[deliverable/linux.git] / sound / soc / pxa / e800_wm9712.c

/*
 * e800-wm9712.c  --  SoC audio for e800
 *
 * 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 <asm/mach-types.h>
#include <mach/audio.h>
#include <mach/eseries-gpio.h>

#include "../codecs/wm9712.h"
#include "pxa2xx-ac97.h"

static int e800_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_E800_SPK_AMP_ON, 1);
	else if (event & SND_SOC_DAPM_POST_PMD)
		gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);

	return 0;
}

static int e800_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_E800_HP_AMP_OFF, 0);
	else if (event & SND_SOC_DAPM_POST_PMD)
		gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);

	return 0;
}

static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
	SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
			e800_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,
			e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
			SND_SOC_DAPM_POST_PMD),
};

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

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

	{"MIC1", NULL, "Mic (Internal1)"},
	{"MIC2", NULL, "Mic (Internal2)"},
};

static int e800_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_new_controls(dapm, e800_dapm_widgets,
					ARRAY_SIZE(e800_dapm_widgets));

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

	return 0;
}

static struct snd_soc_dai_link e800_dai[] = {
	{
		.name = "AC97",
		.stream_name = "AC97 HiFi",
		.cpu_dai_name = "pxa2xx-ac97",
		.codec_dai_name = "wm9712-hifi",
		.platform_name = "pxa-pcm-audio",
		.codec_name = "wm9712-codec",
		.init = e800_ac97_init,
	},
	{
		.name = "AC97 Aux",
		.stream_name = "AC97 Aux",
		.cpu_dai_name = "pxa2xx-ac97-aux",
		.codec_dai_name ="wm9712-aux",
		.platform_name = "pxa-pcm-audio",
		.codec_name = "wm9712-codec",
	},
};

static struct snd_soc_card e800 = {
	.name = "Toshiba e800",
	.dai_link = e800_dai,
	.num_links = ARRAY_SIZE(e800_dai),
};

static struct platform_device *e800_snd_device;

static int __init e800_init(void)
{
	int ret;

	if (!machine_is_e800())
		return -ENODEV;

	ret = gpio_request_one(GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH,
			       "Headphone amp");
	if (ret)
		return ret;

	ret = gpio_request_one(GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH,
			       "Speaker amp");
	if (ret)
		goto free_hp_amp_gpio;

	e800_snd_device = platform_device_alloc("soc-audio", -1);
	if (!e800_snd_device) {
		ret = -ENOMEM;
		goto free_spk_amp_gpio;
	}

	platform_set_drvdata(e800_snd_device, &e800);
	ret = platform_device_add(e800_snd_device);

	if (!ret)
		return 0;

/* Fail gracefully */
	platform_device_put(e800_snd_device);
free_spk_amp_gpio:
	gpio_free(GPIO_E800_SPK_AMP_ON);
free_hp_amp_gpio:
	gpio_free(GPIO_E800_HP_AMP_OFF);

	return ret;
}

static void __exit e800_exit(void)
{
	platform_device_unregister(e800_snd_device);
	gpio_free(GPIO_E800_SPK_AMP_ON);
	gpio_free(GPIO_E800_HP_AMP_OFF);
}

module_init(e800_init);
module_exit(e800_exit);

/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e800");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
ab40d4f1 IM	1	/*
	2	* e800-wm9712.c -- SoC audio for e800
	3	*
ab40d4f1 IM	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>
0465c7aa	14	#include <linux/gpio.h>
ab40d4f1 IM	15
	16	#include <sound/core.h>
	17	#include <sound/pcm.h>
	18	#include <sound/soc.h>
ab40d4f1	19
c91cf25e	20	#include <asm/mach-types.h>
a09e64fb	21	#include <mach/audio.h>
0465c7aa IM	22	#include <mach/eseries-gpio.h>
0465c7aa IM	23
ab40d4f1	24	#include "../codecs/wm9712.h"
ab40d4f1 IM	25	#include "pxa2xx-ac97.h"
ab40d4f1 IM	26
0465c7aa IM	27	static int e800_spk_amp_event(struct snd_soc_dapm_widget *w,
	28	struct snd_kcontrol *kcontrol, int event)
	29	{
	30	if (event & SND_SOC_DAPM_PRE_PMU)
	31	gpio_set_value(GPIO_E800_SPK_AMP_ON, 1);
	32	else if (event & SND_SOC_DAPM_POST_PMD)
	33	gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);
ab40d4f1	34
0465c7aa IM	35	return 0;
	36	}
	37
	38	static int e800_hp_amp_event(struct snd_soc_dapm_widget *w,
	39	struct snd_kcontrol *kcontrol, int event)
ab40d4f1	40	{
0465c7aa IM	41	if (event & SND_SOC_DAPM_PRE_PMU)
	42	gpio_set_value(GPIO_E800_HP_AMP_OFF, 0);
	43	else if (event & SND_SOC_DAPM_POST_PMD)
	44	gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);
	45
	46	return 0;
	47	}
	48
	49	static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
	50	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	51	SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
	52	SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
	53	SND_SOC_DAPM_SPK("Speaker", NULL),
	54	SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
	55	e800_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	e800_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 Jack", NULL, "HPOUTL"},
	64	{"Headphone Jack", NULL, "HPOUTR"},
	65	{"Headphone Jack", NULL, "Headphone Amp"},
	66
	67	{"Speaker Amp", NULL, "MONOOUT"},
	68	{"Speaker", NULL, "Speaker Amp"},
	69
	70	{"MIC1", NULL, "Mic (Internal1)"},
	71	{"MIC2", NULL, "Mic (Internal2)"},
	72	};
	73
f0fba2ad	74	static int e800_ac97_init(struct snd_soc_pcm_runtime *rtd)
0465c7aa	75	{
f0fba2ad	76	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	77	struct snd_soc_dapm_context *dapm = &codec->dapm;
f0fba2ad	78
ce6120cc	79	snd_soc_dapm_new_controls(dapm, e800_dapm_widgets,
0465c7aa IM	80	ARRAY_SIZE(e800_dapm_widgets));
0465c7aa IM	81
ce6120cc	82	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
0465c7aa IM	83
	84	return 0;
	85	}
	86
	87	static struct snd_soc_dai_link e800_dai[] = {
	88	{
	89	.name = "AC97",
	90	.stream_name = "AC97 HiFi",
4bfc4e25	91	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	92	.codec_dai_name = "wm9712-hifi",
	93	.platform_name = "pxa-pcm-audio",
	94	.codec_name = "wm9712-codec",
0465c7aa IM	95	.init = e800_ac97_init,
	96	},
	97	{
	98	.name = "AC97 Aux",
	99	.stream_name = "AC97 Aux",
4bfc4e25	100	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	101	.codec_dai_name ="wm9712-aux",
	102	.platform_name = "pxa-pcm-audio",
	103	.codec_name = "wm9712-codec",
0465c7aa	104	},
ab40d4f1 IM	105	};
ab40d4f1 IM	106
87506549	107	static struct snd_soc_card e800 = {
ab40d4f1 IM	108	.name = "Toshiba e800",
	109	.dai_link = e800_dai,
	110	.num_links = ARRAY_SIZE(e800_dai),
	111	};
	112
ab40d4f1 IM	113	static struct platform_device *e800_snd_device;
	114
	115	static int __init e800_init(void)
	116	{
	117	int ret;
	118
	119	if (!machine_is_e800())
	120	return -ENODEV;
	121
209e8cf6 AL	122	ret = gpio_request_one(GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH,
209e8cf6 AL	123	"Headphone amp");
0465c7aa IM	124	if (ret)
	125	return ret;
	126
209e8cf6 AL	127	ret = gpio_request_one(GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH,
209e8cf6 AL	128	"Speaker amp");
0465c7aa IM	129	if (ret)
	130	goto free_hp_amp_gpio;
	131
ab40d4f1	132	e800_snd_device = platform_device_alloc("soc-audio", -1);
8faab941 AL	133	if (!e800_snd_device) {
	134	ret = -ENOMEM;
	135	goto free_spk_amp_gpio;
	136	}
ab40d4f1	137
f0fba2ad	138	platform_set_drvdata(e800_snd_device, &e800);
ab40d4f1 IM	139	ret = platform_device_add(e800_snd_device);
ab40d4f1 IM	140
0465c7aa IM	141	if (!ret)
	142	return 0;
	143
	144	/* Fail gracefully */
	145	platform_device_put(e800_snd_device);
	146	free_spk_amp_gpio:
	147	gpio_free(GPIO_E800_SPK_AMP_ON);
	148	free_hp_amp_gpio:
	149	gpio_free(GPIO_E800_HP_AMP_OFF);
ab40d4f1 IM	150
	151	return ret;
	152	}
	153
	154	static void __exit e800_exit(void)
	155	{
	156	platform_device_unregister(e800_snd_device);
0465c7aa IM	157	gpio_free(GPIO_E800_SPK_AMP_ON);
0465c7aa IM	158	gpio_free(GPIO_E800_HP_AMP_OFF);
ab40d4f1 IM	159	}
	160
	161	module_init(e800_init);
	162	module_exit(e800_exit);
	163
	164	/* Module information */
	165	MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
	166	MODULE_DESCRIPTION("ALSA SoC driver for e800");
0465c7aa	167	MODULE_LICENSE("GPL v2");