ath9k: AR9380 PAPRD changes to improve tx performance

chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h

Index: chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
diff --git a/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
index 9c1463307f0c94a4dffbd99f418eadcf859d71f1..a360beb6e474a1198bfe0376cf7d38d88dde3504 100644
--- a/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -62,6 +62,12 @@
 #define AR928X_SIZE_ANT_CHAIN_FIELD     2
 #define AR928X_ANT_CHAIN_MASK           0x3
 
+#define AR9300_PAPRD_RATE_MASK		0x01ffffff
+#define AR9300_PAPRD_SCALE_1		0x0e000000
+#define AR9300_PAPRD_SCALE_1_S		25
+#define AR9300_PAPRD_SCALE_2		0x70000000
+#define AR9300_PAPRD_SCALE_2_S		28
+
 /* Delta from which to start power to pdadc table */
 /* This offset is used in both open loop and closed loop power control
  * schemes. In open loop power control, it is not really needed, but for
@@ -342,4 +348,7 @@ struct ar9300_eeprom {
 s32 ar9003_hw_get_tx_gain_idx(struct ath_hw *ah);
 s32 ar9003_hw_get_rx_gain_idx(struct ath_hw *ah);
 
+unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
+					   struct ath9k_channel *chan);
+
 #endif