src/mesa/drivers/dri/mga/server/mga_macros.h

   1 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_macros.h,v 1.22 2002/02/20 17:17:50 dawes Exp $ */
   2
   3 #ifndef _MGA_MACROS_H_
   4 #define _MGA_MACROS_H_
   5
   6 #ifndef PSZ
   7 #define PSZ 8
   8 #endif
   9
  10 #if PSZ == 8
  11 #define REPLICATE(r) r &= 0xFF; r |= r << 8; r |= r << 16
  12 #elif PSZ == 16
  13 #define REPLICATE(r) r &= 0xFFFF; r |= r << 16
  14 #elif PSZ == 24
  15 #define REPLICATE(r) r &= 0xFFFFFF; r |= r << 24
  16 #else
  17 #define REPLICATE(r) /* */
  18 #endif
  19
  20 #define RGBEQUAL(c) (!((((c) >> 8) ^ (c)) & 0xffff))
  21
  22 #ifdef XF86DRI
  23 #define MGA_SYNC_XTAG                 0x275f4200
  24
  25 #define MGABUSYWAIT() do { \
  26 OUTREG(MGAREG_DWGSYNC, MGA_SYNC_XTAG); \
  27 while(INREG(MGAREG_DWGSYNC) != MGA_SYNC_XTAG) ; \
  28 }while(0);
  29
  30 #endif
  31
  32 #define MGAISBUSY() (INREG8(MGAREG_Status + 2) & 0x01)
  33
  34 #define WAITFIFO(cnt) \
  35    if(!pMga->UsePCIRetry) {\
  36         register int n = cnt; \
  37         if(n > pMga->FifoSize) n = pMga->FifoSize; \
  38         while(pMga->fifoCount < (n))\
  39             pMga->fifoCount = INREG8(MGAREG_FIFOSTATUS);\
  40         pMga->fifoCount -= n;\
  41    }
  42
  43 #define XYADDRESS(x,y) \
  44     ((y) * pMga->CurrentLayout.displayWidth + (x) + pMga->YDstOrg)
  45
  46 #define MAKEDMAINDEX(index)  ((((index) >> 2) & 0x7f) | (((index) >> 6) & 0x80))
  47
  48 #define DMAINDICES(one,two,three,four)  \
  49         ( MAKEDMAINDEX(one) | \
  50          (MAKEDMAINDEX(two) << 8) | \
  51          (MAKEDMAINDEX(three) << 16) | \
  52          (MAKEDMAINDEX(four) << 24) )
  53
  54 #if PSZ == 24
  55 #define SET_PLANEMASK(p) /**/
  56 #else
  57 #define SET_PLANEMASK(p) \
  58         if(!(pMga->AccelFlags & MGA_NO_PLANEMASK) && ((p) != pMga->PlaneMask)) { \
  59            pMga->PlaneMask = (p); \
  60            REPLICATE((p)); \
  61            OUTREG(MGAREG_PLNWT,(p)); \
  62         }
  63 #endif
  64
  65 #define SET_FOREGROUND(c) \
  66         if((c) != pMga->FgColor) { \
  67            pMga->FgColor = (c); \
  68            REPLICATE((c)); \
  69            OUTREG(MGAREG_FCOL,(c)); \
  70         }
  71
  72 #define SET_BACKGROUND(c) \
  73         if((c) != pMga->BgColor) { \
  74            pMga->BgColor = (c); \
  75            REPLICATE((c)); \
  76            OUTREG(MGAREG_BCOL,(c)); \
  77         }
  78
  79 #define DISABLE_CLIP() { \
  80         pMga->AccelFlags &= ~CLIPPER_ON; \
  81         WAITFIFO(1); \
  82         OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); }
  83
  84 #ifdef XF86DRI
  85 #define CHECK_DMA_QUIESCENT(pMGA, pScrn) {      \
  86    if (!pMGA->haveQuiescense) {                 \
  87       pMGA->GetQuiescence( pScrn );             \
  88    }                                            \
  89 }
  90 #else
  91 #define CHECK_DMA_QUIESCENT(pMGA, pScrn)
  92 #endif
  93
  94 #ifdef USEMGAHAL
  95 #define HAL_CHIPSETS ((pMga->Chipset == PCI_CHIP_MGAG200_PCI) || \
  96                   (pMga->Chipset == PCI_CHIP_MGAG200) || \
  97                   (pMga->Chipset == PCI_CHIP_MGAG400) || \
  98                   (pMga->Chipset == PCI_CHIP_MGAG550))
  99
 100 #define MGA_HAL(x) { \
 101         MGAPtr pMga = MGAPTR(pScrn); \
 102         if (pMga->HALLoaded && HAL_CHIPSETS) { x; } \
 103 }
 104 #define MGA_NOT_HAL(x) { \
 105         MGAPtr pMga = MGAPTR(pScrn); \
 106         if (!pMga->HALLoaded || !HAL_CHIPSETS) { x; } \
 107 }
 108 #else
 109 #define MGA_NOT_HAL(x) { x; }
 110 #endif
 111
 112 #define MGAISGx50(x) ( (((x)->Chipset == PCI_CHIP_MGAG400) && ((x)->ChipRev >= 0x80)) || \
 113                        ((x)->Chipset == PCI_CHIP_MGAG550) )
 114
 115 #define MGA_DH_NEEDS_HAL(x) (((x)->Chipset == PCI_CHIP_MGAG400) && \
 116                              ((x)->ChipRev < 0x80))
 117
 118 #endif /* _MGA_MACROS_H_ */