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> | |
15 | #include <sound/soc-dapm.h> | |
16 | #include <asm/io.h> | |
17 | ||
aef3b06a ML |
18 | #define IPSEL 0xFE400034 |
19 | ||
20 | /* platform specific structs can be declared here */ | |
f0fba2ad LG |
21 | extern struct snd_soc_dai_driver sh4_hac_dai[2]; |
22 | extern struct snd_soc_platform_driver sh7760_soc_platform; | |
aef3b06a | 23 | |
f0fba2ad | 24 | static int machine_init(struct snd_soc_pcm_runtime *rtd) |
aef3b06a | 25 | { |
ce6120cc | 26 | snd_soc_dapm_sync(&rtd->codec->dapm); |
aef3b06a ML |
27 | return 0; |
28 | } | |
29 | ||
30 | static struct snd_soc_dai_link sh7760_ac97_dai = { | |
31 | .name = "AC97", | |
32 | .stream_name = "AC97 HiFi", | |
f0fba2ad LG |
33 | .cpu_dai_name = "hac-dai.0", /* HAC0 */ |
34 | .codec_dai_name = "ac97-hifi", | |
35 | .platform_name = "sh7760-pcm-audio", | |
36 | .codec_name = "ac97-codec", | |
aef3b06a ML |
37 | .init = machine_init, |
38 | .ops = NULL, | |
39 | }; | |
40 | ||
87506549 | 41 | static struct snd_soc_card sh7760_ac97_soc_machine = { |
aef3b06a ML |
42 | .name = "SH7760 AC97", |
43 | .dai_link = &sh7760_ac97_dai, | |
44 | .num_links = 1, | |
45 | }; | |
46 | ||
aef3b06a ML |
47 | static struct platform_device *sh7760_ac97_snd_device; |
48 | ||
49 | static int __init sh7760_ac97_init(void) | |
50 | { | |
51 | int ret; | |
52 | unsigned short ipsel; | |
53 | ||
54 | /* enable both AC97 controllers in pinmux reg */ | |
48ccb2ce PM |
55 | ipsel = __raw_readw(IPSEL); |
56 | __raw_writew(ipsel | (3 << 10), IPSEL); | |
aef3b06a ML |
57 | |
58 | ret = -ENOMEM; | |
59 | sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1); | |
60 | if (!sh7760_ac97_snd_device) | |
61 | goto out; | |
62 | ||
63 | platform_set_drvdata(sh7760_ac97_snd_device, | |
f0fba2ad | 64 | &sh7760_ac97_soc_machine); |
aef3b06a ML |
65 | ret = platform_device_add(sh7760_ac97_snd_device); |
66 | ||
67 | if (ret) | |
68 | platform_device_put(sh7760_ac97_snd_device); | |
69 | ||
70 | out: | |
71 | return ret; | |
72 | } | |
73 | ||
74 | static void __exit sh7760_ac97_exit(void) | |
75 | { | |
76 | platform_device_unregister(sh7760_ac97_snd_device); | |
77 | } | |
78 | ||
79 | module_init(sh7760_ac97_init); | |
80 | module_exit(sh7760_ac97_exit); | |
81 | ||
82 | MODULE_LICENSE("GPL"); | |
83 | MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine"); | |
84 | MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>"); |