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Commit | Line | Data |
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a077ff90 | 1 | /* |
200ceb96 | 2 | * Driver for generic Bluetooth SCO link |
a077ff90 LPC |
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 | ||
5195ca49 MB |
18 | static const struct snd_soc_dapm_widget bt_sco_widgets[] = { |
19 | SND_SOC_DAPM_INPUT("RX"), | |
20 | SND_SOC_DAPM_OUTPUT("TX"), | |
21 | }; | |
22 | ||
23 | static const struct snd_soc_dapm_route bt_sco_routes[] = { | |
24 | { "Capture", NULL, "RX" }, | |
25 | { "TX", NULL, "Playback" }, | |
26 | }; | |
27 | ||
5947e1b4 GT |
28 | static struct snd_soc_dai_driver bt_sco_dai[] = { |
29 | { | |
30 | .name = "bt-sco-pcm", | |
31 | .playback = { | |
32 | .stream_name = "Playback", | |
33 | .channels_min = 1, | |
34 | .channels_max = 1, | |
35 | .rates = SNDRV_PCM_RATE_8000, | |
36 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
37 | }, | |
38 | .capture = { | |
39 | .stream_name = "Capture", | |
40 | .channels_min = 1, | |
41 | .channels_max = 1, | |
42 | .rates = SNDRV_PCM_RATE_8000, | |
43 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
44 | }, | |
a077ff90 | 45 | }, |
5947e1b4 GT |
46 | { |
47 | .name = "bt-sco-pcm-wb", | |
48 | .playback = { | |
49 | .stream_name = "Playback", | |
50 | .channels_min = 1, | |
51 | .channels_max = 1, | |
52 | .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, | |
53 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
54 | }, | |
55 | .capture = { | |
56 | .stream_name = "Capture", | |
57 | .channels_min = 1, | |
58 | .channels_max = 1, | |
59 | .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, | |
60 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
61 | }, | |
62 | } | |
a077ff90 LPC |
63 | }; |
64 | ||
a180ba45 | 65 | static const struct snd_soc_codec_driver soc_codec_dev_bt_sco = { |
24fe48d7 KM |
66 | .component_driver = { |
67 | .dapm_widgets = bt_sco_widgets, | |
68 | .num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets), | |
69 | .dapm_routes = bt_sco_routes, | |
70 | .num_dapm_routes = ARRAY_SIZE(bt_sco_routes), | |
71 | }, | |
5195ca49 | 72 | }; |
a077ff90 | 73 | |
200ceb96 | 74 | static int bt_sco_probe(struct platform_device *pdev) |
a077ff90 | 75 | { |
200ceb96 | 76 | return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco, |
5947e1b4 | 77 | bt_sco_dai, ARRAY_SIZE(bt_sco_dai)); |
a077ff90 LPC |
78 | } |
79 | ||
200ceb96 | 80 | static int bt_sco_remove(struct platform_device *pdev) |
a077ff90 LPC |
81 | { |
82 | snd_soc_unregister_codec(&pdev->dev); | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
c5787431 | 87 | static const struct platform_device_id bt_sco_driver_ids[] = { |
200ceb96 BS |
88 | { |
89 | .name = "dfbmcs320", | |
90 | }, | |
b9dff9c3 MB |
91 | { |
92 | .name = "bt-sco", | |
93 | }, | |
200ceb96 BS |
94 | {}, |
95 | }; | |
96 | MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids); | |
97 | ||
c778b472 MB |
98 | #if defined(CONFIG_OF) |
99 | static const struct of_device_id bt_sco_codec_of_match[] = { | |
100 | { .compatible = "delta,dfbmcs320", }, | |
5947e1b4 | 101 | { .compatible = "linux,bt-sco", }, |
c778b472 MB |
102 | {}, |
103 | }; | |
104 | MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match); | |
105 | #endif | |
106 | ||
200ceb96 | 107 | static struct platform_driver bt_sco_driver = { |
a077ff90 | 108 | .driver = { |
200ceb96 | 109 | .name = "bt-sco", |
c778b472 | 110 | .of_match_table = of_match_ptr(bt_sco_codec_of_match), |
a077ff90 | 111 | }, |
200ceb96 BS |
112 | .probe = bt_sco_probe, |
113 | .remove = bt_sco_remove, | |
114 | .id_table = bt_sco_driver_ids, | |
a077ff90 LPC |
115 | }; |
116 | ||
200ceb96 | 117 | module_platform_driver(bt_sco_driver); |
a077ff90 LPC |
118 | |
119 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); | |
a465122a | 120 | MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver"); |
a077ff90 | 121 | MODULE_LICENSE("GPL"); |