[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/soc/codecs/tlv320aic32x4.c b/src/kernel/linux/v4.14/sound/soc/codecs/tlv320aic32x4.c
new file mode 100644
index 0000000..628621f
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/soc/codecs/tlv320aic32x4.c
@@ -0,0 +1,1208 @@
+/*
+ * 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.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/cdev.h>
+#include <linux/slab.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include <sound/tlv320aic32x4.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "tlv320aic32x4.h"
+
+struct aic32x4_rate_divs {
+	u32 mclk;
+	u32 rate;
+	u8 p_val;
+	u8 pll_j;
+	u16 pll_d;
+	u16 dosr;
+	u8 ndac;
+	u8 mdac;
+	u8 aosr;
+	u8 nadc;
+	u8 madc;
+	u8 blck_N;
+};
+
+struct aic32x4_priv {
+	struct regmap *regmap;
+	u32 sysclk;
+	u32 power_cfg;
+	u32 micpga_routing;
+	bool swapdacs;
+	int rstn_gpio;
+	struct clk *mclk;
+
+	struct regulator *supply_ldo;
+	struct regulator *supply_iov;
+	struct regulator *supply_dv;
+	struct regulator *supply_av;
+
+	struct aic32x4_setup_data *setup;
+	struct device *dev;
+};
+
+static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 val;
+
+	val = snd_soc_read(codec, 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_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 val;
+	u8 gpio_check;
+
+	val = snd_soc_read(codec, 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_write(codec, AIC32X4_DOUTCTL, val);
+
+	return 0;
+};
+
+static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 val;
+
+	val = snd_soc_read(codec, 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_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 val;
+	u8 gpio_check;
+
+	val = snd_soc_read(codec, 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_write(codec, AIC32X4_MISOCTL, val);
+
+	return 0;
+};
+
+static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 val;
+
+	val = snd_soc_read(codec, 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_codec *codec = snd_kcontrol_chip(kcontrol);
+	u8 val;
+	u8 gpio_check;
+
+	val = snd_soc_read(codec, 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_write(codec, 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);
+
+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_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_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 aic32x4_rate_divs aic32x4_divs[] = {
+	/* 8k rate */
+	{AIC32X4_FREQ_12000000, 8000, 1, 7, 6800, 768, 5, 3, 128, 5, 18, 24},
+	{AIC32X4_FREQ_24000000, 8000, 2, 7, 6800, 768, 15, 1, 64, 45, 4, 24},
+	{AIC32X4_FREQ_25000000, 8000, 2, 7, 3728, 768, 15, 1, 64, 45, 4, 24},
+	/* 11.025k rate */
+	{AIC32X4_FREQ_12000000, 11025, 1, 7, 5264, 512, 8, 2, 128, 8, 8, 16},
+	{AIC32X4_FREQ_24000000, 11025, 2, 7, 5264, 512, 16, 1, 64, 32, 4, 16},
+	/* 16k rate */
+	{AIC32X4_FREQ_12000000, 16000, 1, 7, 6800, 384, 5, 3, 128, 5, 9, 12},
+	{AIC32X4_FREQ_24000000, 16000, 2, 7, 6800, 384, 15, 1, 64, 18, 5, 12},
+	{AIC32X4_FREQ_25000000, 16000, 2, 7, 3728, 384, 15, 1, 64, 18, 5, 12},
+	/* 22.05k rate */
+	{AIC32X4_FREQ_12000000, 22050, 1, 7, 5264, 256, 4, 4, 128, 4, 8, 8},
+	{AIC32X4_FREQ_24000000, 22050, 2, 7, 5264, 256, 16, 1, 64, 16, 4, 8},
+	{AIC32X4_FREQ_25000000, 22050, 2, 7, 2253, 256, 16, 1, 64, 16, 4, 8},
+	/* 32k rate */
+	{AIC32X4_FREQ_12000000, 32000, 1, 7, 1680, 192, 2, 7, 64, 2, 21, 6},
+	{AIC32X4_FREQ_24000000, 32000, 2, 7, 1680, 192, 7, 2, 64, 7, 6, 6},
+	/* 44.1k rate */
+	{AIC32X4_FREQ_12000000, 44100, 1, 7, 5264, 128, 2, 8, 128, 2, 8, 4},
+	{AIC32X4_FREQ_24000000, 44100, 2, 7, 5264, 128, 8, 2, 64, 8, 4, 4},
+	{AIC32X4_FREQ_25000000, 44100, 2, 7, 2253, 128, 8, 2, 64, 8, 4, 4},
+	/* 48k rate */
+	{AIC32X4_FREQ_12000000, 48000, 1, 8, 1920, 128, 2, 8, 128, 2, 8, 4},
+	{AIC32X4_FREQ_24000000, 48000, 2, 8, 1920, 128, 8, 2, 64, 8, 4, 4},
+	{AIC32X4_FREQ_25000000, 48000, 2, 7, 8643, 128, 8, 2, 64, 8, 4, 4},
+
+	/* 96k rate */
+	{AIC32X4_FREQ_25000000, 96000, 2, 7, 8643, 64, 4, 4, 64, 4, 4, 1},
+};
+
+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_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0),
+
+	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_RMICPGAVOL,
+	},
+};
+
+const struct regmap_config aic32x4_regmap_config = {
+	.max_register = AIC32X4_RMICPGAVOL,
+	.ranges = aic32x4_regmap_pages,
+	.num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
+};
+EXPORT_SYMBOL(aic32x4_regmap_config);
+
+static inline int aic32x4_get_divs(int mclk, int rate)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(aic32x4_divs); i++) {
+		if ((aic32x4_divs[i].rate == rate)
+		    && (aic32x4_divs[i].mclk == mclk)) {
+			return i;
+		}
+	}
+	printk(KERN_ERR "aic32x4: master clock and sample rate is not supported\n");
+	return -EINVAL;
+}
+
+static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+				  int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
+
+	switch (freq) {
+	case AIC32X4_FREQ_12000000:
+	case AIC32X4_FREQ_24000000:
+	case AIC32X4_FREQ_25000000:
+		aic32x4->sysclk = freq;
+		return 0;
+	}
+	printk(KERN_ERR "aic32x4: invalid frequency to set DAI system clock\n");
+	return -EINVAL;
+}
+
+static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	u8 iface_reg_1;
+	u8 iface_reg_2;
+	u8 iface_reg_3;
+
+	iface_reg_1 = snd_soc_read(codec, AIC32X4_IFACE1);
+	iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2);
+	iface_reg_2 = snd_soc_read(codec, AIC32X4_IFACE2);
+	iface_reg_2 = 0;
+	iface_reg_3 = snd_soc_read(codec, AIC32X4_IFACE3);
+	iface_reg_3 = iface_reg_3 & ~(1 << 3);
+
+	/* set master/slave audio interface */
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		break;
+	default:
+		printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\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_PLLJ_SHIFT);
+		iface_reg_3 |= (1 << 3); /* invert bit clock */
+		iface_reg_2 = 0x01; /* add offset 1 */
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT);
+		iface_reg_3 |= (1 << 3); /* invert bit clock */
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		iface_reg_1 |=
+			(AIC32X4_RIGHT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT);
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		iface_reg_1 |=
+			(AIC32X4_LEFT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT);
+		break;
+	default:
+		printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
+		return -EINVAL;
+	}
+
+	snd_soc_write(codec, AIC32X4_IFACE1, iface_reg_1);
+	snd_soc_write(codec, AIC32X4_IFACE2, iface_reg_2);
+	snd_soc_write(codec, AIC32X4_IFACE3, iface_reg_3);
+	return 0;
+}
+
+static int aic32x4_hw_params(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params,
+			     struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
+	u8 data;
+	int i;
+
+	i = aic32x4_get_divs(aic32x4->sysclk, params_rate(params));
+	if (i < 0) {
+		printk(KERN_ERR "aic32x4: sampling rate not supported\n");
+		return i;
+	}
+
+	/* Use PLL as CODEC_CLKIN and DAC_MOD_CLK as BDIV_CLKIN */
+	snd_soc_write(codec, AIC32X4_CLKMUX, AIC32X4_PLLCLKIN);
+	snd_soc_write(codec, AIC32X4_IFACE3, AIC32X4_DACMOD2BCLK);
+
+	/* We will fix R value to 1 and will make P & J=K.D as varialble */
+	data = snd_soc_read(codec, AIC32X4_PLLPR);
+	data &= ~(7 << 4);
+	snd_soc_write(codec, AIC32X4_PLLPR,
+		      (data | (aic32x4_divs[i].p_val << 4) | 0x01));
+
+	snd_soc_write(codec, AIC32X4_PLLJ, aic32x4_divs[i].pll_j);
+
+	snd_soc_write(codec, AIC32X4_PLLDMSB, (aic32x4_divs[i].pll_d >> 8));
+	snd_soc_write(codec, AIC32X4_PLLDLSB,
+		      (aic32x4_divs[i].pll_d & 0xff));
+
+	/* NDAC divider value */
+	data = snd_soc_read(codec, AIC32X4_NDAC);
+	data &= ~(0x7f);
+	snd_soc_write(codec, AIC32X4_NDAC, data | aic32x4_divs[i].ndac);
+
+	/* MDAC divider value */
+	data = snd_soc_read(codec, AIC32X4_MDAC);
+	data &= ~(0x7f);
+	snd_soc_write(codec, AIC32X4_MDAC, data | aic32x4_divs[i].mdac);
+
+	/* DOSR MSB & LSB values */
+	snd_soc_write(codec, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8);
+	snd_soc_write(codec, AIC32X4_DOSRLSB,
+		      (aic32x4_divs[i].dosr & 0xff));
+
+	/* NADC divider value */
+	data = snd_soc_read(codec, AIC32X4_NADC);
+	data &= ~(0x7f);
+	snd_soc_write(codec, AIC32X4_NADC, data | aic32x4_divs[i].nadc);
+
+	/* MADC divider value */
+	data = snd_soc_read(codec, AIC32X4_MADC);
+	data &= ~(0x7f);
+	snd_soc_write(codec, AIC32X4_MADC, data | aic32x4_divs[i].madc);
+
+	/* AOSR value */
+	snd_soc_write(codec, AIC32X4_AOSR, aic32x4_divs[i].aosr);
+
+	/* BCLK N divider */
+	data = snd_soc_read(codec, AIC32X4_BCLKN);
+	data &= ~(0x7f);
+	snd_soc_write(codec, AIC32X4_BCLKN, data | aic32x4_divs[i].blck_N);
+
+	data = snd_soc_read(codec, AIC32X4_IFACE1);
+	data = data & ~(3 << 4);
+	switch (params_width(params)) {
+	case 16:
+		break;
+	case 20:
+		data |= (AIC32X4_WORD_LEN_20BITS << AIC32X4_DOSRMSB_SHIFT);
+		break;
+	case 24:
+		data |= (AIC32X4_WORD_LEN_24BITS << AIC32X4_DOSRMSB_SHIFT);
+		break;
+	case 32:
+		data |= (AIC32X4_WORD_LEN_32BITS << AIC32X4_DOSRMSB_SHIFT);
+		break;
+	}
+	snd_soc_write(codec, AIC32X4_IFACE1, data);
+
+	if (params_channels(params) == 1) {
+		data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
+	} else {
+		if (aic32x4->swapdacs)
+			data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
+		else
+			data = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
+	}
+	snd_soc_update_bits(codec, AIC32X4_DACSETUP, AIC32X4_DAC_CHAN_MASK,
+			data);
+
+	return 0;
+}
+
+static int aic32x4_mute(struct snd_soc_dai *dai, int mute)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	u8 dac_reg;
+
+	dac_reg = snd_soc_read(codec, AIC32X4_DACMUTE) & ~AIC32X4_MUTEON;
+	if (mute)
+		snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg | AIC32X4_MUTEON);
+	else
+		snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg);
+	return 0;
+}
+
+static int aic32x4_set_bias_level(struct snd_soc_codec *codec,
+				  enum snd_soc_bias_level level)
+{
+	struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
+	int ret;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		/* Switch on master clock */
+		ret = clk_prepare_enable(aic32x4->mclk);
+		if (ret) {
+			dev_err(codec->dev, "Failed to enable master clock\n");
+			return ret;
+		}
+
+		/* Switch on PLL */
+		snd_soc_update_bits(codec, AIC32X4_PLLPR,
+				    AIC32X4_PLLEN, AIC32X4_PLLEN);
+
+		/* Switch on NDAC Divider */
+		snd_soc_update_bits(codec, AIC32X4_NDAC,
+				    AIC32X4_NDACEN, AIC32X4_NDACEN);
+
+		/* Switch on MDAC Divider */
+		snd_soc_update_bits(codec, AIC32X4_MDAC,
+				    AIC32X4_MDACEN, AIC32X4_MDACEN);
+
+		/* Switch on NADC Divider */
+		snd_soc_update_bits(codec, AIC32X4_NADC,
+				    AIC32X4_NADCEN, AIC32X4_NADCEN);
+
+		/* Switch on MADC Divider */
+		snd_soc_update_bits(codec, AIC32X4_MADC,
+				    AIC32X4_MADCEN, AIC32X4_MADCEN);
+
+		/* Switch on BCLK_N Divider */
+		snd_soc_update_bits(codec, AIC32X4_BCLKN,
+				    AIC32X4_BCLKEN, AIC32X4_BCLKEN);
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		/* Switch off BCLK_N Divider */
+		snd_soc_update_bits(codec, AIC32X4_BCLKN,
+				    AIC32X4_BCLKEN, 0);
+
+		/* Switch off MADC Divider */
+		snd_soc_update_bits(codec, AIC32X4_MADC,
+				    AIC32X4_MADCEN, 0);
+
+		/* Switch off NADC Divider */
+		snd_soc_update_bits(codec, AIC32X4_NADC,
+				    AIC32X4_NADCEN, 0);
+
+		/* Switch off MDAC Divider */
+		snd_soc_update_bits(codec, AIC32X4_MDAC,
+				    AIC32X4_MDACEN, 0);
+
+		/* Switch off NDAC Divider */
+		snd_soc_update_bits(codec, AIC32X4_NDAC,
+				    AIC32X4_NDACEN, 0);
+
+		/* Switch off PLL */
+		snd_soc_update_bits(codec, AIC32X4_PLLPR,
+				    AIC32X4_PLLEN, 0);
+
+		/* Switch off master clock */
+		clk_disable_unprepare(aic32x4->mclk);
+		break;
+	case SND_SOC_BIAS_OFF:
+		break;
+	}
+	return 0;
+}
+
+#define AIC32X4_RATES	SNDRV_PCM_RATE_8000_96000
+#define AIC32X4_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
+			 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static const struct snd_soc_dai_ops aic32x4_ops = {
+	.hw_params = aic32x4_hw_params,
+	.digital_mute = aic32x4_mute,
+	.set_fmt = aic32x4_set_dai_fmt,
+	.set_sysclk = aic32x4_set_dai_sysclk,
+};
+
+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 = 2,
+		    .rates = AIC32X4_RATES,
+		    .formats = AIC32X4_FORMATS,},
+	.ops = &aic32x4_ops,
+	.symmetric_rates = 1,
+};
+
+static void aic32x4_setup_gpios(struct snd_soc_codec *codec)
+{
+	struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
+
+	/* setup GPIO functions */
+	/* MFP1 */
+	if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
+		snd_soc_write(codec, AIC32X4_DINCTL,
+		      aic32x4->setup->gpio_func[0]);
+		snd_soc_add_codec_controls(codec, aic32x4_mfp1,
+			ARRAY_SIZE(aic32x4_mfp1));
+	}
+
+	/* MFP2 */
+	if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
+		snd_soc_write(codec, AIC32X4_DOUTCTL,
+		      aic32x4->setup->gpio_func[1]);
+		snd_soc_add_codec_controls(codec, aic32x4_mfp2,
+			ARRAY_SIZE(aic32x4_mfp2));
+	}
+
+	/* MFP3 */
+	if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
+		snd_soc_write(codec, AIC32X4_SCLKCTL,
+		      aic32x4->setup->gpio_func[2]);
+		snd_soc_add_codec_controls(codec, aic32x4_mfp3,
+			ARRAY_SIZE(aic32x4_mfp3));
+	}
+
+	/* MFP4 */
+	if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
+		snd_soc_write(codec, AIC32X4_MISOCTL,
+		      aic32x4->setup->gpio_func[3]);
+		snd_soc_add_codec_controls(codec, aic32x4_mfp4,
+			ARRAY_SIZE(aic32x4_mfp4));
+	}
+
+	/* MFP5 */
+	if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
+		snd_soc_write(codec, AIC32X4_GPIOCTL,
+		      aic32x4->setup->gpio_func[4]);
+		snd_soc_add_codec_controls(codec, aic32x4_mfp5,
+			ARRAY_SIZE(aic32x4_mfp5));
+	}
+}
+
+static int aic32x4_codec_probe(struct snd_soc_codec *codec)
+{
+	struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
+	u32 tmp_reg;
+
+	if (gpio_is_valid(aic32x4->rstn_gpio)) {
+		ndelay(10);
+		gpio_set_value(aic32x4->rstn_gpio, 1);
+	}
+
+	snd_soc_write(codec, AIC32X4_RESET, 0x01);
+
+	if (aic32x4->setup)
+		aic32x4_setup_gpios(codec);
+
+	/* Power platform configuration */
+	if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
+		snd_soc_write(codec, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN |
+						      AIC32X4_MICBIAS_2075V);
+	}
+	if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
+		snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
+
+	tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
+			AIC32X4_LDOCTLEN : 0;
+	snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg);
+
+	tmp_reg = snd_soc_read(codec, 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_write(codec, AIC32X4_CMMODE, tmp_reg);
+
+	/* Mic PGA routing */
+	if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
+		snd_soc_write(codec, AIC32X4_LMICPGANIN,
+				AIC32X4_LMICPGANIN_IN2R_10K);
+	else
+		snd_soc_write(codec, AIC32X4_LMICPGANIN,
+				AIC32X4_LMICPGANIN_CM1L_10K);
+	if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
+		snd_soc_write(codec, AIC32X4_RMICPGANIN,
+				AIC32X4_RMICPGANIN_IN1L_10K);
+	else
+		snd_soc_write(codec, 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_read(codec, AIC32X4_ADCSETUP);
+	snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg |
+				AIC32X4_LADC_EN | AIC32X4_RADC_EN);
+	snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg);
+
+	return 0;
+}
+
+static const struct snd_soc_codec_driver soc_codec_dev_aic32x4 = {
+	.probe = aic32x4_codec_probe,
+	.set_bias_level = aic32x4_set_bias_level,
+	.suspend_bias_off = true,
+
+	.component_driver = {
+		.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),
+	},
+};
+
+static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
+		struct device_node *np)
+{
+	struct aic32x4_setup_data *aic32x4_setup;
+
+	aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
+							GFP_KERNEL);
+	if (!aic32x4_setup)
+		return -ENOMEM;
+
+	aic32x4->swapdacs = false;
+	aic32x4->micpga_routing = 0;
+	aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
+
+	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)) {
+		dev_err(dev, "Missing supply 'iov'\n");
+		return PTR_ERR(aic32x4->supply_iov);
+	}
+
+	if (IS_ERR(aic32x4->supply_ldo)) {
+		if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+
+		if (IS_ERR(aic32x4->supply_dv)) {
+			dev_err(dev, "Missing supply 'dv' or 'ldoin'\n");
+			return PTR_ERR(aic32x4->supply_dv);
+		}
+		if (IS_ERR(aic32x4->supply_av)) {
+			dev_err(dev, "Missing supply 'av' or 'ldoin'\n");
+			return PTR_ERR(aic32x4->supply_av);
+		}
+	} else {
+		if (IS_ERR(aic32x4->supply_dv) &&
+				PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		if (IS_ERR(aic32x4->supply_av) &&
+				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)
+{
+	struct aic32x4_priv *aic32x4;
+	struct aic32x4_pdata *pdata = dev->platform_data;
+	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;
+	dev_set_drvdata(dev, aic32x4);
+
+	if (pdata) {
+		aic32x4->power_cfg = pdata->power_cfg;
+		aic32x4->swapdacs = pdata->swapdacs;
+		aic32x4->micpga_routing = pdata->micpga_routing;
+		aic32x4->rstn_gpio = pdata->rstn_gpio;
+	} else 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 = -1;
+	}
+
+	aic32x4->mclk = devm_clk_get(dev, "mclk");
+	if (IS_ERR(aic32x4->mclk)) {
+		dev_err(dev, "Failed getting the mclk. The current implementation does not support the usage of this codec without mclk\n");
+		return PTR_ERR(aic32x4->mclk);
+	}
+
+	if (gpio_is_valid(aic32x4->rstn_gpio)) {
+		ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio,
+				GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
+		if (ret != 0)
+			return ret;
+	}
+
+	ret = aic32x4_setup_regulators(dev, aic32x4);
+	if (ret) {
+		dev_err(dev, "Failed to setup regulators\n");
+		return ret;
+	}
+
+	ret = snd_soc_register_codec(dev,
+			&soc_codec_dev_aic32x4, &aic32x4_dai, 1);
+	if (ret) {
+		dev_err(dev, "Failed to register codec\n");
+		aic32x4_disable_regulators(aic32x4);
+		return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(aic32x4_probe);
+
+int aic32x4_remove(struct device *dev)
+{
+	struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);
+
+	aic32x4_disable_regulators(aic32x4);
+
+	snd_soc_unregister_codec(dev);
+
+	return 0;
+}
+EXPORT_SYMBOL(aic32x4_remove);
+
+MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
+MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
+MODULE_LICENSE("GPL");