1 /* 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2008 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or 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 * $FreeBSD$ 18 */ 19 #include "opt_ah.h" 20 21 #include "ah.h" 22 #include "ah_internal.h" 23 #include "ah_devid.h" 24 25 #include "ar5212/ar5212.h" 26 #include "ar5212/ar5212reg.h" 27 #include "ar5212/ar5212phy.h" 28 29 #define AH_5212_COMMON 30 #include "ar5212/ar5212.ini" 31 32 static void ar5212ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, 33 HAL_BOOL power_off); 34 static void ar5212DisablePCIE(struct ath_hal *ah); 35 36 static const struct ath_hal_private ar5212hal = {{ 37 .ah_magic = AR5212_MAGIC, 38 39 .ah_getRateTable = ar5212GetRateTable, 40 .ah_detach = ar5212Detach, 41 42 /* Reset Functions */ 43 .ah_reset = ar5212Reset, 44 .ah_phyDisable = ar5212PhyDisable, 45 .ah_disable = ar5212Disable, 46 .ah_configPCIE = ar5212ConfigPCIE, 47 .ah_disablePCIE = ar5212DisablePCIE, 48 .ah_setPCUConfig = ar5212SetPCUConfig, 49 .ah_perCalibration = ar5212PerCalibration, 50 .ah_perCalibrationN = ar5212PerCalibrationN, 51 .ah_resetCalValid = ar5212ResetCalValid, 52 .ah_setTxPowerLimit = ar5212SetTxPowerLimit, 53 .ah_getChanNoise = ath_hal_getChanNoise, 54 55 /* Transmit functions */ 56 .ah_updateTxTrigLevel = ar5212UpdateTxTrigLevel, 57 .ah_setupTxQueue = ar5212SetupTxQueue, 58 .ah_setTxQueueProps = ar5212SetTxQueueProps, 59 .ah_getTxQueueProps = ar5212GetTxQueueProps, 60 .ah_releaseTxQueue = ar5212ReleaseTxQueue, 61 .ah_resetTxQueue = ar5212ResetTxQueue, 62 .ah_getTxDP = ar5212GetTxDP, 63 .ah_setTxDP = ar5212SetTxDP, 64 .ah_numTxPending = ar5212NumTxPending, 65 .ah_startTxDma = ar5212StartTxDma, 66 .ah_stopTxDma = ar5212StopTxDma, 67 .ah_setupTxDesc = ar5212SetupTxDesc, 68 .ah_setupXTxDesc = ar5212SetupXTxDesc, 69 .ah_fillTxDesc = ar5212FillTxDesc, 70 .ah_procTxDesc = ar5212ProcTxDesc, 71 .ah_getTxIntrQueue = ar5212GetTxIntrQueue, 72 .ah_reqTxIntrDesc = ar5212IntrReqTxDesc, 73 .ah_getTxCompletionRates = ar5212GetTxCompletionRates, 74 .ah_setTxDescLink = ar5212SetTxDescLink, 75 .ah_getTxDescLink = ar5212GetTxDescLink, 76 .ah_getTxDescLinkPtr = ar5212GetTxDescLinkPtr, 77 78 /* RX Functions */ 79 .ah_getRxDP = ar5212GetRxDP, 80 .ah_setRxDP = ar5212SetRxDP, 81 .ah_enableReceive = ar5212EnableReceive, 82 .ah_stopDmaReceive = ar5212StopDmaReceive, 83 .ah_startPcuReceive = ar5212StartPcuReceive, 84 .ah_stopPcuReceive = ar5212StopPcuReceive, 85 .ah_setMulticastFilter = ar5212SetMulticastFilter, 86 .ah_setMulticastFilterIndex = ar5212SetMulticastFilterIndex, 87 .ah_clrMulticastFilterIndex = ar5212ClrMulticastFilterIndex, 88 .ah_getRxFilter = ar5212GetRxFilter, 89 .ah_setRxFilter = ar5212SetRxFilter, 90 .ah_setupRxDesc = ar5212SetupRxDesc, 91 .ah_procRxDesc = ar5212ProcRxDesc, 92 .ah_rxMonitor = ar5212RxMonitor, 93 .ah_aniPoll = ar5212AniPoll, 94 .ah_procMibEvent = ar5212ProcessMibIntr, 95 96 /* Misc Functions */ 97 .ah_getCapability = ar5212GetCapability, 98 .ah_setCapability = ar5212SetCapability, 99 .ah_getDiagState = ar5212GetDiagState, 100 .ah_getMacAddress = ar5212GetMacAddress, 101 .ah_setMacAddress = ar5212SetMacAddress, 102 .ah_getBssIdMask = ar5212GetBssIdMask, 103 .ah_setBssIdMask = ar5212SetBssIdMask, 104 .ah_setRegulatoryDomain = ar5212SetRegulatoryDomain, 105 .ah_setLedState = ar5212SetLedState, 106 .ah_writeAssocid = ar5212WriteAssocid, 107 .ah_gpioCfgInput = ar5212GpioCfgInput, 108 .ah_gpioCfgOutput = ar5212GpioCfgOutput, 109 .ah_gpioGet = ar5212GpioGet, 110 .ah_gpioSet = ar5212GpioSet, 111 .ah_gpioSetIntr = ar5212GpioSetIntr, 112 .ah_getTsf32 = ar5212GetTsf32, 113 .ah_getTsf64 = ar5212GetTsf64, 114 .ah_setTsf64 = ar5212SetTsf64, 115 .ah_resetTsf = ar5212ResetTsf, 116 .ah_detectCardPresent = ar5212DetectCardPresent, 117 .ah_updateMibCounters = ar5212UpdateMibCounters, 118 .ah_getRfGain = ar5212GetRfgain, 119 .ah_getDefAntenna = ar5212GetDefAntenna, 120 .ah_setDefAntenna = ar5212SetDefAntenna, 121 .ah_getAntennaSwitch = ar5212GetAntennaSwitch, 122 .ah_setAntennaSwitch = ar5212SetAntennaSwitch, 123 .ah_setSifsTime = ar5212SetSifsTime, 124 .ah_getSifsTime = ar5212GetSifsTime, 125 .ah_setSlotTime = ar5212SetSlotTime, 126 .ah_getSlotTime = ar5212GetSlotTime, 127 .ah_setAckTimeout = ar5212SetAckTimeout, 128 .ah_getAckTimeout = ar5212GetAckTimeout, 129 .ah_setAckCTSRate = ar5212SetAckCTSRate, 130 .ah_getAckCTSRate = ar5212GetAckCTSRate, 131 .ah_setCTSTimeout = ar5212SetCTSTimeout, 132 .ah_getCTSTimeout = ar5212GetCTSTimeout, 133 .ah_setDecompMask = ar5212SetDecompMask, 134 .ah_setCoverageClass = ar5212SetCoverageClass, 135 .ah_setQuiet = ar5212SetQuiet, 136 .ah_getMibCycleCounts = ar5212GetMibCycleCounts, 137 138 /* DFS Functions */ 139 .ah_enableDfs = ar5212EnableDfs, 140 .ah_getDfsThresh = ar5212GetDfsThresh, 141 .ah_getDfsDefaultThresh = ar5212GetDfsDefaultThresh, 142 .ah_procRadarEvent = ar5212ProcessRadarEvent, 143 .ah_isFastClockEnabled = ar5212IsFastClockEnabled, 144 .ah_get11nExtBusy = ar5212Get11nExtBusy, 145 146 /* Key Cache Functions */ 147 .ah_getKeyCacheSize = ar5212GetKeyCacheSize, 148 .ah_resetKeyCacheEntry = ar5212ResetKeyCacheEntry, 149 .ah_isKeyCacheEntryValid = ar5212IsKeyCacheEntryValid, 150 .ah_setKeyCacheEntry = ar5212SetKeyCacheEntry, 151 .ah_setKeyCacheEntryMac = ar5212SetKeyCacheEntryMac, 152 153 /* Power Management Functions */ 154 .ah_setPowerMode = ar5212SetPowerMode, 155 .ah_getPowerMode = ar5212GetPowerMode, 156 157 /* Beacon Functions */ 158 .ah_setBeaconTimers = ar5212SetBeaconTimers, 159 .ah_beaconInit = ar5212BeaconInit, 160 .ah_setStationBeaconTimers = ar5212SetStaBeaconTimers, 161 .ah_resetStationBeaconTimers = ar5212ResetStaBeaconTimers, 162 .ah_getNextTBTT = ar5212GetNextTBTT, 163 164 /* Interrupt Functions */ 165 .ah_isInterruptPending = ar5212IsInterruptPending, 166 .ah_getPendingInterrupts = ar5212GetPendingInterrupts, 167 .ah_getInterrupts = ar5212GetInterrupts, 168 .ah_setInterrupts = ar5212SetInterrupts }, 169 170 .ah_getChannelEdges = ar5212GetChannelEdges, 171 .ah_getWirelessModes = ar5212GetWirelessModes, 172 .ah_eepromRead = ar5212EepromRead, 173 #ifdef AH_SUPPORT_WRITE_EEPROM 174 .ah_eepromWrite = ar5212EepromWrite, 175 #endif 176 .ah_getChipPowerLimits = ar5212GetChipPowerLimits, 177 }; 178 179 uint32_t 180 ar5212GetRadioRev(struct ath_hal *ah) 181 { 182 uint32_t val; 183 int i; 184 185 /* Read Radio Chip Rev Extract */ 186 OS_REG_WRITE(ah, AR_PHY(0x34), 0x00001c16); 187 for (i = 0; i < 8; i++) 188 OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000); 189 val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff; 190 val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4); 191 return ath_hal_reverseBits(val, 8); 192 } 193 194 static void 195 ar5212AniSetup(struct ath_hal *ah) 196 { 197 static const struct ar5212AniParams aniparams = { 198 .maxNoiseImmunityLevel = 4, /* levels 0..4 */ 199 .totalSizeDesired = { -55, -55, -55, -55, -62 }, 200 .coarseHigh = { -14, -14, -14, -14, -12 }, 201 .coarseLow = { -64, -64, -64, -64, -70 }, 202 .firpwr = { -78, -78, -78, -78, -80 }, 203 .maxSpurImmunityLevel = 2, /* NB: depends on chip rev */ 204 .cycPwrThr1 = { 2, 4, 6, 8, 10, 12, 14, 16 }, 205 .maxFirstepLevel = 2, /* levels 0..2 */ 206 .firstep = { 0, 4, 8 }, 207 .ofdmTrigHigh = 500, 208 .ofdmTrigLow = 200, 209 .cckTrigHigh = 200, 210 .cckTrigLow = 100, 211 .rssiThrHigh = 40, 212 .rssiThrLow = 7, 213 .period = 100, 214 }; 215 if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN) { 216 struct ar5212AniParams tmp; 217 OS_MEMCPY(&tmp, &aniparams, sizeof(struct ar5212AniParams)); 218 tmp.maxSpurImmunityLevel = 7; /* Venice and earlier */ 219 ar5212AniAttach(ah, &tmp, &tmp, AH_TRUE); 220 } else 221 ar5212AniAttach(ah, &aniparams, &aniparams, AH_TRUE); 222 223 /* Set overridable ANI methods */ 224 AH5212(ah)->ah_aniControl = ar5212AniControl; 225 } 226 227 /* 228 * Attach for an AR5212 part. 229 */ 230 void 231 ar5212InitState(struct ath_hal_5212 *ahp, uint16_t devid, HAL_SOFTC sc, 232 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status) 233 { 234 #define N(a) (sizeof(a)/sizeof(a[0])) 235 static const uint8_t defbssidmask[IEEE80211_ADDR_LEN] = 236 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 237 struct ath_hal *ah; 238 239 ah = &ahp->ah_priv.h; 240 /* set initial values */ 241 OS_MEMCPY(&ahp->ah_priv, &ar5212hal, sizeof(struct ath_hal_private)); 242 ah->ah_sc = sc; 243 ah->ah_st = st; 244 ah->ah_sh = sh; 245 246 ah->ah_devid = devid; /* NB: for alq */ 247 AH_PRIVATE(ah)->ah_devid = devid; 248 AH_PRIVATE(ah)->ah_subvendorid = 0; /* XXX */ 249 250 AH_PRIVATE(ah)->ah_powerLimit = MAX_RATE_POWER; 251 AH_PRIVATE(ah)->ah_tpScale = HAL_TP_SCALE_MAX; /* no scaling */ 252 253 ahp->ah_antControl = HAL_ANT_VARIABLE; 254 ahp->ah_diversity = AH_TRUE; 255 ahp->ah_bIQCalibration = AH_FALSE; 256 /* 257 * Enable MIC handling. 258 */ 259 ahp->ah_staId1Defaults = AR_STA_ID1_CRPT_MIC_ENABLE; 260 ahp->ah_rssiThr = INIT_RSSI_THR; 261 ahp->ah_tpcEnabled = AH_FALSE; /* disabled by default */ 262 ahp->ah_phyPowerOn = AH_FALSE; 263 ahp->ah_macTPC = SM(MAX_RATE_POWER, AR_TPC_ACK) 264 | SM(MAX_RATE_POWER, AR_TPC_CTS) 265 | SM(MAX_RATE_POWER, AR_TPC_CHIRP); 266 ahp->ah_beaconInterval = 100; /* XXX [20..1000] */ 267 ahp->ah_enable32kHzClock = DONT_USE_32KHZ;/* XXX */ 268 ahp->ah_slottime = (u_int) -1; 269 ahp->ah_acktimeout = (u_int) -1; 270 ahp->ah_ctstimeout = (u_int) -1; 271 ahp->ah_sifstime = (u_int) -1; 272 ahp->ah_txTrigLev = INIT_TX_FIFO_THRESHOLD, 273 ahp->ah_maxTxTrigLev = MAX_TX_FIFO_THRESHOLD, 274 275 OS_MEMCPY(&ahp->ah_bssidmask, defbssidmask, IEEE80211_ADDR_LEN); 276 #undef N 277 } 278 279 /* 280 * Validate MAC version and revision. 281 */ 282 static HAL_BOOL 283 ar5212IsMacSupported(uint8_t macVersion, uint8_t macRev) 284 { 285 #define N(a) (sizeof(a)/sizeof(a[0])) 286 static const struct { 287 uint8_t version; 288 uint8_t revMin, revMax; 289 } macs[] = { 290 { AR_SREV_VERSION_VENICE, 291 AR_SREV_D2PLUS, AR_SREV_REVISION_MAX }, 292 { AR_SREV_VERSION_GRIFFIN, 293 AR_SREV_D2PLUS, AR_SREV_REVISION_MAX }, 294 { AR_SREV_5413, 295 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX }, 296 { AR_SREV_5424, 297 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX }, 298 { AR_SREV_2425, 299 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX }, 300 { AR_SREV_2417, 301 AR_SREV_REVISION_MIN, AR_SREV_REVISION_MAX }, 302 }; 303 int i; 304 305 for (i = 0; i < N(macs); i++) 306 if (macs[i].version == macVersion && 307 macs[i].revMin <= macRev && macRev <= macs[i].revMax) 308 return AH_TRUE; 309 return AH_FALSE; 310 #undef N 311 } 312 313 /* 314 * Attach for an AR5212 part. 315 */ 316 static struct ath_hal * 317 ar5212Attach(uint16_t devid, HAL_SOFTC sc, 318 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata, 319 HAL_STATUS *status) 320 { 321 #define AH_EEPROM_PROTECT(ah) \ 322 (AH_PRIVATE(ah)->ah_ispcie)? AR_EEPROM_PROTECT_PCIE : AR_EEPROM_PROTECT) 323 struct ath_hal_5212 *ahp; 324 struct ath_hal *ah; 325 struct ath_hal_rf *rf; 326 uint32_t val; 327 uint16_t eeval; 328 HAL_STATUS ecode; 329 330 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n", 331 __func__, sc, (void*) st, (void*) sh); 332 333 /* NB: memory is returned zero'd */ 334 ahp = ath_hal_malloc(sizeof (struct ath_hal_5212)); 335 if (ahp == AH_NULL) { 336 HALDEBUG(AH_NULL, HAL_DEBUG_ANY, 337 "%s: cannot allocate memory for state block\n", __func__); 338 *status = HAL_ENOMEM; 339 return AH_NULL; 340 } 341 ar5212InitState(ahp, devid, sc, st, sh, status); 342 ah = &ahp->ah_priv.h; 343 344 if (!ar5212SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) { 345 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", 346 __func__); 347 ecode = HAL_EIO; 348 goto bad; 349 } 350 /* Read Revisions from Chips before taking out of reset */ 351 val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID; 352 AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S; 353 AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION; 354 AH_PRIVATE(ah)->ah_ispcie = IS_5424(ah) || IS_2425(ah); 355 356 if (!ar5212IsMacSupported(AH_PRIVATE(ah)->ah_macVersion, AH_PRIVATE(ah)->ah_macRev)) { 357 HALDEBUG(ah, HAL_DEBUG_ANY, 358 "%s: Mac Chip Rev 0x%02x.%x not supported\n" , 359 __func__, AH_PRIVATE(ah)->ah_macVersion, 360 AH_PRIVATE(ah)->ah_macRev); 361 ecode = HAL_ENOTSUPP; 362 goto bad; 363 } 364 365 /* setup common ini data; rf backends handle remainder */ 366 HAL_INI_INIT(&ahp->ah_ini_modes, ar5212Modes, 6); 367 HAL_INI_INIT(&ahp->ah_ini_common, ar5212Common, 2); 368 369 if (!ar5212ChipReset(ah, AH_NULL)) { /* reset chip */ 370 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__); 371 ecode = HAL_EIO; 372 goto bad; 373 } 374 375 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID); 376 377 if (AH_PRIVATE(ah)->ah_ispcie) { 378 /* XXX: build flag to disable this? */ 379 ath_hal_configPCIE(ah, AH_FALSE, AH_FALSE); 380 } 381 382 if (!ar5212ChipTest(ah)) { 383 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n", 384 __func__); 385 ecode = HAL_ESELFTEST; 386 goto bad; 387 } 388 389 /* Enable PCI core retry fix in software for Hainan and up */ 390 if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_VENICE) 391 OS_REG_SET_BIT(ah, AR_PCICFG, AR_PCICFG_RETRYFIXEN); 392 393 /* 394 * Set correct Baseband to analog shift 395 * setting to access analog chips. 396 */ 397 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 398 399 /* Read Radio Chip Rev Extract */ 400 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah); 401 402 rf = ath_hal_rfprobe(ah, &ecode); 403 if (rf == AH_NULL) 404 goto bad; 405 406 /* NB: silently accept anything in release code per Atheros */ 407 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) { 408 case AR_RAD5111_SREV_MAJOR: 409 case AR_RAD5112_SREV_MAJOR: 410 case AR_RAD2112_SREV_MAJOR: 411 case AR_RAD2111_SREV_MAJOR: 412 case AR_RAD2413_SREV_MAJOR: 413 case AR_RAD5413_SREV_MAJOR: 414 case AR_RAD5424_SREV_MAJOR: 415 break; 416 default: 417 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) { 418 /* 419 * When RF_Silent is used, the 420 * analog chip is reset. So when the system boots 421 * up with the radio switch off we cannot determine 422 * the RF chip rev. To workaround this check the 423 * mac+phy revs and if Hainan, set the radio rev 424 * to Derby. 425 */ 426 if (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE && 427 AH_PRIVATE(ah)->ah_macRev == AR_SREV_HAINAN && 428 AH_PRIVATE(ah)->ah_phyRev == AR_PHYREV_HAINAN) { 429 AH_PRIVATE(ah)->ah_analog5GhzRev = AR_ANALOG5REV_HAINAN; 430 break; 431 } 432 if (IS_2413(ah)) { /* Griffin */ 433 AH_PRIVATE(ah)->ah_analog5GhzRev = 434 AR_RAD2413_SREV_MAJOR | 0x1; 435 break; 436 } 437 if (IS_5413(ah)) { /* Eagle */ 438 AH_PRIVATE(ah)->ah_analog5GhzRev = 439 AR_RAD5413_SREV_MAJOR | 0x2; 440 break; 441 } 442 if (IS_2425(ah) || IS_2417(ah)) {/* Swan or Nala */ 443 AH_PRIVATE(ah)->ah_analog5GhzRev = 444 AR_RAD5424_SREV_MAJOR | 0x2; 445 break; 446 } 447 } 448 #ifdef AH_DEBUG 449 HALDEBUG(ah, HAL_DEBUG_ANY, 450 "%s: 5G Radio Chip Rev 0x%02X is not supported by " 451 "this driver\n", 452 __func__, AH_PRIVATE(ah)->ah_analog5GhzRev); 453 ecode = HAL_ENOTSUPP; 454 goto bad; 455 #endif 456 } 457 if (IS_RAD5112_REV1(ah)) { 458 HALDEBUG(ah, HAL_DEBUG_ANY, 459 "%s: 5112 Rev 1 is not supported by this " 460 "driver (analog5GhzRev 0x%x)\n", __func__, 461 AH_PRIVATE(ah)->ah_analog5GhzRev); 462 ecode = HAL_ENOTSUPP; 463 goto bad; 464 } 465 466 val = OS_REG_READ(ah, AR_PCICFG); 467 val = MS(val, AR_PCICFG_EEPROM_SIZE); 468 if (val == 0) { 469 if (!AH_PRIVATE(ah)->ah_ispcie) { 470 HALDEBUG(ah, HAL_DEBUG_ANY, 471 "%s: unsupported EEPROM size %u (0x%x) found\n", 472 __func__, val, val); 473 ecode = HAL_EESIZE; 474 goto bad; 475 } 476 /* XXX AH_PRIVATE(ah)->ah_isPciExpress = AH_TRUE; */ 477 } else if (val != AR_PCICFG_EEPROM_SIZE_16K) { 478 if (AR_PCICFG_EEPROM_SIZE_FAILED == val) { 479 HALDEBUG(ah, HAL_DEBUG_ANY, 480 "%s: unsupported EEPROM size %u (0x%x) found\n", 481 __func__, val, val); 482 ecode = HAL_EESIZE; 483 goto bad; 484 } 485 HALDEBUG(ah, HAL_DEBUG_ANY, 486 "%s: EEPROM size = %d. Must be %d (16k).\n", 487 __func__, val, AR_PCICFG_EEPROM_SIZE_16K); 488 ecode = HAL_EESIZE; 489 goto bad; 490 } 491 ecode = ath_hal_legacyEepromAttach(ah); 492 if (ecode != HAL_OK) { 493 goto bad; 494 } 495 ahp->ah_isHb63 = IS_2425(ah) && ath_hal_eepromGetFlag(ah, AR_EEP_ISTALON); 496 497 /* 498 * If Bmode and AR5212, verify 2.4 analog exists 499 */ 500 if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) && 501 (AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD5111_SREV_MAJOR) { 502 /* 503 * Set correct Baseband to analog shift 504 * setting to access analog chips. 505 */ 506 OS_REG_WRITE(ah, AR_PHY(0), 0x00004007); 507 OS_DELAY(2000); 508 AH_PRIVATE(ah)->ah_analog2GhzRev = ar5212GetRadioRev(ah); 509 510 /* Set baseband for 5GHz chip */ 511 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007); 512 OS_DELAY(2000); 513 if ((AH_PRIVATE(ah)->ah_analog2GhzRev & 0xF0) != AR_RAD2111_SREV_MAJOR) { 514 HALDEBUG(ah, HAL_DEBUG_ANY, 515 "%s: 2G Radio Chip Rev 0x%02X is not " 516 "supported by this driver\n", __func__, 517 AH_PRIVATE(ah)->ah_analog2GhzRev); 518 ecode = HAL_ENOTSUPP; 519 goto bad; 520 } 521 } 522 523 ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval); 524 if (ecode != HAL_OK) { 525 HALDEBUG(ah, HAL_DEBUG_ANY, 526 "%s: cannot read regulatory domain from EEPROM\n", 527 __func__); 528 goto bad; 529 } 530 AH_PRIVATE(ah)->ah_currentRD = eeval; 531 /* XXX record serial number */ 532 533 /* 534 * Got everything we need now to setup the capabilities. 535 */ 536 if (!ar5212FillCapabilityInfo(ah)) { 537 HALDEBUG(ah, HAL_DEBUG_ANY, 538 "%s: failed ar5212FillCapabilityInfo\n", __func__); 539 ecode = HAL_EEREAD; 540 goto bad; 541 } 542 543 if (!rf->attach(ah, &ecode)) { 544 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n", 545 __func__, ecode); 546 goto bad; 547 } 548 /* 549 * Set noise floor adjust method; we arrange a 550 * direct call instead of thunking. 551 */ 552 AH_PRIVATE(ah)->ah_getNfAdjust = ahp->ah_rfHal->getNfAdjust; 553 554 /* Initialize gain ladder thermal calibration structure */ 555 ar5212InitializeGainValues(ah); 556 557 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr); 558 if (ecode != HAL_OK) { 559 HALDEBUG(ah, HAL_DEBUG_ANY, 560 "%s: error getting mac address from EEPROM\n", __func__); 561 goto bad; 562 } 563 564 ar5212AniSetup(ah); 565 /* Setup of Radar/AR structures happens in ath_hal_initchannels*/ 566 ar5212InitNfCalHistBuffer(ah); 567 568 /* XXX EAR stuff goes here */ 569 570 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__); 571 572 return ah; 573 574 bad: 575 if (ahp) 576 ar5212Detach((struct ath_hal *) ahp); 577 if (status) 578 *status = ecode; 579 return AH_NULL; 580 #undef AH_EEPROM_PROTECT 581 } 582 583 void 584 ar5212Detach(struct ath_hal *ah) 585 { 586 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__); 587 588 HALASSERT(ah != AH_NULL); 589 HALASSERT(ah->ah_magic == AR5212_MAGIC); 590 591 ar5212AniDetach(ah); 592 ar5212RfDetach(ah); 593 ar5212Disable(ah); 594 ar5212SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE); 595 596 ath_hal_eepromDetach(ah); 597 ath_hal_free(ah); 598 } 599 600 HAL_BOOL 601 ar5212ChipTest(struct ath_hal *ah) 602 { 603 uint32_t regAddr[2] = { AR_STA_ID0, AR_PHY_BASE+(8 << 2) }; 604 uint32_t regHold[2]; 605 uint32_t patternData[4] = 606 { 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999 }; 607 int i, j; 608 609 /* Test PHY & MAC registers */ 610 for (i = 0; i < 2; i++) { 611 uint32_t addr = regAddr[i]; 612 uint32_t wrData, rdData; 613 614 regHold[i] = OS_REG_READ(ah, addr); 615 for (j = 0; j < 0x100; j++) { 616 wrData = (j << 16) | j; 617 OS_REG_WRITE(ah, addr, wrData); 618 rdData = OS_REG_READ(ah, addr); 619 if (rdData != wrData) { 620 HALDEBUG(ah, HAL_DEBUG_ANY, 621 "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n", 622 __func__, addr, wrData, rdData); 623 return AH_FALSE; 624 } 625 } 626 for (j = 0; j < 4; j++) { 627 wrData = patternData[j]; 628 OS_REG_WRITE(ah, addr, wrData); 629 rdData = OS_REG_READ(ah, addr); 630 if (wrData != rdData) { 631 HALDEBUG(ah, HAL_DEBUG_ANY, 632 "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n", 633 __func__, addr, wrData, rdData); 634 return AH_FALSE; 635 } 636 } 637 OS_REG_WRITE(ah, regAddr[i], regHold[i]); 638 } 639 OS_DELAY(100); 640 return AH_TRUE; 641 } 642 643 /* 644 * Store the channel edges for the requested operational mode 645 */ 646 HAL_BOOL 647 ar5212GetChannelEdges(struct ath_hal *ah, 648 uint16_t flags, uint16_t *low, uint16_t *high) 649 { 650 if (flags & IEEE80211_CHAN_5GHZ) { 651 *low = 4915; 652 *high = 6100; 653 return AH_TRUE; 654 } 655 if ((flags & IEEE80211_CHAN_2GHZ) && 656 (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) || 657 ath_hal_eepromGetFlag(ah, AR_EEP_GMODE))) { 658 *low = 2312; 659 *high = 2732; 660 return AH_TRUE; 661 } 662 return AH_FALSE; 663 } 664 665 /* 666 * Disable PLL when in L0s as well as receiver clock when in L1. 667 * This power saving option must be enabled through the Serdes. 668 * 669 * Programming the Serdes must go through the same 288 bit serial shift 670 * register as the other analog registers. Hence the 9 writes. 671 * 672 * XXX Clean up the magic numbers. 673 */ 674 static void 675 ar5212ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore, HAL_BOOL power_off) 676 { 677 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00); 678 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924); 679 680 /* RX shut off when elecidle is asserted */ 681 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039); 682 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824); 683 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579); 684 685 /* Shut off PLL and CLKREQ active in L1 */ 686 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff); 687 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40); 688 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554); 689 OS_REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007); 690 691 /* Load the new settings */ 692 OS_REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); 693 } 694 695 static void 696 ar5212DisablePCIE(struct ath_hal *ah) 697 { 698 /* NB: fill in for 9100 */ 699 } 700 701 /* 702 * Fill all software cached or static hardware state information. 703 * Return failure if capabilities are to come from EEPROM and 704 * cannot be read. 705 */ 706 HAL_BOOL 707 ar5212FillCapabilityInfo(struct ath_hal *ah) 708 { 709 #define AR_KEYTABLE_SIZE 128 710 #define IS_GRIFFIN_LITE(ah) \ 711 (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_GRIFFIN && \ 712 AH_PRIVATE(ah)->ah_macRev == AR_SREV_GRIFFIN_LITE) 713 #define IS_COBRA(ah) \ 714 (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_COBRA) 715 #define IS_2112(ah) \ 716 ((AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD2112_SREV_MAJOR) 717 718 struct ath_hal_private *ahpriv = AH_PRIVATE(ah); 719 HAL_CAPABILITIES *pCap = &ahpriv->ah_caps; 720 uint16_t capField, val; 721 722 /* Read the capability EEPROM location */ 723 if (ath_hal_eepromGet(ah, AR_EEP_OPCAP, &capField) != HAL_OK) { 724 HALDEBUG(ah, HAL_DEBUG_ANY, 725 "%s: unable to read caps from eeprom\n", __func__); 726 return AH_FALSE; 727 } 728 if (IS_2112(ah)) 729 ath_hal_eepromSet(ah, AR_EEP_AMODE, AH_FALSE); 730 if (capField == 0 && IS_GRIFFIN_LITE(ah)) { 731 /* 732 * For griffin-lite cards with unprogrammed capabilities. 733 */ 734 ath_hal_eepromSet(ah, AR_EEP_COMPRESS, AH_FALSE); 735 ath_hal_eepromSet(ah, AR_EEP_FASTFRAME, AH_FALSE); 736 ath_hal_eepromSet(ah, AR_EEP_TURBO5DISABLE, AH_TRUE); 737 ath_hal_eepromSet(ah, AR_EEP_TURBO2DISABLE, AH_TRUE); 738 HALDEBUG(ah, HAL_DEBUG_ATTACH, 739 "%s: override caps for griffin-lite, now 0x%x (+!turbo)\n", 740 __func__, capField); 741 } 742 743 /* Modify reg domain on newer cards that need to work with older sw */ 744 if (ahpriv->ah_opmode != HAL_M_HOSTAP && 745 ahpriv->ah_subvendorid == AR_SUBVENDOR_ID_NEW_A) { 746 if (ahpriv->ah_currentRD == 0x64 || 747 ahpriv->ah_currentRD == 0x65) 748 ahpriv->ah_currentRD += 5; 749 else if (ahpriv->ah_currentRD == 0x41) 750 ahpriv->ah_currentRD = 0x43; 751 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: regdomain mapped to 0x%x\n", 752 __func__, ahpriv->ah_currentRD); 753 } 754 755 if (AH_PRIVATE(ah)->ah_macVersion == AR_SREV_2417 || 756 AH_PRIVATE(ah)->ah_macVersion == AR_SREV_2425) { 757 HALDEBUG(ah, HAL_DEBUG_ATTACH, 758 "%s: enable Bmode and disable turbo for Swan/Nala\n", 759 __func__); 760 ath_hal_eepromSet(ah, AR_EEP_BMODE, AH_TRUE); 761 ath_hal_eepromSet(ah, AR_EEP_COMPRESS, AH_FALSE); 762 ath_hal_eepromSet(ah, AR_EEP_FASTFRAME, AH_FALSE); 763 ath_hal_eepromSet(ah, AR_EEP_TURBO5DISABLE, AH_TRUE); 764 ath_hal_eepromSet(ah, AR_EEP_TURBO2DISABLE, AH_TRUE); 765 } 766 767 /* Construct wireless mode from EEPROM */ 768 pCap->halWirelessModes = 0; 769 if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) { 770 pCap->halWirelessModes |= HAL_MODE_11A; 771 if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO5DISABLE)) 772 pCap->halWirelessModes |= HAL_MODE_TURBO; 773 } 774 if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE)) 775 pCap->halWirelessModes |= HAL_MODE_11B; 776 if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE) && 777 ahpriv->ah_subvendorid != AR_SUBVENDOR_ID_NOG) { 778 pCap->halWirelessModes |= HAL_MODE_11G; 779 if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO2DISABLE)) 780 pCap->halWirelessModes |= HAL_MODE_108G; 781 } 782 783 pCap->halLow2GhzChan = 2312; 784 /* XXX 2417 too? */ 785 if (IS_RAD5112_ANY(ah) || IS_5413(ah) || IS_2425(ah) || IS_2417(ah)) 786 pCap->halHigh2GhzChan = 2500; 787 else 788 pCap->halHigh2GhzChan = 2732; 789 790 /* 791 * For AR5111 version < 4, the lowest centre frequency supported is 792 * 5130MHz. For AR5111 version 4, the 4.9GHz channels are supported 793 * but only in 10MHz increments. 794 * 795 * In addition, the programming method is wrong - it uses the IEEE 796 * channel number to calculate the frequency, rather than the 797 * channel centre. Since half/quarter rates re-use some of the 798 * 5GHz channel IEEE numbers, this will result in a badly programmed 799 * synth. 800 * 801 * Until the relevant support is written, just limit lower frequency 802 * support for AR5111 so things aren't incorrectly programmed. 803 * 804 * XXX It's also possible this code doesn't correctly limit the 805 * centre frequencies of potential channels; this is very important 806 * for half/quarter rate! 807 */ 808 if (AH_RADIO_MAJOR(ah) == AR_RAD5111_SREV_MAJOR) { 809 pCap->halLow5GhzChan = 5120; /* XXX lowest centre = 5130MHz */ 810 } else { 811 pCap->halLow5GhzChan = 4915; 812 } 813 pCap->halHigh5GhzChan = 6100; 814 815 pCap->halCipherCkipSupport = AH_FALSE; 816 pCap->halCipherTkipSupport = AH_TRUE; 817 pCap->halCipherAesCcmSupport = 818 (ath_hal_eepromGetFlag(ah, AR_EEP_AES) && 819 ((AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE) || 820 ((AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE) && 821 (AH_PRIVATE(ah)->ah_macRev >= AR_SREV_VERSION_OAHU)))); 822 823 pCap->halMicCkipSupport = AH_FALSE; 824 pCap->halMicTkipSupport = AH_TRUE; 825 pCap->halMicAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES); 826 /* 827 * Starting with Griffin TX+RX mic keys can be combined 828 * in one key cache slot. 829 */ 830 if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_GRIFFIN) 831 pCap->halTkipMicTxRxKeySupport = AH_TRUE; 832 else 833 pCap->halTkipMicTxRxKeySupport = AH_FALSE; 834 pCap->halChanSpreadSupport = AH_TRUE; 835 pCap->halSleepAfterBeaconBroken = AH_TRUE; 836 837 if (ahpriv->ah_macRev > 1 || IS_COBRA(ah)) { 838 pCap->halCompressSupport = 839 ath_hal_eepromGetFlag(ah, AR_EEP_COMPRESS) && 840 (pCap->halWirelessModes & (HAL_MODE_11A|HAL_MODE_11G)) != 0; 841 pCap->halBurstSupport = ath_hal_eepromGetFlag(ah, AR_EEP_BURST); 842 pCap->halFastFramesSupport = 843 ath_hal_eepromGetFlag(ah, AR_EEP_FASTFRAME) && 844 (pCap->halWirelessModes & (HAL_MODE_11A|HAL_MODE_11G)) != 0; 845 pCap->halChapTuningSupport = AH_TRUE; 846 pCap->halTurboPrimeSupport = AH_TRUE; 847 } 848 pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G; 849 850 pCap->halPSPollBroken = AH_TRUE; /* XXX fixed in later revs? */ 851 pCap->halNumMRRetries = 4; /* Hardware supports 4 MRR */ 852 pCap->halNumTxMaps = 1; /* Single TX ptr per descr */ 853 pCap->halVEOLSupport = AH_TRUE; 854 pCap->halBssIdMaskSupport = AH_TRUE; 855 pCap->halMcastKeySrchSupport = AH_TRUE; 856 if ((ahpriv->ah_macVersion == AR_SREV_VERSION_VENICE && 857 ahpriv->ah_macRev == 8) || 858 ahpriv->ah_macVersion > AR_SREV_VERSION_VENICE) 859 pCap->halTsfAddSupport = AH_TRUE; 860 861 if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK) 862 pCap->halTotalQueues = val; 863 else 864 pCap->halTotalQueues = HAL_NUM_TX_QUEUES; 865 866 if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK) 867 pCap->halKeyCacheSize = val; 868 else 869 pCap->halKeyCacheSize = AR_KEYTABLE_SIZE; 870 871 pCap->halChanHalfRate = AH_TRUE; 872 pCap->halChanQuarterRate = AH_TRUE; 873 874 /* 875 * RSSI uses the combined field; some 11n NICs may use 876 * the control chain RSSI. 877 */ 878 pCap->halUseCombinedRadarRssi = AH_TRUE; 879 880 if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) && 881 ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) { 882 /* NB: enabled by default */ 883 ahpriv->ah_rfkillEnabled = AH_TRUE; 884 pCap->halRfSilentSupport = AH_TRUE; 885 } 886 887 /* NB: this is a guess, noone seems to know the answer */ 888 ahpriv->ah_rxornIsFatal = 889 (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_VENICE); 890 891 /* enable features that first appeared in Hainan */ 892 if ((AH_PRIVATE(ah)->ah_macVersion == AR_SREV_VERSION_VENICE && 893 AH_PRIVATE(ah)->ah_macRev == AR_SREV_HAINAN) || 894 AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_VENICE) { 895 /* h/w phy counters */ 896 pCap->halHwPhyCounterSupport = AH_TRUE; 897 /* bssid match disable */ 898 pCap->halBssidMatchSupport = AH_TRUE; 899 } 900 901 pCap->halTstampPrecision = 15; 902 pCap->halIntrMask = HAL_INT_COMMON 903 | HAL_INT_RX 904 | HAL_INT_TX 905 | HAL_INT_FATAL 906 | HAL_INT_BNR 907 | HAL_INT_BMISC 908 ; 909 if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_GRIFFIN) 910 pCap->halIntrMask &= ~HAL_INT_TBTT; 911 912 pCap->hal4kbSplitTransSupport = AH_TRUE; 913 pCap->halHasRxSelfLinkedTail = AH_TRUE; 914 915 return AH_TRUE; 916 #undef IS_COBRA 917 #undef IS_GRIFFIN_LITE 918 #undef AR_KEYTABLE_SIZE 919 } 920 921 static const char* 922 ar5212Probe(uint16_t vendorid, uint16_t devid) 923 { 924 if (vendorid == ATHEROS_VENDOR_ID || 925 vendorid == ATHEROS_3COM_VENDOR_ID || 926 vendorid == ATHEROS_3COM2_VENDOR_ID) { 927 switch (devid) { 928 case AR5212_FPGA: 929 return "Atheros 5212 (FPGA)"; 930 case AR5212_DEVID: 931 case AR5212_DEVID_IBM: 932 case AR5212_DEFAULT: 933 return "Atheros 5212"; 934 case AR5212_AR2413: 935 return "Atheros 2413"; 936 case AR5212_AR2417: 937 return "Atheros 2417"; 938 case AR5212_AR5413: 939 return "Atheros 5413"; 940 case AR5212_AR5424: 941 return "Atheros 5424/2424"; 942 } 943 } 944 return AH_NULL; 945 } 946 AH_CHIP(AR5212, ar5212Probe, ar5212Attach); 947