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 <mach/palmasoc.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
.dai_link = palm27x_dai,
150
.num_links = ARRAY_SIZE(palm27x_dai),
153
static struct platform_device *palm27x_snd_device;
155
static int palm27x_asoc_probe(struct platform_device *pdev)
159
if (!(machine_is_palmtx() || machine_is_palmt5() ||
160
machine_is_palmld() || machine_is_palmte2()))
163
if (!pdev->dev.platform_data) {
164
dev_err(&pdev->dev, "please supply platform_data\n");
168
hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
169
(pdev->dev.platform_data))->jack_gpio;
171
palm27x_snd_device = platform_device_alloc("soc-audio", -1);
172
if (!palm27x_snd_device)
175
platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
176
ret = platform_device_add(palm27x_snd_device);
184
platform_device_put(palm27x_snd_device);
189
static int __devexit palm27x_asoc_remove(struct platform_device *pdev)
191
platform_device_unregister(palm27x_snd_device);
195
static struct platform_driver palm27x_wm9712_driver = {
196
.probe = palm27x_asoc_probe,
197
.remove = __devexit_p(palm27x_asoc_remove),
199
.name = "palm27x-asoc",
200
.owner = THIS_MODULE,
204
static int __init palm27x_asoc_init(void)
206
return platform_driver_register(&palm27x_wm9712_driver);
209
static void __exit palm27x_asoc_exit(void)
211
platform_driver_unregister(&palm27x_wm9712_driver);
214
module_init(palm27x_asoc_init);
215
module_exit(palm27x_asoc_exit);
217
/* Module information */
218
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
219
MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
220
MODULE_LICENSE("GPL");