if_awi_pcmcia.c revision 1.2
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 int 121 awi_pcmcia_enable(sc) 122 struct awi_softc *sc; 123 { 124 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 125 struct pcmcia_function *pf = psc->sc_pf; 126 127 /* establish the interrupt. */ 128 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 129 if (sc->sc_ih == NULL) { 130 printf("%s: couldn't establish interrupt\n", 131 sc->sc_dev.dv_xname); 132 return (1); 133 } 134 return (pcmcia_function_enable(pf)); 135 } 136 137 void 138 awi_pcmcia_disable(sc) 139 struct awi_softc *sc; 140 { 141 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 142 struct pcmcia_function *pf = psc->sc_pf; 143 144 pcmcia_function_disable (pf); 145 pcmcia_intr_disestablish (pf, sc->sc_ih); 146 } 147 148 int 149 awi_pcmcia_match(parent, match, aux) 150 struct device *parent; 151 struct cfdata *match; 152 void *aux; 153 { 154 struct pcmcia_attach_args *pa = aux; 155 156 if (pa->manufacturer != PCMCIA_VENDOR_BAY) 157 return (0); 158 159 if (pa->product == PCMCIA_PRODUCT_BAY_STACK_650) 160 return (1); 161 162 return (0); 163 } 164 165 int 166 awi_pcmcia_find (psc, pa, cfe) 167 struct awi_pcmcia_softc *psc; 168 struct pcmcia_attach_args *pa; 169 struct pcmcia_config_entry *cfe; 170 { 171 struct awi_softc *sc = &psc->sc_awi; 172 int fail = 0; 173 u_int8_t version[AWI_BANNER_LEN]; 174 175 /* 176 * see if we can read the firmware version sanely 177 * through the i/o ports. 178 * if not, try a different CIS string.. 179 */ 180 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 181 cfe->iospace[0].length, 0, &psc->sc_pcioh) != 0) 182 goto fail; 183 184 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 185 &psc->sc_pcioh, &psc->sc_io_window)) 186 goto fail_io_free; 187 188 /* Enable the card. */ 189 pcmcia_function_init(psc->sc_pf, cfe); 190 if (pcmcia_function_enable(psc->sc_pf)) 191 goto fail_io_unmap; 192 193 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 194 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 195 am79c930_chip_init(&sc->sc_chip, 0); 196 197 DELAY(100); 198 199 awi_read_bytes (sc, AWI_BANNER, version, AWI_BANNER_LEN); 200 201 if (memcmp(version, "PCnetMobile:", 12) == 0) 202 return 0; 203 204 fail++; 205 pcmcia_function_disable (psc->sc_pf); 206 207 fail_io_unmap: 208 fail++; 209 pcmcia_io_unmap (psc->sc_pf, psc->sc_io_window); 210 211 fail_io_free: 212 fail++; 213 pcmcia_io_free (psc->sc_pf, &psc->sc_pcioh); 214 fail: 215 fail++; 216 return fail; 217 } 218 219 220 221 void 222 awi_pcmcia_attach(parent, self, aux) 223 struct device *parent, *self; 224 void *aux; 225 { 226 struct awi_pcmcia_softc *psc = (void *) self; 227 struct awi_softc *sc = &psc->sc_awi; 228 struct pcmcia_attach_args *pa = aux; 229 struct pcmcia_config_entry *cfe; 230 struct pcmcia_mem_handle memh; 231 bus_addr_t memoff; 232 int memwin; 233 234 #if 0 235 int i, j; 236 237 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 238 cfe != NULL; 239 cfe = cfe->cfe_list.sqe_next, i++) { 240 printf("%d: %d memspaces, %d iospaces\n", 241 i, cfe->num_memspace, cfe->num_iospace); 242 printf("%d: number %d flags %x iftype %d iomask %lx irqmask %x maxtwins %x\n", 243 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 244 cfe->irqmask, cfe->maxtwins); 245 for (j=0; j<cfe->num_memspace; j++) { 246 printf("%d: mem %d: len %lx card %lx host %lx\n", 247 i, j, 248 cfe->memspace[j].length, 249 cfe->memspace[j].cardaddr, 250 cfe->memspace[j].hostaddr); 251 } 252 for (j=0; j<cfe->num_iospace; j++) { 253 printf("%d: io %d: len %lx start %lx\n", 254 i, j, 255 cfe->iospace[j].length, 256 cfe->iospace[j].start); 257 } 258 } 259 #endif 260 261 psc->sc_pf = pa->pf; 262 263 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 264 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 265 if (cfe->iftype != PCMCIA_IFTYPE_IO) 266 continue; 267 if (cfe->num_iospace < 1) 268 continue; 269 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 270 continue; 271 272 if (awi_pcmcia_find(psc, pa, cfe) == 0) 273 break; 274 } 275 if (cfe == NULL) { 276 printf(": no suitable CIS info found\n"); 277 return; 278 } 279 280 sc->sc_enabled = 1; 281 sc->sc_state = AWI_ST_SELFTEST; 282 printf(": BayStack 650 Wireless (802.11)\n"); 283 284 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &memh) != 0) { 285 printf("%s: unable to allocate memory space; using i/o only\n", 286 sc->sc_dev.dv_xname); 287 } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, 288 AM79C930_MEM_BASE, AM79C930_MEM_SIZE, 289 &memh, &memoff, &memwin)) { 290 printf("%s: unable to map memory space; using i/o only\n", 291 sc->sc_dev.dv_xname); 292 pcmcia_mem_free(psc->sc_pf, &memh); 293 } else { 294 sc->sc_chip.sc_memt = memh.memt; 295 sc->sc_chip.sc_memh = memh.memh; 296 am79c930_chip_init(&sc->sc_chip, 1); 297 } 298 299 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 300 301 sc->sc_enable = awi_pcmcia_enable; 302 sc->sc_disable = awi_pcmcia_disable; 303 304 awi_attach(sc); 305 306 sc->sc_state = AWI_ST_OFF; 307 308 sc->sc_enabled = 0; 309 pcmcia_function_disable(psc->sc_pf); 310 } 311 312 313 int 314 awi_pcmcia_detach(self, flags) 315 struct device *self; 316 int flags; 317 { 318 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 319 320 /* Unmap our i/o window. */ 321 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 322 323 /* Free our i/o space. */ 324 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 325 326 #ifdef notyet 327 /* 328 * Our softc is about to go away, so drop our reference 329 * to the ifnet. 330 */ 331 if_delref(psc->sc_awi.sc_ethercom.ec_if); 332 return (0); 333 #else 334 return (EBUSY); 335 #endif 336 } 337
Indexes created Fri Sep 26 20:09:58 GMT 2025