root/sound/soc/codecs/tlv320aic31xx.c
// SPDX-License-Identifier: GPL-2.0
/*
 * ALSA SoC TLV320AIC31xx CODEC Driver
 *
 * Copyright (C) 2014-2017 Texas Instruments Incorporated - https://www.ti.com/
 *      Jyri Sarha <jsarha@ti.com>
 *
 * Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
 *
 * The TLV320AIC31xx series of audio codecs are low-power, highly integrated
 * high performance codecs which provides a stereo DAC, a mono ADC,
 * and mono/stereo Class-D speaker driver.
 */

#include <linux/unaligned.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/acpi.h>
#include <linux/firmware.h>
#include <linux/of.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <dt-bindings/sound/tlv320aic31xx.h>

#include "tlv320aic31xx.h"

static int aic31xx_set_jack(struct snd_soc_component *component,
                            struct snd_soc_jack *jack, void *data);

static const struct reg_default aic31xx_reg_defaults[] = {
        { AIC31XX_CLKMUX, 0x00 },
        { AIC31XX_PLLPR, 0x11 },
        { AIC31XX_PLLJ, 0x04 },
        { AIC31XX_PLLDMSB, 0x00 },
        { AIC31XX_PLLDLSB, 0x00 },
        { AIC31XX_NDAC, 0x01 },
        { AIC31XX_MDAC, 0x01 },
        { AIC31XX_DOSRMSB, 0x00 },
        { AIC31XX_DOSRLSB, 0x80 },
        { AIC31XX_NADC, 0x01 },
        { AIC31XX_MADC, 0x01 },
        { AIC31XX_AOSR, 0x80 },
        { AIC31XX_IFACE1, 0x00 },
        { AIC31XX_DATA_OFFSET, 0x00 },
        { AIC31XX_IFACE2, 0x00 },
        { AIC31XX_BCLKN, 0x01 },
        { AIC31XX_DACSETUP, 0x14 },
        { AIC31XX_DACMUTE, 0x0c },
        { AIC31XX_LDACVOL, 0x00 },
        { AIC31XX_RDACVOL, 0x00 },
        { AIC31XX_ADCSETUP, 0x00 },
        { AIC31XX_ADCFGA, 0x80 },
        { AIC31XX_ADCVOL, 0x00 },
        { AIC31XX_HPDRIVER, 0x04 },
        { AIC31XX_SPKAMP, 0x06 },
        { AIC31XX_DACMIXERROUTE, 0x00 },
        { AIC31XX_LANALOGHPL, 0x7f },
        { AIC31XX_RANALOGHPR, 0x7f },
        { AIC31XX_LANALOGSPL, 0x7f },
        { AIC31XX_RANALOGSPR, 0x7f },
        { AIC31XX_HPLGAIN, 0x02 },
        { AIC31XX_HPRGAIN, 0x02 },
        { AIC31XX_SPLGAIN, 0x00 },
        { AIC31XX_SPRGAIN, 0x00 },
        { AIC31XX_MICBIAS, 0x00 },
        { AIC31XX_MICPGA, 0x80 },
        { AIC31XX_MICPGAPI, 0x00 },
        { AIC31XX_MICPGAMI, 0x00 },
};

static bool aic31xx_volatile(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case AIC31XX_PAGECTL: /* regmap implementation requires this */
        case AIC31XX_RESET: /* always clears after write */
        case AIC31XX_OT_FLAG:
        case AIC31XX_ADCFLAG:
        case AIC31XX_DACFLAG1:
        case AIC31XX_DACFLAG2:
        case AIC31XX_OFFLAG: /* Sticky interrupt flags */
        case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
        case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
        case AIC31XX_INTRDACFLAG2:
        case AIC31XX_INTRADCFLAG2:
        case AIC31XX_HSDETECT:
                return true;
        }
        return false;
}

static bool aic31xx_writeable(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case AIC31XX_OT_FLAG:
        case AIC31XX_ADCFLAG:
        case AIC31XX_DACFLAG1:
        case AIC31XX_DACFLAG2:
        case AIC31XX_OFFLAG: /* Sticky interrupt flags */
        case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
        case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
        case AIC31XX_INTRDACFLAG2:
        case AIC31XX_INTRADCFLAG2:
                return false;
        }
        return true;
}

static const struct regmap_range_cfg aic31xx_ranges[] = {
        {
                .range_min = 0,
                .range_max = 12 * 128,
                .selector_reg = AIC31XX_PAGECTL,
                .selector_mask = 0xff,
                .selector_shift = 0,
                .window_start = 0,
                .window_len = 128,
        },
};

static const struct regmap_config aic31xx_i2c_regmap = {
        .reg_bits = 8,
        .val_bits = 8,
        .writeable_reg = aic31xx_writeable,
        .volatile_reg = aic31xx_volatile,
        .reg_defaults = aic31xx_reg_defaults,
        .num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
        .cache_type = REGCACHE_RBTREE,
        .ranges = aic31xx_ranges,
        .num_ranges = ARRAY_SIZE(aic31xx_ranges),
        .max_register = 12 * 128,
};

static const char * const aic31xx_supply_names[] = {
        "HPVDD",
        "SPRVDD",
        "SPLVDD",
        "AVDD",
        "IOVDD",
        "DVDD",
};

#define AIC31XX_NUM_SUPPLIES ARRAY_SIZE(aic31xx_supply_names)

struct aic31xx_disable_nb {
        struct notifier_block nb;
        struct aic31xx_priv *aic31xx;
};

struct aic31xx_priv {
        struct snd_soc_component *component;
        u8 i2c_regs_status;
        struct device *dev;
        struct regmap *regmap;
        enum aic31xx_type codec_type;
        struct gpio_desc *gpio_reset;
        int micbias_vg;
        struct aic31xx_pdata pdata;
        struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
        struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
        struct snd_soc_jack *jack;
        u32 sysclk_id;
        unsigned int sysclk;
        u8 p_div;
        int rate_div_line;
        bool master_dapm_route_applied;
        int irq;
        u8 ocmv; /* output common-mode voltage */
};

struct aic31xx_rate_divs {
        u32 mclk_p;
        u32 rate;
        u8 pll_r;
        u8 pll_j;
        u16 pll_d;
        u16 dosr;
        u8 ndac;
        u8 mdac;
        u8 aosr;
        u8 nadc;
        u8 madc;
};

/* ADC dividers can be disabled by configuring them to 0 */
static const struct aic31xx_rate_divs aic31xx_divs[] = {
        /* mclk/p    rate  pll: r  j     d     dosr ndac mdac  aors nadc madc */
        /* 8k rate */
        {  512000,   8000,      4, 48,   0,     128,  48,  2,   128,  48,  2},
        {12000000,   8000,      1, 8, 1920,     128,  48,  2,   128,  48,  2},
        {12000000,   8000,      1, 8, 1920,     128,  32,  3,   128,  32,  3},
        {12500000,   8000,      1, 7, 8643,     128,  48,  2,   128,  48,  2},
        /* 11.025k rate */
        {  705600,  11025,      3, 48,   0,     128,  24,  3,   128,  24,  3},
        {12000000,  11025,      1, 7, 5264,     128,  32,  2,   128,  32,  2},
        {12000000,  11025,      1, 8, 4672,     128,  24,  3,   128,  24,  3},
        {12500000,  11025,      1, 7, 2253,     128,  32,  2,   128,  32,  2},
        /* 16k rate */
        {  512000,  16000,      4, 48,   0,     128,  16,  3,   128,  16,  3},
        { 1024000,  16000,      2, 48,   0,     128,  16,  3,   128,  16,  3},
        {12000000,  16000,      1, 8, 1920,     128,  24,  2,   128,  24,  2},
        {12000000,  16000,      1, 8, 1920,     128,  16,  3,   128,  16,  3},
        {12500000,  16000,      1, 7, 8643,     128,  24,  2,   128,  24,  2},
        /* 22.05k rate */
        {  705600,  22050,      4, 36,   0,     128,  12,  3,   128,  12,  3},
        { 1411200,  22050,      2, 36,   0,     128,  12,  3,   128,  12,  3},
        {12000000,  22050,      1, 7, 5264,     128,  16,  2,   128,  16,  2},
        {12000000,  22050,      1, 8, 4672,     128,  12,  3,   128,  12,  3},
        {12500000,  22050,      1, 7, 2253,     128,  16,  2,   128,  16,  2},
        /* 32k rate */
        { 1024000,  32000,      2, 48,   0,     128,  12,  2,   128,  12,  2},
        { 2048000,  32000,      1, 48,   0,     128,  12,  2,   128,  12,  2},
        {12000000,  32000,      1, 8, 1920,     128,  12,  2,   128,  12,  2},
        {12000000,  32000,      1, 8, 1920,     128,   8,  3,   128,   8,  3},
        {12500000,  32000,      1, 7, 8643,     128,  12,  2,   128,  12,  2},
        /* 44.1k rate */
        { 1411200,  44100,      2, 32,   0,     128,   8,  2,   128,   8,  2},
        { 2822400,  44100,      1, 32,   0,     128,   8,  2,   128,   8,  2},
        {12000000,  44100,      1, 7, 5264,     128,   8,  2,   128,   8,  2},
        {12000000,  44100,      1, 8, 4672,     128,   6,  3,   128,   6,  3},
        {12500000,  44100,      1, 7, 2253,     128,   8,  2,   128,   8,  2},
        /* 48k rate */
        { 1536000,  48000,      2, 32,   0,     128,   8,  2,   128,   8,  2},
        { 3072000,  48000,      1, 32,   0,     128,   8,  2,   128,   8,  2},
        {12000000,  48000,      1, 8, 1920,     128,   8,  2,   128,   8,  2},
        {12000000,  48000,      1, 7, 6800,      96,   5,  4,    96,   5,  4},
        {12500000,  48000,      1, 7, 8643,     128,   8,  2,   128,   8,  2},
        /* 88.2k rate */
        { 2822400,  88200,      2, 16,   0,      64,   8,  2,    64,   8,  2},
        { 5644800,  88200,      1, 16,   0,      64,   8,  2,    64,   8,  2},
        {12000000,  88200,      1, 7, 5264,      64,   8,  2,    64,   8,  2},
        {12000000,  88200,      1, 8, 4672,      64,   6,  3,    64,   6,  3},
        {12500000,  88200,      1, 7, 2253,      64,   8,  2,    64,   8,  2},
        /* 96k rate */
        { 3072000,  96000,      2, 16,   0,      64,   8,  2,    64,   8,  2},
        { 6144000,  96000,      1, 16,   0,      64,   8,  2,    64,   8,  2},
        {12000000,  96000,      1, 8, 1920,      64,   8,  2,    64,   8,  2},
        {12000000,  96000,      1, 7, 6800,      48,   5,  4,    48,   5,  4},
        {12500000,  96000,      1, 7, 8643,      64,   8,  2,    64,   8,  2},
        /* 176.4k rate */
        { 5644800, 176400,      2, 8,    0,      32,   8,  2,    32,   8,  2},
        {11289600, 176400,      1, 8,    0,      32,   8,  2,    32,   8,  2},
        {12000000, 176400,      1, 7, 5264,      32,   8,  2,    32,   8,  2},
        {12000000, 176400,      1, 8, 4672,      32,   6,  3,    32,   6,  3},
        {12500000, 176400,      1, 7, 2253,      32,   8,  2,    32,   8,  2},
        /* 192k rate */
        { 6144000, 192000,      2, 8,    0,      32,   8,  2,    32,   8,  2},
        {12288000, 192000,      1, 8,    0,      32,   8,  2,    32,   8,  2},
        {12000000, 192000,      1, 8, 1920,      32,   8,  2,    32,   8,  2},
        {12000000, 192000,      1, 7, 6800,      24,   5,  4,    24,   5,  4},
        {12500000, 192000,      1, 7, 8643,      32,   8,  2,    32,   8,  2},
};

static const char * const ldac_in_text[] = {
        "Off", "Left Data", "Right Data", "Mono"
};

static const char * const rdac_in_text[] = {
        "Off", "Right Data", "Left Data", "Mono"
};

static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);

static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);

static const char * const mic_select_text[] = {
        "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
};

static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
        mic_select_text);
static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
        mic_select_text);
static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
        mic_select_text);

static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
        mic_select_text);

static const char * const hp_poweron_time_text[] = {
        "0us", "15.3us", "153us", "1.53ms", "15.3ms", "76.2ms",
        "153ms", "304ms", "610ms", "1.22s", "3.04s", "6.1s" };

static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
        hp_poweron_time_text);

static const char * const hp_rampup_step_text[] = {
        "0ms", "0.98ms", "1.95ms", "3.9ms" };

static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
        hp_rampup_step_text);

static const char * const vol_soft_step_mode_text[] = {
        "fast", "slow", "disabled" };

static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
        vol_soft_step_mode_text);

static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);

/*
 * controls to be exported to the user space
 */
static const struct snd_kcontrol_new common31xx_snd_controls[] = {
        SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
                           AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),

        SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
                     AIC31XX_HPRGAIN, 2, 1, 0),
        SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
                         AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),

        SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
                         AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),

        /* HP de-pop control: apply power not immediately but via ramp
         * function with these psarameters. Note that power up sequence
         * has to wait for this to complete; this is implemented by
         * polling HP driver status in aic31xx_dapm_power_event()
         */
        SOC_ENUM("HP Output Driver Power-On time", hp_poweron_time_enum),
        SOC_ENUM("HP Output Driver Ramp-up step", hp_rampup_step_enum),

        SOC_ENUM("Volume Soft Stepping", vol_soft_step_mode_enum),
};

static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
        SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
                       adc_fgain_tlv),

        SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
        SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
                           0, -24, 40, 6, 0, adc_cgain_tlv),

        SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
                       119, 0, mic_pga_tlv),
};

static const struct snd_kcontrol_new aic311x_snd_controls[] = {
        SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
                     AIC31XX_SPRGAIN, 2, 1, 0),
        SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
                         AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),

        SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
                         AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
};

static const struct snd_kcontrol_new aic310x_snd_controls[] = {
        SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
                   2, 1, 0),
        SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
                       3, 3, 0, class_D_drv_tlv),

        SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
                       0, 0x7F, 1, sp_vol_tlv),
};

static const struct snd_kcontrol_new ldac_in_control =
        SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);

static const struct snd_kcontrol_new rdac_in_control =
        SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);

static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
                             unsigned int mask, unsigned int wbits, int sleep,
                             int count)
{
        unsigned int bits;
        int counter = count;
        int ret = regmap_read(aic31xx->regmap, reg, &bits);

        while ((bits & mask) != wbits && counter && !ret) {
                usleep_range(sleep, sleep * 2);
                ret = regmap_read(aic31xx->regmap, reg, &bits);
                counter--;
        }
        if ((bits & mask) != wbits) {
                dev_err(aic31xx->dev,
                        "%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
                        __func__, reg, bits, wbits, ret, mask,
                        (count - counter) * sleep);
                ret = -1;
        }
        return ret;
}

#define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))

static int aic31xx_dapm_power_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 aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        unsigned int reg = AIC31XX_DACFLAG1;
        unsigned int mask;
        unsigned int timeout = 500 * USEC_PER_MSEC;

        switch (WIDGET_BIT(w->reg, w->shift)) {
        case WIDGET_BIT(AIC31XX_DACSETUP, 7):
                mask = AIC31XX_LDACPWRSTATUS_MASK;
                break;
        case WIDGET_BIT(AIC31XX_DACSETUP, 6):
                mask = AIC31XX_RDACPWRSTATUS_MASK;
                break;
        case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
                mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
                if (event == SND_SOC_DAPM_POST_PMU)
                        timeout = 7 * USEC_PER_SEC;
                break;
        case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
                mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
                if (event == SND_SOC_DAPM_POST_PMU)
                        timeout = 7 * USEC_PER_SEC;
                break;
        case WIDGET_BIT(AIC31XX_SPKAMP, 7):
                mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
                break;
        case WIDGET_BIT(AIC31XX_SPKAMP, 6):
                mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
                break;
        case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
                mask = AIC31XX_ADCPWRSTATUS_MASK;
                reg = AIC31XX_ADCFLAG;
                break;
        default:
                dev_err(component->dev, "Unknown widget '%s' calling %s\n",
                        w->name, __func__);
                return -EINVAL;
        }

        switch (event) {
        case SND_SOC_DAPM_POST_PMU:
                return aic31xx_wait_bits(aic31xx, reg, mask, mask,
                                5000, timeout / 5000);
        case SND_SOC_DAPM_POST_PMD:
                return aic31xx_wait_bits(aic31xx, reg, mask, 0,
                                5000, timeout / 5000);
        default:
                dev_dbg(component->dev,
                        "Unhandled dapm widget event %d from %s\n",
                        event, w->name);
        }
        return 0;
}

static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
        SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
        SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
        SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
};

static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
        SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
        SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
};

static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
        SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
        SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
        SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
};

static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
        SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
        SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
};

static const struct snd_kcontrol_new p_term_mic1lp =
        SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);

static const struct snd_kcontrol_new p_term_mic1rp =
        SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);

static const struct snd_kcontrol_new p_term_mic1lm =
        SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);

static const struct snd_kcontrol_new m_term_mic1lm =
        SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);

static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
        SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);

static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
        SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);

static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
        SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);

static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
        SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);

static int mic_bias_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 aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);

        switch (event) {
        case SND_SOC_DAPM_POST_PMU:
                /* change mic bias voltage to user defined */
                snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
                                    AIC31XX_MICBIAS_MASK,
                                    aic31xx->micbias_vg <<
                                    AIC31XX_MICBIAS_SHIFT);
                dev_dbg(component->dev, "%s: turned on\n", __func__);
                break;
        case SND_SOC_DAPM_PRE_PMD:
                /* turn mic bias off */
                snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
                                    AIC31XX_MICBIAS_MASK, 0);
                dev_dbg(component->dev, "%s: turned off\n", __func__);
                break;
        }
        return 0;
}

static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
        SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),

        SND_SOC_DAPM_MUX("DAC Left Input",
                         SND_SOC_NOPM, 0, 0, &ldac_in_control),
        SND_SOC_DAPM_MUX("DAC Right Input",
                         SND_SOC_NOPM, 0, 0, &rdac_in_control),
        /* DACs */
        SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
                           AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),

        SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
                           AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),

        /* HP */
        SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
                            &aic31xx_dapm_hpl_switch),
        SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
                            &aic31xx_dapm_hpr_switch),

        /* Output drivers */
        SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
                               NULL, 0, aic31xx_dapm_power_event,
                               SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
                               NULL, 0, aic31xx_dapm_power_event,
                               SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),

        /* Mic Bias */
        SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),

        /* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
        SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
                            NULL, 0),

        /* Outputs */
        SND_SOC_DAPM_OUTPUT("HPL"),
        SND_SOC_DAPM_OUTPUT("HPR"),
};

static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
        /* Inputs */
        SND_SOC_DAPM_INPUT("AIN1"),
        SND_SOC_DAPM_INPUT("AIN2"),

        /* Output Mixers */
        SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
                           dac31xx_left_output_switches,
                           ARRAY_SIZE(dac31xx_left_output_switches)),
        SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
                           dac31xx_right_output_switches,
                           ARRAY_SIZE(dac31xx_right_output_switches)),
};

static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
        /* Inputs */
        SND_SOC_DAPM_INPUT("MIC1LP"),
        SND_SOC_DAPM_INPUT("MIC1RP"),
        SND_SOC_DAPM_INPUT("MIC1LM"),

        /* Input Selection to MIC_PGA */
        SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
                         &p_term_mic1lp),
        SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
                         &p_term_mic1rp),
        SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
                         &p_term_mic1lm),

        /* ADC */
        SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
                           aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
                           SND_SOC_DAPM_POST_PMD),

        SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
                         &m_term_mic1lm),

        /* Enabling & Disabling MIC Gain Ctl */
        SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
                         7, 1, NULL, 0),

        /* Output Mixers */
        SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
                           aic31xx_left_output_switches,
                           ARRAY_SIZE(aic31xx_left_output_switches)),
        SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
                           aic31xx_right_output_switches,
                           ARRAY_SIZE(aic31xx_right_output_switches)),

        SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
};

static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
        /* AIC3111 and AIC3110 have stereo class-D amplifier */
        SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
                               aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
                               SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
                               aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
                               SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
                            &aic31xx_dapm_spl_switch),
        SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
                            &aic31xx_dapm_spr_switch),
        SND_SOC_DAPM_OUTPUT("SPL"),
        SND_SOC_DAPM_OUTPUT("SPR"),
};

/* AIC3100 and AIC3120 have only mono class-D amplifier */
static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
        SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
                               aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
                               SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
                            &aic31xx_dapm_spl_switch),
        SND_SOC_DAPM_OUTPUT("SPK"),
};

static const struct snd_soc_dapm_route
common31xx_audio_map[] = {
        /* DAC Input Routing */
        {"DAC Left Input", "Left Data", "AIF IN"},
        {"DAC Left Input", "Right Data", "AIF IN"},
        {"DAC Left Input", "Mono", "AIF IN"},
        {"DAC Right Input", "Left Data", "AIF IN"},
        {"DAC Right Input", "Right Data", "AIF IN"},
        {"DAC Right Input", "Mono", "AIF IN"},
        {"DAC Left", NULL, "DAC Left Input"},
        {"DAC Right", NULL, "DAC Right Input"},

        /* HPL path */
        {"HP Left", "Switch", "Output Left"},
        {"HPL Driver", NULL, "HP Left"},
        {"HPL", NULL, "HPL Driver"},

        /* HPR path */
        {"HP Right", "Switch", "Output Right"},
        {"HPR Driver", NULL, "HP Right"},
        {"HPR", NULL, "HPR Driver"},
};

static const struct snd_soc_dapm_route
dac31xx_audio_map[] = {
        /* Left Output */
        {"Output Left", "From Left DAC", "DAC Left"},
        {"Output Left", "From AIN1", "AIN1"},
        {"Output Left", "From AIN2", "AIN2"},

        /* Right Output */
        {"Output Right", "From Right DAC", "DAC Right"},
        {"Output Right", "From AIN2", "AIN2"},
};

static const struct snd_soc_dapm_route
aic31xx_audio_map[] = {
        /* Mic input */
        {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
        {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
        {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
        {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
        {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
        {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
        {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
        {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
        {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},

        {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
        {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
        {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},

        {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
        {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
        {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
        {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},

        {"ADC", NULL, "MIC_GAIN_CTL"},

        {"AIF OUT", NULL, "ADC"},

        /* Left Output */
        {"Output Left", "From Left DAC", "DAC Left"},
        {"Output Left", "From MIC1LP", "MIC1LP"},
        {"Output Left", "From MIC1RP", "MIC1RP"},

        /* Right Output */
        {"Output Right", "From Right DAC", "DAC Right"},
        {"Output Right", "From MIC1RP", "MIC1RP"},
};

static const struct snd_soc_dapm_route
aic311x_audio_map[] = {
        /* SP L path */
        {"Speaker Left", "Switch", "Output Left"},
        {"SPL ClassD", NULL, "Speaker Left"},
        {"SPL", NULL, "SPL ClassD"},

        /* SP R path */
        {"Speaker Right", "Switch", "Output Right"},
        {"SPR ClassD", NULL, "Speaker Right"},
        {"SPR", NULL, "SPR ClassD"},
};

static const struct snd_soc_dapm_route
aic310x_audio_map[] = {
        /* SP L path */
        {"Speaker", "Switch", "Output Left"},
        {"SPK ClassD", NULL, "Speaker"},
        {"SPK", NULL, "SPK ClassD"},
};

/*
 * Always connected DAPM routes for codec clock master modes.
 * If the codec is the master on the I2S bus, we need to power up components
 * to have valid DAC_CLK.
 *
 * In order to have the I2S clocks on the bus either the DACs/ADC need to be
 * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
 *
 * Otherwise the codec will not generate clocks on the bus.
 */
static const struct snd_soc_dapm_route
common31xx_cm_audio_map[] = {
        {"HPL", NULL, "AIF IN"},
        {"HPR", NULL, "AIF IN"},

        {"AIF IN", NULL, "Activate I2S clocks"},
};

static const struct snd_soc_dapm_route
aic31xx_cm_audio_map[] = {
        {"AIF OUT", NULL, "MIC1LP"},
        {"AIF OUT", NULL, "MIC1RP"},
        {"AIF OUT", NULL, "MIC1LM"},

        {"AIF OUT", NULL, "Activate I2S clocks"},
};

static int aic31xx_add_controls(struct snd_soc_component *component)
{
        int ret = 0;
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);

        if (!(aic31xx->codec_type & DAC31XX_BIT))
                ret = snd_soc_add_component_controls(
                        component, aic31xx_snd_controls,
                        ARRAY_SIZE(aic31xx_snd_controls));
        if (ret)
                return ret;

        if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
                ret = snd_soc_add_component_controls(
                        component, aic311x_snd_controls,
                        ARRAY_SIZE(aic311x_snd_controls));
        else
                ret = snd_soc_add_component_controls(
                        component, aic310x_snd_controls,
                        ARRAY_SIZE(aic310x_snd_controls));

        return ret;
}

static int aic31xx_add_widgets(struct snd_soc_component *component)
{
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        int ret = 0;

        if (aic31xx->codec_type & DAC31XX_BIT) {
                ret = snd_soc_dapm_new_controls(
                        dapm, dac31xx_dapm_widgets,
                        ARRAY_SIZE(dac31xx_dapm_widgets));
                if (ret)
                        return ret;

                ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
                                              ARRAY_SIZE(dac31xx_audio_map));
                if (ret)
                        return ret;
        } else {
                ret = snd_soc_dapm_new_controls(
                        dapm, aic31xx_dapm_widgets,
                        ARRAY_SIZE(aic31xx_dapm_widgets));
                if (ret)
                        return ret;

                ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
                                              ARRAY_SIZE(aic31xx_audio_map));
                if (ret)
                        return ret;
        }

        if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
                ret = snd_soc_dapm_new_controls(
                        dapm, aic311x_dapm_widgets,
                        ARRAY_SIZE(aic311x_dapm_widgets));
                if (ret)
                        return ret;

                ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
                                              ARRAY_SIZE(aic311x_audio_map));
                if (ret)
                        return ret;
        } else {
                ret = snd_soc_dapm_new_controls(
                        dapm, aic310x_dapm_widgets,
                        ARRAY_SIZE(aic310x_dapm_widgets));
                if (ret)
                        return ret;

                ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
                                              ARRAY_SIZE(aic310x_audio_map));
                if (ret)
                        return ret;
        }

        return 0;
}

static int aic31xx_setup_pll(struct snd_soc_component *component,
                             struct snd_pcm_hw_params *params)
{
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        int bclk_score = snd_soc_params_to_frame_size(params);
        int mclk_p;
        int bclk_n = 0;
        int match = -1;
        int i;

        if (!aic31xx->sysclk || !aic31xx->p_div) {
                dev_err(component->dev, "Master clock not supplied\n");
                return -EINVAL;
        }
        mclk_p = aic31xx->sysclk / aic31xx->p_div;

        /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
        snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
                            AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
        snd_soc_component_update_bits(component, AIC31XX_IFACE2,
                            AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);

        for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
                if (aic31xx_divs[i].rate == params_rate(params) &&
                    aic31xx_divs[i].mclk_p == mclk_p) {
                        int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
                                snd_soc_params_to_frame_size(params);
                        int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
                                snd_soc_params_to_frame_size(params);
                        if (s < bclk_score && bn > 0) {
                                match = i;
                                bclk_n = bn;
                                bclk_score = s;
                        }
                }
        }

        if (match == -1) {
                dev_err(component->dev,
                        "%s: Sample rate (%u) and format not supported\n",
                        __func__, params_rate(params));
                /* See below for details on how to fix this. */
                return -EINVAL;
        }
        if (bclk_score != 0) {
                dev_warn(component->dev, "Can not produce exact bitclock");
                /* This is fine if using dsp format, but if using i2s
                   there may be trouble. To fix the issue edit the
                   aic31xx_divs table for your mclk and sample
                   rate. Details can be found from:
                   https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
                   Section: 5.6 CLOCK Generation and PLL
                */
        }
        i = match;

        /* PLL configuration */
        snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
                            (aic31xx->p_div << 4) | aic31xx_divs[i].pll_r);
        snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);

        snd_soc_component_write(component, AIC31XX_PLLDMSB,
                      aic31xx_divs[i].pll_d >> 8);
        snd_soc_component_write(component, AIC31XX_PLLDLSB,
                      aic31xx_divs[i].pll_d & 0xff);

        /* DAC dividers configuration */
        snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
                            aic31xx_divs[i].ndac);
        snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
                            aic31xx_divs[i].mdac);

        snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
        snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);

        /* ADC dividers configuration. Write reset value 1 if not used. */
        snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
                            aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
        snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
                            aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);

        snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);

        /* Bit clock divider configuration. */
        snd_soc_component_update_bits(component, AIC31XX_BCLKN,
                            AIC31XX_PLL_MASK, bclk_n);

        aic31xx->rate_div_line = i;

        dev_dbg(component->dev,
                "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
                aic31xx_divs[i].pll_j,
                aic31xx_divs[i].pll_d,
                aic31xx->p_div,
                aic31xx_divs[i].dosr,
                aic31xx_divs[i].ndac,
                aic31xx_divs[i].mdac,
                aic31xx_divs[i].aosr,
                aic31xx_divs[i].nadc,
                aic31xx_divs[i].madc,
                bclk_n
        );

        return 0;
}

static int aic31xx_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 aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        u8 data = 0;

        dev_dbg(component->dev, "## %s: width %d rate %d\n",
                __func__, params_width(params),
                params_rate(params));

        switch (params_width(params)) {
        case 16:
                break;
        case 20:
                data = (AIC31XX_WORD_LEN_20BITS <<
                        AIC31XX_IFACE1_DATALEN_SHIFT);
                break;
        case 24:
                data = (AIC31XX_WORD_LEN_24BITS <<
                        AIC31XX_IFACE1_DATALEN_SHIFT);
                break;
        case 32:
                data = (AIC31XX_WORD_LEN_32BITS <<
                        AIC31XX_IFACE1_DATALEN_SHIFT);
                break;
        default:
                dev_err(component->dev, "%s: Unsupported width %d\n",
                        __func__, params_width(params));
                return -EINVAL;
        }

        snd_soc_component_update_bits(component, AIC31XX_IFACE1,
                            AIC31XX_IFACE1_DATALEN_MASK,
                            data);

        /*
         * If BCLK is used as PLL input, the sysclk is determined by the hw
         * params. So it must be updated here to match the input frequency.
         */
        if (aic31xx->sysclk_id == AIC31XX_PLL_CLKIN_BCLK) {
                aic31xx->sysclk = params_rate(params) * params_width(params) *
                                  params_channels(params);
                aic31xx->p_div = 1;
        }

        return aic31xx_setup_pll(component, params);
}

static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute,
                            int direction)
{
        struct snd_soc_component *component = codec_dai->component;

        if (mute) {
                snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
                                    AIC31XX_DACMUTE_MASK,
                                    AIC31XX_DACMUTE_MASK);
        } else {
                snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
                                    AIC31XX_DACMUTE_MASK, 0x0);
        }

        return 0;
}

static int aic31xx_clock_master_routes(struct snd_soc_component *component,
                                       unsigned int fmt)
{
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        int ret;

        fmt &= SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK;
        if (fmt == SND_SOC_DAIFMT_CBC_CFC &&
            aic31xx->master_dapm_route_applied) {
                /*
                 * Remove the DAPM route(s) for codec clock master modes,
                 * if applied
                 */
                ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
                                        ARRAY_SIZE(common31xx_cm_audio_map));
                if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
                        ret = snd_soc_dapm_del_routes(dapm,
                                        aic31xx_cm_audio_map,
                                        ARRAY_SIZE(aic31xx_cm_audio_map));

                if (ret)
                        return ret;

                aic31xx->master_dapm_route_applied = false;
        } else if (fmt != SND_SOC_DAIFMT_CBC_CFC &&
                   !aic31xx->master_dapm_route_applied) {
                /*
                 * Add the needed DAPM route(s) for codec clock master modes,
                 * if it is not done already
                 */
                ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
                                        ARRAY_SIZE(common31xx_cm_audio_map));
                if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
                        ret = snd_soc_dapm_add_routes(dapm,
                                        aic31xx_cm_audio_map,
                                        ARRAY_SIZE(aic31xx_cm_audio_map));

                if (ret)
                        return ret;

                aic31xx->master_dapm_route_applied = true;
        }

        return 0;
}

static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
                               unsigned int fmt)
{
        struct snd_soc_component *component = codec_dai->component;
        u8 iface_reg1 = 0;
        u8 iface_reg2 = 0;
        u8 dsp_a_val = 0;

        dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);

        switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
                iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
                break;
        case SND_SOC_DAIFMT_CBC_CFP:
                iface_reg1 |= AIC31XX_WCLK_MASTER;
                break;
        case SND_SOC_DAIFMT_CBP_CFC:
                iface_reg1 |= AIC31XX_BCLK_MASTER;
                break;
        case SND_SOC_DAIFMT_CBC_CFC:
                break;
        default:
                dev_err(component->dev, "Invalid DAI clock provider\n");
                return -EINVAL;
        }

        /* signal polarity */
        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
        case SND_SOC_DAIFMT_NB_NF:
                break;
        case SND_SOC_DAIFMT_IB_NF:
                iface_reg2 |= AIC31XX_BCLKINV_MASK;
                break;
        default:
                dev_err(component->dev, "Invalid DAI clock signal polarity\n");
                return -EINVAL;
        }

        /* interface format */
        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
                break;
        case SND_SOC_DAIFMT_DSP_A:
                dsp_a_val = 0x1;
                fallthrough;
        case SND_SOC_DAIFMT_DSP_B:
                /*
                 * NOTE: This CODEC samples on the falling edge of BCLK in
                 * DSP mode, this is inverted compared to what most DAIs
                 * expect, so we invert for this mode
                 */
                iface_reg2 ^= AIC31XX_BCLKINV_MASK;
                iface_reg1 |= (AIC31XX_DSP_MODE <<
                               AIC31XX_IFACE1_DATATYPE_SHIFT);
                break;
        case SND_SOC_DAIFMT_RIGHT_J:
                iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
                               AIC31XX_IFACE1_DATATYPE_SHIFT);
                break;
        case SND_SOC_DAIFMT_LEFT_J:
                iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
                               AIC31XX_IFACE1_DATATYPE_SHIFT);
                break;
        default:
                dev_err(component->dev, "Invalid DAI interface format\n");
                return -EINVAL;
        }

        snd_soc_component_update_bits(component, AIC31XX_IFACE1,
                            AIC31XX_IFACE1_DATATYPE_MASK |
                            AIC31XX_IFACE1_MASTER_MASK,
                            iface_reg1);
        snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
                            AIC31XX_DATA_OFFSET_MASK,
                            dsp_a_val);
        snd_soc_component_update_bits(component, AIC31XX_IFACE2,
                            AIC31XX_BCLKINV_MASK,
                            iface_reg2);

        return aic31xx_clock_master_routes(component, fmt);
}

static int aic31xx_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 aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        int i;

        dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
                __func__, clk_id, freq, dir);

        for (i = 1; i < 8; i++)
                if (freq / i <= 20000000)
                        break;
        if (freq/i > 20000000) {
                dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
                        __func__, freq);
                return -EINVAL;
        }
        aic31xx->p_div = i;

        for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
                if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
                        break;
        if (i == ARRAY_SIZE(aic31xx_divs)) {
                dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
                        __func__, freq);
                return -EINVAL;
        }

        /* set clock on MCLK, BCLK, or GPIO1 as PLL input */
        snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
                            clk_id << AIC31XX_PLL_CLKIN_SHIFT);

        aic31xx->sysclk_id = clk_id;
        aic31xx->sysclk = freq;

        return 0;
}

static int aic31xx_regulator_event(struct notifier_block *nb,
                                   unsigned long event, void *data)
{
        struct aic31xx_disable_nb *disable_nb =
                container_of(nb, struct aic31xx_disable_nb, nb);
        struct aic31xx_priv *aic31xx = disable_nb->aic31xx;

        if (event & REGULATOR_EVENT_DISABLE) {
                /*
                 * Put codec to reset and as at least one of the
                 * supplies was disabled.
                 */
                if (aic31xx->gpio_reset)
                        gpiod_set_value_cansleep(aic31xx->gpio_reset, 1);

                regcache_mark_dirty(aic31xx->regmap);
                dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
        }

        return 0;
}

static int aic31xx_reset(struct aic31xx_priv *aic31xx)
{
        int ret = 0;

        if (aic31xx->gpio_reset) {
                gpiod_set_value_cansleep(aic31xx->gpio_reset, 1);
                ndelay(10); /* At least 10ns */
                gpiod_set_value_cansleep(aic31xx->gpio_reset, 0);
        } else {
                ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
        }
        mdelay(1); /* At least 1ms */

        return ret;
}

static void aic31xx_clk_on(struct snd_soc_component *component)
{
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        u8 mask = AIC31XX_PM_MASK;
        u8 on = AIC31XX_PM_MASK;

        dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
                aic31xx_divs[aic31xx->rate_div_line].rate);
        snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
        mdelay(10);
        snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
        snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
        if (aic31xx_divs[aic31xx->rate_div_line].nadc)
                snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
        if (aic31xx_divs[aic31xx->rate_div_line].madc)
                snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
        snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
}

static void aic31xx_clk_off(struct snd_soc_component *component)
{
        u8 mask = AIC31XX_PM_MASK;
        u8 off = 0;

        dev_dbg(component->dev, "codec clock -> off\n");
        snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
        snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
        snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
        snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
        snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
        snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
}

static int aic31xx_power_on(struct snd_soc_component *component)
{
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        int ret;

        ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
                                    aic31xx->supplies);
        if (ret)
                return ret;

        regcache_cache_only(aic31xx->regmap, false);

        /* Reset device registers for a consistent power-on like state */
        ret = aic31xx_reset(aic31xx);
        if (ret < 0)
                dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);

        ret = regcache_sync(aic31xx->regmap);
        if (ret) {
                dev_err(component->dev,
                        "Failed to restore cache: %d\n", ret);
                regcache_cache_only(aic31xx->regmap, true);
                regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
                                       aic31xx->supplies);
                return ret;
        }

        /*
         * The jack detection configuration is in the same register
         * that is used to report jack detect status so is volatile
         * and not covered by the cache sync, restore it separately.
         */
        aic31xx_set_jack(component, aic31xx->jack, NULL);

        return 0;
}

static void aic31xx_power_off(struct snd_soc_component *component)
{
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);

        regcache_cache_only(aic31xx->regmap, true);
        regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
                               aic31xx->supplies);
}

static int aic31xx_set_bias_level(struct snd_soc_component *component,
                                  enum snd_soc_bias_level level)
{
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);

        dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
                snd_soc_dapm_get_bias_level(dapm), level);

        switch (level) {
        case SND_SOC_BIAS_ON:
                break;
        case SND_SOC_BIAS_PREPARE:
                if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_STANDBY)
                        aic31xx_clk_on(component);
                break;
        case SND_SOC_BIAS_STANDBY:
                switch (snd_soc_dapm_get_bias_level(dapm)) {
                case SND_SOC_BIAS_OFF:
                        aic31xx_power_on(component);
                        break;
                case SND_SOC_BIAS_PREPARE:
                        aic31xx_clk_off(component);
                        break;
                default:
                        BUG();
                }
                break;
        case SND_SOC_BIAS_OFF:
                if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_STANDBY)
                        aic31xx_power_off(component);
                break;
        }

        return 0;
}

static int aic31xx_set_jack(struct snd_soc_component *component,
                            struct snd_soc_jack *jack, void *data)
{
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);

        aic31xx->jack = jack;

        /* Enable/Disable jack detection */
        regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
                     jack ? AIC31XX_HSD_ENABLE : 0);

        return 0;
}

static int aic31xx_codec_probe(struct snd_soc_component *component)
{
        struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
        int i, ret;

        dev_dbg(aic31xx->dev, "## %s\n", __func__);

        aic31xx->component = component;

        for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
                aic31xx->disable_nb[i].nb.notifier_call =
                        aic31xx_regulator_event;
                aic31xx->disable_nb[i].aic31xx = aic31xx;
                ret = devm_regulator_register_notifier(
                                                aic31xx->supplies[i].consumer,
                                                &aic31xx->disable_nb[i].nb);
                if (ret) {
                        dev_err(component->dev,
                                "Failed to request regulator notifier: %d\n",
                                ret);
                        return ret;
                }
        }

        regcache_cache_only(aic31xx->regmap, true);
        regcache_mark_dirty(aic31xx->regmap);

        ret = aic31xx_add_controls(component);
        if (ret)
                return ret;

        ret = aic31xx_add_widgets(component);
        if (ret)
                return ret;

        /* set output common-mode voltage */
        snd_soc_component_update_bits(component, AIC31XX_HPDRIVER,
                                      AIC31XX_HPD_OCMV_MASK,
                                      aic31xx->ocmv << AIC31XX_HPD_OCMV_SHIFT);

        return 0;
}

static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
        .probe                  = aic31xx_codec_probe,
        .set_jack               = aic31xx_set_jack,
        .set_bias_level         = aic31xx_set_bias_level,
        .controls               = common31xx_snd_controls,
        .num_controls           = ARRAY_SIZE(common31xx_snd_controls),
        .dapm_widgets           = common31xx_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(common31xx_dapm_widgets),
        .dapm_routes            = common31xx_audio_map,
        .num_dapm_routes        = ARRAY_SIZE(common31xx_audio_map),
        .suspend_bias_off       = 1,
        .idle_bias_on           = 1,
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static const struct snd_soc_dai_ops aic31xx_dai_ops = {
        .hw_params      = aic31xx_hw_params,
        .set_sysclk     = aic31xx_set_dai_sysclk,
        .set_fmt        = aic31xx_set_dai_fmt,
        .mute_stream    = aic31xx_dac_mute,
        .no_capture_mute = 1,
};

static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
        {
                .name = "tlv320dac31xx-hifi",
                .playback = {
                        .stream_name     = "Playback",
                        .channels_min    = 2,
                        .channels_max    = 2,
                        .rates           = AIC31XX_RATES,
                        .formats         = AIC31XX_FORMATS,
                },
                .ops = &aic31xx_dai_ops,
                .symmetric_rate = 1,
        }
};

static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
        {
                .name = "tlv320aic31xx-hifi",
                .playback = {
                        .stream_name     = "Playback",
                        .channels_min    = 2,
                        .channels_max    = 2,
                        .rates           = AIC31XX_RATES,
                        .formats         = AIC31XX_FORMATS,
                },
                .capture = {
                        .stream_name     = "Capture",
                        .channels_min    = 2,
                        .channels_max    = 2,
                        .rates           = AIC31XX_RATES,
                        .formats         = AIC31XX_FORMATS,
                },
                .ops = &aic31xx_dai_ops,
                .symmetric_rate = 1,
        }
};

#if defined(CONFIG_OF)
static const struct of_device_id tlv320aic31xx_of_match[] = {
        { .compatible = "ti,tlv320aic310x" },
        { .compatible = "ti,tlv320aic311x" },
        { .compatible = "ti,tlv320aic3100" },
        { .compatible = "ti,tlv320aic3110" },
        { .compatible = "ti,tlv320aic3120" },
        { .compatible = "ti,tlv320aic3111" },
        { .compatible = "ti,tlv320dac3100" },
        { .compatible = "ti,tlv320dac3101" },
        {},
};
MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
#endif /* CONFIG_OF */

#ifdef CONFIG_ACPI
static const struct acpi_device_id aic31xx_acpi_match[] = {
        { "10TI3100", 0 },
        { }
};
MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
#endif

static irqreturn_t aic31xx_irq(int irq, void *data)
{
        struct aic31xx_priv *aic31xx = data;
        struct device *dev = aic31xx->dev;
        unsigned int value;
        bool handled = false;
        int ret;

        ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
        if (ret) {
                dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
                goto exit;
        }

        if (value)
                handled = true;
        else
                goto read_overflow;

        if (value & AIC31XX_HPLSCDETECT)
                dev_err(dev, "Short circuit on Left output is detected\n");
        if (value & AIC31XX_HPRSCDETECT)
                dev_err(dev, "Short circuit on Right output is detected\n");
        if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
                unsigned int val;
                int status = 0;

                ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
                                  &val);
                if (ret) {
                        dev_err(dev, "Failed to read interrupt mask: %d\n",
                                ret);
                        goto exit;
                }

                if (val & AIC31XX_BUTTONPRESS)
                        status |= SND_JACK_BTN_0;

                ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
                if (ret) {
                        dev_err(dev, "Failed to read headset type: %d\n", ret);
                        goto exit;
                }

                switch ((val & AIC31XX_HSD_TYPE_MASK) >>
                        AIC31XX_HSD_TYPE_SHIFT) {
                case AIC31XX_HSD_HP:
                        status |= SND_JACK_HEADPHONE;
                        break;
                case AIC31XX_HSD_HS:
                        status |= SND_JACK_HEADSET;
                        break;
                default:
                        break;
                }

                if (aic31xx->jack)
                        snd_soc_jack_report(aic31xx->jack, status,
                                            AIC31XX_JACK_MASK);
        }
        if (value & ~(AIC31XX_HPLSCDETECT |
                      AIC31XX_HPRSCDETECT |
                      AIC31XX_HSPLUG |
                      AIC31XX_BUTTONPRESS))
                dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);

read_overflow:
        ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
        if (ret) {
                dev_err(dev, "Failed to read overflow flag: %d\n", ret);
                goto exit;
        }

        if (value)
                handled = true;
        else
                goto exit;

        if (value & AIC31XX_DAC_OF_LEFT)
                dev_warn(dev, "Left-channel DAC overflow has occurred\n");
        if (value & AIC31XX_DAC_OF_RIGHT)
                dev_warn(dev, "Right-channel DAC overflow has occurred\n");
        if (value & AIC31XX_DAC_OF_SHIFTER)
                dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
        if (value & AIC31XX_ADC_OF)
                dev_warn(dev, "ADC overflow has occurred\n");
        if (value & AIC31XX_ADC_OF_SHIFTER)
                dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
        if (value & ~(AIC31XX_DAC_OF_LEFT |
                      AIC31XX_DAC_OF_RIGHT |
                      AIC31XX_DAC_OF_SHIFTER |
                      AIC31XX_ADC_OF |
                      AIC31XX_ADC_OF_SHIFTER))
                dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);

exit:
        if (handled)
                return IRQ_HANDLED;
        else
                return IRQ_NONE;
}

static void aic31xx_configure_ocmv(struct aic31xx_priv *priv)
{
        struct device *dev = priv->dev;
        int dvdd, avdd;
        u32 value;

        if (dev->fwnode &&
            fwnode_property_read_u32(dev->fwnode, "ai31xx-ocmv", &value)) {
                /* OCMV setting is forced by DT */
                if (value <= 3) {
                        priv->ocmv = value;
                        return;
                }
        }

        avdd = regulator_get_voltage(priv->supplies[3].consumer);
        dvdd = regulator_get_voltage(priv->supplies[5].consumer);

        if (avdd > 3600000 || dvdd > 1950000) {
                dev_warn(dev,
                         "Too high supply voltage(s) AVDD: %d, DVDD: %d\n",
                         avdd, dvdd);
        } else if (avdd == 3600000 && dvdd == 1950000) {
                priv->ocmv = AIC31XX_HPD_OCMV_1_8V;
        } else if (avdd >= 3300000 && dvdd >= 1800000) {
                priv->ocmv = AIC31XX_HPD_OCMV_1_65V;
        } else if (avdd >= 3000000 && dvdd >= 1650000) {
                priv->ocmv = AIC31XX_HPD_OCMV_1_5V;
        } else if (avdd >= 2700000 && dvdd >= 1525000) {
                priv->ocmv = AIC31XX_HPD_OCMV_1_35V;
        } else {
                dev_warn(dev,
                         "Invalid supply voltage(s) AVDD: %d, DVDD: %d\n",
                         avdd, dvdd);
        }
}

static const struct i2c_device_id aic31xx_i2c_id[] = {
        { "tlv320aic310x", AIC3100 },
        { "tlv320aic311x", AIC3110 },
        { "tlv320aic3100", AIC3100 },
        { "tlv320aic3110", AIC3110 },
        { "tlv320aic3120", AIC3120 },
        { "tlv320aic3111", AIC3111 },
        { "tlv320dac3100", DAC3100 },
        { "tlv320dac3101", DAC3101 },
        { }
};
MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);

static int tlv320dac3100_fw_load(struct aic31xx_priv *aic31xx,
                                 const u8 *data, size_t size)
{
        int ret, reg;
        u16 val16;

        /*
         * Coefficients firmware binary structure. Multi-byte values are big-endian.
         *
         * @0, 16bits: Magic (0xB30C)
         * @2, 16bits: Version (0x0100 for version 1.0)
         * @4, 8bits: DAC Processing Block Selection
         * @5, 62 16-bit values: Page 8 buffer A DAC programmable filter coefficients
         * @129, 12 16-bit values: Page 9 Buffer A DAC programmable filter coefficients
         *
         * Filter coefficients are interpreted as two's complement values
         * ranging from -32 768 to 32 767. For more details on filter coefficients,
         * please refer to the TLV320DAC3100 datasheet, tables 6-120 and 6-123.
         */

        if (size != 153) {
                dev_err(aic31xx->dev, "firmware size is %zu, expected 153 bytes\n", size);
                return -EINVAL;
        }

        /* Check magic */
        val16 = get_unaligned_be16(data);
        if (val16 != 0xb30c) {
                dev_err(aic31xx->dev, "fw magic is 0x%04x expected 0xb30c\n", val16);
                return -EINVAL;
        }
        data += 2;

        /* Check version */
        val16 = get_unaligned_be16(data);
        if (val16 != 0x0100) {
                dev_err(aic31xx->dev, "invalid firmware version 0x%04x! expected 1", val16);
                return -EINVAL;
        }
        data += 2;

        ret = regmap_write(aic31xx->regmap, AIC31XX_DACPRB, *data);
        if (ret) {
                dev_err(aic31xx->dev, "failed to write PRB index: err %d\n", ret);
                return ret;
        }
        data += 1;

        /* Page 8 Buffer A coefficients */
        for (reg = 2; reg < 126; reg++) {
                ret = regmap_write(aic31xx->regmap, AIC31XX_REG(8, reg), *data);
                if (ret) {
                        dev_err(aic31xx->dev,
                                "failed to write page 8 filter coefficient %d: err %d\n", reg, ret);
                        return ret;
                }
                data++;
        }

        /* Page 9 Buffer A coefficients */
        for (reg = 2; reg < 26; reg++) {
                ret = regmap_write(aic31xx->regmap, AIC31XX_REG(9, reg), *data);
                if (ret) {
                        dev_err(aic31xx->dev,
                                "failed to write page 9 filter coefficient %d: err %d\n", reg, ret);
                        return ret;
                }
                data++;
        }

        dev_info(aic31xx->dev, "done loading DAC filter coefficients\n");

        return ret;
}

static int tlv320dac3100_load_coeffs(struct aic31xx_priv *aic31xx,
                                     const char *fw_name)
{
        const struct firmware *fw;
        int ret;

        ret = request_firmware(&fw, fw_name, aic31xx->dev);
        if (ret)
                return ret;

        ret = tlv320dac3100_fw_load(aic31xx, fw->data, fw->size);

        release_firmware(fw);

        return ret;
}

static int aic31xx_i2c_probe(struct i2c_client *i2c)
{
        struct aic31xx_priv *aic31xx;
        unsigned int micbias_value = MICBIAS_2_0V;
        int i, ret;

        aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
        if (!aic31xx)
                return -ENOMEM;

        aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
        if (IS_ERR(aic31xx->regmap)) {
                ret = PTR_ERR(aic31xx->regmap);
                dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
                        ret);
                return ret;
        }
        regcache_cache_only(aic31xx->regmap, true);

        aic31xx->dev = &i2c->dev;
        aic31xx->irq = i2c->irq;

        aic31xx->codec_type = (uintptr_t)i2c_get_match_data(i2c);

        dev_set_drvdata(aic31xx->dev, aic31xx);

        fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
                                 &micbias_value);
        switch (micbias_value) {
        case MICBIAS_2_0V:
        case MICBIAS_2_5V:
        case MICBIAS_AVDDV:
                aic31xx->micbias_vg = micbias_value;
                break;
        default:
                dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
                        micbias_value);
                aic31xx->micbias_vg = MICBIAS_2_0V;
        }

        if (dev_get_platdata(aic31xx->dev)) {
                memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
                aic31xx->codec_type = aic31xx->pdata.codec_type;
                aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
        }

        aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
                                                      GPIOD_OUT_LOW);
        if (IS_ERR(aic31xx->gpio_reset))
                return dev_err_probe(aic31xx->dev, PTR_ERR(aic31xx->gpio_reset),
                                     "not able to acquire gpio\n");

        for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
                aic31xx->supplies[i].supply = aic31xx_supply_names[i];

        ret = devm_regulator_bulk_get(aic31xx->dev,
                                      ARRAY_SIZE(aic31xx->supplies),
                                      aic31xx->supplies);
        if (ret)
                return dev_err_probe(aic31xx->dev, ret, "Failed to request supplies\n");

        aic31xx_configure_ocmv(aic31xx);

        if (aic31xx->irq > 0) {
                regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
                                   AIC31XX_GPIO1_FUNC_MASK,
                                   AIC31XX_GPIO1_INT1 <<
                                   AIC31XX_GPIO1_FUNC_SHIFT);

                regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
                             AIC31XX_HSPLUGDET |
                             AIC31XX_BUTTONPRESSDET |
                             AIC31XX_SC |
                             AIC31XX_ENGINE);

                ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
                                                NULL, aic31xx_irq,
                                                IRQF_ONESHOT, "aic31xx-irq",
                                                aic31xx);
                if (ret) {
                        dev_err(aic31xx->dev, "Unable to request IRQ\n");
                        return ret;
                }
        }

        if (aic31xx->codec_type == DAC3100) {
                ret = tlv320dac3100_load_coeffs(aic31xx, "tlv320dac3100-coeffs.bin");
                if (ret)
                        dev_warn(aic31xx->dev, "Did not load any filter coefficients\n");
        }

        if (aic31xx->codec_type & DAC31XX_BIT)
                return devm_snd_soc_register_component(&i2c->dev,
                                &soc_codec_driver_aic31xx,
                                dac31xx_dai_driver,
                                ARRAY_SIZE(dac31xx_dai_driver));
        else
                return devm_snd_soc_register_component(&i2c->dev,
                                &soc_codec_driver_aic31xx,
                                aic31xx_dai_driver,
                                ARRAY_SIZE(aic31xx_dai_driver));
}

static struct i2c_driver aic31xx_i2c_driver = {
        .driver = {
                .name   = "tlv320aic31xx-codec",
                .of_match_table = of_match_ptr(tlv320aic31xx_of_match),
                .acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
        },
        .probe          = aic31xx_i2c_probe,
        .id_table       = aic31xx_i2c_id,
};
module_i2c_driver(aic31xx_i2c_driver);

MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
MODULE_LICENSE("GPL v2");