if_awi_pcmcia.c revision 1.12
1 /* $NetBSD: if_awi_pcmcia.c,v 1.12 2000/02/17 15:58:32 sommerfeld Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Sommerfeld 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 /* 40 * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card, 41 * based on the AMD 79c930 802.11 controller chip. 42 * 43 * This attachment can probably be trivally adapted for other FH and 44 * DS cards based on the same chipset. 45 */ 46 47 #include "opt_inet.h" 48 #include "opt_ns.h" 49 #include "bpfilter.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/mbuf.h> 54 #include <sys/socket.h> 55 #include <sys/ioctl.h> 56 #include <sys/errno.h> 57 #include <sys/syslog.h> 58 #include <sys/select.h> 59 #include <sys/device.h> 60 61 #include <net/if.h> 62 #include <net/if_dl.h> 63 #include <net/if_ether.h> 64 #include <net/if_media.h> 65 66 #ifdef INET 67 #include <netinet/in.h> 68 #include <netinet/in_systm.h> 69 #include <netinet/in_var.h> 70 #include <netinet/ip.h> 71 #include <netinet/if_inarp.h> 72 #endif 73 74 #ifdef NS 75 #include <netns/ns.h> 76 #include <netns/ns_if.h> 77 #endif 78 79 #if NBPFILTER > 0 80 #include <net/bpf.h> 81 #include <net/bpfdesc.h> 82 #endif 83 84 #include <machine/cpu.h> 85 #include <machine/bus.h> 86 #include <machine/intr.h> 87 88 #include <dev/ic/am79c930reg.h> 89 #include <dev/ic/am79c930var.h> 90 #include <dev/ic/awireg.h> 91 #include <dev/ic/awivar.h> 92 93 #include <dev/pcmcia/pcmciareg.h> 94 #include <dev/pcmcia/pcmciavar.h> 95 #include <dev/pcmcia/pcmciadevs.h> 96 97 int awi_pcmcia_match __P((struct device *, struct cfdata *, void *)); 98 void awi_pcmcia_attach __P((struct device *, struct device *, void *)); 99 int awi_pcmcia_detach __P((struct device *, int)); 100 101 int awi_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 102 int awi_pcmcia_enable __P((struct awi_softc *)); 103 void awi_pcmcia_disable __P((struct awi_softc *)); 104 105 struct awi_pcmcia_softc { 106 struct awi_softc sc_awi; /* real "awi" softc */ 107 108 /* PCMCIA-specific goo */ 109 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 110 struct pcmcia_mem_handle sc_memh; /* PCMCIA mem space info */ 111 int sc_io_window; /* our i/o window */ 112 int sc_mem_window; /* our memory window */ 113 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 114 }; 115 116 int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 117 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 118 119 struct cfattach awi_pcmcia_ca = { 120 sizeof(struct awi_pcmcia_softc), 121 awi_pcmcia_match, awi_pcmcia_attach, 122 awi_pcmcia_detach, awi_activate 123 }; 124 125 #if __NetBSD_Version__ <= 104120000 126 #define PCMCIA_VENDOR_BAY 0x01eb /* Bay Networks */ 127 #define PCMCIA_PRODUCT_BAY_STACK_650 0x804 128 #endif 129 130 /* 131 * XXX following is common to most PCMCIA NIC's and belongs 132 * in common code 133 */ 134 135 struct awi_pcmcia_get_enaddr_args { 136 u_int8_t enaddr[ETHER_ADDR_LEN]; 137 }; 138 int awi_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 139 140 struct awi_pcmcia_product { 141 u_int32_t app_vendor; /* vendor ID */ 142 u_int32_t app_product; /* product ID */ 143 const char *app_cisinfo[4]; /* CIS information */ 144 const char *app_name; /* product name */ 145 } awi_pcmcia_products[] = { 146 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, 147 PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 }, 148 149 #ifdef notyet 150 { PCMCIA_VENDOR_MELCO, PCMCIA_PRODUCT_MELCO_WLI_PCM, 151 PCMCIA_CIS_MELCO_WLI_PCM, PCMCIA_STR_MELCO_WLI_PCM }, 152 153 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, 154 PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 }, 155 #endif 156 157 { 0, 0, 158 { NULL, NULL, NULL, NULL }, NULL }, 159 }; 160 161 struct awi_pcmcia_product * 162 awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); 163 164 struct awi_pcmcia_product * 165 awi_pcmcia_lookup(pa) 166 struct pcmcia_attach_args *pa; 167 { 168 struct awi_pcmcia_product *app; 169 170 for (app = awi_pcmcia_products; app->app_name != NULL; app++) { 171 /* match by vendor/product id */ 172 if (pa->manufacturer != PCMCIA_VENDOR_INVALID && 173 pa->manufacturer == app->app_vendor && 174 pa->product != PCMCIA_PRODUCT_INVALID && 175 pa->product == app->app_product) 176 return (app); 177 178 /* match by CIS information */ 179 if (pa->card->cis1_info[0] != NULL && 180 app->app_cisinfo[0] != NULL && 181 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && 182 pa->card->cis1_info[1] != NULL && 183 app->app_cisinfo[1] != NULL && 184 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) 185 return (app); 186 } 187 188 return (NULL); 189 } 190 191 int 192 awi_pcmcia_enable(sc) 193 struct awi_softc *sc; 194 { 195 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 196 struct pcmcia_function *pf = psc->sc_pf; 197 198 /* establish the interrupt. */ 199 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 200 if (sc->sc_ih == NULL) { 201 printf("%s: couldn't establish interrupt\n", 202 sc->sc_dev.dv_xname); 203 return (1); 204 } 205 return (pcmcia_function_enable(pf)); 206 } 207 208 void 209 awi_pcmcia_disable(sc) 210 struct awi_softc *sc; 211 { 212 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 213 struct pcmcia_function *pf = psc->sc_pf; 214 215 pcmcia_function_disable(pf); 216 pcmcia_intr_disestablish(pf, sc->sc_ih); 217 } 218 219 int 220 awi_pcmcia_match(parent, match, aux) 221 struct device *parent; 222 struct cfdata *match; 223 void *aux; 224 { 225 struct pcmcia_attach_args *pa = aux; 226 227 if (awi_pcmcia_lookup(pa) != NULL) 228 return (1); 229 230 return (0); 231 } 232 233 int 234 awi_pcmcia_find(psc, pa, cfe) 235 struct awi_pcmcia_softc *psc; 236 struct pcmcia_attach_args *pa; 237 struct pcmcia_config_entry *cfe; 238 { 239 struct awi_softc *sc = &psc->sc_awi; 240 int fail = 0; 241 u_int8_t version[AWI_BANNER_LEN]; 242 243 /* 244 * see if we can read the firmware version sanely 245 * through the i/o ports. 246 * if not, try a different CIS string.. 247 */ 248 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 249 cfe->iospace[0].length, cfe->iospace[0].length, 250 &psc->sc_pcioh) != 0) 251 goto fail; 252 253 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 254 &psc->sc_pcioh, &psc->sc_io_window)) 255 goto fail_io_free; 256 257 /* Enable the card. */ 258 pcmcia_function_init(psc->sc_pf, cfe); 259 if (pcmcia_function_enable(psc->sc_pf)) 260 goto fail_io_unmap; 261 262 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 263 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 264 am79c930_chip_init(&sc->sc_chip, 0); 265 266 DELAY(100); 267 268 awi_read_bytes(sc, AWI_BANNER, version, AWI_BANNER_LEN); 269 270 if (memcmp(version, "PCnetMobile:", 12) == 0) 271 return (0); 272 273 fail++; 274 pcmcia_function_disable(psc->sc_pf); 275 276 fail_io_unmap: 277 fail++; 278 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 279 psc->sc_io_window = -1; 280 281 fail_io_free: 282 fail++; 283 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 284 fail: 285 fail++; 286 return (fail); 287 } 288 289 290 291 void 292 awi_pcmcia_attach(parent, self, aux) 293 struct device *parent, *self; 294 void *aux; 295 { 296 struct awi_pcmcia_softc *psc = (void *)self; 297 struct awi_softc *sc = &psc->sc_awi; 298 struct awi_pcmcia_product *app; 299 struct pcmcia_attach_args *pa = aux; 300 struct pcmcia_config_entry *cfe; 301 struct awi_pcmcia_get_enaddr_args pgea; 302 bus_addr_t memoff; 303 int rv; 304 305 psc->sc_mem_window = -1; 306 psc->sc_io_window = -1; 307 #if 0 308 int i, j; 309 310 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 311 cfe != NULL; 312 cfe = cfe->cfe_list.sqe_next, i++) { 313 printf("%d: %d memspaces, %d iospaces\n", 314 i, cfe->num_memspace, cfe->num_iospace); 315 printf("%d: number %d flags %x iftype %d iomask %lx " 316 "irqmask %x maxtwins %x\n", 317 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 318 cfe->irqmask, cfe->maxtwins); 319 for (j = 0; j < cfe->num_memspace; j++) { 320 printf("%d: mem %d: len %lx card %lx host %lx\n", 321 i, j, 322 cfe->memspace[j].length, 323 cfe->memspace[j].cardaddr, 324 cfe->memspace[j].hostaddr); 325 } 326 for (j = 0; j < cfe->num_iospace; j++) { 327 printf("%d: io %d: len %lx start %lx\n", 328 i, j, 329 cfe->iospace[j].length, 330 cfe->iospace[j].start); 331 } 332 } 333 #endif 334 335 app = awi_pcmcia_lookup(pa); 336 if (app == NULL) 337 panic("awi_pcmcia_attach: impossible"); 338 339 psc->sc_pf = pa->pf; 340 341 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 342 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 343 if (cfe->iftype != PCMCIA_IFTYPE_IO) 344 continue; 345 if (cfe->num_iospace < 1) 346 continue; 347 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 348 continue; 349 350 if (awi_pcmcia_find(psc, pa, cfe) == 0) 351 break; 352 } 353 if (cfe == NULL) { 354 printf(": no suitable CIS info found\n"); 355 return; 356 } 357 358 sc->sc_enabled = 1; 359 sc->sc_state = AWI_ST_SELFTEST; 360 printf(": %s\n", app->app_name); 361 362 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &psc->sc_memh) != 0) { 363 printf("%s: unable to allocate memory space; using i/o only\n", 364 sc->sc_dev.dv_xname); 365 } else if (pcmcia_mem_map(psc->sc_pf, 366 PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE, 367 AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) { 368 printf("%s: unable to map memory space; using i/o only\n", 369 sc->sc_dev.dv_xname); 370 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 371 } else { 372 sc->sc_chip.sc_memt = psc->sc_memh.memt; 373 sc->sc_chip.sc_memh = psc->sc_memh.memh; 374 am79c930_chip_init(&sc->sc_chip, 1); 375 } 376 377 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 378 379 sc->sc_enable = awi_pcmcia_enable; 380 sc->sc_disable = awi_pcmcia_disable; 381 382 /* Read station address. */ 383 rv = pcmcia_scan_cis(parent, awi_pcmcia_get_enaddr, &pgea); 384 if (rv == -1) { 385 printf("%s: Couldn't read CIS to get ethernet address\n", 386 sc->sc_dev.dv_xname); 387 return; 388 } else if (rv == 0) { 389 printf("%s: Couldn't get ethernet address from CIS\n", 390 sc->sc_dev.dv_xname); 391 return; 392 } 393 394 #ifdef DIAGNOSTIC 395 if (rv != 1) { 396 printf("%s: pcmcia_scan_cis returns %d\n", sc->sc_dev.dv_xname, 397 rv); 398 panic("awi_pcmcia_attach"); 399 } 400 printf("%s: Ethernet address from CIS: %s\n", 401 sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr)); 402 #endif 403 404 awi_attach(sc, pgea.enaddr); 405 406 sc->sc_state = AWI_ST_OFF; 407 408 sc->sc_enabled = 0; 409 pcmcia_function_disable(psc->sc_pf); 410 } 411 412 413 int 414 awi_pcmcia_detach(self, flags) 415 struct device *self; 416 int flags; 417 { 418 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 419 420 /* Unmap our i/o window. */ 421 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 422 423 /* Free our i/o space. */ 424 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 425 426 if (psc->sc_mem_window != -1) { 427 pcmcia_mem_unmap (psc->sc_pf, psc->sc_mem_window); 428 pcmcia_mem_free (psc->sc_pf, &psc->sc_memh); 429 } 430 431 return awi_detach(&psc->sc_awi); 432 } 433 434 /* 435 * XXX copied verbatim from if_mbe_pcmcia.c. 436 * this function should be in common pcmcia code.. 437 */ 438 439 int 440 awi_pcmcia_get_enaddr(tuple, arg) 441 struct pcmcia_tuple *tuple; 442 void *arg; 443 { 444 struct awi_pcmcia_get_enaddr_args *p = arg; 445 int i; 446 447 if (tuple->code == PCMCIA_CISTPL_FUNCE) { 448 if (tuple->length < 2) /* sub code and ether addr length */ 449 return (0); 450 451 if ((pcmcia_tuple_read_1(tuple, 0) != 452 PCMCIA_TPLFE_TYPE_LAN_NID) || 453 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 454 return (0); 455 456 for (i = 0; i < ETHER_ADDR_LEN; i++) 457 p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2); 458 return (1); 459 } 460 return (0); 461 } 462
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