/* SVGAlib, Copyright 1993 Harm Hanemaayer */ /* VGAlib version 1.2 - (c) 1993 Tommy Frandsen */ /* partially copyrighted (C) 1993 by Hartmut Schirmer */ /* Internal definitions. */ #ifndef _LIBVGA_H #define _LIBVGA_H #include #include #include "svgaint.h" /* --------------------- Macro definitions shared by library modules */ /* VGA index register ports */ #define CRT_IC 0x3D4 /* CRT Controller Index - color emulation */ #define CRT_IM 0x3B4 /* CRT Controller Index - mono emulation */ #define ATT_IW 0x3C0 /* Attribute Controller Index & Data Write Register */ #define GRA_I 0x3CE /* Graphics Controller Index */ #define SEQ_I 0x3C4 /* Sequencer Index */ #define PEL_IW 0x3C8 /* PEL Write Index */ #define PEL_IR 0x3C7 /* PEL Read Index */ /* VGA data register ports */ #define CRT_DC 0x3D5 /* CRT Controller Data Register - color emulation */ #define CRT_DM 0x3B5 /* CRT Controller Data Register - mono emulation */ #define ATT_R 0x3C1 /* Attribute Controller Data Read Register */ #define GRA_D 0x3CF /* Graphics Controller Data Register */ #define SEQ_D 0x3C5 /* Sequencer Data Register */ #define MIS_R 0x3CC /* Misc Output Read Register */ #define MIS_W 0x3C2 /* Misc Output Write Register */ #define IS1_RC 0x3DA /* Input Status Register 1 - color emulation */ #define IS1_RM 0x3BA /* Input Status Register 1 - mono emulation */ #define PEL_D 0x3C9 /* PEL Data Register */ #define PEL_MSK 0x3C6 /* PEL mask register */ /* 8514/MACH regs we need outside of the mach32 driver.. */ #define PEL8514_D 0x2ED #define PEL8514_IW 0x2EC #define PEL8514_IR 0x2EB #define PEL8514_MSK 0x2EA /* EGA-specific registers */ #define GRA_E0 0x3CC /* Graphics enable processor 0 */ #define GRA_E1 0x3CA /* Graphics enable processor 1 */ /* standard VGA indexes max counts */ #define CRT_C 24 /* 24 CRT Controller Registers */ #define ATT_C 21 /* 21 Attribute Controller Registers */ #define GRA_C 9 /* 9 Graphics Controller Registers */ #define SEQ_C 5 /* 5 Sequencer Registers */ #define MIS_C 1 /* 1 Misc Output Register */ /* VGA registers saving indexes */ #define CRT 0 /* CRT Controller Registers start */ #define ATT (CRT+CRT_C) /* Attribute Controller Registers start */ #define GRA (ATT+ATT_C) /* Graphics Controller Registers start */ #define SEQ (GRA+GRA_C) /* Sequencer Registers */ #define MIS (SEQ+SEQ_C) /* General Registers */ #define EXT (MIS+MIS_C) /* SVGA Extended Registers */ /* Shorthands for chipset (driver) specific calls */ #define chipset_saveregs __svgalib_driverspecs->saveregs #define chipset_setregs __svgalib_driverspecs->setregs #define chipset_unlock __svgalib_driverspecs->unlock #define chipset_test __svgalib_driverspecs->test #define chipset_setpage __svgalib_driverspecs->__svgalib_setpage #define chipset_setmode __svgalib_driverspecs->setmode #define chipset_modeavailable __svgalib_driverspecs->modeavailable #define chipset_getmodeinfo __svgalib_driverspecs->getmodeinfo #define chipset_cursor __svgalib_driverspecs->cursor /* Shorthands for internal variables and functions */ #define CI __svgalib_cur_info #define SM __svgalib_sparse_mem #define GM __svgalib_graph_mem #define CM __svgalib_cur_mode #define VMEM __svgalib_videomemoryused #define DREP __svgalib_driver_report #define CRITICAL __svgalib_critical #define COL __svgalib_cur_color #define CHIPSET __svgalib_chipset #define SCREENON __svgalib_screenon #define MODEX __svgalib_modeX #define MODEFLAGS __svgalib_modeflags #define infotable __svgalib_infotable #define SVGADRV 2 #define STDVGADRV 1 #define STDVGAMODE(mode) (chipset_modeavailable(mode) == STDVGADRV) #define SVGAMODE(mode) (chipset_modeavailable(mode) == SVGADRV) #define GRAPH_BASE 0xA0000 #define FONT_BASE 0xA0000 #define GRAPH_SIZE 0x10000 #define FONT_SIZE (0x2000 * 4) /* 2.0.x kernel can use 2 512 char. fonts */ #define GPLANE16 G640x350x16 /* graphics mode information */ struct vgainfo { int xdim; int ydim; int colors; int xbytes; int bytesperpixel; }; /* --------------------- Variable definitions shared by library modules */ #define BANKED_POINTER __svgalib_banked_pointer #define LINEAR_POINTER __svgalib_linear_pointer #define MMIO_POINTER __svgalib_mmio_pointer extern int __svgalib_CRT_I; /* current CRT index register address */ extern int __svgalib_CRT_D; /* current CRT data register address */ extern int __svgalib_IS1_R; /* current input status register address */ extern uint8_t * BANKED_POINTER, * LINEAR_POINTER; extern uint8_t *MMIO_POINTER; extern uint8_t *SPARSE_MMIO; extern unsigned long __svgalib_banked_mem_base, __svgalib_banked_mem_size; extern unsigned long __svgalib_mmio_base, __svgalib_mmio_size; extern unsigned long __svgalib_linear_mem_base, __svgalib_linear_mem_size; extern unsigned long __svgalib_mmio_base, __svgalib_mmio_size; extern struct vgainfo CI; /* current video parameters */ extern int COL; /* current color */ extern int CM; /* current video mode */ extern struct vgainfo infotable[]; extern int SCREENON; /* screen visible if != 0 */ extern unsigned long __svgalib_graph_base; extern unsigned char *GM; /* graphics memory frame */ extern int MODEX; /* TRUE after vga_setmodeX() */ extern int MODEFLAGS; /* copy of flags of current modeinfo->flags */ extern int __svgalib_mem_fd; extern int __svgalib_tty_fd; extern int __svgalib_nosigint; extern int __svgalib_mouse_fd; extern int __svgalib_kbd_fd; extern int __svgalib_runinbackground; extern int __svgalib_vgacolormode; extern int biosparams, biosparam[16]; extern unsigned char __svgalib_novga; extern unsigned char __svgalib_textprog; extern unsigned char __svgalib_secondary; extern unsigned char __svgalib_emulatepage; extern unsigned char __svgalib_novccontrol; extern unsigned char __svgalib_m_ignore_dx; extern unsigned char __svgalib_m_ignore_dy; extern unsigned char __svgalib_m_ignore_dz; extern char *__joystick_devicenames[4]; extern int __svgalib_cursor_status; /* --------------------- Function definitions shared by library modules */ extern int (*__svgalib_inmisc)(void); extern void (*__svgalib_outmisc)(int); extern int (*__svgalib_incrtc)(int); extern void (*__svgalib_outcrtc)(int,int); extern int (*__svgalib_inseq)(int); extern void (*__svgalib_outseq)(int,int); extern int (*__svgalib_ingra)(int); extern void (*__svgalib_outgra)(int,int); extern int (*__svgalib_inatt)(int); extern void (*__svgalib_outatt)(int,int); extern void (*__svgalib_attscreen)(int); extern void (*__svgalib_inpal)(int,int*,int*,int*); extern void (*__svgalib_outpal)(int,int,int,int); extern int (*__svgalib_inis1)(void); extern int __svgalib_setregs(const unsigned char *regs); extern int __svgalib_saveregs(unsigned char *regs); extern void __svgalib_dumpregs(const unsigned char regs[], int n); extern void __svgalib_get_perm(void); extern int __svgalib_getchipset(void); extern int __svgalib_name2number(char *modename); extern void __svgalib_delay(void); extern int __svgalib_addmode(int xdim, int ydim, int cols, int xbytes, int bytespp); extern void __svgalib_waitvtactive(void); extern void __svgalib_open_devconsole(void); extern void (*__svgalib_mouse_eventhandler) (int, int, int, int, int, int, int); extern void (*__svgalib_keyboard_eventhandler) (int, int); extern void __joystick_flip_vc(int acquire); extern char *__svgalib_TextProg_argv[16]; /* should be enough */ extern char *__svgalib_TextProg; extern int __svgalib_VESA_savebitmap; extern int __svgalib_VESA_textmode; extern unsigned char __svgalib_vesatext; extern int __svgalib_mapkeyname(const char *keyname); extern void __svgalib_mouse_update_keymap(void); extern int __svgalib_vgacolor(void); extern void __svgalib_cursor_restore(void); extern void map_mmio(void); extern void map_mem(void); extern void map_linear(unsigned long, unsigned long); extern void unmap_linear(unsigned long); extern void __svgalib_emul_setpage(int); #if 0 /* remove this part ? */ extern void __svgalib_releasevt_signal(int n); extern void __svgalib_acquirevt_signal(int n); #endif #define gr_readb(off) (((volatile uint8_t *)GM)[(off)]) #define gr_readw(off) (*(volatile uint16_t*)((GM)+(off))) #define gr_readl(off) (*(volatile uint32_t*)((GM)+(off))) #define gr_writeb(v,off) (GM[(off)] = (v)) #define gr_writew(v,off) (*(uint16_t*)((GM)+(off)) = (v)) #define gr_writel(v,off) (*(uint32_t*)((GM)+(off)) = (v)) extern void port_out(int value, int port); extern void port_outw(int value, int port); extern void port_outl(int value, int port); extern void port_rep_outb(unsigned char* string, int length, int port); extern int port_in(int port); extern int port_inw(int port); extern int port_inl(int port); /* Note that the arguments of outb/w are reversed compared with the */ /* kernel sources. The XFree86 drivers also use this format. */ #define port_out_r(port, value) port_out(value, port) #define port_outw_r(port, value) port_outw(value, port) #define port_outl_r(port, value) port_outl(value, port) /* Background things */ extern unsigned char *__svgalib_give_graph_red(void); extern unsigned char *__svgalib_give_graph_green(void); extern unsigned char *__svgalib_give_graph_blue(void); #define zero_sa_mask(maskptr) memset(maskptr, 0, sizeof(sigset_t)) #if 1 #define SVGALIB_ACQUIRE_SIG SIGUSR2 #define SVGALIB_RELEASE_SIG SIGUSR1 #else #define SVGALIB_ACQUIRE_SIG SIGUNUSED #define SVGALIB_RELEASE_SIG SIGPROF #endif //#define DEBUG_TRACE #ifdef DEBUG_TRACE #define DTP(x) fprintf x #else #define DTP(x) #endif #ifdef DEBUG #define DPRINTF(args...) fprintf(stderr, args) #else #define DPRINTF(...) #endif #endif /* _LIBVGA_H */