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/* $OpenBSD: mpi_pci.c,v 1.8 2006/06/16 05:36:46 dlg Exp $ */
/*
* Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
* Copyright (c) 2005 Marco Peereboom <marco@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/ic/mpireg.h>
#include <dev/ic/mpivar.h>
int mpi_pci_match(struct device *, void *, void *);
void mpi_pci_attach(struct device *, struct device *, void *);
int mpi_pci_detach(struct device *, int);
struct mpi_pci_softc {
struct mpi_softc psc_mpi;
pci_chipset_tag_t psc_pc;
pcitag_t psc_tag;
void *psc_ih;
};
struct cfattach mpi_pci_ca = {
sizeof(struct mpi_pci_softc), mpi_pci_match, mpi_pci_attach,
mpi_pci_detach
};
#define PREAD(s, r) pci_conf_read((s)->psc_pc, (s)->psc_tag, (r))
#define PWRITE(s, r, v) pci_conf_write((s)->psc_pc, (s)->psc_tag, (r), (v))
static const struct pci_matchid mpi_devices[] = {
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_1030 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC909A },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC919_1 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_FC929_1 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064A },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1064E },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1066E },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078 },
{ PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1068E }
};
int
mpi_pci_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
return (pci_matchbyid(pa, mpi_devices,
sizeof(mpi_devices) / sizeof(mpi_devices[0])) * 3);
}
void
mpi_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct mpi_pci_softc *psc = (void *)self;
struct mpi_softc *sc = &psc->psc_mpi;
struct pci_attach_args *pa = aux;
pcireg_t memtype;
int r;
pci_intr_handle_t ih;
const char *intrstr;
psc->psc_pc = pa->pa_pc;
psc->psc_tag = pa->pa_tag;
psc->psc_ih = NULL;
sc->sc_dmat = pa->pa_dmat;
sc->sc_ios = 0;
/* find the appropriate memory base */
for (r = PCI_MAPREG_START; r < PCI_MAPREG_END; r += sizeof(memtype)) {
memtype = pci_mapreg_type(psc->psc_pc, psc->psc_tag, r);
if ((memtype & PCI_MAPREG_TYPE_MASK) == PCI_MAPREG_TYPE_MEM)
break;
}
if (r >= PCI_MAPREG_END) {
printf(": unable to locate system interface registers\n");
return;
}
if (pci_mapreg_map(pa, r, memtype, 0, &sc->sc_iot, &sc->sc_ioh,
NULL, &sc->sc_ios, 0) != 0) {
printf(": unable to map system interface registers\n");
return;
}
/* disable the expansion rom */
PWRITE(psc, PCI_ROM_REG, PREAD(psc, PCI_ROM_REG & ~PCI_ROM_ENABLE));
/* hook up the interrupt */
if (pci_intr_map(pa, &ih)) {
printf(": unable to map interrupt\n");
goto unmap;
}
intrstr = pci_intr_string(psc->psc_pc, ih);
psc->psc_ih = pci_intr_establish(psc->psc_pc, ih, IPL_BIO,
mpi_intr, sc, sc->sc_dev.dv_xname);
if (psc->psc_ih == NULL) {
printf(": unable to map interrupt%s%s\n",
intrstr == NULL ? "" : " at ",
intrstr == NULL ? "" : intrstr);
goto unmap;
}
printf(": %s", intrstr);
/* vmware doesn't fill in the pci subsystem register */
if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG) == 0x0)
sc->sc_flags |= MPI_F_VMWARE;
if (mpi_attach(sc) != 0) {
/* error printed by mpi_attach */
goto deintr;
}
return;
deintr:
pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
psc->psc_ih = NULL;
unmap:
bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
sc->sc_ios = 0;
}
int
mpi_pci_detach(struct device *self, int flags)
{
struct mpi_pci_softc *psc = (struct mpi_pci_softc *)self;
struct mpi_softc *sc = &psc->psc_mpi;
mpi_detach(sc);
if (psc->psc_ih != NULL) {
pci_intr_disestablish(psc->psc_pc, psc->psc_ih);
psc->psc_ih = NULL;
}
if (sc->sc_ios != 0) {
bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
sc->sc_ios = 0;
}
return (0);
}
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