diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_calib.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_calib.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 9e6edffe0bd1..4c94c9ed5f81 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -196,7 +196,7 @@ static void ar9003_hw_iqcalibrate(struct ath_hw *ah, u8 numChains) u32 qCoffDenom, iCoffDenom; int32_t qCoff, iCoff; int iqCorrNeg, i; - const u_int32_t offset_array[3] = { + static const u_int32_t offset_array[3] = { AR_PHY_RX_IQCAL_CORR_B0, AR_PHY_RX_IQCAL_CORR_B1, AR_PHY_RX_IQCAL_CORR_B2, @@ -603,22 +603,22 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah, static void ar9003_hw_tx_iq_cal(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); - const u32 txiqcal_status[AR9300_MAX_CHAINS] = { + static const u32 txiqcal_status[AR9300_MAX_CHAINS] = { AR_PHY_TX_IQCAL_STATUS_B0, AR_PHY_TX_IQCAL_STATUS_B1, AR_PHY_TX_IQCAL_STATUS_B2, }; - const u32 tx_corr_coeff[AR9300_MAX_CHAINS] = { + static const u32 tx_corr_coeff[AR9300_MAX_CHAINS] = { AR_PHY_TX_IQCAL_CORR_COEFF_01_B0, AR_PHY_TX_IQCAL_CORR_COEFF_01_B1, AR_PHY_TX_IQCAL_CORR_COEFF_01_B2, }; - const u32 rx_corr[AR9300_MAX_CHAINS] = { + static const u32 rx_corr[AR9300_MAX_CHAINS] = { AR_PHY_RX_IQCAL_CORR_B0, AR_PHY_RX_IQCAL_CORR_B1, AR_PHY_RX_IQCAL_CORR_B2, }; - const u_int32_t chan_info_tab[] = { + static const u_int32_t chan_info_tab[] = { AR_PHY_CHAN_INFO_TAB_0, AR_PHY_CHAN_INFO_TAB_1, AR_PHY_CHAN_INFO_TAB_2, @@ -718,12 +718,19 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath_common *common = ath9k_hw_common(ah); + int val; - /* - * 0x7 = 0b111 , AR9003 needs to be configured for 3-chain mode before - * running AGC/TxIQ cals - */ - ar9003_hw_set_chain_masks(ah, 0x7, 0x7); + val = REG_READ(ah, AR_ENT_OTP); + ath_print(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val); + + if (val & AR_ENT_OTP_CHAIN2_DISABLE) + ar9003_hw_set_chain_masks(ah, 0x3, 0x3); + else + /* + * 0x7 = 0b111 , AR9003 needs to be configured for 3-chain + * mode before running AGC/TxIQ cals + */ + ar9003_hw_set_chain_masks(ah, 0x7, 0x7); /* Do Tx IQ Calibration */ ar9003_hw_tx_iq_cal(ah); |