Merge tag 'amd-drm-next-5.19-2022-04-15' of https://gitlab.freedesktop.org/agd5f...
[linux-2.6-microblaze.git] / sound / soc / codecs / bt-sco.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Driver for generic Bluetooth SCO link
4  * Copyright 2011 Lars-Peter Clausen <lars@metafoo.de>
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
13 static const struct snd_soc_dapm_widget bt_sco_widgets[] = {
14         SND_SOC_DAPM_INPUT("RX"),
15         SND_SOC_DAPM_OUTPUT("TX"),
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),
20 };
21
22 static const struct snd_soc_dapm_route bt_sco_routes[] = {
23         { "BT_SCO_TX", NULL, "RX" },
24         { "TX", NULL, "BT_SCO_RX" },
25 };
26
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                 },
44         },
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         }
62 };
63
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,
72         .non_legacy_dai_naming  = 1,
73 };
74
75 static int bt_sco_probe(struct platform_device *pdev)
76 {
77         return devm_snd_soc_register_component(&pdev->dev,
78                                       &soc_component_dev_bt_sco,
79                                       bt_sco_dai, ARRAY_SIZE(bt_sco_dai));
80 }
81
82 static int bt_sco_remove(struct platform_device *pdev)
83 {
84         return 0;
85 }
86
87 static const struct platform_device_id bt_sco_driver_ids[] = {
88         {
89                 .name           = "dfbmcs320",
90         },
91         {
92                 .name           = "bt-sco",
93         },
94         {},
95 };
96 MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
97
98 #if defined(CONFIG_OF)
99 static const struct of_device_id bt_sco_codec_of_match[] = {
100         { .compatible = "delta,dfbmcs320", },
101         { .compatible = "linux,bt-sco", },
102         {},
103 };
104 MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match);
105 #endif
106
107 static struct platform_driver bt_sco_driver = {
108         .driver = {
109                 .name = "bt-sco",
110                 .of_match_table = of_match_ptr(bt_sco_codec_of_match),
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>");
120 MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver");
121 MODULE_LICENSE("GPL");