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wdscreg.h revision 1.1 
      1 /*  $NetBSD: wdscreg.h,v 1.1 1996/04/18 18:30:49 chuck Exp $  */
      2 
      3 /*
      4  * Copyright (c) 1994 Christian E. Hopps
      5  * Copyright (c) 1982, 1990 The Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *  This product includes software developed by the University of
     19  *  California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *  @(#)dmareg.h
     37  */
     38 #ifndef _MVME68K_DEV_WDSCREG_H_
     39 #define _MVME68K_DEV_WDSCREG_H_
     40 
     41 #define DMAC_CSR_ENABLE     (1 << 0)    /* Enable the DMAC */
     42 #define DMAC_CSR_TABLE      (1 << 1)    /* Select Table Mode */
     43 #define DMAC_CSR_WRITE      (1 << 2)    /* Write data from RAM to SCSI */
     44 #define DMAC_CSR_TBUSERR    (1 << 3)    /* Bus error during table walk */
     45 #define DMAC_CSR_DBUSERR    (1 << 4)    /* Bus error during data xfer */
     46 #define DMAC_CSR_TSIZE      (1 << 5)    /* Table addr. not in 32 bits */
     47 #define DMAC_CSR_8BITS      (1 << 6)    /* Non-8 bit handshake */
     48 #define DMAC_CSR_DONE       (1 << 7)    /* Transfer complete, or error */
     49 
     50 #define DMAC_SR_HOLDING     0x0f        /* Data holding state */
     51 #define DMAC_SR_INCREMENT   0xf0        /* Increment value */
     52 
     53 #endif
     54