drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/OUTSRC/odm_DynamicBBPowerSaving.c

   1 /******************************************************************************\r
   2  *\r
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.\r
   4  *                                        \r
   5  * This program is free software; you can redistribute it and/or modify it\r
   6  * under the terms of version 2 of the GNU General Public License as\r
   7  * published by the Free Software Foundation.\r
   8  *\r
   9  * This program is distributed in the hope that it will be useful, but WITHOUT\r
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
  12  * more details.\r
  13  *\r
  14  * You should have received a copy of the GNU General Public License along with\r
  15  * this program; if not, write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA\r
  17  *\r
  18  *\r
  19  ******************************************************************************/\r
  20 \r
  21 //============================================================\r
  22 // include files\r
  23 //============================================================\r
  24 \r
  25 #include "odm_precomp.h"\r
  26 \r
  27 VOID \r
  28 odm_DynamicBBPowerSavingInit(
  29         IN              PVOID                                   pDM_VOID\r
  30         )
  31 {
  32         PDM_ODM_T               pDM_Odm = (PDM_ODM_T)pDM_VOID;\r
  33         pPS_T   pDM_PSTable = &pDM_Odm->DM_PSTable;\r
  34
  35         pDM_PSTable->PreCCAState = CCA_MAX;
  36         pDM_PSTable->CurCCAState = CCA_MAX;
  37         pDM_PSTable->PreRFState = RF_MAX;
  38         pDM_PSTable->CurRFState = RF_MAX;
  39         pDM_PSTable->Rssi_val_min = 0;
  40         pDM_PSTable->initialize = 0;
  41 }
  42
  43
  44 VOID
  45 odm_DynamicBBPowerSaving(
  46         IN              PVOID                                   pDM_VOID\r
  47         )
  48 {
  49         PDM_ODM_T               pDM_Odm = (PDM_ODM_T)pDM_VOID;\r
  50 #if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))\r
  51
  52         if (pDM_Odm->SupportICType != ODM_RTL8723A)
  53                 return;
  54         if(!(pDM_Odm->SupportAbility & ODM_BB_PWR_SAVE))
  55                 return;
  56         if(!(pDM_Odm->SupportPlatform & (ODM_WIN|ODM_CE)))
  57                 return;
  58
  59         //1 2.Power Saving for 92C
  60         if((pDM_Odm->SupportICType == ODM_RTL8192C) &&(pDM_Odm->RFType == ODM_2T2R))
  61         {
  62                 odm_1R_CCA(pDM_Odm);
  63         }
  64
  65         // 20100628 Joseph: Turn off BB power save for 88CE because it makesthroughput unstable.
  66         // 20100831 Joseph: Turn ON BB power save again after modifying AGC delay from 900ns ot 600ns.
  67         //1 3.Power Saving for 88C
  68         else
  69         {
  70                 ODM_RF_Saving(pDM_Odm, FALSE);
  71         }
  72 #endif  // #if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
  73
  74 }
  75
  76 VOID
  77 odm_1R_CCA(
  78         IN              PVOID                                   pDM_VOID\r
  79         )
  80 {
  81         PDM_ODM_T               pDM_Odm = (PDM_ODM_T)pDM_VOID;\r
  82         pPS_T   pDM_PSTable = &pDM_Odm->DM_PSTable;\r
  83
  84         if(pDM_Odm->RSSI_Min!= 0xFF)
  85         {
  86
  87                 if(pDM_PSTable->PreCCAState == CCA_2R)
  88                 {
  89                         if(pDM_Odm->RSSI_Min >= 35)
  90                                 pDM_PSTable->CurCCAState = CCA_1R;
  91                         else
  92                                 pDM_PSTable->CurCCAState = CCA_2R;
  93
  94                 }
  95                 else{
  96                         if(pDM_Odm->RSSI_Min <= 30)
  97                                 pDM_PSTable->CurCCAState = CCA_2R;
  98                         else
  99                                 pDM_PSTable->CurCCAState = CCA_1R;
 100                 }
 101         }
 102         else{
 103                 pDM_PSTable->CurCCAState=CCA_MAX;
 104         }
 105
 106         if(pDM_PSTable->PreCCAState != pDM_PSTable->CurCCAState)
 107         {
 108                 if(pDM_PSTable->CurCCAState == CCA_1R)
 109                 {
 110                         if(  pDM_Odm->RFType ==ODM_2T2R )
 111                         {
 112                                 ODM_SetBBReg(pDM_Odm, 0xc04  , bMaskByte0, 0x13);
 113                                 //PHY_SetBBReg(pAdapter, 0xe70, bMaskByte3, 0x20);
 114                         }
 115                         else
 116                         {
 117                                 ODM_SetBBReg(pDM_Odm, 0xc04  , bMaskByte0, 0x23);
 118                                 //PHY_SetBBReg(pAdapter, 0xe70, 0x7fc00000, 0x10c); // Set RegE70[30:22] = 9b'100001100
 119                         }
 120                 }
 121                 else
 122                 {
 123                         ODM_SetBBReg(pDM_Odm, 0xc04  , bMaskByte0, 0x33);
 124                         //PHY_SetBBReg(pAdapter,0xe70, bMaskByte3, 0x63);
 125                 }
 126                 pDM_PSTable->PreCCAState = pDM_PSTable->CurCCAState;
 127         }
 128 }
 129
 130 void
 131 ODM_RF_Saving(
 132         IN              PVOID                                   pDM_VOID,\r
 133         IN      u1Byte          bForceInNormal
 134         )
 135 {
 136         PDM_ODM_T               pDM_Odm = (PDM_ODM_T)pDM_VOID;\r
 137 #if (DM_ODM_SUPPORT_TYPE != ODM_AP)\r
 138         pPS_T   pDM_PSTable = &pDM_Odm->DM_PSTable;
 139         u1Byte  Rssi_Up_bound = 30 ;
 140         u1Byte  Rssi_Low_bound = 25;
 141 #if (DM_ODM_SUPPORT_TYPE == ODM_CE)\r
 142         if(pDM_Odm->PatchID == 40 ) //RT_CID_819x_FUNAI_TV
 143         {
 144                 Rssi_Up_bound = 50 ;
 145                 Rssi_Low_bound = 45;
 146         }
 147 #endif\r
 148         if(pDM_PSTable->initialize == 0){
 149
 150                 pDM_PSTable->Reg874 = (ODM_GetBBReg(pDM_Odm, 0x874, bMaskDWord)&0x1CC000)>>14;
 151                 pDM_PSTable->RegC70 = (ODM_GetBBReg(pDM_Odm, 0xc70, bMaskDWord)&BIT3)>>3;
 152                 pDM_PSTable->Reg85C = (ODM_GetBBReg(pDM_Odm, 0x85c, bMaskDWord)&0xFF000000)>>24;
 153                 pDM_PSTable->RegA74 = (ODM_GetBBReg(pDM_Odm, 0xa74, bMaskDWord)&0xF000)>>12;
 154                 //Reg818 = PHY_QueryBBReg(pAdapter, 0x818, bMaskDWord);
 155                 pDM_PSTable->initialize = 1;
 156         }
 157
 158         if(!bForceInNormal)
 159         {
 160                 if(pDM_Odm->RSSI_Min != 0xFF)
 161                 {
 162                         if(pDM_PSTable->PreRFState == RF_Normal)
 163                         {
 164                                 if(pDM_Odm->RSSI_Min >= Rssi_Up_bound)
 165                                         pDM_PSTable->CurRFState = RF_Save;
 166                                 else
 167                                         pDM_PSTable->CurRFState = RF_Normal;
 168                         }
 169                         else{
 170                                 if(pDM_Odm->RSSI_Min <= Rssi_Low_bound)
 171                                         pDM_PSTable->CurRFState = RF_Normal;
 172                                 else
 173                                         pDM_PSTable->CurRFState = RF_Save;
 174                         }
 175                 }
 176                 else
 177                         pDM_PSTable->CurRFState=RF_MAX;
 178         }
 179         else
 180         {
 181                 pDM_PSTable->CurRFState = RF_Normal;
 182         }
 183
 184         if(pDM_PSTable->PreRFState != pDM_PSTable->CurRFState)
 185         {
 186                 if(pDM_PSTable->CurRFState == RF_Save)
 187                 {
 188                         // <tynli_note> 8723 RSSI report will be wrong. Set 0x874[5]=1 when enter BB power saving mode.
 189                         // Suggested by SD3 Yu-Nan. 2011.01.20.
 190                         if(pDM_Odm->SupportICType == ODM_RTL8723A)
 191                         {
 192                                 ODM_SetBBReg(pDM_Odm, 0x874  , BIT5, 0x1); //Reg874[5]=1b'1
 193                         }
 194                         ODM_SetBBReg(pDM_Odm, 0x874  , 0x1C0000, 0x2); //Reg874[20:18]=3'b010
 195                         ODM_SetBBReg(pDM_Odm, 0xc70, BIT3, 0); //RegC70[3]=1'b0
 196                         ODM_SetBBReg(pDM_Odm, 0x85c, 0xFF000000, 0x63); //Reg85C[31:24]=0x63
 197                         ODM_SetBBReg(pDM_Odm, 0x874, 0xC000, 0x2); //Reg874[15:14]=2'b10
 198                         ODM_SetBBReg(pDM_Odm, 0xa74, 0xF000, 0x3); //RegA75[7:4]=0x3
 199                         ODM_SetBBReg(pDM_Odm, 0x818, BIT28, 0x0); //Reg818[28]=1'b0
 200                         ODM_SetBBReg(pDM_Odm, 0x818, BIT28, 0x1); //Reg818[28]=1'b1
 201                 }
 202                 else
 203                 {
 204                         ODM_SetBBReg(pDM_Odm, 0x874  , 0x1CC000, pDM_PSTable->Reg874);
 205                         ODM_SetBBReg(pDM_Odm, 0xc70, BIT3, pDM_PSTable->RegC70);
 206                         ODM_SetBBReg(pDM_Odm, 0x85c, 0xFF000000, pDM_PSTable->Reg85C);
 207                         ODM_SetBBReg(pDM_Odm, 0xa74, 0xF000, pDM_PSTable->RegA74);
 208                         ODM_SetBBReg(pDM_Odm,0x818, BIT28, 0x0);
 209
 210                         if(pDM_Odm->SupportICType == ODM_RTL8723A)
 211                         {
 212                                 ODM_SetBBReg(pDM_Odm,0x874  , BIT5, 0x0); //Reg874[5]=1b'0
 213                         }
 214                 }
 215                 pDM_PSTable->PreRFState =pDM_PSTable->CurRFState;
 216         }
 217 #endif
 218 }