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      1 /*
      2  * eventMbox.c
      3  *
      4  * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  *
     11  *  * Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  *  * Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in
     15  *    the documentation and/or other materials provided with the
     16  *    distribution.
     17  *  * Neither the name Texas Instruments nor the names of its
     18  *    contributors may be used to endorse or promote products derived
     19  *    from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 
     35 /** \file  eventMbox.c
     36  *  \brief Handle any event interrupt from the FW
     37  *
     38  *  \see
     39  */
     40 
     41 #define __FILE_ID__  FILE_ID_102
     42 #include "eventMbox_api.h"
     43 #include "TwIf.h"
     44 #include "osApi.h"
     45 #include "report.h"
     46 #include "CmdBld.h"
     47 #include "FwEvent_api.h"
     48 #include "TWDriver.h"
     49 #include "BusDrv.h"
     50 
     51 
     52 
     53 #define EVENT_MBOX_BUFFERS 2
     54 
     55 
     56 typedef enum
     57 {
     58     EVENT_MBOX_STATE_IDLE,
     59     EVENT_MBOX_STATE_READING
     60 } EEventMboxState;
     61 
     62 typedef struct {
     63 	void*		fCb;            /* Event Callback function */
     64 	TI_HANDLE	hCb;            /* Evant handle */
     65 	TI_UINT8*	pDataOffset;    /* Event Data Offset */
     66 	#ifdef TI_DBG
     67 	TI_UINT32	uCount;
     68 	#endif
     69 
     70 }TRegisteredEventCb;
     71 
     72 typedef struct
     73 {
     74     TI_UINT32           bitMask;/* Event bit mask */
     75     char*               str;    /* Event trace string */
     76     TI_UINT8            dataLen;/* Event data length */
     77 
     78 } TEventEntry;
     79 
     80 
     81 typedef struct
     82 {
     83 	TTxnStruct	tTxnReg;
     84 	TI_UINT32	iRegBuffer;
     85 
     86 } tTxnGenReg;
     87 
     88 
     89 typedef struct
     90 {
     91 	TTxnStruct		tEventMbox;
     92 	EventMailBox_t	iEventMboxBuf;
     93 
     94 } tTxnEventMbox;
     95 
     96 
     97 
     98 typedef struct
     99 {
    100 	TI_UINT32		   	EventMboxAddr[EVENT_MBOX_BUFFERS];  /* the Event Mbox addresses in the device */
    101 	TI_UINT8		   	ActiveMbox;                         /* The current active Mbox */
    102 	EEventMboxState		CurrentState;
    103     TRegisteredEventCb  CbTable[TWD_OWN_EVENT_MAX];         /* Callback table */
    104 
    105     /* Handles */
    106 	TI_HANDLE           hTwif;
    107     TI_HANDLE           hOs;
    108     TI_HANDLE           hReport;
    109     TI_HANDLE           hCmdBld;
    110 
    111 	/* HW params */
    112     /* use a struct to read or write register (4 byte size) from the bus */
    113 	tTxnGenReg			iTxnGenRegSize;
    114 
    115 	tTxnEventMbox		iTxnEventMbox;
    116 
    117 	#ifdef TI_DBG
    118 	TI_UINT32           uCompounEvCount;    /* Count the compound event */
    119 	TI_UINT32           uTotalEvCount;      /* Count total number of event sending in the compound */
    120 	#endif /* TI_DBG */
    121 
    122 	fnotify_t			fCb;
    123 	TI_HANDLE		   	hCb;
    124 
    125 }TEventMbox;
    126 
    127 
    128 /********************************************************************************/
    129 /*                      Internal functions prototypes.                          */
    130 /********************************************************************************/
    131 
    132 static void eventMbox_ConfigCbTable(TI_HANDLE hEventMbox);
    133 static void eventMbox_ReadAddrCb(TI_HANDLE hEventMbox, TI_HANDLE hTxn);
    134 static void eventMbox_DummyCb(TI_HANDLE hEventMbox);
    135 static void eventMbox_ReadCompleteCB(TI_HANDLE hEventMbox, TTxnStruct *pTxnStruct);
    136 
    137 
    138 static const TEventEntry eventTable [TWD_OWN_EVENT_MAX] =
    139 {
    140 /*==================================================================================
    141  *
    142  *                                    EVENT TABLE
    143  *
    144  *  Note that changes here should be reflected also in ETwdOwnEventId in TWDriver.h !!!
    145  *
    146  ===================================================================================
    147 | Id  |     Event Mask Bit                    |   Event String            | Length |
    148  ===================================================================================*/
    149 
    150 /* 0*/{ RSSI_SNR_TRIGGER_0_EVENT_ID,            "RSSI SNR TRIGGER 0 "     		, 1},
    151 /* 1*/{ RSSI_SNR_TRIGGER_1_EVENT_ID,            "RSSI SNR TRIGGER 1 "     		, 1},
    152 /* 2*/{ RSSI_SNR_TRIGGER_2_EVENT_ID,            "RSSI SNR TRIGGER 2 "     		, 1},
    153 /* 3*/{ RSSI_SNR_TRIGGER_3_EVENT_ID,            "RSSI SNR TRIGGER 3 "     		, 1},
    154 /* 4*/{ RSSI_SNR_TRIGGER_4_EVENT_ID,            "RSSI SNR TRIGGER 4 "     		, 1},
    155 /* 5*/{ RSSI_SNR_TRIGGER_5_EVENT_ID,            "RSSI SNR TRIGGER 5 "     		, 1},
    156 /* 6*/{ RSSI_SNR_TRIGGER_6_EVENT_ID,            "RSSI SNR TRIGGER 6 "     		, 1},
    157 /* 7*/{ RSSI_SNR_TRIGGER_7_EVENT_ID,            "RSSI SNR TRIGGER 7 "     		, 1},
    158 /* 8*/{ MEASUREMENT_START_EVENT_ID,             "MEASUREMENT START "      		, 0},
    159 /* 9*/{ MEASUREMENT_COMPLETE_EVENT_ID,          "BSS LOSE "               		, 0},
    160 /*10*/{ SCAN_COMPLETE_EVENT_ID ,                "SCAN CMPLT "             		, 8},
    161 /*11*/{ SCHEDULED_SCAN_COMPLETE_EVENT_ID,       "SPS SCAN CMPLT "         		, 3},
    162 /*12*/{ AP_DISCOVERY_COMPLETE_EVENT_ID,         "MAX TX RETRY "           		, 0},
    163 /*13*/{ PS_REPORT_EVENT_ID,                     "PS_REPORT "              		, 1},
    164 /*14*/{ PSPOLL_DELIVERY_FAILURE_EVENT_ID,       "PS-POLL DELIVERY FAILURE"		, 0},
    165 /*15*/{ DISCONNECT_EVENT_COMPLETE_ID,           "DISCONNECT COMPLETE "    		, 0},
    166 /*16*/{ JOIN_EVENT_COMPLETE_ID,                 "JOIN CMPLT "             		, 0},
    167 /*17*/{ CHANNEL_SWITCH_COMPLETE_EVENT_ID,       "SWITCH CHANNEL CMPLT "   		, 0},
    168 /*18*/{ BSS_LOSE_EVENT_ID,                      "BSS LOST "               		, 0},
    169 /*19*/{ REGAINED_BSS_EVENT_ID,                  "REGAINED BSS "           		, 0},
    170 /*20*/{ ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID,  "MAX TX RETRY "           		, 0},
    171 /*21*/{ BIT_21,									"RESERVED"				  		, 0},
    172 /*22*/{ SOFT_GEMINI_SENSE_EVENT_ID,             "SOFT GEMINI SENSE "      		, 1},
    173 /*23*/{ SOFT_GEMINI_PREDICTION_EVENT_ID,        "SOFT GEMINI PREDICTION " 		, 1},
    174 /*24*/{ SOFT_GEMINI_AVALANCHE_EVENT_ID,         "SOFT GEMINI AVALANCHE "  		, 0},
    175 /*25*/{ PLT_RX_CALIBRATION_COMPLETE_EVENT_ID,   "PLT RX CALIBR. COMPLETE "		, 0},
    176 /*26*/{ DBG_EVENT_ID,							"DBG_EVENT_ID "			  		, 16},
    177 /*27*/{ HEALTH_CHECK_REPLY_EVENT_ID,			"HEALTH_CHECK_REPLY_EVENT_ID"	, 0},
    178 /*28*/{ PERIODIC_SCAN_COMPLETE_EVENT_ID,        "PERIODIC SCAN COMPLETE " 		, 8},
    179 /*29*/{ PERIODIC_SCAN_REPORT_EVENT_ID,          "PERIODIC SCAN REPORT "   		, 8},
    180 /*30*/{ BA_SESSION_TEAR_DOWN_EVENT_ID,			"BA_SESSION_TEAR_DOWN_EVENT_ID"	, 0},
    181 /*31*/{ EVENT_MBOX_ALL_EVENT_ID,                "ALL EVENTS "             		, 0}
    182 };
    183 
    184 
    185 /*
    186  * \brief	Create the Bus Access mailbox object
    187  *
    188  * \param  hOs - OS Handle
    189  * \returnThe Created object
    190  *
    191  * \sa
    192  */
    193 
    194 TI_HANDLE eventMbox_Create(TI_HANDLE hOs)
    195 {
    196     TEventMbox *pEventMbox;
    197 	pEventMbox = (TEventMbox*)os_memoryAlloc(hOs,sizeof(TEventMbox));
    198     if (pEventMbox == NULL)
    199     {
    200         WLAN_OS_REPORT (("eventMbox_Create: Error creating EventMbox object\n"));
    201         return NULL;
    202     }
    203     os_memoryZero (hOs, pEventMbox, sizeof(TEventMbox));
    204     pEventMbox->hOs = hOs;
    205     pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsMask = EVENT_MBOX_ALL_EVENT_ID;
    206     return (TI_HANDLE)pEventMbox;
    207 }
    208 
    209 
    210 /*
    211  * \brief	Release all memory resource of EventMbox
    212  *
    213  * \param  hEventMbox  - Handle to EventMbox
    214  * \return none
    215  *
    216  * \par Description
    217  * This function should called after all interrupts was disabled.
    218  *
    219  * \sa
    220  */
    221 void eventMbox_Destroy(TI_HANDLE hEventMbox)
    222 {
    223     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    224 
    225     if (pEventMbox)
    226     {
    227         os_memoryFree (pEventMbox->hOs, pEventMbox, sizeof(TEventMbox));
    228     }
    229 }
    230 
    231 
    232 
    233 /*
    234  * \brief	Stop the EventMbox clear state and event vector
    235  *
    236  * \param  hEventMbox  - Handle to EventMbox
    237  * \return none
    238  *
    239  * \par Description
    240  * This function should called to stop the EventMb.
    241  * Do Not clear the mask Event could use us again when restart/recovery!!!!
    242  * \sa
    243  */
    244 void eventMbox_Stop(TI_HANDLE hEventMbox)
    245 {
    246 	TEventMbox* pEventMbox 									= (TEventMbox*)hEventMbox;
    247 	pEventMbox->ActiveMbox									= 0;
    248 	pEventMbox->CurrentState								= EVENT_MBOX_STATE_IDLE;
    249 	pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsVector	= 0;
    250 }
    251 
    252 
    253 
    254 /*
    255  * \brief	Configure the object
    256  *
    257  * \param  hEventMbox  - Handle to EventMbox
    258  * \param  hTwif	   - Handle to TWIF
    259  * \param  hReport	   - Handle to Report module
    260  * \param  hFwEvent    - Handle to FW Event module
    261  * \param  hCmdBld     - Handle to Command Build module
    262  * \return none
    263  *
    264  * \par Description
    265  * This function should called to configure the module.
    266  * \sa
    267  */
    268 
    269 void eventMbox_Config(TI_HANDLE hEventMbox,
    270                             TI_HANDLE hTwif,
    271                             TI_HANDLE hReport,
    272                             TI_HANDLE hFwEvent,
    273                             TI_HANDLE hCmdBld)
    274 {
    275     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    276 	pEventMbox->hTwif			= hTwif;
    277     pEventMbox->hReport = hReport;
    278     pEventMbox->hCmdBld = hCmdBld;
    279 	pEventMbox->ActiveMbox		= 0;
    280 	pEventMbox->CurrentState	= EVENT_MBOX_STATE_IDLE;
    281 #ifdef TI_DBG
    282 	pEventMbox->uCompounEvCount	= 0;
    283 	pEventMbox->uTotalEvCount	= 0;
    284 #endif
    285 	eventMbox_ConfigCbTable(pEventMbox);
    286 }
    287 
    288 
    289 
    290 /*
    291  * \brief	Initialization of callback table
    292  *
    293  * \param  hEventMbox  - Handle to EventMbox
    294  * \return none
    295  *
    296  * \par Description
    297  * This function is called to configure the CB table initialize the
    298  * CB functions and handle and set the Data offset.
    299  *
    300  * \sa
    301  */
    302 static void eventMbox_ConfigCbTable(TI_HANDLE hEventMbox)
    303 {
    304 	TEventMbox* pEventMbox;
    305 	TI_UINT8	EvID;
    306 
    307 	pEventMbox = (TEventMbox*)hEventMbox;
    308 
    309 	/* for all events set a dummy func and data offset */
    310 	for (EvID = 0; EvID < TWD_OWN_EVENT_MAX;EvID++)
    311 	{
    312 		pEventMbox->CbTable[EvID].pDataOffset = (TI_UINT8*)&pEventMbox->iTxnEventMbox.iEventMboxBuf;
    313 		pEventMbox->CbTable[EvID].fCb		  = (void*)eventMbox_DummyCb;
    314 		pEventMbox->CbTable[EvID].hCb		  = pEventMbox;
    315 	}
    316 	/* set the data offset for Events with data only */
    317 	for (EvID = 0;EvID < NUM_OF_RSSI_SNR_TRIGGERS;EvID++)
    318 	{
    319 		pEventMbox->CbTable[EvID].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t, RSSISNRTriggerMetric[EvID]);
    320 	}
    321 	pEventMbox->CbTable[TWD_DBG_EVENT                       ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t, dbgEventRep);
    322 	pEventMbox->CbTable[TWD_OWN_EVENT_SCAN_CMPLT            ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t,scanCompleteResults);
    323 	pEventMbox->CbTable[TWD_OWN_EVENT_SPS_SCAN_CMPLT        ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t,scheduledScanAttendedChannels);
    324     pEventMbox->CbTable[TWD_OWN_EVENT_PERIODIC_SCAN_COMPLETE].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t, scanCompleteResults);
    325     pEventMbox->CbTable[TWD_OWN_EVENT_PERIODIC_SCAN_REPORT  ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t, scanCompleteResults);
    326 	pEventMbox->CbTable[TWD_OWN_EVENT_SOFT_GEMINI_SENSE     ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t,softGeminiSenseInfo);
    327 	pEventMbox->CbTable[TWD_OWN_EVENT_SOFT_GEMINI_PREDIC    ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t,softGeminiProtectiveInfo);
    328 	pEventMbox->CbTable[TWD_OWN_EVENT_SWITCH_CHANNEL_CMPLT  ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t,channelSwitchStatus);
    329 	pEventMbox->CbTable[TWD_OWN_EVENT_PS_REPORT             ].pDataOffset += TI_FIELD_OFFSET (EventMailBox_t,psStatus);
    330 }
    331 
    332 
    333 
    334 static void eventMbox_DummyCb(TI_HANDLE hEventMbox)
    335 {
    336 	TEventMbox* pEventMbox = (TEventMbox*)hEventMbox;
    337 TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_DummyCb : Called for unregistered event");
    338 }
    339 
    340 
    341 /*
    342  * \brief	Read mailbox address
    343  *
    344  * \param  hEventMbox  - Handle to EventMbox
    345  * \param  fCb		   - CB function to return in Async mode
    346  * \param  hCb		   - CB Habdle
    347  * \return TXN_STATUS_COMPLETE, TXN_STATUS_PENDING, TXN_STATUS_ERROR
    348  *
    349  * \par Description
    350  * This function is called for initialize the Event MBOX addresses.
    351  * It issues a read transaction from the Twif with a CB.
    352  *
    353  * \sa
    354  */
    355 TI_STATUS eventMbox_InitMboxAddr(TI_HANDLE hEventMbox, fnotify_t fCb, TI_HANDLE hCb)
    356 {
    357 	TTxnStruct  *pTxn;
    358 	TEventMbox* pEventMbox;
    359 	ETxnStatus  rc;
    360 	pEventMbox = (TEventMbox*)hEventMbox;
    361 	pTxn = &pEventMbox->iTxnGenRegSize.tTxnReg;
    362 
    363 	/* Store the Callabck address of the modules that called us in case of Asynchronuous transaction that will complete later */
    364 	pEventMbox->fCb = fCb;
    365     pEventMbox->hCb = hCb;
    366 
    367 	/* Build the command TxnStruct */
    368     TXN_PARAM_SET(pTxn, TXN_LOW_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_READ, TXN_INC_ADDR)
    369 	/* Applying a CB in case of an async read */
    370     BUILD_TTxnStruct(pTxn, REG_EVENT_MAILBOX_PTR, &pEventMbox->iTxnGenRegSize.iRegBuffer, REGISTER_SIZE, eventMbox_ReadAddrCb, hEventMbox)
    371 	rc = twIf_Transact(pEventMbox->hTwif,pTxn);
    372 	if (rc == TXN_STATUS_COMPLETE)
    373 	{
    374 		pEventMbox->EventMboxAddr[0] = pEventMbox->iTxnGenRegSize.iRegBuffer;
    375 		pEventMbox->EventMboxAddr[1] = pEventMbox->EventMboxAddr[0] + sizeof(EventMailBox_t);
    376 TRACE3(pEventMbox->hReport, REPORT_SEVERITY_INIT , "eventMbox_ConfigHw: event A Address=0x%x, event B Address=0x%x, sizeof=%d\n", pEventMbox->EventMboxAddr[0], pEventMbox->EventMboxAddr[1], sizeof(EventMailBox_t));
    377 
    378 	}
    379 	return rc;
    380 }
    381 
    382 
    383 /*
    384  * \brief	Save the Event MBOX addresses
    385  *
    386  * \param  hEventMbox  - Handle to EventMbox
    387  * \param  hTxn		   - Handle to TTxnStruct
    388  * \return none
    389  *
    390  * \par Description
    391  * This function is called upon completion of thr read Event MBOX address register.
    392  * It save the addresses in EventMbox.
    393  *
    394  * \sa
    395  */
    396 static void eventMbox_ReadAddrCb(TI_HANDLE hEventMbox, TI_HANDLE hTxn)
    397 {
    398     TEventMbox* pEventMbox;
    399 
    400 	pEventMbox = (TEventMbox*)hEventMbox;
    401 
    402 	pEventMbox->EventMboxAddr[0] = pEventMbox->iTxnGenRegSize.iRegBuffer;
    403 	pEventMbox->EventMboxAddr[1] = pEventMbox->EventMboxAddr[0] + sizeof(EventMailBox_t);
    404 
    405     TRACE3(pEventMbox->hReport, REPORT_SEVERITY_INIT , "eventMbox_ConfigHw: event A Address=0x%x, event B Address=0x%x, sizeof=%d\n", pEventMbox->EventMboxAddr[0], pEventMbox->EventMboxAddr[1], sizeof(EventMailBox_t));
    406 
    407 	/* call back the module that called us before to read our self-address */
    408 	pEventMbox->fCb(pEventMbox->hCb,TI_OK);
    409 }
    410 
    411 
    412 /*
    413  * \brief	confige the Mask vector in FW
    414  *
    415  * \param  hEventMbox  - Handle to EventMbox
    416  * \return none
    417  *
    418  * \par Description
    419  * This function is called upon exit from init it will set the mask vector.
    420  * this function is mostly use for recovery
    421  * Note that at Init stage the FW is already configured to have all events masked but at Recovery stage
    422  * The driver whishes to just set back previous event mask configuration
    423  *
    424  * \sa
    425  */
    426 void eventMbox_InitComplete(TI_HANDLE hEventMbox)
    427 {
    428 
    429     TEventMbox* pEventMbox;
    430 	pEventMbox = (TEventMbox*)hEventMbox;
    431 
    432     TRACE1(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, "eventMbox_InitComplete: mask = 0x%x\n", pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsMask);
    433 
    434 	cmdBld_CfgEventMask(pEventMbox->hCmdBld,pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsMask,NULL,NULL);
    435 }
    436 
    437 
    438 
    439 /*
    440  * \brief	Register an event
    441  *
    442  * \param  hEventMbox  - Handle to EventMbox
    443  * \param  EvID - the event ID to register
    444  * \param  fCb - CB function of the registered event
    445  * \param  hCb - CB handle of the registered event
    446  * \return TI_OK,TI_NOK
    447  *
    448  * \par Description
    449  * This function is called from the user upon request to register for event.
    450  * an Event can only be register to one user.
    451  * This function doesn't change the mask vector in FW!!!
    452  *
    453  * \sa
    454  */
    455 TI_STATUS eventMbox_RegisterEvent(TI_HANDLE hEventMbox,TI_UINT32 EvID,void* fCb,TI_HANDLE hCb)
    456 {
    457     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    458     if (fCb == NULL || hCb == NULL)
    459     {
    460 TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_RegisterEvent : NULL parameters\n");
    461         return TI_NOK;
    462     }
    463     if (EvID >= TWD_OWN_EVENT_ALL)
    464     {
    465 TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_RegisterEvent : Event ID invalid\n");
    466 		return TI_NOK;
    467     }
    468 	pEventMbox->CbTable[EvID].fCb = fCb;
    469 	pEventMbox->CbTable[EvID].hCb = hCb;
    470 	return TI_OK;
    471 }
    472 
    473 
    474 
    475 
    476 /*
    477  * \brief	Replace event callback
    478  *
    479  * \param  hEventMbox  - Handle to EventMbox
    480  * \param  EvID - the event ID to register
    481  * \param  fNewCb - the new CB function of the registered event
    482  * \param  hNewCb - the new CB handle of the registered event
    483  * \param  pPrevCb - the old CB to save
    484  * \param  pPrevHndl - the old handle to save
    485  * \return TI_OK,TI_NOK
    486  *
    487  * \par Description
    488  * Replace event callback function by another one.
    489  *              Provide the previous CB to the caller.
    490  *
    491  * \sa
    492  */
    493 TI_STATUS eventMbox_ReplaceEvent (TI_HANDLE hEventMbox,
    494                                     TI_UINT32   EvID,
    495                                     void       *fNewCb,
    496                                     TI_HANDLE   hNewCb,
    497                                     void      **pPrevCb,
    498                                     TI_HANDLE  *pPrevHndl)
    499 {
    500     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    501     if (fNewCb == NULL || hNewCb == NULL)
    502     {
    503 TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR , "eventMbox_ReplaceEvent: NULL parameters\n");
    504         return TI_NOK;
    505     }
    506     if (EvID >= TWD_OWN_EVENT_ALL)
    507     {
    508 TRACE1(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_ReplaceEvent: invalid ID. ID is %d\n", EvID);
    509         return TI_NOK;
    510     }
    511 
    512 	/* Save the old CBs */
    513 	*pPrevCb   = pEventMbox->CbTable[EvID].fCb;
    514 	*pPrevHndl = pEventMbox->CbTable[EvID].hCb;
    515 
    516 	/* store the new CBs */
    517 	pEventMbox->CbTable[EvID].fCb = fNewCb;
    518 	pEventMbox->CbTable[EvID].hCb = hNewCb;
    519 
    520     TRACE0(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, "eventMbox_ReplaceEvent: EVENT  has registered\n");
    521 	return TI_OK;
    522 }
    523 
    524 
    525 /*
    526  * \brief	Un mask an event
    527  *
    528  * \param  hEventMbox  - Handle to EventMbox
    529  * \param  EvID - the event ID to un mask
    530  * \param  fCb - CB function
    531  * \param  hCb - CB handle
    532  * \return TI_COMPLETE,TI_PENDING,TI_ERROR
    533  *
    534  * \par Description
    535  * This function is called from the user upon request to un mask an event.
    536  * This function change the mask vector in FW but doesn't register for it in the driver and
    537  * doesn't set Cb function and Cb Handle in case of un mask event without registered for it an
    538  * error will be handling!!!
    539  *
    540  * \sa
    541  */
    542 TI_STATUS eventMbox_UnMaskEvent(TI_HANDLE hEventMbox,TI_UINT32 EvID,void* fCb,TI_HANDLE hCb)
    543 {
    544 	TI_UINT32*	pEventMask;
    545 	TI_STATUS	aStatus;
    546     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    547 	pEventMask = (TI_UINT32*)&pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsMask;
    548 
    549     if (EvID >= TWD_OWN_EVENT_ALL)
    550     {
    551 TRACE1(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_UnMaskEvent : Un mask an Invalid event = 0x%x\n",EvID);
    552 		return TXN_STATUS_ERROR;
    553     }
    554 TRACE0(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, "eventMbox_UnMaskEvent : EVENT  is unmasked\n");
    555 
    556 	*pEventMask &= ~eventTable[EvID].bitMask;
    557 
    558 	aStatus = cmdBld_CfgEventMask (pEventMbox->hCmdBld, *pEventMask, fCb, hCb);
    559 	return aStatus;
    560 }
    561 
    562 
    563 /*
    564  * \brief	mask an event
    565  *
    566  * \param  hEventMbox  - Handle to EventMbox
    567  * \param  EvID - the event ID to un mask
    568  * \param  fCb - CB function
    569  * \param  hCb - CB handle
    570  * \return TI_COMPLETE,TI_PENDING,TI_ERROR
    571  *
    572  * \par Description
    573  * This function is called from the user upon request to mask an event.
    574  * This function change the mask vector in FW but doesn't unregister it in the driver.
    575  * \sa
    576  */
    577 TI_STATUS eventMbox_MaskEvent(TI_HANDLE hEventMbox,TI_UINT32 EvID,void* fCb,TI_HANDLE hCb)
    578 {
    579 	TI_UINT32*	pEventMask;
    580 	TI_STATUS	aStatus;
    581     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    582 	pEventMask = (TI_UINT32*)&pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsMask;
    583 
    584     if (EvID >= TWD_OWN_EVENT_ALL)
    585     {
    586 TRACE1(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_MaskEvent : Mask an Invalid event = 0x%x\n",EvID);
    587 		return TXN_STATUS_ERROR;
    588     }
    589 
    590 	*pEventMask |= eventTable[EvID].bitMask;
    591 
    592     TRACE0(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION , "eventMbox_MaskEvent : EVENT  is masked\n");
    593 
    594 	aStatus = cmdBld_CfgEventMask(pEventMbox->hCmdBld,*pEventMask,fCb,hCb);
    595 	return aStatus;
    596 }
    597 
    598 
    599 
    600 /*
    601  * \brief	Handle the incoming event read the Mbox data
    602  *
    603  * \param  hEventMbox  - Handle to EventMbox
    604  * \param  TFwStatus  - FW status
    605  * \return none
    606  *
    607  * \par Description
    608  * This function is called from the FW Event upon receiving MBOX event.
    609  * \sa
    610  */
    611 ETxnStatus eventMbox_Handle(TI_HANDLE hEventMbox,FwStatus_t* pFwStatus)
    612 {
    613 	ETxnStatus	rc;
    614 	TTxnStruct  *pTxn;
    615     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    616 
    617 	pTxn = &pEventMbox->iTxnEventMbox.tEventMbox;
    618 
    619 TRACE1(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, "eventMbox_Handle : Reading from MBOX -- %d",pEventMbox->ActiveMbox);
    620 
    621 #ifdef TI_DBG
    622     /* Check if missmatch MBOX */
    623 	if (pEventMbox->ActiveMbox == 0)
    624     {
    625     	if (pFwStatus->intrStatus & ACX_INTR_EVENT_B)
    626         {
    627         TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_Handle : incorrect MBOX SW MBOX -- A FW MBOX -- B");
    628         }
    629     }
    630 	else if (pEventMbox->ActiveMbox == 1)
    631     {
    632         if (pFwStatus->intrStatus & ACX_INTR_EVENT_A)
    633         {
    634             TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_Handle : incorrect MBOX SW MBOX -- B FW MBOX -- A");
    635         }
    636     }
    637 #endif /* TI_DBG */
    638 
    639 	if (pEventMbox->CurrentState != EVENT_MBOX_STATE_IDLE)
    640 	{
    641 TRACE0(pEventMbox->hReport, REPORT_SEVERITY_ERROR, "eventMbox_Handle : Receiving event not in Idle state");
    642     }
    643 	pEventMbox->CurrentState = EVENT_MBOX_STATE_READING;
    644 
    645 	/* Build the command TxnStruct */
    646     TXN_PARAM_SET(pTxn, TXN_LOW_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_READ, TXN_INC_ADDR)
    647 	/* Applying a CB in case of an async read */
    648     BUILD_TTxnStruct(pTxn, pEventMbox->EventMboxAddr[pEventMbox->ActiveMbox], &pEventMbox->iTxnEventMbox.iEventMboxBuf, sizeof(EventMailBox_t),(TTxnDoneCb)eventMbox_ReadCompleteCB, pEventMbox)
    649 	rc = twIf_Transact(pEventMbox->hTwif,pTxn);
    650 
    651 	pEventMbox->ActiveMbox = 1 - pEventMbox->ActiveMbox;
    652 	if (rc == TXN_STATUS_COMPLETE)
    653     {
    654 		eventMbox_ReadCompleteCB(pEventMbox,pTxn);
    655     }
    656 
    657     return TXN_STATUS_COMPLETE;
    658 }
    659 
    660 
    661 /*
    662  * \brief	Process the event
    663  *
    664  * \param  hEventMbox  - Handle to EventMbox
    665  * \param  pTxnStruct  - the Txn data
    666  * \return none
    667  *
    668  * \par Description
    669  * This function is called from the upon reading completion of the event MBOX
    670  * it will call all registered event according to the pending bits in event MBOX vector.
    671  * \sa
    672  */
    673 static void eventMbox_ReadCompleteCB(TI_HANDLE hEventMbox, TTxnStruct *pTxnStruct)
    674 {
    675 	TI_UINT32	EvID;
    676 	TTxnStruct*	pTxn;
    677     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    678 	pTxn = &pEventMbox->iTxnGenRegSize.tTxnReg;
    679 
    680 TRACE1(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, "eventMbox_ReadCompleteCB : event vector -- 0x%x\n",pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsVector);
    681 
    682 	pEventMbox->iTxnGenRegSize.iRegBuffer = INTR_TRIG_EVENT_ACK;
    683 
    684     for (EvID = 0; EvID < TWD_OWN_EVENT_ALL; EvID++)
    685     {
    686         if (pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsVector & eventTable[EvID].bitMask)
    687                 {
    688                     if (eventTable[EvID].dataLen)
    689                     {
    690                 ((TEventMboxDataCb)pEventMbox->CbTable[EvID].fCb)(pEventMbox->CbTable[EvID].hCb,(TI_CHAR*)pEventMbox->CbTable[EvID].pDataOffset,eventTable[EvID].dataLen);
    691             }
    692             else
    693             {
    694                 ((TEventMboxEvCb)pEventMbox->CbTable[EvID].fCb)(pEventMbox->CbTable[EvID].hCb);
    695             }
    696         }
    697     }
    698 
    699     /* Check if the state is changed in the context of the event callbacks */
    700     if (pEventMbox->CurrentState == EVENT_MBOX_STATE_IDLE)
    701     {
    702         /*
    703          * When eventMbox_stop is called state is changed to IDLE
    704          * This is done in the context of the above events callbacks
    705          * Don't send the EVENT ACK transaction because the driver stop process includes power off
    706          */
    707         TRACE0(pEventMbox->hReport, REPORT_SEVERITY_WARNING, "eventMbox_ReadCompleteCB : State is IDLE ! don't send the EVENT ACK");
    708         return;
    709     }
    710 
    711 	pEventMbox->CurrentState = EVENT_MBOX_STATE_IDLE;
    712 
    713 	/* Build the command TxnStruct */
    714     TXN_PARAM_SET(pTxn, TXN_LOW_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_WRITE, TXN_INC_ADDR)
    715 	/* Applying a CB in case of an async read */
    716     BUILD_TTxnStruct(pTxn, ACX_REG_INTERRUPT_TRIG, &pEventMbox->iTxnGenRegSize.iRegBuffer, sizeof(pEventMbox->iTxnGenRegSize.iRegBuffer), NULL, NULL)
    717 	twIf_Transact(pEventMbox->hTwif,pTxn);
    718 }
    719 
    720 
    721 #ifdef TI_DBG
    722 
    723 /*
    724  *  eventMbox_Print: print the Event Mailbox statistic :Number 890
    725  */
    726 TI_STATUS eventMbox_Print (TI_HANDLE hEventMbox)
    727 {
    728     TEventMbox *pEventMbox = (TEventMbox *)hEventMbox;
    729     TI_UINT32 i;
    730     TI_UINT32 EvMask   = pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsMask;
    731     TI_UINT32 EvVector = pEventMbox->iTxnEventMbox.iEventMboxBuf.eventsVector;
    732 
    733     TRACE0(pEventMbox->hReport, REPORT_SEVERITY_CONSOLE, "------------------------- EventMbox  Print ----------------------------\n");
    734 
    735     TRACE1(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, " eventMbox_HandleEvent: Event Vector = 0x%x\n", EvVector);
    736     TRACE1(pEventMbox->hReport, REPORT_SEVERITY_INFORMATION, " eventMbox_HandleEvent: Event Mask = 0x%x\n", EvMask);
    737     TRACE1(pEventMbox->hReport, REPORT_SEVERITY_CONSOLE, " Total Number Of Compound Event = %d: \n", pEventMbox->uCompounEvCount);
    738     TRACE1(pEventMbox->hReport, REPORT_SEVERITY_CONSOLE, " Total Number Of Events = %d: \n", pEventMbox->uTotalEvCount);
    739     TRACE0(pEventMbox->hReport, REPORT_SEVERITY_CONSOLE, "\t\t\t\t *** Event Counters *** :\n");
    740     for (i = 0; i < TWD_OWN_EVENT_ALL; i++)
    741     {
    742         TRACE2(pEventMbox->hReport, REPORT_SEVERITY_CONSOLE, " %d) Event Name = EVENT , Number of Event = %d\n", i, pEventMbox->CbTable[i].uCount);
    743     }
    744 
    745     TRACE0(pEventMbox->hReport, REPORT_SEVERITY_CONSOLE, "------------------------- EventMbox  Print End ----------------------------\n");
    746 
    747     return TI_OK;
    748 }
    749 
    750 
    751 #endif /* TI_DBG */
    752 
    753 
    754 
    755