/*
* Internal interface to schedule periodic calibration work.
*/
HAL_BOOL
ar5416PerCalibrationN(struct ath_hal *ah, struct ieee80211_channel *chan,
u_int rxchainmask, HAL_BOOL longcal, HAL_BOOL *isCalDone)
{
struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
HAL_CAL_LIST *currCal = cal->cal_curr;
HAL_CHANNEL_INTERNAL *ichan;
int r;
OS_MARK(ah, AH_MARK_PERCAL, chan->ic_freq);
*isCalDone = AH_TRUE;
/*
* Since ath_hal calls the PerCal method with rxchainmask=0x1;
* override it with the current chainmask. The upper levels currently
* doesn't know about the chainmask.
*/
rxchainmask = AH5416(ah)->ah_rx_chainmask;
/* Invalid channel check */
ichan = ath_hal_checkchannel(ah, chan);
if (ichan == AH_NULL) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->ic_freq, chan->ic_flags);
return AH_FALSE;
}
/*
* For given calibration:
* 1. Call generic cal routine
* 2. When this cal is done (isCalDone) if we have more cals waiting
* (eg after reset), mask this to upper layers by not propagating
* isCalDone if it is set to TRUE.
* Instead, change isCalDone to FALSE and setup the waiting cal(s)
* to be run.
*/
if (currCal != AH_NULL &&
(currCal->calState == CAL_RUNNING ||
currCal->calState == CAL_WAITING)) {
ar5416DoCalibration(ah, ichan, rxchainmask, currCal, isCalDone);
if (*isCalDone == AH_TRUE) {
cal->cal_curr = currCal = currCal->calNext;
if (currCal->calState == CAL_WAITING) {
*isCalDone = AH_FALSE;
ar5416ResetMeasurement(ah, currCal);
}
}
}
/* Do NF cal only at longer intervals */
if (longcal) {
/* Do PA calibration if the chipset supports */
if (AH5416(ah)->ah_cal_pacal)
AH5416(ah)->ah_cal_pacal(ah, AH_FALSE);
/* Do open-loop temperature compensation if the chipset needs it */
if (ath_hal_eepromGetFlag(ah, AR_EEP_OL_PWRCTRL))
AH5416(ah)->ah_olcTempCompensation(ah);
/*
* Get the value from the previous NF cal
* and update the history buffer.
*/
r = ar5416GetNf(ah, chan);
if (r == 0 || r == -1) {
/* NF calibration result isn't valid */
HALDEBUG(ah, HAL_DEBUG_UNMASKABLE, "%s: NF calibration"
" didn't finish; delaying CCA\n", __func__);
} else {
int ret;
/*
* NF calibration result is valid.
*
* Load the NF from history buffer of the current channel.
* NF is slow time-variant, so it is OK to use a
* historical value.
*/
ret = ar5416LoadNF(ah, AH_PRIVATE(ah)->ah_curchan);
/* start NF calibration, without updating BB NF register*/
ar5416StartNFCal(ah);
/*
* If we failed calibration then tell the driver
* we failed and it should do a full chip reset
*/
if (! ret)
return AH_FALSE;
}
}
return AH_TRUE;
}
/*
* Internal interface to schedule periodic calibration work.
*/
HAL_BOOL
ar5416PerCalibrationN(struct ath_hal *ah, struct ieee80211_channel *chan,
u_int rxchainmask, HAL_BOOL longcal, HAL_BOOL *isCalDone)
{
struct ar5416PerCal *cal = &AH5416(ah)->ah_cal;
HAL_CAL_LIST *currCal = cal->cal_curr;
HAL_CHANNEL_INTERNAL *ichan;
OS_MARK(ah, AH_MARK_PERCAL, chan->ic_freq);
*isCalDone = AH_TRUE;
/* Invalid channel check */
ichan = ath_hal_checkchannel(ah, chan);
if (ichan == AH_NULL) {
HALDEBUG(ah, HAL_DEBUG_ANY,
"%s: invalid channel %u/0x%x; no mapping\n",
__func__, chan->ic_freq, chan->ic_flags);
return AH_FALSE;
}
/*
* For given calibration:
* 1. Call generic cal routine
* 2. When this cal is done (isCalDone) if we have more cals waiting
* (eg after reset), mask this to upper layers by not propagating
* isCalDone if it is set to TRUE.
* Instead, change isCalDone to FALSE and setup the waiting cal(s)
* to be run.
*/
if (currCal != AH_NULL &&
(currCal->calState == CAL_RUNNING ||
currCal->calState == CAL_WAITING)) {
ar5416DoCalibration(ah, ichan, rxchainmask, currCal, isCalDone);
if (*isCalDone == AH_TRUE) {
cal->cal_curr = currCal = currCal->calNext;
if (currCal->calState == CAL_WAITING) {
*isCalDone = AH_FALSE;
ar5416ResetMeasurement(ah, currCal);
}
}
}
/* Do NF cal only at longer intervals */
if (longcal) {
/*
* Get the value from the previous NF cal
* and update the history buffer.
*/
ar5416GetNf(ah, chan);
/*
* Load the NF from history buffer of the current channel.
* NF is slow time-variant, so it is OK to use a
* historical value.
*/
ar5416LoadNF(ah, AH_PRIVATE(ah)->ah_curchan);
/* start NF calibration, without updating BB NF register*/
ar5416StartNFCal(ah);
}
return AH_TRUE;
}
