forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
2.8 KiB
120 lines
2.8 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* Driver for generic Bluetooth SCO link |
|
* Copyright 2011 Lars-Peter Clausen <[email protected]> |
|
*/ |
|
|
|
#include <linux/init.h> |
|
#include <linux/module.h> |
|
#include <linux/platform_device.h> |
|
|
|
#include <sound/soc.h> |
|
|
|
static const struct snd_soc_dapm_widget bt_sco_widgets[] = { |
|
SND_SOC_DAPM_INPUT("RX"), |
|
SND_SOC_DAPM_OUTPUT("TX"), |
|
SND_SOC_DAPM_AIF_IN("BT_SCO_RX", "Playback", 0, |
|
SND_SOC_NOPM, 0, 0), |
|
SND_SOC_DAPM_AIF_OUT("BT_SCO_TX", "Capture", 0, |
|
SND_SOC_NOPM, 0, 0), |
|
}; |
|
|
|
static const struct snd_soc_dapm_route bt_sco_routes[] = { |
|
{ "BT_SCO_TX", NULL, "RX" }, |
|
{ "TX", NULL, "BT_SCO_RX" }, |
|
}; |
|
|
|
static struct snd_soc_dai_driver bt_sco_dai[] = { |
|
{ |
|
.name = "bt-sco-pcm", |
|
.playback = { |
|
.stream_name = "Playback", |
|
.channels_min = 1, |
|
.channels_max = 1, |
|
.rates = SNDRV_PCM_RATE_8000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "Capture", |
|
.channels_min = 1, |
|
.channels_max = 1, |
|
.rates = SNDRV_PCM_RATE_8000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
}, |
|
{ |
|
.name = "bt-sco-pcm-wb", |
|
.playback = { |
|
.stream_name = "Playback", |
|
.channels_min = 1, |
|
.channels_max = 1, |
|
.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
.capture = { |
|
.stream_name = "Capture", |
|
.channels_min = 1, |
|
.channels_max = 1, |
|
.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, |
|
.formats = SNDRV_PCM_FMTBIT_S16_LE, |
|
}, |
|
} |
|
}; |
|
|
|
static const struct snd_soc_component_driver soc_component_dev_bt_sco = { |
|
.dapm_widgets = bt_sco_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets), |
|
.dapm_routes = bt_sco_routes, |
|
.num_dapm_routes = ARRAY_SIZE(bt_sco_routes), |
|
.idle_bias_on = 1, |
|
.use_pmdown_time = 1, |
|
.endianness = 1, |
|
}; |
|
|
|
static int bt_sco_probe(struct platform_device *pdev) |
|
{ |
|
return devm_snd_soc_register_component(&pdev->dev, |
|
&soc_component_dev_bt_sco, |
|
bt_sco_dai, ARRAY_SIZE(bt_sco_dai)); |
|
} |
|
|
|
static int bt_sco_remove(struct platform_device *pdev) |
|
{ |
|
return 0; |
|
} |
|
|
|
static const struct platform_device_id bt_sco_driver_ids[] = { |
|
{ |
|
.name = "dfbmcs320", |
|
}, |
|
{ |
|
.name = "bt-sco", |
|
}, |
|
{}, |
|
}; |
|
MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids); |
|
|
|
#if defined(CONFIG_OF) |
|
static const struct of_device_id bt_sco_codec_of_match[] = { |
|
{ .compatible = "delta,dfbmcs320", }, |
|
{ .compatible = "linux,bt-sco", }, |
|
{}, |
|
}; |
|
MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match); |
|
#endif |
|
|
|
static struct platform_driver bt_sco_driver = { |
|
.driver = { |
|
.name = "bt-sco", |
|
.of_match_table = of_match_ptr(bt_sco_codec_of_match), |
|
}, |
|
.probe = bt_sco_probe, |
|
.remove = bt_sco_remove, |
|
.id_table = bt_sco_driver_ids, |
|
}; |
|
|
|
module_platform_driver(bt_sco_driver); |
|
|
|
MODULE_AUTHOR("Lars-Peter Clausen <[email protected]>"); |
|
MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver"); |
|
MODULE_LICENSE("GPL");
|
|
|