root/sound/soc/codecs/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 <lars@metafoo.de>
 */

#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 <lars@metafoo.de>");
MODULE_LICENSE("GPL");