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/* $XConsortium: xf86.h,v 1.5 95/01/16 13:16:56 kaleb Exp $ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86.h,v 3.27 1995/12/16 08:20:17 dawes Exp $ */
/*
 * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Thomas Roell not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Thomas Roell makes no representations
 * about the suitability of this software for any purpose.  It is provided
 * "as is" without express or implied warranty.
 *
 * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 */

#ifndef _XF86_H
#define _XF86_H

#include "misc.h"
#include "input.h"
#include "scrnintstr.h"

#include "xf86_Option.h"

/*
 * structure common for all modes
 */
typedef struct _DispM {
  struct _DispM	*prev,*next;
  char		*name;              /* identifier of this mode */
  /* These are the values that the user sees/provides */
  int		Clock;              /* pixel clock */
  int           HDisplay;           /* horizontal timing */
  int           HSyncStart;
  int           HSyncEnd;
  int           HTotal;
  int           VDisplay;           /* vertical timing */
  int           VSyncStart;
  int           VSyncEnd;
  int           VTotal;
  int           Flags;
  /* These are the values the hardware uses */
  int		SynthClock;         /* Actual clock freq to be programmed */
  int		CrtcHDisplay;
  int		CrtcHSyncStart;
  int		CrtcHSyncEnd;
  int		CrtcHTotal;
  int		CrtcVDisplay;
  int		CrtcVSyncStart;
  int		CrtcVSyncEnd;
  int		CrtcVTotal;
  Bool		CrtcHAdjusted;
  Bool		CrtcVAdjusted;
  int		PrivSize;
  INT32 	*Private;
} DisplayModeRec, *DisplayModePtr;

#define V_PHSYNC    0x0001
#define V_NHSYNC    0x0002
#define V_PVSYNC    0x0004
#define V_NVSYNC    0x0008
#define V_INTERLACE 0x0010
#define V_DBLSCAN   0x0020
#define V_CSYNC     0x0040
#define V_PCSYNC    0x0080
#define V_NCSYNC    0x0100
#define V_PIXMUX    0x1000
#define V_DBLCLK    0x2000

/* The monitor description */

#define MAX_HSYNC 8
#define MAX_VREFRESH 8

typedef struct { float hi, lo; } range;

typedef struct {
   char *id;
   char *vendor;
   char *model;
   float bandwidth;
   int n_hsync;
   range hsync[MAX_HSYNC];       
   int n_vrefresh;                  
   range vrefresh[MAX_VREFRESH];
   DisplayModePtr Modes, Last; /* Start and end of monitor's mode list */
} MonRec, *MonPtr;

#define MAXCLOCKS   128

/* Set default max allowed clock to 90MHz */
#define DEFAULT_MAX_CLOCK	90000

/*
 * the graphic device
 */
typedef struct {
  Bool           configured;
  int            tmpIndex;
  int            scrnIndex;
  Bool           (* Probe)();
  Bool           (* Init)();
  Bool           (* ValidMode)();
  void           (* EnterLeaveVT)(
#if NeedNestedPrototypes
    int,
    int
#endif
);
  void           (* EnterLeaveMonitor)(
#if NeedNestedPrototypes
    int
#endif
);
  void           (* EnterLeaveCursor)(
#if NeedNestedPrototypes
    int
#endif
);
  void           (* AdjustFrame)();
  Bool           (* SwitchMode)();
  void           (* PrintIdent)();
  int            depth;
  xrgb		 weight;
  int            bitsPerPixel;
  int            defaultVisual;
  int            virtualX,virtualY; 
  int		 displayWidth;
  int            frameX0, frameY0, frameX1, frameY1;
  OFlagSet       options;
  OFlagSet       clockOptions;
  OFlagSet	 xconfigFlag;
  char           *chipset;
  char           *ramdac;
  int            dacSpeed;
  int            clocks;
  int            clock[MAXCLOCKS];
  int            maxClock;
  int            videoRam;
  int            BIOSbase;                 /* Base address of video BIOS */
  unsigned long  MemBase;                  /* Frame buffer base address */
  int            width, height;            /* real display dimensions */
  unsigned long  speedup;                  /* Use SpeedUp code */
  DisplayModePtr modes;
  MonPtr         monitor;
  char           *clockprog;
  int            textclock;
  Bool           bankedMono;	  /* display supports banking for mono server */
  char           *name;
  xrgb           blackColour;
  xrgb           whiteColour;
  int            *validTokens;
  char           *patchLevel;
  unsigned int   IObase;          /* AGX - video card I/O reg base        */
  unsigned int   DACbase;         /* AGX - dac I/O reg base               */
  unsigned long  COPbase;         /* AGX - coprocessor memory base        */
  unsigned int   POSbase;         /* AGX - I/O address of POS regs        */
  int            instance;        /* AGX - XGA video card instance number */
  int            s3Madjust;
  int            s3Nadjust;
  int            s3MClk;
  unsigned long  VGAbase;         /* AGX - 64K aperture memory address    */
  int            s3RefClk;
  int            suspendTime;
  int            offTime;
  int            s3BlankDelay;
#ifdef XFreeXDGA
  int            directMode;
  void           (*setBank)(
#if NeedNestedPrototypes
    int
#endif
  );
  unsigned long  physBase;
  int            physSize;
#endif
} ScrnInfoRec, *ScrnInfoPtr;

typedef struct {
  int           token;                /* id of the token */
  char          *name;                /* pointer to the LOWERCASED name */
} SymTabRec, *SymTabPtr;

#define VGA_DRIVER  1
#define V256_DRIVER 2
#define WGA_DRIVER  3
#define XGA_DRIVER  4

#define ENTER       1
#define LEAVE       0

/* These are the return values of xf86CheckMode() */
#define MODE_OK	    0
#define MODE_HSYNC  1		/* hsync out of range */
#define MODE_VSYNC  2		/* vsync out of range */

/* SpeedUp options */

#define SPEEDUP_FILLBOX		1
#define SPEEDUP_FILLRECT	2
#define	SPEEDUP_BITBLT		4
#define SPEEDUP_LINE		8
#define SPEEDUP_TEGBLT8      0x10
#define SPEEDUP_RECTSTIP     0x20

/*
 * This is the routines where SpeedUp is quicker than fXF86.  The problem is
 * that the SpeedUp fillbox is better for drawing vertical and horizontal
 * line segments, and the fXF86 version is significantly better for
 * more general lines
 */
#define SPEEDUP_BEST		(SPEEDUP_FILLRECT | SPEEDUP_BITBLT | \
				 SPEEDUP_LINE | SPEEDUP_TEGBLT8 | \
				 SPEEDUP_RECTSTIP)
/*
#define SPEEDUP_BEST		(SPEEDUP_FILLBOX | SPEEDUP_FILLRECT | \
				 SPEEDUP_BITBLT | SPEEDUP_LINE | \
                                 SPEEDUP_TEGBLT8 | SPEEDUP_RECTSTIP)
*/

/*
 * SpeedUp routines which are not dependent on the screen virtual resolution
 */
#ifndef SPEEDUP_ANYWIDTH
#define SPEEDUP_ANYWIDTH	(SPEEDUP_FILLRECT | SPEEDUP_BITBLT | \
                                 SPEEDUP_LINE | SPEEDUP_FILLBOX)
#endif

/*
 * SpeedUp routines which are not dependent on ET4000
 */
#ifndef SPEEDUP_ANYCHIPSET
#define SPEEDUP_ANYCHIPSET	(SPEEDUP_TEGBLT8 | SPEEDUP_RECTSTIP)
#endif

/* All SpeedUps */
#define SPEEDUP_ALL		(SPEEDUP_FILLBOX | SPEEDUP_FILLRECT | \
				 SPEEDUP_BITBLT | SPEEDUP_LINE | \
                                 SPEEDUP_TEGBLT8 | SPEEDUP_RECTSTIP)

/* SpeedUp flags used if SpeedUp is not in XF86Config */
#define SPEEDUP_DEFAULT		SPEEDUP_ALL

extern Bool        xf86VTSema;

/* Function Prototypes */
#ifndef _NO_XF86_PROTOTYPES

/* xf86Init.c */
void InitOutput(
#if NeedFunctionPrototypes
    ScreenInfo *pScreenInfo,
    int argc,
    char **argv
#endif
);

void InitInput(
#if NeedFunctionPrototypes
    int argc,
    char **argv
#endif
);

void ddxGiveUp(
#if NeedFunctionPrototypes
    void
#endif
);

void AbortDDX(
#if NeedFunctionPrototypes
    void
#endif
);

int ddxProcessArgument(
#if NeedFunctionPrototypes
    int argc,
    char *argv[],
    int i
#endif
);

void ddxUseMsg(
#if NeedFunctionPrototypes
    void
#endif
);

/* xf86Config.c */
unsigned int StrToUL(
#if NeedFunctionPrototypes
    char *str
#endif
);

void xf86Config(
#if NeedFunctionPrototypes
    int vtopen
#endif
);

Bool xf86LookupMode(
#if NeedFunctionPrototypes
    DisplayModePtr target,
    ScrnInfoPtr driver
#endif
);

void xf86VerifyOptions(
#if NeedFunctionPrototypes
    OFlagSet *allowedOptions,
    ScrnInfoPtr driver
#endif
);

int xf86CheckMode(
#if NeedFunctionPrototypes
    ScrnInfoPtr scrp,
    DisplayModePtr dispmp,
    MonPtr monp,
    int verbose
#endif
);

int xf86GetNearestClock(
#if NeedFunctionPrototypes
    ScrnInfoPtr Screen,
    int Frequency
#endif
);

/* xf86Cursor.c */
void xf86InitViewport(
#if NeedFunctionPrototypes
    ScrnInfoPtr pScr
#endif
);

void xf86SetViewport(
#if NeedFunctionPrototypes
    ScreenPtr pScreen,
    int x,
    int y
#endif
);

void xf86LockZoom(
#if NeedFunctionPrototypes
    ScreenPtr pScreen,
    int lock
#endif
);

void xf86ZoomViewport(
#if NeedFunctionPrototypes
    ScreenPtr pScreen,
    int zoom
#endif
);

/* xf86Events.c */
int TimeSinceLastInputEvent(
#if NeedFunctionPrototypes
    void
#endif
);

void SetTimeSinceLastInputEvent(
#if NeedFunctionPrototypes
    void
#endif
);

void ProcessInputEvents(
#if NeedFunctionPrototypes
    void
#endif
);

void xf86PostKbdEvent(
#if NeedFunctionPrototypes
    unsigned key
#endif
);

void xf86PostMseEvent(
#if NeedFunctionPrototypes
    int buttons,
    int dx,
    int dy
#endif
);

void xf86Block(
#if NeedFunctionPrototypes
    pointer blockData,
    OSTimePtr pTimeout,
    pointer pReadmask
#endif
);

void xf86Wakeup(
#if NeedFunctionPrototypes
    pointer blockData,
    int err,
    pointer pReadmask
#endif
);

void xf86SigHandler(
#if NeedFunctionPrototypes
    int signo
#endif
);

/* xf86Io.c */
void xf86KbdBell(
#if NeedFunctionPrototypes
    int percent,
    DeviceIntPtr pKeyboard,
    pointer ctrl,
    int unused
#endif
);

void xf86KbdLeds(
#if NeedFunctionPrototypes
    void
#endif
);

void xf86KbdCtrl(
#if NeedFunctionPrototypes
    DevicePtr pKeyboard,
    KeybdCtrl *ctrl
#endif
);

void xf86InitKBD(
#if NeedFunctionPrototypes
    Bool init
#endif
);

int xf86KbdProc(
#if NeedFunctionPrototypes
    DevicePtr pKeyboard,
    int what
#endif
);

void xf86MseCtrl(
#if NeedFunctionPrototypes
    DevicePtr pPointer,
    PtrCtrl *ctrl
#endif
);

int GetMotionEvents(
#if NeedFunctionPrototypes
    DeviceIntPtr,
    xTimecoord *,
    unsigned long,
    unsigned long,
    ScreenPtr
#endif
);

int xf86MseProc(
#if NeedFunctionPrototypes
    DevicePtr pPointer,
    int what
#endif
);

void xf86MseEvents(
#if NeedFunctionPrototypes
    void
#endif
);

CARD32 GetTimeInMillis(
#if NeedFunctionPrototypes
    void
#endif
);

void OsVendorInit(
#if NeedFunctionPrototypes
    void
#endif
);

/* xf86_Mouse.c */
Bool xf86MouseSupported(
#if NeedFunctionPrototypes
    int mousetype
#endif
);

void xf86SetupMouse(
#if NeedFunctionPrototypes
    void
#endif
);

void xf86MouseProtocol(
#if NeedFunctionPrototypes
    unsigned char *rBuf,
    int nBytes
#endif
);

/* xf86Kbd.c */
Bool LegalModifier(
#if NeedFunctionPrototypes
    unsigned int key,
    DevicePtr pDev
#endif
);

void xf86KbdGetMapping(
#if NeedFunctionPrototypes
    KeySymsPtr pKeySyms,
    CARD8 *pModMap
#endif
);
#endif /* _NO_XF86_PROTOTYPES */

/* End of Prototypes */

#endif /* _XF86_H */