adau1761.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Driver for ADAU1361/ADAU1461/ADAU1761/ADAU1961 codec
 *
 * Copyright 2011-2013 Analog Devices Inc.
 * Author: Lars-Peter Clausen <[email protected]>
 */

#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_ALC_CTRL0		0x4011
#define ADAU1761_ALC_CTRL1		0x4012
#define ADAU1761_ALC_CTRL2		0x4013
#define ADAU1761_ALC_CTRL3		0x4014
#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_ALC_CTRL0,			0x00 },
	{ ADAU1761_ALC_CTRL1,			0x00 },
	{ ADAU1761_ALC_CTRL2,			0x00 },
	{ ADAU1761_ALC_CTRL3,			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 DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);
static const DECLARE_TLV_DB_SCALE(adau1761_alc_target_tlv, -2850, 150, 0);
static const DECLARE_TLV_DB_SCALE(adau1761_alc_ng_threshold_tlv, -7650, 150, 0);

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 unsigned int adau1761_pga_slew_time_values[] = {
	3, 0, 1, 2,
};

static const char * const adau1761_pga_slew_time_text[] = {
	"Off",
	"24 ms",
	"48 ms",
	"96 ms",
};

static const char * const adau1761_alc_function_text[] = {
	"Off",
	"Right",
	"Left",
	"Stereo",
	"DSP control",
};

static const char * const adau1761_alc_hold_time_text[] = {
	"2.67 ms",
	"5.34 ms",
	"10.68 ms",
	"21.36 ms",
	"42.72 ms",
	"85.44 ms",
	"170.88 ms",
	"341.76 ms",
	"683.52 ms",
	"1367 ms",
	"2734.1 ms",
	"5468.2 ms",
	"10936 ms",
	"21873 ms",
	"43745 ms",
	"87491 ms",
};

static const char * const adau1761_alc_attack_time_text[] = {
	"6 ms",
	"12 ms",
	"24 ms",
	"48 ms",
	"96 ms",
	"192 ms",
	"384 ms",
	"768 ms",
	"1540 ms",
	"3070 ms",
	"6140 ms",
	"12290 ms",
	"24580 ms",
	"49150 ms",
	"98300 ms",
	"196610 ms",
};

static const char * const adau1761_alc_decay_time_text[] = {
	"24 ms",
	"48 ms",
	"96 ms",
	"192 ms",
	"384 ms",
	"768 ms",
	"15400 ms",
	"30700 ms",
	"61400 ms",
	"12290 ms",
	"24580 ms",
	"49150 ms",
	"98300 ms",
	"196610 ms",
	"393220 ms",
	"786430 ms",
};

static const char * const adau1761_alc_ng_type_text[] = {
	"Hold",
	"Mute",
	"Fade",
	"Fade + Mute",
};

static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_pga_slew_time_enum,
		ADAU1761_ALC_CTRL0, 6, 0x3, adau1761_pga_slew_time_text,
		adau1761_pga_slew_time_values);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_function_enum,
		ADAU1761_ALC_CTRL0, 0, adau1761_alc_function_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_hold_time_enum,
		ADAU1761_ALC_CTRL1, 4, adau1761_alc_hold_time_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_attack_time_enum,
		ADAU1761_ALC_CTRL2, 4, adau1761_alc_attack_time_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_decay_time_enum,
		ADAU1761_ALC_CTRL2, 0, adau1761_alc_decay_time_text);
static SOC_ENUM_SINGLE_DECL(adau1761_alc_ng_type_enum,
		ADAU1761_ALC_CTRL3, 6, adau1761_alc_ng_type_text);

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),

	SOC_ENUM("PGA Capture Slew Time", adau1761_pga_slew_time_enum),

	SOC_SINGLE_TLV("ALC Capture Max Gain Volume", ADAU1761_ALC_CTRL0,
		3, 7, 0, adau1761_alc_max_gain_tlv),
	SOC_ENUM("ALC Capture Function", adau1761_alc_function_enum),
	SOC_ENUM("ALC Capture Hold Time", adau1761_alc_hold_time_enum),
	SOC_SINGLE_TLV("ALC Capture Target Volume", ADAU1761_ALC_CTRL1,
		0, 15, 0, adau1761_alc_target_tlv),
	SOC_ENUM("ALC Capture Attack Time", adau1761_alc_decay_time_enum),
	SOC_ENUM("ALC Capture Decay Time", adau1761_alc_attack_time_enum),
	SOC_ENUM("ALC Capture Noise Gate Type", adau1761_alc_ng_type_enum),
	SOC_SINGLE("ALC Capture Noise Gate Switch",
		ADAU1761_ALC_CTRL3, 5, 1, 0),
	SOC_SINGLE_TLV("ALC Capture Noise Gate Threshold Volume",
		ADAU1761_ALC_CTRL3, 0, 31, 0, adau1761_alc_ng_threshold_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_component *component = snd_soc_dapm_to_component(w->dapm);
	struct adau *adau = snd_soc_component_get_drvdata(component);

	/* 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;
}

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" },

	{ "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 const struct snd_soc_dapm_route adau1761_dapm_dsp_routes[] = {
	{ "DSP", NULL, "Digital Clock 0" },
};

static int adau1761_compatibility_probe(struct device *dev)
{
	struct adau *adau = dev_get_drvdata(dev);
	struct regmap *regmap = adau->regmap;
	int val, ret = 0;

	/* Only consider compatibility mode when ADAU1361 was specified. */
	if (adau->type != ADAU1361)
		return 0;

	regcache_cache_bypass(regmap, true);

	/*
	 * This will enable the core clock and bypass the PLL,
	 * so that we can access the registers for probing purposes
	 * (without having to set up the PLL).
	 */
	regmap_write(regmap, ADAU17X1_CLOCK_CONTROL,
		ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);

	/*
	 * ADAU17X1_SERIAL_SAMPLING_RATE doesn't exist in non-DSP chips;
	 * reading it results in zero at all times, and write is a no-op.
	 * Use this register to probe for ADAU1761.
	 */
	regmap_write(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, 1);
	ret = regmap_read(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, &val);
	if (ret)
		goto exit;
	if (val != 1)
		goto exit;
	regmap_write(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, 0);
	ret = regmap_read(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, &val);
	if (ret)
		goto exit;
	if (val != 0)
		goto exit;

	adau->type = ADAU1761_AS_1361;
exit:
	/* Disable core clock after probing. */
	regmap_write(regmap, ADAU17X1_CLOCK_CONTROL, 0);
	regcache_cache_bypass(regmap, false);
	return ret;
}

static int adau1761_set_bias_level(struct snd_soc_component *component,
				 enum snd_soc_bias_level level)
{
	struct adau *adau = snd_soc_component_get_drvdata(component);
	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);

	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_dapm_get_bias_level(dapm) == 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;
}

static enum adau1761_output_mode adau1761_get_lineout_mode(
	struct snd_soc_component *component)
{
	struct adau1761_platform_data *pdata = component->dev->platform_data;

	if (pdata)
		return pdata->lineout_mode;

	return ADAU1761_OUTPUT_MODE_LINE;
}

static int adau1761_setup_digmic_jackdetect(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
	struct adau1761_platform_data *pdata = component->dev->platform_data;
	struct adau *adau = snd_soc_component_get_drvdata(component);
	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_component_controls(component,
			adau1761_jack_detect_controls,
			ARRAY_SIZE(adau1761_jack_detect_controls));
		if (ret)
			return ret;
		fallthrough;
	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE:
		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;
}

static int adau1761_setup_headphone_mode(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
	struct adau *adau = snd_soc_component_get_drvdata(component);
	struct adau1761_platform_data *pdata = component->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_component_controls(component, 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;
}

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:
	case ADAU1761_ALC_CTRL0:
	case ADAU1761_ALC_CTRL1:
	case ADAU1761_ALC_CTRL2:
	case ADAU1761_ALC_CTRL3:
		return true;
	default:
		break;
	}

	return adau17x1_readable_register(dev, reg);
}

static int adau1761_component_probe(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
	struct adau1761_platform_data *pdata = component->dev->platform_data;
	struct adau *adau = snd_soc_component_get_drvdata(component);
	int ret;

	ret = adau17x1_add_widgets(component);
	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_component_controls(component,
			adau1761_differential_mode_controls,
			ARRAY_SIZE(adau1761_differential_mode_controls));
		if (ret)
			return ret;
	} else {
		ret = snd_soc_add_component_controls(component,
			adau1761_single_mode_controls,
			ARRAY_SIZE(adau1761_single_mode_controls));
		if (ret)
			return ret;
	}

	switch (adau1761_get_lineout_mode(component)) {
	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(component);
	if (ret)
		return ret;

	ret = adau1761_setup_digmic_jackdetect(component);
	if (ret)
		return ret;

	/*
	 * If we've got an ADAU1761, or an ADAU1761 operating as an
	 * ADAU1361, we need these non-DSP related DAPM widgets and routes.
	 */
	if (adau->type == ADAU1761 || adau->type == ADAU1761_AS_1361) {
		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;
	}
	/*
	 * These routes are DSP related and only used when we have a
	 * bona fide ADAU1761.
	 */
	if (adau->type == ADAU1761) {
		ret = snd_soc_dapm_add_routes(dapm, adau1761_dapm_dsp_routes,
			ARRAY_SIZE(adau1761_dapm_dsp_routes));
		if (ret)
			return ret;
	}
	/*
	 * In the ADAU1761, by default, the AIF is routed to the DSP, whereas
	 * for the ADAU1361, the AIF is permanently routed to the ADC and DAC.
	 * Thus, if we have an ADAU1761 masquerading as an ADAU1361,
	 * we need to explicitly route the AIF to the ADC and DAC.
	 * For the ADAU1761, this is normally done by set_tdm_slot, but this
	 * function is not necessarily called during stream setup, so set up
	 * the compatible AIF routings here from the start.
	 */
	if  (adau->type == ADAU1761_AS_1361) {
		regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE, 0x01);
		regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x01);
	}
	ret = adau17x1_add_routes(component);
	if (ret < 0)
		return ret;

	return 0;
}

static const struct snd_soc_component_driver adau1761_component_driver = {
	.probe			= adau1761_component_probe,
	.resume			= adau17x1_resume,
	.set_bias_level		= adau1761_set_bias_level,
	.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),
	.suspend_bias_off	= 1,
	.idle_bias_on		= 1,
	.use_pmdown_time	= 1,
	.endianness		= 1,
};

#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;

	ret = adau1761_compatibility_probe(dev);
	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 devm_snd_soc_register_component(dev, &adau1761_component_driver,
					       dai_drv, 1);
}
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_MAPLE,
};
EXPORT_SYMBOL_GPL(adau1761_regmap_config);

MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC driver");
MODULE_AUTHOR("Lars-Peter Clausen <[email protected]>");
MODULE_LICENSE("GPL");