160 lines
5.3 KiB
C
160 lines
5.3 KiB
C
/* $NetBSD: iha_pci.c,v 1.19 2014/03/29 19:28:25 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 Izumi Tsutsui. 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 ``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.
|
|
*/
|
|
|
|
/*-
|
|
* Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller.
|
|
*
|
|
* Written for 386bsd and FreeBSD by
|
|
* Winston Hung <winstonh@initio.com>
|
|
*
|
|
* Copyright (c) 1997-1999 Initio Corp.
|
|
* 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 to NetBSD by Izumi Tsutsui <tsutsui@NetBSD.org> from OpenBSD:
|
|
* $OpenBSD: iha_pci.c,v 1.2 2001/03/29 23:53:38 krw Exp $
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: iha_pci.c,v 1.19 2014/03/29 19:28:25 christos Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <dev/pci/pcidevs.h>
|
|
#include <dev/pci/pcivar.h>
|
|
|
|
#include <dev/scsipi/scsipi_all.h>
|
|
#include <dev/scsipi/scsi_all.h>
|
|
#include <dev/scsipi/scsiconf.h>
|
|
|
|
#include <dev/ic/ihavar.h>
|
|
|
|
static int iha_pci_match(device_t, cfdata_t, void *);
|
|
static void iha_pci_attach(device_t, device_t, void *);
|
|
|
|
CFATTACH_DECL_NEW(iha_pci, sizeof(struct iha_softc),
|
|
iha_pci_match, iha_pci_attach, NULL, NULL);
|
|
|
|
static int
|
|
iha_pci_match(device_t parent, cfdata_t cf, void *aux)
|
|
{
|
|
struct pci_attach_args *pa = aux;
|
|
|
|
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INITIO)
|
|
return 0;
|
|
|
|
switch (PCI_PRODUCT(pa->pa_id)) {
|
|
case PCI_PRODUCT_INITIO_I940:
|
|
case PCI_PRODUCT_INITIO_I950:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
iha_pci_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct iha_softc *sc = device_private(self);
|
|
struct pci_attach_args *pa = aux;
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
pci_intr_handle_t ih;
|
|
const char *intrstr;
|
|
pcireg_t command;
|
|
int ioh_valid;
|
|
char intrbuf[PCI_INTRSTR_LEN];
|
|
|
|
sc->sc_dev = self;
|
|
|
|
pci_aprint_devinfo(pa, NULL);
|
|
|
|
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);
|
|
|
|
if (ioh_valid != 0) {
|
|
aprint_error_dev(self, "unable to map registers\n");
|
|
return;
|
|
}
|
|
|
|
sc->sc_iot = iot;
|
|
sc->sc_ioh = ioh;
|
|
sc->sc_dmat = pa->pa_dmat;
|
|
|
|
if (pci_intr_map(pa, &ih)) {
|
|
aprint_error_dev(self, "couldn't map interrupt\n");
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
|
|
|
|
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc);
|
|
|
|
if (sc->sc_ih == NULL) {
|
|
aprint_error_dev(self, "couldn't establish interrupt");
|
|
if (intrstr != NULL)
|
|
aprint_error(" at %s", intrstr);
|
|
aprint_error("\n");
|
|
return;
|
|
}
|
|
aprint_normal_dev(self, "interrupting at %s\n", intrstr);
|
|
|
|
iha_attach(sc);
|
|
}
|