/**
* \fn ifSlpMng_handleRxReady
* \brief Interface Sleep Manager state machine for Rx ready event
*
* Processes receive ready event of Interface Sleep Manager state machine.
* Any bytes received in sleep state are treated as awake indication and Rx buffer is cleared.
*
*/
EMcpfRes ifSlpMng_handleRxReady(handle_t hIfSlpMng)
{
TifSlpMngObj * pIfSlpMng = (TifSlpMngObj *) hIfSlpMng;
McpBool stateChanged = MCP_FALSE;
MCPF_ENTER_CRIT_SEC (pIfSlpMng->hMcpf);
if (pIfSlpMng->eState == IFSLPMNG_STATE_ASLEEP)
{
pIfSlpMng->eState = IFSLPMNG_STATE_AWAKE;
stateChanged = MCP_TRUE;
pIfSlpMng->stat.AwakeInd_Rx++;
}
MCPF_EXIT_CRIT_SEC (pIfSlpMng->hMcpf);
if (stateChanged)
{
MCPF_REPORT_DEBUG_TX(pIfSlpMng->hMcpf,IFSLPMNG_MODULE_LOG, ("ifSlpMng_handleRxReady: Awaking, state=%d\n", pIfSlpMng->eState));
MCP_HAL_PM_TransportWakeup (pIfSlpMng->tChipId, pIfSlpMng->tTransId);
busDrv_RxReset (pIfSlpMng->hBusDrv);
/* Prepare and send SleepAck request */
TXN_PARAM_SET_IFSLPMNG_OP (pIfSlpMng->pMngTxn, TXN_PARAM_IFSLPMNG_OP_AWAKE_ACK);
txnQ_Transact (pIfSlpMng->hTxnQ, pIfSlpMng->pMngTxn);
txnQ_Run (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
pIfSlpMng->stat.AwakeAck_Tx++;
return RES_PENDING; /* indicate the state was sleeping */
}
return RES_COMPLETE;
}
/**
* \fn twIf_HandleSmEvent
* \brief The TwIf SM implementation
*
* Handle SM event.
* Control the device awake/sleep states and the TxnQ run/stop states according to the event.
*
* \note
* \param hTwIf - The module's object
* \return void
* \sa
*/
static void twIf_HandleSmEvent (TTwIfObj *pTwIf, ESmEvent eEvent)
{
ESmState eState = pTwIf->eState; /* The state before handling the event */
/* Switch by current state and handle event */
switch (eState)
{
case SM_STATE_AWAKE:
/* SLEEP event: AWAKE ==> SLEEP, stop TxnQ and set ELP reg to sleep */
if (eEvent == SM_EVENT_SLEEP)
{
pTwIf->eState = SM_STATE_SLEEP;
txnQ_Stop (pTwIf->hTxnQ, TXN_FUNC_ID_WLAN);
twIf_WriteElpReg (pTwIf, ELP_CTRL_REG_SLEEP);
}
break;
case SM_STATE_SLEEP:
/* START event: SLEEP ==> WAIT_HW, set ELP reg to wake-up */
if (eEvent == SM_EVENT_START)
{
pTwIf->eState = SM_STATE_WAIT_HW;
twIf_WriteElpReg (pTwIf, ELP_CTRL_REG_AWAKE);
}
/* HW_AVAILABLE event: SLEEP ==> AWAKE, set ELP reg to wake-up and run TxnQ */
else if (eEvent == SM_EVENT_HW_AVAILABLE)
{
pTwIf->eState = SM_STATE_AWAKE;
twIf_WriteElpReg (pTwIf, ELP_CTRL_REG_AWAKE);
txnQ_Run (pTwIf->hTxnQ, TXN_FUNC_ID_WLAN);
}
break;
case SM_STATE_WAIT_HW:
/* HW_AVAILABLE event: WAIT_HW ==> AWAKE, run TxnQ */
if (eEvent == SM_EVENT_HW_AVAILABLE)
{
pTwIf->eState = SM_STATE_AWAKE;
txnQ_Run (pTwIf->hTxnQ, TXN_FUNC_ID_WLAN);
}
break;
}
}
EMcpfRes ifSlpMng_Reinit (handle_t hIfSlpMng)
{
TifSlpMngObj * pIfSlpMng = (TifSlpMngObj *) hIfSlpMng;
McpHalPmHandler pmHandler = {pmEventHandler};
MCPF_ENTER_CRIT_SEC (pIfSlpMng->hMcpf);
pIfSlpMng->eState = IFSLPMNG_STATE_AWAKE;
MCPF_EXIT_CRIT_SEC (pIfSlpMng->hMcpf);
txnQ_Stop (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
txnQ_Run (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
MCP_HAL_PM_RegisterTransport (pIfSlpMng->tChipId, pIfSlpMng->tTransId, &pmHandler);
return RES_OK;
}
/**
* \fn ifSlpMng_HandleRxEvent
* \brief Interface Sleep Manager state machine for Rx event
*
* Process Rx event of Interface Sleep Manager state machine
*
*/
EIfSlpMngStatus ifSlpMng_HandleRxEvent (handle_t hIfSlpMng, TTxnStruct *pTxn)
{
TifSlpMngObj * pIfSlpMng = (TifSlpMngObj *) hIfSlpMng;
EIfSlpMngStatus eRes = IfSlpMng_ERR;
McpBool stateChanged = MCP_FALSE;
if (TXN_PARAM_GET_SINGLE_STEP (pTxn))
{
/* IfSlpMng transaction is always single step,
* get IfSlpMng opcode from transaction structure
*/
eRes = IfSlpMng_SLP_PKT_TYPE;
switch (TXN_PARAM_GET_IFSLPMNG_OP (pTxn))
{
case TXN_PARAM_IFSLPMNG_OP_SLEEP:
MCPF_REPORT_DEBUG_RX(pIfSlpMng->hMcpf, IFSLPMNG_MODULE_LOG, ("ifSlpMng_HandleRxEvent: SLEEP_IND, state=%d\n",pIfSlpMng->eState));
MCPF_ENTER_CRIT_SEC (pIfSlpMng->hMcpf);
if (pIfSlpMng->eState == IFSLPMNG_STATE_AWAKE)
{
pIfSlpMng->eState = IFSLPMNG_STATE_WAIT_FOR_SLEEPACK_TX_COMPL;
stateChanged = MCP_TRUE;
}
pIfSlpMng->stat.SleepInd_Rx++;
MCPF_EXIT_CRIT_SEC (pIfSlpMng->hMcpf);
if (stateChanged)
{
txnQ_Stop (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
/* Prepare and send SleepAck request */
TXN_PARAM_SET_IFSLPMNG_OP (pIfSlpMng->pMngTxn, TXN_PARAM_IFSLPMNG_OP_SLEEP_ACK);
txnQ_Transact (pIfSlpMng->hTxnQ, pIfSlpMng->pMngTxn);
pIfSlpMng->stat.SleepAck_Tx++;
}
break;
case TXN_PARAM_IFSLPMNG_OP_SLEEP_ACK:
MCPF_REPORT_ERROR (pIfSlpMng->hMcpf, IFSLPMNG_MODULE_LOG,
("%s: Not expected SleepAck received\n", __FUNCTION__));
pIfSlpMng->stat.SleepAck_Rx++;
break;
case TXN_PARAM_IFSLPMNG_OP_AWAKE:
{
EIfSlpMngState oldState;
MCPF_REPORT_DEBUG_RX(pIfSlpMng->hMcpf, IFSLPMNG_MODULE_LOG, ("ifSlpMng_HandleRxEvent: AWAKE_IND, state=%d\n",pIfSlpMng->eState));
MCPF_ENTER_CRIT_SEC (pIfSlpMng->hMcpf);
oldState = pIfSlpMng->eState;
if ((pIfSlpMng->eState == IFSLPMNG_STATE_ASLEEP) ||
(pIfSlpMng->eState == IFSLPMNG_STATE_WAIT_FOR_AWAKE_ACK))
{
pIfSlpMng->eState = IFSLPMNG_STATE_AWAKE;
stateChanged = MCP_TRUE;
}
pIfSlpMng->stat.AwakeInd_Rx++;
MCPF_EXIT_CRIT_SEC (pIfSlpMng->hMcpf);
if (stateChanged)
{
switch (oldState)
{
case IFSLPMNG_STATE_ASLEEP:
/* Prepare and send SleepAck request */
TXN_PARAM_SET_IFSLPMNG_OP (pIfSlpMng->pMngTxn, TXN_PARAM_IFSLPMNG_OP_AWAKE_ACK);
txnQ_Transact (pIfSlpMng->hTxnQ, pIfSlpMng->pMngTxn);
txnQ_Run (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
pIfSlpMng->stat.AwakeAck_Tx++;
break;
case IFSLPMNG_STATE_WAIT_FOR_AWAKE_ACK:
txnQ_Run (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
break;
default:
break;
}
}
}
break;
case TXN_PARAM_IFSLPMNG_OP_AWAKE_ACK:
MCPF_REPORT_DEBUG_RX(pIfSlpMng->hMcpf, IFSLPMNG_MODULE_LOG, ("ifSlpMng_HandleRxEvent: AWAKE_ACK, state=%d\n",pIfSlpMng->eState));
MCPF_ENTER_CRIT_SEC (pIfSlpMng->hMcpf);
if (pIfSlpMng->eState == IFSLPMNG_STATE_WAIT_FOR_AWAKE_ACK)
{
pIfSlpMng->eState = IFSLPMNG_STATE_AWAKE;
stateChanged = MCP_TRUE;
}
pIfSlpMng->stat.AwakeAck_Rx++;
MCPF_EXIT_CRIT_SEC (pIfSlpMng->hMcpf);
if (stateChanged)
{
txnQ_Run (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
}
break;
default:
MCPF_REPORT_ERROR (pIfSlpMng->hMcpf, IFSLPMNG_MODULE_LOG,
("%s: Invalid IfSlpMng opcode=%u\n", __FUNCTION__, TXN_PARAM_GET_IFSLPMNG_OP (pTxn)));
eRes = IfSlpMng_ERR;
break;
} /* Rx IFSLPMNG_OP */
}
else
{
/* Normal packet received */
MCPF_ENTER_CRIT_SEC (pIfSlpMng->hMcpf);
if (pIfSlpMng->eState == IFSLPMNG_STATE_ASLEEP)
{
pIfSlpMng->eState = IFSLPMNG_STATE_AWAKE;
stateChanged = MCP_TRUE;
pIfSlpMng->stat.AwakeAck_Tx++;
}
MCPF_EXIT_CRIT_SEC (pIfSlpMng->hMcpf);
if (stateChanged)
{
/* Prepare and send SleepAck request */
TXN_PARAM_SET_IFSLPMNG_OP (pIfSlpMng->pMngTxn, TXN_PARAM_IFSLPMNG_OP_AWAKE_ACK);
txnQ_Transact (pIfSlpMng->hTxnQ, pIfSlpMng->pMngTxn);
txnQ_Run (pIfSlpMng->hTxnQ, pIfSlpMng->uFuncId);
MCPF_REPORT_DEBUG_RX(pIfSlpMng->hMcpf, IFSLPMNG_MODULE_LOG, ("ifSlpMng_HandleRxEvent: Normal RX, state=%d\n",pIfSlpMng->eState));
}
eRes = IfSlpMng_OK;
}
return eRes;
}
