if_sm_pcmcia.c revision 1.20
1 /* $NetBSD: if_sm_pcmcia.c,v 1.20 2000/02/04 01:27:13 cgd Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include "opt_inet.h" 41 #include "opt_ns.h" 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/syslog.h> 51 #include <sys/select.h> 52 #include <sys/device.h> 53 54 #include <net/if.h> 55 #include <net/if_dl.h> 56 #include <net/if_ether.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/in_systm.h> 62 #include <netinet/in_var.h> 63 #include <netinet/ip.h> 64 #include <netinet/if_inarp.h> 65 #endif 66 67 #ifdef NS 68 #include <netns/ns.h> 69 #include <netns/ns_if.h> 70 #endif 71 72 #if NBPFILTER > 0 73 #include <net/bpf.h> 74 #include <net/bpfdesc.h> 75 #endif 76 77 #include <machine/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/ic/smc91cxxreg.h> 81 #include <dev/ic/smc91cxxvar.h> 82 83 #include <dev/pcmcia/pcmciareg.h> 84 #include <dev/pcmcia/pcmciavar.h> 85 #include <dev/pcmcia/pcmciadevs.h> 86 87 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *)); 88 void sm_pcmcia_attach __P((struct device *, struct device *, void *)); 89 int sm_pcmcia_detach __P((struct device *, int)); 90 91 struct sm_pcmcia_softc { 92 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 93 94 /* PCMCIA-specific goo. */ 95 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 96 int sc_io_window; /* our i/o window */ 97 void *sc_ih; /* interrupt cookie */ 98 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 99 100 int sc_configured; /* bool; attached or not */ 101 int sc_enabled; /* bool; enabled or not */ 102 }; 103 104 struct cfattach sm_pcmcia_ca = { 105 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach, 106 sm_pcmcia_detach, smc91cxx_activate 107 }; 108 109 int sm_pcmcia_enable __P((struct smc91cxx_softc *)); 110 void sm_pcmcia_disable __P((struct smc91cxx_softc *)); 111 112 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *)); 113 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *)); 114 115 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *)); 116 117 const struct pcmcia_product sm_pcmcia_products[] = { 118 { PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2, 119 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, }, 120 121 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA, 122 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, }, 123 124 #if 0 125 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC, 126 PCMCIA_PRODUCT_SMC_8020BT, 0, }, 127 #endif 128 129 { NULL } 130 }; 131 132 int 133 sm_pcmcia_match(parent, match, aux) 134 struct device *parent; 135 struct cfdata *match; 136 void *aux; 137 { 138 struct pcmcia_attach_args *pa = aux; 139 140 if (pcmcia_product_lookup(pa, sm_pcmcia_products, 141 sizeof sm_pcmcia_products[0], NULL) != NULL) 142 return (1); 143 return (0); 144 } 145 146 void 147 sm_pcmcia_attach(parent, self, aux) 148 struct device *parent, *self; 149 void *aux; 150 { 151 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 152 struct smc91cxx_softc *sc = &psc->sc_smc; 153 struct pcmcia_attach_args *pa = aux; 154 struct pcmcia_config_entry *cfe; 155 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL; 156 const struct pcmcia_product *pp; 157 158 psc->sc_configured = 0; 159 160 psc->sc_pf = pa->pf; 161 cfe = pa->pf->cfe_head.sqh_first; 162 163 /* Enable the card. */ 164 pcmcia_function_init(pa->pf, cfe); 165 if (pcmcia_function_enable(pa->pf)) { 166 printf(": function enable failed\n"); 167 return; 168 } 169 170 /* XXX sanity check number of mem and i/o spaces */ 171 172 /* Allocate and map i/o space for the card. */ 173 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 174 cfe->iospace[0].length, &psc->sc_pcioh)) { 175 printf(": can't allocate i/o space\n"); 176 pcmcia_function_disable(pa->pf); 177 return; 178 } 179 180 sc->sc_bst = psc->sc_pcioh.iot; 181 sc->sc_bsh = psc->sc_pcioh.ioh; 182 183 sc->sc_enable = sm_pcmcia_enable; 184 sc->sc_disable = sm_pcmcia_disable; 185 186 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ? 187 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length, 188 &psc->sc_pcioh, &psc->sc_io_window)) { 189 printf(": can't map i/o space\n"); 190 pcmcia_io_free(pa->pf, &psc->sc_pcioh); 191 pcmcia_function_disable(pa->pf); 192 return; 193 } 194 195 pp = pcmcia_product_lookup(pa, sm_pcmcia_products, 196 sizeof sm_pcmcia_products[0], NULL); 197 if (pp == NULL) 198 panic("sm_pcmcia_attach: impossible"); 199 200 printf(": %s\n", pp->pp_name); 201 202 /* 203 * First try to get the Ethernet address from FUNCE/LANNID tuple. 204 */ 205 if (sm_pcmcia_funce_enaddr(parent, myla)) 206 enaddr = myla; 207 208 /* 209 * If that failed, try one of the CIS info strings. 210 */ 211 if (enaddr == NULL) { 212 char *cisstr = NULL; 213 214 switch (pa->manufacturer) { 215 case PCMCIA_VENDOR_MEGAHERTZ: 216 case PCMCIA_VENDOR_MEGAHERTZ2: 217 cisstr = pa->pf->sc->card.cis1_info[3]; 218 break; 219 220 case PCMCIA_VENDOR_SMC: 221 cisstr = pa->pf->sc->card.cis1_info[2]; 222 break; 223 } 224 225 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla)) 226 enaddr = myla; 227 } 228 229 if (enaddr == NULL) 230 printf("%s: unable to get Ethernet address\n", 231 sc->sc_dev.dv_xname); 232 233 /* Perform generic intialization. */ 234 smc91cxx_attach(sc, enaddr); 235 236 pcmcia_function_disable(pa->pf); 237 238 psc->sc_configured = 1; 239 } 240 241 int 242 sm_pcmcia_detach(self, flags) 243 struct device *self; 244 int flags; 245 { 246 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 247 int rv; 248 249 if (psc->sc_configured == 0) 250 return 0; 251 252 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags); 253 if (rv == 0) { 254 /* Unmap our i/o window. */ 255 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 256 257 /* Free our i/o space. */ 258 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 259 } 260 return rv; 261 } 262 263 int 264 sm_pcmcia_ascii_enaddr(cisstr, myla) 265 const char *cisstr; 266 u_int8_t *myla; 267 { 268 u_int8_t digit; 269 int i; 270 271 memset(myla, 0, ETHER_ADDR_LEN); 272 273 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 274 if (cisstr[i] >= '0' && cisstr[i] <= '9') 275 digit |= cisstr[i] - '0'; 276 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 277 digit |= (cisstr[i] - 'a') + 10; 278 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 279 digit |= (cisstr[i] - 'A') + 10; 280 else { 281 /* Bogus digit!! */ 282 return (0); 283 } 284 285 /* Compensate for ordering of digits. */ 286 if (i & 1) { 287 myla[i >> 1] = digit; 288 digit = 0; 289 } else 290 digit <<= 4; 291 } 292 293 return (1); 294 } 295 296 int 297 sm_pcmcia_funce_enaddr(parent, myla) 298 struct device *parent; 299 u_int8_t *myla; 300 { 301 302 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla)); 303 } 304 305 int 306 sm_pcmcia_lannid_ciscallback(tuple, arg) 307 struct pcmcia_tuple *tuple; 308 void *arg; 309 { 310 u_int8_t *myla = arg; 311 int i; 312 313 if (tuple->code == PCMCIA_CISTPL_FUNCE) { 314 /* subcode, length */ 315 if (tuple->length < 2) 316 return (0); 317 318 if ((pcmcia_tuple_read_1(tuple, 0) != 319 PCMCIA_TPLFE_TYPE_LAN_NID) || 320 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 321 return (0); 322 323 for (i = 0; i < ETHER_ADDR_LEN; i++) 324 myla[i] = pcmcia_tuple_read_1(tuple, i + 2); 325 return (1); 326 } 327 return (0); 328 } 329 330 int 331 sm_pcmcia_enable(sc) 332 struct smc91cxx_softc *sc; 333 { 334 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 335 int rv; 336 337 if (sc->sc_enabled != 0) 338 return 0; 339 340 /* Establish the interrupt handler. */ 341 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 342 sc); 343 if (psc->sc_ih == NULL) { 344 printf("%s: couldn't establish interrupt handler\n", 345 sc->sc_dev.dv_xname); 346 return (1); 347 } 348 349 rv = pcmcia_function_enable(psc->sc_pf); 350 sc->sc_enabled = 1; 351 return (rv); 352 } 353 354 void 355 sm_pcmcia_disable(sc) 356 struct smc91cxx_softc *sc; 357 { 358 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 359 360 if (sc->sc_enabled == 0) 361 return; 362 363 pcmcia_function_disable(psc->sc_pf); 364 365 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 366 sc->sc_enabled = 0; 367 } 368
Indexes created Mon Sep 29 21:09:56 GMT 2025