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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
* e750-wm9705.c -- SoC audio for e750
*
* 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 <mach/audio.h>
#include <mach/eseries-gpio.h>
#include <asm/mach-types.h>
#include "../codecs/wm9705.h"
#include "pxa2xx-ac97.h"
static int e750_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_E750_SPK_AMP_OFF, 0);
else if (event & SND_SOC_DAPM_POST_PMD)
gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
return 0;
}
static int e750_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_E750_HP_AMP_OFF, 0);
else if (event & SND_SOC_DAPM_POST_PMD)
gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
return 0;
}
static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
e750_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,
e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"Headphone Amp", NULL, "HPOUTL"},
{"Headphone Amp", NULL, "HPOUTR"},
{"Headphone Jack", NULL, "Headphone Amp"},
{"Speaker Amp", NULL, "MONOOUT"},
{"Speaker", NULL, "Speaker Amp"},
{"MIC1", NULL, "Mic (Internal)"},
};
static int e750_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
snd_soc_dapm_nc_pin(dapm, "LOUT");
snd_soc_dapm_nc_pin(dapm, "ROUT");
snd_soc_dapm_nc_pin(dapm, "PHONE");
snd_soc_dapm_nc_pin(dapm, "LINEINL");
snd_soc_dapm_nc_pin(dapm, "LINEINR");
snd_soc_dapm_nc_pin(dapm, "CDINL");
snd_soc_dapm_nc_pin(dapm, "CDINR");
snd_soc_dapm_nc_pin(dapm, "PCBEEP");
snd_soc_dapm_nc_pin(dapm, "MIC2");
snd_soc_dapm_new_controls(dapm, e750_dapm_widgets,
ARRAY_SIZE(e750_dapm_widgets));
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
return 0;
}
static struct snd_soc_dai_link e750_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
.cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9705-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9705-codec",
.init = e750_ac97_init,
/* use ops to check startup state */
},
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
.cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9705-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9705-codec",
},
};
static struct snd_soc_card e750 = {
.name = "Toshiba e750",
.dai_link = e750_dai,
.num_links = ARRAY_SIZE(e750_dai),
};
static struct platform_device *e750_snd_device;
static int __init e750_init(void)
{
int ret;
if (!machine_is_e750())
return -ENODEV;
ret = gpio_request(GPIO_E750_HP_AMP_OFF, "Headphone amp");
if (ret)
return ret;
ret = gpio_request(GPIO_E750_SPK_AMP_OFF, "Speaker amp");
if (ret)
goto free_hp_amp_gpio;
ret = gpio_direction_output(GPIO_E750_HP_AMP_OFF, 1);
if (ret)
goto free_spk_amp_gpio;
ret = gpio_direction_output(GPIO_E750_SPK_AMP_OFF, 1);
if (ret)
goto free_spk_amp_gpio;
e750_snd_device = platform_device_alloc("soc-audio", -1);
if (!e750_snd_device) {
ret = -ENOMEM;
goto free_spk_amp_gpio;
}
platform_set_drvdata(e750_snd_device, &e750);
ret = platform_device_add(e750_snd_device);
if (!ret)
return 0;
/* Fail gracefully */
platform_device_put(e750_snd_device);
free_spk_amp_gpio:
gpio_free(GPIO_E750_SPK_AMP_OFF);
free_hp_amp_gpio:
gpio_free(GPIO_E750_HP_AMP_OFF);
return ret;
}
static void __exit e750_exit(void)
{
platform_device_unregister(e750_snd_device);
gpio_free(GPIO_E750_SPK_AMP_OFF);
gpio_free(GPIO_E750_HP_AMP_OFF);
}
module_init(e750_init);
module_exit(e750_exit);
/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e750");
MODULE_LICENSE("GPL v2");
|
