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Annotation of 43BSDReno/sys/hpdev/dmavar.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)dmavar.h    7.1 (Berkeley) 5/8/90
        !            21:  */
        !            22: 
        !            23: /* dmago flags */
        !            24: #define DMAGO_BYTE     0x00
        !            25: #define DMAGO_WORD     0x01
        !            26: #define DMAGO_LWORD    0x02
        !            27: #define        DMAGO_PRI       0x04
        !            28: #define        DMAGO_READ      0x08
        !            29: #define        DMAGO_NOINT     0x80
        !            30: 
        !            31: /* dma "controllers" (channels) */
        !            32: #define        DMA0            0x1
        !            33: #define        DMA1            0x2
        !            34: 
        !            35: #ifdef KERNEL
        !            36: extern void    dmago(), dmafree();
        !            37: extern int     dmareq();
        !            38: #endif

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