1 files changed, 308 insertions, 275 deletions

diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 7233cc68435..a145d0431b6 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -1,6 +1,8 @@
 /*
  * wm8960.c  --  WM8960 ALSA SoC Audio driver
  *
+ * Copyright 2007-11 Wolfson Microelectronics, plc
+ *
  * Author: Liam Girdwood
  *
  * This program is free software; you can redistribute it and/or modify
@@ -14,23 +16,17 @@
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/i2c.h>
-#include <linux/platform_device.h>
 #include <linux/slab.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/wm8960.h>
 
 #include "wm8960.h"
 
-#define AUDIO_NAME "wm8960"
-
-struct snd_soc_codec_device soc_codec_dev_wm8960;
-
 /* R25 - Power 1 */
 #define WM8960_VMID_MASK 0x180
 #define WM8960_VREF      0x40
@@ -56,35 +52,84 @@ struct snd_soc_codec_device soc_codec_dev_wm8960;
  * We can't read the WM8960 register space when we are
  * using 2 wire for device control, so we cache them instead.
  */
-static const u16 wm8960_reg[WM8960_CACHEREGNUM] = {
-	0x0097, 0x0097, 0x0000, 0x0000,
-	0x0000, 0x0008, 0x0000, 0x000a,
-	0x01c0, 0x0000, 0x00ff, 0x00ff,
-	0x0000, 0x0000, 0x0000, 0x0000,
-	0x0000, 0x007b, 0x0100, 0x0032,
-	0x0000, 0x00c3, 0x00c3, 0x01c0,
-	0x0000, 0x0000, 0x0000, 0x0000,
-	0x0000, 0x0000, 0x0000, 0x0000,
-	0x0100, 0x0100, 0x0050, 0x0050,
-	0x0050, 0x0050, 0x0000, 0x0000,
-	0x0000, 0x0000, 0x0040, 0x0000,
-	0x0000, 0x0050, 0x0050, 0x0000,
-	0x0002, 0x0037, 0x004d, 0x0080,
-	0x0008, 0x0031, 0x0026, 0x00e9,
+static const struct reg_default wm8960_reg_defaults[] = {
+	{  0x0, 0x00a7 },
+	{  0x1, 0x00a7 },
+	{  0x2, 0x0000 },
+	{  0x3, 0x0000 },
+	{  0x4, 0x0000 },
+	{  0x5, 0x0008 },
+	{  0x6, 0x0000 },
+	{  0x7, 0x000a },
+	{  0x8, 0x01c0 },
+	{  0x9, 0x0000 },
+	{  0xa, 0x00ff },
+	{  0xb, 0x00ff },
+
+	{ 0x10, 0x0000 },
+	{ 0x11, 0x007b },
+	{ 0x12, 0x0100 },
+	{ 0x13, 0x0032 },
+	{ 0x14, 0x0000 },
+	{ 0x15, 0x00c3 },
+	{ 0x16, 0x00c3 },
+	{ 0x17, 0x01c0 },
+	{ 0x18, 0x0000 },
+	{ 0x19, 0x0000 },
+	{ 0x1a, 0x0000 },
+	{ 0x1b, 0x0000 },
+	{ 0x1c, 0x0000 },
+	{ 0x1d, 0x0000 },
+
+	{ 0x20, 0x0100 },
+	{ 0x21, 0x0100 },
+	{ 0x22, 0x0050 },
+
+	{ 0x25, 0x0050 },
+	{ 0x26, 0x0000 },
+	{ 0x27, 0x0000 },
+	{ 0x28, 0x0000 },
+	{ 0x29, 0x0000 },
+	{ 0x2a, 0x0040 },
+	{ 0x2b, 0x0000 },
+	{ 0x2c, 0x0000 },
+	{ 0x2d, 0x0050 },
+	{ 0x2e, 0x0050 },
+	{ 0x2f, 0x0000 },
+	{ 0x30, 0x0002 },
+	{ 0x31, 0x0037 },
+
+	{ 0x33, 0x0080 },
+	{ 0x34, 0x0008 },
+	{ 0x35, 0x0031 },
+	{ 0x36, 0x0026 },
+	{ 0x37, 0x00e9 },
 };
 
+static bool wm8960_volatile(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case WM8960_RESET:
+		return true;
+	default:
+		return false;
+	}
+}
+
 struct wm8960_priv {
-	u16 reg_cache[WM8960_CACHEREGNUM];
-	struct snd_soc_codec codec;
+	struct regmap *regmap;
+	int (*set_bias_level)(struct snd_soc_codec *,
+			      enum snd_soc_bias_level level);
 	struct snd_soc_dapm_widget *lout1;
 	struct snd_soc_dapm_widget *rout1;
 	struct snd_soc_dapm_widget *out3;
+	bool deemph;
+	int playback_fs;
 };
 
 #define wm8960_reset(c)	snd_soc_write(c, WM8960_RESET, 0)
 
 /* enumerated controls */
-static const char *wm8960_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
 static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
 	"Right Inverted", "Stereo Inversion"};
 static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
@@ -93,7 +138,6 @@ static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
 static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
 
 static const struct soc_enum wm8960_enum[] = {
-	SOC_ENUM_SINGLE(WM8960_DACCTL1, 1, 4, wm8960_deemph),
 	SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
 	SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
 	SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
@@ -102,10 +146,65 @@ static const struct soc_enum wm8960_enum[] = {
 	SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
 };
 
+static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
+
+static int wm8960_set_deemph(struct snd_soc_codec *codec)
+{
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+	int val, i, best;
+
+	/* If we're using deemphasis select the nearest available sample
+	 * rate.
+	 */
+	if (wm8960->deemph) {
+		best = 1;
+		for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
+			if (abs(deemph_settings[i] - wm8960->playback_fs) <
+			    abs(deemph_settings[best] - wm8960->playback_fs))
+				best = i;
+		}
+
+		val = best << 1;
+	} else {
+		val = 0;
+	}
+
+	dev_dbg(codec->dev, "Set deemphasis %d\n", val);
+
+	return snd_soc_update_bits(codec, WM8960_DACCTL1,
+				   0x6, val);
+}
+
+static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
+			     struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+
+	ucontrol->value.enumerated.item[0] = wm8960->deemph;
+	return 0;
+}
+
+static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
+			     struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+	int deemph = ucontrol->value.enumerated.item[0];
+
+	if (deemph > 1)
+		return -EINVAL;
+
+	wm8960->deemph = deemph;
+
+	return wm8960_set_deemph(codec);
+}
+
 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
+static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
 
 static const struct snd_kcontrol_new wm8960_snd_controls[] = {
 SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
@@ -115,6 +214,15 @@ SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
 SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
 	7, 1, 0),
 
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
+	       WM8960_INBMIX1, 4, 7, 0, boost_tlv),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
+	       WM8960_INBMIX1, 1, 7, 0, boost_tlv),
+SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
+	       WM8960_INBMIX2, 4, 7, 0, boost_tlv),
+SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
+	       WM8960_INBMIX2, 1, 7, 0, boost_tlv),
+
 SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
 		 0, 255, 0, dac_tlv),
 
@@ -131,31 +239,32 @@ SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
 SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
 
 SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
-SOC_ENUM("ADC Polarity", wm8960_enum[1]),
-SOC_ENUM("Playback De-emphasis", wm8960_enum[0]),
+SOC_ENUM("ADC Polarity", wm8960_enum[0]),
 SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
 
 SOC_ENUM("DAC Polarity", wm8960_enum[2]),
+SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
+		    wm8960_get_deemph, wm8960_put_deemph),
 
-SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[3]),
-SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[4]),
+SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
+SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
 SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
 SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
 
-SOC_ENUM("ALC Function", wm8960_enum[5]),
+SOC_ENUM("ALC Function", wm8960_enum[4]),
 SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
 SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
 SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
 SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
-SOC_ENUM("ALC Mode", wm8960_enum[6]),
+SOC_ENUM("ALC Mode", wm8960_enum[5]),
 SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
 SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
 
 SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
 SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
 
-SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH,
-	0, 127, 0),
+SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
+	0, 255, 0, adc_tlv),
 
 SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
 	       WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
@@ -212,7 +321,7 @@ SND_SOC_DAPM_INPUT("RINPUT2"),
 SND_SOC_DAPM_INPUT("LINPUT3"),
 SND_SOC_DAPM_INPUT("RINPUT3"),
 
-SND_SOC_DAPM_MICBIAS("MICB", WM8960_POWER1, 1, 0),
+SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0),
 
 SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
 		   wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
@@ -224,8 +333,8 @@ SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
 SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
 		   wm8960_rin, ARRAY_SIZE(wm8960_rin)),
 
-SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER2, 3, 0),
-SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER2, 2, 0),
+SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0),
+SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0),
 
 SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
 SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
@@ -333,27 +442,28 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
 {
 	struct wm8960_data *pdata = codec->dev->platform_data;
 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
 	struct snd_soc_dapm_widget *w;
 
-	snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets,
+	snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
 				  ARRAY_SIZE(wm8960_dapm_widgets));
 
-	snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
+	snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
 
 	/* In capless mode OUT3 is used to provide VMID for the
 	 * headphone outputs, otherwise it is used as a mono mixer.
 	 */
 	if (pdata && pdata->capless) {
-		snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_capless,
+		snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless,
 					  ARRAY_SIZE(wm8960_dapm_widgets_capless));
 
-		snd_soc_dapm_add_routes(codec, audio_paths_capless,
+		snd_soc_dapm_add_routes(dapm, audio_paths_capless,
 					ARRAY_SIZE(audio_paths_capless));
 	} else {
-		snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_out3,
+		snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3,
 					  ARRAY_SIZE(wm8960_dapm_widgets_out3));
 
-		snd_soc_dapm_add_routes(codec, audio_paths_out3,
+		snd_soc_dapm_add_routes(dapm, audio_paths_out3,
 					ARRAY_SIZE(audio_paths_out3));
 	}
 
@@ -362,7 +472,9 @@ static int wm8960_add_widgets(struct snd_soc_codec *codec)
 	 * list each time to find the desired power state do so now
 	 * and save the result.
 	 */
-	list_for_each_entry(w, &codec->dapm_widgets, list) {
+	list_for_each_entry(w, &codec->card->widgets, list) {
+		if (w->dapm != &codec->dapm)
+			continue;
 		if (strcmp(w->name, "LOUT1 PGA") == 0)
 			wm8960->lout1 = w;
 		if (strcmp(w->name, "ROUT1 PGA") == 0)
@@ -433,25 +545,59 @@ static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
 	return 0;
 }
 
+static struct {
+	int rate;
+	unsigned int val;
+} alc_rates[] = {
+	{ 48000, 0 },
+	{ 44100, 0 },
+	{ 32000, 1 },
+	{ 22050, 2 },
+	{ 24000, 2 },
+	{ 16000, 3 },
+	{ 11250, 4 },
+	{ 12000, 4 },
+	{  8000, 5 },
+};
+
 static int wm8960_hw_params(struct snd_pcm_substream *substream,
 			    struct snd_pcm_hw_params *params,
 			    struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_device *socdev = rtd->socdev;
-	struct snd_soc_codec *codec = socdev->card->codec;
+	struct snd_soc_codec *codec = dai->codec;
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 	u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
+	snd_pcm_format_t format = params_format(params);
+	int i;
 
 	/* bit size */
-	switch (params_format(params)) {
+	switch (format) {
 	case SNDRV_PCM_FORMAT_S16_LE:
+	case SNDRV_PCM_FORMAT_S16_BE:
 		break;
 	case SNDRV_PCM_FORMAT_S20_3LE:
+	case SNDRV_PCM_FORMAT_S20_3BE:
 		iface |= 0x0004;
 		break;
 	case SNDRV_PCM_FORMAT_S24_LE:
+	case SNDRV_PCM_FORMAT_S24_BE:
 		iface |= 0x0008;
 		break;
+	default:
+		dev_err(codec->dev, "unsupported format %i\n", format);
+		return -EINVAL;
+	}
+
+	/* Update filters for the new rate */
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		wm8960->playback_fs = params_rate(params);
+		wm8960_set_deemph(codec);
+	} else {
+		for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
+			if (alc_rates[i].rate == params_rate(params))
+				snd_soc_update_bits(codec,
+						    WM8960_ADDCTL3, 0x7,
+						    alc_rates[i].val);
 	}
 
 	/* set iface */
@@ -462,19 +608,18 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
 static int wm8960_mute(struct snd_soc_dai *dai, int mute)
 {
 	struct snd_soc_codec *codec = dai->codec;
-	u16 mute_reg = snd_soc_read(codec, WM8960_DACCTL1) & 0xfff7;
 
 	if (mute)
-		snd_soc_write(codec, WM8960_DACCTL1, mute_reg | 0x8);
+		snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8);
 	else
-		snd_soc_write(codec, WM8960_DACCTL1, mute_reg);
+		snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0);
 	return 0;
 }
 
 static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 				      enum snd_soc_bias_level level)
 {
-	u16 reg;
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 
 	switch (level) {
 	case SND_SOC_BIAS_ON:
@@ -482,37 +627,32 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 
 	case SND_SOC_BIAS_PREPARE:
 		/* Set VMID to 2x50k */
-		reg = snd_soc_read(codec, WM8960_POWER1);
-		reg &= ~0x180;
-		reg |= 0x80;
-		snd_soc_write(codec, WM8960_POWER1, reg);
+		snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
-		if (codec->bias_level == SND_SOC_BIAS_OFF) {
+		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+			regcache_sync(wm8960->regmap);
+
 			/* Enable anti-pop features */
 			snd_soc_write(codec, WM8960_APOP1,
 				      WM8960_POBCTRL | WM8960_SOFT_ST |
 				      WM8960_BUFDCOPEN | WM8960_BUFIOEN);
 
 			/* Enable & ramp VMID at 2x50k */
-			reg = snd_soc_read(codec, WM8960_POWER1);
-			reg |= 0x80;
-			snd_soc_write(codec, WM8960_POWER1, reg);
+			snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80);
 			msleep(100);
 
 			/* Enable VREF */
-			snd_soc_write(codec, WM8960_POWER1, reg | WM8960_VREF);
+			snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF,
+					    WM8960_VREF);
 
 			/* Disable anti-pop features */
 			snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
 		}
 
 		/* Set VMID to 2x250k */
-		reg = snd_soc_read(codec, WM8960_POWER1);
-		reg &= ~0x180;
-		reg |= 0x100;
-		snd_soc_write(codec, WM8960_POWER1, reg);
+		snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100);
 		break;
 
 	case SND_SOC_BIAS_OFF:
@@ -527,7 +667,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 		break;
 	}
 
-	codec->bias_level = level;
+	codec->dapm.bias_level = level;
 
 	return 0;
 }
@@ -543,7 +683,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
 		break;
 
 	case SND_SOC_BIAS_PREPARE:
-		switch (codec->bias_level) {
+		switch (codec->dapm.bias_level) {
 		case SND_SOC_BIAS_STANDBY:
 			/* Enable anti pop mode */
 			snd_soc_update_bits(codec, WM8960_APOP1,
@@ -592,13 +732,16 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
 					    WM8960_VREF | WM8960_VMID_MASK, 0);
 			break;
 
+		case SND_SOC_BIAS_OFF:
+			regcache_sync(wm8960->regmap);
+			break;
 		default:
 			break;
 		}
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
-		switch (codec->bias_level) {
+		switch (codec->dapm.bias_level) {
 		case SND_SOC_BIAS_PREPARE:
 			/* Disable HP discharge */
 			snd_soc_update_bits(codec, WM8960_APOP2,
@@ -622,7 +765,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
 		break;
 	}
 
-	codec->bias_level = level;
+	codec->dapm.bias_level = level;
 
 	return 0;
 }
@@ -701,10 +844,8 @@ static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 
 	/* Disable the PLL: even if we are changing the frequency the
 	 * PLL needs to be disabled while we do so. */
-	snd_soc_write(codec, WM8960_CLOCK1,
-		     snd_soc_read(codec, WM8960_CLOCK1) & ~1);
-	snd_soc_write(codec, WM8960_POWER2,
-		     snd_soc_read(codec, WM8960_POWER2) & ~1);
+	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0);
+	snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0);
 
 	if (!freq_in || !freq_out)
 		return 0;
@@ -716,18 +857,16 @@ static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 	if (pll_div.k) {
 		reg |= 0x20;
 
-		snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
-		snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
-		snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
+		snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
+		snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
+		snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff);
 	}
 	snd_soc_write(codec, WM8960_PLL1, reg);
 
 	/* Turn it on */
-	snd_soc_write(codec, WM8960_POWER2,
-		     snd_soc_read(codec, WM8960_POWER2) | 1);
+	snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1);
 	msleep(250);
-	snd_soc_write(codec, WM8960_CLOCK1,
-		     snd_soc_read(codec, WM8960_CLOCK1) | 1);
+	snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1);
 
 	return 0;
 }
@@ -766,13 +905,21 @@ static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
 	return 0;
 }
 
+static int wm8960_set_bias_level(struct snd_soc_codec *codec,
+				 enum snd_soc_bias_level level)
+{
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+
+	return wm8960->set_bias_level(codec, level);
+}
+
 #define WM8960_RATES SNDRV_PCM_RATE_8000_48000
 
 #define WM8960_FORMATS \
 	(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 	SNDRV_PCM_FMTBIT_S24_LE)
 
-static struct snd_soc_dai_ops wm8960_dai_ops = {
+static const struct snd_soc_dai_ops wm8960_dai_ops = {
 	.hw_params = wm8960_hw_params,
 	.digital_mute = wm8960_mute,
 	.set_fmt = wm8960_set_dai_fmt,
@@ -780,8 +927,8 @@ static struct snd_soc_dai_ops wm8960_dai_ops = {
 	.set_pll = wm8960_set_dai_pll,
 };
 
-struct snd_soc_dai wm8960_dai = {
-	.name = "WM8960",
+static struct snd_soc_dai_driver wm8960_dai = {
+	.name = "wm8960-hifi",
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 1,
@@ -797,226 +944,131 @@ struct snd_soc_dai wm8960_dai = {
 	.ops = &wm8960_dai_ops,
 	.symmetric_rates = 1,
 };
-EXPORT_SYMBOL_GPL(wm8960_dai);
-
-static int wm8960_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec = socdev->card->codec;
-
-	codec->set_bias_level(codec, SND_SOC_BIAS_OFF);
-	return 0;
-}
 
-static int wm8960_resume(struct platform_device *pdev)
+static int wm8960_suspend(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec = socdev->card->codec;
-	int i;
-	u8 data[2];
-	u16 *cache = codec->reg_cache;
-
-	/* Sync reg_cache with the hardware */
-	for (i = 0; i < ARRAY_SIZE(wm8960_reg); i++) {
-		data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
-		data[1] = cache[i] & 0x00ff;
-		codec->hw_write(codec->control_data, data, 2);
-	}
-
-	codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 
+	wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }
 
-static struct snd_soc_codec *wm8960_codec;
-
-static int wm8960_probe(struct platform_device *pdev)
+static int wm8960_resume(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec;
-	int ret = 0;
-
-	if (wm8960_codec == NULL) {
-		dev_err(&pdev->dev, "Codec device not registered\n");
-		return -ENODEV;
-	}
-
-	socdev->card->codec = wm8960_codec;
-	codec = wm8960_codec;
-
-	/* register pcms */
-	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-	if (ret < 0) {
-		dev_err(codec->dev, "failed to create pcms: %d\n", ret);
-		goto pcm_err;
-	}
-
-	snd_soc_add_controls(codec, wm8960_snd_controls,
-			     ARRAY_SIZE(wm8960_snd_controls));
-	wm8960_add_widgets(codec);
-
-	return ret;
-
-pcm_err:
-	return ret;
-}
-
-/* power down chip */
-static int wm8960_remove(struct platform_device *pdev)
-{
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
-	snd_soc_free_pcms(socdev);
-	snd_soc_dapm_free(socdev);
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 
+	wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 	return 0;
 }
 
-struct snd_soc_codec_device soc_codec_dev_wm8960 = {
-	.probe = 	wm8960_probe,
-	.remove = 	wm8960_remove,
-	.suspend = 	wm8960_suspend,
-	.resume =	wm8960_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8960);
-
-static int wm8960_register(struct wm8960_priv *wm8960,
-			   enum snd_soc_control_type control)
+static int wm8960_probe(struct snd_soc_codec *codec)
 {
-	struct wm8960_data *pdata = wm8960->codec.dev->platform_data;
-	struct snd_soc_codec *codec = &wm8960->codec;
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+	struct wm8960_data *pdata = dev_get_platdata(codec->dev);
 	int ret;
-	u16 reg;
 
-	if (wm8960_codec) {
-		dev_err(codec->dev, "Another WM8960 is registered\n");
-		ret = -EINVAL;
-		goto err;
-	}
-
-	codec->set_bias_level = wm8960_set_bias_level_out3;
+	wm8960->set_bias_level = wm8960_set_bias_level_out3;
 
 	if (!pdata) {
 		dev_warn(codec->dev, "No platform data supplied\n");
 	} else {
-		if (pdata->dres > WM8960_DRES_MAX) {
-			dev_err(codec->dev, "Invalid DRES: %d\n", pdata->dres);
-			pdata->dres = 0;
-		}
-
 		if (pdata->capless)
-			codec->set_bias_level = wm8960_set_bias_level_capless;
-	}
-
-	mutex_init(&codec->mutex);
-	INIT_LIST_HEAD(&codec->dapm_widgets);
-	INIT_LIST_HEAD(&codec->dapm_paths);
-
-	snd_soc_codec_set_drvdata(codec, wm8960);
-	codec->name = "WM8960";
-	codec->owner = THIS_MODULE;
-	codec->bias_level = SND_SOC_BIAS_OFF;
-	codec->dai = &wm8960_dai;
-	codec->num_dai = 1;
-	codec->reg_cache_size = WM8960_CACHEREGNUM;
-	codec->reg_cache = &wm8960->reg_cache;
-
-	memcpy(codec->reg_cache, wm8960_reg, sizeof(wm8960_reg));
-
-	ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
-	if (ret < 0) {
-		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
-		goto err;
+			wm8960->set_bias_level = wm8960_set_bias_level_capless;
 	}
 
 	ret = wm8960_reset(codec);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to issue reset\n");
-		goto err;
+		return ret;
 	}
 
-	wm8960_dai.dev = codec->dev;
-
-	codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+	wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
 	/* Latch the update bits */
-	reg = snd_soc_read(codec, WM8960_LINVOL);
-	snd_soc_write(codec, WM8960_LINVOL, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_RINVOL);
-	snd_soc_write(codec, WM8960_RINVOL, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_LADC);
-	snd_soc_write(codec, WM8960_LADC, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_RADC);
-	snd_soc_write(codec, WM8960_RADC, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_LDAC);
-	snd_soc_write(codec, WM8960_LDAC, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_RDAC);
-	snd_soc_write(codec, WM8960_RDAC, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_LOUT1);
-	snd_soc_write(codec, WM8960_LOUT1, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_ROUT1);
-	snd_soc_write(codec, WM8960_ROUT1, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_LOUT2);
-	snd_soc_write(codec, WM8960_LOUT2, reg | 0x100);
-	reg = snd_soc_read(codec, WM8960_ROUT2);
-	snd_soc_write(codec, WM8960_ROUT2, reg | 0x100);
-
-	wm8960_codec = codec;
-
-	ret = snd_soc_register_codec(codec);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-		goto err;
-	}
-
-	ret = snd_soc_register_dai(&wm8960_dai);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-		goto err_codec;
-	}
+	snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100);
+	snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100);
+
+	snd_soc_add_codec_controls(codec, wm8960_snd_controls,
+				     ARRAY_SIZE(wm8960_snd_controls));
+	wm8960_add_widgets(codec);
 
 	return 0;
-
-err_codec:
-	snd_soc_unregister_codec(codec);
-err:
-	kfree(wm8960);
-	return ret;
 }
 
-static void wm8960_unregister(struct wm8960_priv *wm8960)
+/* power down chip */
+static int wm8960_remove(struct snd_soc_codec *codec)
 {
-	wm8960->codec.set_bias_level(&wm8960->codec, SND_SOC_BIAS_OFF);
-	snd_soc_unregister_dai(&wm8960_dai);
-	snd_soc_unregister_codec(&wm8960->codec);
-	kfree(wm8960);
-	wm8960_codec = NULL;
+	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+
+	wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
+	return 0;
 }
 
-static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
-				      const struct i2c_device_id *id)
+static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
+	.probe =	wm8960_probe,
+	.remove =	wm8960_remove,
+	.suspend =	wm8960_suspend,
+	.resume =	wm8960_resume,
+	.set_bias_level = wm8960_set_bias_level,
+};
+
+static const struct regmap_config wm8960_regmap = {
+	.reg_bits = 7,
+	.val_bits = 9,
+	.max_register = WM8960_PLL4,
+
+	.reg_defaults = wm8960_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
+	.cache_type = REGCACHE_RBTREE,
+
+	.volatile_reg = wm8960_volatile,
+};
+
+static int wm8960_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
 {
+	struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
 	struct wm8960_priv *wm8960;
-	struct snd_soc_codec *codec;
+	int ret;
 
-	wm8960 = kzalloc(sizeof(struct wm8960_priv), GFP_KERNEL);
+	wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
+			      GFP_KERNEL);
 	if (wm8960 == NULL)
 		return -ENOMEM;
 
-	codec = &wm8960->codec;
+	wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
+	if (IS_ERR(wm8960->regmap))
+		return PTR_ERR(wm8960->regmap);
+
+	if (pdata && pdata->shared_lrclk) {
+		ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
+					 0x4, 0x4);
+		if (ret != 0) {
+			dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
+				ret);
+			return ret;
+		}
+	}
 
 	i2c_set_clientdata(i2c, wm8960);
-	codec->control_data = i2c;
 
-	codec->dev = &i2c->dev;
+	ret = snd_soc_register_codec(&i2c->dev,
+			&soc_codec_dev_wm8960, &wm8960_dai, 1);
 
-	return wm8960_register(wm8960, SND_SOC_I2C);
+	return ret;
 }
 
-static __devexit int wm8960_i2c_remove(struct i2c_client *client)
+static int wm8960_i2c_remove(struct i2c_client *client)
 {
-	struct wm8960_priv *wm8960 = i2c_get_clientdata(client);
-	wm8960_unregister(wm8960);
+	snd_soc_unregister_codec(&client->dev);
 	return 0;
 }
 
@@ -1032,30 +1084,11 @@ static struct i2c_driver wm8960_i2c_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe =    wm8960_i2c_probe,
-	.remove =   __devexit_p(wm8960_i2c_remove),
+	.remove =   wm8960_i2c_remove,
 	.id_table = wm8960_i2c_id,
 };
 
-static int __init wm8960_modinit(void)
-{
-	int ret;
-
-	ret = i2c_add_driver(&wm8960_i2c_driver);
-	if (ret != 0) {
-		printk(KERN_ERR "Failed to register WM8960 I2C driver: %d\n",
-		       ret);
-	}
-
-	return ret;
-}
-module_init(wm8960_modinit);
-
-static void __exit wm8960_exit(void)
-{
-	i2c_del_driver(&wm8960_i2c_driver);
-}
-module_exit(wm8960_exit);
-
+module_i2c_driver(wm8960_i2c_driver);
 
 MODULE_DESCRIPTION("ASoC WM8960 driver");
 MODULE_AUTHOR("Liam Girdwood");