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
|
/*
* e800-wm9712.c -- SoC audio for e800
*
* Copyright 2007 (c) Ian Molton <spyro@f2s.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; version 2 ONLY.
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
#include <mach/audio.h>
#include <mach/eseries-gpio.h>
#include "pxa2xx-ac97.h"
static int e800_spk_amp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
if (event & SND_SOC_DAPM_PRE_PMU)
gpio_set_value(GPIO_E800_SPK_AMP_ON, 1);
else if (event & SND_SOC_DAPM_POST_PMD)
gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);
return 0;
}
static int e800_hp_amp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
if (event & SND_SOC_DAPM_PRE_PMU)
gpio_set_value(GPIO_E800_HP_AMP_OFF, 0);
else if (event & SND_SOC_DAPM_POST_PMD)
gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);
return 0;
}
static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"Headphone Jack", NULL, "HPOUTL"},
{"Headphone Jack", NULL, "HPOUTR"},
{"Headphone Jack", NULL, "Headphone Amp"},
{"Speaker Amp", NULL, "MONOOUT"},
{"Speaker", NULL, "Speaker Amp"},
{"MIC1", NULL, "Mic (Internal1)"},
{"MIC2", NULL, "Mic (Internal2)"},
};
static struct snd_soc_dai_link e800_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
.cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
},
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
.cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9712-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
},
};
static struct snd_soc_card e800 = {
.name = "Toshiba e800",
.owner = THIS_MODULE,
.dai_link = e800_dai,
.num_links = ARRAY_SIZE(e800_dai),
.dapm_widgets = e800_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(e800_dapm_widgets),
.dapm_routes = audio_map,
.num_dapm_routes = ARRAY_SIZE(audio_map),
};
static struct gpio e800_audio_gpios[] = {
{ GPIO_E800_SPK_AMP_ON, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
{ GPIO_E800_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
};
static int e800_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &e800;
int ret;
ret = gpio_request_array(e800_audio_gpios,
ARRAY_SIZE(e800_audio_gpios));
if (ret)
return ret;
card->dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
ret);
gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
}
return ret;
}
static int e800_remove(struct platform_device *pdev)
{
gpio_free_array(e800_audio_gpios, ARRAY_SIZE(e800_audio_gpios));
return 0;
}
static struct platform_driver e800_driver = {
.driver = {
.name = "e800-audio",
.pm = &snd_soc_pm_ops,
},
.probe = e800_probe,
.remove = e800_remove,
};
module_platform_driver(e800_driver);
/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e800");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:e800-audio");
|
