72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
//
|
||
|
|
// Generic AC97 sound support for SH7760
|
||
|
|
//
|
||
|
|
// (c) 2007 Manuel Lauss
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/moduleparam.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <sound/core.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
|
||
|
|
#define IPSEL 0xFE400034
|
||
|
|
|
||
|
|
static struct snd_soc_dai_link sh7760_ac97_dai = {
|
||
|
|
.name = "AC97",
|
||
|
|
.stream_name = "AC97 HiFi",
|
||
|
|
.cpu_dai_name = "hac-dai.0", /* HAC0 */
|
||
|
|
.codec_dai_name = "ac97-hifi",
|
||
|
|
.platform_name = "sh7760-pcm-audio",
|
||
|
|
.codec_name = "ac97-codec",
|
||
|
|
.ops = NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_card sh7760_ac97_soc_machine = {
|
||
|
|
.name = "SH7760 AC97",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.dai_link = &sh7760_ac97_dai,
|
||
|
|
.num_links = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_device *sh7760_ac97_snd_device;
|
||
|
|
|
||
|
|
static int __init sh7760_ac97_init(void)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
unsigned short ipsel;
|
||
|
|
|
||
|
|
/* enable both AC97 controllers in pinmux reg */
|
||
|
|
ipsel = __raw_readw(IPSEL);
|
||
|
|
__raw_writew(ipsel | (3 << 10), IPSEL);
|
||
|
|
|
||
|
|
ret = -ENOMEM;
|
||
|
|
sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);
|
||
|
|
if (!sh7760_ac97_snd_device)
|
||
|
|
goto out;
|
||
|
|
|
||
|
|
platform_set_drvdata(sh7760_ac97_snd_device,
|
||
|
|
&sh7760_ac97_soc_machine);
|
||
|
|
ret = platform_device_add(sh7760_ac97_snd_device);
|
||
|
|
|
||
|
|
if (ret)
|
||
|
|
platform_device_put(sh7760_ac97_snd_device);
|
||
|
|
|
||
|
|
out:
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit sh7760_ac97_exit(void)
|
||
|
|
{
|
||
|
|
platform_device_unregister(sh7760_ac97_snd_device);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(sh7760_ac97_init);
|
||
|
|
module_exit(sh7760_ac97_exit);
|
||
|
|
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
|
||
|
|
MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");
|