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/* $OpenBSD: bha_eisa.c,v 1.1 1996/11/28 23:27:37 niklas Exp $ */
/* $NetBSD: bha_eisa.c,v 1.5 1996/10/21 22:31:00 thorpej Exp $ */
/*
* Copyright (c) 1994, 1996 Charles M. Hannum. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles M. Hannum.
* 4. 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.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/eisa/eisavar.h>
#include <dev/eisa/eisadevs.h>
#include <dev/ic/bhareg.h>
#include <dev/ic/bhavar.h>
#define BHA_EISA_SLOT_OFFSET 0xc00
#define BHA_EISA_IOSIZE 0x100
int bha_eisa_match __P((struct device *, void *, void *));
void bha_eisa_attach __P((struct device *, struct device *, void *));
struct cfattach bha_eisa_ca = {
sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach
};
/*
* Check the slots looking for a board we recognise
* If we find one, note it's address (slot) and call
* the actual probe routine to check it out.
*/
int
bha_eisa_match(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct eisa_attach_args *ea = aux;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh;
int rv;
/* must match one of our known ID strings */
if (strcmp(ea->ea_idstring, "BUS4201") &&
strcmp(ea->ea_idstring, "BUS4202"))
return (0);
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh))
return (0);
rv = bha_find(iot, ioh, NULL);
bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE);
return (rv);
}
/*
* Attach all the sub-devices we can find
*/
void
bha_eisa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct eisa_attach_args *ea = aux;
struct bha_softc *sc = (void *)self;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh;
eisa_chipset_tag_t ec = ea->ea_ec;
eisa_intr_handle_t ih;
const char *model, *intrstr;
if (!strcmp(ea->ea_idstring, "BUS4201"))
model = EISA_PRODUCT_BUS4201;
else if (!strcmp(ea->ea_idstring, "BUS4202"))
model = EISA_PRODUCT_BUS4202;
else
model = "unknown model!";
printf(": %s\n", model);
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh))
panic("bha_attach: could not map I/O addresses");
sc->sc_iot = iot;
sc->sc_ioh = ioh;
if (!bha_find(iot, ioh, sc))
panic("bha_attach: bha_find failed!");
if (eisa_intr_map(ec, sc->sc_irq, &ih)) {
printf("%s: couldn't map interrupt (%d)\n",
sc->sc_dev.dv_xname, sc->sc_irq);
return;
}
intrstr = eisa_intr_string(ec, ih);
sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
bha_intr, sc, sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
bha_attach(sc);
}
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