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Always enable SCSI IRQ interrupt; the SBC_INTR flag now controls only

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the SCSI DRQ interrupt, for "blind" transfers.
This commit is contained in:
scottr 1997-04-07 05:56:28 +00:00
parent 98f47c009f
commit f65f7e9b21
2 changed files with 64 additions and 40 deletions
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52
sys/arch/mac68k/dev/sbc_obio.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sbc_obio.c,v 1.2 1997/03/15 18:10:01 is Exp $ */
/* $NetBSD: sbc_obio.c,v 1.3 1997/04/07 05:56:28 scottr Exp $ */
/*
* Copyright (C) 1996,1997 Scott Reynolds. All rights reserved.
@ -210,26 +210,21 @@ sbc_obio_attach(parent, self, args)
ncr_sc->sc_dma_eop = sbc_dma_eop;
ncr_sc->sc_dma_stop = sbc_dma_stop;
via2_register_irq(VIA2_SCSIDRQ, sbc_drq_intr, ncr_sc);
via2_register_irq(VIA2_SCSIIRQ, sbc_irq_intr, ncr_sc);
} else
ncr_sc->sc_flags |= NCR5380_FORCE_POLLING;
}
via2_register_irq(VIA2_SCSIIRQ, sbc_irq_intr, ncr_sc);
sc->sc_clrintr = sbc_obio_clrintr;
if ((sc->sc_options & SBC_RESELECT) == 0)
ncr_sc->sc_no_disconnect = 0xff;
if (sc->sc_options & SBC_INTR)
sc->sc_clrintr = sbc_obio_clrintr;
else
sc->sc_clrintr = NULL;
if (sc->sc_options)
printf(": options=%s", bitmask_snprintf(sc->sc_options,
SBC_OPTIONS_BITS, bits, sizeof(bits)));
printf("\n");
/* Now enable SCSI interrupts through VIA2, if appropriate */
if (sc->sc_options & SBC_INTR)
sbc_intr_enable(ncr_sc);
/* Enable SCSI interrupts through VIA2 */
sbc_intr_enable(ncr_sc);
#ifdef SBC_DEBUG
if (sbc_debug)
@ -253,13 +248,18 @@ void
sbc_intr_enable(ncr_sc)
struct ncr5380_softc *ncr_sc;
{
int s;
struct sbc_softc *sc = (struct sbc_softc *)ncr_sc;
int s, flags;
flags = V2IF_SCSIIRQ;
if (sc->sc_options & SBC_INTR)
flags |= V2IF_SCSIDRQ;
s = splhigh();
if (VIA2 == VIA2OFF)
via2_reg(vIER) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(vIER) = 0x80 | flags;
else
via2_reg(rIER) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(rIER) = 0x80 | flags;
splx(s);
}
@ -267,13 +267,18 @@ void
sbc_intr_disable(ncr_sc)
struct ncr5380_softc *ncr_sc;
{
int s;
struct sbc_softc *sc = (struct sbc_softc *)ncr_sc;
int s, flags;
flags = V2IF_SCSIIRQ;
if (sc->sc_options & SBC_INTR)
flags |= V2IF_SCSIDRQ;
s = splhigh();
if (VIA2 == VIA2OFF)
via2_reg(vIER) = (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(vIER) = flags;
else
via2_reg(rIER) = (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(rIER) = flags;
splx(s);
}
@ -281,8 +286,15 @@ void
sbc_obio_clrintr(ncr_sc)
struct ncr5380_softc *ncr_sc;
{
struct sbc_softc *sc = (struct sbc_softc *)ncr_sc;
int flags;
flags = V2IF_SCSIIRQ;
if (sc->sc_options & SBC_INTR)
flags |= V2IF_SCSIDRQ;
if (VIA2 == VIA2OFF)
via2_reg(vIFR) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(vIFR) = 0x80 | flags;
else
via2_reg(rIFR) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(rIFR) = 0x80 | flags;
}

52
sys/arch/mac68k/obio/sbc_obio.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sbc_obio.c,v 1.2 1997/03/15 18:10:01 is Exp $ */
/* $NetBSD: sbc_obio.c,v 1.3 1997/04/07 05:56:28 scottr Exp $ */
/*
* Copyright (C) 1996,1997 Scott Reynolds. All rights reserved.
@ -210,26 +210,21 @@ sbc_obio_attach(parent, self, args)
ncr_sc->sc_dma_eop = sbc_dma_eop;
ncr_sc->sc_dma_stop = sbc_dma_stop;
via2_register_irq(VIA2_SCSIDRQ, sbc_drq_intr, ncr_sc);
via2_register_irq(VIA2_SCSIIRQ, sbc_irq_intr, ncr_sc);
} else
ncr_sc->sc_flags |= NCR5380_FORCE_POLLING;
}
via2_register_irq(VIA2_SCSIIRQ, sbc_irq_intr, ncr_sc);
sc->sc_clrintr = sbc_obio_clrintr;
if ((sc->sc_options & SBC_RESELECT) == 0)
ncr_sc->sc_no_disconnect = 0xff;
if (sc->sc_options & SBC_INTR)
sc->sc_clrintr = sbc_obio_clrintr;
else
sc->sc_clrintr = NULL;
if (sc->sc_options)
printf(": options=%s", bitmask_snprintf(sc->sc_options,
SBC_OPTIONS_BITS, bits, sizeof(bits)));
printf("\n");
/* Now enable SCSI interrupts through VIA2, if appropriate */
if (sc->sc_options & SBC_INTR)
sbc_intr_enable(ncr_sc);
/* Enable SCSI interrupts through VIA2 */
sbc_intr_enable(ncr_sc);
#ifdef SBC_DEBUG
if (sbc_debug)
@ -253,13 +248,18 @@ void
sbc_intr_enable(ncr_sc)
struct ncr5380_softc *ncr_sc;
{
int s;
struct sbc_softc *sc = (struct sbc_softc *)ncr_sc;
int s, flags;
flags = V2IF_SCSIIRQ;
if (sc->sc_options & SBC_INTR)
flags |= V2IF_SCSIDRQ;
s = splhigh();
if (VIA2 == VIA2OFF)
via2_reg(vIER) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(vIER) = 0x80 | flags;
else
via2_reg(rIER) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(rIER) = 0x80 | flags;
splx(s);
}
@ -267,13 +267,18 @@ void
sbc_intr_disable(ncr_sc)
struct ncr5380_softc *ncr_sc;
{
int s;
struct sbc_softc *sc = (struct sbc_softc *)ncr_sc;
int s, flags;
flags = V2IF_SCSIIRQ;
if (sc->sc_options & SBC_INTR)
flags |= V2IF_SCSIDRQ;
s = splhigh();
if (VIA2 == VIA2OFF)
via2_reg(vIER) = (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(vIER) = flags;
else
via2_reg(rIER) = (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(rIER) = flags;
splx(s);
}
@ -281,8 +286,15 @@ void
sbc_obio_clrintr(ncr_sc)
struct ncr5380_softc *ncr_sc;
{
struct sbc_softc *sc = (struct sbc_softc *)ncr_sc;
int flags;
flags = V2IF_SCSIIRQ;
if (sc->sc_options & SBC_INTR)
flags |= V2IF_SCSIDRQ;
if (VIA2 == VIA2OFF)
via2_reg(vIFR) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(vIFR) = 0x80 | flags;
else
via2_reg(rIFR) = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ);
via2_reg(rIFR) = 0x80 | flags;
}