diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0355-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0355-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch | 761 |
1 files changed, 0 insertions, 761 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0355-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch b/target/linux/brcm2708/patches-4.19/950-0355-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch deleted file mode 100644 index ba10100241..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0355-Audiophonics-I-Sabre-9038Q2M-DAC-driver.patch +++ /dev/null @@ -1,761 +0,0 @@ -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 */ |