xref: /utopia/UTPA2-700.0.x/modules/usb/drv/usb_ecos/usbhost/drvDriver.c (revision 53ee8cc121a030b8d368113ac3e966b4705770ef)

//<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.
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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
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//
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//    (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
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//    The place of arbitration shall be in Taipei, Taiwan and the language shall
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//    The arbitration award shall be final and binding to both parties.
//
//******************************************************************************
//<MStar Software>


#undef DEBUG

#include <MsCommon.h>
#include "include/drvKernel.h"
#include "drvBase.h"
#include "include/drvDevice.h"

/*
#define to_dev(node) container_of(node,struct device,driver_list)
#define to_drv(obj) container_of(obj,struct device_driver,kobj)
*/

LIST_HEAD(global_driver_list);

/**
 *  driver_register - register driver with bus
 *  @drv:  driver to register
 *
 *  We pass off most of the work to the bus_add_driver() call,
 *  since most of the things we have to do deal with the bus
 *  structures.
 *
 *  The one interesting aspect is that we initialize @drv->unload_sem
 *  to a locked state here. It will be unlocked when the driver
 *  reference count reaches 0.
 */

/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
int driver_register(struct device_driver * m_drv)
{
  INIT_LIST_HEAD(&m_drv->devices);
  init_MUTEX_LOCKED(&m_drv->unload_sem);
  return bus_add_driver(m_drv);
}


/**
 *  driver_unregister - remove driver from system.
 *  @drv:  driver.
 *
 *  Again, we pass off most of the work to the bus-level call.
 *
 *  Though, once that is done, we attempt to take @drv->unload_sem.
 *  This will block until the driver refcount reaches 0, and it is
 *  released. Only modular drivers will call this function, and we
 *  have to guarantee that it won't complete, letting the driver
 *  unload until all references are gone.
 */
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
	/*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/

void driver_unregister(struct device_driver * m_drv)
{
  bus_remove_driver(m_drv);
  down(&m_drv->unload_sem);
  up(&m_drv->unload_sem);
}