diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_calib.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_calib.c | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 06ab71db6e80..174442beb952 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -1203,24 +1203,41 @@ static void ar9003_hw_tx_iq_cal_reload(struct ath_hw *ah) static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g) { int offset[8] = {0}, total = 0, test; - int agc_out, i; + int agc_out, i, peak_detect_threshold; + if (AR_SREV_9550(ah) || AR_SREV_9531(ah)) + peak_detect_threshold = 8; + else + peak_detect_threshold = 0; + + /* + * Turn off LNA/SW. + */ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), AR_PHY_65NM_RXRF_GAINSTAGES_RX_OVERRIDE, 0x1); REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), AR_PHY_65NM_RXRF_GAINSTAGES_LNAON_CALDC, 0x0); - if (is_2g) - REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), - AR_PHY_65NM_RXRF_GAINSTAGES_LNA2G_GAIN_OVR, 0x0); - else - REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), - AR_PHY_65NM_RXRF_GAINSTAGES_LNA5G_GAIN_OVR, 0x0); + if (AR_SREV_9003_PCOEM(ah) || AR_SREV_9330_11(ah)) { + if (is_2g) + REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), + AR_PHY_65NM_RXRF_GAINSTAGES_LNA2G_GAIN_OVR, 0x0); + else + REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), + AR_PHY_65NM_RXRF_GAINSTAGES_LNA5G_GAIN_OVR, 0x0); + } + + /* + * Turn off RXON. + */ REG_RMW_FIELD(ah, AR_PHY_65NM_RXTX2(chain), AR_PHY_65NM_RXTX2_RXON_OVR, 0x1); REG_RMW_FIELD(ah, AR_PHY_65NM_RXTX2(chain), AR_PHY_65NM_RXTX2_RXON, 0x0); + /* + * Turn on AGC for cal. + */ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), AR_PHY_65NM_RXRF_AGC_AGC_OVERRIDE, 0x1); REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), @@ -1228,16 +1245,19 @@ static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g) REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), AR_PHY_65NM_RXRF_AGC_AGC_CAL_OVR, 0x1); - if (AR_SREV_9330_11(ah)) { + if (AR_SREV_9330_11(ah)) REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), AR_PHY_65NM_RXRF_AGC_AGC2G_CALDAC_OVR, 0x0); - } else { + + if (AR_SREV_9003_PCOEM(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah)) { if (is_2g) REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), - AR_PHY_65NM_RXRF_AGC_AGC2G_DBDAC_OVR, 0x0); + AR_PHY_65NM_RXRF_AGC_AGC2G_DBDAC_OVR, + peak_detect_threshold); else REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), - AR_PHY_65NM_RXRF_AGC_AGC5G_DBDAC_OVR, 0x0); + AR_PHY_65NM_RXRF_AGC_AGC5G_DBDAC_OVR, + peak_detect_threshold); } for (i = 6; i > 0; i--) { @@ -1266,10 +1286,19 @@ static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g) REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), AR_PHY_65NM_RXRF_AGC_AGC5G_CALDAC_OVR, total); + /* + * Turn on LNA. + */ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain), AR_PHY_65NM_RXRF_GAINSTAGES_RX_OVERRIDE, 0); + /* + * Turn off RXON. + */ REG_RMW_FIELD(ah, AR_PHY_65NM_RXTX2(chain), AR_PHY_65NM_RXTX2_RXON_OVR, 0); + /* + * Turn off peak detect calibration. + */ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain), AR_PHY_65NM_RXRF_AGC_AGC_CAL_OVR, 0); } @@ -1611,8 +1640,14 @@ static bool ar9003_hw_init_cal_soc(struct ath_hw *ah, skip_tx_iqcal: if (run_agc_cal || !(ah->ah_flags & AH_FASTCC)) { - if (AR_SREV_9330_11(ah)) - ar9003_hw_manual_peak_cal(ah, 0, IS_CHAN_2GHZ(chan)); + if (AR_SREV_9330_11(ah) || AR_SREV_9531(ah) || AR_SREV_9550(ah)) { + for (i = 0; i < AR9300_MAX_CHAINS; i++) { + if (!(ah->rxchainmask & (1 << i))) + continue; + ar9003_hw_manual_peak_cal(ah, i, + IS_CHAN_2GHZ(chan)); + } + } /* * For non-AR9550 chips, we just trigger AGC calibration |