ETxnStatus sdioAdapt_Transact (unsigned int uFuncId,
unsigned int uHwAddr,
void * pHostAddr,
unsigned int uLength,
unsigned int bDirection,
unsigned int bBlkMode,
unsigned int bFixedAddr,
unsigned int bMore)
{
int iStatus,i;
if (bDirection) { /* Read */
iStatus = sdioDrv_ReadSync (uFuncId, uHwAddr, pHostAddr, uLength, bBlkMode, bFixedAddr, bMore);
if (iStatus)
{
return TXN_STATUS_ERROR;
}
return TXN_STATUS_COMPLETE;
} else { /* Write */
if (use52)
{
// printk("use 52\n");jj = 0;
for (i = 0; i < uLength ; ++i)
{
// printk("uHwAddr = 0x%x *pHostValue = 0x%x\n",uHwAddr,(unsigned char)(*((unsigned char*)pHostAddr)));
sdioAdapt_TransactBytes(uFuncId,uHwAddr,pHostAddr,1,bDirection,bMore);
uHwAddr += 1;
pHostAddr = (void *)((unsigned int)pHostAddr+1);
}
return TXN_STATUS_COMPLETE;
}
else
{
iStatus = sdioDrv_WriteSync (uFuncId, uHwAddr, pHostAddr, uLength, bBlkMode, bFixedAddr, bMore);
}
if (iStatus)
{
return TXN_STATUS_ERROR;
}
return TXN_STATUS_COMPLETE;
}
}
/**
* \fn busDrv_SendTxnParts
* \brief Send prepared transaction parts
*
* Called first by busDrv_Transact(), and also from TxnDone CB after Async completion.
* Sends the prepared transaction parts in a loop.
* If a transaction part is Async, the loop continues later in the TxnDone ISR context.
* When all parts are done, the upper layer TxnDone CB is called.
*
* \note
* \param pBusDrv - The module's object
* \return void
* \sa busDrv_Transact, busDrv_PrepareTxnParts
*/
static void busDrv_SendTxnParts (TBusDrvObj *pBusDrv)
{
ETxnStatus eStatus;
TTxnPart *pTxnPart;
TTxnStruct *pTxn = pBusDrv->pCurrTxn;
/* While there are transaction parts to send */
while (pBusDrv->uCurrTxnPartsCount < pBusDrv->uCurrTxnPartsNum)
{
pTxnPart = &(pBusDrv->aTxnParts[pBusDrv->uCurrTxnPartsCount]);
pBusDrv->uCurrTxnPartsCount++;
/* Assume pending to be ready in case we are preempted by the TxnDon CB !! */
pBusDrv->eCurrTxnStatus = TXN_STATUS_PENDING;
/* If single step, send ELP byte */
if (TXN_PARAM_GET_SINGLE_STEP(pTxn))
{
/* Overwrite the function id with function 0 - for ELP register !!!! */
eStatus = sdioAdapt_TransactBytes (TXN_FUNC_ID_CTRL,
pTxnPart->uHwAddr,
pTxnPart->pHostAddr,
pTxnPart->uLength,
TXN_PARAM_GET_DIRECTION(pTxn),
pTxnPart->bMore);
/* If first write failed try once again (may happen once upon chip wakeup) */
if (eStatus == TXN_STATUS_ERROR)
{
/* Overwrite the function id with function 0 - for ELP register !!!! */
eStatus = sdioAdapt_TransactBytes (TXN_FUNC_ID_CTRL,
pTxnPart->uHwAddr,
pTxnPart->pHostAddr,
pTxnPart->uLength,
TXN_PARAM_GET_DIRECTION(pTxn),
pTxnPart->bMore);
TRACE0(pBusDrv->hReport, REPORT_SEVERITY_WARNING, "busDrv_SendTxnParts: SDIO Single-Step transaction failed once so try again");
}
}
else
{
eStatus = sdioAdapt_Transact (TXN_PARAM_GET_FUNC_ID(pTxn),
pTxnPart->uHwAddr,
pTxnPart->pHostAddr,
pTxnPart->uLength,
TXN_PARAM_GET_DIRECTION(pTxn),
pTxnPart->bBlkMode,
((TXN_PARAM_GET_FIXED_ADDR(pTxn) == 1) ? 0 : 1),
pTxnPart->bMore);
}
TRACE7(pBusDrv->hReport, REPORT_SEVERITY_INFORMATION, "busDrv_SendTxnParts: PartNum = %d, SingleStep = %d, Direction = %d, HwAddr = 0x%x, HostAddr = 0x%x, Length = %d, BlkMode = %d\n", pBusDrv->uCurrTxnPartsCount-1, TXN_PARAM_GET_SINGLE_STEP(pTxn), TXN_PARAM_GET_DIRECTION(pTxn), pTxnPart->uHwAddr, pTxnPart->pHostAddr, pTxnPart->uLength, pTxnPart->bBlkMode);
/* If pending TxnDone (Async), continue this loop in the next TxnDone interrupt */
if (eStatus == TXN_STATUS_PENDING)
{
return;
}
/* Update current transaction status to deduce if it is all finished in the original context (Sync) or not. */
pBusDrv->eCurrTxnStatus = eStatus;
pBusDrv->uCurrTxnPartsCountSync++;
/* If error, set error in Txn struct, call TxnDone CB if not fully sync, and exit */
if (eStatus == TXN_STATUS_ERROR)
{
TXN_PARAM_SET_STATUS(pTxn, TXN_PARAM_STATUS_ERROR);
if (pBusDrv->uCurrTxnPartsCountSync != pBusDrv->uCurrTxnPartsCount)
{
pBusDrv->fTxnDoneCb (pBusDrv->hCbHandle, pTxn);
}
return;
}
}
/* If we got here we sent all buffers and we don't pend transaction end */
TRACE3(pBusDrv->hReport, REPORT_SEVERITY_INFORMATION, "busDrv_SendTxnParts: Txn finished successfully, Status = %d, PartsCount = %d, SyncCount = %d\n", pBusDrv->eCurrTxnStatus, pBusDrv->uCurrTxnPartsCount, pBusDrv->uCurrTxnPartsCountSync);
/* For read transaction, copy the data from the DMA-able buffer to the host buffer(s) */
if (TXN_PARAM_GET_DIRECTION(pTxn) == TXN_DIRECTION_READ)
{
TI_UINT32 uBufNum;
TI_UINT32 uBufLen;
TI_UINT8 *pDmaBuf = pBusDrv->pRxDmaBuf; /* After the read transaction the data is in the Rx DMA buffer */
for (uBufNum = 0; uBufNum < MAX_XFER_BUFS; uBufNum++)
{
uBufLen = pTxn->aLen[uBufNum];
/* If no more buffers, exit the loop */
if (uBufLen == 0)
{
break;
}
os_memoryCopy (pBusDrv->hOs, pTxn->aBuf[uBufNum], pDmaBuf, uBufLen);
pDmaBuf += uBufLen;
}
}
/* If not fully sync, call TxnDone CB */
if (pBusDrv->uCurrTxnPartsCountSync != pBusDrv->uCurrTxnPartsCount)
{
pBusDrv->fTxnDoneCb (pBusDrv->hCbHandle, pTxn);
}
}
