72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* $NetBSD: vgareg.h,v 1.8 2004/07/29 22:29:37 jmmv Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998
|
|
* Matthias Drochner. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
struct reg_vgaattr { /* indexed via port 0x3c0 */
|
|
u_int8_t palette[16];
|
|
u_int8_t mode, overscan, colplen, horpixpan;
|
|
u_int8_t colreset, misc;
|
|
};
|
|
#define VGA_ATC_NREGS 21
|
|
#define VGA_ATC_INDEX 0x0
|
|
#define VGA_ATC_DATAW 0x0
|
|
#define VGA_ATC_DATAR 0x1
|
|
#define VGA_ATC_OVERSCAN 0x11
|
|
|
|
struct reg_vgats { /* indexed via port 0x3c4 */
|
|
u_int8_t syncreset, mode, wrplmask, fontsel, memmode;
|
|
};
|
|
#define VGA_TS_MODE_BLANK 0x20
|
|
|
|
#define VGA_TS_NREGS 5
|
|
#define VGA_TS_INDEX 0x4
|
|
#define VGA_TS_DATA 0x5
|
|
|
|
struct reg_vgagdc { /* indexed via port 0x3ce */
|
|
u_int8_t setres, ensetres, colorcomp, rotfunc;
|
|
u_int8_t rdplanesel, mode, misc, colorcare;
|
|
u_int8_t bitmask;
|
|
};
|
|
#define VGA_GDC_NREGS 9
|
|
#define VGA_GDC_INDEX 0xe
|
|
#define VGA_GDC_DATA 0xf
|
|
|
|
/*
|
|
* CRTC registers are defined in sys/dev/ic/mc6845reg.h
|
|
*/
|
|
|
|
/* video DAC palette registers */
|
|
#define VGA_DAC_PELMASK 0x6
|
|
#define VGA_DAC_STATE 0x7
|
|
#define VGA_DAC_ADDRR 0x7
|
|
#define VGA_DAC_ADDRW 0x8
|
|
#define VGA_DAC_PALETTE 0x9
|
|
|
|
/* misc output register */
|
|
#define VGA_MISC_DATAR 0xc
|
|
#define VGA_MISC_DATAW 0x2
|