[mirror_ubuntu-bionic-kernel.git] / sound / soc / sh / sh7760-ac97.c

/*
 * Generic AC97 sound support for SH7760
 *
 * (c) 2007 Manuel Lauss
 *
 * Licensed under the GPLv2.
 */

#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",
	.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");
MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");
Commit	Line	Data
aef3b06a ML	1	/*
	2	* Generic AC97 sound support for SH7760
	3	*
	4	* (c) 2007 Manuel Lauss
	5	*
	6	* Licensed under the GPLv2.
	7	*/
	8
	9	#include <linux/module.h>
	10	#include <linux/moduleparam.h>
	11	#include <linux/platform_device.h>
aef3b06a ML	12	#include <sound/core.h>
	13	#include <sound/pcm.h>
	14	#include <sound/soc.h>
aef3b06a ML	15	#include <asm/io.h>
aef3b06a ML	16
aef3b06a ML	17	#define IPSEL 0xFE400034
aef3b06a ML	18
aef3b06a ML	19	static struct snd_soc_dai_link sh7760_ac97_dai = {
	20	.name = "AC97",
	21	.stream_name = "AC97 HiFi",
f0fba2ad LG	22	.cpu_dai_name = "hac-dai.0", /* HAC0 */
	23	.codec_dai_name = "ac97-hifi",
	24	.platform_name = "sh7760-pcm-audio",
	25	.codec_name = "ac97-codec",
aef3b06a ML	26	.ops = NULL,
	27	};
	28
87506549	29	static struct snd_soc_card sh7760_ac97_soc_machine = {
aef3b06a ML	30	.name = "SH7760 AC97",
	31	.dai_link = &sh7760_ac97_dai,
	32	.num_links = 1,
	33	};
	34
aef3b06a ML	35	static struct platform_device *sh7760_ac97_snd_device;
	36
	37	static int __init sh7760_ac97_init(void)
	38	{
	39	int ret;
	40	unsigned short ipsel;
	41
	42	/* enable both AC97 controllers in pinmux reg */
48ccb2ce PM	43	ipsel = __raw_readw(IPSEL);
48ccb2ce PM	44	__raw_writew(ipsel \| (3 << 10), IPSEL);
aef3b06a ML	45
	46	ret = -ENOMEM;
	47	sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);
	48	if (!sh7760_ac97_snd_device)
	49	goto out;
	50
	51	platform_set_drvdata(sh7760_ac97_snd_device,
f0fba2ad	52	&sh7760_ac97_soc_machine);
aef3b06a ML	53	ret = platform_device_add(sh7760_ac97_snd_device);
	54
	55	if (ret)
	56	platform_device_put(sh7760_ac97_snd_device);
	57
	58	out:
	59	return ret;
	60	}
	61
	62	static void __exit sh7760_ac97_exit(void)
	63	{
	64	platform_device_unregister(sh7760_ac97_snd_device);
	65	}
	66
	67	module_init(sh7760_ac97_init);
	68	module_exit(sh7760_ac97_exit);
	69
	70	MODULE_LICENSE("GPL");
	71	MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
	72	MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");