1 /* $NetBSD: if_an_pcmcia.c,v 1.28 2005/12/11 12:23:23 christos 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 1.28 2005/12/11 12:23:23 christos 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 <machine/cpu.h> 62 #include <machine/bus.h> 63 #include <machine/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 void *sc_powerhook; /* power hook descriptor */ 88 89 int sc_state; 90 #define AN_PCMCIA_ATTACHED 3 91 }; 92 93 CFATTACH_DECL(an_pcmcia, sizeof(struct an_pcmcia_softc), 94 an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate); 95 96 static const struct pcmcia_product an_pcmcia_products[] = { 97 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800, 98 PCMCIA_CIS_AIRONET_PC4800 }, 99 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4500, 100 PCMCIA_CIS_AIRONET_PC4500 }, 101 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_350, 102 PCMCIA_CIS_AIRONET_350 }, 103 }; 104 static const size_t an_pcmcia_nproducts = 105 sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]); 106 107 static int 108 an_pcmcia_match(parent, match, aux) 109 struct device *parent; 110 struct cfdata *match; 111 void *aux; 112 { 113 struct pcmcia_attach_args *pa = aux; 114 115 if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts, 116 sizeof(an_pcmcia_products[0]), NULL)) 117 return (1); 118 return (0); 119 } 120 121 static int 122 an_pcmcia_validate_config(cfe) 123 struct pcmcia_config_entry *cfe; 124 { 125 if (cfe->iftype != PCMCIA_IFTYPE_IO || 126 cfe->num_iospace < 1) 127 return (EINVAL); 128 return (0); 129 } 130 131 static void 132 an_pcmcia_attach(parent, self, aux) 133 struct device *parent, *self; 134 void *aux; 135 { 136 struct an_pcmcia_softc *psc = (void *)self; 137 struct an_softc *sc = &psc->sc_an; 138 struct pcmcia_attach_args *pa = aux; 139 struct pcmcia_config_entry *cfe; 140 int error; 141 142 psc->sc_pf = pa->pf; 143 144 error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); 145 if (error) { 146 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 147 error); 148 return; 149 } 150 151 cfe = pa->pf->cfe; 152 sc->sc_iot = cfe->iospace[0].handle.iot; 153 sc->sc_ioh = cfe->iospace[0].handle.ioh; 154 155 error = an_pcmcia_enable(sc); 156 if (error) 157 goto fail; 158 159 sc->sc_enabled = 1; 160 sc->sc_enable = an_pcmcia_enable; 161 sc->sc_disable = an_pcmcia_disable; 162 163 error = an_attach(sc); 164 if (error) { 165 aprint_error("%s: failed to attach controller\n", 166 self->dv_xname); 167 goto fail2; 168 } 169 170 psc->sc_powerhook = powerhook_establish(an_power, sc); 171 172 an_pcmcia_disable(sc); 173 sc->sc_enabled = 0; 174 psc->sc_state = AN_PCMCIA_ATTACHED; 175 return; 176 177 fail2: 178 an_pcmcia_disable(sc); 179 sc->sc_enabled = 0; 180 fail: 181 pcmcia_function_unconfigure(pa->pf); 182 } 183 184 185 static int 186 an_pcmcia_detach(self, flags) 187 struct device *self; 188 int flags; 189 { 190 struct an_pcmcia_softc *psc = (void *)self; 191 int error; 192 193 if (psc->sc_state != AN_PCMCIA_ATTACHED) 194 return (0); 195 196 if (psc->sc_powerhook) 197 powerhook_disestablish(psc->sc_powerhook); 198 199 error = an_detach(&psc->sc_an); 200 if (error) 201 return (error); 202 203 pcmcia_function_unconfigure(psc->sc_pf); 204 205 return (0); 206 } 207 208 static int 209 an_pcmcia_enable(sc) 210 struct an_softc *sc; 211 { 212 struct an_pcmcia_softc *psc = (void *)sc; 213 int error; 214 215 /* establish the interrupt. */ 216 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); 217 if (!psc->sc_ih) 218 return (EIO); 219 220 error = pcmcia_function_enable(psc->sc_pf); 221 if (error) { 222 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 223 psc->sc_ih = 0; 224 } 225 226 return (error); 227 } 228 229 static void 230 an_pcmcia_disable(sc) 231 struct an_softc *sc; 232 { 233 struct an_pcmcia_softc *psc = (void *)sc; 234 235 pcmcia_function_disable(psc->sc_pf); 236 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 237 psc->sc_ih = 0; 238 } 239