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Diffstat (limited to 'xorg-server/hw/kdrive/i810/i810_cursor.c')
-rw-r--r--xorg-server/hw/kdrive/i810/i810_cursor.c435
1 files changed, 435 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/i810/i810_cursor.c b/xorg-server/hw/kdrive/i810/i810_cursor.c
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+++ b/xorg-server/hw/kdrive/i810/i810_cursor.c
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+/* COPYRIGHT AND PERMISSION NOTICE
+
+Copyright (c) 2000, 2001 Nokia Home Communications
+
+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, and/or sell copies of the Software, and to permit persons
+to whom the Software is furnished to do so, provided that the above
+copyright notice(s) and this permission notice appear in all copies of
+the Software and that both the above copyright notice(s) and this
+permission notice appear in supporting documentation.
+
+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 NONINFRINGEMENT
+OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY
+SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
+RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder
+shall not be used in advertising or otherwise to promote the sale, use
+or other dealings in this Software without prior written authorization
+of the copyright holder.
+
+X Window System is a trademark of The Open Group */
+
+/**************************************************************************
+
+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.
+
+**************************************************************************/
+
+/* i810_cursor.c: KDrive hardware cursor routines for the i810 chipset */
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Pontus Lidman <pontus.lidman@nokia.com>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <kdrive-config.h>
+#endif
+#include "kdrive.h"
+#include "kxv.h"
+#include "i810.h"
+#include "cursorstr.h"
+
+#define SetupCursor(s) KdScreenPriv(pScreen); \
+ i810CardInfo(pScreenPriv); \
+ i810ScreenInfo(pScreenPriv); \
+ i810Cursor *pCurPriv = &i810s->cursor
+
+
+static void
+writeStandardMMIO(I810CardInfo *i810c, int addr, CARD8 val)
+{
+ moutb(addr, val);
+}
+
+static void
+_i810MoveCursor(ScreenPtr pScreen, int x, int y)
+{
+ KdScreenPriv(pScreen);
+ i810CardInfo(pScreenPriv);
+ int flag;
+
+ if (I810_DEBUG & DEBUG_VERBOSE_CURSOR)
+ ErrorF( "I810SetCursorPosition %d %d\n", x, y);
+
+ x += i810c->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));
+
+ /* Enable cursor */
+ OUTREG( CURSOR_BASEADDR, i810c->CursorPhysical);
+ OUTREG8( CURSOR_CONTROL, CURSOR_ORIGIN_DISPLAY | CURSOR_MODE_64_3C);
+
+}
+
+static void i810LoadCursor(ScreenPtr pScreen, int x, int y);
+
+static void
+i810MoveCursor (ScreenPtr pScreen, int x, int y)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ if (!pCurPriv->has_cursor)
+ return;
+
+ if (!pScreenPriv->enabled)
+ return;
+
+ _i810MoveCursor (pScreen, x, y);
+
+ i810LoadCursor(pScreen, x, y);
+}
+
+static void
+_i810SetCursorColors(ScreenPtr pScreen)
+{
+
+ KdScreenPriv(pScreen);
+ i810CardInfo(pScreenPriv);
+ int tmp;
+
+ int bg = 0xffffff;
+ int fg = 0x000000;
+
+ tmp=INREG8(PIXPIPE_CONFIG_0);
+ tmp |= EXTENDED_PALETTE;
+ OUTREG8( PIXPIPE_CONFIG_0, tmp);
+
+ writeStandardMMIO(i810c, DACMASK, 0xFF);
+ writeStandardMMIO(i810c, DACWX, 0x04);
+
+ writeStandardMMIO(i810c, DACDATA, (bg & 0x00FF0000) >> 16);
+ writeStandardMMIO(i810c, DACDATA, (bg & 0x0000FF00) >> 8);
+ writeStandardMMIO(i810c, DACDATA, (bg & 0x000000FF));
+
+ writeStandardMMIO(i810c, DACDATA, (fg & 0x00FF0000) >> 16);
+ writeStandardMMIO(i810c, DACDATA, (fg & 0x0000FF00) >> 8);
+ writeStandardMMIO(i810c, DACDATA, (fg & 0x000000FF));
+
+ tmp=INREG8( PIXPIPE_CONFIG_0 );
+ tmp &= ~EXTENDED_PALETTE;
+ OUTREG8( PIXPIPE_CONFIG_0, tmp );
+}
+
+#define InvertBits32(v) { \
+ v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
+ v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
+ v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
+}
+
+static void i810LoadCursor(ScreenPtr pScreen, int x, int y)
+{
+ SetupCursor(pScreen);
+
+ int h;
+ unsigned int *msk, *mskLine, *src, *srcLine;
+
+ int i, j;
+ int src_stride, src_width;
+
+ CursorPtr pCursor = pCurPriv->pCursor;
+ CursorBitsPtr bits = pCursor->bits;
+ CARD8 tmp;
+ unsigned int *ram, *ramLine;
+
+ pCurPriv->pCursor = pCursor;
+ pCurPriv->xhot = pCursor->bits->xhot;
+ pCurPriv->yhot = pCursor->bits->yhot;
+
+ ramLine = (unsigned int *) (i810c->FbBase + i810c->CursorStart);
+ mskLine = (unsigned int *) (bits->mask);
+ srcLine = (unsigned int *) (bits->source);
+
+ h = bits->height;
+ if (h > I810_CURSOR_HEIGHT)
+ h = I810_CURSOR_HEIGHT;
+
+ src_stride = BitmapBytePad(bits->width); /* bytes per line */
+ src_stride = (src_stride +3) >> 2;
+ src_width = (bits->width + 31) >> 5;
+
+ for (i = 0; i < I810_CURSOR_HEIGHT; i++) {
+
+ msk = mskLine;
+ src = srcLine;
+ ram = ramLine;
+ mskLine += src_stride;
+ srcLine += src_stride;
+ ramLine += I810_CURSOR_WIDTH / 16;
+
+ for (j = 0; j < I810_CURSOR_WIDTH / 32; j++) {
+
+ unsigned long m, s;
+
+ if (i < h && j < src_width)
+ {
+ m = *msk++;
+ s = *src++ & m;
+ m = ~m;
+ /* mask off right side */
+ if (j == src_width - 1 && (bits->width & 31))
+ {
+ m |= 0xffffffff << (bits->width & 31);
+ }
+ }
+ else
+ {
+ m = 0xffffffff;
+ s = 0x00000000;
+ }
+
+ InvertBits32(s);
+ InvertBits32(m);
+
+ ram[2+j]=s;
+ ram[0+j]=m;
+ }
+ }
+ /* Set new color */
+ _i810SetCursorColors (pScreen);
+
+ /* Move to new position */
+ _i810MoveCursor (pScreen, x, y);
+
+ /* Enable cursor */
+ OUTREG( CURSOR_BASEADDR, i810c->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
+i810UnloadCursor(ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ i810CardInfo(pScreenPriv);
+
+ unsigned char tmp;
+
+ tmp=INREG8( PIXPIPE_CONFIG_0 );
+ tmp &= ~HW_CURSOR_ENABLE;
+ OUTREG8( PIXPIPE_CONFIG_0, tmp);
+}
+
+
+static Bool
+i810RealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ if (!pScreenPriv->enabled)
+ return TRUE;
+
+ /* miRecolorCursor does this */
+ if (pCurPriv->pCursor == pCursor)
+ {
+ if (pCursor)
+ {
+ int x, y;
+
+ miPointerPosition (&x, &y);
+ i810LoadCursor (pScreen, x, y);
+ }
+ }
+ return TRUE;
+}
+
+static Bool
+i810UnrealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
+{
+ return TRUE;
+}
+
+static void
+i810SetCursor (ScreenPtr pScreen, CursorPtr pCursor, int x, int y)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ pCurPriv->pCursor = pCursor;
+
+ if (!pScreenPriv->enabled)
+ return;
+
+ if (pCursor)
+ i810LoadCursor (pScreen, x, y);
+ else
+ i810UnloadCursor (pScreen);
+}
+
+miPointerSpriteFuncRec i810PointerSpriteFuncs = {
+ i810RealizeCursor,
+ i810UnrealizeCursor,
+ i810SetCursor,
+ i810MoveCursor,
+};
+
+static void
+i810QueryBestSize (int class,
+ unsigned short *pwidth, unsigned short *pheight,
+ ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ switch (class)
+ {
+ case CursorShape:
+ if (*pwidth > pCurPriv->width)
+ *pwidth = pCurPriv->width;
+ if (*pheight > pCurPriv->height)
+ *pheight = pCurPriv->height;
+ if (*pwidth > pScreen->width)
+ *pwidth = pScreen->width;
+ if (*pheight > pScreen->height)
+ *pheight = pScreen->height;
+ break;
+ default:
+ fbQueryBestSize (class, pwidth, pheight, pScreen);
+ break;
+ }
+}
+
+Bool
+i810CursorInit(ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810CardInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ if (!i810c->CursorStart) {
+ pCurPriv->has_cursor = FALSE;
+ return FALSE;
+ }
+
+ pCurPriv->width = I810_CURSOR_WIDTH;
+ pCurPriv->height= I810_CURSOR_HEIGHT;
+ pScreen->QueryBestSize = i810QueryBestSize;
+ miPointerInitialize (pScreen,
+ &i810PointerSpriteFuncs,
+ &kdPointerScreenFuncs,
+ FALSE);
+ pCurPriv->has_cursor = TRUE;
+ pCurPriv->pCursor = NULL;
+ return TRUE;
+}
+
+void
+i810CursorEnable (ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ if (pCurPriv->has_cursor)
+ {
+ if (pCurPriv->pCursor)
+ {
+ int x, y;
+
+ miPointerPosition (&x, &y);
+ i810LoadCursor (pScreen, x, y);
+ }
+ else
+ i810UnloadCursor (pScreen);
+ }
+}
+
+void
+i810CursorDisable (ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ if (!pScreenPriv->enabled)
+ return;
+
+ if (pCurPriv->has_cursor)
+ {
+ if (pCurPriv->pCursor)
+ {
+ i810UnloadCursor (pScreen);
+ }
+ }
+}
+
+void
+i810CursorFini (ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ i810ScreenInfo(pScreenPriv);
+ i810Cursor *pCurPriv = &i810s->cursor;
+
+ pCurPriv->pCursor = NULL;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 00:05:15 +0000