141480Smckusick /* 241480Smckusick * Copyright (c) 1982, 1990 The Regents of the University of California. 341480Smckusick * All rights reserved. 441480Smckusick * 541480Smckusick * %sccs.include.redist.c% 641480Smckusick * 7*45484Smckusick * @(#)dmavar.h 7.2 (Berkeley) 11/04/90 841480Smckusick */ 941480Smckusick 1041480Smckusick /* dmago flags */ 11*45484Smckusick #define DMAGO_BYTE 0x00 /* do byte (8 bit) transfers */ 12*45484Smckusick #define DMAGO_WORD 0x01 /* do word (16 bit) transfers */ 13*45484Smckusick #define DMAGO_LWORD 0x02 /* do longword (32 bit) transfers */ 14*45484Smckusick #define DMAGO_PRI 0x04 /* do "priority" DMA */ 15*45484Smckusick #define DMAGO_READ 0x08 /* transfer is a read */ 16*45484Smckusick #define DMAGO_NOINT 0x80 /* don't interrupt on completion */ 1741480Smckusick 1841480Smckusick /* dma "controllers" (channels) */ 1941480Smckusick #define DMA0 0x1 2041480Smckusick #define DMA1 0x2 2141480Smckusick 2241480Smckusick #ifdef KERNEL 2341480Smckusick extern void dmago(), dmafree(); 2441480Smckusick extern int dmareq(); 2541480Smckusick #endif 26