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ath9k_hw: add a helper for Power Amplifier calibration for AR9002

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The code can be simplified and shared between two locations if we bring
this into a helper. During reset we do not account for the skip count.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2010-04-15 17:38:51 -04:00 committed by John W. Linville
parent 939ad86de5
commit 4d001d18f2
1 changed files with 17 additions and 15 deletions
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32
drivers/net/wireless/ath/ath9k/calib.c
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@ -949,6 +949,21 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
}
static void ar9002_hw_pa_cal(struct ath_hw *ah, bool is_reset)
{
if (AR_SREV_9271(ah)) {
if (is_reset || !ah->pacal_info.skipcount)
ath9k_hw_9271_pa_cal(ah, is_reset);
else
ah->pacal_info.skipcount--;
} else if (AR_SREV_9285_11_OR_LATER(ah)) {
if (is_reset || !ah->pacal_info.skipcount)
ath9k_hw_9285_pa_cal(ah, is_reset);
else
ah->pacal_info.skipcount--;
}
}
bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
u8 rxchainmask, bool longcal)
{
@ -973,17 +988,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
/* Do NF cal only at longer intervals */
if (longcal) {
/* Do periodic PAOffset Cal */
if (AR_SREV_9271(ah)) {
if (!ah->pacal_info.skipcount)
ath9k_hw_9271_pa_cal(ah, false);
else
ah->pacal_info.skipcount--;
} else if (AR_SREV_9285_11_OR_LATER(ah)) {
if (!ah->pacal_info.skipcount)
ath9k_hw_9285_pa_cal(ah, false);
else
ah->pacal_info.skipcount--;
}
ar9002_hw_pa_cal(ah, false);
if (OLC_FOR_AR9280_20_LATER || OLC_FOR_AR9287_10_LATER)
ath9k_olc_temp_compensation(ah);
@ -1142,10 +1147,7 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
}
/* Do PA Calibration */
if (AR_SREV_9271(ah))
ath9k_hw_9271_pa_cal(ah, true);
else if (AR_SREV_9285_11_OR_LATER(ah))
ath9k_hw_9285_pa_cal(ah, true);
ar9002_hw_pa_cal(ah, true);
/* Do NF Calibration after DC offset and other calibrations */
REG_WRITE(ah, AR_PHY_AGC_CONTROL,