blob: 1d5d39175671f6b170784138499305efc1cf9f61 [file] [log] [blame]
/*
* 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