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dmavar.h revision 1.5 
      1  1.5      jtc /*	$NetBSD: dmavar.h,v 1.5 1995/03/28 18:16:03 jtc Exp $	*/
      2  1.4      cgd 
      3  1.1      cgd /*
      4  1.3  mycroft  * Copyright (c) 1982, 1990, 1993
      5  1.3  mycroft  *	The Regents of the University of California.  All rights reserved.
      6  1.1      cgd  *
      7  1.1      cgd  * Redistribution and use in source and binary forms, with or without
      8  1.1      cgd  * modification, are permitted provided that the following conditions
      9  1.1      cgd  * are met:
     10  1.1      cgd  * 1. Redistributions of source code must retain the above copyright
     11  1.1      cgd  *    notice, this list of conditions and the following disclaimer.
     12  1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
     14  1.1      cgd  *    documentation and/or other materials provided with the distribution.
     15  1.1      cgd  * 3. All advertising materials mentioning features or use of this software
     16  1.1      cgd  *    must display the following acknowledgement:
     17  1.1      cgd  *	This product includes software developed by the University of
     18  1.1      cgd  *	California, Berkeley and its contributors.
     19  1.1      cgd  * 4. Neither the name of the University nor the names of its contributors
     20  1.1      cgd  *    may be used to endorse or promote products derived from this software
     21  1.1      cgd  *    without specific prior written permission.
     22  1.1      cgd  *
     23  1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1      cgd  * SUCH DAMAGE.
     34  1.1      cgd  *
     35  1.4      cgd  *	@(#)dmavar.h	8.1 (Berkeley) 6/10/93
     36  1.1      cgd  */
     37  1.1      cgd 
     38  1.1      cgd /* dmago flags */
     39  1.1      cgd #define	DMAGO_BYTE	0x00	/* do byte (8 bit) transfers */
     40  1.1      cgd #define	DMAGO_WORD	0x01	/* do word (16 bit) transfers */
     41  1.1      cgd #define	DMAGO_LWORD	0x02	/* do longword (32 bit) transfers */
     42  1.1      cgd #define	DMAGO_PRI	0x04	/* do "priority" DMA */
     43  1.1      cgd #define	DMAGO_READ	0x08	/* transfer is a read */
     44  1.1      cgd #define	DMAGO_NOINT	0x80	/* don't interrupt on completion */
     45  1.1      cgd 
     46  1.1      cgd /* dma "controllers" (channels) */
     47  1.1      cgd #define	DMA0		0x1
     48  1.1      cgd #define	DMA1		0x2
     49  1.1      cgd 
     50  1.5      jtc #ifdef _KERNEL
     51  1.1      cgd extern void	dmago(), dmafree();
     52  1.1      cgd extern int	dmareq();
     53  1.1      cgd #endif
     54