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503 lines
27 KiB
C
503 lines
27 KiB
C
/** @file
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EFI_USB_HC_PROTOCOL as defined in EFI 1.10.
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The USB Host Controller Protocol is used by code, typically USB bus drivers,
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running in the EFI boot services environment, to perform data transactions
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over a USB bus. In addition, it provides an abstraction for the root hub of the USB bus.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _USB_HOSTCONTROLLER_H_
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#define _USB_HOSTCONTROLLER_H_
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#include <Protocol/Usb2HostController.h>
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#define EFI_USB_HC_PROTOCOL_GUID \
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{ \
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0xf5089266, 0x1aa0, 0x4953, {0x97, 0xd8, 0x56, 0x2f, 0x8a, 0x73, 0xb5, 0x19 } \
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}
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///
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/// Forward reference for pure ANSI compatability
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///
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typedef struct _EFI_USB_HC_PROTOCOL EFI_USB_HC_PROTOCOL;
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//
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// Protocol definitions
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//
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/**
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Provides software reset for the USB host controller.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param Attributes A bit mask of the reset operation to perform.
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@retval EFI_SUCCESS The reset operation succeeded.
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@retval EFI_UNSUPPORTED The type of reset specified by Attributes is not currently supported
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by the host controller hardware.
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@retval EFI_INVALID_PARAMETER Attributes is not valid.
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@retval EFI_DEVICE_ERROR An error was encountered while attempting to perform the reset operation.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_RESET)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT16 Attributes
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);
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/**
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Retrieves current state of the USB host controller.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param State A pointer to the EFI_USB_HC_STATE data structure that
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indicates current state of the USB host controller.
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@retval EFI_SUCCESS The state information of the host controller was returned in State.
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@retval EFI_INVALID_PARAMETER State is NULL.
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@retval EFI_DEVICE_ERROR An error was encountered while attempting to retrieve the host controller's
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current state.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_GET_STATE)(
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IN EFI_USB_HC_PROTOCOL *This,
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OUT EFI_USB_HC_STATE *State
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);
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/**
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Sets the USB host controller to a specific state.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param State Indicates the state of the host controller that will be set.
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@retval EFI_SUCCESS The USB host controller was successfully placed in the state specified by
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State.
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@retval EFI_INVALID_PARAMETER State is NULL.
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@retval EFI_DEVICE_ERROR Failed to set the state specified by State due to device error.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_SET_STATE)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN EFI_USB_HC_STATE State
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);
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/**
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Submits control transfer to a target USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB, which is
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assigned during USB enumeration.
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@param IsSlowDevice Indicates whether the target device is slow device or full-speed
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device.
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@param MaximumPacketLength Indicates the maximum packet size that the default control
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transfer endpoint is capable of sending or receiving.
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@param Request A pointer to the USB device request that will be sent to the USB
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device.
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@param TransferDirection Specifies the data direction for the transfer. There are three
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values available, EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength On input, indicates the size, in bytes, of the data buffer specified
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by Data. On output, indicates the amount of data actually
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transferred.
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@param TimeOut Indicates the maximum time, in milliseconds, which the transfer
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is allowed to complete.
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@param TransferResult A pointer to the detailed result information generated by this
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control transfer.
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@retval EFI_SUCCESS The control transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The control transfer could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The control transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The control transfer failed due to host controller or device error.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_CONTROL_TRANSFER)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaximumPacketLength,
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IN EFI_USB_DEVICE_REQUEST *Request,
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IN EFI_USB_DATA_DIRECTION TransferDirection,
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IN OUT VOID *Data OPTIONAL,
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IN OUT UINTN *DataLength OPTIONAL,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Submits bulk transfer to a bulk endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB, which is
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assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the control
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endpoint (whose default endpoint address is 0). It is the
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caller's responsibility to make sure that the EndPointAddress
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represents a bulk endpoint.
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@param MaximumPacketLength Indicates the maximum packet size that the default control
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transfer endpoint is capable of sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength On input, indicates the size, in bytes, of the data buffer specified
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by Data. On output, indicates the amount of data actually
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transferred.
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@param DataToggle A pointer to the data toggle value.
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@param TimeOut Indicates the maximum time, in milliseconds, which the transfer
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is allowed to complete.
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@param TransferResult A pointer to the detailed result information of the bulk transfer.
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@retval EFI_SUCCESS The bulk transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The bulk transfer could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The bulk transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The bulk transfer failed due to host controller or device error.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_BULK_TRANSFER)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN UINT8 MaximumPacketLength,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN OUT UINT8 *DataToggle,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Submits an asynchronous interrupt transfer to an interrupt endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB, which is
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assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the control
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endpoint (whose default endpoint address is zero). It is the
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caller's responsibility to make sure that the
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EndPointAddress represents an interrupt endpoint.
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@param IsSlowDevice Indicates whether the target device is slow device or full-speed
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device.
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@param MaximumPacketLength Indicates the maximum packet size that the default control
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transfer endpoint is capable of sending or receiving.
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@param IsNewTransfer If TRUE, an asynchronous interrupt pipe is built between the host
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and the target interrupt endpoint. If FALSE, the specified asynchronous
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interrupt pipe is canceled. If TRUE, and an interrupt transfer exists
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for the target end point, then EFI_INVALID_PARAMETER is returned.
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@param DataToggle A pointer to the data toggle value. On input, it is valid when
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IsNewTransfer is TRUE, and it indicates the initial data toggle
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value the asynchronous interrupt transfer should adopt. On output,
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it is valid when IsNewTransfer is FALSE, and it is updated to indicate
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the data toggle value of the subsequent asynchronous interrupt transfer.
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@param PollingInterval Indicates the interval, in milliseconds, that the asynchronous
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interrupt transfer is polled.
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@param DataLength Indicates the length of data to be received at the rate specified by
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PollingInterval from the target asynchronous interrupt
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endpoint. This parameter is only required when IsNewTransfer is TRUE.
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@param CallBackFunction The Callback function. This function is called at the rate specified by
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PollingInterval. This parameter is only required when IsNewTransfer is TRUE.
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@param Context The context that is passed to the CallBackFunction.
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@retval EFI_SUCCESS The asynchronous interrupt transfer request has been successfully
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submitted or canceled.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The bulk transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The bulk transfer failed due to host controller or device error.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_ASYNC_INTERRUPT_TRANSFER)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaxiumPacketLength,
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IN BOOLEAN IsNewTransfer,
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IN OUT UINT8 *DataToggle,
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IN UINTN PollingInterval OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction OPTIONAL,
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IN VOID *Context OPTIONAL
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);
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/**
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Submits synchronous interrupt transfer to an interrupt endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB, which is
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assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the control
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endpoint (whose default endpoint address is zero). It is the
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caller's responsibility to make sure that the
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EndPointAddress represents an interrupt endpoint.
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@param IsSlowDevice Indicates whether the target device is slow device or full-speed
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device.
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@param MaximumPacketLength Indicates the maximum packet size that the default control
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transfer endpoint is capable of sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device. asynchronous interrupt pipe is canceled.
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@param DataLength On input, the size, in bytes, of the data buffer specified by Data.
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On output, the number of bytes transferred.
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@param DataToggle A pointer to the data toggle value. On input, it indicates the initial
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data toggle value the synchronous interrupt transfer should adopt;
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on output, it is updated to indicate the data toggle value of the
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subsequent synchronous interrupt transfer.
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@param TimeOut Indicates the maximum time, in milliseconds, which the transfer
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is allowed to complete.
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@param TransferResult A pointer to the detailed result information from the synchronous
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interrupt transfer.
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@retval EFI_SUCCESS The synchronous interrupt transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The synchronous interrupt transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The synchronous interrupt transfer failed due to host controller or device error.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_SYNC_INTERRUPT_TRANSFER)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN BOOLEAN IsSlowDevice,
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IN UINT8 MaximumPacketLength,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN OUT UINT8 *DataToggle,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Submits isochronous transfer to an isochronous endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB, which is
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assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the control
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endpoint (whose default endpoint address is 0). It is the caller's
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responsibility to make sure that the EndPointAddress
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represents an isochronous endpoint.
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@param MaximumPacketLength Indicates the maximum packet size that the default control
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transfer endpoint is capable of sending or receiving.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device. asynchronous interrupt pipe is canceled.
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@param DataLength Specifies the length, in bytes, of the data to be sent to or received
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from the USB device.
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@param TransferResult A pointer to the detailed result information from the isochronous
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transfer.
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@retval EFI_SUCCESS The isochronous transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The isochronous could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The isochronous transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The isochronous transfer failed due to host controller or device error.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_ISOCHRONOUS_TRANSFER)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN UINT8 MaximumPacketLength,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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OUT UINT32 *TransferResult
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);
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/**
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Submits nonblocking isochronous transfer to an isochronous endpoint of a USB device.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param DeviceAddress Represents the address of the target device on the USB, which is
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assigned during USB enumeration.
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@param EndPointAddress The combination of an endpoint number and an endpoint
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direction of the target USB device. Each endpoint address
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supports data transfer in one direction except the control
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endpoint (whose default endpoint address is zero). It is the
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caller's responsibility to make sure that the
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EndPointAddress represents an isochronous endpoint.
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@param MaximumPacketLength Indicates the maximum packet size that the default control
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transfer endpoint is capable of sending or receiving. For isochronous
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endpoints, this value is used to reserve the bus time in the schedule,
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required for the perframe data payloads. The pipe may, on an ongoing basis,
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actually use less bandwidth than that reserved.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device. asynchronous interrupt pipe is canceled.
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@param DataLength Specifies the length, in bytes, of the data to be sent to or received
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from the USB device.
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@param IsochronousCallback The Callback function.This function is called if the requested
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isochronous transfer is completed.
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@param Context Data passed to the IsochronousCallback function. This is
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an optional parameter and may be NULL.
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@retval EFI_SUCCESS The asynchronous isochronous transfer was completed successfully.
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@retval EFI_OUT_OF_RESOURCES The asynchronous isochronous could not be completed due to a lack of resources.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_ASYNC_ISOCHRONOUS_TRANSFER)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN UINT8 MaximumPacketLength,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,
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IN VOID *Context OPTIONAL
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);
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/**
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Retrieves the number of root hub ports.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param PortNumber A pointer to the number of the root hub ports.
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@retval EFI_SUCCESS The port number was retrieved successfully.
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@retval EFI_DEVICE_ERROR An error was encountered while attempting to retrieve the port number.
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@retval EFI_INVALID_PARAMETER PortNumber is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_GET_ROOTHUB_PORT_NUMBER)(
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IN EFI_USB_HC_PROTOCOL *This,
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OUT UINT8 *PortNumber
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);
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/**
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Retrieves the current status of a USB root hub port.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param PortNumber Specifies the root hub port from which the status is to be retrieved.
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This value is zero based. For example, if a root hub has two ports,
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then the first port is numbered 0, and the second port is
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numbered 1.
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@param PortStatus A pointer to the current port status bits and port status change bits.
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@retval EFI_SUCCESS The status of the USB root hub port specified by PortNumber
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was returned in PortStatus.
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@retval EFI_INVALID_PARAMETER PortNumber is invalid.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_GET_ROOTHUB_PORT_STATUS)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 PortNumber,
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OUT EFI_USB_PORT_STATUS *PortStatus
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);
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/**
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Sets a feature for the specified root hub port.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param PortNumber Specifies the root hub port from which the status is to be retrieved.
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This value is zero based. For example, if a root hub has two ports,
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then the first port is numbered 0, and the second port is
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numbered 1.
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@param PortFeature Indicates the feature selector associated with the feature set
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request.
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@retval EFI_SUCCESS The feature specified by PortFeature was set for the USB
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root hub port specified by PortNumber.
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@retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid for this function.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_SET_ROOTHUB_PORT_FEATURE)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 PortNumber,
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IN EFI_USB_PORT_FEATURE PortFeature
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);
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/**
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Clears a feature for the specified root hub port.
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@param This A pointer to the EFI_USB_HC_PROTOCOL instance.
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@param PortNumber Specifies the root hub port from which the status is to be retrieved.
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This value is zero based. For example, if a root hub has two ports,
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then the first port is numbered 0, and the second port is
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numbered 1.
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@param PortFeature Indicates the feature selector associated with the feature clear
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request.
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@retval EFI_SUCCESS The feature specified by PortFeature was cleared for the USB
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root hub port specified by PortNumber.
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@retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid for this function.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_HC_PROTOCOL_CLEAR_ROOTHUB_PORT_FEATURE)(
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IN EFI_USB_HC_PROTOCOL *This,
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IN UINT8 PortNumber,
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IN EFI_USB_PORT_FEATURE PortFeature
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);
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///
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/// The EFI_USB_HC_PROTOCOL provides USB host controller management, basic data transactions
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/// over a USB bus, and USB root hub access. A device driver that wishes to manage a USB bus in a
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/// system retrieves the EFI_USB_HC_PROTOCOL instance that is associated with the USB bus to be
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/// managed. A device handle for a USB host controller will minimally contain an
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/// EFI_DEVICE_PATH_PROTOCOL instance, and an EFI_USB_HC_PROTOCOL instance.
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///
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struct _EFI_USB_HC_PROTOCOL {
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EFI_USB_HC_PROTOCOL_RESET Reset;
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EFI_USB_HC_PROTOCOL_GET_STATE GetState;
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EFI_USB_HC_PROTOCOL_SET_STATE SetState;
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EFI_USB_HC_PROTOCOL_CONTROL_TRANSFER ControlTransfer;
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EFI_USB_HC_PROTOCOL_BULK_TRANSFER BulkTransfer;
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EFI_USB_HC_PROTOCOL_ASYNC_INTERRUPT_TRANSFER AsyncInterruptTransfer;
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EFI_USB_HC_PROTOCOL_SYNC_INTERRUPT_TRANSFER SyncInterruptTransfer;
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EFI_USB_HC_PROTOCOL_ISOCHRONOUS_TRANSFER IsochronousTransfer;
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EFI_USB_HC_PROTOCOL_ASYNC_ISOCHRONOUS_TRANSFER AsyncIsochronousTransfer;
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EFI_USB_HC_PROTOCOL_GET_ROOTHUB_PORT_NUMBER GetRootHubPortNumber;
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EFI_USB_HC_PROTOCOL_GET_ROOTHUB_PORT_STATUS GetRootHubPortStatus;
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EFI_USB_HC_PROTOCOL_SET_ROOTHUB_PORT_FEATURE SetRootHubPortFeature;
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EFI_USB_HC_PROTOCOL_CLEAR_ROOTHUB_PORT_FEATURE ClearRootHubPortFeature;
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///
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/// The major revision number of the USB host controller. The revision information
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/// indicates the release of the Universal Serial Bus Specification with which the
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/// host controller is compliant.
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///
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UINT16 MajorRevision;
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///
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/// The minor revision number of the USB host controller. The revision information
|
|
/// indicates the release of the Universal Serial Bus Specification with which the
|
|
/// host controller is compliant.
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///
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|
UINT16 MinorRevision;
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};
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extern EFI_GUID gEfiUsbHcProtocolGuid;
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#endif
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