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| author | Felix Fietkau <nbd@openwrt.org> | 2010-04-15 17:38:49 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-16 15:43:27 -0400 |
| commit | 641d99217f507024720d21f0a76a8075824fcc46 (patch) | |
| tree | 885eadc6bb378c8c76b324c89d804ae5afea3ec1 /drivers/net/wireless/ath/ath9k/ar5008_phy.c | |
| parent | b5c80475abaad015699384ca64ef8229fdd88758 (diff) | |
| download | linux-stable-641d99217f507024720d21f0a76a8075824fcc46.tar.gz linux-stable-641d99217f507024720d21f0a76a8075824fcc46.tar.bz2 linux-stable-641d99217f507024720d21f0a76a8075824fcc46.zip | |
ath9k_hw: Split out the function for reading the noise floor
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar5008_phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar5008_phy.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index dddca59ea46d..bd3792c78af1 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -1198,6 +1198,55 @@ static bool ar5008_hw_ani_control(struct ath_hw *ah, return true; } +static void ar5008_hw_do_getnf(struct ath_hw *ah, + int16_t nfarray[NUM_NF_READINGS]) +{ + struct ath_common *common = ath9k_hw_common(ah); + int16_t nf; + + nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + ath_print(common, ATH_DBG_CALIBRATE, + "NF calibrated [ctl] [chain 0] is %d\n", nf); + nfarray[0] = nf; + + nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + ath_print(common, ATH_DBG_CALIBRATE, + "NF calibrated [ctl] [chain 1] is %d\n", nf); + nfarray[1] = nf; + + nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + ath_print(common, ATH_DBG_CALIBRATE, + "NF calibrated [ctl] [chain 2] is %d\n", nf); + nfarray[2] = nf; + + nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + ath_print(common, ATH_DBG_CALIBRATE, + "NF calibrated [ext] [chain 0] is %d\n", nf); + nfarray[3] = nf; + + nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + ath_print(common, ATH_DBG_CALIBRATE, + "NF calibrated [ext] [chain 1] is %d\n", nf); + nfarray[4] = nf; + + nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR); + if (nf & 0x100) + nf = 0 - ((nf ^ 0x1ff) + 1); + ath_print(common, ATH_DBG_CALIBRATE, + "NF calibrated [ext] [chain 2] is %d\n", nf); + nfarray[5] = nf; +} + void ar5008_hw_attach_phy_ops(struct ath_hw *ah) { struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); @@ -1220,6 +1269,7 @@ void ar5008_hw_attach_phy_ops(struct ath_hw *ah) priv_ops->restore_chainmask = ar5008_restore_chainmask; priv_ops->set_diversity = ar5008_set_diversity; priv_ops->ani_control = ar5008_hw_ani_control; + priv_ops->do_getnf = ar5008_hw_do_getnf; if (AR_SREV_9100(ah)) priv_ops->compute_pll_control = ar9100_hw_compute_pll_control; |