 /***************************************************************************\
|*                                                                           *|
|*        Copyright (c) 1993-2000 NVIDIA, Corp.  All rights reserved.        *|
|*                                                                           *|
|*     NOTICE TO USER:   The source code  is copyrighted under  U.S. and     *|
|*     international laws.   NVIDIA, Corp. of Sunnyvale, California owns     *|
|*     the copyright  and as design patents  pending  on the design  and     *|
|*     interface  of the NV chips.   Users and possessors of this source     *|
|*     code are hereby granted  a nonexclusive,  royalty-free  copyright     *|
|*     and  design  patent license  to use this code  in individual  and     *|
|*     commercial software.                                                  *|
|*                                                                           *|
|*     Any use of this source code must include,  in the user documenta-     *|
|*     tion and  internal comments to the code,  notices to the end user     *|
|*     as follows:                                                           *|
|*                                                                           *|
|*     Copyright (c) 1993-2000  NVIDIA, Corp.    NVIDIA  design  patents     *|
|*     pending in the U.S. and foreign countries.                            *|
|*                                                                           *|
|*     NVIDIA, CORP.  MAKES  NO REPRESENTATION ABOUT  THE SUITABILITY OF     *|
|*     THIS SOURCE CODE FOR ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT     *|
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|*                                                                           *|
 \***************************************************************************/

/****************************** FIFO Manager *******************************\
*                                                                           *
* Module: FIFOINIT.C                                                        *
*   The FIFO is initialized in this module.  This is a one time occurance   *
*   and then the module is unloaded.                                        *
*                                                                           *
*****************************************************************************
*                                                                           *
* History:                                                                  *
*                                                                           *
\***************************************************************************/
#include <nv_ref.h>
#include <nvrm.h>
#include <state.h>
#include <class.h>
#include <fifo.h>
#include <os.h>
#include "nvhw.h"


//
// Initialize FIFO data structures and hardware.
//
RM_STATUS initFifo
(
    PHWINFO pDev
)
{
    U032 i;
    
    //
    // Initilialize all global FIFO variables.
    //
    pDev->Fifo.HalInfo.AllocateCount    = 0;
    pDev->Fifo.UpdateFlags              = 0;

    //
    // Allocate FIFO table.
    //
    if (osAllocMem((VOID **)&pDev->DBfifoTable, sizeof(FIFO) * NUM_FIFOS) != RM_OK)
        return (RM_ERR_NO_FREE_MEM);
    for (i = 0; i < NUM_FIFOS; i++)
    {
        pDev->DBfifoTable[i].InUse = FALSE;
        pDev->DBfifoTable[i].ChID  = i;
        pDev->DBfifoTable[i].CacheDepth = 512;
    }

    return (RM_OK);
}

