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: releng/10.3/sys/dev/usb/wlan/if_zyd.c 269266 2014-07-29 21:59:24Z hselasky $ */ 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: releng/10.3/sys/dev/usb/wlan/if_zyd.c 269266 2014-07-29 21:59:24Z hselasky $"); 24 25/* 26 * ZyDAS ZD1211/ZD1211B USB WLAN driver. 27 */ 28 29#include <sys/param.h> 30#include <sys/sockio.h> 31#include <sys/sysctl.h> 32#include <sys/lock.h> 33#include <sys/mutex.h> 34#include <sys/condvar.h> 35#include <sys/mbuf.h> 36#include <sys/kernel.h> 37#include <sys/socket.h> 38#include <sys/systm.h> 39#include <sys/malloc.h> 40#include <sys/module.h> 41#include <sys/bus.h> 42#include <sys/endian.h> 43#include <sys/kdb.h> 44 45#include <machine/bus.h> 46#include <machine/resource.h> 47#include <sys/rman.h> 48 49#include <net/bpf.h> 50#include <net/if.h> 51#include <net/if_arp.h> 52#include <net/ethernet.h> 53#include <net/if_dl.h> 54#include <net/if_media.h> 55#include <net/if_types.h> 56 57#ifdef INET 58#include <netinet/in.h> 59#include <netinet/in_systm.h> 60#include <netinet/in_var.h> 61#include <netinet/if_ether.h> 62#include <netinet/ip.h> 63#endif 64 65#include <net80211/ieee80211_var.h> 66#include <net80211/ieee80211_regdomain.h> 67#include <net80211/ieee80211_radiotap.h> 68#include <net80211/ieee80211_ratectl.h> 69 70#include <dev/usb/usb.h> 71#include <dev/usb/usbdi.h> 72#include <dev/usb/usbdi_util.h> 73#include "usbdevs.h" 74 75#include <dev/usb/wlan/if_zydreg.h> 76#include <dev/usb/wlan/if_zydfw.h> 77 78#ifdef USB_DEBUG 79static int zyd_debug = 0; 80 81static SYSCTL_NODE(_hw_usb, OID_AUTO, zyd, CTLFLAG_RW, 0, "USB zyd"); 82SYSCTL_INT(_hw_usb_zyd, OID_AUTO, debug, CTLFLAG_RW, &zyd_debug, 0, 83 "zyd debug level"); 84 85enum { 86 ZYD_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 87 ZYD_DEBUG_RECV = 0x00000002, /* basic recv operation */ 88 ZYD_DEBUG_RESET = 0x00000004, /* reset processing */ 89 ZYD_DEBUG_INIT = 0x00000008, /* device init */ 90 ZYD_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 91 ZYD_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 92 ZYD_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 93 ZYD_DEBUG_STAT = 0x00000080, /* statistic */ 94 ZYD_DEBUG_FW = 0x00000100, /* firmware */ 95 ZYD_DEBUG_CMD = 0x00000200, /* fw commands */ 96 ZYD_DEBUG_ANY = 0xffffffff 97}; 98#define DPRINTF(sc, m, fmt, ...) do { \ 99 if (zyd_debug & (m)) \ 100 printf("%s: " fmt, __func__, ## __VA_ARGS__); \ 101} while (0) 102#else 103#define DPRINTF(sc, m, fmt, ...) do { \ 104 (void) sc; \ 105} while (0) 106#endif 107 108#define zyd_do_request(sc,req,data) \ 109 usbd_do_request_flags((sc)->sc_udev, &(sc)->sc_mtx, req, data, 0, NULL, 5000) 110 111static device_probe_t zyd_match; 112static device_attach_t zyd_attach; 113static device_detach_t zyd_detach; 114 115static usb_callback_t zyd_intr_read_callback; 116static usb_callback_t zyd_intr_write_callback; 117static usb_callback_t zyd_bulk_read_callback; 118static usb_callback_t zyd_bulk_write_callback; 119 120static struct ieee80211vap *zyd_vap_create(struct ieee80211com *, 121 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 122 const uint8_t [IEEE80211_ADDR_LEN], 123 const uint8_t [IEEE80211_ADDR_LEN]); 124static void zyd_vap_delete(struct ieee80211vap *); 125static void zyd_tx_free(struct zyd_tx_data *, int); 126static void zyd_setup_tx_list(struct zyd_softc *); 127static void zyd_unsetup_tx_list(struct zyd_softc *); 128static int zyd_newstate(struct ieee80211vap *, enum ieee80211_state, int); 129static int zyd_cmd(struct zyd_softc *, uint16_t, const void *, int, 130 void *, int, int); 131static int zyd_read16(struct zyd_softc *, uint16_t, uint16_t *); 132static int zyd_read32(struct zyd_softc *, uint16_t, uint32_t *); 133static int zyd_write16(struct zyd_softc *, uint16_t, uint16_t); 134static int zyd_write32(struct zyd_softc *, uint16_t, uint32_t); 135static int zyd_rfwrite(struct zyd_softc *, uint32_t); 136static int zyd_lock_phy(struct zyd_softc *); 137static int zyd_unlock_phy(struct zyd_softc *); 138static int zyd_rf_attach(struct zyd_softc *, uint8_t); 139static const char *zyd_rf_name(uint8_t); 140static int zyd_hw_init(struct zyd_softc *); 141static int zyd_read_pod(struct zyd_softc *); 142static int zyd_read_eeprom(struct zyd_softc *); 143static int zyd_get_macaddr(struct zyd_softc *); 144static int zyd_set_macaddr(struct zyd_softc *, const uint8_t *); 145static int zyd_set_bssid(struct zyd_softc *, const uint8_t *); 146static int zyd_switch_radio(struct zyd_softc *, int); 147static int zyd_set_led(struct zyd_softc *, int, int); 148static void zyd_set_multi(struct zyd_softc *); 149static void zyd_update_mcast(struct ifnet *); 150static int zyd_set_rxfilter(struct zyd_softc *); 151static void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); 152static int zyd_set_beacon_interval(struct zyd_softc *, int); 153static void zyd_rx_data(struct usb_xfer *, int, uint16_t); 154static int zyd_tx_start(struct zyd_softc *, struct mbuf *, 155 struct ieee80211_node *); 156static void zyd_start(struct ifnet *); 157static int zyd_raw_xmit(struct ieee80211_node *, struct mbuf *, 158 const struct ieee80211_bpf_params *); 159static int zyd_ioctl(struct ifnet *, u_long, caddr_t); 160static void zyd_init_locked(struct zyd_softc *); 161static void zyd_init(void *); 162static void zyd_stop(struct zyd_softc *); 163static int zyd_loadfirmware(struct zyd_softc *); 164static void zyd_scan_start(struct ieee80211com *); 165static void zyd_scan_end(struct ieee80211com *); 166static void zyd_set_channel(struct ieee80211com *); 167static int zyd_rfmd_init(struct zyd_rf *); 168static int zyd_rfmd_switch_radio(struct zyd_rf *, int); 169static int zyd_rfmd_set_channel(struct zyd_rf *, uint8_t); 170static int zyd_al2230_init(struct zyd_rf *); 171static int zyd_al2230_switch_radio(struct zyd_rf *, int); 172static int zyd_al2230_set_channel(struct zyd_rf *, uint8_t); 173static int zyd_al2230_set_channel_b(struct zyd_rf *, uint8_t); 174static int zyd_al2230_init_b(struct zyd_rf *); 175static int zyd_al7230B_init(struct zyd_rf *); 176static int zyd_al7230B_switch_radio(struct zyd_rf *, int); 177static int zyd_al7230B_set_channel(struct zyd_rf *, uint8_t); 178static int zyd_al2210_init(struct zyd_rf *); 179static int zyd_al2210_switch_radio(struct zyd_rf *, int); 180static int zyd_al2210_set_channel(struct zyd_rf *, uint8_t); 181static int zyd_gct_init(struct zyd_rf *); 182static int zyd_gct_switch_radio(struct zyd_rf *, int); 183static int zyd_gct_set_channel(struct zyd_rf *, uint8_t); 184static int zyd_gct_mode(struct zyd_rf *); 185static int zyd_gct_set_channel_synth(struct zyd_rf *, int, int); 186static int zyd_gct_write(struct zyd_rf *, uint16_t); 187static int zyd_gct_txgain(struct zyd_rf *, uint8_t); 188static int zyd_maxim2_init(struct zyd_rf *); 189static int zyd_maxim2_switch_radio(struct zyd_rf *, int); 190static int zyd_maxim2_set_channel(struct zyd_rf *, uint8_t); 191 192static const struct zyd_phy_pair zyd_def_phy[] = ZYD_DEF_PHY; 193static const struct zyd_phy_pair zyd_def_phyB[] = ZYD_DEF_PHYB; 194 195/* various supported device vendors/products */ 196#define ZYD_ZD1211 0 197#define ZYD_ZD1211B 1 198 199#define ZYD_ZD1211_DEV(v,p) \ 200 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211) } 201#define ZYD_ZD1211B_DEV(v,p) \ 202 { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, ZYD_ZD1211B) } 203static const STRUCT_USB_HOST_ID zyd_devs[] = { 204 /* ZYD_ZD1211 */ 205 ZYD_ZD1211_DEV(3COM2, 3CRUSB10075), 206 ZYD_ZD1211_DEV(ABOCOM, WL54), 207 ZYD_ZD1211_DEV(ASUS, WL159G), 208 ZYD_ZD1211_DEV(CYBERTAN, TG54USB), 209 ZYD_ZD1211_DEV(DRAYTEK, VIGOR550), 210 ZYD_ZD1211_DEV(PLANEX2, GWUS54GD), 211 ZYD_ZD1211_DEV(PLANEX2, GWUS54GZL), 212 ZYD_ZD1211_DEV(PLANEX3, GWUS54GZ), 213 ZYD_ZD1211_DEV(PLANEX3, GWUS54MINI), 214 ZYD_ZD1211_DEV(SAGEM, XG760A), 215 ZYD_ZD1211_DEV(SENAO, NUB8301), 216 ZYD_ZD1211_DEV(SITECOMEU, WL113), 217 ZYD_ZD1211_DEV(SWEEX, ZD1211), 218 ZYD_ZD1211_DEV(TEKRAM, QUICKWLAN), 219 ZYD_ZD1211_DEV(TEKRAM, ZD1211_1), 220 ZYD_ZD1211_DEV(TEKRAM, ZD1211_2), 221 ZYD_ZD1211_DEV(TWINMOS, G240), 222 ZYD_ZD1211_DEV(UMEDIA, ALL0298V2), 223 ZYD_ZD1211_DEV(UMEDIA, TEW429UB_A), 224 ZYD_ZD1211_DEV(UMEDIA, TEW429UB), 225 ZYD_ZD1211_DEV(WISTRONNEWEB, UR055G), 226 ZYD_ZD1211_DEV(ZCOM, ZD1211), 227 ZYD_ZD1211_DEV(ZYDAS, ZD1211), 228 ZYD_ZD1211_DEV(ZYXEL, AG225H), 229 ZYD_ZD1211_DEV(ZYXEL, ZYAIRG220), 230 ZYD_ZD1211_DEV(ZYXEL, G200V2), 231 /* ZYD_ZD1211B */ 232 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG_NF), 233 ZYD_ZD1211B_DEV(ACCTON, SMCWUSBG), 234 ZYD_ZD1211B_DEV(ACCTON, ZD1211B), 235 ZYD_ZD1211B_DEV(ASUS, A9T_WIFI), 236 ZYD_ZD1211B_DEV(BELKIN, F5D7050_V4000), 237 ZYD_ZD1211B_DEV(BELKIN, ZD1211B), 238 ZYD_ZD1211B_DEV(CISCOLINKSYS, WUSBF54G), 239 ZYD_ZD1211B_DEV(FIBERLINE, WL430U), 240 ZYD_ZD1211B_DEV(MELCO, KG54L), 241 ZYD_ZD1211B_DEV(PHILIPS, SNU5600), 242 ZYD_ZD1211B_DEV(PLANEX2, GW_US54GXS), 243 ZYD_ZD1211B_DEV(SAGEM, XG76NA), 244 ZYD_ZD1211B_DEV(SITECOMEU, ZD1211B), 245 ZYD_ZD1211B_DEV(UMEDIA, TEW429UBC1), 246 ZYD_ZD1211B_DEV(USR, USR5423), 247 ZYD_ZD1211B_DEV(VTECH, ZD1211B), 248 ZYD_ZD1211B_DEV(ZCOM, ZD1211B), 249 ZYD_ZD1211B_DEV(ZYDAS, ZD1211B), 250 ZYD_ZD1211B_DEV(ZYXEL, M202), 251 ZYD_ZD1211B_DEV(ZYXEL, G202), 252 ZYD_ZD1211B_DEV(ZYXEL, G220V2) 253}; 254 255static const struct usb_config zyd_config[ZYD_N_TRANSFER] = { 256 [ZYD_BULK_WR] = { 257 .type = UE_BULK, 258 .endpoint = UE_ADDR_ANY, 259 .direction = UE_DIR_OUT, 260 .bufsize = ZYD_MAX_TXBUFSZ, 261 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 262 .callback = zyd_bulk_write_callback, 263 .ep_index = 0, 264 .timeout = 10000, /* 10 seconds */ 265 }, 266 [ZYD_BULK_RD] = { 267 .type = UE_BULK, 268 .endpoint = UE_ADDR_ANY, 269 .direction = UE_DIR_IN, 270 .bufsize = ZYX_MAX_RXBUFSZ, 271 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 272 .callback = zyd_bulk_read_callback, 273 .ep_index = 0, 274 }, 275 [ZYD_INTR_WR] = { 276 .type = UE_BULK_INTR, 277 .endpoint = UE_ADDR_ANY, 278 .direction = UE_DIR_OUT, 279 .bufsize = sizeof(struct zyd_cmd), 280 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 281 .callback = zyd_intr_write_callback, 282 .timeout = 1000, /* 1 second */ 283 .ep_index = 1, 284 }, 285 [ZYD_INTR_RD] = { 286 .type = UE_INTERRUPT, 287 .endpoint = UE_ADDR_ANY, 288 .direction = UE_DIR_IN, 289 .bufsize = sizeof(struct zyd_cmd), 290 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 291 .callback = zyd_intr_read_callback, 292 }, 293}; 294#define zyd_read16_m(sc, val, data) do { \ 295 error = zyd_read16(sc, val, data); \ 296 if (error != 0) \ 297 goto fail; \ 298} while (0) 299#define zyd_write16_m(sc, val, data) do { \ 300 error = zyd_write16(sc, val, data); \ 301 if (error != 0) \ 302 goto fail; \ 303} while (0) 304#define zyd_read32_m(sc, val, data) do { \ 305 error = zyd_read32(sc, val, data); \ 306 if (error != 0) \ 307 goto fail; \ 308} while (0) 309#define zyd_write32_m(sc, val, data) do { \ 310 error = zyd_write32(sc, val, data); \ 311 if (error != 0) \ 312 goto fail; \ 313} while (0) 314 315static int 316zyd_match(device_t dev) 317{ 318 struct usb_attach_arg *uaa = device_get_ivars(dev); 319 320 if (uaa->usb_mode != USB_MODE_HOST) 321 return (ENXIO); 322 if (uaa->info.bConfigIndex != ZYD_CONFIG_INDEX) 323 return (ENXIO); 324 if (uaa->info.bIfaceIndex != ZYD_IFACE_INDEX) 325 return (ENXIO); 326 327 return (usbd_lookup_id_by_uaa(zyd_devs, sizeof(zyd_devs), uaa)); 328} 329 330static int 331zyd_attach(device_t dev) 332{ 333 struct usb_attach_arg *uaa = device_get_ivars(dev); 334 struct zyd_softc *sc = device_get_softc(dev); 335 struct ifnet *ifp; 336 struct ieee80211com *ic; 337 uint8_t iface_index, bands; 338 int error; 339 340 if (uaa->info.bcdDevice < 0x4330) { 341 device_printf(dev, "device version mismatch: 0x%X " 342 "(only >= 43.30 supported)\n", 343 uaa->info.bcdDevice); 344 return (EINVAL); 345 } 346 347 device_set_usb_desc(dev); 348 sc->sc_dev = dev; 349 sc->sc_udev = uaa->device; 350 sc->sc_macrev = USB_GET_DRIVER_INFO(uaa); 351 352 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 353 MTX_NETWORK_LOCK, MTX_DEF); 354 STAILQ_INIT(&sc->sc_rqh); 355 356 iface_index = ZYD_IFACE_INDEX; 357 error = usbd_transfer_setup(uaa->device, 358 &iface_index, sc->sc_xfer, zyd_config, 359 ZYD_N_TRANSFER, sc, &sc->sc_mtx); 360 if (error) { 361 device_printf(dev, "could not allocate USB transfers, " 362 "err=%s\n", usbd_errstr(error)); 363 goto detach; 364 } 365 366 ZYD_LOCK(sc); 367 if ((error = zyd_get_macaddr(sc)) != 0) { 368 device_printf(sc->sc_dev, "could not read EEPROM\n"); 369 ZYD_UNLOCK(sc); 370 goto detach; 371 } 372 ZYD_UNLOCK(sc); 373 374 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 375 if (ifp == NULL) { 376 device_printf(sc->sc_dev, "can not if_alloc()\n"); 377 goto detach; 378 } 379 ifp->if_softc = sc; 380 if_initname(ifp, "zyd", device_get_unit(sc->sc_dev)); 381 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 382 ifp->if_init = zyd_init; 383 ifp->if_ioctl = zyd_ioctl; 384 ifp->if_start = zyd_start; 385 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 386 IFQ_SET_READY(&ifp->if_snd); 387 388 ic = ifp->if_l2com; 389 ic->ic_ifp = ifp; 390 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 391 ic->ic_opmode = IEEE80211_M_STA; 392 393 /* set device capabilities */ 394 ic->ic_caps = 395 IEEE80211_C_STA /* station mode */ 396 | IEEE80211_C_MONITOR /* monitor mode */ 397 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 398 | IEEE80211_C_SHSLOT /* short slot time supported */ 399 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 400 | IEEE80211_C_WPA /* 802.11i */ 401 ; 402 403 bands = 0; 404 setbit(&bands, IEEE80211_MODE_11B); 405 setbit(&bands, IEEE80211_MODE_11G); 406 ieee80211_init_channels(ic, NULL, &bands); 407 408 ieee80211_ifattach(ic, sc->sc_bssid); 409 ic->ic_raw_xmit = zyd_raw_xmit; 410 ic->ic_scan_start = zyd_scan_start; 411 ic->ic_scan_end = zyd_scan_end; 412 ic->ic_set_channel = zyd_set_channel; 413 414 ic->ic_vap_create = zyd_vap_create; 415 ic->ic_vap_delete = zyd_vap_delete; 416 ic->ic_update_mcast = zyd_update_mcast; 417 ic->ic_update_promisc = zyd_update_mcast; 418 419 ieee80211_radiotap_attach(ic, 420 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 421 ZYD_TX_RADIOTAP_PRESENT, 422 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 423 ZYD_RX_RADIOTAP_PRESENT); 424 425 if (bootverbose) 426 ieee80211_announce(ic); 427 428 return (0); 429 430detach: 431 zyd_detach(dev); 432 return (ENXIO); /* failure */ 433} 434 435static int 436zyd_detach(device_t dev) 437{ 438 struct zyd_softc *sc = device_get_softc(dev); 439 struct ifnet *ifp = sc->sc_ifp; 440 struct ieee80211com *ic; 441 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 STAILQ_INIT(&sc->tx_q); 450 STAILQ_INIT(&sc->tx_free); 451 ZYD_UNLOCK(sc); 452 453 /* drain USB transfers */ 454 for (x = 0; x != ZYD_N_TRANSFER; x++) 455 usbd_transfer_drain(sc->sc_xfer[x]); 456 457 /* free TX list, if any */ 458 ZYD_LOCK(sc); 459 zyd_unsetup_tx_list(sc); 460 ZYD_UNLOCK(sc); 461 462 /* free USB transfers and some data buffers */ 463 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 464 465 if (ifp) { 466 ic = ifp->if_l2com; 467 ieee80211_ifdetach(ic); 468 if_free(ifp); 469 } 470 mtx_destroy(&sc->sc_mtx); 471 472 return (0); 473} 474 475static struct ieee80211vap * 476zyd_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 477 enum ieee80211_opmode opmode, int flags, 478 const uint8_t bssid[IEEE80211_ADDR_LEN], 479 const uint8_t mac[IEEE80211_ADDR_LEN]) 480{ 481 struct zyd_vap *zvp; 482 struct ieee80211vap *vap; 483 484 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 485 return (NULL); 486 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap), 487 M_80211_VAP, M_NOWAIT | M_ZERO); 488 if (zvp == NULL) 489 return (NULL); 490 vap = &zvp->vap; 491 492 /* enable s/w bmiss handling for sta mode */ 493 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 494 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac) != 0) { 495 /* out of memory */ 496 free(zvp, M_80211_VAP); 497 return (NULL); 498 } 499 500 /* override state transition machine */ 501 zvp->newstate = vap->iv_newstate; 502 vap->iv_newstate = zyd_newstate; 503 504 ieee80211_ratectl_init(vap); 505 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 506 507 /* complete setup */ 508 ieee80211_vap_attach(vap, ieee80211_media_change, 509 ieee80211_media_status); 510 ic->ic_opmode = opmode; 511 return (vap); 512} 513 514static void 515zyd_vap_delete(struct ieee80211vap *vap) 516{ 517 struct zyd_vap *zvp = ZYD_VAP(vap); 518 519 ieee80211_ratectl_deinit(vap); 520 ieee80211_vap_detach(vap); 521 free(zvp, M_80211_VAP); 522} 523 524static void 525zyd_tx_free(struct zyd_tx_data *data, int txerr) 526{ 527 struct zyd_softc *sc = data->sc; 528 529 if (data->m != NULL) { 530 if (data->m->m_flags & M_TXCB) 531 ieee80211_process_callback(data->ni, data->m, 532 txerr ? ETIMEDOUT : 0); 533 m_freem(data->m); 534 data->m = NULL; 535 536 ieee80211_free_node(data->ni); 537 data->ni = NULL; 538 } 539 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 540 sc->tx_nfree++; 541} 542 543static void 544zyd_setup_tx_list(struct zyd_softc *sc) 545{ 546 struct zyd_tx_data *data; 547 int i; 548 549 sc->tx_nfree = 0; 550 STAILQ_INIT(&sc->tx_q); 551 STAILQ_INIT(&sc->tx_free); 552 553 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 554 data = &sc->tx_data[i]; 555 556 data->sc = sc; 557 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 558 sc->tx_nfree++; 559 } 560} 561 562static void 563zyd_unsetup_tx_list(struct zyd_softc *sc) 564{ 565 struct zyd_tx_data *data; 566 int i; 567 568 /* make sure any subsequent use of the queues will fail */ 569 sc->tx_nfree = 0; 570 STAILQ_INIT(&sc->tx_q); 571 STAILQ_INIT(&sc->tx_free); 572 573 /* free up all node references and mbufs */ 574 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 575 data = &sc->tx_data[i]; 576 577 if (data->m != NULL) { 578 m_freem(data->m); 579 data->m = NULL; 580 } 581 if (data->ni != NULL) { 582 ieee80211_free_node(data->ni); 583 data->ni = NULL; 584 } 585 } 586} 587 588static int 589zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 590{ 591 struct zyd_vap *zvp = ZYD_VAP(vap); 592 struct ieee80211com *ic = vap->iv_ic; 593 struct zyd_softc *sc = ic->ic_ifp->if_softc; 594 int error; 595 596 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__, 597 ieee80211_state_name[vap->iv_state], 598 ieee80211_state_name[nstate]); 599 600 IEEE80211_UNLOCK(ic); 601 ZYD_LOCK(sc); 602 switch (nstate) { 603 case IEEE80211_S_AUTH: 604 zyd_set_chan(sc, ic->ic_curchan); 605 break; 606 case IEEE80211_S_RUN: 607 if (vap->iv_opmode == IEEE80211_M_MONITOR) 608 break; 609 610 /* turn link LED on */ 611 error = zyd_set_led(sc, ZYD_LED1, 1); 612 if (error != 0) 613 break; 614 615 /* make data LED blink upon Tx */ 616 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 617 618 IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid); 619 zyd_set_bssid(sc, sc->sc_bssid); 620 break; 621 default: 622 break; 623 } 624fail: 625 ZYD_UNLOCK(sc); 626 IEEE80211_LOCK(ic); 627 return (zvp->newstate(vap, nstate, arg)); 628} 629 630/* 631 * Callback handler for interrupt transfer 632 */ 633static void 634zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) 635{ 636 struct zyd_softc *sc = usbd_xfer_softc(xfer); 637 struct ifnet *ifp = sc->sc_ifp; 638 struct ieee80211com *ic = ifp->if_l2com; 639 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 640 struct ieee80211_node *ni; 641 struct zyd_cmd *cmd = &sc->sc_ibuf; 642 struct usb_page_cache *pc; 643 int datalen; 644 int actlen; 645 646 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 647 648 switch (USB_GET_STATE(xfer)) { 649 case USB_ST_TRANSFERRED: 650 pc = usbd_xfer_get_frame(xfer, 0); 651 usbd_copy_out(pc, 0, cmd, sizeof(*cmd)); 652 653 switch (le16toh(cmd->code)) { 654 case ZYD_NOTIF_RETRYSTATUS: 655 { 656 struct zyd_notif_retry *retry = 657 (struct zyd_notif_retry *)cmd->data; 658 659 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 660 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 661 le16toh(retry->rate), ether_sprintf(retry->macaddr), 662 le16toh(retry->count)&0xff, le16toh(retry->count)); 663 664 /* 665 * Find the node to which the packet was sent and 666 * update its retry statistics. In BSS mode, this node 667 * is the AP we're associated to so no lookup is 668 * actually needed. 669 */ 670 ni = ieee80211_find_txnode(vap, retry->macaddr); 671 if (ni != NULL) { 672 int retrycnt = 673 (int)(le16toh(retry->count) & 0xff); 674 675 ieee80211_ratectl_tx_complete(vap, ni, 676 IEEE80211_RATECTL_TX_FAILURE, 677 &retrycnt, NULL); 678 ieee80211_free_node(ni); 679 } 680 if (le16toh(retry->count) & 0x100) 681 ifp->if_oerrors++; /* too many retries */ 682 break; 683 } 684 case ZYD_NOTIF_IORD: 685 { 686 struct zyd_rq *rqp; 687 688 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 689 break; /* HMAC interrupt */ 690 691 datalen = actlen - sizeof(cmd->code); 692 datalen -= 2; /* XXX: padding? */ 693 694 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 695 int i; 696 int count; 697 698 if (rqp->olen != datalen) 699 continue; 700 count = rqp->olen / sizeof(struct zyd_pair); 701 for (i = 0; i < count; i++) { 702 if (*(((const uint16_t *)rqp->idata) + i) != 703 (((struct zyd_pair *)cmd->data) + i)->reg) 704 break; 705 } 706 if (i != count) 707 continue; 708 /* copy answer into caller-supplied buffer */ 709 memcpy(rqp->odata, cmd->data, rqp->olen); 710 DPRINTF(sc, ZYD_DEBUG_CMD, 711 "command %p complete, data = %*D \n", 712 rqp, rqp->olen, (char *)rqp->odata, ":"); 713 wakeup(rqp); /* wakeup caller */ 714 break; 715 } 716 if (rqp == NULL) { 717 device_printf(sc->sc_dev, 718 "unexpected IORD notification %*D\n", 719 datalen, cmd->data, ":"); 720 } 721 break; 722 } 723 default: 724 device_printf(sc->sc_dev, "unknown notification %x\n", 725 le16toh(cmd->code)); 726 } 727 728 /* FALLTHROUGH */ 729 case USB_ST_SETUP: 730tr_setup: 731 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 732 usbd_transfer_submit(xfer); 733 break; 734 735 default: /* Error */ 736 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 737 usbd_errstr(error)); 738 739 if (error != USB_ERR_CANCELLED) { 740 /* try to clear stall first */ 741 usbd_xfer_set_stall(xfer); 742 goto tr_setup; 743 } 744 break; 745 } 746} 747 748static void 749zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) 750{ 751 struct zyd_softc *sc = usbd_xfer_softc(xfer); 752 struct zyd_rq *rqp, *cmd; 753 struct usb_page_cache *pc; 754 755 switch (USB_GET_STATE(xfer)) { 756 case USB_ST_TRANSFERRED: 757 cmd = usbd_xfer_get_priv(xfer); 758 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd); 759 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 760 /* Ensure the cached rq pointer is still valid */ 761 if (rqp == cmd && 762 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 763 wakeup(rqp); /* wakeup caller */ 764 } 765 766 /* FALLTHROUGH */ 767 case USB_ST_SETUP: 768tr_setup: 769 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 770 if (rqp->flags & ZYD_CMD_FLAG_SENT) 771 continue; 772 773 pc = usbd_xfer_get_frame(xfer, 0); 774 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen); 775 776 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen); 777 usbd_xfer_set_priv(xfer, rqp); 778 rqp->flags |= ZYD_CMD_FLAG_SENT; 779 usbd_transfer_submit(xfer); 780 break; 781 } 782 break; 783 784 default: /* Error */ 785 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 786 usbd_errstr(error)); 787 788 if (error != USB_ERR_CANCELLED) { 789 /* try to clear stall first */ 790 usbd_xfer_set_stall(xfer); 791 goto tr_setup; 792 } 793 break; 794 } 795} 796 797static int 798zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 799 void *odata, int olen, int flags) 800{ 801 struct zyd_cmd cmd; 802 struct zyd_rq rq; 803 int error; 804 805 if (ilen > (int)sizeof(cmd.data)) 806 return (EINVAL); 807 808 cmd.code = htole16(code); 809 memcpy(cmd.data, idata, ilen); 810 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 811 &rq, ilen, idata, ":"); 812 813 rq.cmd = &cmd; 814 rq.idata = idata; 815 rq.odata = odata; 816 rq.ilen = sizeof(uint16_t) + ilen; 817 rq.olen = olen; 818 rq.flags = flags; 819 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 820 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 821 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 822 823 /* wait at most one second for command reply */ 824 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 825 if (error) 826 device_printf(sc->sc_dev, "command timeout\n"); 827 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 828 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 829 &rq, error); 830 831 return (error); 832} 833 834static int 835zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 836{ 837 struct zyd_pair tmp; 838 int error; 839 840 reg = htole16(reg); 841 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 842 ZYD_CMD_FLAG_READ); 843 if (error == 0) 844 *val = le16toh(tmp.val); 845 return (error); 846} 847 848static int 849zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 850{ 851 struct zyd_pair tmp[2]; 852 uint16_t regs[2]; 853 int error; 854 855 regs[0] = htole16(ZYD_REG32_HI(reg)); 856 regs[1] = htole16(ZYD_REG32_LO(reg)); 857 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 858 ZYD_CMD_FLAG_READ); 859 if (error == 0) 860 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 861 return (error); 862} 863 864static int 865zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 866{ 867 struct zyd_pair pair; 868 869 pair.reg = htole16(reg); 870 pair.val = htole16(val); 871 872 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 873} 874 875static int 876zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 877{ 878 struct zyd_pair pair[2]; 879 880 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 881 pair[0].val = htole16(val >> 16); 882 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 883 pair[1].val = htole16(val & 0xffff); 884 885 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 886} 887 888static int 889zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 890{ 891 struct zyd_rf *rf = &sc->sc_rf; 892 struct zyd_rfwrite_cmd req; 893 uint16_t cr203; 894 int error, i; 895 896 zyd_read16_m(sc, ZYD_CR203, &cr203); 897 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 898 899 req.code = htole16(2); 900 req.width = htole16(rf->width); 901 for (i = 0; i < rf->width; i++) { 902 req.bit[i] = htole16(cr203); 903 if (val & (1 << (rf->width - 1 - i))) 904 req.bit[i] |= htole16(ZYD_RF_DATA); 905 } 906 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 907fail: 908 return (error); 909} 910 911static int 912zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 913{ 914 int error; 915 916 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 917 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 918 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 919fail: 920 return (error); 921} 922 923static int 924zyd_lock_phy(struct zyd_softc *sc) 925{ 926 int error; 927 uint32_t tmp; 928 929 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 930 tmp &= ~ZYD_UNLOCK_PHY_REGS; 931 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 932fail: 933 return (error); 934} 935 936static int 937zyd_unlock_phy(struct zyd_softc *sc) 938{ 939 int error; 940 uint32_t tmp; 941 942 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 943 tmp |= ZYD_UNLOCK_PHY_REGS; 944 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 945fail: 946 return (error); 947} 948 949/* 950 * RFMD RF methods. 951 */ 952static int 953zyd_rfmd_init(struct zyd_rf *rf) 954{ 955#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 956 struct zyd_softc *sc = rf->rf_sc; 957 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 958 static const uint32_t rfini[] = ZYD_RFMD_RF; 959 int i, error; 960 961 /* init RF-dependent PHY registers */ 962 for (i = 0; i < N(phyini); i++) { 963 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 964 } 965 966 /* init RFMD radio */ 967 for (i = 0; i < N(rfini); i++) { 968 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 969 return (error); 970 } 971fail: 972 return (error); 973#undef N 974} 975 976static int 977zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 978{ 979 int error; 980 struct zyd_softc *sc = rf->rf_sc; 981 982 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 983 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 984fail: 985 return (error); 986} 987 988static int 989zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 990{ 991 int error; 992 struct zyd_softc *sc = rf->rf_sc; 993 static const struct { 994 uint32_t r1, r2; 995 } rfprog[] = ZYD_RFMD_CHANTABLE; 996 997 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 998 if (error != 0) 999 goto fail; 1000 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1001 if (error != 0) 1002 goto fail; 1003 1004fail: 1005 return (error); 1006} 1007 1008/* 1009 * AL2230 RF methods. 1010 */ 1011static int 1012zyd_al2230_init(struct zyd_rf *rf) 1013{ 1014#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1015 struct zyd_softc *sc = rf->rf_sc; 1016 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1017 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1018 static const struct zyd_phy_pair phypll[] = { 1019 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1020 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1021 }; 1022 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1023 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1024 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1025 int i, error; 1026 1027 /* init RF-dependent PHY registers */ 1028 for (i = 0; i < N(phyini); i++) 1029 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1030 1031 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1032 for (i = 0; i < N(phy2230s); i++) 1033 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1034 } 1035 1036 /* init AL2230 radio */ 1037 for (i = 0; i < N(rfini1); i++) { 1038 error = zyd_rfwrite(sc, rfini1[i]); 1039 if (error != 0) 1040 goto fail; 1041 } 1042 1043 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1044 error = zyd_rfwrite(sc, 0x000824); 1045 else 1046 error = zyd_rfwrite(sc, 0x0005a4); 1047 if (error != 0) 1048 goto fail; 1049 1050 for (i = 0; i < N(rfini2); i++) { 1051 error = zyd_rfwrite(sc, rfini2[i]); 1052 if (error != 0) 1053 goto fail; 1054 } 1055 1056 for (i = 0; i < N(phypll); i++) 1057 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1058 1059 for (i = 0; i < N(rfini3); i++) { 1060 error = zyd_rfwrite(sc, rfini3[i]); 1061 if (error != 0) 1062 goto fail; 1063 } 1064fail: 1065 return (error); 1066#undef N 1067} 1068 1069static int 1070zyd_al2230_fini(struct zyd_rf *rf) 1071{ 1072#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1073 int error, i; 1074 struct zyd_softc *sc = rf->rf_sc; 1075 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1076 1077 for (i = 0; i < N(phy); i++) 1078 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1079 1080 if (sc->sc_newphy != 0) 1081 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1082 1083 zyd_write16_m(sc, ZYD_CR203, 0x6); 1084fail: 1085 return (error); 1086#undef N 1087} 1088 1089static int 1090zyd_al2230_init_b(struct zyd_rf *rf) 1091{ 1092#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1093 struct zyd_softc *sc = rf->rf_sc; 1094 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1095 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1096 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1097 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1098 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1099 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1100 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1101 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1102 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1103 int i, error; 1104 1105 for (i = 0; i < N(phy1); i++) 1106 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1107 1108 /* init RF-dependent PHY registers */ 1109 for (i = 0; i < N(phyini); i++) 1110 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1111 1112 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1113 for (i = 0; i < N(phy2230s); i++) 1114 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1115 } 1116 1117 for (i = 0; i < 3; i++) { 1118 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1119 if (error != 0) 1120 return (error); 1121 } 1122 1123 for (i = 0; i < N(rfini_part1); i++) { 1124 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1125 if (error != 0) 1126 return (error); 1127 } 1128 1129 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1130 error = zyd_rfwrite(sc, 0x241000); 1131 else 1132 error = zyd_rfwrite(sc, 0x25a000); 1133 if (error != 0) 1134 goto fail; 1135 1136 for (i = 0; i < N(rfini_part2); i++) { 1137 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1138 if (error != 0) 1139 return (error); 1140 } 1141 1142 for (i = 0; i < N(phy2); i++) 1143 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1144 1145 for (i = 0; i < N(rfini_part3); i++) { 1146 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1147 if (error != 0) 1148 return (error); 1149 } 1150 1151 for (i = 0; i < N(phy3); i++) 1152 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1153 1154 error = zyd_al2230_fini(rf); 1155fail: 1156 return (error); 1157#undef N 1158} 1159 1160static int 1161zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1162{ 1163 struct zyd_softc *sc = rf->rf_sc; 1164 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1165 1166 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1167 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1168fail: 1169 return (error); 1170} 1171 1172static int 1173zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1174{ 1175#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1176 int error, i; 1177 struct zyd_softc *sc = rf->rf_sc; 1178 static const struct zyd_phy_pair phy1[] = { 1179 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1180 }; 1181 static const struct { 1182 uint32_t r1, r2, r3; 1183 } rfprog[] = ZYD_AL2230_CHANTABLE; 1184 1185 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1186 if (error != 0) 1187 goto fail; 1188 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1189 if (error != 0) 1190 goto fail; 1191 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1192 if (error != 0) 1193 goto fail; 1194 1195 for (i = 0; i < N(phy1); i++) 1196 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1197fail: 1198 return (error); 1199#undef N 1200} 1201 1202static int 1203zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1204{ 1205#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1206 int error, i; 1207 struct zyd_softc *sc = rf->rf_sc; 1208 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1209 static const struct { 1210 uint32_t r1, r2, r3; 1211 } rfprog[] = ZYD_AL2230_CHANTABLE_B; 1212 1213 for (i = 0; i < N(phy1); i++) 1214 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1215 1216 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1); 1217 if (error != 0) 1218 goto fail; 1219 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2); 1220 if (error != 0) 1221 goto fail; 1222 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3); 1223 if (error != 0) 1224 goto fail; 1225 error = zyd_al2230_fini(rf); 1226fail: 1227 return (error); 1228#undef N 1229} 1230 1231#define ZYD_AL2230_PHY_BANDEDGE6 \ 1232{ \ 1233 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1234 { ZYD_CR47, 0x1e } \ 1235} 1236 1237static int 1238zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1239{ 1240#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1241 int error = 0, i; 1242 struct zyd_softc *sc = rf->rf_sc; 1243 struct ifnet *ifp = sc->sc_ifp; 1244 struct ieee80211com *ic = ifp->if_l2com; 1245 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1246 int chan = ieee80211_chan2ieee(ic, c); 1247 1248 if (chan == 1 || chan == 11) 1249 r[0].val = 0x12; 1250 1251 for (i = 0; i < N(r); i++) 1252 zyd_write16_m(sc, r[i].reg, r[i].val); 1253fail: 1254 return (error); 1255#undef N 1256} 1257 1258/* 1259 * AL7230B RF methods. 1260 */ 1261static int 1262zyd_al7230B_init(struct zyd_rf *rf) 1263{ 1264#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1265 struct zyd_softc *sc = rf->rf_sc; 1266 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1267 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1268 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1269 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1270 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1271 int i, error; 1272 1273 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1274 1275 /* init RF-dependent PHY registers, part one */ 1276 for (i = 0; i < N(phyini_1); i++) 1277 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1278 1279 /* init AL7230B radio, part one */ 1280 for (i = 0; i < N(rfini_1); i++) { 1281 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1282 return (error); 1283 } 1284 /* init RF-dependent PHY registers, part two */ 1285 for (i = 0; i < N(phyini_2); i++) 1286 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1287 1288 /* init AL7230B radio, part two */ 1289 for (i = 0; i < N(rfini_2); i++) { 1290 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1291 return (error); 1292 } 1293 /* init RF-dependent PHY registers, part three */ 1294 for (i = 0; i < N(phyini_3); i++) 1295 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1296fail: 1297 return (error); 1298#undef N 1299} 1300 1301static int 1302zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1303{ 1304 int error; 1305 struct zyd_softc *sc = rf->rf_sc; 1306 1307 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1308 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1309fail: 1310 return (error); 1311} 1312 1313static int 1314zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1315{ 1316#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1317 struct zyd_softc *sc = rf->rf_sc; 1318 static const struct { 1319 uint32_t r1, r2; 1320 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1321 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1322 int i, error; 1323 1324 zyd_write16_m(sc, ZYD_CR240, 0x57); 1325 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1326 1327 for (i = 0; i < N(rfsc); i++) { 1328 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1329 return (error); 1330 } 1331 1332 zyd_write16_m(sc, ZYD_CR128, 0x14); 1333 zyd_write16_m(sc, ZYD_CR129, 0x12); 1334 zyd_write16_m(sc, ZYD_CR130, 0x10); 1335 zyd_write16_m(sc, ZYD_CR38, 0x38); 1336 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1337 1338 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1339 if (error != 0) 1340 goto fail; 1341 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1342 if (error != 0) 1343 goto fail; 1344 error = zyd_rfwrite(sc, 0x3c9000); 1345 if (error != 0) 1346 goto fail; 1347 1348 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1349 zyd_write16_m(sc, ZYD_CR203, 0x06); 1350 zyd_write16_m(sc, ZYD_CR240, 0x08); 1351fail: 1352 return (error); 1353#undef N 1354} 1355 1356/* 1357 * AL2210 RF methods. 1358 */ 1359static int 1360zyd_al2210_init(struct zyd_rf *rf) 1361{ 1362#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1363 struct zyd_softc *sc = rf->rf_sc; 1364 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1365 static const uint32_t rfini[] = ZYD_AL2210_RF; 1366 uint32_t tmp; 1367 int i, error; 1368 1369 zyd_write32_m(sc, ZYD_CR18, 2); 1370 1371 /* init RF-dependent PHY registers */ 1372 for (i = 0; i < N(phyini); i++) 1373 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1374 1375 /* init AL2210 radio */ 1376 for (i = 0; i < N(rfini); i++) { 1377 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1378 return (error); 1379 } 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 zyd_write32_m(sc, ZYD_CR18, 3); 1388fail: 1389 return (error); 1390#undef N 1391} 1392 1393static int 1394zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1395{ 1396 /* vendor driver does nothing for this RF chip */ 1397 1398 return (0); 1399} 1400 1401static int 1402zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1403{ 1404 int error; 1405 struct zyd_softc *sc = rf->rf_sc; 1406 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1407 uint32_t tmp; 1408 1409 zyd_write32_m(sc, ZYD_CR18, 2); 1410 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1411 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1412 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1413 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1414 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1415 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1416 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1417 1418 /* actually set the channel */ 1419 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1420 if (error != 0) 1421 goto fail; 1422 1423 zyd_write32_m(sc, ZYD_CR18, 3); 1424fail: 1425 return (error); 1426} 1427 1428/* 1429 * GCT RF methods. 1430 */ 1431static int 1432zyd_gct_init(struct zyd_rf *rf) 1433{ 1434#define ZYD_GCT_INTR_REG 0x85c1 1435#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1436 struct zyd_softc *sc = rf->rf_sc; 1437 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1438 static const uint32_t rfini[] = ZYD_GCT_RF; 1439 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1440 int i, idx = -1, error; 1441 uint16_t data; 1442 1443 /* init RF-dependent PHY registers */ 1444 for (i = 0; i < N(phyini); i++) 1445 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1446 1447 /* init cgt radio */ 1448 for (i = 0; i < N(rfini); i++) { 1449 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1450 return (error); 1451 } 1452 1453 error = zyd_gct_mode(rf); 1454 if (error != 0) 1455 return (error); 1456 1457 for (i = 0; i < (int)(N(vco) - 1); i++) { 1458 error = zyd_gct_set_channel_synth(rf, 1, 0); 1459 if (error != 0) 1460 goto fail; 1461 error = zyd_gct_write(rf, vco[i][0]); 1462 if (error != 0) 1463 goto fail; 1464 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1465 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1466 if ((data & 0xf) == 0) { 1467 idx = i; 1468 break; 1469 } 1470 } 1471 if (idx == -1) { 1472 error = zyd_gct_set_channel_synth(rf, 1, 1); 1473 if (error != 0) 1474 goto fail; 1475 error = zyd_gct_write(rf, 0x6662); 1476 if (error != 0) 1477 goto fail; 1478 } 1479 1480 rf->idx = idx; 1481 zyd_write16_m(sc, ZYD_CR203, 0x6); 1482fail: 1483 return (error); 1484#undef N 1485#undef ZYD_GCT_INTR_REG 1486} 1487 1488static int 1489zyd_gct_mode(struct zyd_rf *rf) 1490{ 1491#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1492 struct zyd_softc *sc = rf->rf_sc; 1493 static const uint32_t mode[] = { 1494 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1495 }; 1496 int i, error; 1497 1498 for (i = 0; i < N(mode); i++) { 1499 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1500 break; 1501 } 1502 return (error); 1503#undef N 1504} 1505 1506static int 1507zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1508{ 1509 int error, idx = chan - 1; 1510 struct zyd_softc *sc = rf->rf_sc; 1511 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1512 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1513 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1514 1515 error = zyd_rfwrite(sc, 1516 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1517 if (error != 0) 1518 return (error); 1519 return zyd_rfwrite(sc, div_synth[idx]); 1520} 1521 1522static int 1523zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1524{ 1525 struct zyd_softc *sc = rf->rf_sc; 1526 1527 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1528} 1529 1530static int 1531zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1532{ 1533 int error; 1534 struct zyd_softc *sc = rf->rf_sc; 1535 1536 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1537 if (error != 0) 1538 return (error); 1539 1540 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1541 zyd_write16_m(sc, ZYD_CR251, 1542 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1543fail: 1544 return (error); 1545} 1546 1547static int 1548zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1549{ 1550#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1551 int error, i; 1552 struct zyd_softc *sc = rf->rf_sc; 1553 static const struct zyd_phy_pair cmd[] = { 1554 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1555 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1556 }; 1557 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1558 1559 error = zyd_gct_set_channel_synth(rf, chan, 0); 1560 if (error != 0) 1561 goto fail; 1562 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1563 vco[rf->idx][((chan - 1) / 2)]); 1564 if (error != 0) 1565 goto fail; 1566 error = zyd_gct_mode(rf); 1567 if (error != 0) 1568 return (error); 1569 for (i = 0; i < N(cmd); i++) 1570 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1571 error = zyd_gct_txgain(rf, chan); 1572 if (error != 0) 1573 return (error); 1574 zyd_write16_m(sc, ZYD_CR203, 0x6); 1575fail: 1576 return (error); 1577#undef N 1578} 1579 1580static int 1581zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1582{ 1583#define N(a) (sizeof(a) / sizeof((a)[0])) 1584 struct zyd_softc *sc = rf->rf_sc; 1585 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1586 uint8_t idx = sc->sc_pwrint[chan - 1]; 1587 1588 if (idx >= N(txgain)) { 1589 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1590 chan, idx); 1591 return 0; 1592 } 1593 1594 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1595#undef N 1596} 1597 1598/* 1599 * Maxim2 RF methods. 1600 */ 1601static int 1602zyd_maxim2_init(struct zyd_rf *rf) 1603{ 1604#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1605 struct zyd_softc *sc = rf->rf_sc; 1606 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1607 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1608 uint16_t tmp; 1609 int i, error; 1610 1611 /* init RF-dependent PHY registers */ 1612 for (i = 0; i < N(phyini); i++) 1613 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1614 1615 zyd_read16_m(sc, ZYD_CR203, &tmp); 1616 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1617 1618 /* init maxim2 radio */ 1619 for (i = 0; i < N(rfini); i++) { 1620 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1621 return (error); 1622 } 1623 zyd_read16_m(sc, ZYD_CR203, &tmp); 1624 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1625fail: 1626 return (error); 1627#undef N 1628} 1629 1630static int 1631zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1632{ 1633 1634 /* vendor driver does nothing for this RF chip */ 1635 return (0); 1636} 1637 1638static int 1639zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1640{ 1641#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1642 struct zyd_softc *sc = rf->rf_sc; 1643 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1644 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1645 static const struct { 1646 uint32_t r1, r2; 1647 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1648 uint16_t tmp; 1649 int i, error; 1650 1651 /* 1652 * Do the same as we do when initializing it, except for the channel 1653 * values coming from the two channel tables. 1654 */ 1655 1656 /* init RF-dependent PHY registers */ 1657 for (i = 0; i < N(phyini); i++) 1658 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1659 1660 zyd_read16_m(sc, ZYD_CR203, &tmp); 1661 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1662 1663 /* first two values taken from the chantables */ 1664 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1665 if (error != 0) 1666 goto fail; 1667 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1668 if (error != 0) 1669 goto fail; 1670 1671 /* init maxim2 radio - skipping the two first values */ 1672 for (i = 2; i < N(rfini); i++) { 1673 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1674 return (error); 1675 } 1676 zyd_read16_m(sc, ZYD_CR203, &tmp); 1677 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1678fail: 1679 return (error); 1680#undef N 1681} 1682 1683static int 1684zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1685{ 1686 struct zyd_rf *rf = &sc->sc_rf; 1687 1688 rf->rf_sc = sc; 1689 rf->update_pwr = 1; 1690 1691 switch (type) { 1692 case ZYD_RF_RFMD: 1693 rf->init = zyd_rfmd_init; 1694 rf->switch_radio = zyd_rfmd_switch_radio; 1695 rf->set_channel = zyd_rfmd_set_channel; 1696 rf->width = 24; /* 24-bit RF values */ 1697 break; 1698 case ZYD_RF_AL2230: 1699 case ZYD_RF_AL2230S: 1700 if (sc->sc_macrev == ZYD_ZD1211B) { 1701 rf->init = zyd_al2230_init_b; 1702 rf->set_channel = zyd_al2230_set_channel_b; 1703 } else { 1704 rf->init = zyd_al2230_init; 1705 rf->set_channel = zyd_al2230_set_channel; 1706 } 1707 rf->switch_radio = zyd_al2230_switch_radio; 1708 rf->bandedge6 = zyd_al2230_bandedge6; 1709 rf->width = 24; /* 24-bit RF values */ 1710 break; 1711 case ZYD_RF_AL7230B: 1712 rf->init = zyd_al7230B_init; 1713 rf->switch_radio = zyd_al7230B_switch_radio; 1714 rf->set_channel = zyd_al7230B_set_channel; 1715 rf->width = 24; /* 24-bit RF values */ 1716 break; 1717 case ZYD_RF_AL2210: 1718 rf->init = zyd_al2210_init; 1719 rf->switch_radio = zyd_al2210_switch_radio; 1720 rf->set_channel = zyd_al2210_set_channel; 1721 rf->width = 24; /* 24-bit RF values */ 1722 break; 1723 case ZYD_RF_MAXIM_NEW: 1724 case ZYD_RF_GCT: 1725 rf->init = zyd_gct_init; 1726 rf->switch_radio = zyd_gct_switch_radio; 1727 rf->set_channel = zyd_gct_set_channel; 1728 rf->width = 24; /* 24-bit RF values */ 1729 rf->update_pwr = 0; 1730 break; 1731 case ZYD_RF_MAXIM_NEW2: 1732 rf->init = zyd_maxim2_init; 1733 rf->switch_radio = zyd_maxim2_switch_radio; 1734 rf->set_channel = zyd_maxim2_set_channel; 1735 rf->width = 18; /* 18-bit RF values */ 1736 break; 1737 default: 1738 device_printf(sc->sc_dev, 1739 "sorry, radio \"%s\" is not supported yet\n", 1740 zyd_rf_name(type)); 1741 return (EINVAL); 1742 } 1743 return (0); 1744} 1745 1746static const char * 1747zyd_rf_name(uint8_t type) 1748{ 1749 static const char * const zyd_rfs[] = { 1750 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1751 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1752 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1753 "PHILIPS" 1754 }; 1755 1756 return zyd_rfs[(type > 15) ? 0 : type]; 1757} 1758 1759static int 1760zyd_hw_init(struct zyd_softc *sc) 1761{ 1762 int error; 1763 const struct zyd_phy_pair *phyp; 1764 struct zyd_rf *rf = &sc->sc_rf; 1765 uint16_t val; 1766 1767 /* specify that the plug and play is finished */ 1768 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1769 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1770 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1771 sc->sc_fwbase); 1772 1773 /* retrieve firmware revision number */ 1774 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1775 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1776 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1777 /* set mandatory rates - XXX assumes 802.11b/g */ 1778 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1779 1780 /* disable interrupts */ 1781 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1782 1783 if ((error = zyd_read_pod(sc)) != 0) { 1784 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1785 goto fail; 1786 } 1787 1788 /* PHY init (resetting) */ 1789 error = zyd_lock_phy(sc); 1790 if (error != 0) 1791 goto fail; 1792 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1793 for (; phyp->reg != 0; phyp++) 1794 zyd_write16_m(sc, phyp->reg, phyp->val); 1795 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1796 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1797 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1798 } 1799 error = zyd_unlock_phy(sc); 1800 if (error != 0) 1801 goto fail; 1802 1803 /* HMAC init */ 1804 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1805 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1806 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1807 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1808 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1809 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1810 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1811 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1812 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1813 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1814 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1815 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1816 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1817 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1818 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1819 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1820 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1821 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1822 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1823 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1824 1825 if (sc->sc_macrev == ZYD_ZD1211) { 1826 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1827 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1828 } else { 1829 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1830 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1831 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1832 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1833 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1834 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1835 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1836 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1837 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1838 } 1839 1840 /* init beacon interval to 100ms */ 1841 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1842 goto fail; 1843 1844 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1845 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1846 sc->sc_rfrev); 1847 goto fail; 1848 } 1849 1850 /* RF chip init */ 1851 error = zyd_lock_phy(sc); 1852 if (error != 0) 1853 goto fail; 1854 error = (*rf->init)(rf); 1855 if (error != 0) { 1856 device_printf(sc->sc_dev, 1857 "radio initialization failed, error %d\n", error); 1858 goto fail; 1859 } 1860 error = zyd_unlock_phy(sc); 1861 if (error != 0) 1862 goto fail; 1863 1864 if ((error = zyd_read_eeprom(sc)) != 0) { 1865 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1866 goto fail; 1867 } 1868 1869fail: return (error); 1870} 1871 1872static int 1873zyd_read_pod(struct zyd_softc *sc) 1874{ 1875 int error; 1876 uint32_t tmp; 1877 1878 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1879 sc->sc_rfrev = tmp & 0x0f; 1880 sc->sc_ledtype = (tmp >> 4) & 0x01; 1881 sc->sc_al2230s = (tmp >> 7) & 0x01; 1882 sc->sc_cckgain = (tmp >> 8) & 0x01; 1883 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1884 sc->sc_parev = (tmp >> 16) & 0x0f; 1885 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1886 sc->sc_newphy = (tmp >> 31) & 0x01; 1887 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1888fail: 1889 return (error); 1890} 1891 1892static int 1893zyd_read_eeprom(struct zyd_softc *sc) 1894{ 1895 uint16_t val; 1896 int error, i; 1897 1898 /* read Tx power calibration tables */ 1899 for (i = 0; i < 7; i++) { 1900 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1901 sc->sc_pwrcal[i * 2] = val >> 8; 1902 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1903 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1904 sc->sc_pwrint[i * 2] = val >> 8; 1905 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1906 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1907 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1908 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1909 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1910 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1911 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1912 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1913 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1914 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1915 } 1916fail: 1917 return (error); 1918} 1919 1920static int 1921zyd_get_macaddr(struct zyd_softc *sc) 1922{ 1923 struct usb_device_request req; 1924 usb_error_t error; 1925 1926 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1927 req.bRequest = ZYD_READFWDATAREQ; 1928 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1929 USETW(req.wIndex, 0); 1930 USETW(req.wLength, IEEE80211_ADDR_LEN); 1931 1932 error = zyd_do_request(sc, &req, sc->sc_bssid); 1933 if (error != 0) { 1934 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1935 usbd_errstr(error)); 1936 } 1937 1938 return (error); 1939} 1940 1941static int 1942zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1943{ 1944 int error; 1945 uint32_t tmp; 1946 1947 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1948 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1949 tmp = addr[5] << 8 | addr[4]; 1950 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1951fail: 1952 return (error); 1953} 1954 1955static int 1956zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1957{ 1958 int error; 1959 uint32_t tmp; 1960 1961 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1962 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1963 tmp = addr[5] << 8 | addr[4]; 1964 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1965fail: 1966 return (error); 1967} 1968 1969static int 1970zyd_switch_radio(struct zyd_softc *sc, int on) 1971{ 1972 struct zyd_rf *rf = &sc->sc_rf; 1973 int error; 1974 1975 error = zyd_lock_phy(sc); 1976 if (error != 0) 1977 goto fail; 1978 error = (*rf->switch_radio)(rf, on); 1979 if (error != 0) 1980 goto fail; 1981 error = zyd_unlock_phy(sc); 1982fail: 1983 return (error); 1984} 1985 1986static int 1987zyd_set_led(struct zyd_softc *sc, int which, int on) 1988{ 1989 int error; 1990 uint32_t tmp; 1991 1992 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1993 tmp &= ~which; 1994 if (on) 1995 tmp |= which; 1996 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1997fail: 1998 return (error); 1999} 2000 2001static void 2002zyd_set_multi(struct zyd_softc *sc) 2003{ 2004 int error; 2005 struct ifnet *ifp = sc->sc_ifp; 2006 struct ieee80211com *ic = ifp->if_l2com; 2007 struct ifmultiaddr *ifma; 2008 uint32_t low, high; 2009 uint8_t v; 2010 2011 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2012 return; 2013 2014 low = 0x00000000; 2015 high = 0x80000000; 2016 2017 if (ic->ic_opmode == IEEE80211_M_MONITOR || 2018 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 2019 low = 0xffffffff; 2020 high = 0xffffffff; 2021 } else { 2022 if_maddr_rlock(ifp); 2023 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2024 if (ifma->ifma_addr->sa_family != AF_LINK) 2025 continue; 2026 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 2027 ifma->ifma_addr))[5] >> 2; 2028 if (v < 32) 2029 low |= 1 << v; 2030 else 2031 high |= 1 << (v - 32); 2032 } 2033 if_maddr_runlock(ifp); 2034 } 2035 2036 /* reprogram multicast global hash table */ 2037 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2038 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2039fail: 2040 if (error != 0) 2041 device_printf(sc->sc_dev, 2042 "could not set multicast hash table\n"); 2043} 2044 2045static void 2046zyd_update_mcast(struct ifnet *ifp) 2047{ 2048 struct zyd_softc *sc = ifp->if_softc; 2049 2050 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2051 return; 2052 2053 ZYD_LOCK(sc); 2054 zyd_set_multi(sc); 2055 ZYD_UNLOCK(sc); 2056} 2057 2058static int 2059zyd_set_rxfilter(struct zyd_softc *sc) 2060{ 2061 struct ifnet *ifp = sc->sc_ifp; 2062 struct ieee80211com *ic = ifp->if_l2com; 2063 uint32_t rxfilter; 2064 2065 switch (ic->ic_opmode) { 2066 case IEEE80211_M_STA: 2067 rxfilter = ZYD_FILTER_BSS; 2068 break; 2069 case IEEE80211_M_IBSS: 2070 case IEEE80211_M_HOSTAP: 2071 rxfilter = ZYD_FILTER_HOSTAP; 2072 break; 2073 case IEEE80211_M_MONITOR: 2074 rxfilter = ZYD_FILTER_MONITOR; 2075 break; 2076 default: 2077 /* should not get there */ 2078 return (EINVAL); 2079 } 2080 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2081} 2082 2083static void 2084zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2085{ 2086 int error; 2087 struct ifnet *ifp = sc->sc_ifp; 2088 struct ieee80211com *ic = ifp->if_l2com; 2089 struct zyd_rf *rf = &sc->sc_rf; 2090 uint32_t tmp; 2091 int chan; 2092 2093 chan = ieee80211_chan2ieee(ic, c); 2094 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2095 /* XXX should NEVER happen */ 2096 device_printf(sc->sc_dev, 2097 "%s: invalid channel %x\n", __func__, chan); 2098 return; 2099 } 2100 2101 error = zyd_lock_phy(sc); 2102 if (error != 0) 2103 goto fail; 2104 2105 error = (*rf->set_channel)(rf, chan); 2106 if (error != 0) 2107 goto fail; 2108 2109 if (rf->update_pwr) { 2110 /* update Tx power */ 2111 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2112 2113 if (sc->sc_macrev == ZYD_ZD1211B) { 2114 zyd_write16_m(sc, ZYD_CR67, 2115 sc->sc_ofdm36_cal[chan - 1]); 2116 zyd_write16_m(sc, ZYD_CR66, 2117 sc->sc_ofdm48_cal[chan - 1]); 2118 zyd_write16_m(sc, ZYD_CR65, 2119 sc->sc_ofdm54_cal[chan - 1]); 2120 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2121 zyd_write16_m(sc, ZYD_CR69, 0x28); 2122 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2123 } 2124 } 2125 if (sc->sc_cckgain) { 2126 /* set CCK baseband gain from EEPROM */ 2127 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2128 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2129 } 2130 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2131 error = (*rf->bandedge6)(rf, c); 2132 if (error != 0) 2133 goto fail; 2134 } 2135 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2136 2137 error = zyd_unlock_phy(sc); 2138 if (error != 0) 2139 goto fail; 2140 2141 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2142 htole16(c->ic_freq); 2143 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2144 htole16(c->ic_flags); 2145fail: 2146 return; 2147} 2148 2149static int 2150zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2151{ 2152 int error; 2153 uint32_t val; 2154 2155 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2156 sc->sc_atim_wnd = val; 2157 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2158 sc->sc_pre_tbtt = val; 2159 sc->sc_bcn_int = bintval; 2160 2161 if (sc->sc_bcn_int <= 5) 2162 sc->sc_bcn_int = 5; 2163 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2164 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2165 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2166 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2167 2168 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2169 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2170 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2171fail: 2172 return (error); 2173} 2174 2175static void 2176zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2177{ 2178 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2179 struct ifnet *ifp = sc->sc_ifp; 2180 struct ieee80211com *ic = ifp->if_l2com; 2181 struct zyd_plcphdr plcp; 2182 struct zyd_rx_stat stat; 2183 struct usb_page_cache *pc; 2184 struct mbuf *m; 2185 int rlen, rssi; 2186 2187 if (len < ZYD_MIN_FRAGSZ) { 2188 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2189 device_get_nameunit(sc->sc_dev), len); 2190 ifp->if_ierrors++; 2191 return; 2192 } 2193 pc = usbd_xfer_get_frame(xfer, 0); 2194 usbd_copy_out(pc, offset, &plcp, sizeof(plcp)); 2195 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat)); 2196 2197 if (stat.flags & ZYD_RX_ERROR) { 2198 DPRINTF(sc, ZYD_DEBUG_RECV, 2199 "%s: RX status indicated error (%x)\n", 2200 device_get_nameunit(sc->sc_dev), stat.flags); 2201 ifp->if_ierrors++; 2202 return; 2203 } 2204 2205 /* compute actual frame length */ 2206 rlen = len - sizeof(struct zyd_plcphdr) - 2207 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2208 2209 /* allocate a mbuf to store the frame */ 2210 if (rlen > (int)MCLBYTES) { 2211 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2212 device_get_nameunit(sc->sc_dev), rlen); 2213 ifp->if_ierrors++; 2214 return; 2215 } else if (rlen > (int)MHLEN) 2216 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 2217 else 2218 m = m_gethdr(M_NOWAIT, MT_DATA); 2219 if (m == NULL) { 2220 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2221 device_get_nameunit(sc->sc_dev)); 2222 ifp->if_ierrors++; 2223 return; 2224 } 2225 m->m_pkthdr.rcvif = ifp; 2226 m->m_pkthdr.len = m->m_len = rlen; 2227 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen); 2228 2229 if (ieee80211_radiotap_active(ic)) { 2230 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2231 2232 tap->wr_flags = 0; 2233 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2234 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2235 /* XXX toss, no way to express errors */ 2236 if (stat.flags & ZYD_RX_DECRYPTERR) 2237 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2238 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2239 (stat.flags & ZYD_RX_OFDM) ? 2240 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2241 tap->wr_antsignal = stat.rssi + -95; 2242 tap->wr_antnoise = -95; /* XXX */ 2243 } 2244 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2245 2246 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2247 sc->sc_rx_data[sc->sc_rx_count].m = m; 2248 sc->sc_rx_count++; 2249} 2250 2251static void 2252zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 2253{ 2254 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2255 struct ifnet *ifp = sc->sc_ifp; 2256 struct ieee80211com *ic = ifp->if_l2com; 2257 struct ieee80211_node *ni; 2258 struct zyd_rx_desc desc; 2259 struct mbuf *m; 2260 struct usb_page_cache *pc; 2261 uint32_t offset; 2262 uint8_t rssi; 2263 int8_t nf; 2264 int i; 2265 int actlen; 2266 2267 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2268 2269 sc->sc_rx_count = 0; 2270 switch (USB_GET_STATE(xfer)) { 2271 case USB_ST_TRANSFERRED: 2272 pc = usbd_xfer_get_frame(xfer, 0); 2273 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc)); 2274 2275 offset = 0; 2276 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2277 DPRINTF(sc, ZYD_DEBUG_RECV, 2278 "%s: received multi-frame transfer\n", __func__); 2279 2280 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2281 uint16_t len16 = UGETW(desc.len[i]); 2282 2283 if (len16 == 0 || len16 > actlen) 2284 break; 2285 2286 zyd_rx_data(xfer, offset, len16); 2287 2288 /* next frame is aligned on a 32-bit boundary */ 2289 len16 = (len16 + 3) & ~3; 2290 offset += len16; 2291 if (len16 > actlen) 2292 break; 2293 actlen -= len16; 2294 } 2295 } else { 2296 DPRINTF(sc, ZYD_DEBUG_RECV, 2297 "%s: received single-frame transfer\n", __func__); 2298 2299 zyd_rx_data(xfer, 0, actlen); 2300 } 2301 /* FALLTHROUGH */ 2302 case USB_ST_SETUP: 2303tr_setup: 2304 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2305 usbd_transfer_submit(xfer); 2306 2307 /* 2308 * At the end of a USB callback it is always safe to unlock 2309 * the private mutex of a device! That is why we do the 2310 * "ieee80211_input" here, and not some lines up! 2311 */ 2312 ZYD_UNLOCK(sc); 2313 for (i = 0; i < sc->sc_rx_count; i++) { 2314 rssi = sc->sc_rx_data[i].rssi; 2315 m = sc->sc_rx_data[i].m; 2316 sc->sc_rx_data[i].m = NULL; 2317 2318 nf = -95; /* XXX */ 2319 2320 ni = ieee80211_find_rxnode(ic, 2321 mtod(m, struct ieee80211_frame_min *)); 2322 if (ni != NULL) { 2323 (void)ieee80211_input(ni, m, rssi, nf); 2324 ieee80211_free_node(ni); 2325 } else 2326 (void)ieee80211_input_all(ic, m, rssi, nf); 2327 } 2328 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2329 !IFQ_IS_EMPTY(&ifp->if_snd)) 2330 zyd_start(ifp); 2331 ZYD_LOCK(sc); 2332 break; 2333 2334 default: /* Error */ 2335 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error)); 2336 2337 if (error != USB_ERR_CANCELLED) { 2338 /* try to clear stall first */ 2339 usbd_xfer_set_stall(xfer); 2340 goto tr_setup; 2341 } 2342 break; 2343 } 2344} 2345 2346static uint8_t 2347zyd_plcp_signal(struct zyd_softc *sc, int rate) 2348{ 2349 switch (rate) { 2350 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2351 case 12: 2352 return (0xb); 2353 case 18: 2354 return (0xf); 2355 case 24: 2356 return (0xa); 2357 case 36: 2358 return (0xe); 2359 case 48: 2360 return (0x9); 2361 case 72: 2362 return (0xd); 2363 case 96: 2364 return (0x8); 2365 case 108: 2366 return (0xc); 2367 /* CCK rates (NB: not IEEE std, device-specific) */ 2368 case 2: 2369 return (0x0); 2370 case 4: 2371 return (0x1); 2372 case 11: 2373 return (0x2); 2374 case 22: 2375 return (0x3); 2376 } 2377 2378 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2379 return (0x0); 2380} 2381 2382static void 2383zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 2384{ 2385 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2386 struct ifnet *ifp = sc->sc_ifp; 2387 struct ieee80211vap *vap; 2388 struct zyd_tx_data *data; 2389 struct mbuf *m; 2390 struct usb_page_cache *pc; 2391 int actlen; 2392 2393 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2394 2395 switch (USB_GET_STATE(xfer)) { 2396 case USB_ST_TRANSFERRED: 2397 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2398 actlen); 2399 2400 /* free resources */ 2401 data = usbd_xfer_get_priv(xfer); 2402 zyd_tx_free(data, 0); 2403 usbd_xfer_set_priv(xfer, NULL); 2404 2405 ifp->if_opackets++; 2406 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2407 2408 /* FALLTHROUGH */ 2409 case USB_ST_SETUP: 2410tr_setup: 2411 data = STAILQ_FIRST(&sc->tx_q); 2412 if (data) { 2413 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2414 m = data->m; 2415 2416 if (m->m_pkthdr.len > (int)ZYD_MAX_TXBUFSZ) { 2417 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2418 m->m_pkthdr.len); 2419 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2420 } 2421 pc = usbd_xfer_get_frame(xfer, 0); 2422 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE); 2423 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0, 2424 m->m_pkthdr.len); 2425 2426 vap = data->ni->ni_vap; 2427 if (ieee80211_radiotap_active_vap(vap)) { 2428 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2429 2430 tap->wt_flags = 0; 2431 tap->wt_rate = data->rate; 2432 2433 ieee80211_radiotap_tx(vap, m); 2434 } 2435 2436 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len); 2437 usbd_xfer_set_priv(xfer, data); 2438 usbd_transfer_submit(xfer); 2439 } 2440 ZYD_UNLOCK(sc); 2441 zyd_start(ifp); 2442 ZYD_LOCK(sc); 2443 break; 2444 2445 default: /* Error */ 2446 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2447 usbd_errstr(error)); 2448 2449 ifp->if_oerrors++; 2450 data = usbd_xfer_get_priv(xfer); 2451 usbd_xfer_set_priv(xfer, NULL); 2452 if (data != NULL) 2453 zyd_tx_free(data, error); 2454 2455 if (error != USB_ERR_CANCELLED) { 2456 if (error == USB_ERR_TIMEOUT) 2457 device_printf(sc->sc_dev, "device timeout\n"); 2458 2459 /* 2460 * Try to clear stall first, also if other 2461 * errors occur, hence clearing stall 2462 * introduces a 50 ms delay: 2463 */ 2464 usbd_xfer_set_stall(xfer); 2465 goto tr_setup; 2466 } 2467 break; 2468 } 2469} 2470 2471static int 2472zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2473{ 2474 struct ieee80211vap *vap = ni->ni_vap; 2475 struct ieee80211com *ic = ni->ni_ic; 2476 struct zyd_tx_desc *desc; 2477 struct zyd_tx_data *data; 2478 struct ieee80211_frame *wh; 2479 const struct ieee80211_txparam *tp; 2480 struct ieee80211_key *k; 2481 int rate, totlen; 2482 static const uint8_t ratediv[] = ZYD_TX_RATEDIV; 2483 uint8_t phy; 2484 uint16_t pktlen; 2485 uint32_t bits; 2486 2487 wh = mtod(m0, struct ieee80211_frame *); 2488 data = STAILQ_FIRST(&sc->tx_free); 2489 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2490 sc->tx_nfree--; 2491 2492 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2493 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2494 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2495 rate = tp->mgmtrate; 2496 } else { 2497 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2498 /* for data frames */ 2499 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2500 rate = tp->mcastrate; 2501 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2502 rate = tp->ucastrate; 2503 else { 2504 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2505 rate = ni->ni_txrate; 2506 } 2507 } 2508 2509 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2510 k = ieee80211_crypto_encap(ni, m0); 2511 if (k == NULL) { 2512 m_freem(m0); 2513 return (ENOBUFS); 2514 } 2515 /* packet header may have moved, reset our local pointer */ 2516 wh = mtod(m0, struct ieee80211_frame *); 2517 } 2518 2519 data->ni = ni; 2520 data->m = m0; 2521 data->rate = rate; 2522 2523 /* fill Tx descriptor */ 2524 desc = &data->desc; 2525 phy = zyd_plcp_signal(sc, rate); 2526 desc->phy = phy; 2527 if (ZYD_RATE_IS_OFDM(rate)) { 2528 desc->phy |= ZYD_TX_PHY_OFDM; 2529 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2530 desc->phy |= ZYD_TX_PHY_5GHZ; 2531 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2532 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2533 2534 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2535 desc->len = htole16(totlen); 2536 2537 desc->flags = ZYD_TX_FLAG_BACKOFF; 2538 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2539 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2540 if (totlen > vap->iv_rtsthreshold) { 2541 desc->flags |= ZYD_TX_FLAG_RTS; 2542 } else if (ZYD_RATE_IS_OFDM(rate) && 2543 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2544 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2545 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2546 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2547 desc->flags |= ZYD_TX_FLAG_RTS; 2548 } 2549 } else 2550 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2551 if ((wh->i_fc[0] & 2552 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2553 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2554 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2555 2556 /* actual transmit length (XXX why +10?) */ 2557 pktlen = ZYD_TX_DESC_SIZE + 10; 2558 if (sc->sc_macrev == ZYD_ZD1211) 2559 pktlen += totlen; 2560 desc->pktlen = htole16(pktlen); 2561 2562 bits = (rate == 11) ? (totlen * 16) + 10 : 2563 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2564 desc->plcp_length = htole16(bits / ratediv[phy]); 2565 desc->plcp_service = 0; 2566 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2567 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2568 desc->nextlen = 0; 2569 2570 if (ieee80211_radiotap_active_vap(vap)) { 2571 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2572 2573 tap->wt_flags = 0; 2574 tap->wt_rate = rate; 2575 2576 ieee80211_radiotap_tx(vap, m0); 2577 } 2578 2579 DPRINTF(sc, ZYD_DEBUG_XMIT, 2580 "%s: sending data frame len=%zu rate=%u\n", 2581 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2582 rate); 2583 2584 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2585 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2586 2587 return (0); 2588} 2589 2590static void 2591zyd_start(struct ifnet *ifp) 2592{ 2593 struct zyd_softc *sc = ifp->if_softc; 2594 struct ieee80211_node *ni; 2595 struct mbuf *m; 2596 2597 ZYD_LOCK(sc); 2598 for (;;) { 2599 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2600 if (m == NULL) 2601 break; 2602 if (sc->tx_nfree == 0) { 2603 IFQ_DRV_PREPEND(&ifp->if_snd, m); 2604 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2605 break; 2606 } 2607 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2608 if (zyd_tx_start(sc, m, ni) != 0) { 2609 ieee80211_free_node(ni); 2610 ifp->if_oerrors++; 2611 break; 2612 } 2613 } 2614 ZYD_UNLOCK(sc); 2615} 2616 2617static int 2618zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2619 const struct ieee80211_bpf_params *params) 2620{ 2621 struct ieee80211com *ic = ni->ni_ic; 2622 struct ifnet *ifp = ic->ic_ifp; 2623 struct zyd_softc *sc = ifp->if_softc; 2624 2625 ZYD_LOCK(sc); 2626 /* prevent management frames from being sent if we're not ready */ 2627 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2628 ZYD_UNLOCK(sc); 2629 m_freem(m); 2630 ieee80211_free_node(ni); 2631 return (ENETDOWN); 2632 } 2633 if (sc->tx_nfree == 0) { 2634 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2635 ZYD_UNLOCK(sc); 2636 m_freem(m); 2637 ieee80211_free_node(ni); 2638 return (ENOBUFS); /* XXX */ 2639 } 2640 2641 /* 2642 * Legacy path; interpret frame contents to decide 2643 * precisely how to send the frame. 2644 * XXX raw path 2645 */ 2646 if (zyd_tx_start(sc, m, ni) != 0) { 2647 ZYD_UNLOCK(sc); 2648 ifp->if_oerrors++; 2649 ieee80211_free_node(ni); 2650 return (EIO); 2651 } 2652 ZYD_UNLOCK(sc); 2653 return (0); 2654} 2655 2656static int 2657zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2658{ 2659 struct zyd_softc *sc = ifp->if_softc; 2660 struct ieee80211com *ic = ifp->if_l2com; 2661 struct ifreq *ifr = (struct ifreq *) data; 2662 int error; 2663 int startall = 0; 2664 2665 ZYD_LOCK(sc); 2666 error = (sc->sc_flags & ZYD_FLAG_DETACHED) ? ENXIO : 0; 2667 ZYD_UNLOCK(sc); 2668 if (error) 2669 return (error); 2670 2671 switch (cmd) { 2672 case SIOCSIFFLAGS: 2673 ZYD_LOCK(sc); 2674 if (ifp->if_flags & IFF_UP) { 2675 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2676 zyd_init_locked(sc); 2677 startall = 1; 2678 } else 2679 zyd_set_multi(sc); 2680 } else { 2681 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2682 zyd_stop(sc); 2683 } 2684 ZYD_UNLOCK(sc); 2685 if (startall) 2686 ieee80211_start_all(ic); 2687 break; 2688 case SIOCGIFMEDIA: 2689 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2690 break; 2691 case SIOCGIFADDR: 2692 error = ether_ioctl(ifp, cmd, data); 2693 break; 2694 default: 2695 error = EINVAL; 2696 break; 2697 } 2698 return (error); 2699} 2700 2701static void 2702zyd_init_locked(struct zyd_softc *sc) 2703{ 2704 struct ifnet *ifp = sc->sc_ifp; 2705 struct ieee80211com *ic = ifp->if_l2com; 2706 struct usb_config_descriptor *cd; 2707 int error; 2708 uint32_t val; 2709 2710 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2711 2712 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2713 error = zyd_loadfirmware(sc); 2714 if (error != 0) { 2715 device_printf(sc->sc_dev, 2716 "could not load firmware (error=%d)\n", error); 2717 goto fail; 2718 } 2719 2720 /* reset device */ 2721 cd = usbd_get_config_descriptor(sc->sc_udev); 2722 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx, 2723 cd->bConfigurationValue); 2724 if (error) 2725 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2726 2727 error = zyd_hw_init(sc); 2728 if (error) { 2729 device_printf(sc->sc_dev, 2730 "hardware initialization failed\n"); 2731 goto fail; 2732 } 2733 2734 device_printf(sc->sc_dev, 2735 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2736 "BE%x NP%x Gain%x F%x\n", 2737 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2738 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2739 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2740 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2741 sc->sc_cckgain, sc->sc_fix_cr157); 2742 2743 /* read regulatory domain (currently unused) */ 2744 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2745 sc->sc_regdomain = val >> 16; 2746 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2747 sc->sc_regdomain); 2748 2749 /* we'll do software WEP decryption for now */ 2750 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2751 __func__); 2752 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2753 2754 sc->sc_flags |= ZYD_FLAG_INITONCE; 2755 } 2756 2757 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2758 zyd_stop(sc); 2759 2760 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2761 IF_LLADDR(ifp), ":"); 2762 error = zyd_set_macaddr(sc, IF_LLADDR(ifp)); 2763 if (error != 0) 2764 return; 2765 2766 /* set basic rates */ 2767 if (ic->ic_curmode == IEEE80211_MODE_11B) 2768 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2769 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2770 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2771 else /* assumes 802.11b/g */ 2772 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2773 2774 /* promiscuous mode */ 2775 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2776 /* multicast setup */ 2777 zyd_set_multi(sc); 2778 /* set RX filter */ 2779 error = zyd_set_rxfilter(sc); 2780 if (error != 0) 2781 goto fail; 2782 2783 /* switch radio transmitter ON */ 2784 error = zyd_switch_radio(sc, 1); 2785 if (error != 0) 2786 goto fail; 2787 /* set default BSS channel */ 2788 zyd_set_chan(sc, ic->ic_curchan); 2789 2790 /* 2791 * Allocate Tx and Rx xfer queues. 2792 */ 2793 zyd_setup_tx_list(sc); 2794 2795 /* enable interrupts */ 2796 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2797 2798 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2799 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2800 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2801 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2802 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2803 2804 return; 2805 2806fail: zyd_stop(sc); 2807 return; 2808} 2809 2810static void 2811zyd_init(void *priv) 2812{ 2813 struct zyd_softc *sc = priv; 2814 struct ifnet *ifp = sc->sc_ifp; 2815 struct ieee80211com *ic = ifp->if_l2com; 2816 2817 ZYD_LOCK(sc); 2818 zyd_init_locked(sc); 2819 ZYD_UNLOCK(sc); 2820 2821 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2822 ieee80211_start_all(ic); /* start all vap's */ 2823} 2824 2825static void 2826zyd_stop(struct zyd_softc *sc) 2827{ 2828 struct ifnet *ifp = sc->sc_ifp; 2829 int error; 2830 2831 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2832 2833 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2834 2835 /* 2836 * Drain all the transfers, if not already drained: 2837 */ 2838 ZYD_UNLOCK(sc); 2839 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2840 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2841 ZYD_LOCK(sc); 2842 2843 zyd_unsetup_tx_list(sc); 2844 2845 /* Stop now if the device was never set up */ 2846 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2847 return; 2848 2849 /* switch radio transmitter OFF */ 2850 error = zyd_switch_radio(sc, 0); 2851 if (error != 0) 2852 goto fail; 2853 /* disable Rx */ 2854 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2855 /* disable interrupts */ 2856 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2857 2858fail: 2859 return; 2860} 2861 2862static int 2863zyd_loadfirmware(struct zyd_softc *sc) 2864{ 2865 struct usb_device_request req; 2866 size_t size; 2867 u_char *fw; 2868 uint8_t stat; 2869 uint16_t addr; 2870 2871 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2872 return (0); 2873 2874 if (sc->sc_macrev == ZYD_ZD1211) { 2875 fw = (u_char *)zd1211_firmware; 2876 size = sizeof(zd1211_firmware); 2877 } else { 2878 fw = (u_char *)zd1211b_firmware; 2879 size = sizeof(zd1211b_firmware); 2880 } 2881 2882 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2883 req.bRequest = ZYD_DOWNLOADREQ; 2884 USETW(req.wIndex, 0); 2885 2886 addr = ZYD_FIRMWARE_START_ADDR; 2887 while (size > 0) { 2888 /* 2889 * When the transfer size is 4096 bytes, it is not 2890 * likely to be able to transfer it. 2891 * The cause is port or machine or chip? 2892 */ 2893 const int mlen = min(size, 64); 2894 2895 DPRINTF(sc, ZYD_DEBUG_FW, 2896 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2897 2898 USETW(req.wValue, addr); 2899 USETW(req.wLength, mlen); 2900 if (zyd_do_request(sc, &req, fw) != 0) 2901 return (EIO); 2902 2903 addr += mlen / 2; 2904 fw += mlen; 2905 size -= mlen; 2906 } 2907 2908 /* check whether the upload succeeded */ 2909 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2910 req.bRequest = ZYD_DOWNLOADSTS; 2911 USETW(req.wValue, 0); 2912 USETW(req.wIndex, 0); 2913 USETW(req.wLength, sizeof(stat)); 2914 if (zyd_do_request(sc, &req, &stat) != 0) 2915 return (EIO); 2916 2917 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2918 2919 return (stat & 0x80) ? (EIO) : (0); 2920} 2921 2922static void 2923zyd_scan_start(struct ieee80211com *ic) 2924{ 2925 struct ifnet *ifp = ic->ic_ifp; 2926 struct zyd_softc *sc = ifp->if_softc; 2927 2928 ZYD_LOCK(sc); 2929 /* want broadcast address while scanning */ 2930 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2931 ZYD_UNLOCK(sc); 2932} 2933 2934static void 2935zyd_scan_end(struct ieee80211com *ic) 2936{ 2937 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2938 2939 ZYD_LOCK(sc); 2940 /* restore previous bssid */ 2941 zyd_set_bssid(sc, sc->sc_bssid); 2942 ZYD_UNLOCK(sc); 2943} 2944 2945static void 2946zyd_set_channel(struct ieee80211com *ic) 2947{ 2948 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2949 2950 ZYD_LOCK(sc); 2951 zyd_set_chan(sc, ic->ic_curchan); 2952 ZYD_UNLOCK(sc); 2953} 2954 2955static device_method_t zyd_methods[] = { 2956 /* Device interface */ 2957 DEVMETHOD(device_probe, zyd_match), 2958 DEVMETHOD(device_attach, zyd_attach), 2959 DEVMETHOD(device_detach, zyd_detach), 2960 DEVMETHOD_END 2961}; 2962 2963static driver_t zyd_driver = { 2964 .name = "zyd", 2965 .methods = zyd_methods, 2966 .size = sizeof(struct zyd_softc) 2967}; 2968 2969static devclass_t zyd_devclass; 2970 2971DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2972MODULE_DEPEND(zyd, usb, 1, 1, 1); 2973MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2974MODULE_VERSION(zyd, 1); 2975