int
le_fwio_intr(void *v)
{
struct le_fwio_softc *lsc = (struct le_fwio_softc *)v;
struct lance_softc *sc = &lsc->sc_am7990.lsc;
int rc;
/*
* FBIC expects edge interrupts, while the LANCE does level
* interrupts. To avoid missing interrupts while servicing,
* we disable further device interrupts while servicing.
*
* However, am7990_intr() will flip the interrupt enable bit
* itself; we override wrcsr with a specific version during
* servicing, so as not to reenable interrupts accidentally...
*/
sc->sc_wrcsr = le_fwio_wrcsr_interrupt;
rc = am7990_intr(v);
sc->sc_wrcsr = le_fwio_wrcsr;
/*
* ...but we should not forget to reenable interrupts at this point!
*/
le_fwio_wrcsr(sc, LE_CSR0, LE_C0_INEA | le_fwio_rdcsr(sc, LE_CSR0));
return rc;
}
int
leintr(int unit)
{
struct am7990_softc *sc;
if (unit >= le_cd.cd_ndevs) /* XXX */
return 0;
sc = device_lookup_private(&le_cd, unit);
return am7990_intr(sc);
}
