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/*
* 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: release/9.1.0/sys/dev/ath/ath_hal/ar5211/ar5211_attach.c 225444 2011-09-08 01:23:05Z adrian $
*/
#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);