/* $NetBSD: if_an_pci.c,v 1.27 2008/07/03 18:10:08 drochner Exp $ */ /* * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Atsushi Onoe. * * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ /* * PCI bus front-end for the Aironet PC4500/PC4800 Wireless LAN Adapter. * Unlike WaveLAN, this adapter attached as PCI device using a PLX 9050 * PCI to "dumb bus" bridge chip. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: if_an_pci.c,v 1.27 2008/07/03 18:10:08 drochner Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/mbuf.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <sys/errno.h> #include <sys/device.h> #include <sys/callout.h> #include <machine/endian.h> #include <net/if.h> #include <net/if_dl.h> #include <net/if_media.h> #include <net/if_ether.h> #include <net80211/ieee80211_netbsd.h> #include <net80211/ieee80211_var.h> #include <sys/bus.h> #include <sys/intr.h> #include <dev/ic/anreg.h> #include <dev/ic/anvar.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcidevs.h> #define AN_PCI_PLX_IOBA 0x14 /* i/o base for PLX chip */ #define AN_PCI_IOBA 0x18 /* i/o base */ struct an_pci_softc { struct an_softc sc_an; /* real "an" softc */ pci_chipset_tag_t sc_pct; pcitag_t sc_pcitag; /* PCI-specific goo. */ void *sc_ih; /* interrupt handle */ }; static int an_pci_match(struct device *, struct cfdata *, void *); static void an_pci_attach(struct device *, struct device *, void *); CFATTACH_DECL_NEW(an_pci, sizeof(struct an_pci_softc), an_pci_match, an_pci_attach, NULL, NULL); static const struct an_pci_product { u_int32_t app_vendor; /* PCI vendor ID */ u_int32_t app_product; /* PCI product ID */ } an_pci_products[] = { { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4xxx }, { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4500 }, { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4800 }, { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PCI350 }, { 0, 0 } }; static int an_pci_match(struct device *parent, struct cfdata *match, void *aux) { struct pci_attach_args *pa = aux; const struct an_pci_product *app; for (app = an_pci_products; app->app_vendor != 0; app++) { if (PCI_VENDOR(pa->pa_id) == app->app_vendor && PCI_PRODUCT(pa->pa_id) == app->app_product) return 1; } return 0; } static void an_pci_attach(struct device *parent, struct device *self, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *)aux; struct an_pci_softc *psc = device_private(self); struct an_softc *sc = &psc->sc_an; char devinfo[256]; char const *intrstr; pci_intr_handle_t ih; bus_size_t iosize; u_int32_t csr; sc->sc_dev = self; psc->sc_pct = pa->pa_pc; psc->sc_pcitag = pa->pa_tag; aprint_naive(": 802.11 controller\n"); pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); aprint_normal(": %s\n", devinfo); /* Map I/O registers */ if (pci_mapreg_map(pa, AN_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, &sc->sc_ioh, NULL, &iosize) != 0) { aprint_error_dev(self, "unable to map registers\n"); return; } /* Enable the device. */ csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); /* Map and establish the interrupt. */ if (pci_intr_map(pa, &ih)) { aprint_error_dev(self, "unable to map interrupt\n"); return; } intrstr = pci_intr_string(pa->pa_pc, ih); psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, an_intr, sc); if (psc->sc_ih == NULL) { aprint_error_dev(self, "unable to establish interrupt"); if (intrstr != NULL) aprint_normal(" at %s", intrstr); aprint_normal("\n"); return; } aprint_normal_dev(self, "interrupting at %s\n", intrstr); sc->sc_enabled = 1; if (an_attach(sc) != 0) { aprint_error_dev(self, "failed to attach controller\n"); pci_intr_disestablish(pa->pa_pc, psc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); } if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); else pmf_class_network_register(self, &sc->sc_if); }