int
rtk_intr(void *arg)
{
struct rtk_softc *sc;
struct ifnet *ifp;
uint16_t status;
int handled;
sc = arg;
ifp = &sc->ethercom.ec_if;
if (!device_has_power(sc->sc_dev))
return 0;
/* Disable interrupts. */
CSR_WRITE_2(sc, RTK_IMR, 0x0000);
handled = 0;
for (;;) {
status = CSR_READ_2(sc, RTK_ISR);
if (status == 0xffff)
break; /* Card is gone... */
if (status)
CSR_WRITE_2(sc, RTK_ISR, status);
if ((status & RTK_INTRS) == 0)
break;
handled = 1;
if (status & RTK_ISR_RX_OK)
rtk_rxeof(sc);
if (status & RTK_ISR_RX_ERR)
rtk_rxeof(sc);
if (status & (RTK_ISR_TX_OK|RTK_ISR_TX_ERR))
rtk_txeof(sc);
if (status & RTK_ISR_SYSTEM_ERR) {
rtk_reset(sc);
rtk_init(ifp);
}
}
/* Re-enable interrupts. */
CSR_WRITE_2(sc, RTK_IMR, RTK_INTRS);
if (IFQ_IS_EMPTY(&ifp->if_snd) == 0)
rtk_start(ifp);
rnd_add_uint32(&sc->rnd_source, status);
return handled;
}
static int
auich_intr(void *v)
{
struct auich_softc *sc;
int ret, gsts;
#ifdef DIAGNOSTIC
int csts;
#endif
sc = v;
if (!device_has_power(sc->sc_dev))
return (0);
mutex_spin_enter(&sc->sc_intr_lock);
ret = 0;
#ifdef DIAGNOSTIC
csts = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
if (csts & PCI_STATUS_MASTER_ABORT) {
printf("auich_intr: PCI master abort\n");
}
#endif
gsts = bus_space_read_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset);
DPRINTF(ICH_DEBUG_INTR, ("auich_intr: gsts=0x%x\n", gsts));
if ((sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_POINT) ||
(sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_MOINT)) {
int sts;
sts = bus_space_read_2(sc->iot, sc->aud_ioh,
ICH_PCMO + sc->sc_sts_reg);
DPRINTF(ICH_DEBUG_INTR,
("auich_intr: osts=0x%x\n", sts));
if (sts & ICH_FIFOE)
printf("%s: fifo underrun\n", device_xname(sc->sc_dev));
if (sts & ICH_BCIS)
auich_intr_pipe(sc, ICH_PCMO, &sc->pcmo);
/* int ack */
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO +
sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
bus_space_write_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset, ICH_POINT);
else
bus_space_write_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset, ICH_MOINT);
ret++;
}
if ((sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_PIINT) ||
(sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_MIINT)) {
int sts;
sts = bus_space_read_2(sc->iot, sc->aud_ioh,
ICH_PCMI + sc->sc_sts_reg);
DPRINTF(ICH_DEBUG_INTR,
("auich_intr: ists=0x%x\n", sts));
if (sts & ICH_FIFOE)
printf("%s: fifo overrun\n", device_xname(sc->sc_dev));
if (sts & ICH_BCIS)
auich_intr_pipe(sc, ICH_PCMI, &sc->pcmi);
/* int ack */
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMI +
sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
bus_space_write_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset, ICH_PIINT);
else
bus_space_write_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset, ICH_MIINT);
ret++;
}
if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_MINT) {
int sts;
sts = bus_space_read_2(sc->iot, sc->aud_ioh,
ICH_MICI + sc->sc_sts_reg);
DPRINTF(ICH_DEBUG_INTR,
("auich_intr: ists=0x%x\n", sts));
if (sts & ICH_FIFOE)
printf("%s: fifo overrun\n", device_xname(sc->sc_dev));
if (sts & ICH_BCIS)
auich_intr_pipe(sc, ICH_MICI, &sc->mici);
/* int ack */
bus_space_write_2(sc->iot, sc->aud_ioh, ICH_MICI +
sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
bus_space_write_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset, ICH_MINT);
ret++;
}
#ifdef AUICH_MODEM_DEBUG
if (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_GSCI) {
printf("%s: gsts=0x%x\n", device_xname(sc->sc_dev), gsts);
/* int ack */
bus_space_write_4(sc->iot, sc->aud_ioh,
ICH_GSTS + sc->sc_modem_offset, ICH_GSCI);
ret++;
}
#endif
mutex_spin_exit(&sc->sc_intr_lock);
return ret;
}
