cregit-Linux how code gets into the kernel

Release 4.7 sound/soc/codecs/adau1761.c

Directory: sound/soc/codecs
/*
 * Driver for ADAU1361/ADAU1461/ADAU1761/ADAU1961 codec
 *
 * Copyright 2011-2013 Analog Devices Inc.
 * Author: Lars-Peter Clausen <lars@metafoo.de>
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <linux/platform_data/adau17x1.h>

#include "adau17x1.h"
#include "adau1761.h"


#define ADAU1761_DIGMIC_JACKDETECT	0x4008

#define ADAU1761_REC_MIXER_LEFT0	0x400a

#define ADAU1761_REC_MIXER_LEFT1	0x400b

#define ADAU1761_REC_MIXER_RIGHT0	0x400c

#define ADAU1761_REC_MIXER_RIGHT1	0x400d

#define ADAU1761_LEFT_DIFF_INPUT_VOL	0x400e

#define ADAU1761_RIGHT_DIFF_INPUT_VOL	0x400f

#define ADAU1761_PLAY_LR_MIXER_LEFT	0x4020

#define ADAU1761_PLAY_MIXER_LEFT0	0x401c

#define ADAU1761_PLAY_MIXER_LEFT1	0x401d

#define ADAU1761_PLAY_MIXER_RIGHT0	0x401e

#define ADAU1761_PLAY_MIXER_RIGHT1	0x401f

#define ADAU1761_PLAY_LR_MIXER_RIGHT	0x4021

#define ADAU1761_PLAY_MIXER_MONO	0x4022

#define ADAU1761_PLAY_HP_LEFT_VOL	0x4023

#define ADAU1761_PLAY_HP_RIGHT_VOL	0x4024

#define ADAU1761_PLAY_LINE_LEFT_VOL	0x4025

#define ADAU1761_PLAY_LINE_RIGHT_VOL	0x4026

#define ADAU1761_PLAY_MONO_OUTPUT_VOL	0x4027

#define ADAU1761_POP_CLICK_SUPPRESS	0x4028

#define ADAU1761_JACK_DETECT_PIN	0x4031

#define ADAU1761_DEJITTER		0x4036

#define ADAU1761_CLK_ENABLE0		0x40f9

#define ADAU1761_CLK_ENABLE1		0x40fa


#define ADAU1761_DIGMIC_JACKDETECT_ACTIVE_LOW	BIT(0)

#define ADAU1761_DIGMIC_JACKDETECT_DIGMIC	BIT(5)


#define ADAU1761_DIFF_INPUT_VOL_LDEN		BIT(0)


#define ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP	BIT(0)

#define ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE	BIT(1)


#define ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP	BIT(0)


#define ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP	BIT(0)


#define ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP	BIT(0)



#define ADAU1761_FIRMWARE "adau1761.bin"


static const struct reg_default adau1761_reg_defaults[] = {
	{ ADAU1761_DEJITTER,			0x03 },
	{ ADAU1761_DIGMIC_JACKDETECT,		0x00 },
	{ ADAU1761_REC_MIXER_LEFT0,		0x00 },
	{ ADAU1761_REC_MIXER_LEFT1,		0x00 },
	{ ADAU1761_REC_MIXER_RIGHT0,		0x00 },
	{ ADAU1761_REC_MIXER_RIGHT1,		0x00 },
	{ ADAU1761_LEFT_DIFF_INPUT_VOL,		0x00 },
	{ ADAU1761_RIGHT_DIFF_INPUT_VOL,	0x00 },
	{ ADAU1761_PLAY_LR_MIXER_LEFT,		0x00 },
	{ ADAU1761_PLAY_MIXER_LEFT0,		0x00 },
	{ ADAU1761_PLAY_MIXER_LEFT1,		0x00 },
	{ ADAU1761_PLAY_MIXER_RIGHT0,		0x00 },
	{ ADAU1761_PLAY_MIXER_RIGHT1,		0x00 },
	{ ADAU1761_PLAY_LR_MIXER_RIGHT,		0x00 },
	{ ADAU1761_PLAY_MIXER_MONO,		0x00 },
	{ ADAU1761_PLAY_HP_LEFT_VOL,		0x00 },
	{ ADAU1761_PLAY_HP_RIGHT_VOL,		0x00 },
	{ ADAU1761_PLAY_LINE_LEFT_VOL,		0x00 },
	{ ADAU1761_PLAY_LINE_RIGHT_VOL,		0x00 },
	{ ADAU1761_PLAY_MONO_OUTPUT_VOL,	0x00 },
	{ ADAU1761_POP_CLICK_SUPPRESS,		0x00 },
	{ ADAU1761_JACK_DETECT_PIN,		0x00 },
	{ ADAU1761_CLK_ENABLE0,			0x00 },
	{ ADAU1761_CLK_ENABLE1,			0x00 },
	{ ADAU17X1_CLOCK_CONTROL,		0x00 },
	{ ADAU17X1_PLL_CONTROL,			0x00 },
	{ ADAU17X1_REC_POWER_MGMT,		0x00 },
	{ ADAU17X1_MICBIAS,			0x00 },
	{ ADAU17X1_SERIAL_PORT0,		0x00 },
	{ ADAU17X1_SERIAL_PORT1,		0x00 },
	{ ADAU17X1_CONVERTER0,			0x00 },
	{ ADAU17X1_CONVERTER1,			0x00 },
	{ ADAU17X1_LEFT_INPUT_DIGITAL_VOL,	0x00 },
	{ ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,	0x00 },
	{ ADAU17X1_ADC_CONTROL,			0x00 },
	{ ADAU17X1_PLAY_POWER_MGMT,		0x00 },
	{ ADAU17X1_DAC_CONTROL0,		0x00 },
	{ ADAU17X1_DAC_CONTROL1,		0x00 },
	{ ADAU17X1_DAC_CONTROL2,		0x00 },
	{ ADAU17X1_SERIAL_PORT_PAD,		0xaa },
	{ ADAU17X1_CONTROL_PORT_PAD0,		0xaa },
	{ ADAU17X1_CONTROL_PORT_PAD1,		0x00 },
	{ ADAU17X1_DSP_SAMPLING_RATE,		0x01 },
	{ ADAU17X1_SERIAL_INPUT_ROUTE,		0x00 },
	{ ADAU17X1_SERIAL_OUTPUT_ROUTE,		0x00 },
	{ ADAU17X1_DSP_ENABLE,			0x00 },
	{ ADAU17X1_DSP_RUN,			0x00 },
	{ ADAU17X1_SERIAL_SAMPLING_RATE,	0x00 },
};

static const DECLARE_TLV_DB_SCALE(adau1761_sing_in_tlv, -1500, 300, 1);
static const DECLARE_TLV_DB_SCALE(adau1761_diff_in_tlv, -1200, 75, 0);
static const DECLARE_TLV_DB_SCALE(adau1761_out_tlv, -5700, 100, 0);
static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1);
static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);
static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);


static const unsigned int adau1761_bias_select_values[] = {
	0, 2, 3,
};


static const char * const adau1761_bias_select_text[] = {
	"Normal operation", "Enhanced performance", "Power saving",
};


static const char * const adau1761_bias_select_extreme_text[] = {
	"Normal operation", "Extreme power saving", "Enhanced performance",
	"Power saving",
};

static SOC_ENUM_SINGLE_DECL(adau1761_adc_bias_enum,
		ADAU17X1_REC_POWER_MGMT, 3, adau1761_bias_select_extreme_text);
static SOC_ENUM_SINGLE_DECL(adau1761_hp_bias_enum,
		ADAU17X1_PLAY_POWER_MGMT, 6, adau1761_bias_select_extreme_text);
static SOC_ENUM_SINGLE_DECL(adau1761_dac_bias_enum,
		ADAU17X1_PLAY_POWER_MGMT, 4, adau1761_bias_select_extreme_text);
static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_playback_bias_enum,
		ADAU17X1_PLAY_POWER_MGMT, 2, 0x3, adau1761_bias_select_text,
		adau1761_bias_select_values);
static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_capture_bias_enum,
		ADAU17X1_REC_POWER_MGMT, 1, 0x3, adau1761_bias_select_text,
		adau1761_bias_select_values);


static const struct snd_kcontrol_new adau1761_jack_detect_controls[] = {
	SOC_SINGLE("Speaker Auto-mute Switch", ADAU1761_DIGMIC_JACKDETECT,
		4, 1, 0),
};


static const struct snd_kcontrol_new adau1761_differential_mode_controls[] = {
	SOC_DOUBLE_R_TLV("Capture Volume", ADAU1761_LEFT_DIFF_INPUT_VOL,
		ADAU1761_RIGHT_DIFF_INPUT_VOL, 2, 0x3f, 0,
		adau1761_diff_in_tlv),
	SOC_DOUBLE_R("Capture Switch", ADAU1761_LEFT_DIFF_INPUT_VOL,
		ADAU1761_RIGHT_DIFF_INPUT_VOL, 1, 1, 0),

	SOC_DOUBLE_R_TLV("PGA Boost Capture Volume", ADAU1761_REC_MIXER_LEFT1,
		ADAU1761_REC_MIXER_RIGHT1, 3, 2, 0, adau1761_pga_boost_tlv),
};


static const struct snd_kcontrol_new adau1761_single_mode_controls[] = {
	SOC_SINGLE_TLV("Input 1 Capture Volume", ADAU1761_REC_MIXER_LEFT0,
		4, 7, 0, adau1761_sing_in_tlv),
	SOC_SINGLE_TLV("Input 2 Capture Volume", ADAU1761_REC_MIXER_LEFT0,
		1, 7, 0, adau1761_sing_in_tlv),
	SOC_SINGLE_TLV("Input 3 Capture Volume", ADAU1761_REC_MIXER_RIGHT0,
		4, 7, 0, adau1761_sing_in_tlv),
	SOC_SINGLE_TLV("Input 4 Capture Volume", ADAU1761_REC_MIXER_RIGHT0,
		1, 7, 0, adau1761_sing_in_tlv),
};


static const struct snd_kcontrol_new adau1761_controls[] = {
	SOC_DOUBLE_R_TLV("Aux Capture Volume", ADAU1761_REC_MIXER_LEFT1,
		ADAU1761_REC_MIXER_RIGHT1, 0, 7, 0, adau1761_sing_in_tlv),

	SOC_DOUBLE_R_TLV("Headphone Playback Volume", ADAU1761_PLAY_HP_LEFT_VOL,
		ADAU1761_PLAY_HP_RIGHT_VOL, 2, 0x3f, 0, adau1761_out_tlv),
	SOC_DOUBLE_R("Headphone Playback Switch", ADAU1761_PLAY_HP_LEFT_VOL,
		ADAU1761_PLAY_HP_RIGHT_VOL, 1, 1, 0),
	SOC_DOUBLE_R_TLV("Lineout Playback Volume", ADAU1761_PLAY_LINE_LEFT_VOL,
		ADAU1761_PLAY_LINE_RIGHT_VOL, 2, 0x3f, 0, adau1761_out_tlv),
	SOC_DOUBLE_R("Lineout Playback Switch", ADAU1761_PLAY_LINE_LEFT_VOL,
		ADAU1761_PLAY_LINE_RIGHT_VOL, 1, 1, 0),

	SOC_ENUM("ADC Bias", adau1761_adc_bias_enum),
	SOC_ENUM("DAC Bias", adau1761_dac_bias_enum),
	SOC_ENUM("Capture Bias", adau1761_capture_bias_enum),
	SOC_ENUM("Playback Bias", adau1761_playback_bias_enum),
	SOC_ENUM("Headphone Bias", adau1761_hp_bias_enum),
};


static const struct snd_kcontrol_new adau1761_mono_controls[] = {
	SOC_SINGLE_TLV("Mono Playback Volume", ADAU1761_PLAY_MONO_OUTPUT_VOL,
		2, 0x3f, 0, adau1761_out_tlv),
	SOC_SINGLE("Mono Playback Switch", ADAU1761_PLAY_MONO_OUTPUT_VOL,
		1, 1, 0),
};


static const struct snd_kcontrol_new adau1761_left_mixer_controls[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("Left DAC Switch",
		ADAU1761_PLAY_MIXER_LEFT0, 5, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("Right DAC Switch",
		ADAU1761_PLAY_MIXER_LEFT0, 6, 1, 0),
	SOC_DAPM_SINGLE_TLV("Aux Bypass Volume",
		ADAU1761_PLAY_MIXER_LEFT0, 1, 8, 0, adau1761_sidetone_tlv),
	SOC_DAPM_SINGLE_TLV("Right Bypass Volume",
		ADAU1761_PLAY_MIXER_LEFT1, 4, 8, 0, adau1761_sidetone_tlv),
	SOC_DAPM_SINGLE_TLV("Left Bypass Volume",
		ADAU1761_PLAY_MIXER_LEFT1, 0, 8, 0, adau1761_sidetone_tlv),
};


static const struct snd_kcontrol_new adau1761_right_mixer_controls[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("Left DAC Switch",
		ADAU1761_PLAY_MIXER_RIGHT0, 5, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("Right DAC Switch",
		ADAU1761_PLAY_MIXER_RIGHT0, 6, 1, 0),
	SOC_DAPM_SINGLE_TLV("Aux Bypass Volume",
		ADAU1761_PLAY_MIXER_RIGHT0, 1, 8, 0, adau1761_sidetone_tlv),
	SOC_DAPM_SINGLE_TLV("Right Bypass Volume",
		ADAU1761_PLAY_MIXER_RIGHT1, 4, 8, 0, adau1761_sidetone_tlv),
	SOC_DAPM_SINGLE_TLV("Left Bypass Volume",
		ADAU1761_PLAY_MIXER_RIGHT1, 0, 8, 0, adau1761_sidetone_tlv),
};


static const struct snd_kcontrol_new adau1761_left_lr_mixer_controls[] = {
	SOC_DAPM_SINGLE_TLV("Left Volume",
		ADAU1761_PLAY_LR_MIXER_LEFT, 1, 2, 0, adau1761_boost_tlv),
	SOC_DAPM_SINGLE_TLV("Right Volume",
		ADAU1761_PLAY_LR_MIXER_LEFT, 3, 2, 0, adau1761_boost_tlv),
};


static const struct snd_kcontrol_new adau1761_right_lr_mixer_controls[] = {
	SOC_DAPM_SINGLE_TLV("Left Volume",
		ADAU1761_PLAY_LR_MIXER_RIGHT, 1, 2, 0, adau1761_boost_tlv),
	SOC_DAPM_SINGLE_TLV("Right Volume",
		ADAU1761_PLAY_LR_MIXER_RIGHT, 3, 2, 0, adau1761_boost_tlv),
};


static const char * const adau1761_input_mux_text[] = {
	"ADC", "DMIC",
};

static SOC_ENUM_SINGLE_DECL(adau1761_input_mux_enum,
	ADAU17X1_ADC_CONTROL, 2, adau1761_input_mux_text);


static const struct snd_kcontrol_new adau1761_input_mux_control =
	SOC_DAPM_ENUM("Input Select", adau1761_input_mux_enum);


static int adau1761_dejitter_fixup(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); struct adau *adau = snd_soc_codec_get_drvdata(codec); /* After any power changes have been made the dejitter circuit * has to be reinitialized. */ regmap_write(adau->regmap, ADAU1761_DEJITTER, 0); if (!adau->master) regmap_write(adau->regmap, ADAU1761_DEJITTER, 3); return 0; }

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static const struct snd_soc_dapm_widget adau1x61_dapm_widgets[] = { SND_SOC_DAPM_MIXER("Left Input Mixer", ADAU1761_REC_MIXER_LEFT0, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("Right Input Mixer", ADAU1761_REC_MIXER_RIGHT0, 0, 0, NULL, 0), SOC_MIXER_ARRAY("Left Playback Mixer", ADAU1761_PLAY_MIXER_LEFT0, 0, 0, adau1761_left_mixer_controls), SOC_MIXER_ARRAY("Right Playback Mixer", ADAU1761_PLAY_MIXER_RIGHT0, 0, 0, adau1761_right_mixer_controls), SOC_MIXER_ARRAY("Left LR Playback Mixer", ADAU1761_PLAY_LR_MIXER_LEFT, 0, 0, adau1761_left_lr_mixer_controls), SOC_MIXER_ARRAY("Right LR Playback Mixer", ADAU1761_PLAY_LR_MIXER_RIGHT, 0, 0, adau1761_right_lr_mixer_controls), SND_SOC_DAPM_SUPPLY("Headphone", ADAU1761_PLAY_HP_LEFT_VOL, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("SYSCLK", 2, SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_POST("Dejitter fixup", adau1761_dejitter_fixup), SND_SOC_DAPM_INPUT("LAUX"), SND_SOC_DAPM_INPUT("RAUX"), SND_SOC_DAPM_INPUT("LINP"), SND_SOC_DAPM_INPUT("LINN"), SND_SOC_DAPM_INPUT("RINP"), SND_SOC_DAPM_INPUT("RINN"), SND_SOC_DAPM_OUTPUT("LOUT"), SND_SOC_DAPM_OUTPUT("ROUT"), SND_SOC_DAPM_OUTPUT("LHP"), SND_SOC_DAPM_OUTPUT("RHP"), }; static const struct snd_soc_dapm_widget adau1761_mono_dapm_widgets[] = { SND_SOC_DAPM_MIXER("Mono Playback Mixer", ADAU1761_PLAY_MIXER_MONO, 0, 0, NULL, 0), SND_SOC_DAPM_OUTPUT("MONOOUT"), }; static const struct snd_soc_dapm_widget adau1761_capless_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY_S("Headphone VGND", 1, ADAU1761_PLAY_MIXER_MONO, 0, 0, NULL, 0), }; static const struct snd_soc_dapm_route adau1x61_dapm_routes[] = { { "Left Input Mixer", NULL, "LINP" }, { "Left Input Mixer", NULL, "LINN" }, { "Left Input Mixer", NULL, "LAUX" }, { "Right Input Mixer", NULL, "RINP" }, { "Right Input Mixer", NULL, "RINN" }, { "Right Input Mixer", NULL, "RAUX" }, { "Left Playback Mixer", NULL, "Left Playback Enable"}, { "Right Playback Mixer", NULL, "Right Playback Enable"}, { "Left LR Playback Mixer", NULL, "Left Playback Enable"}, { "Right LR Playback Mixer", NULL, "Right Playback Enable"}, { "Left Playback Mixer", "Left DAC Switch", "Left DAC" }, { "Left Playback Mixer", "Right DAC Switch", "Right DAC" }, { "Right Playback Mixer", "Left DAC Switch", "Left DAC" }, { "Right Playback Mixer", "Right DAC Switch", "Right DAC" }, { "Left LR Playback Mixer", "Left Volume", "Left Playback Mixer" }, { "Left LR Playback Mixer", "Right Volume", "Right Playback Mixer" }, { "Right LR Playback Mixer", "Left Volume", "Left Playback Mixer" }, { "Right LR Playback Mixer", "Right Volume", "Right Playback Mixer" }, { "LHP", NULL, "Left Playback Mixer" }, { "RHP", NULL, "Right Playback Mixer" }, { "LHP", NULL, "Headphone" }, { "RHP", NULL, "Headphone" }, { "LOUT", NULL, "Left LR Playback Mixer" }, { "ROUT", NULL, "Right LR Playback Mixer" }, { "Left Playback Mixer", "Aux Bypass Volume", "LAUX" }, { "Left Playback Mixer", "Left Bypass Volume", "Left Input Mixer" }, { "Left Playback Mixer", "Right Bypass Volume", "Right Input Mixer" }, { "Right Playback Mixer", "Aux Bypass Volume", "RAUX" }, { "Right Playback Mixer", "Left Bypass Volume", "Left Input Mixer" }, { "Right Playback Mixer", "Right Bypass Volume", "Right Input Mixer" }, }; static const struct snd_soc_dapm_route adau1761_mono_dapm_routes[] = { { "Mono Playback Mixer", NULL, "Left Playback Mixer" }, { "Mono Playback Mixer", NULL, "Right Playback Mixer" }, { "MONOOUT", NULL, "Mono Playback Mixer" }, }; static const struct snd_soc_dapm_route adau1761_capless_dapm_routes[] = { { "Headphone", NULL, "Headphone VGND" }, }; static const struct snd_soc_dapm_widget adau1761_dmic_widgets[] = { SND_SOC_DAPM_MUX("Left Decimator Mux", SND_SOC_NOPM, 0, 0, &adau1761_input_mux_control), SND_SOC_DAPM_MUX("Right Decimator Mux", SND_SOC_NOPM, 0, 0, &adau1761_input_mux_control), SND_SOC_DAPM_INPUT("DMIC"), }; static const struct snd_soc_dapm_route adau1761_dmic_routes[] = { { "Left Decimator Mux", "ADC", "Left Input Mixer" }, { "Left Decimator Mux", "DMIC", "DMIC" }, { "Right Decimator Mux", "ADC", "Right Input Mixer" }, { "Right Decimator Mux", "DMIC", "DMIC" }, { "Left Decimator", NULL, "Left Decimator Mux" }, { "Right Decimator", NULL, "Right Decimator Mux" }, }; static const struct snd_soc_dapm_route adau1761_no_dmic_routes[] = { { "Left Decimator", NULL, "Left Input Mixer" }, { "Right Decimator", NULL, "Right Input Mixer" }, }; static const struct snd_soc_dapm_widget adau1761_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("Serial Port Clock", ADAU1761_CLK_ENABLE0, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Serial Input Routing Clock", ADAU1761_CLK_ENABLE0, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Serial Output Routing Clock", ADAU1761_CLK_ENABLE0, 3, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Decimator Resync Clock", ADAU1761_CLK_ENABLE0, 4, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Interpolator Resync Clock", ADAU1761_CLK_ENABLE0, 2, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Slew Clock", ADAU1761_CLK_ENABLE0, 6, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ALC Clock", ADAU1761_CLK_ENABLE0, 5, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("Digital Clock 0", 1, ADAU1761_CLK_ENABLE1, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("Digital Clock 1", 1, ADAU1761_CLK_ENABLE1, 1, 0, NULL, 0), }; static const struct snd_soc_dapm_route adau1761_dapm_routes[] = { { "Left Decimator", NULL, "Digital Clock 0", }, { "Right Decimator", NULL, "Digital Clock 0", }, { "Left DAC", NULL, "Digital Clock 0", }, { "Right DAC", NULL, "Digital Clock 0", }, { "AIFCLK", NULL, "Digital Clock 1" }, { "Playback", NULL, "Serial Port Clock" }, { "Capture", NULL, "Serial Port Clock" }, { "Playback", NULL, "Serial Input Routing Clock" }, { "Capture", NULL, "Serial Output Routing Clock" }, { "Left Decimator", NULL, "Decimator Resync Clock" }, { "Right Decimator", NULL, "Decimator Resync Clock" }, { "Left DAC", NULL, "Interpolator Resync Clock" }, { "Right DAC", NULL, "Interpolator Resync Clock" }, { "DSP", NULL, "Digital Clock 0" }, { "Slew Clock", NULL, "Digital Clock 0" }, { "Right Playback Mixer", NULL, "Slew Clock" }, { "Left Playback Mixer", NULL, "Slew Clock" }, { "Left Input Mixer", NULL, "ALC Clock" }, { "Right Input Mixer", NULL, "ALC Clock" }, { "Digital Clock 0", NULL, "SYSCLK" }, { "Digital Clock 1", NULL, "SYSCLK" }, };
static int adau1761_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct adau *adau = snd_soc_codec_get_drvdata(codec); switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: regcache_cache_only(adau->regmap, false); regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, ADAU17X1_CLOCK_CONTROL_SYSCLK_EN); if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) regcache_sync(adau->regmap); break; case SND_SOC_BIAS_OFF: regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0); regcache_cache_only(adau->regmap, true); break; } return 0; }

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static enum adau1761_output_mode adau1761_get_lineout_mode( struct snd_soc_codec *codec) { struct adau1761_platform_data *pdata = codec->dev->platform_data; if (pdata) return pdata->lineout_mode; return ADAU1761_OUTPUT_MODE_LINE; }

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static int adau1761_setup_digmic_jackdetect(struct snd_soc_codec *codec) { struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); struct adau1761_platform_data *pdata = codec->dev->platform_data; struct adau *adau = snd_soc_codec_get_drvdata(codec); enum adau1761_digmic_jackdet_pin_mode mode; unsigned int val = 0; int ret; if (pdata) mode = pdata->digmic_jackdetect_pin_mode; else mode = ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE; switch (mode) { case ADAU1761_DIGMIC_JACKDET_PIN_MODE_JACKDETECT: switch (pdata->jackdetect_debounce_time) { case ADAU1761_JACKDETECT_DEBOUNCE_5MS: case ADAU1761_JACKDETECT_DEBOUNCE_10MS: case ADAU1761_JACKDETECT_DEBOUNCE_20MS: case ADAU1761_JACKDETECT_DEBOUNCE_40MS: val |= pdata->jackdetect_debounce_time << 6; break; default: return -EINVAL; } if (pdata->jackdetect_active_low) val |= ADAU1761_DIGMIC_JACKDETECT_ACTIVE_LOW; ret = snd_soc_add_codec_controls(codec, adau1761_jack_detect_controls, ARRAY_SIZE(adau1761_jack_detect_controls)); if (ret) return ret; case ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE: /* fallthrough */ ret = snd_soc_dapm_add_routes(dapm, adau1761_no_dmic_routes, ARRAY_SIZE(adau1761_no_dmic_routes)); if (ret) return ret; break; case ADAU1761_DIGMIC_JACKDET_PIN_MODE_DIGMIC: ret = snd_soc_dapm_new_controls(dapm, adau1761_dmic_widgets, ARRAY_SIZE(adau1761_dmic_widgets)); if (ret) return ret; ret = snd_soc_dapm_add_routes(dapm, adau1761_dmic_routes, ARRAY_SIZE(adau1761_dmic_routes)); if (ret) return ret; val |= ADAU1761_DIGMIC_JACKDETECT_DIGMIC; break; default: return -EINVAL; } regmap_write(adau->regmap, ADAU1761_DIGMIC_JACKDETECT, val); return 0; }

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static int adau1761_setup_headphone_mode(struct snd_soc_codec *codec) { struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); struct adau *adau = snd_soc_codec_get_drvdata(codec); struct adau1761_platform_data *pdata = codec->dev->platform_data; enum adau1761_output_mode mode; int ret; if (pdata) mode = pdata->headphone_mode; else mode = ADAU1761_OUTPUT_MODE_HEADPHONE; switch (mode) { case ADAU1761_OUTPUT_MODE_LINE: break; case ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS: regmap_update_bits(adau->regmap, ADAU1761_PLAY_MONO_OUTPUT_VOL, ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP | ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE, ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP | ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE); /* fallthrough */ case ADAU1761_OUTPUT_MODE_HEADPHONE: regmap_update_bits(adau->regmap, ADAU1761_PLAY_HP_RIGHT_VOL, ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP, ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP); break; default: return -EINVAL; } if (mode == ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS) { ret = snd_soc_dapm_new_controls(dapm, adau1761_capless_dapm_widgets, ARRAY_SIZE(adau1761_capless_dapm_widgets)); if (ret) return ret; ret = snd_soc_dapm_add_routes(dapm, adau1761_capless_dapm_routes, ARRAY_SIZE(adau1761_capless_dapm_routes)); } else { ret = snd_soc_add_codec_controls(codec, adau1761_mono_controls, ARRAY_SIZE(adau1761_mono_controls)); if (ret) return ret; ret = snd_soc_dapm_new_controls(dapm, adau1761_mono_dapm_widgets, ARRAY_SIZE(adau1761_mono_dapm_widgets)); if (ret) return ret; ret = snd_soc_dapm_add_routes(dapm, adau1761_mono_dapm_routes, ARRAY_SIZE(adau1761_mono_dapm_routes)); } return ret; }

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static bool adau1761_readable_register(struct device *dev, unsigned int reg) { switch (reg) { case ADAU1761_DIGMIC_JACKDETECT: case ADAU1761_REC_MIXER_LEFT0: case ADAU1761_REC_MIXER_LEFT1: case ADAU1761_REC_MIXER_RIGHT0: case ADAU1761_REC_MIXER_RIGHT1: case ADAU1761_LEFT_DIFF_INPUT_VOL: case ADAU1761_RIGHT_DIFF_INPUT_VOL: case ADAU1761_PLAY_LR_MIXER_LEFT: case ADAU1761_PLAY_MIXER_LEFT0: case ADAU1761_PLAY_MIXER_LEFT1: case ADAU1761_PLAY_MIXER_RIGHT0: case ADAU1761_PLAY_MIXER_RIGHT1: case ADAU1761_PLAY_LR_MIXER_RIGHT: case ADAU1761_PLAY_MIXER_MONO: case ADAU1761_PLAY_HP_LEFT_VOL: case ADAU1761_PLAY_HP_RIGHT_VOL: case ADAU1761_PLAY_LINE_LEFT_VOL: case ADAU1761_PLAY_LINE_RIGHT_VOL: case ADAU1761_PLAY_MONO_OUTPUT_VOL: case ADAU1761_POP_CLICK_SUPPRESS: case ADAU1761_JACK_DETECT_PIN: case ADAU1761_DEJITTER: case ADAU1761_CLK_ENABLE0: case ADAU1761_CLK_ENABLE1: return true; default: break; } return adau17x1_readable_register(dev, reg); }

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static int adau1761_codec_probe(struct snd_soc_codec *codec) { struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); struct adau1761_platform_data *pdata = codec->dev->platform_data; struct adau *adau = snd_soc_codec_get_drvdata(codec); int ret; ret = adau17x1_add_widgets(codec); if (ret < 0) return ret; if (pdata && pdata->input_differential) { regmap_update_bits(adau->regmap, ADAU1761_LEFT_DIFF_INPUT_VOL, ADAU1761_DIFF_INPUT_VOL_LDEN, ADAU1761_DIFF_INPUT_VOL_LDEN); regmap_update_bits(adau->regmap, ADAU1761_RIGHT_DIFF_INPUT_VOL, ADAU1761_DIFF_INPUT_VOL_LDEN, ADAU1761_DIFF_INPUT_VOL_LDEN); ret = snd_soc_add_codec_controls(codec, adau1761_differential_mode_controls, ARRAY_SIZE(adau1761_differential_mode_controls)); if (ret) return ret; } else { ret = snd_soc_add_codec_controls(codec, adau1761_single_mode_controls, ARRAY_SIZE(adau1761_single_mode_controls)); if (ret) return ret; } switch (adau1761_get_lineout_mode(codec)) { case ADAU1761_OUTPUT_MODE_LINE: break; case ADAU1761_OUTPUT_MODE_HEADPHONE: regmap_update_bits(adau->regmap, ADAU1761_PLAY_LINE_LEFT_VOL, ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP, ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP); regmap_update_bits(adau->regmap, ADAU1761_PLAY_LINE_RIGHT_VOL, ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP, ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP); break; default: return -EINVAL; } ret = adau1761_setup_headphone_mode(codec); if (ret) return ret; ret = adau1761_setup_digmic_jackdetect(codec); if (ret) return ret; if (adau->type == ADAU1761) { ret = snd_soc_dapm_new_controls(dapm, adau1761_dapm_widgets, ARRAY_SIZE(adau1761_dapm_widgets)); if (ret) return ret; ret = snd_soc_dapm_add_routes(dapm, adau1761_dapm_routes, ARRAY_SIZE(adau1761_dapm_routes)); if (ret) return ret; } ret = adau17x1_add_routes(codec); if (ret < 0) return ret; return 0; }

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static const struct snd_soc_codec_driver adau1761_codec_driver = { .probe = adau1761_codec_probe, .resume = adau17x1_resume, .set_bias_level = adau1761_set_bias_level, .suspend_bias_off = true, .controls = adau1761_controls, .num_controls = ARRAY_SIZE(adau1761_controls), .dapm_widgets = adau1x61_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(adau1x61_dapm_widgets), .dapm_routes = adau1x61_dapm_routes, .num_dapm_routes = ARRAY_SIZE(adau1x61_dapm_routes), }; #define ADAU1761_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE) static struct snd_soc_dai_driver adau1361_dai_driver = { .name = "adau-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 4, .rates = SNDRV_PCM_RATE_8000_96000, .formats = ADAU1761_FORMATS, }, .capture = { .stream_name = "Capture", .channels_min = 2, .channels_max = 4, .rates = SNDRV_PCM_RATE_8000_96000, .formats = ADAU1761_FORMATS, }, .ops = &adau17x1_dai_ops, }; static struct snd_soc_dai_driver adau1761_dai_driver = { .name = "adau-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_96000, .formats = ADAU1761_FORMATS, }, .capture = { .stream_name = "Capture", .channels_min = 2, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_96000, .formats = ADAU1761_FORMATS, }, .ops = &adau17x1_dai_ops, };
int adau1761_probe(struct device *dev, struct regmap *regmap, enum adau17x1_type type, void (*switch_mode)(struct device *dev)) { struct snd_soc_dai_driver *dai_drv; const char *firmware_name; int ret; if (type == ADAU1361) { dai_drv = &adau1361_dai_driver; firmware_name = NULL; } else { dai_drv = &adau1761_dai_driver; firmware_name = ADAU1761_FIRMWARE; } ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name); if (ret) return ret; /* Enable cache only mode as we could miss writes before bias level * reaches standby and the core clock is enabled */ regcache_cache_only(regmap, true); return snd_soc_register_codec(dev, &adau1761_codec_driver, dai_drv, 1); }

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EXPORT_SYMBOL_GPL(adau1761_probe); const struct regmap_config adau1761_regmap_config = { .val_bits = 8, .reg_bits = 16, .max_register = 0x40fa, .reg_defaults = adau1761_reg_defaults, .num_reg_defaults = ARRAY_SIZE(adau1761_reg_defaults), .readable_reg = adau1761_readable_register, .volatile_reg = adau17x1_volatile_register, .precious_reg = adau17x1_precious_register, .cache_type = REGCACHE_RBTREE, }; EXPORT_SYMBOL_GPL(adau1761_regmap_config); MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC driver"); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_LICENSE("GPL");

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Directory: sound/soc/codecs
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{% endraw %}