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ath9k_hw: Read and configure xpa timing field

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Configure xpa timing field while loading boad defaults to
fix 11b CCK spur issue that was observed in EMI testing.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-11-08 14:19:33 +05:30 committed by John W. Linville
parent df222edc09
commit 202bff08bf
1 changed files with 16 additions and 0 deletions
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16
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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@ -3411,6 +3411,7 @@ static u32 ar9003_dump_modal_eeprom(char *buf, u32 len, u32 size,
PR_EEP("Chain1 NF Threshold", modal_hdr->noiseFloorThreshCh[1]);
PR_EEP("Chain2 NF Threshold", modal_hdr->noiseFloorThreshCh[2]);
PR_EEP("Quick Drop", modal_hdr->quick_drop);
PR_EEP("txEndToXpaOff", modal_hdr->txEndToXpaOff);
PR_EEP("xPA Bias Level", modal_hdr->xpaBiasLvl);
PR_EEP("txFrameToDataStart", modal_hdr->txFrameToDataStart);
PR_EEP("txFrameToPaOn", modal_hdr->txFrameToPaOn);
@ -3956,6 +3957,20 @@ static void ar9003_hw_quick_drop_apply(struct ath_hw *ah, u16 freq)
REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop);
}
static void ar9003_hw_txend_to_xpa_off_apply(struct ath_hw *ah, u16 freq)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
u32 value;
value = (freq < 4000) ? eep->modalHeader2G.txEndToXpaOff :
eep->modalHeader5G.txEndToXpaOff;
REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
AR_PHY_XPA_TIMING_CTL_TX_END_XPAB_OFF, value);
REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
AR_PHY_XPA_TIMING_CTL_TX_END_XPAA_OFF, value);
}
static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
struct ath9k_channel *chan)
{
@ -3968,6 +3983,7 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
ar9003_hw_internal_regulator_apply(ah);
if (AR_SREV_9485(ah) || AR_SREV_9330(ah) || AR_SREV_9340(ah))
ar9003_hw_apply_tuning_caps(ah);
ar9003_hw_txend_to_xpa_off_apply(ah, chan->channel);
}
static void ath9k_hw_ar9300_set_addac(struct ath_hw *ah,