1#ifndef _MGA_MACROS_H_
2#define _MGA_MACROS_H_
3
4#ifdef XSERVER_LIBPCIACCESS
5#define MGA_IO_ADDRESS(p) (p)->PciInfo->regions[(p)->io_bar].base_addr
6#define VENDOR_ID(p)      (p)->vendor_id
7#define DEVICE_ID(p)      (p)->device_id
8#define SUBSYS_ID(p)      (p)->subdevice_id
9#define CHIP_REVISION(p)  (p)->revision
10#else
11#define MGA_IO_ADDRESS(p) (p)->IOAddress
12#define VENDOR_ID(p)      (p)->vendor
13#define DEVICE_ID(p)      (p)->chipType
14#define SUBSYS_ID(p)      (p)->subsysCard
15#define CHIP_REVISION(p)  (p)->chipRev
16#endif
17
18#define RGBEQUAL(c) (!((((c) >> 8) ^ (c)) & 0xffff))
19
20#ifdef MGADRI
21#define MGA_SYNC_XTAG                 0x275f4200
22
23#define MGABUSYWAIT() do { \
24OUTREG(MGAREG_DWGSYNC, MGA_SYNC_XTAG); \
25while(INREG(MGAREG_DWGSYNC) != MGA_SYNC_XTAG) ; \
26}while(0);
27
28#endif
29
30#define MGAISBUSY() (INREG8(MGAREG_Status + 2) & 0x01)
31
32#define WAITFIFO(cnt) \
33   if(!pMga->UsePCIRetry) {\
34	register int n = cnt; \
35	if(n > pMga->FifoSize) n = pMga->FifoSize; \
36	while(pMga->fifoCount < (n))\
37	    pMga->fifoCount = INREG8(MGAREG_FIFOSTATUS);\
38	pMga->fifoCount -= n;\
39   }
40
41#define XYADDRESS(x,y) \
42    ((y) * pMga->CurrentLayout.displayWidth + (x) + pMga->YDstOrg)
43
44#define MAKEDMAINDEX(index)  ((((index) >> 2) & 0x7f) | (((index) >> 6) & 0x80))
45
46#define DMAINDICES(one,two,three,four)	\
47	( MAKEDMAINDEX(one) | \
48	 (MAKEDMAINDEX(two) << 8) | \
49	 (MAKEDMAINDEX(three) << 16) | \
50 	 (MAKEDMAINDEX(four) << 24) )
51
52#define SET_PLANEMASK_REPLICATED(mask, rep_mask, bpp) \
53    do { \
54	if( (bpp != 24) \
55	    && !(pMga->AccelFlags & MGA_NO_PLANEMASK) \
56	    && ((mask) != pMga->PlaneMask)) { \
57	   pMga->PlaneMask = (mask); \
58	   OUTREG(MGAREG_PLNWT,(rep_mask)); \
59	} \
60    } while( 0 )
61
62#define DISABLE_CLIP() { \
63	pMga->AccelFlags &= ~CLIPPER_ON; \
64	WAITFIFO(1); \
65	OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); }
66
67#ifdef MGADRI
68#define CHECK_DMA_QUIESCENT(pMGA, pScrn) {	\
69   if (!pMGA->haveQuiescense) {			\
70      pMGA->GetQuiescence( pScrn );		\
71   }						\
72}
73#else
74#define CHECK_DMA_QUIESCENT(pMGA, pScrn)
75#endif
76
77#define MGA_NOT_HAL(x) { x; }
78
79#define MGAISGx50(x) ((x)->is_Gx50)
80
81#define MGA_DH_NEEDS_HAL(x) (((x)->Chipset == PCI_CHIP_MGAG400) && \
82			     ((x)->ChipRev < 0x80))
83
84#endif /* _MGA_MACROS_H_ */
85