[deliverable/linux.git] / sound / soc / fsl / 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>

#include "imx-audmux.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-ssi.0",
		.ops		= &imx_phycore_hifi_ops,
	},
};

static struct snd_soc_card imx_phycore = {
	.name		= "PhyCORE-ac97-audio",
	.owner		= THIS_MODULE,
	.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_pca100()) {
		imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
			IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */
			IMX_AUDMUX_V1_PCR_TFCSEL(3) |
			IMX_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
			IMX_AUDMUX_V1_PCR_RXDSEL(3));
		imx_audmux_v1_configure_port(3,
			IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */
			IMX_AUDMUX_V1_PCR_TFCSEL(0) |
			IMX_AUDMUX_V1_PCR_TFSDIR |
			IMX_AUDMUX_V1_PCR_RXDSEL(0));
	} else if (machine_is_pcm043()) {
		imx_audmux_v2_configure_port(3,
			IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
			IMX_AUDMUX_V2_PTCR_TFSEL(0) |
			IMX_AUDMUX_V2_PTCR_TFSDIR,
			IMX_AUDMUX_V2_PDCR_RXDSEL(0));
		imx_audmux_v2_configure_port(0,
			IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
			IMX_AUDMUX_V2_PTCR_TCSEL(3) |
			IMX_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
			IMX_AUDMUX_V2_PDCR_RXDSEL(3));
	} else {
		/* 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	20	#include <asm/mach-types.h>
3c77c29c SG	21
3c77c29c SG	22	#include "imx-audmux.h"
22313eaf	23
22313eaf MB	24	static struct snd_soc_card imx_phycore;
	25
	26	static struct snd_soc_ops imx_phycore_hifi_ops = {
	27	};
	28
	29	static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
	30	{
	31	.name = "HiFi",
	32	.stream_name = "HiFi",
f0fba2ad LG	33	.codec_dai_name = "wm9712-hifi",
f0fba2ad LG	34	.codec_name = "wm9712-codec",
205d231b	35	.cpu_dai_name = "imx-ssi.0",
2bf9d4bb	36	.platform_name = "imx-ssi.0",
22313eaf MB	37	.ops = &imx_phycore_hifi_ops,
	38	},
	39	};
	40
	41	static struct snd_soc_card imx_phycore = {
6424dca2	42	.name = "PhyCORE-ac97-audio",
6aff8ccb	43	.owner = THIS_MODULE,
22313eaf MB	44	.dai_link = imx_phycore_dai_ac97,
	45	.num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
	46	};
	47
09de9533	48	static struct platform_device *imx_phycore_snd_ac97_device;
22313eaf MB	49	static struct platform_device *imx_phycore_snd_device;
	50
	51	static int __init imx_phycore_init(void)
	52	{
	53	int ret;
	54
17ec38a8	55	if (machine_is_pca100()) {
af4872fb SG	56	imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
	57	IMX_AUDMUX_V1_PCR_SYN \| /* 4wire mode */
	58	IMX_AUDMUX_V1_PCR_TFCSEL(3) \|
	59	IMX_AUDMUX_V1_PCR_TCLKDIR \| /* clock is output */
	60	IMX_AUDMUX_V1_PCR_RXDSEL(3));
	61	imx_audmux_v1_configure_port(3,
	62	IMX_AUDMUX_V1_PCR_SYN \| /* 4wire mode */
	63	IMX_AUDMUX_V1_PCR_TFCSEL(0) \|
	64	IMX_AUDMUX_V1_PCR_TFSDIR \|
	65	IMX_AUDMUX_V1_PCR_RXDSEL(0));
17ec38a8	66	} else if (machine_is_pcm043()) {
af4872fb SG	67	imx_audmux_v2_configure_port(3,
	68	IMX_AUDMUX_V2_PTCR_SYN \| /* 4wire mode */
	69	IMX_AUDMUX_V2_PTCR_TFSEL(0) \|
	70	IMX_AUDMUX_V2_PTCR_TFSDIR,
	71	IMX_AUDMUX_V2_PDCR_RXDSEL(0));
	72	imx_audmux_v2_configure_port(0,
	73	IMX_AUDMUX_V2_PTCR_SYN \| /* 4wire mode */
	74	IMX_AUDMUX_V2_PTCR_TCSEL(3) \|
	75	IMX_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
	76	IMX_AUDMUX_V2_PDCR_RXDSEL(3));
17ec38a8	77	} else {
22313eaf MB	78	/* return happy. We might run on a totally different machine */
22313eaf MB	79	return 0;
17ec38a8	80	}
22313eaf	81
09de9533 AL	82	imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
09de9533 AL	83	if (!imx_phycore_snd_ac97_device)
22313eaf MB	84	return -ENOMEM;
22313eaf MB	85
09de9533 AL	86	platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
	87	ret = platform_device_add(imx_phycore_snd_ac97_device);
	88	if (ret)
	89	goto fail1;
22313eaf	90
f0fba2ad	91	imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
09de9533 AL	92	if (!imx_phycore_snd_device) {
	93	ret = -ENOMEM;
	94	goto fail2;
	95	}
22313eaf MB	96	ret = platform_device_add(imx_phycore_snd_device);
	97
	98	if (ret) {
	99	printk(KERN_ERR "ASoC: Platform device allocation failed\n");
09de9533	100	goto fail3;
22313eaf MB	101	}
22313eaf MB	102
09de9533 AL	103	return 0;
	104
	105	fail3:
	106	platform_device_put(imx_phycore_snd_device);
	107	fail2:
	108	platform_device_del(imx_phycore_snd_ac97_device);
	109	fail1:
	110	platform_device_put(imx_phycore_snd_ac97_device);
22313eaf MB	111	return ret;
	112	}
	113
	114	static void __exit imx_phycore_exit(void)
	115	{
	116	platform_device_unregister(imx_phycore_snd_device);
09de9533	117	platform_device_unregister(imx_phycore_snd_ac97_device);
22313eaf MB	118	}
	119
	120	late_initcall(imx_phycore_init);
	121	module_exit(imx_phycore_exit);
	122
	123	MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
	124	MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
	125	MODULE_LICENSE("GPL");