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)        //20M or 40M
  27 {
  28         u8      eRFPath;
  29         struct r8192_priv *priv = ieee80211_priv(dev);
  30
  31         //for(eRFPath = RF90_PATH_A; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
  32         for(eRFPath = 0; eRFPath <RF90_PATH_MAX; eRFPath++)
  33         {
  34                 if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
  35                                 continue;
  36
  37                 switch(Bandwidth)
  38                 {
  39                         case HT_CHANNEL_WIDTH_20:
  40                                 if(priv->card_8192_version == VERSION_819xU_A || priv->card_8192_version == VERSION_819xU_B)// 8256 D-cut, E-cut, xiong: consider it later!
  41                                 {
  42                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x100); //phy para:1ba
  43                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3d7);
  44                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x021);
  45
  46                                         //cosa add for sd3's request 01/23/2008
  47                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
  48                                 }
  49                                 else
  50                                 {
  51                                         RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
  52                                 }
  53
  54                                 break;
  55                         case HT_CHANNEL_WIDTH_20_40:
  56                                 if(priv->card_8192_version == VERSION_819xU_A ||priv->card_8192_version == VERSION_819xU_B)// 8256 D-cut, E-cut, xiong: consider it later!
  57                                 {
  58                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x300); //phy para:3ba
  59                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3df);
  60                                         rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x0a1);
  61
  62                                         //cosa add for sd3's request 01/23/2008
  63                                         if(priv->chan == 3 || priv->chan == 9) //I need to set priv->chan whenever current channel changes
  64                                                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x59b);
  65                                         else
  66                                                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
  67                                 }
  68                                 else
  69                                 {
  70                                         RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
  71                                 }
  72
  73
  74                                 break;
  75                         default:
  76                                 RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown Bandwidth: %#X\n",Bandwidth );
  77                                 break;
  78
  79                 }
  80         }
  81         return;
  82 }
  83 /*--------------------------------------------------------------------------
  84  * Overview:    Interface to config 8256
  85  * Input:       struct net_device*      dev
  86  * Output:      NONE
  87  * Return:      NONE
  88  *---------------------------------------------------------------------------*/
  89 void PHY_RF8256_Config(struct net_device* dev)
  90 {
  91         struct r8192_priv *priv = ieee80211_priv(dev);
  92         // Initialize general global value
  93         //
  94         // TODO: Extend RF_PATH_C and RF_PATH_D in the future
  95         priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
  96         // Config BB and RF
  97         phy_RF8256_Config_ParaFile(dev);
  98
  99         return;
 100 }
 101 /*--------------------------------------------------------------------------
 102  * Overview:    Interface to config 8256
 103  * Input:       struct net_device*      dev
 104  * Output:      NONE
 105  * Return:      NONE
 106  *---------------------------------------------------------------------------*/
 107 void phy_RF8256_Config_ParaFile(struct net_device* dev)
 108 {
 109         u32     u4RegValue = 0;
 110         //static s1Byte                         szRadioAFile[] = RTL819X_PHY_RADIO_A;
 111         //static s1Byte                         szRadioBFile[] = RTL819X_PHY_RADIO_B;
 112         //static s1Byte                         szRadioCFile[] = RTL819X_PHY_RADIO_C;
 113         //static s1Byte                         szRadioDFile[] = RTL819X_PHY_RADIO_D;
 114         u8      eRFPath;
 115         BB_REGISTER_DEFINITION_T        *pPhyReg;
 116         struct r8192_priv *priv = ieee80211_priv(dev);
 117         u32     RegOffSetToBeCheck = 0x3;
 118         u32     RegValueToBeCheck = 0x7f1;
 119         u32     RF3_Final_Value = 0;
 120         u8      ConstRetryTimes = 5, RetryTimes = 5;
 121         u8 ret = 0;
 122         //3//-----------------------------------------------------------------
 123         //3// <2> Initialize RF
 124         //3//-----------------------------------------------------------------
 125         for(eRFPath = (RF90_RADIO_PATH_E)RF90_PATH_A; eRFPath <priv->NumTotalRFPath; eRFPath++)
 126         {
 127                 if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
 128                                 continue;
 129
 130                 pPhyReg = &priv->PHYRegDef[eRFPath];
 131
 132                 // Joseph test for shorten RF config
 133         //      pHalData->RfReg0Value[eRFPath] =  rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, rGlobalCtrl, bMaskDWord);
 134
 135                 /*----Store original RFENV control type----*/
 136                 switch(eRFPath)
 137                 {
 138                 case RF90_PATH_A:
 139                 case RF90_PATH_C:
 140                         u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV);
 141                         break;
 142                 case RF90_PATH_B :
 143                 case RF90_PATH_D:
 144                         u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16);
 145                         break;
 146                 }
 147
 148                 /*----Set RF_ENV enable----*/
 149                 rtl8192_setBBreg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
 150
 151                 /*----Set RF_ENV output high----*/
 152                 rtl8192_setBBreg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
 153
 154                 /* Set bit number of Address and Data for RF register */
 155                 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireAddressLength, 0x0);  // Set 0 to 4 bits for Z-serial and set 1 to 6 bits for 8258
 156                 rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireDataLength, 0x0);     // Set 0 to 12 bits for Z-serial and 8258, and set 1 to 14 bits for ???
 157
 158                 rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E) eRFPath, 0x0, bMask12Bits, 0xbf);
 159
 160                 /*----Check RF block (for FPGA platform only)----*/
 161                 // TODO: this function should be removed on ASIC , Emily 2007.2.2
 162                 if (rtl8192_phy_checkBBAndRF(dev, HW90_BLOCK_RF, (RF90_RADIO_PATH_E)eRFPath))
 163                 {
 164                         RT_TRACE(COMP_ERR, "PHY_RF8256_Config():Check Radio[%d] Fail!!\n", eRFPath);
 165                         goto phy_RF8256_Config_ParaFile_Fail;
 166                 }
 167
 168                 RetryTimes = ConstRetryTimes;
 169                 RF3_Final_Value = 0;
 170                 /*----Initialize RF fom connfiguration file----*/
 171                 switch(eRFPath)
 172                 {
 173                 case RF90_PATH_A:
 174                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
 175                         {
 176                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
 177                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 178                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 179                                 RetryTimes--;
 180                         }
 181                         break;
 182                 case RF90_PATH_B:
 183                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
 184                         {
 185                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
 186                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 187                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 188                                 RetryTimes--;
 189                         }
 190                         break;
 191                 case RF90_PATH_C:
 192                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
 193                         {
 194                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
 195                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 196                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 197                                 RetryTimes--;
 198                         }
 199                         break;
 200                 case RF90_PATH_D:
 201                         while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
 202                         {
 203                                 ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
 204                                 RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
 205                                 RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
 206                                 RetryTimes--;
 207                         }
 208                         break;
 209                 }
 210
 211                 /*----Restore RFENV control type----*/;
 212                 switch(eRFPath)
 213                 {
 214                 case RF90_PATH_A:
 215                 case RF90_PATH_C:
 216                         rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV, u4RegValue);
 217                         break;
 218                 case RF90_PATH_B :
 219                 case RF90_PATH_D:
 220                         rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16, u4RegValue);
 221                         break;
 222                 }
 223
 224                 if(ret){
 225                         RT_TRACE(COMP_ERR, "phy_RF8256_Config_ParaFile():Radio[%d] Fail!!", eRFPath);
 226                         goto phy_RF8256_Config_ParaFile_Fail;
 227                 }
 228
 229         }
 230
 231         RT_TRACE(COMP_PHY, "PHY Initialization Success\n") ;
 232         return ;
 233
 234 phy_RF8256_Config_ParaFile_Fail:
 235         RT_TRACE(COMP_ERR, "PHY Initialization failed\n") ;
 236         return ;
 237 }
 238
 239
 240 void PHY_SetRF8256CCKTxPower(struct net_device* dev, u8 powerlevel)
 241 {
 242         u32     TxAGC=0;
 243         struct r8192_priv *priv = ieee80211_priv(dev);
 244         //modified by vivi, 20080109
 245         TxAGC = powerlevel;
 246
 247         if(priv->bDynamicTxLowPower == TRUE ) //cosa 05/22/2008 for scan
 248         {
 249                 if(priv->CustomerID == RT_CID_819x_Netcore)
 250                         TxAGC = 0x22;
 251                 else
 252                 TxAGC += priv->CckPwEnl;
 253         }
 254
 255         if(TxAGC > 0x24)
 256                 TxAGC = 0x24;
 257         rtl8192_setBBreg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
 258 }
 259
 260
 261 void PHY_SetRF8256OFDMTxPower(struct net_device* dev, u8 powerlevel)
 262 {
 263         struct r8192_priv *priv = ieee80211_priv(dev);
 264         //Joseph TxPower for 8192 testing
 265         u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
 266         u8 index = 0;
 267         u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
 268         u8 byte0, byte1, byte2, byte3;
 269
 270         powerBase0 = powerlevel + priv->TxPowerDiff;    //OFDM rates
 271         powerBase0 = (powerBase0<<24) | (powerBase0<<16) |(powerBase0<<8) |powerBase0;
 272         powerBase1 = powerlevel;                                                        //MCS rates
 273         powerBase1 = (powerBase1<<24) | (powerBase1<<16) |(powerBase1<<8) |powerBase1;
 274
 275         for(index=0; index<6; index++)
 276         {
 277                 writeVal = priv->MCSTxPowerLevelOriginalOffset[index] + ((index<2)?powerBase0:powerBase1);
 278                 byte0 = (u8)(writeVal & 0x7f);
 279                 byte1 = (u8)((writeVal & 0x7f00)>>8);
 280                 byte2 = (u8)((writeVal & 0x7f0000)>>16);
 281                 byte3 = (u8)((writeVal & 0x7f000000)>>24);
 282                 if(byte0 > 0x24)        // Max power index = 0x24
 283                         byte0 = 0x24;
 284                 if(byte1 > 0x24)
 285                         byte1 = 0x24;
 286                 if(byte2 > 0x24)
 287                         byte2 = 0x24;
 288                 if(byte3 > 0x24)
 289                         byte3 = 0x24;
 290
 291                 //for tx power track
 292                 if(index == 3)
 293                 {
 294                         writeVal_tmp = (byte3<<24) | (byte2<<16) |(byte1<<8) |byte0;
 295                         priv->Pwr_Track = writeVal_tmp;
 296                 }
 297
 298                 if(priv->bDynamicTxHighPower == TRUE)     //Add by Jacken 2008/03/06
 299                 {
 300                         // Emily, 20080613. Set low tx power for both MCS and legacy OFDM
 301                         writeVal = 0x03030303;
 302                 }
 303                 else
 304                 {
 305                         writeVal = (byte3<<24) | (byte2<<16) |(byte1<<8) |byte0;
 306                 }
 307                 rtl8192_setBBreg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
 308         }
 309         return;
 310
 311 }
 312