graphics/intel_810/driver.cpp

120 #define INREG16(addr)		(*((vuint16*)(di.regs + (addr))))
121 #define INREG32(addr)		(*((vuint32*)(di.regs + (addr))))
123 #define OUTREG16(addr, val)	(*((vuint16*)(di.regs + (addr))) = (val))
124 #define OUTREG32(addr, val)	(*((vuint32*)(di.regs + (addr))) = (val))
242 InitDevice(DeviceInfo& di)
254 	di.sharedArea = create_area("i810 shared info",
255 		(void**) &(di.sharedInfo),
260 	if (di.sharedArea < 0)
261 		return di.sharedArea;	// return error code
263 	SharedInfo& si = *(di.sharedInfo);
268 	pci_info& pciInfo = di.pciInfo;
273 	strcpy(si.chipName, di.pChipInfo->chipName);
290 		(void**)&di.regs);
300 	di.gttArea = create_area("GTT memory", (void**) &(di.gttAddr),
304 	if (di.gttArea < B_OK) {
305 		TRACE("Unable to create GTT, error: 0x%" B_PRIx32 "\n", di.gttArea);
309 	memset((void*)(di.gttAddr), 0, gttSize);
314 	status_t status = get_memory_map((void *)(di.gttAddr),
362 DeleteAreas(DeviceInfo& di)
366 	if (di.sharedArea >= 0 && di.sharedInfo != NULL) {
367 		SharedInfo& si = *(di.sharedInfo);
374 	if (di.gttArea >= 0)
375 		delete_area(di.gttArea);
376 	di.gttArea = -1;
377 	di.gttAddr = (addr_t)NULL;
379 	if (di.sharedArea >= 0)
380 		delete_area(di.sharedArea);
381 	di.sharedArea = -1;
382 	di.sharedInfo = NULL;
476 		DeviceInfo& di = gDeviceInfo[count];
478 		const ChipInfo* pDevice = GetNextSupportedDevice(pciIndex, di.pciInfo);
483 		sprintf(di.name, "graphics/" DEVICE_FORMAT,
484 			di.pciInfo.vendor_id, di.pciInfo.device_id,
485 			di.pciInfo.bus, di.pciInfo.device, di.pciInfo.function);
486 		TRACE("init_driver() match found; name: %s\n", di.name);
488 		gDeviceNames[count] = di.name;
489 		di.openCount = 0;		// mark driver as available for R/W open
490 		di.sharedArea = -1;		// indicate shared area not yet created
491 		di.sharedInfo = NULL;
492 		di.gttArea = -1;		// indicate GTT area not yet created
493 		di.gttAddr = (addr_t)NULL;
494 		di.pChipInfo = pDevice;
559 	DeviceInfo& di = gDeviceInfo[i];
563 	if (di.openCount == 0) {
564 		status = InitDevice(di);
566 			DeleteAreas(di);	// error occurred; delete any areas created
572 		di.openCount++;		// mark device open
573 		*cookie = &di;		// send cookie to opener
577 		"open count: %" B_PRId32 "\n", status, di.openCount);
623 	DeviceInfo& di = *((DeviceInfo*)dev);
631 	if (di.openCount <= 1)
632 		DeleteAreas(di);
634 	if (di.openCount > 0)
635 		di.openCount--;		// mark device available
639 	TRACE("exit device_free() openCount: %" B_PRId32 "\n", di.openCount);
647 	DeviceInfo& di = *((DeviceInfo*)dev);
659 			strncpy((char*)buffer, di.name, B_OS_NAME_LENGTH);
667 			*((area_id*)buffer) = di.sharedArea;