ASoC: codecs: add support for ES8326

The ES8326 codec is not compatible with ES8316 and requires
a dedicated driver.

------
v6 remove rate 96000 remove HEX suffix

Signed-off-by: David Yang <yangxiaohua@everest-semi.com>
Signed-off-by: Zhu Ning <zhuning@everest-semi.com>
Link: https://lore.kernel.org/r/20220816024456.4475-2-zhuning0077@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 905 insertions, 0 deletions

diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c
new file mode 100755
index 000000000000..975302b2a61d
--- /dev/null
+++ b/sound/soc/codecs/es8326.c
@@ -0,0 +1,905 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// es8326.c -- es8326 ALSA SoC audio driver
+// Copyright Everest Semiconductor Co., Ltd
+//
+// Authors: David Yang <yangxiaohua@everest-semi.com>
+//
+
+#include <linux/clk.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+#include "es8326.h"
+
+struct es8326_priv {
+	struct clk *mclk;
+	struct i2c_client *i2c;
+	struct regmap *regmap;
+	struct snd_soc_component *component;
+	struct delayed_work jack_detect_work;
+	struct delayed_work button_press_work;
+	struct snd_soc_jack *jack;
+	int irq;
+	/* The lock protects the situation that an irq is generated
+	 * while enabling or disabling or during an irq.
+	 */
+	struct mutex lock;
+	u8 mic1_src;
+	u8 mic2_src;
+	u8 jack_pol;
+	u8 interrupt_src;
+	u8 interrupt_clk;
+	bool jd_inverted;
+	unsigned int sysclk;
+};
+
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9550, 50, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_analog_pga_tlv, 0, 300, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_pga_tlv, 0, 600, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(softramp_rate, 0, 100, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_target_tlv, -3200, 200, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_recovery_tlv, -125, 250, 0);
+
+static const char *const winsize[] = {
+	"0.25db/2  LRCK",
+	"0.25db/4  LRCK",
+	"0.25db/8  LRCK",
+	"0.25db/16  LRCK",
+	"0.25db/32  LRCK",
+	"0.25db/64  LRCK",
+	"0.25db/128  LRCK",
+	"0.25db/256  LRCK",
+	"0.25db/512  LRCK",
+	"0.25db/1024  LRCK",
+	"0.25db/2048  LRCK",
+	"0.25db/4096  LRCK",
+	"0.25db/8192  LRCK",
+	"0.25db/16384  LRCK",
+	"0.25db/32768  LRCK",
+	"0.25db/65536  LRCK",
+};
+
+static const char *const dacpol_txt[] =	{
+	"Normal", "R Invert", "L Invert", "L + R Invert" };
+
+static const struct soc_enum dacpol =
+	SOC_ENUM_SINGLE(ES8326_DAC_DSM, 4, 4, dacpol_txt);
+static const struct soc_enum alc_winsize =
+	SOC_ENUM_SINGLE(ES8326_ADC_RAMPRATE, 4, 16, winsize);
+static const struct soc_enum drc_winsize =
+	SOC_ENUM_SINGLE(ES8326_DRC_WINSIZE, 4, 16, winsize);
+
+static const struct snd_kcontrol_new es8326_snd_controls[] = {
+	SOC_SINGLE_TLV("DAC Playback Volume", ES8326_DAC_VOL, 0, 0xbf, 0, dac_vol_tlv),
+	SOC_ENUM("Playback Polarity", dacpol),
+	SOC_SINGLE_TLV("DAC Ramp Rate", ES8326_DAC_RAMPRATE, 0, 0x0f, 0, softramp_rate),
+	SOC_SINGLE_TLV("DRC Recovery Level", ES8326_DRC_RECOVERY, 0, 4, 0, drc_recovery_tlv),
+	SOC_ENUM("DRC Winsize", drc_winsize),
+	SOC_SINGLE_TLV("DRC Target Level", ES8326_DRC_WINSIZE, 0, 0x0f, 0, drc_target_tlv),
+
+	SOC_DOUBLE_R_TLV("ADC Capture Volume", ES8326_ADC1_VOL, ES8326_ADC2_VOL, 0, 0xff, 0,
+			 adc_vol_tlv),
+	SOC_DOUBLE_TLV("ADC PGA Volume", ES8326_ADC_SCALE, 4, 0, 5, 0, adc_pga_tlv),
+	SOC_SINGLE_TLV("ADC PGA Gain Volume", ES8326_PGAGAIN, 0, 10, 0, adc_analog_pga_tlv),
+	SOC_SINGLE_TLV("ADC Ramp Rate", ES8326_ADC_RAMPRATE, 0, 0x0f, 0, softramp_rate),
+	SOC_SINGLE("ALC Capture Switch", ES8326_ALC_RECOVERY, 3, 1, 0),
+	SOC_SINGLE_TLV("ALC Capture Recovery Level", ES8326_ALC_LEVEL,
+			0, 4, 0, drc_recovery_tlv),
+	SOC_ENUM("ALC Capture Winsize", alc_winsize),
+	SOC_SINGLE_TLV("ALC Capture Target Level", ES8326_ALC_LEVEL,
+			0, 0x0f, 0, drc_target_tlv),
+
+};
+
+static const struct snd_soc_dapm_widget es8326_dapm_widgets[] = {
+	SND_SOC_DAPM_INPUT("MIC1"),
+	SND_SOC_DAPM_INPUT("MIC2"),
+	SND_SOC_DAPM_INPUT("MIC3"),
+	SND_SOC_DAPM_INPUT("MIC4"),
+
+	SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0),
+
+	/* Digital Interface */
+	SND_SOC_DAPM_AIF_OUT("I2S OUT", "I2S1 Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("I2S IN", "I2S1 Playback", 0, SND_SOC_NOPM, 0, 0),
+
+	/* ADC Digital Mute */
+	SND_SOC_DAPM_PGA("ADC L1", ES8326_ADC_MUTE, 0, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("ADC R1", ES8326_ADC_MUTE, 1, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("ADC L2", ES8326_ADC_MUTE, 2, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("ADC R2", ES8326_ADC_MUTE, 3, 1, NULL, 0),
+
+	/* Analog Power Supply*/
+	SND_SOC_DAPM_DAC("Right DAC", NULL, ES8326_ANA_PDN, 0, 1),
+	SND_SOC_DAPM_DAC("Left DAC", NULL, ES8326_ANA_PDN, 1, 1),
+	SND_SOC_DAPM_SUPPLY("Analog Power", ES8326_ANA_PDN, 7, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("IBias Power", ES8326_ANA_PDN, 6, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("ADC Vref", ES8326_ANA_PDN, 5, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("DAC Vref", ES8326_ANA_PDN, 4, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Vref Power", ES8326_ANA_PDN, 3, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MICBIAS1", ES8326_ANA_MICBIAS, 2, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MICBIAS2", ES8326_ANA_MICBIAS, 3, 0, NULL, 0),
+
+	SND_SOC_DAPM_PGA("LHPMIX", ES8326_DAC2HPMIX, 7, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("RHPMIX", ES8326_DAC2HPMIX, 3, 0, NULL, 0),
+
+	/* Headphone Charge Pump and Output */
+	SND_SOC_DAPM_SUPPLY("HPOR Cal", ES8326_HP_CAL, 7, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("HPOL Cal", ES8326_HP_CAL, 3, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Headphone Charge Pump", ES8326_HP_DRIVER,
+			    3, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Headphone Driver Bias", ES8326_HP_DRIVER,
+			    2, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Headphone LDO", ES8326_HP_DRIVER,
+			    1, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Headphone Reference", ES8326_HP_DRIVER,
+			    0, 1, NULL, 0),
+	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOR Supply", ES8326_HP_CAL,
+			 ES8326_HPOR_SHIFT, 7, 7, 0),
+	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOL Supply", ES8326_HP_CAL,
+			 0, 7, 7, 0),
+
+	SND_SOC_DAPM_OUTPUT("HPOL"),
+	SND_SOC_DAPM_OUTPUT("HPOR"),
+};
+
+static const struct snd_soc_dapm_route es8326_dapm_routes[] = {
+	{"ADC L1", NULL, "MIC1"},
+	{"ADC R1", NULL, "MIC2"},
+	{"ADC L2", NULL, "MIC3"},
+	{"ADC R2", NULL, "MIC4"},
+
+	{"ADC L", NULL, "ADC L1"},
+	{"ADC R", NULL, "ADC R1"},
+	{"ADC L", NULL, "ADC L2"},
+	{"ADC R", NULL, "ADC R2"},
+
+	{"I2S OUT", NULL, "ADC L"},
+	{"I2S OUT", NULL, "ADC R"},
+
+	{"I2S OUT", NULL, "Analog Power"},
+	{"I2S OUT", NULL, "ADC Vref"},
+	{"I2S OUT", NULL, "Vref Power"},
+	{"I2S OUT", NULL, "IBias Power"},
+	{"I2S IN", NULL, "Analog Power"},
+	{"I2S IN", NULL, "DAC Vref"},
+	{"I2S IN", NULL, "Vref Power"},
+	{"I2S IN", NULL, "IBias Power"},
+
+	{"Right DAC", NULL, "I2S IN"},
+	{"Left DAC", NULL, "I2S IN"},
+
+	{"LHPMIX", NULL, "Left DAC"},
+	{"RHPMIX", NULL, "Right DAC"},
+
+	{"HPOR", NULL, "HPOR Cal"},
+	{"HPOL", NULL, "HPOL Cal"},
+	{"HPOR", NULL, "HPOR Supply"},
+	{"HPOL", NULL, "HPOL Supply"},
+	{"HPOL", NULL, "Headphone Charge Pump"},
+	{"HPOR", NULL, "Headphone Charge Pump"},
+	{"HPOL", NULL, "Headphone Driver Bias"},
+	{"HPOR", NULL, "Headphone Driver Bias"},
+	{"HPOL", NULL, "Headphone LDO"},
+	{"HPOR", NULL, "Headphone LDO"},
+	{"HPOL", NULL, "Headphone Reference"},
+	{"HPOR", NULL, "Headphone Reference"},
+
+	{"HPOL", NULL, "LHPMIX"},
+	{"HPOR", NULL, "RHPMIX"},
+};
+
+static const struct regmap_range es8326_volatile_ranges[] = {
+	regmap_reg_range(ES8326_HP_DETECT, ES8326_HP_DETECT),
+};
+
+static const struct regmap_access_table es8326_volatile_table = {
+	.yes_ranges = es8326_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(es8326_volatile_ranges),
+};
+
+const struct regmap_config es8326_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = 0xff,
+	.volatile_table = &es8326_volatile_table,
+	.cache_type = REGCACHE_RBTREE,
+};
+
+struct _coeff_div {
+	u16 fs;
+	u32 rate;
+	u32 mclk;
+	u8 reg4;
+	u8 reg5;
+	u8 reg6;
+	u8 reg7;
+	u8 reg8;
+	u8 reg9;
+	u8 rega;
+	u8 regb;
+};
+
+/* codec hifi mclk clock divider coefficients */
+/* {ratio, LRCK, MCLK, REG04, REG05, REG06, REG07, REG08, REG09, REG10, REG11} */
+static const struct _coeff_div coeff_div[] = {
+	{32, 8000, 256000, 0x60, 0x00, 0x0F, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
+	{32, 16000, 512000, 0x20, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
+	{32, 44100, 1411200, 0x00, 0x00, 0x13, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{32, 48000, 1536000, 0x00, 0x00, 0x13, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{36, 8000, 288000, 0x20, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x23, 0x47},
+	{36, 16000, 576000, 0x20, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x23, 0x47},
+	{48, 8000, 384000, 0x60, 0x02, 0x1F, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
+	{48, 16000, 768000, 0x20, 0x02, 0x0F, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
+	{48, 48000, 2304000, 0x00, 0x02, 0x0D, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{64, 8000, 512000, 0x60, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
+	{64, 16000, 1024000, 0x20, 0x00, 0x05, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
+
+	{64, 44100, 2822400, 0x00, 0x00, 0x11, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{64, 48000, 3072000, 0x00, 0x00, 0x11, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{72, 8000, 576000, 0x20, 0x00, 0x13, 0x35, 0x0A, 0x1B, 0x23, 0x47},
+	{72, 16000, 1152000, 0x20, 0x00, 0x05, 0x75, 0x0A, 0x1B, 0x23, 0x47},
+	{96, 8000, 768000, 0x60, 0x02, 0x1D, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
+	{96, 16000, 1536000, 0x20, 0x02, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
+	{100, 48000, 4800000, 0x04, 0x04, 0x3F, 0x6D, 0x38, 0x08, 0x4f, 0x1f},
+	{125, 48000, 6000000, 0x04, 0x04, 0x1F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
+	{128, 8000, 1024000, 0x60, 0x00, 0x13, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{128, 16000, 2048000, 0x20, 0x00, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+
+	{128, 44100, 5644800, 0x00, 0x00, 0x01, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{128, 48000, 6144000, 0x00, 0x00, 0x01, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{144, 8000, 1152000, 0x20, 0x00, 0x03, 0x35, 0x0A, 0x1B, 0x23, 0x47},
+	{144, 16000, 2304000, 0x20, 0x00, 0x11, 0x35, 0x0A, 0x1B, 0x23, 0x47},
+	{192, 8000, 1536000, 0x60, 0x02, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
+	{192, 16000, 3072000, 0x20, 0x02, 0x05, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
+	{200, 48000, 9600000, 0x04, 0x04, 0x0F, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{250, 48000, 12000000, 0x04, 0x04, 0x0F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
+	{256, 8000, 2048000, 0x60, 0x00, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{256, 16000, 4096000, 0x20, 0x00, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+
+	{256, 44100, 11289600, 0x00, 0x00, 0x10, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{256, 48000, 12288000, 0x00, 0x00, 0x30, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{288, 8000, 2304000, 0x20, 0x00, 0x01, 0x35, 0x0A, 0x1B, 0x23, 0x47},
+	{384, 8000, 3072000, 0x60, 0x02, 0x05, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
+	{384, 16000, 6144000, 0x20, 0x02, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+	{384, 48000, 18432000, 0x00, 0x02, 0x01, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{400, 48000, 19200000, 0x09, 0x04, 0x0f, 0x6d, 0x3a, 0x0A, 0x4F, 0x1F},
+	{500, 48000, 24000000, 0x18, 0x04, 0x1F, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{512, 8000, 4096000, 0x60, 0x00, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{512, 16000, 8192000, 0x20, 0x00, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+
+	{512, 44100, 22579200, 0x00, 0x00, 0x00, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{512, 48000, 24576000, 0x00, 0x00, 0x00, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{768, 8000, 6144000, 0x60, 0x02, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{768, 16000, 12288000, 0x20, 0x02, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+	{800, 48000, 38400000, 0x00, 0x18, 0x13, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
+	{1024, 8000, 8192000, 0x60, 0x00, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{1024, 16000, 16384000, 0x20, 0x00, 0x00, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+	{1152, 16000, 18432000, 0x20, 0x08, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+	{1536, 8000, 12288000, 0x60, 0x02, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+
+	{1536, 16000, 24576000, 0x20, 0x02, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
+	{1625, 8000, 13000000, 0x0C, 0x18, 0x1F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
+	{1625, 16000, 26000000, 0x0C, 0x18, 0x1F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
+	{2048, 8000, 16384000, 0x60, 0x00, 0x00, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{2304, 8000, 18432000, 0x40, 0x02, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x5F},
+	{3072, 8000, 24576000, 0x60, 0x02, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
+	{3250, 8000, 26000000, 0x0C, 0x18, 0x0F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
+
+};
+
+static inline int get_coeff(int mclk, int rate)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+		if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+			return i;
+	}
+
+	return -EINVAL;
+}
+
+static int es8326_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+				 int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_component *codec = codec_dai->component;
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec);
+
+	es8326->sysclk = freq;
+
+	return 0;
+}
+
+static int es8326_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+	struct snd_soc_component *component = codec_dai->component;
+	u8 iface = 0;
+
+	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+	case SND_SOC_DAIFMT_CBC_CFP:
+		snd_soc_component_update_bits(component, ES8326_RESET,
+					      ES8326_MASTER_MODE_EN, ES8326_MASTER_MODE_EN);
+		break;
+	case SND_SOC_DAIFMT_CBC_CFC:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* interface format */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		dev_err(component->dev, "Codec driver does not support right justified\n");
+		return -EINVAL;
+	case SND_SOC_DAIFMT_LEFT_J:
+		iface |= ES8326_DAIFMT_LEFT_J;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		iface |= ES8326_DAIFMT_DSP_A;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		iface |= ES8326_DAIFMT_DSP_B;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DAIFMT_MASK, iface);
+
+	return 0;
+}
+
+static int es8326_pcm_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params,
+				struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
+	u8 srate = 0;
+	int coeff;
+
+	coeff = get_coeff(es8326->sysclk, params_rate(params));
+	/* bit size */
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		srate |= ES8326_S16_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		srate |= ES8326_S20_3_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S18_3LE:
+		srate |= ES8326_S18_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S24_LE:
+		srate |= ES8326_S24_LE;
+		break;
+	case SNDRV_PCM_FORMAT_S32_LE:
+		srate |= ES8326_S32_LE;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* set iface & srate */
+	snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DATA_LEN_MASK, srate);
+
+	if (coeff >= 0) {
+		regmap_write(es8326->regmap,  ES8326_CLK_DIV1,
+			     coeff_div[coeff].reg4);
+		regmap_write(es8326->regmap,  ES8326_CLK_DIV2,
+			     coeff_div[coeff].reg5);
+		regmap_write(es8326->regmap,  ES8326_CLK_DLL,
+			     coeff_div[coeff].reg6);
+		regmap_write(es8326->regmap,  ES8326_CLK_MUX,
+			     coeff_div[coeff].reg7);
+		regmap_write(es8326->regmap,  ES8326_CLK_ADC_SEL,
+			     coeff_div[coeff].reg8);
+		regmap_write(es8326->regmap,  ES8326_CLK_DAC_SEL,
+			     coeff_div[coeff].reg9);
+		regmap_write(es8326->regmap,  ES8326_CLK_ADC_OSR,
+			     coeff_div[coeff].rega);
+		regmap_write(es8326->regmap,  ES8326_CLK_DAC_OSR,
+			     coeff_div[coeff].regb);
+	} else {
+		dev_warn(component->dev, "Clock coefficients do not match");
+	}
+
+	return 0;
+}
+
+static int es8326_set_bias_level(struct snd_soc_component *codec,
+				 enum snd_soc_bias_level level)
+{
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec);
+	int ret;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		ret = clk_prepare_enable(es8326->mclk);
+		if (ret)
+			return ret;
+		regmap_write(es8326->regmap, ES8326_RESET, ES8326_PWRUP_SEQ_EN);
+		regmap_write(es8326->regmap, ES8326_INTOUT_IO, 0x45);
+		regmap_write(es8326->regmap, ES8326_SDINOUT1_IO,
+			    (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT));
+		regmap_write(es8326->regmap, ES8326_SDINOUT23_IO, ES8326_IO_INPUT);
+		regmap_write(es8326->regmap, ES8326_CLK_RESAMPLE, 0x05);
+		regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x02);
+		regmap_write(es8326->regmap, ES8326_PGA_PDN, 0x40);
+		regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0xAA);
+		regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_ON);
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		break;
+	case SND_SOC_BIAS_OFF:
+		clk_disable_unprepare(es8326->mclk);
+		regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x11);
+		regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_OFF);
+		regmap_write(es8326->regmap, ES8326_PGA_PDN, 0xF8);
+		regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x00);
+		regmap_write(es8326->regmap, ES8326_INT_SOURCE, 0x08);
+		regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT);
+		regmap_write(es8326->regmap, ES8326_SDINOUT23_IO, ES8326_IO_INPUT);
+		regmap_write(es8326->regmap, ES8326_RESET,
+			     ES8326_CODEC_RESET | ES8326_PWRUP_SEQ_EN);
+		break;
+	}
+
+	return 0;
+}
+
+#define es8326_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+	SNDRV_PCM_FMTBIT_S24_LE)
+
+static const struct snd_soc_dai_ops es8326_ops = {
+	.hw_params = es8326_pcm_hw_params,
+	.set_fmt = es8326_set_dai_fmt,
+	.set_sysclk = es8326_set_dai_sysclk,
+};
+
+static struct snd_soc_dai_driver es8326_dai = {
+	.name = "ES8326 HiFi",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = es8326_FORMATS,
+		},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_8000_48000,
+		.formats = es8326_FORMATS,
+		},
+	.ops = &es8326_ops,
+	.symmetric_rate = 1,
+};
+
+static void es8326_enable_micbias(struct snd_soc_component *component)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+
+	snd_soc_dapm_mutex_lock(dapm);
+	snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS1");
+	snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS2");
+	snd_soc_dapm_sync_unlocked(dapm);
+	snd_soc_dapm_mutex_unlock(dapm);
+}
+
+static void es8326_disable_micbias(struct snd_soc_component *component)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+
+	snd_soc_dapm_mutex_lock(dapm);
+	snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS1");
+	snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS2");
+	snd_soc_dapm_sync_unlocked(dapm);
+	snd_soc_dapm_mutex_unlock(dapm);
+}
+
+/*
+ *	For button detection, set the following in soundcard
+ *	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ *	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ *	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ */
+static void es8326_jack_button_handler(struct work_struct *work)
+{
+	struct es8326_priv *es8326 =
+		container_of(work, struct es8326_priv, button_press_work.work);
+	struct snd_soc_component *comp = es8326->component;
+	unsigned int iface;
+	static int button_to_report, press_count;
+	static int prev_button, cur_button;
+
+	if (!(es8326->jack->status & SND_JACK_HEADSET)) /* Jack unplugged */
+		return;
+
+	mutex_lock(&es8326->lock);
+	iface = snd_soc_component_read(comp, ES8326_HP_DETECT);
+	switch (iface) {
+	case 0x93:
+		/* pause button detected */
+		cur_button = SND_JACK_BTN_0;
+		break;
+	case 0x6f:
+		/* button volume up */
+		cur_button = SND_JACK_BTN_1;
+		break;
+	case 0x27:
+		/* button volume down */
+		cur_button = SND_JACK_BTN_2;
+		break;
+	case 0x1e:
+		/* button released or not pressed */
+		cur_button = 0;
+		break;
+	default:
+		break;
+	}
+
+	if ((prev_button == cur_button) && (cur_button != 0)) {
+		press_count++;
+		if (press_count > 10) {
+			/* report a press every 500ms */
+			snd_soc_jack_report(es8326->jack, cur_button,
+					SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
+			press_count = 0;
+		}
+		button_to_report = cur_button;
+		queue_delayed_work(system_wq, &es8326->button_press_work,
+				   msecs_to_jiffies(50));
+	} else if (prev_button != cur_button) {
+		/* mismatch, detect again */
+		prev_button = cur_button;
+		queue_delayed_work(system_wq, &es8326->button_press_work,
+				   msecs_to_jiffies(50));
+	} else {
+		/* released or no pressed */
+		if (button_to_report != 0) {
+			snd_soc_jack_report(es8326->jack, button_to_report,
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
+			snd_soc_jack_report(es8326->jack, 0,
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
+			button_to_report = 0;
+		}
+	}
+	mutex_unlock(&es8326->lock);
+}
+
+static void es8326_jack_detect_handler(struct work_struct *work)
+{
+	struct es8326_priv *es8326 =
+		container_of(work, struct es8326_priv, jack_detect_work.work);
+	struct snd_soc_component *comp = es8326->component;
+	unsigned int iface;
+
+	mutex_lock(&es8326->lock);
+	iface = snd_soc_component_read(comp, ES8326_HP_DETECT);
+	dev_dbg(comp->dev, "gpio flag %#04x", iface);
+	if ((iface & ES8326_HPINSERT_FLAG) == 0) {
+		/* Jack unplugged or spurious IRQ */
+		dev_dbg(comp->dev, "No headset detected");
+		if (es8326->jack->status & SND_JACK_HEADPHONE) {
+			snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
+			snd_soc_component_write(comp, ES8326_ADC1_SRC, es8326->mic2_src);
+			es8326_disable_micbias(comp);
+		}
+	} else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) {
+		if (es8326->jack->status & SND_JACK_HEADSET) {
+			/* detect button */
+			queue_delayed_work(system_wq, &es8326->button_press_work, 10);
+		} else {
+			if ((iface & ES8326_HPBUTTON_FLAG) == 0x00) {
+				dev_dbg(comp->dev, "Headset detected");
+				snd_soc_jack_report(es8326->jack,
+						    SND_JACK_HEADSET, SND_JACK_HEADSET);
+				snd_soc_component_write(comp,
+							ES8326_ADC1_SRC, es8326->mic1_src);
+			} else {
+				dev_dbg(comp->dev, "Headphone detected");
+				snd_soc_jack_report(es8326->jack,
+						    SND_JACK_HEADPHONE, SND_JACK_HEADSET);
+			}
+		}
+	}
+	mutex_unlock(&es8326->lock);
+}
+
+static irqreturn_t es8326_irq(int irq, void *dev_id)
+{
+	struct es8326_priv *es8326 = dev_id;
+	struct snd_soc_component *comp = es8326->component;
+
+	if (!es8326->jack)
+		goto out;
+
+	es8326_enable_micbias(comp);
+
+	if (es8326->jack->status & SND_JACK_HEADSET)
+		queue_delayed_work(system_wq, &es8326->jack_detect_work,
+				   msecs_to_jiffies(10));
+	else
+		queue_delayed_work(system_wq, &es8326->jack_detect_work,
+				   msecs_to_jiffies(300));
+
+out:
+	return IRQ_HANDLED;
+}
+
+static int es8326_resume(struct snd_soc_component *component)
+{
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
+	unsigned int reg;
+
+	regcache_cache_only(es8326->regmap, false);
+	regcache_sync(es8326->regmap);
+
+	regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_ON);
+	/* Two channel ADC */
+	regmap_write(es8326->regmap, ES8326_PULLUP_CTL, 0x02);
+	regmap_write(es8326->regmap, ES8326_CLK_INV, 0x00);
+	regmap_write(es8326->regmap, ES8326_CLK_DIV_CPC, 0x1F);
+	regmap_write(es8326->regmap, ES8326_CLK_VMIDS1, 0xC8);
+	regmap_write(es8326->regmap, ES8326_CLK_VMIDS2, 0x88);
+	regmap_write(es8326->regmap, ES8326_CLK_CAL_TIME, 0x20);
+	regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x08);
+	regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x22);
+	regmap_write(es8326->regmap, ES8326_ADC1_SRC, es8326->mic1_src);
+	regmap_write(es8326->regmap, ES8326_ADC2_SRC, es8326->mic2_src);
+	regmap_write(es8326->regmap, ES8326_HPJACK_TIMER, 0x88);
+	regmap_write(es8326->regmap, ES8326_HP_DET,
+		     ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol);
+	regmap_write(es8326->regmap, ES8326_INT_SOURCE, es8326->interrupt_src);
+	regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk);
+	regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_ON);
+	snd_soc_component_update_bits(component, ES8326_PGAGAIN,
+				      ES8326_MIC_SEL_MASK, ES8326_MIC1_SEL);
+
+	regmap_read(es8326->regmap, ES8326_CHIP_VERSION, &reg);
+	if ((reg & ES8326_VERSION_B) == 1) {
+		regmap_write(es8326->regmap, ES8326_ANA_MICBIAS, 0xDD);
+		regmap_write(es8326->regmap, ES8326_ANA_VSEL, 0x7F);
+		regmap_write(es8326->regmap, ES8326_VMIDLOW, 0x0F);
+		/* enable button detect */
+		regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xA0);
+	}
+
+	es8326_irq(es8326->irq, es8326);
+	return 0;
+}
+
+static int es8326_suspend(struct snd_soc_component *component)
+{
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
+
+	cancel_delayed_work_sync(&es8326->jack_detect_work);
+	es8326_disable_micbias(component);
+
+	regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_OFF);
+	regcache_cache_only(es8326->regmap, true);
+	regcache_mark_dirty(es8326->regmap);
+
+	return 0;
+}
+
+static int es8326_probe(struct snd_soc_component *component)
+{
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	es8326->component = component;
+	es8326->jd_inverted = device_property_read_bool(component->dev,
+							"everest,jack-detect-inverted");
+
+	ret = device_property_read_u8(component->dev, "everest,mic1-src", &es8326->mic1_src);
+	if (ret != 0) {
+		dev_dbg(component->dev, "mic1-src return %d", ret);
+		es8326->mic1_src = ES8326_ADC_AMIC;
+	}
+	dev_dbg(component->dev, "mic1-src %x", es8326->mic1_src);
+
+	ret = device_property_read_u8(component->dev, "everest,mic2-src", &es8326->mic2_src);
+	if (ret != 0) {
+		dev_dbg(component->dev, "mic2-src return %d", ret);
+		es8326->mic2_src = ES8326_ADC_DMIC;
+	}
+	dev_dbg(component->dev, "mic2-src %x", es8326->mic2_src);
+
+	ret = device_property_read_u8(component->dev, "everest,jack-pol", &es8326->jack_pol);
+	if (ret != 0) {
+		dev_dbg(component->dev, "jack-pol return %d", ret);
+		es8326->jack_pol = ES8326_HP_DET_BUTTON_POL | ES8326_HP_TYPE_OMTP;
+	}
+	dev_dbg(component->dev, "jack-pol %x", es8326->jack_pol);
+
+	ret = device_property_read_u8(component->dev, "everest,interrupt-src", &es8326->jack_pol);
+	if (ret != 0) {
+		dev_dbg(component->dev, "interrupt-src return %d", ret);
+		es8326->interrupt_src = ES8326_HP_DET_SRC_PIN9;
+	}
+	dev_dbg(component->dev, "interrupt-src %x", es8326->interrupt_src);
+
+	ret = device_property_read_u8(component->dev, "everest,interrupt-clk", &es8326->jack_pol);
+	if (ret != 0) {
+		dev_dbg(component->dev, "interrupt-clk return %d", ret);
+		es8326->interrupt_clk = 0x45;
+	}
+	dev_dbg(component->dev, "interrupt-clk %x", es8326->interrupt_clk);
+
+	es8326_resume(component);
+	return 0;
+}
+
+static void es8326_enable_jack_detect(struct snd_soc_component *component,
+				struct snd_soc_jack *jack)
+{
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
+
+	mutex_lock(&es8326->lock);
+	if (es8326->jd_inverted)
+		snd_soc_component_update_bits(component, ES8326_HP_DET,
+					      ES8326_HP_DET_JACK_POL, ~es8326->jack_pol);
+	es8326->jack = jack;
+
+	mutex_unlock(&es8326->lock);
+	es8326_irq(es8326->irq, es8326);
+}
+
+static void es8326_disable_jack_detect(struct snd_soc_component *component)
+{
+	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
+
+	dev_dbg(component->dev, "Enter into %s\n", __func__);
+	if (!es8326->jack)
+		return; /* Already disabled (or never enabled) */
+	cancel_delayed_work_sync(&es8326->jack_detect_work);
+
+	mutex_lock(&es8326->lock);
+	if (es8326->jack->status & SND_JACK_MICROPHONE) {
+		es8326_disable_micbias(component);
+		snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
+	}
+	es8326->jack = NULL;
+	mutex_unlock(&es8326->lock);
+}
+
+static int es8326_set_jack(struct snd_soc_component *component,
+			struct snd_soc_jack *jack, void *data)
+{
+	if (jack)
+		es8326_enable_jack_detect(component, jack);
+	else
+		es8326_disable_jack_detect(component);
+
+	return 0;
+}
+
+static void es8326_remove(struct snd_soc_component *component)
+{
+	es8326_disable_jack_detect(component);
+	es8326_set_bias_level(component, SND_SOC_BIAS_OFF);
+}
+
+static const struct snd_soc_component_driver soc_component_dev_es8326 = {
+	.probe		= es8326_probe,
+	.remove		= es8326_remove,
+	.resume		= es8326_resume,
+	.suspend	= es8326_suspend,
+	.set_bias_level = es8326_set_bias_level,
+	.set_jack	= es8326_set_jack,
+	.dapm_widgets	= es8326_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(es8326_dapm_widgets),
+	.dapm_routes		= es8326_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(es8326_dapm_routes),
+	.controls		= es8326_snd_controls,
+	.num_controls		= ARRAY_SIZE(es8326_snd_controls),
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+};
+
+static int es8326_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
+{
+	struct es8326_priv *es8326;
+	int ret;
+
+	es8326 = devm_kzalloc(&i2c->dev, sizeof(struct es8326_priv), GFP_KERNEL);
+	if (!es8326)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, es8326);
+	es8326->i2c = i2c;
+	mutex_init(&es8326->lock);
+	es8326->regmap = devm_regmap_init_i2c(i2c, &es8326_regmap_config);
+	if (IS_ERR(es8326->regmap)) {
+		ret = PTR_ERR(es8326->regmap);
+		dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
+		return ret;
+	}
+
+	es8326->irq = i2c->irq;
+	INIT_DELAYED_WORK(&es8326->jack_detect_work,
+			  es8326_jack_detect_handler);
+	INIT_DELAYED_WORK(&es8326->button_press_work,
+			  es8326_jack_button_handler);
+	/* ES8316 is level-based while ES8326 is edge-based */
+	ret = devm_request_threaded_irq(&i2c->dev, es8326->irq, NULL, es8326_irq,
+					IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+					"es8326", es8326);
+	if (ret) {
+		dev_warn(&i2c->dev, "Failed to request IRQ: %d: %d\n",
+		es8326->irq, ret);
+		es8326->irq = -ENXIO;
+	}
+
+	es8326->mclk = devm_clk_get_optional(&i2c->dev, "mclk");
+	if (IS_ERR(es8326->mclk)) {
+		dev_err(&i2c->dev, "unable to get mclk\n");
+		return PTR_ERR(es8326->mclk);
+	}
+	if (!es8326->mclk)
+		dev_warn(&i2c->dev, "assuming static mclk\n");
+
+	ret = clk_prepare_enable(es8326->mclk);
+	if (ret) {
+		dev_err(&i2c->dev, "unable to enable mclk\n");
+		return ret;
+	}
+	return devm_snd_soc_register_component(&i2c->dev,
+					&soc_component_dev_es8326,
+					&es8326_dai, 1);
+}
+
+static const struct i2c_device_id es8326_i2c_id[] = {
+	{"es8326", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, es8326_i2c_id);
+
+#ifdef CONFIG_OF
+static const struct of_device_id es8326_of_match[] = {
+	{ .compatible = "everest,es8326", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, es8326_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id es8326_acpi_match[] = {
+	{"ESSX8326", 0},
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, es8326_acpi_match);
+#endif
+
+static struct i2c_driver es8326_i2c_driver = {
+	.driver = {
+		.name = "es8326",
+		.acpi_match_table = ACPI_PTR(es8326_acpi_match),
+		.of_match_table = of_match_ptr(es8326_of_match),
+	},
+	.probe = es8326_i2c_probe,
+	.id_table = es8326_i2c_id,
+};
+module_i2c_driver(es8326_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC es8326 driver");
+MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
+MODULE_LICENSE("GPL");