if_awi_pcmcia.c revision 1.13
1 /* $NetBSD: if_awi_pcmcia.c,v 1.13 2000/03/22 11:22:20 onoe 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 #include <net/if_ieee80211.h> 66 67 #ifdef INET 68 #include <netinet/in.h> 69 #include <netinet/in_systm.h> 70 #include <netinet/in_var.h> 71 #include <netinet/ip.h> 72 #include <netinet/if_inarp.h> 73 #endif 74 75 #ifdef NS 76 #include <netns/ns.h> 77 #include <netns/ns_if.h> 78 #endif 79 80 #if NBPFILTER > 0 81 #include <net/bpf.h> 82 #include <net/bpfdesc.h> 83 #endif 84 85 #include <machine/cpu.h> 86 #include <machine/bus.h> 87 #include <machine/intr.h> 88 89 #include <dev/ic/am79c930reg.h> 90 #include <dev/ic/am79c930var.h> 91 #include <dev/ic/awireg.h> 92 #include <dev/ic/awivar.h> 93 94 #include <dev/pcmcia/pcmciareg.h> 95 #include <dev/pcmcia/pcmciavar.h> 96 #include <dev/pcmcia/pcmciadevs.h> 97 98 static int awi_pcmcia_match __P((struct device *, struct cfdata *, void *)); 99 static void awi_pcmcia_attach __P((struct device *, struct device *, void *)); 100 static int awi_pcmcia_detach __P((struct device *, int)); 101 static int awi_pcmcia_enable __P((struct awi_softc *)); 102 static void awi_pcmcia_disable __P((struct awi_softc *)); 103 static void awi_pcmcia_powerhook __P((int, void *)); 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 memory 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 void *sc_powerhook; /* power hook descriptor */ 115 }; 116 117 static int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 118 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 119 120 struct cfattach awi_pcmcia_ca = { 121 sizeof(struct awi_pcmcia_softc), 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 static struct awi_pcmcia_product { 131 u_int32_t app_vendor; /* vendor ID */ 132 u_int32_t app_product; /* product ID */ 133 const char *app_cisinfo[4]; /* CIS information */ 134 const char *app_name; /* product name */ 135 } awi_pcmcia_products[] = { 136 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, 137 PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 }, 138 139 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, 140 PCMCIA_CIS_BAY_STACK_660, PCMCIA_STR_BAY_STACK_660 }, 141 142 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, 143 PCMCIA_CIS_BAY_SURFER_PRO, PCMCIA_STR_BAY_SURFER_PRO }, 144 145 { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, 146 PCMCIA_CIS_AMD_AM79C930, PCMCIA_STR_AMD_AM79C930 }, 147 148 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, 149 PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 }, 150 151 { 0, 0, 152 { NULL, NULL, NULL, NULL }, NULL }, 153 }; 154 155 static struct awi_pcmcia_product * 156 awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); 157 158 static struct awi_pcmcia_product * 159 awi_pcmcia_lookup(pa) 160 struct pcmcia_attach_args *pa; 161 { 162 struct awi_pcmcia_product *app; 163 164 for (app = awi_pcmcia_products; app->app_name != NULL; app++) { 165 /* match by vendor/product id */ 166 if (pa->manufacturer != PCMCIA_VENDOR_INVALID && 167 pa->manufacturer == app->app_vendor && 168 pa->product != PCMCIA_PRODUCT_INVALID && 169 pa->product == app->app_product) 170 return (app); 171 172 /* match by CIS information */ 173 if (pa->card->cis1_info[0] != NULL && 174 app->app_cisinfo[0] != NULL && 175 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && 176 pa->card->cis1_info[1] != NULL && 177 app->app_cisinfo[1] != NULL && 178 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) 179 return (app); 180 } 181 182 return (NULL); 183 } 184 185 static int 186 awi_pcmcia_enable(sc) 187 struct awi_softc *sc; 188 { 189 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 190 struct pcmcia_function *pf = psc->sc_pf; 191 192 /* establish the interrupt. */ 193 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 194 if (sc->sc_ih == NULL) { 195 printf("%s: couldn't establish interrupt\n", 196 sc->sc_dev.dv_xname); 197 return (1); 198 } 199 200 if (pcmcia_function_enable(pf)) { 201 pcmcia_intr_disestablish(pf, sc->sc_ih); 202 return (1); 203 } 204 DELAY(1000); 205 206 return (0); 207 } 208 209 static void 210 awi_pcmcia_disable(sc) 211 struct awi_softc *sc; 212 { 213 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 214 struct pcmcia_function *pf = psc->sc_pf; 215 216 pcmcia_function_disable(pf); 217 pcmcia_intr_disestablish(pf, sc->sc_ih); 218 } 219 220 static int 221 awi_pcmcia_match(parent, match, aux) 222 struct device *parent; 223 struct cfdata *match; 224 void *aux; 225 { 226 struct pcmcia_attach_args *pa = aux; 227 228 if (awi_pcmcia_lookup(pa) != NULL) 229 return (1); 230 231 return (0); 232 } 233 234 static int 235 awi_pcmcia_find(psc, pa, cfe) 236 struct awi_pcmcia_softc *psc; 237 struct pcmcia_attach_args *pa; 238 struct pcmcia_config_entry *cfe; 239 { 240 struct awi_softc *sc = &psc->sc_awi; 241 int fail = 0; 242 u_int8_t version[AWI_BANNER_LEN]; 243 244 /* 245 * see if we can read the firmware version sanely 246 * through the i/o ports. 247 * if not, try a different CIS string.. 248 */ 249 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 250 cfe->iospace[0].length, AM79C930_IO_ALIGN, 251 &psc->sc_pcioh) != 0) 252 goto fail; 253 254 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 255 &psc->sc_pcioh, &psc->sc_io_window)) 256 goto fail_io_free; 257 258 /* Enable the card. */ 259 pcmcia_function_init(psc->sc_pf, cfe); 260 if (pcmcia_function_enable(psc->sc_pf)) 261 goto fail_io_unmap; 262 263 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 264 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 265 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 266 am79c930_chip_init(&sc->sc_chip, 0); 267 268 DELAY(1000); 269 270 awi_read_bytes(sc, AWI_BANNER, version, AWI_BANNER_LEN); 271 272 if (memcmp(version, "PCnetMobile:", 12) == 0) 273 return (0); 274 275 fail++; 276 pcmcia_function_disable(psc->sc_pf); 277 278 fail_io_unmap: 279 fail++; 280 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 281 282 fail_io_free: 283 fail++; 284 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 285 fail: 286 fail++; 287 psc->sc_io_window = -1; 288 return (fail); 289 } 290 291 static 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 bus_addr_t memoff; 302 303 app = awi_pcmcia_lookup(pa); 304 if (app == NULL) 305 panic("awi_pcmcia_attach: impossible"); 306 307 psc->sc_pf = pa->pf; 308 309 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 310 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 311 if (cfe->iftype != PCMCIA_IFTYPE_IO) 312 continue; 313 if (cfe->num_iospace < 1) 314 continue; 315 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 316 continue; 317 318 if (awi_pcmcia_find(psc, pa, cfe) == 0) 319 break; 320 } 321 if (cfe == NULL) { 322 printf(": no suitable CIS info found\n"); 323 goto no_config_entry; 324 } 325 326 sc->sc_enabled = 1; 327 printf(": %s\n", app->app_name); 328 329 psc->sc_mem_window = -1; 330 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, 331 &psc->sc_memh) != 0) { 332 printf("%s: unable to allocate memory space; using i/o only\n", 333 sc->sc_dev.dv_xname); 334 } else if (pcmcia_mem_map(psc->sc_pf, 335 PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE, 336 AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) { 337 printf("%s: unable to map memory space; using i/o only\n", 338 sc->sc_dev.dv_xname); 339 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 340 } else { 341 sc->sc_chip.sc_memt = psc->sc_memh.memt; 342 sc->sc_chip.sc_memh = psc->sc_memh.memh; 343 am79c930_chip_init(&sc->sc_chip, 1); 344 } 345 346 sc->sc_enable = awi_pcmcia_enable; 347 sc->sc_disable = awi_pcmcia_disable; 348 349 /* establish the interrupt. */ 350 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, awi_intr, sc); 351 if (sc->sc_ih == NULL) { 352 printf("%s: couldn't establish interrupt\n", 353 sc->sc_dev.dv_xname); 354 goto no_interrupt; 355 } 356 sc->sc_ifp = &sc->sc_ec.ec_if; 357 sc->sc_cansleep = 1; 358 359 if (awi_attach(sc) != 0) { 360 printf("%s: failed to attach controller\n", 361 sc->sc_dev.dv_xname); 362 goto attach_failed; 363 } 364 psc->sc_powerhook = powerhook_establish(awi_pcmcia_powerhook, psc); 365 366 sc->sc_enabled = 0; 367 /* disable device and disestablish the interrupt */ 368 awi_pcmcia_disable(sc); 369 return; 370 371 attach_failed: 372 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 373 374 no_interrupt: 375 /* Unmap our memory window and space */ 376 if (psc->sc_mem_window != -1) { 377 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 378 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 379 } 380 381 /* Unmap our i/o window and space */ 382 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 383 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 384 385 /* Disable the function */ 386 pcmcia_function_disable(psc->sc_pf); 387 388 no_config_entry: 389 psc->sc_io_window = -1; 390 } 391 392 393 static int 394 awi_pcmcia_detach(self, flags) 395 struct device *self; 396 int flags; 397 { 398 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 399 int error; 400 401 if (psc->sc_io_window == -1) 402 /* Nothing to detach. */ 403 return (0); 404 405 if (psc->sc_powerhook != NULL) 406 powerhook_disestablish(psc->sc_powerhook); 407 408 error = awi_detach(&psc->sc_awi); 409 if (error != 0) 410 return (error); 411 412 /* Unmap our memory window and free memory space */ 413 if (psc->sc_mem_window != -1) { 414 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 415 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 416 } 417 418 /* Unmap our i/o window. */ 419 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 420 421 /* Free our i/o space. */ 422 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 423 return (0); 424 } 425 426 static void 427 awi_pcmcia_powerhook(why, arg) 428 int why; 429 void *arg; 430 { 431 struct awi_pcmcia_softc *psc = arg; 432 struct awi_softc *sc = &psc->sc_awi; 433 int ocansleep; 434 435 if (why == PWR_RESUME) { 436 ocansleep = sc->sc_cansleep; 437 sc->sc_cansleep = 0; 438 awi_reset(sc); 439 sc->sc_cansleep = ocansleep; 440 } 441 } 442
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