xref: /original-bsd/sys/pmax/dev/cfbreg.h (revision c73f6197)
1 /*-
2  * Copyright (c) 1992, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Ralph Campbell.
7  *
8  * %sccs.include.redist.c%
9  *
10  *	@(#)cfbreg.h	8.1 (Berkeley) 06/10/93
11  */
12 
13 /*
14  * Mach Operating System
15  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
16  * All Rights Reserved.
17  *
18  * Permission to use, copy, modify and distribute this software and its
19  * documentation is hereby granted, provided that both the copyright
20  * notice and this permission notice appear in all copies of the
21  * software, derivative works or modified versions, and any portions
22  * thereof, and that both notices appear in supporting documentation.
23  *
24  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
25  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
26  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
27  *
28  * Carnegie Mellon requests users of this software to return to
29  *
30  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
31  *  School of Computer Science
32  *  Carnegie Mellon University
33  *  Pittsburgh PA 15213-3890
34  *
35  * any improvements or extensions that they make and grant Carnegie the
36  * rights to redistribute these changes.
37  */
38 
39 /*
40  * HISTORY
41  * $Log:	bt459.h,v $
42  * Revision 2.4  91/02/05  17:39:43  mrt
43  * 	Added author notices
44  * 	[91/02/04  11:11:57  mrt]
45  *
46  * 	Changed to use new Mach copyright
47  * 	[91/02/02  12:09:39  mrt]
48  *
49  * Revision 2.3  90/12/05  23:30:26  af
50  * 	Cursor color register are supported, contrary to specs.
51  * 	[90/12/03  23:07:22  af]
52  *
53  * Revision 2.1.1.1  90/11/01  03:36:40  af
54  * 	Created, from Brooktree specs:
55  * 	"Product Databook 1989"
56  * 	"Bt459 135 MHz Monolithic CMOS 256x64 Color Palette RAMDAC"
57  * 	Brooktree Corp. San Diego, CA
58  * 	LA59001 Rev. J
59  * 	[90/09/03            af]
60  */
61 
62 /*
63  *	File: bt459.h
64  * 	Author: Alessandro Forin, Carnegie Mellon University
65  *	Date:	9/90
66  *
67  *	Defines for the bt459 Cursor/RAMDAC chip
68  */
69 
70 typedef struct {
71 	unsigned char	addr_lo;
72 	char						pad0[3];
73 	unsigned char	addr_hi;
74 	char						pad1[3];
75 	unsigned char	addr_reg;
76 	char						pad2[3];
77 	unsigned char	addr_cmap;
78 	char						pad3[3];
79 } bt459_regmap_t;
80 
81 /*
82  * Additional registers addressed indirectly
83  */
84 
85 				/* 0000-00ff Color Map entries */
86 				/* 0100-010f Overlay color regs, unsupp */
87 #define	BT459_REG_CCOLOR_1	0x0181	/* Cursor color regs */
88 #define	BT459_REG_CCOLOR_2	0x0182
89 #define	BT459_REG_CCOLOR_3	0x0183
90 #define	BT459_REG_ID		0x0200	/* read-only, gives "4a" */
91 #define	BT459_REG_CMD0		0x0201
92 #define	BT459_REG_CMD1		0x0202
93 #define	BT459_REG_CMD2		0x0203
94 #define	BT459_REG_PRM		0x0204
95 				/* 0205 reserved */
96 #define	BT459_REG_PBM		0x0206
97 				/* 0207 reserved */
98 #define	BT459_REG_ORM		0x0208
99 #define	BT459_REG_OBM		0x0209
100 #define	BT459_REG_ILV		0x020a
101 #define	BT459_REG_TEST		0x020b
102 #define	BT459_REG_RSIG		0x020c
103 #define	BT459_REG_GSIG		0x020d
104 #define	BT459_REG_BSIG		0x020e
105 				/* 020f-02ff reserved */
106 #define	BT459_REG_CCR		0x0300
107 #define	BT459_REG_CXLO		0x0301
108 #define	BT459_REG_CXHI		0x0302
109 #define	BT459_REG_CYLO		0x0303
110 #define	BT459_REG_CYHI		0x0304
111 #define	BT459_REG_WXLO		0x0305
112 #define	BT459_REG_WXHI		0x0306
113 #define	BT459_REG_WYLO		0x0307
114 #define	BT459_REG_WYHI		0x0308
115 #define	BT459_REG_WWLO		0x0309
116 #define	BT459_REG_WWHI		0x030a
117 #define	BT459_REG_WHLO		0x030b
118 #define	BT459_REG_WHHI		0x030c
119 				/* 030d-03ff reserved */
120 #define BT459_REG_CRAM_BASE	0x0400
121 #define BT459_REG_CRAM_END	0x07ff
122