TCIC_R_DATA
val2 = bus_space_read_2(iot, ioh, TCIC_R_DATA);
val = bus_space_read_2(h->sc->iot, h->sc->ioh, TCIC_R_DATA);
bus_space_write_2(h->sc->iot, h->sc->ioh, TCIC_R_DATA, (data));