summaryrefslogtreecommitdiffstats
path: root/sound/soc/s3c24xx/s3c24xx_simtec_hermes.c
blob: f88453735ae26e47c98f1c407c789df24227d638 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/* sound/soc/s3c24xx/s3c24xx_simtec_hermes.c
 *
 * Copyright 2009 Simtec Electronics
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/module.h>
#include <linux/clk.h>
#include <linux/platform_device.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include <plat/audio-simtec.h>

#include "s3c-dma.h"
#include "s3c24xx-i2s.h"
#include "s3c24xx_simtec.h"

#include "../codecs/tlv320aic3x.h"

static const struct snd_soc_dapm_widget dapm_widgets[] = {
	SND_SOC_DAPM_LINE("GSM Out", NULL),
	SND_SOC_DAPM_LINE("GSM In", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
	SND_SOC_DAPM_LINE("Line Out", NULL),
	SND_SOC_DAPM_LINE("ZV", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
};

static const struct snd_soc_dapm_route base_map[] = {
	/* Headphone connected to HP{L,R}OUT and HP{L,R}COM */

	{ "Headphone Jack", NULL, "HPLOUT" },
	{ "Headphone Jack", NULL, "HPLCOM" },
	{ "Headphone Jack", NULL, "HPROUT" },
	{ "Headphone Jack", NULL, "HPRCOM" },

	/* ZV connected to Line1 */

	{ "LINE1L", NULL, "ZV" },
	{ "LINE1R", NULL, "ZV" },

	/* Line In connected to Line2 */

	{ "LINE2L", NULL, "Line In" },
	{ "LINE2R", NULL, "Line In" },

	/* Microphone connected to MIC3R and MIC_BIAS */

	{ "MIC3L", NULL, "Mic Jack" },

	/* GSM connected to MONO_LOUT and MIC3L (in) */

	{ "GSM Out", NULL, "MONO_LOUT" },
	{ "MIC3L", NULL, "GSM In" },

	/* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
	 * not using the DAPM to power it up and down as there it makes
	 * a click when powering up. */
};

/**
 * simtec_hermes_init - initialise and add controls
 * @codec; The codec instance to attach to.
 *
 * Attach our controls and configure the necessary codec
 * mappings for our sound card instance.
*/
static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;

	snd_soc_dapm_new_controls(codec, dapm_widgets,
				  ARRAY_SIZE(dapm_widgets));

	snd_soc_dapm_add_routes(codec, base_map, ARRAY_SIZE(base_map));

	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	snd_soc_dapm_enable_pin(codec, "Line In");
	snd_soc_dapm_enable_pin(codec, "Line Out");
	snd_soc_dapm_enable_pin(codec, "Mic Jack");

	simtec_audio_init(rtd);
	snd_soc_dapm_sync(codec);

	return 0;
}

static struct snd_soc_dai_link simtec_dai_aic33 = {
	.name		= "tlv320aic33",
	.stream_name	= "TLV320AIC33",
	.codec_name	= "tlv320aic3x-codec.0-0x1a",
	.cpu_dai_name	= "s3c24xx-i2s",
	.codec_dai_name = "tlv320aic3x-hifi",
	.platform_name	= "s3c24xx-pcm-audio",
	.init		= simtec_hermes_init,
};

/* simtec audio machine driver */
static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
	.name		= "Simtec-Hermes",
	.dai_link	= &simtec_dai_aic33,
	.num_links	= 1,
};

static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
{
	dev_info(&pd->dev, "probing....\n");
	return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
}

static struct platform_driver simtec_audio_hermes_platdrv = {
	.driver	= {
		.owner	= THIS_MODULE,
		.name	= "s3c24xx-simtec-hermes-snd",
		.pm	= simtec_audio_pm,
	},
	.probe	= simtec_audio_hermes_probe,
	.remove	= __devexit_p(simtec_audio_remove),
};

MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");

static int __init simtec_hermes_modinit(void)
{
	return platform_driver_register(&simtec_audio_hermes_platdrv);
}

static void __exit simtec_hermes_modexit(void)
{
	platform_driver_unregister(&simtec_audio_hermes_platdrv);
}

module_init(simtec_hermes_modinit);
module_exit(simtec_hermes_modexit);

MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
MODULE_LICENSE("GPL");
OpenPOWER on IntegriCloud