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authorDmitry Torokhov <dtor@insightbb.com>2007-02-10 01:26:32 -0500
committerDmitry Torokhov <dtor@insightbb.com>2007-02-10 01:26:32 -0500
commitb22364c8eec89e6b0c081a237f3b6348df87796f (patch)
tree233a923281fb640106465d076997ff511efb6edf /sound/soc/codecs
parent2c8dc071517ec2843869024dc82be2e246f41064 (diff)
parent66efc5a7e3061c3597ac43a8bb1026488d57e66b (diff)
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'sound/soc/codecs')
-rw-r--r--sound/soc/codecs/Kconfig15
-rw-r--r--sound/soc/codecs/Makefile9
-rw-r--r--sound/soc/codecs/ac97.c156
-rw-r--r--sound/soc/codecs/ac97.h18
-rw-r--r--sound/soc/codecs/wm8731.c758
-rw-r--r--sound/soc/codecs/wm8731.h44
-rw-r--r--sound/soc/codecs/wm8750.c1049
-rw-r--r--sound/soc/codecs/wm8750.h67
-rw-r--r--sound/soc/codecs/wm9712.c771
-rw-r--r--sound/soc/codecs/wm9712.h14
10 files changed, 2901 insertions, 0 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
new file mode 100644
index 00000000000..78ac2688e12
--- /dev/null
+++ b/sound/soc/codecs/Kconfig
@@ -0,0 +1,15 @@
+config SND_SOC_AC97_CODEC
+ tristate
+ depends SND_SOC
+
+config SND_SOC_WM8731
+ tristate
+ depends SND_SOC
+
+config SND_SOC_WM8750
+ tristate
+ depends SND_SOC
+
+config SND_SOC_WM9712
+ tristate
+ depends SND_SOC
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
new file mode 100644
index 00000000000..3249a6e4f1d
--- /dev/null
+++ b/sound/soc/codecs/Makefile
@@ -0,0 +1,9 @@
+snd-soc-ac97-objs := ac97.o
+snd-soc-wm8731-objs := wm8731.o
+snd-soc-wm8750-objs := wm8750.o
+snd-soc-wm9712-objs := wm9712.o
+
+obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
+obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
+obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o
+obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
new file mode 100644
index 00000000000..55bc55eb6e2
--- /dev/null
+++ b/sound/soc/codecs/ac97.c
@@ -0,0 +1,156 @@
+/*
+ * ac97.c -- ALSA Soc AC97 codec support
+ *
+ * Copyright 2005 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
+ * 17th Oct 2005 Initial version.
+ *
+ * Generic AC97 support.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#define AC97_VERSION "0.6"
+
+static int ac97_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE;
+ return snd_ac97_set_rate(codec->ac97, reg, runtime->rate);
+}
+
+#define STD_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+
+static struct snd_soc_codec_dai ac97_dai = {
+ .name = "AC97 HiFi",
+ .playback = {
+ .stream_name = "AC97 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = STD_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = STD_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .prepare = ac97_prepare,},
+};
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ return soc_ac97_ops.read(codec->ac97, reg);
+}
+
+static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int val)
+{
+ soc_ac97_ops.write(codec->ac97, reg, val);
+ return 0;
+}
+
+static int ac97_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ struct snd_ac97_bus *ac97_bus;
+ struct snd_ac97_template ac97_template;
+ int ret = 0;
+
+ printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION);
+
+ socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (socdev->codec == NULL)
+ return -ENOMEM;
+ codec = socdev->codec;
+ mutex_init(&codec->mutex);
+
+ codec->name = "AC97";
+ codec->owner = THIS_MODULE;
+ codec->dai = &ac97_dai;
+ codec->num_dai = 1;
+ codec->write = ac97_write;
+ codec->read = ac97_read;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0)
+ goto err;
+
+ /* add codec as bus device for standard ac97 */
+ ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus);
+ if(ret < 0)
+ goto bus_err;
+
+ memset(&ac97_template, 0, sizeof(struct snd_ac97_template));
+ ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97);
+ if(ret < 0)
+ goto bus_err;
+
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0)
+ goto bus_err;
+ return 0;
+
+bus_err:
+ snd_soc_free_pcms(socdev);
+
+err:
+ kfree(socdev->codec->reg_cache);
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return ret;
+}
+
+static int ac97_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if(codec == NULL)
+ return 0;
+
+ snd_soc_free_pcms(socdev);
+ kfree(socdev->codec->reg_cache);
+ kfree(socdev->codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_ac97= {
+ .probe = ac97_soc_probe,
+ .remove = ac97_soc_remove,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_ac97);
+
+MODULE_DESCRIPTION("Soc Generic AC97 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/ac97.h b/sound/soc/codecs/ac97.h
new file mode 100644
index 00000000000..930ddfc2321
--- /dev/null
+++ b/sound/soc/codecs/ac97.h
@@ -0,0 +1,18 @@
+/*
+ * linux/sound/codecs/ac97.h -- ALSA SoC Layer
+ *
+ * Author: Liam Girdwood
+ * Created: Dec 1st 2005
+ * Copyright: Wolfson Microelectronics. PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_SOC_AC97_H
+#define __LINUX_SND_SOC_AC97_H
+
+extern struct snd_soc_codec_device soc_codec_dev_ac97;
+
+#endif
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
new file mode 100644
index 00000000000..7ca0b526828
--- /dev/null
+++ b/sound/soc/codecs/wm8731.c
@@ -0,0 +1,758 @@
+/*
+ * wm8731.c -- WM8731 ALSA SoC Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.c by Liam Girdwood
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.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 "wm8731.h"
+
+#define AUDIO_NAME "wm8731"
+#define WM8731_VERSION "0.13"
+
+/*
+ * Debug
+ */
+
+#define WM8731_DEBUG 0
+
+#ifdef WM8731_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8731;
+
+/* codec private data */
+struct wm8731_priv {
+ unsigned int sysclk;
+};
+
+/*
+ * wm8731 register cache
+ * We can't read the WM8731 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ * There is no point in caching the reset register
+ */
+static const u16 wm8731_reg[WM8731_CACHEREGNUM] = {
+ 0x0097, 0x0097, 0x0079, 0x0079,
+ 0x000a, 0x0008, 0x009f, 0x000a,
+ 0x0000, 0x0000
+};
+
+/*
+ * read wm8731 register cache
+ */
+static inline unsigned int wm8731_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8731_RESET)
+ return 0;
+ if (reg >= WM8731_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8731 register cache
+ */
+static inline void wm8731_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8731_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8731 register space
+ */
+static int wm8731_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8731 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8731_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8731_reset(c) wm8731_write(c, WM8731_RESET, 0)
+
+static const char *wm8731_input_select[] = {"Line In", "Mic"};
+static const char *wm8731_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
+
+static const struct soc_enum wm8731_enum[] = {
+ SOC_ENUM_SINGLE(WM8731_APANA, 2, 2, wm8731_input_select),
+ SOC_ENUM_SINGLE(WM8731_APDIGI, 1, 4, wm8731_deemph),
+};
+
+static const struct snd_kcontrol_new wm8731_snd_controls[] = {
+
+SOC_DOUBLE_R("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V,
+ 0, 127, 0),
+SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V,
+ 7, 1, 0),
+
+SOC_DOUBLE_R("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0),
+SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1),
+
+SOC_SINGLE("Mic Boost (+20dB)", WM8731_APANA, 0, 1, 0),
+SOC_SINGLE("Capture Mic Switch", WM8731_APANA, 1, 1, 1),
+
+SOC_SINGLE("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1),
+
+SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1),
+SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0),
+
+SOC_ENUM("Playback De-emphasis", wm8731_enum[1]),
+};
+
+/* add non dapm controls */
+static int wm8731_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8731_snd_controls); i++) {
+ if ((err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8731_snd_controls[i],codec, NULL))) < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Output Mixer */
+static const struct snd_kcontrol_new wm8731_output_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0),
+SOC_DAPM_SINGLE("Mic Sidetone Switch", WM8731_APANA, 5, 1, 0),
+SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0),
+};
+
+/* Input mux */
+static const struct snd_kcontrol_new wm8731_input_mux_controls =
+SOC_DAPM_ENUM("Input Select", wm8731_enum[0]);
+
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1,
+ &wm8731_output_mixer_controls[0],
+ ARRAY_SIZE(wm8731_output_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8731_PWR, 3, 1),
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("LHPOUT"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+SND_SOC_DAPM_OUTPUT("RHPOUT"),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8731_PWR, 2, 1),
+SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &wm8731_input_mux_controls),
+SND_SOC_DAPM_PGA("Line Input", WM8731_PWR, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8731_PWR, 1, 1),
+SND_SOC_DAPM_INPUT("MICIN"),
+SND_SOC_DAPM_INPUT("RLINEIN"),
+SND_SOC_DAPM_INPUT("LLINEIN"),
+};
+
+static const char *intercon[][3] = {
+ /* output mixer */
+ {"Output Mixer", "Line Bypass Switch", "Line Input"},
+ {"Output Mixer", "HiFi Playback Switch", "DAC"},
+ {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
+
+ /* outputs */
+ {"RHPOUT", NULL, "Output Mixer"},
+ {"ROUT", NULL, "Output Mixer"},
+ {"LHPOUT", NULL, "Output Mixer"},
+ {"LOUT", NULL, "Output Mixer"},
+
+ /* input mux */
+ {"Input Mux", "Line In", "Line Input"},
+ {"Input Mux", "Mic", "Mic Bias"},
+ {"ADC", NULL, "Input Mux"},
+
+ /* inputs */
+ {"Line Input", NULL, "LLINEIN"},
+ {"Line Input", NULL, "RLINEIN"},
+ {"Mic Bias", NULL, "MICIN"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8731_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
+ }
+
+ /* set up audio path interconnects */
+ for(i = 0; intercon[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, intercon[i][0],
+ intercon[i][1], intercon[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:4;
+ u8 bosr:1;
+ u8 usb:1;
+};
+
+/* codec mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0, 0x0},
+ {18432000, 48000, 384, 0x0, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x0, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0x6, 0x0, 0x0},
+ {18432000, 32000, 576, 0x6, 0x1, 0x0},
+ {12000000, 32000, 375, 0x6, 0x0, 0x1},
+
+ /* 8k */
+ {12288000, 8000, 1536, 0x3, 0x0, 0x0},
+ {18432000, 8000, 2304, 0x3, 0x1, 0x0},
+ {11289600, 8000, 1408, 0xb, 0x0, 0x0},
+ {16934400, 8000, 2112, 0xb, 0x1, 0x0},
+ {12000000, 8000, 1500, 0x3, 0x0, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0x7, 0x0, 0x0},
+ {18432000, 96000, 192, 0x7, 0x1, 0x0},
+ {12000000, 96000, 125, 0x7, 0x0, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x8, 0x0, 0x0},
+ {16934400, 44100, 384, 0x8, 0x1, 0x0},
+ {12000000, 44100, 272, 0x8, 0x1, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0xf, 0x0, 0x0},
+ {16934400, 88200, 192, 0xf, 0x1, 0x0},
+ {12000000, 88200, 136, 0xf, 0x1, 0x1},
+};
+
+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 0;
+}
+
+static int wm8731_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;
+ struct wm8731_priv *wm8731 = codec->private_data;
+ u16 iface = wm8731_read_reg_cache(codec, WM8731_IFACE) & 0xfff3;
+ int i = get_coeff(wm8731->sysclk, params_rate(params));
+ u16 srate = (coeff_div[i].sr << 2) |
+ (coeff_div[i].bosr << 1) | coeff_div[i].usb;
+
+ wm8731_write(codec, WM8731_SRATE, srate);
+
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ iface |= 0x0008;
+ break;
+ }
+
+ wm8731_write(codec, WM8731_IFACE, iface);
+ return 0;
+}
+
+static int wm8731_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ /* set active */
+ wm8731_write(codec, WM8731_ACTIVE, 0x0001);
+
+ return 0;
+}
+
+static void wm8731_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ /* deactivate */
+ if (!codec->active) {
+ udelay(50);
+ wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ }
+}
+
+static int wm8731_mute(struct snd_soc_codec_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 mute_reg = wm8731_read_reg_cache(codec, WM8731_APDIGI) & 0xfff7;
+
+ if (mute)
+ wm8731_write(codec, WM8731_APDIGI, mute_reg | 0x8);
+ else
+ wm8731_write(codec, WM8731_APDIGI, mute_reg);
+ return 0;
+}
+
+static int wm8731_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8731_priv *wm8731 = codec->private_data;
+
+ switch (freq) {
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 16934400:
+ case 18432000:
+ wm8731->sysclk = freq;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+
+static int wm8731_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 iface = 0;
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface |= 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* set iface */
+ wm8731_write(codec, WM8731_IFACE, iface);
+ return 0;
+}
+
+static int wm8731_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, osc on, dac unmute */
+ wm8731_write(codec, WM8731_PWR, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, */
+ wm8731_write(codec, WM8731_PWR, reg | 0x0040);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ wm8731_write(codec, WM8731_PWR, 0xffff);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+#define WM8731_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000)
+
+#define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+struct snd_soc_codec_dai wm8731_dai = {
+ .name = "WM8731",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8731_RATES,
+ .formats = WM8731_FORMATS,},
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8731_RATES,
+ .formats = WM8731_FORMATS,},
+ .ops = {
+ .prepare = wm8731_pcm_prepare,
+ .hw_params = wm8731_hw_params,
+ .shutdown = wm8731_shutdown,
+ },
+ .dai_ops = {
+ .digital_mute = wm8731_mute,
+ .set_sysclk = wm8731_set_dai_sysclk,
+ .set_fmt = wm8731_set_dai_fmt,
+ }
+};
+EXPORT_SYMBOL_GPL(wm8731_dai);
+
+static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8731_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8731_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8731 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8731_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8731";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8731_read_reg_cache;
+ codec->write = wm8731_write;
+ codec->dapm_event = wm8731_dapm_event;
+ codec->dai = &wm8731_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = sizeof(wm8731_reg);
+ codec->reg_cache = kmemdup(wm8731_reg, sizeof(wm8731_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+
+ wm8731_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8731: failed to create pcms\n");
+ goto pcm_err;
+ }
+
+ /* power on device */
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* set the update bits */
+ reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V);
+ wm8731_write(codec, WM8731_LOUT1V, reg | 0x0100);
+ reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V);
+ wm8731_write(codec, WM8731_ROUT1V, reg | 0x0100);
+ reg = wm8731_read_reg_cache(codec, WM8731_LINVOL);
+ wm8731_write(codec, WM8731_LINVOL, reg | 0x0100);
+ reg = wm8731_read_reg_cache(codec, WM8731_RINVOL);
+ wm8731_write(codec, WM8731_RINVOL, reg | 0x0100);
+
+ wm8731_add_controls(codec);
+ wm8731_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8731: failed to register card\n");
+ goto card_err;
+ }
+
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+ return ret;
+}
+
+static struct snd_soc_device *wm8731_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8731 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8731_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8731_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8731_socdev;
+ struct wm8731_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8731_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8731\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8731_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec* codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8731_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8731_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8731_i2c_driver = {
+ .driver = {
+ .name = "WM8731 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8731,
+ .attach_adapter = wm8731_i2c_attach,
+ .detach_client = wm8731_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8731",
+ .driver = &wm8731_i2c_driver,
+};
+#endif
+
+static int wm8731_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8731_setup_data *setup;
+ struct snd_soc_codec *codec;
+ struct wm8731_priv *wm8731;
+ int ret = 0;
+
+ info("WM8731 Audio Codec %s", WM8731_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
+ if (wm8731 == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+
+ codec->private_data = wm8731;
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8731_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8731_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8731_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8731_i2c_driver);
+#endif
+ kfree(codec->private_data);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8731 = {
+ .probe = wm8731_probe,
+ .remove = wm8731_remove,
+ .suspend = wm8731_suspend,
+ .resume = wm8731_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
+
+MODULE_DESCRIPTION("ASoC WM8731 driver");
+MODULE_AUTHOR("Richard Purdie");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h
new file mode 100644
index 00000000000..5bcab6a7afb
--- /dev/null
+++ b/sound/soc/codecs/wm8731.h
@@ -0,0 +1,44 @@
+/*
+ * wm8731.h -- WM8731 Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8731_H
+#define _WM8731_H
+
+/* WM8731 register space */
+
+#define WM8731_LINVOL 0x00
+#define WM8731_RINVOL 0x01
+#define WM8731_LOUT1V 0x02
+#define WM8731_ROUT1V 0x03
+#define WM8731_APANA 0x04
+#define WM8731_APDIGI 0x05
+#define WM8731_PWR 0x06
+#define WM8731_IFACE 0x07
+#define WM8731_SRATE 0x08
+#define WM8731_ACTIVE 0x09
+#define WM8731_RESET 0x0f
+
+#define WM8731_CACHEREGNUM 10
+
+#define WM8731_SYSCLK 0
+#define WM8731_DAI 0
+
+struct wm8731_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8731_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8731;
+
+#endif
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
new file mode 100644
index 00000000000..7073e8e294f
--- /dev/null
+++ b/sound/soc/codecs/wm8750.c
@@ -0,0 +1,1049 @@
+/*
+ * wm8750.c -- WM8750 ALSA SoC audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on WM8753.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.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 "wm8750.h"
+
+#define AUDIO_NAME "WM8750"
+#define WM8750_VERSION "0.12"
+
+/*
+ * Debug
+ */
+
+#define WM8750_DEBUG 0
+
+#ifdef WM8750_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+/* codec private data */
+struct wm8750_priv {
+ unsigned int sysclk;
+};
+
+/*
+ * wm8750 register cache
+ * We can't read the WM8750 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8750_reg[] = {
+ 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
+ 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
+ 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
+ 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
+ 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
+ 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
+ 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
+ 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
+ 0x0079, 0x0079, 0x0079, /* 40 */
+};
+
+/*
+ * read wm8750 register cache
+ */
+static inline unsigned int wm8750_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg > WM8750_CACHE_REGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8750 register cache
+ */
+static inline void wm8750_write_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg > WM8750_CACHE_REGNUM)
+ return;
+ cache[reg] = value;
+}
+
+static int wm8750_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8753 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8750_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8750_reset(c) wm8750_write(c, WM8750_RESET, 0)
+
+/*
+ * WM8750 Controls
+ */
+static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" };
+static const char *wm8750_treble[] = {"8kHz", "4kHz"};
+static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"};
+static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"};
+static const char *wm8750_3d_func[] = {"Capture", "Playback"};
+static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"};
+static const char *wm8750_ng_type[] = {"Constant PGA Gain",
+ "Mute ADC Output"};
+static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA",
+ "Differential"};
+static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3",
+ "Differential"};
+static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut",
+ "ROUT1"};
+static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"};
+static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert",
+ "L + R Invert"};
+static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
+static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)",
+ "Mono (Right)", "Digital Mono"};
+
+static const struct soc_enum wm8750_enum[] = {
+SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass),
+SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter),
+SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble),
+SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc),
+SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc),
+SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func),
+SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func),
+SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type),
+SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux),
+SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux),
+SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */
+SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel),
+SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3),
+SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel),
+SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol),
+SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph),
+SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */
+
+};
+
+static const struct snd_kcontrol_new wm8750_snd_controls[] = {
+
+SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0),
+SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0),
+SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1),
+
+SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V,
+ WM8750_ROUT1V, 7, 1, 0),
+SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V,
+ WM8750_ROUT2V, 7, 1, 0),
+
+SOC_ENUM("Playback De-emphasis", wm8750_enum[15]),
+
+SOC_ENUM("Capture Polarity", wm8750_enum[14]),
+SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0),
+SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0),
+
+SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0),
+
+SOC_ENUM("Bass Boost", wm8750_enum[0]),
+SOC_ENUM("Bass Filter", wm8750_enum[1]),
+SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1),
+
+SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 0),
+SOC_ENUM("Treble Cut-off", wm8750_enum[2]),
+
+SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0),
+SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0),
+SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]),
+SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]),
+SOC_ENUM("3D Mode", wm8750_enum[5]),
+
+SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0),
+SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0),
+SOC_ENUM("ALC Capture Function", wm8750_enum[6]),
+SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0),
+SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0),
+SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0),
+SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0),
+SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]),
+SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0),
+
+SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0),
+SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0),
+
+SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0),
+SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0),
+
+SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0),
+
+/* Unimplemented */
+/* ADCDAC Bit 0 - ADCHPD */
+/* ADCDAC Bit 4 - HPOR */
+/* ADCTL1 Bit 2,3 - DATSEL */
+/* ADCTL1 Bit 4,5 - DMONOMIX */
+/* ADCTL1 Bit 6,7 - VSEL */
+/* ADCTL2 Bit 2 - LRCM */
+/* ADCTL2 Bit 3 - TRI */
+/* ADCTL3 Bit 5 - HPFLREN */
+/* ADCTL3 Bit 6 - VROI */
+/* ADCTL3 Bit 7,8 - ADCLRM */
+/* ADCIN Bit 4 - LDCM */
+/* ADCIN Bit 5 - RDCM */
+
+SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0),
+
+SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1,
+ WM8750_LOUTM2, 4, 7, 1),
+SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1,
+ WM8750_ROUTM2, 4, 7, 1),
+SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1,
+ WM8750_MOUTM2, 4, 7, 1),
+
+SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0),
+
+SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V,
+ 0, 127, 0),
+SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V,
+ 0, 127, 0),
+
+SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0),
+
+};
+
+/* add non dapm controls */
+static int wm8750_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8750_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8750_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * DAPM Controls
+ */
+
+/* Left Mixer */
+static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0),
+};
+
+/* Right Mixer */
+static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0),
+};
+
+/* Left Line Mux */
+static const struct snd_kcontrol_new wm8750_left_line_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[8]);
+
+/* Right Line Mux */
+static const struct snd_kcontrol_new wm8750_right_line_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[9]);
+
+/* Left PGA Mux */
+static const struct snd_kcontrol_new wm8750_left_pga_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[10]);
+
+/* Right PGA Mux */
+static const struct snd_kcontrol_new wm8750_right_pga_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[11]);
+
+/* Out 3 Mux */
+static const struct snd_kcontrol_new wm8750_out3_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[12]);
+
+/* Differential Mux */
+static const struct snd_kcontrol_new wm8750_diffmux_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[13]);
+
+/* Mono ADC Mux */
+static const struct snd_kcontrol_new wm8750_monomux_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[16]);
+
+static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8750_left_mixer_controls[0],
+ ARRAY_SIZE(wm8750_left_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8750_right_mixer_controls[0],
+ ARRAY_SIZE(wm8750_right_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0,
+ &wm8750_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8750_mono_mixer_controls)),
+
+ SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0),
+ SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0),
+ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0),
+
+ SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0),
+ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0),
+
+ SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0,
+ &wm8750_left_pga_controls),
+ SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0,
+ &wm8750_right_pga_controls),
+ SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_left_line_controls),
+ SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_right_line_controls),
+
+ SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls),
+ SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_diffmux_controls),
+ SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_monomux_controls),
+ SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_monomux_controls),
+
+ SND_SOC_DAPM_OUTPUT("LOUT1"),
+ SND_SOC_DAPM_OUTPUT("ROUT1"),
+ SND_SOC_DAPM_OUTPUT("LOUT2"),
+ SND_SOC_DAPM_OUTPUT("ROUT2"),
+ SND_SOC_DAPM_OUTPUT("MONO"),
+ SND_SOC_DAPM_OUTPUT("OUT3"),
+
+ SND_SOC_DAPM_INPUT("LINPUT1"),
+ SND_SOC_DAPM_INPUT("LINPUT2"),
+ SND_SOC_DAPM_INPUT("LINPUT3"),
+ SND_SOC_DAPM_INPUT("RINPUT1"),
+ SND_SOC_DAPM_INPUT("RINPUT2"),
+ SND_SOC_DAPM_INPUT("RINPUT3"),
+};
+
+static const char *audio_map[][3] = {
+ /* left mixer */
+ {"Left Mixer", "Playback Switch", "Left DAC"},
+ {"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Left Mixer", "Right Playback Switch", "Right DAC"},
+ {"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* right mixer */
+ {"Right Mixer", "Left Playback Switch", "Left DAC"},
+ {"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Right Mixer", "Playback Switch", "Right DAC"},
+ {"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* left out 1 */
+ {"Left Out 1", NULL, "Left Mixer"},
+ {"LOUT1", NULL, "Left Out 1"},
+
+ /* left out 2 */
+ {"Left Out 2", NULL, "Left Mixer"},
+ {"LOUT2", NULL, "Left Out 2"},
+
+ /* right out 1 */
+ {"Right Out 1", NULL, "Right Mixer"},
+ {"ROUT1", NULL, "Right Out 1"},
+
+ /* right out 2 */
+ {"Right Out 2", NULL, "Right Mixer"},
+ {"ROUT2", NULL, "Right Out 2"},
+
+ /* mono mixer */
+ {"Mono Mixer", "Left Playback Switch", "Left DAC"},
+ {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Mono Mixer", "Right Playback Switch", "Right DAC"},
+ {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* mono out */
+ {"Mono Out 1", NULL, "Mono Mixer"},
+ {"MONO1", NULL, "Mono Out 1"},
+
+ /* out 3 */
+ {"Out3 Mux", "VREF", "VREF"},
+ {"Out3 Mux", "ROUT1 + Vol", "ROUT1"},
+ {"Out3 Mux", "ROUT1", "Right Mixer"},
+ {"Out3 Mux", "MonoOut", "MONO1"},
+ {"Out 3", NULL, "Out3 Mux"},
+ {"OUT3", NULL, "Out 3"},
+
+ /* Left Line Mux */
+ {"Left Line Mux", "Line 1", "LINPUT1"},
+ {"Left Line Mux", "Line 2", "LINPUT2"},
+ {"Left Line Mux", "Line 3", "LINPUT3"},
+ {"Left Line Mux", "PGA", "Left PGA Mux"},
+ {"Left Line Mux", "Differential", "Differential Mux"},
+
+ /* Right Line Mux */
+ {"Right Line Mux", "Line 1", "RINPUT1"},
+ {"Right Line Mux", "Line 2", "RINPUT2"},
+ {"Right Line Mux", "Line 3", "RINPUT3"},
+ {"Right Line Mux", "PGA", "Right PGA Mux"},
+ {"Right Line Mux", "Differential", "Differential Mux"},
+
+ /* Left PGA Mux */
+ {"Left PGA Mux", "Line 1", "LINPUT1"},
+ {"Left PGA Mux", "Line 2", "LINPUT2"},
+ {"Left PGA Mux", "Line 3", "LINPUT3"},
+ {"Left PGA Mux", "Differential", "Differential Mux"},
+
+ /* Right PGA Mux */
+ {"Right PGA Mux", "Line 1", "RINPUT1"},
+ {"Right PGA Mux", "Line 2", "RINPUT2"},
+ {"Right PGA Mux", "Line 3", "RINPUT3"},
+ {"Right PGA Mux", "Differential", "Differential Mux"},
+
+ /* Differential Mux */
+ {"Differential Mux", "Line 1", "LINPUT1"},
+ {"Differential Mux", "Line 1", "RINPUT1"},
+ {"Differential Mux", "Line 2", "LINPUT2"},
+ {"Differential Mux", "Line 2", "RINPUT2"},
+
+ /* Left ADC Mux */
+ {"Left ADC Mux", "Stereo", "Left PGA Mux"},
+ {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
+ {"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
+
+ /* Right ADC Mux */
+ {"Right ADC Mux", "Stereo", "Right PGA Mux"},
+ {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
+ {"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
+
+ /* ADC */
+ {"Left ADC", NULL, "Left ADC Mux"},
+ {"Right ADC", NULL, "Right ADC Mux"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8750_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8750_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;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:5;
+ u8 usb:1;
+};
+
+/* codec hifi mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 8k */
+ {12288000, 8000, 1536, 0x6, 0x0},
+ {11289600, 8000, 1408, 0x16, 0x0},
+ {18432000, 8000, 2304, 0x7, 0x0},
+ {16934400, 8000, 2112, 0x17, 0x0},
+ {12000000, 8000, 1500, 0x6, 0x1},
+
+ /* 11.025k */
+ {11289600, 11025, 1024, 0x18, 0x0},
+ {16934400, 11025, 1536, 0x19, 0x0},
+ {12000000, 11025, 1088, 0x19, 0x1},
+
+ /* 16k */
+ {12288000, 16000, 768, 0xa, 0x0},
+ {18432000, 16000, 1152, 0xb, 0x0},
+ {12000000, 16000, 750, 0xa, 0x1},
+
+ /* 22.05k */
+ {11289600, 22050, 512, 0x1a, 0x0},
+ {16934400, 22050, 768, 0x1b, 0x0},
+ {12000000, 22050, 544, 0x1b, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0xc, 0x0},
+ {18432000, 32000, 576, 0xd, 0x0},
+ {12000000, 32000, 375, 0xa, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x10, 0x0},
+ {16934400, 44100, 384, 0x11, 0x0},
+ {12000000, 44100, 272, 0x11, 0x1},
+
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0},
+ {18432000, 48000, 384, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0x1e, 0x0},
+ {16934400, 88200, 192, 0x1f, 0x0},
+ {12000000, 88200, 136, 0x1f, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0xe, 0x0},
+ {18432000, 96000, 192, 0xf, 0x0},
+ {12000000, 96000, 125, 0xe, 0x1},
+};
+
+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;
+ }
+
+ printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n",
+ mclk, rate);
+ return -EINVAL;
+}
+
+static int wm8750_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct wm8750_priv *wm8750 = codec->private_data;
+
+ switch (freq) {
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 16934400:
+ case 18432000:
+ wm8750->sysclk = freq;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int wm8750_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 iface = 0;
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface = 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* clock inversion */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wm8750_write(codec, WM8750_IFACE, iface);
+ return 0;
+}
+
+static int wm8750_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;
+ struct wm8750_priv *wm8750 = codec->private_data;
+ u16 iface = wm8750_read_reg_cache(codec, WM8750_IFACE) & 0x1f3;
+ u16 srate = wm8750_read_reg_cache(codec, WM8750_SRATE) & 0x1c0;
+ int coeff = get_coeff(wm8750->sysclk, params_rate(params));
+
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+
+ /* set iface & srate */
+ wm8750_write(codec, WM8750_IFACE, iface);
+ if (coeff >= 0)
+ wm8750_write(codec, WM8750_SRATE, srate |
+ (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
+
+ return 0;
+}
+
+static int wm8750_mute(struct snd_soc_codec_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7;
+
+ if (mute)
+ wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8);
+ else
+ wm8750_write(codec, WM8750_ADCDAC, mute_reg);
+ return 0;
+}
+
+static int wm8750_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* set vmid to 50k and unmute dac */
+ wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ /* set vmid to 5k for quick power up */
+ wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* mute dac and set vmid to 500k, enable VREF */
+ wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ wm8750_write(codec, WM8750_PWR1, 0x0001);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+#define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+struct snd_soc_codec_dai wm8750_dai = {
+ .name = "WM8750",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8750_RATES,
+ .formats = WM8750_FORMATS,},
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM8750_RATES,
+ .formats = WM8750_FORMATS,},
+ .ops = {
+ .hw_params = wm8750_pcm_hw_params,
+ },
+ .dai_ops = {
+ .digital_mute = wm8750_mute,
+ .set_fmt = wm8750_set_dai_fmt,
+ .set_sysclk = wm8750_set_dai_sysclk,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8750_dai);
+
+static void wm8750_work(struct work_struct *work)
+{
+ struct snd_soc_codec *codec =
+ container_of(work, struct snd_soc_codec, delayed_work.work);
+ wm8750_dapm_event(codec, codec->dapm_state);
+}
+
+static int wm8750_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8750_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) {
+ if (i == WM8750_RESET)
+ continue;
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* charge wm8750 caps */
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D0;
+ schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000));
+ }
+
+ return 0;
+}
+
+/*
+ * initialise the WM8750 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8750_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8750";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8750_read_reg_cache;
+ codec->write = wm8750_write;
+ codec->dapm_event = wm8750_dapm_event;
+ codec->dai = &wm8750_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = sizeof(wm8750_reg);
+ codec->reg_cache = kmemdup(wm8750_reg, sizeof(wm8750_reg), GFP_KRENEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+
+ wm8750_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8750: failed to create pcms\n");
+ goto pcm_err;
+ }
+
+ /* charge output caps */
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D3hot;
+ schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000));
+
+ /* set the update bits */
+ reg = wm8750_read_reg_cache(codec, WM8750_LDAC);
+ wm8750_write(codec, WM8750_LDAC, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_RDAC);
+ wm8750_write(codec, WM8750_RDAC, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_LOUT1V);
+ wm8750_write(codec, WM8750_LOUT1V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_ROUT1V);
+ wm8750_write(codec, WM8750_ROUT1V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_LOUT2V);
+ wm8750_write(codec, WM8750_LOUT2V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_ROUT2V);
+ wm8750_write(codec, WM8750_ROUT2V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_LINVOL);
+ wm8750_write(codec, WM8750_LINVOL, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_RINVOL);
+ wm8750_write(codec, WM8750_RINVOL, reg | 0x0100);
+
+ wm8750_add_controls(codec);
+ wm8750_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "wm8750: failed to register card\n");
+ goto card_err;
+ }
+ return ret;
+
+card_err:
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+pcm_err:
+ kfree(codec->reg_cache);
+ return ret;
+}
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static struct snd_soc_device *wm8750_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8731 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8750_i2c_driver;
+static struct i2c_client client_template;
+
+static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8750_socdev;
+ struct wm8750_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8750_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8750\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8750_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8750_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8750_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8750_i2c_driver = {
+ .driver = {
+ .name = "WM8750 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8750,
+ .attach_adapter = wm8750_i2c_attach,
+ .detach_client = wm8750_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8750",
+ .driver = &wm8750_i2c_driver,
+};
+#endif
+
+static int wm8750_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8750_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec;
+ struct wm8750_priv *wm8750;
+ int ret = 0;
+
+ info("WM8750 Audio Codec %s", WM8750_VERSION);
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
+ if (wm8750 == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+
+ codec->private_data = wm8750;
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ wm8750_socdev = socdev;
+ INIT_DELAYED_WORK(&codec->delayed_work, wm8750_work);
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8750_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+
+ return ret;
+}
+
+/*
+ * This function forces any delayed work to be queued and run.
+ */
+static int run_delayed_work(struct delayed_work *dwork)
+{
+ int ret;
+
+ /* cancel any work waiting to be queued. */
+ ret = cancel_delayed_work(dwork);
+
+ /* if there was any work waiting then we run it now and
+ * wait for it's completion */
+ if (ret) {
+ schedule_delayed_work(dwork, 0);
+ flush_scheduled_work();
+ }
+ return ret;
+}
+
+/* power down chip */
+static int wm8750_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ run_delayed_work(&codec->delayed_work);
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8750_i2c_driver);
+#endif
+ kfree(codec->private_data);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8750 = {
+ .probe = wm8750_probe,
+ .remove = wm8750_remove,
+ .suspend = wm8750_suspend,
+ .resume = wm8750_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750);
+
+MODULE_DESCRIPTION("ASoC WM8750 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm8750.h b/sound/soc/codecs/wm8750.h
new file mode 100644
index 00000000000..a97a54a6348
--- /dev/null
+++ b/sound/soc/codecs/wm8750.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on WM8753.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef _WM8750_H
+#define _WM8750_H
+
+/* WM8750 register space */
+
+#define WM8750_LINVOL 0x00
+#define WM8750_RINVOL 0x01
+#define WM8750_LOUT1V 0x02
+#define WM8750_ROUT1V 0x03
+#define WM8750_ADCDAC 0x05
+#define WM8750_IFACE 0x07
+#define WM8750_SRATE 0x08
+#define WM8750_LDAC 0x0a
+#define WM8750_RDAC 0x0b
+#define WM8750_BASS 0x0c
+#define WM8750_TREBLE 0x0d
+#define WM8750_RESET 0x0f
+#define WM8750_3D 0x10
+#define WM8750_ALC1 0x11
+#define WM8750_ALC2 0x12
+#define WM8750_ALC3 0x13
+#define WM8750_NGATE 0x14
+#define WM8750_LADC 0x15
+#define WM8750_RADC 0x16
+#define WM8750_ADCTL1 0x17
+#define WM8750_ADCTL2 0x18
+#define WM8750_PWR1 0x19
+#define WM8750_PWR2 0x1a
+#define WM8750_ADCTL3 0x1b
+#define WM8750_ADCIN 0x1f
+#define WM8750_LADCIN 0x20
+#define WM8750_RADCIN 0x21
+#define WM8750_LOUTM1 0x22
+#define WM8750_LOUTM2 0x23
+#define WM8750_ROUTM1 0x24
+#define WM8750_ROUTM2 0x25
+#define WM8750_MOUTM1 0x26
+#define WM8750_MOUTM2 0x27
+#define WM8750_LOUT2V 0x28
+#define WM8750_ROUT2V 0x29
+#define WM8750_MOUTV 0x2a
+
+#define WM8750_CACHE_REGNUM 0x2a
+
+#define WM8750_SYSCLK 0
+
+struct wm8750_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8750_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8750;
+
+#endif
diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
new file mode 100644
index 00000000000..92a64871bcd
--- /dev/null
+++ b/sound/soc/codecs/wm9712.c
@@ -0,0 +1,771 @@
+/*
+ * wm9712.c -- ALSA Soc WM9712 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.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#define WM9712_VERSION "0.4"
+
+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);
+
+/*
+ * WM9712 register cache
+ */
+static const u16 wm9712_reg[] = {
+ 0x6174, 0x8000, 0x8000, 0x8000, // 6
+ 0xf0f0, 0xaaa0, 0xc008, 0x6808, // e
+ 0xe808, 0xaaa0, 0xad00, 0x8000, // 16
+ 0xe808, 0x3000, 0x8000, 0x0000, // 1e
+ 0x0000, 0x0000, 0x0000, 0x000f, // 26
+ 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
+ 0x0000, 0xbb80, 0x0000, 0x0000, // 36
+ 0x0000, 0x2000, 0x0000, 0x0000, // 3e
+ 0x0000, 0x0000, 0x0000, 0x0000, // 46
+ 0x0000, 0x0000, 0xf83e, 0xffff, // 4e
+ 0x0000, 0x0000, 0x0000, 0xf83e, // 56
+ 0x0008, 0x0000, 0x0000, 0x0000, // 5e
+ 0xb032, 0x3e00, 0x0000, 0x0000, // 66
+ 0x0000, 0x0000, 0x0000, 0x0000, // 6e
+ 0x0000, 0x0000, 0x0000, 0x0006, // 76
+ 0x0001, 0x0000, 0x574d, 0x4c12, // 7e
+ 0x0000, 0x0000 // virtual hp mixers
+};
+
+/* virtual HP mixers regs */
+#define HPL_MIXER 0x80
+#define HPR_MIXER 0x82
+
+static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
+static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
+static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
+ "Mono"};
+static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
+static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
+static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
+static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
+ "Stereo"};
+static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
+ "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
+static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
+static const char *wm9712_diff_sel[] = {"Mic", "Line"};
+
+static const struct soc_enum wm9712_enum[] = {
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
+SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
+SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
+SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
+SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
+SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
+SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
+SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
+SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
+SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
+SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
+};
+
+static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
+SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
+SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
+SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
+SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
+
+SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
+SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
+SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
+SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
+SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 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", wm9712_enum[0]),
+SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
+SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
+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", wm9712_enum[10]),
+SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
+
+SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
+SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
+
+SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
+SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
+SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
+
+SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
+SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
+SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
+
+SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
+SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
+SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
+
+SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0),
+SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
+
+SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
+SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
+
+SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
+SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
+SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
+
+SOC_ENUM("Bass Control", wm9712_enum[5]),
+SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
+SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
+SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
+SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0),
+SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
+
+SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
+SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
+SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
+SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
+
+SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
+SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
+SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm9712_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm9712_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.
+ */
+static int mixer_event (struct snd_soc_dapm_widget *w, int event)
+{
+ u16 l, r, beep, line, phone, mic, pcm, aux;
+
+ l = ac97_read(w->codec, HPL_MIXER);
+ r = ac97_read(w->codec, HPR_MIXER);
+ beep = ac97_read(w->codec, AC97_PC_BEEP);
+ mic = ac97_read(w->codec, AC97_VIDEO);
+ phone = ac97_read(w->codec, AC97_PHONE);
+ line = ac97_read(w->codec, AC97_LINE);
+ pcm = ac97_read(w->codec, AC97_PCM);
+ aux = ac97_read(w->codec, AC97_CD);
+
+ if (l & 0x1 || r & 0x1)
+ ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
+
+ if (l & 0x2 || r & 0x2)
+ ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
+
+ if (l & 0x4 || r & 0x4)
+ ac97_write(w->codec, AC97_LINE, line & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_LINE, line | 0x8000);
+
+ if (l & 0x8 || r & 0x8)
+ ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
+
+ if (l & 0x10 || r & 0x10)
+ ac97_write(w->codec, AC97_CD, aux & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_CD, aux | 0x8000);
+
+ if (l & 0x20 || r & 0x20)
+ ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
+
+ return 0;
+}
+
+/* Left Headphone Mixers */
+static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
+ SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
+ SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
+ SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
+ SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
+ SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
+};
+
+/* Right Headphone Mixers */
+static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
+ SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
+ SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
+ SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
+ SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
+ SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
+};
+
+/* Speaker Mixer */
+static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
+ SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
+ SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
+ SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
+ SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
+};
+
+/* Phone Mixer */
+static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
+ SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
+ SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
+ SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
+ SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
+ SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
+};
+
+/* ALC headphone mux */
+static const struct snd_kcontrol_new wm9712_alc_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[1]);
+
+/* out 3 mux */
+static const struct snd_kcontrol_new wm9712_out3_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[2]);
+
+/* spk mux */
+static const struct snd_kcontrol_new wm9712_spk_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[3]);
+
+/* Capture to Phone mux */
+static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[4]);
+
+/* Capture left select */
+static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[8]);
+
+/* Capture right select */
+static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[9]);
+
+/* Mic select */
+static const struct snd_kcontrol_new wm9712_mic_src_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[7]);
+
+/* diff select */
+static const struct snd_kcontrol_new wm9712_diff_sel_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[11]);
+
+static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
+SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_alc_mux_controls),
+SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_out3_mux_controls),
+SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_spk_mux_controls),
+SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_capture_phone_mux_controls),
+SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
+ &wm9712_capture_selectl_controls),
+SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
+ &wm9712_capture_selectr_controls),
+SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
+ &wm9712_mic_src_controls),
+SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
+ &wm9712_diff_sel_controls),
+SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
+ &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
+ mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
+ &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
+ mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
+ &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
+SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
+ &wm9712_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm9712_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
+SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
+SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
+SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
+SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("HPOUTL"),
+SND_SOC_DAPM_OUTPUT("HPOUTR"),
+SND_SOC_DAPM_OUTPUT("LOUT2"),
+SND_SOC_DAPM_OUTPUT("ROUT2"),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+SND_SOC_DAPM_INPUT("LINEINL"),
+SND_SOC_DAPM_INPUT("LINEINR"),
+SND_SOC_DAPM_INPUT("PHONE"),
+SND_SOC_DAPM_INPUT("PCBEEP"),
+SND_SOC_DAPM_INPUT("MIC1"),
+SND_SOC_DAPM_INPUT("MIC2"),
+};
+
+static const char *audio_map[][3] = {
+ /* virtual mixer - mixes left & right channels for spk and mono */
+ {"AC97 Mixer", NULL, "Left DAC"},
+ {"AC97 Mixer", NULL, "Right DAC"},
+
+ /* Left HP mixer */
+ {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
+ {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
+ {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
+ {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
+ //{"Right HP Mixer", NULL, "HP Mixer"},
+
+ /* Right HP mixer */
+ {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
+ {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
+ {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
+ {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
+
+ /* speaker mixer */
+ {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
+ {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
+
+ /* Phone mixer */
+ {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
+ {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
+ {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
+
+ /* inputs */
+ {"Line PGA", NULL, "LINEINL"},
+ {"Line PGA", NULL, "LINEINR"},
+ {"Phone PGA", NULL, "PHONE"},
+ {"Mic PGA", NULL, "MIC1"},
+ {"Mic PGA", NULL, "MIC2"},
+
+ /* left capture selector */
+ {"Left Capture Select", "Mic", "MIC1"},
+ {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
+ {"Left Capture Select", "Line", "LINEINL"},
+ {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
+ {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
+ {"Left Capture Select", "Phone", "PHONE"},
+
+ /* right capture selector */
+ {"Right Capture Select", "Mic", "MIC2"},
+ {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
+ {"Right Capture Select", "Line", "LINEINR"},
+ {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
+ {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
+ {"Right Capture Select", "Phone", "PHONE"},
+
+ /* ALC Sidetone */
+ {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
+ {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
+ {"ALC Sidetone Mux", "Left", "Left Capture Select"},
+ {"ALC Sidetone Mux", "Right", "Right Capture Select"},
+
+ /* ADC's */
+ {"Left ADC", NULL, "Left Capture Select"},
+ {"Right ADC", NULL, "Right Capture Select"},
+
+ /* outputs */
+ {"MONOOUT", NULL, "Phone Mixer"},
+ {"HPOUTL", NULL, "Headphone PGA"},
+ {"Headphone PGA", NULL, "Left HP Mixer"},
+ {"HPOUTR", NULL, "Headphone PGA"},
+ {"Headphone PGA", NULL, "Right HP Mixer"},
+
+ /* mono hp mixer */
+ {"Mono HP Mixer", NULL, "Left HP Mixer"},
+ {"Mono HP Mixer", NULL, "Right HP Mixer"},
+
+ /* Out3 Mux */
+ {"Out3 Mux", "Left", "Left HP Mixer"},
+ {"Out3 Mux", "Mono", "Phone Mixer"},
+ {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
+ {"Out 3 PGA", NULL, "Out3 Mux"},
+ {"OUT3", NULL, "Out 3 PGA"},
+
+ /* speaker Mux */
+ {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
+ {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
+ {"Speaker PGA", NULL, "Speaker Mux"},
+ {"LOUT2", NULL, "Speaker PGA"},
+ {"ROUT2", NULL, "Speaker PGA"},
+
+ {NULL, NULL, NULL},
+};
+
+static int wm9712_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm9712_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_REC_GAIN)
+ return soc_ac97_ops.read(codec->ac97, reg);
+ else {
+ reg = reg >> 1;
+
+ if (reg > (ARRAY_SIZE(wm9712_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;
+
+ soc_ac97_ops.write(codec->ac97, reg, val);
+ reg = reg >> 1;
+ if (reg <= (ARRAY_SIZE(wm9712_reg)))
+ cache[reg] = val;
+
+ return 0;
+}
+
+static int ac97_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg;
+ u16 vra;
+
+ vra = ac97_read(codec, AC97_EXTENDED_STATUS);
+ ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ reg = AC97_PCM_FRONT_DAC_RATE;
+ else
+ reg = AC97_PCM_LR_ADC_RATE;
+
+ return ac97_write(codec, reg, runtime->rate);
+}
+
+static int ac97_aux_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 vra, xsle;
+
+ vra = ac97_read(codec, AC97_EXTENDED_STATUS);
+ ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
+ xsle = ac97_read(codec, AC97_PCI_SID);
+ ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
+
+ if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+ return -ENODEV;
+
+ return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
+}
+
+#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+
+struct snd_soc_codec_dai wm9712_dai[] = {
+{
+ .name = "AC97 HiFi",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM9712_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM9712_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .prepare = ac97_prepare,},
+},
+{
+ .name = "AC97 Aux",
+ .playback = {
+ .stream_name = "Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = WM9712_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .prepare = ac97_aux_prepare,},
+}
+};
+EXPORT_SYMBOL_GPL(wm9712_dai);
+
+static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* liam - maybe enable thermal shutdown */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* enable master bias and vmid */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ ac97_write(codec, AC97_POWERDOWN, 0x0000);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* disable everything including AC link */
+ ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
+ ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
+ ac97_write(codec, AC97_POWERDOWN, 0xffff);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
+{
+ if (try_warm && soc_ac97_ops.warm_reset) {
+ soc_ac97_ops.warm_reset(codec->ac97);
+ if (!(ac97_read(codec, 0) & 0x8000))
+ return 1;
+ }
+
+ soc_ac97_ops.reset(codec->ac97);
+ if (ac97_read(codec, 0) & 0x8000)
+ goto err;
+ return 0;
+
+err:
+ printk(KERN_ERR "WM9712 AC97 reset failed\n");
+ return -EIO;
+}
+
+static int wm9712_soc_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm9712_soc_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i, ret;
+ u16 *cache = codec->reg_cache;
+
+ ret = wm9712_reset(codec, 1);
+ if (ret < 0){
+ printk(KERN_ERR "could not reset AC97 codec\n");
+ return ret;
+ }
+
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ if (ret == 0) {
+ /* Sync reg_cache with the hardware after cold reset */
+ for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
+ if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
+ (i > 0x58 && i != 0x5c))
+ continue;
+ soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
+ }
+ }
+
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
+
+ return ret;
+}
+
+static int wm9712_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
+
+ socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (socdev->codec == NULL)
+ return -ENOMEM;
+ codec = socdev->codec;
+ mutex_init(&codec->mutex);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL) {
+ ret = -ENOMEM;
+ goto cache_err;
+ }
+ memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg);
+ codec->reg_cache_step = 2;
+
+ codec->name = "WM9712";
+ codec->owner = THIS_MODULE;
+ codec->dai = wm9712_dai;
+ codec->num_dai = ARRAY_SIZE(wm9712_dai);
+ codec->write = ac97_write;
+ codec->read = ac97_read;
+ codec->dapm_event = wm9712_dapm_event;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
+ if (ret < 0) {
+ printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
+ goto codec_err;
+ }
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0)
+ goto pcm_err;
+
+ ret = wm9712_reset(codec, 0);
+ if (ret < 0) {
+ printk(KERN_ERR "AC97 link error\n");
+ goto reset_err;
+ }
+
+ /* set alc mux to none */
+ ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
+
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm9712_add_controls(codec);
+ wm9712_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "wm9712: failed to register card\n");
+ goto reset_err;
+ }
+
+ return 0;
+
+reset_err:
+ snd_soc_free_pcms(socdev);
+
+pcm_err:
+ snd_soc_free_ac97_codec(codec);
+
+codec_err:
+ kfree(codec->reg_cache);
+
+cache_err:
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return ret;
+}
+
+static int wm9712_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec == NULL)
+ return 0;
+
+ snd_soc_dapm_free(socdev);
+ snd_soc_free_pcms(socdev);
+ snd_soc_free_ac97_codec(codec);
+ kfree(codec->reg_cache);
+ kfree(codec);
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm9712 = {
+ .probe = wm9712_soc_probe,
+ .remove = wm9712_soc_remove,
+ .suspend = wm9712_soc_suspend,
+ .resume = wm9712_soc_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
+
+MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wm9712.h b/sound/soc/codecs/wm9712.h
new file mode 100644
index 00000000000..719105d61e6
--- /dev/null
+++ b/sound/soc/codecs/wm9712.h
@@ -0,0 +1,14 @@
+/*
+ * wm9712.h -- WM9712 Soc Audio driver
+ */
+
+#ifndef _WM9712_H
+#define _WM9712_H
+
+#define WM9712_DAI_AC97_HIFI 0
+#define WM9712_DAI_AC97_AUX 1
+
+extern struct snd_soc_codec_dai wm9712_dai[2];
+extern struct snd_soc_codec_device soc_codec_dev_wm9712;
+
+#endif