if_awi_pcmcia.c revision 1.4
1 /* $NetBSD: if_awi_pcmcia.c,v 1.4 1999/11/05 05:13:36 sommerfeld 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_inet.h" 48 #include "opt_ns.h" 49 #include "bpfilter.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/mbuf.h> 54 #include <sys/socket.h> 55 #include <sys/ioctl.h> 56 #include <sys/errno.h> 57 #include <sys/syslog.h> 58 #include <sys/select.h> 59 #include <sys/device.h> 60 61 #include <net/if.h> 62 #include <net/if_dl.h> 63 #include <net/if_ether.h> 64 #include <net/if_media.h> 65 66 #ifdef INET 67 #include <netinet/in.h> 68 #include <netinet/in_systm.h> 69 #include <netinet/in_var.h> 70 #include <netinet/ip.h> 71 #include <netinet/if_inarp.h> 72 #endif 73 74 #ifdef NS 75 #include <netns/ns.h> 76 #include <netns/ns_if.h> 77 #endif 78 79 #if NBPFILTER > 0 80 #include <net/bpf.h> 81 #include <net/bpfdesc.h> 82 #endif 83 84 #include <machine/cpu.h> 85 #include <machine/bus.h> 86 #include <machine/intr.h> 87 88 #include <dev/ic/am79c930reg.h> 89 #include <dev/ic/am79c930var.h> 90 #include <dev/ic/awireg.h> 91 #include <dev/ic/awivar.h> 92 93 #include <dev/pcmcia/pcmciareg.h> 94 #include <dev/pcmcia/pcmciavar.h> 95 #include <dev/pcmcia/pcmciadevs.h> 96 97 int awi_pcmcia_match __P((struct device *, struct cfdata *, void *)); 98 void awi_pcmcia_attach __P((struct device *, struct device *, void *)); 99 int awi_pcmcia_detach __P((struct device *, int)); 100 101 int awi_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 102 int awi_pcmcia_enable __P((struct awi_softc *)); 103 void awi_pcmcia_disable __P((struct awi_softc *)); 104 105 struct awi_pcmcia_softc { 106 struct awi_softc sc_awi; /* real "awi" softc */ 107 108 /* PCMCIA-specific goo */ 109 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 110 int sc_io_window; /* our i/o window */ 111 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 112 }; 113 114 int awi_pcmcia_find __P((struct awi_pcmcia_softc *, 115 struct pcmcia_attach_args *, struct pcmcia_config_entry *)); 116 117 struct cfattach awi_pcmcia_ca = { 118 sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, 119 awi_pcmcia_detach, /* awi_activate */ 0 120 }; 121 122 #if __NetBSD_Version__ <= 104120000 123 #define PCMCIA_VENDOR_BAY 0x01eb /* Bay Networks */ 124 #define PCMCIA_PRODUCT_BAY_STACK_650 0x804 125 #endif 126 127 int 128 awi_pcmcia_enable(sc) 129 struct awi_softc *sc; 130 { 131 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 132 struct pcmcia_function *pf = psc->sc_pf; 133 134 /* establish the interrupt. */ 135 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); 136 if (sc->sc_ih == NULL) { 137 printf("%s: couldn't establish interrupt\n", 138 sc->sc_dev.dv_xname); 139 return (1); 140 } 141 return (pcmcia_function_enable(pf)); 142 } 143 144 void 145 awi_pcmcia_disable(sc) 146 struct awi_softc *sc; 147 { 148 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *) sc; 149 struct pcmcia_function *pf = psc->sc_pf; 150 151 pcmcia_function_disable (pf); 152 pcmcia_intr_disestablish (pf, sc->sc_ih); 153 } 154 155 int 156 awi_pcmcia_match(parent, match, aux) 157 struct device *parent; 158 struct cfdata *match; 159 void *aux; 160 { 161 struct pcmcia_attach_args *pa = aux; 162 163 if (pa->manufacturer != PCMCIA_VENDOR_BAY) 164 return (0); 165 166 if (pa->product == PCMCIA_PRODUCT_BAY_STACK_650) 167 return (1); 168 169 return (0); 170 } 171 172 int 173 awi_pcmcia_find (psc, pa, cfe) 174 struct awi_pcmcia_softc *psc; 175 struct pcmcia_attach_args *pa; 176 struct pcmcia_config_entry *cfe; 177 { 178 struct awi_softc *sc = &psc->sc_awi; 179 int fail = 0; 180 u_int8_t version[AWI_BANNER_LEN]; 181 182 /* 183 * see if we can read the firmware version sanely 184 * through the i/o ports. 185 * if not, try a different CIS string.. 186 */ 187 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start, 188 cfe->iospace[0].length, 0, &psc->sc_pcioh) != 0) 189 goto fail; 190 191 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 192 &psc->sc_pcioh, &psc->sc_io_window)) 193 goto fail_io_free; 194 195 /* Enable the card. */ 196 pcmcia_function_init(psc->sc_pf, cfe); 197 if (pcmcia_function_enable(psc->sc_pf)) 198 goto fail_io_unmap; 199 200 sc->sc_chip.sc_iot = psc->sc_pcioh.iot; 201 sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh; 202 am79c930_chip_init(&sc->sc_chip, 0); 203 204 DELAY(100); 205 206 awi_read_bytes (sc, AWI_BANNER, version, AWI_BANNER_LEN); 207 208 if (memcmp(version, "PCnetMobile:", 12) == 0) 209 return 0; 210 211 fail++; 212 pcmcia_function_disable (psc->sc_pf); 213 214 fail_io_unmap: 215 fail++; 216 pcmcia_io_unmap (psc->sc_pf, psc->sc_io_window); 217 218 fail_io_free: 219 fail++; 220 pcmcia_io_free (psc->sc_pf, &psc->sc_pcioh); 221 fail: 222 fail++; 223 return fail; 224 } 225 226 227 228 void 229 awi_pcmcia_attach(parent, self, aux) 230 struct device *parent, *self; 231 void *aux; 232 { 233 struct awi_pcmcia_softc *psc = (void *) self; 234 struct awi_softc *sc = &psc->sc_awi; 235 struct pcmcia_attach_args *pa = aux; 236 struct pcmcia_config_entry *cfe; 237 struct pcmcia_mem_handle memh; 238 bus_addr_t memoff; 239 int memwin; 240 241 #if 0 242 int i, j; 243 244 for (cfe = pa->pf->cfe_head.sqh_first, i=0; 245 cfe != NULL; 246 cfe = cfe->cfe_list.sqe_next, i++) { 247 printf("%d: %d memspaces, %d iospaces\n", 248 i, cfe->num_memspace, cfe->num_iospace); 249 printf("%d: number %d flags %x iftype %d iomask %lx irqmask %x maxtwins %x\n", 250 i, cfe->number, cfe->flags, cfe->iftype, cfe->iomask, 251 cfe->irqmask, cfe->maxtwins); 252 for (j=0; j<cfe->num_memspace; j++) { 253 printf("%d: mem %d: len %lx card %lx host %lx\n", 254 i, j, 255 cfe->memspace[j].length, 256 cfe->memspace[j].cardaddr, 257 cfe->memspace[j].hostaddr); 258 } 259 for (j=0; j<cfe->num_iospace; j++) { 260 printf("%d: io %d: len %lx start %lx\n", 261 i, j, 262 cfe->iospace[j].length, 263 cfe->iospace[j].start); 264 } 265 } 266 #endif 267 268 psc->sc_pf = pa->pf; 269 270 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL; 271 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 272 if (cfe->iftype != PCMCIA_IFTYPE_IO) 273 continue; 274 if (cfe->num_iospace < 1) 275 continue; 276 if (cfe->iospace[0].length < AM79C930_IO_SIZE) 277 continue; 278 279 if (awi_pcmcia_find(psc, pa, cfe) == 0) 280 break; 281 } 282 if (cfe == NULL) { 283 printf(": no suitable CIS info found\n"); 284 return; 285 } 286 287 sc->sc_enabled = 1; 288 sc->sc_state = AWI_ST_SELFTEST; 289 printf(": BayStack 650 Wireless (802.11)\n"); 290 291 if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE, &memh) != 0) { 292 printf("%s: unable to allocate memory space; using i/o only\n", 293 sc->sc_dev.dv_xname); 294 } else if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, 295 AM79C930_MEM_BASE, AM79C930_MEM_SIZE, 296 &memh, &memoff, &memwin)) { 297 printf("%s: unable to map memory space; using i/o only\n", 298 sc->sc_dev.dv_xname); 299 pcmcia_mem_free(psc->sc_pf, &memh); 300 } else { 301 sc->sc_chip.sc_memt = memh.memt; 302 sc->sc_chip.sc_memh = memh.memh; 303 am79c930_chip_init(&sc->sc_chip, 1); 304 } 305 306 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; 307 308 sc->sc_enable = awi_pcmcia_enable; 309 sc->sc_disable = awi_pcmcia_disable; 310 311 awi_attach(sc); 312 313 sc->sc_state = AWI_ST_OFF; 314 315 sc->sc_enabled = 0; 316 pcmcia_function_disable(psc->sc_pf); 317 } 318 319 320 int 321 awi_pcmcia_detach(self, flags) 322 struct device *self; 323 int flags; 324 { 325 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self; 326 327 /* Unmap our i/o window. */ 328 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 329 330 /* Free our i/o space. */ 331 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 332 333 #ifdef notyet 334 /* 335 * Our softc is about to go away, so drop our reference 336 * to the ifnet. 337 */ 338 if_delref(psc->sc_awi.sc_ethercom.ec_if); 339 return (0); 340 #else 341 return (EBUSY); 342 #endif 343 } 344
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