Initial import

1 files changed, 880 insertions, 0 deletions

diff --git a/sound/soc/codecs/adav80x.c b/sound/soc/codecs/adav80x.c
new file mode 100644
index 000000000..4373ada95
--- /dev/null
+++ b/sound/soc/codecs/adav80x.c
@@ -0,0 +1,880 @@
+/*
+ * ADAV80X Audio Codec driver supporting ADAV801, ADAV803
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Yi Li <yi.li@analog.com>
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+
+#include "adav80x.h"
+
+#define ADAV80X_PLAYBACK_CTRL	0x04
+#define ADAV80X_AUX_IN_CTRL	0x05
+#define ADAV80X_REC_CTRL	0x06
+#define ADAV80X_AUX_OUT_CTRL	0x07
+#define ADAV80X_DPATH_CTRL1	0x62
+#define ADAV80X_DPATH_CTRL2	0x63
+#define ADAV80X_DAC_CTRL1	0x64
+#define ADAV80X_DAC_CTRL2	0x65
+#define ADAV80X_DAC_CTRL3	0x66
+#define ADAV80X_DAC_L_VOL	0x68
+#define ADAV80X_DAC_R_VOL	0x69
+#define ADAV80X_PGA_L_VOL	0x6c
+#define ADAV80X_PGA_R_VOL	0x6d
+#define ADAV80X_ADC_CTRL1	0x6e
+#define ADAV80X_ADC_CTRL2	0x6f
+#define ADAV80X_ADC_L_VOL	0x70
+#define ADAV80X_ADC_R_VOL	0x71
+#define ADAV80X_PLL_CTRL1	0x74
+#define ADAV80X_PLL_CTRL2	0x75
+#define ADAV80X_ICLK_CTRL1	0x76
+#define ADAV80X_ICLK_CTRL2	0x77
+#define ADAV80X_PLL_CLK_SRC	0x78
+#define ADAV80X_PLL_OUTE	0x7a
+
+#define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll)	0x00
+#define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll)	(0x40 << (pll))
+#define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll)	(0x40 << (pll))
+
+#define ADAV80X_ICLK_CTRL1_DAC_SRC(src)		((src) << 5)
+#define ADAV80X_ICLK_CTRL1_ADC_SRC(src)		((src) << 2)
+#define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src)	(src)
+#define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src)	((src) << 3)
+
+#define ADAV80X_PLL_CTRL1_PLLDIV		0x10
+#define ADAV80X_PLL_CTRL1_PLLPD(pll)		(0x04 << (pll))
+#define ADAV80X_PLL_CTRL1_XTLPD			0x02
+
+#define ADAV80X_PLL_CTRL2_FIELD(pll, x)		((x) << ((pll) * 4))
+
+#define ADAV80X_PLL_CTRL2_FS_48(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
+#define ADAV80X_PLL_CTRL2_FS_32(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
+#define ADAV80X_PLL_CTRL2_FS_44(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)
+
+#define ADAV80X_PLL_CTRL2_SEL(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
+#define ADAV80X_PLL_CTRL2_DOUB(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
+#define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)
+
+#define ADAV80X_ADC_CTRL1_MODULATOR_MASK	0x80
+#define ADAV80X_ADC_CTRL1_MODULATOR_128FS	0x00
+#define ADAV80X_ADC_CTRL1_MODULATOR_64FS	0x80
+
+#define ADAV80X_DAC_CTRL1_PD			0x80
+
+#define ADAV80X_DAC_CTRL2_DIV1			0x00
+#define ADAV80X_DAC_CTRL2_DIV1_5		0x10
+#define ADAV80X_DAC_CTRL2_DIV2			0x20
+#define ADAV80X_DAC_CTRL2_DIV3			0x30
+#define ADAV80X_DAC_CTRL2_DIV_MASK		0x30
+
+#define ADAV80X_DAC_CTRL2_INTERPOL_256FS	0x00
+#define ADAV80X_DAC_CTRL2_INTERPOL_128FS	0x40
+#define ADAV80X_DAC_CTRL2_INTERPOL_64FS		0x80
+#define ADAV80X_DAC_CTRL2_INTERPOL_MASK		0xc0
+
+#define ADAV80X_DAC_CTRL2_DEEMPH_NONE		0x00
+#define ADAV80X_DAC_CTRL2_DEEMPH_44		0x01
+#define ADAV80X_DAC_CTRL2_DEEMPH_32		0x02
+#define ADAV80X_DAC_CTRL2_DEEMPH_48		0x03
+#define ADAV80X_DAC_CTRL2_DEEMPH_MASK		0x01
+
+#define ADAV80X_CAPTURE_MODE_MASTER		0x20
+#define ADAV80X_CAPTURE_WORD_LEN24		0x00
+#define ADAV80X_CAPTURE_WORD_LEN20		0x04
+#define ADAV80X_CAPTRUE_WORD_LEN18		0x08
+#define ADAV80X_CAPTURE_WORD_LEN16		0x0c
+#define ADAV80X_CAPTURE_WORD_LEN_MASK		0x0c
+
+#define ADAV80X_CAPTURE_MODE_LEFT_J		0x00
+#define ADAV80X_CAPTURE_MODE_I2S		0x01
+#define ADAV80X_CAPTURE_MODE_RIGHT_J		0x03
+#define ADAV80X_CAPTURE_MODE_MASK		0x03
+
+#define ADAV80X_PLAYBACK_MODE_MASTER		0x10
+#define ADAV80X_PLAYBACK_MODE_LEFT_J		0x00
+#define ADAV80X_PLAYBACK_MODE_I2S		0x01
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_24	0x04
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_20	0x05
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_18	0x06
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_16	0x07
+#define ADAV80X_PLAYBACK_MODE_MASK		0x07
+
+#define ADAV80X_PLL_OUTE_SYSCLKPD(x)		BIT(2 - (x))
+
+static struct reg_default adav80x_reg_defaults[] = {
+	{ ADAV80X_PLAYBACK_CTRL,	0x01 },
+	{ ADAV80X_AUX_IN_CTRL,		0x01 },
+	{ ADAV80X_REC_CTRL,		0x02 },
+	{ ADAV80X_AUX_OUT_CTRL,		0x01 },
+	{ ADAV80X_DPATH_CTRL1,		0xc0 },
+	{ ADAV80X_DPATH_CTRL2,		0x11 },
+	{ ADAV80X_DAC_CTRL1,		0x00 },
+	{ ADAV80X_DAC_CTRL2,		0x00 },
+	{ ADAV80X_DAC_CTRL3,		0x00 },
+	{ ADAV80X_DAC_L_VOL,		0xff },
+	{ ADAV80X_DAC_R_VOL,		0xff },
+	{ ADAV80X_PGA_L_VOL,		0x00 },
+	{ ADAV80X_PGA_R_VOL,		0x00 },
+	{ ADAV80X_ADC_CTRL1,		0x00 },
+	{ ADAV80X_ADC_CTRL2,		0x00 },
+	{ ADAV80X_ADC_L_VOL,		0xff },
+	{ ADAV80X_ADC_R_VOL,		0xff },
+	{ ADAV80X_PLL_CTRL1,		0x00 },
+	{ ADAV80X_PLL_CTRL2,		0x00 },
+	{ ADAV80X_ICLK_CTRL1,		0x00 },
+	{ ADAV80X_ICLK_CTRL2,		0x00 },
+	{ ADAV80X_PLL_CLK_SRC,		0x00 },
+	{ ADAV80X_PLL_OUTE,		0x00 },
+};
+
+struct adav80x {
+	struct regmap *regmap;
+
+	enum adav80x_clk_src clk_src;
+	unsigned int sysclk;
+	enum adav80x_pll_src pll_src;
+
+	unsigned int dai_fmt[2];
+	unsigned int rate;
+	bool deemph;
+	bool sysclk_pd[3];
+};
+
+static const char *adav80x_mux_text[] = {
+	"ADC",
+	"Playback",
+	"Aux Playback",
+};
+
+static const unsigned int adav80x_mux_values[] = {
+	0, 2, 3,
+};
+
+#define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
+	SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
+		ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
+		adav80x_mux_values)
+
+static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
+static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
+static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
+
+static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
+	SOC_DAPM_ENUM("Route", adav80x_aux_capture_enum);
+static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
+	SOC_DAPM_ENUM("Route", adav80x_capture_enum);
+static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
+	SOC_DAPM_ENUM("Route", adav80x_dac_enum);
+
+#define ADAV80X_MUX(name, ctrl) \
+	SND_SOC_DAPM_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
+
+static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
+	SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
+	SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),
+
+	SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),
+
+	SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
+
+	SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),
+
+	ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
+	ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
+	ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),
+
+	SND_SOC_DAPM_INPUT("VINR"),
+	SND_SOC_DAPM_INPUT("VINL"),
+	SND_SOC_DAPM_OUTPUT("VOUTR"),
+	SND_SOC_DAPM_OUTPUT("VOUTL"),
+
+	SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
+};
+
+static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
+			 struct snd_soc_dapm_widget *sink)
+{
+	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	const char *clk;
+
+	switch (adav80x->clk_src) {
+	case ADAV80X_CLK_PLL1:
+		clk = "PLL1";
+		break;
+	case ADAV80X_CLK_PLL2:
+		clk = "PLL2";
+		break;
+	case ADAV80X_CLK_XTAL:
+		clk = "OSC";
+		break;
+	default:
+		return 0;
+	}
+
+	return strcmp(source->name, clk) == 0;
+}
+
+static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
+			 struct snd_soc_dapm_widget *sink)
+{
+	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+	return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
+}
+
+
+static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
+	{ "DAC Select", "ADC", "ADC" },
+	{ "DAC Select", "Playback", "AIFIN" },
+	{ "DAC Select", "Aux Playback", "AIFAUXIN" },
+	{ "DAC", NULL,  "DAC Select" },
+
+	{ "Capture Select", "ADC", "ADC" },
+	{ "Capture Select", "Playback", "AIFIN" },
+	{ "Capture Select", "Aux Playback", "AIFAUXIN" },
+	{ "AIFOUT", NULL,  "Capture Select" },
+
+	{ "Aux Capture Select", "ADC", "ADC" },
+	{ "Aux Capture Select", "Playback", "AIFIN" },
+	{ "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
+	{ "AIFAUXOUT", NULL,  "Aux Capture Select" },
+
+	{ "VOUTR",  NULL, "DAC" },
+	{ "VOUTL",  NULL, "DAC" },
+
+	{ "Left PGA", NULL, "VINL" },
+	{ "Right PGA", NULL, "VINR" },
+	{ "ADC", NULL, "Left PGA" },
+	{ "ADC", NULL, "Right PGA" },
+
+	{ "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
+	{ "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
+	{ "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
+	{ "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
+	{ "PLL2", NULL, "OSC", adav80x_dapm_pll_check },
+
+	{ "ADC", NULL, "SYSCLK" },
+	{ "DAC", NULL, "SYSCLK" },
+	{ "AIFOUT", NULL, "SYSCLK" },
+	{ "AIFAUXOUT", NULL, "SYSCLK" },
+	{ "AIFIN", NULL, "SYSCLK" },
+	{ "AIFAUXIN", NULL, "SYSCLK" },
+};
+
+static int adav80x_set_deemph(struct snd_soc_codec *codec)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int val;
+
+	if (adav80x->deemph) {
+		switch (adav80x->rate) {
+		case 32000:
+			val = ADAV80X_DAC_CTRL2_DEEMPH_32;
+			break;
+		case 44100:
+			val = ADAV80X_DAC_CTRL2_DEEMPH_44;
+			break;
+		case 48000:
+		case 64000:
+		case 88200:
+		case 96000:
+			val = ADAV80X_DAC_CTRL2_DEEMPH_48;
+			break;
+		default:
+			val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
+			break;
+		}
+	} else {
+		val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
+	}
+
+	return regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
+		ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
+}
+
+static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int deemph = ucontrol->value.integer.value[0];
+
+	if (deemph > 1)
+		return -EINVAL;
+
+	adav80x->deemph = deemph;
+
+	return adav80x_set_deemph(codec);
+}
+
+static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+	ucontrol->value.integer.value[0] = adav80x->deemph;
+	return 0;
+};
+
+static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
+static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
+
+static const struct snd_kcontrol_new adav80x_controls[] = {
+	SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
+		ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
+	SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
+			ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
+
+	SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
+			ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),
+
+	SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
+	SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),
+
+	SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),
+
+	SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
+			adav80x_get_deemph, adav80x_put_deemph),
+};
+
+static unsigned int adav80x_port_ctrl_regs[2][2] = {
+	{ ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
+	{ ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
+};
+
+static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int capture = 0x00;
+	unsigned int playback = 0x00;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		capture |= ADAV80X_CAPTURE_MODE_MASTER;
+		playback |= ADAV80X_PLAYBACK_MODE_MASTER;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		capture |= ADAV80X_CAPTURE_MODE_I2S;
+		playback |= ADAV80X_PLAYBACK_MODE_I2S;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		capture |= ADAV80X_CAPTURE_MODE_LEFT_J;
+		playback |= ADAV80X_PLAYBACK_MODE_LEFT_J;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		capture |= ADAV80X_CAPTURE_MODE_RIGHT_J;
+		playback |= ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
+		ADAV80X_CAPTURE_MODE_MASK | ADAV80X_CAPTURE_MODE_MASTER,
+		capture);
+	regmap_write(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
+		playback);
+
+	adav80x->dai_fmt[dai->id] = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+
+	return 0;
+}
+
+static int adav80x_set_adc_clock(struct snd_soc_codec *codec,
+		unsigned int sample_rate)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int val;
+
+	if (sample_rate <= 48000)
+		val = ADAV80X_ADC_CTRL1_MODULATOR_128FS;
+	else
+		val = ADAV80X_ADC_CTRL1_MODULATOR_64FS;
+
+	regmap_update_bits(adav80x->regmap, ADAV80X_ADC_CTRL1,
+		ADAV80X_ADC_CTRL1_MODULATOR_MASK, val);
+
+	return 0;
+}
+
+static int adav80x_set_dac_clock(struct snd_soc_codec *codec,
+		unsigned int sample_rate)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int val;
+
+	if (sample_rate <= 48000)
+		val = ADAV80X_DAC_CTRL2_DIV1 | ADAV80X_DAC_CTRL2_INTERPOL_256FS;
+	else
+		val = ADAV80X_DAC_CTRL2_DIV2 | ADAV80X_DAC_CTRL2_INTERPOL_128FS;
+
+	regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
+		ADAV80X_DAC_CTRL2_DIV_MASK | ADAV80X_DAC_CTRL2_INTERPOL_MASK,
+		val);
+
+	return 0;
+}
+
+static int adav80x_set_capture_pcm_format(struct snd_soc_codec *codec,
+		struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int val;
+
+	switch (params_width(params)) {
+	case 16:
+		val = ADAV80X_CAPTURE_WORD_LEN16;
+		break;
+	case 18:
+		val = ADAV80X_CAPTRUE_WORD_LEN18;
+		break;
+	case 20:
+		val = ADAV80X_CAPTURE_WORD_LEN20;
+		break;
+	case 24:
+		val = ADAV80X_CAPTURE_WORD_LEN24;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
+		ADAV80X_CAPTURE_WORD_LEN_MASK, val);
+
+	return 0;
+}
+
+static int adav80x_set_playback_pcm_format(struct snd_soc_codec *codec,
+		struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int val;
+
+	if (adav80x->dai_fmt[dai->id] != SND_SOC_DAIFMT_RIGHT_J)
+		return 0;
+
+	switch (params_width(params)) {
+	case 16:
+		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_16;
+		break;
+	case 18:
+		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_18;
+		break;
+	case 20:
+		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_20;
+		break;
+	case 24:
+		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
+		ADAV80X_PLAYBACK_MODE_MASK, val);
+
+	return 0;
+}
+
+static int adav80x_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 adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int rate = params_rate(params);
+
+	if (rate * 256 != adav80x->sysclk)
+		return -EINVAL;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		adav80x_set_playback_pcm_format(codec, dai, params);
+		adav80x_set_dac_clock(codec, rate);
+	} else {
+		adav80x_set_capture_pcm_format(codec, dai, params);
+		adav80x_set_adc_clock(codec, rate);
+	}
+	adav80x->rate = rate;
+	adav80x_set_deemph(codec);
+
+	return 0;
+}
+
+static int adav80x_set_sysclk(struct snd_soc_codec *codec,
+			      int clk_id, int source,
+			      unsigned int freq, int dir)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+	if (dir == SND_SOC_CLOCK_IN) {
+		switch (clk_id) {
+		case ADAV80X_CLK_XIN:
+		case ADAV80X_CLK_XTAL:
+		case ADAV80X_CLK_MCLKI:
+		case ADAV80X_CLK_PLL1:
+		case ADAV80X_CLK_PLL2:
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		adav80x->sysclk = freq;
+
+		if (adav80x->clk_src != clk_id) {
+			unsigned int iclk_ctrl1, iclk_ctrl2;
+
+			adav80x->clk_src = clk_id;
+			if (clk_id == ADAV80X_CLK_XTAL)
+				clk_id = ADAV80X_CLK_XIN;
+
+			iclk_ctrl1 = ADAV80X_ICLK_CTRL1_DAC_SRC(clk_id) |
+					ADAV80X_ICLK_CTRL1_ADC_SRC(clk_id) |
+					ADAV80X_ICLK_CTRL1_ICLK2_SRC(clk_id);
+			iclk_ctrl2 = ADAV80X_ICLK_CTRL2_ICLK1_SRC(clk_id);
+
+			regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL1,
+				iclk_ctrl1);
+			regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL2,
+				iclk_ctrl2);
+
+			snd_soc_dapm_sync(dapm);
+		}
+	} else {
+		unsigned int mask;
+
+		switch (clk_id) {
+		case ADAV80X_CLK_SYSCLK1:
+		case ADAV80X_CLK_SYSCLK2:
+		case ADAV80X_CLK_SYSCLK3:
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		clk_id -= ADAV80X_CLK_SYSCLK1;
+		mask = ADAV80X_PLL_OUTE_SYSCLKPD(clk_id);
+
+		if (freq == 0) {
+			regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
+				mask, mask);
+			adav80x->sysclk_pd[clk_id] = true;
+		} else {
+			regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
+				mask, 0);
+			adav80x->sysclk_pd[clk_id] = false;
+		}
+
+		snd_soc_dapm_mutex_lock(dapm);
+
+		if (adav80x->sysclk_pd[0])
+			snd_soc_dapm_disable_pin_unlocked(dapm, "PLL1");
+		else
+			snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL1");
+
+		if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
+			snd_soc_dapm_disable_pin_unlocked(dapm, "PLL2");
+		else
+			snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL2");
+
+		snd_soc_dapm_sync_unlocked(dapm);
+
+		snd_soc_dapm_mutex_unlock(dapm);
+	}
+
+	return 0;
+}
+
+static int adav80x_set_pll(struct snd_soc_codec *codec, int pll_id,
+		int source, unsigned int freq_in, unsigned int freq_out)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int pll_ctrl1 = 0;
+	unsigned int pll_ctrl2 = 0;
+	unsigned int pll_src;
+
+	switch (source) {
+	case ADAV80X_PLL_SRC_XTAL:
+	case ADAV80X_PLL_SRC_XIN:
+	case ADAV80X_PLL_SRC_MCLKI:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (!freq_out)
+		return 0;
+
+	switch (freq_in) {
+	case 27000000:
+		break;
+	case 54000000:
+		if (source == ADAV80X_PLL_SRC_XIN) {
+			pll_ctrl1 |= ADAV80X_PLL_CTRL1_PLLDIV;
+			break;
+		}
+	default:
+		return -EINVAL;
+	}
+
+	if (freq_out > 12288000) {
+		pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
+		freq_out /= 2;
+	}
+
+	/* freq_out = sample_rate * 256 */
+	switch (freq_out) {
+	case 8192000:
+		pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
+		break;
+	case 11289600:
+		pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
+		break;
+	case 12288000:
+		pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL1,
+			ADAV80X_PLL_CTRL1_PLLDIV, pll_ctrl1);
+	regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL2,
+			ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);
+
+	if (source != adav80x->pll_src) {
+		if (source == ADAV80X_PLL_SRC_MCLKI)
+			pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
+		else
+			pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);
+
+		regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CLK_SRC,
+				ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);
+
+		adav80x->pll_src = source;
+
+		snd_soc_dapm_sync(&codec->dapm);
+	}
+
+	return 0;
+}
+
+static int adav80x_set_bias_level(struct snd_soc_codec *codec,
+		enum snd_soc_bias_level level)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+	unsigned int mask = ADAV80X_DAC_CTRL1_PD;
+
+	switch (level) {
+	case SND_SOC_BIAS_ON:
+		break;
+	case SND_SOC_BIAS_PREPARE:
+		break;
+	case SND_SOC_BIAS_STANDBY:
+		regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
+			0x00);
+		break;
+	case SND_SOC_BIAS_OFF:
+		regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
+			mask);
+		break;
+	}
+
+	codec->dapm.bias_level = level;
+	return 0;
+}
+
+/* Enforce the same sample rate on all audio interfaces */
+static int adav80x_dai_startup(struct snd_pcm_substream *substream,
+	struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+	if (!snd_soc_codec_is_active(codec) || !adav80x->rate)
+		return 0;
+
+	return snd_pcm_hw_constraint_minmax(substream->runtime,
+			SNDRV_PCM_HW_PARAM_RATE, adav80x->rate, adav80x->rate);
+}
+
+static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
+		struct snd_soc_dai *dai)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+	if (!snd_soc_codec_is_active(codec))
+		adav80x->rate = 0;
+}
+
+static const struct snd_soc_dai_ops adav80x_dai_ops = {
+	.set_fmt = adav80x_set_dai_fmt,
+	.hw_params = adav80x_hw_params,
+	.startup = adav80x_dai_startup,
+	.shutdown = adav80x_dai_shutdown,
+};
+
+#define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+	SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
+	SNDRV_PCM_RATE_96000)
+
+#define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
+
+#define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
+	SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_driver adav80x_dais[] = {
+	{
+		.name = "adav80x-hifi",
+		.id = 0,
+		.playback = {
+			.stream_name = "HiFi Playback",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = ADAV80X_PLAYBACK_RATES,
+			.formats = ADAV80X_FORMATS,
+	},
+		.capture = {
+			.stream_name = "HiFi Capture",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = ADAV80X_CAPTURE_RATES,
+			.formats = ADAV80X_FORMATS,
+		},
+		.ops = &adav80x_dai_ops,
+	},
+	{
+		.name = "adav80x-aux",
+		.id = 1,
+		.playback = {
+			.stream_name = "Aux Playback",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = ADAV80X_PLAYBACK_RATES,
+			.formats = ADAV80X_FORMATS,
+		},
+		.capture = {
+			.stream_name = "Aux Capture",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = ADAV80X_CAPTURE_RATES,
+			.formats = ADAV80X_FORMATS,
+		},
+		.ops = &adav80x_dai_ops,
+	},
+};
+
+static int adav80x_probe(struct snd_soc_codec *codec)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+	/* Force PLLs on for SYSCLK output */
+	snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
+	snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL2");
+
+	/* Power down S/PDIF receiver, since it is currently not supported */
+	regmap_write(adav80x->regmap, ADAV80X_PLL_OUTE, 0x20);
+	/* Disable DAC zero flag */
+	regmap_write(adav80x->regmap, ADAV80X_DAC_CTRL3, 0x6);
+
+	return 0;
+}
+
+static int adav80x_resume(struct snd_soc_codec *codec)
+{
+	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+	regcache_sync(adav80x->regmap);
+
+	return 0;
+}
+
+static struct snd_soc_codec_driver adav80x_codec_driver = {
+	.probe = adav80x_probe,
+	.resume = adav80x_resume,
+	.set_bias_level = adav80x_set_bias_level,
+	.suspend_bias_off = true,
+
+	.set_pll = adav80x_set_pll,
+	.set_sysclk = adav80x_set_sysclk,
+
+	.controls = adav80x_controls,
+	.num_controls = ARRAY_SIZE(adav80x_controls),
+	.dapm_widgets = adav80x_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(adav80x_dapm_widgets),
+	.dapm_routes = adav80x_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(adav80x_dapm_routes),
+};
+
+int adav80x_bus_probe(struct device *dev, struct regmap *regmap)
+{
+	struct adav80x *adav80x;
+
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	adav80x = devm_kzalloc(dev, sizeof(*adav80x), GFP_KERNEL);
+	if (!adav80x)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, adav80x);
+	adav80x->regmap = regmap;
+
+	return snd_soc_register_codec(dev, &adav80x_codec_driver,
+		adav80x_dais, ARRAY_SIZE(adav80x_dais));
+}
+EXPORT_SYMBOL_GPL(adav80x_bus_probe);
+
+const struct regmap_config adav80x_regmap_config = {
+	.val_bits = 8,
+	.pad_bits = 1,
+	.reg_bits = 7,
+	.read_flag_mask = 0x01,
+
+	.max_register = ADAV80X_PLL_OUTE,
+
+	.cache_type = REGCACHE_RBTREE,
+	.reg_defaults = adav80x_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(adav80x_reg_defaults),
+};
+EXPORT_SYMBOL_GPL(adav80x_regmap_config);
+
+MODULE_DESCRIPTION("ASoC ADAV80x driver");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
+MODULE_LICENSE("GPL");