if_awi_pcmcia.c revision 1.20
1 /* $NetBSD: if_awi_pcmcia.c,v 1.20 2001/09/18 09:10:00 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 <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/mbuf.h> 50 #include <sys/socket.h> 51 #include <sys/ioctl.h> 52 #include <sys/errno.h> 53 #include <sys/syslog.h> 54 #include <sys/select.h> 55 #include <sys/device.h> 56 57 #include <net/if.h> 58 #include <net/if_dl.h> 59 #include <net/if_ether.h> 60 #include <net/if_media.h> 61 #include <net/if_ieee80211.h> 62 63 #include <machine/cpu.h> 64 #include <machine/bus.h> 65 #include <machine/intr.h> 66 67 #include <dev/ic/am79c930reg.h> 68 #include <dev/ic/am79c930var.h> 69 #include <dev/ic/awireg.h> 70 #include <dev/ic/awivar.h> 71 72 #include <dev/pcmcia/pcmciareg.h> 73 #include <dev/pcmcia/pcmciavar.h> 74 #include <dev/pcmcia/pcmciadevs.h> 75 76 static int awi_pcmcia_match(struct device *, struct cfdata *, void *); 77 static void awi_pcmcia_attach(struct device *, struct device *, void *); 78 static int awi_pcmcia_detach(struct device *, int); 79 static int awi_pcmcia_enable(struct awi_softc *); 80 static void awi_pcmcia_disable(struct awi_softc *); 81 82 struct awi_pcmcia_softc { 83 struct awi_softc sc_awi; /* real "awi" softc */ 84 85 /* PCMCIA-specific goo */ 86 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 87 struct pcmcia_mem_handle sc_memh; /* PCMCIA memory space info */ 88 int sc_io_window; /* our i/o window */ 89 int sc_mem_window; /* our memory window */ 90 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 91 void *sc_ih; /* interrupt handler */ 92 }; 93 94 static int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 95 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 96 97 struct cfattach awi_pcmcia_ca = { 98 sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, 99 awi_pcmcia_detach, awi_activate 100 }; 101 102 static const struct awi_pcmcia_product { 103 u_int32_t app_vendor; /* vendor ID */ 104 u_int32_t app_product; /* product ID */ 105 const char *app_cisinfo[4]; /* CIS information */ 106 const char *app_name; /* product name */ 107 } awi_pcmcia_products[] = { 108 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, 109 PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 }, 110 111 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, 112 PCMCIA_CIS_BAY_STACK_660, PCMCIA_STR_BAY_STACK_660 }, 113 114 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, 115 PCMCIA_CIS_BAY_SURFER_PRO, PCMCIA_STR_BAY_SURFER_PRO }, 116 117 { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, 118 PCMCIA_CIS_AMD_AM79C930, PCMCIA_STR_AMD_AM79C930 }, 119 120 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, 121 PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 }, 122 123 { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, 124 PCMCIA_CIS_NOKIA_C020_WLAN, PCMCIA_STR_NOKIA_C020_WLAN }, 125 126 { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE, 127 PCMCIA_CIS_FARALLON_SKYLINE, PCMCIA_STR_FARALLON_SKYLINE }, 128 129 { 0, 0, 130 { NULL, NULL, NULL, NULL }, NULL }, 131 }; 132 133 static const struct awi_pcmcia_product * 134 awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); 135 136 static const struct awi_pcmcia_product * 137 awi_pcmcia_lookup(pa) 138 struct pcmcia_attach_args *pa; 139 { 140 const struct awi_pcmcia_product *app; 141 142 for (app = awi_pcmcia_products; app->app_name != NULL; app++) { 143 /* match by vendor/product id */ 144 if (pa->manufacturer != PCMCIA_VENDOR_INVALID && 145 pa->manufacturer == app->app_vendor && 146 pa->product != PCMCIA_PRODUCT_INVALID && 147 pa->product == app->app_product) 148 return (app); 149 150 /* match by CIS information */ 151 if (pa->card->cis1_info[0] != NULL && 152 app->app_cisinfo[0] != NULL && 153 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && 154 pa->card->cis1_info[1] != NULL && 155 app->app_cisinfo[1] != NULL && 156 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) 157 return (app); 158 } 159 160 return (NULL); 161 } 162 163 static int 164 awi_pcmcia_enable(sc) 165 struct awi_softc *sc; 166 { 167 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 168 struct pcmcia_function *pf = psc->sc_pf; 169 170 /* establish the interrupt. */ 171 psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 172 if (psc->sc_ih == NULL) { 173 printf("%s: couldn't establish interrupt\n", 174 sc->sc_dev.dv_xname); 175 return (1); 176 } 177 178 if (pcmcia_function_enable(pf)) { 179 pcmcia_intr_disestablish(pf, psc->sc_ih); 180 return (1); 181 } 182 DELAY(1000); 183 184 return (0); 185 } 186 187 static void 188 awi_pcmcia_disable(sc) 189 struct awi_softc *sc; 190 { 191 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 192 struct pcmcia_function *pf = psc->sc_pf; 193 194 pcmcia_function_disable(pf); 195 pcmcia_intr_disestablish(pf, psc->sc_ih); 196 } 197 198 static int 199 awi_pcmcia_match(parent, match, aux) 200 struct device *parent; 201 struct cfdata *match; 202 void *aux; 203 { 204 struct pcmcia_attach_args *pa = aux; 205 206 if (awi_pcmcia_lookup(pa) != NULL) 207 return (1); 208 209 return (0); 210 } 211 212 static int 213 awi_pcmcia_find(psc, pa, cfe) 214 struct awi_pcmcia_softc *psc; 215 struct pcmcia_attach_args *pa; 216 struct pcmcia_config_entry *cfe; 217 { 218 struct awi_softc *sc = &psc->sc_awi; 219 int fail = 0; 220 221 /* 222 * see if we can read the firmware version sanely 223 * through the i/o ports. 224 * if not, try a different CIS string.. 225 */ 226 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 227 cfe->iospace[0].length, AM79C930_IO_ALIGN, 228 &psc->sc_pcioh) != 0) 229 goto fail; 230 231 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 232 &psc->sc_pcioh, &psc->sc_io_window)) 233 goto fail_io_free; 234 235 /* Enable the card. */ 236 pcmcia_function_init(psc->sc_pf, cfe); 237 if (pcmcia_function_enable(psc->sc_pf)) 238 goto fail_io_unmap; 239 240 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 241 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 242 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 243 am79c930_chip_init(&sc->sc_chip, 0); 244 245 DELAY(1000); 246 247 awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); 248 249 if (memcmp(sc->sc_banner, "PCnetMobile:", 12) == 0) 250 return (0); 251 252 fail++; 253 pcmcia_function_disable(psc->sc_pf); 254 255 fail_io_unmap: 256 fail++; 257 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 258 259 fail_io_free: 260 fail++; 261 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 262 fail: 263 fail++; 264 psc->sc_io_window = -1; 265 return (fail); 266 } 267 268 static void 269 awi_pcmcia_attach(parent, self, aux) 270 struct device *parent, *self; 271 void *aux; 272 { 273 struct awi_pcmcia_softc *psc = (void *)self; 274 struct awi_softc *sc = &psc->sc_awi; 275 const struct awi_pcmcia_product *app; 276 struct pcmcia_attach_args *pa = aux; 277 struct pcmcia_config_entry *cfe; 278 bus_addr_t memoff; 279 280 app = awi_pcmcia_lookup(pa); 281 if (app == NULL) 282 panic("awi_pcmcia_attach: impossible"); 283 284 psc->sc_pf = pa->pf; 285 286 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 287 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 288 if (cfe->iftype != PCMCIA_IFTYPE_IO) 289 continue; 290 if (cfe->num_iospace < 1) 291 continue; 292 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 293 continue; 294 295 if (awi_pcmcia_find(psc, pa, cfe) == 0) 296 break; 297 } 298 if (cfe == NULL) { 299 printf(": no suitable CIS info found\n"); 300 goto no_config_entry; 301 } 302 303 sc->sc_enabled = 1; 304 printf(": %s\n", app->app_name); 305 306 psc->sc_mem_window = -1; 307 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, 308 &psc->sc_memh) != 0) { 309 printf("%s: unable to allocate memory space; using i/o only\n", 310 sc->sc_dev.dv_xname); 311 } else if (pcmcia_mem_map(psc->sc_pf, 312 PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE, 313 AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) { 314 printf("%s: unable to map memory space; using i/o only\n", 315 sc->sc_dev.dv_xname); 316 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 317 } else { 318 sc->sc_chip.sc_memt = psc->sc_memh.memt; 319 sc->sc_chip.sc_memh = psc->sc_memh.memh; 320 am79c930_chip_init(&sc->sc_chip, 1); 321 } 322 323 sc->sc_enable = awi_pcmcia_enable; 324 sc->sc_disable = awi_pcmcia_disable; 325 326 /* establish the interrupt. */ 327 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, awi_intr, sc); 328 if (psc->sc_ih == NULL) { 329 printf("%s: couldn't establish interrupt\n", 330 sc->sc_dev.dv_xname); 331 goto no_interrupt; 332 } 333 sc->sc_cansleep = 1; 334 335 if (awi_attach(sc) != 0) { 336 printf("%s: failed to attach controller\n", 337 sc->sc_dev.dv_xname); 338 goto attach_failed; 339 } 340 341 sc->sc_enabled = 0; 342 /* disable device and disestablish the interrupt */ 343 awi_pcmcia_disable(sc); 344 return; 345 346 attach_failed: 347 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 348 349 no_interrupt: 350 /* Unmap our memory window and space */ 351 if (psc->sc_mem_window != -1) { 352 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 353 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 354 } 355 356 /* Unmap our i/o window and space */ 357 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 358 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 359 360 /* Disable the function */ 361 pcmcia_function_disable(psc->sc_pf); 362 363 no_config_entry: 364 psc->sc_io_window = -1; 365 } 366 367 368 static int 369 awi_pcmcia_detach(self, flags) 370 struct device *self; 371 int flags; 372 { 373 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 374 int error; 375 376 if (psc->sc_io_window == -1) 377 /* Nothing to detach. */ 378 return (0); 379 380 error = awi_detach(&psc->sc_awi); 381 if (error != 0) 382 return (error); 383 384 /* Unmap our memory window and free memory space */ 385 if (psc->sc_mem_window != -1) { 386 pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window); 387 pcmcia_mem_free(psc->sc_pf, &psc->sc_memh); 388 } 389 390 /* Unmap our i/o window. */ 391 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 392 393 /* Free our i/o space. */ 394 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 395 return (0); 396 } 397
Indexes created Mon Sep 29 21:09:56 GMT 2025