root/sound/soc/codecs/rt5616.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * rt5616.c  --  RT5616 ALSA SoC audio codec driver
 *
 * Copyright 2015 Realtek Semiconductor Corp.
 * Author: Bard Liao <bardliao@realtek.com>
 */

#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/platform_device.h>
#include <linux/spi/spi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>

#include "rl6231.h"
#include "rt5616.h"

#define RT5616_PR_RANGE_BASE (0xff + 1)
#define RT5616_PR_SPACING 0x100

#define RT5616_PR_BASE (RT5616_PR_RANGE_BASE + (0 * RT5616_PR_SPACING))

static const struct regmap_range_cfg rt5616_ranges[] = {
        {
                .name = "PR",
                .range_min = RT5616_PR_BASE,
                .range_max = RT5616_PR_BASE + 0xf8,
                .selector_reg = RT5616_PRIV_INDEX,
                .selector_mask = 0xff,
                .selector_shift = 0x0,
                .window_start = RT5616_PRIV_DATA,
                .window_len = 0x1,
        },
};

static const struct reg_sequence init_list[] = {
        {RT5616_PR_BASE + 0x3d, 0x3e00},
        {RT5616_PR_BASE + 0x25, 0x6110},
        {RT5616_PR_BASE + 0x20, 0x611f},
        {RT5616_PR_BASE + 0x21, 0x4040},
        {RT5616_PR_BASE + 0x23, 0x0004},
};

#define RT5616_INIT_REG_LEN ARRAY_SIZE(init_list)

static const struct reg_default rt5616_reg[] = {
        { 0x00, 0x0021 },
        { 0x02, 0xc8c8 },
        { 0x03, 0xc8c8 },
        { 0x05, 0x0000 },
        { 0x0d, 0x0000 },
        { 0x0f, 0x0808 },
        { 0x19, 0xafaf },
        { 0x1c, 0x2f2f },
        { 0x1e, 0x0000 },
        { 0x27, 0x7860 },
        { 0x29, 0x8080 },
        { 0x2a, 0x5252 },
        { 0x3b, 0x0000 },
        { 0x3c, 0x006f },
        { 0x3d, 0x0000 },
        { 0x3e, 0x006f },
        { 0x45, 0x6000 },
        { 0x4d, 0x0000 },
        { 0x4e, 0x0000 },
        { 0x4f, 0x0279 },
        { 0x50, 0x0000 },
        { 0x51, 0x0000 },
        { 0x52, 0x0279 },
        { 0x53, 0xf000 },
        { 0x61, 0x0000 },
        { 0x62, 0x0000 },
        { 0x63, 0x00c0 },
        { 0x64, 0x0000 },
        { 0x65, 0x0000 },
        { 0x66, 0x0000 },
        { 0x70, 0x8000 },
        { 0x73, 0x1104 },
        { 0x74, 0x0c00 },
        { 0x80, 0x0000 },
        { 0x81, 0x0000 },
        { 0x82, 0x0000 },
        { 0x8b, 0x0600 },
        { 0x8e, 0x0004 },
        { 0x8f, 0x1100 },
        { 0x90, 0x0000 },
        { 0x91, 0x0c00 },
        { 0x92, 0x0000 },
        { 0x93, 0x2000 },
        { 0x94, 0x0200 },
        { 0x95, 0x0000 },
        { 0xb0, 0x2080 },
        { 0xb1, 0x0000 },
        { 0xb2, 0x0000 },
        { 0xb4, 0x2206 },
        { 0xb5, 0x1f00 },
        { 0xb6, 0x0000 },
        { 0xb7, 0x0000 },
        { 0xbb, 0x0000 },
        { 0xbc, 0x0000 },
        { 0xbd, 0x0000 },
        { 0xbe, 0x0000 },
        { 0xbf, 0x0000 },
        { 0xc0, 0x0100 },
        { 0xc1, 0x0000 },
        { 0xc2, 0x0000 },
        { 0xc8, 0x0000 },
        { 0xc9, 0x0000 },
        { 0xca, 0x0000 },
        { 0xcb, 0x0000 },
        { 0xcc, 0x0000 },
        { 0xcd, 0x0000 },
        { 0xce, 0x0000 },
        { 0xcf, 0x0013 },
        { 0xd0, 0x0680 },
        { 0xd1, 0x1c17 },
        { 0xd3, 0xb320 },
        { 0xd4, 0x0000 },
        { 0xd6, 0x0000 },
        { 0xd7, 0x0000 },
        { 0xd9, 0x0809 },
        { 0xda, 0x0000 },
        { 0xfa, 0x0010 },
        { 0xfb, 0x0000 },
        { 0xfc, 0x0000 },
        { 0xfe, 0x10ec },
        { 0xff, 0x6281 },
};

struct rt5616_priv {
        struct snd_soc_component *component;
        struct delayed_work patch_work;
        struct regmap *regmap;
        struct clk *mclk;

        int sysclk;
        int sysclk_src;
        int lrck[RT5616_AIFS];
        int bclk[RT5616_AIFS];
        int master[RT5616_AIFS];

        int pll_src;
        int pll_in;
        int pll_out;

};

static bool rt5616_volatile_register(struct device *dev, unsigned int reg)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(rt5616_ranges); i++) {
                if (reg >= rt5616_ranges[i].range_min &&
                    reg <= rt5616_ranges[i].range_max)
                        return true;
        }

        switch (reg) {
        case RT5616_RESET:
        case RT5616_PRIV_DATA:
        case RT5616_EQ_CTRL1:
        case RT5616_DRC_AGC_1:
        case RT5616_IRQ_CTRL2:
        case RT5616_INT_IRQ_ST:
        case RT5616_PGM_REG_ARR1:
        case RT5616_PGM_REG_ARR3:
        case RT5616_VENDOR_ID:
        case RT5616_DEVICE_ID:
                return true;
        default:
                return false;
        }
}

static bool rt5616_readable_register(struct device *dev, unsigned int reg)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(rt5616_ranges); i++) {
                if (reg >= rt5616_ranges[i].range_min &&
                    reg <= rt5616_ranges[i].range_max)
                        return true;
        }

        switch (reg) {
        case RT5616_RESET:
        case RT5616_VERSION_ID:
        case RT5616_VENDOR_ID:
        case RT5616_DEVICE_ID:
        case RT5616_HP_VOL:
        case RT5616_LOUT_CTRL1:
        case RT5616_LOUT_CTRL2:
        case RT5616_IN1_IN2:
        case RT5616_INL1_INR1_VOL:
        case RT5616_DAC1_DIG_VOL:
        case RT5616_ADC_DIG_VOL:
        case RT5616_ADC_BST_VOL:
        case RT5616_STO1_ADC_MIXER:
        case RT5616_AD_DA_MIXER:
        case RT5616_STO_DAC_MIXER:
        case RT5616_REC_L1_MIXER:
        case RT5616_REC_L2_MIXER:
        case RT5616_REC_R1_MIXER:
        case RT5616_REC_R2_MIXER:
        case RT5616_HPO_MIXER:
        case RT5616_OUT_L1_MIXER:
        case RT5616_OUT_L2_MIXER:
        case RT5616_OUT_L3_MIXER:
        case RT5616_OUT_R1_MIXER:
        case RT5616_OUT_R2_MIXER:
        case RT5616_OUT_R3_MIXER:
        case RT5616_LOUT_MIXER:
        case RT5616_PWR_DIG1:
        case RT5616_PWR_DIG2:
        case RT5616_PWR_ANLG1:
        case RT5616_PWR_ANLG2:
        case RT5616_PWR_MIXER:
        case RT5616_PWR_VOL:
        case RT5616_PRIV_INDEX:
        case RT5616_PRIV_DATA:
        case RT5616_I2S1_SDP:
        case RT5616_ADDA_CLK1:
        case RT5616_ADDA_CLK2:
        case RT5616_GLB_CLK:
        case RT5616_PLL_CTRL1:
        case RT5616_PLL_CTRL2:
        case RT5616_HP_OVCD:
        case RT5616_DEPOP_M1:
        case RT5616_DEPOP_M2:
        case RT5616_DEPOP_M3:
        case RT5616_CHARGE_PUMP:
        case RT5616_PV_DET_SPK_G:
        case RT5616_MICBIAS:
        case RT5616_A_JD_CTL1:
        case RT5616_A_JD_CTL2:
        case RT5616_EQ_CTRL1:
        case RT5616_EQ_CTRL2:
        case RT5616_WIND_FILTER:
        case RT5616_DRC_AGC_1:
        case RT5616_DRC_AGC_2:
        case RT5616_DRC_AGC_3:
        case RT5616_SVOL_ZC:
        case RT5616_JD_CTRL1:
        case RT5616_JD_CTRL2:
        case RT5616_IRQ_CTRL1:
        case RT5616_IRQ_CTRL2:
        case RT5616_INT_IRQ_ST:
        case RT5616_GPIO_CTRL1:
        case RT5616_GPIO_CTRL2:
        case RT5616_GPIO_CTRL3:
        case RT5616_PGM_REG_ARR1:
        case RT5616_PGM_REG_ARR2:
        case RT5616_PGM_REG_ARR3:
        case RT5616_PGM_REG_ARR4:
        case RT5616_PGM_REG_ARR5:
        case RT5616_SCB_FUNC:
        case RT5616_SCB_CTRL:
        case RT5616_BASE_BACK:
        case RT5616_MP3_PLUS1:
        case RT5616_MP3_PLUS2:
        case RT5616_ADJ_HPF_CTRL1:
        case RT5616_ADJ_HPF_CTRL2:
        case RT5616_HP_CALIB_AMP_DET:
        case RT5616_HP_CALIB2:
        case RT5616_SV_ZCD1:
        case RT5616_SV_ZCD2:
        case RT5616_D_MISC:
        case RT5616_DUMMY2:
        case RT5616_DUMMY3:
                return true;
        default:
                return false;
        }
}

static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0);
static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0);
static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0);

/* {0, +20, +24, +30, +35, +40, +44, +50, +52} dB */
static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(bst_tlv,
        0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
        1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0),
        2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0),
        3, 5, TLV_DB_SCALE_ITEM(3000, 500, 0),
        6, 6, TLV_DB_SCALE_ITEM(4400, 0, 0),
        7, 7, TLV_DB_SCALE_ITEM(5000, 0, 0),
        8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0),
);

static const struct snd_kcontrol_new rt5616_snd_controls[] = {
        /* Headphone Output Volume */
        SOC_DOUBLE("HP Playback Switch", RT5616_HP_VOL,
                   RT5616_L_MUTE_SFT, RT5616_R_MUTE_SFT, 1, 1),
        SOC_DOUBLE("HPVOL Playback Switch", RT5616_HP_VOL,
                   RT5616_VOL_L_SFT, RT5616_VOL_R_SFT, 1, 1),
        SOC_DOUBLE_TLV("HP Playback Volume", RT5616_HP_VOL,
                       RT5616_L_VOL_SFT, RT5616_R_VOL_SFT, 39, 1, out_vol_tlv),
        /* OUTPUT Control */
        SOC_DOUBLE("OUT Playback Switch", RT5616_LOUT_CTRL1,
                   RT5616_L_MUTE_SFT, RT5616_R_MUTE_SFT, 1, 1),
        SOC_DOUBLE("OUT Channel Switch", RT5616_LOUT_CTRL1,
                   RT5616_VOL_L_SFT, RT5616_VOL_R_SFT, 1, 1),
        SOC_DOUBLE_TLV("OUT Playback Volume", RT5616_LOUT_CTRL1,
                       RT5616_L_VOL_SFT, RT5616_R_VOL_SFT, 39, 1, out_vol_tlv),

        /* DAC Digital Volume */
        SOC_DOUBLE_TLV("DAC1 Playback Volume", RT5616_DAC1_DIG_VOL,
                       RT5616_L_VOL_SFT, RT5616_R_VOL_SFT,
                       175, 0, dac_vol_tlv),
        /* IN1/IN2 Control */
        SOC_SINGLE_TLV("IN1 Boost Volume", RT5616_IN1_IN2,
                       RT5616_BST_SFT1, 8, 0, bst_tlv),
        SOC_SINGLE_TLV("IN2 Boost Volume", RT5616_IN1_IN2,
                       RT5616_BST_SFT2, 8, 0, bst_tlv),
        /* INL/INR Volume Control */
        SOC_DOUBLE_TLV("IN Capture Volume", RT5616_INL1_INR1_VOL,
                       RT5616_INL_VOL_SFT, RT5616_INR_VOL_SFT,
                       31, 1, in_vol_tlv),
        /* ADC Digital Volume Control */
        SOC_DOUBLE("ADC Capture Switch", RT5616_ADC_DIG_VOL,
                   RT5616_L_MUTE_SFT, RT5616_R_MUTE_SFT, 1, 1),
        SOC_DOUBLE_TLV("ADC Capture Volume", RT5616_ADC_DIG_VOL,
                       RT5616_L_VOL_SFT, RT5616_R_VOL_SFT,
                       127, 0, adc_vol_tlv),

        /* ADC Boost Volume Control */
        SOC_DOUBLE_TLV("ADC Boost Volume", RT5616_ADC_BST_VOL,
                       RT5616_ADC_L_BST_SFT, RT5616_ADC_R_BST_SFT,
                       3, 0, adc_bst_tlv),
};

static int is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
                               struct snd_soc_dapm_widget *sink)
{
        unsigned int val;

        val = snd_soc_component_read(snd_soc_dapm_to_component(source->dapm), RT5616_GLB_CLK);
        val &= RT5616_SCLK_SRC_MASK;
        if (val == RT5616_SCLK_SRC_PLL1)
                return 1;
        else
                return 0;
}

/* Digital Mixer */
static const struct snd_kcontrol_new rt5616_sto1_adc_l_mix[] = {
        SOC_DAPM_SINGLE("ADC1 Switch", RT5616_STO1_ADC_MIXER,
                        RT5616_M_STO1_ADC_L1_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_sto1_adc_r_mix[] = {
        SOC_DAPM_SINGLE("ADC1 Switch", RT5616_STO1_ADC_MIXER,
                        RT5616_M_STO1_ADC_R1_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_dac_l_mix[] = {
        SOC_DAPM_SINGLE("Stereo ADC Switch", RT5616_AD_DA_MIXER,
                        RT5616_M_ADCMIX_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("INF1 Switch", RT5616_AD_DA_MIXER,
                        RT5616_M_IF1_DAC_L_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_dac_r_mix[] = {
        SOC_DAPM_SINGLE("Stereo ADC Switch", RT5616_AD_DA_MIXER,
                        RT5616_M_ADCMIX_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("INF1 Switch", RT5616_AD_DA_MIXER,
                        RT5616_M_IF1_DAC_R_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_sto_dac_l_mix[] = {
        SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_STO_DAC_MIXER,
                        RT5616_M_DAC_L1_MIXL_SFT, 1, 1),
        SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_STO_DAC_MIXER,
                        RT5616_M_DAC_R1_MIXL_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_sto_dac_r_mix[] = {
        SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_STO_DAC_MIXER,
                        RT5616_M_DAC_R1_MIXR_SFT, 1, 1),
        SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_STO_DAC_MIXER,
                        RT5616_M_DAC_L1_MIXR_SFT, 1, 1),
};

/* Analog Input Mixer */
static const struct snd_kcontrol_new rt5616_rec_l_mix[] = {
        SOC_DAPM_SINGLE("INL1 Switch", RT5616_REC_L2_MIXER,
                        RT5616_M_IN1_L_RM_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("BST2 Switch", RT5616_REC_L2_MIXER,
                        RT5616_M_BST2_RM_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("BST1 Switch", RT5616_REC_L2_MIXER,
                        RT5616_M_BST1_RM_L_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_rec_r_mix[] = {
        SOC_DAPM_SINGLE("INR1 Switch", RT5616_REC_R2_MIXER,
                        RT5616_M_IN1_R_RM_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("BST2 Switch", RT5616_REC_R2_MIXER,
                        RT5616_M_BST2_RM_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("BST1 Switch", RT5616_REC_R2_MIXER,
                        RT5616_M_BST1_RM_R_SFT, 1, 1),
};

/* Analog Output Mixer */

static const struct snd_kcontrol_new rt5616_out_l_mix[] = {
        SOC_DAPM_SINGLE("BST1 Switch", RT5616_OUT_L3_MIXER,
                        RT5616_M_BST1_OM_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("BST2 Switch", RT5616_OUT_L3_MIXER,
                        RT5616_M_BST2_OM_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("INL1 Switch", RT5616_OUT_L3_MIXER,
                        RT5616_M_IN1_L_OM_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("REC MIXL Switch", RT5616_OUT_L3_MIXER,
                        RT5616_M_RM_L_OM_L_SFT, 1, 1),
        SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_OUT_L3_MIXER,
                        RT5616_M_DAC_L1_OM_L_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_out_r_mix[] = {
        SOC_DAPM_SINGLE("BST2 Switch", RT5616_OUT_R3_MIXER,
                        RT5616_M_BST2_OM_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("BST1 Switch", RT5616_OUT_R3_MIXER,
                        RT5616_M_BST1_OM_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("INR1 Switch", RT5616_OUT_R3_MIXER,
                        RT5616_M_IN1_R_OM_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("REC MIXR Switch", RT5616_OUT_R3_MIXER,
                        RT5616_M_RM_R_OM_R_SFT, 1, 1),
        SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_OUT_R3_MIXER,
                        RT5616_M_DAC_R1_OM_R_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_hpo_mix[] = {
        SOC_DAPM_SINGLE("DAC1 Switch", RT5616_HPO_MIXER,
                        RT5616_M_DAC1_HM_SFT, 1, 1),
        SOC_DAPM_SINGLE("HPVOL Switch", RT5616_HPO_MIXER,
                        RT5616_M_HPVOL_HM_SFT, 1, 1),
};

static const struct snd_kcontrol_new rt5616_lout_mix[] = {
        SOC_DAPM_SINGLE("DAC L1 Switch", RT5616_LOUT_MIXER,
                        RT5616_M_DAC_L1_LM_SFT, 1, 1),
        SOC_DAPM_SINGLE("DAC R1 Switch", RT5616_LOUT_MIXER,
                        RT5616_M_DAC_R1_LM_SFT, 1, 1),
        SOC_DAPM_SINGLE("OUTVOL L Switch", RT5616_LOUT_MIXER,
                        RT5616_M_OV_L_LM_SFT, 1, 1),
        SOC_DAPM_SINGLE("OUTVOL R Switch", RT5616_LOUT_MIXER,
                        RT5616_M_OV_R_LM_SFT, 1, 1),
};

static int rt5616_adc_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:
                snd_soc_component_update_bits(component, RT5616_ADC_DIG_VOL,
                                    RT5616_L_MUTE | RT5616_R_MUTE, 0);
                break;

        case SND_SOC_DAPM_POST_PMD:
                snd_soc_component_update_bits(component, RT5616_ADC_DIG_VOL,
                                    RT5616_L_MUTE | RT5616_R_MUTE,
                                    RT5616_L_MUTE | RT5616_R_MUTE);
                break;

        default:
                return 0;
        }

        return 0;
}

static int rt5616_charge_pump_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:
                /* depop parameters */
                snd_soc_component_update_bits(component, RT5616_DEPOP_M2,
                                    RT5616_DEPOP_MASK, RT5616_DEPOP_MAN);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_HP_CP_MASK | RT5616_HP_SG_MASK |
                                    RT5616_HP_CB_MASK, RT5616_HP_CP_PU |
                                    RT5616_HP_SG_DIS | RT5616_HP_CB_PU);
                snd_soc_component_write(component, RT5616_PR_BASE +
                              RT5616_HP_DCC_INT1, 0x9f00);
                /* headphone amp power on */
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                    RT5616_PWR_FV1 | RT5616_PWR_FV2, 0);
                snd_soc_component_update_bits(component, RT5616_PWR_VOL,
                                    RT5616_PWR_HV_L | RT5616_PWR_HV_R,
                                    RT5616_PWR_HV_L | RT5616_PWR_HV_R);
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                    RT5616_PWR_HP_L | RT5616_PWR_HP_R |
                                    RT5616_PWR_HA, RT5616_PWR_HP_L |
                                    RT5616_PWR_HP_R | RT5616_PWR_HA);
                msleep(50);
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                    RT5616_PWR_FV1 | RT5616_PWR_FV2,
                                    RT5616_PWR_FV1 | RT5616_PWR_FV2);

                snd_soc_component_update_bits(component, RT5616_CHARGE_PUMP,
                                    RT5616_PM_HP_MASK, RT5616_PM_HP_HV);
                snd_soc_component_update_bits(component, RT5616_PR_BASE +
                                    RT5616_CHOP_DAC_ADC, 0x0200, 0x0200);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_HP_CO_MASK | RT5616_HP_SG_MASK,
                                    RT5616_HP_CO_EN | RT5616_HP_SG_EN);
                break;
        case SND_SOC_DAPM_PRE_PMD:
                snd_soc_component_update_bits(component, RT5616_PR_BASE +
                                    RT5616_CHOP_DAC_ADC, 0x0200, 0x0);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_HP_SG_MASK | RT5616_HP_L_SMT_MASK |
                                    RT5616_HP_R_SMT_MASK, RT5616_HP_SG_DIS |
                                    RT5616_HP_L_SMT_DIS | RT5616_HP_R_SMT_DIS);
                /* headphone amp power down */
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_SMT_TRIG_MASK |
                                    RT5616_HP_CD_PD_MASK | RT5616_HP_CO_MASK |
                                    RT5616_HP_CP_MASK | RT5616_HP_SG_MASK |
                                    RT5616_HP_CB_MASK,
                                    RT5616_SMT_TRIG_DIS | RT5616_HP_CD_PD_EN |
                                    RT5616_HP_CO_DIS | RT5616_HP_CP_PD |
                                    RT5616_HP_SG_EN | RT5616_HP_CB_PD);
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                    RT5616_PWR_HP_L | RT5616_PWR_HP_R |
                                    RT5616_PWR_HA, 0);
                break;
        default:
                return 0;
        }

        return 0;
}

static int rt5616_hp_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:
                /* headphone unmute sequence */
                snd_soc_component_update_bits(component, RT5616_DEPOP_M3,
                                    RT5616_CP_FQ1_MASK | RT5616_CP_FQ2_MASK |
                                    RT5616_CP_FQ3_MASK,
                                    RT5616_CP_FQ_192_KHZ << RT5616_CP_FQ1_SFT |
                                    RT5616_CP_FQ_12_KHZ << RT5616_CP_FQ2_SFT |
                                    RT5616_CP_FQ_192_KHZ << RT5616_CP_FQ3_SFT);
                snd_soc_component_write(component, RT5616_PR_BASE +
                              RT5616_MAMP_INT_REG2, 0xfc00);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_SMT_TRIG_MASK, RT5616_SMT_TRIG_EN);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_RSTN_MASK, RT5616_RSTN_EN);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_RSTN_MASK | RT5616_HP_L_SMT_MASK |
                                    RT5616_HP_R_SMT_MASK, RT5616_RSTN_DIS |
                                    RT5616_HP_L_SMT_EN | RT5616_HP_R_SMT_EN);
                snd_soc_component_update_bits(component, RT5616_HP_VOL,
                                    RT5616_L_MUTE | RT5616_R_MUTE, 0);
                msleep(100);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_HP_SG_MASK | RT5616_HP_L_SMT_MASK |
                                    RT5616_HP_R_SMT_MASK, RT5616_HP_SG_DIS |
                                    RT5616_HP_L_SMT_DIS | RT5616_HP_R_SMT_DIS);
                msleep(20);
                snd_soc_component_update_bits(component, RT5616_HP_CALIB_AMP_DET,
                                    RT5616_HPD_PS_MASK, RT5616_HPD_PS_EN);
                break;

        case SND_SOC_DAPM_PRE_PMD:
                /* headphone mute sequence */
                snd_soc_component_update_bits(component, RT5616_DEPOP_M3,
                                    RT5616_CP_FQ1_MASK | RT5616_CP_FQ2_MASK |
                                    RT5616_CP_FQ3_MASK,
                                    RT5616_CP_FQ_96_KHZ << RT5616_CP_FQ1_SFT |
                                    RT5616_CP_FQ_12_KHZ << RT5616_CP_FQ2_SFT |
                                    RT5616_CP_FQ_96_KHZ << RT5616_CP_FQ3_SFT);
                snd_soc_component_write(component, RT5616_PR_BASE +
                              RT5616_MAMP_INT_REG2, 0xfc00);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_HP_SG_MASK, RT5616_HP_SG_EN);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_RSTP_MASK, RT5616_RSTP_EN);
                snd_soc_component_update_bits(component, RT5616_DEPOP_M1,
                                    RT5616_RSTP_MASK | RT5616_HP_L_SMT_MASK |
                                    RT5616_HP_R_SMT_MASK, RT5616_RSTP_DIS |
                                    RT5616_HP_L_SMT_EN | RT5616_HP_R_SMT_EN);
                snd_soc_component_update_bits(component, RT5616_HP_CALIB_AMP_DET,
                                    RT5616_HPD_PS_MASK, RT5616_HPD_PS_DIS);
                msleep(90);
                snd_soc_component_update_bits(component, RT5616_HP_VOL,
                                    RT5616_L_MUTE | RT5616_R_MUTE,
                                    RT5616_L_MUTE | RT5616_R_MUTE);
                msleep(30);
                break;

        default:
                return 0;
        }

        return 0;
}

static int rt5616_lout_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:
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                    RT5616_PWR_LM, RT5616_PWR_LM);
                snd_soc_component_update_bits(component, RT5616_LOUT_CTRL1,
                                    RT5616_L_MUTE | RT5616_R_MUTE, 0);
                break;

        case SND_SOC_DAPM_PRE_PMD:
                snd_soc_component_update_bits(component, RT5616_LOUT_CTRL1,
                                    RT5616_L_MUTE | RT5616_R_MUTE,
                                    RT5616_L_MUTE | RT5616_R_MUTE);
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                    RT5616_PWR_LM, 0);
                break;

        default:
                return 0;
        }

        return 0;
}

static int rt5616_bst1_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:
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
                                    RT5616_PWR_BST1_OP2, RT5616_PWR_BST1_OP2);
                break;

        case SND_SOC_DAPM_PRE_PMD:
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
                                    RT5616_PWR_BST1_OP2, 0);
                break;

        default:
                return 0;
        }

        return 0;
}

static int rt5616_bst2_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:
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
                                    RT5616_PWR_BST2_OP2, RT5616_PWR_BST2_OP2);
                break;

        case SND_SOC_DAPM_PRE_PMD:
                snd_soc_component_update_bits(component, RT5616_PWR_ANLG2,
                                    RT5616_PWR_BST2_OP2, 0);
                break;

        default:
                return 0;
        }

        return 0;
}

static const struct snd_soc_dapm_widget rt5616_dapm_widgets[] = {
        SND_SOC_DAPM_SUPPLY("PLL1", RT5616_PWR_ANLG2,
                            RT5616_PWR_PLL_BIT, 0, NULL, 0),
        /* Input Side */
        /* micbias */
        SND_SOC_DAPM_SUPPLY("LDO", RT5616_PWR_ANLG1,
                            RT5616_PWR_LDO_BIT, 0, NULL, 0),
        SND_SOC_DAPM_SUPPLY("micbias1", RT5616_PWR_ANLG2,
                            RT5616_PWR_MB1_BIT, 0, NULL, 0),

        /* Input Lines */
        SND_SOC_DAPM_INPUT("MIC1"),
        SND_SOC_DAPM_INPUT("MIC2"),

        SND_SOC_DAPM_INPUT("IN1P"),
        SND_SOC_DAPM_INPUT("IN2P"),
        SND_SOC_DAPM_INPUT("IN2N"),

        /* Boost */
        SND_SOC_DAPM_PGA_E("BST1", RT5616_PWR_ANLG2,
                           RT5616_PWR_BST1_BIT, 0, NULL, 0, rt5616_bst1_event,
                           SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_PGA_E("BST2", RT5616_PWR_ANLG2,
                           RT5616_PWR_BST2_BIT, 0, NULL, 0, rt5616_bst2_event,
                           SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
        /* Input Volume */
        SND_SOC_DAPM_PGA("INL1 VOL", RT5616_PWR_VOL,
                         RT5616_PWR_IN1_L_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INR1 VOL", RT5616_PWR_VOL,
                         RT5616_PWR_IN1_R_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INL2 VOL", RT5616_PWR_VOL,
                         RT5616_PWR_IN2_L_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INR2 VOL", RT5616_PWR_VOL,
                         RT5616_PWR_IN2_R_BIT, 0, NULL, 0),

        /* REC Mixer */
        SND_SOC_DAPM_MIXER("RECMIXL", RT5616_PWR_MIXER, RT5616_PWR_RM_L_BIT, 0,
                           rt5616_rec_l_mix, ARRAY_SIZE(rt5616_rec_l_mix)),
        SND_SOC_DAPM_MIXER("RECMIXR", RT5616_PWR_MIXER, RT5616_PWR_RM_R_BIT, 0,
                           rt5616_rec_r_mix, ARRAY_SIZE(rt5616_rec_r_mix)),
        /* ADCs */
        SND_SOC_DAPM_ADC_E("ADC L", NULL, RT5616_PWR_DIG1,
                           RT5616_PWR_ADC_L_BIT, 0, rt5616_adc_event,
                           SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_ADC_E("ADC R", NULL, RT5616_PWR_DIG1,
                           RT5616_PWR_ADC_R_BIT, 0, rt5616_adc_event,
                           SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),

        /* ADC Mixer */
        SND_SOC_DAPM_SUPPLY("stereo1 filter", RT5616_PWR_DIG2,
                            RT5616_PWR_ADC_STO1_F_BIT, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("Stereo1 ADC MIXL", SND_SOC_NOPM, 0, 0,
                           rt5616_sto1_adc_l_mix,
                           ARRAY_SIZE(rt5616_sto1_adc_l_mix)),
        SND_SOC_DAPM_MIXER("Stereo1 ADC MIXR", SND_SOC_NOPM, 0, 0,
                           rt5616_sto1_adc_r_mix,
                           ARRAY_SIZE(rt5616_sto1_adc_r_mix)),

        /* Digital Interface */
        SND_SOC_DAPM_SUPPLY("I2S1", RT5616_PWR_DIG1,
                            RT5616_PWR_I2S1_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("IF1 DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("IF1 DAC1 L", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("IF1 DAC1 R", SND_SOC_NOPM, 0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("IF1 ADC1", SND_SOC_NOPM, 0, 0, NULL, 0),

        /* Digital Interface Select */

        /* Audio Interface */
        SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
        SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),

        /* Audio DSP */
        SND_SOC_DAPM_PGA("Audio DSP", SND_SOC_NOPM, 0, 0, NULL, 0),

        /* Output Side */
        /* DAC mixer before sound effect  */
        SND_SOC_DAPM_MIXER("DAC MIXL", SND_SOC_NOPM, 0, 0,
                           rt5616_dac_l_mix, ARRAY_SIZE(rt5616_dac_l_mix)),
        SND_SOC_DAPM_MIXER("DAC MIXR", SND_SOC_NOPM, 0, 0,
                           rt5616_dac_r_mix, ARRAY_SIZE(rt5616_dac_r_mix)),

        SND_SOC_DAPM_SUPPLY("Stero1 DAC Power", RT5616_PWR_DIG2,
                            RT5616_PWR_DAC_STO1_F_BIT, 0, NULL, 0),

        /* DAC Mixer */
        SND_SOC_DAPM_MIXER("Stereo DAC MIXL", SND_SOC_NOPM, 0, 0,
                           rt5616_sto_dac_l_mix,
                           ARRAY_SIZE(rt5616_sto_dac_l_mix)),
        SND_SOC_DAPM_MIXER("Stereo DAC MIXR", SND_SOC_NOPM, 0, 0,
                           rt5616_sto_dac_r_mix,
                           ARRAY_SIZE(rt5616_sto_dac_r_mix)),

        /* DACs */
        SND_SOC_DAPM_DAC("DAC L1", NULL, RT5616_PWR_DIG1,
                         RT5616_PWR_DAC_L1_BIT, 0),
        SND_SOC_DAPM_DAC("DAC R1", NULL, RT5616_PWR_DIG1,
                         RT5616_PWR_DAC_R1_BIT, 0),
        /* OUT Mixer */
        SND_SOC_DAPM_MIXER("OUT MIXL", RT5616_PWR_MIXER, RT5616_PWR_OM_L_BIT,
                           0, rt5616_out_l_mix, ARRAY_SIZE(rt5616_out_l_mix)),
        SND_SOC_DAPM_MIXER("OUT MIXR", RT5616_PWR_MIXER, RT5616_PWR_OM_R_BIT,
                           0, rt5616_out_r_mix, ARRAY_SIZE(rt5616_out_r_mix)),
        /* Output Volume */
        SND_SOC_DAPM_PGA("OUTVOL L", RT5616_PWR_VOL,
                         RT5616_PWR_OV_L_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("OUTVOL R", RT5616_PWR_VOL,
                         RT5616_PWR_OV_R_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("HPOVOL L", RT5616_PWR_VOL,
                         RT5616_PWR_HV_L_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("HPOVOL R", RT5616_PWR_VOL,
                         RT5616_PWR_HV_R_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("DAC 1", SND_SOC_NOPM,
                         0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("DAC 2", SND_SOC_NOPM,
                         0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("HPOVOL", SND_SOC_NOPM,
                         0, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INL1", RT5616_PWR_VOL,
                         RT5616_PWR_IN1_L_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INR1", RT5616_PWR_VOL,
                         RT5616_PWR_IN1_R_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INL2", RT5616_PWR_VOL,
                         RT5616_PWR_IN2_L_BIT, 0, NULL, 0),
        SND_SOC_DAPM_PGA("INR2", RT5616_PWR_VOL,
                         RT5616_PWR_IN2_R_BIT, 0, NULL, 0),
        /* HPO/LOUT/Mono Mixer */
        SND_SOC_DAPM_MIXER("HPO MIX", SND_SOC_NOPM, 0, 0,
                           rt5616_hpo_mix, ARRAY_SIZE(rt5616_hpo_mix)),
        SND_SOC_DAPM_MIXER("LOUT MIX", SND_SOC_NOPM, 0, 0,
                           rt5616_lout_mix, ARRAY_SIZE(rt5616_lout_mix)),

        SND_SOC_DAPM_PGA_S("HP amp", 1, SND_SOC_NOPM, 0, 0,
                           rt5616_hp_event, SND_SOC_DAPM_PRE_PMD |
                           SND_SOC_DAPM_POST_PMU),
        SND_SOC_DAPM_PGA_S("LOUT amp", 1, SND_SOC_NOPM, 0, 0,
                           rt5616_lout_event, SND_SOC_DAPM_PRE_PMD |
                           SND_SOC_DAPM_POST_PMU),

        SND_SOC_DAPM_SUPPLY_S("Charge Pump", 1, SND_SOC_NOPM, 0, 0,
                              rt5616_charge_pump_event, SND_SOC_DAPM_POST_PMU |
                              SND_SOC_DAPM_PRE_PMD),

        /* Output Lines */
        SND_SOC_DAPM_OUTPUT("HPOL"),
        SND_SOC_DAPM_OUTPUT("HPOR"),
        SND_SOC_DAPM_OUTPUT("LOUTL"),
        SND_SOC_DAPM_OUTPUT("LOUTR"),
};

static const struct snd_soc_dapm_route rt5616_dapm_routes[] = {
        {"IN1P", NULL, "LDO"},
        {"IN2P", NULL, "LDO"},

        {"IN1P", NULL, "MIC1"},
        {"IN2P", NULL, "MIC2"},
        {"IN2N", NULL, "MIC2"},

        {"BST1", NULL, "IN1P"},
        {"BST2", NULL, "IN2P"},
        {"BST2", NULL, "IN2N"},
        {"BST1", NULL, "micbias1"},
        {"BST2", NULL, "micbias1"},

        {"INL1 VOL", NULL, "IN2P"},
        {"INR1 VOL", NULL, "IN2N"},

        {"RECMIXL", "INL1 Switch", "INL1 VOL"},
        {"RECMIXL", "BST2 Switch", "BST2"},
        {"RECMIXL", "BST1 Switch", "BST1"},

        {"RECMIXR", "INR1 Switch", "INR1 VOL"},
        {"RECMIXR", "BST2 Switch", "BST2"},
        {"RECMIXR", "BST1 Switch", "BST1"},

        {"ADC L", NULL, "RECMIXL"},
        {"ADC R", NULL, "RECMIXR"},

        {"Stereo1 ADC MIXL", "ADC1 Switch", "ADC L"},
        {"Stereo1 ADC MIXL", NULL, "stereo1 filter"},
        {"stereo1 filter", NULL, "PLL1", is_sys_clk_from_pll},

        {"Stereo1 ADC MIXR", "ADC1 Switch", "ADC R"},
        {"Stereo1 ADC MIXR", NULL, "stereo1 filter"},
        {"stereo1 filter", NULL, "PLL1", is_sys_clk_from_pll},

        {"IF1 ADC1", NULL, "Stereo1 ADC MIXL"},
        {"IF1 ADC1", NULL, "Stereo1 ADC MIXR"},
        {"IF1 ADC1", NULL, "I2S1"},

        {"AIF1TX", NULL, "IF1 ADC1"},

        {"IF1 DAC", NULL, "AIF1RX"},
        {"IF1 DAC", NULL, "I2S1"},

        {"IF1 DAC1 L", NULL, "IF1 DAC"},
        {"IF1 DAC1 R", NULL, "IF1 DAC"},

        {"DAC MIXL", "Stereo ADC Switch", "Stereo1 ADC MIXL"},
        {"DAC MIXL", "INF1 Switch", "IF1 DAC1 L"},
        {"DAC MIXR", "Stereo ADC Switch", "Stereo1 ADC MIXR"},
        {"DAC MIXR", "INF1 Switch", "IF1 DAC1 R"},

        {"Audio DSP", NULL, "DAC MIXL"},
        {"Audio DSP", NULL, "DAC MIXR"},

        {"Stereo DAC MIXL", "DAC L1 Switch", "Audio DSP"},
        {"Stereo DAC MIXL", "DAC R1 Switch", "DAC MIXR"},
        {"Stereo DAC MIXL", NULL, "Stero1 DAC Power"},
        {"Stereo DAC MIXR", "DAC R1 Switch", "Audio DSP"},
        {"Stereo DAC MIXR", "DAC L1 Switch", "DAC MIXL"},
        {"Stereo DAC MIXR", NULL, "Stero1 DAC Power"},

        {"DAC L1", NULL, "Stereo DAC MIXL"},
        {"DAC L1", NULL, "PLL1", is_sys_clk_from_pll},
        {"DAC R1", NULL, "Stereo DAC MIXR"},
        {"DAC R1", NULL, "PLL1", is_sys_clk_from_pll},

        {"OUT MIXL", "BST1 Switch", "BST1"},
        {"OUT MIXL", "BST2 Switch", "BST2"},
        {"OUT MIXL", "INL1 Switch", "INL1 VOL"},
        {"OUT MIXL", "REC MIXL Switch", "RECMIXL"},
        {"OUT MIXL", "DAC L1 Switch", "DAC L1"},

        {"OUT MIXR", "BST2 Switch", "BST2"},
        {"OUT MIXR", "BST1 Switch", "BST1"},
        {"OUT MIXR", "INR1 Switch", "INR1 VOL"},
        {"OUT MIXR", "REC MIXR Switch", "RECMIXR"},
        {"OUT MIXR", "DAC R1 Switch", "DAC R1"},

        {"HPOVOL L", NULL, "OUT MIXL"},
        {"HPOVOL R", NULL, "OUT MIXR"},
        {"OUTVOL L", NULL, "OUT MIXL"},
        {"OUTVOL R", NULL, "OUT MIXR"},

        {"DAC 1", NULL, "DAC L1"},
        {"DAC 1", NULL, "DAC R1"},
        {"HPOVOL", NULL, "HPOVOL L"},
        {"HPOVOL", NULL, "HPOVOL R"},
        {"HPO MIX", "DAC1 Switch", "DAC 1"},
        {"HPO MIX", "HPVOL Switch", "HPOVOL"},

        {"LOUT MIX", "DAC L1 Switch", "DAC L1"},
        {"LOUT MIX", "DAC R1 Switch", "DAC R1"},
        {"LOUT MIX", "OUTVOL L Switch", "OUTVOL L"},
        {"LOUT MIX", "OUTVOL R Switch", "OUTVOL R"},

        {"HP amp", NULL, "HPO MIX"},
        {"HP amp", NULL, "Charge Pump"},
        {"HPOL", NULL, "HP amp"},
        {"HPOR", NULL, "HP amp"},

        {"LOUT amp", NULL, "LOUT MIX"},
        {"LOUT amp", NULL, "Charge Pump"},
        {"LOUTL", NULL, "LOUT amp"},
        {"LOUTR", NULL, "LOUT amp"},

};

static int rt5616_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 rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
        unsigned int val_len = 0, val_clk, mask_clk;
        int pre_div, bclk_ms, frame_size;

        rt5616->lrck[dai->id] = params_rate(params);

        pre_div = rl6231_get_clk_info(rt5616->sysclk, rt5616->lrck[dai->id]);

        if (pre_div < 0) {
                dev_err(component->dev, "Unsupported clock setting\n");
                return -EINVAL;
        }
        frame_size = snd_soc_params_to_frame_size(params);
        if (frame_size < 0) {
                dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);
                return -EINVAL;
        }
        bclk_ms = frame_size > 32 ? 1 : 0;
        rt5616->bclk[dai->id] = rt5616->lrck[dai->id] * (32 << bclk_ms);

        dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
                rt5616->bclk[dai->id], rt5616->lrck[dai->id]);
        dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
                bclk_ms, pre_div, dai->id);

        switch (params_format(params)) {
        case SNDRV_PCM_FORMAT_S16_LE:
                break;
        case SNDRV_PCM_FORMAT_S20_3LE:
                val_len |= RT5616_I2S_DL_20;
                break;
        case SNDRV_PCM_FORMAT_S24_LE:
                val_len |= RT5616_I2S_DL_24;
                break;
        case SNDRV_PCM_FORMAT_S8:
                val_len |= RT5616_I2S_DL_8;
                break;
        default:
                return -EINVAL;
        }

        mask_clk = RT5616_I2S_PD1_MASK;
        val_clk = pre_div << RT5616_I2S_PD1_SFT;
        snd_soc_component_update_bits(component, RT5616_I2S1_SDP,
                            RT5616_I2S_DL_MASK, val_len);
        snd_soc_component_update_bits(component, RT5616_ADDA_CLK1, mask_clk, val_clk);

        return 0;
}

static int rt5616_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
        struct snd_soc_component *component = dai->component;
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
        unsigned int reg_val = 0;

        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
                rt5616->master[dai->id] = 1;
                break;
        case SND_SOC_DAIFMT_CBC_CFC:
                reg_val |= RT5616_I2S_MS_S;
                rt5616->master[dai->id] = 0;
                break;
        default:
                return -EINVAL;
        }

        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
        case SND_SOC_DAIFMT_NB_NF:
                break;
        case SND_SOC_DAIFMT_IB_NF:
                reg_val |= RT5616_I2S_BP_INV;
                break;
        default:
                return -EINVAL;
        }

        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
                break;
        case SND_SOC_DAIFMT_LEFT_J:
                reg_val |= RT5616_I2S_DF_LEFT;
                break;
        case SND_SOC_DAIFMT_DSP_A:
                reg_val |= RT5616_I2S_DF_PCM_A;
                break;
        case SND_SOC_DAIFMT_DSP_B:
                reg_val |= RT5616_I2S_DF_PCM_B;
                break;
        default:
                return -EINVAL;
        }

        snd_soc_component_update_bits(component, RT5616_I2S1_SDP,
                            RT5616_I2S_MS_MASK | RT5616_I2S_BP_MASK |
                            RT5616_I2S_DF_MASK, reg_val);

        return 0;
}

static int rt5616_set_dai_sysclk(struct snd_soc_dai *dai,
                                 int clk_id, unsigned int freq, int dir)
{
        struct snd_soc_component *component = dai->component;
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
        unsigned int reg_val = 0;

        if (freq == rt5616->sysclk && clk_id == rt5616->sysclk_src)
                return 0;

        switch (clk_id) {
        case RT5616_SCLK_S_MCLK:
                reg_val |= RT5616_SCLK_SRC_MCLK;
                break;
        case RT5616_SCLK_S_PLL1:
                reg_val |= RT5616_SCLK_SRC_PLL1;
                break;
        default:
                dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
                return -EINVAL;
        }

        snd_soc_component_update_bits(component, RT5616_GLB_CLK,
                            RT5616_SCLK_SRC_MASK, reg_val);
        rt5616->sysclk = freq;
        rt5616->sysclk_src = clk_id;

        dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);

        return 0;
}

static int rt5616_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
                              unsigned int freq_in, unsigned int freq_out)
{
        struct snd_soc_component *component = dai->component;
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
        struct rl6231_pll_code pll_code;
        int ret;

        if (source == rt5616->pll_src && freq_in == rt5616->pll_in &&
            freq_out == rt5616->pll_out)
                return 0;

        if (!freq_in || !freq_out) {
                dev_dbg(component->dev, "PLL disabled\n");

                rt5616->pll_in = 0;
                rt5616->pll_out = 0;
                snd_soc_component_update_bits(component, RT5616_GLB_CLK,
                                    RT5616_SCLK_SRC_MASK,
                                    RT5616_SCLK_SRC_MCLK);
                return 0;
        }

        switch (source) {
        case RT5616_PLL1_S_MCLK:
                snd_soc_component_update_bits(component, RT5616_GLB_CLK,
                                    RT5616_PLL1_SRC_MASK,
                                    RT5616_PLL1_SRC_MCLK);
                break;
        case RT5616_PLL1_S_BCLK1:
        case RT5616_PLL1_S_BCLK2:
                snd_soc_component_update_bits(component, RT5616_GLB_CLK,
                                    RT5616_PLL1_SRC_MASK,
                                    RT5616_PLL1_SRC_BCLK1);
                break;
        default:
                dev_err(component->dev, "Unknown PLL source %d\n", source);
                return -EINVAL;
        }

        ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
        if (ret < 0) {
                dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
                return ret;
        }

        dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
                pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
                pll_code.n_code, pll_code.k_code);

        snd_soc_component_write(component, RT5616_PLL_CTRL1,
                      pll_code.n_code << RT5616_PLL_N_SFT | pll_code.k_code);
        snd_soc_component_write(component, RT5616_PLL_CTRL2,
                      (pll_code.m_bp ? 0 : pll_code.m_code) <<
                      RT5616_PLL_M_SFT |
                      pll_code.m_bp << RT5616_PLL_M_BP_SFT);

        rt5616->pll_in = freq_in;
        rt5616->pll_out = freq_out;
        rt5616->pll_src = source;

        return 0;
}

static int rt5616_set_bias_level(struct snd_soc_component *component,
                                 enum snd_soc_bias_level level)
{
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
        int ret;

        switch (level) {

        case SND_SOC_BIAS_ON:
                break;

        case SND_SOC_BIAS_PREPARE:
                /*
                 * SND_SOC_BIAS_PREPARE is called while preparing for a
                 * transition to ON or away from ON. If current bias_level
                 * is SND_SOC_BIAS_ON, then it is preparing for a transition
                 * away from ON. Disable the clock in that case, otherwise
                 * enable it.
                 */
                if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_ON) {
                        clk_disable_unprepare(rt5616->mclk);
                } else {
                        ret = clk_prepare_enable(rt5616->mclk);
                        if (ret)
                                return ret;
                }
                break;

        case SND_SOC_BIAS_STANDBY:
                if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
                        snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                            RT5616_PWR_VREF1 | RT5616_PWR_MB |
                                            RT5616_PWR_BG | RT5616_PWR_VREF2,
                                            RT5616_PWR_VREF1 | RT5616_PWR_MB |
                                            RT5616_PWR_BG | RT5616_PWR_VREF2);
                        mdelay(10);
                        snd_soc_component_update_bits(component, RT5616_PWR_ANLG1,
                                            RT5616_PWR_FV1 | RT5616_PWR_FV2,
                                            RT5616_PWR_FV1 | RT5616_PWR_FV2);
                        snd_soc_component_update_bits(component, RT5616_D_MISC,
                                            RT5616_D_GATE_EN,
                                            RT5616_D_GATE_EN);
                }
                break;

        case SND_SOC_BIAS_OFF:
                snd_soc_component_update_bits(component, RT5616_D_MISC, RT5616_D_GATE_EN, 0);
                snd_soc_component_write(component, RT5616_PWR_DIG1, 0x0000);
                snd_soc_component_write(component, RT5616_PWR_DIG2, 0x0000);
                snd_soc_component_write(component, RT5616_PWR_VOL, 0x0000);
                snd_soc_component_write(component, RT5616_PWR_MIXER, 0x0000);
                snd_soc_component_write(component, RT5616_PWR_ANLG1, 0x0000);
                snd_soc_component_write(component, RT5616_PWR_ANLG2, 0x0000);
                break;

        default:
                break;
        }

        return 0;
}

static int rt5616_probe(struct snd_soc_component *component)
{
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);

        /* Check if MCLK provided */
        rt5616->mclk = devm_clk_get_optional(component->dev, "mclk");
        if (IS_ERR(rt5616->mclk))
                return PTR_ERR(rt5616->mclk);

        rt5616->component = component;

        return 0;
}

#ifdef CONFIG_PM
static int rt5616_suspend(struct snd_soc_component *component)
{
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);

        regcache_cache_only(rt5616->regmap, true);
        regcache_mark_dirty(rt5616->regmap);

        return 0;
}

static int rt5616_resume(struct snd_soc_component *component)
{
        struct rt5616_priv *rt5616 = snd_soc_component_get_drvdata(component);

        regcache_cache_only(rt5616->regmap, false);
        regcache_sync(rt5616->regmap);
        return 0;
}
#else
#define rt5616_suspend NULL
#define rt5616_resume NULL
#endif

#define RT5616_STEREO_RATES SNDRV_PCM_RATE_8000_192000
#define RT5616_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)

static const struct snd_soc_dai_ops rt5616_aif_dai_ops = {
        .hw_params = rt5616_hw_params,
        .set_fmt = rt5616_set_dai_fmt,
        .set_sysclk = rt5616_set_dai_sysclk,
        .set_pll = rt5616_set_dai_pll,
};

static struct snd_soc_dai_driver rt5616_dai[] = {
        {
                .name = "rt5616-aif1",
                .id = RT5616_AIF1,
                .playback = {
                        .stream_name = "AIF1 Playback",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = RT5616_STEREO_RATES,
                        .formats = RT5616_FORMATS,
                },
                .capture = {
                        .stream_name = "AIF1 Capture",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = RT5616_STEREO_RATES,
                        .formats = RT5616_FORMATS,
                },
                .ops = &rt5616_aif_dai_ops,
        },
};

static const struct snd_soc_component_driver soc_component_dev_rt5616 = {
        .probe                  = rt5616_probe,
        .suspend                = rt5616_suspend,
        .resume                 = rt5616_resume,
        .set_bias_level         = rt5616_set_bias_level,
        .controls               = rt5616_snd_controls,
        .num_controls           = ARRAY_SIZE(rt5616_snd_controls),
        .dapm_widgets           = rt5616_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(rt5616_dapm_widgets),
        .dapm_routes            = rt5616_dapm_routes,
        .num_dapm_routes        = ARRAY_SIZE(rt5616_dapm_routes),
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static const struct regmap_config rt5616_regmap = {
        .reg_bits = 8,
        .val_bits = 16,
        .use_single_read = true,
        .use_single_write = true,
        .max_register = RT5616_DEVICE_ID + 1 + (ARRAY_SIZE(rt5616_ranges) *
                                               RT5616_PR_SPACING),
        .volatile_reg = rt5616_volatile_register,
        .readable_reg = rt5616_readable_register,
        .cache_type = REGCACHE_MAPLE,
        .reg_defaults = rt5616_reg,
        .num_reg_defaults = ARRAY_SIZE(rt5616_reg),
        .ranges = rt5616_ranges,
        .num_ranges = ARRAY_SIZE(rt5616_ranges),
};

static const struct i2c_device_id rt5616_i2c_id[] = {
        { "rt5616" },
        { }
};
MODULE_DEVICE_TABLE(i2c, rt5616_i2c_id);

#if defined(CONFIG_OF)
static const struct of_device_id rt5616_of_match[] = {
        { .compatible = "realtek,rt5616", },
        {},
};
MODULE_DEVICE_TABLE(of, rt5616_of_match);
#endif

static int rt5616_i2c_probe(struct i2c_client *i2c)
{
        struct rt5616_priv *rt5616;
        unsigned int val;
        int ret;

        rt5616 = devm_kzalloc(&i2c->dev, sizeof(struct rt5616_priv),
                              GFP_KERNEL);
        if (!rt5616)
                return -ENOMEM;

        i2c_set_clientdata(i2c, rt5616);

        rt5616->regmap = devm_regmap_init_i2c(i2c, &rt5616_regmap);
        if (IS_ERR(rt5616->regmap)) {
                ret = PTR_ERR(rt5616->regmap);
                dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
                        ret);
                return ret;
        }

        regmap_read(rt5616->regmap, RT5616_DEVICE_ID, &val);
        if (val != 0x6281) {
                dev_err(&i2c->dev,
                        "Device with ID register %#x is not rt5616\n",
                        val);
                return -ENODEV;
        }
        regmap_write(rt5616->regmap, RT5616_RESET, 0);
        regmap_update_bits(rt5616->regmap, RT5616_PWR_ANLG1,
                           RT5616_PWR_VREF1 | RT5616_PWR_MB |
                           RT5616_PWR_BG | RT5616_PWR_VREF2,
                           RT5616_PWR_VREF1 | RT5616_PWR_MB |
                           RT5616_PWR_BG | RT5616_PWR_VREF2);
        mdelay(10);
        regmap_update_bits(rt5616->regmap, RT5616_PWR_ANLG1,
                           RT5616_PWR_FV1 | RT5616_PWR_FV2,
                           RT5616_PWR_FV1 | RT5616_PWR_FV2);

        ret = regmap_register_patch(rt5616->regmap, init_list,
                                    ARRAY_SIZE(init_list));
        if (ret != 0)
                dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);

        regmap_update_bits(rt5616->regmap, RT5616_PWR_ANLG1,
                           RT5616_PWR_LDO_DVO_MASK, RT5616_PWR_LDO_DVO_1_2V);

        return devm_snd_soc_register_component(&i2c->dev,
                                      &soc_component_dev_rt5616,
                                      rt5616_dai, ARRAY_SIZE(rt5616_dai));
}

static void rt5616_i2c_remove(struct i2c_client *i2c)
{}

static void rt5616_i2c_shutdown(struct i2c_client *client)
{
        struct rt5616_priv *rt5616 = i2c_get_clientdata(client);

        regmap_write(rt5616->regmap, RT5616_HP_VOL, 0xc8c8);
        regmap_write(rt5616->regmap, RT5616_LOUT_CTRL1, 0xc8c8);
}

static struct i2c_driver rt5616_i2c_driver = {
        .driver = {
                .name = "rt5616",
                .of_match_table = of_match_ptr(rt5616_of_match),
        },
        .probe = rt5616_i2c_probe,
        .remove = rt5616_i2c_remove,
        .shutdown = rt5616_i2c_shutdown,
        .id_table = rt5616_i2c_id,
};
module_i2c_driver(rt5616_i2c_driver);

MODULE_DESCRIPTION("ASoC RT5616 driver");
MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
MODULE_LICENSE("GPL");