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

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