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/** @file
PS/2 Mouse driver header file.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _PS2MOUSE_H_
#define _PS2MOUSE_H_
#include <Uefi.h>
#include <Protocol/SimplePointer.h>
#include <Protocol/SuperIo.h>
#include <Protocol/DevicePath.h>
#include <Library/DevicePathLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/PcdLib.h>
#include <Library/IoLib.h>
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gPS2MouseDriver;
extern EFI_COMPONENT_NAME_PROTOCOL gPs2MouseComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gPs2MouseComponentName2;
//
// PS/2 mouse sample rate
//
typedef enum {
SampleRate10,
SampleRate20,
SampleRate40,
SampleRate60,
SampleRate80,
SampleRate100,
SampleRate200,
MaxSampleRate
} MOUSE_SR;
//
// PS/2 mouse resolution
//
typedef enum {
MouseResolution1,
MouseResolution2,
MouseResolution4,
MouseResolution8,
MaxResolution
} MOUSE_RE;
//
// PS/2 mouse scaling
//
typedef enum {
Scaling1,
Scaling2
} MOUSE_SF;
//
// Driver Private Data
//
#define PS2_MOUSE_DEV_SIGNATURE SIGNATURE_32 ('p', 's', '2', 'm')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_SIMPLE_POINTER_PROTOCOL SimplePointerProtocol;
EFI_SIMPLE_POINTER_STATE State;
EFI_SIMPLE_POINTER_MODE Mode;
BOOLEAN StateChanged;
//
// PS2 Mouse device specific information
//
MOUSE_SR SampleRate;
MOUSE_RE Resolution;
MOUSE_SF Scaling;
UINT8 DataPackageSize;
EFI_EVENT TimerEvent;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
} PS2_MOUSE_DEV;
#define PS2_MOUSE_DEV_FROM_THIS(a) CR (a, PS2_MOUSE_DEV, SimplePointerProtocol, PS2_MOUSE_DEV_SIGNATURE)
//
// Function prototypes
//
/**
Test to see if this driver supports ControllerHandle. Any ControllerHandle
than contains a IsaIo protocol can be supported.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_ALREADY_STARTED This driver is already running on this device
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
PS2MouseDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Start this driver on ControllerHandle by opening a IsaIo
protocol, creating PS2_MOUSE_ABSOLUTE_POINTER_DEV device and install gEfiAbsolutePointerProtocolGuid
finally.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
PS2MouseDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop this driver on ControllerHandle. Support stopping any child handles
created by this driver.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
EFI_STATUS
EFIAPI
PS2MouseDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Ps2MouseComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Ps2MouseComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
/**
Reset the Mouse and do BAT test for it, if ExtendedVerification is TRUE and
there is a mouse device connected to system.
@param This - Pointer of simple pointer Protocol.
@param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
@retval EFI_SUCCESS - The command byte is written successfully.
@retval EFI_DEVICE_ERROR - Errors occurred during resetting keyboard.
**/
EFI_STATUS
EFIAPI
MouseReset (
IN EFI_SIMPLE_POINTER_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Get and Clear mouse status.
@param This - Pointer of simple pointer Protocol.
@param State - Output buffer holding status.
@retval EFI_INVALID_PARAMETER Output buffer is invalid.
@retval EFI_NOT_READY Mouse is not changed status yet.
@retval EFI_SUCCESS Mouse status is changed and get successful.
**/
EFI_STATUS
EFIAPI
MouseGetState (
IN EFI_SIMPLE_POINTER_PROTOCOL *This,
IN OUT EFI_SIMPLE_POINTER_STATE *State
);
/**
Event notification function for SIMPLE_POINTER.WaitForInput event.
Signal the event if there is input from mouse.
@param Event event object
@param Context event context
**/
VOID
EFIAPI
MouseWaitForInput (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Event notification function for TimerEvent event.
If mouse device is connected to system, try to get the mouse packet data.
@param Event - TimerEvent in PS2_MOUSE_DEV
@param Context - Pointer to PS2_MOUSE_DEV structure
**/
VOID
EFIAPI
PollMouse (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
I/O work flow of in 8042 data.
@param Data Data value
@retval EFI_SUCCESS Success to execute I/O work flow
@retval EFI_TIMEOUT Keyboard controller time out.
**/
EFI_STATUS
In8042Data (
IN OUT UINT8 *Data
);
/**
Check whether there is Ps/2 mouse device in system
@param MouseDev - Mouse Private Data Structure
@retval TRUE - Keyboard in System.
@retval FALSE - Keyboard not in System.
**/
BOOLEAN
CheckMouseConnect (
IN PS2_MOUSE_DEV *MouseDev
);
#endif
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