CNW_REG_ASR
asr = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CNW_REG_ASR);
sc->sc_memoff + CNW_IOM_OFF + CNW_REG_ASR);
asr = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CNW_REG_ASR);
sc->sc_memoff + CNW_IOM_OFF + CNW_REG_ASR);
status = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CNW_REG_ASR);
sc->sc_memoff + CNW_IOM_OFF + CNW_REG_ASR);