View of xos/drivers/dma.h


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/* Copyright (C) 2008  Emmanuel Varoquaux
 
   This file is part of XOS.
 
   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 3 of the License, or
   (at your option) any later version.
 
   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.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
#ifndef DMA_H
#define DMA_H
 
/* canaux */
#define DMA_MEMORY_REFRESH      0       /* memory refresh (highest priority) */
#define DMA_DISKETTE_ADAPTER    2       /* diskette adapter */
#define DMA_HARD_DISK_ADAPTER   3       /* hard disk adapter (lowest priority) */
 
/* types de transferts */
#define DMA_VERIFY              0       /* verify=Nop */
#define DMA_WRITE               1       /* write */
#define DMA_READ                2       /* read */
 
void dma_setup(unsigned char channel, unsigned char transfer_type, unsigned long address, unsigned int count);
 
#endif