1 /* $NetBSD: if_awi_pcmcia.c,v 1.26 2002/10/02 16:52:09 thorpej 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/cdefs.h> 48 __KERNEL_RCSID(0, "$NetBSD: if_awi_pcmcia.c,v 1.26 2002/10/02 16:52:09 thorpej Exp $"); 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/mbuf.h> 53 #include <sys/socket.h> 54 #include <sys/ioctl.h> 55 #include <sys/errno.h> 56 #include <sys/syslog.h> 57 #include <sys/select.h> 58 #include <sys/device.h> 59 60 #include <net/if.h> 61 #include <net/if_dl.h> 62 #include <net/if_ether.h> 63 #include <net/if_media.h> 64 #include <net/if_ieee80211.h> 65 66 #include <machine/cpu.h> 67 #include <machine/bus.h> 68 #include <machine/intr.h> 69 70 #include <dev/ic/am79c930reg.h> 71 #include <dev/ic/am79c930var.h> 72 #include <dev/ic/awireg.h> 73 #include <dev/ic/awivar.h> 74 75 #include <dev/pcmcia/pcmciareg.h> 76 #include <dev/pcmcia/pcmciavar.h> 77 #include <dev/pcmcia/pcmciadevs.h> 78 79 static int awi_pcmcia_match(struct device *, struct cfdata *, void *); 80 static void awi_pcmcia_attach(struct device *, struct device *, void *); 81 static int awi_pcmcia_detach(struct device *, int); 82 static int awi_pcmcia_enable(struct awi_softc *); 83 static void awi_pcmcia_disable(struct awi_softc *); 84 85 struct awi_pcmcia_softc { 86 struct awi_softc sc_awi; /* real "awi" softc */ 87 88 /* PCMCIA-specific goo */ 89 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 90 struct pcmcia_mem_handle sc_memh; /* PCMCIA memory space info */ 91 int sc_io_window; /* our i/o window */ 92 int sc_mem_window; /* our memory window */ 93 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 94 void *sc_ih; /* interrupt handler */ 95 }; 96 97 static int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 98 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 99 100 CFATTACH_DECL(awi_pcmcia, sizeof(struct awi_pcmcia_softc), 101 awi_pcmcia_match, awi_pcmcia_attach, awi_pcmcia_detach, awi_activate); 102 103 static const struct awi_pcmcia_product { 104 u_int32_t app_vendor; /* vendor ID */ 105 u_int32_t app_product; /* product ID */ 106 const char *app_cisinfo[4]; /* CIS information */ 107 const char *app_name; /* product name */ 108 } awi_pcmcia_products[] = { 109 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, 110 PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 }, 111 112 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, 113 PCMCIA_CIS_BAY_STACK_660, PCMCIA_STR_BAY_STACK_660 }, 114 115 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, 116 PCMCIA_CIS_BAY_SURFER_PRO, PCMCIA_STR_BAY_SURFER_PRO }, 117 118 { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, 119 PCMCIA_CIS_AMD_AM79C930, PCMCIA_STR_AMD_AM79C930 }, 120 121 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, 122 PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 }, 123 124 { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, 125 PCMCIA_CIS_NOKIA_C020_WLAN, PCMCIA_STR_NOKIA_C020_WLAN }, 126 127 { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE, 128 PCMCIA_CIS_FARALLON_SKYLINE, PCMCIA_STR_FARALLON_SKYLINE }, 129 130 { 0, 0, 131 { NULL, NULL, NULL, NULL }, NULL }, 132 }; 133 134 static const struct awi_pcmcia_product * 135 awi_pcmcia_lookup __P((struct pcmcia_attach_args *)); 136 137 static const struct awi_pcmcia_product * 138 awi_pcmcia_lookup(pa) 139 struct pcmcia_attach_args *pa; 140 { 141 const struct awi_pcmcia_product *app; 142 143 for (app = awi_pcmcia_products; app->app_name != NULL; app++) { 144 /* match by vendor/product id */ 145 if (pa->manufacturer != PCMCIA_VENDOR_INVALID && 146 pa->manufacturer == app->app_vendor && 147 pa->product != PCMCIA_PRODUCT_INVALID && 148 pa->product == app->app_product) 149 return (app); 150 151 /* match by CIS information */ 152 if (pa->card->cis1_info[0] != NULL && 153 app->app_cisinfo[0] != NULL && 154 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 && 155 pa->card->cis1_info[1] != NULL && 156 app->app_cisinfo[1] != NULL && 157 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0) 158 return (app); 159 } 160 161 return (NULL); 162 } 163 164 static int 165 awi_pcmcia_enable(sc) 166 struct awi_softc *sc; 167 { 168 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; 169 struct pcmcia_function *pf = psc->sc_pf; 170 171 /* establish the interrupt. */ 172 psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 173 if (psc->sc_ih == NULL) { 174 printf("%s: couldn't establish interrupt\n", 175 sc->sc_dev.dv_xname); 176 return (1); 177 } 178 179 if (pcmcia_function_enable(pf)) { 180 pcmcia_intr_disestablish(pf, psc->sc_ih); 181 return (1); 182 } 183 DELAY(1000); 184 185 return (0); 186 } 187 188 static void 189 awi_pcmcia_disable(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 pcmcia_function_disable(pf); 196 pcmcia_intr_disestablish(pf, psc->sc_ih); 197 } 198 199 static int 200 awi_pcmcia_match(parent, match, aux) 201 struct device *parent; 202 struct cfdata *match; 203 void *aux; 204 { 205 struct pcmcia_attach_args *pa = aux; 206 207 if (awi_pcmcia_lookup(pa) != NULL) 208 return (1); 209 210 return (0); 211 } 212 213 static int 214 awi_pcmcia_find(psc, pa, cfe) 215 struct awi_pcmcia_softc *psc; 216 struct pcmcia_attach_args *pa; 217 struct pcmcia_config_entry *cfe; 218 { 219 struct awi_softc *sc = &psc->sc_awi; 220 int fail = 0; 221 222 /* 223 * see if we can read the firmware version sanely 224 * through the i/o ports. 225 * if not, try a different CIS string.. 226 */ 227 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 228 cfe->iospace[0].length, AM79C930_IO_ALIGN, 229 &psc->sc_pcioh) != 0) 230 goto fail; 231 232 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 233 &psc->sc_pcioh, &psc->sc_io_window)) 234 goto fail_io_free; 235 236 /* Enable the card. */ 237 pcmcia_function_init(psc->sc_pf, cfe); 238 if (pcmcia_function_enable(psc->sc_pf)) 239 goto fail_io_unmap; 240 241 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 242 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 243 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 244 am79c930_chip_init(&sc->sc_chip, 0); 245 246 DELAY(1000); 247 248 awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); 249 250 if (memcmp(sc->sc_banner, "PCnetMobile:", 12) == 0) 251 return (0); 252 253 fail++; 254 pcmcia_function_disable(psc->sc_pf); 255 256 fail_io_unmap: 257 fail++; 258 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 259 260 fail_io_free: 261 fail++; 262 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 263 fail: 264 fail++; 265 psc->sc_io_window = -1; 266 return (fail); 267 } 268 269 static void 270 awi_pcmcia_attach(parent, self, aux) 271 struct device *parent, *self; 272 void *aux; 273 { 274 struct awi_pcmcia_softc *psc = (void *)self; 275 struct awi_softc *sc = &psc->sc_awi; 276 const struct awi_pcmcia_product *app; 277 struct pcmcia_attach_args *pa = aux; 278 struct pcmcia_config_entry *cfe; 279 bus_size_t memoff; 280 281 app = awi_pcmcia_lookup(pa); 282 if (app == NULL) 283 panic("awi_pcmcia_attach: impossible"); 284 285 psc->sc_pf = pa->pf; 286 287 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, 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