isa_dmadone
isa_dmadone(ic, drq);
isa_dmadone(sc->sc_ic, sc->sc_drq);
isa_dmadone(fdc->sc_ic, fdc->sc_drq);
isa_dmadone(sc->sc_ic, sc->sc_playdrq);
isa_dmadone(sc->sc_ic, sc->sc_recdrq);
isa_dmadone(sc->sc_ic, sc->sc_drq);
isa_dmadone(sc->sc_ic, sc->chan);
isa_dmadone(sc->sc_ic, sc->chan);
isa_dmadone(sc->sc_ic, sc->sc_drq);