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path: root/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_eeprom.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_eeprom.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 4149ffb6d54a..9fa5793abd27 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -4843,6 +4843,27 @@ u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz)
return eep->modalHeader5G.spurChans;
}
+unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+
+ if (IS_CHAN_2GHZ(chan))
+ return MS(le32_to_cpu(eep->modalHeader2G.papdRateMaskHt20),
+ AR9300_PAPRD_SCALE_1);
+ else {
+ if (chan->channel >= 5700)
+ return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20),
+ AR9300_PAPRD_SCALE_1);
+ else if (chan->channel >= 5400)
+ return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40),
+ AR9300_PAPRD_SCALE_2);
+ else
+ return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40),
+ AR9300_PAPRD_SCALE_1);
+ }
+}
+
const struct eeprom_ops eep_ar9300_ops = {
.check_eeprom = ath9k_hw_ar9300_check_eeprom,
.get_eeprom = ath9k_hw_ar9300_get_eeprom,