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 | ||
18 | #include "../codecs/ac97.h" | |
19 | ||
20 | #define IPSEL 0xFE400034 | |
21 | ||
22 | /* platform specific structs can be declared here */ | |
53640650 | 23 | extern struct snd_soc_dai sh4_hac_dai[2]; |
aef3b06a ML |
24 | extern struct snd_soc_platform sh7760_soc_platform; |
25 | ||
26 | static int machine_init(struct snd_soc_codec *codec) | |
27 | { | |
a5302181 | 28 | snd_soc_dapm_sync(codec); |
aef3b06a ML |
29 | return 0; |
30 | } | |
31 | ||
32 | static struct snd_soc_dai_link sh7760_ac97_dai = { | |
33 | .name = "AC97", | |
34 | .stream_name = "AC97 HiFi", | |
35 | .cpu_dai = &sh4_hac_dai[0], /* HAC0 */ | |
36 | .codec_dai = &ac97_dai, | |
37 | .init = machine_init, | |
38 | .ops = NULL, | |
39 | }; | |
40 | ||
87506549 | 41 | static struct snd_soc_card sh7760_ac97_soc_machine = { |
aef3b06a | 42 | .name = "SH7760 AC97", |
87689d56 | 43 | .platform = &sh7760_soc_platform, |
aef3b06a ML |
44 | .dai_link = &sh7760_ac97_dai, |
45 | .num_links = 1, | |
46 | }; | |
47 | ||
48 | static struct snd_soc_device sh7760_ac97_snd_devdata = { | |
87506549 | 49 | .card = &sh7760_ac97_soc_machine, |
aef3b06a ML |
50 | .codec_dev = &soc_codec_dev_ac97, |
51 | }; | |
52 | ||
53 | static struct platform_device *sh7760_ac97_snd_device; | |
54 | ||
55 | static int __init sh7760_ac97_init(void) | |
56 | { | |
57 | int ret; | |
58 | unsigned short ipsel; | |
59 | ||
60 | /* enable both AC97 controllers in pinmux reg */ | |
61 | ipsel = ctrl_inw(IPSEL); | |
62 | ctrl_outw(ipsel | (3 << 10), IPSEL); | |
63 | ||
64 | ret = -ENOMEM; | |
65 | sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1); | |
66 | if (!sh7760_ac97_snd_device) | |
67 | goto out; | |
68 | ||
69 | platform_set_drvdata(sh7760_ac97_snd_device, | |
70 | &sh7760_ac97_snd_devdata); | |
71 | sh7760_ac97_snd_devdata.dev = &sh7760_ac97_snd_device->dev; | |
72 | ret = platform_device_add(sh7760_ac97_snd_device); | |
73 | ||
74 | if (ret) | |
75 | platform_device_put(sh7760_ac97_snd_device); | |
76 | ||
77 | out: | |
78 | return ret; | |
79 | } | |
80 | ||
81 | static void __exit sh7760_ac97_exit(void) | |
82 | { | |
83 | platform_device_unregister(sh7760_ac97_snd_device); | |
84 | } | |
85 | ||
86 | module_init(sh7760_ac97_init); | |
87 | module_exit(sh7760_ac97_exit); | |
88 | ||
89 | MODULE_LICENSE("GPL"); | |
90 | MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine"); | |
91 | MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>"); |