drivers/staging/rt2860/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 #ifndef RTMP_RF_RW_SUPPORT
  43 #error "You Should Enable compile flag RTMP_RF_RW_SUPPORT for this chip"
  44 #endif /* RTMP_RF_RW_SUPPORT // */
  45
  46 void NICInitRT3090RFRegisters(struct rt_rtmp_adapter *pAd)
  47 {
  48         int i;
  49         /* Driver must read EEPROM to get RfIcType before initial RF registers */
  50         /* Initialize RF register to default value */
  51         if (IS_RT3090(pAd)) {
  52                 /* Init RF calibration */
  53                 /* Driver should toggle RF R30 bit7 before init RF registers */
  54                 u32 RfReg = 0, data;
  55
  56                 RT30xxReadRFRegister(pAd, RF_R30, (u8 *)& RfReg);
  57                 RfReg |= 0x80;
  58                 RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
  59                 RTMPusecDelay(1000);
  60                 RfReg &= 0x7F;
  61                 RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
  62
  63                 /* init R24, R31 */
  64                 RT30xxWriteRFRegister(pAd, RF_R24, 0x0F);
  65                 RT30xxWriteRFRegister(pAd, RF_R31, 0x0F);
  66
  67                 /* RT309x version E has fixed this issue */
  68                 if ((pAd->NicConfig2.field.DACTestBit == 1)
  69                     && ((pAd->MACVersion & 0xffff) < 0x0211)) {
  70                         /* patch tx EVM issue temporarily */
  71                         RTMP_IO_READ32(pAd, LDO_CFG0, &data);
  72                         data = ((data & 0xE0FFFFFF) | 0x0D000000);
  73                         RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
  74                 } else {
  75                         RTMP_IO_READ32(pAd, LDO_CFG0, &data);
  76                         data = ((data & 0xE0FFFFFF) | 0x01000000);
  77                         RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
  78                 }
  79
  80                 /* patch LNA_PE_G1 failed issue */
  81                 RTMP_IO_READ32(pAd, GPIO_SWITCH, &data);
  82                 data &= ~(0x20);
  83                 RTMP_IO_WRITE32(pAd, GPIO_SWITCH, data);
  84
  85                 /* Initialize RF register to default value */
  86                 for (i = 0; i < NUM_RF_REG_PARMS; i++) {
  87                         RT30xxWriteRFRegister(pAd,
  88                                               RT30xx_RFRegTable[i].Register,
  89                                               RT30xx_RFRegTable[i].Value);
  90                 }
  91
  92                 /* Driver should set RF R6 bit6 on before calibration */
  93                 RT30xxReadRFRegister(pAd, RF_R06, (u8 *)& RfReg);
  94                 RfReg |= 0x40;
  95                 RT30xxWriteRFRegister(pAd, RF_R06, (u8)RfReg);
  96
  97                 /*For RF filter Calibration */
  98                 RTMPFilterCalibration(pAd);
  99
 100                 /* Initialize RF R27 register, set RF R27 must be behind RTMPFilterCalibration() */
 101                 if ((pAd->MACVersion & 0xffff) < 0x0211)
 102                         RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
 103
 104                 /* set led open drain enable */
 105                 RTMP_IO_READ32(pAd, OPT_14, &data);
 106                 data |= 0x01;
 107                 RTMP_IO_WRITE32(pAd, OPT_14, data);
 108
 109                 /* set default antenna as main */
 110                 if (pAd->RfIcType == RFIC_3020)
 111                         AsicSetRxAnt(pAd, pAd->RxAnt.Pair1PrimaryRxAnt);
 112
 113                 /* add by johnli, RF power sequence setup, load RF normal operation-mode setup */
 114                 RT30xxLoadRFNormalModeSetup(pAd);
 115         }
 116
 117 }
 118
 119 #endif /* RT3090 // */