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/* $XConsortium: ct_Blitter.h /main/2 1996/10/25 10:28:37 kaleb $ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/ct_Blitter.h,v 1.3 1998/08/29 05:43:06 dawes Exp $ */
/* Definitions for the Chips and Technology BitBLT engine communication. */
/* registers */
/* Do not read 87D0 while BitBLT is active */
/* 83D0: 11-0 source offset, width of 'screen' */
/* 15-12 reserved (0) */
/* 27-16 destination offset, width of screen */
/* 31-28 reserved (0) */
/* 87D0: 20-0 pattern (alinged 8 pixel x 8 line) pointer */
/* 31-21 reserved (0) */
/* 8BD0: 15-0 backgroud colour */
/* 31-6 duplicate of 15-0 */
/* 8FD0: 15-0 foregroud/solid colour */
/* 31-6 duplicate of 15-0 */
/* 93D0: 7-0 ROP, same as MS-Windows */
/* 8 BitBLT Y direction, if 0 bottom to top, 1 top to bottom */
/* 9 BitBLT X direction, if 0 right to left, 1 left to right */
/* 10 source data, if 0 source is selected bit 14, 1 foregourd colour */
/* 11 source depth, if 0 source is colour, */
/* 1 source is monochrome(Font expansion) */
/* 12 pattern depth, if 0 colour, else monochrome */
/* 13 background, if 0 opaque (8BD0), else transparent */
/* 14 BitBLT source, if 0 screen, else system memory */
/* 15 reserved (0, destination?) */
/* 18-16 starting row of 8x8 pattern */
/* 19 if 1 solid pattern (Brush), else bitmap */
/* 20(R) BitBLT status, if 1 active */
/* 23-21 reserved (0) */
/* 27-24 vacancy in buffer */
/* 31-25 reserved (0) */
/* 97D0: 20-0 source address (byte aligned) */
/* 31-21 reserved (0) */
/* 9BD0: 20-0 destination address (byte aligned) */
/* 31-21 reserved (0) */
/* 9FD0: 11-0 number of bytes to be transferred per line */
/* 15-12 reserved (0) */
/* 27-16 height in lines of the block to be transferred */
/* 31-28 reserved (0) */
/* BitBLT modes for register 93D0. */
#define ctPATCOPY 0xF0
#define ctTOP2BOTTOM 0x100
#define ctBOTTOM2TOP 0x000
#define ctLEFT2RIGHT 0x200
#define ctRIGHT2LEFT 0x000
#define ctSRCFG 0x400
#define ctSRCMONO 0x800
#define ctPATMONO 0x1000
#define ctBGTRANSPARENT 0x2000
#define ctSRCSYSTEM 0x4000
#define ctPATSOLID 0x80000L
#define ctPATSTART0 0x00000L
#define ctPATSTART1 0x10000L
#define ctPATSTART2 0x20000L
#define ctPATSTART3 0x30000L
#define ctPATSTART4 0x40000L
#define ctPATSTART5 0x50000L
#define ctPATSTART6 0x60000L
#define ctPATSTART7 0x70000L
/* Macros to do useful things with the C&T BitBLT engine */
#define ctBLTWAIT \
{HW_DEBUG(0x4+2); while(inw(cPtr->PIOBase+DR(0x4)+2)&0x10){};}
#define ctSETROP(op) \
{HW_DEBUG(0x4); outl(cPtr->PIOBase+DR(0x4),(op));}
#define ctSETSRCADDR(srcAddr) \
{HW_DEBUG(0x5); outl(cPtr->PIOBase+DR(0x5),((srcAddr)&0x1FFFFFL));}
#define ctSETDSTADDR(dstAddr) \
{HW_DEBUG(0x6); outl(cPtr->PIOBase+DR(0x6),((dstAddr)&0x1FFFFFL));}
#define ctSETPITCH(srcPitch,dstPitch) \
{HW_DEBUG(0x0); outl(cPtr->PIOBase+DR(0x0),(((dstPitch)<<16)|(srcPitch)));}
/* Note that this command signal a blit to commence */
#define ctSETHEIGHTWIDTHGO(Height,Width)\
{HW_DEBUG(0x7); outl(cPtr->PIOBase+DR(0x7),(((Height)<<16)|(Width)));}
#define ctSETPATSRCADDR(srcAddr)\
{HW_DEBUG(0x1); outl(cPtr->PIOBase+DR(0x1),((srcAddr)&0x1FFFFFL));}
/* I can't help pointing out at this point that I'm not complaining
* about the american spelling of Colour!! [DGB] */
#define ctSETBGCOLOR8(c) {\
HW_DEBUG(0x2); \
if ((cAcl->bgColor != (c)) || (cAcl->bgColor == -1)) { \
cAcl->bgColor = (c); \
outl(cPtr->PIOBase+DR(0x2),((((((c)&0xFF)<<8)|((c)&0xFF))<<16) | \
((((c)&0xFF)<<8)|((c)&0xFF)))); \
} \
}
#define ctSETBGCOLOR16(c) {\
HW_DEBUG(0x2); \
if ((cAcl->bgColor != (c)) || (cAcl->bgColor == -1)) { \
cAcl->bgColor = (c); \
outl(cPtr->PIOBase+DR(0x2),((((c)&0xFFFF)<<16)|((c)&0xFFFF))); \
} \
}
/* As the 6554x doesn't support 24bpp colour expansion this doesn't work */
#define ctSETBGCOLOR24(c) {\
HW_DEBUG(0x2); \
if ((cAcl->bgColor != (c)) || (cAcl->bgColor == -1)) { \
cAcl->bgColor = (c); \
outl(cPtr->PIOBase+DR(0x2),(c)&0xFFFFFF); \
} \
}
#define ctSETFGCOLOR8(c) {\
HW_DEBUG(0x3); \
if ((cAcl->fgColor != (c)) || (cAcl->fgColor == -1)) { \
cAcl->fgColor = (c); \
outl(cPtr->PIOBase+DR(0x3),((((((c)&0xFF)<<8)|((c)&0xFF))<<16) | \
((((c)&0xFF)<<8)|((c)&0xFF)))); \
} \
}
#define ctSETFGCOLOR16(c) {\
HW_DEBUG(0x3); \
if ((cAcl->fgColor != (c)) || (cAcl->fgColor == -1)) { \
cAcl->fgColor = (c); \
outl(cPtr->PIOBase+DR(0x3),((((c)&0xFFFF)<<16)|((c)&0xFFFF))); \
} \
}
/* As the 6554x doesn't support 24bpp colour expansion this doesn't work */
#define ctSETFGCOLOR24(c) {\
HW_DEBUG(0x3); \
if ((cAcl->fgColor != (c)) || (cAcl->fgColor == -1)) { \
cAcl->fgColor = (c); \
outl(cPtr->PIOBase+DR(0x3),(c)&0xFFFFFF); \
} \
}
/* Define a Macro to replicate a planemask 64 times and write to address
* allocated for planemask pattern */
#define ctWRITEPLANEMASK8(mask,addr) { \
if (cAcl->planemask != (mask&0xFF)) { \
cAcl->planemask = (mask&0xFF); \
memset((unsigned char *)cPtr->FbBase + addr, (mask&0xFF), 64); \
} \
}
#define ctWRITEPLANEMASK16(mask,addr) { \
if (cAcl->planemask != (mask&0xFFFF)) { \
cAcl->planemask = (mask&0xFFFF); \
{ int i; \
for (i = 0; i < 64; i++) { \
memcpy((unsigned char *)cPtr->FbBase + addr \
+ i * 2, &mask, 2); \
} \
} \
} \
}
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