[deliverable/linux.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-pcm.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_codec *codec)
{
	int err;

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

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

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

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

	/* Jack detection API stuff */
	err = snd_soc_jack_new(&palm27x_asoc, "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 = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
	.init = palm27x_ac97_init,
},
{
	.name = "AC97 Aux",
	.stream_name = "AC97 Aux",
	.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
},
};

static struct snd_soc_card palm27x_asoc = {
	.name = "Palm/PXA27x",
	.platform = &pxa2xx_soc_platform,
	.dai_link = palm27x_dai,
	.num_links = ARRAY_SIZE(palm27x_dai),
};

static struct snd_soc_device palm27x_snd_devdata = {
	.card = &palm27x_asoc,
	.codec_dev = &soc_codec_dev_wm9712,
};

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_snd_devdata);
	palm27x_snd_devdata.dev = &palm27x_snd_device->dev;
	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"
	32	#include "pxa2xx-pcm.h"
	33	#include "pxa2xx-ac97.h"
	34
4ce2f2fe	35	static struct snd_soc_jack hs_jack;
74e72201	36
4ce2f2fe MV	37	/* Headphones jack detection DAPM pins */
	38	static struct snd_soc_jack_pin hs_jack_pins[] = {
	39	{
	40	.pin = "Headphone Jack",
	41	.mask = SND_JACK_HEADPHONE,
	42	},
74e72201 MV	43	};
74e72201 MV	44
4ce2f2fe MV	45	/* Headphones jack detection gpios */
	46	static struct snd_soc_jack_gpio hs_jack_gpios[] = {
	47	[0] = {
	48	/* gpio is set on per-platform basis */
	49	.name = "hp-gpio",
	50	.report = SND_JACK_HEADPHONE,
	51	.debounce_time = 200,
	52	},
	53	};
74e72201	54
4ce2f2fe	55	/* Palm27x machine dapm widgets */
74e72201 MV	56	static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
74e72201 MV	57	SND_SOC_DAPM_HP("Headphone Jack", NULL),
4ce2f2fe MV	58	SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
4ce2f2fe MV	59	SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
74e72201 MV	60	};
	61
	62	/* PalmTX audio map */
	63	static const struct snd_soc_dapm_route audio_map[] = {
	64	/* headphone connected to HPOUTL, HPOUTR */
	65	{"Headphone Jack", NULL, "HPOUTL"},
	66	{"Headphone Jack", NULL, "HPOUTR"},
	67
	68	/* ext speaker connected to ROUT2, LOUT2 */
4ce2f2fe MV	69	{"Ext. Speaker", NULL, "LOUT2"},
4ce2f2fe MV	70	{"Ext. Speaker", NULL, "ROUT2"},
74e72201	71
4ce2f2fe MV	72	/* mic connected to MIC1 */
4ce2f2fe MV	73	{"Ext. Microphone", NULL, "MIC1"},
74e72201 MV	74	};
74e72201 MV	75
4ce2f2fe	76	static struct snd_soc_card palm27x_asoc;
74e72201 MV	77
	78	static int palm27x_ac97_init(struct snd_soc_codec *codec)
	79	{
eb5f6d75	80	int err;
74e72201	81
4ce2f2fe MV	82	/* add palm27x specific widgets */
	83	err = snd_soc_dapm_new_controls(codec, palm27x_dapm_widgets,
	84	ARRAY_SIZE(palm27x_dapm_widgets));
	85	if (err)
	86	return err;
	87
	88	/* set up palm27x specific audio path audio_map */
	89	err = snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
	90	if (err)
	91	return err;
	92
	93	/* connected pins */
	94	if (machine_is_palmld())
	95	snd_soc_dapm_enable_pin(codec, "MIC1");
	96	snd_soc_dapm_enable_pin(codec, "HPOUTL");
	97	snd_soc_dapm_enable_pin(codec, "HPOUTR");
	98	snd_soc_dapm_enable_pin(codec, "LOUT2");
	99	snd_soc_dapm_enable_pin(codec, "ROUT2");
	100
	101	/* not connected pins */
74e72201 MV	102	snd_soc_dapm_nc_pin(codec, "OUT3");
74e72201 MV	103	snd_soc_dapm_nc_pin(codec, "MONOOUT");
4ce2f2fe MV	104	snd_soc_dapm_nc_pin(codec, "LINEINL");
	105	snd_soc_dapm_nc_pin(codec, "LINEINR");
	106	snd_soc_dapm_nc_pin(codec, "PCBEEP");
	107	snd_soc_dapm_nc_pin(codec, "PHONE");
	108	snd_soc_dapm_nc_pin(codec, "MIC2");
	109
	110	err = snd_soc_dapm_sync(codec);
	111	if (err)
	112	return err;
74e72201	113
4ce2f2fe MV	114	/* Jack detection API stuff */
	115	err = snd_soc_jack_new(&palm27x_asoc, "Headphone Jack",
	116	SND_JACK_HEADPHONE, &hs_jack);
	117	if (err)
eb5f6d75	118	return err;
74e72201	119
4ce2f2fe MV	120	err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
	121	hs_jack_pins);
	122	if (err)
	123	return err;
74e72201	124
4ce2f2fe MV	125	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
4ce2f2fe MV	126	hs_jack_gpios);
74e72201	127
4ce2f2fe	128	return err;
74e72201 MV	129	}
	130
	131	static struct snd_soc_dai_link palm27x_dai[] = {
	132	{
	133	.name = "AC97 HiFi",
	134	.stream_name = "AC97 HiFi",
	135	.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
	136	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
	137	.init = palm27x_ac97_init,
74e72201 MV	138	},
	139	{
	140	.name = "AC97 Aux",
	141	.stream_name = "AC97 Aux",
	142	.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
	143	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
74e72201 MV	144	},
	145	};
	146
87506549	147	static struct snd_soc_card palm27x_asoc = {
74e72201	148	.name = "Palm/PXA27x",
87689d56	149	.platform = &pxa2xx_soc_platform,
74e72201 MV	150	.dai_link = palm27x_dai,
	151	.num_links = ARRAY_SIZE(palm27x_dai),
	152	};
	153
	154	static struct snd_soc_device palm27x_snd_devdata = {
87506549	155	.card = &palm27x_asoc,
74e72201 MV	156	.codec_dev = &soc_codec_dev_wm9712,
	157	};
	158
	159	static struct platform_device *palm27x_snd_device;
	160
e91fb913	161	static int palm27x_asoc_probe(struct platform_device *pdev)
74e72201 MV	162	{
	163	int ret;
	164
	165	if (!(machine_is_palmtx() \|\| machine_is_palmt5() \|\|
37330efd	166	machine_is_palmld() \|\| machine_is_palmte2()))
74e72201 MV	167	return -ENODEV;
74e72201 MV	168
4ce2f2fe MV	169	if (!pdev->dev.platform_data) {
	170	dev_err(&pdev->dev, "please supply platform_data\n");
	171	return -ENODEV;
	172	}
74e72201	173
4ce2f2fe MV	174	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
4ce2f2fe MV	175	(pdev->dev.platform_data))->jack_gpio;
74e72201 MV	176
74e72201 MV	177	palm27x_snd_device = platform_device_alloc("soc-audio", -1);
4ce2f2fe MV	178	if (!palm27x_snd_device)
4ce2f2fe MV	179	return -ENOMEM;
74e72201 MV	180
	181	platform_set_drvdata(palm27x_snd_device, &palm27x_snd_devdata);
	182	palm27x_snd_devdata.dev = &palm27x_snd_device->dev;
	183	ret = platform_device_add(palm27x_snd_device);
	184
	185	if (ret != 0)
	186	goto put_device;
	187
	188	return 0;
	189
	190	put_device:
	191	platform_device_put(palm27x_snd_device);
74e72201 MV	192
	193	return ret;
	194	}
	195
e91fb913	196	static int __devexit palm27x_asoc_remove(struct platform_device *pdev)
74e72201	197	{
74e72201	198	platform_device_unregister(palm27x_snd_device);
e91fb913	199	return 0;
74e72201 MV	200	}
74e72201 MV	201
e91fb913 MV	202	static struct platform_driver palm27x_wm9712_driver = {
	203	.probe = palm27x_asoc_probe,
	204	.remove = __devexit_p(palm27x_asoc_remove),
	205	.driver = {
	206	.name = "palm27x-asoc",
	207	.owner = THIS_MODULE,
	208	},
	209	};
	210
	211	static int __init palm27x_asoc_init(void)
	212	{
	213	return platform_driver_register(&palm27x_wm9712_driver);
	214	}
	215
	216	static void __exit palm27x_asoc_exit(void)
74e72201	217	{
e91fb913	218	platform_driver_unregister(&palm27x_wm9712_driver);
74e72201 MV	219	}
	220
	221	module_init(palm27x_asoc_init);
	222	module_exit(palm27x_asoc_exit);
	223
	224	/* Module information */
	225	MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
	226	MODULE_DESCRIPTION("ALSA SoC Palm T\|X, T5 and LifeDrive");
	227	MODULE_LICENSE("GPL");