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: stable/11/sys/dev/usb/wlan/if_zyd.c 343976 2019-02-10 21:00:02Z avos $ */ 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: stable/11/sys/dev/usb/wlan/if_zyd.c 343976 2019-02-10 21:00:02Z avos $"); 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 <net/bpf.h> 46#include <net/if.h> 47#include <net/if_var.h> 48#include <net/if_arp.h> 49#include <net/ethernet.h> 50#include <net/if_dl.h> 51#include <net/if_media.h> 52#include <net/if_types.h> 53 54#ifdef INET 55#include <netinet/in.h> 56#include <netinet/in_systm.h> 57#include <netinet/in_var.h> 58#include <netinet/if_ether.h> 59#include <netinet/ip.h> 60#endif 61 62#include <net80211/ieee80211_var.h> 63#include <net80211/ieee80211_regdomain.h> 64#include <net80211/ieee80211_radiotap.h> 65#include <net80211/ieee80211_ratectl.h> 66 67#include <dev/usb/usb.h> 68#include <dev/usb/usbdi.h> 69#include <dev/usb/usbdi_util.h> 70#include "usbdevs.h" 71 72#include <dev/usb/wlan/if_zydreg.h> 73#include <dev/usb/wlan/if_zydfw.h> 74 75#ifdef USB_DEBUG 76static int zyd_debug = 0; 77 78static SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd"); 79SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RWTUN, &zyd_debug, 0, 80 "zyd debug level"); 81 82enum { 83 ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 84 ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */ 85 ZYD_DEBUG_RESET = 0x00000004, /* reset processing */ 86 ZYD_DEBUG_INIT = 0x00000008, /* device init */ 87 ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 88 ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 89 ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 90 ZYD_DEBUG_STAT = 0x00000080, /* statistic */ 91 ZYD_DEBUG_FW = 0x00000100, /* firmware */ 92 ZYD_DEBUG_CMD = 0x00000200, /* fw commands */ 93 ZYD_DEBUG_ANY = 0xffffffff 94}; 95#define DPRINTF(sc, m, fmt, ...) do { \ 96 if (zyd_debug & (m)) \ 97 printf("%s: " fmt, __func__, ## __VA_ARGS__); \ 98} while (0) 99#else 100#define DPRINTF(sc, m, fmt, ...) do { \ 101 (void) sc; \ 102} while (0) 103#endif 104 105#define zyd_do_request(sc,req,data) \ 106 usbd_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000) 107 108static device_probe_t zyd_match; 109static device_attach_t zyd_attach; 110static device_detach_t zyd_detach; 111 112static usb_callback_t zyd_intr_read_callback; 113static usb_callback_t zyd_intr_write_callback; 114static usb_callback_t zyd_bulk_read_callback; 115static usb_callback_t zyd_bulk_write_callback; 116 117static struct ieee80211vap *zyd_vap_create(struct ieee80211com *, 118 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 119 const uint8_t [IEEE80211_ADDR_LEN], 120 const uint8_t [IEEE80211_ADDR_LEN]); 121static void zyd_vap_delete(struct ieee80211vap *); 122static void zyd_tx_free(struct zyd_tx_data *, int); 123static void zyd_setup_tx_list(struct zyd_softc *); 124static void zyd_unsetup_tx_list(struct zyd_softc *); 125static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int); 126static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 127 void *, int, int); 128static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 129static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 130static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 131static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 132static int zyd_rfwrite(struct zyd_softc *, uint32_t); 133static int zyd_lock_phy(struct zyd_softc *); 134static int zyd_unlock_phy(struct zyd_softc *); 135static int zyd_rf_attach(struct zyd_softc *, uint8_t); 136static const char *zyd_rf_name(uint8_t); 137static int zyd_hw_init(struct zyd_softc *); 138static int zyd_read_pod(struct zyd_softc *); 139static int zyd_read_eeprom(struct zyd_softc *); 140static int zyd_get_macaddr(struct zyd_softc *); 141static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 142static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 143static int zyd_switch_radio(struct zyd_softc *, int); 144static int zyd_set_led(struct zyd_softc *, int, int); 145static void zyd_set_multi(struct zyd_softc *); 146static void zyd_update_mcast(struct ieee80211com *); 147static int zyd_set_rxfilter(struct zyd_softc *); 148static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 149static int zyd_set_beacon_interval(struct zyd_softc *, int); 150static void zyd_rx_data(struct usb_xfer *, int, uint16_t); 151static int zyd_tx_start(struct zyd_softc *, struct mbuf *, 152 struct ieee80211_node *); 153static int zyd_transmit(struct ieee80211com *, struct mbuf *); 154static void zyd_start(struct zyd_softc *); 155static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *, 156 const struct ieee80211_bpf_params *); 157static void zyd_parent(struct ieee80211com *); 158static void zyd_init_locked(struct zyd_softc *); 159static void zyd_stop(struct zyd_softc *); 160static int zyd_loadfirmware(struct zyd_softc *); 161static void zyd_scan_start(struct ieee80211com *); 162static void zyd_scan_end(struct ieee80211com *); 163static void zyd_getradiocaps(struct ieee80211com *, int, int *, 164 struct ieee80211_channel[]); 165static void zyd_set_channel(struct ieee80211com *); 166static int zyd_rfmd_init(struct zyd_rf *); 167static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 168static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 169static int zyd_al2230_init(struct zyd_rf *); 170static int zyd_al2230_switch_radio(struct zyd_rf *, int); 171static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 172static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t); 173static int zyd_al2230_init_b(struct zyd_rf *); 174static int zyd_al7230B_init(struct zyd_rf *); 175static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 176static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 177static int zyd_al2210_init(struct zyd_rf *); 178static int zyd_al2210_switch_radio(struct zyd_rf *, int); 179static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 180static int zyd_gct_init(struct zyd_rf *); 181static int zyd_gct_switch_radio(struct zyd_rf *, int); 182static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 183static int zyd_gct_mode(struct zyd_rf *); 184static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int); 185static int zyd_gct_write(struct zyd_rf *, uint16_t); 186static int zyd_gct_txgain(struct zyd_rf *, uint8_t); 187static int zyd_maxim2_init(struct zyd_rf *); 188static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 189static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 190 191static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 192static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 193 194/* various supported device vendors/products */ 195#define ZYD_ZD1211 0 196#define ZYD_ZD1211B 1 197 198#define ZYD_ZD1211_DEV(v,p) \ 199 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) } 200#define ZYD_ZD1211B_DEV(v,p) \ 201 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) } 202static const STRUCT_USB_HOST_ID zyd_devs[] = { 203 /* ZYD_ZD1211 */ 204 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 205 ZYD_ZD1211_DEV(ABOCOM, WL54), 206 ZYD_ZD1211_DEV(ASUS, WL159G), 207 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 208 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 209 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 210 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 211 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 212 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 213 ZYD_ZD1211_DEV(SAGEM, XG760A), 214 ZYD_ZD1211_DEV(SENAO, NUB8301), 215 ZYD_ZD1211_DEV(SITECOMEU, WL113), 216 ZYD_ZD1211_DEV(SWEEX, ZD1211), 217 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 218 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 219 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 220 ZYD_ZD1211_DEV(TWINMOS, G240), 221 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 222 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 223 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 224 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 225 ZYD_ZD1211_DEV(ZCOM, ZD1211), 226 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 227 ZYD_ZD1211_DEV(ZYXEL, AG225H), 228 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 229 ZYD_ZD1211_DEV(ZYXEL, G200V2), 230 /* ZYD_ZD1211B */ 231 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG_NF), 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 ieee80211com *ic = &sc->sc_ic; 335 uint8_t iface_index; 336 int error; 337 338 if (uaa->info.bcdDevice < 0x4330) { 339 device_printf(dev, "device version mismatch: 0x%X " 340 "(only >= 43.30 supported)\n", 341 uaa->info.bcdDevice); 342 return (EINVAL); 343 } 344 345 device_set_usb_desc(dev); 346 sc->sc_dev = dev; 347 sc->sc_udev = uaa->device; 348 sc->sc_macrev = USB_GET_DRIVER_INFO(uaa); 349 350 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 351 MTX_NETWORK_LOCK, MTX_DEF); 352 STAILQ_INIT(&sc->sc_rqh); 353 mbufq_init(&sc->sc_snd, ifqmaxlen); 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 ic->ic_softc = sc; 374 ic->ic_name = device_get_nameunit(dev); 375 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 376 ic->ic_opmode = IEEE80211_M_STA; 377 378 /* set device capabilities */ 379 ic->ic_caps = 380 IEEE80211_C_STA /* station mode */ 381 | IEEE80211_C_MONITOR /* monitor mode */ 382 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 383 | IEEE80211_C_SHSLOT /* short slot time supported */ 384 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 385 | IEEE80211_C_WPA /* 802.11i */ 386 ; 387 388 zyd_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, 389 ic->ic_channels); 390 391 ieee80211_ifattach(ic); 392 ic->ic_raw_xmit = zyd_raw_xmit; 393 ic->ic_scan_start = zyd_scan_start; 394 ic->ic_scan_end = zyd_scan_end; 395 ic->ic_getradiocaps = zyd_getradiocaps; 396 ic->ic_set_channel = zyd_set_channel; 397 ic->ic_vap_create = zyd_vap_create; 398 ic->ic_vap_delete = zyd_vap_delete; 399 ic->ic_update_mcast = zyd_update_mcast; 400 ic->ic_update_promisc = zyd_update_mcast; 401 ic->ic_parent = zyd_parent; 402 ic->ic_transmit = zyd_transmit; 403 404 ieee80211_radiotap_attach(ic, 405 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 406 ZYD_TX_RADIOTAP_PRESENT, 407 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 408 ZYD_RX_RADIOTAP_PRESENT); 409 410 if (bootverbose) 411 ieee80211_announce(ic); 412 413 return (0); 414 415detach: 416 zyd_detach(dev); 417 return (ENXIO); /* failure */ 418} 419 420static void 421zyd_drain_mbufq(struct zyd_softc *sc) 422{ 423 struct mbuf *m; 424 struct ieee80211_node *ni; 425 426 ZYD_LOCK_ASSERT(sc, MA_OWNED); 427 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 428 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 429 m->m_pkthdr.rcvif = NULL; 430 ieee80211_free_node(ni); 431 m_freem(m); 432 } 433} 434 435 436static int 437zyd_detach(device_t dev) 438{ 439 struct zyd_softc *sc = device_get_softc(dev); 440 struct ieee80211com *ic = &sc->sc_ic; 441 unsigned int x; 442 443 /* 444 * Prevent further allocations from RX/TX data 445 * lists and ioctls: 446 */ 447 ZYD_LOCK(sc); 448 sc->sc_flags |= ZYD_FLAG_DETACHED; 449 zyd_drain_mbufq(sc); 450 STAILQ_INIT(&sc->tx_q); 451 STAILQ_INIT(&sc->tx_free); 452 ZYD_UNLOCK(sc); 453 454 /* drain USB transfers */ 455 for (x = 0; x != ZYD_N_TRANSFER; x++) 456 usbd_transfer_drain(sc->sc_xfer[x]); 457 458 /* free TX list, if any */ 459 ZYD_LOCK(sc); 460 zyd_unsetup_tx_list(sc); 461 ZYD_UNLOCK(sc); 462 463 /* free USB transfers and some data buffers */ 464 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 465 466 if (ic->ic_softc == sc) 467 ieee80211_ifdetach(ic); 468 mtx_destroy(&sc->sc_mtx); 469 470 return (0); 471} 472 473static struct ieee80211vap * 474zyd_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 475 enum ieee80211_opmode opmode, int flags, 476 const uint8_t bssid[IEEE80211_ADDR_LEN], 477 const uint8_t mac[IEEE80211_ADDR_LEN]) 478{ 479 struct zyd_vap *zvp; 480 struct ieee80211vap *vap; 481 482 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 483 return (NULL); 484 zvp = malloc(sizeof(struct zyd_vap), M_80211_VAP, M_WAITOK | M_ZERO); 485 vap = &zvp->vap; 486 487 /* enable s/w bmiss handling for sta mode */ 488 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 489 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 490 /* out of memory */ 491 free(zvp, M_80211_VAP); 492 return (NULL); 493 } 494 495 /* override state transition machine */ 496 zvp->newstate = vap->iv_newstate; 497 vap->iv_newstate = zyd_newstate; 498 499 ieee80211_ratectl_init(vap); 500 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 501 502 /* complete setup */ 503 ieee80211_vap_attach(vap, ieee80211_media_change, 504 ieee80211_media_status, mac); 505 ic->ic_opmode = opmode; 506 return (vap); 507} 508 509static void 510zyd_vap_delete(struct ieee80211vap *vap) 511{ 512 struct zyd_vap *zvp = ZYD_VAP(vap); 513 514 ieee80211_ratectl_deinit(vap); 515 ieee80211_vap_detach(vap); 516 free(zvp, M_80211_VAP); 517} 518 519static void 520zyd_tx_free(struct zyd_tx_data *data, int txerr) 521{ 522 struct zyd_softc *sc = data->sc; 523 524 if (data->m != NULL) { 525 ieee80211_tx_complete(data->ni, data->m, txerr); 526 data->m = NULL; 527 data->ni = NULL; 528 } 529 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 530 sc->tx_nfree++; 531} 532 533static void 534zyd_setup_tx_list(struct zyd_softc *sc) 535{ 536 struct zyd_tx_data *data; 537 int i; 538 539 sc->tx_nfree = 0; 540 STAILQ_INIT(&sc->tx_q); 541 STAILQ_INIT(&sc->tx_free); 542 543 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 544 data = &sc->tx_data[i]; 545 546 data->sc = sc; 547 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 548 sc->tx_nfree++; 549 } 550} 551 552static void 553zyd_unsetup_tx_list(struct zyd_softc *sc) 554{ 555 struct zyd_tx_data *data; 556 int i; 557 558 /* make sure any subsequent use of the queues will fail */ 559 sc->tx_nfree = 0; 560 STAILQ_INIT(&sc->tx_q); 561 STAILQ_INIT(&sc->tx_free); 562 563 /* free up all node references and mbufs */ 564 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 565 data = &sc->tx_data[i]; 566 567 if (data->m != NULL) { 568 m_freem(data->m); 569 data->m = NULL; 570 } 571 if (data->ni != NULL) { 572 ieee80211_free_node(data->ni); 573 data->ni = NULL; 574 } 575 } 576} 577 578static int 579zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 580{ 581 struct zyd_vap *zvp = ZYD_VAP(vap); 582 struct ieee80211com *ic = vap->iv_ic; 583 struct zyd_softc *sc = ic->ic_softc; 584 int error; 585 586 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__, 587 ieee80211_state_name[vap->iv_state], 588 ieee80211_state_name[nstate]); 589 590 IEEE80211_UNLOCK(ic); 591 ZYD_LOCK(sc); 592 switch (nstate) { 593 case IEEE80211_S_AUTH: 594 zyd_set_chan(sc, ic->ic_curchan); 595 break; 596 case IEEE80211_S_RUN: 597 if (vap->iv_opmode == IEEE80211_M_MONITOR) 598 break; 599 600 /* turn link LED on */ 601 error = zyd_set_led(sc, ZYD_LED1, 1); 602 if (error != 0) 603 break; 604 605 /* make data LED blink upon Tx */ 606 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 607 608 IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid); 609 zyd_set_bssid(sc, sc->sc_bssid); 610 break; 611 default: 612 break; 613 } 614fail: 615 ZYD_UNLOCK(sc); 616 IEEE80211_LOCK(ic); 617 return (zvp->newstate(vap, nstate, arg)); 618} 619 620/* 621 * Callback handler for interrupt transfer 622 */ 623static void 624zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) 625{ 626 struct zyd_softc *sc = usbd_xfer_softc(xfer); 627 struct ieee80211com *ic = &sc->sc_ic; 628 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 629 struct ieee80211_node *ni; 630 struct zyd_cmd *cmd = &sc->sc_ibuf; 631 struct usb_page_cache *pc; 632 int datalen; 633 int actlen; 634 635 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 636 637 switch (USB_GET_STATE(xfer)) { 638 case USB_ST_TRANSFERRED: 639 pc = usbd_xfer_get_frame(xfer, 0); 640 usbd_copy_out(pc, 0, cmd, sizeof(*cmd)); 641 642 switch (le16toh(cmd->code)) { 643 case ZYD_NOTIF_RETRYSTATUS: 644 { 645 struct zyd_notif_retry *retry = 646 (struct zyd_notif_retry *)cmd->data; 647 648 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 649 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 650 le16toh(retry->rate), ether_sprintf(retry->macaddr), 651 le16toh(retry->count)&0xff, le16toh(retry->count)); 652 653 /* 654 * Find the node to which the packet was sent and 655 * update its retry statistics. In BSS mode, this node 656 * is the AP we're associated to so no lookup is 657 * actually needed. 658 */ 659 ni = ieee80211_find_txnode(vap, retry->macaddr); 660 if (ni != NULL) { 661 int retrycnt = 662 (int)(le16toh(retry->count) & 0xff); 663 664 ieee80211_ratectl_tx_complete(vap, ni, 665 IEEE80211_RATECTL_TX_FAILURE, 666 &retrycnt, NULL); 667 ieee80211_free_node(ni); 668 } 669 if (le16toh(retry->count) & 0x100) 670 /* too many retries */ 671 if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, 672 1); 673 break; 674 } 675 case ZYD_NOTIF_IORD: 676 { 677 struct zyd_rq *rqp; 678 679 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 680 break; /* HMAC interrupt */ 681 682 datalen = actlen - sizeof(cmd->code); 683 datalen -= 2; /* XXX: padding? */ 684 685 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 686 int i; 687 int count; 688 689 if (rqp->olen != datalen) 690 continue; 691 count = rqp->olen / sizeof(struct zyd_pair); 692 for (i = 0; i < count; i++) { 693 if (*(((const uint16_t *)rqp->idata) + i) != 694 (((struct zyd_pair *)cmd->data) + i)->reg) 695 break; 696 } 697 if (i != count) 698 continue; 699 /* copy answer into caller-supplied buffer */ 700 memcpy(rqp->odata, cmd->data, rqp->olen); 701 DPRINTF(sc, ZYD_DEBUG_CMD, 702 "command %p complete, data = %*D \n", 703 rqp, rqp->olen, (char *)rqp->odata, ":"); 704 wakeup(rqp); /* wakeup caller */ 705 break; 706 } 707 if (rqp == NULL) { 708 device_printf(sc->sc_dev, 709 "unexpected IORD notification %*D\n", 710 datalen, cmd->data, ":"); 711 } 712 break; 713 } 714 default: 715 device_printf(sc->sc_dev, "unknown notification %x\n", 716 le16toh(cmd->code)); 717 } 718 719 /* FALLTHROUGH */ 720 case USB_ST_SETUP: 721tr_setup: 722 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 723 usbd_transfer_submit(xfer); 724 break; 725 726 default: /* Error */ 727 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 728 usbd_errstr(error)); 729 730 if (error != USB_ERR_CANCELLED) { 731 /* try to clear stall first */ 732 usbd_xfer_set_stall(xfer); 733 goto tr_setup; 734 } 735 break; 736 } 737} 738 739static void 740zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) 741{ 742 struct zyd_softc *sc = usbd_xfer_softc(xfer); 743 struct zyd_rq *rqp, *cmd; 744 struct usb_page_cache *pc; 745 746 switch (USB_GET_STATE(xfer)) { 747 case USB_ST_TRANSFERRED: 748 cmd = usbd_xfer_get_priv(xfer); 749 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd); 750 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 751 /* Ensure the cached rq pointer is still valid */ 752 if (rqp == cmd && 753 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 754 wakeup(rqp); /* wakeup caller */ 755 } 756 757 /* FALLTHROUGH */ 758 case USB_ST_SETUP: 759tr_setup: 760 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 761 if (rqp->flags & ZYD_CMD_FLAG_SENT) 762 continue; 763 764 pc = usbd_xfer_get_frame(xfer, 0); 765 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen); 766 767 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen); 768 usbd_xfer_set_priv(xfer, rqp); 769 rqp->flags |= ZYD_CMD_FLAG_SENT; 770 usbd_transfer_submit(xfer); 771 break; 772 } 773 break; 774 775 default: /* Error */ 776 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 777 usbd_errstr(error)); 778 779 if (error != USB_ERR_CANCELLED) { 780 /* try to clear stall first */ 781 usbd_xfer_set_stall(xfer); 782 goto tr_setup; 783 } 784 break; 785 } 786} 787 788static int 789zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 790 void *odata, int olen, int flags) 791{ 792 struct zyd_cmd cmd; 793 struct zyd_rq rq; 794 int error; 795 796 if (ilen > (int)sizeof(cmd.data)) 797 return (EINVAL); 798 799 cmd.code = htole16(code); 800 memcpy(cmd.data, idata, ilen); 801 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 802 &rq, ilen, idata, ":"); 803 804 rq.cmd = &cmd; 805 rq.idata = idata; 806 rq.odata = odata; 807 rq.ilen = sizeof(uint16_t) + ilen; 808 rq.olen = olen; 809 rq.flags = flags; 810 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 811 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 812 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 813 814 /* wait at most one second for command reply */ 815 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 816 if (error) 817 device_printf(sc->sc_dev, "command timeout\n"); 818 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 819 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 820 &rq, error); 821 822 return (error); 823} 824 825static int 826zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 827{ 828 struct zyd_pair tmp; 829 int error; 830 831 reg = htole16(reg); 832 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 833 ZYD_CMD_FLAG_READ); 834 if (error == 0) 835 *val = le16toh(tmp.val); 836 return (error); 837} 838 839static int 840zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 841{ 842 struct zyd_pair tmp[2]; 843 uint16_t regs[2]; 844 int error; 845 846 regs[0] = htole16(ZYD_REG32_HI(reg)); 847 regs[1] = htole16(ZYD_REG32_LO(reg)); 848 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 849 ZYD_CMD_FLAG_READ); 850 if (error == 0) 851 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 852 return (error); 853} 854 855static int 856zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 857{ 858 struct zyd_pair pair; 859 860 pair.reg = htole16(reg); 861 pair.val = htole16(val); 862 863 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 864} 865 866static int 867zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 868{ 869 struct zyd_pair pair[2]; 870 871 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 872 pair[0].val = htole16(val >> 16); 873 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 874 pair[1].val = htole16(val & 0xffff); 875 876 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 877} 878 879static int 880zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 881{ 882 struct zyd_rf *rf = &sc->sc_rf; 883 struct zyd_rfwrite_cmd req; 884 uint16_t cr203; 885 int error, i; 886 887 zyd_read16_m(sc, ZYD_CR203, &cr203); 888 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 889 890 req.code = htole16(2); 891 req.width = htole16(rf->width); 892 for (i = 0; i < rf->width; i++) { 893 req.bit[i] = htole16(cr203); 894 if (val & (1 << (rf->width - 1 - i))) 895 req.bit[i] |= htole16(ZYD_RF_DATA); 896 } 897 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 898fail: 899 return (error); 900} 901 902static int 903zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 904{ 905 int error; 906 907 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 908 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 909 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 910fail: 911 return (error); 912} 913 914static int 915zyd_lock_phy(struct zyd_softc *sc) 916{ 917 int error; 918 uint32_t tmp; 919 920 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 921 tmp &= ~ZYD_UNLOCK_PHY_REGS; 922 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 923fail: 924 return (error); 925} 926 927static int 928zyd_unlock_phy(struct zyd_softc *sc) 929{ 930 int error; 931 uint32_t tmp; 932 933 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 934 tmp |= ZYD_UNLOCK_PHY_REGS; 935 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 936fail: 937 return (error); 938} 939 940/* 941 * RFMD RF methods. 942 */ 943static int 944zyd_rfmd_init(struct zyd_rf *rf) 945{ 946 struct zyd_softc *sc = rf->rf_sc; 947 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 948 static const uint32_t rfini[] = ZYD_RFMD_RF; 949 int i, error; 950 951 /* init RF-dependent PHY registers */ 952 for (i = 0; i < nitems(phyini); i++) { 953 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 954 } 955 956 /* init RFMD radio */ 957 for (i = 0; i < nitems(rfini); i++) { 958 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 959 return (error); 960 } 961fail: 962 return (error); 963} 964 965static int 966zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 967{ 968 int error; 969 struct zyd_softc *sc = rf->rf_sc; 970 971 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 972 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 973fail: 974 return (error); 975} 976 977static int 978zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 979{ 980 int error; 981 struct zyd_softc *sc = rf->rf_sc; 982 static const struct { 983 uint32_t r1, r2; 984 } rfprog[] = ZYD_RFMD_CHANTABLE; 985 986 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 987 if (error != 0) 988 goto fail; 989 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 990 if (error != 0) 991 goto fail; 992 993fail: 994 return (error); 995} 996 997/* 998 * AL2230 RF methods. 999 */ 1000static int 1001zyd_al2230_init(struct zyd_rf *rf) 1002{ 1003 struct zyd_softc *sc = rf->rf_sc; 1004 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1005 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1006 static const struct zyd_phy_pair phypll[] = { 1007 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1008 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1009 }; 1010 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1011 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1012 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1013 int i, error; 1014 1015 /* init RF-dependent PHY registers */ 1016 for (i = 0; i < nitems(phyini); i++) 1017 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1018 1019 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1020 for (i = 0; i < nitems(phy2230s); i++) 1021 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1022 } 1023 1024 /* init AL2230 radio */ 1025 for (i = 0; i < nitems(rfini1); i++) { 1026 error = zyd_rfwrite(sc, rfini1[i]); 1027 if (error != 0) 1028 goto fail; 1029 } 1030 1031 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1032 error = zyd_rfwrite(sc, 0x000824); 1033 else 1034 error = zyd_rfwrite(sc, 0x0005a4); 1035 if (error != 0) 1036 goto fail; 1037 1038 for (i = 0; i < nitems(rfini2); i++) { 1039 error = zyd_rfwrite(sc, rfini2[i]); 1040 if (error != 0) 1041 goto fail; 1042 } 1043 1044 for (i = 0; i < nitems(phypll); i++) 1045 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1046 1047 for (i = 0; i < nitems(rfini3); i++) { 1048 error = zyd_rfwrite(sc, rfini3[i]); 1049 if (error != 0) 1050 goto fail; 1051 } 1052fail: 1053 return (error); 1054} 1055 1056static int 1057zyd_al2230_fini(struct zyd_rf *rf) 1058{ 1059 int error, i; 1060 struct zyd_softc *sc = rf->rf_sc; 1061 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1062 1063 for (i = 0; i < nitems(phy); i++) 1064 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1065 1066 if (sc->sc_newphy != 0) 1067 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1068 1069 zyd_write16_m(sc, ZYD_CR203, 0x6); 1070fail: 1071 return (error); 1072} 1073 1074static int 1075zyd_al2230_init_b(struct zyd_rf *rf) 1076{ 1077 struct zyd_softc *sc = rf->rf_sc; 1078 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1079 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1080 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1081 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1082 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1083 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1084 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1085 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1086 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1087 int i, error; 1088 1089 for (i = 0; i < nitems(phy1); i++) 1090 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1091 1092 /* init RF-dependent PHY registers */ 1093 for (i = 0; i < nitems(phyini); i++) 1094 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1095 1096 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1097 for (i = 0; i < nitems(phy2230s); i++) 1098 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1099 } 1100 1101 for (i = 0; i < 3; i++) { 1102 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1103 if (error != 0) 1104 return (error); 1105 } 1106 1107 for (i = 0; i < nitems(rfini_part1); i++) { 1108 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1109 if (error != 0) 1110 return (error); 1111 } 1112 1113 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1114 error = zyd_rfwrite(sc, 0x241000); 1115 else 1116 error = zyd_rfwrite(sc, 0x25a000); 1117 if (error != 0) 1118 goto fail; 1119 1120 for (i = 0; i < nitems(rfini_part2); i++) { 1121 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1122 if (error != 0) 1123 return (error); 1124 } 1125 1126 for (i = 0; i < nitems(phy2); i++) 1127 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1128 1129 for (i = 0; i < nitems(rfini_part3); i++) { 1130 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1131 if (error != 0) 1132 return (error); 1133 } 1134 1135 for (i = 0; i < nitems(phy3); i++) 1136 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1137 1138 error = zyd_al2230_fini(rf); 1139fail: 1140 return (error); 1141} 1142 1143static int 1144zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1145{ 1146 struct zyd_softc *sc = rf->rf_sc; 1147 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1148 1149 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1150 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1151fail: 1152 return (error); 1153} 1154 1155static int 1156zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1157{ 1158 int error, i; 1159 struct zyd_softc *sc = rf->rf_sc; 1160 static const struct zyd_phy_pair phy1[] = { 1161 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1162 }; 1163 static const struct { 1164 uint32_t r1, r2, r3; 1165 } rfprog[] = ZYD_AL2230_CHANTABLE; 1166 1167 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1168 if (error != 0) 1169 goto fail; 1170 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1171 if (error != 0) 1172 goto fail; 1173 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1174 if (error != 0) 1175 goto fail; 1176 1177 for (i = 0; i < nitems(phy1); i++) 1178 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1179fail: 1180 return (error); 1181} 1182 1183static int 1184zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1185{ 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 < nitems(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} 1209 1210#define ZYD_AL2230_PHY_BANDEDGE6 \ 1211{ \ 1212 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1213 { ZYD_CR47, 0x1e } \ 1214} 1215 1216static int 1217zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1218{ 1219 int error = 0, i; 1220 struct zyd_softc *sc = rf->rf_sc; 1221 struct ieee80211com *ic = &sc->sc_ic; 1222 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1223 int chan = ieee80211_chan2ieee(ic, c); 1224 1225 if (chan == 1 || chan == 11) 1226 r[0].val = 0x12; 1227 1228 for (i = 0; i < nitems(r); i++) 1229 zyd_write16_m(sc, r[i].reg, r[i].val); 1230fail: 1231 return (error); 1232} 1233 1234/* 1235 * AL7230B RF methods. 1236 */ 1237static int 1238zyd_al7230B_init(struct zyd_rf *rf) 1239{ 1240 struct zyd_softc *sc = rf->rf_sc; 1241 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1242 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1243 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1244 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1245 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1246 int i, error; 1247 1248 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1249 1250 /* init RF-dependent PHY registers, part one */ 1251 for (i = 0; i < nitems(phyini_1); i++) 1252 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1253 1254 /* init AL7230B radio, part one */ 1255 for (i = 0; i < nitems(rfini_1); i++) { 1256 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1257 return (error); 1258 } 1259 /* init RF-dependent PHY registers, part two */ 1260 for (i = 0; i < nitems(phyini_2); i++) 1261 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1262 1263 /* init AL7230B radio, part two */ 1264 for (i = 0; i < nitems(rfini_2); i++) { 1265 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1266 return (error); 1267 } 1268 /* init RF-dependent PHY registers, part three */ 1269 for (i = 0; i < nitems(phyini_3); i++) 1270 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1271fail: 1272 return (error); 1273} 1274 1275static int 1276zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1277{ 1278 int error; 1279 struct zyd_softc *sc = rf->rf_sc; 1280 1281 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1282 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1283fail: 1284 return (error); 1285} 1286 1287static int 1288zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1289{ 1290 struct zyd_softc *sc = rf->rf_sc; 1291 static const struct { 1292 uint32_t r1, r2; 1293 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1294 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1295 int i, error; 1296 1297 zyd_write16_m(sc, ZYD_CR240, 0x57); 1298 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1299 1300 for (i = 0; i < nitems(rfsc); i++) { 1301 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1302 return (error); 1303 } 1304 1305 zyd_write16_m(sc, ZYD_CR128, 0x14); 1306 zyd_write16_m(sc, ZYD_CR129, 0x12); 1307 zyd_write16_m(sc, ZYD_CR130, 0x10); 1308 zyd_write16_m(sc, ZYD_CR38, 0x38); 1309 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1310 1311 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1312 if (error != 0) 1313 goto fail; 1314 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1315 if (error != 0) 1316 goto fail; 1317 error = zyd_rfwrite(sc, 0x3c9000); 1318 if (error != 0) 1319 goto fail; 1320 1321 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1322 zyd_write16_m(sc, ZYD_CR203, 0x06); 1323 zyd_write16_m(sc, ZYD_CR240, 0x08); 1324fail: 1325 return (error); 1326} 1327 1328/* 1329 * AL2210 RF methods. 1330 */ 1331static int 1332zyd_al2210_init(struct zyd_rf *rf) 1333{ 1334 struct zyd_softc *sc = rf->rf_sc; 1335 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1336 static const uint32_t rfini[] = ZYD_AL2210_RF; 1337 uint32_t tmp; 1338 int i, error; 1339 1340 zyd_write32_m(sc, ZYD_CR18, 2); 1341 1342 /* init RF-dependent PHY registers */ 1343 for (i = 0; i < nitems(phyini); i++) 1344 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1345 1346 /* init AL2210 radio */ 1347 for (i = 0; i < nitems(rfini); i++) { 1348 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1349 return (error); 1350 } 1351 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1352 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1353 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1354 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1355 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1356 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1357 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1358 zyd_write32_m(sc, ZYD_CR18, 3); 1359fail: 1360 return (error); 1361} 1362 1363static int 1364zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1365{ 1366 /* vendor driver does nothing for this RF chip */ 1367 1368 return (0); 1369} 1370 1371static int 1372zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1373{ 1374 int error; 1375 struct zyd_softc *sc = rf->rf_sc; 1376 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1377 uint32_t tmp; 1378 1379 zyd_write32_m(sc, ZYD_CR18, 2); 1380 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1381 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1382 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1383 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1384 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1385 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1386 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1387 1388 /* actually set the channel */ 1389 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1390 if (error != 0) 1391 goto fail; 1392 1393 zyd_write32_m(sc, ZYD_CR18, 3); 1394fail: 1395 return (error); 1396} 1397 1398/* 1399 * GCT RF methods. 1400 */ 1401static int 1402zyd_gct_init(struct zyd_rf *rf) 1403{ 1404#define ZYD_GCT_INTR_REG 0x85c1 1405 struct zyd_softc *sc = rf->rf_sc; 1406 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1407 static const uint32_t rfini[] = ZYD_GCT_RF; 1408 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1409 int i, idx = -1, error; 1410 uint16_t data; 1411 1412 /* init RF-dependent PHY registers */ 1413 for (i = 0; i < nitems(phyini); i++) 1414 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1415 1416 /* init cgt radio */ 1417 for (i = 0; i < nitems(rfini); i++) { 1418 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1419 return (error); 1420 } 1421 1422 error = zyd_gct_mode(rf); 1423 if (error != 0) 1424 return (error); 1425 1426 for (i = 0; i < (int)(nitems(vco) - 1); i++) { 1427 error = zyd_gct_set_channel_synth(rf, 1, 0); 1428 if (error != 0) 1429 goto fail; 1430 error = zyd_gct_write(rf, vco[i][0]); 1431 if (error != 0) 1432 goto fail; 1433 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1434 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1435 if ((data & 0xf) == 0) { 1436 idx = i; 1437 break; 1438 } 1439 } 1440 if (idx == -1) { 1441 error = zyd_gct_set_channel_synth(rf, 1, 1); 1442 if (error != 0) 1443 goto fail; 1444 error = zyd_gct_write(rf, 0x6662); 1445 if (error != 0) 1446 goto fail; 1447 } 1448 1449 rf->idx = idx; 1450 zyd_write16_m(sc, ZYD_CR203, 0x6); 1451fail: 1452 return (error); 1453#undef ZYD_GCT_INTR_REG 1454} 1455 1456static int 1457zyd_gct_mode(struct zyd_rf *rf) 1458{ 1459 struct zyd_softc *sc = rf->rf_sc; 1460 static const uint32_t mode[] = { 1461 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1462 }; 1463 int i, error; 1464 1465 for (i = 0; i < nitems(mode); i++) { 1466 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1467 break; 1468 } 1469 return (error); 1470} 1471 1472static int 1473zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1474{ 1475 int error, idx = chan - 1; 1476 struct zyd_softc *sc = rf->rf_sc; 1477 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1478 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1479 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1480 1481 error = zyd_rfwrite(sc, 1482 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1483 if (error != 0) 1484 return (error); 1485 return zyd_rfwrite(sc, div_synth[idx]); 1486} 1487 1488static int 1489zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1490{ 1491 struct zyd_softc *sc = rf->rf_sc; 1492 1493 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1494} 1495 1496static int 1497zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1498{ 1499 int error; 1500 struct zyd_softc *sc = rf->rf_sc; 1501 1502 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1503 if (error != 0) 1504 return (error); 1505 1506 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1507 zyd_write16_m(sc, ZYD_CR251, 1508 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1509fail: 1510 return (error); 1511} 1512 1513static int 1514zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1515{ 1516 int error, i; 1517 struct zyd_softc *sc = rf->rf_sc; 1518 static const struct zyd_phy_pair cmd[] = { 1519 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1520 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1521 }; 1522 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1523 1524 error = zyd_gct_set_channel_synth(rf, chan, 0); 1525 if (error != 0) 1526 goto fail; 1527 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1528 vco[rf->idx][((chan - 1) / 2)]); 1529 if (error != 0) 1530 goto fail; 1531 error = zyd_gct_mode(rf); 1532 if (error != 0) 1533 return (error); 1534 for (i = 0; i < nitems(cmd); i++) 1535 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1536 error = zyd_gct_txgain(rf, chan); 1537 if (error != 0) 1538 return (error); 1539 zyd_write16_m(sc, ZYD_CR203, 0x6); 1540fail: 1541 return (error); 1542} 1543 1544static int 1545zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1546{ 1547 struct zyd_softc *sc = rf->rf_sc; 1548 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1549 uint8_t idx = sc->sc_pwrint[chan - 1]; 1550 1551 if (idx >= nitems(txgain)) { 1552 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1553 chan, idx); 1554 return 0; 1555 } 1556 1557 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1558} 1559 1560/* 1561 * Maxim2 RF methods. 1562 */ 1563static int 1564zyd_maxim2_init(struct zyd_rf *rf) 1565{ 1566 struct zyd_softc *sc = rf->rf_sc; 1567 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1568 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1569 uint16_t tmp; 1570 int i, error; 1571 1572 /* init RF-dependent PHY registers */ 1573 for (i = 0; i < nitems(phyini); i++) 1574 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1575 1576 zyd_read16_m(sc, ZYD_CR203, &tmp); 1577 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1578 1579 /* init maxim2 radio */ 1580 for (i = 0; i < nitems(rfini); i++) { 1581 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1582 return (error); 1583 } 1584 zyd_read16_m(sc, ZYD_CR203, &tmp); 1585 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1586fail: 1587 return (error); 1588} 1589 1590static int 1591zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1592{ 1593 1594 /* vendor driver does nothing for this RF chip */ 1595 return (0); 1596} 1597 1598static int 1599zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1600{ 1601 struct zyd_softc *sc = rf->rf_sc; 1602 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1603 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1604 static const struct { 1605 uint32_t r1, r2; 1606 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1607 uint16_t tmp; 1608 int i, error; 1609 1610 /* 1611 * Do the same as we do when initializing it, except for the channel 1612 * values coming from the two channel tables. 1613 */ 1614 1615 /* init RF-dependent PHY registers */ 1616 for (i = 0; i < nitems(phyini); i++) 1617 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1618 1619 zyd_read16_m(sc, ZYD_CR203, &tmp); 1620 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1621 1622 /* first two values taken from the chantables */ 1623 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1624 if (error != 0) 1625 goto fail; 1626 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1627 if (error != 0) 1628 goto fail; 1629 1630 /* init maxim2 radio - skipping the two first values */ 1631 for (i = 2; i < nitems(rfini); i++) { 1632 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1633 return (error); 1634 } 1635 zyd_read16_m(sc, ZYD_CR203, &tmp); 1636 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1637fail: 1638 return (error); 1639} 1640 1641static int 1642zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1643{ 1644 struct zyd_rf *rf = &sc->sc_rf; 1645 1646 rf->rf_sc = sc; 1647 rf->update_pwr = 1; 1648 1649 switch (type) { 1650 case ZYD_RF_RFMD: 1651 rf->init = zyd_rfmd_init; 1652 rf->switch_radio = zyd_rfmd_switch_radio; 1653 rf->set_channel = zyd_rfmd_set_channel; 1654 rf->width = 24; /* 24-bit RF values */ 1655 break; 1656 case ZYD_RF_AL2230: 1657 case ZYD_RF_AL2230S: 1658 if (sc->sc_macrev == ZYD_ZD1211B) { 1659 rf->init = zyd_al2230_init_b; 1660 rf->set_channel = zyd_al2230_set_channel_b; 1661 } else { 1662 rf->init = zyd_al2230_init; 1663 rf->set_channel = zyd_al2230_set_channel; 1664 } 1665 rf->switch_radio = zyd_al2230_switch_radio; 1666 rf->bandedge6 = zyd_al2230_bandedge6; 1667 rf->width = 24; /* 24-bit RF values */ 1668 break; 1669 case ZYD_RF_AL7230B: 1670 rf->init = zyd_al7230B_init; 1671 rf->switch_radio = zyd_al7230B_switch_radio; 1672 rf->set_channel = zyd_al7230B_set_channel; 1673 rf->width = 24; /* 24-bit RF values */ 1674 break; 1675 case ZYD_RF_AL2210: 1676 rf->init = zyd_al2210_init; 1677 rf->switch_radio = zyd_al2210_switch_radio; 1678 rf->set_channel = zyd_al2210_set_channel; 1679 rf->width = 24; /* 24-bit RF values */ 1680 break; 1681 case ZYD_RF_MAXIM_NEW: 1682 case ZYD_RF_GCT: 1683 rf->init = zyd_gct_init; 1684 rf->switch_radio = zyd_gct_switch_radio; 1685 rf->set_channel = zyd_gct_set_channel; 1686 rf->width = 24; /* 24-bit RF values */ 1687 rf->update_pwr = 0; 1688 break; 1689 case ZYD_RF_MAXIM_NEW2: 1690 rf->init = zyd_maxim2_init; 1691 rf->switch_radio = zyd_maxim2_switch_radio; 1692 rf->set_channel = zyd_maxim2_set_channel; 1693 rf->width = 18; /* 18-bit RF values */ 1694 break; 1695 default: 1696 device_printf(sc->sc_dev, 1697 "sorry, radio \"%s\" is not supported yet\n", 1698 zyd_rf_name(type)); 1699 return (EINVAL); 1700 } 1701 return (0); 1702} 1703 1704static const char * 1705zyd_rf_name(uint8_t type) 1706{ 1707 static const char * const zyd_rfs[] = { 1708 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1709 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1710 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1711 "PHILIPS" 1712 }; 1713 1714 return zyd_rfs[(type > 15) ? 0 : type]; 1715} 1716 1717static int 1718zyd_hw_init(struct zyd_softc *sc) 1719{ 1720 int error; 1721 const struct zyd_phy_pair *phyp; 1722 struct zyd_rf *rf = &sc->sc_rf; 1723 uint16_t val; 1724 1725 /* specify that the plug and play is finished */ 1726 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1727 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1728 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1729 sc->sc_fwbase); 1730 1731 /* retrieve firmware revision number */ 1732 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1733 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1734 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1735 /* set mandatory rates - XXX assumes 802.11b/g */ 1736 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1737 1738 /* disable interrupts */ 1739 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1740 1741 if ((error = zyd_read_pod(sc)) != 0) { 1742 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1743 goto fail; 1744 } 1745 1746 /* PHY init (resetting) */ 1747 error = zyd_lock_phy(sc); 1748 if (error != 0) 1749 goto fail; 1750 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1751 for (; phyp->reg != 0; phyp++) 1752 zyd_write16_m(sc, phyp->reg, phyp->val); 1753 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1754 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1755 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1756 } 1757 error = zyd_unlock_phy(sc); 1758 if (error != 0) 1759 goto fail; 1760 1761 /* HMAC init */ 1762 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1763 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1764 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1765 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1766 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1767 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1768 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1769 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1770 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1771 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1772 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1773 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1774 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1775 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1776 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1777 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1778 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1779 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1780 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1781 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1782 1783 if (sc->sc_macrev == ZYD_ZD1211) { 1784 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1785 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1786 } else { 1787 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1788 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1789 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1790 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1791 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1792 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1793 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1794 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1795 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1796 } 1797 1798 /* init beacon interval to 100ms */ 1799 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1800 goto fail; 1801 1802 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1803 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1804 sc->sc_rfrev); 1805 goto fail; 1806 } 1807 1808 /* RF chip init */ 1809 error = zyd_lock_phy(sc); 1810 if (error != 0) 1811 goto fail; 1812 error = (*rf->init)(rf); 1813 if (error != 0) { 1814 device_printf(sc->sc_dev, 1815 "radio initialization failed, error %d\n", error); 1816 goto fail; 1817 } 1818 error = zyd_unlock_phy(sc); 1819 if (error != 0) 1820 goto fail; 1821 1822 if ((error = zyd_read_eeprom(sc)) != 0) { 1823 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1824 goto fail; 1825 } 1826 1827fail: return (error); 1828} 1829 1830static int 1831zyd_read_pod(struct zyd_softc *sc) 1832{ 1833 int error; 1834 uint32_t tmp; 1835 1836 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1837 sc->sc_rfrev = tmp & 0x0f; 1838 sc->sc_ledtype = (tmp >> 4) & 0x01; 1839 sc->sc_al2230s = (tmp >> 7) & 0x01; 1840 sc->sc_cckgain = (tmp >> 8) & 0x01; 1841 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1842 sc->sc_parev = (tmp >> 16) & 0x0f; 1843 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1844 sc->sc_newphy = (tmp >> 31) & 0x01; 1845 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1846fail: 1847 return (error); 1848} 1849 1850static int 1851zyd_read_eeprom(struct zyd_softc *sc) 1852{ 1853 uint16_t val; 1854 int error, i; 1855 1856 /* read Tx power calibration tables */ 1857 for (i = 0; i < 7; i++) { 1858 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1859 sc->sc_pwrcal[i * 2] = val >> 8; 1860 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1861 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1862 sc->sc_pwrint[i * 2] = val >> 8; 1863 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1864 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1865 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1866 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1867 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1868 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1869 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1870 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1871 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1872 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1873 } 1874fail: 1875 return (error); 1876} 1877 1878static int 1879zyd_get_macaddr(struct zyd_softc *sc) 1880{ 1881 struct usb_device_request req; 1882 usb_error_t error; 1883 1884 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1885 req.bRequest = ZYD_READFWDATAREQ; 1886 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1887 USETW(req.wIndex, 0); 1888 USETW(req.wLength, IEEE80211_ADDR_LEN); 1889 1890 error = zyd_do_request(sc, &req, sc->sc_ic.ic_macaddr); 1891 if (error != 0) { 1892 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1893 usbd_errstr(error)); 1894 } 1895 1896 return (error); 1897} 1898 1899static int 1900zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1901{ 1902 int error; 1903 uint32_t tmp; 1904 1905 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1906 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1907 tmp = addr[5] << 8 | addr[4]; 1908 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1909fail: 1910 return (error); 1911} 1912 1913static int 1914zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1915{ 1916 int error; 1917 uint32_t tmp; 1918 1919 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1920 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1921 tmp = addr[5] << 8 | addr[4]; 1922 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1923fail: 1924 return (error); 1925} 1926 1927static int 1928zyd_switch_radio(struct zyd_softc *sc, int on) 1929{ 1930 struct zyd_rf *rf = &sc->sc_rf; 1931 int error; 1932 1933 error = zyd_lock_phy(sc); 1934 if (error != 0) 1935 goto fail; 1936 error = (*rf->switch_radio)(rf, on); 1937 if (error != 0) 1938 goto fail; 1939 error = zyd_unlock_phy(sc); 1940fail: 1941 return (error); 1942} 1943 1944static int 1945zyd_set_led(struct zyd_softc *sc, int which, int on) 1946{ 1947 int error; 1948 uint32_t tmp; 1949 1950 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1951 tmp &= ~which; 1952 if (on) 1953 tmp |= which; 1954 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1955fail: 1956 return (error); 1957} 1958 1959static void 1960zyd_set_multi(struct zyd_softc *sc) 1961{ 1962 struct ieee80211com *ic = &sc->sc_ic; 1963 uint32_t low, high; 1964 int error; 1965 1966 if ((sc->sc_flags & ZYD_FLAG_RUNNING) == 0) 1967 return; 1968 1969 low = 0x00000000; 1970 high = 0x80000000; 1971 1972 if (ic->ic_opmode == IEEE80211_M_MONITOR || ic->ic_allmulti > 0 || 1973 ic->ic_promisc > 0) { 1974 low = 0xffffffff; 1975 high = 0xffffffff; 1976 } else { 1977 struct ieee80211vap *vap; 1978 struct ifnet *ifp; 1979 struct ifmultiaddr *ifma; 1980 uint8_t v; 1981 1982 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 1983 ifp = vap->iv_ifp; 1984 if_maddr_rlock(ifp); 1985 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1986 if (ifma->ifma_addr->sa_family != AF_LINK) 1987 continue; 1988 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 1989 ifma->ifma_addr))[5] >> 2; 1990 if (v < 32) 1991 low |= 1 << v; 1992 else 1993 high |= 1 << (v - 32); 1994 } 1995 if_maddr_runlock(ifp); 1996 } 1997 } 1998 1999 /* reprogram multicast global hash table */ 2000 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2001 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2002fail: 2003 if (error != 0) 2004 device_printf(sc->sc_dev, 2005 "could not set multicast hash table\n"); 2006} 2007 2008static void 2009zyd_update_mcast(struct ieee80211com *ic) 2010{ 2011 struct zyd_softc *sc = ic->ic_softc; 2012 2013 ZYD_LOCK(sc); 2014 zyd_set_multi(sc); 2015 ZYD_UNLOCK(sc); 2016} 2017 2018static int 2019zyd_set_rxfilter(struct zyd_softc *sc) 2020{ 2021 struct ieee80211com *ic = &sc->sc_ic; 2022 uint32_t rxfilter; 2023 2024 switch (ic->ic_opmode) { 2025 case IEEE80211_M_STA: 2026 rxfilter = ZYD_FILTER_BSS; 2027 break; 2028 case IEEE80211_M_IBSS: 2029 case IEEE80211_M_HOSTAP: 2030 rxfilter = ZYD_FILTER_HOSTAP; 2031 break; 2032 case IEEE80211_M_MONITOR: 2033 rxfilter = ZYD_FILTER_MONITOR; 2034 break; 2035 default: 2036 /* should not get there */ 2037 return (EINVAL); 2038 } 2039 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2040} 2041 2042static void 2043zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2044{ 2045 int error; 2046 struct ieee80211com *ic = &sc->sc_ic; 2047 struct zyd_rf *rf = &sc->sc_rf; 2048 uint32_t tmp; 2049 int chan; 2050 2051 chan = ieee80211_chan2ieee(ic, c); 2052 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2053 /* XXX should NEVER happen */ 2054 device_printf(sc->sc_dev, 2055 "%s: invalid channel %x\n", __func__, chan); 2056 return; 2057 } 2058 2059 error = zyd_lock_phy(sc); 2060 if (error != 0) 2061 goto fail; 2062 2063 error = (*rf->set_channel)(rf, chan); 2064 if (error != 0) 2065 goto fail; 2066 2067 if (rf->update_pwr) { 2068 /* update Tx power */ 2069 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2070 2071 if (sc->sc_macrev == ZYD_ZD1211B) { 2072 zyd_write16_m(sc, ZYD_CR67, 2073 sc->sc_ofdm36_cal[chan - 1]); 2074 zyd_write16_m(sc, ZYD_CR66, 2075 sc->sc_ofdm48_cal[chan - 1]); 2076 zyd_write16_m(sc, ZYD_CR65, 2077 sc->sc_ofdm54_cal[chan - 1]); 2078 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2079 zyd_write16_m(sc, ZYD_CR69, 0x28); 2080 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2081 } 2082 } 2083 if (sc->sc_cckgain) { 2084 /* set CCK baseband gain from EEPROM */ 2085 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2086 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2087 } 2088 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2089 error = (*rf->bandedge6)(rf, c); 2090 if (error != 0) 2091 goto fail; 2092 } 2093 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2094 2095 error = zyd_unlock_phy(sc); 2096 if (error != 0) 2097 goto fail; 2098 2099 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2100 htole16(c->ic_freq); 2101 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2102 htole16(c->ic_flags); 2103fail: 2104 return; 2105} 2106 2107static int 2108zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2109{ 2110 int error; 2111 uint32_t val; 2112 2113 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2114 sc->sc_atim_wnd = val; 2115 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2116 sc->sc_pre_tbtt = val; 2117 sc->sc_bcn_int = bintval; 2118 2119 if (sc->sc_bcn_int <= 5) 2120 sc->sc_bcn_int = 5; 2121 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2122 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2123 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2124 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2125 2126 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2127 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2128 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2129fail: 2130 return (error); 2131} 2132 2133static void 2134zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2135{ 2136 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2137 struct ieee80211com *ic = &sc->sc_ic; 2138 struct zyd_plcphdr plcp; 2139 struct zyd_rx_stat stat; 2140 struct usb_page_cache *pc; 2141 struct mbuf *m; 2142 int rlen, rssi; 2143 2144 if (len < ZYD_MIN_FRAGSZ) { 2145 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2146 device_get_nameunit(sc->sc_dev), len); 2147 counter_u64_add(ic->ic_ierrors, 1); 2148 return; 2149 } 2150 pc = usbd_xfer_get_frame(xfer, 0); 2151 usbd_copy_out(pc, offset, &plcp, sizeof(plcp)); 2152 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat)); 2153 2154 if (stat.flags & ZYD_RX_ERROR) { 2155 DPRINTF(sc, ZYD_DEBUG_RECV, 2156 "%s: RX status indicated error (%x)\n", 2157 device_get_nameunit(sc->sc_dev), stat.flags); 2158 counter_u64_add(ic->ic_ierrors, 1); 2159 return; 2160 } 2161 2162 /* compute actual frame length */ 2163 rlen = len - sizeof(struct zyd_plcphdr) - 2164 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2165 2166 /* allocate a mbuf to store the frame */ 2167 if (rlen > (int)MCLBYTES) { 2168 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2169 device_get_nameunit(sc->sc_dev), rlen); 2170 counter_u64_add(ic->ic_ierrors, 1); 2171 return; 2172 } else if (rlen > (int)MHLEN) 2173 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 2174 else 2175 m = m_gethdr(M_NOWAIT, MT_DATA); 2176 if (m == NULL) { 2177 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2178 device_get_nameunit(sc->sc_dev)); 2179 counter_u64_add(ic->ic_ierrors, 1); 2180 return; 2181 } 2182 m->m_pkthdr.len = m->m_len = rlen; 2183 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen); 2184 2185 if (ieee80211_radiotap_active(ic)) { 2186 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2187 2188 tap->wr_flags = 0; 2189 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2190 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2191 /* XXX toss, no way to express errors */ 2192 if (stat.flags & ZYD_RX_DECRYPTERR) 2193 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2194 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2195 (stat.flags & ZYD_RX_OFDM) ? 2196 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2197 tap->wr_antsignal = stat.rssi + -95; 2198 tap->wr_antnoise = -95; /* XXX */ 2199 } 2200 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2201 2202 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2203 sc->sc_rx_data[sc->sc_rx_count].m = m; 2204 sc->sc_rx_count++; 2205} 2206 2207static void 2208zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 2209{ 2210 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2211 struct ieee80211com *ic = &sc->sc_ic; 2212 struct ieee80211_node *ni; 2213 struct zyd_rx_desc desc; 2214 struct mbuf *m; 2215 struct usb_page_cache *pc; 2216 uint32_t offset; 2217 uint8_t rssi; 2218 int8_t nf; 2219 int i; 2220 int actlen; 2221 2222 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2223 2224 sc->sc_rx_count = 0; 2225 switch (USB_GET_STATE(xfer)) { 2226 case USB_ST_TRANSFERRED: 2227 pc = usbd_xfer_get_frame(xfer, 0); 2228 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc)); 2229 2230 offset = 0; 2231 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2232 DPRINTF(sc, ZYD_DEBUG_RECV, 2233 "%s: received multi-frame transfer\n", __func__); 2234 2235 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2236 uint16_t len16 = UGETW(desc.len[i]); 2237 2238 if (len16 == 0 || len16 > actlen) 2239 break; 2240 2241 zyd_rx_data(xfer, offset, len16); 2242 2243 /* next frame is aligned on a 32-bit boundary */ 2244 len16 = (len16 + 3) & ~3; 2245 offset += len16; 2246 if (len16 > actlen) 2247 break; 2248 actlen -= len16; 2249 } 2250 } else { 2251 DPRINTF(sc, ZYD_DEBUG_RECV, 2252 "%s: received single-frame transfer\n", __func__); 2253 2254 zyd_rx_data(xfer, 0, actlen); 2255 } 2256 /* FALLTHROUGH */ 2257 case USB_ST_SETUP: 2258tr_setup: 2259 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2260 usbd_transfer_submit(xfer); 2261 2262 /* 2263 * At the end of a USB callback it is always safe to unlock 2264 * the private mutex of a device! That is why we do the 2265 * "ieee80211_input" here, and not some lines up! 2266 */ 2267 ZYD_UNLOCK(sc); 2268 for (i = 0; i < sc->sc_rx_count; i++) { 2269 rssi = sc->sc_rx_data[i].rssi; 2270 m = sc->sc_rx_data[i].m; 2271 sc->sc_rx_data[i].m = NULL; 2272 2273 nf = -95; /* XXX */ 2274 2275 ni = ieee80211_find_rxnode(ic, 2276 mtod(m, struct ieee80211_frame_min *)); 2277 if (ni != NULL) { 2278 (void)ieee80211_input(ni, m, rssi, nf); 2279 ieee80211_free_node(ni); 2280 } else 2281 (void)ieee80211_input_all(ic, m, rssi, nf); 2282 } 2283 ZYD_LOCK(sc); 2284 zyd_start(sc); 2285 break; 2286 2287 default: /* Error */ 2288 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error)); 2289 2290 if (error != USB_ERR_CANCELLED) { 2291 /* try to clear stall first */ 2292 usbd_xfer_set_stall(xfer); 2293 goto tr_setup; 2294 } 2295 break; 2296 } 2297} 2298 2299static uint8_t 2300zyd_plcp_signal(struct zyd_softc *sc, int rate) 2301{ 2302 switch (rate) { 2303 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2304 case 12: 2305 return (0xb); 2306 case 18: 2307 return (0xf); 2308 case 24: 2309 return (0xa); 2310 case 36: 2311 return (0xe); 2312 case 48: 2313 return (0x9); 2314 case 72: 2315 return (0xd); 2316 case 96: 2317 return (0x8); 2318 case 108: 2319 return (0xc); 2320 /* CCK rates (NB: not IEEE std, device-specific) */ 2321 case 2: 2322 return (0x0); 2323 case 4: 2324 return (0x1); 2325 case 11: 2326 return (0x2); 2327 case 22: 2328 return (0x3); 2329 } 2330 2331 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2332 return (0x0); 2333} 2334 2335static void 2336zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 2337{ 2338 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2339 struct ieee80211vap *vap; 2340 struct zyd_tx_data *data; 2341 struct mbuf *m; 2342 struct usb_page_cache *pc; 2343 int actlen; 2344 2345 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2346 2347 switch (USB_GET_STATE(xfer)) { 2348 case USB_ST_TRANSFERRED: 2349 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2350 actlen); 2351 2352 /* free resources */ 2353 data = usbd_xfer_get_priv(xfer); 2354 zyd_tx_free(data, 0); 2355 usbd_xfer_set_priv(xfer, NULL); 2356 2357 /* FALLTHROUGH */ 2358 case USB_ST_SETUP: 2359tr_setup: 2360 data = STAILQ_FIRST(&sc->tx_q); 2361 if (data) { 2362 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2363 m = data->m; 2364 2365 if (m->m_pkthdr.len > (int)ZYD_MAX_TXBUFSZ) { 2366 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2367 m->m_pkthdr.len); 2368 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2369 } 2370 pc = usbd_xfer_get_frame(xfer, 0); 2371 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE); 2372 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0, 2373 m->m_pkthdr.len); 2374 2375 vap = data->ni->ni_vap; 2376 if (ieee80211_radiotap_active_vap(vap)) { 2377 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2378 2379 tap->wt_flags = 0; 2380 tap->wt_rate = data->rate; 2381 2382 ieee80211_radiotap_tx(vap, m); 2383 } 2384 2385 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len); 2386 usbd_xfer_set_priv(xfer, data); 2387 usbd_transfer_submit(xfer); 2388 } 2389 zyd_start(sc); 2390 break; 2391 2392 default: /* Error */ 2393 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2394 usbd_errstr(error)); 2395 2396 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 2397 data = usbd_xfer_get_priv(xfer); 2398 usbd_xfer_set_priv(xfer, NULL); 2399 if (data != NULL) 2400 zyd_tx_free(data, error); 2401 2402 if (error != USB_ERR_CANCELLED) { 2403 if (error == USB_ERR_TIMEOUT) 2404 device_printf(sc->sc_dev, "device timeout\n"); 2405 2406 /* 2407 * Try to clear stall first, also if other 2408 * errors occur, hence clearing stall 2409 * introduces a 50 ms delay: 2410 */ 2411 usbd_xfer_set_stall(xfer); 2412 goto tr_setup; 2413 } 2414 break; 2415 } 2416} 2417 2418static int 2419zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2420{ 2421 struct ieee80211vap *vap = ni->ni_vap; 2422 struct ieee80211com *ic = ni->ni_ic; 2423 struct zyd_tx_desc *desc; 2424 struct zyd_tx_data *data; 2425 struct ieee80211_frame *wh; 2426 const struct ieee80211_txparam *tp; 2427 struct ieee80211_key *k; 2428 int rate, totlen; 2429 static const uint8_t ratediv[] = ZYD_TX_RATEDIV; 2430 uint8_t phy; 2431 uint16_t pktlen; 2432 uint32_t bits; 2433 2434 wh = mtod(m0, struct ieee80211_frame *); 2435 data = STAILQ_FIRST(&sc->tx_free); 2436 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2437 sc->tx_nfree--; 2438 2439 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2440 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2441 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2442 rate = tp->mgmtrate; 2443 } else { 2444 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2445 /* for data frames */ 2446 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2447 rate = tp->mcastrate; 2448 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2449 rate = tp->ucastrate; 2450 else { 2451 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2452 rate = ni->ni_txrate; 2453 } 2454 } 2455 2456 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2457 k = ieee80211_crypto_encap(ni, m0); 2458 if (k == NULL) { 2459 return (ENOBUFS); 2460 } 2461 /* packet header may have moved, reset our local pointer */ 2462 wh = mtod(m0, struct ieee80211_frame *); 2463 } 2464 2465 data->ni = ni; 2466 data->m = m0; 2467 data->rate = rate; 2468 2469 /* fill Tx descriptor */ 2470 desc = &data->desc; 2471 phy = zyd_plcp_signal(sc, rate); 2472 desc->phy = phy; 2473 if (ZYD_RATE_IS_OFDM(rate)) { 2474 desc->phy |= ZYD_TX_PHY_OFDM; 2475 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2476 desc->phy |= ZYD_TX_PHY_5GHZ; 2477 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2478 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2479 2480 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2481 desc->len = htole16(totlen); 2482 2483 desc->flags = ZYD_TX_FLAG_BACKOFF; 2484 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2485 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2486 if (totlen > vap->iv_rtsthreshold) { 2487 desc->flags |= ZYD_TX_FLAG_RTS; 2488 } else if (ZYD_RATE_IS_OFDM(rate) && 2489 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2490 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2491 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2492 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2493 desc->flags |= ZYD_TX_FLAG_RTS; 2494 } 2495 } else 2496 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2497 if ((wh->i_fc[0] & 2498 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2499 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2500 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2501 2502 /* actual transmit length (XXX why +10?) */ 2503 pktlen = ZYD_TX_DESC_SIZE + 10; 2504 if (sc->sc_macrev == ZYD_ZD1211) 2505 pktlen += totlen; 2506 desc->pktlen = htole16(pktlen); 2507 2508 bits = (rate == 11) ? (totlen * 16) + 10 : 2509 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2510 desc->plcp_length = htole16(bits / ratediv[phy]); 2511 desc->plcp_service = 0; 2512 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2513 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2514 desc->nextlen = 0; 2515 2516 if (ieee80211_radiotap_active_vap(vap)) { 2517 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2518 2519 tap->wt_flags = 0; 2520 tap->wt_rate = rate; 2521 2522 ieee80211_radiotap_tx(vap, m0); 2523 } 2524 2525 DPRINTF(sc, ZYD_DEBUG_XMIT, 2526 "%s: sending data frame len=%zu rate=%u\n", 2527 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2528 rate); 2529 2530 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2531 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2532 2533 return (0); 2534} 2535 2536static int 2537zyd_transmit(struct ieee80211com *ic, struct mbuf *m) 2538{ 2539 struct zyd_softc *sc = ic->ic_softc; 2540 int error; 2541 2542 ZYD_LOCK(sc); 2543 if ((sc->sc_flags & ZYD_FLAG_RUNNING) == 0) { 2544 ZYD_UNLOCK(sc); 2545 return (ENXIO); 2546 } 2547 error = mbufq_enqueue(&sc->sc_snd, m); 2548 if (error) { 2549 ZYD_UNLOCK(sc); 2550 return (error); 2551 } 2552 zyd_start(sc); 2553 ZYD_UNLOCK(sc); 2554 2555 return (0); 2556} 2557 2558static void 2559zyd_start(struct zyd_softc *sc) 2560{ 2561 struct ieee80211_node *ni; 2562 struct mbuf *m; 2563 2564 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2565 2566 while (sc->tx_nfree > 0 && (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 2567 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2568 if (zyd_tx_start(sc, m, ni) != 0) { 2569 m_freem(m); 2570 if_inc_counter(ni->ni_vap->iv_ifp, 2571 IFCOUNTER_OERRORS, 1); 2572 ieee80211_free_node(ni); 2573 break; 2574 } 2575 } 2576} 2577 2578static int 2579zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2580 const struct ieee80211_bpf_params *params) 2581{ 2582 struct ieee80211com *ic = ni->ni_ic; 2583 struct zyd_softc *sc = ic->ic_softc; 2584 2585 ZYD_LOCK(sc); 2586 /* prevent management frames from being sent if we're not ready */ 2587 if (!(sc->sc_flags & ZYD_FLAG_RUNNING)) { 2588 ZYD_UNLOCK(sc); 2589 m_freem(m); 2590 return (ENETDOWN); 2591 } 2592 if (sc->tx_nfree == 0) { 2593 ZYD_UNLOCK(sc); 2594 m_freem(m); 2595 return (ENOBUFS); /* XXX */ 2596 } 2597 2598 /* 2599 * Legacy path; interpret frame contents to decide 2600 * precisely how to send the frame. 2601 * XXX raw path 2602 */ 2603 if (zyd_tx_start(sc, m, ni) != 0) { 2604 ZYD_UNLOCK(sc); 2605 m_freem(m); 2606 return (EIO); 2607 } 2608 ZYD_UNLOCK(sc); 2609 return (0); 2610} 2611 2612static void 2613zyd_parent(struct ieee80211com *ic) 2614{ 2615 struct zyd_softc *sc = ic->ic_softc; 2616 int startall = 0; 2617 2618 ZYD_LOCK(sc); 2619 if (sc->sc_flags & ZYD_FLAG_DETACHED) { 2620 ZYD_UNLOCK(sc); 2621 return; 2622 } 2623 if (ic->ic_nrunning > 0) { 2624 if ((sc->sc_flags & ZYD_FLAG_RUNNING) == 0) { 2625 zyd_init_locked(sc); 2626 startall = 1; 2627 } else 2628 zyd_set_multi(sc); 2629 } else if (sc->sc_flags & ZYD_FLAG_RUNNING) 2630 zyd_stop(sc); 2631 ZYD_UNLOCK(sc); 2632 if (startall) 2633 ieee80211_start_all(ic); 2634} 2635 2636static void 2637zyd_init_locked(struct zyd_softc *sc) 2638{ 2639 struct ieee80211com *ic = &sc->sc_ic; 2640 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2641 struct usb_config_descriptor *cd; 2642 int error; 2643 uint32_t val; 2644 2645 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2646 2647 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2648 error = zyd_loadfirmware(sc); 2649 if (error != 0) { 2650 device_printf(sc->sc_dev, 2651 "could not load firmware (error=%d)\n", error); 2652 goto fail; 2653 } 2654 2655 /* reset device */ 2656 cd = usbd_get_config_descriptor(sc->sc_udev); 2657 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx, 2658 cd->bConfigurationValue); 2659 if (error) 2660 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2661 2662 error = zyd_hw_init(sc); 2663 if (error) { 2664 device_printf(sc->sc_dev, 2665 "hardware initialization failed\n"); 2666 goto fail; 2667 } 2668 2669 device_printf(sc->sc_dev, 2670 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2671 "BE%x NP%x Gain%x F%x\n", 2672 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2673 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2674 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2675 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2676 sc->sc_cckgain, sc->sc_fix_cr157); 2677 2678 /* read regulatory domain (currently unused) */ 2679 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2680 sc->sc_regdomain = val >> 16; 2681 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2682 sc->sc_regdomain); 2683 2684 /* we'll do software WEP decryption for now */ 2685 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2686 __func__); 2687 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2688 2689 sc->sc_flags |= ZYD_FLAG_INITONCE; 2690 } 2691 2692 if (sc->sc_flags & ZYD_FLAG_RUNNING) 2693 zyd_stop(sc); 2694 2695 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2696 vap ? vap->iv_myaddr : ic->ic_macaddr, ":"); 2697 error = zyd_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr); 2698 if (error != 0) 2699 return; 2700 2701 /* set basic rates */ 2702 if (ic->ic_curmode == IEEE80211_MODE_11B) 2703 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2704 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2705 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2706 else /* assumes 802.11b/g */ 2707 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2708 2709 /* promiscuous mode */ 2710 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2711 /* multicast setup */ 2712 zyd_set_multi(sc); 2713 /* set RX filter */ 2714 error = zyd_set_rxfilter(sc); 2715 if (error != 0) 2716 goto fail; 2717 2718 /* switch radio transmitter ON */ 2719 error = zyd_switch_radio(sc, 1); 2720 if (error != 0) 2721 goto fail; 2722 /* set default BSS channel */ 2723 zyd_set_chan(sc, ic->ic_curchan); 2724 2725 /* 2726 * Allocate Tx and Rx xfer queues. 2727 */ 2728 zyd_setup_tx_list(sc); 2729 2730 /* enable interrupts */ 2731 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2732 2733 sc->sc_flags |= ZYD_FLAG_RUNNING; 2734 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2735 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2736 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2737 2738 return; 2739 2740fail: zyd_stop(sc); 2741 return; 2742} 2743 2744static void 2745zyd_stop(struct zyd_softc *sc) 2746{ 2747 int error; 2748 2749 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2750 2751 sc->sc_flags &= ~ZYD_FLAG_RUNNING; 2752 zyd_drain_mbufq(sc); 2753 2754 /* 2755 * Drain all the transfers, if not already drained: 2756 */ 2757 ZYD_UNLOCK(sc); 2758 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2759 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2760 ZYD_LOCK(sc); 2761 2762 zyd_unsetup_tx_list(sc); 2763 2764 /* Stop now if the device was never set up */ 2765 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2766 return; 2767 2768 /* switch radio transmitter OFF */ 2769 error = zyd_switch_radio(sc, 0); 2770 if (error != 0) 2771 goto fail; 2772 /* disable Rx */ 2773 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2774 /* disable interrupts */ 2775 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2776 2777fail: 2778 return; 2779} 2780 2781static int 2782zyd_loadfirmware(struct zyd_softc *sc) 2783{ 2784 struct usb_device_request req; 2785 size_t size; 2786 u_char *fw; 2787 uint8_t stat; 2788 uint16_t addr; 2789 2790 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2791 return (0); 2792 2793 if (sc->sc_macrev == ZYD_ZD1211) { 2794 fw = (u_char *)zd1211_firmware; 2795 size = sizeof(zd1211_firmware); 2796 } else { 2797 fw = (u_char *)zd1211b_firmware; 2798 size = sizeof(zd1211b_firmware); 2799 } 2800 2801 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2802 req.bRequest = ZYD_DOWNLOADREQ; 2803 USETW(req.wIndex, 0); 2804 2805 addr = ZYD_FIRMWARE_START_ADDR; 2806 while (size > 0) { 2807 /* 2808 * When the transfer size is 4096 bytes, it is not 2809 * likely to be able to transfer it. 2810 * The cause is port or machine or chip? 2811 */ 2812 const int mlen = min(size, 64); 2813 2814 DPRINTF(sc, ZYD_DEBUG_FW, 2815 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2816 2817 USETW(req.wValue, addr); 2818 USETW(req.wLength, mlen); 2819 if (zyd_do_request(sc, &req, fw) != 0) 2820 return (EIO); 2821 2822 addr += mlen / 2; 2823 fw += mlen; 2824 size -= mlen; 2825 } 2826 2827 /* check whether the upload succeeded */ 2828 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2829 req.bRequest = ZYD_DOWNLOADSTS; 2830 USETW(req.wValue, 0); 2831 USETW(req.wIndex, 0); 2832 USETW(req.wLength, sizeof(stat)); 2833 if (zyd_do_request(sc, &req, &stat) != 0) 2834 return (EIO); 2835 2836 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2837 2838 return (stat & 0x80) ? (EIO) : (0); 2839} 2840 2841static void 2842zyd_scan_start(struct ieee80211com *ic) 2843{ 2844 struct zyd_softc *sc = ic->ic_softc; 2845 2846 ZYD_LOCK(sc); 2847 /* want broadcast address while scanning */ 2848 zyd_set_bssid(sc, ieee80211broadcastaddr); 2849 ZYD_UNLOCK(sc); 2850} 2851 2852static void 2853zyd_scan_end(struct ieee80211com *ic) 2854{ 2855 struct zyd_softc *sc = ic->ic_softc; 2856 2857 ZYD_LOCK(sc); 2858 /* restore previous bssid */ 2859 zyd_set_bssid(sc, sc->sc_bssid); 2860 ZYD_UNLOCK(sc); 2861} 2862 2863static void 2864zyd_getradiocaps(struct ieee80211com *ic, 2865 int maxchans, int *nchans, struct ieee80211_channel chans[]) 2866{ 2867 uint8_t bands[IEEE80211_MODE_BYTES]; 2868 2869 memset(bands, 0, sizeof(bands)); 2870 setbit(bands, IEEE80211_MODE_11B); 2871 setbit(bands, IEEE80211_MODE_11G); 2872 ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, bands, 0); 2873} 2874 2875static void 2876zyd_set_channel(struct ieee80211com *ic) 2877{ 2878 struct zyd_softc *sc = ic->ic_softc; 2879 2880 ZYD_LOCK(sc); 2881 zyd_set_chan(sc, ic->ic_curchan); 2882 ZYD_UNLOCK(sc); 2883} 2884 2885static device_method_t zyd_methods[] = { 2886 /* Device interface */ 2887 DEVMETHOD(device_probe, zyd_match), 2888 DEVMETHOD(device_attach, zyd_attach), 2889 DEVMETHOD(device_detach, zyd_detach), 2890 DEVMETHOD_END 2891}; 2892 2893static driver_t zyd_driver = { 2894 .name = "zyd", 2895 .methods = zyd_methods, 2896 .size = sizeof(struct zyd_softc) 2897}; 2898 2899static devclass_t zyd_devclass; 2900 2901DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2902MODULE_DEPEND(zyd, usb, 1, 1, 1); 2903MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2904MODULE_VERSION(zyd, 1); 2905USB_PNP_HOST_INFO(zyd_devs); 2906