/* * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting * Copyright (c) 2002-2006 Atheros Communications, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * $FreeBSD$ */ #include "opt_ah.h" #include "ah.h" #include "ah_internal.h" #include "ah_devid.h" #include "ar5211/ar5211.h" #include "ar5211/ar5211reg.h" #include "ar5211/ar5211phy.h" #include "ah_eeprom_v3.h" static HAL_BOOL ar5211GetChannelEdges(struct ath_hal *ah, uint16_t flags, uint16_t *low, uint16_t *high); static HAL_BOOL ar5211GetChipPowerLimits(struct ath_hal *ah, struct ieee80211_channel *chan); static void ar5211ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore); static void ar5211DisablePCIE(struct ath_hal *ah); static const struct ath_hal_private ar5211hal = {{ .ah_magic = AR5211_MAGIC, .ah_getRateTable = ar5211GetRateTable, .ah_detach = ar5211Detach, /* Reset Functions */ .ah_reset = ar5211Reset, .ah_phyDisable = ar5211PhyDisable, .ah_disable = ar5211Disable, .ah_configPCIE = ar5211ConfigPCIE, .ah_disablePCIE = ar5211DisablePCIE, .ah_setPCUConfig = ar5211SetPCUConfig, .ah_perCalibration = ar5211PerCalibration, .ah_perCalibrationN = ar5211PerCalibrationN, .ah_resetCalValid = ar5211ResetCalValid, .ah_setTxPowerLimit = ar5211SetTxPowerLimit, .ah_getChanNoise = ath_hal_getChanNoise, /* Transmit functions */ .ah_updateTxTrigLevel = ar5211UpdateTxTrigLevel, .ah_setupTxQueue = ar5211SetupTxQueue, .ah_setTxQueueProps = ar5211SetTxQueueProps, .ah_getTxQueueProps = ar5211GetTxQueueProps, .ah_releaseTxQueue = ar5211ReleaseTxQueue, .ah_resetTxQueue = ar5211ResetTxQueue, .ah_getTxDP = ar5211GetTxDP, .ah_setTxDP = ar5211SetTxDP, .ah_numTxPending = ar5211NumTxPending, .ah_startTxDma = ar5211StartTxDma, .ah_stopTxDma = ar5211StopTxDma, .ah_setupTxDesc = ar5211SetupTxDesc, .ah_setupXTxDesc = ar5211SetupXTxDesc, .ah_fillTxDesc = ar5211FillTxDesc, .ah_procTxDesc = ar5211ProcTxDesc, .ah_getTxIntrQueue = ar5211GetTxIntrQueue, .ah_reqTxIntrDesc = ar5211IntrReqTxDesc, .ah_getTxCompletionRates = ar5211GetTxCompletionRates, /* RX Functions */ .ah_getRxDP = ar5211GetRxDP, .ah_setRxDP = ar5211SetRxDP, .ah_enableReceive = ar5211EnableReceive, .ah_stopDmaReceive = ar5211StopDmaReceive, .ah_startPcuReceive = ar5211StartPcuReceive, .ah_stopPcuReceive = ar5211StopPcuReceive, .ah_setMulticastFilter = ar5211SetMulticastFilter, .ah_setMulticastFilterIndex = ar5211SetMulticastFilterIndex, .ah_clrMulticastFilterIndex = ar5211ClrMulticastFilterIndex, .ah_getRxFilter = ar5211GetRxFilter, .ah_setRxFilter = ar5211SetRxFilter, .ah_setupRxDesc = ar5211SetupRxDesc, .ah_procRxDesc = ar5211ProcRxDesc, .ah_rxMonitor = ar5211RxMonitor, .ah_aniPoll = ar5211AniPoll, .ah_procMibEvent = ar5211MibEvent, /* Misc Functions */ .ah_getCapability = ar5211GetCapability, .ah_setCapability = ar5211SetCapability, .ah_getDiagState = ar5211GetDiagState, .ah_getMacAddress = ar5211GetMacAddress, .ah_setMacAddress = ar5211SetMacAddress, .ah_getBssIdMask = ar5211GetBssIdMask, .ah_setBssIdMask = ar5211SetBssIdMask, .ah_setRegulatoryDomain = ar5211SetRegulatoryDomain, .ah_setLedState = ar5211SetLedState, .ah_writeAssocid = ar5211WriteAssocid, .ah_gpioCfgInput = ar5211GpioCfgInput, .ah_gpioCfgOutput = ar5211GpioCfgOutput, .ah_gpioGet = ar5211GpioGet, .ah_gpioSet = ar5211GpioSet, .ah_gpioSetIntr = ar5211GpioSetIntr, .ah_getTsf32 = ar5211GetTsf32, .ah_getTsf64 = ar5211GetTsf64, .ah_resetTsf = ar5211ResetTsf, .ah_detectCardPresent = ar5211DetectCardPresent, .ah_updateMibCounters = ar5211UpdateMibCounters, .ah_getRfGain = ar5211GetRfgain, .ah_getDefAntenna = ar5211GetDefAntenna, .ah_setDefAntenna = ar5211SetDefAntenna, .ah_getAntennaSwitch = ar5211GetAntennaSwitch, .ah_setAntennaSwitch = ar5211SetAntennaSwitch, .ah_setSifsTime = ar5211SetSifsTime, .ah_getSifsTime = ar5211GetSifsTime, .ah_setSlotTime = ar5211SetSlotTime, .ah_getSlotTime = ar5211GetSlotTime, .ah_setAckTimeout = ar5211SetAckTimeout, .ah_getAckTimeout = ar5211GetAckTimeout, .ah_setAckCTSRate = ar5211SetAckCTSRate, .ah_getAckCTSRate = ar5211GetAckCTSRate, .ah_setCTSTimeout = ar5211SetCTSTimeout, .ah_getCTSTimeout = ar5211GetCTSTimeout, .ah_setDecompMask = ar5211SetDecompMask, .ah_setCoverageClass = ar5211SetCoverageClass, /* Key Cache Functions */ .ah_getKeyCacheSize = ar5211GetKeyCacheSize, .ah_resetKeyCacheEntry = ar5211ResetKeyCacheEntry, .ah_isKeyCacheEntryValid = ar5211IsKeyCacheEntryValid, .ah_setKeyCacheEntry = ar5211SetKeyCacheEntry, .ah_setKeyCacheEntryMac = ar5211SetKeyCacheEntryMac, /* Power Management Functions */ .ah_setPowerMode = ar5211SetPowerMode, .ah_getPowerMode = ar5211GetPowerMode, /* Beacon Functions */ .ah_setBeaconTimers = ar5211SetBeaconTimers, .ah_beaconInit = ar5211BeaconInit, .ah_setStationBeaconTimers = ar5211SetStaBeaconTimers, .ah_resetStationBeaconTimers = ar5211ResetStaBeaconTimers, .ah_getNextTBTT = ar5211GetNextTBTT, /* Interrupt Functions */ .ah_isInterruptPending = ar5211IsInterruptPending, .ah_getPendingInterrupts = ar5211GetPendingInterrupts, .ah_getInterrupts = ar5211GetInterrupts, .ah_setInterrupts = ar5211SetInterrupts }, .ah_getChannelEdges = ar5211GetChannelEdges, .ah_getWirelessModes = ar5211GetWirelessModes, .ah_eepromRead = ar5211EepromRead, #ifdef AH_SUPPORT_WRITE_EEPROM .ah_eepromWrite = ar5211EepromWrite, #endif .ah_getChipPowerLimits = ar5211GetChipPowerLimits, }; static HAL_BOOL ar5211ChipTest(struct ath_hal *); static HAL_BOOL ar5211FillCapabilityInfo(struct ath_hal *ah); /* * Return the revsion id for the radio chip. This * fetched via the PHY. */ static uint32_t ar5211GetRadioRev(struct ath_hal *ah) { uint32_t val; int i; OS_REG_WRITE(ah, (AR_PHY_BASE + (0x34 << 2)), 0x00001c16); for (i = 0; i < 8; i++) OS_REG_WRITE(ah, (AR_PHY_BASE + (0x20 << 2)), 0x00010000); val = (OS_REG_READ(ah, AR_PHY_BASE + (256 << 2)) >> 24) & 0xff; val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4); return ath_hal_reverseBits(val, 8); } /* * Attach for an AR5211 part. */ static struct ath_hal * ar5211Attach(uint16_t devid, HAL_SOFTC sc, HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata, HAL_STATUS *status) { #define N(a) (sizeof(a)/sizeof(a[0])) struct ath_hal_5211 *ahp; struct ath_hal *ah; uint32_t val; uint16_t eeval; HAL_STATUS ecode; HALDEBUG_G(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n", __func__, sc, (void*) st, (void*) sh); /* NB: memory is returned zero'd */ ahp = ath_hal_malloc(sizeof (struct ath_hal_5211)); if (ahp == AH_NULL) { HALDEBUG_G(AH_NULL, HAL_DEBUG_ANY, "%s: cannot allocate memory for state block\n", __func__); ecode = HAL_ENOMEM; goto bad; } ah = &ahp->ah_priv.h; /* set initial values */ OS_MEMCPY(&ahp->ah_priv, &ar5211hal, sizeof(struct ath_hal_private)); ah->ah_sc = sc; ah->ah_st = st; ah->ah_sh = sh; ah->ah_devid = devid; /* NB: for AH_DEBUG_ALQ */ AH_PRIVATE(ah)->ah_devid = devid; AH_PRIVATE(ah)->ah_subvendorid = 0; /* XXX */ AH_PRIVATE(ah)->ah_powerLimit = MAX_RATE_POWER; AH_PRIVATE(ah)->ah_tpScale = HAL_TP_SCALE_MAX; /* no scaling */ ahp->ah_diversityControl = HAL_ANT_VARIABLE; ahp->ah_staId1Defaults = 0; ahp->ah_rssiThr = INIT_RSSI_THR; ahp->ah_sifstime = (u_int) -1; ahp->ah_slottime = (u_int) -1; ahp->ah_acktimeout = (u_int) -1; ahp->ah_ctstimeout = (u_int) -1; if (!ar5211ChipReset(ah, AH_NULL)) { /* reset chip */ HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__); ecode = HAL_EIO; goto bad; } if (AH_PRIVATE(ah)->ah_devid == AR5211_FPGA11B) { /* set it back to OFDM mode to be able to read analog rev id */ OS_REG_WRITE(ah, AR5211_PHY_MODE, AR5211_PHY_MODE_OFDM); OS_REG_WRITE(ah, AR_PHY_PLL_CTL, AR_PHY_PLL_CTL_44); OS_DELAY(1000); } /* Read Revisions from Chips */ val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID_M; AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S; AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION_M; if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_MAUI_2 || AH_PRIVATE(ah)->ah_macVersion > AR_SREV_VERSION_OAHU) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: Mac Chip Rev 0x%x is not supported by this driver\n", __func__, AH_PRIVATE(ah)->ah_macVersion); ecode = HAL_ENOTSUPP; goto bad; } AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID); if (!ar5211ChipTest(ah)) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n", __func__); ecode = HAL_ESELFTEST; goto bad; } /* Set correct Baseband to analog shift setting to access analog chips. */ if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_OAHU) { OS_REG_WRITE(ah, AR_PHY_BASE, 0x00000007); } else { OS_REG_WRITE(ah, AR_PHY_BASE, 0x00000047); } OS_DELAY(2000); /* Read Radio Chip Rev Extract */ AH_PRIVATE(ah)->ah_analog5GhzRev = ar5211GetRadioRev(ah); if ((AH_PRIVATE(ah)->ah_analog5GhzRev & 0xf0) != RAD5_SREV_MAJOR) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: 5G Radio Chip Rev 0x%02X is not supported by this " "driver\n", __func__, AH_PRIVATE(ah)->ah_analog5GhzRev); ecode = HAL_ENOTSUPP; goto bad; } val = (OS_REG_READ(ah, AR_PCICFG) & AR_PCICFG_EEPROM_SIZE_M) >> AR_PCICFG_EEPROM_SIZE_S; if (val != AR_PCICFG_EEPROM_SIZE_16K) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unsupported EEPROM size " "%u (0x%x) found\n", __func__, val, val); ecode = HAL_EESIZE; goto bad; } ecode = ath_hal_legacyEepromAttach(ah); if (ecode != HAL_OK) { goto bad; } /* If Bmode and AR5211, verify 2.4 analog exists */ if (AH_PRIVATE(ah)->ah_macVersion >= AR_SREV_VERSION_OAHU && ath_hal_eepromGetFlag(ah, AR_EEP_BMODE)) { /* Set correct Baseband to analog shift setting to access analog chips. */ OS_REG_WRITE(ah, AR_PHY_BASE, 0x00004007); OS_DELAY(2000); AH_PRIVATE(ah)->ah_analog2GhzRev = ar5211GetRadioRev(ah); /* Set baseband for 5GHz chip */ OS_REG_WRITE(ah, AR_PHY_BASE, 0x00000007); OS_DELAY(2000); if ((AH_PRIVATE(ah)->ah_analog2GhzRev & 0xF0) != RAD2_SREV_MAJOR) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: 2G Radio Chip Rev 0x%x is not supported by " "this driver\n", __func__, AH_PRIVATE(ah)->ah_analog2GhzRev); ecode = HAL_ENOTSUPP; goto bad; } } else { ath_hal_eepromSet(ah, AR_EEP_BMODE, AH_FALSE); } ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval); if (ecode != HAL_OK) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: cannot read regulatory domain from EEPROM\n", __func__); goto bad; } AH_PRIVATE(ah)->ah_currentRD = eeval; AH_PRIVATE(ah)->ah_getNfAdjust = ar5211GetNfAdjust; /* * Got everything we need now to setup the capabilities. */ (void) ar5211FillCapabilityInfo(ah); /* Initialize gain ladder thermal calibration structure */ ar5211InitializeGainValues(ah); ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr); if (ecode != HAL_OK) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: error getting mac address from EEPROM\n", __func__); goto bad; } HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__); return ah; bad: if (ahp) ar5211Detach((struct ath_hal *) ahp); if (status) *status = ecode; return AH_NULL; #undef N } void ar5211Detach(struct ath_hal *ah) { HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__); HALASSERT(ah != AH_NULL); HALASSERT(ah->ah_magic == AR5211_MAGIC); ath_hal_eepromDetach(ah); ath_hal_free(ah); } static HAL_BOOL ar5211ChipTest(struct ath_hal *ah) { uint32_t regAddr[2] = { AR_STA_ID0, AR_PHY_BASE+(8 << 2) }; uint32_t regHold[2]; uint32_t patternData[4] = { 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999 }; int i, j; /* Test PHY & MAC registers */ for (i = 0; i < 2; i++) { uint32_t addr = regAddr[i]; uint32_t wrData, rdData; regHold[i] = OS_REG_READ(ah, addr); for (j = 0; j < 0x100; j++) { wrData = (j << 16) | j; OS_REG_WRITE(ah, addr, wrData); rdData = OS_REG_READ(ah, addr); if (rdData != wrData) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n", __func__, addr, wrData, rdData); return AH_FALSE; } } for (j = 0; j < 4; j++) { wrData = patternData[j]; OS_REG_WRITE(ah, addr, wrData); rdData = OS_REG_READ(ah, addr); if (wrData != rdData) { HALDEBUG(ah, HAL_DEBUG_ANY, "%s: address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n", __func__, addr, wrData, rdData); return AH_FALSE; } } OS_REG_WRITE(ah, regAddr[i], regHold[i]); } OS_DELAY(100); return AH_TRUE; } /* * Store the channel edges for the requested operational mode */ static HAL_BOOL ar5211GetChannelEdges(struct ath_hal *ah, uint16_t flags, uint16_t *low, uint16_t *high) { if (flags & IEEE80211_CHAN_5GHZ) { *low = 4920; *high = 6100; return AH_TRUE; } if (flags & IEEE80211_CHAN_2GHZ && ath_hal_eepromGetFlag(ah, AR_EEP_BMODE)) { *low = 2312; *high = 2732; return AH_TRUE; } return AH_FALSE; } static HAL_BOOL ar5211GetChipPowerLimits(struct ath_hal *ah, struct ieee80211_channel *chan) { /* XXX fill in, this is just a placeholder */ HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: no min/max power for %u/0x%x\n", __func__, chan->ic_freq, chan->ic_flags); chan->ic_maxpower = MAX_RATE_POWER; chan->ic_minpower = 0; return AH_TRUE; } static void ar5211ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore) { } static void ar5211DisablePCIE(struct ath_hal *ah) { } /* * Fill all software cached or static hardware state information. */ static HAL_BOOL ar5211FillCapabilityInfo(struct ath_hal *ah) { struct ath_hal_private *ahpriv = AH_PRIVATE(ah); HAL_CAPABILITIES *pCap = &ahpriv->ah_caps; /* Construct wireless mode from EEPROM */ pCap->halWirelessModes = 0; if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) { pCap->halWirelessModes |= HAL_MODE_11A; if (!ath_hal_eepromGetFlag(ah, AR_EEP_TURBO5DISABLE)) pCap->halWirelessModes |= HAL_MODE_TURBO; } if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE)) pCap->halWirelessModes |= HAL_MODE_11B; pCap->halLow2GhzChan = 2312; pCap->halHigh2GhzChan = 2732; pCap->halLow5GhzChan = 4920; pCap->halHigh5GhzChan = 6100; pCap->halChanSpreadSupport = AH_TRUE; pCap->halSleepAfterBeaconBroken = AH_TRUE; pCap->halPSPollBroken = AH_TRUE; pCap->halVEOLSupport = AH_TRUE; pCap->halTotalQueues = HAL_NUM_TX_QUEUES; pCap->halKeyCacheSize = 128; /* XXX not needed */ pCap->halChanHalfRate = AH_FALSE; pCap->halChanQuarterRate = AH_FALSE; if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) && ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) { /* NB: enabled by default */ ahpriv->ah_rfkillEnabled = AH_TRUE; pCap->halRfSilentSupport = AH_TRUE; } pCap->halTstampPrecision = 13; pCap->halIntrMask = HAL_INT_COMMON | HAL_INT_RX | HAL_INT_TX | HAL_INT_FATAL | HAL_INT_BNR | HAL_INT_TIM ; pCap->hal4kbSplitTransSupport = AH_TRUE; pCap->halHasRxSelfLinkedTail = AH_TRUE; /* XXX might be ok w/ some chip revs */ ahpriv->ah_rxornIsFatal = AH_TRUE; return AH_TRUE; } static const char* ar5211Probe(uint16_t vendorid, uint16_t devid) { if (vendorid == ATHEROS_VENDOR_ID) { if (devid == AR5211_DEVID || devid == AR5311_DEVID || devid == AR5211_DEFAULT) return "Atheros 5211"; if (devid == AR5211_FPGA11B) return "Atheros 5211 (FPGA)"; } return AH_NULL; } AH_CHIP(AR5211, ar5211Probe, ar5211Attach);