if_an_isa.c revision 63090
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_isa.c 63090 2000-07-13 22:54:34Z archie $ 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#ifdef INET 45#define ANCACHE 46#endif 47 48#include <sys/param.h> 49#include <sys/systm.h> 50#include <sys/sockio.h> 51#include <sys/mbuf.h> 52#include <sys/kernel.h> 53#include <sys/socket.h> 54 55#include <sys/module.h> 56#include <sys/bus.h> 57#include <machine/bus.h> 58#include <sys/rman.h> 59#include <machine/resource.h> 60 61#include <net/if.h> 62#include <net/if_arp.h> 63#include <net/ethernet.h> 64#include <net/if_dl.h> 65#include <net/if_types.h> 66 67#include <isa/isavar.h> 68#include <isa/pnpvar.h> 69 70#include <dev/an/if_aironet_ieee.h> 71#include <dev/an/if_anreg.h> 72 73static struct isa_pnp_id an_ids[] = { 74 { 0x0100ec06, "Aironet ISA4500/ISA4800" }, 75 { 0, NULL } 76}; 77 78static int an_probe_isa __P((device_t)); 79static int an_attach_isa __P((device_t)); 80static int an_detach_isa __P((device_t)); 81 82static int an_probe_isa(dev) 83 device_t dev; 84{ 85 int error = 0; 86 87 error = ISA_PNP_PROBE(device_get_parent(dev), dev, an_ids); 88 if (error == ENXIO) 89 return(error); 90 91 error = an_probe(dev); 92 an_release_resources(dev); 93 if (error == 0) 94 return (ENXIO); 95 96 error = an_alloc_irq(dev, 0, 0); 97 an_release_resources(dev); 98 if (!error) 99 device_set_desc(dev, "Aironet ISA4500/ISA4800"); 100 return (error); 101} 102 103static int 104an_attach_isa(dev) 105 device_t dev; 106{ 107 struct an_softc *sc = device_get_softc(dev); 108 int flags = device_get_flags(dev); 109 int error; 110 111 an_alloc_port(dev, sc->port_rid, 1); 112 an_alloc_irq(dev, sc->irq_rid, 0); 113 114 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 115 an_intr, sc, &sc->irq_handle); 116 if (error) { 117 an_release_resources(dev); 118 return (error); 119 } 120 121 sc->an_bhandle = rman_get_bushandle(sc->port_res); 122 sc->an_btag = rman_get_bustag(sc->port_res); 123 124 return an_attach(sc, device_get_unit(dev), flags); 125} 126 127static int 128an_detach_isa(device_t dev) 129{ 130 struct an_softc *sc = device_get_softc(dev); 131 struct ifnet *ifp = &sc->arpcom.ac_if; 132 133 an_stop(sc); 134 ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); 135 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 136 an_release_resources(dev); 137 138 return (0); 139} 140 141static device_method_t an_isa_methods[] = { 142 /* Device interface */ 143 DEVMETHOD(device_probe, an_probe_isa), 144 DEVMETHOD(device_attach, an_attach_isa), 145 DEVMETHOD(device_detach, an_detach_isa), 146 DEVMETHOD(device_shutdown, an_shutdown), 147 { 0, 0 } 148}; 149 150static driver_t an_isa_driver = { 151 "an", 152 an_isa_methods, 153 sizeof(struct an_softc) 154}; 155 156static devclass_t an_isa_devclass; 157 158DRIVER_MODULE(if_an, isa, an_isa_driver, an_isa_devclass, 0, 0); 159