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/* VGAlib version 1.2 - (c) 1993 Tommy Frandsen */
/* */
/* This library is free software; you can redistribute it and/or */
/* modify it without any restrictions. This library is distributed */
/* in the hope that it will be useful, but without any warranty. */
/* Multi-chipset support Copyright (c) 1993 Harm Hanemaayer */
/* partially copyrighted (C) 1993 by Hartmut Schirmer */
#ifndef _DRIVER_H
#define _DRIVER_H
#include <stdio.h>
#include <stdarg.h>
#include "vga.h"
#include "libvga.h"
#include "timing.h"
#include "accel.h"
#include "io.h"
#include "ll/sys/cdefs.h"
__BEGIN_DECLS
#define MAX_REGS 5000 /* VESA needs a lot of storage space */
extern int inrestore;
typedef struct {
void (*savepalette)(unsigned char *red, unsigned char *green, unsigned char *blue);
void (*restorepalette)(const unsigned char *red,
const unsigned char *green, const unsigned char *blue);
int (*setpalette)(int index, int red, int green, int blue);
void (*getpalette)(int index, int *red, int *green, int *blue);
void (*savefont)(void);
void (*restorefont)(void);
int (*screenoff)(void);
int (*screenon)(void);
void (*waitretrace)(void);
} Emulation;
typedef struct {
/* Basic functions. */
int (*saveregs) (unsigned char regs[]);
void (*setregs) (const unsigned char regs[], int mode);
void (*unlock) (void);
void (*lock) (void);
int (*test) (void);
int (*init) (int force, int par1, int par2);
void (*__svgalib_setpage) (int page);
void (*__svgalib_setrdpage) (int page);
void (*__svgalib_setwrpage) (int page);
int (*setmode) (int mode, int prv_mode);
int (*modeavailable) (int mode);
void (*setdisplaystart) (int address);
void (*setlogicalwidth) (int width);
void (*getmodeinfo) (int mode, vga_modeinfo * modeinfo);
/* Obsolete blit functions. */
void (*bitblt) (int srcaddr, int destaddr, int w, int h, int pitch);
void (*imageblt) (void *srcaddr, int destaddr, int w, int h, int pitch);
void (*fillblt) (int destaddr, int w, int h, int pitch, int c);
void (*hlinelistblt) (int ymin, int n, int *xmin, int *xmax, int pitch, int c);
void (*bltwait) (void);
/* Other functions. */
int (*ext_set) (unsigned what, va_list params);
int (*accel) (unsigned operation, va_list params);
int (*linear) (int op, int param);
AccelSpecs *accelspecs;
Emulation *emul;
int (*cursor)(int cmd, int p1, int p2, int p3, int p4, void *p5);
} DriverSpecs;
extern DriverSpecs __svgalib_vga_driverspecs;
extern DriverSpecs __svgalib_neo_driverspecs;
extern DriverSpecs __svgalib_cirrus_driverspecs;
extern DriverSpecs __svgalib_et4000_driverspecs;
extern DriverSpecs __svgalib_tvga8900_driverspecs;
extern DriverSpecs __svgalib_oak_driverspecs;
extern DriverSpecs __svgalib_ega_driverspecs;
extern DriverSpecs __svgalib_s3_driverspecs;
extern DriverSpecs __svgalib_r128_driverspecs;
extern DriverSpecs __svgalib_mach32_driverspecs;
extern DriverSpecs __svgalib_et3000_driverspecs;
extern DriverSpecs __svgalib_gvga6400_driverspecs;
extern DriverSpecs __svgalib_ark_driverspecs;
extern DriverSpecs __svgalib_ati_driverspecs;
extern DriverSpecs __svgalib_ali_driverspecs;
extern DriverSpecs __svgalib_mach64_driverspecs;
extern DriverSpecs __svgalib_chips_driverspecs;
extern DriverSpecs __svgalib_apm_driverspecs;
extern DriverSpecs __svgalib_nv3_driverspecs;
extern DriverSpecs __svgalib_et6000_driverspecs;
extern DriverSpecs __svgalib_vesa_driverspecs;
extern DriverSpecs __svgalib_mx_driverspecs;
extern DriverSpecs __svgalib_paradise_driverspecs;
extern DriverSpecs __svgalib_rage_driverspecs;
extern DriverSpecs __svgalib_banshee_driverspecs;
extern DriverSpecs __svgalib_sis_driverspecs;
extern DriverSpecs __svgalib_i740_driverspecs;
extern DriverSpecs __svgalib_i810_driverspecs;
extern DriverSpecs __svgalib_laguna_driverspecs;
extern DriverSpecs __svgalib_fbdev_driverspecs;
extern DriverSpecs __svgalib_r128_driverspecs;
extern DriverSpecs __svgalib_g400_driverspecs;
extern DriverSpecs __svgalib_savage_driverspecs;
extern DriverSpecs __svgalib_mil_driverspecs;
extern DriverSpecs __svgalib_trident_driverspecs;
extern DriverSpecs __svgalib_rendition_driverspecs;
extern DriverSpecs __svgalib_g450c2_driverspecs;
extern DriverSpecs __svgalib_pm2_driverspecs;
extern DriverSpecs *__svgalib_driverspecs;
extern DriverSpecs *__svgalib_driverspecslist[];
enum {
CHIPSET_SAVEREGS = 0, CHIPSET_SETREGS, CHIPSET_UNLOCK, CHIPSET_LOCK,
CHIPSET_TEST, CHIPSET_INIT, CHIPSET_SETPAGE, CHIPSET_SETRDPAGE,
CHIPSET_SETWRPAGE, CHIPSET_SETMODE,
CHIPSET_MODEAVAILABLE, CHIPSET_SETDISPLAYSTART,
CHIPSET_SETLOGICALWIDTH, CHIPSET_GETMODEINFO,
CHIPSET_BITBLT, CHIPSET_IMAGEBLT, CHIPSET_FILLBLT,
CHIPSET_HLINELISTBLT, CHIPSET_BLTWAIT,
CHIPSET_EXT_SET, CHIPSET_ACCEL, CHIPSET_LINEAR
};
enum {
LINEAR_QUERY_BASE, LINEAR_QUERY_GRANULARITY, LINEAR_QUERY_RANGE,
LINEAR_ENABLE, LINEAR_DISABLE
};
enum { CURSOR_INIT, CURSOR_HIDE, CURSOR_SHOW, CURSOR_POSITION,
CURSOR_SELECT, CURSOR_IMAGE, CURSOR_SAVE
};
typedef struct {
/* refresh ranges in Hz */
unsigned min;
unsigned max;
} RefreshRange;
extern int __svgalib_CRT_I;
extern int __svgalib_CRT_D;
extern int __svgalib_IS1_R;
extern int __svgalib_driver_report; /* driverreport */
extern int __svgalib_videomemoryused; /* videomemoryused */
extern int __svgalib_critical;
extern int __svgalib_chipset;
extern RefreshRange __svgalib_horizsync;
extern RefreshRange __svgalib_vertrefresh;
extern int __svgalib_bandwidth;
extern int __svgalib_grayscale;
extern int __svgalib_modeinfo_linearset;
extern const int __svgalib_max_modes;
void __svgalib_read_options(char **commands, char *(*func) (int ind, int mode, char **nptr));
char *__svgalib_token(char **nptr);
/* ----------------------------------------------------------------------
** A modetable holds a pair of values
** for each mode :
**
** <mode number> <pointer to registers>
**
** the last entry is marked by
**
** <any number> <NULL>
*/
typedef struct {
unsigned short mode_number;
const unsigned char *regs;
} ModeTable;
#define DISABLE_MODE ((unsigned char *)1)
#define OneModeEntry(res) {G##res,g##res##_regs}
#define DisableEntry(res) {G##res,DISABLE_MODE}
#define END_OF_MODE_TABLE { 0, NULL }
extern const unsigned char *__svgalib_mode_in_table(const ModeTable * modes, int mode);
#define LOOKUPMODE __svgalib_mode_in_table
/* ---------------------------------------------------------------------- */
extern int __svgalib_hicolor(int dac_type, int mode);
/* Enters hicolor mode - 0 for no hi, 1 for 15 bit, 2 for 16, 3 for 24 */
/* For any modes it doesn't know about, etc, it attempts to turn hicolor off. */
#define STD_DAC 0
#define HI15_DAC 1
#define HI16_DAC 2
#define TC24_DAC 3
/* ----------------------------------------------------------------------
** regextr.h - extract graphics modes and register information
** from C source file
*/
extern void __svgalib_readmodes(FILE * inp, ModeTable ** modes, int *dac, unsigned *clocks);
__END_DECLS
#endif