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sys/dev/ral/rt2860.c
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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_5ghz[] = 232 { 36, 38, 40, 44, 46, 48, 52, 54, 56, 60, 62, 64, 100, 102, 104, 233 108, 110, 112, 116, 118, 120, 124, 126, 128, 132, 134, 136, 140, 234 149, 151, 153, 157, 159, 161, 165, 167, 169, 171, 173 }; 235 236 int 237 rt2860_attach(device_t dev, int id) 238 { 239 struct rt2860_softc *sc = device_get_softc(dev); 240 struct ieee80211com *ic = &sc->sc_ic; 241 uint32_t tmp; 242 int error, ntries, qid; 243 244 sc->sc_dev = dev; 245 sc->sc_debug = 0; 246 247 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 248 MTX_DEF | MTX_RECURSE); 249 250 callout_init_mtx(&sc->watchdog_ch, &sc->sc_mtx, 0); 251 mbufq_init(&sc->sc_snd, ifqmaxlen); 252 253 /* wait for NIC to initialize */ 254 for (ntries = 0; ntries < 100; ntries++) { 255 tmp = RAL_READ(sc, RT2860_ASIC_VER_ID); 256 if (tmp != 0 && tmp != 0xffffffff) 257 break; 258 DELAY(10); 259 } 260 if (ntries == 100) { 261 device_printf(sc->sc_dev, 262 "timeout waiting for NIC to initialize\n"); 263 error = EIO; 264 goto fail1; 265 } 266 sc->mac_ver = tmp >> 16; 267 sc->mac_rev = tmp & 0xffff; 268 269 if (sc->mac_ver != 0x2860 && 270 (id == 0x0681 || id == 0x0781 || id == 0x1059)) 271 sc->sc_flags |= RT2860_ADVANCED_PS; 272 273 /* retrieve RF rev. no and various other things from EEPROM */ 274 rt2860_read_eeprom(sc, ic->ic_macaddr); 275 device_printf(sc->sc_dev, "MAC/BBP RT%X (rev 0x%04X), " 276 "RF %s (MIMO %dT%dR), address %6D\n", 277 sc->mac_ver, sc->mac_rev, rt2860_get_rf(sc->rf_rev), 278 sc->ntxchains, sc->nrxchains, ic->ic_macaddr, ":"); 279 280 /* 281 * Allocate Tx (4 EDCAs + HCCA + Mgt) and Rx rings. 282 */ 283 for (qid = 0; qid < 6; qid++) { 284 if ((error = rt2860_alloc_tx_ring(sc, &sc->txq[qid])) != 0) { 285 device_printf(sc->sc_dev, 286 "could not allocate Tx ring %d\n", qid); 287 goto fail2; 288 } 289 } 290 291 if ((error = rt2860_alloc_rx_ring(sc, &sc->rxq)) != 0) { 292 device_printf(sc->sc_dev, "could not allocate Rx ring\n"); 293 goto fail2; 294 } 295 296 if ((error = rt2860_alloc_tx_pool(sc)) != 0) { 297 device_printf(sc->sc_dev, "could not allocate Tx pool\n"); 298 goto fail3; 299 } 300 301 /* mgmt ring is broken on RT2860C, use EDCA AC VO ring instead */ 302 sc->mgtqid = (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) ? 303 WME_AC_VO : 5; 304 305 ic->ic_softc = sc; 306 ic->ic_name = device_get_nameunit(dev); 307 ic->ic_opmode = IEEE80211_M_STA; 308 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 309 310 /* set device capabilities */ 311 ic->ic_caps = 312 IEEE80211_C_STA /* station mode */ 313 | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */ 314 | IEEE80211_C_HOSTAP /* hostap mode */ 315 | IEEE80211_C_MONITOR /* monitor mode */ 316 | IEEE80211_C_AHDEMO /* adhoc demo mode */ 317 | IEEE80211_C_WDS /* 4-address traffic works */ 318 | IEEE80211_C_MBSS /* mesh point link mode */ 319 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 320 | IEEE80211_C_SHSLOT /* short slot time supported */ 321 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */ 322 #if 0 323 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 324 #endif 325 | IEEE80211_C_WME /* 802.11e */ 326 ; 327 328 rt2860_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, 329 ic->ic_channels); 330 331 ieee80211_ifattach(ic); 332 333 ic->ic_wme.wme_update = rt2860_updateedca; 334 ic->ic_scan_start = rt2860_scan_start; 335 ic->ic_scan_end = rt2860_scan_end; 336 ic->ic_getradiocaps = rt2860_getradiocaps; 337 ic->ic_set_channel = rt2860_set_channel; 338 ic->ic_updateslot = rt2860_updateslot; 339 ic->ic_update_promisc = rt2860_update_promisc; 340 ic->ic_raw_xmit = rt2860_raw_xmit; 341 sc->sc_node_free = ic->ic_node_free; 342 ic->ic_node_free = rt2860_node_free; 343 ic->ic_newassoc = rt2860_newassoc; 344 ic->ic_transmit = rt2860_transmit; 345 ic->ic_parent = rt2860_parent; 346 ic->ic_vap_create = rt2860_vap_create; 347 ic->ic_vap_delete = rt2860_vap_delete; 348 349 ieee80211_radiotap_attach(ic, 350 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 351 RT2860_TX_RADIOTAP_PRESENT, 352 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 353 RT2860_RX_RADIOTAP_PRESENT); 354 355 #ifdef RAL_DEBUG 356 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 357 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 358 "debug", CTLFLAG_RW, &sc->sc_debug, 0, "debug msgs"); 359 #endif 360 if (bootverbose) 361 ieee80211_announce(ic); 362 363 return 0; 364 365 fail3: rt2860_free_rx_ring(sc, &sc->rxq); 366 fail2: while (--qid >= 0) 367 rt2860_free_tx_ring(sc, &sc->txq[qid]); 368 fail1: mtx_destroy(&sc->sc_mtx); 369 return error; 370 } 371 372 int 373 rt2860_detach(void *xsc) 374 { 375 struct rt2860_softc *sc = xsc; 376 struct ieee80211com *ic = &sc->sc_ic; 377 int qid; 378 379 RAL_LOCK(sc); 380 rt2860_stop_locked(sc); 381 RAL_UNLOCK(sc); 382 383 ieee80211_ifdetach(ic); 384 mbufq_drain(&sc->sc_snd); 385 for (qid = 0; qid < 6; qid++) 386 rt2860_free_tx_ring(sc, &sc->txq[qid]); 387 rt2860_free_rx_ring(sc, &sc->rxq); 388 rt2860_free_tx_pool(sc); 389 390 mtx_destroy(&sc->sc_mtx); 391 392 return 0; 393 } 394 395 void 396 rt2860_shutdown(void *xsc) 397 { 398 struct rt2860_softc *sc = xsc; 399 400 rt2860_stop(sc); 401 } 402 403 void 404 rt2860_suspend(void *xsc) 405 { 406 struct rt2860_softc *sc = xsc; 407 408 rt2860_stop(sc); 409 } 410 411 void 412 rt2860_resume(void *xsc) 413 { 414 struct rt2860_softc *sc = xsc; 415 416 if (sc->sc_ic.ic_nrunning > 0) 417 rt2860_init(sc); 418 } 419 420 static struct ieee80211vap * 421 rt2860_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 422 enum ieee80211_opmode opmode, int flags, 423 const uint8_t bssid[IEEE80211_ADDR_LEN], 424 const uint8_t mac[IEEE80211_ADDR_LEN]) 425 { 426 struct rt2860_softc *sc = ic->ic_softc; 427 struct rt2860_vap *rvp; 428 struct ieee80211vap *vap; 429 430 switch (opmode) { 431 case IEEE80211_M_STA: 432 case IEEE80211_M_IBSS: 433 case IEEE80211_M_AHDEMO: 434 case IEEE80211_M_MONITOR: 435 case IEEE80211_M_HOSTAP: 436 case IEEE80211_M_MBSS: 437 /* XXXRP: TBD */ 438 if (!TAILQ_EMPTY(&ic->ic_vaps)) { 439 device_printf(sc->sc_dev, "only 1 vap supported\n"); 440 return NULL; 441 } 442 if (opmode == IEEE80211_M_STA) 443 flags |= IEEE80211_CLONE_NOBEACONS; 444 break; 445 case IEEE80211_M_WDS: 446 if (TAILQ_EMPTY(&ic->ic_vaps) || 447 ic->ic_opmode != IEEE80211_M_HOSTAP) { 448 device_printf(sc->sc_dev, 449 "wds only supported in ap mode\n"); 450 return NULL; 451 } 452 /* 453 * Silently remove any request for a unique 454 * bssid; WDS vap's always share the local 455 * mac address. 456 */ 457 flags &= ~IEEE80211_CLONE_BSSID; 458 break; 459 default: 460 device_printf(sc->sc_dev, "unknown opmode %d\n", opmode); 461 return NULL; 462 } 463 rvp = malloc(sizeof(struct rt2860_vap), M_80211_VAP, M_WAITOK | M_ZERO); 464 vap = &rvp->ral_vap; 465 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 466 467 /* override state transition machine */ 468 rvp->ral_newstate = vap->iv_newstate; 469 vap->iv_newstate = rt2860_newstate; 470 #if 0 471 vap->iv_update_beacon = rt2860_beacon_update; 472 #endif 473 474 /* HW supports up to 255 STAs (0-254) in HostAP and IBSS modes */ 475 vap->iv_max_aid = min(IEEE80211_AID_MAX, RT2860_WCID_MAX); 476 477 ieee80211_ratectl_init(vap); 478 /* complete setup */ 479 ieee80211_vap_attach(vap, ieee80211_media_change, 480 ieee80211_media_status, mac); 481 if (TAILQ_FIRST(&ic->ic_vaps) == vap) 482 ic->ic_opmode = opmode; 483 return vap; 484 } 485 486 static void 487 rt2860_vap_delete(struct ieee80211vap *vap) 488 { 489 struct rt2860_vap *rvp = RT2860_VAP(vap); 490 491 ieee80211_ratectl_deinit(vap); 492 ieee80211_vap_detach(vap); 493 free(rvp, M_80211_VAP); 494 } 495 496 static void 497 rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 498 { 499 if (error != 0) 500 return; 501 502 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg)); 503 504 *(bus_addr_t *)arg = segs[0].ds_addr; 505 } 506 507 static int 508 rt2860_alloc_tx_ring(struct rt2860_softc *sc, struct rt2860_tx_ring *ring) 509 { 510 int size, error; 511 512 size = RT2860_TX_RING_COUNT * sizeof (struct rt2860_txd); 513 514 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 16, 0, 515 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 516 size, 1, size, 0, NULL, NULL, &ring->desc_dmat); 517 if (error != 0) { 518 device_printf(sc->sc_dev, "could not create desc DMA tag\n"); 519 goto fail; 520 } 521 522 error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->txd, 523 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map); 524 if (error != 0) { 525 device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 526 goto fail; 527 } 528 529 error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->txd, 530 size, rt2860_dma_map_addr, &ring->paddr, 0); 531 if (error != 0) { 532 device_printf(sc->sc_dev, "could not load desc DMA map\n"); 533 goto fail; 534 } 535 536 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 537 538 return 0; 539 540 fail: rt2860_free_tx_ring(sc, ring); 541 return error; 542 } 543 544 void 545 rt2860_reset_tx_ring(struct rt2860_softc *sc, struct rt2860_tx_ring *ring) 546 { 547 struct rt2860_tx_data *data; 548 int i; 549 550 for (i = 0; i < RT2860_TX_RING_COUNT; i++) { 551 if ((data = ring->data[i]) == NULL) 552 continue; /* nothing mapped in this slot */ 553 554 if (data->m != NULL) { 555 bus_dmamap_sync(sc->txwi_dmat, data->map, 556 BUS_DMASYNC_POSTWRITE); 557 bus_dmamap_unload(sc->txwi_dmat, data->map); 558 m_freem(data->m); 559 data->m = NULL; 560 } 561 if (data->ni != NULL) { 562 ieee80211_free_node(data->ni); 563 data->ni = NULL; 564 } 565 566 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 567 ring->data[i] = NULL; 568 } 569 570 ring->queued = 0; 571 ring->cur = ring->next = 0; 572 } 573 574 void 575 rt2860_free_tx_ring(struct rt2860_softc *sc, struct rt2860_tx_ring *ring) 576 { 577 struct rt2860_tx_data *data; 578 int i; 579 580 if (ring->txd != NULL) { 581 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, 582 BUS_DMASYNC_POSTWRITE); 583 bus_dmamap_unload(ring->desc_dmat, ring->desc_map); 584 bus_dmamem_free(ring->desc_dmat, ring->txd, ring->desc_map); 585 } 586 if (ring->desc_dmat != NULL) 587 bus_dma_tag_destroy(ring->desc_dmat); 588 589 for (i = 0; i < RT2860_TX_RING_COUNT; i++) { 590 if ((data = ring->data[i]) == NULL) 591 continue; /* nothing mapped in this slot */ 592 593 if (data->m != NULL) { 594 bus_dmamap_sync(sc->txwi_dmat, data->map, 595 BUS_DMASYNC_POSTWRITE); 596 bus_dmamap_unload(sc->txwi_dmat, data->map); 597 m_freem(data->m); 598 } 599 if (data->ni != NULL) 600 ieee80211_free_node(data->ni); 601 602 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 603 } 604 } 605 606 /* 607 * Allocate a pool of TX Wireless Information blocks. 608 */ 609 int 610 rt2860_alloc_tx_pool(struct rt2860_softc *sc) 611 { 612 caddr_t vaddr; 613 bus_addr_t paddr; 614 int i, size, error; 615 616 size = RT2860_TX_POOL_COUNT * RT2860_TXWI_DMASZ; 617 618 /* init data_pool early in case of failure.. */ 619 SLIST_INIT(&sc->data_pool); 620 621 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 622 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 623 size, 1, size, 0, NULL, NULL, &sc->txwi_dmat); 624 if (error != 0) { 625 device_printf(sc->sc_dev, "could not create txwi DMA tag\n"); 626 goto fail; 627 } 628 629 error = bus_dmamem_alloc(sc->txwi_dmat, (void **)&sc->txwi_vaddr, 630 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->txwi_map); 631 if (error != 0) { 632 device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 633 goto fail; 634 } 635 636 error = bus_dmamap_load(sc->txwi_dmat, sc->txwi_map, 637 sc->txwi_vaddr, size, rt2860_dma_map_addr, &paddr, 0); 638 if (error != 0) { 639 device_printf(sc->sc_dev, "could not load txwi DMA map\n"); 640 goto fail; 641 } 642 643 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, BUS_DMASYNC_PREWRITE); 644 645 vaddr = sc->txwi_vaddr; 646 for (i = 0; i < RT2860_TX_POOL_COUNT; i++) { 647 struct rt2860_tx_data *data = &sc->data[i]; 648 649 error = bus_dmamap_create(sc->txwi_dmat, 0, &data->map); 650 if (error != 0) { 651 device_printf(sc->sc_dev, "could not create DMA map\n"); 652 goto fail; 653 } 654 data->txwi = (struct rt2860_txwi *)vaddr; 655 data->paddr = paddr; 656 vaddr += RT2860_TXWI_DMASZ; 657 paddr += RT2860_TXWI_DMASZ; 658 659 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 660 } 661 662 return 0; 663 664 fail: rt2860_free_tx_pool(sc); 665 return error; 666 } 667 668 void 669 rt2860_free_tx_pool(struct rt2860_softc *sc) 670 { 671 if (sc->txwi_vaddr != NULL) { 672 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, 673 BUS_DMASYNC_POSTWRITE); 674 bus_dmamap_unload(sc->txwi_dmat, sc->txwi_map); 675 bus_dmamem_free(sc->txwi_dmat, sc->txwi_vaddr, sc->txwi_map); 676 } 677 if (sc->txwi_dmat != NULL) 678 bus_dma_tag_destroy(sc->txwi_dmat); 679 680 while (!SLIST_EMPTY(&sc->data_pool)) { 681 struct rt2860_tx_data *data; 682 data = SLIST_FIRST(&sc->data_pool); 683 bus_dmamap_destroy(sc->txwi_dmat, data->map); 684 SLIST_REMOVE_HEAD(&sc->data_pool, next); 685 } 686 } 687 688 int 689 rt2860_alloc_rx_ring(struct rt2860_softc *sc, struct rt2860_rx_ring *ring) 690 { 691 bus_addr_t physaddr; 692 int i, size, error; 693 694 size = RT2860_RX_RING_COUNT * sizeof (struct rt2860_rxd); 695 696 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 16, 0, 697 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 698 size, 1, size, 0, NULL, NULL, &ring->desc_dmat); 699 if (error != 0) { 700 device_printf(sc->sc_dev, "could not create desc DMA tag\n"); 701 goto fail; 702 } 703 704 error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->rxd, 705 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map); 706 if (error != 0) { 707 device_printf(sc->sc_dev, "could not allocate DMA memory\n"); 708 goto fail; 709 } 710 711 error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->rxd, 712 size, rt2860_dma_map_addr, &ring->paddr, 0); 713 if (error != 0) { 714 device_printf(sc->sc_dev, "could not load desc DMA map\n"); 715 goto fail; 716 } 717 718 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), 1, 0, 719 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 720 1, MCLBYTES, 0, NULL, NULL, &ring->data_dmat); 721 if (error != 0) { 722 device_printf(sc->sc_dev, "could not create data DMA tag\n"); 723 goto fail; 724 } 725 726 for (i = 0; i < RT2860_RX_RING_COUNT; i++) { 727 struct rt2860_rx_data *data = &ring->data[i]; 728 struct rt2860_rxd *rxd = &ring->rxd[i]; 729 730 error = bus_dmamap_create(ring->data_dmat, 0, &data->map); 731 if (error != 0) { 732 device_printf(sc->sc_dev, "could not create DMA map\n"); 733 goto fail; 734 } 735 736 data->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 737 if (data->m == NULL) { 738 device_printf(sc->sc_dev, 739 "could not allocate rx mbuf\n"); 740 error = ENOMEM; 741 goto fail; 742 } 743 744 error = bus_dmamap_load(ring->data_dmat, data->map, 745 mtod(data->m, void *), MCLBYTES, rt2860_dma_map_addr, 746 &physaddr, 0); 747 if (error != 0) { 748 device_printf(sc->sc_dev, 749 "could not load rx buf DMA map"); 750 goto fail; 751 } 752 753 rxd->sdp0 = htole32(physaddr); 754 rxd->sdl0 = htole16(MCLBYTES); 755 } 756 757 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 758 759 return 0; 760 761 fail: rt2860_free_rx_ring(sc, ring); 762 return error; 763 } 764 765 void 766 rt2860_reset_rx_ring(struct rt2860_softc *sc, struct rt2860_rx_ring *ring) 767 { 768 int i; 769 770 for (i = 0; i < RT2860_RX_RING_COUNT; i++) 771 ring->rxd[i].sdl0 &= ~htole16(RT2860_RX_DDONE); 772 773 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 774 775 ring->cur = 0; 776 } 777 778 void 779 rt2860_free_rx_ring(struct rt2860_softc *sc, struct rt2860_rx_ring *ring) 780 { 781 int i; 782 783 if (ring->rxd != NULL) { 784 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, 785 BUS_DMASYNC_POSTWRITE); 786 bus_dmamap_unload(ring->desc_dmat, ring->desc_map); 787 bus_dmamem_free(ring->desc_dmat, ring->rxd, ring->desc_map); 788 } 789 if (ring->desc_dmat != NULL) 790 bus_dma_tag_destroy(ring->desc_dmat); 791 792 for (i = 0; i < RT2860_RX_RING_COUNT; i++) { 793 struct rt2860_rx_data *data = &ring->data[i]; 794 795 if (data->m != NULL) { 796 bus_dmamap_sync(ring->data_dmat, data->map, 797 BUS_DMASYNC_POSTREAD); 798 bus_dmamap_unload(ring->data_dmat, data->map); 799 m_freem(data->m); 800 } 801 if (data->map != NULL) 802 bus_dmamap_destroy(ring->data_dmat, data->map); 803 } 804 if (ring->data_dmat != NULL) 805 bus_dma_tag_destroy(ring->data_dmat); 806 } 807 808 static void 809 rt2860_updatestats(struct rt2860_softc *sc) 810 { 811 struct ieee80211com *ic = &sc->sc_ic; 812 813 /* 814 * In IBSS or HostAP modes (when the hardware sends beacons), the 815 * MAC can run into a livelock and start sending CTS-to-self frames 816 * like crazy if protection is enabled. Fortunately, we can detect 817 * when such a situation occurs and reset the MAC. 818 */ 819 if (ic->ic_curmode != IEEE80211_M_STA) { 820 /* check if we're in a livelock situation.. */ 821 uint32_t tmp = RAL_READ(sc, RT2860_DEBUG); 822 if ((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))) { 823 /* ..and reset MAC/BBP for a while.. */ 824 DPRINTF(("CTS-to-self livelock detected\n")); 825 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST); 826 RAL_BARRIER_WRITE(sc); 827 DELAY(1); 828 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 829 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 830 } 831 } 832 } 833 834 static void 835 rt2860_newassoc(struct ieee80211_node *ni, int isnew) 836 { 837 struct ieee80211com *ic = ni->ni_ic; 838 struct rt2860_softc *sc = ic->ic_softc; 839 uint8_t wcid; 840 841 wcid = IEEE80211_AID(ni->ni_associd); 842 if (isnew && ni->ni_associd != 0) { 843 sc->wcid2ni[wcid] = ni; 844 845 /* init WCID table entry */ 846 RAL_WRITE_REGION_1(sc, RT2860_WCID_ENTRY(wcid), 847 ni->ni_macaddr, IEEE80211_ADDR_LEN); 848 } 849 DPRINTF(("new assoc isnew=%d addr=%s WCID=%d\n", 850 isnew, ether_sprintf(ni->ni_macaddr), wcid)); 851 } 852 853 static void 854 rt2860_node_free(struct ieee80211_node *ni) 855 { 856 struct ieee80211com *ic = ni->ni_ic; 857 struct rt2860_softc *sc = ic->ic_softc; 858 uint8_t wcid; 859 860 if (ni->ni_associd != 0) { 861 wcid = IEEE80211_AID(ni->ni_associd); 862 863 /* clear Rx WCID search table entry */ 864 RAL_SET_REGION_4(sc, RT2860_WCID_ENTRY(wcid), 0, 2); 865 } 866 sc->sc_node_free(ni); 867 } 868 869 #ifdef IEEE80211_HT 870 static int 871 rt2860_ampdu_rx_start(struct ieee80211com *ic, struct ieee80211_node *ni, 872 uint8_t tid) 873 { 874 struct rt2860_softc *sc = ic->ic_softc; 875 uint8_t wcid = ((struct rt2860_node *)ni)->wcid; 876 uint32_t tmp; 877 878 /* update BA session mask */ 879 tmp = RAL_READ(sc, RT2860_WCID_ENTRY(wcid) + 4); 880 tmp |= (1 << tid) << 16; 881 RAL_WRITE(sc, RT2860_WCID_ENTRY(wcid) + 4, tmp); 882 return 0; 883 } 884 885 static void 886 rt2860_ampdu_rx_stop(struct ieee80211com *ic, struct ieee80211_node *ni, 887 uint8_t tid) 888 { 889 struct rt2860_softc *sc = ic->ic_softc; 890 uint8_t wcid = ((struct rt2860_node *)ni)->wcid; 891 uint32_t tmp; 892 893 /* update BA session mask */ 894 tmp = RAL_READ(sc, RT2860_WCID_ENTRY(wcid) + 4); 895 tmp &= ~((1 << tid) << 16); 896 RAL_WRITE(sc, RT2860_WCID_ENTRY(wcid) + 4, tmp); 897 } 898 #endif 899 900 static int 901 rt2860_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 902 { 903 struct rt2860_vap *rvp = RT2860_VAP(vap); 904 struct ieee80211com *ic = vap->iv_ic; 905 struct rt2860_softc *sc = ic->ic_softc; 906 uint32_t tmp; 907 int error; 908 909 if (vap->iv_state == IEEE80211_S_RUN) { 910 /* turn link LED off */ 911 rt2860_set_leds(sc, RT2860_LED_RADIO); 912 } 913 914 if (nstate == IEEE80211_S_INIT && vap->iv_state == IEEE80211_S_RUN) { 915 /* abort TSF synchronization */ 916 tmp = RAL_READ(sc, RT2860_BCN_TIME_CFG); 917 RAL_WRITE(sc, RT2860_BCN_TIME_CFG, 918 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 919 RT2860_TBTT_TIMER_EN)); 920 } 921 922 rt2860_set_gp_timer(sc, 0); 923 924 error = rvp->ral_newstate(vap, nstate, arg); 925 if (error != 0) 926 return (error); 927 928 if (nstate == IEEE80211_S_RUN) { 929 struct ieee80211_node *ni = vap->iv_bss; 930 931 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 932 rt2860_enable_mrr(sc); 933 rt2860_set_txpreamble(sc); 934 rt2860_set_basicrates(sc, &ni->ni_rates); 935 rt2860_set_bssid(sc, ni->ni_bssid); 936 } 937 938 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 939 vap->iv_opmode == IEEE80211_M_IBSS || 940 vap->iv_opmode == IEEE80211_M_MBSS) { 941 error = rt2860_setup_beacon(sc, vap); 942 if (error != 0) 943 return error; 944 } 945 946 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 947 rt2860_enable_tsf_sync(sc); 948 rt2860_set_gp_timer(sc, 500); 949 } 950 951 /* turn link LED on */ 952 rt2860_set_leds(sc, RT2860_LED_RADIO | 953 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ? 954 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ)); 955 } 956 return error; 957 } 958 959 /* Read 16-bit from eFUSE ROM (>=RT3071 only.) */ 960 static uint16_t 961 rt3090_efuse_read_2(struct rt2860_softc *sc, uint16_t addr) 962 { 963 uint32_t tmp; 964 uint16_t reg; 965 int ntries; 966 967 addr *= 2; 968 /*- 969 * Read one 16-byte block into registers EFUSE_DATA[0-3]: 970 * DATA0: F E D C 971 * DATA1: B A 9 8 972 * DATA2: 7 6 5 4 973 * DATA3: 3 2 1 0 974 */ 975 tmp = RAL_READ(sc, RT3070_EFUSE_CTRL); 976 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK); 977 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK; 978 RAL_WRITE(sc, RT3070_EFUSE_CTRL, tmp); 979 for (ntries = 0; ntries < 500; ntries++) { 980 tmp = RAL_READ(sc, RT3070_EFUSE_CTRL); 981 if (!(tmp & RT3070_EFSROM_KICK)) 982 break; 983 DELAY(2); 984 } 985 if (ntries == 500) 986 return 0xffff; 987 988 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) 989 return 0xffff; /* address not found */ 990 991 /* determine to which 32-bit register our 16-bit word belongs */ 992 reg = RT3070_EFUSE_DATA3 - (addr & 0xc); 993 tmp = RAL_READ(sc, reg); 994 995 return (addr & 2) ? tmp >> 16 : tmp & 0xffff; 996 } 997 998 /* 999 * Read 16 bits at address 'addr' from the serial EEPROM (either 93C46, 1000 * 93C66 or 93C86). 1001 */ 1002 static uint16_t 1003 rt2860_eeprom_read_2(struct rt2860_softc *sc, uint16_t addr) 1004 { 1005 uint32_t tmp; 1006 uint16_t val; 1007 int n; 1008 1009 /* clock C once before the first command */ 1010 RT2860_EEPROM_CTL(sc, 0); 1011 1012 RT2860_EEPROM_CTL(sc, RT2860_S); 1013 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_C); 1014 RT2860_EEPROM_CTL(sc, RT2860_S); 1015 1016 /* write start bit (1) */ 1017 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D); 1018 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D | RT2860_C); 1019 1020 /* write READ opcode (10) */ 1021 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D); 1022 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_D | RT2860_C); 1023 RT2860_EEPROM_CTL(sc, RT2860_S); 1024 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_C); 1025 1026 /* write address (A5-A0 or A7-A0) */ 1027 n = ((RAL_READ(sc, RT2860_PCI_EECTRL) & 0x30) == 0) ? 5 : 7; 1028 for (; n >= 0; n--) { 1029 RT2860_EEPROM_CTL(sc, RT2860_S | 1030 (((addr >> n) & 1) << RT2860_SHIFT_D)); 1031 RT2860_EEPROM_CTL(sc, RT2860_S | 1032 (((addr >> n) & 1) << RT2860_SHIFT_D) | RT2860_C); 1033 } 1034 1035 RT2860_EEPROM_CTL(sc, RT2860_S); 1036 1037 /* read data Q15-Q0 */ 1038 val = 0; 1039 for (n = 15; n >= 0; n--) { 1040 RT2860_EEPROM_CTL(sc, RT2860_S | RT2860_C); 1041 tmp = RAL_READ(sc, RT2860_PCI_EECTRL); 1042 val |= ((tmp & RT2860_Q) >> RT2860_SHIFT_Q) << n; 1043 RT2860_EEPROM_CTL(sc, RT2860_S); 1044 } 1045 1046 RT2860_EEPROM_CTL(sc, 0); 1047 1048 /* clear Chip Select and clock C */ 1049 RT2860_EEPROM_CTL(sc, RT2860_S); 1050 RT2860_EEPROM_CTL(sc, 0); 1051 RT2860_EEPROM_CTL(sc, RT2860_C); 1052 1053 return val; 1054 } 1055 1056 static __inline uint16_t 1057 rt2860_srom_read(struct rt2860_softc *sc, uint8_t addr) 1058 { 1059 /* either eFUSE ROM or EEPROM */ 1060 return sc->sc_srom_read(sc, addr); 1061 } 1062 1063 static void 1064 rt2860_intr_coherent(struct rt2860_softc *sc) 1065 { 1066 uint32_t tmp; 1067 1068 /* DMA finds data coherent event when checking the DDONE bit */ 1069 1070 DPRINTF(("Tx/Rx Coherent interrupt\n")); 1071 1072 /* restart DMA engine */ 1073 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 1074 tmp &= ~(RT2860_TX_WB_DDONE | RT2860_RX_DMA_EN | RT2860_TX_DMA_EN); 1075 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 1076 1077 (void)rt2860_txrx_enable(sc); 1078 } 1079 1080 static void 1081 rt2860_drain_stats_fifo(struct rt2860_softc *sc) 1082 { 1083 struct ieee80211_ratectl_tx_status *txs = &sc->sc_txs; 1084 struct ieee80211_node *ni; 1085 uint32_t stat; 1086 uint8_t wcid, mcs, pid; 1087 1088 /* drain Tx status FIFO (maxsize = 16) */ 1089 txs->flags = IEEE80211_RATECTL_STATUS_LONG_RETRY; 1090 while ((stat = RAL_READ(sc, RT2860_TX_STAT_FIFO)) & RT2860_TXQ_VLD) { 1091 DPRINTFN(4, ("tx stat 0x%08x\n", stat)); 1092 1093 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff; 1094 if (wcid > RT2860_WCID_MAX) 1095 continue; 1096 ni = sc->wcid2ni[wcid]; 1097 1098 /* if no ACK was requested, no feedback is available */ 1099 if (!(stat & RT2860_TXQ_ACKREQ) || ni == NULL) 1100 continue; 1101 1102 /* update per-STA AMRR stats */ 1103 if (stat & RT2860_TXQ_OK) { 1104 /* 1105 * Check if there were retries, ie if the Tx success 1106 * rate is different from the requested rate. Note 1107 * that it works only because we do not allow rate 1108 * fallback from OFDM to CCK. 1109 */ 1110 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f; 1111 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf; 1112 if (mcs + 1 != pid) 1113 txs->long_retries = 1; 1114 else 1115 txs->long_retries = 0; 1116 txs->status = IEEE80211_RATECTL_TX_SUCCESS; 1117 ieee80211_ratectl_tx_complete(ni, txs); 1118 } else { 1119 txs->status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED; 1120 txs->long_retries = 1; /* XXX */ 1121 ieee80211_ratectl_tx_complete(ni, txs); 1122 if_inc_counter(ni->ni_vap->iv_ifp, 1123 IFCOUNTER_OERRORS, 1); 1124 } 1125 } 1126 } 1127 1128 static void 1129 rt2860_tx_intr(struct rt2860_softc *sc, int qid) 1130 { 1131 struct rt2860_tx_ring *ring = &sc->txq[qid]; 1132 uint32_t hw; 1133 1134 rt2860_drain_stats_fifo(sc); 1135 1136 hw = RAL_READ(sc, RT2860_TX_DTX_IDX(qid)); 1137 while (ring->next != hw) { 1138 struct rt2860_tx_data *data = ring->data[ring->next]; 1139 1140 if (data != NULL) { 1141 bus_dmamap_sync(sc->txwi_dmat, data->map, 1142 BUS_DMASYNC_POSTWRITE); 1143 bus_dmamap_unload(sc->txwi_dmat, data->map); 1144 ieee80211_tx_complete(data->ni, data->m, 0); 1145 data->ni = NULL; 1146 data->m = NULL; 1147 SLIST_INSERT_HEAD(&sc->data_pool, data, next); 1148 ring->data[ring->next] = NULL; 1149 } 1150 ring->queued--; 1151 ring->next = (ring->next + 1) % RT2860_TX_RING_COUNT; 1152 } 1153 1154 sc->sc_tx_timer = 0; 1155 if (ring->queued < RT2860_TX_RING_COUNT) 1156 sc->qfullmsk &= ~(1 << qid); 1157 rt2860_start(sc); 1158 } 1159 1160 /* 1161 * Return the Rx chain with the highest RSSI for a given frame. 1162 */ 1163 static __inline uint8_t 1164 rt2860_maxrssi_chain(struct rt2860_softc *sc, const struct rt2860_rxwi *rxwi) 1165 { 1166 uint8_t rxchain = 0; 1167 1168 if (sc->nrxchains > 1) { 1169 if (rxwi->rssi[1] > rxwi->rssi[rxchain]) 1170 rxchain = 1; 1171 if (sc->nrxchains > 2) 1172 if (rxwi->rssi[2] > rxwi->rssi[rxchain]) 1173 rxchain = 2; 1174 } 1175 return rxchain; 1176 } 1177 1178 static void 1179 rt2860_rx_intr(struct rt2860_softc *sc) 1180 { 1181 struct epoch_tracker et; 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 NET_EPOCH_ENTER(et); 1330 if (ni != NULL) { 1331 (void)ieee80211_input(ni, m, rssi - nf, nf); 1332 ieee80211_free_node(ni); 1333 } else 1334 (void)ieee80211_input_all(ic, m, rssi - nf, nf); 1335 NET_EPOCH_EXIT(et); 1336 1337 RAL_LOCK(sc); 1338 1339 skip: rxd->sdl0 &= ~htole16(RT2860_RX_DDONE); 1340 1341 bus_dmamap_sync(sc->rxq.desc_dmat, sc->rxq.desc_map, 1342 BUS_DMASYNC_PREWRITE); 1343 1344 sc->rxq.cur = (sc->rxq.cur + 1) % RT2860_RX_RING_COUNT; 1345 } 1346 1347 /* tell HW what we have processed */ 1348 RAL_WRITE(sc, RT2860_RX_CALC_IDX, 1349 (sc->rxq.cur - 1) % RT2860_RX_RING_COUNT); 1350 } 1351 1352 static void 1353 rt2860_tbtt_intr(struct rt2860_softc *sc) 1354 { 1355 #if 0 1356 struct ieee80211com *ic = &sc->sc_ic; 1357 1358 #ifndef IEEE80211_STA_ONLY 1359 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 1360 /* one less beacon until next DTIM */ 1361 if (ic->ic_dtim_count == 0) 1362 ic->ic_dtim_count = ic->ic_dtim_period - 1; 1363 else 1364 ic->ic_dtim_count--; 1365 1366 /* update dynamic parts of beacon */ 1367 rt2860_setup_beacon(sc); 1368 1369 /* flush buffered multicast frames */ 1370 if (ic->ic_dtim_count == 0) 1371 ieee80211_notify_dtim(ic); 1372 } 1373 #endif 1374 /* check if protection mode has changed */ 1375 if ((sc->sc_ic_flags ^ ic->ic_flags) & IEEE80211_F_USEPROT) { 1376 rt2860_updateprot(sc); 1377 sc->sc_ic_flags = ic->ic_flags; 1378 } 1379 #endif 1380 } 1381 1382 static void 1383 rt2860_gp_intr(struct rt2860_softc *sc) 1384 { 1385 struct ieee80211com *ic = &sc->sc_ic; 1386 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 1387 1388 DPRINTFN(2, ("GP timeout state=%d\n", vap->iv_state)); 1389 1390 if (vap->iv_state == IEEE80211_S_RUN) 1391 rt2860_updatestats(sc); 1392 } 1393 1394 void 1395 rt2860_intr(void *arg) 1396 { 1397 struct rt2860_softc *sc = arg; 1398 uint32_t r; 1399 1400 RAL_LOCK(sc); 1401 1402 r = RAL_READ(sc, RT2860_INT_STATUS); 1403 if (__predict_false(r == 0xffffffff)) { 1404 RAL_UNLOCK(sc); 1405 return; /* device likely went away */ 1406 } 1407 if (r == 0) { 1408 RAL_UNLOCK(sc); 1409 return; /* not for us */ 1410 } 1411 1412 /* acknowledge interrupts */ 1413 RAL_WRITE(sc, RT2860_INT_STATUS, r); 1414 1415 if (r & RT2860_TX_RX_COHERENT) 1416 rt2860_intr_coherent(sc); 1417 1418 if (r & RT2860_MAC_INT_2) /* TX status */ 1419 rt2860_drain_stats_fifo(sc); 1420 1421 if (r & RT2860_TX_DONE_INT5) 1422 rt2860_tx_intr(sc, 5); 1423 1424 if (r & RT2860_RX_DONE_INT) 1425 rt2860_rx_intr(sc); 1426 1427 if (r & RT2860_TX_DONE_INT4) 1428 rt2860_tx_intr(sc, 4); 1429 1430 if (r & RT2860_TX_DONE_INT3) 1431 rt2860_tx_intr(sc, 3); 1432 1433 if (r & RT2860_TX_DONE_INT2) 1434 rt2860_tx_intr(sc, 2); 1435 1436 if (r & RT2860_TX_DONE_INT1) 1437 rt2860_tx_intr(sc, 1); 1438 1439 if (r & RT2860_TX_DONE_INT0) 1440 rt2860_tx_intr(sc, 0); 1441 1442 if (r & RT2860_MAC_INT_0) /* TBTT */ 1443 rt2860_tbtt_intr(sc); 1444 1445 if (r & RT2860_MAC_INT_3) /* Auto wakeup */ 1446 /* TBD wakeup */; 1447 1448 if (r & RT2860_MAC_INT_4) /* GP timer */ 1449 rt2860_gp_intr(sc); 1450 1451 RAL_UNLOCK(sc); 1452 } 1453 1454 static int 1455 rt2860_tx(struct rt2860_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 1456 { 1457 struct ieee80211com *ic = &sc->sc_ic; 1458 struct ieee80211vap *vap = ni->ni_vap; 1459 struct rt2860_tx_ring *ring; 1460 struct rt2860_tx_data *data; 1461 struct rt2860_txd *txd; 1462 struct rt2860_txwi *txwi; 1463 struct ieee80211_frame *wh; 1464 const struct ieee80211_txparam *tp = ni->ni_txparms; 1465 struct ieee80211_key *k; 1466 struct mbuf *m1; 1467 bus_dma_segment_t segs[RT2860_MAX_SCATTER]; 1468 bus_dma_segment_t *seg; 1469 u_int hdrlen; 1470 uint16_t qos, dur; 1471 uint8_t type, qsel, mcs, pid, qid; 1472 int i, nsegs, ntxds, pad, rate, ridx, error; 1473 1474 /* the data pool contains at least one element, pick the first */ 1475 data = SLIST_FIRST(&sc->data_pool); 1476 1477 wh = mtod(m, struct ieee80211_frame *); 1478 1479 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 1480 k = ieee80211_crypto_encap(ni, m); 1481 if (k == NULL) { 1482 m_freem(m); 1483 return ENOBUFS; 1484 } 1485 1486 /* packet header may have moved, reset our local pointer */ 1487 wh = mtod(m, struct ieee80211_frame *); 1488 } 1489 1490 hdrlen = ieee80211_anyhdrsize(wh); 1491 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 1492 1493 if (m->m_flags & M_EAPOL) { 1494 rate = tp->mgmtrate; 1495 } else if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1496 rate = tp->mcastrate; 1497 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 1498 rate = tp->ucastrate; 1499 } else { 1500 (void) ieee80211_ratectl_rate(ni, NULL, 0); 1501 rate = ni->ni_txrate; 1502 } 1503 rate &= IEEE80211_RATE_VAL; 1504 1505 qid = M_WME_GETAC(m); 1506 if (IEEE80211_QOS_HAS_SEQ(wh)) { 1507 qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0]; 1508 } else { 1509 qos = 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 qsel, mcs, pid, 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 1752 /* Choose a TX rate index. */ 1753 rate = params->ibp_rate0; 1754 ridx = ieee80211_legacy_rate_lookup(ic->ic_rt, 1755 rate & IEEE80211_RATE_VAL); 1756 if (ridx == (uint8_t)-1) { 1757 /* XXX fall back to mcast/mgmt rate? */ 1758 m_freem(m); 1759 return EINVAL; 1760 } 1761 1762 qid = params->ibp_pri & 3; 1763 ring = &sc->txq[qid]; 1764 1765 /* get MCS code from rate index */ 1766 mcs = rt2860_rates[ridx].mcs; 1767 1768 /* setup TX Wireless Information */ 1769 txwi = data->txwi; 1770 txwi->flags = 0; 1771 /* let HW generate seq numbers for non-QoS frames */ 1772 txwi->xflags = params->ibp_pri & 3 ? 0 : RT2860_TX_NSEQ; 1773 txwi->wcid = 0xff; 1774 txwi->len = htole16(m->m_pkthdr.len); 1775 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) { 1776 txwi->phy = htole16(RT2860_PHY_CCK); 1777 if (ridx != RT2860_RIDX_CCK1 && 1778 (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1779 mcs |= RT2860_PHY_SHPRE; 1780 } else 1781 txwi->phy = htole16(RT2860_PHY_OFDM); 1782 txwi->phy |= htole16(mcs); 1783 1784 /* 1785 * We store the MCS code into the driver-private PacketID field. 1786 * The PacketID is latched into TX_STAT_FIFO when Tx completes so 1787 * that we know at which initial rate the frame was transmitted. 1788 * We add 1 to the MCS code because setting the PacketID field to 1789 * 0 means that we don't want feedback in TX_STAT_FIFO. 1790 */ 1791 pid = (mcs + 1) & 0xf; 1792 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT); 1793 1794 /* check if RTS/CTS or CTS-to-self protection is required */ 1795 if (params->ibp_flags & IEEE80211_BPF_RTS || 1796 params->ibp_flags & IEEE80211_BPF_CTS) 1797 txwi->txop = RT2860_TX_TXOP_HT; 1798 else 1799 txwi->txop = RT2860_TX_TXOP_BACKOFF; 1800 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) { 1801 txwi->xflags |= RT2860_TX_ACK; 1802 1803 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1804 dur = rt2860_rates[ridx].sp_ack_dur; 1805 else 1806 dur = rt2860_rates[ridx].lp_ack_dur; 1807 *(uint16_t *)wh->i_dur = htole16(dur); 1808 } 1809 /* ask MAC to insert timestamp into probe responses */ 1810 if ((wh->i_fc[0] & 1811 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 1812 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 1813 /* NOTE: beacons do not pass through tx_data() */ 1814 txwi->flags |= RT2860_TX_TS; 1815 1816 if (ieee80211_radiotap_active_vap(vap)) { 1817 struct rt2860_tx_radiotap_header *tap = &sc->sc_txtap; 1818 1819 tap->wt_flags = 0; 1820 tap->wt_rate = rate; 1821 if (mcs & RT2860_PHY_SHPRE) 1822 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 1823 1824 ieee80211_radiotap_tx(vap, m); 1825 } 1826 1827 pad = (hdrlen + 3) & ~3; 1828 1829 /* copy and trim 802.11 header */ 1830 memcpy(txwi + 1, wh, hdrlen); 1831 m_adj(m, hdrlen); 1832 1833 error = bus_dmamap_load_mbuf_sg(sc->txwi_dmat, data->map, m, segs, 1834 &nsegs, 0); 1835 if (__predict_false(error != 0 && error != EFBIG)) { 1836 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n", 1837 error); 1838 m_freem(m); 1839 return error; 1840 } 1841 if (__predict_true(error == 0)) { 1842 /* determine how many TXDs are required */ 1843 ntxds = 1 + (nsegs / 2); 1844 1845 if (ring->queued + ntxds >= RT2860_TX_RING_COUNT) { 1846 /* not enough free TXDs, force mbuf defrag */ 1847 bus_dmamap_unload(sc->txwi_dmat, data->map); 1848 error = EFBIG; 1849 } 1850 } 1851 if (__predict_false(error != 0)) { 1852 m1 = m_defrag(m, M_NOWAIT); 1853 if (m1 == NULL) { 1854 device_printf(sc->sc_dev, 1855 "could not defragment mbuf\n"); 1856 m_freem(m); 1857 return ENOBUFS; 1858 } 1859 m = m1; 1860 1861 error = bus_dmamap_load_mbuf_sg(sc->txwi_dmat, data->map, m, 1862 segs, &nsegs, 0); 1863 if (__predict_false(error != 0)) { 1864 device_printf(sc->sc_dev, "can't map mbuf (error %d)\n", 1865 error); 1866 m_freem(m); 1867 return error; 1868 } 1869 1870 /* determine how many TXDs are now required */ 1871 ntxds = 1 + (nsegs / 2); 1872 1873 if (ring->queued + ntxds >= RT2860_TX_RING_COUNT) { 1874 /* this is a hopeless case, drop the mbuf! */ 1875 bus_dmamap_unload(sc->txwi_dmat, data->map); 1876 m_freem(m); 1877 return ENOBUFS; 1878 } 1879 } 1880 1881 qsel = (qid < WME_NUM_AC) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_MGMT; 1882 1883 /* first segment is TXWI + 802.11 header */ 1884 txd = &ring->txd[ring->cur]; 1885 txd->sdp0 = htole32(data->paddr); 1886 txd->sdl0 = htole16(sizeof (struct rt2860_txwi) + pad); 1887 txd->flags = qsel; 1888 1889 /* setup payload segments */ 1890 seg = &segs[0]; 1891 for (i = nsegs; i >= 2; i -= 2) { 1892 txd->sdp1 = htole32(seg->ds_addr); 1893 txd->sdl1 = htole16(seg->ds_len); 1894 seg++; 1895 ring->cur = (ring->cur + 1) % RT2860_TX_RING_COUNT; 1896 /* grab a new Tx descriptor */ 1897 txd = &ring->txd[ring->cur]; 1898 txd->sdp0 = htole32(seg->ds_addr); 1899 txd->sdl0 = htole16(seg->ds_len); 1900 txd->flags = qsel; 1901 seg++; 1902 } 1903 /* finalize last segment */ 1904 if (i > 0) { 1905 txd->sdp1 = htole32(seg->ds_addr); 1906 txd->sdl1 = htole16(seg->ds_len | RT2860_TX_LS1); 1907 } else { 1908 txd->sdl0 |= htole16(RT2860_TX_LS0); 1909 txd->sdl1 = 0; 1910 } 1911 1912 /* remove from the free pool and link it into the SW Tx slot */ 1913 SLIST_REMOVE_HEAD(&sc->data_pool, next); 1914 data->m = m; 1915 data->ni = ni; 1916 ring->data[ring->cur] = data; 1917 1918 bus_dmamap_sync(sc->txwi_dmat, sc->txwi_map, BUS_DMASYNC_PREWRITE); 1919 bus_dmamap_sync(sc->txwi_dmat, data->map, BUS_DMASYNC_PREWRITE); 1920 bus_dmamap_sync(ring->desc_dmat, ring->desc_map, BUS_DMASYNC_PREWRITE); 1921 1922 DPRINTFN(4, ("sending frame qid=%d wcid=%d nsegs=%d ridx=%d\n", 1923 qid, txwi->wcid, nsegs, ridx)); 1924 1925 ring->cur = (ring->cur + 1) % RT2860_TX_RING_COUNT; 1926 ring->queued += ntxds; 1927 if (ring->queued >= RT2860_TX_RING_COUNT) 1928 sc->qfullmsk |= 1 << qid; 1929 1930 /* kick Tx */ 1931 RAL_WRITE(sc, RT2860_TX_CTX_IDX(qid), ring->cur); 1932 1933 return 0; 1934 } 1935 1936 static int 1937 rt2860_transmit(struct ieee80211com *ic, struct mbuf *m) 1938 { 1939 struct rt2860_softc *sc = ic->ic_softc; 1940 int error; 1941 1942 RAL_LOCK(sc); 1943 if ((sc->sc_flags & RT2860_RUNNING) == 0) { 1944 RAL_UNLOCK(sc); 1945 return (ENXIO); 1946 } 1947 error = mbufq_enqueue(&sc->sc_snd, m); 1948 if (error) { 1949 RAL_UNLOCK(sc); 1950 return (error); 1951 } 1952 rt2860_start(sc); 1953 RAL_UNLOCK(sc); 1954 1955 return (0); 1956 } 1957 1958 static void 1959 rt2860_start(struct rt2860_softc *sc) 1960 { 1961 struct ieee80211_node *ni; 1962 struct mbuf *m; 1963 1964 RAL_LOCK_ASSERT(sc); 1965 1966 if ((sc->sc_flags & RT2860_RUNNING) == 0) 1967 return; 1968 1969 while (!SLIST_EMPTY(&sc->data_pool) && sc->qfullmsk == 0 && 1970 (m = mbufq_dequeue(&sc->sc_snd)) != NULL) { 1971 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1972 if (rt2860_tx(sc, m, ni) != 0) { 1973 if_inc_counter(ni->ni_vap->iv_ifp, 1974 IFCOUNTER_OERRORS, 1); 1975 ieee80211_free_node(ni); 1976 continue; 1977 } 1978 sc->sc_tx_timer = 5; 1979 } 1980 } 1981 1982 static void 1983 rt2860_watchdog(void *arg) 1984 { 1985 struct rt2860_softc *sc = arg; 1986 1987 RAL_LOCK_ASSERT(sc); 1988 1989 KASSERT(sc->sc_flags & RT2860_RUNNING, ("not running")); 1990 1991 if (sc->sc_invalid) /* card ejected */ 1992 return; 1993 1994 if (sc->sc_tx_timer > 0 && --sc->sc_tx_timer == 0) { 1995 device_printf(sc->sc_dev, "device timeout\n"); 1996 rt2860_stop_locked(sc); 1997 rt2860_init_locked(sc); 1998 counter_u64_add(sc->sc_ic.ic_oerrors, 1); 1999 return; 2000 } 2001 callout_reset(&sc->watchdog_ch, hz, rt2860_watchdog, sc); 2002 } 2003 2004 static void 2005 rt2860_parent(struct ieee80211com *ic) 2006 { 2007 struct rt2860_softc *sc = ic->ic_softc; 2008 int startall = 0; 2009 2010 RAL_LOCK(sc); 2011 if (ic->ic_nrunning> 0) { 2012 if (!(sc->sc_flags & RT2860_RUNNING)) { 2013 rt2860_init_locked(sc); 2014 startall = 1; 2015 } else 2016 rt2860_update_promisc(ic); 2017 } else if (sc->sc_flags & RT2860_RUNNING) 2018 rt2860_stop_locked(sc); 2019 RAL_UNLOCK(sc); 2020 if (startall) 2021 ieee80211_start_all(ic); 2022 } 2023 2024 /* 2025 * Reading and writing from/to the BBP is different from RT2560 and RT2661. 2026 * We access the BBP through the 8051 microcontroller unit which means that 2027 * the microcode must be loaded first. 2028 */ 2029 void 2030 rt2860_mcu_bbp_write(struct rt2860_softc *sc, uint8_t reg, uint8_t val) 2031 { 2032 int ntries; 2033 2034 for (ntries = 0; ntries < 100; ntries++) { 2035 if (!(RAL_READ(sc, RT2860_H2M_BBPAGENT) & RT2860_BBP_CSR_KICK)) 2036 break; 2037 DELAY(1); 2038 } 2039 if (ntries == 100) { 2040 device_printf(sc->sc_dev, 2041 "could not write to BBP through MCU\n"); 2042 return; 2043 } 2044 2045 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, RT2860_BBP_RW_PARALLEL | 2046 RT2860_BBP_CSR_KICK | reg << 8 | val); 2047 RAL_BARRIER_WRITE(sc); 2048 2049 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_BBP, 0, 0); 2050 DELAY(1000); 2051 } 2052 2053 uint8_t 2054 rt2860_mcu_bbp_read(struct rt2860_softc *sc, uint8_t reg) 2055 { 2056 uint32_t val; 2057 int ntries; 2058 2059 for (ntries = 0; ntries < 100; ntries++) { 2060 if (!(RAL_READ(sc, RT2860_H2M_BBPAGENT) & RT2860_BBP_CSR_KICK)) 2061 break; 2062 DELAY(1); 2063 } 2064 if (ntries == 100) { 2065 device_printf(sc->sc_dev, 2066 "could not read from BBP through MCU\n"); 2067 return 0; 2068 } 2069 2070 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, RT2860_BBP_RW_PARALLEL | 2071 RT2860_BBP_CSR_KICK | RT2860_BBP_CSR_READ | reg << 8); 2072 RAL_BARRIER_WRITE(sc); 2073 2074 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_BBP, 0, 0); 2075 DELAY(1000); 2076 2077 for (ntries = 0; ntries < 100; ntries++) { 2078 val = RAL_READ(sc, RT2860_H2M_BBPAGENT); 2079 if (!(val & RT2860_BBP_CSR_KICK)) 2080 return val & 0xff; 2081 DELAY(1); 2082 } 2083 device_printf(sc->sc_dev, "could not read from BBP through MCU\n"); 2084 2085 return 0; 2086 } 2087 2088 /* 2089 * Write to one of the 4 programmable 24-bit RF registers. 2090 */ 2091 static void 2092 rt2860_rf_write(struct rt2860_softc *sc, uint8_t reg, uint32_t val) 2093 { 2094 uint32_t tmp; 2095 int ntries; 2096 2097 for (ntries = 0; ntries < 100; ntries++) { 2098 if (!(RAL_READ(sc, RT2860_RF_CSR_CFG0) & RT2860_RF_REG_CTRL)) 2099 break; 2100 DELAY(1); 2101 } 2102 if (ntries == 100) { 2103 device_printf(sc->sc_dev, "could not write to RF\n"); 2104 return; 2105 } 2106 2107 /* RF registers are 24-bit on the RT2860 */ 2108 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT | 2109 (val & 0x3fffff) << 2 | (reg & 3); 2110 RAL_WRITE(sc, RT2860_RF_CSR_CFG0, tmp); 2111 } 2112 2113 static uint8_t 2114 rt3090_rf_read(struct rt2860_softc *sc, uint8_t reg) 2115 { 2116 uint32_t tmp; 2117 int ntries; 2118 2119 for (ntries = 0; ntries < 100; ntries++) { 2120 if (!(RAL_READ(sc, RT3070_RF_CSR_CFG) & RT3070_RF_KICK)) 2121 break; 2122 DELAY(1); 2123 } 2124 if (ntries == 100) { 2125 device_printf(sc->sc_dev, "could not read RF register\n"); 2126 return 0xff; 2127 } 2128 tmp = RT3070_RF_KICK | reg << 8; 2129 RAL_WRITE(sc, RT3070_RF_CSR_CFG, tmp); 2130 2131 for (ntries = 0; ntries < 100; ntries++) { 2132 tmp = RAL_READ(sc, RT3070_RF_CSR_CFG); 2133 if (!(tmp & RT3070_RF_KICK)) 2134 break; 2135 DELAY(1); 2136 } 2137 if (ntries == 100) { 2138 device_printf(sc->sc_dev, "could not read RF register\n"); 2139 return 0xff; 2140 } 2141 return tmp & 0xff; 2142 } 2143 2144 void 2145 rt3090_rf_write(struct rt2860_softc *sc, uint8_t reg, uint8_t val) 2146 { 2147 uint32_t tmp; 2148 int ntries; 2149 2150 for (ntries = 0; ntries < 10; ntries++) { 2151 if (!(RAL_READ(sc, RT3070_RF_CSR_CFG) & RT3070_RF_KICK)) 2152 break; 2153 DELAY(10); 2154 } 2155 if (ntries == 10) { 2156 device_printf(sc->sc_dev, "could not write to RF\n"); 2157 return; 2158 } 2159 2160 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val; 2161 RAL_WRITE(sc, RT3070_RF_CSR_CFG, tmp); 2162 } 2163 2164 /* 2165 * Send a command to the 8051 microcontroller unit. 2166 */ 2167 int 2168 rt2860_mcu_cmd(struct rt2860_softc *sc, uint8_t cmd, uint16_t arg, int wait) 2169 { 2170 int slot, ntries; 2171 uint32_t tmp; 2172 uint8_t cid; 2173 2174 for (ntries = 0; ntries < 100; ntries++) { 2175 if (!(RAL_READ(sc, RT2860_H2M_MAILBOX) & RT2860_H2M_BUSY)) 2176 break; 2177 DELAY(2); 2178 } 2179 if (ntries == 100) 2180 return EIO; 2181 2182 cid = wait ? cmd : RT2860_TOKEN_NO_INTR; 2183 RAL_WRITE(sc, RT2860_H2M_MAILBOX, RT2860_H2M_BUSY | cid << 16 | arg); 2184 RAL_BARRIER_WRITE(sc); 2185 RAL_WRITE(sc, RT2860_HOST_CMD, cmd); 2186 2187 if (!wait) 2188 return 0; 2189 /* wait for the command to complete */ 2190 for (ntries = 0; ntries < 200; ntries++) { 2191 tmp = RAL_READ(sc, RT2860_H2M_MAILBOX_CID); 2192 /* find the command slot */ 2193 for (slot = 0; slot < 4; slot++, tmp >>= 8) 2194 if ((tmp & 0xff) == cid) 2195 break; 2196 if (slot < 4) 2197 break; 2198 DELAY(100); 2199 } 2200 if (ntries == 200) { 2201 /* clear command and status */ 2202 RAL_WRITE(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 2203 RAL_WRITE(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 2204 return ETIMEDOUT; 2205 } 2206 /* get command status (1 means success) */ 2207 tmp = RAL_READ(sc, RT2860_H2M_MAILBOX_STATUS); 2208 tmp = (tmp >> (slot * 8)) & 0xff; 2209 DPRINTF(("MCU command=0x%02x slot=%d status=0x%02x\n", 2210 cmd, slot, tmp)); 2211 /* clear command and status */ 2212 RAL_WRITE(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 2213 RAL_WRITE(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 2214 return (tmp == 1) ? 0 : EIO; 2215 } 2216 2217 static void 2218 rt2860_enable_mrr(struct rt2860_softc *sc) 2219 { 2220 #define CCK(mcs) (mcs) 2221 #define OFDM(mcs) (1U << 3 | (mcs)) 2222 RAL_WRITE(sc, RT2860_LG_FBK_CFG0, 2223 OFDM(6) << 28 | /* 54->48 */ 2224 OFDM(5) << 24 | /* 48->36 */ 2225 OFDM(4) << 20 | /* 36->24 */ 2226 OFDM(3) << 16 | /* 24->18 */ 2227 OFDM(2) << 12 | /* 18->12 */ 2228 OFDM(1) << 8 | /* 12-> 9 */ 2229 OFDM(0) << 4 | /* 9-> 6 */ 2230 OFDM(0)); /* 6-> 6 */ 2231 2232 RAL_WRITE(sc, RT2860_LG_FBK_CFG1, 2233 CCK(2) << 12 | /* 11->5.5 */ 2234 CCK(1) << 8 | /* 5.5-> 2 */ 2235 CCK(0) << 4 | /* 2-> 1 */ 2236 CCK(0)); /* 1-> 1 */ 2237 #undef OFDM 2238 #undef CCK 2239 } 2240 2241 static void 2242 rt2860_set_txpreamble(struct rt2860_softc *sc) 2243 { 2244 struct ieee80211com *ic = &sc->sc_ic; 2245 uint32_t tmp; 2246 2247 tmp = RAL_READ(sc, RT2860_AUTO_RSP_CFG); 2248 tmp &= ~RT2860_CCK_SHORT_EN; 2249 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 2250 tmp |= RT2860_CCK_SHORT_EN; 2251 RAL_WRITE(sc, RT2860_AUTO_RSP_CFG, tmp); 2252 } 2253 2254 void 2255 rt2860_set_basicrates(struct rt2860_softc *sc, 2256 const struct ieee80211_rateset *rs) 2257 { 2258 struct ieee80211com *ic = &sc->sc_ic; 2259 uint32_t mask = 0; 2260 uint8_t rate; 2261 int i; 2262 2263 for (i = 0; i < rs->rs_nrates; i++) { 2264 rate = rs->rs_rates[i]; 2265 2266 if (!(rate & IEEE80211_RATE_BASIC)) 2267 continue; 2268 2269 mask |= 1 << ieee80211_legacy_rate_lookup(ic->ic_rt, 2270 IEEE80211_RV(rate)); 2271 } 2272 2273 RAL_WRITE(sc, RT2860_LEGACY_BASIC_RATE, mask); 2274 } 2275 2276 static void 2277 rt2860_scan_start(struct ieee80211com *ic) 2278 { 2279 struct rt2860_softc *sc = ic->ic_softc; 2280 uint32_t tmp; 2281 2282 tmp = RAL_READ(sc, RT2860_BCN_TIME_CFG); 2283 RAL_WRITE(sc, RT2860_BCN_TIME_CFG, 2284 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 2285 RT2860_TBTT_TIMER_EN)); 2286 rt2860_set_gp_timer(sc, 0); 2287 } 2288 2289 static void 2290 rt2860_scan_end(struct ieee80211com *ic) 2291 { 2292 struct rt2860_softc *sc = ic->ic_softc; 2293 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2294 2295 if (vap->iv_state == IEEE80211_S_RUN) { 2296 rt2860_enable_tsf_sync(sc); 2297 rt2860_set_gp_timer(sc, 500); 2298 } 2299 } 2300 2301 static void 2302 rt2860_getradiocaps(struct ieee80211com *ic, int maxchans, int *nchans, 2303 struct ieee80211_channel chans[]) 2304 { 2305 struct rt2860_softc *sc = ic->ic_softc; 2306 uint8_t bands[IEEE80211_MODE_BYTES]; 2307 2308 memset(bands, 0, sizeof(bands)); 2309 setbit(bands, IEEE80211_MODE_11B); 2310 setbit(bands, IEEE80211_MODE_11G); 2311 ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, bands, 0); 2312 2313 if (sc->rf_rev == RT2860_RF_2750 || sc->rf_rev == RT2860_RF_2850) { 2314 setbit(bands, IEEE80211_MODE_11A); 2315 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans, 2316 rt2860_chan_5ghz, nitems(rt2860_chan_5ghz), bands, 0); 2317 } 2318 } 2319 2320 static void 2321 rt2860_set_channel(struct ieee80211com *ic) 2322 { 2323 struct rt2860_softc *sc = ic->ic_softc; 2324 2325 RAL_LOCK(sc); 2326 rt2860_switch_chan(sc, ic->ic_curchan); 2327 RAL_UNLOCK(sc); 2328 } 2329 2330 static void 2331 rt2860_select_chan_group(struct rt2860_softc *sc, int group) 2332 { 2333 uint32_t tmp; 2334 uint8_t agc; 2335 2336 rt2860_mcu_bbp_write(sc, 62, 0x37 - sc->lna[group]); 2337 rt2860_mcu_bbp_write(sc, 63, 0x37 - sc->lna[group]); 2338 rt2860_mcu_bbp_write(sc, 64, 0x37 - sc->lna[group]); 2339 rt2860_mcu_bbp_write(sc, 86, 0x00); 2340 2341 if (group == 0) { 2342 if (sc->ext_2ghz_lna) { 2343 rt2860_mcu_bbp_write(sc, 82, 0x62); 2344 rt2860_mcu_bbp_write(sc, 75, 0x46); 2345 } else { 2346 rt2860_mcu_bbp_write(sc, 82, 0x84); 2347 rt2860_mcu_bbp_write(sc, 75, 0x50); 2348 } 2349 } else { 2350 if (sc->ext_5ghz_lna) { 2351 rt2860_mcu_bbp_write(sc, 82, 0xf2); 2352 rt2860_mcu_bbp_write(sc, 75, 0x46); 2353 } else { 2354 rt2860_mcu_bbp_write(sc, 82, 0xf2); 2355 rt2860_mcu_bbp_write(sc, 75, 0x50); 2356 } 2357 } 2358 2359 tmp = RAL_READ(sc, RT2860_TX_BAND_CFG); 2360 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P); 2361 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P; 2362 RAL_WRITE(sc, RT2860_TX_BAND_CFG, tmp); 2363 2364 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */ 2365 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN; 2366 if (sc->nrxchains > 1) 2367 tmp |= RT2860_LNA_PE1_EN; 2368 if (sc->mac_ver == 0x3593 && sc->nrxchains > 2) 2369 tmp |= RT3593_LNA_PE2_EN; 2370 if (group == 0) { /* 2GHz */ 2371 tmp |= RT2860_PA_PE_G0_EN; 2372 if (sc->ntxchains > 1) 2373 tmp |= RT2860_PA_PE_G1_EN; 2374 if (sc->mac_ver == 0x3593 && sc->ntxchains > 2) 2375 tmp |= RT3593_PA_PE_G2_EN; 2376 } else { /* 5GHz */ 2377 tmp |= RT2860_PA_PE_A0_EN; 2378 if (sc->ntxchains > 1) 2379 tmp |= RT2860_PA_PE_A1_EN; 2380 if (sc->mac_ver == 0x3593 && sc->ntxchains > 2) 2381 tmp |= RT3593_PA_PE_A2_EN; 2382 } 2383 RAL_WRITE(sc, RT2860_TX_PIN_CFG, tmp); 2384 2385 if (sc->mac_ver == 0x3593) { 2386 tmp = RAL_READ(sc, RT2860_GPIO_CTRL); 2387 if (sc->sc_flags & RT2860_PCIE) { 2388 tmp &= ~0x01010000; 2389 if (group == 0) 2390 tmp |= 0x00010000; 2391 } else { 2392 tmp &= ~0x00008080; 2393 if (group == 0) 2394 tmp |= 0x00000080; 2395 } 2396 tmp = (tmp & ~0x00001000) | 0x00000010; 2397 RAL_WRITE(sc, RT2860_GPIO_CTRL, tmp); 2398 } 2399 2400 /* set initial AGC value */ 2401 if (group == 0) { /* 2GHz band */ 2402 if (sc->mac_ver >= 0x3071) 2403 agc = 0x1c + sc->lna[0] * 2; 2404 else 2405 agc = 0x2e + sc->lna[0]; 2406 } else { /* 5GHz band */ 2407 agc = 0x32 + (sc->lna[group] * 5) / 3; 2408 } 2409 rt2860_mcu_bbp_write(sc, 66, agc); 2410 2411 DELAY(1000); 2412 } 2413 2414 static void 2415 rt2860_set_chan(struct rt2860_softc *sc, u_int chan) 2416 { 2417 const struct rfprog *rfprog = rt2860_rf2850; 2418 uint32_t r2, r3, r4; 2419 int8_t txpow1, txpow2; 2420 u_int i; 2421 2422 /* find the settings for this channel (we know it exists) */ 2423 for (i = 0; rfprog[i].chan != chan; i++); 2424 2425 r2 = rfprog[i].r2; 2426 if (sc->ntxchains == 1) 2427 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */ 2428 if (sc->nrxchains == 1) 2429 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 2430 else if (sc->nrxchains == 2) 2431 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */ 2432 2433 /* use Tx power values from EEPROM */ 2434 txpow1 = sc->txpow1[i]; 2435 txpow2 = sc->txpow2[i]; 2436 if (chan > 14) { 2437 if (txpow1 >= 0) 2438 txpow1 = txpow1 << 1 | 1; 2439 else 2440 txpow1 = (7 + txpow1) << 1; 2441 if (txpow2 >= 0) 2442 txpow2 = txpow2 << 1 | 1; 2443 else 2444 txpow2 = (7 + txpow2) << 1; 2445 } 2446 r3 = rfprog[i].r3 | txpow1 << 7; 2447 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4; 2448 2449 rt2860_rf_write(sc, RT2860_RF1, rfprog[i].r1); 2450 rt2860_rf_write(sc, RT2860_RF2, r2); 2451 rt2860_rf_write(sc, RT2860_RF3, r3); 2452 rt2860_rf_write(sc, RT2860_RF4, r4); 2453 2454 DELAY(200); 2455 2456 rt2860_rf_write(sc, RT2860_RF1, rfprog[i].r1); 2457 rt2860_rf_write(sc, RT2860_RF2, r2); 2458 rt2860_rf_write(sc, RT2860_RF3, r3 | 1); 2459 rt2860_rf_write(sc, RT2860_RF4, r4); 2460 2461 DELAY(200); 2462 2463 rt2860_rf_write(sc, RT2860_RF1, rfprog[i].r1); 2464 rt2860_rf_write(sc, RT2860_RF2, r2); 2465 rt2860_rf_write(sc, RT2860_RF3, r3); 2466 rt2860_rf_write(sc, RT2860_RF4, r4); 2467 } 2468 2469 static void 2470 rt3090_set_chan(struct rt2860_softc *sc, u_int chan) 2471 { 2472 int8_t txpow1, txpow2; 2473 uint8_t rf; 2474 int i; 2475 2476 /* RT3090 is 2GHz only */ 2477 KASSERT(chan >= 1 && chan <= 14, ("chan %d not support", chan)); 2478 2479 /* find the settings for this channel (we know it exists) */ 2480 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 2481 2482 /* use Tx power values from EEPROM */ 2483 txpow1 = sc->txpow1[i]; 2484 txpow2 = sc->txpow2[i]; 2485 2486 rt3090_rf_write(sc, 2, rt3090_freqs[i].n); 2487 rf = rt3090_rf_read(sc, 3); 2488 rf = (rf & ~0x0f) | rt3090_freqs[i].k; 2489 rt3090_rf_write(sc, 3, rf); 2490 rf = rt3090_rf_read(sc, 6); 2491 rf = (rf & ~0x03) | rt3090_freqs[i].r; 2492 rt3090_rf_write(sc, 6, rf); 2493 2494 /* set Tx0 power */ 2495 rf = rt3090_rf_read(sc, 12); 2496 rf = (rf & ~0x1f) | txpow1; 2497 rt3090_rf_write(sc, 12, rf); 2498 2499 /* set Tx1 power */ 2500 rf = rt3090_rf_read(sc, 13); 2501 rf = (rf & ~0x1f) | txpow2; 2502 rt3090_rf_write(sc, 13, rf); 2503 2504 rf = rt3090_rf_read(sc, 1); 2505 rf &= ~0xfc; 2506 if (sc->ntxchains == 1) 2507 rf |= RT3070_TX1_PD | RT3070_TX2_PD; 2508 else if (sc->ntxchains == 2) 2509 rf |= RT3070_TX2_PD; 2510 if (sc->nrxchains == 1) 2511 rf |= RT3070_RX1_PD | RT3070_RX2_PD; 2512 else if (sc->nrxchains == 2) 2513 rf |= RT3070_RX2_PD; 2514 rt3090_rf_write(sc, 1, rf); 2515 2516 /* set RF offset */ 2517 rf = rt3090_rf_read(sc, 23); 2518 rf = (rf & ~0x7f) | sc->freq; 2519 rt3090_rf_write(sc, 23, rf); 2520 2521 /* program RF filter */ 2522 rf = rt3090_rf_read(sc, 24); /* Tx */ 2523 rf = (rf & ~0x3f) | sc->rf24_20mhz; 2524 rt3090_rf_write(sc, 24, rf); 2525 rf = rt3090_rf_read(sc, 31); /* Rx */ 2526 rf = (rf & ~0x3f) | sc->rf24_20mhz; 2527 rt3090_rf_write(sc, 31, rf); 2528 2529 /* enable RF tuning */ 2530 rf = rt3090_rf_read(sc, 7); 2531 rt3090_rf_write(sc, 7, rf | RT3070_TUNE); 2532 } 2533 2534 static void 2535 rt5390_set_chan(struct rt2860_softc *sc, u_int chan) 2536 { 2537 uint8_t h20mhz, rf, tmp; 2538 int8_t txpow1, txpow2; 2539 int i; 2540 2541 /* RT5390 is 2GHz only */ 2542 KASSERT(chan >= 1 && chan <= 14, ("chan %d not support", chan)); 2543 2544 /* find the settings for this channel (we know it exists) */ 2545 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 2546 2547 /* use Tx power values from EEPROM */ 2548 txpow1 = sc->txpow1[i]; 2549 txpow2 = sc->txpow2[i]; 2550 2551 rt3090_rf_write(sc, 8, rt3090_freqs[i].n); 2552 rt3090_rf_write(sc, 9, rt3090_freqs[i].k & 0x0f); 2553 rf = rt3090_rf_read(sc, 11); 2554 rf = (rf & ~0x03) | (rt3090_freqs[i].r & 0x03); 2555 rt3090_rf_write(sc, 11, rf); 2556 2557 rf = rt3090_rf_read(sc, 49); 2558 rf = (rf & ~0x3f) | (txpow1 & 0x3f); 2559 /* the valid range of the RF R49 is 0x00~0x27 */ 2560 if ((rf & 0x3f) > 0x27) 2561 rf = (rf & ~0x3f) | 0x27; 2562 rt3090_rf_write(sc, 49, rf); 2563 if (sc->mac_ver == 0x5392) { 2564 rf = rt3090_rf_read(sc, 50); 2565 rf = (rf & ~0x3f) | (txpow2 & 0x3f); 2566 /* the valid range of the RF R50 is 0x00~0x27 */ 2567 if ((rf & 0x3f) > 0x27) 2568 rf = (rf & ~0x3f) | 0x27; 2569 rt3090_rf_write(sc, 50, rf); 2570 } 2571 2572 rf = rt3090_rf_read(sc, 1); 2573 rf |= RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | RT3070_TX0_PD; 2574 if (sc->mac_ver == 0x5392) 2575 rf |= RT3070_RX1_PD | RT3070_TX1_PD; 2576 rt3090_rf_write(sc, 1, rf); 2577 2578 rf = rt3090_rf_read(sc, 2); 2579 rt3090_rf_write(sc, 2, rf | RT3593_RESCAL); 2580 DELAY(1000); 2581 rt3090_rf_write(sc, 2, rf & ~RT3593_RESCAL); 2582 2583 rf = rt3090_rf_read(sc, 17); 2584 tmp = rf; 2585 rf = (rf & ~0x7f) | (sc->freq & 0x7f); 2586 rf = MIN(rf, 0x5f); 2587 if (tmp != rf) 2588 rt2860_mcu_cmd(sc, 0x74, (tmp << 8 ) | rf, 0); 2589 2590 if (sc->mac_ver == 0x5390) { 2591 if (chan <= 4) 2592 rf = 0x73; 2593 else if (chan >= 5 && chan <= 6) 2594 rf = 0x63; 2595 else if (chan >= 7 && chan <= 10) 2596 rf = 0x53; 2597 else 2598 rf = 43; 2599 rt3090_rf_write(sc, 55, rf); 2600 2601 if (chan == 1) 2602 rf = 0x0c; 2603 else if (chan == 2) 2604 rf = 0x0b; 2605 else if (chan == 3) 2606 rf = 0x0a; 2607 else if (chan >= 4 && chan <= 6) 2608 rf = 0x09; 2609 else if (chan >= 7 && chan <= 12) 2610 rf = 0x08; 2611 else if (chan == 13) 2612 rf = 0x07; 2613 else 2614 rf = 0x06; 2615 rt3090_rf_write(sc, 59, rf); 2616 } 2617 2618 /* Tx/Rx h20M */ 2619 h20mhz = (sc->rf24_20mhz & 0x20) >> 5; 2620 rf = rt3090_rf_read(sc, 30); 2621 rf = (rf & ~0x06) | (h20mhz << 1) | (h20mhz << 2); 2622 rt3090_rf_write(sc, 30, rf); 2623 2624 /* Rx BB filter VCM */ 2625 rf = rt3090_rf_read(sc, 30); 2626 rf = (rf & ~0x18) | 0x10; 2627 rt3090_rf_write(sc, 30, rf); 2628 2629 /* Initiate VCO calibration. */ 2630 rf = rt3090_rf_read(sc, 3); 2631 rf |= RT3593_VCOCAL; 2632 rt3090_rf_write(sc, 3, rf); 2633 } 2634 2635 static int 2636 rt3090_rf_init(struct rt2860_softc *sc) 2637 { 2638 uint32_t tmp; 2639 uint8_t rf, bbp; 2640 int i; 2641 2642 rf = rt3090_rf_read(sc, 30); 2643 /* toggle RF R30 bit 7 */ 2644 rt3090_rf_write(sc, 30, rf | 0x80); 2645 DELAY(1000); 2646 rt3090_rf_write(sc, 30, rf & ~0x80); 2647 2648 tmp = RAL_READ(sc, RT3070_LDO_CFG0); 2649 tmp &= ~0x1f000000; 2650 if (sc->patch_dac && sc->mac_rev < 0x0211) 2651 tmp |= 0x0d000000; /* 1.35V */ 2652 else 2653 tmp |= 0x01000000; /* 1.2V */ 2654 RAL_WRITE(sc, RT3070_LDO_CFG0, tmp); 2655 2656 /* patch LNA_PE_G1 */ 2657 tmp = RAL_READ(sc, RT3070_GPIO_SWITCH); 2658 RAL_WRITE(sc, RT3070_GPIO_SWITCH, tmp & ~0x20); 2659 2660 /* initialize RF registers to default value */ 2661 for (i = 0; i < nitems(rt3090_def_rf); i++) { 2662 rt3090_rf_write(sc, rt3090_def_rf[i].reg, 2663 rt3090_def_rf[i].val); 2664 } 2665 2666 /* select 20MHz bandwidth */ 2667 rt3090_rf_write(sc, 31, 0x14); 2668 2669 rf = rt3090_rf_read(sc, 6); 2670 rt3090_rf_write(sc, 6, rf | 0x40); 2671 2672 if (sc->mac_ver != 0x3593) { 2673 /* calibrate filter for 20MHz bandwidth */ 2674 sc->rf24_20mhz = 0x1f; /* default value */ 2675 rt3090_filter_calib(sc, 0x07, 0x16, &sc->rf24_20mhz); 2676 2677 /* select 40MHz bandwidth */ 2678 bbp = rt2860_mcu_bbp_read(sc, 4); 2679 rt2860_mcu_bbp_write(sc, 4, (bbp & ~0x08) | 0x10); 2680 rf = rt3090_rf_read(sc, 31); 2681 rt3090_rf_write(sc, 31, rf | 0x20); 2682 2683 /* calibrate filter for 40MHz bandwidth */ 2684 sc->rf24_40mhz = 0x2f; /* default value */ 2685 rt3090_filter_calib(sc, 0x27, 0x19, &sc->rf24_40mhz); 2686 2687 /* go back to 20MHz bandwidth */ 2688 bbp = rt2860_mcu_bbp_read(sc, 4); 2689 rt2860_mcu_bbp_write(sc, 4, bbp & ~0x18); 2690 } 2691 if (sc->mac_rev < 0x0211) 2692 rt3090_rf_write(sc, 27, 0x03); 2693 2694 tmp = RAL_READ(sc, RT3070_OPT_14); 2695 RAL_WRITE(sc, RT3070_OPT_14, tmp | 1); 2696 2697 if (sc->rf_rev == RT3070_RF_3020) 2698 rt3090_set_rx_antenna(sc, 0); 2699 2700 bbp = rt2860_mcu_bbp_read(sc, 138); 2701 if (sc->mac_ver == 0x3593) { 2702 if (sc->ntxchains == 1) 2703 bbp |= 0x60; /* turn off DAC1 and DAC2 */ 2704 else if (sc->ntxchains == 2) 2705 bbp |= 0x40; /* turn off DAC2 */ 2706 if (sc->nrxchains == 1) 2707 bbp &= ~0x06; /* turn off ADC1 and ADC2 */ 2708 else if (sc->nrxchains == 2) 2709 bbp &= ~0x04; /* turn off ADC2 */ 2710 } else { 2711 if (sc->ntxchains == 1) 2712 bbp |= 0x20; /* turn off DAC1 */ 2713 if (sc->nrxchains == 1) 2714 bbp &= ~0x02; /* turn off ADC1 */ 2715 } 2716 rt2860_mcu_bbp_write(sc, 138, bbp); 2717 2718 rf = rt3090_rf_read(sc, 1); 2719 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD); 2720 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD; 2721 rt3090_rf_write(sc, 1, rf); 2722 2723 rf = rt3090_rf_read(sc, 15); 2724 rt3090_rf_write(sc, 15, rf & ~RT3070_TX_LO2); 2725 2726 rf = rt3090_rf_read(sc, 17); 2727 rf &= ~RT3070_TX_LO1; 2728 if (sc->mac_rev >= 0x0211 && !sc->ext_2ghz_lna) 2729 rf |= 0x20; /* fix for long range Rx issue */ 2730 if (sc->txmixgain_2ghz >= 2) 2731 rf = (rf & ~0x7) | sc->txmixgain_2ghz; 2732 rt3090_rf_write(sc, 17, rf); 2733 2734 rf = rt3090_rf_read(sc, 20); 2735 rt3090_rf_write(sc, 20, rf & ~RT3070_RX_LO1); 2736 2737 rf = rt3090_rf_read(sc, 21); 2738 rt3090_rf_write(sc, 21, rf & ~RT3070_RX_LO2); 2739 2740 return (0); 2741 } 2742 2743 static void 2744 rt5390_rf_init(struct rt2860_softc *sc) 2745 { 2746 uint8_t rf, bbp; 2747 int i; 2748 2749 rf = rt3090_rf_read(sc, 2); 2750 /* Toggle RF R2 bit 7. */ 2751 rt3090_rf_write(sc, 2, rf | RT3593_RESCAL); 2752 DELAY(1000); 2753 rt3090_rf_write(sc, 2, rf & ~RT3593_RESCAL); 2754 2755 /* Initialize RF registers to default value. */ 2756 if (sc->mac_ver == 0x5392) { 2757 for (i = 0; i < nitems(rt5392_def_rf); i++) { 2758 rt3090_rf_write(sc, rt5392_def_rf[i].reg, 2759 rt5392_def_rf[i].val); 2760 } 2761 } else { 2762 for (i = 0; i < nitems(rt5390_def_rf); i++) { 2763 rt3090_rf_write(sc, rt5390_def_rf[i].reg, 2764 rt5390_def_rf[i].val); 2765 } 2766 } 2767 2768 sc->rf24_20mhz = 0x1f; 2769 sc->rf24_40mhz = 0x2f; 2770 2771 if (sc->mac_rev < 0x0211) 2772 rt3090_rf_write(sc, 27, 0x03); 2773 2774 /* Set led open drain enable. */ 2775 RAL_WRITE(sc, RT3070_OPT_14, RAL_READ(sc, RT3070_OPT_14) | 1); 2776 2777 RAL_WRITE(sc, RT2860_TX_SW_CFG1, 0); 2778 RAL_WRITE(sc, RT2860_TX_SW_CFG2, 0); 2779 2780 if (sc->mac_ver == 0x5390) 2781 rt3090_set_rx_antenna(sc, 0); 2782 2783 /* Patch RSSI inaccurate issue. */ 2784 rt2860_mcu_bbp_write(sc, 79, 0x13); 2785 rt2860_mcu_bbp_write(sc, 80, 0x05); 2786 rt2860_mcu_bbp_write(sc, 81, 0x33); 2787 2788 /* Enable DC filter. */ 2789 if (sc->mac_rev >= 0x0211) 2790 rt2860_mcu_bbp_write(sc, 103, 0xc0); 2791 2792 bbp = rt2860_mcu_bbp_read(sc, 138); 2793 if (sc->ntxchains == 1) 2794 bbp |= 0x20; /* Turn off DAC1. */ 2795 if (sc->nrxchains == 1) 2796 bbp &= ~0x02; /* Turn off ADC1. */ 2797 rt2860_mcu_bbp_write(sc, 138, bbp); 2798 2799 /* Enable RX LO1 and LO2. */ 2800 rt3090_rf_write(sc, 38, rt3090_rf_read(sc, 38) & ~RT5390_RX_LO1); 2801 rt3090_rf_write(sc, 39, rt3090_rf_read(sc, 39) & ~RT5390_RX_LO2); 2802 2803 /* Avoid data lost and CRC error. */ 2804 rt2860_mcu_bbp_write(sc, 4, 2805 rt2860_mcu_bbp_read(sc, 4) | RT5390_MAC_IF_CTRL); 2806 2807 rf = rt3090_rf_read(sc, 30); 2808 rf = (rf & ~0x18) | 0x10; 2809 rt3090_rf_write(sc, 30, rf); 2810 } 2811 2812 static void 2813 rt3090_rf_wakeup(struct rt2860_softc *sc) 2814 { 2815 uint32_t tmp; 2816 uint8_t rf; 2817 2818 if (sc->mac_ver == 0x3593) { 2819 /* enable VCO */ 2820 rf = rt3090_rf_read(sc, 1); 2821 rt3090_rf_write(sc, 1, rf | RT3593_VCO); 2822 2823 /* initiate VCO calibration */ 2824 rf = rt3090_rf_read(sc, 3); 2825 rt3090_rf_write(sc, 3, rf | RT3593_VCOCAL); 2826 2827 /* enable VCO bias current control */ 2828 rf = rt3090_rf_read(sc, 6); 2829 rt3090_rf_write(sc, 6, rf | RT3593_VCO_IC); 2830 2831 /* initiate res calibration */ 2832 rf = rt3090_rf_read(sc, 2); 2833 rt3090_rf_write(sc, 2, rf | RT3593_RESCAL); 2834 2835 /* set reference current control to 0.33 mA */ 2836 rf = rt3090_rf_read(sc, 22); 2837 rf &= ~RT3593_CP_IC_MASK; 2838 rf |= 1 << RT3593_CP_IC_SHIFT; 2839 rt3090_rf_write(sc, 22, rf); 2840 2841 /* enable RX CTB */ 2842 rf = rt3090_rf_read(sc, 46); 2843 rt3090_rf_write(sc, 46, rf | RT3593_RX_CTB); 2844 2845 rf = rt3090_rf_read(sc, 20); 2846 rf &= ~(RT3593_LDO_RF_VC_MASK | RT3593_LDO_PLL_VC_MASK); 2847 rt3090_rf_write(sc, 20, rf); 2848 } else { 2849 /* enable RF block */ 2850 rf = rt3090_rf_read(sc, 1); 2851 rt3090_rf_write(sc, 1, rf | RT3070_RF_BLOCK); 2852 2853 /* enable VCO bias current control */ 2854 rf = rt3090_rf_read(sc, 7); 2855 rt3090_rf_write(sc, 7, rf | 0x30); 2856 2857 rf = rt3090_rf_read(sc, 9); 2858 rt3090_rf_write(sc, 9, rf | 0x0e); 2859 2860 /* enable RX CTB */ 2861 rf = rt3090_rf_read(sc, 21); 2862 rt3090_rf_write(sc, 21, rf | RT3070_RX_CTB); 2863 2864 /* fix Tx to Rx IQ glitch by raising RF voltage */ 2865 rf = rt3090_rf_read(sc, 27); 2866 rf &= ~0x77; 2867 if (sc->mac_rev < 0x0211) 2868 rf |= 0x03; 2869 rt3090_rf_write(sc, 27, rf); 2870 } 2871 if (sc->patch_dac && sc->mac_rev < 0x0211) { 2872 tmp = RAL_READ(sc, RT3070_LDO_CFG0); 2873 tmp = (tmp & ~0x1f000000) | 0x0d000000; 2874 RAL_WRITE(sc, RT3070_LDO_CFG0, tmp); 2875 } 2876 } 2877 2878 static void 2879 rt5390_rf_wakeup(struct rt2860_softc *sc) 2880 { 2881 uint32_t tmp; 2882 uint8_t rf; 2883 2884 rf = rt3090_rf_read(sc, 1); 2885 rf |= RT3070_RF_BLOCK | RT3070_PLL_PD | RT3070_RX0_PD | 2886 RT3070_TX0_PD; 2887 if (sc->mac_ver == 0x5392) 2888 rf |= RT3070_RX1_PD | RT3070_TX1_PD; 2889 rt3090_rf_write(sc, 1, rf); 2890 2891 rf = rt3090_rf_read(sc, 6); 2892 rf |= RT3593_VCO_IC | RT3593_VCOCAL; 2893 if (sc->mac_ver == 0x5390) 2894 rf &= ~RT3593_VCO_IC; 2895 rt3090_rf_write(sc, 6, rf); 2896 2897 rt3090_rf_write(sc, 2, rt3090_rf_read(sc, 2) | RT3593_RESCAL); 2898 2899 rf = rt3090_rf_read(sc, 22); 2900 rf = (rf & ~0xe0) | 0x20; 2901 rt3090_rf_write(sc, 22, rf); 2902 2903 rt3090_rf_write(sc, 42, rt3090_rf_read(sc, 42) | RT5390_RX_CTB); 2904 rt3090_rf_write(sc, 20, rt3090_rf_read(sc, 20) & ~0x77); 2905 rt3090_rf_write(sc, 3, rt3090_rf_read(sc, 3) | RT3593_VCOCAL); 2906 2907 if (sc->patch_dac && sc->mac_rev < 0x0211) { 2908 tmp = RAL_READ(sc, RT3070_LDO_CFG0); 2909 tmp = (tmp & ~0x1f000000) | 0x0d000000; 2910 RAL_WRITE(sc, RT3070_LDO_CFG0, tmp); 2911 } 2912 } 2913 2914 static int 2915 rt3090_filter_calib(struct rt2860_softc *sc, uint8_t init, uint8_t target, 2916 uint8_t *val) 2917 { 2918 uint8_t rf22, rf24; 2919 uint8_t bbp55_pb, bbp55_sb, delta; 2920 int ntries; 2921 2922 /* program filter */ 2923 rf24 = rt3090_rf_read(sc, 24); 2924 rf24 = (rf24 & 0xc0) | init; /* initial filter value */ 2925 rt3090_rf_write(sc, 24, rf24); 2926 2927 /* enable baseband loopback mode */ 2928 rf22 = rt3090_rf_read(sc, 22); 2929 rt3090_rf_write(sc, 22, rf22 | RT3070_BB_LOOPBACK); 2930 2931 /* set power and frequency of passband test tone */ 2932 rt2860_mcu_bbp_write(sc, 24, 0x00); 2933 for (ntries = 0; ntries < 100; ntries++) { 2934 /* transmit test tone */ 2935 rt2860_mcu_bbp_write(sc, 25, 0x90); 2936 DELAY(1000); 2937 /* read received power */ 2938 bbp55_pb = rt2860_mcu_bbp_read(sc, 55); 2939 if (bbp55_pb != 0) 2940 break; 2941 } 2942 if (ntries == 100) 2943 return (ETIMEDOUT); 2944 2945 /* set power and frequency of stopband test tone */ 2946 rt2860_mcu_bbp_write(sc, 24, 0x06); 2947 for (ntries = 0; ntries < 100; ntries++) { 2948 /* transmit test tone */ 2949 rt2860_mcu_bbp_write(sc, 25, 0x90); 2950 DELAY(1000); 2951 /* read received power */ 2952 bbp55_sb = rt2860_mcu_bbp_read(sc, 55); 2953 2954 delta = bbp55_pb - bbp55_sb; 2955 if (delta > target) 2956 break; 2957 2958 /* reprogram filter */ 2959 rf24++; 2960 rt3090_rf_write(sc, 24, rf24); 2961 } 2962 if (ntries < 100) { 2963 if (rf24 != init) 2964 rf24--; /* backtrack */ 2965 *val = rf24; 2966 rt3090_rf_write(sc, 24, rf24); 2967 } 2968 2969 /* restore initial state */ 2970 rt2860_mcu_bbp_write(sc, 24, 0x00); 2971 2972 /* disable baseband loopback mode */ 2973 rf22 = rt3090_rf_read(sc, 22); 2974 rt3090_rf_write(sc, 22, rf22 & ~RT3070_BB_LOOPBACK); 2975 2976 return (0); 2977 } 2978 2979 static void 2980 rt3090_rf_setup(struct rt2860_softc *sc) 2981 { 2982 uint8_t bbp; 2983 int i; 2984 2985 if (sc->mac_rev >= 0x0211) { 2986 /* enable DC filter */ 2987 rt2860_mcu_bbp_write(sc, 103, 0xc0); 2988 2989 /* improve power consumption */ 2990 bbp = rt2860_mcu_bbp_read(sc, 31); 2991 rt2860_mcu_bbp_write(sc, 31, bbp & ~0x03); 2992 } 2993 2994 RAL_WRITE(sc, RT2860_TX_SW_CFG1, 0); 2995 if (sc->mac_rev < 0x0211) { 2996 RAL_WRITE(sc, RT2860_TX_SW_CFG2, 2997 sc->patch_dac ? 0x2c : 0x0f); 2998 } else 2999 RAL_WRITE(sc, RT2860_TX_SW_CFG2, 0); 3000 3001 /* initialize RF registers from ROM */ 3002 if (sc->mac_ver < 0x5390) { 3003 for (i = 0; i < 10; i++) { 3004 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff) 3005 continue; 3006 rt3090_rf_write(sc, sc->rf[i].reg, sc->rf[i].val); 3007 } 3008 } 3009 } 3010 3011 static void 3012 rt2860_set_leds(struct rt2860_softc *sc, uint16_t which) 3013 { 3014 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LEDS, 3015 which | (sc->leds & 0x7f), 0); 3016 } 3017 3018 /* 3019 * Hardware has a general-purpose programmable timer interrupt that can 3020 * periodically raise MAC_INT_4. 3021 */ 3022 static void 3023 rt2860_set_gp_timer(struct rt2860_softc *sc, int ms) 3024 { 3025 uint32_t tmp; 3026 3027 /* disable GP timer before reprogramming it */ 3028 tmp = RAL_READ(sc, RT2860_INT_TIMER_EN); 3029 RAL_WRITE(sc, RT2860_INT_TIMER_EN, tmp & ~RT2860_GP_TIMER_EN); 3030 3031 if (ms == 0) 3032 return; 3033 3034 tmp = RAL_READ(sc, RT2860_INT_TIMER_CFG); 3035 ms *= 16; /* Unit: 64us */ 3036 tmp = (tmp & 0xffff) | ms << RT2860_GP_TIMER_SHIFT; 3037 RAL_WRITE(sc, RT2860_INT_TIMER_CFG, tmp); 3038 3039 /* enable GP timer */ 3040 tmp = RAL_READ(sc, RT2860_INT_TIMER_EN); 3041 RAL_WRITE(sc, RT2860_INT_TIMER_EN, tmp | RT2860_GP_TIMER_EN); 3042 } 3043 3044 static void 3045 rt2860_set_bssid(struct rt2860_softc *sc, const uint8_t *bssid) 3046 { 3047 RAL_WRITE(sc, RT2860_MAC_BSSID_DW0, 3048 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 3049 RAL_WRITE(sc, RT2860_MAC_BSSID_DW1, 3050 bssid[4] | bssid[5] << 8); 3051 } 3052 3053 static void 3054 rt2860_set_macaddr(struct rt2860_softc *sc, const uint8_t *addr) 3055 { 3056 RAL_WRITE(sc, RT2860_MAC_ADDR_DW0, 3057 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 3058 RAL_WRITE(sc, RT2860_MAC_ADDR_DW1, 3059 addr[4] | addr[5] << 8 | 0xff << 16); 3060 } 3061 3062 static void 3063 rt2860_updateslot(struct ieee80211com *ic) 3064 { 3065 struct rt2860_softc *sc = ic->ic_softc; 3066 uint32_t tmp; 3067 3068 tmp = RAL_READ(sc, RT2860_BKOFF_SLOT_CFG); 3069 tmp &= ~0xff; 3070 tmp |= IEEE80211_GET_SLOTTIME(ic); 3071 RAL_WRITE(sc, RT2860_BKOFF_SLOT_CFG, tmp); 3072 } 3073 3074 static void 3075 rt2860_updateprot(struct rt2860_softc *sc) 3076 { 3077 struct ieee80211com *ic = &sc->sc_ic; 3078 uint32_t tmp; 3079 3080 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL; 3081 /* setup protection frame rate (MCS code) */ 3082 tmp |= IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 3083 rt2860_rates[RT2860_RIDX_OFDM6].mcs : 3084 rt2860_rates[RT2860_RIDX_CCK11].mcs; 3085 3086 /* CCK frames don't require protection */ 3087 RAL_WRITE(sc, RT2860_CCK_PROT_CFG, tmp); 3088 3089 if (ic->ic_flags & IEEE80211_F_USEPROT) { 3090 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 3091 tmp |= RT2860_PROT_CTRL_RTS_CTS; 3092 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 3093 tmp |= RT2860_PROT_CTRL_CTS; 3094 } 3095 RAL_WRITE(sc, RT2860_OFDM_PROT_CFG, tmp); 3096 } 3097 3098 static void 3099 rt2860_update_promisc(struct ieee80211com *ic) 3100 { 3101 struct rt2860_softc *sc = ic->ic_softc; 3102 uint32_t tmp; 3103 3104 tmp = RAL_READ(sc, RT2860_RX_FILTR_CFG); 3105 tmp &= ~RT2860_DROP_NOT_MYBSS; 3106 if (ic->ic_promisc == 0) 3107 tmp |= RT2860_DROP_NOT_MYBSS; 3108 RAL_WRITE(sc, RT2860_RX_FILTR_CFG, tmp); 3109 } 3110 3111 static int 3112 rt2860_updateedca(struct ieee80211com *ic) 3113 { 3114 struct rt2860_softc *sc = ic->ic_softc; 3115 struct chanAccParams chp; 3116 const struct wmeParams *wmep; 3117 int aci; 3118 3119 ieee80211_wme_ic_getparams(ic, &chp); 3120 3121 wmep = chp.cap_wmeParams; 3122 3123 /* update MAC TX configuration registers */ 3124 for (aci = 0; aci < WME_NUM_AC; aci++) { 3125 RAL_WRITE(sc, RT2860_EDCA_AC_CFG(aci), 3126 wmep[aci].wmep_logcwmax << 16 | 3127 wmep[aci].wmep_logcwmin << 12 | 3128 wmep[aci].wmep_aifsn << 8 | 3129 wmep[aci].wmep_txopLimit); 3130 } 3131 3132 /* update SCH/DMA registers too */ 3133 RAL_WRITE(sc, RT2860_WMM_AIFSN_CFG, 3134 wmep[WME_AC_VO].wmep_aifsn << 12 | 3135 wmep[WME_AC_VI].wmep_aifsn << 8 | 3136 wmep[WME_AC_BK].wmep_aifsn << 4 | 3137 wmep[WME_AC_BE].wmep_aifsn); 3138 RAL_WRITE(sc, RT2860_WMM_CWMIN_CFG, 3139 wmep[WME_AC_VO].wmep_logcwmin << 12 | 3140 wmep[WME_AC_VI].wmep_logcwmin << 8 | 3141 wmep[WME_AC_BK].wmep_logcwmin << 4 | 3142 wmep[WME_AC_BE].wmep_logcwmin); 3143 RAL_WRITE(sc, RT2860_WMM_CWMAX_CFG, 3144 wmep[WME_AC_VO].wmep_logcwmax << 12 | 3145 wmep[WME_AC_VI].wmep_logcwmax << 8 | 3146 wmep[WME_AC_BK].wmep_logcwmax << 4 | 3147 wmep[WME_AC_BE].wmep_logcwmax); 3148 RAL_WRITE(sc, RT2860_WMM_TXOP0_CFG, 3149 wmep[WME_AC_BK].wmep_txopLimit << 16 | 3150 wmep[WME_AC_BE].wmep_txopLimit); 3151 RAL_WRITE(sc, RT2860_WMM_TXOP1_CFG, 3152 wmep[WME_AC_VO].wmep_txopLimit << 16 | 3153 wmep[WME_AC_VI].wmep_txopLimit); 3154 3155 return 0; 3156 } 3157 3158 #ifdef HW_CRYPTO 3159 static int 3160 rt2860_set_key(struct ieee80211com *ic, struct ieee80211_node *ni, 3161 struct ieee80211_key *k) 3162 { 3163 struct rt2860_softc *sc = ic->ic_softc; 3164 bus_size_t base; 3165 uint32_t attr; 3166 uint8_t mode, wcid, iv[8]; 3167 3168 /* defer setting of WEP keys until interface is brought up */ 3169 if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) != 3170 (IFF_UP | IFF_RUNNING)) 3171 return 0; 3172 3173 /* map net80211 cipher to RT2860 security mode */ 3174 switch (k->k_cipher) { 3175 case IEEE80211_CIPHER_WEP40: 3176 mode = RT2860_MODE_WEP40; 3177 break; 3178 case IEEE80211_CIPHER_WEP104: 3179 mode = RT2860_MODE_WEP104; 3180 break; 3181 case IEEE80211_CIPHER_TKIP: 3182 mode = RT2860_MODE_TKIP; 3183 break; 3184 case IEEE80211_CIPHER_CCMP: 3185 mode = RT2860_MODE_AES_CCMP; 3186 break; 3187 default: 3188 return EINVAL; 3189 } 3190 3191 if (k->k_flags & IEEE80211_KEY_GROUP) { 3192 wcid = 0; /* NB: update WCID0 for group keys */ 3193 base = RT2860_SKEY(0, k->k_id); 3194 } else { 3195 wcid = ((struct rt2860_node *)ni)->wcid; 3196 base = RT2860_PKEY(wcid); 3197 } 3198 3199 if (k->k_cipher == IEEE80211_CIPHER_TKIP) { 3200 RAL_WRITE_REGION_1(sc, base, k->k_key, 16); 3201 #ifndef IEEE80211_STA_ONLY 3202 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 3203 RAL_WRITE_REGION_1(sc, base + 16, &k->k_key[16], 8); 3204 RAL_WRITE_REGION_1(sc, base + 24, &k->k_key[24], 8); 3205 } else 3206 #endif 3207 { 3208 RAL_WRITE_REGION_1(sc, base + 16, &k->k_key[24], 8); 3209 RAL_WRITE_REGION_1(sc, base + 24, &k->k_key[16], 8); 3210 } 3211 } else 3212 RAL_WRITE_REGION_1(sc, base, k->k_key, k->k_len); 3213 3214 if (!(k->k_flags & IEEE80211_KEY_GROUP) || 3215 (k->k_flags & IEEE80211_KEY_TX)) { 3216 /* set initial packet number in IV+EIV */ 3217 if (k->k_cipher == IEEE80211_CIPHER_WEP40 || 3218 k->k_cipher == IEEE80211_CIPHER_WEP104) { 3219 uint32_t val = arc4random(); 3220 /* skip weak IVs from Fluhrer/Mantin/Shamir */ 3221 if (val >= 0x03ff00 && (val & 0xf8ff00) == 0x00ff00) 3222 val += 0x000100; 3223 iv[0] = val; 3224 iv[1] = val >> 8; 3225 iv[2] = val >> 16; 3226 iv[3] = k->k_id << 6; 3227 iv[4] = iv[5] = iv[6] = iv[7] = 0; 3228 } else { 3229 if (k->k_cipher == IEEE80211_CIPHER_TKIP) { 3230 iv[0] = k->k_tsc >> 8; 3231 iv[1] = (iv[0] | 0x20) & 0x7f; 3232 iv[2] = k->k_tsc; 3233 } else /* CCMP */ { 3234 iv[0] = k->k_tsc; 3235 iv[1] = k->k_tsc >> 8; 3236 iv[2] = 0; 3237 } 3238 iv[3] = k->k_id << 6 | IEEE80211_WEP_EXTIV; 3239 iv[4] = k->k_tsc >> 16; 3240 iv[5] = k->k_tsc >> 24; 3241 iv[6] = k->k_tsc >> 32; 3242 iv[7] = k->k_tsc >> 40; 3243 } 3244 RAL_WRITE_REGION_1(sc, RT2860_IVEIV(wcid), iv, 8); 3245 } 3246 3247 if (k->k_flags & IEEE80211_KEY_GROUP) { 3248 /* install group key */ 3249 attr = RAL_READ(sc, RT2860_SKEY_MODE_0_7); 3250 attr &= ~(0xf << (k->k_id * 4)); 3251 attr |= mode << (k->k_id * 4); 3252 RAL_WRITE(sc, RT2860_SKEY_MODE_0_7, attr); 3253 } else { 3254 /* install pairwise key */ 3255 attr = RAL_READ(sc, RT2860_WCID_ATTR(wcid)); 3256 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN; 3257 RAL_WRITE(sc, RT2860_WCID_ATTR(wcid), attr); 3258 } 3259 return 0; 3260 } 3261 3262 static void 3263 rt2860_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni, 3264 struct ieee80211_key *k) 3265 { 3266 struct rt2860_softc *sc = ic->ic_softc; 3267 uint32_t attr; 3268 uint8_t wcid; 3269 3270 if (k->k_flags & IEEE80211_KEY_GROUP) { 3271 /* remove group key */ 3272 attr = RAL_READ(sc, RT2860_SKEY_MODE_0_7); 3273 attr &= ~(0xf << (k->k_id * 4)); 3274 RAL_WRITE(sc, RT2860_SKEY_MODE_0_7, attr); 3275 3276 } else { 3277 /* remove pairwise key */ 3278 wcid = ((struct rt2860_node *)ni)->wcid; 3279 attr = RAL_READ(sc, RT2860_WCID_ATTR(wcid)); 3280 attr &= ~0xf; 3281 RAL_WRITE(sc, RT2860_WCID_ATTR(wcid), attr); 3282 } 3283 } 3284 #endif 3285 3286 static int8_t 3287 rt2860_rssi2dbm(struct rt2860_softc *sc, uint8_t rssi, uint8_t rxchain) 3288 { 3289 struct ieee80211com *ic = &sc->sc_ic; 3290 struct ieee80211_channel *c = ic->ic_curchan; 3291 int delta; 3292 3293 if (IEEE80211_IS_CHAN_5GHZ(c)) { 3294 u_int chan = ieee80211_chan2ieee(ic, c); 3295 delta = sc->rssi_5ghz[rxchain]; 3296 3297 /* determine channel group */ 3298 if (chan <= 64) 3299 delta -= sc->lna[1]; 3300 else if (chan <= 128) 3301 delta -= sc->lna[2]; 3302 else 3303 delta -= sc->lna[3]; 3304 } else 3305 delta = sc->rssi_2ghz[rxchain] - sc->lna[0]; 3306 3307 return -12 - delta - rssi; 3308 } 3309 3310 /* 3311 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word. 3312 * Used to adjust per-rate Tx power registers. 3313 */ 3314 static __inline uint32_t 3315 b4inc(uint32_t b32, int8_t delta) 3316 { 3317 int8_t i, b4; 3318 3319 for (i = 0; i < 8; i++) { 3320 b4 = b32 & 0xf; 3321 b4 += delta; 3322 if (b4 < 0) 3323 b4 = 0; 3324 else if (b4 > 0xf) 3325 b4 = 0xf; 3326 b32 = b32 >> 4 | (uint32_t)b4 << 28; 3327 } 3328 return b32; 3329 } 3330 3331 static const char * 3332 rt2860_get_rf(uint16_t rev) 3333 { 3334 switch (rev) { 3335 case RT2860_RF_2820: return "RT2820"; 3336 case RT2860_RF_2850: return "RT2850"; 3337 case RT2860_RF_2720: return "RT2720"; 3338 case RT2860_RF_2750: return "RT2750"; 3339 case RT3070_RF_3020: return "RT3020"; 3340 case RT3070_RF_2020: return "RT2020"; 3341 case RT3070_RF_3021: return "RT3021"; 3342 case RT3070_RF_3022: return "RT3022"; 3343 case RT3070_RF_3052: return "RT3052"; 3344 case RT3070_RF_3320: return "RT3320"; 3345 case RT3070_RF_3053: return "RT3053"; 3346 case RT5390_RF_5360: return "RT5360"; 3347 case RT5390_RF_5390: return "RT5390"; 3348 default: return "unknown"; 3349 } 3350 } 3351 3352 static int 3353 rt2860_read_eeprom(struct rt2860_softc *sc, uint8_t macaddr[IEEE80211_ADDR_LEN]) 3354 { 3355 int8_t delta_2ghz, delta_5ghz; 3356 uint32_t tmp; 3357 uint16_t val; 3358 int ridx, ant, i; 3359 3360 /* check whether the ROM is eFUSE ROM or EEPROM */ 3361 sc->sc_srom_read = rt2860_eeprom_read_2; 3362 if (sc->mac_ver >= 0x3071) { 3363 tmp = RAL_READ(sc, RT3070_EFUSE_CTRL); 3364 DPRINTF(("EFUSE_CTRL=0x%08x\n", tmp)); 3365 if (tmp & RT3070_SEL_EFUSE) 3366 sc->sc_srom_read = rt3090_efuse_read_2; 3367 } 3368 3369 #ifdef RAL_DEBUG 3370 /* read EEPROM version */ 3371 val = rt2860_srom_read(sc, RT2860_EEPROM_VERSION); 3372 DPRINTF(("EEPROM rev=%d, FAE=%d\n", val >> 8, val & 0xff)); 3373 #endif 3374 3375 /* read MAC address */ 3376 val = rt2860_srom_read(sc, RT2860_EEPROM_MAC01); 3377 macaddr[0] = val & 0xff; 3378 macaddr[1] = val >> 8; 3379 val = rt2860_srom_read(sc, RT2860_EEPROM_MAC23); 3380 macaddr[2] = val & 0xff; 3381 macaddr[3] = val >> 8; 3382 val = rt2860_srom_read(sc, RT2860_EEPROM_MAC45); 3383 macaddr[4] = val & 0xff; 3384 macaddr[5] = val >> 8; 3385 3386 #ifdef RAL_DEBUG 3387 /* read country code */ 3388 val = rt2860_srom_read(sc, RT2860_EEPROM_COUNTRY); 3389 DPRINTF(("EEPROM region code=0x%04x\n", val)); 3390 #endif 3391 3392 /* read vendor BBP settings */ 3393 for (i = 0; i < 8; i++) { 3394 val = rt2860_srom_read(sc, RT2860_EEPROM_BBP_BASE + i); 3395 sc->bbp[i].val = val & 0xff; 3396 sc->bbp[i].reg = val >> 8; 3397 DPRINTF(("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val)); 3398 } 3399 if (sc->mac_ver >= 0x3071) { 3400 /* read vendor RF settings */ 3401 for (i = 0; i < 10; i++) { 3402 val = rt2860_srom_read(sc, RT3071_EEPROM_RF_BASE + i); 3403 sc->rf[i].val = val & 0xff; 3404 sc->rf[i].reg = val >> 8; 3405 DPRINTF(("RF%d=0x%02x\n", sc->rf[i].reg, 3406 sc->rf[i].val)); 3407 } 3408 } 3409 3410 /* read RF frequency offset from EEPROM */ 3411 val = rt2860_srom_read(sc, RT2860_EEPROM_FREQ_LEDS); 3412 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0; 3413 DPRINTF(("EEPROM freq offset %d\n", sc->freq & 0xff)); 3414 if ((val >> 8) != 0xff) { 3415 /* read LEDs operating mode */ 3416 sc->leds = val >> 8; 3417 sc->led[0] = rt2860_srom_read(sc, RT2860_EEPROM_LED1); 3418 sc->led[1] = rt2860_srom_read(sc, RT2860_EEPROM_LED2); 3419 sc->led[2] = rt2860_srom_read(sc, RT2860_EEPROM_LED3); 3420 } else { 3421 /* broken EEPROM, use default settings */ 3422 sc->leds = 0x01; 3423 sc->led[0] = 0x5555; 3424 sc->led[1] = 0x2221; 3425 sc->led[2] = 0xa9f8; 3426 } 3427 DPRINTF(("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n", 3428 sc->leds, sc->led[0], sc->led[1], sc->led[2])); 3429 3430 /* read RF information */ 3431 val = rt2860_srom_read(sc, RT2860_EEPROM_ANTENNA); 3432 if (sc->mac_ver >= 0x5390) 3433 sc->rf_rev = rt2860_srom_read(sc, RT2860_EEPROM_CHIPID); 3434 else 3435 sc->rf_rev = (val >> 8) & 0xf; 3436 sc->ntxchains = (val >> 4) & 0xf; 3437 sc->nrxchains = val & 0xf; 3438 DPRINTF(("EEPROM RF rev=0x%02x chains=%dT%dR\n", 3439 sc->rf_rev, sc->ntxchains, sc->nrxchains)); 3440 3441 /* check if RF supports automatic Tx access gain control */ 3442 val = rt2860_srom_read(sc, RT2860_EEPROM_CONFIG); 3443 DPRINTF(("EEPROM CFG 0x%04x\n", val)); 3444 /* check if driver should patch the DAC issue */ 3445 if ((val >> 8) != 0xff) 3446 sc->patch_dac = (val >> 15) & 1; 3447 if ((val & 0xff) != 0xff) { 3448 sc->ext_5ghz_lna = (val >> 3) & 1; 3449 sc->ext_2ghz_lna = (val >> 2) & 1; 3450 /* check if RF supports automatic Tx access gain control */ 3451 sc->calib_2ghz = sc->calib_5ghz = 0; /* XXX (val >> 1) & 1 */ 3452 /* check if we have a hardware radio switch */ 3453 sc->rfswitch = val & 1; 3454 } 3455 if (sc->sc_flags & RT2860_ADVANCED_PS) { 3456 /* read PCIe power save level */ 3457 val = rt2860_srom_read(sc, RT2860_EEPROM_PCIE_PSLEVEL); 3458 if ((val & 0xff) != 0xff) { 3459 sc->pslevel = val & 0x3; 3460 val = rt2860_srom_read(sc, RT2860_EEPROM_REV); 3461 if ((val & 0xff80) != 0x9280) 3462 sc->pslevel = MIN(sc->pslevel, 1); 3463 DPRINTF(("EEPROM PCIe PS Level=%d\n", sc->pslevel)); 3464 } 3465 } 3466 3467 /* read power settings for 2GHz channels */ 3468 for (i = 0; i < 14; i += 2) { 3469 val = rt2860_srom_read(sc, 3470 RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2); 3471 sc->txpow1[i + 0] = (int8_t)(val & 0xff); 3472 sc->txpow1[i + 1] = (int8_t)(val >> 8); 3473 3474 if (sc->mac_ver != 0x5390) { 3475 val = rt2860_srom_read(sc, 3476 RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2); 3477 sc->txpow2[i + 0] = (int8_t)(val & 0xff); 3478 sc->txpow2[i + 1] = (int8_t)(val >> 8); 3479 } 3480 } 3481 /* fix broken Tx power entries */ 3482 for (i = 0; i < 14; i++) { 3483 if (sc->txpow1[i] < 0 || 3484 sc->txpow1[i] > ((sc->mac_ver >= 0x5390) ? 39 : 31)) 3485 sc->txpow1[i] = 5; 3486 if (sc->mac_ver != 0x5390) { 3487 if (sc->txpow2[i] < 0 || 3488 sc->txpow2[i] > ((sc->mac_ver == 0x5392) ? 39 : 31)) 3489 sc->txpow2[i] = 5; 3490 } 3491 DPRINTF(("chan %d: power1=%d, power2=%d\n", 3492 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i])); 3493 } 3494 /* read power settings for 5GHz channels */ 3495 for (i = 0; i < 40; i += 2) { 3496 val = rt2860_srom_read(sc, 3497 RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2); 3498 sc->txpow1[i + 14] = (int8_t)(val & 0xff); 3499 sc->txpow1[i + 15] = (int8_t)(val >> 8); 3500 3501 val = rt2860_srom_read(sc, 3502 RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2); 3503 sc->txpow2[i + 14] = (int8_t)(val & 0xff); 3504 sc->txpow2[i + 15] = (int8_t)(val >> 8); 3505 } 3506 /* fix broken Tx power entries */ 3507 for (i = 0; i < 40; i++) { 3508 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15) 3509 sc->txpow1[14 + i] = 5; 3510 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15) 3511 sc->txpow2[14 + i] = 5; 3512 DPRINTF(("chan %d: power1=%d, power2=%d\n", 3513 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i], 3514 sc->txpow2[14 + i])); 3515 } 3516 3517 /* read Tx power compensation for each Tx rate */ 3518 val = rt2860_srom_read(sc, RT2860_EEPROM_DELTAPWR); 3519 delta_2ghz = delta_5ghz = 0; 3520 if ((val & 0xff) != 0xff && (val & 0x80)) { 3521 delta_2ghz = val & 0xf; 3522 if (!(val & 0x40)) /* negative number */ 3523 delta_2ghz = -delta_2ghz; 3524 } 3525 val >>= 8; 3526 if ((val & 0xff) != 0xff && (val & 0x80)) { 3527 delta_5ghz = val & 0xf; 3528 if (!(val & 0x40)) /* negative number */ 3529 delta_5ghz = -delta_5ghz; 3530 } 3531 DPRINTF(("power compensation=%d (2GHz), %d (5GHz)\n", 3532 delta_2ghz, delta_5ghz)); 3533 3534 for (ridx = 0; ridx < 5; ridx++) { 3535 uint32_t reg; 3536 3537 val = rt2860_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2); 3538 reg = val; 3539 val = rt2860_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1); 3540 reg |= (uint32_t)val << 16; 3541 3542 sc->txpow20mhz[ridx] = reg; 3543 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz); 3544 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz); 3545 3546 DPRINTF(("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, " 3547 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx], 3548 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx])); 3549 } 3550 3551 /* read factory-calibrated samples for temperature compensation */ 3552 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI1_2GHZ); 3553 sc->tssi_2ghz[0] = val & 0xff; /* [-4] */ 3554 sc->tssi_2ghz[1] = val >> 8; /* [-3] */ 3555 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI2_2GHZ); 3556 sc->tssi_2ghz[2] = val & 0xff; /* [-2] */ 3557 sc->tssi_2ghz[3] = val >> 8; /* [-1] */ 3558 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI3_2GHZ); 3559 sc->tssi_2ghz[4] = val & 0xff; /* [+0] */ 3560 sc->tssi_2ghz[5] = val >> 8; /* [+1] */ 3561 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI4_2GHZ); 3562 sc->tssi_2ghz[6] = val & 0xff; /* [+2] */ 3563 sc->tssi_2ghz[7] = val >> 8; /* [+3] */ 3564 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI5_2GHZ); 3565 sc->tssi_2ghz[8] = val & 0xff; /* [+4] */ 3566 sc->step_2ghz = val >> 8; 3567 DPRINTF(("TSSI 2GHz: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x " 3568 "0x%02x 0x%02x step=%d\n", sc->tssi_2ghz[0], sc->tssi_2ghz[1], 3569 sc->tssi_2ghz[2], sc->tssi_2ghz[3], sc->tssi_2ghz[4], 3570 sc->tssi_2ghz[5], sc->tssi_2ghz[6], sc->tssi_2ghz[7], 3571 sc->tssi_2ghz[8], sc->step_2ghz)); 3572 /* check that ref value is correct, otherwise disable calibration */ 3573 if (sc->tssi_2ghz[4] == 0xff) 3574 sc->calib_2ghz = 0; 3575 3576 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI1_5GHZ); 3577 sc->tssi_5ghz[0] = val & 0xff; /* [-4] */ 3578 sc->tssi_5ghz[1] = val >> 8; /* [-3] */ 3579 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI2_5GHZ); 3580 sc->tssi_5ghz[2] = val & 0xff; /* [-2] */ 3581 sc->tssi_5ghz[3] = val >> 8; /* [-1] */ 3582 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI3_5GHZ); 3583 sc->tssi_5ghz[4] = val & 0xff; /* [+0] */ 3584 sc->tssi_5ghz[5] = val >> 8; /* [+1] */ 3585 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI4_5GHZ); 3586 sc->tssi_5ghz[6] = val & 0xff; /* [+2] */ 3587 sc->tssi_5ghz[7] = val >> 8; /* [+3] */ 3588 val = rt2860_srom_read(sc, RT2860_EEPROM_TSSI5_5GHZ); 3589 sc->tssi_5ghz[8] = val & 0xff; /* [+4] */ 3590 sc->step_5ghz = val >> 8; 3591 DPRINTF(("TSSI 5GHz: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x " 3592 "0x%02x 0x%02x step=%d\n", sc->tssi_5ghz[0], sc->tssi_5ghz[1], 3593 sc->tssi_5ghz[2], sc->tssi_5ghz[3], sc->tssi_5ghz[4], 3594 sc->tssi_5ghz[5], sc->tssi_5ghz[6], sc->tssi_5ghz[7], 3595 sc->tssi_5ghz[8], sc->step_5ghz)); 3596 /* check that ref value is correct, otherwise disable calibration */ 3597 if (sc->tssi_5ghz[4] == 0xff) 3598 sc->calib_5ghz = 0; 3599 3600 /* read RSSI offsets and LNA gains from EEPROM */ 3601 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ); 3602 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */ 3603 sc->rssi_2ghz[1] = val >> 8; /* Ant B */ 3604 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ); 3605 if (sc->mac_ver >= 0x3071) { 3606 /* 3607 * On RT3090 chips (limited to 2 Rx chains), this ROM 3608 * field contains the Tx mixer gain for the 2GHz band. 3609 */ 3610 if ((val & 0xff) != 0xff) 3611 sc->txmixgain_2ghz = val & 0x7; 3612 DPRINTF(("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz)); 3613 } else 3614 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */ 3615 sc->lna[2] = val >> 8; /* channel group 2 */ 3616 3617 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ); 3618 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */ 3619 sc->rssi_5ghz[1] = val >> 8; /* Ant B */ 3620 val = rt2860_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ); 3621 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */ 3622 sc->lna[3] = val >> 8; /* channel group 3 */ 3623 3624 val = rt2860_srom_read(sc, RT2860_EEPROM_LNA); 3625 if (sc->mac_ver >= 0x3071) 3626 sc->lna[0] = RT3090_DEF_LNA; 3627 else /* channel group 0 */ 3628 sc->lna[0] = val & 0xff; 3629 sc->lna[1] = val >> 8; /* channel group 1 */ 3630 3631 /* fix broken 5GHz LNA entries */ 3632 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) { 3633 DPRINTF(("invalid LNA for channel group %d\n", 2)); 3634 sc->lna[2] = sc->lna[1]; 3635 } 3636 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) { 3637 DPRINTF(("invalid LNA for channel group %d\n", 3)); 3638 sc->lna[3] = sc->lna[1]; 3639 } 3640 3641 /* fix broken RSSI offset entries */ 3642 for (ant = 0; ant < 3; ant++) { 3643 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) { 3644 DPRINTF(("invalid RSSI%d offset: %d (2GHz)\n", 3645 ant + 1, sc->rssi_2ghz[ant])); 3646 sc->rssi_2ghz[ant] = 0; 3647 } 3648 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) { 3649 DPRINTF(("invalid RSSI%d offset: %d (5GHz)\n", 3650 ant + 1, sc->rssi_5ghz[ant])); 3651 sc->rssi_5ghz[ant] = 0; 3652 } 3653 } 3654 3655 return 0; 3656 } 3657 3658 static int 3659 rt2860_bbp_init(struct rt2860_softc *sc) 3660 { 3661 int i, ntries; 3662 3663 /* wait for BBP to wake up */ 3664 for (ntries = 0; ntries < 20; ntries++) { 3665 uint8_t bbp0 = rt2860_mcu_bbp_read(sc, 0); 3666 if (bbp0 != 0 && bbp0 != 0xff) 3667 break; 3668 } 3669 if (ntries == 20) { 3670 device_printf(sc->sc_dev, 3671 "timeout waiting for BBP to wake up\n"); 3672 return (ETIMEDOUT); 3673 } 3674 3675 /* initialize BBP registers to default values */ 3676 if (sc->mac_ver >= 0x5390) 3677 rt5390_bbp_init(sc); 3678 else { 3679 for (i = 0; i < nitems(rt2860_def_bbp); i++) { 3680 rt2860_mcu_bbp_write(sc, rt2860_def_bbp[i].reg, 3681 rt2860_def_bbp[i].val); 3682 } 3683 } 3684 3685 /* fix BBP84 for RT2860E */ 3686 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101) 3687 rt2860_mcu_bbp_write(sc, 84, 0x19); 3688 3689 if (sc->mac_ver >= 0x3071) { 3690 rt2860_mcu_bbp_write(sc, 79, 0x13); 3691 rt2860_mcu_bbp_write(sc, 80, 0x05); 3692 rt2860_mcu_bbp_write(sc, 81, 0x33); 3693 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) { 3694 rt2860_mcu_bbp_write(sc, 69, 0x16); 3695 rt2860_mcu_bbp_write(sc, 73, 0x12); 3696 } 3697 3698 return 0; 3699 } 3700 3701 static void 3702 rt5390_bbp_init(struct rt2860_softc *sc) 3703 { 3704 uint8_t bbp; 3705 int i; 3706 3707 /* Apply maximum likelihood detection for 2 stream case. */ 3708 if (sc->nrxchains > 1) { 3709 bbp = rt2860_mcu_bbp_read(sc, 105); 3710 rt2860_mcu_bbp_write(sc, 105, bbp | RT5390_MLD); 3711 } 3712 3713 /* Avoid data lost and CRC error. */ 3714 bbp = rt2860_mcu_bbp_read(sc, 4); 3715 rt2860_mcu_bbp_write(sc, 4, bbp | RT5390_MAC_IF_CTRL); 3716 3717 for (i = 0; i < nitems(rt5390_def_bbp); i++) { 3718 rt2860_mcu_bbp_write(sc, rt5390_def_bbp[i].reg, 3719 rt5390_def_bbp[i].val); 3720 } 3721 3722 if (sc->mac_ver == 0x5392) { 3723 rt2860_mcu_bbp_write(sc, 84, 0x9a); 3724 rt2860_mcu_bbp_write(sc, 95, 0x9a); 3725 rt2860_mcu_bbp_write(sc, 98, 0x12); 3726 rt2860_mcu_bbp_write(sc, 106, 0x05); 3727 rt2860_mcu_bbp_write(sc, 134, 0xd0); 3728 rt2860_mcu_bbp_write(sc, 135, 0xf6); 3729 } 3730 3731 bbp = rt2860_mcu_bbp_read(sc, 152); 3732 rt2860_mcu_bbp_write(sc, 152, bbp | 0x80); 3733 3734 /* Disable hardware antenna diversity. */ 3735 if (sc->mac_ver == 0x5390) 3736 rt2860_mcu_bbp_write(sc, 154, 0); 3737 } 3738 3739 static int 3740 rt2860_txrx_enable(struct rt2860_softc *sc) 3741 { 3742 struct ieee80211com *ic = &sc->sc_ic; 3743 uint32_t tmp; 3744 int ntries; 3745 3746 /* enable Tx/Rx DMA engine */ 3747 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN); 3748 RAL_BARRIER_READ_WRITE(sc); 3749 for (ntries = 0; ntries < 200; ntries++) { 3750 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3751 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 3752 break; 3753 DELAY(1000); 3754 } 3755 if (ntries == 200) { 3756 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 3757 return ETIMEDOUT; 3758 } 3759 3760 DELAY(50); 3761 3762 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | 3763 RT2860_WPDMA_BT_SIZE64 << RT2860_WPDMA_BT_SIZE_SHIFT; 3764 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3765 3766 /* set Rx filter */ 3767 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR; 3768 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 3769 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL | 3770 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK | 3771 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV | 3772 RT2860_DROP_CFACK | RT2860_DROP_CFEND; 3773 if (ic->ic_opmode == IEEE80211_M_STA) 3774 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL; 3775 } 3776 RAL_WRITE(sc, RT2860_RX_FILTR_CFG, tmp); 3777 3778 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 3779 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 3780 3781 return 0; 3782 } 3783 3784 static void 3785 rt2860_init(void *arg) 3786 { 3787 struct rt2860_softc *sc = arg; 3788 struct ieee80211com *ic = &sc->sc_ic; 3789 3790 RAL_LOCK(sc); 3791 rt2860_init_locked(sc); 3792 RAL_UNLOCK(sc); 3793 3794 if (sc->sc_flags & RT2860_RUNNING) 3795 ieee80211_start_all(ic); 3796 } 3797 3798 static void 3799 rt2860_init_locked(struct rt2860_softc *sc) 3800 { 3801 struct ieee80211com *ic = &sc->sc_ic; 3802 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 3803 uint32_t tmp; 3804 uint8_t bbp1, bbp3; 3805 int i, qid, ridx, ntries, error; 3806 3807 RAL_LOCK_ASSERT(sc); 3808 3809 if (sc->rfswitch) { 3810 /* hardware has a radio switch on GPIO pin 2 */ 3811 if (!(RAL_READ(sc, RT2860_GPIO_CTRL) & (1 << 2))) { 3812 device_printf(sc->sc_dev, 3813 "radio is disabled by hardware switch\n"); 3814 #ifdef notyet 3815 rt2860_stop_locked(sc); 3816 return; 3817 #endif 3818 } 3819 } 3820 RAL_WRITE(sc, RT2860_PWR_PIN_CFG, RT2860_IO_RA_PE); 3821 3822 /* disable DMA */ 3823 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3824 tmp &= ~(RT2860_RX_DMA_BUSY | RT2860_RX_DMA_EN | RT2860_TX_DMA_BUSY | 3825 RT2860_TX_DMA_EN); 3826 tmp |= RT2860_TX_WB_DDONE; 3827 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3828 3829 /* reset DMA indexes */ 3830 RAL_WRITE(sc, RT2860_WPDMA_RST_IDX, RT2860_RST_DRX_IDX0 | 3831 RT2860_RST_DTX_IDX5 | RT2860_RST_DTX_IDX4 | RT2860_RST_DTX_IDX3 | 3832 RT2860_RST_DTX_IDX2 | RT2860_RST_DTX_IDX1 | RT2860_RST_DTX_IDX0); 3833 3834 /* PBF hardware reset */ 3835 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe1f); 3836 RAL_BARRIER_WRITE(sc); 3837 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe00); 3838 3839 if ((error = rt2860_load_microcode(sc)) != 0) { 3840 device_printf(sc->sc_dev, "could not load 8051 microcode\n"); 3841 rt2860_stop_locked(sc); 3842 return; 3843 } 3844 3845 rt2860_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr); 3846 3847 /* init Tx power for all Tx rates (from EEPROM) */ 3848 for (ridx = 0; ridx < 5; ridx++) { 3849 if (sc->txpow20mhz[ridx] == 0xffffffff) 3850 continue; 3851 RAL_WRITE(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]); 3852 } 3853 3854 for (ntries = 0; ntries < 100; ntries++) { 3855 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3856 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 3857 break; 3858 DELAY(1000); 3859 } 3860 if (ntries == 100) { 3861 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 3862 rt2860_stop_locked(sc); 3863 return; 3864 } 3865 tmp &= ~(RT2860_RX_DMA_BUSY | RT2860_RX_DMA_EN | RT2860_TX_DMA_BUSY | 3866 RT2860_TX_DMA_EN); 3867 tmp |= RT2860_TX_WB_DDONE; 3868 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3869 3870 /* reset Rx ring and all 6 Tx rings */ 3871 RAL_WRITE(sc, RT2860_WPDMA_RST_IDX, 0x1003f); 3872 3873 /* PBF hardware reset */ 3874 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe1f); 3875 RAL_BARRIER_WRITE(sc); 3876 RAL_WRITE(sc, RT2860_SYS_CTRL, 0xe00); 3877 3878 RAL_WRITE(sc, RT2860_PWR_PIN_CFG, RT2860_IO_RA_PE | RT2860_IO_RF_PE); 3879 3880 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 3881 RAL_BARRIER_WRITE(sc); 3882 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 0); 3883 3884 for (i = 0; i < nitems(rt2860_def_mac); i++) 3885 RAL_WRITE(sc, rt2860_def_mac[i].reg, rt2860_def_mac[i].val); 3886 if (sc->mac_ver >= 0x5390) 3887 RAL_WRITE(sc, RT2860_TX_SW_CFG0, 0x00000404); 3888 else if (sc->mac_ver >= 0x3071) { 3889 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */ 3890 RAL_WRITE(sc, RT2860_TX_SW_CFG0, 3891 4 << RT2860_DLY_PAPE_EN_SHIFT); 3892 } 3893 3894 if (!(RAL_READ(sc, RT2860_PCI_CFG) & RT2860_PCI_CFG_PCI)) { 3895 sc->sc_flags |= RT2860_PCIE; 3896 /* PCIe has different clock cycle count than PCI */ 3897 tmp = RAL_READ(sc, RT2860_US_CYC_CNT); 3898 tmp = (tmp & ~0xff) | 0x7d; 3899 RAL_WRITE(sc, RT2860_US_CYC_CNT, tmp); 3900 } 3901 3902 /* wait while MAC is busy */ 3903 for (ntries = 0; ntries < 100; ntries++) { 3904 if (!(RAL_READ(sc, RT2860_MAC_STATUS_REG) & 3905 (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY))) 3906 break; 3907 DELAY(1000); 3908 } 3909 if (ntries == 100) { 3910 device_printf(sc->sc_dev, "timeout waiting for MAC\n"); 3911 rt2860_stop_locked(sc); 3912 return; 3913 } 3914 3915 /* clear Host to MCU mailbox */ 3916 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, 0); 3917 RAL_WRITE(sc, RT2860_H2M_MAILBOX, 0); 3918 3919 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0, 0); 3920 DELAY(1000); 3921 3922 if ((error = rt2860_bbp_init(sc)) != 0) { 3923 rt2860_stop_locked(sc); 3924 return; 3925 } 3926 3927 /* clear RX WCID search table */ 3928 RAL_SET_REGION_4(sc, RT2860_WCID_ENTRY(0), 0, 512); 3929 /* clear pairwise key table */ 3930 RAL_SET_REGION_4(sc, RT2860_PKEY(0), 0, 2048); 3931 /* clear IV/EIV table */ 3932 RAL_SET_REGION_4(sc, RT2860_IVEIV(0), 0, 512); 3933 /* clear WCID attribute table */ 3934 RAL_SET_REGION_4(sc, RT2860_WCID_ATTR(0), 0, 256); 3935 /* clear shared key table */ 3936 RAL_SET_REGION_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32); 3937 /* clear shared key mode */ 3938 RAL_SET_REGION_4(sc, RT2860_SKEY_MODE_0_7, 0, 4); 3939 3940 /* init Tx rings (4 EDCAs + HCCA + Mgt) */ 3941 for (qid = 0; qid < 6; qid++) { 3942 RAL_WRITE(sc, RT2860_TX_BASE_PTR(qid), sc->txq[qid].paddr); 3943 RAL_WRITE(sc, RT2860_TX_MAX_CNT(qid), RT2860_TX_RING_COUNT); 3944 RAL_WRITE(sc, RT2860_TX_CTX_IDX(qid), 0); 3945 } 3946 3947 /* init Rx ring */ 3948 RAL_WRITE(sc, RT2860_RX_BASE_PTR, sc->rxq.paddr); 3949 RAL_WRITE(sc, RT2860_RX_MAX_CNT, RT2860_RX_RING_COUNT); 3950 RAL_WRITE(sc, RT2860_RX_CALC_IDX, RT2860_RX_RING_COUNT - 1); 3951 3952 /* setup maximum buffer sizes */ 3953 RAL_WRITE(sc, RT2860_MAX_LEN_CFG, 1 << 12 | 3954 (MCLBYTES - sizeof (struct rt2860_rxwi) - 2)); 3955 3956 for (ntries = 0; ntries < 100; ntries++) { 3957 tmp = RAL_READ(sc, RT2860_WPDMA_GLO_CFG); 3958 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 3959 break; 3960 DELAY(1000); 3961 } 3962 if (ntries == 100) { 3963 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 3964 rt2860_stop_locked(sc); 3965 return; 3966 } 3967 tmp &= ~(RT2860_RX_DMA_BUSY | RT2860_RX_DMA_EN | RT2860_TX_DMA_BUSY | 3968 RT2860_TX_DMA_EN); 3969 tmp |= RT2860_TX_WB_DDONE; 3970 RAL_WRITE(sc, RT2860_WPDMA_GLO_CFG, tmp); 3971 3972 /* disable interrupts mitigation */ 3973 RAL_WRITE(sc, RT2860_DELAY_INT_CFG, 0); 3974 3975 /* write vendor-specific BBP values (from EEPROM) */ 3976 for (i = 0; i < 8; i++) { 3977 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff) 3978 continue; 3979 rt2860_mcu_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val); 3980 } 3981 3982 /* select Main antenna for 1T1R devices */ 3983 if (sc->rf_rev == RT3070_RF_2020 || 3984 sc->rf_rev == RT3070_RF_3020 || 3985 sc->rf_rev == RT3070_RF_3320 || 3986 sc->mac_ver == 0x5390) 3987 rt3090_set_rx_antenna(sc, 0); 3988 3989 /* send LEDs operating mode to microcontroller */ 3990 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0], 0); 3991 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1], 0); 3992 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2], 0); 3993 3994 if (sc->mac_ver >= 0x5390) 3995 rt5390_rf_init(sc); 3996 else if (sc->mac_ver >= 0x3071) { 3997 if ((error = rt3090_rf_init(sc)) != 0) { 3998 rt2860_stop_locked(sc); 3999 return; 4000 } 4001 } 4002 4003 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_SLEEP, 0x02ff, 1); 4004 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_WAKEUP, 0, 1); 4005 4006 if (sc->mac_ver >= 0x5390) 4007 rt5390_rf_wakeup(sc); 4008 else if (sc->mac_ver >= 0x3071) 4009 rt3090_rf_wakeup(sc); 4010 4011 /* disable non-existing Rx chains */ 4012 bbp3 = rt2860_mcu_bbp_read(sc, 3); 4013 bbp3 &= ~(1 << 3 | 1 << 4); 4014 if (sc->nrxchains == 2) 4015 bbp3 |= 1 << 3; 4016 else if (sc->nrxchains == 3) 4017 bbp3 |= 1 << 4; 4018 rt2860_mcu_bbp_write(sc, 3, bbp3); 4019 4020 /* disable non-existing Tx chains */ 4021 bbp1 = rt2860_mcu_bbp_read(sc, 1); 4022 if (sc->ntxchains == 1) 4023 bbp1 = (bbp1 & ~(1 << 3 | 1 << 4)); 4024 else if (sc->mac_ver == 0x3593 && sc->ntxchains == 2) 4025 bbp1 = (bbp1 & ~(1 << 4)) | 1 << 3; 4026 else if (sc->mac_ver == 0x3593 && sc->ntxchains == 3) 4027 bbp1 = (bbp1 & ~(1 << 3)) | 1 << 4; 4028 rt2860_mcu_bbp_write(sc, 1, bbp1); 4029 4030 if (sc->mac_ver >= 0x3071) 4031 rt3090_rf_setup(sc); 4032 4033 /* select default channel */ 4034 rt2860_switch_chan(sc, ic->ic_curchan); 4035 4036 /* reset RF from MCU */ 4037 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0, 0); 4038 4039 /* set RTS threshold */ 4040 tmp = RAL_READ(sc, RT2860_TX_RTS_CFG); 4041 tmp &= ~0xffff00; 4042 tmp |= IEEE80211_RTS_DEFAULT << 8; 4043 RAL_WRITE(sc, RT2860_TX_RTS_CFG, tmp); 4044 4045 /* setup initial protection mode */ 4046 rt2860_updateprot(sc); 4047 4048 /* turn radio LED on */ 4049 rt2860_set_leds(sc, RT2860_LED_RADIO); 4050 4051 /* enable Tx/Rx DMA engine */ 4052 if ((error = rt2860_txrx_enable(sc)) != 0) { 4053 rt2860_stop_locked(sc); 4054 return; 4055 } 4056 4057 /* clear pending interrupts */ 4058 RAL_WRITE(sc, RT2860_INT_STATUS, 0xffffffff); 4059 /* enable interrupts */ 4060 RAL_WRITE(sc, RT2860_INT_MASK, 0x3fffc); 4061 4062 if (sc->sc_flags & RT2860_ADVANCED_PS) 4063 rt2860_mcu_cmd(sc, RT2860_MCU_CMD_PSLEVEL, sc->pslevel, 0); 4064 4065 sc->sc_flags |= RT2860_RUNNING; 4066 4067 callout_reset(&sc->watchdog_ch, hz, rt2860_watchdog, sc); 4068 } 4069 4070 static void 4071 rt2860_stop(void *arg) 4072 { 4073 struct rt2860_softc *sc = arg; 4074 4075 RAL_LOCK(sc); 4076 rt2860_stop_locked(sc); 4077 RAL_UNLOCK(sc); 4078 } 4079 4080 static void 4081 rt2860_stop_locked(struct rt2860_softc *sc) 4082 { 4083 uint32_t tmp; 4084 int qid; 4085 4086 if (sc->sc_flags & RT2860_RUNNING) 4087 rt2860_set_leds(sc, 0); /* turn all LEDs off */ 4088 4089 callout_stop(&sc->watchdog_ch); 4090 sc->sc_tx_timer = 0; 4091 sc->sc_flags &= ~RT2860_RUNNING; 4092 4093 /* disable interrupts */ 4094 RAL_WRITE(sc, RT2860_INT_MASK, 0); 4095 4096 /* disable GP timer */ 4097 rt2860_set_gp_timer(sc, 0); 4098 4099 /* disable Rx */ 4100 tmp = RAL_READ(sc, RT2860_MAC_SYS_CTRL); 4101 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4102 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, tmp); 4103 4104 /* reset adapter */ 4105 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 4106 RAL_BARRIER_WRITE(sc); 4107 RAL_WRITE(sc, RT2860_MAC_SYS_CTRL, 0); 4108 4109 /* reset Tx and Rx rings (and reclaim TXWIs) */ 4110 sc->qfullmsk = 0; 4111 for (qid = 0; qid < 6; qid++) 4112 rt2860_reset_tx_ring(sc, &sc->txq[qid]); 4113 rt2860_reset_rx_ring(sc, &sc->rxq); 4114 } 4115 4116 int 4117 rt2860_load_microcode(struct rt2860_softc *sc) 4118 { 4119 const struct firmware *fp; 4120 int ntries, error; 4121 4122 RAL_LOCK_ASSERT(sc); 4123 4124 RAL_UNLOCK(sc); 4125 fp = firmware_get("rt2860fw"); 4126 RAL_LOCK(sc); 4127 if (fp == NULL) { 4128 device_printf(sc->sc_dev, 4129 "unable to receive rt2860fw firmware image\n"); 4130 return EINVAL; 4131 } 4132 4133 /* set "host program ram write selection" bit */ 4134 RAL_WRITE(sc, RT2860_SYS_CTRL, RT2860_HST_PM_SEL); 4135 /* write microcode image */ 4136 RAL_WRITE_REGION_1(sc, RT2860_FW_BASE, fp->data, fp->datasize); 4137 /* kick microcontroller unit */ 4138 RAL_WRITE(sc, RT2860_SYS_CTRL, 0); 4139 RAL_BARRIER_WRITE(sc); 4140 RAL_WRITE(sc, RT2860_SYS_CTRL, RT2860_MCU_RESET); 4141 4142 RAL_WRITE(sc, RT2860_H2M_BBPAGENT, 0); 4143 RAL_WRITE(sc, RT2860_H2M_MAILBOX, 0); 4144 4145 /* wait until microcontroller is ready */ 4146 RAL_BARRIER_READ_WRITE(sc); 4147 for (ntries = 0; ntries < 1000; ntries++) { 4148 if (RAL_READ(sc, RT2860_SYS_CTRL) & RT2860_MCU_READY) 4149 break; 4150 DELAY(1000); 4151 } 4152 if (ntries == 1000) { 4153 device_printf(sc->sc_dev, 4154 "timeout waiting for MCU to initialize\n"); 4155 error = ETIMEDOUT; 4156 } else 4157 error = 0; 4158 4159 firmware_put(fp, FIRMWARE_UNLOAD); 4160 return error; 4161 } 4162 4163 /* 4164 * This function is called periodically to adjust Tx power based on 4165 * temperature variation. 4166 */ 4167 #ifdef NOT_YET 4168 static void 4169 rt2860_calib(struct rt2860_softc *sc) 4170 { 4171 struct ieee80211com *ic = &sc->sc_ic; 4172 const uint8_t *tssi; 4173 uint8_t step, bbp49; 4174 int8_t ridx, d; 4175 4176 /* read current temperature */ 4177 bbp49 = rt2860_mcu_bbp_read(sc, 49); 4178 4179 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_bss->ni_chan)) { 4180 tssi = &sc->tssi_2ghz[4]; 4181 step = sc->step_2ghz; 4182 } else { 4183 tssi = &sc->tssi_5ghz[4]; 4184 step = sc->step_5ghz; 4185 } 4186 4187 if (bbp49 < tssi[0]) { /* lower than reference */ 4188 /* use higher Tx power than default */ 4189 for (d = 0; d > -4 && bbp49 <= tssi[d - 1]; d--); 4190 } else if (bbp49 > tssi[0]) { /* greater than reference */ 4191 /* use lower Tx power than default */ 4192 for (d = 0; d < +4 && bbp49 >= tssi[d + 1]; d++); 4193 } else { 4194 /* use default Tx power */ 4195 d = 0; 4196 } 4197 d *= step; 4198 4199 DPRINTF(("BBP49=0x%02x, adjusting Tx power by %d\n", bbp49, d)); 4200 4201 /* write adjusted Tx power values for each Tx rate */ 4202 for (ridx = 0; ridx < 5; ridx++) { 4203 if (sc->txpow20mhz[ridx] == 0xffffffff) 4204 continue; 4205 RAL_WRITE(sc, RT2860_TX_PWR_CFG(ridx), 4206 b4inc(sc->txpow20mhz[ridx], d)); 4207 } 4208 } 4209 #endif 4210 4211 static void 4212 rt3090_set_rx_antenna(struct rt2860_softc *sc, int aux) 4213 { 4214 uint32_t tmp; 4215 4216 if (aux) { 4217 if (sc->mac_ver == 0x5390) { 4218 rt2860_mcu_bbp_write(sc, 152, 4219 rt2860_mcu_bbp_read(sc, 152) & ~0x80); 4220 } else { 4221 tmp = RAL_READ(sc, RT2860_PCI_EECTRL); 4222 RAL_WRITE(sc, RT2860_PCI_EECTRL, tmp & ~RT2860_C); 4223 tmp = RAL_READ(sc, RT2860_GPIO_CTRL); 4224 RAL_WRITE(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08); 4225 } 4226 } else { 4227 if (sc->mac_ver == 0x5390) { 4228 rt2860_mcu_bbp_write(sc, 152, 4229 rt2860_mcu_bbp_read(sc, 152) | 0x80); 4230 } else { 4231 tmp = RAL_READ(sc, RT2860_PCI_EECTRL); 4232 RAL_WRITE(sc, RT2860_PCI_EECTRL, tmp | RT2860_C); 4233 tmp = RAL_READ(sc, RT2860_GPIO_CTRL); 4234 RAL_WRITE(sc, RT2860_GPIO_CTRL, tmp & ~0x0808); 4235 } 4236 } 4237 } 4238 4239 static void 4240 rt2860_switch_chan(struct rt2860_softc *sc, struct ieee80211_channel *c) 4241 { 4242 struct ieee80211com *ic = &sc->sc_ic; 4243 u_int chan, group; 4244 4245 chan = ieee80211_chan2ieee(ic, c); 4246 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 4247 return; 4248 4249 if (sc->mac_ver >= 0x5390) 4250 rt5390_set_chan(sc, chan); 4251 else if (sc->mac_ver >= 0x3071) 4252 rt3090_set_chan(sc, chan); 4253 else 4254 rt2860_set_chan(sc, chan); 4255 4256 /* determine channel group */ 4257 if (chan <= 14) 4258 group = 0; 4259 else if (chan <= 64) 4260 group = 1; 4261 else if (chan <= 128) 4262 group = 2; 4263 else 4264 group = 3; 4265 4266 /* XXX necessary only when group has changed! */ 4267 if (sc->mac_ver < 0x5390) 4268 rt2860_select_chan_group(sc, group); 4269 4270 DELAY(1000); 4271 } 4272 4273 static int 4274 rt2860_setup_beacon(struct rt2860_softc *sc, struct ieee80211vap *vap) 4275 { 4276 struct ieee80211com *ic = vap->iv_ic; 4277 struct rt2860_txwi txwi; 4278 struct mbuf *m; 4279 int ridx; 4280 4281 if ((m = ieee80211_beacon_alloc(vap->iv_bss)) == NULL) 4282 return ENOBUFS; 4283 4284 memset(&txwi, 0, sizeof txwi); 4285 txwi.wcid = 0xff; 4286 txwi.len = htole16(m->m_pkthdr.len); 4287 /* send beacons at the lowest available rate */ 4288 ridx = IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan) ? 4289 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 4290 txwi.phy = htole16(rt2860_rates[ridx].mcs); 4291 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM) 4292 txwi.phy |= htole16(RT2860_PHY_OFDM); 4293 txwi.txop = RT2860_TX_TXOP_HT; 4294 txwi.flags = RT2860_TX_TS; 4295 txwi.xflags = RT2860_TX_NSEQ; 4296 4297 RAL_WRITE_REGION_1(sc, RT2860_BCN_BASE(0), 4298 (uint8_t *)&txwi, sizeof txwi); 4299 RAL_WRITE_REGION_1(sc, RT2860_BCN_BASE(0) + sizeof txwi, 4300 mtod(m, uint8_t *), m->m_pkthdr.len); 4301 4302 m_freem(m); 4303 4304 return 0; 4305 } 4306 4307 static void 4308 rt2860_enable_tsf_sync(struct rt2860_softc *sc) 4309 { 4310 struct ieee80211com *ic = &sc->sc_ic; 4311 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4312 uint32_t tmp; 4313 4314 tmp = RAL_READ(sc, RT2860_BCN_TIME_CFG); 4315 4316 tmp &= ~0x1fffff; 4317 tmp |= vap->iv_bss->ni_intval * 16; 4318 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN; 4319 if (vap->iv_opmode == IEEE80211_M_STA) { 4320 /* 4321 * Local TSF is always updated with remote TSF on beacon 4322 * reception. 4323 */ 4324 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT; 4325 } 4326 else if (vap->iv_opmode == IEEE80211_M_IBSS || 4327 vap->iv_opmode == IEEE80211_M_MBSS) { 4328 tmp |= RT2860_BCN_TX_EN; 4329 /* 4330 * Local TSF is updated with remote TSF on beacon reception 4331 * only if the remote TSF is greater than local TSF. 4332 */ 4333 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT; 4334 } else if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 4335 tmp |= RT2860_BCN_TX_EN; 4336 /* SYNC with nobody */ 4337 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT; 4338 } 4339 4340 RAL_WRITE(sc, RT2860_BCN_TIME_CFG, tmp); 4341 }
Cache object: e984f8ae341f697635d1c1e7fb8d270c
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