| /* |
| * dma.h -- |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * ALSA PCM interface for the Samsung SoC |
| */ |
| |
| #ifndef _S3C_AUDIO_H |
| #define _S3C_AUDIO_H |
| |
| #include <sound/dmaengine_pcm.h> |
| #include <linux/dmaengine.h> |
| |
| struct s3c_dma_params { |
| void *slave; /* Channel ID */ |
| dma_addr_t dma_addr; |
| int dma_size; /* Size of the DMA transfer */ |
| char *ch_name; |
| struct snd_dmaengine_dai_dma_data dma_data; |
| }; |
| |
| void samsung_asoc_init_dma_data(struct snd_soc_dai *dai, |
| struct s3c_dma_params *playback, |
| struct s3c_dma_params *capture); |
| /* |
| * @tx, @rx arguments can be NULL if the DMA channel names are "tx", "rx", |
| * otherwise actual DMA channel names must be passed to this function. |
| */ |
| int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter, |
| const char *tx, const char *rx); |
| #endif |