static int
iifun(int slot, int sr)
{
isa_intr_info_t *iinfo_p;
int s;
iinfo_p = &iinfo[slot];
/*
* Disable the interrupts
*/
if (slot == 0) {
single_inst_bclr_b(MFP->mf_imrb, IB_ISA1);
}
else {
single_inst_bclr_b(MFP->mf_imra, IA_ISA2);
}
if ((sr & PSL_IPL) >= (iinfo_p->ipl & PSL_IPL)) {
/*
* We're running at a too high priority now.
*/
add_sicallback((si_farg)iifun, (void*)slot, 0);
}
else {
s = splx(iinfo_p->ipl);
if (slot == 0) {
do {
MFP->mf_iprb = (u_int8_t)~IB_ISA1;
(void) (iinfo_p->ifunc)(iinfo_p->iarg);
} while (MFP->mf_iprb & IB_ISA1);
single_inst_bset_b(MFP->mf_imrb, IB_ISA1);
}
else {
do {
MFP->mf_ipra = (u_int8_t)~IA_ISA2;
(void) (iinfo_p->ifunc)(iinfo_p->iarg);
} while (MFP->mf_ipra & IA_ISA2);
single_inst_bset_b(MFP->mf_imra, IA_ISA2);
}
splx(s);
}
return 1;
}
void *
isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level, int (*ih_fun)(void *), void *ih_arg)
{
isa_intr_info_t *iinfo_p;
struct intrhand *ihand;
int slot;
/*
* The Hades only supports edge triggered interrupts!
*/
if (type != IST_EDGE)
return NULL;
slot = SLOTNR(irq);
iinfo_p = &iinfo[slot];
if (iinfo_p->slot >= 0)
panic("isa_intr_establish: interrupt was already established");
ihand = intr_establish((slot == 0) ? 3 : 15, USER_VEC, 0,
(hw_ifun_t)iifun, (void *)slot);
if (ihand != NULL) {
iinfo_p->slot = slot;
iinfo_p->ipl = level;
iinfo_p->ifunc = ih_fun;
iinfo_p->iarg = ih_arg;
iinfo_p->ihand = ihand;
/*
* Enable (unmask) the interrupt
*/
if (slot == 0) {
single_inst_bset_b(MFP->mf_imrb, IB_ISA1);
single_inst_bset_b(MFP->mf_ierb, IB_ISA1);
}
else {
single_inst_bset_b(MFP->mf_imra, IA_ISA2);
single_inst_bset_b(MFP->mf_iera, IA_ISA2);
}
return(iinfo_p);
}
return NULL;
}
void
drscattach(struct device *pdp, struct device *dp, void *auxp)
{
struct siop_softc *sc = (struct siop_softc *)dp;
struct zbus_args *zap;
siop_regmap_p rp;
struct scsipi_adapter *adapt = &sc->sc_adapter;
struct scsipi_channel *chan = &sc->sc_channel;
printf("\n");
zap = auxp;
sc->sc_siopp = rp = (siop_regmap_p)(DRCCADDR+PAGE_SIZE*DRSCSIPG);
/*
* CTEST7 = TT1
*/
sc->sc_clock_freq = 50; /* Clock = 50MHz */
sc->sc_ctest7 = 0x02;
alloc_sicallback();
/*
* Fill in the scsipi_adapter.
*/
memset(adapt, 0, sizeof(*adapt));
adapt->adapt_dev = &sc->sc_dev;
adapt->adapt_nchannels = 1;
adapt->adapt_openings = 7;
adapt->adapt_max_periph = 1;
adapt->adapt_request = siop_scsipi_request;
adapt->adapt_minphys = siop_minphys;
/*
* Fill in the scsipi_channel.
*/
memset(chan, 0, sizeof(*chan));
chan->chan_adapter = adapt;
chan->chan_bustype = &scsi_bustype;
chan->chan_channel = 0;
chan->chan_ntargets = 8;
chan->chan_nluns = 8;
chan->chan_id = 7;
siopinitialize(sc);
#if 0
sc->sc_isr.isr_intr = drsc_dmaintr;
sc->sc_isr.isr_arg = sc;
sc->sc_isr.isr_ipl = 4;
add_isr(&sc->sc_isr);
#else
drsc_softc = sc;
single_inst_bclr_b(*draco_intpen, DRIRQ_SCSI);
single_inst_bset_b(*draco_intena, DRIRQ_SCSI);
#endif
/*
* attach all scsi units on us
*/
config_found(dp, chan, scsiprint);
}
void
drscattach(device_t parent, device_t self, void *aux)
{
struct siop_softc *sc = device_private(self);
siop_regmap_p rp;
struct scsipi_adapter *adapt = &sc->sc_adapter;
struct scsipi_channel *chan = &sc->sc_channel;
printf("\n");
sc->sc_dev = self;
sc->sc_siopp = rp = (siop_regmap_p)(DRCCADDR+PAGE_SIZE*DRSCSIPG);
/*
* CTEST7 = TT1
*/
sc->sc_clock_freq = 50; /* Clock = 50MHz */
sc->sc_ctest7 = 0x02;
sc->sc_siop_si = softint_establish(SOFTINT_BIO,
(void (*)(void *))siopintr, sc);
/*
* Fill in the scsipi_adapter.
*/
memset(adapt, 0, sizeof(*adapt));
adapt->adapt_dev = self;
adapt->adapt_nchannels = 1;
adapt->adapt_openings = 7;
adapt->adapt_max_periph = 1;
adapt->adapt_request = siop_scsipi_request;
adapt->adapt_minphys = siop_minphys;
/*
* Fill in the scsipi_channel.
*/
memset(chan, 0, sizeof(*chan));
chan->chan_adapter = adapt;
chan->chan_bustype = &scsi_bustype;
chan->chan_channel = 0;
chan->chan_ntargets = 8;
chan->chan_nluns = 8;
chan->chan_id = 7;
siopinitialize(sc);
#if 0
sc->sc_isr.isr_intr = drsc_dmaintr;
sc->sc_isr.isr_arg = sc;
sc->sc_isr.isr_ipl = 4;
add_isr(&sc->sc_isr);
#else
drsc_softc = sc;
single_inst_bclr_b(*draco_intpen, DRIRQ_SCSI);
single_inst_bset_b(*draco_intena, DRIRQ_SCSI);
#endif
/*
* attach all scsi units on us
*/
config_found(self, chan, scsiprint);
}