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dmavar.h revision 1.1 
      1  1.1  mw /*
      2  1.1  mw  * Copyright (c) 1982, 1990 The Regents of the University of California.
      3  1.1  mw  * All rights reserved.
      4  1.1  mw  *
      5  1.1  mw  * Redistribution and use in source and binary forms, with or without
      6  1.1  mw  * modification, are permitted provided that the following conditions
      7  1.1  mw  * are met:
      8  1.1  mw  * 1. Redistributions of source code must retain the above copyright
      9  1.1  mw  *    notice, this list of conditions and the following disclaimer.
     10  1.1  mw  * 2. Redistributions in binary form must reproduce the above copyright
     11  1.1  mw  *    notice, this list of conditions and the following disclaimer in the
     12  1.1  mw  *    documentation and/or other materials provided with the distribution.
     13  1.1  mw  * 3. All advertising materials mentioning features or use of this software
     14  1.1  mw  *    must display the following acknowledgement:
     15  1.1  mw  *	This product includes software developed by the University of
     16  1.1  mw  *	California, Berkeley and its contributors.
     17  1.1  mw  * 4. Neither the name of the University nor the names of its contributors
     18  1.1  mw  *    may be used to endorse or promote products derived from this software
     19  1.1  mw  *    without specific prior written permission.
     20  1.1  mw  *
     21  1.1  mw  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  1.1  mw  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  1.1  mw  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  1.1  mw  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  1.1  mw  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  1.1  mw  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  1.1  mw  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  1.1  mw  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  1.1  mw  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  1.1  mw  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  1.1  mw  * SUCH DAMAGE.
     32  1.1  mw  *
     33  1.1  mw  *	@(#)dmavar.h	7.2 (Berkeley) 11/4/90
     34  1.1  mw  */
     35  1.1  mw 
     36  1.1  mw /* dmago flags */
     37  1.1  mw #define	DMAGO_READ	0x08	/* transfer is a read */
     38  1.1  mw #define	DMAGO_NOINT	0x80	/* don't interrupt on completion */
     39  1.1  mw 
     40  1.1  mw #ifdef KERNEL
     41  1.1  mw extern void SDMAC_setup (void);
     42  1.1  mw extern void dmainit (void);
     43  1.1  mw extern int dmareq (register struct devqueue *dq);
     44  1.1  mw extern void dmafree (register struct devqueue *dq);
     45  1.1  mw extern int dmago (register char *addr, register int count, register int flags);
     46  1.1  mw extern int dmanext ();
     47  1.1  mw extern void dmastop (void);
     48  1.1  mw extern int dmaintr (void);
     49  1.1  mw extern void dmatimeout (void);
     50  1.1  mw #endif
     51