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/** @file
Manage Usb Port/Hc/Etc.
Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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.
**/
EFI_STATUS
UsbHcGetCapability (
IN USB_BUS *UsbBus,
OUT UINT8 *MaxSpeed,
OUT UINT8 *NumOfPort,
OUT UINT8 *Is64BitCapable
);
/**
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
);
/**
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
);
/**
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
);
/**
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 UsbResult.
**/
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
);
/**
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[],
IN OUT UINTN *DataLength,
IN OUT UINT8 *DataToggle,
IN UINTN TimeOut,
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
OUT UINT32 *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 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
);
/**
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
);
/**
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
);
/**
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
);
/**
return the current TPL, copied from the EDKII glue lib.
@param VOID.
@return Current TPL.
**/
EFI_TPL
UsbGetCurrentTpl (
VOID
);
#endif
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