Initial revisionXORG-STABLE

1 files changed, 168 insertions, 0 deletions

diff --git a/src/ct_Blitter.h b/src/ct_Blitter.h
new file mode 100644
index 0000000..ecb84f1
--- /dev/null
+++ b/src/ct_Blitter.h
@@ -0,0 +1,168 @@
+/* $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 1.4 2002/01/25 21:55:58 tsi 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); \
+	    } \
+	} \
+    } \
+}
+