root/sound/soc/codecs/cs42l73.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * cs42l73.c  --  CS42L73 ALSA Soc Audio driver
 *
 * Copyright 2011 Cirrus Logic, Inc.
 *
 * Authors: Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>
 *          Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>
 */

#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include "cirrus_legacy.h"
#include "cs42l73.h"

struct cs42l73_platform_data {
        /* RST GPIO */
        struct gpio_desc *reset_gpio;
        unsigned int chgfreq;
        int jack_detection;
        unsigned int mclk_freq;
};

struct sp_config {
        u8 spc, mmcc, spfs;
        u32 srate;
};
struct  cs42l73_private {
        struct cs42l73_platform_data pdata;
        struct sp_config config[3];
        struct regmap *regmap;
        u32 sysclk;
        u8 mclksel;
        u32 mclk;
        int shutdwn_delay;
};

static const struct reg_default cs42l73_reg_defaults[] = {
        { 6, 0xF1 },    /* r06  - Power Ctl 1 */
        { 7, 0xDF },    /* r07  - Power Ctl 2 */
        { 8, 0x3F },    /* r08  - Power Ctl 3 */
        { 9, 0x50 },    /* r09  - Charge Pump Freq */
        { 10, 0x53 },   /* r0A  - Output Load MicBias Short Detect */
        { 11, 0x00 },   /* r0B  - DMIC Master Clock Ctl */
        { 12, 0x00 },   /* r0C  - Aux PCM Ctl */
        { 13, 0x15 },   /* r0D  - Aux PCM Master Clock Ctl */
        { 14, 0x00 },   /* r0E  - Audio PCM Ctl */
        { 15, 0x15 },   /* r0F  - Audio PCM Master Clock Ctl */
        { 16, 0x00 },   /* r10  - Voice PCM Ctl */
        { 17, 0x15 },   /* r11  - Voice PCM Master Clock Ctl */
        { 18, 0x00 },   /* r12  - Voice/Aux Sample Rate */
        { 19, 0x06 },   /* r13  - Misc I/O Path Ctl */
        { 20, 0x00 },   /* r14  - ADC Input Path Ctl */
        { 21, 0x00 },   /* r15  - MICA Preamp, PGA Volume */
        { 22, 0x00 },   /* r16  - MICB Preamp, PGA Volume */
        { 23, 0x00 },   /* r17  - Input Path A Digital Volume */
        { 24, 0x00 },   /* r18  - Input Path B Digital Volume */
        { 25, 0x00 },   /* r19  - Playback Digital Ctl */
        { 26, 0x00 },   /* r1A  - HP/LO Left Digital Volume */
        { 27, 0x00 },   /* r1B  - HP/LO Right Digital Volume */
        { 28, 0x00 },   /* r1C  - Speakerphone Digital Volume */
        { 29, 0x00 },   /* r1D  - Ear/SPKLO Digital Volume */
        { 30, 0x00 },   /* r1E  - HP Left Analog Volume */
        { 31, 0x00 },   /* r1F  - HP Right Analog Volume */
        { 32, 0x00 },   /* r20  - LO Left Analog Volume */
        { 33, 0x00 },   /* r21  - LO Right Analog Volume */
        { 34, 0x00 },   /* r22  - Stereo Input Path Advisory Volume */
        { 35, 0x00 },   /* r23  - Aux PCM Input Advisory Volume */
        { 36, 0x00 },   /* r24  - Audio PCM Input Advisory Volume */
        { 37, 0x00 },   /* r25  - Voice PCM Input Advisory Volume */
        { 38, 0x00 },   /* r26  - Limiter Attack Rate HP/LO */
        { 39, 0x7F },   /* r27  - Limter Ctl, Release Rate HP/LO */
        { 40, 0x00 },   /* r28  - Limter Threshold HP/LO */
        { 41, 0x00 },   /* r29  - Limiter Attack Rate Speakerphone */
        { 42, 0x3F },   /* r2A  - Limter Ctl, Release Rate Speakerphone */
        { 43, 0x00 },   /* r2B  - Limter Threshold Speakerphone */
        { 44, 0x00 },   /* r2C  - Limiter Attack Rate Ear/SPKLO */
        { 45, 0x3F },   /* r2D  - Limter Ctl, Release Rate Ear/SPKLO */
        { 46, 0x00 },   /* r2E  - Limter Threshold Ear/SPKLO */
        { 47, 0x00 },   /* r2F  - ALC Enable, Attack Rate Left/Right */
        { 48, 0x3F },   /* r30  - ALC Release Rate Left/Right */
        { 49, 0x00 },   /* r31  - ALC Threshold Left/Right */
        { 50, 0x00 },   /* r32  - Noise Gate Ctl Left/Right */
        { 51, 0x00 },   /* r33  - ALC/NG Misc Ctl */
        { 52, 0x18 },   /* r34  - Mixer Ctl */
        { 53, 0x3F },   /* r35  - HP/LO Left Mixer Input Path Volume */
        { 54, 0x3F },   /* r36  - HP/LO Right Mixer Input Path Volume */
        { 55, 0x3F },   /* r37  - HP/LO Left Mixer Aux PCM Volume */
        { 56, 0x3F },   /* r38  - HP/LO Right Mixer Aux PCM Volume */
        { 57, 0x3F },   /* r39  - HP/LO Left Mixer Audio PCM Volume */
        { 58, 0x3F },   /* r3A  - HP/LO Right Mixer Audio PCM Volume */
        { 59, 0x3F },   /* r3B  - HP/LO Left Mixer Voice PCM Mono Volume */
        { 60, 0x3F },   /* r3C  - HP/LO Right Mixer Voice PCM Mono Volume */
        { 61, 0x3F },   /* r3D  - Aux PCM Left Mixer Input Path Volume */
        { 62, 0x3F },   /* r3E  - Aux PCM Right Mixer Input Path Volume */
        { 63, 0x3F },   /* r3F  - Aux PCM Left Mixer Volume */
        { 64, 0x3F },   /* r40  - Aux PCM Left Mixer Volume */
        { 65, 0x3F },   /* r41  - Aux PCM Left Mixer Audio PCM L Volume */
        { 66, 0x3F },   /* r42  - Aux PCM Right Mixer Audio PCM R Volume */
        { 67, 0x3F },   /* r43  - Aux PCM Left Mixer Voice PCM Volume */
        { 68, 0x3F },   /* r44  - Aux PCM Right Mixer Voice PCM Volume */
        { 69, 0x3F },   /* r45  - Audio PCM Left Input Path Volume */
        { 70, 0x3F },   /* r46  - Audio PCM Right Input Path Volume */
        { 71, 0x3F },   /* r47  - Audio PCM Left Mixer Aux PCM L Volume */
        { 72, 0x3F },   /* r48  - Audio PCM Right Mixer Aux PCM R Volume */
        { 73, 0x3F },   /* r49  - Audio PCM Left Mixer Volume */
        { 74, 0x3F },   /* r4A  - Audio PCM Right Mixer Volume */
        { 75, 0x3F },   /* r4B  - Audio PCM Left Mixer Voice PCM Volume */
        { 76, 0x3F },   /* r4C  - Audio PCM Right Mixer Voice PCM Volume */
        { 77, 0x3F },   /* r4D  - Voice PCM Left Input Path Volume */
        { 78, 0x3F },   /* r4E  - Voice PCM Right Input Path Volume */
        { 79, 0x3F },   /* r4F  - Voice PCM Left Mixer Aux PCM L Volume */
        { 80, 0x3F },   /* r50  - Voice PCM Right Mixer Aux PCM R Volume */
        { 81, 0x3F },   /* r51  - Voice PCM Left Mixer Audio PCM L Volume */
        { 82, 0x3F },   /* r52  - Voice PCM Right Mixer Audio PCM R Volume */
        { 83, 0x3F },   /* r53  - Voice PCM Left Mixer Voice PCM Volume */
        { 84, 0x3F },   /* r54  - Voice PCM Right Mixer Voice PCM Volume */
        { 85, 0xAA },   /* r55  - Mono Mixer Ctl */
        { 86, 0x3F },   /* r56  - SPK Mono Mixer Input Path Volume */
        { 87, 0x3F },   /* r57  - SPK Mono Mixer Aux PCM Mono/L/R Volume */
        { 88, 0x3F },   /* r58  - SPK Mono Mixer Audio PCM Mono/L/R Volume */
        { 89, 0x3F },   /* r59  - SPK Mono Mixer Voice PCM Mono Volume */
        { 90, 0x3F },   /* r5A  - SPKLO Mono Mixer Input Path Mono Volume */
        { 91, 0x3F },   /* r5B  - SPKLO Mono Mixer Aux Mono/L/R Volume */
        { 92, 0x3F },   /* r5C  - SPKLO Mono Mixer Audio Mono/L/R Volume */
        { 93, 0x3F },   /* r5D  - SPKLO Mono Mixer Voice Mono Volume */
        { 94, 0x00 },   /* r5E  - Interrupt Mask 1 */
        { 95, 0x00 },   /* r5F  - Interrupt Mask 2 */
};

static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case CS42L73_IS1:
        case CS42L73_IS2:
                return true;
        default:
                return false;
        }
}

static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case CS42L73_DEVID_AB ... CS42L73_DEVID_E:
        case CS42L73_REVID ... CS42L73_IM2:
                return true;
        default:
                return false;
        }
}

static const DECLARE_TLV_DB_RANGE(hpaloa_tlv,
        0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
        14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0)
);

static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);

static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);

static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);

static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);

static const DECLARE_TLV_DB_RANGE(limiter_tlv,
        0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
        3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
);

static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);

static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };

static SOC_ENUM_SINGLE_DECL(pgaa_enum,
                            CS42L73_ADCIPC, 3,
                            cs42l73_pgaa_text);

static SOC_ENUM_SINGLE_DECL(pgab_enum,
                            CS42L73_ADCIPC, 7,
                            cs42l73_pgab_text);

static const struct snd_kcontrol_new pgaa_mux =
        SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);

static const struct snd_kcontrol_new pgab_mux =
        SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);

static const struct snd_kcontrol_new input_left_mixer[] = {
        SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
                        5, 1, 1),
        SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
                        4, 1, 1),
};

static const struct snd_kcontrol_new input_right_mixer[] = {
        SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
                        7, 1, 1),
        SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
                        6, 1, 1),
};

static const char * const cs42l73_ng_delay_text[] = {
        "50ms", "100ms", "150ms", "200ms" };

static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
                            CS42L73_NGCAB, 0,
                            cs42l73_ng_delay_text);

static const char * const cs42l73_mono_mix_texts[] = {
        "Left", "Right", "Mono Mix"};

static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };

static const struct soc_enum spk_asp_enum =
        SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 3,
                              ARRAY_SIZE(cs42l73_mono_mix_texts),
                              cs42l73_mono_mix_texts,
                              cs42l73_mono_mix_values);

static const struct snd_kcontrol_new spk_asp_mixer =
        SOC_DAPM_ENUM("Route", spk_asp_enum);

static const struct soc_enum spk_xsp_enum =
        SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
                              ARRAY_SIZE(cs42l73_mono_mix_texts),
                              cs42l73_mono_mix_texts,
                              cs42l73_mono_mix_values);

static const struct snd_kcontrol_new spk_xsp_mixer =
        SOC_DAPM_ENUM("Route", spk_xsp_enum);

static const struct soc_enum esl_asp_enum =
        SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 3,
                              ARRAY_SIZE(cs42l73_mono_mix_texts),
                              cs42l73_mono_mix_texts,
                              cs42l73_mono_mix_values);

static const struct snd_kcontrol_new esl_asp_mixer =
        SOC_DAPM_ENUM("Route", esl_asp_enum);

static const struct soc_enum esl_xsp_enum =
        SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 3,
                              ARRAY_SIZE(cs42l73_mono_mix_texts),
                              cs42l73_mono_mix_texts,
                              cs42l73_mono_mix_values);

static const struct snd_kcontrol_new esl_xsp_mixer =
        SOC_DAPM_ENUM("Route", esl_xsp_enum);

static const char * const cs42l73_ip_swap_text[] = {
        "Stereo", "Mono A", "Mono B", "Swap A-B"};

static SOC_ENUM_SINGLE_DECL(ip_swap_enum,
                            CS42L73_MIOPC, 6,
                            cs42l73_ip_swap_text);

static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};

static SOC_ENUM_SINGLE_DECL(vsp_output_mux_enum,
                            CS42L73_MIXERCTL, 5,
                            cs42l73_spo_mixer_text);

static SOC_ENUM_SINGLE_DECL(xsp_output_mux_enum,
                            CS42L73_MIXERCTL, 4,
                            cs42l73_spo_mixer_text);

static const struct snd_kcontrol_new hp_amp_ctl =
        SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);

static const struct snd_kcontrol_new lo_amp_ctl =
        SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);

static const struct snd_kcontrol_new spk_amp_ctl =
        SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);

static const struct snd_kcontrol_new spklo_amp_ctl =
        SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);

static const struct snd_kcontrol_new ear_amp_ctl =
        SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);

static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
        SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
                        CS42L73_HPAAVOL, CS42L73_HPBAVOL, 0,
                        0x41, 0x4B, hpaloa_tlv),

        SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
                        CS42L73_LOBAVOL, 0, 0x41, 0x4B, hpaloa_tlv),

        SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
                        CS42L73_MICBPREPGABVOL, 0, 0x34,
                        0x24, micpga_tlv),

        SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
                        CS42L73_MICBPREPGABVOL, 6, 1, 1),

        SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
                        CS42L73_IPBDVOL, 0, 0xA0, 0x6C, ipd_tlv),

        SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
                        CS42L73_HLADVOL, CS42L73_HLBDVOL,
                        0, 0x34, 0xE4, hl_tlv),

        SOC_SINGLE_TLV("ADC A Boost Volume",
                        CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),

        SOC_SINGLE_TLV("ADC B Boost Volume",
                       CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),

        SOC_SINGLE_SX_TLV("Speakerphone Digital Volume",
                            CS42L73_SPKDVOL, 0, 0x34, 0xE4, hl_tlv),

        SOC_SINGLE_SX_TLV("Ear Speaker Digital Volume",
                            CS42L73_ESLDVOL, 0, 0x34, 0xE4, hl_tlv),

        SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
                        CS42L73_HPBAVOL, 7, 1, 1),

        SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
                        CS42L73_LOBAVOL, 7, 1, 1),
        SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
        SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
                        1, 1, 1),
        SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
                        1),
        SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
                        1),

        SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
        SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
        SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
        SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),

        SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
                        0),

        SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
                        0),
        SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
                        0x3F, 0),


        SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
        SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
                        0),

        SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
                        1, limiter_tlv),

        SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
                        limiter_tlv),

        SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
                        0x3F, 0),
        SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
                        0x3F, 0),
        SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
        SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
                        6, 1, 0),
        SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
                        7, 1, limiter_tlv),

        SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
                        limiter_tlv),

        SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
                        0x3F, 0),
        SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
                        0x3F, 0),
        SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
        SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
                        7, 1, limiter_tlv),

        SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
                        limiter_tlv),

        SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
        SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
        SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
        SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
                        limiter_tlv),
        SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
                        limiter_tlv),

        SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
        SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
        /*
            NG Threshold depends on NG_BOOTSAB, which selects
            between two threshold scales in decibels.
            Set linear values for now ..
        */
        SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
        SOC_ENUM("NG Delay", ng_delay_enum),

        SOC_DOUBLE_R_TLV("XSP-IP Volume",
                        CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("XSP-XSP Volume",
                        CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("XSP-ASP Volume",
                        CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("XSP-VSP Volume",
                        CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
                        attn_tlv),

        SOC_DOUBLE_R_TLV("ASP-IP Volume",
                        CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("ASP-XSP Volume",
                        CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("ASP-ASP Volume",
                        CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("ASP-VSP Volume",
                        CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
                        attn_tlv),

        SOC_DOUBLE_R_TLV("VSP-IP Volume",
                        CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("VSP-XSP Volume",
                        CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("VSP-ASP Volume",
                        CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("VSP-VSP Volume",
                        CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
                        attn_tlv),

        SOC_DOUBLE_R_TLV("HL-IP Volume",
                        CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("HL-XSP Volume",
                        CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("HL-ASP Volume",
                        CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
                        attn_tlv),
        SOC_DOUBLE_R_TLV("HL-VSP Volume",
                        CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
                        attn_tlv),

        SOC_SINGLE_TLV("SPK-IP Mono Volume",
                        CS42L73_SPKMIPMA, 0, 0x3F, 1, attn_tlv),
        SOC_SINGLE_TLV("SPK-XSP Mono Volume",
                        CS42L73_SPKMXSPA, 0, 0x3F, 1, attn_tlv),
        SOC_SINGLE_TLV("SPK-ASP Mono Volume",
                        CS42L73_SPKMASPA, 0, 0x3F, 1, attn_tlv),
        SOC_SINGLE_TLV("SPK-VSP Mono Volume",
                        CS42L73_SPKMVSPMA, 0, 0x3F, 1, attn_tlv),

        SOC_SINGLE_TLV("ESL-IP Mono Volume",
                        CS42L73_ESLMIPMA, 0, 0x3F, 1, attn_tlv),
        SOC_SINGLE_TLV("ESL-XSP Mono Volume",
                        CS42L73_ESLMXSPA, 0, 0x3F, 1, attn_tlv),
        SOC_SINGLE_TLV("ESL-ASP Mono Volume",
                        CS42L73_ESLMASPA, 0, 0x3F, 1, attn_tlv),
        SOC_SINGLE_TLV("ESL-VSP Mono Volume",
                        CS42L73_ESLMVSPMA, 0, 0x3F, 1, attn_tlv),

        SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),

        SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
        SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
};

static int cs42l73_spklo_spk_amp_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);
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
        switch (event) {
        case SND_SOC_DAPM_POST_PMD:
                /* 150 ms delay between setting PDN and MCLKDIS */
                priv->shutdwn_delay = 150;
                break;
        default:
                pr_err("Invalid event = 0x%x\n", event);
        }
        return 0;
}

static int cs42l73_ear_amp_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);
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
        switch (event) {
        case SND_SOC_DAPM_POST_PMD:
                /* 50 ms delay between setting PDN and MCLKDIS */
                if (priv->shutdwn_delay < 50)
                        priv->shutdwn_delay = 50;
                break;
        default:
                pr_err("Invalid event = 0x%x\n", event);
        }
        return 0;
}


static int cs42l73_hp_amp_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);
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
        switch (event) {
        case SND_SOC_DAPM_POST_PMD:
                /* 30 ms delay between setting PDN and MCLKDIS */
                if (priv->shutdwn_delay < 30)
                        priv->shutdwn_delay = 30;
                break;
        default:
                pr_err("Invalid event = 0x%x\n", event);
        }
        return 0;
}

static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
        SND_SOC_DAPM_INPUT("DMICA"),
        SND_SOC_DAPM_INPUT("DMICB"),
        SND_SOC_DAPM_INPUT("LINEINA"),
        SND_SOC_DAPM_INPUT("LINEINB"),
        SND_SOC_DAPM_INPUT("MIC1"),
        SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
        SND_SOC_DAPM_INPUT("MIC2"),
        SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),

        SND_SOC_DAPM_AIF_OUT("XSPOUTL", NULL,  0,
                        CS42L73_PWRCTL2, 1, 1),
        SND_SOC_DAPM_AIF_OUT("XSPOUTR", NULL,  0,
                        CS42L73_PWRCTL2, 1, 1),
        SND_SOC_DAPM_AIF_OUT("ASPOUTL", NULL,  0,
                        CS42L73_PWRCTL2, 3, 1),
        SND_SOC_DAPM_AIF_OUT("ASPOUTR", NULL,  0,
                        CS42L73_PWRCTL2, 3, 1),
        SND_SOC_DAPM_AIF_OUT("VSPINOUT", NULL,  0,
                        CS42L73_PWRCTL2, 4, 1),

        SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),

        SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
        SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),

        SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
        SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
        SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
        SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),

        SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
                         0, 0, input_left_mixer,
                         ARRAY_SIZE(input_left_mixer)),

        SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
                        0, 0, input_right_mixer,
                        ARRAY_SIZE(input_right_mixer)),

        SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("VSP Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),

        SND_SOC_DAPM_AIF_IN("XSPINL", NULL, 0,
                                CS42L73_PWRCTL2, 0, 1),
        SND_SOC_DAPM_AIF_IN("XSPINR", NULL, 0,
                                CS42L73_PWRCTL2, 0, 1),
        SND_SOC_DAPM_AIF_IN("XSPINM", NULL, 0,
                                CS42L73_PWRCTL2, 0, 1),

        SND_SOC_DAPM_AIF_IN("ASPINL", NULL, 0,
                                CS42L73_PWRCTL2, 2, 1),
        SND_SOC_DAPM_AIF_IN("ASPINR", NULL, 0,
                                CS42L73_PWRCTL2, 2, 1),
        SND_SOC_DAPM_AIF_IN("ASPINM", NULL, 0,
                                CS42L73_PWRCTL2, 2, 1),

        SND_SOC_DAPM_AIF_IN("VSPINOUT", NULL, 0,
                                CS42L73_PWRCTL2, 4, 1),

        SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),

        SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
                         0, 0, &esl_xsp_mixer),

        SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
                         0, 0, &esl_asp_mixer),

        SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
                         0, 0, &spk_asp_mixer),

        SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
                         0, 0, &spk_xsp_mixer),

        SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),

        SND_SOC_DAPM_SWITCH_E("HP Amp",  CS42L73_PWRCTL3, 0, 1,
                            &hp_amp_ctl, cs42l73_hp_amp_event,
                        SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
                            &lo_amp_ctl),
        SND_SOC_DAPM_SWITCH_E("SPK Amp", CS42L73_PWRCTL3, 2, 1,
                        &spk_amp_ctl, cs42l73_spklo_spk_amp_event,
                        SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_SWITCH_E("EAR Amp", CS42L73_PWRCTL3, 3, 1,
                            &ear_amp_ctl, cs42l73_ear_amp_event,
                        SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_SWITCH_E("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
                            &spklo_amp_ctl, cs42l73_spklo_spk_amp_event,
                        SND_SOC_DAPM_POST_PMD),

        SND_SOC_DAPM_OUTPUT("HPOUTA"),
        SND_SOC_DAPM_OUTPUT("HPOUTB"),
        SND_SOC_DAPM_OUTPUT("LINEOUTA"),
        SND_SOC_DAPM_OUTPUT("LINEOUTB"),
        SND_SOC_DAPM_OUTPUT("EAROUT"),
        SND_SOC_DAPM_OUTPUT("SPKOUT"),
        SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
};

static const struct snd_soc_dapm_route cs42l73_audio_map[] = {

        /* SPKLO EARSPK Paths */
        {"EAROUT", NULL, "EAR Amp"},
        {"SPKLINEOUT", NULL, "SPKLO Amp"},

        {"EAR Amp", "Switch", "ESL DAC"},
        {"SPKLO Amp", "Switch", "ESL DAC"},

        {"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
        {"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
        {"ESL DAC", "ESL-VSP Mono Volume", "VSPINOUT"},
        /* Loopback */
        {"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
        {"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},

        {"ESL Mixer", NULL, "ESL-ASP Mux"},
        {"ESL Mixer", NULL, "ESL-XSP Mux"},

        {"ESL-ASP Mux", "Left", "ASPINL"},
        {"ESL-ASP Mux", "Right", "ASPINR"},
        {"ESL-ASP Mux", "Mono Mix", "ASPINM"},

        {"ESL-XSP Mux", "Left", "XSPINL"},
        {"ESL-XSP Mux", "Right", "XSPINR"},
        {"ESL-XSP Mux", "Mono Mix", "XSPINM"},

        /* Speakerphone Paths */
        {"SPKOUT", NULL, "SPK Amp"},
        {"SPK Amp", "Switch", "SPK DAC"},

        {"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
        {"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
        {"SPK DAC", "SPK-VSP Mono Volume", "VSPINOUT"},
        /* Loopback */
        {"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
        {"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},

        {"SPK Mixer", NULL, "SPK-ASP Mux"},
        {"SPK Mixer", NULL, "SPK-XSP Mux"},

        {"SPK-ASP Mux", "Left", "ASPINL"},
        {"SPK-ASP Mux", "Mono Mix", "ASPINM"},
        {"SPK-ASP Mux", "Right", "ASPINR"},

        {"SPK-XSP Mux", "Left", "XSPINL"},
        {"SPK-XSP Mux", "Mono Mix", "XSPINM"},
        {"SPK-XSP Mux", "Right", "XSPINR"},

        /* HP LineOUT Paths */
        {"HPOUTA", NULL, "HP Amp"},
        {"HPOUTB", NULL, "HP Amp"},
        {"LINEOUTA", NULL, "LO Amp"},
        {"LINEOUTB", NULL, "LO Amp"},

        {"HP Amp", "Switch", "HL Left DAC"},
        {"HP Amp", "Switch", "HL Right DAC"},
        {"LO Amp", "Switch", "HL Left DAC"},
        {"LO Amp", "Switch", "HL Right DAC"},

        {"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
        {"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
        {"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
        {"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
        {"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
        {"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
        /* Loopback */
        {"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
        {"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
        {"HL Left Mixer", NULL, "Input Left Capture"},
        {"HL Right Mixer", NULL, "Input Right Capture"},

        {"HL Left Mixer", NULL, "ASPINL"},
        {"HL Right Mixer", NULL, "ASPINR"},
        {"HL Left Mixer", NULL, "XSPINL"},
        {"HL Right Mixer", NULL, "XSPINR"},
        {"HL Left Mixer", NULL, "VSPINOUT"},
        {"HL Right Mixer", NULL, "VSPINOUT"},

        {"ASPINL", NULL, "ASP Playback"},
        {"ASPINM", NULL, "ASP Playback"},
        {"ASPINR", NULL, "ASP Playback"},
        {"XSPINL", NULL, "XSP Playback"},
        {"XSPINM", NULL, "XSP Playback"},
        {"XSPINR", NULL, "XSP Playback"},
        {"VSPINOUT", NULL, "VSP Playback"},

        /* Capture Paths */
        {"MIC1", NULL, "MIC1 Bias"},
        {"PGA Left Mux", "Mic 1", "MIC1"},
        {"MIC2", NULL, "MIC2 Bias"},
        {"PGA Right Mux", "Mic 2", "MIC2"},

        {"PGA Left Mux", "Line A", "LINEINA"},
        {"PGA Right Mux", "Line B", "LINEINB"},

        {"PGA Left", NULL, "PGA Left Mux"},
        {"PGA Right", NULL, "PGA Right Mux"},

        {"ADC Left", NULL, "PGA Left"},
        {"ADC Right", NULL, "PGA Right"},
        {"DMIC Left", NULL, "DMICA"},
        {"DMIC Right", NULL, "DMICB"},

        {"Input Left Capture", "ADC Left Input", "ADC Left"},
        {"Input Right Capture", "ADC Right Input", "ADC Right"},
        {"Input Left Capture", "DMIC Left Input", "DMIC Left"},
        {"Input Right Capture", "DMIC Right Input", "DMIC Right"},

        /* Audio Capture */
        {"ASPL Output Mixer", NULL, "Input Left Capture"},
        {"ASPR Output Mixer", NULL, "Input Right Capture"},

        {"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
        {"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},

        /* Auxillary Capture */
        {"XSPL Output Mixer", NULL, "Input Left Capture"},
        {"XSPR Output Mixer", NULL, "Input Right Capture"},

        {"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
        {"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},

        {"XSPOUTL", NULL, "XSPL Output Mixer"},
        {"XSPOUTR", NULL, "XSPR Output Mixer"},

        /* Voice Capture */
        {"VSP Output Mixer", NULL, "Input Left Capture"},
        {"VSP Output Mixer", NULL, "Input Right Capture"},

        {"VSPINOUT", "VSP-IP Volume", "VSP Output Mixer"},

        {"VSPINOUT", NULL, "VSP Output Mixer"},

        {"ASP Capture", NULL, "ASPOUTL"},
        {"ASP Capture", NULL, "ASPOUTR"},
        {"XSP Capture", NULL, "XSPOUTL"},
        {"XSP Capture", NULL, "XSPOUTR"},
        {"VSP Capture", NULL, "VSPINOUT"},
};

struct cs42l73_mclk_div {
        u32 mclk;
        u32 srate;
        u8 mmcc;
};

static const struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
        /* MCLK, Sample Rate, xMMCC[5:0] */
        {5644800, 11025, 0x30},
        {5644800, 22050, 0x20},
        {5644800, 44100, 0x10},

        {6000000,  8000, 0x39},
        {6000000, 11025, 0x33},
        {6000000, 12000, 0x31},
        {6000000, 16000, 0x29},
        {6000000, 22050, 0x23},
        {6000000, 24000, 0x21},
        {6000000, 32000, 0x19},
        {6000000, 44100, 0x13},
        {6000000, 48000, 0x11},

        {6144000,  8000, 0x38},
        {6144000, 12000, 0x30},
        {6144000, 16000, 0x28},
        {6144000, 24000, 0x20},
        {6144000, 32000, 0x18},
        {6144000, 48000, 0x10},

        {6500000,  8000, 0x3C},
        {6500000, 11025, 0x35},
        {6500000, 12000, 0x34},
        {6500000, 16000, 0x2C},
        {6500000, 22050, 0x25},
        {6500000, 24000, 0x24},
        {6500000, 32000, 0x1C},
        {6500000, 44100, 0x15},
        {6500000, 48000, 0x14},

        {6400000,  8000, 0x3E},
        {6400000, 11025, 0x37},
        {6400000, 12000, 0x36},
        {6400000, 16000, 0x2E},
        {6400000, 22050, 0x27},
        {6400000, 24000, 0x26},
        {6400000, 32000, 0x1E},
        {6400000, 44100, 0x17},
        {6400000, 48000, 0x16},
};

struct cs42l73_mclkx_div {
        u32 mclkx;
        u8 ratio;
        u8 mclkdiv;
};

static const struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
        {5644800,  1, 0},       /* 5644800 */
        {6000000,  1, 0},       /* 6000000 */
        {6144000,  1, 0},       /* 6144000 */
        {11289600, 2, 2},       /* 5644800 */
        {12288000, 2, 2},       /* 6144000 */
        {12000000, 2, 2},       /* 6000000 */
        {13000000, 2, 2},       /* 6500000 */
        {19200000, 3, 3},       /* 6400000 */
        {24000000, 4, 4},       /* 6000000 */
        {26000000, 4, 4},       /* 6500000 */
        {38400000, 6, 5}        /* 6400000 */
};

static int cs42l73_get_mclkx_coeff(int mclkx)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
                if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
                        return i;
        }
        return -EINVAL;
}

static int cs42l73_get_mclk_coeff(int mclk, int srate)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
                if (cs42l73_mclk_coeffs[i].mclk == mclk &&
                    cs42l73_mclk_coeffs[i].srate == srate)
                        return i;
        }
        return -EINVAL;

}

static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
{
        struct snd_soc_component *component = dai->component;
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);

        int mclkx_coeff;
        u32 mclk = 0;
        u8 dmmcc = 0;

        /* MCLKX -> MCLK */
        mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
        if (mclkx_coeff < 0)
                return mclkx_coeff;

        mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
                cs42l73_mclkx_coeffs[mclkx_coeff].ratio;

        dev_dbg(component->dev, "MCLK%u %u  <-> internal MCLK %u\n",
                 priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
                 mclk);

        dmmcc = (priv->mclksel << 4) |
                (cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);

        snd_soc_component_write(component, CS42L73_DMMCC, dmmcc);

        priv->sysclk = mclkx_coeff;
        priv->mclk = mclk;

        return 0;
}

static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
                              int clk_id, unsigned int freq, int dir)
{
        struct snd_soc_component *component = dai->component;
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);

        switch (clk_id) {
        case CS42L73_CLKID_MCLK1:
                break;
        case CS42L73_CLKID_MCLK2:
                break;
        default:
                return -EINVAL;
        }

        if ((cs42l73_set_mclk(dai, freq)) < 0) {
                dev_err(component->dev, "Unable to set MCLK for dai %s\n",
                        dai->name);
                return -EINVAL;
        }

        priv->mclksel = clk_id;

        return 0;
}

static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
        struct snd_soc_component *component = codec_dai->component;
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
        u8 id = codec_dai->id;
        unsigned int inv, format;
        u8 spc, mmcc;

        spc = snd_soc_component_read(component, CS42L73_SPC(id));
        mmcc = snd_soc_component_read(component, CS42L73_MMCC(id));

        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
                mmcc |= CS42L73_MS_MASTER;
                break;

        case SND_SOC_DAIFMT_CBC_CFC:
                mmcc &= ~CS42L73_MS_MASTER;
                break;

        default:
                return -EINVAL;
        }

        format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
        inv = (fmt & SND_SOC_DAIFMT_INV_MASK);

        switch (format) {
        case SND_SOC_DAIFMT_I2S:
                spc &= ~CS42L73_SPDIF_PCM;
                break;
        case SND_SOC_DAIFMT_DSP_A:
        case SND_SOC_DAIFMT_DSP_B:
                if (mmcc & CS42L73_MS_MASTER) {
                        dev_err(component->dev,
                                "PCM format in slave mode only\n");
                        return -EINVAL;
                }
                if (id == CS42L73_ASP) {
                        dev_err(component->dev,
                                "PCM format is not supported on ASP port\n");
                        return -EINVAL;
                }
                spc |= CS42L73_SPDIF_PCM;
                break;
        default:
                return -EINVAL;
        }

        if (spc & CS42L73_SPDIF_PCM) {
                /* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
                spc &= ~(CS42L73_PCM_MODE_MASK | CS42L73_PCM_BIT_ORDER);
                switch (format) {
                case SND_SOC_DAIFMT_DSP_B:
                        if (inv == SND_SOC_DAIFMT_IB_IF)
                                spc |= CS42L73_PCM_MODE0;
                        if (inv == SND_SOC_DAIFMT_IB_NF)
                                spc |= CS42L73_PCM_MODE1;
                break;
                case SND_SOC_DAIFMT_DSP_A:
                        if (inv == SND_SOC_DAIFMT_IB_IF)
                                spc |= CS42L73_PCM_MODE1;
                        break;
                default:
                        return -EINVAL;
                }
        }

        priv->config[id].spc = spc;
        priv->config[id].mmcc = mmcc;

        return 0;
}

static const unsigned int cs42l73_asrc_rates[] = {
        8000, 11025, 12000, 16000, 22050,
        24000, 32000, 44100, 48000
};

static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
{
        int i;
        for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
                if (cs42l73_asrc_rates[i] == rate)
                        return i + 1;
        }
        return 0;               /* 0 = Don't know */
}

static void cs42l73_update_asrc(struct snd_soc_component *component, int id, int srate)
{
        u8 spfs = 0;

        if (srate > 0)
                spfs = cs42l73_get_xspfs_coeff(srate);

        switch (id) {
        case CS42L73_XSP:
                snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0x0f, spfs);
        break;
        case CS42L73_ASP:
                snd_soc_component_update_bits(component, CS42L73_ASPC, 0x3c, spfs << 2);
        break;
        case CS42L73_VSP:
                snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0xf0, spfs << 4);
        break;
        default:
        break;
        }
}

static int cs42l73_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;
        struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
        int id = dai->id;
        int mclk_coeff;
        int srate = params_rate(params);

        if (priv->config[id].mmcc & CS42L73_MS_MASTER) {
                /* CS42L73 Master */
                /* MCLK -> srate */
                mclk_coeff =
                    cs42l73_get_mclk_coeff(priv->mclk, srate);

                if (mclk_coeff < 0)
                        return -EINVAL;

                dev_dbg(component->dev,
                         "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
                         id, priv->mclk, srate,
                         cs42l73_mclk_coeffs[mclk_coeff].mmcc);

                priv->config[id].mmcc &= 0xC0;
                priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
                priv->config[id].spc &= 0xFC;
                /* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
                if (priv->mclk >= 6400000)
                        priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
                else
                        priv->config[id].spc |= CS42L73_MCK_SCLK_MCLK;
        } else {
                /* CS42L73 Slave */
                priv->config[id].spc &= 0xFC;
                priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
        }
        /* Update ASRCs */
        priv->config[id].srate = srate;

        snd_soc_component_write(component, CS42L73_SPC(id), priv->config[id].spc);
        snd_soc_component_write(component, CS42L73_MMCC(id), priv->config[id].mmcc);

        cs42l73_update_asrc(component, id, srate);

        return 0;
}

static int cs42l73_set_bias_level(struct snd_soc_component *component,
                                  enum snd_soc_bias_level level)
{
        struct cs42l73_private *cs42l73 = 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:
                snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 0);
                snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 0);
                break;

        case SND_SOC_BIAS_PREPARE:
                break;

        case SND_SOC_BIAS_STANDBY:
                if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
                        regcache_cache_only(cs42l73->regmap, false);
                        regcache_sync(cs42l73->regmap);
                }
                snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
                break;

        case SND_SOC_BIAS_OFF:
                snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
                if (cs42l73->shutdwn_delay > 0) {
                        mdelay(cs42l73->shutdwn_delay);
                        cs42l73->shutdwn_delay = 0;
                } else {
                        mdelay(15); /* Min amount of time requred to power
                                     * down.
                                     */
                }
                snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 1);
                break;
        }
        return 0;
}

static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
{
        struct snd_soc_component *component = dai->component;
        int id = dai->id;

        return snd_soc_component_update_bits(component, CS42L73_SPC(id), CS42L73_SP_3ST,
                                   tristate << 7);
}

static const struct snd_pcm_hw_constraint_list constraints_12_24 = {
        .count  = ARRAY_SIZE(cs42l73_asrc_rates),
        .list   = cs42l73_asrc_rates,
};

static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
                               struct snd_soc_dai *dai)
{
        snd_pcm_hw_constraint_list(substream->runtime, 0,
                                        SNDRV_PCM_HW_PARAM_RATE,
                                        &constraints_12_24);
        return 0;
}


#define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
        SNDRV_PCM_FMTBIT_S24_LE)

static const struct snd_soc_dai_ops cs42l73_ops = {
        .startup = cs42l73_pcm_startup,
        .hw_params = cs42l73_pcm_hw_params,
        .set_fmt = cs42l73_set_dai_fmt,
        .set_sysclk = cs42l73_set_sysclk,
        .set_tristate = cs42l73_set_tristate,
};

static struct snd_soc_dai_driver cs42l73_dai[] = {
        {
                .name = "cs42l73-xsp",
                .id = CS42L73_XSP,
                .playback = {
                        .stream_name = "XSP Playback",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = SNDRV_PCM_RATE_KNOT,
                        .formats = CS42L73_FORMATS,
                },
                .capture = {
                        .stream_name = "XSP Capture",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = SNDRV_PCM_RATE_KNOT,
                        .formats = CS42L73_FORMATS,
                },
                .ops = &cs42l73_ops,
                .symmetric_rate = 1,
         },
        {
                .name = "cs42l73-asp",
                .id = CS42L73_ASP,
                .playback = {
                        .stream_name = "ASP Playback",
                        .channels_min = 2,
                        .channels_max = 2,
                        .rates = SNDRV_PCM_RATE_KNOT,
                        .formats = CS42L73_FORMATS,
                },
                .capture = {
                        .stream_name = "ASP Capture",
                        .channels_min = 2,
                        .channels_max = 2,
                        .rates = SNDRV_PCM_RATE_KNOT,
                        .formats = CS42L73_FORMATS,
                },
                .ops = &cs42l73_ops,
                .symmetric_rate = 1,
         },
        {
                .name = "cs42l73-vsp",
                .id = CS42L73_VSP,
                .playback = {
                        .stream_name = "VSP Playback",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = SNDRV_PCM_RATE_KNOT,
                        .formats = CS42L73_FORMATS,
                },
                .capture = {
                        .stream_name = "VSP Capture",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = SNDRV_PCM_RATE_KNOT,
                        .formats = CS42L73_FORMATS,
                },
                .ops = &cs42l73_ops,
                .symmetric_rate = 1,
         }
};

static int cs42l73_probe(struct snd_soc_component *component)
{
        struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);

        /* Set Charge Pump Frequency */
        if (cs42l73->pdata.chgfreq)
                snd_soc_component_update_bits(component, CS42L73_CPFCHC,
                                    CS42L73_CHARGEPUMP_MASK,
                                        cs42l73->pdata.chgfreq << 4);

        /* MCLK1 as master clk */
        cs42l73->mclksel = CS42L73_CLKID_MCLK1;
        cs42l73->mclk = 0;

        return 0;
}

static const struct snd_soc_component_driver soc_component_dev_cs42l73 = {
        .probe                  = cs42l73_probe,
        .set_bias_level         = cs42l73_set_bias_level,
        .controls               = cs42l73_snd_controls,
        .num_controls           = ARRAY_SIZE(cs42l73_snd_controls),
        .dapm_widgets           = cs42l73_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(cs42l73_dapm_widgets),
        .dapm_routes            = cs42l73_audio_map,
        .num_dapm_routes        = ARRAY_SIZE(cs42l73_audio_map),
        .suspend_bias_off       = 1,
        .idle_bias_on           = 1,
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static const struct regmap_config cs42l73_regmap = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = CS42L73_MAX_REGISTER,
        .reg_defaults = cs42l73_reg_defaults,
        .num_reg_defaults = ARRAY_SIZE(cs42l73_reg_defaults),
        .volatile_reg = cs42l73_volatile_register,
        .readable_reg = cs42l73_readable_register,
        .cache_type = REGCACHE_MAPLE,

        .use_single_read = true,
        .use_single_write = true,
};

static int cs42l73_i2c_probe(struct i2c_client *i2c_client)
{
        struct cs42l73_private *cs42l73;
        struct cs42l73_platform_data *pdata;
        int ret, devid;
        unsigned int reg;
        u32 val32;

        cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l73), GFP_KERNEL);
        if (!cs42l73)
                return -ENOMEM;

        cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
        if (IS_ERR(cs42l73->regmap)) {
                ret = PTR_ERR(cs42l73->regmap);
                dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
                return ret;
        }

        pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
                return -ENOMEM;

        if (i2c_client->dev.of_node) {
                if (of_property_read_u32(i2c_client->dev.of_node, "chgfreq", &val32) >= 0)
                        pdata->chgfreq = val32;
        }
        pdata->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, "reset", GPIOD_OUT_LOW);

        if (IS_ERR(pdata->reset_gpio))
                return PTR_ERR(pdata->reset_gpio);

        gpiod_set_consumer_name(pdata->reset_gpio, "CS42L73 /RST");
        cs42l73->pdata = *pdata;

        i2c_set_clientdata(i2c_client, cs42l73);

        if (cs42l73->pdata.reset_gpio) {
                gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
                gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
        }

        /* initialize codec */
        devid = cirrus_read_device_id(cs42l73->regmap, CS42L73_DEVID_AB);
        if (devid < 0) {
                ret = devid;
                dev_err(&i2c_client->dev, "Failed to read device ID: %d\n", ret);
                goto err_reset;
        }

        if (devid != CS42L73_DEVID) {
                ret = -ENODEV;
                dev_err(&i2c_client->dev,
                        "CS42L73 Device ID (%X). Expected %X\n",
                        devid, CS42L73_DEVID);
                goto err_reset;
        }

        ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
        if (ret < 0) {
                dev_err(&i2c_client->dev, "Get Revision ID failed\n");
                goto err_reset;
        }

        dev_info(&i2c_client->dev,
                 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);

        ret = devm_snd_soc_register_component(&i2c_client->dev,
                        &soc_component_dev_cs42l73, cs42l73_dai,
                        ARRAY_SIZE(cs42l73_dai));
        if (ret < 0)
                goto err_reset;

        return 0;

err_reset:
        gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);

        return ret;
}

static const struct of_device_id cs42l73_of_match[] = {
        { .compatible = "cirrus,cs42l73", },
        {},
};
MODULE_DEVICE_TABLE(of, cs42l73_of_match);

static const struct i2c_device_id cs42l73_id[] = {
        { .name = "cs42l73" },
        { }
};

MODULE_DEVICE_TABLE(i2c, cs42l73_id);

static struct i2c_driver cs42l73_i2c_driver = {
        .driver = {
                   .name = "cs42l73",
                   .of_match_table = cs42l73_of_match,
                   },
        .id_table = cs42l73_id,
        .probe = cs42l73_i2c_probe,

};

module_i2c_driver(cs42l73_i2c_driver);

MODULE_DESCRIPTION("ASoC CS42L73 driver");
MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
MODULE_LICENSE("GPL");