if_awi_pcmcia.c revision 1.15
1 /* $NetBSD: if_awi_pcmcia.c,v 1.15 2000/06/09 05:31:19 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_awi.h" 48 #include "opt_inet.h" 49 #include "opt_ns.h" 50 #include "bpfilter.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/mbuf.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/syslog.h> 59 #include <sys/select.h> 60 #include <sys/device.h> 61 62 #include <net/if.h> 63 #include <net/if_dl.h> 64 #include <net/if_ether.h> 65 #include <net/if_media.h> 66 #include <net/if_ieee80211.h> 67 68 #ifdef INET 69 #include <netinet/in.h> 70 #include <netinet/in_systm.h> 71 #include <netinet/in_var.h> 72 #include <netinet/ip.h> 73 #include <netinet/if_inarp.h> 74 #endif 75 76 #ifdef NS 77 #include <netns/ns.h> 78 #include <netns/ns_if.h> 79 #endif 80 81 #if NBPFILTER > 0 82 #include <net/bpf.h> 83 #include <net/bpfdesc.h> 84 #endif 85 86 #include <machine/cpu.h> 87 #include <machine/bus.h> 88 #include <machine/intr.h> 89 90 #include <dev/ic/am79c930reg.h> 91 #include <dev/ic/am79c930var.h> 92 #include <dev/ic/awireg.h> 93 #include <dev/ic/awivar.h> 94 95 #include <dev/pcmcia/pcmciareg.h> 96 #include <dev/pcmcia/pcmciavar.h> 97 #include <dev/pcmcia/pcmciadevs.h> 98 99 static int awi_pcmcia_match __P((struct device *, struct cfdata *, void *)); 100 static void awi_pcmcia_attach __P((struct device *, struct device *, void *)); 101 static int awi_pcmcia_detach __P((struct device *, int)); 102 static int awi_pcmcia_enable __P((struct awi_softc *)); 103 static void awi_pcmcia_disable __P((struct awi_softc *)); 104 static void awi_pcmcia_powerhook __P((int, void *)); 105 106 struct awi_pcmcia_softc { 107 struct awi_softc sc_awi; /* real "awi" softc */ 108 109 /* PCMCIA-specific goo */ 110 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 111 struct pcmcia_mem_handle sc_memh; /* PCMCIA memory space info */ 112 int sc_io_window; /* our i/o window */ 113 int sc_mem_window; /* our memory window */ 114 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 115 void *sc_powerhook; /* power hook descriptor */ 116 }; 117 118 static int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 119 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 120 121 struct cfattach awi_pcmcia_ca = { 122 sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, 123 awi_pcmcia_detach, awi_activate 124 }; 125 126 static struct awi_pcmcia_product { 127 u_int32_t app_vendor; /* vendor ID */ 128 u_int32_t app_product; /* product ID */ 129 const char *app_cisinfo[4]; /* CIS information */ 130 const char *app_name; /* product name */ 131 } awi_pcmcia_products[] = { 132 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, 133 PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 }, 134 135 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, 136 PCMCIA_CIS_BAY_STACK_660, PCMCIA_STR_BAY_STACK_660 }, 137 138 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, 139 PCMCIA_CIS_BAY_SURFER_PRO, PCMCIA_STR_BAY_SURFER_PRO }, 140 141 { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, 142 PCMCIA_CIS_AMD_AM79C930, PCMCIA_STR_AMD_AM79C930 }, 143 144 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, 145 PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 }, 146 147 { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, 148 PCMCIA_CIS_NOKIA_C020_WLAN, PCMCIA_STR_NOKIA_C020_WLAN }, 149 150 { 0, 0, 151 { NULL, NULL, NULL, NULL }, NULL }, 152 }; 153 154 static struct awi_pcmcia_product * 155 awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); 156 157 static struct awi_pcmcia_product * 158 awi_pcmcia_lookup(pa) 159 struct pcmcia_attach_args *pa; 160 { 161 struct awi_pcmcia_product *app; 162 163 for (app = awi_pcmcia_products; app->app_name != NULL; app++) { 164 /* match by vendor/product id */ 165 if (pa->manufacturer != PCMCIA_VENDOR_INVALID && 166 pa->manufacturer == app->app_vendor && 167 pa->product != PCMCIA_PRODUCT_INVALID && 168 pa->product == app->app_product) 169 return (app); 170 171 /* match by CIS information */ 172 if (pa->card->cis1_info[0] != NULL && 173 app->app_cisinfo[0] != NULL && 174 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && 175 pa->card->cis1_info[1] != NULL && 176 app->app_cisinfo[1] != NULL && 177 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) 178 return (app); 179 } 180 181 return (NULL); 182 } 183 184 static int 185 awi_pcmcia_enable(sc) 186 struct awi_softc *sc; 187 { 188 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 189 struct pcmcia_function *pf = psc->sc_pf; 190 191 /* establish the interrupt. */ 192 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 193 if (sc->sc_ih == NULL) { 194 printf("%s: couldn't establish interrupt\n", 195 sc->sc_dev.dv_xname); 196 return (1); 197 } 198 199 if (pcmcia_function_enable(pf)) { 200 pcmcia_intr_disestablish(pf, sc->sc_ih); 201 return (1); 202 } 203 DELAY(1000); 204 205 return (0); 206 } 207 208 static void 209 awi_pcmcia_disable(sc) 210 struct awi_softc *sc; 211 { 212 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 213 struct pcmcia_function *pf = psc->sc_pf; 214 215 pcmcia_function_disable(pf); 216 pcmcia_intr_disestablish(pf, sc->sc_ih); 217 } 218 219 static int 220 awi_pcmcia_match(parent, match, aux) 221 struct device *parent; 222 struct cfdata *match; 223 void *aux; 224 { 225 struct pcmcia_attach_args *pa = aux; 226 227 if (awi_pcmcia_lookup(pa) != NULL) 228 return (1); 229 230 return (0); 231 } 232 233 static int 234 awi_pcmcia_find(psc, pa, cfe) 235 struct awi_pcmcia_softc *psc; 236 struct pcmcia_attach_args *pa; 237 struct pcmcia_config_entry *cfe; 238 { 239 struct awi_softc *sc = &psc->sc_awi; 240 int fail = 0; 241 242 /* 243 * see if we can read the firmware version sanely 244 * through the i/o ports. 245 * if not, try a different CIS string.. 246 */ 247 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 248 cfe->iospace[0].length, AM79C930_IO_ALIGN, 249 &psc->sc_pcioh) != 0) 250 goto fail; 251 252 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 253 &psc->sc_pcioh, &psc->sc_io_window)) 254 goto fail_io_free; 255 256 /* Enable the card. */ 257 pcmcia_function_init(psc->sc_pf, cfe); 258 if (pcmcia_function_enable(psc->sc_pf)) 259 goto fail_io_unmap; 260 261 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 262 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 263 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 264 am79c930_chip_init(&sc->sc_chip, 0); 265 266 DELAY(1000); 267 268 awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); 269 270 if (memcmp(sc->sc_banner, "PCnetMobile:", 12) == 0) 271 return (0); 272 273 fail++; 274 pcmcia_function_disable(psc->sc_pf); 275 276 fail_io_unmap: 277 fail++; 278 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 279 280 fail_io_free: 281 fail++; 282 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 283 fail: 284 fail++; 285 psc->sc_io_window = -1; 286 return (fail); 287 } 288 289 static void 290 awi_pcmcia_attach(parent, self, aux) 291 struct device *parent, *self; 292 void *aux; 293 { 294 struct awi_pcmcia_softc *psc = (void *)self; 295 struct awi_softc *sc = &psc->sc_awi; 296 struct awi_pcmcia_product *app; 297 struct pcmcia_attach_args *pa = aux; 298 struct pcmcia_config_entry *cfe; 299 bus_addr_t memoff; 300 301 app = awi_pcmcia_lookup(pa); 302 if (app == NULL) 303 panic("awi_pcmcia_attach: impossible"); 304 305 psc->sc_pf = pa->pf; 306 307 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 308 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 309 if (cfe->iftype != PCMCIA_IFTYPE_IO) 310 continue; 311 if (cfe->num_iospace < 1) 312 continue; 313 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 314 continue; 315 316 if (awi_pcmcia_find(psc, pa, cfe) == 0) 317 break; 318 } 319 if (cfe == NULL) { 320 printf(": no suitable CIS info found\n"); 321 goto no_config_entry; 322 } 323 324 sc->sc_enabled = 1; 325 printf(": %s\n", app->app_name); 326 327 psc->sc_mem_window = -1; 328 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, 329 &psc->sc_memh) != 0) { 330 printf("%s: unable to allocate memory space; using i/o only\n", 331 sc->sc_dev.dv_xname); 332 } else if (pcmcia_mem_map(psc->sc_pf, 333 PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE, 334 AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) { 335 printf("%s: unable to map memory space; using i/o only\n", 336 sc->sc_dev.dv_xname); 337 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 338 } else { 339 sc->sc_chip.sc_memt = psc->sc_memh.memt; 340 sc->sc_chip.sc_memh = psc->sc_memh.memh; 341 am79c930_chip_init(&sc->sc_chip, 1); 342 } 343 344 sc->sc_enable = awi_pcmcia_enable; 345 sc->sc_disable = awi_pcmcia_disable; 346 347 /* establish the interrupt. */ 348 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, awi_intr, sc); 349 if (sc->sc_ih == NULL) { 350 printf("%s: couldn't establish interrupt\n", 351 sc->sc_dev.dv_xname); 352 goto no_interrupt; 353 } 354 sc->sc_ifp = &sc->sc_ec.ec_if; 355 sc->sc_cansleep = 1; 356 357 if (awi_attach(sc) != 0) { 358 printf("%s: failed to attach controller\n", 359 sc->sc_dev.dv_xname); 360 goto attach_failed; 361 } 362 psc->sc_powerhook = powerhook_establish(awi_pcmcia_powerhook, psc); 363 364 sc->sc_enabled = 0; 365 /* disable device and disestablish the interrupt */ 366 awi_pcmcia_disable(sc); 367 return; 368 369 attach_failed: 370 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 371 372 no_interrupt: 373 /* Unmap our memory window and space */ 374 if (psc->sc_mem_window != -1) { 375 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 376 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 377 } 378 379 /* Unmap our i/o window and space */ 380 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 381 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 382 383 /* Disable the function */ 384 pcmcia_function_disable(psc->sc_pf); 385 386 no_config_entry: 387 psc->sc_io_window = -1; 388 } 389 390 391 static int 392 awi_pcmcia_detach(self, flags) 393 struct device *self; 394 int flags; 395 { 396 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 397 int error; 398 399 if (psc->sc_io_window == -1) 400 /* Nothing to detach. */ 401 return (0); 402 403 if (psc->sc_powerhook != NULL) 404 powerhook_disestablish(psc->sc_powerhook); 405 406 error = awi_detach(&psc->sc_awi); 407 if (error != 0) 408 return (error); 409 410 /* Unmap our memory window and free memory space */ 411 if (psc->sc_mem_window != -1) { 412 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 413 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 414 } 415 416 /* Unmap our i/o window. */ 417 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 418 419 /* Free our i/o space. */ 420 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 421 return (0); 422 } 423 424 static void 425 awi_pcmcia_powerhook(why, arg) 426 int why; 427 void *arg; 428 { 429 struct awi_pcmcia_softc *psc = arg; 430 struct awi_softc *sc = &psc->sc_awi; 431 432 awi_power(sc, why); 433 } 434
Indexes created Mon Sep 29 21:09:56 GMT 2025