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rtl8188eu/hal/rtl8188e_rf6052.c
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version 
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

572 lines
18 KiB
C
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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
/******************************************************************************
*
*
* Module: rtl8192c_rf6052.c ( Source C File)
*
* Note: Provide RF 6052 series relative API.
*
* Function:
*
* Export:
*
* Abbrev:
*
* History:
* Data Who Remark
*
* 09/25/2008 MHC Create initial version.
* 11/05/2008 MHC Add API for tw power setting.
*
*
******************************************************************************/
#define _RTL8188E_RF6052_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <rtl8188e_hal.h>
/*---------------------------Define Local Constant---------------------------*/
/* Define local structure for debug!!!!! */
struct rf_shadow {
/* Shadow register value */
u32 Value;
/* Compare or not flag */
u8 Compare;
/* Record If it had ever modified unpredicted */
u8 ErrorOrNot;
/* Recorver Flag */
u8 Recorver;
/* */
u8 Driver_Write;
};
/*---------------------------Define Local Constant---------------------------*/
/*------------------------Define global variable-----------------------------*/
/*------------------------Define local variable------------------------------*/
/*-----------------------------------------------------------------------------
* Function: RF_ChangeTxPath
*
* Overview: For RL6052, we must change some RF settign for 1T or 2T.
*
* Input: u16 DataRate 0x80-8f, 0x90-9f
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 09/25/2008 MHC Create Version 0.
* Firmwaer support the utility later.
*
*---------------------------------------------------------------------------*/
void rtl8188e_RF_ChangeTxPath(struct adapter *Adapter, u16 DataRate)
{
/* We do not support gain table change inACUT now !!!! Delete later !!! */
} /* RF_ChangeTxPath */
/*-----------------------------------------------------------------------------
* Function: PHY_RF6052SetBandwidth()
*
* Overview: This function is called by SetBWModeCallback8190Pci() only
*
* Input: struct adapter *Adapter
* WIRELESS_BANDWIDTH_E Bandwidth 20M or 40M
*
* Output: NONE
*
* Return: NONE
*
* Note: For RF type 0222D
*---------------------------------------------------------------------------*/
void rtl8188e_PHY_RF6052SetBandwidth(struct adapter *Adapter,
enum ht_channel_width Bandwidth)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
switch (Bandwidth) {
case HT_CHANNEL_WIDTH_20:
pHalData->RfRegChnlVal[0] = ((pHalData->RfRegChnlVal[0] & 0xfffff3ff) | BIT(10) | BIT(11));
PHY_SetRFReg(Adapter, RF_PATH_A, RF_CHNLBW, bRFRegOffsetMask, pHalData->RfRegChnlVal[0]);
break;
case HT_CHANNEL_WIDTH_40:
pHalData->RfRegChnlVal[0] = ((pHalData->RfRegChnlVal[0] & 0xfffff3ff) | BIT(10));
PHY_SetRFReg(Adapter, RF_PATH_A, RF_CHNLBW, bRFRegOffsetMask, pHalData->RfRegChnlVal[0]);
break;
default:
break;
}
}
/*-----------------------------------------------------------------------------
* Function: PHY_RF6052SetCckTxPower
*
* Overview:
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/05/2008 MHC Simulate 8192series..
*
*---------------------------------------------------------------------------*/
void
rtl8188e_PHY_RF6052SetCckTxPower(
struct adapter *Adapter,
u8 *pPowerlevel)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
u32 TxAGC[2] = {0, 0}, tmpval = 0, pwrtrac_value;
bool TurboScanOff = false;
u8 idx1, idx2;
u8 *ptr;
u8 direction;
/* FOR CE ,must disable turbo scan */
TurboScanOff = true;
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
TxAGC[RF_PATH_A] = 0x3f3f3f3f;
TxAGC[RF_PATH_B] = 0x3f3f3f3f;
TurboScanOff = true;/* disable turbo scan */
if (TurboScanOff) {
for (idx1 = RF_PATH_A; idx1 <= RF_PATH_B; idx1++) {
TxAGC[idx1] =
pPowerlevel[idx1] | (pPowerlevel[idx1]<<8) |
(pPowerlevel[idx1]<<16) | (pPowerlevel[idx1]<<24);
/* 2010/10/18 MH For external PA module. We need to limit power index to be less than 0x20. */
if (TxAGC[idx1] > 0x20 && pHalData->ExternalPA)
TxAGC[idx1] = 0x20;
}
}
} else {
/* Driver dynamic Tx power shall not affect Tx power.
* It shall be determined by power training mechanism.
i * Currently, we cannot fully disable driver dynamic
* tx power mechanism because it is referenced by BT
* coexist mechanism.
* In the future, two mechanism shall be separated from
* each other and maintained independantly. */
if (pdmpriv->DynamicTxHighPowerLvl == TxHighPwrLevel_Level1) {
TxAGC[RF_PATH_A] = 0x10101010;
TxAGC[RF_PATH_B] = 0x10101010;
} else if (pdmpriv->DynamicTxHighPowerLvl == TxHighPwrLevel_Level2) {
TxAGC[RF_PATH_A] = 0x00000000;
TxAGC[RF_PATH_B] = 0x00000000;
} else {
for (idx1 = RF_PATH_A; idx1 <= RF_PATH_B; idx1++) {
TxAGC[idx1] =
pPowerlevel[idx1] | (pPowerlevel[idx1]<<8) |
(pPowerlevel[idx1]<<16) | (pPowerlevel[idx1]<<24);
}
if (pHalData->EEPROMRegulatory == 0) {
tmpval = (pHalData->MCSTxPowerLevelOriginalOffset[0][6]) +
(pHalData->MCSTxPowerLevelOriginalOffset[0][7]<<8);
TxAGC[RF_PATH_A] += tmpval;
tmpval = (pHalData->MCSTxPowerLevelOriginalOffset[0][14]) +
(pHalData->MCSTxPowerLevelOriginalOffset[0][15]<<24);
TxAGC[RF_PATH_B] += tmpval;
}
}
}
for (idx1 = RF_PATH_A; idx1 <= RF_PATH_B; idx1++) {
ptr = (u8 *)(&(TxAGC[idx1]));
for (idx2 = 0; idx2 < 4; idx2++) {
if (*ptr > RF6052_MAX_TX_PWR)
*ptr = RF6052_MAX_TX_PWR;
ptr++;
}
}
ODM_TxPwrTrackAdjust88E(&pHalData->odmpriv, 1, &direction, &pwrtrac_value);
if (direction == 1) {
/* Increase TX pwoer */
TxAGC[0] += pwrtrac_value;
TxAGC[1] += pwrtrac_value;
} else if (direction == 2) {
/* Decrease TX pwoer */
TxAGC[0] -= pwrtrac_value;
TxAGC[1] -= pwrtrac_value;
}
/* rf-A cck tx power */
tmpval = TxAGC[RF_PATH_A]&0xff;
PHY_SetBBReg(Adapter, rTxAGC_A_CCK1_Mcs32, bMaskByte1, tmpval);
tmpval = TxAGC[RF_PATH_A]>>8;
PHY_SetBBReg(Adapter, rTxAGC_B_CCK11_A_CCK2_11, 0xffffff00, tmpval);
/* rf-B cck tx power */
tmpval = TxAGC[RF_PATH_B]>>24;
PHY_SetBBReg(Adapter, rTxAGC_B_CCK11_A_CCK2_11, bMaskByte0, tmpval);
tmpval = TxAGC[RF_PATH_B]&0x00ffffff;
PHY_SetBBReg(Adapter, rTxAGC_B_CCK1_55_Mcs32, 0xffffff00, tmpval);
} /* PHY_RF6052SetCckTxPower */
/* */
/* powerbase0 for OFDM rates */
/* powerbase1 for HT MCS rates */
/* */
static void getpowerbase88e(struct adapter *Adapter, u8 *pPowerLevelOFDM,
u8 *pPowerLevelBW20, u8 *pPowerLevelBW40, u8 Channel, u32 *OfdmBase, u32 *MCSBase)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
u32 powerBase0, powerBase1;
u8 i, powerlevel[2];
for (i = 0; i < 2; i++) {
powerBase0 = pPowerLevelOFDM[i];
powerBase0 = (powerBase0<<24) | (powerBase0<<16) | (powerBase0<<8) | powerBase0;
*(OfdmBase+i) = powerBase0;
}
for (i = 0; i < pHalData->NumTotalRFPath; i++) {
/* Check HT20 to HT40 diff */
if (pHalData->CurrentChannelBW == HT_CHANNEL_WIDTH_20)
powerlevel[i] = pPowerLevelBW20[i];
else
powerlevel[i] = pPowerLevelBW40[i];
powerBase1 = powerlevel[i];
powerBase1 = (powerBase1<<24) | (powerBase1<<16) | (powerBase1<<8) | powerBase1;
*(MCSBase+i) = powerBase1;
}
}
static void get_rx_power_val_by_reg(struct adapter *Adapter, u8 Channel,
u8 index, u32 *powerBase0, u32 *powerBase1,
u32 *pOutWriteVal)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
struct dm_priv *pdmpriv = &pHalData->dmpriv;
u8 i, chnlGroup = 0, pwr_diff_limit[4], customer_pwr_limit;
s8 pwr_diff = 0;
u32 writeVal, customer_limit, rf;
u8 Regulatory = pHalData->EEPROMRegulatory;
/* Index 0 & 1= legacy OFDM, 2-5=HT_MCS rate */
for (rf = 0; rf < 2; rf++) {
switch (Regulatory) {
case 0: /* Realtek better performance */
/* increase power diff defined by Realtek for large power */
chnlGroup = 0;
writeVal = pHalData->MCSTxPowerLevelOriginalOffset[chnlGroup][index+(rf ? 8 : 0)] +
((index < 2) ? powerBase0[rf] : powerBase1[rf]);
break;
case 1: /* Realtek regulatory */
/* increase power diff defined by Realtek for regulatory */
if (pHalData->pwrGroupCnt == 1)
chnlGroup = 0;
if (pHalData->pwrGroupCnt >= pHalData->PGMaxGroup) {
if (Channel < 3) /* Chanel 1-2 */
chnlGroup = 0;
else if (Channel < 6) /* Channel 3-5 */
chnlGroup = 1;
else if (Channel < 9) /* Channel 6-8 */
chnlGroup = 2;
else if (Channel < 12) /* Channel 9-11 */
chnlGroup = 3;
else if (Channel < 14) /* Channel 12-13 */
chnlGroup = 4;
else if (Channel == 14) /* Channel 14 */
chnlGroup = 5;
}
writeVal = pHalData->MCSTxPowerLevelOriginalOffset[chnlGroup][index+(rf ? 8 : 0)] +
((index < 2) ? powerBase0[rf] : powerBase1[rf]);
break;
case 2: /* Better regulatory */
/* don't increase any power diff */
writeVal = ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
break;
case 3: /* Customer defined power diff. */
/* increase power diff defined by customer. */
chnlGroup = 0;
if (index < 2)
pwr_diff = pHalData->TxPwrLegacyHtDiff[rf][Channel-1];
else if (pHalData->CurrentChannelBW == HT_CHANNEL_WIDTH_20)
pwr_diff = pHalData->TxPwrHt20Diff[rf][Channel-1];
if (pHalData->CurrentChannelBW == HT_CHANNEL_WIDTH_40)
customer_pwr_limit = pHalData->PwrGroupHT40[rf][Channel-1];
else
customer_pwr_limit = pHalData->PwrGroupHT20[rf][Channel-1];
if (pwr_diff >= customer_pwr_limit)
pwr_diff = 0;
else
pwr_diff = customer_pwr_limit - pwr_diff;
for (i = 0; i < 4; i++) {
pwr_diff_limit[i] = (u8)((pHalData->MCSTxPowerLevelOriginalOffset[chnlGroup][index+(rf ? 8 : 0)]&(0x7f<<(i*8)))>>(i*8));
if (pwr_diff_limit[i] > pwr_diff)
pwr_diff_limit[i] = pwr_diff;
}
customer_limit = (pwr_diff_limit[3]<<24) | (pwr_diff_limit[2]<<16) |
(pwr_diff_limit[1]<<8) | (pwr_diff_limit[0]);
writeVal = customer_limit + ((index < 2) ? powerBase0[rf] : powerBase1[rf]);
break;
default:
chnlGroup = 0;
writeVal = pHalData->MCSTxPowerLevelOriginalOffset[chnlGroup][index+(rf ? 8 : 0)] +
((index < 2) ? powerBase0[rf] : powerBase1[rf]);
break;
}
/* 20100427 Joseph: Driver dynamic Tx power shall not affect Tx power. It shall be determined by power training mechanism. */
/* Currently, we cannot fully disable driver dynamic tx power mechanism because it is referenced by BT coexist mechanism. */
/* In the future, two mechanism shall be separated from each other and maintained independantly. Thanks for Lanhsin's reminder. */
/* 92d do not need this */
if (pdmpriv->DynamicTxHighPowerLvl == TxHighPwrLevel_Level1)
writeVal = 0x14141414;
else if (pdmpriv->DynamicTxHighPowerLvl == TxHighPwrLevel_Level2)
writeVal = 0x00000000;
/* 20100628 Joseph: High power mode for BT-Coexist mechanism. */
/* This mechanism is only applied when Driver-Highpower-Mechanism is OFF. */
if (pdmpriv->DynamicTxHighPowerLvl == TxHighPwrLevel_BT1)
writeVal = writeVal - 0x06060606;
else if (pdmpriv->DynamicTxHighPowerLvl == TxHighPwrLevel_BT2)
writeVal = writeVal;
*(pOutWriteVal+rf) = writeVal;
}
}
static void writeOFDMPowerReg88E(struct adapter *Adapter, u8 index, u32 *pValue)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
u16 regoffset_a[6] = {
rTxAGC_A_Rate18_06, rTxAGC_A_Rate54_24,
rTxAGC_A_Mcs03_Mcs00, rTxAGC_A_Mcs07_Mcs04,
rTxAGC_A_Mcs11_Mcs08, rTxAGC_A_Mcs15_Mcs12};
u16 regoffset_b[6] = {
rTxAGC_B_Rate18_06, rTxAGC_B_Rate54_24,
rTxAGC_B_Mcs03_Mcs00, rTxAGC_B_Mcs07_Mcs04,
rTxAGC_B_Mcs11_Mcs08, rTxAGC_B_Mcs15_Mcs12};
u8 i, rf, pwr_val[4];
u32 writeVal;
u16 regoffset;
for (rf = 0; rf < 2; rf++) {
writeVal = pValue[rf];
for (i = 0; i < 4; i++) {
pwr_val[i] = (u8)((writeVal & (0x7f<<(i*8)))>>(i*8));
if (pwr_val[i] > RF6052_MAX_TX_PWR)
pwr_val[i] = RF6052_MAX_TX_PWR;
}
writeVal = (pwr_val[3]<<24) | (pwr_val[2]<<16) | (pwr_val[1]<<8) | pwr_val[0];
if (rf == 0)
regoffset = regoffset_a[index];
else
regoffset = regoffset_b[index];
PHY_SetBBReg(Adapter, regoffset, bMaskDWord, writeVal);
/* 201005115 Joseph: Set Tx Power diff for Tx power training mechanism. */
if (((pHalData->rf_type == RF_2T2R) &&
(regoffset == rTxAGC_A_Mcs15_Mcs12 || regoffset == rTxAGC_B_Mcs15_Mcs12)) ||
((pHalData->rf_type != RF_2T2R) &&
(regoffset == rTxAGC_A_Mcs07_Mcs04 || regoffset == rTxAGC_B_Mcs07_Mcs04))) {
writeVal = pwr_val[3];
if (regoffset == rTxAGC_A_Mcs15_Mcs12 || regoffset == rTxAGC_A_Mcs07_Mcs04)
regoffset = 0xc90;
if (regoffset == rTxAGC_B_Mcs15_Mcs12 || regoffset == rTxAGC_B_Mcs07_Mcs04)
regoffset = 0xc98;
for (i = 0; i < 3; i++) {
if (i != 2)
writeVal = (writeVal > 8) ? (writeVal-8) : 0;
else
writeVal = (writeVal > 6) ? (writeVal-6) : 0;
rtw_write8(Adapter, (u32)(regoffset+i), (u8)writeVal);
}
}
}
}
/*-----------------------------------------------------------------------------
* Function: PHY_RF6052SetOFDMTxPower
*
* Overview: For legacy and HY OFDM, we must read EEPROM TX power index for
* different channel and read original value in TX power register area from
* 0xe00. We increase offset and original value to be correct tx pwr.
*
* Input: NONE
*
* Output: NONE
*
* Return: NONE
*
* Revised History:
* When Who Remark
* 11/05/2008 MHC Simulate 8192 series method.
* 01/06/2009 MHC 1. Prevent Path B tx power overflow or underflow dure to
* A/B pwr difference or legacy/HT pwr diff.
* 2. We concern with path B legacy/HT OFDM difference.
* 01/22/2009 MHC Support new EPRO format from SD3.
*
*---------------------------------------------------------------------------*/
void
rtl8188e_PHY_RF6052SetOFDMTxPower(
struct adapter *Adapter,
u8 *pPowerLevelOFDM,
u8 *pPowerLevelBW20,
u8 *pPowerLevelBW40,
u8 Channel)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
u32 writeVal[2], powerBase0[2], powerBase1[2], pwrtrac_value;
u8 direction;
u8 index = 0;
getpowerbase88e(Adapter, pPowerLevelOFDM, pPowerLevelBW20, pPowerLevelBW40, Channel, &powerBase0[0], &powerBase1[0]);
/* 2012/04/23 MH According to power tracking value, we need to revise OFDM tx power. */
/* This is ued to fix unstable power tracking mode. */
ODM_TxPwrTrackAdjust88E(&pHalData->odmpriv, 0, &direction, &pwrtrac_value);
for (index = 0; index < 6; index++) {
get_rx_power_val_by_reg(Adapter, Channel, index,
&powerBase0[0], &powerBase1[0],
&writeVal[0]);
if (direction == 1) {
writeVal[0] += pwrtrac_value;
writeVal[1] += pwrtrac_value;
} else if (direction == 2) {
writeVal[0] -= pwrtrac_value;
writeVal[1] -= pwrtrac_value;
}
writeOFDMPowerReg88E(Adapter, index, &writeVal[0]);
}
}
static int phy_RF6052_Config_ParaFile(struct adapter *Adapter)
{
struct bb_reg_def *pPhyReg;
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
u32 u4RegValue = 0;
u8 eRFPath;
int rtStatus = _SUCCESS;
/* 3----------------------------------------------------------------- */
/* 3 <2> Initialize RF */
/* 3----------------------------------------------------------------- */
for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++) {
pPhyReg = &pHalData->PHYRegDef[eRFPath];
/*----Store original RFENV control type----*/
switch (eRFPath) {
case RF_PATH_A:
case RF_PATH_C:
u4RegValue = PHY_QueryBBReg(Adapter, pPhyReg->rfintfs, bRFSI_RFENV);
break;
case RF_PATH_B:
case RF_PATH_D:
u4RegValue = PHY_QueryBBReg(Adapter, pPhyReg->rfintfs, bRFSI_RFENV<<16);
break;
}
/*----Set RF_ENV enable----*/
PHY_SetBBReg(Adapter, pPhyReg->rfintfe, bRFSI_RFENV<<16, 0x1);
rtw_udelay_os(1);/* PlatformStallExecution(1); */
/*----Set RF_ENV output high----*/
PHY_SetBBReg(Adapter, pPhyReg->rfintfo, bRFSI_RFENV, 0x1);
rtw_udelay_os(1);/* PlatformStallExecution(1); */
/* Set bit number of Address and Data for RF register */
PHY_SetBBReg(Adapter, pPhyReg->rfHSSIPara2, b3WireAddressLength, 0x0); /* Set 1 to 4 bits for 8255 */
rtw_udelay_os(1);/* PlatformStallExecution(1); */
PHY_SetBBReg(Adapter, pPhyReg->rfHSSIPara2, b3WireDataLength, 0x0); /* Set 0 to 12 bits for 8255 */
rtw_udelay_os(1);/* PlatformStallExecution(1); */
/*----Initialize RF fom connfiguration file----*/
switch (eRFPath) {
case RF_PATH_A:
if (HAL_STATUS_FAILURE == ODM_ConfigRFWithHeaderFile(&pHalData->odmpriv, (enum ODM_RF_RADIO_PATH)eRFPath, (enum ODM_RF_RADIO_PATH)eRFPath))
rtStatus = _FAIL;
break;
case RF_PATH_B:
if (HAL_STATUS_FAILURE == ODM_ConfigRFWithHeaderFile(&pHalData->odmpriv, (enum ODM_RF_RADIO_PATH)eRFPath, (enum ODM_RF_RADIO_PATH)eRFPath))
rtStatus = _FAIL;
break;
case RF_PATH_C:
break;
case RF_PATH_D:
break;
}
/*----Restore RFENV control type----*/;
switch (eRFPath) {
case RF_PATH_A:
case RF_PATH_C:
PHY_SetBBReg(Adapter, pPhyReg->rfintfs, bRFSI_RFENV, u4RegValue);
break;
case RF_PATH_B:
case RF_PATH_D:
PHY_SetBBReg(Adapter, pPhyReg->rfintfs, bRFSI_RFENV<<16, u4RegValue);
break;
}
if (rtStatus != _SUCCESS)
goto phy_RF6052_Config_ParaFile_Fail;
}
return rtStatus;
phy_RF6052_Config_ParaFile_Fail:
return rtStatus;
}
int PHY_RF6052_Config8188E(struct adapter *Adapter)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(Adapter);
int rtStatus = _SUCCESS;
/* */
/* Initialize general global value */
/* */
/* TODO: Extend RF_PATH_C and RF_PATH_D in the future */
if (pHalData->rf_type == RF_1T1R)
pHalData->NumTotalRFPath = 1;
else
pHalData->NumTotalRFPath = 2;
/* */
/* Config BB and RF */
/* */
rtStatus = phy_RF6052_Config_ParaFile(Adapter);
return rtStatus;
}
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