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Synchronize function's comments with EFI 1.1 specification. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6059 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2008-09-28 06:37:40 +00:00
parent 8377875baa
commit 2baabe0d4d
1 changed files with 64 additions and 23 deletions
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87
MdePkg/Include/Protocol/UsbHostController.h
View File

@ -106,7 +106,8 @@ EFI_STATUS
transfer endpoint is capable of sending or receiving.
@param Request A pointer to the USB device request that will be sent to the USB
device.
@param TransferDirection Specifies the data direction for the transfer.
@param TransferDirection Specifies the data direction for the transfer. There are three
values available, EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.
@param Data A pointer to the buffer of data that will be transmitted to USB
device or received from USB device.
@param DataLength On input, indicates the size, in bytes, of the data buffer specified
@ -145,8 +146,12 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param DeviceAddress Represents the address of the target device on the USB, which is
assigned during USB enumeration.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device. Each endpoint address
supports data transfer in one direction except the control
endpoint (whose default endpoint address is 0). It is the
caller’s responsibility to make sure that the EndPointAddress
represents a bulk endpoint.
@param MaximumPacketLength Indicates the maximum packet size that the default control
transfer endpoint is capable of sending or receiving.
@param Data A pointer to the buffer of data that will be transmitted to USB
@ -186,21 +191,32 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param DeviceAddress Represents the address of the target device on the USB, which is
assigned during USB enumeration.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device. Each endpoint address
supports data transfer in one direction except the control
endpoint (whose default endpoint address is 0). It is the
caller’s responsibility to make sure that the EndPointAddress
represents a bulk endpoint.
@param IsSlowDevice Indicates whether the target device is slow device or full-speed
device.
@param MaximumPacketLength Indicates the maximum packet size that the default control
transfer endpoint is capable of sending or receiving.
@param IsNewTransfer If TRUE, an asynchronous interrupt pipe is built between the host
and the target interrupt endpoint. If FALSE, the specified
@param DataToggle A pointer to the data toggle value.
and the target interrupt endpoint. If FALSE, the specified asynchronous
interrupt pipe is canceled. If TRUE, and an interrupt transfer exists
for the target end point, then EFI_INVALID_PARAMETER is returned.
@param DataToggle A pointer to the data toggle value. On input, it is valid when
IsNewTransfer is TRUE, and it indicates the initial data toggle
value the asynchronous interrupt transfer should adopt. On output,
it is valid when IsNewTransfer is FALSE, and it is updated to indicate
the data toggle value of the subsequent asynchronous interrupt transfer.
@param PollingInterval Indicates the interval, in milliseconds, that the asynchronous
interrupt transfer is polled. asynchronous interrupt pipe is canceled.
interrupt transfer is polled.
@param DataLength Indicates the length of data to be received at the rate specified by
PollingInterval from the target asynchronous interrupt
endpoint.
@param CallBackFunction The Callback function.
endpoint. This parameter is only required when IsNewTransfer is TRUE.
@param CallBackFunction The Callback function. This function is called at the rate specified by
PollingInterval. This parameter is only required when IsNewTransfer is TRUE.
@param Context The context that is passed to the CallBackFunction.
@retval EFI_SUCCESS The asynchronous interrupt transfer request has been successfully
@ -233,8 +249,12 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param DeviceAddress Represents the address of the target device on the USB, which is
assigned during USB enumeration.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device. Each endpoint address
supports data transfer in one direction except the control
endpoint (whose default endpoint address is 0). It is the
caller’s responsibility to make sure that the EndPointAddress
represents a bulk endpoint.
@param IsSlowDevice Indicates whether the target device is slow device or full-speed
device.
@param MaximumPacketLength Indicates the maximum packet size that the default control
@ -243,7 +263,10 @@ EFI_STATUS
device or received from USB device. asynchronous interrupt pipe is canceled.
@param DataLength On input, the size, in bytes, of the data buffer specified by Data.
On output, the number of bytes transferred.
@param DataToggle A pointer to the data toggle value.
@param DataToggle A pointer to the data toggle value. On input, it indicates the initial
data toggle value the synchronous interrupt transfer should adopt;
on output, it is updated to indicate the data toggle value of the
subsequent synchronous interrupt transfer.
@param TimeOut Indicates the maximum time, in milliseconds, which the transfer
is allowed to complete.
@param TransferResult A pointer to the detailed result information from the synchronous
@ -277,8 +300,12 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param DeviceAddress Represents the address of the target device on the USB, which is
assigned during USB enumeration.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device. Each endpoint address
supports data transfer in one direction except the control
endpoint (whose default endpoint address is 0). It is the
caller’s responsibility to make sure that the EndPointAddress
represents a bulk endpoint.
@param MaximumPacketLength Indicates the maximum packet size that the default control
transfer endpoint is capable of sending or receiving.
@param Data A pointer to the buffer of data that will be transmitted to USB
@ -313,15 +340,23 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param DeviceAddress Represents the address of the target device on the USB, which is
assigned during USB enumeration.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device.
@param EndPointAddress The combination of an endpoint number and an endpoint
direction of the target USB device. Each endpoint address
supports data transfer in one direction except the control
endpoint (whose default endpoint address is 0). It is the
caller’s responsibility to make sure that the EndPointAddress
represents a bulk endpoint.
@param MaximumPacketLength Indicates the maximum packet size that the default control
transfer endpoint is capable of sending or receiving.
transfer endpoint is capable of sending or receiving. For isochronous
endpoints, this value is used to reserve the bus time in the schedule,
required for the perframe data payloads. The pipe may, on an ongoing basis,
actually use less bandwidth than that reserved.
@param Data A pointer to the buffer of data that will be transmitted to USB
device or received from USB device. asynchronous interrupt pipe is canceled.
@param DataLength Specifies the length, in bytes, of the data to be sent to or received
from the USB device.
@param IsochronousCallback The Callback function.
@param IsochronousCallback The Callback function.This function is called if the requested
isochronous transfer is completed.
@param Context Data passed to the IsochronousCallback function. This is
an optional parameter and may be NULL.
@ -366,7 +401,9 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param PortNumber Specifies the root hub port from which the status is to be retrieved.
This value is zero based.
This value is zero based. For example, if a root hub has two ports,
then the first port is numbered 0, and the second port is
numbered 1.
@param PortStatus A pointer to the current port status bits and port status change bits.
@retval EFI_SUCCESS The status of the USB root hub port specified by PortNumber
@ -387,7 +424,9 @@ EFI_STATUS
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param PortNumber Specifies the root hub port from which the status is to be retrieved.
This value is zero based.
This value is zero based. For example, if a root hub has two ports,
then the first port is numbered 0, and the second port is
numbered 1.
@param PortFeature Indicates the feature selector associated with the feature set
request.
@ -408,8 +447,10 @@ EFI_STATUS
Clears a feature for the specified root hub port.
@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
@param PortNumber Specifies the root hub port from which the status is to be cleared.
This value is zero based.
@param PortNumber Specifies the root hub port from which the status is to be retrieved.
This value is zero based. For example, if a root hub has two ports,
then the first port is numbered 0, and the second port is
numbered 1.
@param PortFeature Indicates the feature selector associated with the feature clear
request.