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+/* Copyright (c) 2003-2007 Advanced Micro Devices, Inc.
+ *
+ * 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Neither the name of the Advanced Micro Devices, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86Pci.h"
+#include "xf86PciInfo.h"
+#include "geode.h"
+
+/* Forward declarations of the functions */
+static void LXSetCursorColors(ScrnInfoPtr pScrni, int bg, int fg);
+static void LXSetCursorPosition(ScrnInfoPtr pScrni, int x, int y);
+static Bool LXUseHWCursor(ScreenPtr pScrn, CursorPtr pCurs);
+extern void LXSetVideoPosition(int x, int y, int width, int height,
+ short src_w, short src_h, short drw_w,
+ short drw_h, int id, int offset, ScrnInfoPtr pScrn);
+
+Bool
+LXHWCursorInit(ScreenPtr pScrn)
+{
+ ScrnInfoPtr pScrni = xf86Screens[pScrn->myNum];
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+ xf86CursorInfoPtr infoPtr;
+
+ infoPtr = xf86CreateCursorInfoRec();
+ if (!infoPtr)
+ return FALSE;
+ /* the geode structure is intiallized with the cursor infoRec */
+ pGeode->CursorInfo = infoPtr;
+ infoPtr->MaxWidth = 32;
+ infoPtr->MaxHeight = 32;
+ /* seeting up the cursor flags */
+ infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
+ HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
+ HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED;
+
+ infoPtr->SetCursorColors = LXSetCursorColors;
+ infoPtr->SetCursorPosition = LXSetCursorPosition;
+ infoPtr->LoadCursorImage = LXLoadCursorImage;
+ infoPtr->HideCursor = LXHideCursor;
+ infoPtr->ShowCursor = LXShowCursor;
+ infoPtr->UseHWCursor = LXUseHWCursor;
+
+ return (xf86InitCursor(pScrn, infoPtr));
+}
+
+static void
+LXSetCursorColors(ScrnInfoPtr pScrni, int bg, int fg)
+{
+ vg_set_mono_cursor_colors(bg, fg);
+}
+
+static void
+LXSetCursorPosition(ScrnInfoPtr pScrni, int x, int y)
+{
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+ int savex, savey;
+ int newX, newY;
+ int hsx, hsy;
+
+ /* Adjust xf86HWCursor messing about */
+
+ savex = x + pScrni->frameX0;
+ savey = y + pScrni->frameY0;
+
+ switch(pGeode->rotation) {
+ default:
+ ErrorF("%s:%d invalid rotation %d\n", __func__, __LINE__, pGeode->rotation);
+ case RR_Rotate_0:
+ newX = savex; newY = savey;
+ hsx= 31; hsy = 31;
+ break;
+
+ case RR_Rotate_270:
+ newX = savey;
+ newY = pScrni->pScreen->width - savex;
+ hsx= 31; hsy = 0;
+ break;
+
+ case RR_Rotate_180:
+ newX = pScrni->pScreen->width - savex;
+ newY = pScrni->pScreen->height - savey;
+ hsx = 0; hsy = 0;
+ break;
+
+ case RR_Rotate_90:
+ newX = pScrni->pScreen->height - savey;
+ newY = savex;
+ hsx= 0; hsy= 31;
+ break;
+ }
+
+ newX -= pScrni->frameX0;
+ newY -= pScrni->frameY0;
+
+ {
+ VG_PANNING_COORDINATES panning;
+ vg_set_cursor_position(newX + hsx, newY + hsy, &panning);
+ }
+
+ vg_set_cursor_enable(1);
+
+ /* FIXME: Adjust for video panning? */
+}
+
+void
+LXLoadCursorImage(ScrnInfoPtr pScrni, unsigned char *src)
+{
+ int i, n, x, y, newX, newY;
+ unsigned long andMask[32], xorMask[32];
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+ unsigned long mskb, rowb;
+ unsigned char *rowp = &src[0];
+ unsigned char *mskp = &src[128];
+
+ if (src != NULL) {
+ mskb = rowb = 0;
+ for (y = 32; --y >= 0;)
+ andMask[y] = xorMask[y] = 0;
+ for (y = 0; y < 32; ++y) {
+ for (x = 0; x < 32; ++x) {
+ if ((i = x & 7) == 0) {
+ rowb = (*rowp & *mskp);
+ mskb = ~(*mskp);
+ ++rowp;
+ ++mskp;
+ }
+
+ switch(pGeode->rotation) {
+ default:
+ ErrorF("%s:%d invalid rotation %d\n", __func__, __LINE__,
+ pGeode->rotation);
+ case RR_Rotate_0:
+ newX = x;
+ newY = y;
+ break;
+ case RR_Rotate_270:
+ newX = y;
+ newY = 31 - x;
+ break;
+ case RR_Rotate_180:
+ newX = 31 - x;
+ newY = 31 - y;
+ break;
+ case RR_Rotate_90:
+ newX = 31 - y;
+ newY = x;
+ break;
+ }
+
+ i = 7 - i;
+ n = 31 - newX;
+ andMask[newY] |= (((mskb >> i) & 1) << n);
+ xorMask[newY] |= (((rowb >> i) & 1) << n);
+ }
+ }
+ } else {
+ for (y = 32; --y >= 0;) {
+ andMask[y] = ~0;
+ xorMask[y] = 0;
+ }
+ }
+
+ vg_set_mono_cursor_shape32(pGeode->CursorStartOffset,&andMask[0],&xorMask[0],31,31);
+}
+
+void
+LXHideCursor(ScrnInfoPtr pScrni)
+{
+ vg_set_cursor_enable(0);
+}
+
+void
+LXShowCursor(ScrnInfoPtr pScrni)
+{
+ vg_set_cursor_enable(1);
+}
+
+static Bool
+LXUseHWCursor(ScreenPtr pScrn, CursorPtr pCurs)
+{
+ ScrnInfoPtr pScrni = XF86SCRNINFO(pScrn);
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+
+ return pGeode->HWCursor;
+}