1 files changed, 1222 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
new file mode 100644
index 000000000000..e4f6102efc1a
--- /dev/null
+++ b/sound/soc/codecs/rt286.c
@@ -0,0 +1,1222 @@
+/*
+ * rt286.c  --  RT286 ALSA SoC audio codec driver
+ *
+ * Copyright 2013 Realtek Semiconductor Corp.
+ * Author: Bard Liao <bardliao@realtek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/acpi.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 <sound/jack.h>
+#include <linux/workqueue.h>
+#include <sound/rt286.h>
+#include <sound/hda_verbs.h>
+
+#include "rt286.h"
+
+#define RT286_VENDOR_ID 0x10ec0286
+
+struct rt286_priv {
+	struct regmap *regmap;
+	struct rt286_platform_data pdata;
+	struct i2c_client *i2c;
+	struct snd_soc_jack *jack;
+	struct delayed_work jack_detect_work;
+	int sys_clk;
+	struct reg_default *index_cache;
+};
+
+static struct reg_default rt286_index_def[] = {
+	{ 0x01, 0xaaaa },
+	{ 0x02, 0x8aaa },
+	{ 0x03, 0x0002 },
+	{ 0x04, 0xaf01 },
+	{ 0x08, 0x000d },
+	{ 0x09, 0xd810 },
+	{ 0x0a, 0x0060 },
+	{ 0x0b, 0x0000 },
+	{ 0x0d, 0x2800 },
+	{ 0x0f, 0x0000 },
+	{ 0x19, 0x0a17 },
+	{ 0x20, 0x0020 },
+	{ 0x33, 0x0208 },
+	{ 0x49, 0x0004 },
+	{ 0x4f, 0x50e9 },
+	{ 0x50, 0x2c00 },
+	{ 0x63, 0x2902 },
+	{ 0x67, 0x1111 },
+	{ 0x68, 0x1016 },
+	{ 0x69, 0x273f },
+};
+#define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)
+
+static const struct reg_default rt286_reg[] = {
+	{ 0x00170500, 0x00000400 },
+	{ 0x00220000, 0x00000031 },
+	{ 0x00239000, 0x0000007f },
+	{ 0x0023a000, 0x0000007f },
+	{ 0x00270500, 0x00000400 },
+	{ 0x00370500, 0x00000400 },
+	{ 0x00870500, 0x00000400 },
+	{ 0x00920000, 0x00000031 },
+	{ 0x00935000, 0x000000c3 },
+	{ 0x00936000, 0x000000c3 },
+	{ 0x00970500, 0x00000400 },
+	{ 0x00b37000, 0x00000097 },
+	{ 0x00b37200, 0x00000097 },
+	{ 0x00b37300, 0x00000097 },
+	{ 0x00c37000, 0x00000000 },
+	{ 0x00c37100, 0x00000080 },
+	{ 0x01270500, 0x00000400 },
+	{ 0x01370500, 0x00000400 },
+	{ 0x01371f00, 0x411111f0 },
+	{ 0x01439000, 0x00000080 },
+	{ 0x0143a000, 0x00000080 },
+	{ 0x01470700, 0x00000000 },
+	{ 0x01470500, 0x00000400 },
+	{ 0x01470c00, 0x00000000 },
+	{ 0x01470100, 0x00000000 },
+	{ 0x01837000, 0x00000000 },
+	{ 0x01870500, 0x00000400 },
+	{ 0x02050000, 0x00000000 },
+	{ 0x02139000, 0x00000080 },
+	{ 0x0213a000, 0x00000080 },
+	{ 0x02170100, 0x00000000 },
+	{ 0x02170500, 0x00000400 },
+	{ 0x02170700, 0x00000000 },
+	{ 0x02270100, 0x00000000 },
+	{ 0x02370100, 0x00000000 },
+	{ 0x02040000, 0x00004002 },
+	{ 0x01870700, 0x00000020 },
+	{ 0x00830000, 0x000000c3 },
+	{ 0x00930000, 0x000000c3 },
+	{ 0x01270700, 0x00000000 },
+};
+
+static bool rt286_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0 ... 0xff:
+	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+	case RT286_GET_HP_SENSE:
+	case RT286_GET_MIC1_SENSE:
+	case RT286_PROC_COEF:
+		return true;
+	default:
+		return false;
+	}
+
+
+}
+
+static bool rt286_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0 ... 0xff:
+	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
+	case RT286_GET_HP_SENSE:
+	case RT286_GET_MIC1_SENSE:
+	case RT286_SET_AUDIO_POWER:
+	case RT286_SET_HPO_POWER:
+	case RT286_SET_SPK_POWER:
+	case RT286_SET_DMIC1_POWER:
+	case RT286_SPK_MUX:
+	case RT286_HPO_MUX:
+	case RT286_ADC0_MUX:
+	case RT286_ADC1_MUX:
+	case RT286_SET_MIC1:
+	case RT286_SET_PIN_HPO:
+	case RT286_SET_PIN_SPK:
+	case RT286_SET_PIN_DMIC1:
+	case RT286_SPK_EAPD:
+	case RT286_SET_AMP_GAIN_HPO:
+	case RT286_SET_DMIC2_DEFAULT:
+	case RT286_DACL_GAIN:
+	case RT286_DACR_GAIN:
+	case RT286_ADCL_GAIN:
+	case RT286_ADCR_GAIN:
+	case RT286_MIC_GAIN:
+	case RT286_SPOL_GAIN:
+	case RT286_SPOR_GAIN:
+	case RT286_HPOL_GAIN:
+	case RT286_HPOR_GAIN:
+	case RT286_F_DAC_SWITCH:
+	case RT286_F_RECMIX_SWITCH:
+	case RT286_REC_MIC_SWITCH:
+	case RT286_REC_I2S_SWITCH:
+	case RT286_REC_LINE_SWITCH:
+	case RT286_REC_BEEP_SWITCH:
+	case RT286_DAC_FORMAT:
+	case RT286_ADC_FORMAT:
+	case RT286_COEF_INDEX:
+	case RT286_PROC_COEF:
+	case RT286_SET_AMP_GAIN_ADC_IN1:
+	case RT286_SET_AMP_GAIN_ADC_IN2:
+	case RT286_SET_POWER(RT286_DAC_OUT1):
+	case RT286_SET_POWER(RT286_DAC_OUT2):
+	case RT286_SET_POWER(RT286_ADC_IN1):
+	case RT286_SET_POWER(RT286_ADC_IN2):
+	case RT286_SET_POWER(RT286_DMIC2):
+	case RT286_SET_POWER(RT286_MIC1):
+		return true;
+	default:
+		return false;
+	}
+}
+
+static int rt286_hw_write(void *context, unsigned int reg, unsigned int value)
+{
+	struct i2c_client *client = context;
+	struct rt286_priv *rt286 = i2c_get_clientdata(client);
+	u8 data[4];
+	int ret, i;
+
+	/*handle index registers*/
+	if (reg <= 0xff) {
+		rt286_hw_write(client, RT286_COEF_INDEX, reg);
+		reg = RT286_PROC_COEF;
+		for (i = 0; i < INDEX_CACHE_SIZE; i++) {
+			if (reg == rt286->index_cache[i].reg) {
+				rt286->index_cache[i].def = value;
+				break;
+			}
+
+		}
+	}
+
+	data[0] = (reg >> 24) & 0xff;
+	data[1] = (reg >> 16) & 0xff;
+	/*
+	 * 4 bit VID: reg should be 0
+	 * 12 bit VID: value should be 0
+	 * So we use an OR operator to handle it rather than use if condition.
+	 */
+	data[2] = ((reg >> 8) & 0xff) | ((value >> 8) & 0xff);
+	data[3] = value & 0xff;
+
+	ret = i2c_master_send(client, data, 4);
+
+	if (ret == 4)
+		return 0;
+	else
+		pr_err("ret=%d\n", ret);
+	if (ret < 0)
+		return ret;
+	else
+		return -EIO;
+}
+
+static int rt286_hw_read(void *context, unsigned int reg, unsigned int *value)
+{
+	struct i2c_client *client = context;
+	struct i2c_msg xfer[2];
+	int ret;
+	__be32 be_reg;
+	unsigned int index, vid, buf = 0x0;
+
+	/*handle index registers*/
+	if (reg <= 0xff) {
+		rt286_hw_write(client, RT286_COEF_INDEX, reg);
+		reg = RT286_PROC_COEF;
+	}
+
+	reg = reg | 0x80000;
+	vid = (reg >> 8) & 0xfff;
+
+	if (AC_VERB_GET_AMP_GAIN_MUTE == (vid & 0xf00)) {
+		index = (reg >> 8) & 0xf;
+		reg = (reg & ~0xf0f) | index;
+	}
+	be_reg = cpu_to_be32(reg);
+
+	/* Write register */
+	xfer[0].addr = client->addr;
+	xfer[0].flags = 0;
+	xfer[0].len = 4;
+	xfer[0].buf = (u8 *)&be_reg;
+
+	/* Read data */
+	xfer[1].addr = client->addr;
+	xfer[1].flags = I2C_M_RD;
+	xfer[1].len = 4;
+	xfer[1].buf = (u8 *)&buf;
+
+	ret = i2c_transfer(client->adapter, xfer, 2);
+	if (ret < 0)
+		return ret;
+	else if (ret != 2)
+		return -EIO;
+
+	*value = be32_to_cpu(buf);
+
+	return 0;
+}
+
+static void rt286_index_sync(struct snd_soc_codec *codec)
+{
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+	int i;
+
+	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
+		snd_soc_write(codec, rt286->index_cache[i].reg,
+				  rt286->index_cache[i].def);
+	}
+}
+
+static int rt286_support_power_controls[] = {
+	RT286_DAC_OUT1,
+	RT286_DAC_OUT2,
+	RT286_ADC_IN1,
+	RT286_ADC_IN2,
+	RT286_MIC1,
+	RT286_DMIC1,
+	RT286_DMIC2,
+	RT286_SPK_OUT,
+	RT286_HP_OUT,
+};
+#define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls)
+
+static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
+{
+	unsigned int val, buf;
+	int i;
+
+	*hp = false;
+	*mic = false;
+
+	if (rt286->pdata.cbj_en) {
+		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
+		*hp = buf & 0x80000000;
+		if (*hp) {
+			/* power on HV,VERF */
+			regmap_update_bits(rt286->regmap,
+				RT286_POWER_CTRL1, 0x1001, 0x0);
+			/* power LDO1 */
+			regmap_update_bits(rt286->regmap,
+				RT286_POWER_CTRL2, 0x4, 0x4);
+			regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24);
+			regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val);
+
+			msleep(200);
+			i = 40;
+			while (((val & 0x0800) == 0) && (i > 0)) {
+				regmap_read(rt286->regmap,
+					RT286_CBJ_CTRL2, &val);
+				i--;
+				msleep(20);
+			}
+
+			if (0x0400 == (val & 0x0700)) {
+				*mic = false;
+
+				regmap_write(rt286->regmap,
+					RT286_SET_MIC1, 0x20);
+				/* power off HV,VERF */
+				regmap_update_bits(rt286->regmap,
+					RT286_POWER_CTRL1, 0x1001, 0x1001);
+				regmap_update_bits(rt286->regmap,
+					RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
+				regmap_update_bits(rt286->regmap,
+					RT286_CBJ_CTRL1, 0x0030, 0x0000);
+				regmap_update_bits(rt286->regmap,
+					RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
+			} else if ((0x0200 == (val & 0x0700)) ||
+				(0x0100 == (val & 0x0700))) {
+				*mic = true;
+				regmap_update_bits(rt286->regmap,
+					RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
+				regmap_update_bits(rt286->regmap,
+					RT286_CBJ_CTRL1, 0x0030, 0x0020);
+				regmap_update_bits(rt286->regmap,
+					RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
+			} else {
+				*mic = false;
+			}
+
+			regmap_update_bits(rt286->regmap,
+						RT286_MISC_CTRL1,
+						0x0060, 0x0000);
+		} else {
+			regmap_update_bits(rt286->regmap,
+						RT286_MISC_CTRL1,
+						0x0060, 0x0020);
+			regmap_update_bits(rt286->regmap,
+						RT286_A_BIAS_CTRL3,
+						0xc000, 0x8000);
+			regmap_update_bits(rt286->regmap,
+						RT286_CBJ_CTRL1,
+						0x0030, 0x0020);
+			regmap_update_bits(rt286->regmap,
+						RT286_A_BIAS_CTRL2,
+						0xc000, 0x8000);
+
+			*mic = false;
+		}
+	} else {
+		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
+		*hp = buf & 0x80000000;
+		regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf);
+		*mic = buf & 0x80000000;
+	}
+
+	return 0;
+}
+
+static void rt286_jack_detect_work(struct work_struct *work)
+{
+	struct rt286_priv *rt286 =
+		container_of(work, struct rt286_priv, jack_detect_work.work);
+	int status = 0;
+	bool hp = false;
+	bool mic = false;
+
+	rt286_jack_detect(rt286, &hp, &mic);
+
+	if (hp == true)
+		status |= SND_JACK_HEADPHONE;
+
+	if (mic == true)
+		status |= SND_JACK_MICROPHONE;
+
+	snd_soc_jack_report(rt286->jack, status,
+		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+}
+
+int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
+{
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+
+	rt286->jack = jack;
+
+	/* Send an initial empty report */
+	snd_soc_jack_report(rt286->jack, 0,
+		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt286_mic_detect);
+
+static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
+
+static const struct snd_kcontrol_new rt286_snd_controls[] = {
+	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
+			    RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
+	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
+			    RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
+	SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
+			    0, 0x3, 0, mic_vol_tlv),
+	SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
+			    RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
+};
+
+/* Digital Mixer */
+static const struct snd_kcontrol_new rt286_front_mix[] = {
+	SOC_DAPM_SINGLE("DAC Switch",  RT286_F_DAC_SWITCH,
+			RT286_MUTE_SFT, 1, 1),
+	SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
+			RT286_MUTE_SFT, 1, 1),
+};
+
+/* Analog Input Mixer */
+static const struct snd_kcontrol_new rt286_rec_mix[] = {
+	SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
+			RT286_MUTE_SFT, 1, 1),
+	SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
+			RT286_MUTE_SFT, 1, 1),
+	SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
+			RT286_MUTE_SFT, 1, 1),
+	SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
+			RT286_MUTE_SFT, 1, 1),
+};
+
+static const struct snd_kcontrol_new spo_enable_control =
+	SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
+			RT286_SET_PIN_SFT, 1, 0);
+
+static const struct snd_kcontrol_new hpol_enable_control =
+	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
+			RT286_MUTE_SFT, 1, 1);
+
+static const struct snd_kcontrol_new hpor_enable_control =
+	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
+			RT286_MUTE_SFT, 1, 1);
+
+/* ADC0 source */
+static const char * const rt286_adc_src[] = {
+	"Mic", "RECMIX", "Dmic"
+};
+
+static const int rt286_adc_values[] = {
+	0, 4, 5,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(
+	rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
+	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
+
+static const struct snd_kcontrol_new rt286_adc0_mux =
+	SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(
+	rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
+	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
+
+static const struct snd_kcontrol_new rt286_adc1_mux =
+	SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
+
+static const char * const rt286_dac_src[] = {
+	"Front", "Surround"
+};
+/* HP-OUT source */
+static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
+				0, rt286_dac_src);
+
+static const struct snd_kcontrol_new rt286_hpo_mux =
+SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
+
+/* SPK-OUT source */
+static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
+				0, rt286_dac_src);
+
+static const struct snd_kcontrol_new rt286_spo_mux =
+SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
+
+static int rt286_spk_event(struct snd_soc_dapm_widget *w,
+			    struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		snd_soc_write(codec,
+			RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		snd_soc_write(codec,
+			RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
+		break;
+
+	default:
+		return 0;
+	}
+
+	return 0;
+}
+
+static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
+				  struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0);
+		break;
+	default:
+		return 0;
+	}
+
+	return 0;
+}
+
+static int rt286_adc_event(struct snd_soc_dapm_widget *w,
+			     struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+	unsigned int nid;
+
+	nid = (w->reg >> 20) & 0xff;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		snd_soc_update_bits(codec,
+			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
+			0x7080, 0x7000);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		snd_soc_update_bits(codec,
+			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
+			0x7080, 0x7080);
+		break;
+	default:
+		return 0;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
+	/* Input Lines */
+	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
+	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
+	SND_SOC_DAPM_INPUT("MIC1"),
+	SND_SOC_DAPM_INPUT("LINE1"),
+	SND_SOC_DAPM_INPUT("Beep"),
+
+	/* DMIC */
+	SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
+		NULL, 0, rt286_set_dmic1_event,
+		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+	SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
+		NULL, 0),
+	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
+		0, 0, NULL, 0),
+
+	/* REC Mixer */
+	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
+		rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
+
+	/* ADCs */
+	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
+
+	/* ADC Mux */
+	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
+		&rt286_adc0_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
+		SND_SOC_DAPM_POST_PMU),
+	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
+		&rt286_adc1_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
+		SND_SOC_DAPM_POST_PMU),
+
+	/* Audio Interface */
+	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
+
+	/* Output Side */
+	/* DACs */
+	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
+
+	/* Output Mux */
+	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
+	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
+
+	SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
+		RT286_SET_PIN_SFT, 0, NULL, 0),
+
+	/* Output Mixer */
+	SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
+			rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
+	SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
+			NULL, 0),
+
+	/* Output Pga */
+	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
+		&spo_enable_control, rt286_spk_event,
+		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
+		&hpol_enable_control),
+	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
+		&hpor_enable_control),
+
+	/* Output Lines */
+	SND_SOC_DAPM_OUTPUT("SPOL"),
+	SND_SOC_DAPM_OUTPUT("SPOR"),
+	SND_SOC_DAPM_OUTPUT("HPO Pin"),
+	SND_SOC_DAPM_OUTPUT("SPDIF"),
+};
+
+static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
+	{"DMIC1", NULL, "DMIC1 Pin"},
+	{"DMIC2", NULL, "DMIC2 Pin"},
+	{"DMIC1", NULL, "DMIC Receiver"},
+	{"DMIC2", NULL, "DMIC Receiver"},
+
+	{"RECMIX", "Beep Switch", "Beep"},
+	{"RECMIX", "Line1 Switch", "LINE1"},
+	{"RECMIX", "Mic1 Switch", "MIC1"},
+
+	{"ADC 0 Mux", "Dmic", "DMIC1"},
+	{"ADC 0 Mux", "RECMIX", "RECMIX"},
+	{"ADC 0 Mux", "Mic", "MIC1"},
+	{"ADC 1 Mux", "Dmic", "DMIC2"},
+	{"ADC 1 Mux", "RECMIX", "RECMIX"},
+	{"ADC 1 Mux", "Mic", "MIC1"},
+
+	{"ADC 0", NULL, "ADC 0 Mux"},
+	{"ADC 1", NULL, "ADC 1 Mux"},
+
+	{"AIF1TX", NULL, "ADC 0"},
+	{"AIF2TX", NULL, "ADC 1"},
+
+	{"DAC 0", NULL, "AIF1RX"},
+	{"DAC 1", NULL, "AIF2RX"},
+
+	{"Front", "DAC Switch", "DAC 0"},
+	{"Front", "RECMIX Switch", "RECMIX"},
+
+	{"Surround", NULL, "DAC 1"},
+
+	{"SPK Mux", "Front", "Front"},
+	{"SPK Mux", "Surround", "Surround"},
+
+	{"HPO Mux", "Front", "Front"},
+	{"HPO Mux", "Surround", "Surround"},
+
+	{"SPO", "Switch", "SPK Mux"},
+	{"HPO L", "Switch", "HPO Mux"},
+	{"HPO R", "Switch", "HPO Mux"},
+	{"HPO L", NULL, "HP Power"},
+	{"HPO R", NULL, "HP Power"},
+
+	{"SPOL", NULL, "SPO"},
+	{"SPOR", NULL, "SPO"},
+	{"HPO Pin", NULL, "HPO L"},
+	{"HPO Pin", NULL, "HPO R"},
+};
+
+static int rt286_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 rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+	unsigned int val = 0;
+	int d_len_code;
+
+	switch (params_rate(params)) {
+	/* bit 14 0:48K 1:44.1K */
+	case 44100:
+		val |= 0x4000;
+		break;
+	case 48000:
+		break;
+	default:
+		dev_err(codec->dev, "Unsupported sample rate %d\n",
+					params_rate(params));
+		return -EINVAL;
+	}
+	switch (rt286->sys_clk) {
+	case 12288000:
+	case 24576000:
+		if (params_rate(params) != 48000) {
+			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
+					params_rate(params), rt286->sys_clk);
+			return -EINVAL;
+		}
+		break;
+	case 11289600:
+	case 22579200:
+		if (params_rate(params) != 44100) {
+			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
+					params_rate(params), rt286->sys_clk);
+			return -EINVAL;
+		}
+		break;
+	}
+
+	if (params_channels(params) <= 16) {
+		/* bit 3:0 Number of Channel */
+		val |= (params_channels(params) - 1);
+	} else {
+		dev_err(codec->dev, "Unsupported channels %d\n",
+					params_channels(params));
+		return -EINVAL;
+	}
+
+	d_len_code = 0;
+	switch (params_width(params)) {
+	/* bit 6:4 Bits per Sample */
+	case 16:
+		d_len_code = 0;
+		val |= (0x1 << 4);
+		break;
+	case 32:
+		d_len_code = 2;
+		val |= (0x4 << 4);
+		break;
+	case 20:
+		d_len_code = 1;
+		val |= (0x2 << 4);
+		break;
+	case 24:
+		d_len_code = 2;
+		val |= (0x3 << 4);
+		break;
+	case 8:
+		d_len_code = 3;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	snd_soc_update_bits(codec,
+		RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
+	dev_dbg(codec->dev, "format val = 0x%x\n", val);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
+	else
+		snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
+
+	return 0;
+}
+
+static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	struct snd_soc_codec *codec = dai->codec;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x800, 0x800);
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x800, 0x0);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x300, 0x0);
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x300, 0x1 << 8);
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x300, 0x2 << 8);
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x300, 0x3 << 8);
+		break;
+	default:
+		return -EINVAL;
+	}
+	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
+	snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0);
+	snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0);
+
+	return 0;
+}
+
+static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
+				int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+
+	dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
+
+	if (RT286_SCLK_S_MCLK == clk_id) {
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL2, 0x0100, 0x0);
+		snd_soc_update_bits(codec,
+			RT286_PLL_CTRL1, 0x20, 0x20);
+	} else {
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL2, 0x0100, 0x0100);
+		snd_soc_update_bits(codec,
+			RT286_PLL_CTRL, 0x4, 0x4);
+		snd_soc_update_bits(codec,
+			RT286_PLL_CTRL1, 0x20, 0x0);
+	}
+
+	switch (freq) {
+	case 19200000:
+		if (RT286_SCLK_S_MCLK == clk_id) {
+			dev_err(codec->dev, "Should not use MCLK\n");
+			return -EINVAL;
+		}
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL2, 0x40, 0x40);
+		break;
+	case 24000000:
+		if (RT286_SCLK_S_MCLK == clk_id) {
+			dev_err(codec->dev, "Should not use MCLK\n");
+			return -EINVAL;
+		}
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL2, 0x40, 0x0);
+		break;
+	case 12288000:
+	case 11289600:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL2, 0x8, 0x0);
+		snd_soc_update_bits(codec,
+			RT286_CLK_DIV, 0xfc1e, 0x0004);
+		break;
+	case 24576000:
+	case 22579200:
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL2, 0x8, 0x8);
+		snd_soc_update_bits(codec,
+			RT286_CLK_DIV, 0xfc1e, 0x5406);
+		break;
+	default:
+		dev_err(codec->dev, "Unsupported system clock\n");
+		return -EINVAL;
+	}
+
+	rt286->sys_clk = freq;
+
+	return 0;
+}
+
+static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+	struct snd_soc_codec *codec = dai->codec;
+
+	dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
+	if (50 == ratio)
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x1000, 0x1000);
+	else
+		snd_soc_update_bits(codec,
+			RT286_I2S_CTRL1, 0x1000, 0x0);
+
+
+	return 0;
+}
+
+static int rt286_set_bias_level(struct snd_soc_codec *codec,
+				 enum snd_soc_bias_level level)
+{
+	switch (level) {
+	case SND_SOC_BIAS_PREPARE:
+		if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
+			snd_soc_write(codec,
+				RT286_SET_AUDIO_POWER, AC_PWRST_D0);
+			snd_soc_update_bits(codec,
+				RT286_DC_GAIN, 0x200, 0x200);
+		}
+		break;
+
+	case SND_SOC_BIAS_ON:
+		mdelay(10);
+		break;
+
+	case SND_SOC_BIAS_STANDBY:
+		snd_soc_write(codec,
+			RT286_SET_AUDIO_POWER, AC_PWRST_D3);
+		snd_soc_update_bits(codec,
+			RT286_DC_GAIN, 0x200, 0x0);
+		break;
+
+	default:
+		break;
+	}
+	codec->dapm.bias_level = level;
+
+	return 0;
+}
+
+static irqreturn_t rt286_irq(int irq, void *data)
+{
+	struct rt286_priv *rt286 = data;
+	bool hp = false;
+	bool mic = false;
+	int status = 0;
+
+	rt286_jack_detect(rt286, &hp, &mic);
+
+	/* Clear IRQ */
+	regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
+
+	if (hp == true)
+		status |= SND_JACK_HEADPHONE;
+
+	if (mic == true)
+		status |= SND_JACK_MICROPHONE;
+
+	snd_soc_jack_report(rt286->jack, status,
+		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
+
+	pm_wakeup_event(&rt286->i2c->dev, 300);
+
+	return IRQ_HANDLED;
+}
+
+static int rt286_probe(struct snd_soc_codec *codec)
+{
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+
+	codec->dapm.bias_level = SND_SOC_BIAS_OFF;
+
+	if (rt286->i2c->irq) {
+		regmap_update_bits(rt286->regmap,
+					RT286_IRQ_CTRL, 0x2, 0x2);
+
+		INIT_DELAYED_WORK(&rt286->jack_detect_work,
+					rt286_jack_detect_work);
+		schedule_delayed_work(&rt286->jack_detect_work,
+					msecs_to_jiffies(1250));
+	}
+
+	return 0;
+}
+
+static int rt286_remove(struct snd_soc_codec *codec)
+{
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+
+	cancel_delayed_work_sync(&rt286->jack_detect_work);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int rt286_suspend(struct snd_soc_codec *codec)
+{
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+
+	regcache_cache_only(rt286->regmap, true);
+	regcache_mark_dirty(rt286->regmap);
+
+	return 0;
+}
+
+static int rt286_resume(struct snd_soc_codec *codec)
+{
+	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
+
+	regcache_cache_only(rt286->regmap, false);
+	rt286_index_sync(codec);
+	regcache_sync(rt286->regmap);
+
+	return 0;
+}
+#else
+#define rt286_suspend NULL
+#define rt286_resume NULL
+#endif
+
+#define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+#define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
+
+static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
+	.hw_params = rt286_hw_params,
+	.set_fmt = rt286_set_dai_fmt,
+	.set_sysclk = rt286_set_dai_sysclk,
+	.set_bclk_ratio = rt286_set_bclk_ratio,
+};
+
+static struct snd_soc_dai_driver rt286_dai[] = {
+	{
+		.name = "rt286-aif1",
+		.id = RT286_AIF1,
+		.playback = {
+			.stream_name = "AIF1 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT286_STEREO_RATES,
+			.formats = RT286_FORMATS,
+		},
+		.capture = {
+			.stream_name = "AIF1 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT286_STEREO_RATES,
+			.formats = RT286_FORMATS,
+		},
+		.ops = &rt286_aif_dai_ops,
+		.symmetric_rates = 1,
+	},
+	{
+		.name = "rt286-aif2",
+		.id = RT286_AIF2,
+		.playback = {
+			.stream_name = "AIF2 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT286_STEREO_RATES,
+			.formats = RT286_FORMATS,
+		},
+		.capture = {
+			.stream_name = "AIF2 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = RT286_STEREO_RATES,
+			.formats = RT286_FORMATS,
+		},
+		.ops = &rt286_aif_dai_ops,
+		.symmetric_rates = 1,
+	},
+
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
+	.probe = rt286_probe,
+	.remove = rt286_remove,
+	.suspend = rt286_suspend,
+	.resume = rt286_resume,
+	.set_bias_level = rt286_set_bias_level,
+	.idle_bias_off = true,
+	.controls = rt286_snd_controls,
+	.num_controls = ARRAY_SIZE(rt286_snd_controls),
+	.dapm_widgets = rt286_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(rt286_dapm_widgets),
+	.dapm_routes = rt286_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(rt286_dapm_routes),
+};
+
+static const struct regmap_config rt286_regmap = {
+	.reg_bits = 32,
+	.val_bits = 32,
+	.max_register = 0x02370100,
+	.volatile_reg = rt286_volatile_register,
+	.readable_reg = rt286_readable_register,
+	.reg_write = rt286_hw_write,
+	.reg_read = rt286_hw_read,
+	.cache_type = REGCACHE_RBTREE,
+	.reg_defaults = rt286_reg,
+	.num_reg_defaults = ARRAY_SIZE(rt286_reg),
+};
+
+static const struct i2c_device_id rt286_i2c_id[] = {
+	{"rt286", 0},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
+
+static const struct acpi_device_id rt286_acpi_match[] = {
+	{ "INT343A", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
+
+static int rt286_i2c_probe(struct i2c_client *i2c,
+			   const struct i2c_device_id *id)
+{
+	struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
+	struct rt286_priv *rt286;
+	int i, ret;
+
+	rt286 = devm_kzalloc(&i2c->dev,	sizeof(*rt286),
+				GFP_KERNEL);
+	if (NULL == rt286)
+		return -ENOMEM;
+
+	rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
+	if (IS_ERR(rt286->regmap)) {
+		ret = PTR_ERR(rt286->regmap);
+		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+			ret);
+		return ret;
+	}
+
+	regmap_read(rt286->regmap,
+		RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
+	if (ret != RT286_VENDOR_ID) {
+		dev_err(&i2c->dev,
+			"Device with ID register %x is not rt286\n", ret);
+		return -ENODEV;
+	}
+
+	rt286->index_cache = rt286_index_def;
+	rt286->i2c = i2c;
+	i2c_set_clientdata(i2c, rt286);
+
+	if (pdata)
+		rt286->pdata = *pdata;
+
+	regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3);
+
+	for (i = 0; i < RT286_POWER_REG_LEN; i++)
+		regmap_write(rt286->regmap,
+			RT286_SET_POWER(rt286_support_power_controls[i]),
+			AC_PWRST_D1);
+
+	if (!rt286->pdata.cbj_en) {
+		regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
+		regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
+		regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
+		regmap_update_bits(rt286->regmap,
+					RT286_CBJ_CTRL1, 0xf000, 0xb000);
+	} else {
+		regmap_update_bits(rt286->regmap,
+					RT286_CBJ_CTRL1, 0xf000, 0x5000);
+	}
+
+	mdelay(10);
+
+	if (!rt286->pdata.gpio2_en)
+		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000);
+	else
+		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);
+
+	mdelay(10);
+
+	/*Power down LDO2*/
+	regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0x8, 0x0);
+
+	/*Set depop parameter*/
+	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
+	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737);
+	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f);
+
+	if (rt286->i2c->irq) {
+		ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
+			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
+		if (ret != 0) {
+			dev_err(&i2c->dev,
+				"Failed to reguest IRQ: %d\n", ret);
+			return ret;
+		}
+	}
+
+	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286,
+				     rt286_dai, ARRAY_SIZE(rt286_dai));
+
+	return ret;
+}
+
+static int rt286_i2c_remove(struct i2c_client *i2c)
+{
+	struct rt286_priv *rt286 = i2c_get_clientdata(i2c);
+
+	if (i2c->irq)
+		free_irq(i2c->irq, rt286);
+	snd_soc_unregister_codec(&i2c->dev);
+
+	return 0;
+}
+
+
+static struct i2c_driver rt286_i2c_driver = {
+	.driver = {
+		   .name = "rt286",
+		   .owner = THIS_MODULE,
+		   .acpi_match_table = ACPI_PTR(rt286_acpi_match),
+		   },
+	.probe = rt286_i2c_probe,
+	.remove = rt286_i2c_remove,
+	.id_table = rt286_i2c_id,
+};
+
+module_i2c_driver(rt286_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT286 driver");
+MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
+MODULE_LICENSE("GPL");