static Bool
I810_SetMode(ScrnInfoPtr pScrn, DGAModePtr pMode)
{
int index = pScrn->pScreen->myNum;
I810Ptr pI810 = I810PTR(pScrn);
MARKER();
if (!pMode) { /* restore the original mode */
DPRINTF(PFX, "Restoring original mode (from DGA mode)\n");
if (pI810->DGAactive) {
pScrn->currentMode = I810SavedDGAModes[index];
pScrn->SwitchMode(index, pScrn->currentMode, 0);
pScrn->AdjustFrame(index, 0, 0, 0);
pI810->DGAactive = FALSE;
}
} else {
if (!pI810->DGAactive) {
DPRINTF(PFX, "Setting DGA mode\n");
I810SavedDGAModes[index] = pScrn->currentMode;
pI810->DGAactive = TRUE;
}
pScrn->SwitchMode(index, pMode->mode, 0);
}
return TRUE;
}
static void
I810_SetViewport(ScrnInfoPtr pScrn, int x, int y, int flags)
{
I810Ptr pI810 = I810PTR(pScrn);
vgaHWPtr hwp = VGAHWPTR(pScrn);
pScrn->AdjustFrame(ADJUST_FRAME_ARGS(pScrn, x, y));
/* wait for retrace */
while ((hwp->readST01(hwp) & 0x08)) ;
while (!(hwp->readST01(hwp) & 0x08)) ;
pI810->DGAViewportStatus = 0;
}
static void
I810_SetViewport(ScrnInfoPtr pScrn, int x, int y, int flags)
{
I810Ptr pI810 = I810PTR(pScrn);
vgaHWPtr hwp = VGAHWPTR(pScrn);
MARKER();
pScrn->AdjustFrame(pScrn->pScreen->myNum, x, y, flags);
/* wait for retrace */
while ((hwp->readST01(hwp) & 0x08)) ;
while (!(hwp->readST01(hwp) & 0x08)) ;
pI810->DGAViewportStatus = 0;
}
static Bool
PSB_SetMode(ScrnInfoPtr pScrn, DGAModePtr pMode)
{
if (!pMode) {
if (saved) {
pScrn->AdjustFrame(pScrn->pScreen->myNum, 0, 0, 0);
xf86SwitchMode(pScrn->pScreen, saved);
pScrn->displayWidth = saved->HDisplay;
saved = NULL;
}
} else {
if (!saved) {
saved = pScrn->currentMode;
xf86SwitchMode(pScrn->pScreen, pMode->mode);
pScrn->displayWidth = pMode->mode->HDisplay;
pMode->bytesPerScanline =
pScrn->displayWidth * (pScrn->bitsPerPixel >> 3);
pMode->pixmapWidth = pScrn->displayWidth;
}
}
static Bool
I810_SetMode(ScrnInfoPtr pScrn, DGAModePtr pMode)
{
int index = pScrn->pScreen->myNum;
I810Ptr pI810 = I810PTR(pScrn);
if (!pMode) { /* restore the original mode */
if (pI810->DGAactive) {
pScrn->currentMode = I810SavedDGAModes[index];
pScrn->SwitchMode(SWITCH_MODE_ARGS(pScrn, pScrn->currentMode));
pScrn->AdjustFrame(ADJUST_FRAME_ARGS(pScrn, 0, 0));
pI810->DGAactive = FALSE;
}
} else {
if (!pI810->DGAactive) {
I810SavedDGAModes[index] = pScrn->currentMode;
pI810->DGAactive = TRUE;
}
pScrn->SwitchMode(SWITCH_MODE_ARGS(pScrn, pMode->mode));
}
return TRUE;
}
static void
xf86PointerMoved(int scrnIndex, int x, int y)
{
Bool frameChanged = FALSE;
ScrnInfoPtr pScr = xf86Screens[scrnIndex];
/*
* check wether (x,y) belongs to the visual part of the screen
* if not, change the base of the displayed frame accoring
*/
if ( pScr->frameX0 > x) {
pScr->frameX0 = x;
pScr->frameX1 = x + pScr->currentMode->HDisplay - 1;
frameChanged = TRUE ;
}
if ( pScr->frameX1 < x) {
pScr->frameX1 = x + 1;
pScr->frameX0 = x - pScr->currentMode->HDisplay + 1;
frameChanged = TRUE ;
}
if ( pScr->frameY0 > y) {
pScr->frameY0 = y;
pScr->frameY1 = y + pScr->currentMode->VDisplay - 1;
frameChanged = TRUE;
}
if ( pScr->frameY1 < y) {
pScr->frameY1 = y;
pScr->frameY0 = y - pScr->currentMode->VDisplay + 1;
frameChanged = TRUE;
}
if (frameChanged && pScr->AdjustFrame != NULL)
pScr->AdjustFrame(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0);
}
static void
xf86_dga_set_viewport(ScrnInfoPtr scrn, int x, int y, int flags)
{
scrn->AdjustFrame(scrn->pScreen->myNum, x, y, flags);
}
static void
xf86_dga_set_viewport(ScrnInfoPtr scrn, int x, int y, int flags)
{
scrn->AdjustFrame(scrn, x, y);
}
