[linux-2.6-block.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 */
	{"MIC1", NULL, "Ext. Microphone"},
};

static struct snd_soc_card palm27x_asoc;

static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
	int err;

	/* Jack detection API stuff */
	err = snd_soc_card_jack_new(rtd->card, "Headphone Jack",
				    SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins,
				    ARRAY_SIZE(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),
	.fully_routed = true,
};

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

static struct platform_driver palm27x_wm9712_driver = {
	.probe		= palm27x_asoc_probe,
	.driver		= {
		.name		= "palm27x-asoc",
		.pm     = &snd_soc_pm_ops,
	},
};

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");
MODULE_ALIAS("platform:palm27x-asoc");
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	70	/* mic connected to MIC1 */
b68ef0e0	71	{"MIC1", NULL, "Ext. Microphone"},
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	{
eb5f6d75	78	int err;
74e72201	79
4ce2f2fe	80	/* Jack detection API stuff */
bc1e2e06 LPC	81	err = snd_soc_card_jack_new(rtd->card, "Headphone Jack",
	82	SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins,
	83	ARRAY_SIZE(hs_jack_pins));
4ce2f2fe MV	84	if (err)
4ce2f2fe MV	85	return err;
74e72201	86
4ce2f2fe MV	87	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
4ce2f2fe MV	88	hs_jack_gpios);
74e72201	89
4ce2f2fe	90	return err;
74e72201 MV	91	}
	92
	93	static struct snd_soc_dai_link palm27x_dai[] = {
	94	{
	95	.name = "AC97 HiFi",
	96	.stream_name = "AC97 HiFi",
4bfc4e25	97	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	98	.codec_dai_name = "wm9712-hifi",
	99	.codec_name = "wm9712-codec",
	100	.platform_name = "pxa-pcm-audio",
74e72201	101	.init = palm27x_ac97_init,
74e72201 MV	102	},
	103	{
	104	.name = "AC97 Aux",
	105	.stream_name = "AC97 Aux",
4bfc4e25	106	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	107	.codec_dai_name = "wm9712-aux",
	108	.codec_name = "wm9712-codec",
	109	.platform_name = "pxa-pcm-audio",
74e72201 MV	110	},
	111	};
	112
87506549	113	static struct snd_soc_card palm27x_asoc = {
74e72201	114	.name = "Palm/PXA27x",
561c6a17	115	.owner = THIS_MODULE,
74e72201 MV	116	.dai_link = palm27x_dai,
74e72201 MV	117	.num_links = ARRAY_SIZE(palm27x_dai),
016fb39c MD	118	.dapm_widgets = palm27x_dapm_widgets,
	119	.num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
	120	.dapm_routes = audio_map,
19a3477e LPC	121	.num_dapm_routes = ARRAY_SIZE(audio_map),
19a3477e LPC	122	.fully_routed = true,
74e72201 MV	123	};
74e72201 MV	124
e91fb913	125	static int palm27x_asoc_probe(struct platform_device *pdev)
74e72201 MV	126	{
	127	int ret;
	128
	129	if (!(machine_is_palmtx() \|\| machine_is_palmt5() \|\|
37330efd	130	machine_is_palmld() \|\| machine_is_palmte2()))
74e72201 MV	131	return -ENODEV;
74e72201 MV	132
4ce2f2fe MV	133	if (!pdev->dev.platform_data) {
	134	dev_err(&pdev->dev, "please supply platform_data\n");
	135	return -ENODEV;
	136	}
74e72201	137
4ce2f2fe MV	138	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
4ce2f2fe MV	139	(pdev->dev.platform_data))->jack_gpio;
74e72201	140
01a61f49	141	palm27x_asoc.dev = &pdev->dev;
74e72201	142
2fd7076a	143	ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc);
01a61f49 MD	144	if (ret)
	145	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	146	ret);
74e72201 MV	147	return ret;
	148	}
	149
e91fb913 MV	150	static struct platform_driver palm27x_wm9712_driver = {
e91fb913 MV	151	.probe = palm27x_asoc_probe,
e91fb913 MV	152	.driver = {
e91fb913 MV	153	.name = "palm27x-asoc",
7db1698f	154	.pm = &snd_soc_pm_ops,
e91fb913 MV	155	},
	156	};
	157
2f702a19	158	module_platform_driver(palm27x_wm9712_driver);
74e72201 MV	159
	160	/* Module information */
	161	MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
	162	MODULE_DESCRIPTION("ALSA SoC Palm T\|X, T5 and LifeDrive");
	163	MODULE_LICENSE("GPL");
e5b7d71a	164	MODULE_ALIAS("platform:palm27x-asoc");