1 /*
2 * Copyright (c) 2010 Nuvoton technology corporation.
3 *
4 * Wan ZongShun <mcuos.com@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation;version 2 of the License.
9 *
10 */
11
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/timer.h>
15 #include <linux/interrupt.h>
16 #include <linux/platform_device.h>
17
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/soc.h>
21
22 #include "nuc900-audio.h"
23
24 static struct snd_soc_dai_link nuc900evb_ac97_dai = {
25 .name = "AC97",
26 .stream_name = "AC97 HiFi",
27 .cpu_dai_name = "nuc900-ac97",
28 .codec_dai_name = "ac97-hifi",
29 .codec_name = "ac97-codec",
30 .platform_name = "nuc900-pcm-audio",
31 };
32
33 static struct snd_soc_card nuc900evb_audio_machine = {
34 .name = "NUC900EVB_AC97",
35 .owner = THIS_MODULE,
36 .dai_link = &nuc900evb_ac97_dai,
37 .num_links = 1,
38 };
39
40 static struct platform_device *nuc900evb_asoc_dev;
41
nuc900evb_audio_init(void)42 static int __init nuc900evb_audio_init(void)
43 {
44 int ret;
45
46 ret = -ENOMEM;
47 nuc900evb_asoc_dev = platform_device_alloc("soc-audio", -1);
48 if (!nuc900evb_asoc_dev)
49 goto out;
50
51 /* nuc900 board audio device */
52 platform_set_drvdata(nuc900evb_asoc_dev, &nuc900evb_audio_machine);
53
54 ret = platform_device_add(nuc900evb_asoc_dev);
55
56 if (ret) {
57 platform_device_put(nuc900evb_asoc_dev);
58 nuc900evb_asoc_dev = NULL;
59 }
60
61 out:
62 return ret;
63 }
64
nuc900evb_audio_exit(void)65 static void __exit nuc900evb_audio_exit(void)
66 {
67 platform_device_unregister(nuc900evb_asoc_dev);
68 }
69
70 module_init(nuc900evb_audio_init);
71 module_exit(nuc900evb_audio_exit);
72
73 MODULE_LICENSE("GPL");
74 MODULE_DESCRIPTION("NUC900 Series ASoC audio support");
75 MODULE_AUTHOR("Wan ZongShun");
76