72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* $NetBSD: vgareg.h,v 1.9 2005/12/11 12:21:29 christos Exp $ */
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/*
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* Copyright (c) 1998
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* Matthias Drochner. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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struct reg_vgaattr { /* indexed via port 0x3c0 */
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u_int8_t palette[16];
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u_int8_t mode, overscan, colplen, horpixpan;
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u_int8_t colreset, misc;
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};
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#define VGA_ATC_NREGS 21
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#define VGA_ATC_INDEX 0x0
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#define VGA_ATC_DATAW 0x0
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#define VGA_ATC_DATAR 0x1
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#define VGA_ATC_OVERSCAN 0x11
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struct reg_vgats { /* indexed via port 0x3c4 */
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u_int8_t syncreset, mode, wrplmask, fontsel, memmode;
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};
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#define VGA_TS_MODE_BLANK 0x20
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#define VGA_TS_NREGS 5
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#define VGA_TS_INDEX 0x4
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#define VGA_TS_DATA 0x5
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struct reg_vgagdc { /* indexed via port 0x3ce */
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u_int8_t setres, ensetres, colorcomp, rotfunc;
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u_int8_t rdplanesel, mode, misc, colorcare;
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u_int8_t bitmask;
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};
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#define VGA_GDC_NREGS 9
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#define VGA_GDC_INDEX 0xe
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#define VGA_GDC_DATA 0xf
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/*
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* CRTC registers are defined in sys/dev/ic/mc6845reg.h
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*/
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/* video DAC palette registers */
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#define VGA_DAC_PELMASK 0x6
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#define VGA_DAC_STATE 0x7
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#define VGA_DAC_ADDRR 0x7
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#define VGA_DAC_ADDRW 0x8
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#define VGA_DAC_PALETTE 0x9
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/* misc output register */
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#define VGA_MISC_DATAR 0xc
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#define VGA_MISC_DATAW 0x2
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