ASoC: samsung: WM8994 depends on MFD_WM8994
[linux-2.6.git] / sound / soc / samsung / s3c24xx_simtec_tlv320aic23.c
1 /* sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c
2  *
3  * Copyright 2009 Simtec Electronics
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8 */
9
10 #include <sound/soc.h>
11
12 #include "s3c24xx_simtec.h"
13
14 /* supported machines:
15  *
16  * Machine      Connections             AMP
17  * -------      -----------             ---
18  * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
19  * VR1000       HPOUT, LIN              None
20  * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
21  * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
22  * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
23  */
24
25 static const struct snd_soc_dapm_widget dapm_widgets[] = {
26         SND_SOC_DAPM_HP("Headphone Jack", NULL),
27         SND_SOC_DAPM_LINE("Line In", NULL),
28         SND_SOC_DAPM_LINE("Line Out", NULL),
29         SND_SOC_DAPM_MIC("Mic Jack", NULL),
30 };
31
32 static const struct snd_soc_dapm_route base_map[] = {
33         { "Headphone Jack", NULL, "LHPOUT"},
34         { "Headphone Jack", NULL, "RHPOUT"},
35
36         { "Line Out", NULL, "LOUT" },
37         { "Line Out", NULL, "ROUT" },
38
39         { "LLINEIN", NULL, "Line In"},
40         { "RLINEIN", NULL, "Line In"},
41
42         { "MICIN", NULL, "Mic Jack"},
43 };
44
45 /**
46  * simtec_tlv320aic23_init - initialise and add controls
47  * @codec; The codec instance to attach to.
48  *
49  * Attach our controls and configure the necessary codec
50  * mappings for our sound card instance.
51 */
52 static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
53 {
54         struct snd_soc_codec *codec = rtd->codec;
55         struct snd_soc_dapm_context *dapm = &codec->dapm;
56
57         snd_soc_dapm_new_controls(dapm, dapm_widgets,
58                                   ARRAY_SIZE(dapm_widgets));
59
60         snd_soc_dapm_add_routes(dapm, base_map, ARRAY_SIZE(base_map));
61
62         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
63         snd_soc_dapm_enable_pin(dapm, "Line In");
64         snd_soc_dapm_enable_pin(dapm, "Line Out");
65         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
66
67         simtec_audio_init(rtd);
68         snd_soc_dapm_sync(dapm);
69
70         return 0;
71 }
72
73 static struct snd_soc_dai_link simtec_dai_aic23 = {
74         .name           = "tlv320aic23",
75         .stream_name    = "TLV320AIC23",
76         .codec_name     = "tlv320aic3x-codec.0-001a",
77         .cpu_dai_name   = "s3c24xx-iis",
78         .codec_dai_name = "tlv320aic3x-hifi",
79         .platform_name  = "samsung-audio",
80         .init           = simtec_tlv320aic23_init,
81 };
82
83 /* simtec audio machine driver */
84 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
85         .name           = "Simtec",
86         .dai_link       = &simtec_dai_aic23,
87         .num_links      = 1,
88 };
89
90 static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
91 {
92         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
93 }
94
95 static struct platform_driver simtec_audio_tlv320aic23_platdrv = {
96         .driver = {
97                 .owner  = THIS_MODULE,
98                 .name   = "s3c24xx-simtec-tlv320aic23",
99                 .pm     = simtec_audio_pm,
100         },
101         .probe  = simtec_audio_tlv320aic23_probe,
102         .remove = __devexit_p(simtec_audio_remove),
103 };
104
105 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
106
107 static int __init simtec_tlv320aic23_modinit(void)
108 {
109         return platform_driver_register(&simtec_audio_tlv320aic23_platdrv);
110 }
111
112 static void __exit simtec_tlv320aic23_modexit(void)
113 {
114         platform_driver_unregister(&simtec_audio_tlv320aic23_platdrv);
115 }
116
117 module_init(simtec_tlv320aic23_modinit);
118 module_exit(simtec_tlv320aic23_modexit);
119
120 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
121 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
122 MODULE_LICENSE("GPL");