root/sound/soc/codecs/sma1307.c
// SPDX-License-Identifier: GPL-2.0-or-later
// sma1307.c -- sma1307 ALSA SoC Audio driver
//
// Copyright 2024 Iron Device Corporation
//
// Auther: Gyuhwa Park <gyuwha.park@irondevice.com>
// Auther: Kiseok Jo <kiseok.jo@irondevice.com>

#include <linux/firmware.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include "sma1307.h"

#define CHECK_PERIOD_TIME 1     /* sec per HZ */
#define PLL_MATCH(_input_clk_name, _output_clk_name, _input_clk,\
                _post_n, _n, _vco,  _p_cp)\
{\
        .input_clk_name         = _input_clk_name,\
        .output_clk_name        = _output_clk_name,\
        .input_clk              = _input_clk,\
        .post_n                 = _post_n,\
        .n                      = _n,\
        .vco                    = _vco,\
        .p_cp                   = _p_cp,\
}

static const char *setting_file = "sma1307_setting.bin";
#define SMA1307_SETTING_CHECKSUM 0x100000

/* PLL clock setting Table */
struct sma1307_pll_match {
        char *input_clk_name;
        char *output_clk_name;
        unsigned int input_clk;
        unsigned int post_n;
        unsigned int n;
        unsigned int vco;
        unsigned int p_cp;
};

struct sma1307_data {
        char *name;
        void (*init)(struct regmap *regmap);
};

struct sma1307_priv {
        bool check_fault_status;
        bool force_mute_status;
        bool sw_ot1_prot;
        char *name;
        enum sma1307_mode amp_mode;
        int binary_mode;
        int dapm_aif_in;
        int dapm_aif_out0;
        int dapm_aif_out1;
        int dapm_sdo_en;
        int dapm_sdo_setting;
        int num_of_pll_matches;
        int check_fault_period;
        struct delayed_work check_fault_work;
        struct device *dev;
        struct kobject *kobj;
        struct mutex default_lock;
        struct regmap *regmap;
        struct sma1307_setting_file set;
        const struct sma1307_pll_match *pll_matches;
        const struct sma1307_data *data;
        unsigned int cur_vol;
        unsigned int format;
        unsigned int frame_size;
        unsigned int init_vol;
        unsigned int last_bclk;
        unsigned int otp_trm2;
        unsigned int otp_trm3;
        unsigned int rev_num;
        unsigned int sys_clk_id;
        unsigned int tdm_slot0_rx;
        unsigned int tdm_slot1_rx;
        unsigned int tdm_slot0_tx;
        unsigned int tdm_slot1_tx;
        unsigned int tsdw_cnt;
};

static const struct sma1307_pll_match sma1307_pll_matches[] = {
        /* in_clk_name, out_clk_name, input_clk post_n, n, vco, p_cp */
        PLL_MATCH("1.411MHz", "24.554MHz",
                  1411200, 0x06, 0xD1, 0x88, 0x00),
        PLL_MATCH("1.536MHz", "24.576MHz",
                  1536000, 0x06, 0xC0, 0x88, 0x00),
        PLL_MATCH("2.822MHz", "24.554MHz",
                  2822400, 0x06, 0xD1, 0x88, 0x04),
        PLL_MATCH("3.072MHz", "24.576MHz",
                  3072000, 0x06, 0x60, 0x88, 0x00),
        PLL_MATCH("6.144MHz", "24.576MHz",
                  6144000, 0x06, 0x60, 0x88, 0x04),
        PLL_MATCH("12.288MHz", "24.576MHz",
                  12288000, 0x06, 0x60, 0x88, 0x08),
        PLL_MATCH("19.2MHz", "24.48MHz",
                  19200000, 0x06, 0x7B, 0x88, 0x0C),
        PLL_MATCH("24.576MHz", "24.576MHz",
                  24576000, 0x06, 0x60, 0x88, 0x0C),
};

static struct snd_soc_component *sma1307_amp_component;

static void sma1307_startup(struct snd_soc_component *);
static void sma1307_shutdown(struct snd_soc_component *);
static void sma1307_reset(struct snd_soc_component *);
static void sma1307_set_binary(struct snd_soc_component *);
static void sma1307_set_default(struct snd_soc_component *);

/* Initial register value - 6.0W SPK (8ohm load)  */
static const struct reg_default sma1307_reg_def[] = {
        { 0x00, 0x80 },
        { 0x01, 0x00 },
        { 0x02, 0x52 },
        { 0x03, 0x4C },
        { 0x04, 0x47 },
        { 0x05, 0x42 },
        { 0x06, 0x40 },
        { 0x07, 0x40 },
        { 0x08, 0x3C },
        { 0x09, 0x2F },
        { 0x0A, 0x32 },
        { 0x0B, 0x50 },
        { 0x0C, 0x8C },
        { 0x0D, 0x00 },
        { 0x0E, 0x3F },
        { 0x0F, 0x00 },
        { 0x10, 0x00 },
        { 0x11, 0x00 },
        { 0x12, 0x00 },
        { 0x13, 0x09 },
        { 0x14, 0x12 },
        { 0x1C, 0x00 },
        { 0x1D, 0x85 },
        { 0x1E, 0xA1 },
        { 0x1F, 0x67 },
        { 0x22, 0x00 },
        { 0x23, 0x1F },
        { 0x24, 0x7A },
        { 0x25, 0x00 },
        { 0x26, 0xFF },
        { 0x27, 0x39 },
        { 0x28, 0x54 },
        { 0x29, 0x92 },
        { 0x2A, 0xB0 },
        { 0x2B, 0xED },
        { 0x2C, 0xED },
        { 0x2D, 0xFF },
        { 0x2E, 0xFF },
        { 0x2F, 0xFF },
        { 0x30, 0xFF },
        { 0x31, 0xFF },
        { 0x32, 0xFF },
        { 0x34, 0x01 },
        { 0x35, 0x17 },
        { 0x36, 0x92 },
        { 0x37, 0x00 },
        { 0x38, 0x01 },
        { 0x39, 0x10 },
        { 0x3E, 0x01 },
        { 0x3F, 0x08 },
        { 0x8B, 0x05 },
        { 0x8C, 0x50 },
        { 0x8D, 0x80 },
        { 0x8E, 0x10 },
        { 0x8F, 0x02 },
        { 0x90, 0x02 },
        { 0x91, 0x83 },
        { 0x92, 0xC0 },
        { 0x93, 0x00 },
        { 0x94, 0xA4 },
        { 0x95, 0x74 },
        { 0x96, 0x57 },
        { 0xA2, 0xCC },
        { 0xA3, 0x28 },
        { 0xA4, 0x40 },
        { 0xA5, 0x01 },
        { 0xA6, 0x41 },
        { 0xA7, 0x08 },
        { 0xA8, 0x04 },
        { 0xA9, 0x27 },
        { 0xAA, 0x10 },
        { 0xAB, 0x10 },
        { 0xAC, 0x10 },
        { 0xAD, 0x0F },
        { 0xAE, 0xCD },
        { 0xAF, 0x70 },
        { 0xB0, 0x03 },
        { 0xB1, 0xEF },
        { 0xB2, 0x03 },
        { 0xB3, 0xEF },
        { 0xB4, 0xF3 },
        { 0xB5, 0x3D },
};

static bool sma1307_readable_register(struct device *dev, unsigned int reg)
{
        if (reg > SMA1307_FF_DEVICE_INDEX)
                return false;

        switch (reg) {
        case SMA1307_00_SYSTEM_CTRL ... SMA1307_1F_TONE_FINE_VOLUME:
        case SMA1307_22_COMP_HYS_SEL ... SMA1307_32_BROWN_OUT_PROT19:
        case SMA1307_34_OCP_SPK ... SMA1307_39_PMT_NZ_VAL:
        case SMA1307_3B_TEST1 ... SMA1307_3F_ATEST2:
        case SMA1307_8B_PLL_POST_N ... SMA1307_9A_OTP_TRM3:
        case SMA1307_A0_PAD_CTRL0 ... SMA1307_BE_MCBS_CTRL2:
        case SMA1307_F5_READY_FOR_V_SAR:
        case SMA1307_F7_READY_FOR_T_SAR ... SMA1307_FF_DEVICE_INDEX:
                break;
        default:
                return false;
        }
        return true;
}

static bool sma1307_writeable_register(struct device *dev, unsigned int reg)
{
        if (reg > SMA1307_FF_DEVICE_INDEX)
                return false;

        switch (reg) {
        case SMA1307_00_SYSTEM_CTRL ... SMA1307_1F_TONE_FINE_VOLUME:
        case SMA1307_22_COMP_HYS_SEL ... SMA1307_32_BROWN_OUT_PROT19:
        case SMA1307_34_OCP_SPK ... SMA1307_39_PMT_NZ_VAL:
        case SMA1307_3B_TEST1 ... SMA1307_3F_ATEST2:
        case SMA1307_8B_PLL_POST_N ... SMA1307_9A_OTP_TRM3:
        case SMA1307_A0_PAD_CTRL0 ... SMA1307_BE_MCBS_CTRL2:
                break;
        default:
                return false;
        }
        return true;
}

static bool sma1307_volatile_register(struct device *dev, unsigned int reg)
{
        if (reg > SMA1307_FF_DEVICE_INDEX)
                return false;

        switch (reg) {
        case SMA1307_F8_STATUS_T1 ... SMA1307_FF_DEVICE_INDEX:
                break;
        default:
                return false;
        }
        return true;
}

/* DB scale conversion of speaker volume */
static const DECLARE_TLV_DB_SCALE(sma1307_spk_tlv, -6000, 50, 0);

static const char *const sma1307_aif_in_source_text[] = {
        "Mono", "Left", "Right"
};

static const char *const sma1307_sdo_setting_text[] = {
        "Data_One_48k", "Data_Two_48k", "Data_Two_24k",
        "Clk_PLL", "Clk_OSC"
};

static const char *const sma1307_aif_out_source_text[] = {
        "Disable", "After_FmtC", "After_Mixer", "After_DSP",
        "Vrms2_Avg", "Battery", "Temperature", "After_Delay"
};

static const char *const sma1307_tdm_slot_text[] = {
        "Slot0", "Slot1", "Slot2", "Slot3",
        "Slot4", "Slot5", "Slot6", "Slot7"
};

static const char *const sma1307_binary_mode_text[] = {
        "Mode0", "Mode1", "Mode2", "Mode3", "Mode4"
};

static const char *const sma1307_reset_text[] = {
        "Reset"
};

static const struct soc_enum sma1307_aif_in_source_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1307_aif_in_source_text),
                    sma1307_aif_in_source_text);
static const struct soc_enum sma1307_sdo_setting_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1307_sdo_setting_text),
                    sma1307_sdo_setting_text);
static const struct soc_enum sma1307_aif_out_source_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1307_aif_out_source_text),
                    sma1307_aif_out_source_text);
static const struct soc_enum sma1307_tdm_slot_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1307_tdm_slot_text),
                    sma1307_tdm_slot_text);
static const struct soc_enum sma1307_binary_mode_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1307_binary_mode_text),
                    sma1307_binary_mode_text);
static const struct soc_enum sma1307_reset_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1307_reset_text),
                    sma1307_reset_text);

static int sma1307_force_mute_get(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.integer.value[0] = (int)sma1307->force_mute_status;

        return 0;
}

static int sma1307_force_mute_put(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        bool change = false, val = (bool)ucontrol->value.integer.value[0];

        if (sma1307->force_mute_status == val) {
                change = false;
        } else {
                change = true;
                sma1307->force_mute_status = val;
        }

        return change;
}

static int sma1307_tdm_slot_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int val1, val2;

        regmap_read(sma1307->regmap, SMA1307_A5_TDM1, &val1);
        regmap_read(sma1307->regmap, SMA1307_A6_TDM2, &val2);

        if (!strcmp(kcontrol->id.name, SMA1307_TDM_RX0_POS_NAME)) {
                ucontrol->value.integer.value[0]
                    = (val1 & SMA1307_TDM_SLOT0_RX_POS_MASK) >> 3;
                sma1307->tdm_slot0_rx = ucontrol->value.integer.value[0];
        } else if (!strcmp(kcontrol->id.name, SMA1307_TDM_RX1_POS_NAME)) {
                ucontrol->value.integer.value[0]
                    = val1 & SMA1307_TDM_SLOT1_RX_POS_MASK;
                sma1307->tdm_slot1_rx = ucontrol->value.integer.value[0];
        } else if (!strcmp(kcontrol->id.name, SMA1307_TDM_TX0_POS_NAME)) {
                ucontrol->value.integer.value[0]
                    = (val2 & SMA1307_TDM_SLOT0_TX_POS_MASK) >> 3;
                sma1307->tdm_slot0_tx = ucontrol->value.integer.value[0];
        } else if (!strcmp(kcontrol->id.name, SMA1307_TDM_TX1_POS_NAME)) {
                ucontrol->value.integer.value[0]
                    = val2 & SMA1307_TDM_SLOT1_TX_POS_MASK;
                sma1307->tdm_slot1_tx = ucontrol->value.integer.value[0];
        } else {
                return -EINVAL;
        }

        return 0;
}

static int sma1307_tdm_slot_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int val = (int)ucontrol->value.integer.value[0];
        bool change;

        if (!strcmp(kcontrol->id.name, SMA1307_TDM_RX0_POS_NAME)) {
                if (sma1307->tdm_slot0_rx == val)
                        change = false;
                else {
                        change = true;
                        sma1307->tdm_slot0_rx = val;
                        regmap_update_bits(sma1307->regmap, SMA1307_A5_TDM1,
                                SMA1307_TDM_SLOT0_RX_POS_MASK, val << 3);
                }
        } else if (!strcmp(kcontrol->id.name, SMA1307_TDM_RX1_POS_NAME)) {
                if (sma1307->tdm_slot1_rx == val)
                        change = false;
                else {
                        change = true;
                        sma1307->tdm_slot1_rx = val;
                        regmap_update_bits(sma1307->regmap, SMA1307_A5_TDM1,
                                SMA1307_TDM_SLOT1_RX_POS_MASK, val);
                }
        } else if (!strcmp(kcontrol->id.name, SMA1307_TDM_TX0_POS_NAME)) {
                if (sma1307->tdm_slot0_tx == val)
                        change = false;
                else {
                        change = true;
                        sma1307->tdm_slot0_tx = val;
                        regmap_update_bits(sma1307->regmap, SMA1307_A6_TDM2,
                                SMA1307_TDM_SLOT0_TX_POS_MASK, val << 3);
                }
        } else if (!strcmp(kcontrol->id.name, SMA1307_TDM_TX1_POS_NAME)) {
                if (sma1307->tdm_slot1_tx == val)
                        change = false;
                else {
                        change = true;
                        sma1307->tdm_slot1_tx = val;
                        regmap_update_bits(sma1307->regmap, SMA1307_A6_TDM2,
                                SMA1307_TDM_SLOT1_TX_POS_MASK, val);
                }
        } else {
                dev_err(sma1307->dev, "%s: Invalid Control ID - %s\n",
                        __func__, kcontrol->id.name);
                return -EINVAL;
        }

        return change;
}

static int sma1307_sw_ot1_prot_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.integer.value[0] = (int)sma1307->sw_ot1_prot;

        return 0;
}

static int sma1307_sw_ot1_prot_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        bool change = false, val = (bool)ucontrol->value.integer.value[0];

        if (sma1307->sw_ot1_prot == val)
                change = false;
        else {
                change = true;
                sma1307->sw_ot1_prot = val;
        }

        return change;
}

static int sma1307_check_fault_status_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.integer.value[0] = (int)sma1307->check_fault_status;

        return 0;
}

static int sma1307_check_fault_status_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        bool change = false, val = (bool)ucontrol->value.integer.value[0];

        if (sma1307->check_fault_status == val) {
                change = false;
        } else {
                change = true;
                sma1307->check_fault_status = val;
        }

        return change;
}

static int sma1307_check_fault_period_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.integer.value[0] = sma1307->check_fault_period;

        return 0;
}

static int sma1307_check_fault_period_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        struct soc_mixer_control *mc =
                (struct soc_mixer_control *)kcontrol->private_value;
        bool change = false;
        int val  = ucontrol->value.integer.value[0];

        if (val < mc->min || val > mc->max)
                return -EINVAL;
        if (sma1307->check_fault_period == val) {
                change = false;
        } else {
                change = true;
                sma1307->check_fault_period = val;
        }

        return change;
}

static int sma1307_reset_put(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        regmap_update_bits(sma1307->regmap, SMA1307_00_SYSTEM_CTRL,
                                   SMA1307_RESET_MASK, SMA1307_RESET_ON);
        sma1307_reset(component);

        snd_ctl_notify(component->card->snd_card, SNDRV_CTL_EVENT_MASK_VALUE,
                                        &kcontrol->id);

        return true;
}

static int sma1307_binary_mode_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        struct sma1307_priv *sma1307 = snd_kcontrol_chip(kcontrol);

        sma1307->binary_mode = (int)ucontrol->value.enumerated.item[0];
        if (sma1307->set.status)
                sma1307_set_binary(component);

        return snd_soc_put_enum_double(kcontrol, ucontrol);
}

static void sma1307_startup(struct snd_soc_component *component)
{
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        regmap_update_bits(sma1307->regmap, SMA1307_A2_TOP_MAN1,
                                   SMA1307_PLL_MASK, SMA1307_PLL_ON);
        regmap_update_bits(sma1307->regmap, SMA1307_00_SYSTEM_CTRL,
                                   SMA1307_POWER_MASK, SMA1307_POWER_ON);

        if (sma1307->amp_mode == SMA1307_MONO_MODE) {
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_10_SYSTEM_CTRL1,
                                           SMA1307_SPK_MODE_MASK,
                                           SMA1307_SPK_MONO);
        } else {
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_10_SYSTEM_CTRL1,
                                           SMA1307_SPK_MODE_MASK,
                                           SMA1307_SPK_STEREO);
        }

        if (sma1307->check_fault_status) {
                if (sma1307->check_fault_period > 0)
                        queue_delayed_work(system_freezable_wq,
                                           &sma1307->check_fault_work,
                                           sma1307->check_fault_period * HZ);
                else
                        queue_delayed_work(system_freezable_wq,
                                           &sma1307->check_fault_work,
                                           CHECK_PERIOD_TIME * HZ);
        }
}

static void sma1307_shutdown(struct snd_soc_component *component)
{
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        /* for SMA1307A */
        cancel_delayed_work_sync(&sma1307->check_fault_work);

        regmap_update_bits(sma1307->regmap, SMA1307_0E_MUTE_VOL_CTRL,
                                   SMA1307_SPK_MUTE_MASK, SMA1307_SPK_MUTE);
        /* Need to wait time for mute slope */
        msleep(55);

        regmap_update_bits(sma1307->regmap, SMA1307_10_SYSTEM_CTRL1,
                                   SMA1307_SPK_MODE_MASK, SMA1307_SPK_OFF);
        regmap_update_bits(sma1307->regmap, SMA1307_A2_TOP_MAN1,
                                   SMA1307_PLL_MASK, SMA1307_PLL_OFF);
        regmap_update_bits(sma1307->regmap, SMA1307_00_SYSTEM_CTRL,
                                   SMA1307_POWER_MASK, SMA1307_POWER_OFF);
}

static int sma1307_aif_in_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 sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        unsigned int mux = sma1307->dapm_aif_in;

        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
                switch (mux) {
                case SMA1307_MONO_MODE:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_11_SYSTEM_CTRL2,
                                                   SMA1307_MONOMIX_MASK,
                                                   SMA1307_MONOMIX_ON);
                        break;
                case SMA1307_LEFT_MODE:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_11_SYSTEM_CTRL2,
                                                   SMA1307_MONOMIX_MASK,
                                                   SMA1307_MONOMIX_OFF);
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_11_SYSTEM_CTRL2,
                                                   SMA1307_LR_DATA_SW_MASK,
                                                   SMA1307_LR_DATA_SW_NORMAL);
                        break;
                case SMA1307_RIGHT_MODE:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_11_SYSTEM_CTRL2,
                                                   SMA1307_MONOMIX_MASK,
                                                   SMA1307_MONOMIX_OFF);
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_11_SYSTEM_CTRL2,
                                                   SMA1307_LR_DATA_SW_MASK,
                                                   SMA1307_LR_DATA_SW_SWAP);
                        break;
                default:

                        dev_err(sma1307->dev, "%s: Invalid value (%d)\n",
                                __func__, mux);
                        return -EINVAL;
                }
                sma1307->amp_mode = mux;
                break;
        }
        return 0;
}

static int sma1307_sdo_setting_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 sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        unsigned int mux = sma1307->dapm_sdo_setting;

        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
                switch (mux) {
                case SMA1307_OUT_DATA_ONE_48K:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A2_TOP_MAN1,
                                                   SMA1307_SDO_OUTPUT2_MASK,
                                                   SMA1307_ONE_SDO_PER_CH);
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A3_TOP_MAN2,
                                                   SMA1307_SDO_OUTPUT3_MASK
                                                   |
                                                   SMA1307_DATA_CLK_SEL_MASK,
                                                   SMA1307_SDO_OUTPUT3_DIS
                                                   | SMA1307_SDO_DATA);
                        break;
                case SMA1307_OUT_DATA_TWO_48K:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A2_TOP_MAN1,
                                                   SMA1307_SDO_OUTPUT2_MASK,
                                                   SMA1307_TWO_SDO_PER_CH);
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A3_TOP_MAN2,
                                                   SMA1307_SDO_OUTPUT3_MASK
                                                   |
                                                   SMA1307_DATA_CLK_SEL_MASK,
                                                   SMA1307_SDO_OUTPUT3_DIS
                                                   | SMA1307_SDO_DATA);
                        break;
                case SMA1307_OUT_DATA_TWO_24K:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A2_TOP_MAN1,
                                                   SMA1307_SDO_OUTPUT2_MASK,
                                                   SMA1307_TWO_SDO_PER_CH);
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A3_TOP_MAN2,
                                                   SMA1307_SDO_OUTPUT3_MASK
                                                   |
                                                   SMA1307_DATA_CLK_SEL_MASK,
                                                   SMA1307_TWO_SDO_PER_CH_24K
                                                   | SMA1307_SDO_DATA);
                        break;
                case SMA1307_OUT_CLK_PLL:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A3_TOP_MAN2,
                                                   SMA1307_DATA_CLK_SEL_MASK,
                                                   SMA1307_SDO_CLK_PLL);

                        break;
                case SMA1307_OUT_CLK_OSC:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A3_TOP_MAN2,
                                                   SMA1307_DATA_CLK_SEL_MASK,
                                                   SMA1307_SDO_CLK_OSC);

                        break;
                default:
                        dev_err(sma1307->dev, "%s: Invalid value (%d)\n",
                                __func__, mux);
                        return -EINVAL;
                }
                break;
        }
        return 0;
}

static int sma1307_aif_out_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 sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        unsigned int mux = 0, val = 0, mask = 0;

        if (!strcmp(w->name, SMA1307_AIF_OUT0_NAME)) {
                mux = sma1307->dapm_aif_out0;
                val = mux;
                mask = SMA1307_SDO_OUT0_SEL_MASK;
        } else if (!strcmp(w->name, SMA1307_AIF_OUT1_NAME)) {
                mux = sma1307->dapm_aif_out1;
                val = mux << 3;
                mask = SMA1307_SDO_OUT1_SEL_MASK;
        } else {
                dev_err(sma1307->dev, "%s: Invalid widget - %s\n",
                        __func__, w->name);
                return -EINVAL;
        }
        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
                regmap_update_bits(sma1307->regmap, SMA1307_09_OUTPUT_CTRL,
                                           mask, val);
                break;
        }
        return 0;
}

static int sma1307_sdo_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 sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_09_OUTPUT_CTRL,
                                           SMA1307_PORT_CONFIG_MASK,
                                           SMA1307_OUTPUT_PORT_ENABLE);
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A3_TOP_MAN2,
                                           SMA1307_SDO_OUTPUT_MASK,
                                           SMA1307_LOGIC_OUTPUT);
                break;
        case SND_SOC_DAPM_POST_PMD:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_09_OUTPUT_CTRL,
                                           SMA1307_PORT_CONFIG_MASK,
                                           SMA1307_INPUT_PORT_ONLY);
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A3_TOP_MAN2,
                                           SMA1307_SDO_OUTPUT_MASK,
                                           SMA1307_HIGH_Z_OUTPUT);
                break;
        }
        return 0;
}

static int sma1307_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);

        switch (event) {
        case SND_SOC_DAPM_POST_PMU:
                sma1307_startup(component);
                break;
        case SND_SOC_DAPM_PRE_PMD:
                sma1307_shutdown(component);
                break;
        }
        return 0;
}

static int sma1307_dapm_aif_in_get(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.enumerated.item[0] = (unsigned int)sma1307->dapm_aif_in;
        snd_soc_dapm_put_enum_double(kcontrol, ucontrol);

        return 0;
}

static int sma1307_dapm_aif_in_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int val = (int)ucontrol->value.enumerated.item[0];
        bool change;

        if ((val < 0) || (val >= ARRAY_SIZE(sma1307_aif_in_source_text))) {
                dev_err(sma1307->dev, "%s: Out of range\n", __func__);
                return -EINVAL;
        }

        if (sma1307->dapm_aif_in != val) {
                change = true;
                sma1307->dapm_aif_in = val;
        } else
                change = false;

        snd_soc_dapm_put_enum_double(kcontrol, ucontrol);

        return change;
}

static int sma1307_dapm_sdo_setting_get(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.enumerated.item[0] =
            (unsigned int)sma1307->dapm_sdo_setting;
        snd_soc_dapm_put_enum_double(kcontrol, ucontrol);

        return 0;
}

static int sma1307_dapm_sdo_setting_put(struct snd_kcontrol *kcontrol,
                                        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int val = (int)ucontrol->value.enumerated.item[0];
        bool change;

        if ((val < 0) || (val >= ARRAY_SIZE(sma1307_sdo_setting_text))) {
                dev_err(sma1307->dev, "%s: Out of range\n", __func__);
                return -EINVAL;
        }

        if (sma1307->dapm_sdo_setting != val) {
                change = true;
                sma1307->dapm_sdo_setting = val;
        } else
                change = false;

        snd_soc_dapm_put_enum_double(kcontrol, ucontrol);

        return change;
}

static int sma1307_dapm_aif_out_get(struct snd_kcontrol *kcontrol,
                                    struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        unsigned int val = 0;

        if (!strcmp(kcontrol->id.name, SMA1307_AIF_OUT0_NAME)) {
                val = (unsigned int)sma1307->dapm_aif_out0;
        } else if (!strcmp(kcontrol->id.name, SMA1307_AIF_OUT1_NAME)) {
                val = (unsigned int)sma1307->dapm_aif_out1;
        } else {
                dev_err(sma1307->dev, "%s: Invalid Control ID - %s\n",
                        __func__, kcontrol->id.name);
                return -EINVAL;
        }
        ucontrol->value.enumerated.item[0] = val;
        snd_soc_dapm_put_enum_double(kcontrol, ucontrol);

        return 0;
}

static int sma1307_dapm_aif_out_put(struct snd_kcontrol *kcontrol,
                                    struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int val = (int)ucontrol->value.enumerated.item[0];
        bool change;

        if ((val < 0) || (val >= ARRAY_SIZE(sma1307_aif_out_source_text))) {
                dev_err(sma1307->dev, "%s: Out of range\n", __func__);
                return -EINVAL;
        }

        if (!strcmp(kcontrol->id.name, SMA1307_AIF_OUT0_NAME)) {
                if (sma1307->dapm_aif_out0 != val) {
                        change = true;
                        sma1307->dapm_aif_out0 = val;
                } else
                        change = false;
        } else if (!strcmp(kcontrol->id.name, SMA1307_AIF_OUT1_NAME)) {
                if (sma1307->dapm_aif_out1 != val) {
                        change = true;
                        sma1307->dapm_aif_out1 = val;
                } else
                        change = false;
        } else {
                dev_err(sma1307->dev, "%s: Invalid Control ID - %s\n",
                        __func__, kcontrol->id.name);
                return -EINVAL;
        }

        snd_soc_dapm_put_enum_double(kcontrol, ucontrol);

        return change;
}

static int sma1307_dapm_sdo_enable_get(struct snd_kcontrol *kcontrol,
                                       struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        ucontrol->value.integer.value[0] = (long)sma1307->dapm_sdo_en;
        snd_soc_dapm_put_volsw(kcontrol, ucontrol);

        return 0;
}

static int sma1307_dapm_sdo_enable_put(struct snd_kcontrol *kcontrol,
                                       struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
        struct snd_soc_component *component = snd_soc_dapm_to_component(dapm);
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int val = (int)ucontrol->value.integer.value[0];
        bool change;

        if ((val < 0) || (val > 1)) {
                dev_err(sma1307->dev, "%s: Out of range\n", __func__);
                return -EINVAL;
        }

        if (sma1307->dapm_sdo_en != val) {
                change = true;
                sma1307->dapm_sdo_en = val;
        } else
                change = false;

        snd_soc_dapm_put_volsw(kcontrol, ucontrol);

        return change;
}

static const struct snd_kcontrol_new sma1307_aif_in_source_control = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = SMA1307_AIF_IN_NAME,
        .info = snd_soc_info_enum_double,
        .get = sma1307_dapm_aif_in_get,
        .put = sma1307_dapm_aif_in_put,
        .private_value = (unsigned long)&sma1307_aif_in_source_enum
};

static const struct snd_kcontrol_new sma1307_sdo_setting_control = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "SDO Setting",
        .info = snd_soc_info_enum_double,
        .get = sma1307_dapm_sdo_setting_get,
        .put = sma1307_dapm_sdo_setting_put,
        .private_value = (unsigned long)&sma1307_sdo_setting_enum
};

static const struct snd_kcontrol_new sma1307_aif_out0_source_control = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = SMA1307_AIF_OUT0_NAME,
        .info = snd_soc_info_enum_double,
        .get = sma1307_dapm_aif_out_get,
        .put = sma1307_dapm_aif_out_put,
        .private_value = (unsigned long)&sma1307_aif_out_source_enum
};

static const struct snd_kcontrol_new sma1307_aif_out1_source_control = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = SMA1307_AIF_OUT1_NAME,
        .info = snd_soc_info_enum_double,
        .get = sma1307_dapm_aif_out_get,
        .put = sma1307_dapm_aif_out_put,
        .private_value = (unsigned long)&sma1307_aif_out_source_enum
};

static const struct snd_kcontrol_new sma1307_sdo_control =
        SOC_SINGLE_EXT("Switch", SND_SOC_NOPM, 0, 1, 0,
                       sma1307_dapm_sdo_enable_get, sma1307_dapm_sdo_enable_put);

static const struct snd_kcontrol_new sma1307_enable_control =
        SOC_DAPM_SINGLE("Switch", SMA1307_00_SYSTEM_CTRL, 0, 1, 0);

static const struct snd_kcontrol_new sma1307_binary_mode_control[] = {
        SOC_ENUM_EXT("Binary Mode", sma1307_binary_mode_enum,
                        snd_soc_get_enum_double, sma1307_binary_mode_put),
};

static const struct snd_kcontrol_new sma1307_snd_controls[] = {
        SOC_SINGLE_TLV(SMA1307_VOL_CTRL_NAME, SMA1307_0A_SPK_VOL,
                       0, 167, 1, sma1307_spk_tlv),
        SOC_ENUM_EXT(SMA1307_TDM_RX0_POS_NAME, sma1307_tdm_slot_enum,
                     sma1307_tdm_slot_get, sma1307_tdm_slot_put),
        SOC_ENUM_EXT(SMA1307_TDM_RX1_POS_NAME, sma1307_tdm_slot_enum,
                     sma1307_tdm_slot_get, sma1307_tdm_slot_put),
        SOC_ENUM_EXT(SMA1307_TDM_TX0_POS_NAME, sma1307_tdm_slot_enum,
                     sma1307_tdm_slot_get, sma1307_tdm_slot_put),
        SOC_ENUM_EXT(SMA1307_TDM_TX1_POS_NAME, sma1307_tdm_slot_enum,
                     sma1307_tdm_slot_get, sma1307_tdm_slot_put),
        SOC_ENUM_EXT(SMA1307_RESET_CTRL_NAME, sma1307_reset_enum,
                            snd_soc_get_enum_double, sma1307_reset_put),
        SOC_SINGLE_BOOL_EXT(SMA1307_FORCE_MUTE_CTRL_NAME, 0,
                            sma1307_force_mute_get, sma1307_force_mute_put),
        SOC_SINGLE_BOOL_EXT(SMA1307_OT1_SW_PROT_CTRL_NAME, 0,
                            sma1307_sw_ot1_prot_get, sma1307_sw_ot1_prot_put),
        SOC_SINGLE_BOOL_EXT(SMA1307_CHECK_FAULT_STATUS_NAME, 0,
                        sma1307_check_fault_status_get,
                        sma1307_check_fault_status_put),
        SOC_SINGLE_EXT(SMA1307_CHECK_FAULT_PERIOD_NAME, SND_SOC_NOPM, 0, 600, 0,
                        sma1307_check_fault_period_get,
                        sma1307_check_fault_period_put),
};

static const struct snd_soc_dapm_widget sma1307_dapm_widgets[] = {
        /* platform domain */
        SND_SOC_DAPM_OUTPUT("SPK"),
        SND_SOC_DAPM_INPUT("SDO"),

        /* path domain */
        SND_SOC_DAPM_MUX_E(SMA1307_AIF_IN_NAME, SND_SOC_NOPM, 0, 0,
                           &sma1307_aif_in_source_control,
                           sma1307_aif_in_event,
                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_MUX_E("SDO Setting", SND_SOC_NOPM, 0, 0,
                           &sma1307_sdo_setting_control,
                           sma1307_sdo_setting_event,
                           SND_SOC_DAPM_PRE_PMU),
        SND_SOC_DAPM_MUX_E(SMA1307_AIF_OUT0_NAME, SND_SOC_NOPM, 0, 0,
                           &sma1307_aif_out0_source_control,
                           sma1307_aif_out_event,
                           SND_SOC_DAPM_PRE_PMU),
        SND_SOC_DAPM_MUX_E(SMA1307_AIF_OUT1_NAME, SND_SOC_NOPM, 0, 0,
                           &sma1307_aif_out1_source_control,
                           sma1307_aif_out_event,
                           SND_SOC_DAPM_PRE_PMU),
        SND_SOC_DAPM_SWITCH_E("SDO Enable", SND_SOC_NOPM, 0, 0,
                              &sma1307_sdo_control,
                              sma1307_sdo_event,
                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
        SND_SOC_DAPM_MIXER("Entry", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_OUT_DRV_E("AMP Power", SND_SOC_NOPM, 0, 0, NULL, 0,
                               sma1307_power_event,
                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD |
                               SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 0,
                            &sma1307_enable_control),

        /* stream domain */
        SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
        SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
};

static const struct snd_soc_dapm_route sma1307_audio_map[] = {
        /* Playback */
        { "AIF IN Source", "Mono", "AIF IN" },
        { "AIF IN Source", "Left", "AIF IN" },
        { "AIF IN Source", "Right", "AIF IN" },

        { "SDO Enable", "Switch", "AIF IN" },

        { "SDO Setting", "Data_One_48k", "SDO Enable" },
        { "SDO Setting", "Data_Two_48k", "SDO Enable" },
        { "SDO Setting", "Data_Two_24k", "SDO Enable" },
        { "SDO Setting", "Clk_PLL", "SDO Enable" },
        { "SDO Setting", "Clk_OSC", "SDO Enable" },

        { "AIF OUT0 Source", "Disable", "SDO Setting" },
        { "AIF OUT0 Source", "After_FmtC", "SDO Setting" },
        { "AIF OUT0 Source", "After_Mixer", "SDO Setting" },
        { "AIF OUT0 Source", "After_DSP", "SDO Setting" },
        { "AIF OUT0 Source", "Vrms2_Avg", "SDO Setting" },
        { "AIF OUT0 Source", "Battery", "SDO Setting" },
        { "AIF OUT0 Source", "Temperature", "SDO Setting" },
        { "AIF OUT0 Source", "After_Delay", "SDO Setting" },

        { "AIF OUT1 Source", "Disable", "SDO Setting" },
        { "AIF OUT1 Source", "After_FmtC", "SDO Setting" },
        { "AIF OUT1 Source", "After_Mixer", "SDO Setting" },
        { "AIF OUT1 Source", "After_DSP", "SDO Setting" },
        { "AIF OUT1 Source", "Vrms2_Avg", "SDO Setting" },
        { "AIF OUT1 Source", "Battery", "SDO Setting" },
        { "AIF OUT1 Source", "Temperature", "SDO Setting" },
        { "AIF OUT1 Source", "After_Delay", "SDO Setting" },

        { "Entry", NULL, "AIF OUT0 Source" },
        { "Entry", NULL, "AIF OUT1 Source" },
        { "Entry", NULL, "AIF IN Source" },

        { "AMP Power", NULL, "Entry" },

        { "AMP Enable", "Switch", "AMP Power" },
        { "SPK", NULL, "AMP Enable" },

        /* Capture */
        { "AIF OUT", NULL, "AMP Enable" },
};

static void sma1307_setup_pll(struct snd_soc_component *component,
                              unsigned int bclk)
{
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        int i = 0;

        dev_dbg(component->dev, "%s: BCLK = %dHz\n", __func__, bclk);

        if (sma1307->sys_clk_id == SMA1307_PLL_CLKIN_MCLK) {
                dev_warn(component->dev, "%s: MCLK is not supported\n",
                         __func__);
        } else if (sma1307->sys_clk_id == SMA1307_PLL_CLKIN_BCLK) {
                for (i = 0; i < sma1307->num_of_pll_matches; i++) {
                        if (sma1307->pll_matches[i].input_clk == bclk)
                                break;
                }
                if (i == sma1307->num_of_pll_matches) {
                        dev_warn(component->dev,
                                 "%s: No matching value between pll table and SCK\n",
                                 __func__);
                        return;
                }

                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A2_TOP_MAN1,
                                           SMA1307_PLL_MASK, SMA1307_PLL_ON);
        }

        regmap_write(sma1307->regmap, SMA1307_8B_PLL_POST_N,
                             sma1307->pll_matches[i].post_n);
        regmap_write(sma1307->regmap, SMA1307_8C_PLL_N,
                             sma1307->pll_matches[i].n);
        regmap_write(sma1307->regmap, SMA1307_8D_PLL_A_SETTING,
                             sma1307->pll_matches[i].vco);
        regmap_write(sma1307->regmap, SMA1307_8E_PLL_P_CP,
                             sma1307->pll_matches[i].p_cp);
}

static int sma1307_dai_hw_params_amp(struct snd_pcm_substream *substream,
                                     struct snd_pcm_hw_params *params,
                                     struct snd_soc_dai *dai)
{
        struct snd_soc_component *component = dai->component;
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        unsigned int bclk = 0;

        if (sma1307->format == SND_SOC_DAIFMT_DSP_A)
                bclk = params_rate(params) * sma1307->frame_size;
        else
                bclk = params_rate(params) * params_physical_width(params)
                    * params_channels(params);

        dev_dbg(component->dev,
                 "%s: rate = %d : bit size = %d : channel = %d\n",
                 __func__, params_rate(params), params_width(params),
                 params_channels(params));

        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                if (sma1307->sys_clk_id == SMA1307_PLL_CLKIN_BCLK) {
                        if (sma1307->last_bclk != bclk) {
                                sma1307_setup_pll(component, bclk);
                                sma1307->last_bclk = bclk;
                        }
                }

                switch (params_rate(params)) {
                case 8000:
                case 12000:
                case 16000:
                case 24000:
                case 32000:
                case 44100:
                case 48000:
                        break;

                case 96000:
                        dev_warn(component->dev,
                                 "%s: %d rate not support SDO\n", __func__,
                                 params_rate(params));
                        break;

                default:
                        dev_err(component->dev, "%s: not support rate : %d\n",
                                __func__, params_rate(params));

                        return -EINVAL;
                }

                /* substream->stream is SNDRV_PCM_STREAM_CAPTURE */
        } else {

                switch (params_format(params)) {
                case SNDRV_PCM_FORMAT_S16_LE:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A4_TOP_MAN3,
                                                   SMA1307_SCK_RATE_MASK
                                                   |
                                                   SMA1307_DATA_WIDTH_MASK,
                                                   SMA1307_SCK_32FS |
                                                   SMA1307_DATA_16BIT);
                        break;

                case SNDRV_PCM_FORMAT_S24_LE:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A4_TOP_MAN3,
                                                   SMA1307_SCK_RATE_MASK
                                                   |
                                                   SMA1307_DATA_WIDTH_MASK,
                                                   SMA1307_SCK_64FS |
                                                   SMA1307_DATA_24BIT);
                        break;

                case SNDRV_PCM_FORMAT_S32_LE:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_A4_TOP_MAN3,
                                                   SMA1307_SCK_RATE_MASK
                                                   |
                                                   SMA1307_DATA_WIDTH_MASK,
                                                   SMA1307_SCK_64FS |
                                                   SMA1307_DATA_24BIT);
                        break;
                default:
                        dev_err(component->dev,
                                "%s: not support data bit : %d\n", __func__,
                                params_format(params));
                        return -EINVAL;
                }
        }

        switch (sma1307->format) {
        case SND_SOC_DAIFMT_I2S:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_I2S_MODE_MASK,
                                           SMA1307_STANDARD_I2S);
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A4_TOP_MAN3,
                                           SMA1307_INTERFACE_MASK,
                                           SMA1307_I2S_FORMAT);
                break;
        case SND_SOC_DAIFMT_LEFT_J:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_I2S_MODE_MASK, SMA1307_LJ);
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A4_TOP_MAN3,
                                           SMA1307_INTERFACE_MASK,
                                           SMA1307_LJ_FORMAT);
                break;
        case SND_SOC_DAIFMT_RIGHT_J:
                switch (params_width(params)) {
                case 16:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_01_INPUT_CTRL1,
                                                   SMA1307_I2S_MODE_MASK,
                                                   SMA1307_RJ_16BIT);
                        break;
                case 24:
                case 32:
                        regmap_update_bits(sma1307->regmap,
                                                   SMA1307_01_INPUT_CTRL1,
                                                   SMA1307_I2S_MODE_MASK,
                                                   SMA1307_RJ_24BIT);
                        break;
                }
                break;
        case SND_SOC_DAIFMT_DSP_A:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_I2S_MODE_MASK,
                                           SMA1307_STANDARD_I2S);
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A4_TOP_MAN3,
                                           SMA1307_INTERFACE_MASK,
                                           SMA1307_TDM_FORMAT);
                break;
        }

        switch (params_width(params)) {
        case 16:
        case 24:
        case 32:
                break;
        default:
                dev_err(component->dev,
                        "%s: not support data bit : %d\n", __func__,
                        params_format(params));
                return -EINVAL;
        }

        return 0;
}

static int sma1307_dai_set_sysclk_amp(struct snd_soc_dai *dai,
                                      int clk_id, unsigned int freq, int dir)
{
        struct snd_soc_component *component = dai->component;
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        switch (clk_id) {
        case SMA1307_EXTERNAL_CLOCK_19_2:
        case SMA1307_EXTERNAL_CLOCK_24_576:
        case SMA1307_PLL_CLKIN_MCLK:
        case SMA1307_PLL_CLKIN_BCLK:
                break;
        default:
                dev_err(component->dev, "%s: Invalid clk id: %d\n",
                        __func__, clk_id);
                return -EINVAL;
        }
        sma1307->sys_clk_id = clk_id;

        return 0;
}

static int sma1307_dai_set_fmt_amp(struct snd_soc_dai *dai, unsigned int fmt)
{
        struct snd_soc_component *component = dai->component;
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {

        case SND_SOC_DAIFMT_CBC_CFC:
                dev_dbg(component->dev,
                         "%s: %s\n", __func__, "I2S/TDM Device mode");
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_CONTROLLER_DEVICE_MASK,
                                           SMA1307_DEVICE_MODE);
                break;

        case SND_SOC_DAIFMT_CBP_CFP:
                dev_dbg(component->dev,
                         "%s: %s\n", __func__, "I2S/TDM Controller mode");
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_CONTROLLER_DEVICE_MASK,
                                           SMA1307_CONTROLLER_MODE);
                break;

        default:
                dev_err(component->dev,
                        "%s: Unsupported Controller/Device : 0x%x\n",
                        __func__, fmt);
                return -EINVAL;
        }

        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
        case SND_SOC_DAIFMT_RIGHT_J:
        case SND_SOC_DAIFMT_LEFT_J:
        case SND_SOC_DAIFMT_DSP_A:
        case SND_SOC_DAIFMT_DSP_B:
                sma1307->format = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
                break;
        default:
                dev_err(component->dev,
                        "%s: Unsupported Audio Interface Format : 0x%x\n",
                        __func__, fmt);
                return -EINVAL;
        }

        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {

        case SND_SOC_DAIFMT_IB_NF:
                dev_dbg(component->dev, "%s: %s\n",
                         __func__, "Invert BCLK + Normal Frame");
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_SCK_RISING_MASK,
                                           SMA1307_SCK_RISING_EDGE);
                break;
        case SND_SOC_DAIFMT_IB_IF:
                dev_dbg(component->dev, "%s: %s\n",
                         __func__, "Invert BCLK + Invert Frame");
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_LEFTPOL_MASK
                                           | SMA1307_SCK_RISING_MASK,
                                           SMA1307_HIGH_FIRST_CH
                                           | SMA1307_SCK_RISING_EDGE);
                break;
        case SND_SOC_DAIFMT_NB_IF:
                dev_dbg(component->dev, "%s: %s\n",
                         __func__, "Normal BCLK + Invert Frame");
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_01_INPUT_CTRL1,
                                           SMA1307_LEFTPOL_MASK,
                                           SMA1307_HIGH_FIRST_CH);
                break;
        case SND_SOC_DAIFMT_NB_NF:
                dev_dbg(component->dev, "%s: %s\n",
                         __func__, "Normal BCLK + Normal Frame");
                break;
        default:
                dev_err(component->dev,
                        "%s: Unsupported Bit & Frameclock : 0x%x\n",
                        __func__, fmt);
                return -EINVAL;
        }

        return 0;
}

static int sma1307_dai_set_tdm_slot(struct snd_soc_dai *dai,
                                    unsigned int tx_mask, unsigned int rx_mask,
                                    int slots, int slot_width)
{
        struct snd_soc_component *component = dai->component;
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        dev_dbg(component->dev, "%s: slots = %d, slot_width - %d\n",
                 __func__, slots, slot_width);

        sma1307->frame_size = slot_width * slots;

        regmap_update_bits(sma1307->regmap,
                                   SMA1307_A4_TOP_MAN3,
                                   SMA1307_INTERFACE_MASK, SMA1307_TDM_FORMAT);

        regmap_update_bits(sma1307->regmap,
                                   SMA1307_A5_TDM1,
                                   SMA1307_TDM_TX_MODE_MASK,
                                   SMA1307_TDM_TX_MONO);

        switch (slot_width) {
        case 16:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A6_TDM2,
                                           SMA1307_TDM_DL_MASK,
                                           SMA1307_TDM_DL_16);
                break;
        case 32:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A6_TDM2,
                                           SMA1307_TDM_DL_MASK,
                                           SMA1307_TDM_DL_32);
                break;
        default:
                dev_err(component->dev, "%s: not support TDM %d slot_width\n",
                        __func__, slot_width);
                return -EINVAL;
        }

        switch (slots) {
        case 4:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A6_TDM2,
                                           SMA1307_TDM_N_SLOT_MASK,
                                           SMA1307_TDM_N_SLOT_4);
                break;
        case 8:
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A6_TDM2,
                                           SMA1307_TDM_N_SLOT_MASK,
                                           SMA1307_TDM_N_SLOT_8);
                break;
        default:
                dev_err(component->dev, "%s: not support TDM %d slots\n",
                        __func__, slots);
                return -EINVAL;
        }

        if (sma1307->tdm_slot0_rx < slots)
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A5_TDM1,
                                           SMA1307_TDM_SLOT0_RX_POS_MASK,
                                           sma1307->tdm_slot0_rx << 3);
        else
                dev_err(component->dev, "%s: Incorrect tdm-slot0-rx %d set\n",
                        __func__, sma1307->tdm_slot0_rx);

        if (sma1307->tdm_slot1_rx < slots)
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A5_TDM1,
                                           SMA1307_TDM_SLOT1_RX_POS_MASK,
                                           sma1307->tdm_slot1_rx);
        else
                dev_err(component->dev, "%s: Incorrect tdm-slot1-rx %d set\n",
                        __func__, sma1307->tdm_slot1_rx);

        if (sma1307->tdm_slot0_tx < slots)
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A6_TDM2,
                                           SMA1307_TDM_SLOT0_TX_POS_MASK,
                                           sma1307->tdm_slot0_tx << 3);
        else
                dev_err(component->dev, "%s: Incorrect tdm-slot0-tx %d set\n",
                        __func__, sma1307->tdm_slot0_tx);

        if (sma1307->tdm_slot1_tx < slots)
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_A6_TDM2,
                                           SMA1307_TDM_SLOT1_TX_POS_MASK,
                                           sma1307->tdm_slot1_tx);
        else
                dev_err(component->dev, "%s: Incorrect tdm-slot1-tx %d set\n",
                        __func__, sma1307->tdm_slot1_tx);

        return 0;
}

static int sma1307_dai_mute_stream(struct snd_soc_dai *dai, int mute,
                                   int stream)
{
        struct snd_soc_component *component = dai->component;
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);

        if (stream == SNDRV_PCM_STREAM_CAPTURE)
                return 0;
        if (mute) {
                dev_dbg(component->dev, "%s: %s\n", __func__, "MUTE");
                regmap_update_bits(sma1307->regmap,
                                           SMA1307_0E_MUTE_VOL_CTRL,
                                           SMA1307_SPK_MUTE_MASK,
                                           SMA1307_SPK_MUTE);
        } else {
                if (!sma1307->force_mute_status) {
                        dev_dbg(component->dev, "%s: %s\n", __func__,
                                         "UNMUTE");
                        regmap_update_bits(sma1307->regmap,
                                                SMA1307_0E_MUTE_VOL_CTRL,
                                                SMA1307_SPK_MUTE_MASK,
                                                SMA1307_SPK_UNMUTE);
                } else {
                        dev_dbg(sma1307->dev, "%s: FORCE MUTE!!!\n", __func__);
                }
        }

        return 0;
}

static const struct snd_soc_dai_ops sma1307_dai_ops_amp = {
        .hw_params = sma1307_dai_hw_params_amp,
        .set_fmt = sma1307_dai_set_fmt_amp,
        .set_sysclk = sma1307_dai_set_sysclk_amp,
        .set_tdm_slot = sma1307_dai_set_tdm_slot,
        .mute_stream = sma1307_dai_mute_stream,
};

#define SMA1307_RATES_PLAYBACK SNDRV_PCM_RATE_8000_96000
#define SMA1307_RATES_CAPTURE SNDRV_PCM_RATE_8000_48000
#define SMA1307_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
                SNDRV_PCM_FMTBIT_S32_LE)

static struct snd_soc_dai_driver sma1307_dai[] = {
        {
         .name = "sma1307-amplifier",
         .id = 0,
         .playback = {
                      .stream_name = "Playback",
                      .channels_min = 1,
                      .channels_max = 2,
                      .rates = SMA1307_RATES_PLAYBACK,
                      .formats = SMA1307_FORMATS,
                      },
         .capture = {
                     .stream_name = "Capture",
                     .channels_min = 1,
                     .channels_max = 2,
                     .rates = SMA1307_RATES_CAPTURE,
                     .formats = SMA1307_FORMATS,
                     },
         .ops = &sma1307_dai_ops_amp,
          },
};

static void sma1307_check_fault_worker(struct work_struct *work)
{
        struct sma1307_priv *sma1307 =
            container_of(work, struct sma1307_priv, check_fault_work.work);
        unsigned int status1_val, status2_val;
        char *envp[3] = { NULL, NULL, NULL };

        if (sma1307->tsdw_cnt)
                regmap_read(sma1307->regmap,
                        SMA1307_0A_SPK_VOL, &sma1307->cur_vol);
        else
                regmap_read(sma1307->regmap,
                        SMA1307_0A_SPK_VOL, &sma1307->init_vol);

        regmap_read(sma1307->regmap, SMA1307_FA_STATUS1, &status1_val);
        regmap_read(sma1307->regmap, SMA1307_FB_STATUS2, &status2_val);

        if (~status1_val & SMA1307_OT1_OK_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: OT1(Over Temperature Level 1)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=OT1");
                if (sma1307->sw_ot1_prot) {
                        /* Volume control (Current Volume -3dB) */
                        if ((sma1307->cur_vol + 6) <= 0xFA) {
                                sma1307->cur_vol += 6;
                                regmap_write(sma1307->regmap,
                                                     SMA1307_0A_SPK_VOL,
                                                     sma1307->cur_vol);
                                envp[1] = kasprintf(GFP_KERNEL,
                                        "VOLUME=0x%02X", sma1307->cur_vol);
                        }
                }
                sma1307->tsdw_cnt++;
        } else if (sma1307->tsdw_cnt) {
                regmap_write(sma1307->regmap,
                                     SMA1307_0A_SPK_VOL, sma1307->init_vol);
                sma1307->tsdw_cnt = 0;
                sma1307->cur_vol = sma1307->init_vol;
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=OT1_CLEAR");
                envp[1] = kasprintf(GFP_KERNEL,
                                "VOLUME=0x%02X", sma1307->cur_vol);
        }

        if (~status1_val & SMA1307_OT2_OK_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: OT2(Over Temperature Level 2)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=OT2");
        }
        if (status1_val & SMA1307_UVLO_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: UVLO(Under Voltage Lock Out)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=UVLO");
        }
        if (status1_val & SMA1307_OVP_BST_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: OVP_BST(Over Voltage Protection)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=OVP_BST");
        }
        if (status2_val & SMA1307_OCP_SPK_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: OCP_SPK(Over Current Protect SPK)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=OCP_SPK");
        }
        if (status2_val & SMA1307_OCP_BST_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: OCP_BST(Over Current Protect Boost)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=OCP_BST");
        }
        if (status2_val & SMA1307_CLK_MON_STATUS) {
                dev_crit(sma1307->dev,
                         "%s: CLK_FAULT(No clock input)\n", __func__);
                envp[0] = kasprintf(GFP_KERNEL, "STATUS=CLK_FAULT");
        }

        if (envp[0] != NULL) {
                if (kobject_uevent_env(sma1307->kobj, KOBJ_CHANGE, envp))
                        dev_err(sma1307->dev,
                                "%s: Error sending uevent\n", __func__);
                kfree(envp[0]);
                kfree(envp[1]);
        }

        if (sma1307->check_fault_status) {
                if (sma1307->check_fault_period > 0)
                        queue_delayed_work(system_freezable_wq,
                                           &sma1307->check_fault_work,
                                           sma1307->check_fault_period * HZ);
                else
                        queue_delayed_work(system_freezable_wq,
                                           &sma1307->check_fault_work,
                                           CHECK_PERIOD_TIME * HZ);
        }
}

static void sma1307_setting_loaded(struct sma1307_priv *sma1307, const char *file)
{
        const struct firmware *fw;
        int size, offset, num_mode;
        int ret;

        ret = request_firmware(&fw, file, sma1307->dev);

        if (ret) {
                dev_err(sma1307->dev, "%s: failed to read \"%s\": %pe\n",
                        __func__, setting_file, ERR_PTR(ret));
                sma1307->set.status = false;
                return;
        } else if ((fw->size) < SMA1307_SETTING_HEADER_SIZE) {
                dev_err(sma1307->dev, "%s: Invalid file\n", __func__);
                release_firmware(fw);
                sma1307->set.status = false;
                return;
        }

        int *data __free(kfree) = kzalloc(fw->size, GFP_KERNEL);
        if (!data) {
                release_firmware(fw);
                sma1307->set.status = false;
                return;
        }
        size = fw->size >> 2;
        memcpy(data, fw->data, fw->size);

        release_firmware(fw);

        /* HEADER */
        sma1307->set.header_size = SMA1307_SETTING_HEADER_SIZE;
        sma1307->set.checksum = data[sma1307->set.header_size - 2];
        sma1307->set.num_mode = data[sma1307->set.header_size - 1];
        num_mode = sma1307->set.num_mode;
        sma1307->set.header = devm_kmalloc_array(sma1307->dev,
                                                 sma1307->set.header_size,
                                                 sizeof(int),
                                                 GFP_KERNEL);
        if (!sma1307->set.header) {
                sma1307->set.status = false;
                return;
        }

        memcpy(sma1307->set.header, data,
               sma1307->set.header_size * sizeof(int));

        if ((sma1307->set.checksum >> 8) != SMA1307_SETTING_CHECKSUM) {
                dev_err(sma1307->dev, "%s: checksum failed \"%s\"\n",
                        __func__, setting_file);
                sma1307->set.status = false;
                return;
        }

        /* DEFAULT */
        sma1307->set.def_size = SMA1307_SETTING_DEFAULT_SIZE;
        sma1307->set.def
            = devm_kzalloc(sma1307->dev,
                           sma1307->set.def_size * sizeof(int), GFP_KERNEL);
        if (!sma1307->set.def) {
                sma1307->set.status = false;
                return;
        }

        memcpy(sma1307->set.def,
               &data[sma1307->set.header_size],
               sma1307->set.def_size * sizeof(int));

        /* MODE */
        offset = sma1307->set.header_size + sma1307->set.def_size;
        sma1307->set.mode_size = DIV_ROUND_CLOSEST(size - offset, num_mode + 1);
        for (int i = 0; i < num_mode; i++) {
                sma1307->set.mode_set[i]
                    = devm_kzalloc(sma1307->dev,
                                   sma1307->set.mode_size * 2 * sizeof(int),
                                   GFP_KERNEL);
                if (!sma1307->set.mode_set[i]) {
                        for (int j = 0; j < i; j++) {
                                devm_kfree(sma1307->dev, sma1307->set.mode_set[j]);
                                sma1307->set.mode_set[j] = NULL;
                        }
                        sma1307->set.status = false;
                        return;
                }

                for (int j = 0; j < sma1307->set.mode_size; j++) {
                        sma1307->set.mode_set[i][2 * j]
                            = data[offset + ((num_mode + 1) * j)];
                        sma1307->set.mode_set[i][2 * j + 1]
                            = data[offset + ((num_mode + 1) * j + i + 1)];
                }
        }

        sma1307->set.status = true;

}

static void sma1307_reset(struct snd_soc_component *component)
{
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        unsigned int status = 0;

        regmap_read(sma1307->regmap, SMA1307_FF_DEVICE_INDEX, &status);

        sma1307->rev_num = status & SMA1307_REV_NUM_STATUS;
        dev_dbg(component->dev, "%s: SMA1307 Revision %d\n",
                         __func__, sma1307->rev_num);
        regmap_read(sma1307->regmap, SMA1307_99_OTP_TRM2, &sma1307->otp_trm2);
        regmap_read(sma1307->regmap, SMA1307_9A_OTP_TRM3, &sma1307->otp_trm3);

        if ((sma1307->otp_trm2 & SMA1307_OTP_STAT_MASK) != SMA1307_OTP_STAT_1)
                dev_warn(component->dev, "%s: SMA1307 OTP Status Fail\n",
                         __func__);

        /* Register Initial Value Setting */
        sma1307_setting_loaded(sma1307, setting_file);
        if (sma1307->set.status)
                sma1307_set_binary(component);
        else
                sma1307_set_default(component);

        regmap_update_bits(sma1307->regmap,
                                   SMA1307_93_INT_CTRL,
                                   SMA1307_DIS_INT_MASK, SMA1307_HIGH_Z_INT);
        regmap_write(sma1307->regmap, SMA1307_0A_SPK_VOL, sma1307->init_vol);
}

static void sma1307_set_binary(struct snd_soc_component *component)
{
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int i = 0, mode = 0;

        for (i = 0; i < (sma1307->set.def_size); i++) {
                if (sma1307_writeable_register(sma1307->dev, i)
                    && ((i < SMA1307_97_OTP_TRM0)
                        || (i > SMA1307_9A_OTP_TRM3))) {
                        regmap_write(sma1307->regmap, i, sma1307->set.def[i]);

                }
        }
        for (i = 0; i < (sma1307->set.mode_size); i++) {
                if (sma1307_writeable_register(sma1307->dev, i)
                    && ((i < SMA1307_97_OTP_TRM0)
                        || (i > SMA1307_9A_OTP_TRM3))) {
                        mode = sma1307->binary_mode;
                        regmap_write(sma1307->regmap,
                                             sma1307->set.mode_set[mode][2 * i],
                                             sma1307->set.mode_set[mode][2 * i +
                                                                         1]);
                }
        }
}

static void sma1307_set_default(struct snd_soc_component *component)
{
        struct sma1307_priv *sma1307 = snd_soc_component_get_drvdata(component);
        int i = 0;

        for (i = 0; i < (unsigned int)ARRAY_SIZE(sma1307_reg_def); i++)
                regmap_write(sma1307->regmap,
                                     sma1307_reg_def[i].reg,
                                     sma1307_reg_def[i].def);

        if (!strcmp(sma1307->name, DEVICE_NAME_SMA1307AQ))
                sma1307->data->init(sma1307->regmap);
}

static int sma1307_probe(struct snd_soc_component *component)
{
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);

        snd_soc_dapm_sync(dapm);

        sma1307_amp_component = component;

        snd_soc_add_component_controls(component, sma1307_binary_mode_control,
                        ARRAY_SIZE(sma1307_binary_mode_control));
        sma1307_reset(component);

        return 0;
}

static const struct snd_soc_component_driver sma1307_component = {
        .probe = sma1307_probe,
        .controls = sma1307_snd_controls,
        .num_controls = ARRAY_SIZE(sma1307_snd_controls),
        .dapm_widgets = sma1307_dapm_widgets,
        .num_dapm_widgets = ARRAY_SIZE(sma1307_dapm_widgets),
        .dapm_routes = sma1307_audio_map,
        .num_dapm_routes = ARRAY_SIZE(sma1307_audio_map),
};

static const struct regmap_config sma_i2c_regmap = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = SMA1307_FF_DEVICE_INDEX,
        .readable_reg = sma1307_readable_register,
        .writeable_reg = sma1307_writeable_register,
        .volatile_reg = sma1307_volatile_register,

        .reg_defaults = sma1307_reg_def,
        .num_reg_defaults = ARRAY_SIZE(sma1307_reg_def),
};

static void sma1307aq_init(struct regmap *regmap)
{
        /* Guidelines for driving 4ohm load */
        /* Brown Out Protection */
        regmap_write(regmap, SMA1307_02_BROWN_OUT_PROT1, 0x62);
        regmap_write(regmap, SMA1307_03_BROWN_OUT_PROT2, 0x5D);
        regmap_write(regmap, SMA1307_04_BROWN_OUT_PROT3, 0x57);
        regmap_write(regmap, SMA1307_05_BROWN_OUT_PROT8, 0x54);
        regmap_write(regmap, SMA1307_06_BROWN_OUT_PROT9, 0x51);
        regmap_write(regmap,
                             SMA1307_07_BROWN_OUT_PROT10, 0x4D);
        regmap_write(regmap,
                             SMA1307_08_BROWN_OUT_PROT11, 0x4B);
        regmap_write(regmap, SMA1307_27_BROWN_OUT_PROT4, 0x3C);
        regmap_write(regmap, SMA1307_28_BROWN_OUT_PROT5, 0x5B);
        regmap_write(regmap,
                             SMA1307_29_BROWN_OUT_PROT12, 0x78);
        regmap_write(regmap,
                             SMA1307_2A_BROWN_OUT_PROT13, 0x96);
        regmap_write(regmap,
                             SMA1307_2B_BROWN_OUT_PROT14, 0xB4);
        regmap_write(regmap,
                             SMA1307_2C_BROWN_OUT_PROT15, 0xD3);
        /* FDPEC Gain */
        regmap_write(regmap, SMA1307_35_FDPEC_CTRL0, 0x16);
        /* FLT Vdd */
        regmap_write(regmap, SMA1307_92_FDPEC_CTRL1, 0xA0);
        /* Boost Max */
        regmap_write(regmap, SMA1307_AB_BOOST_CTRL4, 0x0F);
}

static const struct sma1307_data sma1307aq_data = {
        .name = DEVICE_NAME_SMA1307AQ,
        .init = sma1307aq_init,
};

static int sma1307_i2c_probe(struct i2c_client *client)
{
        struct sma1307_priv *sma1307;
        const struct sma1307_data *data;
        int ret = 0;
        unsigned int device_info;

        sma1307 = devm_kzalloc(&client->dev,
                               sizeof(*sma1307), GFP_KERNEL);
        if (!sma1307)
                return -ENOMEM;

        sma1307->regmap = devm_regmap_init_i2c(client, &sma_i2c_regmap);
        if (IS_ERR(sma1307->regmap)) {
                return dev_err_probe(&client->dev, PTR_ERR(sma1307->regmap),
                        "%s: failed to allocate register map\n", __func__);
        }

        data = device_get_match_data(&client->dev);
        if (!data)
                return -ENODEV;

        sma1307->data = data;

        /* set initial value as normal AMP IC status */
        sma1307->name = client->name;
        sma1307->format = SND_SOC_DAIFMT_I2S;
        sma1307->sys_clk_id = SMA1307_PLL_CLKIN_BCLK;
        sma1307->num_of_pll_matches = ARRAY_SIZE(sma1307_pll_matches);

        sma1307->check_fault_period = CHECK_PERIOD_TIME;
        sma1307->check_fault_status = true;
        sma1307->init_vol = 0x32;
        sma1307->cur_vol = sma1307->init_vol;
        sma1307->sw_ot1_prot = true;

        mutex_init(&sma1307->default_lock);

        INIT_DELAYED_WORK(&sma1307->check_fault_work,
                          sma1307_check_fault_worker);

        sma1307->dev = &client->dev;
        sma1307->kobj = &client->dev.kobj;

        i2c_set_clientdata(client, sma1307);

        sma1307->pll_matches = sma1307_pll_matches;

        regmap_read(sma1307->regmap,
                                  SMA1307_FF_DEVICE_INDEX, &device_info);

        if ((device_info & 0xF8) != SMA1307_DEVICE_ID) {
                dev_err(&client->dev,
                        "%s: device initialization error (0x%02X)",
                                __func__, device_info);
                return -ENODEV;
        }
        dev_dbg(&client->dev, "%s: chip version 0x%02X\n",
                 __func__, device_info);

        i2c_set_clientdata(client, sma1307);

        ret = devm_snd_soc_register_component(&client->dev,
                                              &sma1307_component, sma1307_dai,
                                              1);

        if (ret) {
                dev_err(&client->dev, "%s: failed to register component\n",
                        __func__);

                return ret;
        }

        return ret;
}

static void sma1307_i2c_remove(struct i2c_client *client)
{
        struct sma1307_priv *sma1307 =
            (struct sma1307_priv *)i2c_get_clientdata(client);

        cancel_delayed_work_sync(&sma1307->check_fault_work);
}

static const struct i2c_device_id sma1307_i2c_id[] = {
        { "sma1307a" },
        { "sma1307aq" },
        { }
};

MODULE_DEVICE_TABLE(i2c, sma1307_i2c_id);

static const struct of_device_id sma1307_of_match[] = {
        {
                .compatible = "irondevice,sma1307a",
        },
        {
                .compatible = "irondevice,sma1307aq",
                .data = &sma1307aq_data //AEC-Q100 Qualificated
        },
        { }
};

MODULE_DEVICE_TABLE(of, sma1307_of_match);

static struct i2c_driver sma1307_i2c_driver = {
        .driver = {
                   .name = "sma1307",
                   .of_match_table = sma1307_of_match,
                    },
        .probe = sma1307_i2c_probe,
        .remove = sma1307_i2c_remove,
        .id_table = sma1307_i2c_id,
};

module_i2c_driver(sma1307_i2c_driver);

MODULE_DESCRIPTION("ALSA SoC SMA1307 driver");
MODULE_AUTHOR("Gyuhwa Park, <gyuhwa.park@irondevice.com>");
MODULE_AUTHOR("KS Jo, <kiseok.jo@irondevice.com>");
MODULE_LICENSE("GPL");