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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 
18 /*!
19 * =========================================================================== *
20 *                                                                             *
21 *                                                                             *
22 * \file  phHciNfc_Generic.c                                                   *
23 * \brief Generic HCI Source for the HCI Management.                           *
24 *                                                                             *
25 *                                                                             *
26 * Project: NFC-FRI-1.1                                                        *
27 *                                                                             *
28 * $Date: Tue Jun  8 09:31:49 2010 $                                           *
29 * $Author: ing04880 $                                                         *
30 * $Revision: 1.108 $                                                           *
31 * $Aliases: NFC_FRI1.1_WK1023_R35_1 $
32 *                                                                             *
33 * =========================================================================== *
34 */
35 
36 /*
37 ################################################################################
38 ***************************** Header File Inclusion ****************************
39 ################################################################################
40 */
41 
42 #include <phNfcCompId.h>
43 #include <phHciNfc_Sequence.h>
44 #include <phHciNfc_Pipe.h>
45 #include <phHciNfc_AdminMgmt.h>
46 #include <phHciNfc_IDMgmt.h>
47 #include <phHciNfc_LinkMgmt.h>
48 #include <phHciNfc_PollingLoop.h>
49 #include <phHciNfc_RFReader.h>
50 #include <phHciNfc_RFReaderA.h>
51 #include <phOsalNfc.h>
52 
53 /*
54 ################################################################################
55 ****************************** Macro Definitions *******************************
56 ################################################################################
57 */
58 
59 /* HCI timeout value */
60 uint32_t nxp_nfc_hci_response_timeout = NXP_NFC_HCI_TIMEOUT;
61 
62 /*
63 ################################################################################
64 ************************ Static Variable Definitions ***************************
65 ################################################################################
66 */
67 
68 
69 #if  (NXP_NFC_HCI_TIMER == 1)
70 
71 #define NXP_HCI_RESPONSE_TIMEOUT  (NXP_NFC_HCI_TIMEOUT)
72 
73 #include <phOsalNfc_Timer.h>
74 /** \internal HCI Response Timer to detect the
75  * Stalled HCI Response */
76 static uint32_t                    hci_resp_timer_id = NXP_INVALID_TIMER_ID;
77 static phHciNfc_sContext_t        *gpsHciContext= NULL;
78 
79 #endif /* (NXP_NFC_HCI_TIMER == 1) */
80 
81 
82 /*
83 ################################################################################
84 ************************* Function Prototype Declaration ***********************
85 ################################################################################
86 */
87 
88 #if  (NXP_NFC_HCI_TIMER == 1)
89 
90 static
91 void
92 phHciNfc_Response_Timeout (
93                 uint32_t resp_timer_id
94                 );
95 
96 #endif /* (NXP_NFC_HCI_TIMER == 1) */
97 
98 /**
99  * \ingroup grp_hci_nfc
100  *
101  *  The phHciNfc_Send function sends the HCI Commands to the
102  *  corresponding peripheral device, described by the HCI Context Structure.
103  *
104  *  \param[in]  psContext               psContext is the context of
105  *                                      the HCI Layer.
106  *  \param[in]  pHwRef                  pHwRef is the Information of
107  *                                      the Device Interface Link .
108  *  \param[in]  pdata                   Pointer to the buffer containing
109  *                                      the command to be sent.
110  *  \param[in] length                   Variable that receives
111  *                                      the number of bytes actually sent.
112  *
113  *  \retval NFCSTATUS_PENDING           Command successfully sent.
114  *  \retval NFCSTATUS_INVALID_PARAMETER One or more of the supplied parameters
115  *                                      could not be interpreted properly.
116  *  \retval Other errors                Errors related to the lower layers
117  *
118  */
119 
120 static
121  NFCSTATUS
122  phHciNfc_Send(
123                     void                    *psContext,
124                     void                    *pHwRef,
125                     uint8_t                 *pdata,
126 #ifdef ONE_BYTE_LEN
127                     uint8_t                 length
128 #else
129                     uint16_t                length
130 #endif
131               );
132 
133  static
134  NFCSTATUS
135  phHciNfc_Process_HCP (
136                                 phHciNfc_sContext_t     *psHciContext,
137                                 void                    *pHwRef,
138                                 void                    *pdata,
139 #ifdef ONE_BYTE_LEN
140                                 uint8_t                 length
141 #else
142                                 uint16_t                length
143 #endif
144                       );
145 
146 
147 static
148 NFCSTATUS
149 phHciNfc_Process_Response (
150                                 phHciNfc_sContext_t     *psHciContext,
151                                 void                    *pHwRef,
152                                 void                    *pdata,
153 #ifdef ONE_BYTE_LEN
154                                 uint8_t                 length
155 #else
156                                 uint16_t                length
157 #endif
158                          );
159 
160 static
161 NFCSTATUS
162 phHciNfc_Error_Response (
163                                 phHciNfc_sContext_t     *psHciContext,
164                                 void                    *pHwRef,
165                                 void                    *pdata,
166 #ifdef ONE_BYTE_LEN
167                                 uint8_t                 length
168 #else
169                                 uint16_t                length
170 #endif
171                          );
172 
173 static
174 NFCSTATUS
175 phHciNfc_Process_Event (
176                                 phHciNfc_sContext_t     *psHciContext,
177                                 void                    *pHwRef,
178                                 void                    *pdata,
179 #ifdef ONE_BYTE_LEN
180                                 uint8_t                 length
181 #else
182                                 uint16_t                length
183 #endif
184                          );
185 
186 
187 static
188 NFCSTATUS
189 phHciNfc_Process_Command (
190                                 phHciNfc_sContext_t     *psHciContext,
191                                 void                    *pHwRef,
192                                 void                    *pdata,
193 #ifdef ONE_BYTE_LEN
194                                 uint8_t                 length
195 #else
196                                 uint16_t                length
197 #endif
198                          );
199 
200 
201 static
202 void
203 phHciNfc_Reset_Pipe_MsgInfo(
204                             phHciNfc_Pipe_Info_t    *p_pipe_info
205                         );
206 
207 static
208 void
209 phHciNfc_Build_HCPMessage(
210                                 phHciNfc_HCP_Packet_t *hcp_packet,
211                                 uint8_t             msg_type,
212                                 uint8_t             instruction
213                           );
214 
215 static
216 void
217 phHciNfc_Build_HCPHeader(
218                                 phHciNfc_HCP_Packet_t *hcp_packet,
219                                 uint8_t             chainbit,
220                                 uint8_t             pipe_id
221                           );
222 /**
223  * \ingroup grp_hci_nfc
224  *
225  *  The phHciNfc_Receive_HCP function receive the HCI Host Control Packet
226  *  Frames from the device.
227  *
228  *  \param[in]  psHciContext            psHciContext is the context of
229  *                                      the HCI Layer.
230  *  \param[in]  pHwRef                  pHwRef is the Information of
231  *                                      the Device Interface Link .
232  *  \param[in] pdata                    Pointer to the response buffer that
233  *                                      receives the response read.
234  *  \param[in] length                   Variable that receives
235  *                                      the number of bytes read.
236  *
237  *  \retval NFCSTATUS_PENDING           HCP Frame receive pending.
238  *  \retval NFCSTATUS_INVALID_PARAMETER One or more of the supplied parameters
239  *                                      could not be interpreted properly.
240  *  \retval Other errors                Other related errors
241  *
242  *
243  */
244 
245 
246 static
247 NFCSTATUS
248 phHciNfc_Receive_HCP (
249                             phHciNfc_sContext_t     *psHciContext,
250                             void                    *pHwRef,
251                             uint8_t                 *pdata,
252 #ifdef ONE_BYTE_LEN
253                             uint8_t                 length
254 #else
255                             uint16_t                length
256 #endif
257                      );
258 
259 
260 /*
261 ################################################################################
262 ***************************** Function Definitions *****************************
263 ################################################################################
264 */
265 
266 
267 #if  (NXP_NFC_HCI_TIMER == 1)
268 
269 static
270 void
phHciNfc_Response_Timeout(uint32_t resp_timer_id)271 phHciNfc_Response_Timeout (
272                     uint32_t resp_timer_id
273                 )
274 {
275     phNfc_sCompletionInfo_t  comp_info = {0};
276 
277     if ( ( NULL != gpsHciContext)
278             && (resp_timer_id == hci_resp_timer_id ))
279     {
280         pphNfcIF_Notification_CB_t  p_upper_notify =
281             gpsHciContext->p_upper_notify;
282         void                        *p_upper_context =
283                                 gpsHciContext->p_upper_context;
284         phHal_sHwReference_t        *pHwRef = gpsHciContext->p_hw_ref;
285 		uint32_t				i = 0;
286 
287 
288         HCI_DEBUG(" HCI TIMEOUT: HCI Response Timeout Occurred in %X Timer\n"
289                                                                  ,resp_timer_id);
290         /* Stop the Response Timer */
291         phOsalNfc_Timer_Stop( hci_resp_timer_id );
292 
293 		comp_info.status = PHNFCSTVAL(CID_NFC_HCI,
294                         NFCSTATUS_BOARD_COMMUNICATION_ERROR);
295         /* Roll Back to the Select State */
296         phHciNfc_FSM_Rollback(gpsHciContext);
297 
298 		for(i=0;i < PHHCINFC_MAX_PIPE; i++)
299 		{
300 			phHciNfc_Reset_Pipe_MsgInfo(gpsHciContext->p_pipe_list[i]);
301 		}
302 
303         /* Notify the Error/Success Scenario to the upper layer */
304         phHciNfc_Notify( p_upper_notify, p_upper_context,
305                     pHwRef, (uint8_t) NFC_NOTIFY_DEVICE_ERROR, &comp_info );
306     }
307 
308     return ;
309 
310 }
311 
312 #endif /* (NXP_NFC_HCI_TIMER == 1) */
313 
314 
315 
316 /*!
317  * \brief Allocation of the HCI Interface resources.
318  *
319  * This function releases and frees all the resources used by HCI Command and
320  * Response Mechanism
321  */
322 
323  NFCSTATUS
phHciNfc_Allocate_Resource(void ** ppBuffer,uint16_t size)324  phHciNfc_Allocate_Resource (
325                                 void                **ppBuffer,
326                                 uint16_t            size
327                             )
328 {
329     NFCSTATUS           status = NFCSTATUS_SUCCESS;
330 
331     *ppBuffer = (void *) phOsalNfc_GetMemory(size);
332     if( *ppBuffer != NULL )
333     {
334         (void )memset(((void *)*ppBuffer), 0,
335                                     size);
336     }
337     else
338     {
339         *ppBuffer = NULL;
340         status = PHNFCSTVAL(CID_NFC_HCI,
341                         NFCSTATUS_INSUFFICIENT_RESOURCES);
342     }
343     return status;
344 }
345 
346 
347 
348 /*!
349  * \brief Release of the HCI Interface resources.
350  *
351  * This function releases and frees all the resources used by HCI Command and
352  * Response Mechanism
353  */
354  void
phHciNfc_Release_Resources(phHciNfc_sContext_t ** ppsHciContext)355  phHciNfc_Release_Resources (
356                                 phHciNfc_sContext_t **ppsHciContext
357                             )
358 {
359     uint8_t i = 0;
360 
361 
362 #if  (NXP_NFC_HCI_TIMER == 1)
363 
364     if ( NXP_INVALID_TIMER_ID != hci_resp_timer_id )
365     {
366         /* Stop and Un-Intialise the Response Timer */
367         phOsalNfc_Timer_Stop( hci_resp_timer_id );
368         phOsalNfc_Timer_Delete( hci_resp_timer_id );
369         HCI_DEBUG(" HCI : Timer %X Stopped and Released\n",
370                                             hci_resp_timer_id);
371         hci_resp_timer_id = NXP_INVALID_TIMER_ID;
372     }
373     gpsHciContext = NULL;
374 
375 #endif /* (NXP_NFC_HCI_TIMER == 1) */
376 
377 
378     if(NULL != (*ppsHciContext)->p_admin_info)
379     {
380         phOsalNfc_FreeMemory((*ppsHciContext)->p_admin_info);
381         (*ppsHciContext)->p_admin_info = NULL;
382     }
383     if(NULL !=(*ppsHciContext)->p_link_mgmt_info)
384     {
385         phOsalNfc_FreeMemory((*ppsHciContext)->p_link_mgmt_info);
386         (*ppsHciContext)->p_link_mgmt_info = NULL;
387     }
388     if(NULL !=(*ppsHciContext)->p_identity_info)
389     {
390         phOsalNfc_FreeMemory((*ppsHciContext)->p_identity_info);
391         (*ppsHciContext)->p_identity_info = NULL;
392     }
393     if(NULL !=(*ppsHciContext)->p_device_mgmt_info)
394     {
395         phOsalNfc_FreeMemory((*ppsHciContext)->p_device_mgmt_info);
396         (*ppsHciContext)->p_device_mgmt_info = NULL;
397     }
398     if(NULL !=(*ppsHciContext)->p_reader_mgmt_info)
399     {
400         phOsalNfc_FreeMemory((*ppsHciContext)->p_reader_mgmt_info);
401         (*ppsHciContext)->p_reader_mgmt_info = NULL;
402     }
403     if(NULL !=(*ppsHciContext)->p_poll_loop_info)
404     {
405         phOsalNfc_FreeMemory((*ppsHciContext)->p_poll_loop_info);
406         (*ppsHciContext)->p_poll_loop_info = NULL;
407     }
408     if(NULL !=(*ppsHciContext)->p_reader_a_info)
409     {
410         phOsalNfc_FreeMemory((*ppsHciContext)->p_reader_a_info);
411         (*ppsHciContext)->p_reader_a_info = NULL;
412     }
413 #ifdef TYPE_B
414     if(NULL !=(*ppsHciContext)->p_reader_b_info)
415     {
416         phOsalNfc_FreeMemory((*ppsHciContext)->p_reader_b_info);
417         (*ppsHciContext)->p_reader_b_info = NULL;
418     }
419 #endif
420 #ifdef TYPE_FELICA
421     if(NULL !=(*ppsHciContext)->p_felica_info)
422     {
423         phOsalNfc_FreeMemory((*ppsHciContext)->p_felica_info);
424         (*ppsHciContext)->p_felica_info = NULL;
425     }
426 #endif
427 #ifdef TYPE_JEWEL
428     if(NULL !=(*ppsHciContext)->p_jewel_info)
429     {
430         phOsalNfc_FreeMemory((*ppsHciContext)->p_jewel_info);
431         (*ppsHciContext)->p_jewel_info = NULL;
432     }
433 #endif
434 #ifdef  TYPE_ISO15693
435     if(NULL !=(*ppsHciContext)->p_iso_15693_info)
436     {
437         phOsalNfc_FreeMemory((*ppsHciContext)->p_iso_15693_info);
438         (*ppsHciContext)->p_iso_15693_info = NULL;
439     }
440 #endif /* #ifdef    TYPE_ISO15693 */
441 #ifdef ENABLE_P2P
442     if(NULL !=(*ppsHciContext)->p_nfcip_info)
443     {
444         phOsalNfc_FreeMemory((*ppsHciContext)->p_nfcip_info);
445         (*ppsHciContext)->p_nfcip_info = NULL;
446     }
447 #endif
448     if(NULL !=(*ppsHciContext)->p_emulation_mgmt_info)
449     {
450         phOsalNfc_FreeMemory((*ppsHciContext)->p_emulation_mgmt_info);
451         (*ppsHciContext)->p_emulation_mgmt_info = NULL;
452     }
453     if(NULL !=(*ppsHciContext)->p_wi_info)
454     {
455         phOsalNfc_FreeMemory((*ppsHciContext)->p_wi_info);
456         (*ppsHciContext)->p_wi_info = NULL;
457     }
458     if(NULL !=(*ppsHciContext)->p_swp_info)
459     {
460         phOsalNfc_FreeMemory((*ppsHciContext)->p_swp_info);
461         (*ppsHciContext)->p_swp_info = NULL;
462     }
463     if(NULL !=(*ppsHciContext)->p_uicc_info)
464     {
465         phOsalNfc_FreeMemory((*ppsHciContext)->p_uicc_info);
466         (*ppsHciContext)->p_uicc_info = NULL;
467     }
468 #ifdef HOST_EMULATION
469     if(NULL !=(*ppsHciContext)->p_ce_a_info)
470     {
471         phOsalNfc_FreeMemory((*ppsHciContext)->p_ce_a_info);
472         (*ppsHciContext)->p_ce_a_info = NULL;
473     }
474     if(NULL !=(*ppsHciContext)->p_ce_b_info)
475     {
476         phOsalNfc_FreeMemory((*ppsHciContext)->p_ce_b_info);
477         (*ppsHciContext)->p_ce_b_info = NULL;
478     }
479 #endif
480 
481     for(i=0;i < PHHCINFC_MAX_PIPE; i++)
482     {
483         if(NULL != (*ppsHciContext)->p_pipe_list[i])
484         {
485             phOsalNfc_FreeMemory((*ppsHciContext)->p_pipe_list[i]);
486         }
487     }
488 
489 
490     phOsalNfc_FreeMemory((*ppsHciContext));
491     (*ppsHciContext) = NULL;
492 
493     return ;
494 }
495 
496 static
497 void
phHciNfc_Reset_Pipe_MsgInfo(phHciNfc_Pipe_Info_t * p_pipe_info)498 phHciNfc_Reset_Pipe_MsgInfo(
499                             phHciNfc_Pipe_Info_t    *p_pipe_info
500                         )
501 {
502     if (p_pipe_info != NULL)
503     {
504         p_pipe_info->sent_msg_type = HCP_MSG_TYPE_RESERVED;
505         p_pipe_info->prev_msg = MSG_INSTRUCTION_UNKNWON;
506         p_pipe_info->prev_status = NFCSTATUS_INVALID_HCI_INSTRUCTION;
507         p_pipe_info->param_info = NULL;
508         p_pipe_info->param_length = FALSE ;
509     }
510     return;
511 }
512 
513 
514 void
phHciNfc_Release_Lower(phHciNfc_sContext_t * psHciContext,void * pHwRef)515 phHciNfc_Release_Lower(
516                     phHciNfc_sContext_t         *psHciContext,
517                     void                        *pHwRef
518                )
519 {
520     phNfc_sLowerIF_t            *plower_if =
521                                     &(psHciContext->lower_interface);
522     NFCSTATUS            status = NFCSTATUS_SUCCESS;
523 
524     PHNFC_UNUSED_VARIABLE(status);
525     if(NULL != plower_if->release)
526     {
527         status = plower_if->release((void *)plower_if->pcontext,
528                                         (void *)pHwRef);
529         (void) memset((void *)plower_if, 0, sizeof(phNfc_sLowerIF_t));
530         HCI_DEBUG(" HCI Releasing the Lower Layer Resources: Status = %02X\n"
531                                                                     ,status);
532     }
533 
534     return;
535 }
536 
537 
538 
539 /*!
540  * \brief Sends the HCI Commands to the corresponding peripheral device.
541  *
542  * This function sends the HCI Commands to the connected NFC Pheripheral device
543  */
544  static
545  NFCSTATUS
phHciNfc_Send(void * psContext,void * pHwRef,uint8_t * pdata,uint8_t length)546  phHciNfc_Send (
547                       void                  *psContext,
548                       void                  *pHwRef,
549                       uint8_t               *pdata,
550 #ifdef ONE_BYTE_LEN
551                       uint8_t               length
552 #else
553                       uint16_t              length
554 #endif
555                      )
556 {
557     phHciNfc_sContext_t     *psHciContext= (phHciNfc_sContext_t  *)psContext;
558     NFCSTATUS               status = NFCSTATUS_SUCCESS;
559 
560     phNfc_sLowerIF_t        *plower_if = &(psHciContext->lower_interface);
561 
562     if( (NULL != plower_if)
563         && (NULL != plower_if->send)
564       )
565     {
566         HCI_DEBUG("HCI: In Function: %s \n", __FUNCTION__);
567         HCI_DEBUG("HCI: Response Pending status --> %s \n",
568             (psHciContext->response_pending)?"TRUE":"FALSE");
569         HCI_PRINT_BUFFER("Send Buffer",pdata,length);
570         /* psHciContext->hci_transact_state = NFC_TRANSACT_SEND_IN_PROGRESS; */
571 
572 #if  (NXP_NFC_HCI_TIMER == 1)
573 
574     if (
575         (TRUE != psHciContext->tx_hcp_chaining)
576         &&  (TRUE == psHciContext->response_pending)
577         && ( NXP_INVALID_TIMER_ID != hci_resp_timer_id )
578        )
579     {
580         /* Start the HCI Response Timer */
581         phOsalNfc_Timer_Start( hci_resp_timer_id,
582                 nxp_nfc_hci_response_timeout, phHciNfc_Response_Timeout, NULL );
583         HCI_DEBUG(" HCI : Timer %X Started \n", hci_resp_timer_id);
584     }
585 
586 #endif /* (NXP_NFC_HCI_TIMER == 1) */
587 
588         status = plower_if->send((void *)plower_if->pcontext,
589                                 (void *)pHwRef, pdata, length);
590     }
591 
592     return status;
593 }
594 
595 
596 /*!
597  * \brief Receives the HCI Response from the corresponding peripheral device.
598  *
599  * This function receives the HCI Command Response to the connected NFC
600  * Pheripheral device.
601  */
602 
603 NFCSTATUS
phHciNfc_Receive(void * psContext,void * pHwRef,uint8_t * pdata,uint8_t length)604 phHciNfc_Receive(
605                         void                *psContext,
606                         void                *pHwRef,
607                         uint8_t             *pdata,
608 #ifdef ONE_BYTE_LEN
609                         uint8_t             length
610 #else
611                         uint16_t            length
612 #endif
613                     )
614 {
615     phHciNfc_sContext_t     *psHciContext= (phHciNfc_sContext_t  *)psContext;
616     phNfc_sLowerIF_t *plower_if = NULL ;
617     NFCSTATUS         status = NFCSTATUS_SUCCESS;
618 
619     if(NULL == psHciContext )
620     {
621         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER);
622     }
623     else
624     {
625         plower_if = &(psHciContext->lower_interface);
626 
627         if( (NULL != plower_if)
628             && (NULL != plower_if->receive)
629           )
630         {
631             /* psHciContext->hci_transact_state = NFC_TRANSACT_RECV_IN_PROGRESS; */
632             status = plower_if->receive((void *)plower_if->pcontext,
633                                     (void *)pHwRef, pdata, length);
634         }
635     }
636     return status;
637 }
638 
639 
640 /*!
641  * \brief Sends the HCP Packet to the lower link layer .
642  *
643  * This function Sends the HCI Data in the HCP packet format to the below
644  * Link layer.
645  */
646 
647  NFCSTATUS
phHciNfc_Send_HCP(phHciNfc_sContext_t * psHciContext,void * pHwRef)648  phHciNfc_Send_HCP (
649                                 phHciNfc_sContext_t *psHciContext,
650                                 void                *pHwRef
651                    )
652 {
653     NFCSTATUS               status = NFCSTATUS_SUCCESS;
654     phHciNfc_HCP_Packet_t   *tx_data = (phHciNfc_HCP_Packet_t *)
655                                     psHciContext->send_buffer;
656     /* Skip the HCP Header Byte initially */
657     uint16_t                tx_length = psHciContext->tx_total - 1 ;
658     uint16_t                hcp_index = HCP_ZERO_LEN;
659     uint8_t                 pipe_id = (uint8_t) HCI_UNKNOWN_PIPE_ID;
660     static  uint8_t         chain_bit = HCP_CHAINBIT_DEFAULT;
661 
662     pipe_id =  (uint8_t) GET_BITS8( tx_data->hcp_header,
663         HCP_PIPEID_OFFSET, HCP_PIPEID_LEN);
664 
665     /* Fragmentation of the HCP Frames */
666     if ( tx_length > PHHCINFC_MAX_PACKET_DATA )
667     {
668         tx_data = &psHciContext->tx_packet;
669         (void)memset((void *)tx_data, FALSE,
670                         sizeof(phHciNfc_HCP_Packet_t));
671         if (HCP_CHAINBIT_DEFAULT == chain_bit)
672         {
673             /* HCI Chaining Needs to be Done */
674             psHciContext->tx_remain = tx_length;
675             psHciContext->tx_hcp_frgmnt_index = HCP_ZERO_LEN ;
676             chain_bit = HCP_CHAINBIT_BEGIN;
677             /* Increment the Fragment index to skip the HCP Header */
678             psHciContext->tx_hcp_frgmnt_index++;
679             psHciContext->tx_hcp_chaining = TRUE ;
680             tx_length = PHHCINFC_MAX_PACKET_DATA ;
681         }
682         else if ( psHciContext->tx_remain > PHHCINFC_MAX_PACKET_DATA )
683         {
684 			/* Intermediate Chained HCI Frames */
685             tx_length = PHHCINFC_MAX_PACKET_DATA ;
686         }
687         else
688         {
689             /* End of Chaining Reached */
690             chain_bit = HCP_CHAINBIT_END;
691             tx_length = psHciContext->tx_remain ;
692             psHciContext->tx_hcp_chaining = FALSE ;
693         }
694 
695         /* Build the HCP Header to have Chaining Enabled */
696         phHciNfc_Build_HCPHeader(tx_data, chain_bit , pipe_id );
697 
698         phHciNfc_Append_HCPFrame((uint8_t *)tx_data->msg.payload, hcp_index,
699             (&psHciContext->send_buffer[psHciContext->tx_hcp_frgmnt_index])
700             , tx_length );
701     }
702     else
703     {
704         /* No Chaining Required */
705         chain_bit = HCP_CHAINBIT_DEFAULT;
706 
707         psHciContext->tx_hcp_chaining = FALSE ;
708 
709         psHciContext->tx_remain = tx_length ;
710     }
711 
712     /* Include the Skipped HCP Header Byte */
713     tx_length++;
714 
715     status = phHciNfc_Send ( (void *) psHciContext, pHwRef,
716                         (uint8_t *)tx_data, tx_length );
717 
718     return status;
719 }
720 
721 
722 /*!
723  * \brief Receives the HCP Packet from the lower link layer .
724  *
725  * This function receives the HCI Data in the HCP packet format from the below
726  * Link layer.
727  */
728  static
729  NFCSTATUS
phHciNfc_Receive_HCP(phHciNfc_sContext_t * psHciContext,void * pHwRef,uint8_t * pdata,uint8_t length)730  phHciNfc_Receive_HCP (
731                                 phHciNfc_sContext_t *psHciContext,
732                                 void                *pHwRef,
733                                 uint8_t             *pdata,
734 #ifdef ONE_BYTE_LEN
735                                 uint8_t             length
736 #else
737                                 uint16_t            length
738 #endif
739                    )
740 {
741     NFCSTATUS               status = NFCSTATUS_SUCCESS;
742     phHciNfc_HCP_Packet_t   *packet = NULL;
743     uint8_t                 chainbit = HCP_CHAINBIT_DEFAULT;
744     uint16_t                hcp_index = 0;
745 
746     packet = (phHciNfc_HCP_Packet_t *)pdata;
747     chainbit = (uint8_t) GET_BITS8( packet->hcp_header,
748         HCP_CHAINBIT_OFFSET, HCP_CHAINBIT_LEN);
749     hcp_index = psHciContext->rx_hcp_frgmnt_index;
750     HCI_PRINT_BUFFER("Receive Buffer",((uint8_t *)pdata),length);
751     if (HCP_CHAINBIT_BEGIN == chainbit)
752     {
753         /* pdata = (uint8_t *)&psHciContext->rx_packet; */
754         /* De Fragmentation of the Received HCP Frames */
755         /* Subsequent Chaining Frames */
756         if( hcp_index  > 0 )
757         {
758             /* Copy the obtained fragment and receive the next fragment */
759             phHciNfc_Append_HCPFrame(
760                 psHciContext->recv_buffer, hcp_index,
761                     (uint8_t *)&pdata[HCP_MESSAGE_LEN],
762                             (length - HCP_MESSAGE_LEN) );
763             psHciContext->rx_hcp_frgmnt_index =(uint16_t)
764                         (hcp_index + length - HCP_MESSAGE_LEN);
765         }
766         /* First Chaining Frame*/
767         else
768         {
769             psHciContext->rx_hcp_chaining = TRUE ;
770             /* Copy the obtained fragment and receive the next fragment */
771             phHciNfc_Append_HCPFrame(psHciContext->recv_buffer,
772                 hcp_index, pdata, length);
773             psHciContext->rx_hcp_frgmnt_index = ( hcp_index + length ) ;
774 
775         }
776         status = phHciNfc_Receive ( (void *) psHciContext, pHwRef,
777                                                 pdata, length);
778     }
779     else
780     {
781         if(TRUE == psHciContext->rx_hcp_chaining)
782         {
783             /* If the chaining was done earlier */
784             psHciContext->rx_hcp_chaining = FALSE ;
785             /* Copy the Remaining buffer to the RX_BUFFER */
786             phHciNfc_Append_HCPFrame(
787                 psHciContext->recv_buffer, hcp_index,
788                     (uint8_t *)&pdata[HCP_MESSAGE_LEN],
789                             (length - HCP_MESSAGE_LEN) );
790             /* If there is chaining done the return the same data */
791             psHciContext->rx_total =
792                         (hcp_index + length - HCP_MESSAGE_LEN);
793             psHciContext->rx_hcp_frgmnt_index = FALSE ;
794         }
795         else
796         {
797             (void) memcpy( psHciContext->recv_buffer, pdata, length);
798             /* If there is no chaining done then return the same data */
799             psHciContext->rx_total = (hcp_index + length);
800 
801         }
802     }
803 
804     return status;
805 }
806 
807 
808 /*!
809  * \brief Receives the HCP Packet from the lower link layer .
810  *
811  * This function receives the HCI Data in the HCP packet format from the below
812  * Link layer.
813  */
814 
815  static
816  NFCSTATUS
phHciNfc_Process_HCP(phHciNfc_sContext_t * psHciContext,void * pHwRef,void * pdata,uint8_t length)817  phHciNfc_Process_HCP (
818                                 phHciNfc_sContext_t     *psHciContext,
819                                 void                    *pHwRef,
820                                 void                    *pdata,
821 #ifdef ONE_BYTE_LEN
822                                 uint8_t             length
823 #else
824                                 uint16_t            length
825 #endif
826                       )
827 {
828     phHciNfc_HCP_Packet_t   *packet = NULL;
829     phHciNfc_HCP_Message_t  *message = NULL;
830     NFCSTATUS               status = NFCSTATUS_SUCCESS;
831     uint8_t                 msg_type = 0;
832 
833     if( (NULL == pdata)
834         || ( length < HCP_HEADER_LEN )
835       )
836     {
837         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER);
838     }
839     else
840     {
841         status = phHciNfc_Receive_HCP( psHciContext, pHwRef, pdata, length );
842     }/* End of the Valid Data Handling */
843 
844     if( NFCSTATUS_SUCCESS  == status )
845     {
846         packet = (phHciNfc_HCP_Packet_t *)psHciContext->recv_buffer;
847         length =
848 #ifdef ONE_BYTE_LEN
849             (uint8_t)
850 #endif
851             psHciContext->rx_total ;
852         message = &packet->msg.message;
853         /* HCI_PRINT_BUFFER("Total Receive Buffer",((uint8_t *)pdata),length); */
854         msg_type = (uint8_t) GET_BITS8( message->msg_header,
855             HCP_MSG_TYPE_OFFSET, HCP_MSG_TYPE_LEN);
856         switch ( msg_type )
857         {
858             case HCP_MSG_TYPE_RESPONSE:
859             {
860                 status = phHciNfc_Process_Response( psHciContext,
861                                                 pHwRef, (void *)packet, length );
862                 break;
863             }
864             case HCP_MSG_TYPE_EVENT:
865             {
866                 status = phHciNfc_Process_Event( psHciContext,
867                                                 pHwRef,(void *)packet, length );
868                 break;
869             }
870             case HCP_MSG_TYPE_COMMAND:
871             {
872 
873                 status = phHciNfc_Process_Command( psHciContext,
874                                                 pHwRef, (void *)packet, length );
875                 break;
876             }
877             /* case HCP_MSG_TYPE_RESERVED: */
878             default:
879             {
880                 status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_RESPONSE);
881                 break;
882             }
883         }
884     }/* End of Receive HCP Status */
885     return status;
886 }
887 
888 
889  static
890  NFCSTATUS
phHciNfc_Process_Response(phHciNfc_sContext_t * psHciContext,void * pHwRef,void * pdata,uint8_t length)891  phHciNfc_Process_Response (
892                                  phHciNfc_sContext_t    *psHciContext,
893                                  void                   *pHwRef,
894                                  void                   *pdata,
895 #ifdef ONE_BYTE_LEN
896                                  uint8_t             length
897 #else
898                                  uint16_t            length
899 #endif
900                              )
901 {
902     phHciNfc_HCP_Packet_t   *packet = NULL;
903     phHciNfc_HCP_Message_t  *message = NULL;
904     uint8_t                 instruction=0;
905     uint8_t                 pipe_id = (uint8_t)HCI_UNKNOWN_PIPE_ID;
906     phHciNfc_Pipe_Info_t    *p_pipe_info = NULL;
907 
908     NFCSTATUS               status = NFCSTATUS_SUCCESS;
909 
910     packet = (phHciNfc_HCP_Packet_t *)pdata;
911     message = &packet->msg.message;
912     /* Get the instruction bits from the Message Header */
913     instruction = (uint8_t) GET_BITS8( message->msg_header,
914                                 HCP_MSG_INSTRUCTION_OFFSET, HCP_MSG_INSTRUCTION_LEN);
915     /* Get the Pipe ID from the HCP Header */
916     pipe_id =  (uint8_t) GET_BITS8( packet->hcp_header,
917                                 HCP_PIPEID_OFFSET, HCP_PIPEID_LEN);
918 
919 #if  (NXP_NFC_HCI_TIMER == 1)
920 
921     if ( NXP_INVALID_TIMER_ID != hci_resp_timer_id )
922     {
923         /* Stop the HCI Response Timer */
924         HCI_DEBUG(" HCI : Timer %X Stopped \n", hci_resp_timer_id);
925         phOsalNfc_Timer_Stop( hci_resp_timer_id );
926     }
927 
928 #endif /* (NXP_NFC_HCI_TIMER == 1) */
929 
930     if (pipe_id >=  PHHCINFC_MAX_PIPE )
931     {
932         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_INFORMATION);
933     }
934     else if( ((uint8_t) ANY_OK != instruction)
935         && ( (pipe_id !=    PIPETYPE_STATIC_ADMIN )
936         && ( ADM_CLEAR_ALL_PIPE != (psHciContext->p_pipe_list[pipe_id])->prev_msg ))
937         )
938     {
939         status = phHciNfc_Error_Response( psHciContext, pHwRef, pdata, length );
940     }
941     else
942     {
943         p_pipe_info = psHciContext->p_pipe_list[pipe_id];
944         if( ( NULL != p_pipe_info )
945             &&   ( HCP_MSG_TYPE_COMMAND == p_pipe_info->sent_msg_type  )
946             &&   ( NULL != p_pipe_info->recv_resp )
947         )
948         {
949             status = psHciContext->p_pipe_list[pipe_id]->recv_resp( psHciContext,
950                                                             pHwRef, pdata, length );
951         }
952         else
953         {
954             status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED);
955         }
956         /* There is no Pending Response */
957         psHciContext->response_pending = FALSE ;
958         HCI_DEBUG("HCI: Response Pending status --> FALSE, %s \n",
959             __FUNCTION__);
960         if( NFCSTATUS_SUCCESS == status )
961         {
962             phHciNfc_Reset_Pipe_MsgInfo(psHciContext->p_pipe_list[pipe_id]);
963             status = phHciNfc_Resume_Sequence(psHciContext, pHwRef);
964 
965         }/* End of Success Status validation */
966         else
967         {
968             HCI_DEBUG("HCI: Status --> %X \n", status );
969         }
970 
971     } /* End of the Valid Response handling */
972     return status;
973 }
974 
975 
976 static
977  NFCSTATUS
phHciNfc_Error_Response(phHciNfc_sContext_t * psHciContext,void * pHwRef,void * pdata,uint8_t length)978  phHciNfc_Error_Response (
979                                 phHciNfc_sContext_t     *psHciContext,
980                                 void                    *pHwRef,
981                                 void                    *pdata,
982 #ifdef ONE_BYTE_LEN
983                                 uint8_t                 length
984 #else
985                                 uint16_t                length
986 #endif
987                          )
988 {
989 
990     phHciNfc_HCP_Packet_t   *packet = (phHciNfc_HCP_Packet_t *)pdata;
991     phHciNfc_HCP_Message_t  *message = &packet->msg.message;
992     NFCSTATUS               status = NFCSTATUS_SUCCESS;
993     uint8_t                 pipe_id = (uint8_t)HCI_UNKNOWN_PIPE_ID;
994 #if defined(HCI_TRACE) || defined (ERROR_INSTRUCTION)
995     uint8_t                 instruction = 0;
996     instruction = (uint8_t) GET_BITS8(message->msg_header,
997                             HCP_MSG_INSTRUCTION_OFFSET, HCP_MSG_INSTRUCTION_LEN);
998 #endif
999 
1000     /* Get the Pipe ID from the HCP Header */
1001     pipe_id =  (uint8_t) GET_BITS8( packet->hcp_header,
1002                                 HCP_PIPEID_OFFSET, HCP_PIPEID_LEN);
1003     /* Process the Error Response based on the obtained instruction */
1004 #ifdef ERROR_INSTRUCTION
1005     switch(instruction)
1006     {
1007         case ANY_E_NOT_CONNECTED:
1008         case ANY_E_CMD_PAR_UNKNOWN:
1009         case ANY_E_NOK:
1010         case ANY_E_PIPES_FULL:
1011         case ANY_E_REG_PAR_UNKNOWN:
1012         case ANY_E_PIPE_NOT_OPENED:
1013         case ANY_E_CMD_NOT_SUPPORTED:
1014         case ANY_E_TIMEOUT:
1015         case ANY_E_REG_ACCESS_DENIED:
1016         case ANY_E_PIPE_ACCESS_DENIED:
1017         {
1018             /* Receive Error Notification to the Upper Layer */
1019             status = PHNFCSTVAL( CID_NFC_HCI, \
1020                             message->msg_header);
1021             phHciNfc_Error_Sequence(psHciContext, pHwRef, status , pdata, length );
1022             /* Return Success as the Error Sequence is already handled */
1023             psHciContext->response_pending = FALSE ;
1024             HCI_DEBUG("HCI: Response Pending status --> FALSE, %s \n",
1025             __FUNCTION__);
1026             status = NFCSTATUS_SUCCESS;
1027             break;
1028         }
1029             /* The Statement should not reach this case */
1030         /* case ANY_OK: */
1031         default:
1032         {
1033             /* status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_RESPONSE); */
1034             break;
1035         }
1036     }
1037 #else
1038     status = PHNFCSTVAL( CID_NFC_HCI, message->msg_header);
1039     HCI_DEBUG("HCI Error Response(%u) from the Device \n", instruction);
1040     psHciContext->response_pending = FALSE ;
1041     HCI_DEBUG("HCI: Response Pending status --> FALSE, %s \n",
1042         __FUNCTION__);
1043     phHciNfc_Reset_Pipe_MsgInfo(psHciContext->p_pipe_list[pipe_id]);
1044     phHciNfc_Error_Sequence(psHciContext, pHwRef, status , pdata, (uint8_t) length );
1045     /* Return Success as the Error Sequence is already handled */
1046     status = NFCSTATUS_SUCCESS;
1047 #endif
1048 
1049     return status;
1050 }
1051 
1052 
1053 static
1054  NFCSTATUS
phHciNfc_Process_Event(phHciNfc_sContext_t * psHciContext,void * pHwRef,void * pdata,uint8_t length)1055  phHciNfc_Process_Event (
1056                                 phHciNfc_sContext_t     *psHciContext,
1057                                 void                    *pHwRef,
1058                                 void                    *pdata,
1059 #ifdef ONE_BYTE_LEN
1060                                 uint8_t                 length
1061 #else
1062                                 uint16_t                length
1063 #endif
1064                         )
1065 {
1066     phHciNfc_HCP_Packet_t   *packet = NULL;
1067     phHciNfc_HCP_Message_t  *message = NULL;
1068     phHciNfc_Pipe_Info_t    *p_pipe_info = NULL;
1069     uint8_t                 instruction=0;
1070     uint8_t                 pipe_id = (uint8_t)HCI_UNKNOWN_PIPE_ID;
1071 
1072     NFCSTATUS               status = NFCSTATUS_SUCCESS;
1073 
1074     packet = (phHciNfc_HCP_Packet_t *)pdata;
1075     message = &packet->msg.message;
1076     /* Get the instruction bits from the Message Header */
1077     PHNFC_UNUSED_VARIABLE(instruction);
1078     instruction = (uint8_t) GET_BITS8( message->msg_header,
1079                                 HCP_MSG_INSTRUCTION_OFFSET, HCP_MSG_INSTRUCTION_LEN);
1080     /* Get the Pipe ID from the HCP Header */
1081     pipe_id =  (uint8_t) GET_BITS8( packet->hcp_header,
1082                                 HCP_PIPEID_OFFSET, HCP_PIPEID_LEN);
1083 
1084     if (pipe_id >=  PHHCINFC_MAX_PIPE )
1085     {
1086         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_INFORMATION);
1087     }
1088     else
1089     {
1090         p_pipe_info = psHciContext->p_pipe_list[pipe_id];
1091     }
1092 
1093     if( (p_pipe_info != NULL ) )
1094     {
1095         if( NULL != p_pipe_info->recv_event)
1096         {
1097             status = p_pipe_info->recv_event( psHciContext, pHwRef,
1098                                                         pdata, length );
1099         }
1100         else
1101         {
1102             HCI_DEBUG(" Event Handling Not Supported by the #%u Pipe \n",
1103                                                         pipe_id);
1104             status = PHNFCSTVAL(CID_NFC_HCI,
1105                                         NFCSTATUS_FEATURE_NOT_SUPPORTED);
1106         }
1107     }
1108     else
1109     {
1110         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED);
1111     }
1112 
1113     HCI_DEBUG("HCI: In Function: %s \n",
1114         __FUNCTION__);
1115     HCI_DEBUG("HCI: Response Pending status --> %s \n",
1116         (psHciContext->response_pending)?"TRUE":"FALSE");
1117     HCI_DEBUG("HCI: Event Pending status --> %s \n",
1118         (psHciContext->event_pending)?"TRUE":"FALSE");
1119 
1120         if ((TRUE == psHciContext->response_pending)
1121         || (TRUE == psHciContext->event_pending))
1122     {
1123         (void)memset(psHciContext->recv_buffer,
1124             FALSE, PHHCINFC_MAX_BUFFERSIZE);
1125         (void)memset((void *)&psHciContext->rx_packet,
1126             FALSE, sizeof(phHciNfc_HCP_Packet_t));
1127 
1128         /* Reset the Received Data Index */
1129         psHciContext->rx_index = ZERO;
1130         /* Reset the size of the total response data received */
1131         psHciContext->rx_total = ZERO;
1132 
1133         /* psHciContext->hci_transact_state = NFC_TRANSACT_SEND_COMPLETE;*/
1134         /* Receive the Response Packet */
1135 
1136         status = phHciNfc_Receive( psHciContext, pHwRef,
1137                     (uint8_t *)(&psHciContext->rx_packet),
1138                     sizeof(phHciNfc_HCP_Packet_t) );
1139 
1140         /* HCI_DEBUG("HCI Lower Layer Send Completion After Receive,\
1141         Status = %02X\n",status); */
1142     }
1143     else
1144     {
1145         if(
1146 /* #define EVENT_NOTIFY */
1147 #ifndef EVENT_NOTIFY
1148             ( NFCSTATUS_SUCCESS == status  )
1149             || ( NFCSTATUS_RF_TIMEOUT == status  )
1150             || ( NFCSTATUS_MORE_INFORMATION == status  )
1151 #else
1152             (FALSE == psHciContext->event_pending )
1153 #endif
1154             && ( pipe_id <= PHHCINFC_MAX_PIPE )
1155             )
1156         {
1157             /* phHciNfc_Reset_Pipe_MsgInfo(psHciContext->p_pipe_list[pipe_id]); */
1158             status = phHciNfc_Resume_Sequence(psHciContext, pHwRef);
1159 
1160         }/* End of Success Status validation */
1161         else
1162         {
1163             HCI_DEBUG(" HCI: Pipe-ID --> %02X  \n", pipe_id);
1164             HCI_DEBUG(" HCI: PROCESS EVENT - Pending/Invalid Status : %X\n", status);
1165         }
1166     }
1167 
1168     return status;
1169 }
1170 
1171 static
1172  NFCSTATUS
phHciNfc_Process_Command(phHciNfc_sContext_t * psHciContext,void * pHwRef,void * pdata,uint8_t length)1173  phHciNfc_Process_Command (
1174                                 phHciNfc_sContext_t     *psHciContext,
1175                                 void                    *pHwRef,
1176                                 void                    *pdata,
1177 #ifdef ONE_BYTE_LEN
1178                                 uint8_t                 length
1179 #else
1180                                 uint16_t                length
1181 #endif
1182                              )
1183 {
1184     phHciNfc_HCP_Packet_t   *packet = NULL;
1185     phHciNfc_HCP_Message_t  *message = NULL;
1186     phHciNfc_Pipe_Info_t    *p_pipe_info = NULL;
1187     uint8_t                 instruction=0;
1188     uint8_t                 pipe_id = (uint8_t)HCI_UNKNOWN_PIPE_ID;
1189 
1190     NFCSTATUS               status = NFCSTATUS_SUCCESS;
1191 
1192     packet = (phHciNfc_HCP_Packet_t *)pdata;
1193     message = &packet->msg.message;
1194     /* Get the instruction bits from the Message Header */
1195     PHNFC_UNUSED_VARIABLE(instruction);
1196 
1197     instruction = (uint8_t) GET_BITS8( message->msg_header,
1198                                 HCP_MSG_INSTRUCTION_OFFSET, HCP_MSG_INSTRUCTION_LEN);
1199     /* Get the Pipe ID from the HCP Header */
1200     pipe_id =  (uint8_t) GET_BITS8( packet->hcp_header,
1201                                 HCP_PIPEID_OFFSET, HCP_PIPEID_LEN);
1202     if (pipe_id >=  PHHCINFC_MAX_PIPE )
1203     {
1204         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_HCI_INFORMATION);
1205     }
1206     else
1207     {
1208         p_pipe_info = psHciContext->p_pipe_list[pipe_id];
1209     }
1210 
1211     if( (p_pipe_info != NULL )
1212         )
1213     {
1214         if( NULL != p_pipe_info->recv_cmd)
1215         {
1216             status = p_pipe_info->recv_cmd( psHciContext,   pHwRef,
1217                                                         pdata, length );
1218         }
1219         else
1220         {
1221             HCI_DEBUG(" Command Handling Not Supported by the #%u Pipe \n",
1222                                                         pipe_id);
1223             status = PHNFCSTVAL(CID_NFC_HCI,
1224                                         NFCSTATUS_FEATURE_NOT_SUPPORTED);
1225         }
1226     }
1227     else
1228     {
1229         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED);
1230     }
1231 
1232     HCI_DEBUG("HCI: In Function: %s \n", __FUNCTION__);
1233     HCI_DEBUG("HCI: Response Pending status --> %s \n",
1234         (psHciContext->response_pending)?"TRUE":"FALSE");
1235 
1236     if(( NFCSTATUS_SUCCESS == status )
1237         && (TRUE != psHciContext->response_pending)
1238         )
1239     {
1240         /* Reset the Pipe Information Stored in the particular Pipe */
1241         /* phHciNfc_Reset_Pipe_MsgInfo(psHciContext->p_pipe_list[pipe_id]); */
1242         /* Resume the Execution Sequence */
1243         status = phHciNfc_Resume_Sequence(psHciContext, pHwRef);
1244 
1245     }/* End of Success Status validation */
1246 
1247     return status;
1248 }
1249 
1250 
1251 static
1252 void
phHciNfc_Build_HCPMessage(phHciNfc_HCP_Packet_t * hcp_packet,uint8_t msg_type,uint8_t instruction)1253 phHciNfc_Build_HCPMessage(
1254                                 phHciNfc_HCP_Packet_t *hcp_packet,
1255                                 uint8_t             msg_type,
1256                                 uint8_t             instruction
1257                           )
1258 {
1259     phHciNfc_HCP_Message_t  *hcp_message = NULL;
1260 
1261     hcp_message = &(hcp_packet->msg.message);
1262     /* Set the type to the provided message type in the HCP Message Header */
1263     hcp_message->msg_header = (uint8_t) SET_BITS8(hcp_message->msg_header,HCP_MSG_TYPE_OFFSET,
1264                 HCP_MSG_TYPE_LEN, msg_type);
1265     /* Set the instruction to the kind of instruction in the HCP Message Header */
1266     hcp_message->msg_header  = (uint8_t) SET_BITS8(hcp_message->msg_header,HCP_MSG_INSTRUCTION_OFFSET,
1267                 HCP_MSG_INSTRUCTION_LEN, instruction);
1268     /* hcp_message->msg_header = hcp_message->msg_header | temp ; */
1269 
1270 }
1271 
1272 
1273 static
1274 void
phHciNfc_Build_HCPHeader(phHciNfc_HCP_Packet_t * hcp_packet,uint8_t chainbit,uint8_t pipe_id)1275 phHciNfc_Build_HCPHeader(
1276                                 phHciNfc_HCP_Packet_t *hcp_packet,
1277                                 uint8_t             chainbit,
1278                                 uint8_t             pipe_id
1279                           )
1280 {
1281     /* Set the Chaining bit to the default type */
1282     hcp_packet->hcp_header = (uint8_t) SET_BITS8(hcp_packet->hcp_header,
1283                 HCP_CHAINBIT_OFFSET, HCP_CHAINBIT_LEN, chainbit);
1284     /* Populate the Pipe ID to the HCP Header */
1285     hcp_packet->hcp_header  = (uint8_t) SET_BITS8(hcp_packet->hcp_header,HCP_PIPEID_OFFSET,
1286                 HCP_PIPEID_LEN, pipe_id);
1287 
1288 }
1289 
1290 /*!
1291  * \brief Builds the HCP Frame Packet.
1292  *
1293  * This function builds the HCP Frame in the HCP packet format to send to the
1294  * connected reader device.
1295  */
1296 
1297 void
phHciNfc_Build_HCPFrame(phHciNfc_HCP_Packet_t * hcp_packet,uint8_t chainbit,uint8_t pipe_id,uint8_t msg_type,uint8_t instruction)1298  phHciNfc_Build_HCPFrame (
1299                                 phHciNfc_HCP_Packet_t *hcp_packet,
1300                                 uint8_t             chainbit,
1301                                 uint8_t             pipe_id,
1302                                 uint8_t             msg_type,
1303                                 uint8_t             instruction
1304                           )
1305 {
1306     /* Fills the HCP Header in the packet */
1307     phHciNfc_Build_HCPHeader( hcp_packet,chainbit,pipe_id );
1308     /* Fills the HCP Message in the packet */
1309     phHciNfc_Build_HCPMessage( hcp_packet,msg_type,instruction );
1310 }
1311 
1312 /*!
1313  * \brief Appends the HCP Frame Packet.
1314  *
1315  * This function Appends the HCP Frame of the HCP packet to complete the
1316  * entire HCP Packet.
1317  */
1318 
1319 void
phHciNfc_Append_HCPFrame(uint8_t * hcp_data,uint16_t hcp_index,uint8_t * src_data,uint16_t src_len)1320  phHciNfc_Append_HCPFrame (
1321 /*                              phHciNfc_sContext_t     *psHciContext, */
1322                                 uint8_t                 *hcp_data,
1323                                 uint16_t                hcp_index,
1324                                 uint8_t                 *src_data,
1325                                 uint16_t                src_len
1326                           )
1327 {
1328     uint16_t src_index = 0;
1329     if( (NULL != src_data)
1330         /* && (hcp_index >= 0) */
1331         && (src_len > 0)
1332         )
1333     {
1334         for(src_index=0; src_index < src_len ; src_index++)
1335         {
1336             hcp_data[hcp_index + src_index] = src_data[src_index];
1337         }
1338     }
1339     return;
1340 }
1341 
1342 
1343 /*!
1344  * \brief Sends the Generic HCI Commands to the connected reader device.
1345  *
1346  * This function Sends the Generic HCI Command frames in the HCP packet format to the
1347  * connected reader device.
1348  */
1349 
1350  NFCSTATUS
phHciNfc_Send_Generic_Cmd(phHciNfc_sContext_t * psHciContext,void * pHwRef,uint8_t pipe_id,uint8_t cmd)1351  phHciNfc_Send_Generic_Cmd (
1352                                 phHciNfc_sContext_t *psHciContext,
1353                                 void                *pHwRef,
1354                                 uint8_t             pipe_id,
1355                                 uint8_t             cmd
1356                     )
1357  {
1358     phHciNfc_HCP_Packet_t   *hcp_packet = NULL;
1359     phHciNfc_HCP_Message_t  *hcp_message = NULL;
1360     phHciNfc_Pipe_Info_t    *p_pipe_info = NULL;
1361     uint16_t                 length = 0;
1362     uint16_t                 i=0;
1363     NFCSTATUS               status = NFCSTATUS_SUCCESS;
1364 
1365     if((NULL == psHciContext)
1366         || ( pipe_id > PHHCINFC_MAX_PIPE)
1367         ||(NULL == psHciContext->p_pipe_list[pipe_id])
1368       )
1369     {
1370         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_PARAMETER);
1371         HCI_DEBUG("%s: Invalid Arguments passed \n",
1372                                                 "phHciNfc_Send_Generic_Cmd");
1373     }
1374     else
1375     {
1376         p_pipe_info = (phHciNfc_Pipe_Info_t *)
1377                                 psHciContext->p_pipe_list[pipe_id];
1378         psHciContext->tx_total = 0 ;
1379         length +=  HCP_HEADER_LEN ;
1380         switch( cmd )
1381         {
1382             case ANY_SET_PARAMETER:
1383             {
1384 
1385                 hcp_packet = (phHciNfc_HCP_Packet_t *) psHciContext->send_buffer;
1386                 /* Construct the HCP Frame */
1387                 phHciNfc_Build_HCPFrame(hcp_packet,HCP_CHAINBIT_DEFAULT,
1388                                         (uint8_t) pipe_id, HCP_MSG_TYPE_COMMAND, cmd);
1389                 hcp_message = &(hcp_packet->msg.message);
1390                 hcp_message->payload[i++] = p_pipe_info->reg_index ;
1391                 phHciNfc_Append_HCPFrame((uint8_t *)hcp_message->payload,
1392                                             i, (uint8_t *)p_pipe_info->param_info,
1393                                             p_pipe_info->param_length);
1394                 length =(uint16_t)(length + i + p_pipe_info->param_length);
1395                 break;
1396             }
1397             case ANY_GET_PARAMETER:
1398             {
1399 
1400                 hcp_packet = (phHciNfc_HCP_Packet_t *) psHciContext->send_buffer;
1401                 /* Construct the HCP Frame */
1402                 phHciNfc_Build_HCPFrame(hcp_packet,HCP_CHAINBIT_DEFAULT,
1403                                         (uint8_t) pipe_id, HCP_MSG_TYPE_COMMAND, cmd);
1404                 hcp_message = &(hcp_packet->msg.message);
1405                 hcp_message->payload[i++] = p_pipe_info->reg_index ;
1406                 length =(uint16_t)(length + i);
1407                 break;
1408             }
1409             case ANY_OPEN_PIPE:
1410             case ANY_CLOSE_PIPE:
1411             {
1412 
1413                 hcp_packet = (phHciNfc_HCP_Packet_t *) psHciContext->send_buffer;
1414                 /* Construct the HCP Frame */
1415                 phHciNfc_Build_HCPFrame(hcp_packet,HCP_CHAINBIT_DEFAULT,
1416                                         (uint8_t) pipe_id, HCP_MSG_TYPE_COMMAND, cmd);
1417                 break;
1418             }
1419             default:
1420             {
1421                 status = PHNFCSTVAL( CID_NFC_HCI, NFCSTATUS_FEATURE_NOT_SUPPORTED );
1422                 HCI_DEBUG("%s: Statement Should Not Occur \n","phHciNfc_Send_Generic_Cmd");
1423                 break;
1424             }
1425         }
1426         if( NFCSTATUS_SUCCESS == status )
1427         {
1428             p_pipe_info->sent_msg_type = HCP_MSG_TYPE_COMMAND;
1429             p_pipe_info->prev_msg = cmd;
1430             psHciContext->tx_total = length;
1431             psHciContext->response_pending = TRUE ;
1432             /* Send the Constructed HCP packet to the lower layer */
1433             status = phHciNfc_Send_HCP( psHciContext, pHwRef );
1434             p_pipe_info->prev_status = NFCSTATUS_PENDING;
1435         }
1436     }
1437 
1438     return status;
1439 }
1440 
1441 
1442 /*!
1443  * \brief Sets the parameter of the registers in a particular Pipe.
1444  *
1445  * This function configures the registers in a particular Pipe.
1446  */
1447 
1448 NFCSTATUS
phHciNfc_Set_Param(phHciNfc_sContext_t * psHciContext,void * pHwRef,phHciNfc_Pipe_Info_t * p_pipe_info,uint8_t reg_index,void * p_param,uint16_t param_length)1449 phHciNfc_Set_Param (
1450                                 phHciNfc_sContext_t     *psHciContext,
1451                                 void                    *pHwRef,
1452                                 phHciNfc_Pipe_Info_t    *p_pipe_info,
1453                                 uint8_t                 reg_index,
1454                                 void                    *p_param,
1455                                 uint16_t                 param_length
1456                     )
1457  {
1458     NFCSTATUS               status = NFCSTATUS_SUCCESS ;
1459 
1460     if( (NULL == p_pipe_info)
1461         || (NULL == p_param)
1462         || (0 == param_length)
1463         )
1464     {
1465         status = PHNFCSTVAL( CID_NFC_HCI, NFCSTATUS_INVALID_HCI_INFORMATION );
1466     }
1467     else
1468     {
1469         p_pipe_info->param_info = (uint8_t *)p_param;
1470         p_pipe_info->param_length =  param_length;
1471         p_pipe_info->reg_index = reg_index;
1472         status = phHciNfc_Send_Generic_Cmd( psHciContext, pHwRef,
1473             (uint8_t)p_pipe_info->pipe.pipe_id,
1474                 (uint8_t)ANY_SET_PARAMETER);
1475         p_pipe_info->prev_status = status;
1476     }
1477 
1478     return status;
1479  }
1480 
1481 
1482 #if 0
1483  /*!
1484  * \brief Gets the parameter of the registers in a particular Pipe.
1485  *
1486  * This function configures the registers in a particular Pipe.
1487  */
1488 
1489  NFCSTATUS
1490  phHciNfc_Get_Param (
1491                                 phHciNfc_sContext_t     *psHciContext,
1492                                 void                    *pHwRef,
1493                                 phHciNfc_Pipe_Info_t    *p_pipe_info,
1494                                 uint8_t                 reg_index,
1495                     )
1496  {
1497     NFCSTATUS               status = NFCSTATUS_SUCCESS ;
1498 
1499     return status;
1500  }
1501 #endif
1502 
1503 
1504 void
phHciNfc_Send_Complete(void * psContext,void * pHwRef,phNfc_sTransactionInfo_t * pInfo)1505 phHciNfc_Send_Complete (
1506                                 void                    *psContext,
1507                                 void                    *pHwRef,
1508                                 phNfc_sTransactionInfo_t *pInfo
1509                        )
1510 {
1511     NFCSTATUS               status = NFCSTATUS_SUCCESS ;
1512     uint16_t                length = 0;
1513 
1514     HCI_PRINT("HCI Send Completion....\n");
1515     if ( (NULL != psContext)
1516         && (NULL != pInfo)
1517         && (NULL != pHwRef)
1518         )
1519     {
1520         phHciNfc_sContext_t *psHciContext = (phHciNfc_sContext_t *)psContext;
1521         status = pInfo->status ;
1522         length = pInfo->length ;
1523         /* HCI_DEBUG("HCI Lower Layer Send Completion Before Receive,\
1524                                                 Status = %02X\n",status); */
1525         if(status != NFCSTATUS_SUCCESS)
1526         {
1527             /* Handle the Error Scenario */
1528             (void)memset(psHciContext->send_buffer,
1529                                             FALSE, PHHCINFC_MAX_BUFFERSIZE);
1530             /* psHciContext->hci_transact_state = NFC_TRANSACT_COMPLETE;*/
1531             phHciNfc_Error_Sequence( psHciContext, pHwRef, status, NULL, 0 );
1532         }
1533         else
1534         {
1535 	        HCI_DEBUG("HCI Send Completion... Length = %02X\n", length);
1536             /* To complete the send complete with the send
1537              * or receive with chaining.
1538              */
1539             if( (TRUE == psHciContext->tx_hcp_chaining)
1540                 &&( psHciContext->tx_remain > HCP_ZERO_LEN ))
1541             {
1542                 /* Skip the HCP Header Byte Sent */
1543                 psHciContext->tx_remain -= length - 1;
1544 
1545                 /* Skip the HCP Header Byte Sent */
1546                 psHciContext->tx_hcp_frgmnt_index += length - 1;
1547 
1548                 /* Send the Remaining HCP Data Frames */
1549                 status = phHciNfc_Send_HCP( psHciContext, pHwRef );
1550 
1551                 HCI_DEBUG("HCI (Chaining) Send Resume: Status = %02X\n", status);
1552 
1553                 if( ( NFCSTATUS_SUCCESS != status )
1554                     && (NFCSTATUS_PENDING != status )
1555                     )
1556                 {
1557                     phHciNfc_Error_Sequence( psHciContext, pHwRef, status, NULL, 0 );
1558                 }/* End of the Status check */
1559             }
1560             else
1561             {
1562                 psHciContext->tx_total = HCP_ZERO_LEN ;
1563                 psHciContext->tx_remain = HCP_ZERO_LEN ;
1564                 psHciContext->tx_hcp_frgmnt_index = HCP_ZERO_LEN ;
1565                 HCI_DEBUG("HCI: In Function: %s \n", __FUNCTION__);
1566                 HCI_DEBUG("HCI: Response Pending status --> %s \n",
1567                     (psHciContext->response_pending)?"TRUE":"FALSE");
1568                 HCI_DEBUG("HCI: Event Pending status --> %s \n",
1569                     (psHciContext->event_pending)?"TRUE":"FALSE");
1570                 if ((TRUE == psHciContext->response_pending)
1571                     || (TRUE == psHciContext->event_pending))
1572                 {
1573                     (void) memset(psHciContext->recv_buffer,
1574                         FALSE, PHHCINFC_MAX_BUFFERSIZE);
1575                     (void) memset((void *)&psHciContext->rx_packet,
1576                         FALSE, sizeof(phHciNfc_HCP_Packet_t));
1577 
1578                     /* Reset the Received Data Index */
1579                     psHciContext->rx_index = ZERO;
1580                     /* Reset the size of the total response data received */
1581                     psHciContext->rx_total = ZERO;
1582 
1583                     /* psHciContext->hci_transact_state = NFC_TRANSACT_SEND_COMPLETE;*/
1584                     /* Receive the Response Packet */
1585                     status = phHciNfc_Receive( psHciContext, pHwRef,
1586                                 (uint8_t *)(&psHciContext->rx_packet),
1587                                 sizeof(phHciNfc_HCP_Packet_t) );
1588 
1589                     /* HCI_DEBUG("HCI Lower Layer Send Completion After Receive,\
1590                     Status = %02X\n",status); */
1591 
1592                     if( ( NFCSTATUS_SUCCESS != status )
1593                          && (NFCSTATUS_PENDING != status )
1594                         )
1595                     {
1596                         phHciNfc_Error_Sequence( psHciContext, pHwRef, status, NULL, 0 );
1597                     }/* End of the Status check */
1598                 }
1599                 else
1600                 {
1601                     status = phHciNfc_Resume_Sequence(psHciContext, pHwRef );
1602                 }
1603             }
1604 
1605         } /* End of status != Success */
1606 
1607     } /* End of Context != NULL  */
1608 }
1609 
1610 
1611 void
phHciNfc_Receive_Complete(void * psContext,void * pHwRef,phNfc_sTransactionInfo_t * pInfo)1612 phHciNfc_Receive_Complete (
1613                                 void                    *psContext,
1614                                 void                    *pHwRef,
1615                                 phNfc_sTransactionInfo_t *pInfo
1616                                 )
1617 {
1618     NFCSTATUS               status = NFCSTATUS_SUCCESS ;
1619     void                    *pdata = NULL ;
1620     uint16_t                length = 0 ;
1621 
1622     HCI_PRINT("HCI Receive Completion....\n");
1623     if ( (NULL != psContext)
1624         && (NULL != pInfo)
1625         && (NULL != pHwRef)
1626         )
1627     {
1628         phHciNfc_sContext_t *psHciContext = (phHciNfc_sContext_t *)psContext;
1629 
1630         status = pInfo->status ;
1631         pdata = pInfo->buffer ;
1632         length = pInfo->length ;
1633         HCI_DEBUG("HCI Lower Layer Receive Completion, Status = %02X\n",status);
1634         if( NFCSTATUS_SUCCESS != status )
1635         {
1636             /* Handle the Error Scenario */
1637             /* psHciContext->hci_transact_state = NFC_TRANSACT_COMPLETE; */
1638             phHciNfc_Error_Sequence(psHciContext, pHwRef, status , pdata, (uint8_t)length );
1639         }
1640         else
1641         {
1642              /* Receive the remaining Response Packet */
1643             /* psHciContext->hci_transact_state = NFC_TRANSACT_RECV_COMPLETE; */
1644             status = phHciNfc_Process_HCP( psHciContext, pHwRef, pdata,(uint8_t) length );
1645             if( ( NFCSTATUS_SUCCESS != status )
1646                 && (NFCSTATUS_PENDING != status )
1647               )
1648             {
1649                 phHciNfc_Error_Sequence(psHciContext, pHwRef, status , pdata, (uint8_t) length );
1650             }
1651         }
1652     }
1653 }
1654 
1655 void
phHciNfc_Notify(pphNfcIF_Notification_CB_t p_upper_notify,void * p_upper_context,void * pHwRef,uint8_t type,void * pInfo)1656 phHciNfc_Notify(
1657                     pphNfcIF_Notification_CB_t  p_upper_notify,
1658                     void                        *p_upper_context,
1659                     void                        *pHwRef,
1660                     uint8_t                     type,
1661                     void                        *pInfo
1662                )
1663 {
1664     if( ( NULL != p_upper_notify) )
1665     {
1666         /* Notify the to the Upper Layer */
1667         (p_upper_notify)(p_upper_context, pHwRef, type, pInfo);
1668     }
1669 
1670 }
1671 
1672 
1673 void
phHciNfc_Tag_Notify(phHciNfc_sContext_t * psHciContext,void * pHwRef,uint8_t type,void * pInfo)1674 phHciNfc_Tag_Notify(
1675                             phHciNfc_sContext_t     *psHciContext,
1676                             void                    *pHwRef,
1677                             uint8_t                 type,
1678                             void                    *pInfo
1679                )
1680 {
1681     phNfc_sCompletionInfo_t *psCompInfo =
1682                                 (phNfc_sCompletionInfo_t *)pInfo;
1683     pphNfcIF_Notification_CB_t  p_upper_notify = psHciContext->p_upper_notify;
1684     void                        *pcontext = psHciContext->p_upper_context;
1685     NFCSTATUS               status = NFCSTATUS_SUCCESS;
1686 
1687     switch( psHciContext->hci_state.next_state )
1688     {
1689         case hciState_Activate:
1690         {
1691             /* Roll Back to the Select State */
1692             phHciNfc_FSM_Rollback(psHciContext);
1693             break;
1694         }
1695         case hciState_Select:
1696         {
1697             status = phHciNfc_FSM_Complete(psHciContext);
1698             break;
1699         }
1700         default:
1701         {
1702             /* Roll Back to the Select State */
1703             phHciNfc_FSM_Rollback(psHciContext);
1704             break;
1705         }
1706 
1707     }
1708 
1709     if(NFCSTATUS_SUCCESS == status )
1710     {
1711             /* Notify the Tag Events to the Upper layer */
1712         phHciNfc_Notify( p_upper_notify, pcontext , pHwRef,
1713                                 type, psCompInfo);
1714     }
1715     else
1716     {
1717         phHciNfc_Error_Sequence( psHciContext, pHwRef, status, NULL, 0 );
1718     }
1719 }
1720 
1721 
1722 void
phHciNfc_Target_Select_Notify(phHciNfc_sContext_t * psHciContext,void * pHwRef,uint8_t type,void * pInfo)1723 phHciNfc_Target_Select_Notify(
1724                             phHciNfc_sContext_t     *psHciContext,
1725                             void                    *pHwRef,
1726                             uint8_t                 type,
1727                             void                    *pInfo
1728                )
1729 {
1730     phNfc_sCompletionInfo_t *psCompInfo =
1731                                 (phNfc_sCompletionInfo_t *)pInfo;
1732     pphNfcIF_Notification_CB_t  p_upper_notify = psHciContext->p_upper_notify;
1733     void                        *pcontext = psHciContext->p_upper_context;
1734     NFCSTATUS               status = NFCSTATUS_SUCCESS;
1735 
1736     switch( psHciContext->hci_state.next_state )
1737     {
1738         case hciState_Listen:
1739         {
1740             /* Roll Back to the Select State */
1741             status = phHciNfc_FSM_Complete(psHciContext);
1742             break;
1743         }
1744         case hciState_Select:
1745         {
1746             status = phHciNfc_FSM_Complete(psHciContext);
1747             break;
1748         }
1749         default:
1750         {
1751             /* Roll Back to the Select State */
1752             phHciNfc_FSM_Rollback(psHciContext);
1753             break;
1754         }
1755 
1756     }
1757 
1758     if(NFCSTATUS_SUCCESS == status )
1759     {
1760             /* Notify the Tag Events to the Upper layer */
1761         phHciNfc_Notify( p_upper_notify, pcontext , pHwRef,
1762                                 type, psCompInfo);
1763     }
1764     else
1765     {
1766         phHciNfc_Error_Sequence( psHciContext, pHwRef, status, NULL, 0 );
1767     }
1768 
1769 }
1770 
1771 
1772 
1773 
1774 void
phHciNfc_Release_Notify(phHciNfc_sContext_t * psHciContext,void * pHwRef,uint8_t type,void * pInfo)1775 phHciNfc_Release_Notify(
1776                             phHciNfc_sContext_t     *psHciContext,
1777                             void                    *pHwRef,
1778                             uint8_t                 type,
1779                             void                    *pInfo
1780                )
1781 {
1782     phNfc_sCompletionInfo_t *psCompInfo =
1783                                 (phNfc_sCompletionInfo_t *)pInfo;
1784     pphNfcIF_Notification_CB_t  p_upper_notify = psHciContext->p_upper_notify;
1785     void                        *pcontext = psHciContext->p_upper_context;
1786     phHciNfc_Release_Resources( &psHciContext );
1787         /* Notify the Failure to the Upper Layer */
1788     phHciNfc_Notify( p_upper_notify, pcontext , pHwRef,
1789                             type, psCompInfo);
1790 }
1791 
1792 
1793 void
phHciNfc_Notify_Event(void * psContext,void * pHwRef,uint8_t type,void * pInfo)1794 phHciNfc_Notify_Event(
1795                             void                    *psContext,
1796                             void                    *pHwRef,
1797                             uint8_t                 type,
1798                             void                    *pInfo
1799                     )
1800 {
1801     NFCSTATUS            status = NFCSTATUS_SUCCESS;
1802 
1803     if ( (NULL != psContext)
1804         && (NULL != pInfo)
1805         && (NULL != pHwRef)
1806         )
1807     {
1808         phHciNfc_sContext_t *psHciContext = (phHciNfc_sContext_t *)psContext;
1809 
1810         /* Process based on the Notification type */
1811         switch(type)
1812         {
1813             case NFC_NOTIFY_INIT_COMPLETED:
1814             {
1815                 phNfc_sCompletionInfo_t *psCompInfo =
1816                                             (phNfc_sCompletionInfo_t *)pInfo;
1817                 if(NFCSTATUS_SUCCESS == psCompInfo->status)
1818                 {
1819 
1820 #if  (NXP_NFC_HCI_TIMER == 1)
1821                     if ( NXP_INVALID_TIMER_ID == hci_resp_timer_id )
1822                     {
1823                         /* Create and Intialise the Response Timer */
1824                         hci_resp_timer_id = phOsalNfc_Timer_Create( );
1825                         HCI_DEBUG(" HCI : Timer %X Created \n",
1826                                                             hci_resp_timer_id);
1827                     }
1828                     else
1829                     {
1830                         HCI_DEBUG(" HCI : Timer Already Created, Timer ID : %X\n",
1831                                                                 hci_resp_timer_id);
1832                     }
1833                     gpsHciContext = psHciContext;
1834 
1835 #endif /* (NXP_NFC_HCI_TIMER == 1) */
1836 
1837                      /* Complete the Initialisation Sequence */
1838                     status = phHciNfc_Resume_Sequence(psContext ,pHwRef);
1839                 }
1840                 else
1841                 {
1842                     /* Notify the Error Scenario to the Upper Layer */
1843                     phHciNfc_Notify(psHciContext->p_upper_notify,
1844                                     psHciContext->p_upper_context, pHwRef,
1845                                             NFC_NOTIFY_ERROR, psCompInfo);
1846                 }
1847                 break;
1848             }
1849             case NFC_NOTIFY_INIT_FAILED:
1850             {
1851                  /* Notify the Failure to the Upper Layer */
1852                 phHciNfc_Release_Notify( psContext,pHwRef,
1853                                         type, pInfo );
1854                 break;
1855             }
1856             case NFC_NOTIFY_RECV_COMPLETED:
1857             {
1858                 /* Receive Completed from the Lower Layer */
1859                 phHciNfc_Receive_Complete(psContext,pHwRef,pInfo);
1860 
1861                 break;
1862             }
1863             case NFC_NOTIFY_SEND_COMPLETED:
1864             {
1865                 /* Receive Completed from the Lower Layer */
1866                 phHciNfc_Send_Complete(psContext,pHwRef,pInfo);
1867 
1868                 break;
1869             }
1870             case NFC_NOTIFY_TRANSCEIVE_COMPLETED:
1871             {
1872                 /* TODO: TO handle Both Send and Receive Complete */
1873                 break;
1874             }
1875             case NFC_NOTIFY_TARGET_DISCOVERED:
1876             {
1877                 HCI_PRINT(" PICC Discovery ! Obtain PICC Info .... \n");
1878                 /* psHciContext->hci_seq = PL_DURATION_SEQ; */
1879                 if ( hciState_Unknown == psHciContext->hci_state.next_state )
1880                 {
1881 
1882                     status = phHciNfc_FSM_Update ( psHciContext, hciState_Select );
1883 
1884 
1885                     if (NFCSTATUS_SUCCESS != status)
1886                     {
1887                        status = phHciNfc_ReaderMgmt_Deselect(
1888                             psHciContext, pHwRef, phHal_eISO14443_A_PICC, FALSE);
1889                     }
1890                 }
1891                 else
1892                 {
1893 #ifdef SW_RELEASE_TARGET
1894                     /*status = phHciNfc_ReaderMgmt_Deselect(
1895                         psHciContext, pHwRef, phHal_eISO14443_A_PICC, FALSE); */
1896                     psHciContext->target_release = TRUE;
1897 #else
1898                     status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_STATE);
1899 #endif
1900                 }
1901                 break;
1902             }
1903             /* To Notify the Target Released Notification
1904              * to the Above Layer */
1905             case NFC_NOTIFY_TARGET_RELEASED:
1906             /* To Notify the NFC Secure Element Transaction
1907              * Information to the Above Layer */
1908             /* case NFC_NOTIFY_TRANSACTION: */
1909             /* To Notify the Generic Events To the Upper
1910              * Layer */
1911             case NFC_NOTIFY_EVENT:
1912             /* To Notify the Data Receive  Notification
1913              * to the Above Layer */
1914             case NFC_NOTIFY_RECV_EVENT:
1915             {
1916                 phNfc_sCompletionInfo_t *psCompInfo =
1917 		                (phNfc_sCompletionInfo_t *)pInfo;
1918 
1919                 if (((TRUE == psHciContext->event_pending) ||
1920                     (NFCSTATUS_RF_TIMEOUT == psCompInfo->status))
1921                     && ( hciState_Transact == psHciContext->hci_state.next_state))
1922                 {
1923                     /* Rollback due to Transmission Error */
1924                     phHciNfc_FSM_Rollback(psHciContext);
1925                 }
1926                 psHciContext->event_pending = FALSE;
1927                 phHciNfc_Notify(psHciContext->p_upper_notify,
1928                             psHciContext->p_upper_context, pHwRef,
1929                                 type, pInfo);
1930                 break;
1931             }
1932             case NFC_NOTIFY_DEVICE_ACTIVATED:
1933             {
1934                 HCI_PRINT("  Device Activated! Obtaining Remote Reader Info .... \n");
1935                 if ( hciState_Unknown == psHciContext->hci_state.next_state )
1936                 {
1937                     switch (psHciContext->host_rf_type)
1938                     {
1939                         case phHal_eISO14443_A_PCD:
1940                         case phHal_eISO14443_B_PCD:
1941                         case phHal_eISO14443_BPrime_PCD:
1942                         case phHal_eFelica_PCD:
1943                         {
1944                             break;
1945                         }
1946                         case phHal_eNfcIP1_Initiator:
1947                         case phHal_eNfcIP1_Target:
1948                         {
1949                             break;
1950                         }
1951                         case phHal_eUnknown_DevType:
1952                         default:
1953                         {
1954                             status = PHNFCSTVAL(CID_NFC_HCI,
1955                                         NFCSTATUS_INVALID_PARAMETER);
1956                             break;
1957                         }
1958 
1959                     }
1960                     status = phHciNfc_FSM_Update ( psHciContext, hciState_Listen );
1961                 }
1962                 else
1963                 {
1964                     status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_STATE);
1965                 }
1966                 break;
1967             }
1968             case NFC_NOTIFY_DEVICE_DEACTIVATED:
1969             {
1970                 HCI_PRINT(" Device De-Activated! \n");
1971                 if ( hciState_Unknown == psHciContext->hci_state.next_state )
1972                 {
1973                     status = phHciNfc_FSM_Update ( psHciContext, hciState_Initialise );
1974                     if(NFCSTATUS_SUCCESS == status)
1975                     {
1976                         /* Complete to the Select State */
1977                         status = phHciNfc_FSM_Complete(psHciContext);
1978                     }
1979                     else
1980                     {
1981                         HCI_PRINT(" Device Deactivated.. But Invalid State \n");
1982                         status = PHNFCSTVAL(CID_NFC_HCI, NFCSTATUS_INVALID_STATE);
1983                     }
1984                 }
1985                 else
1986                 {
1987                     status = phHciNfc_ReaderMgmt_Update_Sequence(
1988                                                 psHciContext, INFO_SEQ );
1989 
1990                     if(( hciState_Listen == psHciContext->hci_state.next_state)
1991                         || (hciState_Transact == psHciContext->hci_state.next_state))
1992                     {
1993                         psHciContext->hci_state.next_state = hciState_Initialise;
1994                         /* Roll Back to the Default State */
1995                         status = phHciNfc_FSM_Complete(psHciContext);
1996                     }
1997                 }
1998                 psHciContext->event_pending = FALSE;
1999                 phHciNfc_Notify(psHciContext->p_upper_notify,
2000                             psHciContext->p_upper_context, pHwRef,
2001                             NFC_NOTIFY_EVENT, pInfo);
2002                 break;
2003             }
2004             case NFC_NOTIFY_DEVICE_ERROR:
2005             {
2006                 phNfc_sCompletionInfo_t *psCompInfo =
2007                                             (phNfc_sCompletionInfo_t *)pInfo;
2008 
2009                 psCompInfo->status = ( NFCSTATUS_BOARD_COMMUNICATION_ERROR
2010                                         != PHNFCSTATUS(psCompInfo->status))?
2011                                             NFCSTATUS_BOARD_COMMUNICATION_ERROR:
2012                                                 psCompInfo->status ;
2013 
2014 #if  (NXP_NFC_HCI_TIMER == 1)
2015 
2016                 if ( NXP_INVALID_TIMER_ID != hci_resp_timer_id )
2017                 {
2018                     HCI_DEBUG(" HCI : Response Timer Stop, Status:%02X : %X\n",
2019                                                           psCompInfo->status);
2020                     /* Stop and Un-Intialise the Response Timer */
2021                     phOsalNfc_Timer_Stop( hci_resp_timer_id );
2022                 }
2023 
2024 #endif /* (NXP_NFC_HCI_TIMER == 1) */
2025 
2026                 phHciNfc_Notify(psHciContext->p_upper_notify,
2027                             psHciContext->p_upper_context, pHwRef,
2028                             (uint8_t) NFC_NOTIFY_DEVICE_ERROR, pInfo);
2029 
2030                 break;
2031             }
2032 
2033             case NFC_NOTIFY_ERROR:
2034             default:
2035             {
2036                 phNfc_sCompletionInfo_t *psCompInfo =
2037                                             (phNfc_sCompletionInfo_t *)pInfo;
2038 
2039 #if  (NXP_NFC_HCI_TIMER == 1)
2040 
2041                 if (( NFCSTATUS_BOARD_COMMUNICATION_ERROR == PHNFCSTATUS(psCompInfo->status))
2042                         && ( NXP_INVALID_TIMER_ID != hci_resp_timer_id ))
2043                 {
2044                     HCI_DEBUG(" HCI : Response Timer Stop, Status:%02X : %X\n",
2045                                                           psCompInfo->status);
2046                     /* Stop the HCI Response Timer */
2047                     phOsalNfc_Timer_Stop( hci_resp_timer_id );
2048                 }
2049 
2050 #endif /* (NXP_NFC_HCI_TIMER == 1) */
2051 
2052                 phHciNfc_Error_Sequence( psHciContext, pHwRef,
2053                                                         psCompInfo->status, NULL, 0);
2054                 break;
2055             }
2056         } /* End of Switch */
2057     } /* End of Context != NULL  */
2058 }
2059 
2060