[GitHub/mt8127/android_kernel_alcatel_ttab.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)
{
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	/* 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(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin(dapm, "Line Jack");
		snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin(dapm, "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(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin(dapm, "Line Jack");
		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin(dapm, "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(dapm, "Mic Jack");
		snd_soc_dapm_enable_pin(dapm, "Line Jack");
		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin(dapm, "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(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin(dapm, "Line Jack");
		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_enable_pin(dapm, "Headset Jack");
		break;
	}

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

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

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;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int err;

	snd_soc_dapm_nc_pin(dapm, "LLINEIN");
	snd_soc_dapm_nc_pin(dapm, "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(dapm, wm8731_dapm_widgets,
				  ARRAY_SIZE(wm8731_dapm_widgets));

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

	snd_soc_dapm_sync(dapm);
	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	{
ce6120cc LG	51	struct snd_soc_dapm_context *dapm = &codec->dapm;
ce6120cc LG	52
a1eb4b3c LG	53	/* set up jack connection */
	54	switch (corgi_jack_func) {
	55	case CORGI_HP:
a1eb4b3c	56	/* set = unmute headphone */
6168cda9 EM	57	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	58	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
ce6120cc LG	59	snd_soc_dapm_disable_pin(dapm, "Mic Jack");
	60	snd_soc_dapm_disable_pin(dapm, "Line Jack");
	61	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	62	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
a1eb4b3c LG	63	break;
a1eb4b3c LG	64	case CORGI_MIC:
a1eb4b3c	65	/* reset = mute headphone */
6168cda9 EM	66	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	67	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
ce6120cc LG	68	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	69	snd_soc_dapm_disable_pin(dapm, "Line Jack");
	70	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	71	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
a1eb4b3c LG	72	break;
a1eb4b3c LG	73	case CORGI_LINE:
6168cda9 EM	74	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	75	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
ce6120cc LG	76	snd_soc_dapm_disable_pin(dapm, "Mic Jack");
	77	snd_soc_dapm_enable_pin(dapm, "Line Jack");
	78	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	79	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
a1eb4b3c LG	80	break;
a1eb4b3c LG	81	case CORGI_HEADSET:
6168cda9 EM	82	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	83	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
ce6120cc LG	84	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	85	snd_soc_dapm_disable_pin(dapm, "Line Jack");
	86	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	87	snd_soc_dapm_enable_pin(dapm, "Headset Jack");
a1eb4b3c LG	88	break;
	89	}
	90
	91	if (corgi_spk_func == CORGI_SPK_ON)
ce6120cc	92	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
a5302181	93	else
ce6120cc	94	snd_soc_dapm_disable_pin(dapm, "Ext Spk");
a1eb4b3c LG	95
a1eb4b3c LG	96	/* signal a DAPM event */
ce6120cc	97	snd_soc_dapm_sync(dapm);
a1eb4b3c LG	98	}
	99
	100	static int corgi_startup(struct snd_pcm_substream *substream)
	101	{
	102	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	103	struct snd_soc_codec *codec = rtd->codec;
a1eb4b3c LG	104
	105	/* check the jack status at stream startup */
	106	corgi_ext_control(codec);
	107	return 0;
	108	}
	109
	110	/* we need to unmute the HP at shutdown as the mute burns power on corgi */
5220ed6b	111	static void corgi_shutdown(struct snd_pcm_substream *substream)
a1eb4b3c	112	{
a1eb4b3c	113	/* set = unmute headphone */
6168cda9 EM	114	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	115	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
a1eb4b3c LG	116	}
a1eb4b3c LG	117
d928b25a LG	118	static int corgi_hw_params(struct snd_pcm_substream *substream,
	119	struct snd_pcm_hw_params *params)
	120	{
	121	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	122	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	123	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
d928b25a LG	124	unsigned int clk = 0;
	125	int ret = 0;
	126
	127	switch (params_rate(params)) {
	128	case 8000:
	129	case 16000:
	130	case 48000:
	131	case 96000:
	132	clk = 12288000;
	133	break;
	134	case 11025:
	135	case 22050:
	136	case 44100:
	137	clk = 11289600;
	138	break;
	139	}
	140
	141	/* set codec DAI configuration */
64105cfd	142	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
d928b25a LG	143	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	144	if (ret < 0)
	145	return ret;
	146
	147	/* set cpu DAI configuration */
64105cfd	148	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
d928b25a LG	149	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	150	if (ret < 0)
	151	return ret;
	152
	153	/* set the codec system clock for DAC and ADC */
9745e824	154	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
d928b25a LG	155	SND_SOC_CLOCK_IN);
	156	if (ret < 0)
	157	return ret;
	158
	159	/* set the I2S system clock as input (unused) */
64105cfd	160	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
d928b25a LG	161	SND_SOC_CLOCK_IN);
	162	if (ret < 0)
	163	return ret;
	164
	165	return 0;
	166	}
	167
a1eb4b3c LG	168	static struct snd_soc_ops corgi_ops = {
a1eb4b3c LG	169	.startup = corgi_startup,
d928b25a	170	.hw_params = corgi_hw_params,
a1eb4b3c LG	171	.shutdown = corgi_shutdown,
	172	};
	173
	174	static int corgi_get_jack(struct snd_kcontrol *kcontrol,
	175	struct snd_ctl_elem_value *ucontrol)
	176	{
	177	ucontrol->value.integer.value[0] = corgi_jack_func;
	178	return 0;
	179	}
	180
	181	static int corgi_set_jack(struct snd_kcontrol *kcontrol,
	182	struct snd_ctl_elem_value *ucontrol)
	183	{
	184	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	185
	186	if (corgi_jack_func == ucontrol->value.integer.value[0])
	187	return 0;
	188
	189	corgi_jack_func = ucontrol->value.integer.value[0];
	190	corgi_ext_control(codec);
	191	return 1;
	192	}
	193
	194	static int corgi_get_spk(struct snd_kcontrol *kcontrol,
	195	struct snd_ctl_elem_value *ucontrol)
	196	{
	197	ucontrol->value.integer.value[0] = corgi_spk_func;
	198	return 0;
	199	}
	200
	201	static int corgi_set_spk(struct snd_kcontrol *kcontrol,
	202	struct snd_ctl_elem_value *ucontrol)
	203	{
	204	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	205
	206	if (corgi_spk_func == ucontrol->value.integer.value[0])
	207	return 0;
	208
	209	corgi_spk_func = ucontrol->value.integer.value[0];
	210	corgi_ext_control(codec);
	211	return 1;
	212	}
	213
338c7ed0 JN	214	static int corgi_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	215	struct snd_kcontrol *k, int event)
a1eb4b3c	216	{
6168cda9	217	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	218	return 0;
	219	}
	220
338c7ed0 JN	221	static int corgi_mic_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	222	struct snd_kcontrol *k, int event)
a1eb4b3c	223	{
6168cda9	224	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	225	return 0;
	226	}
	227
	228	/* corgi machine dapm widgets */
	229	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	230	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	231	SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
	232	SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
	233	SND_SOC_DAPM_LINE("Line Jack", NULL),
	234	SND_SOC_DAPM_HP("Headset Jack", NULL),
	235	};
	236
	237	/* Corgi machine audio map (connections to the codec pins) */
25191c45	238	static const struct snd_soc_dapm_route audio_map[] = {
a1eb4b3c LG	239
	240	/* headset Jack - in = micin, out = LHPOUT*/
	241	{"Headset Jack", NULL, "LHPOUT"},
	242
	243	/* headphone connected to LHPOUT1, RHPOUT1 */
	244	{"Headphone Jack", NULL, "LHPOUT"},
	245	{"Headphone Jack", NULL, "RHPOUT"},
	246
	247	/* speaker connected to LOUT, ROUT */
	248	{"Ext Spk", NULL, "ROUT"},
	249	{"Ext Spk", NULL, "LOUT"},
	250
	251	/* mic is connected to MICIN (via right channel of headphone jack) */
	252	{"MICIN", NULL, "Mic Jack"},
	253
	254	/* Same as the above but no mic bias for line signals */
	255	{"MICIN", NULL, "Line Jack"},
a1eb4b3c LG	256	};
	257
	258	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	259	"Off"};
	260	static const char *spk_function[] = {"On", "Off"};
	261	static const struct soc_enum corgi_enum[] = {
	262	SOC_ENUM_SINGLE_EXT(5, jack_function),
	263	SOC_ENUM_SINGLE_EXT(2, spk_function),
	264	};
	265
	266	static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
	267	SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
	268	corgi_set_jack),
	269	SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
	270	corgi_set_spk),
	271	};
	272
	273	/*
	274	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	275	*/
f0fba2ad	276	static int corgi_wm8731_init(struct snd_soc_pcm_runtime *rtd)
a1eb4b3c	277	{
f0fba2ad	278	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	279	struct snd_soc_dapm_context *dapm = &codec->dapm;
eb5f6d75	280	int err;
a1eb4b3c	281
ce6120cc LG	282	snd_soc_dapm_nc_pin(dapm, "LLINEIN");
ce6120cc LG	283	snd_soc_dapm_nc_pin(dapm, "RLINEIN");
a1eb4b3c LG	284
a1eb4b3c LG	285	/* Add corgi specific controls */
eb5f6d75 PZ	286	err = snd_soc_add_controls(codec, wm8731_corgi_controls,
	287	ARRAY_SIZE(wm8731_corgi_controls));
	288	if (err < 0)
	289	return err;
a1eb4b3c LG	290
a1eb4b3c LG	291	/* Add corgi specific widgets */
ce6120cc	292	snd_soc_dapm_new_controls(dapm, wm8731_dapm_widgets,
25191c45	293	ARRAY_SIZE(wm8731_dapm_widgets));
a1eb4b3c LG	294
a1eb4b3c LG	295	/* Set up corgi specific audio path audio_map */
ce6120cc	296	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
a1eb4b3c	297
ce6120cc	298	snd_soc_dapm_sync(dapm);
a1eb4b3c LG	299	return 0;
	300	}
	301
a1eb4b3c LG	302	/* corgi digital audio interface glue - connects codec <--> CPU */
	303	static struct snd_soc_dai_link corgi_dai = {
	304	.name = "WM8731",
	305	.stream_name = "WM8731",
f0fba2ad LG	306	.cpu_dai_name = "pxa-is2-dai",
	307	.codec_dai_name = "wm8731-hifi",
	308	.platform_name = "pxa-pcm-audio",
	309	.codec_name = "wm8731-codec-0.001a",
a1eb4b3c	310	.init = corgi_wm8731_init,
d928b25a	311	.ops = &corgi_ops,
a1eb4b3c LG	312	};
	313
	314	/* corgi audio machine driver */
87506549	315	static struct snd_soc_card snd_soc_corgi = {
a1eb4b3c LG	316	.name = "Corgi",
	317	.dai_link = &corgi_dai,
	318	.num_links = 1,
a1eb4b3c LG	319	};
a1eb4b3c LG	320
a1eb4b3c LG	321	static struct platform_device *corgi_snd_device;
	322
	323	static int __init corgi_init(void)
	324	{
	325	int ret;
	326
1bfcd361 MB	327	if (!(machine_is_corgi() \|\| machine_is_shepherd() \|\|
1bfcd361 MB	328	machine_is_husky()))
a1eb4b3c LG	329	return -ENODEV;
	330
	331	corgi_snd_device = platform_device_alloc("soc-audio", -1);
	332	if (!corgi_snd_device)
	333	return -ENOMEM;
	334
f0fba2ad	335	platform_set_drvdata(corgi_snd_device, &snd_soc_corgi);
a1eb4b3c LG	336	ret = platform_device_add(corgi_snd_device);
	337
	338	if (ret)
	339	platform_device_put(corgi_snd_device);
	340
	341	return ret;
	342	}
	343
	344	static void __exit corgi_exit(void)
	345	{
	346	platform_device_unregister(corgi_snd_device);
	347	}
	348
	349	module_init(corgi_init);
	350	module_exit(corgi_exit);
	351
	352	/* Module information */
	353	MODULE_AUTHOR("Richard Purdie");
	354	MODULE_DESCRIPTION("ALSA SoC Corgi");
	355	MODULE_LICENSE("GPL");