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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0357-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0357-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch761
1 files changed, 761 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0357-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch b/target/linux/brcm2708/patches-4.19/950-0357-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch
new file mode 100644
index 0000000000..ba10100241
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0357-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch
@@ -0,0 +1,761 @@
+From c667b06f616d5dec68469ac73764abd5bcb1d694 Mon Sep 17 00:00:00 2001
+From: FERHAT Nicolas <contact@audiophonics.fr>
+Date: Fri, 5 Apr 2019 13:06:42 +0100
+Subject: [PATCH] Audiophonics I-Sabre 9038Q2M DAC driver
+
+Signed-off-by: Audiophonics <contact@audiophonics.fr>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 6 +
+ .../boot/dts/overlays/i-sabre-q2m-overlay.dts | 39 ++
+ sound/soc/bcm/Kconfig | 7 +
+ sound/soc/bcm/Makefile | 2 +
+ sound/soc/bcm/i-sabre-q2m.c | 157 +++++++
+ sound/soc/codecs/Kconfig | 5 +
+ sound/soc/codecs/Makefile | 2 +
+ sound/soc/codecs/i-sabre-codec.c | 392 ++++++++++++++++++
+ sound/soc/codecs/i-sabre-codec.h | 42 ++
+ 13 files changed, 656 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/i-sabre-q2m-overlay.dts
+ create mode 100644 sound/soc/bcm/i-sabre-q2m.c
+ create mode 100644 sound/soc/codecs/i-sabre-codec.c
+ create mode 100644 sound/soc/codecs/i-sabre-codec.h
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -55,6 +55,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ hy28a.dtbo \
+ hy28b.dtbo \
+ hy28b-2017.dtbo \
++ i-sabre-q2m.dtbo \
+ i2c-bcm2708.dtbo \
+ i2c-gpio.dtbo \
+ i2c-mux.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -869,6 +869,12 @@ Params: speed Display
+ ledgpio GPIO used to control backlight
+
+
++Name: i-sabre-q2m
++Info: Configures the Audiophonics I-SABRE Q2M DAC
++Load: dtoverlay=i-sabre-q2m
++Params: <None>
++
++
+ Name: i2c-bcm2708
+ Info: Fall back to the i2c_bcm2708 driver for the i2c_arm bus.
+ Load: dtoverlay=i2c-bcm2708
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/i-sabre-q2m-overlay.dts
+@@ -0,0 +1,39 @@
++// Definitions for I-Sabre Q2M
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2708";
++
++ fragment@0 {
++ target = <&sound>;
++ frag0: __overlay__ {
++ compatible = "audiophonics,i-sabre-q2m";
++ i2s-controller = <&i2s>;
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&i2s>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@2 {
++ target = <&i2c1>;
++ __overlay__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ i-sabre-codec@48 {
++ #sound-dai-cells = <0>;
++ compatible = "audiophonics,i-sabre-codec";
++ reg = <0x48>;
++ status = "okay";
++ };
++ };
++ };
++};
+--- a/sound/soc/bcm/Kconfig
++++ b/sound/soc/bcm/Kconfig
+@@ -123,6 +123,13 @@ config SND_BCM2708_SOC_IQAUDIO_DIGI
+ help
+ Say Y or M if you want to add support for IQAudIO Digital IO board.
+
++config SND_BCM2708_SOC_I_SABRE_Q2M
++ tristate "Support for Audiophonics I-Sabre Q2M DAC"
++ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
++ select SND_SOC_I_SABRE_CODEC
++ help
++ Say Y or M if you want to add support for Audiophonics I-SABRE Q2M DAC
++
+ config SND_BCM2708_SOC_ADAU1977_ADC
+ tristate "Support for ADAU1977 ADC"
+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
+--- a/sound/soc/bcm/Makefile
++++ b/sound/soc/bcm/Makefile
+@@ -19,6 +19,7 @@ snd-soc-justboom-dac-objs := justboom-da
+ snd-soc-rpi-cirrus-objs := rpi-cirrus.o
+ snd-soc-rpi-proto-objs := rpi-proto.o
+ snd-soc-iqaudio-dac-objs := iqaudio-dac.o
++ snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
+ snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
+ snd-soc-audioinjector-octo-soundcard-objs := audioinjector-octo-soundcard.o
+ snd-soc-audiosense-pi-objs := audiosense-pi.o
+@@ -42,6 +43,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_DA
+ obj-$(CONFIG_SND_BCM2708_SOC_RPI_CIRRUS) += snd-soc-rpi-cirrus.o
+ obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
+ obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
++ obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
+ obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o
+ obj-$(CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD) += snd-soc-audioinjector-octo-soundcard.o
+ obj-$(CONFIG_SND_AUDIOSENSE_PI) += snd-soc-audiosense-pi.o
+--- /dev/null
++++ b/sound/soc/bcm/i-sabre-q2m.c
+@@ -0,0 +1,157 @@
++/*
++ * ASoC Driver for I-Sabre Q2M
++ *
++ * Author: Satoru Kawase
++ * Modified by: Xiao Qingyong
++ * Update kernel v4.18+ by : Audiophonics
++ * 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.
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/delay.h>
++#include <linux/fs.h>
++#include <asm/uaccess.h>
++#include <sound/core.h>
++#include <sound/soc.h>
++#include <sound/pcm.h>
++#include <sound/pcm_params.h>
++
++#include "../codecs/i-sabre-codec.h"
++
++
++static int snd_rpi_i_sabre_q2m_init(struct snd_soc_pcm_runtime *rtd)
++{
++ struct snd_soc_component *component = rtd->codec_dai->component;
++ unsigned int value;
++
++ /* Device ID */
++ value = snd_soc_component_read32(component, ISABRECODEC_REG_01);
++ dev_info(component->card->dev, "Audiophonics Device ID : %02X\n", value);
++
++ /* API revision */
++ value = snd_soc_component_read32(component, ISABRECODEC_REG_02);
++ dev_info(component->card->dev, "Audiophonics API revision : %02X\n", value);
++
++ return 0;
++}
++
++static int snd_rpi_i_sabre_q2m_hw_params(
++ struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
++{
++ struct snd_soc_pcm_runtime *rtd = substream->private_data;
++ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
++ int bclk_ratio;
++
++ bclk_ratio = snd_pcm_format_physical_width(
++ params_format(params)) * params_channels(params);
++ return snd_soc_dai_set_bclk_ratio(cpu_dai, bclk_ratio);
++}
++
++/* machine stream operations */
++static struct snd_soc_ops snd_rpi_i_sabre_q2m_ops = {
++ .hw_params = snd_rpi_i_sabre_q2m_hw_params,
++};
++
++
++static struct snd_soc_dai_link snd_rpi_i_sabre_q2m_dai[] = {
++ {
++ .name = "I-Sabre Q2M",
++ .stream_name = "I-Sabre Q2M DAC",
++ .cpu_dai_name = "bcm2708-i2s.0",
++ .codec_dai_name = "i-sabre-codec-dai",
++ .platform_name = "bcm2708-i2s.0",
++ .codec_name = "i-sabre-codec-i2c.1-0048",
++ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
++ | SND_SOC_DAIFMT_CBS_CFS,
++ .init = snd_rpi_i_sabre_q2m_init,
++ .ops = &snd_rpi_i_sabre_q2m_ops,
++ }
++};
++
++/* audio machine driver */
++static struct snd_soc_card snd_rpi_i_sabre_q2m = {
++ .name = "I-Sabre Q2M DAC",
++ .owner = THIS_MODULE,
++ .dai_link = snd_rpi_i_sabre_q2m_dai,
++ .num_links = ARRAY_SIZE(snd_rpi_i_sabre_q2m_dai)
++};
++
++
++static int snd_rpi_i_sabre_q2m_probe(struct platform_device *pdev)
++{
++ int ret = 0;
++
++ snd_rpi_i_sabre_q2m.dev = &pdev->dev;
++ if (pdev->dev.of_node) {
++ struct device_node *i2s_node;
++ struct snd_soc_dai_link *dai;
++
++ dai = &snd_rpi_i_sabre_q2m_dai[0];
++ i2s_node = of_parse_phandle(pdev->dev.of_node,
++ "i2s-controller", 0);
++ if (i2s_node) {
++ dai->cpu_dai_name = NULL;
++ dai->cpu_of_node = i2s_node;
++ dai->platform_name = NULL;
++ dai->platform_of_node = i2s_node;
++ } else {
++ dev_err(&pdev->dev,
++ "Property 'i2s-controller' missing or invalid\n");
++ return (-EINVAL);
++ }
++
++ dai->name = "I-Sabre Q2M";
++ dai->stream_name = "I-Sabre Q2M DAC";
++ dai->dai_fmt = SND_SOC_DAIFMT_I2S
++ | SND_SOC_DAIFMT_NB_NF
++ | SND_SOC_DAIFMT_CBS_CFS;
++ }
++
++ /* Wait for registering codec driver */
++ mdelay(50);
++
++ ret = snd_soc_register_card(&snd_rpi_i_sabre_q2m);
++ if (ret) {
++ dev_err(&pdev->dev,
++ "snd_soc_register_card() failed: %d\n", ret);
++ }
++
++ return ret;
++}
++
++static int snd_rpi_i_sabre_q2m_remove(struct platform_device *pdev)
++{
++ return snd_soc_unregister_card(&snd_rpi_i_sabre_q2m);
++}
++
++static const struct of_device_id snd_rpi_i_sabre_q2m_of_match[] = {
++ { .compatible = "audiophonics,i-sabre-q2m", },
++ {}
++};
++MODULE_DEVICE_TABLE(of, snd_rpi_i_sabre_q2m_of_match);
++
++static struct platform_driver snd_rpi_i_sabre_q2m_driver = {
++ .driver = {
++ .name = "snd-rpi-i-sabre-q2m",
++ .owner = THIS_MODULE,
++ .of_match_table = snd_rpi_i_sabre_q2m_of_match,
++ },
++ .probe = snd_rpi_i_sabre_q2m_probe,
++ .remove = snd_rpi_i_sabre_q2m_remove,
++};
++module_platform_driver(snd_rpi_i_sabre_q2m_driver);
++
++MODULE_DESCRIPTION("ASoC Driver for I-Sabre Q2M");
++MODULE_AUTHOR("Audiophonics <http://www.audiophonics.fr>");
++MODULE_LICENSE("GPL");
+--- a/sound/soc/codecs/Kconfig
++++ b/sound/soc/codecs/Kconfig
+@@ -85,6 +85,7 @@ config SND_SOC_ALL_CODECS
+ select SND_SOC_ICS43432
+ select SND_SOC_INNO_RK3036
+ select SND_SOC_ISABELLE if I2C
++ select SND_SOC_I_SABRE_CODEC if I2C
+ select SND_SOC_JZ4740_CODEC
+ select SND_SOC_LM4857 if I2C
+ select SND_SOC_LM49453 if I2C
+@@ -1322,4 +1323,8 @@ config SND_SOC_TPA6130A2
+ tristate "Texas Instruments TPA6130A2 headphone amplifier"
+ depends on I2C
+
++config SND_SOC_I_SABRE_CODEC
++ tristate "Audiophonics I-SABRE Codec"
++ depends on I2C
++
+ endmenu
+--- a/sound/soc/codecs/Makefile
++++ b/sound/soc/codecs/Makefile
+@@ -81,6 +81,7 @@ snd-soc-hdac-hdmi-objs := hdac_hdmi.o
+ snd-soc-ics43432-objs := ics43432.o
+ snd-soc-inno-rk3036-objs := inno_rk3036.o
+ snd-soc-isabelle-objs := isabelle.o
++snd-soc-i-sabre-codec-objs := i-sabre-codec.o
+ snd-soc-jz4740-codec-objs := jz4740.o
+ snd-soc-l3-objs := l3.o
+ snd-soc-lm4857-objs := lm4857.o
+@@ -343,6 +344,7 @@ obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-s
+ obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o
+ obj-$(CONFIG_SND_SOC_INNO_RK3036) += snd-soc-inno-rk3036.o
+ obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o
++obj-$(CONFIG_SND_SOC_I_SABRE_CODEC) += snd-soc-i-sabre-codec.o
+ obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o
+ obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o
+ obj-$(CONFIG_SND_SOC_LM4857) += snd-soc-lm4857.o
+--- /dev/null
++++ b/sound/soc/codecs/i-sabre-codec.c
+@@ -0,0 +1,392 @@
++/*
++ * Driver for I-Sabre Q2M
++ *
++ * Author: Satoru Kawase
++ * Modified by: Xiao Qingyong
++ * Modified by: JC BARBAUD (Mute)
++ * Update kernel v4.18+ by : Audiophonics
++ * 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.
++ */
++
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/regmap.h>
++#include <linux/i2c.h>
++#include <sound/soc.h>
++#include <sound/pcm_params.h>
++#include <sound/tlv.h>
++
++#include "i-sabre-codec.h"
++
++
++/* I-Sabre Q2M Codec Private Data */
++struct i_sabre_codec_priv {
++ struct regmap *regmap;
++ unsigned int fmt;
++};
++
++
++/* I-Sabre Q2M Codec Default Register Value */
++static const struct reg_default i_sabre_codec_reg_defaults[] = {
++ { ISABRECODEC_REG_10, 0x00 },
++ { ISABRECODEC_REG_20, 0x00 },
++ { ISABRECODEC_REG_21, 0x00 },
++ { ISABRECODEC_REG_22, 0x00 },
++ { ISABRECODEC_REG_24, 0x00 },
++};
++
++
++static bool i_sabre_codec_writeable(struct device *dev, unsigned int reg)
++{
++ switch (reg) {
++ case ISABRECODEC_REG_10:
++ case ISABRECODEC_REG_20:
++ case ISABRECODEC_REG_21:
++ case ISABRECODEC_REG_22:
++ case ISABRECODEC_REG_24:
++ return true;
++
++ default:
++ return false;
++ }
++}
++
++static bool i_sabre_codec_readable(struct device *dev, unsigned int reg)
++{
++ switch (reg) {
++ case ISABRECODEC_REG_01:
++ case ISABRECODEC_REG_02:
++ case ISABRECODEC_REG_10:
++ case ISABRECODEC_REG_20:
++ case ISABRECODEC_REG_21:
++ case ISABRECODEC_REG_22:
++ case ISABRECODEC_REG_24:
++ return true;
++
++ default:
++ return false;
++ }
++}
++
++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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 20:13:55 +0000