[mirror_ubuntu-zesty-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)
{
	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;
	struct snd_soc_codec *codec = rtd->codec;

	mutex_lock(&codec->mutex);

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

	mutex_unlock(&codec->mutex);

	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	{
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;
f0fba2ad	104	struct snd_soc_codec *codec = rtd->codec;
a1eb4b3c	105
71a29560 MB	106	mutex_lock(&codec->mutex);
71a29560 MB	107
a1eb4b3c	108	/* check the jack status at stream startup */
022658be	109	corgi_ext_control(&codec->dapm);
71a29560 MB	110
	111	mutex_unlock(&codec->mutex);
	112
a1eb4b3c LG	113	return 0;
	114	}
	115
	116	/* we need to unmute the HP at shutdown as the mute burns power on corgi */
5220ed6b	117	static void corgi_shutdown(struct snd_pcm_substream *substream)
a1eb4b3c	118	{
a1eb4b3c	119	/* set = unmute headphone */
6168cda9 EM	120	gpio_set_value(CORGI_GPIO_MUTE_L, 1);
6168cda9 EM	121	gpio_set_value(CORGI_GPIO_MUTE_R, 1);
a1eb4b3c LG	122	}
a1eb4b3c LG	123
d928b25a LG	124	static int corgi_hw_params(struct snd_pcm_substream *substream,
	125	struct snd_pcm_hw_params *params)
	126	{
	127	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	128	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	129	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
d928b25a LG	130	unsigned int clk = 0;
	131	int ret = 0;
	132
	133	switch (params_rate(params)) {
	134	case 8000:
	135	case 16000:
	136	case 48000:
	137	case 96000:
	138	clk = 12288000;
	139	break;
	140	case 11025:
	141	case 22050:
	142	case 44100:
	143	clk = 11289600;
	144	break;
	145	}
	146
d928b25a	147	/* set the codec system clock for DAC and ADC */
9745e824	148	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
d928b25a LG	149	SND_SOC_CLOCK_IN);
	150	if (ret < 0)
	151	return ret;
	152
	153	/* set the I2S system clock as input (unused) */
64105cfd	154	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
d928b25a LG	155	SND_SOC_CLOCK_IN);
	156	if (ret < 0)
	157	return ret;
	158
	159	return 0;
	160	}
	161
a1eb4b3c LG	162	static struct snd_soc_ops corgi_ops = {
a1eb4b3c LG	163	.startup = corgi_startup,
d928b25a	164	.hw_params = corgi_hw_params,
a1eb4b3c LG	165	.shutdown = corgi_shutdown,
	166	};
	167
	168	static int corgi_get_jack(struct snd_kcontrol *kcontrol,
	169	struct snd_ctl_elem_value *ucontrol)
	170	{
	171	ucontrol->value.integer.value[0] = corgi_jack_func;
	172	return 0;
	173	}
	174
	175	static int corgi_set_jack(struct snd_kcontrol *kcontrol,
	176	struct snd_ctl_elem_value *ucontrol)
	177	{
022658be	178	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
a1eb4b3c LG	179
	180	if (corgi_jack_func == ucontrol->value.integer.value[0])
	181	return 0;
	182
	183	corgi_jack_func = ucontrol->value.integer.value[0];
022658be	184	corgi_ext_control(&card->dapm);
a1eb4b3c LG	185	return 1;
	186	}
	187
	188	static int corgi_get_spk(struct snd_kcontrol *kcontrol,
	189	struct snd_ctl_elem_value *ucontrol)
	190	{
	191	ucontrol->value.integer.value[0] = corgi_spk_func;
	192	return 0;
	193	}
	194
	195	static int corgi_set_spk(struct snd_kcontrol *kcontrol,
	196	struct snd_ctl_elem_value *ucontrol)
	197	{
022658be	198	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
a1eb4b3c LG	199
	200	if (corgi_spk_func == ucontrol->value.integer.value[0])
	201	return 0;
	202
	203	corgi_spk_func = ucontrol->value.integer.value[0];
022658be	204	corgi_ext_control(&card->dapm);
a1eb4b3c LG	205	return 1;
	206	}
	207
338c7ed0 JN	208	static int corgi_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	209	struct snd_kcontrol *k, int event)
a1eb4b3c	210	{
6168cda9	211	gpio_set_value(CORGI_GPIO_APM_ON, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	212	return 0;
	213	}
	214
338c7ed0 JN	215	static int corgi_mic_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	216	struct snd_kcontrol *k, int event)
a1eb4b3c	217	{
6168cda9	218	gpio_set_value(CORGI_GPIO_MIC_BIAS, SND_SOC_DAPM_EVENT_ON(event));
a1eb4b3c LG	219	return 0;
	220	}
	221
	222	/* corgi machine dapm widgets */
	223	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	224	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	225	SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
	226	SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
	227	SND_SOC_DAPM_LINE("Line Jack", NULL),
	228	SND_SOC_DAPM_HP("Headset Jack", NULL),
	229	};
	230
	231	/* Corgi machine audio map (connections to the codec pins) */
32696af1	232	static const struct snd_soc_dapm_route corgi_audio_map[] = {
a1eb4b3c LG	233
	234	/* headset Jack - in = micin, out = LHPOUT*/
	235	{"Headset Jack", NULL, "LHPOUT"},
	236
	237	/* headphone connected to LHPOUT1, RHPOUT1 */
	238	{"Headphone Jack", NULL, "LHPOUT"},
	239	{"Headphone Jack", NULL, "RHPOUT"},
	240
	241	/* speaker connected to LOUT, ROUT */
	242	{"Ext Spk", NULL, "ROUT"},
	243	{"Ext Spk", NULL, "LOUT"},
	244
	245	/* mic is connected to MICIN (via right channel of headphone jack) */
	246	{"MICIN", NULL, "Mic Jack"},
	247
	248	/* Same as the above but no mic bias for line signals */
	249	{"MICIN", NULL, "Line Jack"},
a1eb4b3c LG	250	};
	251
	252	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	253	"Off"};
	254	static const char *spk_function[] = {"On", "Off"};
	255	static const struct soc_enum corgi_enum[] = {
	256	SOC_ENUM_SINGLE_EXT(5, jack_function),
	257	SOC_ENUM_SINGLE_EXT(2, spk_function),
	258	};
	259
	260	static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
	261	SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
	262	corgi_set_jack),
	263	SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
	264	corgi_set_spk),
	265	};
	266
	267	/*
	268	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	269	*/
f0fba2ad	270	static int corgi_wm8731_init(struct snd_soc_pcm_runtime *rtd)
a1eb4b3c	271	{
f0fba2ad	272	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	273	struct snd_soc_dapm_context *dapm = &codec->dapm;
a1eb4b3c	274
ce6120cc LG	275	snd_soc_dapm_nc_pin(dapm, "LLINEIN");
ce6120cc LG	276	snd_soc_dapm_nc_pin(dapm, "RLINEIN");
a1eb4b3c	277
a1eb4b3c LG	278	return 0;
	279	}
	280
a1eb4b3c LG	281	/* corgi digital audio interface glue - connects codec <--> CPU */
	282	static struct snd_soc_dai_link corgi_dai = {
	283	.name = "WM8731",
	284	.stream_name = "WM8731",
a3adfa00	285	.cpu_dai_name = "pxa2xx-i2s",
f0fba2ad LG	286	.codec_dai_name = "wm8731-hifi",
f0fba2ad LG	287	.platform_name = "pxa-pcm-audio",
99b59f3c	288	.codec_name = "wm8731.0-001b",
a1eb4b3c	289	.init = corgi_wm8731_init,
74f4dd56 AL	290	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
74f4dd56 AL	291	SND_SOC_DAIFMT_CBS_CFS,
d928b25a	292	.ops = &corgi_ops,
a1eb4b3c LG	293	};
	294
	295	/* corgi audio machine driver */
34be9244	296	static struct snd_soc_card corgi = {
a1eb4b3c	297	.name = "Corgi",
561c6a17	298	.owner = THIS_MODULE,
a1eb4b3c LG	299	.dai_link = &corgi_dai,
a1eb4b3c LG	300	.num_links = 1,
32696af1 AL	301
	302	.controls = wm8731_corgi_controls,
	303	.num_controls = ARRAY_SIZE(wm8731_corgi_controls),
	304	.dapm_widgets = wm8731_dapm_widgets,
	305	.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
	306	.dapm_routes = corgi_audio_map,
	307	.num_dapm_routes = ARRAY_SIZE(corgi_audio_map),
a1eb4b3c LG	308	};
a1eb4b3c LG	309
570f6fe1	310	static int corgi_probe(struct platform_device *pdev)
a1eb4b3c	311	{
34be9244	312	struct snd_soc_card *card = &corgi;
a1eb4b3c LG	313	int ret;
a1eb4b3c LG	314
34be9244	315	card->dev = &pdev->dev;
a1eb4b3c	316
34be9244	317	ret = snd_soc_register_card(card);
a1eb4b3c	318	if (ret)
34be9244 AL	319	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
34be9244 AL	320	ret);
a1eb4b3c LG	321	return ret;
	322	}
	323
570f6fe1	324	static int corgi_remove(struct platform_device *pdev)
a1eb4b3c	325	{
34be9244 AL	326	struct snd_soc_card *card = platform_get_drvdata(pdev);
	327
	328	snd_soc_unregister_card(card);
	329	return 0;
a1eb4b3c LG	330	}
a1eb4b3c LG	331
34be9244 AL	332	static struct platform_driver corgi_driver = {
	333	.driver = {
	334	.name = "corgi-audio",
	335	.owner = THIS_MODULE,
7db1698f	336	.pm = &snd_soc_pm_ops,
34be9244 AL	337	},
34be9244 AL	338	.probe = corgi_probe,
570f6fe1	339	.remove = corgi_remove,
34be9244 AL	340	};
	341
	342	module_platform_driver(corgi_driver);
a1eb4b3c LG	343
	344	/* Module information */
	345	MODULE_AUTHOR("Richard Purdie");
	346	MODULE_DESCRIPTION("ALSA SoC Corgi");
	347	MODULE_LICENSE("GPL");
34be9244	348	MODULE_ALIAS("platform:corgi-audio");