Initial revisionXORG-STABLE

1 files changed, 202 insertions, 0 deletions

diff --git a/src/i810_cursor.c b/src/i810_cursor.c
new file mode 100644
index 00000000..26023f3f
--- /dev/null
+++ b/src/i810_cursor.c
@@ -0,0 +1,202 @@
+
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_cursor.c,v 1.7 2002/10/30 12:52:17 alanh Exp $ */
+
+/*
+ * Reformatted with GNU indent (2.2.8), using the following options:
+ *
+ *    -bad -bap -c41 -cd0 -ncdb -ci6 -cli0 -cp0 -ncs -d0 -di3 -i3 -ip3 -l78
+ *    -lp -npcs -psl -sob -ss -br -ce -sc -hnl
+ *
+ * This provides a good match with the original i810 code and preferred
+ * XFree86 formatting conventions.
+ *
+ * When editing this driver, please follow the existing formatting, and edit
+ * with <TAB> characters expanded at 8-column intervals.
+ */
+
+/*
+ * Authors:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ *
+ */
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86_ansic.h"
+#include "compiler.h"
+
+#include "xf86fbman.h"
+
+#include "i810.h"
+
+static void I810LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
+static void I810ShowCursor(ScrnInfoPtr pScrn);
+static void I810HideCursor(ScrnInfoPtr pScrn);
+static void I810SetCursorColors(ScrnInfoPtr pScrn, int bg, int fb);
+static void I810SetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
+static Bool I810UseHWCursor(ScreenPtr pScrn, CursorPtr pCurs);
+
+Bool
+I810CursorInit(ScreenPtr pScreen)
+{
+   ScrnInfoPtr pScrn;
+   I810Ptr pI810;
+   xf86CursorInfoPtr infoPtr;
+
+   pScrn = xf86Screens[pScreen->myNum];
+   pI810 = I810PTR(pScrn);
+   pI810->CursorInfoRec = infoPtr = xf86CreateCursorInfoRec();
+   if (!infoPtr)
+      return FALSE;
+
+   infoPtr->MaxWidth = 64;
+   infoPtr->MaxHeight = 64;
+   infoPtr->Flags = (HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
+		     HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
+		     HARDWARE_CURSOR_INVERT_MASK |
+		     HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK |
+		     HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
+		     HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 | 0);
+
+   infoPtr->SetCursorColors = I810SetCursorColors;
+   infoPtr->SetCursorPosition = I810SetCursorPosition;
+   infoPtr->LoadCursorImage = I810LoadCursorImage;
+   infoPtr->HideCursor = I810HideCursor;
+   infoPtr->ShowCursor = I810ShowCursor;
+   infoPtr->UseHWCursor = I810UseHWCursor;
+
+   return xf86InitCursor(pScreen, infoPtr);
+}
+
+static Bool
+I810UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs)
+{
+   ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+   I810Ptr pI810 = I810PTR(pScrn);
+
+   if (!pI810->CursorPhysical)
+      return FALSE;
+   else
+      return TRUE;
+}
+
+static void
+I810LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
+{
+   I810Ptr pI810 = I810PTR(pScrn);
+   CARD8 *pcurs = (CARD8 *) (pI810->FbBase + pI810->CursorStart);
+   int x, y;
+
+   for (y = 0; y < 64; y++) {
+      for (x = 0; x < 64 / 4; x++) {
+	 *pcurs++ = *src++;
+      }
+   }
+}
+
+static void
+I810SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
+{
+   I810Ptr pI810 = I810PTR(pScrn);
+   int flag;
+
+   x += pI810->CursorOffset;
+
+   if (x >= 0)
+      flag = CURSOR_X_POS;
+   else {
+      flag = CURSOR_X_NEG;
+      x = -x;
+   }
+
+   OUTREG8(CURSOR_X_LO, x & 0xFF);
+   OUTREG8(CURSOR_X_HI, (((x >> 8) & 0x07) | flag));
+
+   if (y >= 0)
+      flag = CURSOR_Y_POS;
+   else {
+      flag = CURSOR_Y_NEG;
+      y = -y;
+   }
+   OUTREG8(CURSOR_Y_LO, y & 0xFF);
+   OUTREG8(CURSOR_Y_HI, (((y >> 8) & 0x07) | flag));
+
+   OUTREG(CURSOR_BASEADDR, pI810->CursorPhysical);
+}
+
+static void
+I810ShowCursor(ScrnInfoPtr pScrn)
+{
+   I810Ptr pI810 = I810PTR(pScrn);
+   unsigned char tmp;
+
+   OUTREG(CURSOR_BASEADDR, pI810->CursorPhysical);
+   OUTREG8(CURSOR_CONTROL, CURSOR_ORIGIN_DISPLAY | CURSOR_MODE_64_3C);
+
+   tmp = INREG8(PIXPIPE_CONFIG_0);
+   tmp |= HW_CURSOR_ENABLE;
+   OUTREG8(PIXPIPE_CONFIG_0, tmp);
+}
+
+static void
+I810HideCursor(ScrnInfoPtr pScrn)
+{
+   unsigned char tmp;
+   I810Ptr pI810 = I810PTR(pScrn);
+
+   tmp = INREG8(PIXPIPE_CONFIG_0);
+   tmp &= ~HW_CURSOR_ENABLE;
+   OUTREG8(PIXPIPE_CONFIG_0, tmp);
+}
+
+static void
+I810SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
+{
+   int tmp;
+   I810Ptr pI810 = I810PTR(pScrn);
+
+   tmp = INREG8(PIXPIPE_CONFIG_0);
+   tmp |= EXTENDED_PALETTE;
+   OUTREG8(PIXPIPE_CONFIG_0, tmp);
+
+   pI810->writeStandard(pI810, DACMASK, 0xFF);
+   pI810->writeStandard(pI810, DACWX, 0x04);
+
+   pI810->writeStandard(pI810, DACDATA, (bg & 0x00FF0000) >> 16);
+   pI810->writeStandard(pI810, DACDATA, (bg & 0x0000FF00) >> 8);
+   pI810->writeStandard(pI810, DACDATA, (bg & 0x000000FF));
+
+   pI810->writeStandard(pI810, DACDATA, (fg & 0x00FF0000) >> 16);
+   pI810->writeStandard(pI810, DACDATA, (fg & 0x0000FF00) >> 8);
+   pI810->writeStandard(pI810, DACDATA, (fg & 0x000000FF));
+
+   tmp = INREG8(PIXPIPE_CONFIG_0);
+   tmp &= ~EXTENDED_PALETTE;
+   OUTREG8(PIXPIPE_CONFIG_0, tmp);
+}