CloverBootloader/Drivers/OhciDxe/OhciUrb.h

/** @file
  Provides some data struct used by OHCI controller driver.

Copyright(c) 2013 Intel Corporation. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

**/


#ifndef _OHCI_URB_H
#define _OHCI_URB_H

#include "Descriptor.h" 


//
// Func List
//


/**

  Create a TD

  @Param  Ohc                   UHC private data

  @retval                       TD structure pointer

**/
TD_DESCRIPTOR *
OhciCreateTD (
  IN USB_OHCI_HC_DEV      *Ohc
  ); 

/**

  Free a TD
	
  @Param  Ohc                   UHC private data  
  @Param  Td                    Pointer to a TD to free

  @retval  EFI_SUCCESS          TD freed

**/
EFI_STATUS
OhciFreeTD (
  IN USB_OHCI_HC_DEV      *Ohc,
  IN TD_DESCRIPTOR        *Td
  ); 

/**

  Create a ED

  @Param   Ohc                  Device private data

  @retval  ED                   descriptor pointer

**/
ED_DESCRIPTOR *
OhciCreateED (
  USB_OHCI_HC_DEV          *Ohc
  ); 


/**

  Free a ED
  
  @Param  Ohc                   UHC private data
  @Param  Ed                    Pointer to a ED to free

  @retval  EFI_SUCCESS          ED freed

**/

EFI_STATUS
OhciFreeED (
  IN USB_OHCI_HC_DEV      *Ohc,
  IN ED_DESCRIPTOR        *Ed
  );

/**

  Free  ED

  @Param  Ohc                    Device private data
  @Param  Ed                     Pointer to a ED to free

  @retval  EFI_SUCCESS           ED freed

**/
EFI_STATUS
OhciFreeAllTDFromED (
  IN USB_OHCI_HC_DEV      *Ohc,
  IN ED_DESCRIPTOR        *Ed
  );

/**

  Find a working ED match the requirement

  @Param  EdHead                Head of the ED list
  @Param  DeviceAddress         Device address to search
  @Param  EndPointNum           End point num to search
  @Param  EdDir                 ED Direction to search

  @retval   ED descriptor searched

**/

ED_DESCRIPTOR *
OhciFindWorkingEd (
  IN ED_DESCRIPTOR       *EdHead,
  IN UINT8               DeviceAddress,
  IN UINT8               EndPointNum,
  IN UINT8               EdDir
  ); 


/**

  Initialize interrupt list.

  @Param Ohc                    Device private data

  @retval  EFI_SUCCESS          Initialization done

**/
EFI_STATUS
OhciInitializeInterruptList (
  USB_OHCI_HC_DEV          *Ohc
  ); 

/**

  Attach an ED

  @Param  Ed                    Ed to be attached
  @Param  NewEd                 Ed to attach

  @retval EFI_SUCCESS           NewEd attached to Ed
  @retval EFI_INVALID_PARAMETER Ed is NULL

**/
EFI_STATUS
OhciAttachED (
  IN ED_DESCRIPTOR        *Ed,
  IN ED_DESCRIPTOR        *NewEd
  ); 

/**

  Count ED number on a ED chain

  @Param  Ed                    Head of the ED chain

  @retval                       ED number on the chain

**/

UINTN
CountEdNum (
  IN ED_DESCRIPTOR      *Ed
  ); 

/**

  Find the minimal burn ED list on a specific depth level

  @Param  Ohc                   Device private data
  @Param  Depth                 Depth level

  @retval                       ED list found

**/

ED_DESCRIPTOR *
OhciFindMinInterruptEDList (
  IN USB_OHCI_HC_DEV      *Ohc,
  IN UINT32               Depth
  ); 

/**

  Attach an ED to an ED list

  @Param  OHC                   UHC private data
  @Param  ListType              Type of the ED list
  @Param  Ed                    ED to attach
  @Param  EdList                ED list to be attached

  @retval  EFI_SUCCESS          ED attached to ED list

**/
ED_DESCRIPTOR *
OhciAttachEDToList (
  IN USB_OHCI_HC_DEV       *Ohc,
  IN DESCRIPTOR_LIST_TYPE  ListType,
  IN ED_DESCRIPTOR         *Ed,
  IN ED_DESCRIPTOR         *EdList
  );

/**

  Remove interrupt EDs that match requirement

  @Param  Ohc                   UHC private data
  @Param  IntEd                 The address of Interrupt endpoint

  @retval  EFI_SUCCESS          EDs match requirement removed

**/

EFI_STATUS
OhciFreeInterruptEdByEd (
  IN USB_OHCI_HC_DEV      *Ohc,
  IN ED_DESCRIPTOR        *IntEd
  );

/**

  Remove interrupt EDs that match requirement

  @Param  Ohc                   UHC private data
  @Param  FunctionAddress       Requirement on function address
  @Param  EndPointNum           Requirement on end point number

  @retval  EFI_SUCCESS          EDs match requirement removed

**/
EFI_STATUS
OhciFreeInterruptEdByAddr (
  IN USB_OHCI_HC_DEV      *Ohc,
  IN UINT8                FunctionAddress,
  IN UINT8                EndPointNum
  ); 


/**

  Link Td2 to the end of Td1

  @Param Td1                    TD to be linked
  @Param Td2                    TD to link

  @retval EFI_SUCCESS           TD successfully linked
  @retval EFI_INVALID_PARAMETER Td1 is NULL

**/
EFI_STATUS
OhciLinkTD (
  IN TD_DESCRIPTOR        *Td1,
  IN TD_DESCRIPTOR        *Td2
  ); 


/**

  Attach TD list to ED

  @Param  Ed                    ED which TD list attach on
  @Param  HeadTd                Head of the TD list to attach

  @retval  EFI_SUCCESS          TD list attached on the ED

**/
EFI_STATUS
OhciAttachTDListToED (
  IN ED_DESCRIPTOR        *Ed,
  IN TD_DESCRIPTOR        *HeadTd
  ); 


/**

  Set value to ED specific field

  @Param  Ed                    ED to be set
  @Param  Field                 Field to be set
  @Param  Value                 Value to set

  @retval  EFI_SUCCESS          Value set

**/
EFI_STATUS
OhciSetEDField (
  IN ED_DESCRIPTOR        *Ed,
  IN UINT32               Field,
  IN UINT32               Value
  ); 


/**

  Get value from an ED's specific field

  @Param  Ed                    ED pointer
  @Param  Field                 Field to get value from

  @retval                       Value of the field

**/
UINT32
OhciGetEDField (
  IN ED_DESCRIPTOR        *Ed,
  IN UINT32               Field
  ); 


/**

  Set value to TD specific field

  @Param  Td                    TD to be set
  @Param  Field                 Field to be set
  @Param  Value                 Value to set

  @retval  EFI_SUCCESS          Value set

**/
EFI_STATUS
OhciSetTDField (
  IN TD_DESCRIPTOR        *Td,
  IN UINT32               Field,
  IN UINT32               Value
  ); 


/**

  Get value from ED specific field

  @Param  Td                    TD pointer
  @Param  Field                 Field to get value from

  @retval                       Value of the field

**/

UINT32
OhciGetTDField (
  IN TD_DESCRIPTOR      *Td,
  IN UINT32             Field
  ); 
/**

  Free the Ed,Td,buffer that were created during transferring

  @Param  Ohc                   Device private data
**/

VOID
OhciFreeDynamicIntMemory( 
  IN USB_OHCI_HC_DEV      *Ohc
  ); 

/**

  Free the Ed that were initilized during driver was starting,
  those memory were used as interrupt ED head

  @Param  Ohc                   Device private data


**/
VOID 
OhciFreeFixedIntMemory (
  IN USB_OHCI_HC_DEV      *Ohc
  ); 
/**

  Release all OHCI used memory when OHCI going to quit

  @Param  Ohc                   Device private data

  @retval EFI_SUCCESS          Memory released

**/

EFI_STATUS
OhciFreeIntTransferMemory (
  IN USB_OHCI_HC_DEV           *Ohc
  );

#endif