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