[deliverable/linux.git] / sound / soc / imx / phycore-ac97.c

/*
 * phycore-ac97.c  --  SoC audio for imx_phycore in AC97 mode
 *
 * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
 *
 *  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;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>

static struct snd_soc_card imx_phycore;

static struct snd_soc_ops imx_phycore_hifi_ops = {
};

static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
	{
		.name		= "HiFi",
		.stream_name	= "HiFi",
		.codec_dai_name		= "wm9712-hifi",
		.codec_name	= "wm9712-codec",
		.cpu_dai_name	= "imx-ssi.0",
		.platform_name	= "imx-fiq-pcm-audio.0",
		.ops		= &imx_phycore_hifi_ops,
	},
};

static struct snd_soc_card imx_phycore = {
	.name		= "PhyCORE-ac97-audio",
	.dai_link	= imx_phycore_dai_ac97,
	.num_links	= ARRAY_SIZE(imx_phycore_dai_ac97),
};

static struct platform_device *imx_phycore_snd_ac97_device;
static struct platform_device *imx_phycore_snd_device;

static int __init imx_phycore_init(void)
{
	int ret;

	if (!machine_is_pcm043() && !machine_is_pca100())
		/* return happy. We might run on a totally different machine */
		return 0;

	imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
	if (!imx_phycore_snd_ac97_device)
		return -ENOMEM;

	platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
	ret = platform_device_add(imx_phycore_snd_ac97_device);
	if (ret)
		goto fail1;

	imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
	if (!imx_phycore_snd_device) {
		ret = -ENOMEM;
		goto fail2;
	}
	ret = platform_device_add(imx_phycore_snd_device);

	if (ret) {
		printk(KERN_ERR "ASoC: Platform device allocation failed\n");
		goto fail3;
	}

	return 0;

fail3:
	platform_device_put(imx_phycore_snd_device);
fail2:
	platform_device_del(imx_phycore_snd_ac97_device);
fail1:
	platform_device_put(imx_phycore_snd_ac97_device);
	return ret;
}

static void __exit imx_phycore_exit(void)
{
	platform_device_unregister(imx_phycore_snd_device);
	platform_device_unregister(imx_phycore_snd_ac97_device);
}

late_initcall(imx_phycore_init);
module_exit(imx_phycore_exit);

MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
22313eaf MB	1	/*
	2	* phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode
	3	*
	4	* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
	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; either version 2 of the License, or (at your
	9	* option) any later version.
	10	*
	11	*/
	12
	13	#include <linux/module.h>
	14	#include <linux/moduleparam.h>
	15	#include <linux/device.h>
	16	#include <linux/i2c.h>
	17	#include <sound/core.h>
	18	#include <sound/pcm.h>
	19	#include <sound/soc.h>
22313eaf MB	20	#include <asm/mach-types.h>
22313eaf MB	21
22313eaf MB	22	static struct snd_soc_card imx_phycore;
	23
	24	static struct snd_soc_ops imx_phycore_hifi_ops = {
	25	};
	26
	27	static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
	28	{
	29	.name = "HiFi",
	30	.stream_name = "HiFi",
f0fba2ad LG	31	.codec_dai_name = "wm9712-hifi",
f0fba2ad LG	32	.codec_name = "wm9712-codec",
205d231b	33	.cpu_dai_name = "imx-ssi.0",
f0fba2ad	34	.platform_name = "imx-fiq-pcm-audio.0",
22313eaf MB	35	.ops = &imx_phycore_hifi_ops,
	36	},
	37	};
	38
	39	static struct snd_soc_card imx_phycore = {
6424dca2	40	.name = "PhyCORE-ac97-audio",
22313eaf MB	41	.dai_link = imx_phycore_dai_ac97,
	42	.num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
	43	};
	44
09de9533	45	static struct platform_device *imx_phycore_snd_ac97_device;
22313eaf MB	46	static struct platform_device *imx_phycore_snd_device;
	47
	48	static int __init imx_phycore_init(void)
	49	{
	50	int ret;
	51
	52	if (!machine_is_pcm043() && !machine_is_pca100())
	53	/* return happy. We might run on a totally different machine */
	54	return 0;
	55
09de9533 AL	56	imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
09de9533 AL	57	if (!imx_phycore_snd_ac97_device)
22313eaf MB	58	return -ENOMEM;
22313eaf MB	59
09de9533 AL	60	platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
	61	ret = platform_device_add(imx_phycore_snd_ac97_device);
	62	if (ret)
	63	goto fail1;
22313eaf	64
f0fba2ad	65	imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
09de9533 AL	66	if (!imx_phycore_snd_device) {
	67	ret = -ENOMEM;
	68	goto fail2;
	69	}
22313eaf MB	70	ret = platform_device_add(imx_phycore_snd_device);
	71
	72	if (ret) {
	73	printk(KERN_ERR "ASoC: Platform device allocation failed\n");
09de9533	74	goto fail3;
22313eaf MB	75	}
22313eaf MB	76
09de9533 AL	77	return 0;
	78
	79	fail3:
	80	platform_device_put(imx_phycore_snd_device);
	81	fail2:
	82	platform_device_del(imx_phycore_snd_ac97_device);
	83	fail1:
	84	platform_device_put(imx_phycore_snd_ac97_device);
22313eaf MB	85	return ret;
	86	}
	87
	88	static void __exit imx_phycore_exit(void)
	89	{
	90	platform_device_unregister(imx_phycore_snd_device);
09de9533	91	platform_device_unregister(imx_phycore_snd_ac97_device);
22313eaf MB	92	}
	93
	94	late_initcall(imx_phycore_init);
	95	module_exit(imx_phycore_exit);
	96
	97	MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
	98	MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
	99	MODULE_LICENSE("GPL");