/sound/soc/s3c24xx/s3c24xx_simtec_hermes.c

  1/* sound/soc/s3c24xx/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 <linux/clk.h>
 12#include <linux/platform_device.h>
 13
 14#include <sound/core.h>
 15#include <sound/pcm.h>
 16#include <sound/soc.h>
 17#include <sound/soc-dapm.h>
 18
 19#include <plat/audio-simtec.h>
 20
 21#include "s3c-dma.h"
 22#include "s3c24xx-i2s.h"
 23#include "s3c24xx_simtec.h"
 24
 25#include "../codecs/tlv320aic3x.h"
 26
 27static const struct snd_soc_dapm_widget dapm_widgets[] = {
 28	SND_SOC_DAPM_LINE("GSM Out", NULL),
 29	SND_SOC_DAPM_LINE("GSM In", NULL),
 30	SND_SOC_DAPM_LINE("Line In", NULL),
 31	SND_SOC_DAPM_LINE("Line Out", NULL),
 32	SND_SOC_DAPM_LINE("ZV", NULL),
 33	SND_SOC_DAPM_MIC("Mic Jack", NULL),
 34	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 35};
 36
 37static const struct snd_soc_dapm_route base_map[] = {
 38	/* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
 39
 40	{ "Headphone Jack", NULL, "HPLOUT" },
 41	{ "Headphone Jack", NULL, "HPLCOM" },
 42	{ "Headphone Jack", NULL, "HPROUT" },
 43	{ "Headphone Jack", NULL, "HPRCOM" },
 44
 45	/* ZV connected to Line1 */
 46
 47	{ "LINE1L", NULL, "ZV" },
 48	{ "LINE1R", NULL, "ZV" },
 49
 50	/* Line In connected to Line2 */
 51
 52	{ "LINE2L", NULL, "Line In" },
 53	{ "LINE2R", NULL, "Line In" },
 54
 55	/* Microphone connected to MIC3R and MIC_BIAS */
 56
 57	{ "MIC3L", NULL, "Mic Jack" },
 58
 59	/* GSM connected to MONO_LOUT and MIC3L (in) */
 60
 61	{ "GSM Out", NULL, "MONO_LOUT" },
 62	{ "MIC3L", NULL, "GSM In" },
 63
 64	/* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
 65	 * not using the DAPM to power it up and down as there it makes
 66	 * a click when powering up. */
 67};
 68
 69/**
 70 * simtec_hermes_init - initialise and add controls
 71 * @codec; The codec instance to attach to.
 72 *
 73 * Attach our controls and configure the necessary codec
 74 * mappings for our sound card instance.
 75*/
 76static int simtec_hermes_init(struct snd_soc_codec *codec)
 77{
 78	snd_soc_dapm_new_controls(codec, dapm_widgets,
 79				  ARRAY_SIZE(dapm_widgets));
 80
 81	snd_soc_dapm_add_routes(codec, base_map, ARRAY_SIZE(base_map));
 82
 83	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
 84	snd_soc_dapm_enable_pin(codec, "Line In");
 85	snd_soc_dapm_enable_pin(codec, "Line Out");
 86	snd_soc_dapm_enable_pin(codec, "Mic Jack");
 87
 88	simtec_audio_init(codec);
 89	snd_soc_dapm_sync(codec);
 90
 91	return 0;
 92}
 93
 94static struct aic3x_setup_data codec_setup = {
 95};
 96
 97static struct snd_soc_dai_link simtec_dai_aic33 = {
 98	.name		= "tlv320aic33",
 99	.stream_name	= "TLV320AIC33",
100	.cpu_dai	= &s3c24xx_i2s_dai,
101	.codec_dai	= &aic3x_dai,
102	.init		= simtec_hermes_init,
103};
104
105/* simtec audio machine driver */
106static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
107	.name		= "Simtec-Hermes",
108	.platform	= &s3c24xx_soc_platform,
109	.dai_link	= &simtec_dai_aic33,
110	.num_links	= 1,
111};
112
113/* simtec audio subsystem */
114static struct snd_soc_device simtec_snd_devdata_aic33 = {
115	.card		= &snd_soc_machine_simtec_aic33,
116	.codec_dev	= &soc_codec_dev_aic3x,
117	.codec_data	= &codec_setup,
118};
119
120static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
121{
122	dev_info(&pd->dev, "probing....\n");
123	return simtec_audio_core_probe(pd, &simtec_snd_devdata_aic33);
124}
125
126static struct platform_driver simtec_audio_hermes_platdrv = {
127	.driver	= {
128		.owner	= THIS_MODULE,
129		.name	= "s3c24xx-simtec-hermes-snd",
130		.pm	= simtec_audio_pm,
131	},
132	.probe	= simtec_audio_hermes_probe,
133	.remove	= __devexit_p(simtec_audio_remove),
134};
135
136MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
137
138static int __init simtec_hermes_modinit(void)
139{
140	return platform_driver_register(&simtec_audio_hermes_platdrv);
141}
142
143static void __exit simtec_hermes_modexit(void)
144{
145	platform_driver_unregister(&simtec_audio_hermes_platdrv);
146}
147
148module_init(simtec_hermes_modinit);
149module_exit(simtec_hermes_modexit);
150
151MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
152MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
153MODULE_LICENSE("GPL");