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483 lines
16 KiB
C
483 lines
16 KiB
C
/** @file
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The library provides USB HID Class standard and specific requests defined
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in USB HID Firmware Specification 7 section : Requests.
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Copyright (c) 2004 - 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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#include "UefiUsbLibInternal.h"
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//
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// Hid RequestType Bits specifying characteristics of request.
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// Valid values are 10100001b (0xa1) or 00100001b (0x21).
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// The following description:
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// 7 Data transfer direction
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// 0 = Host to device
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// 1 = Device to host
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// 6..5 Type
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// 1 = Class
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// 4..0 Recipient
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// 1 = Interface
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//
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/**
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Get the descriptor of the specified USB HID interface.
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Submit a USB get HID descriptor request for the USB device specified by UsbIo
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and Interface and return the HID descriptor in HidDescriptor.
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If UsbIo is NULL, then ASSERT().
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If HidDescriptor is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the HID interface on the USB target.
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@param HidDescriptor The pointer to the USB HID descriptor that was retrieved from
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the specified USB target and interface. Type EFI_USB_HID_DESCRIPTOR
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is defined in the MDE Package Industry Standard include file Usb.h.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetHidDescriptor (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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OUT EFI_USB_HID_DESCRIPTOR *HidDescriptor
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT(UsbIo != NULL);
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ASSERT(HidDescriptor != NULL);
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Request.RequestType = USB_HID_GET_DESCRIPTOR_REQ_TYPE;
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Request.Request = USB_REQ_GET_DESCRIPTOR;
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Request.Value = (UINT16) (USB_DESC_TYPE_HID << 8);
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Request.Index = Interface;
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Request.Length = (UINT16) sizeof (EFI_USB_HID_DESCRIPTOR);
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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HidDescriptor,
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sizeof (EFI_USB_HID_DESCRIPTOR),
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&Status
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);
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return Result;
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}
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/**
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Get the report descriptor of the specified USB HID interface.
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Submit a USB get HID report descriptor request for the USB device specified by
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UsbIo and Interface and return the report descriptor in DescriptorBuffer.
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If UsbIo is NULL, then ASSERT().
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If DescriptorBuffer is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param DescriptorLength The size, in bytes, of DescriptorBuffer.
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@param DescriptorBuffer A pointer to the buffer to store the report class descriptor.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed because the
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buffer specified by DescriptorLength and DescriptorBuffer
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is not large enough to hold the result of the request.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetReportDescriptor (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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IN UINT16 DescriptorLength,
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OUT UINT8 *DescriptorBuffer
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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ASSERT (DescriptorBuffer != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_GET_DESCRIPTOR_REQ_TYPE;
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Request.Request = USB_REQ_GET_DESCRIPTOR;
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Request.Value = (UINT16) (USB_DESC_TYPE_REPORT << 8);
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Request.Index = Interface;
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Request.Length = DescriptorLength;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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DescriptorBuffer,
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DescriptorLength,
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&Status
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);
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return Result;
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}
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/**
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Get the HID protocol of the specified USB HID interface.
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Submit a USB get HID protocol request for the USB device specified by UsbIo
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and Interface and return the protocol retrieved in Protocol.
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If UsbIo is NULL, then ASSERT().
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If Protocol is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param Protocol A pointer to the protocol for the specified USB target.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetProtocolRequest (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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OUT UINT8 *Protocol
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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ASSERT (Protocol != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_CLASS_GET_REQ_TYPE;
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Request.Request = EFI_USB_GET_PROTOCOL_REQUEST;
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Request.Value = 0;
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Request.Index = Interface;
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Request.Length = 1;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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Protocol,
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sizeof (UINT8),
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&Status
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);
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return Result;
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}
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/**
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Set the HID protocol of the specified USB HID interface.
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Submit a USB set HID protocol request for the USB device specified by UsbIo
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and Interface and set the protocol to the value specified by Protocol.
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If UsbIo is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param Protocol The protocol value to set for the specified USB target.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetProtocolRequest (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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IN UINT8 Protocol
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_CLASS_SET_REQ_TYPE;
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Request.Request = EFI_USB_SET_PROTOCOL_REQUEST;
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Request.Value = Protocol;
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Request.Index = Interface;
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Request.Length = 0;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0,
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&Status
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);
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return Result;
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}
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/**
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Set the idle rate of the specified USB HID report.
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Submit a USB set HID report idle request for the USB device specified by UsbIo,
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Interface, and ReportId, and set the idle rate to the value specified by Duration.
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If UsbIo is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param ReportId The identifier of the report to retrieve.
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@param Duration The idle rate to set for the specified USB target.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetIdleRequest (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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IN UINT8 ReportId,
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IN UINT8 Duration
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_CLASS_SET_REQ_TYPE;
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Request.Request = EFI_USB_SET_IDLE_REQUEST;
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Request.Value = (UINT16) ((Duration << 8) | ReportId);
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Request.Index = Interface;
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Request.Length = 0;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0,
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&Status
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);
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return Result;
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}
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/**
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Get the idle rate of the specified USB HID report.
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Submit a USB get HID report idle request for the USB device specified by UsbIo,
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Interface, and ReportId, and return the ide rate in Duration.
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If UsbIo is NULL, then ASSERT().
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If Duration is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param ReportId The identifier of the report to retrieve.
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@param Duration A pointer to the idle rate retrieved from the specified USB target.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetIdleRequest (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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IN UINT8 ReportId,
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OUT UINT8 *Duration
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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ASSERT (Duration != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_CLASS_GET_REQ_TYPE;
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Request.Request = EFI_USB_GET_IDLE_REQUEST;
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Request.Value = ReportId;
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Request.Index = Interface;
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Request.Length = 1;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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Duration,
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1,
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&Status
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);
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return Result;
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}
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/**
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Set the report descriptor of the specified USB HID interface.
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Submit a USB set HID report request for the USB device specified by UsbIo,
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Interface, ReportId, and ReportType, and set the report descriptor using the
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buffer specified by ReportLength and Report.
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If UsbIo is NULL, then ASSERT().
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If Report is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param ReportId The identifier of the report to retrieve.
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@param ReportType The type of report to retrieve.
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@param ReportLength The size, in bytes, of Report.
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@param Report A pointer to the report descriptor buffer to set.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetReportRequest (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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IN UINT8 ReportId,
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IN UINT8 ReportType,
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IN UINT16 ReportLen,
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IN UINT8 *Report
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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ASSERT (Report != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_CLASS_SET_REQ_TYPE;
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Request.Request = EFI_USB_SET_REPORT_REQUEST;
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Request.Value = (UINT16) ((ReportType << 8) | ReportId);
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Request.Index = Interface;
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Request.Length = ReportLen;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbDataOut,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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Report,
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ReportLen,
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&Status
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);
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return Result;
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}
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/**
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Get the report descriptor of the specified USB HID interface.
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Submit a USB get HID report request for the USB device specified by UsbIo,
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Interface, ReportId, and ReportType, and return the report in the buffer
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specified by Report.
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If UsbIo is NULL, then ASSERT().
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If Report is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The index of the report interface on the USB target.
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@param ReportId The identifier of the report to retrieve.
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@param ReportType The type of report to retrieve.
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@param ReportLength The size, in bytes, of Report.
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@param Report A pointer to the buffer to store the report descriptor.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed because the
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buffer specified by ReportLength and Report is not
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large enough to hold the result of the request.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetReportRequest (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT8 Interface,
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IN UINT8 ReportId,
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IN UINT8 ReportType,
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IN UINT16 ReportLen,
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OUT UINT8 *Report
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)
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{
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UINT32 Status;
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EFI_STATUS Result;
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EFI_USB_DEVICE_REQUEST Request;
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ASSERT (UsbIo != NULL);
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ASSERT (Report != NULL);
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//
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// Fill Device request packet
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//
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Request.RequestType = USB_HID_CLASS_GET_REQ_TYPE;
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Request.Request = EFI_USB_GET_REPORT_REQUEST;
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Request.Value = (UINT16) ((ReportType << 8) | ReportId);
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Request.Index = Interface;
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Request.Length = ReportLen;
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Result = UsbIo->UsbControlTransfer (
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UsbIo,
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&Request,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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Report,
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ReportLen,
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&Status
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);
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return Result;
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}
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