2002-08-22 23:03:51 +00:00
|
|
|
#ifndef __GTF_H
|
|
|
|
|
#define __GTF_H
|
|
|
|
|
|
2005-08-18 12:59:19 +00:00
|
|
|
#include <vbe.h>
|
2002-08-22 23:03:51 +00:00
|
|
|
|
|
|
|
|
#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
|
