xref: /netbsd/sys/dev/ic/bt431reg.h (revision bf9ec67e)
1 /* $NetBSD: bt431reg.h,v 1.1 1998/10/28 04:10:37 nisimura Exp $ */
2 
3 /*
4  * Mach Operating System
5  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
6  * All Rights Reserved.
7  *
8  * Permission to use, copy, modify and distribute this software and its
9  * documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
16  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie Mellon
26  * the rights to redistribute these changes.
27  */
28 
29 /*
30  * Register definitions for the Brooktree Bt431 Monolithic CMOS
31  * 64x64 Pixel Cursor Generator.
32  */
33 
34 #define	BT431_REG_COMMAND	0x000
35 #define	BT431_REG_CURSOR_X_LOW	0x001
36 #define	BT431_REG_CURSOR_X_HIGH	0x002
37 #define	BT431_REG_CURSOR_Y_LOW	0x003
38 #define	BT431_REG_CURSOR_Y_HIGH	0x004
39 #define	BT431_REG_WXLO		0x005
40 #define	BT431_REG_WXHI		0x006
41 #define	BT431_REG_WYLO		0x007
42 #define	BT431_REG_WYHI		0x008
43 #define	BT431_REG_WWLO		0x009
44 #define	BT431_REG_WWHI		0x00a
45 #define	BT431_REG_WHLO		0x00b
46 #define	BT431_REG_WHHI		0x00c
47 
48 #define BT431_REG_CRAM_BASE	0x000
49 #define BT431_REG_CRAM_END	0x1ff
50 
51 #define BT431_CMD_CURS_ENABLE	0x40
52 #define BT431_CMD_XHAIR_ENABLE	0x20
53 #define BT431_CMD_OR_CURSORS	0x10
54 #define BT431_CMD_AND_CURSORS	0x00
55 #define BT431_CMD_1_1_MUX	0x00
56 #define BT431_CMD_4_1_MUX	0x04
57 #define BT431_CMD_5_1_MUX	0x08
58 #define BT431_CMD_xxx_MUX	0x0c
59 #define BT431_CMD_THICK_1	0x00
60 #define BT431_CMD_THICK_3	0x01
61 #define BT431_CMD_THICK_5	0x02
62 #define BT431_CMD_THICK_7	0x03
63