1 /* $NetBSD: if_an_pcmcia.c,v 1.40 2009/09/05 14:44:59 tsutsui 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 1.40 2009/09/05 14:44:59 tsutsui 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(device_t, cfdata_t, void *); 66 static int an_pcmcia_validate_config(struct pcmcia_config_entry *); 67 static void an_pcmcia_attach(device_t, device_t, void *); 68 static int an_pcmcia_detach(device_t, 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(device_t parent, cfdata_t 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(struct pcmcia_config_entry *cfe) 113 { 114 if (cfe->iftype != PCMCIA_IFTYPE_IO || 115 cfe->num_iospace < 1) 116 return (EINVAL); 117 return (0); 118 } 119 120 static void 121 an_pcmcia_attach(struct device *parent, device_t self, 122 void *aux) 123 { 124 struct an_pcmcia_softc *psc = device_private(self); 125 struct an_softc *sc = &psc->sc_an; 126 struct pcmcia_attach_args *pa = aux; 127 struct pcmcia_config_entry *cfe; 128 int error; 129 130 sc->sc_dev = self; 131 psc->sc_pf = pa->pf; 132 133 error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); 134 if (error) { 135 aprint_error_dev(self, "configure failed, error=%d\n", 136 error); 137 return; 138 } 139 140 cfe = pa->pf->cfe; 141 sc->sc_iot = cfe->iospace[0].handle.iot; 142 sc->sc_ioh = cfe->iospace[0].handle.ioh; 143 144 error = an_pcmcia_enable(sc); 145 if (error) 146 goto fail; 147 148 sc->sc_enabled = 1; 149 sc->sc_enable = an_pcmcia_enable; 150 sc->sc_disable = an_pcmcia_disable; 151 152 error = an_attach(sc); 153 if (error) { 154 aprint_error_dev(self, "failed to attach controller\n"); 155 goto fail2; 156 } 157 158 if (pmf_device_register(self, NULL, NULL)) 159 pmf_class_network_register(self, &sc->sc_if); 160 else 161 aprint_error_dev(self, "couldn't establish power handler\n"); 162 163 an_pcmcia_disable(sc); 164 sc->sc_enabled = 0; 165 psc->sc_state = AN_PCMCIA_ATTACHED; 166 return; 167 168 fail2: 169 an_pcmcia_disable(sc); 170 sc->sc_enabled = 0; 171 fail: 172 pcmcia_function_unconfigure(pa->pf); 173 } 174 175 176 static int 177 an_pcmcia_detach(device_t self, int flags) 178 { 179 struct an_pcmcia_softc *psc = device_private(self); 180 int error; 181 182 if (psc->sc_state != AN_PCMCIA_ATTACHED) 183 return (0); 184 185 pmf_device_deregister(self); 186 187 error = an_detach(&psc->sc_an); 188 if (error) 189 return (error); 190 191 pcmcia_function_unconfigure(psc->sc_pf); 192 193 return (0); 194 } 195 196 static int 197 an_pcmcia_enable(struct an_softc *sc) 198 { 199 struct an_pcmcia_softc *psc = (void *)sc; 200 int error; 201 202 /* establish the interrupt. */ 203 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); 204 if (!psc->sc_ih) 205 return (EIO); 206 207 error = pcmcia_function_enable(psc->sc_pf); 208 if (error) { 209 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 210 psc->sc_ih = 0; 211 } 212 213 return (error); 214 } 215 216 static void 217 an_pcmcia_disable(struct an_softc *sc) 218 { 219 struct an_pcmcia_softc *psc = (void *)sc; 220 221 pcmcia_function_disable(psc->sc_pf); 222 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 223 psc->sc_ih = 0; 224 } 225