1 /*- 2 * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> 3 * Copyright (c) 2012 Bernhard Schmidt <bschmidt@FreeBSD.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $OpenBSD: rt2860.c,v 1.65 2010/10/23 14:24:54 damien Exp $ 18 */ 19 20 #include <sys/cdefs.h> 21 __FBSDID("$FreeBSD$"); 22 23 /*- 24 * Ralink Technology RT2860/RT3090/RT3390/RT3562/RT5390/RT5392 chipset driver 25 * http://www.ralinktech.com/ 26 */ 27 28 #include <sys/param.h> 29 #include <sys/sysctl.h> 30 #include <sys/sockio.h> 31 #include <sys/mbuf.h> 32 #include <sys/kernel.h> 33 #include <sys/socket.h> 34 #include <sys/systm.h> 35 #include <sys/malloc.h> 36 #include <sys/lock.h> 37 #include <sys/mutex.h> 38 #include <sys/module.h> 39 #include <sys/bus.h> 40 #include <sys/endian.h> 41 #include <sys/firmware.h> 42 43 #include <machine/bus.h> 44 #include <machine/resource.h> 45 #include <sys/rman.h> 46 47 #include <net/bpf.h> 48 #include <net/if.h> 49 #include <net/if_var.h> 50 #include <net/if_arp.h> 51 #include <net/ethernet.h> 52 #include <net/if_dl.h> 53 #include <net/if_media.h> 54 #include <net/if_types.h> 55 56 #include <net80211/ieee80211_var.h> 57 #include <net80211/ieee80211_radiotap.h> 58 #include <net80211/ieee80211_regdomain.h> 59 #include <net80211/ieee80211_ratectl.h> 60 61 #include <netinet/in.h> 62 #include <netinet/in_systm.h> 63 #include <netinet/in_var.h> 64 #include <netinet/ip.h> 65 #include <netinet/if_ether.h> 66 67 #include <dev/ral/rt2860reg.h> 68 #include <dev/ral/rt2860var.h> 69 70 #define RAL_DEBUG 71 #ifdef RAL_DEBUG 72 #define DPRINTF(x) do { if (sc->sc_debug > 0) printf x; } while (0) 73 #define DPRINTFN(n, x) do { if (sc->sc_debug >= (n)) printf x; } while (0) 74 #else 75 #define DPRINTF(x) 76 #define DPRINTFN(n, x) 77 #endif 78 79 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *, 80 const char [IFNAMSIZ], int, enum ieee80211_opmode, 81 int, const uint8_t [IEEE80211_ADDR_LEN], 82 const uint8_t [IEEE80211_ADDR_LEN]); 83 static void rt2860_vap_delete(struct ieee80211vap *); 84 static void rt2860_dma_map_addr(void *, bus_dma_segment_t *, int, int); 85 static int rt2860_alloc_tx_ring(struct rt2860_softc *, 86 struct rt2860_tx_ring *); 87 static void rt2860_reset_tx_ring(struct rt2860_softc *, 88 struct rt2860_tx_ring *); 89 static void rt2860_free_tx_ring(struct rt2860_softc *, 90 struct rt2860_tx_ring *); 91 static int rt2860_alloc_tx_pool(struct rt2860_softc *); 92 static void rt2860_free_tx_pool(struct rt2860_softc *); 93 static int rt2860_alloc_rx_ring(struct rt2860_softc *, 94 struct rt2860_rx_ring *); 95 static void rt2860_reset_rx_ring(struct rt2860_softc *, 96 struct rt2860_rx_ring *); 97 static void rt2860_free_rx_ring(struct rt2860_softc *, 98 struct rt2860_rx_ring *); 99 static void rt2860_updatestats(struct rt2860_softc *); 100 static void rt2860_newassoc(struct ieee80211_node *, int); 101 static void rt2860_node_free(struct ieee80211_node *); 102 #ifdef IEEE80211_HT 103 static int rt2860_ampdu_rx_start(struct ieee80211com *, 104 struct ieee80211_node *, uint8_t); 105 static void rt2860_ampdu_rx_stop(struct ieee80211com *, 106 struct ieee80211_node *, uint8_t); 107 #endif 108 static int rt2860_newstate(struct ieee80211vap *, enum ieee80211_state, 109 int); 110 static uint16_t rt3090_efuse_read_2(struct rt2860_softc *, uint16_t); 111 static uint16_t rt2860_eeprom_read_2(struct rt2860_softc *, uint16_t); 112 static void rt2860_intr_coherent(struct rt2860_softc *); 113 static void rt2860_drain_stats_fifo(struct rt2860_softc *); 114 static void rt2860_tx_intr(struct rt2860_softc *, int); 115 static void rt2860_rx_intr(struct rt2860_softc *); 116 static void rt2860_tbtt_intr(struct rt2860_softc *); 117 static void rt2860_gp_intr(struct rt2860_softc *); 118 static int rt2860_tx(struct rt2860_softc *, struct mbuf *, 119 struct ieee80211_node *); 120 static int rt2860_raw_xmit(struct ieee80211_node *, struct mbuf *, 121 const struct ieee80211_bpf_params *); 122 static int rt2860_tx_raw(struct rt2860_softc *, struct mbuf *, 123 struct ieee80211_node *, 124 const struct ieee80211_bpf_params *params); 125 static int rt2860_transmit(struct ieee80211com *, struct mbuf *); 126 static void rt2860_start(struct rt2860_softc *); 127 static void rt2860_watchdog(void *); 128 static void rt2860_parent(struct ieee80211com *); 129 static void rt2860_mcu_bbp_write(struct rt2860_softc *, uint8_t, uint8_t); 130 static uint8_t rt2860_mcu_bbp_read(struct rt2860_softc *, uint8_t); 131 static void rt2860_rf_write(struct rt2860_softc *, uint8_t, uint32_t); 132 static uint8_t rt3090_rf_read(struct rt2860_softc *, uint8_t); 133 static void rt3090_rf_write(struct rt2860_softc *, uint8_t, uint8_t); 134 static int rt2860_mcu_cmd(struct rt2860_softc *, uint8_t, uint16_t, int); 135 static void rt2860_enable_mrr(struct rt2860_softc *); 136 static void rt2860_set_txpreamble(struct rt2860_softc *); 137 static void rt2860_set_basicrates(struct rt2860_softc *, 138 const struct ieee80211_rateset *); 139 static void rt2860_scan_start(struct ieee80211com *); 140 static void rt2860_scan_end(struct ieee80211com *); 141 static void rt2860_getradiocaps(struct ieee80211com *, int, int *, 142 struct ieee80211_channel[]); 143 static void rt2860_set_channel(struct ieee80211com *); 144 static void rt2860_select_chan_group(struct rt2860_softc *, int); 145 static void rt2860_set_chan(struct rt2860_softc *, u_int); 146 static void rt3090_set_chan(struct rt2860_softc *, u_int); 147 static void rt5390_set_chan(struct rt2860_softc *, u_int); 148 static int rt3090_rf_init(struct rt2860_softc *); 149 static void rt5390_rf_init(struct rt2860_softc *); 150 static void rt3090_rf_wakeup(struct rt2860_softc *); 151 static void rt5390_rf_wakeup(struct rt2860_softc *); 152 static int rt3090_filter_calib(struct rt2860_softc *, uint8_t, uint8_t, 153 uint8_t *); 154 static void rt3090_rf_setup(struct rt2860_softc *); 155 static void rt2860_set_leds(struct rt2860_softc *, uint16_t); 156 static void rt2860_set_gp_timer(struct rt2860_softc *, int); 157 static void rt2860_set_bssid(struct rt2860_softc *, const uint8_t *); 158 static void rt2860_set_macaddr(struct rt2860_softc *, const uint8_t *); 159 static void rt2860_update_promisc(struct ieee80211com *); 160 static void rt2860_updateslot(struct ieee80211com *); 161 static void rt2860_updateprot(struct rt2860_softc *); 162 static int rt2860_updateedca(struct ieee80211com *); 163 #ifdef HW_CRYPTO 164 static int rt2860_set_key(struct ieee80211com *, struct ieee80211_node *, 165 struct ieee80211_key *); 166 static void rt2860_delete_key(struct ieee80211com *, 167 struct ieee80211_node *, struct ieee80211_key *); 168 #endif 169 static int8_t rt2860_rssi2dbm(struct rt2860_softc *, uint8_t, uint8_t); 170 static const char *rt2860_get_rf(uint16_t); 171 static int rt2860_read_eeprom(struct rt2860_softc *, 172 uint8_t macaddr[IEEE80211_ADDR_LEN]); 173 static int rt2860_bbp_init(struct rt2860_softc *); 174 static void rt5390_bbp_init(struct rt2860_softc *); 175 static int rt2860_txrx_enable(struct rt2860_softc *); 176 static void rt2860_init(void *); 177 static void rt2860_init_locked(struct rt2860_softc *); 178 static void rt2860_stop(void *); 179 static void rt2860_stop_locked(struct rt2860_softc *); 180 static int rt2860_load_microcode(struct rt2860_softc *); 181 #ifdef NOT_YET 182 static void rt2860_calib(struct rt2860_softc *); 183 #endif 184 static void rt3090_set_rx_antenna(struct rt2860_softc *, int); 185 static void rt2860_switch_chan(struct rt2860_softc *, 186 struct ieee80211_channel *); 187 static int rt2860_setup_beacon(struct rt2860_softc *, 188 struct ieee80211vap *); 189 static void rt2860_enable_tsf_sync(struct rt2860_softc *); 190 191 static const struct { 192 uint32_t reg; 193 uint32_t val; 194 } rt2860_def_mac[] = { 195 RT2860_DEF_MAC 196 }; 197 198 static const struct { 199 uint8_t reg; 200 uint8_t val; 201 } rt2860_def_bbp[] = { 202 RT2860_DEF_BBP 203 }, rt5390_def_bbp[] = { 204 RT5390_DEF_BBP 205 }; 206 207 static const struct rfprog { 208 uint8_t chan; 209 uint32_t r1, r2, r3, r4; 210 } rt2860_rf2850[] = { 211 RT2860_RF2850 212 }; 213 214 struct { 215 uint8_t n, r, k; 216 } rt3090_freqs[] = { 217 RT3070_RF3052 218 }; 219 220 static const struct { 221 uint8_t reg; 222 uint8_t val; 223 } rt3090_def_rf[] = { 224 RT3070_DEF_RF 225 }, rt5390_def_rf[] = { 226 RT5390_DEF_RF 227 }, rt5392_def_rf[] = { 228 RT5392_DEF_RF 229 }; 230 231 static const uint8_t rt2860_chan_2ghz[] = 232 { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 }; 233 static const uint8_t rt2860_chan_5ghz[] = 234 { 36, 38, 40, 44, 46, 48, 52, 54, 56, 60, 62, 64, 100, 102, 104, 235 108, 110, 112, 116, 118, 120, 124, 126, 128, 132, 134, 136, 140, 236 149, 151, 153, 157, 159, 161, 165, 167, 169, 171, 173 }; 237 238 int 239 rt2860_attach(device_t dev, int id) 240 { 241 struct rt2860_softc *sc = device_get_softc(dev); 242 struct ieee80211com *ic = &sc->sc_ic; 243 uint32_t tmp; 244 int error, ntries, qid; 245 246 sc->sc_dev = dev; 247 sc->sc_debug = 0; 248 249 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 250 MTX_DEF | MTX_RECURSE); 251 252 callout_init_mtx(&sc->watchdog_ch, &sc->sc_mtx, 0); 253 mbufq_init(&sc->sc_snd, ifqmaxlen); 254 255 /* wait for NIC to initialize */ 256 for (ntries = 0; ntries < 100; ntries++) { 257 tmp = RAL_READ(sc, RT2860_ASIC_VER_ID); 258 if (tmp != 0 && tmp != 0xffffffff) 259 break; 260 DELAY(10); 261 } 262 if (ntries == 100) { 263 device_printf(sc->sc_dev, 264 "timeout waiting for NIC to initialize\n"); 265 error = EIO; 266 goto fail1; 267 } 268 sc->mac_ver = tmp >> 16; 269 sc->mac_rev = tmp & 0xffff; 270 271 if (sc->mac_ver != 0x2860 && 272 (id == 0x0681 || id == 0x0781 || id == 0x1059)) 273 sc->sc_flags |= RT2860_ADVANCED_PS; 274 275 /* retrieve RF rev. no and various other things from EEPROM */ 276 rt2860_read_eeprom(sc, ic->ic_macaddr); 277 device_printf(sc->sc_dev, "MAC/BBP RT%X (rev 0x%04X), " 278 "RF %s (MIMO %dT%dR), address %6D\n", 279 sc->mac_ver, sc->mac_rev, rt2860_get_rf(sc->rf_rev), 280 sc->ntxchains, sc->nrxchains, ic->ic_macaddr, ":"); 281 282 /* 283 * Allocate Tx (4 EDCAs + HCCA + Mgt) and Rx rings. 284 */ 285 for (qid = 0; qid < 6; qid++) { 286 if ((error = rt2860_alloc_tx_ring(sc, &sc->txq[qid])) != 0) { 287 device_printf(sc->sc_dev, 288 "could not allocate Tx ring %d\n", qid); 289 goto fail2; 290 } 291 } 292 293 if ((error = rt2860_alloc_rx_ring(sc, &sc->rxq)) != 0) { 294 device_printf(sc->sc_dev, "could not allocate Rx ring\n"); 295 goto fail2; 296 } 297 298 if ((error = rt2860_alloc_tx_pool(sc)) != 0) { 299 device_printf(sc->sc_dev, "could not allocate Tx pool\n"); 300 goto fail3; 301 } 302 303 /* mgmt ring is broken on RT2860C, use EDCA AC VO ring instead */ 304 sc->mgtqid = (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) ? 305 WME_AC_VO : 5; 306 307 ic->ic_softc = sc; 308 ic->ic_name = device_get_nameunit(dev); 309 ic->ic_opmode = IEEE80211_M_STA; 310 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 311 312 /* set device capabilities */ 313 ic->ic_caps = 314 IEEE80211_C_STA /* station mode */ 315 | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */ 316 | IEEE80211_C_HOSTAP /* hostap mode */ 317 | IEEE80211_C_MONITOR /* monitor mode */ 318 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 319 | IEEE80211_C_WDS /* 4-address traffic works */ 320 | IEEE80211_C_MBSS /* mesh point link mode */ 321 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 322 | IEEE80211_C_SHSLOT /* short slot time supported */ 323 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ 324 #if 0 325 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 326 #endif 327 | IEEE80211_C_WME /* 802.11e */ 328 ; 329 330 rt2860_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, 331 ic->ic_channels); 332 333 ieee80211_ifattach(ic); 334 335 ic->ic_wme.wme_update = rt2860_updateedca; 336 ic->ic_scan_start = rt2860_scan_start; 337 ic->ic_scan_end = rt2860_scan_end; 338 ic->ic_getradiocaps = rt2860_getradiocaps; 339 ic->ic_set_channel = rt2860_set_channel; 340 ic->ic_updateslot = rt2860_updateslot; 341 ic->ic_update_promisc = rt2860_update_promisc; 342 ic->ic_raw_xmit = rt2860_raw_xmit; 343 sc->sc_node_free = ic->ic_node_free; 344 ic->ic_node_free = rt2860_node_free; 345 ic->ic_newassoc = rt2860_newassoc; 346 ic->ic_transmit = rt2860_transmit; 347 ic->ic_parent = rt2860_parent; 348 ic->ic_vap_create = rt2860_vap_create; 349 ic->ic_vap_delete = rt2860_vap_delete; 350 351 ieee80211_radiotap_attach(ic, 352 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 353 RT2860_TX_RADIOTAP_PRESENT, 354 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 355 RT2860_RX_RADIOTAP_PRESENT); 356 357 #ifdef RAL_DEBUG 358 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 359 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 360 "debug", CTLFLAG_RW, &sc->sc_debug, 0, "debug msgs"); 361 #endif 362 if (bootverbose) 363 ieee80211_announce(ic); 364 365 return 0; 366 367 fail3: rt2860_free_rx_ring(sc, &sc->rxq); 368 fail2: while (--qid >= 0) 369 rt2860_free_tx_ring(sc, &sc->txq[qid]); 370 fail1: mtx_destroy(&sc->sc_mtx); 371 return error; 372 } 373 374 int 375 rt2860_detach(void *xsc) 376 { 377 struct rt2860_softc *sc = xsc; 378 struct ieee80211com *ic = &sc->sc_ic; 379 int qid; 380 381 RAL_LOCK(sc); 382 rt2860_stop_locked(sc); 383 RAL_UNLOCK(sc); 384 385 ieee80211_ifdetach(ic); 386 mbufq_drain(&sc->sc_snd); 387 for (qid = 0; qid < 6; qid++) 388 rt2860_free_tx_ring(sc, &sc->txq[qid]); 389 rt2860_free_rx_ring(sc, &sc->rxq); 390 rt2860_free_tx_pool(sc); 391 392 mtx_destroy(&sc->sc_mtx); 393 394 return 0; 395 } 396 397 void 398 rt2860_shutdown(void *xsc) 399 { 400 struct rt2860_softc *sc = xsc; 401 402 rt2860_stop(sc); 403 } 404 405 void 406 rt2860_suspend(void *xsc) 407 { 408 struct rt2860_softc *sc = xsc; 409 410 rt2860_stop(sc); 411 } 412 413 void 414 rt2860_resume(void *xsc) 415 { 416 struct rt2860_softc *sc = xsc; 417 418 if (sc->sc_ic.ic_nrunning > 0) 419 rt2860_init(sc); 420 } 421 422 static struct ieee80211vap * 423 rt2860_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 424 enum ieee80211_opmode opmode, int flags, 425 const uint8_t bssid[IEEE80211_ADDR_LEN], 426 const uint8_t mac[IEEE80211_ADDR_LEN]) 427 { 428 struct rt2860_softc *sc = ic->ic_softc; 429 struct rt2860_vap *rvp; 430 struct ieee80211vap *vap; 431 432 switch (opmode) { 433 case IEEE80211_M_STA: 434 case IEEE80211_M_IBSS: 435 case IEEE80211_M_AHDEMO: 436 case IEEE80211_M_MONITOR: 437 case IEEE80211_M_HOSTAP: 438 case IEEE80211_M_MBSS: 439 /* XXXRP: TBD */ 440 if (!TAILQ_EMPTY(&ic->ic_vaps)) { 441 device_printf(sc->sc_dev, "only 1 vap supported\n"); 442 return NULL; 443 } 444 if (opmode == IEEE80211_M_STA) 445 flags |= IEEE80211_CLONE_NOBEACONS; 446 break; 447 case IEEE80211_M_WDS: 448 if (TAILQ_EMPTY(&ic->ic_vaps) || 449 ic->ic_opmode != IEEE80211_M_HOSTAP) { 450 device_printf(sc->sc_dev, 451 "wds only supported in ap mode\n"); 452 return NULL; 453 } 454 /* 455 * Silently remove any request for a unique 456 * bssid; WDS vap's always share the local 457 * mac address. 458 */ 459 flags &= ~IEEE80211_CLONE_BSSID; 460 break; 461 default: 462 device_printf(sc->sc_dev, "unknown opmode %d\n", opmode); 463 return NULL; 464 } 465 rvp = malloc(sizeof(struct rt2860_vap), M_80211_VAP, M_WAITOK | M_ZERO); 466 vap = &rvp->ral_vap; 467 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 468 469 /* override state transition machine */ 470 rvp->ral_newstate = vap->iv_newstate; 471 vap->iv_newstate = rt2860_newstate; 472 #if 0 473 vap->iv_update_beacon = rt2860_beacon_update; 474 #endif 475 476 /* HW supports up to 255 STAs (0-254) in HostAP and IBSS modes */ 477 vap->iv_max_aid = min(IEEE80211_AID_MAX, RT2860_WCID_MAX); 478 479 ieee80211_ratectl_init(vap); 480 /* complete setup */ 481 ieee80211_vap_attach(vap, ieee80211_media_change, 482 ieee80211_media_status, mac); 483 if (TAILQ_FIRST(&ic->ic_vaps) == vap) 484 ic->ic_opmode = opmode; 485 return vap; 486 } 487 488 static void 489 rt2860_vap_delete(struct ieee80211vap *vap) 490 { 491 struct rt2860_vap *rvp = RT2860_VAP(vap); 492 493 ieee80211_ratectl_deinit(vap); 494 ieee80211_vap_detach(vap); 495 free(rvp, M_80211_VAP); 496 } 497 498 static void 499 rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 500 { 501 if (error != 0) 502 return; 503 504 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 505 506 *(bus_addr_t *)arg = segs[0].ds_addr; 507 } 508 509 510 static int 511 rt2860_alloc_tx_ring(struct rt2860_softc *sc, struct rt2860_tx_ring *ring) 512 { 513 int size, error; 514 515 size = RT2860_TX_RING_COUNT * sizeof (struct rt2860_txd); 516 517 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 16, 0, 518 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 519 size, 1, size, 0, NULL, NULL, &ring->desc_dmat); 520 if (error != 0) { 521 device_printf(sc->sc_dev, "could not create desc DMA tag\n"); 522 goto fail; 523 } 524 525 error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->txd, 526 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map); 527 if (error != 0) { 528 device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 529 goto fail; 530 } 531 532 error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->txd, 533 size, rt2860_dma_map_addr, &ring->paddr, 0); 534 if (error != 0) { 535 device_printf(sc->sc_dev, "could not load desc DMA map\n"); 536 goto fail; 537 } 538 539 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 540 541 return 0; 542 543 fail: rt2860_free_tx_ring(sc, ring); 544 return error; 545 } 546 547 void 548 rt2860_reset_tx_ring(struct rt2860_softc *sc, struct rt2860_tx_ring *ring) 549 { 550 struct rt2860_tx_data *data; 551 int i; 552 553 for (i = 0; i < RT2860_TX_RING_COUNT; i++) { 554 if ((data = ring->data[i]) == NULL) 555 continue; /* nothing mapped in this slot */ 556 557 if (data->m != NULL) { 558 bus_dmamap_sync(sc->txwi_dmat, data->map, 559 BUS_DMASYNC_POSTWRITE); 560 bus_dmamap_unload(sc->txwi_dmat, data->map); 561 m_freem(data->m); 562 data->m = NULL; 563 } 564 if (data->ni != NULL) { 565 ieee80211_free_node(data->ni); 566 data->ni = NULL; 567 } 568 569 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 570 ring->data[i] = NULL; 571 } 572 573 ring->queued = 0; 574 ring->cur = ring->next = 0; 575 } 576 577 void 578 rt2860_free_tx_ring(struct rt2860_softc *sc, struct rt2860_tx_ring *ring) 579 { 580 struct rt2860_tx_data *data; 581 int i; 582 583 if (ring->txd != NULL) { 584 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, 585 BUS_DMASYNC_POSTWRITE); 586 bus_dmamap_unload(ring->desc_dmat, ring->desc_map); 587 bus_dmamem_free(ring->desc_dmat, ring->txd, ring->desc_map); 588 } 589 if (ring->desc_dmat != NULL) 590 bus_dma_tag_destroy(ring->desc_dmat); 591 592 for (i = 0; i < RT2860_TX_RING_COUNT; i++) { 593 if ((data = ring->data[i]) == NULL) 594 continue; /* nothing mapped in this slot */ 595 596 if (data->m != NULL) { 597 bus_dmamap_sync(sc->txwi_dmat, data->map, 598 BUS_DMASYNC_POSTWRITE); 599 bus_dmamap_unload(sc->txwi_dmat, data->map); 600 m_freem(data->m); 601 } 602 if (data->ni != NULL) 603 ieee80211_free_node(data->ni); 604 605 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 606 } 607 } 608 609 /* 610 * Allocate a pool of TX Wireless Information blocks. 611 */ 612 int 613 rt2860_alloc_tx_pool(struct rt2860_softc *sc) 614 { 615 caddr_t vaddr; 616 bus_addr_t paddr; 617 int i, size, error; 618 619 size = RT2860_TX_POOL_COUNT * RT2860_TXWI_DMASZ; 620 621 /* init data_pool early in case of failure.. */ 622 SLIST_INIT(&sc->data_pool); 623 624 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 625 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 626 size, 1, size, 0, NULL, NULL, &sc->txwi_dmat); 627 if (error != 0) { 628 device_printf(sc->sc_dev, "could not create txwi DMA tag\n"); 629 goto fail; 630 } 631 632 error = bus_dmamem_alloc(sc->txwi_dmat, (void **)&sc->txwi_vaddr, 633 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->txwi_map); 634 if (error != 0) { 635 device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 636 goto fail; 637 } 638 639 error = bus_dmamap_load(sc->txwi_dmat, sc->txwi_map, 640 sc->txwi_vaddr, size, rt2860_dma_map_addr, &paddr, 0); 641 if (error != 0) { 642 device_printf(sc->sc_dev, "could not load txwi DMA map\n"); 643 goto fail; 644 } 645 646 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, BUS_DMASYNC_PREWRITE); 647 648 vaddr = sc->txwi_vaddr; 649 for (i = 0; i < RT2860_TX_POOL_COUNT; i++) { 650 struct rt2860_tx_data *data = &sc->data[i]; 651 652 error = bus_dmamap_create(sc->txwi_dmat, 0, &data->map); 653 if (error != 0) { 654 device_printf(sc->sc_dev, "could not create DMA map\n"); 655 goto fail; 656 } 657 data->txwi = (struct rt2860_txwi *)vaddr; 658 data->paddr = paddr; 659 vaddr += RT2860_TXWI_DMASZ; 660 paddr += RT2860_TXWI_DMASZ; 661 662 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 663 } 664 665 return 0; 666 667 fail: rt2860_free_tx_pool(sc); 668 return error; 669 } 670 671 void 672 rt2860_free_tx_pool(struct rt2860_softc *sc) 673 { 674 if (sc->txwi_vaddr != NULL) { 675 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, 676 BUS_DMASYNC_POSTWRITE); 677 bus_dmamap_unload(sc->txwi_dmat, sc->txwi_map); 678 bus_dmamem_free(sc->txwi_dmat, sc->txwi_vaddr, sc->txwi_map); 679 } 680 if (sc->txwi_dmat != NULL) 681 bus_dma_tag_destroy(sc->txwi_dmat); 682 683 while (!SLIST_EMPTY(&sc->data_pool)) { 684 struct rt2860_tx_data *data; 685 data = SLIST_FIRST(&sc->data_pool); 686 bus_dmamap_destroy(sc->txwi_dmat, data->map); 687 SLIST_REMOVE_HEAD(&sc->data_pool, next); 688 } 689 } 690 691 int 692 rt2860_alloc_rx_ring(struct rt2860_softc *sc, struct rt2860_rx_ring *ring) 693 { 694 bus_addr_t physaddr; 695 int i, size, error; 696 697 size = RT2860_RX_RING_COUNT * sizeof (struct rt2860_rxd); 698 699 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 16, 0, 700 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 701 size, 1, size, 0, NULL, NULL, &ring->desc_dmat); 702 if (error != 0) { 703 device_printf(sc->sc_dev, "could not create desc DMA tag\n"); 704 goto fail; 705 } 706 707 error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->rxd, 708 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map); 709 if (error != 0) { 710 device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 711 goto fail; 712 } 713 714 error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->rxd, 715 size, rt2860_dma_map_addr, &ring->paddr, 0); 716 if (error != 0) { 717 device_printf(sc->sc_dev, "could not load desc DMA map\n"); 718 goto fail; 719 } 720 721 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 722 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 723 1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat); 724 if (error != 0) { 725 device_printf(sc->sc_dev, "could not create data DMA tag\n"); 726 goto fail; 727 } 728 729 for (i = 0; i < RT2860_RX_RING_COUNT; i++) { 730 struct rt2860_rx_data *data = &ring->data[i]; 731 struct rt2860_rxd *rxd = &ring->rxd[i]; 732 733 error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 734 if (error != 0) { 735 device_printf(sc->sc_dev, "could not create DMA map\n"); 736 goto fail; 737 } 738 739 data->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 740 if (data->m == NULL) { 741 device_printf(sc->sc_dev, 742 "could not allocate rx mbuf\n"); 743 error = ENOMEM; 744 goto fail; 745 } 746 747 error = bus_dmamap_load(ring->data_dmat, data->map, 748 mtod(data->m, void *), MCLBYTES, rt2860_dma_map_addr, 749 &physaddr, 0); 750 if (error != 0) { 751 device_printf(sc->sc_dev, 752 "could not load rx buf DMA map"); 753 goto fail; 754 } 755 756 rxd->sdp0 = htole32(physaddr); 757 rxd->sdl0 = htole16(MCLBYTES); 758 } 759 760 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 761 762 return 0; 763 764 fail: rt2860_free_rx_ring(sc, ring); 765 return error; 766 } 767 768 void 769 rt2860_reset_rx_ring(struct rt2860_softc *sc, struct rt2860_rx_ring *ring) 770 { 771 int i; 772 773 for (i = 0; i < RT2860_RX_RING_COUNT; i++) 774 ring->rxd[i].sdl0 &= ~htole16(RT2860_RX_DDONE); 775 776 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 777 778 ring->cur = 0; 779 } 780 781 void 782 rt2860_free_rx_ring(struct rt2860_softc *sc, struct rt2860_rx_ring *ring) 783 { 784 int i; 785 786 if (ring->rxd != NULL) { 787 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, 788 BUS_DMASYNC_POSTWRITE); 789 bus_dmamap_unload(ring->desc_dmat, ring->desc_map); 790 bus_dmamem_free(ring->desc_dmat, ring->rxd, ring->desc_map); 791 } 792 if (ring->desc_dmat != NULL) 793 bus_dma_tag_destroy(ring->desc_dmat); 794 795 for (i = 0; i < RT2860_RX_RING_COUNT; i++) { 796 struct rt2860_rx_data *data = &ring->data[i]; 797 798 if (data->m != NULL) { 799 bus_dmamap_sync(ring->data_dmat, data->map, 800 BUS_DMASYNC_POSTREAD); 801 bus_dmamap_unload(ring->data_dmat, data->map); 802 m_freem(data->m); 803 } 804 if (data->map != NULL) 805 bus_dmamap_destroy(ring->data_dmat, data->map); 806 } 807 if (ring->data_dmat != NULL) 808 bus_dma_tag_destroy(ring->data_dmat); 809 } 810 811 static void 812 rt2860_updatestats(struct rt2860_softc *sc) 813 { 814 struct ieee80211com *ic = &sc->sc_ic; 815 816 /* 817 * In IBSS or HostAP modes (when the hardware sends beacons), the 818 * MAC can run into a livelock and start sending CTS-to-self frames 819 * like crazy if protection is enabled. Fortunately, we can detect 820 * when such a situation occurs and reset the MAC. 821 */ 822 if (ic->ic_curmode != IEEE80211_M_STA) { 823 /* check if we're in a livelock situation.. */ 824 uint32_t tmp = RAL_READ(sc, RT2860_DEBUG); 825 if ((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))) { 826 /* ..and reset MAC/BBP for a while.. */ 827 DPRINTF(("CTS-to-self livelock detected\n")); 828 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST); 829 RAL_BARRIER_WRITE(sc); 830 DELAY(1); 831 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 832 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 833 } 834 } 835 } 836 837 static void 838 rt2860_newassoc(struct ieee80211_node *ni, int isnew) 839 { 840 struct ieee80211com *ic = ni->ni_ic; 841 struct rt2860_softc *sc = ic->ic_softc; 842 uint8_t wcid; 843 844 wcid = IEEE80211_AID(ni->ni_associd); 845 if (isnew && ni->ni_associd != 0) { 846 sc->wcid2ni[wcid] = ni; 847 848 /* init WCID table entry */ 849 RAL_WRITE_REGION_1(sc, RT2860_WCID_ENTRY(wcid), 850 ni->ni_macaddr, IEEE80211_ADDR_LEN); 851 } 852 DPRINTF(("new assoc isnew=%d addr=%s WCID=%d\n", 853 isnew, ether_sprintf(ni->ni_macaddr), wcid)); 854 } 855 856 static void 857 rt2860_node_free(struct ieee80211_node *ni) 858 { 859 struct ieee80211com *ic = ni->ni_ic; 860 struct rt2860_softc *sc = ic->ic_softc; 861 uint8_t wcid; 862 863 if (ni->ni_associd != 0) { 864 wcid = IEEE80211_AID(ni->ni_associd); 865 866 /* clear Rx WCID search table entry */ 867 RAL_SET_REGION_4(sc, RT2860_WCID_ENTRY(wcid), 0, 2); 868 } 869 sc->sc_node_free(ni); 870 } 871 872 #ifdef IEEE80211_HT 873 static int 874 rt2860_ampdu_rx_start(struct ieee80211com *ic, struct ieee80211_node *ni, 875 uint8_t tid) 876 { 877 struct rt2860_softc *sc = ic->ic_softc; 878 uint8_t wcid = ((struct rt2860_node *)ni)->wcid; 879 uint32_t tmp; 880 881 /* update BA session mask */ 882 tmp = RAL_READ(sc, RT2860_WCID_ENTRY(wcid) + 4); 883 tmp |= (1 << tid) << 16; 884 RAL_WRITE(sc, RT2860_WCID_ENTRY(wcid) + 4, tmp); 885 return 0; 886 } 887 888 static void 889 rt2860_ampdu_rx_stop(struct ieee80211com *ic, struct ieee80211_node *ni, 890 uint8_t tid) 891 { 892 struct rt2860_softc *sc = ic->ic_softc; 893 uint8_t wcid = ((struct rt2860_node *)ni)->wcid; 894 uint32_t tmp; 895 896 /* update BA session mask */ 897 tmp = RAL_READ(sc, RT2860_WCID_ENTRY(wcid) + 4); 898 tmp &= ~((1 << tid) << 16); 899 RAL_WRITE(sc, RT2860_WCID_ENTRY(wcid) + 4, tmp); 900 } 901 #endif 902 903 static int 904 rt2860_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 905 { 906 struct rt2860_vap *rvp = RT2860_VAP(vap); 907 struct ieee80211com *ic = vap->iv_ic; 908 struct rt2860_softc *sc = ic->ic_softc; 909 uint32_t tmp; 910 int error; 911 912 if (vap->iv_state == IEEE80211_S_RUN) { 913 /* turn link LED off */ 914 rt2860_set_leds(sc, RT2860_LED_RADIO); 915 } 916 917 if (nstate == IEEE80211_S_INIT && vap->iv_state == IEEE80211_S_RUN) { 918 /* abort TSF synchronization */ 919 tmp = RAL_READ(sc, RT2860_BCN_TIME_CFG); 920 RAL_WRITE(sc, RT2860_BCN_TIME_CFG, 921 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 922 RT2860_TBTT_TIMER_EN)); 923 } 924 925 rt2860_set_gp_timer(sc, 0); 926 927 error = rvp->ral_newstate(vap, nstate, arg); 928 if (error != 0) 929 return (error); 930 931 if (nstate == IEEE80211_S_RUN) { 932 struct ieee80211_node *ni = vap->iv_bss; 933 934 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 935 rt2860_enable_mrr(sc); 936 rt2860_set_txpreamble(sc); 937 rt2860_set_basicrates(sc, &ni->ni_rates); 938 rt2860_set_bssid(sc, ni->ni_bssid); 939 } 940 941 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 942 vap->iv_opmode == IEEE80211_M_IBSS || 943 vap->iv_opmode == IEEE80211_M_MBSS) { 944 error = rt2860_setup_beacon(sc, vap); 945 if (error != 0) 946 return error; 947 } 948 949 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 950 rt2860_enable_tsf_sync(sc); 951 rt2860_set_gp_timer(sc, 500); 952 } 953 954 /* turn link LED on */ 955 rt2860_set_leds(sc, RT2860_LED_RADIO | 956 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ? 957 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ)); 958 } 959 return error; 960 } 961 962 /* Read 16-bit from eFUSE ROM (>=RT3071 only.) */ 963 static uint16_t 964 rt3090_efuse_read_2(struct rt2860_softc *sc, uint16_t addr) 965 { 966 uint32_t tmp; 967 uint16_t reg; 968 int ntries; 969 970 addr *= 2; 971 /*- 972 * Read one 16-byte block into registers EFUSE_DATA[0-3]: 973 * DATA0: F E D C 974 * DATA1: B A 9 8 975 * DATA2: 7 6 5 4 976 * DATA3: 3 2 1 0 977 */ 978 tmp = RAL_READ(sc, RT3070_EFUSE_CTRL); 979 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK); 980 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK; 981 RAL_WRITE(sc, RT3070_EFUSE_CTRL, tmp); 982 for (ntries = 0; ntries < 500; ntries++) { 983 tmp = RAL_READ(sc, RT3070_EFUSE_CTRL); 984 if (!(tmp & RT3070_EFSROM_KICK)) 985 break; 986 DELAY(2); 987 } 988 if (ntries == 500) 989 return 0xffff; 990 991 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) 992 return 0xffff; /* address not found */ 993 994 /* determine to which 32-bit register our 16-bit word belongs */ 995 reg = RT3070_EFUSE_DATA3 - (addr & 0xc); 996 tmp = RAL_READ(sc, reg); 997 998 return (addr & 2) ? tmp >> 16 : tmp & 0xffff; 999 } 1000 1001 /* 1002 * Read 16 bits at address 'addr' from the serial EEPROM (either 93C46, 1003 * 93C66 or 93C86). 1004 */ 1005 static uint16_t 1006 rt2860_eeprom_read_2(struct rt2860_softc *sc, uint16_t addr) 1007 { 1008 uint32_t tmp; 1009 uint16_t val; 1010 int n; 1011 1012 /* clock C once before the first command */ 1013 RT2860_EEPROM_CTL(sc, 0); 1014 1015 RT2860_EEPROM_CTL(sc, RT2860_S); 1016 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_C); 1017 RT2860_EEPROM_CTL(sc, RT2860_S); 1018 1019 /* write start bit (1) */ 1020 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D); 1021 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D | RT2860_C); 1022 1023 /* write READ opcode (10) */ 1024 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D); 1025 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D | RT2860_C); 1026 RT2860_EEPROM_CTL(sc, RT2860_S); 1027 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_C); 1028 1029 /* write address (A5-A0 or A7-A0) */ 1030 n = ((RAL_READ(sc, RT2860_PCI_EECTRL) & 0x30) == 0) ? 5 : 7; 1031 for (; n >= 0; n--) { 1032 RT2860_EEPROM_CTL(sc, RT2860_S | 1033 (((addr >> n) & 1) << RT2860_SHIFT_D)); 1034 RT2860_EEPROM_CTL(sc, RT2860_S | 1035 (((addr >> n) & 1) << RT2860_SHIFT_D) | RT2860_C); 1036 } 1037 1038 RT2860_EEPROM_CTL(sc, RT2860_S); 1039 1040 /* read data Q15-Q0 */ 1041 val = 0; 1042 for (n = 15; n >= 0; n--) { 1043 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_C); 1044 tmp = RAL_READ(sc, RT2860_PCI_EECTRL); 1045 val |= ((tmp & RT2860_Q) >> RT2860_SHIFT_Q) << n; 1046 RT2860_EEPROM_CTL(sc, RT2860_S); 1047 } 1048 1049 RT2860_EEPROM_CTL(sc, 0); 1050 1051 /* clear Chip Select and clock C */ 1052 RT2860_EEPROM_CTL(sc, RT2860_S); 1053 RT2860_EEPROM_CTL(sc, 0); 1054 RT2860_EEPROM_CTL(sc, RT2860_C); 1055 1056 return val; 1057 } 1058 1059 static __inline uint16_t 1060 rt2860_srom_read(struct rt2860_softc *sc, uint8_t addr) 1061 { 1062 /* either eFUSE ROM or EEPROM */ 1063 return sc->sc_srom_read(sc, addr); 1064 } 1065 1066 static void 1067 rt2860_intr_coherent(struct rt2860_softc *sc) 1068 { 1069 uint32_t tmp; 1070 1071 /* DMA finds data coherent event when checking the DDONE bit */ 1072 1073 DPRINTF(("Tx/Rx Coherent interrupt\n")); 1074 1075 /* restart DMA engine */ 1076 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 1077 tmp &= ~(RT2860_TX_WB_DDONE | RT2860_RX_DMA_EN | RT2860_TX_DMA_EN); 1078 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 1079 1080 (void)rt2860_txrx_enable(sc); 1081 } 1082 1083 static void 1084 rt2860_drain_stats_fifo(struct rt2860_softc *sc) 1085 { 1086 struct ieee80211_ratectl_tx_status *txs = &sc->sc_txs; 1087 struct ieee80211_node *ni; 1088 uint32_t stat; 1089 uint8_t wcid, mcs, pid; 1090 1091 /* drain Tx status FIFO (maxsize = 16) */ 1092 txs->flags = IEEE80211_RATECTL_STATUS_LONG_RETRY; 1093 while ((stat = RAL_READ(sc, RT2860_TX_STAT_FIFO)) & RT2860_TXQ_VLD) { 1094 DPRINTFN(4, ("tx stat 0x%08x\n", stat)); 1095 1096 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff; 1097 ni = sc->wcid2ni[wcid]; 1098 1099 /* if no ACK was requested, no feedback is available */ 1100 if (!(stat & RT2860_TXQ_ACKREQ) || wcid == 0xff || ni == NULL) 1101 continue; 1102 1103 /* update per-STA AMRR stats */ 1104 if (stat & RT2860_TXQ_OK) { 1105 /* 1106 * Check if there were retries, ie if the Tx success 1107 * rate is different from the requested rate. Note 1108 * that it works only because we do not allow rate 1109 * fallback from OFDM to CCK. 1110 */ 1111 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f; 1112 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf; 1113 if (mcs + 1 != pid) 1114 txs->long_retries = 1; 1115 else 1116 txs->long_retries = 0; 1117 txs->status = IEEE80211_RATECTL_TX_SUCCESS; 1118 ieee80211_ratectl_tx_complete(ni, txs); 1119 } else { 1120 txs->status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED; 1121 txs->long_retries = 1; /* XXX */ 1122 ieee80211_ratectl_tx_complete(ni, txs); 1123 if_inc_counter(ni->ni_vap->iv_ifp, 1124 IFCOUNTER_OERRORS, 1); 1125 } 1126 } 1127 } 1128 1129 static void 1130 rt2860_tx_intr(struct rt2860_softc *sc, int qid) 1131 { 1132 struct rt2860_tx_ring *ring = &sc->txq[qid]; 1133 uint32_t hw; 1134 1135 rt2860_drain_stats_fifo(sc); 1136 1137 hw = RAL_READ(sc, RT2860_TX_DTX_IDX(qid)); 1138 while (ring->next != hw) { 1139 struct rt2860_tx_data *data = ring->data[ring->next]; 1140 1141 if (data != NULL) { 1142 bus_dmamap_sync(sc->txwi_dmat, data->map, 1143 BUS_DMASYNC_POSTWRITE); 1144 bus_dmamap_unload(sc->txwi_dmat, data->map); 1145 ieee80211_tx_complete(data->ni, data->m, 0); 1146 data->ni = NULL; 1147 data->m = NULL; 1148 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 1149 ring->data[ring->next] = NULL; 1150 } 1151 ring->queued--; 1152 ring->next = (ring->next + 1) % RT2860_TX_RING_COUNT; 1153 } 1154 1155 sc->sc_tx_timer = 0; 1156 if (ring->queued < RT2860_TX_RING_COUNT) 1157 sc->qfullmsk &= ~(1 << qid); 1158 rt2860_start(sc); 1159 } 1160 1161 /* 1162 * Return the Rx chain with the highest RSSI for a given frame. 1163 */ 1164 static __inline uint8_t 1165 rt2860_maxrssi_chain(struct rt2860_softc *sc, const struct rt2860_rxwi *rxwi) 1166 { 1167 uint8_t rxchain = 0; 1168 1169 if (sc->nrxchains > 1) { 1170 if (rxwi->rssi[1] > rxwi->rssi[rxchain]) 1171 rxchain = 1; 1172 if (sc->nrxchains > 2) 1173 if (rxwi->rssi[2] > rxwi->rssi[rxchain]) 1174 rxchain = 2; 1175 } 1176 return rxchain; 1177 } 1178 1179 static void 1180 rt2860_rx_intr(struct rt2860_softc *sc) 1181 { 1182 struct rt2860_rx_radiotap_header *tap; 1183 struct ieee80211com *ic = &sc->sc_ic; 1184 struct ieee80211_frame *wh; 1185 struct ieee80211_node *ni; 1186 struct mbuf *m, *m1; 1187 bus_addr_t physaddr; 1188 uint32_t hw; 1189 uint16_t phy; 1190 uint8_t ant; 1191 int8_t rssi, nf; 1192 int error; 1193 1194 hw = RAL_READ(sc, RT2860_FS_DRX_IDX) & 0xfff; 1195 while (sc->rxq.cur != hw) { 1196 struct rt2860_rx_data *data = &sc->rxq.data[sc->rxq.cur]; 1197 struct rt2860_rxd *rxd = &sc->rxq.rxd[sc->rxq.cur]; 1198 struct rt2860_rxwi *rxwi; 1199 1200 bus_dmamap_sync(sc->rxq.desc_dmat, sc->rxq.desc_map, 1201 BUS_DMASYNC_POSTREAD); 1202 1203 if (__predict_false(!(rxd->sdl0 & htole16(RT2860_RX_DDONE)))) { 1204 DPRINTF(("RXD DDONE bit not set!\n")); 1205 break; /* should not happen */ 1206 } 1207 1208 if (__predict_false(rxd->flags & 1209 htole32(RT2860_RX_CRCERR | RT2860_RX_ICVERR))) { 1210 counter_u64_add(ic->ic_ierrors, 1); 1211 goto skip; 1212 } 1213 1214 #ifdef HW_CRYPTO 1215 if (__predict_false(rxd->flags & htole32(RT2860_RX_MICERR))) { 1216 /* report MIC failures to net80211 for TKIP */ 1217 ic->ic_stats.is_rx_locmicfail++; 1218 ieee80211_michael_mic_failure(ic, 0/* XXX */); 1219 counter_u64_add(ic->ic_ierrors, 1); 1220 goto skip; 1221 } 1222 #endif 1223 1224 m1 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1225 if (__predict_false(m1 == NULL)) { 1226 counter_u64_add(ic->ic_ierrors, 1); 1227 goto skip; 1228 } 1229 1230 bus_dmamap_sync(sc->rxq.data_dmat, data->map, 1231 BUS_DMASYNC_POSTREAD); 1232 bus_dmamap_unload(sc->rxq.data_dmat, data->map); 1233 1234 error = bus_dmamap_load(sc->rxq.data_dmat, data->map, 1235 mtod(m1, void *), MCLBYTES, rt2860_dma_map_addr, 1236 &physaddr, 0); 1237 if (__predict_false(error != 0)) { 1238 m_freem(m1); 1239 1240 /* try to reload the old mbuf */ 1241 error = bus_dmamap_load(sc->rxq.data_dmat, data->map, 1242 mtod(data->m, void *), MCLBYTES, 1243 rt2860_dma_map_addr, &physaddr, 0); 1244 if (__predict_false(error != 0)) { 1245 panic("%s: could not load old rx mbuf", 1246 device_get_name(sc->sc_dev)); 1247 } 1248 /* physical address may have changed */ 1249 rxd->sdp0 = htole32(physaddr); 1250 counter_u64_add(ic->ic_ierrors, 1); 1251 goto skip; 1252 } 1253 1254 /* 1255 * New mbuf successfully loaded, update Rx ring and continue 1256 * processing. 1257 */ 1258 m = data->m; 1259 data->m = m1; 1260 rxd->sdp0 = htole32(physaddr); 1261 1262 rxwi = mtod(m, struct rt2860_rxwi *); 1263 1264 /* finalize mbuf */ 1265 m->m_data = (caddr_t)(rxwi + 1); 1266 m->m_pkthdr.len = m->m_len = le16toh(rxwi->len) & 0xfff; 1267 1268 wh = mtod(m, struct ieee80211_frame *); 1269 #ifdef HW_CRYPTO 1270 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1271 /* frame is decrypted by hardware */ 1272 wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED; 1273 } 1274 #endif 1275 1276 /* HW may insert 2 padding bytes after 802.11 header */ 1277 if (rxd->flags & htole32(RT2860_RX_L2PAD)) { 1278 u_int hdrlen = ieee80211_hdrsize(wh); 1279 ovbcopy(wh, (caddr_t)wh + 2, hdrlen); 1280 m->m_data += 2; 1281 wh = mtod(m, struct ieee80211_frame *); 1282 } 1283 1284 ant = rt2860_maxrssi_chain(sc, rxwi); 1285 rssi = rt2860_rssi2dbm(sc, rxwi->rssi[ant], ant); 1286 nf = RT2860_NOISE_FLOOR; 1287 1288 if (ieee80211_radiotap_active(ic)) { 1289 tap = &sc->sc_rxtap; 1290 tap->wr_flags = 0; 1291 tap->wr_antenna = ant; 1292 tap->wr_antsignal = nf + rssi; 1293 tap->wr_antnoise = nf; 1294 /* in case it can't be found below */ 1295 tap->wr_rate = 2; 1296 phy = le16toh(rxwi->phy); 1297 switch (phy & RT2860_PHY_MODE) { 1298 case RT2860_PHY_CCK: 1299 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) { 1300 case 0: tap->wr_rate = 2; break; 1301 case 1: tap->wr_rate = 4; break; 1302 case 2: tap->wr_rate = 11; break; 1303 case 3: tap->wr_rate = 22; break; 1304 } 1305 if (phy & RT2860_PHY_SHPRE) 1306 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1307 break; 1308 case RT2860_PHY_OFDM: 1309 switch (phy & RT2860_PHY_MCS) { 1310 case 0: tap->wr_rate = 12; break; 1311 case 1: tap->wr_rate = 18; break; 1312 case 2: tap->wr_rate = 24; break; 1313 case 3: tap->wr_rate = 36; break; 1314 case 4: tap->wr_rate = 48; break; 1315 case 5: tap->wr_rate = 72; break; 1316 case 6: tap->wr_rate = 96; break; 1317 case 7: tap->wr_rate = 108; break; 1318 } 1319 break; 1320 } 1321 } 1322 1323 RAL_UNLOCK(sc); 1324 wh = mtod(m, struct ieee80211_frame *); 1325 1326 /* send the frame to the 802.11 layer */ 1327 ni = ieee80211_find_rxnode(ic, 1328 (struct ieee80211_frame_min *)wh); 1329 if (ni != NULL) { 1330 (void)ieee80211_input(ni, m, rssi - nf, nf); 1331 ieee80211_free_node(ni); 1332 } else 1333 (void)ieee80211_input_all(ic, m, rssi - nf, nf); 1334 1335 RAL_LOCK(sc); 1336 1337 skip: rxd->sdl0 &= ~htole16(RT2860_RX_DDONE); 1338 1339 bus_dmamap_sync(sc->rxq.desc_dmat, sc->rxq.desc_map, 1340 BUS_DMASYNC_PREWRITE); 1341 1342 sc->rxq.cur = (sc->rxq.cur + 1) % RT2860_RX_RING_COUNT; 1343 } 1344 1345 /* tell HW what we have processed */ 1346 RAL_WRITE(sc, RT2860_RX_CALC_IDX, 1347 (sc->rxq.cur - 1) % RT2860_RX_RING_COUNT); 1348 } 1349 1350 static void 1351 rt2860_tbtt_intr(struct rt2860_softc *sc) 1352 { 1353 #if 0 1354 struct ieee80211com *ic = &sc->sc_ic; 1355 1356 #ifndef IEEE80211_STA_ONLY 1357 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 1358 /* one less beacon until next DTIM */ 1359 if (ic->ic_dtim_count == 0) 1360 ic->ic_dtim_count = ic->ic_dtim_period - 1; 1361 else 1362 ic->ic_dtim_count--; 1363 1364 /* update dynamic parts of beacon */ 1365 rt2860_setup_beacon(sc); 1366 1367 /* flush buffered multicast frames */ 1368 if (ic->ic_dtim_count == 0) 1369 ieee80211_notify_dtim(ic); 1370 } 1371 #endif 1372 /* check if protection mode has changed */ 1373 if ((sc->sc_ic_flags ^ ic->ic_flags) & IEEE80211_F_USEPROT) { 1374 rt2860_updateprot(sc); 1375 sc->sc_ic_flags = ic->ic_flags; 1376 } 1377 #endif 1378 } 1379 1380 static void 1381 rt2860_gp_intr(struct rt2860_softc *sc) 1382 { 1383 struct ieee80211com *ic = &sc->sc_ic; 1384 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1385 1386 DPRINTFN(2, ("GP timeout state=%d\n", vap->iv_state)); 1387 1388 if (vap->iv_state == IEEE80211_S_RUN) 1389 rt2860_updatestats(sc); 1390 } 1391 1392 void 1393 rt2860_intr(void *arg) 1394 { 1395 struct rt2860_softc *sc = arg; 1396 uint32_t r; 1397 1398 RAL_LOCK(sc); 1399 1400 r = RAL_READ(sc, RT2860_INT_STATUS); 1401 if (__predict_false(r == 0xffffffff)) { 1402 RAL_UNLOCK(sc); 1403 return; /* device likely went away */ 1404 } 1405 if (r == 0) { 1406 RAL_UNLOCK(sc); 1407 return; /* not for us */ 1408 } 1409 1410 /* acknowledge interrupts */ 1411 RAL_WRITE(sc, RT2860_INT_STATUS, r); 1412 1413 if (r & RT2860_TX_RX_COHERENT) 1414 rt2860_intr_coherent(sc); 1415 1416 if (r & RT2860_MAC_INT_2) /* TX status */ 1417 rt2860_drain_stats_fifo(sc); 1418 1419 if (r & RT2860_TX_DONE_INT5) 1420 rt2860_tx_intr(sc, 5); 1421 1422 if (r & RT2860_RX_DONE_INT) 1423 rt2860_rx_intr(sc); 1424 1425 if (r & RT2860_TX_DONE_INT4) 1426 rt2860_tx_intr(sc, 4); 1427 1428 if (r & RT2860_TX_DONE_INT3) 1429 rt2860_tx_intr(sc, 3); 1430 1431 if (r & RT2860_TX_DONE_INT2) 1432 rt2860_tx_intr(sc, 2); 1433 1434 if (r & RT2860_TX_DONE_INT1) 1435 rt2860_tx_intr(sc, 1); 1436 1437 if (r & RT2860_TX_DONE_INT0) 1438 rt2860_tx_intr(sc, 0); 1439 1440 if (r & RT2860_MAC_INT_0) /* TBTT */ 1441 rt2860_tbtt_intr(sc); 1442 1443 if (r & RT2860_MAC_INT_3) /* Auto wakeup */ 1444 /* TBD wakeup */; 1445 1446 if (r & RT2860_MAC_INT_4) /* GP timer */ 1447 rt2860_gp_intr(sc); 1448 1449 RAL_UNLOCK(sc); 1450 } 1451 1452 static int 1453 rt2860_tx(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 1454 { 1455 struct ieee80211com *ic = &sc->sc_ic; 1456 struct ieee80211vap *vap = ni->ni_vap; 1457 struct rt2860_tx_ring *ring; 1458 struct rt2860_tx_data *data; 1459 struct rt2860_txd *txd; 1460 struct rt2860_txwi *txwi; 1461 struct ieee80211_frame *wh; 1462 const struct ieee80211_txparam *tp = ni->ni_txparms; 1463 struct ieee80211_key *k; 1464 struct mbuf *m1; 1465 bus_dma_segment_t segs[RT2860_MAX_SCATTER]; 1466 bus_dma_segment_t *seg; 1467 u_int hdrlen; 1468 uint16_t qos, dur; 1469 uint8_t type, qsel, mcs, pid, tid, qid; 1470 int i, nsegs, ntxds, pad, rate, ridx, error; 1471 1472 /* the data pool contains at least one element, pick the first */ 1473 data = SLIST_FIRST(&sc->data_pool); 1474 1475 wh = mtod(m, struct ieee80211_frame *); 1476 1477 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1478 k = ieee80211_crypto_encap(ni, m); 1479 if (k == NULL) { 1480 m_freem(m); 1481 return ENOBUFS; 1482 } 1483 1484 /* packet header may have moved, reset our local pointer */ 1485 wh = mtod(m, struct ieee80211_frame *); 1486 } 1487 1488 hdrlen = ieee80211_anyhdrsize(wh); 1489 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1490 1491 if (m->m_flags & M_EAPOL) { 1492 rate = tp->mgmtrate; 1493 } else if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1494 rate = tp->mcastrate; 1495 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 1496 rate = tp->ucastrate; 1497 } else { 1498 (void) ieee80211_ratectl_rate(ni, NULL, 0); 1499 rate = ni->ni_txrate; 1500 } 1501 rate &= IEEE80211_RATE_VAL; 1502 1503 qid = M_WME_GETAC(m); 1504 if (IEEE80211_QOS_HAS_SEQ(wh)) { 1505 qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 1506 tid = qos & IEEE80211_QOS_TID; 1507 } else { 1508 qos = 0; 1509 tid = 0; 1510 } 1511 ring = &sc->txq[qid]; 1512 ridx = ieee80211_legacy_rate_lookup(ic->ic_rt, rate); 1513 1514 /* get MCS code from rate index */ 1515 mcs = rt2860_rates[ridx].mcs; 1516 1517 /* setup TX Wireless Information */ 1518 txwi = data->txwi; 1519 txwi->flags = 0; 1520 /* let HW generate seq numbers for non-QoS frames */ 1521 txwi->xflags = qos ? 0 : RT2860_TX_NSEQ; 1522 if (type == IEEE80211_FC0_TYPE_DATA) 1523 txwi->wcid = IEEE80211_AID(ni->ni_associd); 1524 else 1525 txwi->wcid = 0xff; 1526 txwi->len = htole16(m->m_pkthdr.len); 1527 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) { 1528 txwi->phy = htole16(RT2860_PHY_CCK); 1529 if (ridx != RT2860_RIDX_CCK1 && 1530 (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1531 mcs |= RT2860_PHY_SHPRE; 1532 } else 1533 txwi->phy = htole16(RT2860_PHY_OFDM); 1534 txwi->phy |= htole16(mcs); 1535 1536 /* 1537 * We store the MCS code into the driver-private PacketID field. 1538 * The PacketID is latched into TX_STAT_FIFO when Tx completes so 1539 * that we know at which initial rate the frame was transmitted. 1540 * We add 1 to the MCS code because setting the PacketID field to 1541 * 0 means that we don't want feedback in TX_STAT_FIFO. 1542 */ 1543 pid = (mcs + 1) & 0xf; 1544 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT); 1545 1546 /* check if RTS/CTS or CTS-to-self protection is required */ 1547 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1548 (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold || 1549 ((ic->ic_flags & IEEE80211_F_USEPROT) && 1550 rt2860_rates[ridx].phy == IEEE80211_T_OFDM))) 1551 txwi->txop = RT2860_TX_TXOP_HT; 1552 else 1553 txwi->txop = RT2860_TX_TXOP_BACKOFF; 1554 1555 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1556 (!qos || (qos & IEEE80211_QOS_ACKPOLICY) != 1557 IEEE80211_QOS_ACKPOLICY_NOACK)) { 1558 txwi->xflags |= RT2860_TX_ACK; 1559 1560 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1561 dur = rt2860_rates[ridx].sp_ack_dur; 1562 else 1563 dur = rt2860_rates[ridx].lp_ack_dur; 1564 *(uint16_t *)wh->i_dur = htole16(dur); 1565 } 1566 /* ask MAC to insert timestamp into probe responses */ 1567 if ((wh->i_fc[0] & 1568 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 1569 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 1570 /* NOTE: beacons do not pass through tx_data() */ 1571 txwi->flags |= RT2860_TX_TS; 1572 1573 if (ieee80211_radiotap_active_vap(vap)) { 1574 struct rt2860_tx_radiotap_header *tap = &sc->sc_txtap; 1575 1576 tap->wt_flags = 0; 1577 tap->wt_rate = rate; 1578 if (mcs & RT2860_PHY_SHPRE) 1579 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1580 1581 ieee80211_radiotap_tx(vap, m); 1582 } 1583 1584 pad = (hdrlen + 3) & ~3; 1585 1586 /* copy and trim 802.11 header */ 1587 memcpy(txwi + 1, wh, hdrlen); 1588 m_adj(m, hdrlen); 1589 1590 error = bus_dmamap_load_mbuf_sg(sc->txwi_dmat, data->map, m, segs, 1591 &nsegs, 0); 1592 if (__predict_false(error != 0 && error != EFBIG)) { 1593 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n", 1594 error); 1595 m_freem(m); 1596 return error; 1597 } 1598 if (__predict_true(error == 0)) { 1599 /* determine how many TXDs are required */ 1600 ntxds = 1 + (nsegs / 2); 1601 1602 if (ring->queued + ntxds >= RT2860_TX_RING_COUNT) { 1603 /* not enough free TXDs, force mbuf defrag */ 1604 bus_dmamap_unload(sc->txwi_dmat, data->map); 1605 error = EFBIG; 1606 } 1607 } 1608 if (__predict_false(error != 0)) { 1609 m1 = m_defrag(m, M_NOWAIT); 1610 if (m1 == NULL) { 1611 device_printf(sc->sc_dev, 1612 "could not defragment mbuf\n"); 1613 m_freem(m); 1614 return ENOBUFS; 1615 } 1616 m = m1; 1617 1618 error = bus_dmamap_load_mbuf_sg(sc->txwi_dmat, data->map, m, 1619 segs, &nsegs, 0); 1620 if (__predict_false(error != 0)) { 1621 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n", 1622 error); 1623 m_freem(m); 1624 return error; 1625 } 1626 1627 /* determine how many TXDs are now required */ 1628 ntxds = 1 + (nsegs / 2); 1629 1630 if (ring->queued + ntxds >= RT2860_TX_RING_COUNT) { 1631 /* this is a hopeless case, drop the mbuf! */ 1632 bus_dmamap_unload(sc->txwi_dmat, data->map); 1633 m_freem(m); 1634 return ENOBUFS; 1635 } 1636 } 1637 1638 qsel = (qid < WME_NUM_AC) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_MGMT; 1639 1640 /* first segment is TXWI + 802.11 header */ 1641 txd = &ring->txd[ring->cur]; 1642 txd->sdp0 = htole32(data->paddr); 1643 txd->sdl0 = htole16(sizeof (struct rt2860_txwi) + pad); 1644 txd->flags = qsel; 1645 1646 /* setup payload segments */ 1647 seg = &segs[0]; 1648 for (i = nsegs; i >= 2; i -= 2) { 1649 txd->sdp1 = htole32(seg->ds_addr); 1650 txd->sdl1 = htole16(seg->ds_len); 1651 seg++; 1652 ring->cur = (ring->cur + 1) % RT2860_TX_RING_COUNT; 1653 /* grab a new Tx descriptor */ 1654 txd = &ring->txd[ring->cur]; 1655 txd->sdp0 = htole32(seg->ds_addr); 1656 txd->sdl0 = htole16(seg->ds_len); 1657 txd->flags = qsel; 1658 seg++; 1659 } 1660 /* finalize last segment */ 1661 if (i > 0) { 1662 txd->sdp1 = htole32(seg->ds_addr); 1663 txd->sdl1 = htole16(seg->ds_len | RT2860_TX_LS1); 1664 } else { 1665 txd->sdl0 |= htole16(RT2860_TX_LS0); 1666 txd->sdl1 = 0; 1667 } 1668 1669 /* remove from the free pool and link it into the SW Tx slot */ 1670 SLIST_REMOVE_HEAD(&sc->data_pool, next); 1671 data->m = m; 1672 data->ni = ni; 1673 ring->data[ring->cur] = data; 1674 1675 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, BUS_DMASYNC_PREWRITE); 1676 bus_dmamap_sync(sc->txwi_dmat, data->map, BUS_DMASYNC_PREWRITE); 1677 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 1678 1679 DPRINTFN(4, ("sending frame qid=%d wcid=%d nsegs=%d ridx=%d\n", 1680 qid, txwi->wcid, nsegs, ridx)); 1681 1682 ring->cur = (ring->cur + 1) % RT2860_TX_RING_COUNT; 1683 ring->queued += ntxds; 1684 if (ring->queued >= RT2860_TX_RING_COUNT) 1685 sc->qfullmsk |= 1 << qid; 1686 1687 /* kick Tx */ 1688 RAL_WRITE(sc, RT2860_TX_CTX_IDX(qid), ring->cur); 1689 1690 return 0; 1691 } 1692 1693 static int 1694 rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 1695 const struct ieee80211_bpf_params *params) 1696 { 1697 struct ieee80211com *ic = ni->ni_ic; 1698 struct rt2860_softc *sc = ic->ic_softc; 1699 int error; 1700 1701 RAL_LOCK(sc); 1702 1703 /* prevent management frames from being sent if we're not ready */ 1704 if (!(sc->sc_flags & RT2860_RUNNING)) { 1705 RAL_UNLOCK(sc); 1706 m_freem(m); 1707 return ENETDOWN; 1708 } 1709 if (params == NULL) { 1710 /* 1711 * Legacy path; interpret frame contents to decide 1712 * precisely how to send the frame. 1713 */ 1714 error = rt2860_tx(sc, m, ni); 1715 } else { 1716 /* 1717 * Caller supplied explicit parameters to use in 1718 * sending the frame. 1719 */ 1720 error = rt2860_tx_raw(sc, m, ni, params); 1721 } 1722 sc->sc_tx_timer = 5; 1723 RAL_UNLOCK(sc); 1724 return error; 1725 } 1726 1727 static int 1728 rt2860_tx_raw(struct rt2860_softc *sc, struct mbuf *m, 1729 struct ieee80211_node *ni, const struct ieee80211_bpf_params *params) 1730 { 1731 struct ieee80211com *ic = &sc->sc_ic; 1732 struct ieee80211vap *vap = ni->ni_vap; 1733 struct rt2860_tx_ring *ring; 1734 struct rt2860_tx_data *data; 1735 struct rt2860_txd *txd; 1736 struct rt2860_txwi *txwi; 1737 struct ieee80211_frame *wh; 1738 struct mbuf *m1; 1739 bus_dma_segment_t segs[RT2860_MAX_SCATTER]; 1740 bus_dma_segment_t *seg; 1741 u_int hdrlen; 1742 uint16_t dur; 1743 uint8_t type, qsel, mcs, pid, tid, qid; 1744 int i, nsegs, ntxds, pad, rate, ridx, error; 1745 1746 /* the data pool contains at least one element, pick the first */ 1747 data = SLIST_FIRST(&sc->data_pool); 1748 1749 wh = mtod(m, struct ieee80211_frame *); 1750 hdrlen = ieee80211_hdrsize(wh); 1751 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1752 1753 /* Choose a TX rate index. */ 1754 rate = params->ibp_rate0; 1755 ridx = ieee80211_legacy_rate_lookup(ic->ic_rt, 1756 rate & IEEE80211_RATE_VAL); 1757 if (ridx == (uint8_t)-1) { 1758 /* XXX fall back to mcast/mgmt rate? */ 1759 m_freem(m); 1760 return EINVAL; 1761 } 1762 1763 qid = params->ibp_pri & 3; 1764 tid = 0; 1765 ring = &sc->txq[qid]; 1766 1767 /* get MCS code from rate index */ 1768 mcs = rt2860_rates[ridx].mcs; 1769 1770 /* setup TX Wireless Information */ 1771 txwi = data->txwi; 1772 txwi->flags = 0; 1773 /* let HW generate seq numbers for non-QoS frames */ 1774 txwi->xflags = params->ibp_pri & 3 ? 0 : RT2860_TX_NSEQ; 1775 txwi->wcid = 0xff; 1776 txwi->len = htole16(m->m_pkthdr.len); 1777 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) { 1778 txwi->phy = htole16(RT2860_PHY_CCK); 1779 if (ridx != RT2860_RIDX_CCK1 && 1780 (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1781 mcs |= RT2860_PHY_SHPRE; 1782 } else 1783 txwi->phy = htole16(RT2860_PHY_OFDM); 1784 txwi->phy |= htole16(mcs); 1785 1786 /* 1787 * We store the MCS code into the driver-private PacketID field. 1788 * The PacketID is latched into TX_STAT_FIFO when Tx completes so 1789 * that we know at which initial rate the frame was transmitted. 1790 * We add 1 to the MCS code because setting the PacketID field to 1791 * 0 means that we don't want feedback in TX_STAT_FIFO. 1792 */ 1793 pid = (mcs + 1) & 0xf; 1794 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT); 1795 1796 /* check if RTS/CTS or CTS-to-self protection is required */ 1797 if (params->ibp_flags & IEEE80211_BPF_RTS || 1798 params->ibp_flags & IEEE80211_BPF_CTS) 1799 txwi->txop = RT2860_TX_TXOP_HT; 1800 else 1801 txwi->txop = RT2860_TX_TXOP_BACKOFF; 1802 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) { 1803 txwi->xflags |= RT2860_TX_ACK; 1804 1805 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1806 dur = rt2860_rates[ridx].sp_ack_dur; 1807 else 1808 dur = rt2860_rates[ridx].lp_ack_dur; 1809 *(uint16_t *)wh->i_dur = htole16(dur); 1810 } 1811 /* ask MAC to insert timestamp into probe responses */ 1812 if ((wh->i_fc[0] & 1813 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 1814 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 1815 /* NOTE: beacons do not pass through tx_data() */ 1816 txwi->flags |= RT2860_TX_TS; 1817 1818 if (ieee80211_radiotap_active_vap(vap)) { 1819 struct rt2860_tx_radiotap_header *tap = &sc->sc_txtap; 1820 1821 tap->wt_flags = 0; 1822 tap->wt_rate = rate; 1823 if (mcs & RT2860_PHY_SHPRE) 1824 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1825 1826 ieee80211_radiotap_tx(vap, m); 1827 } 1828 1829 pad = (hdrlen + 3) & ~3; 1830 1831 /* copy and trim 802.11 header */ 1832 memcpy(txwi + 1, wh, hdrlen); 1833 m_adj(m, hdrlen); 1834 1835 error = bus_dmamap_load_mbuf_sg(sc->txwi_dmat, data->map, m, segs, 1836 &nsegs, 0); 1837 if (__predict_false(error != 0 && error != EFBIG)) { 1838 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n", 1839 error); 1840 m_freem(m); 1841 return error; 1842 } 1843 if (__predict_true(error == 0)) { 1844 /* determine how many TXDs are required */ 1845 ntxds = 1 + (nsegs / 2); 1846 1847 if (ring->queued + ntxds >= RT2860_TX_RING_COUNT) { 1848 /* not enough free TXDs, force mbuf defrag */ 1849 bus_dmamap_unload(sc->txwi_dmat, data->map); 1850 error = EFBIG; 1851 } 1852 } 1853 if (__predict_false(error != 0)) { 1854 m1 = m_defrag(m, M_NOWAIT); 1855 if (m1 == NULL) { 1856 device_printf(sc->sc_dev, 1857 "could not defragment mbuf\n"); 1858 m_freem(m); 1859 return ENOBUFS; 1860 } 1861 m = m1; 1862 1863 error = bus_dmamap_load_mbuf_sg(sc->txwi_dmat, data->map, m, 1864 segs, &nsegs, 0); 1865 if (__predict_false(error != 0)) { 1866 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n", 1867 error); 1868 m_freem(m); 1869 return error; 1870 } 1871 1872 /* determine how many TXDs are now required */ 1873 ntxds = 1 + (nsegs / 2); 1874 1875 if (ring->queued + ntxds >= RT2860_TX_RING_COUNT) { 1876 /* this is a hopeless case, drop the mbuf! */ 1877 bus_dmamap_unload(sc->txwi_dmat, data->map); 1878 m_freem(m); 1879 return ENOBUFS; 1880 } 1881 } 1882 1883 qsel = (qid < WME_NUM_AC) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_MGMT; 1884 1885 /* first segment is TXWI + 802.11 header */ 1886 txd = &ring->txd[ring->cur]; 1887 txd->sdp0 = htole32(data->paddr); 1888 txd->sdl0 = htole16(sizeof (struct rt2860_txwi) + pad); 1889 txd->flags = qsel; 1890 1891 /* setup payload segments */ 1892 seg = &segs[0]; 1893 for (i = nsegs; i >= 2; i -= 2) { 1894 txd->sdp1 = htole32(seg->ds_addr); 1895 txd->sdl1 = htole16(seg->ds_len); 1896 seg++; 1897 ring->cur = (ring->cur + 1) % RT2860_TX_RING_COUNT; 1898 /* grab a new Tx descriptor */ 1899 txd = &ring->txd[ring->cur]; 1900 txd->sdp0 = htole32(seg->ds_addr); 1901 txd->sdl0 = htole16(seg->ds_len); 1902 txd->flags = qsel; 1903 seg++; 1904 } 1905 /* finalize last segment */ 1906 if (i > 0) { 1907 txd->sdp1 = htole32(seg->ds_addr); 1908 txd->sdl1 = htole16(seg->ds_len | RT2860_TX_LS1); 1909 } else { 1910 txd->sdl0 |= htole16(RT2860_TX_LS0); 1911 txd->sdl1 = 0; 1912 } 1913 1914 /* remove from the free pool and link it into the SW Tx slot */ 1915 SLIST_REMOVE_HEAD(&sc->data_pool, next); 1916 data->m = m; 1917 data->ni = ni; 1918 ring->data[ring->cur] = data; 1919 1920 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, BUS_DMASYNC_PREWRITE); 1921 bus_dmamap_sync(sc->txwi_dmat, data->map, BUS_DMASYNC_PREWRITE); 1922 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 1923 1924 DPRINTFN(4, ("sending frame qid=%d wcid=%d nsegs=%d ridx=%d\n", 1925 qid, txwi->wcid, nsegs, ridx)); 1926 1927 ring->cur = (ring->cur + 1) % RT2860_TX_RING_COUNT; 1928 ring->queued += ntxds; 1929 if (ring->queued >= RT2860_TX_RING_COUNT) 1930 sc->qfullmsk |= 1 << qid; 1931 1932 /* kick Tx */ 1933 RAL_WRITE(sc, RT2860_TX_CTX_IDX(qid), ring->cur); 1934 1935 return 0; 1936 } 1937 1938 static int 1939 rt2860_transmit(struct ieee80211com *ic, struct mbuf *m) 1940 { 1941 struct rt2860_softc *sc = ic->ic_softc; 1942 int error; 1943 1944 RAL_LOCK(sc); 1945 if ((sc->sc_flags & RT2860_RUNNING) == 0) { 1946 RAL_UNLOCK(sc); 1947 return (ENXIO); 1948 } 1949 error = mbufq_enqueue(&sc->sc_snd, m); 1950 if (error) { 1951 RAL_UNLOCK(sc); 1952 return (error); 1953 } 1954 rt2860_start(sc); 1955 RAL_UNLOCK(sc); 1956 1957 return (0); 1958 } 1959 1960 static void 1961 rt2860_start(struct rt2860_softc *sc) 1962 { 1963 struct ieee80211_node *ni; 1964 struct mbuf *m; 1965 1966 RAL_LOCK_ASSERT(sc); 1967 1968 if ((sc->sc_flags & RT2860_RUNNING) == 0) 1969 return; 1970 1971 while (!SLIST_EMPTY(&sc->data_pool) && sc->qfullmsk == 0 && 1972 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1973 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1974 if (rt2860_tx(sc, m, ni) != 0) { 1975 if_inc_counter(ni->ni_vap->iv_ifp, 1976 IFCOUNTER_OERRORS, 1); 1977 ieee80211_free_node(ni); 1978 continue; 1979 } 1980 sc->sc_tx_timer = 5; 1981 } 1982 } 1983 1984 static void 1985 rt2860_watchdog(void *arg) 1986 { 1987 struct rt2860_softc *sc = arg; 1988 1989 RAL_LOCK_ASSERT(sc); 1990 1991 KASSERT(sc->sc_flags & RT2860_RUNNING, ("not running")); 1992 1993 if (sc->sc_invalid) /* card ejected */ 1994 return; 1995 1996 if (sc->sc_tx_timer > 0 && --sc->sc_tx_timer == 0) { 1997 device_printf(sc->sc_dev, "device timeout\n"); 1998 rt2860_stop_locked(sc); 1999 rt2860_init_locked(sc); 2000 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 2001 return; 2002 } 2003 callout_reset(&sc->watchdog_ch, hz, rt2860_watchdog, sc); 2004 } 2005 2006 static void 2007 rt2860_parent(struct ieee80211com *ic) 2008 { 2009 struct rt2860_softc *sc = ic->ic_softc; 2010 int startall = 0; 2011 2012 RAL_LOCK(sc); 2013 if (ic->ic_nrunning> 0) { 2014 if (!(sc->sc_flags & RT2860_RUNNING)) { 2015 rt2860_init_locked(sc); 2016 startall = 1; 2017 } else 2018 rt2860_update_promisc(ic); 2019 } else if (sc->sc_flags & RT2860_RUNNING) 2020 rt2860_stop_locked(sc); 2021 RAL_UNLOCK(sc); 2022 if (startall) 2023 ieee80211_start_all(ic); 2024 } 2025 2026 /* 2027 * Reading and writing from/to the BBP is different from RT2560 and RT2661. 2028 * We access the BBP through the 8051 microcontroller unit which means that 2029 * the microcode must be loaded first. 2030 */ 2031 void 2032 rt2860_mcu_bbp_write(struct rt2860_softc *sc, uint8_t reg, uint8_t val) 2033 { 2034 int ntries; 2035 2036 for (ntries = 0; ntries < 100; ntries++) { 2037 if (!(RAL_READ(sc, RT2860_H2M_BBPAGENT) & RT2860_BBP_CSR_KICK)) 2038 break; 2039 DELAY(1); 2040 } 2041 if (ntries == 100) { 2042 device_printf(sc->sc_dev, 2043 "could not write to BBP through MCU\n"); 2044 return; 2045 } 2046 2047 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, RT2860_BBP_RW_PARALLEL | 2048 RT2860_BBP_CSR_KICK | reg << 8 | val); 2049 RAL_BARRIER_WRITE(sc); 2050 2051 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_BBP, 0, 0); 2052 DELAY(1000); 2053 } 2054 2055 uint8_t 2056 rt2860_mcu_bbp_read(struct rt2860_softc *sc, uint8_t reg) 2057 { 2058 uint32_t val; 2059 int ntries; 2060 2061 for (ntries = 0; ntries < 100; ntries++) { 2062 if (!(RAL_READ(sc, RT2860_H2M_BBPAGENT) & RT2860_BBP_CSR_KICK)) 2063 break; 2064 DELAY(1); 2065 } 2066 if (ntries == 100) { 2067 device_printf(sc->sc_dev, 2068 "could not read from BBP through MCU\n"); 2069 return 0; 2070 } 2071 2072 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, RT2860_BBP_RW_PARALLEL | 2073 RT2860_BBP_CSR_KICK | RT2860_BBP_CSR_READ | reg << 8); 2074 RAL_BARRIER_WRITE(sc); 2075 2076 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_BBP, 0, 0); 2077 DELAY(1000); 2078 2079 for (ntries = 0; ntries < 100; ntries++) { 2080 val = RAL_READ(sc, RT2860_H2M_BBPAGENT); 2081 if (!(val & RT2860_BBP_CSR_KICK)) 2082 return val & 0xff; 2083 DELAY(1); 2084 } 2085 device_printf(sc->sc_dev, "could not read from BBP through MCU\n"); 2086 2087 return 0; 2088 } 2089 2090 /* 2091 * Write to one of the 4 programmable 24-bit RF registers. 2092 */ 2093 static void 2094 rt2860_rf_write(struct rt2860_softc *sc, uint8_t reg, uint32_t val) 2095 { 2096 uint32_t tmp; 2097 int ntries; 2098 2099 for (ntries = 0; ntries < 100; ntries++) { 2100 if (!(RAL_READ(sc, RT2860_RF_CSR_CFG0) & RT2860_RF_REG_CTRL)) 2101 break; 2102 DELAY(1); 2103 } 2104 if (ntries == 100) { 2105 device_printf(sc->sc_dev, "could not write to RF\n"); 2106 return; 2107 } 2108 2109 /* RF registers are 24-bit on the RT2860 */ 2110 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT | 2111 (val & 0x3fffff) << 2 | (reg & 3); 2112 RAL_WRITE(sc, RT2860_RF_CSR_CFG0, tmp); 2113 } 2114 2115 static uint8_t 2116 rt3090_rf_read(struct rt2860_softc *sc, uint8_t reg) 2117 { 2118 uint32_t tmp; 2119 int ntries; 2120 2121 for (ntries = 0; ntries < 100; ntries++) { 2122 if (!(RAL_READ(sc, RT3070_RF_CSR_CFG) & RT3070_RF_KICK)) 2123 break; 2124 DELAY(1); 2125 } 2126 if (ntries == 100) { 2127 device_printf(sc->sc_dev, "could not read RF register\n"); 2128 return 0xff; 2129 } 2130 tmp = RT3070_RF_KICK | reg << 8; 2131 RAL_WRITE(sc, RT3070_RF_CSR_CFG, tmp); 2132 2133 for (ntries = 0; ntries < 100; ntries++) { 2134 tmp = RAL_READ(sc, RT3070_RF_CSR_CFG); 2135 if (!(tmp & RT3070_RF_KICK)) 2136 break; 2137 DELAY(1); 2138 } 2139 if (ntries == 100) { 2140 device_printf(sc->sc_dev, "could not read RF register\n"); 2141 return 0xff; 2142 } 2143 return tmp & 0xff; 2144 } 2145 2146 void 2147 rt3090_rf_write(struct rt2860_softc *sc, uint8_t reg, uint8_t val) 2148 { 2149 uint32_t tmp; 2150 int ntries; 2151 2152 for (ntries = 0; ntries < 10; ntries++) { 2153 if (!(RAL_READ(sc, RT3070_RF_CSR_CFG) & RT3070_RF_KICK)) 2154 break; 2155 DELAY(10); 2156 } 2157 if (ntries == 10) { 2158 device_printf(sc->sc_dev, "could not write to RF\n"); 2159 return; 2160 } 2161 2162 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val; 2163 RAL_WRITE(sc, RT3070_RF_CSR_CFG, tmp); 2164 } 2165 2166 /* 2167 * Send a command to the 8051 microcontroller unit. 2168 */ 2169 int 2170 rt2860_mcu_cmd(struct rt2860_softc *sc, uint8_t cmd, uint16_t arg, int wait) 2171 { 2172 int slot, ntries; 2173 uint32_t tmp; 2174 uint8_t cid; 2175 2176 for (ntries = 0; ntries < 100; ntries++) { 2177 if (!(RAL_READ(sc, RT2860_H2M_MAILBOX) & RT2860_H2M_BUSY)) 2178 break; 2179 DELAY(2); 2180 } 2181 if (ntries == 100) 2182 return EIO; 2183 2184 cid = wait ? cmd : RT2860_TOKEN_NO_INTR; 2185 RAL_WRITE(sc, RT2860_H2M_MAILBOX, RT2860_H2M_BUSY | cid << 16 | arg); 2186 RAL_BARRIER_WRITE(sc); 2187 RAL_WRITE(sc, RT2860_HOST_CMD, cmd); 2188 2189 if (!wait) 2190 return 0; 2191 /* wait for the command to complete */ 2192 for (ntries = 0; ntries < 200; ntries++) { 2193 tmp = RAL_READ(sc, RT2860_H2M_MAILBOX_CID); 2194 /* find the command slot */ 2195 for (slot = 0; slot < 4; slot++, tmp >>= 8) 2196 if ((tmp & 0xff) == cid) 2197 break; 2198 if (slot < 4) 2199 break; 2200 DELAY(100); 2201 } 2202 if (ntries == 200) { 2203 /* clear command and status */ 2204 RAL_WRITE(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 2205 RAL_WRITE(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 2206 return ETIMEDOUT; 2207 } 2208 /* get command status (1 means success) */ 2209 tmp = RAL_READ(sc, RT2860_H2M_MAILBOX_STATUS); 2210 tmp = (tmp >> (slot * 8)) & 0xff; 2211 DPRINTF(("MCU command=0x%02x slot=%d status=0x%02x\n", 2212 cmd, slot, tmp)); 2213 /* clear command and status */ 2214 RAL_WRITE(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 2215 RAL_WRITE(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 2216 return (tmp == 1) ? 0 : EIO; 2217 } 2218 2219 static void 2220 rt2860_enable_mrr(struct rt2860_softc *sc) 2221 { 2222 #define CCK(mcs) (mcs) 2223 #define OFDM(mcs) (1 << 3 | (mcs)) 2224 RAL_WRITE(sc, RT2860_LG_FBK_CFG0, 2225 OFDM(6) << 28 | /* 54->48 */ 2226 OFDM(5) << 24 | /* 48->36 */ 2227 OFDM(4) << 20 | /* 36->24 */ 2228 OFDM(3) << 16 | /* 24->18 */ 2229 OFDM(2) << 12 | /* 18->12 */ 2230 OFDM(1) << 8 | /* 12-> 9 */ 2231 OFDM(0) << 4 | /* 9-> 6 */ 2232 OFDM(0)); /* 6-> 6 */ 2233 2234 RAL_WRITE(sc, RT2860_LG_FBK_CFG1, 2235 CCK(2) << 12 | /* 11->5.5 */ 2236 CCK(1) << 8 | /* 5.5-> 2 */ 2237 CCK(0) << 4 | /* 2-> 1 */ 2238 CCK(0)); /* 1-> 1 */ 2239 #undef OFDM 2240 #undef CCK 2241 } 2242 2243 static void 2244 rt2860_set_txpreamble(struct rt2860_softc *sc) 2245 { 2246 struct ieee80211com *ic = &sc->sc_ic; 2247 uint32_t tmp; 2248 2249 tmp = RAL_READ(sc, RT2860_AUTO_RSP_CFG); 2250 tmp &= ~RT2860_CCK_SHORT_EN; 2251 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 2252 tmp |= RT2860_CCK_SHORT_EN; 2253 RAL_WRITE(sc, RT2860_AUTO_RSP_CFG, tmp); 2254 } 2255 2256 void 2257 rt2860_set_basicrates(struct rt2860_softc *sc, 2258 const struct ieee80211_rateset *rs) 2259 { 2260 struct ieee80211com *ic = &sc->sc_ic; 2261 uint32_t mask = 0; 2262 uint8_t rate; 2263 int i; 2264 2265 for (i = 0; i < rs->rs_nrates; i++) { 2266 rate = rs->rs_rates[i]; 2267 2268 if (!(rate & IEEE80211_RATE_BASIC)) 2269 continue; 2270 2271 mask |= 1 << ieee80211_legacy_rate_lookup(ic->ic_rt, 2272 IEEE80211_RV(rate)); 2273 } 2274 2275 RAL_WRITE(sc, RT2860_LEGACY_BASIC_RATE, mask); 2276 } 2277 2278 static void 2279 rt2860_scan_start(struct ieee80211com *ic) 2280 { 2281 struct rt2860_softc *sc = ic->ic_softc; 2282 uint32_t tmp; 2283 2284 tmp = RAL_READ(sc, RT2860_BCN_TIME_CFG); 2285 RAL_WRITE(sc, RT2860_BCN_TIME_CFG, 2286 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 2287 RT2860_TBTT_TIMER_EN)); 2288 rt2860_set_gp_timer(sc, 0); 2289 } 2290 2291 static void 2292 rt2860_scan_end(struct ieee80211com *ic) 2293 { 2294 struct rt2860_softc *sc = ic->ic_softc; 2295 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2296 2297 if (vap->iv_state == IEEE80211_S_RUN) { 2298 rt2860_enable_tsf_sync(sc); 2299 rt2860_set_gp_timer(sc, 500); 2300 } 2301 } 2302 2303 static void 2304 rt2860_getradiocaps(struct ieee80211com *ic, int maxchans, int *nchans, 2305 struct ieee80211_channel chans[]) 2306 { 2307 struct rt2860_softc *sc = ic->ic_softc; 2308 uint8_t bands[IEEE80211_MODE_BYTES]; 2309 2310 memset(bands, 0, sizeof(bands)); 2311 setbit(bands, IEEE80211_MODE_11B); 2312 setbit(bands, IEEE80211_MODE_11G); 2313 ieee80211_add_channel_list_2ghz(chans, maxchans, nchans, 2314 rt2860_chan_2ghz, nitems(rt2860_chan_2ghz), bands, 0); 2315 2316 if (sc->rf_rev == RT2860_RF_2750 || sc->rf_rev == RT2860_RF_2850) { 2317 setbit(bands, IEEE80211_MODE_11A); 2318 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans, 2319 rt2860_chan_5ghz, nitems(rt2860_chan_5ghz), bands, 0); 2320 } 2321 } 2322 2323 static void 2324 rt2860_set_channel(struct ieee80211com *ic) 2325 { 2326 struct rt2860_softc *sc = ic->ic_softc; 2327 2328 RAL_LOCK(sc); 2329 rt2860_switch_chan(sc, ic->ic_curchan); 2330 RAL_UNLOCK(sc); 2331 } 2332 2333 static void 2334 rt2860_select_chan_group(struct rt2860_softc *sc, int group) 2335 { 2336 uint32_t tmp; 2337 uint8_t agc; 2338 2339 rt2860_mcu_bbp_write(sc, 62, 0x37 - sc->lna[group]); 2340 rt2860_mcu_bbp_write(sc, 63, 0x37 - sc->lna[group]); 2341 rt2860_mcu_bbp_write(sc, 64, 0x37 - sc->lna[group]); 2342 rt2860_mcu_bbp_write(sc, 86, 0x00); 2343 2344 if (group == 0) { 2345 if (sc->ext_2ghz_lna) { 2346 rt2860_mcu_bbp_write(sc, 82, 0x62); 2347 rt2860_mcu_bbp_write(sc, 75, 0x46); 2348 } else { 2349 rt2860_mcu_bbp_write(sc, 82, 0x84); 2350 rt2860_mcu_bbp_write(sc, 75, 0x50); 2351 } 2352 } else { 2353 if (sc->ext_5ghz_lna) { 2354 rt2860_mcu_bbp_write(sc, 82, 0xf2); 2355 rt2860_mcu_bbp_write(sc, 75, 0x46); 2356 } else { 2357 rt2860_mcu_bbp_write(sc, 82, 0xf2); 2358 rt2860_mcu_bbp_write(sc, 75, 0x50); 2359 } 2360 } 2361 2362 tmp = RAL_READ(sc, RT2860_TX_BAND_CFG); 2363 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P); 2364 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P; 2365 RAL_WRITE(sc, RT2860_TX_BAND_CFG, tmp); 2366 2367 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */ 2368 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN; 2369 if (sc->nrxchains > 1) 2370 tmp |= RT2860_LNA_PE1_EN; 2371 if (sc->mac_ver == 0x3593 && sc->nrxchains > 2) 2372 tmp |= RT3593_LNA_PE2_EN; 2373 if (group == 0) { /* 2GHz */ 2374 tmp |= RT2860_PA_PE_G0_EN; 2375 if (sc->ntxchains > 1) 2376 tmp |= RT2860_PA_PE_G1_EN; 2377 if (sc->mac_ver == 0x3593 && sc->ntxchains > 2) 2378 tmp |= RT3593_PA_PE_G2_EN; 2379 } else { /* 5GHz */ 2380 tmp |= RT2860_PA_PE_A0_EN; 2381 if (sc->ntxchains > 1) 2382 tmp |= RT2860_PA_PE_A1_EN; 2383 if (sc->mac_ver == 0x3593 && sc->ntxchains > 2) 2384 tmp |= RT3593_PA_PE_A2_EN; 2385 } 2386 RAL_WRITE(sc, RT2860_TX_PIN_CFG, tmp); 2387 2388 if (sc->mac_ver == 0x3593) { 2389 tmp = RAL_READ(sc, RT2860_GPIO_CTRL); 2390 if (sc->sc_flags & RT2860_PCIE) { 2391 tmp &= ~0x01010000; 2392 if (group == 0) 2393 tmp |= 0x00010000; 2394 } else { 2395 tmp &= ~0x00008080; 2396 if (group == 0) 2397 tmp |= 0x00000080; 2398 } 2399 tmp = (tmp & ~0x00001000) | 0x00000010; 2400 RAL_WRITE(sc, RT2860_GPIO_CTRL, tmp); 2401 } 2402 2403 /* set initial AGC value */ 2404 if (group == 0) { /* 2GHz band */ 2405 if (sc->mac_ver >= 0x3071) 2406 agc = 0x1c + sc->lna[0] * 2; 2407 else 2408 agc = 0x2e + sc->lna[0]; 2409 } else { /* 5GHz band */ 2410 agc = 0x32 + (sc->lna[group] * 5) / 3; 2411 } 2412 rt2860_mcu_bbp_write(sc, 66, agc); 2413 2414 DELAY(1000); 2415 } 2416 2417 static void 2418 rt2860_set_chan(struct rt2860_softc *sc, u_int chan) 2419 { 2420 const struct rfprog *rfprog = rt2860_rf2850; 2421 uint32_t r2, r3, r4; 2422 int8_t txpow1, txpow2; 2423 u_int i; 2424 2425 /* find the settings for this channel (we know it exists) */ 2426 for (i = 0; rfprog[i].chan != chan; i++); 2427 2428 r2 = rfprog[i].r2; 2429 if (sc->ntxchains == 1) 2430 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */ 2431 if (sc->nrxchains == 1) 2432 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 2433 else if (sc->nrxchains == 2) 2434 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */ 2435 2436 /* use Tx power values from EEPROM */ 2437 txpow1 = sc->txpow1[i]; 2438 txpow2 = sc->txpow2[i]; 2439 if (chan > 14) { 2440 if (txpow1 >= 0) 2441 txpow1 = txpow1 << 1 | 1; 2442 else 2443 txpow1 = (7 + txpow1) << 1; 2444 if (txpow2 >= 0) 2445 txpow2 = txpow2 << 1 | 1; 2446 else 2447 txpow2 = (7 + txpow2) << 1; 2448 } 2449 r3 = rfprog[i].r3 | txpow1 << 7; 2450 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4; 2451 2452 rt2860_rf_write(sc, RT2860_RF1, rfprog[i].r1); 2453 rt2860_rf_write(sc, RT2860_RF2, r2); 2454 rt2860_rf_write(sc, RT2860_RF3, r3); 2455 rt2860_rf_write(sc, RT2860_RF4, r4); 2456 2457 DELAY(200); 2458 2459 rt2860_rf_write(sc, RT2860_RF1, rfprog[i].r1); 2460 rt2860_rf_write(sc, RT2860_RF2, r2); 2461 rt2860_rf_write(sc, RT2860_RF3, r3 | 1); 2462 rt2860_rf_write(sc, RT2860_RF4, r4); 2463 2464 DELAY(200); 2465 2466 rt2860_rf_write(sc, RT2860_RF1, rfprog[i].r1); 2467 rt2860_rf_write(sc, RT2860_RF2, r2); 2468 rt2860_rf_write(sc, RT2860_RF3, r3); 2469 rt2860_rf_write(sc, RT2860_RF4, r4); 2470 } 2471 2472 static void 2473 rt3090_set_chan(struct rt2860_softc *sc, u_int chan) 2474 { 2475 int8_t txpow1, txpow2; 2476 uint8_t rf; 2477 int i; 2478 2479 /* RT3090 is 2GHz only */ 2480 KASSERT(chan >= 1 && chan <= 14, ("chan %d not support", chan)); 2481 2482 /* find the settings for this channel (we know it exists) */ 2483 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 2484 2485 /* use Tx power values from EEPROM */ 2486 txpow1 = sc->txpow1[i]; 2487 txpow2 = sc->txpow2[i]; 2488 2489 rt3090_rf_write(sc, 2, rt3090_freqs[i].n); 2490 rf = rt3090_rf_read(sc, 3); 2491 rf = (rf & ~0x0f) | rt3090_freqs[i].k; 2492 rt3090_rf_write(sc, 3, rf); 2493 rf = rt3090_rf_read(sc, 6); 2494 rf = (rf & ~0x03) | rt3090_freqs[i].r; 2495 rt3090_rf_write(sc, 6, rf); 2496 2497 /* set Tx0 power */ 2498 rf = rt3090_rf_read(sc, 12); 2499 rf = (rf & ~0x1f) | txpow1; 2500 rt3090_rf_write(sc, 12, rf); 2501 2502 /* set Tx1 power */ 2503 rf = rt3090_rf_read(sc, 13); 2504 rf = (rf & ~0x1f) | txpow2; 2505 rt3090_rf_write(sc, 13, rf); 2506 2507 rf = rt3090_rf_read(sc, 1); 2508 rf &= ~0xfc; 2509 if (sc->ntxchains == 1) 2510 rf |= RT3070_TX1_PD | RT3070_TX2_PD; 2511 else if (sc->ntxchains == 2) 2512 rf |= RT3070_TX2_PD; 2513 if (sc->nrxchains == 1) 2514 rf |= RT3070_RX1_PD | RT3070_RX2_PD; 2515 else if (sc->nrxchains == 2) 2516 rf |= RT3070_RX2_PD; 2517 rt3090_rf_write(sc, 1, rf); 2518 2519 /* set RF offset */ 2520 rf = rt3090_rf_read(sc, 23); 2521 rf = (rf & ~0x7f) | sc->freq; 2522 rt3090_rf_write(sc, 23, rf); 2523 2524 /* program RF filter */ 2525 rf = rt3090_rf_read(sc, 24); /* Tx */ 2526 rf = (rf & ~0x3f) | sc->rf24_20mhz; 2527 rt3090_rf_write(sc, 24, rf); 2528 rf = rt3090_rf_read(sc, 31); /* Rx */ 2529 rf = (rf & ~0x3f) | sc->rf24_20mhz; 2530 rt3090_rf_write(sc, 31, rf); 2531 2532 /* enable RF tuning */ 2533 rf = rt3090_rf_read(sc, 7); 2534 rt3090_rf_write(sc, 7, rf | RT3070_TUNE); 2535 } 2536 2537 static void 2538 rt5390_set_chan(struct rt2860_softc *sc, u_int chan) 2539 { 2540 uint8_t h20mhz, rf, tmp; 2541 int8_t txpow1, txpow2; 2542 int i; 2543 2544 /* RT5390 is 2GHz only */ 2545 KASSERT(chan >= 1 && chan <= 14, ("chan %d not support", chan)); 2546 2547 /* find the settings for this channel (we know it exists) */ 2548 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 2549 2550 /* use Tx power values from EEPROM */ 2551 txpow1 = sc->txpow1[i]; 2552 txpow2 = sc->txpow2[i]; 2553 2554 rt3090_rf_write(sc, 8, rt3090_freqs[i].n); 2555 rt3090_rf_write(sc, 9, rt3090_freqs[i].k & 0x0f); 2556 rf = rt3090_rf_read(sc, 11); 2557 rf = (rf & ~0x03) | (rt3090_freqs[i].r & 0x03); 2558 rt3090_rf_write(sc, 11, rf); 2559 2560 rf = rt3090_rf_read(sc, 49); 2561 rf = (rf & ~0x3f) | (txpow1 & 0x3f); 2562 /* the valid range of the RF R49 is 0x00~0x27 */ 2563 if ((rf & 0x3f) > 0x27) 2564 rf = (rf & ~0x3f) | 0x27; 2565 rt3090_rf_write(sc, 49, rf); 2566 if (sc->mac_ver == 0x5392) { 2567 rf = rt3090_rf_read(sc, 50); 2568 rf = (rf & ~0x3f) | (txpow2 & 0x3f); 2569 /* the valid range of the RF R50 is 0x00~0x27 */ 2570 if ((rf & 0x3f) > 0x27) 2571 rf = (rf & ~0x3f) | 0x27; 2572 rt3090_rf_write(sc, 50, rf); 2573 } 2574 2575 rf = rt3090_rf_read(sc, 1); 2576 rf |= RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | RT3070_TX0_PD; 2577 if (sc->mac_ver == 0x5392) 2578 rf |= RT3070_RX1_PD | RT3070_TX1_PD; 2579 rt3090_rf_write(sc, 1, rf); 2580 2581 rf = rt3090_rf_read(sc, 2); 2582 rt3090_rf_write(sc, 2, rf | RT3593_RESCAL); 2583 DELAY(1000); 2584 rt3090_rf_write(sc, 2, rf & ~RT3593_RESCAL); 2585 2586 rf = rt3090_rf_read(sc, 17); 2587 tmp = rf; 2588 rf = (rf & ~0x7f) | (sc->freq & 0x7f); 2589 rf = MIN(rf, 0x5f); 2590 if (tmp != rf) 2591 rt2860_mcu_cmd(sc, 0x74, (tmp << 8 ) | rf, 0); 2592 2593 if (sc->mac_ver == 0x5390) { 2594 if (chan <= 4) 2595 rf = 0x73; 2596 else if (chan >= 5 && chan <= 6) 2597 rf = 0x63; 2598 else if (chan >= 7 && chan <= 10) 2599 rf = 0x53; 2600 else 2601 rf = 43; 2602 rt3090_rf_write(sc, 55, rf); 2603 2604 if (chan == 1) 2605 rf = 0x0c; 2606 else if (chan == 2) 2607 rf = 0x0b; 2608 else if (chan == 3) 2609 rf = 0x0a; 2610 else if (chan >= 4 && chan <= 6) 2611 rf = 0x09; 2612 else if (chan >= 7 && chan <= 12) 2613 rf = 0x08; 2614 else if (chan == 13) 2615 rf = 0x07; 2616 else 2617 rf = 0x06; 2618 rt3090_rf_write(sc, 59, rf); 2619 } 2620 2621 /* Tx/Rx h20M */ 2622 h20mhz = (sc->rf24_20mhz & 0x20) >> 5; 2623 rf = rt3090_rf_read(sc, 30); 2624 rf = (rf & ~0x06) | (h20mhz << 1) | (h20mhz << 2); 2625 rt3090_rf_write(sc, 30, rf); 2626 2627 /* Rx BB filter VCM */ 2628 rf = rt3090_rf_read(sc, 30); 2629 rf = (rf & ~0x18) | 0x10; 2630 rt3090_rf_write(sc, 30, rf); 2631 2632 /* Initiate VCO calibration. */ 2633 rf = rt3090_rf_read(sc, 3); 2634 rf |= RT3593_VCOCAL; 2635 rt3090_rf_write(sc, 3, rf); 2636 } 2637 2638 static int 2639 rt3090_rf_init(struct rt2860_softc *sc) 2640 { 2641 uint32_t tmp; 2642 uint8_t rf, bbp; 2643 int i; 2644 2645 rf = rt3090_rf_read(sc, 30); 2646 /* toggle RF R30 bit 7 */ 2647 rt3090_rf_write(sc, 30, rf | 0x80); 2648 DELAY(1000); 2649 rt3090_rf_write(sc, 30, rf & ~0x80); 2650 2651 tmp = RAL_READ(sc, RT3070_LDO_CFG0); 2652 tmp &= ~0x1f000000; 2653 if (sc->patch_dac && sc->mac_rev < 0x0211) 2654 tmp |= 0x0d000000; /* 1.35V */ 2655 else 2656 tmp |= 0x01000000; /* 1.2V */ 2657 RAL_WRITE(sc, RT3070_LDO_CFG0, tmp); 2658 2659 /* patch LNA_PE_G1 */ 2660 tmp = RAL_READ(sc, RT3070_GPIO_SWITCH); 2661 RAL_WRITE(sc, RT3070_GPIO_SWITCH, tmp & ~0x20); 2662 2663 /* initialize RF registers to default value */ 2664 for (i = 0; i < nitems(rt3090_def_rf); i++) { 2665 rt3090_rf_write(sc, rt3090_def_rf[i].reg, 2666 rt3090_def_rf[i].val); 2667 } 2668 2669 /* select 20MHz bandwidth */ 2670 rt3090_rf_write(sc, 31, 0x14); 2671 2672 rf = rt3090_rf_read(sc, 6); 2673 rt3090_rf_write(sc, 6, rf | 0x40); 2674 2675 if (sc->mac_ver != 0x3593) { 2676 /* calibrate filter for 20MHz bandwidth */ 2677 sc->rf24_20mhz = 0x1f; /* default value */ 2678 rt3090_filter_calib(sc, 0x07, 0x16, &sc->rf24_20mhz); 2679 2680 /* select 40MHz bandwidth */ 2681 bbp = rt2860_mcu_bbp_read(sc, 4); 2682 rt2860_mcu_bbp_write(sc, 4, (bbp & ~0x08) | 0x10); 2683 rf = rt3090_rf_read(sc, 31); 2684 rt3090_rf_write(sc, 31, rf | 0x20); 2685 2686 /* calibrate filter for 40MHz bandwidth */ 2687 sc->rf24_40mhz = 0x2f; /* default value */ 2688 rt3090_filter_calib(sc, 0x27, 0x19, &sc->rf24_40mhz); 2689 2690 /* go back to 20MHz bandwidth */ 2691 bbp = rt2860_mcu_bbp_read(sc, 4); 2692 rt2860_mcu_bbp_write(sc, 4, bbp & ~0x18); 2693 } 2694 if (sc->mac_rev < 0x0211) 2695 rt3090_rf_write(sc, 27, 0x03); 2696 2697 tmp = RAL_READ(sc, RT3070_OPT_14); 2698 RAL_WRITE(sc, RT3070_OPT_14, tmp | 1); 2699 2700 if (sc->rf_rev == RT3070_RF_3020) 2701 rt3090_set_rx_antenna(sc, 0); 2702 2703 bbp = rt2860_mcu_bbp_read(sc, 138); 2704 if (sc->mac_ver == 0x3593) { 2705 if (sc->ntxchains == 1) 2706 bbp |= 0x60; /* turn off DAC1 and DAC2 */ 2707 else if (sc->ntxchains == 2) 2708 bbp |= 0x40; /* turn off DAC2 */ 2709 if (sc->nrxchains == 1) 2710 bbp &= ~0x06; /* turn off ADC1 and ADC2 */ 2711 else if (sc->nrxchains == 2) 2712 bbp &= ~0x04; /* turn off ADC2 */ 2713 } else { 2714 if (sc->ntxchains == 1) 2715 bbp |= 0x20; /* turn off DAC1 */ 2716 if (sc->nrxchains == 1) 2717 bbp &= ~0x02; /* turn off ADC1 */ 2718 } 2719 rt2860_mcu_bbp_write(sc, 138, bbp); 2720 2721 rf = rt3090_rf_read(sc, 1); 2722 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD); 2723 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD; 2724 rt3090_rf_write(sc, 1, rf); 2725 2726 rf = rt3090_rf_read(sc, 15); 2727 rt3090_rf_write(sc, 15, rf & ~RT3070_TX_LO2); 2728 2729 rf = rt3090_rf_read(sc, 17); 2730 rf &= ~RT3070_TX_LO1; 2731 if (sc->mac_rev >= 0x0211 && !sc->ext_2ghz_lna) 2732 rf |= 0x20; /* fix for long range Rx issue */ 2733 if (sc->txmixgain_2ghz >= 2) 2734 rf = (rf & ~0x7) | sc->txmixgain_2ghz; 2735 rt3090_rf_write(sc, 17, rf); 2736 2737 rf = rt3090_rf_read(sc, 20); 2738 rt3090_rf_write(sc, 20, rf & ~RT3070_RX_LO1); 2739 2740 rf = rt3090_rf_read(sc, 21); 2741 rt3090_rf_write(sc, 21, rf & ~RT3070_RX_LO2); 2742 2743 return (0); 2744 } 2745 2746 static void 2747 rt5390_rf_init(struct rt2860_softc *sc) 2748 { 2749 uint8_t rf, bbp; 2750 int i; 2751 2752 rf = rt3090_rf_read(sc, 2); 2753 /* Toggle RF R2 bit 7. */ 2754 rt3090_rf_write(sc, 2, rf | RT3593_RESCAL); 2755 DELAY(1000); 2756 rt3090_rf_write(sc, 2, rf & ~RT3593_RESCAL); 2757 2758 /* Initialize RF registers to default value. */ 2759 if (sc->mac_ver == 0x5392) { 2760 for (i = 0; i < nitems(rt5392_def_rf); i++) { 2761 rt3090_rf_write(sc, rt5392_def_rf[i].reg, 2762 rt5392_def_rf[i].val); 2763 } 2764 } else { 2765 for (i = 0; i < nitems(rt5390_def_rf); i++) { 2766 rt3090_rf_write(sc, rt5390_def_rf[i].reg, 2767 rt5390_def_rf[i].val); 2768 } 2769 } 2770 2771 sc->rf24_20mhz = 0x1f; 2772 sc->rf24_40mhz = 0x2f; 2773 2774 if (sc->mac_rev < 0x0211) 2775 rt3090_rf_write(sc, 27, 0x03); 2776 2777 /* Set led open drain enable. */ 2778 RAL_WRITE(sc, RT3070_OPT_14, RAL_READ(sc, RT3070_OPT_14) | 1); 2779 2780 RAL_WRITE(sc, RT2860_TX_SW_CFG1, 0); 2781 RAL_WRITE(sc, RT2860_TX_SW_CFG2, 0); 2782 2783 if (sc->mac_ver == 0x5390) 2784 rt3090_set_rx_antenna(sc, 0); 2785 2786 /* Patch RSSI inaccurate issue. */ 2787 rt2860_mcu_bbp_write(sc, 79, 0x13); 2788 rt2860_mcu_bbp_write(sc, 80, 0x05); 2789 rt2860_mcu_bbp_write(sc, 81, 0x33); 2790 2791 /* Enable DC filter. */ 2792 if (sc->mac_rev >= 0x0211) 2793 rt2860_mcu_bbp_write(sc, 103, 0xc0); 2794 2795 bbp = rt2860_mcu_bbp_read(sc, 138); 2796 if (sc->ntxchains == 1) 2797 bbp |= 0x20; /* Turn off DAC1. */ 2798 if (sc->nrxchains == 1) 2799 bbp &= ~0x02; /* Turn off ADC1. */ 2800 rt2860_mcu_bbp_write(sc, 138, bbp); 2801 2802 /* Enable RX LO1 and LO2. */ 2803 rt3090_rf_write(sc, 38, rt3090_rf_read(sc, 38) & ~RT5390_RX_LO1); 2804 rt3090_rf_write(sc, 39, rt3090_rf_read(sc, 39) & ~RT5390_RX_LO2); 2805 2806 /* Avoid data lost and CRC error. */ 2807 rt2860_mcu_bbp_write(sc, 4, 2808 rt2860_mcu_bbp_read(sc, 4) | RT5390_MAC_IF_CTRL); 2809 2810 rf = rt3090_rf_read(sc, 30); 2811 rf = (rf & ~0x18) | 0x10; 2812 rt3090_rf_write(sc, 30, rf); 2813 } 2814 2815 static void 2816 rt3090_rf_wakeup(struct rt2860_softc *sc) 2817 { 2818 uint32_t tmp; 2819 uint8_t rf; 2820 2821 if (sc->mac_ver == 0x3593) { 2822 /* enable VCO */ 2823 rf = rt3090_rf_read(sc, 1); 2824 rt3090_rf_write(sc, 1, rf | RT3593_VCO); 2825 2826 /* initiate VCO calibration */ 2827 rf = rt3090_rf_read(sc, 3); 2828 rt3090_rf_write(sc, 3, rf | RT3593_VCOCAL); 2829 2830 /* enable VCO bias current control */ 2831 rf = rt3090_rf_read(sc, 6); 2832 rt3090_rf_write(sc, 6, rf | RT3593_VCO_IC); 2833 2834 /* initiate res calibration */ 2835 rf = rt3090_rf_read(sc, 2); 2836 rt3090_rf_write(sc, 2, rf | RT3593_RESCAL); 2837 2838 /* set reference current control to 0.33 mA */ 2839 rf = rt3090_rf_read(sc, 22); 2840 rf &= ~RT3593_CP_IC_MASK; 2841 rf |= 1 << RT3593_CP_IC_SHIFT; 2842 rt3090_rf_write(sc, 22, rf); 2843 2844 /* enable RX CTB */ 2845 rf = rt3090_rf_read(sc, 46); 2846 rt3090_rf_write(sc, 46, rf | RT3593_RX_CTB); 2847 2848 rf = rt3090_rf_read(sc, 20); 2849 rf &= ~(RT3593_LDO_RF_VC_MASK | RT3593_LDO_PLL_VC_MASK); 2850 rt3090_rf_write(sc, 20, rf); 2851 } else { 2852 /* enable RF block */ 2853 rf = rt3090_rf_read(sc, 1); 2854 rt3090_rf_write(sc, 1, rf | RT3070_RF_BLOCK); 2855 2856 /* enable VCO bias current control */ 2857 rf = rt3090_rf_read(sc, 7); 2858 rt3090_rf_write(sc, 7, rf | 0x30); 2859 2860 rf = rt3090_rf_read(sc, 9); 2861 rt3090_rf_write(sc, 9, rf | 0x0e); 2862 2863 /* enable RX CTB */ 2864 rf = rt3090_rf_read(sc, 21); 2865 rt3090_rf_write(sc, 21, rf | RT3070_RX_CTB); 2866 2867 /* fix Tx to Rx IQ glitch by raising RF voltage */ 2868 rf = rt3090_rf_read(sc, 27); 2869 rf &= ~0x77; 2870 if (sc->mac_rev < 0x0211) 2871 rf |= 0x03; 2872 rt3090_rf_write(sc, 27, rf); 2873 } 2874 if (sc->patch_dac && sc->mac_rev < 0x0211) { 2875 tmp = RAL_READ(sc, RT3070_LDO_CFG0); 2876 tmp = (tmp & ~0x1f000000) | 0x0d000000; 2877 RAL_WRITE(sc, RT3070_LDO_CFG0, tmp); 2878 } 2879 } 2880 2881 static void 2882 rt5390_rf_wakeup(struct rt2860_softc *sc) 2883 { 2884 uint32_t tmp; 2885 uint8_t rf; 2886 2887 rf = rt3090_rf_read(sc, 1); 2888 rf |= RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | 2889 RT3070_TX0_PD; 2890 if (sc->mac_ver == 0x5392) 2891 rf |= RT3070_RX1_PD | RT3070_TX1_PD; 2892 rt3090_rf_write(sc, 1, rf); 2893 2894 rf = rt3090_rf_read(sc, 6); 2895 rf |= RT3593_VCO_IC | RT3593_VCOCAL; 2896 if (sc->mac_ver == 0x5390) 2897 rf &= ~RT3593_VCO_IC; 2898 rt3090_rf_write(sc, 6, rf); 2899 2900 rt3090_rf_write(sc, 2, rt3090_rf_read(sc, 2) | RT3593_RESCAL); 2901 2902 rf = rt3090_rf_read(sc, 22); 2903 rf = (rf & ~0xe0) | 0x20; 2904 rt3090_rf_write(sc, 22, rf); 2905 2906 rt3090_rf_write(sc, 42, rt3090_rf_read(sc, 42) | RT5390_RX_CTB); 2907 rt3090_rf_write(sc, 20, rt3090_rf_read(sc, 20) & ~0x77); 2908 rt3090_rf_write(sc, 3, rt3090_rf_read(sc, 3) | RT3593_VCOCAL); 2909 2910 if (sc->patch_dac && sc->mac_rev < 0x0211) { 2911 tmp = RAL_READ(sc, RT3070_LDO_CFG0); 2912 tmp = (tmp & ~0x1f000000) | 0x0d000000; 2913 RAL_WRITE(sc, RT3070_LDO_CFG0, tmp); 2914 } 2915 } 2916 2917 static int 2918 rt3090_filter_calib(struct rt2860_softc *sc, uint8_t init, uint8_t target, 2919 uint8_t *val) 2920 { 2921 uint8_t rf22, rf24; 2922 uint8_t bbp55_pb, bbp55_sb, delta; 2923 int ntries; 2924 2925 /* program filter */ 2926 rf24 = rt3090_rf_read(sc, 24); 2927 rf24 = (rf24 & 0xc0) | init; /* initial filter value */ 2928 rt3090_rf_write(sc, 24, rf24); 2929 2930 /* enable baseband loopback mode */ 2931 rf22 = rt3090_rf_read(sc, 22); 2932 rt3090_rf_write(sc, 22, rf22 | RT3070_BB_LOOPBACK); 2933 2934 /* set power and frequency of passband test tone */ 2935 rt2860_mcu_bbp_write(sc, 24, 0x00); 2936 for (ntries = 0; ntries < 100; ntries++) { 2937 /* transmit test tone */ 2938 rt2860_mcu_bbp_write(sc, 25, 0x90); 2939 DELAY(1000); 2940 /* read received power */ 2941 bbp55_pb = rt2860_mcu_bbp_read(sc, 55); 2942 if (bbp55_pb != 0) 2943 break; 2944 } 2945 if (ntries == 100) 2946 return (ETIMEDOUT); 2947 2948 /* set power and frequency of stopband test tone */ 2949 rt2860_mcu_bbp_write(sc, 24, 0x06); 2950 for (ntries = 0; ntries < 100; ntries++) { 2951 /* transmit test tone */ 2952 rt2860_mcu_bbp_write(sc, 25, 0x90); 2953 DELAY(1000); 2954 /* read received power */ 2955 bbp55_sb = rt2860_mcu_bbp_read(sc, 55); 2956 2957 delta = bbp55_pb - bbp55_sb; 2958 if (delta > target) 2959 break; 2960 2961 /* reprogram filter */ 2962 rf24++; 2963 rt3090_rf_write(sc, 24, rf24); 2964 } 2965 if (ntries < 100) { 2966 if (rf24 != init) 2967 rf24--; /* backtrack */ 2968 *val = rf24; 2969 rt3090_rf_write(sc, 24, rf24); 2970 } 2971 2972 /* restore initial state */ 2973 rt2860_mcu_bbp_write(sc, 24, 0x00); 2974 2975 /* disable baseband loopback mode */ 2976 rf22 = rt3090_rf_read(sc, 22); 2977 rt3090_rf_write(sc, 22, rf22 & ~RT3070_BB_LOOPBACK); 2978 2979 return (0); 2980 } 2981 2982 static void 2983 rt3090_rf_setup(struct rt2860_softc *sc) 2984 { 2985 uint8_t bbp; 2986 int i; 2987 2988 if (sc->mac_rev >= 0x0211) { 2989 /* enable DC filter */ 2990 rt2860_mcu_bbp_write(sc, 103, 0xc0); 2991 2992 /* improve power consumption */ 2993 bbp = rt2860_mcu_bbp_read(sc, 31); 2994 rt2860_mcu_bbp_write(sc, 31, bbp & ~0x03); 2995 } 2996 2997 RAL_WRITE(sc, RT2860_TX_SW_CFG1, 0); 2998 if (sc->mac_rev < 0x0211) { 2999 RAL_WRITE(sc, RT2860_TX_SW_CFG2, 3000 sc->patch_dac ? 0x2c : 0x0f); 3001 } else 3002 RAL_WRITE(sc, RT2860_TX_SW_CFG2, 0); 3003 3004 /* initialize RF registers from ROM */ 3005 if (sc->mac_ver < 0x5390) { 3006 for (i = 0; i < 10; i++) { 3007 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff) 3008 continue; 3009 rt3090_rf_write(sc, sc->rf[i].reg, sc->rf[i].val); 3010 } 3011 } 3012 } 3013 3014 static void 3015 rt2860_set_leds(struct rt2860_softc *sc, uint16_t which) 3016 { 3017 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LEDS, 3018 which | (sc->leds & 0x7f), 0); 3019 } 3020 3021 /* 3022 * Hardware has a general-purpose programmable timer interrupt that can 3023 * periodically raise MAC_INT_4. 3024 */ 3025 static void 3026 rt2860_set_gp_timer(struct rt2860_softc *sc, int ms) 3027 { 3028 uint32_t tmp; 3029 3030 /* disable GP timer before reprogramming it */ 3031 tmp = RAL_READ(sc, RT2860_INT_TIMER_EN); 3032 RAL_WRITE(sc, RT2860_INT_TIMER_EN, tmp & ~RT2860_GP_TIMER_EN); 3033 3034 if (ms == 0) 3035 return; 3036 3037 tmp = RAL_READ(sc, RT2860_INT_TIMER_CFG); 3038 ms *= 16; /* Unit: 64us */ 3039 tmp = (tmp & 0xffff) | ms << RT2860_GP_TIMER_SHIFT; 3040 RAL_WRITE(sc, RT2860_INT_TIMER_CFG, tmp); 3041 3042 /* enable GP timer */ 3043 tmp = RAL_READ(sc, RT2860_INT_TIMER_EN); 3044 RAL_WRITE(sc, RT2860_INT_TIMER_EN, tmp | RT2860_GP_TIMER_EN); 3045 } 3046 3047 static void 3048 rt2860_set_bssid(struct rt2860_softc *sc, const uint8_t *bssid) 3049 { 3050 RAL_WRITE(sc, RT2860_MAC_BSSID_DW0, 3051 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 3052 RAL_WRITE(sc, RT2860_MAC_BSSID_DW1, 3053 bssid[4] | bssid[5] << 8); 3054 } 3055 3056 static void 3057 rt2860_set_macaddr(struct rt2860_softc *sc, const uint8_t *addr) 3058 { 3059 RAL_WRITE(sc, RT2860_MAC_ADDR_DW0, 3060 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 3061 RAL_WRITE(sc, RT2860_MAC_ADDR_DW1, 3062 addr[4] | addr[5] << 8 | 0xff << 16); 3063 } 3064 3065 static void 3066 rt2860_updateslot(struct ieee80211com *ic) 3067 { 3068 struct rt2860_softc *sc = ic->ic_softc; 3069 uint32_t tmp; 3070 3071 tmp = RAL_READ(sc, RT2860_BKOFF_SLOT_CFG); 3072 tmp &= ~0xff; 3073 tmp |= IEEE80211_GET_SLOTTIME(ic); 3074 RAL_WRITE(sc, RT2860_BKOFF_SLOT_CFG, tmp); 3075 } 3076 3077 static void 3078 rt2860_updateprot(struct rt2860_softc *sc) 3079 { 3080 struct ieee80211com *ic = &sc->sc_ic; 3081 uint32_t tmp; 3082 3083 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL; 3084 /* setup protection frame rate (MCS code) */ 3085 tmp |= IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 3086 rt2860_rates[RT2860_RIDX_OFDM6].mcs : 3087 rt2860_rates[RT2860_RIDX_CCK11].mcs; 3088 3089 /* CCK frames don't require protection */ 3090 RAL_WRITE(sc, RT2860_CCK_PROT_CFG, tmp); 3091 3092 if (ic->ic_flags & IEEE80211_F_USEPROT) { 3093 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 3094 tmp |= RT2860_PROT_CTRL_RTS_CTS; 3095 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 3096 tmp |= RT2860_PROT_CTRL_CTS; 3097 } 3098 RAL_WRITE(sc, RT2860_OFDM_PROT_CFG, tmp); 3099 } 3100 3101 static void 3102 rt2860_update_promisc(struct ieee80211com *ic) 3103 { 3104 struct rt2860_softc *sc = ic->ic_softc; 3105 uint32_t tmp; 3106 3107 tmp = RAL_READ(sc, RT2860_RX_FILTR_CFG); 3108 tmp &= ~RT2860_DROP_NOT_MYBSS; 3109 if (ic->ic_promisc == 0) 3110 tmp |= RT2860_DROP_NOT_MYBSS; 3111 RAL_WRITE(sc, RT2860_RX_FILTR_CFG, tmp); 3112 } 3113 3114 static int 3115 rt2860_updateedca(struct ieee80211com *ic) 3116 { 3117 struct rt2860_softc *sc = ic->ic_softc; 3118 struct chanAccParams chp; 3119 const struct wmeParams *wmep; 3120 int aci; 3121 3122 ieee80211_wme_ic_getparams(ic, &chp); 3123 3124 wmep = chp.cap_wmeParams; 3125 3126 /* update MAC TX configuration registers */ 3127 for (aci = 0; aci < WME_NUM_AC; aci++) { 3128 RAL_WRITE(sc, RT2860_EDCA_AC_CFG(aci), 3129 wmep[aci].wmep_logcwmax << 16 | 3130 wmep[aci].wmep_logcwmin << 12 | 3131 wmep[aci].wmep_aifsn << 8 | 3132 wmep[aci].wmep_txopLimit); 3133 } 3134 3135 /* update SCH/DMA registers too */ 3136 RAL_WRITE(sc, RT2860_WMM_AIFSN_CFG, 3137 wmep[WME_AC_VO].wmep_aifsn << 12 | 3138 wmep[WME_AC_VI].wmep_aifsn << 8 | 3139 wmep[WME_AC_BK].wmep_aifsn << 4 | 3140 wmep[WME_AC_BE].wmep_aifsn); 3141 RAL_WRITE(sc, RT2860_WMM_CWMIN_CFG, 3142 wmep[WME_AC_VO].wmep_logcwmin << 12 | 3143 wmep[WME_AC_VI].wmep_logcwmin << 8 | 3144 wmep[WME_AC_BK].wmep_logcwmin << 4 | 3145 wmep[WME_AC_BE].wmep_logcwmin); 3146 RAL_WRITE(sc, RT2860_WMM_CWMAX_CFG, 3147 wmep[WME_AC_VO].wmep_logcwmax << 12 | 3148 wmep[WME_AC_VI].wmep_logcwmax << 8 | 3149 wmep[WME_AC_BK].wmep_logcwmax << 4 | 3150 wmep[WME_AC_BE].wmep_logcwmax); 3151 RAL_WRITE(sc, RT2860_WMM_TXOP0_CFG, 3152 wmep[WME_AC_BK].wmep_txopLimit << 16 | 3153 wmep[WME_AC_BE].wmep_txopLimit); 3154 RAL_WRITE(sc, RT2860_WMM_TXOP1_CFG, 3155 wmep[WME_AC_VO].wmep_txopLimit << 16 | 3156 wmep[WME_AC_VI].wmep_txopLimit); 3157 3158 return 0; 3159 } 3160 3161 #ifdef HW_CRYPTO 3162 static int 3163 rt2860_set_key(struct ieee80211com *ic, struct ieee80211_node *ni, 3164 struct ieee80211_key *k) 3165 { 3166 struct rt2860_softc *sc = ic->ic_softc; 3167 bus_size_t base; 3168 uint32_t attr; 3169 uint8_t mode, wcid, iv[8]; 3170 3171 /* defer setting of WEP keys until interface is brought up */ 3172 if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) != 3173 (IFF_UP | IFF_RUNNING)) 3174 return 0; 3175 3176 /* map net80211 cipher to RT2860 security mode */ 3177 switch (k->k_cipher) { 3178 case IEEE80211_CIPHER_WEP40: 3179 mode = RT2860_MODE_WEP40; 3180 break; 3181 case IEEE80211_CIPHER_WEP104: 3182 mode = RT2860_MODE_WEP104; 3183 break; 3184 case IEEE80211_CIPHER_TKIP: 3185 mode = RT2860_MODE_TKIP; 3186 break; 3187 case IEEE80211_CIPHER_CCMP: 3188 mode = RT2860_MODE_AES_CCMP; 3189 break; 3190 default: 3191 return EINVAL; 3192 } 3193 3194 if (k->k_flags & IEEE80211_KEY_GROUP) { 3195 wcid = 0; /* NB: update WCID0 for group keys */ 3196 base = RT2860_SKEY(0, k->k_id); 3197 } else { 3198 wcid = ((struct rt2860_node *)ni)->wcid; 3199 base = RT2860_PKEY(wcid); 3200 } 3201 3202 if (k->k_cipher == IEEE80211_CIPHER_TKIP) { 3203 RAL_WRITE_REGION_1(sc, base, k->k_key, 16); 3204 #ifndef IEEE80211_STA_ONLY 3205 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 3206 RAL_WRITE_REGION_1(sc, base + 16, &k->k_key[16], 8); 3207 RAL_WRITE_REGION_1(sc, base + 24, &k->k_key[24], 8); 3208 } else 3209 #endif 3210 { 3211 RAL_WRITE_REGION_1(sc, base + 16, &k->k_key[24], 8); 3212 RAL_WRITE_REGION_1(sc, base + 24, &k->k_key[16], 8); 3213 } 3214 } else 3215 RAL_WRITE_REGION_1(sc, base, k->k_key, k->k_len); 3216 3217 if (!(k->k_flags & IEEE80211_KEY_GROUP) || 3218 (k->k_flags & IEEE80211_KEY_TX)) { 3219 /* set initial packet number in IV+EIV */ 3220 if (k->k_cipher == IEEE80211_CIPHER_WEP40 || 3221 k->k_cipher == IEEE80211_CIPHER_WEP104) { 3222 uint32_t val = arc4random(); 3223 /* skip weak IVs from Fluhrer/Mantin/Shamir */ 3224 if (val >= 0x03ff00 && (val & 0xf8ff00) == 0x00ff00) 3225 val += 0x000100; 3226 iv[0] = val; 3227 iv[1] = val >> 8; 3228 iv[2] = val >> 16; 3229 iv[3] = k->k_id << 6; 3230 iv[4] = iv[5] = iv[6] = iv[7] = 0; 3231 } else { 3232 if (k->k_cipher == IEEE80211_CIPHER_TKIP) { 3233 iv[0] = k->k_tsc >> 8; 3234 iv[1] = (iv[0] | 0x20) & 0x7f; 3235 iv[2] = k->k_tsc; 3236 } else /* CCMP */ { 3237 iv[0] = k->k_tsc; 3238 iv[1] = k->k_tsc >> 8; 3239 iv[2] = 0; 3240 } 3241 iv[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV; 3242 iv[4] = k->k_tsc >> 16; 3243 iv[5] = k->k_tsc >> 24; 3244 iv[6] = k->k_tsc >> 32; 3245 iv[7] = k->k_tsc >> 40; 3246 } 3247 RAL_WRITE_REGION_1(sc, RT2860_IVEIV(wcid), iv, 8); 3248 } 3249 3250 if (k->k_flags & IEEE80211_KEY_GROUP) { 3251 /* install group key */ 3252 attr = RAL_READ(sc, RT2860_SKEY_MODE_0_7); 3253 attr &= ~(0xf << (k->k_id * 4)); 3254 attr |= mode << (k->k_id * 4); 3255 RAL_WRITE(sc, RT2860_SKEY_MODE_0_7, attr); 3256 } else { 3257 /* install pairwise key */ 3258 attr = RAL_READ(sc, RT2860_WCID_ATTR(wcid)); 3259 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN; 3260 RAL_WRITE(sc, RT2860_WCID_ATTR(wcid), attr); 3261 } 3262 return 0; 3263 } 3264 3265 static void 3266 rt2860_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni, 3267 struct ieee80211_key *k) 3268 { 3269 struct rt2860_softc *sc = ic->ic_softc; 3270 uint32_t attr; 3271 uint8_t wcid; 3272 3273 if (k->k_flags & IEEE80211_KEY_GROUP) { 3274 /* remove group key */ 3275 attr = RAL_READ(sc, RT2860_SKEY_MODE_0_7); 3276 attr &= ~(0xf << (k->k_id * 4)); 3277 RAL_WRITE(sc, RT2860_SKEY_MODE_0_7, attr); 3278 3279 } else { 3280 /* remove pairwise key */ 3281 wcid = ((struct rt2860_node *)ni)->wcid; 3282 attr = RAL_READ(sc, RT2860_WCID_ATTR(wcid)); 3283 attr &= ~0xf; 3284 RAL_WRITE(sc, RT2860_WCID_ATTR(wcid), attr); 3285 } 3286 } 3287 #endif 3288 3289 static int8_t 3290 rt2860_rssi2dbm(struct rt2860_softc *sc, uint8_t rssi, uint8_t rxchain) 3291 { 3292 struct ieee80211com *ic = &sc->sc_ic; 3293 struct ieee80211_channel *c = ic->ic_curchan; 3294 int delta; 3295 3296 if (IEEE80211_IS_CHAN_5GHZ(c)) { 3297 u_int chan = ieee80211_chan2ieee(ic, c); 3298 delta = sc->rssi_5ghz[rxchain]; 3299 3300 /* determine channel group */ 3301 if (chan <= 64) 3302 delta -= sc->lna[1]; 3303 else if (chan <= 128) 3304 delta -= sc->lna[2]; 3305 else 3306 delta -= sc->lna[3]; 3307 } else 3308 delta = sc->rssi_2ghz[rxchain] - sc->lna[0]; 3309 3310 return -12 - delta - rssi; 3311 } 3312 3313 /* 3314 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word. 3315 * Used to adjust per-rate Tx power registers. 3316 */ 3317 static __inline uint32_t 3318 b4inc(uint32_t b32, int8_t delta) 3319 { 3320 int8_t i, b4; 3321 3322 for (i = 0; i < 8; i++) { 3323 b4 = b32 & 0xf; 3324 b4 += delta; 3325 if (b4 < 0) 3326 b4 = 0; 3327 else if (b4 > 0xf) 3328 b4 = 0xf; 3329 b32 = b32 >> 4 | b4 << 28; 3330 } 3331 return b32; 3332 } 3333 3334 static const char * 3335 rt2860_get_rf(uint16_t rev) 3336 { 3337 switch (rev) { 3338 case RT2860_RF_2820: return "RT2820"; 3339 case RT2860_RF_2850: return "RT2850"; 3340 case RT2860_RF_2720: return "RT2720"; 3341 case RT2860_RF_2750: return "RT2750"; 3342 case RT3070_RF_3020: return "RT3020"; 3343 case RT3070_RF_2020: return "RT2020"; 3344 case RT3070_RF_3021: return "RT3021"; 3345 case RT3070_RF_3022: return "RT3022"; 3346 case RT3070_RF_3052: return "RT3052"; 3347 case RT3070_RF_3320: return "RT3320"; 3348 case RT3070_RF_3053: return "RT3053"; 3349 case RT5390_RF_5360: return "RT5360"; 3350 case RT5390_RF_5390: return "RT5390"; 3351 default: return "unknown"; 3352 } 3353 } 3354 3355 static int 3356 rt2860_read_eeprom(struct rt2860_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 3357 { 3358 int8_t delta_2ghz, delta_5ghz; 3359 uint32_t tmp; 3360 uint16_t val; 3361 int ridx, ant, i; 3362 3363 /* check whether the ROM is eFUSE ROM or EEPROM */ 3364 sc->sc_srom_read = rt2860_eeprom_read_2; 3365 if (sc->mac_ver >= 0x3071) { 3366 tmp = RAL_READ(sc, RT3070_EFUSE_CTRL); 3367 DPRINTF(("EFUSE_CTRL=0x%08x\n", tmp)); 3368 if (tmp & RT3070_SEL_EFUSE) 3369 sc->sc_srom_read = rt3090_efuse_read_2; 3370 } 3371 3372 #ifdef RAL_DEBUG 3373 /* read EEPROM version */ 3374 val = rt2860_srom_read(sc, RT2860_EEPROM_VERSION); 3375 DPRINTF(("EEPROM rev=%d, FAE=%d\n", val >> 8, val & 0xff)); 3376 #endif 3377 3378 /* read MAC address */ 3379 val = rt2860_srom_read(sc, RT2860_EEPROM_MAC01); 3380 macaddr[0] = val & 0xff; 3381 macaddr[1] = val >> 8; 3382 val = rt2860_srom_read(sc, RT2860_EEPROM_MAC23); 3383 macaddr[2] = val & 0xff; 3384 macaddr[3] = val >> 8; 3385 val = rt2860_srom_read(sc, RT2860_EEPROM_MAC45); 3386 macaddr[4] = val & 0xff; 3387 macaddr[5] = val >> 8; 3388 3389 #ifdef RAL_DEBUG 3390 /* read country code */ 3391 val = rt2860_srom_read(sc, RT2860_EEPROM_COUNTRY); 3392 DPRINTF(("EEPROM region code=0x%04x\n", val)); 3393 #endif 3394 3395 /* read vendor BBP settings */ 3396 for (i = 0; i < 8; i++) { 3397 val = rt2860_srom_read(sc, RT2860_EEPROM_BBP_BASE + i); 3398 sc->bbp[i].val = val & 0xff; 3399 sc->bbp[i].reg = val >> 8; 3400 DPRINTF(("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val)); 3401 } 3402 if (sc->mac_ver >= 0x3071) { 3403 /* read vendor RF settings */ 3404 for (i = 0; i < 10; i++) { 3405 val = rt2860_srom_read(sc, RT3071_EEPROM_RF_BASE + i); 3406 sc->rf[i].val = val & 0xff; 3407 sc->rf[i].reg = val >> 8; 3408 DPRINTF(("RF%d=0x%02x\n", sc->rf[i].reg, 3409 sc->rf[i].val)); 3410 } 3411 } 3412 3413 /* read RF frequency offset from EEPROM */ 3414 val = rt2860_srom_read(sc, RT2860_EEPROM_FREQ_LEDS); 3415 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0; 3416 DPRINTF(("EEPROM freq offset %d\n", sc->freq & 0xff)); 3417 if ((val >> 8) != 0xff) { 3418 /* read LEDs operating mode */ 3419 sc->leds = val >> 8; 3420 sc->led[0] = rt2860_srom_read(sc, RT2860_EEPROM_LED1); 3421 sc->led[1] = rt2860_srom_read(sc, RT2860_EEPROM_LED2); 3422 sc->led[2] = rt2860_srom_read(sc, RT2860_EEPROM_LED3); 3423 } else { 3424 /* broken EEPROM, use default settings */ 3425 sc->leds = 0x01; 3426 sc->led[0] = 0x5555; 3427 sc->led[1] = 0x2221; 3428 sc->led[2] = 0xa9f8; 3429 } 3430 DPRINTF(("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n", 3431 sc->leds, sc->led[0], sc->led[1], sc->led[2])); 3432 3433 /* read RF information */ 3434 val = rt2860_srom_read(sc, RT2860_EEPROM_ANTENNA); 3435 if (sc->mac_ver >= 0x5390) 3436 sc->rf_rev = rt2860_srom_read(sc, RT2860_EEPROM_CHIPID); 3437 else 3438 sc->rf_rev = (val >> 8) & 0xf; 3439 sc->ntxchains = (val >> 4) & 0xf; 3440 sc->nrxchains = val & 0xf; 3441 DPRINTF(("EEPROM RF rev=0x%02x chains=%dT%dR\n", 3442 sc->rf_rev, sc->ntxchains, sc->nrxchains)); 3443 3444 /* check if RF supports automatic Tx access gain control */ 3445 val = rt2860_srom_read(sc, RT2860_EEPROM_CONFIG); 3446 DPRINTF(("EEPROM CFG 0x%04x\n", val)); 3447 /* check if driver should patch the DAC issue */ 3448 if ((val >> 8) != 0xff) 3449 sc->patch_dac = (val >> 15) & 1; 3450 if ((val & 0xff) != 0xff) { 3451 sc->ext_5ghz_lna = (val >> 3) & 1; 3452 sc->ext_2ghz_lna = (val >> 2) & 1; 3453 /* check if RF supports automatic Tx access gain control */ 3454 sc->calib_2ghz = sc->calib_5ghz = 0; /* XXX (val >> 1) & 1 */ 3455 /* check if we have a hardware radio switch */ 3456 sc->rfswitch = val & 1; 3457 } 3458 if (sc->sc_flags & RT2860_ADVANCED_PS) { 3459 /* read PCIe power save level */ 3460 val = rt2860_srom_read(sc, RT2860_EEPROM_PCIE_PSLEVEL); 3461 if ((val & 0xff) != 0xff) { 3462 sc->pslevel = val & 0x3; 3463 val = rt2860_srom_read(sc, RT2860_EEPROM_REV); 3464 if ((val & 0xff80) != 0x9280) 3465 sc->pslevel = MIN(sc->pslevel, 1); 3466 DPRINTF(("EEPROM PCIe PS Level=%d\n", sc->pslevel)); 3467 } 3468 } 3469 3470 /* read power settings for 2GHz channels */ 3471 for (i = 0; i < 14; i += 2) { 3472 val = rt2860_srom_read(sc, 3473 RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2); 3474 sc->txpow1[i + 0] = (int8_t)(val & 0xff); 3475 sc->txpow1[i + 1] = (int8_t)(val >> 8); 3476 3477 if (sc->mac_ver != 0x5390) { 3478 val = rt2860_srom_read(sc, 3479 RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2); 3480 sc->txpow2[i + 0] = (int8_t)(val & 0xff); 3481 sc->txpow2[i + 1] = (int8_t)(val >> 8); 3482 } 3483 } 3484 /* fix broken Tx power entries */ 3485 for (i = 0; i < 14; i++) { 3486 if (sc->txpow1[i] < 0 || 3487 sc->txpow1[i] > ((sc->mac_ver >= 0x5390) ? 39 : 31)) 3488 sc->txpow1[i] = 5; 3489 if (sc->mac_ver != 0x5390) { 3490 if (sc->txpow2[i] < 0 || 3491 sc->txpow2[i] > ((sc->mac_ver == 0x5392) ? 39 : 31)) 3492 sc->txpow2[i] = 5; 3493 } 3494 DPRINTF(("chan %d: power1=%d, power2=%d\n", 3495 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i])); 3496 } 3497 /* read power settings for 5GHz channels */ 3498 for (i = 0; i < 40; i += 2) { 3499 val = rt2860_srom_read(sc, 3500 RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2); 3501 sc->txpow1[i + 14] = (int8_t)(val & 0xff); 3502 sc->txpow1[i + 15] = (int8_t)(val >> 8); 3503 3504 val = rt2860_srom_read(sc, 3505 RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2); 3506 sc->txpow2[i + 14] = (int8_t)(val & 0xff); 3507 sc->txpow2[i + 15] = (int8_t)(val >> 8); 3508 } 3509 /* fix broken Tx power entries */ 3510 for (i = 0; i < 40; i++) { 3511 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15) 3512 sc->txpow1[14 + i] = 5; 3513 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15) 3514 sc->txpow2[14 + i] = 5; 3515 DPRINTF(("chan %d: power1=%d, power2=%d\n", 3516 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i], 3517 sc->txpow2[14 + i])); 3518 } 3519 3520 /* read Tx power compensation for each Tx rate */ 3521 val = rt2860_srom_read(sc, RT2860_EEPROM_DELTAPWR); 3522 delta_2ghz = delta_5ghz = 0; 3523 if ((val & 0xff) != 0xff && (val & 0x80)) { 3524 delta_2ghz = val & 0xf; 3525 if (!(val & 0x40)) /* negative number */ 3526 delta_2ghz = -delta_2ghz; 3527 } 3528 val >>= 8; 3529 if ((val & 0xff) != 0xff && (val & 0x80)) { 3530 delta_5ghz = val & 0xf; 3531 if (!(val & 0x40)) /* negative number */ 3532 delta_5ghz = -delta_5ghz; 3533 } 3534 DPRINTF(("power compensation=%d (2GHz), %d (5GHz)\n", 3535 delta_2ghz, delta_5ghz)); 3536 3537 for (ridx = 0; ridx < 5; ridx++) { 3538 uint32_t reg; 3539 3540 val = rt2860_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2); 3541 reg = val; 3542 val = rt2860_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1); 3543 reg |= (uint32_t)val << 16; 3544 3545 sc->txpow20mhz[ridx] = reg; 3546 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz); 3547 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz); 3548 3549 DPRINTF(("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, " 3550 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx], 3551 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx])); 3552 } 3553 3554 /* read factory-calibrated samples for temperature compensation */ 3555 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI1_2GHZ); 3556 sc->tssi_2ghz[0] = val & 0xff; /* [-4] */ 3557 sc->tssi_2ghz[1] = val >> 8; /* [-3] */ 3558 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI2_2GHZ); 3559 sc->tssi_2ghz[2] = val & 0xff; /* [-2] */ 3560 sc->tssi_2ghz[3] = val >> 8; /* [-1] */ 3561 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI3_2GHZ); 3562 sc->tssi_2ghz[4] = val & 0xff; /* [+0] */ 3563 sc->tssi_2ghz[5] = val >> 8; /* [+1] */ 3564 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI4_2GHZ); 3565 sc->tssi_2ghz[6] = val & 0xff; /* [+2] */ 3566 sc->tssi_2ghz[7] = val >> 8; /* [+3] */ 3567 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI5_2GHZ); 3568 sc->tssi_2ghz[8] = val & 0xff; /* [+4] */ 3569 sc->step_2ghz = val >> 8; 3570 DPRINTF(("TSSI 2GHz: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x " 3571 "0x%02x 0x%02x step=%d\n", sc->tssi_2ghz[0], sc->tssi_2ghz[1], 3572 sc->tssi_2ghz[2], sc->tssi_2ghz[3], sc->tssi_2ghz[4], 3573 sc->tssi_2ghz[5], sc->tssi_2ghz[6], sc->tssi_2ghz[7], 3574 sc->tssi_2ghz[8], sc->step_2ghz)); 3575 /* check that ref value is correct, otherwise disable calibration */ 3576 if (sc->tssi_2ghz[4] == 0xff) 3577 sc->calib_2ghz = 0; 3578 3579 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI1_5GHZ); 3580 sc->tssi_5ghz[0] = val & 0xff; /* [-4] */ 3581 sc->tssi_5ghz[1] = val >> 8; /* [-3] */ 3582 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI2_5GHZ); 3583 sc->tssi_5ghz[2] = val & 0xff; /* [-2] */ 3584 sc->tssi_5ghz[3] = val >> 8; /* [-1] */ 3585 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI3_5GHZ); 3586 sc->tssi_5ghz[4] = val & 0xff; /* [+0] */ 3587 sc->tssi_5ghz[5] = val >> 8; /* [+1] */ 3588 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI4_5GHZ); 3589 sc->tssi_5ghz[6] = val & 0xff; /* [+2] */ 3590 sc->tssi_5ghz[7] = val >> 8; /* [+3] */ 3591 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI5_5GHZ); 3592 sc->tssi_5ghz[8] = val & 0xff; /* [+4] */ 3593 sc->step_5ghz = val >> 8; 3594 DPRINTF(("TSSI 5GHz: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x " 3595 "0x%02x 0x%02x step=%d\n", sc->tssi_5ghz[0], sc->tssi_5ghz[1], 3596 sc->tssi_5ghz[2], sc->tssi_5ghz[3], sc->tssi_5ghz[4], 3597 sc->tssi_5ghz[5], sc->tssi_5ghz[6], sc->tssi_5ghz[7], 3598 sc->tssi_5ghz[8], sc->step_5ghz)); 3599 /* check that ref value is correct, otherwise disable calibration */ 3600 if (sc->tssi_5ghz[4] == 0xff) 3601 sc->calib_5ghz = 0; 3602 3603 /* read RSSI offsets and LNA gains from EEPROM */ 3604 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ); 3605 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */ 3606 sc->rssi_2ghz[1] = val >> 8; /* Ant B */ 3607 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ); 3608 if (sc->mac_ver >= 0x3071) { 3609 /* 3610 * On RT3090 chips (limited to 2 Rx chains), this ROM 3611 * field contains the Tx mixer gain for the 2GHz band. 3612 */ 3613 if ((val & 0xff) != 0xff) 3614 sc->txmixgain_2ghz = val & 0x7; 3615 DPRINTF(("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz)); 3616 } else 3617 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */ 3618 sc->lna[2] = val >> 8; /* channel group 2 */ 3619 3620 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ); 3621 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */ 3622 sc->rssi_5ghz[1] = val >> 8; /* Ant B */ 3623 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ); 3624 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */ 3625 sc->lna[3] = val >> 8; /* channel group 3 */ 3626 3627 val = rt2860_srom_read(sc, RT2860_EEPROM_LNA); 3628 if (sc->mac_ver >= 0x3071) 3629 sc->lna[0] = RT3090_DEF_LNA; 3630 else /* channel group 0 */ 3631 sc->lna[0] = val & 0xff; 3632 sc->lna[1] = val >> 8; /* channel group 1 */ 3633 3634 /* fix broken 5GHz LNA entries */ 3635 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) { 3636 DPRINTF(("invalid LNA for channel group %d\n", 2)); 3637 sc->lna[2] = sc->lna[1]; 3638 } 3639 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) { 3640 DPRINTF(("invalid LNA for channel group %d\n", 3)); 3641 sc->lna[3] = sc->lna[1]; 3642 } 3643 3644 /* fix broken RSSI offset entries */ 3645 for (ant = 0; ant < 3; ant++) { 3646 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) { 3647 DPRINTF(("invalid RSSI%d offset: %d (2GHz)\n", 3648 ant + 1, sc->rssi_2ghz[ant])); 3649 sc->rssi_2ghz[ant] = 0; 3650 } 3651 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) { 3652 DPRINTF(("invalid RSSI%d offset: %d (5GHz)\n", 3653 ant + 1, sc->rssi_5ghz[ant])); 3654 sc->rssi_5ghz[ant] = 0; 3655 } 3656 } 3657 3658 return 0; 3659 } 3660 3661 static int 3662 rt2860_bbp_init(struct rt2860_softc *sc) 3663 { 3664 int i, ntries; 3665 3666 /* wait for BBP to wake up */ 3667 for (ntries = 0; ntries < 20; ntries++) { 3668 uint8_t bbp0 = rt2860_mcu_bbp_read(sc, 0); 3669 if (bbp0 != 0 && bbp0 != 0xff) 3670 break; 3671 } 3672 if (ntries == 20) { 3673 device_printf(sc->sc_dev, 3674 "timeout waiting for BBP to wake up\n"); 3675 return (ETIMEDOUT); 3676 } 3677 3678 /* initialize BBP registers to default values */ 3679 if (sc->mac_ver >= 0x5390) 3680 rt5390_bbp_init(sc); 3681 else { 3682 for (i = 0; i < nitems(rt2860_def_bbp); i++) { 3683 rt2860_mcu_bbp_write(sc, rt2860_def_bbp[i].reg, 3684 rt2860_def_bbp[i].val); 3685 } 3686 } 3687 3688 /* fix BBP84 for RT2860E */ 3689 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101) 3690 rt2860_mcu_bbp_write(sc, 84, 0x19); 3691 3692 if (sc->mac_ver >= 0x3071) { 3693 rt2860_mcu_bbp_write(sc, 79, 0x13); 3694 rt2860_mcu_bbp_write(sc, 80, 0x05); 3695 rt2860_mcu_bbp_write(sc, 81, 0x33); 3696 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) { 3697 rt2860_mcu_bbp_write(sc, 69, 0x16); 3698 rt2860_mcu_bbp_write(sc, 73, 0x12); 3699 } 3700 3701 return 0; 3702 } 3703 3704 static void 3705 rt5390_bbp_init(struct rt2860_softc *sc) 3706 { 3707 uint8_t bbp; 3708 int i; 3709 3710 /* Apply maximum likelihood detection for 2 stream case. */ 3711 if (sc->nrxchains > 1) { 3712 bbp = rt2860_mcu_bbp_read(sc, 105); 3713 rt2860_mcu_bbp_write(sc, 105, bbp | RT5390_MLD); 3714 } 3715 3716 /* Avoid data lost and CRC error. */ 3717 bbp = rt2860_mcu_bbp_read(sc, 4); 3718 rt2860_mcu_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL); 3719 3720 for (i = 0; i < nitems(rt5390_def_bbp); i++) { 3721 rt2860_mcu_bbp_write(sc, rt5390_def_bbp[i].reg, 3722 rt5390_def_bbp[i].val); 3723 } 3724 3725 if (sc->mac_ver == 0x5392) { 3726 rt2860_mcu_bbp_write(sc, 84, 0x9a); 3727 rt2860_mcu_bbp_write(sc, 95, 0x9a); 3728 rt2860_mcu_bbp_write(sc, 98, 0x12); 3729 rt2860_mcu_bbp_write(sc, 106, 0x05); 3730 rt2860_mcu_bbp_write(sc, 134, 0xd0); 3731 rt2860_mcu_bbp_write(sc, 135, 0xf6); 3732 } 3733 3734 bbp = rt2860_mcu_bbp_read(sc, 152); 3735 rt2860_mcu_bbp_write(sc, 152, bbp | 0x80); 3736 3737 /* Disable hardware antenna diversity. */ 3738 if (sc->mac_ver == 0x5390) 3739 rt2860_mcu_bbp_write(sc, 154, 0); 3740 } 3741 3742 static int 3743 rt2860_txrx_enable(struct rt2860_softc *sc) 3744 { 3745 struct ieee80211com *ic = &sc->sc_ic; 3746 uint32_t tmp; 3747 int ntries; 3748 3749 /* enable Tx/Rx DMA engine */ 3750 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN); 3751 RAL_BARRIER_READ_WRITE(sc); 3752 for (ntries = 0; ntries < 200; ntries++) { 3753 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3754 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 3755 break; 3756 DELAY(1000); 3757 } 3758 if (ntries == 200) { 3759 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 3760 return ETIMEDOUT; 3761 } 3762 3763 DELAY(50); 3764 3765 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | 3766 RT2860_WPDMA_BT_SIZE64 << RT2860_WPDMA_BT_SIZE_SHIFT; 3767 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3768 3769 /* set Rx filter */ 3770 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR; 3771 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 3772 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL | 3773 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK | 3774 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV | 3775 RT2860_DROP_CFACK | RT2860_DROP_CFEND; 3776 if (ic->ic_opmode == IEEE80211_M_STA) 3777 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL; 3778 } 3779 RAL_WRITE(sc, RT2860_RX_FILTR_CFG, tmp); 3780 3781 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 3782 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 3783 3784 return 0; 3785 } 3786 3787 static void 3788 rt2860_init(void *arg) 3789 { 3790 struct rt2860_softc *sc = arg; 3791 struct ieee80211com *ic = &sc->sc_ic; 3792 3793 RAL_LOCK(sc); 3794 rt2860_init_locked(sc); 3795 RAL_UNLOCK(sc); 3796 3797 if (sc->sc_flags & RT2860_RUNNING) 3798 ieee80211_start_all(ic); 3799 } 3800 3801 static void 3802 rt2860_init_locked(struct rt2860_softc *sc) 3803 { 3804 struct ieee80211com *ic = &sc->sc_ic; 3805 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3806 uint32_t tmp; 3807 uint8_t bbp1, bbp3; 3808 int i, qid, ridx, ntries, error; 3809 3810 RAL_LOCK_ASSERT(sc); 3811 3812 if (sc->rfswitch) { 3813 /* hardware has a radio switch on GPIO pin 2 */ 3814 if (!(RAL_READ(sc, RT2860_GPIO_CTRL) & (1 << 2))) { 3815 device_printf(sc->sc_dev, 3816 "radio is disabled by hardware switch\n"); 3817 #ifdef notyet 3818 rt2860_stop_locked(sc); 3819 return; 3820 #endif 3821 } 3822 } 3823 RAL_WRITE(sc, RT2860_PWR_PIN_CFG, RT2860_IO_RA_PE); 3824 3825 /* disable DMA */ 3826 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3827 tmp &= ~(RT2860_RX_DMA_BUSY | RT2860_RX_DMA_EN | RT2860_TX_DMA_BUSY | 3828 RT2860_TX_DMA_EN); 3829 tmp |= RT2860_TX_WB_DDONE; 3830 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3831 3832 /* reset DMA indexes */ 3833 RAL_WRITE(sc, RT2860_WPDMA_RST_IDX, RT2860_RST_DRX_IDX0 | 3834 RT2860_RST_DTX_IDX5 | RT2860_RST_DTX_IDX4 | RT2860_RST_DTX_IDX3 | 3835 RT2860_RST_DTX_IDX2 | RT2860_RST_DTX_IDX1 | RT2860_RST_DTX_IDX0); 3836 3837 /* PBF hardware reset */ 3838 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe1f); 3839 RAL_BARRIER_WRITE(sc); 3840 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe00); 3841 3842 if ((error = rt2860_load_microcode(sc)) != 0) { 3843 device_printf(sc->sc_dev, "could not load 8051 microcode\n"); 3844 rt2860_stop_locked(sc); 3845 return; 3846 } 3847 3848 rt2860_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr); 3849 3850 /* init Tx power for all Tx rates (from EEPROM) */ 3851 for (ridx = 0; ridx < 5; ridx++) { 3852 if (sc->txpow20mhz[ridx] == 0xffffffff) 3853 continue; 3854 RAL_WRITE(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]); 3855 } 3856 3857 for (ntries = 0; ntries < 100; ntries++) { 3858 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3859 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 3860 break; 3861 DELAY(1000); 3862 } 3863 if (ntries == 100) { 3864 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 3865 rt2860_stop_locked(sc); 3866 return; 3867 } 3868 tmp &= ~(RT2860_RX_DMA_BUSY | RT2860_RX_DMA_EN | RT2860_TX_DMA_BUSY | 3869 RT2860_TX_DMA_EN); 3870 tmp |= RT2860_TX_WB_DDONE; 3871 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3872 3873 /* reset Rx ring and all 6 Tx rings */ 3874 RAL_WRITE(sc, RT2860_WPDMA_RST_IDX, 0x1003f); 3875 3876 /* PBF hardware reset */ 3877 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe1f); 3878 RAL_BARRIER_WRITE(sc); 3879 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe00); 3880 3881 RAL_WRITE(sc, RT2860_PWR_PIN_CFG, RT2860_IO_RA_PE | RT2860_IO_RF_PE); 3882 3883 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 3884 RAL_BARRIER_WRITE(sc); 3885 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 0); 3886 3887 for (i = 0; i < nitems(rt2860_def_mac); i++) 3888 RAL_WRITE(sc, rt2860_def_mac[i].reg, rt2860_def_mac[i].val); 3889 if (sc->mac_ver >= 0x5390) 3890 RAL_WRITE(sc, RT2860_TX_SW_CFG0, 0x00000404); 3891 else if (sc->mac_ver >= 0x3071) { 3892 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */ 3893 RAL_WRITE(sc, RT2860_TX_SW_CFG0, 3894 4 << RT2860_DLY_PAPE_EN_SHIFT); 3895 } 3896 3897 if (!(RAL_READ(sc, RT2860_PCI_CFG) & RT2860_PCI_CFG_PCI)) { 3898 sc->sc_flags |= RT2860_PCIE; 3899 /* PCIe has different clock cycle count than PCI */ 3900 tmp = RAL_READ(sc, RT2860_US_CYC_CNT); 3901 tmp = (tmp & ~0xff) | 0x7d; 3902 RAL_WRITE(sc, RT2860_US_CYC_CNT, tmp); 3903 } 3904 3905 /* wait while MAC is busy */ 3906 for (ntries = 0; ntries < 100; ntries++) { 3907 if (!(RAL_READ(sc, RT2860_MAC_STATUS_REG) & 3908 (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY))) 3909 break; 3910 DELAY(1000); 3911 } 3912 if (ntries == 100) { 3913 device_printf(sc->sc_dev, "timeout waiting for MAC\n"); 3914 rt2860_stop_locked(sc); 3915 return; 3916 } 3917 3918 /* clear Host to MCU mailbox */ 3919 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, 0); 3920 RAL_WRITE(sc, RT2860_H2M_MAILBOX, 0); 3921 3922 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0, 0); 3923 DELAY(1000); 3924 3925 if ((error = rt2860_bbp_init(sc)) != 0) { 3926 rt2860_stop_locked(sc); 3927 return; 3928 } 3929 3930 /* clear RX WCID search table */ 3931 RAL_SET_REGION_4(sc, RT2860_WCID_ENTRY(0), 0, 512); 3932 /* clear pairwise key table */ 3933 RAL_SET_REGION_4(sc, RT2860_PKEY(0), 0, 2048); 3934 /* clear IV/EIV table */ 3935 RAL_SET_REGION_4(sc, RT2860_IVEIV(0), 0, 512); 3936 /* clear WCID attribute table */ 3937 RAL_SET_REGION_4(sc, RT2860_WCID_ATTR(0), 0, 256); 3938 /* clear shared key table */ 3939 RAL_SET_REGION_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32); 3940 /* clear shared key mode */ 3941 RAL_SET_REGION_4(sc, RT2860_SKEY_MODE_0_7, 0, 4); 3942 3943 /* init Tx rings (4 EDCAs + HCCA + Mgt) */ 3944 for (qid = 0; qid < 6; qid++) { 3945 RAL_WRITE(sc, RT2860_TX_BASE_PTR(qid), sc->txq[qid].paddr); 3946 RAL_WRITE(sc, RT2860_TX_MAX_CNT(qid), RT2860_TX_RING_COUNT); 3947 RAL_WRITE(sc, RT2860_TX_CTX_IDX(qid), 0); 3948 } 3949 3950 /* init Rx ring */ 3951 RAL_WRITE(sc, RT2860_RX_BASE_PTR, sc->rxq.paddr); 3952 RAL_WRITE(sc, RT2860_RX_MAX_CNT, RT2860_RX_RING_COUNT); 3953 RAL_WRITE(sc, RT2860_RX_CALC_IDX, RT2860_RX_RING_COUNT - 1); 3954 3955 /* setup maximum buffer sizes */ 3956 RAL_WRITE(sc, RT2860_MAX_LEN_CFG, 1 << 12 | 3957 (MCLBYTES - sizeof (struct rt2860_rxwi) - 2)); 3958 3959 for (ntries = 0; ntries < 100; ntries++) { 3960 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3961 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 3962 break; 3963 DELAY(1000); 3964 } 3965 if (ntries == 100) { 3966 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 3967 rt2860_stop_locked(sc); 3968 return; 3969 } 3970 tmp &= ~(RT2860_RX_DMA_BUSY | RT2860_RX_DMA_EN | RT2860_TX_DMA_BUSY | 3971 RT2860_TX_DMA_EN); 3972 tmp |= RT2860_TX_WB_DDONE; 3973 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3974 3975 /* disable interrupts mitigation */ 3976 RAL_WRITE(sc, RT2860_DELAY_INT_CFG, 0); 3977 3978 /* write vendor-specific BBP values (from EEPROM) */ 3979 for (i = 0; i < 8; i++) { 3980 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff) 3981 continue; 3982 rt2860_mcu_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val); 3983 } 3984 3985 /* select Main antenna for 1T1R devices */ 3986 if (sc->rf_rev == RT3070_RF_2020 || 3987 sc->rf_rev == RT3070_RF_3020 || 3988 sc->rf_rev == RT3070_RF_3320 || 3989 sc->mac_ver == 0x5390) 3990 rt3090_set_rx_antenna(sc, 0); 3991 3992 /* send LEDs operating mode to microcontroller */ 3993 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0], 0); 3994 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1], 0); 3995 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2], 0); 3996 3997 if (sc->mac_ver >= 0x5390) 3998 rt5390_rf_init(sc); 3999 else if (sc->mac_ver >= 0x3071) { 4000 if ((error = rt3090_rf_init(sc)) != 0) { 4001 rt2860_stop_locked(sc); 4002 return; 4003 } 4004 } 4005 4006 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_SLEEP, 0x02ff, 1); 4007 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_WAKEUP, 0, 1); 4008 4009 if (sc->mac_ver >= 0x5390) 4010 rt5390_rf_wakeup(sc); 4011 else if (sc->mac_ver >= 0x3071) 4012 rt3090_rf_wakeup(sc); 4013 4014 /* disable non-existing Rx chains */ 4015 bbp3 = rt2860_mcu_bbp_read(sc, 3); 4016 bbp3 &= ~(1 << 3 | 1 << 4); 4017 if (sc->nrxchains == 2) 4018 bbp3 |= 1 << 3; 4019 else if (sc->nrxchains == 3) 4020 bbp3 |= 1 << 4; 4021 rt2860_mcu_bbp_write(sc, 3, bbp3); 4022 4023 /* disable non-existing Tx chains */ 4024 bbp1 = rt2860_mcu_bbp_read(sc, 1); 4025 if (sc->ntxchains == 1) 4026 bbp1 = (bbp1 & ~(1 << 3 | 1 << 4)); 4027 else if (sc->mac_ver == 0x3593 && sc->ntxchains == 2) 4028 bbp1 = (bbp1 & ~(1 << 4)) | 1 << 3; 4029 else if (sc->mac_ver == 0x3593 && sc->ntxchains == 3) 4030 bbp1 = (bbp1 & ~(1 << 3)) | 1 << 4; 4031 rt2860_mcu_bbp_write(sc, 1, bbp1); 4032 4033 if (sc->mac_ver >= 0x3071) 4034 rt3090_rf_setup(sc); 4035 4036 /* select default channel */ 4037 rt2860_switch_chan(sc, ic->ic_curchan); 4038 4039 /* reset RF from MCU */ 4040 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0, 0); 4041 4042 /* set RTS threshold */ 4043 tmp = RAL_READ(sc, RT2860_TX_RTS_CFG); 4044 tmp &= ~0xffff00; 4045 tmp |= IEEE80211_RTS_DEFAULT << 8; 4046 RAL_WRITE(sc, RT2860_TX_RTS_CFG, tmp); 4047 4048 /* setup initial protection mode */ 4049 rt2860_updateprot(sc); 4050 4051 /* turn radio LED on */ 4052 rt2860_set_leds(sc, RT2860_LED_RADIO); 4053 4054 /* enable Tx/Rx DMA engine */ 4055 if ((error = rt2860_txrx_enable(sc)) != 0) { 4056 rt2860_stop_locked(sc); 4057 return; 4058 } 4059 4060 /* clear pending interrupts */ 4061 RAL_WRITE(sc, RT2860_INT_STATUS, 0xffffffff); 4062 /* enable interrupts */ 4063 RAL_WRITE(sc, RT2860_INT_MASK, 0x3fffc); 4064 4065 if (sc->sc_flags & RT2860_ADVANCED_PS) 4066 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_PSLEVEL, sc->pslevel, 0); 4067 4068 sc->sc_flags |= RT2860_RUNNING; 4069 4070 callout_reset(&sc->watchdog_ch, hz, rt2860_watchdog, sc); 4071 } 4072 4073 static void 4074 rt2860_stop(void *arg) 4075 { 4076 struct rt2860_softc *sc = arg; 4077 4078 RAL_LOCK(sc); 4079 rt2860_stop_locked(sc); 4080 RAL_UNLOCK(sc); 4081 } 4082 4083 static void 4084 rt2860_stop_locked(struct rt2860_softc *sc) 4085 { 4086 uint32_t tmp; 4087 int qid; 4088 4089 if (sc->sc_flags & RT2860_RUNNING) 4090 rt2860_set_leds(sc, 0); /* turn all LEDs off */ 4091 4092 callout_stop(&sc->watchdog_ch); 4093 sc->sc_tx_timer = 0; 4094 sc->sc_flags &= ~RT2860_RUNNING; 4095 4096 /* disable interrupts */ 4097 RAL_WRITE(sc, RT2860_INT_MASK, 0); 4098 4099 /* disable GP timer */ 4100 rt2860_set_gp_timer(sc, 0); 4101 4102 /* disable Rx */ 4103 tmp = RAL_READ(sc, RT2860_MAC_SYS_CTRL); 4104 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4105 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, tmp); 4106 4107 /* reset adapter */ 4108 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 4109 RAL_BARRIER_WRITE(sc); 4110 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 0); 4111 4112 /* reset Tx and Rx rings (and reclaim TXWIs) */ 4113 sc->qfullmsk = 0; 4114 for (qid = 0; qid < 6; qid++) 4115 rt2860_reset_tx_ring(sc, &sc->txq[qid]); 4116 rt2860_reset_rx_ring(sc, &sc->rxq); 4117 } 4118 4119 int 4120 rt2860_load_microcode(struct rt2860_softc *sc) 4121 { 4122 const struct firmware *fp; 4123 int ntries, error; 4124 4125 RAL_LOCK_ASSERT(sc); 4126 4127 RAL_UNLOCK(sc); 4128 fp = firmware_get("rt2860fw"); 4129 RAL_LOCK(sc); 4130 if (fp == NULL) { 4131 device_printf(sc->sc_dev, 4132 "unable to receive rt2860fw firmware image\n"); 4133 return EINVAL; 4134 } 4135 4136 /* set "host program ram write selection" bit */ 4137 RAL_WRITE(sc, RT2860_SYS_CTRL, RT2860_HST_PM_SEL); 4138 /* write microcode image */ 4139 RAL_WRITE_REGION_1(sc, RT2860_FW_BASE, fp->data, fp->datasize); 4140 /* kick microcontroller unit */ 4141 RAL_WRITE(sc, RT2860_SYS_CTRL, 0); 4142 RAL_BARRIER_WRITE(sc); 4143 RAL_WRITE(sc, RT2860_SYS_CTRL, RT2860_MCU_RESET); 4144 4145 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, 0); 4146 RAL_WRITE(sc, RT2860_H2M_MAILBOX, 0); 4147 4148 /* wait until microcontroller is ready */ 4149 RAL_BARRIER_READ_WRITE(sc); 4150 for (ntries = 0; ntries < 1000; ntries++) { 4151 if (RAL_READ(sc, RT2860_SYS_CTRL) & RT2860_MCU_READY) 4152 break; 4153 DELAY(1000); 4154 } 4155 if (ntries == 1000) { 4156 device_printf(sc->sc_dev, 4157 "timeout waiting for MCU to initialize\n"); 4158 error = ETIMEDOUT; 4159 } else 4160 error = 0; 4161 4162 firmware_put(fp, FIRMWARE_UNLOAD); 4163 return error; 4164 } 4165 4166 /* 4167 * This function is called periodically to adjust Tx power based on 4168 * temperature variation. 4169 */ 4170 #ifdef NOT_YET 4171 static void 4172 rt2860_calib(struct rt2860_softc *sc) 4173 { 4174 struct ieee80211com *ic = &sc->sc_ic; 4175 const uint8_t *tssi; 4176 uint8_t step, bbp49; 4177 int8_t ridx, d; 4178 4179 /* read current temperature */ 4180 bbp49 = rt2860_mcu_bbp_read(sc, 49); 4181 4182 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_bss->ni_chan)) { 4183 tssi = &sc->tssi_2ghz[4]; 4184 step = sc->step_2ghz; 4185 } else { 4186 tssi = &sc->tssi_5ghz[4]; 4187 step = sc->step_5ghz; 4188 } 4189 4190 if (bbp49 < tssi[0]) { /* lower than reference */ 4191 /* use higher Tx power than default */ 4192 for (d = 0; d > -4 && bbp49 <= tssi[d - 1]; d--); 4193 } else if (bbp49 > tssi[0]) { /* greater than reference */ 4194 /* use lower Tx power than default */ 4195 for (d = 0; d < +4 && bbp49 >= tssi[d + 1]; d++); 4196 } else { 4197 /* use default Tx power */ 4198 d = 0; 4199 } 4200 d *= step; 4201 4202 DPRINTF(("BBP49=0x%02x, adjusting Tx power by %d\n", bbp49, d)); 4203 4204 /* write adjusted Tx power values for each Tx rate */ 4205 for (ridx = 0; ridx < 5; ridx++) { 4206 if (sc->txpow20mhz[ridx] == 0xffffffff) 4207 continue; 4208 RAL_WRITE(sc, RT2860_TX_PWR_CFG(ridx), 4209 b4inc(sc->txpow20mhz[ridx], d)); 4210 } 4211 } 4212 #endif 4213 4214 static void 4215 rt3090_set_rx_antenna(struct rt2860_softc *sc, int aux) 4216 { 4217 uint32_t tmp; 4218 4219 if (aux) { 4220 if (sc->mac_ver == 0x5390) { 4221 rt2860_mcu_bbp_write(sc, 152, 4222 rt2860_mcu_bbp_read(sc, 152) & ~0x80); 4223 } else { 4224 tmp = RAL_READ(sc, RT2860_PCI_EECTRL); 4225 RAL_WRITE(sc, RT2860_PCI_EECTRL, tmp & ~RT2860_C); 4226 tmp = RAL_READ(sc, RT2860_GPIO_CTRL); 4227 RAL_WRITE(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08); 4228 } 4229 } else { 4230 if (sc->mac_ver == 0x5390) { 4231 rt2860_mcu_bbp_write(sc, 152, 4232 rt2860_mcu_bbp_read(sc, 152) | 0x80); 4233 } else { 4234 tmp = RAL_READ(sc, RT2860_PCI_EECTRL); 4235 RAL_WRITE(sc, RT2860_PCI_EECTRL, tmp | RT2860_C); 4236 tmp = RAL_READ(sc, RT2860_GPIO_CTRL); 4237 RAL_WRITE(sc, RT2860_GPIO_CTRL, tmp & ~0x0808); 4238 } 4239 } 4240 } 4241 4242 static void 4243 rt2860_switch_chan(struct rt2860_softc *sc, struct ieee80211_channel *c) 4244 { 4245 struct ieee80211com *ic = &sc->sc_ic; 4246 u_int chan, group; 4247 4248 chan = ieee80211_chan2ieee(ic, c); 4249 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 4250 return; 4251 4252 if (sc->mac_ver >= 0x5390) 4253 rt5390_set_chan(sc, chan); 4254 else if (sc->mac_ver >= 0x3071) 4255 rt3090_set_chan(sc, chan); 4256 else 4257 rt2860_set_chan(sc, chan); 4258 4259 /* determine channel group */ 4260 if (chan <= 14) 4261 group = 0; 4262 else if (chan <= 64) 4263 group = 1; 4264 else if (chan <= 128) 4265 group = 2; 4266 else 4267 group = 3; 4268 4269 /* XXX necessary only when group has changed! */ 4270 if (sc->mac_ver < 0x5390) 4271 rt2860_select_chan_group(sc, group); 4272 4273 DELAY(1000); 4274 } 4275 4276 static int 4277 rt2860_setup_beacon(struct rt2860_softc *sc, struct ieee80211vap *vap) 4278 { 4279 struct ieee80211com *ic = vap->iv_ic; 4280 struct rt2860_txwi txwi; 4281 struct mbuf *m; 4282 int ridx; 4283 4284 if ((m = ieee80211_beacon_alloc(vap->iv_bss)) == NULL) 4285 return ENOBUFS; 4286 4287 memset(&txwi, 0, sizeof txwi); 4288 txwi.wcid = 0xff; 4289 txwi.len = htole16(m->m_pkthdr.len); 4290 /* send beacons at the lowest available rate */ 4291 ridx = IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan) ? 4292 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 4293 txwi.phy = htole16(rt2860_rates[ridx].mcs); 4294 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM) 4295 txwi.phy |= htole16(RT2860_PHY_OFDM); 4296 txwi.txop = RT2860_TX_TXOP_HT; 4297 txwi.flags = RT2860_TX_TS; 4298 txwi.xflags = RT2860_TX_NSEQ; 4299 4300 RAL_WRITE_REGION_1(sc, RT2860_BCN_BASE(0), 4301 (uint8_t *)&txwi, sizeof txwi); 4302 RAL_WRITE_REGION_1(sc, RT2860_BCN_BASE(0) + sizeof txwi, 4303 mtod(m, uint8_t *), m->m_pkthdr.len); 4304 4305 m_freem(m); 4306 4307 return 0; 4308 } 4309 4310 static void 4311 rt2860_enable_tsf_sync(struct rt2860_softc *sc) 4312 { 4313 struct ieee80211com *ic = &sc->sc_ic; 4314 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4315 uint32_t tmp; 4316 4317 tmp = RAL_READ(sc, RT2860_BCN_TIME_CFG); 4318 4319 tmp &= ~0x1fffff; 4320 tmp |= vap->iv_bss->ni_intval * 16; 4321 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN; 4322 if (vap->iv_opmode == IEEE80211_M_STA) { 4323 /* 4324 * Local TSF is always updated with remote TSF on beacon 4325 * reception. 4326 */ 4327 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT; 4328 } 4329 else if (vap->iv_opmode == IEEE80211_M_IBSS || 4330 vap->iv_opmode == IEEE80211_M_MBSS) { 4331 tmp |= RT2860_BCN_TX_EN; 4332 /* 4333 * Local TSF is updated with remote TSF on beacon reception 4334 * only if the remote TSF is greater than local TSF. 4335 */ 4336 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT; 4337 } else if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 4338 tmp |= RT2860_BCN_TX_EN; 4339 /* SYNC with nobody */ 4340 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT; 4341 } 4342 4343 RAL_WRITE(sc, RT2860_BCN_TIME_CFG, tmp); 4344 } 4345