1 /* $NetBSD: if_an_isapnp.c,v 1.22 2009/05/12 10:16:35 cegger 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 Jason R. Thorpe. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * ISAPnP bus front-end for the Aironet ISA4500/ISA4800 Wireless LAN Adapter. 34 * Unlike WaveLAN, this adapter is attached as an ISA device using an address 35 * decoder hack. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: if_an_isapnp.c,v 1.22 2009/05/12 10:16:35 cegger Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/malloc.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/device.h> 50 #include <sys/callout.h> 51 52 #include <net/if.h> 53 #include <net/if_dl.h> 54 #include <net/if_media.h> 55 #include <net/if_ether.h> 56 57 #include <net80211/ieee80211_netbsd.h> 58 #include <net80211/ieee80211_var.h> 59 60 #include <sys/bus.h> 61 #include <sys/intr.h> 62 63 #include <dev/ic/anreg.h> 64 #include <dev/ic/anvar.h> 65 66 #include <dev/isa/isavar.h> 67 68 #include <dev/isapnp/isapnpreg.h> 69 #include <dev/isapnp/isapnpvar.h> 70 #include <dev/isapnp/isapnpdevs.h> 71 72 int an_isapnp_match(device_t, cfdata_t, void *); 73 void an_isapnp_attach(device_t, device_t, void *); 74 75 struct an_isapnp_softc { 76 struct an_softc sc_an; /* real "an" softc */ 77 78 /* ISA-specific goo. */ 79 void *sc_ih; /* interrupt cookie */ 80 }; 81 82 CFATTACH_DECL_NEW(an_isapnp, sizeof(struct an_isapnp_softc), 83 an_isapnp_match, an_isapnp_attach, NULL, NULL); 84 85 int 86 an_isapnp_match(device_t parent, cfdata_t match, void *aux) 87 { 88 int pri, variant; 89 90 pri = isapnp_devmatch(aux, &isapnp_an_devinfo, &variant); 91 if (pri && variant > 0) 92 pri = 0; 93 return (pri); 94 } 95 96 void 97 an_isapnp_attach(device_t parent, device_t self, void *aux) 98 { 99 struct an_isapnp_softc *isc = device_private(self); 100 struct an_softc *sc = &isc->sc_an; 101 struct isapnp_attach_args *ipa = aux; 102 103 printf("\n"); 104 105 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 106 aprint_error_dev(self, "can't configure isapnp resources\n"); 107 return; 108 } 109 110 sc->sc_dev = self; 111 sc->sc_iot = ipa->ipa_iot; 112 sc->sc_ioh = ipa->ipa_io[0].h; 113 114 printf("%s: %s %s\n", device_xname(self), ipa->ipa_devident, 115 ipa->ipa_devclass); 116 117 /* This interface is always enabled. */ 118 sc->sc_enabled = 1; 119 120 /* Establish the interrupt handler. */ 121 isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 122 ipa->ipa_irq[0].type, IPL_NET, an_intr, sc); 123 if (isc->sc_ih == NULL) { 124 aprint_error_dev(self, "couldn't establish interrupt handler\n"); 125 return; 126 } 127 128 if (an_attach(sc) != 0) { 129 aprint_error_dev(self, "failed to attach controller\n"); 130 isa_intr_disestablish(ipa->ipa_ic, isc->sc_ih); 131 isc->sc_ih = NULL; 132 } 133 } 134