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/* $OpenBSD: bha_eisa.c,v 1.6 2009/03/29 21:53:52 sthen Exp $ */
/* $NetBSD: bha_eisa.c,v 1.16 1998/08/15 10:10:49 mycroft Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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 0x0c80
#define BHA_EISA_IOSIZE 0x0010
#define BHA_ISA_IOSIZE 0x0004
#define BHA_EISA_IOCONF 0x0c
int bha_eisa_address(bus_space_tag_t, bus_space_handle_t, int *);
int bha_eisa_match(struct device *, void *, void *);
void bha_eisa_attach(struct device *, struct device *, void *);
struct cfattach bha_eisa_ca = {
sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach
};
int
bha_eisa_address(iot, ioh, portp)
bus_space_tag_t iot;
bus_space_handle_t ioh;
int *portp;
{
int port;
switch (bus_space_read_1(iot, ioh, BHA_EISA_IOCONF) & 0x07) {
case 0x00:
port = 0x330;
break;
case 0x01:
port = 0x334;
break;
case 0x02:
port = 0x230;
break;
case 0x03:
port = 0x234;
break;
case 0x04:
port = 0x130;
break;
case 0x05:
port = 0x134;
break;
default:
return (1);
}
*portp = port;
return (0);
}
/*
* Check the slots looking for a board we recognise
* If we find one, note its address (slot) and call
* the actual probe routine to check it out.
*/
int
bha_eisa_match(parent, match, aux)
struct device *parent;
void *aux, *match;
{
struct eisa_attach_args *ea = aux;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh, ioh2;
int port;
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);
if (bha_eisa_address(iot, ioh, &port) ||
bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) {
bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE);
return (0);
}
rv = bha_find(iot, ioh2, NULL);
bus_space_unmap(iot, ioh2, BHA_ISA_IOSIZE);
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, ioh2;
int port;
struct bha_probe_data bpd;
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!";
if (bus_space_map(iot,
EISA_SLOT_ADDR(ea->ea_slot) + BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE,
0, &ioh)) {
printf(": can't map EISA slot\n");
return;
}
if (bha_eisa_address(iot, ioh, &port) ||
bus_space_map(iot, port, BHA_ISA_IOSIZE, 0, &ioh2)) {
printf(": can't map ISA address\n");
return;
}
sc->sc_iot = iot;
sc->sc_ioh = ioh2;
sc->sc_dmat = ea->ea_dmat;
if (!bha_find(iot, ioh2, &bpd)) {
printf(": bha_find failed\n");
return;
}
sc->sc_dmaflags = 0;
if (eisa_intr_map(ec, bpd.sc_irq, &ih)) {
printf(": couldn't map interrupt (%d)\n", bpd.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(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s, %s\n", intrstr, model);
bha_attach(sc, &bpd);
}
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