[deliverable/linux.git] / sound / soc / codecs / bt-sco.c

/*
 * Driver for generic Bluetooth SCO link
 * Copyright 2011 Lars-Peter Clausen <lars@metafoo.de>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#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"),
};

static const struct snd_soc_dapm_route bt_sco_routes[] = {
	{ "Capture", NULL, "RX" },
	{ "TX", NULL, "Playback" },
};

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,
	},
};

static struct snd_soc_codec_driver soc_codec_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),
};

static int bt_sco_probe(struct platform_device *pdev)
{
	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco,
			&bt_sco_dai, 1);
}

static int bt_sco_remove(struct platform_device *pdev)
{
	snd_soc_unregister_codec(&pdev->dev);

	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", },
	{},
};
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 <lars@metafoo.de>");
MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
	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
	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
	28	static struct snd_soc_dai_driver bt_sco_dai = {
	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	static struct snd_soc_codec_driver soc_codec_dev_bt_sco = {
	47	.dapm_widgets = bt_sco_widgets,
	48	.num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets),
	49	.dapm_routes = bt_sco_routes,
	50	.num_dapm_routes = ARRAY_SIZE(bt_sco_routes),
	51	};
	52
	53	static int bt_sco_probe(struct platform_device *pdev)
	54	{
	55	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco,
	56	&bt_sco_dai, 1);
	57	}
	58
	59	static int bt_sco_remove(struct platform_device *pdev)
	60	{
	61	snd_soc_unregister_codec(&pdev->dev);
	62
	63	return 0;
	64	}
	65
	66	static const struct platform_device_id bt_sco_driver_ids[] = {
	67	{
	68	.name = "dfbmcs320",
	69	},
	70	{
	71	.name = "bt-sco",
	72	},
	73	{},
	74	};
	75	MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
	76
	77	#if defined(CONFIG_OF)
	78	static const struct of_device_id bt_sco_codec_of_match[] = {
	79	{ .compatible = "delta,dfbmcs320", },
	80	{},
	81	};
	82	MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match);
	83	#endif
	84
	85	static struct platform_driver bt_sco_driver = {
	86	.driver = {
	87	.name = "bt-sco",
	88	.of_match_table = of_match_ptr(bt_sco_codec_of_match),
	89	},
	90	.probe = bt_sco_probe,
	91	.remove = bt_sco_remove,
	92	.id_table = bt_sco_driver_ids,
	93	};
	94
	95	module_platform_driver(bt_sco_driver);
	96
	97	MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
	98	MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver");
	99	MODULE_LICENSE("GPL");