root/sound/soc/codecs/alc5632.c
// SPDX-License-Identifier: GPL-2.0-only
/*
* alc5632.c  --  ALC5632 ALSA SoC Audio Codec
*
* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
*
* Authors:  Leon Romanovsky <leon@leon.nu>
*           Andrey Danin <danindrey@mail.ru>
*           Ilya Petrov <ilya.muromec@gmail.com>
*           Marc Dietrich <marvin24@gmx.de>
*
* Based on alc5623.c by Arnaud Patard
*/

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <sound/soc.h>
#include <sound/initval.h>

#include "alc5632.h"

/*
 * ALC5632 register cache
 */
static const struct reg_default alc5632_reg_defaults[] = {
        {   2, 0x8080 },        /* R2   - Speaker Output Volume */
        {   4, 0x8080 },        /* R4   - Headphone Output Volume */
        {   6, 0x8080 },        /* R6   - AUXOUT Volume */
        {   8, 0xC800 },        /* R8   - Phone Input */
        {  10, 0xE808 },        /* R10  - LINE_IN Volume */
        {  12, 0x1010 },        /* R12  - STEREO DAC Input Volume */
        {  14, 0x0808 },        /* R14  - MIC Input Volume */
        {  16, 0xEE0F },        /* R16  - Stereo DAC and MIC Routing Control */
        {  18, 0xCBCB },        /* R18  - ADC Record Gain */
        {  20, 0x7F7F },        /* R20  - ADC Record Mixer Control */
        {  24, 0xE010 },        /* R24  - Voice DAC Volume */
        {  28, 0x8008 },        /* R28  - Output Mixer Control */
        {  34, 0x0000 },        /* R34  - Microphone Control */
        {  36, 0x00C0 },    /* R36  - Codec Digital MIC/Digital Boost
                                                   Control */
        {  46, 0x0000 },        /* R46  - Stereo DAC/Voice DAC/Stereo ADC
                                                   Function Select */
        {  52, 0x8000 },        /* R52  - Main Serial Data Port Control
                                                   (Stereo I2S) */
        {  54, 0x0000 },        /* R54  - Extend Serial Data Port Control
                                                   (VoDAC_I2S/PCM) */
        {  58, 0x0000 },        /* R58  - Power Management Addition 1 */
        {  60, 0x0000 },        /* R60  - Power Management Addition 2 */
        {  62, 0x8000 },        /* R62  - Power Management Addition 3 */
        {  64, 0x0C0A },        /* R64  - General Purpose Control Register 1 */
        {  66, 0x0000 },        /* R66  - General Purpose Control Register 2 */
        {  68, 0x0000 },        /* R68  - PLL1 Control */
        {  70, 0x0000 },        /* R70  - PLL2 Control */
        {  76, 0xBE3E },        /* R76  - GPIO Pin Configuration */
        {  78, 0xBE3E },        /* R78  - GPIO Pin Polarity */
        {  80, 0x0000 },        /* R80  - GPIO Pin Sticky */
        {  82, 0x0000 },        /* R82  - GPIO Pin Wake Up */
        {  86, 0x0000 },        /* R86  - Pin Sharing */
        {  90, 0x0009 },        /* R90  - Soft Volume Control Setting */
        {  92, 0x0000 },        /* R92  - GPIO_Output Pin Control */
        {  94, 0x3000 },        /* R94  - MISC Control */
        {  96, 0x3075 },        /* R96  - Stereo DAC Clock Control_1 */
        {  98, 0x1010 },        /* R98  - Stereo DAC Clock Control_2 */
        { 100, 0x3110 },        /* R100 - VoDAC_PCM Clock Control_1 */
        { 104, 0x0553 },        /* R104 - Pseudo Stereo and Spatial Effect
                                                   Block Control */
        { 106, 0x0000 },        /* R106 - Private Register Address */
};

/* codec private data */
struct alc5632_priv {
        struct regmap *regmap;
        u8 id;
        unsigned int sysclk;
};

static bool alc5632_volatile_register(struct device *dev,
                                                        unsigned int reg)
{
        switch (reg) {
        case ALC5632_RESET:
        case ALC5632_PWR_DOWN_CTRL_STATUS:
        case ALC5632_GPIO_PIN_STATUS:
        case ALC5632_OVER_CURR_STATUS:
        case ALC5632_HID_CTRL_DATA:
        case ALC5632_EQ_CTRL:
        case ALC5632_VENDOR_ID1:
        case ALC5632_VENDOR_ID2:
                return true;

        default:
                break;
        }

        return false;
}

static inline int alc5632_reset(struct regmap *map)
{
        return regmap_write(map, ALC5632_RESET, 0x59B4);
}

static int amp_mixer_event(struct snd_soc_dapm_widget *w,
        struct snd_kcontrol *kcontrol, int event)
{
        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);

        /* to power-on/off class-d amp generators/speaker */
        /* need to write to 'index-46h' register :        */
        /* so write index num (here 0x46) to reg 0x6a     */
        /* and then 0xffff/0 to reg 0x6c                  */
        snd_soc_component_write(component, ALC5632_HID_CTRL_INDEX, 0x46);

        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
                snd_soc_component_write(component, ALC5632_HID_CTRL_DATA, 0xFFFF);
                break;
        case SND_SOC_DAPM_POST_PMD:
                snd_soc_component_write(component, ALC5632_HID_CTRL_DATA, 0);
                break;
        }

        return 0;
}

/*
 * ALC5632 Controls
 */

/* -34.5db min scale, 1.5db steps, no mute */
static const DECLARE_TLV_DB_SCALE(vol_tlv, -3450, 150, 0);
/* -46.5db min scale, 1.5db steps, no mute */
static const DECLARE_TLV_DB_SCALE(hp_tlv, -4650, 150, 0);
/* -16.5db min scale, 1.5db steps, no mute */
static const DECLARE_TLV_DB_SCALE(adc_rec_tlv, -1650, 150, 0);
static const DECLARE_TLV_DB_RANGE(boost_tlv,
        0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
        1, 3, TLV_DB_SCALE_ITEM(2000, 1000, 0)
);
/* 0db min scale, 6 db steps, no mute */
static const DECLARE_TLV_DB_SCALE(dig_tlv, 0, 600, 0);
/* 0db min scalem 0.75db steps, no mute */
static const DECLARE_TLV_DB_SCALE(vdac_tlv, -3525, 75, 0);

static const struct snd_kcontrol_new alc5632_vol_snd_controls[] = {
        /* left starts at bit 8, right at bit 0 */
        /* 31 steps (5 bit), -46.5db scale */
        SOC_DOUBLE_TLV("Speaker Playback Volume",
                        ALC5632_SPK_OUT_VOL, 8, 0, 31, 1, hp_tlv),
        /* bit 15 mutes left, bit 7 right */
        SOC_DOUBLE("Speaker Playback Switch",
                        ALC5632_SPK_OUT_VOL, 15, 7, 1, 1),
        SOC_DOUBLE_TLV("Headphone Playback Volume",
                        ALC5632_HP_OUT_VOL, 8, 0, 31, 1, hp_tlv),
        SOC_DOUBLE("Headphone Playback Switch",
                        ALC5632_HP_OUT_VOL, 15, 7, 1, 1),
};

static const struct snd_kcontrol_new alc5632_snd_controls[] = {
        SOC_DOUBLE_TLV("Auxout Playback Volume",
                        ALC5632_AUX_OUT_VOL, 8, 0, 31, 1, hp_tlv),
        SOC_DOUBLE("Auxout Playback Switch",
                        ALC5632_AUX_OUT_VOL, 15, 7, 1, 1),
        SOC_SINGLE_TLV("Voice DAC Playback Volume",
                        ALC5632_VOICE_DAC_VOL, 0, 63, 0, vdac_tlv),
        SOC_SINGLE("Voice DAC Playback Switch",
                        ALC5632_VOICE_DAC_VOL, 12, 1, 1),
        SOC_SINGLE_TLV("Phone Playback Volume",
                        ALC5632_PHONE_IN_VOL, 8, 31, 1, vol_tlv),
        SOC_DOUBLE_TLV("LineIn Playback Volume",
                        ALC5632_LINE_IN_VOL, 8, 0, 31, 1, vol_tlv),
        SOC_DOUBLE_TLV("Master Playback Volume",
                        ALC5632_STEREO_DAC_IN_VOL, 8, 0, 63, 1, vdac_tlv),
        SOC_DOUBLE("Master Playback Switch",
                        ALC5632_STEREO_DAC_IN_VOL, 15, 7, 1, 1),
        SOC_SINGLE_TLV("Mic1 Playback Volume",
                        ALC5632_MIC_VOL, 8, 31, 1, vol_tlv),
        SOC_SINGLE_TLV("Mic2 Playback Volume",
                        ALC5632_MIC_VOL, 0, 31, 1, vol_tlv),
        SOC_DOUBLE_TLV("Rec Capture Volume",
                        ALC5632_ADC_REC_GAIN, 8, 0, 31, 0, adc_rec_tlv),
        SOC_SINGLE_TLV("Mic 1 Boost Volume",
                        ALC5632_MIC_CTRL, 10, 3, 0, boost_tlv),
        SOC_SINGLE_TLV("Mic 2 Boost Volume",
                        ALC5632_MIC_CTRL, 8, 3, 0, boost_tlv),
        SOC_SINGLE_TLV("DMIC Boost Capture Volume",
                        ALC5632_DIGI_BOOST_CTRL, 0, 7, 0, dig_tlv),
        SOC_SINGLE("DMIC En Capture Switch",
                        ALC5632_DIGI_BOOST_CTRL, 15, 1, 0),
        SOC_SINGLE("DMIC PreFilter Capture Switch",
                        ALC5632_DIGI_BOOST_CTRL, 12, 1, 0),
};

/*
 * DAPM Controls
 */
static const struct snd_kcontrol_new alc5632_hp_mixer_controls[] = {
SOC_DAPM_SINGLE("LI2HP Playback Switch", ALC5632_LINE_IN_VOL, 15, 1, 1),
SOC_DAPM_SINGLE("PHONE2HP Playback Switch", ALC5632_PHONE_IN_VOL, 15, 1, 1),
SOC_DAPM_SINGLE("MIC12HP Playback Switch", ALC5632_MIC_ROUTING_CTRL, 15, 1, 1),
SOC_DAPM_SINGLE("MIC22HP Playback Switch", ALC5632_MIC_ROUTING_CTRL, 11, 1, 1),
SOC_DAPM_SINGLE("VOICE2HP Playback Switch", ALC5632_VOICE_DAC_VOL, 15, 1, 1),
};

static const struct snd_kcontrol_new alc5632_hpl_mixer_controls[] = {
SOC_DAPM_SINGLE("ADC2HP_L Playback Switch", ALC5632_ADC_REC_GAIN, 15, 1, 1),
SOC_DAPM_SINGLE("DACL2HP Playback Switch", ALC5632_MIC_ROUTING_CTRL, 3, 1, 1),
};

static const struct snd_kcontrol_new alc5632_hpr_mixer_controls[] = {
SOC_DAPM_SINGLE("ADC2HP_R Playback Switch", ALC5632_ADC_REC_GAIN, 7, 1, 1),
SOC_DAPM_SINGLE("DACR2HP Playback Switch", ALC5632_MIC_ROUTING_CTRL, 2, 1, 1),
};

static const struct snd_kcontrol_new alc5632_mono_mixer_controls[] = {
SOC_DAPM_SINGLE("ADC2MONO_L Playback Switch", ALC5632_ADC_REC_GAIN, 14, 1, 1),
SOC_DAPM_SINGLE("ADC2MONO_R Playback Switch", ALC5632_ADC_REC_GAIN, 6, 1, 1),
SOC_DAPM_SINGLE("LI2MONO Playback Switch", ALC5632_LINE_IN_VOL, 13, 1, 1),
SOC_DAPM_SINGLE("MIC12MONO Playback Switch",
                                        ALC5632_MIC_ROUTING_CTRL, 13, 1, 1),
SOC_DAPM_SINGLE("MIC22MONO Playback Switch",
                                        ALC5632_MIC_ROUTING_CTRL, 9, 1, 1),
SOC_DAPM_SINGLE("DAC2MONO Playback Switch", ALC5632_MIC_ROUTING_CTRL, 0, 1, 1),
SOC_DAPM_SINGLE("VOICE2MONO Playback Switch", ALC5632_VOICE_DAC_VOL, 13, 1, 1),
};

static const struct snd_kcontrol_new alc5632_speaker_mixer_controls[] = {
SOC_DAPM_SINGLE("LI2SPK Playback Switch", ALC5632_LINE_IN_VOL, 14, 1, 1),
SOC_DAPM_SINGLE("PHONE2SPK Playback Switch", ALC5632_PHONE_IN_VOL, 14, 1, 1),
SOC_DAPM_SINGLE("MIC12SPK Playback Switch",
                                        ALC5632_MIC_ROUTING_CTRL, 14, 1, 1),
SOC_DAPM_SINGLE("MIC22SPK Playback Switch",
                                        ALC5632_MIC_ROUTING_CTRL, 10, 1, 1),
SOC_DAPM_SINGLE("DAC2SPK Playback Switch", ALC5632_MIC_ROUTING_CTRL, 1, 1, 1),
SOC_DAPM_SINGLE("VOICE2SPK Playback Switch", ALC5632_VOICE_DAC_VOL, 14, 1, 1),
};

/* Left Record Mixer */
static const struct snd_kcontrol_new alc5632_captureL_mixer_controls[] = {
SOC_DAPM_SINGLE("MIC12REC_L Capture Switch", ALC5632_ADC_REC_MIXER, 14, 1, 1),
SOC_DAPM_SINGLE("MIC22REC_L Capture Switch", ALC5632_ADC_REC_MIXER, 13, 1, 1),
SOC_DAPM_SINGLE("LIL2REC Capture Switch", ALC5632_ADC_REC_MIXER, 12, 1, 1),
SOC_DAPM_SINGLE("PH2REC_L Capture Switch", ALC5632_ADC_REC_MIXER, 11, 1, 1),
SOC_DAPM_SINGLE("HPL2REC Capture Switch", ALC5632_ADC_REC_MIXER, 10, 1, 1),
SOC_DAPM_SINGLE("SPK2REC_L Capture Switch", ALC5632_ADC_REC_MIXER, 9, 1, 1),
SOC_DAPM_SINGLE("MONO2REC_L Capture Switch", ALC5632_ADC_REC_MIXER, 8, 1, 1),
};

/* Right Record Mixer */
static const struct snd_kcontrol_new alc5632_captureR_mixer_controls[] = {
SOC_DAPM_SINGLE("MIC12REC_R Capture Switch", ALC5632_ADC_REC_MIXER, 6, 1, 1),
SOC_DAPM_SINGLE("MIC22REC_R Capture Switch", ALC5632_ADC_REC_MIXER, 5, 1, 1),
SOC_DAPM_SINGLE("LIR2REC Capture Switch", ALC5632_ADC_REC_MIXER, 4, 1, 1),
SOC_DAPM_SINGLE("PH2REC_R Capture Switch", ALC5632_ADC_REC_MIXER, 3, 1, 1),
SOC_DAPM_SINGLE("HPR2REC Capture Switch", ALC5632_ADC_REC_MIXER, 2, 1, 1),
SOC_DAPM_SINGLE("SPK2REC_R Capture Switch", ALC5632_ADC_REC_MIXER, 1, 1, 1),
SOC_DAPM_SINGLE("MONO2REC_R Capture Switch", ALC5632_ADC_REC_MIXER, 0, 1, 1),
};

/* Dmic Mixer */
static const struct snd_kcontrol_new alc5632_dmicl_mixer_controls[] = {
SOC_DAPM_SINGLE("DMICL2ADC Capture Switch", ALC5632_DIGI_BOOST_CTRL, 7, 1, 1),
};
static const struct snd_kcontrol_new alc5632_dmicr_mixer_controls[] = {
SOC_DAPM_SINGLE("DMICR2ADC Capture Switch", ALC5632_DIGI_BOOST_CTRL, 6, 1, 1),
};

static const char * const alc5632_spk_n_sour_sel[] = {
                "RN/-R", "RP/+R", "LN/-R", "Mute"};
static const char * const alc5632_hpl_out_input_sel[] = {
                "Vmid", "HP Left Mix"};
static const char * const alc5632_hpr_out_input_sel[] = {
                "Vmid", "HP Right Mix"};
static const char * const alc5632_spkout_input_sel[] = {
                "Vmid", "HPOut Mix", "Speaker Mix", "Mono Mix"};
static const char * const alc5632_aux_out_input_sel[] = {
                "Vmid", "HPOut Mix", "Speaker Mix", "Mono Mix"};
static const char * const alc5632_adcr_func_sel[] = {
                "Stereo ADC", "Voice ADC"};
static const char * const alc5632_i2s_out_sel[] = {
                "ADC LR", "Voice Stereo Digital"};

/* auxout output mux */
static SOC_ENUM_SINGLE_DECL(alc5632_aux_out_input_enum,
                            ALC5632_OUTPUT_MIXER_CTRL, 6,
                            alc5632_aux_out_input_sel);
static const struct snd_kcontrol_new alc5632_auxout_mux_controls =
SOC_DAPM_ENUM("AuxOut Mux", alc5632_aux_out_input_enum);

/* speaker output mux */
static SOC_ENUM_SINGLE_DECL(alc5632_spkout_input_enum,
                            ALC5632_OUTPUT_MIXER_CTRL, 10,
                            alc5632_spkout_input_sel);
static const struct snd_kcontrol_new alc5632_spkout_mux_controls =
SOC_DAPM_ENUM("SpeakerOut Mux", alc5632_spkout_input_enum);

/* headphone left output mux */
static SOC_ENUM_SINGLE_DECL(alc5632_hpl_out_input_enum,
                            ALC5632_OUTPUT_MIXER_CTRL, 9,
                            alc5632_hpl_out_input_sel);
static const struct snd_kcontrol_new alc5632_hpl_out_mux_controls =
SOC_DAPM_ENUM("Left Headphone Mux", alc5632_hpl_out_input_enum);

/* headphone right output mux */
static SOC_ENUM_SINGLE_DECL(alc5632_hpr_out_input_enum,
                            ALC5632_OUTPUT_MIXER_CTRL, 8,
                            alc5632_hpr_out_input_sel);
static const struct snd_kcontrol_new alc5632_hpr_out_mux_controls =
SOC_DAPM_ENUM("Right Headphone Mux", alc5632_hpr_out_input_enum);

/* speaker output N select */
static SOC_ENUM_SINGLE_DECL(alc5632_spk_n_sour_enum,
                            ALC5632_OUTPUT_MIXER_CTRL, 14,
                            alc5632_spk_n_sour_sel);
static const struct snd_kcontrol_new alc5632_spkoutn_mux_controls =
SOC_DAPM_ENUM("SpeakerOut N Mux", alc5632_spk_n_sour_enum);

/* speaker amplifier */
static const char *alc5632_amp_names[] = {"AB Amp", "D Amp"};
static SOC_ENUM_SINGLE_DECL(alc5632_amp_enum,
                            ALC5632_OUTPUT_MIXER_CTRL, 13,
                            alc5632_amp_names);
static const struct snd_kcontrol_new alc5632_amp_mux_controls =
        SOC_DAPM_ENUM("AB-D Amp Mux", alc5632_amp_enum);

/* ADC output select */
static SOC_ENUM_SINGLE_DECL(alc5632_adcr_func_enum,
                            ALC5632_DAC_FUNC_SELECT, 5,
                            alc5632_adcr_func_sel);
static const struct snd_kcontrol_new alc5632_adcr_func_controls =
        SOC_DAPM_ENUM("ADCR Mux", alc5632_adcr_func_enum);

/* I2S out select */
static SOC_ENUM_SINGLE_DECL(alc5632_i2s_out_enum,
                            ALC5632_I2S_OUT_CTL, 5,
                            alc5632_i2s_out_sel);
static const struct snd_kcontrol_new alc5632_i2s_out_controls =
        SOC_DAPM_ENUM("I2SOut Mux", alc5632_i2s_out_enum);

static const struct snd_soc_dapm_widget alc5632_dapm_widgets[] = {
/* Muxes */
SND_SOC_DAPM_MUX("AuxOut Mux", SND_SOC_NOPM, 0, 0,
        &alc5632_auxout_mux_controls),
SND_SOC_DAPM_MUX("SpeakerOut Mux", SND_SOC_NOPM, 0, 0,
        &alc5632_spkout_mux_controls),
SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0,
        &alc5632_hpl_out_mux_controls),
SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0,
        &alc5632_hpr_out_mux_controls),
SND_SOC_DAPM_MUX("SpeakerOut N Mux", SND_SOC_NOPM, 0, 0,
        &alc5632_spkoutn_mux_controls),
SND_SOC_DAPM_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0,
        &alc5632_adcr_func_controls),
SND_SOC_DAPM_MUX("I2SOut Mux", ALC5632_PWR_MANAG_ADD1, 11, 0,
        &alc5632_i2s_out_controls),

/* output mixers */
SND_SOC_DAPM_MIXER("HP Mix", SND_SOC_NOPM, 0, 0,
        &alc5632_hp_mixer_controls[0],
        ARRAY_SIZE(alc5632_hp_mixer_controls)),
SND_SOC_DAPM_MIXER("HPR Mix", ALC5632_PWR_MANAG_ADD2, 4, 0,
        &alc5632_hpr_mixer_controls[0],
        ARRAY_SIZE(alc5632_hpr_mixer_controls)),
SND_SOC_DAPM_MIXER("HPL Mix", ALC5632_PWR_MANAG_ADD2, 5, 0,
        &alc5632_hpl_mixer_controls[0],
        ARRAY_SIZE(alc5632_hpl_mixer_controls)),
SND_SOC_DAPM_MIXER("HPOut Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Mono Mix", ALC5632_PWR_MANAG_ADD2, 2, 0,
        &alc5632_mono_mixer_controls[0],
        ARRAY_SIZE(alc5632_mono_mixer_controls)),
SND_SOC_DAPM_MIXER("Speaker Mix", ALC5632_PWR_MANAG_ADD2, 3, 0,
        &alc5632_speaker_mixer_controls[0],
        ARRAY_SIZE(alc5632_speaker_mixer_controls)),
SND_SOC_DAPM_MIXER("DMICL Mix", SND_SOC_NOPM, 0, 0,
        &alc5632_dmicl_mixer_controls[0],
        ARRAY_SIZE(alc5632_dmicl_mixer_controls)),
SND_SOC_DAPM_MIXER("DMICR Mix", SND_SOC_NOPM, 0, 0,
        &alc5632_dmicr_mixer_controls[0],
        ARRAY_SIZE(alc5632_dmicr_mixer_controls)),

/* input mixers */
SND_SOC_DAPM_MIXER("Left Capture Mix", ALC5632_PWR_MANAG_ADD2, 1, 0,
        &alc5632_captureL_mixer_controls[0],
        ARRAY_SIZE(alc5632_captureL_mixer_controls)),
SND_SOC_DAPM_MIXER("Right Capture Mix", ALC5632_PWR_MANAG_ADD2, 0, 0,
        &alc5632_captureR_mixer_controls[0],
        ARRAY_SIZE(alc5632_captureR_mixer_controls)),

SND_SOC_DAPM_AIF_IN("AIFRXL", "Left HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("AIFRXR", "Right HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("VAIFRX", "Voice Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("VAIFTX", "Voice Capture", 0, SND_SOC_NOPM, 0, 0),

SND_SOC_DAPM_DAC("Voice DAC", NULL, ALC5632_PWR_MANAG_ADD2, 10, 0),
SND_SOC_DAPM_DAC("Left DAC", NULL, ALC5632_PWR_MANAG_ADD2, 9, 0),
SND_SOC_DAPM_DAC("Right DAC", NULL, ALC5632_PWR_MANAG_ADD2, 8, 0),
SND_SOC_DAPM_ADC("Left ADC", NULL, ALC5632_PWR_MANAG_ADD2, 7, 0),
SND_SOC_DAPM_ADC("Right ADC", NULL, ALC5632_PWR_MANAG_ADD2, 6, 0),

SND_SOC_DAPM_MIXER("DAC Left Channel", ALC5632_PWR_MANAG_ADD1, 15, 0, NULL, 0),
SND_SOC_DAPM_MIXER("DAC Right Channel",
        ALC5632_PWR_MANAG_ADD1, 14, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I2S Mix", ALC5632_PWR_MANAG_ADD1, 11, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Phone Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Line Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Voice Mix", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("ADCLR", SND_SOC_NOPM, 0, 0, NULL, 0),

SND_SOC_DAPM_PGA("Left Headphone", ALC5632_PWR_MANAG_ADD3, 11, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right Headphone", ALC5632_PWR_MANAG_ADD3, 10, 0, NULL, 0),
SND_SOC_DAPM_PGA("Left Speaker", ALC5632_PWR_MANAG_ADD3, 13, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right Speaker", ALC5632_PWR_MANAG_ADD3, 12, 0, NULL, 0),
SND_SOC_DAPM_PGA("Aux Out", ALC5632_PWR_MANAG_ADD3, 14, 0, NULL, 0),
SND_SOC_DAPM_PGA("Left LineIn", ALC5632_PWR_MANAG_ADD3, 7, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right LineIn", ALC5632_PWR_MANAG_ADD3, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA("Phone", ALC5632_PWR_MANAG_ADD3, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA("Phone ADMix", ALC5632_PWR_MANAG_ADD3, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA("MIC1 PGA", ALC5632_PWR_MANAG_ADD3, 3, 0, NULL, 0),
SND_SOC_DAPM_PGA("MIC2 PGA", ALC5632_PWR_MANAG_ADD3, 2, 0, NULL, 0),
SND_SOC_DAPM_PGA("MIC1 Pre Amp", ALC5632_PWR_MANAG_ADD3, 1, 0, NULL, 0),
SND_SOC_DAPM_PGA("MIC2 Pre Amp", ALC5632_PWR_MANAG_ADD3, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("MICBIAS1", ALC5632_PWR_MANAG_ADD1, 3, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("MICBIAS2", ALC5632_PWR_MANAG_ADD1, 2, 0, NULL, 0),

SND_SOC_DAPM_PGA_E("D Amp", ALC5632_PWR_MANAG_ADD2, 14, 0, NULL, 0,
        amp_mixer_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA("AB Amp", ALC5632_PWR_MANAG_ADD2, 15, 0, NULL, 0),
SND_SOC_DAPM_MUX("AB-D Amp Mux", ALC5632_PWR_MANAG_ADD1, 10, 0,
        &alc5632_amp_mux_controls),

SND_SOC_DAPM_OUTPUT("AUXOUT"),
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("HPR"),
SND_SOC_DAPM_OUTPUT("SPKOUT"),
SND_SOC_DAPM_OUTPUT("SPKOUTN"),

SND_SOC_DAPM_INPUT("LINEINL"),
SND_SOC_DAPM_INPUT("LINEINR"),
SND_SOC_DAPM_INPUT("PHONEP"),
SND_SOC_DAPM_INPUT("PHONEN"),
SND_SOC_DAPM_INPUT("DMICDAT"),
SND_SOC_DAPM_INPUT("MIC1"),
SND_SOC_DAPM_INPUT("MIC2"),
SND_SOC_DAPM_VMID("Vmid"),
};


static const struct snd_soc_dapm_route alc5632_dapm_routes[] = {
        /* Playback streams */
        {"Left DAC", NULL, "AIFRXL"},
        {"Right DAC", NULL, "AIFRXR"},

        /* virtual mixer - mixes left & right channels */
        {"I2S Mix",     NULL,   "Left DAC"},
        {"I2S Mix",     NULL,   "Right DAC"},
        {"Line Mix",    NULL,   "Right LineIn"},
        {"Line Mix",    NULL,   "Left LineIn"},
        {"Phone Mix",   NULL,   "Phone"},
        {"Phone Mix",   NULL,   "Phone ADMix"},
        {"AUXOUT",              NULL,   "Aux Out"},

        /* DAC */
        {"DAC Right Channel",   NULL,   "I2S Mix"},
        {"DAC Left Channel",    NULL,   "I2S Mix"},

        /* HP mixer */
        {"HPL Mix",     "ADC2HP_L Playback Switch",     "Left Capture Mix"},
        {"HPL Mix", NULL,                                       "HP Mix"},
        {"HPR Mix", "ADC2HP_R Playback Switch", "Right Capture Mix"},
        {"HPR Mix", NULL,                                       "HP Mix"},
        {"HP Mix",      "LI2HP Playback Switch",        "Line Mix"},
        {"HP Mix",      "PHONE2HP Playback Switch",     "Phone Mix"},
        {"HP Mix",      "MIC12HP Playback Switch",      "MIC1 PGA"},
        {"HP Mix",      "MIC22HP Playback Switch",      "MIC2 PGA"},
        {"HP Mix", "VOICE2HP Playback Switch",  "Voice Mix"},
        {"HPR Mix", "DACR2HP Playback Switch",  "DAC Right Channel"},
        {"HPL Mix", "DACL2HP Playback Switch",  "DAC Left Channel"},
        {"HPOut Mix", NULL, "HP Mix"},
        {"HPOut Mix", NULL, "HPR Mix"},
        {"HPOut Mix", NULL, "HPL Mix"},

        /* speaker mixer */
        {"Speaker Mix", "LI2SPK Playback Switch",       "Line Mix"},
        {"Speaker Mix", "PHONE2SPK Playback Switch", "Phone Mix"},
        {"Speaker Mix", "MIC12SPK Playback Switch",     "MIC1 PGA"},
        {"Speaker Mix", "MIC22SPK Playback Switch",     "MIC2 PGA"},
        {"Speaker Mix", "DAC2SPK Playback Switch",      "DAC Left Channel"},
        {"Speaker Mix", "VOICE2SPK Playback Switch",    "Voice Mix"},

        /* mono mixer */
        {"Mono Mix", "ADC2MONO_L Playback Switch",      "Left Capture Mix"},
        {"Mono Mix", "ADC2MONO_R Playback Switch",      "Right Capture Mix"},
        {"Mono Mix", "LI2MONO Playback Switch",         "Line Mix"},
        {"Mono Mix", "MIC12MONO Playback Switch",       "MIC1 PGA"},
        {"Mono Mix", "MIC22MONO Playback Switch",       "MIC2 PGA"},
        {"Mono Mix", "DAC2MONO Playback Switch",        "DAC Left Channel"},
        {"Mono Mix", "VOICE2MONO Playback Switch",      "Voice Mix"},

        /* Left record mixer */
        {"Left Capture Mix", "LIL2REC Capture Switch", "LINEINL"},
        {"Left Capture Mix", "PH2REC_L Capture Switch", "PHONEN"},
        {"Left Capture Mix", "MIC12REC_L Capture Switch", "MIC1 Pre Amp"},
        {"Left Capture Mix", "MIC22REC_L Capture Switch", "MIC2 Pre Amp"},
        {"Left Capture Mix", "HPL2REC Capture Switch", "HPL Mix"},
        {"Left Capture Mix", "SPK2REC_L Capture Switch", "Speaker Mix"},
        {"Left Capture Mix", "MONO2REC_L Capture Switch", "Mono Mix"},

        /*Right record mixer */
        {"Right Capture Mix", "LIR2REC Capture Switch", "LINEINR"},
        {"Right Capture Mix", "PH2REC_R Capture Switch", "PHONEP"},
        {"Right Capture Mix", "MIC12REC_R Capture Switch", "MIC1 Pre Amp"},
        {"Right Capture Mix", "MIC22REC_R Capture Switch", "MIC2 Pre Amp"},
        {"Right Capture Mix", "HPR2REC Capture Switch", "HPR Mix"},
        {"Right Capture Mix", "SPK2REC_R Capture Switch", "Speaker Mix"},
        {"Right Capture Mix", "MONO2REC_R Capture Switch", "Mono Mix"},

        /* headphone left mux */
        {"Left Headphone Mux", "HP Left Mix",           "HPL Mix"},
        {"Left Headphone Mux", "Vmid",                  "Vmid"},

        /* headphone right mux */
        {"Right Headphone Mux", "HP Right Mix",         "HPR Mix"},
        {"Right Headphone Mux", "Vmid",                 "Vmid"},

        /* speaker out mux */
        {"SpeakerOut Mux", "Vmid",                      "Vmid"},
        {"SpeakerOut Mux", "HPOut Mix",                 "HPOut Mix"},
        {"SpeakerOut Mux", "Speaker Mix",               "Speaker Mix"},
        {"SpeakerOut Mux", "Mono Mix",                  "Mono Mix"},

        /* Mono/Aux Out mux */
        {"AuxOut Mux", "Vmid",                          "Vmid"},
        {"AuxOut Mux", "HPOut Mix",                     "HPOut Mix"},
        {"AuxOut Mux", "Speaker Mix",                   "Speaker Mix"},
        {"AuxOut Mux", "Mono Mix",                      "Mono Mix"},

        /* output pga */
        {"HPL", NULL,                                   "Left Headphone"},
        {"Left Headphone", NULL,                        "Left Headphone Mux"},
        {"HPR", NULL,                                   "Right Headphone"},
        {"Right Headphone", NULL,                       "Right Headphone Mux"},
        {"Aux Out", NULL,                               "AuxOut Mux"},

        /* input pga */
        {"Left LineIn", NULL,                           "LINEINL"},
        {"Right LineIn", NULL,                          "LINEINR"},
        {"Phone", NULL,                         "PHONEP"},
        {"MIC1 Pre Amp", NULL,                          "MIC1"},
        {"MIC2 Pre Amp", NULL,                          "MIC2"},
        {"MIC1 PGA", NULL,                              "MIC1 Pre Amp"},
        {"MIC2 PGA", NULL,                              "MIC2 Pre Amp"},

        /* left ADC */
        {"Left ADC", NULL,                              "Left Capture Mix"},
        {"DMICL Mix", "DMICL2ADC Capture Switch", "DMICDAT"},
        {"Left ADC", NULL,                              "DMICL Mix"},
        {"ADCLR", NULL,                                 "Left ADC"},

        /* right ADC */
        {"Right ADC", NULL, "Right Capture Mix"},
        {"DMICR Mix", "DMICR2ADC Capture Switch", "DMICDAT"},
        {"Right ADC", NULL, "DMICR Mix"},
        {"ADCR Mux", "Stereo ADC", "Right ADC"},
        {"ADCR Mux", "Voice ADC", "Right ADC"},
        {"ADCLR", NULL, "ADCR Mux"},
        {"VAIFTX", NULL, "ADCR Mux"},

        /* Digital I2S out */
        {"I2SOut Mux", "ADC LR", "ADCLR"},
        {"I2SOut Mux", "Voice Stereo Digital", "VAIFRX"},
        {"AIFTXL", NULL, "I2SOut Mux"},
        {"AIFTXR", NULL, "I2SOut Mux"},

        /* Voice Mix */
        {"Voice DAC", NULL, "VAIFRX"},
        {"Voice Mix", NULL, "Voice DAC"},

        /* Speaker Output */
        {"SpeakerOut N Mux", "RN/-R",                   "Left Speaker"},
        {"SpeakerOut N Mux", "RP/+R",                   "Left Speaker"},
        {"SpeakerOut N Mux", "LN/-R",                   "Left Speaker"},
        {"SpeakerOut N Mux", "Mute",                    "Vmid"},

        {"SpeakerOut N Mux", "RN/-R",                   "Right Speaker"},
        {"SpeakerOut N Mux", "RP/+R",                   "Right Speaker"},
        {"SpeakerOut N Mux", "LN/-R",                   "Right Speaker"},
        {"SpeakerOut N Mux", "Mute",                    "Vmid"},

        {"AB Amp", NULL,                                "SpeakerOut Mux"},
        {"D Amp", NULL,                                 "SpeakerOut Mux"},
        {"AB-D Amp Mux", "AB Amp",                      "AB Amp"},
        {"AB-D Amp Mux", "D Amp",                       "D Amp"},
        {"Left Speaker", NULL,                          "AB-D Amp Mux"},
        {"Right Speaker", NULL,                         "AB-D Amp Mux"},

        {"SPKOUT", NULL,                                "Left Speaker"},
        {"SPKOUT", NULL,                                "Right Speaker"},

        {"SPKOUTN", NULL,                               "SpeakerOut N Mux"},

};

/* PLL divisors */
struct _pll_div {
        u32 pll_in;
        u32 pll_out;
        u16 regvalue;
};

/* Note : pll code from original alc5632 driver. Not sure of how good it is */
/* useful only for master mode */
static const struct _pll_div codec_master_pll_div[] = {

        {  2048000,  8192000,   0x0ea0},
        {  3686400,  8192000,   0x4e27},
        { 12000000,  8192000,   0x456b},
        { 13000000,  8192000,   0x495f},
        { 13100000,  8192000,   0x0320},
        {  2048000,  11289600,  0xf637},
        {  3686400,  11289600,  0x2f22},
        { 12000000,  11289600,  0x3e2f},
        { 13000000,  11289600,  0x4d5b},
        { 13100000,  11289600,  0x363b},
        {  2048000,  16384000,  0x1ea0},
        {  3686400,  16384000,  0x9e27},
        { 12000000,  16384000,  0x452b},
        { 13000000,  16384000,  0x542f},
        { 13100000,  16384000,  0x03a0},
        {  2048000,  16934400,  0xe625},
        {  3686400,  16934400,  0x9126},
        { 12000000,  16934400,  0x4d2c},
        { 13000000,  16934400,  0x742f},
        { 13100000,  16934400,  0x3c27},
        {  2048000,  22579200,  0x2aa0},
        {  3686400,  22579200,  0x2f20},
        { 12000000,  22579200,  0x7e2f},
        { 13000000,  22579200,  0x742f},
        { 13100000,  22579200,  0x3c27},
        {  2048000,  24576000,  0x2ea0},
        {  3686400,  24576000,  0xee27},
        { 12000000,  24576000,  0x2915},
        { 13000000,  24576000,  0x772e},
        { 13100000,  24576000,  0x0d20},
};

/* FOUT = MCLK*(N+2)/((M+2)*(K+2))
   N: bit 15:8 (div 2 .. div 257)
   K: bit  6:4 typical 2
   M: bit  3:0 (div 2 .. div 17)

   same as for 5623 - thanks!
*/

static const struct _pll_div codec_slave_pll_div[] = {

        {  1024000,  16384000,  0x3ea0},
        {  1411200,  22579200,  0x3ea0},
        {  1536000,  24576000,  0x3ea0},
        {  2048000,  16384000,  0x1ea0},
        {  2822400,  22579200,  0x1ea0},
        {  3072000,  24576000,  0x1ea0},

};

static int alc5632_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
                int source, unsigned int freq_in, unsigned int freq_out)
{
        int i;
        struct snd_soc_component *component = codec_dai->component;
        int gbl_clk = 0, pll_div = 0;
        u16 reg;

        if (pll_id < ALC5632_PLL_FR_MCLK || pll_id > ALC5632_PLL_FR_VBCLK)
                return -EINVAL;

        /* Disable PLL power */
        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_PWR_ADD2_PLL1,
                                0);
        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_PWR_ADD2_PLL2,
                                0);

        /* pll is not used in slave mode */
        reg = snd_soc_component_read(component, ALC5632_DAI_CONTROL);
        if (reg & ALC5632_DAI_SDP_SLAVE_MODE)
                return 0;

        if (!freq_in || !freq_out)
                return 0;

        switch (pll_id) {
        case ALC5632_PLL_FR_MCLK:
                for (i = 0; i < ARRAY_SIZE(codec_master_pll_div); i++) {
                        if (codec_master_pll_div[i].pll_in == freq_in
                           && codec_master_pll_div[i].pll_out == freq_out) {
                                /* PLL source from MCLK */
                                pll_div  = codec_master_pll_div[i].regvalue;
                                break;
                        }
                }
                break;
        case ALC5632_PLL_FR_BCLK:
                for (i = 0; i < ARRAY_SIZE(codec_slave_pll_div); i++) {
                        if (codec_slave_pll_div[i].pll_in == freq_in
                           && codec_slave_pll_div[i].pll_out == freq_out) {
                                /* PLL source from Bitclk */
                                gbl_clk = ALC5632_PLL_FR_BCLK;
                                pll_div = codec_slave_pll_div[i].regvalue;
                                break;
                        }
                }
                break;
        case ALC5632_PLL_FR_VBCLK:
                for (i = 0; i < ARRAY_SIZE(codec_slave_pll_div); i++) {
                        if (codec_slave_pll_div[i].pll_in == freq_in
                           && codec_slave_pll_div[i].pll_out == freq_out) {
                                /* PLL source from voice clock */
                                gbl_clk = ALC5632_PLL_FR_VBCLK;
                                pll_div = codec_slave_pll_div[i].regvalue;
                                break;
                        }
                }
                break;
        default:
                return -EINVAL;
        }

        if (!pll_div)
                return -EINVAL;

        /* choose MCLK/BCLK/VBCLK */
        snd_soc_component_write(component, ALC5632_GPCR2, gbl_clk);
        /* choose PLL1 clock rate */
        snd_soc_component_write(component, ALC5632_PLL1_CTRL, pll_div);
        /* enable PLL1 */
        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_PWR_ADD2_PLL1,
                                ALC5632_PWR_ADD2_PLL1);
        /* enable PLL2 */
        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_PWR_ADD2_PLL2,
                                ALC5632_PWR_ADD2_PLL2);
        /* use PLL1 as main SYSCLK */
        snd_soc_component_update_bits(component, ALC5632_GPCR1,
                        ALC5632_GPCR1_CLK_SYS_SRC_SEL_PLL1,
                        ALC5632_GPCR1_CLK_SYS_SRC_SEL_PLL1);

        return 0;
}

struct _coeff_div {
        u16 fs;
        u16 regvalue;
};

/* codec hifi mclk (after PLL) clock divider coefficients */
/* values inspired from column BCLK=32Fs of Appendix A table */
static const struct _coeff_div coeff_div[] = {
        {512*1, 0x3075},
};

static int get_coeff(struct snd_soc_component *component, int rate)
{
        struct alc5632_priv *alc5632 = snd_soc_component_get_drvdata(component);
        int i;

        for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
                if (coeff_div[i].fs * rate == alc5632->sysclk)
                        return i;
        }
        return -EINVAL;
}

/*
 * Clock after PLL and dividers
 */
static int alc5632_set_dai_sysclk(struct snd_soc_dai *codec_dai,
                int clk_id, unsigned int freq, int dir)
{
        struct snd_soc_component *component = codec_dai->component;
        struct alc5632_priv *alc5632 = snd_soc_component_get_drvdata(component);

        switch (freq) {
        case  4096000:
        case  8192000:
        case 11289600:
        case 12288000:
        case 16384000:
        case 16934400:
        case 18432000:
        case 22579200:
        case 24576000:
                alc5632->sysclk = freq;
                return 0;
        }
        return -EINVAL;
}

static int alc5632_set_dai_fmt(struct snd_soc_dai *codec_dai,
                unsigned int fmt)
{
        struct snd_soc_component *component = codec_dai->component;
        u16 iface = 0;

        /* set audio interface clocking */
        switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
                iface = ALC5632_DAI_SDP_MASTER_MODE;
                break;
        case SND_SOC_DAIFMT_CBC_CFC:
                iface = ALC5632_DAI_SDP_SLAVE_MODE;
                break;
        default:
                return -EINVAL;
        }

        /* interface format */
        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
                iface |= ALC5632_DAI_I2S_DF_I2S;
                break;
        case SND_SOC_DAIFMT_LEFT_J:
                iface |= ALC5632_DAI_I2S_DF_LEFT;
                break;
        case SND_SOC_DAIFMT_DSP_A:
                iface |= ALC5632_DAI_I2S_DF_PCM_A;
                break;
        case SND_SOC_DAIFMT_DSP_B:
                iface |= ALC5632_DAI_I2S_DF_PCM_B;
                break;
        default:
                return -EINVAL;
        }

        /* clock inversion */
        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
        case SND_SOC_DAIFMT_NB_NF:
                break;
        case SND_SOC_DAIFMT_IB_IF:
                iface |= ALC5632_DAI_MAIN_I2S_BCLK_POL_CTRL;
                break;
        case SND_SOC_DAIFMT_IB_NF:
                iface |= ALC5632_DAI_MAIN_I2S_BCLK_POL_CTRL;
                break;
        case SND_SOC_DAIFMT_NB_IF:
                break;
        default:
                return -EINVAL;
        }

        return snd_soc_component_write(component, ALC5632_DAI_CONTROL, iface);
}

static int alc5632_pcm_hw_params(struct snd_pcm_substream *substream,
                struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
        struct snd_soc_component *component = dai->component;
        int coeff, rate;
        u16 iface;

        iface = snd_soc_component_read(component, ALC5632_DAI_CONTROL);
        iface &= ~ALC5632_DAI_I2S_DL_MASK;

        /* bit size */
        switch (params_width(params)) {
        case 16:
                iface |= ALC5632_DAI_I2S_DL_16;
                break;
        case 20:
                iface |= ALC5632_DAI_I2S_DL_20;
                break;
        case 24:
                iface |= ALC5632_DAI_I2S_DL_24;
                break;
        default:
                return -EINVAL;
        }

        /* set iface & srate */
        snd_soc_component_write(component, ALC5632_DAI_CONTROL, iface);
        rate = params_rate(params);
        coeff = get_coeff(component, rate);
        if (coeff < 0)
                return -EINVAL;

        coeff = coeff_div[coeff].regvalue;
        snd_soc_component_write(component, ALC5632_DAC_CLK_CTRL1, coeff);

        return 0;
}

static int alc5632_mute(struct snd_soc_dai *dai, int mute, int direction)
{
        struct snd_soc_component *component = dai->component;
        u16 hp_mute = ALC5632_MISC_HP_DEPOP_MUTE_L
                                                |ALC5632_MISC_HP_DEPOP_MUTE_R;
        u16 mute_reg = snd_soc_component_read(component, ALC5632_MISC_CTRL) & ~hp_mute;

        if (mute)
                mute_reg |= hp_mute;

        return snd_soc_component_write(component, ALC5632_MISC_CTRL, mute_reg);
}

#define ALC5632_ADD2_POWER_EN (ALC5632_PWR_ADD2_VREF)

#define ALC5632_ADD3_POWER_EN (ALC5632_PWR_ADD3_MIC1_BOOST_AD)

#define ALC5632_ADD1_POWER_EN \
                (ALC5632_PWR_ADD1_DAC_REF \
                | ALC5632_PWR_ADD1_SOFTGEN_EN \
                | ALC5632_PWR_ADD1_HP_OUT_AMP \
                | ALC5632_PWR_ADD1_HP_OUT_ENH_AMP \
                | ALC5632_PWR_ADD1_MAIN_BIAS)

static void enable_power_depop(struct snd_soc_component *component)
{
        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD1,
                                ALC5632_PWR_ADD1_SOFTGEN_EN,
                                ALC5632_PWR_ADD1_SOFTGEN_EN);

        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD3,
                                ALC5632_ADD3_POWER_EN,
                                ALC5632_ADD3_POWER_EN);

        snd_soc_component_update_bits(component, ALC5632_MISC_CTRL,
                                ALC5632_MISC_HP_DEPOP_MODE2_EN,
                                ALC5632_MISC_HP_DEPOP_MODE2_EN);

        /* "normal" mode: 0 @ 26 */
        /* set all PR0-7 mixers to 0 */
        snd_soc_component_update_bits(component, ALC5632_PWR_DOWN_CTRL_STATUS,
                                ALC5632_PWR_DOWN_CTRL_STATUS_MASK,
                                0);

        msleep(500);

        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_ADD2_POWER_EN,
                                ALC5632_ADD2_POWER_EN);

        snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD1,
                                ALC5632_ADD1_POWER_EN,
                                ALC5632_ADD1_POWER_EN);

        /* disable HP Depop2 */
        snd_soc_component_update_bits(component, ALC5632_MISC_CTRL,
                                ALC5632_MISC_HP_DEPOP_MODE2_EN,
                                0);

}

static int alc5632_set_bias_level(struct snd_soc_component *component,
                                      enum snd_soc_bias_level level)
{
        switch (level) {
        case SND_SOC_BIAS_ON:
                enable_power_depop(component);
                break;
        case SND_SOC_BIAS_PREPARE:
                break;
        case SND_SOC_BIAS_STANDBY:
                /* everything off except vref/vmid, */
                snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD1,
                                ALC5632_PWR_MANAG_ADD1_MASK,
                                ALC5632_PWR_ADD1_MAIN_BIAS);
                snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_PWR_MANAG_ADD2_MASK,
                                ALC5632_PWR_ADD2_VREF);
                /* "normal" mode: 0 @ 26 */
                snd_soc_component_update_bits(component, ALC5632_PWR_DOWN_CTRL_STATUS,
                                ALC5632_PWR_DOWN_CTRL_STATUS_MASK,
                                0xffff ^ (ALC5632_PWR_VREF_PR3
                                | ALC5632_PWR_VREF_PR2));
                break;
        case SND_SOC_BIAS_OFF:
                /* everything off, dac mute, inactive */
                snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD2,
                                ALC5632_PWR_MANAG_ADD2_MASK, 0);
                snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD3,
                                ALC5632_PWR_MANAG_ADD3_MASK, 0);
                snd_soc_component_update_bits(component, ALC5632_PWR_MANAG_ADD1,
                                ALC5632_PWR_MANAG_ADD1_MASK, 0);
                break;
        }
        return 0;
}

#define ALC5632_FORMATS (SNDRV_PCM_FMTBIT_S16_LE \
                        | SNDRV_PCM_FMTBIT_S24_LE \
                        | SNDRV_PCM_FMTBIT_S32_LE)

static const struct snd_soc_dai_ops alc5632_dai_ops = {
                .hw_params = alc5632_pcm_hw_params,
                .mute_stream = alc5632_mute,
                .set_fmt = alc5632_set_dai_fmt,
                .set_sysclk = alc5632_set_dai_sysclk,
                .set_pll = alc5632_set_dai_pll,
                .no_capture_mute = 1,
};

static struct snd_soc_dai_driver alc5632_dai = {
        .name = "alc5632-hifi",
        .playback = {
                .stream_name = "HiFi Playback",
                .channels_min = 1,
                .channels_max = 2,
                .rate_min =     8000,
                .rate_max =     48000,
                .rates = SNDRV_PCM_RATE_8000_48000,
                .formats = ALC5632_FORMATS,},
        .capture = {
                .stream_name = "HiFi Capture",
                .channels_min = 1,
                .channels_max = 2,
                .rate_min =     8000,
                .rate_max =     48000,
                .rates = SNDRV_PCM_RATE_8000_48000,
                .formats = ALC5632_FORMATS,},

        .ops = &alc5632_dai_ops,
        .symmetric_rate = 1,
};

#ifdef CONFIG_PM
static int alc5632_resume(struct snd_soc_component *component)
{
        struct alc5632_priv *alc5632 = snd_soc_component_get_drvdata(component);

        regcache_sync(alc5632->regmap);

        return 0;
}
#else
#define alc5632_resume  NULL
#endif

static int alc5632_probe(struct snd_soc_component *component)
{
        struct alc5632_priv *alc5632 = snd_soc_component_get_drvdata(component);

        switch (alc5632->id) {
        case 0x5c:
                snd_soc_add_component_controls(component, alc5632_vol_snd_controls,
                        ARRAY_SIZE(alc5632_vol_snd_controls));
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

static const struct snd_soc_component_driver soc_component_device_alc5632 = {
        .probe                  = alc5632_probe,
        .resume                 = alc5632_resume,
        .set_bias_level         = alc5632_set_bias_level,
        .controls               = alc5632_snd_controls,
        .num_controls           = ARRAY_SIZE(alc5632_snd_controls),
        .dapm_widgets           = alc5632_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(alc5632_dapm_widgets),
        .dapm_routes            = alc5632_dapm_routes,
        .num_dapm_routes        = ARRAY_SIZE(alc5632_dapm_routes),
        .suspend_bias_off       = 1,
        .idle_bias_on           = 1,
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static const struct regmap_config alc5632_regmap = {
        .reg_bits = 8,
        .val_bits = 16,

        .max_register = ALC5632_MAX_REGISTER,
        .reg_defaults = alc5632_reg_defaults,
        .num_reg_defaults = ARRAY_SIZE(alc5632_reg_defaults),
        .volatile_reg = alc5632_volatile_register,
        .cache_type = REGCACHE_RBTREE,
};

static const struct i2c_device_id alc5632_i2c_table[] = {
        {"alc5632", 0x5c},
        {}
};
MODULE_DEVICE_TABLE(i2c, alc5632_i2c_table);

/*
 * alc5632 2 wire address is determined by A1 pin
 * state during powerup.
 *    low  = 0x1a
 *    high = 0x1b
 */
static int alc5632_i2c_probe(struct i2c_client *client)
{
        struct alc5632_priv *alc5632;
        int ret, ret1, ret2;
        unsigned int vid1, vid2;
        unsigned int matched_id;

        alc5632 = devm_kzalloc(&client->dev,
                         sizeof(struct alc5632_priv), GFP_KERNEL);
        if (alc5632 == NULL)
                return -ENOMEM;

        i2c_set_clientdata(client, alc5632);

        alc5632->regmap = devm_regmap_init_i2c(client, &alc5632_regmap);
        if (IS_ERR(alc5632->regmap)) {
                ret = PTR_ERR(alc5632->regmap);
                dev_err(&client->dev, "regmap_init() failed: %d\n", ret);
                return ret;
        }

        ret1 = regmap_read(alc5632->regmap, ALC5632_VENDOR_ID1, &vid1);
        ret2 = regmap_read(alc5632->regmap, ALC5632_VENDOR_ID2, &vid2);
        if (ret1 != 0 || ret2 != 0) {
                dev_err(&client->dev,
                "Failed to read chip ID: ret1=%d, ret2=%d\n", ret1, ret2);
                return -EIO;
        }

        vid2 >>= 8;

        matched_id = (uintptr_t)i2c_get_match_data(client);

        if ((vid1 != 0x10EC) || (vid2 != matched_id)) {
                dev_err(&client->dev,
                "Device is not a ALC5632: VID1=0x%x, VID2=0x%x\n", vid1, vid2);
                return -EINVAL;
        }

        ret = alc5632_reset(alc5632->regmap);
        if (ret < 0) {
                dev_err(&client->dev, "Failed to issue reset\n");
                return ret;
        }

        alc5632->id = vid2;
        switch (alc5632->id) {
        case 0x5c:
                alc5632_dai.name = "alc5632-hifi";
                break;
        default:
                return -EINVAL;
        }

        ret = devm_snd_soc_register_component(&client->dev,
                &soc_component_device_alc5632, &alc5632_dai, 1);

        if (ret < 0) {
                dev_err(&client->dev, "Failed to register component: %d\n", ret);
                return ret;
        }

        return ret;
}

#ifdef CONFIG_OF
static const struct of_device_id alc5632_of_match[] = {
        { .compatible = "realtek,alc5632", },
        { }
};
MODULE_DEVICE_TABLE(of, alc5632_of_match);
#endif

/* i2c codec control layer */
static struct i2c_driver alc5632_i2c_driver = {
        .driver = {
                .name = "alc5632",
                .of_match_table = of_match_ptr(alc5632_of_match),
        },
        .probe = alc5632_i2c_probe,
        .id_table = alc5632_i2c_table,
};

module_i2c_driver(alc5632_i2c_driver);

MODULE_DESCRIPTION("ASoC ALC5632 driver");
MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
MODULE_LICENSE("GPL");