if_an_pcmcia.c revision 1.34
1 /* $NetBSD: if_an_pcmcia.c,v 1.34 2008/04/05 21:31:23 cegger 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 * 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 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: if_an_pcmcia.c,v 1.34 2008/04/05 21:31:23 cegger Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/callout.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #include <net80211/ieee80211_netbsd.h> 59 #include <net80211/ieee80211_var.h> 60 61 #include <sys/cpu.h> 62 #include <sys/bus.h> 63 #include <sys/intr.h> 64 65 #include <dev/ic/anreg.h> 66 #include <dev/ic/anvar.h> 67 68 #include <dev/pcmcia/pcmciareg.h> 69 #include <dev/pcmcia/pcmciavar.h> 70 #include <dev/pcmcia/pcmciadevs.h> 71 72 static int an_pcmcia_match(struct device *, struct cfdata *, void *); 73 static int an_pcmcia_validate_config(struct pcmcia_config_entry *); 74 static void an_pcmcia_attach(struct device *, struct device *, void *); 75 static int an_pcmcia_detach(struct device *, int); 76 static int an_pcmcia_enable(struct an_softc *); 77 static void an_pcmcia_disable(struct an_softc *); 78 79 struct an_pcmcia_softc { 80 struct an_softc sc_an; /* real "an" softc */ 81 82 /* PCMCIA-specific goo */ 83 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 84 int sc_io_window; /* our i/o window */ 85 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 86 void *sc_ih; /* interrupt handle */ 87 88 int sc_state; 89 #define AN_PCMCIA_ATTACHED 3 90 }; 91 92 CFATTACH_DECL(an_pcmcia, sizeof(struct an_pcmcia_softc), 93 an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate); 94 95 static const struct pcmcia_product an_pcmcia_products[] = { 96 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800, 97 PCMCIA_CIS_AIRONET_PC4800 }, 98 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4500, 99 PCMCIA_CIS_AIRONET_PC4500 }, 100 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_350, 101 PCMCIA_CIS_AIRONET_350 }, 102 }; 103 static const size_t an_pcmcia_nproducts = 104 sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]); 105 106 static int 107 an_pcmcia_match(struct device *parent, struct cfdata *match, 108 void *aux) 109 { 110 struct pcmcia_attach_args *pa = aux; 111 112 if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts, 113 sizeof(an_pcmcia_products[0]), NULL)) 114 return (1); 115 return (0); 116 } 117 118 static int 119 an_pcmcia_validate_config(cfe) 120 struct pcmcia_config_entry *cfe; 121 { 122 if (cfe->iftype != PCMCIA_IFTYPE_IO || 123 cfe->num_iospace < 1) 124 return (EINVAL); 125 return (0); 126 } 127 128 static void 129 an_pcmcia_attach(struct device *parent, struct device *self, 130 void *aux) 131 { 132 struct an_pcmcia_softc *psc = (void *)self; 133 struct an_softc *sc = &psc->sc_an; 134 struct pcmcia_attach_args *pa = aux; 135 struct pcmcia_config_entry *cfe; 136 int error; 137 138 psc->sc_pf = pa->pf; 139 140 error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); 141 if (error) { 142 aprint_error_dev(self, "configure failed, error=%d\n", 143 error); 144 return; 145 } 146 147 cfe = pa->pf->cfe; 148 sc->sc_iot = cfe->iospace[0].handle.iot; 149 sc->sc_ioh = cfe->iospace[0].handle.ioh; 150 151 error = an_pcmcia_enable(sc); 152 if (error) 153 goto fail; 154 155 sc->sc_enabled = 1; 156 sc->sc_enable = an_pcmcia_enable; 157 sc->sc_disable = an_pcmcia_disable; 158 159 error = an_attach(sc); 160 if (error) { 161 aprint_error_dev(self, "failed to attach controller\n"); 162 goto fail2; 163 } 164 165 if (!pmf_device_register(self, NULL, NULL)) 166 aprint_error_dev(self, "couldn't establish power handler\n"); 167 else 168 pmf_class_network_register(self, &sc->sc_if); 169 170 an_pcmcia_disable(sc); 171 sc->sc_enabled = 0; 172 psc->sc_state = AN_PCMCIA_ATTACHED; 173 return; 174 175 fail2: 176 an_pcmcia_disable(sc); 177 sc->sc_enabled = 0; 178 fail: 179 pcmcia_function_unconfigure(pa->pf); 180 } 181 182 183 static int 184 an_pcmcia_detach(struct device *self, int flags) 185 { 186 struct an_pcmcia_softc *psc = (void *)self; 187 int error; 188 189 if (psc->sc_state != AN_PCMCIA_ATTACHED) 190 return (0); 191 192 pmf_device_deregister(self); 193 194 error = an_detach(&psc->sc_an); 195 if (error) 196 return (error); 197 198 pcmcia_function_unconfigure(psc->sc_pf); 199 200 return (0); 201 } 202 203 static int 204 an_pcmcia_enable(sc) 205 struct an_softc *sc; 206 { 207 struct an_pcmcia_softc *psc = (void *)sc; 208 int error; 209 210 /* establish the interrupt. */ 211 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); 212 if (!psc->sc_ih) 213 return (EIO); 214 215 error = pcmcia_function_enable(psc->sc_pf); 216 if (error) { 217 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 218 psc->sc_ih = 0; 219 } 220 221 return (error); 222 } 223 224 static void 225 an_pcmcia_disable(sc) 226 struct an_softc *sc; 227 { 228 struct an_pcmcia_softc *psc = (void *)sc; 229 230 pcmcia_function_disable(psc->sc_pf); 231 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 232 psc->sc_ih = 0; 233 } 234
Indexes created Tue Sep 30 06:09:59 GMT 2025