UsbUtility.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
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
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 _EFI_USB_UTILITY_H_
#define _EFI_USB_UTILITY_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.
**/
);
/**
Reset the host controller.
@param UsbBus The usb bus driver.
@param Attributes The reset type, only global reset is used by this driver.
@retval EFI_SUCCESS The reset operation succeeded.
@retval EFI_INVALID_PARAMETER Attributes is not valid.
@retval EFI_UNSUPPOURTED The type of reset specified by Attributes is
not currently supported by the host controller.
@retval EFI_DEVICE_ERROR Host controller isn't halted to reset.
**/
);
/**
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.
**/
);
/**
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.
**/
);
/**
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.
**/
);
/**
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.
**/
);
/**
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.
**/
);
/**
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 UsbResult The result of transfer.
@retval EFI_SUCCESS The control transfer finished without error.
@retval Others The control transfer failed, reason returned in UsbReslt.
**/
);
/**
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 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.
**/
);
/**
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 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.
**/
);
/**
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 UsbResult The result of USB execution.
@retval EFI_SUCCESS The synchronous interrupt transfer is OK.
@retval Others Failed to execute the synchronous interrupt transfer.
**/
);
/**
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 UsbResult The result of USB execution.
@retval EFI_UNSUPPORTED The isochronous transfer isn't supported now.
**/
);
/**
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 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.
**/
);
/**
Open the USB host controller protocol BY_CHILD.
@param Bus The USB bus driver.
@param Child The child handle.
@return The open protocol return.
**/
);
/**
Close the USB host controller protocol BY_CHILD.
@param Bus The USB bus driver.
@param Child The child handle.
@return None.
**/
);
/**
return the current TPL, copied from the EDKII glue lib.
@param VOID.
@return Current TPL.
**/
);
#endif