ath9k: AR9380 PAPRD changes to improve tx performance

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

 #ifndef AR9003_EEPROM_H
 #define AR9003_EEPROM_H
 
 #include <linux/types.h>
 
 #define AR9300_EEP_VER               0xD000
 #define AR9300_EEP_VER_MINOR_MASK    0xFFF
 #define AR9300_EEP_MINOR_VER_1       0x1
 #define AR9300_EEP_MINOR_VER         AR9300_EEP_MINOR_VER_1
 
@@ skipping 44 matching lines @@
 #define AR9300_ANT_CHAIN_MASK           0x7
 #define AR9300_ANT_COMMON_MASK          0xf
 #define AR9300_CHAIN_0_IDX              0
 #define AR9300_CHAIN_1_IDX              1
 #define AR9300_CHAIN_2_IDX              2
 
 #define AR928X_NUM_ANT_CHAIN_FIELDS     6
 #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
  * the "sake of consistency" it was kept. For certain AP designs, this
  * value is overwritten by the value in the flag "pwrTableOffset" just
  * before writing the pdadc vs pwr into the chip registers.
  */
 #define AR9300_PWR_TABLE_OFFSET  0
 
 /* enable flags for voltage and temp compensation */
@@ skipping 260 matching lines @@
         struct cal_tgt_pow_ht
          calTargetPower5GHT40[AR9300_NUM_5G_40_TARGET_POWERS];
         u8 ctlIndex_5G[AR9300_NUM_CTLS_5G];
         u8 ctl_freqbin_5G[AR9300_NUM_CTLS_5G][AR9300_NUM_BAND_EDGES_5G];
         struct cal_ctl_data_5g ctlPowerData_5G[AR9300_NUM_CTLS_5G];
 } __packed;
 
 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