497 lines
15 KiB
C
497 lines
15 KiB
C
/*
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* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
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* Copyright (c) 2002-2008 Atheros Communications, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $FreeBSD$
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*/
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#include "opt_ah.h"
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#include "ah.h"
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#include "ah_internal.h"
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#include "ah_devid.h"
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#include "ar5416/ar5416.h"
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#include "ar5416/ar5416reg.h"
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#include "ar5416/ar5416phy.h"
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#include "ar5416/ar5416.ini"
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static void
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ar5416AniSetup(struct ath_hal *ah)
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{
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static const struct ar5212AniParams aniparams = {
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.maxNoiseImmunityLevel = 4, /* levels 0..4 */
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.totalSizeDesired = { -55, -55, -55, -55, -62 },
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.coarseHigh = { -14, -14, -14, -14, -12 },
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.coarseLow = { -64, -64, -64, -64, -70 },
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.firpwr = { -78, -78, -78, -78, -80 },
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.maxSpurImmunityLevel = 2,
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.cycPwrThr1 = { 2, 4, 6 },
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.maxFirstepLevel = 2, /* levels 0..2 */
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.firstep = { 0, 4, 8 },
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.ofdmTrigHigh = 500,
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.ofdmTrigLow = 200,
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.cckTrigHigh = 200,
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.cckTrigLow = 100,
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.rssiThrHigh = 40,
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.rssiThrLow = 7,
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.period = 100,
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};
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/* NB: ANI is not enabled yet */
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ar5212AniAttach(ah, &aniparams, &aniparams, AH_FALSE);
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}
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/*
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* Attach for an AR5416 part.
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*/
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void
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ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
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HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
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{
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struct ath_hal_5212 *ahp;
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struct ath_hal *ah;
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ahp = &ahp5416->ah_5212;
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ar5212InitState(ahp, devid, sc, st, sh, status);
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ah = &ahp->ah_priv.h;
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/* override 5212 methods for our needs */
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ah->ah_magic = AR5416_MAGIC;
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ah->ah_getRateTable = ar5416GetRateTable;
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ah->ah_detach = ar5416Detach;
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/* Reset functions */
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ah->ah_reset = ar5416Reset;
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ah->ah_phyDisable = ar5416PhyDisable;
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ah->ah_disable = ar5416Disable;
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ah->ah_perCalibration = ar5416PerCalibration;
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ah->ah_perCalibrationN = ar5416PerCalibrationN,
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ah->ah_resetCalValid = ar5416ResetCalValid,
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ah->ah_setTxPowerLimit = ar5416SetTxPowerLimit;
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/* Transmit functions */
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ah->ah_stopTxDma = ar5416StopTxDma;
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ah->ah_setupTxDesc = ar5416SetupTxDesc;
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ah->ah_setupXTxDesc = ar5416SetupXTxDesc;
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ah->ah_fillTxDesc = ar5416FillTxDesc;
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ah->ah_procTxDesc = ar5416ProcTxDesc;
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/* Receive Functions */
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ah->ah_startPcuReceive = ar5416StartPcuReceive;
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ah->ah_stopPcuReceive = ar5416StopPcuReceive;
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ah->ah_setupRxDesc = ar5416SetupRxDesc;
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ah->ah_procRxDesc = ar5416ProcRxDesc;
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ah->ah_rxMonitor = ar5416AniPoll,
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ah->ah_procMibEvent = ar5416ProcessMibIntr,
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/* Misc Functions */
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ah->ah_getDiagState = ar5416GetDiagState;
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ah->ah_setLedState = ar5416SetLedState;
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ah->ah_gpioCfgOutput = ar5416GpioCfgOutput;
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ah->ah_gpioCfgInput = ar5416GpioCfgInput;
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ah->ah_gpioGet = ar5416GpioGet;
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ah->ah_gpioSet = ar5416GpioSet;
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ah->ah_gpioSetIntr = ar5416GpioSetIntr;
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ah->ah_resetTsf = ar5416ResetTsf;
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ah->ah_getRfGain = ar5416GetRfgain;
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ah->ah_setAntennaSwitch = ar5416SetAntennaSwitch;
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ah->ah_setDecompMask = ar5416SetDecompMask;
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ah->ah_setCoverageClass = ar5416SetCoverageClass;
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ah->ah_resetKeyCacheEntry = ar5416ResetKeyCacheEntry;
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ah->ah_setKeyCacheEntry = ar5416SetKeyCacheEntry;
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/* Power Management Functions */
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ah->ah_setPowerMode = ar5416SetPowerMode;
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/* Beacon Management Functions */
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ah->ah_setBeaconTimers = ar5416SetBeaconTimers;
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ah->ah_beaconInit = ar5416BeaconInit;
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ah->ah_setStationBeaconTimers = ar5416SetStaBeaconTimers;
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ah->ah_resetStationBeaconTimers = ar5416ResetStaBeaconTimers;
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/* XXX 802.11n Functions */
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#if 0
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ah->ah_chainTxDesc = ar5416ChainTxDesc;
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ah->ah_setupFirstTxDesc = ar5416SetupFirstTxDesc;
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ah->ah_setupLastTxDesc = ar5416SetupLastTxDesc;
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ah->ah_set11nRateScenario = ar5416Set11nRateScenario;
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ah->ah_set11nAggrMiddle = ar5416Set11nAggrMiddle;
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ah->ah_clr11nAggr = ar5416Clr11nAggr;
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ah->ah_set11nBurstDuration = ar5416Set11nBurstDuration;
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ah->ah_get11nExtBusy = ar5416Get11nExtBusy;
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ah->ah_set11nMac2040 = ar5416Set11nMac2040;
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ah->ah_get11nRxClear = ar5416Get11nRxClear;
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ah->ah_set11nRxClear = ar5416Set11nRxClear;
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#endif
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/* Interrupt functions */
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ah->ah_isInterruptPending = ar5416IsInterruptPending;
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ah->ah_getPendingInterrupts = ar5416GetPendingInterrupts;
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ah->ah_setInterrupts = ar5416SetInterrupts;
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ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
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ahp->ah_priv.ah_eepromRead = ar5416EepromRead;
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#ifdef AH_SUPPORT_WRITE_EEPROM
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ahp->ah_priv.ah_eepromWrite = ar5416EepromWrite;
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#endif
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ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
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/*
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* Start by setting all Owl devices to 2x2
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*/
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AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
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AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
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}
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uint32_t
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ar5416GetRadioRev(struct ath_hal *ah)
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{
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uint32_t val;
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int i;
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/* Read Radio Chip Rev Extract */
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OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
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for (i = 0; i < 8; i++)
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OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
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val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
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val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
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return ath_hal_reverseBits(val, 8);
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}
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/*
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* Attach for an AR5416 part.
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*/
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static struct ath_hal *
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ar5416Attach(uint16_t devid, HAL_SOFTC sc,
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HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
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{
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struct ath_hal_5416 *ahp5416;
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struct ath_hal_5212 *ahp;
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struct ath_hal *ah;
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uint32_t val;
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HAL_STATUS ecode;
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HAL_BOOL rfStatus;
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HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
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__func__, sc, (void*) st, (void*) sh);
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/* NB: memory is returned zero'd */
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ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
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/* extra space for Owl 2.1/2.2 WAR */
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sizeof(ar5416Addac)
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);
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if (ahp5416 == AH_NULL) {
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HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
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"%s: cannot allocate memory for state block\n", __func__);
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*status = HAL_ENOMEM;
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return AH_NULL;
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}
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ar5416InitState(ahp5416, devid, sc, st, sh, status);
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ahp = &ahp5416->ah_5212;
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ah = &ahp->ah_priv.h;
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if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
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/* reset chip */
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
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ecode = HAL_EIO;
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goto bad;
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}
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if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
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ecode = HAL_EIO;
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goto bad;
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}
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/* Read Revisions from Chips before taking out of reset */
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val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
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AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
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AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
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/* setup common ini data; rf backends handle remainder */
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HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
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HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
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HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
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if (!IS_5416V2_2(ah)) { /* Owl 2.1/2.0 */
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struct ini {
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uint32_t *data; /* NB: !const */
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int rows, cols;
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};
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/* override CLKDRV value */
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OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
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AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
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HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
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}
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if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
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__func__);
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ecode = HAL_EIO;
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goto bad;
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}
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AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
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if (!ar5212ChipTest(ah)) {
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
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__func__);
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ecode = HAL_ESELFTEST;
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goto bad;
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}
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/*
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* Set correct Baseband to analog shift
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* setting to access analog chips.
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*/
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OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
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/* Read Radio Chip Rev Extract */
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AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
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switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
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case AR_RAD5122_SREV_MAJOR: /* Fowl: 5G/2x2 */
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case AR_RAD2122_SREV_MAJOR: /* Fowl: 2+5G/2x2 */
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case AR_RAD2133_SREV_MAJOR: /* Fowl: 2G/3x3 */
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case AR_RAD5133_SREV_MAJOR: /* Fowl: 2+5G/3x3 */
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break;
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default:
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if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
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/*
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* When RF_Silen is used the analog chip is reset.
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* So when the system boots with radio switch off
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* the RF chip rev reads back as zero and we need
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* to use the mac+phy revs to set the radio rev.
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*/
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AH_PRIVATE(ah)->ah_analog5GhzRev =
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AR_RAD5133_SREV_MAJOR;
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break;
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}
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/* NB: silently accept anything in release code per Atheros */
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#ifdef AH_DEBUG
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HALDEBUG(ah, HAL_DEBUG_ANY,
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"%s: 5G Radio Chip Rev 0x%02X is not supported by "
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"this driver\n", __func__,
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AH_PRIVATE(ah)->ah_analog5GhzRev);
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ecode = HAL_ENOTSUPP;
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goto bad;
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#endif
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}
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ecode = ath_hal_v14EepromAttach(ah);
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if (ecode != HAL_OK)
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goto bad;
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/*
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* Got everything we need now to setup the capabilities.
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*/
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if (!ar5416FillCapabilityInfo(ah)) {
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ecode = HAL_EEREAD;
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goto bad;
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}
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ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
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if (ecode != HAL_OK) {
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HALDEBUG(ah, HAL_DEBUG_ANY,
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"%s: error getting mac address from EEPROM\n", __func__);
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goto bad;
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}
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/* XXX How about the serial number ? */
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/* Read Reg Domain */
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AH_PRIVATE(ah)->ah_currentRD =
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ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
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/*
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* ah_miscMode is populated by ar5416FillCapabilityInfo()
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* starting from griffin. Set here to make sure that
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* AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
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* placed into hardware.
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*/
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if (ahp->ah_miscMode != 0)
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OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
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HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: Attaching AR2133 radio\n",
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__func__);
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rfStatus = ar2133RfAttach(ah, &ecode);
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if (!rfStatus) {
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HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
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__func__, ecode);
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goto bad;
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}
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ar5416AniSetup(ah); /* Anti Noise Immunity */
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ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
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HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
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return ah;
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bad:
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if (ahp)
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ar5416Detach((struct ath_hal *) ahp);
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if (status)
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*status = ecode;
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return AH_NULL;
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}
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void
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ar5416Detach(struct ath_hal *ah)
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{
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HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
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HALASSERT(ah != AH_NULL);
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HALASSERT(ah->ah_magic == AR5416_MAGIC);
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ar5416AniDetach(ah);
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ar5212RfDetach(ah);
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ah->ah_disable(ah);
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ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
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ath_hal_eepromDetach(ah);
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ath_hal_free(ah);
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}
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/*
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* Fill all software cached or static hardware state information.
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* Return failure if capabilities are to come from EEPROM and
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* cannot be read.
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*/
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HAL_BOOL
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ar5416FillCapabilityInfo(struct ath_hal *ah)
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{
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struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
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HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
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uint16_t val;
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/* Construct wireless mode from EEPROM */
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pCap->halWirelessModes = 0;
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if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
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pCap->halWirelessModes |= HAL_MODE_11A
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| HAL_MODE_11NA_HT20
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| HAL_MODE_11NA_HT40PLUS
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| HAL_MODE_11NA_HT40MINUS
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;
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}
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if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
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pCap->halWirelessModes |= HAL_MODE_11G
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| HAL_MODE_11NG_HT20
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| HAL_MODE_11NG_HT40PLUS
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| HAL_MODE_11NG_HT40MINUS
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;
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pCap->halWirelessModes |= HAL_MODE_11A
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| HAL_MODE_11NA_HT20
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| HAL_MODE_11NA_HT40PLUS
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| HAL_MODE_11NA_HT40MINUS
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;
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}
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pCap->halLow2GhzChan = 2312;
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pCap->halHigh2GhzChan = 2732;
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pCap->halLow5GhzChan = 4915;
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pCap->halHigh5GhzChan = 6100;
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pCap->halCipherCkipSupport = AH_FALSE;
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pCap->halCipherTkipSupport = AH_TRUE;
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pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
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pCap->halMicCkipSupport = AH_FALSE;
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pCap->halMicTkipSupport = AH_TRUE;
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pCap->halMicAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
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/*
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* Starting with Griffin TX+RX mic keys can be combined
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* in one key cache slot.
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*/
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pCap->halTkipMicTxRxKeySupport = AH_TRUE;
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pCap->halChanSpreadSupport = AH_TRUE;
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pCap->halSleepAfterBeaconBroken = AH_TRUE;
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pCap->halCompressSupport = AH_FALSE;
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pCap->halBurstSupport = AH_TRUE;
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pCap->halFastFramesSupport = AH_FALSE; /* XXX? */
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pCap->halChapTuningSupport = AH_TRUE;
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pCap->halTurboPrimeSupport = AH_TRUE;
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pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
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pCap->halPSPollBroken = AH_TRUE; /* XXX fixed in later revs? */
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pCap->halVEOLSupport = AH_TRUE;
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pCap->halBssIdMaskSupport = AH_TRUE;
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pCap->halMcastKeySrchSupport = AH_FALSE;
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|
pCap->halTsfAddSupport = AH_TRUE;
|
|
|
|
if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
|
|
pCap->halTotalQueues = val;
|
|
else
|
|
pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
|
|
|
|
if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
|
|
pCap->halKeyCacheSize = val;
|
|
else
|
|
pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
|
|
|
|
/* XXX not needed */
|
|
pCap->halChanHalfRate = AH_FALSE; /* XXX ? */
|
|
pCap->halChanQuarterRate = AH_FALSE; /* XXX ? */
|
|
|
|
pCap->halTstampPrecision = 32;
|
|
pCap->halHwPhyCounterSupport = AH_TRUE;
|
|
|
|
pCap->halFastCCSupport = AH_TRUE;
|
|
pCap->halNumGpioPins = 6;
|
|
pCap->halWowSupport = AH_FALSE;
|
|
pCap->halWowMatchPatternExact = AH_FALSE;
|
|
pCap->halBtCoexSupport = AH_FALSE; /* XXX need support */
|
|
pCap->halAutoSleepSupport = AH_FALSE;
|
|
#if 0 /* XXX not yet */
|
|
pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
|
|
pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
|
|
#endif
|
|
pCap->halHTSupport = AH_TRUE;
|
|
pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
|
|
/* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
|
|
pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
|
|
pCap->halRtsAggrLimit = 8*1024; /* Owl 2.0 limit */
|
|
pCap->halMbssidAggrSupport = AH_TRUE;
|
|
pCap->halForcePpmSupport = AH_TRUE;
|
|
pCap->halEnhancedPmSupport = AH_TRUE;
|
|
|
|
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;
|
|
}
|
|
|
|
ahpriv->ah_rxornIsFatal = AH_FALSE;
|
|
|
|
return AH_TRUE;
|
|
}
|
|
|
|
static const char*
|
|
ar5416Probe(uint16_t vendorid, uint16_t devid)
|
|
{
|
|
if (vendorid == ATHEROS_VENDOR_ID &&
|
|
(devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
|
|
return "Atheros 5416";
|
|
return AH_NULL;
|
|
}
|
|
AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
|