if_zyd.c revision 257176
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 257176 2013-10-26 17:58:36Z 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 257176 2013-10-26 17:58:36Z 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_RW, &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 ifnet *); 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_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 392 ic->ic_opmode = IEEE80211_M_STA; 393 394 /* set device capabilities */ 395 ic->ic_caps = 396 IEEE80211_C_STA /* station mode */ 397 | IEEE80211_C_MONITOR /* monitor mode */ 398 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 399 | IEEE80211_C_SHSLOT /* short slot time supported */ 400 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 401 | IEEE80211_C_WPA /* 802.11i */ 402 ; 403 404 bands = 0; 405 setbit(&bands, IEEE80211_MODE_11B); 406 setbit(&bands, IEEE80211_MODE_11G); 407 ieee80211_init_channels(ic, NULL, &bands); 408 409 ieee80211_ifattach(ic, sc->sc_bssid); 410 ic->ic_raw_xmit = zyd_raw_xmit; 411 ic->ic_scan_start = zyd_scan_start; 412 ic->ic_scan_end = zyd_scan_end; 413 ic->ic_set_channel = zyd_set_channel; 414 415 ic->ic_vap_create = zyd_vap_create; 416 ic->ic_vap_delete = zyd_vap_delete; 417 ic->ic_update_mcast = zyd_update_mcast; 418 ic->ic_update_promisc = zyd_update_mcast; 419 420 ieee80211_radiotap_attach(ic, 421 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 422 ZYD_TX_RADIOTAP_PRESENT, 423 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 424 ZYD_RX_RADIOTAP_PRESENT); 425 426 if (bootverbose) 427 ieee80211_announce(ic); 428 429 return (0); 430 431detach: 432 zyd_detach(dev); 433 return (ENXIO); /* failure */ 434} 435 436static int 437zyd_detach(device_t dev) 438{ 439 struct zyd_softc *sc = device_get_softc(dev); 440 struct ifnet *ifp = sc->sc_ifp; 441 struct ieee80211com *ic; 442 unsigned int x; 443 444 /* 445 * Prevent further allocations from RX/TX data 446 * lists and ioctls: 447 */ 448 ZYD_LOCK(sc); 449 sc->sc_flags |= ZYD_FLAG_DETACHED; 450 STAILQ_INIT(&sc->tx_q); 451 STAILQ_INIT(&sc->tx_free); 452 ZYD_UNLOCK(sc); 453 454 /* drain USB transfers */ 455 for (x = 0; x != ZYD_N_TRANSFER; x++) 456 usbd_transfer_drain(sc->sc_xfer[x]); 457 458 /* free TX list, if any */ 459 ZYD_LOCK(sc); 460 zyd_unsetup_tx_list(sc); 461 ZYD_UNLOCK(sc); 462 463 /* free USB transfers and some data buffers */ 464 usbd_transfer_unsetup(sc->sc_xfer, ZYD_N_TRANSFER); 465 466 if (ifp) { 467 ic = ifp->if_l2com; 468 ieee80211_ifdetach(ic); 469 if_free(ifp); 470 } 471 mtx_destroy(&sc->sc_mtx); 472 473 return (0); 474} 475 476static struct ieee80211vap * 477zyd_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 478 enum ieee80211_opmode opmode, int flags, 479 const uint8_t bssid[IEEE80211_ADDR_LEN], 480 const uint8_t mac[IEEE80211_ADDR_LEN]) 481{ 482 struct zyd_vap *zvp; 483 struct ieee80211vap *vap; 484 485 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 486 return (NULL); 487 zvp = (struct zyd_vap *) malloc(sizeof(struct zyd_vap), 488 M_80211_VAP, M_NOWAIT | M_ZERO); 489 if (zvp == NULL) 490 return (NULL); 491 vap = &zvp->vap; 492 /* enable s/w bmiss handling for sta mode */ 493 ieee80211_vap_setup(ic, vap, name, unit, opmode, 494 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 495 496 /* override state transition machine */ 497 zvp->newstate = vap->iv_newstate; 498 vap->iv_newstate = zyd_newstate; 499 500 ieee80211_ratectl_init(vap); 501 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 502 503 /* complete setup */ 504 ieee80211_vap_attach(vap, ieee80211_media_change, 505 ieee80211_media_status); 506 ic->ic_opmode = opmode; 507 return (vap); 508} 509 510static void 511zyd_vap_delete(struct ieee80211vap *vap) 512{ 513 struct zyd_vap *zvp = ZYD_VAP(vap); 514 515 ieee80211_ratectl_deinit(vap); 516 ieee80211_vap_detach(vap); 517 free(zvp, M_80211_VAP); 518} 519 520static void 521zyd_tx_free(struct zyd_tx_data *data, int txerr) 522{ 523 struct zyd_softc *sc = data->sc; 524 525 if (data->m != NULL) { 526 if (data->m->m_flags & M_TXCB) 527 ieee80211_process_callback(data->ni, data->m, 528 txerr ? ETIMEDOUT : 0); 529 m_freem(data->m); 530 data->m = NULL; 531 532 ieee80211_free_node(data->ni); 533 data->ni = NULL; 534 } 535 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 536 sc->tx_nfree++; 537} 538 539static void 540zyd_setup_tx_list(struct zyd_softc *sc) 541{ 542 struct zyd_tx_data *data; 543 int i; 544 545 sc->tx_nfree = 0; 546 STAILQ_INIT(&sc->tx_q); 547 STAILQ_INIT(&sc->tx_free); 548 549 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 550 data = &sc->tx_data[i]; 551 552 data->sc = sc; 553 STAILQ_INSERT_TAIL(&sc->tx_free, data, next); 554 sc->tx_nfree++; 555 } 556} 557 558static void 559zyd_unsetup_tx_list(struct zyd_softc *sc) 560{ 561 struct zyd_tx_data *data; 562 int i; 563 564 /* make sure any subsequent use of the queues will fail */ 565 sc->tx_nfree = 0; 566 STAILQ_INIT(&sc->tx_q); 567 STAILQ_INIT(&sc->tx_free); 568 569 /* free up all node references and mbufs */ 570 for (i = 0; i < ZYD_TX_LIST_CNT; i++) { 571 data = &sc->tx_data[i]; 572 573 if (data->m != NULL) { 574 m_freem(data->m); 575 data->m = NULL; 576 } 577 if (data->ni != NULL) { 578 ieee80211_free_node(data->ni); 579 data->ni = NULL; 580 } 581 } 582} 583 584static int 585zyd_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 586{ 587 struct zyd_vap *zvp = ZYD_VAP(vap); 588 struct ieee80211com *ic = vap->iv_ic; 589 struct zyd_softc *sc = ic->ic_ifp->if_softc; 590 int error; 591 592 DPRINTF(sc, ZYD_DEBUG_STATE, "%s: %s -> %s\n", __func__, 593 ieee80211_state_name[vap->iv_state], 594 ieee80211_state_name[nstate]); 595 596 IEEE80211_UNLOCK(ic); 597 ZYD_LOCK(sc); 598 switch (nstate) { 599 case IEEE80211_S_AUTH: 600 zyd_set_chan(sc, ic->ic_curchan); 601 break; 602 case IEEE80211_S_RUN: 603 if (vap->iv_opmode == IEEE80211_M_MONITOR) 604 break; 605 606 /* turn link LED on */ 607 error = zyd_set_led(sc, ZYD_LED1, 1); 608 if (error != 0) 609 break; 610 611 /* make data LED blink upon Tx */ 612 zyd_write32_m(sc, sc->sc_fwbase + ZYD_FW_LINK_STATUS, 1); 613 614 IEEE80211_ADDR_COPY(sc->sc_bssid, vap->iv_bss->ni_bssid); 615 zyd_set_bssid(sc, sc->sc_bssid); 616 break; 617 default: 618 break; 619 } 620fail: 621 ZYD_UNLOCK(sc); 622 IEEE80211_LOCK(ic); 623 return (zvp->newstate(vap, nstate, arg)); 624} 625 626/* 627 * Callback handler for interrupt transfer 628 */ 629static void 630zyd_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) 631{ 632 struct zyd_softc *sc = usbd_xfer_softc(xfer); 633 struct ifnet *ifp = sc->sc_ifp; 634 struct ieee80211com *ic = ifp->if_l2com; 635 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 636 struct ieee80211_node *ni; 637 struct zyd_cmd *cmd = &sc->sc_ibuf; 638 struct usb_page_cache *pc; 639 int datalen; 640 int actlen; 641 642 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 643 644 switch (USB_GET_STATE(xfer)) { 645 case USB_ST_TRANSFERRED: 646 pc = usbd_xfer_get_frame(xfer, 0); 647 usbd_copy_out(pc, 0, cmd, sizeof(*cmd)); 648 649 switch (le16toh(cmd->code)) { 650 case ZYD_NOTIF_RETRYSTATUS: 651 { 652 struct zyd_notif_retry *retry = 653 (struct zyd_notif_retry *)cmd->data; 654 655 DPRINTF(sc, ZYD_DEBUG_TX_PROC, 656 "retry intr: rate=0x%x addr=%s count=%d (0x%x)\n", 657 le16toh(retry->rate), ether_sprintf(retry->macaddr), 658 le16toh(retry->count)&0xff, le16toh(retry->count)); 659 660 /* 661 * Find the node to which the packet was sent and 662 * update its retry statistics. In BSS mode, this node 663 * is the AP we're associated to so no lookup is 664 * actually needed. 665 */ 666 ni = ieee80211_find_txnode(vap, retry->macaddr); 667 if (ni != NULL) { 668 int retrycnt = 669 (int)(le16toh(retry->count) & 0xff); 670 671 ieee80211_ratectl_tx_complete(vap, ni, 672 IEEE80211_RATECTL_TX_FAILURE, 673 &retrycnt, NULL); 674 ieee80211_free_node(ni); 675 } 676 if (le16toh(retry->count) & 0x100) 677 ifp->if_oerrors++; /* too many retries */ 678 break; 679 } 680 case ZYD_NOTIF_IORD: 681 { 682 struct zyd_rq *rqp; 683 684 if (le16toh(*(uint16_t *)cmd->data) == ZYD_CR_INTERRUPT) 685 break; /* HMAC interrupt */ 686 687 datalen = actlen - sizeof(cmd->code); 688 datalen -= 2; /* XXX: padding? */ 689 690 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 691 int i; 692 int count; 693 694 if (rqp->olen != datalen) 695 continue; 696 count = rqp->olen / sizeof(struct zyd_pair); 697 for (i = 0; i < count; i++) { 698 if (*(((const uint16_t *)rqp->idata) + i) != 699 (((struct zyd_pair *)cmd->data) + i)->reg) 700 break; 701 } 702 if (i != count) 703 continue; 704 /* copy answer into caller-supplied buffer */ 705 memcpy(rqp->odata, cmd->data, rqp->olen); 706 DPRINTF(sc, ZYD_DEBUG_CMD, 707 "command %p complete, data = %*D \n", 708 rqp, rqp->olen, (char *)rqp->odata, ":"); 709 wakeup(rqp); /* wakeup caller */ 710 break; 711 } 712 if (rqp == NULL) { 713 device_printf(sc->sc_dev, 714 "unexpected IORD notification %*D\n", 715 datalen, cmd->data, ":"); 716 } 717 break; 718 } 719 default: 720 device_printf(sc->sc_dev, "unknown notification %x\n", 721 le16toh(cmd->code)); 722 } 723 724 /* FALLTHROUGH */ 725 case USB_ST_SETUP: 726tr_setup: 727 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 728 usbd_transfer_submit(xfer); 729 break; 730 731 default: /* Error */ 732 DPRINTF(sc, ZYD_DEBUG_CMD, "error = %s\n", 733 usbd_errstr(error)); 734 735 if (error != USB_ERR_CANCELLED) { 736 /* try to clear stall first */ 737 usbd_xfer_set_stall(xfer); 738 goto tr_setup; 739 } 740 break; 741 } 742} 743 744static void 745zyd_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) 746{ 747 struct zyd_softc *sc = usbd_xfer_softc(xfer); 748 struct zyd_rq *rqp, *cmd; 749 struct usb_page_cache *pc; 750 751 switch (USB_GET_STATE(xfer)) { 752 case USB_ST_TRANSFERRED: 753 cmd = usbd_xfer_get_priv(xfer); 754 DPRINTF(sc, ZYD_DEBUG_CMD, "command %p transferred\n", cmd); 755 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 756 /* Ensure the cached rq pointer is still valid */ 757 if (rqp == cmd && 758 (rqp->flags & ZYD_CMD_FLAG_READ) == 0) 759 wakeup(rqp); /* wakeup caller */ 760 } 761 762 /* FALLTHROUGH */ 763 case USB_ST_SETUP: 764tr_setup: 765 STAILQ_FOREACH(rqp, &sc->sc_rqh, rq) { 766 if (rqp->flags & ZYD_CMD_FLAG_SENT) 767 continue; 768 769 pc = usbd_xfer_get_frame(xfer, 0); 770 usbd_copy_in(pc, 0, rqp->cmd, rqp->ilen); 771 772 usbd_xfer_set_frame_len(xfer, 0, rqp->ilen); 773 usbd_xfer_set_priv(xfer, rqp); 774 rqp->flags |= ZYD_CMD_FLAG_SENT; 775 usbd_transfer_submit(xfer); 776 break; 777 } 778 break; 779 780 default: /* Error */ 781 DPRINTF(sc, ZYD_DEBUG_ANY, "error = %s\n", 782 usbd_errstr(error)); 783 784 if (error != USB_ERR_CANCELLED) { 785 /* try to clear stall first */ 786 usbd_xfer_set_stall(xfer); 787 goto tr_setup; 788 } 789 break; 790 } 791} 792 793static int 794zyd_cmd(struct zyd_softc *sc, uint16_t code, const void *idata, int ilen, 795 void *odata, int olen, int flags) 796{ 797 struct zyd_cmd cmd; 798 struct zyd_rq rq; 799 int error; 800 801 if (ilen > (int)sizeof(cmd.data)) 802 return (EINVAL); 803 804 cmd.code = htole16(code); 805 memcpy(cmd.data, idata, ilen); 806 DPRINTF(sc, ZYD_DEBUG_CMD, "sending cmd %p = %*D\n", 807 &rq, ilen, idata, ":"); 808 809 rq.cmd = &cmd; 810 rq.idata = idata; 811 rq.odata = odata; 812 rq.ilen = sizeof(uint16_t) + ilen; 813 rq.olen = olen; 814 rq.flags = flags; 815 STAILQ_INSERT_TAIL(&sc->sc_rqh, &rq, rq); 816 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 817 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_WR]); 818 819 /* wait at most one second for command reply */ 820 error = mtx_sleep(&rq, &sc->sc_mtx, 0 , "zydcmd", hz); 821 if (error) 822 device_printf(sc->sc_dev, "command timeout\n"); 823 STAILQ_REMOVE(&sc->sc_rqh, &rq, zyd_rq, rq); 824 DPRINTF(sc, ZYD_DEBUG_CMD, "finsihed cmd %p, error = %d \n", 825 &rq, error); 826 827 return (error); 828} 829 830static int 831zyd_read16(struct zyd_softc *sc, uint16_t reg, uint16_t *val) 832{ 833 struct zyd_pair tmp; 834 int error; 835 836 reg = htole16(reg); 837 error = zyd_cmd(sc, ZYD_CMD_IORD, ®, sizeof(reg), &tmp, sizeof(tmp), 838 ZYD_CMD_FLAG_READ); 839 if (error == 0) 840 *val = le16toh(tmp.val); 841 return (error); 842} 843 844static int 845zyd_read32(struct zyd_softc *sc, uint16_t reg, uint32_t *val) 846{ 847 struct zyd_pair tmp[2]; 848 uint16_t regs[2]; 849 int error; 850 851 regs[0] = htole16(ZYD_REG32_HI(reg)); 852 regs[1] = htole16(ZYD_REG32_LO(reg)); 853 error = zyd_cmd(sc, ZYD_CMD_IORD, regs, sizeof(regs), tmp, sizeof(tmp), 854 ZYD_CMD_FLAG_READ); 855 if (error == 0) 856 *val = le16toh(tmp[0].val) << 16 | le16toh(tmp[1].val); 857 return (error); 858} 859 860static int 861zyd_write16(struct zyd_softc *sc, uint16_t reg, uint16_t val) 862{ 863 struct zyd_pair pair; 864 865 pair.reg = htole16(reg); 866 pair.val = htole16(val); 867 868 return zyd_cmd(sc, ZYD_CMD_IOWR, &pair, sizeof(pair), NULL, 0, 0); 869} 870 871static int 872zyd_write32(struct zyd_softc *sc, uint16_t reg, uint32_t val) 873{ 874 struct zyd_pair pair[2]; 875 876 pair[0].reg = htole16(ZYD_REG32_HI(reg)); 877 pair[0].val = htole16(val >> 16); 878 pair[1].reg = htole16(ZYD_REG32_LO(reg)); 879 pair[1].val = htole16(val & 0xffff); 880 881 return zyd_cmd(sc, ZYD_CMD_IOWR, pair, sizeof(pair), NULL, 0, 0); 882} 883 884static int 885zyd_rfwrite(struct zyd_softc *sc, uint32_t val) 886{ 887 struct zyd_rf *rf = &sc->sc_rf; 888 struct zyd_rfwrite_cmd req; 889 uint16_t cr203; 890 int error, i; 891 892 zyd_read16_m(sc, ZYD_CR203, &cr203); 893 cr203 &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); 894 895 req.code = htole16(2); 896 req.width = htole16(rf->width); 897 for (i = 0; i < rf->width; i++) { 898 req.bit[i] = htole16(cr203); 899 if (val & (1 << (rf->width - 1 - i))) 900 req.bit[i] |= htole16(ZYD_RF_DATA); 901 } 902 error = zyd_cmd(sc, ZYD_CMD_RFCFG, &req, 4 + 2 * rf->width, NULL, 0, 0); 903fail: 904 return (error); 905} 906 907static int 908zyd_rfwrite_cr(struct zyd_softc *sc, uint32_t val) 909{ 910 int error; 911 912 zyd_write16_m(sc, ZYD_CR244, (val >> 16) & 0xff); 913 zyd_write16_m(sc, ZYD_CR243, (val >> 8) & 0xff); 914 zyd_write16_m(sc, ZYD_CR242, (val >> 0) & 0xff); 915fail: 916 return (error); 917} 918 919static int 920zyd_lock_phy(struct zyd_softc *sc) 921{ 922 int error; 923 uint32_t tmp; 924 925 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 926 tmp &= ~ZYD_UNLOCK_PHY_REGS; 927 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 928fail: 929 return (error); 930} 931 932static int 933zyd_unlock_phy(struct zyd_softc *sc) 934{ 935 int error; 936 uint32_t tmp; 937 938 zyd_read32_m(sc, ZYD_MAC_MISC, &tmp); 939 tmp |= ZYD_UNLOCK_PHY_REGS; 940 zyd_write32_m(sc, ZYD_MAC_MISC, tmp); 941fail: 942 return (error); 943} 944 945/* 946 * RFMD RF methods. 947 */ 948static int 949zyd_rfmd_init(struct zyd_rf *rf) 950{ 951#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 952 struct zyd_softc *sc = rf->rf_sc; 953 static const struct zyd_phy_pair phyini[] = ZYD_RFMD_PHY; 954 static const uint32_t rfini[] = ZYD_RFMD_RF; 955 int i, error; 956 957 /* init RF-dependent PHY registers */ 958 for (i = 0; i < N(phyini); i++) { 959 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 960 } 961 962 /* init RFMD radio */ 963 for (i = 0; i < N(rfini); i++) { 964 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 965 return (error); 966 } 967fail: 968 return (error); 969#undef N 970} 971 972static int 973zyd_rfmd_switch_radio(struct zyd_rf *rf, int on) 974{ 975 int error; 976 struct zyd_softc *sc = rf->rf_sc; 977 978 zyd_write16_m(sc, ZYD_CR10, on ? 0x89 : 0x15); 979 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x81); 980fail: 981 return (error); 982} 983 984static int 985zyd_rfmd_set_channel(struct zyd_rf *rf, uint8_t chan) 986{ 987 int error; 988 struct zyd_softc *sc = rf->rf_sc; 989 static const struct { 990 uint32_t r1, r2; 991 } rfprog[] = ZYD_RFMD_CHANTABLE; 992 993 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 994 if (error != 0) 995 goto fail; 996 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 997 if (error != 0) 998 goto fail; 999 1000fail: 1001 return (error); 1002} 1003 1004/* 1005 * AL2230 RF methods. 1006 */ 1007static int 1008zyd_al2230_init(struct zyd_rf *rf) 1009{ 1010#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1011 struct zyd_softc *sc = rf->rf_sc; 1012 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY; 1013 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1014 static const struct zyd_phy_pair phypll[] = { 1015 { ZYD_CR251, 0x2f }, { ZYD_CR251, 0x3f }, 1016 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 } 1017 }; 1018 static const uint32_t rfini1[] = ZYD_AL2230_RF_PART1; 1019 static const uint32_t rfini2[] = ZYD_AL2230_RF_PART2; 1020 static const uint32_t rfini3[] = ZYD_AL2230_RF_PART3; 1021 int i, error; 1022 1023 /* init RF-dependent PHY registers */ 1024 for (i = 0; i < N(phyini); i++) 1025 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1026 1027 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1028 for (i = 0; i < N(phy2230s); i++) 1029 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1030 } 1031 1032 /* init AL2230 radio */ 1033 for (i = 0; i < N(rfini1); i++) { 1034 error = zyd_rfwrite(sc, rfini1[i]); 1035 if (error != 0) 1036 goto fail; 1037 } 1038 1039 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1040 error = zyd_rfwrite(sc, 0x000824); 1041 else 1042 error = zyd_rfwrite(sc, 0x0005a4); 1043 if (error != 0) 1044 goto fail; 1045 1046 for (i = 0; i < N(rfini2); i++) { 1047 error = zyd_rfwrite(sc, rfini2[i]); 1048 if (error != 0) 1049 goto fail; 1050 } 1051 1052 for (i = 0; i < N(phypll); i++) 1053 zyd_write16_m(sc, phypll[i].reg, phypll[i].val); 1054 1055 for (i = 0; i < N(rfini3); i++) { 1056 error = zyd_rfwrite(sc, rfini3[i]); 1057 if (error != 0) 1058 goto fail; 1059 } 1060fail: 1061 return (error); 1062#undef N 1063} 1064 1065static int 1066zyd_al2230_fini(struct zyd_rf *rf) 1067{ 1068#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1069 int error, i; 1070 struct zyd_softc *sc = rf->rf_sc; 1071 static const struct zyd_phy_pair phy[] = ZYD_AL2230_PHY_FINI_PART1; 1072 1073 for (i = 0; i < N(phy); i++) 1074 zyd_write16_m(sc, phy[i].reg, phy[i].val); 1075 1076 if (sc->sc_newphy != 0) 1077 zyd_write16_m(sc, ZYD_CR9, 0xe1); 1078 1079 zyd_write16_m(sc, ZYD_CR203, 0x6); 1080fail: 1081 return (error); 1082#undef N 1083} 1084 1085static int 1086zyd_al2230_init_b(struct zyd_rf *rf) 1087{ 1088#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1089 struct zyd_softc *sc = rf->rf_sc; 1090 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1091 static const struct zyd_phy_pair phy2[] = ZYD_AL2230_PHY_PART2; 1092 static const struct zyd_phy_pair phy3[] = ZYD_AL2230_PHY_PART3; 1093 static const struct zyd_phy_pair phy2230s[] = ZYD_AL2230S_PHY_INIT; 1094 static const struct zyd_phy_pair phyini[] = ZYD_AL2230_PHY_B; 1095 static const uint32_t rfini_part1[] = ZYD_AL2230_RF_B_PART1; 1096 static const uint32_t rfini_part2[] = ZYD_AL2230_RF_B_PART2; 1097 static const uint32_t rfini_part3[] = ZYD_AL2230_RF_B_PART3; 1098 static const uint32_t zyd_al2230_chtable[][3] = ZYD_AL2230_CHANTABLE; 1099 int i, error; 1100 1101 for (i = 0; i < N(phy1); i++) 1102 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1103 1104 /* init RF-dependent PHY registers */ 1105 for (i = 0; i < N(phyini); i++) 1106 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1107 1108 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) { 1109 for (i = 0; i < N(phy2230s); i++) 1110 zyd_write16_m(sc, phy2230s[i].reg, phy2230s[i].val); 1111 } 1112 1113 for (i = 0; i < 3; i++) { 1114 error = zyd_rfwrite_cr(sc, zyd_al2230_chtable[0][i]); 1115 if (error != 0) 1116 return (error); 1117 } 1118 1119 for (i = 0; i < N(rfini_part1); i++) { 1120 error = zyd_rfwrite_cr(sc, rfini_part1[i]); 1121 if (error != 0) 1122 return (error); 1123 } 1124 1125 if (sc->sc_rfrev == ZYD_RF_AL2230S || sc->sc_al2230s != 0) 1126 error = zyd_rfwrite(sc, 0x241000); 1127 else 1128 error = zyd_rfwrite(sc, 0x25a000); 1129 if (error != 0) 1130 goto fail; 1131 1132 for (i = 0; i < N(rfini_part2); i++) { 1133 error = zyd_rfwrite_cr(sc, rfini_part2[i]); 1134 if (error != 0) 1135 return (error); 1136 } 1137 1138 for (i = 0; i < N(phy2); i++) 1139 zyd_write16_m(sc, phy2[i].reg, phy2[i].val); 1140 1141 for (i = 0; i < N(rfini_part3); i++) { 1142 error = zyd_rfwrite_cr(sc, rfini_part3[i]); 1143 if (error != 0) 1144 return (error); 1145 } 1146 1147 for (i = 0; i < N(phy3); i++) 1148 zyd_write16_m(sc, phy3[i].reg, phy3[i].val); 1149 1150 error = zyd_al2230_fini(rf); 1151fail: 1152 return (error); 1153#undef N 1154} 1155 1156static int 1157zyd_al2230_switch_radio(struct zyd_rf *rf, int on) 1158{ 1159 struct zyd_softc *sc = rf->rf_sc; 1160 int error, on251 = (sc->sc_macrev == ZYD_ZD1211) ? 0x3f : 0x7f; 1161 1162 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1163 zyd_write16_m(sc, ZYD_CR251, on ? on251 : 0x2f); 1164fail: 1165 return (error); 1166} 1167 1168static int 1169zyd_al2230_set_channel(struct zyd_rf *rf, uint8_t chan) 1170{ 1171#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1172 int error, i; 1173 struct zyd_softc *sc = rf->rf_sc; 1174 static const struct zyd_phy_pair phy1[] = { 1175 { ZYD_CR138, 0x28 }, { ZYD_CR203, 0x06 }, 1176 }; 1177 static const struct { 1178 uint32_t r1, r2, r3; 1179 } rfprog[] = ZYD_AL2230_CHANTABLE; 1180 1181 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1182 if (error != 0) 1183 goto fail; 1184 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1185 if (error != 0) 1186 goto fail; 1187 error = zyd_rfwrite(sc, rfprog[chan - 1].r3); 1188 if (error != 0) 1189 goto fail; 1190 1191 for (i = 0; i < N(phy1); i++) 1192 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1193fail: 1194 return (error); 1195#undef N 1196} 1197 1198static int 1199zyd_al2230_set_channel_b(struct zyd_rf *rf, uint8_t chan) 1200{ 1201#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1202 int error, i; 1203 struct zyd_softc *sc = rf->rf_sc; 1204 static const struct zyd_phy_pair phy1[] = ZYD_AL2230_PHY_PART1; 1205 static const struct { 1206 uint32_t r1, r2, r3; 1207 } rfprog[] = ZYD_AL2230_CHANTABLE_B; 1208 1209 for (i = 0; i < N(phy1); i++) 1210 zyd_write16_m(sc, phy1[i].reg, phy1[i].val); 1211 1212 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r1); 1213 if (error != 0) 1214 goto fail; 1215 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r2); 1216 if (error != 0) 1217 goto fail; 1218 error = zyd_rfwrite_cr(sc, rfprog[chan - 1].r3); 1219 if (error != 0) 1220 goto fail; 1221 error = zyd_al2230_fini(rf); 1222fail: 1223 return (error); 1224#undef N 1225} 1226 1227#define ZYD_AL2230_PHY_BANDEDGE6 \ 1228{ \ 1229 { ZYD_CR128, 0x14 }, { ZYD_CR129, 0x12 }, { ZYD_CR130, 0x10 }, \ 1230 { ZYD_CR47, 0x1e } \ 1231} 1232 1233static int 1234zyd_al2230_bandedge6(struct zyd_rf *rf, struct ieee80211_channel *c) 1235{ 1236#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1237 int error = 0, i; 1238 struct zyd_softc *sc = rf->rf_sc; 1239 struct ifnet *ifp = sc->sc_ifp; 1240 struct ieee80211com *ic = ifp->if_l2com; 1241 struct zyd_phy_pair r[] = ZYD_AL2230_PHY_BANDEDGE6; 1242 int chan = ieee80211_chan2ieee(ic, c); 1243 1244 if (chan == 1 || chan == 11) 1245 r[0].val = 0x12; 1246 1247 for (i = 0; i < N(r); i++) 1248 zyd_write16_m(sc, r[i].reg, r[i].val); 1249fail: 1250 return (error); 1251#undef N 1252} 1253 1254/* 1255 * AL7230B RF methods. 1256 */ 1257static int 1258zyd_al7230B_init(struct zyd_rf *rf) 1259{ 1260#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1261 struct zyd_softc *sc = rf->rf_sc; 1262 static const struct zyd_phy_pair phyini_1[] = ZYD_AL7230B_PHY_1; 1263 static const struct zyd_phy_pair phyini_2[] = ZYD_AL7230B_PHY_2; 1264 static const struct zyd_phy_pair phyini_3[] = ZYD_AL7230B_PHY_3; 1265 static const uint32_t rfini_1[] = ZYD_AL7230B_RF_1; 1266 static const uint32_t rfini_2[] = ZYD_AL7230B_RF_2; 1267 int i, error; 1268 1269 /* for AL7230B, PHY and RF need to be initialized in "phases" */ 1270 1271 /* init RF-dependent PHY registers, part one */ 1272 for (i = 0; i < N(phyini_1); i++) 1273 zyd_write16_m(sc, phyini_1[i].reg, phyini_1[i].val); 1274 1275 /* init AL7230B radio, part one */ 1276 for (i = 0; i < N(rfini_1); i++) { 1277 if ((error = zyd_rfwrite(sc, rfini_1[i])) != 0) 1278 return (error); 1279 } 1280 /* init RF-dependent PHY registers, part two */ 1281 for (i = 0; i < N(phyini_2); i++) 1282 zyd_write16_m(sc, phyini_2[i].reg, phyini_2[i].val); 1283 1284 /* init AL7230B radio, part two */ 1285 for (i = 0; i < N(rfini_2); i++) { 1286 if ((error = zyd_rfwrite(sc, rfini_2[i])) != 0) 1287 return (error); 1288 } 1289 /* init RF-dependent PHY registers, part three */ 1290 for (i = 0; i < N(phyini_3); i++) 1291 zyd_write16_m(sc, phyini_3[i].reg, phyini_3[i].val); 1292fail: 1293 return (error); 1294#undef N 1295} 1296 1297static int 1298zyd_al7230B_switch_radio(struct zyd_rf *rf, int on) 1299{ 1300 int error; 1301 struct zyd_softc *sc = rf->rf_sc; 1302 1303 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1304 zyd_write16_m(sc, ZYD_CR251, on ? 0x3f : 0x2f); 1305fail: 1306 return (error); 1307} 1308 1309static int 1310zyd_al7230B_set_channel(struct zyd_rf *rf, uint8_t chan) 1311{ 1312#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1313 struct zyd_softc *sc = rf->rf_sc; 1314 static const struct { 1315 uint32_t r1, r2; 1316 } rfprog[] = ZYD_AL7230B_CHANTABLE; 1317 static const uint32_t rfsc[] = ZYD_AL7230B_RF_SETCHANNEL; 1318 int i, error; 1319 1320 zyd_write16_m(sc, ZYD_CR240, 0x57); 1321 zyd_write16_m(sc, ZYD_CR251, 0x2f); 1322 1323 for (i = 0; i < N(rfsc); i++) { 1324 if ((error = zyd_rfwrite(sc, rfsc[i])) != 0) 1325 return (error); 1326 } 1327 1328 zyd_write16_m(sc, ZYD_CR128, 0x14); 1329 zyd_write16_m(sc, ZYD_CR129, 0x12); 1330 zyd_write16_m(sc, ZYD_CR130, 0x10); 1331 zyd_write16_m(sc, ZYD_CR38, 0x38); 1332 zyd_write16_m(sc, ZYD_CR136, 0xdf); 1333 1334 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1335 if (error != 0) 1336 goto fail; 1337 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1338 if (error != 0) 1339 goto fail; 1340 error = zyd_rfwrite(sc, 0x3c9000); 1341 if (error != 0) 1342 goto fail; 1343 1344 zyd_write16_m(sc, ZYD_CR251, 0x3f); 1345 zyd_write16_m(sc, ZYD_CR203, 0x06); 1346 zyd_write16_m(sc, ZYD_CR240, 0x08); 1347fail: 1348 return (error); 1349#undef N 1350} 1351 1352/* 1353 * AL2210 RF methods. 1354 */ 1355static int 1356zyd_al2210_init(struct zyd_rf *rf) 1357{ 1358#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1359 struct zyd_softc *sc = rf->rf_sc; 1360 static const struct zyd_phy_pair phyini[] = ZYD_AL2210_PHY; 1361 static const uint32_t rfini[] = ZYD_AL2210_RF; 1362 uint32_t tmp; 1363 int i, error; 1364 1365 zyd_write32_m(sc, ZYD_CR18, 2); 1366 1367 /* init RF-dependent PHY registers */ 1368 for (i = 0; i < N(phyini); i++) 1369 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1370 1371 /* init AL2210 radio */ 1372 for (i = 0; i < N(rfini); i++) { 1373 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1374 return (error); 1375 } 1376 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1377 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1378 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1379 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1380 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1381 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1382 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1383 zyd_write32_m(sc, ZYD_CR18, 3); 1384fail: 1385 return (error); 1386#undef N 1387} 1388 1389static int 1390zyd_al2210_switch_radio(struct zyd_rf *rf, int on) 1391{ 1392 /* vendor driver does nothing for this RF chip */ 1393 1394 return (0); 1395} 1396 1397static int 1398zyd_al2210_set_channel(struct zyd_rf *rf, uint8_t chan) 1399{ 1400 int error; 1401 struct zyd_softc *sc = rf->rf_sc; 1402 static const uint32_t rfprog[] = ZYD_AL2210_CHANTABLE; 1403 uint32_t tmp; 1404 1405 zyd_write32_m(sc, ZYD_CR18, 2); 1406 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1407 zyd_read32_m(sc, ZYD_CR_RADIO_PD, &tmp); 1408 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp & ~1); 1409 zyd_write32_m(sc, ZYD_CR_RADIO_PD, tmp | 1); 1410 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x05); 1411 zyd_write32_m(sc, ZYD_CR_RFCFG, 0x00); 1412 zyd_write16_m(sc, ZYD_CR47, 0x1e); 1413 1414 /* actually set the channel */ 1415 error = zyd_rfwrite(sc, rfprog[chan - 1]); 1416 if (error != 0) 1417 goto fail; 1418 1419 zyd_write32_m(sc, ZYD_CR18, 3); 1420fail: 1421 return (error); 1422} 1423 1424/* 1425 * GCT RF methods. 1426 */ 1427static int 1428zyd_gct_init(struct zyd_rf *rf) 1429{ 1430#define ZYD_GCT_INTR_REG 0x85c1 1431#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1432 struct zyd_softc *sc = rf->rf_sc; 1433 static const struct zyd_phy_pair phyini[] = ZYD_GCT_PHY; 1434 static const uint32_t rfini[] = ZYD_GCT_RF; 1435 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1436 int i, idx = -1, error; 1437 uint16_t data; 1438 1439 /* init RF-dependent PHY registers */ 1440 for (i = 0; i < N(phyini); i++) 1441 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1442 1443 /* init cgt radio */ 1444 for (i = 0; i < N(rfini); i++) { 1445 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1446 return (error); 1447 } 1448 1449 error = zyd_gct_mode(rf); 1450 if (error != 0) 1451 return (error); 1452 1453 for (i = 0; i < (int)(N(vco) - 1); i++) { 1454 error = zyd_gct_set_channel_synth(rf, 1, 0); 1455 if (error != 0) 1456 goto fail; 1457 error = zyd_gct_write(rf, vco[i][0]); 1458 if (error != 0) 1459 goto fail; 1460 zyd_write16_m(sc, ZYD_GCT_INTR_REG, 0xf); 1461 zyd_read16_m(sc, ZYD_GCT_INTR_REG, &data); 1462 if ((data & 0xf) == 0) { 1463 idx = i; 1464 break; 1465 } 1466 } 1467 if (idx == -1) { 1468 error = zyd_gct_set_channel_synth(rf, 1, 1); 1469 if (error != 0) 1470 goto fail; 1471 error = zyd_gct_write(rf, 0x6662); 1472 if (error != 0) 1473 goto fail; 1474 } 1475 1476 rf->idx = idx; 1477 zyd_write16_m(sc, ZYD_CR203, 0x6); 1478fail: 1479 return (error); 1480#undef N 1481#undef ZYD_GCT_INTR_REG 1482} 1483 1484static int 1485zyd_gct_mode(struct zyd_rf *rf) 1486{ 1487#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1488 struct zyd_softc *sc = rf->rf_sc; 1489 static const uint32_t mode[] = { 1490 0x25f98, 0x25f9a, 0x25f94, 0x27fd4 1491 }; 1492 int i, error; 1493 1494 for (i = 0; i < N(mode); i++) { 1495 if ((error = zyd_rfwrite(sc, mode[i])) != 0) 1496 break; 1497 } 1498 return (error); 1499#undef N 1500} 1501 1502static int 1503zyd_gct_set_channel_synth(struct zyd_rf *rf, int chan, int acal) 1504{ 1505 int error, idx = chan - 1; 1506 struct zyd_softc *sc = rf->rf_sc; 1507 static uint32_t acal_synth[] = ZYD_GCT_CHANNEL_ACAL; 1508 static uint32_t std_synth[] = ZYD_GCT_CHANNEL_STD; 1509 static uint32_t div_synth[] = ZYD_GCT_CHANNEL_DIV; 1510 1511 error = zyd_rfwrite(sc, 1512 (acal == 1) ? acal_synth[idx] : std_synth[idx]); 1513 if (error != 0) 1514 return (error); 1515 return zyd_rfwrite(sc, div_synth[idx]); 1516} 1517 1518static int 1519zyd_gct_write(struct zyd_rf *rf, uint16_t value) 1520{ 1521 struct zyd_softc *sc = rf->rf_sc; 1522 1523 return zyd_rfwrite(sc, 0x300000 | 0x40000 | value); 1524} 1525 1526static int 1527zyd_gct_switch_radio(struct zyd_rf *rf, int on) 1528{ 1529 int error; 1530 struct zyd_softc *sc = rf->rf_sc; 1531 1532 error = zyd_rfwrite(sc, on ? 0x25f94 : 0x25f90); 1533 if (error != 0) 1534 return (error); 1535 1536 zyd_write16_m(sc, ZYD_CR11, on ? 0x00 : 0x04); 1537 zyd_write16_m(sc, ZYD_CR251, 1538 on ? ((sc->sc_macrev == ZYD_ZD1211B) ? 0x7f : 0x3f) : 0x2f); 1539fail: 1540 return (error); 1541} 1542 1543static int 1544zyd_gct_set_channel(struct zyd_rf *rf, uint8_t chan) 1545{ 1546#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1547 int error, i; 1548 struct zyd_softc *sc = rf->rf_sc; 1549 static const struct zyd_phy_pair cmd[] = { 1550 { ZYD_CR80, 0x30 }, { ZYD_CR81, 0x30 }, { ZYD_CR79, 0x58 }, 1551 { ZYD_CR12, 0xf0 }, { ZYD_CR77, 0x1b }, { ZYD_CR78, 0x58 }, 1552 }; 1553 static const uint16_t vco[11][7] = ZYD_GCT_VCO; 1554 1555 error = zyd_gct_set_channel_synth(rf, chan, 0); 1556 if (error != 0) 1557 goto fail; 1558 error = zyd_gct_write(rf, (rf->idx == -1) ? 0x6662 : 1559 vco[rf->idx][((chan - 1) / 2)]); 1560 if (error != 0) 1561 goto fail; 1562 error = zyd_gct_mode(rf); 1563 if (error != 0) 1564 return (error); 1565 for (i = 0; i < N(cmd); i++) 1566 zyd_write16_m(sc, cmd[i].reg, cmd[i].val); 1567 error = zyd_gct_txgain(rf, chan); 1568 if (error != 0) 1569 return (error); 1570 zyd_write16_m(sc, ZYD_CR203, 0x6); 1571fail: 1572 return (error); 1573#undef N 1574} 1575 1576static int 1577zyd_gct_txgain(struct zyd_rf *rf, uint8_t chan) 1578{ 1579#define N(a) (sizeof(a) / sizeof((a)[0])) 1580 struct zyd_softc *sc = rf->rf_sc; 1581 static uint32_t txgain[] = ZYD_GCT_TXGAIN; 1582 uint8_t idx = sc->sc_pwrint[chan - 1]; 1583 1584 if (idx >= N(txgain)) { 1585 device_printf(sc->sc_dev, "could not set TX gain (%d %#x)\n", 1586 chan, idx); 1587 return 0; 1588 } 1589 1590 return zyd_rfwrite(sc, 0x700000 | txgain[idx]); 1591#undef N 1592} 1593 1594/* 1595 * Maxim2 RF methods. 1596 */ 1597static int 1598zyd_maxim2_init(struct zyd_rf *rf) 1599{ 1600#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1601 struct zyd_softc *sc = rf->rf_sc; 1602 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1603 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1604 uint16_t tmp; 1605 int i, error; 1606 1607 /* init RF-dependent PHY registers */ 1608 for (i = 0; i < N(phyini); i++) 1609 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1610 1611 zyd_read16_m(sc, ZYD_CR203, &tmp); 1612 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1613 1614 /* init maxim2 radio */ 1615 for (i = 0; i < N(rfini); i++) { 1616 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1617 return (error); 1618 } 1619 zyd_read16_m(sc, ZYD_CR203, &tmp); 1620 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1621fail: 1622 return (error); 1623#undef N 1624} 1625 1626static int 1627zyd_maxim2_switch_radio(struct zyd_rf *rf, int on) 1628{ 1629 1630 /* vendor driver does nothing for this RF chip */ 1631 return (0); 1632} 1633 1634static int 1635zyd_maxim2_set_channel(struct zyd_rf *rf, uint8_t chan) 1636{ 1637#define N(a) ((int)(sizeof(a) / sizeof((a)[0]))) 1638 struct zyd_softc *sc = rf->rf_sc; 1639 static const struct zyd_phy_pair phyini[] = ZYD_MAXIM2_PHY; 1640 static const uint32_t rfini[] = ZYD_MAXIM2_RF; 1641 static const struct { 1642 uint32_t r1, r2; 1643 } rfprog[] = ZYD_MAXIM2_CHANTABLE; 1644 uint16_t tmp; 1645 int i, error; 1646 1647 /* 1648 * Do the same as we do when initializing it, except for the channel 1649 * values coming from the two channel tables. 1650 */ 1651 1652 /* init RF-dependent PHY registers */ 1653 for (i = 0; i < N(phyini); i++) 1654 zyd_write16_m(sc, phyini[i].reg, phyini[i].val); 1655 1656 zyd_read16_m(sc, ZYD_CR203, &tmp); 1657 zyd_write16_m(sc, ZYD_CR203, tmp & ~(1 << 4)); 1658 1659 /* first two values taken from the chantables */ 1660 error = zyd_rfwrite(sc, rfprog[chan - 1].r1); 1661 if (error != 0) 1662 goto fail; 1663 error = zyd_rfwrite(sc, rfprog[chan - 1].r2); 1664 if (error != 0) 1665 goto fail; 1666 1667 /* init maxim2 radio - skipping the two first values */ 1668 for (i = 2; i < N(rfini); i++) { 1669 if ((error = zyd_rfwrite(sc, rfini[i])) != 0) 1670 return (error); 1671 } 1672 zyd_read16_m(sc, ZYD_CR203, &tmp); 1673 zyd_write16_m(sc, ZYD_CR203, tmp | (1 << 4)); 1674fail: 1675 return (error); 1676#undef N 1677} 1678 1679static int 1680zyd_rf_attach(struct zyd_softc *sc, uint8_t type) 1681{ 1682 struct zyd_rf *rf = &sc->sc_rf; 1683 1684 rf->rf_sc = sc; 1685 rf->update_pwr = 1; 1686 1687 switch (type) { 1688 case ZYD_RF_RFMD: 1689 rf->init = zyd_rfmd_init; 1690 rf->switch_radio = zyd_rfmd_switch_radio; 1691 rf->set_channel = zyd_rfmd_set_channel; 1692 rf->width = 24; /* 24-bit RF values */ 1693 break; 1694 case ZYD_RF_AL2230: 1695 case ZYD_RF_AL2230S: 1696 if (sc->sc_macrev == ZYD_ZD1211B) { 1697 rf->init = zyd_al2230_init_b; 1698 rf->set_channel = zyd_al2230_set_channel_b; 1699 } else { 1700 rf->init = zyd_al2230_init; 1701 rf->set_channel = zyd_al2230_set_channel; 1702 } 1703 rf->switch_radio = zyd_al2230_switch_radio; 1704 rf->bandedge6 = zyd_al2230_bandedge6; 1705 rf->width = 24; /* 24-bit RF values */ 1706 break; 1707 case ZYD_RF_AL7230B: 1708 rf->init = zyd_al7230B_init; 1709 rf->switch_radio = zyd_al7230B_switch_radio; 1710 rf->set_channel = zyd_al7230B_set_channel; 1711 rf->width = 24; /* 24-bit RF values */ 1712 break; 1713 case ZYD_RF_AL2210: 1714 rf->init = zyd_al2210_init; 1715 rf->switch_radio = zyd_al2210_switch_radio; 1716 rf->set_channel = zyd_al2210_set_channel; 1717 rf->width = 24; /* 24-bit RF values */ 1718 break; 1719 case ZYD_RF_MAXIM_NEW: 1720 case ZYD_RF_GCT: 1721 rf->init = zyd_gct_init; 1722 rf->switch_radio = zyd_gct_switch_radio; 1723 rf->set_channel = zyd_gct_set_channel; 1724 rf->width = 24; /* 24-bit RF values */ 1725 rf->update_pwr = 0; 1726 break; 1727 case ZYD_RF_MAXIM_NEW2: 1728 rf->init = zyd_maxim2_init; 1729 rf->switch_radio = zyd_maxim2_switch_radio; 1730 rf->set_channel = zyd_maxim2_set_channel; 1731 rf->width = 18; /* 18-bit RF values */ 1732 break; 1733 default: 1734 device_printf(sc->sc_dev, 1735 "sorry, radio \"%s\" is not supported yet\n", 1736 zyd_rf_name(type)); 1737 return (EINVAL); 1738 } 1739 return (0); 1740} 1741 1742static const char * 1743zyd_rf_name(uint8_t type) 1744{ 1745 static const char * const zyd_rfs[] = { 1746 "unknown", "unknown", "UW2451", "UCHIP", "AL2230", 1747 "AL7230B", "THETA", "AL2210", "MAXIM_NEW", "GCT", 1748 "AL2230S", "RALINK", "INTERSIL", "RFMD", "MAXIM_NEW2", 1749 "PHILIPS" 1750 }; 1751 1752 return zyd_rfs[(type > 15) ? 0 : type]; 1753} 1754 1755static int 1756zyd_hw_init(struct zyd_softc *sc) 1757{ 1758 int error; 1759 const struct zyd_phy_pair *phyp; 1760 struct zyd_rf *rf = &sc->sc_rf; 1761 uint16_t val; 1762 1763 /* specify that the plug and play is finished */ 1764 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1765 zyd_read16_m(sc, ZYD_FIRMWARE_BASE_ADDR, &sc->sc_fwbase); 1766 DPRINTF(sc, ZYD_DEBUG_FW, "firmware base address=0x%04x\n", 1767 sc->sc_fwbase); 1768 1769 /* retrieve firmware revision number */ 1770 zyd_read16_m(sc, sc->sc_fwbase + ZYD_FW_FIRMWARE_REV, &sc->sc_fwrev); 1771 zyd_write32_m(sc, ZYD_CR_GPI_EN, 0); 1772 zyd_write32_m(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x7f043f); 1773 /* set mandatory rates - XXX assumes 802.11b/g */ 1774 zyd_write32_m(sc, ZYD_MAC_MAN_RATE, 0x150f); 1775 1776 /* disable interrupts */ 1777 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 1778 1779 if ((error = zyd_read_pod(sc)) != 0) { 1780 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1781 goto fail; 1782 } 1783 1784 /* PHY init (resetting) */ 1785 error = zyd_lock_phy(sc); 1786 if (error != 0) 1787 goto fail; 1788 phyp = (sc->sc_macrev == ZYD_ZD1211B) ? zyd_def_phyB : zyd_def_phy; 1789 for (; phyp->reg != 0; phyp++) 1790 zyd_write16_m(sc, phyp->reg, phyp->val); 1791 if (sc->sc_macrev == ZYD_ZD1211 && sc->sc_fix_cr157 != 0) { 1792 zyd_read16_m(sc, ZYD_EEPROM_PHY_REG, &val); 1793 zyd_write32_m(sc, ZYD_CR157, val >> 8); 1794 } 1795 error = zyd_unlock_phy(sc); 1796 if (error != 0) 1797 goto fail; 1798 1799 /* HMAC init */ 1800 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000020); 1801 zyd_write32_m(sc, ZYD_CR_ADDA_MBIAS_WT, 0x30000808); 1802 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0x00000000); 1803 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0x00000000); 1804 zyd_write32_m(sc, ZYD_MAC_GHTBL, 0x00000000); 1805 zyd_write32_m(sc, ZYD_MAC_GHTBH, 0x80000000); 1806 zyd_write32_m(sc, ZYD_MAC_MISC, 0x000000a4); 1807 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x0000007f); 1808 zyd_write32_m(sc, ZYD_MAC_BCNCFG, 0x00f00401); 1809 zyd_write32_m(sc, ZYD_MAC_PHY_DELAY2, 0x00000000); 1810 zyd_write32_m(sc, ZYD_MAC_ACK_EXT, 0x00000080); 1811 zyd_write32_m(sc, ZYD_CR_ADDA_PWR_DWN, 0x00000000); 1812 zyd_write32_m(sc, ZYD_MAC_SIFS_ACK_TIME, 0x00000100); 1813 zyd_write32_m(sc, ZYD_CR_RX_PE_DELAY, 0x00000070); 1814 zyd_write32_m(sc, ZYD_CR_PS_CTRL, 0x10000000); 1815 zyd_write32_m(sc, ZYD_MAC_RTSCTSRATE, 0x02030203); 1816 zyd_write32_m(sc, ZYD_MAC_AFTER_PNP, 1); 1817 zyd_write32_m(sc, ZYD_MAC_BACKOFF_PROTECT, 0x00000114); 1818 zyd_write32_m(sc, ZYD_MAC_DIFS_EIFS_SIFS, 0x0a47c032); 1819 zyd_write32_m(sc, ZYD_MAC_CAM_MODE, 0x3); 1820 1821 if (sc->sc_macrev == ZYD_ZD1211) { 1822 zyd_write32_m(sc, ZYD_MAC_RETRY, 0x00000002); 1823 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0640); 1824 } else { 1825 zyd_write32_m(sc, ZYD_MACB_MAX_RETRY, 0x02020202); 1826 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL4, 0x007f003f); 1827 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL3, 0x007f003f); 1828 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL2, 0x003f001f); 1829 zyd_write32_m(sc, ZYD_MACB_TXPWR_CTL1, 0x001f000f); 1830 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL1, 0x00280028); 1831 zyd_write32_m(sc, ZYD_MACB_AIFS_CTL2, 0x008C003C); 1832 zyd_write32_m(sc, ZYD_MACB_TXOP, 0x01800824); 1833 zyd_write32_m(sc, ZYD_MAC_RX_THRESHOLD, 0x000c0eff); 1834 } 1835 1836 /* init beacon interval to 100ms */ 1837 if ((error = zyd_set_beacon_interval(sc, 100)) != 0) 1838 goto fail; 1839 1840 if ((error = zyd_rf_attach(sc, sc->sc_rfrev)) != 0) { 1841 device_printf(sc->sc_dev, "could not attach RF, rev 0x%x\n", 1842 sc->sc_rfrev); 1843 goto fail; 1844 } 1845 1846 /* RF chip init */ 1847 error = zyd_lock_phy(sc); 1848 if (error != 0) 1849 goto fail; 1850 error = (*rf->init)(rf); 1851 if (error != 0) { 1852 device_printf(sc->sc_dev, 1853 "radio initialization failed, error %d\n", error); 1854 goto fail; 1855 } 1856 error = zyd_unlock_phy(sc); 1857 if (error != 0) 1858 goto fail; 1859 1860 if ((error = zyd_read_eeprom(sc)) != 0) { 1861 device_printf(sc->sc_dev, "could not read EEPROM\n"); 1862 goto fail; 1863 } 1864 1865fail: return (error); 1866} 1867 1868static int 1869zyd_read_pod(struct zyd_softc *sc) 1870{ 1871 int error; 1872 uint32_t tmp; 1873 1874 zyd_read32_m(sc, ZYD_EEPROM_POD, &tmp); 1875 sc->sc_rfrev = tmp & 0x0f; 1876 sc->sc_ledtype = (tmp >> 4) & 0x01; 1877 sc->sc_al2230s = (tmp >> 7) & 0x01; 1878 sc->sc_cckgain = (tmp >> 8) & 0x01; 1879 sc->sc_fix_cr157 = (tmp >> 13) & 0x01; 1880 sc->sc_parev = (tmp >> 16) & 0x0f; 1881 sc->sc_bandedge6 = (tmp >> 21) & 0x01; 1882 sc->sc_newphy = (tmp >> 31) & 0x01; 1883 sc->sc_txled = ((tmp & (1 << 24)) && (tmp & (1 << 29))) ? 0 : 1; 1884fail: 1885 return (error); 1886} 1887 1888static int 1889zyd_read_eeprom(struct zyd_softc *sc) 1890{ 1891 uint16_t val; 1892 int error, i; 1893 1894 /* read Tx power calibration tables */ 1895 for (i = 0; i < 7; i++) { 1896 zyd_read16_m(sc, ZYD_EEPROM_PWR_CAL + i, &val); 1897 sc->sc_pwrcal[i * 2] = val >> 8; 1898 sc->sc_pwrcal[i * 2 + 1] = val & 0xff; 1899 zyd_read16_m(sc, ZYD_EEPROM_PWR_INT + i, &val); 1900 sc->sc_pwrint[i * 2] = val >> 8; 1901 sc->sc_pwrint[i * 2 + 1] = val & 0xff; 1902 zyd_read16_m(sc, ZYD_EEPROM_36M_CAL + i, &val); 1903 sc->sc_ofdm36_cal[i * 2] = val >> 8; 1904 sc->sc_ofdm36_cal[i * 2 + 1] = val & 0xff; 1905 zyd_read16_m(sc, ZYD_EEPROM_48M_CAL + i, &val); 1906 sc->sc_ofdm48_cal[i * 2] = val >> 8; 1907 sc->sc_ofdm48_cal[i * 2 + 1] = val & 0xff; 1908 zyd_read16_m(sc, ZYD_EEPROM_54M_CAL + i, &val); 1909 sc->sc_ofdm54_cal[i * 2] = val >> 8; 1910 sc->sc_ofdm54_cal[i * 2 + 1] = val & 0xff; 1911 } 1912fail: 1913 return (error); 1914} 1915 1916static int 1917zyd_get_macaddr(struct zyd_softc *sc) 1918{ 1919 struct usb_device_request req; 1920 usb_error_t error; 1921 1922 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1923 req.bRequest = ZYD_READFWDATAREQ; 1924 USETW(req.wValue, ZYD_EEPROM_MAC_ADDR_P1); 1925 USETW(req.wIndex, 0); 1926 USETW(req.wLength, IEEE80211_ADDR_LEN); 1927 1928 error = zyd_do_request(sc, &req, sc->sc_bssid); 1929 if (error != 0) { 1930 device_printf(sc->sc_dev, "could not read EEPROM: %s\n", 1931 usbd_errstr(error)); 1932 } 1933 1934 return (error); 1935} 1936 1937static int 1938zyd_set_macaddr(struct zyd_softc *sc, const uint8_t *addr) 1939{ 1940 int error; 1941 uint32_t tmp; 1942 1943 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1944 zyd_write32_m(sc, ZYD_MAC_MACADRL, tmp); 1945 tmp = addr[5] << 8 | addr[4]; 1946 zyd_write32_m(sc, ZYD_MAC_MACADRH, tmp); 1947fail: 1948 return (error); 1949} 1950 1951static int 1952zyd_set_bssid(struct zyd_softc *sc, const uint8_t *addr) 1953{ 1954 int error; 1955 uint32_t tmp; 1956 1957 tmp = addr[3] << 24 | addr[2] << 16 | addr[1] << 8 | addr[0]; 1958 zyd_write32_m(sc, ZYD_MAC_BSSADRL, tmp); 1959 tmp = addr[5] << 8 | addr[4]; 1960 zyd_write32_m(sc, ZYD_MAC_BSSADRH, tmp); 1961fail: 1962 return (error); 1963} 1964 1965static int 1966zyd_switch_radio(struct zyd_softc *sc, int on) 1967{ 1968 struct zyd_rf *rf = &sc->sc_rf; 1969 int error; 1970 1971 error = zyd_lock_phy(sc); 1972 if (error != 0) 1973 goto fail; 1974 error = (*rf->switch_radio)(rf, on); 1975 if (error != 0) 1976 goto fail; 1977 error = zyd_unlock_phy(sc); 1978fail: 1979 return (error); 1980} 1981 1982static int 1983zyd_set_led(struct zyd_softc *sc, int which, int on) 1984{ 1985 int error; 1986 uint32_t tmp; 1987 1988 zyd_read32_m(sc, ZYD_MAC_TX_PE_CONTROL, &tmp); 1989 tmp &= ~which; 1990 if (on) 1991 tmp |= which; 1992 zyd_write32_m(sc, ZYD_MAC_TX_PE_CONTROL, tmp); 1993fail: 1994 return (error); 1995} 1996 1997static void 1998zyd_set_multi(struct zyd_softc *sc) 1999{ 2000 int error; 2001 struct ifnet *ifp = sc->sc_ifp; 2002 struct ieee80211com *ic = ifp->if_l2com; 2003 struct ifmultiaddr *ifma; 2004 uint32_t low, high; 2005 uint8_t v; 2006 2007 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2008 return; 2009 2010 low = 0x00000000; 2011 high = 0x80000000; 2012 2013 if (ic->ic_opmode == IEEE80211_M_MONITOR || 2014 (ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) { 2015 low = 0xffffffff; 2016 high = 0xffffffff; 2017 } else { 2018 if_maddr_rlock(ifp); 2019 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2020 if (ifma->ifma_addr->sa_family != AF_LINK) 2021 continue; 2022 v = ((uint8_t *)LLADDR((struct sockaddr_dl *) 2023 ifma->ifma_addr))[5] >> 2; 2024 if (v < 32) 2025 low |= 1 << v; 2026 else 2027 high |= 1 << (v - 32); 2028 } 2029 if_maddr_runlock(ifp); 2030 } 2031 2032 /* reprogram multicast global hash table */ 2033 zyd_write32_m(sc, ZYD_MAC_GHTBL, low); 2034 zyd_write32_m(sc, ZYD_MAC_GHTBH, high); 2035fail: 2036 if (error != 0) 2037 device_printf(sc->sc_dev, 2038 "could not set multicast hash table\n"); 2039} 2040 2041static void 2042zyd_update_mcast(struct ifnet *ifp) 2043{ 2044 struct zyd_softc *sc = ifp->if_softc; 2045 2046 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2047 return; 2048 2049 ZYD_LOCK(sc); 2050 zyd_set_multi(sc); 2051 ZYD_UNLOCK(sc); 2052} 2053 2054static int 2055zyd_set_rxfilter(struct zyd_softc *sc) 2056{ 2057 struct ifnet *ifp = sc->sc_ifp; 2058 struct ieee80211com *ic = ifp->if_l2com; 2059 uint32_t rxfilter; 2060 2061 switch (ic->ic_opmode) { 2062 case IEEE80211_M_STA: 2063 rxfilter = ZYD_FILTER_BSS; 2064 break; 2065 case IEEE80211_M_IBSS: 2066 case IEEE80211_M_HOSTAP: 2067 rxfilter = ZYD_FILTER_HOSTAP; 2068 break; 2069 case IEEE80211_M_MONITOR: 2070 rxfilter = ZYD_FILTER_MONITOR; 2071 break; 2072 default: 2073 /* should not get there */ 2074 return (EINVAL); 2075 } 2076 return zyd_write32(sc, ZYD_MAC_RXFILTER, rxfilter); 2077} 2078 2079static void 2080zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) 2081{ 2082 int error; 2083 struct ifnet *ifp = sc->sc_ifp; 2084 struct ieee80211com *ic = ifp->if_l2com; 2085 struct zyd_rf *rf = &sc->sc_rf; 2086 uint32_t tmp; 2087 int chan; 2088 2089 chan = ieee80211_chan2ieee(ic, c); 2090 if (chan == 0 || chan == IEEE80211_CHAN_ANY) { 2091 /* XXX should NEVER happen */ 2092 device_printf(sc->sc_dev, 2093 "%s: invalid channel %x\n", __func__, chan); 2094 return; 2095 } 2096 2097 error = zyd_lock_phy(sc); 2098 if (error != 0) 2099 goto fail; 2100 2101 error = (*rf->set_channel)(rf, chan); 2102 if (error != 0) 2103 goto fail; 2104 2105 if (rf->update_pwr) { 2106 /* update Tx power */ 2107 zyd_write16_m(sc, ZYD_CR31, sc->sc_pwrint[chan - 1]); 2108 2109 if (sc->sc_macrev == ZYD_ZD1211B) { 2110 zyd_write16_m(sc, ZYD_CR67, 2111 sc->sc_ofdm36_cal[chan - 1]); 2112 zyd_write16_m(sc, ZYD_CR66, 2113 sc->sc_ofdm48_cal[chan - 1]); 2114 zyd_write16_m(sc, ZYD_CR65, 2115 sc->sc_ofdm54_cal[chan - 1]); 2116 zyd_write16_m(sc, ZYD_CR68, sc->sc_pwrcal[chan - 1]); 2117 zyd_write16_m(sc, ZYD_CR69, 0x28); 2118 zyd_write16_m(sc, ZYD_CR69, 0x2a); 2119 } 2120 } 2121 if (sc->sc_cckgain) { 2122 /* set CCK baseband gain from EEPROM */ 2123 if (zyd_read32(sc, ZYD_EEPROM_PHY_REG, &tmp) == 0) 2124 zyd_write16_m(sc, ZYD_CR47, tmp & 0xff); 2125 } 2126 if (sc->sc_bandedge6 && rf->bandedge6 != NULL) { 2127 error = (*rf->bandedge6)(rf, c); 2128 if (error != 0) 2129 goto fail; 2130 } 2131 zyd_write32_m(sc, ZYD_CR_CONFIG_PHILIPS, 0); 2132 2133 error = zyd_unlock_phy(sc); 2134 if (error != 0) 2135 goto fail; 2136 2137 sc->sc_rxtap.wr_chan_freq = sc->sc_txtap.wt_chan_freq = 2138 htole16(c->ic_freq); 2139 sc->sc_rxtap.wr_chan_flags = sc->sc_txtap.wt_chan_flags = 2140 htole16(c->ic_flags); 2141fail: 2142 return; 2143} 2144 2145static int 2146zyd_set_beacon_interval(struct zyd_softc *sc, int bintval) 2147{ 2148 int error; 2149 uint32_t val; 2150 2151 zyd_read32_m(sc, ZYD_CR_ATIM_WND_PERIOD, &val); 2152 sc->sc_atim_wnd = val; 2153 zyd_read32_m(sc, ZYD_CR_PRE_TBTT, &val); 2154 sc->sc_pre_tbtt = val; 2155 sc->sc_bcn_int = bintval; 2156 2157 if (sc->sc_bcn_int <= 5) 2158 sc->sc_bcn_int = 5; 2159 if (sc->sc_pre_tbtt < 4 || sc->sc_pre_tbtt >= sc->sc_bcn_int) 2160 sc->sc_pre_tbtt = sc->sc_bcn_int - 1; 2161 if (sc->sc_atim_wnd >= sc->sc_pre_tbtt) 2162 sc->sc_atim_wnd = sc->sc_pre_tbtt - 1; 2163 2164 zyd_write32_m(sc, ZYD_CR_ATIM_WND_PERIOD, sc->sc_atim_wnd); 2165 zyd_write32_m(sc, ZYD_CR_PRE_TBTT, sc->sc_pre_tbtt); 2166 zyd_write32_m(sc, ZYD_CR_BCN_INTERVAL, sc->sc_bcn_int); 2167fail: 2168 return (error); 2169} 2170 2171static void 2172zyd_rx_data(struct usb_xfer *xfer, int offset, uint16_t len) 2173{ 2174 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2175 struct ifnet *ifp = sc->sc_ifp; 2176 struct ieee80211com *ic = ifp->if_l2com; 2177 struct zyd_plcphdr plcp; 2178 struct zyd_rx_stat stat; 2179 struct usb_page_cache *pc; 2180 struct mbuf *m; 2181 int rlen, rssi; 2182 2183 if (len < ZYD_MIN_FRAGSZ) { 2184 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too short (length=%d)\n", 2185 device_get_nameunit(sc->sc_dev), len); 2186 ifp->if_ierrors++; 2187 return; 2188 } 2189 pc = usbd_xfer_get_frame(xfer, 0); 2190 usbd_copy_out(pc, offset, &plcp, sizeof(plcp)); 2191 usbd_copy_out(pc, offset + len - sizeof(stat), &stat, sizeof(stat)); 2192 2193 if (stat.flags & ZYD_RX_ERROR) { 2194 DPRINTF(sc, ZYD_DEBUG_RECV, 2195 "%s: RX status indicated error (%x)\n", 2196 device_get_nameunit(sc->sc_dev), stat.flags); 2197 ifp->if_ierrors++; 2198 return; 2199 } 2200 2201 /* compute actual frame length */ 2202 rlen = len - sizeof(struct zyd_plcphdr) - 2203 sizeof(struct zyd_rx_stat) - IEEE80211_CRC_LEN; 2204 2205 /* allocate a mbuf to store the frame */ 2206 if (rlen > (int)MCLBYTES) { 2207 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: frame too long (length=%d)\n", 2208 device_get_nameunit(sc->sc_dev), rlen); 2209 ifp->if_ierrors++; 2210 return; 2211 } else if (rlen > (int)MHLEN) 2212 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 2213 else 2214 m = m_gethdr(M_NOWAIT, MT_DATA); 2215 if (m == NULL) { 2216 DPRINTF(sc, ZYD_DEBUG_RECV, "%s: could not allocate rx mbuf\n", 2217 device_get_nameunit(sc->sc_dev)); 2218 ifp->if_ierrors++; 2219 return; 2220 } 2221 m->m_pkthdr.rcvif = ifp; 2222 m->m_pkthdr.len = m->m_len = rlen; 2223 usbd_copy_out(pc, offset + sizeof(plcp), mtod(m, uint8_t *), rlen); 2224 2225 if (ieee80211_radiotap_active(ic)) { 2226 struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; 2227 2228 tap->wr_flags = 0; 2229 if (stat.flags & (ZYD_RX_BADCRC16 | ZYD_RX_BADCRC32)) 2230 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2231 /* XXX toss, no way to express errors */ 2232 if (stat.flags & ZYD_RX_DECRYPTERR) 2233 tap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 2234 tap->wr_rate = ieee80211_plcp2rate(plcp.signal, 2235 (stat.flags & ZYD_RX_OFDM) ? 2236 IEEE80211_T_OFDM : IEEE80211_T_CCK); 2237 tap->wr_antsignal = stat.rssi + -95; 2238 tap->wr_antnoise = -95; /* XXX */ 2239 } 2240 rssi = (stat.rssi > 63) ? 127 : 2 * stat.rssi; 2241 2242 sc->sc_rx_data[sc->sc_rx_count].rssi = rssi; 2243 sc->sc_rx_data[sc->sc_rx_count].m = m; 2244 sc->sc_rx_count++; 2245} 2246 2247static void 2248zyd_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 2249{ 2250 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2251 struct ifnet *ifp = sc->sc_ifp; 2252 struct ieee80211com *ic = ifp->if_l2com; 2253 struct ieee80211_node *ni; 2254 struct zyd_rx_desc desc; 2255 struct mbuf *m; 2256 struct usb_page_cache *pc; 2257 uint32_t offset; 2258 uint8_t rssi; 2259 int8_t nf; 2260 int i; 2261 int actlen; 2262 2263 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2264 2265 sc->sc_rx_count = 0; 2266 switch (USB_GET_STATE(xfer)) { 2267 case USB_ST_TRANSFERRED: 2268 pc = usbd_xfer_get_frame(xfer, 0); 2269 usbd_copy_out(pc, actlen - sizeof(desc), &desc, sizeof(desc)); 2270 2271 offset = 0; 2272 if (UGETW(desc.tag) == ZYD_TAG_MULTIFRAME) { 2273 DPRINTF(sc, ZYD_DEBUG_RECV, 2274 "%s: received multi-frame transfer\n", __func__); 2275 2276 for (i = 0; i < ZYD_MAX_RXFRAMECNT; i++) { 2277 uint16_t len16 = UGETW(desc.len[i]); 2278 2279 if (len16 == 0 || len16 > actlen) 2280 break; 2281 2282 zyd_rx_data(xfer, offset, len16); 2283 2284 /* next frame is aligned on a 32-bit boundary */ 2285 len16 = (len16 + 3) & ~3; 2286 offset += len16; 2287 if (len16 > actlen) 2288 break; 2289 actlen -= len16; 2290 } 2291 } else { 2292 DPRINTF(sc, ZYD_DEBUG_RECV, 2293 "%s: received single-frame transfer\n", __func__); 2294 2295 zyd_rx_data(xfer, 0, actlen); 2296 } 2297 /* FALLTHROUGH */ 2298 case USB_ST_SETUP: 2299tr_setup: 2300 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 2301 usbd_transfer_submit(xfer); 2302 2303 /* 2304 * At the end of a USB callback it is always safe to unlock 2305 * the private mutex of a device! That is why we do the 2306 * "ieee80211_input" here, and not some lines up! 2307 */ 2308 ZYD_UNLOCK(sc); 2309 for (i = 0; i < sc->sc_rx_count; i++) { 2310 rssi = sc->sc_rx_data[i].rssi; 2311 m = sc->sc_rx_data[i].m; 2312 sc->sc_rx_data[i].m = NULL; 2313 2314 nf = -95; /* XXX */ 2315 2316 ni = ieee80211_find_rxnode(ic, 2317 mtod(m, struct ieee80211_frame_min *)); 2318 if (ni != NULL) { 2319 (void)ieee80211_input(ni, m, rssi, nf); 2320 ieee80211_free_node(ni); 2321 } else 2322 (void)ieee80211_input_all(ic, m, rssi, nf); 2323 } 2324 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2325 !IFQ_IS_EMPTY(&ifp->if_snd)) 2326 zyd_start(ifp); 2327 ZYD_LOCK(sc); 2328 break; 2329 2330 default: /* Error */ 2331 DPRINTF(sc, ZYD_DEBUG_ANY, "frame error: %s\n", usbd_errstr(error)); 2332 2333 if (error != USB_ERR_CANCELLED) { 2334 /* try to clear stall first */ 2335 usbd_xfer_set_stall(xfer); 2336 goto tr_setup; 2337 } 2338 break; 2339 } 2340} 2341 2342static uint8_t 2343zyd_plcp_signal(struct zyd_softc *sc, int rate) 2344{ 2345 switch (rate) { 2346 /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 2347 case 12: 2348 return (0xb); 2349 case 18: 2350 return (0xf); 2351 case 24: 2352 return (0xa); 2353 case 36: 2354 return (0xe); 2355 case 48: 2356 return (0x9); 2357 case 72: 2358 return (0xd); 2359 case 96: 2360 return (0x8); 2361 case 108: 2362 return (0xc); 2363 /* CCK rates (NB: not IEEE std, device-specific) */ 2364 case 2: 2365 return (0x0); 2366 case 4: 2367 return (0x1); 2368 case 11: 2369 return (0x2); 2370 case 22: 2371 return (0x3); 2372 } 2373 2374 device_printf(sc->sc_dev, "unsupported rate %d\n", rate); 2375 return (0x0); 2376} 2377 2378static void 2379zyd_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 2380{ 2381 struct zyd_softc *sc = usbd_xfer_softc(xfer); 2382 struct ifnet *ifp = sc->sc_ifp; 2383 struct ieee80211vap *vap; 2384 struct zyd_tx_data *data; 2385 struct mbuf *m; 2386 struct usb_page_cache *pc; 2387 int actlen; 2388 2389 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 2390 2391 switch (USB_GET_STATE(xfer)) { 2392 case USB_ST_TRANSFERRED: 2393 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer complete, %u bytes\n", 2394 actlen); 2395 2396 /* free resources */ 2397 data = usbd_xfer_get_priv(xfer); 2398 zyd_tx_free(data, 0); 2399 usbd_xfer_set_priv(xfer, NULL); 2400 2401 ifp->if_opackets++; 2402 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2403 2404 /* FALLTHROUGH */ 2405 case USB_ST_SETUP: 2406tr_setup: 2407 data = STAILQ_FIRST(&sc->tx_q); 2408 if (data) { 2409 STAILQ_REMOVE_HEAD(&sc->tx_q, next); 2410 m = data->m; 2411 2412 if (m->m_pkthdr.len > (int)ZYD_MAX_TXBUFSZ) { 2413 DPRINTF(sc, ZYD_DEBUG_ANY, "data overflow, %u bytes\n", 2414 m->m_pkthdr.len); 2415 m->m_pkthdr.len = ZYD_MAX_TXBUFSZ; 2416 } 2417 pc = usbd_xfer_get_frame(xfer, 0); 2418 usbd_copy_in(pc, 0, &data->desc, ZYD_TX_DESC_SIZE); 2419 usbd_m_copy_in(pc, ZYD_TX_DESC_SIZE, m, 0, 2420 m->m_pkthdr.len); 2421 2422 vap = data->ni->ni_vap; 2423 if (ieee80211_radiotap_active_vap(vap)) { 2424 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2425 2426 tap->wt_flags = 0; 2427 tap->wt_rate = data->rate; 2428 2429 ieee80211_radiotap_tx(vap, m); 2430 } 2431 2432 usbd_xfer_set_frame_len(xfer, 0, ZYD_TX_DESC_SIZE + m->m_pkthdr.len); 2433 usbd_xfer_set_priv(xfer, data); 2434 usbd_transfer_submit(xfer); 2435 } 2436 ZYD_UNLOCK(sc); 2437 zyd_start(ifp); 2438 ZYD_LOCK(sc); 2439 break; 2440 2441 default: /* Error */ 2442 DPRINTF(sc, ZYD_DEBUG_ANY, "transfer error, %s\n", 2443 usbd_errstr(error)); 2444 2445 ifp->if_oerrors++; 2446 data = usbd_xfer_get_priv(xfer); 2447 usbd_xfer_set_priv(xfer, NULL); 2448 if (data != NULL) 2449 zyd_tx_free(data, error); 2450 2451 if (error != USB_ERR_CANCELLED) { 2452 if (error == USB_ERR_TIMEOUT) 2453 device_printf(sc->sc_dev, "device timeout\n"); 2454 2455 /* 2456 * Try to clear stall first, also if other 2457 * errors occur, hence clearing stall 2458 * introduces a 50 ms delay: 2459 */ 2460 usbd_xfer_set_stall(xfer); 2461 goto tr_setup; 2462 } 2463 break; 2464 } 2465} 2466 2467static int 2468zyd_tx_start(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) 2469{ 2470 struct ieee80211vap *vap = ni->ni_vap; 2471 struct ieee80211com *ic = ni->ni_ic; 2472 struct zyd_tx_desc *desc; 2473 struct zyd_tx_data *data; 2474 struct ieee80211_frame *wh; 2475 const struct ieee80211_txparam *tp; 2476 struct ieee80211_key *k; 2477 int rate, totlen; 2478 static uint8_t ratediv[] = ZYD_TX_RATEDIV; 2479 uint8_t phy; 2480 uint16_t pktlen; 2481 uint32_t bits; 2482 2483 wh = mtod(m0, struct ieee80211_frame *); 2484 data = STAILQ_FIRST(&sc->tx_free); 2485 STAILQ_REMOVE_HEAD(&sc->tx_free, next); 2486 sc->tx_nfree--; 2487 2488 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT || 2489 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { 2490 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 2491 rate = tp->mgmtrate; 2492 } else { 2493 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)]; 2494 /* for data frames */ 2495 if (IEEE80211_IS_MULTICAST(wh->i_addr1)) 2496 rate = tp->mcastrate; 2497 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 2498 rate = tp->ucastrate; 2499 else { 2500 (void) ieee80211_ratectl_rate(ni, NULL, 0); 2501 rate = ni->ni_txrate; 2502 } 2503 } 2504 2505 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2506 k = ieee80211_crypto_encap(ni, m0); 2507 if (k == NULL) { 2508 m_freem(m0); 2509 return (ENOBUFS); 2510 } 2511 /* packet header may have moved, reset our local pointer */ 2512 wh = mtod(m0, struct ieee80211_frame *); 2513 } 2514 2515 data->ni = ni; 2516 data->m = m0; 2517 data->rate = rate; 2518 2519 /* fill Tx descriptor */ 2520 desc = &data->desc; 2521 phy = zyd_plcp_signal(sc, rate); 2522 desc->phy = phy; 2523 if (ZYD_RATE_IS_OFDM(rate)) { 2524 desc->phy |= ZYD_TX_PHY_OFDM; 2525 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan)) 2526 desc->phy |= ZYD_TX_PHY_5GHZ; 2527 } else if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2528 desc->phy |= ZYD_TX_PHY_SHPREAMBLE; 2529 2530 totlen = m0->m_pkthdr.len + IEEE80211_CRC_LEN; 2531 desc->len = htole16(totlen); 2532 2533 desc->flags = ZYD_TX_FLAG_BACKOFF; 2534 if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2535 /* multicast frames are not sent at OFDM rates in 802.11b/g */ 2536 if (totlen > vap->iv_rtsthreshold) { 2537 desc->flags |= ZYD_TX_FLAG_RTS; 2538 } else if (ZYD_RATE_IS_OFDM(rate) && 2539 (ic->ic_flags & IEEE80211_F_USEPROT)) { 2540 if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 2541 desc->flags |= ZYD_TX_FLAG_CTS_TO_SELF; 2542 else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 2543 desc->flags |= ZYD_TX_FLAG_RTS; 2544 } 2545 } else 2546 desc->flags |= ZYD_TX_FLAG_MULTICAST; 2547 if ((wh->i_fc[0] & 2548 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 2549 (IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_PS_POLL)) 2550 desc->flags |= ZYD_TX_FLAG_TYPE(ZYD_TX_TYPE_PS_POLL); 2551 2552 /* actual transmit length (XXX why +10?) */ 2553 pktlen = ZYD_TX_DESC_SIZE + 10; 2554 if (sc->sc_macrev == ZYD_ZD1211) 2555 pktlen += totlen; 2556 desc->pktlen = htole16(pktlen); 2557 2558 bits = (rate == 11) ? (totlen * 16) + 10 : 2559 ((rate == 22) ? (totlen * 8) + 10 : (totlen * 8)); 2560 desc->plcp_length = htole16(bits / ratediv[phy]); 2561 desc->plcp_service = 0; 2562 if (rate == 22 && (bits % 11) > 0 && (bits % 11) <= 3) 2563 desc->plcp_service |= ZYD_PLCP_LENGEXT; 2564 desc->nextlen = 0; 2565 2566 if (ieee80211_radiotap_active_vap(vap)) { 2567 struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; 2568 2569 tap->wt_flags = 0; 2570 tap->wt_rate = rate; 2571 2572 ieee80211_radiotap_tx(vap, m0); 2573 } 2574 2575 DPRINTF(sc, ZYD_DEBUG_XMIT, 2576 "%s: sending data frame len=%zu rate=%u\n", 2577 device_get_nameunit(sc->sc_dev), (size_t)m0->m_pkthdr.len, 2578 rate); 2579 2580 STAILQ_INSERT_TAIL(&sc->tx_q, data, next); 2581 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_WR]); 2582 2583 return (0); 2584} 2585 2586static void 2587zyd_start(struct ifnet *ifp) 2588{ 2589 struct zyd_softc *sc = ifp->if_softc; 2590 struct ieee80211_node *ni; 2591 struct mbuf *m; 2592 2593 ZYD_LOCK(sc); 2594 for (;;) { 2595 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 2596 if (m == NULL) 2597 break; 2598 if (sc->tx_nfree == 0) { 2599 IFQ_DRV_PREPEND(&ifp->if_snd, m); 2600 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2601 break; 2602 } 2603 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 2604 if (zyd_tx_start(sc, m, ni) != 0) { 2605 ieee80211_free_node(ni); 2606 ifp->if_oerrors++; 2607 break; 2608 } 2609 } 2610 ZYD_UNLOCK(sc); 2611} 2612 2613static int 2614zyd_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2615 const struct ieee80211_bpf_params *params) 2616{ 2617 struct ieee80211com *ic = ni->ni_ic; 2618 struct ifnet *ifp = ic->ic_ifp; 2619 struct zyd_softc *sc = ifp->if_softc; 2620 2621 ZYD_LOCK(sc); 2622 /* prevent management frames from being sent if we're not ready */ 2623 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2624 ZYD_UNLOCK(sc); 2625 m_freem(m); 2626 ieee80211_free_node(ni); 2627 return (ENETDOWN); 2628 } 2629 if (sc->tx_nfree == 0) { 2630 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2631 ZYD_UNLOCK(sc); 2632 m_freem(m); 2633 ieee80211_free_node(ni); 2634 return (ENOBUFS); /* XXX */ 2635 } 2636 2637 /* 2638 * Legacy path; interpret frame contents to decide 2639 * precisely how to send the frame. 2640 * XXX raw path 2641 */ 2642 if (zyd_tx_start(sc, m, ni) != 0) { 2643 ZYD_UNLOCK(sc); 2644 ifp->if_oerrors++; 2645 ieee80211_free_node(ni); 2646 return (EIO); 2647 } 2648 ZYD_UNLOCK(sc); 2649 return (0); 2650} 2651 2652static int 2653zyd_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 2654{ 2655 struct zyd_softc *sc = ifp->if_softc; 2656 struct ieee80211com *ic = ifp->if_l2com; 2657 struct ifreq *ifr = (struct ifreq *) data; 2658 int error; 2659 int startall = 0; 2660 2661 ZYD_LOCK(sc); 2662 error = (sc->sc_flags & ZYD_FLAG_DETACHED) ? ENXIO : 0; 2663 ZYD_UNLOCK(sc); 2664 if (error) 2665 return (error); 2666 2667 switch (cmd) { 2668 case SIOCSIFFLAGS: 2669 ZYD_LOCK(sc); 2670 if (ifp->if_flags & IFF_UP) { 2671 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2672 zyd_init_locked(sc); 2673 startall = 1; 2674 } else 2675 zyd_set_multi(sc); 2676 } else { 2677 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2678 zyd_stop(sc); 2679 } 2680 ZYD_UNLOCK(sc); 2681 if (startall) 2682 ieee80211_start_all(ic); 2683 break; 2684 case SIOCGIFMEDIA: 2685 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2686 break; 2687 case SIOCGIFADDR: 2688 error = ether_ioctl(ifp, cmd, data); 2689 break; 2690 default: 2691 error = EINVAL; 2692 break; 2693 } 2694 return (error); 2695} 2696 2697static void 2698zyd_init_locked(struct zyd_softc *sc) 2699{ 2700 struct ifnet *ifp = sc->sc_ifp; 2701 struct ieee80211com *ic = ifp->if_l2com; 2702 struct usb_config_descriptor *cd; 2703 int error; 2704 uint32_t val; 2705 2706 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2707 2708 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) { 2709 error = zyd_loadfirmware(sc); 2710 if (error != 0) { 2711 device_printf(sc->sc_dev, 2712 "could not load firmware (error=%d)\n", error); 2713 goto fail; 2714 } 2715 2716 /* reset device */ 2717 cd = usbd_get_config_descriptor(sc->sc_udev); 2718 error = usbd_req_set_config(sc->sc_udev, &sc->sc_mtx, 2719 cd->bConfigurationValue); 2720 if (error) 2721 device_printf(sc->sc_dev, "reset failed, continuing\n"); 2722 2723 error = zyd_hw_init(sc); 2724 if (error) { 2725 device_printf(sc->sc_dev, 2726 "hardware initialization failed\n"); 2727 goto fail; 2728 } 2729 2730 device_printf(sc->sc_dev, 2731 "HMAC ZD1211%s, FW %02x.%02x, RF %s S%x, PA%x LED %x " 2732 "BE%x NP%x Gain%x F%x\n", 2733 (sc->sc_macrev == ZYD_ZD1211) ? "": "B", 2734 sc->sc_fwrev >> 8, sc->sc_fwrev & 0xff, 2735 zyd_rf_name(sc->sc_rfrev), sc->sc_al2230s, sc->sc_parev, 2736 sc->sc_ledtype, sc->sc_bandedge6, sc->sc_newphy, 2737 sc->sc_cckgain, sc->sc_fix_cr157); 2738 2739 /* read regulatory domain (currently unused) */ 2740 zyd_read32_m(sc, ZYD_EEPROM_SUBID, &val); 2741 sc->sc_regdomain = val >> 16; 2742 DPRINTF(sc, ZYD_DEBUG_INIT, "regulatory domain %x\n", 2743 sc->sc_regdomain); 2744 2745 /* we'll do software WEP decryption for now */ 2746 DPRINTF(sc, ZYD_DEBUG_INIT, "%s: setting encryption type\n", 2747 __func__); 2748 zyd_write32_m(sc, ZYD_MAC_ENCRYPTION_TYPE, ZYD_ENC_SNIFFER); 2749 2750 sc->sc_flags |= ZYD_FLAG_INITONCE; 2751 } 2752 2753 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2754 zyd_stop(sc); 2755 2756 DPRINTF(sc, ZYD_DEBUG_INIT, "setting MAC address to %6D\n", 2757 IF_LLADDR(ifp), ":"); 2758 error = zyd_set_macaddr(sc, IF_LLADDR(ifp)); 2759 if (error != 0) 2760 return; 2761 2762 /* set basic rates */ 2763 if (ic->ic_curmode == IEEE80211_MODE_11B) 2764 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x0003); 2765 else if (ic->ic_curmode == IEEE80211_MODE_11A) 2766 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0x1500); 2767 else /* assumes 802.11b/g */ 2768 zyd_write32_m(sc, ZYD_MAC_BAS_RATE, 0xff0f); 2769 2770 /* promiscuous mode */ 2771 zyd_write32_m(sc, ZYD_MAC_SNIFFER, 0); 2772 /* multicast setup */ 2773 zyd_set_multi(sc); 2774 /* set RX filter */ 2775 error = zyd_set_rxfilter(sc); 2776 if (error != 0) 2777 goto fail; 2778 2779 /* switch radio transmitter ON */ 2780 error = zyd_switch_radio(sc, 1); 2781 if (error != 0) 2782 goto fail; 2783 /* set default BSS channel */ 2784 zyd_set_chan(sc, ic->ic_curchan); 2785 2786 /* 2787 * Allocate Tx and Rx xfer queues. 2788 */ 2789 zyd_setup_tx_list(sc); 2790 2791 /* enable interrupts */ 2792 zyd_write32_m(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_MASK); 2793 2794 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2795 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2796 usbd_xfer_set_stall(sc->sc_xfer[ZYD_BULK_WR]); 2797 usbd_transfer_start(sc->sc_xfer[ZYD_BULK_RD]); 2798 usbd_transfer_start(sc->sc_xfer[ZYD_INTR_RD]); 2799 2800 return; 2801 2802fail: zyd_stop(sc); 2803 return; 2804} 2805 2806static void 2807zyd_init(void *priv) 2808{ 2809 struct zyd_softc *sc = priv; 2810 struct ifnet *ifp = sc->sc_ifp; 2811 struct ieee80211com *ic = ifp->if_l2com; 2812 2813 ZYD_LOCK(sc); 2814 zyd_init_locked(sc); 2815 ZYD_UNLOCK(sc); 2816 2817 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 2818 ieee80211_start_all(ic); /* start all vap's */ 2819} 2820 2821static void 2822zyd_stop(struct zyd_softc *sc) 2823{ 2824 struct ifnet *ifp = sc->sc_ifp; 2825 int error; 2826 2827 ZYD_LOCK_ASSERT(sc, MA_OWNED); 2828 2829 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 2830 2831 /* 2832 * Drain all the transfers, if not already drained: 2833 */ 2834 ZYD_UNLOCK(sc); 2835 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_WR]); 2836 usbd_transfer_drain(sc->sc_xfer[ZYD_BULK_RD]); 2837 ZYD_LOCK(sc); 2838 2839 zyd_unsetup_tx_list(sc); 2840 2841 /* Stop now if the device was never set up */ 2842 if (!(sc->sc_flags & ZYD_FLAG_INITONCE)) 2843 return; 2844 2845 /* switch radio transmitter OFF */ 2846 error = zyd_switch_radio(sc, 0); 2847 if (error != 0) 2848 goto fail; 2849 /* disable Rx */ 2850 zyd_write32_m(sc, ZYD_MAC_RXFILTER, 0); 2851 /* disable interrupts */ 2852 zyd_write32_m(sc, ZYD_CR_INTERRUPT, 0); 2853 2854fail: 2855 return; 2856} 2857 2858static int 2859zyd_loadfirmware(struct zyd_softc *sc) 2860{ 2861 struct usb_device_request req; 2862 size_t size; 2863 u_char *fw; 2864 uint8_t stat; 2865 uint16_t addr; 2866 2867 if (sc->sc_flags & ZYD_FLAG_FWLOADED) 2868 return (0); 2869 2870 if (sc->sc_macrev == ZYD_ZD1211) { 2871 fw = (u_char *)zd1211_firmware; 2872 size = sizeof(zd1211_firmware); 2873 } else { 2874 fw = (u_char *)zd1211b_firmware; 2875 size = sizeof(zd1211b_firmware); 2876 } 2877 2878 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 2879 req.bRequest = ZYD_DOWNLOADREQ; 2880 USETW(req.wIndex, 0); 2881 2882 addr = ZYD_FIRMWARE_START_ADDR; 2883 while (size > 0) { 2884 /* 2885 * When the transfer size is 4096 bytes, it is not 2886 * likely to be able to transfer it. 2887 * The cause is port or machine or chip? 2888 */ 2889 const int mlen = min(size, 64); 2890 2891 DPRINTF(sc, ZYD_DEBUG_FW, 2892 "loading firmware block: len=%d, addr=0x%x\n", mlen, addr); 2893 2894 USETW(req.wValue, addr); 2895 USETW(req.wLength, mlen); 2896 if (zyd_do_request(sc, &req, fw) != 0) 2897 return (EIO); 2898 2899 addr += mlen / 2; 2900 fw += mlen; 2901 size -= mlen; 2902 } 2903 2904 /* check whether the upload succeeded */ 2905 req.bmRequestType = UT_READ_VENDOR_DEVICE; 2906 req.bRequest = ZYD_DOWNLOADSTS; 2907 USETW(req.wValue, 0); 2908 USETW(req.wIndex, 0); 2909 USETW(req.wLength, sizeof(stat)); 2910 if (zyd_do_request(sc, &req, &stat) != 0) 2911 return (EIO); 2912 2913 sc->sc_flags |= ZYD_FLAG_FWLOADED; 2914 2915 return (stat & 0x80) ? (EIO) : (0); 2916} 2917 2918static void 2919zyd_scan_start(struct ieee80211com *ic) 2920{ 2921 struct ifnet *ifp = ic->ic_ifp; 2922 struct zyd_softc *sc = ifp->if_softc; 2923 2924 ZYD_LOCK(sc); 2925 /* want broadcast address while scanning */ 2926 zyd_set_bssid(sc, ifp->if_broadcastaddr); 2927 ZYD_UNLOCK(sc); 2928} 2929 2930static void 2931zyd_scan_end(struct ieee80211com *ic) 2932{ 2933 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2934 2935 ZYD_LOCK(sc); 2936 /* restore previous bssid */ 2937 zyd_set_bssid(sc, sc->sc_bssid); 2938 ZYD_UNLOCK(sc); 2939} 2940 2941static void 2942zyd_set_channel(struct ieee80211com *ic) 2943{ 2944 struct zyd_softc *sc = ic->ic_ifp->if_softc; 2945 2946 ZYD_LOCK(sc); 2947 zyd_set_chan(sc, ic->ic_curchan); 2948 ZYD_UNLOCK(sc); 2949} 2950 2951static device_method_t zyd_methods[] = { 2952 /* Device interface */ 2953 DEVMETHOD(device_probe, zyd_match), 2954 DEVMETHOD(device_attach, zyd_attach), 2955 DEVMETHOD(device_detach, zyd_detach), 2956 DEVMETHOD_END 2957}; 2958 2959static driver_t zyd_driver = { 2960 .name = "zyd", 2961 .methods = zyd_methods, 2962 .size = sizeof(struct zyd_softc) 2963}; 2964 2965static devclass_t zyd_devclass; 2966 2967DRIVER_MODULE(zyd, uhub, zyd_driver, zyd_devclass, NULL, 0); 2968MODULE_DEPEND(zyd, usb, 1, 1, 1); 2969MODULE_DEPEND(zyd, wlan, 1, 1, 1); 2970MODULE_VERSION(zyd, 1); 2971