sys/arch/hp300/dev/hp98265reg.h

   1 /*      $NetBSD: hp98265reg.h,v 1.1.4.3 2004/09/21 13:15:14 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Van Jacobson of Lawrence Berkeley Laboratory.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)scsireg.h   8.1 (Berkeley) 6/10/93
  35  */
  36
  37 /*
  38  * HP 98265A SCSI Interface Hardware Description.
  39  */
  40
  41 #define SPC_OFFSET      32
  42 #define SPC_SIZE        (32 * 2)        /* XXX */
  43
  44 #define HPSCSI_ID       0x00
  45 #define  ID_MASK        0x1f
  46 #define  SCSI_ID        0x07
  47 #define  ID_WORD_DMA    0x20
  48
  49 #define HPSCSI_CSR      0x01
  50 #define  CSR_IE         0x80
  51 #define  CSR_IR         0x40
  52 #define  SCSI_IPL(csr)  ((((csr) >> 4) & 3) + 3)
  53 #define  CSR_DMA32      0x08
  54 #define  CSR_DMAIN      0x04
  55 #define  CSR_DE1        0x02
  56 #define  CSR_DE0        0x01
  57
  58 #define HPSCSI_WRAP     0x02
  59 #define  WRAP_REQ       0x80
  60 #define  WRAP_ACK       0x40
  61 #define  WRAP_BSY       0x08
  62 #define  WRAP_MSG       0x04
  63 #define  WRAP_CD        0x02
  64 #define  WRAP_IO        0x01
  65
  66 #define HPSCSI_HCONF    0x03
  67 #define  HCONF_TP       0x80
  68 #define  SCSI_SYNC_XFER(hconf) (((hconf) >> 5) & 3)
  69 #define  HCONF_SD       0x10
  70 #define  HCONF_PARITY   0x08