170 lines
5.9 KiB
C
170 lines
5.9 KiB
C
/*
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*************************************************************************
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* Ralink Tech Inc.
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* 5F., No.36, Taiyuan St., Jhubei City,
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* Hsinchu County 302,
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* Taiwan, R.O.C.
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*
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* (c) Copyright 2002-2007, Ralink Technology, Inc.
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*
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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*************************************************************************
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Module Name:
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rt3070.c
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Abstract:
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Specific funcitons and variables for RT3070
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Revision History:
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Who When What
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-------- ---------- ----------------------------------------------
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*/
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#ifdef RT3070
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#include "../rt_config.h"
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#ifndef RTMP_RF_RW_SUPPORT
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#error "You Should Enable compile flag RTMP_RF_RW_SUPPORT for this chip"
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#endif /* RTMP_RF_RW_SUPPORT // */
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void NICInitRT3070RFRegisters(struct rt_rtmp_adapter *pAd)
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{
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int i;
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u8 RFValue;
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/* Driver must read EEPROM to get RfIcType before initial RF registers */
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/* Initialize RF register to default value */
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if (IS_RT3070(pAd) || IS_RT3071(pAd)) {
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/* Init RF calibration */
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/* Driver should toggle RF R30 bit7 before init RF registers */
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u32 RfReg = 0;
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u32 data;
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RT30xxReadRFRegister(pAd, RF_R30, (u8 *)& RfReg);
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RfReg |= 0x80;
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RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
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RTMPusecDelay(1000);
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RfReg &= 0x7F;
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RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
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/* Initialize RF register to default value */
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for (i = 0; i < NUM_RF_REG_PARMS; i++) {
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RT30xxWriteRFRegister(pAd,
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RT30xx_RFRegTable[i].Register,
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RT30xx_RFRegTable[i].Value);
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}
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/* add by johnli */
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if (IS_RT3070(pAd)) {
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/* */
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/* The DAC issue(LDO_CFG0) has been fixed in RT3070(F). */
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/* The voltage raising patch is no longer needed for RT3070(F) */
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/* */
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if ((pAd->MACVersion & 0xffff) < 0x0201) {
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/* Update MAC 0x05D4 from 01xxxxxx to 0Dxxxxxx (voltage 1.2V to 1.35V) for RT3070 to improve yield rate */
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RTUSBReadMACRegister(pAd, LDO_CFG0, &data);
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data = ((data & 0xF0FFFFFF) | 0x0D000000);
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RTUSBWriteMACRegister(pAd, LDO_CFG0, data);
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}
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} else if (IS_RT3071(pAd)) {
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/* Driver should set RF R6 bit6 on before init RF registers */
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RT30xxReadRFRegister(pAd, RF_R06, (u8 *)& RfReg);
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RfReg |= 0x40;
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RT30xxWriteRFRegister(pAd, RF_R06, (u8)RfReg);
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/* init R31 */
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RT30xxWriteRFRegister(pAd, RF_R31, 0x14);
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/* RT3071 version E has fixed this issue */
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if ((pAd->NicConfig2.field.DACTestBit == 1)
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&& ((pAd->MACVersion & 0xffff) < 0x0211)) {
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/* patch tx EVM issue temporarily */
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RTUSBReadMACRegister(pAd, LDO_CFG0, &data);
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data = ((data & 0xE0FFFFFF) | 0x0D000000);
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RTUSBWriteMACRegister(pAd, LDO_CFG0, data);
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} else {
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RTMP_IO_READ32(pAd, LDO_CFG0, &data);
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data = ((data & 0xE0FFFFFF) | 0x01000000);
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RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
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}
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/* patch LNA_PE_G1 failed issue */
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RTUSBReadMACRegister(pAd, GPIO_SWITCH, &data);
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data &= ~(0x20);
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RTUSBWriteMACRegister(pAd, GPIO_SWITCH, data);
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}
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/*For RF filter Calibration */
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RTMPFilterCalibration(pAd);
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/* Initialize RF R27 register, set RF R27 must be behind RTMPFilterCalibration() */
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/* */
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/* TX to RX IQ glitch(RF_R27) has been fixed in RT3070(F). */
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/* Raising RF voltage is no longer needed for RT3070(F) */
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/* */
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if ((IS_RT3070(pAd)) && ((pAd->MACVersion & 0xffff) < 0x0201)) {
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RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
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} else if ((IS_RT3071(pAd))
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&& ((pAd->MACVersion & 0xffff) < 0x0211)) {
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RT30xxWriteRFRegister(pAd, RF_R27, 0x3);
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}
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/* set led open drain enable */
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RTUSBReadMACRegister(pAd, OPT_14, &data);
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data |= 0x01;
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RTUSBWriteMACRegister(pAd, OPT_14, data);
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/* move from RT30xxLoadRFNormalModeSetup because it's needed for both RT3070 and RT3071 */
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/* TX_LO1_en, RF R17 register Bit 3 to 0 */
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RT30xxReadRFRegister(pAd, RF_R17, &RFValue);
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RFValue &= (~0x08);
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/* to fix rx long range issue */
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if (pAd->NicConfig2.field.ExternalLNAForG == 0) {
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if ((IS_RT3071(pAd)
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&& ((pAd->MACVersion & 0xffff) >= 0x0211))
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|| IS_RT3070(pAd)) {
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RFValue |= 0x20;
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}
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}
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/* set RF_R17_bit[2:0] equal to EEPROM setting at 0x48h */
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if (pAd->TxMixerGain24G >= 1) {
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RFValue &= (~0x7); /* clean bit [2:0] */
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RFValue |= pAd->TxMixerGain24G;
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}
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RT30xxWriteRFRegister(pAd, RF_R17, RFValue);
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if (IS_RT3071(pAd)) {
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/* add by johnli, RF power sequence setup, load RF normal operation-mode setup */
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RT30xxLoadRFNormalModeSetup(pAd);
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} else if (IS_RT3070(pAd)) {
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/* add by johnli, reset RF_R27 when interface down & up to fix throughput problem */
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/* LDORF_VC, RF R27 register Bit 2 to 0 */
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RT30xxReadRFRegister(pAd, RF_R27, &RFValue);
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/* TX to RX IQ glitch(RF_R27) has been fixed in RT3070(F). */
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/* Raising RF voltage is no longer needed for RT3070(F) */
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if ((pAd->MACVersion & 0xffff) < 0x0201)
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RFValue = (RFValue & (~0x77)) | 0x3;
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else
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RFValue = (RFValue & (~0x77));
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RT30xxWriteRFRegister(pAd, RF_R27, RFValue);
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/* end johnli */
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}
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}
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}
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#endif /* RT3070 // */
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