1 /* sound/soc/samsung/s3c24xx_simtec_hermes.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 static const struct snd_soc_dapm_widget dapm_widgets[] = {
16 	SND_SOC_DAPM_LINE("GSM Out", NULL),
17 	SND_SOC_DAPM_LINE("GSM In", NULL),
18 	SND_SOC_DAPM_LINE("Line In", NULL),
19 	SND_SOC_DAPM_LINE("Line Out", NULL),
20 	SND_SOC_DAPM_LINE("ZV", NULL),
21 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
22 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
23 };
24 
25 static const struct snd_soc_dapm_route base_map[] = {
26 	/* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
27 
28 	{ "Headphone Jack", NULL, "HPLOUT" },
29 	{ "Headphone Jack", NULL, "HPLCOM" },
30 	{ "Headphone Jack", NULL, "HPROUT" },
31 	{ "Headphone Jack", NULL, "HPRCOM" },
32 
33 	/* ZV connected to Line1 */
34 
35 	{ "LINE1L", NULL, "ZV" },
36 	{ "LINE1R", NULL, "ZV" },
37 
38 	/* Line In connected to Line2 */
39 
40 	{ "LINE2L", NULL, "Line In" },
41 	{ "LINE2R", NULL, "Line In" },
42 
43 	/* Microphone connected to MIC3R and MIC_BIAS */
44 
45 	{ "MIC3L", NULL, "Mic Jack" },
46 
47 	/* GSM connected to MONO_LOUT and MIC3L (in) */
48 
49 	{ "GSM Out", NULL, "MONO_LOUT" },
50 	{ "MIC3L", NULL, "GSM In" },
51 
52 	/* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
53 	 * not using the DAPM to power it up and down as there it makes
54 	 * a click when powering up. */
55 };
56 
57 /**
58  * simtec_hermes_init - initialise and add controls
59  * @codec; The codec instance to attach to.
60  *
61  * Attach our controls and configure the necessary codec
62  * mappings for our sound card instance.
63 */
simtec_hermes_init(struct snd_soc_pcm_runtime * rtd)64 static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
65 {
66 	simtec_audio_init(rtd);
67 
68 	return 0;
69 }
70 
71 static struct snd_soc_dai_link simtec_dai_aic33 = {
72 	.name		= "tlv320aic33",
73 	.stream_name	= "TLV320AIC33",
74 	.codec_name	= "tlv320aic3x-codec.0-001a",
75 	.cpu_dai_name	= "s3c24xx-iis",
76 	.codec_dai_name = "tlv320aic3x-hifi",
77 	.platform_name	= "s3c24xx-iis",
78 	.init		= simtec_hermes_init,
79 };
80 
81 /* simtec audio machine driver */
82 static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
83 	.name		= "Simtec-Hermes",
84 	.owner		= THIS_MODULE,
85 	.dai_link	= &simtec_dai_aic33,
86 	.num_links	= 1,
87 
88 	.dapm_widgets	= dapm_widgets,
89 	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
90 	.dapm_routes	= base_map,
91 	.num_dapm_routes = ARRAY_SIZE(base_map),
92 };
93 
simtec_audio_hermes_probe(struct platform_device * pd)94 static int simtec_audio_hermes_probe(struct platform_device *pd)
95 {
96 	dev_info(&pd->dev, "probing....\n");
97 	return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
98 }
99 
100 static struct platform_driver simtec_audio_hermes_platdrv = {
101 	.driver	= {
102 		.name	= "s3c24xx-simtec-hermes-snd",
103 		.pm	= simtec_audio_pm,
104 	},
105 	.probe	= simtec_audio_hermes_probe,
106 	.remove	= simtec_audio_remove,
107 };
108 
109 module_platform_driver(simtec_audio_hermes_platdrv);
110 
111 MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
112 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
113 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
114 MODULE_LICENSE("GPL");
115