/* $OpenBSD: if_pgt_pci.c,v 1.9 2006/11/18 20:44:40 grange Exp $ */ /* * Copyright (c) 2006 Marcus Glocker <mglocker@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. */ /* * PCI front-end for the PrismGT */ #include "bpfilter.h" #include <sys/param.h> #include <sys/sockio.h> #include <sys/mbuf.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/systm.h> #include <sys/malloc.h> #include <sys/timeout.h> #include <sys/device.h> #include <machine/bus.h> #include <machine/intr.h> #include <net/if.h> #include <net/if_dl.h> #include <net/if_media.h> #include <netinet/in.h> #include <netinet/if_ether.h> #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_radiotap.h> #include <dev/ic/pgtreg.h> #include <dev/ic/pgtvar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcidevs.h> /* Base Address Register */ #define PGT_PCI_BAR0 0x10 int pgt_pci_match(struct device *, void *, void *); void pgt_pci_attach(struct device *, struct device *, void *); int pgt_pci_detach(struct device *, int); struct pgt_pci_softc { struct pgt_softc sc_pgt; pci_chipset_tag_t sc_pc; void *sc_ih; bus_size_t sc_mapsize; }; struct cfattach pgt_pci_ca = { sizeof(struct pgt_pci_softc), pgt_pci_match, pgt_pci_attach, pgt_pci_detach }; const struct pci_matchid pgt_pci_devices[] = { { PCI_VENDOR_INTERSIL, PCI_PRODUCT_INTERSIL_ISL3877 }, { PCI_VENDOR_INTERSIL, PCI_PRODUCT_INTERSIL_ISL3890 } }; int pgt_pci_match(struct device *parent, void *match, void *aux) { return (pci_matchbyid((struct pci_attach_args *)aux, pgt_pci_devices, sizeof(pgt_pci_devices) / sizeof(pgt_pci_devices[0]))); } void pgt_pci_attach(struct device *parent, struct device *self, void *aux) { struct pgt_pci_softc *psc = (struct pgt_pci_softc *)self; struct pgt_softc *sc = &psc->sc_pgt; struct pci_attach_args *pa = aux; const char *intrstr = NULL; pci_intr_handle_t ih; int error; sc->sc_dmat = pa->pa_dmat; psc->sc_pc = pa->pa_pc; /* remember chipset */ if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTERSIL_ISL3877) sc->sc_flags |= SC_ISL3877; /* map control / status registers */ error = pci_mapreg_map(pa, PGT_PCI_BAR0, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_iotag, &sc->sc_iohandle, NULL, &psc->sc_mapsize, 0); if (error != 0) { printf(": could not map memory space\n"); return; } /* map interrupt */ if (pci_intr_map(pa, &ih) != 0) { printf(": could not map interrupt\n"); return; } /* disable all interrupts */ bus_space_write_4(sc->sc_iotag, sc->sc_iohandle, PGT_REG_INT_EN, 0); (void)bus_space_read_4(sc->sc_iotag, sc->sc_iohandle, PGT_REG_INT_EN); DELAY(PGT_WRITEIO_DELAY); /* establish interrupt */ intrstr = pci_intr_string(psc->sc_pc, ih); psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, pgt_intr, sc, sc->sc_dev.dv_xname); if (psc->sc_ih == NULL) { printf(": could not establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } printf(": %s\n", intrstr); if (rootvp == NULL) mountroothook_establish(pgt_attach, sc); else pgt_attach(sc); } int pgt_pci_detach(struct device *self, int flags) { struct pgt_pci_softc *psc = (struct pgt_pci_softc *)self; struct pgt_softc *sc = &psc->sc_pgt; pgt_detach(sc); pci_intr_disestablish(psc->sc_pc, psc->sc_ih); return (0); }