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/******************************************************************************
**  FILE        : eponOnuLnxKsOs.c                                           **
**                                                                           **
**  DESCRIPTION : This file implements ONU GPON Linux OS handling            **
*******************************************************************************
*                                                                             *                              
*  MODIFICATION HISTORY:                                                      *
*                                                                             *
*   29Oct06  Oren Ben Hayun   created                                         *  
* =========================================================================== *      
******************************************************************************/

/* Include Files
------------------------------------------------------------------------------*/
#include "ponOnuHeader.h"
#include "eponOnuHeader.h"
#ifndef PON_FPGA
#include "mvSysPonConfig.h"
#endif /* PON_FPGA */

/* Local Constant
------------------------------------------------------------------------------*/     
#define __FILE_DESC__ "mv_pon/plat/epon/eponOnuLnxKsOs.c"

/* Global Variables
------------------------------------------------------------------------------*/

/* Global functions
------------------------------------------------------------------------------*/

/* Local Variables
------------------------------------------------------------------------------*/

/* ========================================================================== */
/* ===========================  ISR SECTION  ================================ */
/* ========================================================================== */
MV_U32 eponCurrentInterruptEvent  = 0;
MV_U32 eponCurrentInterruptStatus = 0;


/* Export Functions
------------------------------------------------------------------------------*/

/* Local Functions
------------------------------------------------------------------------------*/
void        onuEponTaskletFunc(unsigned long dummy);
irqreturn_t onuEponIrqRoutine(int irq, void *arg);
#ifndef PON_FPGA
irqreturn_t onuEponDgIrqRoutine(int irq, void *arg);
#endif /* PON_FPGA */


/*******************************************************************************
**
**  onuEponRtosResourceInit
**  ____________________________________________________________________________
** 
**  DESCRIPTION: The function allocates onu RTOS resources
**               
**  PARAMETERS:  None
**
**  OUTPUTS:     None
**
**  RETURNS:     MV_OK or error          
**                   
*******************************************************************************/
MV_STATUS onuEponRtosResourceInit(void)
{
  MV_STATUS retcode;
  MV_U32    idx;

  /* Timer */
  /* ===== */

  /* onu epon pm timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonPmTimerId),           /* timer Id */
                              "epon_Pm",                                        /* timer description */
                              (PTIMER_FUNCPTR)onuEponPmTimerPmHndl,             /* timer function */
                              0,                                                /* timer function param */
                              ONU_PON_TIMER_PM_INTERVAL,                        /* init value */ 
                              1);                                               /* periodic value */ 
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
               "ERROR: (%s:%d) pon PM timer create\n\r", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  /* onu epon Pattern Burst timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonPatternBurstTimerId), /* timer Id */
                              "epon_PatternBurst",                              /* timer description */
                              (PTIMER_FUNCPTR)onuPonPatternBurstTimerHndl,      /* timer function */
                              0,                                                /* timer function param */
                              ONU_PON_TIMER_NOT_ACTIVE ,                        /* init value */ 
                              0);                                               /* periodic value */ 
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
               "ERROR: (%s:%d) pon Pattern Burst timer create\n\r", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  /* onu epon mpcp timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonMpcpTimerId),         /* timer Id */
                              "epon_mpc",                                       /* timer description */
                              (PTIMER_FUNCPTR)onuEponIsrTimerMpcpHndl,          /* timer function */
                              ONU_PON_TIMER_NOT_ACTIVE,                         /* timer function param */
                              ONU_PON_TIMER_MPCP_INTERVAL,                      /* init value */ 
                              1);                                               /* periodic value */ 
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
               "ERROR: (%s:%d) pon mpcp timer create\n\r", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  /* onu epon Isr miss timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonIsrMissTimerId),      /* timer Id */
							  "epon_tx",                                        /* timer description */
							  (PTIMER_FUNCPTR)onuEponIsrTimerEventMissHndl,     /* timer function */
							  ONU_PON_TIMER_NOT_ACTIVE,                         /* timer function param */
							  ONU_PON_TIMER_EVENT_MISS_INTERVAL,                /* init value */ 
							  1);                                               /* periodic value */ 
  if (retcode != MV_OK)
  {
	mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
			   "ERROR: (%s:%d) pon event miss timer create\n\r", __FILE_DESC__, __LINE__);
	return(MV_ERROR);
  }

#ifndef PON_FPGA
  /* onu epon xvr reset timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonIsrXvrRstTimerId),    /* timer Id */
                               "gpon_xvr",                                      /* timer description */
                               (PTIMER_FUNCPTR)onuEponIsrXvrResetTimerHndl,     /* timer function */
                               ONU_PON_TIMER_NOT_ACTIVE,                        /* timer active (run) state */
                               ONU_PON_TIMER_XVR_RST_INTERVAL,                  /* init value */ 
                               1);                                              /* periodic value */ 
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) pon Cvr Reset timer create\n", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }
#endif /* PON_FPGA */

  
   /* onu epon report timer */
   retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonHwRprtTimerId),     /* timer Id */
                               "epon_rprt",                                    /* timer description */
                               (PTIMER_FUNCPTR)onuEponIsrTimerHwReportHndl,    /* timer function */
                               ONU_PON_TIMER_NOT_ACTIVE,                       /* timer function param */
                               ONU_PON_TIMER_RPRT_INTERVAL,                    /* init value */ 
                               0);                                             /* periodic value */ 
   if (retcode != MV_OK)
   {
     mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
                "ERROR: (%s:%d) pon report timer create\n\r", __FILE_DESC__, __LINE__);
     return(MV_ERROR);
   }
 
   /* onu epon tx module timer */
   retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonHwRprtTxModTimerId),  /* timer Id */
                               "epon_tx",                                        /* timer description */
                               (PTIMER_FUNCPTR)onuEponPonMngTimerHwRprtTxModHndl,/* timer function */
                               ONU_PON_TIMER_NOT_ACTIVE,                         /* timer function param */
                               ONU_PON_TIMER_TX_MOD_INTERVAL,                    /* init value */ 
                               1);                                               /* periodic value */ 
   if (retcode != MV_OK)
   {
     mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
                "ERROR: (%s:%d) pon report timer create\n\r", __FILE_DESC__, __LINE__);
     return(MV_ERROR);
   }
  

  /* onu epon holdover timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonHoldoverTimerId),     /* timer Id */
                              "epon_hold",                                      /* timer description */
                              (PTIMER_FUNCPTR)onuEponIsrTimerHoldoverHndl,      /* timer function */
                              ONU_PON_TIMER_NOT_ACTIVE,                         /* timer function param */
                              ONU_PON_TIMER_HOLDOVER_INTERVAL,                  /* init value */ 
                              0);                                               /* periodic value */ 
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
               "ERROR: (%s:%d) pon holdover timer create\n\r", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

    /* ONU EPON tx_power supply control timer */
     retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuEponTxControlTimerId),    /* timer Id */
                                 "epon_TxControlTimer",                             /* timer description */
                                 (PTIMER_FUNCPTR)onuEponTxControlTimerHndl,         /* timer function */
                                 0,                                                 /* timer function param */
                                 ONU_PON_TIMER_NOT_ACTIVE ,                         /* init value */
                                 0);                                                /* periodic value */
    if (retcode != MV_OK)
    {
        mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
                   "ERROR: (%s:%d) EPON Tx power control timer create\n\r", 
                   __FILE_DESC__, __LINE__);
        return (MV_ERROR);
    }

     /* ONU EPON sleep mode: max sleep timer */
     retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuEponMaxSleepTimerId),     /* timer Id */
                                 "epon_MaxSleepTimer",                              /* timer description */
                                 (PTIMER_FUNCPTR)onuEponMaxSleepTimerHndl,          /* timer function */
                                 0,                                                 /* timer function param */
                                 ONU_PON_TIMER_NOT_ACTIVE,                          /* init value */
                                 0);                                                /* periodic value */
    if (retcode != MV_OK)
    {
        mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
                   "ERROR: (%s:%d) EPON power saving mode: max sleep timer create\n\r", 
                   __FILE_DESC__, __LINE__);
        return (MV_ERROR);
    }

    /* ONU EPON sleep mode: sleep duration and wait duration timer */
    retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuEponSleepDurationTimerId), /* timer Id */
                                "epon_SleepWakeDurationTimer",                      /* timer description */
                                (PTIMER_FUNCPTR)onuEponSleepWakeDurationTimerHndl,  /* timer function */
                                0,                                                  /* timer function param */
                                ONU_PON_TIMER_NOT_ACTIVE ,                          /* init value */ 
                                0);                                                 /* periodic value */ 
    if (retcode != MV_OK)
    {
        mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
                   "ERROR: (%s:%d) EPON power saving mode: sleep and wait duration timer create\n\r", 
                   __FILE_DESC__, __LINE__);
        return(MV_ERROR);
    }
  

  /* onu epon silence timer */
  for (idx = 0; idx < EPON_MAX_MAC_NUM; idx++) 
  {
	retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonSilenceTimerId[idx]),/* timer Id */
	  						    "epon_Sile",                                       /* timer description */
	  						    (PTIMER_FUNCPTR)onuEponPonMngTimerSilenceHndl,     /* timer function */
	  						    ONU_PON_TIMER_NOT_ACTIVE,                          /* timer function param */
	  						    ONU_PON_TIMER_SILENCE_INTERVAL,                    /* init value */ 
	  						    0);                                                /* periodic value */ 
	if (retcode != MV_OK)
	{
	  mvPonPrint(PON_PRINT_ERROR, PON_API_MODULE,
	  		   "ERROR: (%s:%d) pon holdover timer create\n\r", __FILE_DESC__, __LINE__);
	  return(MV_ERROR);
	}
  }

  /* onu pon TX Power timer */
  retcode = onuPonTimerCreate(&(onuPonResourceTbl_s.onuPonTxPwrTimerId),   /* timer Id */
                               "pon_txPwr",                                /* timer description */
                               (PTIMER_FUNCPTR)onuEponTimerTxPwrHndl,      /* timer function */
                               ONU_PON_TIMER_NOT_ACTIVE,                   /* timer active (run) state */
                               ONU_PON_TIMER_TX_PWR_INTERVAL,              /* init value */
                               0);                                         /* periodic value */
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) pon Tx Power timer create\n", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  /* Interrupt */
  /* ========= */
  retcode = onuPonIrqInit();
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) epon interrupt init\n", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  retcode = onuEponIrqTaskletInit(&(onuPonResourceTbl_s.onuPonIrqId));
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) epon interrupt tasklet\n", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  retcode = onuEponIrqRegister(&(onuPonResourceTbl_s.onuPonIrqId));      
  if (retcode != MV_OK)
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) epon interrupt register\n", __FILE_DESC__, __LINE__);
    return(MV_ERROR);
  }

  return(MV_OK);
}

/*******************************************************************************
**
**  onuEponRtosResourceRelease
**  ____________________________________________________________________________
** 
**  DESCRIPTION: The function release onu RTOS resources
**               
**  PARAMETERS:  None
**
**  OUTPUTS:     None
**
**  RETURNS:     MV_OK or error          
**                   
*******************************************************************************/
MV_STATUS onuEponRtosResourceRelease(void)
{
  del_timer(&(onuPonResourceTbl_s.onuPonMpcpTimerId.onuPonTimerId));
  del_timer(&(onuPonResourceTbl_s.onuPonPmTimerId.onuPonTimerId));

  free_irq(onuPonResourceTbl_s.onuPonIrqId.onuPonIrqNum, &(onuPonResourceTbl_s.onuPonIrqId));
#ifndef PON_FPGA
  printk("onuPonResourceTbl_s.onuPonIrqId.onuDgIrqNum, &(onuPonResourceTbl_s.onuPonIrqId\n\r");
  free_irq(onuPonResourceTbl_s.onuPonIrqId.onuDgIrqNum, &(onuPonResourceTbl_s.onuPonIrqId));
#endif /* PON_FPGA */

  tasklet_kill(&(onuPonResourceTbl_s.onuPonIrqId.onuPonTasklet));

  return(MV_OK);
}


/*******************************************************************************
**
**  onuEponIrqTaskletInit
**  ____________________________________________________________________________
**
**  DESCRIPTION: EPON Interrupt tasklet init
**               
**  PARAMETERS:  S_onuPonIrq irqId
** 
**  OUTPUTS:     none
**                               
**  RETURNS:     MV_OK
**
*******************************************************************************/
MV_STATUS onuEponIrqTaskletInit(S_onuPonIrq *irqId)
{
  tasklet_init(&(irqId->onuPonTasklet), onuEponTaskletFunc, (unsigned int)0);

  return(MV_OK);
}

/*******************************************************************************
**
**  onuEponIrqRegister
**  ____________________________________________________________________________
**
**  DESCRIPTION: EPON Interrupt register
**               
**  PARAMETERS:  none
** 
**  OUTPUTS:     none
**                               
**  RETURNS:     EPON Interrupt number
**
*******************************************************************************/
MV_STATUS onuEponIrqRegister(S_onuPonIrq *irqId)
{
  int rcode;

  rcode = request_irq(irqId->onuPonIrqNum, onuEponIrqRoutine, IRQF_DISABLED, "mvEpon", (void*)irqId);
  if (rcode) 
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) epon interrupt register\n", __FILE_DESC__, __LINE__);
    free_irq(irqId->onuPonIrqNum, NULL);
    return(MV_ERROR);
  }

#ifndef PON_FPGA
  rcode = request_irq(irqId->onuDgIrqNum, onuEponDgIrqRoutine, IRQF_DISABLED, "mvDyGasp", (void*)irqId);
  if (rcode) 
  {
    mvPonPrint(PON_PRINT_ERROR, PON_INIT_MODULE,
               "ERROR: (%s:%d) EPON Dying Gasp interrupt register\n", __FILE_DESC__, __LINE__);
    free_irq(irqId->onuDgIrqNum, NULL);
    return(MV_ERROR);
  }
#endif /* PON_FPGA */

  return(MV_OK);
}

/*******************************************************************************
**
**  onuEponIrqRoutine
**  ____________________________________________________________________________
**
**  DESCRIPTION: EPON Interrupt routinr
**               
**  PARAMETERS:  none
** 
**  OUTPUTS:     none
**                               
**  RETURNS:     IRQ_HANDLED
**
*******************************************************************************/
irqreturn_t onuEponIrqRoutine(int irq, void *arg)
{
#ifdef MV_EPON_HW_INTERRUPT
  onuEponIsrRoutine(0, 0);
#else /* SW_INTERRUPT - TASKLET */
  MV_U32 interruptEvent;
  MV_U32 interruptStatus;

  S_onuPonIrq *irqId = (S_onuPonIrq*)arg;
  onuEponIsrLowRoutine(&interruptEvent, &interruptStatus);
  eponCurrentInterruptEvent  = interruptEvent;
  eponCurrentInterruptStatus = interruptStatus;
  tasklet_hi_schedule(&(irqId->onuPonTasklet));
#endif 

  return(IRQ_HANDLED);
}

#ifndef PON_FPGA
/*******************************************************************************
**
**  onuEponDgIrqRoutine
**  ____________________________________________________________________________
**
**  DESCRIPTION: Dying Gasp Interrupt routinr
**               
**  PARAMETERS:  none
** 
**  OUTPUTS:     none
**                               
**  RETURNS:     IRQ_HANDLED
**
*******************************************************************************/
irqreturn_t onuEponDgIrqRoutine(int irq, void *arg)
{
  mvOnuPonMacDgInterruptDis();
  onuPonDyingGaspProcess();
  onuEponDgIsrRoutine();

  return(IRQ_HANDLED);
}
#endif /* PON_FPGA */

/*******************************************************************************
**
**  onuEponTaskletFunc
**  ____________________________________________________________________________
**
**  DESCRIPTION: EPON Interrupt tasklet function
**               
**  PARAMETERS:  none
** 
**  OUTPUTS:     none
**                               
**  RETURNS:     GPON Interrupt number
**
*******************************************************************************/
void onuEponTaskletFunc(unsigned long dummy)
{
  MV_U32 interruptEvent  = eponCurrentInterruptEvent;  
  MV_U32 interruptStatus = eponCurrentInterruptStatus; 

  onuPonIrqDisable(&(onuPonResourceTbl_s.onuPonIrqId)); /* disable EPON interrupt */

  onuEponIsrRoutine(interruptEvent, interruptStatus);

  onuPonIrqEnable(&(onuPonResourceTbl_s.onuPonIrqId)); /* enable EPON interrupt */
}

/*******************************************************************************
**
**  onuEponGlbAddrInit
**  ____________________________________________________________________________
**
**  DESCRIPTION: Allocate a memory space for EPON MAC register space
**               
**  PARAMETERS:  none
** 
**  OUTPUTS:     none
**                               
**  RETURNS:     IAMBA_OK
**
*******************************************************************************/
MV_STATUS onuEponGlbAddrInit(void)
{
#ifndef PON_FPGA
  /* set base address in the pon onu register table */
  ponOnuGlbAddrSet((MV_U32)(MV_EPON_MAC_REGS_BASE));
#else /* PON_FPGA */
  /* set base address in the pon onu register table */
  ponOnuGlbAddrSet((MV_U32)(MV_GPON_REG_BASE + 0xC000));
#endif /* PON_FPGA */

  return (MV_OK);
}