[mirror_ubuntu-zesty-kernel.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 "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 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",
	},
	{
		.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",
	.owner = THIS_MODULE,
	.dai_link = e800_dai,
	.num_links = ARRAY_SIZE(e800_dai),

	.dapm_widgets = e800_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static struct gpio e800_audio_gpios[] = {
	{ GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
	{ GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
};

static int e800_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &e800;
	int ret;

	ret = gpio_request_array(e800_audio_gpios,
				 ARRAY_SIZE(e800_audio_gpios));
	if (ret)
		return 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);
		gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
	}
	return ret;
}

static int e800_remove(struct platform_device *pdev)
{
	gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
	return 0;
}

static struct platform_driver e800_driver = {
	.driver		= {
		.name	= "e800-audio",
		.pm     = &snd_soc_pm_ops,
	},
	.probe		= e800_probe,
	.remove		= e800_remove,
};

module_platform_driver(e800_driver);

/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e800");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:e800-audio");
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 IM	24	#include "pxa2xx-ac97.h"
ab40d4f1 IM	25
0465c7aa IM	26	static int e800_spk_amp_event(struct snd_soc_dapm_widget *w,
	27	struct snd_kcontrol *kcontrol, int event)
	28	{
	29	if (event & SND_SOC_DAPM_PRE_PMU)
	30	gpio_set_value(GPIO_E800_SPK_AMP_ON, 1);
	31	else if (event & SND_SOC_DAPM_POST_PMD)
	32	gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);
ab40d4f1	33
0465c7aa IM	34	return 0;
	35	}
	36
	37	static int e800_hp_amp_event(struct snd_soc_dapm_widget *w,
	38	struct snd_kcontrol *kcontrol, int event)
ab40d4f1	39	{
0465c7aa IM	40	if (event & SND_SOC_DAPM_PRE_PMU)
	41	gpio_set_value(GPIO_E800_HP_AMP_OFF, 0);
	42	else if (event & SND_SOC_DAPM_POST_PMD)
	43	gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);
	44
	45	return 0;
	46	}
	47
	48	static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
	49	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	50	SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
	51	SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
	52	SND_SOC_DAPM_SPK("Speaker", NULL),
	53	SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
	54	e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU \|
	55	SND_SOC_DAPM_POST_PMD),
	56	SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
	57	e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU \|
	58	SND_SOC_DAPM_POST_PMD),
	59	};
	60
	61	static const struct snd_soc_dapm_route audio_map[] = {
	62	{"Headphone Jack", NULL, "HPOUTL"},
	63	{"Headphone Jack", NULL, "HPOUTR"},
	64	{"Headphone Jack", NULL, "Headphone Amp"},
	65
	66	{"Speaker Amp", NULL, "MONOOUT"},
	67	{"Speaker", NULL, "Speaker Amp"},
	68
	69	{"MIC1", NULL, "Mic (Internal1)"},
	70	{"MIC2", NULL, "Mic (Internal2)"},
	71	};
	72
0465c7aa IM	73	static struct snd_soc_dai_link e800_dai[] = {
	74	{
	75	.name = "AC97",
	76	.stream_name = "AC97 HiFi",
4bfc4e25	77	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	78	.codec_dai_name = "wm9712-hifi",
	79	.platform_name = "pxa-pcm-audio",
	80	.codec_name = "wm9712-codec",
0465c7aa IM	81	},
	82	{
	83	.name = "AC97 Aux",
	84	.stream_name = "AC97 Aux",
4bfc4e25	85	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	86	.codec_dai_name ="wm9712-aux",
	87	.platform_name = "pxa-pcm-audio",
	88	.codec_name = "wm9712-codec",
0465c7aa	89	},
ab40d4f1 IM	90	};
ab40d4f1 IM	91
87506549	92	static struct snd_soc_card e800 = {
ab40d4f1	93	.name = "Toshiba e800",
561c6a17	94	.owner = THIS_MODULE,
ab40d4f1 IM	95	.dai_link = e800_dai,
ab40d4f1 IM	96	.num_links = ARRAY_SIZE(e800_dai),
1bdd301f LPC	97
	98	.dapm_widgets = e800_dapm_widgets,
	99	.num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets),
	100	.dapm_routes = audio_map,
	101	.num_dapm_routes = ARRAY_SIZE(audio_map),
ab40d4f1 IM	102	};
ab40d4f1 IM	103
1eb0202d AL	104	static struct gpio e800_audio_gpios[] = {
	105	{ GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
	106	{ GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
	107	};
ab40d4f1	108
570f6fe1	109	static int e800_probe(struct platform_device *pdev)
ab40d4f1	110	{
1eb0202d	111	struct snd_soc_card *card = &e800;
ab40d4f1 IM	112	int ret;
ab40d4f1 IM	113
1eb0202d AL	114	ret = gpio_request_array(e800_audio_gpios,
1eb0202d AL	115	ARRAY_SIZE(e800_audio_gpios));
0465c7aa IM	116	if (ret)
	117	return ret;
	118
1eb0202d	119	card->dev = &pdev->dev;
0465c7aa	120
2fd7076a	121	ret = devm_snd_soc_register_card(&pdev->dev, card);
1eb0202d AL	122	if (ret) {
	123	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	124	ret);
	125	gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
8faab941	126	}
ab40d4f1 IM	127	return ret;
	128	}
	129
570f6fe1	130	static int e800_remove(struct platform_device *pdev)
ab40d4f1	131	{
1eb0202d	132	gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
1eb0202d	133	return 0;
ab40d4f1 IM	134	}
ab40d4f1 IM	135
1eb0202d AL	136	static struct platform_driver e800_driver = {
	137	.driver = {
	138	.name = "e800-audio",
7db1698f	139	.pm = &snd_soc_pm_ops,
1eb0202d AL	140	},
1eb0202d AL	141	.probe = e800_probe,
570f6fe1	142	.remove = e800_remove,
1eb0202d AL	143	};
	144
	145	module_platform_driver(e800_driver);
ab40d4f1 IM	146
	147	/* Module information */
	148	MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
	149	MODULE_DESCRIPTION("ALSA SoC driver for e800");
0465c7aa	150	MODULE_LICENSE("GPL v2");
1eb0202d	151	MODULE_ALIAS("platform:e800-audio");