142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
/* $NetBSD: bha_eisa.c,v 1.2 1996/09/01 00:20:20 mycroft 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/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_chipset_tag_t bc = ea->ea_bc;
|
|
bus_io_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_io_map(bc, EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET,
|
|
BHA_EISA_IOSIZE, &ioh))
|
|
return (0);
|
|
|
|
rv = bha_find(bc, ioh, NULL);
|
|
|
|
bus_io_unmap(bc, 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_chipset_tag_t bc = ea->ea_bc;
|
|
bus_io_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_io_map(bc, EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET,
|
|
BHA_EISA_IOSIZE, &ioh))
|
|
panic("bha_attach: could not map I/O addresses");
|
|
|
|
sc->sc_bc = bc;
|
|
sc->sc_ioh = ioh;
|
|
if (!bha_find(bc, 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);
|
|
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);
|
|
}
|