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 <linux/module.h>
11 #include <sound/soc.h>
12 
13 #include "s3c24xx_simtec.h"
14 
15 /* supported machines:
16  *
17  * Machine	Connections		AMP
18  * -------	-----------		---
19  * BAST		MIC, HPOUT, LOUT, LIN	TPA2001D1 (HPOUTL,R) (gain hardwired)
20  * VR1000	HPOUT, LIN		None
21  * VR2000	LIN, LOUT, MIC, HP	LM4871 (HPOUTL,R)
22  * DePicture	LIN, LOUT, MIC, HP	LM4871 (HPOUTL,R)
23  * Anubis	LIN, LOUT, MIC, HP	TPA2001D1 (HPOUTL,R)
24  */
25 
26 static const struct snd_soc_dapm_widget dapm_widgets[] = {
27 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
28 	SND_SOC_DAPM_LINE("Line In", NULL),
29 	SND_SOC_DAPM_LINE("Line Out", NULL),
30 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
31 };
32 
33 static const struct snd_soc_dapm_route base_map[] = {
34 	{ "Headphone Jack", NULL, "LHPOUT"},
35 	{ "Headphone Jack", NULL, "RHPOUT"},
36 
37 	{ "Line Out", NULL, "LOUT" },
38 	{ "Line Out", NULL, "ROUT" },
39 
40 	{ "LLINEIN", NULL, "Line In"},
41 	{ "RLINEIN", NULL, "Line In"},
42 
43 	{ "MICIN", NULL, "Mic Jack"},
44 };
45 
46 /**
47  * simtec_tlv320aic23_init - initialise and add controls
48  * @codec; The codec instance to attach to.
49  *
50  * Attach our controls and configure the necessary codec
51  * mappings for our sound card instance.
52 */
simtec_tlv320aic23_init(struct snd_soc_pcm_runtime * rtd)53 static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
54 {
55 	struct snd_soc_codec *codec = rtd->codec;
56 	struct snd_soc_dapm_context *dapm = &codec->dapm;
57 
58 	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
59 	snd_soc_dapm_enable_pin(dapm, "Line In");
60 	snd_soc_dapm_enable_pin(dapm, "Line Out");
61 	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
62 
63 	simtec_audio_init(rtd);
64 
65 	return 0;
66 }
67 
68 static struct snd_soc_dai_link simtec_dai_aic23 = {
69 	.name		= "tlv320aic23",
70 	.stream_name	= "TLV320AIC23",
71 	.codec_name	= "tlv320aic3x-codec.0-001a",
72 	.cpu_dai_name	= "s3c24xx-iis",
73 	.codec_dai_name = "tlv320aic3x-hifi",
74 	.platform_name	= "samsung-audio",
75 	.init		= simtec_tlv320aic23_init,
76 };
77 
78 /* simtec audio machine driver */
79 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
80 	.name		= "Simtec",
81 	.owner		= THIS_MODULE,
82 	.dai_link	= &simtec_dai_aic23,
83 	.num_links	= 1,
84 
85 	.dapm_widgets	= dapm_widgets,
86 	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
87 	.dapm_routes	= base_map,
88 	.num_dapm_routes = ARRAY_SIZE(base_map),
89 };
90 
simtec_audio_tlv320aic23_probe(struct platform_device * pd)91 static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
92 {
93 	return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
94 }
95 
96 static struct platform_driver simtec_audio_tlv320aic23_driver = {
97 	.driver	= {
98 		.owner	= THIS_MODULE,
99 		.name	= "s3c24xx-simtec-tlv320aic23",
100 		.pm	= simtec_audio_pm,
101 	},
102 	.probe	= simtec_audio_tlv320aic23_probe,
103 	.remove	= __devexit_p(simtec_audio_remove),
104 };
105 
106 module_platform_driver(simtec_audio_tlv320aic23_driver);
107 
108 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
109 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
110 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
111 MODULE_LICENSE("GPL");
112