Add a codec driver for the Everest ES8156, based on code provided by Will from Everest Semi.

Signed-off-by: Shumin Chen chenshumin86@sina.com --- sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/es8156.c | 614 ++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/es8156.h | 76 +++++ 4 files changed, 697 insertions(+) create mode 100644 sound/soc/codecs/es8156.c create mode 100644 sound/soc/codecs/es8156.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 326f2d611ad4..2fc066b19185 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -93,6 +93,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_DA732X imply SND_SOC_DA9055 imply SND_SOC_DMIC + imply SND_SOC_ES8156 imply SND_SOC_ES8316 imply SND_SOC_ES8328_SPI imply SND_SOC_ES8328_I2C @@ -834,6 +835,10 @@ config SND_SOC_ES7134 config SND_SOC_ES7241 tristate "Everest Semi ES7241 CODEC"

+config SND_SOC_ES8156 + tristate "Everest Semi ES8156 CODEC" + depends on I2C + config SND_SOC_ES8316 tristate "Everest Semi ES8316 CODEC" depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 9acfbcbfc46d..67c40469298a 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -91,6 +91,7 @@ snd-soc-da9055-objs := da9055.o snd-soc-dmic-objs := dmic.o snd-soc-es7134-objs := es7134.o snd-soc-es7241-objs := es7241.o +snd-soc-es8156-objs := es8156.o snd-soc-es8316-objs := es8316.o snd-soc-es8328-objs := es8328.o snd-soc-es8328-i2c-objs := es8328-i2c.o @@ -428,6 +429,7 @@ obj-$(CONFIG_SND_SOC_DA9055) += snd-soc-da9055.o obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o obj-$(CONFIG_SND_SOC_ES7134) += snd-soc-es7134.o obj-$(CONFIG_SND_SOC_ES7241) += snd-soc-es7241.o +obj-$(CONFIG_SND_SOC_ES8156) += snd-soc-es8156.o obj-$(CONFIG_SND_SOC_ES8316) += snd-soc-es8316.o obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o diff --git a/sound/soc/codecs/es8156.c b/sound/soc/codecs/es8156.c new file mode 100644 index 000000000000..f2f95ff17121 --- /dev/null +++ b/sound/soc/codecs/es8156.c @@ -0,0 +1,614 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * es8156.c -- es8156 ALSA SoC audio driver + * Copyright Everest Semiconductor Co.,Ltd + * + * Author: Will pengxiaoxin@everset-semi.com + * Shumin Chen chenshumin86@sina.com + * + */ + +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/i2c.h> +#include <linux/spi/spi.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/of_gpio.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <linux/proc_fs.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/regmap.h> +#include "es8156.h" + +#define INVALID_GPIO -1 +#define GPIO_LOW 0 +#define GPIO_HIGH 1 +#define es8156_DEF_VOL 0xBF +#define MCLK 1 + +static struct snd_soc_component *es8156_codec; + +static const struct reg_default es8156_reg_defaults[] = { + {0x00, 0x1c}, {0x01, 0x20}, {0x02, 0x00}, {0x03, 0x01}, + {0x04, 0x00}, {0x05, 0x04}, {0x06, 0x11}, {0x07, 0x00}, + {0x08, 0x06}, {0x09, 0x00}, {0x0a, 0x50}, {0x0b, 0x50}, + {0x0c, 0x00}, {0x0d, 0x10}, {0x10, 0x40}, {0x10, 0x40}, + {0x11, 0x00}, {0x12, 0x04}, {0x13, 0x11}, {0x14, 0xbf}, + {0x15, 0x00}, {0x16, 0x00}, {0x17, 0xf7}, {0x18, 0x00}, + {0x19, 0x20}, {0x1a, 0x00}, {0x20, 0x16}, {0x21, 0x7f}, + {0x22, 0x00}, {0x23, 0x86}, {0x24, 0x00}, {0x25, 0x07}, + {0xfc, 0x00}, {0xfd, 0x81}, {0xfe, 0x55}, {0xff, 0x10}, +}; + +/* codec private data */ +struct es8156_priv { + struct regmap *regmap; + unsigned int dmic_amic; + unsigned int sysclk; + struct snd_pcm_hw_constraint_list *sysclk_constraints; + struct clk *mclk; + int debounce_time; + int hp_det_invert; + struct delayed_work work; + + int spk_ctl_gpio; + int hp_det_gpio; + bool muted; + bool hp_inserted; + bool spk_active_level; + + int pwr_count; +}; + +/* + * es8156_reset + */ +static int es8156_reset(struct snd_soc_component *codec) +{ + snd_soc_component_write(codec, ES8156_RESET_REG00, 0x1c); + usleep_range(5000, 5500); + return snd_soc_component_write(codec, ES8156_RESET_REG00, 0x03); +} + +static void es8156_enable_spk(struct es8156_priv *es8156, bool enable) +{ + bool level; + + level = enable ? es8156->spk_active_level : !es8156->spk_active_level; + gpio_set_value(es8156->spk_ctl_gpio, level); +} + +static const char * const es8156_DAC_SRC[] = { + "Left to Left, Right to Right", + "Right to both Left and Right", + "Left to both Left & Right", + "Left to Right,Right to Left" }; + +static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9600, 50, 1); +static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, -2800, 400, 1); +static SOC_ENUM_SINGLE_DECL(es8165_dac_enum, ES8156_MISC_CONTROL3_REG18, 4, es8156_DAC_SRC); + +static const struct snd_kcontrol_new es8156_DAC_MUX = SOC_DAPM_ENUM("Route", es8165_dac_enum); + +static const struct snd_kcontrol_new es8156_snd_controls[] = { + SOC_SINGLE("Timer 1", ES8156_TIME_CONTROL1_REG0A, 0, 63, 0), + SOC_SINGLE("Timer 2", ES8156_TIME_CONTROL2_REG0B, 0, 63, 0), + SOC_SINGLE("DAC Automute Gate", ES8156_AUTOMUTE_SET_REG12, 4, 15, 0), + SOC_SINGLE_TLV("ALC Gain", ES8156_ALC_CONFIG1_REG15, 1, 7, 1, alc_gain_tlv), + SOC_SINGLE("ALC Ramp Rate", ES8156_ALC_CONFIG2_REG16, 4, 15, 0), + SOC_SINGLE("ALC Window Size", ES8156_ALC_CONFIG2_REG16, 0, 15, 0), + SOC_DOUBLE("ALC Maximum Minimum Volume", ES8156_ALC_CONFIG3_REG17, 4, 0, 15, 0), + /* DAC Digital controls */ + SOC_SINGLE_TLV("DAC Playback Volume", ES8156_VOLUME_CONTROL_REG14, 0, 0xff, 0, dac_vol_tlv), + SOC_SINGLE("HP Switch", ES8156_ANALOG_SYS3_REG22, 3, 1, 0), +}; + +static const struct snd_soc_dapm_widget es8156_dapm_widgets[] = { + SND_SOC_DAPM_AIF_OUT("SDOUT", "I2S Capture", 0, ES8156_P2S_CONTROL_REG0D, 2, 0), + + SND_SOC_DAPM_AIF_IN("SDIN", "I2S Playback", 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_MUX("Channel Select Mux", SND_SOC_NOPM, 0, 0, &es8156_DAC_MUX), + + SND_SOC_DAPM_DAC("DACL", "Left Playback", ES8156_DAC_MUTE_REG13, 1, 1), + SND_SOC_DAPM_DAC("DACR", "Right Playback", ES8156_DAC_MUTE_REG13, 2, 1), + + SND_SOC_DAPM_PGA("SDOUT TRISTATE", ES8156_P2S_CONTROL_REG0D, 0, 1, NULL, 0), + + SND_SOC_DAPM_OUTPUT("LOUT"), + SND_SOC_DAPM_OUTPUT("ROUT"), +}; + +static const struct snd_soc_dapm_route es8156_dapm_routes[] = { + {"SDOUT TRISTATE", NULL, "SDIN"}, + {"SDOUT", NULL, "SDOUT TRISTATE"}, + + {"Channel Select Mux", "Left to Left, Right to Right", "SDIN"}, + {"Channel Select Mux", "Right to both Left and Right", "SDIN"}, + {"Channel Select Mux", "Left to both Left & Right", "SDIN"}, + {"Channel Select Mux", "Left to Right, Right to Left", "SDIN"}, + + {"DACL", NULL, "Channel Select Mux"}, + {"DACR", NULL, "Channel Select Mux"}, + + { "LOUT", NULL, "DACL" }, + { "ROUT", NULL, "DACR" }, +}; + +static int es8156_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_component *codec = codec_dai->component; + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM:/* es8156 master */ + snd_soc_component_update_bits(codec, ES8156_SCLK_MODE_REG02, 0x01, 0x01); + break; + case SND_SOC_DAIFMT_CBS_CFS:/* es8156 slave */ + snd_soc_component_update_bits(codec, ES8156_SCLK_MODE_REG02, 0x01, 0x00); + break; + default: + return -EINVAL; + } + /* interface format */ + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x07, 0x00); + break; + case SND_SOC_DAIFMT_RIGHT_J: + return -EINVAL; + case SND_SOC_DAIFMT_LEFT_J: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x07, 0x01); + break; + case SND_SOC_DAIFMT_DSP_A: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x07, 0x03); + break; + case SND_SOC_DAIFMT_DSP_B: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x07, 0x07); + break; + default: + return -EINVAL; + } + + /* clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + snd_soc_component_update_bits(codec, ES8156_SCLK_MODE_REG02, 0x01, 0x00); + break; + case SND_SOC_DAIFMT_IB_IF: + snd_soc_component_update_bits(codec, ES8156_SCLK_MODE_REG02, 0x01, 0x01); + break; + case SND_SOC_DAIFMT_IB_NF: + snd_soc_component_update_bits(codec, ES8156_SCLK_MODE_REG02, 0x01, 0x01); + break; + case SND_SOC_DAIFMT_NB_IF: + snd_soc_component_update_bits(codec, ES8156_SCLK_MODE_REG02, 0x01, 0x00); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int es8156_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *codec = dai->component; + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x70, 0x30); + break; + case SNDRV_PCM_FORMAT_S20_3LE: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x70, 0x10); + break; + case SNDRV_PCM_FORMAT_S24_LE: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x70, 0x00); + break; + case SNDRV_PCM_FORMAT_S32_LE: + snd_soc_component_update_bits(codec, ES8156_DAC_SDP_REG11, 0x70, 0x40); + break; + } + return 0; +} + +static int es8156_mute(struct snd_soc_dai *dai, int mute, int stream) +{ + struct snd_soc_component *codec = dai->component; + struct es8156_priv *es8156 = snd_soc_component_get_drvdata(codec); + + es8156->muted = mute; + if (mute) { + es8156_enable_spk(es8156, false); + msleep(100); + snd_soc_component_update_bits(codec, ES8156_DAC_MUTE_REG13, 0x08, 0x08); + } else if (dai->stream_active[SNDRV_PCM_STREAM_PLAYBACK]) { + snd_soc_component_update_bits(codec, ES8156_DAC_MUTE_REG13, 0x08, 0x00); + + if (!es8156->hp_inserted) + es8156_enable_spk(es8156, true); + } + return 0; +} + + +static int es8156_set_bias_level(struct snd_soc_component *codec, + enum snd_soc_bias_level level) +{ + int ret; + struct es8156_priv *priv = snd_soc_component_get_drvdata(codec); + + switch (level) { + case SND_SOC_BIAS_ON: + break; + + case SND_SOC_BIAS_PREPARE: + break; + + case SND_SOC_BIAS_STANDBY: + /* open i2s clock */ + if (snd_soc_component_get_bias_level(codec) == SND_SOC_BIAS_OFF) { + if (!IS_ERR(priv->mclk)) { + ret = clk_prepare_enable(priv->mclk); + snd_soc_component_write(codec, ES8156_SCLK_MODE_REG02, 0x04); + snd_soc_component_write(codec, ES8156_ANALOG_SYS1_REG20, 0x2A); + snd_soc_component_write(codec, ES8156_ANALOG_SYS2_REG21, 0x3C); + snd_soc_component_write(codec, ES8156_ANALOG_SYS3_REG22, 0x08); + snd_soc_component_write(codec, ES8156_ANALOG_LP_REG24, 0x07); + snd_soc_component_write(codec, ES8156_ANALOG_SYS4_REG23, 0x00); + snd_soc_component_write(codec, ES8156_TIME_CONTROL1_REG0A, 0x01); + snd_soc_component_write(codec, ES8156_TIME_CONTROL2_REG0B, 0x01); + snd_soc_component_write(codec, ES8156_VOLUME_CONTROL_REG14, 0xBF); + snd_soc_component_write(codec, ES8156_MAINCLOCK_CTL_REG01, 0x21); + snd_soc_component_write(codec, ES8156_P2S_CONTROL_REG0D, 0x14); + snd_soc_component_write(codec, ES8156_MISC_CONTROL3_REG18, 0x00); + snd_soc_component_write(codec, ES8156_CLOCK_ON_OFF_REG08, 0x3F); + snd_soc_component_write(codec, ES8156_RESET_REG00, 0x02); + snd_soc_component_write(codec, ES8156_RESET_REG00, 0x03); + snd_soc_component_write(codec, ES8156_ANALOG_SYS5_REG25, 0x20); + + if (ret) { + dev_err(codec->dev, + "Failed to enable master clock: %d\n", + ret); + return ret; + } + } + } + break; + case SND_SOC_BIAS_OFF: + snd_soc_component_write(codec, ES8156_VOLUME_CONTROL_REG14, 0x00); + snd_soc_component_write(codec, ES8156_EQ_CONTROL1_REG19, 0x02); + snd_soc_component_write(codec, ES8156_ANALOG_SYS2_REG21, 0x1F); + snd_soc_component_write(codec, ES8156_ANALOG_SYS3_REG22, 0x02); + snd_soc_component_write(codec, ES8156_ANALOG_SYS5_REG25, 0x21); + snd_soc_component_write(codec, ES8156_ANALOG_SYS5_REG25, 0x01); + snd_soc_component_write(codec, ES8156_ANALOG_SYS5_REG25, 0x87); + snd_soc_component_write(codec, ES8156_MISC_CONTROL3_REG18, 0x01); + snd_soc_component_write(codec, ES8156_MISC_CONTROL2_REG09, 0x02); + snd_soc_component_write(codec, ES8156_MISC_CONTROL2_REG09, 0x01); + snd_soc_component_write(codec, ES8156_CLOCK_ON_OFF_REG08, 0x00); + + /* close i2s clock */ + if (!IS_ERR(priv->mclk)) + clk_disable_unprepare(priv->mclk); + break; + } + return 0; +} + +#define es8156_RATES SNDRV_PCM_RATE_8000_96000 + +#define es8156_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FORMAT_S32_LE) + +static const struct snd_soc_dai_ops es8156_ops = { + .startup = NULL, + .hw_params = es8156_pcm_hw_params, + .set_fmt = es8156_set_dai_fmt, + .set_sysclk = NULL, + .mute_stream = es8156_mute, + .shutdown = NULL, +}; + +static struct snd_soc_dai_driver es8156_dai = { + .name = "ES8156 HiFi", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = es8156_RATES, + .formats = es8156_FORMATS, + }, + .ops = &es8156_ops, + .symmetric_rate = 1, +}; + + +static int es8156_init_regs(struct snd_soc_component *codec) +{ + /* set clock and analog power */ + snd_soc_component_write(codec, ES8156_SCLK_MODE_REG02, 0x04); + snd_soc_component_write(codec, ES8156_ANALOG_SYS1_REG20, 0x2A); + snd_soc_component_write(codec, ES8156_ANALOG_SYS2_REG21, 0x3C); + snd_soc_component_write(codec, ES8156_ANALOG_SYS3_REG22, 0x08); + snd_soc_component_write(codec, ES8156_ANALOG_LP_REG24, 0x07); + snd_soc_component_write(codec, ES8156_ANALOG_SYS4_REG23, 0x00); + + /* set powerup time */ + snd_soc_component_write(codec, ES8156_TIME_CONTROL1_REG0A, 0x01); + snd_soc_component_write(codec, ES8156_TIME_CONTROL2_REG0B, 0x01); + + /* set digtal volume */ + snd_soc_component_write(codec, ES8156_VOLUME_CONTROL_REG14, 0xBF); + + /* set MCLK */ + snd_soc_component_write(codec, ES8156_MAINCLOCK_CTL_REG01, 0x21); + snd_soc_component_write(codec, ES8156_P2S_CONTROL_REG0D, 0x14); + snd_soc_component_write(codec, ES8156_MISC_CONTROL3_REG18, 0x00); + snd_soc_component_write(codec, ES8156_CLOCK_ON_OFF_REG08, 0x3F); + snd_soc_component_write(codec, ES8156_RESET_REG00, 0x02); + snd_soc_component_write(codec, ES8156_RESET_REG00, 0x03); + snd_soc_component_write(codec, ES8156_ANALOG_SYS5_REG25, 0x20); + + return 0; +} + +static int es8156_suspend(struct snd_soc_component *codec) +{ + es8156_set_bias_level(codec, SND_SOC_BIAS_OFF); + + return 0; +} + +static int es8156_resume(struct snd_soc_component *codec) +{ + return 0; +} + +static irqreturn_t es8156_irq_handler(int irq, void *data) +{ + struct es8156_priv *es8156 = data; + + queue_delayed_work(system_power_efficient_wq, &es8156->work, + msecs_to_jiffies(es8156->debounce_time)); + + return IRQ_HANDLED; +} + +/* + * Call from rk_headset_irq_hook_adc.c + * + * Enable micbias for HOOK detection and disable external Amplifier + * when jack insertion. + */ +int es8156_headset_detect(int jack_insert) +{ + struct es8156_priv *es8156; + + if (!es8156_codec) + return -1; + + es8156 = snd_soc_component_get_drvdata(es8156_codec); + + es8156->hp_inserted = jack_insert; + + /* enable micbias and disable PA */ + if (jack_insert) + es8156_enable_spk(es8156, false); + + return 0; +} +EXPORT_SYMBOL(es8156_headset_detect); + +static void hp_work(struct work_struct *work) +{ + struct es8156_priv *es8156; + int enable; + + es8156 = container_of(work, struct es8156_priv, work.work); + enable = gpio_get_value(es8156->hp_det_gpio); + if (es8156->hp_det_invert) + enable = !enable; + + es8156->hp_inserted = enable ? true : false; + if (!es8156->muted) { + if (es8156->hp_inserted) + es8156_enable_spk(es8156, false); + else + es8156_enable_spk(es8156, true); + } +} + +static int es8156_probe(struct snd_soc_component *codec) +{ + struct es8156_priv *es8156 = snd_soc_component_get_drvdata(codec); + int ret = 0; + + es8156_codec = codec; + +#if MCLK + es8156->mclk = devm_clk_get(codec->dev, "mclk"); + if (PTR_ERR(es8156->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + ret = clk_prepare_enable(es8156->mclk); +#endif + es8156_reset(codec); + es8156_init_regs(codec); + + return ret; +} + +static void es8156_remove(struct snd_soc_component *codec) +{ + es8156_set_bias_level(codec, SND_SOC_BIAS_OFF); +} + +const struct regmap_config es8156_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0xff, + .cache_type = REGCACHE_RBTREE, + .reg_defaults = es8156_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(es8156_reg_defaults), +}; + +static const struct snd_soc_component_driver soc_codec_dev_es8156 = { + .probe = es8156_probe, + .remove = es8156_remove, + .suspend = es8156_suspend, + .resume = es8156_resume, + .set_bias_level = es8156_set_bias_level, + .controls = es8156_snd_controls, + .num_controls = ARRAY_SIZE(es8156_snd_controls), + .dapm_widgets = es8156_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(es8156_dapm_widgets), + .dapm_routes = es8156_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(es8156_dapm_routes), +}; + +/* es8156 7bit i2c address:CE pin:0 0x08 / CE pin:1 0x09 */ +static int es8156_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct es8156_priv *es8156; + int ret = -1; + + es8156 = devm_kzalloc(&i2c->dev, sizeof(*es8156), GFP_KERNEL); + if (!es8156) + return -ENOMEM; + + es8156->debounce_time = 200; + es8156->hp_det_invert = 0; + es8156->pwr_count = 0; + es8156->hp_inserted = false; + es8156->muted = true; + + es8156->regmap = devm_regmap_init_i2c(i2c, &es8156_regmap_config); + if (IS_ERR(es8156->regmap)) { + ret = PTR_ERR(es8156->regmap); + dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); + return ret; + } + + i2c_set_clientdata(i2c, es8156); +#ifdef HP_DET_FUNTION + es8156->spk_ctl_gpio = of_get_named_gpio_flags(np, + "spk-con-gpio", + 0, + &flags); + if (es8156->spk_ctl_gpio < 0) { + dev_info(&i2c->dev, "Can not read property spk_ctl_gpio\n"); + es8156->spk_ctl_gpio = INVALID_GPIO; + } else { + es8156->spk_active_level = !(flags & OF_GPIO_ACTIVE_LOW); + ret = devm_gpio_request_one(&i2c->dev, es8156->spk_ctl_gpio, + GPIOF_DIR_OUT, NULL); + if (ret) { + dev_err(&i2c->dev, "Failed to request spk_ctl_gpio\n"); + return ret; + } + es8156_enable_spk(es8156, false); + } + + es8156->hp_det_gpio = of_get_named_gpio_flags(np, + "hp-det-gpio", + 0, + &flags); + if (es8156->hp_det_gpio < 0) { + dev_info(&i2c->dev, "Can not read property hp_det_gpio\n"); + es8156->hp_det_gpio = INVALID_GPIO; + } else { + INIT_DELAYED_WORK(&es8156->work, hp_work); + es8156->hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW); + ret = devm_gpio_request_one(&i2c->dev, es8156->hp_det_gpio, + GPIOF_IN, "hp det"); + if (ret < 0) + return ret; + hp_irq = gpio_to_irq(es8156->hp_det_gpio); + ret = devm_request_threaded_irq(&i2c->dev, hp_irq, NULL, + es8156_irq_handler, + IRQF_TRIGGER_FALLING | + IRQF_TRIGGER_RISING | + IRQF_ONESHOT, + "es8156_interrupt", es8156); + if (ret < 0) { + dev_err(&i2c->dev, "request_irq failed: %d\n", ret); + return ret; + } + + schedule_delayed_work(&es8156->work, + msecs_to_jiffies(es8156->debounce_time)); + } +#endif + ret = snd_soc_register_component(&i2c->dev, + &soc_codec_dev_es8156, + &es8156_dai, 1); + + return ret; +} + +static int es8156_i2c_remove(struct i2c_client *client) +{ + snd_soc_unregister_component(&client->dev); + + return 0; +} + +static void es8156_i2c_shutdown(struct i2c_client *client) +{ + struct es8156_priv *es8156 = i2c_get_clientdata(client); + + if (es8156_codec != NULL) { + es8156_enable_spk(es8156, false); + msleep(20); + es8156_set_bias_level(es8156_codec, SND_SOC_BIAS_OFF); + } +} + +static const struct i2c_device_id es8156_i2c_id[] = { + {"es8156", 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, es8156_i2c_id); + + +static const struct of_device_id es8156_of_match[] = { + { .compatible = "everest,es8156", }, + { } +}; +MODULE_DEVICE_TABLE(of, es8156_of_match); + +static struct i2c_driver es8156_i2c_driver = { + .driver = { + .name = "es8156", + .of_match_table = es8156_of_match, + }, + .probe = es8156_i2c_probe, + .remove = es8156_i2c_remove, + .shutdown = es8156_i2c_shutdown, + .id_table = es8156_i2c_id, +}; +module_i2c_driver(es8156_i2c_driver); + +MODULE_DESCRIPTION("ASoC es8156 driver"); +MODULE_AUTHOR("Will pengxiaoxin@everset-semi.com"); +MODULE_AUTHOR("Shumin Chen chenshumin86@sina.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/es8156.h b/sound/soc/codecs/es8156.h new file mode 100644 index 000000000000..2ad84a91312c --- /dev/null +++ b/sound/soc/codecs/es8156.h @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright Everest Semiconductor Co.,Ltd + * + * Author: Will pengxiaoxin@everset-semi.com + * Shumin Chen chenshumin86@sina.com + */ + +#ifndef _ES8156_H +#define _ES8156_H + +/* ES8156 register space + * + * RESET Control + */ +#define ES8156_RESET_REG00 0x00 + +/* + * Clock Managerment + */ +#define ES8156_MAINCLOCK_CTL_REG01 0x01 +#define ES8156_SCLK_MODE_REG02 0x02 +#define ES8156_LRCLK_DIV_H_REG03 0x03 +#define ES8156_LRCLK_DIV_L_REG04 0x04 +#define ES8156_SCLK_DIV_REG05 0x05 +#define ES8156_NFS_CONFIG_REG06 0x06 +#define ES8156_MISC_CONTROL1_REG07 0x07 +#define ES8156_CLOCK_ON_OFF_REG08 0x08 +#define ES8156_MISC_CONTROL2_REG09 0x09 +#define ES8156_TIME_CONTROL1_REG0A 0x0a +#define ES8156_TIME_CONTROL2_REG0B 0x0b + +/* + * System Control + */ +#define ES8156_CHIP_STATUS_REG0C 0x0c +#define ES8156_P2S_CONTROL_REG0D 0x0d +#define ES8156_DAC_OSR_COUNTER_REG10 0x10 + +/* + * SDP Control + */ +#define ES8156_DAC_SDP_REG11 0x11 +#define ES8156_AUTOMUTE_SET_REG12 0x12 +#define ES8156_DAC_MUTE_REG13 0x13 +#define ES8156_VOLUME_CONTROL_REG14 0x14 + +/* + * ALC Control + */ +#define ES8156_ALC_CONFIG1_REG15 0x15 +#define ES8156_ALC_CONFIG2_REG16 0x16 +#define ES8156_ALC_CONFIG3_REG17 0x17 +#define ES8156_MISC_CONTROL3_REG18 0x18 +#define ES8156_EQ_CONTROL1_REG19 0x19 +#define ES8156_EQ_CONTROL2_REG1A 0x1a + +/* + * Analog System Control + */ +#define ES8156_ANALOG_SYS1_REG20 0x20 +#define ES8156_ANALOG_SYS2_REG21 0x21 +#define ES8156_ANALOG_SYS3_REG22 0x22 +#define ES8156_ANALOG_SYS4_REG23 0x23 +#define ES8156_ANALOG_LP_REG24 0x24 +#define ES8156_ANALOG_SYS5_REG25 0x25 + +/* + * Chip Information + */ +#define ES8156_I2C_PAGESEL_REGFC 0xFC +#define ES8156_CHIPID1_REGFD 0xFD +#define ES8156_CHIPID0_REGFE 0xFE +#define ES8156_CHIP_VERSION_REGFF 0xFF + +#endif

This patch converts Everest Semiconductor ES8156 low power audio CODEC binding to DT schema.

Signed-off-by: Shumin Chen chenshumin86@sina.com --- .../bindings/sound/everest,es8156.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/everest,es8156.yaml

diff --git a/Documentation/devicetree/bindings/sound/everest,es8156.yaml b/Documentation/devicetree/bindings/sound/everest,es8156.yaml new file mode 100644 index 000000000000..695d542013c2 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/everest,es8156.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/everest,es8156.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Everest ES8156 audio CODEC + +maintainers: + - Shumin Chen chenshumin86@sina.com + +properties: + compatible: + const: everest,es8156 + + reg: + maxItems: 1 + + clocks: + items: + - description: clock for master clock (MCLK) + + clock-names: + items: + - const: mclk + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + es8156: codec@8 { + compatible = "everest,es8156"; + reg = <0x11>; + clocks = <&clks 10>; + clock-names = "mclk"; + #sound-dai-cells = <0>; + }; + };