Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 1 | /* |
| 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 Brown | 5195ca4 | 2013-08-19 12:16:19 +0100 | [diff] [blame] | 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 | |
Garlic Tseng | 5947e1b | 2016-07-04 18:56:26 +0800 | [diff] [blame] | 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 | }, |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 45 | }, |
Garlic Tseng | 5947e1b | 2016-07-04 18:56:26 +0800 | [diff] [blame] | 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 | } |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 63 | }; |
| 64 | |
Mark Brown | 5195ca4 | 2013-08-19 12:16:19 +0100 | [diff] [blame] | 65 | static struct snd_soc_codec_driver soc_codec_dev_bt_sco = { |
Kuninori Morimoto | 24fe48d | 2016-08-08 09:05:36 +0000 | [diff] [blame] | 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 | }, |
Mark Brown | 5195ca4 | 2013-08-19 12:16:19 +0100 | [diff] [blame] | 72 | }; |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 73 | |
| 74 | static int bt_sco_probe(struct platform_device *pdev) |
| 75 | { |
| 76 | return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco, |
Garlic Tseng | 5947e1b | 2016-07-04 18:56:26 +0800 | [diff] [blame] | 77 | bt_sco_dai, ARRAY_SIZE(bt_sco_dai)); |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | static int bt_sco_remove(struct platform_device *pdev) |
| 81 | { |
| 82 | snd_soc_unregister_codec(&pdev->dev); |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | |
Krzysztof Kozlowski | c578743 | 2015-05-02 01:00:12 +0900 | [diff] [blame] | 87 | static const struct platform_device_id bt_sco_driver_ids[] = { |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 88 | { |
| 89 | .name = "dfbmcs320", |
| 90 | }, |
Mark Brown | b9dff9c | 2013-08-19 12:13:14 +0100 | [diff] [blame] | 91 | { |
| 92 | .name = "bt-sco", |
| 93 | }, |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 94 | {}, |
| 95 | }; |
| 96 | MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids); |
| 97 | |
Marek Belisko | c778b47 | 2015-05-08 21:02:34 +0200 | [diff] [blame] | 98 | #if defined(CONFIG_OF) |
| 99 | static const struct of_device_id bt_sco_codec_of_match[] = { |
| 100 | { .compatible = "delta,dfbmcs320", }, |
Garlic Tseng | 5947e1b | 2016-07-04 18:56:26 +0800 | [diff] [blame] | 101 | { .compatible = "linux,bt-sco", }, |
Marek Belisko | c778b47 | 2015-05-08 21:02:34 +0200 | [diff] [blame] | 102 | {}, |
| 103 | }; |
| 104 | MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match); |
| 105 | #endif |
| 106 | |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 107 | static struct platform_driver bt_sco_driver = { |
| 108 | .driver = { |
| 109 | .name = "bt-sco", |
Marek Belisko | c778b47 | 2015-05-08 21:02:34 +0200 | [diff] [blame] | 110 | .of_match_table = of_match_ptr(bt_sco_codec_of_match), |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 111 | }, |
| 112 | .probe = bt_sco_probe, |
| 113 | .remove = bt_sco_remove, |
| 114 | .id_table = bt_sco_driver_ids, |
| 115 | }; |
| 116 | |
| 117 | module_platform_driver(bt_sco_driver); |
| 118 | |
| 119 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); |
Masanari Iida | a465122 | 2015-01-15 19:29:28 +0900 | [diff] [blame] | 120 | MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver"); |
Barry Song | 200ceb9 | 2013-05-18 20:25:00 +0800 | [diff] [blame] | 121 | MODULE_LICENSE("GPL"); |