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/* $OpenBSD: iha_pci.c,v 1.4 2001/07/13 03:24:19 krw Exp $ */
/*
* Initio INI-9xxxU/UW SCSI Device Driver
*
* Copyright (c) 2000 Ken Westerback
* 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,
* without modification, immediately at the beginning of the file.
* 2. 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 OR HIS RELATIVES 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 MIND, 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.
*
*-------------------------------------------------------------------------
*
* Ported from i91u.c, provided by Initio Corporation, which credits:
*
* Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller.
*
* FreeBSD
*
* Written for 386bsd and FreeBSD by
* Winston Hung <winstonh@initio.com>
*
* Copyright (c) 1997-99 Initio Corp. All rights reserved.
*
*-------------------------------------------------------------------------
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/ic/iha.h>
int iha_pci_probe __P((struct device *, void *, void *));
void iha_pci_attach __P((struct device *, struct device *, void *));
struct cfattach iha_pci_ca = {
sizeof(struct iha_softc), iha_pci_probe, iha_pci_attach
};
int
iha_pci_probe(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO)
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_INITIO_INIC940:
case PCI_PRODUCT_INITIO_INIC950:
return (1);
}
return (0);
}
void
iha_pci_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct pci_attach_args *pa = aux;
bus_space_handle_t ioh;
pci_intr_handle_t ih;
struct iha_softc *sc = (void *)self;
bus_space_tag_t iot;
const char *intrstr;
pcireg_t command;
int ioh_valid;
command = pci_conf_read(pa->pa_pc,pa->pa_tag,PCI_COMMAND_STATUS_REG);
command |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_PARITY_ENABLE;
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
/*
* XXX - Tried memory mapping (using code from adw and ahc)
* rather that IO mapping, but it didn't work at all..
*/
ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, NULL, NULL, 0);
if (ioh_valid != 0) {
printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
return;
}
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_dmat = pa->pa_dmat;
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_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");
} else {
if (intrstr != NULL)
printf(": %s\n", intrstr);
if (iha_init_tulip(sc) == 0)
config_found(&sc->sc_dev, &sc->sc_link, scsiprint);
}
}
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