if_awi_pcmcia.c revision 1.8
1 /* $NetBSD: if_awi_pcmcia.c,v 1.8 2000/02/01 10:00:41 enami 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 int sc_io_window; /* our i/o window */ 111 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 112 }; 113 114 int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 115 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 116 117 struct cfattach awi_pcmcia_ca = { 118 sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, 119 awi_pcmcia_detach, /* awi_activate */ 0 120 }; 121 122 #if __NetBSD_Version__ <= 104120000 123 #define PCMCIA_VENDOR_BAY 0x01eb /* Bay Networks */ 124 #define PCMCIA_PRODUCT_BAY_STACK_650 0x804 125 #endif 126 127 /* 128 * XXX following is common to most PCMCIA NIC's and belongs 129 * in common code 130 */ 131 132 struct awi_pcmcia_get_enaddr_args { 133 u_int8_t enaddr[ETHER_ADDR_LEN]; 134 }; 135 int awi_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 136 137 138 int 139 awi_pcmcia_enable(sc) 140 struct awi_softc *sc; 141 { 142 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 143 struct pcmcia_function *pf = psc->sc_pf; 144 145 /* establish the interrupt. */ 146 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 147 if (sc->sc_ih == NULL) { 148 printf("%s: couldn't establish interrupt\n", 149 sc->sc_dev.dv_xname); 150 return (1); 151 } 152 return (pcmcia_function_enable(pf)); 153 } 154 155 void 156 awi_pcmcia_disable(sc) 157 struct awi_softc *sc; 158 { 159 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 160 struct pcmcia_function *pf = psc->sc_pf; 161 162 pcmcia_function_disable(pf); 163 pcmcia_intr_disestablish(pf, sc->sc_ih); 164 } 165 166 int 167 awi_pcmcia_match(parent, match, aux) 168 struct device *parent; 169 struct cfdata *match; 170 void *aux; 171 { 172 struct pcmcia_attach_args *pa = aux; 173 174 if (pa->manufacturer == PCMCIA_VENDOR_BAY && 175 pa->product == PCMCIA_PRODUCT_BAY_STACK_650) 176 return (1); 177 178 return (0); 179 } 180 181 int 182 awi_pcmcia_find(psc, pa, cfe) 183 struct awi_pcmcia_softc *psc; 184 struct pcmcia_attach_args *pa; 185 struct pcmcia_config_entry *cfe; 186 { 187 struct awi_softc *sc = &psc->sc_awi; 188 int fail = 0; 189 u_int8_t version[AWI_BANNER_LEN]; 190 191 /* 192 * see if we can read the firmware version sanely 193 * through the i/o ports. 194 * if not, try a different CIS string.. 195 */ 196 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 197 cfe->iospace[0].length, 0, &psc->sc_pcioh) != 0) 198 goto fail; 199 200 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 201 &psc->sc_pcioh, &psc->sc_io_window)) 202 goto fail_io_free; 203 204 /* Enable the card. */ 205 pcmcia_function_init(psc->sc_pf, cfe); 206 if (pcmcia_function_enable(psc->sc_pf)) 207 goto fail_io_unmap; 208 209 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 210 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 211 am79c930_chip_init(&sc->sc_chip, 0); 212 213 DELAY(100); 214 215 awi_read_bytes(sc, AWI_BANNER, version, AWI_BANNER_LEN); 216 217 if (memcmp(version, "PCnetMobile:", 12) == 0) 218 return (0); 219 220 fail++; 221 pcmcia_function_disable(psc->sc_pf); 222 223 fail_io_unmap: 224 fail++; 225 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 226 227 fail_io_free: 228 fail++; 229 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 230 fail: 231 fail++; 232 return (fail); 233 } 234 235 236 237 void 238 awi_pcmcia_attach(parent, self, aux) 239 struct device *parent, *self; 240 void *aux; 241 { 242 struct awi_pcmcia_softc *psc = (void *)self; 243 struct awi_softc *sc = &psc->sc_awi; 244 struct pcmcia_attach_args *pa = aux; 245 struct pcmcia_config_entry *cfe; 246 struct pcmcia_mem_handle memh; 247 struct awi_pcmcia_get_enaddr_args pgea; 248 bus_addr_t memoff; 249 int memwin, rv; 250 251 #if 0 252 int i, j; 253 254 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 255 cfe != NULL; 256 cfe = cfe->cfe_list.sqe_next, i++) { 257 printf("%d: %d memspaces, %d iospaces\n", 258 i, cfe->num_memspace, cfe->num_iospace); 259 printf("%d: number %d flags %x iftype %d iomask %lx " 260 "irqmask %x maxtwins %x\n", 261 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 262 cfe->irqmask, cfe->maxtwins); 263 for (j = 0; j < cfe->num_memspace; j++) { 264 printf("%d: mem %d: len %lx card %lx host %lx\n", 265 i, j, 266 cfe->memspace[j].length, 267 cfe->memspace[j].cardaddr, 268 cfe->memspace[j].hostaddr); 269 } 270 for (j = 0; j < cfe->num_iospace; j++) { 271 printf("%d: io %d: len %lx start %lx\n", 272 i, j, 273 cfe->iospace[j].length, 274 cfe->iospace[j].start); 275 } 276 } 277 #endif 278 279 psc->sc_pf = pa->pf; 280 281 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 282 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 283 if (cfe->iftype != PCMCIA_IFTYPE_IO) 284 continue; 285 if (cfe->num_iospace < 1) 286 continue; 287 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 288 continue; 289 290 if (awi_pcmcia_find(psc, pa, cfe) == 0) 291 break; 292 } 293 if (cfe == NULL) { 294 printf(": no suitable CIS info found\n"); 295 return; 296 } 297 298 sc->sc_enabled = 1; 299 sc->sc_state = AWI_ST_SELFTEST; 300 printf(": BayStack 650 Wireless (802.11)\n"); 301 302 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &memh) != 0) { 303 printf("%s: unable to allocate memory space; using i/o only\n", 304 sc->sc_dev.dv_xname); 305 } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, 306 AM79C930_MEM_BASE, AM79C930_MEM_SIZE, 307 &memh, &memoff, &memwin)) { 308 printf("%s: unable to map memory space; using i/o only\n", 309 sc->sc_dev.dv_xname); 310 pcmcia_mem_free(psc->sc_pf, &memh); 311 } else { 312 sc->sc_chip.sc_memt = memh.memt; 313 sc->sc_chip.sc_memh = memh.memh; 314 am79c930_chip_init(&sc->sc_chip, 1); 315 } 316 317 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 318 319 sc->sc_enable = awi_pcmcia_enable; 320 sc->sc_disable = awi_pcmcia_disable; 321 322 /* Read station address. */ 323 rv = pcmcia_scan_cis(parent, awi_pcmcia_get_enaddr, &pgea); 324 if (rv == -1) { 325 printf("%s: Couldn't read CIS to get ethernet address\n", 326 sc->sc_dev.dv_xname); 327 return; 328 } else if (rv == 0) { 329 printf("%s: Couldn't get ethernet address from CIS\n", 330 sc->sc_dev.dv_xname); 331 return; 332 } 333 334 #ifdef DIAGNOSTIC 335 if (rv != 1) { 336 printf("%s: pcmcia_scan_cis returns %d\n", sc->sc_dev.dv_xname, 337 rv); 338 panic("awi_pcmcia_attach"); 339 } 340 printf("%s: Ethernet address from CIS: %s\n", 341 sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr)); 342 #endif 343 344 awi_attach(sc, pgea.enaddr); 345 346 sc->sc_state = AWI_ST_OFF; 347 348 sc->sc_enabled = 0; 349 pcmcia_function_disable(psc->sc_pf); 350 } 351 352 353 int 354 awi_pcmcia_detach(self, flags) 355 struct device *self; 356 int flags; 357 { 358 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 359 360 /* Unmap our i/o window. */ 361 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 362 363 /* Free our i/o space. */ 364 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 365 366 #ifdef notyet 367 /* 368 * Our softc is about to go away, so drop our reference 369 * to the ifnet. 370 */ 371 if_delref(psc->sc_awi.sc_ethercom.ec_if); 372 return (0); 373 #else 374 return (EBUSY); 375 #endif 376 } 377 378 /* 379 * XXX copied verbatim from if_mbe_pcmcia.c. 380 * this function should be in common pcmcia code.. 381 */ 382 383 int 384 awi_pcmcia_get_enaddr(tuple, arg) 385 struct pcmcia_tuple *tuple; 386 void *arg; 387 { 388 struct awi_pcmcia_get_enaddr_args *p = arg; 389 int i; 390 391 if (tuple->code == PCMCIA_CISTPL_FUNCE) { 392 if (tuple->length < 2) /* sub code and ether addr length */ 393 return (0); 394 395 if ((pcmcia_tuple_read_1(tuple, 0) != 396 PCMCIA_TPLFE_TYPE_LAN_NID) || 397 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 398 return (0); 399 400 for (i = 0; i < ETHER_ADDR_LEN; i++) 401 p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2); 402 return (1); 403 } 404 return (0); 405 } 406
Indexes created Fri Sep 26 08:10:20 GMT 2025