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Commit | Line | Data |
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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> |
16 | ||
aef3b06a ML |
17 | #define IPSEL 0xFE400034 |
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 | 30 | .name = "SH7760 AC97", |
4a7042e5 | 31 | .owner = THIS_MODULE, |
aef3b06a ML |
32 | .dai_link = &sh7760_ac97_dai, |
33 | .num_links = 1, | |
34 | }; | |
35 | ||
aef3b06a ML |
36 | static struct platform_device *sh7760_ac97_snd_device; |
37 | ||
38 | static int __init sh7760_ac97_init(void) | |
39 | { | |
40 | int ret; | |
41 | unsigned short ipsel; | |
42 | ||
43 | /* enable both AC97 controllers in pinmux reg */ | |
48ccb2ce PM |
44 | ipsel = __raw_readw(IPSEL); |
45 | __raw_writew(ipsel | (3 << 10), IPSEL); | |
aef3b06a ML |
46 | |
47 | ret = -ENOMEM; | |
48 | sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1); | |
49 | if (!sh7760_ac97_snd_device) | |
50 | goto out; | |
51 | ||
52 | platform_set_drvdata(sh7760_ac97_snd_device, | |
f0fba2ad | 53 | &sh7760_ac97_soc_machine); |
aef3b06a ML |
54 | ret = platform_device_add(sh7760_ac97_snd_device); |
55 | ||
56 | if (ret) | |
57 | platform_device_put(sh7760_ac97_snd_device); | |
58 | ||
59 | out: | |
60 | return ret; | |
61 | } | |
62 | ||
63 | static void __exit sh7760_ac97_exit(void) | |
64 | { | |
65 | platform_device_unregister(sh7760_ac97_snd_device); | |
66 | } | |
67 | ||
68 | module_init(sh7760_ac97_init); | |
69 | module_exit(sh7760_ac97_exit); | |
70 | ||
71 | MODULE_LICENSE("GPL"); | |
72 | MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine"); | |
73 | MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>"); |