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 <sound/soc.h>
11
12#include "s3c24xx_simtec.h"
13
14static const struct snd_soc_dapm_widget dapm_widgets[] = {
15	SND_SOC_DAPM_LINE("GSM Out", NULL),
16	SND_SOC_DAPM_LINE("GSM In", NULL),
17	SND_SOC_DAPM_LINE("Line In", NULL),
18	SND_SOC_DAPM_LINE("Line Out", NULL),
19	SND_SOC_DAPM_LINE("ZV", NULL),
20	SND_SOC_DAPM_MIC("Mic Jack", NULL),
21	SND_SOC_DAPM_HP("Headphone Jack", NULL),
22};
23
24static const struct snd_soc_dapm_route base_map[] = {
25	/* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
26
27	{ "Headphone Jack", NULL, "HPLOUT" },
28	{ "Headphone Jack", NULL, "HPLCOM" },
29	{ "Headphone Jack", NULL, "HPROUT" },
30	{ "Headphone Jack", NULL, "HPRCOM" },
31
32	/* ZV connected to Line1 */
33
34	{ "LINE1L", NULL, "ZV" },
35	{ "LINE1R", NULL, "ZV" },
36
37	/* Line In connected to Line2 */
38
39	{ "LINE2L", NULL, "Line In" },
40	{ "LINE2R", NULL, "Line In" },
41
42	/* Microphone connected to MIC3R and MIC_BIAS */
43
44	{ "MIC3L", NULL, "Mic Jack" },
45
46	/* GSM connected to MONO_LOUT and MIC3L (in) */
47
48	{ "GSM Out", NULL, "MONO_LOUT" },
49	{ "MIC3L", NULL, "GSM In" },
50
51	/* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
52	 * not using the DAPM to power it up and down as there it makes
53	 * a click when powering up. */
54};
55
56/**
57 * simtec_hermes_init - initialise and add controls
58 * @codec; The codec instance to attach to.
59 *
60 * Attach our controls and configure the necessary codec
61 * mappings for our sound card instance.
62*/
63static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
64{
65	struct snd_soc_codec *codec = rtd->codec;
66	struct snd_soc_dapm_context *dapm = &codec->dapm;
67
68	snd_soc_dapm_new_controls(dapm, dapm_widgets,
69				  ARRAY_SIZE(dapm_widgets));
70
71	snd_soc_dapm_add_routes(dapm, base_map, ARRAY_SIZE(base_map));
72
73	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
74	snd_soc_dapm_enable_pin(dapm, "Line In");
75	snd_soc_dapm_enable_pin(dapm, "Line Out");
76	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
77
78	simtec_audio_init(rtd);
79	snd_soc_dapm_sync(dapm);
80
81	return 0;
82}
83
84static struct snd_soc_dai_link simtec_dai_aic33 = {
85	.name		= "tlv320aic33",
86	.stream_name	= "TLV320AIC33",
87	.codec_name	= "tlv320aic3x-codec.0-001a",
88	.cpu_dai_name	= "s3c24xx-iis",
89	.codec_dai_name = "tlv320aic3x-hifi",
90	.platform_name	= "samsung-audio",
91	.init		= simtec_hermes_init,
92};
93
94/* simtec audio machine driver */
95static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
96	.name		= "Simtec-Hermes",
97	.dai_link	= &simtec_dai_aic33,
98	.num_links	= 1,
99};
100
101static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
102{
103	dev_info(&pd->dev, "probing....\n");
104	return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
105}
106
107static struct platform_driver simtec_audio_hermes_platdrv = {
108	.driver	= {
109		.owner	= THIS_MODULE,
110		.name	= "s3c24xx-simtec-hermes-snd",
111		.pm	= simtec_audio_pm,
112	},
113	.probe	= simtec_audio_hermes_probe,
114	.remove	= __devexit_p(simtec_audio_remove),
115};
116
117MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
118
119static int __init simtec_hermes_modinit(void)
120{
121	return platform_driver_register(&simtec_audio_hermes_platdrv);
122}
123
124static void __exit simtec_hermes_modexit(void)
125{
126	platform_driver_unregister(&simtec_audio_hermes_platdrv);
127}
128
129module_init(simtec_hermes_modinit);
130module_exit(simtec_hermes_modexit);
131
132MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
133MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
134MODULE_LICENSE("GPL");
135