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