1 /*
2  * Copyright (C) 2010 NXP Semiconductors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 /*!
17  * \file  phHal4Nfc_ADD.c
18  * \brief Hal4Nfc_ADD source.
19  *
20  * Project: NFC-FRI 1.1
21  *
22  * $Date: Mon May 31 11:43:42 2010 $
23  * $Author: ing07385 $
24  * $Revision: 1.151 $
25  * $Aliases: NFC_FRI1.1_WK1023_R35_1 $
26  *
27  */
28 
29 /* ---------------------------Include files ----------------------------------*/
30 #include <phHciNfc.h>
31 #include <phHal4Nfc.h>
32 #include <phHal4Nfc_Internal.h>
33 #include <phOsalNfc.h>
34 
35 /* ------------------------------- Macros ------------------------------------*/
36 #define     NFCIP_ACTIVE_SHIFT      0x03U
37 #define     NXP_UID                 0x04U
38 #define     NXP_MIN_UID_LEN         0x07U
39 /* --------------------Structures and enumerations --------------------------*/
40 
phHal4Nfc_ConfigParameters(phHal_sHwReference_t * psHwReference,phHal_eConfigType_t CfgType,phHal_uConfig_t * puConfig,pphHal4Nfc_GenCallback_t pConfigCallback,void * pContext)41 NFCSTATUS phHal4Nfc_ConfigParameters(
42                         phHal_sHwReference_t     *psHwReference,
43                         phHal_eConfigType_t       CfgType,
44                         phHal_uConfig_t          *puConfig,
45                         pphHal4Nfc_GenCallback_t  pConfigCallback,
46                         void                     *pContext
47                         )
48 {
49     NFCSTATUS CfgStatus = NFCSTATUS_SUCCESS;
50     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
51     /*NULL checks*/
52     if(NULL == psHwReference
53         || NULL == pConfigCallback
54         || NULL == puConfig
55         )
56     {
57         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
58         CfgStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_INVALID_PARAMETER);
59     }
60     /*Check if initialised*/
61     else if((NULL == psHwReference->hal_context)
62                         || (((phHal4Nfc_Hal4Ctxt_t *)
63                                 psHwReference->hal_context)->Hal4CurrentState
64                                                < eHal4StateOpenAndReady)
65                         || (((phHal4Nfc_Hal4Ctxt_t *)
66                                 psHwReference->hal_context)->Hal4NextState
67                                                == eHal4StateClosed))
68     {
69         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
70         CfgStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
71     }
72     else
73     {
74         Hal4Ctxt = psHwReference->hal_context;
75         /*If previous Configuration request has not completed,do not allow new
76           configuration*/
77         if(Hal4Ctxt->Hal4NextState == eHal4StateConfiguring)
78         {
79             PHDBG_INFO("Hal4:PollCfg in progress.Returning status Busy");
80             CfgStatus= PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_BUSY);
81         }
82         else if(Hal4Ctxt->Hal4CurrentState >= eHal4StateOpenAndReady)
83         {
84             /*Allocate ADD context*/
85             if (NULL == Hal4Ctxt->psADDCtxtInfo)
86             {
87                 Hal4Ctxt->psADDCtxtInfo= (pphHal4Nfc_ADDCtxtInfo_t)
88                     phOsalNfc_GetMemory((uint32_t)
89                     (sizeof(phHal4Nfc_ADDCtxtInfo_t)));
90                 if(NULL != Hal4Ctxt->psADDCtxtInfo)
91                 {
92                     (void)memset(Hal4Ctxt->psADDCtxtInfo,0,
93                         sizeof(phHal4Nfc_ADDCtxtInfo_t)
94                         );
95                 }
96             }
97             if(NULL == Hal4Ctxt->psADDCtxtInfo)
98             {
99                 phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0);
100                 CfgStatus= PHNFCSTVAL(CID_NFC_HAL ,
101                     NFCSTATUS_INSUFFICIENT_RESOURCES);
102             }
103             else
104             {
105                 /*Register Upper layer context*/
106 #ifdef LLCP_DISCON_CHANGES
107                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCfgDiscCtxt = pContext;
108 #else /* #ifdef LLCP_DISCON_CHANGES */
109                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
110 #endif /* #ifdef LLCP_DISCON_CHANGES */
111                 switch(CfgType)
112                 {
113                 /*NFC_EMULATION_CONFIG*/
114                 case NFC_EMULATION_CONFIG:
115                 {
116                     (void)memcpy((void *)&Hal4Ctxt->uConfig,
117                         (void *)puConfig,
118                         sizeof(phHal_uConfig_t)
119                         );
120                     break;
121                 }
122                 /*P2P Configuration*/
123                 case NFC_P2P_CONFIG:
124                 {
125                     /*If general bytes are not provided by above layer copy zeros
126                       in general bytes*/
127                     if(puConfig->nfcIPConfig.generalBytesLength == 0)
128                     {
129                         Hal4Ctxt->uConfig.nfcIPConfig.generalBytesLength = 0x00;
130                         (void)memset(Hal4Ctxt->uConfig.nfcIPConfig.generalBytes,
131                                     0,Hal4Ctxt->uConfig.nfcIPConfig.generalBytesLength
132                                     );
133                     }
134                     else
135                     {
136                         (void)memcpy((void *)&Hal4Ctxt->uConfig,
137                             (void *)puConfig,
138                             sizeof(phHal_uConfig_t)
139                             );
140                     }
141                     break;
142                 }
143                 /*Protection config*/
144                 case NFC_SE_PROTECTION_CONFIG:
145                 {
146 #ifdef IGNORE_EVT_PROTECTED
147                     Hal4Ctxt->Ignore_Event_Protected = FALSE;
148 #endif/*#ifdef IGNORE_EVT_PROTECTED*/
149                     (void)memcpy((void *)&Hal4Ctxt->uConfig,
150                         (void *)puConfig,
151                         sizeof(phHal_uConfig_t)
152                         );
153                     break;
154                 }
155                 default:
156                     CfgStatus = NFCSTATUS_FAILED;
157                     break;
158                 }
159                 if ( NFCSTATUS_SUCCESS == CfgStatus )
160                 {
161                     /*Issue configure with given configuration*/
162                     CfgStatus = phHciNfc_Configure(
163                                     (void *)Hal4Ctxt->psHciHandle,
164                                     (void *)psHwReference,
165                                     CfgType,
166                                     &Hal4Ctxt->uConfig
167                                     );
168                     /* Change the State of the HAL only if status is Pending */
169                     if ( NFCSTATUS_PENDING == CfgStatus )
170                     {
171                         Hal4Ctxt->Hal4NextState = eHal4StateConfiguring;
172                         Hal4Ctxt->sUpperLayerInfo.pConfigCallback
173                             = pConfigCallback;
174                     }
175                 }
176             }
177         }
178         else
179         {
180             phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
181             CfgStatus= PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
182         }
183     }
184     return CfgStatus;
185 }
186 
187 
188 /**Configure the discovery*/
phHal4Nfc_ConfigureDiscovery(phHal_sHwReference_t * psHwReference,phHal_eDiscoveryConfigMode_t discoveryMode,phHal_sADD_Cfg_t * discoveryCfg,pphHal4Nfc_GenCallback_t pConfigCallback,void * pContext)189 NFCSTATUS phHal4Nfc_ConfigureDiscovery(
190                         phHal_sHwReference_t          *psHwReference,
191                         phHal_eDiscoveryConfigMode_t   discoveryMode,
192                         phHal_sADD_Cfg_t              *discoveryCfg,
193                         pphHal4Nfc_GenCallback_t       pConfigCallback,
194                         void                          *pContext
195                         )
196 {
197     NFCSTATUS CfgStatus = NFCSTATUS_SUCCESS;
198     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
199     if(NULL == psHwReference
200         || NULL == pConfigCallback
201         || NULL == discoveryCfg
202         )
203     {
204         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
205         CfgStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_INVALID_PARAMETER);
206     }
207     else if((NULL == psHwReference->hal_context)
208                         || (((phHal4Nfc_Hal4Ctxt_t *)
209                                 psHwReference->hal_context)->Hal4CurrentState
210                                                < eHal4StateOpenAndReady)
211                         || (((phHal4Nfc_Hal4Ctxt_t *)
212                                 psHwReference->hal_context)->Hal4NextState
213                                                == eHal4StateClosed))
214     {
215         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
216         CfgStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
217     }
218     else
219     {
220         Hal4Ctxt = psHwReference->hal_context;
221         /*If previous Configuration request has not completed ,do not allow
222           new configuration*/
223         if(Hal4Ctxt->Hal4NextState == eHal4StateConfiguring)
224         {
225             PHDBG_INFO("Hal4:PollCfg in progress.Returning status Busy");
226             CfgStatus= PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_BUSY);
227         }
228         else if(Hal4Ctxt->Hal4CurrentState >= eHal4StateOpenAndReady)
229         {
230             if (NULL == Hal4Ctxt->psADDCtxtInfo)
231             {
232                 Hal4Ctxt->psADDCtxtInfo= (pphHal4Nfc_ADDCtxtInfo_t)
233                     phOsalNfc_GetMemory((uint32_t)
234                     (sizeof(phHal4Nfc_ADDCtxtInfo_t)));
235                 if(NULL != Hal4Ctxt->psADDCtxtInfo)
236                 {
237                     (void)memset(Hal4Ctxt->psADDCtxtInfo,0,
238                         sizeof(phHal4Nfc_ADDCtxtInfo_t)
239                         );
240                 }
241             }
242             if(NULL == Hal4Ctxt->psADDCtxtInfo)
243             {
244                 phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0);
245                 CfgStatus= PHNFCSTVAL(CID_NFC_HAL ,
246                     NFCSTATUS_INSUFFICIENT_RESOURCES);
247             }
248             else
249             {
250                 /*Register Upper layer context*/
251 #ifdef LLCP_DISCON_CHANGES
252                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCfgDiscCtxt = pContext;
253 #else /* #ifdef LLCP_DISCON_CHANGES */
254                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
255 #endif /* #ifdef LLCP_DISCON_CHANGES */
256                 switch(discoveryMode)
257                 {
258                 case NFC_DISCOVERY_START:
259                     PHDBG_INFO("Hal4:Call to NFC_DISCOVERY_START");
260                     break;
261                 case NFC_DISCOVERY_CONFIG:
262                     PHDBG_INFO("Hal4:Call to NFC_DISCOVERY_CONFIG");
263                     /*Since sADDCfg is allocated in stack ,copy the ADD
264                       configuration structure to HAL4 context*/
265                     (void)memcpy((void *)
266                         &(Hal4Ctxt->psADDCtxtInfo->sADDCfg),
267                         (void *)discoveryCfg,
268                         sizeof(phHal_sADD_Cfg_t)
269                         );
270                     PHDBG_INFO("Hal4:Finished copying sADDCfg");
271                     Hal4Ctxt->psADDCtxtInfo->smx_discovery = FALSE;
272 #ifdef UPDATE_NFC_ACTIVE
273                     Hal4Ctxt->psADDCtxtInfo->sADDCfg.PollDevInfo.PollCfgInfo.EnableNfcActive
274                         = ( 0 == Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode?
275                            Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode:
276                            NXP_NFCIP_ACTIVE_DEFAULT);
277                     Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode = ((
278                     Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode <<
279                     (NXP_NFCIP_ACTIVE_DEFAULT * NFCIP_ACTIVE_SHIFT))
280                     | Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode);
281 #endif/*#ifdef UPDATE_NFC_ACTIVE*/
282                     /* information system_code(Felica) and
283                     AFI(ReaderB) to be populated later */
284 
285                     CfgStatus = phHciNfc_Config_Discovery(
286                         (void *)Hal4Ctxt->psHciHandle,
287                         (void *)psHwReference,
288                         &(Hal4Ctxt->psADDCtxtInfo->sADDCfg)
289                         );/*Configure HCI Discovery*/
290                     break;
291                 case NFC_DISCOVERY_STOP:
292                     break;
293                 /*Restart Discovery wheel*/
294                 case NFC_DISCOVERY_RESUME:
295                     PHDBG_INFO("Hal4:Call to NFC_DISCOVERY_RESUME");
296                     Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
297                     CfgStatus = phHciNfc_Restart_Discovery (
298                                     (void *)Hal4Ctxt->psHciHandle,
299                                     (void *)psHwReference,
300                                     FALSE
301                                     );
302                     break;
303                 default:
304                     break;
305                 }
306                 /* Change the State of the HAL only if HCI Configure
307                    Returns status as Pending */
308                 if ( NFCSTATUS_PENDING == CfgStatus )
309                 {
310                     (void)memcpy((void *)
311                         &(Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig),
312                         (void *)&(discoveryCfg->PollDevInfo.PollCfgInfo),
313                         sizeof(phHal_sPollDevInfo_t)
314                         );
315                     PHDBG_INFO("Hal4:Finished copying PollCfgInfo");
316                     PHDBG_INFO("Hal4:Configure returned NFCSTATUS_PENDING");
317                     Hal4Ctxt->Hal4NextState = eHal4StateConfiguring;
318                     Hal4Ctxt->sUpperLayerInfo.pConfigCallback
319                         = pConfigCallback;
320                 }
321                 else/*Configure failed.Restore old poll dev info*/
322                 {
323                     (void)memcpy((void *)
324                         &(Hal4Ctxt->psADDCtxtInfo->sADDCfg.PollDevInfo.PollCfgInfo),
325                         (void *)&(Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig),
326                         sizeof(phHal_sPollDevInfo_t)
327                         );
328                 }
329             }
330         }
331         else
332         {
333             phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
334             CfgStatus= PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
335         }
336     }
337     return CfgStatus;
338 }
339 
340 
341 /*Configuration completion handler*/
phHal4Nfc_ConfigureComplete(phHal4Nfc_Hal4Ctxt_t * Hal4Ctxt,void * pInfo,uint8_t type)342 void phHal4Nfc_ConfigureComplete(phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
343                                  void                  *pInfo,
344                                  uint8_t                type
345                                  )
346 {
347     pphHal4Nfc_GenCallback_t    pConfigCallback
348                                 = Hal4Ctxt->sUpperLayerInfo.pConfigCallback;
349     pphHal4Nfc_ConnectCallback_t pUpperConnectCb
350                     = Hal4Ctxt->sTgtConnectInfo.pUpperConnectCb;
351     NFCSTATUS Status = ((phNfc_sCompletionInfo_t *)pInfo)->status;
352     if((type == NFC_NOTIFY_POLL_ENABLED) ||(type == NFC_NOTIFY_POLL_RESTARTED))
353     {
354         Hal4Ctxt->psADDCtxtInfo->IsPollConfigured = TRUE;
355         PHDBG_INFO("Hal4:Poll Config Complete");
356     }
357     else
358     {
359         Hal4Ctxt->psADDCtxtInfo->IsPollConfigured = FALSE;
360         PHDBG_WARNING("Hal4:Poll disabled,config success or config error");
361     }
362     if(NULL != Hal4Ctxt->sUpperLayerInfo.pConfigCallback)
363     {
364 #ifdef MERGE_SAK_SW2
365         if((NFC_UICC_EMULATION == Hal4Ctxt->uConfig.emuConfig.emuType)&&
366            (FALSE ==
367             Hal4Ctxt->uConfig.emuConfig.config.uiccEmuCfg.enableUicc))
368         {
369             Status = phHciNfc_System_Configure (
370                                 Hal4Ctxt->psHciHandle,
371                                 (void *)gpphHal4Nfc_Hwref,
372                                 PH_HAL4NFC_TGT_MERGE_ADDRESS,
373                                 PH_HAL4NFC_TGT_MERGE_SAK /*config value*/
374                                 );
375         }
376         if(NFCSTATUS_PENDING != Status)
377         {
378 #endif/*#ifdef MERGE_SAK_SW2*/
379             Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
380             Hal4Ctxt->sUpperLayerInfo.pConfigCallback = NULL;
381             (*pConfigCallback)(
382 #ifdef LLCP_DISCON_CHANGES
383                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCfgDiscCtxt,
384 #else /* #ifdef LLCP_DISCON_CHANGES */
385                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
386 #endif /* #ifdef LLCP_DISCON_CHANGES */
387                 Status
388                 );
389 #ifdef MERGE_SAK_SW2
390         }
391 #endif/*#ifdef MERGE_SAK_SW2*/
392     }
393     /**if connect failed and discovery wheel was restarted*/
394     else if(Hal4Ctxt->sTgtConnectInfo.pUpperConnectCb)
395     {
396         Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
397         Hal4Ctxt->sTgtConnectInfo.pUpperConnectCb = NULL;
398         /*Notify to the upper layer*/
399         (*pUpperConnectCb)(
400             Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
401             Hal4Ctxt->sTgtConnectInfo.psConnectedDevice,
402             NFCSTATUS_FAILED
403             );
404     }
405     else
406     {
407         Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
408         /**if disconnect failed and discovery wheel was restarted*/
409         if ( NULL != Hal4Ctxt->sTgtConnectInfo.pUpperDisconnectCb)
410         {
411             ((phNfc_sCompletionInfo_t *)pInfo)->status = NFCSTATUS_SUCCESS;
412             phHal4Nfc_DisconnectComplete(Hal4Ctxt,pInfo);
413         }
414     }
415 }
416 
417 
418 /**Handler for Target discovery completion for all remote device types*/
phHal4Nfc_TargetDiscoveryComplete(phHal4Nfc_Hal4Ctxt_t * Hal4Ctxt,void * pInfo)419 void phHal4Nfc_TargetDiscoveryComplete(
420                                        phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
421                                        void                  *pInfo
422                                        )
423 {
424     static phHal4Nfc_DiscoveryInfo_t sDiscoveryInfo;
425     NFCSTATUS status = NFCSTATUS_SUCCESS;
426     /**SAK byte*/
427     uint8_t Sak = 0;
428     /*Union type to encapsulate and return the discovery info*/
429     phHal4Nfc_NotificationInfo_t uNotificationInfo;
430     /*All the following types will be discovered as type A ,and differentiation
431       will have to be done within this module based on SAK byte and UID info*/
432     phHal_eRemDevType_t  aRemoteDevTypes[3] = {
433                                                phHal_eISO14443_A_PICC,
434                                                phHal_eNfcIP1_Target,
435                                                phHal_eMifare_PICC
436                                               };
437     /*Count is used to add multiple info into remote dvice list for devices that
438       support multiple protocols*/
439     uint8_t Count = 0,
440         NfcIpDeviceCount = 0;/**<Number of NfcIp devices discovered*/
441     uint16_t nfc_id = 0;
442     /*remote device info*/
443     phHal_sRemoteDevInformation_t *psRemoteDevInfo = NULL;
444     status = ((phNfc_sCompletionInfo_t *)pInfo)->status;
445     /*Update Hal4 state*/
446     Hal4Ctxt->Hal4CurrentState = eHal4StateTargetDiscovered;
447     Hal4Ctxt->Hal4NextState  = eHal4StateInvalid;
448      PHDBG_INFO("Hal4:Remotedevice Discovered");
449     if(NULL != ((phNfc_sCompletionInfo_t *)pInfo)->info)
450     {
451         /*Extract Remote device Info*/
452         psRemoteDevInfo = (phHal_sRemoteDevInformation_t *)
453                                     ((phNfc_sCompletionInfo_t *)pInfo)->info;
454 
455         switch(psRemoteDevInfo->RemDevType)
456         {
457             case phHal_eISO14443_A_PICC:/*for TYPE A*/
458             {
459                 Sak = psRemoteDevInfo->RemoteDevInfo.Iso14443A_Info.Sak;
460                 if((Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig.EnableIso14443A)
461                     || (TRUE == Hal4Ctxt->psADDCtxtInfo->smx_discovery))
462                 {
463                     /*Check if Iso is Supported*/
464                     if(Sak & ISO_14443_BITMASK)
465                     {
466                         Count++;
467                     }
468                     /*Check for Mifare Supported*/
469                     switch( Sak )
470                     {
471                       case 0x01: // 1K Classic
472                       case 0x09: // Mini
473                       case 0x08: // 1K
474                       case 0x18: // 4K
475                       case 0x88: // Infineon 1K
476                       case 0x98: // Pro 4K
477                       case 0xB8: // Pro 4K
478                       case 0x28: // 1K emulation
479                       case 0x38: // 4K emulation
480                         aRemoteDevTypes[Count] = phHal_eMifare_PICC;
481                         Count++;
482                         break;
483                     }
484                     if((0 == Sak)&& (0 == Count))
485                     {
486                         /*Mifare check*/
487                         if((NXP_UID ==
488                         psRemoteDevInfo->RemoteDevInfo.Iso14443A_Info.Uid[0])
489                         &&(NXP_MIN_UID_LEN <=
490                         psRemoteDevInfo->RemoteDevInfo.Iso14443A_Info.UidLength))
491                         {
492                             aRemoteDevTypes[Count] = phHal_eMifare_PICC;
493                             Count++;
494                         }
495                     }
496                     // Always add a separate 3A target on a separate
497                     // handle, so the upper layers can connect to it.
498                     aRemoteDevTypes[Count] = phHal_eISO14443_3A_PICC;
499                     Count++;
500                 }
501                 /*Check for P2P target passive*/
502                 if((Sak & NFCIP_BITMASK) &&
503                     (NULL != Hal4Ctxt->sUpperLayerInfo.pP2PNotification)&&
504                     (Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode
505                     & phHal_ePassive106))
506                 {
507                   if( Sak == 0x53 // Fudan card incompatible to ISO18092
508                       && psRemoteDevInfo->RemoteDevInfo.Iso14443A_Info.AtqA[0] == 0x04
509                       && psRemoteDevInfo->RemoteDevInfo.Iso14443A_Info.AtqA[1] == 0x00
510                     )
511                   {
512                     aRemoteDevTypes[Count] = phHal_eISO14443_3A_PICC;
513                     Count++;
514                   }
515                   else
516                   {
517                     aRemoteDevTypes[Count] = phHal_eNfcIP1_Target;
518                     Count++;
519 									}
520                 }
521             }/*case phHal_eISO14443_A_PICC:*/
522                 break;
523             case phHal_eNfcIP1_Target:/*P2P target detected*/
524                 aRemoteDevTypes[Count] = phHal_eNfcIP1_Target;
525                 Count++;
526                 break;
527              case phHal_eISO14443_B_PICC: /*TYPE_B*/
528 #ifdef TYPE_B
529                 aRemoteDevTypes[Count] = phHal_eISO14443_B_PICC;
530                 Count++;
531                 break;
532 #endif
533             case phHal_eFelica_PICC: /*Felica*/
534 #ifdef TYPE_FELICA
535             {
536                 /*nfc_id is used to differentiate between Felica and NfcIp target
537                   discovered in Type F*/
538                 nfc_id = (((uint16_t)psRemoteDevInfo->RemoteDevInfo.Felica_Info.IDm[0])
539                     << BYTE_SIZE) |
540                     psRemoteDevInfo->RemoteDevInfo.Felica_Info.IDm[1];
541                 /*check  for NfcIp target*/
542                 if(NXP_NFCIP_NFCID2_ID  == nfc_id)
543                 {
544                     if((NULL != Hal4Ctxt->sUpperLayerInfo.pP2PNotification)
545                         &&((Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode
546                              & phHal_ePassive212) ||
547                             (Hal4Ctxt->psADDCtxtInfo->sADDCfg.NfcIP_Mode
548                              & phHal_ePassive424)))
549                     {
550                         aRemoteDevTypes[Count] = phHal_eNfcIP1_Target;
551                         Count++;
552                     }
553                 }
554                 else/*Felica*/
555                 {
556                     if(Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig.EnableFelica212
557                     || Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig.EnableFelica424)
558                     {
559                         aRemoteDevTypes[Count] = phHal_eFelica_PICC;
560                         Count++;
561                     }
562                 }
563                 break;
564             }
565 #endif
566             case phHal_eJewel_PICC: /*Jewel*/
567 #ifdef TYPE_JEWEL
568             {
569                 /*Report Jewel tags only if TYPE A is enabled*/
570                 if(Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig.EnableIso14443A)
571                 {
572                     aRemoteDevTypes[Count] = phHal_eJewel_PICC;
573                     Count++;
574                 }
575                 break;
576             }
577 #endif
578 #ifdef  TYPE_ISO15693
579             case phHal_eISO15693_PICC: /*ISO15693*/
580             {
581                 if(Hal4Ctxt->psADDCtxtInfo->sCurrentPollConfig.EnableIso15693)
582                 {
583                     aRemoteDevTypes[Count] = phHal_eISO15693_PICC;
584                     Count++;
585                 }
586                 break;
587             }
588 #endif /* #ifdef    TYPE_ISO15693 */
589             /*Types currently not supported*/
590             case phHal_eISO14443_BPrime_PICC:
591             default:
592                 PHDBG_WARNING("Hal4:Notification for Not supported types");
593                 break;
594         }/*End of switch*/
595         /*Update status code to success if atleast one device info is available*/
596         status = (((NFCSTATUS_SUCCESS != status)
597                   && (NFCSTATUS_MULTIPLE_TAGS != status))
598                    &&(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices != 0))?
599                     NFCSTATUS_SUCCESS:status;
600 
601         /*Update status to NFCSTATUS_MULTIPLE_PROTOCOLS if count > 1 ,and this
602           is first discovery notification from Hci*/
603         status = ((NFCSTATUS_SUCCESS == status)
604                     &&(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices == 0)
605                     &&(Count > 1)?NFCSTATUS_MULTIPLE_PROTOCOLS:status);
606          /*If multiple protocols are supported ,allocate separate remote device
607           information for each protocol supported*/
608         /*Allocate and copy Remote device info into Hal4 Context*/
609         while(Count)
610         {
611             PHDBG_INFO("Hal4:Count is not zero");
612             --Count;
613             /*Allocate memory for each of Count number of
614               devices*/
615             if(NULL == Hal4Ctxt->rem_dev_list[
616                 Hal4Ctxt->psADDCtxtInfo->nbr_of_devices])
617             {
618                 Hal4Ctxt->rem_dev_list[
619                     Hal4Ctxt->psADDCtxtInfo->nbr_of_devices]
620                 = (phHal_sRemoteDevInformation_t *)
621                     phOsalNfc_GetMemory(
622                     (uint32_t)(
623                     sizeof(phHal_sRemoteDevInformation_t))
624                     );
625             }
626             if(NULL == Hal4Ctxt->rem_dev_list[
627                 Hal4Ctxt->psADDCtxtInfo->nbr_of_devices])
628             {
629                 status =  PHNFCSTVAL(CID_NFC_HAL,
630                     NFCSTATUS_INSUFFICIENT_RESOURCES);
631                 phOsalNfc_RaiseException(phOsalNfc_e_NoMemory,0);
632                 break;
633             }
634             else
635             {
636                 (void)memcpy(
637                     (void *)Hal4Ctxt->rem_dev_list[
638                         Hal4Ctxt->psADDCtxtInfo->nbr_of_devices],
639                         (void *)psRemoteDevInfo,
640                         sizeof(phHal_sRemoteDevInformation_t)
641                         );
642                 /*Now copy appropriate device type from aRemoteDevTypes array*/
643                 Hal4Ctxt->rem_dev_list[
644                         Hal4Ctxt->psADDCtxtInfo->nbr_of_devices]->RemDevType
645                             =   aRemoteDevTypes[Count];
646                 /*Increment number of devices*/
647                 Hal4Ctxt->psADDCtxtInfo->nbr_of_devices++;
648             }/*End of else*/
649         }/*End of while*/
650 
651         /*If Upper layer is interested only in P2P notifications*/
652         if((NULL != Hal4Ctxt->sUpperLayerInfo.pP2PNotification)
653            &&(((Hal4Ctxt->psADDCtxtInfo->nbr_of_devices == 1)
654               &&(phHal_eNfcIP1_Target == Hal4Ctxt->rem_dev_list[0]->RemDevType))
655               ||(NULL == Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification))
656             )
657         {
658             PHDBG_INFO("Hal4:Trying to notify P2P Listener");
659             /*NFCSTATUS_SUCCESS or NFCSTATUS_MULTIPLE_PROTOCOLS*/
660             if((NFCSTATUS_SUCCESS == status)
661                 ||(NFCSTATUS_MULTIPLE_PROTOCOLS == status))
662             {
663                 /*Pick only the P2P target device info from the list*/
664                 for(Count = Hal4Ctxt->psADDCtxtInfo->nbr_of_devices;
665                     Count > 0;--Count)
666                 {
667                     /*Only one P2P target can be detected in one discovery*/
668                     if(phHal_eNfcIP1_Target ==
669                         Hal4Ctxt->rem_dev_list[Count-1]->RemDevType)
670                     {
671                         if (Count != 1)
672                         {
673                             (void)memcpy(
674                                 (void *)Hal4Ctxt->rem_dev_list[0],
675                                 (void *)Hal4Ctxt->rem_dev_list[Count-1],
676                                         sizeof(phHal_sRemoteDevInformation_t)
677                                         );
678                         }
679                         NfcIpDeviceCount = 1;
680                         break;
681                     }
682                 }
683                 /*If any P2p devices are discovered free other device info*/
684                 while(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices > NfcIpDeviceCount)
685                 {
686                     phOsalNfc_FreeMemory(Hal4Ctxt->rem_dev_list[
687                         --Hal4Ctxt->psADDCtxtInfo->nbr_of_devices]);
688                     Hal4Ctxt->rem_dev_list[
689                         Hal4Ctxt->psADDCtxtInfo->nbr_of_devices] = NULL;
690                 }
691                 /*Issue P2P notification*/
692                 if(NfcIpDeviceCount == 1)
693                 {
694                     sDiscoveryInfo.NumberOfDevices
695                         = Hal4Ctxt->psADDCtxtInfo->nbr_of_devices;
696                     sDiscoveryInfo.ppRemoteDevInfo = Hal4Ctxt->rem_dev_list;
697                     uNotificationInfo.psDiscoveryInfo = &sDiscoveryInfo;
698                     PHDBG_INFO("Hal4:Calling P2P listener");
699                     (*Hal4Ctxt->sUpperLayerInfo.pP2PNotification)(
700                             (void *)(Hal4Ctxt->sUpperLayerInfo.P2PDiscoveryCtxt),
701                             NFC_DISCOVERY_NOTIFICATION,
702                             uNotificationInfo,
703                             NFCSTATUS_SUCCESS
704                             );
705                 }
706                 else/*Restart Discovery wheel*/
707                 {
708                     PHDBG_INFO("Hal4:No P2P device in list");
709                     Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
710                     PHDBG_INFO("Hal4:Restart discovery1");
711                     status = phHciNfc_Restart_Discovery (
712                                         (void *)Hal4Ctxt->psHciHandle,
713                                         (void *)gpphHal4Nfc_Hwref,
714                                         FALSE
715                                         );
716                     Hal4Ctxt->Hal4NextState = (NFCSTATUS_PENDING == status?
717                                                         eHal4StateConfiguring:
718                                                     Hal4Ctxt->Hal4NextState);
719                 }
720             }
721             /*More discovery info available ,get next info from HCI*/
722             else if((NFCSTATUS_MULTIPLE_TAGS == status)
723                 &&(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices
724                      < MAX_REMOTE_DEVICES))
725             {
726                 status = phHciNfc_Select_Next_Target (
727                     Hal4Ctxt->psHciHandle,
728                     (void *)gpphHal4Nfc_Hwref
729                     );
730             }
731             else/*Failed discovery ,restart discovery*/
732             {
733                 Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
734                 PHDBG_INFO("Hal4:Restart discovery2");
735                 status = phHciNfc_Restart_Discovery (
736                                         (void *)Hal4Ctxt->psHciHandle,
737                                         (void *)gpphHal4Nfc_Hwref,
738                                         FALSE
739                                         );/*Restart Discovery wheel*/
740                 Hal4Ctxt->Hal4NextState = (NFCSTATUS_PENDING == status?
741                                                 eHal4StateConfiguring:
742                                                 Hal4Ctxt->Hal4NextState);
743             }
744         }/*if((NULL != Hal4Ctxt->sUpperLayerInfo.pP2PNotification)...*/
745         /*Notify if Upper layer is interested in tag notifications,also notify
746           P2p if its in the list with other tags*/
747         else if(NULL != Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification)
748         {
749             PHDBG_INFO("Hal4:Trying to notify Tag notification");
750             /*Multiple tags in field, get discovery info a second time for the
751               other devices*/
752             if((NFCSTATUS_MULTIPLE_TAGS == status)
753                 &&(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices < MAX_REMOTE_DEVICES))
754             {
755                 PHDBG_INFO("Hal4:select next target1");
756                 status = phHciNfc_Select_Next_Target (
757                                                     Hal4Ctxt->psHciHandle,
758                                                     (void *)gpphHal4Nfc_Hwref
759                                                     );
760             }
761             /*Single tag multiple protocols scenario,Notify Multiple Protocols
762               status to upper layer*/
763             else if(status == NFCSTATUS_MULTIPLE_PROTOCOLS)
764             {
765                 PHDBG_INFO("Hal4:Multiple Tags or protocols");
766                 sDiscoveryInfo.NumberOfDevices
767                     = Hal4Ctxt->psADDCtxtInfo->nbr_of_devices;
768                 sDiscoveryInfo.ppRemoteDevInfo = Hal4Ctxt->rem_dev_list;
769                 uNotificationInfo.psDiscoveryInfo = &sDiscoveryInfo;
770                 (*Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification)(
771                             (void *)(Hal4Ctxt->sUpperLayerInfo.DiscoveryCtxt),
772                             NFC_DISCOVERY_NOTIFICATION,
773                             uNotificationInfo,
774                             status
775                             );
776             }
777             else /*NFCSTATUS_SUCCESS*/
778             {
779                 if(((Hal4Ctxt->psADDCtxtInfo->nbr_of_devices == 1)
780                      &&(phHal_eNfcIP1_Target
781                      == Hal4Ctxt->rem_dev_list[0]->RemDevType))
782                      ||(NFCSTATUS_SUCCESS != status)
783                      || (Hal4Ctxt->psADDCtxtInfo->nbr_of_devices == 0)
784                      )/*device detected but upper layer is not interested
785                        in the type(P2P) or activate next failed*/
786                 {
787                     while(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices > 0)
788                     {
789                         phOsalNfc_FreeMemory(Hal4Ctxt->rem_dev_list[
790                             --Hal4Ctxt->psADDCtxtInfo->nbr_of_devices]);
791                         Hal4Ctxt->rem_dev_list[
792                             Hal4Ctxt->psADDCtxtInfo->nbr_of_devices] = NULL;
793                     }
794                     PHDBG_INFO("Hal4:Restart discovery3");
795                     status = phHciNfc_Restart_Discovery (
796                         (void *)Hal4Ctxt->psHciHandle,
797                         (void *)gpphHal4Nfc_Hwref,
798                         FALSE
799                         );/*Restart Discovery wheel*/
800                     Hal4Ctxt->Hal4NextState = (
801                         NFCSTATUS_PENDING == status?eHal4StateConfiguring
802                                                     :Hal4Ctxt->Hal4NextState
803                                                     );
804                 }
805                 else/*All remote device info available.Notify to upper layer*/
806                 {
807                     /*Update status for MULTIPLE_TAGS here*/
808                     status = (Hal4Ctxt->psADDCtxtInfo->nbr_of_devices > 1?
809                                 NFCSTATUS_MULTIPLE_TAGS:status);
810                     /*If listener is registered ,call it*/
811                     sDiscoveryInfo.NumberOfDevices
812                         = Hal4Ctxt->psADDCtxtInfo->nbr_of_devices;
813                     sDiscoveryInfo.ppRemoteDevInfo
814                         = Hal4Ctxt->rem_dev_list;
815                     uNotificationInfo.psDiscoveryInfo = &sDiscoveryInfo;
816                     PHDBG_INFO("Hal4:Calling Discovery Handler1");
817                     (*Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification)(
818                         (void *)(Hal4Ctxt->sUpperLayerInfo.DiscoveryCtxt),
819                         NFC_DISCOVERY_NOTIFICATION,
820                         uNotificationInfo,
821                         status
822                         );
823                 }
824             }
825         } /*else if(NULL != Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification)*/
826         else/*listener not registered ,Restart Discovery wheel*/
827         {
828             PHDBG_INFO("Hal4:No listener registered.Ignoring Discovery  \
829                         Notification");
830             Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
831             PHDBG_INFO("Hal4:Restart discovery4");
832             status = phHciNfc_Restart_Discovery (
833                                 (void *)Hal4Ctxt->psHciHandle,
834                                 (void *)gpphHal4Nfc_Hwref,
835                                 FALSE
836                                 );
837             Hal4Ctxt->Hal4NextState = (NFCSTATUS_PENDING == status?
838                                                 eHal4StateConfiguring:
839                                             Hal4Ctxt->Hal4NextState);
840         }
841     }/*if(NULL != ((phNfc_sCompletionInfo_t *)pInfo)->info)*/
842     else/*NULL info received*/
843     {
844         sDiscoveryInfo.NumberOfDevices
845             = Hal4Ctxt->psADDCtxtInfo->nbr_of_devices;
846         sDiscoveryInfo.ppRemoteDevInfo = Hal4Ctxt->rem_dev_list;
847         uNotificationInfo.psDiscoveryInfo = &sDiscoveryInfo;
848         /*If Discovery info is available from previous notifications try to
849           notify that to the upper layer*/
850         if((NULL != Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification)
851 #ifdef NFC_RF_NOISE_SW
852           &&((NFCSTATUS_SUCCESS == status)
853             || (NFCSTATUS_MULTIPLE_TAGS == status))
854 #endif /* #ifdef NFC_RF_NOISE_SW */
855             )
856         {
857 #ifndef NFC_RF_NOISE_SW
858             status = (((NFCSTATUS_SUCCESS != status)
859                   && (NFCSTATUS_MULTIPLE_TAGS != status))
860                    &&(Hal4Ctxt->psADDCtxtInfo->nbr_of_devices != 0))?
861                     NFCSTATUS_SUCCESS:status;
862 #endif/*#ifndef NFC_RF_NOISE_SW*/
863             PHDBG_INFO("Hal4:Calling Discovery Handler2");
864             (*Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification)(
865                 (void *)(Hal4Ctxt->sUpperLayerInfo.DiscoveryCtxt),
866                 NFC_DISCOVERY_NOTIFICATION,
867                 uNotificationInfo,
868                 status
869                 );
870         }
871         else/*Restart Discovery wheel*/
872         {
873             Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
874             PHDBG_INFO("Hal4:Restart discovery5");
875             status = phHciNfc_Restart_Discovery (
876                 (void *)Hal4Ctxt->psHciHandle,
877                 (void *)gpphHal4Nfc_Hwref,
878                 FALSE
879                 );
880             Hal4Ctxt->Hal4NextState = (NFCSTATUS_PENDING == status?
881                                    eHal4StateConfiguring:Hal4Ctxt->Hal4NextState);
882         }
883     }/*else*/
884     return;
885 }
886 
887 
888 /**Register Notification handlers*/
phHal4Nfc_RegisterNotification(phHal_sHwReference_t * psHwReference,phHal4Nfc_RegisterType_t eRegisterType,pphHal4Nfc_Notification_t pNotificationHandler,void * Context)889 NFCSTATUS phHal4Nfc_RegisterNotification(
890                         phHal_sHwReference_t         *psHwReference,
891                         phHal4Nfc_RegisterType_t      eRegisterType,
892                         pphHal4Nfc_Notification_t     pNotificationHandler,
893                         void                         *Context
894                         )
895 {
896     NFCSTATUS RetStatus = NFCSTATUS_SUCCESS;
897     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
898     if(NULL == pNotificationHandler || NULL == psHwReference)
899     {
900         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
901         RetStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_INVALID_PARAMETER);
902     }
903     else if((NULL == psHwReference->hal_context)
904                         || (((phHal4Nfc_Hal4Ctxt_t *)
905                                 psHwReference->hal_context)->Hal4CurrentState
906                                                < eHal4StateOpenAndReady)
907                         || (((phHal4Nfc_Hal4Ctxt_t *)
908                                 psHwReference->hal_context)->Hal4NextState
909                                                == eHal4StateClosed))
910     {
911         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
912         RetStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
913     }
914     else
915     {
916         /*Extract context from hardware reference*/
917         Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)psHwReference->hal_context;
918         switch(eRegisterType)
919         {
920             case eRegisterTagDiscovery:
921                 Hal4Ctxt->sUpperLayerInfo.DiscoveryCtxt = Context;
922                 Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification
923                     = pNotificationHandler;  /*Register the tag Notification*/
924                 break;
925             case eRegisterP2PDiscovery:
926                 Hal4Ctxt->sUpperLayerInfo.P2PDiscoveryCtxt = Context;
927                 Hal4Ctxt->sUpperLayerInfo.pP2PNotification
928                     = pNotificationHandler;  /*Register the P2P Notification*/
929                 break;
930             case eRegisterHostCardEmulation:
931                 RetStatus = NFCSTATUS_FEATURE_NOT_SUPPORTED;
932                 break;
933             case eRegisterSecureElement:
934                 Hal4Ctxt->sUpperLayerInfo.EventNotificationCtxt = Context;
935                 Hal4Ctxt->sUpperLayerInfo.pEventNotification
936                        = pNotificationHandler; /*Register the Se Notification*/
937                 break;
938             default:
939                 Hal4Ctxt->sUpperLayerInfo.DefaultListenerCtxt = Context;
940                 Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler
941                     = pNotificationHandler;  /*Register the default Notification*/
942                 break;
943         }
944         PHDBG_INFO("Hal4:listener registered");
945     }
946     return RetStatus;
947 }
948 
949 
950 /**Unregister Notification handlers*/
phHal4Nfc_UnregisterNotification(phHal_sHwReference_t * psHwReference,phHal4Nfc_RegisterType_t eRegisterType,void * Context)951 NFCSTATUS phHal4Nfc_UnregisterNotification(
952                                   phHal_sHwReference_t     *psHwReference,
953                                   phHal4Nfc_RegisterType_t  eRegisterType,
954                                   void                     *Context
955                                   )
956 {
957     NFCSTATUS RetStatus = NFCSTATUS_SUCCESS;
958     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
959     if(psHwReference == NULL)
960     {
961         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
962         RetStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_INVALID_PARAMETER);
963     }
964     else if((NULL == psHwReference->hal_context)
965                         || (((phHal4Nfc_Hal4Ctxt_t *)
966                                 psHwReference->hal_context)->Hal4CurrentState
967                                                < eHal4StateOpenAndReady)
968                         || (((phHal4Nfc_Hal4Ctxt_t *)
969                                 psHwReference->hal_context)->Hal4NextState
970                                                == eHal4StateClosed))
971     {
972         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
973         RetStatus = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
974     }
975     else
976     {
977         /*Extract context from hardware reference*/
978         Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)psHwReference->hal_context;
979         switch(eRegisterType)
980         {
981         case eRegisterTagDiscovery:
982             Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = Context;
983             Hal4Ctxt->sUpperLayerInfo.DiscoveryCtxt = NULL;
984             /*UnRegister the tag Notification*/
985             Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification = NULL;
986             PHDBG_INFO("Hal4:Tag Discovery Listener Unregistered");
987             break;
988         case eRegisterP2PDiscovery:
989             Hal4Ctxt->sUpperLayerInfo.P2PDiscoveryCtxt = NULL;
990             /*UnRegister the p2p Notification*/
991             Hal4Ctxt->sUpperLayerInfo.pP2PNotification = NULL;
992             PHDBG_INFO("Hal4:P2P Discovery Listener Unregistered");
993             break;
994         case eRegisterHostCardEmulation:/*RFU*/
995             RetStatus = NFCSTATUS_FEATURE_NOT_SUPPORTED;
996             break;
997             /*UnRegister the Se Notification*/
998         case eRegisterSecureElement:
999             Hal4Ctxt->sUpperLayerInfo.EventNotificationCtxt = NULL;
1000             Hal4Ctxt->sUpperLayerInfo.pEventNotification = NULL;
1001             PHDBG_INFO("Hal4:SE Listener Unregistered");
1002             break;
1003         default:
1004             Hal4Ctxt->sUpperLayerInfo.DefaultListenerCtxt = NULL;
1005             /*UnRegister the default Notification*/
1006             Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler = NULL;
1007             PHDBG_INFO("Hal4:Default Listener Unregistered");
1008             break;
1009         }
1010     }
1011     return RetStatus;
1012 }
1013 
1014 
1015