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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_macros.h,v 1.21 2001/09/26 12:59:17 alanh Exp $ */
#ifndef _MGA_MACROS_H_
#define _MGA_MACROS_H_
#ifdef XSERVER_LIBPCIACCESS
#define MGA_IO_ADDRESS(p) (p)->PciInfo->regions[(p)->io_bar].base_addr
#define VENDOR_ID(p) (p)->vendor_id
#define DEVICE_ID(p) (p)->device_id
#define SUBSYS_ID(p) (p)->subdevice_id
#define CHIP_REVISION(p) (p)->revision
#else
#define MGA_IO_ADDRESS(p) (p)->IOAddress
#define VENDOR_ID(p) (p)->vendor
#define DEVICE_ID(p) (p)->chipType
#define SUBSYS_ID(p) (p)->subsysCard
#define CHIP_REVISION(p) (p)->chipRev
#endif
#define RGBEQUAL(c) (!((((c) >> 8) ^ (c)) & 0xffff))
#ifdef XF86DRI
#define MGA_SYNC_XTAG 0x275f4200
#define MGABUSYWAIT() do { \
OUTREG(MGAREG_DWGSYNC, MGA_SYNC_XTAG); \
while(INREG(MGAREG_DWGSYNC) != MGA_SYNC_XTAG) ; \
}while(0);
#endif
#define MGAISBUSY() (INREG8(MGAREG_Status + 2) & 0x01)
#define WAITFIFO(cnt) \
if(!pMga->UsePCIRetry) {\
register int n = cnt; \
if(n > pMga->FifoSize) n = pMga->FifoSize; \
while(pMga->fifoCount < (n))\
pMga->fifoCount = INREG8(MGAREG_FIFOSTATUS);\
pMga->fifoCount -= n;\
}
#define XYADDRESS(x,y) \
((y) * pScrn->displayWidth + (x) + pMga->YDstOrg)
#define MAKEDMAINDEX(index) ((((index) >> 2) & 0x7f) | (((index) >> 6) & 0x80))
#define DMAINDICES(one,two,three,four) \
( MAKEDMAINDEX(one) | \
(MAKEDMAINDEX(two) << 8) | \
(MAKEDMAINDEX(three) << 16) | \
(MAKEDMAINDEX(four) << 24) )
#define SET_PLANEMASK_REPLICATED(mask, rep_mask, bpp) \
do { \
if( (bpp != 24) \
&& !(pMga->AccelFlags & MGA_NO_PLANEMASK) \
&& ((mask) != pMga->PlaneMask)) { \
pMga->PlaneMask = (mask); \
OUTREG(MGAREG_PLNWT,(rep_mask)); \
} \
} while( 0 )
#define DISABLE_CLIP() { \
pMga->AccelFlags &= ~CLIPPER_ON; \
WAITFIFO(1); \
OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); }
#ifdef XF86DRI
#define CHECK_DMA_QUIESCENT(pMGA, pScrn) { \
if (!pMGA->haveQuiescense) { \
pMGA->GetQuiescence( pScrn ); \
} \
}
#else
#define CHECK_DMA_QUIESCENT(pMGA, pScrn)
#endif
#define MGAISGx50(x) ((x)->is_Gx50)
#endif /* _MGA_MACROS_H_ */
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