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Annotation of sys/arch/mvme68k/dev/wdscreg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: wdscreg.h,v 1.2 2003/06/02 23:27:50 millert 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. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *  @(#)dmareg.h
                     33:  */
                     34: #ifndef _MVME68K_DEV_WDSCREG_H_
                     35: #define _MVME68K_DEV_WDSCREG_H_
                     36:
                     37: #define DMAC_CSR_ENABLE     (1 << 0)    /* Enable the DMAC */
                     38: #define DMAC_CSR_TABLE      (1 << 1)    /* Select Table Mode */
                     39: #define DMAC_CSR_WRITE      (1 << 2)    /* Write data from RAM to SCSI */
                     40: #define DMAC_CSR_TBUSERR    (1 << 3)    /* Bus error during table walk */
                     41: #define DMAC_CSR_DBUSERR    (1 << 4)    /* Bus error during data xfer */
                     42: #define DMAC_CSR_TSIZE      (1 << 5)    /* Table addr. not in 32 bits */
                     43: #define DMAC_CSR_8BITS      (1 << 6)    /* Non-8 bit handshake */
                     44: #define DMAC_CSR_DONE       (1 << 7)    /* Transfer complete, or error */
                     45:
                     46: #define DMAC_SR_HOLDING     0x0f        /* Data holding state */
                     47: #define DMAC_SR_INCREMENT   0xf0        /* Increment value */
                     48:
                     49: #endif