root/sound/soc/codecs/tlv320aic32x4.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * linux/sound/soc/codecs/tlv320aic32x4.c
 *
 * Copyright 2011 Vista Silicon S.L.
 *
 * Author: Javier Martin <javier.martin@vista-silicon.com>
 *
 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
 */

#include <linux/cdev.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/of_clk.h>
#include <linux/pm.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>

#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <sound/tlv320aic32x4.h>

#include "tlv320aic32x4.h"

struct aic32x4_priv {
        struct regmap *regmap;
        u32 power_cfg;
        u32 micpga_routing;
        bool swapdacs;
        struct gpio_desc *rstn_gpio;
        const char *mclk_name;

        struct regulator *supply_ldo;
        struct regulator *supply_iov;
        struct regulator *supply_dv;
        struct regulator *supply_av;

        struct aic32x4_setup_data *setup;
        struct device *dev;
        enum aic32x4_type type;

        unsigned int fmt;
};

static int aic32x4_reset_adc(struct snd_soc_dapm_widget *w,
                             struct snd_kcontrol *kcontrol, int event)
{
        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
        u32 adc_reg;

        /*
         * Workaround: the datasheet does not mention a required programming
         * sequence but experiments show the ADC needs to be reset after each
         * capture to avoid audible artifacts.
         */
        switch (event) {
        case SND_SOC_DAPM_POST_PMD:
                adc_reg = snd_soc_component_read(component, AIC32X4_ADCSETUP);
                snd_soc_component_write(component, AIC32X4_ADCSETUP, adc_reg |
                                        AIC32X4_LADC_EN | AIC32X4_RADC_EN);
                snd_soc_component_write(component, AIC32X4_ADCSETUP, adc_reg);
                break;
        }
        return 0;
};

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

        switch (event) {
        case SND_SOC_DAPM_POST_PMU:
                /* Change Mic Bias Registor */
                snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
                                AIC32x4_MICBIAS_MASK,
                                AIC32X4_MICBIAS_LDOIN |
                                AIC32X4_MICBIAS_2075V);
                printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__);
                break;
        case SND_SOC_DAPM_PRE_PMD:
                snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
                                AIC32x4_MICBIAS_MASK, 0);
                printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n",
                                __func__);
                break;
        }

        return 0;
}


static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        u8 val;

        val = snd_soc_component_read(component, AIC32X4_DINCTL);

        ucontrol->value.integer.value[0] = (val & 0x01);

        return 0;
};

static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        u8 val;
        u8 gpio_check;

        val = snd_soc_component_read(component, AIC32X4_DOUTCTL);
        gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
        if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
                printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n",
                        __func__);
                return -EINVAL;
        }

        if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH))
                return 0;

        if (ucontrol->value.integer.value[0])
                val |= ucontrol->value.integer.value[0];
        else
                val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH;

        snd_soc_component_write(component, AIC32X4_DOUTCTL, val);

        return 0;
};

static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        u8 val;

        val = snd_soc_component_read(component, AIC32X4_SCLKCTL);

        ucontrol->value.integer.value[0] = (val & 0x01);

        return 0;
};

static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        u8 val;
        u8 gpio_check;

        val = snd_soc_component_read(component, AIC32X4_MISOCTL);
        gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
        if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
                printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n",
                        __func__);
                return -EINVAL;
        }

        if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH))
                return 0;

        if (ucontrol->value.integer.value[0])
                val |= ucontrol->value.integer.value[0];
        else
                val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH;

        snd_soc_component_write(component, AIC32X4_MISOCTL, val);

        return 0;
};

static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        u8 val;

        val = snd_soc_component_read(component, AIC32X4_GPIOCTL);
        ucontrol->value.integer.value[0] = ((val & 0x2) >> 1);

        return 0;
};

static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol,
        struct snd_ctl_elem_value *ucontrol)
{
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
        u8 val;
        u8 gpio_check;

        val = snd_soc_component_read(component, AIC32X4_GPIOCTL);
        gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT);
        if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) {
                printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n",
                        __func__);
                return -EINVAL;
        }

        if (ucontrol->value.integer.value[0] == (val & 0x1))
                return 0;

        if (ucontrol->value.integer.value[0])
                val |= ucontrol->value.integer.value[0];
        else
                val &= 0xfe;

        snd_soc_component_write(component, AIC32X4_GPIOCTL, val);

        return 0;
};

static const struct snd_kcontrol_new aic32x4_mfp1[] = {
        SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
};

static const struct snd_kcontrol_new aic32x4_mfp2[] = {
        SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
};

static const struct snd_kcontrol_new aic32x4_mfp3[] = {
        SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
};

static const struct snd_kcontrol_new aic32x4_mfp4[] = {
        SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
};

static const struct snd_kcontrol_new aic32x4_mfp5[] = {
        SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio,
                aic32x4_set_mfp5_gpio),
};

/* 0dB min, 0.5dB steps */
static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
/* -63.5dB min, 0.5dB steps */
static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
/* -6dB min, 1dB steps */
static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
/* -12dB min, 0.5dB steps */
static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
/* -6dB min, 1dB steps */
static DECLARE_TLV_DB_SCALE(tlv_tas_driver_gain, -5850, 50, 0);
static DECLARE_TLV_DB_SCALE(tlv_amp_vol, 0, 600, 1);

static const char * const lo_cm_text[] = {
        "Full Chip", "1.65V",
};

static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text);

static const char * const ptm_text[] = {
        "P3", "P2", "P1",
};

static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text);
static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_text);

static const struct snd_kcontrol_new aic32x4_snd_controls[] = {
        SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL,
                        AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm),
        SOC_ENUM("DAC Left Playback PowerTune Switch", l_ptm_enum),
        SOC_ENUM("DAC Right Playback PowerTune Switch", r_ptm_enum),
        SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN,
                        AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0,
                        tlv_driver_gain),
        SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN,
                        AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0,
                        tlv_driver_gain),
        SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN,
                        AIC32X4_HPRGAIN, 6, 0x01, 1),
        SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN,
                        AIC32X4_LORGAIN, 6, 0x01, 1),
        SOC_ENUM("LO Playback Common Mode Switch", lo_cm_enum),
        SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL,
                        AIC32X4_RMICPGAVOL, 7, 0x01, 1),

        SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0),
        SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0),

        SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL,
                        AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol),
        SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL,
                        AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5),

        SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0),

        SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0),
        SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0),
        SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1,
                        4, 0x07, 0),
        SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1,
                        0, 0x03, 0),
        SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2,
                        6, 0x03, 0),
        SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2,
                        1, 0x1F, 0),
        SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3,
                        0, 0x7F, 0),
        SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4,
                        3, 0x1F, 0),
        SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5,
                        3, 0x1F, 0),
        SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6,
                        0, 0x1F, 0),
        SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7,
                        0, 0x0F, 0),
};

static const struct snd_kcontrol_new hpl_output_mixer_controls[] = {
        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0),
        SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0),
};

static const struct snd_kcontrol_new hpr_output_mixer_controls[] = {
        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0),
        SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0),
};

static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
        SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
};

static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
        SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
};

static const char * const resistor_text[] = {
        "Off", "10 kOhm", "20 kOhm", "40 kOhm",
};

/* Left mixer pins */
static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);

static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);

static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
};
static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
};
static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
};
static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
};
static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
};
static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
};
static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = {
        SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum),
};

/*      Right mixer pins */
static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);

static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
};
static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
};
static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
};
static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
};
static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
};
static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
};
static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
        SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
};

static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
        SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0),
        SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0,
                           &hpl_output_mixer_controls[0],
                           ARRAY_SIZE(hpl_output_mixer_controls)),
        SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0),

        SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0,
                           &lol_output_mixer_controls[0],
                           ARRAY_SIZE(lol_output_mixer_controls)),
        SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0),

        SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0),
        SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0,
                           &hpr_output_mixer_controls[0],
                           ARRAY_SIZE(hpr_output_mixer_controls)),
        SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0),
        SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0,
                           &lor_output_mixer_controls[0],
                           ARRAY_SIZE(lor_output_mixer_controls)),
        SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0),

        SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0),
        SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in1r_to_rmixer_controls),
        SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in2r_to_rmixer_controls),
        SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in3r_to_rmixer_controls),
        SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in2l_to_rmixer_controls),
        SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
                        cmr_to_rmixer_controls),
        SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
                        in1l_to_rmixer_controls),
        SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
                        in3l_to_rmixer_controls),

        SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
        SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in1l_to_lmixer_controls),
        SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in2l_to_lmixer_controls),
        SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in3l_to_lmixer_controls),
        SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
                        in1r_to_lmixer_controls),
        SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
                        cml_to_lmixer_controls),
        SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
                        in2r_to_lmixer_controls),
        SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
                        in3r_to_lmixer_controls),

        SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event,
                        SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),

        SND_SOC_DAPM_POST("ADC Reset", aic32x4_reset_adc),

        SND_SOC_DAPM_OUTPUT("HPL"),
        SND_SOC_DAPM_OUTPUT("HPR"),
        SND_SOC_DAPM_OUTPUT("LOL"),
        SND_SOC_DAPM_OUTPUT("LOR"),
        SND_SOC_DAPM_INPUT("IN1_L"),
        SND_SOC_DAPM_INPUT("IN1_R"),
        SND_SOC_DAPM_INPUT("IN2_L"),
        SND_SOC_DAPM_INPUT("IN2_R"),
        SND_SOC_DAPM_INPUT("IN3_L"),
        SND_SOC_DAPM_INPUT("IN3_R"),
        SND_SOC_DAPM_INPUT("CM_L"),
        SND_SOC_DAPM_INPUT("CM_R"),
};

static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
        /* Left Output */
        {"HPL Output Mixer", "L_DAC Switch", "Left DAC"},
        {"HPL Output Mixer", "IN1_L Switch", "IN1_L"},

        {"HPL Power", NULL, "HPL Output Mixer"},
        {"HPL", NULL, "HPL Power"},

        {"LOL Output Mixer", "L_DAC Switch", "Left DAC"},

        {"LOL Power", NULL, "LOL Output Mixer"},
        {"LOL", NULL, "LOL Power"},

        /* Right Output */
        {"HPR Output Mixer", "R_DAC Switch", "Right DAC"},
        {"HPR Output Mixer", "IN1_R Switch", "IN1_R"},

        {"HPR Power", NULL, "HPR Output Mixer"},
        {"HPR", NULL, "HPR Power"},

        {"LOR Output Mixer", "R_DAC Switch", "Right DAC"},

        {"LOR Power", NULL, "LOR Output Mixer"},
        {"LOR", NULL, "LOR Power"},

        /* Right Input */
        {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"},
        {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"},
        {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"},
        {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"},

        {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"},
        {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"},
        {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"},
        {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"},

        {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"},
        {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"},
        {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"},
        {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"},

        {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"},
        {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"},
        {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"},
        {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"},

        {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"},
        {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"},
        {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"},
        {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"},

        {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"},
        {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"},
        {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"},
        {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"},

        {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"},
        {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"},
        {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"},
        {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"},

        /* Left Input */
        {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"},
        {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"},
        {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"},
        {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"},

        {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"},
        {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"},
        {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"},
        {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"},

        {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"},
        {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"},
        {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"},
        {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"},

        {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"},
        {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"},
        {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"},
        {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"},

        {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"},
        {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"},
        {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"},
        {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"},

        {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"},
        {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"},
        {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"},
        {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"},

        {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"},
        {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"},
        {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"},
        {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"},
};

static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
        {
                .selector_reg = 0,
                .selector_mask  = 0xff,
                .window_start = 0,
                .window_len = 128,
                .range_min = 0,
                .range_max = AIC32X4_REFPOWERUP,
        },
};

const struct regmap_config aic32x4_regmap_config = {
        .max_register = AIC32X4_REFPOWERUP,
        .ranges = aic32x4_regmap_pages,
        .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
};
EXPORT_SYMBOL(aic32x4_regmap_config);

static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
                                  int clk_id, unsigned int freq, int dir)
{
        struct snd_soc_component *component = codec_dai->component;
        struct clk *mclk;
        struct clk *pll;

        pll = devm_clk_get(component->dev, "pll");
        if (IS_ERR(pll))
                return PTR_ERR(pll);

        mclk = clk_get_parent(pll);

        return clk_set_rate(mclk, freq);
}

static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
        struct snd_soc_component *component = codec_dai->component;
        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
        u8 iface_reg_1 = 0;
        u8 iface_reg_2 = 0;
        u8 iface_reg_3 = 0;

        switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
                iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
                break;
        case SND_SOC_DAIFMT_CBC_CFC:
                break;
        default:
                printk(KERN_ERR "aic32x4: invalid clock provider\n");
                return -EINVAL;
        }

        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
                break;
        case SND_SOC_DAIFMT_DSP_A:
                iface_reg_1 |= (AIC32X4_DSP_MODE <<
                                AIC32X4_IFACE1_DATATYPE_SHIFT);
                iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
                iface_reg_2 = 0x01; /* add offset 1 */
                break;
        case SND_SOC_DAIFMT_DSP_B:
                iface_reg_1 |= (AIC32X4_DSP_MODE <<
                                AIC32X4_IFACE1_DATATYPE_SHIFT);
                iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
                break;
        case SND_SOC_DAIFMT_RIGHT_J:
                iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
                                AIC32X4_IFACE1_DATATYPE_SHIFT);
                break;
        case SND_SOC_DAIFMT_LEFT_J:
                iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE <<
                                AIC32X4_IFACE1_DATATYPE_SHIFT);
                break;
        default:
                printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
                return -EINVAL;
        }

        aic32x4->fmt = fmt;

        snd_soc_component_update_bits(component, AIC32X4_IFACE1,
                                AIC32X4_IFACE1_DATATYPE_MASK |
                                AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
        snd_soc_component_update_bits(component, AIC32X4_IFACE2,
                                AIC32X4_DATA_OFFSET_MASK, iface_reg_2);
        snd_soc_component_update_bits(component, AIC32X4_IFACE3,
                                AIC32X4_BCLKINV_MASK, iface_reg_3);

        return 0;
}

static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
{
        return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
}

static int aic32x4_set_dosr(struct snd_soc_component *component, u16 dosr)
{
        snd_soc_component_write(component, AIC32X4_DOSRMSB, dosr >> 8);
        snd_soc_component_write(component, AIC32X4_DOSRLSB,
                      (dosr & 0xff));

        return 0;
}

static int aic32x4_set_processing_blocks(struct snd_soc_component *component,
                                                u8 r_block, u8 p_block)
{
        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);

        if (aic32x4->type == AIC32X4_TYPE_TAS2505) {
                if (r_block || p_block > 3)
                        return -EINVAL;

                snd_soc_component_write(component, AIC32X4_DACSPB, p_block);
        } else { /* AIC32x4 */
                if (r_block > 18 || p_block > 25)
                        return -EINVAL;

                snd_soc_component_write(component, AIC32X4_ADCSPB, r_block);
                snd_soc_component_write(component, AIC32X4_DACSPB, p_block);
        }

        return 0;
}

static int aic32x4_setup_clocks(struct snd_soc_component *component,
                                unsigned int sample_rate, unsigned int channels,
                                unsigned int bit_depth)
{
        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
        u8 aosr;
        u16 dosr;
        u8 adc_resource_class, dac_resource_class;
        u8 madc, nadc, mdac, ndac, max_nadc, min_mdac, max_ndac;
        u8 dosr_increment;
        u16 max_dosr, min_dosr;
        unsigned long adc_clock_rate, dac_clock_rate;
        int ret;

        static struct clk_bulk_data clocks[] = {
                { .id = "pll" },
                { .id = "nadc" },
                { .id = "madc" },
                { .id = "ndac" },
                { .id = "mdac" },
                { .id = "bdiv" },
        };
        ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
        if (ret)
                return ret;

        if (sample_rate <= 48000) {
                aosr = 128;
                adc_resource_class = 6;
                dac_resource_class = 8;
                dosr_increment = 8;
                if (aic32x4->type == AIC32X4_TYPE_TAS2505)
                        aic32x4_set_processing_blocks(component, 0, 1);
                else
                        aic32x4_set_processing_blocks(component, 1, 1);
        } else if (sample_rate <= 96000) {
                aosr = 64;
                adc_resource_class = 6;
                dac_resource_class = 8;
                dosr_increment = 4;
                if (aic32x4->type == AIC32X4_TYPE_TAS2505)
                        aic32x4_set_processing_blocks(component, 0, 1);
                else
                        aic32x4_set_processing_blocks(component, 1, 9);
        } else if (sample_rate == 192000) {
                aosr = 32;
                adc_resource_class = 3;
                dac_resource_class = 4;
                dosr_increment = 2;
                if (aic32x4->type == AIC32X4_TYPE_TAS2505)
                        aic32x4_set_processing_blocks(component, 0, 1);
                else
                        aic32x4_set_processing_blocks(component, 13, 19);
        } else {
                dev_err(component->dev, "Sampling rate not supported\n");
                return -EINVAL;
        }

        /* PCM over I2S is always 2-channel */
        if ((aic32x4->fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S)
                channels = 2;

        madc = DIV_ROUND_UP((32 * adc_resource_class), aosr);
        max_dosr = (AIC32X4_MAX_DOSR_FREQ / sample_rate / dosr_increment) *
                        dosr_increment;
        min_dosr = (AIC32X4_MIN_DOSR_FREQ / sample_rate / dosr_increment) *
                        dosr_increment;
        max_nadc = AIC32X4_MAX_CODEC_CLKIN_FREQ / (madc * aosr * sample_rate);

        for (nadc = max_nadc; nadc > 0; --nadc) {
                adc_clock_rate = nadc * madc * aosr * sample_rate;
                for (dosr = max_dosr; dosr >= min_dosr;
                                dosr -= dosr_increment) {
                        min_mdac = DIV_ROUND_UP((32 * dac_resource_class), dosr);
                        max_ndac = AIC32X4_MAX_CODEC_CLKIN_FREQ /
                                        (min_mdac * dosr * sample_rate);
                        for (mdac = min_mdac; mdac <= 128; ++mdac) {
                                for (ndac = max_ndac; ndac > 0; --ndac) {
                                        dac_clock_rate = ndac * mdac * dosr *
                                                        sample_rate;
                                        if (dac_clock_rate == adc_clock_rate) {
                                                if (clk_round_rate(clocks[0].clk, dac_clock_rate) == 0)
                                                        continue;

                                                clk_set_rate(clocks[0].clk,
                                                        dac_clock_rate);

                                                clk_set_rate(clocks[1].clk,
                                                        sample_rate * aosr *
                                                        madc);
                                                clk_set_rate(clocks[2].clk,
                                                        sample_rate * aosr);
                                                aic32x4_set_aosr(component,
                                                        aosr);

                                                clk_set_rate(clocks[3].clk,
                                                        sample_rate * dosr *
                                                        mdac);
                                                clk_set_rate(clocks[4].clk,
                                                        sample_rate * dosr);
                                                aic32x4_set_dosr(component,
                                                        dosr);

                                                clk_set_rate(clocks[5].clk,
                                                        sample_rate * channels *
                                                        bit_depth);

                                                return 0;
                                        }
                                }
                        }
                }
        }

        dev_err(component->dev,
                "Could not set clocks to support sample rate.\n");
        return -EINVAL;
}

static int aic32x4_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 aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
        u8 iface1_reg = 0;
        u8 dacsetup_reg = 0;

        aic32x4_setup_clocks(component, params_rate(params),
                             params_channels(params),
                             params_physical_width(params));

        switch (params_physical_width(params)) {
        case 16:
                iface1_reg |= (AIC32X4_WORD_LEN_16BITS <<
                                   AIC32X4_IFACE1_DATALEN_SHIFT);
                break;
        case 20:
                iface1_reg |= (AIC32X4_WORD_LEN_20BITS <<
                                   AIC32X4_IFACE1_DATALEN_SHIFT);
                break;
        case 24:
                iface1_reg |= (AIC32X4_WORD_LEN_24BITS <<
                                   AIC32X4_IFACE1_DATALEN_SHIFT);
                break;
        case 32:
                iface1_reg |= (AIC32X4_WORD_LEN_32BITS <<
                                   AIC32X4_IFACE1_DATALEN_SHIFT);
                break;
        }
        snd_soc_component_update_bits(component, AIC32X4_IFACE1,
                                AIC32X4_IFACE1_DATALEN_MASK, iface1_reg);

        if (params_channels(params) == 1) {
                dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
        } else {
                if (aic32x4->swapdacs)
                        dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
                else
                        dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
        }
        snd_soc_component_update_bits(component, AIC32X4_DACSETUP,
                                AIC32X4_DAC_CHAN_MASK, dacsetup_reg);

        return 0;
}

static int aic32x4_mute(struct snd_soc_dai *dai, int mute, int direction)
{
        struct snd_soc_component *component = dai->component;

        snd_soc_component_update_bits(component, AIC32X4_DACMUTE,
                                AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0);

        return 0;
}

static int aic32x4_set_bias_level(struct snd_soc_component *component,
                                  enum snd_soc_bias_level level)
{
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
        int ret;

        static struct clk_bulk_data clocks[] = {
                { .id = "madc" },
                { .id = "mdac" },
                { .id = "bdiv" },
        };

        ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
        if (ret)
                return ret;

        switch (level) {
        case SND_SOC_BIAS_ON:
                ret = clk_bulk_prepare_enable(ARRAY_SIZE(clocks), clocks);
                if (ret) {
                        dev_err(component->dev, "Failed to enable clocks\n");
                        return ret;
                }
                break;
        case SND_SOC_BIAS_PREPARE:
                break;
        case SND_SOC_BIAS_STANDBY:
                /* Initial cold start */
                if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF)
                        break;

                clk_bulk_disable_unprepare(ARRAY_SIZE(clocks), clocks);
                break;
        case SND_SOC_BIAS_OFF:
                break;
        }
        return 0;
}

#define AIC32X4_RATES   SNDRV_PCM_RATE_8000_192000
#define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
                         | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_3LE \
                         | SNDRV_PCM_FMTBIT_S32_LE)

static const struct snd_soc_dai_ops aic32x4_ops = {
        .hw_params = aic32x4_hw_params,
        .mute_stream = aic32x4_mute,
        .set_fmt = aic32x4_set_dai_fmt,
        .set_sysclk = aic32x4_set_dai_sysclk,
        .no_capture_mute = 1,
};

static struct snd_soc_dai_driver aic32x4_dai = {
        .name = "tlv320aic32x4-hifi",
        .playback = {
                         .stream_name = "Playback",
                         .channels_min = 1,
                         .channels_max = 2,
                         .rates = AIC32X4_RATES,
                         .formats = AIC32X4_FORMATS,},
        .capture = {
                        .stream_name = "Capture",
                        .channels_min = 1,
                        .channels_max = 8,
                        .rates = AIC32X4_RATES,
                        .formats = AIC32X4_FORMATS,},
        .ops = &aic32x4_ops,
        .symmetric_rate = 1,
};

static void aic32x4_setup_gpios(struct snd_soc_component *component)
{
        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);

        /* setup GPIO functions */
        /* MFP1 */
        if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
                snd_soc_component_write(component, AIC32X4_DINCTL,
                          aic32x4->setup->gpio_func[0]);
                snd_soc_add_component_controls(component, aic32x4_mfp1,
                        ARRAY_SIZE(aic32x4_mfp1));
        }

        /* MFP2 */
        if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
                snd_soc_component_write(component, AIC32X4_DOUTCTL,
                          aic32x4->setup->gpio_func[1]);
                snd_soc_add_component_controls(component, aic32x4_mfp2,
                        ARRAY_SIZE(aic32x4_mfp2));
        }

        /* MFP3 */
        if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
                snd_soc_component_write(component, AIC32X4_SCLKCTL,
                          aic32x4->setup->gpio_func[2]);
                snd_soc_add_component_controls(component, aic32x4_mfp3,
                        ARRAY_SIZE(aic32x4_mfp3));
        }

        /* MFP4 */
        if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
                snd_soc_component_write(component, AIC32X4_MISOCTL,
                          aic32x4->setup->gpio_func[3]);
                snd_soc_add_component_controls(component, aic32x4_mfp4,
                        ARRAY_SIZE(aic32x4_mfp4));
        }

        /* MFP5 */
        if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
                snd_soc_component_write(component, AIC32X4_GPIOCTL,
                          aic32x4->setup->gpio_func[4]);
                snd_soc_add_component_controls(component, aic32x4_mfp5,
                        ARRAY_SIZE(aic32x4_mfp5));
        }
}

static int aic32x4_component_probe(struct snd_soc_component *component)
{
        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
        u32 tmp_reg;
        int ret;

        static struct clk_bulk_data clocks[] = {
                { .id = "codec_clkin" },
                { .id = "pll" },
                { .id = "bdiv" },
                { .id = "mdac" },
        };

        ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
        if (ret)
                return ret;

        if (aic32x4->setup)
                aic32x4_setup_gpios(component);

        clk_set_parent(clocks[0].clk, clocks[1].clk);
        clk_set_parent(clocks[2].clk, clocks[3].clk);

        /* Power platform configuration */
        if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
                snd_soc_component_write(component, AIC32X4_MICBIAS,
                                AIC32X4_MICBIAS_LDOIN | AIC32X4_MICBIAS_2075V);
        }
        if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
                snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);

        tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
                        AIC32X4_LDOCTLEN : 0;
        snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg);

        tmp_reg = snd_soc_component_read(component, AIC32X4_CMMODE);
        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
                tmp_reg |= AIC32X4_LDOIN_18_36;
        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
                tmp_reg |= AIC32X4_LDOIN2HP;
        snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg);

        /* Mic PGA routing */
        if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
                snd_soc_component_write(component, AIC32X4_LMICPGANIN,
                                AIC32X4_LMICPGANIN_IN2R_10K);
        else
                snd_soc_component_write(component, AIC32X4_LMICPGANIN,
                                AIC32X4_LMICPGANIN_CM1L_10K);
        if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
                snd_soc_component_write(component, AIC32X4_RMICPGANIN,
                                AIC32X4_RMICPGANIN_IN1L_10K);
        else
                snd_soc_component_write(component, AIC32X4_RMICPGANIN,
                                AIC32X4_RMICPGANIN_CM1R_10K);

        /*
         * Workaround: for an unknown reason, the ADC needs to be powered up
         * and down for the first capture to work properly. It seems related to
         * a HW BUG or some kind of behavior not documented in the datasheet.
         */
        tmp_reg = snd_soc_component_read(component, AIC32X4_ADCSETUP);
        snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg |
                                AIC32X4_LADC_EN | AIC32X4_RADC_EN);
        snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg);

        /*
         * Enable the fast charging feature and ensure the needed 40ms ellapsed
         * before using the analog circuits.
         */
        snd_soc_component_write(component, AIC32X4_REFPOWERUP,
                                AIC32X4_REFPOWERUP_40MS);
        msleep(40);

        return 0;
}

static int aic32x4_of_xlate_dai_id(struct snd_soc_component *component,
                                   struct device_node *endpoint)
{
        /* return dai id 0, whatever the endpoint index */
        return 0;
}

static const struct snd_soc_component_driver soc_component_dev_aic32x4 = {
        .probe                  = aic32x4_component_probe,
        .set_bias_level         = aic32x4_set_bias_level,
        .controls               = aic32x4_snd_controls,
        .num_controls           = ARRAY_SIZE(aic32x4_snd_controls),
        .dapm_widgets           = aic32x4_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(aic32x4_dapm_widgets),
        .dapm_routes            = aic32x4_dapm_routes,
        .num_dapm_routes        = ARRAY_SIZE(aic32x4_dapm_routes),
        .of_xlate_dai_id        = aic32x4_of_xlate_dai_id,
        .suspend_bias_off       = 1,
        .idle_bias_on           = 1,
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static const struct snd_kcontrol_new aic32x4_tas2505_snd_controls[] = {
        SOC_SINGLE_S8_TLV("PCM Playback Volume",
                          AIC32X4_LDACVOL, -0x7f, 0x30, tlv_pcm),
        SOC_ENUM("DAC Playback PowerTune Switch", l_ptm_enum),

        SOC_SINGLE_TLV("HP Driver Gain Volume",
                        AIC32X4_HPLGAIN, 0, 0x74, 1, tlv_tas_driver_gain),
        SOC_SINGLE("HP DAC Playback Switch", AIC32X4_HPLGAIN, 6, 1, 1),

        SOC_SINGLE_TLV("Speaker Driver Playback Volume",
                        TAS2505_SPKVOL1, 0, 0x74, 1, tlv_tas_driver_gain),
        SOC_SINGLE_TLV("Speaker Amplifier Playback Volume",
                        TAS2505_SPKVOL2, 4, 5, 0, tlv_amp_vol),

        SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0),
};

static const struct snd_kcontrol_new hp_output_mixer_controls[] = {
        SOC_DAPM_SINGLE("DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0),
};

static const struct snd_soc_dapm_widget aic32x4_tas2505_dapm_widgets[] = {
        SND_SOC_DAPM_DAC("DAC", "Playback", AIC32X4_DACSETUP, 7, 0),
        SND_SOC_DAPM_MIXER("HP Output Mixer", SND_SOC_NOPM, 0, 0,
                           &hp_output_mixer_controls[0],
                           ARRAY_SIZE(hp_output_mixer_controls)),
        SND_SOC_DAPM_PGA("HP Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0),

        SND_SOC_DAPM_PGA("Speaker Driver", TAS2505_SPK, 1, 0, NULL, 0),

        SND_SOC_DAPM_OUTPUT("HP"),
        SND_SOC_DAPM_OUTPUT("Speaker"),
};

static const struct snd_soc_dapm_route aic32x4_tas2505_dapm_routes[] = {
        /* Left Output */
        {"HP Output Mixer", "DAC Switch", "DAC"},

        {"HP Power", NULL, "HP Output Mixer"},
        {"HP", NULL, "HP Power"},

        {"Speaker Driver", NULL, "DAC"},
        {"Speaker", NULL, "Speaker Driver"},
};

static struct snd_soc_dai_driver aic32x4_tas2505_dai = {
        .name = "tas2505-hifi",
        .playback = {
                         .stream_name = "Playback",
                         .channels_min = 1,
                         .channels_max = 2,
                         .rates = SNDRV_PCM_RATE_8000_96000,
                         .formats = AIC32X4_FORMATS,},
        .ops = &aic32x4_ops,
        .symmetric_rate = 1,
};

static int aic32x4_tas2505_component_probe(struct snd_soc_component *component)
{
        struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
        u32 tmp_reg;
        int ret;

        static struct clk_bulk_data clocks[] = {
                { .id = "codec_clkin" },
                { .id = "pll" },
                { .id = "bdiv" },
                { .id = "mdac" },
        };

        ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
        if (ret)
                return ret;

        if (aic32x4->setup)
                aic32x4_setup_gpios(component);

        clk_set_parent(clocks[0].clk, clocks[1].clk);
        clk_set_parent(clocks[2].clk, clocks[3].clk);

        /* Power platform configuration */
        if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
                snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);

        tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
                        AIC32X4_LDOCTLEN : 0;
        snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg);

        tmp_reg = snd_soc_component_read(component, AIC32X4_CMMODE);
        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
                tmp_reg |= AIC32X4_LDOIN_18_36;
        if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
                tmp_reg |= AIC32X4_LDOIN2HP;
        snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg);

        /*
         * Enable the fast charging feature and ensure the needed 40ms ellapsed
         * before using the analog circuits.
         */
        snd_soc_component_write(component, TAS2505_REFPOWERUP,
                                AIC32X4_REFPOWERUP_40MS);
        msleep(40);

        return 0;
}

static const struct snd_soc_component_driver soc_component_dev_aic32x4_tas2505 = {
        .probe                  = aic32x4_tas2505_component_probe,
        .set_bias_level         = aic32x4_set_bias_level,
        .controls               = aic32x4_tas2505_snd_controls,
        .num_controls           = ARRAY_SIZE(aic32x4_tas2505_snd_controls),
        .dapm_widgets           = aic32x4_tas2505_dapm_widgets,
        .num_dapm_widgets       = ARRAY_SIZE(aic32x4_tas2505_dapm_widgets),
        .dapm_routes            = aic32x4_tas2505_dapm_routes,
        .num_dapm_routes        = ARRAY_SIZE(aic32x4_tas2505_dapm_routes),
        .of_xlate_dai_id        = aic32x4_of_xlate_dai_id,
        .suspend_bias_off       = 1,
        .idle_bias_on           = 1,
        .use_pmdown_time        = 1,
        .endianness             = 1,
};

static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
                struct device_node *np)
{
        struct aic32x4_setup_data *aic32x4_setup;
        int ret;

        aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
                                                        GFP_KERNEL);
        if (!aic32x4_setup)
                return -ENOMEM;

        ret = of_property_match_string(np, "clock-names", "mclk");
        if (ret < 0)
                return -EINVAL;
        aic32x4->mclk_name = of_clk_get_parent_name(np, ret);

        aic32x4->swapdacs = false;
        aic32x4->micpga_routing = 0;
        /* Assert reset using GPIOD_OUT_HIGH, because reset is GPIO_ACTIVE_LOW */
        aic32x4->rstn_gpio = devm_gpiod_get_optional(aic32x4->dev, "reset", GPIOD_OUT_HIGH);
        if (IS_ERR(aic32x4->rstn_gpio)) {
                return dev_err_probe(aic32x4->dev, PTR_ERR(aic32x4->rstn_gpio),
                                     "Failed to get reset gpio\n");
        } else {
                gpiod_set_consumer_name(aic32x4->rstn_gpio, "tlv320aic32x4_rstn");
        }

        if (of_property_read_u32_array(np, "aic32x4-gpio-func",
                                aic32x4_setup->gpio_func, 5) >= 0)
                aic32x4->setup = aic32x4_setup;
        return 0;
}

static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4)
{
        regulator_disable(aic32x4->supply_iov);

        if (!IS_ERR(aic32x4->supply_ldo))
                regulator_disable(aic32x4->supply_ldo);

        if (!IS_ERR(aic32x4->supply_dv))
                regulator_disable(aic32x4->supply_dv);

        if (!IS_ERR(aic32x4->supply_av))
                regulator_disable(aic32x4->supply_av);
}

static int aic32x4_setup_regulators(struct device *dev,
                struct aic32x4_priv *aic32x4)
{
        int ret = 0;

        aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin");
        aic32x4->supply_iov = devm_regulator_get(dev, "iov");
        aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv");
        aic32x4->supply_av = devm_regulator_get_optional(dev, "av");

        /* Check if the regulator requirements are fulfilled */

        if (IS_ERR(aic32x4->supply_iov)) {
                return dev_err_probe(dev, PTR_ERR(aic32x4->supply_iov),
                                     "Missing supply 'iov'\n");
        }

        if (IS_ERR(aic32x4->supply_ldo)) {
                if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;

                if (IS_ERR(aic32x4->supply_dv)) {
                        return dev_err_probe(dev, PTR_ERR(aic32x4->supply_dv),
                                             "Missing supply 'dv' or 'ldoin'\n");
                }
                if (IS_ERR(aic32x4->supply_av)) {
                        return dev_err_probe(dev, PTR_ERR(aic32x4->supply_av),
                                             "Missing supply 'av' or 'ldoin'\n");
                }
        } else {
                if (PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;
                if (PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;
        }

        ret = regulator_enable(aic32x4->supply_iov);
        if (ret) {
                dev_err(dev, "Failed to enable regulator iov\n");
                return ret;
        }

        if (!IS_ERR(aic32x4->supply_ldo)) {
                ret = regulator_enable(aic32x4->supply_ldo);
                if (ret) {
                        dev_err(dev, "Failed to enable regulator ldo\n");
                        goto error_ldo;
                }
        }

        if (!IS_ERR(aic32x4->supply_dv)) {
                ret = regulator_enable(aic32x4->supply_dv);
                if (ret) {
                        dev_err(dev, "Failed to enable regulator dv\n");
                        goto error_dv;
                }
        }

        if (!IS_ERR(aic32x4->supply_av)) {
                ret = regulator_enable(aic32x4->supply_av);
                if (ret) {
                        dev_err(dev, "Failed to enable regulator av\n");
                        goto error_av;
                }
        }

        if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av))
                aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE;

        return 0;

error_av:
        if (!IS_ERR(aic32x4->supply_dv))
                regulator_disable(aic32x4->supply_dv);

error_dv:
        if (!IS_ERR(aic32x4->supply_ldo))
                regulator_disable(aic32x4->supply_ldo);

error_ldo:
        regulator_disable(aic32x4->supply_iov);
        return ret;
}

int aic32x4_probe(struct device *dev, struct regmap *regmap,
                  enum aic32x4_type type)
{
        struct aic32x4_priv *aic32x4;
        struct device_node *np = dev->of_node;
        int ret;

        if (IS_ERR(regmap))
                return PTR_ERR(regmap);

        aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv),
                                   GFP_KERNEL);
        if (aic32x4 == NULL)
                return -ENOMEM;

        aic32x4->dev = dev;
        aic32x4->type = type;

        dev_set_drvdata(dev, aic32x4);

        if (np) {
                ret = aic32x4_parse_dt(aic32x4, np);
                if (ret) {
                        dev_err(dev, "Failed to parse DT node\n");
                        return ret;
                }
        } else {
                aic32x4->power_cfg = 0;
                aic32x4->swapdacs = false;
                aic32x4->micpga_routing = 0;
                aic32x4->rstn_gpio = NULL;
                aic32x4->mclk_name = "mclk";
        }

        ret = aic32x4_setup_regulators(dev, aic32x4);
        if (ret)
                return dev_err_probe(dev, ret, "Failed to setup regulators\n");

        if (aic32x4->rstn_gpio) {
                ndelay(10);
                /* deassert reset */
                gpiod_set_value_cansleep(aic32x4->rstn_gpio, 0);
                mdelay(1);
        }

        ret = regmap_write(regmap, AIC32X4_RESET, 0x01);
        if (ret)
                goto err_disable_regulators;

        ret = aic32x4_register_clocks(dev, aic32x4->mclk_name);
        if (ret)
                goto err_disable_regulators;

        switch (aic32x4->type) {
        case AIC32X4_TYPE_TAS2505:
                ret = devm_snd_soc_register_component(dev,
                        &soc_component_dev_aic32x4_tas2505, &aic32x4_tas2505_dai, 1);
                break;
        default:
                ret = devm_snd_soc_register_component(dev,
                        &soc_component_dev_aic32x4, &aic32x4_dai, 1);
        }

        if (ret) {
                dev_err(dev, "Failed to register component\n");
                goto err_disable_regulators;
        }

        return 0;

err_disable_regulators:
        aic32x4_disable_regulators(aic32x4);

        return ret;
}
EXPORT_SYMBOL(aic32x4_probe);

void aic32x4_remove(struct device *dev)
{
        struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);

        aic32x4_disable_regulators(aic32x4);
}
EXPORT_SYMBOL(aic32x4_remove);

MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
MODULE_LICENSE("GPL");