projects / deliverable / linux.git / blame
| 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> | |
| 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>"); |