/* $OpenBSD: twe_pci.c,v 1.9 2005/11/15 11:08:47 mickey Exp $ */ /* * Copyright (c) 2000 Michael Shalayeff * 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 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. */ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/malloc.h> #include <sys/device.h> #include <dev/pci/pcidevs.h> #include <dev/pci/pcivar.h> #include <machine/bus.h> #include <scsi/scsi_all.h> #include <scsi/scsi_disk.h> #include <scsi/scsiconf.h> #include <dev/ic/twereg.h> #include <dev/ic/twevar.h> #define TWE_BAR 0x10 int twe_pci_match(struct device *, void *, void *); void twe_pci_attach(struct device *, struct device *, void *); struct cfattach twe_pci_ca = { sizeof(struct twe_softc), twe_pci_match, twe_pci_attach }; int twe_pci_match(parent, match, aux) struct device *parent; void *match; void *aux; { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TRIWARE && (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TRIWARE_ESCALADE || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TRIWARE_ESCALADE_ASIC)) return 1; return 0; } void twe_pci_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct twe_softc *sc = (struct twe_softc *)self; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; const char *intrstr; bus_size_t size; if (pci_mapreg_map(pa, TWE_BAR, PCI_MAPREG_TYPE_IO, 0, &sc->iot, &sc->ioh, NULL, &size, 0)) { printf(": can't map controller i/o space\n"); return; } sc->dmat = pa->pa_dmat; if (pci_intr_map(pa, &ih)) { printf(": can't map interrupt\n"); bus_space_unmap(sc->iot, sc->ioh, size); return; } intrstr = pci_intr_string(pa->pa_pc, ih); sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, twe_intr, sc, sc->sc_dev.dv_xname); if (!sc->sc_ih) { printf(": can't establish interrupt"); if (intrstr) printf(" at %s", intrstr); printf("\n"); bus_space_unmap(sc->iot, sc->ioh, size); return; } printf(": %s\n%s", intrstr, sc->sc_dev.dv_xname); if (twe_attach(sc)) { pci_intr_disestablish(pa->pa_pc, sc->sc_ih); sc->sc_ih = NULL; bus_space_unmap(sc->iot, sc->ioh, size); } }