49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
|
/*
|
||
|
|
* linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
|
||
|
|
*
|
||
|
|
* Author: Nicolas Pitre
|
||
|
|
* Created: Nov 30, 2004
|
||
|
|
* Copyright: (C) 2004 MontaVista Software, Inc.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/dma-mapping.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/dmaengine.h>
|
||
|
|
#include <linux/of.h>
|
||
|
|
|
||
|
|
#include <sound/core.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
#include <sound/pxa2xx-lib.h>
|
||
|
|
#include <sound/dmaengine_pcm.h>
|
||
|
|
|
||
|
|
static const struct snd_soc_component_driver pxa2xx_soc_platform = {
|
||
|
|
.ops = &pxa2xx_pcm_ops,
|
||
|
|
.pcm_new = pxa2xx_soc_pcm_new,
|
||
|
|
.pcm_free = pxa2xx_pcm_free_dma_buffers,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
|
||
|
|
NULL, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver pxa_pcm_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "pxa-pcm-audio",
|
||
|
|
},
|
||
|
|
|
||
|
|
.probe = pxa2xx_soc_platform_probe,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(pxa_pcm_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Nicolas Pitre");
|
||
|
|
MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_ALIAS("platform:pxa-pcm-audio");
|