| 1 | /* $NetBSD: if_an_pcmcia.c,v 1.41 2012/10/27 17:18:36 chs 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 1.41 2012/10/27 17:18:36 chs 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, void *aux) |
| 101 | { |
| 102 | struct pcmcia_attach_args *pa = aux; |
| 103 | |
| 104 | if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts, |
| 105 | sizeof(an_pcmcia_products[0]), NULL)) |
| 106 | return (1); |
| 107 | return (0); |
| 108 | } |
| 109 | |
| 110 | static int |
| 111 | an_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
| 112 | { |
| 113 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
| 114 | cfe->num_iospace < 1) |
| 115 | return (EINVAL); |
| 116 | return (0); |
| 117 | } |
| 118 | |
| 119 | static void |
| 120 | an_pcmcia_attach(device_t parent, device_t self, void *aux) |
| 121 | { |
| 122 | struct an_pcmcia_softc *psc = device_private(self); |
| 123 | struct an_softc *sc = &psc->sc_an; |
| 124 | struct pcmcia_attach_args *pa = aux; |
| 125 | struct pcmcia_config_entry *cfe; |
| 126 | int error; |
| 127 | |
| 128 | sc->sc_dev = self; |
| 129 | psc->sc_pf = pa->pf; |
| 130 | |
| 131 | error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); |
| 132 | if (error) { |
| 133 | aprint_error_dev(self, "configure failed, error=%d\n" , |
| 134 | error); |
| 135 | return; |
| 136 | } |
| 137 | |
| 138 | cfe = pa->pf->cfe; |
| 139 | sc->sc_iot = cfe->iospace[0].handle.iot; |
| 140 | sc->sc_ioh = cfe->iospace[0].handle.ioh; |
| 141 | |
| 142 | error = an_pcmcia_enable(sc); |
| 143 | if (error) |
| 144 | goto fail; |
| 145 | |
| 146 | sc->sc_enabled = 1; |
| 147 | sc->sc_enable = an_pcmcia_enable; |
| 148 | sc->sc_disable = an_pcmcia_disable; |
| 149 | |
| 150 | error = an_attach(sc); |
| 151 | if (error) { |
| 152 | aprint_error_dev(self, "failed to attach controller\n" ); |
| 153 | goto fail2; |
| 154 | } |
| 155 | |
| 156 | if (pmf_device_register(self, NULL, NULL)) |
| 157 | pmf_class_network_register(self, &sc->sc_if); |
| 158 | else |
| 159 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 160 | |
| 161 | an_pcmcia_disable(sc); |
| 162 | sc->sc_enabled = 0; |
| 163 | psc->sc_state = AN_PCMCIA_ATTACHED; |
| 164 | return; |
| 165 | |
| 166 | fail2: |
| 167 | an_pcmcia_disable(sc); |
| 168 | sc->sc_enabled = 0; |
| 169 | fail: |
| 170 | pcmcia_function_unconfigure(pa->pf); |
| 171 | } |
| 172 | |
| 173 | |
| 174 | static int |
| 175 | an_pcmcia_detach(device_t self, int flags) |
| 176 | { |
| 177 | struct an_pcmcia_softc *psc = device_private(self); |
| 178 | int error; |
| 179 | |
| 180 | if (psc->sc_state != AN_PCMCIA_ATTACHED) |
| 181 | return (0); |
| 182 | |
| 183 | pmf_device_deregister(self); |
| 184 | |
| 185 | error = an_detach(&psc->sc_an); |
| 186 | if (error) |
| 187 | return (error); |
| 188 | |
| 189 | pcmcia_function_unconfigure(psc->sc_pf); |
| 190 | |
| 191 | return (0); |
| 192 | } |
| 193 | |
| 194 | static int |
| 195 | an_pcmcia_enable(struct an_softc *sc) |
| 196 | { |
| 197 | struct an_pcmcia_softc *psc = (void *)sc; |
| 198 | int error; |
| 199 | |
| 200 | /* establish the interrupt. */ |
| 201 | psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); |
| 202 | if (!psc->sc_ih) |
| 203 | return (EIO); |
| 204 | |
| 205 | error = pcmcia_function_enable(psc->sc_pf); |
| 206 | if (error) { |
| 207 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 208 | psc->sc_ih = 0; |
| 209 | } |
| 210 | |
| 211 | return (error); |
| 212 | } |
| 213 | |
| 214 | static void |
| 215 | an_pcmcia_disable(struct an_softc *sc) |
| 216 | { |
| 217 | struct an_pcmcia_softc *psc = (void *)sc; |
| 218 | |
| 219 | pcmcia_function_disable(psc->sc_pf); |
| 220 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 221 | psc->sc_ih = 0; |
| 222 | } |
| 223 | |