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/*
*************************************************************************
* 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:
rt3070.c
Abstract:
Specific funcitons and variables for RT3070
Revision History:
Who When What
-------- ---------- ----------------------------------------------
*/
#ifdef RT3070
#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 NICInitRT3070RFRegisters(struct rt_rtmp_adapter *pAd)
{
int i;
u8 RFValue;
/* Driver must read EEPROM to get RfIcType before initial RF registers */
/* Initialize RF register to default value */
if (IS_RT3070(pAd) || IS_RT3071(pAd)) {
/* Init RF calibration */
/* Driver should toggle RF R30 bit7 before init RF registers */
u32 RfReg = 0;
u32 data;
RT30xxReadRFRegister(pAd, RF_R30, (u8 *)&RfReg);
RfReg |= 0x80;
RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
RTMPusecDelay(1000);
RfReg &= 0x7F;
RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
/* 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);
}
/* add by johnli */
if (IS_RT3070(pAd)) {
/* */
/* The DAC issue(LDO_CFG0) has been fixed in RT3070(F). */
/* The voltage raising patch is no longer needed for RT3070(F) */
/* */
if ((pAd->MACVersion & 0xffff) < 0x0201) {
/* Update MAC 0x05D4 from 01xxxxxx to 0Dxxxxxx (voltage 1.2V to 1.35V) for RT3070 to improve yield rate */
RTUSBReadMACRegister(pAd, LDO_CFG0, &data);
data = ((data & 0xF0FFFFFF) | 0x0D000000);
RTUSBWriteMACRegister(pAd, LDO_CFG0, data);
}
} else if (IS_RT3071(pAd)) {
/* Driver should set RF R6 bit6 on before init RF registers */
RT30xxReadRFRegister(pAd, RF_R06, (u8 *)&RfReg);
RfReg |= 0x40;
RT30xxWriteRFRegister(pAd, RF_R06, (u8)RfReg);
/* init R31 */
RT30xxWriteRFRegister(pAd, RF_R31, 0x14);
/* RT3071 version E has fixed this issue */
if ((pAd->NicConfig2.field.DACTestBit == 1)
&& ((pAd->MACVersion & 0xffff) < 0x0211)) {
/* patch tx EVM issue temporarily */
RTUSBReadMACRegister(pAd, LDO_CFG0, &data);
data = ((data & 0xE0FFFFFF) | 0x0D000000);
RTUSBWriteMACRegister(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 */
RTUSBReadMACRegister(pAd, GPIO_SWITCH, &data);
data &= ~(0x20);
RTUSBWriteMACRegister(pAd, GPIO_SWITCH, data);
}
/*For RF filter Calibration */
RTMPFilterCalibration(pAd);
/* Initialize RF R27 register, set RF R27 must be behind RTMPFilterCalibration() */
/* */
/* TX to RX IQ glitch(RF_R27) has been fixed in RT3070(F). */
/* Raising RF voltage is no longer needed for RT3070(F) */
/* */
if ((IS_RT3070(pAd)) && ((pAd->MACVersion & 0xffff) < 0x0201)) {
RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
} else if ((IS_RT3071(pAd))
&& ((pAd->MACVersion & 0xffff) < 0x0211)) {
RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
}
/* set led open drain enable */
RTUSBReadMACRegister(pAd, OPT_14, &data);
data |= 0x01;
RTUSBWriteMACRegister(pAd, OPT_14, data);
/* move from RT30xxLoadRFNormalModeSetup because it's needed for both RT3070 and RT3071 */
/* TX_LO1_en, RF R17 register Bit 3 to 0 */
RT30xxReadRFRegister(pAd, RF_R17, &RFValue);
RFValue &= (~0x08);
/* to fix rx long range issue */
if (pAd->NicConfig2.field.ExternalLNAForG == 0) {
if ((IS_RT3071(pAd)
&& ((pAd->MACVersion & 0xffff) >= 0x0211))
|| IS_RT3070(pAd)) {
RFValue |= 0x20;
}
}
/* set RF_R17_bit[2:0] equal to EEPROM setting at 0x48h */
if (pAd->TxMixerGain24G >= 1) {
RFValue &= (~0x7); /* clean bit [2:0] */
RFValue |= pAd->TxMixerGain24G;
}
RT30xxWriteRFRegister(pAd, RF_R17, RFValue);
if (IS_RT3071(pAd)) {
/* add by johnli, RF power sequence setup, load RF normal operation-mode setup */
RT30xxLoadRFNormalModeSetup(pAd);
} else if (IS_RT3070(pAd)) {
/* add by johnli, reset RF_R27 when interface down & up to fix throughput problem */
/* LDORF_VC, RF R27 register Bit 2 to 0 */
RT30xxReadRFRegister(pAd, RF_R27, &RFValue);
/* TX to RX IQ glitch(RF_R27) has been fixed in RT3070(F). */
/* Raising RF voltage is no longer needed for RT3070(F) */
if ((pAd->MACVersion & 0xffff) < 0x0201)
RFValue = (RFValue & (~0x77)) | 0x3;
else
RFValue = (RFValue & (~0x77));
RT30xxWriteRFRegister(pAd, RF_R27, RFValue);
/* end johnli */
}
}
}
#endif /* RT3070 // */
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