/*      $NetBSD: cscreg.h,v 1.2 2008/04/28 20:23:10 martin Exp $        */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Scott Stevens.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

/*
 * Cumana SCSI-2 with FAS216 SCSI interface hardware description.
 */

#ifndef _CSCREG_H_
#define _CSCREG_H_

#include <acorn32/podulebus/sfasvar.h>

typedef volatile unsigned short vu_short;

typedef struct csc_regmap {
        sfas_regmap_t   FAS216;
        vu_char         *status0;
        vu_char         *alatch;
        vu_short        *dack;
} csc_regmap_t;
typedef csc_regmap_t *csc_regmap_p;

/*
 * Register information
 */
#define CSC_STATUS0             0x0000
#define CSC_ALATCH              0x0014
#define CSC_DACK                0x0200
#define CSC_FAS_OFFSET_BASE     0x0300
#define CSC_FAS_OFFSET_TCL      0x00
#define CSC_FAS_OFFSET_TCM      0x04
#define CSC_FAS_OFFSET_FIFO     0x08
#define CSC_FAS_OFFSET_COMMAND  0x0c
#define CSC_FAS_OFFSET_DESTID   0x10
#define CSC_FAS_OFFSET_TIMEOUT  0x14
#define CSC_FAS_OFFSET_PERIOD   0x18
#define CSC_FAS_OFFSET_OFFSET   0x1c
#define CSC_FAS_OFFSET_CONFIG1  0x20
#define CSC_FAS_OFFSET_CLKCONV  0x24
#define CSC_FAS_OFFSET_TEST     0x28
#define CSC_FAS_OFFSET_CONFIG2  0x2c
#define CSC_FAS_OFFSET_CONFIG3  0x30
#define CSC_FAS_OFFSET_TCH      0x38
#define CSC_FAS_OFFSET_FIFOBOT  0x3c

#define CSC_STATUS0_INT         0x01
#define CSC_STATUS0_DREQ        0x02
#define CSC_STATUS0_EDOUT       0x04
#define CSC_STATUS0_LATCHED     0x08

#define CSC_ALATCH_DEFS_P7      0x01
#define CSC_ALATCH_DEFS_INTEN   0x02
#define CSC_ALATCH_DEFS_TERM    0x04
#define CSC_ALATCH_DEFS_RSVD    0x08
#define CSC_ALATCH_DEFS_PROG    0x10
#define CSC_ALATCH_DEFS_DMA32   0x20
#define CSC_ALATCH_DEFS_DMAEN   0x40
#define CSC_ALATCH_DEFS_DMADIR  0x80

#endif