UTS6710/drivers/hdmi/533/mhl/cbus_mid.c

//***************************************************************************
//!file     mid_cbus.c
//!brief
//
//***************************************************************************/
#include <linux/kernel.h>  /* printk */
#include <linux/string.h>
#include "cbus_mid.h"
#include "cbus_drv.h"
#include "cbus_debug.h"
#include "../hdmi_cfg.h"
#include "drv_hdmi_external.h"
#include "../hdmi_hw.h"
#include <drv2kmf.h>
#include <drv_event.h>
#include "../hdmi_notice.h"
#include "../hdmi_time.h"
#include "../sysreg.h"
#include "../../../module_include/drv_hdmi_internal.h"

//------------------------------------------------------------------------------
//  CBUS Component Instance Data
//------------------------------------------------------------------------------

#define CH_ACTIVE_INDEX   (pMidCbus->chState.activeIndex)
#define CH_NEXT_INDEX   ((pMidCbus->chState.activeIndex + 1) % CBUS_MAX_COMMAND_QUEUE)

//------------------------------------------------------------------------------
//  CBUS Instance Data
//------------------------------------------------------------------------------

CbusMidInstanceData_t cbusInstance[NUM_CBUS];
CbusMidInstanceData_t *pMidCbus = &cbusInstance[0];


//------------------------------------------------------------------------------
//  CBUS Global Data
//------------------------------------------------------------------------------
#define DEV_CAP_OFFSET_ARRAY_SIZE 9
static const UINT8 bGetDevCapOffsetArray[DEV_CAP_OFFSET_ARRAY_SIZE] = {0x01, 0x02, 0x03, 0x04, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e};



//------------------------------------------------------------------------------
// Function:    CbusMidRequestStatus
// Description: Return the status of the message currently in process, if any.
// Parameters:
// Returns:     CBUS_REQ_IDLE, CBUS_REQ_PENDING, CBUS_REQ_SENT, or CBUS_REQ_RECEIVED
//------------------------------------------------------------------------------

CBUS_REQ_e CbusMidRequestStatus(void)
{
	return(pMidCbus->chState.request[ CH_ACTIVE_INDEX ].reqStatus);
}

//------------------------------------------------------------------------------
// Function:    CbusMidRequestSetStatus
// Description: Set the active request to the specified state
// Parameters:
//------------------------------------------------------------------------------

void CbusMidRequestSetStatus(CBUS_REQ_e newState)
{
	pMidCbus->chState.request[ CH_ACTIVE_INDEX ].reqStatus = newState;
}

//------------------------------------------------------------------------------
// Function:    CbusMidRequestDataGet
// Description: Return a copy of the currently active request structure
// Parameters:  pbCmdType: return received MSC Command Type
//                     pbData: return received MSC Command data
// Returns:     none
//------------------------------------------------------------------------------

UINT8 CbusMidRequestDataGet(UINT8 *pbCmdType, UINT8 *pbData)
{
	if(CbusDrvMSCSubDataGet(pbCmdType, pbData) == FALSE)	//if no received sub command
	{
		return ERROR_INVALID;
	}
	//mhldbg("[%s] received MSC SubCmd 0x%x 0x%x\n", __FUNCTION__, *pbCmdType, *pbData);
	return CBUS_SUCCESS;
}


//------------------------------------------------------------------------------
// Function:    CbusMidChannelConnected
// Description: Return the CBUS channel connected status for this channel.
// Returns:     TRUE if connected.
//              FALSE if disconnected.
//------------------------------------------------------------------------------

BOOL CbusMidChannelConnected(void)
{
	return(pMidCbus->chState.connected);
}

//------------------------------------------------------------------------------
// Function:    CbusMidSendNextInQueue
// Description: Starting at the current active index, send the next pending
//              entry, if any
//------------------------------------------------------------------------------

static INT32 CbusMidSendNextInQueue(void)
{
	INT32   result = CBUS_SUCCESS;
	INT32   nextIndex = 0, endIndex =  (CH_ACTIVE_INDEX+CBUS_MAX_COMMAND_QUEUE-1)%CBUS_MAX_COMMAND_QUEUE;

	nextIndex =CH_ACTIVE_INDEX;
	while(1)
	{
		if(pMidCbus->chState.request[ nextIndex].reqStatus == CBUS_REQ_PENDING)
			break;
		if(nextIndex == endIndex)   // Searched whole queue, no pending messages
		{
			return(CBUS_SUCCESS);  // No pending messages, return success
		}

		nextIndex =(nextIndex ==(CBUS_MAX_COMMAND_QUEUE - 1))? 0 :(nextIndex + 1);
	}
	//CbusMidPrintChannelInfo(__FUNCTION__, __LINE__);

	mhldbg("[%s] index:%d cmd:0x%x offset: 0x%x\n", __FUNCTION__, nextIndex, pMidCbus->chState.request[ nextIndex].command, pMidCbus->chState.request[ nextIndex].offsetData);
	// Found a pending message, send it out
	if(CbusDrvWriteCommand(&pMidCbus->chState.request[ nextIndex]))
	{
		pMidCbus->chState.request[nextIndex].reqStatus = CBUS_REQ_SENT;
		pMidCbus->chState.state = CBUS_SENT_WAIT_RESPONSE;
		pMidCbus->chState.lastSendTime = HDMI_GetSysTime();
		pMidCbus->chState.sendNextWaitTime = 0;	//reset wait time

		if(pMidCbus->chState.request[CH_ACTIVE_INDEX].command == MHL_CLR_HPD)
		{
			pMidCbus->chState.sendNextWaitTime = CBUS_HPD_WAIT_TIME;
		}
	}
	else
	{
		result = ERROR_WRITE_FAILED;
	}
	//CbusMidPrintChannelInfo(__FUNCTION__, __LINE__);

	return(result);
}

//------------------------------------------------------------------------------
// Function:    CbusMidResetToIdle
// Description: Set the specified channel state to IDLE. Clears any messages that
//              are in progress or queued.  Usually used if a channel connection
//              changed or the channel heartbeat has been lost.
//------------------------------------------------------------------------------

static void CbusMidResetToIdle(void)
{
	UINT8 queueIndex;
	mhldbg("[%s]\n", __FUNCTION__);

	pMidCbus->chState.state = CBUS_IDLE;

	for(queueIndex = 0; queueIndex < CBUS_MAX_COMMAND_QUEUE; queueIndex++)
	{
		pMidCbus->chState.request[ queueIndex].reqStatus = CBUS_REQ_IDLE;
	}
}

//------------------------------------------------------------------------------
// Function:    CbusMidInsertCmdToQueue
// Description: Place a command in the CBUS message queue.  If queue was empty,
//              send the new command immediately.
//
// Parameters:
//              pReq    - Pointer to a cbus_req_t structure containing the
//                        command to write
// Returns:     TRUE    - successful queue/write
//              FALSE   - write and/or queue failed
//------------------------------------------------------------------------------

BOOL CbusMidInsertCmdToQueue(cbus_req_t *pReq)
{
	INT32   queueIndex;
	BOOL  success = FALSE;

#ifdef CBUS_DETAIL_DEBUG_MSG
	UINT8 i = 0;
	UINT8 bStr[100] = "";
    char bTemp[10] = "";
	mhldbg("[%s] Channel State: cmd:0x%02x offset:0x%02x len:%d\n", __FUNCTION__, pReq->command, pReq->offsetData, pReq->length);
	memset(bStr, 0, 100);
	for(i = 0; i< MHL_MAX_BUFFER_SIZE;i++)
    {
		sprintf(bTemp, "0x%x ",pReq->msgData[i]);
        strcat(bStr, bTemp);
    }
    mhldbg("\tmsg: %s\n",bStr);
#endif
	//print request for debug
	//CbusMidPrintChannelInfo(__FUNCTION__, __LINE__);

	if(pMidCbus->chState.connected)
	{
		queueIndex = CH_NEXT_INDEX;
		do{

			if(pMidCbus->chState.request[ queueIndex].reqStatus == CBUS_REQ_IDLE)
			{
				// Found an idle queue entry, copy the request and set to pending.


				memcpy(&pMidCbus->chState.request[ queueIndex], pReq, sizeof(cbus_req_t));
				pMidCbus->chState.request[ queueIndex].reqStatus = CBUS_REQ_PENDING;
				success = TRUE;
				mhldbg("[%s] index:%d cmd:0x%x offset: 0x%x\n", __FUNCTION__, queueIndex, pReq->command, pReq->offsetData);
				break;
			}
			queueIndex=((queueIndex+1)%CBUS_MAX_COMMAND_QUEUE);
		}while(queueIndex != CH_NEXT_INDEX);

		/* If successful at putting the request into the queue */
		if(success == FALSE)
		{
			printk("[MHL]CBUS:: Queue full - skip cmd:0x%x offset:0x%x\n", pReq->command, pReq->offsetData);
		}
	}

	//print queue data for debug
	//CbusMidPrintChannelInfo(__FUNCTION__, __LINE__);
	return(success);
}

//------------------------------------------------------------------------------
// Function:    CbusMidMscMsgSubCmdSend
// Description: Send MSC_MSG(RCP)message to the specified CBUS channel(port)
//
// Parameters:  channel     - CBUS channel
//              vsCommand   - MSC_MSG cmd(RCP, RCPK or RCPE)
//              cmdData     - MSC_MSG data
// Returns:     TRUE        - successful queue/write
//              FALSE       - write and/or queue failed
//------------------------------------------------------------------------------

BOOL CbusMidMscMsgSubCmdSend(UINT8 vsCommand, UINT8 cmdData)
{
	cbus_req_t  req;

	// Send MSC_MSG command(Vendor Specific command)

	req.command     = MHL_MSC_MSG;
	req.msgData[0]  = vsCommand;
	req.msgData[1]  = cmdData;
	if(!(CbusMidInsertCmdToQueue(&req)))
	{
		printk("[MHL]Couldn't send MHL_MSC_MSG to peer\n");
		return FALSE;
	}
	return TRUE;
}


//------------------------------------------------------------------------------
// Function:    CbusMidRapMessageAck
// Description: Send RAPK(acknowledge)message to the specified CBUS channel
//              and set the request status to idle.
//
// Returns:     TRUE        - successful queue/write
//              FALSE       - write and/or queue failed
//------------------------------------------------------------------------------

BOOL CbusMidRapMessageAck(MHL_RAPE_STATUS_e cmdStatus)
{
	return(CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RAPK, (UINT8)cmdStatus));
}

//------------------------------------------------------------------------------
// Function:    CbusMidProcessFailureInterrupts
// Description: Check for and process any failure interrupts.
// Returns:     SUCCESS or ERROR_CBUS_ABORT
//------------------------------------------------------------------------------

static UINT8 CbusMidProcessFailureInterrupts(UINT32 CbusTransIntStatus)
{
	UINT8 result = CBUS_SUCCESS;
	UINT8 mscAbortReason, ddcAbortReason;
	UINT8 mscFailReason;

	CbusDrvDdcAbortReasonGet(&ddcAbortReason);
	CbusDrvMscAbortReasonGet(&mscAbortReason);
	CbusDrvMscFailReasonGet(&mscFailReason);

	if(CbusTransIntStatus)
	{
		// Check for failure interrupts.
		if(mscFailReason != 0)
		{
			mhldbg("CBUS:: ----mscFailReason:%x----\n",mscFailReason);
			mhldbg("CBUS:: ----mscAbortReason:%x----\n",mscAbortReason);

			if(CbusDrvNackFromPeerGet())
			{
				mhldbg("NACK received from peer!!! \n");
				pMidCbus->chState.sendNextWaitTime = CBUS_NACK_WAIT_TIME;
				//responder nack, retry this command
				pMidCbus->chState.state = CBUS_IDLE;
				pMidCbus->chState.request[CH_ACTIVE_INDEX].reqStatus = CBUS_REQ_PENDING;
				result = ERROR_NACK_FROM_PEER;
			}
			else if(mscFailReason != 0)
			{
				//send fail, skip this command
				pMidCbus->chState.state = CBUS_IDLE;
				pMidCbus->chState.request[CH_ACTIVE_INDEX].reqStatus = CBUS_REQ_IDLE;

				if(CbusDrvAbortFromPeerGet())
				{
					//responder abort
					pMidCbus->chState.sendNextWaitTime = CBUS_ABORT_WAIT_TIME;
					mhldbg("ABORT received from peer!!! \n");
					result = ERROR_ABORT_FROM_PEER;
				}
				else if(CbusDrvIneffectCodeFromPeerGet())
				{
					//responder ineffect code
					mhldbg("INEFFECT CODE received from peer!!! \n");
					result = ERROR_INEFFECT_CODE_FROM_PEER;
				}
				else
				{
					mhldbg("MSC other fail 0x%x received from peer!!! \n", mscFailReason);
					result = ERROR_WRITE_FAILED;
				}
			}


			if(CbusTransIntStatus & wrt_stat_intr)
			{
				mhldbg("CBUS:: ----wrt_stat Fail----\n");
			}

			if(CbusTransIntStatus & red_devc_intr)
			{
				mhldbg("CBUS:: ----red_devc Fail----\n");
			}

			if(CbusTransIntStatus & get_state_intr)
			{
				mhldbg("CBUS:: ----get_state Fail----\n");
			}

			if(CbusTransIntStatus & get_ven_id_intr)
			{
				mhldbg("CBUS:: ----get_ven_id Fail----\n");
			}

			if(CbusTransIntStatus & get_src1_err_intr)
			{
				mhldbg("CBUS:: ----get_src1_err Fail----\n");
			}

			if(CbusTransIntStatus & get_ddc_err_intr)
			{
				mhldbg("CBUS:: ----get_ddc_err Fail----\n");
			}

			if(CbusTransIntStatus & get_msc_err_intr)
			{
				mhldbg("CBUS:: ----get_msc_err Fail----\n");
			}

			if(CbusTransIntStatus & get_src3_err_intr)
			{
				mhldbg("CBUS:: ----get_src3_err Fail----\n");
			}

			if(CbusTransIntStatus & wrt_burst_intr)
			{
				mhldbg("CBUS:: ----wrt_burst Fail----\n");
			}

			if(CbusTransIntStatus & set_hpd_intr)
			{
				mhldbg("CBUS:: ----set_hpd Fail----\n");
			}

			if(CbusTransIntStatus & clr_hpd_intr)
			{
				mhldbg("CBUS:: ----clr_hpd Fail----\n");
			}

			if(CbusTransIntStatus & rap_act_ack_intr)
			{
				mhldbg("CBUS:: ----rap_act_ack Fail----\n");
			}

			//NACK packet of MSC_MSG back from respender, wait T_NACK_RETRY_NEXT = 1000ms
			if(CbusTransIntStatus & rcp_cmd_intr)
			{
				mhldbg("CBUS:: ----rcp_cmd Fail----\n");
			}
			if(CbusTransIntStatus & ucp_cmd_intr)
			{
				mhldbg("CBUS:: ----ucp_cmd Fail----\n");
			}
			if(CbusTransIntStatus & rap_cmd_intr)
			{
				mhldbg("CBUS:: ----rap_cmd Fail----\n");
			}

		}
		else
		{
			pMidCbus->chState.state = CBUS_IDLE;
			pMidCbus->chState.request[CH_ACTIVE_INDEX].reqStatus = CBUS_REQ_IDLE;
		}

		if(pMidCbus->chState.request[CH_ACTIVE_INDEX].reqStatus == CBUS_REQ_IDLE)
			CH_ACTIVE_INDEX = CH_NEXT_INDEX;	//next index


		if(ddcAbortReason != 0)
		{
			mhldbg("CBUS:: ----ddcAbortReason:%x----\n",ddcAbortReason);
		}
	}
	return(result);
}

//------------------------------------------------------------------------------
// Function:    CbusMidCheckInterruptStatus
// Description: If any interrupts on the specified channel are set, process them.
// Parameters:
// Returns:     SUCCESS or CBUS_SW_ERR_e error code.
//------------------------------------------------------------------------------
BOOL HAVE_MHL_ADOPTER_ID=FALSE;

static CBUS_SW_ERR_e CbusMidCheckInterruptStatus(void)
{
	UINT32 CbusTransIntStatus, CbusLinkIntStatus, result;
	UINT8 bData1, bData2;
	UINT16 wAdopterId;
	/* Read CBUS interrupt status.  */

	CbusDrvInterruptStatusGet(&CbusTransIntStatus, &CbusLinkIntStatus);

	/* Check for interrupts.  */
	result = CBUS_SUCCESS;

	if(CbusTransIntStatus != 0)
	{
		//CbusDrvWriteCommand's intr
		if((CbusTransIntStatus & wrt_stat_intr)||(CbusTransIntStatus & red_devc_intr)||(CbusTransIntStatus & get_state_intr)||(CbusTransIntStatus & get_ven_id_intr)||
		(CbusTransIntStatus & get_src1_err_intr)||(CbusTransIntStatus & get_ddc_err_intr)||(CbusTransIntStatus & get_msc_err_intr)||(CbusTransIntStatus & get_src3_err_intr)||(CbusTransIntStatus & wrt_burst_intr)||
		(CbusTransIntStatus & rcp_cmd_intr)||(CbusTransIntStatus & rap_cmd_intr)||(CbusTransIntStatus & ucp_cmd_intr)||(CbusTransIntStatus & rap_act_ack_intr)||
		(CbusTransIntStatus & set_hpd_intr)||(CbusTransIntStatus & clr_hpd_intr))
		{
			/* A previous MSC sub-command has been acknowledged by the responder.   */
			/* Does not include MSC MSG commands.*/
			mhldbg("CBUS:: Transfer Done \n");
			/* Check for failure interrupts.    */
			result = CbusMidProcessFailureInterrupts(CbusTransIntStatus);

			//mhldbg("CBUS:: Transfer Done - Data returned: %02X %02X\n", *pData, *pData1);
		}

		if(CbusDrvWrtStateAckInfoGet(&bData1, &bData2) == TRUE)
		{
			if((bData1 == 0x31) && ((bData2 & 0x08) != 0))
			{
				pMidCbus->chState.sinkPathEn = TRUE;
			}
			else if((bData1 == 0x20) && ((bData2 & 0x02) != 0))
			{
				pMidCbus->chState.sinkDscrChgAck = TRUE;
			}
		}


		if(CbusTransIntStatus & rcp_cmd_intr)
		{
#ifdef MHL_ONLY_ONE_RCP_IN_QUEUE
			if(pMidCbus->chState.SrcNotSprtRcpRelease == TRUE)	//if source does not support RCP release command, there is one RCP command in queue
			{
				if(pMidCbus->chState.request[CH_ACTIVE_INDEX].reqStatus == CBUS_REQ_IDLE)	//RCP command done, needn't retry
				{
					pMidCbus->chState.existRcpInQueue = FALSE;
				}
			}
			else //if source supports RCP release command, there is two RCP command in queue
			{
				if((pMidCbus->chState.request[CH_ACTIVE_INDEX].reqStatus == CBUS_REQ_IDLE) && (pMidCbus->chState.request[CH_ACTIVE_INDEX].msgData[1] & 0x80) == 0x80)	//RCP command done, needn't retry
				{
					pMidCbus->chState.existRcpInQueue = FALSE;
				}
			}
#endif
			//source does not support RCP release command
			if((result == ERROR_INEFFECT_CODE_FROM_PEER) &&
				(pMidCbus->chState.request[CH_ACTIVE_INDEX].command == MHL_MSC_MSG) &&
				(pMidCbus->chState.request[CH_ACTIVE_INDEX].msgData[0] == MHL_MSC_MSG_RCP) &&
				((pMidCbus->chState.request[CH_ACTIVE_INDEX].msgData[1] & 0x80) == 0x80))
			{
				mhldbg("Source does not support RCP release command!!! \n");
				pMidCbus->chState.SrcNotSprtRcpRelease = TRUE;
			}
		}


		if(CbusTransIntStatus & req_3d_intr)
		{
			pMidCbus->chState.srcReq3D = TRUE;
			CbusMidSend3DVideoSupportList(TRUE);
		}

		if(CbusTransIntStatus & req_wrt_intr)
		{
			// request received from peer to write into scratchpad
			if(CbusDrvReqWrtGet())
			{
				mhldbg("\n\ngranting peer's request to write scratchpad!!\n");
				CbusMidGrtWrt();
			}
		}

		if(CbusTransIntStatus & grt_wrt_intr)
		{
			// request to write into peer's scratchpad is granted
			if(CbusDrvGrtWrtGet())
			{
				mhldbg("peer sent grtWrt!!\n");
				pMidCbus->chState.srcGrtWrt = TRUE;
			}
		}

		if(CbusTransIntStatus & clr_hpd_intr)
		{
			CbusMidSendCommand(MHL_SET_HPD);
		}

		if(CbusTransIntStatus & set_hpd_intr)
		{
			pMidCbus->chState.setHPD = TRUE;
		}

		if(CbusTransIntStatus & red_devc_intr)
		{
			CbusDrvDevCapGet(&bData1, &bData2);
			pMidCbus->chState.stSrcDevCap.bDevCap[bData1] = bData2;


			if(bData1 == bGetDevCapOffsetArray[DEV_CAP_OFFSET_ARRAY_SIZE-1])	//fetch read_device_capability done
			{
				pMidCbus->chState.stSrcDevCap.fDevCapReady = TRUE;
				wAdopterId = pMidCbus->chState.stSrcDevCap.wAdopterId;
				noticekmf(KMF2UMF_EVID_HDMI, KMF2UMF_EVTYPE_HDMI_MHL_ADOPTER_ID, (UINT8 *)&wAdopterId, 2);
				//print device capability
				mhldbg("[%s] source dev_cap: MHL_VER: 0x%x Dev_type:0x%x Adopter_ID:0x%x\n  \tsupport RCP:%d, RAP:%d SP:%d UCP_Send:%d UCP_RECV:%d\n  \tDevice_ID:0x%x SP_Size:%d INT_size:%d STAT_Size:%d\n",
					__FUNCTION__, pMidCbus->chState.stSrcDevCap.bMhlVersion, pMidCbus->chState.stSrcDevCap.bDevType, pMidCbus->chState.stSrcDevCap.wAdopterId,
					pMidCbus->chState.stSrcDevCap.bRcpSupport, pMidCbus->chState.stSrcDevCap.bRapSupport, pMidCbus->chState.stSrcDevCap.bSpSupport, pMidCbus->chState.stSrcDevCap.bUcpSendSupport, pMidCbus->chState.stSrcDevCap.bUcpRecvSupport,
					pMidCbus->chState.stSrcDevCap.wDeviceId, pMidCbus->chState.stSrcDevCap.bScratchpadSize, pMidCbus->chState.stSrcDevCap.bIntSize, pMidCbus->chState.stSrcDevCap.bStatSize);
				/* SAMSUNG S2, Note3, Xiaomi do not support RCP release */
				if((pMidCbus->chState.stSrcDevCap.wAdopterId == ADOPTER_ID_SAMSUNG) || (pMidCbus->chState.stSrcDevCap.wAdopterId == ADOPTER_ID_SIMPLAY))
				{
					pMidCbus->chState.SrcNotSprtRcpRelease = TRUE;
				}

 				if((pMidCbus->chState.stSrcDevCap.wAdopterId == ADOPTER_ID_SIMPLAY) && (pMidCbus->chState.stSrcDevCap.wDeviceId == DEVICE_ID_SIMPLAY))
				{
					mhldbg("Set MHL_CTS = TRUE !!\n");
					HDMI_MHL_CTS(TRUE);
				}
				else
				{
					mhldbg("Set MHL_CTS = FALSE !!\n");
					HDMI_MHL_CTS(FALSE);
				}

 				if(pMidCbus->chState.stSrcDevCap.wAdopterId == 0x00 )
				{
					mhldbg("MHL ADOPTER_ID == 0x00 !!\n");
					HAVE_MHL_ADOPTER_ID = FALSE;
				}
				else
				{
					HAVE_MHL_ADOPTER_ID = TRUE;
				}
			}

		}

		//Peer's Device Capability ready
		if(CbusTransIntStatus & connected_rdy_intr)
		{
			CbusMidSendCommand(MHL_SET_HPD);
		}

	}

	if(CbusLinkIntStatus != 0)
	{
		if((CbusLinkIntStatus & connt_intr)||(CbusLinkIntStatus & attach_intr)||(CbusLinkIntStatus & discv_intr)||(CbusLinkIntStatus & detach_intr))//[2]HDMIRX_CBUS_connt_int__p Nedd check ??
		{
			BOOL Connected;
			/* The connection change interrupt has been received.   */

			mhldbg("CBUS:: ----Connection Change----\n");

			// Update component bus status for this channel.
			CbusDrvConnectedGet(&Connected);

			pMidCbus->chState.connected = Connected;
			//printk("[MD_INT] pMidCbus->chState.connected = %d\n", pMidCbus->chState.connected);
			if((CbusLinkIntStatus & discv_intr))
			{
				pMidCbus->chState.sinkPathEn = FALSE;
				pMidCbus->chState.setHPD =FALSE;
				pMidCbus->chState.SrcNotSprtRcpRelease = FALSE;
				HDMI_RegisterWrite(HDMIRX_CBUS_r_reset_reg, 1);
				HDMI_RegisterWrite(HDMIRX_CBUS_r_reset_reg, 0);
 				CbusMidResetToIdle();
#ifdef CONFIG_HDMI_MHL_PORT
				if(DrvHDMIPortSelectBitsGet()==CONFIG_HDMI_MHL_PORT)
				{
 					DRV_HDMI_SW_HDCP_RSTN();//After plug in HTC EVO then plug in XIAOMI display NG
					CbusMidSendCommand(MHL_CLR_HPD);//For Samsung 9100 display NG
					//CbusMidSendCommand(MHL_SET_HPD);
				}
				else
				{
					CbusMidSendCommand(MHL_CLR_HPD);
				}
#else
				// Send MHL_SET_HPD command(same as heartbeat)
				CbusMidSendCommand(MHL_CLR_HPD);//For Samsung 9100 display NG
				CbusMidSendCommand(MHL_SET_HPD);
#endif
			}

			// If a disconnect, reset the channel write request state machine
			if(pMidCbus->chState.connected == FALSE)
			{
				//set the cbus to idle
				CbusMidResetToIdle();
			}
		}
	}



	CbusDrvInterruptStatusSet(0, 0);//Clear
	return(result);
}

//------------------------------------------------------------------------------
// Function:    CbusMidGetDevCapReadyBit
// Description: see if dev cap ready msg has been sent or not
// Parameters:  channel to check
// Returns:     TRUE    - success
//              FALSE   - failure
//------------------------------------------------------------------------------

BOOL CbusMidGetDevCapReadyBit(void)
{
	return(pMidCbus->chState.dev_cap_regs_ready_bit);
}

//------------------------------------------------------------------------------
// Function:    CbusMidSetDevCapReadyBit
// Description: set the devCapReady bit
// Parameters:  channel to check, value to set
// Returns:     void
//------------------------------------------------------------------------------

void CbusMidSetDevCapReadyBit(BOOL value)
{
	pMidCbus->chState.dev_cap_regs_ready_bit = value;
}

//------------------------------------------------------------------------------
// Function:    CbusMidSendDcapRdyMsg
// Description: Send a msg to peer informing the devive capability registers are
//				ready to be read.
// Parameters:  channel to check
// Returns:     TRUE    - success
//              FALSE   - failure
//------------------------------------------------------------------------------

BOOL CbusMidSendDcapRdyMsg(void)
{
	BOOL result = TRUE;

	if(CbusMidChannelConnected()&&(pMidCbus->chState.setHPD==TRUE))
	{
		mhldbg("CbusMidSendDcapRdyMsg() Called!!\n");
		//send a msg to peer that the device capability registers are ready to be read.
		//set DCAP_RDY bit
		CbusMidSendDcapRdy();

		//set DCAP_CHG bit
		CbusMidSendDcapChange();
		CbusMidSetDevCapReadyBit(TRUE);

		// set path_en bit too
		result = CbusMidPathEnable();
	}

	return result;
}

//------------------------------------------------------------------------------
// Function:    CbusMidSendWriteBurst
// Description: sends MHL write burst cmd
// Parameters:
//------------------------------------------------------------------------------
BOOL CbusMidSendWriteBurst(UINT8 startOffset, UINT8 length, UINT8* pMsgData)
{
	cbus_req_t req;
	INT32	i;

	req.command = MHL_WRITE_BURST;
	req.offsetData = startOffset;
	req.length = length;

	// write different values in different registers
	for(i = 0; i < length; i++)
	{
		req.msgData[i] = pMsgData[i];
	}

	if(!(CbusMidInsertCmdToQueue(&req)))
	{
		printk("[MHL]Couldn't send Write Burst to peer\n");
		return FALSE;
	}
	return TRUE;
}

//------------------------------------------------------------------------------
// Function:    CbusMidSendCommand
// Description: sends general MHL commands
// Parameters:
//------------------------------------------------------------------------------
BOOL CbusMidSendCommand(UINT8 cmd)
{
	cbus_req_t req;

	req.command = cmd;

	if(!(CbusMidInsertCmdToQueue(&req)))
	{
		printk("[MHL]Couldn't send cmd: %02X to peer\n", cmd);
		return FALSE;
	}
	return TRUE;
}

//------------------------------------------------------------------------------
// Function:    CbusMidSetInt
// Description: write peer's status registers
//				regOffset - peer's register offset
//				regBit - bit to be set
//------------------------------------------------------------------------------
BOOL CbusMidSetInt(UINT8 regOffset, UINT8 regBit)
{
	cbus_req_t req;

	req.command = MHL_SET_INT;
	req.offsetData = regOffset;
	req.msgData[0] = regBit;

	if(!(CbusMidInsertCmdToQueue(&req)))
	{
		printk("[MHL]Couldn't send MHL_SET_INT to peer\n");
		return FALSE;
	}
	return TRUE;
}

//------------------------------------------------------------------------------
// Function:    EdidChange
// Description: set edid_chg interrupt
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//------------------------------------------------------------------------------
BOOL CbusMidEdidChange(void)
{
	return(CbusMidSetInt(0x01, BIT1));
}

//------------------------------------------------------------------------------
// Function:    DcapChange
// Description:
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//------------------------------------------------------------------------------
BOOL CbusMidSendDcapChange(void)
{
	return(CbusMidSetInt(0x00, BIT0));
}

//------------------------------------------------------------------------------
// Function:    CbusDscrChange
// Description:
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//------------------------------------------------------------------------------
BOOL CbusMidSendDscrChange(void)
{
	return(CbusMidSetInt(0x00, BIT1));
}

//------------------------------------------------------------------------------
// Function:    CbusMidReqWrt
// Description:
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//------------------------------------------------------------------------------
BOOL CbusMidReqWrt(void)
{
	return(CbusMidSetInt(0x00, BIT2));
}

//------------------------------------------------------------------------------
// Function:    CbusMidGrtWrt
// Description:
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//------------------------------------------------------------------------------
BOOL CbusMidGrtWrt(void)
{
	return(CbusMidSetInt(0x00, BIT3));
}

//------------------------------------------------------------------------------
// Function:    CbusMidWriteStatus
// Description: write peer's status registers
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//				regOffset - peer's register offset
//				value - value to be written
//------------------------------------------------------------------------------
BOOL CbusMidWriteStatus(UINT8 regOffset, UINT8 value)
{
	cbus_req_t req;

	req.command = MHL_WRITE_STAT;
	req.offsetData = regOffset;
	req.msgData[0] = value;

	if(!(CbusMidInsertCmdToQueue(&req)))
	{
		printk("[MHL]Couldn't send MHL_WRITE_STAT to peer\n");
		return FALSE;
	}

	return TRUE;
}

//------------------------------------------------------------------------------
// Function:    CbusMidPathEnable
// Description: Check if the channel is an active channel
// Parameters:  port - current active port
//------------------------------------------------------------------------------
BOOL CbusMidPathEnable(void)
{
	mhldbg("[%s]\n", __FUNCTION__);

	#ifdef CONFIG_HDMI_MHL_PORT
	if(DrvHDMIPortSelectBitsGet()==CONFIG_HDMI_MHL_PORT)
	{
		CbusMidWriteStatus(0x01, 0);//Disable PATH_EN bit on peer's appropriate status register(offset 0x31)
		// enable PATH_EN bit on peer's appropriate status register(offset 0x31)
		mhldbg("PathEnable:: Setting bit 3 to peer's status register.\n");
		pMidCbus->isPrevPortMHL = TRUE;
		#if 0 //Need marked for MHL CTS 4.3.23.2
		if(CONFIG_HDMI_MHL_PORT==0)
		{
			HDMI_RegisterWrite(HDMIRX_HDMIP0_Rx_Sense_external, 1);
			HDMI_RegisterWrite(HDMIRX_HDMIP0_Rx_Sense_mux, 1);
		}
		else if(CONFIG_HDMI_MHL_PORT==1)
		{
			HDMI_RegisterWrite(HDMIRX_HDMIP1_Rx_Sense_external, 1);
			HDMI_RegisterWrite(HDMIRX_HDMIP1_Rx_Sense_mux, 1);
		}
		#endif
		return(CbusMidWriteStatus(0x01, BIT3));
	}
	else
	{
		if(pMidCbus->isPrevPortMHL)
		{
			// disable PATH_EN bit on peer's appropriate status register(offset 0x31)
			mhldbg("PathEnable:: Clearing bit 3 to peer's status register.\n");
			pMidCbus->isPrevPortMHL = FALSE;
			return(CbusMidWriteStatus(0x01, 0));
		}
	}
	#endif
	return(TRUE);
}


//------------------------------------------------------------------------------
// Function:    CbusMidReadDevCap
// Description: read peer's status registers
// Parameters: 	regOffset - peer's register offset
//------------------------------------------------------------------------------
BOOL CbusMidReadDevCap(UINT8 regOffset)
{
	cbus_req_t req;

	req.command = MHL_READ_DEVCAP;
	req.offsetData = regOffset;

	if(!(CbusMidInsertCmdToQueue(&req)))
	{
		printk("[MHL]Couldn't send MHL_READ_DEVCAP to peer\n");
		return FALSE;
	}

	return TRUE;
}

//------------------------------------------------------------------------------
// Function:    CbusMidSendDcapRdy
// Description:
// Parameters:  channel - CBUS channel to check, must be in range, NOT 0xFF
//------------------------------------------------------------------------------
BOOL CbusMidSendDcapRdy(void)
{
	return(CbusMidWriteStatus(0x00, BIT0));
}


//------------------------------------------------------------------------------
// Function:    CbusMidSendPathEn_RcvdAck
// Description: check if PATH_EN msg has been sent and received ACK or not
// Parameters:  channel to check
// Returns:     TRUE    - success
//              FALSE   - failure
//------------------------------------------------------------------------------

BOOL CbusMidSendPathEn_RcvdAck(void)
{
	return(pMidCbus->chState.sinkPathEn);
}

//------------------------------------------------------------------------------
// Function:    CbusMidGet_HPD_Status
// Description: check if Set HPD msg has been sent  or not
// Returns:     TRUE    - success
//              FALSE   - failure
//------------------------------------------------------------------------------

BOOL CbusMidGet_HPD_Status(void)
{
	return(pMidCbus->chState.setHPD );
}


//------------------------------------------------------------------------------
// Function:    CbusMidSend3DVideoSupportList
// Description: sends 3D Support list by Write Burst
// Parameters:
//------------------------------------------------------------------------------
BOOL CbusMidSend3DVideoSupportList(BOOL fReset)
{
	static CBUS_3D_FSM_STATE_e eSend3dListState = CBUS_3D_FSM_FINISHED;
#ifdef CONFIG_SUPPORT_3D_EN
	#define CBUS_3DLIST_NUM 4
	static UINT8 pb3DList[CBUS_3DLIST_NUM][MHL_MAX_BUFFER_SIZE] = {{0x00, 0x11, 0xEB, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},		//DTD_3D
													{0x00, 0x10, 0xD3, 0x0f, 0x01, 0x05, 0x00, 0x04, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00},		//VIC_3D
													{0x00, 0x10, 0xD6, 0x0f, 0x02, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03},		//VIC_3D
													{0x00, 0x10, 0xD4, 0x0f, 0x03, 0x05, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};	//VIC_3D
#else
	#define CBUS_3DLIST_NUM 2
	static UINT8 pb3DList[CBUS_3DLIST_NUM][MHL_MAX_BUFFER_SIZE] = {{0x00, 0x11, 0xEE, 0x0, 0x1, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},	//DTD_3D null
											{0x00, 0x10, 0xEF, 0x0, 0x1, 0x0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};	//VIC_3D null
#endif

	static UINT8 b3DListIndex = 0, bTimeout_cnt = 0, bTimeout_target =20;
	if(eSend3dListState != CBUS_3D_FSM_FINISHED)
	{
		mhldbg("%s state:%d\n", __FUNCTION__, eSend3dListState);
	}

	if(pMidCbus->chState.srcReq3D == FALSE)
		return TRUE;

	if(fReset == TRUE)	//new 3d_intr happened, reset FSM
	{
		eSend3dListState = CBUS_3D_FSM_IDLE;
		b3DListIndex = 0;
	}
	switch(eSend3dListState)
	{
		case CBUS_3D_FSM_IDLE:
			if(pMidCbus->chState.srcReq3D == TRUE)
				eSend3dListState = CBUS_3D_FSM_SEND_REQ_WRT;
			break;
		case CBUS_3D_FSM_SEND_REQ_WRT:
				if(!CbusMidReqWrt())	//send REQ_WRT to request BURST_WRITE
				{
					mhldbg("Couldn't send REQ_WRT list to peer\n");
					return FALSE;
				}
				eSend3dListState = CBUS_3D_FSM_WAIT_GRT_WRT;
			break;
		//case CBUS_3D_FSM_WAIT_REQ_WRT_ACK:
		case CBUS_3D_FSM_WAIT_GRT_WRT:
				if(pMidCbus->chState.srcGrtWrt == TRUE)
				{
					pMidCbus->chState.srcGrtWrt = FALSE;
					eSend3dListState = CBUS_3D_FSM_SEND_BURST_WRT;
				}
			break;
		case CBUS_3D_FSM_SEND_BURST_WRT:
			if(!CbusMidSendWriteBurst(0, MHL_MAX_BUFFER_SIZE, pb3DList[b3DListIndex]))
			{
				mhldbg("Couldn't send 3D[%d] list to peer\n", b3DListIndex);
				return FALSE;
			}
			eSend3dListState = CBUS_3D_FSM_WAIT_BURST_WRT_ACK;
			bTimeout_cnt =0;
			break;
		case CBUS_3D_FSM_WAIT_BURST_WRT_ACK:
			if(CbusDrvWrtBurstAckGet() == TRUE)
				eSend3dListState = CBUS_3D_FSM_SEND_DSCR_CHG;
			else
			{
				bTimeout_cnt++;
				if(bTimeout_cnt == bTimeout_target)
					eSend3dListState = CBUS_3D_FSM_SEND_BURST_WRT;
			}
			break;
		case CBUS_3D_FSM_SEND_DSCR_CHG:
			if(!CbusMidSendDscrChange())
			{
				mhldbg("Couldn't send DSCR_CHG list to peer\n");
				return FALSE;
			}
			eSend3dListState = CBUS_3D_FSM_WAIT_DSCR_CHG_ACK;
			break;
		case CBUS_3D_FSM_WAIT_DSCR_CHG_ACK:
			if(pMidCbus->chState.sinkDscrChgAck == TRUE)
			{
				b3DListIndex++;
				if(b3DListIndex < CBUS_3DLIST_NUM)
				{
					eSend3dListState = CBUS_3D_FSM_SEND_REQ_WRT;
				}
				else
				{
					pMidCbus->chState.srcReq3D = FALSE;
					eSend3dListState = CBUS_3D_FSM_FINISHED;
				}
				pMidCbus->chState.sinkDscrChgAck = FALSE;
			}
			break;
		case CBUS_3D_FSM_FINISHED:
		default:
			break;
	}

	return TRUE;
}


//------------------------------------------------------------------------------
// Function:    CbusMidGetSrcDevCap
// Description: get interest device capabilityies of source
// Parameters:  fReset - reset the flow of fetching Device Capability
// Returns:     TRUE    - success
//              FALSE   - failure
//------------------------------------------------------------------------------

BOOL CbusMidGetSrcDevCap(BOOL fReset)
{
	static UINT8 bGetIndex = 0xff;


	if(fReset == TRUE)
	{
		bGetIndex = 0;
		pMidCbus->chState.stSrcDevCap.fDevCapReady = FALSE;
	}

	if((bGetIndex >= DEV_CAP_OFFSET_ARRAY_SIZE) || (pMidCbus->chState.dev_cap_regs_ready_bit == FALSE))
		return TRUE;
	else
	{
		if(CbusMidReadDevCap(bGetDevCapOffsetArray[bGetIndex]) == TRUE)
		{
			//mhldbg("[%s] Offset 0x%x\n", __FUNCTION__, bGetDevCapOffsetArray[bGetIndex]);
			bGetIndex++;
		}
		else
		{
			mhldbg("[%s] Offset 0x%x fail\n", __FUNCTION__, bGetDevCapOffsetArray[bGetIndex]);
			return FALSE;
		}
	}

	return TRUE;
}




// This is to check all the Timers
BOOL CbusMidIsTimeout(void)
{
	UINT32 tNow = HDMI_GetSysTime();

	if((tNow - pMidCbus->chState.lastSendTime) >=  pMidCbus->chState.sendNextWaitTime)
	{
		//mhldbg("[%s] timeout!\n", __FUNCTION__);
		return TRUE;
	}
	else
	{
		mhldbg("[%s] wait timeout!now:%d lastSend:%d wait:%d\n", __FUNCTION__, tNow, pMidCbus->chState.lastSendTime,  pMidCbus->chState.sendNextWaitTime);
		return FALSE;
	}

}

//------------------------------------------------------------------------------
// Function:    CbusMidHandler
// Description: Check the state of any current CBUS message on specified channel.
//              Handle responses or failures and send any pending message if
//              channel is IDLE.
// Returns:     SUCCESS or one of CBUS_SW_ERR_e
//------------------------------------------------------------------------------

CBUS_SW_ERR_e CbusMidHandler(void)
{
	CBUS_SW_ERR_e result;

	/* Check the channel interrupt status to see if anybody is  */
	/* talking to us. If they are, talk back.                   */

	result = CbusMidCheckInterruptStatus();

	if(result != CBUS_SUCCESS)
	{
		return (result);
	}
	CbusMidSend3DVideoSupportList(FALSE);


	// check timer for send next command
	if(CbusMidIsTimeout() == FALSE)
		return (result);

	/* check channel to send next command  */
	if(pMidCbus->chState.state == CBUS_IDLE)
		CbusMidSendNextInQueue();
	else
		 result = CBUS_SUCCESS;

	return (result);
}

//------------------------------------------------------------------------------
// Function:    CbusMidInitialize
// Description: Initialize the CBUS.
//------------------------------------------------------------------------------

void CbusMidInitialize(void)
{
	mhldbg("[%s]\n", __FUNCTION__);
	memset(pMidCbus, 0, sizeof(CbusMidInstanceData_t));
}


//------------------------------------------------------------------------------
// Function:    DRV_MHL_SendRcpCmd
// Description: Receive RCP Command from APP.
// Returns:     None
//------------------------------------------------------------------------------
void DRV_MHL_SendRcpCmd(MHL_RCP_CMD_e eRcpCmd)
{

	mhldbg("[%s] 0x%x\n", __FUNCTION__, eRcpCmd);
	//if(pMidCbus->chState.stSrcDevCap.bRcpSupport == FALSE)
	//{
	//	mhldbg("this device does not support RCP\n");
	//	return;
	//}

#ifdef MHL_ONLY_ONE_RCP_IN_QUEUE
	if(pMidCbus->chState.existRcpInQueue == TRUE)
	{
		mhldbg("there is already one RCP in queue, skip this RCP 0x%x\n", eRcpCmd);
	}
	if(CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, eRcpCmd) == TRUE)			//key press
		pMidCbus->chState.existRcpInQueue = TRUE;
	if(pMidCbus->chState.SrcNotSprtRcpRelease == FALSE)
	{
		CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, 0x80 | eRcpCmd);	//key release
	}
#else
	CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, eRcpCmd);	//key press
	if(pMidCbus->chState.SrcNotSprtRcpRelease == FALSE)
	{
		CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, 0x80 | eRcpCmd);	//key release
	}
#endif

}


//------------------------------------------------------------------------------
// Function:    DRV_MHL_SendRcpPressAndHoldCmd
// Description: Receive Press And Hold RCP Command from APP.
// Returns:     None
//------------------------------------------------------------------------------
void DRV_MHL_SendRcpPressAndHoldCmd(MHL_RCP_CMD_e eRcpCmd ,BOOL fPress)
{

	mhldbg("[%s] 0x%x Press:%x\n", __FUNCTION__, eRcpCmd,fPress);
	//if(pMidCbus->chState.stSrcDevCap.bRcpSupport == FALSE)
	//{
	//	mhldbg("this device does not support RCP\n");
	//	return;
	//}

#ifdef MHL_ONLY_ONE_RCP_IN_QUEUE
	if(pMidCbus->chState.existRcpInQueue == TRUE)
	{
		mhldbg("there is already one RCP in queue, skip this RCP 0x%x\n", eRcpCmd);
	}
	if(fPress == TRUE)
	{
		if(CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, eRcpCmd) == TRUE)			//key press
			pMidCbus->chState.existRcpInQueue = TRUE;
	}
	else
	{
		CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, 0x80 | eRcpCmd);	//key release
	}
#else
	if(fPress == TRUE)
	{
		CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, eRcpCmd);	//key press
	}
	else
	{
		if(pMidCbus->chState.SrcNotSprtRcpRelease == FALSE)
		{
			CbusMidMscMsgSubCmdSend(MHL_MSC_MSG_RCP, 0x80 | eRcpCmd);	//key release
		}
	}
#endif

}


//------------------------------------------------------------------------------
// Function:    MHL_VbusCtrl
// Description: Turn on or off VBUS.
// Parameters:  vbusEn    - 1-Enable; 0 - Disable
// Returns:     TRUE
//------------------------------------------------------------------------------
BOOL MHL_VbusCtrl(BOOL vbusEn)
{
	BOOL success = TRUE;
	sysset_VbusEnable(vbusEn);
	return(success);
}

//------------------------------------------------------------------------------
// Function:    MHL_ADOPTER_ID_Check
// Description: check if device have MHL_ADOPTER_ID 
// Parameters:  
// Returns:     TRUE    - 
//              FALSE   -
//------------------------------------------------------------------------------

BOOL MHL_ADOPTER_ID_Check(void)
{
	return(HAVE_MHL_ADOPTER_ID);
}


//for debug
void CbusMidPrintChannelInfo(const UINT8 *bFunc, const UINT32 dLine)
{
	UINT8 bStr[100] = "";
    char bTemp[10] = "";
	UINT8 i=0,j=0;

	mhldbg("[%s] caller:%s %d\n", __FUNCTION__,bFunc, dLine);
	mhldbg("statusFlags:%d isPrevPortMHL:%d", pMidCbus->statusFlags, pMidCbus->isPrevPortMHL);
	mhldbg("\tconnected:%d state:%d activeIndex:%d dev_cap_regs_ready_bit:%d\n", pMidCbus->chState.connected, pMidCbus->chState.state, pMidCbus->chState.activeIndex, pMidCbus->chState.dev_cap_regs_ready_bit);
	mhldbg("\ttxReq3D:%d txGrtWrt:%d\n", pMidCbus->chState.srcReq3D, pMidCbus->chState.srcGrtWrt);
	for(i = 0; i< CBUS_MAX_COMMAND_QUEUE;i++)
	{
		mhldbg("req[%d] reqStatus:%d command:0x%x offsetData0x%x length:%d\n", i, pMidCbus->chState.request[i].reqStatus, pMidCbus->chState.request[i].command, pMidCbus->chState.request[i].offsetData, pMidCbus->chState.request[i].length);
		memset(bStr, 0, 100);
		for(j = 0; j< MHL_MAX_BUFFER_SIZE;j++)
        {
			sprintf(bTemp, "0x%x ", pMidCbus->chState.request[i].msgData[j]);
            strcat(bStr, bTemp);
        }
        mhldbg("msg: %s\n",bStr);

	}
}