1*95e1ffb1Schristos /* $NetBSD: mc6845reg.h,v 1.4 2005/12/11 12:21:27 christos Exp $ */ 2b84dbbb3Sdrochner 3b84dbbb3Sdrochner /* 4b84dbbb3Sdrochner * Copyright (c) 1998 5b84dbbb3Sdrochner * Matthias Drochner. All rights reserved. 6b84dbbb3Sdrochner * 7b84dbbb3Sdrochner * Redistribution and use in source and binary forms, with or without 8b84dbbb3Sdrochner * modification, are permitted provided that the following conditions 9b84dbbb3Sdrochner * are met: 10b84dbbb3Sdrochner * 1. Redistributions of source code must retain the above copyright 11b84dbbb3Sdrochner * notice, this list of conditions and the following disclaimer. 12b84dbbb3Sdrochner * 2. Redistributions in binary form must reproduce the above copyright 13b84dbbb3Sdrochner * notice, this list of conditions and the following disclaimer in the 14b84dbbb3Sdrochner * documentation and/or other materials provided with the distribution. 15b84dbbb3Sdrochner * 16b84dbbb3Sdrochner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17b84dbbb3Sdrochner * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18b84dbbb3Sdrochner * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19b84dbbb3Sdrochner * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20b84dbbb3Sdrochner * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21b84dbbb3Sdrochner * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22b84dbbb3Sdrochner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23b84dbbb3Sdrochner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24b84dbbb3Sdrochner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25b84dbbb3Sdrochner * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26b84dbbb3Sdrochner * 27b84dbbb3Sdrochner */ 28b84dbbb3Sdrochner 29b84dbbb3Sdrochner struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */ 30862013bbStsutsui u_int8_t htotal, hdisple, hblanks, hblanke; 31862013bbStsutsui u_int8_t hsyncs, hsynce, vtotal, overfll; 32862013bbStsutsui u_int8_t irowaddr, maxrow, curstart, curend; 33862013bbStsutsui u_int8_t startadrh, startadrl, cursorh, cursorl; 34862013bbStsutsui u_int8_t vsyncs, vsynce, vde, offset; 35862013bbStsutsui u_int8_t uloc, vbstart, vbend, mode; 36862013bbStsutsui u_int8_t splitl; 37b84dbbb3Sdrochner }; 38862013bbStsutsui 39862013bbStsutsui #define MC6845_NREGS 25 40862013bbStsutsui #define MC6845_INDEX 0x4 41862013bbStsutsui #define MC6845_DATA 0x5 42