if_awi_pcmcia.c revision 1.14
1 /* $NetBSD: if_awi_pcmcia.c,v 1.14 2000/03/22 22:33:47 mycroft 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 { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, 152 PCMCIA_CIS_NOKIA_C020_WLAN, PCMCIA_STR_NOKIA_C020_WLAN }, 153 154 { 0, 0, 155 { NULL, NULL, NULL, NULL }, NULL }, 156 }; 157 158 static struct awi_pcmcia_product * 159 awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); 160 161 static struct awi_pcmcia_product * 162 awi_pcmcia_lookup(pa) 163 struct pcmcia_attach_args *pa; 164 { 165 struct awi_pcmcia_product *app; 166 167 for (app = awi_pcmcia_products; app->app_name != NULL; app++) { 168 /* match by vendor/product id */ 169 if (pa->manufacturer != PCMCIA_VENDOR_INVALID && 170 pa->manufacturer == app->app_vendor && 171 pa->product != PCMCIA_PRODUCT_INVALID && 172 pa->product == app->app_product) 173 return (app); 174 175 /* match by CIS information */ 176 if (pa->card->cis1_info[0] != NULL && 177 app->app_cisinfo[0] != NULL && 178 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && 179 pa->card->cis1_info[1] != NULL && 180 app->app_cisinfo[1] != NULL && 181 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) 182 return (app); 183 } 184 185 return (NULL); 186 } 187 188 static int 189 awi_pcmcia_enable(sc) 190 struct awi_softc *sc; 191 { 192 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 193 struct pcmcia_function *pf = psc->sc_pf; 194 195 /* establish the interrupt. */ 196 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 197 if (sc->sc_ih == NULL) { 198 printf("%s: couldn't establish interrupt\n", 199 sc->sc_dev.dv_xname); 200 return (1); 201 } 202 203 if (pcmcia_function_enable(pf)) { 204 pcmcia_intr_disestablish(pf, sc->sc_ih); 205 return (1); 206 } 207 DELAY(1000); 208 209 return (0); 210 } 211 212 static void 213 awi_pcmcia_disable(sc) 214 struct awi_softc *sc; 215 { 216 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 217 struct pcmcia_function *pf = psc->sc_pf; 218 219 pcmcia_function_disable(pf); 220 pcmcia_intr_disestablish(pf, sc->sc_ih); 221 } 222 223 static int 224 awi_pcmcia_match(parent, match, aux) 225 struct device *parent; 226 struct cfdata *match; 227 void *aux; 228 { 229 struct pcmcia_attach_args *pa = aux; 230 231 if (awi_pcmcia_lookup(pa) != NULL) 232 return (1); 233 234 return (0); 235 } 236 237 static int 238 awi_pcmcia_find(psc, pa, cfe) 239 struct awi_pcmcia_softc *psc; 240 struct pcmcia_attach_args *pa; 241 struct pcmcia_config_entry *cfe; 242 { 243 struct awi_softc *sc = &psc->sc_awi; 244 int fail = 0; 245 u_int8_t version[AWI_BANNER_LEN]; 246 247 /* 248 * see if we can read the firmware version sanely 249 * through the i/o ports. 250 * if not, try a different CIS string.. 251 */ 252 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 253 cfe->iospace[0].length, AM79C930_IO_ALIGN, 254 &psc->sc_pcioh) != 0) 255 goto fail; 256 257 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 258 &psc->sc_pcioh, &psc->sc_io_window)) 259 goto fail_io_free; 260 261 /* Enable the card. */ 262 pcmcia_function_init(psc->sc_pf, cfe); 263 if (pcmcia_function_enable(psc->sc_pf)) 264 goto fail_io_unmap; 265 266 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 267 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 268 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 269 am79c930_chip_init(&sc->sc_chip, 0); 270 271 DELAY(1000); 272 273 awi_read_bytes(sc, AWI_BANNER, version, AWI_BANNER_LEN); 274 275 if (memcmp(version, "PCnetMobile:", 12) == 0) 276 return (0); 277 278 fail++; 279 pcmcia_function_disable(psc->sc_pf); 280 281 fail_io_unmap: 282 fail++; 283 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 284 285 fail_io_free: 286 fail++; 287 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 288 fail: 289 fail++; 290 psc->sc_io_window = -1; 291 return (fail); 292 } 293 294 static void 295 awi_pcmcia_attach(parent, self, aux) 296 struct device *parent, *self; 297 void *aux; 298 { 299 struct awi_pcmcia_softc *psc = (void *)self; 300 struct awi_softc *sc = &psc->sc_awi; 301 struct awi_pcmcia_product *app; 302 struct pcmcia_attach_args *pa = aux; 303 struct pcmcia_config_entry *cfe; 304 bus_addr_t memoff; 305 306 app = awi_pcmcia_lookup(pa); 307 if (app == NULL) 308 panic("awi_pcmcia_attach: impossible"); 309 310 psc->sc_pf = pa->pf; 311 312 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 313 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 314 if (cfe->iftype != PCMCIA_IFTYPE_IO) 315 continue; 316 if (cfe->num_iospace < 1) 317 continue; 318 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 319 continue; 320 321 if (awi_pcmcia_find(psc, pa, cfe) == 0) 322 break; 323 } 324 if (cfe == NULL) { 325 printf(": no suitable CIS info found\n"); 326 goto no_config_entry; 327 } 328 329 sc->sc_enabled = 1; 330 printf(": %s\n", app->app_name); 331 332 psc->sc_mem_window = -1; 333 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, 334 &psc->sc_memh) != 0) { 335 printf("%s: unable to allocate memory space; using i/o only\n", 336 sc->sc_dev.dv_xname); 337 } else if (pcmcia_mem_map(psc->sc_pf, 338 PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE, 339 AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) { 340 printf("%s: unable to map memory space; using i/o only\n", 341 sc->sc_dev.dv_xname); 342 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 343 } else { 344 sc->sc_chip.sc_memt = psc->sc_memh.memt; 345 sc->sc_chip.sc_memh = psc->sc_memh.memh; 346 am79c930_chip_init(&sc->sc_chip, 1); 347 } 348 349 sc->sc_enable = awi_pcmcia_enable; 350 sc->sc_disable = awi_pcmcia_disable; 351 352 /* establish the interrupt. */ 353 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, awi_intr, sc); 354 if (sc->sc_ih == NULL) { 355 printf("%s: couldn't establish interrupt\n", 356 sc->sc_dev.dv_xname); 357 goto no_interrupt; 358 } 359 sc->sc_ifp = &sc->sc_ec.ec_if; 360 sc->sc_cansleep = 1; 361 362 if (awi_attach(sc) != 0) { 363 printf("%s: failed to attach controller\n", 364 sc->sc_dev.dv_xname); 365 goto attach_failed; 366 } 367 psc->sc_powerhook = powerhook_establish(awi_pcmcia_powerhook, psc); 368 369 sc->sc_enabled = 0; 370 /* disable device and disestablish the interrupt */ 371 awi_pcmcia_disable(sc); 372 return; 373 374 attach_failed: 375 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 376 377 no_interrupt: 378 /* Unmap our memory window and space */ 379 if (psc->sc_mem_window != -1) { 380 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 381 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 382 } 383 384 /* Unmap our i/o window and space */ 385 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 386 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 387 388 /* Disable the function */ 389 pcmcia_function_disable(psc->sc_pf); 390 391 no_config_entry: 392 psc->sc_io_window = -1; 393 } 394 395 396 static int 397 awi_pcmcia_detach(self, flags) 398 struct device *self; 399 int flags; 400 { 401 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 402 int error; 403 404 if (psc->sc_io_window == -1) 405 /* Nothing to detach. */ 406 return (0); 407 408 if (psc->sc_powerhook != NULL) 409 powerhook_disestablish(psc->sc_powerhook); 410 411 error = awi_detach(&psc->sc_awi); 412 if (error != 0) 413 return (error); 414 415 /* Unmap our memory window and free memory space */ 416 if (psc->sc_mem_window != -1) { 417 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 418 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 419 } 420 421 /* Unmap our i/o window. */ 422 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 423 424 /* Free our i/o space. */ 425 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 426 return (0); 427 } 428 429 static void 430 awi_pcmcia_powerhook(why, arg) 431 int why; 432 void *arg; 433 { 434 struct awi_pcmcia_softc *psc = arg; 435 struct awi_softc *sc = &psc->sc_awi; 436 int ocansleep; 437 438 if (why == PWR_RESUME) { 439 ocansleep = sc->sc_cansleep; 440 sc->sc_cansleep = 0; 441 awi_reset(sc); 442 sc->sc_cansleep = ocansleep; 443 } 444 } 445
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