1 /* 2 * Copyright (c) 2012, 2013 Adrian Chadd <adrian@FreeBSD.org>. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include "opt_ah.h" 18 19 #include "ah.h" 20 #include "ah_internal.h" 21 #include "ah_devid.h" 22 #include "ah_desc.h" 23 24 #include "ar9300.h" 25 #include "ar9300reg.h" 26 #include "ar9300phy.h" 27 #include "ar9300desc.h" 28 29 #include "ar9300_freebsd.h" 30 31 #include "ar9300_stub.h" 32 #include "ar9300_stub_funcs.h" 33 34 #define FIX_NOISE_FLOOR 1 35 #define NEXT_TBTT_NOW 5 36 static HAL_BOOL ar9300ClrMulticastFilterIndex(struct ath_hal *ah, uint32_t ix); 37 static HAL_BOOL ar9300SetMulticastFilterIndex(struct ath_hal *ah, uint32_t ix); 38 39 static void ar9300_beacon_set_beacon_timers(struct ath_hal *ah, 40 const HAL_BEACON_TIMERS *bt); 41 42 static void 43 ar9300SetChainMasks(struct ath_hal *ah, uint32_t tx_chainmask, 44 uint32_t rx_chainmask) 45 { 46 47 AH9300(ah)->ah_tx_chainmask = 48 tx_chainmask & AH_PRIVATE(ah)->ah_caps.halTxChainMask; 49 AH9300(ah)->ah_rx_chainmask = 50 rx_chainmask & AH_PRIVATE(ah)->ah_caps.halRxChainMask; 51 } 52 53 static u_int 54 ar9300GetSlotTime(struct ath_hal *ah) 55 { 56 u_int clks = OS_REG_READ(ah, AR_D_GBL_IFS_SLOT) & 0xffff; 57 return (ath_hal_mac_usec(ah, clks)); /* convert from system clocks */ 58 } 59 60 static HAL_BOOL 61 ar9300_freebsd_set_tx_power_limit(struct ath_hal *ah, uint32_t limit) 62 { 63 return (ar9300_set_tx_power_limit(ah, limit, 0, 0)); 64 } 65 66 static uint64_t 67 ar9300_get_next_tbtt(struct ath_hal *ah) 68 { 69 return (OS_REG_READ(ah, AR_NEXT_TBTT_TIMER)); 70 } 71 72 73 /* 74 * TODO: implement the antenna diversity control for AR9485 and 75 * other LNA mixing based NICs. 76 * 77 * For now we'll just go with the HAL default and make these no-ops. 78 */ 79 static HAL_ANT_SETTING 80 ar9300_freebsd_get_antenna_switch(struct ath_hal *ah) 81 { 82 83 return (HAL_ANT_VARIABLE); 84 } 85 86 static HAL_BOOL 87 ar9300_freebsd_set_antenna_switch(struct ath_hal *ah, HAL_ANT_SETTING setting) 88 { 89 90 return (AH_TRUE); 91 } 92 93 static u_int 94 ar9300_freebsd_get_cts_timeout(struct ath_hal *ah) 95 { 96 u_int clks = MS(OS_REG_READ(ah, AR_TIME_OUT), AR_TIME_OUT_CTS); 97 return ath_hal_mac_usec(ah, clks); /* convert from system clocks */ 98 } 99 100 static void 101 ar9300_freebsd_set_tsf64(struct ath_hal *ah, uint64_t tsf64) 102 { 103 104 /* 105 * XXX TODO: read ar5416SetTsf64() - we should wait before we do 106 * this. 107 */ 108 OS_REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff); 109 OS_REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff); 110 } 111 112 /* Flags for pulse_bw_info */ 113 #define PRI_CH_RADAR_FOUND 0x01 114 #define EXT_CH_RADAR_FOUND 0x02 115 #define EXT_CH_RADAR_EARLY_FOUND 0x04 116 117 static HAL_BOOL 118 ar9300_freebsd_proc_radar_event(struct ath_hal *ah, struct ath_rx_status *rxs, 119 uint64_t fulltsf, const char *buf, HAL_DFS_EVENT *event) 120 { 121 HAL_BOOL doDfsExtCh; 122 HAL_BOOL doDfsEnhanced; 123 HAL_BOOL doDfsCombinedRssi; 124 125 uint8_t rssi = 0, ext_rssi = 0; 126 uint8_t pulse_bw_info = 0, pulse_length_ext = 0, pulse_length_pri = 0; 127 uint32_t dur = 0; 128 int pri_found = 1, ext_found = 0; 129 int early_ext = 0; 130 int is_dc = 0; 131 uint16_t datalen; /* length from the RX status field */ 132 133 /* Check whether the given phy error is a radar event */ 134 if ((rxs->rs_phyerr != HAL_PHYERR_RADAR) && 135 (rxs->rs_phyerr != HAL_PHYERR_FALSE_RADAR_EXT)) { 136 return AH_FALSE; 137 } 138 139 /* Grab copies of the capabilities; just to make the code clearer */ 140 doDfsExtCh = AH_PRIVATE(ah)->ah_caps.halExtChanDfsSupport; 141 doDfsEnhanced = AH_PRIVATE(ah)->ah_caps.halEnhancedDfsSupport; 142 doDfsCombinedRssi = AH_PRIVATE(ah)->ah_caps.halUseCombinedRadarRssi; 143 144 datalen = rxs->rs_datalen; 145 146 /* If hardware supports it, use combined RSSI, else use chain 0 RSSI */ 147 if (doDfsCombinedRssi) 148 rssi = (uint8_t) rxs->rs_rssi; 149 else 150 rssi = (uint8_t) rxs->rs_rssi_ctl[0]; 151 152 /* Set this; but only use it if doDfsExtCh is set */ 153 ext_rssi = (uint8_t) rxs->rs_rssi_ext[0]; 154 155 /* Cap it at 0 if the RSSI is a negative number */ 156 if (rssi & 0x80) 157 rssi = 0; 158 159 if (ext_rssi & 0x80) 160 ext_rssi = 0; 161 162 /* 163 * Fetch the relevant data from the frame 164 */ 165 if (doDfsExtCh) { 166 if (datalen < 3) 167 return AH_FALSE; 168 169 /* Last three bytes of the frame are of interest */ 170 pulse_length_pri = *(buf + datalen - 3); 171 pulse_length_ext = *(buf + datalen - 2); 172 pulse_bw_info = *(buf + datalen - 1); 173 HALDEBUG(ah, HAL_DEBUG_DFS, "%s: rssi=%d, ext_rssi=%d, pulse_length_pri=%d," 174 " pulse_length_ext=%d, pulse_bw_info=%x\n", 175 __func__, rssi, ext_rssi, pulse_length_pri, pulse_length_ext, 176 pulse_bw_info); 177 } else { 178 /* The pulse width is byte 0 of the data */ 179 if (datalen >= 1) 180 dur = ((uint8_t) buf[0]) & 0xff; 181 else 182 dur = 0; 183 184 if (dur == 0 && rssi == 0) { 185 HALDEBUG(ah, HAL_DEBUG_DFS, "%s: dur and rssi are 0\n", __func__); 186 return AH_FALSE; 187 } 188 189 HALDEBUG(ah, HAL_DEBUG_DFS, "%s: rssi=%d, dur=%d\n", __func__, rssi, dur); 190 191 /* Single-channel only */ 192 pri_found = 1; 193 ext_found = 0; 194 } 195 196 /* 197 * If doing extended channel data, pulse_bw_info must 198 * have one of the flags set. 199 */ 200 if (doDfsExtCh && pulse_bw_info == 0x0) 201 return AH_FALSE; 202 203 /* 204 * If the extended channel data is available, calculate 205 * which to pay attention to. 206 */ 207 if (doDfsExtCh) { 208 /* If pulse is on DC, take the larger duration of the two */ 209 if ((pulse_bw_info & EXT_CH_RADAR_FOUND) && 210 (pulse_bw_info & PRI_CH_RADAR_FOUND)) { 211 is_dc = 1; 212 if (pulse_length_ext > pulse_length_pri) { 213 dur = pulse_length_ext; 214 pri_found = 0; 215 ext_found = 1; 216 } else { 217 dur = pulse_length_pri; 218 pri_found = 1; 219 ext_found = 0; 220 } 221 } else if (pulse_bw_info & EXT_CH_RADAR_EARLY_FOUND) { 222 dur = pulse_length_ext; 223 pri_found = 0; 224 ext_found = 1; 225 early_ext = 1; 226 } else if (pulse_bw_info & PRI_CH_RADAR_FOUND) { 227 dur = pulse_length_pri; 228 pri_found = 1; 229 ext_found = 0; 230 } else if (pulse_bw_info & EXT_CH_RADAR_FOUND) { 231 dur = pulse_length_ext; 232 pri_found = 0; 233 ext_found = 1; 234 } 235 236 } 237 238 /* 239 * For enhanced DFS (Merlin and later), pulse_bw_info has 240 * implications for selecting the correct RSSI value. 241 */ 242 if (doDfsEnhanced) { 243 switch (pulse_bw_info & 0x03) { 244 case 0: 245 /* No radar? */ 246 rssi = 0; 247 break; 248 case PRI_CH_RADAR_FOUND: 249 /* Radar in primary channel */ 250 /* Cannot use ctrl channel RSSI if ext channel is stronger */ 251 if (ext_rssi >= (rssi + 3)) { 252 rssi = 0; 253 } 254 break; 255 case EXT_CH_RADAR_FOUND: 256 /* Radar in extended channel */ 257 /* Cannot use ext channel RSSI if ctrl channel is stronger */ 258 if (rssi >= (ext_rssi + 12)) { 259 rssi = 0; 260 } else { 261 rssi = ext_rssi; 262 } 263 break; 264 case (PRI_CH_RADAR_FOUND | EXT_CH_RADAR_FOUND): 265 /* When both are present, use stronger one */ 266 if (rssi < ext_rssi) 267 rssi = ext_rssi; 268 break; 269 } 270 } 271 272 /* 273 * If not doing enhanced DFS, choose the ext channel if 274 * it is stronger than the main channel 275 */ 276 if (doDfsExtCh && !doDfsEnhanced) { 277 if ((ext_rssi > rssi) && (ext_rssi < 128)) 278 rssi = ext_rssi; 279 } 280 281 /* 282 * XXX what happens if the above code decides the RSSI 283 * XXX wasn't valid, an sets it to 0? 284 */ 285 286 /* 287 * Fill out dfs_event structure. 288 */ 289 event->re_full_ts = fulltsf; 290 event->re_ts = rxs->rs_tstamp; 291 event->re_rssi = rssi; 292 event->re_dur = dur; 293 294 event->re_flags = 0; 295 if (pri_found) 296 event->re_flags |= HAL_DFS_EVENT_PRICH; 297 if (ext_found) 298 event->re_flags |= HAL_DFS_EVENT_EXTCH; 299 if (early_ext) 300 event->re_flags |= HAL_DFS_EVENT_EXTEARLY; 301 if (is_dc) 302 event->re_flags |= HAL_DFS_EVENT_ISDC; 303 304 return AH_TRUE; 305 } 306 307 void 308 ar9300_attach_freebsd_ops(struct ath_hal *ah) 309 { 310 311 /* Global functions */ 312 ah->ah_detach = ar9300_detach; 313 ah->ah_getRateTable = ar9300_get_rate_table; 314 315 /* Reset functions */ 316 ah->ah_reset = ar9300_reset_freebsd; 317 ah->ah_phyDisable = ar9300_phy_disable; 318 ah->ah_disable = ar9300_disable; 319 ah->ah_configPCIE = ar9300_config_pcie_freebsd; 320 // ah->ah_disablePCIE = ar9300_disable_pcie_phy; 321 ah->ah_setPCUConfig = ar9300_set_pcu_config; 322 // perCalibration 323 ah->ah_perCalibrationN = ar9300_per_calibration_freebsd; 324 ah->ah_resetCalValid = ar9300_reset_cal_valid_freebsd; 325 ah->ah_setTxPowerLimit = ar9300_freebsd_set_tx_power_limit; 326 ah->ah_getChanNoise = ath_hal_getChanNoise; 327 328 /* Transmit functions */ 329 ah->ah_setupTxQueue = ar9300_setup_tx_queue; 330 ah->ah_setTxQueueProps = ar9300_set_tx_queue_props; 331 ah->ah_getTxQueueProps = ar9300_get_tx_queue_props; 332 ah->ah_releaseTxQueue = ar9300_release_tx_queue; 333 ah->ah_resetTxQueue = ar9300_reset_tx_queue; 334 ah->ah_getTxDP = ar9300_get_tx_dp; 335 ah->ah_setTxDP = ar9300_set_tx_dp; 336 ah->ah_numTxPending = ar9300_num_tx_pending; 337 ah->ah_startTxDma = ar9300_start_tx_dma; 338 ah->ah_stopTxDma = ar9300_stop_tx_dma_freebsd; 339 ah->ah_setupTxDesc = ar9300_freebsd_setup_tx_desc; 340 ah->ah_setupXTxDesc = ar9300_freebsd_setup_x_tx_desc; 341 ah->ah_fillTxDesc = ar9300_freebsd_fill_tx_desc; 342 ah->ah_procTxDesc = ar9300_freebsd_proc_tx_desc; 343 ah->ah_getTxIntrQueue = ar9300_get_tx_intr_queue; 344 // reqTxIntrDesc 345 ah->ah_getTxCompletionRates = ar9300_freebsd_get_tx_completion_rates; 346 ah->ah_setTxDescLink = ar9300_set_desc_link; 347 ah->ah_getTxDescLink = ar9300_freebsd_get_desc_link; 348 ah->ah_getTxDescLinkPtr = ar9300_get_desc_link_ptr; 349 ah->ah_setupTxStatusRing = ar9300_setup_tx_status_ring; 350 ah->ah_getTxRawTxDesc = ar9300_get_raw_tx_desc; 351 ah->ah_updateTxTrigLevel = ar9300_update_tx_trig_level; 352 353 /* RX functions */ 354 ah->ah_getRxDP = ar9300_get_rx_dp; 355 ah->ah_setRxDP = ar9300_set_rx_dp; 356 ah->ah_enableReceive = ar9300_enable_receive; 357 ah->ah_stopDmaReceive = ar9300_stop_dma_receive_freebsd; 358 ah->ah_startPcuReceive = ar9300_start_pcu_receive; 359 ah->ah_stopPcuReceive = ar9300_stop_pcu_receive; 360 ah->ah_setMulticastFilter = ar9300_set_multicast_filter; 361 ah->ah_setMulticastFilterIndex = ar9300SetMulticastFilterIndex; 362 ah->ah_clrMulticastFilterIndex = ar9300ClrMulticastFilterIndex; 363 ah->ah_getRxFilter = ar9300_get_rx_filter; 364 ah->ah_setRxFilter = ar9300_set_rx_filter; 365 /* setupRxDesc */ 366 ah->ah_procRxDesc = ar9300_proc_rx_desc_freebsd; 367 ah->ah_rxMonitor = ar9300_ani_rxmonitor_freebsd; 368 ah->ah_aniPoll = ar9300_ani_poll_freebsd; 369 ah->ah_procMibEvent = ar9300_process_mib_intr; 370 371 /* Misc functions */ 372 ah->ah_getCapability = ar9300_get_capability; 373 ah->ah_setCapability = ar9300_set_capability; 374 ah->ah_getDiagState = ar9300_get_diag_state; 375 ah->ah_getMacAddress = ar9300_get_mac_address; 376 ah->ah_setMacAddress = ar9300_set_mac_address; 377 ah->ah_getBssIdMask = ar9300_get_bss_id_mask; 378 ah->ah_setBssIdMask = ar9300_set_bss_id_mask; 379 ah->ah_setRegulatoryDomain = ar9300_set_regulatory_domain; 380 ah->ah_setLedState = ar9300_set_led_state; 381 ah->ah_writeAssocid = ar9300_write_associd; 382 ah->ah_gpioCfgInput = ar9300_gpio_cfg_input; 383 ah->ah_gpioCfgOutput = ar9300_gpio_cfg_output; 384 ah->ah_gpioGet = ar9300_gpio_get; 385 ah->ah_gpioSet = ar9300_gpio_set; 386 ah->ah_gpioSetIntr = ar9300_gpio_set_intr; 387 /* polarity */ 388 /* mask */ 389 ah->ah_getTsf32 = ar9300_get_tsf32; 390 ah->ah_getTsf64 = ar9300_get_tsf64; 391 ah->ah_resetTsf = ar9300_reset_tsf; 392 ah->ah_setTsf64 = ar9300_freebsd_set_tsf64; 393 ah->ah_detectCardPresent = ar9300_detect_card_present; 394 // ah->ah_updateMibCounters = ar9300_update_mib_counters; 395 ah->ah_getRfGain = ar9300_get_rfgain; 396 ah->ah_getDefAntenna = ar9300_get_def_antenna; 397 ah->ah_setDefAntenna = ar9300_set_def_antenna; 398 ah->ah_getAntennaSwitch = ar9300_freebsd_get_antenna_switch; 399 ah->ah_setAntennaSwitch = ar9300_freebsd_set_antenna_switch; 400 // ah->ah_setSifsTime = ar9300_set_sifs_time; 401 // ah->ah_getSifsTime = ar9300_get_sifs_time; 402 ah->ah_setSlotTime = ar9300_set_slot_time; 403 ah->ah_getSlotTime = ar9300GetSlotTime; 404 ah->ah_getAckTimeout = ar9300_get_ack_timeout; 405 ah->ah_setAckTimeout = ar9300_set_ack_timeout; 406 // XXX ack/ctsrate 407 // XXX CTS timeout 408 ah->ah_getCTSTimeout = ar9300_freebsd_get_cts_timeout; 409 // XXX decompmask 410 // coverageclass 411 ah->ah_setQuiet = ar9300_set_quiet; 412 ah->ah_getMibCycleCounts = ar9300_freebsd_get_mib_cycle_counts; 413 414 /* DFS functions */ 415 ah->ah_enableDfs = ar9300_enable_dfs; 416 ah->ah_getDfsThresh = ar9300_get_dfs_thresh; 417 ah->ah_getDfsDefaultThresh = ar9300_get_default_dfs_thresh; 418 ah->ah_procRadarEvent = ar9300_freebsd_proc_radar_event; 419 ah->ah_isFastClockEnabled = ar9300_is_fast_clock_enabled; 420 ah->ah_get11nExtBusy = ar9300_get_11n_ext_busy; 421 ah->ah_setDfsCacTxQuiet = ar9300_cac_tx_quiet; 422 423 /* Spectral Scan Functions */ 424 ah->ah_spectralConfigure = ar9300_configure_spectral_scan; 425 ah->ah_spectralGetConfig = ar9300_get_spectral_params; 426 ah->ah_spectralStart = ar9300_start_spectral_scan; 427 ah->ah_spectralStop = ar9300_stop_spectral_scan; 428 ah->ah_spectralIsEnabled = ar9300_is_spectral_enabled; 429 ah->ah_spectralIsActive = ar9300_is_spectral_active; 430 431 /* Key cache functions */ 432 ah->ah_getKeyCacheSize = ar9300_get_key_cache_size; 433 ah->ah_resetKeyCacheEntry = ar9300_reset_key_cache_entry; 434 ah->ah_isKeyCacheEntryValid = ar9300_is_key_cache_entry_valid; 435 ah->ah_setKeyCacheEntry = ar9300_set_key_cache_entry; 436 ah->ah_setKeyCacheEntryMac = ar9300_set_key_cache_entry_mac; 437 438 /* Power management functions */ 439 ah->ah_setPowerMode = ar9300_set_power_mode; 440 ah->ah_getPowerMode = ar9300_get_power_mode; 441 442 /* Beacon functions */ 443 /* ah_setBeaconTimers */ 444 ah->ah_beaconInit = ar9300_freebsd_beacon_init; 445 ah->ah_setBeaconTimers = ar9300_beacon_set_beacon_timers; 446 ah->ah_setStationBeaconTimers = ar9300_set_sta_beacon_timers; 447 /* ah_resetStationBeaconTimers */ 448 ah->ah_getNextTBTT = ar9300_get_next_tbtt; 449 450 /* Interrupt functions */ 451 ah->ah_isInterruptPending = ar9300_is_interrupt_pending; 452 ah->ah_getPendingInterrupts = ar9300_get_pending_interrupts_freebsd; 453 ah->ah_getInterrupts = ar9300_get_interrupts; 454 ah->ah_setInterrupts = ar9300_set_interrupts_freebsd; 455 456 /* Regulatory/internal functions */ 457 // AH_PRIVATE(ah)->ah_getNfAdjust = ar9300_get_nf_adjust; 458 AH_PRIVATE(ah)->ah_eepromRead = ar9300_eeprom_read_word; 459 // AH_PRIVATE(ah)->ah_getChipPowerLimits = ar9300_get_chip_power_limits; 460 AH_PRIVATE(ah)->ah_getWirelessModes = ar9300_get_wireless_modes; 461 AH_PRIVATE(ah)->ah_getChannelEdges = ar9300_get_channel_edges; 462 463 AH_PRIVATE(ah)->ah_eepromRead = ar9300_eeprom_read_word; 464 /* XXX ah_eeprom */ 465 /* XXX ah_eeversion */ 466 /* XXX ah_eepromDetach */ 467 /* XXX ah_eepromGet */ 468 AH_PRIVATE(ah)->ah_eepromGet = ar9300_eeprom_get_freebsd; 469 /* XXX ah_eepromSet */ 470 /* XXX ah_getSpurChan */ 471 /* XXX ah_eepromDiag */ 472 473 /* 802.11n functions */ 474 ah->ah_chainTxDesc = ar9300_freebsd_chain_tx_desc; 475 ah->ah_setupFirstTxDesc= ar9300_freebsd_setup_first_tx_desc; 476 ah->ah_setupLastTxDesc = ar9300_freebsd_setup_last_tx_desc; 477 ah->ah_set11nRateScenario = ar9300_freebsd_set_11n_rate_scenario; 478 ah->ah_set11nTxDesc = ar9300_freebsd_setup_11n_desc; 479 ah->ah_set11nAggrFirst = ar9300_set_11n_aggr_first; 480 ah->ah_set11nAggrMiddle = ar9300_set_11n_aggr_middle; 481 ah->ah_set11nAggrLast = ar9300_set_11n_aggr_last; 482 ah->ah_clr11nAggr = ar9300_clr_11n_aggr; 483 ah->ah_set11nBurstDuration = ar9300_set_11n_burst_duration; 484 /* ah_get11nExtBusy */ 485 ah->ah_set11nMac2040 = ar9300_set_11n_mac2040; 486 ah->ah_setChainMasks = ar9300SetChainMasks; 487 /* ah_get11nRxClear */ 488 /* ah_set11nRxClear */ 489 490 /* bluetooth coexistence functions */ 491 ah->ah_btCoexSetInfo = ar9300_set_bt_coex_info; 492 ah->ah_btCoexSetConfig = ar9300_bt_coex_config; 493 ah->ah_btCoexSetQcuThresh = ar9300_bt_coex_set_qcu_thresh; 494 ah->ah_btCoexSetWeights = ar9300_bt_coex_set_weights; 495 ah->ah_btCoexSetBmissThresh = ar9300_bt_coex_setup_bmiss_thresh; 496 ah->ah_btCoexSetParameter = ar9300_bt_coex_set_parameter; 497 ah->ah_btCoexDisable = ar9300_bt_coex_disable; 498 ah->ah_btCoexEnable = ar9300_bt_coex_enable; 499 500 /* MCI bluetooth functions */ 501 if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) { 502 /* 503 * Note: these are done in attach too for now, because 504 * at this point we haven't yet setup the mac/bb revision 505 * values, so this code is effectively NULL. 506 * However, I'm leaving this here so people digging 507 * into the code (a) see the MCI bits here, and (b) 508 * are now told they should look elsewhere for 509 * these methods. 510 */ 511 ah->ah_btCoexSetWeights = ar9300_mci_bt_coex_set_weights; 512 ah->ah_btCoexDisable = ar9300_mci_bt_coex_disable; 513 ah->ah_btCoexEnable = ar9300_mci_bt_coex_enable; 514 } 515 ah->ah_btMciSetup = ar9300_mci_setup; 516 ah->ah_btMciSendMessage = ar9300_mci_send_message; 517 ah->ah_btMciGetInterrupt = ar9300_mci_get_interrupt; 518 ah->ah_btMciState = ar9300_mci_state; 519 ah->ah_btMciDetach = ar9300_mci_detach; 520 521 /* LNA diversity functions */ 522 ah->ah_divLnaConfGet = ar9300_ant_div_comb_get_config; 523 ah->ah_divLnaConfSet = ar9300_ant_div_comb_set_config; 524 } 525 526 HAL_BOOL 527 ar9300_reset_freebsd(struct ath_hal *ah, HAL_OPMODE opmode, 528 struct ieee80211_channel *chan, HAL_BOOL bChannelChange, 529 HAL_RESET_TYPE resetType, 530 HAL_STATUS *status) 531 { 532 HAL_BOOL r; 533 HAL_HT_MACMODE macmode; 534 struct ath_hal_private *ap = AH_PRIVATE(ah); 535 536 macmode = 537 IEEE80211_IS_CHAN_HT40(chan) ? 538 HAL_HT_MACMODE_2040 : HAL_HT_MACMODE_20; 539 540 r = ar9300_reset(ah, opmode, chan, macmode, 541 ap->ah_caps.halTxChainMask, 542 ap->ah_caps.halRxChainMask, 543 HAL_HT_EXTPROTSPACING_20, /* always 20Mhz channel spacing */ 544 bChannelChange, 545 status, 546 AH_FALSE); /* XXX should really extend ath_hal_reset() */ 547 548 return (r); 549 } 550 551 void 552 ar9300_config_pcie_freebsd(struct ath_hal *ah, HAL_BOOL restore, 553 HAL_BOOL powerOff) 554 { 555 556 ar9300_config_pci_power_save(ah, restore ? 1 : 0, powerOff ? 1 : 0); 557 } 558 559 /* 560 * This is a copy from ar9300_eeprom_get(), purely because the FreeBSD 561 * API is very silly and inconsistent. 562 * 563 * The AR93xx HAL doesn't call the eepromGetFlag() function, so this 564 * only occurs for FreeBSD code. 565 * 566 * When I fix this particular API, I'll undo this. 567 */ 568 HAL_STATUS 569 ar9300_eeprom_get_freebsd(struct ath_hal *ah, int param, void *val) 570 { 571 572 switch (param) { 573 case AR_EEP_FSTCLK_5G: 574 return HAL_OK; 575 default: 576 ath_hal_printf(ah, "%s: called, param=%d\n", 577 __func__, param); 578 return HAL_EIO; 579 } 580 } 581 582 HAL_BOOL 583 ar9300_stop_tx_dma_freebsd(struct ath_hal *ah, u_int q) 584 { 585 586 return ar9300_stop_tx_dma(ah, q, 1000); 587 } 588 589 void 590 ar9300_ani_poll_freebsd(struct ath_hal *ah, 591 const struct ieee80211_channel *chan) 592 { 593 594 HAL_NODE_STATS stats; 595 HAL_ANISTATS anistats; 596 HAL_SURVEY_SAMPLE survey; 597 598 OS_MEMZERO(&stats, sizeof(stats)); 599 OS_MEMZERO(&anistats, sizeof(anistats)); 600 OS_MEMZERO(&survey, sizeof(survey)); 601 602 ar9300_ani_ar_poll(ah, &stats, chan, &anistats); 603 604 /* 605 * If ANI stats are valid, use them to update the 606 * channel survey. 607 */ 608 if (anistats.valid) { 609 survey.cycle_count = anistats.cyclecnt_diff; 610 survey.chan_busy = anistats.rxclr_cnt; 611 survey.ext_chan_busy = anistats.extrxclr_cnt; 612 survey.tx_busy = anistats.txframecnt_diff; 613 survey.rx_busy = anistats.rxframecnt_diff; 614 ath_hal_survey_add_sample(ah, &survey); 615 } 616 } 617 618 /* 619 * Setup the configuration parameters in the style the AR9300 HAL 620 * wants. 621 */ 622 void 623 ar9300_config_defaults_freebsd(struct ath_hal *ah, HAL_OPS_CONFIG *ah_config) 624 { 625 626 /* Until FreeBSD's HAL does this by default - just copy */ 627 OS_MEMCPY(&ah->ah_config, ah_config, sizeof(HAL_OPS_CONFIG)); 628 ah->ah_config.ath_hal_enable_ani = AH_TRUE; 629 } 630 631 HAL_BOOL 632 ar9300_stop_dma_receive_freebsd(struct ath_hal *ah) 633 { 634 635 return ar9300_stop_dma_receive(ah, 1000); 636 } 637 638 HAL_BOOL 639 ar9300_get_pending_interrupts_freebsd(struct ath_hal *ah, HAL_INT *masked) 640 { 641 642 /* Non-MSI, so no MSI vector; and 'nortc' = 0 */ 643 return ar9300_get_pending_interrupts(ah, masked, HAL_INT_LINE, 0, 0); 644 } 645 646 HAL_INT 647 ar9300_set_interrupts_freebsd(struct ath_hal *ah, HAL_INT ints) 648 { 649 650 /* nortc = 0 */ 651 return ar9300_set_interrupts(ah, ints, 0); 652 } 653 654 HAL_BOOL 655 ar9300_per_calibration_freebsd(struct ath_hal *ah, 656 struct ieee80211_channel *chan, u_int rxchainmask, HAL_BOOL long_cal, 657 HAL_BOOL *isCalDone) 658 { 659 /* XXX fake scheduled calibrations for now */ 660 u_int32_t sched_cals = 0xfffffff; 661 662 return ar9300_calibration(ah, chan, 663 AH_PRIVATE(ah)->ah_caps.halRxChainMask, 664 long_cal, 665 isCalDone, 666 0, /* is_scan */ 667 &sched_cals); 668 } 669 670 HAL_BOOL 671 ar9300_reset_cal_valid_freebsd(struct ath_hal *ah, 672 const struct ieee80211_channel *chan) 673 { 674 675 HAL_BOOL is_cal_done = AH_TRUE; 676 677 ar9300_reset_cal_valid(ah, chan, &is_cal_done, 0xffffffff); 678 return (is_cal_done); 679 } 680 681 682 /* 683 * FreeBSD will just pass in the descriptor value as 'pa'. 684 * The Atheros HAL treats 'pa' as the physical address of the RX 685 * descriptor and 'bufaddr' as the physical address of the RX buffer. 686 * I'm not sure why they didn't collapse them - the AR9300 RX descriptor 687 * routine doesn't check 'pa'. 688 */ 689 HAL_STATUS 690 ar9300_proc_rx_desc_freebsd(struct ath_hal *ah, struct ath_desc *ds, 691 uint32_t pa, struct ath_desc *ds_next, uint64_t tsf, 692 struct ath_rx_status *rxs) 693 { 694 695 return (ar9300_proc_rx_desc_fast(ah, ds, 0, ds_next, rxs, 696 (void *) ds)); 697 } 698 699 /* 700 * This is the primary way the ANI code gets the node statistics per packet. 701 */ 702 void 703 ar9300_ani_rxmonitor_freebsd(struct ath_hal *ah, const HAL_NODE_STATS *stats, 704 const struct ieee80211_channel *chan) 705 { 706 struct ath_hal_9300 *ahp = AH9300(ah); 707 708 ahp->ah_stats.ast_nodestats.ns_avgbrssi = stats->ns_avgbrssi; 709 } 710 711 void 712 ar9300_freebsd_get_desc_link(struct ath_hal *ah, void *ds, uint32_t *link) 713 { 714 struct ar9300_txc *ads = AR9300TXC(ds); 715 716 (*link) = ads->ds_link; 717 } 718 719 /* 720 * TX descriptor field setting wrappers - eek. 721 */ 722 723 724 HAL_BOOL 725 ar9300_freebsd_setup_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 726 u_int pktLen, u_int hdrLen, HAL_PKT_TYPE type, u_int txPower, 727 u_int txRate0, u_int txTries0, u_int keyIx, u_int antMode, u_int flags, 728 u_int rtsctsRate, u_int rtsCtsDuration, u_int compicvLen, 729 u_int compivLen, u_int comp) 730 { 731 struct ath_hal_9300 *ahp = AH9300(ah); 732 733 HAL_KEY_TYPE keyType = 0; /* XXX No padding */ 734 735 if (keyIx != HAL_TXKEYIX_INVALID) 736 keyType = ahp->ah_keytype[keyIx]; 737 738 /* XXX bounds check keyix */ 739 ar9300_set_11n_tx_desc(ah, ds, pktLen, type, txPower, keyIx, 740 keyType, flags); 741 742 return AH_TRUE; 743 } 744 745 HAL_BOOL 746 ar9300_freebsd_setup_x_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 747 u_int txRate1, u_int txTries1, 748 u_int txRate2, u_int txTries2, 749 u_int txRate3, u_int txTries3) 750 { 751 752 #if 0 753 ath_hal_printf(ah, "%s: called, 0x%x/%d, 0x%x/%d, 0x%x/%d\n", 754 __func__, 755 txRate1, txTries1, 756 txRate2, txTries2, 757 txRate3, txTries3); 758 #endif 759 760 /* XXX should only be called during probe */ 761 return (AH_TRUE); 762 } 763 764 HAL_BOOL 765 ar9300_freebsd_fill_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 766 HAL_DMA_ADDR *bufListPtr, uint32_t *segLenPtr, u_int descId, u_int qid, 767 HAL_BOOL firstSeg, HAL_BOOL lastSeg, 768 const struct ath_desc *ds0) 769 { 770 HAL_KEY_TYPE keyType = 0; 771 const struct ar9300_txc *ads = AR9300TXC_CONST(ds0); 772 773 /* 774 * FreeBSD's HAL doesn't pass the keytype to fill_tx_desc(); 775 * it's copied as part of the descriptor chaining. 776 * 777 * So, extract it from ds0. 778 */ 779 keyType = MS(ads->ds_ctl17, AR_encr_type); 780 781 return ar9300_fill_tx_desc(ah, ds, bufListPtr, segLenPtr, descId, 782 qid, keyType, firstSeg, lastSeg, ds0); 783 } 784 785 HAL_BOOL 786 ar9300_freebsd_get_tx_completion_rates(struct ath_hal *ah, 787 const struct ath_desc *ds0, int *rates, int *tries) 788 { 789 790 ath_hal_printf(ah, "%s: called\n", __func__); 791 return AH_FALSE; /* XXX for now */ 792 } 793 794 795 /* 796 * 802.11n TX descriptor wrappers 797 */ 798 void 799 ar9300_freebsd_set_11n_rate_scenario(struct ath_hal *ah, struct ath_desc *ds, 800 u_int durUpdateEn, u_int rtsctsRate, HAL_11N_RATE_SERIES series[], 801 u_int nseries, u_int flags) 802 { 803 804 /* lastds=NULL, rtscts_duration is 0, smart antenna is 0 */ 805 ar9300_set_11n_rate_scenario(ah, (void *) ds, (void *)ds, durUpdateEn, 806 rtsctsRate, 0, series, nseries, flags, 0); 807 } 808 809 /* chaintxdesc */ 810 HAL_BOOL 811 ar9300_freebsd_chain_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 812 HAL_DMA_ADDR *bufLenList, uint32_t *segLenList, 813 u_int pktLen, u_int hdrLen, HAL_PKT_TYPE type, u_int keyIx, 814 HAL_CIPHER cipher, uint8_t numDelims, 815 HAL_BOOL firstSeg, HAL_BOOL lastSeg, HAL_BOOL lastAggr) 816 { 817 818 ath_hal_printf(ah, "%s: called\n", __func__); 819 return AH_FALSE; 820 } 821 822 /* setupfirsttxdesc */ 823 HAL_BOOL 824 ar9300_freebsd_setup_first_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 825 u_int aggrLen, u_int flags, u_int txPower, u_int txRate0, 826 u_int txTries0, u_int antMode, u_int rtsctsRate, u_int rtsctsDuration) 827 { 828 829 ath_hal_printf(ah, "%s: called\n", __func__); 830 return AH_FALSE; 831 } 832 833 /* setuplasttxdesc */ 834 /* 835 * This gets called but for now let's not log anything; 836 * it's only used to update the rate control information. 837 */ 838 HAL_BOOL 839 ar9300_freebsd_setup_last_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 840 const struct ath_desc *ds0) 841 { 842 843 // ath_hal_printf(ah, "%s: called\n", __func__); 844 return AH_FALSE; 845 } 846 847 void 848 ar9300_freebsd_setup_11n_desc(struct ath_hal *ah, void *ds, u_int pktLen, 849 HAL_PKT_TYPE type, u_int txPower, u_int keyIx, u_int flags) 850 { 851 ath_hal_printf(ah, "%s: called\n", __func__); 852 #if 0 853 struct ath_hal_9300 *ahp = AH9300(ah); 854 855 HAL_KEY_TYPE keyType = 0; /* XXX No padding */ 856 857 if (keyIx != HAL_TXKEYIX_INVALID) 858 keyType = ahp->ah_keytype[keyIx]; 859 860 /* XXX bounds check keyix */ 861 ar9300_set_11n_tx_desc(ah, ds, pktLen, type, txPower, keyIx, 862 keyType, flags); 863 #endif 864 } 865 866 HAL_STATUS 867 ar9300_freebsd_proc_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 868 struct ath_tx_status *ts) 869 { 870 871 return ar9300_proc_tx_desc(ah, ts); 872 } 873 874 void 875 ar9300_freebsd_beacon_init(struct ath_hal *ah, uint32_t next_beacon, 876 uint32_t beacon_period) 877 { 878 879 ar9300_beacon_init(ah, next_beacon, beacon_period, 0, 880 AH_PRIVATE(ah)->ah_opmode); 881 } 882 883 HAL_BOOL 884 ar9300_freebsd_get_mib_cycle_counts(struct ath_hal *ah, 885 HAL_SURVEY_SAMPLE *hs) 886 887 { 888 889 return (AH_FALSE); 890 } 891 892 /* 893 * Clear multicast filter by index - from FreeBSD ar5212_recv.c 894 */ 895 static HAL_BOOL 896 ar9300ClrMulticastFilterIndex(struct ath_hal *ah, uint32_t ix) 897 { 898 uint32_t val; 899 900 if (ix >= 64) 901 return (AH_FALSE); 902 if (ix >= 32) { 903 val = OS_REG_READ(ah, AR_MCAST_FIL1); 904 OS_REG_WRITE(ah, AR_MCAST_FIL1, (val &~ (1<<(ix-32)))); 905 } else { 906 val = OS_REG_READ(ah, AR_MCAST_FIL0); 907 OS_REG_WRITE(ah, AR_MCAST_FIL0, (val &~ (1<<ix))); 908 } 909 return AH_TRUE; 910 } 911 912 /* 913 * Set multicast filter by index - from FreeBSD ar5212_recv.c 914 */ 915 static HAL_BOOL 916 ar9300SetMulticastFilterIndex(struct ath_hal *ah, uint32_t ix) 917 { 918 uint32_t val; 919 920 if (ix >= 64) 921 return (AH_FALSE); 922 if (ix >= 32) { 923 val = OS_REG_READ(ah, AR_MCAST_FIL1); 924 OS_REG_WRITE(ah, AR_MCAST_FIL1, (val | (1<<(ix-32)))); 925 } else { 926 val = OS_REG_READ(ah, AR_MCAST_FIL0); 927 OS_REG_WRITE(ah, AR_MCAST_FIL0, (val | (1<<ix))); 928 } 929 return (AH_TRUE); 930 } 931 932 #define TU_TO_USEC(_tu) ((_tu) << 10) 933 #define ONE_EIGHTH_TU_TO_USEC(_tu8) ((_tu8) << 7) 934 935 /* 936 * Initializes all of the hardware registers used to 937 * send beacons. Note that for station operation the 938 * driver calls ar9300_set_sta_beacon_timers instead. 939 */ 940 static void 941 ar9300_beacon_set_beacon_timers(struct ath_hal *ah, 942 const HAL_BEACON_TIMERS *bt) 943 { 944 uint32_t bperiod; 945 946 #if 0 947 HALASSERT(opmode == HAL_M_IBSS || opmode == HAL_M_HOSTAP); 948 if (opmode == HAL_M_IBSS) { 949 OS_REG_SET_BIT(ah, AR_TXCFG, AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY); 950 } 951 #endif 952 953 /* XXX TODO: should migrate the HAL code to always use ONE_EIGHTH_TU */ 954 OS_REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bt->bt_nexttbtt)); 955 OS_REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, ONE_EIGHTH_TU_TO_USEC(bt->bt_nextdba)); 956 OS_REG_WRITE(ah, AR_NEXT_SWBA, ONE_EIGHTH_TU_TO_USEC(bt->bt_nextswba)); 957 OS_REG_WRITE(ah, AR_NEXT_NDP_TIMER, TU_TO_USEC(bt->bt_nextatim)); 958 959 bperiod = TU_TO_USEC(bt->bt_intval & HAL_BEACON_PERIOD); 960 AH9300(ah)->ah_beaconInterval = bt->bt_intval & HAL_BEACON_PERIOD; 961 OS_REG_WRITE(ah, AR_BEACON_PERIOD, bperiod); 962 OS_REG_WRITE(ah, AR_DMA_BEACON_PERIOD, bperiod); 963 OS_REG_WRITE(ah, AR_SWBA_PERIOD, bperiod); 964 OS_REG_WRITE(ah, AR_NDP_PERIOD, bperiod); 965 966 /* 967 * Reset TSF if required. 968 */ 969 if (bt->bt_intval & HAL_BEACON_RESET_TSF) 970 ar9300_reset_tsf(ah); 971 972 /* enable timers */ 973 /* NB: flags == 0 handled specially for backwards compatibility */ 974 OS_REG_SET_BIT(ah, AR_TIMER_MODE, 975 bt->bt_flags != 0 ? bt->bt_flags : 976 AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN); 977 } 978 979 980 /* 981 * RF attach stubs 982 */ 983 984 static HAL_BOOL 985 rf9330_attach(struct ath_hal *ah, HAL_STATUS *status) 986 { 987 988 (*status) = HAL_EINVAL; 989 return (AH_FALSE); 990 } 991 992 static HAL_BOOL 993 rf9330_probe(struct ath_hal *ah) 994 { 995 return (AH_FALSE); 996 } 997 998 AH_RF(RF9330, rf9330_probe, rf9330_attach); 999 1000