mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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482 lines
18 KiB
C
482 lines
18 KiB
C
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/** @file
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Helper routine and corresponding data struct used by USB Mouse Driver.
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Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _EFI_USB_MOUSE_H_
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#define _EFI_USB_MOUSE_H_
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#include <Uefi.h>
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#include <Protocol/SimplePointer.h>
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#include <Protocol/UsbIo.h>
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#include <Protocol/DevicePath.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiUsbLib.h>
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#include <Library/DebugLib.h>
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#include <IndustryStandard/Usb.h>
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#define CLASS_HID 3
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#define SUBCLASS_BOOT 1
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#define PROTOCOL_MOUSE 2
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#define BOOT_PROTOCOL 0
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#define REPORT_PROTOCOL 1
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#define USB_MOUSE_DEV_SIGNATURE SIGNATURE_32 ('u', 'm', 'o', 'u')
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/*
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typedef struct {
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UINT8 Length;
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UINT8 DescriptorType;
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UINT8 EndpointAddress;
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UINT8 Attributes;
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UINT16 MaxPacketSize;
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UINT8 Interval;
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} USB_ENDPOINT_DESCRIPTOR;
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*/
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//
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// A common header for usb standard descriptor.
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// Each stand descriptor has a length and type.
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//
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#pragma pack(1)
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typedef struct {
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UINT8 Len;
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UINT8 Type;
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} USB_DESC_HEAD;
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#pragma pack()
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///
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/// Button range and status
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///
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typedef struct {
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BOOLEAN ButtonDetected;
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UINT8 ButtonMinIndex;
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UINT8 ButtonMaxIndex;
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UINT8 Reserved;
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} USB_MOUSE_BUTTON_DATA;
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///
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/// Device instance of USB mouse.
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///
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typedef struct {
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UINTN Signature;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_EVENT DelayedRecoveryEvent;
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EFI_USB_IO_PROTOCOL *UsbIo;
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EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
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EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
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UINT8 NumberOfButtons;
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INT32 XLogicMax;
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INT32 XLogicMin;
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INT32 YLogicMax;
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INT32 YLogicMin;
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EFI_SIMPLE_POINTER_PROTOCOL SimplePointerProtocol;
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EFI_SIMPLE_POINTER_STATE State;
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EFI_SIMPLE_POINTER_MODE Mode;
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BOOLEAN StateChanged;
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USB_MOUSE_BUTTON_DATA PrivateData;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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} USB_MOUSE_DEV;
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///
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/// General HID Item structure
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///
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typedef union {
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UINT8 Uint8;
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UINT16 Uint16;
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UINT32 Uint32;
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INT8 Int8;
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INT16 Int16;
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INT32 Int32;
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UINT8 *LongData;
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} HID_DATA;
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typedef struct {
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UINT16 Format;
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UINT8 Size;
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UINT8 Type;
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UINT8 Tag;
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HID_DATA Data;
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} HID_ITEM;
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#define USB_MOUSE_DEV_FROM_MOUSE_PROTOCOL(a) \
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CR(a, USB_MOUSE_DEV, SimplePointerProtocol, USB_MOUSE_DEV_SIGNATURE)
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gUsbMouseDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gUsbMouseComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMouseComponentName2;
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//
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// Functions of Driver Binding Protocol
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//
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/**
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Check whether USB mouse driver supports this device.
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@param This The USB mouse driver binding protocol.
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@param Controller The controller handle to check.
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@param RemainingDevicePath The remaining device path.
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@retval EFI_SUCCESS The driver supports this controller.
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@retval other This device isn't supported.
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**/
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EFI_STATUS
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EFIAPI
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USBMouseDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Starts the mouse device with this driver.
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This function consumes USB I/O Portocol, intializes USB mouse device,
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installs Simple Pointer Protocol, and submits Asynchronous Interrupt
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Transfer to manage the USB mouse device.
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@param This The USB mouse driver binding instance.
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@param Controller Handle of device to bind driver to.
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device.
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@retval EFI_UNSUPPORTED This driver does not support this device.
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@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
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@retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.
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@retval EFI_ALREADY_STARTED This driver has been started.
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**/
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EFI_STATUS
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EFIAPI
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USBMouseDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop the USB mouse device handled by this driver.
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@param This The USB mouse driver binding protocol.
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@param Controller The controller to release.
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@param NumberOfChildren The number of handles in ChildHandleBuffer.
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@param ChildHandleBuffer The array of child handle.
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@retval EFI_SUCCESS The device was stopped.
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@retval EFI_UNSUPPORTED Simple Pointer Protocol is not installed on Controller.
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@retval Others Fail to uninstall protocols attached on the device.
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**/
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EFI_STATUS
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EFIAPI
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USBMouseDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// EFI Component Name Functions
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//
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param DriverName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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UsbMouseComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param ControllerName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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UsbMouseComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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//
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// Functions of EFI_SIMPLE_POINTER_PROTOCOL
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//
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/**
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Retrieves the current state of a pointer device.
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@param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance.
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@param MouseState A pointer to the state information on the pointer device.
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@retval EFI_SUCCESS The state of the pointer device was returned in State.
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@retval EFI_NOT_READY The state of the pointer device has not changed since the last call to
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GetState().
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's
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current state.
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@retval EFI_INVALID_PARAMETER MouseState is NULL.
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**/
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EFI_STATUS
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EFIAPI
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GetMouseState (
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IN EFI_SIMPLE_POINTER_PROTOCOL *This,
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OUT EFI_SIMPLE_POINTER_STATE *MouseState
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);
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/**
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Resets the pointer device hardware.
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@param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance.
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@param ExtendedVerification Indicates that the driver may perform a more exhaustive
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verification operation of the device during reset.
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@retval EFI_SUCCESS The device was reset.
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@retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.
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**/
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EFI_STATUS
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EFIAPI
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UsbMouseReset (
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IN EFI_SIMPLE_POINTER_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Event notification function for SIMPLE_POINTER.WaitForInput event.
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@param Event Event to be signaled when there's input from mouse.
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@param Context Points to USB_MOUSE_DEV instance.
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**/
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VOID
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EFIAPI
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UsbMouseWaitForInput (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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//
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// Internal worker functions
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//
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/**
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Uses USB I/O to check whether the device is a USB mouse device.
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@param UsbIo Pointer to a USB I/O protocol instance.
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@retval TRUE Device is a USB mouse device.
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||
|
|
@retval FALSE Device is a not USB mouse device.
|
||
|
|
|
||
|
|
**/
|
||
|
|
BOOLEAN
|
||
|
|
IsUsbMouse (
|
||
|
|
IN EFI_USB_IO_PROTOCOL *UsbIo
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Initialize the USB mouse device.
|
||
|
|
|
||
|
|
This function retrieves and parses HID report descriptor, and
|
||
|
|
initializes state of USB_MOUSE_DEV. Then it sets indefinite idle
|
||
|
|
rate for the device. Finally it creates event for delayed recovery,
|
||
|
|
which deals with device error.
|
||
|
|
|
||
|
|
@param UsbMouseDev Device instance to be initialized.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS USB mouse device successfully initialized..
|
||
|
|
@retval EFI_UNSUPPORTED HID descriptor type is not report descriptor.
|
||
|
|
@retval Other USB mouse device was not initialized successfully.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
InitializeUsbMouseDevice (
|
||
|
|
IN OUT USB_MOUSE_DEV *UsbMouseDev
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Handler function for USB mouse's asynchronous interrupt transfer.
|
||
|
|
|
||
|
|
This function is the handler function for USB mouse's asynchronous interrupt transfer
|
||
|
|
to manage the mouse. It parses data returned from asynchronous interrupt transfer, and
|
||
|
|
get button and movement state.
|
||
|
|
|
||
|
|
@param Data A pointer to a buffer that is filled with key data which is
|
||
|
|
retrieved via asynchronous interrupt transfer.
|
||
|
|
@param DataLength Indicates the size of the data buffer.
|
||
|
|
@param Context Pointing to USB_KB_DEV instance.
|
||
|
|
@param Result Indicates the result of the asynchronous interrupt transfer.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS Asynchronous interrupt transfer is handled successfully.
|
||
|
|
@retval EFI_DEVICE_ERROR Hardware error occurs.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
EFIAPI
|
||
|
|
OnMouseInterruptComplete (
|
||
|
|
IN VOID *Data,
|
||
|
|
IN UINTN DataLength,
|
||
|
|
IN VOID *Context,
|
||
|
|
IN UINT32 Result
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Handler for Delayed Recovery event.
|
||
|
|
|
||
|
|
This function is the handler for Delayed Recovery event triggered
|
||
|
|
by timer.
|
||
|
|
After a device error occurs, the event would be triggered
|
||
|
|
with interval of EFI_USB_INTERRUPT_DELAY. EFI_USB_INTERRUPT_DELAY
|
||
|
|
is defined in USB standard for error handling.
|
||
|
|
|
||
|
|
@param Event The Delayed Recovery event.
|
||
|
|
@param Context Points to the USB_MOUSE_DEV instance.
|
||
|
|
|
||
|
|
**/
|
||
|
|
VOID
|
||
|
|
EFIAPI
|
||
|
|
USBMouseRecoveryHandler (
|
||
|
|
IN EFI_EVENT Event,
|
||
|
|
IN VOID *Context
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
Parse Mouse Report Descriptor.
|
||
|
|
|
||
|
|
According to USB HID Specification, report descriptors are
|
||
|
|
composed of pieces of information. Each piece of information
|
||
|
|
is called an Item. This function retrieves each item from
|
||
|
|
the report descriptor and updates USB_MOUSE_DEV.
|
||
|
|
|
||
|
|
@param UsbMouse The instance of USB_MOUSE_DEV
|
||
|
|
@param ReportDescriptor Report descriptor to parse
|
||
|
|
@param ReportSize Report descriptor size
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS Report descriptor successfully parsed.
|
||
|
|
@retval EFI_UNSUPPORTED Report descriptor contains long item.
|
||
|
|
|
||
|
|
**/
|
||
|
|
EFI_STATUS
|
||
|
|
ParseMouseReportDescriptor (
|
||
|
|
OUT USB_MOUSE_DEV *UsbMouse,
|
||
|
|
IN UINT8 *ReportDescriptor,
|
||
|
|
IN UINTN ReportSize
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif
|