Files
Linux_Drivers/osdrv/extdrv/wireless/mediatek/mt7603/common/cmm_cs.c
forum_service 213c880673 add driver of tp、wiegand-gpio and wireless
Change-Id: Ie3c11d9d85cf1a05042f5690ac711856fe8b1ad7
2023-12-22 09:56:05 +08:00

928 lines
25 KiB
C

/*
***************************************************************************
* Ralink Tech Inc.
* 4F, No. 2 Technology 5th Rd.
* Science-based Industrial Park
* Hsin-chu, Taiwan, R.O.C.
*
* (c) Copyright 2002, Ralink Technology, Inc.
*
* All rights reserved. Ralink's source code is an unpublished work and the
* use of a copyright notice does not imply otherwise. This source code
* contains confidential trade secret material of Ralink Tech. Any attemp
* or participation in deciphering, decoding, reverse engineering or in any
* way altering the source code is stricitly prohibited, unless the prior
* written consent of Ralink Technology, Inc. is obtained.
***************************************************************************
Module Name:
cmm_cs.c
Abstract:
Carrier Sensing related functions
Revision History:
Who When What
---------------------------------------------------------------------
*/
#include "rt_config.h"
#ifdef CARRIER_DETECTION_SUPPORT
static ULONG time[20];
static ULONG idle[20];
static ULONG busy[20];
static ULONG cd_idx=0;
static void ToneRadarProgram(PRTMP_ADAPTER pAd);
#ifdef CONFIG_AP_SUPPORT
static inline VOID CarrierDetectionResetStatus(PRTMP_ADAPTER pAd)
{
if(pAd->chipCap.carrier_func == TONE_RADAR_V3)
{
RTMP_BBP_IO_WRITE32(pAd, TR_R1, 0x3);
}
else
{
RTMP_CARRIER_IO_WRITE8(pAd, 1, 1);
}
}
static inline VOID CarrierDetectionStatusGet(PRTMP_ADAPTER pAd,
PUINT8 pStatus)
{
*pStatus = 0;
if(pAd->chipCap.carrier_func == TONE_RADAR_V3)
{
UINT32 mac_value = 0;
RTMP_BBP_IO_READ32(pAd, TR_R1, &mac_value);
*pStatus = (UINT8) mac_value;
}
else
{
RTMP_CARRIER_IO_READ8(pAd, 1, pStatus);
}
}
static inline VOID CarrierDetectionEnable(PRTMP_ADAPTER pAd,
BOOLEAN bEnable)
{
if(pAd->chipCap.carrier_func == TONE_RADAR_V3)
{
RTMP_BBP_IO_WRITE32(pAd, TR_R0, bEnable);
}
else
{
RTMP_CARRIER_IO_WRITE8(pAd, 0, bEnable);
}
}
/*
==========================================================================
Description:
Check current CS state, indicating Silient state (carrier exist) or not
Arguments:
pAd Pointer to our adapter
Return Value:
TRUE if the current state is SILENT state, FALSE other wise
Note:
==========================================================================
*/
INT isCarrierDetectExist(
IN PRTMP_ADAPTER pAd)
{
if (pAd->CommonCfg.CarrierDetect.CD_State == CD_SILENCE)
return TRUE;
else
return FALSE;
}
/*
==========================================================================
Description:
Enable or Disable Carrier Detection feature (AP ioctl).
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
Usage:
1.) iwpriv ra0 set CarrierDetect=[1/0]
==========================================================================
*/
INT Set_CarrierDetect_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
UCHAR apidx = pObj->ioctl_if;
UINT Enable;
if (apidx != MAIN_MBSSID)
return FALSE;
Enable = (UINT) simple_strtol(arg, 0, 10);
pAd->CommonCfg.CarrierDetect.Enable = (BOOLEAN)(Enable == 0 ? FALSE : TRUE);
RTMP_CHIP_RADAR_GLRT_COMPENSATE(pAd);
RTMP_CHIP_CCK_MRC_STATUS_CTRL(pAd);
if (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
CarrierDetectionStart(pAd);
else
CarrierDetectionStop(pAd);
DBGPRINT(RT_DEBUG_TRACE, ("%s:: %s\n", __FUNCTION__,
pAd->CommonCfg.CarrierDetect.Enable == TRUE ? "Enable Carrier Detection":"Disable Carrier Detection"));
return TRUE;
}
#endif /* CONFIG_AP_SUPPORT */
/*
==========================================================================
Description:
When h/w interrupt is not available for CS, this function monitor necessary parameters that determine the CS
state periodically. (every 100ms)
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID CarrierDetectionPeriodicStateCtrl(
IN PRTMP_ADAPTER pAd)
{
PCARRIER_DETECTION_STRUCT pCarrierDetect = &pAd->CommonCfg.CarrierDetect;
CD_STATE *pCD_State = &pCarrierDetect->CD_State;
ULONG *pOneSecIntCount = &pCarrierDetect->OneSecIntCount;
#ifdef CONFIG_ATE
/* Nothing to do in ATE mode */
if (ATE_ON(pAd))
return;
#endif /* CONFIG_ATE */
// TODO: shiang-7603
if (pAd->chipCap.hif_type == HIF_MT) {
DBGPRINT(RT_DEBUG_OFF, ("%s(%d): Not support for HIF_MT yet!\n",
__FUNCTION__, __LINE__));
return;
}
if (pCarrierDetect->bCsInit == FALSE)
return;
if (pAd->chipCap.carrier_func == TONE_RADAR_V3)
{
UINT8 TrStatus = 0;
CarrierDetectionStatusGet(pAd, &TrStatus);
if (TrStatus)
{
if (*pCD_State == CD_NORMAL)
{
DBGPRINT(RT_DEBUG_OFF,
("Carrier Detected ! (TrStatus = 0x%x)\n", TrStatus));
*pCD_State = CD_SILENCE;
/* stop all TX actions including Beacon sending.*/
AsicDisableSync(pAd);
}
*pOneSecIntCount = pCarrierDetect->CarrierGoneThreshold;
CarrierDetectionResetStatus(pAd);
}
else
*pOneSecIntCount = 0;
/*CarrierDetectionResetStatus(pAd);*/
}
#ifdef CARRIER_DETECTION_FIRMWARE_SUPPORT
#ifdef RELEASE_EXCLUDE
/*
* (1)
* in NORMAL state, if count == 0, then enter SILENCE state;
* in SILENCE state, if RadarToneCount in one second < CARRIER_GONE_TRESHOLD,
* then return to NORMAL state.
*
* (2)
* mcu command: 3xxx Carrier Detection Read(0x66)
* arg0: not used
* arg1: not used
* firmware will update Recheck and RadarToneCount after
* this command is sent. then driver can read the two values.
*/
#endif /* RELEASE_EXCLUDE */
if (pAd->chipCap.carrier_func == TONE_RADAR_V2)
{
CARRIER_DETECT_PARAM CarrDetectParam;
/* tell firmware to prepare Recheck and RadarToneCount */
AsicSendCommandToMcu(pAd, CD_CHECKOUT_MCU_CMD, 0xff, 0x00, 0x00, FALSE);
/* Debug */
if (pAd->CommonCfg.CarrierDetect.Debug == RT_DEBUG_TRACE)
{
CARRIER_DETECT_DEBUG CarrDetectDebug;
RTUSBMultiRead(pAd, 0x4CB0, (PUCHAR) &CarrDetectDebug, sizeof(CarrDetectDebug));
printk("delta_div = 0x%02X, rRadarToneCount = %u, Recheck = %u, Criteria = %u, Threshold = 0x%08X, VGA_Mask = 0x%04X\n",
CarrDetectDebug.delta_div,
CarrDetectDebug.RadarToneCount,
CarrDetectDebug.ReCheck,
CarrDetectDebug.Criteria << 6, /* ms -> 16us*/
CarrDetectDebug.Threshold,
CarrDetectDebug.VGA_Mask);
}
RTUSBMultiRead(pAd, RADAR_TONE_COUNT, (PUCHAR) &CarrDetectParam, sizeof(CarrDetectParam));
switch(*pCD_State)
{
case CD_NORMAL:
if (CarrDetectParam.ReCheck == 0)
{
*pCD_State = CD_SILENCE;
if (pAd->CommonCfg.CarrierDetect.Debug != RT_DEBUG_TRACE)
{
DBGPRINT(RT_DEBUG_TRACE, ("Carrier Detected\n"));
/* stop all TX actions including Beacon sending.*/
AsicDisableSync(pAd);
}
else
printk("Carrier Detected\n");
}
break;
case CD_SILENCE:
*pOneSecIntCount += CarrDetectParam.RadarToneCount;
break;
default:
break;
}
}
#endif /* CARRIER_DETECTION_FIRMWARE_SUPPORT */
}
/*
==========================================================================
Description:
When there is no f/w taking care of CS operation, this function depends on h/w interrupts for every possible carrier
tone to judge the CS state
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID RTMPHandleRadarInterrupt(PRTMP_ADAPTER pAd)
{
UINT32 value, delta;
UCHAR bbp=0;
PCARRIER_DETECTION_STRUCT pCarrierDetect = &pAd->CommonCfg.CarrierDetect;
if (pAd->chipCap.carrier_func > TONE_RADAR_V2)
return;
DBGPRINT(RT_DEBUG_TRACE, ("RTMPHandleRadarInterrupt()\n"));
RTMP_IO_READ32(pAd, PBF_LIFE_TIMER, &value);
RTMP_IO_READ32(pAd, CH_IDLE_STA, &pCarrierDetect->idle_time);
pCarrierDetect->busy_time = AsicGetChBusyCnt(pAd, 0);
delta = (value >> 4) - pCarrierDetect->TimeStamp;
pCarrierDetect->TimeStamp = value >> 4;
pCarrierDetect->OneSecIntCount++;
if(pAd->chipCap.carrier_func==TONE_RADAR_V2)
{
#ifdef RTMP_BBP
CarrierDetectionStatusGet(pAd, &bbp);
if (!(bbp & 0x1))
return;
else
#endif /* RTMP_BBP */
{
UINT32 RadarInt = 0;
#ifdef RLT_MAC
if (pAd->chipCap.hif_type == HIF_RLT)
RadarInt = RLT_RadarInt;
#endif /* RLT_MAC*/
#ifdef RTMP_MAC
if (pAd->chipCap.hif_type == HIF_RTMP)
RadarInt = RTMP_RadarInt;
#endif /* RTMP_MAC */
/* Disable carrier detection and clear the status bit*/
CarrierDetectionEnable(pAd, 0);
CarrierDetectionResetStatus(pAd);
/* Clear interrupt */
RTMP_IO_WRITE32(pAd, INT_SOURCE_CSR, RadarInt);
}
}
if (pCarrierDetect->Debug)
{
if (cd_idx < 20)
{
time[cd_idx] = delta;
idle[cd_idx] = pCarrierDetect->idle_time;
busy[cd_idx] = pCarrierDetect->busy_time;
cd_idx++;
}
else
{
int i;
pCarrierDetect->Debug = 0;
for (i = 0; i < 20; i++)
{
printk("%3d %4ld %ld %ld\n", i, time[i], idle[i], busy[i]);
}
cd_idx = 0;
}
}
if (pCarrierDetect->CD_State == CD_NORMAL)
{
if ((delta < pCarrierDetect->criteria) && (pCarrierDetect->recheck))
pCarrierDetect->recheck --;
else
pCarrierDetect->recheck = pCarrierDetect->recheck1;
if (pCarrierDetect->recheck == 0)
{
/* declare carrier sense*/
pCarrierDetect->CD_State = CD_SILENCE;
if (pCarrierDetect->Debug != RT_DEBUG_TRACE)
{
DBGPRINT(RT_DEBUG_TRACE, ("Carrier Detected\n"));
/* stop all TX actions including Beacon sending.*/
AsicDisableSync(pAd);
}
else
{
printk("Carrier Detected\n");
}
}
}
if(pAd->chipCap.carrier_func == TONE_RADAR_V2)
{
CarrierDetectionStatusGet(pAd, &bbp);
if (bbp & 0x1)
{
DBGPRINT(RT_DEBUG_ERROR, ("CS bit not cleared!!!\n"));
CarrierDetectionResetStatus(pAd);
}
/* re-enable carrier detection */
CarrierDetectionEnable(pAd, 1);
}
else if(pAd->chipCap.carrier_func == TONE_RADAR_V1 &&
pCarrierDetect->Enable)
{
ToneRadarProgram(pAd);
}
}
/*
==========================================================================
Description:
Reset CS state to NORMAL state.
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
INT CarrierDetectReset(
IN PRTMP_ADAPTER pAd)
{
pAd->CommonCfg.CarrierDetect.CD_State = CD_NORMAL;
return 0;
}
/*
==========================================================================
Description:
Criteria in CS is a timing difference threshold for a pair of carrier tones. This function is a ioctl uesed to adjust the
Criteria. (unit: 16us)
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierCriteria_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
UINT32 Value;
Value = simple_strtol(arg, 0, 10);
pAd->CommonCfg.CarrierDetect.criteria = Value;
#ifdef CARRIER_DETECTION_FIRMWARE_SUPPORT
{
USHORT sVal = (USHORT) (Value >> 6); /* convert unit from 16us to ms:(2^4 /2^10) */
RTUSBMultiWrite(pAd, CD_CRITERIA, (PUCHAR) &sVal, 2, FALSE);
/* send enable cmd to mcu to take effect */
AsicSendCommandToMcu(pAd, CD_ONOFF_MCU_CMD, 0xff, 0x01, 0x00, FALSE);
}
#endif /* CARRIER_DETECTION_FIRMWARE_SUPPORT */
return TRUE;
}
/*
==========================================================================
Description:
ReCheck in CS is a value indicating how many continuous incoming carrier tones is enough us to announce that there
is carrier tone (and hence enter SILENT state). This function is a ioctl uesed to adjust the ReCheck value.
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierReCheck_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.recheck1 = simple_strtol(arg, 0, 10);
DBGPRINT(RT_DEBUG_TRACE, ("Set Recheck = %u\n", pAd->CommonCfg.CarrierDetect.recheck1));
#ifdef CARRIER_DETECTION_FIRMWARE_SUPPORT
RTMP_IO_WRITE8(pAd, CD_CHECK_COUNT, pAd->CommonCfg.CarrierDetect.recheck1);
/* send enable cmd to mcu to take effect */
AsicSendCommandToMcu(pAd, CD_ONOFF_MCU_CMD, 0xff, 0x01, 0x00, FALSE);
#endif /* CARRIER_DETECTION_FIRMWARE_SUPPORT */
return TRUE;
}
/*
==========================================================================
Description:
CarrierGoneThreshold is used to determine whether we should leave SILENT state. When the number of carrier
tones in a certain period of time is less than CarrierGoneThreshold, we should return to NORMAL state. This function
is a ioctl uesed to adjust the CarrierGoneThreshold.
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierGoneThreshold_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.CarrierGoneThreshold = simple_strtol(arg, 0, 10);
DBGPRINT(RT_DEBUG_TRACE, ("Set CarrierGoneThreshold = %u\n", pAd->CommonCfg.CarrierDetect.CarrierGoneThreshold));
return TRUE;
}
/*
==========================================================================
Description:
Setting up the carrier debug level. set 0 means to turning off the carrier debug
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierDebug_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.Debug = simple_strtol(arg, 0, 10);
printk("pAd->CommonCfg.CarrierDetect.Debug = %ld\n", pAd->CommonCfg.CarrierDetect.Debug);
return TRUE;
}
/*
==========================================================================
Description:
Delta control the delay line characteristic of the cross correlation energy calculation.
This function is a ioctl uesed to adjust the Delta value.
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierDelta_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.delta = simple_strtol(arg, 0, 10);
printk("Delta = %d\n", pAd->CommonCfg.CarrierDetect.delta);
CarrierDetectionStart(pAd);
return TRUE;
}
/*
==========================================================================
Description:
To set ON/OFF of the "Not Divide Flag"
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierDivFlag_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.div_flag = simple_strtol(arg, 0, 10);
printk("DivFlag = %d\n", pAd->CommonCfg.CarrierDetect.div_flag);
CarrierDetectionStart(pAd);
return TRUE;
}
/*
==========================================================================
Description:
Carrier Threshold is the energy threshold for h/w to determine a carrier tone or not.
This function is a ioctl uesed to adjust the Threshold value.
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierThrd_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.threshold = simple_strtol(arg, 0, 10);
printk("CarrThrd = %d(0x%x)\n", pAd->CommonCfg.CarrierDetect.threshold, pAd->CommonCfg.CarrierDetect.threshold);
CarrierDetectionStart(pAd);
return TRUE;
}
/*
==========================================================================
Description:
Carrier SymRund is the number of round bits in Radar Symmetric Round Bits Option.
This function is a ioctl uesed to adjust the SymRund. (unit: bit)
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierSymRund_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.SymRund= simple_strtol(arg, 0, 10);
printk("SymRund = %d\n", pAd->CommonCfg.CarrierDetect.SymRund);
CarrierDetectionStart(pAd);
return TRUE;
}
/*
==========================================================================
Description:
Carrier Masks are used to prevent false trigger while doing Rx_PE, Packet_End, and AGC tuning.
This function is a ioctl uesed to adjust these three mask. (unit: 100ns)
Arguments:
pAd Pointer to our adapter
arg Pointer to the ioctl argument
Return Value:
None
Note:
==========================================================================
*/
INT Set_CarrierMask_Proc(RTMP_ADAPTER *pAd, RTMP_STRING *arg)
{
pAd->CommonCfg.CarrierDetect.VGA_Mask = simple_strtol(arg, 0, 10);
pAd->CommonCfg.CarrierDetect.Packet_End_Mask = simple_strtol(arg, 0, 10);
pAd->CommonCfg.CarrierDetect.Rx_PE_Mask = simple_strtol(arg, 0, 10);
printk("CarrMask = %u(%x)\n", pAd->CommonCfg.CarrierDetect.VGA_Mask, pAd->CommonCfg.CarrierDetect.VGA_Mask);
CarrierDetectionStart(pAd);
return TRUE;
}
/*
==========================================================================
Description:
Initialize CS parameters.
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID CSInit(
IN PRTMP_ADAPTER pAd)
{
PCARRIER_DETECTION_STRUCT pCarrierDetect = &pAd->CommonCfg.CarrierDetect;
pCarrierDetect->TimeStamp = 0;
pCarrierDetect->recheck = pCarrierDetect->recheck1;
pCarrierDetect->OneSecIntCount = 0;
pCarrierDetect->bCsInit = FALSE;
}
/*
==========================================================================
Description:
To trigger CS start
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID CarrierDetectionStart(PRTMP_ADAPTER pAd)
{
/*ULONG Value;*/
/* Enable Bandwidth usage monitor*/
DBGPRINT(RT_DEBUG_TRACE, ("CarrierDetectionStart\n"));
/*RTMP_IO_READ32(pAd, CH_TIME_CFG, &Value);*/
/*RTMP_IO_WRITE32(pAd, CH_TIME_CFG, Value | 0x1f); */
/* Init Carrier Detect*/
if (pAd->CommonCfg.CarrierDetect.Enable)
{
CSInit(pAd);
ToneRadarProgram(pAd);
#ifdef CARRIER_DETECTION_FIRMWARE_SUPPORT
#ifdef RELEASE_EXCLUDE
/*
start/stop firmware operation for USB carrier detection,
arg0: 0/1 Disable/Enable
*/
#endif /* RELEASE_EXCLUDE */
{
USHORT criteria = (USHORT) (pAd->CommonCfg.CarrierDetect.criteria >> 6); /* convert unit from 16us to 1ms:(2^4 /2^10) */
RTUSBMultiWrite(pAd, CD_CRITERIA, (PUCHAR) &criteria, 2, FALSE);
RTMP_IO_WRITE8(pAd, CD_CHECK_COUNT, pAd->CommonCfg.CarrierDetect.recheck1);
AsicSendCommandToMcu(pAd, CD_ONOFF_MCU_CMD, 0xff, 0x01, 0x00, FALSE);
}
#else
#ifndef MT760x
/* trun on interrupt polling for pcie device */
if (pAd->infType == RTMP_DEV_INF_PCIE)
AsicSendCommandToMcu(pAd, CD_INT_POLLING_CMD, 0xff, 0x01, 0x00, FALSE);
#endif /* MT760x */
#endif /* CARRIER_DETECTION_FIRMWARE_SUPPORT */
pAd->CommonCfg.CarrierDetect.bCsInit = TRUE;
}
}
/*
==========================================================================
Description:
To stop CS
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID CarrierDetectionStop(IN PRTMP_ADAPTER pAd)
{
CarrierDetectReset(pAd);
CarrierDetectionEnable(pAd, 0);
#ifdef CARRIER_DETECTION_FIRMWARE_SUPPORT
/* Stop firmware CS action */
AsicSendCommandToMcu(pAd, CD_ONOFF_MCU_CMD, 0xff, 0x00, 0x00, FALSE);
#endif /* CARRIER_DETECTION_FIRMWARE_SUPPORT */
return;
}
/*
==========================================================================
Description:
To program CS related BBP registers (CS initialization)
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
static VOID ToneRadarProgram(PRTMP_ADAPTER pAd)
{
ULONG threshold;
/* if wireless mode is 20Mhz mode, then the threshold should div by 2 */
if (pAd->CommonCfg.HtCapability.HtCapInfo.ChannelWidth == BW_20)
threshold = pAd->CommonCfg.CarrierDetect.threshold >> 1;
else
threshold = pAd->CommonCfg.CarrierDetect.threshold;
/* Call ToneRadarProgram_v1/ToneRadarProgram_v2*/
RTMP_CHIP_CARRIER_PROGRAM(pAd, threshold);
}
/*
==========================================================================
Description:
To program CS v1 related BBP registers (CS initialization)
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID ToneRadarProgram_v1(PRTMP_ADAPTER pAd, ULONG threshold)
{
UCHAR bbp;
DBGPRINT(RT_DEBUG_TRACE, ("ToneRadarProgram v1\n"));
/* programe delta delay & division bit*/
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R184, 0xf0);
bbp = pAd->CommonCfg.CarrierDetect.delta << 4;
bbp |= (pAd->CommonCfg.CarrierDetect.div_flag & 0x1) << 3;
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R185, bbp);
/* program threshold*/
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R184, 0x34);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R185, (threshold & 0xff000000) >> 24);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R184, 0x24);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R185, (threshold & 0xff0000) >> 16);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R184, 0x14);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R185, (threshold & 0xff00) >> 8);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R184, 0x04);
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R185, threshold & 0xff);
/* ToneRadarEnable v1 */
BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R184, 0x05);
}
/*
==========================================================================
Description:
To program CS v2 related BBP registers (CS initialization)
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID ToneRadarProgram_v2(PRTMP_ADAPTER pAd, ULONG threshold)
{
UCHAR bbp;
/* programe delta delay & division bit*/
DBGPRINT(RT_DEBUG_TRACE, ("ToneRadarProgram v2\n"));
bbp = pAd->CommonCfg.CarrierDetect.delta | \
((pAd->CommonCfg.CarrierDetect.SymRund & 0x3) << 4) | \
((pAd->CommonCfg.CarrierDetect.div_flag & 0x1) << 6) | \
0x80; /* Full 40MHz Detection Mode */
RTMP_CARRIER_IO_WRITE8(pAd, 5, bbp);
/* program *_mask*/
RTMP_CARRIER_IO_WRITE8(pAd, 2, pAd->CommonCfg.CarrierDetect.VGA_Mask);
RTMP_CARRIER_IO_WRITE8(pAd, 3, pAd->CommonCfg.CarrierDetect.Packet_End_Mask);
RTMP_CARRIER_IO_WRITE8(pAd, 4, pAd->CommonCfg.CarrierDetect.Rx_PE_Mask);
/* program threshold*/
RTMP_CARRIER_IO_WRITE8(pAd, 6, threshold & 0xff);
RTMP_CARRIER_IO_WRITE8(pAd, 7, (threshold & 0xff00) >> 8);
RTMP_CARRIER_IO_WRITE8(pAd, 8, (threshold & 0xff0000) >> 16);
RTMP_CARRIER_IO_WRITE8(pAd, 9, (threshold & 0xff000000) >> 24);
/* ToneRadarEnable v2 */
CarrierDetectionEnable(pAd, 1);
}
/*
==========================================================================
Description:
To program CS v3 related BBP registers (CS initialization)
Arguments:
pAd Pointer to our adapter
Return Value:
None
Note:
==========================================================================
*/
VOID ToneRadarProgram_v3(PRTMP_ADAPTER pAd, ULONG threshold)
{
#if 1
/*
Carrier Sense (Tone Radar) BBP initialization
(MT7650 Carrier sense programming guide_v1_20120824.docx)
*/
DBGPRINT(RT_DEBUG_TRACE, ("ToneRadarProgram v3\n"));
CarrierDetectionEnable(pAd, 0);
RTMP_BBP_IO_WRITE32(pAd, TR_R2, 0x002d002d);
RTMP_BBP_IO_WRITE32(pAd, TR_R3, 0x0003002d);
RTMP_BBP_IO_WRITE32(pAd, TR_R5, 0x80000000);
RTMP_BBP_IO_WRITE32(pAd, TR_R6, 0x80100000);
CarrierDetectionEnable(pAd, 1);
#else
UCHAR bbp;
/* programe delta delay & division bit*/
DBGPRINT(RT_DEBUG_TRACE, ("ToneRadarProgram v3\n"));
bbp = pAd->CommonCfg.CarrierDetect.delta | \
((pAd->CommonCfg.CarrierDetect.SymRund & 0x3) << 4) | \
((pAd->CommonCfg.CarrierDetect.div_flag & 0x1) << 6) | \
0x80; /* Full 40MHz Detection Mode */
RTMP_CARRIER_IO_WRITE8(pAd, 5, bbp);
/* program *_mask*/
RTMP_CARRIER_IO_WRITE8(pAd, 2, pAd->CommonCfg.CarrierDetect.VGA_Mask);
RTMP_CARRIER_IO_WRITE8(pAd, 3, pAd->CommonCfg.CarrierDetect.Packet_End_Mask);
RTMP_CARRIER_IO_WRITE8(pAd, 4, pAd->CommonCfg.CarrierDetect.Rx_PE_Mask);
/* program threshold*/
RTMP_CARRIER_IO_WRITE8(pAd, 6, threshold & 0xff);
RTMP_CARRIER_IO_WRITE8(pAd, 7, (threshold & 0xff00) >> 8);
RTMP_CARRIER_IO_WRITE8(pAd, 8, (threshold & 0xff0000) >> 16);
RTMP_CARRIER_IO_WRITE8(pAd, 9, (threshold & 0xff000000) >> 24);
/* ToneRadarEnable v2 */
RTMP_CARRIER_IO_WRITE8(pAd, 0, 1);
#endif
}
#endif /* CARRIER_DETECTION_SUPPORT */