if_awi_pcmcia.c revision 1.6
1 /* $NetBSD: if_awi_pcmcia.c,v 1.6 2000/02/01 08:52:05 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 return (0); 176 177 if (pa->product == PCMCIA_PRODUCT_BAY_STACK_650) 178 return (1); 179 180 return (0); 181 } 182 183 int 184 awi_pcmcia_find (psc, pa, cfe) 185 struct awi_pcmcia_softc *psc; 186 struct pcmcia_attach_args *pa; 187 struct pcmcia_config_entry *cfe; 188 { 189 struct awi_softc *sc = &psc->sc_awi; 190 int fail = 0; 191 u_int8_t version[AWI_BANNER_LEN]; 192 193 /* 194 * see if we can read the firmware version sanely 195 * through the i/o ports. 196 * if not, try a different CIS string.. 197 */ 198 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 199 cfe->iospace[0].length, 0, &psc->sc_pcioh) != 0) 200 goto fail; 201 202 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 203 &psc->sc_pcioh, &psc->sc_io_window)) 204 goto fail_io_free; 205 206 /* Enable the card. */ 207 pcmcia_function_init(psc->sc_pf, cfe); 208 if (pcmcia_function_enable(psc->sc_pf)) 209 goto fail_io_unmap; 210 211 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 212 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 213 am79c930_chip_init(&sc->sc_chip, 0); 214 215 DELAY(100); 216 217 awi_read_bytes (sc, AWI_BANNER, version, AWI_BANNER_LEN); 218 219 if (memcmp(version, "PCnetMobile:", 12) == 0) 220 return 0; 221 222 fail++; 223 pcmcia_function_disable (psc->sc_pf); 224 225 fail_io_unmap: 226 fail++; 227 pcmcia_io_unmap (psc->sc_pf, psc->sc_io_window); 228 229 fail_io_free: 230 fail++; 231 pcmcia_io_free (psc->sc_pf, &psc->sc_pcioh); 232 fail: 233 fail++; 234 return fail; 235 } 236 237 238 239 void 240 awi_pcmcia_attach(parent, self, aux) 241 struct device *parent, *self; 242 void *aux; 243 { 244 struct awi_pcmcia_softc *psc = (void *) self; 245 struct awi_softc *sc = &psc->sc_awi; 246 struct pcmcia_attach_args *pa = aux; 247 struct pcmcia_config_entry *cfe; 248 struct pcmcia_mem_handle memh; 249 struct awi_pcmcia_get_enaddr_args pgea; 250 bus_addr_t memoff; 251 int memwin, rv; 252 253 #if 0 254 int i, j; 255 256 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 257 cfe != NULL; 258 cfe = cfe->cfe_list.sqe_next, i++) { 259 printf("%d: %d memspaces, %d iospaces\n", 260 i, cfe->num_memspace, cfe->num_iospace); 261 printf("%d: number %d flags %x iftype %d iomask %lx irqmask %x maxtwins %x\n", 262 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 263 cfe->irqmask, cfe->maxtwins); 264 for (j=0; j<cfe->num_memspace; j++) { 265 printf("%d: mem %d: len %lx card %lx host %lx\n", 266 i, j, 267 cfe->memspace[j].length, 268 cfe->memspace[j].cardaddr, 269 cfe->memspace[j].hostaddr); 270 } 271 for (j=0; j<cfe->num_iospace; j++) { 272 printf("%d: io %d: len %lx start %lx\n", 273 i, j, 274 cfe->iospace[j].length, 275 cfe->iospace[j].start); 276 } 277 } 278 #endif 279 280 psc->sc_pf = pa->pf; 281 282 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 283 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 284 if (cfe->iftype != PCMCIA_IFTYPE_IO) 285 continue; 286 if (cfe->num_iospace < 1) 287 continue; 288 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 289 continue; 290 291 if (awi_pcmcia_find(psc, pa, cfe) == 0) 292 break; 293 } 294 if (cfe == NULL) { 295 printf(": no suitable CIS info found\n"); 296 return; 297 } 298 299 sc->sc_enabled = 1; 300 sc->sc_state = AWI_ST_SELFTEST; 301 printf(": BayStack 650 Wireless (802.11)\n"); 302 303 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &memh) != 0) { 304 printf("%s: unable to allocate memory space; using i/o only\n", 305 sc->sc_dev.dv_xname); 306 } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, 307 AM79C930_MEM_BASE, AM79C930_MEM_SIZE, 308 &memh, &memoff, &memwin)) { 309 printf("%s: unable to map memory space; using i/o only\n", 310 sc->sc_dev.dv_xname); 311 pcmcia_mem_free(psc->sc_pf, &memh); 312 } else { 313 sc->sc_chip.sc_memt = memh.memt; 314 sc->sc_chip.sc_memh = memh.memh; 315 am79c930_chip_init(&sc->sc_chip, 1); 316 } 317 318 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 319 320 sc->sc_enable = awi_pcmcia_enable; 321 sc->sc_disable = awi_pcmcia_disable; 322 323 /* Read station address. */ 324 rv = pcmcia_scan_cis(parent, awi_pcmcia_get_enaddr, &pgea); 325 if (rv == -1) { 326 printf("%s: Couldn't read CIS to get ethernet address\n", 327 sc->sc_dev.dv_xname); 328 return; 329 } else if (rv == 0) { 330 printf("%s: Couldn't get ethernet address from CIS\n", 331 sc->sc_dev.dv_xname); 332 return; 333 } 334 335 #ifdef DIAGNOSTIC 336 if (rv != 1) { 337 printf("%s: pcmcia_scan_cis returns %d\n", sc->sc_dev.dv_xname, 338 rv); 339 panic("awi_pcmcia_attach"); 340 } 341 printf("%s: Ethernet address from CIS: %s\n", 342 sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr)); 343 #endif 344 345 awi_attach(sc, pgea.enaddr); 346 347 sc->sc_state = AWI_ST_OFF; 348 349 sc->sc_enabled = 0; 350 pcmcia_function_disable(psc->sc_pf); 351 } 352 353 354 int 355 awi_pcmcia_detach(self, flags) 356 struct device *self; 357 int flags; 358 { 359 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 360 361 /* Unmap our i/o window. */ 362 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 363 364 /* Free our i/o space. */ 365 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 366 367 #ifdef notyet 368 /* 369 * Our softc is about to go away, so drop our reference 370 * to the ifnet. 371 */ 372 if_delref(psc->sc_awi.sc_ethercom.ec_if); 373 return (0); 374 #else 375 return (EBUSY); 376 #endif 377 } 378 379 /* 380 * XXX copied verbatim from if_mbe_pcmcia.c. 381 * this function should be in common pcmcia code.. 382 */ 383 384 int 385 awi_pcmcia_get_enaddr(tuple, arg) 386 struct pcmcia_tuple *tuple; 387 void *arg; 388 { 389 struct awi_pcmcia_get_enaddr_args *p = arg; 390 int i; 391 392 if (tuple->code == PCMCIA_CISTPL_FUNCE) { 393 if (tuple->length < 2) /* sub code and ether addr length */ 394 return (0); 395 396 if ((pcmcia_tuple_read_1(tuple, 0) != 397 PCMCIA_TPLFE_TYPE_LAN_NID) || 398 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 399 return (0); 400 401 for (i = 0; i < ETHER_ADDR_LEN; i++) 402 p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2); 403 return (1); 404 } 405 return (0); 406 } 407
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