sys/dev/vme/screg.h

   1 /*      $NetBSD: screg.h,v 1.1 2001/06/11 15:09:54 fredette Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Matthew Fredette.
   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Register map for the Sun2 SCSI Interface (sc)
  34  */
  35
  36 #if __for_reference_only__
  37 struct sunsc_regs {
  38         u_char  sunsc_data;     /* data register */
  39         u_char  sunsc_unused0;
  40         u_char  sunsc_cmd_stat; /* command/status register */
  41         u_char  sunsc_unused1;
  42         u_short sunsc_icr;      /* interface control register */
  43         u_short sunsc_unused2;
  44         u_short sunsc_dma_addr_h;       /* DMA address, high 16 */
  45         u_short sunsc_dma_addr_l;       /* DMA address, low 16 */
  46         u_short sunsc_dma_count;/* DMA count */
  47         u_char  sunsc_unused3;
  48         u_char  sunsc_intvec;   /* interrupt vector (VME only) */
  49 };
  50 #endif
  51
  52 /* Register offsets. */
  53 #define SCREG_DATA              (0)
  54 #define SCREG_CMD_STAT          (2)
  55 #define SCREG_ICR               (4)
  56 #define SCREG_DMA_ADDR_H        (8)
  57 #define SCREG_DMA_ADDR_L        (10)
  58 #define SCREG_DMA_COUNT         (12)
  59 #define SCREG_INTVEC            (15)
  60 #define SCREG_BANK_SZ           (16)
  61