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Diffstat (limited to 'loader/kon2/include/vga.h')
| -rw-r--r-- | loader/kon2/include/vga.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/loader/kon2/include/vga.h b/loader/kon2/include/vga.h new file mode 100644 index 000000000..734c5a700 --- /dev/null +++ b/loader/kon2/include/vga.h @@ -0,0 +1,147 @@ +/* + * 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 |