1 /* $NetBSD: bt485reg.h,v 1.3 2005/12/11 12:21:26 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 /* 31 * Register definitions for the Brooktree Bt485A 170MHz Monolithic 32 * CMOS True-Color RAMDAC. 33 */ 34 35 36 /* 37 * Directly-addressed registers. 38 */ 39 #define BT485_REG_PCRAM_WRADDR 0x00 40 #define BT485_REG_PALETTE 0x01 41 #define BT485_REG_PIXMASK 0x02 42 #define BT485_REG_PCRAM_RDADDR 0x03 43 #define BT485_REG_COC_WRADDR 0x04 44 #define BT485_REG_COCDATA 0x05 45 #define BT485_REG_COMMAND_0 0x06 46 #define BT485_REG_COC_RDADDR 0x07 47 #define BT485_REG_COMMAND_1 0x08 48 #define BT485_REG_COMMAND_2 0x09 49 #define BT485_REG_STATUS 0x0a 50 #define BT485_REG_EXTENDED BT485_REG_STATUS 51 #define BT485_REG_CURSOR_RAM 0x0b 52 #define BT485_REG_CURSOR_X_LOW 0x0c 53 #define BT485_REG_CURSOR_X_HIGH 0x0d 54 #define BT485_REG_CURSOR_Y_LOW 0x0e 55 #define BT485_REG_CURSOR_Y_HIGH 0x0f 56 57 #define BT485_REG_MAX 0x0f 58 59 #define BT485_IREG_STATUS 0x00 60 #define BT485_IREG_COMMAND_3 0x01 61 #define BT485_IREG_COMMAND_4 0x02 62 #define BT485_IREG_RSA 0x20 63 #define BT485_IREG_GSA 0x21 64 #define BT485_IREG_BSA 0x22 65