if_zyd.c revision 283540
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 283540 2015-05-25 19:53:29Z glebius $ */ 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 283540 2015-05-25 19:53:29Z glebius $"); 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_var.h> 52#include <net/if_arp.h> 53#include <net/ethernet.h> 54#include <net/if_dl.h> 55#include <net/if_media.h> 56#include <net/if_types.h> 57 58#ifdef INET 59#include <netinet/in.h> 60#include <netinet/in_systm.h> 61#include <netinet/in_var.h> 62#include <netinet/if_ether.h> 63#include <netinet/ip.h> 64#endif 65 66#include <net80211/ieee80211_var.h> 67#include <net80211/ieee80211_regdomain.h> 68#include <net80211/ieee80211_radiotap.h> 69#include <net80211/ieee80211_ratectl.h> 70 71#include <dev/usb/usb.h> 72#include <dev/usb/usbdi.h> 73#include <dev/usb/usbdi_util.h> 74#include "usbdevs.h" 75 76#include <dev/usb/wlan/if_zydreg.h> 77#include <dev/usb/wlan/if_zydfw.h> 78 79#ifdef USB_DEBUG 80static int zyd_debug = 0; 81 82static SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd"); 83SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RWTUN, &zyd_debug, 0, 84 "zyd debug level"); 85 86enum { 87 ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 88 ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */ 89 ZYD_DEBUG_RESET = 0x00000004, /* reset processing */ 90 ZYD_DEBUG_INIT = 0x00000008, /* device init */ 91 ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 92 ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 93 ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 94 ZYD_DEBUG_STAT = 0x00000080, /* statistic */ 95 ZYD_DEBUG_FW = 0x00000100, /* firmware */ 96 ZYD_DEBUG_CMD = 0x00000200, /* fw commands */ 97 ZYD_DEBUG_ANY = 0xffffffff 98}; 99#define DPRINTF(sc, m, fmt, ...) do { \ 100 if (zyd_debug & (m)) \ 101 printf("%s: " fmt, __func__, ## __VA_ARGS__); \ 102} while (0) 103#else 104#define DPRINTF(sc, m, fmt, ...) do { \ 105 (void) sc; \ 106} while (0) 107#endif 108 109#define zyd_do_request(sc,req,data) \ 110 usbd_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000) 111 112static device_probe_t zyd_match; 113static device_attach_t zyd_attach; 114static device_detach_t zyd_detach; 115 116static usb_callback_t zyd_intr_read_callback; 117static usb_callback_t zyd_intr_write_callback; 118static usb_callback_t zyd_bulk_read_callback; 119static usb_callback_t zyd_bulk_write_callback; 120 121static struct ieee80211vap *zyd_vap_create(struct ieee80211com *, 122 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 123 const uint8_t [IEEE80211_ADDR_LEN], 124 const uint8_t [IEEE80211_ADDR_LEN]); 125static void zyd_vap_delete(struct ieee80211vap *); 126static void zyd_tx_free(struct zyd_tx_data *, int); 127static void zyd_setup_tx_list(struct zyd_softc *); 128static void zyd_unsetup_tx_list(struct zyd_softc *); 129static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int); 130static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 131 void *, int, int); 132static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 133static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 134static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 135static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 136static int zyd_rfwrite(struct zyd_softc *, uint32_t); 137static int zyd_lock_phy(struct zyd_softc *); 138static int zyd_unlock_phy(struct zyd_softc *); 139static int zyd_rf_attach(struct zyd_softc *, uint8_t); 140static const char *zyd_rf_name(uint8_t); 141static int zyd_hw_init(struct zyd_softc *); 142static int zyd_read_pod(struct zyd_softc *); 143static int zyd_read_eeprom(struct zyd_softc *); 144static int zyd_get_macaddr(struct zyd_softc *); 145static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 146static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 147static int zyd_switch_radio(struct zyd_softc *, int); 148static int zyd_set_led(struct zyd_softc *, int, int); 149static void zyd_set_multi(struct zyd_softc *); 150static void zyd_update_mcast(struct ieee80211com *); 151static int zyd_set_rxfilter(struct zyd_softc *); 152static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 153static int zyd_set_beacon_interval(struct zyd_softc *, int); 154static void zyd_rx_data(struct usb_xfer *, int, uint16_t); 155static int zyd_tx_start(struct zyd_softc *, struct mbuf *, 156 struct ieee80211_node *); 157static void zyd_start(struct ifnet *); 158static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *, 159 const struct ieee80211_bpf_params *); 160static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 161static void zyd_init_locked(struct zyd_softc *); 162static void zyd_init(void *); 163static void zyd_stop(struct zyd_softc *); 164static int zyd_loadfirmware(struct zyd_softc *); 165static void zyd_scan_start(struct ieee80211com *); 166static void zyd_scan_end(struct ieee80211com *); 167static void zyd_set_channel(struct ieee80211com *); 168static int zyd_rfmd_init(struct zyd_rf *); 169static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 170static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 171static int zyd_al2230_init(struct zyd_rf *); 172static int zyd_al2230_switch_radio(struct zyd_rf *, int); 173static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 174static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t); 175static int zyd_al2230_init_b(struct zyd_rf *); 176static int zyd_al7230B_init(struct zyd_rf *); 177static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 178static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 179static int zyd_al2210_init(struct zyd_rf *); 180static int zyd_al2210_switch_radio(struct zyd_rf *, int); 181static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 182static int zyd_gct_init(struct zyd_rf *); 183static int zyd_gct_switch_radio(struct zyd_rf *, int); 184static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 185static int zyd_gct_mode(struct zyd_rf *); 186static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int); 187static int zyd_gct_write(struct zyd_rf *, uint16_t); 188static int zyd_gct_txgain(struct zyd_rf *, uint8_t); 189static int zyd_maxim2_init(struct zyd_rf *); 190static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 191static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 192 193static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 194static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 195 196/* various supported device vendors/products */ 197#define ZYD_ZD1211 0 198#define ZYD_ZD1211B 1 199 200#define ZYD_ZD1211_DEV(v,p) \ 201 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) } 202#define ZYD_ZD1211B_DEV(v,p) \ 203 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) } 204static const STRUCT_USB_HOST_ID zyd_devs[] = { 205 /* ZYD_ZD1211 */ 206 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 207 ZYD_ZD1211_DEV(ABOCOM, WL54), 208 ZYD_ZD1211_DEV(ASUS, WL159G), 209 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 210 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 211 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 212 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 213 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 214 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 215 ZYD_ZD1211_DEV(SAGEM, XG760A), 216 ZYD_ZD1211_DEV(SENAO, NUB8301), 217 ZYD_ZD1211_DEV(SITECOMEU, WL113), 218 ZYD_ZD1211_DEV(SWEEX, ZD1211), 219 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 220 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 221 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 222 ZYD_ZD1211_DEV(TWINMOS, G240), 223 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 224 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 225 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 226 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 227 ZYD_ZD1211_DEV(ZCOM, ZD1211), 228 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 229 ZYD_ZD1211_DEV(ZYXEL, AG225H), 230 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 231 ZYD_ZD1211_DEV(ZYXEL, G200V2), 232 /* ZYD_ZD1211B */ 233 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG_NF), 234 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 235 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 236 ZYD_ZD1211B_DEV(ASUS, A9T_WIFI), 237 ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000), 238 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 239 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 240 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 241 ZYD_ZD1211B_DEV(MELCO, KG54L), 242 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 243 ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS), 244 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 245 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 246 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 247 ZYD_ZD1211B_DEV(USR, USR5423), 248 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 249 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 250 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 251 ZYD_ZD1211B_DEV(ZYXEL, M202), 252 ZYD_ZD1211B_DEV(ZYXEL, G202), 253 ZYD_ZD1211B_DEV(ZYXEL, G220V2) 254}; 255 256static const struct usb_config zyd_config[ZYD_N_TRANSFER] = { 257 [ZYD_BULK_WR] = { 258 .type = UE_BULK, 259 .endpoint = UE_ADDR_ANY, 260 .direction = UE_DIR_OUT, 261 .bufsize = ZYD_MAX_TXBUFSZ, 262 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 263 .callback = zyd_bulk_write_callback, 264 .ep_index = 0, 265 .timeout = 10000, /* 10 seconds */ 266 }, 267 [ZYD_BULK_RD] = { 268 .type = UE_BULK, 269 .endpoint = UE_ADDR_ANY, 270 .direction = UE_DIR_IN, 271 .bufsize = ZYX_MAX_RXBUFSZ, 272 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 273 .callback = zyd_bulk_read_callback, 274 .ep_index = 0, 275 }, 276 [ZYD_INTR_WR] = { 277 .type = UE_BULK_INTR, 278 .endpoint = UE_ADDR_ANY, 279 .direction = UE_DIR_OUT, 280 .bufsize = sizeof(struct zyd_cmd), 281 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 282 .callback = zyd_intr_write_callback, 283 .timeout = 1000, /* 1 second */ 284 .ep_index = 1, 285 }, 286 [ZYD_INTR_RD] = { 287 .type = UE_INTERRUPT, 288 .endpoint = UE_ADDR_ANY, 289 .direction = UE_DIR_IN, 290 .bufsize = sizeof(struct zyd_cmd), 291 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 292 .callback = zyd_intr_read_callback, 293 }, 294}; 295#define zyd_read16_m(sc, val, data) do { \ 296 error = zyd_read16(sc, val, data); \ 297 if (error != 0) \ 298 goto fail; \ 299} while (0) 300#define zyd_write16_m(sc, val, data) do { \ 301 error = zyd_write16(sc, val, data); \ 302 if (error != 0) \ 303 goto fail; \ 304} while (0) 305#define zyd_read32_m(sc, val, data) do { \ 306 error = zyd_read32(sc, val, data); \ 307 if (error != 0) \ 308 goto fail; \ 309} while (0) 310#define zyd_write32_m(sc, val, data) do { \ 311 error = zyd_write32(sc, val, data); \ 312 if (error != 0) \ 313 goto fail; \ 314} while (0) 315 316static int 317zyd_match(device_t dev) 318{ 319 struct usb_attach_arg *uaa = device_get_ivars(dev); 320 321 if (uaa->usb_mode != USB_MODE_HOST) 322 return (ENXIO); 323 if (uaa->info.bConfigIndex != ZYD_CONFIG_INDEX) 324 return (ENXIO); 325 if (uaa->info.bIfaceIndex != ZYD_IFACE_INDEX) 326 return (ENXIO); 327 328 return (usbd_lookup_id_by_uaa(zyd_devs, sizeof(zyd_devs), uaa)); 329} 330 331static int 332zyd_attach(device_t dev) 333{ 334 struct usb_attach_arg *uaa = device_get_ivars(dev); 335 struct zyd_softc *sc = device_get_softc(dev); 336 struct ifnet *ifp; 337 struct ieee80211com *ic; 338 uint8_t iface_index, bands; 339 int error; 340 341 if (uaa->info.bcdDevice < 0x4330) { 342 device_printf(dev, "device version mismatch: 0x%X " 343 "(only >= 43.30 supported)\n", 344 uaa->info.bcdDevice); 345 return (EINVAL); 346 } 347 348 device_set_usb_desc(dev); 349 sc->sc_dev = dev; 350 sc->sc_udev = uaa->device; 351 sc->sc_macrev = USB_GET_DRIVER_INFO(uaa); 352 353 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 354 MTX_NETWORK_LOCK, MTX_DEF); 355 STAILQ_INIT(&sc->sc_rqh); 356 357 iface_index = ZYD_IFACE_INDEX; 358 error = usbd_transfer_setup(uaa->device, 359 &iface_index, sc->sc_xfer, zyd_config, 360 ZYD_N_TRANSFER, sc, &sc->sc_mtx); 361 if (error) { 362 device_printf(dev, "could not allocate USB transfers, " 363 "err=%s\n", usbd_errstr(error)); 364 goto detach; 365 } 366 367 ZYD_LOCK(sc); 368 if ((error = zyd_get_macaddr(sc)) != 0) { 369 device_printf(sc->sc_dev, "could not read EEPROM\n"); 370 ZYD_UNLOCK(sc); 371 goto detach; 372 } 373 ZYD_UNLOCK(sc); 374 375 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 376 if (ifp == NULL) { 377 device_printf(sc->sc_dev, "can not if_alloc()\n"); 378 goto detach; 379 } 380 ifp->if_softc = sc; 381 if_initname(ifp, "zyd", device_get_unit(sc->sc_dev)); 382 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 383 ifp->if_init = zyd_init; 384 ifp->if_ioctl = zyd_ioctl; 385 ifp->if_start = zyd_start; 386 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 387 IFQ_SET_READY(&ifp->if_snd); 388 389 ic = ifp->if_l2com; 390 ic->ic_ifp = ifp; 391 ic->ic_softc = sc; 392 ic->ic_name = device_get_nameunit(dev); 393 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 394 ic->ic_opmode = IEEE80211_M_STA; 395 396 /* set device capabilities */ 397 ic->ic_caps = 398 IEEE80211_C_STA /* station mode */ 399 | IEEE80211_C_MONITOR /* monitor mode */ 400 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 401 | IEEE80211_C_SHSLOT /* short slot time supported */ 402 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 403 | IEEE80211_C_WPA /* 802.11i */ 404 ; 405 406 bands = 0; 407 setbit(&bands, IEEE80211_MODE_11B); 408 setbit(&bands, IEEE80211_MODE_11G); 409 ieee80211_init_channels(ic, NULL, &bands); 410 411 ieee80211_ifattach(ic, sc->sc_bssid); 412 ic->ic_raw_xmit = zyd_raw_xmit; 413 ic->ic_scan_start = zyd_scan_start; 414 ic->ic_scan_end = zyd_scan_end; 415 ic->ic_set_channel = zyd_set_channel; 416 417 ic->ic_vap_create = zyd_vap_create; 418 ic->ic_vap_delete = zyd_vap_delete; 419 ic->ic_update_mcast = zyd_update_mcast; 420 ic->ic_update_promisc = zyd_update_mcast; 421 422 ieee80211_radiotap_attach(ic, 423 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 424 ZYD_TX_RADIOTAP_PRESENT, 425 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 426 ZYD_RX_RADIOTAP_PRESENT); 427 428 if (bootverbose) 429 ieee80211_announce(ic); 430 431 return (0); 432 433detach: 434 zyd_detach(dev); 435 return (ENXIO); /* failure */ 436} 437 438static int 439zyd_detach(device_t dev) 440{ 441 struct zyd_softc *sc = device_get_softc(dev); 442 struct ifnet *ifp = sc->sc_ifp; 443 struct ieee80211com *ic; 444 unsigned int x; 445 446 /* 447 * Prevent further allocations from RX/TX data 448 * lists and ioctls: 449 */ 450 ZYD_LOCK(sc); 451 sc->sc_flags |= ZYD_FLAG_DETACHED; 452 STAILQ_INIT(&sc->tx_q); 453 STAILQ_INIT(&sc->tx_free); 454 ZYD_UNLOCK(sc); 455 456 /* drain USB transfers */ 457 for (x = 0; x != ZYD_N_TRANSFER; x++) 458 usbd_transfer_drain(sc->sc_xfer[x]); 459 460 /* free TX list, if any */ 461 ZYD_LOCK(sc); 462 zyd_unsetup_tx_list(sc); 463 ZYD_UNLOCK(sc); 464 465 /* free USB transfers and some data buffers */ 466 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 467 468 if (ifp) { 469 ic = ifp->if_l2com; 470 ieee80211_ifdetach(ic); 471 if_free(ifp); 472 } 473 mtx_destroy(&sc->sc_mtx); 474 475 return (0); 476} 477 478static struct ieee80211vap * 479zyd_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 480 enum ieee80211_opmode opmode, int flags, 481 const uint8_t bssid[IEEE80211_ADDR_LEN], 482 const uint8_t mac[IEEE80211_ADDR_LEN]) 483{ 484 struct zyd_vap *zvp; 485 struct ieee80211vap *vap; 486 487 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 488 return (NULL); 489 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap), 490 M_80211_VAP, M_NOWAIT | M_ZERO); 491 if (zvp == NULL) 492 return (NULL); 493 vap = &zvp->vap; 494 495 /* enable s/w bmiss handling for sta mode */ 496 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 497 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac) != 0) { 498 /* out of memory */ 499 free(zvp, M_80211_VAP); 500 return (NULL); 501 } 502 503 /* override state transition machine */ 504 zvp->newstate = vap->iv_newstate; 505 vap->iv_newstate = zyd_newstate; 506 507 ieee80211_ratectl_init(vap); 508 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 509 510 /* complete setup */ 511 ieee80211_vap_attach(vap, ieee80211_media_change, 512 ieee80211_media_status); 513 ic->ic_opmode = opmode; 514 return (vap); 515} 516 517static void 518zyd_vap_delete(struct ieee80211vap *vap) 519{ 520 struct zyd_vap *zvp = ZYD_VAP(vap); 521 522 ieee80211_ratectl_deinit(vap); 523 ieee80211_vap_detach(vap); 524 free(zvp, M_80211_VAP); 525} 526 527static void 528zyd_tx_free(struct zyd_tx_data *data, int txerr) 529{ 530 struct zyd_softc *sc = data->sc; 531 532 if (data->m != NULL) { 533 if (data->m->m_flags & M_TXCB) 534 ieee80211_process_callback(data->ni, data->m, 535 txerr ? ETIMEDOUT : 0); 536 m_freem(data->m); 537 data->m = NULL; 538 539 ieee80211_free_node(data->ni); 540 data->ni = NULL; 541 } 542 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 543 sc->tx_nfree++; 544} 545 546static void 547zyd_setup_tx_list(struct zyd_softc *sc) 548{ 549 struct zyd_tx_data *data; 550 int i; 551 552 sc->tx_nfree = 0; 553 STAILQ_INIT(&sc->tx_q); 554 STAILQ_INIT(&sc->tx_free); 555 556 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 557 data = &sc->tx_data[i]; 558 559 data->sc = sc; 560 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 561 sc->tx_nfree++; 562 } 563} 564 565static void 566zyd_unsetup_tx_list(struct zyd_softc *sc) 567{ 568 struct zyd_tx_data *data; 569 int i; 570 571 /* make sure any subsequent use of the queues will fail */ 572 sc->tx_nfree = 0; 573 STAILQ_INIT(&sc->tx_q); 574 STAILQ_INIT(&sc->tx_free); 575 576 /* free up all node references and mbufs */ 577 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 578 data = &sc->tx_data[i]; 579 580 if (data->m != NULL) { 581 m_freem(data->m); 582 data->m = NULL; 583 } 584 if (data->ni != NULL) { 585 ieee80211_free_node(data->ni); 586 data->ni = NULL; 587 } 588 } 589} 590 591static int 592zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 593{ 594 struct zyd_vap *zvp = ZYD_VAP(vap); 595 struct ieee80211com *ic = vap->iv_ic; 596 struct zyd_softc *sc = ic->ic_ifp->if_softc; 597 int error; 598 599 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__, 600 ieee80211_state_name[vap->iv_state], 601 ieee80211_state_name[nstate]); 602 603 IEEE80211_UNLOCK(ic); 604 ZYD_LOCK(sc); 605 switch (nstate) { 606 case IEEE80211_S_AUTH: 607 zyd_set_chan(sc, ic->ic_curchan); 608 break; 609 case IEEE80211_S_RUN: 610 if (vap->iv_opmode == IEEE80211_M_MONITOR) 611 break; 612 613 /* turn link LED on */ 614 error = zyd_set_led(sc, ZYD_LED1, 1); 615 if (error != 0) 616 break; 617 618 /* make data LED blink upon Tx */ 619 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 620 621 IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid); 622 zyd_set_bssid(sc, sc->sc_bssid); 623 break; 624 default: 625 break; 626 } 627fail: 628 ZYD_UNLOCK(sc); 629 IEEE80211_LOCK(ic); 630 return (zvp->newstate(vap, nstate, arg)); 631} 632 633/* 634 * Callback handler for interrupt transfer 635 */ 636static void 637zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) 638{ 639 struct zyd_softc *sc = usbd_xfer_softc(xfer); 640 struct ifnet *ifp = sc->sc_ifp; 641 struct ieee80211com *ic = ifp->if_l2com; 642 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 643 struct ieee80211_node *ni; 644 struct zyd_cmd *cmd = &sc->sc_ibuf; 645 struct usb_page_cache *pc; 646 int datalen; 647 int actlen; 648 649 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 650 651 switch (USB_GET_STATE(xfer)) { 652 case USB_ST_TRANSFERRED: 653 pc = usbd_xfer_get_frame(xfer, 0); 654 usbd_copy_out(pc, 0, cmd, sizeof(*cmd)); 655 656 switch (le16toh(cmd->code)) { 657 case ZYD_NOTIF_RETRYSTATUS: 658 { 659 struct zyd_notif_retry *retry = 660 (struct zyd_notif_retry *)cmd->data; 661 662 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 663 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 664 le16toh(retry->rate), ether_sprintf(retry->macaddr), 665 le16toh(retry->count)&0xff, le16toh(retry->count)); 666 667 /* 668 * Find the node to which the packet was sent and 669 * update its retry statistics. In BSS mode, this node 670 * is the AP we're associated to so no lookup is 671 * actually needed. 672 */ 673 ni = ieee80211_find_txnode(vap, retry->macaddr); 674 if (ni != NULL) { 675 int retrycnt = 676 (int)(le16toh(retry->count) & 0xff); 677 678 ieee80211_ratectl_tx_complete(vap, ni, 679 IEEE80211_RATECTL_TX_FAILURE, 680 &retrycnt, NULL); 681 ieee80211_free_node(ni); 682 } 683 if (le16toh(retry->count) & 0x100) 684 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); /* too many retries */ 685 break; 686 } 687 case ZYD_NOTIF_IORD: 688 { 689 struct zyd_rq *rqp; 690 691 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 692 break; /* HMAC interrupt */ 693 694 datalen = actlen - sizeof(cmd->code); 695 datalen -= 2; /* XXX: padding? */ 696 697 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 698 int i; 699 int count; 700 701 if (rqp->olen != datalen) 702 continue; 703 count = rqp->olen / sizeof(struct zyd_pair); 704 for (i = 0; i < count; i++) { 705 if (*(((const uint16_t *)rqp->idata) + i) != 706 (((struct zyd_pair *)cmd->data) + i)->reg) 707 break; 708 } 709 if (i != count) 710 continue; 711 /* copy answer into caller-supplied buffer */ 712 memcpy(rqp->odata, cmd->data, rqp->olen); 713 DPRINTF(sc, ZYD_DEBUG_CMD, 714 "command %p complete, data = %*D \n", 715 rqp, rqp->olen, (char *)rqp->odata, ":"); 716 wakeup(rqp); /* wakeup caller */ 717 break; 718 } 719 if (rqp == NULL) { 720 device_printf(sc->sc_dev, 721 "unexpected IORD notification %*D\n", 722 datalen, cmd->data, ":"); 723 } 724 break; 725 } 726 default: 727 device_printf(sc->sc_dev, "unknown notification %x\n", 728 le16toh(cmd->code)); 729 } 730 731 /* FALLTHROUGH */ 732 case USB_ST_SETUP: 733tr_setup: 734 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 735 usbd_transfer_submit(xfer); 736 break; 737 738 default: /* Error */ 739 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 740 usbd_errstr(error)); 741 742 if (error != USB_ERR_CANCELLED) { 743 /* try to clear stall first */ 744 usbd_xfer_set_stall(xfer); 745 goto tr_setup; 746 } 747 break; 748 } 749} 750 751static void 752zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) 753{ 754 struct zyd_softc *sc = usbd_xfer_softc(xfer); 755 struct zyd_rq *rqp, *cmd; 756 struct usb_page_cache *pc; 757 758 switch (USB_GET_STATE(xfer)) { 759 case USB_ST_TRANSFERRED: 760 cmd = usbd_xfer_get_priv(xfer); 761 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd); 762 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 763 /* Ensure the cached rq pointer is still valid */ 764 if (rqp == cmd && 765 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 766 wakeup(rqp); /* wakeup caller */ 767 } 768 769 /* FALLTHROUGH */ 770 case USB_ST_SETUP: 771tr_setup: 772 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 773 if (rqp->flags & ZYD_CMD_FLAG_SENT) 774 continue; 775 776 pc = usbd_xfer_get_frame(xfer, 0); 777 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen); 778 779 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen); 780 usbd_xfer_set_priv(xfer, rqp); 781 rqp->flags |= ZYD_CMD_FLAG_SENT; 782 usbd_transfer_submit(xfer); 783 break; 784 } 785 break; 786 787 default: /* Error */ 788 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 789 usbd_errstr(error)); 790 791 if (error != USB_ERR_CANCELLED) { 792 /* try to clear stall first */ 793 usbd_xfer_set_stall(xfer); 794 goto tr_setup; 795 } 796 break; 797 } 798} 799 800static int 801zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 802 void *odata, int olen, int flags) 803{ 804 struct zyd_cmd cmd; 805 struct zyd_rq rq; 806 int error; 807 808 if (ilen > (int)sizeof(cmd.data)) 809 return (EINVAL); 810 811 cmd.code = htole16(code); 812 memcpy(cmd.data, idata, ilen); 813 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 814 &rq, ilen, idata, ":"); 815 816 rq.cmd = &cmd; 817 rq.idata = idata; 818 rq.odata = odata; 819 rq.ilen = sizeof(uint16_t) + ilen; 820 rq.olen = olen; 821 rq.flags = flags; 822 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 823 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 824 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 825 826 /* wait at most one second for command reply */ 827 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 828 if (error) 829 device_printf(sc->sc_dev, "command timeout\n"); 830 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 831 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 832 &rq, error); 833 834 return (error); 835} 836 837static int 838zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 839{ 840 struct zyd_pair tmp; 841 int error; 842 843 reg = htole16(reg); 844 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 845 ZYD_CMD_FLAG_READ); 846 if (error == 0) 847 *val = le16toh(tmp.val); 848 return (error); 849} 850 851static int 852zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 853{ 854 struct zyd_pair tmp[2]; 855 uint16_t regs[2]; 856 int error; 857 858 regs[0] = htole16(ZYD_REG32_HI(reg)); 859 regs[1] = htole16(ZYD_REG32_LO(reg)); 860 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 861 ZYD_CMD_FLAG_READ); 862 if (error == 0) 863 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 864 return (error); 865} 866 867static int 868zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 869{ 870 struct zyd_pair pair; 871 872 pair.reg = htole16(reg); 873 pair.val = htole16(val); 874 875 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 876} 877 878static int 879zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 880{ 881 struct zyd_pair pair[2]; 882 883 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 884 pair[0].val = htole16(val >> 16); 885 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 886 pair[1].val = htole16(val & 0xffff); 887 888 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 889} 890 891static int 892zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 893{ 894 struct zyd_rf *rf = &sc->sc_rf; 895 struct zyd_rfwrite_cmd req; 896 uint16_t cr203; 897 int error, i; 898 899 zyd_read16_m(sc, ZYD_CR203, &cr203); 900 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 901 902 req.code = htole16(2); 903 req.width = htole16(rf->width); 904 for (i = 0; i < rf->width; i++) { 905 req.bit[i] = htole16(cr203); 906 if (val & (1 << (rf->width - 1 - i))) 907 req.bit[i] |= htole16(ZYD_RF_DATA); 908 } 909 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 910fail: 911 return (error); 912} 913 914static int 915zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 916{ 917 int error; 918 919 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 920 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 921 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 922fail: 923 return (error); 924} 925 926static int 927zyd_lock_phy(struct zyd_softc *sc) 928{ 929 int error; 930 uint32_t tmp; 931 932 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 933 tmp &= ~ZYD_UNLOCK_PHY_REGS; 934 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 935fail: 936 return (error); 937} 938 939static int 940zyd_unlock_phy(struct zyd_softc *sc) 941{ 942 int error; 943 uint32_t tmp; 944 945 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 946 tmp |= ZYD_UNLOCK_PHY_REGS; 947 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 948fail: 949 return (error); 950} 951 952/* 953 * RFMD RF methods. 954 */ 955static int 956zyd_rfmd_init(struct zyd_rf *rf) 957{ 958#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 959 struct zyd_softc *sc = rf->rf_sc; 960 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 961 static const uint32_t rfini[] = ZYD_RFMD_RF; 962 int i, error; 963 964 /* init RF-dependent PHY registers */ 965 for (i = 0; i < N(phyini); i++) { 966 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 967 } 968 969 /* init RFMD radio */ 970 for (i = 0; i < N(rfini); i++) { 971 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 972 return (error); 973 } 974fail: 975 return (error); 976#undef N 977} 978 979static int 980zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 981{ 982 int error; 983 struct zyd_softc *sc = rf->rf_sc; 984 985 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 986 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 987fail: 988 return (error); 989} 990 991static int 992zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 993{ 994 int error; 995 struct zyd_softc *sc = rf->rf_sc; 996 static const struct { 997 uint32_t r1, r2; 998 } rfprog[] = ZYD_RFMD_CHANTABLE; 999 1000 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1001 if (error != 0) 1002 goto fail; 1003 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1004 if (error != 0) 1005 goto fail; 1006 1007fail: 1008 return (error); 1009} 1010 1011/* 1012 * AL2230 RF methods. 1013 */ 1014static int 1015zyd_al2230_init(struct zyd_rf *rf) 1016{ 1017#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1018 struct zyd_softc *sc = rf->rf_sc; 1019 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1020 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1021 static const struct zyd_phy_pair phypll[] = { 1022 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1023 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1024 }; 1025 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1026 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1027 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1028 int i, error; 1029 1030 /* init RF-dependent PHY registers */ 1031 for (i = 0; i < N(phyini); i++) 1032 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1033 1034 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1035 for (i = 0; i < N(phy2230s); i++) 1036 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1037 } 1038 1039 /* init AL2230 radio */ 1040 for (i = 0; i < N(rfini1); i++) { 1041 error = zyd_rfwrite(sc, rfini1[i]); 1042 if (error != 0) 1043 goto fail; 1044 } 1045 1046 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1047 error = zyd_rfwrite(sc, 0x000824); 1048 else 1049 error = zyd_rfwrite(sc, 0x0005a4); 1050 if (error != 0) 1051 goto fail; 1052 1053 for (i = 0; i < N(rfini2); i++) { 1054 error = zyd_rfwrite(sc, rfini2[i]); 1055 if (error != 0) 1056 goto fail; 1057 } 1058 1059 for (i = 0; i < N(phypll); i++) 1060 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1061 1062 for (i = 0; i < N(rfini3); i++) { 1063 error = zyd_rfwrite(sc, rfini3[i]); 1064 if (error != 0) 1065 goto fail; 1066 } 1067fail: 1068 return (error); 1069#undef N 1070} 1071 1072static int 1073zyd_al2230_fini(struct zyd_rf *rf) 1074{ 1075#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1076 int error, i; 1077 struct zyd_softc *sc = rf->rf_sc; 1078 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1079 1080 for (i = 0; i < N(phy); i++) 1081 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1082 1083 if (sc->sc_newphy != 0) 1084 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1085 1086 zyd_write16_m(sc, ZYD_CR203, 0x6); 1087fail: 1088 return (error); 1089#undef N 1090} 1091 1092static int 1093zyd_al2230_init_b(struct zyd_rf *rf) 1094{ 1095#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1096 struct zyd_softc *sc = rf->rf_sc; 1097 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1098 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1099 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1100 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1101 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1102 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1103 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1104 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1105 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1106 int i, error; 1107 1108 for (i = 0; i < N(phy1); i++) 1109 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1110 1111 /* init RF-dependent PHY registers */ 1112 for (i = 0; i < N(phyini); i++) 1113 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1114 1115 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1116 for (i = 0; i < N(phy2230s); i++) 1117 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1118 } 1119 1120 for (i = 0; i < 3; i++) { 1121 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1122 if (error != 0) 1123 return (error); 1124 } 1125 1126 for (i = 0; i < N(rfini_part1); i++) { 1127 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1128 if (error != 0) 1129 return (error); 1130 } 1131 1132 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1133 error = zyd_rfwrite(sc, 0x241000); 1134 else 1135 error = zyd_rfwrite(sc, 0x25a000); 1136 if (error != 0) 1137 goto fail; 1138 1139 for (i = 0; i < N(rfini_part2); i++) { 1140 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1141 if (error != 0) 1142 return (error); 1143 } 1144 1145 for (i = 0; i < N(phy2); i++) 1146 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1147 1148 for (i = 0; i < N(rfini_part3); i++) { 1149 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1150 if (error != 0) 1151 return (error); 1152 } 1153 1154 for (i = 0; i < N(phy3); i++) 1155 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1156 1157 error = zyd_al2230_fini(rf); 1158fail: 1159 return (error); 1160#undef N 1161} 1162 1163static int 1164zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1165{ 1166 struct zyd_softc *sc = rf->rf_sc; 1167 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1168 1169 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1170 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1171fail: 1172 return (error); 1173} 1174 1175static int 1176zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1177{ 1178#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1179 int error, i; 1180 struct zyd_softc *sc = rf->rf_sc; 1181 static const struct zyd_phy_pair phy1[] = { 1182 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1183 }; 1184 static const struct { 1185 uint32_t r1, r2, r3; 1186 } rfprog[] = ZYD_AL2230_CHANTABLE; 1187 1188 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1189 if (error != 0) 1190 goto fail; 1191 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1192 if (error != 0) 1193 goto fail; 1194 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1195 if (error != 0) 1196 goto fail; 1197 1198 for (i = 0; i < N(phy1); i++) 1199 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1200fail: 1201 return (error); 1202#undef N 1203} 1204 1205static int 1206zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1207{ 1208#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1209 int error, i; 1210 struct zyd_softc *sc = rf->rf_sc; 1211 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1212 static const struct { 1213 uint32_t r1, r2, r3; 1214 } rfprog[] = ZYD_AL2230_CHANTABLE_B; 1215 1216 for (i = 0; i < N(phy1); i++) 1217 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1218 1219 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1); 1220 if (error != 0) 1221 goto fail; 1222 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2); 1223 if (error != 0) 1224 goto fail; 1225 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3); 1226 if (error != 0) 1227 goto fail; 1228 error = zyd_al2230_fini(rf); 1229fail: 1230 return (error); 1231#undef N 1232} 1233 1234#define ZYD_AL2230_PHY_BANDEDGE6 \ 1235{ \ 1236 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1237 { ZYD_CR47, 0x1e } \ 1238} 1239 1240static int 1241zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1242{ 1243#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1244 int error = 0, i; 1245 struct zyd_softc *sc = rf->rf_sc; 1246 struct ifnet *ifp = sc->sc_ifp; 1247 struct ieee80211com *ic = ifp->if_l2com; 1248 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1249 int chan = ieee80211_chan2ieee(ic, c); 1250 1251 if (chan == 1 || chan == 11) 1252 r[0].val = 0x12; 1253 1254 for (i = 0; i < N(r); i++) 1255 zyd_write16_m(sc, r[i].reg, r[i].val); 1256fail: 1257 return (error); 1258#undef N 1259} 1260 1261/* 1262 * AL7230B RF methods. 1263 */ 1264static int 1265zyd_al7230B_init(struct zyd_rf *rf) 1266{ 1267#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1268 struct zyd_softc *sc = rf->rf_sc; 1269 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1270 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1271 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1272 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1273 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1274 int i, error; 1275 1276 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1277 1278 /* init RF-dependent PHY registers, part one */ 1279 for (i = 0; i < N(phyini_1); i++) 1280 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1281 1282 /* init AL7230B radio, part one */ 1283 for (i = 0; i < N(rfini_1); i++) { 1284 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1285 return (error); 1286 } 1287 /* init RF-dependent PHY registers, part two */ 1288 for (i = 0; i < N(phyini_2); i++) 1289 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1290 1291 /* init AL7230B radio, part two */ 1292 for (i = 0; i < N(rfini_2); i++) { 1293 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1294 return (error); 1295 } 1296 /* init RF-dependent PHY registers, part three */ 1297 for (i = 0; i < N(phyini_3); i++) 1298 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1299fail: 1300 return (error); 1301#undef N 1302} 1303 1304static int 1305zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1306{ 1307 int error; 1308 struct zyd_softc *sc = rf->rf_sc; 1309 1310 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1311 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1312fail: 1313 return (error); 1314} 1315 1316static int 1317zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1318{ 1319#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1320 struct zyd_softc *sc = rf->rf_sc; 1321 static const struct { 1322 uint32_t r1, r2; 1323 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1324 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1325 int i, error; 1326 1327 zyd_write16_m(sc, ZYD_CR240, 0x57); 1328 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1329 1330 for (i = 0; i < N(rfsc); i++) { 1331 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1332 return (error); 1333 } 1334 1335 zyd_write16_m(sc, ZYD_CR128, 0x14); 1336 zyd_write16_m(sc, ZYD_CR129, 0x12); 1337 zyd_write16_m(sc, ZYD_CR130, 0x10); 1338 zyd_write16_m(sc, ZYD_CR38, 0x38); 1339 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1340 1341 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1342 if (error != 0) 1343 goto fail; 1344 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1345 if (error != 0) 1346 goto fail; 1347 error = zyd_rfwrite(sc, 0x3c9000); 1348 if (error != 0) 1349 goto fail; 1350 1351 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1352 zyd_write16_m(sc, ZYD_CR203, 0x06); 1353 zyd_write16_m(sc, ZYD_CR240, 0x08); 1354fail: 1355 return (error); 1356#undef N 1357} 1358 1359/* 1360 * AL2210 RF methods. 1361 */ 1362static int 1363zyd_al2210_init(struct zyd_rf *rf) 1364{ 1365#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1366 struct zyd_softc *sc = rf->rf_sc; 1367 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1368 static const uint32_t rfini[] = ZYD_AL2210_RF; 1369 uint32_t tmp; 1370 int i, error; 1371 1372 zyd_write32_m(sc, ZYD_CR18, 2); 1373 1374 /* init RF-dependent PHY registers */ 1375 for (i = 0; i < N(phyini); i++) 1376 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1377 1378 /* init AL2210 radio */ 1379 for (i = 0; i < N(rfini); i++) { 1380 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1381 return (error); 1382 } 1383 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1384 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1385 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1386 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1387 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1388 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1389 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1390 zyd_write32_m(sc, ZYD_CR18, 3); 1391fail: 1392 return (error); 1393#undef N 1394} 1395 1396static int 1397zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1398{ 1399 /* vendor driver does nothing for this RF chip */ 1400 1401 return (0); 1402} 1403 1404static int 1405zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1406{ 1407 int error; 1408 struct zyd_softc *sc = rf->rf_sc; 1409 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1410 uint32_t tmp; 1411 1412 zyd_write32_m(sc, ZYD_CR18, 2); 1413 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1414 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1415 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1416 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1417 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1418 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1419 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1420 1421 /* actually set the channel */ 1422 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1423 if (error != 0) 1424 goto fail; 1425 1426 zyd_write32_m(sc, ZYD_CR18, 3); 1427fail: 1428 return (error); 1429} 1430 1431/* 1432 * GCT RF methods. 1433 */ 1434static int 1435zyd_gct_init(struct zyd_rf *rf) 1436{ 1437#define ZYD_GCT_INTR_REG 0x85c1 1438#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1439 struct zyd_softc *sc = rf->rf_sc; 1440 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1441 static const uint32_t rfini[] = ZYD_GCT_RF; 1442 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1443 int i, idx = -1, error; 1444 uint16_t data; 1445 1446 /* init RF-dependent PHY registers */ 1447 for (i = 0; i < N(phyini); i++) 1448 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1449 1450 /* init cgt radio */ 1451 for (i = 0; i < N(rfini); i++) { 1452 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1453 return (error); 1454 } 1455 1456 error = zyd_gct_mode(rf); 1457 if (error != 0) 1458 return (error); 1459 1460 for (i = 0; i < (int)(N(vco) - 1); i++) { 1461 error = zyd_gct_set_channel_synth(rf, 1, 0); 1462 if (error != 0) 1463 goto fail; 1464 error = zyd_gct_write(rf, vco[i][0]); 1465 if (error != 0) 1466 goto fail; 1467 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1468 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1469 if ((data & 0xf) == 0) { 1470 idx = i; 1471 break; 1472 } 1473 } 1474 if (idx == -1) { 1475 error = zyd_gct_set_channel_synth(rf, 1, 1); 1476 if (error != 0) 1477 goto fail; 1478 error = zyd_gct_write(rf, 0x6662); 1479 if (error != 0) 1480 goto fail; 1481 } 1482 1483 rf->idx = idx; 1484 zyd_write16_m(sc, ZYD_CR203, 0x6); 1485fail: 1486 return (error); 1487#undef N 1488#undef ZYD_GCT_INTR_REG 1489} 1490 1491static int 1492zyd_gct_mode(struct zyd_rf *rf) 1493{ 1494#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1495 struct zyd_softc *sc = rf->rf_sc; 1496 static const uint32_t mode[] = { 1497 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1498 }; 1499 int i, error; 1500 1501 for (i = 0; i < N(mode); i++) { 1502 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1503 break; 1504 } 1505 return (error); 1506#undef N 1507} 1508 1509static int 1510zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1511{ 1512 int error, idx = chan - 1; 1513 struct zyd_softc *sc = rf->rf_sc; 1514 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1515 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1516 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1517 1518 error = zyd_rfwrite(sc, 1519 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1520 if (error != 0) 1521 return (error); 1522 return zyd_rfwrite(sc, div_synth[idx]); 1523} 1524 1525static int 1526zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1527{ 1528 struct zyd_softc *sc = rf->rf_sc; 1529 1530 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1531} 1532 1533static int 1534zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1535{ 1536 int error; 1537 struct zyd_softc *sc = rf->rf_sc; 1538 1539 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1540 if (error != 0) 1541 return (error); 1542 1543 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1544 zyd_write16_m(sc, ZYD_CR251, 1545 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1546fail: 1547 return (error); 1548} 1549 1550static int 1551zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1552{ 1553#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1554 int error, i; 1555 struct zyd_softc *sc = rf->rf_sc; 1556 static const struct zyd_phy_pair cmd[] = { 1557 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1558 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1559 }; 1560 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1561 1562 error = zyd_gct_set_channel_synth(rf, chan, 0); 1563 if (error != 0) 1564 goto fail; 1565 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1566 vco[rf->idx][((chan - 1) / 2)]); 1567 if (error != 0) 1568 goto fail; 1569 error = zyd_gct_mode(rf); 1570 if (error != 0) 1571 return (error); 1572 for (i = 0; i < N(cmd); i++) 1573 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1574 error = zyd_gct_txgain(rf, chan); 1575 if (error != 0) 1576 return (error); 1577 zyd_write16_m(sc, ZYD_CR203, 0x6); 1578fail: 1579 return (error); 1580#undef N 1581} 1582 1583static int 1584zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1585{ 1586#define N(a) (sizeof(a) / sizeof((a)[0])) 1587 struct zyd_softc *sc = rf->rf_sc; 1588 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1589 uint8_t idx = sc->sc_pwrint[chan - 1]; 1590 1591 if (idx >= N(txgain)) { 1592 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1593 chan, idx); 1594 return 0; 1595 } 1596 1597 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1598#undef N 1599} 1600 1601/* 1602 * Maxim2 RF methods. 1603 */ 1604static int 1605zyd_maxim2_init(struct zyd_rf *rf) 1606{ 1607#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1608 struct zyd_softc *sc = rf->rf_sc; 1609 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1610 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1611 uint16_t tmp; 1612 int i, error; 1613 1614 /* init RF-dependent PHY registers */ 1615 for (i = 0; i < N(phyini); i++) 1616 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1617 1618 zyd_read16_m(sc, ZYD_CR203, &tmp); 1619 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1620 1621 /* init maxim2 radio */ 1622 for (i = 0; i < N(rfini); i++) { 1623 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1624 return (error); 1625 } 1626 zyd_read16_m(sc, ZYD_CR203, &tmp); 1627 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1628fail: 1629 return (error); 1630#undef N 1631} 1632 1633static int 1634zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1635{ 1636 1637 /* vendor driver does nothing for this RF chip */ 1638 return (0); 1639} 1640 1641static int 1642zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1643{ 1644#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1645 struct zyd_softc *sc = rf->rf_sc; 1646 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1647 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1648 static const struct { 1649 uint32_t r1, r2; 1650 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1651 uint16_t tmp; 1652 int i, error; 1653 1654 /* 1655 * Do the same as we do when initializing it, except for the channel 1656 * values coming from the two channel tables. 1657 */ 1658 1659 /* init RF-dependent PHY registers */ 1660 for (i = 0; i < N(phyini); i++) 1661 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1662 1663 zyd_read16_m(sc, ZYD_CR203, &tmp); 1664 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1665 1666 /* first two values taken from the chantables */ 1667 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1668 if (error != 0) 1669 goto fail; 1670 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1671 if (error != 0) 1672 goto fail; 1673 1674 /* init maxim2 radio - skipping the two first values */ 1675 for (i = 2; i < N(rfini); i++) { 1676 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1677 return (error); 1678 } 1679 zyd_read16_m(sc, ZYD_CR203, &tmp); 1680 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1681fail: 1682 return (error); 1683#undef N 1684} 1685 1686static int 1687zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1688{ 1689 struct zyd_rf *rf = &sc->sc_rf; 1690 1691 rf->rf_sc = sc; 1692 rf->update_pwr = 1; 1693 1694 switch (type) { 1695 case ZYD_RF_RFMD: 1696 rf->init = zyd_rfmd_init; 1697 rf->switch_radio = zyd_rfmd_switch_radio; 1698 rf->set_channel = zyd_rfmd_set_channel; 1699 rf->width = 24; /* 24-bit RF values */ 1700 break; 1701 case ZYD_RF_AL2230: 1702 case ZYD_RF_AL2230S: 1703 if (sc->sc_macrev == ZYD_ZD1211B) { 1704 rf->init = zyd_al2230_init_b; 1705 rf->set_channel = zyd_al2230_set_channel_b; 1706 } else { 1707 rf->init = zyd_al2230_init; 1708 rf->set_channel = zyd_al2230_set_channel; 1709 } 1710 rf->switch_radio = zyd_al2230_switch_radio; 1711 rf->bandedge6 = zyd_al2230_bandedge6; 1712 rf->width = 24; /* 24-bit RF values */ 1713 break; 1714 case ZYD_RF_AL7230B: 1715 rf->init = zyd_al7230B_init; 1716 rf->switch_radio = zyd_al7230B_switch_radio; 1717 rf->set_channel = zyd_al7230B_set_channel; 1718 rf->width = 24; /* 24-bit RF values */ 1719 break; 1720 case ZYD_RF_AL2210: 1721 rf->init = zyd_al2210_init; 1722 rf->switch_radio = zyd_al2210_switch_radio; 1723 rf->set_channel = zyd_al2210_set_channel; 1724 rf->width = 24; /* 24-bit RF values */ 1725 break; 1726 case ZYD_RF_MAXIM_NEW: 1727 case ZYD_RF_GCT: 1728 rf->init = zyd_gct_init; 1729 rf->switch_radio = zyd_gct_switch_radio; 1730 rf->set_channel = zyd_gct_set_channel; 1731 rf->width = 24; /* 24-bit RF values */ 1732 rf->update_pwr = 0; 1733 break; 1734 case ZYD_RF_MAXIM_NEW2: 1735 rf->init = zyd_maxim2_init; 1736 rf->switch_radio = zyd_maxim2_switch_radio; 1737 rf->set_channel = zyd_maxim2_set_channel; 1738 rf->width = 18; /* 18-bit RF values */ 1739 break; 1740 default: 1741 device_printf(sc->sc_dev, 1742 "sorry, radio \"%s\" is not supported yet\n", 1743 zyd_rf_name(type)); 1744 return (EINVAL); 1745 } 1746 return (0); 1747} 1748 1749static const char * 1750zyd_rf_name(uint8_t type) 1751{ 1752 static const char * const zyd_rfs[] = { 1753 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1754 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1755 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1756 "PHILIPS" 1757 }; 1758 1759 return zyd_rfs[(type > 15) ? 0 : type]; 1760} 1761 1762static int 1763zyd_hw_init(struct zyd_softc *sc) 1764{ 1765 int error; 1766 const struct zyd_phy_pair *phyp; 1767 struct zyd_rf *rf = &sc->sc_rf; 1768 uint16_t val; 1769 1770 /* specify that the plug and play is finished */ 1771 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1772 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1773 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1774 sc->sc_fwbase); 1775 1776 /* retrieve firmware revision number */ 1777 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1778 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1779 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1780 /* set mandatory rates - XXX assumes 802.11b/g */ 1781 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1782 1783 /* disable interrupts */ 1784 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1785 1786 if ((error = zyd_read_pod(sc)) != 0) { 1787 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1788 goto fail; 1789 } 1790 1791 /* PHY init (resetting) */ 1792 error = zyd_lock_phy(sc); 1793 if (error != 0) 1794 goto fail; 1795 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1796 for (; phyp->reg != 0; phyp++) 1797 zyd_write16_m(sc, phyp->reg, phyp->val); 1798 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1799 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1800 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1801 } 1802 error = zyd_unlock_phy(sc); 1803 if (error != 0) 1804 goto fail; 1805 1806 /* HMAC init */ 1807 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1808 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1809 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1810 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1811 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1812 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1813 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1814 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1815 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1816 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1817 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1818 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1819 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1820 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1821 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1822 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1823 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1824 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1825 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1826 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1827 1828 if (sc->sc_macrev == ZYD_ZD1211) { 1829 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1830 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1831 } else { 1832 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1833 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1834 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1835 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1836 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1837 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1838 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1839 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1840 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1841 } 1842 1843 /* init beacon interval to 100ms */ 1844 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1845 goto fail; 1846 1847 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1848 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1849 sc->sc_rfrev); 1850 goto fail; 1851 } 1852 1853 /* RF chip init */ 1854 error = zyd_lock_phy(sc); 1855 if (error != 0) 1856 goto fail; 1857 error = (*rf->init)(rf); 1858 if (error != 0) { 1859 device_printf(sc->sc_dev, 1860 "radio initialization failed, error %d\n", error); 1861 goto fail; 1862 } 1863 error = zyd_unlock_phy(sc); 1864 if (error != 0) 1865 goto fail; 1866 1867 if ((error = zyd_read_eeprom(sc)) != 0) { 1868 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1869 goto fail; 1870 } 1871 1872fail: return (error); 1873} 1874 1875static int 1876zyd_read_pod(struct zyd_softc *sc) 1877{ 1878 int error; 1879 uint32_t tmp; 1880 1881 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1882 sc->sc_rfrev = tmp & 0x0f; 1883 sc->sc_ledtype = (tmp >> 4) & 0x01; 1884 sc->sc_al2230s = (tmp >> 7) & 0x01; 1885 sc->sc_cckgain = (tmp >> 8) & 0x01; 1886 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1887 sc->sc_parev = (tmp >> 16) & 0x0f; 1888 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1889 sc->sc_newphy = (tmp >> 31) & 0x01; 1890 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1891fail: 1892 return (error); 1893} 1894 1895static int 1896zyd_read_eeprom(struct zyd_softc *sc) 1897{ 1898 uint16_t val; 1899 int error, i; 1900 1901 /* read Tx power calibration tables */ 1902 for (i = 0; i < 7; i++) { 1903 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1904 sc->sc_pwrcal[i * 2] = val >> 8; 1905 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1906 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1907 sc->sc_pwrint[i * 2] = val >> 8; 1908 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1909 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1910 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1911 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1912 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1913 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1914 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1915 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1916 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1917 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1918 } 1919fail: 1920 return (error); 1921} 1922 1923static int 1924zyd_get_macaddr(struct zyd_softc *sc) 1925{ 1926 struct usb_device_request req; 1927 usb_error_t error; 1928 1929 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1930 req.bRequest = ZYD_READFWDATAREQ; 1931 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1932 USETW(req.wIndex, 0); 1933 USETW(req.wLength, IEEE80211_ADDR_LEN); 1934 1935 error = zyd_do_request(sc, &req, sc->sc_bssid); 1936 if (error != 0) { 1937 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1938 usbd_errstr(error)); 1939 } 1940 1941 return (error); 1942} 1943 1944static int 1945zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1946{ 1947 int error; 1948 uint32_t tmp; 1949 1950 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1951 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1952 tmp = addr[5] << 8 | addr[4]; 1953 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1954fail: 1955 return (error); 1956} 1957 1958static int 1959zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1960{ 1961 int error; 1962 uint32_t tmp; 1963 1964 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1965 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1966 tmp = addr[5] << 8 | addr[4]; 1967 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1968fail: 1969 return (error); 1970} 1971 1972static int 1973zyd_switch_radio(struct zyd_softc *sc, int on) 1974{ 1975 struct zyd_rf *rf = &sc->sc_rf; 1976 int error; 1977 1978 error = zyd_lock_phy(sc); 1979 if (error != 0) 1980 goto fail; 1981 error = (*rf->switch_radio)(rf, on); 1982 if (error != 0) 1983 goto fail; 1984 error = zyd_unlock_phy(sc); 1985fail: 1986 return (error); 1987} 1988 1989static int 1990zyd_set_led(struct zyd_softc *sc, int which, int on) 1991{ 1992 int error; 1993 uint32_t tmp; 1994 1995 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1996 tmp &= ~which; 1997 if (on) 1998 tmp |= which; 1999 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 2000fail: 2001 return (error); 2002} 2003 2004static void 2005zyd_set_multi(struct zyd_softc *sc) 2006{ 2007 int error; 2008 struct ifnet *ifp = sc->sc_ifp; 2009 struct ieee80211com *ic = ifp->if_l2com; 2010 struct ifmultiaddr *ifma; 2011 uint32_t low, high; 2012 uint8_t v; 2013 2014 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2015 return; 2016 2017 low = 0x00000000; 2018 high = 0x80000000; 2019 2020 if (ic->ic_opmode == IEEE80211_M_MONITOR || 2021 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 2022 low = 0xffffffff; 2023 high = 0xffffffff; 2024 } else { 2025 if_maddr_rlock(ifp); 2026 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2027 if (ifma->ifma_addr->sa_family != AF_LINK) 2028 continue; 2029 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 2030 ifma->ifma_addr))[5] >> 2; 2031 if (v < 32) 2032 low |= 1 << v; 2033 else 2034 high |= 1 << (v - 32); 2035 } 2036 if_maddr_runlock(ifp); 2037 } 2038 2039 /* reprogram multicast global hash table */ 2040 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2041 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2042fail: 2043 if (error != 0) 2044 device_printf(sc->sc_dev, 2045 "could not set multicast hash table\n"); 2046} 2047 2048static void 2049zyd_update_mcast(struct ieee80211com *ic) 2050{ 2051 struct zyd_softc *sc = ic->ic_softc; 2052 2053 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2054 return; 2055 2056 ZYD_LOCK(sc); 2057 zyd_set_multi(sc); 2058 ZYD_UNLOCK(sc); 2059} 2060 2061static int 2062zyd_set_rxfilter(struct zyd_softc *sc) 2063{ 2064 struct ifnet *ifp = sc->sc_ifp; 2065 struct ieee80211com *ic = ifp->if_l2com; 2066 uint32_t rxfilter; 2067 2068 switch (ic->ic_opmode) { 2069 case IEEE80211_M_STA: 2070 rxfilter = ZYD_FILTER_BSS; 2071 break; 2072 case IEEE80211_M_IBSS: 2073 case IEEE80211_M_HOSTAP: 2074 rxfilter = ZYD_FILTER_HOSTAP; 2075 break; 2076 case IEEE80211_M_MONITOR: 2077 rxfilter = ZYD_FILTER_MONITOR; 2078 break; 2079 default: 2080 /* should not get there */ 2081 return (EINVAL); 2082 } 2083 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2084} 2085 2086static void 2087zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2088{ 2089 int error; 2090 struct ifnet *ifp = sc->sc_ifp; 2091 struct ieee80211com *ic = ifp->if_l2com; 2092 struct zyd_rf *rf = &sc->sc_rf; 2093 uint32_t tmp; 2094 int chan; 2095 2096 chan = ieee80211_chan2ieee(ic, c); 2097 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2098 /* XXX should NEVER happen */ 2099 device_printf(sc->sc_dev, 2100 "%s: invalid channel %x\n", __func__, chan); 2101 return; 2102 } 2103 2104 error = zyd_lock_phy(sc); 2105 if (error != 0) 2106 goto fail; 2107 2108 error = (*rf->set_channel)(rf, chan); 2109 if (error != 0) 2110 goto fail; 2111 2112 if (rf->update_pwr) { 2113 /* update Tx power */ 2114 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2115 2116 if (sc->sc_macrev == ZYD_ZD1211B) { 2117 zyd_write16_m(sc, ZYD_CR67, 2118 sc->sc_ofdm36_cal[chan - 1]); 2119 zyd_write16_m(sc, ZYD_CR66, 2120 sc->sc_ofdm48_cal[chan - 1]); 2121 zyd_write16_m(sc, ZYD_CR65, 2122 sc->sc_ofdm54_cal[chan - 1]); 2123 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2124 zyd_write16_m(sc, ZYD_CR69, 0x28); 2125 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2126 } 2127 } 2128 if (sc->sc_cckgain) { 2129 /* set CCK baseband gain from EEPROM */ 2130 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2131 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2132 } 2133 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2134 error = (*rf->bandedge6)(rf, c); 2135 if (error != 0) 2136 goto fail; 2137 } 2138 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2139 2140 error = zyd_unlock_phy(sc); 2141 if (error != 0) 2142 goto fail; 2143 2144 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2145 htole16(c->ic_freq); 2146 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2147 htole16(c->ic_flags); 2148fail: 2149 return; 2150} 2151 2152static int 2153zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2154{ 2155 int error; 2156 uint32_t val; 2157 2158 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2159 sc->sc_atim_wnd = val; 2160 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2161 sc->sc_pre_tbtt = val; 2162 sc->sc_bcn_int = bintval; 2163 2164 if (sc->sc_bcn_int <= 5) 2165 sc->sc_bcn_int = 5; 2166 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2167 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2168 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2169 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2170 2171 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2172 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2173 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2174fail: 2175 return (error); 2176} 2177 2178static void 2179zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2180{ 2181 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2182 struct ifnet *ifp = sc->sc_ifp; 2183 struct ieee80211com *ic = ifp->if_l2com; 2184 struct zyd_plcphdr plcp; 2185 struct zyd_rx_stat stat; 2186 struct usb_page_cache *pc; 2187 struct mbuf *m; 2188 int rlen, rssi; 2189 2190 if (len < ZYD_MIN_FRAGSZ) { 2191 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2192 device_get_nameunit(sc->sc_dev), len); 2193 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 2194 return; 2195 } 2196 pc = usbd_xfer_get_frame(xfer, 0); 2197 usbd_copy_out(pc, offset, &plcp, sizeof(plcp)); 2198 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat)); 2199 2200 if (stat.flags & ZYD_RX_ERROR) { 2201 DPRINTF(sc, ZYD_DEBUG_RECV, 2202 "%s: RX status indicated error (%x)\n", 2203 device_get_nameunit(sc->sc_dev), stat.flags); 2204 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 2205 return; 2206 } 2207 2208 /* compute actual frame length */ 2209 rlen = len - sizeof(struct zyd_plcphdr) - 2210 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2211 2212 /* allocate a mbuf to store the frame */ 2213 if (rlen > (int)MCLBYTES) { 2214 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2215 device_get_nameunit(sc->sc_dev), rlen); 2216 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 2217 return; 2218 } else if (rlen > (int)MHLEN) 2219 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 2220 else 2221 m = m_gethdr(M_NOWAIT, MT_DATA); 2222 if (m == NULL) { 2223 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2224 device_get_nameunit(sc->sc_dev)); 2225 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 2226 return; 2227 } 2228 m->m_pkthdr.rcvif = ifp; 2229 m->m_pkthdr.len = m->m_len = rlen; 2230 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen); 2231 2232 if (ieee80211_radiotap_active(ic)) { 2233 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2234 2235 tap->wr_flags = 0; 2236 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2237 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2238 /* XXX toss, no way to express errors */ 2239 if (stat.flags & ZYD_RX_DECRYPTERR) 2240 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2241 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2242 (stat.flags & ZYD_RX_OFDM) ? 2243 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2244 tap->wr_antsignal = stat.rssi + -95; 2245 tap->wr_antnoise = -95; /* XXX */ 2246 } 2247 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2248 2249 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2250 sc->sc_rx_data[sc->sc_rx_count].m = m; 2251 sc->sc_rx_count++; 2252} 2253 2254static void 2255zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 2256{ 2257 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2258 struct ifnet *ifp = sc->sc_ifp; 2259 struct ieee80211com *ic = ifp->if_l2com; 2260 struct ieee80211_node *ni; 2261 struct zyd_rx_desc desc; 2262 struct mbuf *m; 2263 struct usb_page_cache *pc; 2264 uint32_t offset; 2265 uint8_t rssi; 2266 int8_t nf; 2267 int i; 2268 int actlen; 2269 2270 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2271 2272 sc->sc_rx_count = 0; 2273 switch (USB_GET_STATE(xfer)) { 2274 case USB_ST_TRANSFERRED: 2275 pc = usbd_xfer_get_frame(xfer, 0); 2276 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc)); 2277 2278 offset = 0; 2279 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2280 DPRINTF(sc, ZYD_DEBUG_RECV, 2281 "%s: received multi-frame transfer\n", __func__); 2282 2283 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2284 uint16_t len16 = UGETW(desc.len[i]); 2285 2286 if (len16 == 0 || len16 > actlen) 2287 break; 2288 2289 zyd_rx_data(xfer, offset, len16); 2290 2291 /* next frame is aligned on a 32-bit boundary */ 2292 len16 = (len16 + 3) & ~3; 2293 offset += len16; 2294 if (len16 > actlen) 2295 break; 2296 actlen -= len16; 2297 } 2298 } else { 2299 DPRINTF(sc, ZYD_DEBUG_RECV, 2300 "%s: received single-frame transfer\n", __func__); 2301 2302 zyd_rx_data(xfer, 0, actlen); 2303 } 2304 /* FALLTHROUGH */ 2305 case USB_ST_SETUP: 2306tr_setup: 2307 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2308 usbd_transfer_submit(xfer); 2309 2310 /* 2311 * At the end of a USB callback it is always safe to unlock 2312 * the private mutex of a device! That is why we do the 2313 * "ieee80211_input" here, and not some lines up! 2314 */ 2315 ZYD_UNLOCK(sc); 2316 for (i = 0; i < sc->sc_rx_count; i++) { 2317 rssi = sc->sc_rx_data[i].rssi; 2318 m = sc->sc_rx_data[i].m; 2319 sc->sc_rx_data[i].m = NULL; 2320 2321 nf = -95; /* XXX */ 2322 2323 ni = ieee80211_find_rxnode(ic, 2324 mtod(m, struct ieee80211_frame_min *)); 2325 if (ni != NULL) { 2326 (void)ieee80211_input(ni, m, rssi, nf); 2327 ieee80211_free_node(ni); 2328 } else 2329 (void)ieee80211_input_all(ic, m, rssi, nf); 2330 } 2331 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2332 !IFQ_IS_EMPTY(&ifp->if_snd)) 2333 zyd_start(ifp); 2334 ZYD_LOCK(sc); 2335 break; 2336 2337 default: /* Error */ 2338 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error)); 2339 2340 if (error != USB_ERR_CANCELLED) { 2341 /* try to clear stall first */ 2342 usbd_xfer_set_stall(xfer); 2343 goto tr_setup; 2344 } 2345 break; 2346 } 2347} 2348 2349static uint8_t 2350zyd_plcp_signal(struct zyd_softc *sc, int rate) 2351{ 2352 switch (rate) { 2353 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2354 case 12: 2355 return (0xb); 2356 case 18: 2357 return (0xf); 2358 case 24: 2359 return (0xa); 2360 case 36: 2361 return (0xe); 2362 case 48: 2363 return (0x9); 2364 case 72: 2365 return (0xd); 2366 case 96: 2367 return (0x8); 2368 case 108: 2369 return (0xc); 2370 /* CCK rates (NB: not IEEE std, device-specific) */ 2371 case 2: 2372 return (0x0); 2373 case 4: 2374 return (0x1); 2375 case 11: 2376 return (0x2); 2377 case 22: 2378 return (0x3); 2379 } 2380 2381 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2382 return (0x0); 2383} 2384 2385static void 2386zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 2387{ 2388 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2389 struct ifnet *ifp = sc->sc_ifp; 2390 struct ieee80211vap *vap; 2391 struct zyd_tx_data *data; 2392 struct mbuf *m; 2393 struct usb_page_cache *pc; 2394 int actlen; 2395 2396 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2397 2398 switch (USB_GET_STATE(xfer)) { 2399 case USB_ST_TRANSFERRED: 2400 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2401 actlen); 2402 2403 /* free resources */ 2404 data = usbd_xfer_get_priv(xfer); 2405 zyd_tx_free(data, 0); 2406 usbd_xfer_set_priv(xfer, NULL); 2407 2408 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 2409 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2410 2411 /* FALLTHROUGH */ 2412 case USB_ST_SETUP: 2413tr_setup: 2414 data = STAILQ_FIRST(&sc->tx_q); 2415 if (data) { 2416 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2417 m = data->m; 2418 2419 if (m->m_pkthdr.len > (int)ZYD_MAX_TXBUFSZ) { 2420 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2421 m->m_pkthdr.len); 2422 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2423 } 2424 pc = usbd_xfer_get_frame(xfer, 0); 2425 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE); 2426 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0, 2427 m->m_pkthdr.len); 2428 2429 vap = data->ni->ni_vap; 2430 if (ieee80211_radiotap_active_vap(vap)) { 2431 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2432 2433 tap->wt_flags = 0; 2434 tap->wt_rate = data->rate; 2435 2436 ieee80211_radiotap_tx(vap, m); 2437 } 2438 2439 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len); 2440 usbd_xfer_set_priv(xfer, data); 2441 usbd_transfer_submit(xfer); 2442 } 2443 ZYD_UNLOCK(sc); 2444 zyd_start(ifp); 2445 ZYD_LOCK(sc); 2446 break; 2447 2448 default: /* Error */ 2449 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2450 usbd_errstr(error)); 2451 2452 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2453 data = usbd_xfer_get_priv(xfer); 2454 usbd_xfer_set_priv(xfer, NULL); 2455 if (data != NULL) 2456 zyd_tx_free(data, error); 2457 2458 if (error != USB_ERR_CANCELLED) { 2459 if (error == USB_ERR_TIMEOUT) 2460 device_printf(sc->sc_dev, "device timeout\n"); 2461 2462 /* 2463 * Try to clear stall first, also if other 2464 * errors occur, hence clearing stall 2465 * introduces a 50 ms delay: 2466 */ 2467 usbd_xfer_set_stall(xfer); 2468 goto tr_setup; 2469 } 2470 break; 2471 } 2472} 2473 2474static int 2475zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2476{ 2477 struct ieee80211vap *vap = ni->ni_vap; 2478 struct ieee80211com *ic = ni->ni_ic; 2479 struct zyd_tx_desc *desc; 2480 struct zyd_tx_data *data; 2481 struct ieee80211_frame *wh; 2482 const struct ieee80211_txparam *tp; 2483 struct ieee80211_key *k; 2484 int rate, totlen; 2485 static const uint8_t ratediv[] = ZYD_TX_RATEDIV; 2486 uint8_t phy; 2487 uint16_t pktlen; 2488 uint32_t bits; 2489 2490 wh = mtod(m0, struct ieee80211_frame *); 2491 data = STAILQ_FIRST(&sc->tx_free); 2492 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2493 sc->tx_nfree--; 2494 2495 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2496 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2497 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2498 rate = tp->mgmtrate; 2499 } else { 2500 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2501 /* for data frames */ 2502 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2503 rate = tp->mcastrate; 2504 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2505 rate = tp->ucastrate; 2506 else { 2507 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2508 rate = ni->ni_txrate; 2509 } 2510 } 2511 2512 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2513 k = ieee80211_crypto_encap(ni, m0); 2514 if (k == NULL) { 2515 m_freem(m0); 2516 return (ENOBUFS); 2517 } 2518 /* packet header may have moved, reset our local pointer */ 2519 wh = mtod(m0, struct ieee80211_frame *); 2520 } 2521 2522 data->ni = ni; 2523 data->m = m0; 2524 data->rate = rate; 2525 2526 /* fill Tx descriptor */ 2527 desc = &data->desc; 2528 phy = zyd_plcp_signal(sc, rate); 2529 desc->phy = phy; 2530 if (ZYD_RATE_IS_OFDM(rate)) { 2531 desc->phy |= ZYD_TX_PHY_OFDM; 2532 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2533 desc->phy |= ZYD_TX_PHY_5GHZ; 2534 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2535 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2536 2537 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2538 desc->len = htole16(totlen); 2539 2540 desc->flags = ZYD_TX_FLAG_BACKOFF; 2541 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2542 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2543 if (totlen > vap->iv_rtsthreshold) { 2544 desc->flags |= ZYD_TX_FLAG_RTS; 2545 } else if (ZYD_RATE_IS_OFDM(rate) && 2546 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2547 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2548 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2549 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2550 desc->flags |= ZYD_TX_FLAG_RTS; 2551 } 2552 } else 2553 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2554 if ((wh->i_fc[0] & 2555 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2556 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2557 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2558 2559 /* actual transmit length (XXX why +10?) */ 2560 pktlen = ZYD_TX_DESC_SIZE + 10; 2561 if (sc->sc_macrev == ZYD_ZD1211) 2562 pktlen += totlen; 2563 desc->pktlen = htole16(pktlen); 2564 2565 bits = (rate == 11) ? (totlen * 16) + 10 : 2566 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2567 desc->plcp_length = htole16(bits / ratediv[phy]); 2568 desc->plcp_service = 0; 2569 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2570 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2571 desc->nextlen = 0; 2572 2573 if (ieee80211_radiotap_active_vap(vap)) { 2574 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2575 2576 tap->wt_flags = 0; 2577 tap->wt_rate = rate; 2578 2579 ieee80211_radiotap_tx(vap, m0); 2580 } 2581 2582 DPRINTF(sc, ZYD_DEBUG_XMIT, 2583 "%s: sending data frame len=%zu rate=%u\n", 2584 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2585 rate); 2586 2587 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2588 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2589 2590 return (0); 2591} 2592 2593static void 2594zyd_start(struct ifnet *ifp) 2595{ 2596 struct zyd_softc *sc = ifp->if_softc; 2597 struct ieee80211_node *ni; 2598 struct mbuf *m; 2599 2600 ZYD_LOCK(sc); 2601 for (;;) { 2602 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2603 if (m == NULL) 2604 break; 2605 if (sc->tx_nfree == 0) { 2606 IFQ_DRV_PREPEND(&ifp->if_snd, m); 2607 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2608 break; 2609 } 2610 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2611 if (zyd_tx_start(sc, m, ni) != 0) { 2612 ieee80211_free_node(ni); 2613 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2614 break; 2615 } 2616 } 2617 ZYD_UNLOCK(sc); 2618} 2619 2620static int 2621zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2622 const struct ieee80211_bpf_params *params) 2623{ 2624 struct ieee80211com *ic = ni->ni_ic; 2625 struct ifnet *ifp = ic->ic_ifp; 2626 struct zyd_softc *sc = ifp->if_softc; 2627 2628 ZYD_LOCK(sc); 2629 /* prevent management frames from being sent if we're not ready */ 2630 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2631 ZYD_UNLOCK(sc); 2632 m_freem(m); 2633 ieee80211_free_node(ni); 2634 return (ENETDOWN); 2635 } 2636 if (sc->tx_nfree == 0) { 2637 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2638 ZYD_UNLOCK(sc); 2639 m_freem(m); 2640 ieee80211_free_node(ni); 2641 return (ENOBUFS); /* XXX */ 2642 } 2643 2644 /* 2645 * Legacy path; interpret frame contents to decide 2646 * precisely how to send the frame. 2647 * XXX raw path 2648 */ 2649 if (zyd_tx_start(sc, m, ni) != 0) { 2650 ZYD_UNLOCK(sc); 2651 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 2652 ieee80211_free_node(ni); 2653 return (EIO); 2654 } 2655 ZYD_UNLOCK(sc); 2656 return (0); 2657} 2658 2659static int 2660zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2661{ 2662 struct zyd_softc *sc = ifp->if_softc; 2663 struct ieee80211com *ic = ifp->if_l2com; 2664 struct ifreq *ifr = (struct ifreq *) data; 2665 int error; 2666 int startall = 0; 2667 2668 ZYD_LOCK(sc); 2669 error = (sc->sc_flags & ZYD_FLAG_DETACHED) ? ENXIO : 0; 2670 ZYD_UNLOCK(sc); 2671 if (error) 2672 return (error); 2673 2674 switch (cmd) { 2675 case SIOCSIFFLAGS: 2676 ZYD_LOCK(sc); 2677 if (ifp->if_flags & IFF_UP) { 2678 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2679 zyd_init_locked(sc); 2680 startall = 1; 2681 } else 2682 zyd_set_multi(sc); 2683 } else { 2684 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2685 zyd_stop(sc); 2686 } 2687 ZYD_UNLOCK(sc); 2688 if (startall) 2689 ieee80211_start_all(ic); 2690 break; 2691 case SIOCGIFMEDIA: 2692 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2693 break; 2694 case SIOCGIFADDR: 2695 error = ether_ioctl(ifp, cmd, data); 2696 break; 2697 default: 2698 error = EINVAL; 2699 break; 2700 } 2701 return (error); 2702} 2703 2704static void 2705zyd_init_locked(struct zyd_softc *sc) 2706{ 2707 struct ifnet *ifp = sc->sc_ifp; 2708 struct ieee80211com *ic = ifp->if_l2com; 2709 struct usb_config_descriptor *cd; 2710 int error; 2711 uint32_t val; 2712 2713 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2714 2715 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2716 error = zyd_loadfirmware(sc); 2717 if (error != 0) { 2718 device_printf(sc->sc_dev, 2719 "could not load firmware (error=%d)\n", error); 2720 goto fail; 2721 } 2722 2723 /* reset device */ 2724 cd = usbd_get_config_descriptor(sc->sc_udev); 2725 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx, 2726 cd->bConfigurationValue); 2727 if (error) 2728 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2729 2730 error = zyd_hw_init(sc); 2731 if (error) { 2732 device_printf(sc->sc_dev, 2733 "hardware initialization failed\n"); 2734 goto fail; 2735 } 2736 2737 device_printf(sc->sc_dev, 2738 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2739 "BE%x NP%x Gain%x F%x\n", 2740 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2741 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2742 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2743 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2744 sc->sc_cckgain, sc->sc_fix_cr157); 2745 2746 /* read regulatory domain (currently unused) */ 2747 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2748 sc->sc_regdomain = val >> 16; 2749 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2750 sc->sc_regdomain); 2751 2752 /* we'll do software WEP decryption for now */ 2753 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2754 __func__); 2755 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2756 2757 sc->sc_flags |= ZYD_FLAG_INITONCE; 2758 } 2759 2760 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2761 zyd_stop(sc); 2762 2763 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2764 IF_LLADDR(ifp), ":"); 2765 error = zyd_set_macaddr(sc, IF_LLADDR(ifp)); 2766 if (error != 0) 2767 return; 2768 2769 /* set basic rates */ 2770 if (ic->ic_curmode == IEEE80211_MODE_11B) 2771 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2772 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2773 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2774 else /* assumes 802.11b/g */ 2775 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2776 2777 /* promiscuous mode */ 2778 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2779 /* multicast setup */ 2780 zyd_set_multi(sc); 2781 /* set RX filter */ 2782 error = zyd_set_rxfilter(sc); 2783 if (error != 0) 2784 goto fail; 2785 2786 /* switch radio transmitter ON */ 2787 error = zyd_switch_radio(sc, 1); 2788 if (error != 0) 2789 goto fail; 2790 /* set default BSS channel */ 2791 zyd_set_chan(sc, ic->ic_curchan); 2792 2793 /* 2794 * Allocate Tx and Rx xfer queues. 2795 */ 2796 zyd_setup_tx_list(sc); 2797 2798 /* enable interrupts */ 2799 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2800 2801 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2802 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2803 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2804 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2805 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2806 2807 return; 2808 2809fail: zyd_stop(sc); 2810 return; 2811} 2812 2813static void 2814zyd_init(void *priv) 2815{ 2816 struct zyd_softc *sc = priv; 2817 struct ifnet *ifp = sc->sc_ifp; 2818 struct ieee80211com *ic = ifp->if_l2com; 2819 2820 ZYD_LOCK(sc); 2821 zyd_init_locked(sc); 2822 ZYD_UNLOCK(sc); 2823 2824 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2825 ieee80211_start_all(ic); /* start all vap's */ 2826} 2827 2828static void 2829zyd_stop(struct zyd_softc *sc) 2830{ 2831 struct ifnet *ifp = sc->sc_ifp; 2832 int error; 2833 2834 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2835 2836 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2837 2838 /* 2839 * Drain all the transfers, if not already drained: 2840 */ 2841 ZYD_UNLOCK(sc); 2842 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2843 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2844 ZYD_LOCK(sc); 2845 2846 zyd_unsetup_tx_list(sc); 2847 2848 /* Stop now if the device was never set up */ 2849 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2850 return; 2851 2852 /* switch radio transmitter OFF */ 2853 error = zyd_switch_radio(sc, 0); 2854 if (error != 0) 2855 goto fail; 2856 /* disable Rx */ 2857 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2858 /* disable interrupts */ 2859 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2860 2861fail: 2862 return; 2863} 2864 2865static int 2866zyd_loadfirmware(struct zyd_softc *sc) 2867{ 2868 struct usb_device_request req; 2869 size_t size; 2870 u_char *fw; 2871 uint8_t stat; 2872 uint16_t addr; 2873 2874 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2875 return (0); 2876 2877 if (sc->sc_macrev == ZYD_ZD1211) { 2878 fw = (u_char *)zd1211_firmware; 2879 size = sizeof(zd1211_firmware); 2880 } else { 2881 fw = (u_char *)zd1211b_firmware; 2882 size = sizeof(zd1211b_firmware); 2883 } 2884 2885 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2886 req.bRequest = ZYD_DOWNLOADREQ; 2887 USETW(req.wIndex, 0); 2888 2889 addr = ZYD_FIRMWARE_START_ADDR; 2890 while (size > 0) { 2891 /* 2892 * When the transfer size is 4096 bytes, it is not 2893 * likely to be able to transfer it. 2894 * The cause is port or machine or chip? 2895 */ 2896 const int mlen = min(size, 64); 2897 2898 DPRINTF(sc, ZYD_DEBUG_FW, 2899 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2900 2901 USETW(req.wValue, addr); 2902 USETW(req.wLength, mlen); 2903 if (zyd_do_request(sc, &req, fw) != 0) 2904 return (EIO); 2905 2906 addr += mlen / 2; 2907 fw += mlen; 2908 size -= mlen; 2909 } 2910 2911 /* check whether the upload succeeded */ 2912 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2913 req.bRequest = ZYD_DOWNLOADSTS; 2914 USETW(req.wValue, 0); 2915 USETW(req.wIndex, 0); 2916 USETW(req.wLength, sizeof(stat)); 2917 if (zyd_do_request(sc, &req, &stat) != 0) 2918 return (EIO); 2919 2920 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2921 2922 return (stat & 0x80) ? (EIO) : (0); 2923} 2924 2925static void 2926zyd_scan_start(struct ieee80211com *ic) 2927{ 2928 struct ifnet *ifp = ic->ic_ifp; 2929 struct zyd_softc *sc = ifp->if_softc; 2930 2931 ZYD_LOCK(sc); 2932 /* want broadcast address while scanning */ 2933 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2934 ZYD_UNLOCK(sc); 2935} 2936 2937static void 2938zyd_scan_end(struct ieee80211com *ic) 2939{ 2940 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2941 2942 ZYD_LOCK(sc); 2943 /* restore previous bssid */ 2944 zyd_set_bssid(sc, sc->sc_bssid); 2945 ZYD_UNLOCK(sc); 2946} 2947 2948static void 2949zyd_set_channel(struct ieee80211com *ic) 2950{ 2951 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2952 2953 ZYD_LOCK(sc); 2954 zyd_set_chan(sc, ic->ic_curchan); 2955 ZYD_UNLOCK(sc); 2956} 2957 2958static device_method_t zyd_methods[] = { 2959 /* Device interface */ 2960 DEVMETHOD(device_probe, zyd_match), 2961 DEVMETHOD(device_attach, zyd_attach), 2962 DEVMETHOD(device_detach, zyd_detach), 2963 DEVMETHOD_END 2964}; 2965 2966static driver_t zyd_driver = { 2967 .name = "zyd", 2968 .methods = zyd_methods, 2969 .size = sizeof(struct zyd_softc) 2970}; 2971 2972static devclass_t zyd_devclass; 2973 2974DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2975MODULE_DEPEND(zyd, usb, 1, 1, 1); 2976MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2977MODULE_VERSION(zyd, 1); 2978