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17497 lines
527 KiB
Diff
17497 lines
527 KiB
Diff
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
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---
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arch/mips/cavium-octeon/octeon-platform.c | 105 ++
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arch/mips/include/asm/octeon/cvmx-usbcx-defs.h | 1199 ++++++++++++++++++++++++
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arch/mips/include/asm/octeon/cvmx-usbnx-defs.h | 760 +++++++++++++++
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3 files changed, 2064 insertions(+), 0 deletions(-)
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create mode 100644 arch/mips/include/asm/octeon/cvmx-usbcx-defs.h
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create mode 100644 arch/mips/include/asm/octeon/cvmx-usbnx-defs.h
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diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
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index cfdb4c2..20698a6 100644
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--- a/arch/mips/cavium-octeon/octeon-platform.c
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+++ b/arch/mips/cavium-octeon/octeon-platform.c
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@@ -7,13 +7,19 @@
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* Copyright (C) 2008 Wind River Systems
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*/
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+#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/irq.h>
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+#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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+#include <asm/time.h>
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+
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#include <asm/octeon/octeon.h>
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#include <asm/octeon/cvmx-rnm-defs.h>
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+#include <asm/octeon/cvmx-usbnx-defs.h>
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+#include <asm/octeon/cvmx-usbcx-defs.h>
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static struct octeon_cf_data octeon_cf_data;
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@@ -247,6 +253,105 @@ out:
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}
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device_initcall(octeon_mgmt_device_init);
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+/* Octeon USB. */
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+static int __init octeon_usb_device_init(void)
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+{
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+ int p_rtype_ref_clk = 2;
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+ int number_usb_ports;
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+ int usb_port;
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+ int ret = 0;
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+
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+ if (OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX)) {
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+ number_usb_ports = 0;
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+ } else if (OCTEON_IS_MODEL(OCTEON_CN52XX)) {
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+ number_usb_ports = 2;
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+ /* CN52XX encodes this field differently */
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+ p_rtype_ref_clk = 1;
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+ } else {
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+ number_usb_ports = 1;
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+ }
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+
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+ for (usb_port = 0; usb_port < number_usb_ports; usb_port++) {
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+ int divisor;
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+ union cvmx_usbnx_clk_ctl usbn_clk_ctl;
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+ struct platform_device *pdev;
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+ struct resource usb_resource[2];
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+
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+ /*
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+ * Divide the core clock down such that USB is as
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+ * close as possible to 125Mhz.
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+ */
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+ divisor = DIV_ROUND_UP(mips_hpt_frequency, 125000000);
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+ /* Lower than 4 doesn't seem to work properly */
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+ if (divisor < 4)
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+ divisor = 4;
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+
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+ /* Fetch the value of the Register, and de-assert POR */
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+ usbn_clk_ctl.u64 = cvmx_read_csr(CVMX_USBNX_CLK_CTL(usb_port));
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+ usbn_clk_ctl.s.por = 0;
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+ if (OCTEON_IS_MODEL(OCTEON_CN3XXX)) {
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+ usbn_clk_ctl.cn31xx.p_rclk = 1;
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+ usbn_clk_ctl.cn31xx.p_xenbn = 0;
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+ } else {
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+ if (cvmx_sysinfo_get()->board_type !=
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+ CVMX_BOARD_TYPE_BBGW_REF)
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+ usbn_clk_ctl.cn56xx.p_rtype = p_rtype_ref_clk;
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+ else
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+ usbn_clk_ctl.cn56xx.p_rtype = 0;
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+ }
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+ usbn_clk_ctl.s.divide = divisor;
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+ usbn_clk_ctl.s.divide2 = 0;
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+ cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb_port), usbn_clk_ctl.u64);
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+
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+ /* Wait for POR */
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+ udelay(850);
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+
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+ usbn_clk_ctl.u64 = cvmx_read_csr(CVMX_USBNX_CLK_CTL(usb_port));
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+ usbn_clk_ctl.s.por = 0;
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+ if (OCTEON_IS_MODEL(OCTEON_CN3XXX)) {
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+ usbn_clk_ctl.cn31xx.p_rclk = 1;
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+ usbn_clk_ctl.cn31xx.p_xenbn = 0;
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+ } else {
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+ if (cvmx_sysinfo_get()->board_type !=
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+ CVMX_BOARD_TYPE_BBGW_REF)
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+ usbn_clk_ctl.cn56xx.p_rtype = p_rtype_ref_clk;
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+ else
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+ usbn_clk_ctl.cn56xx.p_rtype = 0;
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+ }
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+ usbn_clk_ctl.s.prst = 1;
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+ cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb_port), usbn_clk_ctl.u64);
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+
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+ udelay(1);
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+
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+ usbn_clk_ctl.s.hrst = 1;
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+ cvmx_write_csr(CVMX_USBNX_CLK_CTL(usb_port), usbn_clk_ctl.u64);
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+ udelay(1);
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+
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+ memset(usb_resource, 0, sizeof(usb_resource));
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+ usb_resource[0].start =
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+ XKPHYS_TO_PHYS(CVMX_USBCX_GOTGCTL(usb_port));
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+ usb_resource[0].end = usb_resource[0].start + 0x10000;
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+ usb_resource[0].flags = IORESOURCE_MEM;
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+
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+ usb_resource[1].start = (usb_port == 0) ?
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+ OCTEON_IRQ_USB0 : OCTEON_IRQ_USB1;
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+ usb_resource[1].end = usb_resource[1].start;
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+ usb_resource[1].flags = IORESOURCE_IRQ;
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+
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+ pdev = platform_device_register_simple("dwc_otg",
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+ usb_port,
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+ usb_resource, 2);
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+ if (!pdev) {
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+ pr_err("dwc_otg: Failed to allocate platform device "
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+ "for USB%d\n", usb_port);
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+ ret = -ENOMEM;
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+ }
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+ }
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+
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+ return ret;
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+}
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+device_initcall(octeon_usb_device_init);
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+
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MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Platform driver for Octeon SOC");
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diff --git a/arch/mips/include/asm/octeon/cvmx-usbcx-defs.h b/arch/mips/include/asm/octeon/cvmx-usbcx-defs.h
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new file mode 100644
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index 0000000..c1e078e
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--- /dev/null
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+++ b/arch/mips/include/asm/octeon/cvmx-usbcx-defs.h
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@@ -0,0 +1,1199 @@
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+/***********************license start***************
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+ * Author: Cavium Networks
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+ *
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+ * Contact: support@caviumnetworks.com
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+ * This file is part of the OCTEON SDK
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+ *
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+ * Copyright (c) 2003-2008 Cavium Networks
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+ *
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+ * This file is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License, Version 2, as
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+ * published by the Free Software Foundation.
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+ *
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+ * This file is distributed in the hope that it will be useful, but
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+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
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+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
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+ * NONINFRINGEMENT. See the GNU General Public License for more
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+ * details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this file; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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+ * or visit http://www.gnu.org/licenses/.
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+ *
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+ * This file may also be available under a different license from Cavium.
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+ * Contact Cavium Networks for more information
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+ ***********************license end**************************************/
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+
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+#ifndef __CVMX_USBCX_DEFS_H__
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+#define __CVMX_USBCX_DEFS_H__
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+
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+#define CVMX_USBCX_DAINT(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000818ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DAINTMSK(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001000081Cull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DCFG(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000800ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DCTL(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000804ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DIEPCTLX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000900ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DIEPINTX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000908ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DIEPMSK(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000810ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DIEPTSIZX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000910ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DOEPCTLX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000B00ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DOEPINTX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000B08ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DOEPMSK(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000814ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DOEPTSIZX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000B10ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DPTXFSIZX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000100ull + (((offset) & 7) * 4) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DSTS(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000808ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DTKNQR1(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000820ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DTKNQR2(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000824ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DTKNQR3(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000830ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_DTKNQR4(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000834ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GAHBCFG(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000008ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GHWCFG1(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000044ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GHWCFG2(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000048ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GHWCFG3(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001000004Cull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GHWCFG4(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000050ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GINTMSK(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000018ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GINTSTS(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000014ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GNPTXFSIZ(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000028ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GNPTXSTS(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001000002Cull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GOTGCTL(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000000ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GOTGINT(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000004ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GRSTCTL(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000010ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GRXFSIZ(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000024ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GRXSTSPD(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010040020ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GRXSTSPH(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000020ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GRXSTSRD(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001004001Cull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GRXSTSRH(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001000001Cull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GSNPSID(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000040ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_GUSBCFG(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001000000Cull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HAINT(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000414ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HAINTMSK(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000418ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HCCHARX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000500ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HCFG(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000400ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HCINTMSKX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F001000050Cull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HCINTX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000508ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HCSPLTX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000504ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HCTSIZX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000510ull + (((offset) & 7) * 32) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HFIR(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000404ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HFNUM(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000408ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HPRT(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000440ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HPTXFSIZ(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000100ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_HPTXSTS(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000410ull + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_NPTXDFIFOX(offset, block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010001000ull + (((offset) & 7) * 4096) + (((block_id) & 1) * 0x100000000000ull))
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+#define CVMX_USBCX_PCGCCTL(block_id) \
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+ CVMX_ADD_IO_SEG(0x00016F0010000E00ull + (((block_id) & 1) * 0x100000000000ull))
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+
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+union cvmx_usbcx_daint {
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+ uint32_t u32;
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+ struct cvmx_usbcx_daint_s {
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+ uint32_t outepint:16;
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+ uint32_t inepint:16;
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+ } s;
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+ struct cvmx_usbcx_daint_s cn30xx;
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+ struct cvmx_usbcx_daint_s cn31xx;
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+ struct cvmx_usbcx_daint_s cn50xx;
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+ struct cvmx_usbcx_daint_s cn52xx;
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+ struct cvmx_usbcx_daint_s cn52xxp1;
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+ struct cvmx_usbcx_daint_s cn56xx;
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+ struct cvmx_usbcx_daint_s cn56xxp1;
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+};
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+
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+union cvmx_usbcx_daintmsk {
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+ uint32_t u32;
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+ struct cvmx_usbcx_daintmsk_s {
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+ uint32_t outepmsk:16;
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+ uint32_t inepmsk:16;
|
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+ } s;
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+ struct cvmx_usbcx_daintmsk_s cn30xx;
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+ struct cvmx_usbcx_daintmsk_s cn31xx;
|
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+ struct cvmx_usbcx_daintmsk_s cn50xx;
|
|
+ struct cvmx_usbcx_daintmsk_s cn52xx;
|
|
+ struct cvmx_usbcx_daintmsk_s cn52xxp1;
|
|
+ struct cvmx_usbcx_daintmsk_s cn56xx;
|
|
+ struct cvmx_usbcx_daintmsk_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dcfg {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dcfg_s {
|
|
+ uint32_t reserved_23_31:9;
|
|
+ uint32_t epmiscnt:5;
|
|
+ uint32_t reserved_13_17:5;
|
|
+ uint32_t perfrint:2;
|
|
+ uint32_t devaddr:7;
|
|
+ uint32_t reserved_3_3:1;
|
|
+ uint32_t nzstsouthshk:1;
|
|
+ uint32_t devspd:2;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dcfg_s cn30xx;
|
|
+ struct cvmx_usbcx_dcfg_s cn31xx;
|
|
+ struct cvmx_usbcx_dcfg_s cn50xx;
|
|
+ struct cvmx_usbcx_dcfg_s cn52xx;
|
|
+ struct cvmx_usbcx_dcfg_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dcfg_s cn56xx;
|
|
+ struct cvmx_usbcx_dcfg_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dctl {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dctl_s {
|
|
+ uint32_t reserved_12_31:20;
|
|
+ uint32_t pwronprgdone:1;
|
|
+ uint32_t cgoutnak:1;
|
|
+ uint32_t sgoutnak:1;
|
|
+ uint32_t cgnpinnak:1;
|
|
+ uint32_t sgnpinnak:1;
|
|
+ uint32_t tstctl:3;
|
|
+ uint32_t goutnaksts:1;
|
|
+ uint32_t gnpinnaksts:1;
|
|
+ uint32_t sftdiscon:1;
|
|
+ uint32_t rmtwkupsig:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dctl_s cn30xx;
|
|
+ struct cvmx_usbcx_dctl_s cn31xx;
|
|
+ struct cvmx_usbcx_dctl_s cn50xx;
|
|
+ struct cvmx_usbcx_dctl_s cn52xx;
|
|
+ struct cvmx_usbcx_dctl_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dctl_s cn56xx;
|
|
+ struct cvmx_usbcx_dctl_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_diepctlx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_diepctlx_s {
|
|
+ uint32_t epena:1;
|
|
+ uint32_t epdis:1;
|
|
+ uint32_t setd1pid:1;
|
|
+ uint32_t setd0pid:1;
|
|
+ uint32_t snak:1;
|
|
+ uint32_t cnak:1;
|
|
+ uint32_t txfnum:4;
|
|
+ uint32_t stall:1;
|
|
+ uint32_t reserved_20_20:1;
|
|
+ uint32_t eptype:2;
|
|
+ uint32_t naksts:1;
|
|
+ uint32_t dpid:1;
|
|
+ uint32_t usbactep:1;
|
|
+ uint32_t nextep:4;
|
|
+ uint32_t mps:11;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_diepctlx_s cn30xx;
|
|
+ struct cvmx_usbcx_diepctlx_s cn31xx;
|
|
+ struct cvmx_usbcx_diepctlx_s cn50xx;
|
|
+ struct cvmx_usbcx_diepctlx_s cn52xx;
|
|
+ struct cvmx_usbcx_diepctlx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_diepctlx_s cn56xx;
|
|
+ struct cvmx_usbcx_diepctlx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_diepintx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_diepintx_s {
|
|
+ uint32_t reserved_7_31:25;
|
|
+ uint32_t inepnakeff:1;
|
|
+ uint32_t intknepmis:1;
|
|
+ uint32_t intkntxfemp:1;
|
|
+ uint32_t timeout:1;
|
|
+ uint32_t ahberr:1;
|
|
+ uint32_t epdisbld:1;
|
|
+ uint32_t xfercompl:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_diepintx_s cn30xx;
|
|
+ struct cvmx_usbcx_diepintx_s cn31xx;
|
|
+ struct cvmx_usbcx_diepintx_s cn50xx;
|
|
+ struct cvmx_usbcx_diepintx_s cn52xx;
|
|
+ struct cvmx_usbcx_diepintx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_diepintx_s cn56xx;
|
|
+ struct cvmx_usbcx_diepintx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_diepmsk {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_diepmsk_s {
|
|
+ uint32_t reserved_7_31:25;
|
|
+ uint32_t inepnakeffmsk:1;
|
|
+ uint32_t intknepmismsk:1;
|
|
+ uint32_t intkntxfempmsk:1;
|
|
+ uint32_t timeoutmsk:1;
|
|
+ uint32_t ahberrmsk:1;
|
|
+ uint32_t epdisbldmsk:1;
|
|
+ uint32_t xfercomplmsk:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_diepmsk_s cn30xx;
|
|
+ struct cvmx_usbcx_diepmsk_s cn31xx;
|
|
+ struct cvmx_usbcx_diepmsk_s cn50xx;
|
|
+ struct cvmx_usbcx_diepmsk_s cn52xx;
|
|
+ struct cvmx_usbcx_diepmsk_s cn52xxp1;
|
|
+ struct cvmx_usbcx_diepmsk_s cn56xx;
|
|
+ struct cvmx_usbcx_diepmsk_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dieptsizx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dieptsizx_s {
|
|
+ uint32_t reserved_31_31:1;
|
|
+ uint32_t mc:2;
|
|
+ uint32_t pktcnt:10;
|
|
+ uint32_t xfersize:19;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn30xx;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn31xx;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn50xx;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn52xx;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn56xx;
|
|
+ struct cvmx_usbcx_dieptsizx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_doepctlx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_doepctlx_s {
|
|
+ uint32_t epena:1;
|
|
+ uint32_t epdis:1;
|
|
+ uint32_t setd1pid:1;
|
|
+ uint32_t setd0pid:1;
|
|
+ uint32_t snak:1;
|
|
+ uint32_t cnak:1;
|
|
+ uint32_t reserved_22_25:4;
|
|
+ uint32_t stall:1;
|
|
+ uint32_t snp:1;
|
|
+ uint32_t eptype:2;
|
|
+ uint32_t naksts:1;
|
|
+ uint32_t dpid:1;
|
|
+ uint32_t usbactep:1;
|
|
+ uint32_t reserved_11_14:4;
|
|
+ uint32_t mps:11;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_doepctlx_s cn30xx;
|
|
+ struct cvmx_usbcx_doepctlx_s cn31xx;
|
|
+ struct cvmx_usbcx_doepctlx_s cn50xx;
|
|
+ struct cvmx_usbcx_doepctlx_s cn52xx;
|
|
+ struct cvmx_usbcx_doepctlx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_doepctlx_s cn56xx;
|
|
+ struct cvmx_usbcx_doepctlx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_doepintx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_doepintx_s {
|
|
+ uint32_t reserved_5_31:27;
|
|
+ uint32_t outtknepdis:1;
|
|
+ uint32_t setup:1;
|
|
+ uint32_t ahberr:1;
|
|
+ uint32_t epdisbld:1;
|
|
+ uint32_t xfercompl:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_doepintx_s cn30xx;
|
|
+ struct cvmx_usbcx_doepintx_s cn31xx;
|
|
+ struct cvmx_usbcx_doepintx_s cn50xx;
|
|
+ struct cvmx_usbcx_doepintx_s cn52xx;
|
|
+ struct cvmx_usbcx_doepintx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_doepintx_s cn56xx;
|
|
+ struct cvmx_usbcx_doepintx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_doepmsk {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_doepmsk_s {
|
|
+ uint32_t reserved_5_31:27;
|
|
+ uint32_t outtknepdismsk:1;
|
|
+ uint32_t setupmsk:1;
|
|
+ uint32_t ahberrmsk:1;
|
|
+ uint32_t epdisbldmsk:1;
|
|
+ uint32_t xfercomplmsk:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_doepmsk_s cn30xx;
|
|
+ struct cvmx_usbcx_doepmsk_s cn31xx;
|
|
+ struct cvmx_usbcx_doepmsk_s cn50xx;
|
|
+ struct cvmx_usbcx_doepmsk_s cn52xx;
|
|
+ struct cvmx_usbcx_doepmsk_s cn52xxp1;
|
|
+ struct cvmx_usbcx_doepmsk_s cn56xx;
|
|
+ struct cvmx_usbcx_doepmsk_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_doeptsizx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_doeptsizx_s {
|
|
+ uint32_t reserved_31_31:1;
|
|
+ uint32_t mc:2;
|
|
+ uint32_t pktcnt:10;
|
|
+ uint32_t xfersize:19;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn30xx;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn31xx;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn50xx;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn52xx;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn56xx;
|
|
+ struct cvmx_usbcx_doeptsizx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dptxfsizx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dptxfsizx_s {
|
|
+ uint32_t dptxfsize:16;
|
|
+ uint32_t dptxfstaddr:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn30xx;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn31xx;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn50xx;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn52xx;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn56xx;
|
|
+ struct cvmx_usbcx_dptxfsizx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dsts {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dsts_s {
|
|
+ uint32_t reserved_22_31:10;
|
|
+ uint32_t soffn:14;
|
|
+ uint32_t reserved_4_7:4;
|
|
+ uint32_t errticerr:1;
|
|
+ uint32_t enumspd:2;
|
|
+ uint32_t suspsts:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dsts_s cn30xx;
|
|
+ struct cvmx_usbcx_dsts_s cn31xx;
|
|
+ struct cvmx_usbcx_dsts_s cn50xx;
|
|
+ struct cvmx_usbcx_dsts_s cn52xx;
|
|
+ struct cvmx_usbcx_dsts_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dsts_s cn56xx;
|
|
+ struct cvmx_usbcx_dsts_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dtknqr1 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dtknqr1_s {
|
|
+ uint32_t eptkn:24;
|
|
+ uint32_t wrapbit:1;
|
|
+ uint32_t reserved_5_6:2;
|
|
+ uint32_t intknwptr:5;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn30xx;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn31xx;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn50xx;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn52xx;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn56xx;
|
|
+ struct cvmx_usbcx_dtknqr1_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dtknqr2 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dtknqr2_s {
|
|
+ uint32_t eptkn:32;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn30xx;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn31xx;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn50xx;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn52xx;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn56xx;
|
|
+ struct cvmx_usbcx_dtknqr2_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dtknqr3 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dtknqr3_s {
|
|
+ uint32_t eptkn:32;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn30xx;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn31xx;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn50xx;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn52xx;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn56xx;
|
|
+ struct cvmx_usbcx_dtknqr3_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_dtknqr4 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_dtknqr4_s {
|
|
+ uint32_t eptkn:32;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn30xx;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn31xx;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn50xx;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn52xx;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn52xxp1;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn56xx;
|
|
+ struct cvmx_usbcx_dtknqr4_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gahbcfg {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gahbcfg_s {
|
|
+ uint32_t reserved_9_31:23;
|
|
+ uint32_t ptxfemplvl:1;
|
|
+ uint32_t nptxfemplvl:1;
|
|
+ uint32_t reserved_6_6:1;
|
|
+ uint32_t dmaen:1;
|
|
+ uint32_t hbstlen:4;
|
|
+ uint32_t glblintrmsk:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn30xx;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn31xx;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn50xx;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn52xx;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn56xx;
|
|
+ struct cvmx_usbcx_gahbcfg_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_ghwcfg1 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_ghwcfg1_s {
|
|
+ uint32_t epdir:32;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn30xx;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn31xx;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn50xx;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn52xx;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn52xxp1;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn56xx;
|
|
+ struct cvmx_usbcx_ghwcfg1_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_ghwcfg2 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_ghwcfg2_s {
|
|
+ uint32_t reserved_31_31:1;
|
|
+ uint32_t tknqdepth:5;
|
|
+ uint32_t ptxqdepth:2;
|
|
+ uint32_t nptxqdepth:2;
|
|
+ uint32_t reserved_20_21:2;
|
|
+ uint32_t dynfifosizing:1;
|
|
+ uint32_t periosupport:1;
|
|
+ uint32_t numhstchnl:4;
|
|
+ uint32_t numdeveps:4;
|
|
+ uint32_t fsphytype:2;
|
|
+ uint32_t hsphytype:2;
|
|
+ uint32_t singpnt:1;
|
|
+ uint32_t otgarch:2;
|
|
+ uint32_t otgmode:3;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn30xx;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn31xx;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn50xx;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn52xx;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn52xxp1;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn56xx;
|
|
+ struct cvmx_usbcx_ghwcfg2_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_ghwcfg3 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_ghwcfg3_s {
|
|
+ uint32_t dfifodepth:16;
|
|
+ uint32_t reserved_13_15:3;
|
|
+ uint32_t ahbphysync:1;
|
|
+ uint32_t rsttype:1;
|
|
+ uint32_t optfeature:1;
|
|
+ uint32_t vendor_control_interface_support:1;
|
|
+ uint32_t i2c_selection:1;
|
|
+ uint32_t otgen:1;
|
|
+ uint32_t pktsizewidth:3;
|
|
+ uint32_t xfersizewidth:4;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn30xx;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn31xx;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn50xx;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn52xx;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn52xxp1;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn56xx;
|
|
+ struct cvmx_usbcx_ghwcfg3_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_ghwcfg4 {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_ghwcfg4_s {
|
|
+ uint32_t reserved_30_31:2;
|
|
+ uint32_t numdevmodinend:4;
|
|
+ uint32_t endedtrfifo:1;
|
|
+ uint32_t sessendfltr:1;
|
|
+ uint32_t bvalidfltr:1;
|
|
+ uint32_t avalidfltr:1;
|
|
+ uint32_t vbusvalidfltr:1;
|
|
+ uint32_t iddgfltr:1;
|
|
+ uint32_t numctleps:4;
|
|
+ uint32_t phydatawidth:2;
|
|
+ uint32_t reserved_6_13:8;
|
|
+ uint32_t ahbfreq:1;
|
|
+ uint32_t enablepwropt:1;
|
|
+ uint32_t numdevperioeps:4;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_ghwcfg4_cn30xx {
|
|
+ uint32_t reserved_25_31:7;
|
|
+ uint32_t sessendfltr:1;
|
|
+ uint32_t bvalidfltr:1;
|
|
+ uint32_t avalidfltr:1;
|
|
+ uint32_t vbusvalidfltr:1;
|
|
+ uint32_t iddgfltr:1;
|
|
+ uint32_t numctleps:4;
|
|
+ uint32_t phydatawidth:2;
|
|
+ uint32_t reserved_6_13:8;
|
|
+ uint32_t ahbfreq:1;
|
|
+ uint32_t enablepwropt:1;
|
|
+ uint32_t numdevperioeps:4;
|
|
+ } cn30xx;
|
|
+ struct cvmx_usbcx_ghwcfg4_cn30xx cn31xx;
|
|
+ struct cvmx_usbcx_ghwcfg4_s cn50xx;
|
|
+ struct cvmx_usbcx_ghwcfg4_s cn52xx;
|
|
+ struct cvmx_usbcx_ghwcfg4_s cn52xxp1;
|
|
+ struct cvmx_usbcx_ghwcfg4_s cn56xx;
|
|
+ struct cvmx_usbcx_ghwcfg4_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gintmsk {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gintmsk_s {
|
|
+ uint32_t wkupintmsk:1;
|
|
+ uint32_t sessreqintmsk:1;
|
|
+ uint32_t disconnintmsk:1;
|
|
+ uint32_t conidstschngmsk:1;
|
|
+ uint32_t reserved_27_27:1;
|
|
+ uint32_t ptxfempmsk:1;
|
|
+ uint32_t hchintmsk:1;
|
|
+ uint32_t prtintmsk:1;
|
|
+ uint32_t reserved_23_23:1;
|
|
+ uint32_t fetsuspmsk:1;
|
|
+ uint32_t incomplpmsk:1;
|
|
+ uint32_t incompisoinmsk:1;
|
|
+ uint32_t oepintmsk:1;
|
|
+ uint32_t inepintmsk:1;
|
|
+ uint32_t epmismsk:1;
|
|
+ uint32_t reserved_16_16:1;
|
|
+ uint32_t eopfmsk:1;
|
|
+ uint32_t isooutdropmsk:1;
|
|
+ uint32_t enumdonemsk:1;
|
|
+ uint32_t usbrstmsk:1;
|
|
+ uint32_t usbsuspmsk:1;
|
|
+ uint32_t erlysuspmsk:1;
|
|
+ uint32_t i2cint:1;
|
|
+ uint32_t ulpickintmsk:1;
|
|
+ uint32_t goutnakeffmsk:1;
|
|
+ uint32_t ginnakeffmsk:1;
|
|
+ uint32_t nptxfempmsk:1;
|
|
+ uint32_t rxflvlmsk:1;
|
|
+ uint32_t sofmsk:1;
|
|
+ uint32_t otgintmsk:1;
|
|
+ uint32_t modemismsk:1;
|
|
+ uint32_t reserved_0_0:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gintmsk_s cn30xx;
|
|
+ struct cvmx_usbcx_gintmsk_s cn31xx;
|
|
+ struct cvmx_usbcx_gintmsk_s cn50xx;
|
|
+ struct cvmx_usbcx_gintmsk_s cn52xx;
|
|
+ struct cvmx_usbcx_gintmsk_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gintmsk_s cn56xx;
|
|
+ struct cvmx_usbcx_gintmsk_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gintsts {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gintsts_s {
|
|
+ uint32_t wkupint:1;
|
|
+ uint32_t sessreqint:1;
|
|
+ uint32_t disconnint:1;
|
|
+ uint32_t conidstschng:1;
|
|
+ uint32_t reserved_27_27:1;
|
|
+ uint32_t ptxfemp:1;
|
|
+ uint32_t hchint:1;
|
|
+ uint32_t prtint:1;
|
|
+ uint32_t reserved_23_23:1;
|
|
+ uint32_t fetsusp:1;
|
|
+ uint32_t incomplp:1;
|
|
+ uint32_t incompisoin:1;
|
|
+ uint32_t oepint:1;
|
|
+ uint32_t iepint:1;
|
|
+ uint32_t epmis:1;
|
|
+ uint32_t reserved_16_16:1;
|
|
+ uint32_t eopf:1;
|
|
+ uint32_t isooutdrop:1;
|
|
+ uint32_t enumdone:1;
|
|
+ uint32_t usbrst:1;
|
|
+ uint32_t usbsusp:1;
|
|
+ uint32_t erlysusp:1;
|
|
+ uint32_t i2cint:1;
|
|
+ uint32_t ulpickint:1;
|
|
+ uint32_t goutnakeff:1;
|
|
+ uint32_t ginnakeff:1;
|
|
+ uint32_t nptxfemp:1;
|
|
+ uint32_t rxflvl:1;
|
|
+ uint32_t sof:1;
|
|
+ uint32_t otgint:1;
|
|
+ uint32_t modemis:1;
|
|
+ uint32_t curmod:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gintsts_s cn30xx;
|
|
+ struct cvmx_usbcx_gintsts_s cn31xx;
|
|
+ struct cvmx_usbcx_gintsts_s cn50xx;
|
|
+ struct cvmx_usbcx_gintsts_s cn52xx;
|
|
+ struct cvmx_usbcx_gintsts_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gintsts_s cn56xx;
|
|
+ struct cvmx_usbcx_gintsts_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gnptxfsiz {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s {
|
|
+ uint32_t nptxfdep:16;
|
|
+ uint32_t nptxfstaddr:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn30xx;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn31xx;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn50xx;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn52xx;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn56xx;
|
|
+ struct cvmx_usbcx_gnptxfsiz_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gnptxsts {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gnptxsts_s {
|
|
+ uint32_t reserved_31_31:1;
|
|
+ uint32_t nptxqtop:7;
|
|
+ uint32_t nptxqspcavail:8;
|
|
+ uint32_t nptxfspcavail:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn30xx;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn31xx;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn50xx;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn52xx;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn56xx;
|
|
+ struct cvmx_usbcx_gnptxsts_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gotgctl {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gotgctl_s {
|
|
+ uint32_t reserved_20_31:12;
|
|
+ uint32_t bsesvld:1;
|
|
+ uint32_t asesvld:1;
|
|
+ uint32_t dbnctime:1;
|
|
+ uint32_t conidsts:1;
|
|
+ uint32_t reserved_12_15:4;
|
|
+ uint32_t devhnpen:1;
|
|
+ uint32_t hstsethnpen:1;
|
|
+ uint32_t hnpreq:1;
|
|
+ uint32_t hstnegscs:1;
|
|
+ uint32_t reserved_2_7:6;
|
|
+ uint32_t sesreq:1;
|
|
+ uint32_t sesreqscs:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gotgctl_s cn30xx;
|
|
+ struct cvmx_usbcx_gotgctl_s cn31xx;
|
|
+ struct cvmx_usbcx_gotgctl_s cn50xx;
|
|
+ struct cvmx_usbcx_gotgctl_s cn52xx;
|
|
+ struct cvmx_usbcx_gotgctl_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gotgctl_s cn56xx;
|
|
+ struct cvmx_usbcx_gotgctl_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gotgint {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gotgint_s {
|
|
+ uint32_t reserved_20_31:12;
|
|
+ uint32_t dbncedone:1;
|
|
+ uint32_t adevtoutchg:1;
|
|
+ uint32_t hstnegdet:1;
|
|
+ uint32_t reserved_10_16:7;
|
|
+ uint32_t hstnegsucstschng:1;
|
|
+ uint32_t sesreqsucstschng:1;
|
|
+ uint32_t reserved_3_7:5;
|
|
+ uint32_t sesenddet:1;
|
|
+ uint32_t reserved_0_1:2;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gotgint_s cn30xx;
|
|
+ struct cvmx_usbcx_gotgint_s cn31xx;
|
|
+ struct cvmx_usbcx_gotgint_s cn50xx;
|
|
+ struct cvmx_usbcx_gotgint_s cn52xx;
|
|
+ struct cvmx_usbcx_gotgint_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gotgint_s cn56xx;
|
|
+ struct cvmx_usbcx_gotgint_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_grstctl {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_grstctl_s {
|
|
+ uint32_t ahbidle:1;
|
|
+ uint32_t dmareq:1;
|
|
+ uint32_t reserved_11_29:19;
|
|
+ uint32_t txfnum:5;
|
|
+ uint32_t txfflsh:1;
|
|
+ uint32_t rxfflsh:1;
|
|
+ uint32_t intknqflsh:1;
|
|
+ uint32_t frmcntrrst:1;
|
|
+ uint32_t hsftrst:1;
|
|
+ uint32_t csftrst:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_grstctl_s cn30xx;
|
|
+ struct cvmx_usbcx_grstctl_s cn31xx;
|
|
+ struct cvmx_usbcx_grstctl_s cn50xx;
|
|
+ struct cvmx_usbcx_grstctl_s cn52xx;
|
|
+ struct cvmx_usbcx_grstctl_s cn52xxp1;
|
|
+ struct cvmx_usbcx_grstctl_s cn56xx;
|
|
+ struct cvmx_usbcx_grstctl_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_grxfsiz {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_grxfsiz_s {
|
|
+ uint32_t reserved_16_31:16;
|
|
+ uint32_t rxfdep:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn30xx;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn31xx;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn50xx;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn52xx;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn52xxp1;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn56xx;
|
|
+ struct cvmx_usbcx_grxfsiz_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_grxstspd {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_grxstspd_s {
|
|
+ uint32_t reserved_25_31:7;
|
|
+ uint32_t fn:4;
|
|
+ uint32_t pktsts:4;
|
|
+ uint32_t dpid:2;
|
|
+ uint32_t bcnt:11;
|
|
+ uint32_t epnum:4;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_grxstspd_s cn30xx;
|
|
+ struct cvmx_usbcx_grxstspd_s cn31xx;
|
|
+ struct cvmx_usbcx_grxstspd_s cn50xx;
|
|
+ struct cvmx_usbcx_grxstspd_s cn52xx;
|
|
+ struct cvmx_usbcx_grxstspd_s cn52xxp1;
|
|
+ struct cvmx_usbcx_grxstspd_s cn56xx;
|
|
+ struct cvmx_usbcx_grxstspd_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_grxstsph {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_grxstsph_s {
|
|
+ uint32_t reserved_21_31:11;
|
|
+ uint32_t pktsts:4;
|
|
+ uint32_t dpid:2;
|
|
+ uint32_t bcnt:11;
|
|
+ uint32_t chnum:4;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_grxstsph_s cn30xx;
|
|
+ struct cvmx_usbcx_grxstsph_s cn31xx;
|
|
+ struct cvmx_usbcx_grxstsph_s cn50xx;
|
|
+ struct cvmx_usbcx_grxstsph_s cn52xx;
|
|
+ struct cvmx_usbcx_grxstsph_s cn52xxp1;
|
|
+ struct cvmx_usbcx_grxstsph_s cn56xx;
|
|
+ struct cvmx_usbcx_grxstsph_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_grxstsrd {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_grxstsrd_s {
|
|
+ uint32_t reserved_25_31:7;
|
|
+ uint32_t fn:4;
|
|
+ uint32_t pktsts:4;
|
|
+ uint32_t dpid:2;
|
|
+ uint32_t bcnt:11;
|
|
+ uint32_t epnum:4;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn30xx;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn31xx;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn50xx;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn52xx;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn52xxp1;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn56xx;
|
|
+ struct cvmx_usbcx_grxstsrd_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_grxstsrh {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_grxstsrh_s {
|
|
+ uint32_t reserved_21_31:11;
|
|
+ uint32_t pktsts:4;
|
|
+ uint32_t dpid:2;
|
|
+ uint32_t bcnt:11;
|
|
+ uint32_t chnum:4;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn30xx;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn31xx;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn50xx;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn52xx;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn52xxp1;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn56xx;
|
|
+ struct cvmx_usbcx_grxstsrh_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gsnpsid {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gsnpsid_s {
|
|
+ uint32_t synopsysid:32;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn30xx;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn31xx;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn50xx;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn52xx;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn56xx;
|
|
+ struct cvmx_usbcx_gsnpsid_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_gusbcfg {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_gusbcfg_s {
|
|
+ uint32_t reserved_17_31:15;
|
|
+ uint32_t otgi2csel:1;
|
|
+ uint32_t phylpwrclksel:1;
|
|
+ uint32_t reserved_14_14:1;
|
|
+ uint32_t usbtrdtim:4;
|
|
+ uint32_t hnpcap:1;
|
|
+ uint32_t srpcap:1;
|
|
+ uint32_t ddrsel:1;
|
|
+ uint32_t physel:1;
|
|
+ uint32_t fsintf:1;
|
|
+ uint32_t ulpi_utmi_sel:1;
|
|
+ uint32_t phyif:1;
|
|
+ uint32_t toutcal:3;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn30xx;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn31xx;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn50xx;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn52xx;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn52xxp1;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn56xx;
|
|
+ struct cvmx_usbcx_gusbcfg_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_haint {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_haint_s {
|
|
+ uint32_t reserved_16_31:16;
|
|
+ uint32_t haint:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_haint_s cn30xx;
|
|
+ struct cvmx_usbcx_haint_s cn31xx;
|
|
+ struct cvmx_usbcx_haint_s cn50xx;
|
|
+ struct cvmx_usbcx_haint_s cn52xx;
|
|
+ struct cvmx_usbcx_haint_s cn52xxp1;
|
|
+ struct cvmx_usbcx_haint_s cn56xx;
|
|
+ struct cvmx_usbcx_haint_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_haintmsk {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_haintmsk_s {
|
|
+ uint32_t reserved_16_31:16;
|
|
+ uint32_t haintmsk:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_haintmsk_s cn30xx;
|
|
+ struct cvmx_usbcx_haintmsk_s cn31xx;
|
|
+ struct cvmx_usbcx_haintmsk_s cn50xx;
|
|
+ struct cvmx_usbcx_haintmsk_s cn52xx;
|
|
+ struct cvmx_usbcx_haintmsk_s cn52xxp1;
|
|
+ struct cvmx_usbcx_haintmsk_s cn56xx;
|
|
+ struct cvmx_usbcx_haintmsk_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hccharx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hccharx_s {
|
|
+ uint32_t chena:1;
|
|
+ uint32_t chdis:1;
|
|
+ uint32_t oddfrm:1;
|
|
+ uint32_t devaddr:7;
|
|
+ uint32_t ec:2;
|
|
+ uint32_t eptype:2;
|
|
+ uint32_t lspddev:1;
|
|
+ uint32_t reserved_16_16:1;
|
|
+ uint32_t epdir:1;
|
|
+ uint32_t epnum:4;
|
|
+ uint32_t mps:11;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hccharx_s cn30xx;
|
|
+ struct cvmx_usbcx_hccharx_s cn31xx;
|
|
+ struct cvmx_usbcx_hccharx_s cn50xx;
|
|
+ struct cvmx_usbcx_hccharx_s cn52xx;
|
|
+ struct cvmx_usbcx_hccharx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hccharx_s cn56xx;
|
|
+ struct cvmx_usbcx_hccharx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hcfg {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hcfg_s {
|
|
+ uint32_t reserved_3_31:29;
|
|
+ uint32_t fslssupp:1;
|
|
+ uint32_t fslspclksel:2;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hcfg_s cn30xx;
|
|
+ struct cvmx_usbcx_hcfg_s cn31xx;
|
|
+ struct cvmx_usbcx_hcfg_s cn50xx;
|
|
+ struct cvmx_usbcx_hcfg_s cn52xx;
|
|
+ struct cvmx_usbcx_hcfg_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hcfg_s cn56xx;
|
|
+ struct cvmx_usbcx_hcfg_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hcintx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hcintx_s {
|
|
+ uint32_t reserved_11_31:21;
|
|
+ uint32_t datatglerr:1;
|
|
+ uint32_t frmovrun:1;
|
|
+ uint32_t bblerr:1;
|
|
+ uint32_t xacterr:1;
|
|
+ uint32_t nyet:1;
|
|
+ uint32_t ack:1;
|
|
+ uint32_t nak:1;
|
|
+ uint32_t stall:1;
|
|
+ uint32_t ahberr:1;
|
|
+ uint32_t chhltd:1;
|
|
+ uint32_t xfercompl:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hcintx_s cn30xx;
|
|
+ struct cvmx_usbcx_hcintx_s cn31xx;
|
|
+ struct cvmx_usbcx_hcintx_s cn50xx;
|
|
+ struct cvmx_usbcx_hcintx_s cn52xx;
|
|
+ struct cvmx_usbcx_hcintx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hcintx_s cn56xx;
|
|
+ struct cvmx_usbcx_hcintx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hcintmskx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hcintmskx_s {
|
|
+ uint32_t reserved_11_31:21;
|
|
+ uint32_t datatglerrmsk:1;
|
|
+ uint32_t frmovrunmsk:1;
|
|
+ uint32_t bblerrmsk:1;
|
|
+ uint32_t xacterrmsk:1;
|
|
+ uint32_t nyetmsk:1;
|
|
+ uint32_t ackmsk:1;
|
|
+ uint32_t nakmsk:1;
|
|
+ uint32_t stallmsk:1;
|
|
+ uint32_t ahberrmsk:1;
|
|
+ uint32_t chhltdmsk:1;
|
|
+ uint32_t xfercomplmsk:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn30xx;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn31xx;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn50xx;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn52xx;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn56xx;
|
|
+ struct cvmx_usbcx_hcintmskx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hcspltx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hcspltx_s {
|
|
+ uint32_t spltena:1;
|
|
+ uint32_t reserved_17_30:14;
|
|
+ uint32_t compsplt:1;
|
|
+ uint32_t xactpos:2;
|
|
+ uint32_t hubaddr:7;
|
|
+ uint32_t prtaddr:7;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hcspltx_s cn30xx;
|
|
+ struct cvmx_usbcx_hcspltx_s cn31xx;
|
|
+ struct cvmx_usbcx_hcspltx_s cn50xx;
|
|
+ struct cvmx_usbcx_hcspltx_s cn52xx;
|
|
+ struct cvmx_usbcx_hcspltx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hcspltx_s cn56xx;
|
|
+ struct cvmx_usbcx_hcspltx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hctsizx {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hctsizx_s {
|
|
+ uint32_t dopng:1;
|
|
+ uint32_t pid:2;
|
|
+ uint32_t pktcnt:10;
|
|
+ uint32_t xfersize:19;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hctsizx_s cn30xx;
|
|
+ struct cvmx_usbcx_hctsizx_s cn31xx;
|
|
+ struct cvmx_usbcx_hctsizx_s cn50xx;
|
|
+ struct cvmx_usbcx_hctsizx_s cn52xx;
|
|
+ struct cvmx_usbcx_hctsizx_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hctsizx_s cn56xx;
|
|
+ struct cvmx_usbcx_hctsizx_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hfir {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hfir_s {
|
|
+ uint32_t reserved_16_31:16;
|
|
+ uint32_t frint:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hfir_s cn30xx;
|
|
+ struct cvmx_usbcx_hfir_s cn31xx;
|
|
+ struct cvmx_usbcx_hfir_s cn50xx;
|
|
+ struct cvmx_usbcx_hfir_s cn52xx;
|
|
+ struct cvmx_usbcx_hfir_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hfir_s cn56xx;
|
|
+ struct cvmx_usbcx_hfir_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hfnum {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hfnum_s {
|
|
+ uint32_t frrem:16;
|
|
+ uint32_t frnum:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hfnum_s cn30xx;
|
|
+ struct cvmx_usbcx_hfnum_s cn31xx;
|
|
+ struct cvmx_usbcx_hfnum_s cn50xx;
|
|
+ struct cvmx_usbcx_hfnum_s cn52xx;
|
|
+ struct cvmx_usbcx_hfnum_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hfnum_s cn56xx;
|
|
+ struct cvmx_usbcx_hfnum_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hprt {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hprt_s {
|
|
+ uint32_t reserved_19_31:13;
|
|
+ uint32_t prtspd:2;
|
|
+ uint32_t prttstctl:4;
|
|
+ uint32_t prtpwr:1;
|
|
+ uint32_t prtlnsts:2;
|
|
+ uint32_t reserved_9_9:1;
|
|
+ uint32_t prtrst:1;
|
|
+ uint32_t prtsusp:1;
|
|
+ uint32_t prtres:1;
|
|
+ uint32_t prtovrcurrchng:1;
|
|
+ uint32_t prtovrcurract:1;
|
|
+ uint32_t prtenchng:1;
|
|
+ uint32_t prtena:1;
|
|
+ uint32_t prtconndet:1;
|
|
+ uint32_t prtconnsts:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hprt_s cn30xx;
|
|
+ struct cvmx_usbcx_hprt_s cn31xx;
|
|
+ struct cvmx_usbcx_hprt_s cn50xx;
|
|
+ struct cvmx_usbcx_hprt_s cn52xx;
|
|
+ struct cvmx_usbcx_hprt_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hprt_s cn56xx;
|
|
+ struct cvmx_usbcx_hprt_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hptxfsiz {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hptxfsiz_s {
|
|
+ uint32_t ptxfsize:16;
|
|
+ uint32_t ptxfstaddr:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn30xx;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn31xx;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn50xx;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn52xx;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn56xx;
|
|
+ struct cvmx_usbcx_hptxfsiz_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_hptxsts {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_hptxsts_s {
|
|
+ uint32_t ptxqtop:8;
|
|
+ uint32_t ptxqspcavail:8;
|
|
+ uint32_t ptxfspcavail:16;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_hptxsts_s cn30xx;
|
|
+ struct cvmx_usbcx_hptxsts_s cn31xx;
|
|
+ struct cvmx_usbcx_hptxsts_s cn50xx;
|
|
+ struct cvmx_usbcx_hptxsts_s cn52xx;
|
|
+ struct cvmx_usbcx_hptxsts_s cn52xxp1;
|
|
+ struct cvmx_usbcx_hptxsts_s cn56xx;
|
|
+ struct cvmx_usbcx_hptxsts_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_nptxdfifox {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_nptxdfifox_s {
|
|
+ uint32_t data:32;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn30xx;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn31xx;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn50xx;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn52xx;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn52xxp1;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn56xx;
|
|
+ struct cvmx_usbcx_nptxdfifox_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbcx_pcgcctl {
|
|
+ uint32_t u32;
|
|
+ struct cvmx_usbcx_pcgcctl_s {
|
|
+ uint32_t reserved_5_31:27;
|
|
+ uint32_t physuspended:1;
|
|
+ uint32_t rstpdwnmodule:1;
|
|
+ uint32_t pwrclmp:1;
|
|
+ uint32_t gatehclk:1;
|
|
+ uint32_t stoppclk:1;
|
|
+ } s;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn30xx;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn31xx;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn50xx;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn52xx;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn52xxp1;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn56xx;
|
|
+ struct cvmx_usbcx_pcgcctl_s cn56xxp1;
|
|
+};
|
|
+
|
|
+#endif
|
|
diff --git a/arch/mips/include/asm/octeon/cvmx-usbnx-defs.h b/arch/mips/include/asm/octeon/cvmx-usbnx-defs.h
|
|
new file mode 100644
|
|
index 0000000..90be974
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/octeon/cvmx-usbnx-defs.h
|
|
@@ -0,0 +1,760 @@
|
|
+/***********************license start***************
|
|
+ * Author: Cavium Networks
|
|
+ *
|
|
+ * Contact: support@caviumnetworks.com
|
|
+ * This file is part of the OCTEON SDK
|
|
+ *
|
|
+ * Copyright (c) 2003-2008 Cavium Networks
|
|
+ *
|
|
+ * This file is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License, Version 2, as
|
|
+ * published by the Free Software Foundation.
|
|
+ *
|
|
+ * This file is distributed in the hope that it will be useful, but
|
|
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
|
|
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
|
|
+ * NONINFRINGEMENT. See the GNU General Public License for more
|
|
+ * details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this file; if not, write to the Free Software
|
|
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
+ * or visit http://www.gnu.org/licenses/.
|
|
+ *
|
|
+ * This file may also be available under a different license from Cavium.
|
|
+ * Contact Cavium Networks for more information
|
|
+ ***********************license end**************************************/
|
|
+
|
|
+#ifndef __CVMX_USBNX_DEFS_H__
|
|
+#define __CVMX_USBNX_DEFS_H__
|
|
+
|
|
+#define CVMX_USBNX_BIST_STATUS(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00011800680007F8ull + (((block_id) & 1) * 0x10000000ull))
|
|
+#define CVMX_USBNX_CLK_CTL(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x0001180068000010ull + (((block_id) & 1) * 0x10000000ull))
|
|
+#define CVMX_USBNX_CTL_STATUS(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000800ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN0(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000818ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN1(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000820ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN2(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000828ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN3(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000830ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN4(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000838ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN5(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000840ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN6(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000848ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_INB_CHN7(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000850ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN0(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000858ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN1(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000860ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN2(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000868ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN3(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000870ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN4(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000878ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN5(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000880ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN6(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000888ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA0_OUTB_CHN7(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000890ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_DMA_TEST(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x00016F0000000808ull + (((block_id) & 1) * 0x100000000000ull))
|
|
+#define CVMX_USBNX_INT_ENB(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x0001180068000008ull + (((block_id) & 1) * 0x10000000ull))
|
|
+#define CVMX_USBNX_INT_SUM(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x0001180068000000ull + (((block_id) & 1) * 0x10000000ull))
|
|
+#define CVMX_USBNX_USBP_CTL_STATUS(block_id) \
|
|
+ CVMX_ADD_IO_SEG(0x0001180068000018ull + (((block_id) & 1) * 0x10000000ull))
|
|
+
|
|
+union cvmx_usbnx_bist_status {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_bist_status_s {
|
|
+ uint64_t reserved_7_63:57;
|
|
+ uint64_t u2nc_bis:1;
|
|
+ uint64_t u2nf_bis:1;
|
|
+ uint64_t e2hc_bis:1;
|
|
+ uint64_t n2uf_bis:1;
|
|
+ uint64_t usbc_bis:1;
|
|
+ uint64_t nif_bis:1;
|
|
+ uint64_t nof_bis:1;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_bist_status_cn30xx {
|
|
+ uint64_t reserved_3_63:61;
|
|
+ uint64_t usbc_bis:1;
|
|
+ uint64_t nif_bis:1;
|
|
+ uint64_t nof_bis:1;
|
|
+ } cn30xx;
|
|
+ struct cvmx_usbnx_bist_status_cn30xx cn31xx;
|
|
+ struct cvmx_usbnx_bist_status_s cn50xx;
|
|
+ struct cvmx_usbnx_bist_status_s cn52xx;
|
|
+ struct cvmx_usbnx_bist_status_s cn52xxp1;
|
|
+ struct cvmx_usbnx_bist_status_s cn56xx;
|
|
+ struct cvmx_usbnx_bist_status_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_clk_ctl {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_clk_ctl_s {
|
|
+ uint64_t reserved_20_63:44;
|
|
+ uint64_t divide2:2;
|
|
+ uint64_t hclk_rst:1;
|
|
+ uint64_t p_x_on:1;
|
|
+ uint64_t reserved_14_15:2;
|
|
+ uint64_t p_com_on:1;
|
|
+ uint64_t p_c_sel:2;
|
|
+ uint64_t cdiv_byp:1;
|
|
+ uint64_t sd_mode:2;
|
|
+ uint64_t s_bist:1;
|
|
+ uint64_t por:1;
|
|
+ uint64_t enable:1;
|
|
+ uint64_t prst:1;
|
|
+ uint64_t hrst:1;
|
|
+ uint64_t divide:3;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_clk_ctl_cn30xx {
|
|
+ uint64_t reserved_18_63:46;
|
|
+ uint64_t hclk_rst:1;
|
|
+ uint64_t p_x_on:1;
|
|
+ uint64_t p_rclk:1;
|
|
+ uint64_t p_xenbn:1;
|
|
+ uint64_t p_com_on:1;
|
|
+ uint64_t p_c_sel:2;
|
|
+ uint64_t cdiv_byp:1;
|
|
+ uint64_t sd_mode:2;
|
|
+ uint64_t s_bist:1;
|
|
+ uint64_t por:1;
|
|
+ uint64_t enable:1;
|
|
+ uint64_t prst:1;
|
|
+ uint64_t hrst:1;
|
|
+ uint64_t divide:3;
|
|
+ } cn30xx;
|
|
+ struct cvmx_usbnx_clk_ctl_cn30xx cn31xx;
|
|
+ struct cvmx_usbnx_clk_ctl_cn50xx {
|
|
+ uint64_t reserved_20_63:44;
|
|
+ uint64_t divide2:2;
|
|
+ uint64_t hclk_rst:1;
|
|
+ uint64_t reserved_16_16:1;
|
|
+ uint64_t p_rtype:2;
|
|
+ uint64_t p_com_on:1;
|
|
+ uint64_t p_c_sel:2;
|
|
+ uint64_t cdiv_byp:1;
|
|
+ uint64_t sd_mode:2;
|
|
+ uint64_t s_bist:1;
|
|
+ uint64_t por:1;
|
|
+ uint64_t enable:1;
|
|
+ uint64_t prst:1;
|
|
+ uint64_t hrst:1;
|
|
+ uint64_t divide:3;
|
|
+ } cn50xx;
|
|
+ struct cvmx_usbnx_clk_ctl_cn50xx cn52xx;
|
|
+ struct cvmx_usbnx_clk_ctl_cn50xx cn52xxp1;
|
|
+ struct cvmx_usbnx_clk_ctl_cn50xx cn56xx;
|
|
+ struct cvmx_usbnx_clk_ctl_cn50xx cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_ctl_status {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_ctl_status_s {
|
|
+ uint64_t reserved_6_63:58;
|
|
+ uint64_t dma_0pag:1;
|
|
+ uint64_t dma_stt:1;
|
|
+ uint64_t dma_test:1;
|
|
+ uint64_t inv_a2:1;
|
|
+ uint64_t l2c_emod:2;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_ctl_status_s cn30xx;
|
|
+ struct cvmx_usbnx_ctl_status_s cn31xx;
|
|
+ struct cvmx_usbnx_ctl_status_s cn50xx;
|
|
+ struct cvmx_usbnx_ctl_status_s cn52xx;
|
|
+ struct cvmx_usbnx_ctl_status_s cn52xxp1;
|
|
+ struct cvmx_usbnx_ctl_status_s cn56xx;
|
|
+ struct cvmx_usbnx_ctl_status_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn0 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn0_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn1 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn1_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn2 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn2_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn3 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn3_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn4 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn4_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn5 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn5_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn6 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn6_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_inb_chn7 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_inb_chn7_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn0 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn0_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn1 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn1_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn2 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn2_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn3 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn3_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn4 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn4_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn5 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn5_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn6 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn6_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma0_outb_chn7 {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s {
|
|
+ uint64_t reserved_36_63:28;
|
|
+ uint64_t addr:36;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn30xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn31xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn50xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn52xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn56xx;
|
|
+ struct cvmx_usbnx_dma0_outb_chn7_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_dma_test {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_dma_test_s {
|
|
+ uint64_t reserved_40_63:24;
|
|
+ uint64_t done:1;
|
|
+ uint64_t req:1;
|
|
+ uint64_t f_addr:18;
|
|
+ uint64_t count:11;
|
|
+ uint64_t channel:5;
|
|
+ uint64_t burst:4;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_dma_test_s cn30xx;
|
|
+ struct cvmx_usbnx_dma_test_s cn31xx;
|
|
+ struct cvmx_usbnx_dma_test_s cn50xx;
|
|
+ struct cvmx_usbnx_dma_test_s cn52xx;
|
|
+ struct cvmx_usbnx_dma_test_s cn52xxp1;
|
|
+ struct cvmx_usbnx_dma_test_s cn56xx;
|
|
+ struct cvmx_usbnx_dma_test_s cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_int_enb {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_int_enb_s {
|
|
+ uint64_t reserved_38_63:26;
|
|
+ uint64_t nd4o_dpf:1;
|
|
+ uint64_t nd4o_dpe:1;
|
|
+ uint64_t nd4o_rpf:1;
|
|
+ uint64_t nd4o_rpe:1;
|
|
+ uint64_t ltl_f_pf:1;
|
|
+ uint64_t ltl_f_pe:1;
|
|
+ uint64_t u2n_c_pe:1;
|
|
+ uint64_t u2n_c_pf:1;
|
|
+ uint64_t u2n_d_pf:1;
|
|
+ uint64_t u2n_d_pe:1;
|
|
+ uint64_t n2u_pe:1;
|
|
+ uint64_t n2u_pf:1;
|
|
+ uint64_t uod_pf:1;
|
|
+ uint64_t uod_pe:1;
|
|
+ uint64_t rq_q3_e:1;
|
|
+ uint64_t rq_q3_f:1;
|
|
+ uint64_t rq_q2_e:1;
|
|
+ uint64_t rq_q2_f:1;
|
|
+ uint64_t rg_fi_f:1;
|
|
+ uint64_t rg_fi_e:1;
|
|
+ uint64_t l2_fi_f:1;
|
|
+ uint64_t l2_fi_e:1;
|
|
+ uint64_t l2c_a_f:1;
|
|
+ uint64_t l2c_s_e:1;
|
|
+ uint64_t dcred_f:1;
|
|
+ uint64_t dcred_e:1;
|
|
+ uint64_t lt_pu_f:1;
|
|
+ uint64_t lt_po_e:1;
|
|
+ uint64_t nt_pu_f:1;
|
|
+ uint64_t nt_po_e:1;
|
|
+ uint64_t pt_pu_f:1;
|
|
+ uint64_t pt_po_e:1;
|
|
+ uint64_t lr_pu_f:1;
|
|
+ uint64_t lr_po_e:1;
|
|
+ uint64_t nr_pu_f:1;
|
|
+ uint64_t nr_po_e:1;
|
|
+ uint64_t pr_pu_f:1;
|
|
+ uint64_t pr_po_e:1;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_int_enb_s cn30xx;
|
|
+ struct cvmx_usbnx_int_enb_s cn31xx;
|
|
+ struct cvmx_usbnx_int_enb_cn50xx {
|
|
+ uint64_t reserved_38_63:26;
|
|
+ uint64_t nd4o_dpf:1;
|
|
+ uint64_t nd4o_dpe:1;
|
|
+ uint64_t nd4o_rpf:1;
|
|
+ uint64_t nd4o_rpe:1;
|
|
+ uint64_t ltl_f_pf:1;
|
|
+ uint64_t ltl_f_pe:1;
|
|
+ uint64_t reserved_26_31:6;
|
|
+ uint64_t uod_pf:1;
|
|
+ uint64_t uod_pe:1;
|
|
+ uint64_t rq_q3_e:1;
|
|
+ uint64_t rq_q3_f:1;
|
|
+ uint64_t rq_q2_e:1;
|
|
+ uint64_t rq_q2_f:1;
|
|
+ uint64_t rg_fi_f:1;
|
|
+ uint64_t rg_fi_e:1;
|
|
+ uint64_t l2_fi_f:1;
|
|
+ uint64_t l2_fi_e:1;
|
|
+ uint64_t l2c_a_f:1;
|
|
+ uint64_t l2c_s_e:1;
|
|
+ uint64_t dcred_f:1;
|
|
+ uint64_t dcred_e:1;
|
|
+ uint64_t lt_pu_f:1;
|
|
+ uint64_t lt_po_e:1;
|
|
+ uint64_t nt_pu_f:1;
|
|
+ uint64_t nt_po_e:1;
|
|
+ uint64_t pt_pu_f:1;
|
|
+ uint64_t pt_po_e:1;
|
|
+ uint64_t lr_pu_f:1;
|
|
+ uint64_t lr_po_e:1;
|
|
+ uint64_t nr_pu_f:1;
|
|
+ uint64_t nr_po_e:1;
|
|
+ uint64_t pr_pu_f:1;
|
|
+ uint64_t pr_po_e:1;
|
|
+ } cn50xx;
|
|
+ struct cvmx_usbnx_int_enb_cn50xx cn52xx;
|
|
+ struct cvmx_usbnx_int_enb_cn50xx cn52xxp1;
|
|
+ struct cvmx_usbnx_int_enb_cn50xx cn56xx;
|
|
+ struct cvmx_usbnx_int_enb_cn50xx cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_int_sum {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_int_sum_s {
|
|
+ uint64_t reserved_38_63:26;
|
|
+ uint64_t nd4o_dpf:1;
|
|
+ uint64_t nd4o_dpe:1;
|
|
+ uint64_t nd4o_rpf:1;
|
|
+ uint64_t nd4o_rpe:1;
|
|
+ uint64_t ltl_f_pf:1;
|
|
+ uint64_t ltl_f_pe:1;
|
|
+ uint64_t u2n_c_pe:1;
|
|
+ uint64_t u2n_c_pf:1;
|
|
+ uint64_t u2n_d_pf:1;
|
|
+ uint64_t u2n_d_pe:1;
|
|
+ uint64_t n2u_pe:1;
|
|
+ uint64_t n2u_pf:1;
|
|
+ uint64_t uod_pf:1;
|
|
+ uint64_t uod_pe:1;
|
|
+ uint64_t rq_q3_e:1;
|
|
+ uint64_t rq_q3_f:1;
|
|
+ uint64_t rq_q2_e:1;
|
|
+ uint64_t rq_q2_f:1;
|
|
+ uint64_t rg_fi_f:1;
|
|
+ uint64_t rg_fi_e:1;
|
|
+ uint64_t lt_fi_f:1;
|
|
+ uint64_t lt_fi_e:1;
|
|
+ uint64_t l2c_a_f:1;
|
|
+ uint64_t l2c_s_e:1;
|
|
+ uint64_t dcred_f:1;
|
|
+ uint64_t dcred_e:1;
|
|
+ uint64_t lt_pu_f:1;
|
|
+ uint64_t lt_po_e:1;
|
|
+ uint64_t nt_pu_f:1;
|
|
+ uint64_t nt_po_e:1;
|
|
+ uint64_t pt_pu_f:1;
|
|
+ uint64_t pt_po_e:1;
|
|
+ uint64_t lr_pu_f:1;
|
|
+ uint64_t lr_po_e:1;
|
|
+ uint64_t nr_pu_f:1;
|
|
+ uint64_t nr_po_e:1;
|
|
+ uint64_t pr_pu_f:1;
|
|
+ uint64_t pr_po_e:1;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_int_sum_s cn30xx;
|
|
+ struct cvmx_usbnx_int_sum_s cn31xx;
|
|
+ struct cvmx_usbnx_int_sum_cn50xx {
|
|
+ uint64_t reserved_38_63:26;
|
|
+ uint64_t nd4o_dpf:1;
|
|
+ uint64_t nd4o_dpe:1;
|
|
+ uint64_t nd4o_rpf:1;
|
|
+ uint64_t nd4o_rpe:1;
|
|
+ uint64_t ltl_f_pf:1;
|
|
+ uint64_t ltl_f_pe:1;
|
|
+ uint64_t reserved_26_31:6;
|
|
+ uint64_t uod_pf:1;
|
|
+ uint64_t uod_pe:1;
|
|
+ uint64_t rq_q3_e:1;
|
|
+ uint64_t rq_q3_f:1;
|
|
+ uint64_t rq_q2_e:1;
|
|
+ uint64_t rq_q2_f:1;
|
|
+ uint64_t rg_fi_f:1;
|
|
+ uint64_t rg_fi_e:1;
|
|
+ uint64_t lt_fi_f:1;
|
|
+ uint64_t lt_fi_e:1;
|
|
+ uint64_t l2c_a_f:1;
|
|
+ uint64_t l2c_s_e:1;
|
|
+ uint64_t dcred_f:1;
|
|
+ uint64_t dcred_e:1;
|
|
+ uint64_t lt_pu_f:1;
|
|
+ uint64_t lt_po_e:1;
|
|
+ uint64_t nt_pu_f:1;
|
|
+ uint64_t nt_po_e:1;
|
|
+ uint64_t pt_pu_f:1;
|
|
+ uint64_t pt_po_e:1;
|
|
+ uint64_t lr_pu_f:1;
|
|
+ uint64_t lr_po_e:1;
|
|
+ uint64_t nr_pu_f:1;
|
|
+ uint64_t nr_po_e:1;
|
|
+ uint64_t pr_pu_f:1;
|
|
+ uint64_t pr_po_e:1;
|
|
+ } cn50xx;
|
|
+ struct cvmx_usbnx_int_sum_cn50xx cn52xx;
|
|
+ struct cvmx_usbnx_int_sum_cn50xx cn52xxp1;
|
|
+ struct cvmx_usbnx_int_sum_cn50xx cn56xx;
|
|
+ struct cvmx_usbnx_int_sum_cn50xx cn56xxp1;
|
|
+};
|
|
+
|
|
+union cvmx_usbnx_usbp_ctl_status {
|
|
+ uint64_t u64;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_s {
|
|
+ uint64_t txrisetune:1;
|
|
+ uint64_t txvreftune:4;
|
|
+ uint64_t txfslstune:4;
|
|
+ uint64_t txhsxvtune:2;
|
|
+ uint64_t sqrxtune:3;
|
|
+ uint64_t compdistune:3;
|
|
+ uint64_t otgtune:3;
|
|
+ uint64_t otgdisable:1;
|
|
+ uint64_t portreset:1;
|
|
+ uint64_t drvvbus:1;
|
|
+ uint64_t lsbist:1;
|
|
+ uint64_t fsbist:1;
|
|
+ uint64_t hsbist:1;
|
|
+ uint64_t bist_done:1;
|
|
+ uint64_t bist_err:1;
|
|
+ uint64_t tdata_out:4;
|
|
+ uint64_t siddq:1;
|
|
+ uint64_t txpreemphasistune:1;
|
|
+ uint64_t dma_bmode:1;
|
|
+ uint64_t usbc_end:1;
|
|
+ uint64_t usbp_bist:1;
|
|
+ uint64_t tclk:1;
|
|
+ uint64_t dp_pulld:1;
|
|
+ uint64_t dm_pulld:1;
|
|
+ uint64_t hst_mode:1;
|
|
+ uint64_t tuning:4;
|
|
+ uint64_t tx_bs_enh:1;
|
|
+ uint64_t tx_bs_en:1;
|
|
+ uint64_t loop_enb:1;
|
|
+ uint64_t vtest_enb:1;
|
|
+ uint64_t bist_enb:1;
|
|
+ uint64_t tdata_sel:1;
|
|
+ uint64_t taddr_in:4;
|
|
+ uint64_t tdata_in:8;
|
|
+ uint64_t ate_reset:1;
|
|
+ } s;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn30xx {
|
|
+ uint64_t reserved_38_63:26;
|
|
+ uint64_t bist_done:1;
|
|
+ uint64_t bist_err:1;
|
|
+ uint64_t tdata_out:4;
|
|
+ uint64_t reserved_30_31:2;
|
|
+ uint64_t dma_bmode:1;
|
|
+ uint64_t usbc_end:1;
|
|
+ uint64_t usbp_bist:1;
|
|
+ uint64_t tclk:1;
|
|
+ uint64_t dp_pulld:1;
|
|
+ uint64_t dm_pulld:1;
|
|
+ uint64_t hst_mode:1;
|
|
+ uint64_t tuning:4;
|
|
+ uint64_t tx_bs_enh:1;
|
|
+ uint64_t tx_bs_en:1;
|
|
+ uint64_t loop_enb:1;
|
|
+ uint64_t vtest_enb:1;
|
|
+ uint64_t bist_enb:1;
|
|
+ uint64_t tdata_sel:1;
|
|
+ uint64_t taddr_in:4;
|
|
+ uint64_t tdata_in:8;
|
|
+ uint64_t ate_reset:1;
|
|
+ } cn30xx;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn30xx cn31xx;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn50xx {
|
|
+ uint64_t txrisetune:1;
|
|
+ uint64_t txvreftune:4;
|
|
+ uint64_t txfslstune:4;
|
|
+ uint64_t txhsxvtune:2;
|
|
+ uint64_t sqrxtune:3;
|
|
+ uint64_t compdistune:3;
|
|
+ uint64_t otgtune:3;
|
|
+ uint64_t otgdisable:1;
|
|
+ uint64_t portreset:1;
|
|
+ uint64_t drvvbus:1;
|
|
+ uint64_t lsbist:1;
|
|
+ uint64_t fsbist:1;
|
|
+ uint64_t hsbist:1;
|
|
+ uint64_t bist_done:1;
|
|
+ uint64_t bist_err:1;
|
|
+ uint64_t tdata_out:4;
|
|
+ uint64_t reserved_31_31:1;
|
|
+ uint64_t txpreemphasistune:1;
|
|
+ uint64_t dma_bmode:1;
|
|
+ uint64_t usbc_end:1;
|
|
+ uint64_t usbp_bist:1;
|
|
+ uint64_t tclk:1;
|
|
+ uint64_t dp_pulld:1;
|
|
+ uint64_t dm_pulld:1;
|
|
+ uint64_t hst_mode:1;
|
|
+ uint64_t reserved_19_22:4;
|
|
+ uint64_t tx_bs_enh:1;
|
|
+ uint64_t tx_bs_en:1;
|
|
+ uint64_t loop_enb:1;
|
|
+ uint64_t vtest_enb:1;
|
|
+ uint64_t bist_enb:1;
|
|
+ uint64_t tdata_sel:1;
|
|
+ uint64_t taddr_in:4;
|
|
+ uint64_t tdata_in:8;
|
|
+ uint64_t ate_reset:1;
|
|
+ } cn50xx;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn50xx cn52xx;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn50xx cn52xxp1;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn56xx {
|
|
+ uint64_t txrisetune:1;
|
|
+ uint64_t txvreftune:4;
|
|
+ uint64_t txfslstune:4;
|
|
+ uint64_t txhsxvtune:2;
|
|
+ uint64_t sqrxtune:3;
|
|
+ uint64_t compdistune:3;
|
|
+ uint64_t otgtune:3;
|
|
+ uint64_t otgdisable:1;
|
|
+ uint64_t portreset:1;
|
|
+ uint64_t drvvbus:1;
|
|
+ uint64_t lsbist:1;
|
|
+ uint64_t fsbist:1;
|
|
+ uint64_t hsbist:1;
|
|
+ uint64_t bist_done:1;
|
|
+ uint64_t bist_err:1;
|
|
+ uint64_t tdata_out:4;
|
|
+ uint64_t siddq:1;
|
|
+ uint64_t txpreemphasistune:1;
|
|
+ uint64_t dma_bmode:1;
|
|
+ uint64_t usbc_end:1;
|
|
+ uint64_t usbp_bist:1;
|
|
+ uint64_t tclk:1;
|
|
+ uint64_t dp_pulld:1;
|
|
+ uint64_t dm_pulld:1;
|
|
+ uint64_t hst_mode:1;
|
|
+ uint64_t reserved_19_22:4;
|
|
+ uint64_t tx_bs_enh:1;
|
|
+ uint64_t tx_bs_en:1;
|
|
+ uint64_t loop_enb:1;
|
|
+ uint64_t vtest_enb:1;
|
|
+ uint64_t bist_enb:1;
|
|
+ uint64_t tdata_sel:1;
|
|
+ uint64_t taddr_in:4;
|
|
+ uint64_t tdata_in:8;
|
|
+ uint64_t ate_reset:1;
|
|
+ } cn56xx;
|
|
+ struct cvmx_usbnx_usbp_ctl_status_cn50xx cn56xxp1;
|
|
+};
|
|
+
|
|
+#endif
|
|
--
|
|
1.6.0.6
|
|
|
|
--
|
|
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
|
|
the body of a message to majordomo@vger.kernel.org
|
|
More majordomo info at http://vger.kernel.org/majordomo-info.htmlSigned-off-by: David Daney <ddaney@caviumnetworks.com>
|
|
---
|
|
drivers/usb/host/Kconfig | 8 +
|
|
drivers/usb/host/Makefile | 1 +
|
|
drivers/usb/host/dwc_otg/Kbuild | 16 +
|
|
drivers/usb/host/dwc_otg/dwc_otg_attr.c | 854 ++++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_attr.h | 63 +
|
|
drivers/usb/host/dwc_otg/dwc_otg_cil.c | 2887 ++++++++++++++++++++++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_cil.h | 866 ++++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_cil_intr.c | 689 ++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_driver.h | 63 +
|
|
drivers/usb/host/dwc_otg/dwc_otg_hcd.c | 2878 +++++++++++++++++++++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_hcd.h | 661 ++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c | 1890 +++++++++++++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c | 695 +++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_octeon.c | 1078 ++++++++++
|
|
drivers/usb/host/dwc_otg/dwc_otg_plat.h | 236 +++
|
|
drivers/usb/host/dwc_otg/dwc_otg_regs.h | 2355 +++++++++++++++++++++
|
|
16 files changed, 15240 insertions(+), 0 deletions(-)
|
|
create mode 100644 drivers/usb/host/dwc_otg/Kbuild
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_attr.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_attr.h
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_cil.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_cil.h
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_cil_intr.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_driver.h
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_hcd.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_hcd.h
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_octeon.c
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_plat.h
|
|
create mode 100644 drivers/usb/host/dwc_otg/dwc_otg_regs.h
|
|
|
|
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
|
|
index 9b43b22..342dc54 100644
|
|
--- a/drivers/usb/host/Kconfig
|
|
+++ b/drivers/usb/host/Kconfig
|
|
@@ -381,3 +381,11 @@ config USB_HWA_HCD
|
|
|
|
To compile this driver a module, choose M here: the module
|
|
will be called "hwa-hc".
|
|
+
|
|
+config USB_DWC_OTG
|
|
+ tristate "Cavium Octeon USB"
|
|
+ depends on USB && CPU_CAVIUM_OCTEON
|
|
+ ---help---
|
|
+ The Cavium Octeon on-chip USB controller. To compile this
|
|
+ driver as a module, choose M here: the module will be called
|
|
+ "dwc_otg".
|
|
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
|
|
index f58b249..76faf12 100644
|
|
--- a/drivers/usb/host/Makefile
|
|
+++ b/drivers/usb/host/Makefile
|
|
@@ -15,6 +15,7 @@ endif
|
|
xhci-objs := xhci-hcd.o xhci-mem.o xhci-pci.o xhci-ring.o xhci-hub.o xhci-dbg.o
|
|
|
|
obj-$(CONFIG_USB_WHCI_HCD) += whci/
|
|
+obj-$(CONFIG_USB_DWC_OTG) += dwc_otg/
|
|
|
|
obj-$(CONFIG_PCI) += pci-quirks.o
|
|
|
|
diff --git a/drivers/usb/host/dwc_otg/Kbuild b/drivers/usb/host/dwc_otg/Kbuild
|
|
new file mode 100644
|
|
index 0000000..cb32638
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/Kbuild
|
|
@@ -0,0 +1,16 @@
|
|
+#
|
|
+# Makefile for DWC_otg Highspeed USB controller driver
|
|
+#
|
|
+
|
|
+# Use one of the following flags to compile the software in host-only or
|
|
+# device-only mode.
|
|
+#EXTRA_CFLAGS += -DDWC_HOST_ONLY
|
|
+#EXTRA_CFLAGS += -DDWC_DEVICE_ONLY
|
|
+
|
|
+EXTRA_CFLAGS += -DDWC_HOST_ONLY
|
|
+obj-$(CONFIG_USB_DWC_OTG) += dwc_otg.o
|
|
+
|
|
+dwc_otg-y := dwc_otg_octeon.o dwc_otg_attr.o
|
|
+dwc_otg-y += dwc_otg_cil.o dwc_otg_cil_intr.o
|
|
+dwc_otg-y += dwc_otg_hcd.o dwc_otg_hcd_intr.o dwc_otg_hcd_queue.o
|
|
+
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_attr.c b/drivers/usb/host/dwc_otg/dwc_otg_attr.c
|
|
new file mode 100644
|
|
index 0000000..d854a79
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_attr.c
|
|
@@ -0,0 +1,854 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+/*
|
|
+ *
|
|
+ * The diagnostic interface will provide access to the controller for
|
|
+ * bringing up the hardware and testing. The Linux driver attributes
|
|
+ * feature will be used to provide the Linux Diagnostic
|
|
+ * Interface. These attributes are accessed through sysfs.
|
|
+ */
|
|
+
|
|
+/** @page "Linux Module Attributes"
|
|
+ *
|
|
+ * The Linux module attributes feature is used to provide the Linux
|
|
+ * Diagnostic Interface. These attributes are accessed through sysfs.
|
|
+ * The diagnostic interface will provide access to the controller for
|
|
+ * bringing up the hardware and testing.
|
|
+
|
|
+ The following table shows the attributes.
|
|
+ <table>
|
|
+ <tr>
|
|
+ <td><b> Name</b></td>
|
|
+ <td><b> Description</b></td>
|
|
+ <td><b> Access</b></td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> mode </td>
|
|
+ <td> Returns the current mode: 0 for device mode, 1 for host mode</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> hnpcapable </td>
|
|
+ <td> Gets or sets the "HNP-capable" bit in the Core USB Configuraton Register.
|
|
+ Read returns the current value.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> srpcapable </td>
|
|
+ <td> Gets or sets the "SRP-capable" bit in the Core USB Configuraton Register.
|
|
+ Read returns the current value.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> hnp </td>
|
|
+ <td> Initiates the Host Negotiation Protocol. Read returns the status.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> srp </td>
|
|
+ <td> Initiates the Session Request Protocol. Read returns the status.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> buspower </td>
|
|
+ <td> Gets or sets the Power State of the bus (0 - Off or 1 - On)</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> bussuspend </td>
|
|
+ <td> Suspends the USB bus.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> busconnected </td>
|
|
+ <td> Gets the connection status of the bus</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> gotgctl </td>
|
|
+ <td> Gets or sets the Core Control Status Register.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> gusbcfg </td>
|
|
+ <td> Gets or sets the Core USB Configuration Register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> grxfsiz </td>
|
|
+ <td> Gets or sets the Receive FIFO Size Register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> gnptxfsiz </td>
|
|
+ <td> Gets or sets the non-periodic Transmit Size Register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> gpvndctl </td>
|
|
+ <td> Gets or sets the PHY Vendor Control Register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> ggpio </td>
|
|
+ <td> Gets the value in the lower 16-bits of the General Purpose IO Register
|
|
+ or sets the upper 16 bits.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> guid </td>
|
|
+ <td> Gets or sets the value of the User ID Register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> gsnpsid </td>
|
|
+ <td> Gets the value of the Synopsys ID Regester</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> devspeed </td>
|
|
+ <td> Gets or sets the device speed setting in the DCFG register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> enumspeed </td>
|
|
+ <td> Gets the device enumeration Speed.</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> hptxfsiz </td>
|
|
+ <td> Gets the value of the Host Periodic Transmit FIFO</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> hprt0 </td>
|
|
+ <td> Gets or sets the value in the Host Port Control and Status Register</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> regoffset </td>
|
|
+ <td> Sets the register offset for the next Register Access</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> regvalue </td>
|
|
+ <td> Gets or sets the value of the register at the offset in the regoffset attribute.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> remote_wakeup </td>
|
|
+ <td> On read, shows the status of Remote Wakeup. On write, initiates a remote
|
|
+ wakeup of the host. When bit 0 is 1 and Remote Wakeup is enabled, the Remote
|
|
+ Wakeup signalling bit in the Device Control Register is set for 1
|
|
+ milli-second.</td>
|
|
+ <td> Read/Write</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> regdump </td>
|
|
+ <td> Dumps the contents of core registers.</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> hcddump </td>
|
|
+ <td> Dumps the current HCD state.</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> hcd_frrem </td>
|
|
+ <td> Shows the average value of the Frame Remaining
|
|
+ field in the Host Frame Number/Frame Remaining register when an SOF interrupt
|
|
+ occurs. This can be used to determine the average interrupt latency. Also
|
|
+ shows the average Frame Remaining value for start_transfer and the "a" and
|
|
+ "b" sample points. The "a" and "b" sample points may be used during debugging
|
|
+ bto determine how long it takes to execute a section of the HCD code.</td>
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> rd_reg_test </td>
|
|
+ <td> Displays the time required to read the GNPTXFSIZ register many times
|
|
+ (the output shows the number of times the register is read).
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ <tr>
|
|
+ <td> wr_reg_test </td>
|
|
+ <td> Displays the time required to write the GNPTXFSIZ register many times
|
|
+ (the output shows the number of times the register is written).
|
|
+ <td> Read</td>
|
|
+ </tr>
|
|
+
|
|
+ </table>
|
|
+
|
|
+ Example usage:
|
|
+ To get the current mode:
|
|
+ cat /sys/devices/lm0/mode
|
|
+
|
|
+ To power down the USB:
|
|
+ echo 0 > /sys/devices/lm0/buspower
|
|
+ */
|
|
+
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/moduleparam.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/stat.h> /* permission constants */
|
|
+
|
|
+#include <asm/io.h>
|
|
+
|
|
+#include "dwc_otg_plat.h"
|
|
+#include "dwc_otg_attr.h"
|
|
+#include "dwc_otg_driver.h"
|
|
+#ifndef DWC_HOST_ONLY
|
|
+#include "dwc_otg_pcd.h"
|
|
+#endif
|
|
+#include "dwc_otg_hcd.h"
|
|
+
|
|
+/*
|
|
+ * MACROs for defining sysfs attribute
|
|
+ */
|
|
+#define DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_, _addr_, \
|
|
+ _mask_, _shift_, _string_) \
|
|
+ static ssize_t _otg_attr_name_##_show (struct device *_dev, \
|
|
+ struct device_attribute *attr, \
|
|
+ char *buf) \
|
|
+ { \
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data; \
|
|
+ uint32_t val; \
|
|
+ val = dwc_read_reg32(_addr_); \
|
|
+ val = (val & (_mask_)) >> _shift_; \
|
|
+ return sprintf(buf, "%s = 0x%x\n", _string_, val); \
|
|
+ }
|
|
+
|
|
+#define DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_, _addr_, \
|
|
+ _mask_, _shift_, _string_) \
|
|
+ static ssize_t _otg_attr_name_##_store (struct device *_dev, \
|
|
+ struct device_attribute *attr, \
|
|
+ const char *buf, size_t count) \
|
|
+ { \
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data; \
|
|
+ uint32_t set = simple_strtoul(buf, NULL, 16); \
|
|
+ uint32_t clear = set; \
|
|
+ clear = ((~clear) << _shift_) & _mask_; \
|
|
+ set = (set << _shift_) & _mask_; \
|
|
+ dev_dbg(_dev, \
|
|
+ "Storing Address=%p Set=0x%08x Clear=0x%08x\n", \
|
|
+ _addr_, set, clear); \
|
|
+ dwc_modify_reg32(_addr_, clear, set); \
|
|
+ return count; \
|
|
+ }
|
|
+
|
|
+#define DWC_OTG_DEVICE_ATTR_BITFIELD_RW(_otg_attr_name_, _addr_, \
|
|
+ _mask_, _shift_, _string_) \
|
|
+ DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_, _addr_, \
|
|
+ _mask_, _shift_, _string_) \
|
|
+ DWC_OTG_DEVICE_ATTR_BITFIELD_STORE(_otg_attr_name_, _addr_, \
|
|
+ _mask_, _shift_, _string_) \
|
|
+ DEVICE_ATTR(_otg_attr_name_, 0644, _otg_attr_name_##_show, \
|
|
+ _otg_attr_name_##_store);
|
|
+
|
|
+#define DWC_OTG_DEVICE_ATTR_BITFIELD_RO(_otg_attr_name_, _addr_, \
|
|
+ _mask_, _shift_, _string_) \
|
|
+ DWC_OTG_DEVICE_ATTR_BITFIELD_SHOW(_otg_attr_name_, \
|
|
+ _addr_, _mask_, _shift_, _string_) \
|
|
+ DEVICE_ATTR(_otg_attr_name_, 0444, _otg_attr_name_##_show, NULL);
|
|
+
|
|
+/*
|
|
+ * MACROs for defining sysfs attribute for 32-bit registers
|
|
+ */
|
|
+#define DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_, _addr_, _string_) \
|
|
+ static ssize_t _otg_attr_name_##_show(struct device *_dev, \
|
|
+ struct device_attribute *attr, \
|
|
+ char *buf) \
|
|
+ { \
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data; \
|
|
+ uint32_t val; \
|
|
+ val = dwc_read_reg32(_addr_); \
|
|
+ return sprintf(buf, "%s = 0x%08x\n", _string_, val); \
|
|
+ }
|
|
+
|
|
+#define DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_, _addr_, _string_) \
|
|
+ static ssize_t _otg_attr_name_##_store(struct device *_dev, \
|
|
+ struct device_attribute *attr, \
|
|
+ const char *buf, size_t count) \
|
|
+ { \
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data; \
|
|
+ uint32_t val = simple_strtoul(buf, NULL, 16); \
|
|
+ dev_dbg(_dev, "Storing Address=%p Val=0x%08x\n", _addr_, val); \
|
|
+ dwc_write_reg32(_addr_, val); \
|
|
+ return count; \
|
|
+ }
|
|
+
|
|
+#define DWC_OTG_DEVICE_ATTR_REG32_RW(_otg_attr_name_, _addr_, _string_) \
|
|
+ DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_, _addr_, _string_) \
|
|
+ DWC_OTG_DEVICE_ATTR_REG_STORE(_otg_attr_name_, _addr_, _string_) \
|
|
+ DEVICE_ATTR(_otg_attr_name_, 0644, _otg_attr_name_##_show, \
|
|
+ _otg_attr_name_##_store);
|
|
+
|
|
+#define DWC_OTG_DEVICE_ATTR_REG32_RO(_otg_attr_name_, _addr_, _string_) \
|
|
+ DWC_OTG_DEVICE_ATTR_REG_SHOW(_otg_attr_name_, _addr_, _string_) \
|
|
+ DEVICE_ATTR(_otg_attr_name_, 0444, _otg_attr_name_##_show, NULL);
|
|
+
|
|
+/**
|
|
+ * Show the register offset of the Register Access.
|
|
+ */
|
|
+static ssize_t regoffset_show(struct device *_dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ return snprintf(buf, sizeof("0xFFFFFFFF\n") + 1, "0x%08x\n",
|
|
+ otg_dev->reg_offset);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Set the register offset for the next Register Access Read/Write
|
|
+ */
|
|
+static ssize_t regoffset_store(struct device *_dev,
|
|
+ struct device_attribute *attr, const char *buf,
|
|
+ size_t count)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t offset = simple_strtoul(buf, NULL, 16);
|
|
+
|
|
+ if (offset < SZ_256K)
|
|
+ otg_dev->reg_offset = offset;
|
|
+ else
|
|
+ dev_err(_dev, "invalid offset\n");
|
|
+
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(regoffset, S_IRUGO | S_IWUSR, regoffset_show, regoffset_store);
|
|
+
|
|
+/**
|
|
+ * Show the value of the register at the offset in the reg_offset
|
|
+ * attribute.
|
|
+ */
|
|
+static ssize_t regvalue_show(struct device *_dev, struct device_attribute *attr,
|
|
+ char *buf)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t val;
|
|
+ uint32_t *addr;
|
|
+
|
|
+ if (otg_dev->reg_offset != 0xFFFFFFFF && 0 != otg_dev->base) {
|
|
+ /* Calculate the address */
|
|
+ addr = (uint32_t *) (otg_dev->reg_offset +
|
|
+ (uint8_t *) otg_dev->base);
|
|
+
|
|
+ val = dwc_read_reg32(addr);
|
|
+ return snprintf(buf,
|
|
+ sizeof("Reg@0xFFFFFFFF = 0xFFFFFFFF\n") + 1,
|
|
+ "Reg@0x%06x = 0x%08x\n", otg_dev->reg_offset,
|
|
+ val);
|
|
+ } else {
|
|
+ dev_err(_dev, "Invalid offset (0x%0x)\n", otg_dev->reg_offset);
|
|
+ return sprintf(buf, "invalid offset\n");
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Store the value in the register at the offset in the reg_offset
|
|
+ * attribute.
|
|
+ *
|
|
+ */
|
|
+static ssize_t regvalue_store(struct device *_dev,
|
|
+ struct device_attribute *attr, const char *buf,
|
|
+ size_t count)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t *addr;
|
|
+ uint32_t val = simple_strtoul(buf, NULL, 16);
|
|
+
|
|
+ if (otg_dev->reg_offset != 0xFFFFFFFF && 0 != otg_dev->base) {
|
|
+ /* Calculate the address */
|
|
+ addr = (uint32_t *) (otg_dev->reg_offset +
|
|
+ (uint8_t *) otg_dev->base);
|
|
+
|
|
+ dwc_write_reg32(addr, val);
|
|
+ } else {
|
|
+ dev_err(_dev, "Invalid Register Offset (0x%08x)\n",
|
|
+ otg_dev->reg_offset);
|
|
+ }
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(regvalue, S_IRUGO | S_IWUSR, regvalue_show, regvalue_store);
|
|
+
|
|
+/*
|
|
+ * Attributes
|
|
+ */
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(mode,
|
|
+ &(otg_dev->core_if->core_global_regs->gotgctl),
|
|
+ (1 << 20), 20, "Mode");
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(hnpcapable,
|
|
+ &(otg_dev->core_if->core_global_regs->gusbcfg),
|
|
+ (1 << 9), 9, "Mode");
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(srpcapable,
|
|
+ &(otg_dev->core_if->core_global_regs->gusbcfg),
|
|
+ (1 << 8), 8, "Mode");
|
|
+#if 0
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(buspower, &(otg_dev->core_if->core_global_regs->gotgctl), (1<<8), 8, "Mode");
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(bussuspend, &(otg_dev->core_if->core_global_regs->gotgctl), (1<<8), 8, "Mode");
|
|
+#endif
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(busconnected, otg_dev->core_if->host_if->hprt0,
|
|
+ 0x01, 0, "Bus Connected");
|
|
+
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(gotgctl,
|
|
+ &(otg_dev->core_if->core_global_regs->gotgctl),
|
|
+ "GOTGCTL");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(gusbcfg,
|
|
+ &(otg_dev->core_if->core_global_regs->gusbcfg),
|
|
+ "GUSBCFG");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(grxfsiz,
|
|
+ &(otg_dev->core_if->core_global_regs->grxfsiz),
|
|
+ "GRXFSIZ");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(gnptxfsiz,
|
|
+ &(otg_dev->core_if->core_global_regs->gnptxfsiz),
|
|
+ "GNPTXFSIZ");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(gpvndctl,
|
|
+ &(otg_dev->core_if->core_global_regs->gpvndctl),
|
|
+ "GPVNDCTL");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(ggpio,
|
|
+ &(otg_dev->core_if->core_global_regs->ggpio),
|
|
+ "GGPIO");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(guid, &(otg_dev->core_if->core_global_regs->guid),
|
|
+ "GUID");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RO(gsnpsid,
|
|
+ &(otg_dev->core_if->core_global_regs->gsnpsid),
|
|
+ "GSNPSID");
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RW(devspeed,
|
|
+ &(otg_dev->core_if->dev_if->dev_global_regs->
|
|
+ dcfg), 0x3, 0, "Device Speed");
|
|
+DWC_OTG_DEVICE_ATTR_BITFIELD_RO(enumspeed,
|
|
+ &(otg_dev->core_if->dev_if->dev_global_regs->
|
|
+ dsts), 0x6, 1, "Device Enumeration Speed");
|
|
+
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RO(hptxfsiz,
|
|
+ &(otg_dev->core_if->core_global_regs->hptxfsiz),
|
|
+ "HPTXFSIZ");
|
|
+DWC_OTG_DEVICE_ATTR_REG32_RW(hprt0, otg_dev->core_if->host_if->hprt0, "HPRT0");
|
|
+
|
|
+/**
|
|
+ * @todo Add code to initiate the HNP.
|
|
+ */
|
|
+/**
|
|
+ * Show the HNP status bit
|
|
+ */
|
|
+static ssize_t hnp_show(struct device *_dev, struct device_attribute *attr,
|
|
+ char *buf)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ union gotgctl_data val;
|
|
+ val.d32 =
|
|
+ dwc_read_reg32(&(otg_dev->core_if->core_global_regs->gotgctl));
|
|
+ return sprintf(buf, "HstNegScs = 0x%x\n", val.b.hstnegscs);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Set the HNP Request bit
|
|
+ */
|
|
+static ssize_t hnp_store(struct device *_dev, struct device_attribute *attr,
|
|
+ const char *buf, size_t count)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t in = simple_strtoul(buf, NULL, 16);
|
|
+ uint32_t *addr =
|
|
+ (uint32_t *) &(otg_dev->core_if->core_global_regs->gotgctl);
|
|
+ union gotgctl_data mem;
|
|
+ mem.d32 = dwc_read_reg32(addr);
|
|
+ mem.b.hnpreq = in;
|
|
+ dev_dbg(_dev, "Storing Address=%p Data=0x%08x\n", addr, mem.d32);
|
|
+ dwc_write_reg32(addr, mem.d32);
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(hnp, 0644, hnp_show, hnp_store);
|
|
+
|
|
+/**
|
|
+ * @todo Add code to initiate the SRP.
|
|
+ */
|
|
+/**
|
|
+ * Show the SRP status bit
|
|
+ */
|
|
+static ssize_t srp_show(struct device *_dev, struct device_attribute *attr,
|
|
+ char *buf)
|
|
+{
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ union gotgctl_data val;
|
|
+ val.d32 =
|
|
+ dwc_read_reg32(&(otg_dev->core_if->core_global_regs->gotgctl));
|
|
+ return sprintf(buf, "SesReqScs = 0x%x\n", val.b.sesreqscs);
|
|
+#else
|
|
+ return sprintf(buf, "Host Only Mode!\n");
|
|
+#endif
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Set the SRP Request bit
|
|
+ */
|
|
+static ssize_t srp_store(struct device *_dev, struct device_attribute *attr,
|
|
+ const char *buf, size_t count)
|
|
+{
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ dwc_otg_pcd_initiate_srp(otg_dev->pcd);
|
|
+#endif
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(srp, 0644, srp_show, srp_store);
|
|
+
|
|
+/**
|
|
+ * @todo Need to do more for power on/off?
|
|
+ */
|
|
+/**
|
|
+ * Show the Bus Power status
|
|
+ */
|
|
+static ssize_t buspower_show(struct device *_dev, struct device_attribute *attr,
|
|
+ char *buf)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ union hprt0_data val;
|
|
+ val.d32 = dwc_read_reg32(otg_dev->core_if->host_if->hprt0);
|
|
+ return sprintf(buf, "Bus Power = 0x%x\n", val.b.prtpwr);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Set the Bus Power status
|
|
+ */
|
|
+static ssize_t buspower_store(struct device *_dev,
|
|
+ struct device_attribute *attr, const char *buf,
|
|
+ size_t count)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t on = simple_strtoul(buf, NULL, 16);
|
|
+ uint32_t *addr = (uint32_t *) otg_dev->core_if->host_if->hprt0;
|
|
+ union hprt0_data mem;
|
|
+
|
|
+ mem.d32 = dwc_read_reg32(addr);
|
|
+ mem.b.prtpwr = on;
|
|
+
|
|
+ dwc_write_reg32(addr, mem.d32);
|
|
+
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(buspower, 0644, buspower_show, buspower_store);
|
|
+
|
|
+/**
|
|
+ * @todo Need to do more for suspend?
|
|
+ */
|
|
+/**
|
|
+ * Show the Bus Suspend status
|
|
+ */
|
|
+static ssize_t bussuspend_show(struct device *_dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ union hprt0_data val;
|
|
+ val.d32 = dwc_read_reg32(otg_dev->core_if->host_if->hprt0);
|
|
+ return sprintf(buf, "Bus Suspend = 0x%x\n", val.b.prtsusp);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Set the Bus Suspend status
|
|
+ */
|
|
+static ssize_t bussuspend_store(struct device *_dev,
|
|
+ struct device_attribute *attr, const char *buf,
|
|
+ size_t count)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t in = simple_strtoul(buf, NULL, 16);
|
|
+ uint32_t *addr = (uint32_t *) otg_dev->core_if->host_if->hprt0;
|
|
+ union hprt0_data mem;
|
|
+ mem.d32 = dwc_read_reg32(addr);
|
|
+ mem.b.prtsusp = in;
|
|
+ dev_dbg(_dev, "Storing Address=%p Data=0x%08x\n", addr, mem.d32);
|
|
+ dwc_write_reg32(addr, mem.d32);
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(bussuspend, 0644, bussuspend_show, bussuspend_store);
|
|
+
|
|
+/**
|
|
+ * Show the status of Remote Wakeup.
|
|
+ */
|
|
+static ssize_t remote_wakeup_show(struct device *_dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ union dctl_data val;
|
|
+ val.d32 =
|
|
+ dwc_read_reg32(&otg_dev->core_if->dev_if->dev_global_regs->dctl);
|
|
+ return sprintf(buf, "Remote Wakeup = %d Enabled = %d\n",
|
|
+ val.b.rmtwkupsig, otg_dev->pcd->remote_wakeup_enable);
|
|
+#else
|
|
+ return sprintf(buf, "Host Only Mode!\n");
|
|
+#endif
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Initiate a remote wakeup of the host. The Device control register
|
|
+ * Remote Wakeup Signal bit is written if the PCD Remote wakeup enable
|
|
+ * flag is set.
|
|
+ *
|
|
+ */
|
|
+static ssize_t remote_wakeup_store(struct device *_dev,
|
|
+ struct device_attribute *attr,
|
|
+ const char *buf, size_t count)
|
|
+{
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ uint32_t val = simple_strtoul(buf, NULL, 16);
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ if (val & 1)
|
|
+ dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 1);
|
|
+ else
|
|
+ dwc_otg_pcd_remote_wakeup(otg_dev->pcd, 0);
|
|
+#endif
|
|
+ return count;
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(remote_wakeup, S_IRUGO | S_IWUSR, remote_wakeup_show,
|
|
+ remote_wakeup_store);
|
|
+
|
|
+/**
|
|
+ * Dump global registers and either host or device registers (depending on the
|
|
+ * current mode of the core).
|
|
+ */
|
|
+static ssize_t regdump_show(struct device *_dev, struct device_attribute *attr,
|
|
+ char *buf)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+
|
|
+ dwc_otg_dump_global_registers(otg_dev->core_if);
|
|
+ if (dwc_otg_is_host_mode(otg_dev->core_if))
|
|
+ dwc_otg_dump_host_registers(otg_dev->core_if);
|
|
+ else
|
|
+ dwc_otg_dump_dev_registers(otg_dev->core_if);
|
|
+
|
|
+ return sprintf(buf, "Register Dump\n");
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(regdump, S_IRUGO | S_IWUSR, regdump_show, 0);
|
|
+
|
|
+/**
|
|
+ * Dump the current hcd state.
|
|
+ */
|
|
+static ssize_t hcddump_show(struct device *_dev, struct device_attribute *attr,
|
|
+ char *buf)
|
|
+{
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ dwc_otg_hcd_dump_state(otg_dev->hcd);
|
|
+#endif
|
|
+ return sprintf(buf, "HCD Dump\n");
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(hcddump, S_IRUGO | S_IWUSR, hcddump_show, 0);
|
|
+
|
|
+/**
|
|
+ * Dump the average frame remaining at SOF. This can be used to
|
|
+ * determine average interrupt latency. Frame remaining is also shown for
|
|
+ * start transfer and two additional sample points.
|
|
+ */
|
|
+static ssize_t hcd_frrem_show(struct device *_dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ dwc_otg_hcd_dump_frrem(otg_dev->hcd);
|
|
+#endif
|
|
+ return sprintf(buf, "HCD Dump Frame Remaining\n");
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(hcd_frrem, S_IRUGO | S_IWUSR, hcd_frrem_show, 0);
|
|
+
|
|
+/**
|
|
+ * Displays the time required to read the GNPTXFSIZ register many times (the
|
|
+ * output shows the number of times the register is read).
|
|
+ */
|
|
+#define RW_REG_COUNT 10000000
|
|
+#define MSEC_PER_JIFFIE (1000/HZ)
|
|
+static ssize_t rd_reg_test_show(struct device *_dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ int i;
|
|
+ int time;
|
|
+ int start_jiffies;
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+
|
|
+ pr_info("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n",
|
|
+ HZ, MSEC_PER_JIFFIE, loops_per_jiffy);
|
|
+ start_jiffies = jiffies;
|
|
+ for (i = 0; i < RW_REG_COUNT; i++)
|
|
+ dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz);
|
|
+
|
|
+ time = jiffies - start_jiffies;
|
|
+ return sprintf(buf,
|
|
+ "Time to read GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n",
|
|
+ RW_REG_COUNT, time * MSEC_PER_JIFFIE, time);
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(rd_reg_test, S_IRUGO | S_IWUSR, rd_reg_test_show, 0);
|
|
+
|
|
+/**
|
|
+ * Displays the time required to write the GNPTXFSIZ register many times (the
|
|
+ * output shows the number of times the register is written).
|
|
+ */
|
|
+static ssize_t wr_reg_test_show(struct device *_dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ int i;
|
|
+ int time;
|
|
+ int start_jiffies;
|
|
+ struct dwc_otg_device *otg_dev = _dev->platform_data;
|
|
+ uint32_t reg_val;
|
|
+
|
|
+ pr_info("HZ %d, MSEC_PER_JIFFIE %d, loops_per_jiffy %lu\n",
|
|
+ HZ, MSEC_PER_JIFFIE, loops_per_jiffy);
|
|
+ reg_val =
|
|
+ dwc_read_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz);
|
|
+ start_jiffies = jiffies;
|
|
+ for (i = 0; i < RW_REG_COUNT; i++)
|
|
+ dwc_write_reg32(&otg_dev->core_if->core_global_regs->gnptxfsiz,
|
|
+ reg_val);
|
|
+
|
|
+ time = jiffies - start_jiffies;
|
|
+ return sprintf(buf,
|
|
+ "Time to write GNPTXFSIZ reg %d times: %d msecs (%d jiffies)\n",
|
|
+ RW_REG_COUNT, time * MSEC_PER_JIFFIE, time);
|
|
+}
|
|
+
|
|
+DEVICE_ATTR(wr_reg_test, S_IRUGO | S_IWUSR, wr_reg_test_show, 0);
|
|
+
|
|
+/*
|
|
+ * Create the device files
|
|
+ */
|
|
+void dwc_otg_attr_create(struct device *dev)
|
|
+{
|
|
+ int error;
|
|
+ error = device_create_file(dev, &dev_attr_regoffset);
|
|
+ error |= device_create_file(dev, &dev_attr_regvalue);
|
|
+ error |= device_create_file(dev, &dev_attr_mode);
|
|
+ error |= device_create_file(dev, &dev_attr_hnpcapable);
|
|
+ error |= device_create_file(dev, &dev_attr_srpcapable);
|
|
+ error |= device_create_file(dev, &dev_attr_hnp);
|
|
+ error |= device_create_file(dev, &dev_attr_srp);
|
|
+ error |= device_create_file(dev, &dev_attr_buspower);
|
|
+ error |= device_create_file(dev, &dev_attr_bussuspend);
|
|
+ error |= device_create_file(dev, &dev_attr_busconnected);
|
|
+ error |= device_create_file(dev, &dev_attr_gotgctl);
|
|
+ error |= device_create_file(dev, &dev_attr_gusbcfg);
|
|
+ error |= device_create_file(dev, &dev_attr_grxfsiz);
|
|
+ error |= device_create_file(dev, &dev_attr_gnptxfsiz);
|
|
+ error |= device_create_file(dev, &dev_attr_gpvndctl);
|
|
+ error |= device_create_file(dev, &dev_attr_ggpio);
|
|
+ error |= device_create_file(dev, &dev_attr_guid);
|
|
+ error |= device_create_file(dev, &dev_attr_gsnpsid);
|
|
+ error |= device_create_file(dev, &dev_attr_devspeed);
|
|
+ error |= device_create_file(dev, &dev_attr_enumspeed);
|
|
+ error |= device_create_file(dev, &dev_attr_hptxfsiz);
|
|
+ error |= device_create_file(dev, &dev_attr_hprt0);
|
|
+ error |= device_create_file(dev, &dev_attr_remote_wakeup);
|
|
+ error |= device_create_file(dev, &dev_attr_regdump);
|
|
+ error |= device_create_file(dev, &dev_attr_hcddump);
|
|
+ error |= device_create_file(dev, &dev_attr_hcd_frrem);
|
|
+ error |= device_create_file(dev, &dev_attr_rd_reg_test);
|
|
+ error |= device_create_file(dev, &dev_attr_wr_reg_test);
|
|
+ if (error)
|
|
+ pr_err("DWC_OTG: Creating some device files failed\n");
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Remove the device files
|
|
+ */
|
|
+void dwc_otg_attr_remove(struct device *dev)
|
|
+{
|
|
+ device_remove_file(dev, &dev_attr_regoffset);
|
|
+ device_remove_file(dev, &dev_attr_regvalue);
|
|
+ device_remove_file(dev, &dev_attr_mode);
|
|
+ device_remove_file(dev, &dev_attr_hnpcapable);
|
|
+ device_remove_file(dev, &dev_attr_srpcapable);
|
|
+ device_remove_file(dev, &dev_attr_hnp);
|
|
+ device_remove_file(dev, &dev_attr_srp);
|
|
+ device_remove_file(dev, &dev_attr_buspower);
|
|
+ device_remove_file(dev, &dev_attr_bussuspend);
|
|
+ device_remove_file(dev, &dev_attr_busconnected);
|
|
+ device_remove_file(dev, &dev_attr_gotgctl);
|
|
+ device_remove_file(dev, &dev_attr_gusbcfg);
|
|
+ device_remove_file(dev, &dev_attr_grxfsiz);
|
|
+ device_remove_file(dev, &dev_attr_gnptxfsiz);
|
|
+ device_remove_file(dev, &dev_attr_gpvndctl);
|
|
+ device_remove_file(dev, &dev_attr_ggpio);
|
|
+ device_remove_file(dev, &dev_attr_guid);
|
|
+ device_remove_file(dev, &dev_attr_gsnpsid);
|
|
+ device_remove_file(dev, &dev_attr_devspeed);
|
|
+ device_remove_file(dev, &dev_attr_enumspeed);
|
|
+ device_remove_file(dev, &dev_attr_hptxfsiz);
|
|
+ device_remove_file(dev, &dev_attr_hprt0);
|
|
+ device_remove_file(dev, &dev_attr_remote_wakeup);
|
|
+ device_remove_file(dev, &dev_attr_regdump);
|
|
+ device_remove_file(dev, &dev_attr_hcddump);
|
|
+ device_remove_file(dev, &dev_attr_hcd_frrem);
|
|
+ device_remove_file(dev, &dev_attr_rd_reg_test);
|
|
+ device_remove_file(dev, &dev_attr_wr_reg_test);
|
|
+}
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_attr.h b/drivers/usb/host/dwc_otg/dwc_otg_attr.h
|
|
new file mode 100644
|
|
index 0000000..925524f
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_attr.h
|
|
@@ -0,0 +1,63 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+#if !defined(__DWC_OTG_ATTR_H__)
|
|
+#define __DWC_OTG_ATTR_H__
|
|
+
|
|
+/*
|
|
+ * This file contains the interface to the Linux device attributes.
|
|
+ */
|
|
+extern struct device_attribute dev_attr_regoffset;
|
|
+extern struct device_attribute dev_attr_regvalue;
|
|
+
|
|
+extern struct device_attribute dev_attr_mode;
|
|
+extern struct device_attribute dev_attr_hnpcapable;
|
|
+extern struct device_attribute dev_attr_srpcapable;
|
|
+extern struct device_attribute dev_attr_hnp;
|
|
+extern struct device_attribute dev_attr_srp;
|
|
+extern struct device_attribute dev_attr_buspower;
|
|
+extern struct device_attribute dev_attr_bussuspend;
|
|
+extern struct device_attribute dev_attr_busconnected;
|
|
+extern struct device_attribute dev_attr_gotgctl;
|
|
+extern struct device_attribute dev_attr_gusbcfg;
|
|
+extern struct device_attribute dev_attr_grxfsiz;
|
|
+extern struct device_attribute dev_attr_gnptxfsiz;
|
|
+extern struct device_attribute dev_attr_gpvndctl;
|
|
+extern struct device_attribute dev_attr_ggpio;
|
|
+extern struct device_attribute dev_attr_guid;
|
|
+extern struct device_attribute dev_attr_gsnpsid;
|
|
+extern struct device_attribute dev_attr_devspeed;
|
|
+extern struct device_attribute dev_attr_enumspeed;
|
|
+extern struct device_attribute dev_attr_hptxfsiz;
|
|
+extern struct device_attribute dev_attr_hprt0;
|
|
+
|
|
+void dwc_otg_attr_create(struct device *dev);
|
|
+void dwc_otg_attr_remove(struct device *dev);
|
|
+
|
|
+#endif
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_cil.c b/drivers/usb/host/dwc_otg/dwc_otg_cil.c
|
|
new file mode 100644
|
|
index 0000000..86153ba
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_cil.c
|
|
@@ -0,0 +1,2887 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+/*
|
|
+ *
|
|
+ * The Core Interface Layer provides basic services for accessing and
|
|
+ * managing the DWC_otg hardware. These services are used by both the
|
|
+ * Host Controller Driver and the Peripheral Controller Driver.
|
|
+ *
|
|
+ * The CIL manages the memory map for the core so that the HCD and PCD
|
|
+ * don't have to do this separately. It also handles basic tasks like
|
|
+ * reading/writing the registers and data FIFOs in the controller.
|
|
+ * Some of the data access functions provide encapsulation of several
|
|
+ * operations required to perform a task, such as writing multiple
|
|
+ * registers to start a transfer. Finally, the CIL performs basic
|
|
+ * services that are not specific to either the host or device modes
|
|
+ * of operation. These services include management of the OTG Host
|
|
+ * Negotiation Protocol (HNP) and Session Request Protocol (SRP). A
|
|
+ * Diagnostic API is also provided to allow testing of the controller
|
|
+ * hardware.
|
|
+ *
|
|
+ * The Core Interface Layer has the following requirements:
|
|
+ * - Provides basic controller operations.
|
|
+ * - Minimal use of OS services.
|
|
+ * - The OS services used will be abstracted by using inline functions
|
|
+ * or macros.
|
|
+ *
|
|
+ */
|
|
+#include <asm/unaligned.h>
|
|
+#ifdef DEBUG
|
|
+#include <linux/jiffies.h>
|
|
+#endif
|
|
+
|
|
+#include "dwc_otg_plat.h"
|
|
+#include "dwc_otg_regs.h"
|
|
+#include "dwc_otg_cil.h"
|
|
+
|
|
+/**
|
|
+ * This function is called to initialize the DWC_otg CSR data
|
|
+ * structures. The register addresses in the device and host
|
|
+ * structures are initialized from the base address supplied by the
|
|
+ * caller. The calling function must make the OS calls to get the
|
|
+ * base address of the DWC_otg controller registers. The core_params
|
|
+ * argument holds the parameters that specify how the core should be
|
|
+ * configured.
|
|
+ *
|
|
+ * @reg_base_addr: Base address of DWC_otg core registers
|
|
+ * @core_params: Pointer to the core configuration parameters
|
|
+ *
|
|
+ */
|
|
+struct dwc_otg_core_if *dwc_otg_cil_init(const uint32_t *reg_base_addr,
|
|
+ struct dwc_otg_core_params *core_params)
|
|
+{
|
|
+ struct dwc_otg_core_if *core_if = 0;
|
|
+ struct dwc_otg_dev_if *dev_if = 0;
|
|
+ struct dwc_otg_host_if *host_if = 0;
|
|
+ uint8_t *reg_base = (uint8_t *) reg_base_addr;
|
|
+ int i = 0;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "%s(%p,%p)\n", __func__, reg_base_addr,
|
|
+ core_params);
|
|
+
|
|
+ core_if = kmalloc(sizeof(struct dwc_otg_core_if), GFP_KERNEL);
|
|
+ if (core_if == 0) {
|
|
+ DWC_DEBUGPL(DBG_CIL,
|
|
+ "Allocation of struct dwc_otg_core_if failed\n");
|
|
+ return 0;
|
|
+ }
|
|
+ memset(core_if, 0, sizeof(struct dwc_otg_core_if));
|
|
+
|
|
+ core_if->core_params = core_params;
|
|
+ core_if->core_global_regs =
|
|
+ (struct dwc_otg_core_global_regs *)reg_base;
|
|
+ /*
|
|
+ * Allocate the Device Mode structures.
|
|
+ */
|
|
+ dev_if = kmalloc(sizeof(struct dwc_otg_dev_if), GFP_KERNEL);
|
|
+ if (dev_if == 0) {
|
|
+ DWC_DEBUGPL(DBG_CIL, "Allocation of struct dwc_otg_dev_if "
|
|
+ "failed\n");
|
|
+ kfree(core_if);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ dev_if->dev_global_regs =
|
|
+ (struct dwc_otg_dev_global_regs *) (reg_base +
|
|
+ DWC_DEV_GLOBAL_REG_OFFSET);
|
|
+
|
|
+ for (i = 0; i < MAX_EPS_CHANNELS; i++) {
|
|
+ dev_if->in_ep_regs[i] = (struct dwc_otg_dev_in_ep_regs *)
|
|
+ (reg_base + DWC_DEV_IN_EP_REG_OFFSET +
|
|
+ (i * DWC_EP_REG_OFFSET));
|
|
+
|
|
+ dev_if->out_ep_regs[i] = (struct dwc_otg_dev_out_ep_regs *)
|
|
+ (reg_base + DWC_DEV_OUT_EP_REG_OFFSET +
|
|
+ (i * DWC_EP_REG_OFFSET));
|
|
+ DWC_DEBUGPL(DBG_CILV, "in_ep_regs[%d]->diepctl=%p\n",
|
|
+ i, &dev_if->in_ep_regs[i]->diepctl);
|
|
+ DWC_DEBUGPL(DBG_CILV, "out_ep_regs[%d]->doepctl=%p\n",
|
|
+ i, &dev_if->out_ep_regs[i]->doepctl);
|
|
+ }
|
|
+ dev_if->speed = 0; /* unknown */
|
|
+ dev_if->num_eps = MAX_EPS_CHANNELS;
|
|
+ dev_if->num_perio_eps = 0;
|
|
+
|
|
+ core_if->dev_if = dev_if;
|
|
+ /*
|
|
+ * Allocate the Host Mode structures.
|
|
+ */
|
|
+ host_if = kmalloc(sizeof(struct dwc_otg_host_if), GFP_KERNEL);
|
|
+ if (host_if == 0) {
|
|
+ DWC_DEBUGPL(DBG_CIL,
|
|
+ "Allocation of struct dwc_otg_host_if failed\n");
|
|
+ kfree(dev_if);
|
|
+ kfree(core_if);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ host_if->host_global_regs = (struct dwc_otg_host_global_regs *)
|
|
+ (reg_base + DWC_OTG_HOST_GLOBAL_REG_OFFSET);
|
|
+ host_if->hprt0 =
|
|
+ (uint32_t *) (reg_base + DWC_OTG_HOST_PORT_REGS_OFFSET);
|
|
+ for (i = 0; i < MAX_EPS_CHANNELS; i++) {
|
|
+ host_if->hc_regs[i] = (struct dwc_otg_hc_regs *)
|
|
+ (reg_base + DWC_OTG_HOST_CHAN_REGS_OFFSET +
|
|
+ (i * DWC_OTG_CHAN_REGS_OFFSET));
|
|
+ DWC_DEBUGPL(DBG_CILV, "hc_reg[%d]->hcchar=%p\n",
|
|
+ i, &host_if->hc_regs[i]->hcchar);
|
|
+ }
|
|
+ host_if->num_host_channels = MAX_EPS_CHANNELS;
|
|
+ core_if->host_if = host_if;
|
|
+
|
|
+ for (i = 0; i < MAX_EPS_CHANNELS; i++) {
|
|
+ core_if->data_fifo[i] =
|
|
+ (uint32_t *) (reg_base + DWC_OTG_DATA_FIFO_OFFSET +
|
|
+ (i * DWC_OTG_DATA_FIFO_SIZE));
|
|
+ DWC_DEBUGPL(DBG_CILV, "data_fifo[%d]=%p\n",
|
|
+ i, core_if->data_fifo[i]);
|
|
+ }
|
|
+
|
|
+ core_if->pcgcctl = (uint32_t *) (reg_base + DWC_OTG_PCGCCTL_OFFSET);
|
|
+
|
|
+ /*
|
|
+ * Store the contents of the hardware configuration registers here for
|
|
+ * easy access later.
|
|
+ */
|
|
+ core_if->hwcfg1.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->ghwcfg1);
|
|
+ core_if->hwcfg2.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->ghwcfg2);
|
|
+ core_if->hwcfg3.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->ghwcfg3);
|
|
+ core_if->hwcfg4.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->ghwcfg4);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "hwcfg1=%08x\n", core_if->hwcfg1.d32);
|
|
+ DWC_DEBUGPL(DBG_CILV, "hwcfg2=%08x\n", core_if->hwcfg2.d32);
|
|
+ DWC_DEBUGPL(DBG_CILV, "hwcfg3=%08x\n", core_if->hwcfg3.d32);
|
|
+ DWC_DEBUGPL(DBG_CILV, "hwcfg4=%08x\n", core_if->hwcfg4.d32);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "op_mode=%0x\n", core_if->hwcfg2.b.op_mode);
|
|
+ DWC_DEBUGPL(DBG_CILV, "arch=%0x\n", core_if->hwcfg2.b.architecture);
|
|
+ DWC_DEBUGPL(DBG_CILV, "num_dev_ep=%d\n", core_if->hwcfg2.b.num_dev_ep);
|
|
+ DWC_DEBUGPL(DBG_CILV, "num_host_chan=%d\n",
|
|
+ core_if->hwcfg2.b.num_host_chan);
|
|
+ DWC_DEBUGPL(DBG_CILV, "nonperio_tx_q_depth=0x%0x\n",
|
|
+ core_if->hwcfg2.b.nonperio_tx_q_depth);
|
|
+ DWC_DEBUGPL(DBG_CILV, "host_perio_tx_q_depth=0x%0x\n",
|
|
+ core_if->hwcfg2.b.host_perio_tx_q_depth);
|
|
+ DWC_DEBUGPL(DBG_CILV, "dev_token_q_depth=0x%0x\n",
|
|
+ core_if->hwcfg2.b.dev_token_q_depth);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "Total FIFO SZ=%d\n",
|
|
+ core_if->hwcfg3.b.dfifo_depth);
|
|
+ DWC_DEBUGPL(DBG_CILV, "xfer_size_cntr_width=%0x\n",
|
|
+ core_if->hwcfg3.b.xfer_size_cntr_width);
|
|
+
|
|
+ /*
|
|
+ * Set the SRP sucess bit for FS-I2c
|
|
+ */
|
|
+ core_if->srp_success = 0;
|
|
+ core_if->srp_timer_started = 0;
|
|
+
|
|
+ return core_if;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function frees the structures allocated by dwc_otg_cil_init().
|
|
+ *
|
|
+ * @core_if: The core interface pointer returned from
|
|
+ * dwc_otg_cil_init().
|
|
+ *
|
|
+ */
|
|
+void dwc_otg_cil_remove(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ /* Disable all interrupts */
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gahbcfg, 1, 0);
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintmsk, 0);
|
|
+
|
|
+ kfree(core_if->dev_if);
|
|
+ kfree(core_if->host_if);
|
|
+
|
|
+ kfree(core_if);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function enables the controller's Global Interrupt in the AHB Config
|
|
+ * register.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+extern void dwc_otg_enable_global_interrupts(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gahbcfg_data ahbcfg = {.d32 = 0 };
|
|
+ ahbcfg.b.glblintrmsk = 1; /* Enable interrupts */
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gahbcfg, 0, ahbcfg.d32);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function disables the controller's Global Interrupt in the AHB Config
|
|
+ * register.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+extern void dwc_otg_disable_global_interrupts(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gahbcfg_data ahbcfg = {.d32 = 0 };
|
|
+ ahbcfg.b.glblintrmsk = 1; /* Enable interrupts */
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gahbcfg, ahbcfg.d32, 0);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function initializes the commmon interrupts, used in both
|
|
+ * device and host modes.
|
|
+ *
|
|
+ * @core_if: Programming view of the DWC_otg controller
|
|
+ *
|
|
+ */
|
|
+static void dwc_otg_enable_common_interrupts(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs =
|
|
+ core_if->core_global_regs;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+ /* Clear any pending OTG Interrupts */
|
|
+ dwc_write_reg32(&global_regs->gotgint, 0xFFFFFFFF);
|
|
+ /* Clear any pending interrupts */
|
|
+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF);
|
|
+ /*
|
|
+ * Enable the interrupts in the GINTMSK.
|
|
+ */
|
|
+ intr_mask.b.modemismatch = 1;
|
|
+ intr_mask.b.otgintr = 1;
|
|
+ if (!core_if->dma_enable)
|
|
+ intr_mask.b.rxstsqlvl = 1;
|
|
+
|
|
+ intr_mask.b.conidstschng = 1;
|
|
+ intr_mask.b.wkupintr = 1;
|
|
+ intr_mask.b.disconnect = 1;
|
|
+ intr_mask.b.usbsuspend = 1;
|
|
+ intr_mask.b.sessreqintr = 1;
|
|
+ dwc_write_reg32(&global_regs->gintmsk, intr_mask.d32);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Initializes the FSLSPClkSel field of the HCFG register depending on the PHY
|
|
+ * type.
|
|
+ */
|
|
+static void init_fslspclksel(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ uint32_t val;
|
|
+ union hcfg_data hcfg;
|
|
+
|
|
+ if (((core_if->hwcfg2.b.hs_phy_type == 2) &&
|
|
+ (core_if->hwcfg2.b.fs_phy_type == 1) &&
|
|
+ (core_if->core_params->ulpi_fs_ls)) ||
|
|
+ (core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) {
|
|
+ /* Full speed PHY */
|
|
+ val = DWC_HCFG_48_MHZ;
|
|
+ } else {
|
|
+ /* High speed PHY running at full speed or high speed */
|
|
+ val = DWC_HCFG_30_60_MHZ;
|
|
+ }
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "Initializing HCFG.FSLSPClkSel to 0x%1x\n", val);
|
|
+ hcfg.d32 = dwc_read_reg32(&core_if->host_if->host_global_regs->hcfg);
|
|
+ hcfg.b.fslspclksel = val;
|
|
+ dwc_write_reg32(&core_if->host_if->host_global_regs->hcfg, hcfg.d32);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Initializes the DevSpd field of the DCFG register depending on the PHY type
|
|
+ * and the enumeration speed of the device.
|
|
+ */
|
|
+static void init_devspd(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ uint32_t val;
|
|
+ union dcfg_data dcfg;
|
|
+
|
|
+ if (((core_if->hwcfg2.b.hs_phy_type == 2) &&
|
|
+ (core_if->hwcfg2.b.fs_phy_type == 1) &&
|
|
+ (core_if->core_params->ulpi_fs_ls)) ||
|
|
+ (core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) {
|
|
+ /* Full speed PHY */
|
|
+ val = 0x3;
|
|
+ } else if (core_if->core_params->speed == DWC_SPEED_PARAM_FULL) {
|
|
+ /* High speed PHY running at full speed */
|
|
+ val = 0x1;
|
|
+ } else {
|
|
+ /* High speed PHY running at high speed */
|
|
+ val = 0x0;
|
|
+ }
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "Initializing DCFG.DevSpd to 0x%1x\n", val);
|
|
+ dcfg.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dcfg);
|
|
+ dcfg.b.devspd = val;
|
|
+ dwc_write_reg32(&core_if->dev_if->dev_global_regs->dcfg, dcfg.d32);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function initializes the DWC_otg controller registers and
|
|
+ * prepares the core for device mode or host mode operation.
|
|
+ *
|
|
+ * @core_if: Programming view of the DWC_otg controller
|
|
+ *
|
|
+ */
|
|
+void dwc_otg_core_init(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ struct dwc_otg_dev_if *dev_if = core_if->dev_if;
|
|
+ int i = 0;
|
|
+ union gahbcfg_data ahbcfg = {.d32 = 0 };
|
|
+ union gusbcfg_data usbcfg = {.d32 = 0 };
|
|
+ union gi2cctl_data i2cctl = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "dwc_otg_core_init(%p)\n", core_if);
|
|
+
|
|
+ /* Common Initialization */
|
|
+
|
|
+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg);
|
|
+
|
|
+ /* Program the ULPI External VBUS bit if needed */
|
|
+ usbcfg.b.ulpi_ext_vbus_drv =
|
|
+ (core_if->core_params->phy_ulpi_ext_vbus ==
|
|
+ DWC_PHY_ULPI_EXTERNAL_VBUS) ? 1 : 0;
|
|
+
|
|
+ /* Set external TS Dline pulsing */
|
|
+ usbcfg.b.term_sel_dl_pulse =
|
|
+ (core_if->core_params->ts_dline == 1) ? 1 : 0;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+
|
|
+ /* Reset the Controller */
|
|
+ dwc_otg_core_reset(core_if);
|
|
+
|
|
+ /* Initialize parameters from Hardware configuration registers. */
|
|
+ dev_if->num_eps = core_if->hwcfg2.b.num_dev_ep;
|
|
+ dev_if->num_perio_eps = core_if->hwcfg4.b.num_dev_perio_in_ep;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "num_dev_perio_in_ep=%d\n",
|
|
+ core_if->hwcfg4.b.num_dev_perio_in_ep);
|
|
+ for (i = 0; i < core_if->hwcfg4.b.num_dev_perio_in_ep; i++) {
|
|
+ dev_if->perio_tx_fifo_size[i] =
|
|
+ dwc_read_reg32(&global_regs->dptxfsiz[i]) >> 16;
|
|
+ DWC_DEBUGPL(DBG_CIL, "Periodic Tx FIFO SZ #%d=0x%0x\n",
|
|
+ i, dev_if->perio_tx_fifo_size[i]);
|
|
+ }
|
|
+
|
|
+ core_if->total_fifo_size = core_if->hwcfg3.b.dfifo_depth;
|
|
+ core_if->rx_fifo_size = dwc_read_reg32(&global_regs->grxfsiz);
|
|
+ core_if->nperio_tx_fifo_size =
|
|
+ dwc_read_reg32(&global_regs->gnptxfsiz) >> 16;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "Total FIFO SZ=%d\n", core_if->total_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO SZ=%d\n", core_if->rx_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO SZ=%d\n",
|
|
+ core_if->nperio_tx_fifo_size);
|
|
+
|
|
+ /* This programming sequence needs to happen in FS mode before any other
|
|
+ * programming occurs */
|
|
+ if ((core_if->core_params->speed == DWC_SPEED_PARAM_FULL) &&
|
|
+ (core_if->core_params->phy_type == DWC_PHY_TYPE_PARAM_FS)) {
|
|
+ /* If FS mode with FS PHY */
|
|
+
|
|
+ /* core_init() is now called on every switch so only call the
|
|
+ * following for the first time through. */
|
|
+ if (!core_if->phy_init_done) {
|
|
+ core_if->phy_init_done = 1;
|
|
+ DWC_DEBUGPL(DBG_CIL, "FS_PHY detected\n");
|
|
+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg);
|
|
+ usbcfg.b.physel = 1;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+
|
|
+ /* Reset after a PHY select */
|
|
+ dwc_otg_core_reset(core_if);
|
|
+ }
|
|
+
|
|
+ /* Program DCFG.DevSpd or HCFG.FSLSPclkSel to 48Mhz in FS. Also
|
|
+ * do this on HNP Dev/Host mode switches (done in dev_init and
|
|
+ * host_init). */
|
|
+ if (dwc_otg_is_host_mode(core_if))
|
|
+ init_fslspclksel(core_if);
|
|
+ else
|
|
+ init_devspd(core_if);
|
|
+
|
|
+ if (core_if->core_params->i2c_enable) {
|
|
+ DWC_DEBUGPL(DBG_CIL, "FS_PHY Enabling I2c\n");
|
|
+ /* Program GUSBCFG.OtgUtmifsSel to I2C */
|
|
+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg);
|
|
+ usbcfg.b.otgutmifssel = 1;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+
|
|
+ /* Program GI2CCTL.I2CEn */
|
|
+ i2cctl.d32 = dwc_read_reg32(&global_regs->gi2cctl);
|
|
+ i2cctl.b.i2cdevaddr = 1;
|
|
+ i2cctl.b.i2cen = 0;
|
|
+ dwc_write_reg32(&global_regs->gi2cctl, i2cctl.d32);
|
|
+ i2cctl.b.i2cen = 1;
|
|
+ dwc_write_reg32(&global_regs->gi2cctl, i2cctl.d32);
|
|
+ }
|
|
+
|
|
+ }
|
|
+ /* endif speed == DWC_SPEED_PARAM_FULL */
|
|
+ else {
|
|
+ /* High speed PHY. */
|
|
+ if (!core_if->phy_init_done) {
|
|
+ core_if->phy_init_done = 1;
|
|
+ /* HS PHY parameters. These parameters are preserved
|
|
+ * during soft reset so only program the first time. Do
|
|
+ * a soft reset immediately after setting phyif. */
|
|
+ usbcfg.b.ulpi_utmi_sel =
|
|
+ (core_if->core_params->phy_type ==
|
|
+ DWC_PHY_TYPE_PARAM_ULPI);
|
|
+ if (usbcfg.b.ulpi_utmi_sel == 1) {
|
|
+ /* ULPI interface */
|
|
+ usbcfg.b.phyif = 0;
|
|
+ usbcfg.b.ddrsel =
|
|
+ core_if->core_params->phy_ulpi_ddr;
|
|
+ } else {
|
|
+ /* UTMI+ interface */
|
|
+ if (core_if->core_params->phy_utmi_width == 16)
|
|
+ usbcfg.b.phyif = 1;
|
|
+ else
|
|
+ usbcfg.b.phyif = 0;
|
|
+ }
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+
|
|
+ /* Reset after setting the PHY parameters */
|
|
+ dwc_otg_core_reset(core_if);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if ((core_if->hwcfg2.b.hs_phy_type == 2) &&
|
|
+ (core_if->hwcfg2.b.fs_phy_type == 1) &&
|
|
+ (core_if->core_params->ulpi_fs_ls)) {
|
|
+ DWC_DEBUGPL(DBG_CIL, "Setting ULPI FSLS\n");
|
|
+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg);
|
|
+ usbcfg.b.ulpi_fsls = 1;
|
|
+ usbcfg.b.ulpi_clk_sus_m = 1;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+ } else {
|
|
+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg);
|
|
+ usbcfg.b.ulpi_fsls = 0;
|
|
+ usbcfg.b.ulpi_clk_sus_m = 0;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+ }
|
|
+
|
|
+ /* Program the GAHBCFG Register. */
|
|
+ switch (core_if->hwcfg2.b.architecture) {
|
|
+
|
|
+ case DWC_SLAVE_ONLY_ARCH:
|
|
+ DWC_DEBUGPL(DBG_CIL, "Slave Only Mode\n");
|
|
+ ahbcfg.b.nptxfemplvl = DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY;
|
|
+ ahbcfg.b.ptxfemplvl = DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY;
|
|
+ core_if->dma_enable = 0;
|
|
+ break;
|
|
+
|
|
+ case DWC_EXT_DMA_ARCH:
|
|
+ DWC_DEBUGPL(DBG_CIL, "External DMA Mode\n");
|
|
+ ahbcfg.b.hburstlen = core_if->core_params->dma_burst_size;
|
|
+ core_if->dma_enable = (core_if->core_params->dma_enable != 0);
|
|
+ break;
|
|
+
|
|
+ case DWC_INT_DMA_ARCH:
|
|
+ DWC_DEBUGPL(DBG_CIL, "Internal DMA Mode\n");
|
|
+ ahbcfg.b.hburstlen = DWC_GAHBCFG_INT_DMA_BURST_INCR;
|
|
+ core_if->dma_enable = (core_if->core_params->dma_enable != 0);
|
|
+ break;
|
|
+
|
|
+ }
|
|
+ ahbcfg.b.dmaenable = core_if->dma_enable;
|
|
+ dwc_write_reg32(&global_regs->gahbcfg, ahbcfg.d32);
|
|
+
|
|
+ /*
|
|
+ * Program the GUSBCFG register.
|
|
+ */
|
|
+ usbcfg.d32 = dwc_read_reg32(&global_regs->gusbcfg);
|
|
+
|
|
+ switch (core_if->hwcfg2.b.op_mode) {
|
|
+ case DWC_MODE_HNP_SRP_CAPABLE:
|
|
+ usbcfg.b.hnpcap = (core_if->core_params->otg_cap ==
|
|
+ DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE);
|
|
+ usbcfg.b.srpcap = (core_if->core_params->otg_cap !=
|
|
+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE);
|
|
+ break;
|
|
+
|
|
+ case DWC_MODE_SRP_ONLY_CAPABLE:
|
|
+ usbcfg.b.hnpcap = 0;
|
|
+ usbcfg.b.srpcap = (core_if->core_params->otg_cap !=
|
|
+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE);
|
|
+ break;
|
|
+
|
|
+ case DWC_MODE_NO_HNP_SRP_CAPABLE:
|
|
+ usbcfg.b.hnpcap = 0;
|
|
+ usbcfg.b.srpcap = 0;
|
|
+ break;
|
|
+
|
|
+ case DWC_MODE_SRP_CAPABLE_DEVICE:
|
|
+ usbcfg.b.hnpcap = 0;
|
|
+ usbcfg.b.srpcap = (core_if->core_params->otg_cap !=
|
|
+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE);
|
|
+ break;
|
|
+
|
|
+ case DWC_MODE_NO_SRP_CAPABLE_DEVICE:
|
|
+ usbcfg.b.hnpcap = 0;
|
|
+ usbcfg.b.srpcap = 0;
|
|
+ break;
|
|
+
|
|
+ case DWC_MODE_SRP_CAPABLE_HOST:
|
|
+ usbcfg.b.hnpcap = 0;
|
|
+ usbcfg.b.srpcap = (core_if->core_params->otg_cap !=
|
|
+ DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE);
|
|
+ break;
|
|
+
|
|
+ case DWC_MODE_NO_SRP_CAPABLE_HOST:
|
|
+ usbcfg.b.hnpcap = 0;
|
|
+ usbcfg.b.srpcap = 0;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ dwc_write_reg32(&global_regs->gusbcfg, usbcfg.d32);
|
|
+
|
|
+ /* Enable common interrupts */
|
|
+ dwc_otg_enable_common_interrupts(core_if);
|
|
+
|
|
+ /* Do device or host intialization based on mode during PCD
|
|
+ * and HCD initialization */
|
|
+ if (dwc_otg_is_host_mode(core_if)) {
|
|
+ DWC_DEBUGPL(DBG_ANY, "Host Mode\n");
|
|
+ core_if->op_state = A_HOST;
|
|
+ } else {
|
|
+ DWC_DEBUGPL(DBG_ANY, "Device Mode\n");
|
|
+ core_if->op_state = B_PERIPHERAL;
|
|
+#ifdef DWC_DEVICE_ONLY
|
|
+ dwc_otg_core_dev_init(core_if);
|
|
+#endif
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function enables the Device mode interrupts.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller
|
|
+ */
|
|
+void dwc_otg_enable_device_interrupts(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "%s()\n", __func__);
|
|
+
|
|
+ /* Disable all interrupts. */
|
|
+ dwc_write_reg32(&global_regs->gintmsk, 0);
|
|
+
|
|
+ /* Clear any pending interrupts */
|
|
+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF);
|
|
+
|
|
+ /* Enable the common interrupts */
|
|
+ dwc_otg_enable_common_interrupts(core_if);
|
|
+
|
|
+ /* Enable interrupts */
|
|
+ intr_mask.b.usbreset = 1;
|
|
+ intr_mask.b.enumdone = 1;
|
|
+ intr_mask.b.epmismatch = 1;
|
|
+ intr_mask.b.inepintr = 1;
|
|
+ intr_mask.b.outepintr = 1;
|
|
+ intr_mask.b.erlysuspend = 1;
|
|
+
|
|
+#ifdef USE_PERIODIC_EP
|
|
+ /** @todo NGS: Should this be a module parameter? */
|
|
+ intr_mask.b.isooutdrop = 1;
|
|
+ intr_mask.b.eopframe = 1;
|
|
+ intr_mask.b.incomplisoin = 1;
|
|
+ intr_mask.b.incomplisoout = 1;
|
|
+#endif
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, intr_mask.d32);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "%s() gintmsk=%0x\n", __func__,
|
|
+ dwc_read_reg32(&global_regs->gintmsk));
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function initializes the DWC_otg controller registers for
|
|
+ * device mode.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller
|
|
+ *
|
|
+ */
|
|
+void dwc_otg_core_dev_init(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ struct dwc_otg_dev_if *dev_if = core_if->dev_if;
|
|
+ struct dwc_otg_core_params *params = core_if->core_params;
|
|
+ union dcfg_data dcfg = {.d32 = 0 };
|
|
+ union grstctl_data resetctl = {.d32 = 0 };
|
|
+ int i;
|
|
+ uint32_t rx_fifo_size;
|
|
+ union fifosize_data nptxfifosize;
|
|
+#ifdef USE_PERIODIC_EP
|
|
+ union fifosize_data ptxfifosize;
|
|
+#endif
|
|
+
|
|
+ /* Restart the Phy Clock */
|
|
+ dwc_write_reg32(core_if->pcgcctl, 0);
|
|
+
|
|
+ /* Device configuration register */
|
|
+ init_devspd(core_if);
|
|
+ dcfg.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dcfg);
|
|
+ dcfg.b.perfrint = DWC_DCFG_FRAME_INTERVAL_80;
|
|
+ dwc_write_reg32(&dev_if->dev_global_regs->dcfg, dcfg.d32);
|
|
+
|
|
+ /* Configure data FIFO sizes */
|
|
+ if (core_if->hwcfg2.b.dynamic_fifo && params->enable_dynamic_fifo) {
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "Total FIFO Size=%d\n",
|
|
+ core_if->total_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO Size=%d\n",
|
|
+ params->dev_rx_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO Size=%d\n",
|
|
+ params->dev_nperio_tx_fifo_size);
|
|
+
|
|
+ /* Rx FIFO */
|
|
+ DWC_DEBUGPL(DBG_CIL, "initial grxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->grxfsiz));
|
|
+ rx_fifo_size = params->dev_rx_fifo_size;
|
|
+ dwc_write_reg32(&global_regs->grxfsiz, rx_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "new grxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->grxfsiz));
|
|
+
|
|
+ /* Non-periodic Tx FIFO */
|
|
+ DWC_DEBUGPL(DBG_CIL, "initial gnptxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->gnptxfsiz));
|
|
+ nptxfifosize.b.depth = params->dev_nperio_tx_fifo_size;
|
|
+ nptxfifosize.b.startaddr = params->dev_rx_fifo_size;
|
|
+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32);
|
|
+ DWC_DEBUGPL(DBG_CIL, "new gnptxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->gnptxfsiz));
|
|
+
|
|
+#ifdef USE_PERIODIC_EP
|
|
+ /**@todo NGS: Fix Periodic FIFO Sizing! */
|
|
+ /*
|
|
+ * Periodic Tx FIFOs These FIFOs are numbered from 1 to 15.
|
|
+ * Indexes of the FIFO size module parameters in the
|
|
+ * dev_perio_tx_fifo_size array and the FIFO size registers in
|
|
+ * the dptxfsiz array run from 0 to 14.
|
|
+ */
|
|
+ /** @todo Finish debug of this */
|
|
+ ptxfifosize.b.startaddr =
|
|
+ nptxfifosize.b.startaddr + nptxfifosize.b.depth;
|
|
+ for (i = 0; i < dev_if->num_perio_eps; i++) {
|
|
+ ptxfifosize.b.depth = params->dev_perio_tx_fifo_size[i];
|
|
+ DWC_DEBUGPL(DBG_CIL, "initial dptxfsiz[%d]=%08x\n", i,
|
|
+ dwc_read_reg32(&global_regs->dptxfsiz[i]));
|
|
+ dwc_write_reg32(&global_regs->dptxfsiz[i],
|
|
+ ptxfifosize.d32);
|
|
+ DWC_DEBUGPL(DBG_CIL, "new dptxfsiz[%d]=%08x\n", i,
|
|
+ dwc_read_reg32(&global_regs->dptxfsiz[i]));
|
|
+ ptxfifosize.b.startaddr += ptxfifosize.b.depth;
|
|
+ }
|
|
+#endif
|
|
+ }
|
|
+ /* Flush the FIFOs */
|
|
+ dwc_otg_flush_tx_fifo(core_if, 0x10); /* all Tx FIFOs */
|
|
+ dwc_otg_flush_rx_fifo(core_if);
|
|
+
|
|
+ /* Flush the Learning Queue. */
|
|
+ resetctl.b.intknqflsh = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->grstctl, resetctl.d32);
|
|
+
|
|
+ /* Clear all pending Device Interrupts */
|
|
+ dwc_write_reg32(&dev_if->dev_global_regs->diepmsk, 0);
|
|
+ dwc_write_reg32(&dev_if->dev_global_regs->doepmsk, 0);
|
|
+ dwc_write_reg32(&dev_if->dev_global_regs->daint, 0xFFFFFFFF);
|
|
+ dwc_write_reg32(&dev_if->dev_global_regs->daintmsk, 0);
|
|
+
|
|
+ for (i = 0; i < dev_if->num_eps; i++) {
|
|
+ union depctl_data depctl;
|
|
+ depctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[i]->diepctl);
|
|
+ if (depctl.b.epena) {
|
|
+ depctl.d32 = 0;
|
|
+ depctl.b.epdis = 1;
|
|
+ depctl.b.snak = 1;
|
|
+ } else {
|
|
+ depctl.d32 = 0;
|
|
+ }
|
|
+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepctl, depctl.d32);
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[i]->doepctl);
|
|
+ if (depctl.b.epena) {
|
|
+ depctl.d32 = 0;
|
|
+ depctl.b.epdis = 1;
|
|
+ depctl.b.snak = 1;
|
|
+ } else {
|
|
+ depctl.d32 = 0;
|
|
+ }
|
|
+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepctl, depctl.d32);
|
|
+
|
|
+ dwc_write_reg32(&dev_if->in_ep_regs[i]->dieptsiz, 0);
|
|
+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doeptsiz, 0);
|
|
+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepdma, 0);
|
|
+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepdma, 0);
|
|
+ dwc_write_reg32(&dev_if->in_ep_regs[i]->diepint, 0xFF);
|
|
+ dwc_write_reg32(&dev_if->out_ep_regs[i]->doepint, 0xFF);
|
|
+ }
|
|
+
|
|
+ dwc_otg_enable_device_interrupts(core_if);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function enables the Host mode interrupts.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller
|
|
+ */
|
|
+void dwc_otg_enable_host_interrupts(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL, "%s()\n", __func__);
|
|
+
|
|
+ /* Disable all interrupts. */
|
|
+ dwc_write_reg32(&global_regs->gintmsk, 0);
|
|
+
|
|
+ /* Clear any pending interrupts. */
|
|
+ dwc_write_reg32(&global_regs->gintsts, 0xFFFFFFFF);
|
|
+
|
|
+ /* Enable the common interrupts */
|
|
+ dwc_otg_enable_common_interrupts(core_if);
|
|
+
|
|
+ /*
|
|
+ * Enable host mode interrupts without disturbing common
|
|
+ * interrupts.
|
|
+ */
|
|
+ intr_mask.b.sofintr = 1;
|
|
+ intr_mask.b.portintr = 1;
|
|
+ intr_mask.b.hcintr = 1;
|
|
+
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, intr_mask.d32);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function disables the Host Mode interrupts.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller
|
|
+ */
|
|
+void dwc_otg_disable_host_interrupts(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "%s()\n", __func__);
|
|
+
|
|
+ /*
|
|
+ * Disable host mode interrupts without disturbing common
|
|
+ * interrupts.
|
|
+ */
|
|
+ intr_mask.b.sofintr = 1;
|
|
+ intr_mask.b.portintr = 1;
|
|
+ intr_mask.b.hcintr = 1;
|
|
+ intr_mask.b.ptxfempty = 1;
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32, 0);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * The FIFOs are established based on a default percentage of the
|
|
+ * total FIFO depth. This function converts the percentage into the
|
|
+ * proper setting.
|
|
+ *
|
|
+ */
|
|
+static inline uint32_t fifo_percentage(uint16_t total_fifo_size,
|
|
+ int32_t percentage)
|
|
+{
|
|
+ /* 16-byte aligned */
|
|
+ return ((total_fifo_size * percentage) / 100) & (-1 << 3);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function initializes the DWC_otg controller registers for
|
|
+ * host mode.
|
|
+ *
|
|
+ * This function flushes the Tx and Rx FIFOs and it flushes any entries in the
|
|
+ * request queues. Host channels are reset to ensure that they are ready for
|
|
+ * performing transfers.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller
|
|
+ *
|
|
+ */
|
|
+void dwc_otg_core_host_init(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ struct dwc_otg_host_if *host_if = core_if->host_if;
|
|
+ struct dwc_otg_core_params *params = core_if->core_params;
|
|
+ union hprt0_data hprt0 = {.d32 = 0 };
|
|
+ union fifosize_data nptxfifosize;
|
|
+ union fifosize_data ptxfifosize;
|
|
+ int i;
|
|
+ union hcchar_data hcchar;
|
|
+ union hcfg_data hcfg;
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+ int num_channels;
|
|
+ union gotgctl_data gotgctl = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "%s(%p)\n", __func__, core_if);
|
|
+
|
|
+ /* Restart the Phy Clock */
|
|
+ dwc_write_reg32(core_if->pcgcctl, 0);
|
|
+
|
|
+ /* Initialize Host Configuration Register */
|
|
+ init_fslspclksel(core_if);
|
|
+ if (core_if->core_params->speed == DWC_SPEED_PARAM_FULL) {
|
|
+ hcfg.d32 = dwc_read_reg32(&host_if->host_global_regs->hcfg);
|
|
+ hcfg.b.fslssupp = 1;
|
|
+ dwc_write_reg32(&host_if->host_global_regs->hcfg, hcfg.d32);
|
|
+ }
|
|
+
|
|
+ /* Configure data FIFO sizes */
|
|
+ if (core_if->hwcfg2.b.dynamic_fifo && params->enable_dynamic_fifo) {
|
|
+ DWC_DEBUGPL(DBG_CIL, "Total FIFO Size=%d\n",
|
|
+ core_if->total_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "Rx FIFO Size=%d\n",
|
|
+ params->host_rx_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "NP Tx FIFO Size=%d\n",
|
|
+ params->host_nperio_tx_fifo_size);
|
|
+ DWC_DEBUGPL(DBG_CIL, "P Tx FIFO Size=%d\n",
|
|
+ params->host_perio_tx_fifo_size);
|
|
+
|
|
+ /* Rx FIFO */
|
|
+ DWC_DEBUGPL(DBG_CIL, "initial grxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->grxfsiz));
|
|
+ dwc_write_reg32(&global_regs->grxfsiz,
|
|
+ fifo_percentage(core_if->total_fifo_size,
|
|
+ dwc_param_host_rx_fifo_size_percentage));
|
|
+ DWC_DEBUGPL(DBG_CIL, "new grxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->grxfsiz));
|
|
+
|
|
+ /* Non-periodic Tx FIFO */
|
|
+ DWC_DEBUGPL(DBG_CIL, "initial gnptxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->gnptxfsiz));
|
|
+ nptxfifosize.b.depth =
|
|
+ fifo_percentage(core_if->total_fifo_size,
|
|
+ dwc_param_host_nperio_tx_fifo_size_percentage);
|
|
+ nptxfifosize.b.startaddr =
|
|
+ dwc_read_reg32(&global_regs->grxfsiz);
|
|
+ dwc_write_reg32(&global_regs->gnptxfsiz, nptxfifosize.d32);
|
|
+ DWC_DEBUGPL(DBG_CIL, "new gnptxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->gnptxfsiz));
|
|
+
|
|
+ /* Periodic Tx FIFO */
|
|
+ DWC_DEBUGPL(DBG_CIL, "initial hptxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->hptxfsiz));
|
|
+ ptxfifosize.b.depth =
|
|
+ core_if->total_fifo_size -
|
|
+ dwc_read_reg32(&global_regs->grxfsiz) -
|
|
+ nptxfifosize.b.depth;
|
|
+ ptxfifosize.b.startaddr =
|
|
+ nptxfifosize.b.startaddr + nptxfifosize.b.depth;
|
|
+ dwc_write_reg32(&global_regs->hptxfsiz, ptxfifosize.d32);
|
|
+ DWC_DEBUGPL(DBG_CIL, "new hptxfsiz=%08x\n",
|
|
+ dwc_read_reg32(&global_regs->hptxfsiz));
|
|
+ }
|
|
+
|
|
+ /* Clear Host Set HNP Enable in the OTG Control Register */
|
|
+ gotgctl.b.hstsethnpen = 1;
|
|
+ dwc_modify_reg32(&global_regs->gotgctl, gotgctl.d32, 0);
|
|
+
|
|
+ /* Make sure the FIFOs are flushed. */
|
|
+ dwc_otg_flush_tx_fifo(core_if, 0x10); /* all Tx FIFOs */
|
|
+ dwc_otg_flush_rx_fifo(core_if);
|
|
+
|
|
+ /* Flush out any leftover queued requests. */
|
|
+ num_channels = core_if->core_params->host_channels;
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ hc_regs = core_if->host_if->hc_regs[i];
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.chen = 0;
|
|
+ hcchar.b.chdis = 1;
|
|
+ hcchar.b.epdir = 0;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+ }
|
|
+
|
|
+ /* Halt all channels to put them into a known state. */
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ int count = 0;
|
|
+ hc_regs = core_if->host_if->hc_regs[i];
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.chen = 1;
|
|
+ hcchar.b.chdis = 1;
|
|
+ hcchar.b.epdir = 0;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s: Halt channel %d\n", __func__, i);
|
|
+ do {
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (++count > 1000) {
|
|
+ DWC_ERROR
|
|
+ ("%s: Unable to clear halt on channel %d\n",
|
|
+ __func__, i);
|
|
+ break;
|
|
+ }
|
|
+ } while (hcchar.b.chen);
|
|
+ }
|
|
+
|
|
+ /* Turn on the vbus power. */
|
|
+ DWC_PRINT("Init: Port Power? op_state=%d\n", core_if->op_state);
|
|
+ if (core_if->op_state == A_HOST) {
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ DWC_PRINT("Init: Power Port (%d)\n", hprt0.b.prtpwr);
|
|
+ if (hprt0.b.prtpwr == 0) {
|
|
+ hprt0.b.prtpwr = 1;
|
|
+ dwc_write_reg32(host_if->hprt0, hprt0.d32);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ dwc_otg_enable_host_interrupts(core_if);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Prepares a host channel for transferring packets to/from a specific
|
|
+ * endpoint. The HCCHARn register is set up with the characteristics specified
|
|
+ * in hc. Host channel interrupts that may need to be serviced while this
|
|
+ * transfer is in progress are enabled.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller
|
|
+ * @hc: Information needed to initialize the host channel
|
|
+ */
|
|
+void dwc_otg_hc_init(struct dwc_otg_core_if *core_if, struct dwc_hc *hc)
|
|
+{
|
|
+ uint32_t intr_enable;
|
|
+ union hcintmsk_data hc_intr_mask;
|
|
+ union gintmsk_data gintmsk = {.d32 = 0 };
|
|
+ union hcchar_data hcchar;
|
|
+ union hcsplt_data hcsplt;
|
|
+
|
|
+ uint8_t hc_num = hc->hc_num;
|
|
+ struct dwc_otg_host_if *host_if = core_if->host_if;
|
|
+ struct dwc_otg_hc_regs *hc_regs = host_if->hc_regs[hc_num];
|
|
+
|
|
+ /* Clear old interrupt conditions for this host channel. */
|
|
+ hc_intr_mask.d32 = 0xFFFFFFFF;
|
|
+ hc_intr_mask.b.reserved = 0;
|
|
+ dwc_write_reg32(&hc_regs->hcint, hc_intr_mask.d32);
|
|
+
|
|
+ /* Enable channel interrupts required for this transfer. */
|
|
+ hc_intr_mask.d32 = 0;
|
|
+ hc_intr_mask.b.chhltd = 1;
|
|
+ if (core_if->dma_enable) {
|
|
+ hc_intr_mask.b.ahberr = 1;
|
|
+ if (hc->error_state && !hc->do_split &&
|
|
+ hc->ep_type != DWC_OTG_EP_TYPE_ISOC) {
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+ if (hc->ep_is_in) {
|
|
+ hc_intr_mask.b.datatglerr = 1;
|
|
+ if (hc->ep_type != DWC_OTG_EP_TYPE_INTR)
|
|
+ hc_intr_mask.b.nak = 1;
|
|
+ }
|
|
+ }
|
|
+ } else {
|
|
+ switch (hc->ep_type) {
|
|
+ case DWC_OTG_EP_TYPE_CONTROL:
|
|
+ case DWC_OTG_EP_TYPE_BULK:
|
|
+ hc_intr_mask.b.xfercompl = 1;
|
|
+ hc_intr_mask.b.stall = 1;
|
|
+ hc_intr_mask.b.xacterr = 1;
|
|
+ hc_intr_mask.b.datatglerr = 1;
|
|
+ if (hc->ep_is_in) {
|
|
+ hc_intr_mask.b.bblerr = 1;
|
|
+ } else {
|
|
+ hc_intr_mask.b.nak = 1;
|
|
+ hc_intr_mask.b.nyet = 1;
|
|
+ if (hc->do_ping)
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+ }
|
|
+
|
|
+ if (hc->do_split) {
|
|
+ hc_intr_mask.b.nak = 1;
|
|
+ if (hc->complete_split)
|
|
+ hc_intr_mask.b.nyet = 1;
|
|
+ else
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+ }
|
|
+
|
|
+ if (hc->error_state)
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+ break;
|
|
+ case DWC_OTG_EP_TYPE_INTR:
|
|
+ hc_intr_mask.b.xfercompl = 1;
|
|
+ hc_intr_mask.b.nak = 1;
|
|
+ hc_intr_mask.b.stall = 1;
|
|
+ hc_intr_mask.b.xacterr = 1;
|
|
+ hc_intr_mask.b.datatglerr = 1;
|
|
+ hc_intr_mask.b.frmovrun = 1;
|
|
+
|
|
+ if (hc->ep_is_in)
|
|
+ hc_intr_mask.b.bblerr = 1;
|
|
+ if (hc->error_state)
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+ if (hc->do_split) {
|
|
+ if (hc->complete_split)
|
|
+ hc_intr_mask.b.nyet = 1;
|
|
+ else
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+ }
|
|
+ break;
|
|
+ case DWC_OTG_EP_TYPE_ISOC:
|
|
+ hc_intr_mask.b.xfercompl = 1;
|
|
+ hc_intr_mask.b.frmovrun = 1;
|
|
+ hc_intr_mask.b.ack = 1;
|
|
+
|
|
+ if (hc->ep_is_in) {
|
|
+ hc_intr_mask.b.xacterr = 1;
|
|
+ hc_intr_mask.b.bblerr = 1;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, hc_intr_mask.d32);
|
|
+
|
|
+ /* Enable the top level host channel interrupt. */
|
|
+ intr_enable = (1 << hc_num);
|
|
+ dwc_modify_reg32(&host_if->host_global_regs->haintmsk, 0, intr_enable);
|
|
+
|
|
+ /* Make sure host channel interrupts are enabled. */
|
|
+ gintmsk.b.hcintr = 1;
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, 0, gintmsk.d32);
|
|
+
|
|
+ /*
|
|
+ * Program the HCCHARn register with the endpoint characteristics for
|
|
+ * the current transfer.
|
|
+ */
|
|
+ hcchar.d32 = 0;
|
|
+ hcchar.b.devaddr = hc->dev_addr;
|
|
+ hcchar.b.epnum = hc->ep_num;
|
|
+ hcchar.b.epdir = hc->ep_is_in;
|
|
+ hcchar.b.lspddev = (hc->speed == DWC_OTG_EP_SPEED_LOW);
|
|
+ hcchar.b.eptype = hc->ep_type;
|
|
+ hcchar.b.mps = hc->max_packet;
|
|
+
|
|
+ dwc_write_reg32(&host_if->hc_regs[hc_num]->hcchar, hcchar.d32);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Dev Addr: %d\n", hcchar.b.devaddr);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Ep Num: %d\n", hcchar.b.epnum);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Is In: %d\n", hcchar.b.epdir);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Is Low Speed: %d\n", hcchar.b.lspddev);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Ep Type: %d\n", hcchar.b.eptype);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n", hcchar.b.mps);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Multi Cnt: %d\n", hcchar.b.multicnt);
|
|
+
|
|
+ /*
|
|
+ * Program the HCSPLIT register for SPLITs
|
|
+ */
|
|
+ hcsplt.d32 = 0;
|
|
+ if (hc->do_split) {
|
|
+ DWC_DEBUGPL(DBG_HCDV, "Programming HC %d with split --> %s\n",
|
|
+ hc->hc_num,
|
|
+ hc->complete_split ? "CSPLIT" : "SSPLIT");
|
|
+ hcsplt.b.compsplt = hc->complete_split;
|
|
+ hcsplt.b.xactpos = hc->xact_pos;
|
|
+ hcsplt.b.hubaddr = hc->hub_addr;
|
|
+ hcsplt.b.prtaddr = hc->port_addr;
|
|
+ DWC_DEBUGPL(DBG_HCDV, " comp split %d\n",
|
|
+ hc->complete_split);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " xact pos %d\n", hc->xact_pos);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hub addr %d\n", hc->hub_addr);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " port addr %d\n", hc->port_addr);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " is_in %d\n", hc->ep_is_in);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n", hcchar.b.mps);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " xferlen: %d\n", hc->xfer_len);
|
|
+ }
|
|
+ dwc_write_reg32(&host_if->hc_regs[hc_num]->hcsplt, hcsplt.d32);
|
|
+
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Attempts to halt a host channel. This function should only be called in
|
|
+ * Slave mode or to abort a transfer in either Slave mode or DMA mode. Under
|
|
+ * normal circumstances in DMA mode, the controller halts the channel when the
|
|
+ * transfer is complete or a condition occurs that requires application
|
|
+ * intervention.
|
|
+ *
|
|
+ * In slave mode, checks for a free request queue entry, then sets the Channel
|
|
+ * Enable and Channel Disable bits of the Host Channel Characteristics
|
|
+ * register of the specified channel to intiate the halt. If there is no free
|
|
+ * request queue entry, sets only the Channel Disable bit of the HCCHARn
|
|
+ * register to flush requests for this channel. In the latter case, sets a
|
|
+ * flag to indicate that the host channel needs to be halted when a request
|
|
+ * queue slot is open.
|
|
+ *
|
|
+ * In DMA mode, always sets the Channel Enable and Channel Disable bits of the
|
|
+ * HCCHARn register. The controller ensures there is space in the request
|
|
+ * queue before submitting the halt request.
|
|
+ *
|
|
+ * Some time may elapse before the core flushes any posted requests for this
|
|
+ * host channel and halts. The Channel Halted interrupt handler completes the
|
|
+ * deactivation of the host channel.
|
|
+ *
|
|
+ * @core_if: Controller register interface.
|
|
+ * @hc: Host channel to halt.
|
|
+ * @halt_status: Reason for halting the channel.
|
|
+ */
|
|
+void dwc_otg_hc_halt(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc, enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ union gnptxsts_data nptxsts;
|
|
+ union hptxsts_data hptxsts;
|
|
+ union hcchar_data hcchar;
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+ struct dwc_otg_core_global_regs *global_regs;
|
|
+ struct dwc_otg_host_global_regs *host_global_regs;
|
|
+
|
|
+ hc_regs = core_if->host_if->hc_regs[hc->hc_num];
|
|
+ global_regs = core_if->core_global_regs;
|
|
+ host_global_regs = core_if->host_if->host_global_regs;
|
|
+
|
|
+ WARN_ON(halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS);
|
|
+
|
|
+ if (halt_status == DWC_OTG_HC_XFER_URB_DEQUEUE ||
|
|
+ halt_status == DWC_OTG_HC_XFER_AHB_ERR) {
|
|
+ /*
|
|
+ * Disable all channel interrupts except Ch Halted. The QTD
|
|
+ * and QH state associated with this transfer has been cleared
|
|
+ * (in the case of URB_DEQUEUE), so the channel needs to be
|
|
+ * shut down carefully to prevent crashes.
|
|
+ */
|
|
+ union hcintmsk_data hcintmsk;
|
|
+ hcintmsk.d32 = 0;
|
|
+ hcintmsk.b.chhltd = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, hcintmsk.d32);
|
|
+
|
|
+ /*
|
|
+ * Make sure no other interrupts besides halt are currently
|
|
+ * pending. Handling another interrupt could cause a crash due
|
|
+ * to the QTD and QH state.
|
|
+ */
|
|
+ dwc_write_reg32(&hc_regs->hcint, ~hcintmsk.d32);
|
|
+
|
|
+ /*
|
|
+ * Make sure the halt status is set to URB_DEQUEUE or AHB_ERR
|
|
+ * even if the channel was already halted for some other
|
|
+ * reason.
|
|
+ */
|
|
+ hc->halt_status = halt_status;
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chen == 0) {
|
|
+ /*
|
|
+ * The channel is either already halted or it hasn't
|
|
+ * started yet. In DMA mode, the transfer may halt if
|
|
+ * it finishes normally or a condition occurs that
|
|
+ * requires driver intervention. Don't want to halt
|
|
+ * the channel again. In either Slave or DMA mode,
|
|
+ * it's possible that the transfer has been assigned
|
|
+ * to a channel, but not started yet when an URB is
|
|
+ * dequeued. Don't want to halt a channel that hasn't
|
|
+ * started yet.
|
|
+ */
|
|
+ return;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (hc->halt_pending) {
|
|
+ /*
|
|
+ * A halt has already been issued for this channel. This might
|
|
+ * happen when a transfer is aborted by a higher level in
|
|
+ * the stack.
|
|
+ */
|
|
+#ifdef DEBUG
|
|
+ DWC_PRINT
|
|
+ ("*** %s: Channel %d, hc->halt_pending already set ***\n",
|
|
+ __func__, hc->hc_num);
|
|
+
|
|
+/* dwc_otg_dump_global_registers(core_if); */
|
|
+/* dwc_otg_dump_host_registers(core_if); */
|
|
+#endif
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.chen = 1;
|
|
+ hcchar.b.chdis = 1;
|
|
+
|
|
+ if (!core_if->dma_enable) {
|
|
+ /* Check for space in the request queue to issue the halt. */
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_CONTROL ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_BULK) {
|
|
+ nptxsts.d32 = dwc_read_reg32(&global_regs->gnptxsts);
|
|
+ if (nptxsts.b.nptxqspcavail == 0)
|
|
+ hcchar.b.chen = 0;
|
|
+ } else {
|
|
+ hptxsts.d32 =
|
|
+ dwc_read_reg32(&host_global_regs->hptxsts);
|
|
+ if ((hptxsts.b.ptxqspcavail == 0)
|
|
+ || (core_if->queuing_high_bandwidth)) {
|
|
+ hcchar.b.chen = 0;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ hc->halt_status = halt_status;
|
|
+
|
|
+ if (hcchar.b.chen) {
|
|
+ hc->halt_pending = 1;
|
|
+ hc->halt_on_queue = 0;
|
|
+ } else {
|
|
+ hc->halt_on_queue = 1;
|
|
+ }
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hcchar: 0x%08x\n", hcchar.d32);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " halt_pending: %d\n", hc->halt_pending);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " halt_on_queue: %d\n", hc->halt_on_queue);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " halt_status: %d\n", hc->halt_status);
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Clears the transfer state for a host channel. This function is normally
|
|
+ * called after a transfer is done and the host channel is being released.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @hc: Identifies the host channel to clean up.
|
|
+ */
|
|
+void dwc_otg_hc_cleanup(struct dwc_otg_core_if *core_if, struct dwc_hc *hc)
|
|
+{
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+
|
|
+ hc->xfer_started = 0;
|
|
+
|
|
+ /*
|
|
+ * Clear channel interrupt enables and any unhandled channel interrupt
|
|
+ * conditions.
|
|
+ */
|
|
+ hc_regs = core_if->host_if->hc_regs[hc->hc_num];
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, 0);
|
|
+ dwc_write_reg32(&hc_regs->hcint, 0xFFFFFFFF);
|
|
+
|
|
+#ifdef DEBUG
|
|
+ del_timer(&core_if->hc_xfer_timer[hc->hc_num]);
|
|
+ {
|
|
+ union hcchar_data hcchar;
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chdis) {
|
|
+ DWC_WARN("%s: chdis set, channel %d, hcchar 0x%08x\n",
|
|
+ __func__, hc->hc_num, hcchar.d32);
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Sets the channel property that indicates in which frame a periodic transfer
|
|
+ * should occur. This is always set to the _next_ frame. This function has no
|
|
+ * effect on non-periodic transfers.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @hc: Identifies the host channel to set up and its properties.
|
|
+ * @hcchar: Current value of the HCCHAR register for the specified host
|
|
+ * channel.
|
|
+ */
|
|
+static inline void hc_set_even_odd_frame(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc,
|
|
+ union hcchar_data *hcchar)
|
|
+{
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ union hfnum_data hfnum;
|
|
+ hfnum.d32 =
|
|
+ dwc_read_reg32(&core_if->host_if->host_global_regs->hfnum);
|
|
+ /* 1 if _next_ frame is odd, 0 if it's even */
|
|
+ hcchar->b.oddfrm = (hfnum.b.frnum & 0x1) ? 0 : 1;
|
|
+#ifdef DEBUG
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR && hc->do_split
|
|
+ && !hc->complete_split) {
|
|
+ switch (hfnum.b.frnum & 0x7) {
|
|
+ case 7:
|
|
+ core_if->hfnum_7_samples++;
|
|
+ core_if->hfnum_7_frrem_accum += hfnum.b.frrem;
|
|
+ break;
|
|
+ case 0:
|
|
+ core_if->hfnum_0_samples++;
|
|
+ core_if->hfnum_0_frrem_accum += hfnum.b.frrem;
|
|
+ break;
|
|
+ default:
|
|
+ core_if->hfnum_other_samples++;
|
|
+ core_if->hfnum_other_frrem_accum +=
|
|
+ hfnum.b.frrem;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+ }
|
|
+}
|
|
+
|
|
+#ifdef DEBUG
|
|
+static void hc_xfer_timeout(unsigned long _ptr)
|
|
+{
|
|
+ struct hc_xfer_info *xfer_info = (struct hc_xfer_info *) _ptr;
|
|
+ int hc_num = xfer_info->hc->hc_num;
|
|
+ DWC_WARN("%s: timeout on channel %d\n", __func__, hc_num);
|
|
+ DWC_WARN(" start_hcchar_val 0x%08x\n",
|
|
+ xfer_info->core_if->start_hcchar_val[hc_num]);
|
|
+}
|
|
+#endif
|
|
+
|
|
+/**
|
|
+ * This function does the setup for a data transfer for a host channel and
|
|
+ * starts the transfer. May be called in either Slave mode or DMA mode. In
|
|
+ * Slave mode, the caller must ensure that there is sufficient space in the
|
|
+ * request queue and Tx Data FIFO.
|
|
+ *
|
|
+ * For an OUT transfer in Slave mode, it loads a data packet into the
|
|
+ * appropriate FIFO. If necessary, additional data packets will be loaded in
|
|
+ * the Host ISR.
|
|
+ *
|
|
+ * For an IN transfer in Slave mode, a data packet is requested. The data
|
|
+ * packets are unloaded from the Rx FIFO in the Host ISR. If necessary,
|
|
+ * additional data packets are requested in the Host ISR.
|
|
+ *
|
|
+ * For a PING transfer in Slave mode, the Do Ping bit is set in the HCTSIZ
|
|
+ * register along with a packet count of 1 and the channel is enabled. This
|
|
+ * causes a single PING transaction to occur. Other fields in HCTSIZ are
|
|
+ * simply set to 0 since no data transfer occurs in this case.
|
|
+ *
|
|
+ * For a PING transfer in DMA mode, the HCTSIZ register is initialized with
|
|
+ * all the information required to perform the subsequent data transfer. In
|
|
+ * addition, the Do Ping bit is set in the HCTSIZ register. In this case, the
|
|
+ * controller performs the entire PING protocol, then starts the data
|
|
+ * transfer.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @hc: Information needed to initialize the host channel. The xfer_len
|
|
+ * value may be reduced to accommodate the max widths of the XferSize and
|
|
+ * PktCnt fields in the HCTSIZn register. The multi_count value may be changed
|
|
+ * to reflect the final xfer_len value.
|
|
+ */
|
|
+void dwc_otg_hc_start_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc)
|
|
+{
|
|
+ union hcchar_data hcchar;
|
|
+ union hctsiz_data hctsiz;
|
|
+ uint16_t num_packets;
|
|
+ uint32_t max_hc_xfer_size = core_if->core_params->max_transfer_size;
|
|
+ uint16_t max_hc_pkt_count = core_if->core_params->max_packet_count;
|
|
+ struct dwc_otg_hc_regs *hc_regs = core_if->host_if->hc_regs[hc->hc_num];
|
|
+
|
|
+ hctsiz.d32 = 0;
|
|
+
|
|
+ if (hc->do_ping) {
|
|
+ if (!core_if->dma_enable) {
|
|
+ dwc_otg_hc_do_ping(core_if, hc);
|
|
+ hc->xfer_started = 1;
|
|
+ return;
|
|
+ } else {
|
|
+ hctsiz.b.dopng = 1;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (hc->do_split) {
|
|
+ num_packets = 1;
|
|
+
|
|
+ if (hc->complete_split && !hc->ep_is_in) {
|
|
+ /* For CSPLIT OUT Transfer, set the size to 0 so the
|
|
+ * core doesn't expect any data written to the FIFO */
|
|
+ hc->xfer_len = 0;
|
|
+ } else if (hc->ep_is_in || (hc->xfer_len > hc->max_packet)) {
|
|
+ hc->xfer_len = hc->max_packet;
|
|
+ } else if (!hc->ep_is_in && (hc->xfer_len > 188)) {
|
|
+ hc->xfer_len = 188;
|
|
+ }
|
|
+
|
|
+ hctsiz.b.xfersize = hc->xfer_len;
|
|
+ } else {
|
|
+ /*
|
|
+ * Ensure that the transfer length and packet count will fit
|
|
+ * in the widths allocated for them in the HCTSIZn register.
|
|
+ */
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ /*
|
|
+ * Make sure the transfer size is no larger than one
|
|
+ * (micro)frame's worth of data. (A check was done
|
|
+ * when the periodic transfer was accepted to ensure
|
|
+ * that a (micro)frame's worth of data can be
|
|
+ * programmed into a channel.)
|
|
+ */
|
|
+ uint32_t max_periodic_len =
|
|
+ hc->multi_count * hc->max_packet;
|
|
+ if (hc->xfer_len > max_periodic_len)
|
|
+ hc->xfer_len = max_periodic_len;
|
|
+ } else if (hc->xfer_len > max_hc_xfer_size) {
|
|
+ /*
|
|
+ * Make sure that xfer_len is a multiple of
|
|
+ * max packet size.
|
|
+ */
|
|
+ hc->xfer_len = max_hc_xfer_size - hc->max_packet + 1;
|
|
+ }
|
|
+
|
|
+ if (hc->xfer_len > 0) {
|
|
+ num_packets =
|
|
+ (hc->xfer_len + hc->max_packet -
|
|
+ 1) / hc->max_packet;
|
|
+ if (num_packets > max_hc_pkt_count) {
|
|
+ num_packets = max_hc_pkt_count;
|
|
+ hc->xfer_len = num_packets * hc->max_packet;
|
|
+ }
|
|
+ } else {
|
|
+ /* Need 1 packet for transfer length of 0. */
|
|
+ num_packets = 1;
|
|
+ }
|
|
+
|
|
+ if (hc->ep_is_in) {
|
|
+ /*
|
|
+ * Always program an integral # of max packets
|
|
+ * for IN transfers.
|
|
+ */
|
|
+ hc->xfer_len = num_packets * hc->max_packet;
|
|
+ }
|
|
+
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ /*
|
|
+ * Make sure that the multi_count field matches the
|
|
+ * actual transfer length.
|
|
+ */
|
|
+ hc->multi_count = num_packets;
|
|
+
|
|
+ }
|
|
+
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ /* Set up the initial PID for the transfer. */
|
|
+ if (hc->speed == DWC_OTG_EP_SPEED_HIGH) {
|
|
+ if (hc->ep_is_in) {
|
|
+ if (hc->multi_count == 1) {
|
|
+ hc->data_pid_start =
|
|
+ DWC_OTG_HC_PID_DATA0;
|
|
+ } else if (hc->multi_count == 2) {
|
|
+ hc->data_pid_start =
|
|
+ DWC_OTG_HC_PID_DATA1;
|
|
+ } else {
|
|
+ hc->data_pid_start =
|
|
+ DWC_OTG_HC_PID_DATA2;
|
|
+ }
|
|
+ } else {
|
|
+ if (hc->multi_count == 1) {
|
|
+ hc->data_pid_start =
|
|
+ DWC_OTG_HC_PID_DATA0;
|
|
+ } else {
|
|
+ hc->data_pid_start =
|
|
+ DWC_OTG_HC_PID_MDATA;
|
|
+ }
|
|
+ }
|
|
+ } else {
|
|
+ hc->data_pid_start = DWC_OTG_HC_PID_DATA0;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ hctsiz.b.xfersize = hc->xfer_len;
|
|
+ }
|
|
+
|
|
+ hc->start_pkt_count = num_packets;
|
|
+ hctsiz.b.pktcnt = num_packets;
|
|
+ hctsiz.b.pid = hc->data_pid_start;
|
|
+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Xfer Size: %d\n", hctsiz.b.xfersize);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Num Pkts: %d\n", hctsiz.b.pktcnt);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Start PID: %d\n", hctsiz.b.pid);
|
|
+
|
|
+ if (core_if->dma_enable) {
|
|
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
|
|
+ /* Octeon uses external DMA */
|
|
+ const uint64_t USBN_DMA0_OUTB_CHN0 =
|
|
+ CVMX_USBNX_DMA0_OUTB_CHN0(core_if->usb_num);
|
|
+ wmb();
|
|
+ cvmx_write_csr(USBN_DMA0_OUTB_CHN0 + hc->hc_num * 8,
|
|
+ (unsigned long)hc->xfer_buff);
|
|
+ cvmx_read_csr(USBN_DMA0_OUTB_CHN0 + hc->hc_num * 8);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ "OUT: hc->hc_num = %d, hc->xfer_buff = %p\n",
|
|
+ hc->hc_num, hc->xfer_buff);
|
|
+#else
|
|
+ dwc_write_reg32(&hc_regs->hcdma,
|
|
+ (uint32_t) (long)hc->xfer_buff);
|
|
+#endif /* CONFIG_CPU_CAVIUM_OCTEON */
|
|
+ }
|
|
+
|
|
+ /* Start the split */
|
|
+ if (hc->do_split) {
|
|
+ union hcsplt_data hcsplt;
|
|
+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt);
|
|
+ hcsplt.b.spltena = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcsplt, hcsplt.d32);
|
|
+ }
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.multicnt = hc->multi_count;
|
|
+ hc_set_even_odd_frame(core_if, hc, &hcchar);
|
|
+#ifdef DEBUG
|
|
+ core_if->start_hcchar_val[hc->hc_num] = hcchar.d32;
|
|
+ if (hcchar.b.chdis) {
|
|
+ DWC_WARN("%s: chdis set, channel %d, hcchar 0x%08x\n",
|
|
+ __func__, hc->hc_num, hcchar.d32);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ /* Set host channel enable after all other setup is complete. */
|
|
+ hcchar.b.chen = 1;
|
|
+ hcchar.b.chdis = 0;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ hc->xfer_started = 1;
|
|
+ hc->requests++;
|
|
+
|
|
+ if (!core_if->dma_enable && !hc->ep_is_in && hc->xfer_len > 0) {
|
|
+ /* Load OUT packet into the appropriate Tx FIFO. */
|
|
+ dwc_otg_hc_write_packet(core_if, hc);
|
|
+ }
|
|
+#ifdef DEBUG
|
|
+ /* Start a timer for this transfer. */
|
|
+ core_if->hc_xfer_timer[hc->hc_num].function = hc_xfer_timeout;
|
|
+ core_if->hc_xfer_info[hc->hc_num].core_if = core_if;
|
|
+ core_if->hc_xfer_info[hc->hc_num].hc = hc;
|
|
+ core_if->hc_xfer_timer[hc->hc_num].data =
|
|
+ (unsigned long)(&core_if->hc_xfer_info[hc->hc_num]);
|
|
+ core_if->hc_xfer_timer[hc->hc_num].expires = jiffies + (HZ * 10);
|
|
+ add_timer(&core_if->hc_xfer_timer[hc->hc_num]);
|
|
+#endif
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function continues a data transfer that was started by previous call
|
|
+ * to <code>dwc_otg_hc_start_transfer</code>. The caller must ensure there is
|
|
+ * sufficient space in the request queue and Tx Data FIFO. This function
|
|
+ * should only be called in Slave mode. In DMA mode, the controller acts
|
|
+ * autonomously to complete transfers programmed to a host channel.
|
|
+ *
|
|
+ * For an OUT transfer, a new data packet is loaded into the appropriate FIFO
|
|
+ * if there is any data remaining to be queued. For an IN transfer, another
|
|
+ * data packet is always requested. For the SETUP phase of a control transfer,
|
|
+ * this function does nothing.
|
|
+ *
|
|
+ * Returns 1 if a new request is queued, 0 if no more requests are required
|
|
+ * for this transfer.
|
|
+ */
|
|
+int dwc_otg_hc_continue_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num);
|
|
+
|
|
+ if (hc->do_split) {
|
|
+ /* SPLITs always queue just once per channel */
|
|
+ return 0;
|
|
+ } else if (hc->data_pid_start == DWC_OTG_HC_PID_SETUP) {
|
|
+ /* SETUPs are queued only once since they can't be NAKed. */
|
|
+ return 0;
|
|
+ } else if (hc->ep_is_in) {
|
|
+ /*
|
|
+ * Always queue another request for other IN transfers. If
|
|
+ * back-to-back INs are issued and NAKs are received for both,
|
|
+ * the driver may still be processing the first NAK when the
|
|
+ * second NAK is received. When the interrupt handler clears
|
|
+ * the NAK interrupt for the first NAK, the second NAK will
|
|
+ * not be seen. So we can't depend on the NAK interrupt
|
|
+ * handler to requeue a NAKed request. Instead, IN requests
|
|
+ * are issued each time this function is called. When the
|
|
+ * transfer completes, the extra requests for the channel will
|
|
+ * be flushed.
|
|
+ */
|
|
+ union hcchar_data hcchar;
|
|
+ struct dwc_otg_hc_regs *hc_regs =
|
|
+ core_if->host_if->hc_regs[hc->hc_num];
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hc_set_even_odd_frame(core_if, hc, &hcchar);
|
|
+ hcchar.b.chen = 1;
|
|
+ hcchar.b.chdis = 0;
|
|
+ DWC_DEBUGPL(DBG_HCDV, " IN xfer: hcchar = 0x%08x\n",
|
|
+ hcchar.d32);
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+ hc->requests++;
|
|
+ return 1;
|
|
+ } else {
|
|
+ /* OUT transfers. */
|
|
+ if (hc->xfer_count < hc->xfer_len) {
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ union hcchar_data hcchar;
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+ hc_regs =
|
|
+ core_if->host_if->hc_regs[hc->hc_num];
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hc_set_even_odd_frame(core_if, hc, &hcchar);
|
|
+ }
|
|
+
|
|
+ /* Load OUT packet into the appropriate Tx FIFO. */
|
|
+ dwc_otg_hc_write_packet(core_if, hc);
|
|
+ hc->requests++;
|
|
+ return 1;
|
|
+ } else {
|
|
+ return 0;
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Starts a PING transfer. This function should only be called in Slave mode.
|
|
+ * The Do Ping bit is set in the HCTSIZ register, then the channel is enabled.
|
|
+ */
|
|
+void dwc_otg_hc_do_ping(struct dwc_otg_core_if *core_if, struct dwc_hc *hc)
|
|
+{
|
|
+ union hcchar_data hcchar;
|
|
+ union hctsiz_data hctsiz;
|
|
+ struct dwc_otg_hc_regs *hc_regs = core_if->host_if->hc_regs[hc->hc_num];
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, hc->hc_num);
|
|
+
|
|
+ hctsiz.d32 = 0;
|
|
+ hctsiz.b.dopng = 1;
|
|
+ hctsiz.b.pktcnt = 1;
|
|
+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32);
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.chen = 1;
|
|
+ hcchar.b.chdis = 0;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * This function writes a packet into the Tx FIFO associated with the Host
|
|
+ * Channel. For a channel associated with a non-periodic EP, the non-periodic
|
|
+ * Tx FIFO is written. For a channel associated with a periodic EP, the
|
|
+ * periodic Tx FIFO is written. This function should only be called in Slave
|
|
+ * mode.
|
|
+ *
|
|
+ * Upon return the xfer_buff and xfer_count fields in hc are incremented by
|
|
+ * then number of bytes written to the Tx FIFO.
|
|
+ */
|
|
+void dwc_otg_hc_write_packet(struct dwc_otg_core_if *core_if, struct dwc_hc *hc)
|
|
+{
|
|
+ uint32_t i;
|
|
+ uint32_t remaining_count;
|
|
+ uint32_t byte_count;
|
|
+ uint32_t dword_count;
|
|
+
|
|
+ uint32_t *data_buff = (uint32_t *) (hc->xfer_buff);
|
|
+ uint32_t *data_fifo = core_if->data_fifo[hc->hc_num];
|
|
+
|
|
+ remaining_count = hc->xfer_len - hc->xfer_count;
|
|
+ if (remaining_count > hc->max_packet)
|
|
+ byte_count = hc->max_packet;
|
|
+ else
|
|
+ byte_count = remaining_count;
|
|
+
|
|
+ dword_count = (byte_count + 3) / 4;
|
|
+
|
|
+ if ((((unsigned long)data_buff) & 0x3) == 0) {
|
|
+ /* xfer_buff is DWORD aligned. */
|
|
+ for (i = 0; i < dword_count; i++, data_buff++)
|
|
+ dwc_write_reg32(data_fifo, *data_buff);
|
|
+ } else {
|
|
+ /* xfer_buff is not DWORD aligned. */
|
|
+ for (i = 0; i < dword_count; i++, data_buff++)
|
|
+ dwc_write_reg32(data_fifo, get_unaligned(data_buff));
|
|
+ }
|
|
+
|
|
+ hc->xfer_count += byte_count;
|
|
+ hc->xfer_buff += byte_count;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Gets the current USB frame number. This is the frame number from the last
|
|
+ * SOF packet.
|
|
+ */
|
|
+uint32_t dwc_otg_get_frame_number(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union dsts_data dsts;
|
|
+ dsts.d32 = dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts);
|
|
+
|
|
+ /* read current frame/microfreme number from DSTS register */
|
|
+ return dsts.b.soffn;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function reads a setup packet from the Rx FIFO into the destination
|
|
+ * buffer. This function is called from the Rx Status Queue Level (RxStsQLvl)
|
|
+ * Interrupt routine when a SETUP packet has been received in Slave mode.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @dest: Destination buffer for packet data.
|
|
+ */
|
|
+void dwc_otg_read_setup_packet(struct dwc_otg_core_if *core_if, uint32_t *dest)
|
|
+{
|
|
+ /* Get the 8 bytes of a setup transaction data */
|
|
+
|
|
+ /* Pop 2 DWORDS off the receive data FIFO into memory */
|
|
+ dest[0] = dwc_read_reg32(core_if->data_fifo[0]);
|
|
+ dest[1] = dwc_read_reg32(core_if->data_fifo[0]);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function enables EP0 OUT to receive SETUP packets and configures EP0
|
|
+ * IN for transmitting packets. It is normally called when the
|
|
+ * "Enumeration Done" interrupt occurs.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP0 data.
|
|
+ */
|
|
+void dwc_otg_ep0_activate(struct dwc_otg_core_if *core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ struct dwc_otg_dev_if *dev_if = core_if->dev_if;
|
|
+ union dsts_data dsts;
|
|
+ union depctl_data diepctl;
|
|
+ union depctl_data doepctl;
|
|
+ union dctl_data dctl = {.d32 = 0 };
|
|
+
|
|
+ /* Read the Device Status and Endpoint 0 Control registers */
|
|
+ dsts.d32 = dwc_read_reg32(&dev_if->dev_global_regs->dsts);
|
|
+ diepctl.d32 = dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl);
|
|
+ doepctl.d32 = dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl);
|
|
+
|
|
+ /* Set the MPS of the IN EP based on the enumeration speed */
|
|
+ switch (dsts.b.enumspd) {
|
|
+ case DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ:
|
|
+ case DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ:
|
|
+ case DWC_DSTS_ENUMSPD_FS_PHY_48MHZ:
|
|
+ diepctl.b.mps = DWC_DEP0CTL_MPS_64;
|
|
+ break;
|
|
+ case DWC_DSTS_ENUMSPD_LS_PHY_6MHZ:
|
|
+ diepctl.b.mps = DWC_DEP0CTL_MPS_8;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ dwc_write_reg32(&dev_if->in_ep_regs[0]->diepctl, diepctl.d32);
|
|
+
|
|
+ /* Enable OUT EP for receive */
|
|
+ doepctl.b.epena = 1;
|
|
+ dwc_write_reg32(&dev_if->out_ep_regs[0]->doepctl, doepctl.d32);
|
|
+
|
|
+#ifdef VERBOSE
|
|
+ DWC_DEBUGPL(DBG_PCDV, "doepctl0=%0x\n",
|
|
+ dwc_read_reg32(&dev_if->out_ep_regs[0]->doepctl));
|
|
+ DWC_DEBUGPL(DBG_PCDV, "diepctl0=%0x\n",
|
|
+ dwc_read_reg32(&dev_if->in_ep_regs[0]->diepctl));
|
|
+#endif
|
|
+ dctl.b.cgnpinnak = 1;
|
|
+ dwc_modify_reg32(&dev_if->dev_global_regs->dctl, dctl.d32, dctl.d32);
|
|
+ DWC_DEBUGPL(DBG_PCDV, "dctl=%0x\n",
|
|
+ dwc_read_reg32(&dev_if->dev_global_regs->dctl));
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function activates an EP. The Device EP control register for
|
|
+ * the EP is configured as defined in the ep structure. Note: This
|
|
+ * function is not used for EP0.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP to activate.
|
|
+ */
|
|
+void dwc_otg_ep_activate(struct dwc_otg_core_if *core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ struct dwc_otg_dev_if *dev_if = core_if->dev_if;
|
|
+ union depctl_data depctl;
|
|
+ uint32_t *addr;
|
|
+ union daint_data daintmsk = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCDV, "%s() EP%d-%s\n", __func__, ep->num,
|
|
+ (ep->is_in ? "IN" : "OUT"));
|
|
+
|
|
+ /* Read DEPCTLn register */
|
|
+ if (ep->is_in == 1) {
|
|
+ addr = &dev_if->in_ep_regs[ep->num]->diepctl;
|
|
+ daintmsk.ep.in = 1 << ep->num;
|
|
+ } else {
|
|
+ addr = &dev_if->out_ep_regs[ep->num]->doepctl;
|
|
+ daintmsk.ep.out = 1 << ep->num;
|
|
+ }
|
|
+
|
|
+ /* If the EP is already active don't change the EP Control
|
|
+ * register. */
|
|
+ depctl.d32 = dwc_read_reg32(addr);
|
|
+ if (!depctl.b.usbactep) {
|
|
+ depctl.b.mps = ep->maxpacket;
|
|
+ depctl.b.eptype = ep->type;
|
|
+ depctl.b.txfnum = ep->tx_fifo_num;
|
|
+
|
|
+ if (ep->type != DWC_OTG_EP_TYPE_ISOC)
|
|
+ depctl.b.setd0pid = 1;
|
|
+
|
|
+ depctl.b.usbactep = 1;
|
|
+
|
|
+ dwc_write_reg32(addr, depctl.d32);
|
|
+ DWC_DEBUGPL(DBG_PCDV, "DEPCTL=%08x\n", dwc_read_reg32(addr));
|
|
+ }
|
|
+
|
|
+ /* Enable the Interrupt for this EP */
|
|
+ dwc_modify_reg32(&dev_if->dev_global_regs->daintmsk, 0, daintmsk.d32);
|
|
+ DWC_DEBUGPL(DBG_PCDV, "DAINTMSK=%0x\n",
|
|
+ dwc_read_reg32(&dev_if->dev_global_regs->daintmsk));
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function deactivates an EP. This is done by clearing the USB Active
|
|
+ * EP bit in the Device EP control register. Note: This function is not used
|
|
+ * for EP0. EP0 cannot be deactivated.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP to deactivate.
|
|
+ */
|
|
+void dwc_otg_ep_deactivate(struct dwc_otg_core_if *core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ union depctl_data depctl = {.d32 = 0 };
|
|
+ uint32_t *addr;
|
|
+ union daint_data daintmsk = {.d32 = 0 };
|
|
+
|
|
+ /* Read DEPCTLn register */
|
|
+ if (ep->is_in == 1) {
|
|
+ addr = &core_if->dev_if->in_ep_regs[ep->num]->diepctl;
|
|
+ daintmsk.ep.in = 1 << ep->num;
|
|
+ } else {
|
|
+ addr = &core_if->dev_if->out_ep_regs[ep->num]->doepctl;
|
|
+ daintmsk.ep.out = 1 << ep->num;
|
|
+ }
|
|
+
|
|
+ depctl.b.usbactep = 0;
|
|
+ dwc_write_reg32(addr, depctl.d32);
|
|
+
|
|
+ /* Disable the Interrupt for this EP */
|
|
+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->daintmsk,
|
|
+ daintmsk.d32, 0);
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function does the setup for a data transfer for an EP and
|
|
+ * starts the transfer. For an IN transfer, the packets will be
|
|
+ * loaded into the appropriate Tx FIFO in the ISR. For OUT transfers,
|
|
+ * the packets are unloaded from the Rx FIFO in the ISR. the ISR.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP to start the transfer on.
|
|
+ */
|
|
+void dwc_otg_ep_start_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep)
|
|
+{
|
|
+ /*
|
|
+ * @todo Refactor this funciton to check the transfer size
|
|
+ * count value does not execed the number bits in the Transfer
|
|
+ * count register.
|
|
+ */
|
|
+ union depctl_data depctl;
|
|
+ union deptsiz_data deptsiz;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+
|
|
+#ifdef CHECK_PACKET_COUNTER_WIDTH
|
|
+ const uint32_t MAX_XFER_SIZE = core_if->core_params->max_transfer_size;
|
|
+ const uint32_t MAX_PKT_COUNT = core_if->core_params->max_packet_count;
|
|
+ uint32_t num_packets;
|
|
+ uint32_t transfer_len;
|
|
+ struct dwc_otg_dev_out_ep_regs *out_regs =
|
|
+ core_if->dev_if->out_ep_regs[ep->num];
|
|
+ struct dwc_otg_dev_in_ep_regs *in_regs =
|
|
+ core_if->dev_if->in_ep_regs[ep->num];
|
|
+ union gnptxsts_data txstatus;
|
|
+
|
|
+ int lvl = SET_DEBUG_LEVEL(DBG_PCD);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d "
|
|
+ "xfer_buff=%p start_xfer_buff=%p\n",
|
|
+ ep->num, (ep->is_in ? "IN" : "OUT"), ep->xfer_len,
|
|
+ ep->xfer_count, ep->xfer_buff, ep->start_xfer_buff);
|
|
+
|
|
+ transfer_len = ep->xfer_len - ep->xfer_count;
|
|
+ if (transfer_len > MAX_XFER_SIZE)
|
|
+ transfer_len = MAX_XFER_SIZE;
|
|
+
|
|
+ if (transfer_len == 0) {
|
|
+ num_packets = 1;
|
|
+ /* OUT EP to recieve Zero-length packet set transfer
|
|
+ * size to maxpacket size. */
|
|
+ if (!ep->is_in)
|
|
+ transfer_len = ep->maxpacket;
|
|
+ } else {
|
|
+ num_packets =
|
|
+ (transfer_len + ep->maxpacket - 1) / ep->maxpacket;
|
|
+ if (num_packets > MAX_PKT_COUNT)
|
|
+ num_packets = MAX_PKT_COUNT;
|
|
+ }
|
|
+ DWC_DEBUGPL(DBG_PCD, "transfer_len=%d #pckt=%d\n", transfer_len,
|
|
+ num_packets);
|
|
+
|
|
+ deptsiz.b.xfersize = transfer_len;
|
|
+ deptsiz.b.pktcnt = num_packets;
|
|
+
|
|
+ /* IN endpoint */
|
|
+ if (ep->is_in == 1) {
|
|
+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl);
|
|
+ } else { /* OUT endpoint */
|
|
+ depctl.d32 = dwc_read_reg32(&out_regs->doepctl);
|
|
+ }
|
|
+
|
|
+ /* EP enable, IN data in FIFO */
|
|
+ depctl.b.cnak = 1;
|
|
+ depctl.b.epena = 1;
|
|
+ /* IN endpoint */
|
|
+ if (ep->is_in == 1) {
|
|
+ txstatus.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gnptxsts);
|
|
+ if (txstatus.b.nptxqspcavail == 0) {
|
|
+ DWC_DEBUGPL(DBG_ANY, "TX Queue Full (0x%0x)\n",
|
|
+ txstatus.d32);
|
|
+ return;
|
|
+ }
|
|
+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32);
|
|
+ dwc_write_reg32(&in_regs->diepctl, depctl.d32);
|
|
+ /*
|
|
+ * Enable the Non-Periodic Tx FIFO empty interrupt, the
|
|
+ * data will be written into the fifo by the ISR.
|
|
+ */
|
|
+ if (core_if->dma_enable) {
|
|
+ dwc_write_reg32(&in_regs->diepdma,
|
|
+ (uint32_t) ep->xfer_buff);
|
|
+ } else {
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintsts,
|
|
+ intr_mask.d32, 0);
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk,
|
|
+ intr_mask.d32, intr_mask.d32);
|
|
+ }
|
|
+ } else { /* OUT endpoint */
|
|
+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32);
|
|
+ dwc_write_reg32(&out_regs->doepctl, depctl.d32);
|
|
+ if (core_if->dma_enable) {
|
|
+ dwc_write_reg32(&out_regs->doepdma,
|
|
+ (uint32_t) ep->xfer_buff);
|
|
+ }
|
|
+ }
|
|
+ DWC_DEBUGPL(DBG_PCD, "DOEPCTL=%08x DOEPTSIZ=%08x\n",
|
|
+ dwc_read_reg32(&out_regs->doepctl),
|
|
+ dwc_read_reg32(&out_regs->doeptsiz));
|
|
+ DWC_DEBUGPL(DBG_PCD, "DAINTMSK=%08x GINTMSK=%08x\n",
|
|
+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->
|
|
+ daintmsk),
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gintmsk));
|
|
+
|
|
+ SET_DEBUG_LEVEL(lvl);
|
|
+#endif
|
|
+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s()\n", __func__);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d "
|
|
+ "xfer_buff=%p start_xfer_buff=%p\n",
|
|
+ ep->num, (ep->is_in ? "IN" : "OUT"), ep->xfer_len,
|
|
+ ep->xfer_count, ep->xfer_buff, ep->start_xfer_buff);
|
|
+
|
|
+ /* IN endpoint */
|
|
+ if (ep->is_in == 1) {
|
|
+ struct dwc_otg_dev_in_ep_regs *in_regs =
|
|
+ core_if->dev_if->in_ep_regs[ep->num];
|
|
+ union gnptxsts_data txstatus;
|
|
+
|
|
+ txstatus.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gnptxsts);
|
|
+ if (txstatus.b.nptxqspcavail == 0) {
|
|
+#ifdef DEBUG
|
|
+ DWC_PRINT("TX Queue Full (0x%0x)\n", txstatus.d32);
|
|
+#endif
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(&(in_regs->diepctl));
|
|
+ deptsiz.d32 = dwc_read_reg32(&(in_regs->dieptsiz));
|
|
+
|
|
+ /* Zero Length Packet? */
|
|
+ if (ep->xfer_len == 0) {
|
|
+ deptsiz.b.xfersize = 0;
|
|
+ deptsiz.b.pktcnt = 1;
|
|
+ } else {
|
|
+
|
|
+ /* Program the transfer size and packet count
|
|
+ * as follows: xfersize = N * maxpacket +
|
|
+ * short_packet pktcnt = N + (short_packet
|
|
+ * exist ? 1 : 0)
|
|
+ */
|
|
+ deptsiz.b.xfersize = ep->xfer_len;
|
|
+ deptsiz.b.pktcnt =
|
|
+ (ep->xfer_len - 1 + ep->maxpacket) /
|
|
+ ep->maxpacket;
|
|
+ }
|
|
+
|
|
+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32);
|
|
+
|
|
+ /* Write the DMA register */
|
|
+ if (core_if->dma_enable) {
|
|
+ dwc_write_reg32(&(in_regs->diepdma),
|
|
+ (uint32_t) ep->dma_addr);
|
|
+ } else {
|
|
+ /*
|
|
+ * Enable the Non-Periodic Tx FIFO empty interrupt,
|
|
+ * the data will be written into the fifo by the ISR.
|
|
+ */
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintsts,
|
|
+ intr_mask.d32, 0);
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk,
|
|
+ intr_mask.d32, intr_mask.d32);
|
|
+ }
|
|
+
|
|
+ /* EP enable, IN data in FIFO */
|
|
+ depctl.b.cnak = 1;
|
|
+ depctl.b.epena = 1;
|
|
+ dwc_write_reg32(&in_regs->diepctl, depctl.d32);
|
|
+
|
|
+ depctl.d32 =
|
|
+ dwc_read_reg32(&core_if->dev_if->in_ep_regs[0]->diepctl);
|
|
+ depctl.b.nextep = ep->num;
|
|
+ dwc_write_reg32(&core_if->dev_if->in_ep_regs[0]->diepctl,
|
|
+ depctl.d32);
|
|
+
|
|
+ } else {
|
|
+ /* OUT endpoint */
|
|
+ struct dwc_otg_dev_out_ep_regs *out_regs =
|
|
+ core_if->dev_if->out_ep_regs[ep->num];
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(&(out_regs->doepctl));
|
|
+ deptsiz.d32 = dwc_read_reg32(&(out_regs->doeptsiz));
|
|
+
|
|
+ /* Program the transfer size and packet count as follows:
|
|
+ *
|
|
+ * pktcnt = N
|
|
+ * xfersize = N * maxpacket
|
|
+ */
|
|
+ if (ep->xfer_len == 0) {
|
|
+ /* Zero Length Packet */
|
|
+ deptsiz.b.xfersize = ep->maxpacket;
|
|
+ deptsiz.b.pktcnt = 1;
|
|
+ } else {
|
|
+ deptsiz.b.pktcnt =
|
|
+ (ep->xfer_len + (ep->maxpacket - 1)) /
|
|
+ ep->maxpacket;
|
|
+ deptsiz.b.xfersize = deptsiz.b.pktcnt * ep->maxpacket;
|
|
+ }
|
|
+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCDV, "ep%d xfersize=%d pktcnt=%d\n",
|
|
+ ep->num, deptsiz.b.xfersize, deptsiz.b.pktcnt);
|
|
+
|
|
+ if (core_if->dma_enable) {
|
|
+ dwc_write_reg32(&(out_regs->doepdma),
|
|
+ (uint32_t) ep->dma_addr);
|
|
+ }
|
|
+
|
|
+ if (ep->type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ /*
|
|
+ * @todo NGS: dpid is read-only. Use setd0pid
|
|
+ * or setd1pid.
|
|
+ */
|
|
+ depctl.b.dpid = ep->even_odd_frame;
|
|
+ }
|
|
+
|
|
+ /* EP enable */
|
|
+ depctl.b.cnak = 1;
|
|
+ depctl.b.epena = 1;
|
|
+
|
|
+ dwc_write_reg32(&out_regs->doepctl, depctl.d32);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCD, "DOEPCTL=%08x DOEPTSIZ=%08x\n",
|
|
+ dwc_read_reg32(&out_regs->doepctl),
|
|
+ dwc_read_reg32(&out_regs->doeptsiz));
|
|
+ DWC_DEBUGPL(DBG_PCD, "DAINTMSK=%08x GINTMSK=%08x\n",
|
|
+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->
|
|
+ daintmsk),
|
|
+ dwc_read_reg32(&core_if->core_global_regs->
|
|
+ gintmsk));
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function does the setup for a data transfer for EP0 and starts
|
|
+ * the transfer. For an IN transfer, the packets will be loaded into
|
|
+ * the appropriate Tx FIFO in the ISR. For OUT transfers, the packets are
|
|
+ * unloaded from the Rx FIFO in the ISR.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP0 data.
|
|
+ */
|
|
+void dwc_otg_ep0_start_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep)
|
|
+{
|
|
+ union depctl_data depctl;
|
|
+ union deptsiz0_data deptsiz;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCD, "ep%d-%s xfer_len=%d xfer_cnt=%d "
|
|
+ "xfer_buff=%p start_xfer_buff=%p total_len=%d\n",
|
|
+ ep->num, (ep->is_in ? "IN" : "OUT"), ep->xfer_len,
|
|
+ ep->xfer_count, ep->xfer_buff, ep->start_xfer_buff,
|
|
+ ep->total_len);
|
|
+ ep->total_len = ep->xfer_len;
|
|
+
|
|
+ /* IN endpoint */
|
|
+ if (ep->is_in == 1) {
|
|
+ struct dwc_otg_dev_in_ep_regs *in_regs =
|
|
+ core_if->dev_if->in_ep_regs[0];
|
|
+ union gnptxsts_data tx_status = {.d32 = 0 };
|
|
+
|
|
+ tx_status.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gnptxsts);
|
|
+ if (tx_status.b.nptxqspcavail == 0) {
|
|
+#ifdef DEBUG
|
|
+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz);
|
|
+ DWC_DEBUGPL(DBG_PCD, "DIEPCTL0=%0x\n",
|
|
+ dwc_read_reg32(&in_regs->diepctl));
|
|
+ DWC_DEBUGPL(DBG_PCD, "DIEPTSIZ0=%0x (sz=%d, pcnt=%d)\n",
|
|
+ deptsiz.d32,
|
|
+ deptsiz.b.xfersize, deptsiz.b.pktcnt);
|
|
+ DWC_PRINT("TX Queue or FIFO Full (0x%0x)\n",
|
|
+ tx_status.d32);
|
|
+#endif
|
|
+
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl);
|
|
+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz);
|
|
+
|
|
+ /* Zero Length Packet? */
|
|
+ if (ep->xfer_len == 0) {
|
|
+ deptsiz.b.xfersize = 0;
|
|
+ deptsiz.b.pktcnt = 1;
|
|
+ } else {
|
|
+ /* Program the transfer size and packet count
|
|
+ * as follows: xfersize = N * maxpacket +
|
|
+ * short_packet pktcnt = N + (short_packet
|
|
+ * exist ? 1 : 0)
|
|
+ */
|
|
+ if (ep->xfer_len > ep->maxpacket) {
|
|
+ ep->xfer_len = ep->maxpacket;
|
|
+ deptsiz.b.xfersize = ep->maxpacket;
|
|
+ } else {
|
|
+ deptsiz.b.xfersize = ep->xfer_len;
|
|
+ }
|
|
+ deptsiz.b.pktcnt = 1;
|
|
+
|
|
+ }
|
|
+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32);
|
|
+ DWC_DEBUGPL(DBG_PCDV,
|
|
+ "IN len=%d xfersize=%d pktcnt=%d [%08x]\n",
|
|
+ ep->xfer_len, deptsiz.b.xfersize, deptsiz.b.pktcnt,
|
|
+ deptsiz.d32);
|
|
+
|
|
+ /* Write the DMA register */
|
|
+ if (core_if->dma_enable) {
|
|
+ dwc_write_reg32(&(in_regs->diepdma),
|
|
+ (uint32_t) ep->dma_addr);
|
|
+ }
|
|
+
|
|
+ /* EP enable, IN data in FIFO */
|
|
+ depctl.b.cnak = 1;
|
|
+ depctl.b.epena = 1;
|
|
+ dwc_write_reg32(&in_regs->diepctl, depctl.d32);
|
|
+
|
|
+ /*
|
|
+ * Enable the Non-Periodic Tx FIFO empty interrupt, the
|
|
+ * data will be written into the fifo by the ISR.
|
|
+ */
|
|
+ if (!core_if->dma_enable) {
|
|
+ /* First clear it from GINTSTS */
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintsts,
|
|
+ intr_mask.d32, 0);
|
|
+
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk,
|
|
+ intr_mask.d32, intr_mask.d32);
|
|
+ }
|
|
+
|
|
+ } else { /* OUT endpoint */
|
|
+ struct dwc_otg_dev_out_ep_regs *out_regs =
|
|
+ core_if->dev_if->out_ep_regs[ep->num];
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(&out_regs->doepctl);
|
|
+ deptsiz.d32 = dwc_read_reg32(&out_regs->doeptsiz);
|
|
+
|
|
+ /* Program the transfer size and packet count as follows:
|
|
+ * xfersize = N * (maxpacket + 4 - (maxpacket % 4))
|
|
+ * pktcnt = N */
|
|
+ if (ep->xfer_len == 0) {
|
|
+ /* Zero Length Packet */
|
|
+ deptsiz.b.xfersize = ep->maxpacket;
|
|
+ deptsiz.b.pktcnt = 1;
|
|
+ } else {
|
|
+ deptsiz.b.pktcnt =
|
|
+ (ep->xfer_len + (ep->maxpacket - 1)) /
|
|
+ ep->maxpacket;
|
|
+ deptsiz.b.xfersize = deptsiz.b.pktcnt * ep->maxpacket;
|
|
+ }
|
|
+
|
|
+ dwc_write_reg32(&out_regs->doeptsiz, deptsiz.d32);
|
|
+ DWC_DEBUGPL(DBG_PCDV, "len=%d xfersize=%d pktcnt=%d\n",
|
|
+ ep->xfer_len,
|
|
+ deptsiz.b.xfersize, deptsiz.b.pktcnt);
|
|
+
|
|
+ if (core_if->dma_enable) {
|
|
+ dwc_write_reg32(&(out_regs->doepdma),
|
|
+ (uint32_t) ep->dma_addr);
|
|
+ }
|
|
+
|
|
+ /* EP enable */
|
|
+ depctl.b.cnak = 1;
|
|
+ depctl.b.epena = 1;
|
|
+ dwc_write_reg32(&(out_regs->doepctl), depctl.d32);
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function continues control IN transfers started by
|
|
+ * dwc_otg_ep0_start_transfer, when the transfer does not fit in a
|
|
+ * single packet. NOTE: The DIEPCTL0/DOEPCTL0 registers only have one
|
|
+ * bit for the packet count.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP0 data.
|
|
+ */
|
|
+void dwc_otg_ep0_continue_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep)
|
|
+{
|
|
+ union depctl_data depctl;
|
|
+ union deptsiz0_data deptsiz;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+
|
|
+ if (ep->is_in == 1) {
|
|
+ struct dwc_otg_dev_in_ep_regs *in_regs =
|
|
+ core_if->dev_if->in_ep_regs[0];
|
|
+ union gnptxsts_data tx_status = {.d32 = 0 };
|
|
+
|
|
+ tx_status.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gnptxsts);
|
|
+ /*
|
|
+ * @todo Should there be check for room in the Tx
|
|
+ * Status Queue. If not remove the code above this comment.
|
|
+ */
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(&in_regs->diepctl);
|
|
+ deptsiz.d32 = dwc_read_reg32(&in_regs->dieptsiz);
|
|
+
|
|
+ /*
|
|
+ * Program the transfer size and packet count
|
|
+ * as follows: xfersize = N * maxpacket +
|
|
+ * short_packet pktcnt = N + (short_packet
|
|
+ * exist ? 1 : 0)
|
|
+ */
|
|
+ deptsiz.b.xfersize =
|
|
+ (ep->total_len - ep->xfer_count) >
|
|
+ ep->maxpacket ? ep->maxpacket : (ep->total_len -
|
|
+ ep->xfer_count);
|
|
+ deptsiz.b.pktcnt = 1;
|
|
+ ep->xfer_len += deptsiz.b.xfersize;
|
|
+
|
|
+ dwc_write_reg32(&in_regs->dieptsiz, deptsiz.d32);
|
|
+ DWC_DEBUGPL(DBG_PCDV,
|
|
+ "IN len=%d xfersize=%d pktcnt=%d [%08x]\n",
|
|
+ ep->xfer_len, deptsiz.b.xfersize, deptsiz.b.pktcnt,
|
|
+ deptsiz.d32);
|
|
+
|
|
+ /* Write the DMA register */
|
|
+ if (core_if->hwcfg2.b.architecture == DWC_INT_DMA_ARCH) {
|
|
+ dwc_write_reg32(&(in_regs->diepdma),
|
|
+ (uint32_t) ep->dma_addr);
|
|
+ }
|
|
+
|
|
+ /* EP enable, IN data in FIFO */
|
|
+ depctl.b.cnak = 1;
|
|
+ depctl.b.epena = 1;
|
|
+ dwc_write_reg32(&in_regs->diepctl, depctl.d32);
|
|
+
|
|
+ /*
|
|
+ * Enable the Non-Periodic Tx FIFO empty interrupt, the
|
|
+ * data will be written into the fifo by the ISR.
|
|
+ */
|
|
+ if (!core_if->dma_enable) {
|
|
+ /* First clear it from GINTSTS */
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts,
|
|
+ intr_mask.d32);
|
|
+
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk,
|
|
+ intr_mask.d32, intr_mask.d32);
|
|
+ }
|
|
+
|
|
+ }
|
|
+
|
|
+}
|
|
+
|
|
+#ifdef DEBUG
|
|
+void dump_msg(const u8 *buf, unsigned int length)
|
|
+{
|
|
+ unsigned int start, num, i;
|
|
+ char line[52], *p;
|
|
+
|
|
+ if (length >= 512)
|
|
+ return;
|
|
+ start = 0;
|
|
+ while (length > 0) {
|
|
+ num = min(length, 16u);
|
|
+ p = line;
|
|
+ for (i = 0; i < num; ++i) {
|
|
+ if (i == 8)
|
|
+ *p++ = ' ';
|
|
+ sprintf(p, " %02x", buf[i]);
|
|
+ p += 3;
|
|
+ }
|
|
+ *p = 0;
|
|
+ DWC_PRINT("%6x: %s\n", start, line);
|
|
+ buf += num;
|
|
+ start += num;
|
|
+ length -= num;
|
|
+ }
|
|
+}
|
|
+#else
|
|
+static inline void dump_msg(const u8 *buf, unsigned int length)
|
|
+{
|
|
+}
|
|
+#endif
|
|
+
|
|
+/**
|
|
+ * This function writes a packet into the Tx FIFO associated with the
|
|
+ * EP. For non-periodic EPs the non-periodic Tx FIFO is written. For
|
|
+ * periodic EPs the periodic Tx FIFO associated with the EP is written
|
|
+ * with all packets for the next micro-frame.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP to write packet for.
|
|
+ * @_dma: Indicates if DMA is being used.
|
|
+ */
|
|
+void dwc_otg_ep_write_packet(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep,
|
|
+ int _dma)
|
|
+{
|
|
+ /**
|
|
+ * The buffer is padded to DWORD on a per packet basis in
|
|
+ * slave/dma mode if the MPS is not DWORD aligned. The last
|
|
+ * packet, if short, is also padded to a multiple of DWORD.
|
|
+ *
|
|
+ * ep->xfer_buff always starts DWORD aligned in memory and is a
|
|
+ * multiple of DWORD in length
|
|
+ *
|
|
+ * ep->xfer_len can be any number of bytes
|
|
+ *
|
|
+ * ep->xfer_count is a multiple of ep->maxpacket until the last
|
|
+ * packet
|
|
+ *
|
|
+ * FIFO access is DWORD */
|
|
+
|
|
+ uint32_t i;
|
|
+ uint32_t byte_count;
|
|
+ uint32_t dword_count;
|
|
+ uint32_t *fifo;
|
|
+ uint32_t *data_buff = (uint32_t *) ep->xfer_buff;
|
|
+
|
|
+ if (ep->xfer_count >= ep->xfer_len) {
|
|
+ DWC_WARN("%s() No data for EP%d!!!\n", __func__, ep->num);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ /* Find the byte length of the packet either short packet or MPS */
|
|
+ if ((ep->xfer_len - ep->xfer_count) < ep->maxpacket)
|
|
+ byte_count = ep->xfer_len - ep->xfer_count;
|
|
+ else
|
|
+ byte_count = ep->maxpacket;
|
|
+
|
|
+ /* Find the DWORD length, padded by extra bytes as neccessary if MPS
|
|
+ * is not a multiple of DWORD */
|
|
+ dword_count = (byte_count + 3) / 4;
|
|
+
|
|
+#ifdef VERBOSE
|
|
+ dump_msg(ep->xfer_buff, byte_count);
|
|
+#endif
|
|
+ if (ep->type == DWC_OTG_EP_TYPE_ISOC)
|
|
+ /*
|
|
+ *@todo NGS Where are the Periodic Tx FIFO addresses
|
|
+ * intialized? What should this be?
|
|
+ */
|
|
+ fifo = core_if->data_fifo[ep->tx_fifo_num];
|
|
+ else
|
|
+ fifo = core_if->data_fifo[ep->num];
|
|
+
|
|
+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "fifo=%p buff=%p *p=%08x bc=%d\n",
|
|
+ fifo, data_buff, *data_buff, byte_count);
|
|
+
|
|
+ if (!_dma) {
|
|
+ for (i = 0; i < dword_count; i++, data_buff++)
|
|
+ dwc_write_reg32(fifo, *data_buff);
|
|
+ }
|
|
+
|
|
+ ep->xfer_count += byte_count;
|
|
+ ep->xfer_buff += byte_count;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Set the EP STALL.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP to set the stall on.
|
|
+ */
|
|
+void dwc_otg_ep_set_stall(struct dwc_otg_core_if *core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ union depctl_data depctl;
|
|
+ uint32_t *depctl_addr;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, ep->num,
|
|
+ (ep->is_in ? "IN" : "OUT"));
|
|
+
|
|
+ if (ep->is_in == 1) {
|
|
+ depctl_addr =
|
|
+ &(core_if->dev_if->in_ep_regs[ep->num]->diepctl);
|
|
+ depctl.d32 = dwc_read_reg32(depctl_addr);
|
|
+
|
|
+ /* set the disable and stall bits */
|
|
+ if (depctl.b.epena)
|
|
+ depctl.b.epdis = 1;
|
|
+ depctl.b.stall = 1;
|
|
+ dwc_write_reg32(depctl_addr, depctl.d32);
|
|
+
|
|
+ } else {
|
|
+ depctl_addr =
|
|
+ &(core_if->dev_if->out_ep_regs[ep->num]->doepctl);
|
|
+ depctl.d32 = dwc_read_reg32(depctl_addr);
|
|
+
|
|
+ /* set the stall bit */
|
|
+ depctl.b.stall = 1;
|
|
+ dwc_write_reg32(depctl_addr, depctl.d32);
|
|
+ }
|
|
+ DWC_DEBUGPL(DBG_PCD, "DEPCTL=%0x\n", dwc_read_reg32(depctl_addr));
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Clear the EP STALL.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @ep: The EP to clear stall from.
|
|
+ */
|
|
+void dwc_otg_ep_clear_stall(struct dwc_otg_core_if *core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ union depctl_data depctl;
|
|
+ uint32_t *depctl_addr;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_PCD, "%s ep%d-%s\n", __func__, ep->num,
|
|
+ (ep->is_in ? "IN" : "OUT"));
|
|
+
|
|
+ if (ep->is_in == 1) {
|
|
+ depctl_addr =
|
|
+ &(core_if->dev_if->in_ep_regs[ep->num]->diepctl);
|
|
+ } else {
|
|
+ depctl_addr =
|
|
+ &(core_if->dev_if->out_ep_regs[ep->num]->doepctl);
|
|
+ }
|
|
+
|
|
+ depctl.d32 = dwc_read_reg32(depctl_addr);
|
|
+
|
|
+ /* clear the stall bits */
|
|
+ depctl.b.stall = 0;
|
|
+
|
|
+ /*
|
|
+ * USB Spec 9.4.5: For endpoints using data toggle, regardless
|
|
+ * of whether an endpoint has the Halt feature set, a
|
|
+ * ClearFeature(ENDPOINT_HALT) request always results in the
|
|
+ * data toggle being reinitialized to DATA0.
|
|
+ */
|
|
+ if (ep->type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ ep->type == DWC_OTG_EP_TYPE_BULK) {
|
|
+ depctl.b.setd0pid = 1; /* DATA0 */
|
|
+ }
|
|
+
|
|
+ dwc_write_reg32(depctl_addr, depctl.d32);
|
|
+ DWC_DEBUGPL(DBG_PCD, "DEPCTL=%0x\n", dwc_read_reg32(depctl_addr));
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function reads a packet from the Rx FIFO into the destination
|
|
+ * buffer. To read SETUP data use dwc_otg_read_setup_packet.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @dest: Destination buffer for the packet.
|
|
+ * @bytes: Number of bytes to copy to the destination.
|
|
+ */
|
|
+void dwc_otg_read_packet(struct dwc_otg_core_if *core_if,
|
|
+ uint8_t *dest, uint16_t bytes)
|
|
+{
|
|
+ int i;
|
|
+ int word_count = (bytes + 3) / 4;
|
|
+
|
|
+ uint32_t *fifo = core_if->data_fifo[0];
|
|
+ uint32_t *data_buff = (uint32_t *) dest;
|
|
+
|
|
+ /**
|
|
+ * @todo Account for the case where dest is not dword aligned. This
|
|
+ * requires reading data from the FIFO into a uint32_t temp buffer,
|
|
+ * then moving it into the data buffer.
|
|
+ */
|
|
+
|
|
+ DWC_DEBUGPL((DBG_PCDV | DBG_CILV), "%s(%p,%p,%d)\n", __func__,
|
|
+ core_if, dest, bytes);
|
|
+
|
|
+ for (i = 0; i < word_count; i++, data_buff++)
|
|
+ *data_buff = dwc_read_reg32(fifo);
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This functions reads the device registers and prints them
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+void dwc_otg_dump_dev_registers(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ int i;
|
|
+ uint32_t *addr;
|
|
+
|
|
+ DWC_PRINT("Device Global Registers\n");
|
|
+ addr = &core_if->dev_if->dev_global_regs->dcfg;
|
|
+ DWC_PRINT("DCFG @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->dev_global_regs->dctl;
|
|
+ DWC_PRINT("DCTL @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->dev_global_regs->dsts;
|
|
+ DWC_PRINT("DSTS @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->dev_global_regs->diepmsk;
|
|
+ DWC_PRINT("DIEPMSK @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->dev_global_regs->doepmsk;
|
|
+ DWC_PRINT("DOEPMSK @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->dev_global_regs->daint;
|
|
+ DWC_PRINT("DAINT @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->dev_global_regs->dtknqr1;
|
|
+ DWC_PRINT("DTKNQR1 @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ if (core_if->hwcfg2.b.dev_token_q_depth > 6) {
|
|
+ addr = &core_if->dev_if->dev_global_regs->dtknqr2;
|
|
+ DWC_PRINT("DTKNQR2 @%p : 0x%08X\n",
|
|
+ addr, dwc_read_reg32(addr));
|
|
+ }
|
|
+
|
|
+ addr = &core_if->dev_if->dev_global_regs->dvbusdis;
|
|
+ DWC_PRINT("DVBUSID @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+
|
|
+ addr = &core_if->dev_if->dev_global_regs->dvbuspulse;
|
|
+ DWC_PRINT("DVBUSPULSE @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+
|
|
+ if (core_if->hwcfg2.b.dev_token_q_depth > 14) {
|
|
+ addr = &core_if->dev_if->dev_global_regs->dtknqr3;
|
|
+ DWC_PRINT("DTKNQR3 @%p : 0x%08X\n",
|
|
+ addr, dwc_read_reg32(addr));
|
|
+ }
|
|
+
|
|
+ if (core_if->hwcfg2.b.dev_token_q_depth > 22) {
|
|
+ addr = &core_if->dev_if->dev_global_regs->dtknqr4;
|
|
+ DWC_PRINT("DTKNQR4 @%p : 0x%08X\n",
|
|
+ addr, dwc_read_reg32(addr));
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < core_if->dev_if->num_eps; i++) {
|
|
+ DWC_PRINT("Device IN EP %d Registers\n", i);
|
|
+ addr = &core_if->dev_if->in_ep_regs[i]->diepctl;
|
|
+ DWC_PRINT("DIEPCTL @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->in_ep_regs[i]->diepint;
|
|
+ DWC_PRINT("DIEPINT @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->in_ep_regs[i]->dieptsiz;
|
|
+ DWC_PRINT("DIETSIZ @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->in_ep_regs[i]->diepdma;
|
|
+ DWC_PRINT("DIEPDMA @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+
|
|
+ DWC_PRINT("Device OUT EP %d Registers\n", i);
|
|
+ addr = &core_if->dev_if->out_ep_regs[i]->doepctl;
|
|
+ DWC_PRINT("DOEPCTL @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->out_ep_regs[i]->doepfn;
|
|
+ DWC_PRINT("DOEPFN @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->out_ep_regs[i]->doepint;
|
|
+ DWC_PRINT("DOEPINT @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->out_ep_regs[i]->doeptsiz;
|
|
+ DWC_PRINT("DOETSIZ @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->dev_if->out_ep_regs[i]->doepdma;
|
|
+ DWC_PRINT("DOEPDMA @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ }
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function reads the host registers and prints them
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+void dwc_otg_dump_host_registers(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ int i;
|
|
+ uint32_t *addr;
|
|
+
|
|
+ DWC_PRINT("Host Global Registers\n");
|
|
+ addr = &core_if->host_if->host_global_regs->hcfg;
|
|
+ DWC_PRINT("HCFG @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->host_global_regs->hfir;
|
|
+ DWC_PRINT("HFIR @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->host_global_regs->hfnum;
|
|
+ DWC_PRINT("HFNUM @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->host_global_regs->hptxsts;
|
|
+ DWC_PRINT("HPTXSTS @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->host_global_regs->haint;
|
|
+ DWC_PRINT("HAINT @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->host_global_regs->haintmsk;
|
|
+ DWC_PRINT("HAINTMSK @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = core_if->host_if->hprt0;
|
|
+ DWC_PRINT("HPRT0 @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+
|
|
+ for (i = 0; i < core_if->core_params->host_channels; i++) {
|
|
+ DWC_PRINT("Host Channel %d Specific Registers\n", i);
|
|
+ addr = &core_if->host_if->hc_regs[i]->hcchar;
|
|
+ DWC_PRINT("HCCHAR @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->hc_regs[i]->hcsplt;
|
|
+ DWC_PRINT("HCSPLT @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->hc_regs[i]->hcint;
|
|
+ DWC_PRINT("HCINT @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->hc_regs[i]->hcintmsk;
|
|
+ DWC_PRINT("HCINTMSK @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->hc_regs[i]->hctsiz;
|
|
+ DWC_PRINT("HCTSIZ @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ addr = &core_if->host_if->hc_regs[i]->hcdma;
|
|
+ DWC_PRINT("HCDMA @%p : 0x%08X\n", addr,
|
|
+ dwc_read_reg32(addr));
|
|
+
|
|
+ }
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function reads the core global registers and prints them
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+void dwc_otg_dump_global_registers(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ int i;
|
|
+ uint32_t *addr;
|
|
+
|
|
+ DWC_PRINT("Core Global Registers\n");
|
|
+ addr = &core_if->core_global_regs->gotgctl;
|
|
+ DWC_PRINT("GOTGCTL @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gotgint;
|
|
+ DWC_PRINT("GOTGINT @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gahbcfg;
|
|
+ DWC_PRINT("GAHBCFG @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gusbcfg;
|
|
+ DWC_PRINT("GUSBCFG @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->grstctl;
|
|
+ DWC_PRINT("GRSTCTL @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gintsts;
|
|
+ DWC_PRINT("GINTSTS @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gintmsk;
|
|
+ DWC_PRINT("GINTMSK @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->grxstsr;
|
|
+ DWC_PRINT("GRXSTSR @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->grxfsiz;
|
|
+ DWC_PRINT("GRXFSIZ @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gnptxfsiz;
|
|
+ DWC_PRINT("GNPTXFSIZ @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gnptxsts;
|
|
+ DWC_PRINT("GNPTXSTS @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gi2cctl;
|
|
+ DWC_PRINT("GI2CCTL @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gpvndctl;
|
|
+ DWC_PRINT("GPVNDCTL @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->ggpio;
|
|
+ DWC_PRINT("GGPIO @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->guid;
|
|
+ DWC_PRINT("GUID @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->gsnpsid;
|
|
+ DWC_PRINT("GSNPSID @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->ghwcfg1;
|
|
+ DWC_PRINT("GHWCFG1 @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->ghwcfg2;
|
|
+ DWC_PRINT("GHWCFG2 @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->ghwcfg3;
|
|
+ DWC_PRINT("GHWCFG3 @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->ghwcfg4;
|
|
+ DWC_PRINT("GHWCFG4 @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+ addr = &core_if->core_global_regs->hptxfsiz;
|
|
+ DWC_PRINT("HPTXFSIZ @%p : 0x%08X\n", addr, dwc_read_reg32(addr));
|
|
+
|
|
+ for (i = 0; i < core_if->hwcfg4.b.num_dev_perio_in_ep; i++) {
|
|
+ addr = &core_if->core_global_regs->dptxfsiz[i];
|
|
+ DWC_PRINT("DPTXFSIZ[%d] @%p : 0x%08X\n", i, addr,
|
|
+ dwc_read_reg32(addr));
|
|
+ }
|
|
+
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Flush a Tx FIFO.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @_num: Tx FIFO to flush.
|
|
+ */
|
|
+extern void dwc_otg_flush_tx_fifo(struct dwc_otg_core_if *core_if, const int _num)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ union grstctl_data greset = {.d32 = 0 };
|
|
+ int count = 0;
|
|
+
|
|
+ DWC_DEBUGPL((DBG_CIL | DBG_PCDV), "Flush Tx FIFO %d\n", _num);
|
|
+
|
|
+ greset.b.txfflsh = 1;
|
|
+ greset.b.txfnum = _num;
|
|
+ dwc_write_reg32(&global_regs->grstctl, greset.d32);
|
|
+
|
|
+ do {
|
|
+ greset.d32 = dwc_read_reg32(&global_regs->grstctl);
|
|
+ if (++count > 10000) {
|
|
+ DWC_WARN("%s() HANG! GRSTCTL=%0x GNPTXSTS=0x%08x\n",
|
|
+ __func__, greset.d32,
|
|
+ dwc_read_reg32(&global_regs->gnptxsts));
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ } while (greset.b.txfflsh == 1);
|
|
+ /* Wait for 3 PHY Clocks */
|
|
+ udelay(1);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Flush Rx FIFO.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+extern void dwc_otg_flush_rx_fifo(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ union grstctl_data greset = {.d32 = 0 };
|
|
+ int count = 0;
|
|
+
|
|
+ DWC_DEBUGPL((DBG_CIL | DBG_PCDV), "%s\n", __func__);
|
|
+ /*
|
|
+ *
|
|
+ */
|
|
+ greset.b.rxfflsh = 1;
|
|
+ dwc_write_reg32(&global_regs->grstctl, greset.d32);
|
|
+
|
|
+ do {
|
|
+ greset.d32 = dwc_read_reg32(&global_regs->grstctl);
|
|
+ if (++count > 10000) {
|
|
+ DWC_WARN("%s() HANG! GRSTCTL=%0x\n", __func__,
|
|
+ greset.d32);
|
|
+ break;
|
|
+ }
|
|
+ } while (greset.b.rxfflsh == 1);
|
|
+ /* Wait for 3 PHY Clocks */
|
|
+ udelay(1);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Do core a soft reset of the core. Be careful with this because it
|
|
+ * resets all the internal state machines of the core.
|
|
+ */
|
|
+void dwc_otg_core_reset(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ union grstctl_data greset = {.d32 = 0 };
|
|
+ int count = 0;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CILV, "%s\n", __func__);
|
|
+ /* Wait for AHB master IDLE state. */
|
|
+ do {
|
|
+ udelay(10);
|
|
+ greset.d32 = dwc_read_reg32(&global_regs->grstctl);
|
|
+ if (++count > 100000) {
|
|
+ DWC_WARN("%s() HANG! AHB Idle GRSTCTL=%0x\n", __func__,
|
|
+ greset.d32);
|
|
+ return;
|
|
+ }
|
|
+ } while (greset.b.ahbidle == 0);
|
|
+
|
|
+ /* Core Soft Reset */
|
|
+ count = 0;
|
|
+ greset.b.csftrst = 1;
|
|
+ dwc_write_reg32(&global_regs->grstctl, greset.d32);
|
|
+ do {
|
|
+ greset.d32 = dwc_read_reg32(&global_regs->grstctl);
|
|
+ if (++count > 10000) {
|
|
+ DWC_WARN("%s() HANG! Soft Reset GRSTCTL=%0x\n",
|
|
+ __func__, greset.d32);
|
|
+ break;
|
|
+ }
|
|
+ } while (greset.b.csftrst == 1);
|
|
+ /* Wait for 3 PHY Clocks */
|
|
+ mdelay(100);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Register HCD callbacks. The callbacks are used to start and stop
|
|
+ * the HCD for interrupt processing.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @_cb: the HCD callback structure.
|
|
+ * @_p: pointer to be passed to callback function (usb_hcd*).
|
|
+ */
|
|
+extern void dwc_otg_cil_register_hcd_callbacks(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_otg_cil_callbacks *_cb,
|
|
+ void *_p)
|
|
+{
|
|
+ core_if->hcd_cb = _cb;
|
|
+ _cb->p = _p;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Register PCD callbacks. The callbacks are used to start and stop
|
|
+ * the PCD for interrupt processing.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ * @_cb: the PCD callback structure.
|
|
+ * @_p: pointer to be passed to callback function (pcd*).
|
|
+ */
|
|
+extern void dwc_otg_cil_register_pcd_callbacks(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_otg_cil_callbacks *_cb,
|
|
+ void *_p)
|
|
+{
|
|
+ core_if->pcd_cb = _cb;
|
|
+ _cb->p = _p;
|
|
+}
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_cil.h b/drivers/usb/host/dwc_otg/dwc_otg_cil.h
|
|
new file mode 100644
|
|
index 0000000..36ef561
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_cil.h
|
|
@@ -0,0 +1,866 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+#if !defined(__DWC_CIL_H__)
|
|
+#define __DWC_CIL_H__
|
|
+
|
|
+#include "dwc_otg_plat.h"
|
|
+#include "dwc_otg_regs.h"
|
|
+#ifdef DEBUG
|
|
+#include "linux/timer.h"
|
|
+#endif
|
|
+
|
|
+/*
|
|
+ * This file contains the interface to the Core Interface Layer.
|
|
+ */
|
|
+
|
|
+/**
|
|
+ * The <code>dwc_ep</code> structure represents the state of a single
|
|
+ * endpoint when acting in device mode. It contains the data items
|
|
+ * needed for an endpoint to be activated and transfer packets.
|
|
+ */
|
|
+struct dwc_ep {
|
|
+ /** EP number used for register address lookup */
|
|
+ uint8_t num;
|
|
+ /** EP direction 0 = OUT */
|
|
+ unsigned is_in:1;
|
|
+ /** EP active. */
|
|
+ unsigned active:1;
|
|
+
|
|
+ /*
|
|
+ * Periodic Tx FIFO # for IN EPs For INTR EP set to 0 to use
|
|
+ * non-periodic Tx FIFO
|
|
+ */
|
|
+ unsigned tx_fifo_num:4;
|
|
+ /** EP type: 0 - Control, 1 - ISOC, 2 - BULK, 3 - INTR */
|
|
+ unsigned type:2;
|
|
+#define DWC_OTG_EP_TYPE_CONTROL 0
|
|
+#define DWC_OTG_EP_TYPE_ISOC 1
|
|
+#define DWC_OTG_EP_TYPE_BULK 2
|
|
+#define DWC_OTG_EP_TYPE_INTR 3
|
|
+
|
|
+ /** DATA start PID for INTR and BULK EP */
|
|
+ unsigned data_pid_start:1;
|
|
+ /** Frame (even/odd) for ISOC EP */
|
|
+ unsigned even_odd_frame:1;
|
|
+ /** Max Packet bytes */
|
|
+ unsigned maxpacket:11;
|
|
+
|
|
+ /** @name Transfer state */
|
|
+ /** @{ */
|
|
+
|
|
+ /**
|
|
+ * Pointer to the beginning of the transfer buffer -- do not modify
|
|
+ * during transfer.
|
|
+ */
|
|
+
|
|
+ uint32_t dma_addr;
|
|
+
|
|
+ uint8_t *start_xfer_buff;
|
|
+ /** pointer to the transfer buffer */
|
|
+ uint8_t *xfer_buff;
|
|
+ /** Number of bytes to transfer */
|
|
+ unsigned xfer_len:19;
|
|
+ /** Number of bytes transferred. */
|
|
+ unsigned xfer_count:19;
|
|
+ /** Sent ZLP */
|
|
+ unsigned sent_zlp:1;
|
|
+ /** Total len for control transfer */
|
|
+ unsigned total_len:19;
|
|
+
|
|
+ /** @} */
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Reasons for halting a host channel.
|
|
+ */
|
|
+enum dwc_otg_halt_status {
|
|
+ DWC_OTG_HC_XFER_NO_HALT_STATUS,
|
|
+ DWC_OTG_HC_XFER_COMPLETE,
|
|
+ DWC_OTG_HC_XFER_URB_COMPLETE,
|
|
+ DWC_OTG_HC_XFER_ACK,
|
|
+ DWC_OTG_HC_XFER_NAK,
|
|
+ DWC_OTG_HC_XFER_NYET,
|
|
+ DWC_OTG_HC_XFER_STALL,
|
|
+ DWC_OTG_HC_XFER_XACT_ERR,
|
|
+ DWC_OTG_HC_XFER_FRAME_OVERRUN,
|
|
+ DWC_OTG_HC_XFER_BABBLE_ERR,
|
|
+ DWC_OTG_HC_XFER_DATA_TOGGLE_ERR,
|
|
+ DWC_OTG_HC_XFER_AHB_ERR,
|
|
+ DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE,
|
|
+ DWC_OTG_HC_XFER_URB_DEQUEUE
|
|
+};
|
|
+
|
|
+/**
|
|
+ * Host channel descriptor. This structure represents the state of a single
|
|
+ * host channel when acting in host mode. It contains the data items needed to
|
|
+ * transfer packets to an endpoint via a host channel.
|
|
+ */
|
|
+struct dwc_hc {
|
|
+ /** Host channel number used for register address lookup */
|
|
+ uint8_t hc_num;
|
|
+
|
|
+ /** Device to access */
|
|
+ unsigned dev_addr:7;
|
|
+
|
|
+ /** EP to access */
|
|
+ unsigned ep_num:4;
|
|
+
|
|
+ /** EP direction. 0: OUT, 1: IN */
|
|
+ unsigned ep_is_in:1;
|
|
+
|
|
+ /**
|
|
+ * EP speed.
|
|
+ * One of the following values:
|
|
+ * - DWC_OTG_EP_SPEED_LOW
|
|
+ * - DWC_OTG_EP_SPEED_FULL
|
|
+ * - DWC_OTG_EP_SPEED_HIGH
|
|
+ */
|
|
+ unsigned speed:2;
|
|
+#define DWC_OTG_EP_SPEED_LOW 0
|
|
+#define DWC_OTG_EP_SPEED_FULL 1
|
|
+#define DWC_OTG_EP_SPEED_HIGH 2
|
|
+
|
|
+ /**
|
|
+ * Endpoint type.
|
|
+ * One of the following values:
|
|
+ * - DWC_OTG_EP_TYPE_CONTROL: 0
|
|
+ * - DWC_OTG_EP_TYPE_ISOC: 1
|
|
+ * - DWC_OTG_EP_TYPE_BULK: 2
|
|
+ * - DWC_OTG_EP_TYPE_INTR: 3
|
|
+ */
|
|
+ unsigned ep_type:2;
|
|
+
|
|
+ /** Max packet size in bytes */
|
|
+ unsigned max_packet:11;
|
|
+
|
|
+ /**
|
|
+ * PID for initial transaction.
|
|
+ * 0: DATA0,<br>
|
|
+ * 1: DATA2,<br>
|
|
+ * 2: DATA1,<br>
|
|
+ * 3: MDATA (non-Control EP),
|
|
+ * SETUP (Control EP)
|
|
+ */
|
|
+ unsigned data_pid_start:2;
|
|
+#define DWC_OTG_HC_PID_DATA0 0
|
|
+#define DWC_OTG_HC_PID_DATA2 1
|
|
+#define DWC_OTG_HC_PID_DATA1 2
|
|
+#define DWC_OTG_HC_PID_MDATA 3
|
|
+#define DWC_OTG_HC_PID_SETUP 3
|
|
+
|
|
+ /** Number of periodic transactions per (micro)frame */
|
|
+ unsigned multi_count:2;
|
|
+
|
|
+ /** @name Transfer State */
|
|
+ /** @{ */
|
|
+
|
|
+ /** Pointer to the current transfer buffer position. */
|
|
+ uint8_t *xfer_buff;
|
|
+ /** Total number of bytes to transfer. */
|
|
+ uint32_t xfer_len;
|
|
+ /** Number of bytes transferred so far. */
|
|
+ uint32_t xfer_count;
|
|
+ /** Packet count at start of transfer.*/
|
|
+ uint16_t start_pkt_count;
|
|
+
|
|
+ /**
|
|
+ * Flag to indicate whether the transfer has been started. Set to 1 if
|
|
+ * it has been started, 0 otherwise.
|
|
+ */
|
|
+ uint8_t xfer_started;
|
|
+
|
|
+ /**
|
|
+ * Set to 1 to indicate that a PING request should be issued on this
|
|
+ * channel. If 0, process normally.
|
|
+ */
|
|
+ uint8_t do_ping;
|
|
+
|
|
+ /**
|
|
+ * Set to 1 to indicate that the error count for this transaction is
|
|
+ * non-zero. Set to 0 if the error count is 0.
|
|
+ */
|
|
+ uint8_t error_state;
|
|
+
|
|
+ /**
|
|
+ * Set to 1 to indicate that this channel should be halted the next
|
|
+ * time a request is queued for the channel. This is necessary in
|
|
+ * slave mode if no request queue space is available when an attempt
|
|
+ * is made to halt the channel.
|
|
+ */
|
|
+ uint8_t halt_on_queue;
|
|
+
|
|
+ /**
|
|
+ * Set to 1 if the host channel has been halted, but the core is not
|
|
+ * finished flushing queued requests. Otherwise 0.
|
|
+ */
|
|
+ uint8_t halt_pending;
|
|
+
|
|
+ /**
|
|
+ * Reason for halting the host channel.
|
|
+ */
|
|
+ enum dwc_otg_halt_status halt_status;
|
|
+
|
|
+ /*
|
|
+ * Split settings for the host channel
|
|
+ */
|
|
+ uint8_t do_split; /**< Enable split for the channel */
|
|
+ uint8_t complete_split; /**< Enable complete split */
|
|
+ uint8_t hub_addr; /**< Address of high speed hub */
|
|
+
|
|
+ uint8_t port_addr; /**< Port of the low/full speed device */
|
|
+ /** Split transaction position
|
|
+ * One of the following values:
|
|
+ * - DWC_HCSPLIT_XACTPOS_MID
|
|
+ * - DWC_HCSPLIT_XACTPOS_BEGIN
|
|
+ * - DWC_HCSPLIT_XACTPOS_END
|
|
+ * - DWC_HCSPLIT_XACTPOS_ALL */
|
|
+ uint8_t xact_pos;
|
|
+
|
|
+ /** Set when the host channel does a short read. */
|
|
+ uint8_t short_read;
|
|
+
|
|
+ /**
|
|
+ * Number of requests issued for this channel since it was assigned to
|
|
+ * the current transfer (not counting PINGs).
|
|
+ */
|
|
+ uint8_t requests;
|
|
+
|
|
+ /**
|
|
+ * Queue Head for the transfer being processed by this channel.
|
|
+ */
|
|
+ struct dwc_otg_qh *qh;
|
|
+
|
|
+ /** @} */
|
|
+
|
|
+ /** Entry in list of host channels. */
|
|
+ struct list_head hc_list_entry;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * The following parameters may be specified when starting the module. These
|
|
+ * parameters define how the DWC_otg controller should be configured.
|
|
+ * Parameter values are passed to the CIL initialization function
|
|
+ * dwc_otg_cil_init.
|
|
+ */
|
|
+struct dwc_otg_core_params {
|
|
+ int32_t opt;
|
|
+#define dwc_param_opt_default 1
|
|
+
|
|
+ /*
|
|
+ * Specifies the OTG capabilities. The driver will automatically
|
|
+ * detect the value for this parameter if none is specified.
|
|
+ * 0 - HNP and SRP capable (default)
|
|
+ * 1 - SRP Only capable
|
|
+ * 2 - No HNP/SRP capable
|
|
+ */
|
|
+ int32_t otg_cap;
|
|
+#define DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE 0
|
|
+#define DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE 1
|
|
+#define DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE 2
|
|
+#define dwc_param_otg_cap_default DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE
|
|
+
|
|
+ /*
|
|
+ * Specifies whether to use slave or DMA mode for accessing the data
|
|
+ * FIFOs. The driver will automatically detect the value for this
|
|
+ * parameter if none is specified.
|
|
+ * 0 - Slave
|
|
+ * 1 - DMA (default, if available)
|
|
+ */
|
|
+ int32_t dma_enable;
|
|
+#define dwc_param_dma_enable_default 1
|
|
+
|
|
+ /*
|
|
+ * The DMA Burst size (applicable only for External DMA
|
|
+ * Mode). 1, 4, 8 16, 32, 64, 128, 256 (default 32)
|
|
+ */
|
|
+ int32_t dma_burst_size; /* Translate this to GAHBCFG values */
|
|
+#define dwc_param_dma_burst_size_default 32
|
|
+
|
|
+ /*
|
|
+ * Specifies the maximum speed of operation in host and device mode.
|
|
+ * The actual speed depends on the speed of the attached device and
|
|
+ * the value of phy_type. The actual speed depends on the speed of the
|
|
+ * attached device.
|
|
+ * 0 - High Speed (default)
|
|
+ * 1 - Full Speed
|
|
+ */
|
|
+ int32_t speed;
|
|
+#define dwc_param_speed_default 0
|
|
+#define DWC_SPEED_PARAM_HIGH 0
|
|
+#define DWC_SPEED_PARAM_FULL 1
|
|
+
|
|
+ /** Specifies whether low power mode is supported when attached
|
|
+ * to a Full Speed or Low Speed device in host mode.
|
|
+ * 0 - Don't support low power mode (default)
|
|
+ * 1 - Support low power mode
|
|
+ */
|
|
+ int32_t host_support_fs_ls_low_power;
|
|
+#define dwc_param_host_support_fs_ls_low_power_default 0
|
|
+
|
|
+ /** Specifies the PHY clock rate in low power mode when connected to a
|
|
+ * Low Speed device in host mode. This parameter is applicable only if
|
|
+ * HOST_SUPPORT_FS_LS_LOW_POWER is enabled. If PHY_TYPE is set to FS
|
|
+ * then defaults to 6 MHZ otherwise 48 MHZ.
|
|
+ *
|
|
+ * 0 - 48 MHz
|
|
+ * 1 - 6 MHz
|
|
+ */
|
|
+ int32_t host_ls_low_power_phy_clk;
|
|
+#define dwc_param_host_ls_low_power_phy_clk_default 0
|
|
+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ 0
|
|
+#define DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ 1
|
|
+
|
|
+ /**
|
|
+ * 0 - Use cC FIFO size parameters
|
|
+ * 1 - Allow dynamic FIFO sizing (default)
|
|
+ */
|
|
+ int32_t enable_dynamic_fifo;
|
|
+#define dwc_param_enable_dynamic_fifo_default 1
|
|
+
|
|
+ /** Total number of 4-byte words in the data FIFO memory. This
|
|
+ * memory includes the Rx FIFO, non-periodic Tx FIFO, and periodic
|
|
+ * Tx FIFOs.
|
|
+ * 32 to 32768 (default 8192)
|
|
+ * Note: The total FIFO memory depth in the FPGA configuration is 8192.
|
|
+ */
|
|
+ int32_t data_fifo_size;
|
|
+#define dwc_param_data_fifo_size_default 8192
|
|
+
|
|
+ /** Number of 4-byte words in the Rx FIFO in device mode when dynamic
|
|
+ * FIFO sizing is enabled.
|
|
+ * 16 to 32768 (default 1064)
|
|
+ */
|
|
+ int32_t dev_rx_fifo_size;
|
|
+#define dwc_param_dev_rx_fifo_size_default 1064
|
|
+
|
|
+ /** Number of 4-byte words in the non-periodic Tx FIFO in device mode
|
|
+ * when dynamic FIFO sizing is enabled.
|
|
+ * 16 to 32768 (default 1024)
|
|
+ */
|
|
+ int32_t dev_nperio_tx_fifo_size;
|
|
+#define dwc_param_dev_nperio_tx_fifo_size_default 1024
|
|
+
|
|
+ /** Number of 4-byte words in each of the periodic Tx FIFOs in device
|
|
+ * mode when dynamic FIFO sizing is enabled.
|
|
+ * 4 to 768 (default 256)
|
|
+ */
|
|
+ uint32_t dev_perio_tx_fifo_size[MAX_PERIO_FIFOS];
|
|
+#define dwc_param_dev_perio_tx_fifo_size_default 256
|
|
+
|
|
+ /** Number of 4-byte words in the Rx FIFO in host mode when dynamic
|
|
+ * FIFO sizing is enabled.
|
|
+ * 16 to 32768 (default 1024)
|
|
+ */
|
|
+ int32_t host_rx_fifo_size;
|
|
+#define dwc_param_host_rx_fifo_size_default 1024
|
|
+#define dwc_param_host_rx_fifo_size_percentage 30
|
|
+
|
|
+ /** Number of 4-byte words in the non-periodic Tx FIFO in host mode
|
|
+ * when Dynamic FIFO sizing is enabled in the core.
|
|
+ * 16 to 32768 (default 1024)
|
|
+ */
|
|
+ int32_t host_nperio_tx_fifo_size;
|
|
+#define dwc_param_host_nperio_tx_fifo_size_default 1024
|
|
+#define dwc_param_host_nperio_tx_fifo_size_percentage 40
|
|
+
|
|
+ /*
|
|
+ * Number of 4-byte words in the host periodic Tx FIFO when dynamic
|
|
+ * FIFO sizing is enabled.
|
|
+ * 16 to 32768 (default 1024)
|
|
+ */
|
|
+ int32_t host_perio_tx_fifo_size;
|
|
+#define dwc_param_host_perio_tx_fifo_size_default 1024
|
|
+#define dwc_param_host_perio_tx_fifo_size_percentage 30
|
|
+
|
|
+ /*
|
|
+ * The maximum transfer size supported in bytes.
|
|
+ * 2047 to 65,535 (default 65,535)
|
|
+ */
|
|
+ int32_t max_transfer_size;
|
|
+#define dwc_param_max_transfer_size_default 65535
|
|
+
|
|
+ /*
|
|
+ * The maximum number of packets in a transfer.
|
|
+ * 15 to 511 (default 511)
|
|
+ */
|
|
+ int32_t max_packet_count;
|
|
+#define dwc_param_max_packet_count_default 511
|
|
+
|
|
+ /*
|
|
+ * The number of host channel registers to use.
|
|
+ * 1 to 16 (default 12)
|
|
+ * Note: The FPGA configuration supports a maximum of 12 host channels.
|
|
+ */
|
|
+ int32_t host_channels;
|
|
+#define dwc_param_host_channels_default 12
|
|
+
|
|
+ /*
|
|
+ * The number of endpoints in addition to EP0 available for device
|
|
+ * mode operations.
|
|
+ * 1 to 15 (default 6 IN and OUT)
|
|
+ * Note: The FPGA configuration supports a maximum of 6 IN and OUT
|
|
+ * endpoints in addition to EP0.
|
|
+ */
|
|
+ int32_t dev_endpoints;
|
|
+#define dwc_param_dev_endpoints_default 6
|
|
+
|
|
+ /*
|
|
+ * Specifies the type of PHY interface to use. By default, the driver
|
|
+ * will automatically detect the phy_type.
|
|
+ *
|
|
+ * 0 - Full Speed PHY
|
|
+ * 1 - UTMI+ (default)
|
|
+ * 2 - ULPI
|
|
+ */
|
|
+ int32_t phy_type;
|
|
+#define DWC_PHY_TYPE_PARAM_FS 0
|
|
+#define DWC_PHY_TYPE_PARAM_UTMI 1
|
|
+#define DWC_PHY_TYPE_PARAM_ULPI 2
|
|
+#define dwc_param_phy_type_default DWC_PHY_TYPE_PARAM_UTMI
|
|
+
|
|
+ /*
|
|
+ * Specifies the UTMI+ Data Width. This parameter is
|
|
+ * applicable for a PHY_TYPE of UTMI+ or ULPI. (For a ULPI
|
|
+ * PHY_TYPE, this parameter indicates the data width between
|
|
+ * the MAC and the ULPI Wrapper.) Also, this parameter is
|
|
+ * applicable only if the OTG_HSPHY_WIDTH cC parameter was set
|
|
+ * to "8 and 16 bits", meaning that the core has been
|
|
+ * configured to work at either data path width.
|
|
+ *
|
|
+ * 8 or 16 bits (default 16)
|
|
+ */
|
|
+ int32_t phy_utmi_width;
|
|
+#define dwc_param_phy_utmi_width_default 16
|
|
+
|
|
+ /*
|
|
+ * Specifies whether the ULPI operates at double or single
|
|
+ * data rate. This parameter is only applicable if PHY_TYPE is
|
|
+ * ULPI.
|
|
+ *
|
|
+ * 0 - single data rate ULPI interface with 8 bit wide data
|
|
+ * bus (default)
|
|
+ * 1 - double data rate ULPI interface with 4 bit wide data
|
|
+ * bus
|
|
+ */
|
|
+ int32_t phy_ulpi_ddr;
|
|
+#define dwc_param_phy_ulpi_ddr_default 0
|
|
+
|
|
+ /*
|
|
+ * Specifies whether to use the internal or external supply to
|
|
+ * drive the vbus with a ULPI phy.
|
|
+ */
|
|
+ int32_t phy_ulpi_ext_vbus;
|
|
+#define DWC_PHY_ULPI_INTERNAL_VBUS 0
|
|
+#define DWC_PHY_ULPI_EXTERNAL_VBUS 1
|
|
+#define dwc_param_phy_ulpi_ext_vbus_default DWC_PHY_ULPI_INTERNAL_VBUS
|
|
+
|
|
+ /*
|
|
+ * Specifies whether to use the I2Cinterface for full speed PHY. This
|
|
+ * parameter is only applicable if PHY_TYPE is FS.
|
|
+ * 0 - No (default)
|
|
+ * 1 - Yes
|
|
+ */
|
|
+ int32_t i2c_enable;
|
|
+#define dwc_param_i2c_enable_default 0
|
|
+
|
|
+ int32_t ulpi_fs_ls;
|
|
+#define dwc_param_ulpi_fs_ls_default 0
|
|
+
|
|
+ int32_t ts_dline;
|
|
+#define dwc_param_ts_dline_default 0
|
|
+
|
|
+};
|
|
+
|
|
+/**
|
|
+ * The FIFOs are established based on a default percentage of the total
|
|
+ * FIFO depth. This check insures that the defaults are reasonable.
|
|
+ */
|
|
+#if (((dwc_param_host_rx_fifo_size_percentage) \
|
|
+ +(dwc_param_host_nperio_tx_fifo_size_percentage) \
|
|
+ +(dwc_param_host_perio_tx_fifo_size_percentage)) > 100)
|
|
+#error Invalid FIFO allocation
|
|
+#endif
|
|
+
|
|
+#ifdef DEBUG
|
|
+struct dwc_otg_core_if;
|
|
+struct hc_xfer_info {
|
|
+ struct dwc_otg_core_if *core_if;
|
|
+ struct dwc_hc *hc;
|
|
+};
|
|
+#endif
|
|
+
|
|
+/*
|
|
+ * The <code>dwc_otg_core_if</code> structure contains information
|
|
+ * needed to manage the DWC_otg controller acting in either host or
|
|
+ * device mode. It represents the programming view of the controller
|
|
+ * as a whole.
|
|
+ */
|
|
+struct dwc_otg_core_if {
|
|
+ /** USB block index number for Octeon's that support multiple */
|
|
+ int usb_num;
|
|
+
|
|
+ /** Parameters that define how the core should be configured.*/
|
|
+ struct dwc_otg_core_params *core_params;
|
|
+
|
|
+ /** Core Global registers starting at offset 000h. */
|
|
+ struct dwc_otg_core_global_regs *core_global_regs;
|
|
+
|
|
+ /** Device-specific information */
|
|
+ struct dwc_otg_dev_if *dev_if;
|
|
+ /** Host-specific information */
|
|
+ struct dwc_otg_host_if *host_if;
|
|
+
|
|
+ /*
|
|
+ * Set to 1 if the core PHY interface bits in USBCFG have been
|
|
+ * initialized.
|
|
+ */
|
|
+ uint8_t phy_init_done;
|
|
+
|
|
+ /*
|
|
+ * SRP Success flag, set by srp success interrupt in FS I2C mode
|
|
+ */
|
|
+ uint8_t srp_success;
|
|
+ uint8_t srp_timer_started;
|
|
+
|
|
+ /* Common configuration information */
|
|
+ /** Power and Clock Gating Control Register */
|
|
+ uint32_t *pcgcctl;
|
|
+#define DWC_OTG_PCGCCTL_OFFSET 0xE00
|
|
+
|
|
+ /** Push/pop addresses for endpoints or host channels.*/
|
|
+ uint32_t *data_fifo[MAX_EPS_CHANNELS];
|
|
+#define DWC_OTG_DATA_FIFO_OFFSET 0x1000
|
|
+#define DWC_OTG_DATA_FIFO_SIZE 0x1000
|
|
+
|
|
+ /** Total RAM for FIFOs (Bytes) */
|
|
+ uint16_t total_fifo_size;
|
|
+ /** Size of Rx FIFO (Bytes) */
|
|
+ uint16_t rx_fifo_size;
|
|
+ /** Size of Non-periodic Tx FIFO (Bytes) */
|
|
+ uint16_t nperio_tx_fifo_size;
|
|
+
|
|
+ /** 1 if DMA is enabled, 0 otherwise. */
|
|
+ uint8_t dma_enable;
|
|
+
|
|
+ /** Set to 1 if multiple packets of a high-bandwidth transfer is in
|
|
+ * process of being queued */
|
|
+ uint8_t queuing_high_bandwidth;
|
|
+
|
|
+ /** Hardware Configuration -- stored here for convenience.*/
|
|
+ union hwcfg1_data hwcfg1;
|
|
+ union hwcfg2_data hwcfg2;
|
|
+ union hwcfg3_data hwcfg3;
|
|
+ union hwcfg4_data hwcfg4;
|
|
+
|
|
+ /*
|
|
+ * The operational State, during transations
|
|
+ * (a_host>>a_peripherial and b_device=>b_host) this may not
|
|
+ * match the core but allows the software to determine
|
|
+ * transitions.
|
|
+ */
|
|
+ uint8_t op_state;
|
|
+
|
|
+ /*
|
|
+ * Set to 1 if the HCD needs to be restarted on a session request
|
|
+ * interrupt. This is required if no connector ID status change has
|
|
+ * occurred since the HCD was last disconnected.
|
|
+ */
|
|
+ uint8_t restart_hcd_on_session_req;
|
|
+
|
|
+ /** HCD callbacks */
|
|
+ /** A-Device is a_host */
|
|
+#define A_HOST (1)
|
|
+ /** A-Device is a_suspend */
|
|
+#define A_SUSPEND (2)
|
|
+ /** A-Device is a_peripherial */
|
|
+#define A_PERIPHERAL (3)
|
|
+ /** B-Device is operating as a Peripheral. */
|
|
+#define B_PERIPHERAL (4)
|
|
+ /** B-Device is operating as a Host. */
|
|
+#define B_HOST (5)
|
|
+
|
|
+ /** HCD callbacks */
|
|
+ struct dwc_otg_cil_callbacks *hcd_cb;
|
|
+ /** PCD callbacks */
|
|
+ struct dwc_otg_cil_callbacks *pcd_cb;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ uint32_t start_hcchar_val[MAX_EPS_CHANNELS];
|
|
+
|
|
+ struct hc_xfer_info hc_xfer_info[MAX_EPS_CHANNELS];
|
|
+ struct timer_list hc_xfer_timer[MAX_EPS_CHANNELS];
|
|
+
|
|
+ uint32_t hfnum_7_samples;
|
|
+ uint64_t hfnum_7_frrem_accum;
|
|
+ uint32_t hfnum_0_samples;
|
|
+ uint64_t hfnum_0_frrem_accum;
|
|
+ uint32_t hfnum_other_samples;
|
|
+ uint64_t hfnum_other_frrem_accum;
|
|
+#endif
|
|
+
|
|
+};
|
|
+
|
|
+/*
|
|
+ * The following functions support initialization of the CIL driver component
|
|
+ * and the DWC_otg controller.
|
|
+ */
|
|
+extern struct dwc_otg_core_if *dwc_otg_cil_init(const uint32_t *reg_base_addr,
|
|
+ struct dwc_otg_core_params *
|
|
+ _core_params);
|
|
+extern void dwc_otg_cil_remove(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_core_init(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_core_host_init(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_core_dev_init(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_enable_global_interrupts(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_disable_global_interrupts(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+/* Device CIL Functions
|
|
+ * The following functions support managing the DWC_otg controller in device
|
|
+ * mode.
|
|
+ */
|
|
+
|
|
+extern void dwc_otg_wakeup(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_read_setup_packet(struct dwc_otg_core_if *core_if,
|
|
+ uint32_t *dest);
|
|
+extern uint32_t dwc_otg_get_frame_number(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_ep0_activate(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep_activate(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep_deactivate(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep_start_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep0_start_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep0_continue_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep_write_packet(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep, int _dma);
|
|
+extern void dwc_otg_ep_set_stall(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_ep_clear_stall(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_ep *ep);
|
|
+extern void dwc_otg_enable_device_interrupts(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_dump_dev_registers(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+/* Host CIL Functions
|
|
+ * The following functions support managing the DWC_otg controller in host
|
|
+ * mode.
|
|
+ */
|
|
+
|
|
+extern void dwc_otg_hc_init(struct dwc_otg_core_if *core_if, struct dwc_hc *hc);
|
|
+extern void dwc_otg_hc_halt(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc,
|
|
+ enum dwc_otg_halt_status halt_status);
|
|
+extern void dwc_otg_hc_cleanup(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc);
|
|
+extern void dwc_otg_hc_start_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc);
|
|
+extern int dwc_otg_hc_continue_transfer(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc);
|
|
+extern void dwc_otg_hc_do_ping(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc);
|
|
+extern void dwc_otg_hc_write_packet(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc);
|
|
+extern void dwc_otg_enable_host_interrupts(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_disable_host_interrupts(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+/**
|
|
+ * This function Reads HPRT0 in preparation to modify. It keeps the
|
|
+ * WC bits 0 so that if they are read as 1, they won't clear when you
|
|
+ * write it back
|
|
+ */
|
|
+static inline uint32_t dwc_otg_read_hprt0(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union hprt0_data hprt0;
|
|
+ hprt0.d32 = dwc_read_reg32(core_if->host_if->hprt0);
|
|
+ hprt0.b.prtena = 0;
|
|
+ hprt0.b.prtconndet = 0;
|
|
+ hprt0.b.prtenchng = 0;
|
|
+ hprt0.b.prtovrcurrchng = 0;
|
|
+ return hprt0.d32;
|
|
+}
|
|
+
|
|
+extern void dwc_otg_dump_host_registers(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+/* Common CIL Functions
|
|
+ * The following functions support managing the DWC_otg controller in either
|
|
+ * device or host mode.
|
|
+ */
|
|
+
|
|
+
|
|
+extern void dwc_otg_read_packet(struct dwc_otg_core_if *core_if,
|
|
+ uint8_t *dest, uint16_t bytes);
|
|
+
|
|
+extern void dwc_otg_dump_global_registers(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+extern void dwc_otg_flush_tx_fifo(struct dwc_otg_core_if *core_if,
|
|
+ const int _num);
|
|
+extern void dwc_otg_flush_rx_fifo(struct dwc_otg_core_if *core_if);
|
|
+extern void dwc_otg_core_reset(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+/**
|
|
+ * This function returns the Core Interrupt register.
|
|
+ */
|
|
+static inline uint32_t dwc_otg_read_core_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return dwc_read_reg32(&core_if->core_global_regs->gintsts) &
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gintmsk);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function returns the OTG Interrupt register.
|
|
+ */
|
|
+static inline uint32_t dwc_otg_read_otg_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return dwc_read_reg32(&core_if->core_global_regs->gotgint);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function reads the Device All Endpoints Interrupt register and
|
|
+ * returns the IN endpoint interrupt bits.
|
|
+ */
|
|
+static inline uint32_t dwc_otg_read_dev_all_in_ep_intr(struct dwc_otg_core_if *
|
|
+ core_if)
|
|
+{
|
|
+ uint32_t v;
|
|
+ v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) &
|
|
+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk);
|
|
+ return v & 0xffff;
|
|
+
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function reads the Device All Endpoints Interrupt register and
|
|
+ * returns the OUT endpoint interrupt bits.
|
|
+ */
|
|
+static inline uint32_t
|
|
+dwc_otg_read_dev_all_out_ep_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ uint32_t v;
|
|
+ v = dwc_read_reg32(&core_if->dev_if->dev_global_regs->daint) &
|
|
+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->daintmsk);
|
|
+ return (v & 0xffff0000) >> 16;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function returns the Device IN EP Interrupt register
|
|
+ */
|
|
+static inline uint32_t
|
|
+dwc_otg_read_dev_in_ep_intr(struct dwc_otg_core_if *core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ struct dwc_otg_dev_if *dev_if = core_if->dev_if;
|
|
+ uint32_t v;
|
|
+ v = dwc_read_reg32(&dev_if->in_ep_regs[ep->num]->diepint) &
|
|
+ dwc_read_reg32(&dev_if->dev_global_regs->diepmsk);
|
|
+ return v;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function returns the Device OUT EP Interrupt register
|
|
+ */
|
|
+static inline uint32_t dwc_otg_read_dev_out_ep_intr(struct dwc_otg_core_if *
|
|
+ core_if, struct dwc_ep *ep)
|
|
+{
|
|
+ struct dwc_otg_dev_if *dev_if = core_if->dev_if;
|
|
+ uint32_t v;
|
|
+ v = dwc_read_reg32(&dev_if->out_ep_regs[ep->num]->doepint) &
|
|
+ dwc_read_reg32(&dev_if->dev_global_regs->diepmsk);
|
|
+ return v;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function returns the Host All Channel Interrupt register
|
|
+ */
|
|
+static inline uint32_t
|
|
+dwc_otg_read_host_all_channels_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return dwc_read_reg32(&core_if->host_if->host_global_regs->haint);
|
|
+}
|
|
+
|
|
+static inline uint32_t
|
|
+dwc_otg_read_host_channel_intr(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_hc *hc)
|
|
+{
|
|
+ return dwc_read_reg32(&core_if->host_if->hc_regs[hc->hc_num]->hcint);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function returns the mode of the operation, host or device.
|
|
+ *
|
|
+ * Returns 0 - Device Mode, 1 - Host Mode
|
|
+ */
|
|
+static inline uint32_t dwc_otg_mode(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return dwc_read_reg32(&core_if->core_global_regs->gintsts) & 0x1;
|
|
+}
|
|
+
|
|
+static inline uint8_t dwc_otg_is_device_mode(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return dwc_otg_mode(core_if) != DWC_HOST_MODE;
|
|
+}
|
|
+
|
|
+static inline uint8_t dwc_otg_is_host_mode(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return dwc_otg_mode(core_if) == DWC_HOST_MODE;
|
|
+}
|
|
+
|
|
+extern int32_t dwc_otg_handle_common_intr(struct dwc_otg_core_if *core_if);
|
|
+
|
|
+/*
|
|
+ * DWC_otg CIL callback structure. This structure allows the HCD and
|
|
+ * PCD to register functions used for starting and stopping the PCD
|
|
+ * and HCD for role change on for a DRD.
|
|
+ */
|
|
+struct dwc_otg_cil_callbacks {
|
|
+ /* Start function for role change */
|
|
+ int (*start) (void *p);
|
|
+ /* Stop Function for role change */
|
|
+ int (*stop) (void *p);
|
|
+ /* Disconnect Function for role change */
|
|
+ int (*disconnect) (void *p);
|
|
+ /* Resume/Remote wakeup Function */
|
|
+ int (*resume_wakeup) (void *p);
|
|
+ /* Suspend function */
|
|
+ int (*suspend) (void *p);
|
|
+ /* Session Start (SRP) */
|
|
+ int (*session_start) (void *p);
|
|
+ /* Pointer passed to start() and stop() */
|
|
+ void *p;
|
|
+};
|
|
+
|
|
+extern void dwc_otg_cil_register_pcd_callbacks(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_otg_cil_callbacks *cb,
|
|
+ void *p);
|
|
+extern void dwc_otg_cil_register_hcd_callbacks(struct dwc_otg_core_if *core_if,
|
|
+ struct dwc_otg_cil_callbacks *cb,
|
|
+ void *p);
|
|
+#endif
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_cil_intr.c b/drivers/usb/host/dwc_otg/dwc_otg_cil_intr.c
|
|
new file mode 100644
|
|
index 0000000..38c46df
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_cil_intr.c
|
|
@@ -0,0 +1,689 @@
|
|
+/* ==========================================================================
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+/**
|
|
+ *
|
|
+ * The Core Interface Layer provides basic services for accessing and
|
|
+ * managing the DWC_otg hardware. These services are used by both the
|
|
+ * Host Controller Driver and the Peripheral Controller Driver.
|
|
+ *
|
|
+ * This file contains the Common Interrupt handlers.
|
|
+ */
|
|
+#include "dwc_otg_plat.h"
|
|
+#include "dwc_otg_regs.h"
|
|
+#include "dwc_otg_cil.h"
|
|
+
|
|
+#ifdef DEBUG
|
|
+inline const char *op_state_str(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ return (core_if->op_state == A_HOST ? "a_host" :
|
|
+ (core_if->op_state == A_SUSPEND ? "a_suspend" :
|
|
+ (core_if->op_state == A_PERIPHERAL ? "a_peripheral" :
|
|
+ (core_if->op_state == B_PERIPHERAL ? "b_peripheral" :
|
|
+ (core_if->op_state == B_HOST ? "b_host" : "unknown")))));
|
|
+}
|
|
+#endif
|
|
+
|
|
+/** This function will log a debug message
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+int32_t dwc_otg_handle_mode_mismatch_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+ DWC_WARN("Mode Mismatch Interrupt: currently in %s mode\n",
|
|
+ dwc_otg_mode(core_if) ? "Host" : "Device");
|
|
+
|
|
+ /* Clear interrupt */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.modemismatch = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/** Start the HCD. Helper function for using the HCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void hcd_start(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->hcd_cb && core_if->hcd_cb->start)
|
|
+ core_if->hcd_cb->start(core_if->hcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Stop the HCD. Helper function for using the HCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void hcd_stop(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->hcd_cb && core_if->hcd_cb->stop)
|
|
+ core_if->hcd_cb->stop(core_if->hcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Disconnect the HCD. Helper function for using the HCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void hcd_disconnect(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->hcd_cb && core_if->hcd_cb->disconnect)
|
|
+ core_if->hcd_cb->disconnect(core_if->hcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Inform the HCD the a New Session has begun. Helper function for
|
|
+ * using the HCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void hcd_session_start(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->hcd_cb && core_if->hcd_cb->session_start)
|
|
+ core_if->hcd_cb->session_start(core_if->hcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Start the PCD. Helper function for using the PCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void pcd_start(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->pcd_cb && core_if->pcd_cb->start)
|
|
+ core_if->pcd_cb->start(core_if->pcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Stop the PCD. Helper function for using the PCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void pcd_stop(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->pcd_cb && core_if->pcd_cb->stop)
|
|
+ core_if->pcd_cb->stop(core_if->pcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Suspend the PCD. Helper function for using the PCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void pcd_suspend(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->pcd_cb && core_if->pcd_cb->suspend)
|
|
+ core_if->pcd_cb->suspend(core_if->pcd_cb->p);
|
|
+}
|
|
+
|
|
+/** Resume the PCD. Helper function for using the PCD callbacks.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+static inline void pcd_resume(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ if (core_if->pcd_cb && core_if->pcd_cb->resume_wakeup)
|
|
+ core_if->pcd_cb->resume_wakeup(core_if->pcd_cb->p);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function handles the OTG Interrupts. It reads the OTG
|
|
+ * Interrupt Register (GOTGINT) to determine what interrupt has
|
|
+ * occurred.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+int32_t dwc_otg_handle_otg_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ struct dwc_otg_core_global_regs *global_regs = core_if->core_global_regs;
|
|
+ union gotgint_data gotgint;
|
|
+ union gotgctl_data gotgctl;
|
|
+ union gintmsk_data gintmsk;
|
|
+
|
|
+ gotgint.d32 = dwc_read_reg32(&global_regs->gotgint);
|
|
+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl);
|
|
+ DWC_DEBUGPL(DBG_CIL, "++OTG Interrupt gotgint=%0x [%s]\n", gotgint.d32,
|
|
+ op_state_str(core_if));
|
|
+
|
|
+ if (gotgint.b.sesenddet) {
|
|
+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: "
|
|
+ "Session End Detected++ (%s)\n",
|
|
+ op_state_str(core_if));
|
|
+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl);
|
|
+
|
|
+ if (core_if->op_state == B_HOST) {
|
|
+ pcd_start(core_if);
|
|
+ core_if->op_state = B_PERIPHERAL;
|
|
+ } else {
|
|
+ /* If not B_HOST and Device HNP still set. HNP
|
|
+ * Did not succeed!*/
|
|
+ if (gotgctl.b.devhnpen) {
|
|
+ DWC_DEBUGPL(DBG_ANY, "Session End Detected\n");
|
|
+ DWC_ERROR("Device Not Connected/Responding!\n");
|
|
+ }
|
|
+
|
|
+ /* If Session End Detected the B-Cable has
|
|
+ * been disconnected. */
|
|
+ /* Reset PCD and Gadget driver to a
|
|
+ * clean state. */
|
|
+ pcd_stop(core_if);
|
|
+ }
|
|
+ gotgctl.d32 = 0;
|
|
+ gotgctl.b.devhnpen = 1;
|
|
+ dwc_modify_reg32(&global_regs->gotgctl, gotgctl.d32, 0);
|
|
+ }
|
|
+ if (gotgint.b.sesreqsucstschng) {
|
|
+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: "
|
|
+ "Session Reqeust Success Status Change++\n");
|
|
+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl);
|
|
+ if (gotgctl.b.sesreqscs) {
|
|
+ if ((core_if->core_params->phy_type ==
|
|
+ DWC_PHY_TYPE_PARAM_FS)
|
|
+ && (core_if->core_params->i2c_enable)) {
|
|
+ core_if->srp_success = 1;
|
|
+ } else {
|
|
+ pcd_resume(core_if);
|
|
+ /* Clear Session Request */
|
|
+ gotgctl.d32 = 0;
|
|
+ gotgctl.b.sesreq = 1;
|
|
+ dwc_modify_reg32(&global_regs->gotgctl,
|
|
+ gotgctl.d32, 0);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ if (gotgint.b.hstnegsucstschng) {
|
|
+ /* Print statements during the HNP interrupt handling
|
|
+ * can cause it to fail.*/
|
|
+ gotgctl.d32 = dwc_read_reg32(&global_regs->gotgctl);
|
|
+ if (gotgctl.b.hstnegscs) {
|
|
+ if (dwc_otg_is_host_mode(core_if)) {
|
|
+ core_if->op_state = B_HOST;
|
|
+ /*
|
|
+ * Need to disable SOF interrupt immediately.
|
|
+ * When switching from device to host, the PCD
|
|
+ * interrupt handler won't handle the
|
|
+ * interrupt if host mode is already set. The
|
|
+ * HCD interrupt handler won't get called if
|
|
+ * the HCD state is HALT. This means that the
|
|
+ * interrupt does not get handled and Linux
|
|
+ * complains loudly.
|
|
+ */
|
|
+ gintmsk.d32 = 0;
|
|
+ gintmsk.b.sofintr = 1;
|
|
+ dwc_modify_reg32(&global_regs->gintmsk,
|
|
+ gintmsk.d32, 0);
|
|
+ pcd_stop(core_if);
|
|
+ /*
|
|
+ * Initialize the Core for Host mode.
|
|
+ */
|
|
+ hcd_start(core_if);
|
|
+ core_if->op_state = B_HOST;
|
|
+ }
|
|
+ } else {
|
|
+ gotgctl.d32 = 0;
|
|
+ gotgctl.b.hnpreq = 1;
|
|
+ gotgctl.b.devhnpen = 1;
|
|
+ dwc_modify_reg32(&global_regs->gotgctl, gotgctl.d32, 0);
|
|
+ DWC_DEBUGPL(DBG_ANY, "HNP Failed\n");
|
|
+ DWC_ERROR("Device Not Connected/Responding\n");
|
|
+ }
|
|
+ }
|
|
+ if (gotgint.b.hstnegdet) {
|
|
+ /* The disconnect interrupt is set at the same time as
|
|
+ * Host Negotiation Detected. During the mode
|
|
+ * switch all interrupts are cleared so the disconnect
|
|
+ * interrupt handler will not get executed.
|
|
+ */
|
|
+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: "
|
|
+ "Host Negotiation Detected++ (%s)\n",
|
|
+ (dwc_otg_is_host_mode(core_if) ? "Host" :
|
|
+ "Device"));
|
|
+ if (dwc_otg_is_device_mode(core_if)) {
|
|
+ DWC_DEBUGPL(DBG_ANY, "a_suspend->a_peripheral (%d)\n",
|
|
+ core_if->op_state);
|
|
+ hcd_disconnect(core_if);
|
|
+ pcd_start(core_if);
|
|
+ core_if->op_state = A_PERIPHERAL;
|
|
+ } else {
|
|
+ /*
|
|
+ * Need to disable SOF interrupt immediately. When
|
|
+ * switching from device to host, the PCD interrupt
|
|
+ * handler won't handle the interrupt if host mode is
|
|
+ * already set. The HCD interrupt handler won't get
|
|
+ * called if the HCD state is HALT. This means that
|
|
+ * the interrupt does not get handled and Linux
|
|
+ * complains loudly.
|
|
+ */
|
|
+ gintmsk.d32 = 0;
|
|
+ gintmsk.b.sofintr = 1;
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, gintmsk.d32, 0);
|
|
+ pcd_stop(core_if);
|
|
+ hcd_start(core_if);
|
|
+ core_if->op_state = A_HOST;
|
|
+ }
|
|
+ }
|
|
+ if (gotgint.b.adevtoutchng)
|
|
+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: "
|
|
+ "A-Device Timeout Change++\n");
|
|
+ if (gotgint.b.debdone)
|
|
+ DWC_DEBUGPL(DBG_ANY, " ++OTG Interrupt: " "Debounce Done++\n");
|
|
+
|
|
+ /* Clear GOTGINT */
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gotgint, gotgint.d32);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function handles the Connector ID Status Change Interrupt. It
|
|
+ * reads the OTG Interrupt Register (GOTCTL) to determine whether this
|
|
+ * is a Device to Host Mode transition or a Host Mode to Device
|
|
+ * Transition.
|
|
+ *
|
|
+ * This only occurs when the cable is connected/removed from the PHY
|
|
+ * connector.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+int32_t dwc_otg_handle_conn_id_status_change_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ uint32_t count = 0;
|
|
+
|
|
+ union gintsts_data gintsts = {.d32 = 0 };
|
|
+ union gintmsk_data gintmsk = {.d32 = 0 };
|
|
+ union gotgctl_data gotgctl = {.d32 = 0 };
|
|
+
|
|
+ /*
|
|
+ * Need to disable SOF interrupt immediately. If switching from device
|
|
+ * to host, the PCD interrupt handler won't handle the interrupt if
|
|
+ * host mode is already set. The HCD interrupt handler won't get
|
|
+ * called if the HCD state is HALT. This means that the interrupt does
|
|
+ * not get handled and Linux complains loudly.
|
|
+ */
|
|
+ gintmsk.b.sofintr = 1;
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->gintmsk, gintmsk.d32, 0);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_CIL,
|
|
+ " ++Connector ID Status Change Interrupt++ (%s)\n",
|
|
+ (dwc_otg_is_host_mode(core_if) ? "Host" : "Device"));
|
|
+ gotgctl.d32 = dwc_read_reg32(&core_if->core_global_regs->gotgctl);
|
|
+ DWC_DEBUGPL(DBG_CIL, "gotgctl=%0x\n", gotgctl.d32);
|
|
+ DWC_DEBUGPL(DBG_CIL, "gotgctl.b.conidsts=%d\n", gotgctl.b.conidsts);
|
|
+
|
|
+ /* B-Device connector (Device Mode) */
|
|
+ if (gotgctl.b.conidsts) {
|
|
+ /* Wait for switch to device mode. */
|
|
+ while (!dwc_otg_is_device_mode(core_if)) {
|
|
+ DWC_PRINT("Waiting for Peripheral Mode, Mode=%s\n",
|
|
+ (dwc_otg_is_host_mode(core_if) ? "Host" :
|
|
+ "Peripheral"));
|
|
+ mdelay(100);
|
|
+ if (++count > 10000)
|
|
+ *(uint32_t *) NULL = 0;
|
|
+ }
|
|
+ core_if->op_state = B_PERIPHERAL;
|
|
+ dwc_otg_core_init(core_if);
|
|
+ dwc_otg_enable_global_interrupts(core_if);
|
|
+ pcd_start(core_if);
|
|
+ } else {
|
|
+ /* A-Device connector (Host Mode) */
|
|
+ while (!dwc_otg_is_host_mode(core_if)) {
|
|
+ DWC_PRINT("Waiting for Host Mode, Mode=%s\n",
|
|
+ (dwc_otg_is_host_mode(core_if) ? "Host" :
|
|
+ "Peripheral"));
|
|
+ mdelay(100);
|
|
+ if (++count > 10000)
|
|
+ *(uint32_t *) NULL = 0;
|
|
+ }
|
|
+ core_if->op_state = A_HOST;
|
|
+ /*
|
|
+ * Initialize the Core for Host mode.
|
|
+ */
|
|
+ dwc_otg_core_init(core_if);
|
|
+ dwc_otg_enable_global_interrupts(core_if);
|
|
+ hcd_start(core_if);
|
|
+ }
|
|
+
|
|
+ /* Set flag and clear interrupt */
|
|
+ gintsts.b.conidstschng = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This interrupt indicates that a device is initiating the Session
|
|
+ * Request Protocol to request the host to turn on bus power so a new
|
|
+ * session can begin. The handler responds by turning on bus power. If
|
|
+ * the DWC_otg controller is in low power mode, the handler brings the
|
|
+ * controller out of low power mode before turning on bus power.
|
|
+ *
|
|
+ * @core_if: Programming view of DWC_otg controller.
|
|
+ */
|
|
+int32_t dwc_otg_handle_session_req_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ union hprt0_data hprt0;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_ANY, "++Session Request Interrupt++\n");
|
|
+
|
|
+ if (dwc_otg_is_device_mode(core_if)) {
|
|
+ DWC_PRINT("SRP: Device mode\n");
|
|
+ } else {
|
|
+ DWC_PRINT("SRP: Host mode\n");
|
|
+
|
|
+ /* Turn on the port power bit. */
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtpwr = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+
|
|
+ /* Start the Connection timer. So a message can be displayed
|
|
+ * if connect does not occur within 10 seconds. */
|
|
+ hcd_session_start(core_if);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ /* Clear interrupt */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.sessreqintr = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This interrupt indicates that the DWC_otg controller has detected a
|
|
+ * resume or remote wakeup sequence. If the DWC_otg controller is in
|
|
+ * low power mode, the handler must brings the controller out of low
|
|
+ * power mode. The controller automatically begins resume
|
|
+ * signaling. The handler schedules a time to stop resume signaling.
|
|
+ */
|
|
+int32_t dwc_otg_handle_wakeup_detected_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_ANY,
|
|
+ "++Resume and Remote Wakeup Detected Interrupt++\n");
|
|
+
|
|
+ if (dwc_otg_is_device_mode(core_if)) {
|
|
+ union dctl_data dctl = {.d32 = 0 };
|
|
+ DWC_DEBUGPL(DBG_PCD, "DSTS=0x%0x\n",
|
|
+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->
|
|
+ dsts));
|
|
+#ifdef PARTIAL_POWER_DOWN
|
|
+ if (core_if->hwcfg4.b.power_optimiz) {
|
|
+ union pcgcctl_data power = {.d32 = 0 };
|
|
+
|
|
+ power.d32 = dwc_read_reg32(core_if->pcgcctl);
|
|
+ DWC_DEBUGPL(DBG_CIL, "PCGCCTL=%0x\n", power.d32);
|
|
+
|
|
+ power.b.stoppclk = 0;
|
|
+ dwc_write_reg32(core_if->pcgcctl, power.d32);
|
|
+
|
|
+ power.b.pwrclmp = 0;
|
|
+ dwc_write_reg32(core_if->pcgcctl, power.d32);
|
|
+
|
|
+ power.b.rstpdwnmodule = 0;
|
|
+ dwc_write_reg32(core_if->pcgcctl, power.d32);
|
|
+ }
|
|
+#endif
|
|
+ /* Clear the Remote Wakeup Signalling */
|
|
+ dctl.b.rmtwkupsig = 1;
|
|
+ dwc_modify_reg32(&core_if->dev_if->dev_global_regs->dctl,
|
|
+ dctl.d32, 0);
|
|
+
|
|
+ if (core_if->pcd_cb && core_if->pcd_cb->resume_wakeup)
|
|
+ core_if->pcd_cb->resume_wakeup(core_if->pcd_cb->p);
|
|
+ } else {
|
|
+ /*
|
|
+ * Clear the Resume after 70ms. (Need 20 ms minimum. Use 70 ms
|
|
+ * so that OPT tests pass with all PHYs).
|
|
+ */
|
|
+ union hprt0_data hprt0 = {.d32 = 0 };
|
|
+ union pcgcctl_data pcgcctl = {.d32 = 0 };
|
|
+ /* Restart the Phy Clock */
|
|
+ pcgcctl.b.stoppclk = 1;
|
|
+ dwc_modify_reg32(core_if->pcgcctl, pcgcctl.d32, 0);
|
|
+ udelay(10);
|
|
+
|
|
+ /* Now wait for 70 ms. */
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ DWC_DEBUGPL(DBG_ANY, "Resume: HPRT0=%0x\n", hprt0.d32);
|
|
+ mdelay(70);
|
|
+ hprt0.b.prtres = 0; /* Resume */
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ DWC_DEBUGPL(DBG_ANY, "Clear Resume: HPRT0=%0x\n",
|
|
+ dwc_read_reg32(core_if->host_if->hprt0));
|
|
+ }
|
|
+
|
|
+ /* Clear interrupt */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.wkupintr = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This interrupt indicates that a device has been disconnected from
|
|
+ * the root port.
|
|
+ */
|
|
+int32_t dwc_otg_handle_disconnect_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_ANY, "++Disconnect Detected Interrupt++ (%s) %s\n",
|
|
+ (dwc_otg_is_host_mode(core_if) ? "Host" : "Device"),
|
|
+ op_state_str(core_if));
|
|
+
|
|
+/** @todo Consolidate this if statement. */
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ if (core_if->op_state == B_HOST) {
|
|
+ /* If in device mode Disconnect and stop the HCD, then
|
|
+ * start the PCD. */
|
|
+ hcd_disconnect(core_if);
|
|
+ pcd_start(core_if);
|
|
+ core_if->op_state = B_PERIPHERAL;
|
|
+ } else if (dwc_otg_is_device_mode(core_if)) {
|
|
+ union gotgctl_data gotgctl = {.d32 = 0 };
|
|
+ gotgctl.d32 =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gotgctl);
|
|
+ if (gotgctl.b.hstsethnpen == 1) {
|
|
+ /* Do nothing, if HNP in process the OTG
|
|
+ * interrupt "Host Negotiation Detected"
|
|
+ * interrupt will do the mode switch.
|
|
+ */
|
|
+ } else if (gotgctl.b.devhnpen == 0) {
|
|
+ /* If in device mode Disconnect and stop the HCD, then
|
|
+ * start the PCD. */
|
|
+ hcd_disconnect(core_if);
|
|
+ pcd_start(core_if);
|
|
+ core_if->op_state = B_PERIPHERAL;
|
|
+ } else {
|
|
+ DWC_DEBUGPL(DBG_ANY, "!a_peripheral && !devhnpen\n");
|
|
+ }
|
|
+ } else {
|
|
+ if (core_if->op_state == A_HOST) {
|
|
+ /* A-Cable still connected but device disconnected. */
|
|
+ hcd_disconnect(core_if);
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.disconnect = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This interrupt indicates that SUSPEND state has been detected on
|
|
+ * the USB.
|
|
+ *
|
|
+ * For HNP the USB Suspend interrupt signals the change from
|
|
+ * "a_peripheral" to "a_host".
|
|
+ *
|
|
+ * When power management is enabled the core will be put in low power
|
|
+ * mode.
|
|
+ */
|
|
+int32_t dwc_otg_handle_usb_suspend_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union dsts_data dsts;
|
|
+ union gintsts_data gintsts;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_ANY, "USB SUSPEND\n");
|
|
+
|
|
+ if (dwc_otg_is_device_mode(core_if)) {
|
|
+ /* Check the Device status register to determine if the Suspend
|
|
+ * state is active. */
|
|
+ dsts.d32 =
|
|
+ dwc_read_reg32(&core_if->dev_if->dev_global_regs->dsts);
|
|
+ DWC_DEBUGPL(DBG_PCD, "DSTS=0x%0x\n", dsts.d32);
|
|
+ DWC_DEBUGPL(DBG_PCD, "DSTS.Suspend Status=%d "
|
|
+ "HWCFG4.power Optimize=%d\n",
|
|
+ dsts.b.suspsts, core_if->hwcfg4.b.power_optimiz);
|
|
+
|
|
+#ifdef PARTIAL_POWER_DOWN
|
|
+/** @todo Add a module parameter for power management. */
|
|
+
|
|
+ if (dsts.b.suspsts && core_if->hwcfg4.b.power_optimiz) {
|
|
+ union pcgcctl_data_t power = {.d32 = 0 };
|
|
+ DWC_DEBUGPL(DBG_CIL, "suspend\n");
|
|
+
|
|
+ power.b.pwrclmp = 1;
|
|
+ dwc_write_reg32(core_if->pcgcctl, power.d32);
|
|
+
|
|
+ power.b.rstpdwnmodule = 1;
|
|
+ dwc_modify_reg32(core_if->pcgcctl, 0, power.d32);
|
|
+
|
|
+ power.b.stoppclk = 1;
|
|
+ dwc_modify_reg32(core_if->pcgcctl, 0, power.d32);
|
|
+
|
|
+ } else {
|
|
+ DWC_DEBUGPL(DBG_ANY, "disconnect?\n");
|
|
+ }
|
|
+#endif
|
|
+ /* PCD callback for suspend. */
|
|
+ pcd_suspend(core_if);
|
|
+ } else {
|
|
+ if (core_if->op_state == A_PERIPHERAL) {
|
|
+ DWC_DEBUGPL(DBG_ANY, "a_peripheral->a_host\n");
|
|
+ /* Clear the a_peripheral flag, back to a_host. */
|
|
+ pcd_stop(core_if);
|
|
+ hcd_start(core_if);
|
|
+ core_if->op_state = A_HOST;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* Clear interrupt */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.usbsuspend = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function returns the Core Interrupt register.
|
|
+ */
|
|
+static inline uint32_t dwc_otg_read_common_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+ union gintmsk_data gintmsk;
|
|
+ union gintmsk_data gintmsk_common = {.d32 = 0 };
|
|
+ gintmsk_common.b.wkupintr = 1;
|
|
+ gintmsk_common.b.sessreqintr = 1;
|
|
+ gintmsk_common.b.conidstschng = 1;
|
|
+ gintmsk_common.b.otgintr = 1;
|
|
+ gintmsk_common.b.modemismatch = 1;
|
|
+ gintmsk_common.b.disconnect = 1;
|
|
+ gintmsk_common.b.usbsuspend = 1;
|
|
+ /*
|
|
+ * @todo: The port interrupt occurs while in device
|
|
+ * mode. Added code to CIL to clear the interrupt for now!
|
|
+ */
|
|
+ gintmsk_common.b.portintr = 1;
|
|
+
|
|
+ gintsts.d32 = dwc_read_reg32(&core_if->core_global_regs->gintsts);
|
|
+ gintmsk.d32 = dwc_read_reg32(&core_if->core_global_regs->gintmsk);
|
|
+#ifdef DEBUG
|
|
+ /* if any common interrupts set */
|
|
+ if (gintsts.d32 & gintmsk_common.d32) {
|
|
+ DWC_DEBUGPL(DBG_ANY, "gintsts=%08x gintmsk=%08x\n",
|
|
+ gintsts.d32, gintmsk.d32);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ return (gintsts.d32 & gintmsk.d32) & gintmsk_common.d32;
|
|
+
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Common interrupt handler.
|
|
+ *
|
|
+ * The common interrupts are those that occur in both Host and Device mode.
|
|
+ * This handler handles the following interrupts:
|
|
+ * - Mode Mismatch Interrupt
|
|
+ * - Disconnect Interrupt
|
|
+ * - OTG Interrupt
|
|
+ * - Connector ID Status Change Interrupt
|
|
+ * - Session Request Interrupt.
|
|
+ * - Resume / Remote Wakeup Detected Interrupt.
|
|
+ *
|
|
+ */
|
|
+extern int32_t dwc_otg_handle_common_intr(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ int retval = 0;
|
|
+ union gintsts_data gintsts;
|
|
+
|
|
+ gintsts.d32 = dwc_otg_read_common_intr(core_if);
|
|
+
|
|
+ if (gintsts.b.modemismatch)
|
|
+ retval |= dwc_otg_handle_mode_mismatch_intr(core_if);
|
|
+ if (gintsts.b.otgintr)
|
|
+ retval |= dwc_otg_handle_otg_intr(core_if);
|
|
+ if (gintsts.b.conidstschng)
|
|
+ retval |= dwc_otg_handle_conn_id_status_change_intr(core_if);
|
|
+ if (gintsts.b.disconnect)
|
|
+ retval |= dwc_otg_handle_disconnect_intr(core_if);
|
|
+ if (gintsts.b.sessreqintr)
|
|
+ retval |= dwc_otg_handle_session_req_intr(core_if);
|
|
+ if (gintsts.b.wkupintr)
|
|
+ retval |= dwc_otg_handle_wakeup_detected_intr(core_if);
|
|
+ if (gintsts.b.usbsuspend)
|
|
+ retval |= dwc_otg_handle_usb_suspend_intr(core_if);
|
|
+ if (gintsts.b.portintr && dwc_otg_is_device_mode(core_if)) {
|
|
+ /* The port interrupt occurs while in device mode with HPRT0
|
|
+ * Port Enable/Disable.
|
|
+ */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.portintr = 1;
|
|
+ dwc_write_reg32(&core_if->core_global_regs->gintsts,
|
|
+ gintsts.d32);
|
|
+ retval |= 1;
|
|
+
|
|
+ }
|
|
+ return retval;
|
|
+}
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_driver.h b/drivers/usb/host/dwc_otg/dwc_otg_driver.h
|
|
new file mode 100644
|
|
index 0000000..1cc116d
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.h
|
|
@@ -0,0 +1,63 @@
|
|
+/* ==========================================================================
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+#ifndef __DWC_OTG_DRIVER_H__
|
|
+#define __DWC_OTG_DRIVER_H__
|
|
+
|
|
+#include "dwc_otg_cil.h"
|
|
+
|
|
+/* Type declarations */
|
|
+struct dwc_otg_pcd;
|
|
+struct dwc_otg_hcd;
|
|
+
|
|
+/**
|
|
+ * This structure is a wrapper that encapsulates the driver components used to
|
|
+ * manage a single DWC_otg controller.
|
|
+ */
|
|
+struct dwc_otg_device {
|
|
+ /** Base address returned from ioremap() */
|
|
+ void *base;
|
|
+
|
|
+ /** Pointer to the core interface structure. */
|
|
+ struct dwc_otg_core_if *core_if;
|
|
+
|
|
+ /** Register offset for Diagnostic API.*/
|
|
+ uint32_t reg_offset;
|
|
+
|
|
+ /** Pointer to the PCD structure. */
|
|
+ struct dwc_otg_pcd *pcd;
|
|
+
|
|
+ /** Pointer to the HCD structure. */
|
|
+ struct dwc_otg_hcd *hcd;
|
|
+
|
|
+ /** Flag to indicate whether the common IRQ handler is installed. */
|
|
+ uint8_t common_irq_installed;
|
|
+
|
|
+};
|
|
+
|
|
+#endif
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
|
|
new file mode 100644
|
|
index 0000000..a4392f5
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
|
|
@@ -0,0 +1,2878 @@
|
|
+/* ==========================================================================
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+
|
|
+/**
|
|
+ *
|
|
+ * This file contains the implementation of the HCD. In Linux, the HCD
|
|
+ * implements the hc_driver API.
|
|
+ */
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/moduleparam.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/string.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/workqueue.h>
|
|
+#include <linux/platform_device.h>
|
|
+
|
|
+#include "dwc_otg_driver.h"
|
|
+#include "dwc_otg_hcd.h"
|
|
+#include "dwc_otg_regs.h"
|
|
+
|
|
+static const char dwc_otg_hcd_name[] = "dwc_otg_hcd";
|
|
+
|
|
+static const struct hc_driver dwc_otg_hc_driver = {
|
|
+
|
|
+ .description = dwc_otg_hcd_name,
|
|
+ .product_desc = "DWC OTG Controller",
|
|
+ .hcd_priv_size = sizeof(struct dwc_otg_hcd),
|
|
+
|
|
+ .irq = dwc_otg_hcd_irq,
|
|
+
|
|
+ .flags = HCD_MEMORY | HCD_USB2,
|
|
+
|
|
+ .start = dwc_otg_hcd_start,
|
|
+ .stop = dwc_otg_hcd_stop,
|
|
+
|
|
+ .urb_enqueue = dwc_otg_hcd_urb_enqueue,
|
|
+ .urb_dequeue = dwc_otg_hcd_urb_dequeue,
|
|
+ .endpoint_disable = dwc_otg_hcd_endpoint_disable,
|
|
+
|
|
+ .get_frame_number = dwc_otg_hcd_get_frame_number,
|
|
+
|
|
+ .hub_status_data = dwc_otg_hcd_hub_status_data,
|
|
+ .hub_control = dwc_otg_hcd_hub_control,
|
|
+};
|
|
+
|
|
+/**
|
|
+ * Work queue function for starting the HCD when A-Cable is connected.
|
|
+ * The dwc_otg_hcd_start() must be called in a process context.
|
|
+ */
|
|
+static void hcd_start_func(struct work_struct *work)
|
|
+{
|
|
+ void *_vp =
|
|
+ (void *)(atomic_long_read(&work->data) & WORK_STRUCT_WQ_DATA_MASK);
|
|
+ struct usb_hcd *usb_hcd = (struct usb_hcd *)_vp;
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s() %p\n", __func__, usb_hcd);
|
|
+ if (usb_hcd)
|
|
+ dwc_otg_hcd_start(usb_hcd);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * HCD Callback function for starting the HCD when A-Cable is
|
|
+ * connected.
|
|
+ *
|
|
+ * @_p: void pointer to the <code>struct usb_hcd</code>
|
|
+ */
|
|
+static int32_t dwc_otg_hcd_start_cb(void *_p)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_p);
|
|
+ struct dwc_otg_core_if *core_if = dwc_otg_hcd->core_if;
|
|
+ union hprt0_data hprt0;
|
|
+
|
|
+ if (core_if->op_state == B_HOST) {
|
|
+ /*
|
|
+ * Reset the port. During a HNP mode switch the reset
|
|
+ * needs to occur within 1ms and have a duration of at
|
|
+ * least 50ms.
|
|
+ */
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtrst = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ ((struct usb_hcd *)_p)->self.is_b_host = 1;
|
|
+ } else {
|
|
+ ((struct usb_hcd *)_p)->self.is_b_host = 0;
|
|
+ }
|
|
+
|
|
+ /* Need to start the HCD in a non-interrupt context. */
|
|
+ INIT_WORK(&dwc_otg_hcd->start_work, hcd_start_func);
|
|
+ atomic_long_set(&dwc_otg_hcd->start_work.data, (long)_p);
|
|
+ schedule_work(&dwc_otg_hcd->start_work);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * HCD Callback function for stopping the HCD.
|
|
+ *
|
|
+ * @_p: void pointer to the <code>struct usb_hcd</code>
|
|
+ */
|
|
+static int32_t dwc_otg_hcd_stop_cb(void *_p)
|
|
+{
|
|
+ struct usb_hcd *usb_hcd = (struct usb_hcd *)_p;
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, _p);
|
|
+ dwc_otg_hcd_stop(usb_hcd);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+static void del_xfer_timers(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+#ifdef DEBUG
|
|
+ int i;
|
|
+ int num_channels = hcd->core_if->core_params->host_channels;
|
|
+ for (i = 0; i < num_channels; i++)
|
|
+ del_timer(&hcd->core_if->hc_xfer_timer[i]);
|
|
+#endif
|
|
+}
|
|
+
|
|
+static void del_timers(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ del_xfer_timers(hcd);
|
|
+ del_timer(&hcd->conn_timer);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Processes all the URBs in a single list of QHs. Completes them with
|
|
+ * -ETIMEDOUT and frees the QTD.
|
|
+ */
|
|
+static void kill_urbs_in_qh_list(struct dwc_otg_hcd *hcd,
|
|
+ struct list_head *_qh_list)
|
|
+{
|
|
+ struct dwc_otg_qh *qh;
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+ struct dwc_otg_qtd *qtd_next;
|
|
+
|
|
+ list_for_each_entry(qh, _qh_list, qh_list_entry) {
|
|
+ list_for_each_entry_safe(qtd, qtd_next, &qh->qtd_list,
|
|
+ qtd_list_entry) {
|
|
+ if (qtd->urb != NULL) {
|
|
+ dwc_otg_hcd_complete_urb(hcd, qtd->urb,
|
|
+ -ETIMEDOUT);
|
|
+ qtd->urb = NULL;
|
|
+ }
|
|
+ dwc_otg_hcd_qtd_remove_and_free(qtd);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Responds with an error status of ETIMEDOUT to all URBs in the non-periodic
|
|
+ * and periodic schedules. The QTD associated with each URB is removed from
|
|
+ * the schedule and freed. This function may be called when a disconnect is
|
|
+ * detected or when the HCD is being stopped.
|
|
+ */
|
|
+static void kill_all_urbs(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ kill_urbs_in_qh_list(hcd, &hcd->non_periodic_sched_inactive);
|
|
+ kill_urbs_in_qh_list(hcd, &hcd->non_periodic_sched_active);
|
|
+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_inactive);
|
|
+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_ready);
|
|
+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_assigned);
|
|
+ kill_urbs_in_qh_list(hcd, &hcd->periodic_sched_queued);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * HCD Callback function for disconnect of the HCD.
|
|
+ *
|
|
+ * @_p: void pointer to the <code>struct usb_hcd</code>
|
|
+ */
|
|
+static int32_t dwc_otg_hcd_disconnect_cb(void *_p)
|
|
+{
|
|
+ union gintsts_data intr;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_p);
|
|
+
|
|
+ /*
|
|
+ * Set status flags for the hub driver.
|
|
+ */
|
|
+ dwc_otg_hcd->flags.b.port_connect_status_change = 1;
|
|
+ dwc_otg_hcd->flags.b.port_connect_status = 0;
|
|
+
|
|
+ /*
|
|
+ * Shutdown any transfers in process by clearing the Tx FIFO Empty
|
|
+ * interrupt mask and status bits and disabling subsequent host
|
|
+ * channel interrupts.
|
|
+ */
|
|
+ intr.d32 = 0;
|
|
+ intr.b.nptxfempty = 1;
|
|
+ intr.b.ptxfempty = 1;
|
|
+ intr.b.hcintr = 1;
|
|
+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk,
|
|
+ intr.d32, 0);
|
|
+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintsts,
|
|
+ intr.d32, 0);
|
|
+
|
|
+ del_timers(dwc_otg_hcd);
|
|
+
|
|
+ /*
|
|
+ * Turn off the vbus power only if the core has transitioned to device
|
|
+ * mode. If still in host mode, need to keep power on to detect a
|
|
+ * reconnection.
|
|
+ */
|
|
+ if (dwc_otg_is_device_mode(dwc_otg_hcd->core_if)) {
|
|
+ if (dwc_otg_hcd->core_if->op_state != A_SUSPEND) {
|
|
+ union hprt0_data hprt0 = {.d32 = 0 };
|
|
+ DWC_PRINT("Disconnect: PortPower off\n");
|
|
+ hprt0.b.prtpwr = 0;
|
|
+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0,
|
|
+ hprt0.d32);
|
|
+ }
|
|
+
|
|
+ dwc_otg_disable_host_interrupts(dwc_otg_hcd->core_if);
|
|
+ }
|
|
+
|
|
+ /* Respond with an error status to all URBs in the schedule. */
|
|
+ kill_all_urbs(dwc_otg_hcd);
|
|
+
|
|
+ if (dwc_otg_is_host_mode(dwc_otg_hcd->core_if)) {
|
|
+ /* Clean up any host channels that were in use. */
|
|
+ int num_channels;
|
|
+ int i;
|
|
+ struct dwc_hc *channel;
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+ union hcchar_data hcchar;
|
|
+
|
|
+ num_channels = dwc_otg_hcd->core_if->core_params->host_channels;
|
|
+
|
|
+ if (!dwc_otg_hcd->core_if->dma_enable) {
|
|
+ /* Flush out any channel requests in slave mode. */
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ channel = dwc_otg_hcd->hc_ptr_array[i];
|
|
+ if (list_empty(&channel->hc_list_entry)) {
|
|
+ hc_regs =
|
|
+ dwc_otg_hcd->core_if->host_if->
|
|
+ hc_regs[i];
|
|
+ hcchar.d32 =
|
|
+ dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chen) {
|
|
+ hcchar.b.chen = 0;
|
|
+ hcchar.b.chdis = 1;
|
|
+ hcchar.b.epdir = 0;
|
|
+ dwc_write_reg32(&hc_regs->
|
|
+ hcchar,
|
|
+ hcchar.d32);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ channel = dwc_otg_hcd->hc_ptr_array[i];
|
|
+ if (list_empty(&channel->hc_list_entry)) {
|
|
+ hc_regs =
|
|
+ dwc_otg_hcd->core_if->host_if->hc_regs[i];
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chen) {
|
|
+ /* Halt the channel. */
|
|
+ hcchar.b.chdis = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar,
|
|
+ hcchar.d32);
|
|
+ }
|
|
+
|
|
+ dwc_otg_hc_cleanup(dwc_otg_hcd->core_if,
|
|
+ channel);
|
|
+ list_add_tail(&channel->hc_list_entry,
|
|
+ &dwc_otg_hcd->free_hc_list);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* A disconnect will end the session so the B-Device is no
|
|
+ * longer a B-host. */
|
|
+ ((struct usb_hcd *)_p)->self.is_b_host = 0;
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Connection timeout function. An OTG host is required to display a
|
|
+ * message if the device does not connect within 10 seconds.
|
|
+ */
|
|
+void dwc_otg_hcd_connect_timeout(unsigned long _ptr)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s(%x)\n", __func__, (int)_ptr);
|
|
+ DWC_PRINT("Connect Timeout\n");
|
|
+ DWC_ERROR("Device Not Connected/Responding\n");
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Start the connection timer. An OTG host is required to display a
|
|
+ * message if the device does not connect within 10 seconds. The
|
|
+ * timer is deleted if a port connect interrupt occurs before the
|
|
+ * timer expires.
|
|
+ */
|
|
+static void dwc_otg_hcd_start_connect_timer(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ init_timer(&hcd->conn_timer);
|
|
+ hcd->conn_timer.function = dwc_otg_hcd_connect_timeout;
|
|
+ hcd->conn_timer.data = (unsigned long)0;
|
|
+ hcd->conn_timer.expires = jiffies + (HZ * 10);
|
|
+ add_timer(&hcd->conn_timer);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * HCD Callback function for disconnect of the HCD.
|
|
+ *
|
|
+ * @_p: void pointer to the <code>struct usb_hcd</code>
|
|
+ */
|
|
+static int32_t dwc_otg_hcd_session_start_cb(void *_p)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(_p);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, _p);
|
|
+ dwc_otg_hcd_start_connect_timer(dwc_otg_hcd);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * HCD Callback structure for handling mode switching.
|
|
+ */
|
|
+static struct dwc_otg_cil_callbacks hcd_cil_callbacks = {
|
|
+ .start = dwc_otg_hcd_start_cb,
|
|
+ .stop = dwc_otg_hcd_stop_cb,
|
|
+ .disconnect = dwc_otg_hcd_disconnect_cb,
|
|
+ .session_start = dwc_otg_hcd_session_start_cb,
|
|
+ .p = 0,
|
|
+};
|
|
+
|
|
+/**
|
|
+ * Reset tasklet function
|
|
+ */
|
|
+static void reset_tasklet_func(unsigned long data)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = (struct dwc_otg_hcd *)data;
|
|
+ struct dwc_otg_core_if *core_if = dwc_otg_hcd->core_if;
|
|
+ union hprt0_data hprt0;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "USB RESET tasklet called\n");
|
|
+
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtrst = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ mdelay(60);
|
|
+
|
|
+ hprt0.b.prtrst = 0;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ dwc_otg_hcd->flags.b.port_reset_change = 1;
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+static struct tasklet_struct reset_tasklet = {
|
|
+ .next = NULL,
|
|
+ .state = 0,
|
|
+ .count = ATOMIC_INIT(0),
|
|
+ .func = reset_tasklet_func,
|
|
+ .data = 0,
|
|
+};
|
|
+
|
|
+static enum hrtimer_restart delayed_enable(struct hrtimer *t)
|
|
+{
|
|
+ struct dwc_otg_hcd *hcd = container_of(t, struct dwc_otg_hcd,
|
|
+ poll_rate_limit);
|
|
+ struct dwc_otg_core_global_regs *global_regs =
|
|
+ hcd->core_if->core_global_regs;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, 0, intr_mask.d32);
|
|
+
|
|
+ return HRTIMER_NORESTART;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Initializes the HCD. This function allocates memory for and initializes the
|
|
+ * static parts of the usb_hcd and dwc_otg_hcd structures. It also registers the
|
|
+ * USB bus with the core and calls the hc_driver->start() function. It returns
|
|
+ * a negative error on failure.
|
|
+ */
|
|
+int __devinit dwc_otg_hcd_init(struct device *dev)
|
|
+{
|
|
+ struct usb_hcd *hcd = NULL;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = NULL;
|
|
+ struct dwc_otg_device *otg_dev = dev->platform_data;
|
|
+
|
|
+ int num_channels;
|
|
+ int i;
|
|
+ struct dwc_hc *channel;
|
|
+
|
|
+ int retval = 0;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD INIT\n");
|
|
+
|
|
+ /* Set device flags indicating whether the HCD supports DMA. */
|
|
+ if (otg_dev->core_if->dma_enable) {
|
|
+ DWC_PRINT("Using DMA mode\n");
|
|
+ dev->coherent_dma_mask = ~0;
|
|
+ dev->dma_mask = &dev->coherent_dma_mask;
|
|
+ } else {
|
|
+ DWC_PRINT("Using Slave mode\n");
|
|
+ dev->coherent_dma_mask = 0;
|
|
+ dev->dma_mask = NULL;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Allocate memory for the base HCD plus the DWC OTG HCD.
|
|
+ * Initialize the base HCD.
|
|
+ */
|
|
+ hcd = usb_create_hcd(&dwc_otg_hc_driver, dev, dev_name(dev));
|
|
+ if (hcd == NULL) {
|
|
+ retval = -ENOMEM;
|
|
+ goto error1;
|
|
+ }
|
|
+ hcd->regs = otg_dev->base;
|
|
+ hcd->self.otg_port = 1;
|
|
+
|
|
+ /* Integrate TT in root hub, by default this is disbled. */
|
|
+ hcd->has_tt = 1;
|
|
+
|
|
+ /* Initialize the DWC OTG HCD. */
|
|
+ dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+
|
|
+ spin_lock_init(&dwc_otg_hcd->global_lock);
|
|
+
|
|
+ dwc_otg_hcd->core_if = otg_dev->core_if;
|
|
+ otg_dev->hcd = dwc_otg_hcd;
|
|
+
|
|
+ /* Register the HCD CIL Callbacks */
|
|
+ dwc_otg_cil_register_hcd_callbacks(otg_dev->core_if,
|
|
+ &hcd_cil_callbacks, hcd);
|
|
+
|
|
+ /* Initialize the non-periodic schedule. */
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_inactive);
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->non_periodic_sched_active);
|
|
+
|
|
+ /* Initialize the periodic schedule. */
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_inactive);
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_ready);
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_assigned);
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->periodic_sched_queued);
|
|
+
|
|
+ /*
|
|
+ * Create a host channel descriptor for each host channel implemented
|
|
+ * in the controller. Initialize the channel descriptor array.
|
|
+ */
|
|
+ INIT_LIST_HEAD(&dwc_otg_hcd->free_hc_list);
|
|
+ num_channels = dwc_otg_hcd->core_if->core_params->host_channels;
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ channel = kmalloc(sizeof(struct dwc_hc), GFP_KERNEL);
|
|
+ if (channel == NULL) {
|
|
+ retval = -ENOMEM;
|
|
+ DWC_ERROR("%s: host channel allocation failed\n",
|
|
+ __func__);
|
|
+ goto error2;
|
|
+ }
|
|
+ memset(channel, 0, sizeof(struct dwc_hc));
|
|
+ channel->hc_num = i;
|
|
+ dwc_otg_hcd->hc_ptr_array[i] = channel;
|
|
+#ifdef DEBUG
|
|
+ init_timer(&dwc_otg_hcd->core_if->hc_xfer_timer[i]);
|
|
+#endif
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "HCD Added channel #%d, hc=%p\n", i,
|
|
+ channel);
|
|
+ }
|
|
+
|
|
+ /* Initialize the Connection timeout timer. */
|
|
+ init_timer(&dwc_otg_hcd->conn_timer);
|
|
+
|
|
+ /* Initialize reset tasklet. */
|
|
+ reset_tasklet.data = (unsigned long)dwc_otg_hcd;
|
|
+ dwc_otg_hcd->reset_tasklet = &reset_tasklet;
|
|
+
|
|
+ hrtimer_init(&dwc_otg_hcd->poll_rate_limit, CLOCK_MONOTONIC,
|
|
+ HRTIMER_MODE_REL);
|
|
+ dwc_otg_hcd->poll_rate_limit.function = delayed_enable;
|
|
+
|
|
+ /*
|
|
+ * Finish generic HCD initialization and start the HCD. This function
|
|
+ * allocates the DMA buffer pool, registers the USB bus, requests the
|
|
+ * IRQ line, and calls dwc_otg_hcd_start method.
|
|
+ */
|
|
+ retval =
|
|
+ usb_add_hcd(hcd, platform_get_irq(to_platform_device(dev), 0),
|
|
+ IRQF_SHARED);
|
|
+ if (retval < 0)
|
|
+ goto error2;
|
|
+
|
|
+ /*
|
|
+ * Allocate space for storing data on status transactions. Normally no
|
|
+ * data is sent, but this space acts as a bit bucket. This must be
|
|
+ * done after usb_add_hcd since that function allocates the DMA buffer
|
|
+ * pool.
|
|
+ */
|
|
+ if (otg_dev->core_if->dma_enable) {
|
|
+ dwc_otg_hcd->status_buf =
|
|
+ dma_alloc_coherent(dev,
|
|
+ DWC_OTG_HCD_STATUS_BUF_SIZE,
|
|
+ &dwc_otg_hcd->status_buf_dma,
|
|
+ GFP_KERNEL | GFP_DMA);
|
|
+ } else {
|
|
+ dwc_otg_hcd->status_buf = kmalloc(DWC_OTG_HCD_STATUS_BUF_SIZE,
|
|
+ GFP_KERNEL);
|
|
+ }
|
|
+ if (dwc_otg_hcd->status_buf == NULL) {
|
|
+ retval = -ENOMEM;
|
|
+ DWC_ERROR("%s: status_buf allocation failed\n", __func__);
|
|
+ goto error3;
|
|
+ }
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Initialized HCD, usbbus=%d\n",
|
|
+ hcd->self.busnum);
|
|
+
|
|
+ return 0;
|
|
+
|
|
+ /* Error conditions */
|
|
+error3:
|
|
+ usb_remove_hcd(hcd);
|
|
+error2:
|
|
+ dwc_otg_hcd_free(hcd);
|
|
+ usb_put_hcd(hcd);
|
|
+error1:
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Removes the HCD.
|
|
+ * Frees memory and resources associated with the HCD and deregisters the bus.
|
|
+ */
|
|
+void dwc_otg_hcd_remove(struct device *dev)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = dev->platform_data;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = otg_dev->hcd;
|
|
+ struct usb_hcd *hcd = dwc_otg_hcd_to_hcd(dwc_otg_hcd);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD REMOVE\n");
|
|
+
|
|
+ /* Turn off all interrupts */
|
|
+ dwc_write_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk, 0);
|
|
+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gahbcfg, 1,
|
|
+ 0);
|
|
+
|
|
+ usb_remove_hcd(hcd);
|
|
+ dwc_otg_hcd_free(hcd);
|
|
+ usb_put_hcd(hcd);
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+/* =========================================================================
|
|
+ * Linux HC Driver Functions
|
|
+ * ========================================================================= */
|
|
+
|
|
+/**
|
|
+ * Initializes dynamic portions of the DWC_otg HCD state.
|
|
+ */
|
|
+static void hcd_reinit(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ struct list_head *item;
|
|
+ int num_channels;
|
|
+ int i;
|
|
+ struct dwc_hc *channel;
|
|
+
|
|
+ hcd->flags.d32 = 0;
|
|
+
|
|
+ hcd->non_periodic_qh_ptr = &hcd->non_periodic_sched_active;
|
|
+ hcd->non_periodic_channels = 0;
|
|
+ hcd->periodic_channels = 0;
|
|
+
|
|
+ /*
|
|
+ * Put all channels in the free channel list and clean up channel
|
|
+ * states.
|
|
+ */
|
|
+ item = hcd->free_hc_list.next;
|
|
+ while (item != &hcd->free_hc_list) {
|
|
+ list_del(item);
|
|
+ item = hcd->free_hc_list.next;
|
|
+ }
|
|
+ num_channels = hcd->core_if->core_params->host_channels;
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ channel = hcd->hc_ptr_array[i];
|
|
+ list_add_tail(&channel->hc_list_entry, &hcd->free_hc_list);
|
|
+ dwc_otg_hc_cleanup(hcd->core_if, channel);
|
|
+ }
|
|
+
|
|
+ /* Initialize the DWC core for host mode operation. */
|
|
+ dwc_otg_core_host_init(hcd->core_if);
|
|
+}
|
|
+
|
|
+/** Initializes the DWC_otg controller and its root hub and prepares it for host
|
|
+ * mode operation. Activates the root port. Returns 0 on success and a negative
|
|
+ * error code on failure. */
|
|
+int dwc_otg_hcd_start(struct usb_hcd *hcd)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+ struct dwc_otg_core_if *core_if = dwc_otg_hcd->core_if;
|
|
+ unsigned long flags;
|
|
+
|
|
+ struct usb_bus *bus;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD START\n");
|
|
+
|
|
+ spin_lock_irqsave(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ bus = hcd_to_bus(hcd);
|
|
+
|
|
+ /* Initialize the bus state. If the core is in Device Mode
|
|
+ * HALT the USB bus and return. */
|
|
+ if (dwc_otg_is_device_mode(core_if)) {
|
|
+ hcd->state = HC_STATE_HALT;
|
|
+ goto out;
|
|
+ }
|
|
+ hcd->state = HC_STATE_RUNNING;
|
|
+
|
|
+ hcd_reinit(dwc_otg_hcd);
|
|
+out:
|
|
+ spin_unlock_irqrestore(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void qh_list_free(struct dwc_otg_hcd *hcd, struct list_head *_qh_list)
|
|
+{
|
|
+ struct list_head *item;
|
|
+ struct dwc_otg_qh *qh;
|
|
+
|
|
+ if (_qh_list->next == NULL) {
|
|
+ /* The list hasn't been initialized yet. */
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ /* Ensure there are no QTDs or URBs left. */
|
|
+ kill_urbs_in_qh_list(hcd, _qh_list);
|
|
+
|
|
+ for (item = _qh_list->next; item != _qh_list; item = _qh_list->next) {
|
|
+ qh = list_entry(item, struct dwc_otg_qh, qh_list_entry);
|
|
+ dwc_otg_hcd_qh_remove_and_free(hcd, qh);
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Halts the DWC_otg host mode operations in a clean manner. USB transfers are
|
|
+ * stopped.
|
|
+ */
|
|
+void dwc_otg_hcd_stop(struct usb_hcd *hcd)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+ union hprt0_data hprt0 = {.d32 = 0 };
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD STOP\n");
|
|
+
|
|
+ /* Turn off all host-specific interrupts. */
|
|
+ dwc_otg_disable_host_interrupts(dwc_otg_hcd->core_if);
|
|
+
|
|
+ /*
|
|
+ * The root hub should be disconnected before this function is called.
|
|
+ * The disconnect will clear the QTD lists (via ..._hcd_urb_dequeue)
|
|
+ * and the QH lists (via ..._hcd_endpoint_disable).
|
|
+ */
|
|
+
|
|
+ /* Turn off the vbus power */
|
|
+ DWC_PRINT("PortPower off\n");
|
|
+ hprt0.b.prtpwr = 0;
|
|
+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0, hprt0.d32);
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+/** Returns the current frame number. */
|
|
+int dwc_otg_hcd_get_frame_number(struct usb_hcd *hcd)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+ union hfnum_data hfnum;
|
|
+
|
|
+ hfnum.d32 =
|
|
+ dwc_read_reg32(&dwc_otg_hcd->core_if->host_if->host_global_regs->
|
|
+ hfnum);
|
|
+
|
|
+#ifdef DEBUG_SOF
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD GET FRAME NUMBER %d\n",
|
|
+ hfnum.b.frnum);
|
|
+#endif
|
|
+ return hfnum.b.frnum;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Frees secondary storage associated with the dwc_otg_hcd structure contained
|
|
+ * in the struct usb_hcd field.
|
|
+ */
|
|
+void dwc_otg_hcd_free(struct usb_hcd *hcd)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+ int i;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD FREE\n");
|
|
+
|
|
+ del_timers(dwc_otg_hcd);
|
|
+
|
|
+ /* Free memory for QH/QTD lists */
|
|
+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_inactive);
|
|
+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->non_periodic_sched_active);
|
|
+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_inactive);
|
|
+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_ready);
|
|
+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_assigned);
|
|
+ qh_list_free(dwc_otg_hcd, &dwc_otg_hcd->periodic_sched_queued);
|
|
+
|
|
+ /* Free memory for the host channels. */
|
|
+ for (i = 0; i < MAX_EPS_CHANNELS; i++) {
|
|
+ struct dwc_hc *hc = dwc_otg_hcd->hc_ptr_array[i];
|
|
+ if (hc != NULL) {
|
|
+ DWC_DEBUGPL(DBG_HCDV, "HCD Free channel #%i, hc=%p\n",
|
|
+ i, hc);
|
|
+ kfree(hc);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (dwc_otg_hcd->core_if->dma_enable) {
|
|
+ if (dwc_otg_hcd->status_buf_dma) {
|
|
+ dma_free_coherent(hcd->self.controller,
|
|
+ DWC_OTG_HCD_STATUS_BUF_SIZE,
|
|
+ dwc_otg_hcd->status_buf,
|
|
+ dwc_otg_hcd->status_buf_dma);
|
|
+ }
|
|
+ } else if (dwc_otg_hcd->status_buf != NULL) {
|
|
+ kfree(dwc_otg_hcd->status_buf);
|
|
+ }
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+#ifdef DEBUG
|
|
+static void dump_urb_info(struct urb *urb, char *_fn_name)
|
|
+{
|
|
+ DWC_PRINT("%s, urb %p\n", _fn_name, urb);
|
|
+ DWC_PRINT(" Device address: %d\n", usb_pipedevice(urb->pipe));
|
|
+ DWC_PRINT(" Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe),
|
|
+ (usb_pipein(urb->pipe) ? "IN" : "OUT"));
|
|
+ DWC_PRINT(" Endpoint type: %s\n",
|
|
+ ({
|
|
+ char *pipetype;
|
|
+ switch (usb_pipetype(urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ pipetype = "CONTROL";
|
|
+ break;
|
|
+ case PIPE_BULK:
|
|
+ pipetype = "BULK";
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ pipetype = "INTERRUPT";
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ pipetype = "ISOCHRONOUS";
|
|
+ break;
|
|
+ default:
|
|
+ pipetype = "UNKNOWN";
|
|
+ break;
|
|
+ }
|
|
+ pipetype;
|
|
+ })) ;
|
|
+ DWC_PRINT(" Speed: %s\n",
|
|
+ ({
|
|
+ char *speed;
|
|
+ switch (urb->dev->speed) {
|
|
+ case USB_SPEED_HIGH:
|
|
+ speed = "HIGH";
|
|
+ break;
|
|
+ case USB_SPEED_FULL:
|
|
+ speed = "FULL";
|
|
+ break;
|
|
+ case USB_SPEED_LOW:
|
|
+ speed = "LOW";
|
|
+ break;
|
|
+ default:
|
|
+ speed = "UNKNOWN";
|
|
+ break;
|
|
+ }
|
|
+ speed;
|
|
+ }));
|
|
+ DWC_PRINT(" Max packet size: %d\n",
|
|
+ usb_maxpacket(urb->dev, urb->pipe,
|
|
+ usb_pipeout(urb->pipe)));
|
|
+ DWC_PRINT(" Data buffer length: %d\n", urb->transfer_buffer_length);
|
|
+ DWC_PRINT(" Transfer buffer: %p, Transfer DMA: %p\n",
|
|
+ urb->transfer_buffer, (void *)urb->transfer_dma);
|
|
+ DWC_PRINT(" Setup buffer: %p, Setup DMA: %p\n",
|
|
+ urb->setup_packet, (void *)urb->setup_dma);
|
|
+ DWC_PRINT(" Interval: %d\n", urb->interval);
|
|
+ if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
|
|
+ int i;
|
|
+ for (i = 0; i < urb->number_of_packets; i++) {
|
|
+ DWC_PRINT(" ISO Desc %d:\n", i);
|
|
+ DWC_PRINT(" offset: %d, length %d\n",
|
|
+ urb->iso_frame_desc[i].offset,
|
|
+ urb->iso_frame_desc[i].length);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+static void dump_channel_info(struct dwc_otg_hcd *hcd, struct dwc_otg_qh * qh)
|
|
+{
|
|
+ if (qh->channel != NULL) {
|
|
+ struct dwc_hc *hc = qh->channel;
|
|
+ struct list_head *item;
|
|
+ struct dwc_otg_qh *qh_item;
|
|
+ int num_channels = hcd->core_if->core_params->host_channels;
|
|
+ int i;
|
|
+
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+ union hcchar_data hcchar;
|
|
+ union hcsplt_data hcsplt;
|
|
+ union hctsiz_data hctsiz;
|
|
+ uint32_t hcdma;
|
|
+
|
|
+ hc_regs = hcd->core_if->host_if->hc_regs[hc->hc_num];
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt);
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+ hcdma = dwc_read_reg32(&hc_regs->hcdma);
|
|
+
|
|
+ DWC_PRINT(" Assigned to channel %p:\n", hc);
|
|
+ DWC_PRINT(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32,
|
|
+ hcsplt.d32);
|
|
+ DWC_PRINT(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32,
|
|
+ hcdma);
|
|
+ DWC_PRINT(" dev_addr: %d, ep_num: %d, ep_is_in: %d\n",
|
|
+ hc->dev_addr, hc->ep_num, hc->ep_is_in);
|
|
+ DWC_PRINT(" ep_type: %d\n", hc->ep_type);
|
|
+ DWC_PRINT(" max_packet: %d\n", hc->max_packet);
|
|
+ DWC_PRINT(" data_pid_start: %d\n", hc->data_pid_start);
|
|
+ DWC_PRINT(" xfer_started: %d\n", hc->xfer_started);
|
|
+ DWC_PRINT(" halt_status: %d\n", hc->halt_status);
|
|
+ DWC_PRINT(" xfer_buff: %p\n", hc->xfer_buff);
|
|
+ DWC_PRINT(" xfer_len: %d\n", hc->xfer_len);
|
|
+ DWC_PRINT(" qh: %p\n", hc->qh);
|
|
+ DWC_PRINT(" NP inactive sched:\n");
|
|
+ list_for_each(item, &hcd->non_periodic_sched_inactive) {
|
|
+ qh_item = list_entry(item, struct dwc_otg_qh,
|
|
+ qh_list_entry);
|
|
+ DWC_PRINT(" %p\n", qh_item);
|
|
+ }
|
|
+ DWC_PRINT(" NP active sched:\n");
|
|
+ list_for_each(item, &hcd->non_periodic_sched_active) {
|
|
+ qh_item = list_entry(item, struct dwc_otg_qh,
|
|
+ qh_list_entry);
|
|
+ DWC_PRINT(" %p\n", qh_item);
|
|
+ }
|
|
+ DWC_PRINT(" Channels: \n");
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ struct dwc_hc *hc = hcd->hc_ptr_array[i];
|
|
+ DWC_PRINT(" %2d: %p\n", i, hc);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+#endif
|
|
+
|
|
+/* Starts processing a USB transfer request specified by a USB Request Block
|
|
+ * (URB). mem_flags indicates the type of memory allocation to use while
|
|
+ * processing this URB. */
|
|
+int dwc_otg_hcd_urb_enqueue(struct usb_hcd *hcd,
|
|
+ struct urb *urb, unsigned _mem_flags)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ int retval = 0;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+
|
|
+ spin_lock_irqsave(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ /*
|
|
+ * Make sure the start of frame interrupt is enabled now that
|
|
+ * we know we should have queued data. The SOF interrupt
|
|
+ * handler automatically disables itself when idle to reduce
|
|
+ * the number of interrupts. See dwc_otg_hcd_handle_sof_intr()
|
|
+ * for the disable
|
|
+ */
|
|
+ dwc_modify_reg32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk, 0,
|
|
+ DWC_SOF_INTR_MASK);
|
|
+
|
|
+#ifdef DEBUG
|
|
+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB))
|
|
+ dump_urb_info(urb, "dwc_otg_hcd_urb_enqueue");
|
|
+#endif
|
|
+ if (!dwc_otg_hcd->flags.b.port_connect_status) {
|
|
+ /* No longer connected. */
|
|
+ retval = -ENODEV;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ qtd = dwc_otg_hcd_qtd_create(urb);
|
|
+ if (qtd == NULL) {
|
|
+ DWC_ERROR("DWC OTG HCD URB Enqueue failed creating QTD\n");
|
|
+ retval = -ENOMEM;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ retval = dwc_otg_hcd_qtd_add(qtd, dwc_otg_hcd);
|
|
+ if (retval < 0) {
|
|
+ DWC_ERROR("DWC OTG HCD URB Enqueue failed adding QTD. "
|
|
+ "Error status %d\n", retval);
|
|
+ dwc_otg_hcd_qtd_free(qtd);
|
|
+ }
|
|
+out:
|
|
+ spin_unlock_irqrestore(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/** Aborts/cancels a USB transfer request. Always returns 0 to indicate
|
|
+ * success. */
|
|
+int dwc_otg_hcd_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd;
|
|
+ struct dwc_otg_qtd *urb_qtd;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD URB Dequeue\n");
|
|
+
|
|
+ dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+
|
|
+ spin_lock_irqsave(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ urb_qtd = urb->hcpriv;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) {
|
|
+ dump_urb_info(urb, "dwc_otg_hcd_urb_dequeue");
|
|
+ if (urb_qtd == urb_qtd->qh->qtd_in_process)
|
|
+ dump_channel_info(dwc_otg_hcd, urb_qtd->qh);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ if (urb_qtd == urb_qtd->qh->qtd_in_process) {
|
|
+ /* The QTD is in process (it has been assigned to a channel). */
|
|
+
|
|
+ if (dwc_otg_hcd->flags.b.port_connect_status) {
|
|
+ /*
|
|
+ * If still connected (i.e. in host mode), halt the
|
|
+ * channel so it can be used for other transfers. If
|
|
+ * no longer connected, the host registers can't be
|
|
+ * written to halt the channel since the core is in
|
|
+ * device mode.
|
|
+ */
|
|
+ dwc_otg_hc_halt(dwc_otg_hcd->core_if,
|
|
+ urb_qtd->qh->channel,
|
|
+ DWC_OTG_HC_XFER_URB_DEQUEUE);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Free the QTD and clean up the associated QH. Leave the QH in the
|
|
+ * schedule if it has any remaining QTDs.
|
|
+ */
|
|
+ dwc_otg_hcd_qtd_remove_and_free(urb_qtd);
|
|
+ if (urb_qtd == urb_qtd->qh->qtd_in_process) {
|
|
+ dwc_otg_hcd_qh_deactivate(dwc_otg_hcd, urb_qtd->qh, 0);
|
|
+ urb_qtd->qh->channel = NULL;
|
|
+ urb_qtd->qh->qtd_in_process = NULL;
|
|
+ } else if (list_empty(&urb_qtd->qh->qtd_list)) {
|
|
+ dwc_otg_hcd_qh_remove(dwc_otg_hcd, urb_qtd->qh);
|
|
+ }
|
|
+
|
|
+ spin_unlock_irqrestore(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ urb->hcpriv = NULL;
|
|
+
|
|
+ /* Higher layer software sets URB status. */
|
|
+ usb_hcd_giveback_urb(hcd, urb, status);
|
|
+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) {
|
|
+ DWC_PRINT("Called usb_hcd_giveback_urb()\n");
|
|
+ DWC_PRINT(" urb->status = %d\n", urb->status);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* Frees resources in the DWC_otg controller related to a given endpoint. Also
|
|
+ * clears state in the HCD related to the endpoint. Any URBs for the endpoint
|
|
+ * must already be dequeued. */
|
|
+void dwc_otg_hcd_endpoint_disable(struct usb_hcd *hcd,
|
|
+ struct usb_host_endpoint *_ep)
|
|
+{
|
|
+ unsigned long flags;
|
|
+ struct dwc_otg_qh *qh;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+
|
|
+ spin_lock_irqsave(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "DWC OTG HCD EP DISABLE: _bEndpointAddress=0x%02x, "
|
|
+ "endpoint=%d\n", _ep->desc.bEndpointAddress,
|
|
+ dwc_ep_addr_to_endpoint(_ep->desc.bEndpointAddress));
|
|
+
|
|
+ qh = _ep->hcpriv;
|
|
+ if (qh != NULL) {
|
|
+#if 1
|
|
+ /*
|
|
+ * FIXME: Kludge to not crash on Octeon in SMP
|
|
+ * mode. Normally dwc_otg_hcd_qh_remove_and_free() is
|
|
+ * called even if the list isn't empty. This causes a
|
|
+ * crash on SMP, so we don't call it now. It works
|
|
+ * better, but probably does evil things I don't know
|
|
+ * about.
|
|
+ */
|
|
+ /* Check that the QTD list is really empty */
|
|
+ if (!list_empty(&qh->qtd_list)) {
|
|
+ pr_err("DWC OTG HCD EP DISABLE:"
|
|
+ " QTD List for this endpoint is not empty\n");
|
|
+ } else
|
|
+#endif
|
|
+ {
|
|
+ dwc_otg_hcd_qh_remove_and_free(dwc_otg_hcd, qh);
|
|
+ _ep->hcpriv = NULL;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ spin_unlock_irqrestore(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+/* Handles host mode interrupts for the DWC_otg controller. Returns IRQ_NONE if
|
|
+ * there was no interrupt to handle. Returns IRQ_HANDLED if there was a valid
|
|
+ * interrupt.
|
|
+ *
|
|
+ * This function is called by the USB core when an interrupt occurs */
|
|
+irqreturn_t dwc_otg_hcd_irq(struct usb_hcd *hcd)
|
|
+{
|
|
+ irqreturn_t result;
|
|
+ unsigned long flags;
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+
|
|
+ spin_lock_irqsave(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ result = IRQ_RETVAL(dwc_otg_hcd_handle_intr(dwc_otg_hcd));
|
|
+
|
|
+ spin_unlock_irqrestore(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ return result;
|
|
+}
|
|
+
|
|
+/** Creates Status Change bitmap for the root hub and root port. The bitmap is
|
|
+ * returned in buf. Bit 0 is the status change indicator for the root hub. Bit 1
|
|
+ * is the status change indicator for the single root port. Returns 1 if either
|
|
+ * change indicator is 1, otherwise returns 0. */
|
|
+int dwc_otg_hcd_hub_status_data(struct usb_hcd *hcd, char *_buf)
|
|
+{
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+
|
|
+ _buf[0] = 0;
|
|
+ _buf[0] |= (dwc_otg_hcd->flags.b.port_connect_status_change ||
|
|
+ dwc_otg_hcd->flags.b.port_reset_change ||
|
|
+ dwc_otg_hcd->flags.b.port_enable_change ||
|
|
+ dwc_otg_hcd->flags.b.port_suspend_change ||
|
|
+ dwc_otg_hcd->flags.b.port_over_current_change) << 1;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ if (_buf[0]) {
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB STATUS DATA:"
|
|
+ " Root port status changed\n");
|
|
+ DWC_DEBUGPL(DBG_HCDV, " port_connect_status_change: %d\n",
|
|
+ dwc_otg_hcd->flags.b.port_connect_status_change);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " port_reset_change: %d\n",
|
|
+ dwc_otg_hcd->flags.b.port_reset_change);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " port_enable_change: %d\n",
|
|
+ dwc_otg_hcd->flags.b.port_enable_change);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " port_suspend_change: %d\n",
|
|
+ dwc_otg_hcd->flags.b.port_suspend_change);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " port_over_current_change: %d\n",
|
|
+ dwc_otg_hcd->flags.b.port_over_current_change);
|
|
+ }
|
|
+#endif
|
|
+ return (_buf[0] != 0);
|
|
+}
|
|
+
|
|
+#ifdef DWC_HS_ELECT_TST
|
|
+/*
|
|
+ * Quick and dirty hack to implement the HS Electrical Test
|
|
+ * SINGLE_STEP_GET_DEVICE_DESCRIPTOR feature.
|
|
+ *
|
|
+ * This code was copied from our userspace app "hset". It sends a
|
|
+ * Get Device Descriptor control sequence in two parts, first the
|
|
+ * Setup packet by itself, followed some time later by the In and
|
|
+ * Ack packets. Rather than trying to figure out how to add this
|
|
+ * functionality to the normal driver code, we just hijack the
|
|
+ * hardware, using these two function to drive the hardware
|
|
+ * directly.
|
|
+ */
|
|
+
|
|
+struct dwc_otg_core_global_regs *global_regs;
|
|
+struct dwc_otg_host_global_regs *hc_global_regs;
|
|
+struct dwc_otg_hc_regs *hc_regs;
|
|
+uint32_t *data_fifo;
|
|
+
|
|
+static void do_setup(void)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+ union hctsiz_data hctsiz;
|
|
+ union hcchar_data hcchar;
|
|
+ union haint_data haint;
|
|
+ union hcint_data hcint;
|
|
+
|
|
+ /* Enable HAINTs */
|
|
+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0001);
|
|
+
|
|
+ /* Enable HCINTs */
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, 0x04a3);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /*
|
|
+ * Send Setup packet (Get Device Descriptor)
|
|
+ */
|
|
+
|
|
+ /* Make sure channel is disabled */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chen) {
|
|
+ hcchar.b.chdis = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ mdelay(1000);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ }
|
|
+
|
|
+ /* Set HCTSIZ */
|
|
+ hctsiz.d32 = 0;
|
|
+ hctsiz.b.xfersize = 8;
|
|
+ hctsiz.b.pktcnt = 1;
|
|
+ hctsiz.b.pid = DWC_OTG_HC_PID_SETUP;
|
|
+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32);
|
|
+
|
|
+ /* Set HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL;
|
|
+ hcchar.b.epdir = 0;
|
|
+ hcchar.b.epnum = 0;
|
|
+ hcchar.b.mps = 8;
|
|
+ hcchar.b.chen = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ /* Fill FIFO with Setup data for Get Device Descriptor */
|
|
+ data_fifo = (uint32_t *) ((char *)global_regs + 0x1000);
|
|
+ dwc_write_reg32(data_fifo++, 0x01000680);
|
|
+ dwc_write_reg32(data_fifo++, 0x00080000);
|
|
+
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Wait for host channel interrupt */
|
|
+ do {
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+ } while (gintsts.b.hcintr == 0);
|
|
+
|
|
+
|
|
+ /* Disable HCINTs */
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, 0x0000);
|
|
+
|
|
+ /* Disable HAINTs */
|
|
+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0000);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+}
|
|
+
|
|
+static void do_in_ack(void)
|
|
+{
|
|
+ union gintsts_data gintsts;
|
|
+ union hctsiz_data hctsiz;
|
|
+ union hcchar_data hcchar;
|
|
+ union haint_data haint;
|
|
+ union hcint_data hcint;
|
|
+ union host_grxsts_data grxsts;
|
|
+
|
|
+ /* Enable HAINTs */
|
|
+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0001);
|
|
+
|
|
+ /* Enable HCINTs */
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, 0x04a3);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /*
|
|
+ * Receive Control In packet
|
|
+ */
|
|
+
|
|
+ /* Make sure channel is disabled */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chen) {
|
|
+ hcchar.b.chdis = 1;
|
|
+ hcchar.b.chen = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ mdelay(1000);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ }
|
|
+
|
|
+ /* Set HCTSIZ */
|
|
+ hctsiz.d32 = 0;
|
|
+ hctsiz.b.xfersize = 8;
|
|
+ hctsiz.b.pktcnt = 1;
|
|
+ hctsiz.b.pid = DWC_OTG_HC_PID_DATA1;
|
|
+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32);
|
|
+
|
|
+ /* Set HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL;
|
|
+ hcchar.b.epdir = 1;
|
|
+ hcchar.b.epnum = 0;
|
|
+ hcchar.b.mps = 8;
|
|
+ hcchar.b.chen = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Wait for receive status queue interrupt */
|
|
+ do {
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+ } while (gintsts.b.rxstsqlvl == 0);
|
|
+
|
|
+ /* Read RXSTS */
|
|
+ grxsts.d32 = dwc_read_reg32(&global_regs->grxstsp);
|
|
+
|
|
+ /* Clear RXSTSQLVL in GINTSTS */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.rxstsqlvl = 1;
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ switch (grxsts.b.pktsts) {
|
|
+ case DWC_GRXSTS_PKTSTS_IN:
|
|
+ /* Read the data into the host buffer */
|
|
+ if (grxsts.b.bcnt > 0) {
|
|
+ int i;
|
|
+ int word_count = (grxsts.b.bcnt + 3) / 4;
|
|
+
|
|
+ data_fifo = (uint32_t *) ((char *)global_regs + 0x1000);
|
|
+
|
|
+ for (i = 0; i < word_count; i++)
|
|
+ (void)dwc_read_reg32(data_fifo++);
|
|
+ }
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Wait for receive status queue interrupt */
|
|
+ do {
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+ } while (gintsts.b.rxstsqlvl == 0);
|
|
+
|
|
+
|
|
+ /* Read RXSTS */
|
|
+ grxsts.d32 = dwc_read_reg32(&global_regs->grxstsp);
|
|
+
|
|
+ /* Clear RXSTSQLVL in GINTSTS */
|
|
+ gintsts.d32 = 0;
|
|
+ gintsts.b.rxstsqlvl = 1;
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ switch (grxsts.b.pktsts) {
|
|
+ case DWC_GRXSTS_PKTSTS_IN_XFER_COMP:
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Wait for host channel interrupt */
|
|
+ do {
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+ } while (gintsts.b.hcintr == 0);
|
|
+
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ mdelay(1);
|
|
+
|
|
+ /*
|
|
+ * Send handshake packet
|
|
+ */
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Make sure channel is disabled */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chen) {
|
|
+ hcchar.b.chdis = 1;
|
|
+ hcchar.b.chen = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ mdelay(1000);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ }
|
|
+
|
|
+ /* Set HCTSIZ */
|
|
+ hctsiz.d32 = 0;
|
|
+ hctsiz.b.xfersize = 0;
|
|
+ hctsiz.b.pktcnt = 1;
|
|
+ hctsiz.b.pid = DWC_OTG_HC_PID_DATA1;
|
|
+ dwc_write_reg32(&hc_regs->hctsiz, hctsiz.d32);
|
|
+
|
|
+ /* Set HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcchar.b.eptype = DWC_OTG_EP_TYPE_CONTROL;
|
|
+ hcchar.b.epdir = 0;
|
|
+ hcchar.b.epnum = 0;
|
|
+ hcchar.b.mps = 8;
|
|
+ hcchar.b.chen = 1;
|
|
+ dwc_write_reg32(&hc_regs->hcchar, hcchar.d32);
|
|
+
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+
|
|
+ /* Wait for host channel interrupt */
|
|
+ do {
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+ } while (gintsts.b.hcintr == 0);
|
|
+
|
|
+
|
|
+ /* Disable HCINTs */
|
|
+ dwc_write_reg32(&hc_regs->hcintmsk, 0x0000);
|
|
+
|
|
+ /* Disable HAINTs */
|
|
+ dwc_write_reg32(&hc_global_regs->haintmsk, 0x0000);
|
|
+
|
|
+ /* Read HAINT */
|
|
+ haint.d32 = dwc_read_reg32(&hc_global_regs->haint);
|
|
+
|
|
+ /* Read HCINT */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+
|
|
+ /* Read HCCHAR */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+
|
|
+ /* Clear HCINT */
|
|
+ dwc_write_reg32(&hc_regs->hcint, hcint.d32);
|
|
+
|
|
+ /* Clear HAINT */
|
|
+ dwc_write_reg32(&hc_global_regs->haint, haint.d32);
|
|
+
|
|
+ /* Clear GINTSTS */
|
|
+ dwc_write_reg32(&global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ /* Read GINTSTS */
|
|
+ gintsts.d32 = dwc_read_reg32(&global_regs->gintsts);
|
|
+}
|
|
+#endif /* DWC_HS_ELECT_TST */
|
|
+
|
|
+/* Handles hub class-specific requests.*/
|
|
+int dwc_otg_hcd_hub_control(struct usb_hcd *hcd,
|
|
+ u16 _typeReq,
|
|
+ u16 _wValue, u16 _wIndex, char *_buf, u16 _wLength)
|
|
+{
|
|
+ int retval = 0;
|
|
+ unsigned long flags;
|
|
+
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd = hcd_to_dwc_otg_hcd(hcd);
|
|
+ struct dwc_otg_core_if *core_if = hcd_to_dwc_otg_hcd(hcd)->core_if;
|
|
+ struct usb_hub_descriptor *desc;
|
|
+ union hprt0_data hprt0 = {.d32 = 0 };
|
|
+
|
|
+ uint32_t port_status;
|
|
+#ifdef DWC_HS_ELECT_TST
|
|
+ uint32_t t;
|
|
+ union gintmsk_data gintmsk;
|
|
+#endif
|
|
+ spin_lock_irqsave(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ switch (_typeReq) {
|
|
+ case ClearHubFeature:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearHubFeature 0x%x\n", _wValue);
|
|
+ switch (_wValue) {
|
|
+ case C_HUB_LOCAL_POWER:
|
|
+ case C_HUB_OVER_CURRENT:
|
|
+ /* Nothing required here */
|
|
+ break;
|
|
+ default:
|
|
+ retval = -EINVAL;
|
|
+ DWC_ERROR("DWC OTG HCD - "
|
|
+ "ClearHubFeature request %xh unknown\n",
|
|
+ _wValue);
|
|
+ }
|
|
+ break;
|
|
+ case ClearPortFeature:
|
|
+ if (!_wIndex || _wIndex > 1)
|
|
+ goto error;
|
|
+
|
|
+ switch (_wValue) {
|
|
+ case USB_PORT_FEAT_ENABLE:
|
|
+ DWC_DEBUGPL(DBG_ANY, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_ENABLE\n");
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtena = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ break;
|
|
+ case USB_PORT_FEAT_SUSPEND:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_SUSPEND\n");
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtres = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ /* Clear Resume bit */
|
|
+ mdelay(100);
|
|
+ hprt0.b.prtres = 0;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ break;
|
|
+ case USB_PORT_FEAT_POWER:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_POWER\n");
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtpwr = 0;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ break;
|
|
+ case USB_PORT_FEAT_INDICATOR:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_INDICATOR\n");
|
|
+ /* Port inidicator not supported */
|
|
+ break;
|
|
+ case USB_PORT_FEAT_C_CONNECTION:
|
|
+ /* Clears drivers internal connect status change
|
|
+ * flag */
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_C_CONNECTION\n");
|
|
+ dwc_otg_hcd->flags.b.port_connect_status_change = 0;
|
|
+ break;
|
|
+ case USB_PORT_FEAT_C_RESET:
|
|
+ /* Clears the driver's internal Port Reset Change
|
|
+ * flag */
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_C_RESET\n");
|
|
+ dwc_otg_hcd->flags.b.port_reset_change = 0;
|
|
+ break;
|
|
+ case USB_PORT_FEAT_C_ENABLE:
|
|
+ /* Clears the driver's internal Port
|
|
+ * Enable/Disable Change flag */
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_C_ENABLE\n");
|
|
+ dwc_otg_hcd->flags.b.port_enable_change = 0;
|
|
+ break;
|
|
+ case USB_PORT_FEAT_C_SUSPEND:
|
|
+ /* Clears the driver's internal Port Suspend
|
|
+ * Change flag, which is set when resume signaling on
|
|
+ * the host port is complete */
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_C_SUSPEND\n");
|
|
+ dwc_otg_hcd->flags.b.port_suspend_change = 0;
|
|
+ break;
|
|
+ case USB_PORT_FEAT_C_OVER_CURRENT:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "ClearPortFeature USB_PORT_FEAT_C_OVER_CURRENT\n");
|
|
+ dwc_otg_hcd->flags.b.port_over_current_change = 0;
|
|
+ break;
|
|
+ default:
|
|
+ retval = -EINVAL;
|
|
+ DWC_ERROR("DWC OTG HCD - "
|
|
+ "ClearPortFeature request %xh "
|
|
+ "unknown or unsupported\n", _wValue);
|
|
+ }
|
|
+ break;
|
|
+ case GetHubDescriptor:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "GetHubDescriptor\n");
|
|
+ desc = (struct usb_hub_descriptor *)_buf;
|
|
+ desc->bDescLength = 9;
|
|
+ desc->bDescriptorType = 0x29;
|
|
+ desc->bNbrPorts = 1;
|
|
+ desc->wHubCharacteristics = 0x08;
|
|
+ desc->bPwrOn2PwrGood = 1;
|
|
+ desc->bHubContrCurrent = 0;
|
|
+ desc->bitmap[0] = 0;
|
|
+ desc->bitmap[1] = 0xff;
|
|
+ break;
|
|
+ case GetHubStatus:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "GetHubStatus\n");
|
|
+ memset(_buf, 0, 4);
|
|
+ break;
|
|
+ case GetPortStatus:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "GetPortStatus\n");
|
|
+
|
|
+ if (!_wIndex || _wIndex > 1)
|
|
+ goto error;
|
|
+
|
|
+ port_status = 0;
|
|
+
|
|
+ if (dwc_otg_hcd->flags.b.port_connect_status_change)
|
|
+ port_status |= (1 << USB_PORT_FEAT_C_CONNECTION);
|
|
+
|
|
+ if (dwc_otg_hcd->flags.b.port_enable_change)
|
|
+ port_status |= (1 << USB_PORT_FEAT_C_ENABLE);
|
|
+
|
|
+ if (dwc_otg_hcd->flags.b.port_suspend_change)
|
|
+ port_status |= (1 << USB_PORT_FEAT_C_SUSPEND);
|
|
+
|
|
+ if (dwc_otg_hcd->flags.b.port_reset_change)
|
|
+ port_status |= (1 << USB_PORT_FEAT_C_RESET);
|
|
+
|
|
+ if (dwc_otg_hcd->flags.b.port_over_current_change) {
|
|
+ DWC_ERROR("Device Not Supported\n");
|
|
+ port_status |= (1 << USB_PORT_FEAT_C_OVER_CURRENT);
|
|
+ }
|
|
+
|
|
+ if (!dwc_otg_hcd->flags.b.port_connect_status) {
|
|
+ /*
|
|
+ * The port is disconnected, which means the core is
|
|
+ * either in device mode or it soon will be. Just
|
|
+ * return 0's for the remainder of the port status
|
|
+ * since the port register can't be read if the core
|
|
+ * is in device mode.
|
|
+ */
|
|
+ *((__le32 *) _buf) = cpu_to_le32(port_status);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ hprt0.d32 = dwc_read_reg32(core_if->host_if->hprt0);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " HPRT0: 0x%08x\n", hprt0.d32);
|
|
+
|
|
+ if (hprt0.b.prtconnsts)
|
|
+ port_status |= (1 << USB_PORT_FEAT_CONNECTION);
|
|
+
|
|
+ if (hprt0.b.prtena)
|
|
+ port_status |= (1 << USB_PORT_FEAT_ENABLE);
|
|
+
|
|
+ if (hprt0.b.prtsusp)
|
|
+ port_status |= (1 << USB_PORT_FEAT_SUSPEND);
|
|
+
|
|
+ if (hprt0.b.prtovrcurract)
|
|
+ port_status |= (1 << USB_PORT_FEAT_OVER_CURRENT);
|
|
+
|
|
+ if (hprt0.b.prtrst)
|
|
+ port_status |= (1 << USB_PORT_FEAT_RESET);
|
|
+
|
|
+ if (hprt0.b.prtpwr)
|
|
+ port_status |= (1 << USB_PORT_FEAT_POWER);
|
|
+
|
|
+ if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_HIGH_SPEED)
|
|
+ port_status |= (1 << USB_PORT_FEAT_HIGHSPEED);
|
|
+ else if (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED)
|
|
+ port_status |= (1 << USB_PORT_FEAT_LOWSPEED);
|
|
+
|
|
+ if (hprt0.b.prttstctl)
|
|
+ port_status |= (1 << USB_PORT_FEAT_TEST);
|
|
+
|
|
+ /* USB_PORT_FEAT_INDICATOR unsupported always 0 */
|
|
+
|
|
+ *((__le32 *) _buf) = cpu_to_le32(port_status);
|
|
+
|
|
+ break;
|
|
+ case SetHubFeature:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "SetHubFeature\n");
|
|
+ /* No HUB features supported */
|
|
+ break;
|
|
+ case SetPortFeature:
|
|
+ if (_wValue != USB_PORT_FEAT_TEST && (!_wIndex || _wIndex > 1))
|
|
+ goto error;
|
|
+
|
|
+ if (!dwc_otg_hcd->flags.b.port_connect_status) {
|
|
+ /*
|
|
+ * The port is disconnected, which means the core is
|
|
+ * either in device mode or it soon will be. Just
|
|
+ * return without doing anything since the port
|
|
+ * register can't be written if the core is in device
|
|
+ * mode.
|
|
+ */
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ switch (_wValue) {
|
|
+ case USB_PORT_FEAT_SUSPEND:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "SetPortFeature - USB_PORT_FEAT_SUSPEND\n");
|
|
+ if (hcd->self.otg_port == _wIndex &&
|
|
+ hcd->self.b_hnp_enable) {
|
|
+ union gotgctl_data gotgctl = {.d32 = 0 };
|
|
+ gotgctl.b.hstsethnpen = 1;
|
|
+ dwc_modify_reg32(&core_if->core_global_regs->
|
|
+ gotgctl, 0, gotgctl.d32);
|
|
+ core_if->op_state = A_SUSPEND;
|
|
+ }
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtsusp = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ /* Suspend the Phy Clock */
|
|
+ {
|
|
+ union pcgcctl_data pcgcctl = {.d32 = 0 };
|
|
+ pcgcctl.b.stoppclk = 1;
|
|
+ dwc_write_reg32(core_if->pcgcctl, pcgcctl.d32);
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * For HNP the bus must be suspended for at
|
|
+ * least 200ms.
|
|
+ */
|
|
+ if (hcd->self.b_hnp_enable)
|
|
+ mdelay(200);
|
|
+ break;
|
|
+ case USB_PORT_FEAT_POWER:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "SetPortFeature - USB_PORT_FEAT_POWER\n");
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtpwr = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ break;
|
|
+ case USB_PORT_FEAT_RESET:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "SetPortFeature - USB_PORT_FEAT_RESET\n");
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ /* When B-Host the Port reset bit is set in
|
|
+ * the Start HCD Callback function, so that
|
|
+ * the reset is started within 1ms of the HNP
|
|
+ * success interrupt. */
|
|
+ if (!hcd->self.is_b_host) {
|
|
+ hprt0.b.prtrst = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0,
|
|
+ hprt0.d32);
|
|
+ }
|
|
+ /* Clear reset bit in 10ms (FS/LS) or 50ms (HS) */
|
|
+ mdelay(60);
|
|
+ hprt0.b.prtrst = 0;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0, hprt0.d32);
|
|
+ break;
|
|
+
|
|
+#ifdef DWC_HS_ELECT_TST
|
|
+ case USB_PORT_FEAT_TEST:
|
|
+ t = (_wIndex >> 8); /* MSB wIndex USB */
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "DWC OTG HCD HUB CONTROL - "
|
|
+ "SetPortFeature - USB_PORT_FEAT_TEST %d\n", t);
|
|
+ warn("USB_PORT_FEAT_TEST %d\n", t);
|
|
+ if (t < 6) {
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prttstctl = t;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0,
|
|
+ hprt0.d32);
|
|
+ } else {
|
|
+ /* Setup global vars with reg
|
|
+ * addresses (quick and dirty hack,
|
|
+ * should be cleaned up)
|
|
+ */
|
|
+ global_regs = core_if->core_global_regs;
|
|
+ hc_global_regs =
|
|
+ core_if->host_if->host_global_regs;
|
|
+ hc_regs =
|
|
+ (struct dwc_otg_hc_regs *) ((char *)
|
|
+ global_regs +
|
|
+ 0x500);
|
|
+ data_fifo =
|
|
+ (uint32_t *) ((char *)global_regs +
|
|
+ 0x1000);
|
|
+
|
|
+ if (t == 6) { /* HS_HOST_PORT_SUSPEND_RESUME */
|
|
+ /* Save current interrupt mask */
|
|
+ gintmsk.d32 =
|
|
+ dwc_read_reg32(&global_regs->gintmsk);
|
|
+
|
|
+ /* Disable all interrupts
|
|
+ * while we muck with the
|
|
+ * hardware directly
|
|
+ */
|
|
+ dwc_write_reg32(&global_regs->gintmsk,
|
|
+ 0);
|
|
+
|
|
+ /* 15 second delay per the test spec */
|
|
+ mdelay(15000);
|
|
+
|
|
+ /* Drive suspend on the root port */
|
|
+ hprt0.d32 =
|
|
+ dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtsusp = 1;
|
|
+ hprt0.b.prtres = 0;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0,
|
|
+ hprt0.d32);
|
|
+
|
|
+ /* 15 second delay per the test spec */
|
|
+ mdelay(15000);
|
|
+
|
|
+ /* Drive resume on the root port */
|
|
+ hprt0.d32 = dwc_otg_read_hprt0(core_if);
|
|
+ hprt0.b.prtsusp = 0;
|
|
+ hprt0.b.prtres = 1;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0,
|
|
+ hprt0.d32);
|
|
+ mdelay(100);
|
|
+
|
|
+ /* Clear the resume bit */
|
|
+ hprt0.b.prtres = 0;
|
|
+ dwc_write_reg32(core_if->host_if->hprt0,
|
|
+ hprt0.d32);
|
|
+
|
|
+ /* Restore interrupts */
|
|
+ dwc_write_reg32(&global_regs->gintmsk,
|
|
+ gintmsk.d32);
|
|
+ } else if (t == 7) {
|
|
+ /* SINGLE_STEP_GET_DEVICE_DESCRIPTOR setup */
|
|
+ /* Save current interrupt mask */
|
|
+ gintmsk.d32 =
|
|
+ dwc_read_reg32(&global_regs->gintmsk);
|
|
+
|
|
+ /*
|
|
+ * Disable all interrupts
|
|
+ * while we muck with the
|
|
+ * hardware directly
|
|
+ */
|
|
+ dwc_write_reg32(&global_regs->gintmsk,
|
|
+ 0);
|
|
+
|
|
+ /* 15 second delay per the test spec */
|
|
+ mdelay(15000);
|
|
+
|
|
+ /* Send the Setup packet */
|
|
+ do_setup();
|
|
+
|
|
+ /*
|
|
+ * 15 second delay so nothing
|
|
+ * else happens for awhile.
|
|
+ */
|
|
+ mdelay(15000);
|
|
+
|
|
+ /* Restore interrupts */
|
|
+ dwc_write_reg32(&global_regs->gintmsk,
|
|
+ gintmsk.d32);
|
|
+ } else if (t == 8) {
|
|
+ /* SINGLE_STEP_GET_DEVICE_DESCRIPTOR execute */
|
|
+ /* Save current interrupt mask */
|
|
+ gintmsk.d32 =
|
|
+ dwc_read_reg32(&global_regs->gintmsk);
|
|
+
|
|
+ /*
|
|
+ * Disable all interrupts
|
|
+ * while we muck with the
|
|
+ * hardware directly
|
|
+ */
|
|
+ dwc_write_reg32(&global_regs->gintmsk,
|
|
+ 0);
|
|
+
|
|
+ /* Send the Setup packet */
|
|
+ do_setup();
|
|
+
|
|
+ /* 15 second delay so nothing else happens for awhile */
|
|
+ mdelay(15000);
|
|
+
|
|
+ /* Send the In and Ack packets */
|
|
+ do_in_ack();
|
|
+
|
|
+ /* 15 second delay so nothing else happens for awhile */
|
|
+ mdelay(15000);
|
|
+
|
|
+ /* Restore interrupts */
|
|
+ dwc_write_reg32(&global_regs->gintmsk,
|
|
+ gintmsk.d32);
|
|
+ }
|
|
+ }
|
|
+ break;
|
|
+#endif /* DWC_HS_ELECT_TST */
|
|
+
|
|
+ case USB_PORT_FEAT_INDICATOR:
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD HUB CONTROL - "
|
|
+ "SetPortFeature - USB_PORT_FEAT_INDICATOR\n");
|
|
+ /* Not supported */
|
|
+ break;
|
|
+ default:
|
|
+ retval = -EINVAL;
|
|
+ DWC_ERROR("DWC OTG HCD - "
|
|
+ "SetPortFeature request %xh "
|
|
+ "unknown or unsupported\n", _wValue);
|
|
+ break;
|
|
+ }
|
|
+ break;
|
|
+ default:
|
|
+error:
|
|
+ retval = -EINVAL;
|
|
+ DWC_WARN("DWC OTG HCD - Unknown hub control request type or "
|
|
+ "invalid typeReq: %xh wIndex: %xh wValue: %xh\n",
|
|
+ _typeReq, _wIndex, _wValue);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ spin_unlock_irqrestore(&dwc_otg_hcd->global_lock, flags);
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Assigns transactions from a QTD to a free host channel and initializes the
|
|
+ * host channel to perform the transactions. The host channel is removed from
|
|
+ * the free list.
|
|
+ *
|
|
+ * @hcd: The HCD state structure.
|
|
+ * @_qh: Transactions from the first QTD for this QH are selected and
|
|
+ * assigned to a free host channel.
|
|
+ */
|
|
+static void assign_and_init_hc(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *_qh)
|
|
+{
|
|
+ struct dwc_hc *hc;
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+ struct urb *urb;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "%s(%p,%p)\n", __func__, hcd, _qh);
|
|
+
|
|
+ hc = list_entry(hcd->free_hc_list.next, struct dwc_hc, hc_list_entry);
|
|
+
|
|
+ /* Remove the host channel from the free list. */
|
|
+ list_del_init(&hc->hc_list_entry);
|
|
+
|
|
+ qtd = list_entry(_qh->qtd_list.next, struct dwc_otg_qtd,
|
|
+ qtd_list_entry);
|
|
+ urb = qtd->urb;
|
|
+ _qh->channel = hc;
|
|
+ _qh->qtd_in_process = qtd;
|
|
+
|
|
+ /*
|
|
+ * Use usb_pipedevice to determine device address. This address is
|
|
+ * 0 before the SET_ADDRESS command and the correct address afterward.
|
|
+ */
|
|
+ hc->dev_addr = usb_pipedevice(urb->pipe);
|
|
+ hc->ep_num = usb_pipeendpoint(urb->pipe);
|
|
+
|
|
+ if (urb->dev->speed == USB_SPEED_LOW)
|
|
+ hc->speed = DWC_OTG_EP_SPEED_LOW;
|
|
+ else if (urb->dev->speed == USB_SPEED_FULL)
|
|
+ hc->speed = DWC_OTG_EP_SPEED_FULL;
|
|
+ else
|
|
+ hc->speed = DWC_OTG_EP_SPEED_HIGH;
|
|
+
|
|
+ hc->max_packet = dwc_max_packet(_qh->maxp);
|
|
+
|
|
+ hc->xfer_started = 0;
|
|
+ hc->halt_status = DWC_OTG_HC_XFER_NO_HALT_STATUS;
|
|
+ hc->error_state = (qtd->error_count > 0);
|
|
+ hc->halt_on_queue = 0;
|
|
+ hc->halt_pending = 0;
|
|
+ hc->requests = 0;
|
|
+
|
|
+ /*
|
|
+ * The following values may be modified in the transfer type section
|
|
+ * below. The xfer_len value may be reduced when the transfer is
|
|
+ * started to accommodate the max widths of the XferSize and PktCnt
|
|
+ * fields in the HCTSIZn register.
|
|
+ */
|
|
+ hc->do_ping = _qh->ping_state;
|
|
+ hc->ep_is_in = (usb_pipein(urb->pipe) != 0);
|
|
+ hc->data_pid_start = _qh->data_toggle;
|
|
+ hc->multi_count = 1;
|
|
+
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
|
|
+ const uint64_t USBN_DMA0_INB_CHN0 =
|
|
+ CVMX_USBNX_DMA0_INB_CHN0(hcd->core_if->usb_num);
|
|
+#endif /* CONFIG_CPU_CAVIUM_OCTEON */
|
|
+ hc->xfer_buff =
|
|
+ (uint8_t *) (unsigned long)urb->transfer_dma +
|
|
+ urb->actual_length;
|
|
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
|
|
+ /* Octeon uses external DMA */
|
|
+ wmb();
|
|
+ cvmx_write_csr(USBN_DMA0_INB_CHN0 + hc->hc_num * 8,
|
|
+ (unsigned long)hc->xfer_buff);
|
|
+ cvmx_read_csr(USBN_DMA0_INB_CHN0 + hc->hc_num * 8);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ "IN: hc->hc_num = %d, hc->xfer_buff = %p\n",
|
|
+ hc->hc_num, hc->xfer_buff);
|
|
+#endif /* CONFIG_CPU_CAVIUM_OCTEON */
|
|
+ } else {
|
|
+ hc->xfer_buff =
|
|
+ (uint8_t *) urb->transfer_buffer + urb->actual_length;
|
|
+ }
|
|
+ hc->xfer_len = urb->transfer_buffer_length - urb->actual_length;
|
|
+ hc->xfer_count = 0;
|
|
+
|
|
+ /*
|
|
+ * Set the split attributes
|
|
+ */
|
|
+ hc->do_split = 0;
|
|
+ if (_qh->do_split) {
|
|
+ hc->do_split = 1;
|
|
+ hc->xact_pos = qtd->isoc_split_pos;
|
|
+ hc->complete_split = qtd->complete_split;
|
|
+ hc->hub_addr = urb->dev->tt->hub->devnum;
|
|
+ hc->port_addr = urb->dev->ttport;
|
|
+ }
|
|
+
|
|
+ switch (usb_pipetype(urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ hc->ep_type = DWC_OTG_EP_TYPE_CONTROL;
|
|
+ switch (qtd->control_phase) {
|
|
+ case DWC_OTG_CONTROL_SETUP:
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Control setup transaction\n");
|
|
+ hc->do_ping = 0;
|
|
+ hc->ep_is_in = 0;
|
|
+ hc->data_pid_start = DWC_OTG_HC_PID_SETUP;
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+ hc->xfer_buff =
|
|
+ (uint8_t *) (unsigned long)urb->setup_dma;
|
|
+ } else {
|
|
+ hc->xfer_buff = (uint8_t *) urb->setup_packet;
|
|
+ }
|
|
+ hc->xfer_len = 8;
|
|
+ break;
|
|
+ case DWC_OTG_CONTROL_DATA:
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Control data transaction\n");
|
|
+ hc->data_pid_start = qtd->data_toggle;
|
|
+ break;
|
|
+ case DWC_OTG_CONTROL_STATUS:
|
|
+ /*
|
|
+ * Direction is opposite of data direction or IN if no
|
|
+ * data.
|
|
+ */
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Control status transaction\n");
|
|
+ if (urb->transfer_buffer_length == 0) {
|
|
+ hc->ep_is_in = 1;
|
|
+ } else {
|
|
+ hc->ep_is_in =
|
|
+ (usb_pipein(urb->pipe) != USB_DIR_IN);
|
|
+ }
|
|
+ if (hc->ep_is_in)
|
|
+ hc->do_ping = 0;
|
|
+ hc->data_pid_start = DWC_OTG_HC_PID_DATA1;
|
|
+ hc->xfer_len = 0;
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+ hc->xfer_buff =
|
|
+ (uint8_t *) (unsigned long)hcd->
|
|
+ status_buf_dma;
|
|
+ } else {
|
|
+ hc->xfer_buff = (uint8_t *) hcd->status_buf;
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+ break;
|
|
+ case PIPE_BULK:
|
|
+ hc->ep_type = DWC_OTG_EP_TYPE_BULK;
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ hc->ep_type = DWC_OTG_EP_TYPE_INTR;
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ {
|
|
+ struct usb_iso_packet_descriptor *frame_desc;
|
|
+ frame_desc =
|
|
+ &urb->iso_frame_desc[qtd->isoc_frame_index];
|
|
+ hc->ep_type = DWC_OTG_EP_TYPE_ISOC;
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+ hc->xfer_buff =
|
|
+ (uint8_t *) (unsigned long)urb->
|
|
+ transfer_dma;
|
|
+ } else {
|
|
+ hc->xfer_buff =
|
|
+ (uint8_t *) urb->transfer_buffer;
|
|
+ }
|
|
+ hc->xfer_buff +=
|
|
+ frame_desc->offset + qtd->isoc_split_offset;
|
|
+ hc->xfer_len =
|
|
+ frame_desc->length - qtd->isoc_split_offset;
|
|
+
|
|
+ if (hc->xact_pos == DWC_HCSPLIT_XACTPOS_ALL) {
|
|
+ if (hc->xfer_len <= 188) {
|
|
+ hc->xact_pos = DWC_HCSPLIT_XACTPOS_ALL;
|
|
+ } else {
|
|
+ hc->xact_pos =
|
|
+ DWC_HCSPLIT_XACTPOS_BEGIN;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ /*
|
|
+ * This value may be modified when the transfer is started to
|
|
+ * reflect the actual transfer length.
|
|
+ */
|
|
+ hc->multi_count = dwc_hb_mult(_qh->maxp);
|
|
+ }
|
|
+
|
|
+ dwc_otg_hc_init(hcd->core_if, hc);
|
|
+ hc->qh = _qh;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function selects transactions from the HCD transfer schedule and
|
|
+ * assigns them to available host channels. It is called from HCD interrupt
|
|
+ * handler functions.
|
|
+ *
|
|
+ * @hcd: The HCD state structure.
|
|
+ *
|
|
+ * Returns The types of new transactions that were assigned to host channels.
|
|
+ */
|
|
+enum dwc_otg_transaction_type dwc_otg_hcd_select_transactions(struct dwc_otg_hcd
|
|
+ *hcd)
|
|
+{
|
|
+ struct list_head *qh_ptr;
|
|
+ struct dwc_otg_qh *qh;
|
|
+ int num_channels;
|
|
+ enum dwc_otg_transaction_type ret_val = DWC_OTG_TRANSACTION_NONE;
|
|
+
|
|
+#ifdef DEBUG_SOF
|
|
+ DWC_DEBUGPL(DBG_HCD, " Select Transactions\n");
|
|
+#endif
|
|
+
|
|
+ /* Process entries in the periodic ready list. */
|
|
+ qh_ptr = hcd->periodic_sched_ready.next;
|
|
+ while (qh_ptr != &hcd->periodic_sched_ready &&
|
|
+ !list_empty(&hcd->free_hc_list)) {
|
|
+
|
|
+ qh = list_entry(qh_ptr, struct dwc_otg_qh, qh_list_entry);
|
|
+ assign_and_init_hc(hcd, qh);
|
|
+
|
|
+ /*
|
|
+ * Move the QH from the periodic ready schedule to the
|
|
+ * periodic assigned schedule.
|
|
+ */
|
|
+ qh_ptr = qh_ptr->next;
|
|
+ list_move(&qh->qh_list_entry, &hcd->periodic_sched_assigned);
|
|
+
|
|
+ ret_val = DWC_OTG_TRANSACTION_PERIODIC;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Process entries in the inactive portion of the non-periodic
|
|
+ * schedule. Some free host channels may not be used if they are
|
|
+ * reserved for periodic transfers.
|
|
+ */
|
|
+ qh_ptr = hcd->non_periodic_sched_inactive.next;
|
|
+ num_channels = hcd->core_if->core_params->host_channels;
|
|
+ while (qh_ptr != &hcd->non_periodic_sched_inactive &&
|
|
+ (hcd->non_periodic_channels <
|
|
+ num_channels - hcd->periodic_channels) &&
|
|
+ !list_empty(&hcd->free_hc_list)) {
|
|
+
|
|
+ qh = list_entry(qh_ptr, struct dwc_otg_qh, qh_list_entry);
|
|
+ assign_and_init_hc(hcd, qh);
|
|
+
|
|
+ /*
|
|
+ * Move the QH from the non-periodic inactive schedule to the
|
|
+ * non-periodic active schedule.
|
|
+ */
|
|
+ qh_ptr = qh_ptr->next;
|
|
+ list_move(&qh->qh_list_entry, &hcd->non_periodic_sched_active);
|
|
+
|
|
+ if (ret_val == DWC_OTG_TRANSACTION_NONE)
|
|
+ ret_val = DWC_OTG_TRANSACTION_NON_PERIODIC;
|
|
+ else
|
|
+ ret_val = DWC_OTG_TRANSACTION_ALL;
|
|
+
|
|
+ hcd->non_periodic_channels++;
|
|
+ }
|
|
+
|
|
+ return ret_val;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Attempts to queue a single transaction request for a host channel
|
|
+ * associated with either a periodic or non-periodic transfer. This function
|
|
+ * assumes that there is space available in the appropriate request queue. For
|
|
+ * an OUT transfer or SETUP transaction in Slave mode, it checks whether space
|
|
+ * is available in the appropriate Tx FIFO.
|
|
+ *
|
|
+ * @hcd: The HCD state structure.
|
|
+ * @_hc: Host channel descriptor associated with either a periodic or
|
|
+ * non-periodic transfer.
|
|
+ * @_fifo_dwords_avail: Number of DWORDs available in the periodic Tx
|
|
+ * FIFO for periodic transfers or the non-periodic Tx FIFO for non-periodic
|
|
+ * transfers.
|
|
+ *
|
|
+ * Returns 1 if a request is queued and more requests may be needed to
|
|
+ * complete the transfer, 0 if no more requests are required for this
|
|
+ * transfer, -1 if there is insufficient space in the Tx FIFO.
|
|
+ */
|
|
+static int queue_transaction(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *_hc, uint16_t _fifo_dwords_avail)
|
|
+{
|
|
+ int retval;
|
|
+
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+ if (!_hc->xfer_started) {
|
|
+ dwc_otg_hc_start_transfer(hcd->core_if, _hc);
|
|
+ _hc->qh->ping_state = 0;
|
|
+ }
|
|
+ retval = 0;
|
|
+ } else if (_hc->halt_pending) {
|
|
+ /* Don't queue a request if the channel has been halted. */
|
|
+ retval = 0;
|
|
+ } else if (_hc->halt_on_queue) {
|
|
+ dwc_otg_hc_halt(hcd->core_if, _hc, _hc->halt_status);
|
|
+ retval = 0;
|
|
+ } else if (_hc->do_ping) {
|
|
+ if (!_hc->xfer_started)
|
|
+ dwc_otg_hc_start_transfer(hcd->core_if, _hc);
|
|
+ retval = 0;
|
|
+ } else if (!_hc->ep_is_in ||
|
|
+ _hc->data_pid_start == DWC_OTG_HC_PID_SETUP) {
|
|
+ if ((_fifo_dwords_avail * 4) >= _hc->max_packet) {
|
|
+ if (!_hc->xfer_started) {
|
|
+ dwc_otg_hc_start_transfer(hcd->core_if, _hc);
|
|
+ retval = 1;
|
|
+ } else {
|
|
+ retval =
|
|
+ dwc_otg_hc_continue_transfer(hcd->core_if,
|
|
+ _hc);
|
|
+ }
|
|
+ } else {
|
|
+ retval = -1;
|
|
+ }
|
|
+ } else {
|
|
+ if (!_hc->xfer_started) {
|
|
+ dwc_otg_hc_start_transfer(hcd->core_if, _hc);
|
|
+ retval = 1;
|
|
+ } else {
|
|
+ retval =
|
|
+ dwc_otg_hc_continue_transfer(hcd->core_if, _hc);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Processes active non-periodic channels and queues transactions for these
|
|
+ * channels to the DWC_otg controller. After queueing transactions, the NP Tx
|
|
+ * FIFO Empty interrupt is enabled if there are more transactions to queue as
|
|
+ * NP Tx FIFO or request queue space becomes available. Otherwise, the NP Tx
|
|
+ * FIFO Empty interrupt is disabled.
|
|
+ */
|
|
+static void process_non_periodic_channels(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ union gnptxsts_data tx_status;
|
|
+ struct list_head *orig_qh_ptr;
|
|
+ struct dwc_otg_qh *qh;
|
|
+ int status;
|
|
+ int no_queue_space = 0;
|
|
+ int no_fifo_space = 0;
|
|
+ int more_to_do = 0;
|
|
+
|
|
+ struct dwc_otg_core_global_regs *global_regs =
|
|
+ hcd->core_if->core_global_regs;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "Queue non-periodic transactions\n");
|
|
+#ifdef DEBUG
|
|
+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " NP Tx Req Queue Space Avail (before queue): %d\n",
|
|
+ tx_status.b.nptxqspcavail);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " NP Tx FIFO Space Avail (before queue): %d\n",
|
|
+ tx_status.b.nptxfspcavail);
|
|
+#endif
|
|
+ /*
|
|
+ * Keep track of the starting point. Skip over the start-of-list
|
|
+ * entry.
|
|
+ */
|
|
+ if (hcd->non_periodic_qh_ptr == &hcd->non_periodic_sched_active)
|
|
+ hcd->non_periodic_qh_ptr = hcd->non_periodic_qh_ptr->next;
|
|
+
|
|
+ orig_qh_ptr = hcd->non_periodic_qh_ptr;
|
|
+
|
|
+ /*
|
|
+ * Process once through the active list or until no more space is
|
|
+ * available in the request queue or the Tx FIFO.
|
|
+ */
|
|
+ do {
|
|
+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts);
|
|
+ if (!hcd->core_if->dma_enable
|
|
+ && tx_status.b.nptxqspcavail == 0) {
|
|
+ no_queue_space = 1;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ qh = list_entry(hcd->non_periodic_qh_ptr, struct dwc_otg_qh,
|
|
+ qh_list_entry);
|
|
+ status =
|
|
+ queue_transaction(hcd, qh->channel,
|
|
+ tx_status.b.nptxfspcavail);
|
|
+
|
|
+ if (status > 0) {
|
|
+ more_to_do = 1;
|
|
+ } else if (status < 0) {
|
|
+ no_fifo_space = 1;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ /* Advance to next QH, skipping start-of-list entry. */
|
|
+ hcd->non_periodic_qh_ptr = hcd->non_periodic_qh_ptr->next;
|
|
+ if (hcd->non_periodic_qh_ptr ==
|
|
+ &hcd->non_periodic_sched_active) {
|
|
+ hcd->non_periodic_qh_ptr =
|
|
+ hcd->non_periodic_qh_ptr->next;
|
|
+ }
|
|
+
|
|
+ } while (hcd->non_periodic_qh_ptr != orig_qh_ptr);
|
|
+
|
|
+ if (!hcd->core_if->dma_enable) {
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+ intr_mask.b.nptxfempty = 1;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ tx_status.d32 = dwc_read_reg32(&global_regs->gnptxsts);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " NP Tx Req Queue Space Avail (after queue): %d\n",
|
|
+ tx_status.b.nptxqspcavail);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " NP Tx FIFO Space Avail (after queue): %d\n",
|
|
+ tx_status.b.nptxfspcavail);
|
|
+#endif
|
|
+ if (no_queue_space || no_fifo_space) {
|
|
+ /*
|
|
+ * May need to queue more transactions as the request
|
|
+ * queue or Tx FIFO empties. Enable the non-periodic
|
|
+ * Tx FIFO empty interrupt. (Always use the half-empty
|
|
+ * level to ensure that new requests are loaded as
|
|
+ * soon as possible.)
|
|
+ */
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, 0,
|
|
+ intr_mask.d32);
|
|
+ } else {
|
|
+ /*
|
|
+ * Disable the Tx FIFO empty interrupt since there are
|
|
+ * no more transactions that need to be queued right
|
|
+ * now. This function is called from interrupt
|
|
+ * handlers to queue more transactions as transfer
|
|
+ * states change.
|
|
+ */
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32,
|
|
+ 0);
|
|
+ if (more_to_do) {
|
|
+ /* When not using DMA, many USB
|
|
+ * devices cause excessive loads on
|
|
+ * the serial bus simply because they
|
|
+ * continuously poll the device for
|
|
+ * status. Here we use the timer to
|
|
+ * rate limit how fast we can get the
|
|
+ * the NP TX fifo empty interrupt. We
|
|
+ * leave the interrupt disable until
|
|
+ * the timer fires and reenables it */
|
|
+
|
|
+ /* We'll rate limit the interrupt at
|
|
+ * 20000 per second. Making this
|
|
+ * faster improves USB performance but
|
|
+ * uses more CPU */
|
|
+ hrtimer_start_range_ns(&hcd->poll_rate_limit,
|
|
+ ktime_set(0, 50000),
|
|
+ 5000, HRTIMER_MODE_REL);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Processes periodic channels for the next frame and queues transactions for
|
|
+ * these channels to the DWC_otg controller. After queueing transactions, the
|
|
+ * Periodic Tx FIFO Empty interrupt is enabled if there are more transactions
|
|
+ * to queue as Periodic Tx FIFO or request queue space becomes available.
|
|
+ * Otherwise, the Periodic Tx FIFO Empty interrupt is disabled.
|
|
+ */
|
|
+static void process_periodic_channels(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ union hptxsts_data tx_status;
|
|
+ struct list_head *qh_ptr;
|
|
+ struct dwc_otg_qh *qh;
|
|
+ int status;
|
|
+ int no_queue_space = 0;
|
|
+ int no_fifo_space = 0;
|
|
+
|
|
+ struct dwc_otg_host_global_regs *host_regs;
|
|
+ host_regs = hcd->core_if->host_if->host_global_regs;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "Queue periodic transactions\n");
|
|
+#ifdef DEBUG
|
|
+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " P Tx Req Queue Space Avail (before queue): %d\n",
|
|
+ tx_status.b.ptxqspcavail);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " P Tx FIFO Space Avail (before queue): %d\n",
|
|
+ tx_status.b.ptxfspcavail);
|
|
+#endif
|
|
+
|
|
+ qh_ptr = hcd->periodic_sched_assigned.next;
|
|
+ while (qh_ptr != &hcd->periodic_sched_assigned) {
|
|
+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts);
|
|
+ if (tx_status.b.ptxqspcavail == 0) {
|
|
+ no_queue_space = 1;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ qh = list_entry(qh_ptr, struct dwc_otg_qh, qh_list_entry);
|
|
+
|
|
+ /*
|
|
+ * Set a flag if we're queuing high-bandwidth in slave mode.
|
|
+ * The flag prevents any halts to get into the request queue in
|
|
+ * the middle of multiple high-bandwidth packets getting queued.
|
|
+ */
|
|
+ if ((!hcd->core_if->dma_enable) &&
|
|
+ (qh->channel->multi_count > 1)) {
|
|
+ hcd->core_if->queuing_high_bandwidth = 1;
|
|
+ }
|
|
+
|
|
+ status =
|
|
+ queue_transaction(hcd, qh->channel,
|
|
+ tx_status.b.ptxfspcavail);
|
|
+ if (status < 0) {
|
|
+ no_fifo_space = 1;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * In Slave mode, stay on the current transfer until there is
|
|
+ * nothing more to do or the high-bandwidth request count is
|
|
+ * reached. In DMA mode, only need to queue one request. The
|
|
+ * controller automatically handles multiple packets for
|
|
+ * high-bandwidth transfers.
|
|
+ */
|
|
+ if (hcd->core_if->dma_enable ||
|
|
+ (status == 0 ||
|
|
+ qh->channel->requests == qh->channel->multi_count)) {
|
|
+ qh_ptr = qh_ptr->next;
|
|
+ /*
|
|
+ * Move the QH from the periodic assigned schedule to
|
|
+ * the periodic queued schedule.
|
|
+ */
|
|
+ list_move(&qh->qh_list_entry,
|
|
+ &hcd->periodic_sched_queued);
|
|
+
|
|
+ /* done queuing high bandwidth */
|
|
+ hcd->core_if->queuing_high_bandwidth = 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!hcd->core_if->dma_enable) {
|
|
+ struct dwc_otg_core_global_regs *global_regs;
|
|
+ union gintmsk_data intr_mask = {.d32 = 0 };
|
|
+
|
|
+ global_regs = hcd->core_if->core_global_regs;
|
|
+ intr_mask.b.ptxfempty = 1;
|
|
+#ifdef DEBUG
|
|
+ tx_status.d32 = dwc_read_reg32(&host_regs->hptxsts);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " P Tx Req Queue Space Avail (after queue): %d\n",
|
|
+ tx_status.b.ptxqspcavail);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " P Tx FIFO Space Avail (after queue): %d\n",
|
|
+ tx_status.b.ptxfspcavail);
|
|
+#endif
|
|
+ if (!(list_empty(&hcd->periodic_sched_assigned)) ||
|
|
+ no_queue_space || no_fifo_space) {
|
|
+ /*
|
|
+ * May need to queue more transactions as the request
|
|
+ * queue or Tx FIFO empties. Enable the periodic Tx
|
|
+ * FIFO empty interrupt. (Always use the half-empty
|
|
+ * level to ensure that new requests are loaded as
|
|
+ * soon as possible.)
|
|
+ */
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, 0,
|
|
+ intr_mask.d32);
|
|
+ } else {
|
|
+ /*
|
|
+ * Disable the Tx FIFO empty interrupt since there are
|
|
+ * no more transactions that need to be queued right
|
|
+ * now. This function is called from interrupt
|
|
+ * handlers to queue more transactions as transfer
|
|
+ * states change.
|
|
+ */
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, intr_mask.d32,
|
|
+ 0);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function processes the currently active host channels and queues
|
|
+ * transactions for these channels to the DWC_otg controller. It is called
|
|
+ * from HCD interrupt handler functions.
|
|
+ *
|
|
+ * @hcd: The HCD state structure.
|
|
+ * @_tr_type: The type(s) of transactions to queue (non-periodic,
|
|
+ * periodic, or both).
|
|
+ */
|
|
+void dwc_otg_hcd_queue_transactions(struct dwc_otg_hcd *hcd,
|
|
+ enum dwc_otg_transaction_type _tr_type)
|
|
+{
|
|
+#ifdef DEBUG_SOF
|
|
+ DWC_DEBUGPL(DBG_HCD, "Queue Transactions\n");
|
|
+#endif
|
|
+ /* Process host channels associated with periodic transfers. */
|
|
+ if ((_tr_type == DWC_OTG_TRANSACTION_PERIODIC ||
|
|
+ _tr_type == DWC_OTG_TRANSACTION_ALL) &&
|
|
+ !list_empty(&hcd->periodic_sched_assigned)) {
|
|
+
|
|
+ process_periodic_channels(hcd);
|
|
+ }
|
|
+
|
|
+ /* Process host channels associated with non-periodic transfers. */
|
|
+ if ((_tr_type == DWC_OTG_TRANSACTION_NON_PERIODIC ||
|
|
+ _tr_type == DWC_OTG_TRANSACTION_ALL)) {
|
|
+ if (!list_empty(&hcd->non_periodic_sched_active)) {
|
|
+ process_non_periodic_channels(hcd);
|
|
+ } else {
|
|
+ /*
|
|
+ * Ensure NP Tx FIFO empty interrupt is disabled when
|
|
+ * there are no non-periodic transfers to process.
|
|
+ */
|
|
+ union gintmsk_data gintmsk = {.d32 = 0 };
|
|
+ gintmsk.b.nptxfempty = 1;
|
|
+ dwc_modify_reg32(&hcd->core_if->core_global_regs->
|
|
+ gintmsk, gintmsk.d32, 0);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Sets the final status of an URB and returns it to the device driver. Any
|
|
+ * required cleanup of the URB is performed.
|
|
+ */
|
|
+void dwc_otg_hcd_complete_urb(struct dwc_otg_hcd *hcd, struct urb *urb,
|
|
+ int status)
|
|
+{
|
|
+#ifdef DEBUG
|
|
+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) {
|
|
+ DWC_PRINT("%s: urb %p, device %d, ep %d %s, status=%d\n",
|
|
+ __func__, urb, usb_pipedevice(urb->pipe),
|
|
+ usb_pipeendpoint(urb->pipe),
|
|
+ usb_pipein(urb->pipe) ? "IN" : "OUT", status);
|
|
+ if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
|
|
+ int i;
|
|
+ for (i = 0; i < urb->number_of_packets; i++) {
|
|
+ DWC_PRINT(" ISO Desc %d status: %d\n",
|
|
+ i, urb->iso_frame_desc[i].status);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ urb->status = status;
|
|
+ urb->hcpriv = NULL;
|
|
+
|
|
+ usb_hcd_giveback_urb(dwc_otg_hcd_to_hcd(hcd), urb, status);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Returns the Queue Head for an URB.
|
|
+ */
|
|
+struct dwc_otg_qh *dwc_urb_to_qh(struct urb *urb)
|
|
+{
|
|
+ struct usb_host_endpoint *ep = dwc_urb_to_endpoint(urb);
|
|
+ return ep->hcpriv;
|
|
+}
|
|
+
|
|
+#ifdef DEBUG
|
|
+void dwc_print_setup_data(uint8_t *setup)
|
|
+{
|
|
+ int i;
|
|
+ if (CHK_DEBUG_LEVEL(DBG_HCD)) {
|
|
+ DWC_PRINT("Setup Data = MSB ");
|
|
+ for (i = 7; i >= 0; i--)
|
|
+ DWC_PRINT("%02x ", setup[i]);
|
|
+ DWC_PRINT("\n");
|
|
+ DWC_PRINT(" bmRequestType Tranfer = %s\n",
|
|
+ (setup[0] & 0x80) ? "Device-to-Host" :
|
|
+ "Host-to-Device");
|
|
+ DWC_PRINT(" bmRequestType Type = ");
|
|
+ switch ((setup[0] & 0x60) >> 5) {
|
|
+ case 0:
|
|
+ DWC_PRINT("Standard\n");
|
|
+ break;
|
|
+ case 1:
|
|
+ DWC_PRINT("Class\n");
|
|
+ break;
|
|
+ case 2:
|
|
+ DWC_PRINT("Vendor\n");
|
|
+ break;
|
|
+ case 3:
|
|
+ DWC_PRINT("Reserved\n");
|
|
+ break;
|
|
+ }
|
|
+ DWC_PRINT(" bmRequestType Recipient = ");
|
|
+ switch (setup[0] & 0x1f) {
|
|
+ case 0:
|
|
+ DWC_PRINT("Device\n");
|
|
+ break;
|
|
+ case 1:
|
|
+ DWC_PRINT("Interface\n");
|
|
+ break;
|
|
+ case 2:
|
|
+ DWC_PRINT("Endpoint\n");
|
|
+ break;
|
|
+ case 3:
|
|
+ DWC_PRINT("Other\n");
|
|
+ break;
|
|
+ default:
|
|
+ DWC_PRINT("Reserved\n");
|
|
+ break;
|
|
+ }
|
|
+ DWC_PRINT(" bRequest = 0x%0x\n", setup[1]);
|
|
+ DWC_PRINT(" wValue = 0x%0x\n", *((uint16_t *) &setup[2]));
|
|
+ DWC_PRINT(" wIndex = 0x%0x\n", *((uint16_t *) &setup[4]));
|
|
+ DWC_PRINT(" wLength = 0x%0x\n\n", *((uint16_t *) &setup[6]));
|
|
+ }
|
|
+}
|
|
+#endif
|
|
+
|
|
+void dwc_otg_hcd_dump_frrem(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+#ifdef DEBUG
|
|
+ DWC_PRINT("Frame remaining at SOF:\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->frrem_samples, hcd->frrem_accum,
|
|
+ (hcd->frrem_samples > 0) ?
|
|
+ hcd->frrem_accum / hcd->frrem_samples : 0);
|
|
+
|
|
+ DWC_PRINT("\n");
|
|
+ DWC_PRINT("Frame remaining at start_transfer (uframe 7):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->core_if->hfnum_7_samples,
|
|
+ hcd->core_if->hfnum_7_frrem_accum,
|
|
+ (hcd->core_if->hfnum_7_samples >
|
|
+ 0) ? hcd->core_if->hfnum_7_frrem_accum /
|
|
+ hcd->core_if->hfnum_7_samples : 0);
|
|
+ DWC_PRINT("Frame remaining at start_transfer (uframe 0):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->core_if->hfnum_0_samples,
|
|
+ hcd->core_if->hfnum_0_frrem_accum,
|
|
+ (hcd->core_if->hfnum_0_samples >
|
|
+ 0) ? hcd->core_if->hfnum_0_frrem_accum /
|
|
+ hcd->core_if->hfnum_0_samples : 0);
|
|
+ DWC_PRINT("Frame remaining at start_transfer (uframe 1-6):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->core_if->hfnum_other_samples,
|
|
+ hcd->core_if->hfnum_other_frrem_accum,
|
|
+ (hcd->core_if->hfnum_other_samples >
|
|
+ 0) ? hcd->core_if->hfnum_other_frrem_accum /
|
|
+ hcd->core_if->hfnum_other_samples : 0);
|
|
+
|
|
+ DWC_PRINT("\n");
|
|
+ DWC_PRINT("Frame remaining at sample point A (uframe 7):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->hfnum_7_samples_a, hcd->hfnum_7_frrem_accum_a,
|
|
+ (hcd->hfnum_7_samples_a > 0) ?
|
|
+ hcd->hfnum_7_frrem_accum_a / hcd->hfnum_7_samples_a : 0);
|
|
+ DWC_PRINT("Frame remaining at sample point A (uframe 0):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->hfnum_0_samples_a, hcd->hfnum_0_frrem_accum_a,
|
|
+ (hcd->hfnum_0_samples_a > 0) ?
|
|
+ hcd->hfnum_0_frrem_accum_a / hcd->hfnum_0_samples_a : 0);
|
|
+ DWC_PRINT("Frame remaining at sample point A (uframe 1-6):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->hfnum_other_samples_a, hcd->hfnum_other_frrem_accum_a,
|
|
+ (hcd->hfnum_other_samples_a > 0) ?
|
|
+ hcd->hfnum_other_frrem_accum_a /
|
|
+ hcd->hfnum_other_samples_a : 0);
|
|
+
|
|
+ DWC_PRINT("\n");
|
|
+ DWC_PRINT("Frame remaining at sample point B (uframe 7):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->hfnum_7_samples_b, hcd->hfnum_7_frrem_accum_b,
|
|
+ (hcd->hfnum_7_samples_b > 0) ?
|
|
+ hcd->hfnum_7_frrem_accum_b / hcd->hfnum_7_samples_b : 0);
|
|
+ DWC_PRINT("Frame remaining at sample point B (uframe 0):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->hfnum_0_samples_b, hcd->hfnum_0_frrem_accum_b,
|
|
+ (hcd->hfnum_0_samples_b > 0) ?
|
|
+ hcd->hfnum_0_frrem_accum_b / hcd->hfnum_0_samples_b : 0);
|
|
+ DWC_PRINT("Frame remaining at sample point B (uframe 1-6):\n");
|
|
+ DWC_PRINT(" samples %u, accum %lu, avg %lu\n",
|
|
+ hcd->hfnum_other_samples_b, hcd->hfnum_other_frrem_accum_b,
|
|
+ (hcd->hfnum_other_samples_b > 0) ?
|
|
+ hcd->hfnum_other_frrem_accum_b /
|
|
+ hcd->hfnum_other_samples_b : 0);
|
|
+#endif
|
|
+}
|
|
+
|
|
+void dwc_otg_hcd_dump_state(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+#ifdef DEBUG
|
|
+ int num_channels;
|
|
+ int i;
|
|
+ union gnptxsts_data np_tx_status;
|
|
+ union hptxsts_data p_tx_status;
|
|
+
|
|
+ num_channels = hcd->core_if->core_params->host_channels;
|
|
+ DWC_PRINT("\n");
|
|
+ DWC_PRINT
|
|
+ ("************************************************************\n");
|
|
+ DWC_PRINT("HCD State:\n");
|
|
+ DWC_PRINT(" Num channels: %d\n", num_channels);
|
|
+ for (i = 0; i < num_channels; i++) {
|
|
+ struct dwc_hc *hc = hcd->hc_ptr_array[i];
|
|
+ DWC_PRINT(" Channel %d:\n", i);
|
|
+ DWC_PRINT(" dev_addr: %d, ep_num: %d, ep_is_in: %d\n",
|
|
+ hc->dev_addr, hc->ep_num, hc->ep_is_in);
|
|
+ DWC_PRINT(" speed: %d\n", hc->speed);
|
|
+ DWC_PRINT(" ep_type: %d\n", hc->ep_type);
|
|
+ DWC_PRINT(" max_packet: %d\n", hc->max_packet);
|
|
+ DWC_PRINT(" data_pid_start: %d\n", hc->data_pid_start);
|
|
+ DWC_PRINT(" multi_count: %d\n", hc->multi_count);
|
|
+ DWC_PRINT(" xfer_started: %d\n", hc->xfer_started);
|
|
+ DWC_PRINT(" xfer_buff: %p\n", hc->xfer_buff);
|
|
+ DWC_PRINT(" xfer_len: %d\n", hc->xfer_len);
|
|
+ DWC_PRINT(" xfer_count: %d\n", hc->xfer_count);
|
|
+ DWC_PRINT(" halt_on_queue: %d\n", hc->halt_on_queue);
|
|
+ DWC_PRINT(" halt_pending: %d\n", hc->halt_pending);
|
|
+ DWC_PRINT(" halt_status: %d\n", hc->halt_status);
|
|
+ DWC_PRINT(" do_split: %d\n", hc->do_split);
|
|
+ DWC_PRINT(" complete_split: %d\n", hc->complete_split);
|
|
+ DWC_PRINT(" hub_addr: %d\n", hc->hub_addr);
|
|
+ DWC_PRINT(" port_addr: %d\n", hc->port_addr);
|
|
+ DWC_PRINT(" xact_pos: %d\n", hc->xact_pos);
|
|
+ DWC_PRINT(" requests: %d\n", hc->requests);
|
|
+ DWC_PRINT(" qh: %p\n", hc->qh);
|
|
+ if (hc->xfer_started) {
|
|
+ union hfnum_data hfnum;
|
|
+ union hcchar_data hcchar;
|
|
+ union hctsiz_data hctsiz;
|
|
+ union hcint_data hcint;
|
|
+ union hcintmsk_data hcintmsk;
|
|
+ hfnum.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->
|
|
+ host_global_regs->hfnum);
|
|
+ hcchar.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->
|
|
+ hcchar);
|
|
+ hctsiz.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->
|
|
+ hctsiz);
|
|
+ hcint.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->
|
|
+ hcint);
|
|
+ hcintmsk.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->hc_regs[i]->
|
|
+ hcintmsk);
|
|
+ DWC_PRINT(" hfnum: 0x%08x\n", hfnum.d32);
|
|
+ DWC_PRINT(" hcchar: 0x%08x\n", hcchar.d32);
|
|
+ DWC_PRINT(" hctsiz: 0x%08x\n", hctsiz.d32);
|
|
+ DWC_PRINT(" hcint: 0x%08x\n", hcint.d32);
|
|
+ DWC_PRINT(" hcintmsk: 0x%08x\n", hcintmsk.d32);
|
|
+ }
|
|
+ if (hc->xfer_started && (hc->qh != NULL)
|
|
+ && (hc->qh->qtd_in_process != NULL)) {
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+ struct urb *urb;
|
|
+ qtd = hc->qh->qtd_in_process;
|
|
+ urb = qtd->urb;
|
|
+ DWC_PRINT(" URB Info:\n");
|
|
+ DWC_PRINT(" qtd: %p, urb: %p\n", qtd, urb);
|
|
+ if (urb != NULL) {
|
|
+ DWC_PRINT(" Dev: %d, EP: %d %s\n",
|
|
+ usb_pipedevice(urb->pipe),
|
|
+ usb_pipeendpoint(urb->pipe),
|
|
+ usb_pipein(urb->pipe) ? "IN" : "OUT");
|
|
+ DWC_PRINT(" Max packet size: %d\n",
|
|
+ usb_maxpacket(urb->dev, urb->pipe,
|
|
+ usb_pipeout(urb->
|
|
+ pipe)));
|
|
+ DWC_PRINT(" transfer_buffer: %p\n",
|
|
+ urb->transfer_buffer);
|
|
+ DWC_PRINT(" transfer_dma: %p\n",
|
|
+ (void *)urb->transfer_dma);
|
|
+ DWC_PRINT(" transfer_buffer_length: %d\n",
|
|
+ urb->transfer_buffer_length);
|
|
+ DWC_PRINT(" actual_length: %d\n",
|
|
+ urb->actual_length);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ DWC_PRINT(" non_periodic_channels: %d\n", hcd->non_periodic_channels);
|
|
+ DWC_PRINT(" periodic_channels: %d\n", hcd->periodic_channels);
|
|
+ DWC_PRINT(" periodic_usecs: %d\n", hcd->periodic_usecs);
|
|
+ np_tx_status.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->core_global_regs->gnptxsts);
|
|
+ DWC_PRINT(" NP Tx Req Queue Space Avail: %d\n",
|
|
+ np_tx_status.b.nptxqspcavail);
|
|
+ DWC_PRINT(" NP Tx FIFO Space Avail: %d\n",
|
|
+ np_tx_status.b.nptxfspcavail);
|
|
+ p_tx_status.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->host_global_regs->hptxsts);
|
|
+ DWC_PRINT(" P Tx Req Queue Space Avail: %d\n",
|
|
+ p_tx_status.b.ptxqspcavail);
|
|
+ DWC_PRINT(" P Tx FIFO Space Avail: %d\n", p_tx_status.b.ptxfspcavail);
|
|
+ dwc_otg_hcd_dump_frrem(hcd);
|
|
+ dwc_otg_dump_global_registers(hcd->core_if);
|
|
+ dwc_otg_dump_host_registers(hcd->core_if);
|
|
+ DWC_PRINT
|
|
+ ("************************************************************\n");
|
|
+ DWC_PRINT("\n");
|
|
+#endif
|
|
+}
|
|
+#endif /* DWC_DEVICE_ONLY */
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd.h b/drivers/usb/host/dwc_otg/dwc_otg_hcd.h
|
|
new file mode 100644
|
|
index 0000000..6dcf1f5
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.h
|
|
@@ -0,0 +1,661 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+#if !defined(__DWC_HCD_H__)
|
|
+#define __DWC_HCD_H__
|
|
+
|
|
+#include <linux/list.h>
|
|
+#include <linux/usb.h>
|
|
+#include <linux/hrtimer.h>
|
|
+
|
|
+#include <../drivers/usb/core/hcd.h>
|
|
+
|
|
+struct dwc_otg_device;
|
|
+
|
|
+#include "dwc_otg_cil.h"
|
|
+
|
|
+/**
|
|
+ *
|
|
+ * This file contains the structures, constants, and interfaces for
|
|
+ * the Host Contoller Driver (HCD).
|
|
+ *
|
|
+ * The Host Controller Driver (HCD) is responsible for translating requests
|
|
+ * from the USB Driver into the appropriate actions on the DWC_otg controller.
|
|
+ * It isolates the USBD from the specifics of the controller by providing an
|
|
+ * API to the USBD.
|
|
+ */
|
|
+
|
|
+/**
|
|
+ * Phases for control transfers.
|
|
+ */
|
|
+enum dwc_otg_control_phase {
|
|
+ DWC_OTG_CONTROL_SETUP,
|
|
+ DWC_OTG_CONTROL_DATA,
|
|
+ DWC_OTG_CONTROL_STATUS
|
|
+};
|
|
+
|
|
+/** Transaction types. */
|
|
+enum dwc_otg_transaction_type {
|
|
+ DWC_OTG_TRANSACTION_NONE,
|
|
+ DWC_OTG_TRANSACTION_PERIODIC,
|
|
+ DWC_OTG_TRANSACTION_NON_PERIODIC,
|
|
+ DWC_OTG_TRANSACTION_ALL
|
|
+};
|
|
+
|
|
+struct dwc_otg_qh;
|
|
+
|
|
+/*
|
|
+ * A Queue Transfer Descriptor (QTD) holds the state of a bulk, control,
|
|
+ * interrupt, or isochronous transfer. A single QTD is created for each URB
|
|
+ * (of one of these types) submitted to the HCD. The transfer associated with
|
|
+ * a QTD may require one or multiple transactions.
|
|
+ *
|
|
+ * A QTD is linked to a Queue Head, which is entered in either the
|
|
+ * non-periodic or periodic schedule for execution. When a QTD is chosen for
|
|
+ * execution, some or all of its transactions may be executed. After
|
|
+ * execution, the state of the QTD is updated. The QTD may be retired if all
|
|
+ * its transactions are complete or if an error occurred. Otherwise, it
|
|
+ * remains in the schedule so more transactions can be executed later.
|
|
+ */
|
|
+struct dwc_otg_qtd {
|
|
+ /*
|
|
+ * Determines the PID of the next data packet for the data phase of
|
|
+ * control transfers. Ignored for other transfer types.<br>
|
|
+ * One of the following values:
|
|
+ * - DWC_OTG_HC_PID_DATA0
|
|
+ * - DWC_OTG_HC_PID_DATA1
|
|
+ */
|
|
+ uint8_t data_toggle;
|
|
+
|
|
+ /** Current phase for control transfers (Setup, Data, or Status). */
|
|
+ enum dwc_otg_control_phase control_phase;
|
|
+
|
|
+ /** Keep track of the current split type
|
|
+ * for FS/LS endpoints on a HS Hub */
|
|
+ uint8_t complete_split;
|
|
+
|
|
+ /** How many bytes transferred during SSPLIT OUT */
|
|
+ uint32_t ssplit_out_xfer_count;
|
|
+
|
|
+ /**
|
|
+ * Holds the number of bus errors that have occurred for a transaction
|
|
+ * within this transfer.
|
|
+ */
|
|
+ uint8_t error_count;
|
|
+
|
|
+ /**
|
|
+ * Index of the next frame descriptor for an isochronous transfer. A
|
|
+ * frame descriptor describes the buffer position and length of the
|
|
+ * data to be transferred in the next scheduled (micro)frame of an
|
|
+ * isochronous transfer. It also holds status for that transaction.
|
|
+ * The frame index starts at 0.
|
|
+ */
|
|
+ int isoc_frame_index;
|
|
+
|
|
+ /** Position of the ISOC split on full/low speed */
|
|
+ uint8_t isoc_split_pos;
|
|
+
|
|
+ /** Position of the ISOC split in the buffer for the current frame */
|
|
+ uint16_t isoc_split_offset;
|
|
+
|
|
+ /** URB for this transfer */
|
|
+ struct urb *urb;
|
|
+
|
|
+ /* The queue head for this transfer. */
|
|
+ struct dwc_otg_qh *qh;
|
|
+
|
|
+ /** This list of QTDs */
|
|
+ struct list_head qtd_list_entry;
|
|
+
|
|
+};
|
|
+
|
|
+/**
|
|
+ * A Queue Head (QH) holds the static characteristics of an endpoint and
|
|
+ * maintains a list of transfers (QTDs) for that endpoint. A QH structure may
|
|
+ * be entered in either the non-periodic or periodic schedule.
|
|
+ */
|
|
+struct dwc_otg_qh {
|
|
+ /**
|
|
+ * Endpoint type.
|
|
+ * One of the following values:
|
|
+ * - USB_ENDPOINT_XFER_CONTROL
|
|
+ * - USB_ENDPOINT_XFER_ISOC
|
|
+ * - USB_ENDPOINT_XFER_BULK
|
|
+ * - USB_ENDPOINT_XFER_INT
|
|
+ */
|
|
+ uint8_t ep_type;
|
|
+ uint8_t ep_is_in;
|
|
+
|
|
+ /** wMaxPacketSize Field of Endpoint Descriptor. */
|
|
+ uint16_t maxp;
|
|
+
|
|
+ /**
|
|
+ * Determines the PID of the next data packet for non-control
|
|
+ * transfers. Ignored for control transfers.<br>
|
|
+ * One of the following values:
|
|
+ * - DWC_OTG_HC_PID_DATA0
|
|
+ * - DWC_OTG_HC_PID_DATA1
|
|
+ */
|
|
+ uint8_t data_toggle;
|
|
+
|
|
+ /** Ping state if 1. */
|
|
+ uint8_t ping_state;
|
|
+
|
|
+ /**
|
|
+ * List of QTDs for this QH.
|
|
+ */
|
|
+ struct list_head qtd_list;
|
|
+
|
|
+ /** Host channel currently processing transfers for this QH. */
|
|
+ struct dwc_hc *channel;
|
|
+
|
|
+ /** QTD currently assigned to a host channel for this QH. */
|
|
+ struct dwc_otg_qtd *qtd_in_process;
|
|
+
|
|
+ /** Full/low speed endpoint on high-speed hub requires split. */
|
|
+ uint8_t do_split;
|
|
+
|
|
+ /** @name Periodic schedule information */
|
|
+ /** @{ */
|
|
+
|
|
+ /** Bandwidth in microseconds per (micro)frame. */
|
|
+ uint8_t usecs;
|
|
+
|
|
+ /** Interval between transfers in (micro)frames. */
|
|
+ uint16_t interval;
|
|
+
|
|
+ /**
|
|
+ * (micro)frame to initialize a periodic transfer. The transfer
|
|
+ * executes in the following (micro)frame.
|
|
+ */
|
|
+ uint16_t sched_frame;
|
|
+
|
|
+ /** (micro)frame at which last start split was initialized. */
|
|
+ uint16_t start_split_frame;
|
|
+
|
|
+ /** @} */
|
|
+
|
|
+ /** Entry for QH in either the periodic or non-periodic schedule. */
|
|
+ struct list_head qh_list_entry;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This structure holds the state of the HCD, including the non-periodic and
|
|
+ * periodic schedules.
|
|
+ */
|
|
+struct dwc_otg_hcd {
|
|
+
|
|
+ /** DWC OTG Core Interface Layer */
|
|
+ struct dwc_otg_core_if *core_if;
|
|
+
|
|
+ /** Internal DWC HCD Flags */
|
|
+ union dwc_otg_hcd_internal_flags {
|
|
+ uint32_t d32;
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:26;
|
|
+ unsigned port_over_current_change:1;
|
|
+ unsigned port_suspend_change:1;
|
|
+ unsigned port_enable_change:1;
|
|
+ unsigned port_reset_change:1;
|
|
+ unsigned port_connect_status:1;
|
|
+ unsigned port_connect_status_change:1;
|
|
+#else
|
|
+ unsigned port_connect_status_change:1;
|
|
+ unsigned port_connect_status:1;
|
|
+ unsigned port_reset_change:1;
|
|
+ unsigned port_enable_change:1;
|
|
+ unsigned port_suspend_change:1;
|
|
+ unsigned port_over_current_change:1;
|
|
+ unsigned reserved:26;
|
|
+#endif
|
|
+ } b;
|
|
+ } flags;
|
|
+
|
|
+ /**
|
|
+ * Inactive items in the non-periodic schedule. This is a list of
|
|
+ * Queue Heads. Transfers associated with these Queue Heads are not
|
|
+ * currently assigned to a host channel.
|
|
+ */
|
|
+ struct list_head non_periodic_sched_inactive;
|
|
+
|
|
+ /**
|
|
+ * Active items in the non-periodic schedule. This is a list of
|
|
+ * Queue Heads. Transfers associated with these Queue Heads are
|
|
+ * currently assigned to a host channel.
|
|
+ */
|
|
+ struct list_head non_periodic_sched_active;
|
|
+
|
|
+ /**
|
|
+ * Pointer to the next Queue Head to process in the active
|
|
+ * non-periodic schedule.
|
|
+ */
|
|
+ struct list_head *non_periodic_qh_ptr;
|
|
+
|
|
+ /**
|
|
+ * Inactive items in the periodic schedule. This is a list of QHs for
|
|
+ * periodic transfers that are _not_ scheduled for the next frame.
|
|
+ * Each QH in the list has an interval counter that determines when it
|
|
+ * needs to be scheduled for execution. This scheduling mechanism
|
|
+ * allows only a simple calculation for periodic bandwidth used (i.e.
|
|
+ * must assume that all periodic transfers may need to execute in the
|
|
+ * same frame). However, it greatly simplifies scheduling and should
|
|
+ * be sufficient for the vast majority of OTG hosts, which need to
|
|
+ * connect to a small number of peripherals at one time.
|
|
+ *
|
|
+ * Items move from this list to periodic_sched_ready when the QH
|
|
+ * interval counter is 0 at SOF.
|
|
+ */
|
|
+ struct list_head periodic_sched_inactive;
|
|
+
|
|
+ /**
|
|
+ * List of periodic QHs that are ready for execution in the next
|
|
+ * frame, but have not yet been assigned to host channels.
|
|
+ *
|
|
+ * Items move from this list to periodic_sched_assigned as host
|
|
+ * channels become available during the current frame.
|
|
+ */
|
|
+ struct list_head periodic_sched_ready;
|
|
+
|
|
+ /**
|
|
+ * List of periodic QHs to be executed in the next frame that are
|
|
+ * assigned to host channels.
|
|
+ *
|
|
+ * Items move from this list to periodic_sched_queued as the
|
|
+ * transactions for the QH are queued to the DWC_otg controller.
|
|
+ */
|
|
+ struct list_head periodic_sched_assigned;
|
|
+
|
|
+ /**
|
|
+ * List of periodic QHs that have been queued for execution.
|
|
+ *
|
|
+ * Items move from this list to either periodic_sched_inactive or
|
|
+ * periodic_sched_ready when the channel associated with the transfer
|
|
+ * is released. If the interval for the QH is 1, the item moves to
|
|
+ * periodic_sched_ready because it must be rescheduled for the next
|
|
+ * frame. Otherwise, the item moves to periodic_sched_inactive.
|
|
+ */
|
|
+ struct list_head periodic_sched_queued;
|
|
+
|
|
+ /**
|
|
+ * Total bandwidth claimed so far for periodic transfers. This value
|
|
+ * is in microseconds per (micro)frame. The assumption is that all
|
|
+ * periodic transfers may occur in the same (micro)frame.
|
|
+ */
|
|
+ uint16_t periodic_usecs;
|
|
+
|
|
+ /**
|
|
+ * Frame number read from the core at SOF. The value ranges from 0 to
|
|
+ * DWC_HFNUM_MAX_FRNUM.
|
|
+ */
|
|
+ uint16_t frame_number;
|
|
+
|
|
+ /**
|
|
+ * Free host channels in the controller. This is a list of
|
|
+ * struct dwc_hc items.
|
|
+ */
|
|
+ struct list_head free_hc_list;
|
|
+
|
|
+ /**
|
|
+ * Number of host channels assigned to periodic transfers. Currently
|
|
+ * assuming that there is a dedicated host channel for each periodic
|
|
+ * transaction and at least one host channel available for
|
|
+ * non-periodic transactions.
|
|
+ */
|
|
+ int periodic_channels;
|
|
+
|
|
+ /**
|
|
+ * Number of host channels assigned to non-periodic transfers.
|
|
+ */
|
|
+ int non_periodic_channels;
|
|
+
|
|
+ /**
|
|
+ * Array of pointers to the host channel descriptors. Allows accessing
|
|
+ * a host channel descriptor given the host channel number. This is
|
|
+ * useful in interrupt handlers.
|
|
+ */
|
|
+ struct dwc_hc *hc_ptr_array[MAX_EPS_CHANNELS];
|
|
+
|
|
+ /**
|
|
+ * Buffer to use for any data received during the status phase of a
|
|
+ * control transfer. Normally no data is transferred during the status
|
|
+ * phase. This buffer is used as a bit bucket.
|
|
+ */
|
|
+ uint8_t *status_buf;
|
|
+
|
|
+ /**
|
|
+ * DMA address for status_buf.
|
|
+ */
|
|
+ dma_addr_t status_buf_dma;
|
|
+#define DWC_OTG_HCD_STATUS_BUF_SIZE 64
|
|
+
|
|
+ /**
|
|
+ * Structure to allow starting the HCD in a non-interrupt context
|
|
+ * during an OTG role change.
|
|
+ */
|
|
+ struct work_struct start_work;
|
|
+
|
|
+ /**
|
|
+ * Connection timer. An OTG host must display a message if the device
|
|
+ * does not connect. Started when the VBus power is turned on via
|
|
+ * sysfs attribute "buspower".
|
|
+ */
|
|
+ struct timer_list conn_timer;
|
|
+
|
|
+ /* Tasket to do a reset */
|
|
+ struct tasklet_struct *reset_tasklet;
|
|
+
|
|
+ struct hrtimer poll_rate_limit;
|
|
+
|
|
+ spinlock_t global_lock;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ uint32_t frrem_samples;
|
|
+ uint64_t frrem_accum;
|
|
+
|
|
+ uint32_t hfnum_7_samples_a;
|
|
+ uint64_t hfnum_7_frrem_accum_a;
|
|
+ uint32_t hfnum_0_samples_a;
|
|
+ uint64_t hfnum_0_frrem_accum_a;
|
|
+ uint32_t hfnum_other_samples_a;
|
|
+ uint64_t hfnum_other_frrem_accum_a;
|
|
+
|
|
+ uint32_t hfnum_7_samples_b;
|
|
+ uint64_t hfnum_7_frrem_accum_b;
|
|
+ uint32_t hfnum_0_samples_b;
|
|
+ uint64_t hfnum_0_frrem_accum_b;
|
|
+ uint32_t hfnum_other_samples_b;
|
|
+ uint64_t hfnum_other_frrem_accum_b;
|
|
+#endif
|
|
+
|
|
+};
|
|
+
|
|
+/** Gets the dwc_otg_hcd from a struct usb_hcd */
|
|
+static inline struct dwc_otg_hcd *hcd_to_dwc_otg_hcd(struct usb_hcd *hcd)
|
|
+{
|
|
+ return (struct dwc_otg_hcd *)(hcd->hcd_priv);
|
|
+}
|
|
+
|
|
+/** Gets the struct usb_hcd that contains a struct dwc_otg_hcd. */
|
|
+static inline struct usb_hcd *dwc_otg_hcd_to_hcd(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd)
|
|
+{
|
|
+ return container_of((void *)dwc_otg_hcd, struct usb_hcd, hcd_priv);
|
|
+}
|
|
+
|
|
+/** @name HCD Create/Destroy Functions */
|
|
+/** @{ */
|
|
+extern int __init dwc_otg_hcd_init(struct device *_dev);
|
|
+extern void dwc_otg_hcd_remove(struct device *_dev);
|
|
+/** @} */
|
|
+
|
|
+/** @name Linux HC Driver API Functions */
|
|
+
|
|
+extern int dwc_otg_hcd_start(struct usb_hcd *hcd);
|
|
+extern void dwc_otg_hcd_stop(struct usb_hcd *hcd);
|
|
+extern int dwc_otg_hcd_get_frame_number(struct usb_hcd *hcd);
|
|
+extern void dwc_otg_hcd_free(struct usb_hcd *hcd);
|
|
+extern int dwc_otg_hcd_urb_enqueue(struct usb_hcd *hcd,
|
|
+ struct urb *urb, unsigned mem_flags);
|
|
+extern int dwc_otg_hcd_urb_dequeue(struct usb_hcd *hcd,
|
|
+ struct urb *urb, int status);
|
|
+extern void dwc_otg_hcd_endpoint_disable(struct usb_hcd *hcd,
|
|
+ struct usb_host_endpoint *ep);
|
|
+extern irqreturn_t dwc_otg_hcd_irq(struct usb_hcd *hcd);
|
|
+extern int dwc_otg_hcd_hub_status_data(struct usb_hcd *hcd, char *buf);
|
|
+extern int dwc_otg_hcd_hub_control(struct usb_hcd *hcd,
|
|
+ u16 typeReq,
|
|
+ u16 wValue,
|
|
+ u16 wIndex, char *buf, u16 wLength);
|
|
+
|
|
+
|
|
+/** @name Transaction Execution Functions */
|
|
+extern enum dwc_otg_transaction_type dwc_otg_hcd_select_transactions(struct
|
|
+ dwc_otg_hcd
|
|
+ *hcd);
|
|
+extern void dwc_otg_hcd_queue_transactions(struct dwc_otg_hcd *hcd,
|
|
+ enum dwc_otg_transaction_type tr_type);
|
|
+extern void dwc_otg_hcd_complete_urb(struct dwc_otg_hcd *hcd, struct urb *urb,
|
|
+ int status);
|
|
+
|
|
+/** @name Interrupt Handler Functions */
|
|
+extern int32_t dwc_otg_hcd_handle_intr(struct dwc_otg_hcd *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_sof_intr(struct dwc_otg_hcd *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_rx_status_q_level_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_np_tx_fifo_empty_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_perio_tx_fifo_empty_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_incomplete_periodic_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_port_intr(struct dwc_otg_hcd *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_conn_id_status_change_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_disconnect_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_hc_intr(struct dwc_otg_hcd *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_hc_n_intr(struct dwc_otg_hcd *dwc_otg_hcd,
|
|
+ uint32_t num);
|
|
+extern int32_t dwc_otg_hcd_handle_session_req_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+extern int32_t dwc_otg_hcd_handle_wakeup_detected_intr(struct dwc_otg_hcd
|
|
+ *dwc_otg_hcd);
|
|
+
|
|
+/** @name Schedule Queue Functions */
|
|
+
|
|
+/* Implemented in dwc_otg_hcd_queue.c */
|
|
+extern struct dwc_otg_qh *dwc_otg_hcd_qh_create(struct dwc_otg_hcd *hcd,
|
|
+ struct urb *urb);
|
|
+extern void dwc_otg_hcd_qh_init(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh,
|
|
+ struct urb *urb);
|
|
+extern void dwc_otg_hcd_qh_free(struct dwc_otg_qh *qh);
|
|
+extern int dwc_otg_hcd_qh_add(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh);
|
|
+extern void dwc_otg_hcd_qh_remove(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh);
|
|
+extern void dwc_otg_hcd_qh_deactivate(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_otg_qh *qh, int sched_csplit);
|
|
+
|
|
+/** Remove and free a QH */
|
|
+static inline void dwc_otg_hcd_qh_remove_and_free(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_otg_qh *qh)
|
|
+{
|
|
+ dwc_otg_hcd_qh_remove(hcd, qh);
|
|
+ dwc_otg_hcd_qh_free(qh);
|
|
+}
|
|
+
|
|
+/** Allocates memory for a QH structure.
|
|
+ * Returns Returns the memory allocate or NULL on error. */
|
|
+static inline struct dwc_otg_qh *dwc_otg_hcd_qh_alloc(void)
|
|
+{
|
|
+ return kmalloc(sizeof(struct dwc_otg_qh), GFP_ATOMIC);
|
|
+}
|
|
+
|
|
+extern struct dwc_otg_qtd *dwc_otg_hcd_qtd_create(struct urb *urb);
|
|
+extern void dwc_otg_hcd_qtd_init(struct dwc_otg_qtd *qtd, struct urb *urb);
|
|
+extern int dwc_otg_hcd_qtd_add(struct dwc_otg_qtd *qtd,
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd);
|
|
+
|
|
+/** Allocates memory for a QTD structure.
|
|
+ * Returns Returns the memory allocate or NULL on error. */
|
|
+static inline struct dwc_otg_qtd *dwc_otg_hcd_qtd_alloc(void)
|
|
+{
|
|
+ return kmalloc(sizeof(struct dwc_otg_qtd), GFP_ATOMIC);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Frees the memory for a QTD structure. QTD should already be removed from
|
|
+ * list.
|
|
+ * @qtd: QTD to free.
|
|
+ */
|
|
+static inline void dwc_otg_hcd_qtd_free(struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ kfree(qtd);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Removes a QTD from list.
|
|
+ * @qtd: QTD to remove from list.
|
|
+ */
|
|
+static inline void dwc_otg_hcd_qtd_remove(struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ list_del(&qtd->qtd_list_entry);
|
|
+}
|
|
+
|
|
+/** Remove and free a QTD */
|
|
+static inline void dwc_otg_hcd_qtd_remove_and_free(struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ dwc_otg_hcd_qtd_remove(qtd);
|
|
+ dwc_otg_hcd_qtd_free(qtd);
|
|
+}
|
|
+
|
|
+/** @name Internal Functions */
|
|
+struct dwc_otg_qh *dwc_urb_to_qh(struct urb *urb);
|
|
+void dwc_otg_hcd_dump_frrem(struct dwc_otg_hcd *hcd);
|
|
+void dwc_otg_hcd_dump_state(struct dwc_otg_hcd *hcd);
|
|
+
|
|
+/** Gets the usb_host_endpoint associated with an URB. */
|
|
+static inline struct usb_host_endpoint *dwc_urb_to_endpoint(struct urb *urb)
|
|
+{
|
|
+ struct usb_device *dev = urb->dev;
|
|
+ int ep_num = usb_pipeendpoint(urb->pipe);
|
|
+
|
|
+ if (usb_pipein(urb->pipe))
|
|
+ return dev->ep_in[ep_num];
|
|
+ else
|
|
+ return dev->ep_out[ep_num];
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Gets the endpoint number from a bEndpointAddress argument. The endpoint is
|
|
+ * qualified with its direction (possible 32 endpoints per device).
|
|
+ */
|
|
+#define dwc_ep_addr_to_endpoint(_bEndpointAddress_) \
|
|
+ ((_bEndpointAddress_ & USB_ENDPOINT_NUMBER_MASK) | \
|
|
+ ((_bEndpointAddress_ & USB_DIR_IN) != 0) << 4)
|
|
+
|
|
+/** Gets the QH that contains the list_head */
|
|
+#define dwc_list_to_qh(_list_head_ptr_) \
|
|
+ (container_of(_list_head_ptr_, struct dwc_otg_qh, qh_list_entry))
|
|
+
|
|
+/** Gets the QTD that contains the list_head */
|
|
+#define dwc_list_to_qtd(_list_head_ptr_) \
|
|
+ (container_of(_list_head_ptr_, struct dwc_otg_qtd, qtd_list_entry))
|
|
+
|
|
+/** Check if QH is non-periodic */
|
|
+#define dwc_qh_is_non_per(_qh_ptr_) \
|
|
+ ((_qh_ptr_->ep_type == USB_ENDPOINT_XFER_BULK) || \
|
|
+ (_qh_ptr_->ep_type == USB_ENDPOINT_XFER_CONTROL))
|
|
+
|
|
+/** High bandwidth multiplier as encoded in highspeed endpoint descriptors */
|
|
+#define dwc_hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03))
|
|
+
|
|
+/** Packet size for any kind of endpoint descriptor */
|
|
+#define dwc_max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff)
|
|
+
|
|
+/**
|
|
+ * Returns true if frame1 is less than or equal to frame2. The comparison is
|
|
+ * done modulo DWC_HFNUM_MAX_FRNUM. This accounts for the rollover of the
|
|
+ * frame number when the max frame number is reached.
|
|
+ */
|
|
+static inline int dwc_frame_num_le(uint16_t frame1, uint16_t frame2)
|
|
+{
|
|
+ return ((frame2 - frame1) & DWC_HFNUM_MAX_FRNUM) <=
|
|
+ (DWC_HFNUM_MAX_FRNUM >> 1);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Returns true if frame1 is greater than frame2. The comparison is done
|
|
+ * modulo DWC_HFNUM_MAX_FRNUM. This accounts for the rollover of the frame
|
|
+ * number when the max frame number is reached.
|
|
+ */
|
|
+static inline int dwc_frame_num_gt(uint16_t frame1, uint16_t frame2)
|
|
+{
|
|
+ return (frame1 != frame2) &&
|
|
+ (((frame1 - frame2) & DWC_HFNUM_MAX_FRNUM) <
|
|
+ (DWC_HFNUM_MAX_FRNUM >> 1));
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Increments frame by the amount specified by inc. The addition is done
|
|
+ * modulo DWC_HFNUM_MAX_FRNUM. Returns the incremented value.
|
|
+ */
|
|
+static inline uint16_t dwc_frame_num_inc(uint16_t frame, uint16_t inc)
|
|
+{
|
|
+ return (frame + inc) & DWC_HFNUM_MAX_FRNUM;
|
|
+}
|
|
+
|
|
+static inline uint16_t dwc_full_frame_num(uint16_t frame)
|
|
+{
|
|
+ return (frame & DWC_HFNUM_MAX_FRNUM) >> 3;
|
|
+}
|
|
+
|
|
+static inline uint16_t dwc_micro_frame_num(uint16_t frame)
|
|
+{
|
|
+ return frame & 0x7;
|
|
+}
|
|
+
|
|
+#ifdef DEBUG
|
|
+/**
|
|
+ * Macro to sample the remaining PHY clocks left in the current frame. This
|
|
+ * may be used during debugging to determine the average time it takes to
|
|
+ * execute sections of code. There are two possible sample points, "a" and
|
|
+ * "b", so the letter argument must be one of these values.
|
|
+ *
|
|
+ * To dump the average sample times, read the "hcd_frrem" sysfs attribute. For
|
|
+ * example, "cat /sys/devices/lm0/hcd_frrem".
|
|
+ */
|
|
+#define dwc_sample_frrem(_hcd, _qh, _letter) \
|
|
+{ \
|
|
+ union hfnum_data hfnum; \
|
|
+ struct dwc_otg_qtd *qtd; \
|
|
+ qtd = list_entry(_qh->qtd_list.next, struct dwc_otg_qtd, qtd_list_entry); \
|
|
+ if (usb_pipeint(qtd->urb->pipe) && qh->start_split_frame != 0 && !qtd->complete_split) { \
|
|
+ hfnum.d32 = dwc_read_reg32(&_hcd->core_if->host_if->host_global_regs->hfnum); \
|
|
+ switch (hfnum.b.frnum & 0x7) { \
|
|
+ case 7: \
|
|
+ _hcd->hfnum_7_samples_##_letter++; \
|
|
+ _hcd->hfnum_7_frrem_accum_##_letter += hfnum.b.frrem; \
|
|
+ break; \
|
|
+ case 0: \
|
|
+ _hcd->hfnum_0_samples_##_letter++; \
|
|
+ _hcd->hfnum_0_frrem_accum_##_letter += hfnum.b.frrem; \
|
|
+ break; \
|
|
+ default: \
|
|
+ _hcd->hfnum_other_samples_##_letter++; \
|
|
+ _hcd->hfnum_other_frrem_accum_##_letter += \
|
|
+ hfnum.b.frrem; \
|
|
+ break; \
|
|
+ } \
|
|
+ } \
|
|
+}
|
|
+#else
|
|
+#define dwc_sample_frrem(hcd, qh, letter)
|
|
+#endif
|
|
+#endif
|
|
+#endif /* DWC_DEVICE_ONLY */
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
|
|
new file mode 100644
|
|
index 0000000..2c4266f
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
|
|
@@ -0,0 +1,1890 @@
|
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+/* ==========================================================================
|
|
+ *
|
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+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
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+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
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+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
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+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
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+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
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+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+
|
|
+#include "dwc_otg_driver.h"
|
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+#include "dwc_otg_hcd.h"
|
|
+#include "dwc_otg_regs.h"
|
|
+
|
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+/*
|
|
+ * This file contains the implementation of the HCD Interrupt handlers.
|
|
+ */
|
|
+
|
|
+/* This function handles interrupts for the HCD. */
|
|
+int32_t dwc_otg_hcd_handle_intr(struct dwc_otg_hcd *dwc_otg_hcd)
|
|
+{
|
|
+ int retval = 0;
|
|
+
|
|
+ struct dwc_otg_core_if *core_if = dwc_otg_hcd->core_if;
|
|
+ union gintsts_data gintsts;
|
|
+#ifdef DEBUG
|
|
+ struct dwc_otg_core_global_regs *global_regs =
|
|
+ core_if->core_global_regs;
|
|
+#endif
|
|
+
|
|
+ /* Check if HOST Mode */
|
|
+ if (dwc_otg_is_host_mode(core_if)) {
|
|
+ gintsts.d32 = dwc_otg_read_core_intr(core_if);
|
|
+ if (!gintsts.d32)
|
|
+ return 0;
|
|
+#ifdef DEBUG
|
|
+ /* Don't print debug message in the interrupt handler on SOF */
|
|
+# ifndef DEBUG_SOF
|
|
+ if (gintsts.d32 != DWC_SOF_INTR_MASK)
|
|
+# endif
|
|
+ DWC_DEBUGPL(DBG_HCD, "\n");
|
|
+#endif
|
|
+
|
|
+#ifdef DEBUG
|
|
+# ifndef DEBUG_SOF
|
|
+ if (gintsts.d32 != DWC_SOF_INTR_MASK)
|
|
+# endif
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD Interrupt Detected "
|
|
+ "gintsts&gintmsk=0x%08x\n",
|
|
+ gintsts.d32);
|
|
+#endif
|
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+
|
|
+ if (gintsts.b.sofintr)
|
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+ retval |= dwc_otg_hcd_handle_sof_intr(dwc_otg_hcd);
|
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+
|
|
+ if (gintsts.b.rxstsqlvl)
|
|
+ retval |=
|
|
+ dwc_otg_hcd_handle_rx_status_q_level_intr(dwc_otg_hcd);
|
|
+
|
|
+ if (gintsts.b.nptxfempty)
|
|
+ retval |=
|
|
+ dwc_otg_hcd_handle_np_tx_fifo_empty_intr(dwc_otg_hcd);
|
|
+
|
|
+ if (gintsts.b.i2cintr)
|
|
+ ;/** @todo Implement i2cintr handler. */
|
|
+
|
|
+ if (gintsts.b.portintr)
|
|
+ retval |= dwc_otg_hcd_handle_port_intr(dwc_otg_hcd);
|
|
+
|
|
+ if (gintsts.b.hcintr)
|
|
+ retval |= dwc_otg_hcd_handle_hc_intr(dwc_otg_hcd);
|
|
+
|
|
+ if (gintsts.b.ptxfempty) {
|
|
+ retval |=
|
|
+ dwc_otg_hcd_handle_perio_tx_fifo_empty_intr
|
|
+ (dwc_otg_hcd);
|
|
+ }
|
|
+#ifdef DEBUG
|
|
+# ifndef DEBUG_SOF
|
|
+ if (gintsts.d32 != DWC_SOF_INTR_MASK)
|
|
+# endif
|
|
+ {
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "DWC OTG HCD Finished Servicing Interrupts\n");
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD gintsts=0x%08x\n",
|
|
+ dwc_read_reg32(&global_regs->gintsts));
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD gintmsk=0x%08x\n",
|
|
+ dwc_read_reg32(&global_regs->gintmsk));
|
|
+ }
|
|
+#endif
|
|
+
|
|
+#ifdef DEBUG
|
|
+# ifndef DEBUG_SOF
|
|
+ if (gintsts.d32 != DWC_SOF_INTR_MASK)
|
|
+# endif
|
|
+ DWC_DEBUGPL(DBG_HCD, "\n");
|
|
+#endif
|
|
+
|
|
+ }
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+#ifdef DWC_TRACK_MISSED_SOFS
|
|
+#warning Compiling code to track missed SOFs
|
|
+#define FRAME_NUM_ARRAY_SIZE 1000
|
|
+/**
|
|
+ * This function is for debug only.
|
|
+ */
|
|
+static inline void track_missed_sofs(uint16_t _curr_frame_number)
|
|
+{
|
|
+ static uint16_t frame_num_array[FRAME_NUM_ARRAY_SIZE];
|
|
+ static uint16_t last_frame_num_array[FRAME_NUM_ARRAY_SIZE];
|
|
+ static int frame_num_idx;
|
|
+ static uint16_t last_frame_num = DWC_HFNUM_MAX_FRNUM;
|
|
+ static int dumped_frame_num_array;
|
|
+
|
|
+ if (frame_num_idx < FRAME_NUM_ARRAY_SIZE) {
|
|
+ if ((((last_frame_num + 1) & DWC_HFNUM_MAX_FRNUM) !=
|
|
+ _curr_frame_number)) {
|
|
+ frame_num_array[frame_num_idx] = _curr_frame_number;
|
|
+ last_frame_num_array[frame_num_idx++] = last_frame_num;
|
|
+ }
|
|
+ } else if (!dumped_frame_num_array) {
|
|
+ int i;
|
|
+ printk(KERN_EMERG USB_DWC "Frame Last Frame\n");
|
|
+ printk(KERN_EMERG USB_DWC "----- ----------\n");
|
|
+ for (i = 0; i < FRAME_NUM_ARRAY_SIZE; i++) {
|
|
+ printk(KERN_EMERG USB_DWC "0x%04x 0x%04x\n",
|
|
+ frame_num_array[i], last_frame_num_array[i]);
|
|
+ }
|
|
+ dumped_frame_num_array = 1;
|
|
+ }
|
|
+ last_frame_num = _curr_frame_number;
|
|
+}
|
|
+#endif
|
|
+
|
|
+/**
|
|
+ * Handles the start-of-frame interrupt in host mode. Non-periodic
|
|
+ * transactions may be queued to the DWC_otg controller for the current
|
|
+ * (micro)frame. Periodic transactions may be queued to the controller for the
|
|
+ * next (micro)frame.
|
|
+ */
|
|
+int32_t dwc_otg_hcd_handle_sof_intr(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ union hfnum_data hfnum;
|
|
+ struct list_head *qh_entry;
|
|
+ struct dwc_otg_qh *qh;
|
|
+ enum dwc_otg_transaction_type tr_type;
|
|
+ union gintsts_data gintsts = {.d32 = 0 };
|
|
+
|
|
+ hfnum.d32 =
|
|
+ dwc_read_reg32(&hcd->core_if->host_if->host_global_regs->hfnum);
|
|
+
|
|
+#ifdef DEBUG_SOF
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Start of Frame Interrupt--\n");
|
|
+#endif
|
|
+
|
|
+ hcd->frame_number = hfnum.b.frnum;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ hcd->frrem_accum += hfnum.b.frrem;
|
|
+ hcd->frrem_samples++;
|
|
+#endif
|
|
+
|
|
+#ifdef DWC_TRACK_MISSED_SOFS
|
|
+ track_missed_sofs(hcd->frame_number);
|
|
+#endif
|
|
+
|
|
+ /* Determine whether any periodic QHs should be executed. */
|
|
+ qh_entry = hcd->periodic_sched_inactive.next;
|
|
+ while (qh_entry != &hcd->periodic_sched_inactive) {
|
|
+ qh = list_entry(qh_entry, struct dwc_otg_qh, qh_list_entry);
|
|
+ qh_entry = qh_entry->next;
|
|
+ if (dwc_frame_num_le(qh->sched_frame, hcd->frame_number)) {
|
|
+ /*
|
|
+ * Move QH to the ready list to be executed next
|
|
+ * (micro)frame.
|
|
+ */
|
|
+ list_move(&qh->qh_list_entry,
|
|
+ &hcd->periodic_sched_ready);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ tr_type = dwc_otg_hcd_select_transactions(hcd);
|
|
+ if (tr_type != DWC_OTG_TRANSACTION_NONE) {
|
|
+ dwc_otg_hcd_queue_transactions(hcd, tr_type);
|
|
+ } else if (list_empty(&hcd->periodic_sched_inactive) &&
|
|
+ list_empty(&hcd->periodic_sched_ready) &&
|
|
+ list_empty(&hcd->periodic_sched_assigned) &&
|
|
+ list_empty(&hcd->periodic_sched_queued)) {
|
|
+ /*
|
|
+ * We don't have USB data to send. Unfortunately the
|
|
+ * Synopsis block continues to generate interrupts at
|
|
+ * about 8k/sec. In order not waste time on these
|
|
+ * useless interrupts, we're going to disable the SOF
|
|
+ * interrupt. It will be re-enabled when a new packet
|
|
+ * is enqueued in dwc_otg_hcd_urb_enqueue()
|
|
+ */
|
|
+ dwc_modify_reg32(&hcd->core_if->core_global_regs->gintmsk,
|
|
+ DWC_SOF_INTR_MASK, 0);
|
|
+ }
|
|
+
|
|
+ /* Clear interrupt */
|
|
+ gintsts.b.sofintr = 1;
|
|
+ dwc_write_reg32(&hcd->core_if->core_global_regs->gintsts, gintsts.d32);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/* Handles the Rx Status Queue Level Interrupt, which indicates that
|
|
+ * there is at least one packet in the Rx FIFO. The packets are moved
|
|
+ * from the FIFO to memory if the DWC_otg controller is operating in
|
|
+ * Slave mode. */
|
|
+int32_t
|
|
+dwc_otg_hcd_handle_rx_status_q_level_intr(struct dwc_otg_hcd *dwc_otg_hcd)
|
|
+{
|
|
+ union host_grxsts_data grxsts;
|
|
+ struct dwc_hc *hc = NULL;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "--RxStsQ Level Interrupt--\n");
|
|
+
|
|
+ grxsts.d32 =
|
|
+ dwc_read_reg32(&dwc_otg_hcd->core_if->core_global_regs->grxstsp);
|
|
+
|
|
+ hc = dwc_otg_hcd->hc_ptr_array[grxsts.b.chnum];
|
|
+
|
|
+ /* Packet Status */
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Ch num = %d\n", grxsts.b.chnum);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Count = %d\n", grxsts.b.bcnt);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " DPID = %d, hc.dpid = %d\n", grxsts.b.dpid,
|
|
+ hc->data_pid_start);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " PStatus = %d\n", grxsts.b.pktsts);
|
|
+
|
|
+ switch (grxsts.b.pktsts) {
|
|
+ case DWC_GRXSTS_PKTSTS_IN:
|
|
+ /* Read the data into the host buffer. */
|
|
+ if (grxsts.b.bcnt > 0) {
|
|
+ dwc_otg_read_packet(dwc_otg_hcd->core_if,
|
|
+ hc->xfer_buff, grxsts.b.bcnt);
|
|
+
|
|
+ /* Update the HC fields for the next packet received. */
|
|
+ hc->xfer_count += grxsts.b.bcnt;
|
|
+ hc->xfer_buff += grxsts.b.bcnt;
|
|
+ }
|
|
+
|
|
+ case DWC_GRXSTS_PKTSTS_IN_XFER_COMP:
|
|
+ case DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR:
|
|
+ case DWC_GRXSTS_PKTSTS_CH_HALTED:
|
|
+ /* Handled in interrupt, just ignore data */
|
|
+ break;
|
|
+ default:
|
|
+ DWC_ERROR("RX_STS_Q Interrupt: Unknown status %d\n",
|
|
+ grxsts.b.pktsts);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/* This interrupt occurs when the non-periodic Tx FIFO is
|
|
+ * half-empty. More data packets may be written to the FIFO for OUT
|
|
+ * transfers. More requests may be written to the non-periodic request
|
|
+ * queue for IN transfers. This interrupt is enabled only in Slave
|
|
+ * mode. */
|
|
+int32_t dwc_otg_hcd_handle_np_tx_fifo_empty_intr(struct dwc_otg_hcd *
|
|
+ dwc_otg_hcd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Non-Periodic TxFIFO Empty Interrupt--\n");
|
|
+ dwc_otg_hcd_queue_transactions(dwc_otg_hcd,
|
|
+ DWC_OTG_TRANSACTION_NON_PERIODIC);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/* This interrupt occurs when the periodic Tx FIFO is half-empty. More
|
|
+ * data packets may be written to the FIFO for OUT transfers. More
|
|
+ * requests may be written to the periodic request queue for IN
|
|
+ * transfers. This interrupt is enabled only in Slave mode. */
|
|
+int32_t dwc_otg_hcd_handle_perio_tx_fifo_empty_intr(struct dwc_otg_hcd *
|
|
+ dwc_otg_hcd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Periodic TxFIFO Empty Interrupt--\n");
|
|
+ dwc_otg_hcd_queue_transactions(dwc_otg_hcd,
|
|
+ DWC_OTG_TRANSACTION_PERIODIC);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/* There are multiple conditions that can cause a port interrupt. This
|
|
+ * function determines which interrupt conditions have occurred and
|
|
+ * handles them appropriately. */
|
|
+int32_t dwc_otg_hcd_handle_port_intr(struct dwc_otg_hcd *dwc_otg_hcd)
|
|
+{
|
|
+ int retval = 0;
|
|
+ union hprt0_data hprt0;
|
|
+ union hprt0_data hprt0_modify;
|
|
+
|
|
+ hprt0.d32 = dwc_read_reg32(dwc_otg_hcd->core_if->host_if->hprt0);
|
|
+ hprt0_modify.d32 =
|
|
+ dwc_read_reg32(dwc_otg_hcd->core_if->host_if->hprt0);
|
|
+
|
|
+ /* Clear appropriate bits in HPRT0 to clear the interrupt bit in
|
|
+ * GINTSTS */
|
|
+
|
|
+ hprt0_modify.b.prtena = 0;
|
|
+ hprt0_modify.b.prtconndet = 0;
|
|
+ hprt0_modify.b.prtenchng = 0;
|
|
+ hprt0_modify.b.prtovrcurrchng = 0;
|
|
+
|
|
+ /* Port Connect Detected
|
|
+ * Set flag and clear if detected */
|
|
+ if (hprt0.b.prtconndet) {
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Port Interrupt HPRT0=0x%08x "
|
|
+ "Port Connect Detected--\n", hprt0.d32);
|
|
+ dwc_otg_hcd->flags.b.port_connect_status_change = 1;
|
|
+ dwc_otg_hcd->flags.b.port_connect_status = 1;
|
|
+ hprt0_modify.b.prtconndet = 1;
|
|
+
|
|
+ /* B-Device has connected, Delete the connection timer. */
|
|
+ del_timer(&dwc_otg_hcd->conn_timer);
|
|
+
|
|
+ /* The Hub driver asserts a reset when it sees port connect
|
|
+ * status change flag */
|
|
+ retval |= 1;
|
|
+ }
|
|
+
|
|
+ /* Port Enable Changed
|
|
+ * Clear if detected - Set internal flag if disabled */
|
|
+ if (hprt0.b.prtenchng) {
|
|
+ DWC_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x "
|
|
+ "Port Enable Changed--\n", hprt0.d32);
|
|
+ hprt0_modify.b.prtenchng = 1;
|
|
+ if (hprt0.b.prtena == 1) {
|
|
+ int do_reset = 0;
|
|
+ struct dwc_otg_core_params *params =
|
|
+ dwc_otg_hcd->core_if->core_params;
|
|
+ struct dwc_otg_core_global_regs *global_regs =
|
|
+ dwc_otg_hcd->core_if->core_global_regs;
|
|
+ struct dwc_otg_host_if *host_if =
|
|
+ dwc_otg_hcd->core_if->host_if;
|
|
+
|
|
+ /* Check if we need to adjust the PHY clock speed for
|
|
+ * low power and adjust it */
|
|
+ if (params->host_support_fs_ls_low_power) {
|
|
+ union gusbcfg_data usbcfg;
|
|
+
|
|
+ usbcfg.d32 =
|
|
+ dwc_read_reg32(&global_regs->gusbcfg);
|
|
+
|
|
+ if ((hprt0.b.prtspd == DWC_HPRT0_PRTSPD_LOW_SPEED)
|
|
+ || (hprt0.b.prtspd == DWC_HPRT0_PRTSPD_FULL_SPEED)) {
|
|
+ /*
|
|
+ * Low power
|
|
+ */
|
|
+ union hcfg_data hcfg;
|
|
+ if (usbcfg.b.phylpwrclksel == 0) {
|
|
+ /* Set PHY low power clock select for FS/LS devices */
|
|
+ usbcfg.b.phylpwrclksel = 1;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg,
|
|
+ usbcfg.d32);
|
|
+ do_reset = 1;
|
|
+ }
|
|
+
|
|
+ hcfg.d32 =
|
|
+ dwc_read_reg32(&host_if->host_global_regs->hcfg);
|
|
+
|
|
+ if ((hprt0.b.prtspd ==
|
|
+ DWC_HPRT0_PRTSPD_LOW_SPEED)
|
|
+ && (params->
|
|
+ host_ls_low_power_phy_clk ==
|
|
+ DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ)) {
|
|
+ /* 6 MHZ */
|
|
+ DWC_DEBUGPL(DBG_CIL,
|
|
+ "FS_PHY programming HCFG to 6 MHz (Low Power)\n");
|
|
+ if (hcfg.b.fslspclksel !=
|
|
+ DWC_HCFG_6_MHZ) {
|
|
+ hcfg.b.fslspclksel =
|
|
+ DWC_HCFG_6_MHZ;
|
|
+ dwc_write_reg32(&host_if->host_global_regs->hcfg,
|
|
+ hcfg.d32);
|
|
+ do_reset = 1;
|
|
+ }
|
|
+ } else {
|
|
+ /* 48 MHZ */
|
|
+ DWC_DEBUGPL(DBG_CIL,
|
|
+ "FS_PHY programming HCFG to 48 MHz ()\n");
|
|
+ if (hcfg.b.fslspclksel !=
|
|
+ DWC_HCFG_48_MHZ) {
|
|
+ hcfg.b.fslspclksel = DWC_HCFG_48_MHZ;
|
|
+ dwc_write_reg32(&host_if->host_global_regs->hcfg,
|
|
+ hcfg.d32);
|
|
+ do_reset = 1;
|
|
+ }
|
|
+ }
|
|
+ } else {
|
|
+ /*
|
|
+ * Not low power
|
|
+ */
|
|
+ if (usbcfg.b.phylpwrclksel == 1) {
|
|
+ usbcfg.b.phylpwrclksel = 0;
|
|
+ dwc_write_reg32(&global_regs->gusbcfg,
|
|
+ usbcfg.d32);
|
|
+ do_reset = 1;
|
|
+ }
|
|
+ }
|
|
+ if (do_reset)
|
|
+ tasklet_schedule(dwc_otg_hcd->reset_tasklet);
|
|
+ }
|
|
+ if (!do_reset)
|
|
+ /*
|
|
+ * Port has been enabled set the reset
|
|
+ * change flag
|
|
+ */
|
|
+ dwc_otg_hcd->flags.b.port_reset_change = 1;
|
|
+ } else {
|
|
+ dwc_otg_hcd->flags.b.port_enable_change = 1;
|
|
+ }
|
|
+ retval |= 1;
|
|
+ }
|
|
+
|
|
+ /** Overcurrent Change Interrupt */
|
|
+ if (hprt0.b.prtovrcurrchng) {
|
|
+ DWC_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x "
|
|
+ "Port Overcurrent Changed--\n", hprt0.d32);
|
|
+ dwc_otg_hcd->flags.b.port_over_current_change = 1;
|
|
+ hprt0_modify.b.prtovrcurrchng = 1;
|
|
+ retval |= 1;
|
|
+ }
|
|
+
|
|
+ /* Clear Port Interrupts */
|
|
+ dwc_write_reg32(dwc_otg_hcd->core_if->host_if->hprt0,
|
|
+ hprt0_modify.d32);
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/** This interrupt indicates that one or more host channels has a pending
|
|
+ * interrupt. There are multiple conditions that can cause each host channel
|
|
+ * interrupt. This function determines which conditions have occurred for each
|
|
+ * host channel interrupt and handles them appropriately. */
|
|
+int32_t dwc_otg_hcd_handle_hc_intr(struct dwc_otg_hcd *dwc_otg_hcd)
|
|
+{
|
|
+ int i;
|
|
+ int retval = 0;
|
|
+ union haint_data haint;
|
|
+
|
|
+ /* Clear appropriate bits in HCINTn to clear the interrupt bit in
|
|
+ * GINTSTS */
|
|
+
|
|
+ haint.d32 = dwc_otg_read_host_all_channels_intr(dwc_otg_hcd->core_if);
|
|
+
|
|
+ for (i = 0; i < dwc_otg_hcd->core_if->core_params->host_channels; i++) {
|
|
+ if (haint.b2.chint & (1 << i))
|
|
+ retval |= dwc_otg_hcd_handle_hc_n_intr(dwc_otg_hcd, i);
|
|
+ }
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/* Macro used to clear one channel interrupt */
|
|
+#define clear_hc_int(_hc_regs_, _intr_) \
|
|
+do { \
|
|
+ union hcint_data hcint_clear = {.d32 = 0}; \
|
|
+ hcint_clear.b._intr_ = 1; \
|
|
+ dwc_write_reg32(&((_hc_regs_)->hcint), hcint_clear.d32); \
|
|
+} while (0)
|
|
+
|
|
+/*
|
|
+ * Macro used to disable one channel interrupt. Channel interrupts are
|
|
+ * disabled when the channel is halted or released by the interrupt handler.
|
|
+ * There is no need to handle further interrupts of that type until the
|
|
+ * channel is re-assigned. In fact, subsequent handling may cause crashes
|
|
+ * because the channel structures are cleaned up when the channel is released.
|
|
+ */
|
|
+#define disable_hc_int(_hc_regs_, _intr_) \
|
|
+ do { \
|
|
+ union hcintmsk_data hcintmsk = {.d32 = 0}; \
|
|
+ hcintmsk.b._intr_ = 1; \
|
|
+ dwc_modify_reg32(&((_hc_regs_)->hcintmsk), hcintmsk.d32, 0); \
|
|
+ } while (0)
|
|
+
|
|
+/**
|
|
+ * Gets the actual length of a transfer after the transfer halts. _halt_status
|
|
+ * holds the reason for the halt.
|
|
+ *
|
|
+ * For IN transfers where _halt_status is DWC_OTG_HC_XFER_COMPLETE,
|
|
+ * *_short_read is set to 1 upon return if less than the requested
|
|
+ * number of bytes were transferred. Otherwise, *_short_read is set to 0 upon
|
|
+ * return. _short_read may also be NULL on entry, in which case it remains
|
|
+ * unchanged.
|
|
+ */
|
|
+static uint32_t get_actual_xfer_length(struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status _halt_status,
|
|
+ int *_short_read)
|
|
+{
|
|
+ union hctsiz_data hctsiz;
|
|
+ uint32_t length;
|
|
+
|
|
+ if (_short_read != NULL)
|
|
+ *_short_read = 0;
|
|
+
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+
|
|
+ if (_halt_status == DWC_OTG_HC_XFER_COMPLETE) {
|
|
+ if (hc->ep_is_in) {
|
|
+ length = hc->xfer_len - hctsiz.b.xfersize;
|
|
+ if (_short_read != NULL)
|
|
+ *_short_read = (hctsiz.b.xfersize != 0);
|
|
+ } else if (hc->qh->do_split) {
|
|
+ length = qtd->ssplit_out_xfer_count;
|
|
+ } else {
|
|
+ length = hc->xfer_len;
|
|
+ }
|
|
+ } else {
|
|
+ /*
|
|
+ * Must use the hctsiz.pktcnt field to determine how much data
|
|
+ * has been transferred. This field reflects the number of
|
|
+ * packets that have been transferred via the USB. This is
|
|
+ * always an integral number of packets if the transfer was
|
|
+ * halted before its normal completion. (Can't use the
|
|
+ * hctsiz.xfersize field because that reflects the number of
|
|
+ * bytes transferred via the AHB, not the USB).
|
|
+ */
|
|
+ length =
|
|
+ (hc->start_pkt_count - hctsiz.b.pktcnt) * hc->max_packet;
|
|
+ }
|
|
+
|
|
+ return length;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Updates the state of the URB after a Transfer Complete interrupt on the
|
|
+ * host channel. Updates the actual_length field of the URB based on the
|
|
+ * number of bytes transferred via the host channel. Sets the URB status
|
|
+ * if the data transfer is finished.
|
|
+ *
|
|
+ * Returns 1 if the data transfer specified by the URB is completely finished,
|
|
+ * 0 otherwise.
|
|
+ */
|
|
+static int update_urb_state_xfer_comp(struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct urb *urb, struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ int xfer_done = 0;
|
|
+ int short_read = 0;
|
|
+
|
|
+ urb->actual_length += get_actual_xfer_length(hc, hc_regs, qtd,
|
|
+ DWC_OTG_HC_XFER_COMPLETE,
|
|
+ &short_read);
|
|
+
|
|
+ if (short_read || (urb->actual_length == urb->transfer_buffer_length)) {
|
|
+ xfer_done = 1;
|
|
+ if (short_read && (urb->transfer_flags & URB_SHORT_NOT_OK))
|
|
+ urb->status = -EREMOTEIO;
|
|
+ else
|
|
+ urb->status = 0;
|
|
+ }
|
|
+#ifdef DEBUG
|
|
+ {
|
|
+ union hctsiz_data hctsiz;
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC_otg: %s: %s, channel %d\n",
|
|
+ __func__, (hc->ep_is_in ? "IN" : "OUT"),
|
|
+ hc->hc_num);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hc->xfer_len %d\n", hc->xfer_len);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hctsiz.xfersize %d\n",
|
|
+ hctsiz.b.xfersize);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " urb->transfer_buffer_length %d\n",
|
|
+ urb->transfer_buffer_length);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " urb->actual_length %d\n",
|
|
+ urb->actual_length);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " short_read %d, xfer_done %d\n",
|
|
+ short_read, xfer_done);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ return xfer_done;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Save the starting data toggle for the next transfer. The data toggle is
|
|
+ * saved in the QH for non-control transfers and it's saved in the QTD for
|
|
+ * control transfers.
|
|
+ */
|
|
+static void save_data_toggle(struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ union hctsiz_data hctsiz;
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+
|
|
+ if (hc->ep_type != DWC_OTG_EP_TYPE_CONTROL) {
|
|
+ struct dwc_otg_qh *qh = hc->qh;
|
|
+ if (hctsiz.b.pid == DWC_HCTSIZ_DATA0)
|
|
+ qh->data_toggle = DWC_OTG_HC_PID_DATA0;
|
|
+ else
|
|
+ qh->data_toggle = DWC_OTG_HC_PID_DATA1;
|
|
+ } else {
|
|
+ if (hctsiz.b.pid == DWC_HCTSIZ_DATA0)
|
|
+ qtd->data_toggle = DWC_OTG_HC_PID_DATA0;
|
|
+ else
|
|
+ qtd->data_toggle = DWC_OTG_HC_PID_DATA1;
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Frees the first QTD in the QH's list if free_qtd is 1. For non-periodic
|
|
+ * QHs, removes the QH from the active non-periodic schedule. If any QTDs are
|
|
+ * still linked to the QH, the QH is added to the end of the inactive
|
|
+ * non-periodic schedule. For periodic QHs, removes the QH from the periodic
|
|
+ * schedule if no more QTDs are linked to the QH.
|
|
+ */
|
|
+static void deactivate_qh(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_otg_qh *qh, int free_qtd)
|
|
+{
|
|
+ int continue_split = 0;
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, " %s(%p,%p,%d)\n", __func__, hcd, qh, free_qtd);
|
|
+
|
|
+ qtd = list_entry(qh->qtd_list.next, struct dwc_otg_qtd, qtd_list_entry);
|
|
+
|
|
+ if (qtd->complete_split) {
|
|
+ continue_split = 1;
|
|
+ } else if ((qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_MID) ||
|
|
+ (qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_END)) {
|
|
+ continue_split = 1;
|
|
+ }
|
|
+
|
|
+ if (free_qtd) {
|
|
+ dwc_otg_hcd_qtd_remove_and_free(qtd);
|
|
+ continue_split = 0;
|
|
+ }
|
|
+
|
|
+ qh->channel = NULL;
|
|
+ qh->qtd_in_process = NULL;
|
|
+ dwc_otg_hcd_qh_deactivate(hcd, qh, continue_split);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Updates the state of an Isochronous URB when the transfer is stopped for
|
|
+ * any reason. The fields of the current entry in the frame descriptor array
|
|
+ * are set based on the transfer state and the input _halt_status. Completes
|
|
+ * the Isochronous URB if all the URB frames have been completed.
|
|
+ *
|
|
+ * Returns DWC_OTG_HC_XFER_COMPLETE if there are more frames remaining to be
|
|
+ * transferred in the URB. Otherwise return DWC_OTG_HC_XFER_URB_COMPLETE.
|
|
+ */
|
|
+static enum dwc_otg_halt_status
|
|
+update_isoc_urb_state(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ struct urb *urb = qtd->urb;
|
|
+ enum dwc_otg_halt_status ret_val = halt_status;
|
|
+ struct usb_iso_packet_descriptor *frame_desc;
|
|
+
|
|
+ frame_desc = &urb->iso_frame_desc[qtd->isoc_frame_index];
|
|
+ switch (halt_status) {
|
|
+ case DWC_OTG_HC_XFER_COMPLETE:
|
|
+ frame_desc->status = 0;
|
|
+ frame_desc->actual_length =
|
|
+ get_actual_xfer_length(hc, hc_regs, qtd,
|
|
+ halt_status, NULL);
|
|
+ break;
|
|
+ case DWC_OTG_HC_XFER_FRAME_OVERRUN:
|
|
+ urb->error_count++;
|
|
+ if (hc->ep_is_in)
|
|
+ frame_desc->status = -ENOSR;
|
|
+ else
|
|
+ frame_desc->status = -ECOMM;
|
|
+ frame_desc->actual_length = 0;
|
|
+ break;
|
|
+ case DWC_OTG_HC_XFER_BABBLE_ERR:
|
|
+ urb->error_count++;
|
|
+ frame_desc->status = -EOVERFLOW;
|
|
+ /* Don't need to update actual_length in this case. */
|
|
+ break;
|
|
+ case DWC_OTG_HC_XFER_XACT_ERR:
|
|
+ urb->error_count++;
|
|
+ frame_desc->status = -EPROTO;
|
|
+ frame_desc->actual_length =
|
|
+ get_actual_xfer_length(hc, hc_regs, qtd,
|
|
+ halt_status, NULL);
|
|
+ break;
|
|
+ default:
|
|
+ DWC_ERROR("%s: Unhandled halt_status (%d)\n", __func__,
|
|
+ halt_status);
|
|
+ BUG();
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (++qtd->isoc_frame_index == urb->number_of_packets) {
|
|
+ /*
|
|
+ * urb->status is not used for isoc transfers.
|
|
+ * The individual frame_desc statuses are used instead.
|
|
+ */
|
|
+ dwc_otg_hcd_complete_urb(hcd, urb, 0);
|
|
+ qtd->urb = NULL;
|
|
+ ret_val = DWC_OTG_HC_XFER_URB_COMPLETE;
|
|
+ } else {
|
|
+ ret_val = DWC_OTG_HC_XFER_COMPLETE;
|
|
+ }
|
|
+
|
|
+ return ret_val;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Releases a host channel for use by other transfers. Attempts to select and
|
|
+ * queue more transactions since at least one host channel is available.
|
|
+ *
|
|
+ * @hcd: The HCD state structure.
|
|
+ * @hc: The host channel to release.
|
|
+ * @qtd: The QTD associated with the host channel. This QTD may be freed
|
|
+ * if the transfer is complete or an error has occurred.
|
|
+ * @_halt_status: Reason the channel is being released. This status
|
|
+ * determines the actions taken by this function.
|
|
+ */
|
|
+static void release_channel(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ enum dwc_otg_transaction_type tr_type;
|
|
+ int free_qtd;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, " %s: channel %d, halt_status %d\n",
|
|
+ __func__, hc->hc_num, halt_status);
|
|
+
|
|
+ switch (halt_status) {
|
|
+ case DWC_OTG_HC_XFER_URB_COMPLETE:
|
|
+ free_qtd = 1;
|
|
+ break;
|
|
+ case DWC_OTG_HC_XFER_AHB_ERR:
|
|
+ case DWC_OTG_HC_XFER_STALL:
|
|
+ case DWC_OTG_HC_XFER_BABBLE_ERR:
|
|
+ free_qtd = 1;
|
|
+ break;
|
|
+ case DWC_OTG_HC_XFER_XACT_ERR:
|
|
+ if (qtd->error_count >= 3) {
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " Complete URB with transaction error\n");
|
|
+ free_qtd = 1;
|
|
+ qtd->urb->status = -EPROTO;
|
|
+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -EPROTO);
|
|
+ qtd->urb = NULL;
|
|
+ } else {
|
|
+ free_qtd = 0;
|
|
+ }
|
|
+ break;
|
|
+ case DWC_OTG_HC_XFER_URB_DEQUEUE:
|
|
+ /*
|
|
+ * The QTD has already been removed and the QH has been
|
|
+ * deactivated. Don't want to do anything except release the
|
|
+ * host channel and try to queue more transfers.
|
|
+ */
|
|
+ goto cleanup;
|
|
+ case DWC_OTG_HC_XFER_NO_HALT_STATUS:
|
|
+ DWC_ERROR("%s: No halt_status, channel %d\n", __func__,
|
|
+ hc->hc_num);
|
|
+ free_qtd = 0;
|
|
+ break;
|
|
+ default:
|
|
+ free_qtd = 0;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ deactivate_qh(hcd, hc->qh, free_qtd);
|
|
+
|
|
+cleanup:
|
|
+ /*
|
|
+ * Release the host channel for use by other transfers. The cleanup
|
|
+ * function clears the channel interrupt enables and conditions, so
|
|
+ * there's no need to clear the Channel Halted interrupt separately.
|
|
+ */
|
|
+ dwc_otg_hc_cleanup(hcd->core_if, hc);
|
|
+ list_add_tail(&hc->hc_list_entry, &hcd->free_hc_list);
|
|
+
|
|
+ switch (hc->ep_type) {
|
|
+ case DWC_OTG_EP_TYPE_CONTROL:
|
|
+ case DWC_OTG_EP_TYPE_BULK:
|
|
+ hcd->non_periodic_channels--;
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ /*
|
|
+ * Don't release reservations for periodic channels here.
|
|
+ * That's done when a periodic transfer is descheduled (i.e.
|
|
+ * when the QH is removed from the periodic schedule).
|
|
+ */
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ /* Try to queue more transfers now that there's a free channel. */
|
|
+ tr_type = dwc_otg_hcd_select_transactions(hcd);
|
|
+ if (tr_type != DWC_OTG_TRANSACTION_NONE)
|
|
+ dwc_otg_hcd_queue_transactions(hcd, tr_type);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Halts a host channel. If the channel cannot be halted immediately because
|
|
+ * the request queue is full, this function ensures that the FIFO empty
|
|
+ * interrupt for the appropriate queue is enabled so that the halt request can
|
|
+ * be queued when there is space in the request queue.
|
|
+ *
|
|
+ * This function may also be called in DMA mode. In that case, the channel is
|
|
+ * simply released since the core always halts the channel automatically in
|
|
+ * DMA mode.
|
|
+ */
|
|
+static void halt_channel(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+ release_channel(hcd, hc, qtd, halt_status);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ /* Slave mode processing... */
|
|
+ dwc_otg_hc_halt(hcd->core_if, hc, halt_status);
|
|
+
|
|
+ if (hc->halt_on_queue) {
|
|
+ union gintmsk_data gintmsk = {.d32 = 0 };
|
|
+ struct dwc_otg_core_global_regs *global_regs;
|
|
+ global_regs = hcd->core_if->core_global_regs;
|
|
+
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_CONTROL ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_BULK) {
|
|
+ /*
|
|
+ * Make sure the Non-periodic Tx FIFO empty interrupt
|
|
+ * is enabled so that the non-periodic schedule will
|
|
+ * be processed.
|
|
+ */
|
|
+ gintmsk.b.nptxfempty = 1;
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmsk.d32);
|
|
+ } else {
|
|
+ /*
|
|
+ * Move the QH from the periodic queued schedule to
|
|
+ * the periodic assigned schedule. This allows the
|
|
+ * halt to be queued when the periodic schedule is
|
|
+ * processed.
|
|
+ */
|
|
+ list_move(&hc->qh->qh_list_entry,
|
|
+ &hcd->periodic_sched_assigned);
|
|
+
|
|
+ /*
|
|
+ * Make sure the Periodic Tx FIFO Empty interrupt is
|
|
+ * enabled so that the periodic schedule will be
|
|
+ * processed.
|
|
+ */
|
|
+ gintmsk.b.ptxfempty = 1;
|
|
+ dwc_modify_reg32(&global_regs->gintmsk, 0, gintmsk.d32);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Performs common cleanup for non-periodic transfers after a Transfer
|
|
+ * Complete interrupt. This function should be called after any endpoint type
|
|
+ * specific handling is finished to release the host channel.
|
|
+ */
|
|
+static void complete_non_periodic_xfer(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ union hcint_data hcint;
|
|
+
|
|
+ qtd->error_count = 0;
|
|
+
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+ if (hcint.b.nyet) {
|
|
+ /*
|
|
+ * Got a NYET on the last transaction of the transfer. This
|
|
+ * means that the endpoint should be in the PING state at the
|
|
+ * beginning of the next transfer.
|
|
+ */
|
|
+ hc->qh->ping_state = 1;
|
|
+ clear_hc_int(hc_regs, nyet);
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Always halt and release the host channel to make it available for
|
|
+ * more transfers. There may still be more phases for a control
|
|
+ * transfer or more data packets for a bulk transfer at this point,
|
|
+ * but the host channel is still halted. A channel will be reassigned
|
|
+ * to the transfer when the non-periodic schedule is processed after
|
|
+ * the channel is released. This allows transactions to be queued
|
|
+ * properly via dwc_otg_hcd_queue_transactions, which also enables the
|
|
+ * Tx FIFO Empty interrupt if necessary.
|
|
+ */
|
|
+ if (hc->ep_is_in) {
|
|
+ /*
|
|
+ * IN transfers in Slave mode require an explicit disable to
|
|
+ * halt the channel. (In DMA mode, this call simply releases
|
|
+ * the channel.)
|
|
+ */
|
|
+ halt_channel(hcd, hc, qtd, halt_status);
|
|
+ } else {
|
|
+ /*
|
|
+ * The channel is automatically disabled by the core for OUT
|
|
+ * transfers in Slave mode.
|
|
+ */
|
|
+ release_channel(hcd, hc, qtd, halt_status);
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Performs common cleanup for periodic transfers after a Transfer Complete
|
|
+ * interrupt. This function should be called after any endpoint type specific
|
|
+ * handling is finished to release the host channel.
|
|
+ */
|
|
+static void complete_periodic_xfer(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ union hctsiz_data hctsiz;
|
|
+ qtd->error_count = 0;
|
|
+
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+ if (!hc->ep_is_in || hctsiz.b.pktcnt == 0) {
|
|
+ /* Core halts channel in these cases. */
|
|
+ release_channel(hcd, hc, qtd, halt_status);
|
|
+ } else {
|
|
+ /* Flush any outstanding requests from the Tx queue. */
|
|
+ halt_channel(hcd, hc, qtd, halt_status);
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel Transfer Complete interrupt. This handler may be
|
|
+ * called in either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_xfercomp_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ int urb_xfer_done;
|
|
+ enum dwc_otg_halt_status halt_status = DWC_OTG_HC_XFER_COMPLETE;
|
|
+ struct urb *urb = qtd->urb;
|
|
+ int pipe_type = usb_pipetype(urb->pipe);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "Transfer Complete--\n", hc->hc_num);
|
|
+
|
|
+ /*
|
|
+ * Handle xfer complete on CSPLIT.
|
|
+ */
|
|
+ if (hc->qh->do_split)
|
|
+ qtd->complete_split = 0;
|
|
+
|
|
+ /* Update the QTD and URB states. */
|
|
+ switch (pipe_type) {
|
|
+ case PIPE_CONTROL:
|
|
+ switch (qtd->control_phase) {
|
|
+ case DWC_OTG_CONTROL_SETUP:
|
|
+ if (urb->transfer_buffer_length > 0)
|
|
+ qtd->control_phase = DWC_OTG_CONTROL_DATA;
|
|
+ else
|
|
+ qtd->control_phase = DWC_OTG_CONTROL_STATUS;
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " Control setup transaction done\n");
|
|
+ halt_status = DWC_OTG_HC_XFER_COMPLETE;
|
|
+ break;
|
|
+ case DWC_OTG_CONTROL_DATA:{
|
|
+ urb_xfer_done =
|
|
+ update_urb_state_xfer_comp(hc, hc_regs,
|
|
+ urb, qtd);
|
|
+ if (urb_xfer_done) {
|
|
+ qtd->control_phase =
|
|
+ DWC_OTG_CONTROL_STATUS;
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " Control data transfer done\n");
|
|
+ } else {
|
|
+ save_data_toggle(hc, hc_regs, qtd);
|
|
+ }
|
|
+ halt_status = DWC_OTG_HC_XFER_COMPLETE;
|
|
+ break;
|
|
+ }
|
|
+ case DWC_OTG_CONTROL_STATUS:
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Control transfer complete\n");
|
|
+ if (urb->status == -EINPROGRESS)
|
|
+ urb->status = 0;
|
|
+ dwc_otg_hcd_complete_urb(hcd, urb, urb->status);
|
|
+ qtd->urb = NULL;
|
|
+ halt_status = DWC_OTG_HC_XFER_URB_COMPLETE;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ complete_non_periodic_xfer(hcd, hc, hc_regs, qtd,
|
|
+ halt_status);
|
|
+ break;
|
|
+ case PIPE_BULK:
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Bulk transfer complete\n");
|
|
+ urb_xfer_done =
|
|
+ update_urb_state_xfer_comp(hc, hc_regs, urb, qtd);
|
|
+ if (urb_xfer_done) {
|
|
+ dwc_otg_hcd_complete_urb(hcd, urb, urb->status);
|
|
+ qtd->urb = NULL;
|
|
+ halt_status = DWC_OTG_HC_XFER_URB_COMPLETE;
|
|
+ } else {
|
|
+ halt_status = DWC_OTG_HC_XFER_COMPLETE;
|
|
+ }
|
|
+
|
|
+ save_data_toggle(hc, hc_regs, qtd);
|
|
+ complete_non_periodic_xfer(hcd, hc, hc_regs, qtd,
|
|
+ halt_status);
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Interrupt transfer complete\n");
|
|
+ update_urb_state_xfer_comp(hc, hc_regs, urb, qtd);
|
|
+
|
|
+ /*
|
|
+ * Interrupt URB is done on the first transfer complete
|
|
+ * interrupt.
|
|
+ */
|
|
+ dwc_otg_hcd_complete_urb(hcd, urb, urb->status);
|
|
+ qtd->urb = NULL;
|
|
+ save_data_toggle(hc, hc_regs, qtd);
|
|
+ complete_periodic_xfer(hcd, hc, hc_regs, qtd,
|
|
+ DWC_OTG_HC_XFER_URB_COMPLETE);
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ DWC_DEBUGPL(DBG_HCDV, " Isochronous transfer complete\n");
|
|
+ if (qtd->isoc_split_pos == DWC_HCSPLIT_XACTPOS_ALL) {
|
|
+ halt_status =
|
|
+ update_isoc_urb_state(hcd, hc, hc_regs, qtd,
|
|
+ DWC_OTG_HC_XFER_COMPLETE);
|
|
+ }
|
|
+ complete_periodic_xfer(hcd, hc, hc_regs, qtd, halt_status);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ disable_hc_int(hc_regs, xfercompl);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel STALL interrupt. This handler may be called in
|
|
+ * either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_stall_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ struct urb *urb = qtd->urb;
|
|
+ int pipe_type = usb_pipetype(urb->pipe);
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "STALL Received--\n", hc->hc_num);
|
|
+
|
|
+ if (pipe_type == PIPE_CONTROL) {
|
|
+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -EPIPE);
|
|
+ qtd->urb = NULL;
|
|
+ }
|
|
+
|
|
+ if (pipe_type == PIPE_BULK || pipe_type == PIPE_INTERRUPT) {
|
|
+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -EPIPE);
|
|
+ qtd->urb = NULL;
|
|
+ /*
|
|
+ * USB protocol requires resetting the data toggle for bulk
|
|
+ * and interrupt endpoints when a CLEAR_FEATURE(ENDPOINT_HALT)
|
|
+ * setup command is issued to the endpoint. Anticipate the
|
|
+ * CLEAR_FEATURE command since a STALL has occurred and reset
|
|
+ * the data toggle now.
|
|
+ */
|
|
+ hc->qh->data_toggle = 0;
|
|
+ }
|
|
+
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_STALL);
|
|
+
|
|
+ disable_hc_int(hc_regs, stall);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Updates the state of the URB when a transfer has been stopped due to an
|
|
+ * abnormal condition before the transfer completes. Modifies the
|
|
+ * actual_length field of the URB to reflect the number of bytes that have
|
|
+ * actually been transferred via the host channel.
|
|
+ */
|
|
+static void update_urb_state_xfer_intr(struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct urb *urb,
|
|
+ struct dwc_otg_qtd *qtd,
|
|
+ enum dwc_otg_halt_status halt_status)
|
|
+{
|
|
+ uint32_t bytes_transferred = get_actual_xfer_length(hc, hc_regs, qtd,
|
|
+ halt_status, NULL);
|
|
+ urb->actual_length += bytes_transferred;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ {
|
|
+ union hctsiz_data hctsiz;
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC_otg: %s: %s, channel %d\n",
|
|
+ __func__, (hc->ep_is_in ? "IN" : "OUT"),
|
|
+ hc->hc_num);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hc->start_pkt_count %d\n",
|
|
+ hc->start_pkt_count);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hctsiz.pktcnt %d\n", hctsiz.b.pktcnt);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " hc->max_packet %d\n",
|
|
+ hc->max_packet);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " bytes_transferred %d\n",
|
|
+ bytes_transferred);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " urb->actual_length %d\n",
|
|
+ urb->actual_length);
|
|
+ DWC_DEBUGPL(DBG_HCDV, " urb->transfer_buffer_length %d\n",
|
|
+ urb->transfer_buffer_length);
|
|
+ }
|
|
+#endif
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel NAK interrupt. This handler may be called in either
|
|
+ * DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_nak_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "NAK Received--\n", hc->hc_num);
|
|
+
|
|
+ /*
|
|
+ * Handle NAK for IN/OUT SSPLIT/CSPLIT transfers, bulk, control, and
|
|
+ * interrupt. Re-start the SSPLIT transfer.
|
|
+ */
|
|
+ if (hc->do_split) {
|
|
+ if (hc->complete_split)
|
|
+ qtd->error_count = 0;
|
|
+ qtd->complete_split = 0;
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NAK);
|
|
+ goto handle_nak_done;
|
|
+ }
|
|
+
|
|
+ switch (usb_pipetype(qtd->urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ case PIPE_BULK:
|
|
+ if (hcd->core_if->dma_enable && hc->ep_is_in) {
|
|
+ /*
|
|
+ * NAK interrupts are enabled on bulk/control IN
|
|
+ * transfers in DMA mode for the sole purpose of
|
|
+ * resetting the error count after a transaction error
|
|
+ * occurs. The core will continue transferring data.
|
|
+ */
|
|
+ qtd->error_count = 0;
|
|
+ goto handle_nak_done;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * NAK interrupts normally occur during OUT transfers in DMA
|
|
+ * or Slave mode. For IN transfers, more requests will be
|
|
+ * queued as request queue space is available.
|
|
+ */
|
|
+ qtd->error_count = 0;
|
|
+
|
|
+ if (!hc->qh->ping_state) {
|
|
+ update_urb_state_xfer_intr(hc, hc_regs, qtd->urb,
|
|
+ qtd, DWC_OTG_HC_XFER_NAK);
|
|
+ save_data_toggle(hc, hc_regs, qtd);
|
|
+ if (qtd->urb->dev->speed == USB_SPEED_HIGH)
|
|
+ hc->qh->ping_state = 1;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Halt the channel so the transfer can be re-started from
|
|
+ * the appropriate point or the PING protocol will
|
|
+ * start/continue.
|
|
+ */
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NAK);
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ qtd->error_count = 0;
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NAK);
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ /* Should never get called for isochronous transfers. */
|
|
+ BUG();
|
|
+ break;
|
|
+ }
|
|
+
|
|
+handle_nak_done:
|
|
+ disable_hc_int(hc_regs, nak);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel ACK interrupt. This interrupt is enabled when
|
|
+ * performing the PING protocol in Slave mode, when errors occur during
|
|
+ * either Slave mode or DMA mode, and during Start Split transactions.
|
|
+ */
|
|
+static int32_t handle_hc_ack_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "ACK Received--\n", hc->hc_num);
|
|
+
|
|
+ if (hc->do_split) {
|
|
+ /*
|
|
+ * Handle ACK on SSPLIT.
|
|
+ * ACK should not occur in CSPLIT.
|
|
+ */
|
|
+ if ((!hc->ep_is_in)
|
|
+ && (hc->data_pid_start != DWC_OTG_HC_PID_SETUP)) {
|
|
+ qtd->ssplit_out_xfer_count = hc->xfer_len;
|
|
+ }
|
|
+ if (!(hc->ep_type == DWC_OTG_EP_TYPE_ISOC && !hc->ep_is_in)) {
|
|
+ /* Don't need complete for isochronous out transfers. */
|
|
+ qtd->complete_split = 1;
|
|
+ }
|
|
+
|
|
+ /* ISOC OUT */
|
|
+ if ((hc->ep_type == DWC_OTG_EP_TYPE_ISOC) && !hc->ep_is_in) {
|
|
+ switch (hc->xact_pos) {
|
|
+ case DWC_HCSPLIT_XACTPOS_ALL:
|
|
+ break;
|
|
+ case DWC_HCSPLIT_XACTPOS_END:
|
|
+ qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_ALL;
|
|
+ qtd->isoc_split_offset = 0;
|
|
+ break;
|
|
+ case DWC_HCSPLIT_XACTPOS_BEGIN:
|
|
+ case DWC_HCSPLIT_XACTPOS_MID:
|
|
+ /*
|
|
+ * For BEGIN or MID, calculate the length for
|
|
+ * the next microframe to determine the correct
|
|
+ * SSPLIT token, either MID or END.
|
|
+ */
|
|
+ do {
|
|
+ struct usb_iso_packet_descriptor
|
|
+ *frame_desc;
|
|
+
|
|
+ frame_desc =
|
|
+ &qtd->urb->iso_frame_desc[qtd->isoc_frame_index];
|
|
+ qtd->isoc_split_offset += 188;
|
|
+
|
|
+ if ((frame_desc->length -
|
|
+ qtd->isoc_split_offset) <= 188) {
|
|
+ qtd->isoc_split_pos =
|
|
+ DWC_HCSPLIT_XACTPOS_END;
|
|
+ } else {
|
|
+ qtd->isoc_split_pos =
|
|
+ DWC_HCSPLIT_XACTPOS_MID;
|
|
+ }
|
|
+
|
|
+ } while (0);
|
|
+ break;
|
|
+ }
|
|
+ } else {
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_ACK);
|
|
+ }
|
|
+ } else {
|
|
+ qtd->error_count = 0;
|
|
+
|
|
+ if (hc->qh->ping_state) {
|
|
+ hc->qh->ping_state = 0;
|
|
+ /*
|
|
+ * Halt the channel so the transfer can be re-started
|
|
+ * from the appropriate point. This only happens in
|
|
+ * Slave mode. In DMA mode, the ping_state is cleared
|
|
+ * when the transfer is started because the core
|
|
+ * automatically executes the PING, then the transfer.
|
|
+ */
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_ACK);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * If the ACK occurred when _not_ in the PING state, let the channel
|
|
+ * continue transferring data after clearing the error count.
|
|
+ */
|
|
+
|
|
+ disable_hc_int(hc_regs, ack);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel NYET interrupt. This interrupt should only occur on
|
|
+ * Bulk and Control OUT endpoints and for complete split transactions. If a
|
|
+ * NYET occurs at the same time as a Transfer Complete interrupt, it is
|
|
+ * handled in the xfercomp interrupt handler, not here. This handler may be
|
|
+ * called in either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_nyet_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "NYET Received--\n", hc->hc_num);
|
|
+
|
|
+ /*
|
|
+ * NYET on CSPLIT
|
|
+ * re-do the CSPLIT immediately on non-periodic
|
|
+ */
|
|
+ if ((hc->do_split) && (hc->complete_split)) {
|
|
+ if ((hc->ep_type == DWC_OTG_EP_TYPE_INTR) ||
|
|
+ (hc->ep_type == DWC_OTG_EP_TYPE_ISOC)) {
|
|
+ int frnum =
|
|
+ dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd
|
|
+ (hcd));
|
|
+
|
|
+ if (dwc_full_frame_num(frnum) !=
|
|
+ dwc_full_frame_num(hc->qh->sched_frame)) {
|
|
+ /*
|
|
+ * No longer in the same full speed frame.
|
|
+ * Treat this as a transaction error.
|
|
+ */
|
|
+#if 0
|
|
+ /** @todo Fix system performance so this can
|
|
+ * be treated as an error. Right now complete
|
|
+ * splits cannot be scheduled precisely enough
|
|
+ * due to other system activity, so this error
|
|
+ * occurs regularly in Slave mode.
|
|
+ */
|
|
+ qtd->error_count++;
|
|
+#endif
|
|
+ qtd->complete_split = 0;
|
|
+ halt_channel(hcd, hc, qtd,
|
|
+ DWC_OTG_HC_XFER_XACT_ERR);
|
|
+ /** @todo add support for isoc release */
|
|
+ goto handle_nyet_done;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NYET);
|
|
+ goto handle_nyet_done;
|
|
+ }
|
|
+
|
|
+ hc->qh->ping_state = 1;
|
|
+ qtd->error_count = 0;
|
|
+
|
|
+ update_urb_state_xfer_intr(hc, hc_regs, qtd->urb, qtd,
|
|
+ DWC_OTG_HC_XFER_NYET);
|
|
+ save_data_toggle(hc, hc_regs, qtd);
|
|
+
|
|
+ /*
|
|
+ * Halt the channel and re-start the transfer so the PING
|
|
+ * protocol will start.
|
|
+ */
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_NYET);
|
|
+
|
|
+handle_nyet_done:
|
|
+ disable_hc_int(hc_regs, nyet);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel babble interrupt. This handler may be called in
|
|
+ * either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_babble_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "Babble Error--\n", hc->hc_num);
|
|
+ if (hc->ep_type != DWC_OTG_EP_TYPE_ISOC) {
|
|
+ dwc_otg_hcd_complete_urb(hcd, qtd->urb, -EOVERFLOW);
|
|
+ qtd->urb = NULL;
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_BABBLE_ERR);
|
|
+ } else {
|
|
+ enum dwc_otg_halt_status halt_status;
|
|
+ halt_status = update_isoc_urb_state(hcd, hc, hc_regs, qtd,
|
|
+ DWC_OTG_HC_XFER_BABBLE_ERR);
|
|
+ halt_channel(hcd, hc, qtd, halt_status);
|
|
+ }
|
|
+ disable_hc_int(hc_regs, bblerr);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel AHB error interrupt. This handler is only called in
|
|
+ * DMA mode.
|
|
+ */
|
|
+static int32_t handle_hc_ahberr_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ union hcchar_data hcchar;
|
|
+ union hcsplt_data hcsplt;
|
|
+ union hctsiz_data hctsiz;
|
|
+ uint32_t hcdma;
|
|
+ struct urb *urb = qtd->urb;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "AHB Error--\n", hc->hc_num);
|
|
+
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt);
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+ hcdma = dwc_read_reg32(&hc_regs->hcdma);
|
|
+
|
|
+ DWC_ERROR("AHB ERROR, Channel %d\n", hc->hc_num);
|
|
+ DWC_ERROR(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32, hcsplt.d32);
|
|
+ DWC_ERROR(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32, hcdma);
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD URB Enqueue\n");
|
|
+ DWC_ERROR(" Device address: %d\n", usb_pipedevice(urb->pipe));
|
|
+ DWC_ERROR(" Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe),
|
|
+ (usb_pipein(urb->pipe) ? "IN" : "OUT"));
|
|
+ DWC_ERROR(" Endpoint type: %s\n",
|
|
+ ({
|
|
+ char *pipetype;
|
|
+ switch (usb_pipetype(urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ pipetype = "CONTROL";
|
|
+ break;
|
|
+ case PIPE_BULK:
|
|
+ pipetype = "BULK";
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ pipetype = "INTERRUPT";
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ pipetype = "ISOCHRONOUS";
|
|
+ break;
|
|
+ default:
|
|
+ pipetype = "UNKNOWN";
|
|
+ break;
|
|
+ }
|
|
+ pipetype;
|
|
+ }));
|
|
+ DWC_ERROR(" Speed: %s\n",
|
|
+ ({
|
|
+ char *speed;
|
|
+ switch (urb->dev->speed) {
|
|
+ case USB_SPEED_HIGH:
|
|
+ speed = "HIGH";
|
|
+ break;
|
|
+ case USB_SPEED_FULL:
|
|
+ speed = "FULL";
|
|
+ break;
|
|
+ case USB_SPEED_LOW:
|
|
+ speed = "LOW";
|
|
+ break;
|
|
+ default:
|
|
+ speed = "UNKNOWN";
|
|
+ break;
|
|
+ }
|
|
+ speed;
|
|
+ }));
|
|
+ DWC_ERROR(" Max packet size: %d\n",
|
|
+ usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe)));
|
|
+ DWC_ERROR(" Data buffer length: %d\n", urb->transfer_buffer_length);
|
|
+ DWC_ERROR(" Transfer buffer: %p, Transfer DMA: 0x%llx\n",
|
|
+ urb->transfer_buffer, (unsigned long long)urb->transfer_dma);
|
|
+ DWC_ERROR(" Setup buffer: %p, Setup DMA: 0x%llx\n",
|
|
+ urb->setup_packet, (unsigned long long)urb->setup_dma);
|
|
+ DWC_ERROR(" Interval: %d\n", urb->interval);
|
|
+
|
|
+ dwc_otg_hcd_complete_urb(hcd, urb, -EIO);
|
|
+ qtd->urb = NULL;
|
|
+
|
|
+ /*
|
|
+ * Force a channel halt. Don't call halt_channel because that won't
|
|
+ * write to the HCCHARn register in DMA mode to force the halt.
|
|
+ */
|
|
+ dwc_otg_hc_halt(hcd->core_if, hc, DWC_OTG_HC_XFER_AHB_ERR);
|
|
+
|
|
+ disable_hc_int(hc_regs, ahberr);
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel transaction error interrupt. This handler may be
|
|
+ * called in either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_xacterr_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "Transaction Error--\n", hc->hc_num);
|
|
+
|
|
+ switch (usb_pipetype(qtd->urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ case PIPE_BULK:
|
|
+ qtd->error_count++;
|
|
+ if (!hc->qh->ping_state) {
|
|
+ update_urb_state_xfer_intr(hc, hc_regs, qtd->urb,
|
|
+ qtd,
|
|
+ DWC_OTG_HC_XFER_XACT_ERR);
|
|
+ save_data_toggle(hc, hc_regs, qtd);
|
|
+ if (!hc->ep_is_in
|
|
+ && qtd->urb->dev->speed == USB_SPEED_HIGH) {
|
|
+ hc->qh->ping_state = 1;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Halt the channel so the transfer can be re-started from
|
|
+ * the appropriate point or the PING protocol will start.
|
|
+ */
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_XACT_ERR);
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ qtd->error_count++;
|
|
+ if ((hc->do_split) && (hc->complete_split))
|
|
+ qtd->complete_split = 0;
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_XACT_ERR);
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ {
|
|
+ enum dwc_otg_halt_status halt_status;
|
|
+ halt_status =
|
|
+ update_isoc_urb_state(hcd, hc, hc_regs, qtd,
|
|
+ DWC_OTG_HC_XFER_XACT_ERR);
|
|
+
|
|
+ halt_channel(hcd, hc, qtd, halt_status);
|
|
+ }
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ disable_hc_int(hc_regs, xacterr);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel frame overrun interrupt. This handler may be called
|
|
+ * in either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_frmovrun_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ enum dwc_otg_halt_status halt_status;
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "Frame Overrun--\n", hc->hc_num);
|
|
+
|
|
+ switch (usb_pipetype(qtd->urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ case PIPE_BULK:
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ halt_channel(hcd, hc, qtd, DWC_OTG_HC_XFER_FRAME_OVERRUN);
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ halt_status =
|
|
+ update_isoc_urb_state(hcd, hc, hc_regs, qtd,
|
|
+ DWC_OTG_HC_XFER_FRAME_OVERRUN);
|
|
+ halt_channel(hcd, hc, qtd, halt_status);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ disable_hc_int(hc_regs, frmovrun);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel data toggle error interrupt. This handler may be
|
|
+ * called in either DMA mode or Slave mode.
|
|
+ */
|
|
+static int32_t handle_hc_datatglerr_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "Data Toggle Error--\n", hc->hc_num);
|
|
+
|
|
+ if (hc->ep_is_in) {
|
|
+ qtd->error_count = 0;
|
|
+ } else {
|
|
+ DWC_ERROR("Data Toggle Error on OUT transfer,"
|
|
+ "channel %d\n", hc->hc_num);
|
|
+ }
|
|
+
|
|
+ disable_hc_int(hc_regs, datatglerr);
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+#ifdef DEBUG
|
|
+/**
|
|
+ * This function is for debug only. It checks that a valid halt status is set
|
|
+ * and that HCCHARn.chdis is clear. If there's a problem, corrective action is
|
|
+ * taken and a warning is issued.
|
|
+ * Returns 1 if halt status is ok, 0 otherwise.
|
|
+ */
|
|
+static inline int halt_status_ok(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ union hcchar_data hcchar;
|
|
+ union hctsiz_data hctsiz;
|
|
+ union hcint_data hcint;
|
|
+ union hcintmsk_data hcintmsk;
|
|
+ union hcsplt_data hcsplt;
|
|
+
|
|
+ if (hc->halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS) {
|
|
+ /*
|
|
+ * This code is here only as a check. This condition should
|
|
+ * never happen. Ignore the halt if it does occur.
|
|
+ */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ hctsiz.d32 = dwc_read_reg32(&hc_regs->hctsiz);
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk);
|
|
+ hcsplt.d32 = dwc_read_reg32(&hc_regs->hcsplt);
|
|
+ DWC_WARN
|
|
+ ("%s: hc->halt_status == DWC_OTG_HC_XFER_NO_HALT_STATUS, "
|
|
+ "channel %d, hcchar 0x%08x, hctsiz 0x%08x, "
|
|
+ "hcint 0x%08x, hcintmsk 0x%08x, "
|
|
+ "hcsplt 0x%08x, qtd->complete_split %d\n", __func__,
|
|
+ hc->hc_num, hcchar.d32, hctsiz.d32, hcint.d32,
|
|
+ hcintmsk.d32, hcsplt.d32, qtd->complete_split);
|
|
+
|
|
+ DWC_WARN("%s: no halt status, channel %d, ignoring interrupt\n",
|
|
+ __func__, hc->hc_num);
|
|
+ DWC_WARN("\n");
|
|
+ clear_hc_int(hc_regs, chhltd);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * This code is here only as a check. hcchar.chdis should
|
|
+ * never be set when the halt interrupt occurs. Halt the
|
|
+ * channel again if it does occur.
|
|
+ */
|
|
+ hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
|
|
+ if (hcchar.b.chdis) {
|
|
+ DWC_WARN("%s: hcchar.chdis set unexpectedly, "
|
|
+ "hcchar 0x%08x, trying to halt again\n",
|
|
+ __func__, hcchar.d32);
|
|
+ clear_hc_int(hc_regs, chhltd);
|
|
+ hc->halt_pending = 0;
|
|
+ halt_channel(hcd, hc, qtd, hc->halt_status);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+#endif
|
|
+
|
|
+/**
|
|
+ * Handles a host Channel Halted interrupt in DMA mode. This handler
|
|
+ * determines the reason the channel halted and proceeds accordingly.
|
|
+ */
|
|
+static void handle_hc_chhltd_intr_dma(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ union hcint_data hcint;
|
|
+ union hcintmsk_data hcintmsk;
|
|
+
|
|
+ if (hc->halt_status == DWC_OTG_HC_XFER_URB_DEQUEUE ||
|
|
+ hc->halt_status == DWC_OTG_HC_XFER_AHB_ERR) {
|
|
+ /*
|
|
+ * Just release the channel. A dequeue can happen on a
|
|
+ * transfer timeout. In the case of an AHB Error, the channel
|
|
+ * was forced to halt because there's no way to gracefully
|
|
+ * recover.
|
|
+ */
|
|
+ release_channel(hcd, hc, qtd, hc->halt_status);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ /* Read the HCINTn register to determine the cause for the halt. */
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk);
|
|
+
|
|
+ if (hcint.b.xfercomp) {
|
|
+ /*
|
|
+ * @todo This is here because of a possible hardware
|
|
+ * bug. Spec says that on SPLIT-ISOC OUT transfers in
|
|
+ * DMA mode that a HALT interrupt w/ACK bit set should
|
|
+ * occur, but I only see the XFERCOMP bit, even with
|
|
+ * it masked out. This is a workaround for that
|
|
+ * behavior. Should fix this when hardware is fixed.
|
|
+ */
|
|
+ if ((hc->ep_type == DWC_OTG_EP_TYPE_ISOC) && (!hc->ep_is_in))
|
|
+ handle_hc_ack_intr(hcd, hc, hc_regs, qtd);
|
|
+ handle_hc_xfercomp_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.stall) {
|
|
+ handle_hc_stall_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.xacterr) {
|
|
+ /*
|
|
+ * Must handle xacterr before nak or ack. Could get a xacterr
|
|
+ * at the same time as either of these on a BULK/CONTROL OUT
|
|
+ * that started with a PING. The xacterr takes precedence.
|
|
+ */
|
|
+ handle_hc_xacterr_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.nyet) {
|
|
+ /*
|
|
+ * Must handle nyet before nak or ack. Could get a nyet at the
|
|
+ * same time as either of those on a BULK/CONTROL OUT that
|
|
+ * started with a PING. The nyet takes precedence.
|
|
+ */
|
|
+ handle_hc_nyet_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.bblerr) {
|
|
+ handle_hc_babble_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.frmovrun) {
|
|
+ handle_hc_frmovrun_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.nak && !hcintmsk.b.nak) {
|
|
+ /*
|
|
+ * If nak is not masked, it's because a non-split IN transfer
|
|
+ * is in an error state. In that case, the nak is handled by
|
|
+ * the nak interrupt handler, not here. Handle nak here for
|
|
+ * BULK/CONTROL OUT transfers, which halt on a NAK to allow
|
|
+ * rewinding the buffer pointer.
|
|
+ */
|
|
+ handle_hc_nak_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else if (hcint.b.ack && !hcintmsk.b.ack) {
|
|
+ /*
|
|
+ * If ack is not masked, it's because a non-split IN transfer
|
|
+ * is in an error state. In that case, the ack is handled by
|
|
+ * the ack interrupt handler, not here. Handle ack here for
|
|
+ * split transfers. Start splits halt on ACK.
|
|
+ */
|
|
+ handle_hc_ack_intr(hcd, hc, hc_regs, qtd);
|
|
+ } else {
|
|
+ if (hc->ep_type == DWC_OTG_EP_TYPE_INTR ||
|
|
+ hc->ep_type == DWC_OTG_EP_TYPE_ISOC) {
|
|
+ /*
|
|
+ * A periodic transfer halted with no other channel
|
|
+ * interrupts set. Assume it was halted by the core
|
|
+ * because it could not be completed in its scheduled
|
|
+ * (micro)frame.
|
|
+ */
|
|
+#ifdef DEBUG
|
|
+ DWC_PRINT("%s: Halt channel %d (assume incomplete "
|
|
+ "periodic transfer)\n",
|
|
+ __func__, hc->hc_num);
|
|
+#endif
|
|
+ halt_channel(hcd, hc, qtd,
|
|
+ DWC_OTG_HC_XFER_PERIODIC_INCOMPLETE);
|
|
+ } else {
|
|
+ DWC_ERROR("%s: Channel %d, DMA Mode -- ChHltd set, "
|
|
+ "but reason for halting is unknown, hcint "
|
|
+ "0x%08x, intsts 0x%08x\n",
|
|
+ __func__, hc->hc_num, hcint.d32,
|
|
+ dwc_read_reg32(&hcd->core_if->core_global_regs->
|
|
+ gintsts));
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Handles a host channel Channel Halted interrupt.
|
|
+ *
|
|
+ * In slave mode, this handler is called only when the driver specifically
|
|
+ * requests a halt. This occurs during handling other host channel interrupts
|
|
+ * (e.g. nak, xacterr, stall, nyet, etc.).
|
|
+ *
|
|
+ * In DMA mode, this is the interrupt that occurs when the core has finished
|
|
+ * processing a transfer on a channel. Other host channel interrupts (except
|
|
+ * ahberr) are disabled in DMA mode.
|
|
+ */
|
|
+static int32_t handle_hc_chhltd_intr(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_hc *hc,
|
|
+ struct dwc_otg_hc_regs *hc_regs,
|
|
+ struct dwc_otg_qtd *qtd)
|
|
+{
|
|
+ DWC_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
|
|
+ "Channel Halted--\n", hc->hc_num);
|
|
+
|
|
+ if (hcd->core_if->dma_enable) {
|
|
+ handle_hc_chhltd_intr_dma(hcd, hc, hc_regs, qtd);
|
|
+ } else {
|
|
+#ifdef DEBUG
|
|
+ if (!halt_status_ok(hcd, hc, hc_regs, qtd))
|
|
+ return 1;
|
|
+#endif
|
|
+ release_channel(hcd, hc, qtd, hc->halt_status);
|
|
+ }
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+/** Handles interrupt for a specific Host Channel */
|
|
+int32_t dwc_otg_hcd_handle_hc_n_intr(struct dwc_otg_hcd *dwc_otg_hcd,
|
|
+ uint32_t _num)
|
|
+{
|
|
+ int retval = 0;
|
|
+ union hcint_data hcint;
|
|
+ union hcintmsk_data hcintmsk;
|
|
+ struct dwc_hc *hc;
|
|
+ struct dwc_otg_hc_regs *hc_regs;
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCDV, "--Host Channel Interrupt--, Channel %d\n", _num);
|
|
+
|
|
+ hc = dwc_otg_hcd->hc_ptr_array[_num];
|
|
+ hc_regs = dwc_otg_hcd->core_if->host_if->hc_regs[_num];
|
|
+ qtd = list_entry(hc->qh->qtd_list.next, struct dwc_otg_qtd,
|
|
+ qtd_list_entry);
|
|
+
|
|
+ hcint.d32 = dwc_read_reg32(&hc_regs->hcint);
|
|
+ hcintmsk.d32 = dwc_read_reg32(&hc_regs->hcintmsk);
|
|
+ DWC_DEBUGPL(DBG_HCDV,
|
|
+ " hcint 0x%08x, hcintmsk 0x%08x, hcint&hcintmsk 0x%08x\n",
|
|
+ hcint.d32, hcintmsk.d32, (hcint.d32 & hcintmsk.d32));
|
|
+ hcint.d32 = hcint.d32 & hcintmsk.d32;
|
|
+
|
|
+ if (!dwc_otg_hcd->core_if->dma_enable) {
|
|
+ if ((hcint.b.chhltd) && (hcint.d32 != 0x2))
|
|
+ hcint.b.chhltd = 0;
|
|
+ }
|
|
+
|
|
+ if (hcint.b.xfercomp) {
|
|
+ retval |=
|
|
+ handle_hc_xfercomp_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+ /*
|
|
+ * If NYET occurred at same time as Xfer Complete, the NYET is
|
|
+ * handled by the Xfer Complete interrupt handler. Don't want
|
|
+ * to call the NYET interrupt handler in this case.
|
|
+ */
|
|
+ hcint.b.nyet = 0;
|
|
+ }
|
|
+ if (hcint.b.chhltd)
|
|
+ retval |= handle_hc_chhltd_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.ahberr)
|
|
+ retval |= handle_hc_ahberr_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.stall)
|
|
+ retval |= handle_hc_stall_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.nak)
|
|
+ retval |= handle_hc_nak_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.ack)
|
|
+ retval |= handle_hc_ack_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.nyet)
|
|
+ retval |= handle_hc_nyet_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.xacterr)
|
|
+ retval |=
|
|
+ handle_hc_xacterr_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.bblerr)
|
|
+ retval |= handle_hc_babble_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.frmovrun)
|
|
+ retval |=
|
|
+ handle_hc_frmovrun_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ if (hcint.b.datatglerr)
|
|
+ retval |=
|
|
+ handle_hc_datatglerr_intr(dwc_otg_hcd, hc, hc_regs, qtd);
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+#endif /* DWC_DEVICE_ONLY */
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
|
|
new file mode 100644
|
|
index 0000000..e4c96f2
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
|
|
@@ -0,0 +1,695 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+
|
|
+/*
|
|
+ *
|
|
+ * This file contains the functions to manage Queue Heads and Queue
|
|
+ * Transfer Descriptors.
|
|
+ */
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/moduleparam.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/interrupt.h>
|
|
+#include <linux/string.h>
|
|
+
|
|
+#include "dwc_otg_driver.h"
|
|
+#include "dwc_otg_hcd.h"
|
|
+#include "dwc_otg_regs.h"
|
|
+
|
|
+/**
|
|
+ * This function allocates and initializes a QH.
|
|
+ *
|
|
+ * @hcd: The HCD state structure for the DWC OTG controller.
|
|
+ * @urb: Holds the information about the device/endpoint that we need
|
|
+ * to initialize the QH.
|
|
+ *
|
|
+ * Returns Returns pointer to the newly allocated QH, or NULL on error. */
|
|
+struct dwc_otg_qh *dwc_otg_hcd_qh_create(struct dwc_otg_hcd *hcd,
|
|
+ struct urb *urb)
|
|
+{
|
|
+ struct dwc_otg_qh *qh;
|
|
+
|
|
+ /* Allocate memory */
|
|
+ /** @todo add memflags argument */
|
|
+ qh = dwc_otg_hcd_qh_alloc();
|
|
+ if (qh == NULL)
|
|
+ return NULL;
|
|
+
|
|
+ dwc_otg_hcd_qh_init(hcd, qh, urb);
|
|
+ return qh;
|
|
+}
|
|
+
|
|
+/** Free each QTD in the QH's QTD-list then free the QH. QH should already be
|
|
+ * removed from a list. QTD list should already be empty if called from URB
|
|
+ * Dequeue.
|
|
+ *
|
|
+ * @qh: The QH to free.
|
|
+ */
|
|
+void dwc_otg_hcd_qh_free(struct dwc_otg_qh *qh)
|
|
+{
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+ struct list_head *pos;
|
|
+
|
|
+ /* Free each QTD in the QTD list */
|
|
+ for (pos = qh->qtd_list.next;
|
|
+ pos != &qh->qtd_list; pos = qh->qtd_list.next) {
|
|
+ list_del(pos);
|
|
+ qtd = dwc_list_to_qtd(pos);
|
|
+ dwc_otg_hcd_qtd_free(qtd);
|
|
+ }
|
|
+
|
|
+ kfree(qh);
|
|
+ return;
|
|
+}
|
|
+
|
|
+/** Initializes a QH structure.
|
|
+ *
|
|
+ * @hcd: The HCD state structure for the DWC OTG controller.
|
|
+ * @qh: The QH to init.
|
|
+ * @urb: Holds the information about the device/endpoint that we need
|
|
+ * to initialize the QH. */
|
|
+#define SCHEDULE_SLOP 10
|
|
+void dwc_otg_hcd_qh_init(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh,
|
|
+ struct urb *urb)
|
|
+{
|
|
+ memset(qh, 0, sizeof(struct dwc_otg_qh));
|
|
+
|
|
+ /* Initialize QH */
|
|
+ switch (usb_pipetype(urb->pipe)) {
|
|
+ case PIPE_CONTROL:
|
|
+ qh->ep_type = USB_ENDPOINT_XFER_CONTROL;
|
|
+ break;
|
|
+ case PIPE_BULK:
|
|
+ qh->ep_type = USB_ENDPOINT_XFER_BULK;
|
|
+ break;
|
|
+ case PIPE_ISOCHRONOUS:
|
|
+ qh->ep_type = USB_ENDPOINT_XFER_ISOC;
|
|
+ break;
|
|
+ case PIPE_INTERRUPT:
|
|
+ qh->ep_type = USB_ENDPOINT_XFER_INT;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ qh->ep_is_in = usb_pipein(urb->pipe) ? 1 : 0;
|
|
+
|
|
+ qh->data_toggle = DWC_OTG_HC_PID_DATA0;
|
|
+ qh->maxp =
|
|
+ usb_maxpacket(urb->dev, urb->pipe, !(usb_pipein(urb->pipe)));
|
|
+ INIT_LIST_HEAD(&qh->qtd_list);
|
|
+ INIT_LIST_HEAD(&qh->qh_list_entry);
|
|
+ qh->channel = NULL;
|
|
+
|
|
+ /* FS/LS Enpoint on HS Hub
|
|
+ * NOT virtual root hub */
|
|
+ qh->do_split = 0;
|
|
+ if (((urb->dev->speed == USB_SPEED_LOW) ||
|
|
+ (urb->dev->speed == USB_SPEED_FULL)) &&
|
|
+ (urb->dev->tt) && (urb->dev->tt->hub->devnum != 1)) {
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "QH init: EP %d: TT found at hub addr %d, for "
|
|
+ "port %d\n",
|
|
+ usb_pipeendpoint(urb->pipe),
|
|
+ urb->dev->tt->hub->devnum, urb->dev->ttport);
|
|
+ qh->do_split = 1;
|
|
+ }
|
|
+
|
|
+ if (qh->ep_type == USB_ENDPOINT_XFER_INT ||
|
|
+ qh->ep_type == USB_ENDPOINT_XFER_ISOC) {
|
|
+ /* Compute scheduling parameters once and save them. */
|
|
+ union hprt0_data hprt;
|
|
+
|
|
+ /* todo Account for split transfers in the bus time. */
|
|
+ int bytecount =
|
|
+ dwc_hb_mult(qh->maxp) * dwc_max_packet(qh->maxp);
|
|
+ /*
|
|
+ * The results from usb_calc_bus_time are in nanosecs,
|
|
+ * so divide the result by 1000 to convert to
|
|
+ * microsecs expected by this driver
|
|
+ */
|
|
+ qh->usecs = usb_calc_bus_time(urb->dev->speed,
|
|
+ usb_pipein(urb->pipe),
|
|
+ (qh->ep_type ==
|
|
+ USB_ENDPOINT_XFER_ISOC),
|
|
+ bytecount) / 1000;
|
|
+
|
|
+ /* Start in a slightly future (micro)frame. */
|
|
+ qh->sched_frame = dwc_frame_num_inc(hcd->frame_number,
|
|
+ SCHEDULE_SLOP);
|
|
+ qh->interval = urb->interval;
|
|
+#if 0
|
|
+ /* Increase interrupt polling rate for debugging. */
|
|
+ if (qh->ep_type == USB_ENDPOINT_XFER_INT)
|
|
+ qh->interval = 8;
|
|
+#endif
|
|
+ hprt.d32 = dwc_read_reg32(hcd->core_if->host_if->hprt0);
|
|
+ if ((hprt.b.prtspd == DWC_HPRT0_PRTSPD_HIGH_SPEED) &&
|
|
+ ((urb->dev->speed == USB_SPEED_LOW) ||
|
|
+ (urb->dev->speed == USB_SPEED_FULL))) {
|
|
+ qh->interval *= 8;
|
|
+ qh->sched_frame |= 0x7;
|
|
+ qh->start_split_frame = qh->sched_frame;
|
|
+ }
|
|
+
|
|
+ }
|
|
+
|
|
+ DWC_DEBUGPL(DBG_HCD, "DWC OTG HCD QH Initialized\n");
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - qh = %p\n", qh);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Device Address = %d\n",
|
|
+ urb->dev->devnum);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Endpoint %d, %s\n",
|
|
+ usb_pipeendpoint(urb->pipe),
|
|
+ usb_pipein(urb->pipe) == USB_DIR_IN ? "IN" : "OUT");
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Speed = %s\n",
|
|
+ ({
|
|
+ char *speed;
|
|
+ switch (urb->dev->speed) {
|
|
+ case USB_SPEED_LOW:
|
|
+ speed = "low";
|
|
+ break;
|
|
+ case USB_SPEED_FULL:
|
|
+ speed = "full";
|
|
+ break;
|
|
+ case USB_SPEED_HIGH:
|
|
+ speed = "high";
|
|
+ break;
|
|
+ default:
|
|
+ speed = "?";
|
|
+ break;
|
|
+ }
|
|
+ speed;
|
|
+ }));
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - Type = %s\n",
|
|
+ ({
|
|
+ char *type;
|
|
+ switch (qh->ep_type) {
|
|
+ case USB_ENDPOINT_XFER_ISOC:
|
|
+ type = "isochronous";
|
|
+ break;
|
|
+ case USB_ENDPOINT_XFER_INT:
|
|
+ type = "interrupt";
|
|
+ break;
|
|
+ case USB_ENDPOINT_XFER_CONTROL:
|
|
+ type = "control";
|
|
+ break;
|
|
+ case USB_ENDPOINT_XFER_BULK:
|
|
+ type = "bulk";
|
|
+ break;
|
|
+ default:
|
|
+ type = "?";
|
|
+ break;
|
|
+ }
|
|
+ type;
|
|
+ }));
|
|
+#ifdef DEBUG
|
|
+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) {
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - usecs = %d\n",
|
|
+ qh->usecs);
|
|
+ DWC_DEBUGPL(DBG_HCDV, "DWC OTG HCD QH - interval = %d\n",
|
|
+ qh->interval);
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Checks that a channel is available for a periodic transfer.
|
|
+ *
|
|
+ * Returns 0 if successful, negative error code otherise.
|
|
+ */
|
|
+static int periodic_channel_available(struct dwc_otg_hcd *hcd)
|
|
+{
|
|
+ /*
|
|
+ * Currently assuming that there is a dedicated host channnel for each
|
|
+ * periodic transaction plus at least one host channel for
|
|
+ * non-periodic transactions.
|
|
+ */
|
|
+ int status;
|
|
+ int num_channels;
|
|
+
|
|
+ num_channels = hcd->core_if->core_params->host_channels;
|
|
+ if ((hcd->periodic_channels + hcd->non_periodic_channels <
|
|
+ num_channels) && (hcd->periodic_channels < num_channels - 1)) {
|
|
+ status = 0;
|
|
+ } else {
|
|
+ DWC_NOTICE
|
|
+ ("%s: Total channels: %d, Periodic: %d, Non-periodic: %d\n",
|
|
+ __func__, num_channels, hcd->periodic_channels,
|
|
+ hcd->non_periodic_channels);
|
|
+ status = -ENOSPC;
|
|
+ }
|
|
+
|
|
+ return status;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Checks that there is sufficient bandwidth for the specified QH in the
|
|
+ * periodic schedule. For simplicity, this calculation assumes that all the
|
|
+ * transfers in the periodic schedule may occur in the same (micro)frame.
|
|
+ *
|
|
+ * @hcd: The HCD state structure for the DWC OTG controller.
|
|
+ * @qh: QH containing periodic bandwidth required.
|
|
+ *
|
|
+ * Returns 0 if successful, negative error code otherwise.
|
|
+ */
|
|
+static int check_periodic_bandwidth(struct dwc_otg_hcd *hcd,
|
|
+ struct dwc_otg_qh *qh)
|
|
+{
|
|
+ int status;
|
|
+ uint16_t max_claimed_usecs;
|
|
+
|
|
+ status = 0;
|
|
+
|
|
+ if (hcd->core_if->core_params->speed == DWC_SPEED_PARAM_HIGH) {
|
|
+ /*
|
|
+ * High speed mode.
|
|
+ * Max periodic usecs is 80% x 125 usec = 100 usec.
|
|
+ */
|
|
+ max_claimed_usecs = 100 - qh->usecs;
|
|
+ } else {
|
|
+ /*
|
|
+ * Full speed mode.
|
|
+ * Max periodic usecs is 90% x 1000 usec = 900 usec.
|
|
+ */
|
|
+ max_claimed_usecs = 900 - qh->usecs;
|
|
+ }
|
|
+
|
|
+ if (hcd->periodic_usecs > max_claimed_usecs) {
|
|
+ DWC_NOTICE("%s: already claimed usecs %d, required usecs %d\n",
|
|
+ __func__, hcd->periodic_usecs, qh->usecs);
|
|
+ status = -ENOSPC;
|
|
+ }
|
|
+
|
|
+ return status;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Checks that the max transfer size allowed in a host channel is large enough
|
|
+ * to handle the maximum data transfer in a single (micro)frame for a periodic
|
|
+ * transfer.
|
|
+ *
|
|
+ * @hcd: The HCD state structure for the DWC OTG controller.
|
|
+ * @qh: QH for a periodic endpoint.
|
|
+ *
|
|
+ * Returns 0 if successful, negative error code otherwise.
|
|
+ */
|
|
+static int check_max_xfer_size(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh)
|
|
+{
|
|
+ int status;
|
|
+ uint32_t max_xfer_size;
|
|
+ uint32_t max_channel_xfer_size;
|
|
+
|
|
+ status = 0;
|
|
+
|
|
+ max_xfer_size = dwc_max_packet(qh->maxp) * dwc_hb_mult(qh->maxp);
|
|
+ max_channel_xfer_size = hcd->core_if->core_params->max_transfer_size;
|
|
+
|
|
+ if (max_xfer_size > max_channel_xfer_size) {
|
|
+ DWC_NOTICE("%s: Periodic xfer length %d > "
|
|
+ "max xfer length for channel %d\n",
|
|
+ __func__, max_xfer_size, max_channel_xfer_size);
|
|
+ status = -ENOSPC;
|
|
+ }
|
|
+
|
|
+ return status;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Schedules an interrupt or isochronous transfer in the periodic schedule.
|
|
+ *
|
|
+ * @hcd: The HCD state structure for the DWC OTG controller.
|
|
+ * @qh: QH for the periodic transfer. The QH should already contain the
|
|
+ * scheduling information.
|
|
+ *
|
|
+ * Returns 0 if successful, negative error code otherwise.
|
|
+ */
|
|
+static int schedule_periodic(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh)
|
|
+{
|
|
+ int status = 0;
|
|
+
|
|
+ status = periodic_channel_available(hcd);
|
|
+ if (status) {
|
|
+ DWC_NOTICE("%s: No host channel available for periodic "
|
|
+ "transfer.\n", __func__);
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ status = check_periodic_bandwidth(hcd, qh);
|
|
+ if (status) {
|
|
+ DWC_NOTICE("%s: Insufficient periodic bandwidth for "
|
|
+ "periodic transfer.\n", __func__);
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ status = check_max_xfer_size(hcd, qh);
|
|
+ if (status) {
|
|
+ DWC_NOTICE("%s: Channel max transfer size too small "
|
|
+ "for periodic transfer.\n", __func__);
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ /* Always start in the inactive schedule. */
|
|
+ list_add_tail(&qh->qh_list_entry, &hcd->periodic_sched_inactive);
|
|
+
|
|
+ /* Reserve the periodic channel. */
|
|
+ hcd->periodic_channels++;
|
|
+
|
|
+ /* Update claimed usecs per (micro)frame. */
|
|
+ hcd->periodic_usecs += qh->usecs;
|
|
+
|
|
+ /*
|
|
+ * Update average periodic bandwidth claimed and # periodic
|
|
+ * reqs for usbfs.
|
|
+ */
|
|
+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_allocated +=
|
|
+ qh->usecs / qh->interval;
|
|
+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) {
|
|
+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_int_reqs++;
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "Scheduled intr: qh %p, usecs %d, period %d\n", qh,
|
|
+ qh->usecs, qh->interval);
|
|
+ } else {
|
|
+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_isoc_reqs++;
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "Scheduled isoc: qh %p, usecs %d, period %d\n", qh,
|
|
+ qh->usecs, qh->interval);
|
|
+ }
|
|
+
|
|
+ return status;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function adds a QH to either the non periodic or periodic schedule if
|
|
+ * it is not already in the schedule. If the QH is already in the schedule, no
|
|
+ * action is taken.
|
|
+ *
|
|
+ * Returns 0 if successful, negative error code otherwise.
|
|
+ */
|
|
+int dwc_otg_hcd_qh_add(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh)
|
|
+{
|
|
+ int status = 0;
|
|
+
|
|
+ if (!spin_is_locked(&hcd->global_lock)) {
|
|
+ pr_err("%s don't have hcd->global_lock", __func__);
|
|
+ BUG();
|
|
+ }
|
|
+
|
|
+ if (!list_empty(&qh->qh_list_entry)) {
|
|
+ /* QH already in a schedule. */
|
|
+ goto done;
|
|
+ }
|
|
+
|
|
+ /* Add the new QH to the appropriate schedule */
|
|
+ if (dwc_qh_is_non_per(qh)) {
|
|
+ /* Always start in the inactive schedule. */
|
|
+ list_add_tail(&qh->qh_list_entry,
|
|
+ &hcd->non_periodic_sched_inactive);
|
|
+ } else {
|
|
+ status = schedule_periodic(hcd, qh);
|
|
+ }
|
|
+
|
|
+done:
|
|
+ return status;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Removes an interrupt or isochronous transfer from the periodic schedule.
|
|
+ *
|
|
+ * @hcd: The HCD state structure for the DWC OTG controller.
|
|
+ * @qh: QH for the periodic transfer.
|
|
+ */
|
|
+static void deschedule_periodic(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh)
|
|
+{
|
|
+ list_del_init(&qh->qh_list_entry);
|
|
+
|
|
+ /* Release the periodic channel reservation. */
|
|
+ hcd->periodic_channels--;
|
|
+
|
|
+ /* Update claimed usecs per (micro)frame. */
|
|
+ hcd->periodic_usecs -= qh->usecs;
|
|
+
|
|
+ /*
|
|
+ * Update average periodic bandwidth claimed and # periodic
|
|
+ * reqs for usbfs.
|
|
+ */
|
|
+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_allocated -=
|
|
+ qh->usecs / qh->interval;
|
|
+
|
|
+ if (qh->ep_type == USB_ENDPOINT_XFER_INT) {
|
|
+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_int_reqs--;
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "Descheduled intr: qh %p, usecs %d, period %d\n",
|
|
+ qh, qh->usecs, qh->interval);
|
|
+ } else {
|
|
+ hcd_to_bus(dwc_otg_hcd_to_hcd(hcd))->bandwidth_isoc_reqs--;
|
|
+ DWC_DEBUGPL(DBG_HCD,
|
|
+ "Descheduled isoc: qh %p, usecs %d, period %d\n",
|
|
+ qh, qh->usecs, qh->interval);
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Removes a QH from either the non-periodic or periodic schedule. Memory is
|
|
+ * not freed.
|
|
+ *
|
|
+ * @hcd: The HCD state structure.
|
|
+ * @qh: QH to remove from schedule. */
|
|
+void dwc_otg_hcd_qh_remove(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh)
|
|
+{
|
|
+ if (!spin_is_locked(&hcd->global_lock)) {
|
|
+ pr_err("%s don't have hcd->global_lock", __func__);
|
|
+ BUG();
|
|
+ }
|
|
+
|
|
+ if (list_empty(&qh->qh_list_entry)) {
|
|
+ /* QH is not in a schedule. */
|
|
+ goto done;
|
|
+ }
|
|
+
|
|
+ if (dwc_qh_is_non_per(qh)) {
|
|
+ if (hcd->non_periodic_qh_ptr == &qh->qh_list_entry) {
|
|
+ hcd->non_periodic_qh_ptr =
|
|
+ hcd->non_periodic_qh_ptr->next;
|
|
+ }
|
|
+ list_del_init(&qh->qh_list_entry);
|
|
+ } else {
|
|
+ deschedule_periodic(hcd, qh);
|
|
+ }
|
|
+
|
|
+done:
|
|
+ ;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Deactivates a QH. For non-periodic QHs, removes the QH from the active
|
|
+ * non-periodic schedule. The QH is added to the inactive non-periodic
|
|
+ * schedule if any QTDs are still attached to the QH.
|
|
+ *
|
|
+ * For periodic QHs, the QH is removed from the periodic queued schedule. If
|
|
+ * there are any QTDs still attached to the QH, the QH is added to either the
|
|
+ * periodic inactive schedule or the periodic ready schedule and its next
|
|
+ * scheduled frame is calculated. The QH is placed in the ready schedule if
|
|
+ * the scheduled frame has been reached already. Otherwise it's placed in the
|
|
+ * inactive schedule. If there are no QTDs attached to the QH, the QH is
|
|
+ * completely removed from the periodic schedule.
|
|
+ */
|
|
+void dwc_otg_hcd_qh_deactivate(struct dwc_otg_hcd *hcd, struct dwc_otg_qh *qh,
|
|
+ int sched_next_periodic_split)
|
|
+{
|
|
+ uint16_t frame_number;
|
|
+
|
|
+ if (!spin_is_locked(&hcd->global_lock)) {
|
|
+ pr_err("%s don't have hcd->global_lock", __func__);
|
|
+ BUG();
|
|
+ }
|
|
+
|
|
+ if (dwc_qh_is_non_per(qh)) {
|
|
+ dwc_otg_hcd_qh_remove(hcd, qh);
|
|
+ if (!list_empty(&qh->qtd_list))
|
|
+ /* Add back to inactive non-periodic schedule. */
|
|
+ dwc_otg_hcd_qh_add(hcd, qh);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ frame_number = dwc_otg_hcd_get_frame_number(dwc_otg_hcd_to_hcd(hcd));
|
|
+
|
|
+ if (qh->do_split) {
|
|
+ /* Schedule the next continuing periodic split transfer */
|
|
+ if (sched_next_periodic_split) {
|
|
+
|
|
+ qh->sched_frame = frame_number;
|
|
+ if (dwc_frame_num_le(frame_number,
|
|
+ dwc_frame_num_inc(qh->start_split_frame,
|
|
+ 1))) {
|
|
+ /*
|
|
+ * Allow one frame to elapse after
|
|
+ * start split microframe before
|
|
+ * scheduling complete split, but DONT
|
|
+ * if we are doing the next start
|
|
+ * split in the same frame for an ISOC
|
|
+ * out.
|
|
+ */
|
|
+ if ((qh->ep_type != USB_ENDPOINT_XFER_ISOC)
|
|
+ || (qh->ep_is_in != 0)) {
|
|
+ qh->sched_frame =
|
|
+ dwc_frame_num_inc(qh->sched_frame,
|
|
+ 1);
|
|
+ }
|
|
+ }
|
|
+ } else {
|
|
+ qh->sched_frame =
|
|
+ dwc_frame_num_inc(qh->start_split_frame,
|
|
+ qh->interval);
|
|
+ if (dwc_frame_num_le(qh->sched_frame, frame_number))
|
|
+ qh->sched_frame = frame_number;
|
|
+
|
|
+ qh->sched_frame |= 0x7;
|
|
+ qh->start_split_frame = qh->sched_frame;
|
|
+ }
|
|
+ } else {
|
|
+ qh->sched_frame = dwc_frame_num_inc(qh->sched_frame,
|
|
+ qh->interval);
|
|
+ if (dwc_frame_num_le(qh->sched_frame, frame_number))
|
|
+ qh->sched_frame = frame_number;
|
|
+ }
|
|
+
|
|
+ if (list_empty(&qh->qtd_list)) {
|
|
+ dwc_otg_hcd_qh_remove(hcd, qh);
|
|
+ } else {
|
|
+ /*
|
|
+ * Remove from periodic_sched_queued and move to
|
|
+ * appropriate queue.
|
|
+ */
|
|
+ if (qh->sched_frame == frame_number) {
|
|
+ list_move(&qh->qh_list_entry,
|
|
+ &hcd->periodic_sched_ready);
|
|
+ } else {
|
|
+ list_move(&qh->qh_list_entry,
|
|
+ &hcd->periodic_sched_inactive);
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function allocates and initializes a QTD.
|
|
+ *
|
|
+ * @urb: The URB to create a QTD from. Each URB-QTD pair will end up
|
|
+ * pointing to each other so each pair should have a unique correlation.
|
|
+ *
|
|
+ * Returns Returns pointer to the newly allocated QTD, or NULL on error. */
|
|
+struct dwc_otg_qtd *dwc_otg_hcd_qtd_create(struct urb *urb)
|
|
+{
|
|
+ struct dwc_otg_qtd *qtd;
|
|
+
|
|
+ qtd = dwc_otg_hcd_qtd_alloc();
|
|
+ if (qtd == NULL)
|
|
+ return NULL;
|
|
+
|
|
+ dwc_otg_hcd_qtd_init(qtd, urb);
|
|
+ return qtd;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * Initializes a QTD structure.
|
|
+ *
|
|
+ * @qtd: The QTD to initialize.
|
|
+ * @urb: The URB to use for initialization.
|
|
+ */
|
|
+void dwc_otg_hcd_qtd_init(struct dwc_otg_qtd *qtd, struct urb *urb)
|
|
+{
|
|
+ memset(qtd, 0, sizeof(struct dwc_otg_qtd));
|
|
+ qtd->urb = urb;
|
|
+ if (usb_pipecontrol(urb->pipe)) {
|
|
+ /*
|
|
+ * The only time the QTD data toggle is used is on the data
|
|
+ * phase of control transfers. This phase always starts with
|
|
+ * DATA1.
|
|
+ */
|
|
+ qtd->data_toggle = DWC_OTG_HC_PID_DATA1;
|
|
+ qtd->control_phase = DWC_OTG_CONTROL_SETUP;
|
|
+ }
|
|
+
|
|
+ /* start split */
|
|
+ qtd->complete_split = 0;
|
|
+ qtd->isoc_split_pos = DWC_HCSPLIT_XACTPOS_ALL;
|
|
+ qtd->isoc_split_offset = 0;
|
|
+
|
|
+ /* Store the qtd ptr in the urb to reference what QTD. */
|
|
+ urb->hcpriv = qtd;
|
|
+ return;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function adds a QTD to the QTD-list of a QH. It will find the correct
|
|
+ * QH to place the QTD into. If it does not find a QH, then it will create a
|
|
+ * new QH. If the QH to which the QTD is added is not currently scheduled, it
|
|
+ * is placed into the proper schedule based on its EP type.
|
|
+ *
|
|
+ * @qtd: The QTD to add
|
|
+ * @dwc_otg_hcd: The DWC HCD structure
|
|
+ *
|
|
+ * Returns 0 if successful, negative error code otherwise.
|
|
+ */
|
|
+int dwc_otg_hcd_qtd_add(struct dwc_otg_qtd *qtd,
|
|
+ struct dwc_otg_hcd *dwc_otg_hcd)
|
|
+{
|
|
+ struct usb_host_endpoint *ep;
|
|
+ struct dwc_otg_qh *qh;
|
|
+ int retval = 0;
|
|
+
|
|
+ struct urb *urb = qtd->urb;
|
|
+
|
|
+ /*
|
|
+ * Get the QH which holds the QTD-list to insert to. Create QH if it
|
|
+ * doesn't exist.
|
|
+ */
|
|
+ ep = dwc_urb_to_endpoint(urb);
|
|
+ qh = ep->hcpriv;
|
|
+ if (qh == NULL) {
|
|
+ qh = dwc_otg_hcd_qh_create(dwc_otg_hcd, urb);
|
|
+ if (qh == NULL) {
|
|
+ retval = -ENOMEM;
|
|
+ goto done;
|
|
+ }
|
|
+ ep->hcpriv = qh;
|
|
+ }
|
|
+ qtd->qh = qh;
|
|
+ retval = dwc_otg_hcd_qh_add(dwc_otg_hcd, qh);
|
|
+ if (retval == 0)
|
|
+ list_add_tail(&qtd->qtd_list_entry, &qh->qtd_list);
|
|
+done:
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+#endif /* DWC_DEVICE_ONLY */
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_octeon.c b/drivers/usb/host/dwc_otg/dwc_otg_octeon.c
|
|
new file mode 100644
|
|
index 0000000..5e92b3c
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_octeon.c
|
|
@@ -0,0 +1,1078 @@
|
|
+/* ==========================================================================
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/moduleparam.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/stat.h> /* permission constants */
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/io.h>
|
|
+
|
|
+#include "dwc_otg_plat.h"
|
|
+#include "dwc_otg_attr.h"
|
|
+#include "dwc_otg_driver.h"
|
|
+#include "dwc_otg_cil.h"
|
|
+#ifndef DWC_HOST_ONLY
|
|
+#include "dwc_otg_pcd.h"
|
|
+#endif
|
|
+#include "dwc_otg_hcd.h"
|
|
+
|
|
+#define DWC_DRIVER_VERSION "2.40a 10-APR-2006"
|
|
+#define DWC_DRIVER_DESC "HS OTG USB Controller driver"
|
|
+
|
|
+static const char dwc_driver_name[] = "dwc_otg";
|
|
+int dwc_errata_write_count; /* See dwc_otg_plat.h, dwc_write_reg32 */
|
|
+
|
|
+/*-------------------------------------------------------------------------*/
|
|
+/* Encapsulate the module parameter settings */
|
|
+
|
|
+static struct dwc_otg_core_params dwc_otg_module_params = {
|
|
+ .opt = -1,
|
|
+ .otg_cap = -1,
|
|
+ .dma_enable = -1,
|
|
+ .dma_burst_size = -1,
|
|
+ .speed = -1,
|
|
+ .host_support_fs_ls_low_power = -1,
|
|
+ .host_ls_low_power_phy_clk = -1,
|
|
+ .enable_dynamic_fifo = -1,
|
|
+ .data_fifo_size = -1,
|
|
+ .dev_rx_fifo_size = -1,
|
|
+ .dev_nperio_tx_fifo_size = -1,
|
|
+ .dev_perio_tx_fifo_size = {-1, /* dev_perio_tx_fifo_size_1 */
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1,
|
|
+ -1}, /* 15 */
|
|
+ .host_rx_fifo_size = -1,
|
|
+ .host_nperio_tx_fifo_size = -1,
|
|
+ .host_perio_tx_fifo_size = -1,
|
|
+ .max_transfer_size = -1,
|
|
+ .max_packet_count = -1,
|
|
+ .host_channels = -1,
|
|
+ .dev_endpoints = -1,
|
|
+ .phy_type = -1,
|
|
+ .phy_utmi_width = -1,
|
|
+ .phy_ulpi_ddr = -1,
|
|
+ .phy_ulpi_ext_vbus = -1,
|
|
+ .i2c_enable = -1,
|
|
+ .ulpi_fs_ls = -1,
|
|
+ .ts_dline = -1,
|
|
+};
|
|
+
|
|
+/**
|
|
+ * Global Debug Level Mask.
|
|
+ */
|
|
+uint32_t g_dbg_lvl; /* 0 -> OFF */
|
|
+
|
|
+/**
|
|
+ * This function shows the Driver Version.
|
|
+ */
|
|
+static ssize_t version_show(struct device_driver *dev, char *buf)
|
|
+{
|
|
+ return snprintf(buf, sizeof(DWC_DRIVER_VERSION) + 2, "%s\n",
|
|
+ DWC_DRIVER_VERSION);
|
|
+}
|
|
+
|
|
+static DRIVER_ATTR(version, S_IRUGO, version_show, NULL);
|
|
+
|
|
+/**
|
|
+ * This function is called during module intialization to verify that
|
|
+ * the module parameters are in a valid state.
|
|
+ */
|
|
+static int check_parameters(struct dwc_otg_core_if *core_if)
|
|
+{
|
|
+ int i;
|
|
+ int retval = 0;
|
|
+
|
|
+/* Checks if the parameter is outside of its valid range of values */
|
|
+#define DWC_OTG_PARAM_TEST(_param_, _low_, _high_) \
|
|
+ ((dwc_otg_module_params._param_ < (_low_)) || \
|
|
+ (dwc_otg_module_params._param_ > (_high_)))
|
|
+
|
|
+/* If the parameter has been set by the user, check that the parameter value is
|
|
+ * within the value range of values. If not, report a module error. */
|
|
+#define DWC_OTG_PARAM_ERR(_param_, _low_, _high_, _string_) \
|
|
+ do { \
|
|
+ if (dwc_otg_module_params._param_ != -1) { \
|
|
+ if (DWC_OTG_PARAM_TEST(_param_, (_low_), (_high_))) { \
|
|
+ DWC_ERROR("`%d' invalid for parameter `%s'\n", \
|
|
+ dwc_otg_module_params._param_, _string_); \
|
|
+ dwc_otg_module_params._param_ = dwc_param_##_param_##_default; \
|
|
+ retval++; \
|
|
+ } \
|
|
+ } \
|
|
+ } while (0)
|
|
+
|
|
+ DWC_OTG_PARAM_ERR(opt, 0, 1, "opt");
|
|
+ DWC_OTG_PARAM_ERR(otg_cap, 0, 2, "otg_cap");
|
|
+ DWC_OTG_PARAM_ERR(dma_enable, 0, 1, "dma_enable");
|
|
+ DWC_OTG_PARAM_ERR(speed, 0, 1, "speed");
|
|
+ DWC_OTG_PARAM_ERR(host_support_fs_ls_low_power, 0, 1,
|
|
+ "host_support_fs_ls_low_power");
|
|
+ DWC_OTG_PARAM_ERR(host_ls_low_power_phy_clk, 0, 1,
|
|
+ "host_ls_low_power_phy_clk");
|
|
+ DWC_OTG_PARAM_ERR(enable_dynamic_fifo, 0, 1, "enable_dynamic_fifo");
|
|
+ DWC_OTG_PARAM_ERR(data_fifo_size, 32, 32768, "data_fifo_size");
|
|
+ DWC_OTG_PARAM_ERR(dev_rx_fifo_size, 16, 32768, "dev_rx_fifo_size");
|
|
+ DWC_OTG_PARAM_ERR(dev_nperio_tx_fifo_size, 16, 32768,
|
|
+ "dev_nperio_tx_fifo_size");
|
|
+ DWC_OTG_PARAM_ERR(host_rx_fifo_size, 16, 32768, "host_rx_fifo_size");
|
|
+ DWC_OTG_PARAM_ERR(host_nperio_tx_fifo_size, 16, 32768,
|
|
+ "host_nperio_tx_fifo_size");
|
|
+ DWC_OTG_PARAM_ERR(host_perio_tx_fifo_size, 16, 32768,
|
|
+ "host_perio_tx_fifo_size");
|
|
+ DWC_OTG_PARAM_ERR(max_transfer_size, 2047, 524288, "max_transfer_size");
|
|
+ DWC_OTG_PARAM_ERR(max_packet_count, 15, 511, "max_packet_count");
|
|
+ DWC_OTG_PARAM_ERR(host_channels, 1, 16, "host_channels");
|
|
+ DWC_OTG_PARAM_ERR(dev_endpoints, 1, 15, "dev_endpoints");
|
|
+ DWC_OTG_PARAM_ERR(phy_type, 0, 2, "phy_type");
|
|
+ DWC_OTG_PARAM_ERR(phy_ulpi_ddr, 0, 1, "phy_ulpi_ddr");
|
|
+ DWC_OTG_PARAM_ERR(phy_ulpi_ext_vbus, 0, 1, "phy_ulpi_ext_vbus");
|
|
+ DWC_OTG_PARAM_ERR(i2c_enable, 0, 1, "i2c_enable");
|
|
+ DWC_OTG_PARAM_ERR(ulpi_fs_ls, 0, 1, "ulpi_fs_ls");
|
|
+ DWC_OTG_PARAM_ERR(ts_dline, 0, 1, "ts_dline");
|
|
+
|
|
+ if (dwc_otg_module_params.dma_burst_size != -1) {
|
|
+ if (DWC_OTG_PARAM_TEST(dma_burst_size, 1, 1) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 4, 4) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 8, 8) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 16, 16) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 32, 32) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 64, 64) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 128, 128) &&
|
|
+ DWC_OTG_PARAM_TEST(dma_burst_size, 256, 256)) {
|
|
+ DWC_ERROR
|
|
+ ("`%d' invalid for parameter `dma_burst_size'\n",
|
|
+ dwc_otg_module_params.dma_burst_size);
|
|
+ dwc_otg_module_params.dma_burst_size = 32;
|
|
+ retval++;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (dwc_otg_module_params.phy_utmi_width != -1) {
|
|
+ if (DWC_OTG_PARAM_TEST(phy_utmi_width, 8, 8) &&
|
|
+ DWC_OTG_PARAM_TEST(phy_utmi_width, 16, 16)) {
|
|
+ DWC_ERROR
|
|
+ ("`%d' invalid for parameter `phy_utmi_width'\n",
|
|
+ dwc_otg_module_params.phy_utmi_width);
|
|
+ dwc_otg_module_params.phy_utmi_width = 16;
|
|
+ retval++;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < 15; i++) {
|
|
+ /* @todo should be like above */
|
|
+ if (dwc_otg_module_params.dev_perio_tx_fifo_size[i] !=
|
|
+ (unsigned)-1) {
|
|
+ if (DWC_OTG_PARAM_TEST
|
|
+ (dev_perio_tx_fifo_size[i], 4, 768)) {
|
|
+ DWC_ERROR
|
|
+ ("`%d' invalid for parameter `%s_%d'\n",
|
|
+ dwc_otg_module_params.
|
|
+ dev_perio_tx_fifo_size[i],
|
|
+ "dev_perio_tx_fifo_size", i);
|
|
+ dwc_otg_module_params.
|
|
+ dev_perio_tx_fifo_size[i] =
|
|
+ dwc_param_dev_perio_tx_fifo_size_default;
|
|
+ retval++;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* At this point, all module parameters that have been set by the user
|
|
+ * are valid, and those that have not are left unset. Now set their
|
|
+ * default values and/or check the parameters against the hardware
|
|
+ * configurations of the OTG core. */
|
|
+
|
|
+/* This sets the parameter to the default value if it has not been set by the
|
|
+ * user */
|
|
+#define PARAM_SET_DEFAULT(_param_) \
|
|
+ ({ \
|
|
+ int changed = 1; \
|
|
+ if (dwc_otg_module_params._param_ == -1) { \
|
|
+ changed = 0; \
|
|
+ dwc_otg_module_params._param_ = dwc_param_##_param_##_default; \
|
|
+ } \
|
|
+ changed; \
|
|
+ })
|
|
+
|
|
+/* This checks the macro agains the hardware configuration to see if it is
|
|
+ * valid. It is possible that the default value could be invalid. In this
|
|
+ * case, it will report a module error if the user touched the parameter.
|
|
+ * Otherwise it will adjust the value without any error. */
|
|
+#define PARAM_CHECK_VALID(_param_, _str_, _is_valid_, _set_valid_) \
|
|
+ ({ \
|
|
+ int changed = PARAM_SET_DEFAULT(_param_); \
|
|
+ int error = 0; \
|
|
+ if (!(_is_valid_)) { \
|
|
+ if (changed) { \
|
|
+ DWC_ERROR("`%d' invalid for parameter `%s'. Check HW configuration.\n", dwc_otg_module_params._param_, _str_); \
|
|
+ error = 1; \
|
|
+ } \
|
|
+ dwc_otg_module_params._param_ = (_set_valid_); \
|
|
+ } \
|
|
+ error; \
|
|
+ })
|
|
+
|
|
+ /* OTG Cap */
|
|
+ retval += PARAM_CHECK_VALID(otg_cap, "otg_cap",
|
|
+ ({
|
|
+ int valid;
|
|
+ valid = 1;
|
|
+ switch (dwc_otg_module_params.otg_cap) {
|
|
+ case DWC_OTG_CAP_PARAM_HNP_SRP_CAPABLE:
|
|
+ if (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG)
|
|
+ valid = 0;
|
|
+ break;
|
|
+ case DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE:
|
|
+ if ((core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG)
|
|
+ && (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG)
|
|
+ && (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE)
|
|
+ && (core_if->hwcfg2.b.op_mode != DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST))
|
|
+ valid = 0;
|
|
+ break;
|
|
+ case DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE:
|
|
+ /* always valid */
|
|
+ break;
|
|
+ }
|
|
+ valid;
|
|
+ }),
|
|
+ (((core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG)
|
|
+ || (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG)
|
|
+ || (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE)
|
|
+ || (core_if->hwcfg2.b.op_mode == DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST))
|
|
+ ?
|
|
+ DWC_OTG_CAP_PARAM_SRP_ONLY_CAPABLE : DWC_OTG_CAP_PARAM_NO_HNP_SRP_CAPABLE));
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(dma_enable, "dma_enable",
|
|
+ ((dwc_otg_module_params.
|
|
+ dma_enable == 1)
|
|
+ && (core_if->hwcfg2.b.
|
|
+ architecture == 0)) ? 0 : 1,
|
|
+ 0);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(opt, "opt", 1, 0);
|
|
+
|
|
+ PARAM_SET_DEFAULT(dma_burst_size);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(host_support_fs_ls_low_power,
|
|
+ "host_support_fs_ls_low_power",
|
|
+ 1, 0);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(enable_dynamic_fifo,
|
|
+ "enable_dynamic_fifo",
|
|
+ ((dwc_otg_module_params.enable_dynamic_fifo == 0)
|
|
+ || (core_if->hwcfg2.b.dynamic_fifo == 1)), 0);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(data_fifo_size,
|
|
+ "data_fifo_size",
|
|
+ dwc_otg_module_params.data_fifo_size <= core_if->hwcfg3.b.dfifo_depth,
|
|
+ core_if->hwcfg3.b.dfifo_depth);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(dev_rx_fifo_size,
|
|
+ "dev_rx_fifo_size",
|
|
+ (dwc_otg_module_params.dev_rx_fifo_size <=
|
|
+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz)),
|
|
+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz));
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(dev_nperio_tx_fifo_size,
|
|
+ "dev_nperio_tx_fifo_size",
|
|
+ dwc_otg_module_params.dev_nperio_tx_fifo_size <=
|
|
+ (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16),
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(host_rx_fifo_size,
|
|
+ "host_rx_fifo_size",
|
|
+ dwc_otg_module_params.host_rx_fifo_size <=
|
|
+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz),
|
|
+ dwc_read_reg32(&core_if->core_global_regs->grxfsiz));
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(host_nperio_tx_fifo_size,
|
|
+ "host_nperio_tx_fifo_size",
|
|
+ dwc_otg_module_params.host_nperio_tx_fifo_size <=
|
|
+ (dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16),
|
|
+ dwc_read_reg32(&core_if->core_global_regs->gnptxfsiz) >> 16);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(host_perio_tx_fifo_size,
|
|
+ "host_perio_tx_fifo_size",
|
|
+ dwc_otg_module_params.host_perio_tx_fifo_size <=
|
|
+ (dwc_read_reg32(&core_if->core_global_regs->hptxfsiz) >> 16),
|
|
+ (dwc_read_reg32(&core_if->core_global_regs->hptxfsiz) >> 16));
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(max_transfer_size,
|
|
+ "max_transfer_size",
|
|
+ dwc_otg_module_params.max_transfer_size <
|
|
+ (1 << (core_if->hwcfg3.b.xfer_size_cntr_width + 11)),
|
|
+ (1 << (core_if->hwcfg3.b.xfer_size_cntr_width + 11)) - 1);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(max_packet_count,
|
|
+ "max_packet_count",
|
|
+ dwc_otg_module_params.max_packet_count <
|
|
+ (1 << (core_if->hwcfg3.b.packet_size_cntr_width + 4)),
|
|
+ (1 << (core_if->hwcfg3.b.packet_size_cntr_width + 4)) - 1);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(host_channels,
|
|
+ "host_channels",
|
|
+ dwc_otg_module_params.host_channels <= (core_if->hwcfg2.b.num_host_chan + 1),
|
|
+ core_if->hwcfg2.b.num_host_chan + 1);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(dev_endpoints,
|
|
+ "dev_endpoints",
|
|
+ dwc_otg_module_params.dev_endpoints <= core_if->hwcfg2.b.num_dev_ep,
|
|
+ core_if->hwcfg2.b.num_dev_ep);
|
|
+
|
|
+/*
|
|
+ * Define the following to disable the FS PHY Hardware checking. This is for
|
|
+ * internal testing only.
|
|
+ *
|
|
+ * #define NO_FS_PHY_HW_CHECKS
|
|
+ */
|
|
+
|
|
+#ifdef NO_FS_PHY_HW_CHECKS
|
|
+ retval += PARAM_CHECK_VALID(phy_type, "phy_type", 1, 0);
|
|
+#else
|
|
+ retval += PARAM_CHECK_VALID(phy_type, "phy_type",
|
|
+ ({
|
|
+ int valid = 0;
|
|
+ if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_UTMI) && ((core_if->hwcfg2.b.hs_phy_type == 1) || (core_if->hwcfg2.b.hs_phy_type == 3)))
|
|
+ valid = 1;
|
|
+ else if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_ULPI) && ((core_if->hwcfg2.b.hs_phy_type == 2) || (core_if->hwcfg2.b.hs_phy_type == 3)))
|
|
+ valid = 1;
|
|
+ else if ((dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) && (core_if->hwcfg2.b.fs_phy_type == 1))
|
|
+ valid = 1;
|
|
+ valid;
|
|
+ }),
|
|
+ ({
|
|
+ int set = DWC_PHY_TYPE_PARAM_FS;
|
|
+ if (core_if->hwcfg2.b.hs_phy_type) {
|
|
+ if ((core_if->hwcfg2.b.hs_phy_type == 3)
|
|
+ || (core_if->hwcfg2.b.hs_phy_type == 1))
|
|
+ set = DWC_PHY_TYPE_PARAM_UTMI;
|
|
+ else
|
|
+ set = DWC_PHY_TYPE_PARAM_ULPI;
|
|
+ }
|
|
+ set;
|
|
+ }));
|
|
+#endif
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(speed, "speed",
|
|
+ dwc_otg_module_params.speed == 0
|
|
+ && (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? 0 : 1,
|
|
+ dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS ? 1 : 0);
|
|
+
|
|
+ retval += PARAM_CHECK_VALID(host_ls_low_power_phy_clk,
|
|
+ "host_ls_low_power_phy_clk",
|
|
+ dwc_otg_module_params.host_ls_low_power_phy_clk == DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ
|
|
+ && (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ? 0 : 1,
|
|
+ (dwc_otg_module_params.phy_type == DWC_PHY_TYPE_PARAM_FS) ?
|
|
+ DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_6MHZ : DWC_HOST_LS_LOW_POWER_PHY_CLK_PARAM_48MHZ);
|
|
+
|
|
+ PARAM_SET_DEFAULT(phy_ulpi_ddr);
|
|
+ PARAM_SET_DEFAULT(phy_ulpi_ext_vbus);
|
|
+ PARAM_SET_DEFAULT(phy_utmi_width);
|
|
+ PARAM_SET_DEFAULT(ulpi_fs_ls);
|
|
+ PARAM_SET_DEFAULT(ts_dline);
|
|
+
|
|
+#ifdef NO_FS_PHY_HW_CHECKS
|
|
+ retval += PARAM_CHECK_VALID(i2c_enable, "i2c_enable", 1, 0);
|
|
+#else
|
|
+ retval += PARAM_CHECK_VALID(i2c_enable, "i2c_enable",
|
|
+ dwc_otg_module_params.i2c_enable == 1
|
|
+ && (core_if->hwcfg3.b.i2c == 0) ? 0 : 1, 0);
|
|
+#endif
|
|
+
|
|
+ for (i = 0; i < 15; i++) {
|
|
+
|
|
+ int changed = 1;
|
|
+ int error = 0;
|
|
+
|
|
+ if (dwc_otg_module_params.dev_perio_tx_fifo_size[i] == -1) {
|
|
+ changed = 0;
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] =
|
|
+ dwc_param_dev_perio_tx_fifo_size_default;
|
|
+ }
|
|
+ if (!
|
|
+ (dwc_otg_module_params.dev_perio_tx_fifo_size[i] <=
|
|
+ (dwc_read_reg32(&core_if->core_global_regs->dptxfsiz[i])))) {
|
|
+ if (changed) {
|
|
+ DWC_ERROR("`%d' invalid for parameter "
|
|
+ "`dev_perio_fifo_size_%d'. "
|
|
+ "Check HW configuration.\n",
|
|
+ dwc_otg_module_params.
|
|
+ dev_perio_tx_fifo_size[i], i);
|
|
+ error = 1;
|
|
+ }
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[i] =
|
|
+ dwc_read_reg32(&core_if->core_global_regs->
|
|
+ dptxfsiz[i]);
|
|
+ }
|
|
+ retval += error;
|
|
+ }
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function is the top level interrupt handler for the Common
|
|
+ * (Device and host modes) interrupts.
|
|
+ */
|
|
+static irqreturn_t dwc_otg_common_irq(int _irq, void *_dev)
|
|
+{
|
|
+ struct dwc_otg_device *otg_dev = _dev;
|
|
+ int32_t retval = IRQ_NONE;
|
|
+ unsigned long flags;
|
|
+
|
|
+ spin_lock_irqsave(&otg_dev->hcd->global_lock, flags);
|
|
+
|
|
+ retval = dwc_otg_handle_common_intr(otg_dev->core_if);
|
|
+
|
|
+ spin_unlock_irqrestore(&otg_dev->hcd->global_lock, flags);
|
|
+
|
|
+ return IRQ_RETVAL(retval);
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function is called when a device is unregistered with the
|
|
+ * dwc_otg_driver. This happens, for example, when the rmmod command is
|
|
+ * executed. The device may or may not be electrically present. If it is
|
|
+ * present, the driver stops device processing. Any resources used on behalf
|
|
+ * of this device are freed.
|
|
+ *
|
|
+ * @dev:
|
|
+ */
|
|
+static int dwc_otg_driver_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct device *dev = &pdev->dev;
|
|
+ struct dwc_otg_device *otg_dev = dev->platform_data;
|
|
+ DWC_DEBUGPL(DBG_ANY, "%s(%p)\n", __func__, dev);
|
|
+
|
|
+ if (otg_dev == NULL)
|
|
+ /* Memory allocation for the dwc_otg_device failed. */
|
|
+ return -ENOMEM;
|
|
+
|
|
+ /*
|
|
+ * Free the IRQ
|
|
+ */
|
|
+ if (otg_dev->common_irq_installed)
|
|
+ free_irq(platform_get_irq(to_platform_device(dev), 0), otg_dev);
|
|
+
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+ if (otg_dev->hcd != NULL)
|
|
+ dwc_otg_hcd_remove(dev);
|
|
+#endif
|
|
+
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ if (otg_dev->pcd != NULL)
|
|
+ dwc_otg_pcd_remove(dev);
|
|
+#endif
|
|
+ if (otg_dev->core_if != NULL)
|
|
+ dwc_otg_cil_remove(otg_dev->core_if);
|
|
+
|
|
+ /*
|
|
+ * Remove the device attributes
|
|
+ */
|
|
+ dwc_otg_attr_remove(dev);
|
|
+
|
|
+ /*
|
|
+ * Clear the platform_data pointer.
|
|
+ */
|
|
+ dev->platform_data = 0;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This function is called when an device is bound to a
|
|
+ * dwc_otg_driver. It creates the driver components required to
|
|
+ * control the device (CIL, HCD, and PCD) and it initializes the
|
|
+ * device. The driver components are stored in a dwc_otg_device
|
|
+ * structure. A reference to the dwc_otg_device is saved in the
|
|
+ * device. This allows the driver to access the dwc_otg_device
|
|
+ * structure on subsequent calls to driver methods for this device.
|
|
+ *
|
|
+ * @dev: device definition
|
|
+ */
|
|
+static __devinit int dwc_otg_driver_probe(struct platform_device *pdev)
|
|
+{
|
|
+ struct resource *res_base;
|
|
+ struct device *dev = &pdev->dev;
|
|
+ struct dwc_otg_device *dwc_otg_device;
|
|
+ int32_t snpsid;
|
|
+ unsigned long flags;
|
|
+ int irq;
|
|
+ int retval;
|
|
+
|
|
+ dev_dbg(dev, "dwc_otg_driver_probe(%p)\n", dev);
|
|
+
|
|
+ dwc_otg_device = devm_kzalloc(&pdev->dev,
|
|
+ sizeof(struct dwc_otg_device),
|
|
+ GFP_KERNEL);
|
|
+ if (!dwc_otg_device) {
|
|
+ dev_err(dev, "kmalloc of dwc_otg_device failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+ dwc_otg_device->reg_offset = 0xFFFFFFFF;
|
|
+
|
|
+ /*
|
|
+ * Map the DWC_otg Core memory into virtual address space.
|
|
+ */
|
|
+ res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ if (!res_base)
|
|
+ goto err_ports;
|
|
+
|
|
+ dwc_otg_device->base =
|
|
+ devm_ioremap_nocache(&pdev->dev,
|
|
+ res_base->start,
|
|
+ res_base->end - res_base->start);
|
|
+
|
|
+ if (!dwc_otg_device->base)
|
|
+ goto err_ports;
|
|
+
|
|
+ dev_dbg(dev, "base=%p\n", dwc_otg_device->base);
|
|
+
|
|
+ /*
|
|
+ * Attempt to ensure this device is really a DWC_otg Controller.
|
|
+ * Read and verify the SNPSID register contents. The value should be
|
|
+ * 0x45F42XXX, which corresponds to "OT2", as in "OTG version 2.XX".
|
|
+ */
|
|
+ snpsid =
|
|
+ dwc_read_reg32((uint32_t *) ((uint8_t *) dwc_otg_device->base +
|
|
+ 0x40));
|
|
+ if ((snpsid & 0xFFFFF000) != 0x4F542000) {
|
|
+ dev_err(dev, "Bad value for SNPSID: 0x%08x\n", snpsid);
|
|
+ goto err_ports;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Initialize driver data to point to the global DWC_otg
|
|
+ * Device structure.
|
|
+ */
|
|
+ dev->platform_data = dwc_otg_device;
|
|
+ dev_dbg(dev, "dwc_otg_device=0x%p\n", dwc_otg_device);
|
|
+
|
|
+ dwc_otg_device->core_if = dwc_otg_cil_init(dwc_otg_device->base,
|
|
+ &dwc_otg_module_params);
|
|
+ if (dwc_otg_device->core_if == 0) {
|
|
+ dev_err(dev, "CIL initialization failed!\n");
|
|
+ goto err_ports;
|
|
+ }
|
|
+ dwc_otg_device->core_if->usb_num = to_platform_device(dev)->id;
|
|
+
|
|
+ /*
|
|
+ * Validate parameter values.
|
|
+ */
|
|
+ if (check_parameters(dwc_otg_device->core_if) != 0)
|
|
+ goto err_ports;
|
|
+
|
|
+ /*
|
|
+ * Create Device Attributes in sysfs
|
|
+ */
|
|
+ dwc_otg_attr_create(dev);
|
|
+
|
|
+ /*
|
|
+ * Disable the global interrupt until all the interrupt
|
|
+ * handlers are installed.
|
|
+ */
|
|
+ dwc_otg_disable_global_interrupts(dwc_otg_device->core_if);
|
|
+ /*
|
|
+ * Install the interrupt handler for the common interrupts before
|
|
+ * enabling common interrupts in core_init below.
|
|
+ */
|
|
+ irq = platform_get_irq(to_platform_device(dev), 0);
|
|
+ DWC_DEBUGPL(DBG_CIL, "registering (common) handler for irq%d\n", irq);
|
|
+ retval = request_irq(irq, dwc_otg_common_irq,
|
|
+ IRQF_SHARED, "dwc_otg", dwc_otg_device);
|
|
+ if (retval != 0) {
|
|
+ DWC_ERROR("request of irq%d failed\n", irq);
|
|
+ goto err_ports;
|
|
+ } else {
|
|
+ dwc_otg_device->common_irq_installed = 1;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Initialize the DWC_otg core.
|
|
+ */
|
|
+ dwc_otg_core_init(dwc_otg_device->core_if);
|
|
+
|
|
+#ifndef DWC_HOST_ONLY
|
|
+ /*
|
|
+ * Initialize the PCD
|
|
+ */
|
|
+ retval = dwc_otg_pcd_init(dev);
|
|
+ if (retval != 0) {
|
|
+ DWC_ERROR("dwc_otg_pcd_init failed\n");
|
|
+ dwc_otg_device->pcd = NULL;
|
|
+ goto err_ports;
|
|
+ }
|
|
+#endif
|
|
+#ifndef DWC_DEVICE_ONLY
|
|
+ /*
|
|
+ * Initialize the HCD
|
|
+ */
|
|
+ retval = dwc_otg_hcd_init(dev);
|
|
+ if (retval != 0) {
|
|
+ DWC_ERROR("dwc_otg_hcd_init failed\n");
|
|
+ dwc_otg_device->hcd = NULL;
|
|
+ goto err_ports;
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ /*
|
|
+ * Enable the global interrupt after all the interrupt
|
|
+ * handlers are installed.
|
|
+ */
|
|
+ local_irq_save(flags);
|
|
+ dwc_otg_enable_global_interrupts(dwc_otg_device->core_if);
|
|
+ local_irq_restore(flags);
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err_ports:
|
|
+ devm_kfree(&pdev->dev, dwc_otg_device);
|
|
+ return -ENOENT;
|
|
+}
|
|
+
|
|
+/**
|
|
+ * This structure defines the methods to be called by a bus driver
|
|
+ * during the lifecycle of a device on that bus. Both drivers and
|
|
+ * devices are registered with a bus driver. The bus driver matches
|
|
+ * devices to drivers based on information in the device and driver
|
|
+ * structures.
|
|
+ *
|
|
+ * The probe function is called when the bus driver matches a device
|
|
+ * to this driver. The remove function is called when a device is
|
|
+ * unregistered with the bus driver.
|
|
+ */
|
|
+static struct platform_driver dwc_otg_driver = {
|
|
+ .probe = dwc_otg_driver_probe,
|
|
+ .remove = dwc_otg_driver_remove,
|
|
+ .driver = {
|
|
+ .name = dwc_driver_name,
|
|
+ .owner = THIS_MODULE},
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This function is called when the dwc_otg_driver is installed with the
|
|
+ * insmod command. It registers the dwc_otg_driver structure with the
|
|
+ * appropriate bus driver. This will cause the dwc_otg_driver_probe function
|
|
+ * to be called. In addition, the bus driver will automatically expose
|
|
+ * attributes defined for the device and driver in the special sysfs file
|
|
+ * system.
|
|
+ *
|
|
+ * Returns
|
|
+ */
|
|
+static int __init dwc_otg_driver_init(void)
|
|
+{
|
|
+ int retval;
|
|
+
|
|
+ pr_info("%s: version %s\n", dwc_driver_name, DWC_DRIVER_VERSION);
|
|
+
|
|
+ /* Though core was configured for external dma override that with slave
|
|
+ mode only for CN31XX. DMA is broken in this chip */
|
|
+ if (OCTEON_IS_MODEL(OCTEON_CN31XX))
|
|
+ dwc_otg_module_params.dma_enable = 0;
|
|
+
|
|
+ retval = platform_driver_register(&dwc_otg_driver);
|
|
+
|
|
+ if (retval < 0) {
|
|
+ pr_err("%s retval=%d\n", __func__, retval);
|
|
+ return retval;
|
|
+ }
|
|
+ if (driver_create_file(&dwc_otg_driver.driver, &driver_attr_version))
|
|
+ pr_warning("DWC_OTG: Failed to create driver version file\n");
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+module_init(dwc_otg_driver_init);
|
|
+
|
|
+/**
|
|
+ * This function is called when the driver is removed from the kernel
|
|
+ * with the rmmod command. The driver unregisters itself with its bus
|
|
+ * driver.
|
|
+ *
|
|
+ */
|
|
+static void __exit dwc_otg_driver_cleanup(void)
|
|
+{
|
|
+ printk(KERN_DEBUG "dwc_otg_driver_cleanup()\n");
|
|
+
|
|
+ driver_remove_file(&dwc_otg_driver.driver, &driver_attr_version);
|
|
+
|
|
+ platform_driver_unregister(&dwc_otg_driver);
|
|
+
|
|
+ printk(KERN_INFO "%s module removed\n", dwc_driver_name);
|
|
+}
|
|
+module_exit(dwc_otg_driver_cleanup);
|
|
+
|
|
+MODULE_DESCRIPTION(DWC_DRIVER_DESC);
|
|
+MODULE_AUTHOR("Synopsys Inc.");
|
|
+MODULE_LICENSE("GPL");
|
|
+
|
|
+module_param_named(otg_cap, dwc_otg_module_params.otg_cap, int, 0444);
|
|
+MODULE_PARM_DESC(otg_cap, "OTG Capabilities 0=HNP&SRP 1=SRP Only 2=None");
|
|
+module_param_named(opt, dwc_otg_module_params.opt, int, 0444);
|
|
+MODULE_PARM_DESC(opt, "OPT Mode");
|
|
+module_param_named(dma_enable, dwc_otg_module_params.dma_enable, int, 0444);
|
|
+MODULE_PARM_DESC(dma_enable, "DMA Mode 0=Slave 1=DMA enabled");
|
|
+module_param_named(dma_burst_size, dwc_otg_module_params.dma_burst_size, int,
|
|
+ 0444);
|
|
+MODULE_PARM_DESC(dma_burst_size,
|
|
+ "DMA Burst Size 1, 4, 8, 16, 32, 64, 128, 256");
|
|
+module_param_named(speed, dwc_otg_module_params.speed, int, 0444);
|
|
+MODULE_PARM_DESC(speed, "Speed 0=High Speed 1=Full Speed");
|
|
+module_param_named(host_support_fs_ls_low_power,
|
|
+ dwc_otg_module_params.host_support_fs_ls_low_power, int,
|
|
+ 0444);
|
|
+MODULE_PARM_DESC(host_support_fs_ls_low_power,
|
|
+ "Support Low Power w/FS or LS 0=Support 1=Don't Support");
|
|
+module_param_named(host_ls_low_power_phy_clk,
|
|
+ dwc_otg_module_params.host_ls_low_power_phy_clk, int, 0444);
|
|
+MODULE_PARM_DESC(host_ls_low_power_phy_clk,
|
|
+ "Low Speed Low Power Clock 0=48Mhz 1=6Mhz");
|
|
+module_param_named(enable_dynamic_fifo,
|
|
+ dwc_otg_module_params.enable_dynamic_fifo, int, 0444);
|
|
+MODULE_PARM_DESC(enable_dynamic_fifo, "0=cC Setting 1=Allow Dynamic Sizing");
|
|
+module_param_named(data_fifo_size, dwc_otg_module_params.data_fifo_size, int,
|
|
+ 0444);
|
|
+MODULE_PARM_DESC(data_fifo_size,
|
|
+ "Total number of words in the data FIFO memory 32-32768");
|
|
+module_param_named(dev_rx_fifo_size, dwc_otg_module_params.dev_rx_fifo_size,
|
|
+ int, 0444);
|
|
+MODULE_PARM_DESC(dev_rx_fifo_size, "Number of words in the Rx FIFO 16-32768");
|
|
+module_param_named(dev_nperio_tx_fifo_size,
|
|
+ dwc_otg_module_params.dev_nperio_tx_fifo_size, int, 0444);
|
|
+MODULE_PARM_DESC(dev_nperio_tx_fifo_size,
|
|
+ "Number of words in the non-periodic Tx FIFO 16-32768");
|
|
+module_param_named(dev_perio_tx_fifo_size_1,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[0], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_1,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_2,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[1], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_2,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_3,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[2], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_3,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_4,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[3], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_4,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_5,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[4], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_5,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_6,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[5], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_6,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_7,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[6], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_7,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_8,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[7], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_8,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_9,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[8], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_9,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_10,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[9], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_10,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_11,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[10], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_11,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_12,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[11], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_12,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_13,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[12], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_13,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_14,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[13], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_14,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(dev_perio_tx_fifo_size_15,
|
|
+ dwc_otg_module_params.dev_perio_tx_fifo_size[14], int, 0444);
|
|
+MODULE_PARM_DESC(dev_perio_tx_fifo_size_15,
|
|
+ "Number of words in the periodic Tx FIFO 4-768");
|
|
+module_param_named(host_rx_fifo_size, dwc_otg_module_params.host_rx_fifo_size,
|
|
+ int, 0444);
|
|
+MODULE_PARM_DESC(host_rx_fifo_size, "Number of words in the Rx FIFO 16-32768");
|
|
+module_param_named(host_nperio_tx_fifo_size,
|
|
+ dwc_otg_module_params.host_nperio_tx_fifo_size, int, 0444);
|
|
+MODULE_PARM_DESC(host_nperio_tx_fifo_size,
|
|
+ "Number of words in the non-periodic Tx FIFO 16-32768");
|
|
+module_param_named(host_perio_tx_fifo_size,
|
|
+ dwc_otg_module_params.host_perio_tx_fifo_size, int, 0444);
|
|
+MODULE_PARM_DESC(host_perio_tx_fifo_size,
|
|
+ "Number of words in the host periodic Tx FIFO 16-32768");
|
|
+module_param_named(max_transfer_size, dwc_otg_module_params.max_transfer_size,
|
|
+ int, 0444);
|
|
+/** @todo Set the max to 512K, modify checks */
|
|
+MODULE_PARM_DESC(max_transfer_size,
|
|
+ "The maximum transfer size supported in bytes 2047-65535");
|
|
+module_param_named(max_packet_count, dwc_otg_module_params.max_packet_count,
|
|
+ int, 0444);
|
|
+MODULE_PARM_DESC(max_packet_count,
|
|
+ "The maximum number of packets in a transfer 15-511");
|
|
+module_param_named(host_channels, dwc_otg_module_params.host_channels, int,
|
|
+ 0444);
|
|
+MODULE_PARM_DESC(host_channels,
|
|
+ "The number of host channel registers to use 1-16");
|
|
+module_param_named(dev_endpoints, dwc_otg_module_params.dev_endpoints, int,
|
|
+ 0444);
|
|
+MODULE_PARM_DESC(dev_endpoints,
|
|
+ "The number of endpoints in addition to EP0 available "
|
|
+ "for device mode 1-15");
|
|
+module_param_named(phy_type, dwc_otg_module_params.phy_type, int, 0444);
|
|
+MODULE_PARM_DESC(phy_type, "0=Reserved 1=UTMI+ 2=ULPI");
|
|
+module_param_named(phy_utmi_width, dwc_otg_module_params.phy_utmi_width, int,
|
|
+ 0444);
|
|
+MODULE_PARM_DESC(phy_utmi_width, "Specifies the UTMI+ Data Width 8 or 16 bits");
|
|
+module_param_named(phy_ulpi_ddr, dwc_otg_module_params.phy_ulpi_ddr, int, 0444);
|
|
+MODULE_PARM_DESC(phy_ulpi_ddr,
|
|
+ "ULPI at double or single data rate 0=Single 1=Double");
|
|
+module_param_named(phy_ulpi_ext_vbus, dwc_otg_module_params.phy_ulpi_ext_vbus,
|
|
+ int, 0444);
|
|
+MODULE_PARM_DESC(phy_ulpi_ext_vbus,
|
|
+ "ULPI PHY using internal or external vbus 0=Internal");
|
|
+module_param_named(i2c_enable, dwc_otg_module_params.i2c_enable, int, 0444);
|
|
+MODULE_PARM_DESC(i2c_enable, "FS PHY Interface");
|
|
+module_param_named(ulpi_fs_ls, dwc_otg_module_params.ulpi_fs_ls, int, 0444);
|
|
+MODULE_PARM_DESC(ulpi_fs_ls, "ULPI PHY FS/LS mode only");
|
|
+module_param_named(ts_dline, dwc_otg_module_params.ts_dline, int, 0444);
|
|
+MODULE_PARM_DESC(ts_dline, "Term select Dline pulsing for all PHYs");
|
|
+module_param_named(debug, g_dbg_lvl, int, 0644);
|
|
+MODULE_PARM_DESC(debug, "");
|
|
+
|
|
+/** @page "Module Parameters"
|
|
+ *
|
|
+ * The following parameters may be specified when starting the module.
|
|
+ * These parameters define how the DWC_otg controller should be
|
|
+ * configured. Parameter values are passed to the CIL initialization
|
|
+ * function dwc_otg_cil_init
|
|
+ *
|
|
+ * Example: <code>modprobe dwc_otg speed=1 otg_cap=1</code>
|
|
+ *
|
|
+
|
|
+ <table>
|
|
+ <tr><td>Parameter Name</td><td>Meaning</td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>otg_cap</td>
|
|
+ <td>Specifies the OTG capabilities. The driver will automatically detect the
|
|
+ value for this parameter if none is specified.
|
|
+ - 0: HNP and SRP capable (default, if available)
|
|
+ - 1: SRP Only capable
|
|
+ - 2: No HNP/SRP capable
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>dma_enable</td>
|
|
+ <td>Specifies whether to use slave or DMA mode for accessing the data FIFOs.
|
|
+ The driver will automatically detect the value for this parameter if none is
|
|
+ specified.
|
|
+ - 0: Slave
|
|
+ - 1: DMA (default, if available)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>dma_burst_size</td>
|
|
+ <td>The DMA Burst size (applicable only for External DMA Mode).
|
|
+ - Values: 1, 4, 8 16, 32, 64, 128, 256 (default 32)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>speed</td>
|
|
+ <td>Specifies the maximum speed of operation in host and device mode. The
|
|
+ actual speed depends on the speed of the attached device and the value of
|
|
+ phy_type.
|
|
+ - 0: High Speed (default)
|
|
+ - 1: Full Speed
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>host_support_fs_ls_low_power</td>
|
|
+ <td>Specifies whether low power mode is supported when attached to a Full
|
|
+ Speed or Low Speed device in host mode.
|
|
+ - 0: Don't support low power mode (default)
|
|
+ - 1: Support low power mode
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>host_ls_low_power_phy_clk</td>
|
|
+ <td>Specifies the PHY clock rate in low power mode when connected to a Low
|
|
+ Speed device in host mode. This parameter is applicable only if
|
|
+ HOST_SUPPORT_FS_LS_LOW_POWER is enabled.
|
|
+ - 0: 48 MHz (default)
|
|
+ - 1: 6 MHz
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>enable_dynamic_fifo</td>
|
|
+ <td> Specifies whether FIFOs may be resized by the driver software.
|
|
+ - 0: Use cC FIFO size parameters
|
|
+ - 1: Allow dynamic FIFO sizing (default)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>data_fifo_size</td>
|
|
+ <td>Total number of 4-byte words in the data FIFO memory. This memory
|
|
+ includes the Rx FIFO, non-periodic Tx FIFO, and periodic Tx FIFOs.
|
|
+ - Values: 32 to 32768 (default 8192)
|
|
+
|
|
+ Note: The total FIFO memory depth in the FPGA configuration is 8192.
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>dev_rx_fifo_size</td>
|
|
+ <td>Number of 4-byte words in the Rx FIFO in device mode when dynamic
|
|
+ FIFO sizing is enabled.
|
|
+ - Values: 16 to 32768 (default 1064)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>dev_nperio_tx_fifo_size</td>
|
|
+ <td>Number of 4-byte words in the non-periodic Tx FIFO in device mode when
|
|
+ dynamic FIFO sizing is enabled.
|
|
+ - Values: 16 to 32768 (default 1024)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>dev_perio_tx_fifo_size_n (n = 1 to 15)</td>
|
|
+ <td>Number of 4-byte words in each of the periodic Tx FIFOs in device mode
|
|
+ when dynamic FIFO sizing is enabled.
|
|
+ - Values: 4 to 768 (default 256)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>host_rx_fifo_size</td>
|
|
+ <td>Number of 4-byte words in the Rx FIFO in host mode when dynamic FIFO
|
|
+ sizing is enabled.
|
|
+ - Values: 16 to 32768 (default 1024)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>host_nperio_tx_fifo_size</td>
|
|
+ <td>Number of 4-byte words in the non-periodic Tx FIFO in host mode when
|
|
+ dynamic FIFO sizing is enabled in the core.
|
|
+ - Values: 16 to 32768 (default 1024)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>host_perio_tx_fifo_size</td>
|
|
+ <td>Number of 4-byte words in the host periodic Tx FIFO when dynamic FIFO
|
|
+ sizing is enabled.
|
|
+ - Values: 16 to 32768 (default 1024)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>max_transfer_size</td>
|
|
+ <td>The maximum transfer size supported in bytes.
|
|
+ - Values: 2047 to 65,535 (default 65,535)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>max_packet_count</td>
|
|
+ <td>The maximum number of packets in a transfer.
|
|
+ - Values: 15 to 511 (default 511)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>host_channels</td>
|
|
+ <td>The number of host channel registers to use.
|
|
+ - Values: 1 to 16 (default 12)
|
|
+
|
|
+ Note: The FPGA configuration supports a maximum of 12 host channels.
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>dev_endpoints</td>
|
|
+ <td>The number of endpoints in addition to EP0 available for device mode
|
|
+ operations.
|
|
+ - Values: 1 to 15 (default 6 IN and OUT)
|
|
+
|
|
+ Note: The FPGA configuration supports a maximum of 6 IN and OUT endpoints in
|
|
+ addition to EP0.
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>phy_type</td>
|
|
+ <td>Specifies the type of PHY interface to use. By default, the driver will
|
|
+ automatically detect the phy_type.
|
|
+ - 0: Full Speed
|
|
+ - 1: UTMI+ (default, if available)
|
|
+ - 2: ULPI
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>phy_utmi_width</td>
|
|
+ <td>Specifies the UTMI+ Data Width. This parameter is applicable for a
|
|
+ phy_type of UTMI+. Also, this parameter is applicable only if the
|
|
+ OTG_HSPHY_WIDTH cC parameter was set to "8 and 16 bits", meaning that the
|
|
+ core has been configured to work at either data path width.
|
|
+ - Values: 8 or 16 bits (default 16)
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>phy_ulpi_ddr</td>
|
|
+ <td>Specifies whether the ULPI operates at double or single data rate. This
|
|
+ parameter is only applicable if phy_type is ULPI.
|
|
+ - 0: single data rate ULPI interface with 8 bit wide data bus (default)
|
|
+ - 1: double data rate ULPI interface with 4 bit wide data bus
|
|
+ </td></tr>
|
|
+
|
|
+ <tr>
|
|
+ <td>i2c_enable</td>
|
|
+ <td>Specifies whether to use the I2C interface for full speed PHY. This
|
|
+ parameter is only applicable if PHY_TYPE is FS.
|
|
+ - 0: Disabled (default)
|
|
+ - 1: Enabled
|
|
+ </td></tr>
|
|
+
|
|
+*/
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_plat.h b/drivers/usb/host/dwc_otg/dwc_otg_plat.h
|
|
new file mode 100644
|
|
index 0000000..93ef282
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_plat.h
|
|
@@ -0,0 +1,236 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+#if !defined(__DWC_OTG_PLAT_H__)
|
|
+#define __DWC_OTG_PLAT_H__
|
|
+
|
|
+#include <linux/types.h>
|
|
+#include <linux/slab.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/delay.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/io.h>
|
|
+
|
|
+#include <asm/octeon/octeon.h>
|
|
+#include <asm/octeon/cvmx-usbnx-defs.h>
|
|
+
|
|
+#define SZ_256K 0x00040000
|
|
+#ifndef CONFIG_64BIT
|
|
+#define OCTEON_USB_BASE_ADDRESS 0x80016F0010000000ull
|
|
+#endif
|
|
+
|
|
+/**
|
|
+ * @file
|
|
+ *
|
|
+ * This file contains the Platform Specific constants, interfaces
|
|
+ * (functions and macros) for Linux.
|
|
+ *
|
|
+ */
|
|
+
|
|
+/**
|
|
+ * Reads the content of a register.
|
|
+ *
|
|
+ * @_reg: address of register to read.
|
|
+ * Returns contents of the register.
|
|
+ *
|
|
+
|
|
+ * Usage:<br>
|
|
+ * <code>uint32_t dev_ctl = dwc_read_reg32(&dev_regs->dctl);</code>
|
|
+ */
|
|
+static inline uint32_t dwc_read_reg32(uint32_t *_reg)
|
|
+{
|
|
+ uint32_t result;
|
|
+ /* USB device registers on Octeon are 32bit address swapped */
|
|
+#ifdef CONFIG_64BIT
|
|
+ uint64_t address = (unsigned long)_reg ^ 4;
|
|
+#else
|
|
+ uint64_t address = OCTEON_USB_BASE_ADDRESS | ((unsigned long)_reg ^ 4);
|
|
+#endif
|
|
+ result = cvmx_read64_uint32(address);
|
|
+ return result;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * Writes a register with a 32 bit value.
|
|
+ *
|
|
+ * @_reg: address of register to read.
|
|
+ * @_value: to write to _reg.
|
|
+ *
|
|
+ * Usage:<br>
|
|
+ * <code>dwc_write_reg32(&dev_regs->dctl, 0); </code>
|
|
+ */
|
|
+static inline void dwc_write_reg32(uint32_t *_reg,
|
|
+ const uint32_t _value)
|
|
+{
|
|
+ /* USB device registers on Octeon are 32bit address swapped */
|
|
+#ifdef CONFIG_64BIT
|
|
+ uint64_t address = (unsigned long)_reg ^ 4;
|
|
+#else
|
|
+ uint64_t address = OCTEON_USB_BASE_ADDRESS | ((unsigned long)_reg ^ 4);
|
|
+#endif
|
|
+ wmb();
|
|
+ cvmx_write64_uint32(address, _value);
|
|
+
|
|
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
|
|
+ /* O2P/O1P pass 1 bug workaround: A read must occur for at least
|
|
+ every 3rd write to insure that the writes do not overrun the
|
|
+ USBN. */
|
|
+ if (OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN30XX)) {
|
|
+ extern int dwc_errata_write_count;
|
|
+ if (++dwc_errata_write_count > 2) {
|
|
+ cvmx_read_csr(CVMX_USBNX_DMA0_INB_CHN0(0));
|
|
+ dwc_errata_write_count = 0;
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This function modifies bit values in a register. Using the
|
|
+ * algorithm: (reg_contents & ~clear_mask) | set_mask.
|
|
+ *
|
|
+ * @_reg: address of register to read.
|
|
+ * @_clear_mask: bit mask to be cleared.
|
|
+ * @_set_mask: bit mask to be set.
|
|
+ *
|
|
+ * Usage:<br>
|
|
+ * <code> // Clear the SOF Interrupt Mask bit and <br>
|
|
+ * // set the OTG Interrupt mask bit, leaving all others as they were.
|
|
+ * dwc_modify_reg32(&dev_regs->gintmsk, DWC_SOF_INT, DWC_OTG_INT);</code>
|
|
+ */
|
|
+static inline void dwc_modify_reg32(uint32_t *_reg,
|
|
+ const uint32_t _clear_mask,
|
|
+ const uint32_t _set_mask)
|
|
+{
|
|
+ uint32_t value = dwc_read_reg32(_reg);
|
|
+ value &= ~_clear_mask;
|
|
+ value |= _set_mask;
|
|
+ dwc_write_reg32(_reg, value);
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Debugging support vanishes in non-debug builds.
|
|
+ */
|
|
+
|
|
+/**
|
|
+ * The Debug Level bit-mask variable.
|
|
+ */
|
|
+extern uint32_t g_dbg_lvl;
|
|
+/**
|
|
+ * Set the Debug Level variable.
|
|
+ */
|
|
+static inline uint32_t SET_DEBUG_LEVEL(const uint32_t _new)
|
|
+{
|
|
+ uint32_t old = g_dbg_lvl;
|
|
+ g_dbg_lvl = _new;
|
|
+ return old;
|
|
+}
|
|
+
|
|
+/** When debug level has the DBG_CIL bit set, display CIL Debug messages. */
|
|
+#define DBG_CIL (0x2)
|
|
+/** When debug level has the DBG_CILV bit set, display CIL Verbose debug
|
|
+ * messages */
|
|
+#define DBG_CILV (0x20)
|
|
+/** When debug level has the DBG_PCD bit set, display PCD (Device) debug
|
|
+ * messages */
|
|
+#define DBG_PCD (0x4)
|
|
+/** When debug level has the DBG_PCDV set, display PCD (Device) Verbose debug
|
|
+ * messages */
|
|
+#define DBG_PCDV (0x40)
|
|
+/** When debug level has the DBG_HCD bit set, display Host debug messages */
|
|
+#define DBG_HCD (0x8)
|
|
+/** When debug level has the DBG_HCDV bit set, display Verbose Host debug
|
|
+ * messages */
|
|
+#define DBG_HCDV (0x80)
|
|
+/** When debug level has the DBG_HCD_URB bit set, display enqueued URBs in host
|
|
+ * mode. */
|
|
+#define DBG_HCD_URB (0x800)
|
|
+
|
|
+/** When debug level has any bit set, display debug messages */
|
|
+#define DBG_ANY (0xFF)
|
|
+
|
|
+/** All debug messages off */
|
|
+#define DBG_OFF 0
|
|
+
|
|
+/** Prefix string for DWC_DEBUG print macros. */
|
|
+#define USB_DWC "DWC_otg: "
|
|
+
|
|
+/**
|
|
+ * Print a debug message when the Global debug level variable contains
|
|
+ * the bit defined in <code>lvl</code>.
|
|
+ *
|
|
+ * @lvl: - Debug level, use one of the DBG_ constants above.
|
|
+ * @x: - like printf
|
|
+ *
|
|
+ * Example:<p>
|
|
+ * <code>
|
|
+ * DWC_DEBUGPL( DBG_ANY, "%s(%p)\n", __func__, _reg_base_addr);
|
|
+ * </code>
|
|
+ * <br>
|
|
+ * results in:<br>
|
|
+ * <code>
|
|
+ * usb-DWC_otg: dwc_otg_cil_init(ca867000)
|
|
+ * </code>
|
|
+ */
|
|
+#ifdef DEBUG
|
|
+
|
|
+# define DWC_DEBUGPL(lvl, x...) \
|
|
+ do { \
|
|
+ if ((lvl)&g_dbg_lvl) \
|
|
+ printk(KERN_DEBUG USB_DWC x); \
|
|
+ } while (0)
|
|
+# define DWC_DEBUGP(x...) DWC_DEBUGPL(DBG_ANY, x)
|
|
+
|
|
+# define CHK_DEBUG_LEVEL(level) ((level) & g_dbg_lvl)
|
|
+
|
|
+#else
|
|
+
|
|
+# define DWC_DEBUGPL(lvl, x...) do { } while (0)
|
|
+# define DWC_DEBUGP(x...)
|
|
+
|
|
+# define CHK_DEBUG_LEVEL(level) (0)
|
|
+
|
|
+#endif /*DEBUG*/
|
|
+/*
|
|
+ * Print an Error message.
|
|
+ */
|
|
+#define DWC_ERROR(x...) printk(KERN_ERR USB_DWC x)
|
|
+/*
|
|
+ * Print a Warning message.
|
|
+ */
|
|
+#define DWC_WARN(x...) printk(KERN_WARNING USB_DWC x)
|
|
+/*
|
|
+ * Print a notice (normal but significant message).
|
|
+ */
|
|
+#define DWC_NOTICE(x...) printk(KERN_NOTICE USB_DWC x)
|
|
+/*
|
|
+ * Basic message printing.
|
|
+ */
|
|
+#define DWC_PRINT(x...) printk(KERN_INFO USB_DWC x)
|
|
+#endif
|
|
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_regs.h b/drivers/usb/host/dwc_otg/dwc_otg_regs.h
|
|
new file mode 100644
|
|
index 0000000..34cc4f7
|
|
--- /dev/null
|
|
+++ b/drivers/usb/host/dwc_otg/dwc_otg_regs.h
|
|
@@ -0,0 +1,2355 @@
|
|
+/* ==========================================================================
|
|
+ *
|
|
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
|
|
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
|
|
+ * otherwise expressly agreed to in writing between Synopsys and you.
|
|
+ *
|
|
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
|
|
+ * any End User Software License Agreement or Agreement for Licensed Product
|
|
+ * with Synopsys or any supplement thereto. You are permitted to use and
|
|
+ * redistribute this Software in source and binary forms, with or without
|
|
+ * modification, provided that redistributions of source code must retain this
|
|
+ * notice. You may not view, use, disclose, copy or distribute this file or
|
|
+ * any information contained herein except pursuant to this license grant from
|
|
+ * Synopsys. If you do not agree with this notice, including the disclaimer
|
|
+ * below, then you are not authorized to use the Software.
|
|
+ *
|
|
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
|
|
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
|
|
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
+ * DAMAGE.
|
|
+ * ========================================================================== */
|
|
+
|
|
+#ifndef __DWC_OTG_REGS_H__
|
|
+#define __DWC_OTG_REGS_H__
|
|
+
|
|
+/*
|
|
+ *
|
|
+ * This file contains the data structures for accessing the DWC_otg
|
|
+ * core registers.
|
|
+ *
|
|
+ * The application interfaces with the HS OTG core by reading from and
|
|
+ * writing to the Control and Status Register (CSR) space through the
|
|
+ * AHB Slave interface. These registers are 32 bits wide, and the
|
|
+ * addresses are 32-bit-block aligned.
|
|
+ * CSRs are classified as follows:
|
|
+ * - Core Global Registers
|
|
+ * - Device Mode Registers
|
|
+ * - Device Global Registers
|
|
+ * - Device Endpoint Specific Registers
|
|
+ * - Host Mode Registers
|
|
+ * - Host Global Registers
|
|
+ * - Host Port CSRs
|
|
+ * - Host Channel Specific Registers
|
|
+ *
|
|
+ * Only the Core Global registers can be accessed in both Device and
|
|
+ * Host modes. When the HS OTG core is operating in one mode, either
|
|
+ * Device or Host, the application must not access registers from the
|
|
+ * other mode. When the core switches from one mode to another, the
|
|
+ * registers in the new mode of operation must be reprogrammed as they
|
|
+ * would be after a power-on reset.
|
|
+ */
|
|
+
|
|
+/****************************************************************************/
|
|
+/* DWC_otg Core registers .
|
|
+ * The dwc_otg_core_global_regs structure defines the size
|
|
+ * and relative field offsets for the Core Global registers.
|
|
+ */
|
|
+struct dwc_otg_core_global_regs {
|
|
+ /* OTG Control and Status Register. Offset: 000h */
|
|
+ uint32_t gotgctl;
|
|
+ /* OTG Interrupt Register. Offset: 004h */
|
|
+ uint32_t gotgint;
|
|
+ /* Core AHB Configuration Register. Offset: 008h */
|
|
+ uint32_t gahbcfg;
|
|
+#define DWC_GLBINTRMASK 0x0001
|
|
+#define DWC_DMAENABLE 0x0020
|
|
+#define DWC_NPTXEMPTYLVL_EMPTY 0x0080
|
|
+#define DWC_NPTXEMPTYLVL_HALFEMPTY 0x0000
|
|
+#define DWC_PTXEMPTYLVL_EMPTY 0x0100
|
|
+#define DWC_PTXEMPTYLVL_HALFEMPTY 0x0000
|
|
+
|
|
+ /* Core USB Configuration Register. Offset: 00Ch */
|
|
+ uint32_t gusbcfg;
|
|
+ /* Core Reset Register. Offset: 010h */
|
|
+ uint32_t grstctl;
|
|
+ /* Core Interrupt Register. Offset: 014h */
|
|
+ uint32_t gintsts;
|
|
+ /* Core Interrupt Mask Register. Offset: 018h */
|
|
+ uint32_t gintmsk;
|
|
+ /* Receive Status Queue Read Register (Read Only). Offset: 01Ch */
|
|
+ uint32_t grxstsr;
|
|
+ /* Receive Status Queue Read & POP Register (Read Only). Offset: 020h*/
|
|
+ uint32_t grxstsp;
|
|
+ /* Receive FIFO Size Register. Offset: 024h */
|
|
+ uint32_t grxfsiz;
|
|
+ /* Non Periodic Transmit FIFO Size Register. Offset: 028h */
|
|
+ uint32_t gnptxfsiz;
|
|
+ /*
|
|
+ *Non Periodic Transmit FIFO/Queue Status Register (Read
|
|
+ * Only). Offset: 02Ch
|
|
+ */
|
|
+ uint32_t gnptxsts;
|
|
+ /* I2C Access Register. Offset: 030h */
|
|
+ uint32_t gi2cctl;
|
|
+ /* PHY Vendor Control Register. Offset: 034h */
|
|
+ uint32_t gpvndctl;
|
|
+ /* General Purpose Input/Output Register. Offset: 038h */
|
|
+ uint32_t ggpio;
|
|
+ /* User ID Register. Offset: 03Ch */
|
|
+ uint32_t guid;
|
|
+ /* Synopsys ID Register (Read Only). Offset: 040h */
|
|
+ uint32_t gsnpsid;
|
|
+ /* User HW Config1 Register (Read Only). Offset: 044h */
|
|
+ uint32_t ghwcfg1;
|
|
+ /* User HW Config2 Register (Read Only). Offset: 048h */
|
|
+ uint32_t ghwcfg2;
|
|
+#define DWC_SLAVE_ONLY_ARCH 0
|
|
+#define DWC_EXT_DMA_ARCH 1
|
|
+#define DWC_INT_DMA_ARCH 2
|
|
+
|
|
+#define DWC_MODE_HNP_SRP_CAPABLE 0
|
|
+#define DWC_MODE_SRP_ONLY_CAPABLE 1
|
|
+#define DWC_MODE_NO_HNP_SRP_CAPABLE 2
|
|
+#define DWC_MODE_SRP_CAPABLE_DEVICE 3
|
|
+#define DWC_MODE_NO_SRP_CAPABLE_DEVICE 4
|
|
+#define DWC_MODE_SRP_CAPABLE_HOST 5
|
|
+#define DWC_MODE_NO_SRP_CAPABLE_HOST 6
|
|
+
|
|
+ /* User HW Config3 Register (Read Only). Offset: 04Ch */
|
|
+ uint32_t ghwcfg3;
|
|
+ /* User HW Config4 Register (Read Only). Offset: 050h*/
|
|
+ uint32_t ghwcfg4;
|
|
+ /* Reserved Offset: 054h-0FFh */
|
|
+ uint32_t reserved[43];
|
|
+ /* Host Periodic Transmit FIFO Size Register. Offset: 100h */
|
|
+ uint32_t hptxfsiz;
|
|
+ /*
|
|
+ * Device Periodic Transmit FIFO#n Register.
|
|
+ * Offset: 104h + (FIFO_Number-1)*04h,
|
|
+ * 1 <= FIFO Number <= 15 (1<=n<=15).
|
|
+ */
|
|
+ uint32_t dptxfsiz[15];
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core OTG Control
|
|
+ * and Status Register (GOTGCTL). Set the bits using the bit
|
|
+ * fields then write the d32 value to the register.
|
|
+ */
|
|
+union gotgctl_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved21_31:11;
|
|
+ unsigned currmod:1;
|
|
+ unsigned bsesvld:1;
|
|
+ unsigned asesvld:1;
|
|
+ unsigned reserved17:1;
|
|
+ unsigned conidsts:1;
|
|
+ unsigned reserved12_15:4;
|
|
+ unsigned devhnpen:1;
|
|
+ unsigned hstsethnpen:1;
|
|
+ unsigned hnpreq:1;
|
|
+ unsigned hstnegscs:1;
|
|
+ unsigned reserved2_7:6;
|
|
+ unsigned sesreq:1;
|
|
+ unsigned sesreqscs:1;
|
|
+#else
|
|
+ unsigned sesreqscs:1;
|
|
+ unsigned sesreq:1;
|
|
+ unsigned reserved2_7:6;
|
|
+ unsigned hstnegscs:1;
|
|
+ unsigned hnpreq:1;
|
|
+ unsigned hstsethnpen:1;
|
|
+ unsigned devhnpen:1;
|
|
+ unsigned reserved12_15:4;
|
|
+ unsigned conidsts:1;
|
|
+ unsigned reserved17:1;
|
|
+ unsigned asesvld:1;
|
|
+ unsigned bsesvld:1;
|
|
+ unsigned currmod:1;
|
|
+ unsigned reserved21_31:11;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core OTG Interrupt Register
|
|
+ * (GOTGINT). Set/clear the bits using the bit fields then write the d32
|
|
+ * value to the register.
|
|
+ */
|
|
+union gotgint_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved31_20:12;
|
|
+ unsigned debdone:1;
|
|
+ unsigned adevtoutchng:1;
|
|
+ unsigned hstnegdet:1;
|
|
+ unsigned reserver10_16:7;
|
|
+ unsigned hstnegsucstschng:1;
|
|
+ unsigned sesreqsucstschng:1;
|
|
+ unsigned reserved3_7:5;
|
|
+ unsigned sesenddet:1;
|
|
+ unsigned reserved0_1:2;
|
|
+#else
|
|
+
|
|
+ /* Current Mode */
|
|
+ unsigned reserved0_1:2;
|
|
+
|
|
+ /* Session End Detected */
|
|
+ unsigned sesenddet:1;
|
|
+
|
|
+ unsigned reserved3_7:5;
|
|
+
|
|
+ /* Session Request Success Status Change */
|
|
+ unsigned sesreqsucstschng:1;
|
|
+ /* Host Negotiation Success Status Change */
|
|
+ unsigned hstnegsucstschng:1;
|
|
+
|
|
+ unsigned reserver10_16:7;
|
|
+
|
|
+ /* Host Negotiation Detected */
|
|
+ unsigned hstnegdet:1;
|
|
+ /* A-Device Timeout Change */
|
|
+ unsigned adevtoutchng:1;
|
|
+ /* Debounce Done */
|
|
+ unsigned debdone:1;
|
|
+
|
|
+ unsigned reserved31_20:12;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core AHB Configuration
|
|
+ * Register (GAHBCFG). Set/clear the bits using the bit fields then
|
|
+ * write the d32 value to the register.
|
|
+ */
|
|
+union gahbcfg_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_GAHBCFG_TXFEMPTYLVL_HALFEMPTY 0
|
|
+#define DWC_GAHBCFG_TXFEMPTYLVL_EMPTY 1
|
|
+#define DWC_GAHBCFG_DMAENABLE 1
|
|
+#define DWC_GAHBCFG_INT_DMA_BURST_INCR16 7
|
|
+#define DWC_GAHBCFG_INT_DMA_BURST_INCR8 5
|
|
+#define DWC_GAHBCFG_INT_DMA_BURST_INCR4 3
|
|
+#define DWC_GAHBCFG_INT_DMA_BURST_INCR 1
|
|
+#define DWC_GAHBCFG_INT_DMA_BURST_SINGLE 0
|
|
+#define DWC_GAHBCFG_GLBINT_ENABLE 1
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved9_31:23;
|
|
+ unsigned ptxfemplvl:1;
|
|
+ unsigned nptxfemplvl:1;
|
|
+ unsigned reserved:1;
|
|
+ unsigned dmaenable:1;
|
|
+ unsigned hburstlen:4;
|
|
+ unsigned glblintrmsk:1;
|
|
+#else
|
|
+ unsigned glblintrmsk:1;
|
|
+ unsigned hburstlen:4;
|
|
+ unsigned dmaenable:1;
|
|
+ unsigned reserved:1;
|
|
+ unsigned nptxfemplvl:1;
|
|
+ unsigned ptxfemplvl:1;
|
|
+ unsigned reserved9_31:23;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core USB Configuration
|
|
+ * Register (GUSBCFG). Set the bits using the bit fields then write
|
|
+ * the d32 value to the register.
|
|
+ */
|
|
+union gusbcfg_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:9;
|
|
+ unsigned term_sel_dl_pulse:1;
|
|
+ unsigned ulpi_int_vbus_indicator:1;
|
|
+ unsigned ulpi_ext_vbus_drv:1;
|
|
+ unsigned ulpi_clk_sus_m:1;
|
|
+ unsigned ulpi_auto_res:1;
|
|
+ unsigned ulpi_fsls:1;
|
|
+ unsigned otgutmifssel:1;
|
|
+ unsigned phylpwrclksel:1;
|
|
+ unsigned nptxfrwnden:1;
|
|
+ unsigned usbtrdtim:4;
|
|
+ unsigned hnpcap:1;
|
|
+ unsigned srpcap:1;
|
|
+ unsigned ddrsel:1;
|
|
+ unsigned physel:1;
|
|
+ unsigned fsintf:1;
|
|
+ unsigned ulpi_utmi_sel:1;
|
|
+ unsigned phyif:1;
|
|
+ unsigned toutcal:3;
|
|
+#else
|
|
+ unsigned toutcal:3;
|
|
+ unsigned phyif:1;
|
|
+ unsigned ulpi_utmi_sel:1;
|
|
+ unsigned fsintf:1;
|
|
+ unsigned physel:1;
|
|
+ unsigned ddrsel:1;
|
|
+ unsigned srpcap:1;
|
|
+ unsigned hnpcap:1;
|
|
+ unsigned usbtrdtim:4;
|
|
+ unsigned nptxfrwnden:1;
|
|
+ unsigned phylpwrclksel:1;
|
|
+ unsigned otgutmifssel:1;
|
|
+ unsigned ulpi_fsls:1;
|
|
+ unsigned ulpi_auto_res:1;
|
|
+ unsigned ulpi_clk_sus_m:1;
|
|
+ unsigned ulpi_ext_vbus_drv:1;
|
|
+ unsigned ulpi_int_vbus_indicator:1;
|
|
+ unsigned term_sel_dl_pulse:1;
|
|
+ unsigned reserved:9;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core Reset Register
|
|
+ * (GRSTCTL). Set/clear the bits using the bit fields then write the
|
|
+ * d32 value to the register.
|
|
+ */
|
|
+union grstctl_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned ahbidle:1;
|
|
+ unsigned dmareq:1;
|
|
+ unsigned reserved11_29:19;
|
|
+ unsigned txfnum:5;
|
|
+ unsigned txfflsh:1;
|
|
+ unsigned rxfflsh:1;
|
|
+ unsigned intknqflsh:1;
|
|
+ unsigned hstfrm:1;
|
|
+ unsigned hsftrst:1;
|
|
+ unsigned csftrst:1;
|
|
+#else
|
|
+
|
|
+ /*
|
|
+ * Core Soft Reset (CSftRst) (Device and Host)
|
|
+ *
|
|
+ * The application can flush the control logic in the
|
|
+ * entire core using this bit. This bit resets the
|
|
+ * pipelines in the AHB Clock domain as well as the
|
|
+ * PHY Clock domain.
|
|
+ *
|
|
+ * The state machines are reset to an IDLE state, the
|
|
+ * control bits in the CSRs are cleared, all the
|
|
+ * transmit FIFOs and the receive FIFO are flushed.
|
|
+ *
|
|
+ * The status mask bits that control the generation of
|
|
+ * the interrupt, are cleared, to clear the
|
|
+ * interrupt. The interrupt status bits are not
|
|
+ * cleared, so the application can get the status of
|
|
+ * any events that occurred in the core after it has
|
|
+ * set this bit.
|
|
+ *
|
|
+ * Any transactions on the AHB are terminated as soon
|
|
+ * as possible following the protocol. Any
|
|
+ * transactions on the USB are terminated immediately.
|
|
+ *
|
|
+ * The configuration settings in the CSRs are
|
|
+ * unchanged, so the software doesn't have to
|
|
+ * reprogram these registers (Device
|
|
+ * Configuration/Host Configuration/Core System
|
|
+ * Configuration/Core PHY Configuration).
|
|
+ *
|
|
+ * The application can write to this bit, any time it
|
|
+ * wants to reset the core. This is a self clearing
|
|
+ * bit and the core clears this bit after all the
|
|
+ * necessary logic is reset in the core, which may
|
|
+ * take several clocks, depending on the current state
|
|
+ * of the core.
|
|
+ */
|
|
+ unsigned csftrst:1;
|
|
+ /*
|
|
+ * Hclk Soft Reset
|
|
+ *
|
|
+ * The application uses this bit to reset the control logic in
|
|
+ * the AHB clock domain. Only AHB clock domain pipelines are
|
|
+ * reset.
|
|
+ */
|
|
+ unsigned hsftrst:1;
|
|
+ /*
|
|
+ * Host Frame Counter Reset (Host Only)<br>
|
|
+ *
|
|
+ * The application can reset the (micro)frame number
|
|
+ * counter inside the core, using this bit. When the
|
|
+ * (micro)frame counter is reset, the subsequent SOF
|
|
+ * sent out by the core, will have a (micro)frame
|
|
+ * number of 0.
|
|
+ */
|
|
+ unsigned hstfrm:1;
|
|
+ /*
|
|
+ * In Token Sequence Learning Queue Flush
|
|
+ * (INTknQFlsh) (Device Only)
|
|
+ */
|
|
+ unsigned intknqflsh:1;
|
|
+ /*
|
|
+ * RxFIFO Flush (RxFFlsh) (Device and Host)
|
|
+ *
|
|
+ * The application can flush the entire Receive FIFO
|
|
+ * using this bit. <p>The application must first
|
|
+ * ensure that the core is not in the middle of a
|
|
+ * transaction. <p>The application should write into
|
|
+ * this bit, only after making sure that neither the
|
|
+ * DMA engine is reading from the RxFIFO nor the MAC
|
|
+ * is writing the data in to the FIFO. <p>The
|
|
+ * application should wait until the bit is cleared
|
|
+ * before performing any other operations. This bit
|
|
+ * will takes 8 clocks (slowest of PHY or AHB clock)
|
|
+ * to clear.
|
|
+ */
|
|
+ unsigned rxfflsh:1;
|
|
+ /*
|
|
+ * TxFIFO Flush (TxFFlsh) (Device and Host).
|
|
+ *
|
|
+ * This bit is used to selectively flush a single or
|
|
+ * all transmit FIFOs. The application must first
|
|
+ * ensure that the core is not in the middle of a
|
|
+ * transaction. <p>The application should write into
|
|
+ * this bit, only after making sure that neither the
|
|
+ * DMA engine is writing into the TxFIFO nor the MAC
|
|
+ * is reading the data out of the FIFO. <p>The
|
|
+ * application should wait until the core clears this
|
|
+ * bit, before performing any operations. This bit
|
|
+ * will takes 8 clocks (slowest of PHY or AHB clock)
|
|
+ * to clear.
|
|
+ */
|
|
+ unsigned txfflsh:1;
|
|
+
|
|
+ /*
|
|
+ * TxFIFO Number (TxFNum) (Device and Host).
|
|
+ *
|
|
+ * This is the FIFO number which needs to be flushed,
|
|
+ * using the TxFIFO Flush bit. This field should not
|
|
+ * be changed until the TxFIFO Flush bit is cleared by
|
|
+ * the core.
|
|
+ * - 0x0:Non Periodic TxFIFO Flush
|
|
+ * - 0x1:Periodic TxFIFO #1 Flush in device mode
|
|
+ * or Periodic TxFIFO in host mode
|
|
+ * - 0x2:Periodic TxFIFO #2 Flush in device mode.
|
|
+ * - ...
|
|
+ * - 0xF:Periodic TxFIFO #15 Flush in device mode
|
|
+ * - 0x10: Flush all the Transmit NonPeriodic and
|
|
+ * Transmit Periodic FIFOs in the core
|
|
+ */
|
|
+ unsigned txfnum:5;
|
|
+ /* Reserved */
|
|
+ unsigned reserved11_29:19;
|
|
+ /*
|
|
+ * DMA Request Signal. Indicated DMA request is in
|
|
+ * probress. Used for debug purpose.
|
|
+ */
|
|
+ unsigned dmareq:1;
|
|
+ /*
|
|
+ * AHB Master Idle. Indicates the AHB Master State
|
|
+ * Machine is in IDLE condition.
|
|
+ */
|
|
+ unsigned ahbidle:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core Interrupt Mask
|
|
+ * Register (GINTMSK). Set/clear the bits using the bit fields then
|
|
+ * write the d32 value to the register.
|
|
+ */
|
|
+union gintmsk_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned wkupintr:1;
|
|
+ unsigned sessreqintr:1;
|
|
+ unsigned disconnect:1;
|
|
+ unsigned conidstschng:1;
|
|
+ unsigned reserved27:1;
|
|
+ unsigned ptxfempty:1;
|
|
+ unsigned hcintr:1;
|
|
+ unsigned portintr:1;
|
|
+ unsigned reserved22_23:2;
|
|
+ unsigned incomplisoout:1;
|
|
+ unsigned incomplisoin:1;
|
|
+ unsigned outepintr:1;
|
|
+ unsigned inepintr:1;
|
|
+ unsigned epmismatch:1;
|
|
+ unsigned reserved16:1;
|
|
+ unsigned eopframe:1;
|
|
+ unsigned isooutdrop:1;
|
|
+ unsigned enumdone:1;
|
|
+ unsigned usbreset:1;
|
|
+ unsigned usbsuspend:1;
|
|
+ unsigned erlysuspend:1;
|
|
+ unsigned i2cintr:1;
|
|
+ unsigned reserved8:1;
|
|
+ unsigned goutnakeff:1;
|
|
+ unsigned ginnakeff:1;
|
|
+ unsigned nptxfempty:1;
|
|
+ unsigned rxstsqlvl:1;
|
|
+ unsigned sofintr:1;
|
|
+ unsigned otgintr:1;
|
|
+ unsigned modemismatch:1;
|
|
+ unsigned reserved0:1;
|
|
+#else
|
|
+ unsigned reserved0:1;
|
|
+ unsigned modemismatch:1;
|
|
+ unsigned otgintr:1;
|
|
+ unsigned sofintr:1;
|
|
+ unsigned rxstsqlvl:1;
|
|
+ unsigned nptxfempty:1;
|
|
+ unsigned ginnakeff:1;
|
|
+ unsigned goutnakeff:1;
|
|
+ unsigned reserved8:1;
|
|
+ unsigned i2cintr:1;
|
|
+ unsigned erlysuspend:1;
|
|
+ unsigned usbsuspend:1;
|
|
+ unsigned usbreset:1;
|
|
+ unsigned enumdone:1;
|
|
+ unsigned isooutdrop:1;
|
|
+ unsigned eopframe:1;
|
|
+ unsigned reserved16:1;
|
|
+ unsigned epmismatch:1;
|
|
+ unsigned inepintr:1;
|
|
+ unsigned outepintr:1;
|
|
+ unsigned incomplisoin:1;
|
|
+ unsigned incomplisoout:1;
|
|
+ unsigned reserved22_23:2;
|
|
+ unsigned portintr:1;
|
|
+ unsigned hcintr:1;
|
|
+ unsigned ptxfempty:1;
|
|
+ unsigned reserved27:1;
|
|
+ unsigned conidstschng:1;
|
|
+ unsigned disconnect:1;
|
|
+ unsigned sessreqintr:1;
|
|
+ unsigned wkupintr:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields of the Core Interrupt Register
|
|
+ * (GINTSTS). Set/clear the bits using the bit fields then write the
|
|
+ * d32 value to the register.
|
|
+ */
|
|
+union gintsts_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+#define DWC_SOF_INTR_MASK 0x0008
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_HOST_MODE 1
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned wkupintr:1;
|
|
+ unsigned sessreqintr:1;
|
|
+ unsigned disconnect:1;
|
|
+ unsigned conidstschng:1;
|
|
+ unsigned reserved27:1;
|
|
+ unsigned ptxfempty:1;
|
|
+ unsigned hcintr:1;
|
|
+ unsigned portintr:1;
|
|
+ unsigned reserved22_23:2;
|
|
+ unsigned incomplisoout:1;
|
|
+ unsigned incomplisoin:1;
|
|
+ unsigned outepintr:1;
|
|
+ unsigned inepint:1;
|
|
+ unsigned epmismatch:1;
|
|
+ unsigned intokenrx:1;
|
|
+ unsigned eopframe:1;
|
|
+ unsigned isooutdrop:1;
|
|
+ unsigned enumdone:1;
|
|
+ unsigned usbreset:1;
|
|
+ unsigned usbsuspend:1;
|
|
+ unsigned erlysuspend:1;
|
|
+ unsigned i2cintr:1;
|
|
+ unsigned reserved8:1;
|
|
+ unsigned goutnakeff:1;
|
|
+ unsigned ginnakeff:1;
|
|
+ unsigned nptxfempty:1;
|
|
+ unsigned rxstsqlvl:1;
|
|
+ unsigned sofintr:1;
|
|
+ unsigned otgintr:1;
|
|
+ unsigned modemismatch:1;
|
|
+ unsigned curmode:1;
|
|
+#else
|
|
+ unsigned curmode:1;
|
|
+ unsigned modemismatch:1;
|
|
+ unsigned otgintr:1;
|
|
+ unsigned sofintr:1;
|
|
+ unsigned rxstsqlvl:1;
|
|
+ unsigned nptxfempty:1;
|
|
+ unsigned ginnakeff:1;
|
|
+ unsigned goutnakeff:1;
|
|
+ unsigned reserved8:1;
|
|
+ unsigned i2cintr:1;
|
|
+ unsigned erlysuspend:1;
|
|
+ unsigned usbsuspend:1;
|
|
+ unsigned usbreset:1;
|
|
+ unsigned enumdone:1;
|
|
+ unsigned isooutdrop:1;
|
|
+ unsigned eopframe:1;
|
|
+ unsigned intokenrx:1;
|
|
+ unsigned epmismatch:1;
|
|
+ unsigned inepint:1;
|
|
+ unsigned outepintr:1;
|
|
+ unsigned incomplisoin:1;
|
|
+ unsigned incomplisoout:1;
|
|
+ unsigned reserved22_23:2;
|
|
+ unsigned portintr:1;
|
|
+ unsigned hcintr:1;
|
|
+ unsigned ptxfempty:1;
|
|
+ unsigned reserved27:1;
|
|
+ unsigned conidstschng:1;
|
|
+ unsigned disconnect:1;
|
|
+ unsigned sessreqintr:1;
|
|
+ unsigned wkupintr:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device Receive Status Read and
|
|
+ * Pop Registers (GRXSTSR, GRXSTSP) Read the register into the d32
|
|
+ * element then read out the bits using the bit elements.
|
|
+ */
|
|
+union device_grxsts_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_DSTS_SETUP_UPDT 0x6 /* SETUP Packet */
|
|
+#define DWC_DSTS_SETUP_COMP 0x4 /* Setup Phase Complete */
|
|
+#define DWC_DSTS_GOUT_NAK 0x1 /* Global OUT NAK */
|
|
+#define DWC_STS_XFER_COMP 0x3 /* OUT Data Transfer Complete */
|
|
+#define DWC_STS_DATA_UPDT 0x2 /* OUT Data Packet */
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:7;
|
|
+ unsigned fn:4;
|
|
+ unsigned pktsts:4;
|
|
+ unsigned dpid:2;
|
|
+ unsigned bcnt:11;
|
|
+ unsigned epnum:4;
|
|
+#else
|
|
+ unsigned epnum:4;
|
|
+ unsigned bcnt:11;
|
|
+ unsigned dpid:2;
|
|
+ unsigned pktsts:4;
|
|
+ unsigned fn:4;
|
|
+ unsigned reserved:7;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Host Receive Status Read and
|
|
+ * Pop Registers (GRXSTSR, GRXSTSP) Read the register into the d32
|
|
+ * element then read out the bits using the bit elements.
|
|
+ */
|
|
+union host_grxsts_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_GRXSTS_PKTSTS_CH_HALTED 0x7
|
|
+#define DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR 0x5
|
|
+#define DWC_GRXSTS_PKTSTS_IN_XFER_COMP 0x3
|
|
+#define DWC_GRXSTS_PKTSTS_IN 0x2
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:11;
|
|
+ unsigned pktsts:4;
|
|
+ unsigned dpid:2;
|
|
+ unsigned bcnt:11;
|
|
+ unsigned chnum:4;
|
|
+#else
|
|
+ unsigned chnum:4;
|
|
+ unsigned bcnt:11;
|
|
+ unsigned dpid:2;
|
|
+ unsigned pktsts:4;
|
|
+ unsigned reserved:11;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the FIFO Size Registers (HPTXFSIZ,
|
|
+ * GNPTXFSIZ, DPTXFSIZn). Read the register into the d32 element then
|
|
+ * read out the bits using the bit elements.
|
|
+ */
|
|
+union fifosize_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned depth:16;
|
|
+ unsigned startaddr:16;
|
|
+#else
|
|
+ unsigned startaddr:16;
|
|
+ unsigned depth:16;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Non-Periodic Transmit
|
|
+ * FIFO/Queue Status Register (GNPTXSTS). Read the register into the
|
|
+ * d32 element then read out the bits using the bit
|
|
+ * elements.
|
|
+ */
|
|
+union gnptxsts_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:1;
|
|
+ unsigned nptxqtop_chnep:4;
|
|
+ unsigned nptxqtop_token:2;
|
|
+ unsigned nptxqtop_terminate:1;
|
|
+ unsigned nptxqspcavail:8;
|
|
+ unsigned nptxfspcavail:16;
|
|
+#else
|
|
+ unsigned nptxfspcavail:16;
|
|
+ unsigned nptxqspcavail:8;
|
|
+ /*
|
|
+ * Top of the Non-Periodic Transmit Request Queue
|
|
+ * - bit 24 - Terminate (Last entry for the selected
|
|
+ * channel/EP)
|
|
+ * - bits 26:25 - Token Type
|
|
+ * - 2'b00 - IN/OUT
|
|
+ * - 2'b01 - Zero Length OUT
|
|
+ * - 2'b10 - PING/Complete Split
|
|
+ * - 2'b11 - Channel Halt
|
|
+ * - bits 30:27 - Channel/EP Number
|
|
+ */
|
|
+ unsigned nptxqtop_terminate:1;
|
|
+ unsigned nptxqtop_token:2;
|
|
+ unsigned nptxqtop_chnep:4;
|
|
+ unsigned reserved:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the I2C Control Register
|
|
+ * (I2CCTL). Read the register into the d32 element then read out the
|
|
+ * bits using the bit elements.
|
|
+ */
|
|
+union gi2cctl_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned bsydne:1;
|
|
+ unsigned rw:1;
|
|
+ unsigned reserved:2;
|
|
+ unsigned i2cdevaddr:2;
|
|
+ unsigned i2csuspctl:1;
|
|
+ unsigned ack:1;
|
|
+ unsigned i2cen:1;
|
|
+ unsigned addr:7;
|
|
+ unsigned regaddr:8;
|
|
+ unsigned rwdata:8;
|
|
+#else
|
|
+ unsigned rwdata:8;
|
|
+ unsigned regaddr:8;
|
|
+ unsigned addr:7;
|
|
+ unsigned i2cen:1;
|
|
+ unsigned ack:1;
|
|
+ unsigned i2csuspctl:1;
|
|
+ unsigned i2cdevaddr:2;
|
|
+ unsigned reserved:2;
|
|
+ unsigned rw:1;
|
|
+ unsigned bsydne:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the User HW Config1
|
|
+ * Register. Read the register into the d32 element then read
|
|
+ * out the bits using the bit elements.
|
|
+ */
|
|
+union hwcfg1_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned ep_dir15:2;
|
|
+ unsigned ep_dir14:2;
|
|
+ unsigned ep_dir13:2;
|
|
+ unsigned ep_dir12:2;
|
|
+ unsigned ep_dir11:2;
|
|
+ unsigned ep_dir10:2;
|
|
+ unsigned ep_dir9:2;
|
|
+ unsigned ep_dir8:2;
|
|
+ unsigned ep_dir7:2;
|
|
+ unsigned ep_dir6:2;
|
|
+ unsigned ep_dir5:2;
|
|
+ unsigned ep_dir4:2;
|
|
+ unsigned ep_dir3:2;
|
|
+ unsigned ep_dir2:2;
|
|
+ unsigned ep_dir1:2;
|
|
+ unsigned ep_dir0:2;
|
|
+#else
|
|
+ unsigned ep_dir0:2;
|
|
+ unsigned ep_dir1:2;
|
|
+ unsigned ep_dir2:2;
|
|
+ unsigned ep_dir3:2;
|
|
+ unsigned ep_dir4:2;
|
|
+ unsigned ep_dir5:2;
|
|
+ unsigned ep_dir6:2;
|
|
+ unsigned ep_dir7:2;
|
|
+ unsigned ep_dir8:2;
|
|
+ unsigned ep_dir9:2;
|
|
+ unsigned ep_dir10:2;
|
|
+ unsigned ep_dir11:2;
|
|
+ unsigned ep_dir12:2;
|
|
+ unsigned ep_dir13:2;
|
|
+ unsigned ep_dir14:2;
|
|
+ unsigned ep_dir15:2;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the User HW Config2
|
|
+ * Register. Read the register into the d32 element then read
|
|
+ * out the bits using the bit elements.
|
|
+ */
|
|
+union hwcfg2_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_HWCFG2_HS_PHY_TYPE_UTMI_ULPI 3
|
|
+#define DWC_HWCFG2_HS_PHY_TYPE_ULPI 2
|
|
+#define DWC_HWCFG2_HS_PHY_TYPE_UTMI 1
|
|
+#define DWC_HWCFG2_HS_PHY_TYPE_NOT_SUPPORTED 0
|
|
+#define DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_HOST 6
|
|
+#define DWC_HWCFG2_OP_MODE_SRP_CAPABLE_HOST 5
|
|
+#define DWC_HWCFG2_OP_MODE_NO_SRP_CAPABLE_DEVICE 4
|
|
+#define DWC_HWCFG2_OP_MODE_SRP_CAPABLE_DEVICE 3
|
|
+#define DWC_HWCFG2_OP_MODE_NO_HNP_SRP_CAPABLE_OTG 2
|
|
+#define DWC_HWCFG2_OP_MODE_SRP_ONLY_CAPABLE_OTG 1
|
|
+#define DWC_HWCFG2_OP_MODE_HNP_SRP_CAPABLE_OTG 0
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved31:1;
|
|
+ unsigned dev_token_q_depth:5;
|
|
+ unsigned host_perio_tx_q_depth:2;
|
|
+ unsigned nonperio_tx_q_depth:2;
|
|
+ unsigned rx_status_q_depth:2;
|
|
+ unsigned dynamic_fifo:1;
|
|
+ unsigned perio_ep_supported:1;
|
|
+ unsigned num_host_chan:4;
|
|
+ unsigned num_dev_ep:4;
|
|
+ unsigned fs_phy_type:2;
|
|
+ unsigned hs_phy_type:2;
|
|
+ unsigned point2point:1;
|
|
+ unsigned architecture:2;
|
|
+ unsigned op_mode:3;
|
|
+#else
|
|
+ unsigned op_mode:3;
|
|
+ unsigned architecture:2;
|
|
+ unsigned point2point:1;
|
|
+ unsigned hs_phy_type:2;
|
|
+ unsigned fs_phy_type:2;
|
|
+ unsigned num_dev_ep:4;
|
|
+ unsigned num_host_chan:4;
|
|
+ unsigned perio_ep_supported:1;
|
|
+ unsigned dynamic_fifo:1;
|
|
+ unsigned rx_status_q_depth:2;
|
|
+ unsigned nonperio_tx_q_depth:2;
|
|
+ unsigned host_perio_tx_q_depth:2;
|
|
+ unsigned dev_token_q_depth:5;
|
|
+ unsigned reserved31:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the User HW Config3
|
|
+ * Register. Read the register into the d32 element then read
|
|
+ * out the bits using the bit elements.
|
|
+ */
|
|
+union hwcfg3_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+ /* GHWCFG3 */
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned dfifo_depth:16;
|
|
+ unsigned reserved15_13:3;
|
|
+ unsigned ahb_phy_clock_synch:1;
|
|
+ unsigned synch_reset_type:1;
|
|
+ unsigned optional_features:1;
|
|
+ unsigned vendor_ctrl_if:1;
|
|
+ unsigned i2c:1;
|
|
+ unsigned otg_func:1;
|
|
+ unsigned packet_size_cntr_width:3;
|
|
+ unsigned xfer_size_cntr_width:4;
|
|
+#else
|
|
+ unsigned xfer_size_cntr_width:4;
|
|
+ unsigned packet_size_cntr_width:3;
|
|
+ unsigned otg_func:1;
|
|
+ unsigned i2c:1;
|
|
+ unsigned vendor_ctrl_if:1;
|
|
+ unsigned optional_features:1;
|
|
+ unsigned synch_reset_type:1;
|
|
+ unsigned ahb_phy_clock_synch:1;
|
|
+ unsigned reserved15_13:3;
|
|
+ unsigned dfifo_depth:16;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the User HW Config4
|
|
+ * Register. Read the register into the d32 element then read
|
|
+ * out the bits using the bit elements.
|
|
+ */
|
|
+union hwcfg4_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved31_25:7;
|
|
+ unsigned session_end_filt_en:1;
|
|
+ unsigned b_valid_filt_en:1;
|
|
+ unsigned a_valid_filt_en:1;
|
|
+ unsigned vbus_valid_filt_en:1;
|
|
+ unsigned iddig_filt_en:1;
|
|
+ unsigned num_dev_mode_ctrl_ep:4;
|
|
+ unsigned utmi_phy_data_width:2;
|
|
+ unsigned min_ahb_freq:9;
|
|
+ unsigned power_optimiz:1;
|
|
+ unsigned num_dev_perio_in_ep:4;
|
|
+#else
|
|
+ unsigned num_dev_perio_in_ep:4;
|
|
+ unsigned power_optimiz:1;
|
|
+ unsigned min_ahb_freq:9;
|
|
+ unsigned utmi_phy_data_width:2;
|
|
+ unsigned num_dev_mode_ctrl_ep:4;
|
|
+ unsigned iddig_filt_en:1;
|
|
+ unsigned vbus_valid_filt_en:1;
|
|
+ unsigned a_valid_filt_en:1;
|
|
+ unsigned b_valid_filt_en:1;
|
|
+ unsigned session_end_filt_en:1;
|
|
+ unsigned reserved31_25:7;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+
|
|
+/*
|
|
+ * Device Global Registers. Offsets 800h-BFFh
|
|
+ *
|
|
+ * The following structures define the size and relative field offsets
|
|
+ * for the Device Mode Registers.
|
|
+ *
|
|
+ * These registers are visible only in Device mode and must not be
|
|
+ * accessed in Host mode, as the results are unknown.
|
|
+ */
|
|
+struct dwc_otg_dev_global_regs {
|
|
+ /* Device Configuration Register. Offset 800h */
|
|
+ uint32_t dcfg;
|
|
+ /* Device Control Register. Offset: 804h */
|
|
+ uint32_t dctl;
|
|
+ /* Device Status Register (Read Only). Offset: 808h */
|
|
+ uint32_t dsts;
|
|
+ /* Reserved. Offset: 80Ch */
|
|
+ uint32_t unused;
|
|
+ /*
|
|
+ * Device IN Endpoint Common Interrupt Mask Register. Offset: 810h
|
|
+ */
|
|
+ uint32_t diepmsk;
|
|
+ /*
|
|
+ * Device OUT Endpoint Common Interrupt Mask
|
|
+ * Register. Offset: 814h
|
|
+ */
|
|
+ uint32_t doepmsk;
|
|
+ /*
|
|
+ * Device All Endpoints Interrupt Register. Offset: 818h
|
|
+ */
|
|
+ uint32_t daint;
|
|
+ /*
|
|
+ * Device All Endpoints Interrupt Mask Register. Offset:
|
|
+ * 81Ch
|
|
+ */
|
|
+ uint32_t daintmsk;
|
|
+ /*
|
|
+ * Device IN Token Queue Read Register-1 (Read Only).
|
|
+ * Offset: 820h
|
|
+ */
|
|
+ uint32_t dtknqr1;
|
|
+ /*
|
|
+ * Device IN Token Queue Read Register-2 (Read Only).
|
|
+ * Offset: 824h
|
|
+ */
|
|
+ uint32_t dtknqr2;
|
|
+ /*
|
|
+ * Device VBUS discharge Register. Offset: 828h
|
|
+ */
|
|
+ uint32_t dvbusdis;
|
|
+ /*
|
|
+ * Device VBUS Pulse Register. Offset: 82Ch
|
|
+ */
|
|
+ uint32_t dvbuspulse;
|
|
+ /*
|
|
+ * Device IN Token Queue Read Register-3 (Read Only).
|
|
+ * Offset: 830h
|
|
+ */
|
|
+ uint32_t dtknqr3;
|
|
+ /*
|
|
+ * Device IN Token Queue Read Register-4 (Read Only).
|
|
+ * Offset: 834h
|
|
+ */
|
|
+ uint32_t dtknqr4;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device Configuration
|
|
+ * Register. Read the register into the d32 member then
|
|
+ * set/clear the bits using the bit elements. Write the
|
|
+ * d32 member to the dcfg register.
|
|
+ */
|
|
+union dcfg_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_DCFG_FRAME_INTERVAL_95 3
|
|
+#define DWC_DCFG_FRAME_INTERVAL_90 2
|
|
+#define DWC_DCFG_FRAME_INTERVAL_85 1
|
|
+#define DWC_DCFG_FRAME_INTERVAL_80 0
|
|
+#define DWC_DCFG_SEND_STALL 1
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved9:10;
|
|
+ unsigned epmscnt:4;
|
|
+ unsigned reserved13_17:5;
|
|
+ unsigned perfrint:2;
|
|
+ unsigned devaddr:7;
|
|
+ unsigned reserved3:1;
|
|
+ unsigned nzstsouthshk:1;
|
|
+ unsigned devspd:2;
|
|
+#else
|
|
+
|
|
+ /* Device Speed */
|
|
+ unsigned devspd:2;
|
|
+ /* Non Zero Length Status OUT Handshake */
|
|
+ unsigned nzstsouthshk:1;
|
|
+ unsigned reserved3:1;
|
|
+ /* Device Addresses */
|
|
+ unsigned devaddr:7;
|
|
+ /* Periodic Frame Interval */
|
|
+ unsigned perfrint:2;
|
|
+ unsigned reserved13_17:5;
|
|
+ /* In Endpoint Mis-match count */
|
|
+ unsigned epmscnt:4;
|
|
+ unsigned reserved9:10;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Device Control
|
|
+ * Register. Read the register into the d32 member then
|
|
+ * set/clear the bits using the bit elements.
|
|
+ */
|
|
+union dctl_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:21;
|
|
+ unsigned cgoutnak:1;
|
|
+ unsigned sgoutnak:1;
|
|
+ unsigned cgnpinnak:1;
|
|
+ unsigned sgnpinnak:1;
|
|
+ unsigned tstctl:3;
|
|
+ unsigned goutnaksts:1;
|
|
+ unsigned gnpinnaksts:1;
|
|
+ unsigned sftdiscon:1;
|
|
+ unsigned rmtwkupsig:1;
|
|
+#else
|
|
+
|
|
+ /* Remote Wakeup */
|
|
+ unsigned rmtwkupsig:1;
|
|
+ /* Soft Disconnect */
|
|
+ unsigned sftdiscon:1;
|
|
+ /* Global Non-Periodic IN NAK Status */
|
|
+ unsigned gnpinnaksts:1;
|
|
+ /* Global OUT NAK Status */
|
|
+ unsigned goutnaksts:1;
|
|
+ /* Test Control */
|
|
+ unsigned tstctl:3;
|
|
+ /* Set Global Non-Periodic IN NAK */
|
|
+ unsigned sgnpinnak:1;
|
|
+ /* Clear Global Non-Periodic IN NAK */
|
|
+ unsigned cgnpinnak:1;
|
|
+ /* Set Global OUT NAK */
|
|
+ unsigned sgoutnak:1;
|
|
+ /* Clear Global OUT NAK */
|
|
+ unsigned cgoutnak:1;
|
|
+
|
|
+ unsigned reserved:21;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device Status
|
|
+ * Register. Read the register into the d32 member then
|
|
+ * set/clear the bits using the bit elements.
|
|
+ */
|
|
+union dsts_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_DSTS_ENUMSPD_FS_PHY_48MHZ 3
|
|
+#define DWC_DSTS_ENUMSPD_LS_PHY_6MHZ 2
|
|
+#define DWC_DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ 1
|
|
+#define DWC_DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ 0
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved22_31:10;
|
|
+ unsigned soffn:14;
|
|
+ unsigned reserved4_7:4;
|
|
+ unsigned errticerr:1;
|
|
+ unsigned enumspd:2;
|
|
+ unsigned suspsts:1;
|
|
+#else
|
|
+
|
|
+ /* Suspend Status */
|
|
+ unsigned suspsts:1;
|
|
+ /* Enumerated Speed */
|
|
+ unsigned enumspd:2;
|
|
+ /* Erratic Error */
|
|
+ unsigned errticerr:1;
|
|
+ unsigned reserved4_7:4;
|
|
+ /* Frame or Microframe Number of the received SOF */
|
|
+ unsigned soffn:14;
|
|
+ unsigned reserved22_31:10;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Device IN EP Interrupt
|
|
+ * Register and the Device IN EP Common Mask Register.
|
|
+ *
|
|
+ * It also represents the bit fields in the Device IN EP Common
|
|
+ * Interrupt Mask Register.
|
|
+
|
|
+ * - Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements.
|
|
+ */
|
|
+union diepint_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved07_31:25;
|
|
+ unsigned inepnakeff:1;
|
|
+ unsigned intknepmis:1;
|
|
+ unsigned intktxfemp:1;
|
|
+ unsigned timeout:1;
|
|
+ unsigned ahberr:1;
|
|
+ unsigned epdisabled:1;
|
|
+ unsigned xfercompl:1;
|
|
+#else
|
|
+
|
|
+y /* Transfer complete mask */
|
|
+ unsigned xfercompl:1;
|
|
+ /* Endpoint disable mask */
|
|
+ unsigned epdisabled:1;
|
|
+ /* AHB Error mask */
|
|
+ unsigned ahberr:1;
|
|
+ /* TimeOUT Handshake mask (non-ISOC EPs) */
|
|
+ unsigned timeout:1;
|
|
+ /* IN Token received with TxF Empty mask */
|
|
+ unsigned intktxfemp:1;
|
|
+ /* IN Token Received with EP mismatch mask */
|
|
+ unsigned intknepmis:1;
|
|
+ /* IN Endpoint HAK Effective mask */
|
|
+ unsigned inepnakeff:1;
|
|
+ unsigned reserved07_31:25;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Device OUT EP Interrupt
|
|
+ * Registerand Device OUT EP Common Interrupt Mask Register.
|
|
+ *
|
|
+ * It also represents the bit fields in the Device OUT EP Common
|
|
+ * Interrupt Mask Register.
|
|
+ *
|
|
+ * - Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements.
|
|
+ */
|
|
+union doepint_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved04_31:28;
|
|
+ unsigned setup:1;
|
|
+ unsigned ahberr:1;
|
|
+ unsigned epdisabled:1;
|
|
+ unsigned xfercompl:1;
|
|
+#else
|
|
+
|
|
+ /* Transfer complete */
|
|
+ unsigned xfercompl:1;
|
|
+ /* Endpoint disable */
|
|
+ unsigned epdisabled:1;
|
|
+ /* AHB Error */
|
|
+ unsigned ahberr:1;
|
|
+ /* Setup Phase Done (contorl EPs) */
|
|
+ unsigned setup:1;
|
|
+ unsigned reserved04_31:28;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device All EP Interrupt
|
|
+ * and Mask Registers.
|
|
+ * - Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements.
|
|
+ */
|
|
+union daint_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned out:16;
|
|
+ unsigned in:16;
|
|
+#else
|
|
+
|
|
+ /* IN Endpoint bits */
|
|
+ unsigned in:16;
|
|
+ /* OUT Endpoint bits */
|
|
+ unsigned out:16;
|
|
+#endif
|
|
+ } ep;
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned outep15:1;
|
|
+ unsigned outep14:1;
|
|
+ unsigned outep13:1;
|
|
+ unsigned outep12:1;
|
|
+ unsigned outep11:1;
|
|
+ unsigned outep10:1;
|
|
+ unsigned outep9:1;
|
|
+ unsigned outep8:1;
|
|
+ unsigned outep7:1;
|
|
+ unsigned outep6:1;
|
|
+ unsigned outep5:1;
|
|
+ unsigned outep4:1;
|
|
+ unsigned outep3:1;
|
|
+ unsigned outep2:1;
|
|
+ unsigned outep1:1;
|
|
+ unsigned outep0:1;
|
|
+ unsigned inep15:1;
|
|
+ unsigned inep14:1;
|
|
+ unsigned inep13:1;
|
|
+ unsigned inep12:1;
|
|
+ unsigned inep11:1;
|
|
+ unsigned inep10:1;
|
|
+ unsigned inep9:1;
|
|
+ unsigned inep8:1;
|
|
+ unsigned inep7:1;
|
|
+ unsigned inep6:1;
|
|
+ unsigned inep5:1;
|
|
+ unsigned inep4:1;
|
|
+ unsigned inep3:1;
|
|
+ unsigned inep2:1;
|
|
+ unsigned inep1:1;
|
|
+ unsigned inep0:1;
|
|
+#else
|
|
+
|
|
+ /* IN Endpoint bits */
|
|
+ unsigned inep0:1;
|
|
+ unsigned inep1:1;
|
|
+ unsigned inep2:1;
|
|
+ unsigned inep3:1;
|
|
+ unsigned inep4:1;
|
|
+ unsigned inep5:1;
|
|
+ unsigned inep6:1;
|
|
+ unsigned inep7:1;
|
|
+ unsigned inep8:1;
|
|
+ unsigned inep9:1;
|
|
+ unsigned inep10:1;
|
|
+ unsigned inep11:1;
|
|
+ unsigned inep12:1;
|
|
+ unsigned inep13:1;
|
|
+ unsigned inep14:1;
|
|
+ unsigned inep15:1;
|
|
+ /* OUT Endpoint bits */
|
|
+ unsigned outep0:1;
|
|
+ unsigned outep1:1;
|
|
+ unsigned outep2:1;
|
|
+ unsigned outep3:1;
|
|
+ unsigned outep4:1;
|
|
+ unsigned outep5:1;
|
|
+ unsigned outep6:1;
|
|
+ unsigned outep7:1;
|
|
+ unsigned outep8:1;
|
|
+ unsigned outep9:1;
|
|
+ unsigned outep10:1;
|
|
+ unsigned outep11:1;
|
|
+ unsigned outep12:1;
|
|
+ unsigned outep13:1;
|
|
+ unsigned outep14:1;
|
|
+ unsigned outep15:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device IN Token Queue
|
|
+ * Read Registers.
|
|
+ * - Read the register into the d32 member.
|
|
+ * - READ-ONLY Register
|
|
+ */
|
|
+union dtknq1_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned epnums0_5:24;
|
|
+ unsigned wrap_bit:1;
|
|
+ unsigned reserved05_06:2;
|
|
+ unsigned intknwptr:5;
|
|
+#else
|
|
+
|
|
+ /* In Token Queue Write Pointer */
|
|
+ unsigned intknwptr:5;
|
|
+ /* Reserved */
|
|
+ unsigned reserved05_06:2;
|
|
+ /* write pointer has wrapped. */
|
|
+ unsigned wrap_bit:1;
|
|
+ /* EP Numbers of IN Tokens 0 ... 4 */
|
|
+ unsigned epnums0_5:24;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Device Logical IN Endpoint-Specific Registers. Offsets
|
|
+ * 900h-AFCh
|
|
+ *
|
|
+ * There will be one set of endpoint registers per logical endpoint
|
|
+ * implemented.
|
|
+ *
|
|
+ * These registers are visible only in Device mode and must not be
|
|
+ * accessed in Host mode, as the results are unknown.
|
|
+ */
|
|
+struct dwc_otg_dev_in_ep_regs {
|
|
+ /*
|
|
+ * Device IN Endpoint Control Register. Offset:900h +
|
|
+ * (ep_num * 20h) + 00h
|
|
+ */
|
|
+ uint32_t diepctl;
|
|
+ /* Reserved. Offset:900h + (ep_num * 20h) + 04h */
|
|
+ uint32_t reserved04;
|
|
+ /*
|
|
+ * Device IN Endpoint Interrupt Register. Offset:900h +
|
|
+ * (ep_num * 20h) + 08h
|
|
+ */
|
|
+ uint32_t diepint;
|
|
+ /* Reserved. Offset:900h + (ep_num * 20h) + 0Ch */
|
|
+ uint32_t reserved0C;
|
|
+ /*
|
|
+ * Device IN Endpoint Transfer Size
|
|
+ * Register. Offset:900h + (ep_num * 20h) + 10h
|
|
+ */
|
|
+ uint32_t dieptsiz;
|
|
+ /*
|
|
+ * Device IN Endpoint DMA Address Register. Offset:900h +
|
|
+ * (ep_num * 20h) + 14h
|
|
+ */
|
|
+ uint32_t diepdma;
|
|
+ /*
|
|
+ * Reserved. Offset:900h + (ep_num * 20h) + 18h - 900h +
|
|
+ * (ep_num * 20h) + 1Ch
|
|
+ */
|
|
+ uint32_t reserved18[2];
|
|
+};
|
|
+
|
|
+/**
|
|
+ * Device Logical OUT Endpoint-Specific Registers. Offsets:
|
|
+ * B00h-CFCh
|
|
+ *
|
|
+ * There will be one set of endpoint registers per logical endpoint
|
|
+ * implemented.
|
|
+ *
|
|
+ * These registers are visible only in Device mode and must not be
|
|
+ * accessed in Host mode, as the results are unknown.
|
|
+ */
|
|
+struct dwc_otg_dev_out_ep_regs {
|
|
+ /*
|
|
+ * Device OUT Endpoint Control Register. Offset:B00h +
|
|
+ * (ep_num * 20h) + 00h
|
|
+ */
|
|
+ uint32_t doepctl;
|
|
+ /*
|
|
+ * Device OUT Endpoint Frame number Register. Offset:
|
|
+ * B00h + (ep_num * 20h) + 04h
|
|
+ */
|
|
+ uint32_t doepfn;
|
|
+ /*
|
|
+ * Device OUT Endpoint Interrupt Register. Offset:B00h +
|
|
+ * (ep_num * 20h) + 08h
|
|
+ */
|
|
+ uint32_t doepint;
|
|
+ /*
|
|
+ * Reserved. Offset:B00h + (ep_num * 20h) + 0Ch */
|
|
+ uint32_t reserved0C;
|
|
+ /*
|
|
+ * Device OUT Endpoint Transfer Size Register. Offset:
|
|
+ * B00h + (ep_num * 20h) + 10h
|
|
+ */
|
|
+ uint32_t doeptsiz;
|
|
+ /*
|
|
+ * Device OUT Endpoint DMA Address Register. Offset:B00h
|
|
+ * + (ep_num * 20h) + 14h
|
|
+ */
|
|
+ uint32_t doepdma;
|
|
+ /*
|
|
+ * Reserved. Offset:B00h + (ep_num * 20h) + 18h - B00h +
|
|
+ * (ep_num * 20h) + 1Ch
|
|
+ */
|
|
+ uint32_t unused[2];
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device EP Control
|
|
+ * Register. Read the register into the d32 member then
|
|
+ * set/clear the bits using the bit elements.
|
|
+ */
|
|
+union depctl_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_DEP0CTL_MPS_64 0
|
|
+#define DWC_DEP0CTL_MPS_32 1
|
|
+#define DWC_DEP0CTL_MPS_16 2
|
|
+#define DWC_DEP0CTL_MPS_8 3
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned mps:11;
|
|
+ unsigned epena:1;
|
|
+ unsigned epdis:1;
|
|
+ unsigned setd1pid:1;
|
|
+ unsigned setd0pid:1;
|
|
+ unsigned snak:1;
|
|
+ unsigned cnak:1;
|
|
+ unsigned txfnum:4;
|
|
+ unsigned stall:1;
|
|
+ unsigned snp:1;
|
|
+ unsigned eptype:2;
|
|
+ unsigned naksts:1;
|
|
+ unsigned dpid:1;
|
|
+ unsigned usbactep:1;
|
|
+ unsigned nextep:4;
|
|
+#else
|
|
+
|
|
+ /*
|
|
+ * Maximum Packet Size
|
|
+ * IN/OUT EPn
|
|
+ * IN/OUT EP0 - 2 bits
|
|
+ * 2'b00: 64 Bytes
|
|
+ * 2'b01: 32
|
|
+ * 2'b10: 16
|
|
+ * 2'b11: 8
|
|
+ */
|
|
+ unsigned mps:11;
|
|
+ /*
|
|
+ * Next Endpoint
|
|
+ * IN EPn/IN EP0
|
|
+ * OUT EPn/OUT EP0 - reserved
|
|
+ */
|
|
+ unsigned nextep:4;
|
|
+
|
|
+ /* USB Active Endpoint */
|
|
+ unsigned usbactep:1;
|
|
+
|
|
+ /*
|
|
+ * Endpoint DPID (INTR/Bulk IN and OUT endpoints)
|
|
+ * This field contains the PID of the packet going to
|
|
+ * be received or transmitted on this endpoint. The
|
|
+ * application should program the PID of the first
|
|
+ * packet going to be received or transmitted on this
|
|
+ * endpoint , after the endpoint is
|
|
+ * activated. Application use the SetD1PID and
|
|
+ * SetD0PID fields of this register to program either
|
|
+ * D0 or D1 PID.
|
|
+ *
|
|
+ * The encoding for this field is
|
|
+ * - 0: D0
|
|
+ * - 1: D1
|
|
+ */
|
|
+ unsigned dpid:1;
|
|
+
|
|
+ /* NAK Status */
|
|
+ unsigned naksts:1;
|
|
+
|
|
+ /*
|
|
+ * Endpoint Type
|
|
+ * 2'b00: Control
|
|
+ * 2'b01: Isochronous
|
|
+ * 2'b10: Bulk
|
|
+ * 2'b11: Interrupt
|
|
+ */
|
|
+ unsigned eptype:2;
|
|
+
|
|
+ /*
|
|
+ * Snoop Mode
|
|
+ * OUT EPn/OUT EP0
|
|
+ * IN EPn/IN EP0 - reserved
|
|
+ */
|
|
+ unsigned snp:1;
|
|
+
|
|
+ /* Stall Handshake */
|
|
+ unsigned stall:1;
|
|
+
|
|
+ /*
|
|
+ * Tx Fifo Number
|
|
+ * IN EPn/IN EP0
|
|
+ * OUT EPn/OUT EP0 - reserved
|
|
+ */
|
|
+ unsigned txfnum:4;
|
|
+
|
|
+ /* Clear NAK */
|
|
+ unsigned cnak:1;
|
|
+ /* Set NAK */
|
|
+ unsigned snak:1;
|
|
+ /*
|
|
+ * Set DATA0 PID (INTR/Bulk IN and OUT endpoints)
|
|
+ * Writing to this field sets the Endpoint DPID (DPID)
|
|
+ * field in this register to DATA0. Set Even
|
|
+ * (micro)frame (SetEvenFr) (ISO IN and OUT Endpoints)
|
|
+ * Writing to this field sets the Even/Odd
|
|
+ * (micro)frame (EO_FrNum) field to even (micro)
|
|
+ * frame.
|
|
+ */
|
|
+ unsigned setd0pid:1;
|
|
+ /*
|
|
+ * Set DATA1 PID (INTR/Bulk IN and OUT endpoints)
|
|
+ * Writing to this field sets the Endpoint DPID (DPID)
|
|
+ * field in this register to DATA1 Set Odd
|
|
+ * (micro)frame (SetOddFr) (ISO IN and OUT Endpoints)
|
|
+ * Writing to this field sets the Even/Odd
|
|
+ * (micro)frame (EO_FrNum) field to odd (micro) frame.
|
|
+ */
|
|
+ unsigned setd1pid:1;
|
|
+
|
|
+ /* Endpoint Disable */
|
|
+ unsigned epdis:1;
|
|
+ /* Endpoint Enable */
|
|
+ unsigned epena:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device EP Transfer
|
|
+ * Size Register. Read the register into the d32 member then
|
|
+ * set/clear the bits using the bit elements.
|
|
+ */
|
|
+union deptsiz_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:1;
|
|
+ unsigned mc:2;
|
|
+ unsigned pktcnt:10;
|
|
+ unsigned xfersize:19;
|
|
+#else
|
|
+
|
|
+ /* Transfer size */
|
|
+ unsigned xfersize:19;
|
|
+ /* Packet Count */
|
|
+ unsigned pktcnt:10;
|
|
+ /* Multi Count - Periodic IN endpoints */
|
|
+ unsigned mc:2;
|
|
+ unsigned reserved:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Device EP 0 Transfer
|
|
+ * Size Register. Read the register into the d32 member then
|
|
+ * set/clear the bits using the bit elements.
|
|
+ */
|
|
+union deptsiz0_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved31:1;
|
|
+ unsigned supcnt:2;
|
|
+ unsigned reserved20_28:9;
|
|
+ unsigned pktcnt:1;
|
|
+ unsigned reserved7_18:12;
|
|
+ unsigned xfersize:7;
|
|
+#else
|
|
+
|
|
+ /* Transfer size */
|
|
+ unsigned xfersize:7;
|
|
+ /* Reserved */
|
|
+ unsigned reserved7_18:12;
|
|
+ /* Packet Count */
|
|
+ unsigned pktcnt:1;
|
|
+ /* Reserved */
|
|
+ unsigned reserved20_28:9;
|
|
+ /* Setup Packet Count (DOEPTSIZ0 Only) */
|
|
+ unsigned supcnt:2;
|
|
+ unsigned reserved31:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/** Maximum number of Periodic FIFOs */
|
|
+#define MAX_PERIO_FIFOS 15
|
|
+
|
|
+/** Maximum number of Endpoints/HostChannels */
|
|
+#define MAX_EPS_CHANNELS 16
|
|
+
|
|
+/*
|
|
+ * The dwc_otg_dev_if structure contains information needed to manage
|
|
+ * the DWC_otg controller acting in device mode. It represents the
|
|
+ * programming view of the device-specific aspects of the controller.
|
|
+ */
|
|
+struct dwc_otg_dev_if {
|
|
+ /*
|
|
+ * Pointer to device Global registers.
|
|
+ * Device Global Registers starting at offset 800h
|
|
+ */
|
|
+ struct dwc_otg_dev_global_regs *dev_global_regs;
|
|
+#define DWC_DEV_GLOBAL_REG_OFFSET 0x800
|
|
+
|
|
+ /*
|
|
+ * Device Logical IN Endpoint-Specific Registers 900h-AFCh
|
|
+ */
|
|
+ struct dwc_otg_dev_in_ep_regs *in_ep_regs[MAX_EPS_CHANNELS];
|
|
+#define DWC_DEV_IN_EP_REG_OFFSET 0x900
|
|
+#define DWC_EP_REG_OFFSET 0x20
|
|
+
|
|
+ /* Device Logical OUT Endpoint-Specific Registers B00h-CFCh */
|
|
+ struct dwc_otg_dev_out_ep_regs *out_ep_regs[MAX_EPS_CHANNELS];
|
|
+#define DWC_DEV_OUT_EP_REG_OFFSET 0xB00
|
|
+
|
|
+ /* Device configuration information */
|
|
+ uint8_t speed; /* Device Speed 0: Unknown, 1: LS, 2:FS, 3: HS */
|
|
+ uint8_t num_eps; /* Number of EPs range: 1-16 (includes EP0) */
|
|
+ uint8_t num_perio_eps; /* # of Periodic EP range: 0-15 */
|
|
+
|
|
+ /* Size of periodic FIFOs (Bytes) */
|
|
+ uint16_t perio_tx_fifo_size[MAX_PERIO_FIFOS];
|
|
+
|
|
+};
|
|
+
|
|
+
|
|
+/* Host Mode Register Structures */
|
|
+
|
|
+/*
|
|
+ * The Host Global Registers structure defines the size and relative
|
|
+ * field offsets for the Host Mode Global Registers. Host Global
|
|
+ * Registers offsets 400h-7FFh.
|
|
+ */
|
|
+struct dwc_otg_host_global_regs {
|
|
+ /* Host Configuration Register. Offset: 400h */
|
|
+ uint32_t hcfg;
|
|
+ /* Host Frame Interval Register. Offset: 404h */
|
|
+ uint32_t hfir;
|
|
+ /* Host Frame Number / Frame Remaining Register. Offset: 408h */
|
|
+ uint32_t hfnum;
|
|
+ /* Reserved. Offset: 40Ch */
|
|
+ uint32_t reserved40C;
|
|
+ /* Host Periodic Transmit FIFO/ Queue Status Register. Offset: 410h */
|
|
+ uint32_t hptxsts;
|
|
+ /* Host All Channels Interrupt Register. Offset: 414h */
|
|
+ uint32_t haint;
|
|
+ /* Host All Channels Interrupt Mask Register. Offset: 418h */
|
|
+ uint32_t haintmsk;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * This union represents the bit fields in the Host Configuration Register.
|
|
+ * Read the register into the d32 member then set/clear the bits using
|
|
+ * the bit elements. Write the d32 member to the hcfg register.
|
|
+ */
|
|
+union hcfg_data {
|
|
+ /** raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /** register bits */
|
|
+ struct {
|
|
+#define DWC_HCFG_6_MHZ 2
|
|
+#define DWC_HCFG_48_MHZ 1
|
|
+#define DWC_HCFG_30_60_MHZ 0
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:29;
|
|
+ unsigned fslssupp:1;
|
|
+ unsigned fslspclksel:2;
|
|
+#else
|
|
+
|
|
+ /* FS/LS Phy Clock Select */
|
|
+ unsigned fslspclksel:2;
|
|
+ /* FS/LS Only Support */
|
|
+ unsigned fslssupp:1;
|
|
+ unsigned reserved:29;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host Frame Remaing/Number
|
|
+ * Register.
|
|
+ */
|
|
+union hfir_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:16;
|
|
+ unsigned frint:16;
|
|
+#else
|
|
+ unsigned frint:16;
|
|
+ unsigned reserved:16;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host Frame Remaing/Number
|
|
+ * Register.
|
|
+ */
|
|
+union hfnum_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_HFNUM_MAX_FRNUM 0x3FFF
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned frrem:16;
|
|
+ unsigned frnum:16;
|
|
+#else
|
|
+ unsigned frnum:16;
|
|
+ unsigned frrem:16;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+union hptxsts_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned ptxqtop_odd:1;
|
|
+ unsigned ptxqtop_chnum:4;
|
|
+ unsigned ptxqtop_token:2;
|
|
+ unsigned ptxqtop_terminate:1;
|
|
+ unsigned ptxqspcavail:8;
|
|
+ unsigned ptxfspcavail:16;
|
|
+#else
|
|
+ unsigned ptxfspcavail:16;
|
|
+ unsigned ptxqspcavail:8;
|
|
+ /*
|
|
+ * Top of the Periodic Transmit Request Queue
|
|
+ * - bit 24 - Terminate (last entry for the selected channel)
|
|
+ * - bits 26:25 - Token Type
|
|
+ * - 2'b00 - Zero length
|
|
+ * - 2'b01 - Ping
|
|
+ * - 2'b10 - Disable
|
|
+ * - bits 30:27 - Channel Number
|
|
+ * - bit 31 - Odd/even microframe
|
|
+ */
|
|
+ unsigned ptxqtop_terminate:1;
|
|
+ unsigned ptxqtop_token:2;
|
|
+ unsigned ptxqtop_chnum:4;
|
|
+ unsigned ptxqtop_odd:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host Port Control and Status
|
|
+ * Register. Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements. Write the d32 member to the
|
|
+ * hprt0 register.
|
|
+ */
|
|
+union hprt0_data {
|
|
+ /** raw register data */
|
|
+ uint32_t d32;
|
|
+ /** register bits */
|
|
+ struct {
|
|
+#define DWC_HPRT0_PRTSPD_LOW_SPEED 2
|
|
+#define DWC_HPRT0_PRTSPD_FULL_SPEED 1
|
|
+#define DWC_HPRT0_PRTSPD_HIGH_SPEED 0
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved19_31:13;
|
|
+ unsigned prtspd:2;
|
|
+ unsigned prttstctl:4;
|
|
+ unsigned prtpwr:1;
|
|
+ unsigned prtlnsts:2;
|
|
+ unsigned reserved9:1;
|
|
+ unsigned prtrst:1;
|
|
+ unsigned prtsusp:1;
|
|
+ unsigned prtres:1;
|
|
+ unsigned prtovrcurrchng:1;
|
|
+ unsigned prtovrcurract:1;
|
|
+ unsigned prtenchng:1;
|
|
+ unsigned prtena:1;
|
|
+ unsigned prtconndet:1;
|
|
+ unsigned prtconnsts:1;
|
|
+#else
|
|
+ unsigned prtconnsts:1;
|
|
+ unsigned prtconndet:1;
|
|
+ unsigned prtena:1;
|
|
+ unsigned prtenchng:1;
|
|
+ unsigned prtovrcurract:1;
|
|
+ unsigned prtovrcurrchng:1;
|
|
+ unsigned prtres:1;
|
|
+ unsigned prtsusp:1;
|
|
+ unsigned prtrst:1;
|
|
+ unsigned reserved9:1;
|
|
+ unsigned prtlnsts:2;
|
|
+ unsigned prtpwr:1;
|
|
+ unsigned prttstctl:4;
|
|
+ unsigned prtspd:2;
|
|
+ unsigned reserved19_31:13;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host All Interrupt
|
|
+ * Register.
|
|
+ */
|
|
+union haint_data {
|
|
+ /** raw register data */
|
|
+ uint32_t d32;
|
|
+ /** register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:16;
|
|
+ unsigned ch15:1;
|
|
+ unsigned ch14:1;
|
|
+ unsigned ch13:1;
|
|
+ unsigned ch12:1;
|
|
+ unsigned ch11:1;
|
|
+ unsigned ch10:1;
|
|
+ unsigned ch9:1;
|
|
+ unsigned ch8:1;
|
|
+ unsigned ch7:1;
|
|
+ unsigned ch6:1;
|
|
+ unsigned ch5:1;
|
|
+ unsigned ch4:1;
|
|
+ unsigned ch3:1;
|
|
+ unsigned ch2:1;
|
|
+ unsigned ch1:1;
|
|
+ unsigned ch0:1;
|
|
+#else
|
|
+ unsigned ch0:1;
|
|
+ unsigned ch1:1;
|
|
+ unsigned ch2:1;
|
|
+ unsigned ch3:1;
|
|
+ unsigned ch4:1;
|
|
+ unsigned ch5:1;
|
|
+ unsigned ch6:1;
|
|
+ unsigned ch7:1;
|
|
+ unsigned ch8:1;
|
|
+ unsigned ch9:1;
|
|
+ unsigned ch10:1;
|
|
+ unsigned ch11:1;
|
|
+ unsigned ch12:1;
|
|
+ unsigned ch13:1;
|
|
+ unsigned ch14:1;
|
|
+ unsigned ch15:1;
|
|
+ unsigned reserved:16;
|
|
+#endif
|
|
+ } b;
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:16;
|
|
+ unsigned chint:16;
|
|
+#else
|
|
+ unsigned chint:16;
|
|
+ unsigned reserved:16;
|
|
+#endif
|
|
+ } b2;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host All Interrupt
|
|
+ * Register.
|
|
+ */
|
|
+union haintmsk_data {
|
|
+ /** raw register data */
|
|
+ uint32_t d32;
|
|
+ /** register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:16;
|
|
+ unsigned ch15:1;
|
|
+ unsigned ch14:1;
|
|
+ unsigned ch13:1;
|
|
+ unsigned ch12:1;
|
|
+ unsigned ch11:1;
|
|
+ unsigned ch10:1;
|
|
+ unsigned ch9:1;
|
|
+ unsigned ch8:1;
|
|
+ unsigned ch7:1;
|
|
+ unsigned ch6:1;
|
|
+ unsigned ch5:1;
|
|
+ unsigned ch4:1;
|
|
+ unsigned ch3:1;
|
|
+ unsigned ch2:1;
|
|
+ unsigned ch1:1;
|
|
+ unsigned ch0:1;
|
|
+#else
|
|
+ unsigned ch0:1;
|
|
+ unsigned ch1:1;
|
|
+ unsigned ch2:1;
|
|
+ unsigned ch3:1;
|
|
+ unsigned ch4:1;
|
|
+ unsigned ch5:1;
|
|
+ unsigned ch6:1;
|
|
+ unsigned ch7:1;
|
|
+ unsigned ch8:1;
|
|
+ unsigned ch9:1;
|
|
+ unsigned ch10:1;
|
|
+ unsigned ch11:1;
|
|
+ unsigned ch12:1;
|
|
+ unsigned ch13:1;
|
|
+ unsigned ch14:1;
|
|
+ unsigned ch15:1;
|
|
+ unsigned reserved:16;
|
|
+#endif
|
|
+ } b;
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:16;
|
|
+ unsigned chint:16;
|
|
+#else
|
|
+ unsigned chint:16;
|
|
+ unsigned reserved:16;
|
|
+#endif
|
|
+ } b2;
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Host Channel Specific Registers. 500h-5FCh
|
|
+ */
|
|
+struct dwc_otg_hc_regs {
|
|
+ /*
|
|
+ * Host Channel 0 Characteristic Register.
|
|
+ * Offset: 500h + (chan_num * 20h) + 00h
|
|
+ */
|
|
+ uint32_t hcchar;
|
|
+ /*
|
|
+ * Host Channel 0 Split Control Register.
|
|
+ * Offset: 500h + (chan_num * 20h) + 04h
|
|
+ */
|
|
+ uint32_t hcsplt;
|
|
+ /*
|
|
+ * Host Channel 0 Interrupt Register.
|
|
+ * Offset: 500h + (chan_num * 20h) + 08h
|
|
+ */
|
|
+ uint32_t hcint;
|
|
+ /*
|
|
+ * Host Channel 0 Interrupt Mask Register.
|
|
+ * Offset: 500h + (chan_num * 20h) + 0Ch
|
|
+ */
|
|
+ uint32_t hcintmsk;
|
|
+ /*
|
|
+ * Host Channel 0 Transfer Size Register.
|
|
+ * Offset: 500h + (chan_num * 20h) + 10h
|
|
+ */
|
|
+ uint32_t hctsiz;
|
|
+ /*
|
|
+ * Host Channel 0 DMA Address Register.
|
|
+ * Offset: 500h + (chan_num * 20h) + 14h
|
|
+ */
|
|
+ uint32_t hcdma;
|
|
+ /*
|
|
+ * Reserved.
|
|
+ * Offset: 500h + (chan_num * 20h) + 18h -
|
|
+ * 500h + (chan_num * 20h) + 1Ch
|
|
+ */
|
|
+ uint32_t reserved[2];
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host Channel Characteristics
|
|
+ * Register. Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements. Write the d32 member to the
|
|
+ * hcchar register.
|
|
+ */
|
|
+union hcchar_data {
|
|
+ /** raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /** register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned chen:1;
|
|
+ unsigned chdis:1;
|
|
+ unsigned oddfrm:1;
|
|
+ unsigned devaddr:7;
|
|
+ unsigned multicnt:2;
|
|
+ unsigned eptype:2;
|
|
+ unsigned lspddev:1;
|
|
+ unsigned reserved:1;
|
|
+ unsigned epdir:1;
|
|
+ unsigned epnum:4;
|
|
+ unsigned mps:11;
|
|
+#else
|
|
+
|
|
+ /* Maximum packet size in bytes */
|
|
+ unsigned mps:11;
|
|
+
|
|
+ /* Endpoint number */
|
|
+ unsigned epnum:4;
|
|
+
|
|
+ /* 0: OUT, 1: IN */
|
|
+ unsigned epdir:1;
|
|
+
|
|
+ unsigned reserved:1;
|
|
+
|
|
+ /* 0: Full/high speed device, 1: Low speed device */
|
|
+ unsigned lspddev:1;
|
|
+
|
|
+ /* 0: Control, 1: Isoc, 2: Bulk, 3: Intr */
|
|
+ unsigned eptype:2;
|
|
+
|
|
+ /* Packets per frame for periodic transfers. 0 is reserved. */
|
|
+ unsigned multicnt:2;
|
|
+
|
|
+ /* Device address */
|
|
+ unsigned devaddr:7;
|
|
+
|
|
+ /*
|
|
+ * Frame to transmit periodic transaction.
|
|
+ * 0: even, 1: odd
|
|
+ */
|
|
+ unsigned oddfrm:1;
|
|
+
|
|
+ /* Channel disable */
|
|
+ unsigned chdis:1;
|
|
+
|
|
+ /* Channel enable */
|
|
+ unsigned chen:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+union hcsplt_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_HCSPLIT_XACTPOS_ALL 3
|
|
+#define DWC_HCSPLIT_XACTPOS_BEGIN 2
|
|
+#define DWC_HCSPLIT_XACTPOS_END 1
|
|
+#define DWC_HCSPLIT_XACTPOS_MID 0
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned spltena:1;
|
|
+ unsigned reserved:14;
|
|
+ unsigned compsplt:1;
|
|
+ unsigned xactpos:2;
|
|
+ unsigned hubaddr:7;
|
|
+ unsigned prtaddr:7;
|
|
+#else
|
|
+
|
|
+ /* Port Address */
|
|
+ unsigned prtaddr:7;
|
|
+
|
|
+ /* Hub Address */
|
|
+ unsigned hubaddr:7;
|
|
+
|
|
+ /* Transaction Position */
|
|
+ unsigned xactpos:2;
|
|
+
|
|
+ /* Do Complete Split */
|
|
+ unsigned compsplt:1;
|
|
+
|
|
+ /* Reserved */
|
|
+ unsigned reserved:14;
|
|
+
|
|
+ /* Split Enble */
|
|
+ unsigned spltena:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host All Interrupt
|
|
+ * Register.
|
|
+ */
|
|
+union hcint_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:21;
|
|
+ unsigned datatglerr:1;
|
|
+ unsigned frmovrun:1;
|
|
+ unsigned bblerr:1;
|
|
+ unsigned xacterr:1;
|
|
+ unsigned nyet:1;
|
|
+ unsigned ack:1;
|
|
+ unsigned nak:1;
|
|
+ unsigned stall:1;
|
|
+ unsigned ahberr:1;
|
|
+ unsigned chhltd:1;
|
|
+ unsigned xfercomp:1;
|
|
+#else
|
|
+
|
|
+ /* Transfer Complete */
|
|
+ unsigned xfercomp:1;
|
|
+ /* Channel Halted */
|
|
+ unsigned chhltd:1;
|
|
+ /* AHB Error */
|
|
+ unsigned ahberr:1;
|
|
+ /* STALL Response Received */
|
|
+ unsigned stall:1;
|
|
+ /* NAK Response Received */
|
|
+ unsigned nak:1;
|
|
+ /* ACK Response Received */
|
|
+ unsigned ack:1;
|
|
+ /* NYET Response Received */
|
|
+ unsigned nyet:1;
|
|
+ /* Transaction Err */
|
|
+ unsigned xacterr:1;
|
|
+ /* Babble Error */
|
|
+ unsigned bblerr:1;
|
|
+ /* Frame Overrun */
|
|
+ unsigned frmovrun:1;
|
|
+ /* Data Toggle Error */
|
|
+ unsigned datatglerr:1;
|
|
+ /* Reserved */
|
|
+ unsigned reserved:21;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host Channel Transfer Size
|
|
+ * Register. Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements. Write the d32 member to the
|
|
+ * hcchar register.
|
|
+ */
|
|
+union hctsiz_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#define DWC_HCTSIZ_SETUP 3
|
|
+#define DWC_HCTSIZ_MDATA 3
|
|
+#define DWC_HCTSIZ_DATA2 1
|
|
+#define DWC_HCTSIZ_DATA1 2
|
|
+#define DWC_HCTSIZ_DATA0 0
|
|
+
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned dopng:1;
|
|
+ unsigned pid:2;
|
|
+ unsigned pktcnt:10;
|
|
+ unsigned xfersize:19;
|
|
+#else
|
|
+
|
|
+ /* Total transfer size in bytes */
|
|
+ unsigned xfersize:19;
|
|
+
|
|
+ /* Data packets to transfer */
|
|
+ unsigned pktcnt:10;
|
|
+
|
|
+ /*
|
|
+ * Packet ID for next data packet
|
|
+ * 0: DATA0
|
|
+ * 1: DATA2
|
|
+ * 2: DATA1
|
|
+ * 3: MDATA (non-Control), SETUP (Control)
|
|
+ */
|
|
+ unsigned pid:2;
|
|
+
|
|
+ /* Do PING protocol when 1 */
|
|
+ unsigned dopng:1;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Host Channel Interrupt Mask
|
|
+ * Register. Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements. Write the d32 member to the
|
|
+ * hcintmsk register.
|
|
+ */
|
|
+union hcintmsk_data {
|
|
+ /** raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /** register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:21;
|
|
+ unsigned datatglerr:1;
|
|
+ unsigned frmovrun:1;
|
|
+ unsigned bblerr:1;
|
|
+ unsigned xacterr:1;
|
|
+ unsigned nyet:1;
|
|
+ unsigned ack:1;
|
|
+ unsigned nak:1;
|
|
+ unsigned stall:1;
|
|
+ unsigned ahberr:1;
|
|
+ unsigned chhltd:1;
|
|
+ unsigned xfercompl:1;
|
|
+#else
|
|
+ unsigned xfercompl:1;
|
|
+ unsigned chhltd:1;
|
|
+ unsigned ahberr:1;
|
|
+ unsigned stall:1;
|
|
+ unsigned nak:1;
|
|
+ unsigned ack:1;
|
|
+ unsigned nyet:1;
|
|
+ unsigned xacterr:1;
|
|
+ unsigned bblerr:1;
|
|
+ unsigned frmovrun:1;
|
|
+ unsigned datatglerr:1;
|
|
+ unsigned reserved:21;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+/** OTG Host Interface Structure.
|
|
+ *
|
|
+ * The OTG Host Interface Structure structure contains information
|
|
+ * needed to manage the DWC_otg controller acting in host mode. It
|
|
+ * represents the programming view of the host-specific aspects of the
|
|
+ * controller.
|
|
+ */
|
|
+struct dwc_otg_host_if {
|
|
+ /* Host Global Registers starting at offset 400h.*/
|
|
+ struct dwc_otg_host_global_regs *host_global_regs;
|
|
+#define DWC_OTG_HOST_GLOBAL_REG_OFFSET 0x400
|
|
+
|
|
+ /* Host Port 0 Control and Status Register */
|
|
+ uint32_t *hprt0;
|
|
+#define DWC_OTG_HOST_PORT_REGS_OFFSET 0x440
|
|
+
|
|
+ /* Host Channel Specific Registers at offsets 500h-5FCh. */
|
|
+ struct dwc_otg_hc_regs *hc_regs[MAX_EPS_CHANNELS];
|
|
+#define DWC_OTG_HOST_CHAN_REGS_OFFSET 0x500
|
|
+#define DWC_OTG_CHAN_REGS_OFFSET 0x20
|
|
+
|
|
+ /* Host configuration information */
|
|
+ /* Number of Host Channels (range: 1-16) */
|
|
+ uint8_t num_host_channels;
|
|
+ /* Periodic EPs supported (0: no, 1: yes) */
|
|
+ uint8_t perio_eps_supported;
|
|
+ /* Periodic Tx FIFO Size (Only 1 host periodic Tx FIFO) */
|
|
+ uint16_t perio_tx_fifo_size;
|
|
+
|
|
+};
|
|
+
|
|
+/**
|
|
+ * This union represents the bit fields in the Power and Clock Gating Control
|
|
+ * Register. Read the register into the d32 member then set/clear the
|
|
+ * bits using the bit elements.
|
|
+ */
|
|
+union pcgcctl_data {
|
|
+ /* raw register data */
|
|
+ uint32_t d32;
|
|
+
|
|
+ /* register bits */
|
|
+ struct {
|
|
+#ifdef __BIG_ENDIAN_BITFIELD
|
|
+ unsigned reserved:27;
|
|
+ unsigned physuspended:1;
|
|
+ unsigned rstpdwnmodule:1;
|
|
+ unsigned pwrclmp:1;
|
|
+ unsigned gatehclk:1;
|
|
+ unsigned stoppclk:1;
|
|
+#else
|
|
+
|
|
+ /* Stop Pclk */
|
|
+ unsigned stoppclk:1;
|
|
+ /* Gate Hclk */
|
|
+ unsigned gatehclk:1;
|
|
+ /* Power Clamp */
|
|
+ unsigned pwrclmp:1;
|
|
+ /* Reset Power Down Modules */
|
|
+ unsigned rstpdwnmodule:1;
|
|
+ /* PHY Suspended */
|
|
+ unsigned physuspended:1;
|
|
+
|
|
+ unsigned reserved:27;
|
|
+#endif
|
|
+ } b;
|
|
+};
|
|
+
|
|
+#endif
|
|
--
|
|
1.6.0.6
|
|
|