queue.c

MTK手机平台的MMI部分的源代码

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
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*****************************************************************************/

/*******************************************************************************
 * Filename:
 * ---------
 *  Queue.c
 *
 * Project:
 * --------
 *  MAUI
 *
 * Description:
 * ------------
 *  
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 * Author:
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 *==============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
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 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *==============================================================================
 *******************************************************************************/

/**
 * Copyright Notice
 * ?2002 - 2003, Pixtel Communications, Inc., 1489 43rd Ave. W.,
 * Vancouver, B.C. V6M 4K8 Canada. All Rights Reserved.
 *  (It is illegal to remove this copyright notice from this software or any
 *  portion of it)
 */

/**************************************************************

   FILENAME : Queue.c

   PURPOSE     : Task queue implementation functions 

   REMARKS     : nil

   AUTHOR      : Neeraj Sharma

   DATE     : Dec' 28, 2002

**************************************************************/

// #define __NEWSIMULATOR
#include "MMI_features.h"
#include "stdc.h"
// #include "L4Dr1.h"
#include "OslMemory.h"
#include "pixteldatatypes.h"
#include "QueueGprot.h"
#include "DebugInitDef.h"
//#undef __NEWSIMULATOR 
//#include "l4dr.h"
//#include "MMI_trc.h"
#ifndef __MTK_TARGET__
#define __align(x)
#endif 
void *lastMemory;
TSIZE *lastSize;
MYQUEUE *qPtr;


/*****************************************************************************
 * FUNCTION
 *  OslIntCreateMsgQ
 * DESCRIPTION
 *  Creates Message Queue
 * PARAMETERS
 *  queue_name          [IN]        
 *  max_msg_size        [IN]        
 *  max_msgs            [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
oslMsgqid OslIntCreateMsgQ(PS8 queue_name, U32 max_msg_size, U32 max_msgs)
{
#ifdef MMI_ON_WIN32
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    win32_msgqid *msgqid;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    msgqid = (win32_msgqid*) OslMalloc(sizeof(win32_msgqid));
    strcpy(msgqid->q_name, queue_name);
    msgqid->q_max_message_size = max_msg_size;
    msgqid->q_max_messages = max_msgs;
    msgqid->q_messages = 0;
    msgqid->q_queue_size = msgqid->q_max_message_size * msgqid->q_max_messages;
    msgqid->q_semaphore_read = CreateSemaphore(NULL, 0, 1000, NULL);
    msgqid->q_semaphore_write = CreateSemaphore(NULL, 0, 1000, NULL);
    msgqid->q_start = (PU32) OslMalloc(msgqid->q_queue_size);
    msgqid->q_message_size = (PU32) OslMalloc(msgqid->q_max_messages * 4);
    msgqid->q_read = 0;
    msgqid->q_write = 0;
    msgqid->q_tasks_waiting_read = 0;
    msgqid->q_tasks_waiting_write = 0;
    InitializeCriticalSection(&msgqid->q_cs);
    return msgqid;
#else /* MMI_ON_WIN32 */ 
    return NULL;
#endif /* MMI_ON_WIN32 */ 

}


/*****************************************************************************
 * FUNCTION
 *  OslIntDeleteMsgQ
 * DESCRIPTION
 *  Deletes Message Queue
 * PARAMETERS
 *  msgqid      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void OslIntDeleteMsgQ(oslMsgqid msgqid)
{
#ifdef MMI_ON_WIN32
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    DeleteCriticalSection(&msgqid->q_cs);
    CloseHandle(msgqid->q_semaphore_read);
    CloseHandle(msgqid->q_semaphore_write);
    OslMfree(msgqid->q_start);
    OslMfree(msgqid->q_message_size);
    OslMfree(msgqid);
#endif /* MMI_ON_WIN32 */ 
}


/*****************************************************************************
 * FUNCTION
 *  OslIntWriteMsgQ
 * DESCRIPTION
 *  Writes to Message Queue
 * PARAMETERS
 *  msgqid          [IN]        
 *  msgPtr          [?]         
 *  msgSize         [IN]        
 *  wait_mode       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
OSLSTATUS OslIntWriteMsgQ(oslMsgqid msgqid, void *msgPtr, U32 msgSize, OSLWAITMODE wait_mode)
{
#ifdef MMI_ON_WIN32
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    U32 index;
    PU32 ptr;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    EnterCriticalSection(&msgqid->q_cs);
    if (msgSize > msgqid->q_max_message_size)
    {
        LeaveCriticalSection(&msgqid->q_cs);
        return OSL_MESSAGE_TOO_BIG;
    }
    /* Check whether the queue is full) */
    if (msgqid->q_messages == msgqid->q_max_messages)
    {
        if (wait_mode == OSL_INFINITE_WAIT)
        {
            ++msgqid->q_tasks_waiting_write;
            LeaveCriticalSection(&msgqid->q_cs);
            WaitForSingleObject(msgqid->q_semaphore_write, INFINITE);
            EnterCriticalSection(&msgqid->q_cs);
        }
        else
        {
            LeaveCriticalSection(&msgqid->q_cs);
            return OSL_Q_FULL;
        }
    }
    msgqid->q_message_size[msgqid->q_write] = msgSize;
    index = msgqid->q_write * (msgqid->q_max_message_size / 4);
    ptr = msgqid->q_start + index;
    memcpy(ptr, msgPtr, msgSize);
    if (++msgqid->q_write == msgqid->q_max_messages)
    {
        msgqid->q_write = 0;
    }
    ++msgqid->q_messages;
    if (msgqid->q_tasks_waiting_read != 0)
    {
        ReleaseSemaphore(msgqid->q_semaphore_read, 1, NULL);
        msgqid->q_tasks_waiting_read -= 1;
    }
    LeaveCriticalSection(&msgqid->q_cs);
#endif /* MMI_ON_WIN32 */ 
    return OSL_SUCCESS;
}


/*****************************************************************************
 * FUNCTION
 *  OslIntReadMsgQ
 * DESCRIPTION
 *  Reades from Message Queue
 * PARAMETERS
 *  msgqid          [IN]        
 *  msgPtr          [?]         
 *  msgSize         [?]         
 *  wait_mode       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
OSLSTATUS OslIntReadMsgQ(oslMsgqid msgqid, void *msgPtr, U32 *msgSize, OSLWAITMODE wait_mode)
{
#ifdef MMI_ON_WIN32
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    EnterCriticalSection(&msgqid->q_cs);

    if ((msgqid->q_read == msgqid->q_write) && (msgqid->q_messages == 0))
    {
        if (wait_mode == OSL_INFINITE_WAIT)
        {
            ++msgqid->q_tasks_waiting_read;
            LeaveCriticalSection(&msgqid->q_cs);
            WaitForSingleObject(msgqid->q_semaphore_read, INFINITE);
            EnterCriticalSection(&msgqid->q_cs);
        }
        else
        {
            LeaveCriticalSection(&msgqid->q_cs);
            return OSL_Q_EMPTY;
        }
    }
    *msgSize = msgqid->q_message_size[msgqid->q_read];
    memcpy(msgPtr, msgqid->q_start + (msgqid->q_read * (msgqid->q_max_message_size / 4)), *msgSize);
    if (++msgqid->q_read == msgqid->q_max_messages)
    {
        msgqid->q_read = 0;
    }
    --msgqid->q_messages;

    if (msgqid->q_tasks_waiting_write != 0)
    {
        ReleaseSemaphore(msgqid->q_semaphore_write, 1, NULL);
        --msgqid->q_tasks_waiting_write;
    }
    LeaveCriticalSection(&msgqid->q_cs);

#endif /* MMI_ON_WIN32 */ 
    return OSL_SUCCESS;
}


/*****************************************************************************
 * FUNCTION
 *  OslIntReceiveMsgExtQ
 * DESCRIPTION
 *  Reades from Task External Queue
 * PARAMETERS
 *  msgqid      [IN]        
 *  Message     [?]         
 * RETURNS
 *  void
 *****************************************************************************/
U32 OslIntReceiveMsgExtQ(oslMsgqid msgqid, MYQUEUE *Message)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    U32 msgSize = 0;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    OslIntReadMsgQ(msgqid, Message, &msgSize, OSL_INFINITE_WAIT);
    return msgSize;
}

extern void CheckAndPrintMsgId(U16 Id);


/*****************************************************************************
 * FUNCTION
 *  OslIntMsgSendExtQueue
 * DESCRIPTION
 *  Writes to Task External Queue
 * PARAMETERS
 *  Message     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void OslIntMsgSendExtQueue(MYQUEUE *Message)
{
#ifndef MMI_ON_WIN32
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    MYQUEUE *oslMessage;
    U8 ref_count;
    
    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    
    /* check ref_count of local para */
    if (Message->local_para_ptr != NULL)
    {
        ref_count = Message->local_para_ptr->ref_count;              
        EXT_ASSERT(ref_count != 0, (int)Message->src_mod_id, 
                    (int)Message->dest_mod_id, (int)Message->msg_id);

    }    
    
    oslMessage = allocate_ilm(Message->oslSrcId);
    memcpy(oslMessage, Message, sizeof(MYQUEUE));
    if (oslMessage->oslSrcId == MOD_MMI &&
        oslMessage->oslDestId == MOD_L4C)
    {
        oslMessage->sap_id = MMI_L4C_SAP;
    }
    else if (oslMessage->oslSrcId == MOD_MMI &&
             oslMessage->oslDestId == MOD_MMI)
    {
        oslMessage->sap_id = MMI_MMI_SAP;