vgaHW.h revision 03532efdc331b598d3dedc8cc7477641c3b0dd12
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Copyright (c) 1997,1998 The XFree86 Project, Inc.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Loosely based on code bearing the following copyright:
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Author: Dirk Hohndel
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * access macro
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define VGAHWPTR(p) ((vgaHWPtr)((p)->privates[vgaHWGetIndex()].ptr))
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Standard VGA registers */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* default number of VGA registers stored internally */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Flags for vgaHWSave() and vgaHWRestore() */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define VGA_SR_ALL (VGA_SR_MODE | VGA_SR_FONTS | VGA_SR_CMAP)
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Defaults for the VGA memory window */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * vgaRegRec contains settings of standard VGA registers.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef struct {
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync unsigned char DAC[768]; /* Internal Colorlookuptable */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync unsigned char numCRTC; /* number of CRTC registers, def=VGA_NUM_CRTC */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync unsigned char numSequencer; /* number of seq registers, def=VGA_NUM_SEQ */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync unsigned char numGraphics; /* number of gfx registers, def=VGA_NUM_GFX */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync unsigned char numAttribute; /* number of attr registers, def=VGA_NUM_ATTR */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef void (*vgaHWWriteIndexProcPtr) (vgaHWPtr hwp, CARD8 indx, CARD8 value);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef CARD8 (*vgaHWReadIndexProcPtr) (vgaHWPtr hwp, CARD8 indx);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef void (*vgaHWWriteProcPtr) (vgaHWPtr hwp, CARD8 value);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * vgaHWRec contains per-screen information required by the vgahw module.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Note, the palette referred to by the paletteEnabled, enablePalette and
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * disablePalette is the 16-entry (+overscan) EGA-compatible palette accessed
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * via the first 17 attribute registers and not the main 8-bit palette.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef struct _vgaHWRec {
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync unsigned long MapPhys; /* phys location of VGA mem */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync = mmioreg */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync current mode */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Some macros that VGA drivers can use in their ChipProbe() function */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define OVERSCAN 0x11 /* Index of OverScan register */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Flags that define how overscan correction should take place */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define KGA_FIX_OVERSCAN 1 /* overcan correction required */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define KGA_ENABLE_ON_ZERO 2 /* if possible enable display at beginning */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* of next scanline/frame */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define KGA_BE_TOT_DEC 4 /* always fix problem by setting blank end */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* to total - 1 */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define BIT_PLANE 3 /* Which plane we write to in mono mode */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync } while (0)
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Function Prototypes */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef void vgaHWBlankScreenProc(ScrnInfoPtr, Bool);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSetStdFuncs(vgaHWPtr hwp);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSetMmioFuncs(vgaHWPtr hwp, CARD8 *base, int offset);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWProtect(ScrnInfoPtr pScrn, Bool on);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT vgaHWProtectProc *vgaHWProtectWeak(void);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWSaveScreen(ScreenPtr pScreen, int mode);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWBlankScreen(ScrnInfoPtr pScrn, Bool on);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT vgaHWBlankScreenProc *vgaHWBlankScreenWeak(void);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSeqReset(vgaHWPtr hwp, Bool start);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWRestoreFonts(ScrnInfoPtr scrninfp,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWRestoreMode(ScrnInfoPtr scrninfp, vgaRegPtr restore);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWRestoreColormap(ScrnInfoPtr scrninfp,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWRestore(ScrnInfoPtr scrninfp, vgaRegPtr restore,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSaveMode(ScrnInfoPtr scrninfp, vgaRegPtr save);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSaveColormap(ScrnInfoPtr scrninfp, vgaRegPtr save);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWSave(ScrnInfoPtr scrninfp, vgaRegPtr save,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWInit(ScrnInfoPtr scrnp, DisplayModePtr mode);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWSetRegCounts(ScrnInfoPtr scrp, int numCRTC,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWCopyReg(vgaRegPtr dst, vgaRegPtr src);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWGetHWRec(ScrnInfoPtr scrp);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWFreeHWRec(ScrnInfoPtr scrp);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWMapMem(ScrnInfoPtr scrp);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWUnmapMem(ScrnInfoPtr scrp);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWDPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWHandleColormaps(ScreenPtr pScreen);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void vgaHWddc1SetSpeed(ScrnInfoPtr pScrn, xf86ddcSpeed speed);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT CARD32 vgaHWHBlankKGA(DisplayModePtr mode, vgaRegPtr regp,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT CARD32 vgaHWVBlankKGA(DisplayModePtr mode, vgaRegPtr regp,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT Bool vgaHWAllocDefaultRegs(vgaRegPtr regp);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT SaveScreenProcPtr vgaHWSaveScreenWeak(void);
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsyncextern _X_EXPORT void xf86GetClocks(ScrnInfoPtr pScrn, int num,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#endif /* _VGAHW_H */