mirror of
https://github.com/hardkernel/linux.git
synced 2026-04-14 17:40:41 +09:00
3655e45471
Change-Id: Ifc1e49750e9b203681780b5400f9f1d7acf6afe4 Signed-off-by: Li Dongqiang <david.li@rock-chips.com>
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
|
|
* Driver for virtual codec
|
|
*
|
|
* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
|
|
* Author: Li Dongqiang <David.li@rock-chips.com>
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <sound/soc.h>
|
|
|
|
static const struct snd_soc_dapm_widget gva_codec_widgets[] = {
|
|
SND_SOC_DAPM_INPUT("RX"),
|
|
SND_SOC_DAPM_OUTPUT("TX"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route gva_codec_routes[] = {
|
|
{ "Capture", NULL, "RX" },
|
|
{ "TX", NULL, "Playback" },
|
|
};
|
|
|
|
#define gva_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
|
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
static struct snd_soc_dai_driver gva_codec_dai = {
|
|
.name = "gva_codec",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_192000,
|
|
.formats = gva_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 8,
|
|
.rates = SNDRV_PCM_RATE_8000_192000,
|
|
.formats = gva_FORMATS,
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_gva_codec = {
|
|
.dapm_widgets = gva_codec_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(gva_codec_widgets),
|
|
.dapm_routes = gva_codec_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(gva_codec_routes),
|
|
};
|
|
|
|
static int gva_codec_probe(struct platform_device *pdev)
|
|
{
|
|
return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_gva_codec,
|
|
&gva_codec_dai, 1);
|
|
}
|
|
|
|
static int gva_codec_remove(struct platform_device *pdev)
|
|
{
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id gva_codec_of_match[] = {
|
|
{ .compatible = "rockchip,gva-codec", },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, gva_codec_of_match);
|
|
|
|
static struct platform_driver gva_codec_driver = {
|
|
.driver = {
|
|
.name = "gva_codec",
|
|
.of_match_table = of_match_ptr(gva_codec_of_match),
|
|
},
|
|
.probe = gva_codec_probe,
|
|
.remove = gva_codec_remove,
|
|
};
|
|
|
|
module_platform_driver(gva_codec_driver);
|
|
|
|
MODULE_AUTHOR("Li Dongqiang <David.li@rock-chips.com>");
|
|
MODULE_DESCRIPTION("ASoC gva virtual driver");
|
|
MODULE_LICENSE("GPL");
|