//<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
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// 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
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//    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>

//#include <MsCommon.h> // NUSED
//#include "include/drvCompiler.h" // NUSED
//#include "include/drvConfig.h" // NUSED
//#include "include/drvDevice.h" // NUSED
#include "include/drvKernel.h"
//#include "include/drvList.h" // NUSED
#include "drvUsbHostConfig.h"

/**
     * @brief               generic device structure initialization
     *
     * @param           struct device_s *ms_gdev
     *
     * @return          none
     */
void ms_device_initialize(struct device_s *ms_gdev)
{
    ms_list_init(&ms_gdev->node);
    ms_list_init(&ms_gdev->children);
    ms_list_init(&ms_gdev->driver_list);
    ms_list_init(&ms_gdev->bus_list);
    osapi_atomic_set(&ms_gdev->dev_refcnt,1);
}

/**
     * @brief               generic decvice adding
     *
     * @param           struct device_s *ms_gdev
     *
     * @return          error code
     */
int ms_device_add(struct device_s *ms_gdev)
{
    struct device_s * parent;

    if (!ms_gdev || !strlen(ms_gdev->bus_id))
        return -EINVAL;

    parent = ms_gdev->parent;

    ms_usbhost_debug("DEV: registering device: ID = '%s', name = %s\n",
        ms_gdev->bus_id, ms_gdev->dev_name);

    if (parent)
        ms_insert_list_before(&ms_gdev->node,&parent->children);


    ms_bus_add_device(ms_gdev);

    return ENOERR;
}

/**
     * @brief               generic device deleting
     *
     * @param           struct device_s * ms_gdev
     *
     * @return          none
     */
static void ms_device_del(struct device_s * ms_gdev)
{
    struct device_s * parent = ms_gdev->parent;

    if (parent)
        ms_list_remove_and_init(&ms_gdev->node);

    ms_bus_remove_device(ms_gdev);
}

/**
     * @brief               generic device unregistering
     *
     * @param           struct device_s * ms_gdev
     *
     * @return          none
     */
void ms_device_unregister(struct device_s * ms_gdev)
{
    ms_usbhost_debug("DEV: Unregistering device. ID = '%s', name = '%s'\n",
        ms_gdev->bus_id,ms_gdev->dev_name);
    ms_device_del(ms_gdev);
    //calling device registed release function to releaes all device's allocated resouces
    if (ms_gdev->release_func)
        ms_gdev->release_func(ms_gdev);
}