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/* $OpenBSD: dmavar.h,v 1.2 1997/01/12 15:12:29 downsj Exp $ */
/* $NetBSD: dmavar.h,v 1.6 1996/12/09 03:09:51 thorpej Exp $ */
/*
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)dmavar.h 8.1 (Berkeley) 6/10/93
*/
/* dmago flags */
#define DMAGO_BYTE 0x00 /* do byte (8 bit) transfers */
#define DMAGO_WORD 0x01 /* do word (16 bit) transfers */
#define DMAGO_LWORD 0x02 /* do longword (32 bit) transfers */
#define DMAGO_PRI 0x04 /* do "priority" DMA */
#define DMAGO_READ 0x08 /* transfer is a read */
#define DMAGO_NOINT 0x80 /* don't interrupt on completion */
/* dma "controllers" (channels) */
#define DMA0 0x1
#define DMA1 0x2
#ifdef _KERNEL
extern void dmago(), dmafree();
extern int dmareq();
extern void dmacomputeipl __P((void));
#endif
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