Release 4.8 sound/soc/samsung/dmaengine.c
/*
* dmaengine.c - Samsung dmaengine wrapper
*
* Author: Mark Brown <broonie@linaro.org>
* Copyright 2013 Linaro
*
* 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.
*
* 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/module.h>
#include <linux/amba/pl08x.h>
#include <linux/platform_data/dma-s3c24xx.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/dmaengine_pcm.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include "dma.h"
void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
struct s3c_dma_params *playback,
struct s3c_dma_params *capture)
{
struct snd_dmaengine_dai_dma_data *playback_data = NULL;
struct snd_dmaengine_dai_dma_data *capture_data = NULL;
if (playback) {
playback_data = &playback->dma_data;
playback_data->filter_data = playback->slave;
playback_data->chan_name = playback->ch_name;
playback_data->addr = playback->dma_addr;
playback_data->addr_width = playback->dma_size;
}
if (capture) {
capture_data = &capture->dma_data;
capture_data->filter_data = capture->slave;
capture_data->chan_name = capture->ch_name;
capture_data->addr = capture->dma_addr;
capture_data->addr_width = capture->dma_size;
}
snd_soc_dai_init_dma_data(dai, playback_data, capture_data);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 131 | 98.50% | 1 | 50.00% |
| arnd bergmann | arnd bergmann | 2 | 1.50% | 1 | 50.00% |
| Total | 133 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL_GPL(samsung_asoc_init_dma_data);
int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
const char *tx, const char *rx)
{
unsigned int flags = SND_DMAENGINE_PCM_FLAG_COMPAT;
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;
if (dev->of_node) {
pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx;
} else {
flags |= SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME;
}
return devm_snd_dmaengine_pcm_register(dev, pcm_conf, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| sylwester nawrocki | sylwester nawrocki | 88 | 77.88% | 1 | 25.00% |
| mark brown | mark brown | 17 | 15.04% | 1 | 25.00% |
| arnd bergmann | arnd bergmann | 7 | 6.19% | 1 | 25.00% |
| tushar behera | tushar behera | 1 | 0.88% | 1 | 25.00% |
| Total | 113 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register);
MODULE_AUTHOR("Mark Brown <broonie@linaro.org>");
MODULE_DESCRIPTION("Samsung dmaengine ASoC driver");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 201 | 66.56% | 1 | 16.67% |
| sylwester nawrocki | sylwester nawrocki | 88 | 29.14% | 1 | 16.67% |
| arnd bergmann | arnd bergmann | 9 | 2.98% | 2 | 33.33% |
| vasily khoruzhick | vasily khoruzhick | 3 | 0.99% | 1 | 16.67% |
| tushar behera | tushar behera | 1 | 0.33% | 1 | 16.67% |
| Total | 302 | 100.00% | 6 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.