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)));
294 UnmapDevice(DeviceInfo& di)
296 	SharedInfo& si = *(di.sharedInfo);
307 	di.regs = NULL;
317 	DeviceInfo& di = *((DeviceInfo*)data);
318 	int32* flags = &(di.flags);
330 		sem_id& sem = di.sharedInfo->vertBlankSem;
348 InitInterruptHandler(DeviceInfo& di)
350 	SharedInfo& si = *(di.sharedInfo);
358 	si.vertBlankSem = create_sem(0, di.name);
374 	if (status == B_OK && di.pciInfo.u.h0.interrupt_pin != 0x00
375 		&& di.pciInfo.u.h0.interrupt_line != 0xff) {
378 		status = install_io_interrupt_handler(di.pciInfo.u.h0.interrupt_line,
379 			InterruptHandler, (void*)(&di), 0);
394 InitDevice(DeviceInfo& di)
404 	pci_info& pciInfo = di.pciInfo;
411 	di.sharedArea = create_area(sharedName, (void**) &(di.sharedInfo),
416 	if (di.sharedArea < 0)
417 		return di.sharedArea;	// return error code
419 	SharedInfo& si = *(di.sharedInfo);
424 	si.chipType = di.pChipInfo->chipType;
425 	strcpy(si.chipName, di.pChipInfo->chipName);
436 	status_t status = MapDevice(di);
438 		delete_area(di.sharedArea);
439 		di.sharedArea = -1;
440 		di.sharedInfo = NULL;
444 	InitInterruptHandler(di);
634 		DeviceInfo& di = gDeviceInfo[count];
636 		const ChipInfo* pDevice = GetNextSupportedDevice(pciIndex, di.pciInfo);
641 		sprintf(di.name, "graphics/" DEVICE_FORMAT,
642 				  di.pciInfo.vendor_id, di.pciInfo.device_id,
643 				  di.pciInfo.bus, di.pciInfo.device, di.pciInfo.function);
644 		TRACE("init_driver() match found; name: %s\n", di.name);
646 		gDeviceNames[count] = di.name;
647 		di.openCount = 0;		// mark driver as available for R/W open
648 		di.sharedArea = -1;		// indicate shared area not yet created
649 		di.sharedInfo = NULL;
650 		di.pChipInfo = pDevice;
714 	DeviceInfo& di = gDeviceInfo[index];
718 	if (di.openCount == 0)
719 		status = InitDevice(di);
724 		di.openCount++;		// mark device open
725 		*cookie = &di;		// send cookie to opener
728 	TRACE("device_open() returning 0x%lx,  open count: %ld\n", status, di.openCount);
772 	DeviceInfo& di = *((DeviceInfo*)dev);
773 	SharedInfo& si = *(di.sharedInfo);
774 	pci_info& pciInfo = di.pciInfo;
782 	if (di.openCount <= 1) {
786 			remove_io_interrupt_handler(pciInfo.u.h0.interrupt_line, InterruptHandler, &di);
794 		UnmapDevice(di);	// free regs and frame buffer areas
796 		delete_area(di.sharedArea);
797 		di.sharedArea = -1;
798 		di.sharedInfo = NULL;
801 	if (di.openCount > 0)
802 		di.openCount--;		// mark device available
806 	TRACE("exit device_free() openCount: %ld\n", di.openCount);
814 	DeviceInfo& di = *((DeviceInfo*)dev);
826 			strncpy((char*)buf, di.name, B_OS_NAME_LENGTH);
834 				gpd->sharedInfoArea = di.sharedArea;