firmware/target/arm/s5l8700/dma-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright © 2009 Bertrik Sikken
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdlib.h>
  23
  24 /* generic DMA definitions */
  25 #define DMA_IO_TO_MEM       0
  26 #define DMA_MEM_TO_IO       1
  27
  28 /* IISOUT DMA settings */
  29 #define DMA_IISOUT_CHANNEL  0
  30 #define DMA_IISOUT_SELECT   0
  31 #define DMA_IISOUT_DSIZE    1   /* 1 = 16-bit/transfer */
  32 #define DMA_IISOUT_BLEN     0   /* 0 = 1 transfer/burst */
  33
  34 void dma_init(void);
  35
  36 void dma_setup_channel(int channel, int sel, int dir, int dsize, int blen,
  37                        void *addr, size_t size, void (*callback)(void));
  38
  39 void dma_enable_channel(int channel);
  40 void dma_disable_channel(int channel);
  41