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Diffstat (limited to 'sound/soc/samsung/smdk_wm9713.c')
-rw-r--r--sound/soc/samsung/smdk_wm9713.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/sound/soc/samsung/smdk_wm9713.c b/sound/soc/samsung/smdk_wm9713.c
new file mode 100644
index 000000000000..ae5fed6f772f
--- /dev/null
+++ b/sound/soc/samsung/smdk_wm9713.c
@@ -0,0 +1,111 @@
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 <linux/module.h>
15#include <linux/device.h>
16#include <sound/soc.h>
17
18#include "dma.h"
19#include "ac97.h"
20
21static struct snd_soc_card smdk;
22
23/*
24 * Default CFG switch settings to use this driver:
25 *
26 * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off
27 * SMDKC100: Set CFG6 1-3 On, CFG7 1 On
28 * SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On
29 * SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On
30 * SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On
31 */
32
33/*
34 Playback (HeadPhone):-
35 $ amixer sset 'Headphone' unmute
36 $ amixer sset 'Right Headphone Out Mux' 'Headphone'
37 $ amixer sset 'Left Headphone Out Mux' 'Headphone'
38 $ amixer sset 'Right HP Mixer PCM' unmute
39 $ amixer sset 'Left HP Mixer PCM' unmute
40
41 Capture (LineIn):-
42 $ amixer sset 'Right Capture Source' 'Line'
43 $ amixer sset 'Left Capture Source' 'Line'
44*/
45
46static struct snd_soc_dai_link smdk_dai = {
47 .name = "AC97",
48 .stream_name = "AC97 PCM",
49 .platform_name = "samsung-audio",
50 .cpu_dai_name = "samsung-ac97",
51 .codec_dai_name = "wm9713-hifi",
52 .codec_name = "wm9713-codec",
53};
54
55static struct snd_soc_card smdk = {
56 .name = "SMDK WM9713",
57 .dai_link = &smdk_dai,
58 .num_links = 1,
59};
60
61static struct platform_device *smdk_snd_wm9713_device;
62static struct platform_device *smdk_snd_ac97_device;
63
64static int __init smdk_init(void)
65{
66 int ret;
67
68 smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1);
69 if (!smdk_snd_wm9713_device)
70 return -ENOMEM;
71
72 ret = platform_device_add(smdk_snd_wm9713_device);
73 if (ret)
74 goto err1;
75
76 smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
77 if (!smdk_snd_ac97_device) {
78 ret = -ENOMEM;
79 goto err2;
80 }
81
82 platform_set_drvdata(smdk_snd_ac97_device, &smdk);
83
84 ret = platform_device_add(smdk_snd_ac97_device);
85 if (ret)
86 goto err3;
87
88 return 0;
89
90err3:
91 platform_device_put(smdk_snd_ac97_device);
92err2:
93 platform_device_del(smdk_snd_wm9713_device);
94err1:
95 platform_device_put(smdk_snd_wm9713_device);
96 return ret;
97}
98
99static void __exit smdk_exit(void)
100{
101 platform_device_unregister(smdk_snd_ac97_device);
102 platform_device_unregister(smdk_snd_wm9713_device);
103}
104
105module_init(smdk_init);
106module_exit(smdk_exit);
107
108/* Module information */
109MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com");
110MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
111MODULE_LICENSE("GPL");