[net-next-2.6.git] / sound / soc / pxa / corgi.c

/*
 * corgi.c  --  SoC audio for Corgi
 *
 * Copyright 2005 Wolfson Microelectronics PLC.
 * Copyright 2005 Openedhand Ltd.
 *
 * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
 *          Richard Purdie <richard@openedhand.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.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include <asm/mach-types.h>
#include <mach/corgi.h>
#include <mach/audio.h>

#include "../codecs/wm8731.h"
#include "pxa2xx-i2s.h"

#define CORGI_HP        0
#define CORGI_MIC       1
#define CORGI_LINE      2
#define CORGI_HEADSET   3
#define CORGI_HP_OFF    4
#define CORGI_SPK_ON    0
#define CORGI_SPK_OFF   1

 /* audio clock in Hz - rounded from 12.235MHz */
#define CORGI_AUDIO_CLOCK 12288000

static int corgi_jack_func;
static int corgi_spk_func;

static void corgi_ext_control(struct snd_soc_codec *codec)
{
	/* set up jack connection */
	switch (corgi_jack_func) {
	case CORGI_HP:
		/* set = unmute headphone */
		gpio_set_value(CORGI_GPIO_MUTE_L, 1);
		gpio_set_value(CORGI_GPIO_MUTE_R, 1);
		snd_soc_dapm_disable_pin(codec, "Mic Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		break;
	case CORGI_MIC:
		/* reset = mute headphone */
		gpio_set_value(CORGI_GPIO_MUTE_L, 0);
		gpio_set_value(CORGI_GPIO_MUTE_R, 0);
		snd_soc_dapm_enable_pin(codec, "Mic Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		break;
	case CORGI_LINE:
		gpio_set_value(CORGI_GPIO_MUTE_L, 0);
		gpio_set_value(CORGI_GPIO_MUTE_R, 0);
		snd_soc_dapm_disable_pin(codec, "Mic Jack");
		snd_soc_dapm_enable_pin(codec, "Line Jack");
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		break;
	case CORGI_HEADSET:
		gpio_set_value(CORGI_GPIO_MUTE_L, 0);
		gpio_set_value(CORGI_GPIO_MUTE_R, 1);
		snd_soc_dapm_enable_pin(codec, "Mic Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_enable_pin(codec, "Headset Jack");
		break;
	}

	if (corgi_spk_func == CORGI_SPK_ON)
		snd_soc_dapm_enable_pin(codec, "Ext Spk");
	else
		snd_soc_dapm_disable_pin(codec, "Ext Spk");

	/* signal a DAPM event */
	snd_soc_dapm_sync(codec);
}

static int corgi_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->codec;

	/* check the jack status at stream startup */
	corgi_ext_control(codec);
	return 0;
}

/* we need to unmute the HP at shutdown as the mute burns power on corgi */
static void corgi_shutdown(struct snd_pcm_substream *substream)
{
	/* set = unmute headphone */
	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
}

static int corgi_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_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	unsigned int clk = 0;
	int ret = 0;

	switch (params_rate(params)) {
	case 8000:
	case 16000:
	case 48000:
	case 96000:
		clk = 12288000;
		break;
	case 11025:
	case 22050:
	case 44100:
		clk = 11289600;
		break;
	}

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set the codec system clock for DAC and ADC */
	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	/* set the I2S system clock as input (unused) */
	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_ops corgi_ops = {
	.startup = corgi_startup,
	.hw_params = corgi_hw_params,
	.shutdown = corgi_shutdown,
};

static int corgi_get_jack(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = corgi_jack_func;
	return 0;
}

static int corgi_set_jack(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	if (corgi_jack_func == ucontrol->value.integer.value[0])
		return 0;

	corgi_jack_func = ucontrol->value.integer.value[0];
	corgi_ext_control(codec);
	return 1;
}

static int corgi_get_spk(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = corgi_spk_func;
	return 0;
}

static int corgi_set_spk(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (corgi_spk_func == ucontrol->value.integer.value[0])
		return 0;

	corgi_spk_func = ucontrol->value.integer.value[0];
	corgi_ext_control(codec);
	return 1;
}

static int corgi_amp_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
	return 0;
}

static int corgi_mic_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
	return 0;
}

/* corgi machine dapm widgets */
static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
SND_SOC_DAPM_LINE("Line Jack", NULL),
SND_SOC_DAPM_HP("Headset Jack", NULL),
};

/* Corgi machine audio map (connections to the codec pins) */
static const struct snd_soc_dapm_route audio_map[] = {

	/* headset Jack  - in = micin, out = LHPOUT*/
	{"Headset Jack", NULL, "LHPOUT"},

	/* headphone connected to LHPOUT1, RHPOUT1 */
	{"Headphone Jack", NULL, "LHPOUT"},
	{"Headphone Jack", NULL, "RHPOUT"},

	/* speaker connected to LOUT, ROUT */
	{"Ext Spk", NULL, "ROUT"},
	{"Ext Spk", NULL, "LOUT"},

	/* mic is connected to MICIN (via right channel of headphone jack) */
	{"MICIN", NULL, "Mic Jack"},

	/* Same as the above but no mic bias for line signals */
	{"MICIN", NULL, "Line Jack"},
};

static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	"Off"};
static const char *spk_function[] = {"On", "Off"};
static const struct soc_enum corgi_enum[] = {
	SOC_ENUM_SINGLE_EXT(5, jack_function),
	SOC_ENUM_SINGLE_EXT(2, spk_function),
};

static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
	SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
		corgi_set_jack),
	SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
		corgi_set_spk),
};

/*
 * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
 */
static int corgi_wm8731_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int err;

	snd_soc_dapm_nc_pin(codec, "LLINEIN");
	snd_soc_dapm_nc_pin(codec, "RLINEIN");

	/* Add corgi specific controls */
	err = snd_soc_add_controls(codec, wm8731_corgi_controls,
				ARRAY_SIZE(wm8731_corgi_controls));
	if (err < 0)
		return err;

	/* Add corgi specific widgets */
	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
				  ARRAY_SIZE(wm8731_dapm_widgets));

	/* Set up corgi specific audio path audio_map */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	snd_soc_dapm_sync(codec);
	return 0;
}

/* corgi digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link corgi_dai = {
	.name = "WM8731",
	.stream_name = "WM8731",
	.cpu_dai_name = "pxa-is2-dai",
	.codec_dai_name = "wm8731-hifi",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm8731-codec-0.001a",
	.init = corgi_wm8731_init,
	.ops = &corgi_ops,
};

/* corgi audio machine driver */
static struct snd_soc_card snd_soc_corgi = {
	.name = "Corgi",
	.dai_link = &corgi_dai,
	.num_links = 1,
};

static struct platform_device *corgi_snd_device;

static int __init corgi_init(void)
{
	int ret;

	if (!(machine_is_corgi() || machine_is_shepherd() ||
	      machine_is_husky()))
		return -ENODEV;

	corgi_snd_device = platform_device_alloc("soc-audio", -1);
	if (!corgi_snd_device)
		return -ENOMEM;

	platform_set_drvdata(corgi_snd_device, &snd_soc_corgi);
	ret = platform_device_add(corgi_snd_device);

	if (ret)
		platform_device_put(corgi_snd_device);

	return ret;
}

static void __exit corgi_exit(void)
{
	platform_device_unregister(corgi_snd_device);
}

module_init(corgi_init);
module_exit(corgi_exit);

/* Module information */
MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Corgi");
MODULE_LICENSE("GPL");
Commit	Line	Data
a1eb4b3c LG	1	/*
	2	* corgi.c -- SoC audio for Corgi
	3	*
	4	* Copyright 2005 Wolfson Microelectronics PLC.
	5	* Copyright 2005 Openedhand Ltd.
	6	*
d331124d	7	* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
a1eb4b3c LG	8	* Richard Purdie <richard@openedhand.com>
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
a1eb4b3c LG	14	*/
	15
	16	#include <linux/module.h>
	17	#include <linux/moduleparam.h>
	18	#include <linux/timer.h>
fc996757	19	#include <linux/i2c.h>
a1eb4b3c LG	20	#include <linux/interrupt.h>
a1eb4b3c LG	21	#include <linux/platform_device.h>
6168cda9	22	#include <linux/gpio.h>
a1eb4b3c LG	23	#include <sound/core.h>
	24	#include <sound/pcm.h>
	25	#include <sound/soc.h>
	26	#include <sound/soc-dapm.h>
	27
	28	#include <asm/mach-types.h>
a09e64fb RK	29	#include <mach/corgi.h>
a09e64fb RK	30	#include <mach/audio.h>
a1eb4b3c LG	31
a1eb4b3c LG	32	#include "../codecs/wm8731.h"
d928b25a	33	#include "pxa2xx-i2s.h"
a1eb4b3c LG	34
	35	#define CORGI_HP 0
	36	#define CORGI_MIC 1
	37	#define CORGI_LINE 2
	38	#define CORGI_HEADSET 3
	39	#define CORGI_HP_OFF 4
	40	#define CORGI_SPK_ON 0
	41	#define CORGI_SPK_OFF 1
	42
	43	/* audio clock in Hz - rounded from 12.235MHz */
	44	#define CORGI_AUDIO_CLOCK 12288000
	45
	46	static int corgi_jack_func;
	47	static int corgi_spk_func;
	48
	49	static void corgi_ext_control(struct snd_soc_codec *codec)
	50	{
a1eb4b3c LG	51	/* set up jack connection */
	52	switch (corgi_jack_func) {
	53	case CORGI_HP:
a1eb4b3c	54	/* set = unmute headphone */
6168cda9 EM	55	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	56	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
a5302181 LG	57	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	58	snd_soc_dapm_disable_pin(codec, "Line Jack");
	59	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	60	snd_soc_dapm_disable_pin(codec, "Headset Jack");
a1eb4b3c LG	61	break;
a1eb4b3c LG	62	case CORGI_MIC:
a1eb4b3c	63	/* reset = mute headphone */
6168cda9 EM	64	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	65	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
a5302181 LG	66	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	67	snd_soc_dapm_disable_pin(codec, "Line Jack");
	68	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	69	snd_soc_dapm_disable_pin(codec, "Headset Jack");
a1eb4b3c LG	70	break;
a1eb4b3c LG	71	case CORGI_LINE:
6168cda9 EM	72	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	73	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
a5302181 LG	74	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	75	snd_soc_dapm_enable_pin(codec, "Line Jack");
	76	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	77	snd_soc_dapm_disable_pin(codec, "Headset Jack");
a1eb4b3c LG	78	break;
a1eb4b3c LG	79	case CORGI_HEADSET:
6168cda9 EM	80	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	81	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
a5302181 LG	82	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	83	snd_soc_dapm_disable_pin(codec, "Line Jack");
	84	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	85	snd_soc_dapm_enable_pin(codec, "Headset Jack");
a1eb4b3c LG	86	break;
	87	}
	88
	89	if (corgi_spk_func == CORGI_SPK_ON)
a5302181 LG	90	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	91	else
	92	snd_soc_dapm_disable_pin(codec, "Ext Spk");
a1eb4b3c LG	93
a1eb4b3c LG	94	/* signal a DAPM event */
a5302181	95	snd_soc_dapm_sync(codec);
a1eb4b3c LG	96	}
	97
	98	static int corgi_startup(struct snd_pcm_substream *substream)
	99	{
	100	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	101	struct snd_soc_codec *codec = rtd->codec;
a1eb4b3c LG	102
	103	/* check the jack status at stream startup */
	104	corgi_ext_control(codec);
	105	return 0;
	106	}
	107
	108	/* we need to unmute the HP at shutdown as the mute burns power on corgi */
5220ed6b	109	static void corgi_shutdown(struct snd_pcm_substream *substream)
a1eb4b3c	110	{
a1eb4b3c	111	/* set = unmute headphone */
6168cda9 EM	112	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	113	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
a1eb4b3c LG	114	}
a1eb4b3c LG	115
d928b25a LG	116	static int corgi_hw_params(struct snd_pcm_substream *substream,
	117	struct snd_pcm_hw_params *params)
	118	{
	119	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	120	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	121	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
d928b25a LG	122	unsigned int clk = 0;
	123	int ret = 0;
	124
	125	switch (params_rate(params)) {
	126	case 8000:
	127	case 16000:
	128	case 48000:
	129	case 96000:
	130	clk = 12288000;
	131	break;
	132	case 11025:
	133	case 22050:
	134	case 44100:
	135	clk = 11289600;
	136	break;
	137	}
	138
	139	/* set codec DAI configuration */
64105cfd	140	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
d928b25a LG	141	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	142	if (ret < 0)
	143	return ret;
	144
	145	/* set cpu DAI configuration */
64105cfd	146	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
d928b25a LG	147	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	148	if (ret < 0)
	149	return ret;
	150
	151	/* set the codec system clock for DAC and ADC */
9745e824	152	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
d928b25a LG	153	SND_SOC_CLOCK_IN);
	154	if (ret < 0)
	155	return ret;
	156
	157	/* set the I2S system clock as input (unused) */
64105cfd	158	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
d928b25a LG	159	SND_SOC_CLOCK_IN);
	160	if (ret < 0)
	161	return ret;
	162
	163	return 0;
	164	}
	165
a1eb4b3c LG	166	static struct snd_soc_ops corgi_ops = {
a1eb4b3c LG	167	.startup = corgi_startup,
d928b25a	168	.hw_params = corgi_hw_params,
a1eb4b3c LG	169	.shutdown = corgi_shutdown,
	170	};
	171
	172	static int corgi_get_jack(struct snd_kcontrol *kcontrol,
	173	struct snd_ctl_elem_value *ucontrol)
	174	{
	175	ucontrol->value.integer.value[0] = corgi_jack_func;
	176	return 0;
	177	}
	178
	179	static int corgi_set_jack(struct snd_kcontrol *kcontrol,
	180	struct snd_ctl_elem_value *ucontrol)
	181	{
	182	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	183
	184	if (corgi_jack_func == ucontrol->value.integer.value[0])
	185	return 0;
	186
	187	corgi_jack_func = ucontrol->value.integer.value[0];
	188	corgi_ext_control(codec);
	189	return 1;
	190	}
	191
	192	static int corgi_get_spk(struct snd_kcontrol *kcontrol,
	193	struct snd_ctl_elem_value *ucontrol)
	194	{
	195	ucontrol->value.integer.value[0] = corgi_spk_func;
	196	return 0;
	197	}
	198
	199	static int corgi_set_spk(struct snd_kcontrol *kcontrol,
	200	struct snd_ctl_elem_value *ucontrol)
	201	{
	202	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	203
	204	if (corgi_spk_func == ucontrol->value.integer.value[0])
	205	return 0;
	206
	207	corgi_spk_func = ucontrol->value.integer.value[0];
	208	corgi_ext_control(codec);
	209	return 1;
	210	}
	211
338c7ed0 JN	212	static int corgi_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	213	struct snd_kcontrol *k, int event)
a1eb4b3c	214	{
6168cda9	215	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	216	return 0;
	217	}
	218
338c7ed0 JN	219	static int corgi_mic_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	220	struct snd_kcontrol *k, int event)
a1eb4b3c	221	{
6168cda9	222	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	223	return 0;
	224	}
	225
	226	/* corgi machine dapm widgets */
	227	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	228	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	229	SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
	230	SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
	231	SND_SOC_DAPM_LINE("Line Jack", NULL),
	232	SND_SOC_DAPM_HP("Headset Jack", NULL),
	233	};
	234
	235	/* Corgi machine audio map (connections to the codec pins) */
25191c45	236	static const struct snd_soc_dapm_route audio_map[] = {
a1eb4b3c LG	237
	238	/* headset Jack - in = micin, out = LHPOUT*/
	239	{"Headset Jack", NULL, "LHPOUT"},
	240
	241	/* headphone connected to LHPOUT1, RHPOUT1 */
	242	{"Headphone Jack", NULL, "LHPOUT"},
	243	{"Headphone Jack", NULL, "RHPOUT"},
	244
	245	/* speaker connected to LOUT, ROUT */
	246	{"Ext Spk", NULL, "ROUT"},
	247	{"Ext Spk", NULL, "LOUT"},
	248
	249	/* mic is connected to MICIN (via right channel of headphone jack) */
	250	{"MICIN", NULL, "Mic Jack"},
	251
	252	/* Same as the above but no mic bias for line signals */
	253	{"MICIN", NULL, "Line Jack"},
a1eb4b3c LG	254	};
	255
	256	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	257	"Off"};
	258	static const char *spk_function[] = {"On", "Off"};
	259	static const struct soc_enum corgi_enum[] = {
	260	SOC_ENUM_SINGLE_EXT(5, jack_function),
	261	SOC_ENUM_SINGLE_EXT(2, spk_function),
	262	};
	263
	264	static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
	265	SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
	266	corgi_set_jack),
	267	SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
	268	corgi_set_spk),
	269	};
	270
	271	/*
	272	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	273	*/
f0fba2ad	274	static int corgi_wm8731_init(struct snd_soc_pcm_runtime *rtd)
a1eb4b3c	275	{
f0fba2ad	276	struct snd_soc_codec *codec = rtd->codec;
eb5f6d75	277	int err;
a1eb4b3c	278
35f5e54d MB	279	snd_soc_dapm_nc_pin(codec, "LLINEIN");
35f5e54d MB	280	snd_soc_dapm_nc_pin(codec, "RLINEIN");
a1eb4b3c LG	281
a1eb4b3c LG	282	/* Add corgi specific controls */
eb5f6d75 PZ	283	err = snd_soc_add_controls(codec, wm8731_corgi_controls,
	284	ARRAY_SIZE(wm8731_corgi_controls));
	285	if (err < 0)
	286	return err;
a1eb4b3c LG	287
a1eb4b3c LG	288	/* Add corgi specific widgets */
25191c45 MB	289	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
25191c45 MB	290	ARRAY_SIZE(wm8731_dapm_widgets));
a1eb4b3c LG	291
a1eb4b3c LG	292	/* Set up corgi specific audio path audio_map */
25191c45	293	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
a1eb4b3c	294
a5302181	295	snd_soc_dapm_sync(codec);
a1eb4b3c LG	296	return 0;
	297	}
	298
a1eb4b3c LG	299	/* corgi digital audio interface glue - connects codec <--> CPU */
	300	static struct snd_soc_dai_link corgi_dai = {
	301	.name = "WM8731",
	302	.stream_name = "WM8731",
f0fba2ad LG	303	.cpu_dai_name = "pxa-is2-dai",
	304	.codec_dai_name = "wm8731-hifi",
	305	.platform_name = "pxa-pcm-audio",
	306	.codec_name = "wm8731-codec-0.001a",
a1eb4b3c	307	.init = corgi_wm8731_init,
d928b25a	308	.ops = &corgi_ops,
a1eb4b3c LG	309	};
	310
	311	/* corgi audio machine driver */
87506549	312	static struct snd_soc_card snd_soc_corgi = {
a1eb4b3c LG	313	.name = "Corgi",
	314	.dai_link = &corgi_dai,
	315	.num_links = 1,
a1eb4b3c LG	316	};
a1eb4b3c LG	317
a1eb4b3c LG	318	static struct platform_device *corgi_snd_device;
	319
	320	static int __init corgi_init(void)
	321	{
	322	int ret;
	323
1bfcd361 MB	324	if (!(machine_is_corgi() \|\| machine_is_shepherd() \|\|
1bfcd361 MB	325	machine_is_husky()))
a1eb4b3c LG	326	return -ENODEV;
	327
	328	corgi_snd_device = platform_device_alloc("soc-audio", -1);
	329	if (!corgi_snd_device)
	330	return -ENOMEM;
	331
f0fba2ad	332	platform_set_drvdata(corgi_snd_device, &snd_soc_corgi);
a1eb4b3c LG	333	ret = platform_device_add(corgi_snd_device);
	334
	335	if (ret)
	336	platform_device_put(corgi_snd_device);
	337
	338	return ret;
	339	}
	340
	341	static void __exit corgi_exit(void)
	342	{
	343	platform_device_unregister(corgi_snd_device);
	344	}
	345
	346	module_init(corgi_init);
	347	module_exit(corgi_exit);
	348
	349	/* Module information */
	350	MODULE_AUTHOR("Richard Purdie");
	351	MODULE_DESCRIPTION("ALSA SoC Corgi");
	352	MODULE_LICENSE("GPL");