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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* linux/sound/soc/pxa/palm27x.c
*
* SoC Audio driver for Palm T|X, T5 and LifeDrive
*
* based on tosa.c
*
* Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com>
*
* 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/moduleparam.h>
#include <linux/device.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <asm/mach-types.h>
#include <mach/audio.h>
#include <linux/platform_data/asoc-palm27x.h>
#include "../codecs/wm9712.h"
#include "pxa2xx-ac97.h"
static struct snd_soc_jack hs_jack;
/* Headphones jack detection DAPM pins */
static struct snd_soc_jack_pin hs_jack_pins[] = {
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
/* Headphones jack detection gpios */
static struct snd_soc_jack_gpio hs_jack_gpios[] = {
[0] = {
/* gpio is set on per-platform basis */
.name = "hp-gpio",
.report = SND_JACK_HEADPHONE,
.debounce_time = 200,
},
};
/* Palm27x machine dapm widgets */
static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
};
/* PalmTX audio map */
static const struct snd_soc_dapm_route audio_map[] = {
/* headphone connected to HPOUTL, HPOUTR */
{"Headphone Jack", NULL, "HPOUTL"},
{"Headphone Jack", NULL, "HPOUTR"},
/* ext speaker connected to ROUT2, LOUT2 */
{"Ext. Speaker", NULL, "LOUT2"},
{"Ext. Speaker", NULL, "ROUT2"},
/* mic connected to MIC1 */
{"MIC1", NULL, "Ext. Microphone"},
};
static struct snd_soc_card palm27x_asoc;
static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
int err;
/* Jack detection API stuff */
err = snd_soc_card_jack_new(rtd->card, "Headphone Jack",
SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins,
ARRAY_SIZE(hs_jack_pins));
if (err)
return err;
err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
hs_jack_gpios);
return err;
}
static struct snd_soc_dai_link palm27x_dai[] = {
{
.name = "AC97 HiFi",
.stream_name = "AC97 HiFi",
.cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.codec_name = "wm9712-codec",
.platform_name = "pxa-pcm-audio",
.init = palm27x_ac97_init,
},
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
.cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name = "wm9712-aux",
.codec_name = "wm9712-codec",
.platform_name = "pxa-pcm-audio",
},
};
static struct snd_soc_card palm27x_asoc = {
.name = "Palm/PXA27x",
.owner = THIS_MODULE,
.dai_link = palm27x_dai,
.num_links = ARRAY_SIZE(palm27x_dai),
.dapm_widgets = palm27x_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
.dapm_routes = audio_map,
.num_dapm_routes = ARRAY_SIZE(audio_map),
.fully_routed = true,
};
static int palm27x_asoc_probe(struct platform_device *pdev)
{
int ret;
if (!(machine_is_palmtx() || machine_is_palmt5() ||
machine_is_palmld() || machine_is_palmte2()))
return -ENODEV;
if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "please supply platform_data\n");
return -ENODEV;
}
hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
(pdev->dev.platform_data))->jack_gpio;
palm27x_asoc.dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
return ret;
}
static struct platform_driver palm27x_wm9712_driver = {
.probe = palm27x_asoc_probe,
.driver = {
.name = "palm27x-asoc",
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(palm27x_wm9712_driver);
/* Module information */
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
MODULE_LICENSE("GPL");
|
