[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / pxa / e750_wm9705.c

/*
 * e750-wm9705.c  --  SoC audio for e750
 *
 * Copyright 2007 (c) Ian Molton <spyro@f2s.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; version 2 ONLY.
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/gpio.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

#include <mach/audio.h>
#include <mach/eseries-gpio.h>

#include <asm/mach-types.h>

#include "../codecs/wm9705.h"
#include "pxa2xx-ac97.h"

static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
				struct snd_kcontrol *kcontrol, int event)
{
	if (event & SND_SOC_DAPM_PRE_PMU)
		gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
	else if (event & SND_SOC_DAPM_POST_PMD)
		gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);

	return 0;
}

static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
				struct snd_kcontrol *kcontrol, int event)
{
	if (event & SND_SOC_DAPM_PRE_PMU)
		gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
	else if (event & SND_SOC_DAPM_POST_PMD)
		gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);

	return 0;
}

static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
	SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
			e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
			SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
			e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
			SND_SOC_DAPM_POST_PMD),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"Headphone Amp", NULL, "HPOUTL"},
	{"Headphone Amp", NULL, "HPOUTR"},
	{"Headphone Jack", NULL, "Headphone Amp"},

	{"Speaker Amp", NULL, "MONOOUT"},
	{"Speaker", NULL, "Speaker Amp"},

	{"MIC1", NULL, "Mic (Internal)"},
};

static int e750_ac97_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, "LOUT");
	snd_soc_dapm_nc_pin(dapm, "ROUT");
	snd_soc_dapm_nc_pin(dapm, "PHONE");
	snd_soc_dapm_nc_pin(dapm, "LINEINL");
	snd_soc_dapm_nc_pin(dapm, "LINEINR");
	snd_soc_dapm_nc_pin(dapm, "CDINL");
	snd_soc_dapm_nc_pin(dapm, "CDINR");
	snd_soc_dapm_nc_pin(dapm, "PCBEEP");
	snd_soc_dapm_nc_pin(dapm, "MIC2");

	snd_soc_dapm_new_controls(dapm, e750_dapm_widgets,
					ARRAY_SIZE(e750_dapm_widgets));

	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	return 0;
}

static struct snd_soc_dai_link e750_dai[] = {
	{
		.name = "AC97",
		.stream_name = "AC97 HiFi",
		.cpu_dai_name = "pxa2xx-ac97",
		.codec_dai_name = "wm9705-hifi",
		.platform_name = "pxa-pcm-audio",
		.codec_name = "wm9705-codec",
		.init = e750_ac97_init,
		/* use ops to check startup state */
	},
	{
		.name = "AC97 Aux",
		.stream_name = "AC97 Aux",
		.cpu_dai_name = "pxa2xx-ac97-aux",
		.codec_dai_name ="wm9705-aux",
		.platform_name = "pxa-pcm-audio",
		.codec_name = "wm9705-codec",
	},
};

static struct snd_soc_card e750 = {
	.name = "Toshiba e750",
	.owner = THIS_MODULE,
	.dai_link = e750_dai,
	.num_links = ARRAY_SIZE(e750_dai),
};

static struct gpio e750_audio_gpios[] = {
	{ GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
	{ GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
};

static int e750_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &e750;
	int ret;

	ret = gpio_request_array(e750_audio_gpios,
				 ARRAY_SIZE(e750_audio_gpios));
	if (ret)
		return 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);
		gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
	}
	return ret;
}

static int e750_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
	snd_soc_unregister_card(card);
	return 0;
}

static struct platform_driver e750_driver = {
	.driver		= {
		.name	= "e750-audio",
		.owner	= THIS_MODULE,
	},
	.probe		= e750_probe,
	.remove		= e750_remove,
};

module_platform_driver(e750_driver);

/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e750");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:e750-audio");
Commit	Line	Data
a7e2e735 IM	1	/*
	2	* e750-wm9705.c -- SoC audio for e750
	3	*
	4	* Copyright 2007 (c) Ian Molton <spyro@f2s.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; version 2 ONLY.
	9	*
	10	*/
	11
	12	#include <linux/module.h>
	13	#include <linux/moduleparam.h>
	14	#include <linux/gpio.h>
	15
	16	#include <sound/core.h>
	17	#include <sound/pcm.h>
	18	#include <sound/soc.h>
a7e2e735	19
a7e2e735 IM	20	#include <mach/audio.h>
	21	#include <mach/eseries-gpio.h>
	22
	23	#include <asm/mach-types.h>
	24
	25	#include "../codecs/wm9705.h"
a7e2e735 IM	26	#include "pxa2xx-ac97.h"
	27
	28	static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
	29	struct snd_kcontrol *kcontrol, int event)
	30	{
	31	if (event & SND_SOC_DAPM_PRE_PMU)
	32	gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
	33	else if (event & SND_SOC_DAPM_POST_PMD)
	34	gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
	35
	36	return 0;
	37	}
	38
	39	static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
	40	struct snd_kcontrol *kcontrol, int event)
	41	{
	42	if (event & SND_SOC_DAPM_PRE_PMU)
	43	gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
	44	else if (event & SND_SOC_DAPM_POST_PMD)
	45	gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
	46
	47	return 0;
	48	}
	49
	50	static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
	51	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	52	SND_SOC_DAPM_SPK("Speaker", NULL),
	53	SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
	54	SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
	55	e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU \|
	56	SND_SOC_DAPM_POST_PMD),
	57	SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
	58	e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU \|
	59	SND_SOC_DAPM_POST_PMD),
	60	};
	61
	62	static const struct snd_soc_dapm_route audio_map[] = {
	63	{"Headphone Amp", NULL, "HPOUTL"},
	64	{"Headphone Amp", NULL, "HPOUTR"},
	65	{"Headphone Jack", NULL, "Headphone Amp"},
	66
	67	{"Speaker Amp", NULL, "MONOOUT"},
	68	{"Speaker", NULL, "Speaker Amp"},
	69
	70	{"MIC1", NULL, "Mic (Internal)"},
	71	};
	72
f0fba2ad	73	static int e750_ac97_init(struct snd_soc_pcm_runtime *rtd)
a7e2e735	74	{
f0fba2ad	75	struct snd_soc_codec *codec = rtd->codec;
ce6120cc LG	76	struct snd_soc_dapm_context *dapm = &codec->dapm;
	77
	78	snd_soc_dapm_nc_pin(dapm, "LOUT");
	79	snd_soc_dapm_nc_pin(dapm, "ROUT");
	80	snd_soc_dapm_nc_pin(dapm, "PHONE");
	81	snd_soc_dapm_nc_pin(dapm, "LINEINL");
	82	snd_soc_dapm_nc_pin(dapm, "LINEINR");
	83	snd_soc_dapm_nc_pin(dapm, "CDINL");
	84	snd_soc_dapm_nc_pin(dapm, "CDINR");
	85	snd_soc_dapm_nc_pin(dapm, "PCBEEP");
	86	snd_soc_dapm_nc_pin(dapm, "MIC2");
	87
	88	snd_soc_dapm_new_controls(dapm, e750_dapm_widgets,
a7e2e735 IM	89	ARRAY_SIZE(e750_dapm_widgets));
a7e2e735 IM	90
ce6120cc	91	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
a7e2e735	92
a7e2e735 IM	93	return 0;
	94	}
	95
	96	static struct snd_soc_dai_link e750_dai[] = {
	97	{
	98	.name = "AC97",
	99	.stream_name = "AC97 HiFi",
4bfc4e25	100	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	101	.codec_dai_name = "wm9705-hifi",
	102	.platform_name = "pxa-pcm-audio",
	103	.codec_name = "wm9705-codec",
a7e2e735 IM	104	.init = e750_ac97_init,
	105	/* use ops to check startup state */
	106	},
	107	{
	108	.name = "AC97 Aux",
	109	.stream_name = "AC97 Aux",
4bfc4e25	110	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	111	.codec_dai_name ="wm9705-aux",
	112	.platform_name = "pxa-pcm-audio",
	113	.codec_name = "wm9705-codec",
a7e2e735 IM	114	},
	115	};
	116
	117	static struct snd_soc_card e750 = {
	118	.name = "Toshiba e750",
561c6a17	119	.owner = THIS_MODULE,
a7e2e735 IM	120	.dai_link = e750_dai,
	121	.num_links = ARRAY_SIZE(e750_dai),
	122	};
	123
5eb2c3d9 AL	124	static struct gpio e750_audio_gpios[] = {
	125	{ GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
	126	{ GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
	127	};
a7e2e735	128
570f6fe1	129	static int e750_probe(struct platform_device *pdev)
a7e2e735	130	{
5eb2c3d9	131	struct snd_soc_card *card = &e750;
a7e2e735 IM	132	int ret;
a7e2e735 IM	133
5eb2c3d9 AL	134	ret = gpio_request_array(e750_audio_gpios,
5eb2c3d9 AL	135	ARRAY_SIZE(e750_audio_gpios));
a7e2e735 IM	136	if (ret)
	137	return ret;
	138
5eb2c3d9	139	card->dev = &pdev->dev;
a7e2e735	140
5eb2c3d9 AL	141	ret = snd_soc_register_card(card);
	142	if (ret) {
	143	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	144	ret);
	145	gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
a7e2e735	146	}
a7e2e735 IM	147	return ret;
	148	}
	149
570f6fe1	150	static int e750_remove(struct platform_device *pdev)
a7e2e735	151	{
5eb2c3d9 AL	152	struct snd_soc_card *card = platform_get_drvdata(pdev);
	153
	154	gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
	155	snd_soc_unregister_card(card);
	156	return 0;
a7e2e735 IM	157	}
a7e2e735 IM	158
5eb2c3d9 AL	159	static struct platform_driver e750_driver = {
	160	.driver = {
	161	.name = "e750-audio",
	162	.owner = THIS_MODULE,
	163	},
	164	.probe = e750_probe,
570f6fe1	165	.remove = e750_remove,
5eb2c3d9 AL	166	};
	167
	168	module_platform_driver(e750_driver);
a7e2e735 IM	169
	170	/* Module information */
	171	MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
	172	MODULE_DESCRIPTION("ALSA SoC driver for e750");
	173	MODULE_LICENSE("GPL v2");
5eb2c3d9	174	MODULE_ALIAS("platform:e750-audio");