diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0410-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0410-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch | 794 |
1 files changed, 794 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0410-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch b/target/linux/brcm2708/patches-4.19/950-0410-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch new file mode 100644 index 0000000000..4d938f014e --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0410-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch @@ -0,0 +1,794 @@ +From e6302a578fa93159fe9a3dea77a696e10ec7bb08 Mon Sep 17 00:00:00 2001 +From: FERHAT Nicolas <contact@audiophonics.fr> +Date: Fri, 5 Apr 2019 13:06:42 +0100 +Subject: [PATCH 410/782] 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 ++ + arch/arm/configs/bcm2709_defconfig | 1 + + arch/arm/configs/bcmrpi_defconfig | 1 + + arch/arm64/configs/bcmrpi3_defconfig | 1 + + 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/arch/arm/configs/bcm2709_defconfig ++++ b/arch/arm/configs/bcm2709_defconfig +@@ -916,6 +916,7 @@ CONFIG_SND_BCM2708_SOC_JUSTBOOM_DAC=m + CONFIG_SND_BCM2708_SOC_JUSTBOOM_DIGI=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DIGI=m ++CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M=m + CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m + CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD=m + CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD=m +--- a/arch/arm/configs/bcmrpi_defconfig ++++ b/arch/arm/configs/bcmrpi_defconfig +@@ -909,6 +909,7 @@ CONFIG_SND_BCM2708_SOC_JUSTBOOM_DAC=m + CONFIG_SND_BCM2708_SOC_JUSTBOOM_DIGI=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DIGI=m ++CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M=m + CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m + CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD=m + CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD=m +--- a/arch/arm64/configs/bcmrpi3_defconfig ++++ b/arch/arm64/configs/bcmrpi3_defconfig +@@ -804,6 +804,7 @@ CONFIG_SND_BCM2708_SOC_JUSTBOOM_DAC=m + CONFIG_SND_BCM2708_SOC_JUSTBOOM_DIGI=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DIGI=m ++CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M=m + CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m + CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD=m + CONFIG_SND_AUDIOSENSE_PI=m +--- 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 */ |