blob: 2802789a323e5a6ea51bac6314d1bbb55fa25709 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// SPDX-License-Identifier: GPL-2.0
//
// dmaengine.c - Samsung dmaengine wrapper
//
// Author: Mark Brown <broonie@linaro.org>
// Copyright 2013 Linaro
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/dmaengine_pcm.h>
#include <sound/soc.h>
#include "dma.h"
int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
const char *tx, const char *rx,
struct device *dma_dev)
{
struct snd_dmaengine_pcm_config *pcm_conf;
pcm_conf = devm_kzalloc(dev, sizeof(*pcm_conf), GFP_KERNEL);
if (!pcm_conf)
return -ENOMEM;
pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
pcm_conf->compat_filter_fn = filter;
pcm_conf->dma_dev = dma_dev;
pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx;
return devm_snd_dmaengine_pcm_register(dev, pcm_conf,
SND_DMAENGINE_PCM_FLAG_COMPAT);
}
EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register);
MODULE_AUTHOR("Mark Brown <broonie@linaro.org>");
MODULE_DESCRIPTION("Samsung dmaengine ASoC driver");
MODULE_LICENSE("GPL");
|
