100 строки
2.3 KiB
C
100 строки
2.3 KiB
C
/*
|
|
* em-x270.c -- SoC audio for EM-X270
|
|
*
|
|
* Copyright 2007 CompuLab, Ltd.
|
|
*
|
|
* Author: Mike Rapoport <mike@compulab.co.il>
|
|
*
|
|
* Copied from tosa.c:
|
|
* Copyright 2005 Wolfson Microelectronics PLC.
|
|
* Copyright 2005 Openedhand Ltd.
|
|
*
|
|
* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
|
|
* Richard Purdie <richard@openedhand.com>
|
|
*
|
|
* 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 <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <mach/audio.h>
|
|
|
|
#include "../codecs/wm9712.h"
|
|
#include "pxa2xx-pcm.h"
|
|
#include "pxa2xx-ac97.h"
|
|
|
|
static struct snd_soc_dai_link em_x270_dai[] = {
|
|
{
|
|
.name = "AC97",
|
|
.stream_name = "AC97 HiFi",
|
|
.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
|
|
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
|
|
},
|
|
{
|
|
.name = "AC97 Aux",
|
|
.stream_name = "AC97 Aux",
|
|
.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
|
|
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card em_x270 = {
|
|
.name = "EM-X270",
|
|
.platform = &pxa2xx_soc_platform,
|
|
.dai_link = em_x270_dai,
|
|
.num_links = ARRAY_SIZE(em_x270_dai),
|
|
};
|
|
|
|
static struct snd_soc_device em_x270_snd_devdata = {
|
|
.card = &em_x270,
|
|
.codec_dev = &soc_codec_dev_wm9712,
|
|
};
|
|
|
|
static struct platform_device *em_x270_snd_device;
|
|
|
|
static int __init em_x270_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (!machine_is_em_x270())
|
|
return -ENODEV;
|
|
|
|
em_x270_snd_device = platform_device_alloc("soc-audio", -1);
|
|
if (!em_x270_snd_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(em_x270_snd_device, &em_x270_snd_devdata);
|
|
em_x270_snd_devdata.dev = &em_x270_snd_device->dev;
|
|
ret = platform_device_add(em_x270_snd_device);
|
|
|
|
if (ret)
|
|
platform_device_put(em_x270_snd_device);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit em_x270_exit(void)
|
|
{
|
|
platform_device_unregister(em_x270_snd_device);
|
|
}
|
|
|
|
module_init(em_x270_init);
|
|
module_exit(em_x270_exit);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Mike Rapoport");
|
|
MODULE_DESCRIPTION("ALSA SoC EM-X270");
|
|
MODULE_LICENSE("GPL");
|