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/*
* KON2 - Kanji ON Console -
* Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
*
* 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 TAKASHI MANABE ``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 TERRENCE R. LAMBERT 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.
*
*/
/* vga.h -- definitions used in video drivers */
#ifndef VGA_H
#define VGA_H
/* Sequencer */
#define VGASEQ_ADDR 0x3C4
#define VGASEQ_DATA 0x3C5
#define VGASEQ_CNT 5
/* CRT controller */
/*
#define VGACRT_ADDR 0x3D4
#define VGACRT_DATA 0x3D5
*/
#define CGACRT_ADDR 0x3D4
#define CGACRT_DATA 0x3D5
#define VGACRT_CNT 25
#define CGACRT_CNT 25
/* Graphics controller */
#define VGAGRP_ADDR 0x3CE
#define VGAGRP_DATA 0x3CF
#define VGAGRP_CNT 9
/* Attribute controller */
#define VGAATTR_A_O 0x3C0
#define VGAATTR_DATA 0x3C1
#define VGAATTR_CNT 21
#define EGAATTR_CNT 20
#if defined(linux)
#define GRAPH_BASE 0xA0000
#elif defined(__FreeBSD__)
#define GRAPH_BASE 0x0
#endif
#define FONT_SIZE 0x2000
#define VGA_FONT_SIZE 128
#define VGA_FONT_HEIGHT 16
#define NUM_VIDEOH_INFO 4
#define NUM_VIDEOV_INFO 4
/* DAC Palette */
#define VGAPAL_OADR 0x3C8
#define VGAPAL_IADR 0x3C7
#define VGAPAL_DATA 0x3C9
/* Misc */
#define VGAMISC_IN 0x3CC
#define VGAMISC_OUT 0x3C2
/* Input Stat 1 */
/*#define VGAST1_ADDR 0x3DA*/
#define MAX_PELS 16
struct vgaRegs {
u_char crt[VGACRT_CNT],
att[VGAATTR_CNT],
gra[VGAGRP_CNT],
seq[VGASEQ_CNT],
mis;
};
struct pelRegs {
u_char red[MAX_PELS],
grn[MAX_PELS],
blu[MAX_PELS];
};
union videoTimings {
struct {
int hDot, hStart, hEnd, hTotal;
int vLine, vStart, vEnd, vTotal;
int txmax, tymax, i;
} m;
int v[NUM_VIDEOH_INFO+NUM_VIDEOV_INFO+1];
};
static inline
void VgaOutByte(u_char value)
{
__asm__ ("movb %%al, %%ah\n\t"
"movb $8, %%al\n\t"
"outw %%ax, %w1"
:/* no outputs */
:"a" ((u_char) value),
"d" ((u_short)VGAGRP_ADDR));
}
extern u_int vgaCrtAddr, vgaCrtData, vgaSt1Addr;
extern int LineComp9, LineComp8, gramHead;
extern struct vgaRegs regText, regGraph;
extern struct videoInfo SvgaInfo;
void VgaSetRegisters(struct vgaRegs *regs);
void VgaInit(void);
void VgaTextMode(void);
void VgaGraphMode(void);
void VgaWput(u_char *code, u_char fc, u_char bc);
void VgaSput(u_char *code, u_char fc, u_char bc);
void VgaWputFm(u_char *code, u_char fc, u_char bc);
void VgaSputFm(u_char *code, u_char fc, u_char bc);
void VgaHardScrollUp(int line);
void VgaHardScrollDown(int line);
void VgaSetCursorAddress(struct cursorInfo *ci, u_int x, u_int y);
void VgaSetAddress(u_int p);
void VgaCursor(struct cursorInfo *ci);
void VgaClearAll(void);
void VgaScreenSaver(bool blank);
int VgaReadPels(const char *str);
int VgaReadNewRegs(const char *str, union videoTimings *);
int VgaAttach(void);
void VgaDetach(void);
void VgaDefaultCaps();
void VgaLoadRomFont(char *);
#endif
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