drivers/staging/rtl8192u/r8190_rtl8256.c

   1 /*
   2   This is part of the rtl8192 driver
   3   released under the GPL (See file COPYING for details).
   4
   5   This files contains programming code for the rtl8256
   6   radio frontend.
   7
   8   *Many* thanks to Realtek Corp. for their great support!
   9
  10 */
  11
  12 #include "r8192U.h"
  13 #include "r8192U_hw.h"
  14 #include "r819xU_phyreg.h"
  15 #include "r819xU_phy.h"
  16 #include "r8190_rtl8256.h"
  17
  18 /*--------------------------------------------------------------------------
  19  * Overview:    set RF band width (20M or 40M)
  20  * Input:       struct net_device*      dev
  21  *              WIRELESS_BANDWIDTH_E    Bandwidth       //20M or 40M
  22  * Output:      NONE
  23  * Return:      NONE
  24  * Note:        8226 support both 20M  and 40 MHz
  25  *---------------------------------------------------------------------------*/
  26 void PHY_SetRF8256Bandwidth(struct net_device *dev, HT_CHANNEL_WIDTH Bandwidth)
  27 {
  28         u8      eRFPath;
  29         struct r8192_priv *priv = ieee80211_priv(dev);
  30
  31         /* for(eRFPath = RF90_PATH_A; eRFPath <pHalData->NumTotalRFPath;
  32          *  eRFPath++)
  33          */
  34         for (eRFPath = 0; eRFPath < RF90_PATH_MAX; eRFPath++) {
  35                 if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
  36                         continue;
  37
  38                 switch (Bandwidth) {
  39                 case HT_CHANNEL_WIDTH_20:
  40                                 if (priv->card_8192_version == VERSION_819xU_A
  41                                         || priv->card_8192_version
  42                                         == VERSION_819xU_B) { /* 8256 D-cut, E-cut, xiong: consider it later! */
  43                                         rtl8192_phy_SetRFReg(dev,
  44                                                 (RF90_RADIO_PATH_E)eRFPath,
  45                                                 0x0b, bMask12Bits, 0x100); /* phy para:1ba */
  46                                         rtl8192_phy_SetRFReg(dev,
  47                                                 (RF90_RADIO_PATH_E)eRFPath,
  48                                                 0x2c, bMask12Bits, 0x3d7);
  49                                         rtl8192_phy_SetRFReg(dev,
  50                                                 (RF90_RADIO_PATH_E)eRFPath,
  51                                                 0x0e, bMask12Bits, 0x021);
  52                                         rtl8192_phy_SetRFReg(dev,
  53                                                 (RF90_RADIO_PATH_E)eRFPath,
  54                                                 0x14, bMask12Bits, 0x5ab);
  55                                 } else {
  56                                         RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
  57                                         }
  58                                 break;
  59                 case HT_CHANNEL_WIDTH_20_40:
  60                                 if (priv->card_8192_version == VERSION_819xU_A || priv->card_8192_version == VERSION_819xU_B) { /* 8256 D-cut, E-cut, xiong: consider it later! */
  61                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x300); /* phy para:3ba */
  62                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3df);
  63                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x0a1);
  64
  65                                         if (priv->chan == 3 || priv->chan == 9)
  66                                                 /* I need to set priv->chan whenever current channel changes */
  67                                                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x59b);
  68                                         else
  69                                                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
  70                                 } else {
  71                                         RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
  72                                         }
  73                                 break;
  74                 default:
  75                                 RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown Bandwidth: %#X\n", Bandwidth);
  76                                 break;
  77
  78                 }
  79         }
  80 }
  81 /*--------------------------------------------------------------------------
  82  * Overview:    Interface to config 8256
  83  * Input:       struct net_device*      dev
  84  * Output:      NONE
  85  * Return:      NONE
  86  *---------------------------------------------------------------------------*/
  87 void PHY_RF8256_Config(struct net_device *dev)
  88 {
  89         struct r8192_priv *priv = ieee80211_priv(dev);
  90         /* Initialize general global value
  91          *
  92          * TODO: Extend RF_PATH_C and RF_PATH_D in the future
  93          */
  94         priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
  95         /* Config BB and RF */
  96         phy_RF8256_Config_ParaFile(dev);
  97 }
  98 /*--------------------------------------------------------------------------
  99  * Overview:    Interface to config 8256
 100  * Input:       struct net_device*      dev
 101  * Output:      NONE
 102  * Return:      NONE
 103  *---------------------------------------------------------------------------*/
 104 void phy_RF8256_Config_ParaFile(struct net_device *dev)
 105 {
 106         u32     u4RegValue = 0;
 107         u8      eRFPath;
 108         BB_REGISTER_DEFINITION_T        *pPhyReg;
 109         struct r8192_priv *priv = ieee80211_priv(dev);
 110         u32     RegOffSetToBeCheck = 0x3;
 111         u32     RegValueToBeCheck = 0x7f1;
 112         u32     RF3_Final_Value = 0;
 113         u8      ConstRetryTimes = 5, RetryTimes = 5;
 114         u8 ret = 0;
 115         /* Initialize RF */
 116         for (eRFPath = (RF90_RADIO_PATH_E)RF90_PATH_A; eRFPath < priv->NumTotalRFPath; eRFPath++) {
 117                 if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
 118                         continue;
 119
 120                 pPhyReg = &priv->PHYRegDef[eRFPath];
 121
 122                 /* Joseph test for shorten RF config
 123                  * pHalData->RfReg0Value[eRFPath] =  rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, rGlobalCtrl, bMaskDWord);
 124                  * ----Store original RFENV control type
 125                  */
 126                 switch (eRFPath) {
 127                 case RF90_PATH_A:
 128                 case RF90_PATH_C:
 129                         u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV);
 130                         break;
 131                 case RF90_PATH_B:
 132                 case RF90_PATH_D:
 133                         u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16);
 134                         break;
 135                 }
 136
 137                 /*----Set RF_ENV enable----*/
 138                 rtl8192_setBBreg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
 139
 140                 /*----Set RF_ENV output high----*/
 141                 rtl8192_setBBreg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
 142
 143                 /* Set bit number of Address and Data for RF register */
 144                 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireAddressLength, 0x0);  /* Set 0 to 4 bits for Z-serial and set 1 to 6 bits for 8258 */
 145                 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireDataLength, 0x0);     /* Set 0 to 12 bits for Z-serial and 8258, and set 1 to 14 bits for ??? */
 146
 147                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E) eRFPath, 0x0, bMask12Bits, 0xbf);
 148
 149                 /* Check RF block (for FPGA platform only)----
 150                  * TODO: this function should be removed on ASIC , Emily 2007.2.2
 151                  */
 152                 if (rtl8192_phy_checkBBAndRF(dev, HW90_BLOCK_RF, (RF90_RADIO_PATH_E)eRFPath)) {
 153                         RT_TRACE(COMP_ERR, "PHY_RF8256_Config():Check Radio[%d] Fail!!\n", eRFPath);
 154                         goto phy_RF8256_Config_ParaFile_Fail;
 155                 }
 156
 157                 RetryTimes = ConstRetryTimes;
 158                 RF3_Final_Value = 0;
 159                 /*----Initialize RF fom connfiguration file----*/
 160                 switch (eRFPath) {
 161                 case RF90_PATH_A:
 162                         while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
 163                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (RF90_RADIO_PATH_E)eRFPath);
 164                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 165                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 166                                 RetryTimes--;
 167                         }
 168                         break;
 169                 case RF90_PATH_B:
 170                         while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
 171                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (RF90_RADIO_PATH_E)eRFPath);
 172                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 173                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 174                                 RetryTimes--;
 175                         }
 176                         break;
 177                 case RF90_PATH_C:
 178                         while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
 179                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (RF90_RADIO_PATH_E)eRFPath);
 180                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 181                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 182                                 RetryTimes--;
 183                         }
 184                         break;
 185                 case RF90_PATH_D:
 186                         while (RF3_Final_Value != RegValueToBeCheck && RetryTimes != 0) {
 187                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev, (RF90_RADIO_PATH_E)eRFPath);
 188                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 189                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 190                                 RetryTimes--;
 191                         }
 192                         break;
 193                 }
 194
 195                 /*----Restore RFENV control type----*/;
 196                 switch (eRFPath) {
 197                 case RF90_PATH_A:
 198                 case RF90_PATH_C:
 199                         rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV, u4RegValue);
 200                         break;
 201                 case RF90_PATH_B:
 202                 case RF90_PATH_D:
 203                         rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16, u4RegValue);
 204                         break;
 205                 }
 206
 207                 if (ret) {
 208                         RT_TRACE(COMP_ERR, "phy_RF8256_Config_ParaFile():Radio[%d] Fail!!", eRFPath);
 209                         goto phy_RF8256_Config_ParaFile_Fail;
 210                 }
 211
 212         }
 213
 214         RT_TRACE(COMP_PHY, "PHY Initialization Success\n");
 215         return;
 216
 217 phy_RF8256_Config_ParaFile_Fail:
 218         RT_TRACE(COMP_ERR, "PHY Initialization failed\n");
 219 }
 220
 221
 222 void PHY_SetRF8256CCKTxPower(struct net_device *dev, u8 powerlevel)
 223 {
 224         u32     TxAGC = 0;
 225         struct r8192_priv *priv = ieee80211_priv(dev);
 226         TxAGC = powerlevel;
 227
 228         if (priv->bDynamicTxLowPower) {
 229                 if (priv->CustomerID == RT_CID_819x_Netcore)
 230                         TxAGC = 0x22;
 231                 else
 232                         TxAGC += priv->CckPwEnl;
 233         }
 234
 235         if (TxAGC > 0x24)
 236                 TxAGC = 0x24;
 237         rtl8192_setBBreg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
 238 }
 239
 240
 241 void PHY_SetRF8256OFDMTxPower(struct net_device *dev, u8 powerlevel)
 242 {
 243         struct r8192_priv *priv = ieee80211_priv(dev);
 244         /* Joseph TxPower for 8192 testing */
 245         u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
 246         u8 index = 0;
 247         u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
 248         u8 byte0, byte1, byte2, byte3;
 249
 250         powerBase0 = powerlevel + priv->TxPowerDiff;    /* OFDM rates */
 251         powerBase0 = (powerBase0<<24) | (powerBase0<<16) | (powerBase0<<8) | powerBase0;
 252         powerBase1 = powerlevel;                                                        /* MCS rates */
 253         powerBase1 = (powerBase1<<24) | (powerBase1<<16) | (powerBase1<<8) | powerBase1;
 254
 255         for (index = 0; index < 6; index++) {
 256                 writeVal = priv->MCSTxPowerLevelOriginalOffset[index] + ((index < 2)?powerBase0:powerBase1);
 257                 byte0 = (u8)(writeVal & 0x7f);
 258                 byte1 = (u8)((writeVal & 0x7f00)>>8);
 259                 byte2 = (u8)((writeVal & 0x7f0000)>>16);
 260                 byte3 = (u8)((writeVal & 0x7f000000)>>24);
 261
 262                 if (byte0 > 0x24)
 263                         /* Max power index = 0x24 */
 264                         byte0 = 0x24;
 265                 if (byte1 > 0x24)
 266                         byte1 = 0x24;
 267                 if (byte2 > 0x24)
 268                         byte2 = 0x24;
 269                 if (byte3 > 0x24)
 270                         byte3 = 0x24;
 271
 272                 /* for tx power track */
 273                 if (index == 3) {
 274                         writeVal_tmp = (byte3<<24) | (byte2<<16) | (byte1<<8) | byte0;
 275                         priv->Pwr_Track = writeVal_tmp;
 276                 }
 277
 278                 if (priv->bDynamicTxHighPower) {
 279                         /*Add by Jacken 2008/03/06
 280                          *Emily, 20080613. Set low tx power for both MCS and legacy OFDM
 281                          */
 282                         writeVal = 0x03030303;
 283                 } else {
 284                         writeVal = (byte3<<24) | (byte2<<16) | (byte1<<8) | byte0;
 285                         }
 286                         rtl8192_setBBreg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
 287         }
 288         return;
 289
 290 }