2 *************************************************************************
4 * 5F., No.36, Taiyuan St., Jhubei City,
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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18 * GNU General Public License for more details. *
20 * You should have received a copy of the GNU General Public License *
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22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 *************************************************************************
31 Ralink Wireless driver RF related functions
35 -------- ---------- ----------------------------------------------
39 #include "../rt_config.h"
42 #ifdef RTMP_RF_RW_SUPPORT
44 ========================================================================
46 Routine Description: Write RT30xx RF register through MAC
56 ========================================================================
58 NDIS_STATUS RT30xxWriteRFRegister(
63 RF_CSR_CFG_STRUC rfcsr;
68 RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word);
70 if (!rfcsr.field.RF_CSR_KICK)
74 while ((i < RETRY_LIMIT) && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)));
76 if ((i == RETRY_LIMIT) || (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
78 DBGPRINT_RAW(RT_DEBUG_ERROR, ("Retry count exhausted or device removed!!!\n"));
79 return STATUS_UNSUCCESSFUL;
82 rfcsr.field.RF_CSR_WR = 1;
83 rfcsr.field.RF_CSR_KICK = 1;
84 rfcsr.field.TESTCSR_RFACC_REGNUM = regID;
85 rfcsr.field.RF_CSR_DATA = value;
87 RTMP_IO_WRITE32(pAd, RF_CSR_CFG, rfcsr.word);
89 return NDIS_STATUS_SUCCESS;
94 ========================================================================
96 Routine Description: Read RT30xx RF register through MAC
106 ========================================================================
108 NDIS_STATUS RT30xxReadRFRegister(
109 IN PRTMP_ADAPTER pAd,
113 RF_CSR_CFG_STRUC rfcsr;
116 for (i=0; i<MAX_BUSY_COUNT; i++)
118 RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word);
120 if (rfcsr.field.RF_CSR_KICK == BUSY)
125 rfcsr.field.RF_CSR_WR = 0;
126 rfcsr.field.RF_CSR_KICK = 1;
127 rfcsr.field.TESTCSR_RFACC_REGNUM = regID;
128 RTMP_IO_WRITE32(pAd, RF_CSR_CFG, rfcsr.word);
129 for (k=0; k<MAX_BUSY_COUNT; k++)
131 RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word);
133 if (rfcsr.field.RF_CSR_KICK == IDLE)
136 if ((rfcsr.field.RF_CSR_KICK == IDLE) &&
137 (rfcsr.field.TESTCSR_RFACC_REGNUM == regID))
139 *pValue = (UCHAR)rfcsr.field.RF_CSR_DATA;
143 if (rfcsr.field.RF_CSR_KICK == BUSY)
145 DBGPRINT_ERR(("RF read R%d=0x%x fail, i[%d], k[%d]\n", regID, rfcsr.word,i,k));
146 return STATUS_UNSUCCESSFUL;
149 return STATUS_SUCCESS;
153 VOID NICInitRFRegisters(
154 IN RTMP_ADAPTER *pAd)
156 if (pAd->chipOps.AsicRfInit)
157 pAd->chipOps.AsicRfInit(pAd);
161 VOID RtmpChipOpsRFHook(
162 IN RTMP_ADAPTER *pAd)
164 RTMP_CHIP_OP *pChipOps = &pAd->chipOps;
166 pChipOps->pRFRegTable = NULL;
167 pChipOps->AsicRfInit = NULL;
168 pChipOps->AsicRfTurnOn = NULL;
169 pChipOps->AsicRfTurnOff = NULL;
170 pChipOps->AsicReverseRfFromSleepMode = NULL;
171 pChipOps->AsicHaltAction = NULL;
172 /* We depends on RfICType and MACVersion to assign the corresponding operation callbacks. */
177 pChipOps->pRFRegTable = RT30xx_RFRegTable;
178 pChipOps->AsicHaltAction = RT30xxHaltAction;
180 if((IS_RT3070(pAd) || IS_RT3071(pAd)) && (pAd->infType == RTMP_DEV_INF_USB))
182 pChipOps->AsicRfInit = NICInitRT3070RFRegisters;
185 pChipOps->AsicRfTurnOff = RT30xxLoadRFSleepModeSetup;
186 pChipOps->AsicReverseRfFromSleepMode = RT30xxReverseRFSleepModeSetup;
194 #endif // RTMP_RF_RW_SUPPORT //