if_ep_pcmcia.c revision 1.24
1 /* $NetBSD: if_ep_pcmcia.c,v 1.24 1999/10/11 17:49:21 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 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 /* 41 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Marc Horowitz. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 */ 68 69 #include "opt_inet.h" 70 #include "opt_ns.h" 71 #include "bpfilter.h" 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/mbuf.h> 76 #include <sys/socket.h> 77 #include <sys/ioctl.h> 78 #include <sys/errno.h> 79 #include <sys/syslog.h> 80 #include <sys/select.h> 81 #include <sys/device.h> 82 83 #include <net/if.h> 84 #include <net/if_dl.h> 85 #include <net/if_ether.h> 86 #include <net/if_media.h> 87 88 #ifdef INET 89 #include <netinet/in.h> 90 #include <netinet/in_systm.h> 91 #include <netinet/in_var.h> 92 #include <netinet/ip.h> 93 #include <netinet/if_inarp.h> 94 #endif 95 96 #ifdef NS 97 #include <netns/ns.h> 98 #include <netns/ns_if.h> 99 #endif 100 101 #if NBPFILTER > 0 102 #include <net/bpf.h> 103 #include <net/bpfdesc.h> 104 #endif 105 106 #include <machine/cpu.h> 107 #include <machine/bus.h> 108 #include <machine/intr.h> 109 110 #include <dev/mii/miivar.h> 111 112 #include <dev/ic/elink3var.h> 113 #include <dev/ic/elink3reg.h> 114 115 #include <dev/pcmcia/pcmciareg.h> 116 #include <dev/pcmcia/pcmciavar.h> 117 #include <dev/pcmcia/pcmciadevs.h> 118 119 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *)); 120 void ep_pcmcia_attach __P((struct device *, struct device *, void *)); 121 int ep_pcmcia_detach __P((struct device *, int)); 122 123 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 124 int ep_pcmcia_enable __P((struct ep_softc *)); 125 void ep_pcmcia_disable __P((struct ep_softc *)); 126 127 int ep_pcmcia_enable1 __P((struct ep_softc *)); 128 void ep_pcmcia_disable1 __P((struct ep_softc *)); 129 130 struct ep_pcmcia_softc { 131 struct ep_softc sc_ep; /* real "ep" softc */ 132 133 /* PCMCIA-specific goo */ 134 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 135 int sc_io_window; /* our i/o window */ 136 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 137 }; 138 139 struct cfattach ep_pcmcia_ca = { 140 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach, 141 ep_pcmcia_detach, ep_activate 142 }; 143 144 struct ep_pcmcia_product { 145 u_int32_t epp_product; /* PCMCIA product ID */ 146 u_short epp_chipset; /* 3Com chipset used */ 147 int epp_flags; /* initial softc flags */ 148 int epp_expfunc; /* expected function */ 149 const char *epp_name; /* device name */ 150 } ep_pcmcia_products[] = { 151 { PCMCIA_PRODUCT_3COM_3C562, ELINK_CHIPSET_3C509, 152 0, 0, 153 PCMCIA_STR_3COM_3C562 }, 154 { PCMCIA_PRODUCT_3COM_3C589, ELINK_CHIPSET_3C509, 155 0, 0, 156 PCMCIA_STR_3COM_3C589 }, 157 158 { PCMCIA_PRODUCT_3COM_3CXEM556, ELINK_CHIPSET_3C509, 159 0, 0, 160 PCMCIA_STR_3COM_3CXEM556 }, 161 162 { PCMCIA_PRODUCT_3COM_3CXEM556INT, ELINK_CHIPSET_3C509, 163 0, 0, 164 PCMCIA_STR_3COM_3CXEM556INT }, 165 166 { PCMCIA_PRODUCT_3COM_3C574, ELINK_CHIPSET_ROADRUNNER, 167 ELINK_FLAGS_MII, 0, 168 PCMCIA_STR_3COM_3C574 }, 169 170 { PCMCIA_PRODUCT_3COM_3CCFEM556BI, ELINK_CHIPSET_ROADRUNNER, 171 ELINK_FLAGS_MII, 0, 172 PCMCIA_STR_3COM_3CCFEM556BI }, 173 174 { 0, 0, 175 0, 0, 176 NULL }, 177 }; 178 179 struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *)); 180 181 struct ep_pcmcia_product * 182 ep_pcmcia_lookup(pa) 183 struct pcmcia_attach_args *pa; 184 { 185 struct ep_pcmcia_product *epp; 186 187 for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++) 188 if (pa->product == epp->epp_product && 189 pa->pf->number == epp->epp_expfunc) 190 return (epp); 191 192 return (NULL); 193 } 194 195 int 196 ep_pcmcia_match(parent, match, aux) 197 struct device *parent; 198 struct cfdata *match; 199 void *aux; 200 { 201 struct pcmcia_attach_args *pa = aux; 202 203 if (pa->manufacturer != PCMCIA_VENDOR_3COM) 204 return (0); 205 206 if (ep_pcmcia_lookup(pa) != NULL) 207 return (1); 208 209 return (0); 210 } 211 212 int 213 ep_pcmcia_enable(sc) 214 struct ep_softc *sc; 215 { 216 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 217 struct pcmcia_function *pf = psc->sc_pf; 218 219 /* establish the interrupt. */ 220 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 221 if (sc->sc_ih == NULL) { 222 printf("%s: couldn't establish interrupt\n", 223 sc->sc_dev.dv_xname); 224 return (1); 225 } 226 227 return (ep_pcmcia_enable1(sc)); 228 } 229 230 int 231 ep_pcmcia_enable1(sc) 232 struct ep_softc *sc; 233 { 234 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 235 struct pcmcia_function *pf = psc->sc_pf; 236 int ret; 237 238 if ((ret = pcmcia_function_enable(pf))) 239 return (ret); 240 241 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 242 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 243 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 244 int reg; 245 246 /* turn off the serial-disable bit */ 247 248 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 249 if (reg & 0x08) { 250 reg &= ~0x08; 251 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 252 } 253 254 } 255 256 return (ret); 257 } 258 259 void 260 ep_pcmcia_disable(sc) 261 struct ep_softc *sc; 262 { 263 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 264 265 ep_pcmcia_disable1(sc); 266 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 267 } 268 269 void 270 ep_pcmcia_disable1(sc) 271 struct ep_softc *sc; 272 { 273 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 274 275 pcmcia_function_disable(psc->sc_pf); 276 } 277 278 void 279 ep_pcmcia_attach(parent, self, aux) 280 struct device *parent, *self; 281 void *aux; 282 { 283 struct ep_pcmcia_softc *psc = (void *) self; 284 struct ep_softc *sc = &psc->sc_ep; 285 struct pcmcia_attach_args *pa = aux; 286 struct pcmcia_config_entry *cfe; 287 struct ep_pcmcia_product *epp; 288 u_int8_t myla[ETHER_ADDR_LEN]; 289 u_int8_t *enaddr = NULL; 290 int i; 291 292 psc->sc_pf = pa->pf; 293 cfe = pa->pf->cfe_head.sqh_first; 294 295 /* Enable the card. */ 296 pcmcia_function_init(pa->pf, cfe); 297 if (ep_pcmcia_enable1(sc)) 298 printf(": function enable failed\n"); 299 300 sc->enabled = 1; 301 302 if (cfe->num_memspace != 0) 303 printf(": unexpected number of memory spaces %d should be 0\n", 304 cfe->num_memspace); 305 306 if (cfe->num_iospace != 1) 307 printf(": unexpected number of I/O spaces %d should be 1\n", 308 cfe->num_iospace); 309 310 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 311 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize); 312 313 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) { 314 /* 315 * the 3c562 can only use 0x??00-0x??7f 316 * according to the Linux driver 317 */ 318 if (i & 0x80) 319 continue; 320 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 321 0, &psc->sc_pcioh) == 0) 322 break; 323 } 324 if (i >= maxaddr) { 325 printf(": can't allocate i/o space\n"); 326 return; 327 } 328 } else { 329 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 330 cfe->iospace[0].length, &psc->sc_pcioh)) 331 printf(": can't allocate i/o space\n"); 332 } 333 334 sc->sc_iot = psc->sc_pcioh.iot; 335 sc->sc_ioh = psc->sc_pcioh.ioh; 336 337 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 338 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length, 339 &psc->sc_pcioh, &psc->sc_io_window)) { 340 printf(": can't map i/o space\n"); 341 return; 342 } 343 344 switch (pa->product) { 345 case PCMCIA_PRODUCT_3COM_3C562: 346 /* 347 * 3c562a-c use this; 3c562d does it in the regular way. 348 * we might want to check the revision and produce a warning 349 * in the future. 350 */ 351 /* FALLTHROUGH */ 352 case PCMCIA_PRODUCT_3COM_3C574: 353 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 354 /* 355 * Apparently, some 3c574s do it this way, as well. 356 */ 357 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 358 enaddr = myla; 359 break; 360 } 361 362 epp = ep_pcmcia_lookup(pa); 363 if (epp == NULL) 364 panic("ep_pcmcia_attach: impossible"); 365 366 printf(": %s\n", epp->epp_name); 367 368 sc->bustype = ELINK_BUS_PCMCIA; 369 sc->ep_flags = epp->epp_flags; 370 371 sc->enable = ep_pcmcia_enable; 372 sc->disable = ep_pcmcia_disable; 373 374 epconfig(sc, epp->epp_chipset, enaddr); 375 376 sc->enabled = 0; 377 378 ep_pcmcia_disable1(sc); 379 } 380 381 int 382 ep_pcmcia_detach(self, flags) 383 struct device *self; 384 int flags; 385 { 386 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 387 388 /* Unmap our i/o window. */ 389 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 390 391 /* Free our i/o space. */ 392 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 393 394 #ifdef notyet 395 /* 396 * Our softc is about to go away, so drop our reference 397 * to the ifnet. 398 */ 399 if_delref(psc->sc_ep.sc_ethercom.ec_if); 400 return (0); 401 #else 402 return (EBUSY); 403 #endif 404 } 405 406 int 407 ep_pcmcia_get_enaddr(tuple, arg) 408 struct pcmcia_tuple *tuple; 409 void *arg; 410 { 411 u_int8_t *myla = arg; 412 int i; 413 414 /* this is 3c562a-c magic */ 415 if (tuple->code == 0x88) { 416 if (tuple->length < ETHER_ADDR_LEN) 417 return (0); 418 419 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 420 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 421 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 422 } 423 424 return (1); 425 } 426 return (0); 427 } 428
Indexes created Wed Oct 01 19:09:53 GMT 2025