1 /*
2 * Generic TXx9 ACLC machine driver
3 *
4 * Copyright (C) 2009 Atsushi Nemoto
5 *
6 * Based on RBTX49xx patch from CELF patch archive.
7 * (C) Copyright TOSHIBA CORPORATION 2004-2006
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * This is a very generic AC97 sound machine driver for boards which
14 * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
15 */
16
17 #include <linux/module.h>
18 #include <linux/platform_device.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/soc.h>
22 #include "txx9aclc.h"
23
24 static struct snd_soc_dai_link txx9aclc_generic_dai = {
25 .name = "AC97",
26 .stream_name = "AC97 HiFi",
27 .cpu_dai_name = "txx9aclc-ac97",
28 .codec_dai_name = "ac97-hifi",
29 .platform_name = "txx9aclc-pcm-audio",
30 .codec_name = "ac97-codec",
31 };
32
33 static struct snd_soc_card txx9aclc_generic_card = {
34 .name = "Generic TXx9 ACLC Audio",
35 .owner = THIS_MODULE,
36 .dai_link = &txx9aclc_generic_dai,
37 .num_links = 1,
38 };
39
40 static struct platform_device *soc_pdev;
41
txx9aclc_generic_probe(struct platform_device * pdev)42 static int __init txx9aclc_generic_probe(struct platform_device *pdev)
43 {
44 int ret;
45
46 soc_pdev = platform_device_alloc("soc-audio", -1);
47 if (!soc_pdev)
48 return -ENOMEM;
49 platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
50 ret = platform_device_add(soc_pdev);
51 if (ret) {
52 platform_device_put(soc_pdev);
53 return ret;
54 }
55
56 return 0;
57 }
58
txx9aclc_generic_remove(struct platform_device * pdev)59 static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
60 {
61 platform_device_unregister(soc_pdev);
62 return 0;
63 }
64
65 static struct platform_driver txx9aclc_generic_driver = {
66 .remove = __exit_p(txx9aclc_generic_remove),
67 .driver = {
68 .name = "txx9aclc-generic",
69 .owner = THIS_MODULE,
70 },
71 };
72
txx9aclc_generic_init(void)73 static int __init txx9aclc_generic_init(void)
74 {
75 return platform_driver_probe(&txx9aclc_generic_driver,
76 txx9aclc_generic_probe);
77 }
78
txx9aclc_generic_exit(void)79 static void __exit txx9aclc_generic_exit(void)
80 {
81 platform_driver_unregister(&txx9aclc_generic_driver);
82 }
83
84 module_init(txx9aclc_generic_init);
85 module_exit(txx9aclc_generic_exit);
86
87 MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
88 MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
89 MODULE_LICENSE("GPL");
90 MODULE_ALIAS("platform:txx9aclc-generic");
91