ath9k: AR9380 PAPRD changes to improve tx performance

chromeos/compat-wireless/drivers/net/wireless/ath/ath9k/ar9003_calib.c

 /*
  * Copyright (c) 2010 Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@@ skipping 616 matching lines @@
         const u32 txiqcal_status[AR9300_MAX_CHAINS] = {
                 AR_PHY_TX_IQCAL_STATUS_B0,
                 AR_PHY_TX_IQCAL_STATUS_B1,
                 AR_PHY_TX_IQCAL_STATUS_B2,
         };
         const u32 tx_corr_coeff[AR9300_MAX_CHAINS] = {
                 AR_PHY_TX_IQCAL_CORR_COEFF_01_B0,
                 AR_PHY_TX_IQCAL_CORR_COEFF_01_B1,
                 AR_PHY_TX_IQCAL_CORR_COEFF_01_B2,
         };
-        const u32 rx_corr[AR9300_MAX_CHAINS] = {
-                AR_PHY_RX_IQCAL_CORR_B0,
-                AR_PHY_RX_IQCAL_CORR_B1,
-                AR_PHY_RX_IQCAL_CORR_B2,
-        };
         const u_int32_t chan_info_tab[] = {
                 AR_PHY_CHAN_INFO_TAB_0,
                 AR_PHY_CHAN_INFO_TAB_1,
                 AR_PHY_CHAN_INFO_TAB_2,
         };
         s32 iq_res[6];
         s32 iqc_coeff[2];
         s32 i, j;
         u32 num_chains = 0;
 
@@ skipping 57 matching lines @@
                         goto TX_IQ_CAL_FAILED;
                 }
 
                 ath_print(common, ATH_DBG_CALIBRATE,
                           "IQ_COEFF[0] = 0x%x IQ_COEFF[1] = 0x%x\n",
                           iqc_coeff[0], iqc_coeff[1]);
 
                 REG_RMW_FIELD(ah, tx_corr_coeff[i],
                               AR_PHY_TX_IQCAL_CORR_COEFF_01_COEFF_TABLE,
                               iqc_coeff[0]);
-                REG_RMW_FIELD(ah, rx_corr[i],
-                              AR_PHY_RX_IQCAL_CORR_LOOPBACK_IQCORR_Q_Q_COFF,
-                              iqc_coeff[1] >> 7);
-                REG_RMW_FIELD(ah, rx_corr[i],
-                              AR_PHY_RX_IQCAL_CORR_LOOPBACK_IQCORR_Q_I_COFF,
-                              iqc_coeff[1]);
         }
 
         REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_3,
                       AR_PHY_TX_IQCAL_CONTROL_3_IQCORR_EN, 0x1);
-        REG_RMW_FIELD(ah, AR_PHY_RX_IQCAL_CORR_B0,
-                      AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN, 0x1);
 
         return;
 
 TX_IQ_CAL_FAILED:
         ath_print(common, ATH_DBG_CALIBRATE, "Tx IQ Cal failed\n");
 }
 
 static bool ar9003_hw_init_cal(struct ath_hw *ah,
                                struct ath9k_channel *chan)
 {
@@ skipping 71 matching lines @@
         struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
         struct ath_hw_ops *ops = ath9k_hw_ops(ah);
 
         priv_ops->init_cal_settings = ar9003_hw_init_cal_settings;
         priv_ops->init_cal = ar9003_hw_init_cal;
         priv_ops->setup_calibration = ar9003_hw_setup_calibration;
         priv_ops->iscal_supported = ar9003_hw_iscal_supported;
 
         ops->calibrate = ar9003_hw_calibrate;
 }