if_an_pccard.c revision 86382
1/* 2 * Copyright (c) 1997, 1998, 1999 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: head/sys/dev/an/if_an_pccard.c 86382 2001-11-15 06:18:06Z imp $ 33 */ 34 35/* 36 * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD. 37 * 38 * Written by Bill Paul <wpaul@ctr.columbia.edu> 39 * Electrical Engineering Department 40 * Columbia University, New York City 41 */ 42 43#include "opt_inet.h" 44 45#ifdef INET 46#define ANCACHE 47#endif 48 49#include <sys/param.h> 50#include <sys/systm.h> 51#include <sys/socket.h> 52#include <sys/kernel.h> 53 54#include <sys/module.h> 55#include <sys/bus.h> 56#include <machine/bus.h> 57#include <sys/rman.h> 58#include <sys/lock.h> 59#include <sys/mutex.h> 60#include <machine/resource.h> 61 62#include <net/if.h> 63#include <net/if_arp.h> 64#include <net/ethernet.h> 65#include <net/if_dl.h> 66#include <net/if_types.h> 67#include <net/if_media.h> 68 69#include <dev/pccard/pccardvar.h> 70#include <dev/pccard/pccarddevs.h> 71#include "card_if.h" 72 73#ifndef lint 74static const char rcsid[] = 75 "$FreeBSD: head/sys/dev/an/if_an_pccard.c 86382 2001-11-15 06:18:06Z imp $"; 76#endif 77 78#include <dev/an/if_aironet_ieee.h> 79#include <dev/an/if_anreg.h> 80 81/* 82 * Support for PCMCIA cards. 83 */ 84static int an_pccard_match(device_t); 85static int an_pccard_probe(device_t); 86static int an_pccard_attach(device_t); 87static int an_pccard_detach(device_t); 88 89static device_method_t an_pccard_methods[] = { 90 /* Device interface */ 91 DEVMETHOD(device_probe, pccard_compat_probe), 92 DEVMETHOD(device_attach, pccard_compat_attach), 93 DEVMETHOD(device_detach, an_pccard_detach), 94 DEVMETHOD(device_shutdown, an_shutdown), 95 96 /* Card interface */ 97 DEVMETHOD(card_compat_match, an_pccard_match), 98 DEVMETHOD(card_compat_probe, an_pccard_probe), 99 DEVMETHOD(card_compat_attach, an_pccard_attach), 100 101 { 0, 0 } 102}; 103 104static driver_t an_pccard_driver = { 105 "an", 106 an_pccard_methods, 107 sizeof(struct an_softc) 108}; 109 110static devclass_t an_pccard_devclass; 111 112DRIVER_MODULE(if_an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0); 113 114static const struct pccard_product an_pccard_products[] = { 115 { PCMCIA_STR_AIRONET_PC4800, PCMCIA_VENDOR_AIRONET, 116 PCMCIA_PRODUCT_AIRONET_PC4800, 0, 117 PCMCIA_CIS_AIRONET_PC4800 }, 118}; 119 120static int 121an_pccard_match(device_t dev) 122{ 123 const struct pccard_product *pp; 124 125 if ((pp = pccard_product_lookup(dev, an_pccard_products, 126 sizeof(an_pccard_products[0]), NULL)) != NULL) { 127 device_set_desc(dev, pp->pp_name); 128 return 0; 129 } 130 return ENXIO; 131} 132 133static int 134an_pccard_detach(device_t dev) 135{ 136 struct an_softc *sc = device_get_softc(dev); 137 struct ifnet *ifp = &sc->arpcom.ac_if; 138 139 if (sc->an_gone) { 140 device_printf(dev,"already unloaded\n"); 141 return(0); 142 } 143 an_stop(sc); 144 ifmedia_removeall(&sc->an_ifmedia); 145 ifp->if_flags &= ~IFF_RUNNING; 146 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 147 sc->an_gone = 1; 148 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 149 an_release_resources(dev); 150 mtx_destroy(&sc->an_mtx); 151 return (0); 152} 153 154static int 155an_pccard_probe(device_t dev) 156{ 157 int error; 158 159 error = an_probe(dev); /* 0 is failure for now */ 160 if (error != 0) { 161 device_set_desc(dev, "Aironet PC4500/PC4800"); 162 error = an_alloc_irq(dev, 0, 0); 163 } else 164 error = 1; 165 an_release_resources(dev); 166 return (error); 167} 168 169 170static int 171an_pccard_attach(device_t dev) 172{ 173 struct an_softc *sc = device_get_softc(dev); 174 int flags = device_get_flags(dev); 175 int error; 176 177 an_alloc_port(dev, sc->port_rid, AN_IOSIZ); 178 an_alloc_irq(dev, sc->irq_rid, 0); 179 180 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 181 an_intr, sc, &sc->irq_handle); 182 if (error) { 183 printf("setup intr failed %d \n", error); 184 an_release_resources(dev); 185 return (error); 186 } 187 188 sc->an_bhandle = rman_get_bushandle(sc->port_res); 189 sc->an_btag = rman_get_bustag(sc->port_res); 190 sc->an_dev = dev; 191 192 error = an_attach(sc, device_get_unit(dev), flags); 193 return (error); 194} 195 196