+ * Daniel Drake <drake@xxxxxxxxxxxx>
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/mod_devicetable.h>
+#include <linux/regmap.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+#include "es8316.h"
+
+/* In slave mode at single speed, the codec is documented as accepting 5
+ * MCLK/LRCK ratios, but we also add ratio 400, which is commonly used on
+ * Intel Cherry Trail platforms (19.2MHz MCLK, 48kHz LRCK).
+ */
+#define NR_SUPPORTED_MCLK_LRCK_RATIOS 6
+static const unsigned int supported_mclk_lrck_ratios[] = {
+ 256, 384, 400, 512, 768, 1024
+};
+
+struct es8316_priv {
+ unsigned int sysclk;
+ unsigned int allowed_rates[NR_SUPPORTED_MCLK_LRCK_RATIOS];
+ struct snd_pcm_hw_constraint_list sysclk_constraints;
+};
+
+/*
+ * ES8316 controls
+ */
+static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
+static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
+static const DECLARE_TLV_DB_SCALE(hpmixer_gain_tlv, -1200, 150, 0);
+static const DECLARE_TLV_DB_SCALE(mic_bst_tlv, 0, 1200, 0);
+
+static unsigned int linin_pga_tlv[] = {
+ TLV_DB_RANGE_HEAD(12),
+ 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
+ 1, 1, TLV_DB_SCALE_ITEM(300, 0, 0),
+ 2, 2, TLV_DB_SCALE_ITEM(600, 0, 0),
+ 3, 3, TLV_DB_SCALE_ITEM(900, 0, 0),
+ 4, 4, TLV_DB_SCALE_ITEM(1200, 0, 0),
+ 5, 5, TLV_DB_SCALE_ITEM(1500, 0, 0),
+ 6, 6, TLV_DB_SCALE_ITEM(1800, 0, 0),
+ 7, 7, TLV_DB_SCALE_ITEM(2100, 0, 0),
+ 8, 8, TLV_DB_SCALE_ITEM(2400, 0, 0),
+};
+static unsigned int hpout_vol_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 3, TLV_DB_SCALE_ITEM(-4800, 1200, 0),
+};
+static const char * const alc_func_txt[] = { "Off", "On" };
+static const struct soc_enum alc_func =
+ SOC_ENUM_SINGLE(ES8316_ADC_ALC1, 6, 2, alc_func_txt);
+
+static const char * const ng_type_txt[] =
+ { "Constant PGA Gain", "Mute ADC Output"};
+static const struct soc_enum ng_type =
+ SOC_ENUM_SINGLE(ES8316_ADC_ALC6, 6, 2, ng_type_txt);
+
+static const char * const adcpol_txt[] = { "Normal", "Invert" };
+static const struct soc_enum adcpol =
+ SOC_ENUM_SINGLE(ES8316_ADC_MUTE, 1, 2, adcpol_txt);
+static const char *const dacpol_txt[] =
+ { "Normal", "R Invert", "L Invert", "L + R Invert" };
+static const struct soc_enum dacpol =
+ SOC_ENUM_SINGLE(ES8316_DAC_SET1, 0, 4, dacpol_txt);
+
+static const struct snd_kcontrol_new es8316_snd_controls[] = {
+ SOC_DOUBLE_TLV("HP Playback Volume", ES8316_CPHP_ICAL_VOL,
+ 4, 0, 0, 1, hpout_vol_tlv),
+ SOC_DOUBLE_TLV("HPMixer Gain", ES8316_HPMIX_VOL,
+ 0, 4, 7, 0, hpmixer_gain_tlv),
+
+ SOC_DOUBLE_R_TLV("DAC Playback Volume", ES8316_DAC_VOLL,
+ ES8316_DAC_VOLR, 0, 0xC0, 1, dac_vol_tlv),
+
+ SOC_SINGLE("Enable DAC Soft Ramp", ES8316_DAC_SET1, 4, 1, 1),
+ SOC_SINGLE("DAC Soft Ramp Rate", ES8316_DAC_SET1, 2, 4, 0),
+
+ SOC_ENUM("Playback Polarity", dacpol),
+ SOC_SINGLE("DAC Notch Filter", ES8316_DAC_SET2, 6, 1, 0),
+ SOC_SINGLE("DAC Double Fs Mode", ES8316_DAC_SET2, 7, 1, 0),
+ SOC_SINGLE("DAC Volume Control-LeR", ES8316_DAC_SET2, 2, 1, 0),
+ SOC_SINGLE("DAC Stereo Enhancement", ES8316_DAC_SET3, 0, 7, 0),
+
+ /* +20dB D2SE PGA Control */
+ SOC_SINGLE_TLV("MIC Boost", ES8316_ADC_D2SEPGA,
+ 0, 1, 0, mic_bst_tlv),
+
+ /* 0-+24dB Lineinput PGA Control */
+ SOC_SINGLE_TLV("Input PGA", ES8316_ADC_PGAGAIN,
+ 4, 8, 0, linin_pga_tlv),
+
+ SOC_SINGLE_TLV("ADC Capture Volume", ES8316_ADC_VOLUME,
+ 0, 0xc0, 1, adc_vol_tlv),
+ SOC_SINGLE("ADC Soft Ramp", ES8316_ADC_MUTE, 4, 1, 0),
+ SOC_ENUM("Capture Polarity", adcpol),
+ SOC_SINGLE("ADC Double FS Mode", ES8316_ADC_DMIC, 4, 1, 0),
+
+ SOC_SINGLE("ALC Capture Target Volume",
+ ES8316_ADC_ALC3, 4, 10, 0),
+ SOC_SINGLE("ALC Capture Max PGA", ES8316_ADC_ALC1, 0, 28, 0),
+ SOC_SINGLE("ALC Capture Min PGA", ES8316_ADC_ALC2, 0, 28, 0),
+ SOC_ENUM("ALC Capture Function", alc_func),
+ SOC_SINGLE("ALC Capture Hold Time", ES8316_ADC_ALC3, 0, 10, 0),
+ SOC_SINGLE("ALC Capture Decay Time", ES8316_ADC_ALC4, 4, 10, 0),
+ SOC_SINGLE("ALC Capture Attack Time", ES8316_ADC_ALC4, 0, 10, 0),
+ SOC_SINGLE("ALC Capture NG Threshold", ES8316_ADC_ALC6, 0, 31, 0),
+ SOC_ENUM("ALC Capture NG Type", ng_type),
+ SOC_SINGLE("ALC Capture NG Switch", ES8316_ADC_ALC6, 5, 1, 0),
+};
+
+/* Analog Input Mux */
+static const char * const es8316_analog_in_txt[] = {
+ "lin1-rin1",
+ "lin2-rin2",
+ "lin1-rin1 with 20db Boost",
+ "lin2-rin2 with 20db Boost"
+};
+static const unsigned int es8316_analog_in_values[] = { 0, 1, 2, 3 };
+static const struct soc_enum es8316_analog_input_enum =
+ SOC_VALUE_ENUM_SINGLE(ES8316_ADC_PDN_LINSEL, 4, 3,
+ ARRAY_SIZE(es8316_analog_in_txt),
+ es8316_analog_in_txt,
+ es8316_analog_in_values);
+static const struct snd_kcontrol_new es8316_analog_in_mux_controls =
+ SOC_DAPM_ENUM("Route", es8316_analog_input_enum);
+
+static const char * const es8316_dmic_txt[] = {
+ "dmic disable",
+ "dmic data at high level",
+ "dmic data at low level",
+};
+static const unsigned int es8316_dmic_values[] = { 0, 1, 2 };
+static const struct soc_enum es8316_dmic_src_enum =
+ SOC_VALUE_ENUM_SINGLE(ES8316_ADC_DMIC, 0, 3,
+ ARRAY_SIZE(es8316_dmic_txt),
+ es8316_dmic_txt,
+ es8316_dmic_values);
+static const struct snd_kcontrol_new es8316_dmic_src_controls =
+ SOC_DAPM_ENUM("Route", es8316_dmic_src_enum);
+
+/* hp mixer mux */
+static const char * const es8316_hpmux_texts[] = {
+ "lin1-rin1",
+ "lin2-rin2",
+ "lin-rin with Boost",
+ "lin-rin with Boost and PGA"
+};
+
+static const unsigned int es8316_hpmux_values[] = { 0, 1, 2, 3 };
+
+static SOC_ENUM_SINGLE_DECL(es8316_left_hpmux_enum, ES8316_HPMIX_SEL,
+ 4, es8316_hpmux_texts);
+
+static const struct snd_kcontrol_new es8316_left_hpmux_controls =
+ SOC_DAPM_ENUM("Route", es8316_left_hpmux_enum);
+
+static SOC_ENUM_SINGLE_DECL(es8316_right_hpmux_enum, ES8316_HPMIX_SEL,
+ 0, es8316_hpmux_texts);
+
+static const struct snd_kcontrol_new es8316_right_hpmux_controls =
+ SOC_DAPM_ENUM("Route", es8316_right_hpmux_enum);
+
+/* headphone Output Mixer */
+static const struct snd_kcontrol_new es8316_out_left_mix[] = {
+ SOC_DAPM_SINGLE("LLIN Switch", ES8316_HPMIX_SWITCH, 6, 1, 0),
+ SOC_DAPM_SINGLE("Left DAC Switch", ES8316_HPMIX_SWITCH, 7, 1, 0),
+};
+static const struct snd_kcontrol_new es8316_out_right_mix[] = {
+ SOC_DAPM_SINGLE("RLIN Switch", ES8316_HPMIX_SWITCH, 2, 1, 0),
+ SOC_DAPM_SINGLE("Right DAC Switch", ES8316_HPMIX_SWITCH, 3, 1, 0),
+};
+
+/* DAC data source mux */
+static const char * const es8316_dacsrc_texts[] = {
+ "LDATA TO LDAC, RDATA TO RDAC",
+ "LDATA TO LDAC, LDATA TO RDAC",
+ "RDATA TO LDAC, RDATA TO RDAC",
+ "RDATA TO LDAC, LDATA TO RDAC",
+};
+
+static const unsigned int es8316_dacsrc_values[] = { 0, 1, 2, 3 };
+
+static SOC_ENUM_SINGLE_DECL(es8316_dacsrc_mux_enum, ES8316_DAC_SET1,
+ 6, es8316_dacsrc_texts);
+
+static const struct snd_kcontrol_new es8316_dacsrc_mux_controls =
+ SOC_DAPM_ENUM("Route", es8316_dacsrc_mux_enum);
+
+static const struct snd_soc_dapm_widget es8316_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("DMIC"),
+ SND_SOC_DAPM_INPUT("MIC1"),
+ SND_SOC_DAPM_INPUT("MIC2"),
+ SND_SOC_DAPM_MICBIAS("micbias", SND_SOC_NOPM, 0, 0),
+
+ /* Input Mux */
+ SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
+ &es8316_analog_in_mux_controls),
+
+ SND_SOC_DAPM_PGA("Line input PGA", ES8316_ADC_PDN_LINSEL,
+ 7, 1, NULL, 0),
+ SND_SOC_DAPM_ADC("Mono ADC", NULL, ES8316_ADC_PDN_LINSEL, 6, 1),
+ SND_SOC_DAPM_MUX("Digital Mic Mux", SND_SOC_NOPM, 0, 0,
+ &es8316_dmic_src_controls),
+
+ /* Digital Interface */
+ SND_SOC_DAPM_AIF_OUT("I2S OUT", "I2S1 Capture", 1,
+ ES8316_SERDATA_ADC, 6, 1),
+ SND_SOC_DAPM_AIF_IN("I2S IN", "I2S1 Playback", 0,
+ SND_SOC_NOPM, 0, 0),
+
+ SND_SOC_DAPM_MUX("DAC SRC Mux", SND_SOC_NOPM, 0, 0,
+ &es8316_dacsrc_mux_controls),
+
+ SND_SOC_DAPM_DAC("Right DAC", NULL, SND_SOC_NOPM, 0, 1),
+ SND_SOC_DAPM_DAC("Left DAC", NULL, SND_SOC_NOPM, 4, 1),
+
+ /* Headphone Output Side */
+ SND_SOC_DAPM_MUX("Left Hp mux", SND_SOC_NOPM, 0, 0,
+ &es8316_left_hpmux_controls),
+ SND_SOC_DAPM_MUX("Right Hp mux", SND_SOC_NOPM, 0, 0,
+ &es8316_right_hpmux_controls),
+ SND_SOC_DAPM_MIXER("Left Hp mixer", SND_SOC_NOPM,
+ 4, 1, &es8316_out_left_mix[0],
+ ARRAY_SIZE(es8316_out_left_mix)),
+ SND_SOC_DAPM_MIXER("Right Hp mixer", SND_SOC_NOPM,
+ 0, 1, &es8316_out_right_mix[0],
+ ARRAY_SIZE(es8316_out_right_mix)),
+
+ /* Output charge pump */
+ SND_SOC_DAPM_PGA("HPCP L", SND_SOC_NOPM, 6, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HPCP R", SND_SOC_NOPM, 2, 0, NULL, 0),
+
+ /* Output Driver */
+ SND_SOC_DAPM_PGA("HPVOL L", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HPVOL R", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_OUTPUT("HPOL"),
+ SND_SOC_DAPM_OUTPUT("HPOR"),
+};
+
+static const struct snd_soc_dapm_route es8316_dapm_routes[] = {
+ /* Recording */
+ {"MIC1", NULL, "micbias"},
+ {"MIC2", NULL, "micbias"},
+
+ {"Differential Mux", "lin1-rin1", "MIC1"},
+ {"Differential Mux", "lin2-rin2", "MIC2"},
+ {"Line input PGA", NULL, "Differential Mux"},
+
+ {"Mono ADC", NULL, "Line input PGA"},
+
+ {"Digital Mic Mux", "dmic disable", "Mono ADC"},
+
+ {"I2S OUT", NULL, "Digital Mic Mux"},
+
+ /* Playback */
+ {"DAC SRC Mux", "LDATA TO LDAC, RDATA TO RDAC", "I2S IN"},
+
+ {"Left DAC", NULL, "DAC SRC Mux"},
+ {"Right DAC", NULL, "DAC SRC Mux"},
+
+ {"Left Hp mux", "lin-rin with Boost and PGA", "Line input PGA"},
+ {"Right Hp mux", "lin-rin with Boost and PGA", "Line input PGA"},
+
+ {"Left Hp mixer", "LLIN Switch", "Left Hp mux"},
+ {"Left Hp mixer", "Left DAC Switch", "Left DAC"},
+
+ {"Right Hp mixer", "RLIN Switch", "Right Hp mux"},
+ {"Right Hp mixer", "Right DAC Switch", "Right DAC"},
+
+ {"HPCP L", NULL, "Left Hp mixer"},
+ {"HPCP R", NULL, "Right Hp mixer"},
+
+ {"HPVOL L", NULL, "HPCP L"},
+ {"HPVOL R", NULL, "HPCP R"},
+
+ {"HPOL", NULL, "HPVOL L"},
+ {"HPOR", NULL, "HPVOL R"},
+};
+
+static int es8316_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
+ int i;
+
+ if (freq == 0)
+ return -EINVAL;
+
+ /* Limit supported sample rates to ones that can be autodetected
+ * by the codec running in slave mode.
+ */
+ for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
+ const unsigned int ratio = supported_mclk_lrck_ratios[i];
+
+ es8316->allowed_rates[i] = freq / ratio;
+ }
+
+ es8316->sysclk_constraints.list = es8316->allowed_rates;
+ es8316->sysclk_constraints.count = NR_SUPPORTED_MCLK_LRCK_RATIOS;
+ es8316->sysclk = freq;
+
+ return 0;
+}
+
+static int es8316_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u8 serdata1 = 0;
+ u8 serdata2 = 0;
+ u8 mask;
+
+ if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) {
+ dev_err(codec->dev, "Codec driver only supports slave mode\n");
+ return -EINVAL;
+ }
+
+ if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_I2S) {
+ dev_err(codec->dev, "Codec driver only supports I2S format\n");
+ return -EINVAL;
+ }
+
+ /* Clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ serdata1 |= ES8316_SERDATA1_BCLK_INV;
+ serdata2 |= ES8316_SERDATA2_ADCLRP;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ serdata1 |= ES8316_SERDATA1_BCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ serdata2 |= ES8316_SERDATA2_ADCLRP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ mask = ES8316_SERDATA1_MASTER | ES8316_SERDATA1_BCLK_INV;
+ snd_soc_update_bits(codec, ES8316_SERDATA1, mask, serdata1);
+
+ mask = ES8316_SERDATA2_FMT_MASK | ES8316_SERDATA2_ADCLRP;
+ snd_soc_update_bits(codec, ES8316_SERDATA_ADC, mask, serdata2);
+ snd_soc_update_bits(codec, ES8316_SERDATA_DAC, mask, serdata2);
+
+ return 0;
+}
+
+static int es8316_pcm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
+
+ /* The set of sample rates that can be supported depends on the
+ * MCLK supplied to the CODEC.
+ */
+ if (es8316->sysclk)
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &es8316->sysclk_constraints);
+
+ return 0;
+}
+
+static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
+ u8 wordlen = 0;
+
+ if (!es8316->sysclk) {
+ dev_err(codec->dev, "No MCLK configured\n");
+ return -EINVAL;
+ }
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ wordlen = ES8316_SERDATA2_LEN_16;
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ wordlen = ES8316_SERDATA2_LEN_20;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ wordlen = ES8316_SERDATA2_LEN_24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ wordlen = ES8316_SERDATA2_LEN_32;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, ES8316_SERDATA_DAC,
+ ES8316_SERDATA2_LEN_MASK, wordlen);
+ snd_soc_update_bits(codec, ES8316_SERDATA_ADC,
+ ES8316_SERDATA2_LEN_MASK, wordlen);
+ return 0;
+}
+
+static int es8316_mute(struct snd_soc_dai *dai, int mute)
+{
+ snd_soc_update_bits(dai->codec, ES8316_DAC_SET1, 0x20,
+ mute ? 0x20 : 0);
+ return 0;
+}
+
+static int es8316_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ snd_soc_write(codec, ES8316_RESET, 0xC0);
+ snd_soc_write(codec, ES8316_CPHP_OUTEN, 0x66);
+ snd_soc_write(codec, ES8316_DAC_PDN, 0x00);
+ snd_soc_write(codec, ES8316_CPHP_LDOCTL, 0x30);
+ snd_soc_write(codec, ES8316_CPHP_PDN2, 0x10);
+ snd_soc_write(codec, ES8316_CPHP_PDN1, 0x03);
+ snd_soc_write(codec, ES8316_HPMIX_PDN, 0x00);
+ snd_soc_update_bits(codec, ES8316_ADC_PDN_LINSEL, 0xc0, 0x00);
+ snd_soc_write(codec, ES8316_SYS_PDN, 0x00);
+ snd_soc_write(codec, ES8316_SYS_LP1, 0x04);
+ snd_soc_write(codec, ES8316_SYS_LP2, 0x0c);
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ break;
+ case SND_SOC_BIAS_OFF:
+ snd_soc_write(codec, ES8316_CPHP_OUTEN, 0x00);
+ snd_soc_write(codec, ES8316_DAC_PDN, 0x11);
+ snd_soc_write(codec, ES8316_CPHP_LDOCTL, 0x03);
+ snd_soc_write(codec, ES8316_CPHP_PDN2, 0x22);
+ snd_soc_write(codec, ES8316_CPHP_PDN1, 0x06);
+ snd_soc_write(codec, ES8316_HPMIX_PDN, 0x33);
+ snd_soc_update_bits(codec, ES8316_ADC_PDN_LINSEL, 0xc0, 0xc0);
+ snd_soc_write(codec, ES8316_SYS_PDN, 0x3f);
+ snd_soc_write(codec, ES8316_SYS_LP1, 0x3f);
+ snd_soc_write(codec, ES8316_SYS_LP2, 0x1f);
+ snd_soc_write(codec, ES8316_RESET, 0x00);
+ break;
+ }
+
+ return 0;
+}
+
+#define ES8316_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_ops es8316_ops = {
+ .startup = es8316_pcm_startup,
+ .hw_params = es8316_pcm_hw_params,
+ .set_fmt = es8316_set_dai_fmt,
+ .set_sysclk = es8316_set_dai_sysclk,
+ .digital_mute = es8316_mute,
+};
+
+static struct snd_soc_dai_driver es8316_dai = {
+ .name = "ES8316 HiFi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = ES8316_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = ES8316_FORMATS,
+ },
+ .ops = &es8316_ops,
+ .symmetric_rates = 1,
+};
+
+static int es8316_probe(struct snd_soc_codec *codec)
+{
+ snd_soc_write(codec, ES8316_RESET, 0x3f);
+ usleep_range(5000, 5500);
+ snd_soc_write(codec, ES8316_RESET, 0x00);
+ snd_soc_write(codec, ES8316_SYS_VMIDSEL, 0xFF);
+ msleep(30);
+
+ snd_soc_write(codec, ES8316_CLKMGR_CLKSEL, 0x08);
+ snd_soc_write(codec, ES8316_CLKMGR_ADCOSR, 0x20);
+ snd_soc_write(codec, ES8316_CLKMGR_ADCDIV1, 0x11);
+ snd_soc_write(codec, ES8316_CLKMGR_ADCDIV2, 0x00);
+ snd_soc_write(codec, ES8316_CLKMGR_DACDIV1, 0x11);
+ snd_soc_write(codec, ES8316_CLKMGR_DACDIV2, 0x00);
+ snd_soc_write(codec, ES8316_CLKMGR_CPDIV, 0x00);
+ snd_soc_write(codec, ES8316_SERDATA1, 0x04);
+ snd_soc_write(codec, ES8316_CLKMGR_CLKSW, 0x7f);
+ snd_soc_write(codec, ES8316_CAL_TYPE, 0x0F);
+ snd_soc_write(codec, ES8316_CAL_HPLIV, 0x90);
+ snd_soc_write(codec, ES8316_CAL_HPRIV, 0x90);
+ snd_soc_write(codec, ES8316_ADC_VOLUME, 0x00);
+ snd_soc_write(codec, ES8316_ADC_D2SEPGA, 0x00);
+ snd_soc_write(codec, ES8316_ADC_DMIC, 0x08);
+ snd_soc_write(codec, ES8316_DAC_SET2, 0x00);
+ snd_soc_write(codec, ES8316_DAC_SET3, 0x00);
+ snd_soc_write(codec, ES8316_DAC_VOLL, 0x02);
+ snd_soc_write(codec, ES8316_DAC_VOLR, 0x02);
+ snd_soc_write(codec, ES8316_SERDATA_ADC, 0x00);
+ snd_soc_write(codec, ES8316_SERDATA_DAC, 0x00);
+ snd_soc_write(codec, ES8316_SYS_VMIDLOW, 0x11);
+ snd_soc_write(codec, ES8316_SYS_VSEL, 0xfc);
+ snd_soc_write(codec, ES8316_SYS_REF, 0x28);
+ snd_soc_write(codec, ES8316_HPMIX_SEL, 0x00);
+ snd_soc_write(codec, ES8316_HPMIX_SWITCH, 0x88);
+ snd_soc_write(codec, ES8316_HPMIX_VOL, 0x88);
+ snd_soc_write(codec, ES8316_CPHP_ICAL_VOL, 0x00);
+ snd_soc_write(codec, ES8316_GPIO_SEL, 0x00);
+ snd_soc_write(codec, ES8316_GPIO_DEBUNCE_INT, 0x02);
+ snd_soc_write(codec, ES8316_TESTMODE, 0xa0);
+ snd_soc_write(codec, ES8316_TEST1, 0x00);
+ snd_soc_write(codec, ES8316_TEST2, 0x04);
+ snd_soc_write(codec, ES8316_RESET, 0xc0);
+ msleep(50);
+ snd_soc_write(codec, ES8316_ADC_PGAGAIN, 0x60);
+ snd_soc_write(codec, ES8316_ADC_D2SEPGA, 0x01);
+
+ /* ADC DS mode, HPF enable */
+ snd_soc_write(codec, ES8316_ADC_DMIC, 0x08);
+ snd_soc_write(codec, ES8316_ADC_ALC1, 0xcd);
+ snd_soc_write(codec, ES8316_ADC_ALC2, 0x08);
+ snd_soc_write(codec, ES8316_ADC_ALC3, 0xa0);
+ snd_soc_write(codec, ES8316_ADC_ALC4, 0x05);
+ snd_soc_write(codec, ES8316_ADC_ALC5, 0x06);
+ snd_soc_write(codec, ES8316_ADC_ALC6, 0x61);
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_es8316 = {
+ .probe = es8316_probe,
+ .set_bias_level = es8316_set_bias_level,
+ .idle_bias_off = true,
+
+ .component_driver = {
+ .controls = es8316_snd_controls,
+ .num_controls = ARRAY_SIZE(es8316_snd_controls),
+ .dapm_widgets = es8316_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(es8316_dapm_widgets),
+ .dapm_routes = es8316_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(es8316_dapm_routes),
+ },
+};
+
+static const struct regmap_config es8316_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x53,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int es8316_i2c_probe(struct i2c_client *i2c_client,
+ const struct i2c_device_id *id)
+{
+ struct es8316_priv *es8316;
+ struct regmap *regmap;
+
+ es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),
+ GFP_KERNEL);
+ if (es8316 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c_client, es8316);
+
+ regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return snd_soc_register_codec(&i2c_client->dev, &soc_codec_dev_es8316,
+ &es8316_dai, 1);
+}
+
+static int es8316_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id es8316_i2c_id[] = {
+ {"ESSX8316", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, es8316_i2c_id);
+
+static const struct of_device_id es8316_of_match[] = {
+ { .compatible = "everest,es8316", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, es8316_of_match);
+
+static const struct acpi_device_id es8316_acpi_match[] = {
+ {"ESSX8316", 0},
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, es8316_acpi_match);
+
+static struct i2c_driver es8316_i2c_driver = {
+ .driver = {
+ .name = "es8316",
+ .acpi_match_table = ACPI_PTR(es8316_acpi_match),
+ .of_match_table = of_match_ptr(es8316_of_match),
+ },
+ .probe = es8316_i2c_probe,
+ .remove = es8316_i2c_remove,
+ .id_table = es8316_i2c_id,
+};
+module_i2c_driver(es8316_i2c_driver);
+
+MODULE_DESCRIPTION("Everest Semi ES8316 ALSA SoC Codec Driver");
+MODULE_AUTHOR("David Yang <yangxiaohua@xxxxxxxxxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/es8316.h b/sound/soc/codecs/es8316.h
new file mode 100644
index 000000000000..702bebc69ca8
--- /dev/null
+++ b/sound/soc/codecs/es8316.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright Everest Semiconductor Co.,Ltd
+ *
+ * Author: David Yang <yangxiaohua@xxxxxxxxxxxxxxxx>
+ *
+ * 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.
+ *
+ */
+
+#ifndef _ES8316_H
+#define _ES8316_H
+
+/*
+ * ES8316 register space
+ */
+
+/* Reset Control */
+#define ES8316_RESET 0x00
+
+/* Clock Management */
+#define ES8316_CLKMGR_CLKSW 0x01
+#define ES8316_CLKMGR_CLKSEL 0x02
+#define ES8316_CLKMGR_ADCOSR 0x03
+#define ES8316_CLKMGR_ADCDIV1 0x04
+#define ES8316_CLKMGR_ADCDIV2 0x05
+#define ES8316_CLKMGR_DACDIV1 0x06
+#define ES8316_CLKMGR_DACDIV2 0x07
+#define ES8316_CLKMGR_CPDIV 0x08
+
+/* Serial Data Port Control */
+#define ES8316_SERDATA1 0x09
+#define ES8316_SERDATA_ADC 0x0a
+#define ES8316_SERDATA_DAC 0x0b
+
+/* System Control */
+#define ES8316_SYS_VMIDSEL 0x0c
+#define ES8316_SYS_PDN 0x0d
+#define ES8316_SYS_LP1 0x0e
+#define ES8316_SYS_LP2 0x0f
+#define ES8316_SYS_VMIDLOW 0x10
+#define ES8316_SYS_VSEL 0x11
+#define ES8316_SYS_REF 0x12
+
+/* Headphone Mixer */
+#define ES8316_HPMIX_SEL 0x13
+#define ES8316_HPMIX_SWITCH 0x14
+#define ES8316_HPMIX_PDN 0x15
+#define ES8316_HPMIX_VOL 0x16
+
+/* Charge Pump Headphone driver */
+#define ES8316_CPHP_OUTEN 0x17
+#define ES8316_CPHP_ICAL_VOL 0x18
+#define ES8316_CPHP_PDN1 0x19
+#define ES8316_CPHP_PDN2 0x1a
+#define ES8316_CPHP_LDOCTL 0x1b
+
+/* Calibration */
+#define ES8316_CAL_TYPE 0x1c
+#define ES8316_CAL_SET 0x1d
+#define ES8316_CAL_HPLIV 0x1e
+#define ES8316_CAL_HPRIV 0x1f
+#define ES8316_CAL_HPLMV 0x20
+#define ES8316_CAL_HPRMV 0x21
+
+/* ADC Control */
+#define ES8316_ADC_PDN_LINSEL 0x22
+#define ES8316_ADC_PGAGAIN 0x23
+#define ES8316_ADC_D2SEPGA 0x24
+#define ES8316_ADC_DMIC 0x25
+#define ES8316_ADC_MUTE 0x26
+#define ES8316_ADC_VOLUME 0x27
+#define ES8316_ADC_ALC1 0x29
+#define ES8316_ADC_ALC2 0x2a
+#define ES8316_ADC_ALC3 0x2b
+#define ES8316_ADC_ALC4 0x2c
+#define ES8316_ADC_ALC5 0x2d
+#define ES8316_ADC_ALC6 0x2e
+
+/* DAC Control */
+#define ES8316_DAC_PDN 0x2f
+#define ES8316_DAC_SET1 0x30
+#define ES8316_DAC_SET2 0x31
+#define ES8316_DAC_SET3 0x32
+#define ES8316_DAC_VOLL 0x33
+#define ES8316_DAC_VOLR 0x34
+
+/* GPIO */
+#define ES8316_GPIO_SEL 0x4d
+#define ES8316_GPIO_DEBUNCE_INT 0x4e
+#define ES8316_GPIO_FLAG 0x4f
+
+/* Test mode */
+#define ES8316_TESTMODE 0x50
+#define ES8316_TEST1 0x51
+#define ES8316_TEST2 0x52
+#define ES8316_TEST3 0x53
+
+/*
+ * Field definitions
+ */
+
+/* ES8316_SERDATA1 */
+#define ES8316_SERDATA1_MASTER 0x80
+#define ES8316_SERDATA1_BCLK_INV 0x20
+
+/* ES8316_SERDATA_ADC and _DAC */
+#define ES8316_SERDATA2_FMT_MASK 0x3
+#define ES8316_SERDATA2_FMT_I2S 0x00
+#define ES8316_SERDATA2_FMT_LEFTJ 0x01
+#define ES8316_SERDATA2_FMT_RIGHTJ 0x02
+#define ES8316_SERDATA2_FMT_PCM 0x03
+#define ES8316_SERDATA2_ADCLRP 0x20
+#define ES8316_SERDATA2_LEN_MASK 0x1c
+#define ES8316_SERDATA2_LEN_24 0x00
+#define ES8316_SERDATA2_LEN_20 0x04
+#define ES8316_SERDATA2_LEN_18 0x08
+#define ES8316_SERDATA2_LEN_16 0x0c
+#define ES8316_SERDATA2_LEN_32 0x10
+
+#endif
