diff options
Diffstat (limited to 'osdep/vbelib.h')
| -rw-r--r-- | osdep/vbelib.h | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/osdep/vbelib.h b/osdep/vbelib.h deleted file mode 100644 index 31fea72928..0000000000 --- a/osdep/vbelib.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - VESA VBE 2.0 compatible structures and definitions. - You can redistribute this file under terms and conditions - of GNU General Public licence v2. - Written by Nick Kurshev <nickols_k@mail.ru> -*/ -#ifndef __VESA_VBELIB_INCLUDED__ -#define __VESA_VBELIB_INCLUDED__ 1 - -/* Note: every pointer within structures is 32-bit protected mode pointer. - So you don't need to convert it from real mode. */ - -typedef struct tagFarPtr -{ - unsigned short off; - unsigned short seg; -}FarPtr; - -#define VBE_DAC_8BIT (1 << 0) -#define VBE_NONVGA_CRTC (1 << 1) -#define VBE_SNOWED_RAMDAC (1 << 2) -#define VBE_STEREOSCOPIC (1 << 3) -#define VBE_STEREO_EVC (1 << 4) - -struct VbeInfoBlock { - char VESASignature[4]; /* 'VESA' 4 byte signature */ - short VESAVersion; /* VBE version number */ - char * OemStringPtr; /* Pointer to OEM string */ - long Capabilities; /* Capabilities of video card */ - unsigned short* VideoModePtr; /* Pointer to supported modes */ - short TotalMemory; /* Number of 64kb memory blocks */ - /* VBE 2.0 and above */ - short OemSoftwareRev; - char * OemVendorNamePtr; - char * OemProductNamePtr; - char * OemProductRevPtr; - char reserved[222]; - char OemData[256]; /* Pad to 512 byte block size */ -}__attribute__ ((packed)); - -static inline FarPtr VirtToPhys(void *ptr) -{ - FarPtr retval; - retval.seg = ((unsigned long)ptr) >> 4; - retval.off = ((unsigned long)ptr) & 0x0f; - return retval; -} - -static inline unsigned short VirtToPhysSeg(void *ptr) -{ - return ((unsigned long)ptr) >> 4; -} - -static inline unsigned short VirtToPhysOff(void *ptr) -{ - return ((unsigned long)ptr) & 0x0f; -} - -static inline void * PhysToVirt(FarPtr ptr) -{ - return (void *)((ptr.seg << 4) | ptr.off); -} - -static inline void * PhysToVirtSO(unsigned short seg,unsigned short off) -{ - return (void *)((seg << 4) | off); -} - -#define MODE_ATTR_MODE_SUPPORTED (1 << 0) -#define MODE_ATTR_TTY (1 << 2) -#define MODE_ATTR_COLOR (1 << 3) -#define MODE_ATTR_GRAPHICS (1 << 4) -#define MODE_ATTR_NOT_VGA (1 << 5) -#define MODE_ATTR_NOT_WINDOWED (1 << 6) -#define MODE_ATTR_LINEAR (1 << 7) -#define MODE_ATTR_DOUBLESCAN (1 << 8) -#define MODE_ATTR_INTERLACE (1 << 9) -#define MODE_ATTR_TRIPLEBUFFER (1 << 10) -#define MODE_ATTR_STEREOSCOPIC (1 << 11) -#define MODE_ATTR_DUALDISPLAY (1 << 12) - -#define MODE_WIN_RELOCATABLE (1 << 0) -#define MODE_WIN_READABLE (1 << 1) -#define MODE_WIN_WRITEABLE (1 << 2) -#define NEO_PAL 0 -#define NEO_NTSC 1 - -/* SuperVGA mode information block */ -struct VesaModeInfoBlock { - unsigned short ModeAttributes; /* 00: Mode attributes */ - unsigned char WinAAttributes; /* 02: Window A attributes */ - unsigned char WinBAttributes; /* 03: Window B attributes */ - unsigned short WinGranularity; /* 04: Window granularity in k */ - unsigned short WinSize; /* 06: Window size in k */ - unsigned short WinASegment; /* 08: Window A segment */ - unsigned short WinBSegment; /* 0A: Window B segment */ - FarPtr WinFuncPtr; /* 0C: 16-bit far pointer to window function */ - unsigned short BytesPerScanLine; /* 10: Bytes per scanline */ - /* VBE 1.2 and above */ - unsigned short XResolution; /* 12: Horizontal resolution */ - unsigned short YResolution; /* 14: Vertical resolution */ - unsigned char XCharSize; /* 16: Character cell width */ - unsigned char YCharSize; /* 17: Character cell height */ - unsigned char NumberOfPlanes; /* 18: Number of memory planes */ - unsigned char BitsPerPixel; /* 19: Bits per pixel */ - unsigned char NumberOfBanks; /* 1A: Number of CGA style banks */ - unsigned char MemoryModel; /* 1B: Memory model type */ - unsigned char BankSize; /* 1C: Size of CGA style banks */ - unsigned char NumberOfImagePages; /* 1D: Number of images pages */ - unsigned char res1; /* 1E: Reserved */ - /* Direct Color fields (required for direct/6 and YUV/7 memory models) */ - unsigned char RedMaskSize; /* 1F: Size of direct color red mask */ - unsigned char RedFieldPosition; /* 20: Bit posn of lsb of red mask */ - unsigned char GreenMaskSize; /* 21: Size of direct color green mask */ - unsigned char GreenFieldPosition; /* 22: Bit posn of lsb of green mask */ - unsigned char BlueMaskSize; /* 23: Size of direct color blue mask */ - unsigned char BlueFieldPosition; /* 24: Bit posn of lsb of blue mask */ - unsigned char RsvdMaskSize; /* 25: Size of direct color res mask */ - unsigned char RsvdFieldPosition; /* 26: Bit posn of lsb of res mask */ - unsigned char DirectColorModeInfo; /* 27: Direct color mode attributes */ - /* VBE 2.0 and above */ - unsigned long PhysBasePtr; /* 28: physical address for flat memory frame buffer. (Should be converted to linear before using) */ - unsigned short res3[3]; /* 2C: Reserved - always set to 0 */ - /* VBE 3.0 and above */ - unsigned short LinBytesPerScanLine; /* 32: bytes per scan line for linear modes */ - unsigned char BnkNumberOfImagePages;/* 34: number of images for banked modes */ - unsigned char LinNumberOfImagePages;/* 35: number of images for linear modes */ - unsigned char LinRedMaskSize; /* 36: size of direct color red mask (linear modes) */ - unsigned char LinRedFieldPosition; /* 37: bit position of lsb of red mask (linear modes) */ - unsigned char LinGreenMaskSize; /* 38: size of direct color green mask (linear modes) */ - unsigned char LinGreenFieldPosition;/* 39: bit position of lsb of green mask (linear modes) */ - unsigned char LinBlueMaskSize; /* 40: size of direct color blue mask (linear modes) */ - unsigned char LinBlueFieldPosition; /* 41: bit position of lsb of blue mask (linear modes) */ - unsigned char LinRsvdMaskSize; /* 42: size of direct color reserved mask (linear modes) */ - unsigned char LinRsvdFieldPosition; /* 43: bit position of lsb of reserved mask (linear modes) */ - unsigned long MaxPixelClock; /* 44: maximum pixel clock (in Hz) for graphics mode */ - char res4[189]; /* 48: remainder of ModeInfoBlock */ -}__attribute__ ((packed)); - -typedef enum { - memText= 0, - memCGA = 1, - memHercules = 2, - memPL = 3, /* Planar memory model */ - memPK = 4, /* Packed pixel memory model */ - mem256 = 5, - memRGB = 6, /* Direct color RGB memory model */ - memYUV = 7, /* Direct color YUV memory model */ -} memModels; - -struct VesaCRTCInfoBlock { - unsigned short hTotal; /* Horizontal total in pixels */ - unsigned short hSyncStart; /* Horizontal sync start in pixels */ - unsigned short hSyncEnd; /* Horizontal sync end in pixels */ - unsigned short vTotal; /* Vertical total in lines */ - unsigned short vSyncStart; /* Vertical sync start in lines */ - unsigned short vSyncEnd; /* Vertical sync end in lines */ - unsigned char Flags; /* Flags (Interlaced, Double Scan etc) */ - unsigned long PixelClock; /* Pixel clock in units of Hz */ - unsigned short RefreshRate;/* Refresh rate in units of 0.01 Hz*/ - unsigned char Reserved[40];/* remainder of CRTCInfoBlock*/ -}__attribute__ ((packed)); - -#define VESA_CRTC_DOUBLESCAN 0x01 -#define VESA_CRTC_INTERLACED 0x02 -#define VESA_CRTC_HSYNC_NEG 0x04 -#define VESA_CRTC_VSYNC_NEG 0x08 - -#define VESA_MODE_CRTC_REFRESH (1 << 11) -#define VESA_MODE_USE_LINEAR (1 << 14) -#define VESA_MODE_NOT_CLEAR (1 << 15) - -/* This will contain accesible 32-bit protmode pointers */ -struct VesaProtModeInterface -{ - void (*SetWindowCall)(void); - void (*SetDisplayStart)(void); - void (*SetPaletteData)(void); - unsigned short * iopl_ports; -}; - -/* - All functions below return: - 0 if succesful - 0xffff if vm86 syscall error occurs - 0x4fxx if VESA error occurs -*/ - -#define VBE_OK 0 -#define VBE_VM86_FAIL -1 -#define VBE_OUT_OF_DOS_MEM -2 -#define VBE_OUT_OF_MEM -3 -#define VBE_BROKEN_BIOS -4 -#define VBE_VESA_ERROR_MASK 0x004f -#define VBE_VESA_ERRCODE_MASK 0xff00 - -extern int vbeInit( void ); -extern int vbeDestroy( void ); - -extern int vbeGetControllerInfo(struct VbeInfoBlock *); -extern int vbeGetModeInfo(unsigned mode,struct VesaModeInfoBlock *); -extern int vbeSetMode(unsigned mode,struct VesaCRTCInfoBlock *); -extern int vbeGetMode(unsigned *mode); -extern int vbeGetPixelClock(unsigned *mode,unsigned *pixel_clock); -extern int vbeSaveState(void **data); /* note never copy this data */ -extern int vbeRestoreState(void *data); -extern int vbeGetWindow(unsigned *win_num); /* win_A=0 or win_B=1 */ -extern int vbeSetWindow(unsigned win_num,unsigned win_gran); -extern int vbeGetScanLineLength(unsigned *num_pixels,unsigned *num_bytes); -extern int vbeGetMaxScanLines(unsigned *num_pixels,unsigned *num_bytes, unsigned *num_lines); -extern int vbeSetScanLineLength(unsigned num_pixels); -extern int vbeSetScanLineLengthB(unsigned num_bytes); -extern int vbeGetDisplayStart(unsigned *pixel_num,unsigned *scan_line); -extern int vbeSetDisplayStart(unsigned long offset, int vsync); -extern int vbeSetScheduledDisplayStart(unsigned long offset, int vsync); -extern int vbeSetTV(unsigned int vesa_mode,unsigned int TV_mode); -/* - Func 0x08-0x09: - Support of palette currently is not implemented. -*/ -extern int vbeGetProtModeInfo(struct VesaProtModeInterface *); - -/* Standard VGA stuff */ -int vbeWriteString(int x, int y, int attr, char *str); - -/* Misc stuff (For portability only) */ -void * vbeMapVideoBuffer(unsigned long phys_addr,unsigned long size); -void vbeUnmapVideoBuffer(unsigned long linear_addr,unsigned long size); - -#endif |