mirror of https://github.com/acidanthera/audk.git
472 lines
18 KiB
C
472 lines
18 KiB
C
/** @file
|
|
Helper routine and corresponding data struct used by USB Mouse Driver.
|
|
|
|
Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _EFI_USB_MOUSE_H_
|
|
#define _EFI_USB_MOUSE_H_
|
|
|
|
|
|
#include <Uefi.h>
|
|
|
|
#include <Protocol/SimplePointer.h>
|
|
#include <Protocol/UsbIo.h>
|
|
#include <Protocol/DevicePath.h>
|
|
|
|
#include <Library/ReportStatusCodeLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/UefiLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/UefiUsbLib.h>
|
|
#include <Library/DebugLib.h>
|
|
|
|
#include <IndustryStandard/Usb.h>
|
|
|
|
#define CLASS_HID 3
|
|
#define SUBCLASS_BOOT 1
|
|
#define PROTOCOL_MOUSE 2
|
|
|
|
#define BOOT_PROTOCOL 0
|
|
#define REPORT_PROTOCOL 1
|
|
|
|
#define USB_MOUSE_DEV_SIGNATURE SIGNATURE_32 ('u', 'm', 'o', 'u')
|
|
|
|
//
|
|
// A common header for usb standard descriptor.
|
|
// Each stand descriptor has a length and type.
|
|
//
|
|
#pragma pack(1)
|
|
typedef struct {
|
|
UINT8 Len;
|
|
UINT8 Type;
|
|
} USB_DESC_HEAD;
|
|
#pragma pack()
|
|
|
|
///
|
|
/// Button range and status
|
|
///
|
|
typedef struct {
|
|
BOOLEAN ButtonDetected;
|
|
UINT8 ButtonMinIndex;
|
|
UINT8 ButtonMaxIndex;
|
|
UINT8 Reserved;
|
|
} USB_MOUSE_BUTTON_DATA;
|
|
|
|
///
|
|
/// Device instance of USB mouse.
|
|
///
|
|
typedef struct {
|
|
UINTN Signature;
|
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
|
EFI_EVENT DelayedRecoveryEvent;
|
|
EFI_USB_IO_PROTOCOL *UsbIo;
|
|
EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
|
|
EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
|
|
UINT8 NumberOfButtons;
|
|
INT32 XLogicMax;
|
|
INT32 XLogicMin;
|
|
INT32 YLogicMax;
|
|
INT32 YLogicMin;
|
|
EFI_SIMPLE_POINTER_PROTOCOL SimplePointerProtocol;
|
|
EFI_SIMPLE_POINTER_STATE State;
|
|
EFI_SIMPLE_POINTER_MODE Mode;
|
|
BOOLEAN StateChanged;
|
|
USB_MOUSE_BUTTON_DATA PrivateData;
|
|
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
|
|
} USB_MOUSE_DEV;
|
|
|
|
///
|
|
/// General HID Item structure
|
|
///
|
|
|
|
typedef union {
|
|
UINT8 Uint8;
|
|
UINT16 Uint16;
|
|
UINT32 Uint32;
|
|
INT8 Int8;
|
|
INT16 Int16;
|
|
INT32 Int32;
|
|
UINT8 *LongData;
|
|
} HID_DATA;
|
|
|
|
typedef struct {
|
|
UINT16 Format;
|
|
UINT8 Size;
|
|
UINT8 Type;
|
|
UINT8 Tag;
|
|
HID_DATA Data;
|
|
} HID_ITEM;
|
|
|
|
#define USB_MOUSE_DEV_FROM_MOUSE_PROTOCOL(a) \
|
|
CR(a, USB_MOUSE_DEV, SimplePointerProtocol, USB_MOUSE_DEV_SIGNATURE)
|
|
|
|
//
|
|
// Global Variables
|
|
//
|
|
extern EFI_DRIVER_BINDING_PROTOCOL gUsbMouseDriverBinding;
|
|
extern EFI_COMPONENT_NAME_PROTOCOL gUsbMouseComponentName;
|
|
extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMouseComponentName2;
|
|
|
|
//
|
|
// Functions of Driver Binding Protocol
|
|
//
|
|
|
|
/**
|
|
Check whether USB mouse driver supports this device.
|
|
|
|
@param This The USB mouse driver binding protocol.
|
|
@param Controller The controller handle to check.
|
|
@param RemainingDevicePath The remaining device path.
|
|
|
|
@retval EFI_SUCCESS The driver supports this controller.
|
|
@retval other This device isn't supported.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBMouseDriverBindingSupported (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Starts the mouse device with this driver.
|
|
|
|
This function consumes USB I/O Portocol, intializes USB mouse device,
|
|
installs Simple Pointer Protocol, and submits Asynchronous Interrupt
|
|
Transfer to manage the USB mouse device.
|
|
|
|
@param This The USB mouse driver binding instance.
|
|
@param Controller 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 supports this device.
|
|
@retval EFI_UNSUPPORTED This driver does not support this device.
|
|
@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
|
|
@retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.
|
|
@retval EFI_ALREADY_STARTED This driver has been started.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBMouseDriverBindingStart (
|
|
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
|
|
);
|
|
|
|
/**
|
|
Stop the USB mouse device handled by this driver.
|
|
|
|
@param This The USB mouse driver binding protocol.
|
|
@param Controller The controller to release.
|
|
@param NumberOfChildren The number of handles in ChildHandleBuffer.
|
|
@param ChildHandleBuffer The array of child handle.
|
|
|
|
@retval EFI_SUCCESS The device was stopped.
|
|
@retval EFI_UNSUPPORTED Simple Pointer Protocol is not installed on Controller.
|
|
@retval Others Fail to uninstall protocols attached on the device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
USBMouseDriverBindingStop (
|
|
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 A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
@param Language 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 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
|
|
UsbMouseComponentNameGetDriverName (
|
|
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 A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
|
|
EFI_COMPONENT_NAME_PROTOCOL instance.
|
|
@param ControllerHandle 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 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 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 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
|
|
UsbMouseComponentNameGetControllerName (
|
|
IN EFI_COMPONENT_NAME_PROTOCOL *This,
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_HANDLE ChildHandle OPTIONAL,
|
|
IN CHAR8 *Language,
|
|
OUT CHAR16 **ControllerName
|
|
);
|
|
|
|
//
|
|
// Functions of EFI_SIMPLE_POINTER_PROTOCOL
|
|
//
|
|
|
|
/**
|
|
Retrieves the current state of a pointer device.
|
|
|
|
@param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance.
|
|
@param MouseState A pointer to the state information on the pointer device.
|
|
|
|
@retval EFI_SUCCESS The state of the pointer device was returned in State.
|
|
@retval EFI_NOT_READY The state of the pointer device has not changed since the last call to
|
|
GetState().
|
|
@retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's
|
|
current state.
|
|
@retval EFI_INVALID_PARAMETER MouseState is NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
GetMouseState (
|
|
IN EFI_SIMPLE_POINTER_PROTOCOL *This,
|
|
OUT EFI_SIMPLE_POINTER_STATE *MouseState
|
|
);
|
|
|
|
/**
|
|
Resets the pointer device hardware.
|
|
|
|
@param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance.
|
|
@param ExtendedVerification Indicates that the driver may perform a more exhaustive
|
|
verification operation of the device during reset.
|
|
|
|
@retval EFI_SUCCESS The device was reset.
|
|
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbMouseReset (
|
|
IN EFI_SIMPLE_POINTER_PROTOCOL *This,
|
|
IN BOOLEAN ExtendedVerification
|
|
);
|
|
|
|
/**
|
|
Event notification function for SIMPLE_POINTER.WaitForInput event.
|
|
|
|
@param Event Event to be signaled when there's input from mouse.
|
|
@param Context Points to USB_MOUSE_DEV instance.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UsbMouseWaitForInput (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
//
|
|
// Internal worker functions
|
|
//
|
|
|
|
/**
|
|
Uses USB I/O to check whether the device is a USB mouse device.
|
|
|
|
@param UsbIo Pointer to a USB I/O protocol instance.
|
|
|
|
@retval TRUE Device is a USB mouse device.
|
|
@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
|