| /* |
| * FwEvent.c |
| * |
| * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Texas Instruments nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| /** \file FwEvent.c |
| * \brief Handle firmware events |
| * |
| * |
| * \par Description |
| * Call the appropriate event handler. |
| * |
| * \see FwEvent.h |
| */ |
| |
| #define __FILE_ID__ FILE_ID_104 |
| #include "tidef.h" |
| #include "report.h" |
| #include "context.h" |
| #include "osApi.h" |
| #include "TWDriver.h" |
| #include "TWDriverInternal.h" |
| #include "txResult_api.h" |
| #include "CmdMBox_api.h" |
| #include "rxXfer_api.h" |
| #include "txXfer_api.h" |
| #include "txHwQueue_api.h" |
| #include "eventMbox_api.h" |
| #include "TwIf.h" |
| #include "public_host_int.h" |
| #include "FwEvent_api.h" |
| #ifdef TI_DBG |
| #include "tracebuf_api.h" |
| #endif |
| #include "bmtrace_api.h" |
| |
| |
| #ifdef _VLCT_ |
| extern int trigger_another_read; |
| #endif |
| |
| |
| /* |
| * Address of FW-Status structure in FW memory ==> Special mapping, see note!! |
| * |
| * Note: This structure actually includes two separate areas in the FW: |
| * 1) Interrupt-Status register - a 32 bit register (clear on read). |
| * 2) FW-Status structure - 64 bytes memory area |
| * The two areas are read in a single transaction thanks to a special memory |
| * partition that maps them as contiguous memory. |
| */ |
| #define FW_STATUS_ADDR 0x14FC0 + 0xA000 |
| |
| |
| #define ALL_EVENTS_VECTOR ACX_INTR_WATCHDOG | ACX_INTR_INIT_COMPLETE | ACX_INTR_EVENT_A |\ |
| ACX_INTR_EVENT_B | ACX_INTR_CMD_COMPLETE |ACX_INTR_HW_AVAILABLE |\ |
| ACX_INTR_DATA |
| |
| #define TXN_FW_EVENT_SET_MASK_ADDR(pFwEvent) pFwEvent->tMaskTxn.tTxnStruct.uHwAddr = HINT_MASK; |
| #define TXN_FW_EVENT_SET_FW_STAT_ADDR(pFwEvent) pFwEvent->tFwStatusTxn.tTxnStruct.uHwAddr = FW_STATUS_ADDR; |
| |
| #define UPDATE_PENDING_HANDLERS_NUMBER(eStatus) if (eStatus == TXN_STATUS_PENDING) {pFwEvent->uNumPendHndlrs++;} |
| |
| |
| typedef enum |
| { |
| FWEVENT_STATE_IDLE, |
| FWEVENT_STATE_WAIT_INTR_INFO, |
| FWEVENT_STATE_WAIT_HANDLE_COMPLT |
| |
| } EFwEventState; |
| |
| typedef struct |
| { |
| TTxnStruct tTxnStruct; |
| TI_UINT32 uData; |
| |
| } TRegisterTxn; |
| |
| typedef struct |
| { |
| TTxnStruct tTxnStruct; |
| FwStatus_t tFwStatus; |
| |
| } TFwStatusTxn; |
| |
| /* The FwEvent module's main structure */ |
| typedef struct |
| { |
| EFwEventState eSmState; /* State machine state */ |
| TI_UINT32 uEventMask; /* Static interrupt event mask */ |
| TI_UINT32 uEventVector; /* Saves the current active FW interrupts */ |
| TRegisterTxn tMaskTxn; /* The host mask register transaction */ |
| TFwStatusTxn tFwStatusTxn; /* The FW status structure transaction (read from FW memory) */ |
| TI_UINT32 uFwTimeOffset; /* Offset in microseconds between driver and FW clocks */ |
| TI_UINT32 uContextId; /* Client ID got upon registration to the context module */ |
| TI_BOOL bIntrPending; /* If TRUE a new interrupt is pending while handling the previous one */ |
| TI_UINT32 uNumPendHndlrs; /* Number of event handlers that didn't complete their event processing */ |
| |
| /* Other modules handles */ |
| TI_HANDLE hOs; |
| TI_HANDLE hTWD; |
| TI_HANDLE hReport; |
| TI_HANDLE hContext; |
| TI_HANDLE hTwIf; |
| TI_HANDLE hHealthMonitor; |
| TI_HANDLE hEventMbox; |
| TI_HANDLE hCmdMbox; |
| TI_HANDLE hRxXfer; |
| TI_HANDLE hTxXfer; |
| TI_HANDLE hTxHwQueue; |
| TI_HANDLE hTxResult; |
| |
| } TfwEvent; |
| |
| |
| static void fwEvent_NewEvent (TI_HANDLE hFwEvent); |
| static void fwEvent_StateMachine (TfwEvent *pFwEvent); |
| static ETxnStatus fwEvent_SmReadIntrInfo (TfwEvent *pFwEvent); |
| static ETxnStatus fwEvent_SmHandleEvents (TfwEvent *pFwEvent); |
| static ETxnStatus fwEvent_CallHandlers (TfwEvent *pFwEvent); |
| |
| |
| /* |
| * \brief Create the FwEvent module object |
| * |
| * \param hOs - OS module object handle |
| * \return Handle to the created object |
| * |
| * \par Description |
| * Calling this function creates a FwEvent object |
| * |
| * \sa fwEvent_Destroy |
| */ |
| TI_HANDLE fwEvent_Create (TI_HANDLE hOs) |
| { |
| TfwEvent *pFwEvent; |
| |
| pFwEvent = os_memoryAlloc (hOs, sizeof(TfwEvent)); |
| if (pFwEvent == NULL) |
| { |
| return NULL; |
| } |
| |
| os_memoryZero (hOs, pFwEvent, sizeof(TfwEvent)); |
| |
| pFwEvent->hOs = hOs; |
| |
| return (TI_HANDLE)pFwEvent; |
| } |
| |
| |
| /* |
| * \brief Destroys the FwEvent object |
| * |
| * \param hFwEvent - The object to free |
| * \return TI_OK |
| * |
| * \par Description |
| * Calling this function destroys a FwEvent object |
| * |
| * \sa fwEvent_Create |
| */ |
| TI_STATUS fwEvent_Destroy (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| if (pFwEvent) |
| { |
| os_memoryFree (pFwEvent->hOs, pFwEvent, sizeof(TfwEvent)); |
| } |
| |
| return TI_OK; |
| } |
| |
| |
| /* |
| * \brief Config the FwEvent module object |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \param hTWD - Handle to TWD module |
| * \return TI_OK |
| * |
| * \par Description |
| * From hTWD we extract : hOs, hReport, hTwIf, hContext, |
| * hHealthMonitor, hEventMbox, hCmdMbox, hRxXfer, |
| * hTxHwQueue, hTxResult |
| * In this function we also register the FwEvent to the context engine |
| * |
| * \sa |
| */ |
| TI_STATUS fwEvent_Init (TI_HANDLE hFwEvent, TI_HANDLE hTWD) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| TTwd *pTWD = (TTwd *)hTWD; |
| TTxnStruct* pTxn; |
| |
| pFwEvent->hTWD = hTWD; |
| pFwEvent->hOs = pTWD->hOs; |
| pFwEvent->hReport = pTWD->hReport; |
| pFwEvent->hContext = pTWD->hContext; |
| pFwEvent->hTwIf = pTWD->hTwIf; |
| pFwEvent->hHealthMonitor = pTWD->hHealthMonitor; |
| pFwEvent->hEventMbox = pTWD->hEventMbox; |
| pFwEvent->hCmdMbox = pTWD->hCmdMbox; |
| pFwEvent->hRxXfer = pTWD->hRxXfer; |
| pFwEvent->hTxHwQueue = pTWD->hTxHwQueue; |
| pFwEvent->hTxXfer = pTWD->hTxXfer; |
| pFwEvent->hTxResult = pTWD->hTxResult; |
| |
| pFwEvent->eSmState = FWEVENT_STATE_IDLE; |
| pFwEvent->bIntrPending = TI_FALSE; |
| pFwEvent->uNumPendHndlrs = 0; |
| pFwEvent->uEventMask = 0; |
| pFwEvent->uEventVector = 0; |
| |
| /* Prepare Interrupts Mask regiter Txn structure */ |
| /* |
| * Note!!: The mask transaction is sent in low priority because it is used in the |
| * init process which includes a long sequence of low priority transactions, |
| * and the order of this sequence is important so we must use the same priority |
| */ |
| pTxn = (TTxnStruct*)&pFwEvent->tMaskTxn.tTxnStruct; |
| TXN_PARAM_SET(pTxn, TXN_LOW_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_WRITE, TXN_INC_ADDR) |
| BUILD_TTxnStruct(pTxn, HINT_MASK, &pFwEvent->tMaskTxn.uData, REGISTER_SIZE, NULL, NULL) |
| |
| /* Prepare FW status Txn structure (includes 4 bytes interrupt status reg and 64 bytes FW-status from memory area) */ |
| /* Note: This is the only transaction that is sent in high priority. |
| * The original reason was to lower the interrupt latency, but we may consider using the |
| * same priority as all other transaction for simplicity. |
| */ |
| pTxn = (TTxnStruct*)&pFwEvent->tFwStatusTxn.tTxnStruct; |
| TXN_PARAM_SET(pTxn, TXN_HIGH_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_READ, TXN_INC_ADDR) |
| BUILD_TTxnStruct(pTxn, FW_STATUS_ADDR, &pFwEvent->tFwStatusTxn.tFwStatus, sizeof(FwStatus_t), (TTxnDoneCb)fwEvent_StateMachine, hFwEvent) |
| |
| /* |
| * Register the FwEvent to the context engine and get the client ID. |
| * The FwEvent() will be called from the context_DriverTask() after scheduled |
| * by a FW-Interrupt (see fwEvent_InterruptRequest()). |
| */ |
| pFwEvent->uContextId = context_RegisterClient (pFwEvent->hContext, |
| fwEvent_NewEvent, |
| hFwEvent, |
| TI_FALSE, |
| "FW_EVENT", |
| sizeof("FW_EVENT")); |
| |
| return TI_OK; |
| } |
| |
| |
| /* |
| * \brief FW interrupt handler, just switch to WLAN context for handling |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * Called by the FW-Interrupt ISR (external context!). |
| * Requests the context engine to schedule the driver task for handling the FW-Events. |
| * |
| * \sa |
| */ |
| void fwEvent_InterruptRequest (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| CL_TRACE_START_L1(); |
| |
| TRACE0(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_InterruptRequest()\n"); |
| |
| /* Request switch to driver context for handling the FW-Interrupt event */ |
| context_RequestSchedule (pFwEvent->hContext, pFwEvent->uContextId); |
| |
| CL_TRACE_END_L1("tiwlan_drv.ko", "IRQ", "FwEvent", ""); |
| } |
| |
| |
| /* |
| * \brief The CB called in the driver context upon new interrupt |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * Called by the context module after scheduled by fwEvent_InterruptRequest(). |
| * If IDLE, start the SM, and if not just indicate pending event for later. |
| * |
| * \sa |
| */ |
| static void fwEvent_NewEvent (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| CL_TRACE_START_L2(); |
| |
| /* If the SM is idle, call it to start handling new events */ |
| if (pFwEvent->eSmState == FWEVENT_STATE_IDLE) |
| { |
| TRACE0(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_NewEvent: Start SM\n"); |
| |
| fwEvent_StateMachine (pFwEvent); |
| } |
| /* Else - SM is busy so set flag to handle it when finished with current events */ |
| else |
| { |
| TRACE0(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_NewEvent: SM busy, set IntrPending flag\n"); |
| |
| pFwEvent->bIntrPending = TI_TRUE; |
| } |
| |
| CL_TRACE_END_L2("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| } |
| |
| |
| /* |
| * \brief FW-Event state machine |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * |
| * Process the current FW events in a sequence that may progress in the same context, |
| * or exit if pending an Async transaction, which will call back the SM when finished. |
| * |
| * \sa |
| */ |
| static void fwEvent_StateMachine (TfwEvent *pFwEvent) |
| { |
| ETxnStatus eStatus = TXN_STATUS_ERROR; /* Set to error to detect if used uninitialized */ |
| CL_TRACE_START_L3(); |
| |
| /* |
| * Loop through the states sequence as long as the process is synchronous. |
| * Exit when finished or if an Asynchronous process is required. |
| * In this case the SM will be called back upon Async operation completion. |
| */ |
| while (1) |
| { |
| switch (pFwEvent->eSmState) |
| { |
| /* IDLE: Update TwIf and read interrupt info from FW */ |
| case FWEVENT_STATE_IDLE: |
| { |
| CL_TRACE_START_L5(); |
| twIf_Awake(pFwEvent->hTwIf); |
| eStatus = fwEvent_SmReadIntrInfo (pFwEvent); |
| pFwEvent->eSmState = FWEVENT_STATE_WAIT_INTR_INFO; |
| CL_TRACE_END_L5("tiwlan_drv.ko", "CONTEXT", "FwEvent", ".ReadInfo"); |
| break; |
| } |
| /* WAIT_INTR_INFO: We have the interrupt info so call the handlers accordingly */ |
| case FWEVENT_STATE_WAIT_INTR_INFO: |
| { |
| CL_TRACE_START_L5(); |
| eStatus = fwEvent_SmHandleEvents (pFwEvent); |
| /* If state was changed to IDLE by recovery or stop process, exit (process terminated) */ |
| if (pFwEvent->eSmState == FWEVENT_STATE_IDLE) |
| { |
| CL_TRACE_END_L5("tiwlan_drv.ko", "CONTEXT", "FwEvent", ".HndlEvents"); |
| CL_TRACE_END_L3("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| return; |
| } |
| pFwEvent->eSmState = FWEVENT_STATE_WAIT_HANDLE_COMPLT; |
| CL_TRACE_END_L5("tiwlan_drv.ko", "CONTEXT", "FwEvent", ".HndlEvents"); |
| break; |
| } |
| /* WAIT_HANDLE_COMPLT: Current handling is completed. */ |
| case FWEVENT_STATE_WAIT_HANDLE_COMPLT: |
| { |
| /* If pending interrupt, read interrupt info (back to WAIT_INTR_INFO state) */ |
| if (pFwEvent->bIntrPending) |
| { |
| CL_TRACE_START_L5(); |
| pFwEvent->bIntrPending = TI_FALSE; |
| eStatus = fwEvent_SmReadIntrInfo (pFwEvent); |
| pFwEvent->eSmState = FWEVENT_STATE_WAIT_INTR_INFO; |
| CL_TRACE_END_L5("tiwlan_drv.ko", "CONTEXT", "FwEvent", ".HndlCmplt"); |
| } |
| /* Else - all done so release TwIf to sleep and exit */ |
| else |
| { |
| twIf_Sleep(pFwEvent->hTwIf); |
| pFwEvent->eSmState = FWEVENT_STATE_IDLE; |
| |
| TRACE3(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_StateMachine: Completed, NewState=%d, Status=%d, IntrPending=%d\n", pFwEvent->eSmState, eStatus, pFwEvent->bIntrPending); |
| CL_TRACE_END_L3("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| |
| /**** Finished all current events handling so exit ****/ |
| return; |
| } |
| break; |
| } |
| |
| } /* switch */ |
| |
| TRACE3(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_StateMachine: NewState=%d, Status=%d, IntrPending=%d\n", pFwEvent->eSmState, eStatus, pFwEvent->bIntrPending); |
| |
| /* If last status is Pending, exit the SM (to be called back upon Async operation completion) */ |
| if (eStatus == TXN_STATUS_PENDING) |
| { |
| CL_TRACE_END_L3("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| return; |
| } |
| |
| /* If error occured, stop the process and exit (should be cleaned by recovery process) */ |
| else if (eStatus == TXN_STATUS_ERROR) |
| { |
| TRACE5(pFwEvent->hReport, REPORT_SEVERITY_ERROR, "fwEvent_StateMachine: NewState=%d, Status=%d, IntrPending=%d, EventVector=0x%x, EventMask=0x%x\n", pFwEvent->eSmState, eStatus, pFwEvent->bIntrPending, pFwEvent->uEventVector, pFwEvent->uEventMask); |
| CL_TRACE_END_L3("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| fwEvent_Stop ((TI_HANDLE)pFwEvent); |
| return; |
| } |
| |
| /* If we got here the status is COMPLETE so continue in the while loop to the next state */ |
| |
| } /* while */ |
| } |
| |
| |
| /* |
| * \brief Read interrupt info from FW |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * |
| * Indicate the TwIf that HW is available and initiate transactions for reading |
| * the Interrupt status and the FW status. |
| * |
| * \sa |
| */ |
| static ETxnStatus fwEvent_SmReadIntrInfo (TfwEvent *pFwEvent) |
| { |
| ETxnStatus eStatus; |
| CL_TRACE_START_L4(); |
| |
| #ifdef HOST_INTR_MODE_EDGE |
| /* Acknowledge the host interrupt for EDGE mode (must be before HINT_STT_CLR register clear on read) */ |
| os_InterruptServiced (pFwEvent->hOs); |
| #endif |
| |
| /* Indicate that the chip is awake (since it interrupted us) */ |
| twIf_HwAvailable(pFwEvent->hTwIf); |
| |
| /* |
| * Read FW-Status structure from HW ==> Special mapping, see note!! |
| * |
| * Note: This structure actually includes two separate areas in the FW: |
| * 1) Interrupt-Status register - a 32 bit register (clear on read). |
| * 2) FW-Status structure - 64 bytes memory area |
| * The two areas are read in a single transaction thanks to a special memory |
| * partition that maps them as contiguous memory. |
| */ |
| TXN_FW_EVENT_SET_FW_STAT_ADDR(pFwEvent) |
| eStatus = twIf_TransactReadFWStatus (pFwEvent->hTwIf, &(pFwEvent->tFwStatusTxn.tTxnStruct)); |
| |
| CL_TRACE_END_L4("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| |
| /* Return the status of the FwStatus read (complete, pending or error) */ |
| return eStatus; |
| } |
| |
| |
| /* |
| * \brief Handle the Fw Status information |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * This function is called from fwEvent_Handle on a sync read, or from TwIf as a CB on an async read. |
| * It calls fwEvent_CallHandlers to handle the triggered interrupts. |
| * |
| * \sa fwEvent_Handle |
| */ |
| static ETxnStatus fwEvent_SmHandleEvents (TfwEvent *pFwEvent) |
| { |
| ETxnStatus eStatus; |
| CL_TRACE_START_L4(); |
| |
| /* Save delta between driver and FW time (needed for Tx packets lifetime) */ |
| pFwEvent->uFwTimeOffset = (os_timeStampMs (pFwEvent->hOs) * 1000) - |
| ENDIAN_HANDLE_LONG (pFwEvent->tFwStatusTxn.tFwStatus.fwLocalTime); |
| |
| #ifdef HOST_INTR_MODE_LEVEL |
| /* Acknowledge the host interrupt for LEVEL mode (must be after HINT_STT_CLR register clear on read) */ |
| os_InterruptServiced (pFwEvent->hOs); |
| #endif |
| |
| /* Save the interrupts status retreived from the FW */ |
| pFwEvent->uEventVector = pFwEvent->tFwStatusTxn.tFwStatus.intrStatus; |
| |
| /* Mask unwanted interrupts */ |
| pFwEvent->uEventVector &= pFwEvent->uEventMask; |
| |
| /* Call the interrupts handlers */ |
| eStatus = fwEvent_CallHandlers (pFwEvent); |
| |
| TRACE5(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_SmHandleEvents: Status=%d, EventVector=0x%x, IntrPending=%d, NumPendHndlrs=%d, FwTimeOfst=%d\n", eStatus, pFwEvent->uEventVector, pFwEvent->bIntrPending, pFwEvent->uNumPendHndlrs, pFwEvent->uFwTimeOffset); |
| CL_TRACE_END_L4("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| |
| /* Return the status of the handlers processing (complete, pending or error) */ |
| return eStatus; |
| } |
| |
| |
| /* |
| * \brief Call FwEvent clients event handlers |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * |
| * \sa |
| */ |
| static ETxnStatus fwEvent_CallHandlers (TfwEvent *pFwEvent) |
| { |
| ETxnStatus eStatus; |
| CL_TRACE_START_L4(); |
| |
| pFwEvent->uNumPendHndlrs = 0; |
| |
| if (pFwEvent->uEventVector & ACX_INTR_WATCHDOG) |
| { |
| /* Fw watchdog timeout has occured */ |
| eStatus = TWD_WdExpireEvent (pFwEvent->hTWD); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| } |
| |
| if (pFwEvent->uEventVector & ACX_INTR_INIT_COMPLETE) |
| { |
| TRACE0(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_CallHandlers: INIT_COMPLETE\n"); |
| } |
| /* Note: Handle Cmd-MBOX before Event-MBOX to keep command response and command complete order (for WHA) */ |
| if (pFwEvent->uEventVector & ACX_INTR_CMD_COMPLETE) |
| { |
| /* Command Mbox completed */ |
| eStatus = cmdMbox_CommandComplete(pFwEvent->hCmdMbox); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| } |
| if (pFwEvent->uEventVector & ACX_INTR_EVENT_A) |
| { |
| eStatus = eventMbox_Handle(pFwEvent->hEventMbox,&pFwEvent->tFwStatusTxn.tFwStatus); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| } |
| if (pFwEvent->uEventVector & ACX_INTR_EVENT_B) |
| { |
| eStatus = eventMbox_Handle(pFwEvent->hEventMbox,&pFwEvent->tFwStatusTxn.tFwStatus); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| } |
| |
| /* The DATA interrupt is shared by all data path events, so call all Tx and Rx clients */ |
| if (pFwEvent->uEventVector & ACX_INTR_DATA) |
| { |
| eStatus = rxXfer_RxEvent (pFwEvent->hRxXfer, &pFwEvent->tFwStatusTxn.tFwStatus); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| |
| eStatus = txHwQueue_UpdateFreeResources (pFwEvent->hTxHwQueue, &pFwEvent->tFwStatusTxn.tFwStatus); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| |
| eStatus = txResult_TxCmpltIntrCb (pFwEvent->hTxResult, &pFwEvent->tFwStatusTxn.tFwStatus); |
| UPDATE_PENDING_HANDLERS_NUMBER(eStatus) |
| } |
| |
| CL_TRACE_END_L4("tiwlan_drv.ko", "CONTEXT", "FwEvent", ""); |
| |
| /* Return COMPLETE if all handlers completed, and PENDING if not. */ |
| return ((pFwEvent->uNumPendHndlrs == 0) ? TXN_STATUS_COMPLETE : TXN_STATUS_PENDING); |
| } |
| |
| |
| /* |
| * \brief Called by any handler that completed after pending |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * |
| * \par Description |
| * |
| * Decrement pending handlers counter and if 0 call the SM to complete its process. |
| * |
| * \sa |
| */ |
| void fwEvent_HandlerCompleted (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| #ifdef TI_DBG |
| TRACE2(pFwEvent->hReport, REPORT_SEVERITY_INFORMATION, "fwEvent_HandlerCompleted: state=%d, NumPendHndlrs=%d\n", pFwEvent->eSmState, pFwEvent->uNumPendHndlrs); |
| /* Verify that we really have pending handlers, otherwise it an error */ |
| if (pFwEvent->uNumPendHndlrs == 0) |
| { |
| TRACE0(pFwEvent->hReport, REPORT_SEVERITY_ERROR, "fwEvent_HandlerCompleted: Called while no handlers are pending\n"); |
| return; |
| } |
| /* Verify that we are in */ |
| if (pFwEvent->eSmState != FWEVENT_STATE_WAIT_HANDLE_COMPLT) |
| { |
| TRACE1(pFwEvent->hReport, REPORT_SEVERITY_ERROR, "fwEvent_HandlerCompleted: Called while not in WAIT_HANDLE_COMPLT state (state=%d)\n", pFwEvent->eSmState); |
| return; |
| } |
| #endif |
| |
| /* Decrement the pending handlers counter and if zero call the SM to complete the process */ |
| pFwEvent->uNumPendHndlrs--; |
| if (pFwEvent->uNumPendHndlrs == 0) |
| { |
| fwEvent_StateMachine (pFwEvent); |
| } |
| } |
| |
| |
| /* |
| * \brief Translate host to FW time (Usec) |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \param uHostTime - The host time in MS to translate |
| * |
| * \return FW Time in Usec |
| * |
| * \par Description |
| * |
| * \sa |
| */ |
| TI_UINT32 fwEvent_TranslateToFwTime (TI_HANDLE hFwEvent, TI_UINT32 uHostTime) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| return ((uHostTime * 1000) - pFwEvent->uFwTimeOffset); |
| } |
| |
| |
| /* |
| * \brief Unmask only cmd-cmplt and events interrupts (needed for init phase) |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return Event mask |
| * |
| * \par Description |
| * Unmask only cmd-cmplt and events interrupts (needed for init phase). |
| * |
| * \sa |
| */ |
| void fwEvent_SetInitMask (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| /* Unmask only the interrupts needed for the FW configuration process. */ |
| pFwEvent->uEventMask = ACX_INTR_CMD_COMPLETE | ACX_INTR_EVENT_A | ACX_INTR_EVENT_B; |
| pFwEvent->tMaskTxn.uData = ~pFwEvent->uEventMask; |
| TXN_FW_EVENT_SET_MASK_ADDR(pFwEvent) |
| twIf_Transact(pFwEvent->hTwIf, &(pFwEvent->tMaskTxn.tTxnStruct)); |
| } |
| |
| |
| /* |
| * \brief Stop & reset FwEvent (called by the driver stop process) |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return TI_OK |
| * |
| * \par Description |
| * |
| * \sa |
| */ |
| TI_STATUS fwEvent_Stop (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| pFwEvent->eSmState = FWEVENT_STATE_IDLE; |
| pFwEvent->bIntrPending = TI_FALSE; |
| pFwEvent->uNumPendHndlrs = 0; |
| pFwEvent->uEventMask = 0; |
| pFwEvent->uEventVector = 0; |
| |
| return TI_OK; |
| } |
| |
| |
| /* |
| * \brief Unmask all interrupts |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * |
| * Called after driver Start or Recovery process are completed. |
| * Unmask all interrupts. |
| * |
| * \sa |
| */ |
| void fwEvent_EnableExternalEvents (TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| /* Unmask all interrupts */ |
| pFwEvent->uEventMask = ALL_EVENTS_VECTOR; |
| pFwEvent->tMaskTxn.uData = ~pFwEvent->uEventMask; |
| TXN_FW_EVENT_SET_MASK_ADDR(pFwEvent) |
| twIf_Transact(pFwEvent->hTwIf, &(pFwEvent->tMaskTxn.tTxnStruct)); |
| } |
| |
| |
| /* |
| * \brief Disable the FwEvent client in the context handler |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * |
| * \sa |
| */ |
| void fwEvent_DisableInterrupts(TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| context_DisableClient (pFwEvent->hContext,pFwEvent->uContextId); |
| } |
| |
| |
| /* |
| * \brief Enable the FwEvent client in the context handler |
| * |
| * \param hFwEvent - FwEvent Driver handle |
| * \return void |
| * |
| * \par Description |
| * |
| * \sa |
| */ |
| void fwEvent_EnableInterrupts(TI_HANDLE hFwEvent) |
| { |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| context_EnableClient (pFwEvent->hContext,pFwEvent->uContextId); |
| } |
| |
| |
| #ifdef TI_DBG |
| |
| void fwEvent_PrintStat (TI_HANDLE hFwEvent) |
| { |
| #ifdef REPORT_LOG |
| TfwEvent *pFwEvent = (TfwEvent *)hFwEvent; |
| |
| WLAN_OS_REPORT(("Print FW event module info\n")); |
| WLAN_OS_REPORT(("==========================\n")); |
| WLAN_OS_REPORT(("uEventVector = 0x%x\n", pFwEvent->uEventVector)); |
| WLAN_OS_REPORT(("uEventMask = 0x%x\n", pFwEvent->uEventMask)); |
| WLAN_OS_REPORT(("eSmState = %d\n", pFwEvent->eSmState)); |
| WLAN_OS_REPORT(("bIntrPending = %d\n", pFwEvent->bIntrPending)); |
| WLAN_OS_REPORT(("uNumPendHndlrs = %d\n", pFwEvent->uNumPendHndlrs)); |
| WLAN_OS_REPORT(("uFwTimeOffset = %d\n", pFwEvent->uFwTimeOffset)); |
| #endif |
| } |
| |
| #endif /* TI_DBG */ |
| |
| |
| |
