diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Usb2HostController.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Usb2HostController.h | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Usb2HostController.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Usb2HostController.h new file mode 100644 index 0000000000..6a0e7be80a --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/Usb2HostController.h @@ -0,0 +1,664 @@ +/** @file + EFI_USB2_HC_PROTOCOL as defined in UEFI 2.0. + The USB Host Controller Protocol is used by code, typically USB bus drivers, + running in the EFI boot services environment, to perform data transactions over + a USB bus. In addition, it provides an abstraction for the root hub of the USB bus. + + Copyright (c) 2006 - 2015, 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 + 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. + +**/ + +#ifndef _USB2_HOSTCONTROLLER_H_ +#define _USB2_HOSTCONTROLLER_H_ + +#include <Protocol/UsbIo.h> + +#define EFI_USB2_HC_PROTOCOL_GUID \ + { \ + 0x3e745226, 0x9818, 0x45b6, {0xa2, 0xac, 0xd7, 0xcd, 0xe, 0x8b, 0xa2, 0xbc } \ + } + +/// +/// Forward reference for pure ANSI compatability +/// +typedef struct _EFI_USB2_HC_PROTOCOL EFI_USB2_HC_PROTOCOL; + + +typedef struct { + UINT16 PortStatus; ///< Contains current port status bitmap. + UINT16 PortChangeStatus; ///< Contains current port status change bitmap. +} EFI_USB_PORT_STATUS; + +/// +/// EFI_USB_PORT_STATUS.PortStatus bit definition +/// +#define USB_PORT_STAT_CONNECTION 0x0001 +#define USB_PORT_STAT_ENABLE 0x0002 +#define USB_PORT_STAT_SUSPEND 0x0004 +#define USB_PORT_STAT_OVERCURRENT 0x0008 +#define USB_PORT_STAT_RESET 0x0010 +#define USB_PORT_STAT_POWER 0x0100 +#define USB_PORT_STAT_LOW_SPEED 0x0200 +#define USB_PORT_STAT_HIGH_SPEED 0x0400 +#define USB_PORT_STAT_SUPER_SPEED 0x0800 +#define USB_PORT_STAT_OWNER 0x2000 + +/// +/// EFI_USB_PORT_STATUS.PortChangeStatus bit definition +/// +#define USB_PORT_STAT_C_CONNECTION 0x0001 +#define USB_PORT_STAT_C_ENABLE 0x0002 +#define USB_PORT_STAT_C_SUSPEND 0x0004 +#define USB_PORT_STAT_C_OVERCURRENT 0x0008 +#define USB_PORT_STAT_C_RESET 0x0010 + + +/// +/// Usb port features value +/// Each value indicates its bit index in the port status and status change bitmaps, +/// if combines these two bitmaps into a 32-bit bitmap. +/// +typedef enum { + EfiUsbPortEnable = 1, + EfiUsbPortSuspend = 2, + EfiUsbPortReset = 4, + EfiUsbPortPower = 8, + EfiUsbPortOwner = 13, + EfiUsbPortConnectChange = 16, + EfiUsbPortEnableChange = 17, + EfiUsbPortSuspendChange = 18, + EfiUsbPortOverCurrentChange = 19, + EfiUsbPortResetChange = 20 +} EFI_USB_PORT_FEATURE; + +#define EFI_USB_SPEED_FULL 0x0000 ///< 12 Mb/s, USB 1.1 OHCI and UHCI HC. +#define EFI_USB_SPEED_LOW 0x0001 ///< 1 Mb/s, USB 1.1 OHCI and UHCI HC. +#define EFI_USB_SPEED_HIGH 0x0002 ///< 480 Mb/s, USB 2.0 EHCI HC. +#define EFI_USB_SPEED_SUPER 0x0003 ///< 4.8 Gb/s, USB 3.0 XHCI HC. + +typedef struct { + UINT8 TranslatorHubAddress; ///< device address + UINT8 TranslatorPortNumber; ///< the port number of the hub that device is connected to. +} EFI_USB2_HC_TRANSACTION_TRANSLATOR; + +// +// Protocol definitions +// + +/** + Retrieves the Host Controller capabilities. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param MaxSpeed Host controller data transfer speed. + @param PortNumber Number of the root hub ports. + @param Is64BitCapable TRUE if controller supports 64-bit memory addressing, + FALSE otherwise. + + @retval EFI_SUCCESS The host controller capabilities were retrieved successfully. + @retval EFI_INVALID_PARAMETER One of the input args was NULL. + @retval EFI_DEVICE_ERROR An error was encountered while attempting to + retrieve the capabilities. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_GET_CAPABILITY)( + IN EFI_USB2_HC_PROTOCOL *This, + OUT UINT8 *MaxSpeed, + OUT UINT8 *PortNumber, + OUT UINT8 *Is64BitCapable + ); + +#define EFI_USB_HC_RESET_GLOBAL 0x0001 +#define EFI_USB_HC_RESET_HOST_CONTROLLER 0x0002 +#define EFI_USB_HC_RESET_GLOBAL_WITH_DEBUG 0x0004 +#define EFI_USB_HC_RESET_HOST_WITH_DEBUG 0x0008 +/** + Provides software reset for the USB host controller. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param Attributes A bit mask of the reset operation to perform. + + @retval EFI_SUCCESS The reset operation succeeded. + @retval EFI_INVALID_PARAMETER Attributes is not valid. + @retval EFI_UNSUPPORTED The type of reset specified by Attributes is not currently + supported by the host controller hardware. + @retval EFI_ACCESS_DENIED Reset operation is rejected due to the debug port being configured + and active; only EFI_USB_HC_RESET_GLOBAL_WITH_DEBUG or + EFI_USB_HC_RESET_HOST_WITH_DEBUG reset Attributes can be used to + perform reset operation for this host controller. + @retval EFI_DEVICE_ERROR An error was encountered while attempting to + retrieve the capabilities. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_RESET)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT16 Attributes + ); + +/** + Enumration value for status of USB HC. +**/ +typedef enum { + EfiUsbHcStateHalt, ///< The host controller is in halt + ///< state. No USB transactions can occur + ///< while in this state. The host + ///< controller can enter this state for + ///< three reasons: 1) After host + ///< controller hardware reset. 2) + ///< Explicitly set by software. 3) + ///< Triggered by a fatal error such as + ///< consistency check failure. + + EfiUsbHcStateOperational, ///< The host controller is in an + ///< operational state. When in + ///< this state, the host + ///< controller can execute bus + ///< traffic. This state must be + ///< explicitly set to enable the + ///< USB bus traffic. + + EfiUsbHcStateSuspend, ///< The host controller is in the + ///< suspend state. No USB + ///< transactions can occur while in + ///< this state. The host controller + ///< enters this state for the + ///< following reasons: 1) Explicitly + ///< set by software. 2) Triggered + ///< when there is no bus traffic for + ///< 3 microseconds. + + EfiUsbHcStateMaximum ///< Maximum value for enumration value of HC status. +} EFI_USB_HC_STATE; + +/** + Retrieves current state of the USB host controller. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param State A pointer to the EFI_USB_HC_STATE data structure that + indicates current state of the USB host controller. + + @retval EFI_SUCCESS The state information of the host controller was returned in State. + @retval EFI_INVALID_PARAMETER State is NULL. + @retval EFI_DEVICE_ERROR An error was encountered while attempting to retrieve the + host controller's current state. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_GET_STATE)( + IN EFI_USB2_HC_PROTOCOL *This, + OUT EFI_USB_HC_STATE *State +); + +/** + Sets the USB host controller to a specific state. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param State Indicates the state of the host controller that will be set. + + @retval EFI_SUCCESS The USB host controller was successfully placed in the state + specified by State. + @retval EFI_INVALID_PARAMETER State is not valid. + @retval EFI_DEVICE_ERROR Failed to set the state specified by State due to device error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_SET_STATE)( + IN EFI_USB2_HC_PROTOCOL *This, + IN EFI_USB_HC_STATE State + ); + +/** + Submits control transfer to a target USB device. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param DeviceAddress Represents the address of the target device on the USB. + @param DeviceSpeed Indicates device speed. + @param MaximumPacketLength Indicates the maximum packet size that the default control 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. 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 by Data. + On output, indicates the amount of data actually transferred. + @param TimeOut Indicates the maximum time, in milliseconds, which the transfer is + allowed to complete. + @param Translator A pointer to the transaction translator data. + @param TransferResult A pointer to the detailed result information generated by this control + transfer. + + @retval EFI_SUCCESS The control transfer was completed successfully. + @retval EFI_INVALID_PARAMETER Some parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The control transfer could not be completed due to a lack of resources. + @retval EFI_TIMEOUT The control transfer failed due to timeout. + @retval EFI_DEVICE_ERROR The control transfer failed due to host controller or device error. + Caller should check TransferResult for detailed error information. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_CONTROL_TRANSFER)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 DeviceAddress, + IN UINT8 DeviceSpeed, + IN UINTN MaximumPacketLength, + IN EFI_USB_DEVICE_REQUEST *Request, + IN EFI_USB_DATA_DIRECTION TransferDirection, + IN OUT VOID *Data OPTIONAL, + IN OUT UINTN *DataLength OPTIONAL, + IN UINTN TimeOut, + IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator, + OUT UINT32 *TransferResult + ); + +#define EFI_USB_MAX_BULK_BUFFER_NUM 10 + +/** + Submits bulk transfer to a bulk endpoint of a USB device. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param DeviceAddress Represents the address of the target device on the USB. + @param EndPointAddress The combination of an endpoint number and an endpoint direction of the + target USB device. + @param DeviceSpeed Indicates device speed. + @param MaximumPacketLength Indicates the maximum packet size the target endpoint is capable of + sending or receiving. + @param DataBuffersNumber Number of data buffers prepared for the transfer. + @param Data Array of pointers to the buffers of data that will be transmitted to USB + device or received from USB device. + @param DataLength When input, indicates the size, in bytes, of the data buffers specified by + Data. When output, indicates the actually transferred data size. + @param DataToggle A pointer to the data toggle value. + @param TimeOut Indicates the maximum time, in milliseconds, which the transfer is + allowed to complete. + @param Translator A pointer to the transaction translator data. + @param TransferResult A pointer to the detailed result information of the bulk transfer. + + @retval EFI_SUCCESS The bulk transfer was completed successfully. + @retval EFI_INVALID_PARAMETER Some parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The bulk transfer could not be submitted due to a lack of resources. + @retval EFI_TIMEOUT The bulk transfer failed due to timeout. + @retval EFI_DEVICE_ERROR The bulk transfer failed due to host controller or device error. + Caller should check TransferResult for detailed error information. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_BULK_TRANSFER)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 DeviceAddress, + IN UINT8 EndPointAddress, + IN UINT8 DeviceSpeed, + IN UINTN MaximumPacketLength, + IN UINT8 DataBuffersNumber, + 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 *TransferResult + ); + +/** + Submits an asynchronous interrupt transfer to an interrupt endpoint of a USB device. + Translator parameter doesn't exist in UEFI2.0 spec, but it will be updated in the following specification version. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param DeviceAddress Represents the address of the target device on the USB. + @param EndPointAddress The combination of an endpoint number and an endpoint direction of the + target USB device. + @param DeviceSpeed Indicates device speed. + @param MaximumPacketLength Indicates the maximum packet size the target 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 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. + @param PollingInterval Indicates the interval, in milliseconds, that the asynchronous 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 Translator A pointr to the transaction translator data. + @param CallBackFunction The Callback function. This function is called at the rate specified by + PollingInterval. + @param Context The context that is passed to the CallBackFunction. This is an + optional parameter and may be NULL. + + @retval EFI_SUCCESS The asynchronous interrupt transfer request has been successfully + submitted or canceled. + @retval EFI_INVALID_PARAMETER Some parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_ASYNC_INTERRUPT_TRANSFER)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 DeviceAddress, + IN UINT8 EndPointAddress, + IN UINT8 DeviceSpeed, + IN UINTN MaxiumPacketLength, + IN BOOLEAN IsNewTransfer, + IN OUT UINT8 *DataToggle, + IN UINTN PollingInterval OPTIONAL, + IN UINTN DataLength OPTIONAL, + IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator OPTIONAL, + IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction OPTIONAL, + IN VOID *Context OPTIONAL + ); + +/** + Submits synchronous interrupt transfer to an interrupt endpoint of a USB device. + Translator parameter doesn't exist in UEFI2.0 spec, but it will be updated in the following specification version. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param DeviceAddress Represents the address of the target device on the USB. + @param EndPointAddress The combination of an endpoint number and an endpoint direction of the + target USB device. + @param DeviceSpeed Indicates device speed. + @param MaximumPacketLength Indicates the maximum packet size the target endpoint is capable of + sending or receiving. + @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, 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 TimeOut Indicates the maximum time, in milliseconds, which the transfer is + allowed to complete. + @param Translator A pointr to the transaction translator data. + @param TransferResult A pointer to the detailed result information from the synchronous + interrupt transfer. + + @retval EFI_SUCCESS The synchronous interrupt transfer was completed successfully. + @retval EFI_INVALID_PARAMETER Some parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The synchronous interrupt transfer could not be submitted due to a lack of resources. + @retval EFI_TIMEOUT The synchronous interrupt transfer failed due to timeout. + @retval EFI_DEVICE_ERROR The synchronous interrupt transfer failed due to host controller or device error. + Caller should check TransferResult for detailed error information. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_SYNC_INTERRUPT_TRANSFER)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 DeviceAddress, + IN UINT8 EndPointAddress, + IN UINT8 DeviceSpeed, + IN UINTN MaximumPacketLength, + IN OUT VOID *Data, + IN OUT UINTN *DataLength, + IN OUT UINT8 *DataToggle, + IN UINTN TimeOut, + IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator, + OUT UINT32 *TransferResult + ); + +#define EFI_USB_MAX_ISO_BUFFER_NUM 7 +#define EFI_USB_MAX_ISO_BUFFER_NUM1 2 + +/** + Submits isochronous transfer to an isochronous endpoint of a USB device. + + This function is used to submit isochronous transfer to a target endpoint of a USB device. + The target endpoint is specified by DeviceAddressand EndpointAddress. Isochronous transfers are + used when working with isochronous date. It provides periodic, continuous communication between + the host and a device. Isochronous transfers can beused only by full-speed, high-speed, and + super-speed devices. + + High-speed isochronous transfers can be performed using multiple data buffers. The number of + buffers that are actually prepared for the transfer is specified by DataBuffersNumber. For + full-speed isochronous transfers this value is ignored. + + Data represents a list of pointers to the data buffers. For full-speed isochronous transfers + only the data pointed by Data[0]shall be used. For high-speed isochronous transfers and for + the split transactions depending on DataLengththere several data buffers canbe used. For the + high-speed isochronous transfers the total number of buffers must not exceed EFI_USB_MAX_ISO_BUFFER_NUM. + + For split transactions performed on full-speed device by high-speed host controller the total + number of buffers is limited to EFI_USB_MAX_ISO_BUFFER_NUM1. + If the isochronous transfer is successful, then EFI_SUCCESSis returned. The isochronous transfer + is designed to be completed within one USB frame time, if it cannot be completed, EFI_TIMEOUT + is returned. If an error other than timeout occurs during the USB transfer, then EFI_DEVICE_ERROR + is returned and the detailed status code will be returned in TransferResult. + + EFI_INVALID_PARAMETERis returned if one of the following conditionsis satisfied: + - Data is NULL. + - DataLength is 0. + - DeviceSpeed is not one of the supported values listed above. + - MaximumPacketLength is invalid. MaximumPacketLength must be 1023 or less for full-speed devices, + and 1024 or less for high-speed and super-speed devices. + - TransferResult is NULL. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param DeviceAddress Represents the address of the target device on the USB. + @param EndPointAddress The combination of an endpoint number and an endpoint direction of the + target USB device. + @param DeviceSpeed Indicates device speed. The supported values are EFI_USB_SPEED_FULL, + EFI_USB_SPEED_HIGH, or EFI_USB_SPEED_SUPER. + @param MaximumPacketLength Indicates the maximum packet size the target endpoint is capable of + sending or receiving. + @param DataBuffersNumber Number of data buffers prepared for the transfer. + @param Data Array of pointers to the buffers of data that will be transmitted to USB + device or received from USB device. + @param DataLength Specifies the length, in bytes, of the data to be sent to or received from + the USB device. + @param Translator A pointer to the transaction translator data. + @param TransferResult A pointer to the detailed result information of the isochronous transfer. + + @retval EFI_SUCCESS The isochronous transfer was completed successfully. + @retval EFI_INVALID_PARAMETER Some parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The isochronous transfer could not be submitted due to a lack of resources. + @retval EFI_TIMEOUT The isochronous transfer cannot be completed within the one USB frame time. + @retval EFI_DEVICE_ERROR The isochronous transfer failed due to host controller or device error. + Caller should check TransferResult for detailed error information. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_ISOCHRONOUS_TRANSFER)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 DeviceAddress, + IN UINT8 EndPointAddress, + IN UINT8 DeviceSpeed, + IN UINTN MaximumPacketLength, + IN UINT8 DataBuffersNumber, + IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM], + IN UINTN DataLength, + IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator, + OUT UINT32 *TransferResult + ); + +/** + Submits nonblocking isochronous transfer to an isochronous endpoint of a USB device. + + This is an asynchronous type of USB isochronous transfer. If the caller submits a USB + isochronous transfer request through this function, this function will return immediately. + + When the isochronous transfer completes, the IsochronousCallbackfunction will be triggered, + the caller can know the transfer results. If the transfer is successful, the caller can get + the data received or sent in this callback function. + + The target endpoint is specified by DeviceAddressand EndpointAddress. Isochronous transfers + are used when working with isochronous date. It provides periodic, continuous communication + between the host and a device. Isochronous transfers can be used only by full-speed, high-speed, + and super-speed devices. + + High-speed isochronous transfers can be performed using multiple data buffers. The number of + buffers that are actually prepared for the transfer is specified by DataBuffersNumber. For + full-speed isochronous transfers this value is ignored. + + Data represents a list of pointers to the data buffers. For full-speed isochronous transfers + only the data pointed by Data[0] shall be used. For high-speed isochronous transfers and for + the split transactions depending on DataLength there several data buffers can be used. For + the high-speed isochronous transfers the total number of buffers must not exceed EFI_USB_MAX_ISO_BUFFER_NUM. + + For split transactions performed on full-speed device by high-speed host controller the total + number of buffers is limited to EFI_USB_MAX_ISO_BUFFER_NUM1. + + EFI_INVALID_PARAMETER is returned if one of the following conditionsis satisfied: + - Data is NULL. + - DataLength is 0. + - DeviceSpeed is not one of the supported values listed above. + - MaximumPacketLength is invalid. MaximumPacketLength must be 1023 or less for full-speed + devices and 1024 or less for high-speed and super-speed devices. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param DeviceAddress Represents the address of the target device on the USB. + @param EndPointAddress The combination of an endpoint number and an endpoint direction of the + target USB device. + @param DeviceSpeed Indicates device speed. The supported values are EFI_USB_SPEED_FULL, + EFI_USB_SPEED_HIGH, or EFI_USB_SPEED_SUPER. + @param MaximumPacketLength Indicates the maximum packet size the target endpoint is capable of + sending or receiving. + @param DataBuffersNumber Number of data buffers prepared for the transfer. + @param Data Array of pointers to the buffers of data that will be transmitted to USB + device or received from USB device. + @param DataLength Specifies the length, in bytes, of the data to be sent to or received from + the USB device. + @param Translator A pointer to the transaction translator data. + @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. + + @retval EFI_SUCCESS The asynchronous isochronous transfer request has been successfully + submitted or canceled. + @retval EFI_INVALID_PARAMETER Some parameters are invalid. + @retval EFI_OUT_OF_RESOURCES The asynchronous isochronous transfer could not be submitted due to + a lack of resources. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_ASYNC_ISOCHRONOUS_TRANSFER)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 DeviceAddress, + IN UINT8 EndPointAddress, + IN UINT8 DeviceSpeed, + IN UINTN MaximumPacketLength, + IN UINT8 DataBuffersNumber, + 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 IsochronousCallBack, + IN VOID *Context OPTIONAL + ); + +/** + Retrieves the current status of a USB root hub port. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param PortNumber Specifies the root hub port from which the status is to be retrieved. + This value is zero based. + @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 + was returned in PortStatus. + @retval EFI_INVALID_PARAMETER PortNumber is invalid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_GET_ROOTHUB_PORT_STATUS)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 PortNumber, + OUT EFI_USB_PORT_STATUS *PortStatus + ); + +/** + Sets a feature for the specified root hub port. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param PortNumber Specifies the root hub port whose feature is requested to be set. This + value is zero based. + @param PortFeature Indicates the feature selector associated with the feature set request. + + @retval EFI_SUCCESS The feature specified by PortFeature was set for the USB + root hub port specified by PortNumber. + @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid for this function. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_SET_ROOTHUB_PORT_FEATURE)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 PortNumber, + IN EFI_USB_PORT_FEATURE PortFeature + ); + +/** + Clears a feature for the specified root hub port. + + @param This A pointer to the EFI_USB2_HC_PROTOCOL instance. + @param PortNumber Specifies the root hub port whose feature is requested to be cleared. This + value is zero based. + @param PortFeature Indicates the feature selector associated with the feature clear request. + + @retval EFI_SUCCESS The feature specified by PortFeature was cleared for the USB + root hub port specified by PortNumber. + @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid for this function. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_USB2_HC_PROTOCOL_CLEAR_ROOTHUB_PORT_FEATURE)( + IN EFI_USB2_HC_PROTOCOL *This, + IN UINT8 PortNumber, + IN EFI_USB_PORT_FEATURE PortFeature + ); + +/// +/// The EFI_USB2_HC_PROTOCOL provides USB host controller management, basic +/// data transactions over a USB bus, and USB root hub access. A device driver +/// that wishes to manage a USB bus in a system retrieves the EFI_USB2_HC_PROTOCOL +/// instance that is associated with the USB bus to be managed. A device handle +/// for a USB host controller will minimally contain an EFI_DEVICE_PATH_PROTOCOL +/// instance, and an EFI_USB2_HC_PROTOCOL instance. +/// +struct _EFI_USB2_HC_PROTOCOL { + EFI_USB2_HC_PROTOCOL_GET_CAPABILITY GetCapability; + EFI_USB2_HC_PROTOCOL_RESET Reset; + EFI_USB2_HC_PROTOCOL_GET_STATE GetState; + EFI_USB2_HC_PROTOCOL_SET_STATE SetState; + EFI_USB2_HC_PROTOCOL_CONTROL_TRANSFER ControlTransfer; + EFI_USB2_HC_PROTOCOL_BULK_TRANSFER BulkTransfer; + EFI_USB2_HC_PROTOCOL_ASYNC_INTERRUPT_TRANSFER AsyncInterruptTransfer; + EFI_USB2_HC_PROTOCOL_SYNC_INTERRUPT_TRANSFER SyncInterruptTransfer; + EFI_USB2_HC_PROTOCOL_ISOCHRONOUS_TRANSFER IsochronousTransfer; + EFI_USB2_HC_PROTOCOL_ASYNC_ISOCHRONOUS_TRANSFER AsyncIsochronousTransfer; + EFI_USB2_HC_PROTOCOL_GET_ROOTHUB_PORT_STATUS GetRootHubPortStatus; + EFI_USB2_HC_PROTOCOL_SET_ROOTHUB_PORT_FEATURE SetRootHubPortFeature; + EFI_USB2_HC_PROTOCOL_CLEAR_ROOTHUB_PORT_FEATURE ClearRootHubPortFeature; + + /// + /// The major 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. + /// + UINT16 MajorRevision; + + /// + /// 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. + /// + UINT16 MinorRevision; +}; + +extern EFI_GUID gEfiUsb2HcProtocolGuid; + +#endif |