Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/contrib/dev/ath/ath_hal/ar9300/ar9300_freebsd.c
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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 static u_int 73 ar9300_get_nav(struct ath_hal *ah) 74 { 75 uint32_t reg; 76 77 reg = OS_REG_READ(ah, AR_NAV); 78 if (reg == 0xdeadbeef) 79 return 0; 80 return reg; 81 } 82 83 static void 84 ar9300_set_nav(struct ath_hal *ah, u_int nav) 85 { 86 87 OS_REG_WRITE(ah, AR_NAV, nav); 88 } 89 90 /* 91 * TODO: implement the antenna diversity control for AR9485 and 92 * other LNA mixing based NICs. 93 * 94 * For now we'll just go with the HAL default and make these no-ops. 95 */ 96 static HAL_ANT_SETTING 97 ar9300_freebsd_get_antenna_switch(struct ath_hal *ah) 98 { 99 100 return (HAL_ANT_VARIABLE); 101 } 102 103 static HAL_BOOL 104 ar9300_freebsd_set_antenna_switch(struct ath_hal *ah, HAL_ANT_SETTING setting) 105 { 106 107 return (AH_TRUE); 108 } 109 110 static u_int 111 ar9300_freebsd_get_cts_timeout(struct ath_hal *ah) 112 { 113 u_int clks = MS(OS_REG_READ(ah, AR_TIME_OUT), AR_TIME_OUT_CTS); 114 return ath_hal_mac_usec(ah, clks); /* convert from system clocks */ 115 } 116 117 static void 118 ar9300_freebsd_set_tsf64(struct ath_hal *ah, uint64_t tsf64) 119 { 120 121 /* 122 * XXX TODO: read ar5416SetTsf64() - we should wait before we do 123 * this. 124 */ 125 OS_REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff); 126 OS_REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff); 127 } 128 129 /* Flags for pulse_bw_info */ 130 #define PRI_CH_RADAR_FOUND 0x01 131 #define EXT_CH_RADAR_FOUND 0x02 132 #define EXT_CH_RADAR_EARLY_FOUND 0x04 133 134 static HAL_BOOL 135 ar9300_freebsd_proc_radar_event(struct ath_hal *ah, struct ath_rx_status *rxs, 136 uint64_t fulltsf, const char *buf, HAL_DFS_EVENT *event) 137 { 138 HAL_BOOL doDfsExtCh; 139 HAL_BOOL doDfsEnhanced; 140 HAL_BOOL doDfsCombinedRssi; 141 142 uint8_t rssi = 0, ext_rssi = 0; 143 uint8_t pulse_bw_info = 0, pulse_length_ext = 0, pulse_length_pri = 0; 144 uint32_t dur = 0; 145 int pri_found = 1, ext_found = 0; 146 int early_ext = 0; 147 int is_dc = 0; 148 uint16_t datalen; /* length from the RX status field */ 149 150 /* Check whether the given phy error is a radar event */ 151 if ((rxs->rs_phyerr != HAL_PHYERR_RADAR) && 152 (rxs->rs_phyerr != HAL_PHYERR_FALSE_RADAR_EXT)) { 153 return AH_FALSE; 154 } 155 156 /* Grab copies of the capabilities; just to make the code clearer */ 157 doDfsExtCh = AH_PRIVATE(ah)->ah_caps.halExtChanDfsSupport; 158 doDfsEnhanced = AH_PRIVATE(ah)->ah_caps.halEnhancedDfsSupport; 159 doDfsCombinedRssi = AH_PRIVATE(ah)->ah_caps.halUseCombinedRadarRssi; 160 161 datalen = rxs->rs_datalen; 162 163 /* If hardware supports it, use combined RSSI, else use chain 0 RSSI */ 164 if (doDfsCombinedRssi) 165 rssi = (uint8_t) rxs->rs_rssi; 166 else 167 rssi = (uint8_t) rxs->rs_rssi_ctl[0]; 168 169 /* Set this; but only use it if doDfsExtCh is set */ 170 ext_rssi = (uint8_t) rxs->rs_rssi_ext[0]; 171 172 /* Cap it at 0 if the RSSI is a negative number */ 173 if (rssi & 0x80) 174 rssi = 0; 175 176 if (ext_rssi & 0x80) 177 ext_rssi = 0; 178 179 /* 180 * Fetch the relevant data from the frame 181 */ 182 if (doDfsExtCh) { 183 if (datalen < 3) 184 return AH_FALSE; 185 186 /* Last three bytes of the frame are of interest */ 187 pulse_length_pri = *(buf + datalen - 3); 188 pulse_length_ext = *(buf + datalen - 2); 189 pulse_bw_info = *(buf + datalen - 1); 190 HALDEBUG(ah, HAL_DEBUG_DFS, "%s: rssi=%d, ext_rssi=%d, pulse_length_pri=%d," 191 " pulse_length_ext=%d, pulse_bw_info=%x\n", 192 __func__, rssi, ext_rssi, pulse_length_pri, pulse_length_ext, 193 pulse_bw_info); 194 } else { 195 /* The pulse width is byte 0 of the data */ 196 if (datalen >= 1) 197 dur = ((uint8_t) buf[0]) & 0xff; 198 else 199 dur = 0; 200 201 if (dur == 0 && rssi == 0) { 202 HALDEBUG(ah, HAL_DEBUG_DFS, "%s: dur and rssi are 0\n", __func__); 203 return AH_FALSE; 204 } 205 206 HALDEBUG(ah, HAL_DEBUG_DFS, "%s: rssi=%d, dur=%d\n", __func__, rssi, dur); 207 208 /* Single-channel only */ 209 pri_found = 1; 210 ext_found = 0; 211 } 212 213 /* 214 * If doing extended channel data, pulse_bw_info must 215 * have one of the flags set. 216 */ 217 if (doDfsExtCh && pulse_bw_info == 0x0) 218 return AH_FALSE; 219 220 /* 221 * If the extended channel data is available, calculate 222 * which to pay attention to. 223 */ 224 if (doDfsExtCh) { 225 /* If pulse is on DC, take the larger duration of the two */ 226 if ((pulse_bw_info & EXT_CH_RADAR_FOUND) && 227 (pulse_bw_info & PRI_CH_RADAR_FOUND)) { 228 is_dc = 1; 229 if (pulse_length_ext > pulse_length_pri) { 230 dur = pulse_length_ext; 231 pri_found = 0; 232 ext_found = 1; 233 } else { 234 dur = pulse_length_pri; 235 pri_found = 1; 236 ext_found = 0; 237 } 238 } else if (pulse_bw_info & EXT_CH_RADAR_EARLY_FOUND) { 239 dur = pulse_length_ext; 240 pri_found = 0; 241 ext_found = 1; 242 early_ext = 1; 243 } else if (pulse_bw_info & PRI_CH_RADAR_FOUND) { 244 dur = pulse_length_pri; 245 pri_found = 1; 246 ext_found = 0; 247 } else if (pulse_bw_info & EXT_CH_RADAR_FOUND) { 248 dur = pulse_length_ext; 249 pri_found = 0; 250 ext_found = 1; 251 } 252 253 } 254 255 /* 256 * For enhanced DFS (Merlin and later), pulse_bw_info has 257 * implications for selecting the correct RSSI value. 258 */ 259 if (doDfsEnhanced) { 260 switch (pulse_bw_info & 0x03) { 261 case 0: 262 /* No radar? */ 263 rssi = 0; 264 break; 265 case PRI_CH_RADAR_FOUND: 266 /* Radar in primary channel */ 267 /* Cannot use ctrl channel RSSI if ext channel is stronger */ 268 if (ext_rssi >= (rssi + 3)) { 269 rssi = 0; 270 } 271 break; 272 case EXT_CH_RADAR_FOUND: 273 /* Radar in extended channel */ 274 /* Cannot use ext channel RSSI if ctrl channel is stronger */ 275 if (rssi >= (ext_rssi + 12)) { 276 rssi = 0; 277 } else { 278 rssi = ext_rssi; 279 } 280 break; 281 case (PRI_CH_RADAR_FOUND | EXT_CH_RADAR_FOUND): 282 /* When both are present, use stronger one */ 283 if (rssi < ext_rssi) 284 rssi = ext_rssi; 285 break; 286 } 287 } 288 289 /* 290 * If not doing enhanced DFS, choose the ext channel if 291 * it is stronger than the main channel 292 */ 293 if (doDfsExtCh && !doDfsEnhanced) { 294 if ((ext_rssi > rssi) && (ext_rssi < 128)) 295 rssi = ext_rssi; 296 } 297 298 /* 299 * XXX what happens if the above code decides the RSSI 300 * XXX wasn't valid, an sets it to 0? 301 */ 302 303 /* 304 * Fill out dfs_event structure. 305 */ 306 event->re_full_ts = fulltsf; 307 event->re_ts = rxs->rs_tstamp; 308 event->re_rssi = rssi; 309 event->re_dur = dur; 310 311 event->re_flags = 0; 312 if (pri_found) 313 event->re_flags |= HAL_DFS_EVENT_PRICH; 314 if (ext_found) 315 event->re_flags |= HAL_DFS_EVENT_EXTCH; 316 if (early_ext) 317 event->re_flags |= HAL_DFS_EVENT_EXTEARLY; 318 if (is_dc) 319 event->re_flags |= HAL_DFS_EVENT_ISDC; 320 321 return AH_TRUE; 322 } 323 324 void 325 ar9300_attach_freebsd_ops(struct ath_hal *ah) 326 { 327 328 /* Global functions */ 329 ah->ah_detach = ar9300_detach; 330 ah->ah_getRateTable = ar9300_get_rate_table; 331 332 /* Reset functions */ 333 ah->ah_reset = ar9300_reset_freebsd; 334 ah->ah_phyDisable = ar9300_phy_disable; 335 ah->ah_disable = ar9300_disable; 336 ah->ah_configPCIE = ar9300_config_pcie_freebsd; 337 // ah->ah_disablePCIE = ar9300_disable_pcie_phy; 338 ah->ah_setPCUConfig = ar9300_set_pcu_config; 339 // perCalibration 340 ah->ah_perCalibrationN = ar9300_per_calibration_freebsd; 341 ah->ah_resetCalValid = ar9300_reset_cal_valid_freebsd; 342 ah->ah_setTxPowerLimit = ar9300_freebsd_set_tx_power_limit; 343 ah->ah_getChanNoise = ath_hal_getChanNoise; 344 345 /* Transmit functions */ 346 ah->ah_setupTxQueue = ar9300_setup_tx_queue; 347 ah->ah_setTxQueueProps = ar9300_set_tx_queue_props; 348 ah->ah_getTxQueueProps = ar9300_get_tx_queue_props; 349 ah->ah_releaseTxQueue = ar9300_release_tx_queue; 350 ah->ah_resetTxQueue = ar9300_reset_tx_queue; 351 ah->ah_getTxDP = ar9300_get_tx_dp; 352 ah->ah_setTxDP = ar9300_set_tx_dp; 353 ah->ah_numTxPending = ar9300_num_tx_pending; 354 ah->ah_startTxDma = ar9300_start_tx_dma; 355 ah->ah_stopTxDma = ar9300_stop_tx_dma_freebsd; 356 ah->ah_setupTxDesc = ar9300_freebsd_setup_tx_desc; 357 ah->ah_setupXTxDesc = ar9300_freebsd_setup_x_tx_desc; 358 ah->ah_fillTxDesc = ar9300_freebsd_fill_tx_desc; 359 ah->ah_procTxDesc = ar9300_freebsd_proc_tx_desc; 360 ah->ah_getTxIntrQueue = ar9300_get_tx_intr_queue; 361 // reqTxIntrDesc 362 ah->ah_getTxCompletionRates = ar9300_freebsd_get_tx_completion_rates; 363 ah->ah_setTxDescLink = ar9300_set_desc_link; 364 ah->ah_getTxDescLink = ar9300_freebsd_get_desc_link; 365 ah->ah_getTxDescLinkPtr = ar9300_get_desc_link_ptr; 366 ah->ah_setupTxStatusRing = ar9300_setup_tx_status_ring; 367 ah->ah_getTxRawTxDesc = ar9300_get_raw_tx_desc; 368 ah->ah_updateTxTrigLevel = ar9300_update_tx_trig_level; 369 370 /* RX functions */ 371 ah->ah_getRxDP = ar9300_get_rx_dp; 372 ah->ah_setRxDP = ar9300_set_rx_dp; 373 ah->ah_enableReceive = ar9300_enable_receive; 374 ah->ah_stopDmaReceive = ar9300_stop_dma_receive_freebsd; 375 ah->ah_startPcuReceive = ar9300_start_pcu_receive; 376 ah->ah_stopPcuReceive = ar9300_stop_pcu_receive; 377 ah->ah_setMulticastFilter = ar9300_set_multicast_filter; 378 ah->ah_setMulticastFilterIndex = ar9300SetMulticastFilterIndex; 379 ah->ah_clrMulticastFilterIndex = ar9300ClrMulticastFilterIndex; 380 ah->ah_getRxFilter = ar9300_get_rx_filter; 381 ah->ah_setRxFilter = ar9300_set_rx_filter; 382 /* setupRxDesc */ 383 ah->ah_procRxDesc = ar9300_proc_rx_desc_freebsd; 384 ah->ah_rxMonitor = ar9300_ani_rxmonitor_freebsd; 385 ah->ah_aniPoll = ar9300_ani_poll_freebsd; 386 ah->ah_procMibEvent = ar9300_process_mib_intr; 387 388 /* Misc functions */ 389 ah->ah_getCapability = ar9300_get_capability; 390 ah->ah_setCapability = ar9300_set_capability; 391 ah->ah_getDiagState = ar9300_get_diag_state; 392 ah->ah_getMacAddress = ar9300_get_mac_address; 393 ah->ah_setMacAddress = ar9300_set_mac_address; 394 ah->ah_getBssIdMask = ar9300_get_bss_id_mask; 395 ah->ah_setBssIdMask = ar9300_set_bss_id_mask; 396 ah->ah_setRegulatoryDomain = ar9300_set_regulatory_domain; 397 ah->ah_setLedState = ar9300_set_led_state; 398 ah->ah_writeAssocid = ar9300_write_associd; 399 ah->ah_gpioCfgInput = ar9300_gpio_cfg_input; 400 ah->ah_gpioCfgOutput = ar9300_gpio_cfg_output; 401 ah->ah_gpioGet = ar9300_gpio_get; 402 ah->ah_gpioSet = ar9300_gpio_set; 403 ah->ah_gpioSetIntr = ar9300_gpio_set_intr; 404 /* polarity */ 405 /* mask */ 406 ah->ah_getTsf32 = ar9300_get_tsf32; 407 ah->ah_getTsf64 = ar9300_get_tsf64; 408 ah->ah_resetTsf = ar9300_reset_tsf; 409 ah->ah_setTsf64 = ar9300_freebsd_set_tsf64; 410 ah->ah_detectCardPresent = ar9300_detect_card_present; 411 // ah->ah_updateMibCounters = ar9300_update_mib_counters; 412 ah->ah_getRfGain = ar9300_get_rfgain; 413 ah->ah_getDefAntenna = ar9300_get_def_antenna; 414 ah->ah_setDefAntenna = ar9300_set_def_antenna; 415 ah->ah_getAntennaSwitch = ar9300_freebsd_get_antenna_switch; 416 ah->ah_setAntennaSwitch = ar9300_freebsd_set_antenna_switch; 417 // ah->ah_setSifsTime = ar9300_set_sifs_time; 418 // ah->ah_getSifsTime = ar9300_get_sifs_time; 419 ah->ah_setSlotTime = ar9300_set_slot_time; 420 ah->ah_getSlotTime = ar9300GetSlotTime; 421 ah->ah_getAckTimeout = ar9300_get_ack_timeout; 422 ah->ah_setAckTimeout = ar9300_set_ack_timeout; 423 // XXX ack/ctsrate 424 // XXX CTS timeout 425 ah->ah_getCTSTimeout = ar9300_freebsd_get_cts_timeout; 426 // XXX decompmask 427 // coverageclass 428 ah->ah_setQuiet = ar9300_set_quiet; 429 ah->ah_getMibCycleCounts = ar9300_freebsd_get_mib_cycle_counts; 430 431 /* DFS functions */ 432 ah->ah_enableDfs = ar9300_enable_dfs; 433 ah->ah_getDfsThresh = ar9300_get_dfs_thresh; 434 ah->ah_getDfsDefaultThresh = ar9300_get_default_dfs_thresh; 435 ah->ah_procRadarEvent = ar9300_freebsd_proc_radar_event; 436 ah->ah_isFastClockEnabled = ar9300_is_fast_clock_enabled; 437 ah->ah_get11nExtBusy = ar9300_get_11n_ext_busy; 438 ah->ah_setDfsCacTxQuiet = ar9300_cac_tx_quiet; 439 440 /* Spectral Scan Functions */ 441 ah->ah_spectralConfigure = ar9300_configure_spectral_scan; 442 ah->ah_spectralGetConfig = ar9300_get_spectral_params; 443 ah->ah_spectralStart = ar9300_start_spectral_scan; 444 ah->ah_spectralStop = ar9300_stop_spectral_scan; 445 ah->ah_spectralIsEnabled = ar9300_is_spectral_enabled; 446 ah->ah_spectralIsActive = ar9300_is_spectral_active; 447 448 /* Key cache functions */ 449 ah->ah_getKeyCacheSize = ar9300_get_key_cache_size; 450 ah->ah_resetKeyCacheEntry = ar9300_reset_key_cache_entry; 451 ah->ah_isKeyCacheEntryValid = ar9300_is_key_cache_entry_valid; 452 ah->ah_setKeyCacheEntry = ar9300_set_key_cache_entry; 453 ah->ah_setKeyCacheEntryMac = ar9300_set_key_cache_entry_mac; 454 455 /* Power management functions */ 456 ah->ah_setPowerMode = ar9300_set_power_mode; 457 ah->ah_getPowerMode = ar9300_get_power_mode; 458 459 /* Beacon functions */ 460 /* ah_setBeaconTimers */ 461 ah->ah_beaconInit = ar9300_freebsd_beacon_init; 462 ah->ah_setBeaconTimers = ar9300_beacon_set_beacon_timers; 463 ah->ah_setStationBeaconTimers = ar9300_set_sta_beacon_timers; 464 /* ah_resetStationBeaconTimers */ 465 ah->ah_getNextTBTT = ar9300_get_next_tbtt; 466 467 /* Interrupt functions */ 468 ah->ah_isInterruptPending = ar9300_is_interrupt_pending; 469 ah->ah_getPendingInterrupts = ar9300_get_pending_interrupts_freebsd; 470 ah->ah_getInterrupts = ar9300_get_interrupts; 471 ah->ah_setInterrupts = ar9300_set_interrupts_freebsd; 472 473 /* Regulatory/internal functions */ 474 // AH_PRIVATE(ah)->ah_getNfAdjust = ar9300_get_nf_adjust; 475 AH_PRIVATE(ah)->ah_eepromRead = ar9300_eeprom_read_word; 476 // AH_PRIVATE(ah)->ah_getChipPowerLimits = ar9300_get_chip_power_limits; 477 AH_PRIVATE(ah)->ah_getWirelessModes = ar9300_get_wireless_modes; 478 AH_PRIVATE(ah)->ah_getChannelEdges = ar9300_get_channel_edges; 479 480 AH_PRIVATE(ah)->ah_eepromRead = ar9300_eeprom_read_word; 481 /* XXX ah_eeprom */ 482 /* XXX ah_eeversion */ 483 /* XXX ah_eepromDetach */ 484 /* XXX ah_eepromGet */ 485 AH_PRIVATE(ah)->ah_eepromGet = ar9300_eeprom_get_freebsd; 486 /* XXX ah_eepromSet */ 487 /* XXX ah_getSpurChan */ 488 /* XXX ah_eepromDiag */ 489 490 /* 802.11n functions */ 491 ah->ah_chainTxDesc = ar9300_freebsd_chain_tx_desc; 492 ah->ah_setupFirstTxDesc= ar9300_freebsd_setup_first_tx_desc; 493 ah->ah_setupLastTxDesc = ar9300_freebsd_setup_last_tx_desc; 494 ah->ah_set11nRateScenario = ar9300_freebsd_set_11n_rate_scenario; 495 ah->ah_set11nTxDesc = ar9300_freebsd_setup_11n_desc; 496 ah->ah_set11nAggrFirst = ar9300_set_11n_aggr_first; 497 ah->ah_set11nAggrMiddle = ar9300_set_11n_aggr_middle; 498 ah->ah_set11nAggrLast = ar9300_set_11n_aggr_last; 499 ah->ah_clr11nAggr = ar9300_clr_11n_aggr; 500 ah->ah_set11nBurstDuration = ar9300_set_11n_burst_duration; 501 /* ah_get11nExtBusy */ 502 ah->ah_set11nMac2040 = ar9300_set_11n_mac2040; 503 ah->ah_setChainMasks = ar9300SetChainMasks; 504 ah->ah_getNav = ar9300_get_nav; 505 ah->ah_setNav = ar9300_set_nav; 506 /* ah_get11nRxClear */ 507 /* ah_set11nRxClear */ 508 509 /* bluetooth coexistence functions */ 510 ah->ah_btCoexSetInfo = ar9300_set_bt_coex_info; 511 ah->ah_btCoexSetConfig = ar9300_bt_coex_config; 512 ah->ah_btCoexSetQcuThresh = ar9300_bt_coex_set_qcu_thresh; 513 ah->ah_btCoexSetWeights = ar9300_bt_coex_set_weights; 514 ah->ah_btCoexSetBmissThresh = ar9300_bt_coex_setup_bmiss_thresh; 515 ah->ah_btCoexSetParameter = ar9300_bt_coex_set_parameter; 516 ah->ah_btCoexDisable = ar9300_bt_coex_disable; 517 ah->ah_btCoexEnable = ar9300_bt_coex_enable; 518 519 /* MCI bluetooth functions */ 520 if (AR_SREV_JUPITER(ah) || AR_SREV_APHRODITE(ah)) { 521 /* 522 * Note: these are done in attach too for now, because 523 * at this point we haven't yet setup the mac/bb revision 524 * values, so this code is effectively NULL. 525 * However, I'm leaving this here so people digging 526 * into the code (a) see the MCI bits here, and (b) 527 * are now told they should look elsewhere for 528 * these methods. 529 */ 530 ah->ah_btCoexSetWeights = ar9300_mci_bt_coex_set_weights; 531 ah->ah_btCoexDisable = ar9300_mci_bt_coex_disable; 532 ah->ah_btCoexEnable = ar9300_mci_bt_coex_enable; 533 } 534 ah->ah_btMciSetup = ar9300_mci_setup; 535 ah->ah_btMciSendMessage = ar9300_mci_send_message; 536 ah->ah_btMciGetInterrupt = ar9300_mci_get_interrupt; 537 ah->ah_btMciState = ar9300_mci_state; 538 ah->ah_btMciDetach = ar9300_mci_detach; 539 540 /* LNA diversity functions */ 541 ah->ah_divLnaConfGet = ar9300_ant_div_comb_get_config; 542 ah->ah_divLnaConfSet = ar9300_ant_div_comb_set_config; 543 } 544 545 HAL_BOOL 546 ar9300_reset_freebsd(struct ath_hal *ah, HAL_OPMODE opmode, 547 struct ieee80211_channel *chan, HAL_BOOL bChannelChange, 548 HAL_RESET_TYPE resetType, 549 HAL_STATUS *status) 550 { 551 HAL_BOOL r; 552 HAL_HT_MACMODE macmode; 553 struct ath_hal_private *ap = AH_PRIVATE(ah); 554 555 macmode = 556 IEEE80211_IS_CHAN_HT40(chan) ? 557 HAL_HT_MACMODE_2040 : HAL_HT_MACMODE_20; 558 559 r = ar9300_reset(ah, opmode, chan, macmode, 560 ap->ah_caps.halTxChainMask, 561 ap->ah_caps.halRxChainMask, 562 HAL_HT_EXTPROTSPACING_20, /* always 20Mhz channel spacing */ 563 bChannelChange, 564 status, 565 resetType, 566 AH_FALSE); /* XXX should really extend ath_hal_reset() */ 567 568 return (r); 569 } 570 571 void 572 ar9300_config_pcie_freebsd(struct ath_hal *ah, HAL_BOOL restore, 573 HAL_BOOL powerOff) 574 { 575 576 ar9300_config_pci_power_save(ah, restore ? 1 : 0, powerOff ? 1 : 0); 577 } 578 579 /* 580 * This is a copy from ar9300_eeprom_get(), purely because the FreeBSD 581 * API is very silly and inconsistent. 582 * 583 * The AR93xx HAL doesn't call the eepromGetFlag() function, so this 584 * only occurs for FreeBSD code. 585 * 586 * When I fix this particular API, I'll undo this. 587 */ 588 HAL_STATUS 589 ar9300_eeprom_get_freebsd(struct ath_hal *ah, int param, void *val) 590 { 591 592 switch (param) { 593 case AR_EEP_FSTCLK_5G: 594 return HAL_OK; 595 default: 596 ath_hal_printf(ah, "%s: called, param=%d\n", 597 __func__, param); 598 return HAL_EIO; 599 } 600 } 601 602 HAL_BOOL 603 ar9300_stop_tx_dma_freebsd(struct ath_hal *ah, u_int q) 604 { 605 606 return ar9300_stop_tx_dma(ah, q, 1000); 607 } 608 609 void 610 ar9300_ani_poll_freebsd(struct ath_hal *ah, 611 const struct ieee80211_channel *chan) 612 { 613 614 HAL_NODE_STATS stats; 615 HAL_ANISTATS anistats; 616 HAL_SURVEY_SAMPLE survey; 617 618 OS_MEMZERO(&stats, sizeof(stats)); 619 OS_MEMZERO(&anistats, sizeof(anistats)); 620 OS_MEMZERO(&survey, sizeof(survey)); 621 622 ar9300_ani_ar_poll(ah, &stats, chan, &anistats); 623 624 /* 625 * If ANI stats are valid, use them to update the 626 * channel survey. 627 */ 628 if (anistats.valid) { 629 survey.cycle_count = anistats.cyclecnt_diff; 630 survey.chan_busy = anistats.rxclr_cnt; 631 survey.ext_chan_busy = anistats.extrxclr_cnt; 632 survey.tx_busy = anistats.txframecnt_diff; 633 survey.rx_busy = anistats.rxframecnt_diff; 634 ath_hal_survey_add_sample(ah, &survey); 635 } 636 } 637 638 /* 639 * Setup the configuration parameters in the style the AR9300 HAL 640 * wants. 641 */ 642 void 643 ar9300_config_defaults_freebsd(struct ath_hal *ah, HAL_OPS_CONFIG *ah_config) 644 { 645 646 /* Until FreeBSD's HAL does this by default - just copy */ 647 OS_MEMCPY(&ah->ah_config, ah_config, sizeof(HAL_OPS_CONFIG)); 648 ah->ah_config.ath_hal_enable_ani = AH_TRUE; 649 } 650 651 HAL_BOOL 652 ar9300_stop_dma_receive_freebsd(struct ath_hal *ah) 653 { 654 655 return ar9300_stop_dma_receive(ah, 1000); 656 } 657 658 HAL_BOOL 659 ar9300_get_pending_interrupts_freebsd(struct ath_hal *ah, HAL_INT *masked) 660 { 661 662 /* Non-MSI, so no MSI vector; and 'nortc' = 0 */ 663 return ar9300_get_pending_interrupts(ah, masked, HAL_INT_LINE, 0, 0); 664 } 665 666 HAL_INT 667 ar9300_set_interrupts_freebsd(struct ath_hal *ah, HAL_INT ints) 668 { 669 670 /* nortc = 0 */ 671 return ar9300_set_interrupts(ah, ints, 0); 672 } 673 674 HAL_BOOL 675 ar9300_per_calibration_freebsd(struct ath_hal *ah, 676 struct ieee80211_channel *chan, u_int rxchainmask, HAL_BOOL long_cal, 677 HAL_BOOL *isCalDone) 678 { 679 /* XXX fake scheduled calibrations for now */ 680 u_int32_t sched_cals = 0xfffffff; 681 682 return ar9300_calibration(ah, chan, 683 AH_PRIVATE(ah)->ah_caps.halRxChainMask, 684 long_cal, 685 isCalDone, 686 0, /* is_scan */ 687 &sched_cals); 688 } 689 690 HAL_BOOL 691 ar9300_reset_cal_valid_freebsd(struct ath_hal *ah, 692 const struct ieee80211_channel *chan) 693 { 694 695 HAL_BOOL is_cal_done = AH_TRUE; 696 697 ar9300_reset_cal_valid(ah, chan, &is_cal_done, 0xffffffff); 698 return (is_cal_done); 699 } 700 701 702 /* 703 * FreeBSD will just pass in the descriptor value as 'pa'. 704 * The Atheros HAL treats 'pa' as the physical address of the RX 705 * descriptor and 'bufaddr' as the physical address of the RX buffer. 706 * I'm not sure why they didn't collapse them - the AR9300 RX descriptor 707 * routine doesn't check 'pa'. 708 */ 709 HAL_STATUS 710 ar9300_proc_rx_desc_freebsd(struct ath_hal *ah, struct ath_desc *ds, 711 uint32_t pa, struct ath_desc *ds_next, uint64_t tsf, 712 struct ath_rx_status *rxs) 713 { 714 715 return (ar9300_proc_rx_desc_fast(ah, ds, 0, ds_next, rxs, 716 (void *) ds)); 717 } 718 719 /* 720 * This is the primary way the ANI code gets the node statistics per packet. 721 */ 722 void 723 ar9300_ani_rxmonitor_freebsd(struct ath_hal *ah, const HAL_NODE_STATS *stats, 724 const struct ieee80211_channel *chan) 725 { 726 struct ath_hal_9300 *ahp = AH9300(ah); 727 728 ahp->ah_stats.ast_nodestats.ns_avgbrssi = stats->ns_avgbrssi; 729 } 730 731 void 732 ar9300_freebsd_get_desc_link(struct ath_hal *ah, void *ds, uint32_t *link) 733 { 734 struct ar9300_txc *ads = AR9300TXC(ds); 735 736 (*link) = ads->ds_link; 737 } 738 739 /* 740 * TX descriptor field setting wrappers - eek. 741 */ 742 743 744 HAL_BOOL 745 ar9300_freebsd_setup_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 746 u_int pktLen, u_int hdrLen, HAL_PKT_TYPE type, u_int txPower, 747 u_int txRate0, u_int txTries0, u_int keyIx, u_int antMode, u_int flags, 748 u_int rtsctsRate, u_int rtsCtsDuration, u_int compicvLen, 749 u_int compivLen, u_int comp) 750 { 751 struct ath_hal_9300 *ahp = AH9300(ah); 752 753 HAL_KEY_TYPE keyType = 0; /* XXX No padding */ 754 755 if (keyIx != HAL_TXKEYIX_INVALID) 756 keyType = ahp->ah_keytype[keyIx]; 757 758 /* XXX bounds check keyix */ 759 ar9300_set_11n_tx_desc(ah, ds, pktLen, type, txPower, keyIx, 760 keyType, flags); 761 762 return AH_TRUE; 763 } 764 765 HAL_BOOL 766 ar9300_freebsd_setup_x_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 767 u_int txRate1, u_int txTries1, 768 u_int txRate2, u_int txTries2, 769 u_int txRate3, u_int txTries3) 770 { 771 772 #if 0 773 ath_hal_printf(ah, "%s: called, 0x%x/%d, 0x%x/%d, 0x%x/%d\n", 774 __func__, 775 txRate1, txTries1, 776 txRate2, txTries2, 777 txRate3, txTries3); 778 #endif 779 780 /* XXX should only be called during probe */ 781 return (AH_TRUE); 782 } 783 784 HAL_BOOL 785 ar9300_freebsd_fill_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 786 HAL_DMA_ADDR *bufListPtr, uint32_t *segLenPtr, u_int descId, u_int qid, 787 HAL_BOOL firstSeg, HAL_BOOL lastSeg, 788 const struct ath_desc *ds0) 789 { 790 HAL_KEY_TYPE keyType = 0; 791 const struct ar9300_txc *ads = AR9300TXC_CONST(ds0); 792 793 /* 794 * FreeBSD's HAL doesn't pass the keytype to fill_tx_desc(); 795 * it's copied as part of the descriptor chaining. 796 * 797 * So, extract it from ds0. 798 */ 799 keyType = MS(ads->ds_ctl17, AR_encr_type); 800 801 return ar9300_fill_tx_desc(ah, ds, bufListPtr, segLenPtr, descId, 802 qid, keyType, firstSeg, lastSeg, ds0); 803 } 804 805 HAL_BOOL 806 ar9300_freebsd_get_tx_completion_rates(struct ath_hal *ah, 807 const struct ath_desc *ds0, int *rates, int *tries) 808 { 809 810 ath_hal_printf(ah, "%s: called\n", __func__); 811 return AH_FALSE; /* XXX for now */ 812 } 813 814 815 /* 816 * 802.11n TX descriptor wrappers 817 */ 818 void 819 ar9300_freebsd_set_11n_rate_scenario(struct ath_hal *ah, struct ath_desc *ds, 820 u_int durUpdateEn, u_int rtsctsRate, HAL_11N_RATE_SERIES series[], 821 u_int nseries, u_int flags) 822 { 823 824 /* lastds=NULL, rtscts_duration is 0, smart antenna is 0 */ 825 ar9300_set_11n_rate_scenario(ah, (void *) ds, (void *)ds, durUpdateEn, 826 rtsctsRate, 0, series, nseries, flags, 0); 827 } 828 829 /* chaintxdesc */ 830 HAL_BOOL 831 ar9300_freebsd_chain_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 832 HAL_DMA_ADDR *bufLenList, uint32_t *segLenList, 833 u_int pktLen, u_int hdrLen, HAL_PKT_TYPE type, u_int keyIx, 834 HAL_CIPHER cipher, uint8_t numDelims, 835 HAL_BOOL firstSeg, HAL_BOOL lastSeg, HAL_BOOL lastAggr) 836 { 837 838 ath_hal_printf(ah, "%s: called\n", __func__); 839 return AH_FALSE; 840 } 841 842 /* setupfirsttxdesc */ 843 HAL_BOOL 844 ar9300_freebsd_setup_first_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 845 u_int aggrLen, u_int flags, u_int txPower, u_int txRate0, 846 u_int txTries0, u_int antMode, u_int rtsctsRate, u_int rtsctsDuration) 847 { 848 849 ath_hal_printf(ah, "%s: called\n", __func__); 850 return AH_FALSE; 851 } 852 853 /* setuplasttxdesc */ 854 /* 855 * This gets called but for now let's not log anything; 856 * it's only used to update the rate control information. 857 */ 858 HAL_BOOL 859 ar9300_freebsd_setup_last_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 860 const struct ath_desc *ds0) 861 { 862 863 // ath_hal_printf(ah, "%s: called\n", __func__); 864 return AH_FALSE; 865 } 866 867 void 868 ar9300_freebsd_setup_11n_desc(struct ath_hal *ah, void *ds, u_int pktLen, 869 HAL_PKT_TYPE type, u_int txPower, u_int keyIx, u_int flags) 870 { 871 ath_hal_printf(ah, "%s: called\n", __func__); 872 #if 0 873 struct ath_hal_9300 *ahp = AH9300(ah); 874 875 HAL_KEY_TYPE keyType = 0; /* XXX No padding */ 876 877 if (keyIx != HAL_TXKEYIX_INVALID) 878 keyType = ahp->ah_keytype[keyIx]; 879 880 /* XXX bounds check keyix */ 881 ar9300_set_11n_tx_desc(ah, ds, pktLen, type, txPower, keyIx, 882 keyType, flags); 883 #endif 884 } 885 886 HAL_STATUS 887 ar9300_freebsd_proc_tx_desc(struct ath_hal *ah, struct ath_desc *ds, 888 struct ath_tx_status *ts) 889 { 890 891 return ar9300_proc_tx_desc(ah, ts); 892 } 893 894 void 895 ar9300_freebsd_beacon_init(struct ath_hal *ah, uint32_t next_beacon, 896 uint32_t beacon_period) 897 { 898 899 ar9300_beacon_init(ah, next_beacon, beacon_period, 0, 900 AH_PRIVATE(ah)->ah_opmode); 901 } 902 903 HAL_BOOL 904 ar9300_freebsd_get_mib_cycle_counts(struct ath_hal *ah, 905 HAL_SURVEY_SAMPLE *hs) 906 907 { 908 909 return (AH_FALSE); 910 } 911 912 /* 913 * Clear multicast filter by index - from FreeBSD ar5212_recv.c 914 */ 915 static HAL_BOOL 916 ar9300ClrMulticastFilterIndex(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 /* 933 * Set multicast filter by index - from FreeBSD ar5212_recv.c 934 */ 935 static HAL_BOOL 936 ar9300SetMulticastFilterIndex(struct ath_hal *ah, uint32_t ix) 937 { 938 uint32_t val; 939 940 if (ix >= 64) 941 return (AH_FALSE); 942 if (ix >= 32) { 943 val = OS_REG_READ(ah, AR_MCAST_FIL1); 944 OS_REG_WRITE(ah, AR_MCAST_FIL1, (val | (1<<(ix-32)))); 945 } else { 946 val = OS_REG_READ(ah, AR_MCAST_FIL0); 947 OS_REG_WRITE(ah, AR_MCAST_FIL0, (val | (1<<ix))); 948 } 949 return (AH_TRUE); 950 } 951 952 #define TU_TO_USEC(_tu) ((_tu) << 10) 953 #define ONE_EIGHTH_TU_TO_USEC(_tu8) ((_tu8) << 7) 954 955 /* 956 * Initializes all of the hardware registers used to 957 * send beacons. Note that for station operation the 958 * driver calls ar9300_set_sta_beacon_timers instead. 959 */ 960 static void 961 ar9300_beacon_set_beacon_timers(struct ath_hal *ah, 962 const HAL_BEACON_TIMERS *bt) 963 { 964 uint32_t bperiod; 965 966 #if 0 967 HALASSERT(opmode == HAL_M_IBSS || opmode == HAL_M_HOSTAP); 968 if (opmode == HAL_M_IBSS) { 969 OS_REG_SET_BIT(ah, AR_TXCFG, AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY); 970 } 971 #endif 972 973 /* XXX TODO: should migrate the HAL code to always use ONE_EIGHTH_TU */ 974 OS_REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bt->bt_nexttbtt)); 975 OS_REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, ONE_EIGHTH_TU_TO_USEC(bt->bt_nextdba)); 976 OS_REG_WRITE(ah, AR_NEXT_SWBA, ONE_EIGHTH_TU_TO_USEC(bt->bt_nextswba)); 977 OS_REG_WRITE(ah, AR_NEXT_NDP_TIMER, TU_TO_USEC(bt->bt_nextatim)); 978 979 bperiod = TU_TO_USEC(bt->bt_intval & HAL_BEACON_PERIOD); 980 AH9300(ah)->ah_beaconInterval = bt->bt_intval & HAL_BEACON_PERIOD; 981 OS_REG_WRITE(ah, AR_BEACON_PERIOD, bperiod); 982 OS_REG_WRITE(ah, AR_DMA_BEACON_PERIOD, bperiod); 983 OS_REG_WRITE(ah, AR_SWBA_PERIOD, bperiod); 984 OS_REG_WRITE(ah, AR_NDP_PERIOD, bperiod); 985 986 /* 987 * Reset TSF if required. 988 */ 989 if (bt->bt_intval & HAL_BEACON_RESET_TSF) 990 ar9300_reset_tsf(ah); 991 992 /* enable timers */ 993 /* NB: flags == 0 handled specially for backwards compatibility */ 994 OS_REG_SET_BIT(ah, AR_TIMER_MODE, 995 bt->bt_flags != 0 ? bt->bt_flags : 996 AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN); 997 } 998 999 1000 /* 1001 * RF attach stubs 1002 */ 1003 1004 static HAL_BOOL 1005 rf9330_attach(struct ath_hal *ah, HAL_STATUS *status) 1006 { 1007 1008 (*status) = HAL_EINVAL; 1009 return (AH_FALSE); 1010 } 1011 1012 static HAL_BOOL 1013 rf9330_probe(struct ath_hal *ah) 1014 { 1015 return (AH_FALSE); 1016 } 1017 1018 AH_RF(RF9330, rf9330_probe, rf9330_attach); 1019
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