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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:
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:
========================================================================
*/
NDIS_STATUS RT30xxWriteRFRegister(
IN PRTMP_ADAPTER pAd,
IN UCHAR regID,
IN UCHAR value)
{
RF_CSR_CFG_STRUC rfcsr;
UINT 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:
========================================================================
*/
NDIS_STATUS RT30xxReadRFRegister(
IN PRTMP_ADAPTER pAd,
IN UCHAR regID,
IN PUCHAR pValue)
{
RF_CSR_CFG_STRUC rfcsr;
UINT 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 = (UCHAR)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(
IN RTMP_ADAPTER *pAd)
{
if (pAd->chipOps.AsicRfInit)
pAd->chipOps.AsicRfInit(pAd);
}
VOID RtmpChipOpsRFHook(
IN RTMP_ADAPTER *pAd)
{
RTMP_CHIP_OP *pChipOps = &pAd->chipOps;
pChipOps->pRFRegTable = NULL;
pChipOps->AsicRfInit = NULL;
pChipOps->AsicRfTurnOn = NULL;
pChipOps->AsicRfTurnOff = NULL;
pChipOps->AsicReverseRfFromSleepMode = NULL;
pChipOps->AsicHaltAction = NULL;
#ifdef RT33xx
if (IS_RT3390(pAd) && (pAd->infType == RTMP_DEV_INF_PCI))
{
pChipOps->pRFRegTable = RFRegTableOverRT3390;
pChipOps->AsicHaltAction = RT33xxHaltAction;
pChipOps->AsicRfTurnOff = RT33xxLoadRFSleepModeSetup;
pChipOps->AsicRfInit = NICInitRT3390RFRegisters;
pChipOps->AsicReverseRfFromSleepMode = RT33xxReverseRFSleepModeSetup;
}
#else // RT33xx //
/* 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 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 // RT33xx //
}
#endif // RTMP_RF_RW_SUPPORT //
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