if_an_pcmcia.c revision 1.36
1 /* $NetBSD: if_an_pcmcia.c,v 1.36 2008/07/03 18:10:08 drochner Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2004 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 * 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_an_pcmcia.c,v 1.36 2008/07/03 18:10:08 drochner Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/callout.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/syslog.h> 43 #include <sys/select.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_ether.h> 49 #include <net/if_media.h> 50 51 #include <net80211/ieee80211_netbsd.h> 52 #include <net80211/ieee80211_var.h> 53 54 #include <sys/cpu.h> 55 #include <sys/bus.h> 56 #include <sys/intr.h> 57 58 #include <dev/ic/anreg.h> 59 #include <dev/ic/anvar.h> 60 61 #include <dev/pcmcia/pcmciareg.h> 62 #include <dev/pcmcia/pcmciavar.h> 63 #include <dev/pcmcia/pcmciadevs.h> 64 65 static int an_pcmcia_match(struct device *, struct cfdata *, void *); 66 static int an_pcmcia_validate_config(struct pcmcia_config_entry *); 67 static void an_pcmcia_attach(struct device *, struct device *, void *); 68 static int an_pcmcia_detach(struct device *, int); 69 static int an_pcmcia_enable(struct an_softc *); 70 static void an_pcmcia_disable(struct an_softc *); 71 72 struct an_pcmcia_softc { 73 struct an_softc sc_an; /* real "an" softc */ 74 75 /* PCMCIA-specific goo */ 76 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 77 int sc_io_window; /* our i/o window */ 78 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 79 void *sc_ih; /* interrupt handle */ 80 81 int sc_state; 82 #define AN_PCMCIA_ATTACHED 3 83 }; 84 85 CFATTACH_DECL_NEW(an_pcmcia, sizeof(struct an_pcmcia_softc), 86 an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate); 87 88 static const struct pcmcia_product an_pcmcia_products[] = { 89 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800, 90 PCMCIA_CIS_AIRONET_PC4800 }, 91 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4500, 92 PCMCIA_CIS_AIRONET_PC4500 }, 93 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_350, 94 PCMCIA_CIS_AIRONET_350 }, 95 }; 96 static const size_t an_pcmcia_nproducts = 97 sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]); 98 99 static int 100 an_pcmcia_match(struct device *parent, struct cfdata *match, 101 void *aux) 102 { 103 struct pcmcia_attach_args *pa = aux; 104 105 if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts, 106 sizeof(an_pcmcia_products[0]), NULL)) 107 return (1); 108 return (0); 109 } 110 111 static int 112 an_pcmcia_validate_config(cfe) 113 struct pcmcia_config_entry *cfe; 114 { 115 if (cfe->iftype != PCMCIA_IFTYPE_IO || 116 cfe->num_iospace < 1) 117 return (EINVAL); 118 return (0); 119 } 120 121 static void 122 an_pcmcia_attach(struct device *parent, struct device *self, 123 void *aux) 124 { 125 struct an_pcmcia_softc *psc = device_private(self); 126 struct an_softc *sc = &psc->sc_an; 127 struct pcmcia_attach_args *pa = aux; 128 struct pcmcia_config_entry *cfe; 129 int error; 130 131 sc->sc_dev = self; 132 psc->sc_pf = pa->pf; 133 134 error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); 135 if (error) { 136 aprint_error_dev(self, "configure failed, error=%d\n", 137 error); 138 return; 139 } 140 141 cfe = pa->pf->cfe; 142 sc->sc_iot = cfe->iospace[0].handle.iot; 143 sc->sc_ioh = cfe->iospace[0].handle.ioh; 144 145 error = an_pcmcia_enable(sc); 146 if (error) 147 goto fail; 148 149 sc->sc_enabled = 1; 150 sc->sc_enable = an_pcmcia_enable; 151 sc->sc_disable = an_pcmcia_disable; 152 153 error = an_attach(sc); 154 if (error) { 155 aprint_error_dev(self, "failed to attach controller\n"); 156 goto fail2; 157 } 158 159 if (!pmf_device_register(self, NULL, NULL)) 160 aprint_error_dev(self, "couldn't establish power handler\n"); 161 else 162 pmf_class_network_register(self, &sc->sc_if); 163 164 an_pcmcia_disable(sc); 165 sc->sc_enabled = 0; 166 psc->sc_state = AN_PCMCIA_ATTACHED; 167 return; 168 169 fail2: 170 an_pcmcia_disable(sc); 171 sc->sc_enabled = 0; 172 fail: 173 pcmcia_function_unconfigure(pa->pf); 174 } 175 176 177 static int 178 an_pcmcia_detach(struct device *self, int flags) 179 { 180 struct an_pcmcia_softc *psc = device_private(self); 181 int error; 182 183 if (psc->sc_state != AN_PCMCIA_ATTACHED) 184 return (0); 185 186 pmf_device_deregister(self); 187 188 error = an_detach(&psc->sc_an); 189 if (error) 190 return (error); 191 192 pcmcia_function_unconfigure(psc->sc_pf); 193 194 return (0); 195 } 196 197 static int 198 an_pcmcia_enable(sc) 199 struct an_softc *sc; 200 { 201 struct an_pcmcia_softc *psc = (void *)sc; 202 int error; 203 204 /* establish the interrupt. */ 205 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); 206 if (!psc->sc_ih) 207 return (EIO); 208 209 error = pcmcia_function_enable(psc->sc_pf); 210 if (error) { 211 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 212 psc->sc_ih = 0; 213 } 214 215 return (error); 216 } 217 218 static void 219 an_pcmcia_disable(sc) 220 struct an_softc *sc; 221 { 222 struct an_pcmcia_softc *psc = (void *)sc; 223 224 pcmcia_function_disable(psc->sc_pf); 225 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 226 psc->sc_ih = 0; 227 } 228
Indexes created Sun Sep 28 12:09:53 GMT 2025