HelenOS sources

root/uspace/drv/bus/usb/ehci/

[..]
doc/ ehci_batch.c ehci_batch.h ehci_bus.c ehci_bus.h
ehci_regs.h ehci_rh.c ehci_rh.h endpoint_list.c endpoint_list.h
hc.c hc.h hw_struct/ main.c res.c
res.h
[..]
HelenOS homepage, sources at GitHub