drivers/staging/rt3090/chips/rt3090.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26
  27         Module Name:
  28         rt3090.c
  29
  30         Abstract:
  31         Specific funcitons and variables for RT3070
  32
  33         Revision History:
  34         Who         When          What
  35         --------    ----------    ----------------------------------------------
  36 */
  37
  38 #ifdef RT3090
  39
  40 #include "../rt_config.h"
  41
  42
  43 #ifndef RTMP_RF_RW_SUPPORT
  44 #error "You Should Enable compile flag RTMP_RF_RW_SUPPORT for this chip"
  45 #endif // RTMP_RF_RW_SUPPORT //
  46
  47
  48 VOID NICInitRT3090RFRegisters(IN PRTMP_ADAPTER pAd)
  49 {
  50                 INT i;
  51         // Driver must read EEPROM to get RfIcType before initial RF registers
  52         // Initialize RF register to default value
  53         if (IS_RT3090(pAd))
  54         {
  55                 // Init RF calibration
  56                 // Driver should toggle RF R30 bit7 before init RF registers
  57                 UINT32 RfReg = 0, data;
  58
  59                 RT30xxReadRFRegister(pAd, RF_R30, (PUCHAR)&RfReg);
  60                 RfReg |= 0x80;
  61                 RT30xxWriteRFRegister(pAd, RF_R30, (UCHAR)RfReg);
  62                 RTMPusecDelay(1000);
  63                 RfReg &= 0x7F;
  64                 RT30xxWriteRFRegister(pAd, RF_R30, (UCHAR)RfReg);
  65
  66                 // init R24, R31
  67                 RT30xxWriteRFRegister(pAd, RF_R24, 0x0F);
  68                 RT30xxWriteRFRegister(pAd, RF_R31, 0x0F);
  69
  70                 // RT309x version E has fixed this issue
  71                 if ((pAd->NicConfig2.field.DACTestBit == 1) && ((pAd->MACVersion & 0xffff) < 0x0211))
  72                 {
  73                         // patch tx EVM issue temporarily
  74                         RTMP_IO_READ32(pAd, LDO_CFG0, &data);
  75                         data = ((data & 0xE0FFFFFF) | 0x0D000000);
  76                         RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
  77                 }
  78                 else
  79                 {
  80                         RTMP_IO_READ32(pAd, LDO_CFG0, &data);
  81                         data = ((data & 0xE0FFFFFF) | 0x01000000);
  82                         RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
  83                 }
  84
  85                 // patch LNA_PE_G1 failed issue
  86                 RTMP_IO_READ32(pAd, GPIO_SWITCH, &data);
  87                 data &= ~(0x20);
  88                 RTMP_IO_WRITE32(pAd, GPIO_SWITCH, data);
  89
  90                 // Initialize RF register to default value
  91                 for (i = 0; i < NUM_RF_REG_PARMS; i++)
  92                 {
  93                         RT30xxWriteRFRegister(pAd, RT30xx_RFRegTable[i].Register, RT30xx_RFRegTable[i].Value);
  94                 }
  95
  96                 // Driver should set RF R6 bit6 on before calibration
  97                 RT30xxReadRFRegister(pAd, RF_R06, (PUCHAR)&RfReg);
  98                 RfReg |= 0x40;
  99                 RT30xxWriteRFRegister(pAd, RF_R06, (UCHAR)RfReg);
 100
 101                 //For RF filter Calibration
 102                 RTMPFilterCalibration(pAd);
 103
 104                 // Initialize RF R27 register, set RF R27 must be behind RTMPFilterCalibration()
 105                 if ((pAd->MACVersion & 0xffff) < 0x0211)
 106                         RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
 107
 108                 // set led open drain enable
 109                 RTMP_IO_READ32(pAd, OPT_14, &data);
 110                 data |= 0x01;
 111                 RTMP_IO_WRITE32(pAd, OPT_14, data);
 112
 113                 // set default antenna as main
 114                 if (pAd->RfIcType == RFIC_3020)
 115                         AsicSetRxAnt(pAd, pAd->RxAnt.Pair1PrimaryRxAnt);
 116
 117                 // add by johnli, RF power sequence setup, load RF normal operation-mode setup
 118                 RT30xxLoadRFNormalModeSetup(pAd);
 119         }
 120
 121 }
 122
 123 #endif // RT3090 //