Commit | Line | Data |
---|---|---|
04433977 KM |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // | |
3 | // Generic AC97 sound support for SH7760 | |
4 | // | |
5 | // (c) 2007 Manuel Lauss | |
aef3b06a ML |
6 | |
7 | #include <linux/module.h> | |
8 | #include <linux/moduleparam.h> | |
9 | #include <linux/platform_device.h> | |
aef3b06a ML |
10 | #include <sound/core.h> |
11 | #include <sound/pcm.h> | |
12 | #include <sound/soc.h> | |
aef3b06a ML |
13 | #include <asm/io.h> |
14 | ||
aef3b06a ML |
15 | #define IPSEL 0xFE400034 |
16 | ||
f9aaa192 KM |
17 | SND_SOC_DAILINK_DEFS(ac97, |
18 | DAILINK_COMP_ARRAY(COMP_CPU("hac-dai.0")), /* HAC0 */ | |
19 | DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")), | |
20 | DAILINK_COMP_ARRAY(COMP_PLATFORM("sh7760-pcm-audio"))); | |
21 | ||
aef3b06a ML |
22 | static struct snd_soc_dai_link sh7760_ac97_dai = { |
23 | .name = "AC97", | |
24 | .stream_name = "AC97 HiFi", | |
f9aaa192 | 25 | SND_SOC_DAILINK_REG(ac97), |
aef3b06a ML |
26 | }; |
27 | ||
87506549 | 28 | static struct snd_soc_card sh7760_ac97_soc_machine = { |
aef3b06a | 29 | .name = "SH7760 AC97", |
4a7042e5 | 30 | .owner = THIS_MODULE, |
aef3b06a ML |
31 | .dai_link = &sh7760_ac97_dai, |
32 | .num_links = 1, | |
33 | }; | |
34 | ||
aef3b06a ML |
35 | static struct platform_device *sh7760_ac97_snd_device; |
36 | ||
37 | static int __init sh7760_ac97_init(void) | |
38 | { | |
39 | int ret; | |
40 | unsigned short ipsel; | |
41 | ||
42 | /* enable both AC97 controllers in pinmux reg */ | |
48ccb2ce PM |
43 | ipsel = __raw_readw(IPSEL); |
44 | __raw_writew(ipsel | (3 << 10), IPSEL); | |
aef3b06a ML |
45 | |
46 | ret = -ENOMEM; | |
47 | sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1); | |
48 | if (!sh7760_ac97_snd_device) | |
49 | goto out; | |
50 | ||
51 | platform_set_drvdata(sh7760_ac97_snd_device, | |
f0fba2ad | 52 | &sh7760_ac97_soc_machine); |
aef3b06a ML |
53 | ret = platform_device_add(sh7760_ac97_snd_device); |
54 | ||
55 | if (ret) | |
56 | platform_device_put(sh7760_ac97_snd_device); | |
57 | ||
58 | out: | |
59 | return ret; | |
60 | } | |
61 | ||
62 | static void __exit sh7760_ac97_exit(void) | |
63 | { | |
64 | platform_device_unregister(sh7760_ac97_snd_device); | |
65 | } | |
66 | ||
67 | module_init(sh7760_ac97_init); | |
68 | module_exit(sh7760_ac97_exit); | |
69 | ||
04433977 | 70 | MODULE_LICENSE("GPL v2"); |
aef3b06a ML |
71 | MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine"); |
72 | MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>"); |