/** @file
Provides some data struct used by OHCI controller driver.
Copyright (c) 2013-2015 Intel Corporation.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#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