ASoC: Decouple DAPM from CODECs
[linux-2.6.git] / sound / soc / s3c24xx / s3c24xx_simtec_tlv320aic23.c
1 /* sound/soc/s3c24xx/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 <linux/module.h>
11 #include <linux/clk.h>
12 #include <linux/platform_device.h>
13
14 #include <sound/core.h>
15 #include <sound/pcm.h>
16 #include <sound/soc.h>
17 #include <sound/soc-dapm.h>
18
19 #include <plat/audio-simtec.h>
20
21 #include "s3c-dma.h"
22 #include "s3c24xx-i2s.h"
23 #include "s3c24xx_simtec.h"
24
25 #include "../codecs/tlv320aic23.h"
26
27 /* supported machines:
28  *
29  * Machine      Connections             AMP
30  * -------      -----------             ---
31  * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
32  * VR1000       HPOUT, LIN              None
33  * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
34  * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
35  * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
36  */
37
38 static const struct snd_soc_dapm_widget dapm_widgets[] = {
39         SND_SOC_DAPM_HP("Headphone Jack", NULL),
40         SND_SOC_DAPM_LINE("Line In", NULL),
41         SND_SOC_DAPM_LINE("Line Out", NULL),
42         SND_SOC_DAPM_MIC("Mic Jack", NULL),
43 };
44
45 static const struct snd_soc_dapm_route base_map[] = {
46         { "Headphone Jack", NULL, "LHPOUT"},
47         { "Headphone Jack", NULL, "RHPOUT"},
48
49         { "Line Out", NULL, "LOUT" },
50         { "Line Out", NULL, "ROUT" },
51
52         { "LLINEIN", NULL, "Line In"},
53         { "RLINEIN", NULL, "Line In"},
54
55         { "MICIN", NULL, "Mic Jack"},
56 };
57
58 /**
59  * simtec_tlv320aic23_init - initialise and add controls
60  * @codec; The codec instance to attach to.
61  *
62  * Attach our controls and configure the necessary codec
63  * mappings for our sound card instance.
64 */
65 static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
66 {
67         struct snd_soc_codec *codec = rtd->codec;
68         struct snd_soc_dapm_context *dapm = &codec->dapm;
69
70         snd_soc_dapm_new_controls(dapm, dapm_widgets,
71                                   ARRAY_SIZE(dapm_widgets));
72
73         snd_soc_dapm_add_routes(dapm, base_map, ARRAY_SIZE(base_map));
74
75         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
76         snd_soc_dapm_enable_pin(dapm, "Line In");
77         snd_soc_dapm_enable_pin(dapm, "Line Out");
78         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
79
80         simtec_audio_init(rtd);
81         snd_soc_dapm_sync(dapm);
82
83         return 0;
84 }
85
86 static struct snd_soc_dai_link simtec_dai_aic23 = {
87         .name           = "tlv320aic23",
88         .stream_name    = "TLV320AIC23",
89         .codec_name     = "tlv320aic3x-codec.0-0x1a",
90         .cpu_dai_name   = "s3c24xx-i2s",
91         .codec_dai_name = "tlv320aic3x-hifi",
92         .platform_name  = "s3c24xx-pcm-audio",
93         .init           = simtec_tlv320aic23_init,
94 };
95
96 /* simtec audio machine driver */
97 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
98         .name           = "Simtec",
99         .dai_link       = &simtec_dai_aic23,
100         .num_links      = 1,
101 };
102
103 static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
104 {
105         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
106 }
107
108 static struct platform_driver simtec_audio_tlv320aic23_platdrv = {
109         .driver = {
110                 .owner  = THIS_MODULE,
111                 .name   = "s3c24xx-simtec-tlv320aic23",
112                 .pm     = simtec_audio_pm,
113         },
114         .probe  = simtec_audio_tlv320aic23_probe,
115         .remove = __devexit_p(simtec_audio_remove),
116 };
117
118 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
119
120 static int __init simtec_tlv320aic23_modinit(void)
121 {
122         return platform_driver_register(&simtec_audio_tlv320aic23_platdrv);
123 }
124
125 static void __exit simtec_tlv320aic23_modexit(void)
126 {
127         platform_driver_unregister(&simtec_audio_tlv320aic23_platdrv);
128 }
129
130 module_init(simtec_tlv320aic23_modinit);
131 module_exit(simtec_tlv320aic23_modexit);
132
133 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
134 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
135 MODULE_LICENSE("GPL");