OHCI_TD_SET_DI
td->td_flags |= htole32(OHCI_TD_SET_DI(1));
OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1));
OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1));
td->td_flags |= htole32(OHCI_TD_SET_DI(1));