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+
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright © 2002 David Dawes
+
+All Rights Reserved.
+
+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, sub license, 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 (including the
+next paragraph) 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 NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+
+**************************************************************************/
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810.h,v 1.38 2003/02/26 04:19:36 dawes Exp $ */
+
+/*
+ * Authors:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ *   David Dawes <dawes@tungstengraphics.com>
+ *
+ */
+
+#ifndef _I810_H_
+#define _I810_H_
+
+#include "xf86_ansic.h"
+#include "compiler.h"
+#include "xf86PciInfo.h"
+#include "xf86Pci.h"
+#include "i810_reg.h"
+#include "xaa.h"
+#include "xf86Cursor.h"
+#include "xf86xv.h"
+#include "xf86int10.h"
+#include "vbe.h"
+#include "vgaHW.h"
+
+#ifdef XF86DRI
+#include "xf86drm.h"
+#include "sarea.h"
+#define _XF86DRI_SERVER_
+#include "xf86dri.h"
+#include "dri.h"
+#include "GL/glxint.h"
+#include "i810_dri.h"
+#endif
+
+#include "common.h"
+
+#define I810_VERSION 4000
+#define I810_NAME "I810"
+#define I810_DRIVER_NAME "i810"
+#define I810_MAJOR_VERSION 1
+#define I810_MINOR_VERSION 3
+#define I810_PATCHLEVEL 0
+
+
+/* HWMC Surfaces */
+#define I810_MAX_SURFACES 7
+#define I810_MAX_SUBPICTURES 2
+#define I810_TOTAL_SURFACES 9
+
+/* Globals */
+
+typedef struct _I810Rec *I810Ptr;
+
+typedef void (*I810WriteIndexedByteFunc)(I810Ptr pI810, IOADDRESS addr,
+					 CARD8 index, CARD8 value);
+typedef CARD8(*I810ReadIndexedByteFunc)(I810Ptr pI810, IOADDRESS addr,
+					CARD8 index);
+typedef void (*I810WriteByteFunc)(I810Ptr pI810, IOADDRESS addr, CARD8 value);
+typedef CARD8(*I810ReadByteFunc)(I810Ptr pI810, IOADDRESS addr);
+
+extern void I810SetTiledMemory(ScrnInfoPtr pScrn, int nr, unsigned start,
+			       unsigned pitch, unsigned size);
+
+typedef struct {
+   unsigned long Start;
+   unsigned long End;
+   unsigned long Size;
+} I810MemRange;
+
+typedef struct {
+   int tail_mask;
+   I810MemRange mem;
+   unsigned char *virtual_start;
+   int head;
+   int tail;
+   int space;
+} I810RingBuffer;
+
+typedef struct {
+   unsigned char DisplayControl;
+   unsigned char PixelPipeCfg0;
+   unsigned char PixelPipeCfg1;
+   unsigned char PixelPipeCfg2;
+   unsigned short VideoClk2_M;
+   unsigned short VideoClk2_N;
+   unsigned char VideoClk2_DivisorSel;
+   unsigned char AddressMapping;
+   unsigned char IOControl;
+   unsigned char BitBLTControl;
+   unsigned char ExtVertTotal;
+   unsigned char ExtVertDispEnd;
+   unsigned char ExtVertSyncStart;
+   unsigned char ExtVertBlankStart;
+   unsigned char ExtHorizTotal;
+   unsigned char ExtHorizBlank;
+   unsigned char ExtOffset;
+   unsigned char InterlaceControl;
+   unsigned int LMI_FIFO_Watermark;
+
+   unsigned int LprbTail;
+   unsigned int LprbHead;
+   unsigned int LprbStart;
+   unsigned int LprbLen;
+
+   unsigned int Fence[8];
+
+   unsigned short OverlayActiveStart;
+   unsigned short OverlayActiveEnd;
+
+} I810RegRec, *I810RegPtr;
+
+typedef struct _I810Rec {
+   unsigned char *MMIOBase;
+   unsigned char *FbBase;
+   long FbMapSize;
+   long DepthOffset;
+   long BackOffset;
+   int cpp;
+   int MaxClock;
+
+   unsigned int bufferOffset;		/* for I810SelectBuffer */
+   Bool DoneFrontAlloc;
+   BoxRec FbMemBox;
+   I810MemRange FrontBuffer;
+   I810MemRange BackBuffer;
+   I810MemRange DepthBuffer;
+   I810MemRange TexMem;
+   I810MemRange Scratch;
+   I810MemRange BufferMem;
+   I810MemRange ContextMem;
+   I810MemRange MC;
+
+   int auxPitch;
+   int auxPitchBits;
+
+   int CursorOffset;
+   unsigned long CursorPhysical;
+   unsigned long CursorStart;
+   unsigned long OverlayPhysical;
+   unsigned long OverlayStart;
+   int colorKey;
+   int surfaceAllocation[I810_TOTAL_SURFACES];
+   int numSurfaces;
+
+   DGAModePtr DGAModes;
+   int numDGAModes;
+   Bool DGAactive;
+   int DGAViewportStatus;
+
+   int Chipset;
+   unsigned long LinearAddr;
+   unsigned long MMIOAddr;
+   IOADDRESS ioBase;
+   EntityInfoPtr pEnt;
+   pciVideoPtr PciInfo;
+   PCITAG PciTag;
+
+   I810RingBuffer LpRing;
+   unsigned int BR[20];
+
+   int LmFreqSel;
+
+   int VramKey;
+   unsigned long VramOffset;
+   int DcacheKey;
+   unsigned long DcacheOffset;
+   int HwcursKey;
+   unsigned long HwcursOffset;
+
+   int GttBound;
+
+   I810MemRange DcacheMem;
+   I810MemRange SysMem;
+
+   I810MemRange SavedDcacheMem;
+   I810MemRange SavedSysMem;
+
+   unsigned char **ScanlineColorExpandBuffers;
+   int NumScanlineColorExpandBuffers;
+   int nextColorExpandBuf;
+
+   I810RegRec SavedReg;
+   I810RegRec ModeReg;
+
+   XAAInfoRecPtr AccelInfoRec;
+   xf86CursorInfoPtr CursorInfoRec;
+   CloseScreenProcPtr CloseScreen;
+   ScreenBlockHandlerProcPtr BlockHandler;
+
+   I810WriteIndexedByteFunc writeControl;
+   I810ReadIndexedByteFunc readControl;
+   I810WriteByteFunc writeStandard;
+   I810ReadByteFunc readStandard;
+
+   Bool directRenderingEnabled;		/* false if XF86DRI not defined. */
+
+#ifdef XF86DRI
+   int LockHeld;
+   DRIInfoPtr pDRIInfo;
+   int drmSubFD;
+   int numVisualConfigs;
+   __GLXvisualConfig *pVisualConfigs;
+   I810ConfigPrivPtr pVisualConfigsPriv;
+   unsigned long dcacheHandle;
+   unsigned long backHandle;
+   unsigned long zHandle;
+   unsigned long cursorHandle;
+   unsigned long xvmcHandle;
+   unsigned long sysmemHandle;
+   Bool agpAcquired;
+   drmHandle buffer_map;
+   drmHandle ring_map;
+   drmHandle overlay_map;
+   drmHandle mc_map;
+   drmHandle xvmcContext;
+#endif
+   Bool agpAcquired2d;
+
+   XF86VideoAdaptorPtr adaptor;
+   OptionInfoPtr Options;
+
+   int configured_device;
+
+   Bool showCache;
+   Bool noAccel;
+} I810Rec;
+
+#define I810PTR(p) ((I810Ptr)((p)->driverPrivate))
+
+#define I810_SELECT_FRONT	0
+#define I810_SELECT_BACK	1
+#define I810_SELECT_DEPTH	2
+
+extern Bool I810DRIScreenInit(ScreenPtr pScreen);
+extern void I810DRICloseScreen(ScreenPtr pScreen);
+extern Bool I810DRIFinishScreenInit(ScreenPtr pScreen);
+extern Bool I810InitDma(ScrnInfoPtr pScrn);
+extern Bool I810CleanupDma(ScrnInfoPtr pScrn);
+
+#define I810PTR(p) ((I810Ptr)((p)->driverPrivate))
+#define I810REGPTR(p) (&(I810PTR(p)->ModeReg))
+
+extern Bool I810CursorInit(ScreenPtr pScreen);
+extern Bool I810AccelInit(ScreenPtr pScreen);
+extern void I810SetPIOAccess(I810Ptr pI810);
+extern void I810SetMMIOAccess(I810Ptr pI810);
+extern unsigned int I810CalcWatermark(ScrnInfoPtr pScrn, double freq,
+				      Bool dcache);
+extern void I810PrintErrorState(ScrnInfoPtr pScrn);
+extern int I810WaitLpRing(ScrnInfoPtr pScrn, int n, int timeout_millis);
+extern void I810Sync(ScrnInfoPtr pScrn);
+extern unsigned long I810LocalToPhysical(ScrnInfoPtr pScrn,
+					 unsigned long local);
+extern int I810AllocLow(I810MemRange * result, I810MemRange * pool, int size);
+extern int I810AllocHigh(I810MemRange * result, I810MemRange * pool,
+			 int size);
+extern Bool I810AllocateFront(ScrnInfoPtr pScrn);
+
+extern int I810AllocateGARTMemory(ScrnInfoPtr pScrn);
+extern void I810FreeGARTMemory(ScrnInfoPtr pScrn);
+
+extern Bool I810BindGARTMemory(ScrnInfoPtr pScrn);
+extern Bool I810UnbindGARTMemory(ScrnInfoPtr pScrn);
+
+extern int I810CheckAvailableMemory(ScrnInfoPtr pScrn);
+
+extern Bool I810SwitchMode(int scrnIndex, DisplayModePtr mode, int flags);
+extern void I810AdjustFrame(int scrnIndex, int x, int y, int flags);
+
+extern void I810SetupForScreenToScreenCopy(ScrnInfoPtr pScrn, int xdir,
+					   int ydir, int rop,
+					   unsigned int planemask,
+					   int trans_color);
+extern void I810SubsequentScreenToScreenCopy(ScrnInfoPtr pScrn, int srcX,
+					     int srcY, int dstX, int dstY,
+					     int w, int h);
+extern void I810SetupForSolidFill(ScrnInfoPtr pScrn, int color, int rop,
+				  unsigned int planemask);
+extern void I810SubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y,
+					int w, int h);
+
+extern void I810SelectBuffer(ScrnInfoPtr pScrn, int buffer);
+
+extern void I810RefreshRing(ScrnInfoPtr pScrn);
+extern void I810EmitFlush(ScrnInfoPtr pScrn);
+extern void I810EmitInvarientState(ScrnInfoPtr pScrn);
+
+extern Bool I810DGAInit(ScreenPtr pScreen);
+
+extern void I810InitVideo(ScreenPtr pScreen);
+extern void I810InitMC(ScreenPtr pScreen);
+
+extern const OptionInfoRec *I810AvailableOptions(int chipid, int busid);
+
+#endif /* _I810_H_ */