From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre-Louis Bossart Subject: Re: [PATCH 1/2] ASoC: add es8316 codec driver Date: Wed, 10 May 2017 13:49:13 -0500 Message-ID: References: <20170510181649.14580-1-drake@endlessm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by alsa0.perex.cz (Postfix) with ESMTP id 24594266E50 for ; Wed, 10 May 2017 20:49:14 +0200 (CEST) In-Reply-To: <20170510181649.14580-1-drake@endlessm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Daniel Drake , lgirdwood@gmail.com, broonie@kernel.org Cc: alsa-devel@alsa-project.org, linux@endlessm.com, yangxiaohua@everest-semi.com List-Id: alsa-devel@alsa-project.org On 5/10/17 1:16 PM, Daniel Drake wrote: > Add a codec driver for the Everest ES8316, based on code provided by > David Yang from Everest Semi. > > I limited the functionality to items where the vendor code was clear, > and things that can be tested on the Weibu F3C (Intel Cherry Trail). > As a result the initial implementation only supports running in slave > mode at single speed (up to 48kHz sample rate) using I2S. HPD is not > supported. > > Signed-off-by: Daniel Drake > --- > sound/soc/codecs/Kconfig | 4 + > sound/soc/codecs/Makefile | 2 + > sound/soc/codecs/es8316.c | 639 ++++++++++++++++++++++++++++++++++++++++++++++ > sound/soc/codecs/es8316.h | 122 +++++++++ > 4 files changed, 767 insertions(+) > create mode 100644 sound/soc/codecs/es8316.c > create mode 100644 sound/soc/codecs/es8316.h > > diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig > index 883ed4c8a551..c6286e5ba511 100644 > --- a/sound/soc/codecs/Kconfig > +++ b/sound/soc/codecs/Kconfig > @@ -72,6 +72,7 @@ config SND_SOC_ALL_CODECS > select SND_SOC_DA9055 if I2C > select SND_SOC_DIO2125 > select SND_SOC_DMIC > + select SND_SOC_ES8316 if I2C > select SND_SOC_ES8328_SPI if SPI_MASTER > select SND_SOC_ES8328_I2C if I2C > select SND_SOC_ES7134 > @@ -543,6 +544,9 @@ config SND_SOC_HDMI_CODEC > config SND_SOC_ES7134 > tristate "Everest Semi ES7134 CODEC" > > +config SND_SOC_ES8316 > + tristate "Everest Semi ES8316 CODEC" > + > config SND_SOC_ES8328 > tristate > > diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile > index 28a63fdaf982..e878306ce46e 100644 > --- a/sound/soc/codecs/Makefile > +++ b/sound/soc/codecs/Makefile > @@ -65,6 +65,7 @@ snd-soc-da732x-objs := da732x.o > snd-soc-da9055-objs := da9055.o > snd-soc-dmic-objs := dmic.o > snd-soc-es7134-objs := es7134.o > +snd-soc-es8316-objs := es8316.o > snd-soc-es8328-objs := es8328.o > snd-soc-es8328-i2c-objs := es8328-i2c.o > snd-soc-es8328-spi-objs := es8328-spi.o > @@ -300,6 +301,7 @@ obj-$(CONFIG_SND_SOC_DA732X) += snd-soc-da732x.o > obj-$(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-$(CONFIG_SND_SOC_ES8316) += snd-soc-es8316.o > obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o > obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o > obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o > diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c > new file mode 100644 > index 000000000000..aea0b981891b > --- /dev/null > +++ b/sound/soc/codecs/es8316.c > @@ -0,0 +1,639 @@ > +/* > + * es8316.c -- es8316 ALSA SoC audio driver > + * Copyright Everest Semiconductor Co.,Ltd > + * > + * Authors: David Yang , If the copyright is held by Everest Semiconductor and David Yang is also from Everest Semiconductor, then a signoff from Everest looks very much required? > + * Daniel Drake > + * > + * 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 > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#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; Shouldn't this test that an integer ratio is possible instead of adding rates that result from a truncation operation? > + } > + > + 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 "); > +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 > + * > + * 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 >