text: /*
   *************************************************************************
   * Ralink Tech Inc.
   * 5F., No.36, Taiyuan St., Jhubei City,
   * Hsinchu County 302,
   * Taiwan, R.O.C.
   *
   * (c) Copyright 2002-2007, Ralink Technology, Inc.
   *
   * This program is free software; you can redistribute it and/or modify  *
   * it under the terms of the GNU General Public License as published by  *
   * the Free Software Foundation; either version 2 of the License, or     *
   * (at your option) any later version.                                   *
   *                                                                       *
   * This program is distributed in the hope that it will be useful,       *
   * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
   * GNU General Public License for more details.                          *
   *                                                                       *
   * You should have received a copy of the GNU General Public License     *
   * along with this program; if not, write to the                         *
   * Free Software Foundation, Inc.,                                       *
   * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
   *                                                                       *
   *************************************************************************
  
  	Module Name:
  	rt3090.c
  
  	Abstract:
  	Specific funcitons and variables for RT3070
  
  	Revision History:
  	Who         When          What
  	--------    ----------    ----------------------------------------------
  */
  
  #ifdef RT3090
  
  #include "../rt_config.h"
  
  
  #ifndef RTMP_RF_RW_SUPPORT
  #error "You Should Enable compile flag RTMP_RF_RW_SUPPORT for this chip"
  #endif // RTMP_RF_RW_SUPPORT //
  
  
  VOID NICInitRT3090RFRegisters(IN PRTMP_ADAPTER pAd)
  {
  		INT i;
  	// Driver must read EEPROM to get RfIcType before initial RF registers
  	// Initialize RF register to default value
  	if (IS_RT3090(pAd))
  	{
  		// Init RF calibration
  		// Driver should toggle RF R30 bit7 before init RF registers
  		UINT32 RfReg = 0, data;
  
  		RT30xxReadRFRegister(pAd, RF_R30, (PUCHAR)&RfReg);
  		RfReg |= 0x80;
  		RT30xxWriteRFRegister(pAd, RF_R30, (UCHAR)RfReg);
  		RTMPusecDelay(1000);
  		RfReg &= 0x7F;
  		RT30xxWriteRFRegister(pAd, RF_R30, (UCHAR)RfReg);
  
  		// init R24, R31
  		RT30xxWriteRFRegister(pAd, RF_R24, 0x0F);
  		RT30xxWriteRFRegister(pAd, RF_R31, 0x0F);
  
  		// RT309x version E has fixed this issue
  		if ((pAd->NicConfig2.field.DACTestBit == 1) && ((pAd->MACVersion & 0xffff) < 0x0211))
  		{
  			// patch tx EVM issue temporarily
  			RTMP_IO_READ32(pAd, LDO_CFG0, &data);
  			data = ((data & 0xE0FFFFFF) | 0x0D000000);
  			RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
  		}
  		else
  		{
  			RTMP_IO_READ32(pAd, LDO_CFG0, &data);
  			data = ((data & 0xE0FFFFFF) | 0x01000000);
  			RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
  		}
  
  		// patch LNA_PE_G1 failed issue
  		RTMP_IO_READ32(pAd, GPIO_SWITCH, &data);
  		data &= ~(0x20);
  		RTMP_IO_WRITE32(pAd, GPIO_SWITCH, data);
  
  		// Initialize RF register to default value
  		for (i = 0; i < NUM_RF_REG_PARMS; i++)
  		{
  			RT30xxWriteRFRegister(pAd, RT30xx_RFRegTable[i].Register, RT30xx_RFRegTable[i].Value);
  		}
  
  		// Driver should set RF R6 bit6 on before calibration
  		RT30xxReadRFRegister(pAd, RF_R06, (PUCHAR)&RfReg);
  		RfReg |= 0x40;
  		RT30xxWriteRFRegister(pAd, RF_R06, (UCHAR)RfReg);
  
  		//For RF filter Calibration
  		RTMPFilterCalibration(pAd);
  
  		// Initialize RF R27 register, set RF R27 must be behind RTMPFilterCalibration()
  		if ((pAd->MACVersion & 0xffff) < 0x0211)
  			RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
  
  		// set led open drain enable
  		RTMP_IO_READ32(pAd, OPT_14, &data);
  		data |= 0x01;
  		RTMP_IO_WRITE32(pAd, OPT_14, data);
  
  		// set default antenna as main
  		if (pAd->RfIcType == RFIC_3020)
  			AsicSetRxAnt(pAd, pAd->RxAnt.Pair1PrimaryRxAnt);
  
  		// add by johnli, RF power sequence setup, load RF normal operation-mode setup
  		RT30xxLoadRFNormalModeSetup(pAd);
  	}
  
  }
  
  #endif // RT3090 //
  