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1 | /* | |
2 | * SoC audio driver for EM-X270, eXeda and CM-X300 | |
3 | * | |
4 | * Copyright 2007, 2009 CompuLab, Ltd. | |
5 | * | |
6 | * Author: Mike Rapoport <mike@compulab.co.il> | |
7 | * | |
8 | * Copied from tosa.c: | |
9 | * Copyright 2005 Wolfson Microelectronics PLC. | |
10 | * Copyright 2005 Openedhand Ltd. | |
11 | * | |
12 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> | |
13 | * Richard Purdie <richard@openedhand.com> | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify it | |
16 | * under the terms of the GNU General Public License as published by the | |
17 | * Free Software Foundation; either version 2 of the License, or (at your | |
18 | * option) any later version. | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/moduleparam.h> | |
24 | #include <linux/device.h> | |
25 | ||
26 | #include <sound/core.h> | |
27 | #include <sound/pcm.h> | |
28 | #include <sound/soc.h> | |
29 | #include <sound/soc-dapm.h> | |
30 | ||
31 | #include <asm/mach-types.h> | |
32 | #include <mach/audio.h> | |
33 | ||
34 | #include "../codecs/wm9712.h" | |
35 | #include "pxa2xx-ac97.h" | |
36 | ||
37 | static struct snd_soc_dai_link em_x270_dai[] = { | |
38 | { | |
39 | .name = "AC97", | |
40 | .stream_name = "AC97 HiFi", | |
41 | .cpu_dai_name = "pxa-ac97.0", | |
42 | .codec_dai_name = "wm9712-hifi", | |
43 | .platform_name = "pxa-pcm-audio", | |
44 | .codec_name = "wm9712-codec", | |
45 | }, | |
46 | { | |
47 | .name = "AC97 Aux", | |
48 | .stream_name = "AC97 Aux", | |
49 | .cpu_dai_name = "pxa-ac97.1", | |
50 | .codec_dai_name ="wm9712-aux", | |
51 | .platform_name = "pxa-pcm-audio", | |
52 | .codec_name = "wm9712-codec", | |
53 | }, | |
54 | }; | |
55 | ||
56 | static struct snd_soc_card em_x270 = { | |
57 | .name = "EM-X270", | |
58 | .dai_link = em_x270_dai, | |
59 | .num_links = ARRAY_SIZE(em_x270_dai), | |
60 | }; | |
61 | ||
62 | static struct platform_device *em_x270_snd_device; | |
63 | ||
64 | static int __init em_x270_init(void) | |
65 | { | |
66 | int ret; | |
67 | ||
68 | if (!(machine_is_em_x270() || machine_is_exeda() | |
69 | || machine_is_cm_x300())) | |
70 | return -ENODEV; | |
71 | ||
72 | em_x270_snd_device = platform_device_alloc("soc-audio", -1); | |
73 | if (!em_x270_snd_device) | |
74 | return -ENOMEM; | |
75 | ||
76 | platform_set_drvdata(em_x270_snd_device, &em_x270); | |
77 | ret = platform_device_add(em_x270_snd_device); | |
78 | ||
79 | if (ret) | |
80 | platform_device_put(em_x270_snd_device); | |
81 | ||
82 | return ret; | |
83 | } | |
84 | ||
85 | static void __exit em_x270_exit(void) | |
86 | { | |
87 | platform_device_unregister(em_x270_snd_device); | |
88 | } | |
89 | ||
90 | module_init(em_x270_init); | |
91 | module_exit(em_x270_exit); | |
92 | ||
93 | /* Module information */ | |
94 | MODULE_AUTHOR("Mike Rapoport"); | |
95 | MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300"); | |
96 | MODULE_LICENSE("GPL"); |