Annotation of sys/dev/ic/bt485reg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: bt485reg.h,v 1.2 2001/04/21 20:03:55 aaron Exp $ */
2: /* $NetBSD: bt485reg.h,v 1.1 1998/04/15 20:16:30 drochner Exp $ */
3:
4: /*
5: * Copyright (c) 1995, 1996 Carnegie-Mellon University.
6: * All rights reserved.
7: *
8: * Author: Chris G. Demetriou
9: *
10: * Permission to use, copy, modify and distribute this software and
11: * its documentation is hereby granted, provided that both the copyright
12: * notice and this permission notice appear in all copies of the
13: * software, derivative works or modified versions, and any portions
14: * thereof, and that both notices appear in supporting documentation.
15: *
16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19: *
20: * Carnegie Mellon requests users of this software to return to
21: *
22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
23: * School of Computer Science
24: * Carnegie Mellon University
25: * Pittsburgh PA 15213-3890
26: *
27: * any improvements or extensions that they make and grant Carnegie the
28: * rights to redistribute these changes.
29: */
30:
31: /*
32: * Register definitions for the Brooktree Bt485A 170MHz Monolithic
33: * CMOS True-Color RAMDAC.
34: */
35:
36:
37: /*
38: * Directly-addressed registers.
39: */
40: #define BT485_REG_PCRAM_WRADDR 0x00
41: #define BT485_REG_PALETTE 0x01
42: #define BT485_REG_PIXMASK 0x02
43: #define BT485_REG_PCRAM_RDADDR 0x03
44: #define BT485_REG_COC_WRADDR 0x04
45: #define BT485_REG_COCDATA 0x05
46: #define BT485_REG_COMMAND_0 0x06
47: #define BT485_REG_COC_RDADDR 0x07
48: #define BT485_REG_COMMAND_1 0x08
49: #define BT485_REG_COMMAND_2 0x09
50: #define BT485_REG_STATUS 0x0a
51: #define BT485_REG_EXTENDED BT485_REG_STATUS
52: #define BT485_REG_CURSOR_RAM 0x0b
53: #define BT485_REG_CURSOR_X_LOW 0x0c
54: #define BT485_REG_CURSOR_X_HIGH 0x0d
55: #define BT485_REG_CURSOR_Y_LOW 0x0e
56: #define BT485_REG_CURSOR_Y_HIGH 0x0f
57:
58: #define BT485_REG_MAX 0x0f
59:
60: #define BT485_IREG_STATUS 0x00
61: #define BT485_IREG_COMMAND_3 0x01
62: #define BT485_IREG_COMMAND_4 0x02
63: #define BT485_IREG_RSA 0x20
64: #define BT485_IREG_GSA 0x21
65: #define BT485_IREG_BSA 0x22
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