if_awi_pcmcia.c revision 1.5
1 /* $NetBSD: if_awi_pcmcia.c,v 1.5 1999/11/06 16:43:54 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 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 int got_enaddr; 134 u_int8_t enaddr[ETHER_ADDR_LEN]; 135 }; 136 int awi_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 137 138 139 int 140 awi_pcmcia_enable(sc) 141 struct awi_softc *sc; 142 { 143 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 144 struct pcmcia_function *pf = psc->sc_pf; 145 146 /* establish the interrupt. */ 147 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 148 if (sc->sc_ih == NULL) { 149 printf("%s: couldn't establish interrupt\n", 150 sc->sc_dev.dv_xname); 151 return (1); 152 } 153 return (pcmcia_function_enable(pf)); 154 } 155 156 void 157 awi_pcmcia_disable(sc) 158 struct awi_softc *sc; 159 { 160 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 161 struct pcmcia_function *pf = psc->sc_pf; 162 163 pcmcia_function_disable (pf); 164 pcmcia_intr_disestablish (pf, sc->sc_ih); 165 } 166 167 int 168 awi_pcmcia_match(parent, match, aux) 169 struct device *parent; 170 struct cfdata *match; 171 void *aux; 172 { 173 struct pcmcia_attach_args *pa = aux; 174 175 if (pa->manufacturer != PCMCIA_VENDOR_BAY) 176 return (0); 177 178 if (pa->product == PCMCIA_PRODUCT_BAY_STACK_650) 179 return (1); 180 181 return (0); 182 } 183 184 int 185 awi_pcmcia_find (psc, pa, cfe) 186 struct awi_pcmcia_softc *psc; 187 struct pcmcia_attach_args *pa; 188 struct pcmcia_config_entry *cfe; 189 { 190 struct awi_softc *sc = &psc->sc_awi; 191 int fail = 0; 192 u_int8_t version[AWI_BANNER_LEN]; 193 194 /* 195 * see if we can read the firmware version sanely 196 * through the i/o ports. 197 * if not, try a different CIS string.. 198 */ 199 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 200 cfe->iospace[0].length, 0, &psc->sc_pcioh) != 0) 201 goto fail; 202 203 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 204 &psc->sc_pcioh, &psc->sc_io_window)) 205 goto fail_io_free; 206 207 /* Enable the card. */ 208 pcmcia_function_init(psc->sc_pf, cfe); 209 if (pcmcia_function_enable(psc->sc_pf)) 210 goto fail_io_unmap; 211 212 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 213 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 214 am79c930_chip_init(&sc->sc_chip, 0); 215 216 DELAY(100); 217 218 awi_read_bytes (sc, AWI_BANNER, version, AWI_BANNER_LEN); 219 220 if (memcmp(version, "PCnetMobile:", 12) == 0) 221 return 0; 222 223 fail++; 224 pcmcia_function_disable (psc->sc_pf); 225 226 fail_io_unmap: 227 fail++; 228 pcmcia_io_unmap (psc->sc_pf, psc->sc_io_window); 229 230 fail_io_free: 231 fail++; 232 pcmcia_io_free (psc->sc_pf, &psc->sc_pcioh); 233 fail: 234 fail++; 235 return fail; 236 } 237 238 239 240 void 241 awi_pcmcia_attach(parent, self, aux) 242 struct device *parent, *self; 243 void *aux; 244 { 245 struct awi_pcmcia_softc *psc = (void *) self; 246 struct awi_softc *sc = &psc->sc_awi; 247 struct pcmcia_attach_args *pa = aux; 248 struct pcmcia_config_entry *cfe; 249 struct pcmcia_mem_handle memh; 250 struct awi_pcmcia_get_enaddr_args pgea; 251 bus_addr_t memoff; 252 int memwin; 253 254 #if 0 255 int i, j; 256 257 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 258 cfe != NULL; 259 cfe = cfe->cfe_list.sqe_next, i++) { 260 printf("%d: %d memspaces, %d iospaces\n", 261 i, cfe->num_memspace, cfe->num_iospace); 262 printf("%d: number %d flags %x iftype %d iomask %lx irqmask %x maxtwins %x\n", 263 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 264 cfe->irqmask, cfe->maxtwins); 265 for (j=0; j<cfe->num_memspace; j++) { 266 printf("%d: mem %d: len %lx card %lx host %lx\n", 267 i, j, 268 cfe->memspace[j].length, 269 cfe->memspace[j].cardaddr, 270 cfe->memspace[j].hostaddr); 271 } 272 for (j=0; j<cfe->num_iospace; j++) { 273 printf("%d: io %d: len %lx start %lx\n", 274 i, j, 275 cfe->iospace[j].length, 276 cfe->iospace[j].start); 277 } 278 } 279 #endif 280 281 psc->sc_pf = pa->pf; 282 283 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 284 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 285 if (cfe->iftype != PCMCIA_IFTYPE_IO) 286 continue; 287 if (cfe->num_iospace < 1) 288 continue; 289 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 290 continue; 291 292 if (awi_pcmcia_find(psc, pa, cfe) == 0) 293 break; 294 } 295 if (cfe == NULL) { 296 printf(": no suitable CIS info found\n"); 297 return; 298 } 299 300 sc->sc_enabled = 1; 301 sc->sc_state = AWI_ST_SELFTEST; 302 printf(": BayStack 650 Wireless (802.11)\n"); 303 304 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &memh) != 0) { 305 printf("%s: unable to allocate memory space; using i/o only\n", 306 sc->sc_dev.dv_xname); 307 } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, 308 AM79C930_MEM_BASE, AM79C930_MEM_SIZE, 309 &memh, &memoff, &memwin)) { 310 printf("%s: unable to map memory space; using i/o only\n", 311 sc->sc_dev.dv_xname); 312 pcmcia_mem_free(psc->sc_pf, &memh); 313 } else { 314 sc->sc_chip.sc_memt = memh.memt; 315 sc->sc_chip.sc_memh = memh.memh; 316 am79c930_chip_init(&sc->sc_chip, 1); 317 } 318 319 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 320 321 sc->sc_enable = awi_pcmcia_enable; 322 sc->sc_disable = awi_pcmcia_disable; 323 324 /* Read station address. */ 325 pgea.got_enaddr = 0; 326 if (pcmcia_scan_cis(parent, awi_pcmcia_get_enaddr, &pgea) == -1) { 327 printf("%s: Couldn't read CIS to get ethernet address\n", 328 sc->sc_dev.dv_xname); 329 return; 330 } else if (!pgea.got_enaddr) { 331 printf("%s: Couldn't get ethernet address from CIS\n", 332 sc->sc_dev.dv_xname); 333 return; 334 } else 335 #ifdef DIAGNOSTIC 336 printf("%s: Ethernet address from CIS: %s\n", 337 sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr)) 338 #endif 339 ; 340 341 awi_attach(sc, pgea.enaddr); 342 343 sc->sc_state = AWI_ST_OFF; 344 345 sc->sc_enabled = 0; 346 pcmcia_function_disable(psc->sc_pf); 347 } 348 349 350 int 351 awi_pcmcia_detach(self, flags) 352 struct device *self; 353 int flags; 354 { 355 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 356 357 /* Unmap our i/o window. */ 358 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 359 360 /* Free our i/o space. */ 361 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 362 363 #ifdef notyet 364 /* 365 * Our softc is about to go away, so drop our reference 366 * to the ifnet. 367 */ 368 if_delref(psc->sc_awi.sc_ethercom.ec_if); 369 return (0); 370 #else 371 return (EBUSY); 372 #endif 373 } 374 375 /* 376 * XXX copied verbatim from if_mbe_pcmcia.c. 377 * this function should be in common pcmcia code.. 378 */ 379 380 int 381 awi_pcmcia_get_enaddr(tuple, arg) 382 struct pcmcia_tuple *tuple; 383 void *arg; 384 { 385 struct awi_pcmcia_get_enaddr_args *p = arg; 386 int i; 387 388 if (tuple->code == PCMCIA_CISTPL_FUNCE) { 389 if (tuple->length < 2) /* sub code and ether addr length */ 390 return (0); 391 392 if ((pcmcia_tuple_read_1(tuple, 0) != 393 PCMCIA_TPLFE_TYPE_LAN_NID) || 394 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 395 return (0); 396 397 for (i = 0; i < ETHER_ADDR_LEN; i++) 398 p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2); 399 p->got_enaddr = 1; 400 return (1); 401 } 402 return (0); 403 } 404
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