[deliverable/linux.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 <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_dapm_context *dapm)
{
	snd_soc_dapm_mutex_lock(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_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin_unlocked(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_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin_unlocked(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_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin_unlocked(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_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
		break;
	}

	if (corgi_spk_func == CORGI_SPK_ON)
		snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");

	/* signal a DAPM event */
	snd_soc_dapm_sync_unlocked(dapm);

	snd_soc_dapm_mutex_unlock(dapm);
}

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

	/* check the jack status at stream startup */
	corgi_ext_control(&rtd->card->dapm);

	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 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.enumerated.item[0] = corgi_jack_func;
	return 0;
}

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

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

	corgi_jack_func = ucontrol->value.enumerated.item[0];
	corgi_ext_control(&card->dapm);
	return 1;
}

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

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

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

	corgi_spk_func = ucontrol->value.enumerated.item[0];
	corgi_ext_control(&card->dapm);
	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 corgi_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),
};

/* corgi digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link corgi_dai = {
	.name = "WM8731",
	.stream_name = "WM8731",
	.cpu_dai_name = "pxa2xx-i2s",
	.codec_dai_name = "wm8731-hifi",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm8731.0-001b",
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
		   SND_SOC_DAIFMT_CBS_CFS,
	.ops = &corgi_ops,
};

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

	.controls = wm8731_corgi_controls,
	.num_controls = ARRAY_SIZE(wm8731_corgi_controls),
	.dapm_widgets = wm8731_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
	.dapm_routes = corgi_audio_map,
	.num_dapm_routes = ARRAY_SIZE(corgi_audio_map),
	.fully_routed = true,
};

static int corgi_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &corgi;
	int ret;

	card->dev = &pdev->dev;

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
	return ret;
}

static struct platform_driver corgi_driver = {
	.driver		= {
		.name	= "corgi-audio",
		.pm     = &snd_soc_pm_ops,
	},
	.probe		= corgi_probe,
};

module_platform_driver(corgi_driver);

/* Module information */
MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Corgi");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:corgi-audio");
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>
a1eb4b3c LG	26
a1eb4b3c LG	27	#include <asm/mach-types.h>
a09e64fb RK	28	#include <mach/corgi.h>
a09e64fb RK	29	#include <mach/audio.h>
a1eb4b3c LG	30
a1eb4b3c LG	31	#include "../codecs/wm8731.h"
d928b25a	32	#include "pxa2xx-i2s.h"
a1eb4b3c LG	33
	34	#define CORGI_HP 0
	35	#define CORGI_MIC 1
	36	#define CORGI_LINE 2
	37	#define CORGI_HEADSET 3
	38	#define CORGI_HP_OFF 4
	39	#define CORGI_SPK_ON 0
	40	#define CORGI_SPK_OFF 1
	41
	42	/* audio clock in Hz - rounded from 12.235MHz */
	43	#define CORGI_AUDIO_CLOCK 12288000
	44
	45	static int corgi_jack_func;
	46	static int corgi_spk_func;
	47
022658be	48	static void corgi_ext_control(struct snd_soc_dapm_context *dapm)
a1eb4b3c	49	{
4d9e7348 CK	50	snd_soc_dapm_mutex_lock(dapm);
4d9e7348 CK	51
a1eb4b3c LG	52	/* set up jack connection */
	53	switch (corgi_jack_func) {
	54	case CORGI_HP:
a1eb4b3c	55	/* set = unmute headphone */
6168cda9 EM	56	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	57	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
4d9e7348 CK	58	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
	59	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
	60	snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
	61	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
a1eb4b3c LG	62	break;
a1eb4b3c LG	63	case CORGI_MIC:
a1eb4b3c	64	/* reset = mute headphone */
6168cda9 EM	65	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	66	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
4d9e7348 CK	67	snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
	68	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
	69	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	70	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
a1eb4b3c LG	71	break;
a1eb4b3c LG	72	case CORGI_LINE:
6168cda9 EM	73	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	74	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
4d9e7348 CK	75	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
	76	snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
	77	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	78	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
a1eb4b3c LG	79	break;
a1eb4b3c LG	80	case CORGI_HEADSET:
6168cda9 EM	81	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	82	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
4d9e7348 CK	83	snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
	84	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
	85	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	86	snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
a1eb4b3c LG	87	break;
	88	}
	89
	90	if (corgi_spk_func == CORGI_SPK_ON)
4d9e7348	91	snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
a5302181	92	else
4d9e7348	93	snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
a1eb4b3c LG	94
a1eb4b3c LG	95	/* signal a DAPM event */
4d9e7348 CK	96	snd_soc_dapm_sync_unlocked(dapm);
	97
	98	snd_soc_dapm_mutex_unlock(dapm);
a1eb4b3c LG	99	}
	100
	101	static int corgi_startup(struct snd_pcm_substream *substream)
	102	{
	103	struct snd_soc_pcm_runtime *rtd = substream->private_data;
71a29560	104
a1eb4b3c	105	/* check the jack status at stream startup */
e14de47a	106	corgi_ext_control(&rtd->card->dapm);
71a29560	107
a1eb4b3c LG	108	return 0;
	109	}
	110
	111	/* we need to unmute the HP at shutdown as the mute burns power on corgi */
5220ed6b	112	static void corgi_shutdown(struct snd_pcm_substream *substream)
a1eb4b3c	113	{
a1eb4b3c	114	/* set = unmute headphone */
6168cda9 EM	115	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	116	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
a1eb4b3c LG	117	}
a1eb4b3c LG	118
d928b25a LG	119	static int corgi_hw_params(struct snd_pcm_substream *substream,
	120	struct snd_pcm_hw_params *params)
	121	{
	122	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	123	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	124	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
d928b25a LG	125	unsigned int clk = 0;
	126	int ret = 0;
	127
	128	switch (params_rate(params)) {
	129	case 8000:
	130	case 16000:
	131	case 48000:
	132	case 96000:
	133	clk = 12288000;
	134	break;
	135	case 11025:
	136	case 22050:
	137	case 44100:
	138	clk = 11289600;
	139	break;
	140	}
	141
d928b25a	142	/* set the codec system clock for DAC and ADC */
9745e824	143	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
d928b25a LG	144	SND_SOC_CLOCK_IN);
	145	if (ret < 0)
	146	return ret;
	147
	148	/* set the I2S system clock as input (unused) */
64105cfd	149	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
d928b25a LG	150	SND_SOC_CLOCK_IN);
	151	if (ret < 0)
	152	return ret;
	153
	154	return 0;
	155	}
	156
a1eb4b3c LG	157	static struct snd_soc_ops corgi_ops = {
a1eb4b3c LG	158	.startup = corgi_startup,
d928b25a	159	.hw_params = corgi_hw_params,
a1eb4b3c LG	160	.shutdown = corgi_shutdown,
	161	};
	162
	163	static int corgi_get_jack(struct snd_kcontrol *kcontrol,
	164	struct snd_ctl_elem_value *ucontrol)
	165	{
1457ad0e	166	ucontrol->value.enumerated.item[0] = corgi_jack_func;
a1eb4b3c LG	167	return 0;
	168	}
	169
	170	static int corgi_set_jack(struct snd_kcontrol *kcontrol,
	171	struct snd_ctl_elem_value *ucontrol)
	172	{
022658be	173	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
a1eb4b3c	174
1457ad0e	175	if (corgi_jack_func == ucontrol->value.enumerated.item[0])
a1eb4b3c LG	176	return 0;
a1eb4b3c LG	177
1457ad0e	178	corgi_jack_func = ucontrol->value.enumerated.item[0];
022658be	179	corgi_ext_control(&card->dapm);
a1eb4b3c LG	180	return 1;
	181	}
	182
	183	static int corgi_get_spk(struct snd_kcontrol *kcontrol,
	184	struct snd_ctl_elem_value *ucontrol)
	185	{
1457ad0e	186	ucontrol->value.enumerated.item[0] = corgi_spk_func;
a1eb4b3c LG	187	return 0;
	188	}
	189
	190	static int corgi_set_spk(struct snd_kcontrol *kcontrol,
	191	struct snd_ctl_elem_value *ucontrol)
	192	{
022658be	193	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
a1eb4b3c	194
1457ad0e	195	if (corgi_spk_func == ucontrol->value.enumerated.item[0])
a1eb4b3c LG	196	return 0;
a1eb4b3c LG	197
1457ad0e	198	corgi_spk_func = ucontrol->value.enumerated.item[0];
022658be	199	corgi_ext_control(&card->dapm);
a1eb4b3c LG	200	return 1;
	201	}
	202
338c7ed0 JN	203	static int corgi_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	204	struct snd_kcontrol *k, int event)
a1eb4b3c	205	{
6168cda9	206	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	207	return 0;
	208	}
	209
338c7ed0 JN	210	static int corgi_mic_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	211	struct snd_kcontrol *k, int event)
a1eb4b3c	212	{
6168cda9	213	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	214	return 0;
	215	}
	216
	217	/* corgi machine dapm widgets */
	218	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	219	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	220	SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
	221	SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
	222	SND_SOC_DAPM_LINE("Line Jack", NULL),
	223	SND_SOC_DAPM_HP("Headset Jack", NULL),
	224	};
	225
	226	/* Corgi machine audio map (connections to the codec pins) */
32696af1	227	static const struct snd_soc_dapm_route corgi_audio_map[] = {
a1eb4b3c LG	228
	229	/* headset Jack - in = micin, out = LHPOUT*/
	230	{"Headset Jack", NULL, "LHPOUT"},
	231
	232	/* headphone connected to LHPOUT1, RHPOUT1 */
	233	{"Headphone Jack", NULL, "LHPOUT"},
	234	{"Headphone Jack", NULL, "RHPOUT"},
	235
	236	/* speaker connected to LOUT, ROUT */
	237	{"Ext Spk", NULL, "ROUT"},
	238	{"Ext Spk", NULL, "LOUT"},
	239
	240	/* mic is connected to MICIN (via right channel of headphone jack) */
	241	{"MICIN", NULL, "Mic Jack"},
	242
	243	/* Same as the above but no mic bias for line signals */
	244	{"MICIN", NULL, "Line Jack"},
a1eb4b3c LG	245	};
	246
	247	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	248	"Off"};
	249	static const char *spk_function[] = {"On", "Off"};
	250	static const struct soc_enum corgi_enum[] = {
	251	SOC_ENUM_SINGLE_EXT(5, jack_function),
	252	SOC_ENUM_SINGLE_EXT(2, spk_function),
	253	};
	254
	255	static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
	256	SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
	257	corgi_set_jack),
	258	SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
	259	corgi_set_spk),
	260	};
	261
a1eb4b3c LG	262	/* corgi digital audio interface glue - connects codec <--> CPU */
	263	static struct snd_soc_dai_link corgi_dai = {
	264	.name = "WM8731",
	265	.stream_name = "WM8731",
a3adfa00	266	.cpu_dai_name = "pxa2xx-i2s",
f0fba2ad LG	267	.codec_dai_name = "wm8731-hifi",
f0fba2ad LG	268	.platform_name = "pxa-pcm-audio",
99b59f3c	269	.codec_name = "wm8731.0-001b",
74f4dd56 AL	270	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
74f4dd56 AL	271	SND_SOC_DAIFMT_CBS_CFS,
d928b25a	272	.ops = &corgi_ops,
a1eb4b3c LG	273	};
	274
	275	/* corgi audio machine driver */
34be9244	276	static struct snd_soc_card corgi = {
a1eb4b3c	277	.name = "Corgi",
561c6a17	278	.owner = THIS_MODULE,
a1eb4b3c LG	279	.dai_link = &corgi_dai,
a1eb4b3c LG	280	.num_links = 1,
32696af1 AL	281
	282	.controls = wm8731_corgi_controls,
	283	.num_controls = ARRAY_SIZE(wm8731_corgi_controls),
	284	.dapm_widgets = wm8731_dapm_widgets,
	285	.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
	286	.dapm_routes = corgi_audio_map,
	287	.num_dapm_routes = ARRAY_SIZE(corgi_audio_map),
46d0d8df	288	.fully_routed = true,
a1eb4b3c LG	289	};
a1eb4b3c LG	290
570f6fe1	291	static int corgi_probe(struct platform_device *pdev)
a1eb4b3c	292	{
34be9244	293	struct snd_soc_card *card = &corgi;
a1eb4b3c LG	294	int ret;
a1eb4b3c LG	295
34be9244	296	card->dev = &pdev->dev;
a1eb4b3c	297
2fd7076a	298	ret = devm_snd_soc_register_card(&pdev->dev, card);
a1eb4b3c	299	if (ret)
34be9244 AL	300	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
34be9244 AL	301	ret);
a1eb4b3c LG	302	return ret;
	303	}
	304
34be9244 AL	305	static struct platform_driver corgi_driver = {
	306	.driver = {
	307	.name = "corgi-audio",
7db1698f	308	.pm = &snd_soc_pm_ops,
34be9244 AL	309	},
34be9244 AL	310	.probe = corgi_probe,
34be9244 AL	311	};
	312
	313	module_platform_driver(corgi_driver);
a1eb4b3c LG	314
	315	/* Module information */
	316	MODULE_AUTHOR("Richard Purdie");
	317	MODULE_DESCRIPTION("ALSA SoC Corgi");
	318	MODULE_LICENSE("GPL");
34be9244	319	MODULE_ALIAS("platform:corgi-audio");