sys/arch/acorn32/podulebus/cscreg.h

   1 /*      $NetBSD: cscreg.h,v 1.1 2001/10/05 22:27:55 reinoud Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Scott Stevens.
   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  * Cumana SCSI-2 with FAS216 SCSI interface hardware description.
  34  */
  35
  36 #ifndef _CSCREG_H_
  37 #define _CSCREG_H_
  38
  39 #include <acorn32/podulebus/sfasvar.h>
  40
  41 typedef volatile unsigned short vu_short;
  42
  43 typedef struct csc_regmap {
  44         sfas_regmap_t   FAS216;
  45         vu_char         *status0;
  46         vu_char         *alatch;
  47         vu_short        *dack;
  48 } csc_regmap_t;
  49 typedef csc_regmap_t *csc_regmap_p;
  50
  51 /*
  52  * Register information
  53  */
  54 #define CSC_STATUS0             0x0000
  55 #define CSC_ALATCH              0x0014
  56 #define CSC_DACK                0x0200
  57 #define CSC_FAS_OFFSET_BASE     0x0300
  58 #define CSC_FAS_OFFSET_TCL      0x00
  59 #define CSC_FAS_OFFSET_TCM      0x04
  60 #define CSC_FAS_OFFSET_FIFO     0x08
  61 #define CSC_FAS_OFFSET_COMMAND  0x0c
  62 #define CSC_FAS_OFFSET_DESTID   0x10
  63 #define CSC_FAS_OFFSET_TIMEOUT  0x14
  64 #define CSC_FAS_OFFSET_PERIOD   0x18
  65 #define CSC_FAS_OFFSET_OFFSET   0x1c
  66 #define CSC_FAS_OFFSET_CONFIG1  0x20
  67 #define CSC_FAS_OFFSET_CLKCONV  0x24
  68 #define CSC_FAS_OFFSET_TEST     0x28
  69 #define CSC_FAS_OFFSET_CONFIG2  0x2c
  70 #define CSC_FAS_OFFSET_CONFIG3  0x30
  71 #define CSC_FAS_OFFSET_TCH      0x38
  72 #define CSC_FAS_OFFSET_FIFOBOT  0x3c
  73
  74 #define CSC_STATUS0_INT         0x01
  75 #define CSC_STATUS0_DREQ        0x02
  76 #define CSC_STATUS0_EDOUT       0x04
  77 #define CSC_STATUS0_LATCHED     0x08
  78
  79 #define CSC_ALATCH_DEFS_P7      0x01
  80 #define CSC_ALATCH_DEFS_INTEN   0x02
  81 #define CSC_ALATCH_DEFS_TERM    0x04
  82 #define CSC_ALATCH_DEFS_RSVD    0x08
  83 #define CSC_ALATCH_DEFS_PROG    0x10
  84 #define CSC_ALATCH_DEFS_DMA32   0x20
  85 #define CSC_ALATCH_DEFS_DMAEN   0x40
  86 #define CSC_ALATCH_DEFS_DMADIR  0x80
  87
  88 #endif