INTEN
bus_space_write_1(iot, ioh, INTDEF, (intdef | INTEN)); /* make sure we can interrupt */
bus_space_write_1(iot, ioh, DMACNTRL0, INTEN);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, DMACNTRL0, INTEN);
hcntrl &= ~INTEN;
ahd->pause &= ~INTEN;
ahd->unpause &= ~INTEN;
hcntrl |= INTEN;
ahd->pause |= INTEN;
ahd->unpause |= INTEN;
if ((ahd->pause & INTEN) == 0) {
hcntrl &= ~INTEN;
ahc->pause &= ~INTEN;
ahc->unpause &= ~INTEN;
hcntrl |= INTEN;
ahc->pause |= INTEN;
ahc->unpause |= INTEN;
if ((ahc->pause & INTEN) == 0) {
CSR_WRITE_4(sc, INTEN, sc->sc_inten);