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/*
* ASoC driver for Freescale MXS EVK board
*
* Author: Vladislav Buzov <vbuzov@embeddedalley.com>
*
* Copyright 2008-2010 Freescale Semiconductor, Inc.
* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#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 "../codecs/mxs-adc-codec.h"
#include "mxs-adc.h"
#include "mxs-pcm.h"
/* mxs evk dac/adc audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link mxs_evk_codec_dai = {
.name = "MXS ADC/DAC",
.stream_name = "MXS ADC/DAC",
.cpu_dai = &mxs_adc_dai,
.codec_dai = &mxs_codec_dai,
};
/* mxs evk audio machine driver */
static struct snd_soc_card snd_soc_card_mxs_evk = {
.name = "MXS EVK",
.platform = &mxs_soc_platform,
.dai_link = &mxs_evk_codec_dai,
.num_links = 1,
};
/* mxs evk audio subsystem */
static struct snd_soc_device mxs_evk_snd_devdata = {
.card = &snd_soc_card_mxs_evk,
.codec_dev = &soc_codec_dev_mxs,
};
static struct platform_device *mxs_evk_snd_device;
static int __init mxs_evk_adc_init(void)
{
int ret = 0;
mxs_evk_snd_device = platform_device_alloc("soc-audio", 0);
if (!mxs_evk_snd_device)
return -ENOMEM;
platform_set_drvdata(mxs_evk_snd_device,
&mxs_evk_snd_devdata);
mxs_evk_snd_devdata.dev = &mxs_evk_snd_device->dev;
mxs_evk_snd_device->dev.platform_data =
&mxs_evk_snd_devdata;
ret = platform_device_add(mxs_evk_snd_device);
if (ret)
platform_device_put(mxs_evk_snd_device);
return ret;
}
static void __exit mxs_evk_adc_exit(void)
{
platform_device_unregister(mxs_evk_snd_device);
}
module_init(mxs_evk_adc_init);
module_exit(mxs_evk_adc_exit);
MODULE_AUTHOR("Vladislav Buzov");
MODULE_DESCRIPTION("MXS EVK board ADC/DAC driver");
MODULE_LICENSE("GPL");
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