[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/soc-dapm.h>
#include <sound/jack.h>

#include <asm/mach-types.h>
#include <mach/audio.h>
#include <mach/palmasoc.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;

	/* add palm27x specific widgets */
	err = snd_soc_dapm_new_controls(dapm, palm27x_dapm_widgets,
				ARRAY_SIZE(palm27x_dapm_widgets));
	if (err)
		return err;

	/* set up palm27x specific audio path audio_map */
	err = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
	if (err)
		return 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");

	err = snd_soc_dapm_sync(dapm);
	if (err)
		return err;

	/* 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 = "pxa-ac97.0",
	.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 = "pxa-ac97.1",
	.codec_dai_name = "wm9712-aux",
	.codec_name = "wm9712-codec",
	.platform_name = "pxa-pcm-audio",
},
};

static struct snd_soc_card palm27x_asoc = {
	.name = "Palm/PXA27x",
	.dai_link = palm27x_dai,
	.num_links = ARRAY_SIZE(palm27x_dai),
};

static struct platform_device *palm27x_snd_device;

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_snd_device = platform_device_alloc("soc-audio", -1);
	if (!palm27x_snd_device)
		return -ENOMEM;

	platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
	ret = platform_device_add(palm27x_snd_device);

	if (ret != 0)
		goto put_device;

	return 0;

put_device:
	platform_device_put(palm27x_snd_device);

	return ret;
}

static int __devexit palm27x_asoc_remove(struct platform_device *pdev)
{
	platform_device_unregister(palm27x_snd_device);
	return 0;
}

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

static int __init palm27x_asoc_init(void)
{
	return platform_driver_register(&palm27x_wm9712_driver);
}

static void __exit palm27x_asoc_exit(void)
{
	platform_driver_unregister(&palm27x_wm9712_driver);
}

module_init(palm27x_asoc_init);
module_exit(palm27x_asoc_exit);

/* 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>
	24	#include <sound/soc-dapm.h>
4ce2f2fe	25	#include <sound/jack.h>
74e72201 MV	26
	27	#include <asm/mach-types.h>
	28	#include <mach/audio.h>
	29	#include <mach/palmasoc.h>
	30
	31	#include "../codecs/wm9712.h"
74e72201 MV	32	#include "pxa2xx-ac97.h"
74e72201 MV	33
4ce2f2fe	34	static struct snd_soc_jack hs_jack;
74e72201	35
4ce2f2fe MV	36	/* Headphones jack detection DAPM pins */
	37	static struct snd_soc_jack_pin hs_jack_pins[] = {
	38	{
	39	.pin = "Headphone Jack",
	40	.mask = SND_JACK_HEADPHONE,
	41	},
74e72201 MV	42	};
74e72201 MV	43
4ce2f2fe MV	44	/* Headphones jack detection gpios */
	45	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	46	[0] = {
	47	/* gpio is set on per-platform basis */
	48	.name = "hp-gpio",
	49	.report = SND_JACK_HEADPHONE,
	50	.debounce_time = 200,
	51	},
	52	};
74e72201	53
4ce2f2fe	54	/* Palm27x machine dapm widgets */
74e72201 MV	55	static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
74e72201 MV	56	SND_SOC_DAPM_HP("Headphone Jack", NULL),
4ce2f2fe MV	57	SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
4ce2f2fe MV	58	SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
74e72201 MV	59	};
	60
	61	/* PalmTX audio map */
	62	static const struct snd_soc_dapm_route audio_map[] = {
	63	/* headphone connected to HPOUTL, HPOUTR */
	64	{"Headphone Jack", NULL, "HPOUTL"},
	65	{"Headphone Jack", NULL, "HPOUTR"},
	66
	67	/* ext speaker connected to ROUT2, LOUT2 */
4ce2f2fe MV	68	{"Ext. Speaker", NULL, "LOUT2"},
4ce2f2fe MV	69	{"Ext. Speaker", NULL, "ROUT2"},
74e72201	70
4ce2f2fe MV	71	/* mic connected to MIC1 */
4ce2f2fe MV	72	{"Ext. Microphone", NULL, "MIC1"},
74e72201 MV	73	};
74e72201 MV	74
4ce2f2fe	75	static struct snd_soc_card palm27x_asoc;
74e72201	76
f0fba2ad	77	static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
74e72201	78	{
f0fba2ad	79	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	80	struct snd_soc_dapm_context *dapm = &codec->dapm;
eb5f6d75	81	int err;
74e72201	82
4ce2f2fe	83	/* add palm27x specific widgets */
ce6120cc	84	err = snd_soc_dapm_new_controls(dapm, palm27x_dapm_widgets,
4ce2f2fe MV	85	ARRAY_SIZE(palm27x_dapm_widgets));
	86	if (err)
	87	return err;
	88
	89	/* set up palm27x specific audio path audio_map */
ce6120cc	90	err = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
4ce2f2fe MV	91	if (err)
	92	return err;
	93
	94	/* connected pins */
	95	if (machine_is_palmld())
ce6120cc LG	96	snd_soc_dapm_enable_pin(dapm, "MIC1");
	97	snd_soc_dapm_enable_pin(dapm, "HPOUTL");
	98	snd_soc_dapm_enable_pin(dapm, "HPOUTR");
	99	snd_soc_dapm_enable_pin(dapm, "LOUT2");
	100	snd_soc_dapm_enable_pin(dapm, "ROUT2");
4ce2f2fe MV	101
4ce2f2fe MV	102	/* not connected pins */
ce6120cc LG	103	snd_soc_dapm_nc_pin(dapm, "OUT3");
	104	snd_soc_dapm_nc_pin(dapm, "MONOOUT");
	105	snd_soc_dapm_nc_pin(dapm, "LINEINL");
	106	snd_soc_dapm_nc_pin(dapm, "LINEINR");
	107	snd_soc_dapm_nc_pin(dapm, "PCBEEP");
	108	snd_soc_dapm_nc_pin(dapm, "PHONE");
	109	snd_soc_dapm_nc_pin(dapm, "MIC2");
	110
	111	err = snd_soc_dapm_sync(dapm);
4ce2f2fe MV	112	if (err)
4ce2f2fe MV	113	return err;
74e72201	114
4ce2f2fe	115	/* Jack detection API stuff */
f0fba2ad	116	err = snd_soc_jack_new(codec, "Headphone Jack",
4ce2f2fe MV	117	SND_JACK_HEADPHONE, &hs_jack);
4ce2f2fe MV	118	if (err)
eb5f6d75	119	return err;
74e72201	120
4ce2f2fe MV	121	err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	122	hs_jack_pins);
	123	if (err)
	124	return err;
74e72201	125
4ce2f2fe MV	126	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
4ce2f2fe MV	127	hs_jack_gpios);
74e72201	128
4ce2f2fe	129	return err;
74e72201 MV	130	}
	131
	132	static struct snd_soc_dai_link palm27x_dai[] = {
	133	{
	134	.name = "AC97 HiFi",
	135	.stream_name = "AC97 HiFi",
f0fba2ad LG	136	.cpu_dai_name = "pxa-ac97.0",
	137	.codec_dai_name = "wm9712-hifi",
	138	.codec_name = "wm9712-codec",
	139	.platform_name = "pxa-pcm-audio",
74e72201	140	.init = palm27x_ac97_init,
74e72201 MV	141	},
	142	{
	143	.name = "AC97 Aux",
	144	.stream_name = "AC97 Aux",
f0fba2ad LG	145	.cpu_dai_name = "pxa-ac97.1",
	146	.codec_dai_name = "wm9712-aux",
	147	.codec_name = "wm9712-codec",
	148	.platform_name = "pxa-pcm-audio",
74e72201 MV	149	},
	150	};
	151
87506549	152	static struct snd_soc_card palm27x_asoc = {
74e72201 MV	153	.name = "Palm/PXA27x",
	154	.dai_link = palm27x_dai,
	155	.num_links = ARRAY_SIZE(palm27x_dai),
	156	};
	157
74e72201 MV	158	static struct platform_device *palm27x_snd_device;
74e72201 MV	159
e91fb913	160	static int palm27x_asoc_probe(struct platform_device *pdev)
74e72201 MV	161	{
	162	int ret;
	163
	164	if (!(machine_is_palmtx() \|\| machine_is_palmt5() \|\|
37330efd	165	machine_is_palmld() \|\| machine_is_palmte2()))
74e72201 MV	166	return -ENODEV;
74e72201 MV	167
4ce2f2fe MV	168	if (!pdev->dev.platform_data) {
	169	dev_err(&pdev->dev, "please supply platform_data\n");
	170	return -ENODEV;
	171	}
74e72201	172
4ce2f2fe MV	173	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
4ce2f2fe MV	174	(pdev->dev.platform_data))->jack_gpio;
74e72201 MV	175
74e72201 MV	176	palm27x_snd_device = platform_device_alloc("soc-audio", -1);
4ce2f2fe MV	177	if (!palm27x_snd_device)
4ce2f2fe MV	178	return -ENOMEM;
74e72201	179
f0fba2ad	180	platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
74e72201 MV	181	ret = platform_device_add(palm27x_snd_device);
	182
	183	if (ret != 0)
	184	goto put_device;
	185
	186	return 0;
	187
	188	put_device:
	189	platform_device_put(palm27x_snd_device);
74e72201 MV	190
	191	return ret;
	192	}
	193
e91fb913	194	static int __devexit palm27x_asoc_remove(struct platform_device *pdev)
74e72201	195	{
74e72201	196	platform_device_unregister(palm27x_snd_device);
e91fb913	197	return 0;
74e72201 MV	198	}
74e72201 MV	199
e91fb913 MV	200	static struct platform_driver palm27x_wm9712_driver = {
	201	.probe = palm27x_asoc_probe,
	202	.remove = __devexit_p(palm27x_asoc_remove),
	203	.driver = {
	204	.name = "palm27x-asoc",
	205	.owner = THIS_MODULE,
	206	},
	207	};
	208
	209	static int __init palm27x_asoc_init(void)
	210	{
	211	return platform_driver_register(&palm27x_wm9712_driver);
	212	}
	213
	214	static void __exit palm27x_asoc_exit(void)
74e72201	215	{
e91fb913	216	platform_driver_unregister(&palm27x_wm9712_driver);
74e72201 MV	217	}
	218
	219	module_init(palm27x_asoc_init);
	220	module_exit(palm27x_asoc_exit);
	221
	222	/* Module information */
	223	MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
	224	MODULE_DESCRIPTION("ALSA SoC Palm T\|X, T5 and LifeDrive");
	225	MODULE_LICENSE("GPL");