freebsd-dev/sys/i386/isa/bs/bs_pisa.c

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/* $NetBSD$ */
/*
* [NetBSD for NEC PC98 series]
* Copyright (c) 1995, 1996 NetBSD/pc98 porting staff.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <dev/isa/bs/bsif.h>
static int bs_pisa_probe __P((struct device *, void *, void *));
static void bs_pisa_attach __P((struct device *, struct device *, void *));
static int bs_deactivate __P((pisa_device_args_t));
static int bs_activate __P((pisa_device_args_t));
struct cfattach bs_pisa_ca = {
sizeof(struct bs_softc), bs_pisa_probe, bs_pisa_attach
};
struct pisa_driver bs_pd = {
bs_activate, bs_deactivate,
};
static int
bs_pisa_probe(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct bs_softc *sc = match;
struct pisa_attach_args *pa = aux;
struct isa_attach_args *ia = &pa->pa_ia;
if (ia->ia_iobase == IOBASEUNK ||
ia->ia_irq == IRQUNK || ia->ia_drq == DRQUNK)
return 0;
sc->sc_pdv = pa->pa_pdv;
return bsprobe(parent, match, ia);
}
static void
bs_pisa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct bs_softc *sc = (void *) self;
struct pisa_attach_args *pa = aux;
sc->sc_pdv = PISAMSG_BIND(pa->pa_pdv, sc, &bs_pd);
bsattach(parent, self, (void *) &pa->pa_ia);
PISA_INTR_REGISTER(sc->sc_pdv, sc->sc_ih);
}
static int
bs_deactivate(arg)
pisa_device_args_t arg;
{
struct bs_softc *bsc = arg->id;
bsc->sc_flags |= BSINACTIVE;
bshw_dmaabort(bsc, NULL);
bshw_smitabort(bsc);
bs_terminate_timeout(bsc);
return 0;
}
#define SCSIBUS_RESCAN
static int
bs_activate(arg)
pisa_device_args_t arg;
{
struct bs_softc *bsc = arg->id;
struct isa_attach_args *ia = arg->ia;
struct targ_info *ti;
int i;
bsc->sc_irqmasks = (1 << ia->ia_irq);
while((ti = TAILQ_FIRST(&bsc->sc_titab)) != NULL)
TAILQ_REMOVE(&bsc->sc_titab, ti, ti_tchain);
bsc->sc_openf = 0;
for (i = 0; i < NTARGETS; i ++)
if (i != bsc->sc_hostid && (ti = bsc->sc_ti[i]) != NULL)
{
TAILQ_INSERT_TAIL(&bsc->sc_titab, ti, ti_tchain);
bsc->sc_openf |= (1 << i);
}
bsc->sc_hstate = BSC_BOOTUP;
bsc->sc_flags &= ~BSINACTIVE;
bs_reset_nexus(bsc);
#ifdef SCSIBUS_RESCAN
if (bsc->sc_nexus == NULL)
scsi_probe_busses((int) bsc->sc_link.scsibus, -1, -1);
#endif
bs_start_timeout(bsc);
return 0;
}