graphics/s3/driver.cpp

180 MapDevice(DeviceInfo& di)
183 	SharedInfo& si = *(di.sharedInfo);
184 	pci_info& pciInfo = di.pciInfo;
209 	if (S3_SAVAGE_FAMILY(di.pChipInfo->chipType)) {
210 		if (S3_SAVAGE_3D_SERIES(di.pChipInfo->chipType)) {
249 		(void**)(&(di.regs)));
293 UnmapDevice(DeviceInfo& di)
295 	SharedInfo& si = *(di.sharedInfo);
306 	di.regs = NULL;
316 	DeviceInfo& di = *((DeviceInfo*)data);
317 	int32* flags = &(di.flags);
329 		sem_id& sem = di.sharedInfo->vertBlankSem;
347 InitInterruptHandler(DeviceInfo& di)
349 	SharedInfo& si = *(di.sharedInfo);
357 	si.vertBlankSem = create_sem(0, di.name);
373 	if (status == B_OK && di.pciInfo.u.h0.interrupt_pin != 0x00
374 		&& di.pciInfo.u.h0.interrupt_line != 0xff) {
377 		status = install_io_interrupt_handler(di.pciInfo.u.h0.interrupt_line,
378 			InterruptHandler, (void*)(&di), 0);
393 InitDevice(DeviceInfo& di)
403 	pci_info& pciInfo = di.pciInfo;
410 	di.sharedArea = create_area(sharedName, (void**) &(di.sharedInfo),
414 	if (di.sharedArea < 0)
415 		return di.sharedArea;	// return error code
417 	SharedInfo& si = *(di.sharedInfo);
422 	si.chipType = di.pChipInfo->chipType;
423 	strcpy(si.chipName, di.pChipInfo->chipName);
434 	status_t status = MapDevice(di);
436 		delete_area(di.sharedArea);
437 		di.sharedArea = -1;
438 		di.sharedInfo = NULL;
442 	InitInterruptHandler(di);
632 		DeviceInfo& di = gDeviceInfo[count];
634 		const ChipInfo* pDevice = GetNextSupportedDevice(pciIndex, di.pciInfo);
639 		sprintf(di.name, "graphics/" DEVICE_FORMAT,
640 				  di.pciInfo.vendor_id, di.pciInfo.device_id,
641 				  di.pciInfo.bus, di.pciInfo.device, di.pciInfo.function);
642 		TRACE("init_driver() match found; name: %s\n", di.name);
644 		gDeviceNames[count] = di.name;
645 		di.openCount = 0;		// mark driver as available for R/W open
646 		di.sharedArea = -1;		// indicate shared area not yet created
647 		di.sharedInfo = NULL;
648 		di.pChipInfo = pDevice;
711 	DeviceInfo& di = gDeviceInfo[index];
715 	if (di.openCount == 0)
716 		status = InitDevice(di);
721 		di.openCount++;		// mark device open
722 		*cookie = &di;		// send cookie to opener
725 	TRACE("device_open() returning 0x%lx,  open count: %ld\n", status, di.openCount);
769 	DeviceInfo& di = *((DeviceInfo*)dev);
770 	SharedInfo& si = *(di.sharedInfo);
771 	pci_info& pciInfo = di.pciInfo;
779 	if (di.openCount <= 1) {
783 			remove_io_interrupt_handler(pciInfo.u.h0.interrupt_line, InterruptHandler, &di);
791 		UnmapDevice(di);	// free regs and frame buffer areas
793 		delete_area(di.sharedArea);
794 		di.sharedArea = -1;
795 		di.sharedInfo = NULL;
798 	if (di.openCount > 0)
799 		di.openCount--;		// mark device available
803 	TRACE("exit device_free() openCount: %ld\n", di.openCount);
811 	DeviceInfo& di = *((DeviceInfo*)dev);
823 			strncpy((char*)buf, di.name, B_OS_NAME_LENGTH);
831 				gpd->sharedInfoArea = di.sharedArea;