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/*
* 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 "g80_type.h"
#include "g80_cursor.h"
#include "g80_display.h"
#define CURSOR_PTR ((CARD32*)pNv->mem + pNv->videoRam * 256 - 0x1000)
void G80SetCursorPosition(xf86CrtcPtr crtc, int x, int y)
{
G80Ptr pNv = G80PTR(crtc->scrn);
const int headOff = 0x1000*G80CrtcGetHead(crtc);
x &= 0xffff;
y &= 0xffff;
pNv->reg[(0x00647084 + headOff)/4] = y << 16 | x;
pNv->reg[(0x00647080 + headOff)/4] = 0;
}
void G80LoadCursorARGB(xf86CrtcPtr crtc, CARD32 *src)
{
G80Ptr pNv = G80PTR(crtc->scrn);
CARD32 *dst = CURSOR_PTR;
/* Assume cursor is 64x64 */
memcpy(dst, src, 64 * 64 * 4);
}
Bool G80CursorAcquire(ScrnInfoPtr pScrn)
{
G80Ptr pNv = G80PTR(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->reg[(0x00610270+headOff)/4] = 0x2000;
while(pNv->reg[(0x00610270+headOff)/4] & 0x30000);
pNv->reg[(0x00610270+headOff)/4] = 1;
while((pNv->reg[(0x00610270+headOff)/4] & 0x30000) != 0x10000);
}
return TRUE;
}
void G80CursorRelease(ScrnInfoPtr pScrn)
{
G80Ptr pNv = G80PTR(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->reg[(0x00610270+headOff)/4] = 0;
while(pNv->reg[(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);
}
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