xf86.h

/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

/*
 * This file contains declarations for public XFree86 functions and variables,
 * and definitions of public macros.
 *
 * "public" means available to video drivers.
 */

#ifndef _XF86_H
#define _XF86_H

#if HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#elif HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "xf86str.h"
#include "xf86Opt.h"
#include <X11/Xfuncproto.h>
#include <stdarg.h>
#ifdef RANDR
#include <X11/extensions/randr.h>
#endif

#include "propertyst.h"

/* General parameters */
extern _X_EXPORT int xf86DoConfigure;
extern _X_EXPORT int xf86DoShowOptions;
extern _X_EXPORT Bool xf86DoConfigurePass1;

extern _X_EXPORT DevPrivateKeyRec xf86ScreenKeyRec;
#define xf86ScreenKey (&xf86ScreenKeyRec)

extern _X_EXPORT DevPrivateKeyRec xf86CreateRootWindowKeyRec;
#define xf86CreateRootWindowKey (&xf86CreateRootWindowKeyRec)

extern _X_EXPORT ScrnInfoPtr *xf86Screens;	/* List of pointers to ScrnInfoRecs */
extern _X_EXPORT const unsigned char byte_reversed[256];
extern _X_EXPORT Bool fbSlotClaimed;
#if (defined(__sparc__) || defined(__sparc)) && !defined(__OpenBSD__)
extern _X_EXPORT Bool sbusSlotClaimed;
#endif
extern _X_EXPORT confDRIRec xf86ConfigDRI;
extern _X_EXPORT Bool xf86DRI2Enabled(void);

extern _X_EXPORT Bool VTSwitchEnabled;	/* kbd driver */

#define XF86SCRNINFO(p) ((ScrnInfoPtr)dixLookupPrivate(&(p)->devPrivates, \
						       xf86ScreenKey))
#define XF86FLIP_PIXELS() \
	do { \
	    if (xf86GetFlipPixels()) { \
		pScreen->whitePixel = (pScreen->whitePixel) ? 0 : 1; \
		pScreen->blackPixel = (pScreen->blackPixel) ? 0 : 1; \
	   } \
	while (0)

#define BOOLTOSTRING(b) ((b) ? "TRUE" : "FALSE")

#define PIX24TOBPP(p) (((p) == Pix24Use24) ? 24 : \
			(((p) == Pix24Use32) ? 32 : 0))

/* Function Prototypes */
#ifndef _NO_XF86_PROTOTYPES

/* PCI related */
#ifdef XSERVER_LIBPCIACCESS
#include <pciaccess.h>
extern _X_EXPORT Bool pciSlotClaimed;

extern _X_EXPORT Bool xf86CheckPciSlot(const struct pci_device *);
extern _X_EXPORT int xf86ClaimPciSlot(struct pci_device *, DriverPtr drvp,
                                      int chipset, GDevPtr dev, Bool active);
extern _X_EXPORT void xf86UnclaimPciSlot(struct pci_device *);
extern _X_EXPORT Bool xf86ParsePciBusString(const char *busID, int *bus,
                                            int *device, int *func);
extern _X_EXPORT Bool xf86ComparePciBusString(const char *busID, int bus,
                                              int device, int func);
extern _X_EXPORT void xf86FormatPciBusNumber(int busnum, char *buffer);
extern _X_EXPORT Bool xf86IsPrimaryPci(struct pci_device * pPci);
extern _X_EXPORT Bool xf86CheckPciMemBase(struct pci_device * pPci,
                                          memType base);
extern _X_EXPORT struct pci_device * xf86GetPciInfoForEntity(int entityIndex);
extern _X_EXPORT int xf86MatchPciInstances(const char *driverName,
        int vendorID, SymTabPtr chipsets, PciChipsets *PCIchipsets,
        GDevPtr *devList, int numDevs, DriverPtr drvp, int **foundEntities);
extern _X_EXPORT ScrnInfoPtr xf86ConfigPciEntity(ScrnInfoPtr pScrn,
        int scrnFlag, int entityIndex,PciChipsets *p_chip, void *dummy,
        EntityProc init, EntityProc enter, EntityProc leave, pointer private);
/* Obsolete! don't use */
extern _X_EXPORT Bool xf86ConfigActivePciEntity(ScrnInfoPtr pScrn,
        int entityIndex,PciChipsets *p_chip, void *dummy, EntityProc init,
        EntityProc enter, EntityProc leave, pointer private);
#else
#define xf86VGAarbiterInit() do {} while (0)
#define xf86VGAarbiterFini() do {} while (0)
#define xf86VGAarbiterLock(x) do {} while (0)
#define xf86VGAarbiterUnlock(x) do {} while (0)
#define xf86VGAarbiterScrnInit(x) do {} while (0)
#define xf86VGAarbiterDeviceDecodes() do {} while (0)
#define xf86VGAarbiterWrapFunctions() do {} while (0)
#endif

/* xf86Bus.c */

extern _X_EXPORT int  xf86GetFbInfoForScreen(int scrnIndex);
extern _X_EXPORT int xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active);
extern _X_EXPORT int xf86ClaimNoSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active);
extern _X_EXPORT Bool xf86DriverHasEntities(DriverPtr drvp);
extern _X_EXPORT void xf86AddEntityToScreen(ScrnInfoPtr pScrn, int entityIndex);
extern _X_EXPORT void xf86SetEntityInstanceForScreen(ScrnInfoPtr pScrn, int entityIndex,
				    int instance);
extern _X_EXPORT int xf86GetNumEntityInstances(int entityIndex);
extern _X_EXPORT GDevPtr xf86GetDevFromEntity(int entityIndex, int instance);
extern _X_EXPORT void xf86RemoveEntityFromScreen(ScrnInfoPtr pScrn, int entityIndex);
extern _X_EXPORT EntityInfoPtr xf86GetEntityInfo(int entityIndex);
extern _X_EXPORT Bool xf86SetEntityFuncs(int entityIndex, EntityProc init,
			EntityProc enter, EntityProc leave, pointer);
extern _X_EXPORT Bool xf86IsEntityPrimary(int entityIndex);
extern _X_EXPORT ScrnInfoPtr xf86FindScreenForEntity(int entityIndex);

extern _X_EXPORT int xf86GetLastScrnFlag(int entityIndex);
extern _X_EXPORT void xf86SetLastScrnFlag(int entityIndex, int scrnIndex);
extern _X_EXPORT Bool xf86IsEntityShared(int entityIndex);
extern _X_EXPORT void xf86SetEntityShared(int entityIndex);
extern _X_EXPORT Bool xf86IsEntitySharable(int entityIndex);
extern _X_EXPORT void xf86SetEntitySharable(int entityIndex);
extern _X_EXPORT Bool xf86IsPrimInitDone(int entityIndex);
extern _X_EXPORT void xf86SetPrimInitDone(int entityIndex);
extern _X_EXPORT void xf86ClearPrimInitDone(int entityIndex);
extern _X_EXPORT int xf86AllocateEntityPrivateIndex(void);
extern _X_EXPORT DevUnion *xf86GetEntityPrivate(int entityIndex, int privIndex);

/* xf86Configure.c */
extern _X_EXPORT GDevPtr xf86AddBusDeviceToConfigure(const char *driver, BusType bus,
				    void *busData, int chipset);

/* xf86Cursor.c */

extern _X_EXPORT void xf86LockZoom(ScreenPtr pScreen, int lock);
extern _X_EXPORT void xf86InitViewport(ScrnInfoPtr pScr);
extern _X_EXPORT void xf86SetViewport(ScreenPtr pScreen, int x, int y);
extern _X_EXPORT void xf86ZoomViewport(ScreenPtr pScreen, int zoom);
extern _X_EXPORT Bool xf86SwitchMode(ScreenPtr pScreen, DisplayModePtr mode);
extern _X_EXPORT void *xf86GetPointerScreenFuncs(void);
extern _X_EXPORT void xf86InitOrigins(void);
extern _X_EXPORT void xf86ReconfigureLayout(void);

/* xf86cvt.c */
extern _X_EXPORT DisplayModePtr xf86CVTMode(int HDisplay, int VDisplay, float VRefresh,
                           Bool Reduced, Bool Interlaced);

/* xf86DPMS.c */

extern _X_EXPORT Bool xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set, int flags);

#ifdef DPMSExtension
extern _X_EXPORT int DPMSSet(ClientPtr client, int level);
extern _X_EXPORT Bool DPMSSupported(void);
#endif


/* xf86DGA.c */

#ifdef XFreeXDGA
extern _X_EXPORT Bool DGAInit(ScreenPtr pScreen, DGAFunctionPtr funcs, DGAModePtr modes,
			int num);
extern _X_EXPORT Bool DGAReInitModes(ScreenPtr pScreen, DGAModePtr modes, int num);
extern _X_EXPORT xf86SetDGAModeProc xf86SetDGAMode;
#endif

/* xf86Events.c */

extern _X_EXPORT void SetTimeSinceLastInputEvent(void);
extern _X_EXPORT pointer xf86AddInputHandler(int fd, InputHandlerProc proc, pointer data);
extern _X_EXPORT int xf86RemoveInputHandler(pointer handler);
extern _X_EXPORT void xf86DisableInputHandler(pointer handler);
extern _X_EXPORT void xf86EnableInputHandler(pointer handler);
extern _X_EXPORT pointer xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data);
extern _X_EXPORT int xf86RemoveGeneralHandler(pointer handler);
extern _X_EXPORT void xf86DisableGeneralHandler(pointer handler);
extern _X_EXPORT void xf86EnableGeneralHandler(pointer handler);
extern _X_EXPORT InputHandlerProc xf86SetConsoleHandler(InputHandlerProc handler, pointer data);
extern _X_EXPORT void xf86InterceptSignals(int *signo);
extern _X_EXPORT void xf86InterceptSigIll(void (*sigillhandler)(void));
extern _X_EXPORT Bool xf86EnableVTSwitch(Bool new);
extern _X_EXPORT void xf86ProcessActionEvent(ActionEvent action, void *arg);
extern _X_EXPORT void xf86PrintBacktrace(void);

/* xf86Helper.c */

extern _X_EXPORT void xf86AddDriver(DriverPtr driver, pointer module, int flags);
extern _X_EXPORT void xf86DeleteDriver(int drvIndex);
extern _X_EXPORT ScrnInfoPtr xf86AllocateScreen(DriverPtr drv, int flags);
extern _X_EXPORT void xf86DeleteScreen(int scrnIndex, int flags);
extern _X_EXPORT int xf86AllocateScrnInfoPrivateIndex(void);
extern _X_EXPORT Bool xf86AddPixFormat(ScrnInfoPtr pScrn, int depth, int bpp, int pad);
extern _X_EXPORT Bool xf86SetDepthBpp(ScrnInfoPtr scrp, int depth, int bpp, int fbbpp,
		     int depth24flags);
extern _X_EXPORT void xf86PrintDepthBpp(ScrnInfoPtr scrp);
extern _X_EXPORT Bool xf86SetWeight(ScrnInfoPtr scrp, rgb weight, rgb mask);
extern _X_EXPORT Bool xf86SetDefaultVisual(ScrnInfoPtr scrp, int visual);
extern _X_EXPORT Bool xf86SetGamma(ScrnInfoPtr scrp, Gamma newGamma);
extern _X_EXPORT void xf86SetDpi(ScrnInfoPtr pScrn, int x, int y);
extern _X_EXPORT void xf86SetBlackWhitePixels(ScreenPtr pScreen);
extern _X_EXPORT void xf86EnableDisableFBAccess(int scrnIndex, Bool enable);
extern _X_EXPORT void xf86VDrvMsgVerb(int scrnIndex, MessageType type, int verb,
		     const char *format, va_list args);
extern _X_EXPORT void xf86DrvMsgVerb(int scrnIndex, MessageType type, int verb,
		    const char *format, ...) _X_ATTRIBUTE_PRINTF(4,5);
extern _X_EXPORT void xf86DrvMsg(int scrnIndex, MessageType type, const char *format, ...)
		_X_ATTRIBUTE_PRINTF(3,4);
extern _X_EXPORT void xf86MsgVerb(MessageType type, int verb, const char *format, ...)
		_X_ATTRIBUTE_PRINTF(3,4);
extern _X_EXPORT void xf86Msg(MessageType type, const char *format, ...) _X_ATTRIBUTE_PRINTF(2,3);
extern _X_EXPORT void xf86ErrorFVerb(int verb, const char *format, ...) _X_ATTRIBUTE_PRINTF(2,3);
extern _X_EXPORT void xf86ErrorF(const char *format, ...) _X_ATTRIBUTE_PRINTF(1,2);
extern _X_EXPORT const char *xf86TokenToString(SymTabPtr table, int token);
extern _X_EXPORT int xf86StringToToken(SymTabPtr table, const char *string);
extern _X_EXPORT void xf86ShowClocks(ScrnInfoPtr scrp, MessageType from);
extern _X_EXPORT void xf86PrintChipsets(const char *drvname, const char *drvmsg,
		       SymTabPtr chips);
extern _X_EXPORT int xf86MatchDevice(const char *drivername, GDevPtr **driversectlist);
extern _X_EXPORT const char *xf86GetVisualName(int visual);
extern _X_EXPORT int xf86GetVerbosity(void);
extern _X_EXPORT Pix24Flags xf86GetPix24(void);
extern _X_EXPORT int xf86GetDepth(void);
extern _X_EXPORT rgb xf86GetWeight(void);
extern _X_EXPORT Gamma xf86GetGamma(void);
extern _X_EXPORT Bool xf86GetFlipPixels(void);
extern _X_EXPORT const char *xf86GetServerName(void);
extern _X_EXPORT Bool xf86ServerIsExiting(void);
extern _X_EXPORT Bool xf86ServerIsResetting(void);
extern _X_EXPORT Bool xf86ServerIsInitialising(void);
extern _X_EXPORT Bool xf86ServerIsOnlyDetecting(void);
extern _X_EXPORT Bool xf86CaughtSignal(void);
extern _X_EXPORT Bool xf86GetVidModeAllowNonLocal(void);
extern _X_EXPORT Bool xf86GetVidModeEnabled(void);
extern _X_EXPORT Bool xf86GetModInDevAllowNonLocal(void);
extern _X_EXPORT Bool xf86GetModInDevEnabled(void);
extern _X_EXPORT Bool xf86GetAllowMouseOpenFail(void);
extern _X_EXPORT void xf86DisableRandR(void);
extern _X_EXPORT CARD32 xorgGetVersion(void);
extern _X_EXPORT CARD32 xf86GetModuleVersion(pointer module);
extern _X_EXPORT pointer xf86LoadDrvSubModule(DriverPtr drv, const char *name);
extern _X_EXPORT pointer xf86LoadSubModule(ScrnInfoPtr pScrn, const char *name);
extern _X_EXPORT pointer xf86LoadOneModule(char *name, pointer optlist);
extern _X_EXPORT void xf86UnloadSubModule(pointer mod);
extern _X_EXPORT Bool xf86LoaderCheckSymbol(const char *name);
extern _X_EXPORT void xf86SetBackingStore(ScreenPtr pScreen);
extern _X_EXPORT void xf86SetSilkenMouse(ScreenPtr pScreen);
extern _X_EXPORT pointer xf86FindXvOptions(int scrnIndex, int adapt_index, char *port_name,
			  char **adaptor_name, pointer *adaptor_options);
extern _X_EXPORT void xf86GetOS(const char **name, int *major, int *minor, int *teeny);
extern _X_EXPORT ScrnInfoPtr xf86ConfigFbEntity(ScrnInfoPtr pScrn, int scrnFlag,
			       int entityIndex, EntityProc init,
			       EntityProc enter, EntityProc leave,
			       pointer private);

extern _X_EXPORT Bool xf86IsScreenPrimary(int scrnIndex);
extern _X_EXPORT int  xf86RegisterRootWindowProperty(int ScrnIndex, Atom	property, Atom type,
				    int format, unsigned long len,
				    pointer value);
extern _X_EXPORT Bool xf86IsUnblank(int mode);

/* xf86Init.c */

extern _X_EXPORT PixmapFormatPtr xf86GetPixFormat(ScrnInfoPtr pScrn, int depth);
extern _X_EXPORT int xf86GetBppFromDepth(ScrnInfoPtr pScrn, int depth);

/* xf86Mode.c */

extern _X_EXPORT int xf86GetNearestClock(ScrnInfoPtr scrp, int freq, Bool allowDiv2,
			int DivFactor, int MulFactor, int *divider);
extern _X_EXPORT const char *xf86ModeStatusToString(ModeStatus status);
extern _X_EXPORT ModeStatus xf86LookupMode(ScrnInfoPtr scrp, DisplayModePtr modep,
			  ClockRangePtr clockRanges, LookupModeFlags strategy);
extern _X_EXPORT ModeStatus xf86CheckModeForMonitor(DisplayModePtr mode, MonPtr monitor);
extern _X_EXPORT ModeStatus xf86InitialCheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode,
					 ClockRangePtr clockRanges,
					 LookupModeFlags strategy,
					 int maxPitch, int virtualX,
					 int virtualY);
extern _X_EXPORT ModeStatus xf86CheckModeForDriver(ScrnInfoPtr scrp, DisplayModePtr mode,
				  int flags);
extern _X_EXPORT int xf86ValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes,
		      char **modeNames, ClockRangePtr clockRanges,
		      int *linePitches, int minPitch, int maxPitch,
		      int minHeight, int maxHeight, int pitchInc,
		      int virtualX, int virtualY, int apertureSize,
		      LookupModeFlags strategy);
extern _X_EXPORT void xf86DeleteMode(DisplayModePtr *modeList, DisplayModePtr mode);
extern _X_EXPORT void xf86PruneDriverModes(ScrnInfoPtr scrp);
extern _X_EXPORT void xf86SetCrtcForModes(ScrnInfoPtr scrp, int adjustFlags);
extern _X_EXPORT void xf86PrintModes(ScrnInfoPtr scrp);
extern _X_EXPORT void xf86ShowClockRanges(ScrnInfoPtr scrp, ClockRangePtr clockRanges);
extern _X_EXPORT double xf86ModeHSync(const DisplayModeRec *mode);
extern _X_EXPORT double xf86ModeVRefresh(const DisplayModeRec *mode);
extern _X_EXPORT void xf86SetModeDefaultName(DisplayModePtr mode);
extern _X_EXPORT void xf86SetModeCrtc(DisplayModePtr p, int adjustFlags);
extern _X_EXPORT DisplayModePtr xf86DuplicateMode(const DisplayModeRec *pMode);
extern _X_EXPORT DisplayModePtr xf86DuplicateModes(ScrnInfoPtr pScrn, DisplayModePtr modeList);
extern _X_EXPORT Bool xf86ModesEqual(const DisplayModeRec *pMode1,
		    const DisplayModeRec *pMode2);
extern _X_EXPORT void xf86PrintModeline(int scrnIndex,DisplayModePtr mode);
extern _X_EXPORT DisplayModePtr xf86ModesAdd(DisplayModePtr modes, DisplayModePtr new);

/* xf86Option.c */

extern _X_EXPORT void xf86CollectOptions(ScrnInfoPtr pScrn, XF86OptionPtr extraOpts);


/* xf86RandR.c */
#ifdef RANDR
extern _X_EXPORT Bool xf86RandRInit (ScreenPtr    pScreen);
extern _X_EXPORT Rotation xf86GetRotation(ScreenPtr pScreen);
extern _X_EXPORT Bool xf86RandRSetNewVirtualAndDimensions(ScreenPtr pScreen,
			int newvirtX, int newvirtY,
			int newmmWidth, int newmmHeight, Bool resetMode);
#endif

/* xf86VidModeExtentionInit.c */

extern _X_EXPORT Bool VidModeExtensionInit(ScreenPtr pScreen);

#endif /* _NO_XF86_PROTOTYPES */

#endif /* _XF86_H */