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/*
* ASoC driver for MXS Evk development board
*
* Copyright (C) 2008-2010 Freescale Semiconductor, Inc.
*
* based on stmp3780_devb_spdif.c
*
* Vladimir Barinov <vbarinov@embeddedalley.com>
*
* Copyright 2008 SigmaTel, Inc
* Copyright 2008 Embedded Alley Solutions, Inc
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
#include <asm/dma.h>
#include <mach/hardware.h>
#include "mxs-spdif-dai.h"
#include "../codecs/mxs_spdif.h"
#include "mxs-pcm.h"
/* mxs devb digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link mxs_devb_dai = {
.name = "MXS SPDIF",
.stream_name = "MXS SPDIF",
.cpu_dai = &mxs_spdif_dai,
.codec_dai = &mxs_spdif_codec_dai,
};
/* mxs devb audio machine driver */
static struct snd_soc_card snd_soc_machine_mxs_devb = {
.name = "mxs-evk",
.platform = &mxs_soc_platform,
.dai_link = &mxs_devb_dai,
.num_links = 1,
};
/* mxs devb audio subsystem */
static struct snd_soc_device mxs_devb_snd_devdata = {
.card = &snd_soc_machine_mxs_devb,
.codec_dev = &soc_spdif_codec_dev_mxs,
};
static struct platform_device *mxs_devb_snd_device;
static int __init mxs_devb_init(void)
{
int ret = 0;
mxs_devb_snd_device = platform_device_alloc("soc-audio", 2);
if (!mxs_devb_snd_device)
return -ENOMEM;
platform_set_drvdata(mxs_devb_snd_device,
&mxs_devb_snd_devdata);
mxs_devb_snd_devdata.dev = &mxs_devb_snd_device->dev;
mxs_devb_snd_device->dev.platform_data =
&mxs_devb_snd_devdata;
ret = platform_device_add(mxs_devb_snd_device);
if (ret)
platform_device_put(mxs_devb_snd_device);
return ret;
}
static void __exit mxs_devb_exit(void)
{
platform_device_unregister(mxs_devb_snd_device);
}
module_init(mxs_devb_init);
module_exit(mxs_devb_exit);
MODULE_AUTHOR("Vladimir Barinov");
MODULE_DESCRIPTION("MXS EVK development board ASoC driver");
MODULE_LICENSE("GPL");
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