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Commit fd94eeef authored by Harsha Priya's avatar Harsha Priya Committed by Mark Brown
Browse files

ASoC: sn95031: add capture support 



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: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarHarsha Priya <priya.harsha@intel.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 1166f985

sound/soc/codecs/sn95031.c

+281 −0
Original line number Diff line number Diff line
@@ -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)
@@ -145,6 +146,129 @@ static int sn95031_vihf_event(struct snd_soc_dapm_widget *w, 
	return 0;

}



static int sn95031_dmic12_event(struct snd_soc_dapm_widget *w,

			struct snd_kcontrol *k, int event)

{

	unsigned int ldo = 0, clk_dir = 0, data_dir = 0;



	if (SND_SOC_DAPM_EVENT_ON(event)) {

		ldo = BIT(5)|BIT(4);

		clk_dir = BIT(0);

		data_dir = BIT(7);

	}

	/* program DMIC LDO, clock and set clock */

	snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo);

	snd_soc_update_bits(w->codec, SN95031_DMICBUF0123, BIT(0), clk_dir);

	snd_soc_update_bits(w->codec, SN95031_DMICBUF0123, BIT(7), data_dir);

	return 0;

}



static int sn95031_dmic34_event(struct snd_soc_dapm_widget *w,

			struct snd_kcontrol *k, int event)

{

	unsigned int ldo = 0, clk_dir = 0, data_dir = 0;



	if (SND_SOC_DAPM_EVENT_ON(event)) {

		ldo = BIT(5)|BIT(4);

		clk_dir = BIT(2);

		data_dir = BIT(1);

	}

	/* program DMIC LDO, clock and set clock */

	snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo);

	snd_soc_update_bits(w->codec, SN95031_DMICBUF0123, BIT(2), clk_dir);

	snd_soc_update_bits(w->codec, SN95031_DMICBUF45, BIT(1), data_dir);

	return 0;

}



static int sn95031_dmic56_event(struct snd_soc_dapm_widget *w,

			struct snd_kcontrol *k, int event)

{

	unsigned int ldo = 0;



	if (SND_SOC_DAPM_EVENT_ON(event))

		ldo = BIT(7)|BIT(6);



	/* program DMIC LDO */

	snd_soc_update_bits(w->codec, SN95031_MICBIAS, BIT(7)|BIT(6), ldo);

	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 */



static const char *sn95031_micmode_text[] = {"Single Ended", "Differential"};



/* 0dB to 30dB in 10dB steps */

static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 10, 30);



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 +283,36 @@ static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = { 
	SND_SOC_DAPM_OUTPUT("VIB1OUT"),

	SND_SOC_DAPM_OUTPUT("VIB2OUT"),



	SND_SOC_DAPM_INPUT("AMIC1"), /* headset mic */

	SND_SOC_DAPM_INPUT("AMIC2"),

	SND_SOC_DAPM_INPUT("DMIC1"),

	SND_SOC_DAPM_INPUT("DMIC2"),

	SND_SOC_DAPM_INPUT("DMIC3"),

	SND_SOC_DAPM_INPUT("DMIC4"),

	SND_SOC_DAPM_INPUT("DMIC5"),

	SND_SOC_DAPM_INPUT("DMIC6"),

	SND_SOC_DAPM_INPUT("LINEINL"),

	SND_SOC_DAPM_INPUT("LINEINR"),



	SND_SOC_DAPM_MICBIAS("AMIC1Bias", SN95031_MICBIAS, 2, 0),

	SND_SOC_DAPM_MICBIAS("AMIC2Bias", SN95031_MICBIAS, 3, 0),

	SND_SOC_DAPM_MICBIAS("DMIC12Bias", SN95031_DMICMUX, 3, 0),

	SND_SOC_DAPM_MICBIAS("DMIC34Bias", SN95031_DMICMUX, 4, 0),

	SND_SOC_DAPM_MICBIAS("DMIC56Bias", SN95031_DMICMUX, 5, 0),



	SND_SOC_DAPM_SUPPLY("DMIC12supply", SN95031_DMICLK, 0, 0,

				sn95031_dmic12_event,

				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_SUPPLY("DMIC34supply", SN95031_DMICLK, 1, 0,

				sn95031_dmic34_event,

				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_SUPPLY("DMIC56supply", SN95031_DMICLK, 2, 0,

				sn95031_dmic56_event,

				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),



	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 +363,40 @@ 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_PGA("LineIn Enable Left", SN95031_MICAMP1,

				7, 0, NULL, 0),

	SND_SOC_DAPM_PGA("LineIn Enable Right", SN95031_MICAMP2,

				7, 0, NULL, 0),



	SND_SOC_DAPM_PGA("MIC1 Enable", SN95031_MICAMP1, 0, 0, NULL, 0),

	SND_SOC_DAPM_PGA("MIC2 Enable", SN95031_MICAMP2, 0, 0, NULL, 0),

	SND_SOC_DAPM_PGA("TX1 Enable", SN95031_AUDIOTXEN, 2, 0, NULL, 0),

	SND_SOC_DAPM_PGA("TX2 Enable", SN95031_AUDIOTXEN, 3, 0, NULL, 0),

	SND_SOC_DAPM_PGA("TX3 Enable", SN95031_AUDIOTXEN, 4, 0, NULL, 0),

	SND_SOC_DAPM_PGA("TX4 Enable", SN95031_AUDIOTXEN, 5, 0, NULL, 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 +438,87 @@ 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 */

	{ "AMIC1Bias", NULL, "AMIC1"},

	{ "MIC1 Enable", NULL, "AMIC1Bias"},

	{ "Mic_InputL Capture Route", "AMIC", "MIC1 Enable"},



	/* AMIC2 */

	{ "AMIC2Bias", NULL, "AMIC2"},

	{ "MIC2 Enable", NULL, "AMIC2Bias"},

	{ "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"},



	/*DMIC connections */

	{ "DMIC1", NULL, "DMIC12supply"},

	{ "DMIC2", NULL, "DMIC12supply"},

	{ "DMIC3", NULL, "DMIC34supply"},

	{ "DMIC4", NULL, "DMIC34supply"},

	{ "DMIC5", NULL, "DMIC56supply"},

	{ "DMIC6", NULL, "DMIC56supply"},



	{ "DMIC12Bias", NULL, "DMIC1"},

	{ "DMIC12Bias", NULL, "DMIC2"},

	{ "DMIC34Bias", NULL, "DMIC3"},

	{ "DMIC34Bias", NULL, "DMIC4"},

	{ "DMIC56Bias", NULL, "DMIC5"},

	{ "DMIC56Bias", NULL, "DMIC6"},



	/*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", NULL, "DMIC1"},

	{ "Txpath2 Capture Route", NULL, "DMIC1"},

	{ "Txpath3 Capture Route", NULL, "DMIC1"},

	{ "Txpath4 Capture Route", NULL, "DMIC1"},

	{ "Txpath1 Capture Route", NULL, "DMIC2"},

	{ "Txpath2 Capture Route", NULL, "DMIC2"},

	{ "Txpath3 Capture Route", NULL, "DMIC2"},

	{ "Txpath4 Capture Route", NULL, "DMIC2"},

	{ "Txpath1 Capture Route", NULL, "DMIC3"},

	{ "Txpath2 Capture Route", NULL, "DMIC3"},

	{ "Txpath3 Capture Route", NULL, "DMIC3"},

	{ "Txpath4 Capture Route", NULL, "DMIC3"},

	{ "Txpath1 Capture Route", NULL, "DMIC4"},

	{ "Txpath2 Capture Route", NULL, "DMIC4"},

	{ "Txpath3 Capture Route", NULL, "DMIC4"},

	{ "Txpath4 Capture Route", NULL, "DMIC4"},

	{ "Txpath1 Capture Route", NULL, "DMIC5"},

	{ "Txpath2 Capture Route", NULL, "DMIC5"},

	{ "Txpath3 Capture Route", NULL, "DMIC5"},

	{ "Txpath4 Capture Route", NULL, "DMIC5"},

	{ "Txpath1 Capture Route", NULL, "DMIC6"},

	{ "Txpath2 Capture Route", NULL, "DMIC6"},

	{ "Txpath3 Capture Route", NULL, "DMIC6"},

	{ "Txpath4 Capture Route", NULL, "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 +608,13 @@ 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 +666,8 @@ 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 +701,9 @@ 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)