| /* |
| ************************************************************************* |
| * 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: |
| rt_rf.c |
| |
| Abstract: |
| Ralink Wireless driver RF related functions |
| |
| Revision History: |
| Who When What |
| -------- ---------- ---------------------------------------------- |
| */ |
| |
| #include "../rt_config.h" |
| |
| #ifdef RTMP_RF_RW_SUPPORT |
| /* |
| ======================================================================== |
| |
| Routine Description: Write RT30xx RF register through MAC |
| |
| Arguments: |
| |
| Return Value: |
| |
| IRQL = |
| |
| Note: |
| |
| ======================================================================== |
| */ |
| int RT30xxWriteRFRegister(struct rt_rtmp_adapter *pAd, |
| u8 regID, u8 value) |
| { |
| RF_CSR_CFG_STRUC rfcsr; |
| u32 i = 0; |
| |
| do { |
| RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word); |
| |
| if (!rfcsr.field.RF_CSR_KICK) |
| break; |
| i++; |
| } |
| while ((i < RETRY_LIMIT) |
| && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))); |
| |
| if ((i == RETRY_LIMIT) |
| || (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))) { |
| DBGPRINT_RAW(RT_DEBUG_ERROR, |
| ("Retry count exhausted or device removed!\n")); |
| return STATUS_UNSUCCESSFUL; |
| } |
| |
| rfcsr.field.RF_CSR_WR = 1; |
| rfcsr.field.RF_CSR_KICK = 1; |
| rfcsr.field.TESTCSR_RFACC_REGNUM = regID; |
| rfcsr.field.RF_CSR_DATA = value; |
| |
| RTMP_IO_WRITE32(pAd, RF_CSR_CFG, rfcsr.word); |
| |
| return NDIS_STATUS_SUCCESS; |
| } |
| |
| /* |
| ======================================================================== |
| |
| Routine Description: Read RT30xx RF register through MAC |
| |
| Arguments: |
| |
| Return Value: |
| |
| IRQL = |
| |
| Note: |
| |
| ======================================================================== |
| */ |
| int RT30xxReadRFRegister(struct rt_rtmp_adapter *pAd, |
| u8 regID, u8 *pValue) |
| { |
| RF_CSR_CFG_STRUC rfcsr; |
| u32 i = 0, k = 0; |
| |
| for (i = 0; i < MAX_BUSY_COUNT; i++) { |
| RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word); |
| |
| if (rfcsr.field.RF_CSR_KICK == BUSY) { |
| continue; |
| } |
| rfcsr.word = 0; |
| rfcsr.field.RF_CSR_WR = 0; |
| rfcsr.field.RF_CSR_KICK = 1; |
| rfcsr.field.TESTCSR_RFACC_REGNUM = regID; |
| RTMP_IO_WRITE32(pAd, RF_CSR_CFG, rfcsr.word); |
| for (k = 0; k < MAX_BUSY_COUNT; k++) { |
| RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word); |
| |
| if (rfcsr.field.RF_CSR_KICK == IDLE) |
| break; |
| } |
| if ((rfcsr.field.RF_CSR_KICK == IDLE) && |
| (rfcsr.field.TESTCSR_RFACC_REGNUM == regID)) { |
| *pValue = (u8)rfcsr.field.RF_CSR_DATA; |
| break; |
| } |
| } |
| if (rfcsr.field.RF_CSR_KICK == BUSY) { |
| DBGPRINT_ERR(("RF read R%d=0x%x fail, i[%d], k[%d]\n", regID, |
| rfcsr.word, i, k)); |
| return STATUS_UNSUCCESSFUL; |
| } |
| |
| return STATUS_SUCCESS; |
| } |
| |
| void NICInitRFRegisters(struct rt_rtmp_adapter *pAd) |
| { |
| if (pAd->chipOps.AsicRfInit) |
| pAd->chipOps.AsicRfInit(pAd); |
| } |
| |
| void RtmpChipOpsRFHook(struct rt_rtmp_adapter *pAd) |
| { |
| struct rt_rtmp_chip_op *pChipOps = &pAd->chipOps; |
| |
| pChipOps->pRFRegTable = NULL; |
| pChipOps->AsicRfInit = NULL; |
| pChipOps->AsicRfTurnOn = NULL; |
| pChipOps->AsicRfTurnOff = NULL; |
| pChipOps->AsicReverseRfFromSleepMode = NULL; |
| pChipOps->AsicHaltAction = NULL; |
| /* We depends on RfICType and MACVersion to assign the corresponding operation callbacks. */ |
| |
| #ifdef RT30xx |
| if (IS_RT30xx(pAd)) { |
| pChipOps->pRFRegTable = RT30xx_RFRegTable; |
| pChipOps->AsicHaltAction = RT30xxHaltAction; |
| #ifdef RT3070 |
| if ((IS_RT3070(pAd) || IS_RT3071(pAd)) |
| && (pAd->infType == RTMP_DEV_INF_USB)) { |
| pChipOps->AsicRfInit = NICInitRT3070RFRegisters; |
| if (IS_RT3071(pAd)) { |
| pChipOps->AsicRfTurnOff = |
| RT30xxLoadRFSleepModeSetup; |
| pChipOps->AsicReverseRfFromSleepMode = |
| RT30xxReverseRFSleepModeSetup; |
| } |
| } |
| #endif /* RT3070 // */ |
| #ifdef RT3090 |
| if (IS_RT3090(pAd) && (pAd->infType == RTMP_DEV_INF_PCI)) { |
| pChipOps->AsicRfTurnOff = RT30xxLoadRFSleepModeSetup; |
| pChipOps->AsicRfInit = NICInitRT3090RFRegisters; |
| pChipOps->AsicReverseRfFromSleepMode = |
| RT30xxReverseRFSleepModeSetup; |
| } |
| #endif /* RT3090 // */ |
| } |
| #endif /* RT30xx // */ |
| } |
| |
| #endif /* RTMP_RF_RW_SUPPORT // */ |