mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 14:52:43 +00:00
7ff83a7181
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9381 b3059339-0415-0410-9bf9-f77b7e298cf2
228 lines
9.3 KiB
C
228 lines
9.3 KiB
C
/*
|
|
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)
|
|
|
|
/* 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);
|
|
/*
|
|
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
|