if_zyd.c revision 212127
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: head/sys/dev/usb/wlan/if_zyd.c 212127 2010-09-02 03:28:03Z thompsa $ */ 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: head/sys/dev/usb/wlan/if_zyd.c 212127 2010-09-02 03:28:03Z thompsa $"); 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 79static int zyd_debug = 0; 80 81SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd"); 82SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RW, &zyd_debug, 0, 83 "zyd debug level"); 84 85enum { 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 111static device_probe_t zyd_match; 112static device_attach_t zyd_attach; 113static device_detach_t zyd_detach; 114 115static usb_callback_t zyd_intr_read_callback; 116static usb_callback_t zyd_intr_write_callback; 117static usb_callback_t zyd_bulk_read_callback; 118static usb_callback_t zyd_bulk_write_callback; 119 120static 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]); 124static void zyd_vap_delete(struct ieee80211vap *); 125static void zyd_tx_free(struct zyd_tx_data *, int); 126static void zyd_setup_tx_list(struct zyd_softc *); 127static void zyd_unsetup_tx_list(struct zyd_softc *); 128static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int); 129static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 130 void *, int, int); 131static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 132static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 133static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 134static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 135static int zyd_rfwrite(struct zyd_softc *, uint32_t); 136static int zyd_lock_phy(struct zyd_softc *); 137static int zyd_unlock_phy(struct zyd_softc *); 138static int zyd_rf_attach(struct zyd_softc *, uint8_t); 139static const char *zyd_rf_name(uint8_t); 140static int zyd_hw_init(struct zyd_softc *); 141static int zyd_read_pod(struct zyd_softc *); 142static int zyd_read_eeprom(struct zyd_softc *); 143static int zyd_get_macaddr(struct zyd_softc *); 144static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 145static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 146static int zyd_switch_radio(struct zyd_softc *, int); 147static int zyd_set_led(struct zyd_softc *, int, int); 148static void zyd_set_multi(struct zyd_softc *); 149static void zyd_update_mcast(struct ifnet *); 150static int zyd_set_rxfilter(struct zyd_softc *); 151static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 152static int zyd_set_beacon_interval(struct zyd_softc *, int); 153static void zyd_rx_data(struct usb_xfer *, int, uint16_t); 154static int zyd_tx_start(struct zyd_softc *, struct mbuf *, 155 struct ieee80211_node *); 156static void zyd_start(struct ifnet *); 157static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *, 158 const struct ieee80211_bpf_params *); 159static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 160static void zyd_init_locked(struct zyd_softc *); 161static void zyd_init(void *); 162static void zyd_stop(struct zyd_softc *); 163static int zyd_loadfirmware(struct zyd_softc *); 164static void zyd_scan_start(struct ieee80211com *); 165static void zyd_scan_end(struct ieee80211com *); 166static void zyd_set_channel(struct ieee80211com *); 167static int zyd_rfmd_init(struct zyd_rf *); 168static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 169static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 170static int zyd_al2230_init(struct zyd_rf *); 171static int zyd_al2230_switch_radio(struct zyd_rf *, int); 172static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 173static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t); 174static int zyd_al2230_init_b(struct zyd_rf *); 175static int zyd_al7230B_init(struct zyd_rf *); 176static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 177static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 178static int zyd_al2210_init(struct zyd_rf *); 179static int zyd_al2210_switch_radio(struct zyd_rf *, int); 180static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 181static int zyd_gct_init(struct zyd_rf *); 182static int zyd_gct_switch_radio(struct zyd_rf *, int); 183static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 184static int zyd_gct_mode(struct zyd_rf *); 185static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int); 186static int zyd_gct_write(struct zyd_rf *, uint16_t); 187static int zyd_gct_txgain(struct zyd_rf *, uint8_t); 188static int zyd_maxim2_init(struct zyd_rf *); 189static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 190static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 191 192static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 193static 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) } 203static 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 254static 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 314static int 315zyd_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 329static int 330zyd_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 | IEEE80211_C_RATECTL /* use ratectl */ 401 ; 402 403 bands = 0; 404 setbit(&bands, IEEE80211_MODE_11B); 405 setbit(&bands, IEEE80211_MODE_11G); 406 ieee80211_init_channels(ic, NULL, &bands); 407 408 ieee80211_ifattach(ic, sc->sc_bssid); 409 ic->ic_raw_xmit = zyd_raw_xmit; 410 ic->ic_scan_start = zyd_scan_start; 411 ic->ic_scan_end = zyd_scan_end; 412 ic->ic_set_channel = zyd_set_channel; 413 414 ic->ic_vap_create = zyd_vap_create; 415 ic->ic_vap_delete = zyd_vap_delete; 416 ic->ic_update_mcast = zyd_update_mcast; 417 ic->ic_update_promisc = zyd_update_mcast; 418 419 ieee80211_radiotap_attach(ic, 420 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 421 ZYD_TX_RADIOTAP_PRESENT, 422 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 423 ZYD_RX_RADIOTAP_PRESENT); 424 425 if (bootverbose) 426 ieee80211_announce(ic); 427 428 return (0); 429 430detach: 431 zyd_detach(dev); 432 return (ENXIO); /* failure */ 433} 434 435static int 436zyd_detach(device_t dev) 437{ 438 struct zyd_softc *sc = device_get_softc(dev); 439 struct ifnet *ifp = sc->sc_ifp; 440 struct ieee80211com *ic; 441 442 /* stop all USB transfers */ 443 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 444 445 /* free TX list, if any */ 446 zyd_unsetup_tx_list(sc); 447 448 if (ifp) { 449 ic = ifp->if_l2com; 450 ieee80211_ifdetach(ic); 451 if_free(ifp); 452 } 453 mtx_destroy(&sc->sc_mtx); 454 455 return (0); 456} 457 458static struct ieee80211vap * 459zyd_vap_create(struct ieee80211com *ic, 460 const char name[IFNAMSIZ], int unit, int opmode, int flags, 461 const uint8_t bssid[IEEE80211_ADDR_LEN], 462 const uint8_t mac[IEEE80211_ADDR_LEN]) 463{ 464 struct zyd_vap *zvp; 465 struct ieee80211vap *vap; 466 467 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 468 return (NULL); 469 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap), 470 M_80211_VAP, M_NOWAIT | M_ZERO); 471 if (zvp == NULL) 472 return (NULL); 473 vap = &zvp->vap; 474 /* enable s/w bmiss handling for sta mode */ 475 ieee80211_vap_setup(ic, vap, name, unit, opmode, 476 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 477 478 /* override state transition machine */ 479 zvp->newstate = vap->iv_newstate; 480 vap->iv_newstate = zyd_newstate; 481 482 ieee80211_ratectl_init(vap); 483 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 484 485 /* complete setup */ 486 ieee80211_vap_attach(vap, ieee80211_media_change, 487 ieee80211_media_status); 488 ic->ic_opmode = opmode; 489 return (vap); 490} 491 492static void 493zyd_vap_delete(struct ieee80211vap *vap) 494{ 495 struct zyd_vap *zvp = ZYD_VAP(vap); 496 497 ieee80211_ratectl_deinit(vap); 498 ieee80211_vap_detach(vap); 499 free(zvp, M_80211_VAP); 500} 501 502static void 503zyd_tx_free(struct zyd_tx_data *data, int txerr) 504{ 505 struct zyd_softc *sc = data->sc; 506 507 if (data->m != NULL) { 508 if (data->m->m_flags & M_TXCB) 509 ieee80211_process_callback(data->ni, data->m, 510 txerr ? ETIMEDOUT : 0); 511 m_freem(data->m); 512 data->m = NULL; 513 514 if (txerr == 0) 515 ieee80211_ratectl_tx_complete(data->ni->ni_vap, 516 data->ni, IEEE80211_RATECTL_TX_SUCCESS, NULL, NULL); 517 ieee80211_free_node(data->ni); 518 data->ni = NULL; 519 } 520 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 521 sc->tx_nfree++; 522} 523 524static void 525zyd_setup_tx_list(struct zyd_softc *sc) 526{ 527 struct zyd_tx_data *data; 528 int i; 529 530 sc->tx_nfree = 0; 531 STAILQ_INIT(&sc->tx_q); 532 STAILQ_INIT(&sc->tx_free); 533 534 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 535 data = &sc->tx_data[i]; 536 537 data->sc = sc; 538 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 539 sc->tx_nfree++; 540 } 541} 542 543static void 544zyd_unsetup_tx_list(struct zyd_softc *sc) 545{ 546 struct zyd_tx_data *data; 547 int i; 548 549 /* make sure any subsequent use of the queues will fail */ 550 sc->tx_nfree = 0; 551 STAILQ_INIT(&sc->tx_q); 552 STAILQ_INIT(&sc->tx_free); 553 554 /* free up all node references and mbufs */ 555 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 556 data = &sc->tx_data[i]; 557 558 if (data->m != NULL) { 559 m_freem(data->m); 560 data->m = NULL; 561 } 562 if (data->ni != NULL) { 563 ieee80211_free_node(data->ni); 564 data->ni = NULL; 565 } 566 } 567} 568 569static int 570zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 571{ 572 struct zyd_vap *zvp = ZYD_VAP(vap); 573 struct ieee80211com *ic = vap->iv_ic; 574 struct zyd_softc *sc = ic->ic_ifp->if_softc; 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 if (vap->iv_opmode == IEEE80211_M_MONITOR) 589 break; 590 591 /* turn link LED on */ 592 error = zyd_set_led(sc, ZYD_LED1, 1); 593 if (error != 0) 594 break; 595 596 /* make data LED blink upon Tx */ 597 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 598 599 IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid); 600 zyd_set_bssid(sc, sc->sc_bssid); 601 break; 602 default: 603 break; 604 } 605fail: 606 ZYD_UNLOCK(sc); 607 IEEE80211_LOCK(ic); 608 return (zvp->newstate(vap, nstate, arg)); 609} 610 611/* 612 * Callback handler for interrupt transfer 613 */ 614static void 615zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) 616{ 617 struct zyd_softc *sc = usbd_xfer_softc(xfer); 618 struct ifnet *ifp = sc->sc_ifp; 619 struct ieee80211com *ic = ifp->if_l2com; 620 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 621 struct ieee80211_node *ni; 622 struct zyd_cmd *cmd = &sc->sc_ibuf; 623 struct usb_page_cache *pc; 624 int datalen; 625 int actlen; 626 627 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 628 629 switch (USB_GET_STATE(xfer)) { 630 case USB_ST_TRANSFERRED: 631 pc = usbd_xfer_get_frame(xfer, 0); 632 usbd_copy_out(pc, 0, cmd, sizeof(*cmd)); 633 634 switch (le16toh(cmd->code)) { 635 case ZYD_NOTIF_RETRYSTATUS: 636 { 637 struct zyd_notif_retry *retry = 638 (struct zyd_notif_retry *)cmd->data; 639 640 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 641 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 642 le16toh(retry->rate), ether_sprintf(retry->macaddr), 643 le16toh(retry->count)&0xff, le16toh(retry->count)); 644 645 /* 646 * Find the node to which the packet was sent and 647 * update its retry statistics. In BSS mode, this node 648 * is the AP we're associated to so no lookup is 649 * actually needed. 650 */ 651 ni = ieee80211_find_txnode(vap, retry->macaddr); 652 if (ni != NULL) { 653 int retrycnt = 654 (int)(le16toh(retry->count) & 0xff); 655 656 ieee80211_ratectl_tx_complete(vap, ni, 657 IEEE80211_RATECTL_TX_FAILURE, 658 &retrycnt, NULL); 659 ieee80211_free_node(ni); 660 } 661 if (le16toh(retry->count) & 0x100) 662 ifp->if_oerrors++; /* too many retries */ 663 break; 664 } 665 case ZYD_NOTIF_IORD: 666 { 667 struct zyd_rq *rqp; 668 669 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 670 break; /* HMAC interrupt */ 671 672 datalen = actlen - sizeof(cmd->code); 673 datalen -= 2; /* XXX: padding? */ 674 675 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 676 int i, cnt; 677 678 if (rqp->olen != datalen) 679 continue; 680 cnt = rqp->olen / sizeof(struct zyd_pair); 681 for (i = 0; i < cnt; i++) { 682 if (*(((const uint16_t *)rqp->idata) + i) != 683 (((struct zyd_pair *)cmd->data) + i)->reg) 684 break; 685 } 686 if (i != cnt) 687 continue; 688 /* copy answer into caller-supplied buffer */ 689 bcopy(cmd->data, rqp->odata, rqp->olen); 690 DPRINTF(sc, ZYD_DEBUG_CMD, 691 "command %p complete, data = %*D \n", 692 rqp, rqp->olen, rqp->odata, ":"); 693 wakeup(rqp); /* wakeup caller */ 694 break; 695 } 696 if (rqp == NULL) { 697 device_printf(sc->sc_dev, 698 "unexpected IORD notification %*D\n", 699 datalen, cmd->data, ":"); 700 } 701 break; 702 } 703 default: 704 device_printf(sc->sc_dev, "unknown notification %x\n", 705 le16toh(cmd->code)); 706 } 707 708 /* FALLTHROUGH */ 709 case USB_ST_SETUP: 710tr_setup: 711 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 712 usbd_transfer_submit(xfer); 713 break; 714 715 default: /* Error */ 716 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 717 usbd_errstr(error)); 718 719 if (error != USB_ERR_CANCELLED) { 720 /* try to clear stall first */ 721 usbd_xfer_set_stall(xfer); 722 goto tr_setup; 723 } 724 break; 725 } 726} 727 728static void 729zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) 730{ 731 struct zyd_softc *sc = usbd_xfer_softc(xfer); 732 struct zyd_rq *rqp, *cmd; 733 struct usb_page_cache *pc; 734 735 switch (USB_GET_STATE(xfer)) { 736 case USB_ST_TRANSFERRED: 737 cmd = usbd_xfer_get_priv(xfer); 738 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd); 739 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 740 /* Ensure the cached rq pointer is still valid */ 741 if (rqp == cmd && 742 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 743 wakeup(rqp); /* wakeup caller */ 744 } 745 746 /* FALLTHROUGH */ 747 case USB_ST_SETUP: 748tr_setup: 749 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 750 if (rqp->flags & ZYD_CMD_FLAG_SENT) 751 continue; 752 753 pc = usbd_xfer_get_frame(xfer, 0); 754 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen); 755 756 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen); 757 usbd_xfer_set_priv(xfer, rqp); 758 rqp->flags |= ZYD_CMD_FLAG_SENT; 759 usbd_transfer_submit(xfer); 760 break; 761 } 762 break; 763 764 default: /* Error */ 765 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 766 usbd_errstr(error)); 767 768 if (error != USB_ERR_CANCELLED) { 769 /* try to clear stall first */ 770 usbd_xfer_set_stall(xfer); 771 goto tr_setup; 772 } 773 break; 774 } 775} 776 777static int 778zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 779 void *odata, int olen, int flags) 780{ 781 struct zyd_cmd cmd; 782 struct zyd_rq rq; 783 int error; 784 785 if (ilen > sizeof(cmd.data)) 786 return (EINVAL); 787 788 cmd.code = htole16(code); 789 bcopy(idata, cmd.data, ilen); 790 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 791 &rq, ilen, idata, ":"); 792 793 rq.cmd = &cmd; 794 rq.idata = idata; 795 rq.odata = odata; 796 rq.ilen = sizeof(uint16_t) + ilen; 797 rq.olen = olen; 798 rq.flags = flags; 799 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 800 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 801 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 802 803 /* wait at most one second for command reply */ 804 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 805 if (error) 806 device_printf(sc->sc_dev, "command timeout\n"); 807 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 808 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 809 &rq, error); 810 811 return (error); 812} 813 814static int 815zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 816{ 817 struct zyd_pair tmp; 818 int error; 819 820 reg = htole16(reg); 821 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 822 ZYD_CMD_FLAG_READ); 823 if (error == 0) 824 *val = le16toh(tmp.val); 825 return (error); 826} 827 828static int 829zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 830{ 831 struct zyd_pair tmp[2]; 832 uint16_t regs[2]; 833 int error; 834 835 regs[0] = htole16(ZYD_REG32_HI(reg)); 836 regs[1] = htole16(ZYD_REG32_LO(reg)); 837 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 838 ZYD_CMD_FLAG_READ); 839 if (error == 0) 840 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 841 return (error); 842} 843 844static int 845zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 846{ 847 struct zyd_pair pair; 848 849 pair.reg = htole16(reg); 850 pair.val = htole16(val); 851 852 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 853} 854 855static int 856zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 857{ 858 struct zyd_pair pair[2]; 859 860 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 861 pair[0].val = htole16(val >> 16); 862 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 863 pair[1].val = htole16(val & 0xffff); 864 865 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 866} 867 868static int 869zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 870{ 871 struct zyd_rf *rf = &sc->sc_rf; 872 struct zyd_rfwrite_cmd req; 873 uint16_t cr203; 874 int error, i; 875 876 zyd_read16_m(sc, ZYD_CR203, &cr203); 877 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 878 879 req.code = htole16(2); 880 req.width = htole16(rf->width); 881 for (i = 0; i < rf->width; i++) { 882 req.bit[i] = htole16(cr203); 883 if (val & (1 << (rf->width - 1 - i))) 884 req.bit[i] |= htole16(ZYD_RF_DATA); 885 } 886 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 887fail: 888 return (error); 889} 890 891static int 892zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 893{ 894 int error; 895 896 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 897 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 898 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 899fail: 900 return (error); 901} 902 903static int 904zyd_lock_phy(struct zyd_softc *sc) 905{ 906 int error; 907 uint32_t tmp; 908 909 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 910 tmp &= ~ZYD_UNLOCK_PHY_REGS; 911 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 912fail: 913 return (error); 914} 915 916static int 917zyd_unlock_phy(struct zyd_softc *sc) 918{ 919 int error; 920 uint32_t tmp; 921 922 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 923 tmp |= ZYD_UNLOCK_PHY_REGS; 924 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 925fail: 926 return (error); 927} 928 929/* 930 * RFMD RF methods. 931 */ 932static int 933zyd_rfmd_init(struct zyd_rf *rf) 934{ 935#define N(a) (sizeof(a) / sizeof((a)[0])) 936 struct zyd_softc *sc = rf->rf_sc; 937 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 938 static const uint32_t rfini[] = ZYD_RFMD_RF; 939 int i, error; 940 941 /* init RF-dependent PHY registers */ 942 for (i = 0; i < N(phyini); i++) { 943 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 944 } 945 946 /* init RFMD radio */ 947 for (i = 0; i < N(rfini); i++) { 948 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 949 return (error); 950 } 951fail: 952 return (error); 953#undef N 954} 955 956static int 957zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 958{ 959 int error; 960 struct zyd_softc *sc = rf->rf_sc; 961 962 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 963 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 964fail: 965 return (error); 966} 967 968static int 969zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 970{ 971 int error; 972 struct zyd_softc *sc = rf->rf_sc; 973 static const struct { 974 uint32_t r1, r2; 975 } rfprog[] = ZYD_RFMD_CHANTABLE; 976 977 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 978 if (error != 0) 979 goto fail; 980 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 981 if (error != 0) 982 goto fail; 983 984fail: 985 return (error); 986} 987 988/* 989 * AL2230 RF methods. 990 */ 991static int 992zyd_al2230_init(struct zyd_rf *rf) 993{ 994#define N(a) (sizeof(a) / sizeof((a)[0])) 995 struct zyd_softc *sc = rf->rf_sc; 996 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 997 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 998 static const struct zyd_phy_pair phypll[] = { 999 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1000 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1001 }; 1002 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1003 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1004 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1005 int i, error; 1006 1007 /* init RF-dependent PHY registers */ 1008 for (i = 0; i < N(phyini); i++) 1009 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1010 1011 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1012 for (i = 0; i < N(phy2230s); i++) 1013 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1014 } 1015 1016 /* init AL2230 radio */ 1017 for (i = 0; i < N(rfini1); i++) { 1018 error = zyd_rfwrite(sc, rfini1[i]); 1019 if (error != 0) 1020 goto fail; 1021 } 1022 1023 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1024 error = zyd_rfwrite(sc, 0x000824); 1025 else 1026 error = zyd_rfwrite(sc, 0x0005a4); 1027 if (error != 0) 1028 goto fail; 1029 1030 for (i = 0; i < N(rfini2); i++) { 1031 error = zyd_rfwrite(sc, rfini2[i]); 1032 if (error != 0) 1033 goto fail; 1034 } 1035 1036 for (i = 0; i < N(phypll); i++) 1037 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1038 1039 for (i = 0; i < N(rfini3); i++) { 1040 error = zyd_rfwrite(sc, rfini3[i]); 1041 if (error != 0) 1042 goto fail; 1043 } 1044fail: 1045 return (error); 1046#undef N 1047} 1048 1049static int 1050zyd_al2230_fini(struct zyd_rf *rf) 1051{ 1052#define N(a) (sizeof(a) / sizeof((a)[0])) 1053 int error, i; 1054 struct zyd_softc *sc = rf->rf_sc; 1055 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1056 1057 for (i = 0; i < N(phy); i++) 1058 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1059 1060 if (sc->sc_newphy != 0) 1061 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1062 1063 zyd_write16_m(sc, ZYD_CR203, 0x6); 1064fail: 1065 return (error); 1066#undef N 1067} 1068 1069static int 1070zyd_al2230_init_b(struct zyd_rf *rf) 1071{ 1072#define N(a) (sizeof(a) / sizeof((a)[0])) 1073 struct zyd_softc *sc = rf->rf_sc; 1074 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1075 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1076 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1077 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1078 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1079 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1080 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1081 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1082 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1083 int i, error; 1084 1085 for (i = 0; i < N(phy1); i++) 1086 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1087 1088 /* init RF-dependent PHY registers */ 1089 for (i = 0; i < N(phyini); i++) 1090 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1091 1092 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1093 for (i = 0; i < N(phy2230s); i++) 1094 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1095 } 1096 1097 for (i = 0; i < 3; i++) { 1098 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1099 if (error != 0) 1100 return (error); 1101 } 1102 1103 for (i = 0; i < N(rfini_part1); i++) { 1104 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1105 if (error != 0) 1106 return (error); 1107 } 1108 1109 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1110 error = zyd_rfwrite(sc, 0x241000); 1111 else 1112 error = zyd_rfwrite(sc, 0x25a000); 1113 if (error != 0) 1114 goto fail; 1115 1116 for (i = 0; i < N(rfini_part2); i++) { 1117 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1118 if (error != 0) 1119 return (error); 1120 } 1121 1122 for (i = 0; i < N(phy2); i++) 1123 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1124 1125 for (i = 0; i < N(rfini_part3); i++) { 1126 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1127 if (error != 0) 1128 return (error); 1129 } 1130 1131 for (i = 0; i < N(phy3); i++) 1132 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1133 1134 error = zyd_al2230_fini(rf); 1135fail: 1136 return (error); 1137#undef N 1138} 1139 1140static int 1141zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1142{ 1143 struct zyd_softc *sc = rf->rf_sc; 1144 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1145 1146 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1147 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1148fail: 1149 return (error); 1150} 1151 1152static int 1153zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1154{ 1155#define N(a) (sizeof(a) / sizeof((a)[0])) 1156 int error, i; 1157 struct zyd_softc *sc = rf->rf_sc; 1158 static const struct zyd_phy_pair phy1[] = { 1159 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1160 }; 1161 static const struct { 1162 uint32_t r1, r2, r3; 1163 } rfprog[] = ZYD_AL2230_CHANTABLE; 1164 1165 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1166 if (error != 0) 1167 goto fail; 1168 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1169 if (error != 0) 1170 goto fail; 1171 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1172 if (error != 0) 1173 goto fail; 1174 1175 for (i = 0; i < N(phy1); i++) 1176 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1177fail: 1178 return (error); 1179#undef N 1180} 1181 1182static int 1183zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1184{ 1185#define N(a) (sizeof(a) / sizeof((a)[0])) 1186 int error, i; 1187 struct zyd_softc *sc = rf->rf_sc; 1188 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1189 static const struct { 1190 uint32_t r1, r2, r3; 1191 } rfprog[] = ZYD_AL2230_CHANTABLE_B; 1192 1193 for (i = 0; i < N(phy1); i++) 1194 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1195 1196 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1); 1197 if (error != 0) 1198 goto fail; 1199 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2); 1200 if (error != 0) 1201 goto fail; 1202 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3); 1203 if (error != 0) 1204 goto fail; 1205 error = zyd_al2230_fini(rf); 1206fail: 1207 return (error); 1208#undef N 1209} 1210 1211#define ZYD_AL2230_PHY_BANDEDGE6 \ 1212{ \ 1213 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1214 { ZYD_CR47, 0x1e } \ 1215} 1216 1217static int 1218zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1219{ 1220#define N(a) (sizeof(a) / sizeof((a)[0])) 1221 int error = 0, i; 1222 struct zyd_softc *sc = rf->rf_sc; 1223 struct ifnet *ifp = sc->sc_ifp; 1224 struct ieee80211com *ic = ifp->if_l2com; 1225 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1226 int chan = ieee80211_chan2ieee(ic, c); 1227 1228 if (chan == 1 || chan == 11) 1229 r[0].val = 0x12; 1230 1231 for (i = 0; i < N(r); i++) 1232 zyd_write16_m(sc, r[i].reg, r[i].val); 1233fail: 1234 return (error); 1235#undef N 1236} 1237 1238/* 1239 * AL7230B RF methods. 1240 */ 1241static int 1242zyd_al7230B_init(struct zyd_rf *rf) 1243{ 1244#define N(a) (sizeof(a) / sizeof((a)[0])) 1245 struct zyd_softc *sc = rf->rf_sc; 1246 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1247 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1248 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1249 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1250 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1251 int i, error; 1252 1253 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1254 1255 /* init RF-dependent PHY registers, part one */ 1256 for (i = 0; i < N(phyini_1); i++) 1257 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1258 1259 /* init AL7230B radio, part one */ 1260 for (i = 0; i < N(rfini_1); i++) { 1261 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1262 return (error); 1263 } 1264 /* init RF-dependent PHY registers, part two */ 1265 for (i = 0; i < N(phyini_2); i++) 1266 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1267 1268 /* init AL7230B radio, part two */ 1269 for (i = 0; i < N(rfini_2); i++) { 1270 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1271 return (error); 1272 } 1273 /* init RF-dependent PHY registers, part three */ 1274 for (i = 0; i < N(phyini_3); i++) 1275 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1276fail: 1277 return (error); 1278#undef N 1279} 1280 1281static int 1282zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1283{ 1284 int error; 1285 struct zyd_softc *sc = rf->rf_sc; 1286 1287 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1288 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1289fail: 1290 return (error); 1291} 1292 1293static int 1294zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1295{ 1296#define N(a) (sizeof(a) / sizeof((a)[0])) 1297 struct zyd_softc *sc = rf->rf_sc; 1298 static const struct { 1299 uint32_t r1, r2; 1300 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1301 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1302 int i, error; 1303 1304 zyd_write16_m(sc, ZYD_CR240, 0x57); 1305 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1306 1307 for (i = 0; i < N(rfsc); i++) { 1308 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1309 return (error); 1310 } 1311 1312 zyd_write16_m(sc, ZYD_CR128, 0x14); 1313 zyd_write16_m(sc, ZYD_CR129, 0x12); 1314 zyd_write16_m(sc, ZYD_CR130, 0x10); 1315 zyd_write16_m(sc, ZYD_CR38, 0x38); 1316 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1317 1318 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1319 if (error != 0) 1320 goto fail; 1321 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1322 if (error != 0) 1323 goto fail; 1324 error = zyd_rfwrite(sc, 0x3c9000); 1325 if (error != 0) 1326 goto fail; 1327 1328 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1329 zyd_write16_m(sc, ZYD_CR203, 0x06); 1330 zyd_write16_m(sc, ZYD_CR240, 0x08); 1331fail: 1332 return (error); 1333#undef N 1334} 1335 1336/* 1337 * AL2210 RF methods. 1338 */ 1339static int 1340zyd_al2210_init(struct zyd_rf *rf) 1341{ 1342#define N(a) (sizeof(a) / sizeof((a)[0])) 1343 struct zyd_softc *sc = rf->rf_sc; 1344 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1345 static const uint32_t rfini[] = ZYD_AL2210_RF; 1346 uint32_t tmp; 1347 int i, error; 1348 1349 zyd_write32_m(sc, ZYD_CR18, 2); 1350 1351 /* init RF-dependent PHY registers */ 1352 for (i = 0; i < N(phyini); i++) 1353 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1354 1355 /* init AL2210 radio */ 1356 for (i = 0; i < N(rfini); i++) { 1357 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1358 return (error); 1359 } 1360 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1361 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1362 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1363 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1364 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1365 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1366 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1367 zyd_write32_m(sc, ZYD_CR18, 3); 1368fail: 1369 return (error); 1370#undef N 1371} 1372 1373static int 1374zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1375{ 1376 /* vendor driver does nothing for this RF chip */ 1377 1378 return (0); 1379} 1380 1381static int 1382zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1383{ 1384 int error; 1385 struct zyd_softc *sc = rf->rf_sc; 1386 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1387 uint32_t tmp; 1388 1389 zyd_write32_m(sc, ZYD_CR18, 2); 1390 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1391 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1392 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1393 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1394 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1395 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1396 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1397 1398 /* actually set the channel */ 1399 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1400 if (error != 0) 1401 goto fail; 1402 1403 zyd_write32_m(sc, ZYD_CR18, 3); 1404fail: 1405 return (error); 1406} 1407 1408/* 1409 * GCT RF methods. 1410 */ 1411static int 1412zyd_gct_init(struct zyd_rf *rf) 1413{ 1414#define ZYD_GCT_INTR_REG 0x85c1 1415#define N(a) (sizeof(a) / sizeof((a)[0])) 1416 struct zyd_softc *sc = rf->rf_sc; 1417 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1418 static const uint32_t rfini[] = ZYD_GCT_RF; 1419 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1420 int i, idx = -1, error; 1421 uint16_t data; 1422 1423 /* init RF-dependent PHY registers */ 1424 for (i = 0; i < N(phyini); i++) 1425 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1426 1427 /* init cgt radio */ 1428 for (i = 0; i < N(rfini); i++) { 1429 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1430 return (error); 1431 } 1432 1433 error = zyd_gct_mode(rf); 1434 if (error != 0) 1435 return (error); 1436 1437 for (i = 0; i < N(vco) - 1; i++) { 1438 error = zyd_gct_set_channel_synth(rf, 1, 0); 1439 if (error != 0) 1440 goto fail; 1441 error = zyd_gct_write(rf, vco[i][0]); 1442 if (error != 0) 1443 goto fail; 1444 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1445 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1446 if ((data & 0xf) == 0) { 1447 idx = i; 1448 break; 1449 } 1450 } 1451 if (idx == -1) { 1452 error = zyd_gct_set_channel_synth(rf, 1, 1); 1453 if (error != 0) 1454 goto fail; 1455 error = zyd_gct_write(rf, 0x6662); 1456 if (error != 0) 1457 goto fail; 1458 } 1459 1460 rf->idx = idx; 1461 zyd_write16_m(sc, ZYD_CR203, 0x6); 1462fail: 1463 return (error); 1464#undef N 1465#undef ZYD_GCT_INTR_REG 1466} 1467 1468static int 1469zyd_gct_mode(struct zyd_rf *rf) 1470{ 1471#define N(a) (sizeof(a) / sizeof((a)[0])) 1472 struct zyd_softc *sc = rf->rf_sc; 1473 static const uint32_t mode[] = { 1474 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1475 }; 1476 int i, error; 1477 1478 for (i = 0; i < N(mode); i++) { 1479 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1480 break; 1481 } 1482 return (error); 1483#undef N 1484} 1485 1486static int 1487zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1488{ 1489 int error, idx = chan - 1; 1490 struct zyd_softc *sc = rf->rf_sc; 1491 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1492 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1493 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1494 1495 error = zyd_rfwrite(sc, 1496 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1497 if (error != 0) 1498 return (error); 1499 return zyd_rfwrite(sc, div_synth[idx]); 1500} 1501 1502static int 1503zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1504{ 1505 struct zyd_softc *sc = rf->rf_sc; 1506 1507 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1508} 1509 1510static int 1511zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1512{ 1513#define N(a) (sizeof(a) / sizeof((a)[0])) 1514 int error; 1515 struct zyd_softc *sc = rf->rf_sc; 1516 1517 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1518 if (error != 0) 1519 return (error); 1520 1521 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1522 zyd_write16_m(sc, ZYD_CR251, 1523 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1524fail: 1525 return (error); 1526} 1527 1528static int 1529zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1530{ 1531#define N(a) (sizeof(a) / sizeof((a)[0])) 1532 int error, i; 1533 struct zyd_softc *sc = rf->rf_sc; 1534 static const struct zyd_phy_pair cmd[] = { 1535 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1536 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1537 }; 1538 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1539 1540 error = zyd_gct_set_channel_synth(rf, chan, 0); 1541 if (error != 0) 1542 goto fail; 1543 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1544 vco[rf->idx][((chan - 1) / 2)]); 1545 if (error != 0) 1546 goto fail; 1547 error = zyd_gct_mode(rf); 1548 if (error != 0) 1549 return (error); 1550 for (i = 0; i < N(cmd); i++) 1551 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1552 error = zyd_gct_txgain(rf, chan); 1553 if (error != 0) 1554 return (error); 1555 zyd_write16_m(sc, ZYD_CR203, 0x6); 1556fail: 1557 return (error); 1558#undef N 1559} 1560 1561static int 1562zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1563{ 1564#define N(a) (sizeof(a) / sizeof((a)[0])) 1565 struct zyd_softc *sc = rf->rf_sc; 1566 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1567 uint8_t idx = sc->sc_pwrint[chan - 1]; 1568 1569 if (idx >= N(txgain)) { 1570 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1571 chan, idx); 1572 return 0; 1573 } 1574 1575 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1576#undef N 1577} 1578 1579/* 1580 * Maxim2 RF methods. 1581 */ 1582static int 1583zyd_maxim2_init(struct zyd_rf *rf) 1584{ 1585#define N(a) (sizeof(a) / sizeof((a)[0])) 1586 struct zyd_softc *sc = rf->rf_sc; 1587 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1588 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1589 uint16_t tmp; 1590 int i, error; 1591 1592 /* init RF-dependent PHY registers */ 1593 for (i = 0; i < N(phyini); i++) 1594 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1595 1596 zyd_read16_m(sc, ZYD_CR203, &tmp); 1597 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1598 1599 /* init maxim2 radio */ 1600 for (i = 0; i < N(rfini); i++) { 1601 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1602 return (error); 1603 } 1604 zyd_read16_m(sc, ZYD_CR203, &tmp); 1605 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1606fail: 1607 return (error); 1608#undef N 1609} 1610 1611static int 1612zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1613{ 1614 1615 /* vendor driver does nothing for this RF chip */ 1616 return (0); 1617} 1618 1619static int 1620zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1621{ 1622#define N(a) (sizeof(a) / sizeof((a)[0])) 1623 struct zyd_softc *sc = rf->rf_sc; 1624 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1625 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1626 static const struct { 1627 uint32_t r1, r2; 1628 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1629 uint16_t tmp; 1630 int i, error; 1631 1632 /* 1633 * Do the same as we do when initializing it, except for the channel 1634 * values coming from the two channel tables. 1635 */ 1636 1637 /* init RF-dependent PHY registers */ 1638 for (i = 0; i < N(phyini); i++) 1639 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1640 1641 zyd_read16_m(sc, ZYD_CR203, &tmp); 1642 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1643 1644 /* first two values taken from the chantables */ 1645 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1646 if (error != 0) 1647 goto fail; 1648 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1649 if (error != 0) 1650 goto fail; 1651 1652 /* init maxim2 radio - skipping the two first values */ 1653 for (i = 2; i < N(rfini); i++) { 1654 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1655 return (error); 1656 } 1657 zyd_read16_m(sc, ZYD_CR203, &tmp); 1658 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1659fail: 1660 return (error); 1661#undef N 1662} 1663 1664static int 1665zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1666{ 1667 struct zyd_rf *rf = &sc->sc_rf; 1668 1669 rf->rf_sc = sc; 1670 rf->update_pwr = 1; 1671 1672 switch (type) { 1673 case ZYD_RF_RFMD: 1674 rf->init = zyd_rfmd_init; 1675 rf->switch_radio = zyd_rfmd_switch_radio; 1676 rf->set_channel = zyd_rfmd_set_channel; 1677 rf->width = 24; /* 24-bit RF values */ 1678 break; 1679 case ZYD_RF_AL2230: 1680 case ZYD_RF_AL2230S: 1681 if (sc->sc_macrev == ZYD_ZD1211B) { 1682 rf->init = zyd_al2230_init_b; 1683 rf->set_channel = zyd_al2230_set_channel_b; 1684 } else { 1685 rf->init = zyd_al2230_init; 1686 rf->set_channel = zyd_al2230_set_channel; 1687 } 1688 rf->switch_radio = zyd_al2230_switch_radio; 1689 rf->bandedge6 = zyd_al2230_bandedge6; 1690 rf->width = 24; /* 24-bit RF values */ 1691 break; 1692 case ZYD_RF_AL7230B: 1693 rf->init = zyd_al7230B_init; 1694 rf->switch_radio = zyd_al7230B_switch_radio; 1695 rf->set_channel = zyd_al7230B_set_channel; 1696 rf->width = 24; /* 24-bit RF values */ 1697 break; 1698 case ZYD_RF_AL2210: 1699 rf->init = zyd_al2210_init; 1700 rf->switch_radio = zyd_al2210_switch_radio; 1701 rf->set_channel = zyd_al2210_set_channel; 1702 rf->width = 24; /* 24-bit RF values */ 1703 break; 1704 case ZYD_RF_MAXIM_NEW: 1705 case ZYD_RF_GCT: 1706 rf->init = zyd_gct_init; 1707 rf->switch_radio = zyd_gct_switch_radio; 1708 rf->set_channel = zyd_gct_set_channel; 1709 rf->width = 24; /* 24-bit RF values */ 1710 rf->update_pwr = 0; 1711 break; 1712 case ZYD_RF_MAXIM_NEW2: 1713 rf->init = zyd_maxim2_init; 1714 rf->switch_radio = zyd_maxim2_switch_radio; 1715 rf->set_channel = zyd_maxim2_set_channel; 1716 rf->width = 18; /* 18-bit RF values */ 1717 break; 1718 default: 1719 device_printf(sc->sc_dev, 1720 "sorry, radio \"%s\" is not supported yet\n", 1721 zyd_rf_name(type)); 1722 return (EINVAL); 1723 } 1724 return (0); 1725} 1726 1727static const char * 1728zyd_rf_name(uint8_t type) 1729{ 1730 static const char * const zyd_rfs[] = { 1731 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1732 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1733 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1734 "PHILIPS" 1735 }; 1736 1737 return zyd_rfs[(type > 15) ? 0 : type]; 1738} 1739 1740static int 1741zyd_hw_init(struct zyd_softc *sc) 1742{ 1743 int error; 1744 const struct zyd_phy_pair *phyp; 1745 struct zyd_rf *rf = &sc->sc_rf; 1746 uint16_t val; 1747 1748 /* specify that the plug and play is finished */ 1749 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1750 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1751 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1752 sc->sc_fwbase); 1753 1754 /* retrieve firmware revision number */ 1755 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1756 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1757 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1758 /* set mandatory rates - XXX assumes 802.11b/g */ 1759 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1760 1761 /* disable interrupts */ 1762 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1763 1764 if ((error = zyd_read_pod(sc)) != 0) { 1765 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1766 goto fail; 1767 } 1768 1769 /* PHY init (resetting) */ 1770 error = zyd_lock_phy(sc); 1771 if (error != 0) 1772 goto fail; 1773 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1774 for (; phyp->reg != 0; phyp++) 1775 zyd_write16_m(sc, phyp->reg, phyp->val); 1776 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1777 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1778 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1779 } 1780 error = zyd_unlock_phy(sc); 1781 if (error != 0) 1782 goto fail; 1783 1784 /* HMAC init */ 1785 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1786 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1787 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1788 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1789 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1790 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1791 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1792 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1793 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1794 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1795 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1796 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1797 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1798 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1799 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1800 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1801 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1802 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1803 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1804 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1805 1806 if (sc->sc_macrev == ZYD_ZD1211) { 1807 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1808 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1809 } else { 1810 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1811 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1812 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1813 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1814 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1815 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1816 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1817 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1818 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1819 } 1820 1821 /* init beacon interval to 100ms */ 1822 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1823 goto fail; 1824 1825 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1826 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1827 sc->sc_rfrev); 1828 goto fail; 1829 } 1830 1831 /* RF chip init */ 1832 error = zyd_lock_phy(sc); 1833 if (error != 0) 1834 goto fail; 1835 error = (*rf->init)(rf); 1836 if (error != 0) { 1837 device_printf(sc->sc_dev, 1838 "radio initialization failed, error %d\n", error); 1839 goto fail; 1840 } 1841 error = zyd_unlock_phy(sc); 1842 if (error != 0) 1843 goto fail; 1844 1845 if ((error = zyd_read_eeprom(sc)) != 0) { 1846 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1847 goto fail; 1848 } 1849 1850fail: return (error); 1851} 1852 1853static int 1854zyd_read_pod(struct zyd_softc *sc) 1855{ 1856 int error; 1857 uint32_t tmp; 1858 1859 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1860 sc->sc_rfrev = tmp & 0x0f; 1861 sc->sc_ledtype = (tmp >> 4) & 0x01; 1862 sc->sc_al2230s = (tmp >> 7) & 0x01; 1863 sc->sc_cckgain = (tmp >> 8) & 0x01; 1864 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1865 sc->sc_parev = (tmp >> 16) & 0x0f; 1866 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1867 sc->sc_newphy = (tmp >> 31) & 0x01; 1868 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1869fail: 1870 return (error); 1871} 1872 1873static int 1874zyd_read_eeprom(struct zyd_softc *sc) 1875{ 1876 uint16_t val; 1877 int error, i; 1878 1879 /* read Tx power calibration tables */ 1880 for (i = 0; i < 7; i++) { 1881 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1882 sc->sc_pwrcal[i * 2] = val >> 8; 1883 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1884 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1885 sc->sc_pwrint[i * 2] = val >> 8; 1886 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1887 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1888 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1889 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1890 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1891 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1892 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1893 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1894 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1895 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1896 } 1897fail: 1898 return (error); 1899} 1900 1901static int 1902zyd_get_macaddr(struct zyd_softc *sc) 1903{ 1904 struct usb_device_request req; 1905 usb_error_t error; 1906 1907 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1908 req.bRequest = ZYD_READFWDATAREQ; 1909 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1910 USETW(req.wIndex, 0); 1911 USETW(req.wLength, IEEE80211_ADDR_LEN); 1912 1913 error = zyd_do_request(sc, &req, sc->sc_bssid); 1914 if (error != 0) { 1915 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1916 usbd_errstr(error)); 1917 } 1918 1919 return (error); 1920} 1921 1922static int 1923zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1924{ 1925 int error; 1926 uint32_t tmp; 1927 1928 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1929 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1930 tmp = addr[5] << 8 | addr[4]; 1931 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1932fail: 1933 return (error); 1934} 1935 1936static int 1937zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1938{ 1939 int error; 1940 uint32_t tmp; 1941 1942 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1943 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1944 tmp = addr[5] << 8 | addr[4]; 1945 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1946fail: 1947 return (error); 1948} 1949 1950static int 1951zyd_switch_radio(struct zyd_softc *sc, int on) 1952{ 1953 struct zyd_rf *rf = &sc->sc_rf; 1954 int error; 1955 1956 error = zyd_lock_phy(sc); 1957 if (error != 0) 1958 goto fail; 1959 error = (*rf->switch_radio)(rf, on); 1960 if (error != 0) 1961 goto fail; 1962 error = zyd_unlock_phy(sc); 1963fail: 1964 return (error); 1965} 1966 1967static int 1968zyd_set_led(struct zyd_softc *sc, int which, int on) 1969{ 1970 int error; 1971 uint32_t tmp; 1972 1973 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1974 tmp &= ~which; 1975 if (on) 1976 tmp |= which; 1977 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1978fail: 1979 return (error); 1980} 1981 1982static void 1983zyd_set_multi(struct zyd_softc *sc) 1984{ 1985 int error; 1986 struct ifnet *ifp = sc->sc_ifp; 1987 struct ieee80211com *ic = ifp->if_l2com; 1988 struct ifmultiaddr *ifma; 1989 uint32_t low, high; 1990 uint8_t v; 1991 1992 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 1993 return; 1994 1995 low = 0x00000000; 1996 high = 0x80000000; 1997 1998 if (ic->ic_opmode == IEEE80211_M_MONITOR || 1999 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 2000 low = 0xffffffff; 2001 high = 0xffffffff; 2002 } else { 2003 if_maddr_rlock(ifp); 2004 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2005 if (ifma->ifma_addr->sa_family != AF_LINK) 2006 continue; 2007 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 2008 ifma->ifma_addr))[5] >> 2; 2009 if (v < 32) 2010 low |= 1 << v; 2011 else 2012 high |= 1 << (v - 32); 2013 } 2014 if_maddr_runlock(ifp); 2015 } 2016 2017 /* reprogram multicast global hash table */ 2018 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2019 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2020fail: 2021 if (error != 0) 2022 device_printf(sc->sc_dev, 2023 "could not set multicast hash table\n"); 2024} 2025 2026static void 2027zyd_update_mcast(struct ifnet *ifp) 2028{ 2029 struct zyd_softc *sc = ifp->if_softc; 2030 2031 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2032 return; 2033 2034 ZYD_LOCK(sc); 2035 zyd_set_multi(sc); 2036 ZYD_UNLOCK(sc); 2037} 2038 2039static int 2040zyd_set_rxfilter(struct zyd_softc *sc) 2041{ 2042 struct ifnet *ifp = sc->sc_ifp; 2043 struct ieee80211com *ic = ifp->if_l2com; 2044 uint32_t rxfilter; 2045 2046 switch (ic->ic_opmode) { 2047 case IEEE80211_M_STA: 2048 rxfilter = ZYD_FILTER_BSS; 2049 break; 2050 case IEEE80211_M_IBSS: 2051 case IEEE80211_M_HOSTAP: 2052 rxfilter = ZYD_FILTER_HOSTAP; 2053 break; 2054 case IEEE80211_M_MONITOR: 2055 rxfilter = ZYD_FILTER_MONITOR; 2056 break; 2057 default: 2058 /* should not get there */ 2059 return (EINVAL); 2060 } 2061 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2062} 2063 2064static void 2065zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2066{ 2067 int error; 2068 struct ifnet *ifp = sc->sc_ifp; 2069 struct ieee80211com *ic = ifp->if_l2com; 2070 struct zyd_rf *rf = &sc->sc_rf; 2071 uint32_t tmp; 2072 int chan; 2073 2074 chan = ieee80211_chan2ieee(ic, c); 2075 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2076 /* XXX should NEVER happen */ 2077 device_printf(sc->sc_dev, 2078 "%s: invalid channel %x\n", __func__, chan); 2079 return; 2080 } 2081 2082 error = zyd_lock_phy(sc); 2083 if (error != 0) 2084 goto fail; 2085 2086 error = (*rf->set_channel)(rf, chan); 2087 if (error != 0) 2088 goto fail; 2089 2090 if (rf->update_pwr) { 2091 /* update Tx power */ 2092 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2093 2094 if (sc->sc_macrev == ZYD_ZD1211B) { 2095 zyd_write16_m(sc, ZYD_CR67, 2096 sc->sc_ofdm36_cal[chan - 1]); 2097 zyd_write16_m(sc, ZYD_CR66, 2098 sc->sc_ofdm48_cal[chan - 1]); 2099 zyd_write16_m(sc, ZYD_CR65, 2100 sc->sc_ofdm54_cal[chan - 1]); 2101 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2102 zyd_write16_m(sc, ZYD_CR69, 0x28); 2103 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2104 } 2105 } 2106 if (sc->sc_cckgain) { 2107 /* set CCK baseband gain from EEPROM */ 2108 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2109 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2110 } 2111 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2112 error = (*rf->bandedge6)(rf, c); 2113 if (error != 0) 2114 goto fail; 2115 } 2116 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2117 2118 error = zyd_unlock_phy(sc); 2119 if (error != 0) 2120 goto fail; 2121 2122 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2123 htole16(c->ic_freq); 2124 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2125 htole16(c->ic_flags); 2126fail: 2127 return; 2128} 2129 2130static int 2131zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2132{ 2133 int error; 2134 uint32_t val; 2135 2136 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2137 sc->sc_atim_wnd = val; 2138 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2139 sc->sc_pre_tbtt = val; 2140 sc->sc_bcn_int = bintval; 2141 2142 if (sc->sc_bcn_int <= 5) 2143 sc->sc_bcn_int = 5; 2144 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2145 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2146 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2147 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2148 2149 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2150 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2151 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2152fail: 2153 return (error); 2154} 2155 2156static void 2157zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2158{ 2159 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2160 struct ifnet *ifp = sc->sc_ifp; 2161 struct ieee80211com *ic = ifp->if_l2com; 2162 struct zyd_plcphdr plcp; 2163 struct zyd_rx_stat stat; 2164 struct usb_page_cache *pc; 2165 struct mbuf *m; 2166 int rlen, rssi; 2167 2168 if (len < ZYD_MIN_FRAGSZ) { 2169 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2170 device_get_nameunit(sc->sc_dev), len); 2171 ifp->if_ierrors++; 2172 return; 2173 } 2174 pc = usbd_xfer_get_frame(xfer, 0); 2175 usbd_copy_out(pc, offset, &plcp, sizeof(plcp)); 2176 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat)); 2177 2178 if (stat.flags & ZYD_RX_ERROR) { 2179 DPRINTF(sc, ZYD_DEBUG_RECV, 2180 "%s: RX status indicated error (%x)\n", 2181 device_get_nameunit(sc->sc_dev), stat.flags); 2182 ifp->if_ierrors++; 2183 return; 2184 } 2185 2186 /* compute actual frame length */ 2187 rlen = len - sizeof(struct zyd_plcphdr) - 2188 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2189 2190 /* allocate a mbuf to store the frame */ 2191 if (rlen > MCLBYTES) { 2192 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2193 device_get_nameunit(sc->sc_dev), rlen); 2194 ifp->if_ierrors++; 2195 return; 2196 } else if (rlen > MHLEN) 2197 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 2198 else 2199 m = m_gethdr(M_DONTWAIT, MT_DATA); 2200 if (m == NULL) { 2201 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2202 device_get_nameunit(sc->sc_dev)); 2203 ifp->if_ierrors++; 2204 return; 2205 } 2206 m->m_pkthdr.rcvif = ifp; 2207 m->m_pkthdr.len = m->m_len = rlen; 2208 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen); 2209 2210 if (ieee80211_radiotap_active(ic)) { 2211 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2212 2213 tap->wr_flags = 0; 2214 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2215 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2216 /* XXX toss, no way to express errors */ 2217 if (stat.flags & ZYD_RX_DECRYPTERR) 2218 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2219 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2220 (stat.flags & ZYD_RX_OFDM) ? 2221 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2222 tap->wr_antsignal = stat.rssi + -95; 2223 tap->wr_antnoise = -95; /* XXX */ 2224 } 2225 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2226 2227 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2228 sc->sc_rx_data[sc->sc_rx_count].m = m; 2229 sc->sc_rx_count++; 2230} 2231 2232static void 2233zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 2234{ 2235 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2236 struct ifnet *ifp = sc->sc_ifp; 2237 struct ieee80211com *ic = ifp->if_l2com; 2238 struct ieee80211_node *ni; 2239 struct zyd_rx_desc desc; 2240 struct mbuf *m; 2241 struct usb_page_cache *pc; 2242 uint32_t offset; 2243 uint8_t rssi; 2244 int8_t nf; 2245 int i; 2246 int actlen; 2247 2248 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2249 2250 sc->sc_rx_count = 0; 2251 switch (USB_GET_STATE(xfer)) { 2252 case USB_ST_TRANSFERRED: 2253 pc = usbd_xfer_get_frame(xfer, 0); 2254 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc)); 2255 2256 offset = 0; 2257 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2258 DPRINTF(sc, ZYD_DEBUG_RECV, 2259 "%s: received multi-frame transfer\n", __func__); 2260 2261 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2262 uint16_t len16 = UGETW(desc.len[i]); 2263 2264 if (len16 == 0 || len16 > actlen) 2265 break; 2266 2267 zyd_rx_data(xfer, offset, len16); 2268 2269 /* next frame is aligned on a 32-bit boundary */ 2270 len16 = (len16 + 3) & ~3; 2271 offset += len16; 2272 if (len16 > actlen) 2273 break; 2274 actlen -= len16; 2275 } 2276 } else { 2277 DPRINTF(sc, ZYD_DEBUG_RECV, 2278 "%s: received single-frame transfer\n", __func__); 2279 2280 zyd_rx_data(xfer, 0, actlen); 2281 } 2282 /* FALLTHROUGH */ 2283 case USB_ST_SETUP: 2284tr_setup: 2285 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2286 usbd_transfer_submit(xfer); 2287 2288 /* 2289 * At the end of a USB callback it is always safe to unlock 2290 * the private mutex of a device! That is why we do the 2291 * "ieee80211_input" here, and not some lines up! 2292 */ 2293 ZYD_UNLOCK(sc); 2294 for (i = 0; i < sc->sc_rx_count; i++) { 2295 rssi = sc->sc_rx_data[i].rssi; 2296 m = sc->sc_rx_data[i].m; 2297 sc->sc_rx_data[i].m = NULL; 2298 2299 nf = -95; /* XXX */ 2300 2301 ni = ieee80211_find_rxnode(ic, 2302 mtod(m, struct ieee80211_frame_min *)); 2303 if (ni != NULL) { 2304 (void)ieee80211_input(ni, m, rssi, nf); 2305 ieee80211_free_node(ni); 2306 } else 2307 (void)ieee80211_input_all(ic, m, rssi, nf); 2308 } 2309 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2310 !IFQ_IS_EMPTY(&ifp->if_snd)) 2311 zyd_start(ifp); 2312 ZYD_LOCK(sc); 2313 break; 2314 2315 default: /* Error */ 2316 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error)); 2317 2318 if (error != USB_ERR_CANCELLED) { 2319 /* try to clear stall first */ 2320 usbd_xfer_set_stall(xfer); 2321 goto tr_setup; 2322 } 2323 break; 2324 } 2325} 2326 2327static uint8_t 2328zyd_plcp_signal(struct zyd_softc *sc, int rate) 2329{ 2330 switch (rate) { 2331 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2332 case 12: 2333 return (0xb); 2334 case 18: 2335 return (0xf); 2336 case 24: 2337 return (0xa); 2338 case 36: 2339 return (0xe); 2340 case 48: 2341 return (0x9); 2342 case 72: 2343 return (0xd); 2344 case 96: 2345 return (0x8); 2346 case 108: 2347 return (0xc); 2348 /* CCK rates (NB: not IEEE std, device-specific) */ 2349 case 2: 2350 return (0x0); 2351 case 4: 2352 return (0x1); 2353 case 11: 2354 return (0x2); 2355 case 22: 2356 return (0x3); 2357 } 2358 2359 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2360 return (0x0); 2361} 2362 2363static void 2364zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 2365{ 2366 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2367 struct ifnet *ifp = sc->sc_ifp; 2368 struct ieee80211vap *vap; 2369 struct zyd_tx_data *data; 2370 struct mbuf *m; 2371 struct usb_page_cache *pc; 2372 int actlen; 2373 2374 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2375 2376 switch (USB_GET_STATE(xfer)) { 2377 case USB_ST_TRANSFERRED: 2378 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2379 actlen); 2380 2381 /* free resources */ 2382 data = usbd_xfer_get_priv(xfer); 2383 zyd_tx_free(data, 0); 2384 usbd_xfer_set_priv(xfer, NULL); 2385 2386 ifp->if_opackets++; 2387 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2388 2389 /* FALLTHROUGH */ 2390 case USB_ST_SETUP: 2391tr_setup: 2392 data = STAILQ_FIRST(&sc->tx_q); 2393 if (data) { 2394 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2395 m = data->m; 2396 2397 if (m->m_pkthdr.len > ZYD_MAX_TXBUFSZ) { 2398 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2399 m->m_pkthdr.len); 2400 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2401 } 2402 pc = usbd_xfer_get_frame(xfer, 0); 2403 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE); 2404 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0, 2405 m->m_pkthdr.len); 2406 2407 vap = data->ni->ni_vap; 2408 if (ieee80211_radiotap_active_vap(vap)) { 2409 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2410 2411 tap->wt_flags = 0; 2412 tap->wt_rate = data->rate; 2413 2414 ieee80211_radiotap_tx(vap, m); 2415 } 2416 2417 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len); 2418 usbd_xfer_set_priv(xfer, data); 2419 usbd_transfer_submit(xfer); 2420 } 2421 ZYD_UNLOCK(sc); 2422 zyd_start(ifp); 2423 ZYD_LOCK(sc); 2424 break; 2425 2426 default: /* Error */ 2427 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2428 usbd_errstr(error)); 2429 2430 ifp->if_oerrors++; 2431 data = usbd_xfer_get_priv(xfer); 2432 usbd_xfer_set_priv(xfer, NULL); 2433 if (data != NULL) 2434 zyd_tx_free(data, error); 2435 2436 if (error != USB_ERR_CANCELLED) { 2437 if (error == USB_ERR_TIMEOUT) 2438 device_printf(sc->sc_dev, "device timeout\n"); 2439 2440 /* 2441 * Try to clear stall first, also if other 2442 * errors occur, hence clearing stall 2443 * introduces a 50 ms delay: 2444 */ 2445 usbd_xfer_set_stall(xfer); 2446 goto tr_setup; 2447 } 2448 break; 2449 } 2450} 2451 2452static int 2453zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2454{ 2455 struct ieee80211vap *vap = ni->ni_vap; 2456 struct ieee80211com *ic = ni->ni_ic; 2457 struct zyd_tx_desc *desc; 2458 struct zyd_tx_data *data; 2459 struct ieee80211_frame *wh; 2460 const struct ieee80211_txparam *tp; 2461 struct ieee80211_key *k; 2462 int rate, totlen; 2463 static uint8_t ratediv[] = ZYD_TX_RATEDIV; 2464 uint8_t phy; 2465 uint16_t pktlen; 2466 uint32_t bits; 2467 2468 wh = mtod(m0, struct ieee80211_frame *); 2469 data = STAILQ_FIRST(&sc->tx_free); 2470 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2471 sc->tx_nfree--; 2472 2473 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2474 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2475 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2476 rate = tp->mgmtrate; 2477 } else { 2478 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2479 /* for data frames */ 2480 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2481 rate = tp->mcastrate; 2482 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2483 rate = tp->ucastrate; 2484 else { 2485 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2486 rate = ni->ni_txrate; 2487 } 2488 } 2489 2490 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2491 k = ieee80211_crypto_encap(ni, m0); 2492 if (k == NULL) { 2493 m_freem(m0); 2494 return (ENOBUFS); 2495 } 2496 /* packet header may have moved, reset our local pointer */ 2497 wh = mtod(m0, struct ieee80211_frame *); 2498 } 2499 2500 data->ni = ni; 2501 data->m = m0; 2502 data->rate = rate; 2503 2504 /* fill Tx descriptor */ 2505 desc = &data->desc; 2506 phy = zyd_plcp_signal(sc, rate); 2507 desc->phy = phy; 2508 if (ZYD_RATE_IS_OFDM(rate)) { 2509 desc->phy |= ZYD_TX_PHY_OFDM; 2510 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2511 desc->phy |= ZYD_TX_PHY_5GHZ; 2512 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2513 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2514 2515 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2516 desc->len = htole16(totlen); 2517 2518 desc->flags = ZYD_TX_FLAG_BACKOFF; 2519 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2520 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2521 if (totlen > vap->iv_rtsthreshold) { 2522 desc->flags |= ZYD_TX_FLAG_RTS; 2523 } else if (ZYD_RATE_IS_OFDM(rate) && 2524 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2525 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2526 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2527 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2528 desc->flags |= ZYD_TX_FLAG_RTS; 2529 } 2530 } else 2531 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2532 if ((wh->i_fc[0] & 2533 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2534 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2535 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2536 2537 /* actual transmit length (XXX why +10?) */ 2538 pktlen = ZYD_TX_DESC_SIZE + 10; 2539 if (sc->sc_macrev == ZYD_ZD1211) 2540 pktlen += totlen; 2541 desc->pktlen = htole16(pktlen); 2542 2543 bits = (rate == 11) ? (totlen * 16) + 10 : 2544 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2545 desc->plcp_length = htole16(bits / ratediv[phy]); 2546 desc->plcp_service = 0; 2547 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2548 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2549 desc->nextlen = 0; 2550 2551 if (ieee80211_radiotap_active_vap(vap)) { 2552 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2553 2554 tap->wt_flags = 0; 2555 tap->wt_rate = rate; 2556 2557 ieee80211_radiotap_tx(vap, m0); 2558 } 2559 2560 DPRINTF(sc, ZYD_DEBUG_XMIT, 2561 "%s: sending data frame len=%zu rate=%u\n", 2562 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2563 rate); 2564 2565 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2566 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2567 2568 return (0); 2569} 2570 2571static void 2572zyd_start(struct ifnet *ifp) 2573{ 2574 struct zyd_softc *sc = ifp->if_softc; 2575 struct ieee80211_node *ni; 2576 struct mbuf *m; 2577 2578 ZYD_LOCK(sc); 2579 for (;;) { 2580 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2581 if (m == NULL) 2582 break; 2583 if (sc->tx_nfree == 0) { 2584 IFQ_DRV_PREPEND(&ifp->if_snd, m); 2585 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2586 break; 2587 } 2588 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2589 if (zyd_tx_start(sc, m, ni) != 0) { 2590 ieee80211_free_node(ni); 2591 ifp->if_oerrors++; 2592 break; 2593 } 2594 } 2595 ZYD_UNLOCK(sc); 2596} 2597 2598static int 2599zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2600 const struct ieee80211_bpf_params *params) 2601{ 2602 struct ieee80211com *ic = ni->ni_ic; 2603 struct ifnet *ifp = ic->ic_ifp; 2604 struct zyd_softc *sc = ifp->if_softc; 2605 2606 ZYD_LOCK(sc); 2607 /* prevent management frames from being sent if we're not ready */ 2608 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2609 ZYD_UNLOCK(sc); 2610 m_freem(m); 2611 ieee80211_free_node(ni); 2612 return (ENETDOWN); 2613 } 2614 if (sc->tx_nfree == 0) { 2615 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2616 ZYD_UNLOCK(sc); 2617 m_freem(m); 2618 ieee80211_free_node(ni); 2619 return (ENOBUFS); /* XXX */ 2620 } 2621 2622 /* 2623 * Legacy path; interpret frame contents to decide 2624 * precisely how to send the frame. 2625 * XXX raw path 2626 */ 2627 if (zyd_tx_start(sc, m, ni) != 0) { 2628 ZYD_UNLOCK(sc); 2629 ifp->if_oerrors++; 2630 ieee80211_free_node(ni); 2631 return (EIO); 2632 } 2633 ZYD_UNLOCK(sc); 2634 return (0); 2635} 2636 2637static int 2638zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2639{ 2640 struct zyd_softc *sc = ifp->if_softc; 2641 struct ieee80211com *ic = ifp->if_l2com; 2642 struct ifreq *ifr = (struct ifreq *) data; 2643 int error = 0, startall = 0; 2644 2645 switch (cmd) { 2646 case SIOCSIFFLAGS: 2647 ZYD_LOCK(sc); 2648 if (ifp->if_flags & IFF_UP) { 2649 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2650 zyd_init_locked(sc); 2651 startall = 1; 2652 } else 2653 zyd_set_multi(sc); 2654 } else { 2655 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2656 zyd_stop(sc); 2657 } 2658 ZYD_UNLOCK(sc); 2659 if (startall) 2660 ieee80211_start_all(ic); 2661 break; 2662 case SIOCGIFMEDIA: 2663 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2664 break; 2665 case SIOCGIFADDR: 2666 error = ether_ioctl(ifp, cmd, data); 2667 break; 2668 default: 2669 error = EINVAL; 2670 break; 2671 } 2672 return (error); 2673} 2674 2675static void 2676zyd_init_locked(struct zyd_softc *sc) 2677{ 2678 struct ifnet *ifp = sc->sc_ifp; 2679 struct ieee80211com *ic = ifp->if_l2com; 2680 struct usb_config_descriptor *cd; 2681 int error; 2682 uint32_t val; 2683 2684 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2685 2686 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2687 error = zyd_loadfirmware(sc); 2688 if (error != 0) { 2689 device_printf(sc->sc_dev, 2690 "could not load firmware (error=%d)\n", error); 2691 goto fail; 2692 } 2693 2694 /* reset device */ 2695 cd = usbd_get_config_descriptor(sc->sc_udev); 2696 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx, 2697 cd->bConfigurationValue); 2698 if (error) 2699 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2700 2701 error = zyd_hw_init(sc); 2702 if (error) { 2703 device_printf(sc->sc_dev, 2704 "hardware initialization failed\n"); 2705 goto fail; 2706 } 2707 2708 device_printf(sc->sc_dev, 2709 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2710 "BE%x NP%x Gain%x F%x\n", 2711 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2712 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2713 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2714 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2715 sc->sc_cckgain, sc->sc_fix_cr157); 2716 2717 /* read regulatory domain (currently unused) */ 2718 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2719 sc->sc_regdomain = val >> 16; 2720 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2721 sc->sc_regdomain); 2722 2723 /* we'll do software WEP decryption for now */ 2724 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2725 __func__); 2726 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2727 2728 sc->sc_flags |= ZYD_FLAG_INITONCE; 2729 } 2730 2731 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2732 zyd_stop(sc); 2733 2734 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2735 IF_LLADDR(ifp), ":"); 2736 error = zyd_set_macaddr(sc, IF_LLADDR(ifp)); 2737 if (error != 0) 2738 return; 2739 2740 /* set basic rates */ 2741 if (ic->ic_curmode == IEEE80211_MODE_11B) 2742 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2743 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2744 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2745 else /* assumes 802.11b/g */ 2746 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2747 2748 /* promiscuous mode */ 2749 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2750 /* multicast setup */ 2751 zyd_set_multi(sc); 2752 /* set RX filter */ 2753 error = zyd_set_rxfilter(sc); 2754 if (error != 0) 2755 goto fail; 2756 2757 /* switch radio transmitter ON */ 2758 error = zyd_switch_radio(sc, 1); 2759 if (error != 0) 2760 goto fail; 2761 /* set default BSS channel */ 2762 zyd_set_chan(sc, ic->ic_curchan); 2763 2764 /* 2765 * Allocate Tx and Rx xfer queues. 2766 */ 2767 zyd_setup_tx_list(sc); 2768 2769 /* enable interrupts */ 2770 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2771 2772 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2773 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2774 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2775 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2776 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2777 2778 return; 2779 2780fail: zyd_stop(sc); 2781 return; 2782} 2783 2784static void 2785zyd_init(void *priv) 2786{ 2787 struct zyd_softc *sc = priv; 2788 struct ifnet *ifp = sc->sc_ifp; 2789 struct ieee80211com *ic = ifp->if_l2com; 2790 2791 ZYD_LOCK(sc); 2792 zyd_init_locked(sc); 2793 ZYD_UNLOCK(sc); 2794 2795 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2796 ieee80211_start_all(ic); /* start all vap's */ 2797} 2798 2799static void 2800zyd_stop(struct zyd_softc *sc) 2801{ 2802 struct ifnet *ifp = sc->sc_ifp; 2803 int error; 2804 2805 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2806 2807 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2808 2809 /* 2810 * Drain all the transfers, if not already drained: 2811 */ 2812 ZYD_UNLOCK(sc); 2813 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2814 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2815 ZYD_LOCK(sc); 2816 2817 zyd_unsetup_tx_list(sc); 2818 2819 /* Stop now if the device was never set up */ 2820 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2821 return; 2822 2823 /* switch radio transmitter OFF */ 2824 error = zyd_switch_radio(sc, 0); 2825 if (error != 0) 2826 goto fail; 2827 /* disable Rx */ 2828 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2829 /* disable interrupts */ 2830 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2831 2832fail: 2833 return; 2834} 2835 2836static int 2837zyd_loadfirmware(struct zyd_softc *sc) 2838{ 2839 struct usb_device_request req; 2840 size_t size; 2841 u_char *fw; 2842 uint8_t stat; 2843 uint16_t addr; 2844 2845 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2846 return (0); 2847 2848 if (sc->sc_macrev == ZYD_ZD1211) { 2849 fw = (u_char *)zd1211_firmware; 2850 size = sizeof(zd1211_firmware); 2851 } else { 2852 fw = (u_char *)zd1211b_firmware; 2853 size = sizeof(zd1211b_firmware); 2854 } 2855 2856 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2857 req.bRequest = ZYD_DOWNLOADREQ; 2858 USETW(req.wIndex, 0); 2859 2860 addr = ZYD_FIRMWARE_START_ADDR; 2861 while (size > 0) { 2862 /* 2863 * When the transfer size is 4096 bytes, it is not 2864 * likely to be able to transfer it. 2865 * The cause is port or machine or chip? 2866 */ 2867 const int mlen = min(size, 64); 2868 2869 DPRINTF(sc, ZYD_DEBUG_FW, 2870 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2871 2872 USETW(req.wValue, addr); 2873 USETW(req.wLength, mlen); 2874 if (zyd_do_request(sc, &req, fw) != 0) 2875 return (EIO); 2876 2877 addr += mlen / 2; 2878 fw += mlen; 2879 size -= mlen; 2880 } 2881 2882 /* check whether the upload succeeded */ 2883 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2884 req.bRequest = ZYD_DOWNLOADSTS; 2885 USETW(req.wValue, 0); 2886 USETW(req.wIndex, 0); 2887 USETW(req.wLength, sizeof(stat)); 2888 if (zyd_do_request(sc, &req, &stat) != 0) 2889 return (EIO); 2890 2891 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2892 2893 return (stat & 0x80) ? (EIO) : (0); 2894} 2895 2896static void 2897zyd_scan_start(struct ieee80211com *ic) 2898{ 2899 struct ifnet *ifp = ic->ic_ifp; 2900 struct zyd_softc *sc = ifp->if_softc; 2901 2902 ZYD_LOCK(sc); 2903 /* want broadcast address while scanning */ 2904 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2905 ZYD_UNLOCK(sc); 2906} 2907 2908static void 2909zyd_scan_end(struct ieee80211com *ic) 2910{ 2911 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2912 2913 ZYD_LOCK(sc); 2914 /* restore previous bssid */ 2915 zyd_set_bssid(sc, sc->sc_bssid); 2916 ZYD_UNLOCK(sc); 2917} 2918 2919static void 2920zyd_set_channel(struct ieee80211com *ic) 2921{ 2922 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2923 2924 ZYD_LOCK(sc); 2925 zyd_set_chan(sc, ic->ic_curchan); 2926 ZYD_UNLOCK(sc); 2927} 2928 2929static device_method_t zyd_methods[] = { 2930 /* Device interface */ 2931 DEVMETHOD(device_probe, zyd_match), 2932 DEVMETHOD(device_attach, zyd_attach), 2933 DEVMETHOD(device_detach, zyd_detach), 2934 2935 { 0, 0 } 2936}; 2937 2938static driver_t zyd_driver = { 2939 "zyd", 2940 zyd_methods, 2941 sizeof(struct zyd_softc) 2942}; 2943 2944static devclass_t zyd_devclass; 2945 2946DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2947MODULE_DEPEND(zyd, usb, 1, 1, 1); 2948MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2949MODULE_VERSION(zyd, 1); 2950