From: Vinod Koul vinod.koul@intel.com

This patch adds the support for capture path in sn95031 codec. This codec supports upto 6DMICs, 2 AMICs and Linein. The linein and AMICs are connected through a MUX to ADC. The TX paths can be assigned to any of the ADCs or DMICs.

Signed-off-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Harsha Priya priya.harsha@intel.com --- sound/soc/codecs/sn95031.c | 292 +++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 291 insertions(+), 1 deletions(-)

diff --git a/sound/soc/codecs/sn95031.c b/sound/soc/codecs/sn95031.c index 593632c..5e8d091 100644 --- a/sound/soc/codecs/sn95031.c +++ b/sound/soc/codecs/sn95031.c @@ -33,6 +33,7 @@ #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> +#include <sound/tlv.h> #include "sn95031.h"

#define SN95031_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100) @@ -40,7 +41,6 @@

/* * todo: - * capture paths * jack detection * PM functions */ @@ -145,6 +145,167 @@ static int sn95031_vihf_event(struct snd_soc_dapm_widget *w, return 0; }

+static int amic1_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + unsigned int value = 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) { + pr_debug("AMIC1 SND_SOC_DAPM_EVENT_ON doing\n"); + value = BIT(2); + } + snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(2), value); + return 0; +} + +static int amic2_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + unsigned int value = 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) { + pr_debug("AMIC2 SND_SOC_DAPM_EVENT_ON doing\n"); + value = BIT(3); + } + snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(3), value); + return 0; +} + +static int dmic12_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + unsigned int ldo = 0, clk = 0, out = 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) { + pr_debug("DMIC12 SND_SOC_DAPM_EVENT_ON doing\n"); + ldo = BIT(5)|BIT(4); + clk = BIT(0); + out = BIT(3); + } + /* program DMIC LDO */ + snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo); + msleep(1); + /* enable/disable DMIC clock and o/p */ + snd_soc_update_bits(w->codec, SN95031_DMICLK, BIT(0), clk); + snd_soc_update_bits(w->codec, SN95031_DMICMUX, BIT(3), out); + return 0; +} + +static int dmic34_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + unsigned int ldo = 0, clk = 0, out = 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) { + pr_debug("DMIC34 SND_SOC_DAPM_EVENT_ON doing\n"); + ldo = BIT(5)|BIT(4); + clk = BIT(1); + out = BIT(4); + } + /* program DMIC LDO */ + snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo); + msleep(1); + /* enable/disable DMIC clock */ + snd_soc_update_bits(w->codec, SN95031_DMICLK, BIT(1), clk); + snd_soc_update_bits(w->codec, SN95031_DMICMUX, BIT(4), out); + return 0; +} + +static int dmic56_mic_bias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + unsigned int ldo = 0, clk = 0, out = 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) { + pr_debug("DMIC56 SND_SOC_DAPM_EVENT_ON doing\n"); + ldo = BIT(7)|BIT(6); + clk = BIT(2); + out = BIT(5); + } + /* program DMIC LDO */ + snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(7)|BIT(6), ldo); + msleep(1); + /* enable/disable DMIC clock */ + snd_soc_update_bits(w->codec, SN95031_DMICLK, BIT(2), clk); + snd_soc_update_bits(w->codec, SN95031_DMICMUX, BIT(5)|BIT(2), out); + return 0; +} +/* mux controls */ +static const char *sn95031_mic_texts[] = { "AMIC", "LineIn" }; + +static const struct soc_enum sn95031_micl_enum = + SOC_ENUM_SINGLE(SN95031_ADCCONFIG, 1, 2, sn95031_mic_texts); + +static const struct snd_kcontrol_new sn95031_micl_mux_control = + SOC_DAPM_ENUM("Route", sn95031_micl_enum); + +static const struct soc_enum sn95031_micr_enum = + SOC_ENUM_SINGLE(SN95031_ADCCONFIG, 3, 2, sn95031_mic_texts); + +static const struct snd_kcontrol_new sn95031_micr_mux_control = + SOC_DAPM_ENUM("Route", sn95031_micr_enum); + +static const char *sn95031_input_texts[] = { "DMIC1", "DMIC2", "DMIC3", + "DMIC4", "DMIC5", "DMIC6", + "ADC Left", "ADC Right" }; + +static const struct soc_enum sn95031_input1_enum = + SOC_ENUM_SINGLE(SN95031_AUDIOMUX12, 0, 8, sn95031_input_texts); + +static const struct snd_kcontrol_new sn95031_input1_mux_control = + SOC_DAPM_ENUM("Route", sn95031_input1_enum); + +static const struct soc_enum sn95031_input2_enum = + SOC_ENUM_SINGLE(SN95031_AUDIOMUX12, 4, 8, sn95031_input_texts); + +static const struct snd_kcontrol_new sn95031_input2_mux_control = + SOC_DAPM_ENUM("Route", sn95031_input2_enum); + +static const struct soc_enum sn95031_input3_enum = + SOC_ENUM_SINGLE(SN95031_AUDIOMUX34, 0, 8, sn95031_input_texts); + +static const struct snd_kcontrol_new sn95031_input3_mux_control = + SOC_DAPM_ENUM("Route", sn95031_input3_enum); + +static const struct soc_enum sn95031_input4_enum = + SOC_ENUM_SINGLE(SN95031_AUDIOMUX34, 4, 8, sn95031_input_texts); + +static const struct snd_kcontrol_new sn95031_input4_mux_control = + SOC_DAPM_ENUM("Route", sn95031_input4_enum); + +/* capture path controls */ + +/* 0dB to 30dB in 10dB steps */ +static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 10, 30); + +static const char *sn95031_micmode_text[] = {"Single Ended", "Differential"}; + +static const struct soc_enum sn95031_micmode1_enum = + SOC_ENUM_SINGLE(SN95031_MICAMP1, 1, 2, sn95031_micmode_text); +static const struct soc_enum sn95031_micmode2_enum = + SOC_ENUM_SINGLE(SN95031_MICAMP2, 1, 2, sn95031_micmode_text); + +static const char *sn95031_dmic_cfg_text[] = {"GPO", "DMIC"}; + +static const struct soc_enum sn95031_dmic12_cfg_enum = + SOC_ENUM_SINGLE(SN95031_DMICMUX, 0, 2, sn95031_dmic_cfg_text); +static const struct soc_enum sn95031_dmic34_cfg_enum = + SOC_ENUM_SINGLE(SN95031_DMICMUX, 1, 2, sn95031_dmic_cfg_text); +static const struct soc_enum sn95031_dmic56_cfg_enum = + SOC_ENUM_SINGLE(SN95031_DMICMUX, 2, 2, sn95031_dmic_cfg_text); + +static const struct snd_kcontrol_new sn95031_snd_controls[] = { + SOC_ENUM("Mic1Mode Capture Route", sn95031_micmode1_enum), + SOC_ENUM("Mic2Mode Capture Route", sn95031_micmode2_enum), + SOC_ENUM("DMIC12 Capture Route", sn95031_dmic12_cfg_enum), + SOC_ENUM("DMIC34 Capture Route", sn95031_dmic34_cfg_enum), + SOC_ENUM("DMIC56 Capture Route", sn95031_dmic56_cfg_enum), + SOC_SINGLE_TLV("Mic1 Capture Volume", SN95031_MICAMP1, + 2, 4, 0, mic_tlv), + SOC_SINGLE_TLV("Mic2 Capture Volume", SN95031_MICAMP2, + 2, 4, 0, mic_tlv), +}; + /* DAPM widgets */ static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = {

@@ -159,6 +320,20 @@ static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("VIB1OUT"), SND_SOC_DAPM_OUTPUT("VIB2OUT"),

+ SND_SOC_DAPM_MIC("AMIC1", amic1_mic_bias), /* headset mic */ + SND_SOC_DAPM_MIC("AMIC2", amic2_mic_bias), + SND_SOC_DAPM_MIC("DMIC1", dmic12_mic_bias), + SND_SOC_DAPM_MIC("DMIC2", dmic12_mic_bias), + SND_SOC_DAPM_MIC("DMIC3", dmic34_mic_bias), + SND_SOC_DAPM_MIC("DMIC4", dmic34_mic_bias), + SND_SOC_DAPM_MIC("DMIC5", dmic56_mic_bias), + SND_SOC_DAPM_MIC("DMIC6", dmic56_mic_bias), + SND_SOC_DAPM_INPUT("LINEINL"), + SND_SOC_DAPM_INPUT("LINEINR"), + + SND_SOC_DAPM_AIF_OUT("PCM_Out", "Capture", 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SUPPLY("Headset Rail", SND_SOC_NOPM, 0, 0, sn95031_vhs_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), @@ -209,6 +384,46 @@ static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = { SN95031_VIB1C5, 1, 0), SND_SOC_DAPM_DAC("Vibra2 DAC", "Vibra2", SN95031_VIB2C5, 1, 0), + + /* capture widgets */ + SND_SOC_DAPM_REG(snd_soc_dapm_switch, "LineIn Enable Left", + SN95031_MICAMP1, 7, 1, 1, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_switch, "LineIn Enable Right", + SN95031_MICAMP2, 7, 1, 1, 0), + + SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "MIC1 Enable", SN95031_MICAMP1, + 0, 1, 1, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "MIC2 Enable", SN95031_MICAMP2, + 0, 1, 1, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_switch, "TX1 Enable", SN95031_AUDIOTXEN, + 2, 1, 1, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_switch, "TX2 Enable", SN95031_AUDIOTXEN, + 3, 1, 1, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_switch, "TX3 Enable", SN95031_AUDIOTXEN, + 4, 1, 1, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_switch, "TX4 Enable", SN95031_AUDIOTXEN, + 5, 1, 1, 0), + + /* ADC have null stream as they will be turned ON by TX path */ + SND_SOC_DAPM_ADC("ADC Left", NULL, + SN95031_ADCCONFIG, 0, 0), + SND_SOC_DAPM_ADC("ADC Right", NULL, + SN95031_ADCCONFIG, 2, 0), + + SND_SOC_DAPM_MUX("Mic_InputL Capture Route", + SND_SOC_NOPM, 0, 0, &sn95031_micl_mux_control), + SND_SOC_DAPM_MUX("Mic_InputR Capture Route", + SND_SOC_NOPM, 0, 0, &sn95031_micr_mux_control), + + SND_SOC_DAPM_MUX("Txpath1 Capture Route", + SND_SOC_NOPM, 0, 0, &sn95031_input1_mux_control), + SND_SOC_DAPM_MUX("Txpath2 Capture Route", + SND_SOC_NOPM, 0, 0, &sn95031_input2_mux_control), + SND_SOC_DAPM_MUX("Txpath3 Capture Route", + SND_SOC_NOPM, 0, 0, &sn95031_input3_mux_control), + SND_SOC_DAPM_MUX("Txpath4 Capture Route", + SND_SOC_NOPM, 0, 0, &sn95031_input4_mux_control), + };

static const struct snd_soc_dapm_route sn95031_audio_map[] = { @@ -250,6 +465,69 @@ static const struct snd_soc_dapm_route sn95031_audio_map[] = { { "Lineout Right Playback", NULL, "Headset Right Filter"}, { "Lineout Right Playback", NULL, "Speaker Right Filter"}, { "Lineout Right Playback", NULL, "Vibra2 DAC"}, + + /* Headset (AMIC1) mic */ + { "MIC1 Enable", NULL, "AMIC1"}, + { "Mic_InputL Capture Route", "AMIC", "MIC1 Enable"}, + + /* AMIC2 */ + { "MIC2 Enable", NULL, "AMIC2"}, + { "Mic_InputR Capture Route", "AMIC", "MIC2 Enable"}, + + + /* Linein */ + { "LineIn Enable Left", NULL, "LINEINL"}, + { "LineIn Enable Right", NULL, "LINEINR"}, + { "Mic_InputL Capture Route", "LineIn", "LineIn Enable Left"}, + { "Mic_InputR Capture Route", "LineIn", "LineIn Enable Right"}, + + /* ADC connection */ + { "ADC Left", NULL, "Mic_InputL Capture Route"}, + { "ADC Right", NULL, "Mic_InputR Capture Route"}, + + /*TX path inputs*/ + { "Txpath1 Capture Route", "ADC Left", "ADC Left"}, + { "Txpath2 Capture Route", "ADC Left", "ADC Left"}, + { "Txpath3 Capture Route", "ADC Left", "ADC Left"}, + { "Txpath4 Capture Route", "ADC Left", "ADC Left"}, + { "Txpath1 Capture Route", "ADC Right", "ADC Right"}, + { "Txpath2 Capture Route", "ADC Right", "ADC Right"}, + { "Txpath3 Capture Route", "ADC Right", "ADC Right"}, + { "Txpath4 Capture Route", "ADC Right", "ADC Right"}, + { "Txpath1 Capture Route", "DMIC1", "DMIC1"}, + { "Txpath2 Capture Route", "DMIC1", "DMIC1"}, + { "Txpath3 Capture Route", "DMIC1", "DMIC1"}, + { "Txpath4 Capture Route", "DMIC1", "DMIC1"}, + { "Txpath1 Capture Route", "DMIC2", "DMIC2"}, + { "Txpath2 Capture Route", "DMIC2", "DMIC2"}, + { "Txpath3 Capture Route", "DMIC2", "DMIC2"}, + { "Txpath4 Capture Route", "DMIC2", "DMIC2"}, + { "Txpath1 Capture Route", "DMIC3", "DMIC3"}, + { "Txpath2 Capture Route", "DMIC3", "DMIC3"}, + { "Txpath3 Capture Route", "DMIC3", "DMIC3"}, + { "Txpath4 Capture Route", "DMIC3", "DMIC3"}, + { "Txpath1 Capture Route", "DMIC4", "DMIC4"}, + { "Txpath2 Capture Route", "DMIC4", "DMIC4"}, + { "Txpath3 Capture Route", "DMIC4", "DMIC4"}, + { "Txpath4 Capture Route", "DMIC4", "DMIC4"}, + { "Txpath1 Capture Route", "DMIC5", "DMIC5"}, + { "Txpath2 Capture Route", "DMIC5", "DMIC5"}, + { "Txpath3 Capture Route", "DMIC5", "DMIC5"}, + { "Txpath4 Capture Route", "DMIC5", "DMIC5"}, + { "Txpath1 Capture Route", "DMIC6", "DMIC6"}, + { "Txpath2 Capture Route", "DMIC6", "DMIC6"}, + { "Txpath3 Capture Route", "DMIC6", "DMIC6"}, + { "Txpath4 Capture Route", "DMIC6", "DMIC6"}, + + /* tx path */ + { "TX1 Enable", NULL, "Txpath1 Capture Route"}, + { "TX2 Enable", NULL, "Txpath2 Capture Route"}, + { "TX3 Enable", NULL, "Txpath3 Capture Route"}, + { "TX4 Enable", NULL, "Txpath4 Capture Route"}, + { "PCM_Out", NULL, "TX1 Enable"}, + { "PCM_Out", NULL, "TX2 Enable"}, + { "PCM_Out", NULL, "TX3 Enable"}, + { "PCM_Out", NULL, "TX4 Enable"}, };

/* speaker and headset mutes, for audio pops and clicks */ @@ -339,6 +617,13 @@ struct snd_soc_dai_driver sn95031_dais[] = { .rates = SN95031_RATES, .formats = SN95031_FORMATS, }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 5, + .rates = SN95031_RATES, + .formats = SN95031_FORMATS, + }, .ops = &sn95031_headset_dai_ops, }, { .name = "SN95031 Speaker", @@ -390,6 +675,8 @@ static int sn95031_codec_probe(struct snd_soc_codec *codec) snd_soc_write(codec, SN95031_PCM2RXSLOT01, 0x10); snd_soc_write(codec, SN95031_PCM2RXSLOT23, 0x32); snd_soc_write(codec, SN95031_PCM2RXSLOT45, 0x54); + snd_soc_write(codec, SN95031_PCM2TXSLOT01, 0x10); + snd_soc_write(codec, SN95031_PCM2TXSLOT23, 0x32); /* pcm port setting * This sets the pcm port to slave and clock at 19.2Mhz which * can support 6slots, sampling rate set per stream in hw-params @@ -423,6 +710,9 @@ static int sn95031_codec_probe(struct snd_soc_codec *codec) snd_soc_write(codec, SN95031_SSR2, 0x10); snd_soc_write(codec, SN95031_SSR3, 0x40);

+ snd_soc_add_controls(codec, sn95031_snd_controls, + ARRAY_SIZE(sn95031_snd_controls)); + ret = snd_soc_dapm_new_controls(&codec->dapm, sn95031_dapm_widgets, ARRAY_SIZE(sn95031_dapm_widgets)); if (ret)