Import Usb/UsbBusDxe and Usb/UsbMassStorageDxe into MdeModulePkg.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3193 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
769
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
Normal file
769
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
Normal file
@ -0,0 +1,769 @@
|
||||
/** @file
|
||||
|
||||
Copyright (c) 2007, Intel Corporation
|
||||
All rights reserved. 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.
|
||||
|
||||
Module Name:
|
||||
|
||||
UsbUtility.c
|
||||
|
||||
Abstract:
|
||||
|
||||
Wrapper function for usb host controller interface
|
||||
|
||||
Revision History
|
||||
|
||||
|
||||
**/
|
||||
|
||||
|
||||
#include "UsbBus.h"
|
||||
|
||||
|
||||
/**
|
||||
Get the capability of the host controller
|
||||
|
||||
@param UsbBus The usb driver
|
||||
@param MaxSpeed The maximum speed this host controller supports
|
||||
@param NumOfPort The number of the root hub port
|
||||
@param Is64BitCapable Whether this controller support 64 bit addressing
|
||||
|
||||
@retval EFI_SUCCESS The host controller capability is returned
|
||||
@retval Others Failed to retrieve the host controller capability.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcGetCapability (
|
||||
IN USB_BUS *UsbBus,
|
||||
OUT UINT8 *MaxSpeed,
|
||||
OUT UINT8 *NumOfPort,
|
||||
OUT UINT8 *Is64BitCapable
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->GetCapability (
|
||||
UsbBus->Usb2Hc,
|
||||
MaxSpeed,
|
||||
NumOfPort,
|
||||
Is64BitCapable
|
||||
);
|
||||
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->GetRootHubPortNumber (UsbBus->UsbHc, NumOfPort);
|
||||
|
||||
*MaxSpeed = EFI_USB_SPEED_FULL;
|
||||
*Is64BitCapable = (UINT8) FALSE;
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Reset the host controller
|
||||
|
||||
@param UsbBus The usb bus driver
|
||||
@param Attributes The reset type, only global reset is used by this driver
|
||||
|
||||
@return GC_TODO: add return values
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcReset (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT16 Attributes
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->Reset (UsbBus->Usb2Hc, Attributes);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->Reset (UsbBus->UsbHc, Attributes);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Get the current operation state of the host controller
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param State The host controller operation state
|
||||
|
||||
@retval EFI_SUCCESS The operation state is returned in State
|
||||
@retval Others Failed to get the host controller state
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcGetState (
|
||||
IN USB_BUS *UsbBus,
|
||||
OUT EFI_USB_HC_STATE *State
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->GetState (UsbBus->Usb2Hc, State);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->GetState (UsbBus->UsbHc, State);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Set the host controller operation state
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param State The state to set
|
||||
|
||||
@retval EFI_SUCCESS The host controller is now working at State
|
||||
@retval Others Failed to set operation state
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcSetState (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN EFI_USB_HC_STATE State
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->SetState (UsbBus->Usb2Hc, State);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->SetState (UsbBus->UsbHc, State);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Get the root hub port state
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param PortIndex The index of port
|
||||
@param PortStatus The variable to save port state
|
||||
|
||||
@retval EFI_SUCCESS The root port state is returned in
|
||||
@retval Others Failed to get the root hub port state
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcGetRootHubPortStatus (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 PortIndex,
|
||||
OUT EFI_USB_PORT_STATUS *PortStatus
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->GetRootHubPortStatus (UsbBus->Usb2Hc, PortIndex, PortStatus);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->GetRootHubPortStatus (UsbBus->UsbHc, PortIndex, PortStatus);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Set the root hub port feature
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param PortIndex The port index
|
||||
@param Feature The port feature to set
|
||||
|
||||
@retval EFI_SUCCESS The port feature is set
|
||||
@retval Others Failed to set port feature
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcSetRootHubPortFeature (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 PortIndex,
|
||||
IN EFI_USB_PORT_FEATURE Feature
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->SetRootHubPortFeature (UsbBus->Usb2Hc, PortIndex, Feature);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->SetRootHubPortFeature (UsbBus->UsbHc, PortIndex, Feature);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Clear the root hub port feature
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param PortIndex The port index
|
||||
@param Feature The port feature to clear
|
||||
|
||||
@retval EFI_SUCCESS The port feature is clear
|
||||
@retval Others Failed to clear port feature
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcClearRootHubPortFeature (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 PortIndex,
|
||||
IN EFI_USB_PORT_FEATURE Feature
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->ClearRootHubPortFeature (UsbBus->Usb2Hc, PortIndex, Feature);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->ClearRootHubPortFeature (UsbBus->UsbHc, PortIndex, Feature);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Execute a control transfer to the device
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param DevAddr The device address
|
||||
@param DevSpeed The device speed
|
||||
@param MaxPacket Maximum packet size of endpoint 0
|
||||
@param Request The control transfer request
|
||||
@param Direction The direction of data stage
|
||||
@param Data The buffer holding data
|
||||
@param DataLength The length of the data
|
||||
@param TimeOut Timeout (in ms) to wait until timeout
|
||||
@param Translator The transaction translator for low/full speed device
|
||||
@param UsbResult The result of transfer
|
||||
|
||||
@retval EFI_SUCCESS The control transfer finished without error
|
||||
@retval Others The control transfer failed, reason returned in UsbReslt
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcControlTransfer (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 DevAddr,
|
||||
IN UINT8 DevSpeed,
|
||||
IN UINTN MaxPacket,
|
||||
IN EFI_USB_DEVICE_REQUEST *Request,
|
||||
IN EFI_USB_DATA_DIRECTION Direction,
|
||||
IN OUT VOID *Data,
|
||||
IN OUT UINTN *DataLength,
|
||||
IN UINTN TimeOut,
|
||||
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
|
||||
OUT UINT32 *UsbResult
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
BOOLEAN IsSlowDevice;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->ControlTransfer (
|
||||
UsbBus->Usb2Hc,
|
||||
DevAddr,
|
||||
DevSpeed,
|
||||
MaxPacket,
|
||||
Request,
|
||||
Direction,
|
||||
Data,
|
||||
DataLength,
|
||||
TimeOut,
|
||||
Translator,
|
||||
UsbResult
|
||||
);
|
||||
|
||||
} else {
|
||||
IsSlowDevice = (BOOLEAN)(EFI_USB_SPEED_LOW == DevSpeed);
|
||||
Status = UsbBus->UsbHc->ControlTransfer (
|
||||
UsbBus->UsbHc,
|
||||
DevAddr,
|
||||
IsSlowDevice,
|
||||
(UINT8) MaxPacket,
|
||||
Request,
|
||||
Direction,
|
||||
Data,
|
||||
DataLength,
|
||||
TimeOut,
|
||||
UsbResult
|
||||
);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Execute a bulk transfer to the device's endpoint
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param DevAddr The target device address
|
||||
@param EpAddr The target endpoint address, with direction encoded in
|
||||
bit 7
|
||||
@param DevSpeed The device's speed
|
||||
@param MaxPacket The endpoint's max packet size
|
||||
@param BufferNum The number of data buffer
|
||||
@param Data Array of pointers to data buffer
|
||||
@param DataLength The length of data buffer
|
||||
@param DataToggle On input, the initial data toggle to use, also return
|
||||
the next toggle on output.
|
||||
@param TimeOut The time to wait until timeout
|
||||
@param Translator The transaction translator for low/full speed device
|
||||
@param UsbResult The result of USB execution
|
||||
|
||||
@retval EFI_SUCCESS The bulk transfer is finished without error
|
||||
@retval Others Failed to execute bulk transfer, result in UsbResult
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcBulkTransfer (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 DevAddr,
|
||||
IN UINT8 EpAddr,
|
||||
IN UINT8 DevSpeed,
|
||||
IN UINTN MaxPacket,
|
||||
IN UINT8 BufferNum,
|
||||
IN OUT VOID *Data[EFI_USB_MAX_BULK_BUFFER_NUM],
|
||||
IN OUT UINTN *DataLength,
|
||||
IN OUT UINT8 *DataToggle,
|
||||
IN UINTN TimeOut,
|
||||
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
|
||||
OUT UINT32 *UsbResult
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->BulkTransfer (
|
||||
UsbBus->Usb2Hc,
|
||||
DevAddr,
|
||||
EpAddr,
|
||||
DevSpeed,
|
||||
MaxPacket,
|
||||
BufferNum,
|
||||
Data,
|
||||
DataLength,
|
||||
DataToggle,
|
||||
TimeOut,
|
||||
Translator,
|
||||
UsbResult
|
||||
);
|
||||
} else {
|
||||
Status = UsbBus->UsbHc->BulkTransfer (
|
||||
UsbBus->UsbHc,
|
||||
DevAddr,
|
||||
EpAddr,
|
||||
(UINT8) MaxPacket,
|
||||
*Data,
|
||||
DataLength,
|
||||
DataToggle,
|
||||
TimeOut,
|
||||
UsbResult
|
||||
);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Queue or cancel an asynchronous interrupt transfer
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param DevAddr The target device address
|
||||
@param EpAddr The target endpoint address, with direction encoded in
|
||||
bit 7
|
||||
@param DevSpeed The device's speed
|
||||
@param MaxPacket The endpoint's max packet size
|
||||
@param IsNewTransfer Whether this is a new request. If not, cancel the old
|
||||
request
|
||||
@param DataToggle Data toggle to use on input, next toggle on output
|
||||
@param PollingInterval The interval to poll the interrupt transfer (in ms)
|
||||
@param DataLength The length of periodical data receive
|
||||
@param Translator The transaction translator for low/full speed device
|
||||
@param Callback Function to call when data is received
|
||||
@param Context The context to the callback
|
||||
|
||||
@retval EFI_SUCCESS The asynchronous transfer is queued
|
||||
@retval Others Failed to queue the transfer
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcAsyncInterruptTransfer (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 DevAddr,
|
||||
IN UINT8 EpAddr,
|
||||
IN UINT8 DevSpeed,
|
||||
IN UINTN MaxPacket,
|
||||
IN BOOLEAN IsNewTransfer,
|
||||
IN OUT UINT8 *DataToggle,
|
||||
IN UINTN PollingInterval,
|
||||
IN UINTN DataLength,
|
||||
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
|
||||
IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,
|
||||
IN VOID *Context OPTIONAL
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
BOOLEAN IsSlowDevice;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->AsyncInterruptTransfer (
|
||||
UsbBus->Usb2Hc,
|
||||
DevAddr,
|
||||
EpAddr,
|
||||
DevSpeed,
|
||||
MaxPacket,
|
||||
IsNewTransfer,
|
||||
DataToggle,
|
||||
PollingInterval,
|
||||
DataLength,
|
||||
Translator,
|
||||
Callback,
|
||||
Context
|
||||
);
|
||||
} else {
|
||||
IsSlowDevice = (BOOLEAN)(EFI_USB_SPEED_LOW == DevSpeed);
|
||||
|
||||
Status = UsbBus->UsbHc->AsyncInterruptTransfer (
|
||||
UsbBus->UsbHc,
|
||||
DevAddr,
|
||||
EpAddr,
|
||||
IsSlowDevice,
|
||||
(UINT8) MaxPacket,
|
||||
IsNewTransfer,
|
||||
DataToggle,
|
||||
PollingInterval,
|
||||
DataLength,
|
||||
Callback,
|
||||
Context
|
||||
);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Execute a synchronous interrupt transfer to the target endpoint
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param DevAddr The target device address
|
||||
@param EpAddr The target endpoint address, with direction encoded in
|
||||
bit 7
|
||||
@param DevSpeed The device's speed
|
||||
@param MaxPacket The endpoint's max packet size
|
||||
@param Data Pointer to data buffer
|
||||
@param DataLength The length of data buffer
|
||||
@param DataToggle On input, the initial data toggle to use, also return
|
||||
the next toggle on output.
|
||||
@param TimeOut The time to wait until timeout
|
||||
@param Translator The transaction translator for low/full speed device
|
||||
@param UsbResult The result of USB execution
|
||||
|
||||
@retval EFI_SUCCESS The synchronous interrupt transfer is OK
|
||||
@retval Others Failed to execute the synchronous interrupt transfer
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcSyncInterruptTransfer (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 DevAddr,
|
||||
IN UINT8 EpAddr,
|
||||
IN UINT8 DevSpeed,
|
||||
IN UINTN MaxPacket,
|
||||
IN OUT VOID *Data,
|
||||
IN OUT UINTN *DataLength,
|
||||
IN OUT UINT8 *DataToggle,
|
||||
IN UINTN TimeOut,
|
||||
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
|
||||
OUT UINT32 *UsbResult
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
BOOLEAN IsSlowDevice;
|
||||
|
||||
if (UsbBus->Usb2Hc != NULL) {
|
||||
Status = UsbBus->Usb2Hc->SyncInterruptTransfer (
|
||||
UsbBus->Usb2Hc,
|
||||
DevAddr,
|
||||
EpAddr,
|
||||
DevSpeed,
|
||||
MaxPacket,
|
||||
Data,
|
||||
DataLength,
|
||||
DataToggle,
|
||||
TimeOut,
|
||||
Translator,
|
||||
UsbResult
|
||||
);
|
||||
} else {
|
||||
IsSlowDevice = (EFI_USB_SPEED_LOW == DevSpeed) ? TRUE : FALSE;
|
||||
Status = UsbBus->UsbHc->SyncInterruptTransfer (
|
||||
UsbBus->UsbHc,
|
||||
DevAddr,
|
||||
EpAddr,
|
||||
IsSlowDevice,
|
||||
(UINT8) MaxPacket,
|
||||
Data,
|
||||
DataLength,
|
||||
DataToggle,
|
||||
TimeOut,
|
||||
UsbResult
|
||||
);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Execute a synchronous Isochronous USB transfer
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param DevAddr The target device address
|
||||
@param EpAddr The target endpoint address, with direction encoded in
|
||||
bit 7
|
||||
@param DevSpeed The device's speed
|
||||
@param MaxPacket The endpoint's max packet size
|
||||
@param BufferNum The number of data buffer
|
||||
@param Data Array of pointers to data buffer
|
||||
@param DataLength The length of data buffer
|
||||
@param Translator The transaction translator for low/full speed device
|
||||
@param UsbResult The result of USB execution
|
||||
|
||||
@retval EFI_UNSUPPORTED The isochronous transfer isn't supported now
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcIsochronousTransfer (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 DevAddr,
|
||||
IN UINT8 EpAddr,
|
||||
IN UINT8 DevSpeed,
|
||||
IN UINTN MaxPacket,
|
||||
IN UINT8 BufferNum,
|
||||
IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM],
|
||||
IN UINTN DataLength,
|
||||
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
|
||||
OUT UINT32 *UsbResult
|
||||
)
|
||||
{
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Queue an asynchronous isochronous transfer
|
||||
|
||||
@param UsbBus The USB bus driver
|
||||
@param DevAddr The target device address
|
||||
@param EpAddr The target endpoint address, with direction encoded in
|
||||
bit 7
|
||||
@param DevSpeed The device's speed
|
||||
@param MaxPacket The endpoint's max packet size
|
||||
@param BufferNum The number of data buffer
|
||||
@param Data Array of pointers to data buffer
|
||||
@param DataLength The length of data buffer
|
||||
@param Translator The transaction translator for low/full speed device
|
||||
@param Callback The function to call when data is transferred
|
||||
@param Context The context to the callback function
|
||||
|
||||
@retval EFI_UNSUPPORTED The asynchronous isochronous transfer isn't supported
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbHcAsyncIsochronousTransfer (
|
||||
IN USB_BUS *UsbBus,
|
||||
IN UINT8 DevAddr,
|
||||
IN UINT8 EpAddr,
|
||||
IN UINT8 DevSpeed,
|
||||
IN UINTN MaxPacket,
|
||||
IN UINT8 BufferNum,
|
||||
IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM],
|
||||
IN UINTN DataLength,
|
||||
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
|
||||
IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,
|
||||
IN VOID *Context
|
||||
)
|
||||
{
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Open the USB host controller protocol BY_CHILD
|
||||
|
||||
@param Bus The USB bus driver
|
||||
@param Child The child handle
|
||||
|
||||
@return The open protocol return
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
UsbOpenHostProtoByChild (
|
||||
IN USB_BUS *Bus,
|
||||
IN EFI_HANDLE Child
|
||||
)
|
||||
{
|
||||
EFI_USB_HC_PROTOCOL *UsbHc;
|
||||
EFI_USB2_HC_PROTOCOL *Usb2Hc;
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (Bus->Usb2Hc != NULL) {
|
||||
Status = gBS->OpenProtocol (
|
||||
Bus->HostHandle,
|
||||
&gEfiUsb2HcProtocolGuid,
|
||||
&Usb2Hc,
|
||||
mUsbBusDriverBinding.DriverBindingHandle,
|
||||
Child,
|
||||
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
|
||||
);
|
||||
|
||||
} else {
|
||||
Status = gBS->OpenProtocol (
|
||||
Bus->HostHandle,
|
||||
&gEfiUsbHcProtocolGuid,
|
||||
&UsbHc,
|
||||
mUsbBusDriverBinding.DriverBindingHandle,
|
||||
Child,
|
||||
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
|
||||
);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Close the USB host controller protocol BY_CHILD
|
||||
|
||||
@param Bus The USB bus driver
|
||||
@param Child The child handle
|
||||
|
||||
@return None
|
||||
|
||||
**/
|
||||
VOID
|
||||
UsbCloseHostProtoByChild (
|
||||
IN USB_BUS *Bus,
|
||||
IN EFI_HANDLE Child
|
||||
)
|
||||
{
|
||||
if (Bus->Usb2Hc != NULL) {
|
||||
gBS->CloseProtocol (
|
||||
Bus->HostHandle,
|
||||
&gEfiUsb2HcProtocolGuid,
|
||||
mUsbBusDriverBinding.DriverBindingHandle,
|
||||
Child
|
||||
);
|
||||
|
||||
} else {
|
||||
gBS->CloseProtocol (
|
||||
Bus->HostHandle,
|
||||
&gEfiUsbHcProtocolGuid,
|
||||
mUsbBusDriverBinding.DriverBindingHandle,
|
||||
Child
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
return the current TPL, copied from the EDKII glue lib.
|
||||
|
||||
VOID
|
||||
|
||||
@return Current TPL
|
||||
|
||||
**/
|
||||
EFI_TPL
|
||||
UsbGetCurrentTpl (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
EFI_TPL Tpl;
|
||||
|
||||
Tpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
|
||||
gBS->RestoreTPL (Tpl);
|
||||
|
||||
return Tpl;
|
||||
}
|
||||
|
||||
|
||||
#ifdef EFI_DEBUG
|
||||
VOID
|
||||
UsbDebug (
|
||||
IN CHAR8 *Format,
|
||||
...
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
USB's debug output function.
|
||||
|
||||
Arguments:
|
||||
|
||||
Format - The format parameters to the print
|
||||
... - The variable length parameters after format
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
{
|
||||
VA_LIST Marker;
|
||||
|
||||
VA_START (Marker, Format);
|
||||
DebugVPrint (DEBUG_INFO, Format, Marker);
|
||||
VA_END (Marker);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
USB's error output function.
|
||||
|
||||
@param Format The format parameters to the print
|
||||
@param ... The variable length parameters after format
|
||||
|
||||
@return None
|
||||
|
||||
**/
|
||||
VOID
|
||||
UsbError (
|
||||
IN CHAR8 *Format,
|
||||
...
|
||||
)
|
||||
{
|
||||
VA_LIST Marker;
|
||||
|
||||
VA_START (Marker, Format);
|
||||
DebugVPrint (DEBUG_ERROR, Format, Marker);
|
||||
VA_END (Marker);
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user