Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
a077ff90 | 2 | /* |
200ceb96 | 3 | * Driver for generic Bluetooth SCO link |
a077ff90 | 4 | * Copyright 2011 Lars-Peter Clausen <lars@metafoo.de> |
a077ff90 LPC |
5 | */ |
6 | ||
7 | #include <linux/init.h> | |
8 | #include <linux/module.h> | |
9 | #include <linux/platform_device.h> | |
10 | ||
11 | #include <sound/soc.h> | |
12 | ||
5195ca49 MB |
13 | static const struct snd_soc_dapm_widget bt_sco_widgets[] = { |
14 | SND_SOC_DAPM_INPUT("RX"), | |
15 | SND_SOC_DAPM_OUTPUT("TX"), | |
8f2b025a JY |
16 | SND_SOC_DAPM_AIF_IN("BT_SCO_RX", "Playback", 0, |
17 | SND_SOC_NOPM, 0, 0), | |
18 | SND_SOC_DAPM_AIF_OUT("BT_SCO_TX", "Capture", 0, | |
19 | SND_SOC_NOPM, 0, 0), | |
5195ca49 MB |
20 | }; |
21 | ||
22 | static const struct snd_soc_dapm_route bt_sco_routes[] = { | |
8f2b025a JY |
23 | { "BT_SCO_TX", NULL, "RX" }, |
24 | { "TX", NULL, "BT_SCO_RX" }, | |
5195ca49 MB |
25 | }; |
26 | ||
5947e1b4 GT |
27 | static struct snd_soc_dai_driver bt_sco_dai[] = { |
28 | { | |
29 | .name = "bt-sco-pcm", | |
30 | .playback = { | |
31 | .stream_name = "Playback", | |
32 | .channels_min = 1, | |
33 | .channels_max = 1, | |
34 | .rates = SNDRV_PCM_RATE_8000, | |
35 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
36 | }, | |
37 | .capture = { | |
38 | .stream_name = "Capture", | |
39 | .channels_min = 1, | |
40 | .channels_max = 1, | |
41 | .rates = SNDRV_PCM_RATE_8000, | |
42 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
43 | }, | |
a077ff90 | 44 | }, |
5947e1b4 GT |
45 | { |
46 | .name = "bt-sco-pcm-wb", | |
47 | .playback = { | |
48 | .stream_name = "Playback", | |
49 | .channels_min = 1, | |
50 | .channels_max = 1, | |
51 | .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, | |
52 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
53 | }, | |
54 | .capture = { | |
55 | .stream_name = "Capture", | |
56 | .channels_min = 1, | |
57 | .channels_max = 1, | |
58 | .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, | |
59 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
60 | }, | |
61 | } | |
a077ff90 LPC |
62 | }; |
63 | ||
90e678d2 KM |
64 | static const struct snd_soc_component_driver soc_component_dev_bt_sco = { |
65 | .dapm_widgets = bt_sco_widgets, | |
66 | .num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets), | |
67 | .dapm_routes = bt_sco_routes, | |
68 | .num_dapm_routes = ARRAY_SIZE(bt_sco_routes), | |
69 | .idle_bias_on = 1, | |
70 | .use_pmdown_time = 1, | |
71 | .endianness = 1, | |
5195ca49 | 72 | }; |
a077ff90 | 73 | |
200ceb96 | 74 | static int bt_sco_probe(struct platform_device *pdev) |
a077ff90 | 75 | { |
90e678d2 KM |
76 | return devm_snd_soc_register_component(&pdev->dev, |
77 | &soc_component_dev_bt_sco, | |
5947e1b4 | 78 | bt_sco_dai, ARRAY_SIZE(bt_sco_dai)); |
a077ff90 LPC |
79 | } |
80 | ||
c5787431 | 81 | static const struct platform_device_id bt_sco_driver_ids[] = { |
200ceb96 BS |
82 | { |
83 | .name = "dfbmcs320", | |
84 | }, | |
b9dff9c3 MB |
85 | { |
86 | .name = "bt-sco", | |
87 | }, | |
200ceb96 BS |
88 | {}, |
89 | }; | |
90 | MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids); | |
91 | ||
c778b472 MB |
92 | #if defined(CONFIG_OF) |
93 | static const struct of_device_id bt_sco_codec_of_match[] = { | |
94 | { .compatible = "delta,dfbmcs320", }, | |
5947e1b4 | 95 | { .compatible = "linux,bt-sco", }, |
c778b472 MB |
96 | {}, |
97 | }; | |
98 | MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match); | |
99 | #endif | |
100 | ||
200ceb96 | 101 | static struct platform_driver bt_sco_driver = { |
a077ff90 | 102 | .driver = { |
200ceb96 | 103 | .name = "bt-sco", |
c778b472 | 104 | .of_match_table = of_match_ptr(bt_sco_codec_of_match), |
a077ff90 | 105 | }, |
200ceb96 | 106 | .probe = bt_sco_probe, |
200ceb96 | 107 | .id_table = bt_sco_driver_ids, |
a077ff90 LPC |
108 | }; |
109 | ||
200ceb96 | 110 | module_platform_driver(bt_sco_driver); |
a077ff90 LPC |
111 | |
112 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); | |
a465122a | 113 | MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver"); |
a077ff90 | 114 | MODULE_LICENSE("GPL"); |