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 66