[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / pxa / palm27x.c

/*
 * linux/sound/soc/pxa/palm27x.c
 *
 * SoC Audio driver for Palm T|X, T5 and LifeDrive
 *
 * based on tosa.c
 *
 * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

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

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

#include <asm/mach-types.h>
#include <mach/audio.h>
#include <linux/platform_data/asoc-palm27x.h>

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

static struct snd_soc_jack hs_jack;

/* Headphones jack detection DAPM pins */
static struct snd_soc_jack_pin hs_jack_pins[] = {
	{
		.pin    = "Headphone Jack",
		.mask   = SND_JACK_HEADPHONE,
	},
};

/* Headphones jack detection gpios */
static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	[0] = {
		/* gpio is set on per-platform basis */
		.name           = "hp-gpio",
		.report         = SND_JACK_HEADPHONE,
		.debounce_time	= 200,
	},
};

/* Palm27x machine dapm widgets */
static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
	SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
};

/* PalmTX audio map */
static const struct snd_soc_dapm_route audio_map[] = {
	/* headphone connected to HPOUTL, HPOUTR */
	{"Headphone Jack", NULL, "HPOUTL"},
	{"Headphone Jack", NULL, "HPOUTR"},

	/* ext speaker connected to ROUT2, LOUT2 */
	{"Ext. Speaker", NULL, "LOUT2"},
	{"Ext. Speaker", NULL, "ROUT2"},

	/* mic connected to MIC1 */
	{"Ext. Microphone", NULL, "MIC1"},
};

static struct snd_soc_card palm27x_asoc;

static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int err;

	/* connected pins */
	if (machine_is_palmld())
		snd_soc_dapm_enable_pin(dapm, "MIC1");
	snd_soc_dapm_enable_pin(dapm, "HPOUTL");
	snd_soc_dapm_enable_pin(dapm, "HPOUTR");
	snd_soc_dapm_enable_pin(dapm, "LOUT2");
	snd_soc_dapm_enable_pin(dapm, "ROUT2");

	/* not connected pins */
	snd_soc_dapm_nc_pin(dapm, "OUT3");
	snd_soc_dapm_nc_pin(dapm, "MONOOUT");
	snd_soc_dapm_nc_pin(dapm, "LINEINL");
	snd_soc_dapm_nc_pin(dapm, "LINEINR");
	snd_soc_dapm_nc_pin(dapm, "PCBEEP");
	snd_soc_dapm_nc_pin(dapm, "PHONE");
	snd_soc_dapm_nc_pin(dapm, "MIC2");

	/* Jack detection API stuff */
	err = snd_soc_jack_new(codec, "Headphone Jack",
				SND_JACK_HEADPHONE, &hs_jack);
	if (err)
		return err;

	err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
				hs_jack_pins);
	if (err)
		return err;

	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
				hs_jack_gpios);

	return err;
}

static struct snd_soc_dai_link palm27x_dai[] = {
{
	.name = "AC97 HiFi",
	.stream_name = "AC97 HiFi",
	.cpu_dai_name = "pxa2xx-ac97",
	.codec_dai_name =  "wm9712-hifi",
	.codec_name = "wm9712-codec",
	.platform_name = "pxa-pcm-audio",
	.init = palm27x_ac97_init,
},
{
	.name = "AC97 Aux",
	.stream_name = "AC97 Aux",
	.cpu_dai_name = "pxa2xx-ac97-aux",
	.codec_dai_name = "wm9712-aux",
	.codec_name = "wm9712-codec",
	.platform_name = "pxa-pcm-audio",
},
};

static struct snd_soc_card palm27x_asoc = {
	.name = "Palm/PXA27x",
	.owner = THIS_MODULE,
	.dai_link = palm27x_dai,
	.num_links = ARRAY_SIZE(palm27x_dai),
	.dapm_widgets = palm27x_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map)
};

static int palm27x_asoc_probe(struct platform_device *pdev)
{
	int ret;

	if (!(machine_is_palmtx() || machine_is_palmt5() ||
		machine_is_palmld() || machine_is_palmte2()))
		return -ENODEV;

	if (!pdev->dev.platform_data) {
		dev_err(&pdev->dev, "please supply platform_data\n");
		return -ENODEV;
	}

	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
			(pdev->dev.platform_data))->jack_gpio;

	palm27x_asoc.dev = &pdev->dev;

	ret = snd_soc_register_card(&palm27x_asoc);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
	return ret;
}

static int palm27x_asoc_remove(struct platform_device *pdev)
{
	snd_soc_unregister_card(&palm27x_asoc);
	return 0;
}

static struct platform_driver palm27x_wm9712_driver = {
	.probe		= palm27x_asoc_probe,
	.remove		= palm27x_asoc_remove,
	.driver		= {
		.name		= "palm27x-asoc",
		.owner		= THIS_MODULE,
	},
};

module_platform_driver(palm27x_wm9712_driver);

/* Module information */
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
MODULE_LICENSE("GPL");
Commit	Line	Data
74e72201 MV	1	/*
	2	* linux/sound/soc/pxa/palm27x.c
	3	*
	4	* SoC Audio driver for Palm T\|X, T5 and LifeDrive
	5	*
	6	* based on tosa.c
	7	*
	8	* Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com>
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*
	14	*/
	15
	16	#include <linux/module.h>
	17	#include <linux/moduleparam.h>
	18	#include <linux/device.h>
	19	#include <linux/gpio.h>
74e72201 MV	20
	21	#include <sound/core.h>
	22	#include <sound/pcm.h>
	23	#include <sound/soc.h>
4ce2f2fe	24	#include <sound/jack.h>
74e72201 MV	25
	26	#include <asm/mach-types.h>
	27	#include <mach/audio.h>
293b2da1	28	#include <linux/platform_data/asoc-palm27x.h>
74e72201 MV	29
74e72201 MV	30	#include "../codecs/wm9712.h"
74e72201 MV	31	#include "pxa2xx-ac97.h"
74e72201 MV	32
4ce2f2fe	33	static struct snd_soc_jack hs_jack;
74e72201	34
4ce2f2fe MV	35	/* Headphones jack detection DAPM pins */
	36	static struct snd_soc_jack_pin hs_jack_pins[] = {
	37	{
	38	.pin = "Headphone Jack",
	39	.mask = SND_JACK_HEADPHONE,
	40	},
74e72201 MV	41	};
74e72201 MV	42
4ce2f2fe MV	43	/* Headphones jack detection gpios */
	44	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	45	[0] = {
	46	/* gpio is set on per-platform basis */
	47	.name = "hp-gpio",
	48	.report = SND_JACK_HEADPHONE,
	49	.debounce_time = 200,
	50	},
	51	};
74e72201	52
4ce2f2fe	53	/* Palm27x machine dapm widgets */
74e72201 MV	54	static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
74e72201 MV	55	SND_SOC_DAPM_HP("Headphone Jack", NULL),
4ce2f2fe MV	56	SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
4ce2f2fe MV	57	SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
74e72201 MV	58	};
	59
	60	/* PalmTX audio map */
	61	static const struct snd_soc_dapm_route audio_map[] = {
	62	/* headphone connected to HPOUTL, HPOUTR */
	63	{"Headphone Jack", NULL, "HPOUTL"},
	64	{"Headphone Jack", NULL, "HPOUTR"},
	65
	66	/* ext speaker connected to ROUT2, LOUT2 */
4ce2f2fe MV	67	{"Ext. Speaker", NULL, "LOUT2"},
4ce2f2fe MV	68	{"Ext. Speaker", NULL, "ROUT2"},
74e72201	69
4ce2f2fe MV	70	/* mic connected to MIC1 */
4ce2f2fe MV	71	{"Ext. Microphone", NULL, "MIC1"},
74e72201 MV	72	};
74e72201 MV	73
4ce2f2fe	74	static struct snd_soc_card palm27x_asoc;
74e72201	75
f0fba2ad	76	static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
74e72201	77	{
f0fba2ad	78	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	79	struct snd_soc_dapm_context *dapm = &codec->dapm;
eb5f6d75	80	int err;
74e72201	81
4ce2f2fe MV	82	/* connected pins */
4ce2f2fe MV	83	if (machine_is_palmld())
ce6120cc LG	84	snd_soc_dapm_enable_pin(dapm, "MIC1");
	85	snd_soc_dapm_enable_pin(dapm, "HPOUTL");
	86	snd_soc_dapm_enable_pin(dapm, "HPOUTR");
	87	snd_soc_dapm_enable_pin(dapm, "LOUT2");
	88	snd_soc_dapm_enable_pin(dapm, "ROUT2");
4ce2f2fe MV	89
4ce2f2fe MV	90	/* not connected pins */
ce6120cc LG	91	snd_soc_dapm_nc_pin(dapm, "OUT3");
	92	snd_soc_dapm_nc_pin(dapm, "MONOOUT");
	93	snd_soc_dapm_nc_pin(dapm, "LINEINL");
	94	snd_soc_dapm_nc_pin(dapm, "LINEINR");
	95	snd_soc_dapm_nc_pin(dapm, "PCBEEP");
	96	snd_soc_dapm_nc_pin(dapm, "PHONE");
	97	snd_soc_dapm_nc_pin(dapm, "MIC2");
	98
4ce2f2fe	99	/* Jack detection API stuff */
f0fba2ad	100	err = snd_soc_jack_new(codec, "Headphone Jack",
4ce2f2fe MV	101	SND_JACK_HEADPHONE, &hs_jack);
4ce2f2fe MV	102	if (err)
eb5f6d75	103	return err;
74e72201	104
4ce2f2fe MV	105	err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	106	hs_jack_pins);
	107	if (err)
	108	return err;
74e72201	109
4ce2f2fe MV	110	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
4ce2f2fe MV	111	hs_jack_gpios);
74e72201	112
4ce2f2fe	113	return err;
74e72201 MV	114	}
	115
	116	static struct snd_soc_dai_link palm27x_dai[] = {
	117	{
	118	.name = "AC97 HiFi",
	119	.stream_name = "AC97 HiFi",
4bfc4e25	120	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	121	.codec_dai_name = "wm9712-hifi",
	122	.codec_name = "wm9712-codec",
	123	.platform_name = "pxa-pcm-audio",
74e72201	124	.init = palm27x_ac97_init,
74e72201 MV	125	},
	126	{
	127	.name = "AC97 Aux",
	128	.stream_name = "AC97 Aux",
4bfc4e25	129	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	130	.codec_dai_name = "wm9712-aux",
	131	.codec_name = "wm9712-codec",
	132	.platform_name = "pxa-pcm-audio",
74e72201 MV	133	},
	134	};
	135
87506549	136	static struct snd_soc_card palm27x_asoc = {
74e72201	137	.name = "Palm/PXA27x",
561c6a17	138	.owner = THIS_MODULE,
74e72201 MV	139	.dai_link = palm27x_dai,
74e72201 MV	140	.num_links = ARRAY_SIZE(palm27x_dai),
016fb39c MD	141	.dapm_widgets = palm27x_dapm_widgets,
	142	.num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
	143	.dapm_routes = audio_map,
	144	.num_dapm_routes = ARRAY_SIZE(audio_map)
74e72201 MV	145	};
74e72201 MV	146
e91fb913	147	static int palm27x_asoc_probe(struct platform_device *pdev)
74e72201 MV	148	{
	149	int ret;
	150
	151	if (!(machine_is_palmtx() \|\| machine_is_palmt5() \|\|
37330efd	152	machine_is_palmld() \|\| machine_is_palmte2()))
74e72201 MV	153	return -ENODEV;
74e72201 MV	154
4ce2f2fe MV	155	if (!pdev->dev.platform_data) {
	156	dev_err(&pdev->dev, "please supply platform_data\n");
	157	return -ENODEV;
	158	}
74e72201	159
4ce2f2fe MV	160	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
4ce2f2fe MV	161	(pdev->dev.platform_data))->jack_gpio;
74e72201	162
01a61f49	163	palm27x_asoc.dev = &pdev->dev;
74e72201	164
01a61f49 MD	165	ret = snd_soc_register_card(&palm27x_asoc);
	166	if (ret)
	167	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	168	ret);
74e72201 MV	169	return ret;
	170	}
	171
570f6fe1	172	static int palm27x_asoc_remove(struct platform_device *pdev)
74e72201	173	{
01a61f49	174	snd_soc_unregister_card(&palm27x_asoc);
e91fb913	175	return 0;
74e72201 MV	176	}
74e72201 MV	177
e91fb913 MV	178	static struct platform_driver palm27x_wm9712_driver = {
e91fb913 MV	179	.probe = palm27x_asoc_probe,
570f6fe1	180	.remove = palm27x_asoc_remove,
e91fb913 MV	181	.driver = {
	182	.name = "palm27x-asoc",
	183	.owner = THIS_MODULE,
	184	},
	185	};
	186
2f702a19	187	module_platform_driver(palm27x_wm9712_driver);
74e72201 MV	188
	189	/* Module information */
	190	MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
	191	MODULE_DESCRIPTION("ALSA SoC Palm T\|X, T5 and LifeDrive");
	192	MODULE_LICENSE("GPL");