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
|
/*
* Driver for generic Bluetooth SCO link
* Copyright 2011 Lars-Peter Clausen <lars@metafoo.de>
*
* 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; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/soc.h>
static const struct snd_soc_dapm_widget bt_sco_widgets[] = {
SND_SOC_DAPM_INPUT("RX"),
SND_SOC_DAPM_OUTPUT("TX"),
};
static const struct snd_soc_dapm_route bt_sco_routes[] = {
{ "Capture", NULL, "RX" },
{ "TX", NULL, "Playback" },
};
static struct snd_soc_dai_driver bt_sco_dai[] = {
{
.name = "bt-sco-pcm",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
.name = "bt-sco-pcm-wb",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
}
};
static const struct snd_soc_component_driver soc_component_dev_bt_sco = {
.dapm_widgets = bt_sco_widgets,
.num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets),
.dapm_routes = bt_sco_routes,
.num_dapm_routes = ARRAY_SIZE(bt_sco_routes),
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
.non_legacy_dai_naming = 1,
};
static int bt_sco_probe(struct platform_device *pdev)
{
return devm_snd_soc_register_component(&pdev->dev,
&soc_component_dev_bt_sco,
bt_sco_dai, ARRAY_SIZE(bt_sco_dai));
}
static int bt_sco_remove(struct platform_device *pdev)
{
return 0;
}
static const struct platform_device_id bt_sco_driver_ids[] = {
{
.name = "dfbmcs320",
},
{
.name = "bt-sco",
},
{},
};
MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
#if defined(CONFIG_OF)
static const struct of_device_id bt_sco_codec_of_match[] = {
{ .compatible = "delta,dfbmcs320", },
{ .compatible = "linux,bt-sco", },
{},
};
MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match);
#endif
static struct platform_driver bt_sco_driver = {
.driver = {
.name = "bt-sco",
.of_match_table = of_match_ptr(bt_sco_codec_of_match),
},
.probe = bt_sco_probe,
.remove = bt_sco_remove,
.id_table = bt_sco_driver_ids,
};
module_platform_driver(bt_sco_driver);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver");
MODULE_LICENSE("GPL");
|
