if_an_pci.c revision 1.1
1/* $NetBSD: if_an_pci.c,v 1.1 2000/12/14 04:11:25 onoe Exp $ */ 2 3/* 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Atsushi Onoe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39/* 40 * PCI bus front-end for the Aironet PC4500/PC4800 Wireless LAN Adapter. 41 * Unlike WaveLAN, this adapter attached as PCI device using a PLX 9050 42 * PCI to "dumb bus" bridge chip. 43 */ 44 45#include "opt_inet.h" 46#include "opt_ns.h" 47#include "bpfilter.h" 48 49#ifdef INET 50#define ANCACHE /* XXX: should be defined elsewhere */ 51#endif 52 53#include <sys/param.h> 54#include <sys/systm.h> 55#include <sys/mbuf.h> 56#include <sys/malloc.h> 57#include <sys/kernel.h> 58#include <sys/socket.h> 59#include <sys/ioctl.h> 60#include <sys/errno.h> 61#include <sys/device.h> 62#include <sys/callout.h> 63 64#include <machine/endian.h> 65 66#include <net/if.h> 67#include <net/if_dl.h> 68#include <net/if_media.h> 69#include <net/if_ether.h> 70 71#if NBPFILTER > 0 72#include <net/bpf.h> 73#endif 74 75#ifdef INET 76#include <netinet/in.h> 77#include <netinet/if_inarp.h> 78#endif 79 80#ifdef NS 81#include <netns/ns.h> 82#include <netns/ns_if.h> 83#endif 84 85#include <machine/bus.h> 86#include <machine/intr.h> 87 88#include <dev/ic/anreg.h> 89#include <dev/ic/anvar.h> 90 91#include <dev/pci/pcivar.h> 92#include <dev/pci/pcireg.h> 93#include <dev/pci/pcidevs.h> 94 95#define AN_PCI_PLX_IOBA 0x14 /* i/o base for PLX chip */ 96#define AN_PCI_IOBA 0x18 /* i/o base */ 97 98struct an_pci_softc { 99 struct an_softc sc_an; /* real "an" softc */ 100 101 /* PCI-specific goo. */ 102 void *sc_ih; /* interrupt handle */ 103}; 104 105int an_pci_match __P((struct device *, struct cfdata *, void *)); 106void an_pci_attach __P((struct device *, struct device *, void *)); 107 108struct cfattach an_pci_ca = { 109 sizeof(struct an_pci_softc), an_pci_match, an_pci_attach, 110}; 111 112const struct an_pci_product { 113 u_int32_t app_vendor; /* PCI vendor ID */ 114 u_int32_t app_product; /* PCI product ID */ 115} an_pci_products[] = { 116 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4xxx }, 117 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4500 }, 118 { PCI_VENDOR_AIRONET, PCI_PRODUCT_AIRONET_PC4800 }, 119 { 0, 0 } 120}; 121 122int 123an_pci_match(struct device *parent, struct cfdata *match, void *aux) 124{ 125 struct pci_attach_args *pa = aux; 126 const struct an_pci_product *app; 127 128 for (app = an_pci_products; app->app_vendor != 0; app++) { 129 if (PCI_VENDOR(pa->pa_id) == app->app_vendor && 130 PCI_PRODUCT(pa->pa_id) == app->app_product) 131 return 1; 132 } 133 return 0; 134} 135 136void 137an_pci_attach(struct device *parent, struct device *self, void *aux) 138{ 139 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 140 struct an_pci_softc *psc = (struct an_pci_softc *) self; 141 struct an_softc *sc = &psc->sc_an; 142 char devinfo[256]; 143 char const *intrstr; 144 pci_intr_handle_t ih; 145 u_int32_t csr; 146 147 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 148 printf(": %s\n", devinfo); 149 150 /* Map I/O registers */ 151 if (pci_mapreg_map(pa, AN_PCI_IOBA, PCI_MAPREG_TYPE_IO, 0, 152 &sc->an_btag, &sc->an_bhandle, NULL, NULL) != 0) { 153 printf("%s: unable to map registers\n", self->dv_xname); 154 return; 155 } 156 157 /* Enable the device. */ 158 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 159 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 160 csr | PCI_COMMAND_MASTER_ENABLE); 161 162 /* Map and establish the interrupt. */ 163 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 164 pa->pa_intrline, &ih)) { 165 printf("%s: unable to map interrupt\n", self->dv_xname); 166 return; 167 } 168 intrstr = pci_intr_string(pa->pa_pc, ih); 169 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, an_intr, sc); 170 if (psc->sc_ih == NULL) { 171 printf("%s: unable to establish interrupt", self->dv_xname); 172 if (intrstr != NULL) 173 printf(" at %s", intrstr); 174 printf("\n"); 175 return; 176 } 177 printf("%s: interrupting at %s\n", self->dv_xname, intrstr); 178 sc->sc_enabled = 1; 179 180 if (an_attach(sc) != 0) { 181 printf("%s: failed to attach controller\n", self->dv_xname); 182 pci_intr_disestablish(pa->pa_pc, psc->sc_ih); 183 bus_space_unmap(sc->an_btag, sc->an_bhandle, AN_IOSIZ); 184 } 185} 186