2 * linux/sound/soc/pxa/palm27x.c
4 * SoC Audio driver for Palm T|X, T5 and LifeDrive
8 * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/device.h>
19 #include <linux/gpio.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/soc.h>
24 #include <sound/jack.h>
26 #include <asm/mach-types.h>
27 #include <mach/audio.h>
28 #include <linux/platform_data/asoc-palm27x.h>
30 #include "../codecs/wm9712.h"
31 #include "pxa2xx-ac97.h"
33 static struct snd_soc_jack hs_jack
;
35 /* Headphones jack detection DAPM pins */
36 static struct snd_soc_jack_pin hs_jack_pins
[] = {
38 .pin
= "Headphone Jack",
39 .mask
= SND_JACK_HEADPHONE
,
43 /* Headphones jack detection gpios */
44 static struct snd_soc_jack_gpio hs_jack_gpios
[] = {
46 /* gpio is set on per-platform basis */
48 .report
= SND_JACK_HEADPHONE
,
53 /* Palm27x machine dapm widgets */
54 static const struct snd_soc_dapm_widget palm27x_dapm_widgets
[] = {
55 SND_SOC_DAPM_HP("Headphone Jack", NULL
),
56 SND_SOC_DAPM_SPK("Ext. Speaker", NULL
),
57 SND_SOC_DAPM_MIC("Ext. Microphone", NULL
),
60 /* PalmTX audio map */
61 static const struct snd_soc_dapm_route audio_map
[] = {
62 /* headphone connected to HPOUTL, HPOUTR */
63 {"Headphone Jack", NULL
, "HPOUTL"},
64 {"Headphone Jack", NULL
, "HPOUTR"},
66 /* ext speaker connected to ROUT2, LOUT2 */
67 {"Ext. Speaker", NULL
, "LOUT2"},
68 {"Ext. Speaker", NULL
, "ROUT2"},
70 /* mic connected to MIC1 */
71 {"Ext. Microphone", NULL
, "MIC1"},
74 static struct snd_soc_card palm27x_asoc
;
76 static int palm27x_ac97_init(struct snd_soc_pcm_runtime
*rtd
)
78 struct snd_soc_codec
*codec
= rtd
->codec
;
79 struct snd_soc_dapm_context
*dapm
= &codec
->dapm
;
82 /* add palm27x specific widgets */
83 err
= snd_soc_dapm_new_controls(dapm
, palm27x_dapm_widgets
,
84 ARRAY_SIZE(palm27x_dapm_widgets
));
88 /* set up palm27x specific audio path audio_map */
89 err
= snd_soc_dapm_add_routes(dapm
, audio_map
, ARRAY_SIZE(audio_map
));
94 if (machine_is_palmld())
95 snd_soc_dapm_enable_pin(dapm
, "MIC1");
96 snd_soc_dapm_enable_pin(dapm
, "HPOUTL");
97 snd_soc_dapm_enable_pin(dapm
, "HPOUTR");
98 snd_soc_dapm_enable_pin(dapm
, "LOUT2");
99 snd_soc_dapm_enable_pin(dapm
, "ROUT2");
101 /* not connected pins */
102 snd_soc_dapm_nc_pin(dapm
, "OUT3");
103 snd_soc_dapm_nc_pin(dapm
, "MONOOUT");
104 snd_soc_dapm_nc_pin(dapm
, "LINEINL");
105 snd_soc_dapm_nc_pin(dapm
, "LINEINR");
106 snd_soc_dapm_nc_pin(dapm
, "PCBEEP");
107 snd_soc_dapm_nc_pin(dapm
, "PHONE");
108 snd_soc_dapm_nc_pin(dapm
, "MIC2");
110 /* Jack detection API stuff */
111 err
= snd_soc_jack_new(codec
, "Headphone Jack",
112 SND_JACK_HEADPHONE
, &hs_jack
);
116 err
= snd_soc_jack_add_pins(&hs_jack
, ARRAY_SIZE(hs_jack_pins
),
121 err
= snd_soc_jack_add_gpios(&hs_jack
, ARRAY_SIZE(hs_jack_gpios
),
127 static struct snd_soc_dai_link palm27x_dai
[] = {
130 .stream_name
= "AC97 HiFi",
131 .cpu_dai_name
= "pxa2xx-ac97",
132 .codec_dai_name
= "wm9712-hifi",
133 .codec_name
= "wm9712-codec",
134 .platform_name
= "pxa-pcm-audio",
135 .init
= palm27x_ac97_init
,
139 .stream_name
= "AC97 Aux",
140 .cpu_dai_name
= "pxa2xx-ac97-aux",
141 .codec_dai_name
= "wm9712-aux",
142 .codec_name
= "wm9712-codec",
143 .platform_name
= "pxa-pcm-audio",
147 static struct snd_soc_card palm27x_asoc
= {
148 .name
= "Palm/PXA27x",
149 .owner
= THIS_MODULE
,
150 .dai_link
= palm27x_dai
,
151 .num_links
= ARRAY_SIZE(palm27x_dai
),
154 static struct platform_device
*palm27x_snd_device
;
156 static int palm27x_asoc_probe(struct platform_device
*pdev
)
160 if (!(machine_is_palmtx() || machine_is_palmt5() ||
161 machine_is_palmld() || machine_is_palmte2()))
164 if (!pdev
->dev
.platform_data
) {
165 dev_err(&pdev
->dev
, "please supply platform_data\n");
169 hs_jack_gpios
[0].gpio
= ((struct palm27x_asoc_info
*)
170 (pdev
->dev
.platform_data
))->jack_gpio
;
172 palm27x_snd_device
= platform_device_alloc("soc-audio", -1);
173 if (!palm27x_snd_device
)
176 platform_set_drvdata(palm27x_snd_device
, &palm27x_asoc
);
177 ret
= platform_device_add(palm27x_snd_device
);
185 platform_device_put(palm27x_snd_device
);
190 static int __devexit
palm27x_asoc_remove(struct platform_device
*pdev
)
192 platform_device_unregister(palm27x_snd_device
);
196 static struct platform_driver palm27x_wm9712_driver
= {
197 .probe
= palm27x_asoc_probe
,
198 .remove
= __devexit_p(palm27x_asoc_remove
),
200 .name
= "palm27x-asoc",
201 .owner
= THIS_MODULE
,
205 module_platform_driver(palm27x_wm9712_driver
);
207 /* Module information */
208 MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
209 MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
210 MODULE_LICENSE("GPL");