mirror of https://github.com/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.
41 lines
1.1 KiB
41 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
// |
|
// dmaengine.c - Samsung dmaengine wrapper |
|
// |
|
// Author: Mark Brown <[email protected]> |
|
// 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 <[email protected]>"); |
|
MODULE_DESCRIPTION("Samsung dmaengine ASoC driver"); |
|
MODULE_LICENSE("GPL");
|
|
|