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/*
* Copyright (c) 2007 NVIDIA, Corporation
* Copyright (c) 2008 Maarten Maathuis
*
* 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.
*/
#include <string.h>
#include <cursorstr.h>
#include "nv_include.h"
Bool NV50CursorAcquire(ScrnInfoPtr pScrn)
{
NVPtr pNv = NVPTR(pScrn);
int i;
if (!pNv->HWCursor) return TRUE;
/* Initialize the cursor on each head */
for (i = 0; i < 2; i++) {
nouveauCrtcPtr crtc = pNv->crtc[i];
const int headOff = 0x10 * crtc->index;
NVWrite(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff, 0x2000);
while (NVRead(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff) & NV50_CRTC_CURSOR_CTRL2_STATUS_MASK);
NVWrite(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff, NV50_CRTC_CURSOR_CTRL2_ON);
while ((NVRead(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff) & NV50_CRTC_CURSOR_CTRL2_STATUS_MASK) != NV50_CRTC_CURSOR_CTRL2_STATUS_ACTIVE);
}
return TRUE;
}
void NV50CursorRelease(ScrnInfoPtr pScrn)
{
NVPtr pNv = NVPTR(pScrn);
int i;
if (!pNv->HWCursor) return;
/* Release the cursor on each head */
for (i = 0; i < 2; i++) {
nouveauCrtcPtr crtc = pNv->crtc[i];
const int headOff = 0x10 * crtc->index;
NVWrite(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff, NV50_CRTC_CURSOR_CTRL2_OFF);
while (NVRead(pNv, NV50_CRTC0_CURSOR_CTRL2 + headOff) & NV50_CRTC_CURSOR_CTRL2_STATUS_MASK);
}
}
Bool NV50CursorInit(ScreenPtr pScreen)
{
return xf86_cursors_init(pScreen, 64, 64,
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 |
HARDWARE_CURSOR_ARGB);
}
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