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/*

 * linux/include/asm-arm/arch-tbox/dma.h

 *

 * Architecture DMA routines.  We have to contend with the bizarre DMA

 * machine built into the Tbox hardware.

 *

 * Copyright (C) 1998 Philip Blundell

 */

/*

 * 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.

 */

/*

 * DMA channel definitions.  Some of these are physically strange but

 * we sort it out inside dma.c so the user never has to care.  The

 * exception is the double-buffering which we can't really abstract

 * away sensibly.

 */

#define DMA_VIDEO                       0

#define DMA_MPEG_B                      1

#define DMA_AUDIO_B                     2

#define DMA_ASHRX_B                     3

#define DMA_ASHTX                       4

#define DMA_MPEG                        5

#define DMA_AUDIO                       6

#define DMA_ASHRX                       7

#define MAX_DMA_CHANNELS                0        /* XXX */

/*

 * This is the maximum DMA address that can be DMAd to.

 */

#define MAX_DMA_ADDRESS         0xffffffff