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 	simtec_audio_init(rtd);
56 
57 	return 0;
58 }
59 
60 static struct snd_soc_dai_link simtec_dai_aic23 = {
61 	.name		= "tlv320aic23",
62 	.stream_name	= "TLV320AIC23",
63 	.codec_name	= "tlv320aic3x-codec.0-001a",
64 	.cpu_dai_name	= "s3c24xx-iis",
65 	.codec_dai_name = "tlv320aic3x-hifi",
66 	.platform_name	= "s3c24xx-iis",
67 	.init		= simtec_tlv320aic23_init,
68 };
69 
70 /* simtec audio machine driver */
71 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
72 	.name		= "Simtec",
73 	.owner		= THIS_MODULE,
74 	.dai_link	= &simtec_dai_aic23,
75 	.num_links	= 1,
76 
77 	.dapm_widgets	= dapm_widgets,
78 	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
79 	.dapm_routes	= base_map,
80 	.num_dapm_routes = ARRAY_SIZE(base_map),
81 };
82 
simtec_audio_tlv320aic23_probe(struct platform_device * pd)83 static int simtec_audio_tlv320aic23_probe(struct platform_device *pd)
84 {
85 	return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
86 }
87 
88 static struct platform_driver simtec_audio_tlv320aic23_driver = {
89 	.driver	= {
90 		.name	= "s3c24xx-simtec-tlv320aic23",
91 		.pm	= simtec_audio_pm,
92 	},
93 	.probe	= simtec_audio_tlv320aic23_probe,
94 	.remove	= simtec_audio_remove,
95 };
96 
97 module_platform_driver(simtec_audio_tlv320aic23_driver);
98 
99 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
100 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
101 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
102 MODULE_LICENSE("GPL");
103