48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/* $NetBSD: isa_dma.h,v 1.1 1995/06/28 01:24:50 cgd Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
struct isadma_fcns {
|
|
int (*isadma_map) __P((caddr_t addr, vm_size_t size,
|
|
vm_offset_t *mappings, int flags));
|
|
void (*isadma_unmap) __P((caddr_t addr, vm_size_t size,
|
|
int nmappings, vm_offset_t *mappings));
|
|
void (*isadma_copytobuf) __P((caddr_t addr, vm_size_t size,
|
|
int nmappings, vm_offset_t *mappings));
|
|
void (*isadma_copyfrombuf) __P((caddr_t addr, vm_size_t size,
|
|
int nmappings, vm_offset_t *mappings));
|
|
};
|
|
|
|
/*
|
|
* Global which tells which set of functions are correct
|
|
* for this machine.
|
|
*/
|
|
struct isadma_fcns *isadma_fcns;
|
|
|
|
struct isadma_fcns apecs_isadma_fcns; /* APECS DMA mapping */
|