[mirror_ubuntu-bionic-kernel.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)
{
	/* 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->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.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_card *card = 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(&card->dapm);
	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_card *card =  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(&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),
};

/*
 * 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;

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

	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 = "pxa2xx-i2s",
	.codec_dai_name = "wm8731-hifi",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm8731.0-001b",
	.init = corgi_wm8731_init,
	.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),
};

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

	card->dev = &pdev->dev;

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

static int corgi_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);
	return 0;
}

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

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	{
a1eb4b3c LG	50	/* set up jack connection */
	51	switch (corgi_jack_func) {
	52	case CORGI_HP:
a1eb4b3c	53	/* set = unmute headphone */
6168cda9 EM	54	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	55	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
ce6120cc LG	56	snd_soc_dapm_disable_pin(dapm, "Mic Jack");
	57	snd_soc_dapm_disable_pin(dapm, "Line Jack");
	58	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	59	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
a1eb4b3c LG	60	break;
a1eb4b3c LG	61	case CORGI_MIC:
a1eb4b3c	62	/* reset = mute headphone */
6168cda9 EM	63	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	64	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
ce6120cc LG	65	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	66	snd_soc_dapm_disable_pin(dapm, "Line Jack");
	67	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	68	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
a1eb4b3c LG	69	break;
a1eb4b3c LG	70	case CORGI_LINE:
6168cda9 EM	71	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	72	gpio_set_value(CORGI_GPIO_MUTE_R, 0);
ce6120cc LG	73	snd_soc_dapm_disable_pin(dapm, "Mic Jack");
	74	snd_soc_dapm_enable_pin(dapm, "Line Jack");
	75	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	76	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
a1eb4b3c LG	77	break;
a1eb4b3c LG	78	case CORGI_HEADSET:
6168cda9 EM	79	gpio_set_value(CORGI_GPIO_MUTE_L, 0);
6168cda9 EM	80	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
ce6120cc LG	81	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
	82	snd_soc_dapm_disable_pin(dapm, "Line Jack");
	83	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	84	snd_soc_dapm_enable_pin(dapm, "Headset Jack");
a1eb4b3c LG	85	break;
	86	}
	87
	88	if (corgi_spk_func == CORGI_SPK_ON)
ce6120cc	89	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
a5302181	90	else
ce6120cc	91	snd_soc_dapm_disable_pin(dapm, "Ext Spk");
a1eb4b3c LG	92
a1eb4b3c LG	93	/* signal a DAPM event */
ce6120cc	94	snd_soc_dapm_sync(dapm);
a1eb4b3c LG	95	}
	96
	97	static int corgi_startup(struct snd_pcm_substream *substream)
	98	{
	99	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	100	struct snd_soc_codec *codec = rtd->codec;
a1eb4b3c LG	101
a1eb4b3c LG	102	/* check the jack status at stream startup */
022658be	103	corgi_ext_control(&codec->dapm);
71a29560	104
a1eb4b3c LG	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
d928b25a	139	/* set the codec system clock for DAC and ADC */
9745e824	140	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
d928b25a LG	141	SND_SOC_CLOCK_IN);
	142	if (ret < 0)
	143	return ret;
	144
	145	/* set the I2S system clock as input (unused) */
64105cfd	146	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
d928b25a LG	147	SND_SOC_CLOCK_IN);
	148	if (ret < 0)
	149	return ret;
	150
	151	return 0;
	152	}
	153
a1eb4b3c LG	154	static struct snd_soc_ops corgi_ops = {
a1eb4b3c LG	155	.startup = corgi_startup,
d928b25a	156	.hw_params = corgi_hw_params,
a1eb4b3c LG	157	.shutdown = corgi_shutdown,
	158	};
	159
	160	static int corgi_get_jack(struct snd_kcontrol *kcontrol,
	161	struct snd_ctl_elem_value *ucontrol)
	162	{
	163	ucontrol->value.integer.value[0] = corgi_jack_func;
	164	return 0;
	165	}
	166
	167	static int corgi_set_jack(struct snd_kcontrol *kcontrol,
	168	struct snd_ctl_elem_value *ucontrol)
	169	{
022658be	170	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
a1eb4b3c LG	171
	172	if (corgi_jack_func == ucontrol->value.integer.value[0])
	173	return 0;
	174
	175	corgi_jack_func = ucontrol->value.integer.value[0];
022658be	176	corgi_ext_control(&card->dapm);
a1eb4b3c LG	177	return 1;
	178	}
	179
	180	static int corgi_get_spk(struct snd_kcontrol *kcontrol,
	181	struct snd_ctl_elem_value *ucontrol)
	182	{
	183	ucontrol->value.integer.value[0] = corgi_spk_func;
	184	return 0;
	185	}
	186
	187	static int corgi_set_spk(struct snd_kcontrol *kcontrol,
	188	struct snd_ctl_elem_value *ucontrol)
	189	{
022658be	190	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
a1eb4b3c LG	191
	192	if (corgi_spk_func == ucontrol->value.integer.value[0])
	193	return 0;
	194
	195	corgi_spk_func = ucontrol->value.integer.value[0];
022658be	196	corgi_ext_control(&card->dapm);
a1eb4b3c LG	197	return 1;
	198	}
	199
338c7ed0 JN	200	static int corgi_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	201	struct snd_kcontrol *k, int event)
a1eb4b3c	202	{
6168cda9	203	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	204	return 0;
	205	}
	206
338c7ed0 JN	207	static int corgi_mic_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	208	struct snd_kcontrol *k, int event)
a1eb4b3c	209	{
6168cda9	210	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	211	return 0;
	212	}
	213
	214	/* corgi machine dapm widgets */
	215	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	216	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	217	SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
	218	SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
	219	SND_SOC_DAPM_LINE("Line Jack", NULL),
	220	SND_SOC_DAPM_HP("Headset Jack", NULL),
	221	};
	222
	223	/* Corgi machine audio map (connections to the codec pins) */
32696af1	224	static const struct snd_soc_dapm_route corgi_audio_map[] = {
a1eb4b3c LG	225
	226	/* headset Jack - in = micin, out = LHPOUT*/
	227	{"Headset Jack", NULL, "LHPOUT"},
	228
	229	/* headphone connected to LHPOUT1, RHPOUT1 */
	230	{"Headphone Jack", NULL, "LHPOUT"},
	231	{"Headphone Jack", NULL, "RHPOUT"},
	232
	233	/* speaker connected to LOUT, ROUT */
	234	{"Ext Spk", NULL, "ROUT"},
	235	{"Ext Spk", NULL, "LOUT"},
	236
	237	/* mic is connected to MICIN (via right channel of headphone jack) */
	238	{"MICIN", NULL, "Mic Jack"},
	239
	240	/* Same as the above but no mic bias for line signals */
	241	{"MICIN", NULL, "Line Jack"},
a1eb4b3c LG	242	};
	243
	244	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	245	"Off"};
	246	static const char *spk_function[] = {"On", "Off"};
	247	static const struct soc_enum corgi_enum[] = {
	248	SOC_ENUM_SINGLE_EXT(5, jack_function),
	249	SOC_ENUM_SINGLE_EXT(2, spk_function),
	250	};
	251
	252	static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
	253	SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
	254	corgi_set_jack),
	255	SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
	256	corgi_set_spk),
	257	};
	258
	259	/*
	260	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	261	*/
f0fba2ad	262	static int corgi_wm8731_init(struct snd_soc_pcm_runtime *rtd)
a1eb4b3c	263	{
f0fba2ad	264	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	265	struct snd_soc_dapm_context *dapm = &codec->dapm;
a1eb4b3c	266
ce6120cc LG	267	snd_soc_dapm_nc_pin(dapm, "LLINEIN");
ce6120cc LG	268	snd_soc_dapm_nc_pin(dapm, "RLINEIN");
a1eb4b3c	269
a1eb4b3c LG	270	return 0;
	271	}
	272
a1eb4b3c LG	273	/* corgi digital audio interface glue - connects codec <--> CPU */
	274	static struct snd_soc_dai_link corgi_dai = {
	275	.name = "WM8731",
	276	.stream_name = "WM8731",
a3adfa00	277	.cpu_dai_name = "pxa2xx-i2s",
f0fba2ad LG	278	.codec_dai_name = "wm8731-hifi",
f0fba2ad LG	279	.platform_name = "pxa-pcm-audio",
99b59f3c	280	.codec_name = "wm8731.0-001b",
a1eb4b3c	281	.init = corgi_wm8731_init,
74f4dd56 AL	282	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
74f4dd56 AL	283	SND_SOC_DAIFMT_CBS_CFS,
d928b25a	284	.ops = &corgi_ops,
a1eb4b3c LG	285	};
	286
	287	/* corgi audio machine driver */
34be9244	288	static struct snd_soc_card corgi = {
a1eb4b3c	289	.name = "Corgi",
561c6a17	290	.owner = THIS_MODULE,
a1eb4b3c LG	291	.dai_link = &corgi_dai,
a1eb4b3c LG	292	.num_links = 1,
32696af1 AL	293
	294	.controls = wm8731_corgi_controls,
	295	.num_controls = ARRAY_SIZE(wm8731_corgi_controls),
	296	.dapm_widgets = wm8731_dapm_widgets,
	297	.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
	298	.dapm_routes = corgi_audio_map,
	299	.num_dapm_routes = ARRAY_SIZE(corgi_audio_map),
a1eb4b3c LG	300	};
a1eb4b3c LG	301
570f6fe1	302	static int corgi_probe(struct platform_device *pdev)
a1eb4b3c	303	{
34be9244	304	struct snd_soc_card *card = &corgi;
a1eb4b3c LG	305	int ret;
a1eb4b3c LG	306
34be9244	307	card->dev = &pdev->dev;
a1eb4b3c	308
34be9244	309	ret = snd_soc_register_card(card);
a1eb4b3c	310	if (ret)
34be9244 AL	311	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
34be9244 AL	312	ret);
a1eb4b3c LG	313	return ret;
	314	}
	315
570f6fe1	316	static int corgi_remove(struct platform_device *pdev)
a1eb4b3c	317	{
34be9244 AL	318	struct snd_soc_card *card = platform_get_drvdata(pdev);
	319
	320	snd_soc_unregister_card(card);
	321	return 0;
a1eb4b3c LG	322	}
a1eb4b3c LG	323
34be9244 AL	324	static struct platform_driver corgi_driver = {
	325	.driver = {
	326	.name = "corgi-audio",
	327	.owner = THIS_MODULE,
7db1698f	328	.pm = &snd_soc_pm_ops,
34be9244 AL	329	},
34be9244 AL	330	.probe = corgi_probe,
570f6fe1	331	.remove = corgi_remove,
34be9244 AL	332	};
	333
	334	module_platform_driver(corgi_driver);
a1eb4b3c LG	335
	336	/* Module information */
	337	MODULE_AUTHOR("Richard Purdie");
	338	MODULE_DESCRIPTION("ALSA SoC Corgi");
	339	MODULE_LICENSE("GPL");
34be9244	340	MODULE_ALIAS("platform:corgi-audio");