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/* $OpenBSD: dpt_eisa.c,v 1.1 1999/11/30 07:55:56 cmetz Exp $ */
/* $NetBSD: dpt_eisa.c,v 1.2 1999/10/18 21:59:19 ad Exp $ */
/*
* Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
*/
/*
* EISA front-end for DPT EATA SCSI driver.
*/
#include <sys/cdefs.h>
#ifdef __NetBSD__
__KERNEL_RCSID(0, "$NetBSD: dpt_eisa.c,v 1.2 1999/10/18 21:59:19 ad Exp $");
#endif /* __NetBSD__ */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#ifdef __NetBSD__
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#endif /* __NetBSD__ */
#ifdef __OpenBSD__
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#endif /* __OpenBSD__ */
#include <dev/eisa/eisavar.h>
#include <dev/eisa/eisadevs.h>
#include <dev/ic/dptreg.h>
#include <dev/ic/dptvar.h>
#define DPT_EISA_SLOT_OFFSET 0x0c00
#define DPT_EISA_IOSIZE 0x0100
#define DPT_EISA_IOCONF 0x90
#define DPT_EISA_EATA_REG_OFFSET 0x88
int dpt_eisa_irq __P((bus_space_tag_t, bus_space_handle_t, int *));
#ifdef __NetBSD__
int dpt_eisa_match __P((struct device *, struct cfdata *, void *));
#endif /* __NetBSD__ */
#ifdef __OpenBSD__
int dpt_eisa_match __P((struct device *, void *, void *));
#endif /* __OpenBSD__ */
void dpt_eisa_attach __P((struct device *, struct device *, void *));
struct cfattach dpt_eisa_ca = {
sizeof(struct dpt_softc), dpt_eisa_match, dpt_eisa_attach
};
const char *dpt_eisa_boards[] = {
"DPT2402",
"DPTA401",
"DPTA402",
"DPTA410",
"DPTA411",
"DPTA412",
"DPTA420",
"DPTA501",
"DPTA502",
"DPTA701",
"DPTBC01",
"NEC8200", /* OEM */
"ATT2408", /* OEM */
NULL
};
int
dpt_eisa_irq(iot, ioh, irq)
bus_space_tag_t iot;
bus_space_handle_t ioh;
int *irq;
{
switch (bus_space_read_1(iot, ioh, DPT_EISA_IOCONF) & 0x38) {
case 0x08:
*irq = 11;
break;
case 0x10:
*irq = 15;
break;
case 0x20:
*irq = 14;
break;
default:
return (-1);
}
return (0);
}
int
dpt_eisa_match(parent, match, aux)
struct device *parent;
#ifdef __NetBSD__
struct cfdata *match;
#endif /* __NetBSD__ */
#ifdef __OpenBSD__
void *match;
#endif /* __OpenBSD__ */
void *aux;
{
struct eisa_attach_args *ea;
int i;
ea = aux;
for (i = 0; dpt_eisa_boards[i] != NULL; i++)
if (strcmp(ea->ea_idstring, dpt_eisa_boards[i]) == 0)
break;
return (dpt_eisa_boards[i] != NULL);
}
void
dpt_eisa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct eisa_attach_args *ea;
bus_space_handle_t ioh;
eisa_chipset_tag_t ec;
eisa_intr_handle_t ih;
struct dpt_softc *sc;
bus_space_tag_t iot;
const char *intrstr;
int irq;
ea = aux;
sc = (struct dpt_softc *)self;
iot = ea->ea_iot;
ec = ea->ea_ec;
printf(": ");
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
DPT_EISA_SLOT_OFFSET, DPT_EISA_IOSIZE, 0, &ioh)) {
printf("can't map i/o space\n");
return;
}
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_dmat = ea->ea_dmat;
/* Map and establish the interrupt. */
if (dpt_eisa_irq(iot, ioh, &irq)) {
printf("HBA on invalid IRQ (%d)\n", irq);
return;
}
if (eisa_intr_map(ec, irq, &ih)) {
printf("can't map interrupt (%d)\n", irq);
return;
}
intrstr = eisa_intr_string(ec, ih);
#ifdef __NetBSD__
sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
dpt_intr, sc);
#endif /* __NetBSD__ */
#ifdef __OpenBSD__
sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO,
dpt_intr, sc, sc->sc_dv.dv_xname);
#endif /* __OpenBSD__ */
if (sc->sc_ih == NULL) {
printf("can't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
/* Read the EATA configuration */
if (dpt_readcfg(sc)) {
printf("%s: readcfg failed - see dpt(4)\n",
sc->sc_dv.dv_xname);
return;
}
/* Now attach to the bus-independant code */
dpt_init(sc, intrstr);
}
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