ICH_PCMO
auich_halt_pipe(sc, ICH_PCMO);
ICH_PCMO + sc->sc_sts_reg);
auich_intr_pipe(sc, ICH_PCMO, &sc->pcmo);
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO +
bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_BDBAR,
auich_trigger_pipe(sc, ICH_PCMO, &sc->pcmo);