2 * Copyright (c) 2007 NVIDIA, Corporation
3 * Copyright (c) 2008 Maarten Maathuis
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <cursorstr.h>
29 #include "nv_include.h"
31 Bool NV50CursorAcquire(ScrnInfoPtr pScrn)
33 NVPtr pNv = NVPTR(pScrn);
36 if (!pNv->HWCursor) return TRUE;
38 /* Initialize the cursor on each head */
39 for (i = 0; i < 2; i++) {
40 nouveauCrtcPtr crtc = pNv->crtc[i];
41 const int headOff = 0x10 * crtc->index;
43 NVWrite(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff, 0x2000);
44 while (NVRead(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff) & NV50_CRTC_CURSOR_CTRL2_STATUS_MASK);
46 NVWrite(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff, NV50_CRTC_CURSOR_CTRL2_ON);
47 while ((NVRead(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff) & NV50_CRTC_CURSOR_CTRL2_STATUS_MASK) != NV50_CRTC_CURSOR_CTRL2_STATUS_ACTIVE);
53 void NV50CursorRelease(ScrnInfoPtr pScrn)
55 NVPtr pNv = NVPTR(pScrn);
58 if (!pNv->HWCursor) return;
60 /* Release the cursor on each head */
61 for (i = 0; i < 2; i++) {
62 nouveauCrtcPtr crtc = pNv->crtc[i];
63 const int headOff = 0x10 * crtc->index;
65 NVWrite(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff, NV50_CRTC_CURSOR_CTRL2_OFF);
66 while (NVRead(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff) & NV50_CRTC_CURSOR_CTRL2_STATUS_MASK);
70 Bool NV50CursorInit(ScreenPtr pScreen)
72 return xf86_cursors_init(pScreen, 64, 64,
73 HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
74 HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 |
75 HARDWARE_CURSOR_ARGB);