xref: /netbsd-src/sys/arch/acorn32/podulebus/cscreg.h (revision ce099b40997c43048fb78bd578195f81d2456523)
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