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Barry Song200ceb92013-05-18 20:25:00 +08001/*
2 * Driver for generic Bluetooth SCO link
3 * Copyright 2011 Lars-Peter Clausen <lars@metafoo.de>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 *
10 */
11
12#include <linux/init.h>
13#include <linux/module.h>
14#include <linux/platform_device.h>
15
16#include <sound/soc.h>
17
Mark Brown5195ca42013-08-19 12:16:19 +010018static const struct snd_soc_dapm_widget bt_sco_widgets[] = {
19 SND_SOC_DAPM_INPUT("RX"),
20 SND_SOC_DAPM_OUTPUT("TX"),
21};
22
23static const struct snd_soc_dapm_route bt_sco_routes[] = {
24 { "Capture", NULL, "RX" },
25 { "TX", NULL, "Playback" },
26};
27
Barry Song200ceb92013-05-18 20:25:00 +080028static struct snd_soc_dai_driver bt_sco_dai = {
29 .name = "bt-sco-pcm",
30 .playback = {
Mark Brown5195ca42013-08-19 12:16:19 +010031 .stream_name = "Playback",
Barry Song200ceb92013-05-18 20:25:00 +080032 .channels_min = 1,
33 .channels_max = 1,
34 .rates = SNDRV_PCM_RATE_8000,
35 .formats = SNDRV_PCM_FMTBIT_S16_LE,
36 },
37 .capture = {
Mark Brown5195ca42013-08-19 12:16:19 +010038 .stream_name = "Capture",
Barry Song200ceb92013-05-18 20:25:00 +080039 .channels_min = 1,
40 .channels_max = 1,
41 .rates = SNDRV_PCM_RATE_8000,
42 .formats = SNDRV_PCM_FMTBIT_S16_LE,
43 },
44};
45
Mark Brown5195ca42013-08-19 12:16:19 +010046static struct snd_soc_codec_driver soc_codec_dev_bt_sco = {
47 .dapm_widgets = bt_sco_widgets,
48 .num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets),
49 .dapm_routes = bt_sco_routes,
50 .num_dapm_routes = ARRAY_SIZE(bt_sco_routes),
51};
Barry Song200ceb92013-05-18 20:25:00 +080052
53static int bt_sco_probe(struct platform_device *pdev)
54{
55 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco,
56 &bt_sco_dai, 1);
57}
58
59static int bt_sco_remove(struct platform_device *pdev)
60{
61 snd_soc_unregister_codec(&pdev->dev);
62
63 return 0;
64}
65
Krzysztof Kozlowskic5787432015-05-02 01:00:12 +090066static const struct platform_device_id bt_sco_driver_ids[] = {
Barry Song200ceb92013-05-18 20:25:00 +080067 {
68 .name = "dfbmcs320",
69 },
Mark Brownb9dff9c2013-08-19 12:13:14 +010070 {
71 .name = "bt-sco",
72 },
Barry Song200ceb92013-05-18 20:25:00 +080073 {},
74};
75MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
76
Marek Beliskoc778b472015-05-08 21:02:34 +020077#if defined(CONFIG_OF)
78static const struct of_device_id bt_sco_codec_of_match[] = {
79 { .compatible = "delta,dfbmcs320", },
80 {},
81};
82MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match);
83#endif
84
Barry Song200ceb92013-05-18 20:25:00 +080085static struct platform_driver bt_sco_driver = {
86 .driver = {
87 .name = "bt-sco",
Marek Beliskoc778b472015-05-08 21:02:34 +020088 .of_match_table = of_match_ptr(bt_sco_codec_of_match),
Barry Song200ceb92013-05-18 20:25:00 +080089 },
90 .probe = bt_sco_probe,
91 .remove = bt_sco_remove,
92 .id_table = bt_sco_driver_ids,
93};
94
95module_platform_driver(bt_sco_driver);
96
97MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
Masanari Iidaa4651222015-01-15 19:29:28 +090098MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver");
Barry Song200ceb92013-05-18 20:25:00 +080099MODULE_LICENSE("GPL");