root/sound/soc/codecs/cx2072x.c
// SPDX-License-Identifier: GPL-2.0
//
// ALSA SoC CX20721/CX20723 codec driver
//
// Copyright:   (C) 2017 Conexant Systems, Inc.
// Author:      Simon Ho, <Simon.ho@conexant.com>
//
// TODO: add support for TDM mode.
//

#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include "cx2072x.h"

#define PLL_OUT_HZ_48   (1024 * 3 * 48000)
#define BITS_PER_SLOT   8

/* codec private data */
struct cx2072x_priv {
        struct regmap *regmap;
        struct clk *mclk;
        unsigned int mclk_rate;
        struct device *dev;
        struct snd_soc_component *codec;
        struct snd_soc_jack_gpio jack_gpio;
        struct mutex lock;
        unsigned int bclk_ratio;
        bool pll_changed;
        bool i2spcm_changed;
        int sample_size;
        int frame_size;
        int sample_rate;
        unsigned int dai_fmt;
        bool en_aec_ref;
};

/*
 * DAC/ADC Volume
 *
 * max : 74 : 0 dB
 *       ( in 1 dB  step )
 * min : 0 : -74 dB
 */
static const DECLARE_TLV_DB_SCALE(adc_tlv, -7400, 100, 0);
static const DECLARE_TLV_DB_SCALE(dac_tlv, -7400, 100, 0);
static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 1200, 0);

static const DECLARE_TLV_DB_RANGE(hpf_tlv,
        0, 0, TLV_DB_SCALE_ITEM(120, 0, 0),
        1, 63, TLV_DB_SCALE_ITEM(30, 30, 0)
);

/* Lookup table for PRE_DIV */
static const struct {
        unsigned int mclk;
        unsigned int div;
} mclk_pre_div[] = {
        { 6144000, 1 },
        { 12288000, 2 },
        { 19200000, 3 },
        { 26000000, 4 },
        { 28224000, 5 },
        { 36864000, 6 },
        { 36864000, 7 },
        { 48000000, 8 },
        { 49152000, 8 },
};

/*
 * cx2072x register cache.
 */
static const struct reg_default cx2072x_reg_defaults[] = {
        { CX2072X_AFG_POWER_STATE, 0x00000003 },
        { CX2072X_UM_RESPONSE, 0x00000000 },
        { CX2072X_GPIO_DATA, 0x00000000 },
        { CX2072X_GPIO_ENABLE, 0x00000000 },
        { CX2072X_GPIO_DIRECTION, 0x00000000 },
        { CX2072X_GPIO_WAKE, 0x00000000 },
        { CX2072X_GPIO_UM_ENABLE, 0x00000000 },
        { CX2072X_GPIO_STICKY_MASK, 0x00000000 },
        { CX2072X_DAC1_CONVERTER_FORMAT, 0x00000031 },
        { CX2072X_DAC1_AMP_GAIN_RIGHT, 0x0000004a },
        { CX2072X_DAC1_AMP_GAIN_LEFT, 0x0000004a },
        { CX2072X_DAC1_POWER_STATE, 0x00000433 },
        { CX2072X_DAC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
        { CX2072X_DAC1_EAPD_ENABLE, 0x00000000 },
        { CX2072X_DAC2_CONVERTER_FORMAT, 0x00000031 },
        { CX2072X_DAC2_AMP_GAIN_RIGHT, 0x0000004a },
        { CX2072X_DAC2_AMP_GAIN_LEFT, 0x0000004a },
        { CX2072X_DAC2_POWER_STATE, 0x00000433 },
        { CX2072X_DAC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
        { CX2072X_ADC1_CONVERTER_FORMAT, 0x00000031 },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_0, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_1, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_2, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_3, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_3, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_4, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_4, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_5, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_5, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_RIGHT_6, 0x0000004a },
        { CX2072X_ADC1_AMP_GAIN_LEFT_6, 0x0000004a },
        { CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0x00000000 },
        { CX2072X_ADC1_POWER_STATE, 0x00000433 },
        { CX2072X_ADC1_CONVERTER_STREAM_CHANNEL, 0x00000000 },
        { CX2072X_ADC2_CONVERTER_FORMAT, 0x00000031 },
        { CX2072X_ADC2_AMP_GAIN_RIGHT_0, 0x0000004a },
        { CX2072X_ADC2_AMP_GAIN_LEFT_0, 0x0000004a },
        { CX2072X_ADC2_AMP_GAIN_RIGHT_1, 0x0000004a },
        { CX2072X_ADC2_AMP_GAIN_LEFT_1, 0x0000004a },
        { CX2072X_ADC2_AMP_GAIN_RIGHT_2, 0x0000004a },
        { CX2072X_ADC2_AMP_GAIN_LEFT_2, 0x0000004a },
        { CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0x00000000 },
        { CX2072X_ADC2_POWER_STATE, 0x00000433 },
        { CX2072X_ADC2_CONVERTER_STREAM_CHANNEL, 0x00000000 },
        { CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0x00000000 },
        { CX2072X_PORTA_POWER_STATE, 0x00000433 },
        { CX2072X_PORTA_PIN_CTRL, 0x000000c0 },
        { CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x00000000 },
        { CX2072X_PORTA_PIN_SENSE, 0x00000000 },
        { CX2072X_PORTA_EAPD_BTL, 0x00000002 },
        { CX2072X_PORTB_POWER_STATE, 0x00000433 },
        { CX2072X_PORTB_PIN_CTRL, 0x00000000 },
        { CX2072X_PORTB_UNSOLICITED_RESPONSE, 0x00000000 },
        { CX2072X_PORTB_PIN_SENSE, 0x00000000 },
        { CX2072X_PORTB_EAPD_BTL, 0x00000002 },
        { CX2072X_PORTB_GAIN_RIGHT, 0x00000000 },
        { CX2072X_PORTB_GAIN_LEFT, 0x00000000 },
        { CX2072X_PORTC_POWER_STATE, 0x00000433 },
        { CX2072X_PORTC_PIN_CTRL, 0x00000000 },
        { CX2072X_PORTC_GAIN_RIGHT, 0x00000000 },
        { CX2072X_PORTC_GAIN_LEFT, 0x00000000 },
        { CX2072X_PORTD_POWER_STATE, 0x00000433 },
        { CX2072X_PORTD_PIN_CTRL, 0x00000020 },
        { CX2072X_PORTD_UNSOLICITED_RESPONSE, 0x00000000 },
        { CX2072X_PORTD_PIN_SENSE, 0x00000000 },
        { CX2072X_PORTD_GAIN_RIGHT, 0x00000000 },
        { CX2072X_PORTD_GAIN_LEFT, 0x00000000 },
        { CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0x00000000 },
        { CX2072X_PORTE_POWER_STATE, 0x00000433 },
        { CX2072X_PORTE_PIN_CTRL, 0x00000040 },
        { CX2072X_PORTE_UNSOLICITED_RESPONSE, 0x00000000 },
        { CX2072X_PORTE_PIN_SENSE, 0x00000000 },
        { CX2072X_PORTE_EAPD_BTL, 0x00000002 },
        { CX2072X_PORTE_GAIN_RIGHT, 0x00000000 },
        { CX2072X_PORTE_GAIN_LEFT, 0x00000000 },
        { CX2072X_PORTF_POWER_STATE, 0x00000433 },
        { CX2072X_PORTF_PIN_CTRL, 0x00000000 },
        { CX2072X_PORTF_UNSOLICITED_RESPONSE, 0x00000000 },
        { CX2072X_PORTF_PIN_SENSE, 0x00000000 },
        { CX2072X_PORTF_GAIN_RIGHT, 0x00000000 },
        { CX2072X_PORTF_GAIN_LEFT, 0x00000000 },
        { CX2072X_PORTG_POWER_STATE, 0x00000433 },
        { CX2072X_PORTG_PIN_CTRL, 0x00000040 },
        { CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0x00000000 },
        { CX2072X_PORTG_EAPD_BTL, 0x00000002 },
        { CX2072X_PORTM_POWER_STATE, 0x00000433 },
        { CX2072X_PORTM_PIN_CTRL, 0x00000000 },
        { CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0x00000000 },
        { CX2072X_PORTM_EAPD_BTL, 0x00000002 },
        { CX2072X_MIXER_POWER_STATE, 0x00000433 },
        { CX2072X_MIXER_GAIN_RIGHT_0, 0x0000004a },
        { CX2072X_MIXER_GAIN_LEFT_0, 0x0000004a },
        { CX2072X_MIXER_GAIN_RIGHT_1, 0x0000004a },
        { CX2072X_MIXER_GAIN_LEFT_1, 0x0000004a },
        { CX2072X_SPKR_DRC_ENABLE_STEP, 0x040065a4 },
        { CX2072X_SPKR_DRC_CONTROL, 0x007b0024 },
        { CX2072X_SPKR_DRC_TEST, 0x00000000 },
        { CX2072X_DIGITAL_BIOS_TEST0, 0x001f008a },
        { CX2072X_DIGITAL_BIOS_TEST2, 0x00990026 },
        { CX2072X_I2SPCM_CONTROL1, 0x00010001 },
        { CX2072X_I2SPCM_CONTROL2, 0x00000000 },
        { CX2072X_I2SPCM_CONTROL3, 0x00000000 },
        { CX2072X_I2SPCM_CONTROL4, 0x00000000 },
        { CX2072X_I2SPCM_CONTROL5, 0x00000000 },
        { CX2072X_I2SPCM_CONTROL6, 0x00000000 },
        { CX2072X_UM_INTERRUPT_CRTL_E, 0x00000000 },
        { CX2072X_CODEC_TEST2, 0x00000000 },
        { CX2072X_CODEC_TEST9, 0x00000004 },
        { CX2072X_CODEC_TEST20, 0x00000600 },
        { CX2072X_CODEC_TEST26, 0x00000208 },
        { CX2072X_ANALOG_TEST4, 0x00000000 },
        { CX2072X_ANALOG_TEST5, 0x00000000 },
        { CX2072X_ANALOG_TEST6, 0x0000059a },
        { CX2072X_ANALOG_TEST7, 0x000000a7 },
        { CX2072X_ANALOG_TEST8, 0x00000017 },
        { CX2072X_ANALOG_TEST9, 0x00000000 },
        { CX2072X_ANALOG_TEST10, 0x00000285 },
        { CX2072X_ANALOG_TEST11, 0x00000000 },
        { CX2072X_ANALOG_TEST12, 0x00000000 },
        { CX2072X_ANALOG_TEST13, 0x00000000 },
        { CX2072X_DIGITAL_TEST1, 0x00000242 },
        { CX2072X_DIGITAL_TEST11, 0x00000000 },
        { CX2072X_DIGITAL_TEST12, 0x00000084 },
        { CX2072X_DIGITAL_TEST15, 0x00000077 },
        { CX2072X_DIGITAL_TEST16, 0x00000021 },
        { CX2072X_DIGITAL_TEST17, 0x00000018 },
        { CX2072X_DIGITAL_TEST18, 0x00000024 },
        { CX2072X_DIGITAL_TEST19, 0x00000001 },
        { CX2072X_DIGITAL_TEST20, 0x00000002 },
};

/*
 * register initialization
 */
static const struct reg_sequence cx2072x_reg_init[] = {
        { CX2072X_ANALOG_TEST9, 0x080 },    /* DC offset Calibration */
        { CX2072X_CODEC_TEST26, 0x65f },    /* Disable the PA */
        { CX2072X_ANALOG_TEST10, 0x289 },   /* Set the speaker output gain */
        { CX2072X_CODEC_TEST20, 0xf05 },
        { CX2072X_CODEC_TESTXX, 0x380 },
        { CX2072X_CODEC_TEST26, 0xb90 },
        { CX2072X_CODEC_TEST9,  0x001 },    /* Enable 30 Hz High pass filter */
        { CX2072X_ANALOG_TEST3, 0x300 },    /* Disable PCBEEP pad */
        { CX2072X_CODEC_TEST24, 0x100 },    /* Disable SnM mode */
        { CX2072X_PORTD_PIN_CTRL, 0x020 },  /* Enable PortD input */
        { CX2072X_GPIO_ENABLE,  0x040 },    /* Enable GPIO7 pin for button */
        { CX2072X_GPIO_UM_ENABLE, 0x040 },  /* Enable UM for GPIO7 */
        { CX2072X_UM_RESPONSE,  0x080 },    /* Enable button response */
        { CX2072X_DIGITAL_TEST12, 0x0c4 },  /* Enable headset button */
        { CX2072X_DIGITAL_TEST0, 0x415 },   /* Power down class-D during idle */
        { CX2072X_I2SPCM_CONTROL2, 0x00f }, /* Enable I2S TX */
        { CX2072X_I2SPCM_CONTROL3, 0x00f }, /* Enable I2S RX */
};

static unsigned int cx2072x_register_size(unsigned int reg)
{
        switch (reg) {
        case CX2072X_VENDOR_ID:
        case CX2072X_REVISION_ID:
        case CX2072X_PORTA_PIN_SENSE:
        case CX2072X_PORTB_PIN_SENSE:
        case CX2072X_PORTD_PIN_SENSE:
        case CX2072X_PORTE_PIN_SENSE:
        case CX2072X_PORTF_PIN_SENSE:
        case CX2072X_I2SPCM_CONTROL1:
        case CX2072X_I2SPCM_CONTROL2:
        case CX2072X_I2SPCM_CONTROL3:
        case CX2072X_I2SPCM_CONTROL4:
        case CX2072X_I2SPCM_CONTROL5:
        case CX2072X_I2SPCM_CONTROL6:
        case CX2072X_UM_INTERRUPT_CRTL_E:
        case CX2072X_EQ_G_COEFF:
        case CX2072X_SPKR_DRC_CONTROL:
        case CX2072X_SPKR_DRC_TEST:
        case CX2072X_DIGITAL_BIOS_TEST0:
        case CX2072X_DIGITAL_BIOS_TEST2:
                return 4;
        case CX2072X_EQ_ENABLE_BYPASS:
        case CX2072X_EQ_B0_COEFF:
        case CX2072X_EQ_B1_COEFF:
        case CX2072X_EQ_B2_COEFF:
        case CX2072X_EQ_A1_COEFF:
        case CX2072X_EQ_A2_COEFF:
        case CX2072X_DAC1_CONVERTER_FORMAT:
        case CX2072X_DAC2_CONVERTER_FORMAT:
        case CX2072X_ADC1_CONVERTER_FORMAT:
        case CX2072X_ADC2_CONVERTER_FORMAT:
        case CX2072X_CODEC_TEST2:
        case CX2072X_CODEC_TEST9:
        case CX2072X_CODEC_TEST20:
        case CX2072X_CODEC_TEST26:
        case CX2072X_ANALOG_TEST3:
        case CX2072X_ANALOG_TEST4:
        case CX2072X_ANALOG_TEST5:
        case CX2072X_ANALOG_TEST6:
        case CX2072X_ANALOG_TEST7:
        case CX2072X_ANALOG_TEST8:
        case CX2072X_ANALOG_TEST9:
        case CX2072X_ANALOG_TEST10:
        case CX2072X_ANALOG_TEST11:
        case CX2072X_ANALOG_TEST12:
        case CX2072X_ANALOG_TEST13:
        case CX2072X_DIGITAL_TEST0:
        case CX2072X_DIGITAL_TEST1:
        case CX2072X_DIGITAL_TEST11:
        case CX2072X_DIGITAL_TEST12:
        case CX2072X_DIGITAL_TEST15:
        case CX2072X_DIGITAL_TEST16:
        case CX2072X_DIGITAL_TEST17:
        case CX2072X_DIGITAL_TEST18:
        case CX2072X_DIGITAL_TEST19:
        case CX2072X_DIGITAL_TEST20:
                return 2;
        default:
                return 1;
        }
}

static bool cx2072x_readable_register(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case CX2072X_VENDOR_ID:
        case CX2072X_REVISION_ID:
        case CX2072X_CURRENT_BCLK_FREQUENCY:
        case CX2072X_AFG_POWER_STATE:
        case CX2072X_UM_RESPONSE:
        case CX2072X_GPIO_DATA:
        case CX2072X_GPIO_ENABLE:
        case CX2072X_GPIO_DIRECTION:
        case CX2072X_GPIO_WAKE:
        case CX2072X_GPIO_UM_ENABLE:
        case CX2072X_GPIO_STICKY_MASK:
        case CX2072X_DAC1_CONVERTER_FORMAT:
        case CX2072X_DAC1_AMP_GAIN_RIGHT:
        case CX2072X_DAC1_AMP_GAIN_LEFT:
        case CX2072X_DAC1_POWER_STATE:
        case CX2072X_DAC1_CONVERTER_STREAM_CHANNEL:
        case CX2072X_DAC1_EAPD_ENABLE:
        case CX2072X_DAC2_CONVERTER_FORMAT:
        case CX2072X_DAC2_AMP_GAIN_RIGHT:
        case CX2072X_DAC2_AMP_GAIN_LEFT:
        case CX2072X_DAC2_POWER_STATE:
        case CX2072X_DAC2_CONVERTER_STREAM_CHANNEL:
        case CX2072X_ADC1_CONVERTER_FORMAT:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_0:
        case CX2072X_ADC1_AMP_GAIN_LEFT_0:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_1:
        case CX2072X_ADC1_AMP_GAIN_LEFT_1:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_2:
        case CX2072X_ADC1_AMP_GAIN_LEFT_2:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_3:
        case CX2072X_ADC1_AMP_GAIN_LEFT_3:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_4:
        case CX2072X_ADC1_AMP_GAIN_LEFT_4:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_5:
        case CX2072X_ADC1_AMP_GAIN_LEFT_5:
        case CX2072X_ADC1_AMP_GAIN_RIGHT_6:
        case CX2072X_ADC1_AMP_GAIN_LEFT_6:
        case CX2072X_ADC1_CONNECTION_SELECT_CONTROL:
        case CX2072X_ADC1_POWER_STATE:
        case CX2072X_ADC1_CONVERTER_STREAM_CHANNEL:
        case CX2072X_ADC2_CONVERTER_FORMAT:
        case CX2072X_ADC2_AMP_GAIN_RIGHT_0:
        case CX2072X_ADC2_AMP_GAIN_LEFT_0:
        case CX2072X_ADC2_AMP_GAIN_RIGHT_1:
        case CX2072X_ADC2_AMP_GAIN_LEFT_1:
        case CX2072X_ADC2_AMP_GAIN_RIGHT_2:
        case CX2072X_ADC2_AMP_GAIN_LEFT_2:
        case CX2072X_ADC2_CONNECTION_SELECT_CONTROL:
        case CX2072X_ADC2_POWER_STATE:
        case CX2072X_ADC2_CONVERTER_STREAM_CHANNEL:
        case CX2072X_PORTA_CONNECTION_SELECT_CTRL:
        case CX2072X_PORTA_POWER_STATE:
        case CX2072X_PORTA_PIN_CTRL:
        case CX2072X_PORTA_UNSOLICITED_RESPONSE:
        case CX2072X_PORTA_PIN_SENSE:
        case CX2072X_PORTA_EAPD_BTL:
        case CX2072X_PORTB_POWER_STATE:
        case CX2072X_PORTB_PIN_CTRL:
        case CX2072X_PORTB_UNSOLICITED_RESPONSE:
        case CX2072X_PORTB_PIN_SENSE:
        case CX2072X_PORTB_EAPD_BTL:
        case CX2072X_PORTB_GAIN_RIGHT:
        case CX2072X_PORTB_GAIN_LEFT:
        case CX2072X_PORTC_POWER_STATE:
        case CX2072X_PORTC_PIN_CTRL:
        case CX2072X_PORTC_GAIN_RIGHT:
        case CX2072X_PORTC_GAIN_LEFT:
        case CX2072X_PORTD_POWER_STATE:
        case CX2072X_PORTD_PIN_CTRL:
        case CX2072X_PORTD_UNSOLICITED_RESPONSE:
        case CX2072X_PORTD_PIN_SENSE:
        case CX2072X_PORTD_GAIN_RIGHT:
        case CX2072X_PORTD_GAIN_LEFT:
        case CX2072X_PORTE_CONNECTION_SELECT_CTRL:
        case CX2072X_PORTE_POWER_STATE:
        case CX2072X_PORTE_PIN_CTRL:
        case CX2072X_PORTE_UNSOLICITED_RESPONSE:
        case CX2072X_PORTE_PIN_SENSE:
        case CX2072X_PORTE_EAPD_BTL:
        case CX2072X_PORTE_GAIN_RIGHT:
        case CX2072X_PORTE_GAIN_LEFT:
        case CX2072X_PORTF_POWER_STATE:
        case CX2072X_PORTF_PIN_CTRL:
        case CX2072X_PORTF_UNSOLICITED_RESPONSE:
        case CX2072X_PORTF_PIN_SENSE:
        case CX2072X_PORTF_GAIN_RIGHT:
        case CX2072X_PORTF_GAIN_LEFT:
        case CX2072X_PORTG_POWER_STATE:
        case CX2072X_PORTG_PIN_CTRL:
        case CX2072X_PORTG_CONNECTION_SELECT_CTRL:
        case CX2072X_PORTG_EAPD_BTL:
        case CX2072X_PORTM_POWER_STATE:
        case CX2072X_PORTM_PIN_CTRL:
        case CX2072X_PORTM_CONNECTION_SELECT_CTRL:
        case CX2072X_PORTM_EAPD_BTL:
        case CX2072X_MIXER_POWER_STATE:
        case CX2072X_MIXER_GAIN_RIGHT_0:
        case CX2072X_MIXER_GAIN_LEFT_0:
        case CX2072X_MIXER_GAIN_RIGHT_1:
        case CX2072X_MIXER_GAIN_LEFT_1:
        case CX2072X_EQ_ENABLE_BYPASS:
        case CX2072X_EQ_B0_COEFF:
        case CX2072X_EQ_B1_COEFF:
        case CX2072X_EQ_B2_COEFF:
        case CX2072X_EQ_A1_COEFF:
        case CX2072X_EQ_A2_COEFF:
        case CX2072X_EQ_G_COEFF:
        case CX2072X_SPKR_DRC_ENABLE_STEP:
        case CX2072X_SPKR_DRC_CONTROL:
        case CX2072X_SPKR_DRC_TEST:
        case CX2072X_DIGITAL_BIOS_TEST0:
        case CX2072X_DIGITAL_BIOS_TEST2:
        case CX2072X_I2SPCM_CONTROL1:
        case CX2072X_I2SPCM_CONTROL2:
        case CX2072X_I2SPCM_CONTROL3:
        case CX2072X_I2SPCM_CONTROL4:
        case CX2072X_I2SPCM_CONTROL5:
        case CX2072X_I2SPCM_CONTROL6:
        case CX2072X_UM_INTERRUPT_CRTL_E:
        case CX2072X_CODEC_TEST2:
        case CX2072X_CODEC_TEST9:
        case CX2072X_CODEC_TEST20:
        case CX2072X_CODEC_TEST26:
        case CX2072X_ANALOG_TEST4:
        case CX2072X_ANALOG_TEST5:
        case CX2072X_ANALOG_TEST6:
        case CX2072X_ANALOG_TEST7:
        case CX2072X_ANALOG_TEST8:
        case CX2072X_ANALOG_TEST9:
        case CX2072X_ANALOG_TEST10:
        case CX2072X_ANALOG_TEST11:
        case CX2072X_ANALOG_TEST12:
        case CX2072X_ANALOG_TEST13:
        case CX2072X_DIGITAL_TEST0:
        case CX2072X_DIGITAL_TEST1:
        case CX2072X_DIGITAL_TEST11:
        case CX2072X_DIGITAL_TEST12:
        case CX2072X_DIGITAL_TEST15:
        case CX2072X_DIGITAL_TEST16:
        case CX2072X_DIGITAL_TEST17:
        case CX2072X_DIGITAL_TEST18:
        case CX2072X_DIGITAL_TEST19:
        case CX2072X_DIGITAL_TEST20:
                return true;
        default:
                return false;
        }
}

static bool cx2072x_volatile_register(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case CX2072X_VENDOR_ID:
        case CX2072X_REVISION_ID:
        case CX2072X_UM_INTERRUPT_CRTL_E:
        case CX2072X_DIGITAL_TEST11:
        case CX2072X_PORTA_PIN_SENSE:
        case CX2072X_PORTB_PIN_SENSE:
        case CX2072X_PORTD_PIN_SENSE:
        case CX2072X_PORTE_PIN_SENSE:
        case CX2072X_PORTF_PIN_SENSE:
        case CX2072X_EQ_G_COEFF:
        case CX2072X_EQ_BAND:
                return true;
        default:
                return false;
        }
}

static int cx2072x_reg_raw_write(struct i2c_client *client,
                                 unsigned int reg,
                                 const void *val, size_t val_count)
{
        struct device *dev = &client->dev;
        u8 buf[2 + CX2072X_MAX_EQ_COEFF];
        int ret;

        if (WARN_ON(val_count + 2 > sizeof(buf)))
                return -EINVAL;

        buf[0] = reg >> 8;
        buf[1] = reg & 0xff;

        memcpy(buf + 2, val, val_count);

        ret = i2c_master_send(client, buf, val_count + 2);
        if (ret != val_count + 2) {
                dev_err(dev, "I2C write failed, ret = %d\n", ret);
                return ret < 0 ? ret : -EIO;
        }
        return 0;
}

static int cx2072x_reg_write(void *context, unsigned int reg,
                             unsigned int value)
{
        __le32 raw_value;
        unsigned int size;

        size = cx2072x_register_size(reg);

        if (reg == CX2072X_UM_INTERRUPT_CRTL_E) {
                /* Update the MSB byte only */
                reg += 3;
                size = 1;
                value >>= 24;
        }

        raw_value = cpu_to_le32(value);
        return cx2072x_reg_raw_write(context, reg, &raw_value, size);
}

static int cx2072x_reg_read(void *context, unsigned int reg,
                            unsigned int *value)
{
        struct i2c_client *client = context;
        struct device *dev = &client->dev;
        __le32 recv_buf = 0;
        struct i2c_msg msgs[2];
        unsigned int size;
        u8 send_buf[2];
        int ret;

        size = cx2072x_register_size(reg);

        send_buf[0] = reg >> 8;
        send_buf[1] = reg & 0xff;

        msgs[0].addr = client->addr;
        msgs[0].len = sizeof(send_buf);
        msgs[0].buf = send_buf;
        msgs[0].flags = 0;

        msgs[1].addr = client->addr;
        msgs[1].len = size;
        msgs[1].buf = (u8 *)&recv_buf;
        msgs[1].flags = I2C_M_RD;

        ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
        if (ret != ARRAY_SIZE(msgs)) {
                dev_err(dev, "Failed to read register, ret = %d\n", ret);
                return ret < 0 ? ret : -EIO;
        }

        *value = le32_to_cpu(recv_buf);
        return 0;
}

/* get suggested pre_div valuce from mclk frequency */
static unsigned int get_div_from_mclk(unsigned int mclk)
{
        unsigned int div = 8;
        int i;

        for (i = 0; i < ARRAY_SIZE(mclk_pre_div); i++) {
                if (mclk <= mclk_pre_div[i].mclk) {
                        div = mclk_pre_div[i].div;
                        break;
                }
        }
        return div;
}

static int cx2072x_config_pll(struct cx2072x_priv *cx2072x)
{
        struct device *dev = cx2072x->dev;
        unsigned int pre_div;
        unsigned int pre_div_val;
        unsigned int pll_input;
        unsigned int pll_output;
        unsigned int int_div;
        unsigned int frac_div;
        u64 frac_num;
        unsigned int frac;
        unsigned int sample_rate = cx2072x->sample_rate;
        int pt_sample_per_sync = 2;
        int pt_clock_per_sample = 96;

        switch (sample_rate) {
        case 48000:
        case 32000:
        case 24000:
        case 16000:
                break;

        case 96000:
                pt_sample_per_sync = 1;
                pt_clock_per_sample = 48;
                break;

        case 192000:
                pt_sample_per_sync = 0;
                pt_clock_per_sample = 24;
                break;

        default:
                dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
                return -EINVAL;
        }

        /* Configure PLL settings */
        pre_div = get_div_from_mclk(cx2072x->mclk_rate);
        pll_input = cx2072x->mclk_rate / pre_div;
        pll_output = sample_rate * 3072;
        int_div = pll_output / pll_input;
        frac_div = pll_output - (int_div * pll_input);

        if (frac_div) {
                frac_div *= 1000;
                frac_div /= pll_input;
                frac_num = (u64)(4000 + frac_div) * ((1 << 20) - 4);
                do_div(frac_num, 7);
                frac = ((u32)frac_num + 499) / 1000;
        }
        pre_div_val = (pre_div - 1) * 2;

        regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST4,
                     0x40 | (pre_div_val << 8));
        if (frac_div == 0) {
                /* Int mode */
                regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7, 0x100);
        } else {
                /* frac mode */
                regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST6,
                             frac & 0xfff);
                regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST7,
                             (u8)(frac >> 12));
        }

        int_div--;
        regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST8, int_div);

        /* configure PLL tracking */
        if (frac_div == 0) {
                /* disable PLL tracking */
                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16, 0x00);
        } else {
                /* configure and enable PLL tracking */
                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
                             (pt_sample_per_sync << 4) & 0xf0);
                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST17,
                             pt_clock_per_sample);
                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST18,
                             pt_clock_per_sample * 3 / 2);
                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST19, 0x01);
                regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST20, 0x02);
                regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_TEST16,
                                   0x01, 0x01);
        }

        return 0;
}

static int cx2072x_config_i2spcm(struct cx2072x_priv *cx2072x)
{
        struct device *dev = cx2072x->dev;
        unsigned int bclk_rate = 0;
        int is_i2s = 0;
        int has_one_bit_delay = 0;
        int is_frame_inv = 0;
        int is_bclk_inv = 0;
        int pulse_len;
        int frame_len = cx2072x->frame_size;
        int sample_size = cx2072x->sample_size;
        int i2s_right_slot;
        int i2s_right_pause_interval = 0;
        int i2s_right_pause_pos;
        int is_big_endian = 1;
        u64 div;
        unsigned int mod;
        union cx2072x_reg_i2spcm_ctrl_reg1 reg1;
        union cx2072x_reg_i2spcm_ctrl_reg2 reg2;
        union cx2072x_reg_i2spcm_ctrl_reg3 reg3;
        union cx2072x_reg_i2spcm_ctrl_reg4 reg4;
        union cx2072x_reg_i2spcm_ctrl_reg5 reg5;
        union cx2072x_reg_i2spcm_ctrl_reg6 reg6;
        union cx2072x_reg_digital_bios_test2 regdbt2;
        const unsigned int fmt = cx2072x->dai_fmt;

        if (frame_len <= 0) {
                dev_err(dev, "Incorrect frame len %d\n", frame_len);
                return -EINVAL;
        }

        if (sample_size <= 0) {
                dev_err(dev, "Incorrect sample size %d\n", sample_size);
                return -EINVAL;
        }

        dev_dbg(dev, "config_i2spcm set_dai_fmt- %08x\n", fmt);

        regdbt2.ulval = 0xac;

        switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
                reg2.r.tx_master = 1;
                reg3.r.rx_master = 1;
                break;

        case SND_SOC_DAIFMT_CBC_CFC:
                reg2.r.tx_master = 0;
                reg3.r.rx_master = 0;
                break;

        default:
                dev_err(dev, "Unsupported DAI clocking mode\n");
                return -EINVAL;
        }

        /* set format */
        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
                is_i2s = 1;
                has_one_bit_delay = 1;
                pulse_len = frame_len / 2;
                break;

        case SND_SOC_DAIFMT_RIGHT_J:
                is_i2s = 1;
                pulse_len = frame_len / 2;
                break;

        case SND_SOC_DAIFMT_LEFT_J:
                is_i2s = 1;
                pulse_len = frame_len / 2;
                break;

        default:
                dev_err(dev, "Unsupported DAI format\n");
                return -EINVAL;
        }

        /* clock inversion */
        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
        case SND_SOC_DAIFMT_NB_NF:
                is_frame_inv = is_i2s;
                is_bclk_inv = is_i2s;
                break;

        case SND_SOC_DAIFMT_IB_IF:
                is_frame_inv = !is_i2s;
                is_bclk_inv = !is_i2s;
                break;

        case SND_SOC_DAIFMT_IB_NF:
                is_frame_inv = is_i2s;
                is_bclk_inv = !is_i2s;
                break;

        case SND_SOC_DAIFMT_NB_IF:
                is_frame_inv = !is_i2s;
                is_bclk_inv = is_i2s;
                break;

        default:
                dev_err(dev, "Unsupported DAI clock inversion\n");
                return -EINVAL;
        }

        reg1.r.rx_data_one_line = 1;
        reg1.r.tx_data_one_line = 1;

        if (is_i2s) {
                i2s_right_slot = (frame_len / 2) / BITS_PER_SLOT;
                i2s_right_pause_interval = (frame_len / 2) % BITS_PER_SLOT;
                i2s_right_pause_pos = i2s_right_slot * BITS_PER_SLOT;
        }

        reg1.r.rx_ws_pol = is_frame_inv;
        reg1.r.rx_ws_wid = pulse_len - 1;

        reg1.r.rx_frm_len = frame_len / BITS_PER_SLOT - 1;
        reg1.r.rx_sa_size = (sample_size / BITS_PER_SLOT) - 1;

        reg1.r.tx_ws_pol = reg1.r.rx_ws_pol;
        reg1.r.tx_ws_wid = pulse_len - 1;
        reg1.r.tx_frm_len = reg1.r.rx_frm_len;
        reg1.r.tx_sa_size = reg1.r.rx_sa_size;

        reg2.r.tx_endian_sel = !is_big_endian;
        reg2.r.tx_dstart_dly = has_one_bit_delay;
        if (cx2072x->en_aec_ref)
                reg2.r.tx_dstart_dly = 0;

        reg3.r.rx_endian_sel = !is_big_endian;
        reg3.r.rx_dstart_dly = has_one_bit_delay;

        reg4.ulval = 0;

        if (is_i2s) {
                reg2.r.tx_slot_1 = 0;
                reg2.r.tx_slot_2 = i2s_right_slot;
                reg3.r.rx_slot_1 = 0;
                if (cx2072x->en_aec_ref)
                        reg3.r.rx_slot_2 = 0;
                else
                        reg3.r.rx_slot_2 = i2s_right_slot;
                reg6.r.rx_pause_start_pos = i2s_right_pause_pos;
                reg6.r.rx_pause_cycles = i2s_right_pause_interval;
                reg6.r.tx_pause_start_pos = i2s_right_pause_pos;
                reg6.r.tx_pause_cycles = i2s_right_pause_interval;
        } else {
                dev_err(dev, "TDM mode is not implemented yet\n");
                return -EINVAL;
        }
        regdbt2.r.i2s_bclk_invert = is_bclk_inv;

        /* Configures the BCLK output */
        bclk_rate = cx2072x->sample_rate * frame_len;
        reg5.r.i2s_pcm_clk_div_chan_en = 0;

        /* Disables bclk output before setting new value */
        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, 0);

        if (reg2.r.tx_master) {
                /* Configures BCLK rate */
                div = PLL_OUT_HZ_48;
                mod = do_div(div, bclk_rate);
                if (mod) {
                        dev_err(dev, "Unsupported BCLK %dHz\n", bclk_rate);
                        return -EINVAL;
                }
                dev_dbg(dev, "enables BCLK %dHz output\n", bclk_rate);
                reg5.r.i2s_pcm_clk_div = (u32)div - 1;
                reg5.r.i2s_pcm_clk_div_chan_en = 1;
        }

        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL1, reg1.ulval);
        regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL2, 0xffffffc0,
                           reg2.ulval);
        regmap_update_bits(cx2072x->regmap, CX2072X_I2SPCM_CONTROL3, 0xffffffc0,
                           reg3.ulval);
        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL4, reg4.ulval);
        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL6, reg6.ulval);
        regmap_write(cx2072x->regmap, CX2072X_I2SPCM_CONTROL5, reg5.ulval);

        regmap_write(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
                     regdbt2.ulval);

        return 0;
}

static int afg_power_ev(struct snd_soc_dapm_widget *w,
                        struct snd_kcontrol *kcontrol, int event)
{
        struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);

        switch (event) {
        case SND_SOC_DAPM_POST_PMU:
                regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
                                   0x00, 0x10);
                break;

        case SND_SOC_DAPM_PRE_PMD:
                regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST0,
                                   0x10, 0x10);
                break;
        }

        return 0;
}

static const struct snd_kcontrol_new cx2072x_snd_controls[] = {
        SOC_DOUBLE_R_TLV("PortD Boost Volume", CX2072X_PORTD_GAIN_LEFT,
                         CX2072X_PORTD_GAIN_RIGHT, 0, 3, 0, boost_tlv),
        SOC_DOUBLE_R_TLV("PortC Boost Volume", CX2072X_PORTC_GAIN_LEFT,
                         CX2072X_PORTC_GAIN_RIGHT, 0, 3, 0, boost_tlv),
        SOC_DOUBLE_R_TLV("PortB Boost Volume", CX2072X_PORTB_GAIN_LEFT,
                         CX2072X_PORTB_GAIN_RIGHT, 0, 3, 0, boost_tlv),
        SOC_DOUBLE_R_TLV("PortD ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_1,
                         CX2072X_ADC1_AMP_GAIN_RIGHT_1, 0, 0x4a, 0, adc_tlv),
        SOC_DOUBLE_R_TLV("PortC ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_2,
                         CX2072X_ADC1_AMP_GAIN_RIGHT_2, 0, 0x4a, 0, adc_tlv),
        SOC_DOUBLE_R_TLV("PortB ADC1 Volume", CX2072X_ADC1_AMP_GAIN_LEFT_0,
                         CX2072X_ADC1_AMP_GAIN_RIGHT_0, 0, 0x4a, 0, adc_tlv),
        SOC_DOUBLE_R_TLV("DAC1 Volume", CX2072X_DAC1_AMP_GAIN_LEFT,
                         CX2072X_DAC1_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
        SOC_DOUBLE_R("DAC1 Switch", CX2072X_DAC1_AMP_GAIN_LEFT,
                     CX2072X_DAC1_AMP_GAIN_RIGHT, 7,  1, 0),
        SOC_DOUBLE_R_TLV("DAC2 Volume", CX2072X_DAC2_AMP_GAIN_LEFT,
                         CX2072X_DAC2_AMP_GAIN_RIGHT, 0, 0x4a, 0, dac_tlv),
        SOC_SINGLE_TLV("HPF Freq", CX2072X_CODEC_TEST9, 0, 0x3f, 0, hpf_tlv),
        SOC_DOUBLE("HPF Switch", CX2072X_CODEC_TEST9, 8, 9, 1, 1),
        SOC_SINGLE("PortA HP Amp Switch", CX2072X_PORTA_PIN_CTRL, 7, 1, 0),
};

static int cx2072x_hw_params(struct snd_pcm_substream *substream,
                             struct snd_pcm_hw_params *params,
                             struct snd_soc_dai *dai)
{
        struct snd_soc_component *codec = dai->component;
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
        struct device *dev = codec->dev;
        const unsigned int sample_rate = params_rate(params);
        int sample_size, frame_size;

        /* Data sizes if not using TDM */
        sample_size = params_width(params);

        if (sample_size < 0)
                return sample_size;

        frame_size = snd_soc_params_to_frame_size(params);
        if (frame_size < 0)
                return frame_size;

        if (cx2072x->mclk_rate == 0) {
                dev_err(dev, "Master clock rate is not configured\n");
                return -EINVAL;
        }

        if (cx2072x->bclk_ratio)
                frame_size = cx2072x->bclk_ratio;

        switch (sample_rate) {
        case 48000:
        case 32000:
        case 24000:
        case 16000:
        case 96000:
        case 192000:
                break;

        default:
                dev_err(dev, "Unsupported sample rate %d\n", sample_rate);
                return -EINVAL;
        }

        dev_dbg(dev, "Sample size %d bits, frame = %d bits, rate = %d Hz\n",
                sample_size, frame_size, sample_rate);

        cx2072x->frame_size = frame_size;
        cx2072x->sample_size = sample_size;
        cx2072x->sample_rate = sample_rate;

        if (dai->id == CX2072X_DAI_DSP) {
                cx2072x->en_aec_ref = true;
                dev_dbg(cx2072x->dev, "enables aec reference\n");
                regmap_write(cx2072x->regmap,
                             CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 3);
        }

        if (cx2072x->pll_changed) {
                cx2072x_config_pll(cx2072x);
                cx2072x->pll_changed = false;
        }

        if (cx2072x->i2spcm_changed) {
                cx2072x_config_i2spcm(cx2072x);
                cx2072x->i2spcm_changed = false;
        }

        return 0;
}

static int cx2072x_set_dai_bclk_ratio(struct snd_soc_dai *dai,
                                      unsigned int ratio)
{
        struct snd_soc_component *codec = dai->component;
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);

        cx2072x->bclk_ratio = ratio;
        return 0;
}

static int cx2072x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
                                  unsigned int freq, int dir)
{
        struct snd_soc_component *codec = dai->component;
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);

        if (clk_set_rate(cx2072x->mclk, freq)) {
                dev_err(codec->dev, "set clk rate failed\n");
                return -EINVAL;
        }

        cx2072x->mclk_rate = freq;
        return 0;
}

static int cx2072x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
        struct snd_soc_component *codec = dai->component;
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
        struct device *dev = codec->dev;

        dev_dbg(dev, "set_dai_fmt- %08x\n", fmt);
        /* set master/slave */
        switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
        case SND_SOC_DAIFMT_CBP_CFP:
        case SND_SOC_DAIFMT_CBC_CFC:
                break;

        default:
                dev_err(dev, "Unsupported DAI master mode\n");
                return -EINVAL;
        }

        /* set format */
        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
        case SND_SOC_DAIFMT_RIGHT_J:
        case SND_SOC_DAIFMT_LEFT_J:
                break;

        default:
                dev_err(dev, "Unsupported DAI format\n");
                return -EINVAL;
        }

        /* clock inversion */
        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
        case SND_SOC_DAIFMT_NB_NF:
        case SND_SOC_DAIFMT_IB_IF:
        case SND_SOC_DAIFMT_IB_NF:
        case SND_SOC_DAIFMT_NB_IF:
                break;

        default:
                dev_err(dev, "Unsupported DAI clock inversion\n");
                return -EINVAL;
        }

        cx2072x->dai_fmt = fmt;
        return 0;
}

static const struct snd_kcontrol_new portaouten_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTA_PIN_CTRL, 6, 1, 0);

static const struct snd_kcontrol_new porteouten_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 6, 1, 0);

static const struct snd_kcontrol_new portgouten_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTG_PIN_CTRL, 6, 1, 0);

static const struct snd_kcontrol_new portmouten_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTM_PIN_CTRL, 6, 1, 0);

static const struct snd_kcontrol_new portbinen_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTB_PIN_CTRL, 5, 1, 0);

static const struct snd_kcontrol_new portcinen_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTC_PIN_CTRL, 5, 1, 0);

static const struct snd_kcontrol_new portdinen_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTD_PIN_CTRL, 5, 1, 0);

static const struct snd_kcontrol_new porteinen_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_PORTE_PIN_CTRL, 5, 1, 0);

static const struct snd_kcontrol_new i2sadc1l_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 0, 1, 0);

static const struct snd_kcontrol_new i2sadc1r_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 1, 1, 0);

static const struct snd_kcontrol_new i2sadc2l_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 2, 1, 0);

static const struct snd_kcontrol_new i2sadc2r_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL2, 3, 1, 0);

static const struct snd_kcontrol_new i2sdac1l_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 0, 1, 0);

static const struct snd_kcontrol_new i2sdac1r_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 1, 1, 0);

static const struct snd_kcontrol_new i2sdac2l_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 2, 1, 0);

static const struct snd_kcontrol_new i2sdac2r_ctl =
        SOC_DAPM_SINGLE("Switch", CX2072X_I2SPCM_CONTROL3, 3, 1, 0);

static const char * const dac_enum_text[] = {
        "DAC1 Switch", "DAC2 Switch",
};

static const struct soc_enum porta_dac_enum =
SOC_ENUM_SINGLE(CX2072X_PORTA_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);

static const struct snd_kcontrol_new porta_mux =
SOC_DAPM_ENUM("PortA Mux", porta_dac_enum);

static const struct soc_enum portg_dac_enum =
SOC_ENUM_SINGLE(CX2072X_PORTG_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);

static const struct snd_kcontrol_new portg_mux =
SOC_DAPM_ENUM("PortG Mux", portg_dac_enum);

static const struct soc_enum porte_dac_enum =
SOC_ENUM_SINGLE(CX2072X_PORTE_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);

static const struct snd_kcontrol_new porte_mux =
SOC_DAPM_ENUM("PortE Mux", porte_dac_enum);

static const struct soc_enum portm_dac_enum =
SOC_ENUM_SINGLE(CX2072X_PORTM_CONNECTION_SELECT_CTRL, 0, 2, dac_enum_text);

static const struct snd_kcontrol_new portm_mux =
SOC_DAPM_ENUM("PortM Mux", portm_dac_enum);

static const char * const adc1in_sel_text[] = {
        "PortB Switch", "PortD Switch", "PortC Switch", "Widget15 Switch",
        "PortE Switch", "PortF Switch", "PortH Switch"
};

static const struct soc_enum adc1in_sel_enum =
SOC_ENUM_SINGLE(CX2072X_ADC1_CONNECTION_SELECT_CONTROL, 0, 7, adc1in_sel_text);

static const struct snd_kcontrol_new adc1_mux =
SOC_DAPM_ENUM("ADC1 Mux", adc1in_sel_enum);

static const char * const adc2in_sel_text[] = {
        "PortC Switch", "Widget15 Switch", "PortH Switch"
};

static const struct soc_enum adc2in_sel_enum =
SOC_ENUM_SINGLE(CX2072X_ADC2_CONNECTION_SELECT_CONTROL, 0, 3, adc2in_sel_text);

static const struct snd_kcontrol_new adc2_mux =
SOC_DAPM_ENUM("ADC2 Mux", adc2in_sel_enum);

static const struct snd_kcontrol_new wid15_mix[] = {
        SOC_DAPM_SINGLE("DAC1L Switch", CX2072X_MIXER_GAIN_LEFT_0, 7, 1, 1),
        SOC_DAPM_SINGLE("DAC1R Switch", CX2072X_MIXER_GAIN_RIGHT_0, 7, 1, 1),
        SOC_DAPM_SINGLE("DAC2L Switch", CX2072X_MIXER_GAIN_LEFT_1, 7, 1, 1),
        SOC_DAPM_SINGLE("DAC2R Switch", CX2072X_MIXER_GAIN_RIGHT_1, 7, 1, 1),
};

#define CX2072X_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, wmask,  won_val, \
        woff_val, wevent, wflags) \
        {.id = snd_soc_dapm_supply, .name = wname, .kcontrol_news = NULL, \
        .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
        .on_val = won_val, .off_val = woff_val, \
        .subseq = wsubseq, .event = wevent, .event_flags = wflags}

#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
        wevent, wflags) \
        {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
        .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
        .on_val = won_val, .off_val = woff_val, \
        .event = wevent, .event_flags = wflags}

#define CX2072X_DAPM_SWITCH(wname,  wreg, wshift, wmask,  won_val, woff_val, \
        wevent, wflags) \
        {.id = snd_soc_dapm_switch, .name = wname, .kcontrol_news = NULL, \
        .num_kcontrols = 0, .reg = wreg, .shift = wshift, .mask = wmask, \
        .on_val = won_val, .off_val = woff_val, \
        .event = wevent, .event_flags = wflags}

#define CX2072X_DAPM_REG_E(wid, wname, wreg, wshift, wmask, won_val, woff_val, \
                                wevent, wflags) \
        {.id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
        .reg = wreg, .shift = wshift, .mask = wmask, \
        .on_val = won_val, .off_val = woff_val, \
        .event = wevent, .event_flags = wflags}

static const struct snd_soc_dapm_widget cx2072x_dapm_widgets[] = {
        /*Playback*/
        SND_SOC_DAPM_AIF_IN("In AIF", "Playback", 0, SND_SOC_NOPM, 0, 0),

        SND_SOC_DAPM_SWITCH("I2S DAC1L", SND_SOC_NOPM, 0, 0, &i2sdac1l_ctl),
        SND_SOC_DAPM_SWITCH("I2S DAC1R", SND_SOC_NOPM, 0, 0, &i2sdac1r_ctl),
        SND_SOC_DAPM_SWITCH("I2S DAC2L", SND_SOC_NOPM, 0, 0, &i2sdac2l_ctl),
        SND_SOC_DAPM_SWITCH("I2S DAC2R", SND_SOC_NOPM, 0, 0, &i2sdac2r_ctl),

        SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC1", CX2072X_DAC1_POWER_STATE,
                         0, 0xfff, 0x00, 0x03),

        SND_SOC_DAPM_REG(snd_soc_dapm_dac, "DAC2", CX2072X_DAC2_POWER_STATE,
                         0, 0xfff, 0x00, 0x03),

        SND_SOC_DAPM_MUX("PortA Mux", SND_SOC_NOPM, 0, 0, &porta_mux),
        SND_SOC_DAPM_MUX("PortG Mux", SND_SOC_NOPM, 0, 0, &portg_mux),
        SND_SOC_DAPM_MUX("PortE Mux", SND_SOC_NOPM, 0, 0, &porte_mux),
        SND_SOC_DAPM_MUX("PortM Mux", SND_SOC_NOPM, 0, 0, &portm_mux),

        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortA Power",
                         CX2072X_PORTA_POWER_STATE, 0, 0xfff, 0x00, 0x03),

        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortM Power",
                         CX2072X_PORTM_POWER_STATE, 0, 0xfff, 0x00, 0x03),

        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortG Power",
                         CX2072X_PORTG_POWER_STATE, 0, 0xfff, 0x00, 0x03),

        CX2072X_DAPM_SUPPLY_S("AFG Power", 0, CX2072X_AFG_POWER_STATE,
                              0, 0xfff, 0x00, 0x03, afg_power_ev,
                              SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),

        SND_SOC_DAPM_SWITCH("PortA Out En", SND_SOC_NOPM, 0, 0,
                            &portaouten_ctl),
        SND_SOC_DAPM_SWITCH("PortE Out En", SND_SOC_NOPM, 0, 0,
                            &porteouten_ctl),
        SND_SOC_DAPM_SWITCH("PortG Out En", SND_SOC_NOPM, 0, 0,
                            &portgouten_ctl),
        SND_SOC_DAPM_SWITCH("PortM Out En", SND_SOC_NOPM, 0, 0,
                            &portmouten_ctl),

        SND_SOC_DAPM_OUTPUT("PORTA"),
        SND_SOC_DAPM_OUTPUT("PORTG"),
        SND_SOC_DAPM_OUTPUT("PORTE"),
        SND_SOC_DAPM_OUTPUT("PORTM"),
        SND_SOC_DAPM_OUTPUT("AEC REF"),

        /*Capture*/
        SND_SOC_DAPM_AIF_OUT("Out AIF", "Capture", 0, SND_SOC_NOPM, 0, 0),

        SND_SOC_DAPM_SWITCH("I2S ADC1L", SND_SOC_NOPM, 0, 0, &i2sadc1l_ctl),
        SND_SOC_DAPM_SWITCH("I2S ADC1R", SND_SOC_NOPM, 0, 0, &i2sadc1r_ctl),
        SND_SOC_DAPM_SWITCH("I2S ADC2L", SND_SOC_NOPM, 0, 0, &i2sadc2l_ctl),
        SND_SOC_DAPM_SWITCH("I2S ADC2R", SND_SOC_NOPM, 0, 0, &i2sadc2r_ctl),

        SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC1", CX2072X_ADC1_POWER_STATE,
                         0, 0xff, 0x00, 0x03),
        SND_SOC_DAPM_REG(snd_soc_dapm_adc, "ADC2", CX2072X_ADC2_POWER_STATE,
                         0, 0xff, 0x00, 0x03),

        SND_SOC_DAPM_MUX("ADC1 Mux", SND_SOC_NOPM, 0, 0, &adc1_mux),
        SND_SOC_DAPM_MUX("ADC2 Mux", SND_SOC_NOPM, 0, 0, &adc2_mux),

        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortB Power",
                         CX2072X_PORTB_POWER_STATE, 0, 0xfff, 0x00, 0x03),
        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortC Power",
                         CX2072X_PORTC_POWER_STATE, 0, 0xfff, 0x00, 0x03),
        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortD Power",
                         CX2072X_PORTD_POWER_STATE, 0, 0xfff, 0x00, 0x03),
        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "PortE Power",
                         CX2072X_PORTE_POWER_STATE, 0, 0xfff, 0x00, 0x03),
        SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Widget15 Power",
                         CX2072X_MIXER_POWER_STATE, 0, 0xfff, 0x00, 0x03),

        SND_SOC_DAPM_MIXER("Widget15 Mixer", SND_SOC_NOPM, 0, 0,
                           wid15_mix, ARRAY_SIZE(wid15_mix)),
        SND_SOC_DAPM_SWITCH("PortB In En", SND_SOC_NOPM, 0, 0, &portbinen_ctl),
        SND_SOC_DAPM_SWITCH("PortC In En", SND_SOC_NOPM, 0, 0, &portcinen_ctl),
        SND_SOC_DAPM_SWITCH("PortD In En", SND_SOC_NOPM, 0, 0, &portdinen_ctl),
        SND_SOC_DAPM_SWITCH("PortE In En", SND_SOC_NOPM, 0, 0, &porteinen_ctl),

        SND_SOC_DAPM_MICBIAS("Headset Bias", CX2072X_ANALOG_TEST11, 1, 0),
        SND_SOC_DAPM_MICBIAS("PortB Mic Bias", CX2072X_PORTB_PIN_CTRL, 2, 0),
        SND_SOC_DAPM_MICBIAS("PortD Mic Bias", CX2072X_PORTD_PIN_CTRL, 2, 0),
        SND_SOC_DAPM_MICBIAS("PortE Mic Bias", CX2072X_PORTE_PIN_CTRL, 2, 0),
        SND_SOC_DAPM_INPUT("PORTB"),
        SND_SOC_DAPM_INPUT("PORTC"),
        SND_SOC_DAPM_INPUT("PORTD"),
        SND_SOC_DAPM_INPUT("PORTEIN"),

};

static const struct snd_soc_dapm_route cx2072x_intercon[] = {
        /* Playback */
        {"In AIF", NULL, "AFG Power"},
        {"I2S DAC1L", "Switch", "In AIF"},
        {"I2S DAC1R", "Switch", "In AIF"},
        {"I2S DAC2L", "Switch", "In AIF"},
        {"I2S DAC2R", "Switch", "In AIF"},
        {"DAC1", NULL, "I2S DAC1L"},
        {"DAC1", NULL, "I2S DAC1R"},
        {"DAC2", NULL, "I2S DAC2L"},
        {"DAC2", NULL, "I2S DAC2R"},
        {"PortA Mux", "DAC1 Switch", "DAC1"},
        {"PortA Mux", "DAC2 Switch", "DAC2"},
        {"PortG Mux", "DAC1 Switch", "DAC1"},
        {"PortG Mux", "DAC2 Switch", "DAC2"},
        {"PortE Mux", "DAC1 Switch", "DAC1"},
        {"PortE Mux", "DAC2 Switch", "DAC2"},
        {"PortM Mux", "DAC1 Switch", "DAC1"},
        {"PortM Mux", "DAC2 Switch", "DAC2"},
        {"Widget15 Mixer", "DAC1L Switch", "DAC1"},
        {"Widget15 Mixer", "DAC1R Switch", "DAC2"},
        {"Widget15 Mixer", "DAC2L Switch", "DAC1"},
        {"Widget15 Mixer", "DAC2R Switch", "DAC2"},
        {"Widget15 Mixer", NULL, "Widget15 Power"},
        {"PortA Out En", "Switch", "PortA Mux"},
        {"PortG Out En", "Switch", "PortG Mux"},
        {"PortE Out En", "Switch", "PortE Mux"},
        {"PortM Out En", "Switch", "PortM Mux"},
        {"PortA Mux", NULL, "PortA Power"},
        {"PortG Mux", NULL, "PortG Power"},
        {"PortE Mux", NULL, "PortE Power"},
        {"PortM Mux", NULL, "PortM Power"},
        {"PortA Out En", NULL, "PortA Power"},
        {"PortG Out En", NULL, "PortG Power"},
        {"PortE Out En", NULL, "PortE Power"},
        {"PortM Out En", NULL, "PortM Power"},
        {"PORTA", NULL, "PortA Out En"},
        {"PORTG", NULL, "PortG Out En"},
        {"PORTE", NULL, "PortE Out En"},
        {"PORTM", NULL, "PortM Out En"},

        /* Capture */
        {"PORTD", NULL, "Headset Bias"},
        {"PortB In En", "Switch", "PORTB"},
        {"PortC In En", "Switch", "PORTC"},
        {"PortD In En", "Switch", "PORTD"},
        {"PortE In En", "Switch", "PORTEIN"},
        {"ADC1 Mux", "PortB Switch", "PortB In En"},
        {"ADC1 Mux", "PortC Switch", "PortC In En"},
        {"ADC1 Mux", "PortD Switch", "PortD In En"},
        {"ADC1 Mux", "PortE Switch", "PortE In En"},
        {"ADC1 Mux", "Widget15 Switch", "Widget15 Mixer"},
        {"ADC2 Mux", "PortC Switch", "PortC In En"},
        {"ADC2 Mux", "Widget15 Switch", "Widget15 Mixer"},
        {"ADC1", NULL, "ADC1 Mux"},
        {"ADC2", NULL, "ADC2 Mux"},
        {"I2S ADC1L", "Switch", "ADC1"},
        {"I2S ADC1R", "Switch", "ADC1"},
        {"I2S ADC2L", "Switch", "ADC2"},
        {"I2S ADC2R", "Switch", "ADC2"},
        {"Out AIF", NULL, "I2S ADC1L"},
        {"Out AIF", NULL, "I2S ADC1R"},
        {"Out AIF", NULL, "I2S ADC2L"},
        {"Out AIF", NULL, "I2S ADC2R"},
        {"Out AIF", NULL, "AFG Power"},
        {"AEC REF", NULL, "Out AIF"},
        {"PortB In En", NULL, "PortB Power"},
        {"PortC In En", NULL, "PortC Power"},
        {"PortD In En", NULL, "PortD Power"},
        {"PortE In En", NULL, "PortE Power"},
};

static int cx2072x_set_bias_level(struct snd_soc_component *codec,
                                  enum snd_soc_bias_level level)
{
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(codec);
        const enum snd_soc_bias_level old_level = snd_soc_dapm_get_bias_level(dapm);

        if (level == SND_SOC_BIAS_STANDBY && old_level == SND_SOC_BIAS_OFF)
                regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);
        else if (level == SND_SOC_BIAS_OFF && old_level != SND_SOC_BIAS_OFF)
                regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);

        return 0;
}

/*
 * FIXME: the whole jack detection code below is pretty platform-specific;
 * it has lots of implicit assumptions about the pins, etc.
 * However, since we have no other code and reference, take this hard-coded
 * setup for now.  Once when we have different platform implementations,
 * this needs to be rewritten in a more generic form, or moving into the
 * platform data.
 */
static void cx2072x_enable_jack_detect(struct snd_soc_component *codec)
{
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
        struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(codec);

        /* No-sticky input type */
        regmap_write(cx2072x->regmap, CX2072X_GPIO_STICKY_MASK, 0x1f);

        /* Use GPOI0 as interrupt pin */
        regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);

        /* Enables unsolitited message on PortA */
        regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0x80);

        /* support both nokia and apple headset set. Monitor time = 275 ms */
        regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST15, 0x73);

        /* Disable TIP detection */
        regmap_write(cx2072x->regmap, CX2072X_ANALOG_TEST12, 0x300);

        /* Switch MusicD3Live pin to GPIO */
        regmap_write(cx2072x->regmap, CX2072X_DIGITAL_TEST1, 0);

        snd_soc_dapm_mutex_lock(dapm);

        snd_soc_dapm_force_enable_pin_unlocked(dapm, "PORTD");
        snd_soc_dapm_force_enable_pin_unlocked(dapm, "Headset Bias");
        snd_soc_dapm_force_enable_pin_unlocked(dapm, "PortD Mic Bias");

        snd_soc_dapm_mutex_unlock(dapm);
}

static void cx2072x_disable_jack_detect(struct snd_soc_component *codec)
{
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);

        regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0);
        regmap_write(cx2072x->regmap, CX2072X_PORTA_UNSOLICITED_RESPONSE, 0);
}

static int cx2072x_jack_status_check(void *data)
{
        struct snd_soc_component *codec = data;
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
        unsigned int jack;
        unsigned int type = 0;
        int state = 0;

        mutex_lock(&cx2072x->lock);

        regmap_read(cx2072x->regmap, CX2072X_PORTA_PIN_SENSE, &jack);
        jack = jack >> 24;
        regmap_read(cx2072x->regmap, CX2072X_DIGITAL_TEST11, &type);

        if (jack == 0x80) {
                type = type >> 8;

                if (type & 0x8) {
                        /* Apple headset */
                        state |= SND_JACK_HEADSET;
                        if (type & 0x2)
                                state |= SND_JACK_BTN_0;
                } else {
                        /*
                         * Nokia headset (type & 0x4) and
                         * regular Headphone
                         */
                        state |= SND_JACK_HEADPHONE;
                }
        }

        /* clear interrupt */
        regmap_write(cx2072x->regmap, CX2072X_UM_INTERRUPT_CRTL_E, 0x12 << 24);

        mutex_unlock(&cx2072x->lock);

        dev_dbg(codec->dev, "CX2072X_HSDETECT type=0x%X,Jack state = %x\n",
                type, state);
        return state;
}

static const struct snd_soc_jack_gpio cx2072x_jack_gpio = {
        .name = "headset",
        .report = SND_JACK_HEADSET | SND_JACK_BTN_0,
        .debounce_time = 150,
        .wake = true,
        .jack_status_check = cx2072x_jack_status_check,
};

static int cx2072x_set_jack(struct snd_soc_component *codec,
                            struct snd_soc_jack *jack, void *data)
{
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);
        int err;

        if (!jack) {
                cx2072x_disable_jack_detect(codec);
                return 0;
        }

        if (!cx2072x->jack_gpio.gpiod_dev) {
                cx2072x->jack_gpio = cx2072x_jack_gpio;
                cx2072x->jack_gpio.gpiod_dev = codec->dev;
                cx2072x->jack_gpio.data = codec;
                err = snd_soc_jack_add_gpios(jack, 1, &cx2072x->jack_gpio);
                if (err) {
                        cx2072x->jack_gpio.gpiod_dev = NULL;
                        return err;
                }
        }

        cx2072x_enable_jack_detect(codec);
        return 0;
}

static int cx2072x_probe(struct snd_soc_component *codec)
{
        struct cx2072x_priv *cx2072x = snd_soc_component_get_drvdata(codec);

        cx2072x->codec = codec;

        /*
         * FIXME: below is, again, a very platform-specific init sequence,
         * but we keep the code here just for simplicity.  It seems that all
         * existing hardware implementations require this, so there is no very
         * much reason to move this out of the codec driver to the platform
         * data.
         * But of course it's no "right" thing; if you are a good boy, don't
         * read and follow the code like this!
         */
        pm_runtime_get_sync(codec->dev);
        regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 0);

        regmap_multi_reg_write(cx2072x->regmap, cx2072x_reg_init,
                               ARRAY_SIZE(cx2072x_reg_init));

        /* configure PortC as input device */
        regmap_update_bits(cx2072x->regmap, CX2072X_PORTC_PIN_CTRL,
                           0x20, 0x20);

        regmap_update_bits(cx2072x->regmap, CX2072X_DIGITAL_BIOS_TEST2,
                           0x84, 0xff);

        regmap_write(cx2072x->regmap, CX2072X_AFG_POWER_STATE, 3);
        pm_runtime_put(codec->dev);

        return 0;
}

static const struct snd_soc_component_driver soc_codec_driver_cx2072x = {
        .probe = cx2072x_probe,
        .set_bias_level = cx2072x_set_bias_level,
        .set_jack = cx2072x_set_jack,
        .controls = cx2072x_snd_controls,
        .num_controls = ARRAY_SIZE(cx2072x_snd_controls),
        .dapm_widgets = cx2072x_dapm_widgets,
        .num_dapm_widgets = ARRAY_SIZE(cx2072x_dapm_widgets),
        .dapm_routes = cx2072x_intercon,
        .num_dapm_routes = ARRAY_SIZE(cx2072x_intercon),
        .endianness = 1,
};

/*
 * DAI ops
 */
static const struct snd_soc_dai_ops cx2072x_dai_ops = {
        .set_sysclk = cx2072x_set_dai_sysclk,
        .set_fmt = cx2072x_set_dai_fmt,
        .hw_params = cx2072x_hw_params,
        .set_bclk_ratio = cx2072x_set_dai_bclk_ratio,
};

static int cx2072x_dsp_dai_probe(struct snd_soc_dai *dai)
{
        struct cx2072x_priv *cx2072x =
                snd_soc_component_get_drvdata(dai->component);

        cx2072x->en_aec_ref = true;
        return 0;
}

static const struct snd_soc_dai_ops cx2072x_dai_ops2 = {
        .probe          = cx2072x_dsp_dai_probe,
        .set_sysclk     = cx2072x_set_dai_sysclk,
        .set_fmt        = cx2072x_set_dai_fmt,
        .hw_params      = cx2072x_hw_params,
        .set_bclk_ratio = cx2072x_set_dai_bclk_ratio,
};

#define CX2072X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)

static struct snd_soc_dai_driver soc_codec_cx2072x_dai[] = {
        { /* playback and capture */
                .name = "cx2072x-hifi",
                .id     = CX2072X_DAI_HIFI,
                .playback = {
                        .stream_name = "Playback",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = CX2072X_RATES_DSP,
                        .formats = CX2072X_FORMATS,
                },
                .capture = {
                        .stream_name = "Capture",
                        .channels_min = 1,
                        .channels_max = 2,
                        .rates = CX2072X_RATES_DSP,
                        .formats = CX2072X_FORMATS,
                },
                .ops = &cx2072x_dai_ops,
                .symmetric_rate = 1,
        },
        { /* plabayck only, return echo reference to Conexant DSP chip */
                .name = "cx2072x-dsp",
                .id     = CX2072X_DAI_DSP,
                .playback = {
                        .stream_name = "DSP Playback",
                        .channels_min = 2,
                        .channels_max = 2,
                        .rates = CX2072X_RATES_DSP,
                        .formats = CX2072X_FORMATS,
                },
                .ops = &cx2072x_dai_ops2,
        },
        { /* plabayck only, return echo reference through I2S TX */
                .name = "cx2072x-aec",
                .id     = 3,
                .capture = {
                        .stream_name = "AEC Capture",
                        .channels_min = 2,
                        .channels_max = 2,
                        .rates = CX2072X_RATES_DSP,
                        .formats = CX2072X_FORMATS,
                },
        },
};

static const struct regmap_config cx2072x_regmap = {
        .reg_bits = 16,
        .val_bits = 32,
        .max_register = CX2072X_REG_MAX,
        .reg_defaults = cx2072x_reg_defaults,
        .num_reg_defaults = ARRAY_SIZE(cx2072x_reg_defaults),
        .cache_type = REGCACHE_RBTREE,
        .readable_reg = cx2072x_readable_register,
        .volatile_reg = cx2072x_volatile_register,
        /* Needs custom read/write functions for various register lengths */
        .reg_read = cx2072x_reg_read,
        .reg_write = cx2072x_reg_write,
};

static int cx2072x_runtime_suspend(struct device *dev)
{
        struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);

        clk_disable_unprepare(cx2072x->mclk);
        return 0;
}

static int cx2072x_runtime_resume(struct device *dev)
{
        struct cx2072x_priv *cx2072x = dev_get_drvdata(dev);

        return clk_prepare_enable(cx2072x->mclk);
}

static int cx2072x_i2c_probe(struct i2c_client *i2c)
{
        struct cx2072x_priv *cx2072x;
        unsigned int ven_id, rev_id;
        int ret;

        cx2072x = devm_kzalloc(&i2c->dev, sizeof(struct cx2072x_priv),
                               GFP_KERNEL);
        if (!cx2072x)
                return -ENOMEM;

        cx2072x->regmap = devm_regmap_init(&i2c->dev, NULL, i2c,
                                           &cx2072x_regmap);
        if (IS_ERR(cx2072x->regmap))
                return PTR_ERR(cx2072x->regmap);

        mutex_init(&cx2072x->lock);

        i2c_set_clientdata(i2c, cx2072x);

        cx2072x->dev = &i2c->dev;
        cx2072x->pll_changed = true;
        cx2072x->i2spcm_changed = true;
        cx2072x->bclk_ratio = 0;

        cx2072x->mclk = devm_clk_get(cx2072x->dev, "mclk");
        if (IS_ERR(cx2072x->mclk)) {
                dev_err(cx2072x->dev, "Failed to get MCLK\n");
                return PTR_ERR(cx2072x->mclk);
        }

        regmap_read(cx2072x->regmap, CX2072X_VENDOR_ID, &ven_id);
        regmap_read(cx2072x->regmap, CX2072X_REVISION_ID, &rev_id);

        dev_info(cx2072x->dev, "codec version: %08x,%08x\n", ven_id, rev_id);

        ret = devm_snd_soc_register_component(cx2072x->dev,
                                              &soc_codec_driver_cx2072x,
                                              soc_codec_cx2072x_dai,
                                              ARRAY_SIZE(soc_codec_cx2072x_dai));
        if (ret < 0)
                return ret;

        pm_runtime_use_autosuspend(cx2072x->dev);
        pm_runtime_enable(cx2072x->dev);

        return 0;
}

static void cx2072x_i2c_remove(struct i2c_client *i2c)
{
        pm_runtime_disable(&i2c->dev);
}

static const struct i2c_device_id cx2072x_i2c_id[] = {
        { "cx20721" },
        { "cx20723" },
        {}
};
MODULE_DEVICE_TABLE(i2c, cx2072x_i2c_id);

#ifdef CONFIG_ACPI
static struct acpi_device_id cx2072x_acpi_match[] = {
        { "14F10720", 0 },
        {},
};
MODULE_DEVICE_TABLE(acpi, cx2072x_acpi_match);
#endif

static const struct dev_pm_ops cx2072x_runtime_pm = {
        RUNTIME_PM_OPS(cx2072x_runtime_suspend, cx2072x_runtime_resume, NULL)
        SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
};

static struct i2c_driver cx2072x_i2c_driver = {
        .driver = {
                .name = "cx2072x",
                .acpi_match_table = ACPI_PTR(cx2072x_acpi_match),
                .pm = pm_ptr(&cx2072x_runtime_pm),
        },
        .probe = cx2072x_i2c_probe,
        .remove = cx2072x_i2c_remove,
        .id_table = cx2072x_i2c_id,
};

module_i2c_driver(cx2072x_i2c_driver);

MODULE_DESCRIPTION("ASoC cx2072x Codec Driver");
MODULE_AUTHOR("Simon Ho <simon.ho@conexant.com>");
MODULE_LICENSE("GPL");