1 files changed, 104 insertions, 0 deletions
diff --git a/src/nv50_cursor.c b/src/nv50_cursor.c
new file mode 100644
index 0000000..4c3a44a
--- /dev/null
+++ b/src/nv50_cursor.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2007 NVIDIA, Corporation
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <cursorstr.h>
+
+#include "nv_include.h"
+#include "nv50_type.h"
+#include "nv50_cursor.h"
+#include "nv50_display.h"
+
+#define CURSOR_PTR ((CARD32*)pNv->Cursor->map)
+
+void G80SetCursorPosition(xf86CrtcPtr crtc, int x, int y)
+{
+    NVPtr pNv = NVPTR(crtc->scrn);
+    const int headOff = 0x1000*G80CrtcGetHead(crtc);
+
+    x &= 0xffff;
+    y &= 0xffff;
+    pNv->REGS[(0x00647084 + headOff)/4] = y << 16 | x;
+    pNv->REGS[(0x00647080 + headOff)/4] = 0;
+}
+
+void G80LoadCursorARGB(xf86CrtcPtr crtc, CARD32 *src)
+{
+    NVPtr pNv = NVPTR(crtc->scrn);
+    CARD32 *dst = CURSOR_PTR;
+
+    /* Assume cursor is 64x64 */
+    memcpy(dst, src, 64 * 64 * 4);
+}
+
+Bool G80CursorAcquire(ScrnInfoPtr pScrn)
+{
+    NVPtr pNv = NVPTR(pScrn);
+    xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int i;
+
+    if(!pNv->HWCursor) return TRUE;
+
+    /* Initialize the cursor on each head */
+    for(i = 0; i < xf86_config->num_crtc; i++) {
+        const int headOff = 0x10 * G80CrtcGetHead(xf86_config->crtc[i]);
+
+        pNv->REGS[(0x00610270+headOff)/4] = 0x2000;
+        while(pNv->REGS[(0x00610270+headOff)/4] & 0x30000);
+
+        pNv->REGS[(0x00610270+headOff)/4] = 1;
+        while((pNv->REGS[(0x00610270+headOff)/4] & 0x30000) != 0x10000);
+    }
+
+    return TRUE;
+}
+
+void G80CursorRelease(ScrnInfoPtr pScrn)
+{
+    NVPtr pNv = NVPTR(pScrn);
+    xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int i;
+
+    if(!pNv->HWCursor) return;
+
+    /* Release the cursor on each head */
+    for(i = 0; i < xf86_config->num_crtc; i++) {
+        const int headOff = 0x10 * G80CrtcGetHead(xf86_config->crtc[i]);
+
+        pNv->REGS[(0x00610270+headOff)/4] = 0;
+        while(pNv->REGS[(0x00610270+headOff)/4] & 0x30000);
+    }
+}
+
+Bool G80CursorInit(ScreenPtr pScreen)
+{
+    return xf86_cursors_init(pScreen, 64, 64,
+            HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
+            HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 |
+            HARDWARE_CURSOR_ARGB);
+}