| /* |
| ************************************************************************* |
| * 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 // */ |