1/*
2 * smdk_wm9713.c  --  SoC audio for SMDK
3 *
4 * Copyright 2010 Samsung Electronics Co. Ltd.
5 * Author: Jaswinder Singh Brar <jassisinghbrar@gmail.com>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of the
10 * License, or (at your option) any later version.
11 *
12 */
13
14#include <linux/module.h>
15#include <sound/soc.h>
16
17static struct snd_soc_card smdk;
18
19/*
20 * Default CFG switch settings to use this driver:
21 *
22 *   SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off
23 *   SMDKC100: Set CFG6 1-3 On, CFG7 1   On
24 *   SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On
25 *   SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On
26 *   SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On
27 */
28
29/*
30 Playback (HeadPhone):-
31	$ amixer sset 'Headphone' unmute
32	$ amixer sset 'Right Headphone Out Mux' 'Headphone'
33	$ amixer sset 'Left Headphone Out Mux' 'Headphone'
34	$ amixer sset 'Right HP Mixer PCM' unmute
35	$ amixer sset 'Left HP Mixer PCM' unmute
36
37 Capture (LineIn):-
38	$ amixer sset 'Right Capture Source' 'Line'
39	$ amixer sset 'Left Capture Source' 'Line'
40*/
41
42static struct snd_soc_dai_link smdk_dai = {
43	.name = "AC97",
44	.stream_name = "AC97 PCM",
45	.platform_name = "samsung-ac97",
46	.cpu_dai_name = "samsung-ac97",
47	.codec_dai_name = "wm9713-hifi",
48	.codec_name = "wm9713-codec",
49};
50
51static struct snd_soc_card smdk = {
52	.name = "SMDK WM9713",
53	.owner = THIS_MODULE,
54	.dai_link = &smdk_dai,
55	.num_links = 1,
56};
57
58static struct platform_device *smdk_snd_wm9713_device;
59static struct platform_device *smdk_snd_ac97_device;
60
61static int __init smdk_init(void)
62{
63	int ret;
64
65	smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1);
66	if (!smdk_snd_wm9713_device)
67		return -ENOMEM;
68
69	ret = platform_device_add(smdk_snd_wm9713_device);
70	if (ret)
71		goto err1;
72
73	smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
74	if (!smdk_snd_ac97_device) {
75		ret = -ENOMEM;
76		goto err2;
77	}
78
79	platform_set_drvdata(smdk_snd_ac97_device, &smdk);
80
81	ret = platform_device_add(smdk_snd_ac97_device);
82	if (ret)
83		goto err3;
84
85	return 0;
86
87err3:
88	platform_device_put(smdk_snd_ac97_device);
89err2:
90	platform_device_del(smdk_snd_wm9713_device);
91err1:
92	platform_device_put(smdk_snd_wm9713_device);
93	return ret;
94}
95
96static void __exit smdk_exit(void)
97{
98	platform_device_unregister(smdk_snd_ac97_device);
99	platform_device_unregister(smdk_snd_wm9713_device);
100}
101
102module_init(smdk_init);
103module_exit(smdk_exit);
104
105/* Module information */
106MODULE_AUTHOR("Jaswinder Singh Brar, jassisinghbrar@gmail.com");
107MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
108MODULE_LICENSE("GPL");
109