xref: /netbsd/sys/arch/acorn32/podulebus/cscreg.h (revision bf9ec67e)
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Cumana SCSI-2 with FAS216 SCSI interface hardware description.
41  */
42 
43 #ifndef _CSCREG_H_
44 #define _CSCREG_H_
45 
46 #include <acorn32/podulebus/sfasvar.h>
47 
48 typedef volatile unsigned short vu_short;
49 
50 typedef struct csc_regmap {
51 	sfas_regmap_t	FAS216;
52 	vu_char		*status0;
53 	vu_char		*alatch;
54 	vu_short	*dack;
55 } csc_regmap_t;
56 typedef csc_regmap_t *csc_regmap_p;
57 
58 /*
59  * Register information
60  */
61 #define CSC_STATUS0		0x0000
62 #define CSC_ALATCH		0x0014
63 #define CSC_DACK		0x0200
64 #define CSC_FAS_OFFSET_BASE	0x0300
65 #define CSC_FAS_OFFSET_TCL	0x00
66 #define CSC_FAS_OFFSET_TCM	0x04
67 #define CSC_FAS_OFFSET_FIFO	0x08
68 #define CSC_FAS_OFFSET_COMMAND	0x0c
69 #define CSC_FAS_OFFSET_DESTID	0x10
70 #define CSC_FAS_OFFSET_TIMEOUT	0x14
71 #define CSC_FAS_OFFSET_PERIOD	0x18
72 #define CSC_FAS_OFFSET_OFFSET	0x1c
73 #define CSC_FAS_OFFSET_CONFIG1	0x20
74 #define CSC_FAS_OFFSET_CLKCONV	0x24
75 #define CSC_FAS_OFFSET_TEST	0x28
76 #define CSC_FAS_OFFSET_CONFIG2	0x2c
77 #define CSC_FAS_OFFSET_CONFIG3	0x30
78 #define CSC_FAS_OFFSET_TCH	0x38
79 #define CSC_FAS_OFFSET_FIFOBOT	0x3c
80 
81 #define CSC_STATUS0_INT		0x01
82 #define CSC_STATUS0_DREQ	0x02
83 #define CSC_STATUS0_EDOUT	0x04
84 #define CSC_STATUS0_LATCHED	0x08
85 
86 #define CSC_ALATCH_DEFS_P7	0x01
87 #define CSC_ALATCH_DEFS_INTEN	0x02
88 #define CSC_ALATCH_DEFS_TERM	0x04
89 #define CSC_ALATCH_DEFS_RSVD	0x08
90 #define CSC_ALATCH_DEFS_PROG	0x10
91 #define CSC_ALATCH_DEFS_DMA32	0x20
92 #define CSC_ALATCH_DEFS_DMAEN	0x40
93 #define CSC_ALATCH_DEFS_DMADIR	0x80
94 
95 #endif
96