diff options
Diffstat (limited to 'sound/soc/imx/phycore-ac97.c')
-rw-r--r-- | sound/soc/imx/phycore-ac97.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c new file mode 100644 index 00000000000..a7deb5cb243 --- /dev/null +++ b/sound/soc/imx/phycore-ac97.c | |||
@@ -0,0 +1,99 @@ | |||
1 | /* | ||
2 | * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode | ||
3 | * | ||
4 | * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation; either version 2 of the License, or (at your | ||
9 | * option) any later version. | ||
10 | * | ||
11 | */ | ||
12 | |||
13 | #include <linux/module.h> | ||
14 | #include <linux/moduleparam.h> | ||
15 | #include <linux/device.h> | ||
16 | #include <linux/i2c.h> | ||
17 | #include <sound/core.h> | ||
18 | #include <sound/pcm.h> | ||
19 | #include <sound/soc.h> | ||
20 | #include <asm/mach-types.h> | ||
21 | |||
22 | static struct snd_soc_card imx_phycore; | ||
23 | |||
24 | static struct snd_soc_ops imx_phycore_hifi_ops = { | ||
25 | }; | ||
26 | |||
27 | static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { | ||
28 | { | ||
29 | .name = "HiFi", | ||
30 | .stream_name = "HiFi", | ||
31 | .codec_dai_name = "wm9712-hifi", | ||
32 | .codec_name = "wm9712-codec", | ||
33 | .cpu_dai_name = "imx-ssi.0", | ||
34 | .platform_name = "imx-fiq-pcm-audio.0", | ||
35 | .ops = &imx_phycore_hifi_ops, | ||
36 | }, | ||
37 | }; | ||
38 | |||
39 | static struct snd_soc_card imx_phycore = { | ||
40 | .name = "PhyCORE-ac97-audio", | ||
41 | .dai_link = imx_phycore_dai_ac97, | ||
42 | .num_links = ARRAY_SIZE(imx_phycore_dai_ac97), | ||
43 | }; | ||
44 | |||
45 | static struct platform_device *imx_phycore_snd_ac97_device; | ||
46 | static struct platform_device *imx_phycore_snd_device; | ||
47 | |||
48 | static int __init imx_phycore_init(void) | ||
49 | { | ||
50 | int ret; | ||
51 | |||
52 | if (!machine_is_pcm043() && !machine_is_pca100()) | ||
53 | /* return happy. We might run on a totally different machine */ | ||
54 | return 0; | ||
55 | |||
56 | imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1); | ||
57 | if (!imx_phycore_snd_ac97_device) | ||
58 | return -ENOMEM; | ||
59 | |||
60 | platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore); | ||
61 | ret = platform_device_add(imx_phycore_snd_ac97_device); | ||
62 | if (ret) | ||
63 | goto fail1; | ||
64 | |||
65 | imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1); | ||
66 | if (!imx_phycore_snd_device) { | ||
67 | ret = -ENOMEM; | ||
68 | goto fail2; | ||
69 | } | ||
70 | ret = platform_device_add(imx_phycore_snd_device); | ||
71 | |||
72 | if (ret) { | ||
73 | printk(KERN_ERR "ASoC: Platform device allocation failed\n"); | ||
74 | goto fail3; | ||
75 | } | ||
76 | |||
77 | return 0; | ||
78 | |||
79 | fail3: | ||
80 | platform_device_put(imx_phycore_snd_device); | ||
81 | fail2: | ||
82 | platform_device_del(imx_phycore_snd_ac97_device); | ||
83 | fail1: | ||
84 | platform_device_put(imx_phycore_snd_ac97_device); | ||
85 | return ret; | ||
86 | } | ||
87 | |||
88 | static void __exit imx_phycore_exit(void) | ||
89 | { | ||
90 | platform_device_unregister(imx_phycore_snd_device); | ||
91 | platform_device_unregister(imx_phycore_snd_ac97_device); | ||
92 | } | ||
93 | |||
94 | late_initcall(imx_phycore_init); | ||
95 | module_exit(imx_phycore_exit); | ||
96 | |||
97 | MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); | ||
98 | MODULE_DESCRIPTION("PhyCORE ALSA SoC driver"); | ||
99 | MODULE_LICENSE("GPL"); | ||