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