+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);
+ }
+}
+