diff options
Diffstat (limited to 'drivers/staging/rt2860/common/dfs.c')
| -rw-r--r-- | drivers/staging/rt2860/common/dfs.c | 372 |
1 files changed, 4 insertions, 368 deletions
diff --git a/drivers/staging/rt2860/common/dfs.c b/drivers/staging/rt2860/common/dfs.c index 23330f2661d9..71cbb2665243 100644 --- a/drivers/staging/rt2860/common/dfs.c +++ b/drivers/staging/rt2860/common/dfs.c @@ -33,164 +33,10 @@ Revision History: Who When What -------- ---------- ---------------------------------------------- - Fonchi 03-12-2007 created */ #include "../rt_config.h" -typedef struct _RADAR_DURATION_TABLE -{ - ULONG RDDurRegion; - ULONG RadarSignalDuration; - ULONG Tolerance; -} RADAR_DURATION_TABLE, *PRADAR_DURATION_TABLE; - - -static UCHAR RdIdleTimeTable[MAX_RD_REGION][4] = -{ - {9, 250, 250, 250}, // CE - {4, 250, 250, 250}, // FCC - {4, 250, 250, 250}, // JAP - {15, 250, 250, 250}, // JAP_W53 - {4, 250, 250, 250} // JAP_W56 -}; - -/* - ======================================================================== - - Routine Description: - Bbp Radar detection routine - - Arguments: - pAd Pointer to our adapter - - Return Value: - - ======================================================================== -*/ -VOID BbpRadarDetectionStart( - IN PRTMP_ADAPTER pAd) -{ - UINT8 RadarPeriod; - - RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, 114, 0x02); - RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, 121, 0x20); - RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, 122, 0x00); - RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, 123, 0x08/*0x80*/); - RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, 124, 0x28); - RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, 125, 0xff); - - RadarPeriod = ((UINT)RdIdleTimeTable[pAd->CommonCfg.RadarDetect.RDDurRegion][0] + (UINT)pAd->CommonCfg.RadarDetect.DfsSessionTime) < 250 ? - (RdIdleTimeTable[pAd->CommonCfg.RadarDetect.RDDurRegion][0] + pAd->CommonCfg.RadarDetect.DfsSessionTime) : 250; - - RTMP_IO_WRITE8(pAd, 0x7020, 0x1d); - RTMP_IO_WRITE8(pAd, 0x7021, 0x40); - - RadarDetectionStart(pAd, 0, RadarPeriod); - return; -} - -/* - ======================================================================== - - Routine Description: - Bbp Radar detection routine - - Arguments: - pAd Pointer to our adapter - - Return Value: - - ======================================================================== -*/ -VOID BbpRadarDetectionStop( - IN PRTMP_ADAPTER pAd) -{ - RTMP_IO_WRITE8(pAd, 0x7020, 0x1d); - RTMP_IO_WRITE8(pAd, 0x7021, 0x60); - - RadarDetectionStop(pAd); - return; -} - -/* - ======================================================================== - - Routine Description: - Radar detection routine - - Arguments: - pAd Pointer to our adapter - - Return Value: - - ======================================================================== -*/ -VOID RadarDetectionStart( - IN PRTMP_ADAPTER pAd, - IN BOOLEAN CTSProtect, - IN UINT8 CTSPeriod) -{ - UINT8 DfsActiveTime = (pAd->CommonCfg.RadarDetect.DfsSessionTime & 0x1f); - UINT8 CtsProtect = (CTSProtect == 1) ? 0x02 : 0x01; // CTS protect. - - if (CTSProtect != 0) - { - switch(pAd->CommonCfg.RadarDetect.RDDurRegion) - { - case FCC: - case JAP_W56: - CtsProtect = 0x03; - break; - - case CE: - case JAP_W53: - default: - CtsProtect = 0x02; - break; - } - } - else - CtsProtect = 0x01; - - - // send start-RD with CTS protection command to MCU - // highbyte [7] reserve - // highbyte [6:5] 0x: stop Carrier/Radar detection - // highbyte [10]: Start Carrier/Radar detection without CTS protection, 11: Start Carrier/Radar detection with CTS protection - // highbyte [4:0] Radar/carrier detection duration. In 1ms. - - // lowbyte [7:0] Radar/carrier detection period, in 1ms. - AsicSendCommandToMcu(pAd, 0x60, 0xff, CTSPeriod, DfsActiveTime | (CtsProtect << 5)); - //AsicSendCommandToMcu(pAd, 0x63, 0xff, 10, 0); - - return; -} - -/* - ======================================================================== - - Routine Description: - Radar detection routine - - Arguments: - pAd Pointer to our adapter - - Return Value: - TRUE Found radar signal - FALSE Not found radar signal - - ======================================================================== -*/ -VOID RadarDetectionStop( - IN PRTMP_ADAPTER pAd) -{ - DBGPRINT(RT_DEBUG_TRACE,("RadarDetectionStop.\n")); - AsicSendCommandToMcu(pAd, 0x60, 0xff, 0x00, 0x00); // send start-RD with CTS protection command to MCU - - return; -} - /* ======================================================================== @@ -206,227 +52,17 @@ VOID RadarDetectionStop( ======================================================================== */ -BOOLEAN RadarChannelCheck( - IN PRTMP_ADAPTER pAd, - IN UCHAR Ch) +BOOLEAN RadarChannelCheck(struct rt_rtmp_adapter *pAd, u8 Ch) { -#if 1 - INT i; + int i; BOOLEAN result = FALSE; - for (i=0; i<pAd->ChannelListNum; i++) - { - if (Ch == pAd->ChannelList[i].Channel) - { + for (i = 0; i < pAd->ChannelListNum; i++) { + if (Ch == pAd->ChannelList[i].Channel) { result = pAd->ChannelList[i].DfsReq; break; } } return result; -#else - INT i; - UCHAR Channel[15]={52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}; - - for (i=0; i<15; i++) - { - if (Ch == Channel[i]) - { - break; - } - } - - if (i != 15) - return TRUE; - else - return FALSE; -#endif } - -ULONG JapRadarType( - IN PRTMP_ADAPTER pAd) -{ - ULONG i; - const UCHAR Channel[15]={52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140}; - - if (pAd->CommonCfg.RadarDetect.RDDurRegion != JAP) - { - return pAd->CommonCfg.RadarDetect.RDDurRegion; - } - - for (i=0; i<15; i++) - { - if (pAd->CommonCfg.Channel == Channel[i]) - { - break; - } - } - - if (i < 4) - return JAP_W53; - else if (i < 15) - return JAP_W56; - else - return JAP; // W52 - -} - -ULONG RTMPBbpReadRadarDuration( - IN PRTMP_ADAPTER pAd) -{ - UINT8 byteValue = 0; - ULONG result; - - BBP_IO_READ8_BY_REG_ID(pAd, BBP_R115, &byteValue); - - result = 0; - switch (byteValue) - { - case 1: // radar signal detected by pulse mode. - case 2: // radar signal detected by width mode. - result = RTMPReadRadarDuration(pAd); - break; - - case 0: // No radar signal. - default: - - result = 0; - break; - } - - return result; -} - -ULONG RTMPReadRadarDuration( - IN PRTMP_ADAPTER pAd) -{ - ULONG result = 0; - - return result; - -} - -VOID RTMPCleanRadarDuration( - IN PRTMP_ADAPTER pAd) -{ - return; -} - -/* - ======================================================================== - Routine Description: - Radar wave detection. The API should be invoke each second. - - Arguments: - pAd - Adapter pointer - - Return Value: - None - - ======================================================================== -*/ -VOID ApRadarDetectPeriodic( - IN PRTMP_ADAPTER pAd) -{ - INT i; - - pAd->CommonCfg.RadarDetect.InServiceMonitorCount++; - - for (i=0; i<pAd->ChannelListNum; i++) - { - if (pAd->ChannelList[i].RemainingTimeForUse > 0) - { - pAd->ChannelList[i].RemainingTimeForUse --; - if ((pAd->Mlme.PeriodicRound%5) == 0) - { - DBGPRINT(RT_DEBUG_TRACE, ("RadarDetectPeriodic - ch=%d, RemainingTimeForUse=%d\n", pAd->ChannelList[i].Channel, pAd->ChannelList[i].RemainingTimeForUse)); - } - } - } - - //radar detect - if ((pAd->CommonCfg.Channel > 14) - && (pAd->CommonCfg.bIEEE80211H == 1) - && RadarChannelCheck(pAd, pAd->CommonCfg.Channel)) - { - RadarDetectPeriodic(pAd); - } - - return; -} - -// Periodic Radar detection, switch channel will occur in RTMPHandleTBTTInterrupt() -// Before switch channel, driver needs doing channel switch announcement. -VOID RadarDetectPeriodic( - IN PRTMP_ADAPTER pAd) -{ - // need to check channel availability, after switch channel - if (pAd->CommonCfg.RadarDetect.RDMode != RD_SILENCE_MODE) - return; - - // channel availability check time is 60sec, use 65 for assurance - if (pAd->CommonCfg.RadarDetect.RDCount++ > pAd->CommonCfg.RadarDetect.ChMovingTime) - { - DBGPRINT(RT_DEBUG_TRACE, ("Not found radar signal, start send beacon and radar detection in service monitor\n\n")); - BbpRadarDetectionStop(pAd); - AsicEnableBssSync(pAd); - pAd->CommonCfg.RadarDetect.RDMode = RD_NORMAL_MODE; - - - return; - } - - return; -} - - -/* - ========================================================================== - Description: - change channel moving time for DFS testing. - - Arguments: - pAdapter Pointer to our adapter - wrq Pointer to the ioctl argument - - Return Value: - None - - Note: - Usage: - 1.) iwpriv ra0 set ChMovTime=[value] - ========================================================================== -*/ -INT Set_ChMovingTime_Proc( - IN PRTMP_ADAPTER pAd, - IN PUCHAR arg) -{ - UINT8 Value; - - Value = simple_strtol(arg, 0, 10); - - pAd->CommonCfg.RadarDetect.ChMovingTime = Value; - - DBGPRINT(RT_DEBUG_TRACE, ("%s:: %d\n", __func__, - pAd->CommonCfg.RadarDetect.ChMovingTime)); - - return TRUE; -} - -INT Set_LongPulseRadarTh_Proc( - IN PRTMP_ADAPTER pAd, - IN PUCHAR arg) -{ - UINT8 Value; - - Value = simple_strtol(arg, 0, 10) > 10 ? 10 : simple_strtol(arg, 0, 10); - - pAd->CommonCfg.RadarDetect.LongPulseRadarTh = Value; - - DBGPRINT(RT_DEBUG_TRACE, ("%s:: %d\n", __func__, - pAd->CommonCfg.RadarDetect.LongPulseRadarTh)); - - return TRUE; -} - - |