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210 lines
6.2 KiB
Diff
210 lines
6.2 KiB
Diff
From d4d6e6229c94cfe2bd8f29b4ebc0d60b8ad29455 Mon Sep 17 00:00:00 2001
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From: mokopatches <mokopatches@openmoko.org>
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Date: Wed, 16 Jul 2008 14:46:57 +0100
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Subject: [PATCH] gta02-bt-fixes.patch
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Modify GTA02 power manager for bluetooth.
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1. Default power value isn't correct. Now we set pcf50633 LDO4 to 3.2 voltage.
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2. Separate GTA01 and GTA02 source code.
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3. Add pcf50633 API for enable register.
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---
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arch/arm/mach-s3c2440/mach-gta02.c | 4 +-
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arch/arm/plat-s3c24xx/neo1973_pm_bt.c | 71 ++++++++++++++++++++++++++++----
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include/linux/pcf50633.h | 1 +
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3 files changed, 65 insertions(+), 11 deletions(-)
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diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
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index 3fbb131..46acede 100644
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--- a/arch/arm/mach-s3c2440/mach-gta02.c
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+++ b/arch/arm/mach-s3c2440/mach-gta02.c
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@@ -213,10 +213,10 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
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},
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},
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[PCF50633_REGULATOR_LDO4] = {
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- .name = "gl_2v5",
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+ .name = "bt_3v2",
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.voltage = {
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.init = 2500,
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- .max = 2500,
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+ .max = 3300,
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},
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},
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[PCF50633_REGULATOR_LDO5] = {
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diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
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index d685ef7..8f5be88 100644
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--- a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
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+++ b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
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@@ -16,12 +16,19 @@
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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-#include <linux/pcf50606.h>
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-
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA01
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#include <asm/arch/gta01.h>
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+#include <linux/pcf50606.h>
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+#endif
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA02
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#include <asm/arch/gta02.h>
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+#include <linux/pcf50633.h>
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+#endif
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+
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#define DRVMSG "FIC Neo1973 Bluetooth Power Management"
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@@ -30,6 +37,8 @@ static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
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{
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if (!strcmp(attr->attr.name, "power_on")) {
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switch (machine_arch_type) {
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA01
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case MACH_TYPE_NEO1973_GTA01:
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if (pcf50606_onoff_get(pcf50606_global,
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PCF50606_REGULATOR_D1REG) &&
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@@ -37,21 +46,33 @@ static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
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PCF50606_REGULATOR_D1REG) == 3100)
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goto out_1;
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA01 */
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA02
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case MACH_TYPE_NEO1973_GTA02:
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if (s3c2410_gpio_getpin(GTA02_GPIO_BT_EN))
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goto out_1;
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA02 */
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+
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}
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} else if (!strcmp(attr->attr.name, "reset")) {
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switch (machine_arch_type) {
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA01
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case MACH_TYPE_NEO1973_GTA01:
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if (s3c2410_gpio_getpin(GTA01_GPIO_BT_EN) == 0)
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goto out_1;
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA01 */
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA02
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case MACH_TYPE_NEO1973_GTA02:
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if (s3c2410_gpio_getpin(GTA02_GPIO_BT_EN) == 0)
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goto out_1;
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA02 */
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+
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}
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}
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@@ -64,9 +85,12 @@ static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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unsigned long on = simple_strtoul(buf, NULL, 10);
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+ unsigned int vol;
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if (!strcmp(attr->attr.name, "power_on")) {
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switch (machine_arch_type) {
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA01
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case MACH_TYPE_NEO1973_GTA01:
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/* if we are powering up, assert reset, then power,
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* then release reset */
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@@ -80,22 +104,39 @@ static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
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PCF50606_REGULATOR_D1REG, on);
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s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on);
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA01 */
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA02
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case MACH_TYPE_NEO1973_GTA02:
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+ s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
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if (on)
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- s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 0);
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- else
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- s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 1);
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+ pcf50633_voltage_set(pcf50633_global,
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+ PCF50633_REGULATOR_LDO4, 3200);
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+ pcf50633_onoff_set(pcf50633_global,
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+ PCF50633_REGULATOR_LDO4, on);
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+ vol = pcf50633_voltage_get(pcf50633_global,
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+ PCF50633_REGULATOR_LDO4);
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+ dev_info(dev, "GTA02 Set PCF50633 LDO4 = %d\n", vol);
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA02 */
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+
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}
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} else if (!strcmp(attr->attr.name, "reset")) {
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/* reset is low-active, so we need to invert */
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switch (machine_arch_type) {
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA01
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case MACH_TYPE_NEO1973_GTA01:
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s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on ? 0 : 1);
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA01 */
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA02
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case MACH_TYPE_NEO1973_GTA02:
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s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA02 */
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+
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}
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}
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@@ -143,18 +184,30 @@ static int __init gta01_bt_probe(struct platform_device *pdev)
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dev_info(&pdev->dev, DRVMSG ": starting\n");
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switch (machine_arch_type) {
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA01
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case MACH_TYPE_NEO1973_GTA01:
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/* we make sure that the voltage is off */
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pcf50606_onoff_set(pcf50606_global,
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PCF50606_REGULATOR_D1REG, 0);
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+ /* we pull reset to low to make sure that the chip doesn't
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+ * drain power through the reset line */
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+ s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA01 */
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+
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+#ifdef CONFIG_MACH_NEO1973_GTA02
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case MACH_TYPE_NEO1973_GTA02:
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- /* FIXME: implementation */
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+ /* we make sure that the voltage is off */
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+ pcf50633_onoff_set(pcf50633_global,
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+ PCF50633_REGULATOR_LDO4, 0);
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+ /* we pull reset to low to make sure that the chip doesn't
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+ * drain power through the reset line */
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+ s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 0);
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break;
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+#endif /* CONFIG_MACH_NEO1973_GTA02 */
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+
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}
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- /* we pull reset to low to make sure that the chip doesn't
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- * drain power through the reset line */
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- s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
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return sysfs_create_group(&pdev->dev.kobj, >a01_bt_attr_group);
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}
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diff --git a/include/linux/pcf50633.h b/include/linux/pcf50633.h
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index bf50fe4..b6a67ee 100644
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--- a/include/linux/pcf50633.h
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+++ b/include/linux/pcf50633.h
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@@ -46,6 +46,7 @@ pcf50633_voltage_set(struct pcf50633_data *pcf,
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extern unsigned int
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pcf50633_voltage_get(struct pcf50633_data *pcf,
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enum pcf50633_regulator_id reg);
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+
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extern int
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pcf50633_onoff_get(struct pcf50633_data *pcf,
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enum pcf50633_regulator_id reg);
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--
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1.5.6.3
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