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cscreg.h revision 1.2 
      1 /*	$NetBSD: cscreg.h,v 1.2 2008/04/28 20:23:10 martin 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
     89