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/*
* fwDebug.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 FWDebug.c
*
* \see FWDebug.h
*/
#define __FILE_ID__ FILE_ID_103
#include "tidef.h"
#include "fwDebug_api.h"
#include "osApi.h"
#include "report.h"
#include "BusDrv.h"
#include "TwIf.h"
#define DMA_SIZE_BUF 256
typedef struct
{
TI_HANDLE hOs;
TI_HANDLE hReport;
TI_HANDLE hTwif;
TFwDubCallback fCb;
TI_HANDLE hCb;
TI_UINT8* pReadBuf;
TTxnStruct tTxn;
TI_UINT8* pDMABuf;
}TFwDebug;
/* Local functions */
static void fwDbg_WriteAddrCb (TI_HANDLE hFwDebug,TTxnStruct* pTxn);
static void fwDbg_ReadAddrCb (TI_HANDLE hFwDebug,TTxnStruct* pTxn);
/*
* \brief Create the FW Debug module
*
* \param hOs - Handle to OS
* \return The created object
*
* \par Description
* This function will allocate memory to FW Debug module.
*
* \sa
*/
TI_HANDLE fwDbg_Create (TI_HANDLE hOs)
{
TFwDebug *pFwDebug = (TFwDebug *)os_memoryAlloc(hOs,sizeof(TFwDebug));
if (pFwDebug == NULL)
{
WLAN_OS_REPORT (("FATAL ERROR: fwDbg_Create(): Error Creating TFwDebug - Aborting\n"));
return NULL;
}
/* reset module object */
os_memoryZero (hOs, pFwDebug, sizeof (TFwDebug));
pFwDebug->hOs = hOs;
return pFwDebug;
}
/*
* \brief Initialize the module
*
* \param hFwDebug - Handle to FW Debug
* \param hReport - Handle to report
* \param hTwif - Handle to TWIF
* \return none
*
* \par Description
*
*
* \sa
*/
void fwDbg_Init (TI_HANDLE hFwDebug,
TI_HANDLE hReport,
TI_HANDLE hTwif)
{
TFwDebug* pFwDebug = (TFwDebug*)hFwDebug;
pFwDebug->hReport = hReport;
pFwDebug->hTwif = hTwif;
/* Allocate DMA memory for read write transact */
pFwDebug->pDMABuf = (TI_UINT8*)os_memoryAlloc(pFwDebug->hOs,DMA_SIZE_BUF);
}
/*
* \brief Destroy the object
*
* \param hFwDebug - Handle to FW Debug
* \return none
*
* \par Description
* Deallocate the object memory
*
* \sa
*/
void fwDbg_Destroy (TI_HANDLE hFwDebug)
{
TFwDebug* pFwDebug = (TFwDebug*)hFwDebug;
if (pFwDebug)
{
if (pFwDebug->pDMABuf)
{
os_memoryFree(pFwDebug->hOs,pFwDebug->pDMABuf,DMA_SIZE_BUF);
}
os_memoryFree(pFwDebug->hOs,pFwDebug,sizeof(pFwDebug));
}
}
/*
* \brief Write Address to FW
*
* \param hFwDebug - Handle to FW Debug
* \param Address - Absolute HW address
* \param Length - Length in byte to write
* \param Buffer - Buffer to copy to FW
* \param fCb - CB function
* \param hCb - CB Handle
* \return none
*
* \par Description
* Write buffer to HW must receive length in byte max size 256 bytes
* address must be absolute HW address.
*
* \sa
*/
TI_STATUS fwDbg_WriteAddr (TI_HANDLE hFwDebug,
TI_UINT32 Address,
TI_UINT32 Length,
TI_UINT8* Buffer,
TFwDubCallback fCb,
TI_HANDLE hCb)
{
TI_STATUS rc;
TTxnStruct *pTxn;
TFwDebug* pFwDebug = (TFwDebug*)hFwDebug;
pTxn = &pFwDebug->tTxn;
/* check if length is large than default threshold */
if (Length > DMA_SIZE_BUF)
{
TRACE1(pFwDebug->hOs, REPORT_SEVERITY_ERROR, "fwDbg_WriteAddr : Buffer Length too large -- %d",Length);
return TXN_STATUS_ERROR;
}
pFwDebug->fCb = fCb;
pFwDebug->hCb = hCb;
/* copy the given buffer to DMA buffer */
os_memoryCopy(pFwDebug->hOs,pFwDebug->pDMABuf,Buffer,Length);
/* Build the command TxnStruct */
TXN_PARAM_SET(pTxn, TXN_LOW_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_WRITE, TXN_INC_ADDR)
/* Applying a CB in case of an async read */
BUILD_TTxnStruct(pTxn, Address, pFwDebug->pDMABuf, Length,(TTxnDoneCb)fwDbg_WriteAddrCb, pFwDebug)
rc = twIf_Transact(pFwDebug->hTwif,pTxn);
return rc;
}
/*
* \brief Read Address to FW
*
* \param hFwDebug - Handle to FW Debug
* \param Address - Absolute HW address
* \param Length - Length in byte to write
* \param Buffer - Buffer to copy to FW
* \param fCb - CB function
* \param hCb - CB Handle
* \return none
*
* \par Description
* Read from HW, must receive length in byte max size 256 bytes
* address must be absolute HW address.
*
* \sa
*/
TI_STATUS fwDbg_ReadAddr (TI_HANDLE hFwDebug,
TI_UINT32 Address,
TI_UINT32 Length,
TI_UINT8* Buffer,
TFwDubCallback fCb,
TI_HANDLE hCb)
{
TI_STATUS rc;
TTxnStruct *pTxn;
TFwDebug *pFwDebug = (TFwDebug*)hFwDebug;
pTxn = &pFwDebug->tTxn;
/* check if length is large than default threshold */
if (Length > DMA_SIZE_BUF)
{
TRACE1(pFwDebug->hOs, REPORT_SEVERITY_ERROR, "fwDbg_ReadAddr : Buffer Length too large -- %d",Length);
return TXN_STATUS_ERROR;
}
pFwDebug->fCb = fCb;
pFwDebug->hCb = hCb;
pFwDebug->pReadBuf = Buffer;
/* Build the command TxnStruct */
TXN_PARAM_SET(pTxn, TXN_LOW_PRIORITY, TXN_FUNC_ID_WLAN, TXN_DIRECTION_READ, TXN_INC_ADDR)
/* Applying a CB in case of an async read */
BUILD_TTxnStruct(pTxn, Address, pFwDebug->pDMABuf, Length,(TTxnDoneCb)fwDbg_ReadAddrCb, pFwDebug)
rc = twIf_Transact(pFwDebug->hTwif,pTxn);
if (rc == TXN_STATUS_COMPLETE)
{
/* copy from DMA buufer to given buffer */
os_memoryCopy(pFwDebug->hOs,pFwDebug->pReadBuf,pFwDebug->pDMABuf,Length);
}
return rc;
}
/*
* \brief Write CB function
*
* \param hFwDebug - Handle to FW Debug
* \param pTxn - pointer ti Transact
* \return none
*
* \par Description
* This function called from TWIF upon Async Write
*
* \sa
*/
static void fwDbg_WriteAddrCb (TI_HANDLE hFwDebug,TTxnStruct* pTxn)
{
TFwDebug *pFwDebug = (TFwDebug*)hFwDebug;
if (pFwDebug->fCb && pFwDebug->hCb)
{
pFwDebug->fCb(pFwDebug->hCb);
}
}
/*
* \brief Read CB function
*
* \param hFwDebug - Handle to FW Debug
* \param pTxn - pointer ti Transact
* \return none
*
* \par Description
* This function called from TWIF upon Async Read
*
* \sa
*/
static void fwDbg_ReadAddrCb (TI_HANDLE hFwDebug,TTxnStruct* pTxn)
{
TFwDebug *pFwDebug = (TFwDebug*)hFwDebug;
/* copy from DMA buufer to given buffer */
os_memoryCopy(pFwDebug->hOs,pFwDebug->pReadBuf,pFwDebug->pDMABuf,pTxn->aLen[0]);
if (pFwDebug->fCb && pFwDebug->hCb)
{
pFwDebug->fCb(pFwDebug->hCb);
}
}
/*
* \brief Check HW address
*
* \param hFwDebug - Handle to FW Debug
* \return TI_TRUE, TI_FALSE
*
* \par Description
* This function called to check the given address to be a valid memory address.
*
* \sa
*/
TI_BOOL fwDbg_isValidMemoryAddr (TI_HANDLE hFwDebug, TI_UINT32 Address, TI_UINT32 Length)
{
TFwDebug *pFwDebug = (TFwDebug*)hFwDebug;
return twIf_isValidMemoryAddr(pFwDebug->hTwif, Address, Length);
}
/*
* \brief Check HW address
*
* \param hFwDebug - Handle to FW Debug
* \return TI_TRUE, TI_FALSE
*
* \par Description
* This function called to check the given address to be a valid register address.
*
* \sa
*/
TI_BOOL fwDbg_isValidRegAddr (TI_HANDLE hFwDebug, TI_UINT32 Address, TI_UINT32 Length)
{
TFwDebug *pFwDebug = (TFwDebug*)hFwDebug;
return twIf_isValidRegAddr(pFwDebug->hTwif, Address, Length);
}