root/drivers/staging/rtl8192e/rtl8192e/r8190P_rtl8256.c

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DEFINITIONS

This source file includes following definitions.
  1. rtl92e_set_bandwidth
  2. rtl92e_config_rf
  3. rtl92e_set_cck_tx_power
  4. rtl92e_set_ofdm_tx_power

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   4  *
   5  * Contact Information: wlanfae <wlanfae@realtek.com>
   6  */
   7 #include "rtl_core.h"
   8 #include "r8192E_phyreg.h"
   9 #include "r8192E_phy.h"
  10 #include "r8190P_rtl8256.h"
  11 
  12 void rtl92e_set_bandwidth(struct net_device *dev,
  13                           enum ht_channel_width Bandwidth)
  14 {
  15         u8      eRFPath;
  16         struct r8192_priv *priv = rtllib_priv(dev);
  17 
  18         if (priv->card_8192_version != VERSION_8190_BD &&
  19             priv->card_8192_version != VERSION_8190_BE) {
  20                 netdev_warn(dev, "%s(): Unknown HW version.\n", __func__);
  21                 return;
  22         }
  23 
  24         for (eRFPath = 0; eRFPath < priv->NumTotalRFPath; eRFPath++) {
  25                 if (!rtl92e_is_legal_rf_path(dev, eRFPath))
  26                         continue;
  27 
  28                 switch (Bandwidth) {
  29                 case HT_CHANNEL_WIDTH_20:
  30                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
  31                                           0x0b, bMask12Bits, 0x100);
  32                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
  33                                           0x2c, bMask12Bits, 0x3d7);
  34                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
  35                                           0x0e, bMask12Bits, 0x021);
  36                         break;
  37                 case HT_CHANNEL_WIDTH_20_40:
  38                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
  39                                           0x0b, bMask12Bits, 0x300);
  40                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
  41                                           0x2c, bMask12Bits, 0x3ff);
  42                         rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath,
  43                                           0x0e, bMask12Bits, 0x0e1);
  44                         break;
  45                 default:
  46                         netdev_err(dev, "%s(): Unknown bandwidth: %#X\n",
  47                                    __func__, Bandwidth);
  48                         break;
  49 
  50                 }
  51         }
  52 }
  53 
  54 bool rtl92e_config_rf(struct net_device *dev)
  55 {
  56         u32     u4RegValue = 0;
  57         u8      eRFPath;
  58         bool rtStatus = true;
  59         struct bb_reg_definition *pPhyReg;
  60         struct r8192_priv *priv = rtllib_priv(dev);
  61         u32     RegOffSetToBeCheck = 0x3;
  62         u32     RegValueToBeCheck = 0x7f1;
  63         u32     RF3_Final_Value = 0;
  64         u8      ConstRetryTimes = 5, RetryTimes = 5;
  65         u8 ret = 0;
  66 
  67         priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
  68 
  69         for (eRFPath = (enum rf90_radio_path)RF90_PATH_A;
  70              eRFPath < priv->NumTotalRFPath; eRFPath++) {
  71                 if (!rtl92e_is_legal_rf_path(dev, eRFPath))
  72                         continue;
  73 
  74                 pPhyReg = &priv->PHYRegDef[eRFPath];
  75 
  76 
  77                 switch (eRFPath) {
  78                 case RF90_PATH_A:
  79                 case RF90_PATH_C:
  80                         u4RegValue = rtl92e_get_bb_reg(dev, pPhyReg->rfintfs,
  81                                                        bRFSI_RFENV);
  82                         break;
  83                 case RF90_PATH_B:
  84                 case RF90_PATH_D:
  85                         u4RegValue = rtl92e_get_bb_reg(dev, pPhyReg->rfintfs,
  86                                                        bRFSI_RFENV<<16);
  87                         break;
  88                 }
  89 
  90                 rtl92e_set_bb_reg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
  91 
  92                 rtl92e_set_bb_reg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
  93 
  94                 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2,
  95                                   b3WireAddressLength, 0x0);
  96                 rtl92e_set_bb_reg(dev, pPhyReg->rfHSSIPara2,
  97                                   b3WireDataLength, 0x0);
  98 
  99                 rtl92e_set_rf_reg(dev, (enum rf90_radio_path)eRFPath, 0x0,
 100                                   bMask12Bits, 0xbf);
 101 
 102                 rtStatus = rtl92e_check_bb_and_rf(dev, HW90_BLOCK_RF,
 103                                                   (enum rf90_radio_path)eRFPath);
 104                 if (!rtStatus) {
 105                         netdev_err(dev, "%s(): Failed to check RF Path %d.\n",
 106                                    __func__, eRFPath);
 107                         goto fail;
 108                 }
 109 
 110                 RetryTimes = ConstRetryTimes;
 111                 RF3_Final_Value = 0;
 112                 while (RF3_Final_Value != RegValueToBeCheck &&
 113                        RetryTimes != 0) {
 114                         ret = rtl92e_config_rf_path(dev,
 115                                                 (enum rf90_radio_path)eRFPath);
 116                         RF3_Final_Value = rtl92e_get_rf_reg(dev,
 117                                                 (enum rf90_radio_path)eRFPath,
 118                                                 RegOffSetToBeCheck,
 119                                                 bMask12Bits);
 120                         RT_TRACE(COMP_RF,
 121                                  "RF %d %d register final value: %x\n",
 122                                  eRFPath, RegOffSetToBeCheck,
 123                                  RF3_Final_Value);
 124                         RetryTimes--;
 125                 }
 126 
 127                 switch (eRFPath) {
 128                 case RF90_PATH_A:
 129                 case RF90_PATH_C:
 130                         rtl92e_set_bb_reg(dev, pPhyReg->rfintfs, bRFSI_RFENV,
 131                                           u4RegValue);
 132                         break;
 133                 case RF90_PATH_B:
 134                 case RF90_PATH_D:
 135                         rtl92e_set_bb_reg(dev, pPhyReg->rfintfs,
 136                                           bRFSI_RFENV<<16, u4RegValue);
 137                         break;
 138                 }
 139 
 140                 if (ret) {
 141                         netdev_err(dev,
 142                                    "%s(): Failed to initialize RF Path %d.\n",
 143                                    __func__, eRFPath);
 144                         goto fail;
 145                 }
 146 
 147         }
 148 
 149         RT_TRACE(COMP_PHY, "PHY Initialization Success\n");
 150         return true;
 151 
 152 fail:
 153         return false;
 154 }
 155 
 156 void rtl92e_set_cck_tx_power(struct net_device *dev, u8 powerlevel)
 157 {
 158         u32     TxAGC = 0;
 159         struct r8192_priv *priv = rtllib_priv(dev);
 160 
 161         TxAGC = powerlevel;
 162         if (priv->bDynamicTxLowPower) {
 163                 if (priv->CustomerID == RT_CID_819x_Netcore)
 164                         TxAGC = 0x22;
 165                 else
 166                         TxAGC += priv->CckPwEnl;
 167         }
 168         if (TxAGC > 0x24)
 169                 TxAGC = 0x24;
 170         rtl92e_set_bb_reg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
 171 }
 172 
 173 
 174 void rtl92e_set_ofdm_tx_power(struct net_device *dev, u8 powerlevel)
 175 {
 176         struct r8192_priv *priv = rtllib_priv(dev);
 177         u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
 178         u8 index = 0;
 179         u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
 180         u8 byte0, byte1, byte2, byte3;
 181 
 182         powerBase0 = powerlevel + priv->LegacyHTTxPowerDiff;
 183         powerBase0 = (powerBase0 << 24) | (powerBase0 << 16) |
 184                      (powerBase0 << 8) | powerBase0;
 185         powerBase1 = powerlevel;
 186         powerBase1 = (powerBase1 << 24) | (powerBase1 << 16) |
 187                      (powerBase1 << 8) | powerBase1;
 188 
 189         for (index = 0; index < 6; index++) {
 190                 writeVal = (u32)(priv->MCSTxPowerLevelOriginalOffset[index] +
 191                            ((index < 2) ? powerBase0 : powerBase1));
 192                 byte0 = (u8)(writeVal & 0x7f);
 193                 byte1 = (u8)((writeVal & 0x7f00)>>8);
 194                 byte2 = (u8)((writeVal & 0x7f0000)>>16);
 195                 byte3 = (u8)((writeVal & 0x7f000000)>>24);
 196                 if (byte0 > 0x24)
 197                         byte0 = 0x24;
 198                 if (byte1 > 0x24)
 199                         byte1 = 0x24;
 200                 if (byte2 > 0x24)
 201                         byte2 = 0x24;
 202                 if (byte3 > 0x24)
 203                         byte3 = 0x24;
 204 
 205                 if (index == 3) {
 206                         writeVal_tmp = (byte3 << 24) | (byte2 << 16) |
 207                                        (byte1 << 8) | byte0;
 208                         priv->Pwr_Track = writeVal_tmp;
 209                 }
 210 
 211                 if (priv->bDynamicTxHighPower)
 212                         writeVal = 0x03030303;
 213                 else
 214                         writeVal = (byte3 << 24) | (byte2 << 16) |
 215                                    (byte1 << 8) | byte0;
 216                 rtl92e_set_bb_reg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
 217         }
 218 
 219 }

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