/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/s3virge/s3v.h,v 1.31 2003/02/04 02:20:49 dawes Exp $ */

/*
Copyright (C) 1994-1999 The XFree86 Project, Inc.  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, 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, FIT-
NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
XFREE86 PROJECT 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 XFree86 Project 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 XFree86 Project.
*/

#ifndef _S3V_H
#define _S3V_H

/* All drivers should typically include these */
#include "xf86.h"
#include "xf86_OSproc.h"

/* All drivers need this */
#include "xf86_ansic.h"

/* Everything using inb/outb, etc needs "compiler.h" */
#include "compiler.h"

/* Drivers for PCI hardware need this */
#include "xf86PciInfo.h"

/* Drivers that need to access the PCI config space directly need this */
#include "xf86Pci.h"

#include "xf86Cursor.h"

#include "vgaHW.h"

#include "s3v_macros.h"

/* All drivers initialising the SW cursor need this */
#include "mipointer.h"

/* All drivers using the mi colormap manipulation need this */
#include "micmap.h"

/* Drivers using cfb need this */

#define PSZ 8
#include "cfb.h"
#undef PSZ

/* Drivers supporting bpp 16, 24 or 32 with cfb need these */

#include "cfb16.h"
#include "cfb24.h"
#include "cfb32.h"
#include "cfb24_32.h"

/* fb support */

#include "fb.h"

/* Drivers using the XAA interface ... */
#include "xaa.h"
#include "xaalocal.h"
#include "xf86cmap.h"
#include "xf86i2c.h"

#include "vbe.h"

#include "xf86xv.h"
#include "Xv.h"
#include "fourcc.h"

#ifndef _S3V_VGAHWMMIO_H
#define _S3V_VGAHWMMIO_H

#define VGAIN8(addr) MMIO_IN8(ps3v->MapBase,(S3V_MMIO_REGSIZE + (addr)))
#define VGAIN16(addr) MMIO_IN16(ps3v->MapBase,(S3V_MMIO_REGSIZE + (addr)))
#define VGAIN(addr) MMIO_IN32(ps3v->MapBase,(S3V_MMIO_REGSIZE + (addr)))
#define VGAOUT8(addr,val) MMIO_OUT8(ps3v->MapBase,(S3V_MMIO_REGSIZE + (addr)),\
                                                                          val)
#define VGAOUT16(addr,val) MMIO_OUT16(ps3v->MapBase,\
				      (S3V_MMIO_REGSIZE + (addr)), val)
#define VGAOUT(addr, val) MMIO_OUT32(ps3v->MapBase,\
				     (S3V_MMIO_REGSIZE + (addr)), val)

#define INREG(addr) MMIO_IN32(ps3v->MapBase, addr)
#define OUTREG(addr, val) MMIO_OUT32(ps3v->MapBase, addr, val)
#define NEW_INREG(addr) MMIO_IN32(s3vMmioMem, addr)
#define NEW_OUTREG(addr, val) MMIO_OUT32(s3vMmioMem, addr, val)

#endif /*_S3V_VGAHWMMIO_H*/

/*******************  s3v_i2c  ****************************/

Bool S3V_I2CInit(ScrnInfoPtr pScrn);

/******************* s3v_accel ****************************/

void S3VGEReset(ScrnInfoPtr pScrn, int from_timeout, int line, char *file);


/*********************************************/
/* locals */

/* Some S3 ViRGE structs */
#include "newmmio.h"

/* More ViRGE defines */
#include "regs3v.h"

/*********************************************/


	      
/* Driver data structure; this should contain all needed info for a mode */
/* used to be in s3v_driver.h for pre 4.0 */
typedef struct {      
   unsigned char SR08, SR0A, SR0F;
   unsigned char SR10, SR11, SR12, SR13, SR15, SR18; /* SR9-SR1C, ext seq. */
   unsigned char SR29;
   unsigned char SR54, SR55, SR56, SR57;
   unsigned char Clock;
   unsigned char s3DacRegs[0x101];
   unsigned char CR31, CR33, CR34, CR36, CR3A, CR3B, CR3C;
   unsigned char CR40, CR41, CR42, CR43, CR45;
   unsigned char CR51, CR53, CR54, CR55, CR58, CR5D, CR5E;
   unsigned char CR63, CR65, CR66, CR67, CR68, CR69, CR6D; /* Video attrib. */
   unsigned char CR7B, CR7D;
   unsigned char CR85, CR86, CR87;
   unsigned char CR90, CR91, CR92, CR93;
   unsigned char ColorStack[8]; /* S3 hw cursor color stack CR4A/CR4B */
   unsigned int  STREAMS[22];   /* Streams regs */
   unsigned int  MMPR0, MMPR1, MMPR2, MMPR3;   /* MIU regs */
} S3VRegRec, *S3VRegPtr;


/*********************************/
/*   S3VPortPrivRec              */
/*********************************/

typedef struct {
   unsigned char brightness;
   unsigned char contrast;
   FBAreaPtr	area;
   RegionRec	clip;
   CARD32	colorKey;
   CARD32	videoStatus;
   Time		offTime;
   Time		freeTime;
   int		lastPort;
} S3VPortPrivRec, *S3VPortPrivPtr;


/*************************/
/* S3VRec  		 */
/*************************/

typedef struct tagS3VRec {
	/* accel additions */
	CARD32		AccelFlags;
	CARD32		AccelCmd;
	CARD32		SrcBaseY, DestBaseY;
	CARD32		Stride;
	CARD32		CommonCmd;
	CARD32		FullPlaneMask;
	GCPtr		CurrentGC;
        /* fb support */
        DrawablePtr CurrentDrawable;
	/* end accel stuff */
  /* ViRGE specifics -start- */   
  /* Xv support */
  XF86VideoAdaptorPtr adaptor;
  S3VPortPrivPtr portPrivate;

  /* S3V console saved mode registers */
  S3VRegRec 		SavedReg;
  /* XServer video state mode registers */
  S3VRegRec 		ModeReg;
  /* HW Cursor info */
  xf86CursorInfoPtr	CursorInfoRec;
  /* Flag indicating ModeReg has been */
  /* duped from console state. */
  Bool		ModeStructInit;
  /* Is STREAMS processor needed for */
  /* this mode? */
  Bool 		NeedSTREAMS;
  /* Is STREAMS running now ? */
  Bool 		STREAMSRunning;
  /* Compatibility variables */
  int 		vgaCRIndex, vgaCRReg;
  int 		Width, Bpp,Bpl, ScissB;   
  /* XAA */
  unsigned 		PlaneMask;
  int 		bltbug_width1, bltbug_width2;
  /* In units as noted, set in PreInit */
  int			videoRambytes;
  int			videoRamKbytes;
  /* In Kbytes, set in PreInit */
  int			MemOffScreen;
  /* Holds the virtual memory address */
  /* returned when the MMIO registers */
  /* are mapped with xf86MapPciMem    */
  unsigned char *	MapBase;
  unsigned char *       MapBaseDense;
  
  /* Same as MapBase, except framebuffer*/
  unsigned char *	FBBase;
  /* Current visual FB starting location */
  unsigned char *	FBStart;
  /* Cursor storage location */
  CARD32			FBCursorOffset;
  /* Saved CR53 value */
  unsigned char	EnableMmioCR53;
  /* Extended reg unlock storage */
  unsigned char	CR38,CR39,CR40;
  /* Flag indicating if vgaHWMapMem was */
  /* used successfully for this screen */
  Bool		PrimaryVidMapped;
  /* Clock value */
  int			dacSpeedBpp;
  int			minClock;
  /* Maximum clock for present bpp */
  int			maxClock;
  int			HorizScaleFactor;
  Bool		bankedMono;
  /* Memory Clock */
  int 		MCLK;
  /* input reference Clock */
  int 		REFCLK;
  /* MX LCD clock			*/
  int			LCDClk;
  /* MX reference clock scale		*/
  double refclk_fact;
  /* Limit the number of errors	*/
  /* printed using a counter 	*/
  int			GEResetCnt;
  /* Accel WaitFifo function */
  void (*pWaitFifo)(struct tagS3VRec *, int);
  /* Accel WaitCmd function */
  void (*pWaitCmd)(struct tagS3VRec *);

  /*************************/
  /* ViRGE options -start- */
  /*************************/  
  OptionInfoPtr	Options;
  /* Enable PCI burst mode for reads? */
  Bool 		pci_burst;
  /* Diasable PCI retries */
  Bool		NoPCIRetry;
  /* Adjust fifo for acceleration? */
  Bool 		fifo_conservative;
  Bool 		fifo_moderate;
  Bool 		fifo_aggressive;
  /* Set memory options */
  Bool 		slow_edodram;
  Bool 		slow_dram;
  Bool 		fast_dram;
  Bool 		fpm_vram;
  /* Disable Acceleration */
  Bool		NoAccel;
  /* Adjust memory ras precharge */ 
  /* timing */
  Bool		ShowCache;
  Bool 		early_ras_precharge;
  Bool 		late_ras_precharge;
  /* MX LCD centering		*/
  Bool		lcd_center;
  /* hardware cursor enabled */
  Bool		hwcursor;
  Bool          UseFB;
  Bool          mx_cr3a_fix;
  Bool          XVideo;
  /* ViRGE options -end- */
  /***********************/
  /* ViRGE specifics -end- */
  
  /* Used by ViRGE driver, but generic */
  
  /* Pointer used to save wrapped */
  /* CloseScreen function.	*/
  CloseScreenProcPtr	CloseScreen;
  /* XAA info Rec 	*/
  XAAInfoRecPtr 	AccelInfoRec;
  /* PCI info vars.	*/
  pciVideoPtr 	PciInfo;
  PCITAG 		PciTag;
  /* Chip info, set using PCI	*/
  /* above.			*/
  int			Chipset;
  int			ChipRev;
  /* DGA2 */
  DGAModePtr	DGAModes;
  int			numDGAModes;
  Bool			DGAactive;
  int			DGAViewportStatus;
  I2CBusPtr             I2C;
    vbeInfoPtr          pVbe;
    Bool         shadowFB;
    int rotate;
    unsigned char * ShadowPtr;
    int ShadowPitch;
    void	(*PointerMoved)(int index, int x, int y);

    /* Used by ViRGE driver, but generic -end- */
  
  
} S3VRec, *S3VPtr;


#define S3VPTR(p) ((S3VPtr)((p)->driverPrivate))
      

/* #define S3V_DEBUG */
		 
#ifdef S3V_DEBUG
#define PVERB5(arg) ErrorF(arg)
#define VERBLEV	1
#else
#define PVERB5(arg) xf86ErrorFVerb(5, arg)
#define VERBLEV	5
#endif


/******************* regs3v *******************************/

/* cep kjb */
#define VertDebug 1

/* #ifndef MetroLink */ 
#if !defined (MetroLink) && !defined (VertDebug)
#define VerticalRetraceWait() do { \
   VGAOUT8(vgaCRIndex, 0x17); \
   if ( VGAIN8(vgaCRReg) & 0x80 ) { \
       while ((VGAIN8(vgaIOBase + 0x0A) & 0x08) == 0x00) ; \
       while ((VGAIN8(vgaIOBase + 0x0A) & 0x08) == 0x08) ; \
       while ((VGAIN8(vgaIOBase + 0x0A) & 0x08) == 0x00) ; \
       }\
} while (0)

#else
#define SPIN_LIMIT 1000000
#define VerticalRetraceWait() do { \
   VGAOUT8(vgaCRIndex, 0x17); \
   if ( VGAIN8(vgaCRReg) & 0x80 ) { \
	volatile unsigned long _spin_me; \
	for (_spin_me = 0; \
	 ((VGAIN8(vgaIOBase + 0x0A) & 0x08) == 0x00) && _spin_me <= SPIN_LIMIT; \
	 _spin_me++) ; \
	if (_spin_me > SPIN_LIMIT) \
	    ErrorF("s3v: warning: VerticalRetraceWait timed out(1:3).\n"); \
	for (_spin_me = 0; \
	 ((VGAIN8(vgaIOBase + 0x0A) & 0x08) == 0x08) && _spin_me <= SPIN_LIMIT; \
	 _spin_me++) ; \
	if (_spin_me > SPIN_LIMIT) \
	    ErrorF("s3v: warning: VerticalRetraceWait timed out(2:3).\n"); \
	for (_spin_me = 0; \
	 ((VGAIN8(vgaIOBase + 0x0A) & 0x08) == 0x00) && _spin_me <= SPIN_LIMIT; \
	 _spin_me++) ; \
	if (_spin_me > SPIN_LIMIT) \
	    ErrorF("s3v: warning: VerticalRetraceWait timed out(3:3).\n"); \
   } \
} while (0)
#endif


/*********************************************************/


/* Various defines which are used to pass flags between the Setup and 
 * Subsequent functions. 
 */

#define NO_MONO_FILL      0x00
#define NEED_MONO_FILL    0x01
#define MONO_TRANSPARENCY 0x02

/* prototypes */
/* s3v_dac.c */
extern void S3VCommonCalcClock(ScrnInfoPtr pScrn, DisplayModePtr mode, 
			long freq, int min_m, int min_n1, int max_n1,
			int min_n2, int max_n2, long freq_min, long freq_max,
			unsigned char * mdiv, unsigned char * ndiv);

/* s3v_accel.c */
extern Bool S3VAccelInit(ScreenPtr pScreen);
extern Bool S3VAccelInit32(ScreenPtr pScreen);
void S3VAccelSync(ScrnInfoPtr);
void S3VWaitFifoGX2(S3VPtr ps3v, int slots );
void S3VWaitFifoMain(S3VPtr ps3v, int slots );
void S3VWaitCmdGX2(S3VPtr ps3v);
void S3VWaitDummy(S3VPtr ps3v);

/* s3v_hwcurs.c */
extern Bool S3VHWCursorInit(ScreenPtr pScreen);

/* s3v_driver.c */
void S3VAdjustFrame(int scrnIndex, int x, int y, int flags);
Bool S3VSwitchMode(int scrnIndex, DisplayModePtr mode, int flags);

/* s3v_dga.c */
Bool S3VDGAInit(ScreenPtr pScreen);

/* in s3v_shadow.c */
void s3vPointerMoved(int index, int x, int y);
void s3vRefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void s3vRefreshArea8(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void s3vRefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void s3vRefreshArea24(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void s3vRefreshArea32(ScrnInfoPtr pScrn, int num, BoxPtr pbox);

/* s3v_xv.c  X Video Extension support */
void S3VInitVideo(ScreenPtr pScreen);
int S3VQueryXvCapable(ScrnInfoPtr);

#endif  /*_S3V_H*/


/*EOF*/


