[ALSA] ASoC: WM9713 driver

This patch adds an ASoC driver for the WM9713 AC97 codec.

Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

4 files changed, 1348 insertions, 0 deletions

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 898a7d36328..3903ab7dfa4 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -18,6 +18,10 @@ config SND_SOC_WM9712
 	tristate
 	depends on SND_SOC
 
+config SND_SOC_WM9713
+	tristate
+	depends on SND_SOC
+
 # Cirrus Logic CS4270 Codec
 config SND_SOC_CS4270
 	tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index c6e5338c266..4e1314c9d3e 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -3,6 +3,7 @@ snd-soc-wm8731-objs := wm8731.o
 snd-soc-wm8750-objs := wm8750.o
 snd-soc-wm8753-objs := wm8753.o
 snd-soc-wm9712-objs := wm9712.o
+snd-soc-wm9713-objs := wm9713.o
 snd-soc-cs4270-objs := cs4270.o
 snd-soc-tlv320aic3x-objs := tlv320aic3x.o
 
@@ -11,5 +12,6 @@ obj-$(CONFIG_SND_SOC_WM8731)	+= snd-soc-wm8731.o
 obj-$(CONFIG_SND_SOC_WM8750)	+= snd-soc-wm8750.o
 obj-$(CONFIG_SND_SOC_WM8753)	+= snd-soc-wm8753.o
 obj-$(CONFIG_SND_SOC_WM9712)	+= snd-soc-wm9712.o
+obj-$(CONFIG_SND_SOC_WM9713)	+= snd-soc-wm9713.o
 obj-$(CONFIG_SND_SOC_CS4270)	+= snd-soc-cs4270.o
 obj-$(CONFIG_SND_SOC_TLV320AIC3X)	+= snd-soc-tlv320aic3x.o
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c
new file mode 100644
index 00000000000..c3d0afdc099
--- /dev/null
+++ b/sound/soc/codecs/wm9713.c
@@ -0,0 +1,1289 @@
+/*
+ * wm9713.c  --  ALSA Soc WM9713 codec support
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  Revision history
+ *    4th Feb 2006   Initial version.
+ *
+ *  Features:-
+ *
+ *   o Support for AC97 Codec, Voice DAC and Aux DAC
+ *   o Support for DAPM
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "wm9713.h"
+
+#define WM9713_VERSION "0.15"
+
+struct wm9713_priv {
+	u32 pll_in; /* PLL input frequency */
+	u32 pll_out; /* PLL output frequency */
+};
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+	unsigned int reg);
+static int ac97_write(struct snd_soc_codec *codec,
+	unsigned int reg, unsigned int val);
+
+/*
+ * WM9713 register cache
+ * Reg 0x3c bit 15 is used by touch driver.
+ */
+static const u16 wm9713_reg[] = {
+	0x6174, 0x8080, 0x8080, 0x8080,
+	0xc880, 0xe808, 0xe808, 0x0808,
+	0x00da, 0x8000, 0xd600, 0xaaa0,
+	0xaaa0, 0xaaa0, 0x0000, 0x0000,
+	0x0f0f, 0x0040, 0x0000, 0x7f00,
+	0x0405, 0x0410, 0xbb80, 0xbb80,
+	0x0000, 0xbb80, 0x0000, 0x4523,
+	0x0000, 0x2000, 0x7eff, 0xffff,
+	0x0000, 0x0000, 0x0080, 0x0000,
+	0x0000, 0x0000, 0xfffe, 0xffff,
+	0x0000, 0x0000, 0x0000, 0xfffe,
+	0x4000, 0x0000, 0x0000, 0x0000,
+	0xb032, 0x3e00, 0x0000, 0x0000,
+	0x0000, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x0000, 0x0000, 0x0006,
+	0x0001, 0x0000, 0x574d, 0x4c13,
+	0x0000, 0x0000, 0x0000
+};
+
+/* virtual HP mixers regs */
+#define HPL_MIXER	0x80
+#define HPR_MIXER	0x82
+#define MICB_MUX	0x82
+
+static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
+static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
+static const char *wm9713_rec_src[] =
+	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
+	"Mono Out", "Zh"};
+static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
+static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
+static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
+	"Mono Vmid", "Inv Vmid"};
+static const char *wm9713_spk_pga[] =
+	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
+	"Speaker Vmid", "Inv Vmid"};
+static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
+	"Headphone Vmid"};
+static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
+static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
+static const char *wm9713_dac_inv[] =
+	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
+	"Headphone Mono", "NC", "Vmid"};
+static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
+static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
+static const char *wm9713_micb_select[] = {"MPB", "MPA"};
+
+static const struct soc_enum wm9713_enum[] = {
+SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
+SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
+SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
+SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
+SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
+};
+
+static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
+SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
+SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
+SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
+SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
+SOC_DOUBLE("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1),
+SOC_DOUBLE("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1),
+SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
+SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
+
+SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
+SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
+
+SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
+SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
+SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
+SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
+
+SOC_SINGLE("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1),
+SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
+SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
+
+SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
+SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
+SOC_SINGLE("ALC Decay Time ", AC97_CODEC_CLASS_REV, 4, 15, 0),
+SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
+SOC_ENUM("ALC Function", wm9713_enum[6]),
+SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
+SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
+SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
+SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
+SOC_ENUM("ALC NG Type", wm9713_enum[17]),
+SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
+
+SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
+SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
+
+SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
+SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
+SOC_SINGLE("Out4 Playback Volume", AC97_MASTER_MONO, 8, 63, 1),
+
+SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
+SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
+SOC_SINGLE("Out3 Playback Volume", AC97_MASTER_MONO, 0, 63, 1),
+
+SOC_SINGLE("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1),
+SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
+SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
+SOC_SINGLE("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1),
+
+SOC_SINGLE("PC Beep Playback Headphone Volume", AC97_AUX, 12, 7, 1),
+SOC_SINGLE("PC Beep Playback Speaker Volume", AC97_AUX, 8, 7, 1),
+SOC_SINGLE("PC Beep Playback Mono Volume", AC97_AUX, 4, 7, 1),
+
+SOC_SINGLE("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1),
+SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
+SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
+
+SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
+SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
+SOC_SINGLE("Aux Playback Mono Volume", AC97_REC_SEL, 4, 7, 1),
+
+SOC_ENUM("Bass Control", wm9713_enum[16]),
+SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
+SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
+SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
+SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
+SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
+
+SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
+SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
+SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
+};
+
+/* add non dapm controls */
+static int wm9713_add_controls(struct snd_soc_codec *codec)
+{
+	int err, i;
+
+	for (i = 0; i < ARRAY_SIZE(wm9713_snd_ac97_controls); i++) {
+		err = snd_ctl_add(codec->card,
+				snd_soc_cnew(&wm9713_snd_ac97_controls[i],
+					codec, NULL));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+/* We have to create a fake left and right HP mixers because
+ * the codec only has a single control that is shared by both channels.
+ * This makes it impossible to determine the audio path using the current
+ * register map, thus we add a new (virtual) register to help determine the
+ * audio route within the device.
+ */
+static int mixer_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	u16 l, r, beep, tone, phone, rec, pcm, aux;
+
+	l = ac97_read(w->codec, HPL_MIXER);
+	r = ac97_read(w->codec, HPR_MIXER);
+	beep = ac97_read(w->codec, AC97_PC_BEEP);
+	tone = ac97_read(w->codec, AC97_MASTER_TONE);
+	phone = ac97_read(w->codec, AC97_PHONE);
+	rec = ac97_read(w->codec, AC97_REC_SEL);
+	pcm = ac97_read(w->codec, AC97_PCM);
+	aux = ac97_read(w->codec, AC97_AUX);
+
+	if (event & SND_SOC_DAPM_PRE_REG)
+		return 0;
+	if ((l & 0x1) || (r & 0x1))
+		ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
+	else
+		ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
+
+	if ((l & 0x2) || (r & 0x2))
+		ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
+	else
+		ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
+
+	if ((l & 0x4) || (r & 0x4))
+		ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
+	else
+		ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
+
+	if ((l & 0x8) || (r & 0x8))
+		ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
+	else
+		ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
+
+	if ((l & 0x10) || (r & 0x10))
+		ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
+	else
+		ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
+
+	if ((l & 0x20) || (r & 0x20))
+		ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
+	else
+		ac97_write(w->codec, AC97_AUX, aux | 0x8000);
+
+	return 0;
+}
+
+/* Left Headphone Mixers */
+static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", HPL_MIXER, 5, 1, 0),
+SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
+};
+
+/* Right Headphone Mixers */
+static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", HPR_MIXER, 5, 1, 0),
+SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
+};
+
+/* headphone capture mux */
+static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[1]);
+
+/* headphone mic mux */
+static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[0]);
+
+/* Speaker Mixer */
+static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 11, 1, 1),
+SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
+SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
+SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
+SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 7, 1, 1),
+SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
+SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
+SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
+SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
+SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
+SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
+};
+
+/* mono mic mux */
+static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[2]);
+
+/* mono output mux */
+static const struct snd_kcontrol_new wm9713_mono_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[7]);
+
+/* speaker left output mux */
+static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[8]);
+
+/* speaker right output mux */
+static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[9]);
+
+/* headphone left output mux */
+static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[10]);
+
+/* headphone right output mux */
+static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[11]);
+
+/* Out3 mux */
+static const struct snd_kcontrol_new wm9713_out3_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[12]);
+
+/* Out4 mux */
+static const struct snd_kcontrol_new wm9713_out4_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[13]);
+
+/* DAC inv mux 1 */
+static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[14]);
+
+/* DAC inv mux 2 */
+static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[15]);
+
+/* Capture source left */
+static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[3]);
+
+/* Capture source right */
+static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[4]);
+
+/* mic source */
+static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[18]);
+
+/* mic source B virtual control */
+static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[19]);
+
+static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
+SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_hp_rec_mux_controls),
+SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_hp_mic_mux_controls),
+SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_mono_mic_mux_controls),
+SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_mono_mux_controls),
+SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_hp_spkl_mux_controls),
+SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_hp_spkr_mux_controls),
+SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_hpl_out_mux_controls),
+SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_hpr_out_mux_controls),
+SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_out3_mux_controls),
+SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
+	&wm9713_out4_mux_controls),
+SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
+	&wm9713_dac_inv1_mux_controls),
+SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
+	&wm9713_dac_inv2_mux_controls),
+SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
+	&wm9713_rec_srcl_mux_controls),
+SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
+	&wm9713_rec_srcr_mux_controls),
+SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
+	&wm9713_mic_sel_mux_controls),
+SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
+	&wm9713_micb_sel_mux_controls),
+SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
+	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
+	mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
+	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
+	mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
+	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
+SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
+	&wm9713_speaker_mixer_controls[0],
+	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
+SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
+SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
+SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1),
+SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
+SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_EXTENDED_MID, 5, 1),
+SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_EXTENDED_MID, 4, 1),
+SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
+SND_SOC_DAPM_OUTPUT("MONO"),
+SND_SOC_DAPM_OUTPUT("HPL"),
+SND_SOC_DAPM_OUTPUT("HPR"),
+SND_SOC_DAPM_OUTPUT("SPKL"),
+SND_SOC_DAPM_OUTPUT("SPKR"),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+SND_SOC_DAPM_OUTPUT("OUT4"),
+SND_SOC_DAPM_INPUT("LINEL"),
+SND_SOC_DAPM_INPUT("LINER"),
+SND_SOC_DAPM_INPUT("MONOIN"),
+SND_SOC_DAPM_INPUT("PCBEEP"),
+SND_SOC_DAPM_INPUT("MIC1"),
+SND_SOC_DAPM_INPUT("MIC2A"),
+SND_SOC_DAPM_INPUT("MIC2B"),
+SND_SOC_DAPM_VMID("VMID"),
+};
+
+static const char *audio_map[][3] = {
+	/* left HP mixer */
+	{"Left HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
+	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
+	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
+	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
+	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
+	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
+	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
+
+	/* right HP mixer */
+	{"Right HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
+	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
+	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
+	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
+	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
+	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
+	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
+
+	/* virtual mixer - mixes left & right channels for spk and mono */
+	{"AC97 Mixer", NULL, "Left DAC"},
+	{"AC97 Mixer", NULL, "Right DAC"},
+	{"Line Mixer", NULL, "Right Line In"},
+	{"Line Mixer", NULL, "Left Line In"},
+	{"HP Mixer", NULL, "Left HP Mixer"},
+	{"HP Mixer", NULL, "Right HP Mixer"},
+	{"Capture Mixer", NULL, "Left Capture Source"},
+	{"Capture Mixer", NULL, "Right Capture Source"},
+
+	/* speaker mixer */
+	{"Speaker Mixer", "PC Beep Playback Switch", "PCBEEP"},
+	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
+	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
+	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
+	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
+	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
+
+	/* mono mixer */
+	{"Mono Mixer", "PC Beep Playback Switch", "PCBEEP"},
+	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
+	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
+	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
+	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
+	{"Mono Mixer", NULL,  "Capture Mono Mux"},
+
+	/* DAC inv mux 1 */
+	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
+	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
+	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
+	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
+	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
+
+	/* DAC inv mux 2 */
+	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
+	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
+	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
+	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
+	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
+
+	/* headphone left mux */
+	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
+
+	/* headphone right mux */
+	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
+
+	/* speaker left mux */
+	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
+	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
+	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
+
+	/* speaker right mux */
+	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
+	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
+	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
+
+	/* mono mux */
+	{"Mono Out Mux", "Mono", "Mono Mixer"},
+	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
+
+	/* out 3 mux */
+	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
+
+	/* out 4 mux */
+	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
+
+	/* output pga */
+	{"HPL", NULL, "Left Headphone"},
+	{"Left Headphone", NULL, "Left Headphone Out Mux"},
+	{"HPR", NULL, "Right Headphone"},
+	{"Right Headphone", NULL, "Right Headphone Out Mux"},
+	{"OUT3", NULL, "Out 3"},
+	{"Out 3", NULL, "Out 3 Mux"},
+	{"OUT4", NULL, "Out 4"},
+	{"Out 4", NULL, "Out 4 Mux"},
+	{"SPKL", NULL, "Left Speaker"},
+	{"Left Speaker", NULL, "Left Speaker Out Mux"},
+	{"SPKR", NULL, "Right Speaker"},
+	{"Right Speaker", NULL, "Right Speaker Out Mux"},
+	{"MONO", NULL, "Mono Out"},
+	{"Mono Out", NULL, "Mono Out Mux"},
+
+	/* input pga */
+	{"Left Line In", NULL, "LINEL"},
+	{"Right Line In", NULL, "LINER"},
+	{"Mono In", NULL, "MONOIN"},
+	{"Mic A PGA", NULL, "Mic A Pre Amp"},
+	{"Mic B PGA", NULL, "Mic B Pre Amp"},
+
+	/* left capture select */
+	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
+	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
+	{"Left Capture Source", "Line", "LINEL"},
+	{"Left Capture Source", "Mono In", "MONOIN"},
+	{"Left Capture Source", "Headphone", "Left HP Mixer"},
+	{"Left Capture Source", "Speaker", "Speaker Mixer"},
+	{"Left Capture Source", "Mono Out", "Mono Mixer"},
+
+	/* right capture select */
+	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
+	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
+	{"Right Capture Source", "Line", "LINER"},
+	{"Right Capture Source", "Mono In", "MONOIN"},
+	{"Right Capture Source", "Headphone", "Right HP Mixer"},
+	{"Right Capture Source", "Speaker", "Speaker Mixer"},
+	{"Right Capture Source", "Mono Out", "Mono Mixer"},
+
+	/* left ADC */
+	{"Left ADC", NULL, "Left Capture Source"},
+
+	/* right ADC */
+	{"Right ADC", NULL, "Right Capture Source"},
+
+	/* mic */
+	{"Mic A Pre Amp", NULL, "Mic A Source"},
+	{"Mic A Source", "Mic 1", "MIC1"},
+	{"Mic A Source", "Mic 2 A", "MIC2A"},
+	{"Mic A Source", "Mic 2 B", "Mic B Source"},
+	{"Mic B Pre Amp", "MPB", "Mic B Source"},
+	{"Mic B Source", NULL, "MIC2B"},
+
+	/* headphone capture */
+	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
+	{"Capture Headphone Mux", "Left", "Left Capture Source"},
+	{"Capture Headphone Mux", "Right", "Right Capture Source"},
+
+	/* mono capture */
+	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
+	{"Capture Mono Mux", "Left", "Left Capture Source"},
+	{"Capture Mono Mux", "Right", "Right Capture Source"},
+
+	{NULL, NULL, NULL},
+};
+
+static int wm9713_add_widgets(struct snd_soc_codec *codec)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(wm9713_dapm_widgets); i++)
+		snd_soc_dapm_new_control(codec, &wm9713_dapm_widgets[i]);
+
+	/* set up audio path audio_mapnects */
+	for (i = 0; audio_map[i][0] != NULL; i++)
+		snd_soc_dapm_connect_input(codec, audio_map[i][0],
+			audio_map[i][1], audio_map[i][2]);
+
+	snd_soc_dapm_new_widgets(codec);
+	return 0;
+}
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+	unsigned int reg)
+{
+	u16 *cache = codec->reg_cache;
+
+	if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
+		reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
+		reg == AC97_CD)
+		return soc_ac97_ops.read(codec->ac97, reg);
+	else {
+		reg = reg >> 1;
+
+		if (reg > (ARRAY_SIZE(wm9713_reg)))
+			return -EIO;
+
+		return cache[reg];
+	}
+}
+
+static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
+	unsigned int val)
+{
+	u16 *cache = codec->reg_cache;
+	if (reg < 0x7c)
+		soc_ac97_ops.write(codec->ac97, reg, val);
+	reg = reg >> 1;
+	if (reg <= (ARRAY_SIZE(wm9713_reg)))
+		cache[reg] = val;
+
+	return 0;
+}
+
+/* PLL divisors */
+struct _pll_div {
+	u32 divsel:1;
+	u32 divctl:1;
+	u32 lf:1;
+	u32 n:4;
+	u32 k:24;
+};
+
+/* The size in bits of the PLL divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_PLL_SIZE ((1 << 22) * 10)
+
+static void pll_factors(struct _pll_div *pll_div, unsigned int source)
+{
+	u64 Kpart;
+	unsigned int K, Ndiv, Nmod, target;
+
+	/* The the PLL output is always 98.304MHz. */
+	target = 98304000;
+
+	/* If the input frequency is over 14.4MHz then scale it down. */
+	if (source > 14400000) {
+		source >>= 1;
+		pll_div->divsel = 1;
+
+		if (source > 14400000) {
+			source >>= 1;
+			pll_div->divctl = 1;
+		} else
+			pll_div->divctl = 0;
+
+	} else {
+		pll_div->divsel = 0;
+		pll_div->divctl = 0;
+	}
+
+	/* Low frequency sources require an additional divide in the
+	 * loop.
+	 */
+	if (source < 8192000) {
+		pll_div->lf = 1;
+		target >>= 2;
+	} else
+		pll_div->lf = 0;
+
+	Ndiv = target / source;
+	if ((Ndiv < 5) || (Ndiv > 12))
+		printk(KERN_WARNING
+			"WM9713 PLL N value %d out of recommended range!\n",
+			Ndiv);
+
+	pll_div->n = Ndiv;
+	Nmod = target % source;
+	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
+
+	do_div(Kpart, source);
+
+	K = Kpart & 0xFFFFFFFF;
+
+	/* Check if we need to round */
+	if ((K % 10) >= 5)
+		K += 5;
+
+	/* Move down to proper range now rounding is done */
+	K /= 10;
+
+	pll_div->k = K;
+}
+
+/**
+ * Please note that changing the PLL input frequency may require
+ * resynchronisation with the AC97 controller.
+ */
+static int wm9713_set_pll(struct snd_soc_codec *codec,
+	int pll_id, unsigned int freq_in, unsigned int freq_out)
+{
+	struct wm9713_priv *wm9713 = codec->private_data;
+	u16 reg, reg2;
+	struct _pll_div pll_div;
+
+	/* turn PLL off ? */
+	if (freq_in == 0 || freq_out == 0) {
+		/* disable PLL power and select ext source */
+		reg = ac97_read(codec, AC97_HANDSET_RATE);
+		ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
+		reg = ac97_read(codec, AC97_EXTENDED_MID);
+		ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
+		wm9713->pll_out = 0;
+		return 0;
+	}
+
+	pll_factors(&pll_div, freq_in);
+
+	if (pll_div.k == 0) {
+		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
+			(pll_div.divsel << 9) | (pll_div.divctl << 8);
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+	} else {
+		/* write the fractional k to the reg 0x46 pages */
+		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
+			(pll_div.divsel << 9) | (pll_div.divctl << 8);
+
+		/* K [21:20] */
+		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+		/* K [19:16] */
+		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+		/* K [15:12] */
+		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+		/* K [11:8] */
+		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+		/* K [7:4] */
+		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
+		ac97_write(codec, AC97_LINE1_LEVEL, reg);
+	}
+
+	/* turn PLL on and select as source */
+	reg = ac97_read(codec, AC97_EXTENDED_MID);
+	ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
+	reg = ac97_read(codec, AC97_HANDSET_RATE);
+	ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
+	wm9713->pll_out = freq_out;
+	wm9713->pll_in = freq_in;
+
+	/* wait 10ms AC97 link frames for the link to stabilise */
+	schedule_timeout_interruptible(msecs_to_jiffies(10));
+	return 0;
+}
+
+static int wm9713_set_dai_pll(struct snd_soc_codec_dai *codec_dai,
+		int pll_id, unsigned int freq_in, unsigned int freq_out)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
+}
+
+/*
+ * Tristate the PCM DAI lines, tristate can be disabled by calling
+ * wm9713_set_dai_fmt()
+ */
+static int wm9713_set_dai_tristate(struct snd_soc_codec_dai *codec_dai,
+	int tristate)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
+
+	if (tristate)
+		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
+
+	return 0;
+}
+
+/*
+ * Configure WM9713 clock dividers.
+ * Voice DAC needs 256 FS
+ */
+static int wm9713_set_dai_clkdiv(struct snd_soc_codec_dai *codec_dai,
+		int div_id, int div)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	u16 reg;
+
+	switch (div_id) {
+	case WM9713_PCMCLK_DIV:
+		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
+		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
+		break;
+	case WM9713_CLKA_MULT:
+		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
+		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
+		break;
+	case WM9713_CLKB_MULT:
+		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
+		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
+		break;
+	case WM9713_HIFI_DIV:
+		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
+		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
+		break;
+	case WM9713_PCMBCLK_DIV:
+		reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
+		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
+		break;
+	case WM9713_PCMCLK_PLL_DIV:
+		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
+		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
+		break;
+	case WM9713_HIFI_PLL_DIV:
+		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
+		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int wm9713_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
+		unsigned int fmt)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+	u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
+	u16 reg = 0x8000;
+
+	/* clock masters */
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		reg |= 0x4000;
+		gpio |= 0x0010;
+		break;
+	case SND_SOC_DAIFMT_CBM_CFS:
+		reg |= 0x6000;
+		gpio |= 0x0018;
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		reg |= 0x0200;
+		gpio |= 0x001a;
+		break;
+	case SND_SOC_DAIFMT_CBS_CFM:
+		gpio |= 0x0012;
+		break;
+	}
+
+	/* clock inversion */
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_IB_IF:
+		reg |= 0x00c0;
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		reg |= 0x0080;
+		break;
+	case SND_SOC_DAIFMT_NB_IF:
+		reg |= 0x0040;
+		break;
+	}
+
+	/* DAI format */
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		reg |= 0x0002;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		reg |= 0x0001;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		reg |= 0x0003;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		reg |= 0x0043;
+		break;
+	}
+
+	ac97_write(codec, AC97_GPIO_CFG, gpio);
+	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
+	return 0;
+}
+
+static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_device *socdev = rtd->socdev;
+	struct snd_soc_codec *codec = socdev->codec;
+	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
+
+	switch (params_format(params)) {
+	case SNDRV_PCM_FORMAT_S16_LE:
+		break;
+	case SNDRV_PCM_FORMAT_S20_3LE:
+		reg |= 0x0004;
+		break;
+