if_awi_pcmcia.c revision 1.3
1 /*- 2 * Copyright (c) 1999 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Bill Sommerfeld 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the NetBSD 19 * Foundation, Inc. and its contributors. 20 * 4. Neither the name of The NetBSD Foundation nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 /* 38 * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card, 39 * based on the AMD 79c930 802.11 controller chip. 40 * 41 * This attachment can probably be trivally adapted for other FH and 42 * DS cards based on the same chipset. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/mbuf.h> 52 #include <sys/socket.h> 53 #include <sys/ioctl.h> 54 #include <sys/errno.h> 55 #include <sys/syslog.h> 56 #include <sys/select.h> 57 #include <sys/device.h> 58 59 #include <net/if.h> 60 #include <net/if_dl.h> 61 #include <net/if_ether.h> 62 #include <net/if_media.h> 63 64 #ifdef INET 65 #include <netinet/in.h> 66 #include <netinet/in_systm.h> 67 #include <netinet/in_var.h> 68 #include <netinet/ip.h> 69 #include <netinet/if_inarp.h> 70 #endif 71 72 #ifdef NS 73 #include <netns/ns.h> 74 #include <netns/ns_if.h> 75 #endif 76 77 #if NBPFILTER > 0 78 #include <net/bpf.h> 79 #include <net/bpfdesc.h> 80 #endif 81 82 #include <machine/cpu.h> 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/ic/am79c930reg.h> 87 #include <dev/ic/am79c930var.h> 88 #include <dev/ic/awireg.h> 89 #include <dev/ic/awivar.h> 90 91 #include <dev/pcmcia/pcmciareg.h> 92 #include <dev/pcmcia/pcmciavar.h> 93 #include <dev/pcmcia/pcmciadevs.h> 94 95 int awi_pcmcia_match __P((struct device *, struct cfdata *, void *)); 96 void awi_pcmcia_attach __P((struct device *, struct device *, void *)); 97 int awi_pcmcia_detach __P((struct device *, int)); 98 99 int awi_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 100 int awi_pcmcia_enable __P((struct awi_softc *)); 101 void awi_pcmcia_disable __P((struct awi_softc *)); 102 103 struct awi_pcmcia_softc { 104 struct awi_softc sc_awi; /* real "awi" softc */ 105 106 /* PCMCIA-specific goo */ 107 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 108 int sc_io_window; /* our i/o window */ 109 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 110 }; 111 112 int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 113 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 114 115 struct cfattach awi_pcmcia_ca = { 116 sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, 117 awi_pcmcia_detach, /* awi_activate */ 0 118 }; 119 120 #if __NetBSD_Version__ <= 104120000 121 #define PCMCIA_VENDOR_BAY 0x01eb /* Bay Networks */ 122 #define PCMCIA_PRODUCT_BAY_STACK_650 0x804 123 #endif 124 125 int 126 awi_pcmcia_enable(sc) 127 struct awi_softc *sc; 128 { 129 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 130 struct pcmcia_function *pf = psc->sc_pf; 131 132 /* establish the interrupt. */ 133 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 134 if (sc->sc_ih == NULL) { 135 printf("%s: couldn't establish interrupt\n", 136 sc->sc_dev.dv_xname); 137 return (1); 138 } 139 return (pcmcia_function_enable(pf)); 140 } 141 142 void 143 awi_pcmcia_disable(sc) 144 struct awi_softc *sc; 145 { 146 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 147 struct pcmcia_function *pf = psc->sc_pf; 148 149 pcmcia_function_disable (pf); 150 pcmcia_intr_disestablish (pf, sc->sc_ih); 151 } 152 153 int 154 awi_pcmcia_match(parent, match, aux) 155 struct device *parent; 156 struct cfdata *match; 157 void *aux; 158 { 159 struct pcmcia_attach_args *pa = aux; 160 161 if (pa->manufacturer != PCMCIA_VENDOR_BAY) 162 return (0); 163 164 if (pa->product == PCMCIA_PRODUCT_BAY_STACK_650) 165 return (1); 166 167 return (0); 168 } 169 170 int 171 awi_pcmcia_find (psc, pa, cfe) 172 struct awi_pcmcia_softc *psc; 173 struct pcmcia_attach_args *pa; 174 struct pcmcia_config_entry *cfe; 175 { 176 struct awi_softc *sc = &psc->sc_awi; 177 int fail = 0; 178 u_int8_t version[AWI_BANNER_LEN]; 179 180 /* 181 * see if we can read the firmware version sanely 182 * through the i/o ports. 183 * if not, try a different CIS string.. 184 */ 185 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 186 cfe->iospace[0].length, 0, &psc->sc_pcioh) != 0) 187 goto fail; 188 189 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 190 &psc->sc_pcioh, &psc->sc_io_window)) 191 goto fail_io_free; 192 193 /* Enable the card. */ 194 pcmcia_function_init(psc->sc_pf, cfe); 195 if (pcmcia_function_enable(psc->sc_pf)) 196 goto fail_io_unmap; 197 198 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 199 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 200 am79c930_chip_init(&sc->sc_chip, 0); 201 202 DELAY(100); 203 204 awi_read_bytes (sc, AWI_BANNER, version, AWI_BANNER_LEN); 205 206 if (memcmp(version, "PCnetMobile:", 12) == 0) 207 return 0; 208 209 fail++; 210 pcmcia_function_disable (psc->sc_pf); 211 212 fail_io_unmap: 213 fail++; 214 pcmcia_io_unmap (psc->sc_pf, psc->sc_io_window); 215 216 fail_io_free: 217 fail++; 218 pcmcia_io_free (psc->sc_pf, &psc->sc_pcioh); 219 fail: 220 fail++; 221 return fail; 222 } 223 224 225 226 void 227 awi_pcmcia_attach(parent, self, aux) 228 struct device *parent, *self; 229 void *aux; 230 { 231 struct awi_pcmcia_softc *psc = (void *) self; 232 struct awi_softc *sc = &psc->sc_awi; 233 struct pcmcia_attach_args *pa = aux; 234 struct pcmcia_config_entry *cfe; 235 struct pcmcia_mem_handle memh; 236 bus_addr_t memoff; 237 int memwin; 238 239 #if 0 240 int i, j; 241 242 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 243 cfe != NULL; 244 cfe = cfe->cfe_list.sqe_next, i++) { 245 printf("%d: %d memspaces, %d iospaces\n", 246 i, cfe->num_memspace, cfe->num_iospace); 247 printf("%d: number %d flags %x iftype %d iomask %lx irqmask %x maxtwins %x\n", 248 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 249 cfe->irqmask, cfe->maxtwins); 250 for (j=0; j<cfe->num_memspace; j++) { 251 printf("%d: mem %d: len %lx card %lx host %lx\n", 252 i, j, 253 cfe->memspace[j].length, 254 cfe->memspace[j].cardaddr, 255 cfe->memspace[j].hostaddr); 256 } 257 for (j=0; j<cfe->num_iospace; j++) { 258 printf("%d: io %d: len %lx start %lx\n", 259 i, j, 260 cfe->iospace[j].length, 261 cfe->iospace[j].start); 262 } 263 } 264 #endif 265 266 psc->sc_pf = pa->pf; 267 268 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 269 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 270 if (cfe->iftype != PCMCIA_IFTYPE_IO) 271 continue; 272 if (cfe->num_iospace < 1) 273 continue; 274 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 275 continue; 276 277 if (awi_pcmcia_find(psc, pa, cfe) == 0) 278 break; 279 } 280 if (cfe == NULL) { 281 printf(": no suitable CIS info found\n"); 282 return; 283 } 284 285 sc->sc_enabled = 1; 286 sc->sc_state = AWI_ST_SELFTEST; 287 printf(": BayStack 650 Wireless (802.11)\n"); 288 289 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &memh) != 0) { 290 printf("%s: unable to allocate memory space; using i/o only\n", 291 sc->sc_dev.dv_xname); 292 } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, 293 AM79C930_MEM_BASE, AM79C930_MEM_SIZE, 294 &memh, &memoff, &memwin)) { 295 printf("%s: unable to map memory space; using i/o only\n", 296 sc->sc_dev.dv_xname); 297 pcmcia_mem_free(psc->sc_pf, &memh); 298 } else { 299 sc->sc_chip.sc_memt = memh.memt; 300 sc->sc_chip.sc_memh = memh.memh; 301 am79c930_chip_init(&sc->sc_chip, 1); 302 } 303 304 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 305 306 sc->sc_enable = awi_pcmcia_enable; 307 sc->sc_disable = awi_pcmcia_disable; 308 309 awi_attach(sc); 310 311 sc->sc_state = AWI_ST_OFF; 312 313 sc->sc_enabled = 0; 314 pcmcia_function_disable(psc->sc_pf); 315 } 316 317 318 int 319 awi_pcmcia_detach(self, flags) 320 struct device *self; 321 int flags; 322 { 323 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 324 325 /* Unmap our i/o window. */ 326 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 327 328 /* Free our i/o space. */ 329 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 330 331 #ifdef notyet 332 /* 333 * Our softc is about to go away, so drop our reference 334 * to the ifnet. 335 */ 336 if_delref(psc->sc_awi.sc_ethercom.ec_if); 337 return (0); 338 #else 339 return (EBUSY); 340 #endif 341 } 342
Indexes created Fri Sep 26 20:09:58 GMT 2025