1 /* sound/soc/s3c24xx/s3c24xx_simtec_hermes.c
3 * Copyright 2009 Simtec Electronics
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.
10 #include <linux/module.h>
11 #include <linux/clk.h>
12 #include <linux/platform_device.h>
14 #include <sound/core.h>
15 #include <sound/pcm.h>
16 #include <sound/soc.h>
17 #include <sound/soc-dapm.h>
19 #include <plat/audio-simtec.h>
22 #include "s3c24xx-i2s.h"
23 #include "s3c24xx_simtec.h"
25 #include "../codecs/tlv320aic3x.h"
27 static 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
),
37 static const struct snd_soc_dapm_route base_map
[] = {
38 /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
40 { "Headphone Jack", NULL
, "HPLOUT" },
41 { "Headphone Jack", NULL
, "HPLCOM" },
42 { "Headphone Jack", NULL
, "HPROUT" },
43 { "Headphone Jack", NULL
, "HPRCOM" },
45 /* ZV connected to Line1 */
47 { "LINE1L", NULL
, "ZV" },
48 { "LINE1R", NULL
, "ZV" },
50 /* Line In connected to Line2 */
52 { "LINE2L", NULL
, "Line In" },
53 { "LINE2R", NULL
, "Line In" },
55 /* Microphone connected to MIC3R and MIC_BIAS */
57 { "MIC3L", NULL
, "Mic Jack" },
59 /* GSM connected to MONO_LOUT and MIC3L (in) */
61 { "GSM Out", NULL
, "MONO_LOUT" },
62 { "MIC3L", NULL
, "GSM In" },
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. */
70 * simtec_hermes_init - initialise and add controls
71 * @codec; The codec instance to attach to.
73 * Attach our controls and configure the necessary codec
74 * mappings for our sound card instance.
76 static int simtec_hermes_init(struct snd_soc_pcm_runtime
*rtd
)
78 struct snd_soc_codec
*codec
= rtd
->codec
;
79 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
81 snd_soc_dapm_new_controls(dapm
, dapm_widgets
,
82 ARRAY_SIZE(dapm_widgets
));
84 snd_soc_dapm_add_routes(dapm
, base_map
, ARRAY_SIZE(base_map
));
86 snd_soc_dapm_enable_pin(dapm
, "Headphone Jack");
87 snd_soc_dapm_enable_pin(dapm
, "Line In");
88 snd_soc_dapm_enable_pin(dapm
, "Line Out");
89 snd_soc_dapm_enable_pin(dapm
, "Mic Jack");
91 simtec_audio_init(rtd
);
92 snd_soc_dapm_sync(dapm
);
97 static struct snd_soc_dai_link simtec_dai_aic33
= {
98 .name
= "tlv320aic33",
99 .stream_name
= "TLV320AIC33",
100 .codec_name
= "tlv320aic3x-codec.0-0x1a",
101 .cpu_dai_name
= "s3c24xx-i2s",
102 .codec_dai_name
= "tlv320aic3x-hifi",
103 .platform_name
= "s3c24xx-pcm-audio",
104 .init
= simtec_hermes_init
,
107 /* simtec audio machine driver */
108 static struct snd_soc_card snd_soc_machine_simtec_aic33
= {
109 .name
= "Simtec-Hermes",
110 .dai_link
= &simtec_dai_aic33
,
114 static int __devinit
simtec_audio_hermes_probe(struct platform_device
*pd
)
116 dev_info(&pd
->dev
, "probing....\n");
117 return simtec_audio_core_probe(pd
, &snd_soc_machine_simtec_aic33
);
120 static struct platform_driver simtec_audio_hermes_platdrv
= {
122 .owner
= THIS_MODULE
,
123 .name
= "s3c24xx-simtec-hermes-snd",
124 .pm
= simtec_audio_pm
,
126 .probe
= simtec_audio_hermes_probe
,
127 .remove
= __devexit_p(simtec_audio_remove
),
130 MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
132 static int __init
simtec_hermes_modinit(void)
134 return platform_driver_register(&simtec_audio_hermes_platdrv
);
137 static void __exit
simtec_hermes_modexit(void)
139 platform_driver_unregister(&simtec_audio_hermes_platdrv
);
142 module_init(simtec_hermes_modinit
);
143 module_exit(simtec_hermes_modexit
);
145 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
146 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
147 MODULE_LICENSE("GPL");