busses/usb/uhci.cpp

578 	// Setup the frame list
584 		TRACE_ERROR("unable to create an area for the frame pointer list\n");
588 	// Set base pointer and reset frame number
1277 	// descriptors from the frame list, as descriptors are not link to each
1329 		// find the first available frame with enough bandwidth.
1330 		// This should always be the case, as defining the starting frame
1332 		// is that frame numbers value are host controller specific, and the
1342 		// Find out if the frame number specified has enough bandwidth,
1343 		// otherwise find the first next available frame with enough bandwidth
1375 	TRACE("appended isochronous transfer by starting at frame number %d\n",
1424 UHCI::LinkIsochronousDescriptor(uhci_td *descriptor, uint16 frame)
1428 	// in that frame.
1430 		if (!fFirstIsochronousDescriptor[frame]) {
1432 			fFrameList[frame] = descriptor->this_phy & ~FRAMELIST_NEXT_IS_QH;
1433 			fFirstIsochronousDescriptor[frame] = descriptor;
1434 			fLastIsochronousDescriptor[frame] = descriptor;
1437 			fLastIsochronousDescriptor[frame]->link_log = descriptor;
1438 			fLastIsochronousDescriptor[frame]->link_phy
1440 			fLastIsochronousDescriptor[frame] = descriptor;
1453 UHCI::UnlinkIsochronousDescriptor(uint16 frame)
1457 		uhci_td *descriptor = fFirstIsochronousDescriptor[frame];
1460 			fFrameList[frame] = descriptor->link_phy;
1462 				fFirstIsochronousDescriptor[frame]
1465 				fFirstIsochronousDescriptor[frame] = NULL;
1466 				fLastIsochronousDescriptor[frame] = NULL;
1707 			// wait for the frame to pass
1768 		// Process the frame list until one transfer is processed
1775 			// Process the frame till it has isochronous descriptors in it.
1826 			// Make sure to reset the frame bandwidth