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762 lines
21 KiB
Diff
762 lines
21 KiB
Diff
From c667b06f616d5dec68469ac73764abd5bcb1d694 Mon Sep 17 00:00:00 2001
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From: FERHAT Nicolas <contact@audiophonics.fr>
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Date: Fri, 5 Apr 2019 13:06:42 +0100
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Subject: [PATCH] Audiophonics I-Sabre 9038Q2M DAC driver
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Signed-off-by: Audiophonics <contact@audiophonics.fr>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 6 +
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.../boot/dts/overlays/i-sabre-q2m-overlay.dts | 39 ++
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sound/soc/bcm/Kconfig | 7 +
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sound/soc/bcm/Makefile | 2 +
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sound/soc/bcm/i-sabre-q2m.c | 157 +++++++
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sound/soc/codecs/Kconfig | 5 +
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sound/soc/codecs/Makefile | 2 +
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sound/soc/codecs/i-sabre-codec.c | 392 ++++++++++++++++++
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sound/soc/codecs/i-sabre-codec.h | 42 ++
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13 files changed, 656 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/i-sabre-q2m-overlay.dts
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create mode 100644 sound/soc/bcm/i-sabre-q2m.c
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create mode 100644 sound/soc/codecs/i-sabre-codec.c
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create mode 100644 sound/soc/codecs/i-sabre-codec.h
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -55,6 +55,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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hy28a.dtbo \
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hy28b.dtbo \
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hy28b-2017.dtbo \
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+ i-sabre-q2m.dtbo \
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i2c-bcm2708.dtbo \
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i2c-gpio.dtbo \
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i2c-mux.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -869,6 +869,12 @@ Params: speed Display
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ledgpio GPIO used to control backlight
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+Name: i-sabre-q2m
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+Info: Configures the Audiophonics I-SABRE Q2M DAC
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+Load: dtoverlay=i-sabre-q2m
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+Params: <None>
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+
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+
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Name: i2c-bcm2708
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Info: Fall back to the i2c_bcm2708 driver for the i2c_arm bus.
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Load: dtoverlay=i2c-bcm2708
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/i-sabre-q2m-overlay.dts
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@@ -0,0 +1,39 @@
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+// Definitions for I-Sabre Q2M
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&sound>;
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+ frag0: __overlay__ {
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+ compatible = "audiophonics,i-sabre-q2m";
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+ i2s-controller = <&i2s>;
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&i2s>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&i2c1>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ i-sabre-codec@48 {
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+ #sound-dai-cells = <0>;
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+ compatible = "audiophonics,i-sabre-codec";
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+ reg = <0x48>;
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+ status = "okay";
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+ };
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+ };
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+ };
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+};
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--- a/sound/soc/bcm/Kconfig
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+++ b/sound/soc/bcm/Kconfig
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@@ -123,6 +123,13 @@ config SND_BCM2708_SOC_IQAUDIO_DIGI
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help
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Say Y or M if you want to add support for IQAudIO Digital IO board.
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+config SND_BCM2708_SOC_I_SABRE_Q2M
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+ tristate "Support for Audiophonics I-Sabre Q2M DAC"
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+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
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+ select SND_SOC_I_SABRE_CODEC
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+ help
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+ Say Y or M if you want to add support for Audiophonics I-SABRE Q2M DAC
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+
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config SND_BCM2708_SOC_ADAU1977_ADC
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tristate "Support for ADAU1977 ADC"
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depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
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--- a/sound/soc/bcm/Makefile
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+++ b/sound/soc/bcm/Makefile
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@@ -19,6 +19,7 @@ snd-soc-justboom-dac-objs := justboom-da
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snd-soc-rpi-cirrus-objs := rpi-cirrus.o
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snd-soc-rpi-proto-objs := rpi-proto.o
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snd-soc-iqaudio-dac-objs := iqaudio-dac.o
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+ snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
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snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
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snd-soc-audioinjector-octo-soundcard-objs := audioinjector-octo-soundcard.o
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snd-soc-audiosense-pi-objs := audiosense-pi.o
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@@ -42,6 +43,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_DA
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obj-$(CONFIG_SND_BCM2708_SOC_RPI_CIRRUS) += snd-soc-rpi-cirrus.o
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obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
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obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
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+ obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
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obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o
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obj-$(CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD) += snd-soc-audioinjector-octo-soundcard.o
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obj-$(CONFIG_SND_AUDIOSENSE_PI) += snd-soc-audiosense-pi.o
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--- /dev/null
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+++ b/sound/soc/bcm/i-sabre-q2m.c
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@@ -0,0 +1,157 @@
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+/*
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+ * ASoC Driver for I-Sabre Q2M
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+ *
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+ * Author: Satoru Kawase
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+ * Modified by: Xiao Qingyong
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+ * Update kernel v4.18+ by : Audiophonics
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+ * Copyright 2018 Audiophonics
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/delay.h>
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+#include <linux/fs.h>
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+#include <asm/uaccess.h>
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+#include <sound/core.h>
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+#include <sound/soc.h>
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+#include <sound/pcm.h>
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+#include <sound/pcm_params.h>
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+
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+#include "../codecs/i-sabre-codec.h"
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+
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+
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+static int snd_rpi_i_sabre_q2m_init(struct snd_soc_pcm_runtime *rtd)
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+{
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+ struct snd_soc_component *component = rtd->codec_dai->component;
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+ unsigned int value;
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+
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+ /* Device ID */
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+ value = snd_soc_component_read32(component, ISABRECODEC_REG_01);
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+ dev_info(component->card->dev, "Audiophonics Device ID : %02X\n", value);
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+
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+ /* API revision */
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+ value = snd_soc_component_read32(component, ISABRECODEC_REG_02);
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+ dev_info(component->card->dev, "Audiophonics API revision : %02X\n", value);
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+
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+ return 0;
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+}
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+
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+static int snd_rpi_i_sabre_q2m_hw_params(
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+ struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
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+{
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+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
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+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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+ int bclk_ratio;
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+
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+ bclk_ratio = snd_pcm_format_physical_width(
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+ params_format(params)) * params_channels(params);
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+ return snd_soc_dai_set_bclk_ratio(cpu_dai, bclk_ratio);
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+}
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+
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+/* machine stream operations */
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+static struct snd_soc_ops snd_rpi_i_sabre_q2m_ops = {
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+ .hw_params = snd_rpi_i_sabre_q2m_hw_params,
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+};
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+
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+
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+static struct snd_soc_dai_link snd_rpi_i_sabre_q2m_dai[] = {
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+ {
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+ .name = "I-Sabre Q2M",
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+ .stream_name = "I-Sabre Q2M DAC",
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+ .cpu_dai_name = "bcm2708-i2s.0",
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+ .codec_dai_name = "i-sabre-codec-dai",
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+ .platform_name = "bcm2708-i2s.0",
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+ .codec_name = "i-sabre-codec-i2c.1-0048",
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+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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+ | SND_SOC_DAIFMT_CBS_CFS,
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+ .init = snd_rpi_i_sabre_q2m_init,
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+ .ops = &snd_rpi_i_sabre_q2m_ops,
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+ }
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+};
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+
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+/* audio machine driver */
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+static struct snd_soc_card snd_rpi_i_sabre_q2m = {
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+ .name = "I-Sabre Q2M DAC",
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+ .owner = THIS_MODULE,
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+ .dai_link = snd_rpi_i_sabre_q2m_dai,
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+ .num_links = ARRAY_SIZE(snd_rpi_i_sabre_q2m_dai)
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+};
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+
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+
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+static int snd_rpi_i_sabre_q2m_probe(struct platform_device *pdev)
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+{
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+ int ret = 0;
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+
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+ snd_rpi_i_sabre_q2m.dev = &pdev->dev;
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+ if (pdev->dev.of_node) {
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+ struct device_node *i2s_node;
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+ struct snd_soc_dai_link *dai;
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+
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+ dai = &snd_rpi_i_sabre_q2m_dai[0];
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+ i2s_node = of_parse_phandle(pdev->dev.of_node,
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+ "i2s-controller", 0);
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+ if (i2s_node) {
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+ dai->cpu_dai_name = NULL;
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+ dai->cpu_of_node = i2s_node;
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+ dai->platform_name = NULL;
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+ dai->platform_of_node = i2s_node;
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+ } else {
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+ dev_err(&pdev->dev,
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+ "Property 'i2s-controller' missing or invalid\n");
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+ return (-EINVAL);
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+ }
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+
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+ dai->name = "I-Sabre Q2M";
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+ dai->stream_name = "I-Sabre Q2M DAC";
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+ dai->dai_fmt = SND_SOC_DAIFMT_I2S
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+ | SND_SOC_DAIFMT_NB_NF
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+ | SND_SOC_DAIFMT_CBS_CFS;
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+ }
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+
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+ /* Wait for registering codec driver */
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+ mdelay(50);
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+
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+ ret = snd_soc_register_card(&snd_rpi_i_sabre_q2m);
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+ if (ret) {
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+ dev_err(&pdev->dev,
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+ "snd_soc_register_card() failed: %d\n", ret);
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+ }
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+
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+ return ret;
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+}
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+
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+static int snd_rpi_i_sabre_q2m_remove(struct platform_device *pdev)
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+{
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+ return snd_soc_unregister_card(&snd_rpi_i_sabre_q2m);
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+}
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+
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+static const struct of_device_id snd_rpi_i_sabre_q2m_of_match[] = {
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+ { .compatible = "audiophonics,i-sabre-q2m", },
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+ {}
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+};
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+MODULE_DEVICE_TABLE(of, snd_rpi_i_sabre_q2m_of_match);
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+
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+static struct platform_driver snd_rpi_i_sabre_q2m_driver = {
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+ .driver = {
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+ .name = "snd-rpi-i-sabre-q2m",
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+ .owner = THIS_MODULE,
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+ .of_match_table = snd_rpi_i_sabre_q2m_of_match,
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+ },
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+ .probe = snd_rpi_i_sabre_q2m_probe,
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+ .remove = snd_rpi_i_sabre_q2m_remove,
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+};
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+module_platform_driver(snd_rpi_i_sabre_q2m_driver);
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+
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+MODULE_DESCRIPTION("ASoC Driver for I-Sabre Q2M");
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+MODULE_AUTHOR("Audiophonics <http://www.audiophonics.fr>");
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+MODULE_LICENSE("GPL");
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--- a/sound/soc/codecs/Kconfig
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+++ b/sound/soc/codecs/Kconfig
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@@ -85,6 +85,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_ICS43432
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select SND_SOC_INNO_RK3036
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select SND_SOC_ISABELLE if I2C
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+ select SND_SOC_I_SABRE_CODEC if I2C
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select SND_SOC_JZ4740_CODEC
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select SND_SOC_LM4857 if I2C
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select SND_SOC_LM49453 if I2C
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@@ -1322,4 +1323,8 @@ config SND_SOC_TPA6130A2
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tristate "Texas Instruments TPA6130A2 headphone amplifier"
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depends on I2C
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+config SND_SOC_I_SABRE_CODEC
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+ tristate "Audiophonics I-SABRE Codec"
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+ depends on I2C
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+
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endmenu
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--- a/sound/soc/codecs/Makefile
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+++ b/sound/soc/codecs/Makefile
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@@ -81,6 +81,7 @@ snd-soc-hdac-hdmi-objs := hdac_hdmi.o
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snd-soc-ics43432-objs := ics43432.o
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snd-soc-inno-rk3036-objs := inno_rk3036.o
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snd-soc-isabelle-objs := isabelle.o
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+snd-soc-i-sabre-codec-objs := i-sabre-codec.o
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snd-soc-jz4740-codec-objs := jz4740.o
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snd-soc-l3-objs := l3.o
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snd-soc-lm4857-objs := lm4857.o
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@@ -343,6 +344,7 @@ obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-s
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obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o
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obj-$(CONFIG_SND_SOC_INNO_RK3036) += snd-soc-inno-rk3036.o
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obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o
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+obj-$(CONFIG_SND_SOC_I_SABRE_CODEC) += snd-soc-i-sabre-codec.o
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obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o
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obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o
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obj-$(CONFIG_SND_SOC_LM4857) += snd-soc-lm4857.o
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--- /dev/null
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+++ b/sound/soc/codecs/i-sabre-codec.c
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@@ -0,0 +1,392 @@
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+/*
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+ * Driver for I-Sabre Q2M
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+ *
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+ * Author: Satoru Kawase
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+ * Modified by: Xiao Qingyong
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+ * Modified by: JC BARBAUD (Mute)
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+ * Update kernel v4.18+ by : Audiophonics
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+ * Copyright 2018 Audiophonics
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ */
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+
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/regmap.h>
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+#include <linux/i2c.h>
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+#include <sound/soc.h>
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+#include <sound/pcm_params.h>
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+#include <sound/tlv.h>
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+
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+#include "i-sabre-codec.h"
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+
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+
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+/* I-Sabre Q2M Codec Private Data */
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+struct i_sabre_codec_priv {
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+ struct regmap *regmap;
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+ unsigned int fmt;
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+};
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+
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+
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+/* I-Sabre Q2M Codec Default Register Value */
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+static const struct reg_default i_sabre_codec_reg_defaults[] = {
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+ { ISABRECODEC_REG_10, 0x00 },
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+ { ISABRECODEC_REG_20, 0x00 },
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+ { ISABRECODEC_REG_21, 0x00 },
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+ { ISABRECODEC_REG_22, 0x00 },
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+ { ISABRECODEC_REG_24, 0x00 },
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+};
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+
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+
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+static bool i_sabre_codec_writeable(struct device *dev, unsigned int reg)
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+{
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+ switch (reg) {
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+ case ISABRECODEC_REG_10:
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+ case ISABRECODEC_REG_20:
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+ case ISABRECODEC_REG_21:
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+ case ISABRECODEC_REG_22:
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+ case ISABRECODEC_REG_24:
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+ return true;
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+
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+ default:
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+ return false;
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+ }
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+}
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+
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+static bool i_sabre_codec_readable(struct device *dev, unsigned int reg)
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+{
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+ switch (reg) {
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+ case ISABRECODEC_REG_01:
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+ case ISABRECODEC_REG_02:
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+ case ISABRECODEC_REG_10:
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+ case ISABRECODEC_REG_20:
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+ case ISABRECODEC_REG_21:
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+ case ISABRECODEC_REG_22:
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+ case ISABRECODEC_REG_24:
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+ return true;
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+
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+ default:
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+ return false;
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+ }
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+}
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+
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|
+static bool i_sabre_codec_volatile(struct device *dev, unsigned int reg)
|
|
+{
|
|
+ switch (reg) {
|
|
+ case ISABRECODEC_REG_01:
|
|
+ case ISABRECODEC_REG_02:
|
|
+ return true;
|
|
+
|
|
+ default:
|
|
+ return false;
|
|
+ }
|
|
+}
|
|
+
|
|
+
|
|
+/* Volume Scale */
|
|
+static const DECLARE_TLV_DB_SCALE(volume_tlv, -10000, 100, 0);
|
|
+
|
|
+
|
|
+/* Filter Type */
|
|
+static const char * const fir_filter_type_texts[] = {
|
|
+ "brick wall",
|
|
+ "corrected minimum phase fast",
|
|
+ "minimum phase slow",
|
|
+ "minimum phase fast",
|
|
+ "linear phase slow",
|
|
+ "linear phase fast",
|
|
+ "apodizing fast",
|
|
+};
|
|
+
|
|
+static SOC_ENUM_SINGLE_DECL(i_sabre_fir_filter_type_enum,
|
|
+ ISABRECODEC_REG_22, 0, fir_filter_type_texts);
|
|
+
|
|
+
|
|
+/* I2S / SPDIF Select */
|
|
+static const char * const iis_spdif_sel_texts[] = {
|
|
+ "I2S",
|
|
+ "SPDIF",
|
|
+};
|
|
+
|
|
+static SOC_ENUM_SINGLE_DECL(i_sabre_iis_spdif_sel_enum,
|
|
+ ISABRECODEC_REG_24, 0, iis_spdif_sel_texts);
|
|
+
|
|
+
|
|
+/* Control */
|
|
+static const struct snd_kcontrol_new i_sabre_codec_controls[] = {
|
|
+SOC_SINGLE_RANGE_TLV("Digital Playback Volume", ISABRECODEC_REG_20, 0, 0, 100, 1, volume_tlv),
|
|
+SOC_SINGLE("Digital Playback Switch", ISABRECODEC_REG_21, 0, 1, 1),
|
|
+SOC_ENUM("FIR Filter Type", i_sabre_fir_filter_type_enum),
|
|
+SOC_ENUM("I2S/SPDIF Select", i_sabre_iis_spdif_sel_enum),
|
|
+};
|
|
+
|
|
+
|
|
+static const u32 i_sabre_codec_dai_rates_slave[] = {
|
|
+ 8000, 11025, 16000, 22050, 32000,
|
|
+ 44100, 48000, 64000, 88200, 96000,
|
|
+ 176400, 192000, 352800, 384000,
|
|
+ 705600, 768000, 1411200, 1536000
|
|
+};
|
|
+
|
|
+static const struct snd_pcm_hw_constraint_list constraints_slave = {
|
|
+ .list = i_sabre_codec_dai_rates_slave,
|
|
+ .count = ARRAY_SIZE(i_sabre_codec_dai_rates_slave),
|
|
+};
|
|
+
|
|
+static int i_sabre_codec_dai_startup_slave(
|
|
+ struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
|
|
+{
|
|
+ struct snd_soc_component *component = dai->component;
|
|
+ int ret;
|
|
+
|
|
+ ret = snd_pcm_hw_constraint_list(substream->runtime,
|
|
+ 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_slave);
|
|
+ if (ret != 0) {
|
|
+ dev_err(component->card->dev, "Failed to setup rates constraints: %d\n", ret);
|
|
+ }
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int i_sabre_codec_dai_startup(
|
|
+ struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
|
|
+{
|
|
+ struct snd_soc_component *component = dai->component;
|
|
+ struct i_sabre_codec_priv *i_sabre_codec
|
|
+ = snd_soc_component_get_drvdata(component);
|
|
+
|
|
+ switch (i_sabre_codec->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
+ case SND_SOC_DAIFMT_CBS_CFS:
|
|
+ return i_sabre_codec_dai_startup_slave(substream, dai);
|
|
+
|
|
+ default:
|
|
+ return (-EINVAL);
|
|
+ }
|
|
+}
|
|
+
|
|
+static int i_sabre_codec_hw_params(
|
|
+ struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params,
|
|
+ struct snd_soc_dai *dai)
|
|
+{
|
|
+ struct snd_soc_component *component = dai->component;
|
|
+ struct i_sabre_codec_priv *i_sabre_codec
|
|
+ = snd_soc_component_get_drvdata(component);
|
|
+ unsigned int daifmt;
|
|
+ int format_width;
|
|
+
|
|
+ dev_dbg(component->card->dev, "hw_params %u Hz, %u channels\n",
|
|
+ params_rate(params), params_channels(params));
|
|
+
|
|
+ /* Check I2S Format (Bit Size) */
|
|
+ format_width = snd_pcm_format_width(params_format(params));
|
|
+ if ((format_width != 32) && (format_width != 16)) {
|
|
+ dev_err(component->card->dev, "Bad frame size: %d\n",
|
|
+ snd_pcm_format_width(params_format(params)));
|
|
+ return (-EINVAL);
|
|
+ }
|
|
+
|
|
+ /* Check Slave Mode */
|
|
+ daifmt = i_sabre_codec->fmt & SND_SOC_DAIFMT_MASTER_MASK;
|
|
+ if (daifmt != SND_SOC_DAIFMT_CBS_CFS) {
|
|
+ return (-EINVAL);
|
|
+ }
|
|
+
|
|
+ /* Notify Sampling Frequency */
|
|
+ switch (params_rate(params))
|
|
+ {
|
|
+ case 44100:
|
|
+ case 48000:
|
|
+ case 88200:
|
|
+ case 96000:
|
|
+ case 176400:
|
|
+ case 192000:
|
|
+ snd_soc_component_update_bits(component, ISABRECODEC_REG_10, 0x01, 0x00);
|
|
+ break;
|
|
+
|
|
+ case 352800:
|
|
+ case 384000:
|
|
+ case 705600:
|
|
+ case 768000:
|
|
+ case 1411200:
|
|
+ case 1536000:
|
|
+ snd_soc_component_update_bits(component, ISABRECODEC_REG_10, 0x01, 0x01);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int i_sabre_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|
+{
|
|
+ struct snd_soc_component *component = dai->component;
|
|
+ struct i_sabre_codec_priv *i_sabre_codec
|
|
+ = snd_soc_component_get_drvdata(component);
|
|
+
|
|
+ /* interface format */
|
|
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
+ case SND_SOC_DAIFMT_I2S:
|
|
+ break;
|
|
+
|
|
+ case SND_SOC_DAIFMT_RIGHT_J:
|
|
+ case SND_SOC_DAIFMT_LEFT_J:
|
|
+ default:
|
|
+ return (-EINVAL);
|
|
+ }
|
|
+
|
|
+ /* clock inversion */
|
|
+ if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) {
|
|
+ return (-EINVAL);
|
|
+ }
|
|
+
|
|
+ /* Set Audio Data Format */
|
|
+ i_sabre_codec->fmt = fmt;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int i_sabre_codec_dac_mute(struct snd_soc_dai *dai, int mute)
|
|
+{
|
|
+ struct snd_soc_component *component = dai->component;
|
|
+
|
|
+ if (mute) {
|
|
+ snd_soc_component_update_bits(component, ISABRECODEC_REG_21, 0x01, 0x01);
|
|
+ } else {
|
|
+ snd_soc_component_update_bits(component, ISABRECODEC_REG_21, 0x01, 0x00);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static const struct snd_soc_dai_ops i_sabre_codec_dai_ops = {
|
|
+ .startup = i_sabre_codec_dai_startup,
|
|
+ .hw_params = i_sabre_codec_hw_params,
|
|
+ .set_fmt = i_sabre_codec_set_fmt,
|
|
+ .digital_mute = i_sabre_codec_dac_mute,
|
|
+};
|
|
+
|
|
+static struct snd_soc_dai_driver i_sabre_codec_dai = {
|
|
+ .name = "i-sabre-codec-dai",
|
|
+ .playback = {
|
|
+ .stream_name = "Playback",
|
|
+ .channels_min = 2,
|
|
+ .channels_max = 2,
|
|
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
|
|
+ .rate_min = 8000,
|
|
+ .rate_max = 1536000,
|
|
+ .formats = SNDRV_PCM_FMTBIT_S16_LE
|
|
+ | SNDRV_PCM_FMTBIT_S32_LE,
|
|
+ },
|
|
+ .ops = &i_sabre_codec_dai_ops,
|
|
+};
|
|
+
|
|
+static struct snd_soc_component_driver i_sabre_codec_codec_driver = {
|
|
+ .controls = i_sabre_codec_controls,
|
|
+ .num_controls = ARRAY_SIZE(i_sabre_codec_controls),
|
|
+};
|
|
+
|
|
+
|
|
+static const struct regmap_config i_sabre_codec_regmap = {
|
|
+ .reg_bits = 8,
|
|
+ .val_bits = 8,
|
|
+ .max_register = ISABRECODEC_MAX_REG,
|
|
+
|
|
+ .reg_defaults = i_sabre_codec_reg_defaults,
|
|
+ .num_reg_defaults = ARRAY_SIZE(i_sabre_codec_reg_defaults),
|
|
+
|
|
+ .writeable_reg = i_sabre_codec_writeable,
|
|
+ .readable_reg = i_sabre_codec_readable,
|
|
+ .volatile_reg = i_sabre_codec_volatile,
|
|
+
|
|
+ .cache_type = REGCACHE_RBTREE,
|
|
+};
|
|
+
|
|
+
|
|
+static int i_sabre_codec_probe(struct device *dev, struct regmap *regmap)
|
|
+{
|
|
+ struct i_sabre_codec_priv *i_sabre_codec;
|
|
+ int ret;
|
|
+
|
|
+ i_sabre_codec = devm_kzalloc(dev, sizeof(*i_sabre_codec), GFP_KERNEL);
|
|
+ if (!i_sabre_codec) {
|
|
+ dev_err(dev, "devm_kzalloc");
|
|
+ return (-ENOMEM);
|
|
+ }
|
|
+
|
|
+ i_sabre_codec->regmap = regmap;
|
|
+
|
|
+ dev_set_drvdata(dev, i_sabre_codec);
|
|
+
|
|
+ ret = snd_soc_register_component(dev,
|
|
+ &i_sabre_codec_codec_driver, &i_sabre_codec_dai, 1);
|
|
+ if (ret != 0) {
|
|
+ dev_err(dev, "Failed to register CODEC: %d\n", ret);
|
|
+ return ret;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void i_sabre_codec_remove(struct device *dev)
|
|
+{
|
|
+ snd_soc_unregister_component(dev);
|
|
+}
|
|
+
|
|
+
|
|
+static int i_sabre_codec_i2c_probe(
|
|
+ struct i2c_client *i2c, const struct i2c_device_id *id)
|
|
+{
|
|
+ struct regmap *regmap;
|
|
+
|
|
+ regmap = devm_regmap_init_i2c(i2c, &i_sabre_codec_regmap);
|
|
+ if (IS_ERR(regmap)) {
|
|
+ return PTR_ERR(regmap);
|
|
+ }
|
|
+
|
|
+ return i_sabre_codec_probe(&i2c->dev, regmap);
|
|
+}
|
|
+
|
|
+static int i_sabre_codec_i2c_remove(struct i2c_client *i2c)
|
|
+{
|
|
+ i_sabre_codec_remove(&i2c->dev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static const struct i2c_device_id i_sabre_codec_i2c_id[] = {
|
|
+ { "i-sabre-codec", },
|
|
+ { }
|
|
+};
|
|
+MODULE_DEVICE_TABLE(i2c, i_sabre_codec_i2c_id);
|
|
+
|
|
+static const struct of_device_id i_sabre_codec_of_match[] = {
|
|
+ { .compatible = "audiophonics,i-sabre-codec", },
|
|
+ { }
|
|
+};
|
|
+MODULE_DEVICE_TABLE(of, i_sabre_codec_of_match);
|
|
+
|
|
+static struct i2c_driver i_sabre_codec_i2c_driver = {
|
|
+ .driver = {
|
|
+ .name = "i-sabre-codec-i2c",
|
|
+ .owner = THIS_MODULE,
|
|
+ .of_match_table = of_match_ptr(i_sabre_codec_of_match),
|
|
+ },
|
|
+ .probe = i_sabre_codec_i2c_probe,
|
|
+ .remove = i_sabre_codec_i2c_remove,
|
|
+ .id_table = i_sabre_codec_i2c_id,
|
|
+};
|
|
+module_i2c_driver(i_sabre_codec_i2c_driver);
|
|
+
|
|
+
|
|
+MODULE_DESCRIPTION("ASoC I-Sabre Q2M codec driver");
|
|
+MODULE_AUTHOR("Audiophonics <http://www.audiophonics.fr>");
|
|
+MODULE_LICENSE("GPL");
|
|
--- /dev/null
|
|
+++ b/sound/soc/codecs/i-sabre-codec.h
|
|
@@ -0,0 +1,42 @@
|
|
+/*
|
|
+ * Driver for I-Sabre Q2M
|
|
+ *
|
|
+ * Author: Satoru Kawase
|
|
+ * Modified by: Xiao Qingyong
|
|
+ * Copyright 2018 Audiophonics
|
|
+ *
|
|
+ * This program 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 program is distributed in the hope that it will be useful, but
|
|
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
+ * General Public License for more details.
|
|
+ */
|
|
+
|
|
+#ifndef _SND_SOC_ISABRECODEC
|
|
+#define _SND_SOC_ISABRECODEC
|
|
+
|
|
+
|
|
+/* ISABRECODEC Register Address */
|
|
+#define ISABRECODEC_REG_01 0x01 /* Virtual Device ID : 0x01 = es9038q2m */
|
|
+#define ISABRECODEC_REG_02 0x02 /* API revision : 0x01 = Revision 01 */
|
|
+#define ISABRECODEC_REG_10 0x10 /* 0x01 = above 192kHz, 0x00 = otherwise */
|
|
+#define ISABRECODEC_REG_20 0x20 /* 0 - 100 (decimal value, 0 = min., 100 = max.) */
|
|
+#define ISABRECODEC_REG_21 0x21 /* 0x00 = Mute OFF, 0x01 = Mute ON */
|
|
+#define ISABRECODEC_REG_22 0x22
|
|
+/*
|
|
+ 0x00 = brick wall,
|
|
+ 0x01 = corrected minimum phase fast,
|
|
+ 0x02 = minimum phase slow,
|
|
+ 0x03 = minimum phase fast,
|
|
+ 0x04 = linear phase slow,
|
|
+ 0x05 = linear phase fast,
|
|
+ 0x06 = apodizing fast,
|
|
+*/
|
|
+//#define ISABRECODEC_REG_23 0x23 /* reserved */
|
|
+#define ISABRECODEC_REG_24 0x24 /* 0x00 = I2S, 0x01 = SPDIF */
|
|
+#define ISABRECODEC_MAX_REG 0x24 /* Maximum Register Number */
|
|
+
|
|
+#endif /* _SND_SOC_ISABRECODEC */
|