xref: /drivers/staging/rtl8192u/r8190_rtl8256.c

/*
  This is part of the rtl8192 driver
  released under the GPL (See file COPYING for details).

  This files contains programming code for the rtl8256
  radio frontend.

  *Many* thanks to Realtek Corp. for their great support!

*/

#include "r8192U.h"
#include "r8192U_hw.h"
#include "r819xU_phyreg.h"
#include "r819xU_phy.h"
#include "r8190_rtl8256.h"

/*--------------------------------------------------------------------------
 * Overview:   	set RF band width (20M or 40M)
 * Input:       struct net_device*	dev
 * 		WIRELESS_BANDWIDTH_E	Bandwidth	//20M or 40M
 * Output:      NONE
 * Return:      NONE
 * Note:	8226 support both 20M  and 40 MHz
 *---------------------------------------------------------------------------*/
void PHY_SetRF8256Bandwidth(struct net_device* dev , HT_CHANNEL_WIDTH Bandwidth)	//20M or 40M
{
	u8	eRFPath;
	struct r8192_priv *priv = ieee80211_priv(dev);

	//for(eRFPath = RF90_PATH_A; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
	for(eRFPath = 0; eRFPath <RF90_PATH_MAX; eRFPath++)
	{
		if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
				continue;

		switch(Bandwidth)
		{
			case HT_CHANNEL_WIDTH_20:
				if(priv->card_8192_version == VERSION_819xU_A || priv->card_8192_version == VERSION_819xU_B)// 8256 D-cut, E-cut, xiong: consider it later!
				{
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x100); //phy para:1ba
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3d7);
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x021);

					//cosa add for sd3's request 01/23/2008
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
				}
				else
				{
					RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
				}

				break;
			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!
				{
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0b, bMask12Bits, 0x300); //phy para:3ba
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x2c, bMask12Bits, 0x3df);
					rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x0e, bMask12Bits, 0x0a1);

					//cosa add for sd3's request 01/23/2008
					if(priv->chan == 3 || priv->chan == 9) //I need to set priv->chan whenever current channel changes
						rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x59b);
					else
						rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x14, bMask12Bits, 0x5ab);
				}
				else
				{
					RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown hardware version\n");
				}


				break;
			default:
				RT_TRACE(COMP_ERR, "PHY_SetRF8256Bandwidth(): unknown Bandwidth: %#X\n",Bandwidth );
				break;

		}
	}
	return;
}
/*--------------------------------------------------------------------------
 * Overview:    Interface to config 8256
 * Input:       struct net_device*	dev
 * Output:      NONE
 * Return:      NONE
 *---------------------------------------------------------------------------*/
void PHY_RF8256_Config(struct net_device* dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	// Initialize general global value
	//
	// TODO: Extend RF_PATH_C and RF_PATH_D in the future
	priv->NumTotalRFPath = RTL819X_TOTAL_RF_PATH;
	// Config BB and RF
	phy_RF8256_Config_ParaFile(dev);

	return;
}
/*--------------------------------------------------------------------------
 * Overview:    Interface to config 8256
 * Input:       struct net_device*	dev
 * Output:      NONE
 * Return:      NONE
 *---------------------------------------------------------------------------*/
void phy_RF8256_Config_ParaFile(struct net_device* dev)
{
	u32 	u4RegValue = 0;
	//static s1Byte				szRadioAFile[] = RTL819X_PHY_RADIO_A;
	//static s1Byte				szRadioBFile[] = RTL819X_PHY_RADIO_B;
	//static s1Byte				szRadioCFile[] = RTL819X_PHY_RADIO_C;
	//static s1Byte				szRadioDFile[] = RTL819X_PHY_RADIO_D;
	u8 	eRFPath;
	BB_REGISTER_DEFINITION_T	*pPhyReg;
	struct r8192_priv *priv = ieee80211_priv(dev);
	u32	RegOffSetToBeCheck = 0x3;
	u32 	RegValueToBeCheck = 0x7f1;
	u32	RF3_Final_Value = 0;
	u8	ConstRetryTimes = 5, RetryTimes = 5;
	u8 ret = 0;
	//3//-----------------------------------------------------------------
	//3// <2> Initialize RF
	//3//-----------------------------------------------------------------
	for(eRFPath = (RF90_RADIO_PATH_E)RF90_PATH_A; eRFPath <priv->NumTotalRFPath; eRFPath++)
	{
		if (!rtl8192_phy_CheckIsLegalRFPath(dev, eRFPath))
				continue;

		pPhyReg = &priv->PHYRegDef[eRFPath];

		// Joseph test for shorten RF config
	//	pHalData->RfReg0Value[eRFPath] =  rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, rGlobalCtrl, bMaskDWord);

		/*----Store original RFENV control type----*/
		switch(eRFPath)
		{
		case RF90_PATH_A:
		case RF90_PATH_C:
			u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV);
			break;
		case RF90_PATH_B :
		case RF90_PATH_D:
			u4RegValue = rtl8192_QueryBBReg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16);
			break;
		}

		/*----Set RF_ENV enable----*/
		rtl8192_setBBreg(dev, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);

		/*----Set RF_ENV output high----*/
		rtl8192_setBBreg(dev, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);

		/* Set bit number of Address and Data for RF register */
		rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireAddressLength, 0x0); 	// Set 0 to 4 bits for Z-serial and set 1 to 6 bits for 8258
		rtl8192_setBBreg(dev, pPhyReg->rfHSSIPara2, b3WireDataLength, 0x0);	// Set 0 to 12 bits for Z-serial and 8258, and set 1 to 14 bits for ???

		rtl8192_phy_SetRFReg(dev, (RF90_RADIO_PATH_E) eRFPath, 0x0, bMask12Bits, 0xbf);

		/*----Check RF block (for FPGA platform only)----*/
		// TODO: this function should be removed on ASIC , Emily 2007.2.2
		if (rtl8192_phy_checkBBAndRF(dev, HW90_BLOCK_RF, (RF90_RADIO_PATH_E)eRFPath))
		{
			RT_TRACE(COMP_ERR, "PHY_RF8256_Config():Check Radio[%d] Fail!!\n", eRFPath);
			goto phy_RF8256_Config_ParaFile_Fail;
		}

		RetryTimes = ConstRetryTimes;
		RF3_Final_Value = 0;
		/*----Initialize RF fom connfiguration file----*/
		switch(eRFPath)
		{
		case RF90_PATH_A:
			while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
			{
				ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
				RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
				RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
				RetryTimes--;
			}
			break;
		case RF90_PATH_B:
			while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
			{
				ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
				RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
				RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
				RetryTimes--;
			}
			break;
		case RF90_PATH_C:
			while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
			{
				ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
				RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
				RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
				RetryTimes--;
			}
			break;
		case RF90_PATH_D:
			while(RF3_Final_Value!=RegValueToBeCheck && RetryTimes!=0)
			{
				ret = rtl8192_phy_ConfigRFWithHeaderFile(dev,(RF90_RADIO_PATH_E)eRFPath);
				RF3_Final_Value = rtl8192_phy_QueryRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, RegOffSetToBeCheck, bMask12Bits);
				RT_TRACE(COMP_RF, "RF %d %d register final value: %x\n", eRFPath, RegOffSetToBeCheck, RF3_Final_Value);
				RetryTimes--;
			}
			break;
		}

		/*----Restore RFENV control type----*/;
		switch(eRFPath)
		{
		case RF90_PATH_A:
		case RF90_PATH_C:
			rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV, u4RegValue);
			break;
		case RF90_PATH_B :
		case RF90_PATH_D:
			rtl8192_setBBreg(dev, pPhyReg->rfintfs, bRFSI_RFENV<<16, u4RegValue);
			break;
		}

		if(ret){
			RT_TRACE(COMP_ERR, "phy_RF8256_Config_ParaFile():Radio[%d] Fail!!", eRFPath);
			goto phy_RF8256_Config_ParaFile_Fail;
		}

	}

	RT_TRACE(COMP_PHY, "PHY Initialization Success\n") ;
	return ;

phy_RF8256_Config_ParaFile_Fail:
	RT_TRACE(COMP_ERR, "PHY Initialization failed\n") ;
	return ;
}


void PHY_SetRF8256CCKTxPower(struct net_device*	dev, u8	powerlevel)
{
	u32	TxAGC=0;
	struct r8192_priv *priv = ieee80211_priv(dev);
	//modified by vivi, 20080109
	TxAGC = powerlevel;

	if(priv->bDynamicTxLowPower == TRUE ) //cosa 05/22/2008 for scan
	{
		if(priv->CustomerID == RT_CID_819x_Netcore)
			TxAGC = 0x22;
		else
		TxAGC += priv->CckPwEnl;
	}

	if(TxAGC > 0x24)
		TxAGC = 0x24;
	rtl8192_setBBreg(dev, rTxAGC_CCK_Mcs32, bTxAGCRateCCK, TxAGC);
}


void PHY_SetRF8256OFDMTxPower(struct net_device* dev, u8 powerlevel)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	//Joseph TxPower for 8192 testing
	u32 writeVal, powerBase0, powerBase1, writeVal_tmp;
	u8 index = 0;
	u16 RegOffset[6] = {0xe00, 0xe04, 0xe10, 0xe14, 0xe18, 0xe1c};
	u8 byte0, byte1, byte2, byte3;

	powerBase0 = powerlevel + priv->TxPowerDiff;	//OFDM rates
	powerBase0 = (powerBase0<<24) | (powerBase0<<16) |(powerBase0<<8) |powerBase0;
	powerBase1 = powerlevel;							//MCS rates
	powerBase1 = (powerBase1<<24) | (powerBase1<<16) |(powerBase1<<8) |powerBase1;

	for(index=0; index<6; index++)
	{
		writeVal = priv->MCSTxPowerLevelOriginalOffset[index] + ((index<2)?powerBase0:powerBase1);
		byte0 = (u8)(writeVal & 0x7f);
		byte1 = (u8)((writeVal & 0x7f00)>>8);
		byte2 = (u8)((writeVal & 0x7f0000)>>16);
		byte3 = (u8)((writeVal & 0x7f000000)>>24);
		if(byte0 > 0x24)	// Max power index = 0x24
			byte0 = 0x24;
		if(byte1 > 0x24)
			byte1 = 0x24;
		if(byte2 > 0x24)
			byte2 = 0x24;
		if(byte3 > 0x24)
			byte3 = 0x24;

		//for tx power track
		if(index == 3)
		{
			writeVal_tmp = (byte3<<24) | (byte2<<16) |(byte1<<8) |byte0;
			priv->Pwr_Track = writeVal_tmp;
		}

		if(priv->bDynamicTxHighPower == TRUE)     //Add by Jacken 2008/03/06
		{
			// Emily, 20080613. Set low tx power for both MCS and legacy OFDM
			writeVal = 0x03030303;
		}
		else
		{
			writeVal = (byte3<<24) | (byte2<<16) |(byte1<<8) |byte0;
		}
		rtl8192_setBBreg(dev, RegOffset[index], 0x7f7f7f7f, writeVal);
	}
	return;

}