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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  * \file  phHal4Nfc.c
     18  * \brief Hal4Nfc source.
     19  *
     20  * Project: NFC-FRI 1.1
     21  *
     22  * $Date: Fri Jun 11 09:32:23 2010 $
     23  * $Author: ing07385 $
     24  * $Revision: 1.192 $
     25  * $Aliases: NFC_FRI1.1_WK1023_R35_1 $
     26  *
     27  */
     28 
     29 /* ---------------------------Include files ---------------------------------*/
     30 
     31 #include <phHal4Nfc.h>
     32 #include <phHal4Nfc_Internal.h>
     33 #include <phOsalNfc.h>
     34 #include <phHciNfc.h>
     35 #include <phLlcNfc.h>
     36 #include <phDal4Nfc.h>
     37 #include <phDnldNfc.h>
     38 #include <phOsalNfc_Timer.h>
     39 
     40 /* ------------------------------- Macros -----------------------------------*/
     41 #ifndef HAL_UNIT_TEST
     42 #define STATIC static
     43 #else
     44 #define STATIC
     45 #endif/*#ifndef UNIT_TEST*/
     46 #define HAL4_LAYERS                 3
     47 #define LAYER_HCI                   2
     48 #define LAYER_LLC                   1
     49 #define LAYER_DAL                   0
     50 
     51 /* --------------------Structures and enumerations --------------------------*/
     52 
     53 phHal_sHwReference_t *gpphHal4Nfc_Hwref;
     54 
     55 static void phHal4Nfc_IoctlComplete(
     56                                     phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
     57                                     void     *pInfo
     58                                     );
     59 
     60 static void phHal4Nfc_LowerNotificationHandler(
     61                                         void    *pContext,
     62                                         void    *pHwRef,
     63                                         uint8_t  type,
     64                                         void     *pInfo
     65                                         );
     66 static void phHal4Nfc_HandleEvent(
     67                               phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
     68                               void     *pInfo
     69                               );
     70 
     71 static void phHal4Nfc_OpenComplete(
     72                                    phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
     73                                    void *pInfo
     74                                    );
     75 
     76 static void phHal4Nfc_CloseComplete(
     77                                     phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
     78                                     void *pInfo
     79                                     );
     80 
     81 static void phHal4Nfc_DownloadComplete(
     82                                 void *pContext,
     83                                 void *pHwRef,
     84                                 uint8_t type,
     85                                 void *pInfo
     86                                 );
     87 
     88 static NFCSTATUS phHal4Nfc_Configure_Layers(
     89                                 phNfcLayer_sCfg_t       **pphLayer
     90                                 );
     91 
     92 
     93 /*Callback for Self tests*/
     94 static void phHal4Nfc_SelfTestComplete(
     95                                        phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
     96                                        void *pInfo
     97                                        );
     98 
     99 /**
    100  *  The open callback function to be called by the HCI when open (initializaion)
    101  *  sequence is completed  or if there is an error in initialization.
    102  *  It is passed as a parameter to HCI when calling HCI Init.
    103  */
    104 
    105 static void phHal4Nfc_OpenComplete(
    106                                    phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
    107                                    void *pInfo
    108                                    )
    109 {
    110     NFCSTATUS status = ((phNfc_sCompletionInfo_t *)pInfo)->status;
    111     pphHal4Nfc_GenCallback_t pUpper_OpenCb
    112                                     = Hal4Ctxt->sUpperLayerInfo.pUpperOpenCb;
    113     void                   *pUpper_Context
    114                                 = Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt;
    115     if(status == NFCSTATUS_SUCCESS)
    116     {
    117         PHDBG_INFO("Hal4:Open Successful");
    118 #ifdef MERGE_SAK_SW1 /*Software Workaround*/
    119         if(eHal4StateOpenAndReady == Hal4Ctxt->Hal4NextState)
    120         {
    121             status = phHciNfc_System_Configure (
    122                                     Hal4Ctxt->psHciHandle,
    123                                     (void *)gpphHal4Nfc_Hwref,
    124                                     PH_HAL4NFC_TGT_MERGE_ADDRESS,
    125                                     PH_HAL4NFC_TGT_MERGE_SAK /*config value*/
    126                                     );
    127         }
    128         if(NFCSTATUS_PENDING != status)
    129 #endif/*#ifdef MERGE_SAK_SW1*/
    130         {
    131             /*Update State*/
    132             Hal4Ctxt->Hal4CurrentState = Hal4Ctxt->Hal4NextState;
    133             Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
    134             Hal4Ctxt->sUpperLayerInfo.pUpperOpenCb = NULL;
    135             if(NULL != pUpper_OpenCb)
    136             {
    137                 /*Upper layer's Open Cb*/
    138                 (*pUpper_OpenCb)(Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
    139                     NFCSTATUS_SUCCESS
    140                     );
    141             }
    142         }
    143     }
    144     else/*Open did not succeed.Go back to reset state*/
    145     {
    146         Hal4Ctxt->Hal4CurrentState = eHal4StateClosed;
    147         Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
    148         Hal4Ctxt->psHciHandle = NULL;
    149         phOsalNfc_FreeMemory((void *)Hal4Ctxt->pHal4Nfc_LayerCfg);
    150         Hal4Ctxt->pHal4Nfc_LayerCfg = NULL;
    151         phOsalNfc_FreeMemory((void *)Hal4Ctxt);
    152         gpphHal4Nfc_Hwref->hal_context = NULL;
    153         gpphHal4Nfc_Hwref = NULL;
    154         PHDBG_INFO("Hal4:Open Failed");
    155         /*Call upper layer's Open Cb with error status*/
    156         if(NULL != pUpper_OpenCb)
    157         {
    158             /*Upper layer's Open Cb*/
    159             (*pUpper_OpenCb)(pUpper_Context,status);
    160         }
    161     }
    162     return;
    163 }
    164 
    165 /**
    166  *  The close callback function called by the HCI when close  sequence is
    167  *  completed or if there is an error in closing.
    168  *  It is passed as a parameter to HCI when calling HCI Release.
    169  */
    170 static void phHal4Nfc_CloseComplete(
    171                                     phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
    172                                     void *pInfo
    173                                     )
    174 {
    175     NFCSTATUS   status= ((phNfc_sCompletionInfo_t *)pInfo)->status;
    176     pphHal4Nfc_GenCallback_t pUpper_CloseCb;
    177     void                    *pUpper_Context;
    178     uint8_t                 RemoteDevNumber = 0;
    179     pUpper_CloseCb = Hal4Ctxt->sUpperLayerInfo.pUpperCloseCb;
    180     pUpper_Context = Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt;
    181     /*Update state*/
    182     Hal4Ctxt->Hal4CurrentState = Hal4Ctxt->Hal4NextState;
    183     Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
    184     /*If Closed successfully*/
    185     if(NFCSTATUS_SUCCESS == status)
    186     {
    187         Hal4Ctxt->psHciHandle = NULL;
    188         /*Free all heap allocations*/
    189         phOsalNfc_FreeMemory((void *)Hal4Ctxt->pHal4Nfc_LayerCfg);
    190         Hal4Ctxt->pHal4Nfc_LayerCfg = NULL;
    191         /*Free ADD context info*/
    192         if(NULL != Hal4Ctxt->psADDCtxtInfo)
    193         {
    194             while(RemoteDevNumber < MAX_REMOTE_DEVICES)
    195             {
    196                 if(NULL != Hal4Ctxt->rem_dev_list[RemoteDevNumber])
    197                 {
    198                     phOsalNfc_FreeMemory((void *)
    199                                     (Hal4Ctxt->rem_dev_list[RemoteDevNumber]));
    200                     Hal4Ctxt->rem_dev_list[RemoteDevNumber] = NULL;
    201                 }
    202                 RemoteDevNumber++;
    203             }
    204             Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
    205             phOsalNfc_FreeMemory(Hal4Ctxt->psADDCtxtInfo);
    206         }/*if(NULL != Hal4Ctxt->psADDCtxtInfo)*/
    207         /*Free Trcv context info*/
    208         if(NULL != Hal4Ctxt->psTrcvCtxtInfo)
    209         {
    210             if(NULL != Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer)
    211             {
    212                     phOsalNfc_FreeMemory(
    213                         Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer
    214                         );
    215             }
    216             if((NULL == Hal4Ctxt->sTgtConnectInfo.psConnectedDevice)
    217                 && (NULL != Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData))
    218             {
    219                 phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData);
    220             }
    221             phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo);
    222         }/*if(NULL != Hal4Ctxt->psTrcvCtxtInfo)*/
    223         /*Free Hal context and Hardware reference*/
    224         gpphHal4Nfc_Hwref->hal_context = NULL;
    225         gpphHal4Nfc_Hwref = NULL;
    226         phOsalNfc_FreeMemory((void *)Hal4Ctxt);
    227     }/* if(NFCSTATUS_SUCCESS == status)*/
    228     /*Call Upper layer's Close Cb with status*/
    229     (*pUpper_CloseCb)(pUpper_Context,status);
    230     return;
    231 }
    232 
    233 
    234 /*
    235 * For configuring the various layers during the Initialization call
    236 *
    237 *
    238 */
    239 static
    240 NFCSTATUS
    241 phHal4Nfc_Configure_Layers(
    242                         phNfcLayer_sCfg_t       **pphLayer
    243                         )
    244 {
    245     uint8_t index = HAL4_LAYERS - 1;
    246     uint8_t i = 0;
    247     NFCSTATUS status = NFCSTATUS_SUCCESS ;
    248     PHDBG_INFO("Hal4:Configuring layers");
    249     *pphLayer = (phNfcLayer_sCfg_t *) phOsalNfc_GetMemory(
    250                             sizeof(phNfcLayer_sCfg_t) * HAL4_LAYERS);
    251 
    252     if( NULL == *pphLayer)
    253     {
    254         status = PHNFCSTVAL(CID_NFC_HAL,
    255                     NFCSTATUS_INSUFFICIENT_RESOURCES);/*Memory allocation error*/
    256     }
    257     else
    258     {
    259 
    260         (void)memset((void *)*pphLayer,0,(
    261                                 sizeof(phNfcLayer_sCfg_t) * HAL4_LAYERS));
    262 
    263         for(i=0 ; i < HAL4_LAYERS ;i++, index-- )
    264         {
    265             (*pphLayer + i)->layer_index = index;
    266             switch(index)
    267             {
    268                 case LAYER_HCI: /*Configure Hci*/
    269                 {
    270                     (*pphLayer+i)->layer_name  =(uint8_t *) "Hci";
    271                     (*pphLayer+i)->layer_registry  = NULL;
    272                     (*pphLayer+i)->layer_next  =
    273                                     (((phNfcLayer_sCfg_t *)*pphLayer) + i + 1);
    274                     break;
    275                 }
    276                 case LAYER_LLC:/*Configure LLC*/
    277                 {
    278                     (*pphLayer+i)->layer_registry  = phLlcNfc_Register;
    279                     (*pphLayer+i)->layer_name  = (uint8_t *)"Llc";
    280                     (*pphLayer+i)->layer_next  =
    281                                     (((phNfcLayer_sCfg_t *)*pphLayer) + i + 1);
    282                     break;
    283                 }
    284                 case LAYER_DAL: /*Configure the DAL*/
    285                 {
    286                     (*pphLayer+i)->layer_registry  = phDal4Nfc_Register;
    287                     (*pphLayer+i)->layer_name  = (uint8_t *)"Dal";
    288                     (*pphLayer+i)->layer_next  = NULL ;
    289                     break;
    290                 }
    291                 default:
    292                     break;
    293             } /* End of Switch */
    294         }   /* End of For Loop */
    295     }   /* End of NULL Check */
    296 
    297     return status ;
    298 }
    299 
    300 
    301 
    302 #ifdef ANDROID
    303 
    304 #define LOG_TAG "NFC-HCI"
    305 
    306 #include <utils/Log.h>
    307 #include <dlfcn.h>
    308 
    309 #define FW_PATH "/vendor/firmware/libpn544_fw.so"
    310 
    311 const unsigned char *nxp_nfc_full_version = NULL;
    312 const unsigned char *nxp_nfc_fw = NULL;
    313 
    314 int dlopen_firmware() {
    315     void *p;
    316 
    317     void *handle = dlopen(FW_PATH, RTLD_NOW);
    318     if (handle == NULL) {
    319         ALOGE("Could not open %s", FW_PATH);
    320         return -1;
    321     }
    322 
    323     p = dlsym(handle, "nxp_nfc_full_version");
    324     if (p == NULL) {
    325         ALOGE("Could not link nxp_nfc_full_version");
    326         return -1;
    327     }
    328     nxp_nfc_full_version = (unsigned char *)p;
    329 
    330     p = dlsym(handle, "nxp_nfc_fw");
    331     if (p == NULL) {
    332         ALOGE("Could not link nxp_nfc_fw");
    333         return -1;
    334     }
    335     nxp_nfc_fw = (unsigned char *)p;
    336 
    337     return 0;
    338 }
    339 #endif
    340 
    341 /**
    342  *  The open function called by the upper HAL when HAL4 is to be opened
    343  *  (initialized).
    344  *
    345  */
    346 NFCSTATUS phHal4Nfc_Open(
    347                          phHal_sHwReference_t       *psHwReference,
    348                          phHal4Nfc_InitType_t        InitType,
    349                          pphHal4Nfc_GenCallback_t    pOpenCallback,
    350                          void                       *pContext
    351                          )
    352 {
    353     NFCSTATUS openRetVal = NFCSTATUS_SUCCESS;
    354     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
    355     phHciNfc_Init_t   eHciInitType = (phHciNfc_Init_t)InitType;
    356     /*Set Default Clock settings once*/
    357     static phHal_sHwConfig_t sHwConfig = {
    358         {0},
    359         NXP_DEFAULT_CLK_REQUEST,
    360         NXP_DEFAULT_INPUT_CLK
    361         };
    362     /*NULL checks*/
    363     if(NULL == psHwReference || NULL == pOpenCallback)
    364     {
    365         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
    366         openRetVal = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_PARAMETER);
    367     }
    368     else if(NULL != gpphHal4Nfc_Hwref)
    369     {
    370         /*Hal4 context is open or open in progress ,return Ctxt already open*/
    371         openRetVal =  PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_ALREADY_INITIALISED);
    372     }
    373     else/*Do an initialization*/
    374     {
    375 #ifdef ANDROID
    376         dlopen_firmware();
    377 #endif
    378 
    379         /*If hal4 ctxt in Hwreference is NULL create a new context*/
    380         if(NULL == ((phHal_sHwReference_t *)psHwReference)->hal_context)
    381         {
    382             Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)
    383                                 phOsalNfc_GetMemory((uint32_t)sizeof(
    384                                                         phHal4Nfc_Hal4Ctxt_t)
    385                                                         );
    386             ((phHal_sHwReference_t *)psHwReference)->hal_context = Hal4Ctxt;
    387         }
    388         else/*Take context from Hw reference*/
    389         {
    390             Hal4Ctxt = ((phHal_sHwReference_t *)psHwReference)->hal_context;
    391         }
    392         if(NULL == Hal4Ctxt)
    393         {
    394             openRetVal = PHNFCSTVAL(CID_NFC_HAL,
    395                         NFCSTATUS_INSUFFICIENT_RESOURCES);
    396         }
    397         else
    398         {
    399             (void)memset((void *)Hal4Ctxt,
    400                         0,
    401                         ((uint32_t)sizeof(phHal4Nfc_Hal4Ctxt_t)));
    402             /* Configure layers if not configured */
    403             if( NULL == Hal4Ctxt->pHal4Nfc_LayerCfg )
    404             {
    405                 openRetVal = phHal4Nfc_Configure_Layers(
    406                                                   &(Hal4Ctxt->pHal4Nfc_LayerCfg)
    407                                                   );
    408             }
    409 
    410             if( openRetVal == NFCSTATUS_SUCCESS )
    411             {
    412                 /*update Next state*/
    413                 Hal4Ctxt->Hal4NextState = (HCI_NFC_DEVICE_TEST == eHciInitType?
    414                                 eHal4StateSelfTestMode:eHal4StateOpenAndReady);
    415                 /*Store callback and context ,and set Default settings in Context*/
    416                 Hal4Ctxt->sUpperLayerInfo.pUpperOpenCb = pOpenCallback;
    417                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
    418                 Hal4Ctxt->sTgtConnectInfo.EmulationState = NFC_EVT_DEACTIVATED;
    419                 gpphHal4Nfc_Hwref = psHwReference;
    420                 PHDBG_INFO("Hal4:Calling Hci-Init");
    421                 openRetVal = phHciNfc_Initialise (
    422                                         (void *)&Hal4Ctxt->psHciHandle,
    423                                         psHwReference,
    424                                         eHciInitType,
    425                                         &sHwConfig,
    426                                         (pphNfcIF_Notification_CB_t)
    427                                             phHal4Nfc_LowerNotificationHandler,
    428                                         (void *)Hal4Ctxt,
    429                                         Hal4Ctxt->pHal4Nfc_LayerCfg
    430                                         );
    431                 /*Hci Init did not succeed.free Resources and return*/
    432                 if( (openRetVal != NFCSTATUS_SUCCESS)
    433                             && (PHNFCSTATUS (openRetVal) != NFCSTATUS_PENDING) )
    434                 {
    435                     phOsalNfc_FreeMemory(Hal4Ctxt->pHal4Nfc_LayerCfg);
    436                     phOsalNfc_FreeMemory(Hal4Ctxt);
    437                     Hal4Ctxt = NULL;
    438                 }
    439             }/*if( openRetVal == NFCSTATUS_SUCCESS )*/
    440             else/*Free the context*/
    441             {
    442                 phOsalNfc_FreeMemory(Hal4Ctxt);
    443             }/*else*/
    444         }
    445     }
    446     return openRetVal;
    447 }
    448 
    449 /**  The I/O Control function allows the caller to use (vendor-) specific
    450 *  functionality provided by the lower layer or by the hardware. */
    451 NFCSTATUS phHal4Nfc_Ioctl(
    452                           phHal_sHwReference_t       *psHwReference,
    453                           uint32_t                    IoctlCode,
    454                           phNfc_sData_t              *pInParam,
    455                           phNfc_sData_t              *pOutParam,
    456                           pphHal4Nfc_IoctlCallback_t  pIoctlCallback,
    457                           void                       *pContext
    458                           )
    459 {
    460     NFCSTATUS RetStatus = NFCSTATUS_FAILED;
    461     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
    462     uint32_t config_type = 0;
    463     uint8_t ind = 0;
    464     /*NULL checks*/
    465     if((NULL == psHwReference)
    466         || (NULL == pIoctlCallback)
    467         )
    468     {
    469         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
    470         RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_PARAMETER);
    471     }
    472     /*Only the Ioctls NFC_FW_DOWNLOAD_CHECK and NFC_FW_DOWNLOAD are allowed in
    473       the uninitialized state of HAL*/
    474     else if(NULL == psHwReference->hal_context)
    475     {
    476 #ifdef FW_DOWNLOAD
    477 
    478 #if  !defined (NXP_FW_INTEGRITY_VERIFY)
    479         if(NFC_FW_DOWNLOAD_CHECK == IoctlCode)
    480         {
    481             RetStatus = phDnldNfc_Run_Check(
    482                 psHwReference
    483                 );
    484         }
    485         else
    486 #endif /* !defined (NXP_FW_INTEGRITY_VERIFY) */
    487         if((NFC_FW_DOWNLOAD == IoctlCode)
    488             &&(NULL == gpphHal4Nfc_Hwref))/*Indicates current state is shutdown*/
    489         {
    490             Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)
    491                 phOsalNfc_GetMemory((uint32_t)sizeof(
    492                                                 phHal4Nfc_Hal4Ctxt_t)
    493                                                 );
    494             if(NULL == Hal4Ctxt)
    495             {
    496                 RetStatus = PHNFCSTVAL(CID_NFC_HAL,
    497                     NFCSTATUS_INSUFFICIENT_RESOURCES);
    498             }
    499             else
    500             {
    501                 ((phHal_sHwReference_t *)psHwReference)->hal_context
    502                     = Hal4Ctxt;
    503                 (void)memset((void *)Hal4Ctxt,
    504                                  0,
    505                                    ((uint32_t)sizeof(phHal4Nfc_Hal4Ctxt_t)));
    506                 Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
    507                 Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb
    508                     = pIoctlCallback;/*Register upper layer callback*/
    509                 Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam = pOutParam;
    510                 /*Upgrade the firmware*/
    511                 RetStatus = phDnldNfc_Upgrade (
    512                         psHwReference,
    513                         phHal4Nfc_DownloadComplete,
    514                         Hal4Ctxt
    515                         );
    516                 if((NFCSTATUS_SUCCESS == RetStatus)
    517                     || (NFCSTATUS_PENDING != PHNFCSTATUS(RetStatus))
    518                     )
    519                 {
    520                     phOsalNfc_FreeMemory(Hal4Ctxt);
    521                     ((phHal_sHwReference_t *)psHwReference)->hal_context = NULL;
    522                 }
    523             }
    524         }
    525         else
    526 #endif/*NFC_FW_DOWNLOAD*/
    527         {
    528             RetStatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_NOT_INITIALISED);
    529         }
    530     }
    531     else/*Status is Initialised*/
    532     {
    533         /*Register upper layer context*/
    534         Hal4Ctxt = psHwReference->hal_context;
    535         Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam = pOutParam;
    536         switch(IoctlCode)
    537         {
    538         /*Self test Ioctls*/
    539         case DEVMGMT_ANTENNA_TEST:
    540         case DEVMGMT_SWP_TEST:
    541         case DEVMGMT_NFCWI_TEST:
    542             if(eHal4StateSelfTestMode ==Hal4Ctxt->Hal4CurrentState)
    543             {
    544                 RetStatus = phHciNfc_System_Test(
    545                     Hal4Ctxt->psHciHandle,
    546                     (void *)psHwReference,
    547                     IoctlCode ,
    548                     pInParam
    549                     );
    550             }
    551             break;
    552         /*PRBS Test*/
    553         case DEVMGMT_PRBS_TEST:
    554             RetStatus = phHciNfc_PRBS_Test(
    555                 Hal4Ctxt->psHciHandle,
    556                 (void *)psHwReference,
    557                 IoctlCode ,
    558                 pInParam
    559                 );
    560             break;
    561         /*To Set Antenna Power Level*/
    562         case NFC_ANTENNA_CWG:
    563             if(eHal4StateSelfTestMode ==Hal4Ctxt->Hal4CurrentState)
    564             {
    565                 RetStatus = phHciNfc_System_Configure (
    566                     Hal4Ctxt->psHciHandle,
    567                     (void *)psHwReference,
    568                     NFC_ANTENNA_CWG,
    569                     pInParam->buffer[0] /**Set Power Level*/
    570                     );
    571 
    572             }
    573             break;
    574         /*Not allowed when Init is complete*/
    575         case NFC_FW_DOWNLOAD_CHECK:
    576         case NFC_FW_DOWNLOAD:
    577             RetStatus = PHNFCSTVAL(CID_NFC_HAL,
    578                 NFCSTATUS_BUSY);
    579             break;
    580         /*Gpio read*/
    581         case NFC_GPIO_READ:
    582             /* if(eHal4StateSelfTestMode == Hal4Ctxt->Hal4CurrentState) */
    583             {
    584                 RetStatus = phHciNfc_System_Get_Info(
    585                     Hal4Ctxt->psHciHandle,
    586                     (void *)psHwReference,
    587                     IoctlCode ,
    588                     pOutParam->buffer
    589                     );
    590             }
    591             break;
    592         /*Used to Read Memory/Registers .3 bytes of Array passed form the
    593           address to read from in MSB first format.*/
    594         case NFC_MEM_READ:
    595             {
    596                 if((NULL != pInParam)
    597                     && (pInParam->length == 3))
    598                 {
    599                     for( ind = 0; ind < 3; ind++ )
    600                     {
    601                         config_type = ((config_type << BYTE_SIZE )
    602                                         | (pInParam->buffer[ind] ));
    603                     }
    604                     RetStatus = phHciNfc_System_Get_Info(
    605                         Hal4Ctxt->psHciHandle,
    606                         (void *)psHwReference,
    607                         config_type ,
    608                         pOutParam->buffer
    609                         );
    610                 }
    611                 else
    612                 {
    613                     RetStatus = PHNFCSTVAL(CID_NFC_HAL,
    614                         NFCSTATUS_INVALID_PARAMETER);
    615                 }
    616             }
    617             break;
    618         /*Used to Write Memory/Registers .First 3 bytes of Array passed in MSB
    619           first format form the address to write to.The 4th Byte is the 8 bit
    620           value to be written to the address*/
    621         case NFC_MEM_WRITE:
    622             {
    623                 if((NULL != pInParam)
    624                     && (pInParam->length == 4))
    625                 {
    626                     for( ind = 0; ind < 3; ind++ )
    627                     {
    628                         config_type = ((config_type << BYTE_SIZE )
    629                                         | (pInParam->buffer[ind] ));
    630                     }
    631                     RetStatus = phHciNfc_System_Configure (
    632                         Hal4Ctxt->psHciHandle,
    633                         (void *)psHwReference,
    634                         config_type,
    635                         pInParam->buffer[3] /*config value*/
    636                         );
    637                 }
    638                 else
    639                 {
    640                     RetStatus = PHNFCSTVAL(CID_NFC_HAL ,
    641                         NFCSTATUS_INVALID_PARAMETER);
    642                 }
    643             }
    644             break;
    645         default:
    646             break;
    647         }
    648         if(NFCSTATUS_PENDING == RetStatus)/*Callback Pending*/
    649         {
    650             /*Register upper layer callback and context*/
    651             Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
    652             Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb= pIoctlCallback;
    653             /*Store the Ioctl code*/
    654             Hal4Ctxt->Ioctl_Type = IoctlCode;
    655         }
    656     }
    657     return RetStatus;
    658 }
    659 
    660 
    661 /**
    662  *  The close function called by the upper layer when HAL4 is to be closed
    663  *  (shutdown).
    664  */
    665 NFCSTATUS phHal4Nfc_Close(
    666                           phHal_sHwReference_t *psHwReference,
    667                           pphHal4Nfc_GenCallback_t pCloseCallback,
    668                           void *pContext
    669                           )
    670 {
    671     NFCSTATUS closeRetVal = NFCSTATUS_SUCCESS;
    672     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
    673     /*NULL checks*/
    674     if(NULL == psHwReference || NULL == pCloseCallback)
    675     {
    676         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
    677         closeRetVal = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_INVALID_PARAMETER);
    678     }
    679     else if((NULL == psHwReference->hal_context)
    680                         || (((phHal4Nfc_Hal4Ctxt_t *)
    681                                 psHwReference->hal_context)->Hal4CurrentState
    682                                                < eHal4StateSelfTestMode)
    683                         || (((phHal4Nfc_Hal4Ctxt_t *)
    684                                 psHwReference->hal_context)->Hal4NextState
    685                                                == eHal4StateClosed))
    686     {
    687         /*return already closed*/
    688         closeRetVal= PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_NOT_INITIALISED);
    689     }
    690     else  /*Close the HAL*/
    691     {
    692         /*Get Hal4 context from Hw reference*/
    693         Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)((phHal_sHwReference_t *)
    694                                                psHwReference)->hal_context;
    695         /*Unregister Tag Listener*/
    696         if(NULL != Hal4Ctxt->psADDCtxtInfo)
    697         {
    698             Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification = NULL;
    699         }
    700         /*store Callback and Context*/
    701         Hal4Ctxt->sUpperLayerInfo.pUpperCloseCb = pCloseCallback;
    702         Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
    703         /*Call Hci Release*/
    704         PHDBG_INFO("Hal4:Calling Hci Release");
    705         closeRetVal =(NFCSTATUS)phHciNfc_Release(
    706                                     (void *)Hal4Ctxt->psHciHandle,
    707                                     psHwReference,
    708                                     (pphNfcIF_Notification_CB_t)
    709                                     phHal4Nfc_LowerNotificationHandler,
    710                                     (void *)Hal4Ctxt
    711                                     );
    712         /*Update Next state and exit*/
    713         if( PHNFCSTATUS (closeRetVal) == NFCSTATUS_PENDING )
    714         {
    715             Hal4Ctxt->Hal4NextState = eHal4StateClosed;
    716             Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification = NULL;
    717         }
    718         else
    719         {
    720 
    721         }
    722     }
    723     return closeRetVal;
    724 }
    725 
    726 /*Forcibly shutdown the HAl4.Frees all Resources in use by Hal4 before shutting
    727   down*/
    728 void phHal4Nfc_Hal4Reset(
    729                          phHal_sHwReference_t *pHwRef,
    730                          void                 *pContext
    731                          )
    732 {
    733     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
    734     NFCSTATUS             closeRetVal = NFCSTATUS_SUCCESS;
    735     uint8_t               RemoteDevNumber = 0;
    736     if(pHwRef ==NULL)
    737     {
    738         closeRetVal = PHNFCSTVAL(CID_NFC_HAL , NFCSTATUS_INVALID_PARAMETER);
    739     }
    740     else if(pHwRef->hal_context != NULL)
    741     {
    742         /*Get the Hal context*/
    743         Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)pHwRef->hal_context;
    744         /*store the upper layer context*/
    745         Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt = pContext;
    746         Hal4Ctxt->Hal4NextState = eHal4StateClosed;
    747         Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification = NULL;
    748         /*Call Hci Release*/
    749         PHDBG_INFO("Hal4:Calling Hci Release");
    750         closeRetVal =(NFCSTATUS)phHciNfc_Release(
    751                                             (void *)Hal4Ctxt->psHciHandle,
    752                                             pHwRef,
    753                                             (pphNfcIF_Notification_CB_t)NULL,
    754                                             (void *)Hal4Ctxt
    755                                             );/*Clean up Hci*/
    756         Hal4Ctxt->Hal4CurrentState = eHal4StateClosed;
    757         phOsalNfc_FreeMemory((void *)Hal4Ctxt->pHal4Nfc_LayerCfg);
    758         Hal4Ctxt->pHal4Nfc_LayerCfg = NULL;
    759         /*Free ADD context*/
    760         if(NULL != Hal4Ctxt->psADDCtxtInfo)
    761         {
    762             Hal4Ctxt->sUpperLayerInfo.pTagDiscoveryNotification = NULL;
    763             while(RemoteDevNumber < MAX_REMOTE_DEVICES)
    764             {
    765                 if(NULL != Hal4Ctxt->rem_dev_list[RemoteDevNumber])
    766                 {
    767                     phOsalNfc_FreeMemory((void *)
    768                             (Hal4Ctxt->rem_dev_list[RemoteDevNumber]));
    769                     Hal4Ctxt->rem_dev_list[RemoteDevNumber] = NULL;
    770                 }
    771                 RemoteDevNumber++;
    772             }
    773             Hal4Ctxt->psADDCtxtInfo->nbr_of_devices = 0;
    774             phOsalNfc_FreeMemory(Hal4Ctxt->psADDCtxtInfo);
    775         }
    776         /*Free Trcv context*/
    777         if(NULL != Hal4Ctxt->psTrcvCtxtInfo)
    778         {
    779             if(NULL != Hal4Ctxt->psTrcvCtxtInfo->sLowerRecvData.buffer)
    780             {
    781                 phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo
    782                                                     ->sLowerRecvData.buffer);
    783             }
    784             if((NULL == Hal4Ctxt->sTgtConnectInfo.psConnectedDevice)
    785                 && (NULL != Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData))
    786             {
    787                 phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo->psUpperSendData);
    788             }
    789             phOsalNfc_FreeMemory(Hal4Ctxt->psTrcvCtxtInfo);
    790         }
    791         phOsalNfc_FreeMemory(Hal4Ctxt);/*Free the context*/
    792         pHwRef->hal_context = NULL;
    793         gpphHal4Nfc_Hwref = NULL;
    794     }
    795     else
    796     {
    797         /*Hal4 Context is already closed.Return Success*/
    798     }
    799     /*Reset Should always return Success*/
    800     if(closeRetVal != NFCSTATUS_SUCCESS)
    801     {
    802         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
    803     }
    804     return;
    805 }
    806 
    807 /**
    808  *  \if hal
    809  *   \ingroup grp_hal_common
    810  *  \else
    811  *   \ingroup grp_mw_external_hal_funcs
    812  *  \endif
    813  *
    814  *  Retrieves the capabilities of the device represented by the Hardware
    815  *  Reference parameter.
    816  *  The HW, SW versions, the MTU and other mandatory information are located
    817  *  inside the pDevCapabilities parameter.
    818  */
    819 NFCSTATUS phHal4Nfc_GetDeviceCapabilities(
    820                             phHal_sHwReference_t          *psHwReference,
    821                             phHal_sDeviceCapabilities_t   *psDevCapabilities,
    822                             void                          *pContext
    823                             )
    824 {
    825     NFCSTATUS retstatus = NFCSTATUS_SUCCESS;
    826     /*NULL checks*/
    827     if(psDevCapabilities == NULL || psHwReference == NULL || pContext == NULL)
    828     {
    829         retstatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_INVALID_PARAMETER);
    830     }
    831     /*Check for Initialized state*/
    832     else if((NULL == psHwReference->hal_context)
    833                         || (((phHal4Nfc_Hal4Ctxt_t *)
    834                                 psHwReference->hal_context)->Hal4CurrentState
    835                                                < eHal4StateOpenAndReady)
    836                         || (((phHal4Nfc_Hal4Ctxt_t *)
    837                                 psHwReference->hal_context)->Hal4NextState
    838                                                == eHal4StateClosed))
    839     {
    840         retstatus = PHNFCSTVAL(CID_NFC_HAL ,NFCSTATUS_NOT_INITIALISED);
    841     }
    842     else/*Provide Device capabilities and Version Info to the caller*/
    843     {
    844         (void)memcpy((void *)psDevCapabilities,
    845             (void *)&(psHwReference->device_info),
    846             sizeof(phHal_sDeviceCapabilities_t));
    847         psDevCapabilities->ReaderSupProtocol.Felica         = TRUE;
    848         psDevCapabilities->ReaderSupProtocol.ISO14443_4A    = TRUE;
    849         psDevCapabilities->ReaderSupProtocol.ISO14443_4B    = TRUE;
    850         psDevCapabilities->ReaderSupProtocol.ISO15693       = TRUE;
    851         psDevCapabilities->ReaderSupProtocol.Jewel          = TRUE;
    852         psDevCapabilities->ReaderSupProtocol.MifareStd      = TRUE;
    853         psDevCapabilities->ReaderSupProtocol.MifareUL       = TRUE;
    854         psDevCapabilities->ReaderSupProtocol.NFC            = TRUE;
    855         psDevCapabilities->EmulationSupProtocol.Felica      = FALSE;
    856         psDevCapabilities->EmulationSupProtocol.ISO14443_4A = FALSE;
    857         psDevCapabilities->EmulationSupProtocol.ISO14443_4B = FALSE;
    858         psDevCapabilities->EmulationSupProtocol.ISO15693    = FALSE;
    859         psDevCapabilities->EmulationSupProtocol.Jewel       = FALSE;
    860         psDevCapabilities->EmulationSupProtocol.MifareStd   = FALSE;
    861         psDevCapabilities->EmulationSupProtocol.MifareUL    = FALSE;
    862         psDevCapabilities->EmulationSupProtocol.NFC         = TRUE;
    863         psDevCapabilities->hal_version = (
    864                     (((PH_HAL4NFC_INTERFACE_VERSION << BYTE_SIZE)
    865                       |(PH_HAL4NFC_INTERFACE_REVISION)<<BYTE_SIZE)
    866                       |(PH_HAL4NFC_INTERFACE_PATCH)<<BYTE_SIZE)
    867                       |PH_HAL4NFC_INTERAFECE_BUILD
    868                       );
    869     }
    870     return retstatus;
    871 }
    872 
    873 /*
    874  * Handles all notifications received from HCI layer.
    875  *
    876  */
    877 static void phHal4Nfc_LowerNotificationHandler(
    878                                     void    *pContext,
    879                                     void    *pHwRef,
    880                                     uint8_t  type,
    881                                     void     *pInfo
    882                                     )
    883 {
    884     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
    885     if((NULL == pInfo) || (NULL == pHwRef)
    886         || (NULL == pContext))
    887     {
    888         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
    889     }
    890     else
    891     {
    892         /*A copy of hardware reference is maintained in HAL for comparing passed
    893           and returned context.Set to NULL after a Shutdown*/
    894         if(NULL != gpphHal4Nfc_Hwref)/*Get context from Hw ref*/
    895         {
    896             Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)gpphHal4Nfc_Hwref->hal_context;
    897             if(NFC_INVALID_RELEASE_TYPE == Hal4Ctxt->sTgtConnectInfo.ReleaseType)
    898             {
    899                 Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)pContext;
    900                 gpphHal4Nfc_Hwref = (phHal_sHwReference_t *)pHwRef;
    901             }
    902         }
    903         else/*No Copy of Hw ref in HAL.Copy both Hwref and Hal context passed
    904              by Hci*/
    905         {
    906             Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)pContext;
    907             gpphHal4Nfc_Hwref = (phHal_sHwReference_t *)pHwRef;
    908         }
    909         /*Check the type of notification received from Hci and handle it
    910           accordingly*/
    911         switch(type)
    912         {
    913             case NFC_NOTIFY_INIT_COMPLETED:
    914             case NFC_NOTIFY_INIT_FAILED:
    915                 phHal4Nfc_OpenComplete(Hal4Ctxt,pInfo);
    916                 break;
    917             case NFC_IO_SUCCESS:
    918             case NFC_IO_ERROR:
    919                 phHal4Nfc_IoctlComplete(Hal4Ctxt,pInfo);
    920                 break;
    921             case NFC_NOTIFY_RESULT:
    922                 phHal4Nfc_SelfTestComplete(Hal4Ctxt,pInfo);
    923                 break;
    924             case NFC_NOTIFY_DEINIT_COMPLETED:
    925             case NFC_NOTIFY_DEINIT_FAILED:
    926                 phHal4Nfc_CloseComplete(Hal4Ctxt,pInfo);
    927                 break;
    928             case NFC_NOTIFY_POLL_ENABLED:
    929             case NFC_NOTIFY_POLL_DISABLED:
    930             case NFC_NOTIFY_POLL_RESTARTED:
    931             case NFC_NOTIFY_CONFIG_ERROR:
    932             case NFC_NOTIFY_CONFIG_SUCCESS:
    933                 phHal4Nfc_ConfigureComplete(Hal4Ctxt,pInfo,type);
    934                 break;
    935             case NFC_NOTIFY_TARGET_DISCOVERED:
    936             case NFC_NOTIFY_DISCOVERY_ERROR:
    937                 phHal4Nfc_TargetDiscoveryComplete(Hal4Ctxt,pInfo);
    938                 break;
    939             case NFC_NOTIFY_TARGET_REACTIVATED:
    940                 phHal4Nfc_ReactivationComplete(Hal4Ctxt,pInfo);
    941                 break;
    942             case NFC_NOTIFY_EVENT:
    943                 PHDBG_INFO("Hal4:Calling Event callback");
    944                 phHal4Nfc_HandleEvent(Hal4Ctxt,pInfo);
    945                 break;
    946             case NFC_NOTIFY_TARGET_CONNECTED:
    947                 PHDBG_INFO("Hal4:Calling Hal4 Connect complete");
    948                 phHal4Nfc_ConnectComplete(Hal4Ctxt,pInfo);
    949                 break;
    950 
    951             case NFC_NOTIFY_TARGET_DISCONNECTED:
    952             {
    953                 PHDBG_INFO("Hal4:Target Disconnected");
    954                 if(Hal4Ctxt->Hal4NextState == eHal4StatePresenceCheck)
    955                 {
    956                     phHal4Nfc_PresenceChkComplete(Hal4Ctxt,pInfo);
    957                 }
    958                 else
    959                 {
    960                     phHal4Nfc_DisconnectComplete(Hal4Ctxt,pInfo);
    961                 }
    962                 break;
    963             }
    964             case NFC_NOTIFY_TRANSCEIVE_COMPLETED:
    965             case NFC_NOTIFY_TRANSCEIVE_ERROR    :
    966                 PHDBG_INFO("Hal4:Transceive Callback");
    967                 if(NULL != Hal4Ctxt->psTrcvCtxtInfo)
    968                 {
    969 #ifdef TRANSACTION_TIMER
    970                     if(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
    971                         != PH_OSALNFC_INVALID_TIMER_ID)
    972                     {
    973                         phOsalNfc_Timer_Stop(
    974                             Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
    975                             );
    976                         phOsalNfc_Timer_Delete(
    977                             Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
    978                             );
    979                         Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
    980                                     = PH_OSALNFC_INVALID_TIMER_ID;
    981                     }
    982 #endif /*TRANSACTION_TIMER*/
    983                     phHal4Nfc_TransceiveComplete(Hal4Ctxt,pInfo);
    984                 }
    985                 break;
    986             case NFC_NOTIFY_SEND_COMPLETED   :
    987                 PHDBG_INFO("Hal4:NfcIp1 Send Callback");
    988                 if(NULL != Hal4Ctxt->psTrcvCtxtInfo)
    989                 {
    990                     phHal4Nfc_SendCompleteHandler(Hal4Ctxt,pInfo);
    991                 }
    992                 break;
    993             case NFC_NOTIFY_TRANSACTION  :
    994                 phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
    995                 break;
    996             case NFC_NOTIFY_RECV_ERROR    :
    997             case NFC_NOTIFY_RECV_EVENT    :
    998                 PHDBG_INFO("Hal4:Receive Event");
    999                 if(NULL != Hal4Ctxt->psTrcvCtxtInfo)
   1000                 {
   1001                     if(Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
   1002                         != PH_OSALNFC_INVALID_TIMER_ID)
   1003                     {
   1004                         phOsalNfc_Timer_Stop(
   1005                             Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
   1006                             );
   1007                         phOsalNfc_Timer_Delete(
   1008                             Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
   1009                             );
   1010                         Hal4Ctxt->psTrcvCtxtInfo->TransactionTimerId
   1011                             = PH_OSALNFC_INVALID_TIMER_ID;
   1012                     }
   1013                 }
   1014                 phHal4Nfc_RecvCompleteHandler(Hal4Ctxt,pInfo);
   1015                 break;
   1016             case NFC_NOTIFY_TARGET_PRESENT:
   1017                 phHal4Nfc_PresenceChkComplete(Hal4Ctxt,pInfo);
   1018                 break;
   1019             case NFC_NOTIFY_DEVICE_ERROR:
   1020             {
   1021                 NFCSTATUS status = NFCSTATUS_BOARD_COMMUNICATION_ERROR;
   1022                 pphHal4Nfc_GenCallback_t pUpper_OpenCb
   1023                                                 = Hal4Ctxt->sUpperLayerInfo.pUpperOpenCb;
   1024                 void                   *pUpper_Context
   1025                                             = Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt;
   1026                 static phHal4Nfc_NotificationInfo_t uNotificationInfo;
   1027                 if(NULL != Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler)
   1028                 {
   1029                     Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
   1030                     Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler(
   1031                         Hal4Ctxt->sUpperLayerInfo.DefaultListenerCtxt,
   1032                         NFC_EVENT_NOTIFICATION,
   1033                         uNotificationInfo,
   1034                         NFCSTATUS_BOARD_COMMUNICATION_ERROR
   1035                         );
   1036                 }
   1037                 else if (( eHal4StateSelfTestMode == Hal4Ctxt->Hal4NextState )
   1038                     || ( eHal4StateOpenAndReady == Hal4Ctxt->Hal4NextState ) )
   1039                 {
   1040                     Hal4Ctxt->Hal4CurrentState = eHal4StateClosed;
   1041                     Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
   1042                     (void)phHciNfc_Release((void *)Hal4Ctxt->psHciHandle,
   1043                                               pHwRef, (pphNfcIF_Notification_CB_t)NULL,
   1044                                                (void *)Hal4Ctxt);/*Clean up Hci*/
   1045                     Hal4Ctxt->psHciHandle = NULL;
   1046                     phOsalNfc_FreeMemory((void *)Hal4Ctxt->pHal4Nfc_LayerCfg);
   1047                     Hal4Ctxt->pHal4Nfc_LayerCfg = NULL;
   1048                     phOsalNfc_FreeMemory((void *)Hal4Ctxt);
   1049                     gpphHal4Nfc_Hwref->hal_context = NULL;
   1050                     gpphHal4Nfc_Hwref = NULL;
   1051                     PHDBG_INFO("Hal4:Open Failed");
   1052                     /*Call upper layer's Open Cb with error status*/
   1053                     if(NULL != pUpper_OpenCb)
   1054                     {
   1055                         /*Upper layer's Open Cb*/
   1056                         (*pUpper_OpenCb)(pUpper_Context,status);
   1057                     }
   1058                 }
   1059                 else
   1060                 {
   1061                     Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
   1062                     phOsalNfc_RaiseException(phOsalNfc_e_UnrecovFirmwareErr,1);
   1063                 }
   1064                 break;
   1065             }
   1066             case NFC_NOTIFY_CONNECT_FAILED:
   1067             case NFC_NOTIFY_DISCONNECT_FAILED:
   1068             /*Generic Error type received from Hci.Handle the error based on
   1069               Hal4 next state and which past callback was Pending*/
   1070             case NFC_NOTIFY_ERROR:
   1071             {
   1072                 PHDBG_WARNING("Hal4:Error Notification from HCI");
   1073                 switch(Hal4Ctxt->Hal4NextState)
   1074                 {
   1075                     case eHal4StateClosed:
   1076                         phHal4Nfc_CloseComplete(Hal4Ctxt,pInfo);
   1077                         break;
   1078                     case eHal4StateSelfTestMode:
   1079                         phHal4Nfc_SelfTestComplete(Hal4Ctxt,pInfo);
   1080                         break;
   1081                     case eHal4StateConfiguring:
   1082                         phHal4Nfc_ConfigureComplete(Hal4Ctxt,pInfo,type);
   1083                         break;
   1084                     case eHal4StateTargetDiscovered:
   1085                     case eHal4StateTargetActivate:
   1086                     {
   1087                         if(NULL != Hal4Ctxt->sTgtConnectInfo.pUpperConnectCb)
   1088                         {
   1089                             if(NULL == Hal4Ctxt->sTgtConnectInfo.psConnectedDevice)
   1090                             {
   1091                                  phHal4Nfc_ConfigureComplete(Hal4Ctxt,pInfo,type);
   1092                             }
   1093                             else
   1094                             {
   1095                                 phHal4Nfc_ConnectComplete(Hal4Ctxt,pInfo);
   1096                             }
   1097                         }
   1098                         else
   1099                         {
   1100                             phHal4Nfc_TargetDiscoveryComplete(Hal4Ctxt,pInfo);
   1101                         }
   1102                         break;
   1103                     }
   1104                     case eHal4StateTargetConnected:
   1105                         phHal4Nfc_ConnectComplete(Hal4Ctxt,pInfo);
   1106                         break;
   1107                     case eHal4StateOpenAndReady:
   1108                         phHal4Nfc_DisconnectComplete(Hal4Ctxt,pInfo);
   1109                         break;
   1110                     case eHal4StatePresenceCheck:
   1111                         phHal4Nfc_PresenceChkComplete(Hal4Ctxt,pInfo);
   1112                         break;
   1113                     default:
   1114                         PHDBG_WARNING("Unknown Error notification");
   1115                         break;
   1116                 }
   1117                 break;
   1118             }/*End of switch(Hal4Ctxt->Hal4State)*/
   1119             default:
   1120                 phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
   1121                 break;
   1122         }/*End of switch(type)*/
   1123     }
   1124     return;
   1125 }
   1126 
   1127 
   1128 /*Event handler for HAL-HCI interface*/
   1129 static void phHal4Nfc_HandleEvent(
   1130                        phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
   1131                        void *pInfo
   1132                        )
   1133 {
   1134     phHal_sEventInfo_t *psEventInfo = (phHal_sEventInfo_t *)pInfo;
   1135     static phNfc_sNotificationInfo_t sNotificationInfo;
   1136     phHal4Nfc_NotificationInfo_t uNotificationInfo = {NULL};
   1137     NFCSTATUS RetStatus = NFCSTATUS_FAILED;
   1138     /*Check if Hal4 Close has already been called*/
   1139     if(eHal4StateClosed != Hal4Ctxt->Hal4NextState)
   1140     {
   1141         switch(psEventInfo->eventType)
   1142         {
   1143         case NFC_EVT_ACTIVATED:/*Target Activated*/
   1144         {
   1145             if(psEventInfo->eventHost == phHal_eHostController)
   1146             {
   1147                 switch(psEventInfo->eventSource)
   1148                 {
   1149                     case phHal_eNfcIP1_Target:
   1150                         phHal4Nfc_P2PActivateComplete(Hal4Ctxt,pInfo);
   1151                         break;
   1152                     case phHal_eISO14443_A_PICC:
   1153                     case phHal_eISO14443_B_PICC:
   1154                         sNotificationInfo.info = psEventInfo;
   1155                         sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1156                         sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1157                         pInfo = &sNotificationInfo;
   1158                         phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
   1159                         break;
   1160                     default:
   1161                         break;
   1162                 }
   1163             }
   1164         }
   1165             break;
   1166         case NFC_EVT_DEACTIVATED:/*Target Deactivated*/
   1167         {
   1168             if(psEventInfo->eventHost == phHal_eHostController)
   1169             {
   1170                 switch(psEventInfo->eventSource)
   1171                 {
   1172                 case phHal_eNfcIP1_Target:
   1173                     phHal4Nfc_HandleP2PDeActivate(Hal4Ctxt,pInfo);
   1174                     break;
   1175                 case phHal_eISO14443_A_PICC:
   1176                 case phHal_eISO14443_B_PICC:
   1177                     sNotificationInfo.info = psEventInfo;
   1178                     sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1179                     sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1180                     pInfo = &sNotificationInfo;
   1181                     phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
   1182                     break;
   1183                 default:
   1184                     break;
   1185                 }
   1186             }
   1187         }
   1188             break;
   1189         /*Set Protection Event*/
   1190         case NFC_EVT_PROTECTED:
   1191         {
   1192 #ifdef IGNORE_EVT_PROTECTED
   1193             /*Ignore_Event_Protected is set to false during Field Off event and
   1194               Set protection Configuration.After a NFC_EVT_PROTECTED is received
   1195               once all subsequent NFC_EVT_PROTECTED events are ignored*/
   1196             if(FALSE == Hal4Ctxt->Ignore_Event_Protected)
   1197             {
   1198                 Hal4Ctxt->Ignore_Event_Protected = TRUE;
   1199 #endif/*#ifdef IGNORE_EVT_PROTECTED*/
   1200                 sNotificationInfo.info = psEventInfo;
   1201                 sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1202                 sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1203                 pInfo = &sNotificationInfo;
   1204                 phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
   1205 #ifdef IGNORE_EVT_PROTECTED
   1206             }
   1207 #endif/*#ifdef IGNORE_EVT_PROTECTED*/
   1208             break;
   1209         }
   1210         /*NFC_UICC_RDPHASES_DEACTIVATE_REQ*/
   1211         case NFC_UICC_RDPHASES_DEACTIVATE_REQ:
   1212         {
   1213             if(NULL != gpphHal4Nfc_Hwref)
   1214             {
   1215                 gpphHal4Nfc_Hwref->uicc_rdr_active = FALSE;
   1216             }
   1217             break;
   1218         }
   1219         case NFC_UICC_RDPHASES_ACTIVATE_REQ:
   1220         {
   1221             if(NULL != gpphHal4Nfc_Hwref)
   1222             {
   1223                 gpphHal4Nfc_Hwref->uicc_rdr_active = TRUE;
   1224             }
   1225             /*If a NFC_UICC_RDPHASES_ACTIVATE_REQ is received before a configure
   1226              discovery,then create a ADD context info*/
   1227             if (NULL == Hal4Ctxt->psADDCtxtInfo)
   1228             {
   1229                 Hal4Ctxt->psADDCtxtInfo= (pphHal4Nfc_ADDCtxtInfo_t)
   1230                     phOsalNfc_GetMemory((uint32_t)
   1231                     (sizeof(phHal4Nfc_ADDCtxtInfo_t)));
   1232                 if(NULL != Hal4Ctxt->psADDCtxtInfo)
   1233                 {
   1234                     (void)memset(Hal4Ctxt->psADDCtxtInfo,0,
   1235                         sizeof(phHal4Nfc_ADDCtxtInfo_t)
   1236                         );
   1237                 }
   1238             }
   1239             if(NULL != Hal4Ctxt->psADDCtxtInfo)
   1240             {
   1241                 Hal4Ctxt->psADDCtxtInfo->sADDCfg.PollDevInfo.PollEnabled
   1242                                 |= psEventInfo->eventInfo.rd_phases;
   1243                 /*Configure HCI Discovery*/
   1244                 RetStatus = phHciNfc_Config_Discovery(
   1245                     (void *)Hal4Ctxt->psHciHandle,
   1246                     gpphHal4Nfc_Hwref,
   1247                     &(Hal4Ctxt->psADDCtxtInfo->sADDCfg)
   1248                     );
   1249                 Hal4Ctxt->Hal4NextState = (NFCSTATUS_PENDING == RetStatus?
   1250                                                 eHal4StateConfiguring:
   1251                                                 Hal4Ctxt->Hal4NextState);
   1252             }
   1253             break;
   1254         }
   1255         /*Call Default Event handler for these Events*/
   1256         case NFC_INFO_TXLDO_OVERCUR:
   1257         case NFC_INFO_MEM_VIOLATION:
   1258         case NFC_INFO_TEMP_OVERHEAT:
   1259         case NFC_INFO_LLC_ERROR:
   1260         {
   1261             sNotificationInfo.info = psEventInfo;
   1262             sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1263             sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1264             pInfo = &sNotificationInfo;
   1265             PHDBG_INFO("Hal4:Exception events");
   1266             if(NULL != Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler)
   1267             {
   1268                 /*Pass on Event notification info from Hci to Upper layer*/
   1269                 uNotificationInfo.psEventInfo = psEventInfo;
   1270                 Hal4Ctxt->sUpperLayerInfo.pDefaultEventHandler(
   1271                     Hal4Ctxt->sUpperLayerInfo.DefaultListenerCtxt,
   1272                     sNotificationInfo.type,
   1273                     uNotificationInfo,
   1274                     NFCSTATUS_SUCCESS
   1275                     );
   1276             }
   1277             break;
   1278         }
   1279         /*Call emulation Event handler fto handle these Events*/
   1280         case NFC_EVT_TRANSACTION:
   1281         case NFC_EVT_START_OF_TRANSACTION:
   1282         case NFC_EVT_END_OF_TRANSACTION:
   1283         case NFC_EVT_CONNECTIVITY:
   1284         case NFC_EVT_OPERATION_ENDED:
   1285         case NFC_EVT_MIFARE_ACCESS:
   1286         case NFC_EVT_APDU_RECEIVED:
   1287         case NFC_EVT_EMV_CARD_REMOVAL:
   1288             sNotificationInfo.info = psEventInfo;
   1289             sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1290             sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1291             pInfo = &sNotificationInfo;
   1292             PHDBG_INFO("Hal4:Event transaction\n");
   1293             phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
   1294             break;
   1295         case NFC_EVT_FIELD_ON:
   1296             Hal4Ctxt->psEventInfo = sNotificationInfo.info = psEventInfo;
   1297             sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1298             sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1299             pInfo = &sNotificationInfo;
   1300             PHDBG_INFO("Hal4:Event Field ON\n");
   1301             phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
   1302             break;
   1303         case NFC_EVT_FIELD_OFF:
   1304     #ifdef IGNORE_EVT_PROTECTED
   1305             Hal4Ctxt->Ignore_Event_Protected = FALSE;
   1306     #endif/*#ifdef IGNORE_EVT_PROTECTED*/
   1307             Hal4Ctxt->psEventInfo = sNotificationInfo.info = psEventInfo;
   1308             sNotificationInfo.status = NFCSTATUS_SUCCESS;
   1309             sNotificationInfo.type = NFC_EVENT_NOTIFICATION;
   1310             pInfo = &sNotificationInfo;
   1311             PHDBG_INFO("Hal4:Event Field OFF\n");
   1312             phHal4Nfc_HandleEmulationEvent(Hal4Ctxt,pInfo);
   1313             break;
   1314         default:
   1315             PHDBG_WARNING("Hal4:Unhandled Event type received");
   1316             break;
   1317         }/*End of switch*/
   1318     }/*if(eHal4StateClosed != Hal4Ctxt->Hal4NextState)*/
   1319     return;
   1320 }
   1321 
   1322 
   1323 /*Callback handler for Self Test Ioctl completion*/
   1324 static void phHal4Nfc_SelfTestComplete(
   1325                                        phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
   1326                                        void *pInfo
   1327                                        )
   1328 {
   1329     NFCSTATUS status = NFCSTATUS_FAILED;
   1330     phNfc_sData_t *SelfTestResults
   1331         = (phNfc_sData_t *)(((phNfc_sCompletionInfo_t *)pInfo)->info);
   1332     pphHal4Nfc_IoctlCallback_t pUpper_IoctlCb
   1333         = Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb;
   1334     void  *pUpper_Context = Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt;
   1335     /*check for Success*/
   1336     if(( DEVMGMT_SWP_TEST == Hal4Ctxt->Ioctl_Type )
   1337         || ( DEVMGMT_ANTENNA_TEST == Hal4Ctxt->Ioctl_Type ))
   1338     {
   1339         status = NFCSTATUS_SUCCESS;
   1340     }
   1341     else if((SelfTestResults->length > 0) && (0 == SelfTestResults->buffer[0]))
   1342     {
   1343         status = NFCSTATUS_SUCCESS;
   1344     }
   1345     else
   1346     {
   1347         if (NULL != pInfo)
   1348         {
   1349             status = ((phNfc_sCompletionInfo_t *)pInfo)->status;
   1350         }
   1351     }
   1352 
   1353     /*Copy response buffer and length*/
   1354     (void)memcpy(Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam->buffer,
   1355                  SelfTestResults->buffer,
   1356                  SelfTestResults->length);
   1357     Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam->length
   1358                                         = SelfTestResults->length;
   1359     /*Call registered Ioctl callback*/
   1360     (*pUpper_IoctlCb)(
   1361                 pUpper_Context,
   1362                 Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam,
   1363                 status
   1364                 );
   1365     return;
   1366 }
   1367 
   1368 
   1369 static void phHal4Nfc_IoctlComplete(
   1370                                     phHal4Nfc_Hal4Ctxt_t  *Hal4Ctxt,
   1371                                     void *pInfo
   1372                                     )
   1373 {
   1374     /*Copy status*/
   1375     NFCSTATUS status = (((phNfc_sCompletionInfo_t *)pInfo)->status);
   1376     pphHal4Nfc_IoctlCallback_t pUpper_IoctlCb
   1377                                     = Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb;
   1378 #ifdef MERGE_SAK_SW2
   1379     pphHal4Nfc_GenCallback_t pConfigCallback =
   1380         Hal4Ctxt->sUpperLayerInfo.pConfigCallback;
   1381 #endif/*#ifdef MERGE_SAK_SW2*/
   1382     void  *pUpper_Context = Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt;
   1383     Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb = NULL;
   1384 #ifdef MERGE_SAK_SW1 /*Software workaround 1*/
   1385     if(eHal4StateOpenAndReady == Hal4Ctxt->Hal4NextState)
   1386     {
   1387         Hal4Ctxt->Hal4CurrentState = Hal4Ctxt->Hal4NextState;
   1388         Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
   1389         /*Upper layer's Open Cb*/
   1390         (*Hal4Ctxt->sUpperLayerInfo.pUpperOpenCb)(
   1391             Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,
   1392             NFCSTATUS_SUCCESS
   1393             );
   1394     }
   1395 #endif/*#ifdef MERGE_SAK_SW1*/
   1396 #ifdef MERGE_SAK_SW2 /*Software workaround 2*/
   1397     else if((eHal4StateConfiguring == Hal4Ctxt->Hal4NextState)
   1398             &&(NULL != pConfigCallback))
   1399     {
   1400         Hal4Ctxt->sUpperLayerInfo.pConfigCallback = NULL;
   1401         Hal4Ctxt->Hal4NextState = eHal4StateInvalid;
   1402         (*pConfigCallback)(
   1403             Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt,status
   1404             );
   1405     }
   1406     else
   1407 #endif/*#ifdef MERGE_SAK_SW2*/
   1408     {
   1409         /*for NFC_MEM_READ and NFC_GPIO_READ ,provide one Byte Response*/
   1410         if ((NFC_MEM_READ == Hal4Ctxt->Ioctl_Type)
   1411             || (NFC_GPIO_READ == Hal4Ctxt->Ioctl_Type)
   1412             )
   1413         {
   1414             Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam->length
   1415                 = sizeof (uint8_t);
   1416         }
   1417          /*Call registered Ioctl callback*/
   1418         if(NULL != pUpper_IoctlCb)
   1419         {
   1420             (*pUpper_IoctlCb)(
   1421                 pUpper_Context,
   1422                 Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam,
   1423                 status
   1424                 );
   1425         }
   1426     }
   1427     return;
   1428 }
   1429 
   1430 #ifdef FW_DOWNLOAD
   1431 /**Callback handler for Download completion*/
   1432 STATIC void phHal4Nfc_DownloadComplete(
   1433                                 void *pContext,
   1434                                 void *pHwRef,
   1435                                 uint8_t type,
   1436                                 void *pInfo
   1437                                 )
   1438 {
   1439     phHal4Nfc_Hal4Ctxt_t *Hal4Ctxt = NULL;
   1440     NFCSTATUS status = NFCSTATUS_FAILED;
   1441     pphHal4Nfc_IoctlCallback_t pUpper_DnldCb = NULL;
   1442     phNfc_sData_t *pIoctlOutParam = NULL;
   1443     phHal_sHwReference_t *psHwRef = NULL;
   1444     void  *pUpper_Context = NULL;
   1445     /*NULL checks*/
   1446     if((NULL == pInfo) || (NULL == pHwRef) || (NULL == pContext))
   1447     {
   1448         phOsalNfc_RaiseException(phOsalNfc_e_PrecondFailed,1);
   1449     }
   1450     else
   1451     {
   1452         type = type;
   1453         Hal4Ctxt = (phHal4Nfc_Hal4Ctxt_t *)pContext;
   1454         /*Copy back stored context/callback for the upper layer*/
   1455         pUpper_Context = Hal4Ctxt->sUpperLayerInfo.psUpperLayerCtxt;
   1456         pIoctlOutParam = Hal4Ctxt->sUpperLayerInfo.pIoctlOutParam;
   1457         pUpper_DnldCb = Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb;
   1458         Hal4Ctxt->sUpperLayerInfo.pUpperIoctlCb = NULL;
   1459         /*Copy download status*/
   1460         status = (((phNfc_sCompletionInfo_t *)pInfo)->status);
   1461         /*copy hw reference*/
   1462         psHwRef = (phHal_sHwReference_t *)pHwRef;
   1463         /*Free the temporary hal context used only for the sake of download*/
   1464         phOsalNfc_FreeMemory(psHwRef->hal_context);
   1465         psHwRef->hal_context = NULL;
   1466         /*Call upper layer callback*/
   1467         if(NULL != pUpper_DnldCb)
   1468         {
   1469             (*pUpper_DnldCb)(
   1470                 pUpper_Context,
   1471                 pIoctlOutParam,
   1472                 status
   1473                 );
   1474         }
   1475     }
   1476     return;
   1477 }
   1478 #endif /*FW_DOWNLOAD*/
   1479 
   1480