static pointer
armMapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
{
struct memAccess *memInfoP;
if((memInfoP = checkMapInfo(FALSE, Region)) != NULL)
{
/*
** xf86 passes in a physical address offset from the start
** of physical memory, but xf86MapInfoMap expects an
** offset from the start of the specified region - it gets
** the physical address of the region from the display driver.
*/
switch(Region)
{
case LINEAR_REGION:
if (vgaPhysLinearBase)
{
Base -= vgaPhysLinearBase;
}
break;
case VGA_REGION:
Base -= 0xA0000;
break;
}
base = xf86MapInfoMap(memInfoP, Base, Size);
return (base);
}
return mapVidMem(ScreenNum, Base, Size, flags);
}
static void
armUnmapVidMem(int ScreenNum, void *Base, unsigned long Size)
{
struct memAccess *memInfoP;
if ((memInfoP = checkMapInfo(FALSE, Region)) != NULL) {
xf86MapInfoUnmap(memInfoP, Base, Size);
}
unmapVidMem(ScreenNum, Base, Size);
}
