Annotation of sys/dev/pcmcia/if_awi_pcmcia.c, Revision 1.1
1.1 ! nbrk 1: /* $NetBSD: if_awi_pcmcia.c,v 1.13 2000/03/22 11:22:20 onoe Exp $ */
! 2: /* $OpenBSD: if_awi_pcmcia.c,v 1.16 2005/11/21 18:16:42 millert Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1999 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Bill Sommerfeld
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card,
! 42: * based on the AMD 79c930 802.11 controller chip.
! 43: *
! 44: * This attachment can probably be trivially adapted for other FH and
! 45: * DS cards based on the same chipset.
! 46: */
! 47:
! 48: #include "bpfilter.h"
! 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/selinfo.h>
! 58: #include <sys/device.h>
! 59:
! 60: #include <net/if.h>
! 61: #include <net/if_dl.h>
! 62: #include <net/if_media.h>
! 63:
! 64: #include <netinet/in.h>
! 65: #include <netinet/if_ether.h>
! 66:
! 67: #include <net80211/ieee80211.h>
! 68: #include <net80211/ieee80211_ioctl.h>
! 69:
! 70: #if NBPFILTER > 0
! 71: #include <net/bpf.h>
! 72: #endif
! 73:
! 74: #include <machine/cpu.h>
! 75: #include <machine/bus.h>
! 76: #include <machine/intr.h>
! 77:
! 78: #include <dev/ic/am79c930reg.h>
! 79: #include <dev/ic/am79c930var.h>
! 80: #include <dev/ic/awireg.h>
! 81: #include <dev/ic/awivar.h>
! 82:
! 83: #include <dev/pcmcia/pcmciareg.h>
! 84: #include <dev/pcmcia/pcmciavar.h>
! 85: #include <dev/pcmcia/pcmciadevs.h>
! 86:
! 87: struct awi_pcmcia_softc {
! 88: struct awi_softc sc_awi; /* real "awi" softc */
! 89:
! 90: /* PCMCIA-specific goo */
! 91: struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
! 92: struct pcmcia_mem_handle sc_memh; /* PCMCIA memory space info */
! 93: int sc_io_window; /* our i/o window */
! 94: int sc_mem_window; /* our memory window */
! 95: struct pcmcia_function *sc_pf; /* our PCMCIA function */
! 96: void *sc_powerhook; /* power hook descriptor */
! 97: };
! 98:
! 99: static int awi_pcmcia_match(struct device *, void *, void *);
! 100: static void awi_pcmcia_attach(struct device *, struct device *, void *);
! 101: static int awi_pcmcia_detach(struct device *, int);
! 102: static int awi_pcmcia_enable(struct awi_softc *);
! 103: static void awi_pcmcia_disable(struct awi_softc *);
! 104: static void awi_pcmcia_powerhook(int, void *);
! 105:
! 106: static int awi_pcmcia_find(struct awi_pcmcia_softc *,
! 107: struct pcmcia_attach_args *, struct pcmcia_config_entry *);
! 108:
! 109: struct cfattach awi_pcmcia_ca = {
! 110: sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach,
! 111: awi_pcmcia_detach, awi_activate
! 112: };
! 113:
! 114: static struct awi_pcmcia_product {
! 115: u_int16_t app_vendor; /* vendor ID */
! 116: u_int16_t app_product; /* product ID */
! 117: const char *app_cisinfo[4]; /* CIS information */
! 118: const char *app_name; /* product name */
! 119: } awi_pcmcia_products[] = {
! 120: { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650,
! 121: PCMCIA_CIS_BAY_STACK_650, "BayStack 650" },
! 122:
! 123: { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660,
! 124: PCMCIA_CIS_BAY_STACK_660, "BayStack 660" },
! 125:
! 126: { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO,
! 127: PCMCIA_CIS_BAY_SURFER_PRO, "AirSurfer Pro" },
! 128:
! 129: { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930,
! 130: PCMCIA_CIS_AMD_AM79C930, "AMD AM79C930" },
! 131:
! 132: { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200,
! 133: PCMCIA_CIS_ICOM_SL200, "Icom SL-200" },
! 134:
! 135: { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN,
! 136: PCMCIA_CIS_NOKIA_C020_WLAN, "Nokia C020" },
! 137:
! 138: { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE,
! 139: PCMCIA_CIS_FARALLON_SKYLINE, "SkyLINE Wireless" },
! 140:
! 141: { PCMCIA_VENDOR_ZOOM, PCMCIA_PRODUCT_ZOOM_AIR4000,
! 142: PCMCIA_CIS_ZOOM_AIR4000, "Zoom Air-4000" },
! 143:
! 144: /* { PCMCIA_VENDOR_BREEZECOM, PCMCIA_PRODUCT_BREEZECOM_BREEZENET,
! 145: PCMCIA_CIS_BREEZECOM_BREEZENET, "BreezeNet SC-PX" },
! 146: */
! 147: { 0, 0,
! 148: { NULL, NULL, NULL, NULL }, NULL },
! 149: };
! 150:
! 151: static struct awi_pcmcia_product *
! 152: awi_pcmcia_lookup(struct pcmcia_attach_args *);
! 153:
! 154: static struct awi_pcmcia_product *
! 155: awi_pcmcia_lookup(pa)
! 156: struct pcmcia_attach_args *pa;
! 157: {
! 158: struct awi_pcmcia_product *app;
! 159:
! 160: for (app = awi_pcmcia_products; app->app_name != NULL; app++) {
! 161: /* match by vendor/product id */
! 162: if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
! 163: pa->manufacturer == app->app_vendor &&
! 164: pa->product != PCMCIA_PRODUCT_INVALID &&
! 165: pa->product == app->app_product)
! 166: return (app);
! 167:
! 168: /* match by CIS information */
! 169: if (pa->card->cis1_info[0] != NULL &&
! 170: app->app_cisinfo[0] != NULL &&
! 171: strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 &&
! 172: pa->card->cis1_info[1] != NULL &&
! 173: app->app_cisinfo[1] != NULL &&
! 174: strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0)
! 175: return (app);
! 176: }
! 177:
! 178: return (NULL);
! 179: }
! 180:
! 181: static int
! 182: awi_pcmcia_enable(sc)
! 183: struct awi_softc *sc;
! 184: {
! 185: struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc;
! 186: struct pcmcia_function *pf = psc->sc_pf;
! 187:
! 188: /* establish the interrupt. */
! 189: sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr,
! 190: sc, sc->sc_dev.dv_xname);
! 191: if (sc->sc_ih == NULL) {
! 192: printf("%s: couldn't establish interrupt\n",
! 193: sc->sc_dev.dv_xname);
! 194: return (1);
! 195: }
! 196:
! 197: if (pcmcia_function_enable(pf)) {
! 198: pcmcia_intr_disestablish(pf, sc->sc_ih);
! 199: return (1);
! 200: }
! 201: DELAY(1000);
! 202:
! 203: return (0);
! 204: }
! 205:
! 206: static void
! 207: awi_pcmcia_disable(sc)
! 208: struct awi_softc *sc;
! 209: {
! 210: struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc;
! 211: struct pcmcia_function *pf = psc->sc_pf;
! 212:
! 213: pcmcia_intr_disestablish (pf, sc->sc_ih);
! 214: pcmcia_function_disable (pf);
! 215: }
! 216:
! 217: static int
! 218: awi_pcmcia_match(parent, match, aux)
! 219: struct device *parent;
! 220: void *match;
! 221: void *aux;
! 222: {
! 223: struct pcmcia_attach_args *pa = aux;
! 224:
! 225: if (awi_pcmcia_lookup(pa) != NULL)
! 226: return (1);
! 227:
! 228: return (0);
! 229: }
! 230:
! 231: static int
! 232: awi_pcmcia_find(psc, pa, cfe)
! 233: struct awi_pcmcia_softc *psc;
! 234: struct pcmcia_attach_args *pa;
! 235: struct pcmcia_config_entry *cfe;
! 236: {
! 237: struct awi_softc *sc = &psc->sc_awi;
! 238: int fail = 0;
! 239: u_int8_t version[AWI_BANNER_LEN];
! 240:
! 241: /*
! 242: * see if we can read the firmware version sanely
! 243: * through the i/o ports.
! 244: * if not, try a different CIS string..
! 245: */
! 246: if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start,
! 247: cfe->iospace[0].length, AM79C930_IO_ALIGN,
! 248: &psc->sc_pcioh) != 0)
! 249: goto fail;
! 250:
! 251: if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
! 252: &psc->sc_pcioh, &psc->sc_io_window))
! 253: goto fail_io_free;
! 254:
! 255: /* Enable the card. */
! 256: pcmcia_function_init(psc->sc_pf, cfe);
! 257: if (pcmcia_function_enable(psc->sc_pf))
! 258: goto fail_io_unmap;
! 259:
! 260: sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA;
! 261: sc->sc_chip.sc_iot = psc->sc_pcioh.iot;
! 262: sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh;
! 263: am79c930_chip_init(&sc->sc_chip, 0);
! 264:
! 265: DELAY(1000);
! 266:
! 267: awi_read_bytes(sc, AWI_BANNER, version, AWI_BANNER_LEN);
! 268:
! 269: if (memcmp(version, "PCnetMobile:", 12) == 0)
! 270: return (0);
! 271:
! 272: fail++;
! 273: pcmcia_function_disable(psc->sc_pf);
! 274:
! 275: fail_io_unmap:
! 276: fail++;
! 277: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
! 278:
! 279: fail_io_free:
! 280: fail++;
! 281: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
! 282: fail:
! 283: fail++;
! 284: psc->sc_io_window = -1;
! 285: return (fail);
! 286: }
! 287:
! 288: static void
! 289: awi_pcmcia_attach(parent, self, aux)
! 290: struct device *parent, *self;
! 291: void *aux;
! 292: {
! 293: struct awi_pcmcia_softc *psc = (void *)self;
! 294: struct awi_softc *sc = &psc->sc_awi;
! 295: struct awi_pcmcia_product *app;
! 296: struct pcmcia_attach_args *pa = aux;
! 297: struct pcmcia_config_entry *cfe;
! 298: const char *intrstr;
! 299: #if 0
! 300: bus_addr_t memoff;
! 301: #endif
! 302:
! 303: app = awi_pcmcia_lookup(pa);
! 304: if (app == NULL)
! 305: panic("awi_pcmcia_attach: impossible");
! 306:
! 307: psc->sc_pf = pa->pf;
! 308:
! 309: for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
! 310: cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
! 311: if (cfe->iftype != PCMCIA_IFTYPE_IO)
! 312: continue;
! 313: if (cfe->num_iospace < 1)
! 314: continue;
! 315: if (cfe->iospace[0].length < AM79C930_IO_SIZE)
! 316: continue;
! 317:
! 318: if (awi_pcmcia_find(psc, pa, cfe) == 0)
! 319: break;
! 320: }
! 321: if (cfe == NULL) {
! 322: printf(": no suitable CIS info found\n");
! 323: goto no_config_entry;
! 324: }
! 325:
! 326: sc->sc_enabled = 1;
! 327: printf(": %s\n", app->app_name);
! 328:
! 329: psc->sc_mem_window = -1;
! 330: #if 0 /* if memory mode is disabled it futhers futher */
! 331: if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE,
! 332: &psc->sc_memh) != 0) {
! 333: printf("%s: unable to allocate memory space; using i/o only\n",
! 334: sc->sc_dev.dv_xname);
! 335: } else if (pcmcia_mem_map(psc->sc_pf,
! 336: PCMCIA_MEM_COMMON, AM79C930_MEM_BASE,
! 337: AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) {
! 338: printf("%s: unable to map memory space; using i/o only\n",
! 339: sc->sc_dev.dv_xname);
! 340: pcmcia_mem_free(psc->sc_pf, &psc->sc_memh);
! 341: } else {
! 342: sc->sc_chip.sc_memt = psc->sc_memh.memt;
! 343: sc->sc_chip.sc_memh = psc->sc_memh.memh;
! 344: am79c930_chip_init(&sc->sc_chip, 1);
! 345: }
! 346: #endif
! 347:
! 348: sc->sc_enable = awi_pcmcia_enable;
! 349: sc->sc_disable = awi_pcmcia_disable;
! 350:
! 351: /* establish the interrupt. */
! 352: sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET,
! 353: awi_intr, sc, sc->sc_dev.dv_xname);
! 354: intrstr = pcmcia_intr_string(psc->sc_pf, sc->sc_ih);
! 355: if (sc->sc_ih == NULL) {
! 356: printf(", %s\n", intrstr);
! 357: goto no_interrupt;
! 358: }
! 359: if (*intrstr)
! 360: printf(", %s", intrstr);
! 361: sc->sc_ifp = &sc->sc_arpcom.ac_if;
! 362: sc->sc_cansleep = 1;
! 363:
! 364: if (awi_attach(sc) != 0) {
! 365: printf("%s: failed to attach controller\n",
! 366: sc->sc_dev.dv_xname);
! 367: goto attach_failed;
! 368: }
! 369: psc->sc_powerhook = powerhook_establish(awi_pcmcia_powerhook, psc);
! 370:
! 371: sc->sc_enabled = 0;
! 372: /* disable device and disestablish the interrupt */
! 373: awi_pcmcia_disable(sc);
! 374: return;
! 375:
! 376: attach_failed:
! 377: pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
! 378:
! 379: no_interrupt:
! 380: /* Unmap our memory window and space */
! 381: if (psc->sc_mem_window != -1) {
! 382: pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window);
! 383: pcmcia_mem_free(psc->sc_pf, &psc->sc_memh);
! 384: }
! 385:
! 386: /* Unmap our i/o window and space */
! 387: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
! 388: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
! 389:
! 390: /* Disable the function */
! 391: pcmcia_function_disable(psc->sc_pf);
! 392:
! 393: no_config_entry:
! 394: psc->sc_io_window = -1;
! 395: }
! 396:
! 397:
! 398: static int
! 399: awi_pcmcia_detach(self, flags)
! 400: struct device *self;
! 401: int flags;
! 402: {
! 403: struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self;
! 404: int error;
! 405:
! 406: if (psc->sc_io_window == -1)
! 407: /* Nothing to detach. */
! 408: return (0);
! 409:
! 410: if (psc->sc_powerhook != NULL)
! 411: powerhook_disestablish(psc->sc_powerhook);
! 412:
! 413: error = awi_detach(&psc->sc_awi);
! 414: if (error != 0)
! 415: return (error);
! 416:
! 417: /* Unmap our memory window and free memory space */
! 418: if (psc->sc_mem_window != -1) {
! 419: pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window);
! 420: pcmcia_mem_free(psc->sc_pf, &psc->sc_memh);
! 421: }
! 422:
! 423: /* Unmap our i/o window. */
! 424: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
! 425:
! 426: /* Free our i/o space. */
! 427: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
! 428: return (0);
! 429: }
! 430:
! 431: static void
! 432: awi_pcmcia_powerhook(why, arg)
! 433: int why;
! 434: void *arg;
! 435: {
! 436: struct awi_pcmcia_softc *psc = arg;
! 437: struct awi_softc *sc = &psc->sc_awi;
! 438:
! 439: awi_power(sc, why);
! 440: }
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