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394 lines
14 KiB
C
394 lines
14 KiB
C
/** @file
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PS/2 Mouse driver header file.
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Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PS2MOUSE_H_
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#define _PS2MOUSE_H_
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#include <Uefi.h>
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#include <Protocol/SimplePointer.h>
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#include <Protocol/SuperIo.h>
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#include <Protocol/DevicePath.h>
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#include <Library/DevicePathLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/ReportStatusCodeLib.h>
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#include <Library/PcdLib.h>
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#include <Library/IoLib.h>
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gPS2MouseDriver;
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extern EFI_COMPONENT_NAME_PROTOCOL gPs2MouseComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gPs2MouseComponentName2;
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//
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// PS/2 mouse sample rate
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//
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typedef enum {
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SampleRate10,
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SampleRate20,
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SampleRate40,
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SampleRate60,
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SampleRate80,
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SampleRate100,
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SampleRate200,
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MaxSampleRate
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} MOUSE_SR;
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//
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// PS/2 mouse resolution
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//
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typedef enum {
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MouseResolution1,
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MouseResolution2,
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MouseResolution4,
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MouseResolution8,
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MaxResolution
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} MOUSE_RE;
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//
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// PS/2 mouse scaling
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//
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typedef enum {
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Scaling1,
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Scaling2
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} MOUSE_SF;
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//
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// Driver Private Data
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//
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#define PS2_MOUSE_DEV_SIGNATURE SIGNATURE_32 ('p', 's', '2', 'm')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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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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//
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// PS2 Mouse device specific information
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//
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MOUSE_SR SampleRate;
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MOUSE_RE Resolution;
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MOUSE_SF Scaling;
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UINT8 DataPackageSize;
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EFI_EVENT TimerEvent;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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} PS2_MOUSE_DEV;
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#define PS2_MOUSE_DEV_FROM_THIS(a) CR (a, PS2_MOUSE_DEV, SimplePointerProtocol, PS2_MOUSE_DEV_SIGNATURE)
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//
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// Function prototypes
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//
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/**
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Test to see if this driver supports ControllerHandle. Any ControllerHandle
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than contains a IsaIo protocol can be supported.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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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_ALREADY_STARTED This driver is already running on this device
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PS2MouseDriverSupported (
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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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Start this driver on ControllerHandle by opening a IsaIo
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protocol, creating PS2_MOUSE_ABSOLUTE_POINTER_DEV device and install gEfiAbsolutePointerProtocolGuid
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finnally.
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@param This Protocol instance pointer.
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@param ControllerHandle 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 is added to ControllerHandle
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PS2MouseDriverStart (
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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 this driver on ControllerHandle. Support stopping any child handles
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created by this driver.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed ControllerHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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PS2MouseDriverStop (
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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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language[in] 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[out] 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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Ps2MouseComponentNameGetDriverName (
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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[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle[in] 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[in] 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[in] 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[out] 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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Ps2MouseComponentNameGetControllerName (
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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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Reset the Mouse and do BAT test for it, if ExtendedVerification is TRUE and
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there is a mouse device connected to system.
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@param This - Pointer of simple pointer Protocol.
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@param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
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@retval EFI_SUCCESS - The command byte is written successfully.
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@retval EFI_DEVICE_ERROR - Errors occurred during resetting keyboard.
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**/
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EFI_STATUS
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EFIAPI
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MouseReset (
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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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Get and Clear mouse status.
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@param This - Pointer of simple pointer Protocol.
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@param State - Output buffer holding status.
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@retval EFI_INVALID_PARAMETER Output buffer is invalid.
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@retval EFI_NOT_READY Mouse is not changed status yet.
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@retval EFI_SUCCESS Mouse status is changed and get successful.
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**/
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EFI_STATUS
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EFIAPI
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MouseGetState (
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IN EFI_SIMPLE_POINTER_PROTOCOL *This,
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IN OUT EFI_SIMPLE_POINTER_STATE *State
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);
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/**
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Event notification function for SIMPLE_POINTER.WaitForInput event.
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Signal the event if there is input from mouse.
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@param Event event object
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@param Context event context
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**/
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VOID
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EFIAPI
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MouseWaitForInput (
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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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Event notification function for TimerEvent event.
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If mouse device is connected to system, try to get the mouse packet data.
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@param Event - TimerEvent in PS2_MOUSE_DEV
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@param Context - Pointer to PS2_MOUSE_DEV structure
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**/
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VOID
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EFIAPI
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PollMouse (
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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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I/O work flow of in 8042 data.
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@param Data Data value
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@retval EFI_SUCCESS Success to execute I/O work flow
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@retval EFI_TIMEOUT Keyboard controller time out.
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**/
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EFI_STATUS
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In8042Data (
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IN OUT UINT8 *Data
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);
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/**
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Check whether there is Ps/2 mouse device in system
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@param MouseDev - Mouse Private Data Structure
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@retval TRUE - Keyboard in System.
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@retval FALSE - Keyboard not in System.
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**/
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BOOLEAN
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CheckMouseConnect (
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IN PS2_MOUSE_DEV *MouseDev
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);
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#endif
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