//<MStar Software>
//******************************************************************************
// MStar Software
// Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved.
// All software, firmware and related documentation herein ("MStar Software") are
// intellectual property of MStar Semiconductor, Inc. ("MStar") and protected by
// law, including, but not limited to, copyright law and international treaties.
// Any use, modification, reproduction, retransmission, or republication of all 
// or part of MStar Software is expressly prohibited, unless prior written 
// permission has been granted by MStar. 
//
// By accessing, browsing and/or using MStar Software, you acknowledge that you
// have read, understood, and agree, to be bound by below terms ("Terms") and to
// comply with all applicable laws and regulations:
//
// 1. MStar shall retain any and all right, ownership and interest to MStar
//    Software and any modification/derivatives thereof.
//    No right, ownership, or interest to MStar Software and any
//    modification/derivatives thereof is transferred to you under Terms.
//
// 2. You understand that MStar Software might include, incorporate or be
//    supplied together with third party`s software and the use of MStar
//    Software may require additional licenses from third parties.  
//    Therefore, you hereby agree it is your sole responsibility to separately
//    obtain any and all third party right and license necessary for your use of
//    such third party`s software. 
//
// 3. MStar Software and any modification/derivatives thereof shall be deemed as
//    MStar`s confidential information and you agree to keep MStar`s 
//    confidential information in strictest confidence and not disclose to any
//    third party.  
//
// 4. MStar Software is provided on an "AS IS" basis without warranties of any
//    kind. Any warranties are hereby expressly disclaimed by MStar, including
//    without limitation, any warranties of merchantability, non-infringement of
//    intellectual property rights, fitness for a particular purpose, error free
//    and in conformity with any international standard.  You agree to waive any
//    claim against MStar for any loss, damage, cost or expense that you may
//    incur related to your use of MStar Software.
//    In no event shall MStar be liable for any direct, indirect, incidental or
//    consequential damages, including without limitation, lost of profit or
//    revenues, lost or damage of data, and unauthorized system use.
//    You agree that this Section 4 shall still apply without being affected
//    even if MStar Software has been modified by MStar in accordance with your
//    request or instruction for your use, except otherwise agreed by both
//    parties in writing.
//
// 5. If requested, MStar may from time to time provide technical supports or
//    services in relation with MStar Software to you for your use of
//    MStar Software in conjunction with your or your customer`s product
//    ("Services").
//    You understand and agree that, except otherwise agreed by both parties in
//    writing, Services are provided on an "AS IS" basis and the warranty
//    disclaimer set forth in Section 4 above shall apply.  
//
// 6. Nothing contained herein shall be construed as by implication, estoppels
//    or otherwise:
//    (a) conferring any license or right to use MStar name, trademark, service
//        mark, symbol or any other identification;
//    (b) obligating MStar or any of its affiliates to furnish any person,
//        including without limitation, you and your customers, any assistance
//        of any kind whatsoever, or any information; or 
//    (c) conferring any license or right under any intellectual property right.
//
// 7. These terms shall be governed by and construed in accordance with the laws
//    of Taiwan, R.O.C., excluding its conflict of law rules.
//    Any and all dispute arising out hereof or related hereto shall be finally
//    settled by arbitration referred to the Chinese Arbitration Association,
//    Taipei in accordance with the ROC Arbitration Law and the Arbitration
//    Rules of the Association by three (3) arbitrators appointed in accordance
//    with the said Rules.
//    The place of arbitration shall be in Taipei, Taiwan and the language shall
//    be English.  
//    The arbitration award shall be final and binding to both parties.
//
//******************************************************************************
//<MStar Software>
////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2008-2009 MStar Semiconductor, Inc.
// All rights reserved.
//
// Unless otherwise stipulated in writing, any and all information contained
// herein regardless in any format shall remain the sole proprietary of
// MStar Semiconductor Inc. and be kept in strict confidence
// ("MStar Confidential Information") by the recipient.
// Any unauthorized act including without limitation unauthorized disclosure,
// copying, use, reproduction, sale, distribution, modification, disassembling,
// reverse engineering and compiling of the contents of MStar Confidential
// Information is unlawful and strictly prohibited. MStar hereby reserves the
// rights to any and all damages, losses, costs and expenses resulting therefrom.
//
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////
// file   osalMVD.c
// @brief  MPEG Video Decoder (MVD) OSAL
// @author MStar Semiconductor,Inc.
////////////////////////////////////////////////////////////////////////////////////////////////////

#include "MsCommon.h"
#include "osalMVD_EX.h"

static MS_S32 _s32MvdMutexId = -1;
static MS_U8  _u8MvdMutex[] = {"MVD_Mutex"};

/// Mutex
inline MS_S32 OSAL_MVD_MutexCreate(MS_U8* pu8Name)
{
    return MsOS_CreateMutex(E_MSOS_FIFO, (char*)pu8Name, MSOS_PROCESS_SHARED);
}

inline MS_BOOL OSAL_MVD_MutexObtain(MS_S32 s32MutexId, MS_U32 u32Timeout)
{
    return MsOS_ObtainMutex(s32MutexId, u32Timeout);
}

inline MS_BOOL OSAL_MVD_MutexRelease(MS_S32 s32MutexId)
{
    return MsOS_ReleaseMutex(s32MutexId);
}

inline MS_BOOL OSAL_MVD_MutexDelete(MS_S32 s32MutexId)
{
    return MsOS_DeleteMutex(s32MutexId);
}

#if 1//(defined(CHIP_T2) || defined(CHIP_U3))
// Interrupt
// fixme: define MVD_ISR_VECTOR in HAL
#define MVD_ISR_VECTOR E_INT_IRQ_MVD
inline MS_BOOL OSAL_MVD_IntDisable(void)
{
    return MsOS_DisableInterrupt(MVD_ISR_VECTOR);
}

inline MS_BOOL OSAL_MVD_IntEnable(void)
{
    MS_BOOL ret = FALSE;

    ret = MsOS_EnableInterrupt(MVD_ISR_VECTOR);

    #ifndef MSOS_TYPE_LINUX_KERNEL // TODO: check if this function can be support in kernel mode in later version
    MsOS_CompleteInterrupt(MVD_ISR_VECTOR);
    #endif

    return ret;
}

inline MS_BOOL OSAL_MVD_IsrAttach(void* pfnIsr)
{
    return MsOS_AttachInterrupt(MVD_ISR_VECTOR, (InterruptCb)pfnIsr);
}

inline MS_BOOL OSAL_MVD_IsrDetach(void)
{
    return MsOS_DetachInterrupt(MVD_ISR_VECTOR);
}
#endif


#if 1

// Mutex function for MVD HW
MS_BOOL OSAL_MVD_MutexInit(void)
{
    if (_s32MvdMutexId < 0)
    {
        _s32MvdMutexId = OSAL_MVD_MutexCreate(_u8MvdMutex);
    }
    return (_s32MvdMutexId != -1);
}

MS_BOOL OSAL_MVD_LockHwMutex(void)
{
    MS_BOOL res = FALSE;
    //printf(">>>> OSAL_MVD_LockHwMutex!\n");
    if (_s32MvdMutexId != -1)
    {
#if defined(MSOS_TYPE_ECOS)
        if(MsOS_In_Interrupt() != TRUE)
        {
            OSAL_MVD_IntDisable();
            res = OSAL_MVD_MutexObtain(_s32MvdMutexId, OSAL_MVD_MUTEX_TIMEOUT);
        }
#else
        res = OSAL_MVD_MutexObtain(_s32MvdMutexId, OSAL_MVD_MUTEX_TIMEOUT);
#endif
    }
    return res;
}

MS_BOOL OSAL_MVD_UnlockHwMutex(void)
{
    MS_BOOL res = FALSE;
    //printf("<<<< OSAL_MVD_UnlockHwMutex!\n");
    if (_s32MvdMutexId != -1)
    {
#if defined(MSOS_TYPE_ECOS)
        if(MsOS_In_Interrupt() != TRUE)
        {
            res = OSAL_MVD_MutexRelease(_s32MvdMutexId);
            OSAL_MVD_IntEnable();
        }
#else
        res = OSAL_MVD_MutexRelease(_s32MvdMutexId);
#endif

    }
    return res;
}

MS_BOOL OSAL_MVD_MutexExit(void)
{
    MS_BOOL bRet = TRUE;
    if(_s32MvdMutexId != -1)
    {
        OSAL_MVD_MutexDelete(_s32MvdMutexId);
        _s32MvdMutexId = -1;
    }
    return bRet;
}

#endif