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142054a3 MR |
1 | /* |
2 | * em-x270.c -- SoC audio for EM-X270 | |
3 | * | |
4 | * Copyright 2007 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 | * | |
d331124d | 12 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
142054a3 MR |
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/driver.h> | |
27 | #include <sound/core.h> | |
28 | #include <sound/pcm.h> | |
29 | #include <sound/soc.h> | |
30 | #include <sound/soc-dapm.h> | |
31 | ||
32 | #include <asm/mach-types.h> | |
a09e64fb RK |
33 | #include <mach/pxa-regs.h> |
34 | #include <mach/hardware.h> | |
35 | #include <mach/audio.h> | |
142054a3 MR |
36 | |
37 | #include "../codecs/wm9712.h" | |
38 | #include "pxa2xx-pcm.h" | |
39 | #include "pxa2xx-ac97.h" | |
40 | ||
41 | static struct snd_soc_dai_link em_x270_dai[] = { | |
42 | { | |
43 | .name = "AC97", | |
44 | .stream_name = "AC97 HiFi", | |
45 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], | |
46 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], | |
47 | }, | |
48 | { | |
49 | .name = "AC97 Aux", | |
50 | .stream_name = "AC97 Aux", | |
51 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], | |
52 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], | |
53 | }, | |
54 | }; | |
55 | ||
56 | static struct snd_soc_machine 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 snd_soc_device em_x270_snd_devdata = { | |
63 | .machine = &em_x270, | |
64 | .platform = &pxa2xx_soc_platform, | |
65 | .codec_dev = &soc_codec_dev_wm9712, | |
66 | }; | |
67 | ||
68 | static struct platform_device *em_x270_snd_device; | |
69 | ||
70 | static int __init em_x270_init(void) | |
71 | { | |
72 | int ret; | |
73 | ||
74 | if (!machine_is_em_x270()) | |
75 | return -ENODEV; | |
76 | ||
77 | em_x270_snd_device = platform_device_alloc("soc-audio", -1); | |
78 | if (!em_x270_snd_device) | |
79 | return -ENOMEM; | |
80 | ||
81 | platform_set_drvdata(em_x270_snd_device, &em_x270_snd_devdata); | |
82 | em_x270_snd_devdata.dev = &em_x270_snd_device->dev; | |
83 | ret = platform_device_add(em_x270_snd_device); | |
84 | ||
85 | if (ret) | |
86 | platform_device_put(em_x270_snd_device); | |
87 | ||
88 | return ret; | |
89 | } | |
90 | ||
91 | static void __exit em_x270_exit(void) | |
92 | { | |
93 | platform_device_unregister(em_x270_snd_device); | |
94 | } | |
95 | ||
96 | module_init(em_x270_init); | |
97 | module_exit(em_x270_exit); | |
98 | ||
99 | /* Module information */ | |
100 | MODULE_AUTHOR("Mike Rapoport"); | |
101 | MODULE_DESCRIPTION("ALSA SoC EM-X270"); | |
102 | MODULE_LICENSE("GPL"); |