1 // SPDX-License-Identifier: GPL-2.0
3 // Generic AC97 sound support for SH7760
5 // (c) 2007 Manuel Lauss
7 #include <linux/module.h>
8 #include <linux/moduleparam.h>
9 #include <linux/platform_device.h>
10 #include <sound/core.h>
11 #include <sound/pcm.h>
12 #include <sound/soc.h>
15 #define IPSEL 0xFE400034
17 static struct snd_soc_dai_link sh7760_ac97_dai = {
19 .stream_name = "AC97 HiFi",
20 .cpu_dai_name = "hac-dai.0", /* HAC0 */
21 .codec_dai_name = "ac97-hifi",
22 .platform_name = "sh7760-pcm-audio",
23 .codec_name = "ac97-codec",
27 static struct snd_soc_card sh7760_ac97_soc_machine = {
28 .name = "SH7760 AC97",
30 .dai_link = &sh7760_ac97_dai,
34 static struct platform_device *sh7760_ac97_snd_device;
36 static int __init sh7760_ac97_init(void)
41 /* enable both AC97 controllers in pinmux reg */
42 ipsel = __raw_readw(IPSEL);
43 __raw_writew(ipsel | (3 << 10), IPSEL);
46 sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);
47 if (!sh7760_ac97_snd_device)
50 platform_set_drvdata(sh7760_ac97_snd_device,
51 &sh7760_ac97_soc_machine);
52 ret = platform_device_add(sh7760_ac97_snd_device);
55 platform_device_put(sh7760_ac97_snd_device);
61 static void __exit sh7760_ac97_exit(void)
63 platform_device_unregister(sh7760_ac97_snd_device);
66 module_init(sh7760_ac97_init);
67 module_exit(sh7760_ac97_exit);
69 MODULE_LICENSE("GPL v2");
70 MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
71 MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");