1 /* $OpenBSD: if_zyd.c,v 1.52 2007/02/11 00:08:04 jsg Exp $ */ 2 /* $NetBSD: if_zyd.c,v 1.7 2007/06/21 04:04:29 kiyohara Exp $ */ 3 /* $FreeBSD$ */ 4 5 /*- 6 * Copyright (c) 2006 by Damien Bergamini <damien.bergamini@free.fr> 7 * Copyright (c) 2006 by Florian Stoehr <ich@florian-stoehr.de> 8 * 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 #include <sys/cdefs.h> 23 __FBSDID("$FreeBSD$"); 24 25 /* 26 * ZyDAS ZD1211/ZD1211B USB WLAN driver. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/sockio.h> 31 #include <sys/sysctl.h> 32 #include <sys/lock.h> 33 #include <sys/mutex.h> 34 #include <sys/condvar.h> 35 #include <sys/mbuf.h> 36 #include <sys/kernel.h> 37 #include <sys/socket.h> 38 #include <sys/systm.h> 39 #include <sys/malloc.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 #include <sys/endian.h> 43 #include <sys/kdb.h> 44 45 #include <machine/bus.h> 46 #include <machine/resource.h> 47 #include <sys/rman.h> 48 49 #include <net/bpf.h> 50 #include <net/if.h> 51 #include <net/if_arp.h> 52 #include <net/ethernet.h> 53 #include <net/if_dl.h> 54 #include <net/if_media.h> 55 #include <net/if_types.h> 56 57 #ifdef INET 58 #include <netinet/in.h> 59 #include <netinet/in_systm.h> 60 #include <netinet/in_var.h> 61 #include <netinet/if_ether.h> 62 #include <netinet/ip.h> 63 #endif 64 65 #include <net80211/ieee80211_var.h> 66 #include <net80211/ieee80211_regdomain.h> 67 #include <net80211/ieee80211_radiotap.h> 68 #include <net80211/ieee80211_ratectl.h> 69 70 #include <dev/usb/usb.h> 71 #include <dev/usb/usbdi.h> 72 #include <dev/usb/usbdi_util.h> 73 #include "usbdevs.h" 74 75 #include <dev/usb/wlan/if_zydreg.h> 76 #include <dev/usb/wlan/if_zydfw.h> 77 78 #ifdef USB_DEBUG 79 static int zyd_debug = 0; 80 81 SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd"); 82 SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RW, &zyd_debug, 0, 83 "zyd debug level"); 84 85 enum { 86 ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 87 ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */ 88 ZYD_DEBUG_RESET = 0x00000004, /* reset processing */ 89 ZYD_DEBUG_INIT = 0x00000008, /* device init */ 90 ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 91 ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 92 ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 93 ZYD_DEBUG_STAT = 0x00000080, /* statistic */ 94 ZYD_DEBUG_FW = 0x00000100, /* firmware */ 95 ZYD_DEBUG_CMD = 0x00000200, /* fw commands */ 96 ZYD_DEBUG_ANY = 0xffffffff 97 }; 98 #define DPRINTF(sc, m, fmt, ...) do { \ 99 if (zyd_debug & (m)) \ 100 printf("%s: " fmt, __func__, ## __VA_ARGS__); \ 101 } while (0) 102 #else 103 #define DPRINTF(sc, m, fmt, ...) do { \ 104 (void) sc; \ 105 } while (0) 106 #endif 107 108 #define zyd_do_request(sc,req,data) \ 109 usbd_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000) 110 111 static device_probe_t zyd_match; 112 static device_attach_t zyd_attach; 113 static device_detach_t zyd_detach; 114 115 static usb_callback_t zyd_intr_read_callback; 116 static usb_callback_t zyd_intr_write_callback; 117 static usb_callback_t zyd_bulk_read_callback; 118 static usb_callback_t zyd_bulk_write_callback; 119 120 static struct ieee80211vap *zyd_vap_create(struct ieee80211com *, 121 const char name[IFNAMSIZ], int unit, int opmode, 122 int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 123 const uint8_t mac[IEEE80211_ADDR_LEN]); 124 static void zyd_vap_delete(struct ieee80211vap *); 125 static void zyd_tx_free(struct zyd_tx_data *, int); 126 static void zyd_setup_tx_list(struct zyd_softc *); 127 static void zyd_unsetup_tx_list(struct zyd_softc *); 128 static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int); 129 static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 130 void *, int, int); 131 static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 132 static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 133 static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 134 static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 135 static int zyd_rfwrite(struct zyd_softc *, uint32_t); 136 static int zyd_lock_phy(struct zyd_softc *); 137 static int zyd_unlock_phy(struct zyd_softc *); 138 static int zyd_rf_attach(struct zyd_softc *, uint8_t); 139 static const char *zyd_rf_name(uint8_t); 140 static int zyd_hw_init(struct zyd_softc *); 141 static int zyd_read_pod(struct zyd_softc *); 142 static int zyd_read_eeprom(struct zyd_softc *); 143 static int zyd_get_macaddr(struct zyd_softc *); 144 static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 145 static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 146 static int zyd_switch_radio(struct zyd_softc *, int); 147 static int zyd_set_led(struct zyd_softc *, int, int); 148 static void zyd_set_multi(struct zyd_softc *); 149 static void zyd_update_mcast(struct ifnet *); 150 static int zyd_set_rxfilter(struct zyd_softc *); 151 static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 152 static int zyd_set_beacon_interval(struct zyd_softc *, int); 153 static void zyd_rx_data(struct usb_xfer *, int, uint16_t); 154 static int zyd_tx_start(struct zyd_softc *, struct mbuf *, 155 struct ieee80211_node *); 156 static void zyd_start(struct ifnet *); 157 static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *, 158 const struct ieee80211_bpf_params *); 159 static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 160 static void zyd_init_locked(struct zyd_softc *); 161 static void zyd_init(void *); 162 static void zyd_stop(struct zyd_softc *); 163 static int zyd_loadfirmware(struct zyd_softc *); 164 static void zyd_scan_start(struct ieee80211com *); 165 static void zyd_scan_end(struct ieee80211com *); 166 static void zyd_set_channel(struct ieee80211com *); 167 static int zyd_rfmd_init(struct zyd_rf *); 168 static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 169 static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 170 static int zyd_al2230_init(struct zyd_rf *); 171 static int zyd_al2230_switch_radio(struct zyd_rf *, int); 172 static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 173 static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t); 174 static int zyd_al2230_init_b(struct zyd_rf *); 175 static int zyd_al7230B_init(struct zyd_rf *); 176 static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 177 static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 178 static int zyd_al2210_init(struct zyd_rf *); 179 static int zyd_al2210_switch_radio(struct zyd_rf *, int); 180 static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 181 static int zyd_gct_init(struct zyd_rf *); 182 static int zyd_gct_switch_radio(struct zyd_rf *, int); 183 static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 184 static int zyd_gct_mode(struct zyd_rf *); 185 static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int); 186 static int zyd_gct_write(struct zyd_rf *, uint16_t); 187 static int zyd_gct_txgain(struct zyd_rf *, uint8_t); 188 static int zyd_maxim2_init(struct zyd_rf *); 189 static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 190 static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 191 192 static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 193 static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 194 195 /* various supported device vendors/products */ 196 #define ZYD_ZD1211 0 197 #define ZYD_ZD1211B 1 198 199 #define ZYD_ZD1211_DEV(v,p) \ 200 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) } 201 #define ZYD_ZD1211B_DEV(v,p) \ 202 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) } 203 static const struct usb_device_id zyd_devs[] = { 204 /* ZYD_ZD1211 */ 205 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 206 ZYD_ZD1211_DEV(ABOCOM, WL54), 207 ZYD_ZD1211_DEV(ASUS, WL159G), 208 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 209 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 210 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 211 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 212 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 213 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 214 ZYD_ZD1211_DEV(SAGEM, XG760A), 215 ZYD_ZD1211_DEV(SENAO, NUB8301), 216 ZYD_ZD1211_DEV(SITECOMEU, WL113), 217 ZYD_ZD1211_DEV(SWEEX, ZD1211), 218 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 219 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 220 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 221 ZYD_ZD1211_DEV(TWINMOS, G240), 222 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 223 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 224 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 225 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 226 ZYD_ZD1211_DEV(ZCOM, ZD1211), 227 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 228 ZYD_ZD1211_DEV(ZYXEL, AG225H), 229 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 230 ZYD_ZD1211_DEV(ZYXEL, G200V2), 231 /* ZYD_ZD1211B */ 232 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 233 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 234 ZYD_ZD1211B_DEV(ASUS, A9T_WIFI), 235 ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000), 236 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 237 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 238 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 239 ZYD_ZD1211B_DEV(MELCO, KG54L), 240 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 241 ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS), 242 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 243 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 244 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 245 ZYD_ZD1211B_DEV(USR, USR5423), 246 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 247 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 248 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 249 ZYD_ZD1211B_DEV(ZYXEL, M202), 250 ZYD_ZD1211B_DEV(ZYXEL, G202), 251 ZYD_ZD1211B_DEV(ZYXEL, G220V2) 252 }; 253 254 static const struct usb_config zyd_config[ZYD_N_TRANSFER] = { 255 [ZYD_BULK_WR] = { 256 .type = UE_BULK, 257 .endpoint = UE_ADDR_ANY, 258 .direction = UE_DIR_OUT, 259 .bufsize = ZYD_MAX_TXBUFSZ, 260 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 261 .callback = zyd_bulk_write_callback, 262 .ep_index = 0, 263 .timeout = 10000, /* 10 seconds */ 264 }, 265 [ZYD_BULK_RD] = { 266 .type = UE_BULK, 267 .endpoint = UE_ADDR_ANY, 268 .direction = UE_DIR_IN, 269 .bufsize = ZYX_MAX_RXBUFSZ, 270 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 271 .callback = zyd_bulk_read_callback, 272 .ep_index = 0, 273 }, 274 [ZYD_INTR_WR] = { 275 .type = UE_BULK_INTR, 276 .endpoint = UE_ADDR_ANY, 277 .direction = UE_DIR_OUT, 278 .bufsize = sizeof(struct zyd_cmd), 279 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 280 .callback = zyd_intr_write_callback, 281 .timeout = 1000, /* 1 second */ 282 .ep_index = 1, 283 }, 284 [ZYD_INTR_RD] = { 285 .type = UE_INTERRUPT, 286 .endpoint = UE_ADDR_ANY, 287 .direction = UE_DIR_IN, 288 .bufsize = sizeof(struct zyd_cmd), 289 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 290 .callback = zyd_intr_read_callback, 291 }, 292 }; 293 #define zyd_read16_m(sc, val, data) do { \ 294 error = zyd_read16(sc, val, data); \ 295 if (error != 0) \ 296 goto fail; \ 297 } while (0) 298 #define zyd_write16_m(sc, val, data) do { \ 299 error = zyd_write16(sc, val, data); \ 300 if (error != 0) \ 301 goto fail; \ 302 } while (0) 303 #define zyd_read32_m(sc, val, data) do { \ 304 error = zyd_read32(sc, val, data); \ 305 if (error != 0) \ 306 goto fail; \ 307 } while (0) 308 #define zyd_write32_m(sc, val, data) do { \ 309 error = zyd_write32(sc, val, data); \ 310 if (error != 0) \ 311 goto fail; \ 312 } while (0) 313 314 static int 315 zyd_match(device_t dev) 316 { 317 struct usb_attach_arg *uaa = device_get_ivars(dev); 318 319 if (uaa->usb_mode != USB_MODE_HOST) 320 return (ENXIO); 321 if (uaa->info.bConfigIndex != ZYD_CONFIG_INDEX) 322 return (ENXIO); 323 if (uaa->info.bIfaceIndex != ZYD_IFACE_INDEX) 324 return (ENXIO); 325 326 return (usbd_lookup_id_by_uaa(zyd_devs, sizeof(zyd_devs), uaa)); 327 } 328 329 static int 330 zyd_attach(device_t dev) 331 { 332 struct usb_attach_arg *uaa = device_get_ivars(dev); 333 struct zyd_softc *sc = device_get_softc(dev); 334 struct ifnet *ifp; 335 struct ieee80211com *ic; 336 uint8_t iface_index, bands; 337 int error; 338 339 if (uaa->info.bcdDevice < 0x4330) { 340 device_printf(dev, "device version mismatch: 0x%X " 341 "(only >= 43.30 supported)\n", 342 uaa->info.bcdDevice); 343 return (EINVAL); 344 } 345 346 device_set_usb_desc(dev); 347 sc->sc_dev = dev; 348 sc->sc_udev = uaa->device; 349 sc->sc_macrev = USB_GET_DRIVER_INFO(uaa); 350 351 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 352 MTX_NETWORK_LOCK, MTX_DEF); 353 STAILQ_INIT(&sc->sc_rqh); 354 355 iface_index = ZYD_IFACE_INDEX; 356 error = usbd_transfer_setup(uaa->device, 357 &iface_index, sc->sc_xfer, zyd_config, 358 ZYD_N_TRANSFER, sc, &sc->sc_mtx); 359 if (error) { 360 device_printf(dev, "could not allocate USB transfers, " 361 "err=%s\n", usbd_errstr(error)); 362 goto detach; 363 } 364 365 ZYD_LOCK(sc); 366 if ((error = zyd_get_macaddr(sc)) != 0) { 367 device_printf(sc->sc_dev, "could not read EEPROM\n"); 368 ZYD_UNLOCK(sc); 369 goto detach; 370 } 371 ZYD_UNLOCK(sc); 372 373 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 374 if (ifp == NULL) { 375 device_printf(sc->sc_dev, "can not if_alloc()\n"); 376 goto detach; 377 } 378 ifp->if_softc = sc; 379 if_initname(ifp, "zyd", device_get_unit(sc->sc_dev)); 380 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 381 ifp->if_init = zyd_init; 382 ifp->if_ioctl = zyd_ioctl; 383 ifp->if_start = zyd_start; 384 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 385 IFQ_SET_READY(&ifp->if_snd); 386 387 ic = ifp->if_l2com; 388 ic->ic_ifp = ifp; 389 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 390 ic->ic_opmode = IEEE80211_M_STA; 391 392 /* set device capabilities */ 393 ic->ic_caps = 394 IEEE80211_C_STA /* station mode */ 395 | IEEE80211_C_MONITOR /* monitor mode */ 396 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 397 | IEEE80211_C_SHSLOT /* short slot time supported */ 398 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 399 | IEEE80211_C_WPA /* 802.11i */ 400 ; 401 402 bands = 0; 403 setbit(&bands, IEEE80211_MODE_11B); 404 setbit(&bands, IEEE80211_MODE_11G); 405 ieee80211_init_channels(ic, NULL, &bands); 406 407 ieee80211_ifattach(ic, sc->sc_bssid); 408 ic->ic_raw_xmit = zyd_raw_xmit; 409 ic->ic_scan_start = zyd_scan_start; 410 ic->ic_scan_end = zyd_scan_end; 411 ic->ic_set_channel = zyd_set_channel; 412 413 ic->ic_vap_create = zyd_vap_create; 414 ic->ic_vap_delete = zyd_vap_delete; 415 ic->ic_update_mcast = zyd_update_mcast; 416 ic->ic_update_promisc = zyd_update_mcast; 417 418 ieee80211_radiotap_attach(ic, 419 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 420 ZYD_TX_RADIOTAP_PRESENT, 421 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 422 ZYD_RX_RADIOTAP_PRESENT); 423 424 if (bootverbose) 425 ieee80211_announce(ic); 426 427 return (0); 428 429 detach: 430 zyd_detach(dev); 431 return (ENXIO); /* failure */ 432 } 433 434 static int 435 zyd_detach(device_t dev) 436 { 437 struct zyd_softc *sc = device_get_softc(dev); 438 struct ifnet *ifp = sc->sc_ifp; 439 struct ieee80211com *ic; 440 441 /* stop all USB transfers */ 442 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 443 444 /* free TX list, if any */ 445 zyd_unsetup_tx_list(sc); 446 447 if (ifp) { 448 ic = ifp->if_l2com; 449 ieee80211_ifdetach(ic); 450 if_free(ifp); 451 } 452 mtx_destroy(&sc->sc_mtx); 453 454 return (0); 455 } 456 457 static struct ieee80211vap * 458 zyd_vap_create(struct ieee80211com *ic, 459 const char name[IFNAMSIZ], int unit, int opmode, int flags, 460 const uint8_t bssid[IEEE80211_ADDR_LEN], 461 const uint8_t mac[IEEE80211_ADDR_LEN]) 462 { 463 struct zyd_vap *zvp; 464 struct ieee80211vap *vap; 465 466 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 467 return (NULL); 468 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap), 469 M_80211_VAP, M_NOWAIT | M_ZERO); 470 if (zvp == NULL) 471 return (NULL); 472 vap = &zvp->vap; 473 /* enable s/w bmiss handling for sta mode */ 474 ieee80211_vap_setup(ic, vap, name, unit, opmode, 475 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 476 477 /* override state transition machine */ 478 zvp->newstate = vap->iv_newstate; 479 vap->iv_newstate = zyd_newstate; 480 481 ieee80211_ratectl_init(vap); 482 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 483 484 /* complete setup */ 485 ieee80211_vap_attach(vap, ieee80211_media_change, 486 ieee80211_media_status); 487 ic->ic_opmode = opmode; 488 return (vap); 489 } 490 491 static void 492 zyd_vap_delete(struct ieee80211vap *vap) 493 { 494 struct zyd_vap *zvp = ZYD_VAP(vap); 495 496 ieee80211_ratectl_deinit(vap); 497 ieee80211_vap_detach(vap); 498 free(zvp, M_80211_VAP); 499 } 500 501 static void 502 zyd_tx_free(struct zyd_tx_data *data, int txerr) 503 { 504 struct zyd_softc *sc = data->sc; 505 506 if (data->m != NULL) { 507 if (data->m->m_flags & M_TXCB) 508 ieee80211_process_callback(data->ni, data->m, 509 txerr ? ETIMEDOUT : 0); 510 m_freem(data->m); 511 data->m = NULL; 512 513 if (txerr == 0) 514 ieee80211_ratectl_tx_complete(data->ni->ni_vap, 515 data->ni, IEEE80211_RATECTL_TX_SUCCESS, NULL, NULL); 516 ieee80211_free_node(data->ni); 517 data->ni = NULL; 518 } 519 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 520 sc->tx_nfree++; 521 } 522 523 static void 524 zyd_setup_tx_list(struct zyd_softc *sc) 525 { 526 struct zyd_tx_data *data; 527 int i; 528 529 sc->tx_nfree = 0; 530 STAILQ_INIT(&sc->tx_q); 531 STAILQ_INIT(&sc->tx_free); 532 533 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 534 data = &sc->tx_data[i]; 535 536 data->sc = sc; 537 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 538 sc->tx_nfree++; 539 } 540 } 541 542 static void 543 zyd_unsetup_tx_list(struct zyd_softc *sc) 544 { 545 struct zyd_tx_data *data; 546 int i; 547 548 /* make sure any subsequent use of the queues will fail */ 549 sc->tx_nfree = 0; 550 STAILQ_INIT(&sc->tx_q); 551 STAILQ_INIT(&sc->tx_free); 552 553 /* free up all node references and mbufs */ 554 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 555 data = &sc->tx_data[i]; 556 557 if (data->m != NULL) { 558 m_freem(data->m); 559 data->m = NULL; 560 } 561 if (data->ni != NULL) { 562 ieee80211_free_node(data->ni); 563 data->ni = NULL; 564 } 565 } 566 } 567 568 static int 569 zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 570 { 571 struct zyd_vap *zvp = ZYD_VAP(vap); 572 struct ieee80211com *ic = vap->iv_ic; 573 struct zyd_softc *sc = ic->ic_ifp->if_softc; 574 struct ieee80211_node *ni; 575 int error; 576 577 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__, 578 ieee80211_state_name[vap->iv_state], 579 ieee80211_state_name[nstate]); 580 581 IEEE80211_UNLOCK(ic); 582 ZYD_LOCK(sc); 583 switch (nstate) { 584 case IEEE80211_S_AUTH: 585 zyd_set_chan(sc, ic->ic_curchan); 586 break; 587 case IEEE80211_S_RUN: 588 ni = vap->iv_bss; 589 if (vap->iv_opmode == IEEE80211_M_MONITOR) 590 break; 591 592 /* turn link LED on */ 593 error = zyd_set_led(sc, ZYD_LED1, 1); 594 if (error != 0) 595 break; 596 597 /* make data LED blink upon Tx */ 598 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 599 600 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 601 zyd_set_bssid(sc, sc->sc_bssid); 602 break; 603 default: 604 break; 605 } 606 fail: 607 ZYD_UNLOCK(sc); 608 IEEE80211_LOCK(ic); 609 return (zvp->newstate(vap, nstate, arg)); 610 } 611 612 /* 613 * Callback handler for interrupt transfer 614 */ 615 static void 616 zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) 617 { 618 struct zyd_softc *sc = usbd_xfer_softc(xfer); 619 struct ifnet *ifp = sc->sc_ifp; 620 struct ieee80211com *ic = ifp->if_l2com; 621 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 622 struct ieee80211_node *ni; 623 struct zyd_cmd *cmd = &sc->sc_ibuf; 624 struct usb_page_cache *pc; 625 int datalen; 626 int actlen; 627 628 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 629 630 switch (USB_GET_STATE(xfer)) { 631 case USB_ST_TRANSFERRED: 632 pc = usbd_xfer_get_frame(xfer, 0); 633 usbd_copy_out(pc, 0, cmd, sizeof(*cmd)); 634 635 switch (le16toh(cmd->code)) { 636 case ZYD_NOTIF_RETRYSTATUS: 637 { 638 struct zyd_notif_retry *retry = 639 (struct zyd_notif_retry *)cmd->data; 640 641 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 642 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 643 le16toh(retry->rate), ether_sprintf(retry->macaddr), 644 le16toh(retry->count)&0xff, le16toh(retry->count)); 645 646 /* 647 * Find the node to which the packet was sent and 648 * update its retry statistics. In BSS mode, this node 649 * is the AP we're associated to so no lookup is 650 * actually needed. 651 */ 652 ni = ieee80211_find_txnode(vap, retry->macaddr); 653 if (ni != NULL) { 654 int retrycnt = 655 (int)(le16toh(retry->count) & 0xff); 656 657 ieee80211_ratectl_tx_complete(vap, ni, 658 IEEE80211_RATECTL_TX_FAILURE, 659 &retrycnt, NULL); 660 ieee80211_free_node(ni); 661 } 662 if (le16toh(retry->count) & 0x100) 663 ifp->if_oerrors++; /* too many retries */ 664 break; 665 } 666 case ZYD_NOTIF_IORD: 667 { 668 struct zyd_rq *rqp; 669 670 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 671 break; /* HMAC interrupt */ 672 673 datalen = actlen - sizeof(cmd->code); 674 datalen -= 2; /* XXX: padding? */ 675 676 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 677 int i, cnt; 678 679 if (rqp->olen != datalen) 680 continue; 681 cnt = rqp->olen / sizeof(struct zyd_pair); 682 for (i = 0; i < cnt; i++) { 683 if (*(((const uint16_t *)rqp->idata) + i) != 684 (((struct zyd_pair *)cmd->data) + i)->reg) 685 break; 686 } 687 if (i != cnt) 688 continue; 689 /* copy answer into caller-supplied buffer */ 690 bcopy(cmd->data, rqp->odata, rqp->olen); 691 DPRINTF(sc, ZYD_DEBUG_CMD, 692 "command %p complete, data = %*D \n", 693 rqp, rqp->olen, rqp->odata, ":"); 694 wakeup(rqp); /* wakeup caller */ 695 break; 696 } 697 if (rqp == NULL) { 698 device_printf(sc->sc_dev, 699 "unexpected IORD notification %*D\n", 700 datalen, cmd->data, ":"); 701 } 702 break; 703 } 704 default: 705 device_printf(sc->sc_dev, "unknown notification %x\n", 706 le16toh(cmd->code)); 707 } 708 709 /* FALLTHROUGH */ 710 case USB_ST_SETUP: 711 tr_setup: 712 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 713 usbd_transfer_submit(xfer); 714 break; 715 716 default: /* Error */ 717 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 718 usbd_errstr(error)); 719 720 if (error != USB_ERR_CANCELLED) { 721 /* try to clear stall first */ 722 usbd_xfer_set_stall(xfer); 723 goto tr_setup; 724 } 725 break; 726 } 727 } 728 729 static void 730 zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) 731 { 732 struct zyd_softc *sc = usbd_xfer_softc(xfer); 733 struct zyd_rq *rqp, *cmd; 734 struct usb_page_cache *pc; 735 736 switch (USB_GET_STATE(xfer)) { 737 case USB_ST_TRANSFERRED: 738 cmd = usbd_xfer_get_priv(xfer); 739 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd); 740 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 741 /* Ensure the cached rq pointer is still valid */ 742 if (rqp == cmd && 743 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 744 wakeup(rqp); /* wakeup caller */ 745 } 746 747 /* FALLTHROUGH */ 748 case USB_ST_SETUP: 749 tr_setup: 750 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 751 if (rqp->flags & ZYD_CMD_FLAG_SENT) 752 continue; 753 754 pc = usbd_xfer_get_frame(xfer, 0); 755 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen); 756 757 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen); 758 usbd_xfer_set_priv(xfer, rqp); 759 rqp->flags |= ZYD_CMD_FLAG_SENT; 760 usbd_transfer_submit(xfer); 761 break; 762 } 763 break; 764 765 default: /* Error */ 766 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 767 usbd_errstr(error)); 768 769 if (error != USB_ERR_CANCELLED) { 770 /* try to clear stall first */ 771 usbd_xfer_set_stall(xfer); 772 goto tr_setup; 773 } 774 break; 775 } 776 } 777 778 static int 779 zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 780 void *odata, int olen, int flags) 781 { 782 struct zyd_cmd cmd; 783 struct zyd_rq rq; 784 int error; 785 786 if (ilen > sizeof(cmd.data)) 787 return (EINVAL); 788 789 cmd.code = htole16(code); 790 bcopy(idata, cmd.data, ilen); 791 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 792 &rq, ilen, idata, ":"); 793 794 rq.cmd = &cmd; 795 rq.idata = idata; 796 rq.odata = odata; 797 rq.ilen = sizeof(uint16_t) + ilen; 798 rq.olen = olen; 799 rq.flags = flags; 800 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 801 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 802 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 803 804 /* wait at most one second for command reply */ 805 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 806 if (error) 807 device_printf(sc->sc_dev, "command timeout\n"); 808 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 809 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 810 &rq, error); 811 812 return (error); 813 } 814 815 static int 816 zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 817 { 818 struct zyd_pair tmp; 819 int error; 820 821 reg = htole16(reg); 822 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 823 ZYD_CMD_FLAG_READ); 824 if (error == 0) 825 *val = le16toh(tmp.val); 826 return (error); 827 } 828 829 static int 830 zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 831 { 832 struct zyd_pair tmp[2]; 833 uint16_t regs[2]; 834 int error; 835 836 regs[0] = htole16(ZYD_REG32_HI(reg)); 837 regs[1] = htole16(ZYD_REG32_LO(reg)); 838 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 839 ZYD_CMD_FLAG_READ); 840 if (error == 0) 841 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 842 return (error); 843 } 844 845 static int 846 zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 847 { 848 struct zyd_pair pair; 849 850 pair.reg = htole16(reg); 851 pair.val = htole16(val); 852 853 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 854 } 855 856 static int 857 zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 858 { 859 struct zyd_pair pair[2]; 860 861 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 862 pair[0].val = htole16(val >> 16); 863 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 864 pair[1].val = htole16(val & 0xffff); 865 866 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 867 } 868 869 static int 870 zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 871 { 872 struct zyd_rf *rf = &sc->sc_rf; 873 struct zyd_rfwrite_cmd req; 874 uint16_t cr203; 875 int error, i; 876 877 zyd_read16_m(sc, ZYD_CR203, &cr203); 878 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 879 880 req.code = htole16(2); 881 req.width = htole16(rf->width); 882 for (i = 0; i < rf->width; i++) { 883 req.bit[i] = htole16(cr203); 884 if (val & (1 << (rf->width - 1 - i))) 885 req.bit[i] |= htole16(ZYD_RF_DATA); 886 } 887 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 888 fail: 889 return (error); 890 } 891 892 static int 893 zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 894 { 895 int error; 896 897 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 898 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 899 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 900 fail: 901 return (error); 902 } 903 904 static int 905 zyd_lock_phy(struct zyd_softc *sc) 906 { 907 int error; 908 uint32_t tmp; 909 910 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 911 tmp &= ~ZYD_UNLOCK_PHY_REGS; 912 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 913 fail: 914 return (error); 915 } 916 917 static int 918 zyd_unlock_phy(struct zyd_softc *sc) 919 { 920 int error; 921 uint32_t tmp; 922 923 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 924 tmp |= ZYD_UNLOCK_PHY_REGS; 925 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 926 fail: 927 return (error); 928 } 929 930 /* 931 * RFMD RF methods. 932 */ 933 static int 934 zyd_rfmd_init(struct zyd_rf *rf) 935 { 936 #define N(a) (sizeof(a) / sizeof((a)[0])) 937 struct zyd_softc *sc = rf->rf_sc; 938 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 939 static const uint32_t rfini[] = ZYD_RFMD_RF; 940 int i, error; 941 942 /* init RF-dependent PHY registers */ 943 for (i = 0; i < N(phyini); i++) { 944 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 945 } 946 947 /* init RFMD radio */ 948 for (i = 0; i < N(rfini); i++) { 949 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 950 return (error); 951 } 952 fail: 953 return (error); 954 #undef N 955 } 956 957 static int 958 zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 959 { 960 int error; 961 struct zyd_softc *sc = rf->rf_sc; 962 963 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 964 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 965 fail: 966 return (error); 967 } 968 969 static int 970 zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 971 { 972 int error; 973 struct zyd_softc *sc = rf->rf_sc; 974 static const struct { 975 uint32_t r1, r2; 976 } rfprog[] = ZYD_RFMD_CHANTABLE; 977 978 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 979 if (error != 0) 980 goto fail; 981 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 982 if (error != 0) 983 goto fail; 984 985 fail: 986 return (error); 987 } 988 989 /* 990 * AL2230 RF methods. 991 */ 992 static int 993 zyd_al2230_init(struct zyd_rf *rf) 994 { 995 #define N(a) (sizeof(a) / sizeof((a)[0])) 996 struct zyd_softc *sc = rf->rf_sc; 997 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 998 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 999 static const struct zyd_phy_pair phypll[] = { 1000 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1001 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1002 }; 1003 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1004 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1005 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1006 int i, error; 1007 1008 /* init RF-dependent PHY registers */ 1009 for (i = 0; i < N(phyini); i++) 1010 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1011 1012 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1013 for (i = 0; i < N(phy2230s); i++) 1014 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1015 } 1016 1017 /* init AL2230 radio */ 1018 for (i = 0; i < N(rfini1); i++) { 1019 error = zyd_rfwrite(sc, rfini1[i]); 1020 if (error != 0) 1021 goto fail; 1022 } 1023 1024 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1025 error = zyd_rfwrite(sc, 0x000824); 1026 else 1027 error = zyd_rfwrite(sc, 0x0005a4); 1028 if (error != 0) 1029 goto fail; 1030 1031 for (i = 0; i < N(rfini2); i++) { 1032 error = zyd_rfwrite(sc, rfini2[i]); 1033 if (error != 0) 1034 goto fail; 1035 } 1036 1037 for (i = 0; i < N(phypll); i++) 1038 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1039 1040 for (i = 0; i < N(rfini3); i++) { 1041 error = zyd_rfwrite(sc, rfini3[i]); 1042 if (error != 0) 1043 goto fail; 1044 } 1045 fail: 1046 return (error); 1047 #undef N 1048 } 1049 1050 static int 1051 zyd_al2230_fini(struct zyd_rf *rf) 1052 { 1053 #define N(a) (sizeof(a) / sizeof((a)[0])) 1054 int error, i; 1055 struct zyd_softc *sc = rf->rf_sc; 1056 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1057 1058 for (i = 0; i < N(phy); i++) 1059 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1060 1061 if (sc->sc_newphy != 0) 1062 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1063 1064 zyd_write16_m(sc, ZYD_CR203, 0x6); 1065 fail: 1066 return (error); 1067 #undef N 1068 } 1069 1070 static int 1071 zyd_al2230_init_b(struct zyd_rf *rf) 1072 { 1073 #define N(a) (sizeof(a) / sizeof((a)[0])) 1074 struct zyd_softc *sc = rf->rf_sc; 1075 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1076 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1077 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1078 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1079 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1080 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1081 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1082 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1083 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1084 int i, error; 1085 1086 for (i = 0; i < N(phy1); i++) 1087 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1088 1089 /* init RF-dependent PHY registers */ 1090 for (i = 0; i < N(phyini); i++) 1091 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1092 1093 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1094 for (i = 0; i < N(phy2230s); i++) 1095 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1096 } 1097 1098 for (i = 0; i < 3; i++) { 1099 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1100 if (error != 0) 1101 return (error); 1102 } 1103 1104 for (i = 0; i < N(rfini_part1); i++) { 1105 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1106 if (error != 0) 1107 return (error); 1108 } 1109 1110 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1111 error = zyd_rfwrite(sc, 0x241000); 1112 else 1113 error = zyd_rfwrite(sc, 0x25a000); 1114 if (error != 0) 1115 goto fail; 1116 1117 for (i = 0; i < N(rfini_part2); i++) { 1118 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1119 if (error != 0) 1120 return (error); 1121 } 1122 1123 for (i = 0; i < N(phy2); i++) 1124 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1125 1126 for (i = 0; i < N(rfini_part3); i++) { 1127 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1128 if (error != 0) 1129 return (error); 1130 } 1131 1132 for (i = 0; i < N(phy3); i++) 1133 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1134 1135 error = zyd_al2230_fini(rf); 1136 fail: 1137 return (error); 1138 #undef N 1139 } 1140 1141 static int 1142 zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1143 { 1144 struct zyd_softc *sc = rf->rf_sc; 1145 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1146 1147 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1148 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1149 fail: 1150 return (error); 1151 } 1152 1153 static int 1154 zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1155 { 1156 #define N(a) (sizeof(a) / sizeof((a)[0])) 1157 int error, i; 1158 struct zyd_softc *sc = rf->rf_sc; 1159 static const struct zyd_phy_pair phy1[] = { 1160 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1161 }; 1162 static const struct { 1163 uint32_t r1, r2, r3; 1164 } rfprog[] = ZYD_AL2230_CHANTABLE; 1165 1166 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1167 if (error != 0) 1168 goto fail; 1169 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1170 if (error != 0) 1171 goto fail; 1172 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1173 if (error != 0) 1174 goto fail; 1175 1176 for (i = 0; i < N(phy1); i++) 1177 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1178 fail: 1179 return (error); 1180 #undef N 1181 } 1182 1183 static int 1184 zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1185 { 1186 #define N(a) (sizeof(a) / sizeof((a)[0])) 1187 int error, i; 1188 struct zyd_softc *sc = rf->rf_sc; 1189 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1190 static const struct { 1191 uint32_t r1, r2, r3; 1192 } rfprog[] = ZYD_AL2230_CHANTABLE_B; 1193 1194 for (i = 0; i < N(phy1); i++) 1195 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1196 1197 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1); 1198 if (error != 0) 1199 goto fail; 1200 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2); 1201 if (error != 0) 1202 goto fail; 1203 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3); 1204 if (error != 0) 1205 goto fail; 1206 error = zyd_al2230_fini(rf); 1207 fail: 1208 return (error); 1209 #undef N 1210 } 1211 1212 #define ZYD_AL2230_PHY_BANDEDGE6 \ 1213 { \ 1214 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1215 { ZYD_CR47, 0x1e } \ 1216 } 1217 1218 static int 1219 zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1220 { 1221 #define N(a) (sizeof(a) / sizeof((a)[0])) 1222 int error = 0, i; 1223 struct zyd_softc *sc = rf->rf_sc; 1224 struct ifnet *ifp = sc->sc_ifp; 1225 struct ieee80211com *ic = ifp->if_l2com; 1226 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1227 int chan = ieee80211_chan2ieee(ic, c); 1228 1229 if (chan == 1 || chan == 11) 1230 r[0].val = 0x12; 1231 1232 for (i = 0; i < N(r); i++) 1233 zyd_write16_m(sc, r[i].reg, r[i].val); 1234 fail: 1235 return (error); 1236 #undef N 1237 } 1238 1239 /* 1240 * AL7230B RF methods. 1241 */ 1242 static int 1243 zyd_al7230B_init(struct zyd_rf *rf) 1244 { 1245 #define N(a) (sizeof(a) / sizeof((a)[0])) 1246 struct zyd_softc *sc = rf->rf_sc; 1247 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1248 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1249 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1250 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1251 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1252 int i, error; 1253 1254 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1255 1256 /* init RF-dependent PHY registers, part one */ 1257 for (i = 0; i < N(phyini_1); i++) 1258 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1259 1260 /* init AL7230B radio, part one */ 1261 for (i = 0; i < N(rfini_1); i++) { 1262 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1263 return (error); 1264 } 1265 /* init RF-dependent PHY registers, part two */ 1266 for (i = 0; i < N(phyini_2); i++) 1267 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1268 1269 /* init AL7230B radio, part two */ 1270 for (i = 0; i < N(rfini_2); i++) { 1271 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1272 return (error); 1273 } 1274 /* init RF-dependent PHY registers, part three */ 1275 for (i = 0; i < N(phyini_3); i++) 1276 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1277 fail: 1278 return (error); 1279 #undef N 1280 } 1281 1282 static int 1283 zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1284 { 1285 int error; 1286 struct zyd_softc *sc = rf->rf_sc; 1287 1288 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1289 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1290 fail: 1291 return (error); 1292 } 1293 1294 static int 1295 zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1296 { 1297 #define N(a) (sizeof(a) / sizeof((a)[0])) 1298 struct zyd_softc *sc = rf->rf_sc; 1299 static const struct { 1300 uint32_t r1, r2; 1301 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1302 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1303 int i, error; 1304 1305 zyd_write16_m(sc, ZYD_CR240, 0x57); 1306 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1307 1308 for (i = 0; i < N(rfsc); i++) { 1309 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1310 return (error); 1311 } 1312 1313 zyd_write16_m(sc, ZYD_CR128, 0x14); 1314 zyd_write16_m(sc, ZYD_CR129, 0x12); 1315 zyd_write16_m(sc, ZYD_CR130, 0x10); 1316 zyd_write16_m(sc, ZYD_CR38, 0x38); 1317 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1318 1319 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1320 if (error != 0) 1321 goto fail; 1322 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1323 if (error != 0) 1324 goto fail; 1325 error = zyd_rfwrite(sc, 0x3c9000); 1326 if (error != 0) 1327 goto fail; 1328 1329 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1330 zyd_write16_m(sc, ZYD_CR203, 0x06); 1331 zyd_write16_m(sc, ZYD_CR240, 0x08); 1332 fail: 1333 return (error); 1334 #undef N 1335 } 1336 1337 /* 1338 * AL2210 RF methods. 1339 */ 1340 static int 1341 zyd_al2210_init(struct zyd_rf *rf) 1342 { 1343 #define N(a) (sizeof(a) / sizeof((a)[0])) 1344 struct zyd_softc *sc = rf->rf_sc; 1345 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1346 static const uint32_t rfini[] = ZYD_AL2210_RF; 1347 uint32_t tmp; 1348 int i, error; 1349 1350 zyd_write32_m(sc, ZYD_CR18, 2); 1351 1352 /* init RF-dependent PHY registers */ 1353 for (i = 0; i < N(phyini); i++) 1354 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1355 1356 /* init AL2210 radio */ 1357 for (i = 0; i < N(rfini); i++) { 1358 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1359 return (error); 1360 } 1361 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1362 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1363 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1364 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1365 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1366 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1367 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1368 zyd_write32_m(sc, ZYD_CR18, 3); 1369 fail: 1370 return (error); 1371 #undef N 1372 } 1373 1374 static int 1375 zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1376 { 1377 /* vendor driver does nothing for this RF chip */ 1378 1379 return (0); 1380 } 1381 1382 static int 1383 zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1384 { 1385 int error; 1386 struct zyd_softc *sc = rf->rf_sc; 1387 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1388 uint32_t tmp; 1389 1390 zyd_write32_m(sc, ZYD_CR18, 2); 1391 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1392 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1393 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1394 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1395 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1396 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1397 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1398 1399 /* actually set the channel */ 1400 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1401 if (error != 0) 1402 goto fail; 1403 1404 zyd_write32_m(sc, ZYD_CR18, 3); 1405 fail: 1406 return (error); 1407 } 1408 1409 /* 1410 * GCT RF methods. 1411 */ 1412 static int 1413 zyd_gct_init(struct zyd_rf *rf) 1414 { 1415 #define ZYD_GCT_INTR_REG 0x85c1 1416 #define N(a) (sizeof(a) / sizeof((a)[0])) 1417 struct zyd_softc *sc = rf->rf_sc; 1418 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1419 static const uint32_t rfini[] = ZYD_GCT_RF; 1420 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1421 int i, idx = -1, error; 1422 uint16_t data; 1423 1424 /* init RF-dependent PHY registers */ 1425 for (i = 0; i < N(phyini); i++) 1426 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1427 1428 /* init cgt radio */ 1429 for (i = 0; i < N(rfini); i++) { 1430 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1431 return (error); 1432 } 1433 1434 error = zyd_gct_mode(rf); 1435 if (error != 0) 1436 return (error); 1437 1438 for (i = 0; i < N(vco) - 1; i++) { 1439 error = zyd_gct_set_channel_synth(rf, 1, 0); 1440 if (error != 0) 1441 goto fail; 1442 error = zyd_gct_write(rf, vco[i][0]); 1443 if (error != 0) 1444 goto fail; 1445 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1446 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1447 if ((data & 0xf) == 0) { 1448 idx = i; 1449 break; 1450 } 1451 } 1452 if (idx == -1) { 1453 error = zyd_gct_set_channel_synth(rf, 1, 1); 1454 if (error != 0) 1455 goto fail; 1456 error = zyd_gct_write(rf, 0x6662); 1457 if (error != 0) 1458 goto fail; 1459 } 1460 1461 rf->idx = idx; 1462 zyd_write16_m(sc, ZYD_CR203, 0x6); 1463 fail: 1464 return (error); 1465 #undef N 1466 #undef ZYD_GCT_INTR_REG 1467 } 1468 1469 static int 1470 zyd_gct_mode(struct zyd_rf *rf) 1471 { 1472 #define N(a) (sizeof(a) / sizeof((a)[0])) 1473 struct zyd_softc *sc = rf->rf_sc; 1474 static const uint32_t mode[] = { 1475 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1476 }; 1477 int i, error; 1478 1479 for (i = 0; i < N(mode); i++) { 1480 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1481 break; 1482 } 1483 return (error); 1484 #undef N 1485 } 1486 1487 static int 1488 zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1489 { 1490 int error, idx = chan - 1; 1491 struct zyd_softc *sc = rf->rf_sc; 1492 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1493 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1494 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1495 1496 error = zyd_rfwrite(sc, 1497 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1498 if (error != 0) 1499 return (error); 1500 return zyd_rfwrite(sc, div_synth[idx]); 1501 } 1502 1503 static int 1504 zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1505 { 1506 struct zyd_softc *sc = rf->rf_sc; 1507 1508 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1509 } 1510 1511 static int 1512 zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1513 { 1514 #define N(a) (sizeof(a) / sizeof((a)[0])) 1515 int error; 1516 struct zyd_softc *sc = rf->rf_sc; 1517 1518 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1519 if (error != 0) 1520 return (error); 1521 1522 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1523 zyd_write16_m(sc, ZYD_CR251, 1524 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1525 fail: 1526 return (error); 1527 } 1528 1529 static int 1530 zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1531 { 1532 #define N(a) (sizeof(a) / sizeof((a)[0])) 1533 int error, i; 1534 struct zyd_softc *sc = rf->rf_sc; 1535 static const struct zyd_phy_pair cmd[] = { 1536 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1537 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1538 }; 1539 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1540 1541 error = zyd_gct_set_channel_synth(rf, chan, 0); 1542 if (error != 0) 1543 goto fail; 1544 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1545 vco[rf->idx][((chan - 1) / 2)]); 1546 if (error != 0) 1547 goto fail; 1548 error = zyd_gct_mode(rf); 1549 if (error != 0) 1550 return (error); 1551 for (i = 0; i < N(cmd); i++) 1552 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1553 error = zyd_gct_txgain(rf, chan); 1554 if (error != 0) 1555 return (error); 1556 zyd_write16_m(sc, ZYD_CR203, 0x6); 1557 fail: 1558 return (error); 1559 #undef N 1560 } 1561 1562 static int 1563 zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1564 { 1565 #define N(a) (sizeof(a) / sizeof((a)[0])) 1566 struct zyd_softc *sc = rf->rf_sc; 1567 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1568 uint8_t idx = sc->sc_pwrint[chan - 1]; 1569 1570 if (idx >= N(txgain)) { 1571 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1572 chan, idx); 1573 return 0; 1574 } 1575 1576 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1577 #undef N 1578 } 1579 1580 /* 1581 * Maxim2 RF methods. 1582 */ 1583 static int 1584 zyd_maxim2_init(struct zyd_rf *rf) 1585 { 1586 #define N(a) (sizeof(a) / sizeof((a)[0])) 1587 struct zyd_softc *sc = rf->rf_sc; 1588 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1589 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1590 uint16_t tmp; 1591 int i, error; 1592 1593 /* init RF-dependent PHY registers */ 1594 for (i = 0; i < N(phyini); i++) 1595 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1596 1597 zyd_read16_m(sc, ZYD_CR203, &tmp); 1598 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1599 1600 /* init maxim2 radio */ 1601 for (i = 0; i < N(rfini); i++) { 1602 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1603 return (error); 1604 } 1605 zyd_read16_m(sc, ZYD_CR203, &tmp); 1606 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1607 fail: 1608 return (error); 1609 #undef N 1610 } 1611 1612 static int 1613 zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1614 { 1615 1616 /* vendor driver does nothing for this RF chip */ 1617 return (0); 1618 } 1619 1620 static int 1621 zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1622 { 1623 #define N(a) (sizeof(a) / sizeof((a)[0])) 1624 struct zyd_softc *sc = rf->rf_sc; 1625 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1626 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1627 static const struct { 1628 uint32_t r1, r2; 1629 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1630 uint16_t tmp; 1631 int i, error; 1632 1633 /* 1634 * Do the same as we do when initializing it, except for the channel 1635 * values coming from the two channel tables. 1636 */ 1637 1638 /* init RF-dependent PHY registers */ 1639 for (i = 0; i < N(phyini); i++) 1640 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1641 1642 zyd_read16_m(sc, ZYD_CR203, &tmp); 1643 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1644 1645 /* first two values taken from the chantables */ 1646 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1647 if (error != 0) 1648 goto fail; 1649 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1650 if (error != 0) 1651 goto fail; 1652 1653 /* init maxim2 radio - skipping the two first values */ 1654 for (i = 2; i < N(rfini); i++) { 1655 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1656 return (error); 1657 } 1658 zyd_read16_m(sc, ZYD_CR203, &tmp); 1659 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1660 fail: 1661 return (error); 1662 #undef N 1663 } 1664 1665 static int 1666 zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1667 { 1668 struct zyd_rf *rf = &sc->sc_rf; 1669 1670 rf->rf_sc = sc; 1671 rf->update_pwr = 1; 1672 1673 switch (type) { 1674 case ZYD_RF_RFMD: 1675 rf->init = zyd_rfmd_init; 1676 rf->switch_radio = zyd_rfmd_switch_radio; 1677 rf->set_channel = zyd_rfmd_set_channel; 1678 rf->width = 24; /* 24-bit RF values */ 1679 break; 1680 case ZYD_RF_AL2230: 1681 case ZYD_RF_AL2230S: 1682 if (sc->sc_macrev == ZYD_ZD1211B) { 1683 rf->init = zyd_al2230_init_b; 1684 rf->set_channel = zyd_al2230_set_channel_b; 1685 } else { 1686 rf->init = zyd_al2230_init; 1687 rf->set_channel = zyd_al2230_set_channel; 1688 } 1689 rf->switch_radio = zyd_al2230_switch_radio; 1690 rf->bandedge6 = zyd_al2230_bandedge6; 1691 rf->width = 24; /* 24-bit RF values */ 1692 break; 1693 case ZYD_RF_AL7230B: 1694 rf->init = zyd_al7230B_init; 1695 rf->switch_radio = zyd_al7230B_switch_radio; 1696 rf->set_channel = zyd_al7230B_set_channel; 1697 rf->width = 24; /* 24-bit RF values */ 1698 break; 1699 case ZYD_RF_AL2210: 1700 rf->init = zyd_al2210_init; 1701 rf->switch_radio = zyd_al2210_switch_radio; 1702 rf->set_channel = zyd_al2210_set_channel; 1703 rf->width = 24; /* 24-bit RF values */ 1704 break; 1705 case ZYD_RF_MAXIM_NEW: 1706 case ZYD_RF_GCT: 1707 rf->init = zyd_gct_init; 1708 rf->switch_radio = zyd_gct_switch_radio; 1709 rf->set_channel = zyd_gct_set_channel; 1710 rf->width = 24; /* 24-bit RF values */ 1711 rf->update_pwr = 0; 1712 break; 1713 case ZYD_RF_MAXIM_NEW2: 1714 rf->init = zyd_maxim2_init; 1715 rf->switch_radio = zyd_maxim2_switch_radio; 1716 rf->set_channel = zyd_maxim2_set_channel; 1717 rf->width = 18; /* 18-bit RF values */ 1718 break; 1719 default: 1720 device_printf(sc->sc_dev, 1721 "sorry, radio \"%s\" is not supported yet\n", 1722 zyd_rf_name(type)); 1723 return (EINVAL); 1724 } 1725 return (0); 1726 } 1727 1728 static const char * 1729 zyd_rf_name(uint8_t type) 1730 { 1731 static const char * const zyd_rfs[] = { 1732 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1733 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1734 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1735 "PHILIPS" 1736 }; 1737 1738 return zyd_rfs[(type > 15) ? 0 : type]; 1739 } 1740 1741 static int 1742 zyd_hw_init(struct zyd_softc *sc) 1743 { 1744 int error; 1745 const struct zyd_phy_pair *phyp; 1746 struct zyd_rf *rf = &sc->sc_rf; 1747 uint16_t val; 1748 1749 /* specify that the plug and play is finished */ 1750 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1751 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1752 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1753 sc->sc_fwbase); 1754 1755 /* retrieve firmware revision number */ 1756 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1757 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1758 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1759 /* set mandatory rates - XXX assumes 802.11b/g */ 1760 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1761 1762 /* disable interrupts */ 1763 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1764 1765 if ((error = zyd_read_pod(sc)) != 0) { 1766 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1767 goto fail; 1768 } 1769 1770 /* PHY init (resetting) */ 1771 error = zyd_lock_phy(sc); 1772 if (error != 0) 1773 goto fail; 1774 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1775 for (; phyp->reg != 0; phyp++) 1776 zyd_write16_m(sc, phyp->reg, phyp->val); 1777 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1778 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1779 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1780 } 1781 error = zyd_unlock_phy(sc); 1782 if (error != 0) 1783 goto fail; 1784 1785 /* HMAC init */ 1786 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1787 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1788 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1789 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1790 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1791 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1792 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1793 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1794 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1795 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1796 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1797 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1798 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1799 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1800 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1801 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1802 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1803 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1804 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1805 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1806 1807 if (sc->sc_macrev == ZYD_ZD1211) { 1808 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1809 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1810 } else { 1811 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1812 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1813 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1814 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1815 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1816 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1817 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1818 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1819 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1820 } 1821 1822 /* init beacon interval to 100ms */ 1823 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1824 goto fail; 1825 1826 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1827 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1828 sc->sc_rfrev); 1829 goto fail; 1830 } 1831 1832 /* RF chip init */ 1833 error = zyd_lock_phy(sc); 1834 if (error != 0) 1835 goto fail; 1836 error = (*rf->init)(rf); 1837 if (error != 0) { 1838 device_printf(sc->sc_dev, 1839 "radio initialization failed, error %d\n", error); 1840 goto fail; 1841 } 1842 error = zyd_unlock_phy(sc); 1843 if (error != 0) 1844 goto fail; 1845 1846 if ((error = zyd_read_eeprom(sc)) != 0) { 1847 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1848 goto fail; 1849 } 1850 1851 fail: return (error); 1852 } 1853 1854 static int 1855 zyd_read_pod(struct zyd_softc *sc) 1856 { 1857 int error; 1858 uint32_t tmp; 1859 1860 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1861 sc->sc_rfrev = tmp & 0x0f; 1862 sc->sc_ledtype = (tmp >> 4) & 0x01; 1863 sc->sc_al2230s = (tmp >> 7) & 0x01; 1864 sc->sc_cckgain = (tmp >> 8) & 0x01; 1865 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1866 sc->sc_parev = (tmp >> 16) & 0x0f; 1867 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1868 sc->sc_newphy = (tmp >> 31) & 0x01; 1869 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1870 fail: 1871 return (error); 1872 } 1873 1874 static int 1875 zyd_read_eeprom(struct zyd_softc *sc) 1876 { 1877 uint16_t val; 1878 int error, i; 1879 1880 /* read Tx power calibration tables */ 1881 for (i = 0; i < 7; i++) { 1882 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1883 sc->sc_pwrcal[i * 2] = val >> 8; 1884 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1885 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1886 sc->sc_pwrint[i * 2] = val >> 8; 1887 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1888 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1889 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1890 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1891 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1892 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1893 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1894 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1895 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1896 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1897 } 1898 fail: 1899 return (error); 1900 } 1901 1902 static int 1903 zyd_get_macaddr(struct zyd_softc *sc) 1904 { 1905 struct usb_device_request req; 1906 usb_error_t error; 1907 1908 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1909 req.bRequest = ZYD_READFWDATAREQ; 1910 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1911 USETW(req.wIndex, 0); 1912 USETW(req.wLength, IEEE80211_ADDR_LEN); 1913 1914 error = zyd_do_request(sc, &req, sc->sc_bssid); 1915 if (error != 0) { 1916 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1917 usbd_errstr(error)); 1918 } 1919 1920 return (error); 1921 } 1922 1923 static int 1924 zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1925 { 1926 int error; 1927 uint32_t tmp; 1928 1929 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1930 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1931 tmp = addr[5] << 8 | addr[4]; 1932 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1933 fail: 1934 return (error); 1935 } 1936 1937 static int 1938 zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1939 { 1940 int error; 1941 uint32_t tmp; 1942 1943 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1944 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1945 tmp = addr[5] << 8 | addr[4]; 1946 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1947 fail: 1948 return (error); 1949 } 1950 1951 static int 1952 zyd_switch_radio(struct zyd_softc *sc, int on) 1953 { 1954 struct zyd_rf *rf = &sc->sc_rf; 1955 int error; 1956 1957 error = zyd_lock_phy(sc); 1958 if (error != 0) 1959 goto fail; 1960 error = (*rf->switch_radio)(rf, on); 1961 if (error != 0) 1962 goto fail; 1963 error = zyd_unlock_phy(sc); 1964 fail: 1965 return (error); 1966 } 1967 1968 static int 1969 zyd_set_led(struct zyd_softc *sc, int which, int on) 1970 { 1971 int error; 1972 uint32_t tmp; 1973 1974 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1975 tmp &= ~which; 1976 if (on) 1977 tmp |= which; 1978 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1979 fail: 1980 return (error); 1981 } 1982 1983 static void 1984 zyd_set_multi(struct zyd_softc *sc) 1985 { 1986 int error; 1987 struct ifnet *ifp = sc->sc_ifp; 1988 struct ieee80211com *ic = ifp->if_l2com; 1989 struct ifmultiaddr *ifma; 1990 uint32_t low, high; 1991 uint8_t v; 1992 1993 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1994 return; 1995 1996 low = 0x00000000; 1997 high = 0x80000000; 1998 1999 if (ic->ic_opmode == IEEE80211_M_MONITOR || 2000 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 2001 low = 0xffffffff; 2002 high = 0xffffffff; 2003 } else { 2004 if_maddr_rlock(ifp); 2005 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2006 if (ifma->ifma_addr->sa_family != AF_LINK) 2007 continue; 2008 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 2009 ifma->ifma_addr))[5] >> 2; 2010 if (v < 32) 2011 low |= 1 << v; 2012 else 2013 high |= 1 << (v - 32); 2014 } 2015 if_maddr_runlock(ifp); 2016 } 2017 2018 /* reprogram multicast global hash table */ 2019 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2020 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2021 fail: 2022 if (error != 0) 2023 device_printf(sc->sc_dev, 2024 "could not set multicast hash table\n"); 2025 } 2026 2027 static void 2028 zyd_update_mcast(struct ifnet *ifp) 2029 { 2030 struct zyd_softc *sc = ifp->if_softc; 2031 2032 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2033 return; 2034 2035 ZYD_LOCK(sc); 2036 zyd_set_multi(sc); 2037 ZYD_UNLOCK(sc); 2038 } 2039 2040 static int 2041 zyd_set_rxfilter(struct zyd_softc *sc) 2042 { 2043 struct ifnet *ifp = sc->sc_ifp; 2044 struct ieee80211com *ic = ifp->if_l2com; 2045 uint32_t rxfilter; 2046 2047 switch (ic->ic_opmode) { 2048 case IEEE80211_M_STA: 2049 rxfilter = ZYD_FILTER_BSS; 2050 break; 2051 case IEEE80211_M_IBSS: 2052 case IEEE80211_M_HOSTAP: 2053 rxfilter = ZYD_FILTER_HOSTAP; 2054 break; 2055 case IEEE80211_M_MONITOR: 2056 rxfilter = ZYD_FILTER_MONITOR; 2057 break; 2058 default: 2059 /* should not get there */ 2060 return (EINVAL); 2061 } 2062 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2063 } 2064 2065 static void 2066 zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2067 { 2068 int error; 2069 struct ifnet *ifp = sc->sc_ifp; 2070 struct ieee80211com *ic = ifp->if_l2com; 2071 struct zyd_rf *rf = &sc->sc_rf; 2072 uint32_t tmp; 2073 int chan; 2074 2075 chan = ieee80211_chan2ieee(ic, c); 2076 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2077 /* XXX should NEVER happen */ 2078 device_printf(sc->sc_dev, 2079 "%s: invalid channel %x\n", __func__, chan); 2080 return; 2081 } 2082 2083 error = zyd_lock_phy(sc); 2084 if (error != 0) 2085 goto fail; 2086 2087 error = (*rf->set_channel)(rf, chan); 2088 if (error != 0) 2089 goto fail; 2090 2091 if (rf->update_pwr) { 2092 /* update Tx power */ 2093 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2094 2095 if (sc->sc_macrev == ZYD_ZD1211B) { 2096 zyd_write16_m(sc, ZYD_CR67, 2097 sc->sc_ofdm36_cal[chan - 1]); 2098 zyd_write16_m(sc, ZYD_CR66, 2099 sc->sc_ofdm48_cal[chan - 1]); 2100 zyd_write16_m(sc, ZYD_CR65, 2101 sc->sc_ofdm54_cal[chan - 1]); 2102 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2103 zyd_write16_m(sc, ZYD_CR69, 0x28); 2104 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2105 } 2106 } 2107 if (sc->sc_cckgain) { 2108 /* set CCK baseband gain from EEPROM */ 2109 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2110 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2111 } 2112 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2113 error = (*rf->bandedge6)(rf, c); 2114 if (error != 0) 2115 goto fail; 2116 } 2117 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2118 2119 error = zyd_unlock_phy(sc); 2120 if (error != 0) 2121 goto fail; 2122 2123 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2124 htole16(c->ic_freq); 2125 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2126 htole16(c->ic_flags); 2127 fail: 2128 return; 2129 } 2130 2131 static int 2132 zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2133 { 2134 int error; 2135 uint32_t val; 2136 2137 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2138 sc->sc_atim_wnd = val; 2139 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2140 sc->sc_pre_tbtt = val; 2141 sc->sc_bcn_int = bintval; 2142 2143 if (sc->sc_bcn_int <= 5) 2144 sc->sc_bcn_int = 5; 2145 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2146 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2147 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2148 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2149 2150 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2151 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2152 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2153 fail: 2154 return (error); 2155 } 2156 2157 static void 2158 zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2159 { 2160 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2161 struct ifnet *ifp = sc->sc_ifp; 2162 struct ieee80211com *ic = ifp->if_l2com; 2163 struct zyd_plcphdr plcp; 2164 struct zyd_rx_stat stat; 2165 struct usb_page_cache *pc; 2166 struct mbuf *m; 2167 int rlen, rssi; 2168 2169 if (len < ZYD_MIN_FRAGSZ) { 2170 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2171 device_get_nameunit(sc->sc_dev), len); 2172 ifp->if_ierrors++; 2173 return; 2174 } 2175 pc = usbd_xfer_get_frame(xfer, 0); 2176 usbd_copy_out(pc, offset, &plcp, sizeof(plcp)); 2177 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat)); 2178 2179 if (stat.flags & ZYD_RX_ERROR) { 2180 DPRINTF(sc, ZYD_DEBUG_RECV, 2181 "%s: RX status indicated error (%x)\n", 2182 device_get_nameunit(sc->sc_dev), stat.flags); 2183 ifp->if_ierrors++; 2184 return; 2185 } 2186 2187 /* compute actual frame length */ 2188 rlen = len - sizeof(struct zyd_plcphdr) - 2189 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2190 2191 /* allocate a mbuf to store the frame */ 2192 if (rlen > MCLBYTES) { 2193 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2194 device_get_nameunit(sc->sc_dev), rlen); 2195 ifp->if_ierrors++; 2196 return; 2197 } else if (rlen > MHLEN) 2198 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 2199 else 2200 m = m_gethdr(M_DONTWAIT, MT_DATA); 2201 if (m == NULL) { 2202 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2203 device_get_nameunit(sc->sc_dev)); 2204 ifp->if_ierrors++; 2205 return; 2206 } 2207 m->m_pkthdr.rcvif = ifp; 2208 m->m_pkthdr.len = m->m_len = rlen; 2209 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen); 2210 2211 if (ieee80211_radiotap_active(ic)) { 2212 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2213 2214 tap->wr_flags = 0; 2215 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2216 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2217 /* XXX toss, no way to express errors */ 2218 if (stat.flags & ZYD_RX_DECRYPTERR) 2219 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2220 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2221 (stat.flags & ZYD_RX_OFDM) ? 2222 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2223 tap->wr_antsignal = stat.rssi + -95; 2224 tap->wr_antnoise = -95; /* XXX */ 2225 } 2226 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2227 2228 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2229 sc->sc_rx_data[sc->sc_rx_count].m = m; 2230 sc->sc_rx_count++; 2231 } 2232 2233 static void 2234 zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 2235 { 2236 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2237 struct ifnet *ifp = sc->sc_ifp; 2238 struct ieee80211com *ic = ifp->if_l2com; 2239 struct ieee80211_node *ni; 2240 struct zyd_rx_desc desc; 2241 struct mbuf *m; 2242 struct usb_page_cache *pc; 2243 uint32_t offset; 2244 uint8_t rssi; 2245 int8_t nf; 2246 int i; 2247 int actlen; 2248 2249 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2250 2251 sc->sc_rx_count = 0; 2252 switch (USB_GET_STATE(xfer)) { 2253 case USB_ST_TRANSFERRED: 2254 pc = usbd_xfer_get_frame(xfer, 0); 2255 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc)); 2256 2257 offset = 0; 2258 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2259 DPRINTF(sc, ZYD_DEBUG_RECV, 2260 "%s: received multi-frame transfer\n", __func__); 2261 2262 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2263 uint16_t len16 = UGETW(desc.len[i]); 2264 2265 if (len16 == 0 || len16 > actlen) 2266 break; 2267 2268 zyd_rx_data(xfer, offset, len16); 2269 2270 /* next frame is aligned on a 32-bit boundary */ 2271 len16 = (len16 + 3) & ~3; 2272 offset += len16; 2273 if (len16 > actlen) 2274 break; 2275 actlen -= len16; 2276 } 2277 } else { 2278 DPRINTF(sc, ZYD_DEBUG_RECV, 2279 "%s: received single-frame transfer\n", __func__); 2280 2281 zyd_rx_data(xfer, 0, actlen); 2282 } 2283 /* FALLTHROUGH */ 2284 case USB_ST_SETUP: 2285 tr_setup: 2286 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2287 usbd_transfer_submit(xfer); 2288 2289 /* 2290 * At the end of a USB callback it is always safe to unlock 2291 * the private mutex of a device! That is why we do the 2292 * "ieee80211_input" here, and not some lines up! 2293 */ 2294 ZYD_UNLOCK(sc); 2295 for (i = 0; i < sc->sc_rx_count; i++) { 2296 rssi = sc->sc_rx_data[i].rssi; 2297 m = sc->sc_rx_data[i].m; 2298 sc->sc_rx_data[i].m = NULL; 2299 2300 nf = -95; /* XXX */ 2301 2302 ni = ieee80211_find_rxnode(ic, 2303 mtod(m, struct ieee80211_frame_min *)); 2304 if (ni != NULL) { 2305 (void)ieee80211_input(ni, m, rssi, nf); 2306 ieee80211_free_node(ni); 2307 } else 2308 (void)ieee80211_input_all(ic, m, rssi, nf); 2309 } 2310 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2311 !IFQ_IS_EMPTY(&ifp->if_snd)) 2312 zyd_start(ifp); 2313 ZYD_LOCK(sc); 2314 break; 2315 2316 default: /* Error */ 2317 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error)); 2318 2319 if (error != USB_ERR_CANCELLED) { 2320 /* try to clear stall first */ 2321 usbd_xfer_set_stall(xfer); 2322 goto tr_setup; 2323 } 2324 break; 2325 } 2326 } 2327 2328 static uint8_t 2329 zyd_plcp_signal(struct zyd_softc *sc, int rate) 2330 { 2331 switch (rate) { 2332 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2333 case 12: 2334 return (0xb); 2335 case 18: 2336 return (0xf); 2337 case 24: 2338 return (0xa); 2339 case 36: 2340 return (0xe); 2341 case 48: 2342 return (0x9); 2343 case 72: 2344 return (0xd); 2345 case 96: 2346 return (0x8); 2347 case 108: 2348 return (0xc); 2349 /* CCK rates (NB: not IEEE std, device-specific) */ 2350 case 2: 2351 return (0x0); 2352 case 4: 2353 return (0x1); 2354 case 11: 2355 return (0x2); 2356 case 22: 2357 return (0x3); 2358 } 2359 2360 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2361 return (0x0); 2362 } 2363 2364 static void 2365 zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 2366 { 2367 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2368 struct ifnet *ifp = sc->sc_ifp; 2369 struct ieee80211vap *vap; 2370 struct zyd_tx_data *data; 2371 struct mbuf *m; 2372 struct usb_page_cache *pc; 2373 int actlen; 2374 2375 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2376 2377 switch (USB_GET_STATE(xfer)) { 2378 case USB_ST_TRANSFERRED: 2379 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2380 actlen); 2381 2382 /* free resources */ 2383 data = usbd_xfer_get_priv(xfer); 2384 zyd_tx_free(data, 0); 2385 usbd_xfer_set_priv(xfer, NULL); 2386 2387 ifp->if_opackets++; 2388 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2389 2390 /* FALLTHROUGH */ 2391 case USB_ST_SETUP: 2392 tr_setup: 2393 data = STAILQ_FIRST(&sc->tx_q); 2394 if (data) { 2395 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2396 m = data->m; 2397 2398 if (m->m_pkthdr.len > ZYD_MAX_TXBUFSZ) { 2399 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2400 m->m_pkthdr.len); 2401 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2402 } 2403 pc = usbd_xfer_get_frame(xfer, 0); 2404 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE); 2405 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0, 2406 m->m_pkthdr.len); 2407 2408 vap = data->ni->ni_vap; 2409 if (ieee80211_radiotap_active_vap(vap)) { 2410 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2411 2412 tap->wt_flags = 0; 2413 tap->wt_rate = data->rate; 2414 2415 ieee80211_radiotap_tx(vap, m); 2416 } 2417 2418 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len); 2419 usbd_xfer_set_priv(xfer, data); 2420 usbd_transfer_submit(xfer); 2421 } 2422 ZYD_UNLOCK(sc); 2423 zyd_start(ifp); 2424 ZYD_LOCK(sc); 2425 break; 2426 2427 default: /* Error */ 2428 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2429 usbd_errstr(error)); 2430 2431 ifp->if_oerrors++; 2432 data = usbd_xfer_get_priv(xfer); 2433 usbd_xfer_set_priv(xfer, NULL); 2434 if (data != NULL) 2435 zyd_tx_free(data, error); 2436 2437 if (error != USB_ERR_CANCELLED) { 2438 if (error == USB_ERR_TIMEOUT) 2439 device_printf(sc->sc_dev, "device timeout\n"); 2440 2441 /* 2442 * Try to clear stall first, also if other 2443 * errors occur, hence clearing stall 2444 * introduces a 50 ms delay: 2445 */ 2446 usbd_xfer_set_stall(xfer); 2447 goto tr_setup; 2448 } 2449 break; 2450 } 2451 } 2452 2453 static int 2454 zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2455 { 2456 struct ieee80211vap *vap = ni->ni_vap; 2457 struct ieee80211com *ic = ni->ni_ic; 2458 struct zyd_tx_desc *desc; 2459 struct zyd_tx_data *data; 2460 struct ieee80211_frame *wh; 2461 const struct ieee80211_txparam *tp; 2462 struct ieee80211_key *k; 2463 int rate, totlen; 2464 static uint8_t ratediv[] = ZYD_TX_RATEDIV; 2465 uint8_t phy; 2466 uint16_t pktlen; 2467 uint32_t bits; 2468 2469 wh = mtod(m0, struct ieee80211_frame *); 2470 data = STAILQ_FIRST(&sc->tx_free); 2471 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2472 sc->tx_nfree--; 2473 2474 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2475 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2476 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2477 rate = tp->mgmtrate; 2478 } else { 2479 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2480 /* for data frames */ 2481 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2482 rate = tp->mcastrate; 2483 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2484 rate = tp->ucastrate; 2485 else { 2486 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2487 rate = ni->ni_txrate; 2488 } 2489 } 2490 2491 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2492 k = ieee80211_crypto_encap(ni, m0); 2493 if (k == NULL) { 2494 m_freem(m0); 2495 return (ENOBUFS); 2496 } 2497 /* packet header may have moved, reset our local pointer */ 2498 wh = mtod(m0, struct ieee80211_frame *); 2499 } 2500 2501 data->ni = ni; 2502 data->m = m0; 2503 data->rate = rate; 2504 2505 /* fill Tx descriptor */ 2506 desc = &data->desc; 2507 phy = zyd_plcp_signal(sc, rate); 2508 desc->phy = phy; 2509 if (ZYD_RATE_IS_OFDM(rate)) { 2510 desc->phy |= ZYD_TX_PHY_OFDM; 2511 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2512 desc->phy |= ZYD_TX_PHY_5GHZ; 2513 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2514 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2515 2516 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2517 desc->len = htole16(totlen); 2518 2519 desc->flags = ZYD_TX_FLAG_BACKOFF; 2520 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2521 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2522 if (totlen > vap->iv_rtsthreshold) { 2523 desc->flags |= ZYD_TX_FLAG_RTS; 2524 } else if (ZYD_RATE_IS_OFDM(rate) && 2525 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2526 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2527 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2528 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2529 desc->flags |= ZYD_TX_FLAG_RTS; 2530 } 2531 } else 2532 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2533 if ((wh->i_fc[0] & 2534 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2535 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2536 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2537 2538 /* actual transmit length (XXX why +10?) */ 2539 pktlen = ZYD_TX_DESC_SIZE + 10; 2540 if (sc->sc_macrev == ZYD_ZD1211) 2541 pktlen += totlen; 2542 desc->pktlen = htole16(pktlen); 2543 2544 bits = (rate == 11) ? (totlen * 16) + 10 : 2545 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2546 desc->plcp_length = htole16(bits / ratediv[phy]); 2547 desc->plcp_service = 0; 2548 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2549 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2550 desc->nextlen = 0; 2551 2552 if (ieee80211_radiotap_active_vap(vap)) { 2553 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2554 2555 tap->wt_flags = 0; 2556 tap->wt_rate = rate; 2557 2558 ieee80211_radiotap_tx(vap, m0); 2559 } 2560 2561 DPRINTF(sc, ZYD_DEBUG_XMIT, 2562 "%s: sending data frame len=%zu rate=%u\n", 2563 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2564 rate); 2565 2566 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2567 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2568 2569 return (0); 2570 } 2571 2572 static void 2573 zyd_start(struct ifnet *ifp) 2574 { 2575 struct zyd_softc *sc = ifp->if_softc; 2576 struct ieee80211_node *ni; 2577 struct mbuf *m; 2578 2579 ZYD_LOCK(sc); 2580 for (;;) { 2581 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2582 if (m == NULL) 2583 break; 2584 if (sc->tx_nfree == 0) { 2585 IFQ_DRV_PREPEND(&ifp->if_snd, m); 2586 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2587 break; 2588 } 2589 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2590 if (zyd_tx_start(sc, m, ni) != 0) { 2591 ieee80211_free_node(ni); 2592 ifp->if_oerrors++; 2593 break; 2594 } 2595 } 2596 ZYD_UNLOCK(sc); 2597 } 2598 2599 static int 2600 zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2601 const struct ieee80211_bpf_params *params) 2602 { 2603 struct ieee80211com *ic = ni->ni_ic; 2604 struct ifnet *ifp = ic->ic_ifp; 2605 struct zyd_softc *sc = ifp->if_softc; 2606 2607 ZYD_LOCK(sc); 2608 /* prevent management frames from being sent if we're not ready */ 2609 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2610 ZYD_UNLOCK(sc); 2611 m_freem(m); 2612 ieee80211_free_node(ni); 2613 return (ENETDOWN); 2614 } 2615 if (sc->tx_nfree == 0) { 2616 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2617 ZYD_UNLOCK(sc); 2618 m_freem(m); 2619 ieee80211_free_node(ni); 2620 return (ENOBUFS); /* XXX */ 2621 } 2622 2623 /* 2624 * Legacy path; interpret frame contents to decide 2625 * precisely how to send the frame. 2626 * XXX raw path 2627 */ 2628 if (zyd_tx_start(sc, m, ni) != 0) { 2629 ZYD_UNLOCK(sc); 2630 ifp->if_oerrors++; 2631 ieee80211_free_node(ni); 2632 return (EIO); 2633 } 2634 ZYD_UNLOCK(sc); 2635 return (0); 2636 } 2637 2638 static int 2639 zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2640 { 2641 struct zyd_softc *sc = ifp->if_softc; 2642 struct ieee80211com *ic = ifp->if_l2com; 2643 struct ifreq *ifr = (struct ifreq *) data; 2644 int error = 0, startall = 0; 2645 2646 switch (cmd) { 2647 case SIOCSIFFLAGS: 2648 ZYD_LOCK(sc); 2649 if (ifp->if_flags & IFF_UP) { 2650 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2651 zyd_init_locked(sc); 2652 startall = 1; 2653 } else 2654 zyd_set_multi(sc); 2655 } else { 2656 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2657 zyd_stop(sc); 2658 } 2659 ZYD_UNLOCK(sc); 2660 if (startall) 2661 ieee80211_start_all(ic); 2662 break; 2663 case SIOCGIFMEDIA: 2664 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2665 break; 2666 case SIOCGIFADDR: 2667 error = ether_ioctl(ifp, cmd, data); 2668 break; 2669 default: 2670 error = EINVAL; 2671 break; 2672 } 2673 return (error); 2674 } 2675 2676 static void 2677 zyd_init_locked(struct zyd_softc *sc) 2678 { 2679 struct ifnet *ifp = sc->sc_ifp; 2680 struct ieee80211com *ic = ifp->if_l2com; 2681 struct usb_config_descriptor *cd; 2682 int error; 2683 uint32_t val; 2684 2685 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2686 2687 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2688 error = zyd_loadfirmware(sc); 2689 if (error != 0) { 2690 device_printf(sc->sc_dev, 2691 "could not load firmware (error=%d)\n", error); 2692 goto fail; 2693 } 2694 2695 /* reset device */ 2696 cd = usbd_get_config_descriptor(sc->sc_udev); 2697 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx, 2698 cd->bConfigurationValue); 2699 if (error) 2700 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2701 2702 error = zyd_hw_init(sc); 2703 if (error) { 2704 device_printf(sc->sc_dev, 2705 "hardware initialization failed\n"); 2706 goto fail; 2707 } 2708 2709 device_printf(sc->sc_dev, 2710 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2711 "BE%x NP%x Gain%x F%x\n", 2712 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2713 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2714 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2715 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2716 sc->sc_cckgain, sc->sc_fix_cr157); 2717 2718 /* read regulatory domain (currently unused) */ 2719 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2720 sc->sc_regdomain = val >> 16; 2721 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2722 sc->sc_regdomain); 2723 2724 /* we'll do software WEP decryption for now */ 2725 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2726 __func__); 2727 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2728 2729 sc->sc_flags |= ZYD_FLAG_INITONCE; 2730 } 2731 2732 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2733 zyd_stop(sc); 2734 2735 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2736 IF_LLADDR(ifp), ":"); 2737 error = zyd_set_macaddr(sc, IF_LLADDR(ifp)); 2738 if (error != 0) 2739 return; 2740 2741 /* set basic rates */ 2742 if (ic->ic_curmode == IEEE80211_MODE_11B) 2743 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2744 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2745 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2746 else /* assumes 802.11b/g */ 2747 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2748 2749 /* promiscuous mode */ 2750 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2751 /* multicast setup */ 2752 zyd_set_multi(sc); 2753 /* set RX filter */ 2754 error = zyd_set_rxfilter(sc); 2755 if (error != 0) 2756 goto fail; 2757 2758 /* switch radio transmitter ON */ 2759 error = zyd_switch_radio(sc, 1); 2760 if (error != 0) 2761 goto fail; 2762 /* set default BSS channel */ 2763 zyd_set_chan(sc, ic->ic_curchan); 2764 2765 /* 2766 * Allocate Tx and Rx xfer queues. 2767 */ 2768 zyd_setup_tx_list(sc); 2769 2770 /* enable interrupts */ 2771 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2772 2773 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2774 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2775 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2776 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2777 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2778 2779 return; 2780 2781 fail: zyd_stop(sc); 2782 return; 2783 } 2784 2785 static void 2786 zyd_init(void *priv) 2787 { 2788 struct zyd_softc *sc = priv; 2789 struct ifnet *ifp = sc->sc_ifp; 2790 struct ieee80211com *ic = ifp->if_l2com; 2791 2792 ZYD_LOCK(sc); 2793 zyd_init_locked(sc); 2794 ZYD_UNLOCK(sc); 2795 2796 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2797 ieee80211_start_all(ic); /* start all vap's */ 2798 } 2799 2800 static void 2801 zyd_stop(struct zyd_softc *sc) 2802 { 2803 struct ifnet *ifp = sc->sc_ifp; 2804 int error; 2805 2806 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2807 2808 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2809 2810 /* 2811 * Drain all the transfers, if not already drained: 2812 */ 2813 ZYD_UNLOCK(sc); 2814 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2815 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2816 ZYD_LOCK(sc); 2817 2818 zyd_unsetup_tx_list(sc); 2819 2820 /* Stop now if the device was never set up */ 2821 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2822 return; 2823 2824 /* switch radio transmitter OFF */ 2825 error = zyd_switch_radio(sc, 0); 2826 if (error != 0) 2827 goto fail; 2828 /* disable Rx */ 2829 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2830 /* disable interrupts */ 2831 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2832 2833 fail: 2834 return; 2835 } 2836 2837 static int 2838 zyd_loadfirmware(struct zyd_softc *sc) 2839 { 2840 struct usb_device_request req; 2841 size_t size; 2842 u_char *fw; 2843 uint8_t stat; 2844 uint16_t addr; 2845 2846 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2847 return (0); 2848 2849 if (sc->sc_macrev == ZYD_ZD1211) { 2850 fw = (u_char *)zd1211_firmware; 2851 size = sizeof(zd1211_firmware); 2852 } else { 2853 fw = (u_char *)zd1211b_firmware; 2854 size = sizeof(zd1211b_firmware); 2855 } 2856 2857 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2858 req.bRequest = ZYD_DOWNLOADREQ; 2859 USETW(req.wIndex, 0); 2860 2861 addr = ZYD_FIRMWARE_START_ADDR; 2862 while (size > 0) { 2863 /* 2864 * When the transfer size is 4096 bytes, it is not 2865 * likely to be able to transfer it. 2866 * The cause is port or machine or chip? 2867 */ 2868 const int mlen = min(size, 64); 2869 2870 DPRINTF(sc, ZYD_DEBUG_FW, 2871 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2872 2873 USETW(req.wValue, addr); 2874 USETW(req.wLength, mlen); 2875 if (zyd_do_request(sc, &req, fw) != 0) 2876 return (EIO); 2877 2878 addr += mlen / 2; 2879 fw += mlen; 2880 size -= mlen; 2881 } 2882 2883 /* check whether the upload succeeded */ 2884 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2885 req.bRequest = ZYD_DOWNLOADSTS; 2886 USETW(req.wValue, 0); 2887 USETW(req.wIndex, 0); 2888 USETW(req.wLength, sizeof(stat)); 2889 if (zyd_do_request(sc, &req, &stat) != 0) 2890 return (EIO); 2891 2892 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2893 2894 return (stat & 0x80) ? (EIO) : (0); 2895 } 2896 2897 static void 2898 zyd_scan_start(struct ieee80211com *ic) 2899 { 2900 struct ifnet *ifp = ic->ic_ifp; 2901 struct zyd_softc *sc = ifp->if_softc; 2902 2903 ZYD_LOCK(sc); 2904 /* want broadcast address while scanning */ 2905 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2906 ZYD_UNLOCK(sc); 2907 } 2908 2909 static void 2910 zyd_scan_end(struct ieee80211com *ic) 2911 { 2912 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2913 2914 ZYD_LOCK(sc); 2915 /* restore previous bssid */ 2916 zyd_set_bssid(sc, sc->sc_bssid); 2917 ZYD_UNLOCK(sc); 2918 } 2919 2920 static void 2921 zyd_set_channel(struct ieee80211com *ic) 2922 { 2923 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2924 2925 ZYD_LOCK(sc); 2926 zyd_set_chan(sc, ic->ic_curchan); 2927 ZYD_UNLOCK(sc); 2928 } 2929 2930 static device_method_t zyd_methods[] = { 2931 /* Device interface */ 2932 DEVMETHOD(device_probe, zyd_match), 2933 DEVMETHOD(device_attach, zyd_attach), 2934 DEVMETHOD(device_detach, zyd_detach), 2935 2936 { 0, 0 } 2937 }; 2938 2939 static driver_t zyd_driver = { 2940 "zyd", 2941 zyd_methods, 2942 sizeof(struct zyd_softc) 2943 }; 2944 2945 static devclass_t zyd_devclass; 2946 2947 DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2948 MODULE_DEPEND(zyd, usb, 1, 1, 1); 2949 MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2950