/*      $NetBSD: hp98265reg.h,v 1.2 2005/12/11 12:17:14 christos Exp $  */

/*
* Copyright (c) 1990, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Van Jacobson of Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)scsireg.h   8.1 (Berkeley) 6/10/93
*/

/*
* HP 98265A SCSI Interface Hardware Description.
*/

#define SPC_OFFSET      32
#define SPC_SIZE        (32 * 2)        /* XXX */

#define HPSCSI_ID       0x00
#define  ID_MASK        0x1f
#define  SCSI_ID        0x07
#define  ID_WORD_DMA    0x20

#define HPSCSI_CSR      0x01
#define  CSR_IE         0x80
#define  CSR_IR         0x40
#define  SCSI_IPL(csr)  ((((csr) >> 4) & 3) + 3)
#define  CSR_DMA32      0x08
#define  CSR_DMAIN      0x04
#define  CSR_DE1        0x02
#define  CSR_DE0        0x01

#define HPSCSI_WRAP     0x02
#define  WRAP_REQ       0x80
#define  WRAP_ACK       0x40
#define  WRAP_BSY       0x08
#define  WRAP_MSG       0x04
#define  WRAP_CD        0x02
#define  WRAP_IO        0x01

#define HPSCSI_HCONF    0x03
#define  HCONF_TP       0x80
#define  SCSI_SYNC_XFER(hconf) (((hconf) >> 5) & 3)
#define  HCONF_SD       0x10
#define  HCONF_PARITY   0x08