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-rw-r--r--drivers/staging/rt2870/common/dfs.c454
1 files changed, 1 insertions, 453 deletions
diff --git a/drivers/staging/rt2870/common/dfs.c b/drivers/staging/rt2870/common/dfs.c
index b09bba5cb20..ac2da4c0e2c 100644
--- a/drivers/staging/rt2870/common/dfs.c
+++ b/drivers/staging/rt2870/common/dfs.c
@@ -1,453 +1 @@
-/*
- *************************************************************************
- * 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:
- ap_dfs.c
-
- Abstract:
- Support DFS function.
-
- 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);
-
-#if 0
- // toggle Rx enable bit for radar detection.
- // it's Andy's recommand.
- {
- UINT32 Value;
- RTMP_IO_READ32(pAd, MAC_SYS_CTRL, &Value);
- Value |= (0x1 << 3);
- RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, Value);
- Value &= ~(0x1 << 3);
- RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, Value);
- }
-#endif
- 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;
-}
-
-/*
- ========================================================================
-
- Routine Description:
- Radar channel check routine
-
- Arguments:
- pAd Pointer to our adapter
-
- Return Value:
- TRUE need to do radar detect
- FALSE need not to do radar detect
-
- ========================================================================
-*/
-BOOLEAN RadarChannelCheck(
- IN PRTMP_ADAPTER pAd,
- IN UCHAR Ch)
-{
-#if 1
- INT i;
- BOOLEAN result = FALSE;
-
- 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;
-
-#ifdef DFS_SUPPORT
- UINT8 duration1 = 0, duration2 = 0, duration3 = 0;
-
- BBP_IO_READ8_BY_REG_ID(pAd, BBP_R116, &duration1);
- BBP_IO_READ8_BY_REG_ID(pAd, BBP_R117, &duration2);
- BBP_IO_READ8_BY_REG_ID(pAd, BBP_R118, &duration3);
- result = (duration1 << 16) + (duration2 << 8) + duration3;
-#endif // DFS_SUPPORT //
-
- 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;
-}
-
-
+#include "../../rt2860/common/dfs.c"
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 20:47:38 +0000