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authorFelix Fietkau <nbd@openwrt.org>2010-04-15 17:38:49 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-04-16 15:43:27 -0400
commit641d99217f507024720d21f0a76a8075824fcc46 (patch)
tree885eadc6bb378c8c76b324c89d804ae5afea3ec1 /drivers/net/wireless/ath/ath9k/ar5008_phy.c
parentb5c80475abaad015699384ca64ef8229fdd88758 (diff)
downloadblackbird-op-linux-641d99217f507024720d21f0a76a8075824fcc46.tar.gz
blackbird-op-linux-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.c50
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;
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