#ifndef __GTF_H #define __GTF_H #include <vbe.h> #define GTF_VF 0 #define GTF_HF 1 #define GTF_PF 2 typedef struct { double Vsync_need; /* Number of lines for vert sync (default 3) */ double min_Vsync_BP; /* Minimum vertical sync + back porch (us) (default 550)*/ double min_front_porch; /* Minimum front porch in lines (default 1) */ double char_cell_granularity; /* Character cell granularity in pixels (default 8) */ double margin_width; /* Top/ bottom MARGIN size as % of height (%) (default 1.8) */ double sync_width; /* Sync width percent of line period ( default 8) */ double c; /* Blanking formula offset (default 40)*/ double j; /* Blanking formula scaling factor weight (default 20)*/ double k; /* Blanking formula scaling factor (default 128)*/ double m; /* Blanking formula gradient (default 600)*/ } GTF_constants; //#ifndef __VESA_VBELIB_INCLUDED__ // 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 //#endif void GTF_calcTimings(double X,double Y,double freq, int type, int want_margins, int want_interlace,struct VesaCRTCInfoBlock *result); #endif