[mirror_edk2.git] / MdeModulePkg / Bus / Usb / UsbMouseAbsolutePointerDxe / UsbMouseAbsolutePointer.h

/** @file\r
  Helper routine and corresponding data struct used by USB Mouse Absolute Pointer Driver.\r
\r
Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _USB_MOUSE_ABSOLUTE_POINTER_H_\r
#define _USB_MOUSE_ABSOLUTE_POINTER_H_\r
\r
\r
#include <Uefi.h>\r
\r
#include <Protocol/AbsolutePointer.h>\r
#include <Protocol/UsbIo.h>\r
#include <Protocol/DevicePath.h>\r
\r
#include <Library/ReportStatusCodeLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiUsbLib.h>\r
#include <Library/DebugLib.h>\r
\r
#include <IndustryStandard/Usb.h>\r
\r
#define CLASS_HID               3\r
#define SUBCLASS_BOOT           1\r
#define PROTOCOL_MOUSE          2\r
\r
#define BOOT_PROTOCOL           0\r
#define REPORT_PROTOCOL         1\r
\r
#define USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE SIGNATURE_32 ('u', 'm', 's', 't')\r
\r
//\r
// A common header for usb standard descriptor.\r
// Each stand descriptor has a length and type.\r
//\r
#pragma pack(1)\r
typedef struct {\r
  UINT8                   Len;\r
  UINT8                   Type;\r
} USB_DESC_HEAD;\r
#pragma pack()\r
\r
///\r
/// Button range and status\r
///\r
typedef struct {\r
  BOOLEAN ButtonDetected;\r
  UINT8   ButtonMinIndex;\r
  UINT8   ButtonMaxIndex;\r
  UINT8   Reserved;\r
} USB_MOUSE_BUTTON_DATA;\r
\r
///\r
/// Device instance of USB mouse.\r
///\r
typedef struct {\r
  UINTN                         Signature;\r
  EFI_DEVICE_PATH_PROTOCOL      *DevicePath;\r
  EFI_EVENT                     DelayedRecoveryEvent;\r
  EFI_USB_IO_PROTOCOL           *UsbIo;\r
  EFI_USB_INTERFACE_DESCRIPTOR  InterfaceDescriptor;\r
  EFI_USB_ENDPOINT_DESCRIPTOR   IntEndpointDescriptor;\r
  UINT8                         NumberOfButtons;\r
  INT32                         XLogicMax;\r
  INT32                         XLogicMin;\r
  INT32                         YLogicMax;\r
  INT32                         YLogicMin;\r
  EFI_ABSOLUTE_POINTER_PROTOCOL AbsolutePointerProtocol;\r
  EFI_ABSOLUTE_POINTER_STATE    State;\r
  EFI_ABSOLUTE_POINTER_MODE     Mode;\r
  BOOLEAN                       StateChanged;\r
  USB_MOUSE_BUTTON_DATA         PrivateData;\r
  EFI_UNICODE_STRING_TABLE      *ControllerNameTable;\r
} USB_MOUSE_ABSOLUTE_POINTER_DEV;\r
\r
///\r
/// General HID Item structure\r
///\r
\r
typedef union {\r
  UINT8   Uint8;\r
  UINT16  Uint16;\r
  UINT32  Uint32;\r
  INT8    Int8;\r
  INT16   Int16;\r
  INT32   Int32;\r
  UINT8   *LongData;\r
} HID_DATA;\r
\r
typedef struct {\r
  UINT16    Format;\r
  UINT8     Size;\r
  UINT8     Type;\r
  UINT8     Tag;\r
  HID_DATA  Data;\r
} HID_ITEM;\r
\r
#define USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL(a) \\r
    CR(a, USB_MOUSE_ABSOLUTE_POINTER_DEV, AbsolutePointerProtocol, USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE)\r
\r
//\r
// Global Variables\r
//\r
extern EFI_DRIVER_BINDING_PROTOCOL   gUsbMouseAbsolutePointerDriverBinding;\r
extern EFI_COMPONENT_NAME_PROTOCOL   gUsbMouseAbsolutePointerComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL  gUsbMouseAbsolutePointerComponentName2;\r
\r
//\r
// Functions of Driver Binding Protocol\r
//\r
\r
/**\r
  Check whether USB Mouse Absolute Pointer Driver supports this device.\r
\r
  @param  This                   The driver binding protocol.\r
  @param  Controller             The controller handle to check.\r
  @param  RemainingDevicePath    The remaining device path.\r
\r
  @retval EFI_SUCCESS            The driver supports this controller.\r
  @retval other                  This device isn't supported.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
USBMouseAbsolutePointerDriverBindingSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL    *This,\r
  IN EFI_HANDLE                     Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath\r
  );\r
\r
/**\r
  Starts the mouse device with this driver.\r
\r
  This function consumes USB I/O Portocol, intializes USB mouse device,\r
  installs Absolute Pointer Protocol, and submits Asynchronous Interrupt\r
  Transfer to manage the USB mouse device.\r
\r
  @param  This                  The driver binding instance.\r
  @param  Controller            Handle of device to bind driver to.\r
  @param  RemainingDevicePath   Optional parameter use to pick a specific child\r
                                device to start.\r
\r
  @retval EFI_SUCCESS           This driver supports this device.\r
  @retval EFI_UNSUPPORTED       This driver does not support this device.\r
  @retval EFI_DEVICE_ERROR      This driver cannot be started due to device Error.\r
  @retval EFI_OUT_OF_RESOURCES  Can't allocate memory resources.\r
  @retval EFI_ALREADY_STARTED   This driver has been started.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
USBMouseAbsolutePointerDriverBindingStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL    *This,\r
  IN EFI_HANDLE                     Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath\r
  );\r
\r
/**\r
  Stop the USB mouse device handled by this driver.\r
\r
  @param  This                   The driver binding protocol.\r
  @param  Controller             The controller to release.\r
  @param  NumberOfChildren       The number of handles in ChildHandleBuffer.\r
  @param  ChildHandleBuffer      The array of child handle.\r
\r
  @retval EFI_SUCCESS            The device was stopped.\r
  @retval EFI_UNSUPPORTED        Absolute Pointer Protocol is not installed on Controller.\r
  @retval Others                 Fail to uninstall protocols attached on the device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
USBMouseAbsolutePointerDriverBindingStop (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL   *This,\r
  IN  EFI_HANDLE                    Controller,\r
  IN  UINTN                         NumberOfChildren,\r
  IN  EFI_HANDLE                    *ChildHandleBuffer\r
  );\r
\r
//\r
// EFI Component Name Functions\r
//\r
\r
/**\r
  Retrieves a Unicode string that is the user readable name of the driver.\r
\r
  This function retrieves the user readable name of a driver in the form of a\r
  Unicode string. If the driver specified by This has a user readable name in\r
  the language specified by Language, then a pointer to the driver name is\r
  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
  by This does not support the language specified by Language,\r
  then EFI_UNSUPPORTED is returned.\r
\r
  @param  This                  A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
  @param  Language              A pointer to a Null-terminated ASCII string\r
                                array indicating the language. This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified\r
                                in RFC 4646 or ISO 639-2 language code format.\r
  @param  DriverName            A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                driver specified by This in the language\r
                                specified by Language.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the Driver specified by\r
                                This and the language specified by Language was\r
                                returned in DriverName.\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
  @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMouseAbsolutePointerComponentNameGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  );\r
\r
/**\r
  Retrieves a Unicode string that is the user readable name of the controller\r
  that is being managed by a driver.\r
\r
  This function retrieves the user readable name of the controller specified by\r
  ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
  driver specified by This has a user readable name in the language specified by\r
  Language, then a pointer to the controller name is returned in ControllerName,\r
  and EFI_SUCCESS is returned.  If the driver specified by This is not currently\r
  managing the controller specified by ControllerHandle and ChildHandle,\r
  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not\r
  support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
\r
  @param  This                  A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
  @param  ControllerHandle      The handle of a controller that the driver\r
                                specified by This is managing.  This handle\r
                                specifies the controller whose name is to be\r
                                returned.\r
  @param  ChildHandle           The handle of the child controller to retrieve\r
                                the name of.  This is an optional parameter that\r
                                may be NULL.  It will be NULL for device\r
                                drivers.  It will also be NULL for a bus drivers\r
                                that wish to retrieve the name of the bus\r
                                controller.  It will not be NULL for a bus\r
                                driver that wishes to retrieve the name of a\r
                                child controller.\r
  @param  Language              A pointer to a Null-terminated ASCII string\r
                                array indicating the language.  This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified in\r
                                RFC 4646 or ISO 639-2 language code format.\r
  @param  ControllerName        A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                controller specified by ControllerHandle and\r
                                ChildHandle in the language specified by\r
                                Language from the point of view of the driver\r
                                specified by This.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the user readable name in\r
                                the language specified by Language for the\r
                                driver specified by This was returned in\r
                                DriverName.\r
  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
                                EFI_HANDLE.\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
  @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
  @retval EFI_UNSUPPORTED       The driver specified by This is not currently\r
                                managing the controller specified by\r
                                ControllerHandle and ChildHandle.\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMouseAbsolutePointerComponentNameGetControllerName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,\r
  IN  EFI_HANDLE                                      ControllerHandle,\r
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,\r
  IN  CHAR8                                           *Language,\r
  OUT CHAR16                                          **ControllerName\r
  );\r
\r
//\r
// Functions of EFI_ABSOLUTE_POINTER_PROTOCOL\r
//\r
\r
/**\r
  Retrieves the current state of a pointer device.\r
\r
  @param  This                  A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.\r
  @param  MouseState            A pointer to the state information on the pointer device.\r
\r
  @retval EFI_SUCCESS           The state of the pointer device was returned in State.\r
  @retval EFI_NOT_READY         The state of the pointer device has not changed since the last call to\r
                                GetState().\r
  @retval EFI_DEVICE_ERROR      A device error occurred while attempting to retrieve the pointer device's\r
                                current state.\r
  @retval EFI_INVALID_PARAMETER State is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
GetMouseAbsolutePointerState (\r
  IN   EFI_ABSOLUTE_POINTER_PROTOCOL  *This,\r
  OUT  EFI_ABSOLUTE_POINTER_STATE     *State\r
  );\r
\r
/**\r
  Resets the pointer device hardware.\r
\r
  @param  This                  A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.\r
  @param  ExtendedVerification  Indicates that the driver may perform a more exhaustive\r
                                verification operation of the device during reset.\r
\r
  @retval EFI_SUCCESS           The device was reset.\r
  @retval EFI_DEVICE_ERROR      The device is not functioning correctly and could not be reset.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMouseAbsolutePointerReset (\r
  IN EFI_ABSOLUTE_POINTER_PROTOCOL  *This,\r
  IN BOOLEAN                        ExtendedVerification\r
  );\r
\r
/**\r
  Event notification function for EFI_ABSOLUTE_POINTER_PROTOCOL.WaitForInput event.\r
\r
  @param  Event        Event to be signaled when there's input from mouse.\r
  @param  Context      Points to USB_MOUSE_ABSOLUTE_POINTER_DEV instance.\r
\r
**/\r
VOID\r
EFIAPI\r
UsbMouseAbsolutePointerWaitForInput (\r
  IN  EFI_EVENT               Event,\r
  IN  VOID                    *Context\r
  );\r
\r
//\r
// Internal worker functions\r
//\r
\r
/**\r
  Uses USB I/O to check whether the device is a USB mouse device.\r
\r
  @param  UsbIo    Pointer to a USB I/O protocol instance.\r
\r
  @retval TRUE     Device is a USB mouse device.\r
  @retval FALSE    Device is a not USB mouse device.\r
\r
**/\r
BOOLEAN\r
IsUsbMouse (\r
  IN  EFI_USB_IO_PROTOCOL     *UsbIo\r
  );\r
\r
/**\r
  Initialize the USB mouse device.\r
\r
  This function retrieves and parses HID report descriptor, and\r
  initializes state of USB_MOUSE_ABSOLUTE_POINTER_DEV. Then it sets indefinite idle\r
  rate for the device. Finally it creates event for delayed recovery,\r
  which deals with device error.\r
\r
  @param  UsbMouseAbsolutePointerDev   Device instance to be initialized.\r
\r
  @retval EFI_SUCCESS                  USB mouse device successfully initialized.\r
  @retval EFI_UNSUPPORTED              HID descriptor type is not report descriptor.\r
  @retval Other                        USB mouse device was not initialized successfully.\r
\r
**/\r
EFI_STATUS\r
InitializeUsbMouseDevice (\r
  IN  USB_MOUSE_ABSOLUTE_POINTER_DEV           *UsbMouseAbsolutePointerDev\r
  );\r
\r
/**\r
  Handler function for USB mouse's asynchronous interrupt transfer.\r
\r
  This function is the handler function for USB mouse's asynchronous interrupt transfer\r
  to manage the mouse. It parses data returned from asynchronous interrupt transfer, and\r
  get button and movement state.\r
\r
  @param  Data             A pointer to a buffer that is filled with key data which is\r
                           retrieved via asynchronous interrupt transfer.\r
  @param  DataLength       Indicates the size of the data buffer.\r
  @param  Context          Pointing to USB_KB_DEV instance.\r
  @param  Result           Indicates the result of the asynchronous interrupt transfer.\r
\r
  @retval EFI_SUCCESS      Asynchronous interrupt transfer is handled successfully.\r
  @retval EFI_DEVICE_ERROR Hardware error occurs.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
OnMouseInterruptComplete (\r
  IN  VOID        *Data,\r
  IN  UINTN       DataLength,\r
  IN  VOID        *Context,\r
  IN  UINT32      Result\r
  );\r
\r
/**\r
  Handler for Delayed Recovery event.\r
\r
  This function is the handler for Delayed Recovery event triggered\r
  by timer.\r
  After a device error occurs, the event would be triggered\r
  with interval of EFI_USB_INTERRUPT_DELAY. EFI_USB_INTERRUPT_DELAY\r
  is defined in USB standard for error handling.\r
\r
  @param  Event                 The Delayed Recovery event.\r
  @param  Context               Points to the USB_MOUSE_ABSOLUTE_POINTER_DEV instance.\r
\r
**/\r
VOID\r
EFIAPI\r
USBMouseRecoveryHandler (\r
  IN    EFI_EVENT    Event,\r
  IN    VOID         *Context\r
  );\r
\r
/**\r
  Parse Mouse Report Descriptor.\r
\r
  According to USB HID Specification, report descriptors are\r
  composed of pieces of information. Each piece of information\r
  is called an Item. This function retrieves each item from\r
  the report descriptor and updates USB_MOUSE_ABSOLUTE_POINTER_DEV.\r
\r
  @param  UsbMouseAbsolutePointer  The instance of USB_MOUSE_ABSOLUTE_POINTER_DEV\r
  @param  ReportDescriptor         Report descriptor to parse\r
  @param  ReportSize               Report descriptor size\r
\r
  @retval EFI_SUCCESS              Report descriptor successfully parsed.\r
  @retval EFI_UNSUPPORTED          Report descriptor contains long item.\r
\r
**/\r
EFI_STATUS\r
ParseMouseReportDescriptor (\r
  OUT USB_MOUSE_ABSOLUTE_POINTER_DEV   *UsbMouseAbsolutePointer,\r
  IN  UINT8                            *ReportDescriptor,\r
  IN  UINTN                            ReportSize\r
  );\r
\r
#endif\r
Commit	Line	Data
09f72ae8	1	/** @file\r
67b8a9ce	2	Helper routine and corresponding data struct used by USB Mouse Absolute Pointer Driver.\r
09f72ae8	3	\r
d1102dba	4	Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r
9d510e61	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
09f72ae8	6	\r
09f72ae8	7	**/\r
09f72ae8	8	\r
67b8a9ce	9	#ifndef _USB_MOUSE_ABSOLUTE_POINTER_H_\r
67b8a9ce	10	#define _USB_MOUSE_ABSOLUTE_POINTER_H_\r
09f72ae8	11	\r
09f72ae8	12	\r
60c93673	13	#include <Uefi.h>\r
09f72ae8	14	\r
	15	#include <Protocol/AbsolutePointer.h>\r
	16	#include <Protocol/UsbIo.h>\r
	17	#include <Protocol/DevicePath.h>\r
	18	\r
	19	#include <Library/ReportStatusCodeLib.h>\r
	20	#include <Library/BaseMemoryLib.h>\r
	21	#include <Library/UefiDriverEntryPoint.h>\r
	22	#include <Library/UefiBootServicesTableLib.h>\r
	23	#include <Library/UefiLib.h>\r
09f72ae8	24	#include <Library/MemoryAllocationLib.h>\r
dfb74df5	25	#include <Library/UefiUsbLib.h>\r
67b8a9ce	26	#include <Library/DebugLib.h>\r
09f72ae8	27	\r
	28	#include <IndustryStandard/Usb.h>\r
	29	\r
	30	#define CLASS_HID 3\r
	31	#define SUBCLASS_BOOT 1\r
	32	#define PROTOCOL_MOUSE 2\r
	33	\r
	34	#define BOOT_PROTOCOL 0\r
	35	#define REPORT_PROTOCOL 1\r
	36	\r
f3f2e05d	37	#define USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE SIGNATURE_32 ('u', 'm', 's', 't')\r
09f72ae8	38	\r
0309b719	39	//\r
	40	// A common header for usb standard descriptor.\r
	41	// Each stand descriptor has a length and type.\r
	42	//\r
	43	#pragma pack(1)\r
	44	typedef struct {\r
	45	UINT8 Len;\r
	46	UINT8 Type;\r
	47	} USB_DESC_HEAD;\r
	48	#pragma pack()\r
	49	\r
67b8a9ce	50	///\r
	51	/// Button range and status\r
	52	///\r
09f72ae8	53	typedef struct {\r
	54	BOOLEAN ButtonDetected;\r
	55	UINT8 ButtonMinIndex;\r
	56	UINT8 ButtonMaxIndex;\r
	57	UINT8 Reserved;\r
67b8a9ce	58	} USB_MOUSE_BUTTON_DATA;\r
09f72ae8	59	\r
67b8a9ce	60	///\r
	61	/// Device instance of USB mouse.\r
	62	///\r
09f72ae8	63	typedef struct {\r
	64	UINTN Signature;\r
	65	EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
	66	EFI_EVENT DelayedRecoveryEvent;\r
	67	EFI_USB_IO_PROTOCOL *UsbIo;\r
67b8a9ce	68	EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r
67b8a9ce	69	EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;\r
09f72ae8	70	UINT8 NumberOfButtons;\r
	71	INT32 XLogicMax;\r
	72	INT32 XLogicMin;\r
	73	INT32 YLogicMax;\r
	74	INT32 YLogicMin;\r
09f72ae8	75	EFI_ABSOLUTE_POINTER_PROTOCOL AbsolutePointerProtocol;\r
67b8a9ce	76	EFI_ABSOLUTE_POINTER_STATE State;\r
	77	EFI_ABSOLUTE_POINTER_MODE Mode;\r
	78	BOOLEAN StateChanged;\r
	79	USB_MOUSE_BUTTON_DATA PrivateData;\r
09f72ae8	80	EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r
	81	} USB_MOUSE_ABSOLUTE_POINTER_DEV;\r
	82	\r
67b8a9ce	83	///\r
	84	/// General HID Item structure\r
	85	///\r
1ccdbf2a	86	\r
1ccdbf2a	87	typedef union {\r
4140a663	88	UINT8 Uint8;\r
	89	UINT16 Uint16;\r
	90	UINT32 Uint32;\r
	91	INT8 Int8;\r
	92	INT16 Int16;\r
	93	INT32 Int32;\r
1ccdbf2a	94	UINT8 *LongData;\r
	95	} HID_DATA;\r
	96	\r
67b8a9ce	97	typedef struct {\r
1ccdbf2a	98	UINT16 Format;\r
	99	UINT8 Size;\r
	100	UINT8 Type;\r
	101	UINT8 Tag;\r
	102	HID_DATA Data;\r
67b8a9ce	103	} HID_ITEM;\r
67b8a9ce	104	\r
09f72ae8	105	#define USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL(a) \\r
	106	CR(a, USB_MOUSE_ABSOLUTE_POINTER_DEV, AbsolutePointerProtocol, USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE)\r
	107	\r
09f72ae8	108	//\r
	109	// Global Variables\r
	110	//\r
	111	extern EFI_DRIVER_BINDING_PROTOCOL gUsbMouseAbsolutePointerDriverBinding;\r
	112	extern EFI_COMPONENT_NAME_PROTOCOL gUsbMouseAbsolutePointerComponentName;\r
	113	extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMouseAbsolutePointerComponentName2;\r
09f72ae8	114	\r
aa79b0b3	115	//\r
67b8a9ce	116	// Functions of Driver Binding Protocol\r
aa79b0b3	117	//\r
aa79b0b3	118	\r
67b8a9ce	119	/**\r
	120	Check whether USB Mouse Absolute Pointer Driver supports this device.\r
	121	\r
	122	@param This The driver binding protocol.\r
	123	@param Controller The controller handle to check.\r
	124	@param RemainingDevicePath The remaining device path.\r
	125	\r
	126	@retval EFI_SUCCESS The driver supports this controller.\r
	127	@retval other This device isn't supported.\r
	128	\r
	129	**/\r
aa79b0b3	130	EFI_STATUS\r
	131	EFIAPI\r
	132	USBMouseAbsolutePointerDriverBindingSupported (\r
	133	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	134	IN EFI_HANDLE Controller,\r
	135	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	136	);\r
	137	\r
67b8a9ce	138	/**\r
	139	Starts the mouse device with this driver.\r
	140	\r
	141	This function consumes USB I/O Portocol, intializes USB mouse device,\r
	142	installs Absolute Pointer Protocol, and submits Asynchronous Interrupt\r
	143	Transfer to manage the USB mouse device.\r
	144	\r
	145	@param This The driver binding instance.\r
	146	@param Controller Handle of device to bind driver to.\r
	147	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	148	device to start.\r
	149	\r
	150	@retval EFI_SUCCESS This driver supports this device.\r
	151	@retval EFI_UNSUPPORTED This driver does not support this device.\r
	152	@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r
	153	@retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r
	154	@retval EFI_ALREADY_STARTED This driver has been started.\r
	155	\r
	156	**/\r
aa79b0b3	157	EFI_STATUS\r
	158	EFIAPI\r
	159	USBMouseAbsolutePointerDriverBindingStart (\r
	160	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	161	IN EFI_HANDLE Controller,\r
	162	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	163	);\r
	164	\r
67b8a9ce	165	/**\r
	166	Stop the USB mouse device handled by this driver.\r
	167	\r
	168	@param This The driver binding protocol.\r
	169	@param Controller The controller to release.\r
	170	@param NumberOfChildren The number of handles in ChildHandleBuffer.\r
	171	@param ChildHandleBuffer The array of child handle.\r
	172	\r
	173	@retval EFI_SUCCESS The device was stopped.\r
	174	@retval EFI_UNSUPPORTED Absolute Pointer Protocol is not installed on Controller.\r
	175	@retval Others Fail to uninstall protocols attached on the device.\r
	176	\r
	177	**/\r
aa79b0b3	178	EFI_STATUS\r
	179	EFIAPI\r
	180	USBMouseAbsolutePointerDriverBindingStop (\r
	181	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	182	IN EFI_HANDLE Controller,\r
	183	IN UINTN NumberOfChildren,\r
	184	IN EFI_HANDLE *ChildHandleBuffer\r
	185	);\r
	186	\r
67b8a9ce	187	//\r
	188	// EFI Component Name Functions\r
	189	//\r
	190	\r
	191	/**\r
	192	Retrieves a Unicode string that is the user readable name of the driver.\r
	193	\r
	194	This function retrieves the user readable name of a driver in the form of a\r
	195	Unicode string. If the driver specified by This has a user readable name in\r
	196	the language specified by Language, then a pointer to the driver name is\r
	197	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
	198	by This does not support the language specified by Language,\r
	199	then EFI_UNSUPPORTED is returned.\r
	200	\r
	201	@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	202	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	203	@param Language A pointer to a Null-terminated ASCII string\r
	204	array indicating the language. This is the\r
	205	language of the driver name that the caller is\r
	206	requesting, and it must match one of the\r
	207	languages specified in SupportedLanguages. The\r
	208	number of languages supported by a driver is up\r
	209	to the driver writer. Language is specified\r
0254efc0	210	in RFC 4646 or ISO 639-2 language code format.\r
67b8a9ce	211	@param DriverName A pointer to the Unicode string to return.\r
	212	This Unicode string is the name of the\r
	213	driver specified by This in the language\r
	214	specified by Language.\r
	215	\r
	216	@retval EFI_SUCCESS The Unicode string for the Driver specified by\r
	217	This and the language specified by Language was\r
	218	returned in DriverName.\r
	219	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	220	@retval EFI_INVALID_PARAMETER DriverName is NULL.\r
	221	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	222	the language specified by Language.\r
	223	\r
	224	**/\r
	225	EFI_STATUS\r
	226	EFIAPI\r
	227	UsbMouseAbsolutePointerComponentNameGetDriverName (\r
	228	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	229	IN CHAR8 *Language,\r
	230	OUT CHAR16 **DriverName\r
	231	);\r
	232	\r
	233	/**\r
	234	Retrieves a Unicode string that is the user readable name of the controller\r
	235	that is being managed by a driver.\r
	236	\r
	237	This function retrieves the user readable name of the controller specified by\r
	238	ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
	239	driver specified by This has a user readable name in the language specified by\r
	240	Language, then a pointer to the controller name is returned in ControllerName,\r
	241	and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
	242	managing the controller specified by ControllerHandle and ChildHandle,\r
	243	then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
	244	support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
	245	\r
	246	@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	247	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	248	@param ControllerHandle The handle of a controller that the driver\r
	249	specified by This is managing. This handle\r
	250	specifies the controller whose name is to be\r
	251	returned.\r
	252	@param ChildHandle The handle of the child controller to retrieve\r
	253	the name of. This is an optional parameter that\r
	254	may be NULL. It will be NULL for device\r
	255	drivers. It will also be NULL for a bus drivers\r
	256	that wish to retrieve the name of the bus\r
	257	controller. It will not be NULL for a bus\r
	258	driver that wishes to retrieve the name of a\r
	259	child controller.\r
	260	@param Language A pointer to a Null-terminated ASCII string\r
	261	array indicating the language. This is the\r
	262	language of the driver name that the caller is\r
	263	requesting, and it must match one of the\r
	264	languages specified in SupportedLanguages. The\r
	265	number of languages supported by a driver is up\r
	266	to the driver writer. Language is specified in\r
0254efc0	267	RFC 4646 or ISO 639-2 language code format.\r
67b8a9ce	268	@param ControllerName A pointer to the Unicode string to return.\r
	269	This Unicode string is the name of the\r
	270	controller specified by ControllerHandle and\r
	271	ChildHandle in the language specified by\r
	272	Language from the point of view of the driver\r
	273	specified by This.\r
	274	\r
	275	@retval EFI_SUCCESS The Unicode string for the user readable name in\r
	276	the language specified by Language for the\r
	277	driver specified by This was returned in\r
	278	DriverName.\r
284ee2e8	279	@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
67b8a9ce	280	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
	281	EFI_HANDLE.\r
	282	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	283	@retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
	284	@retval EFI_UNSUPPORTED The driver specified by This is not currently\r
	285	managing the controller specified by\r
	286	ControllerHandle and ChildHandle.\r
	287	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	288	the language specified by Language.\r
	289	\r
	290	**/\r
	291	EFI_STATUS\r
	292	EFIAPI\r
	293	UsbMouseAbsolutePointerComponentNameGetControllerName (\r
	294	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	295	IN EFI_HANDLE ControllerHandle,\r
	296	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	297	IN CHAR8 *Language,\r
	298	OUT CHAR16 **ControllerName\r
	299	);\r
	300	\r
	301	//\r
	302	// Functions of EFI_ABSOLUTE_POINTER_PROTOCOL\r
	303	//\r
	304	\r
	305	/**\r
	306	Retrieves the current state of a pointer device.\r
	307	\r
d1102dba	308	@param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.\r
67b8a9ce	309	@param MouseState A pointer to the state information on the pointer device.\r
	310	\r
	311	@retval EFI_SUCCESS The state of the pointer device was returned in State.\r
	312	@retval EFI_NOT_READY The state of the pointer device has not changed since the last call to\r
d1102dba	313	GetState().\r
67b8a9ce	314	@retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's\r
d1102dba LG	315	current state.\r
d1102dba LG	316	@retval EFI_INVALID_PARAMETER State is NULL.\r
67b8a9ce	317	\r
	318	**/\r
	319	EFI_STATUS\r
	320	EFIAPI\r
	321	GetMouseAbsolutePointerState (\r
	322	IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,\r
	323	OUT EFI_ABSOLUTE_POINTER_STATE *State\r
	324	);\r
	325	\r
	326	/**\r
	327	Resets the pointer device hardware.\r
	328	\r
	329	@param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.\r
	330	@param ExtendedVerification Indicates that the driver may perform a more exhaustive\r
	331	verification operation of the device during reset.\r
	332	\r
	333	@retval EFI_SUCCESS The device was reset.\r
	334	@retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.\r
	335	\r
	336	**/\r
	337	EFI_STATUS\r
	338	EFIAPI\r
	339	UsbMouseAbsolutePointerReset (\r
	340	IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,\r
	341	IN BOOLEAN ExtendedVerification\r
	342	);\r
	343	\r
	344	/**\r
	345	Event notification function for EFI_ABSOLUTE_POINTER_PROTOCOL.WaitForInput event.\r
	346	\r
	347	@param Event Event to be signaled when there's input from mouse.\r
	348	@param Context Points to USB_MOUSE_ABSOLUTE_POINTER_DEV instance.\r
	349	\r
	350	**/\r
	351	VOID\r
	352	EFIAPI\r
	353	UsbMouseAbsolutePointerWaitForInput (\r
	354	IN EFI_EVENT Event,\r
	355	IN VOID *Context\r
	356	);\r
	357	\r
	358	//\r
	359	// Internal worker functions\r
	360	//\r
	361	\r
	362	/**\r
	363	Uses USB I/O to check whether the device is a USB mouse device.\r
	364	\r
	365	@param UsbIo Pointer to a USB I/O protocol instance.\r
	366	\r
	367	@retval TRUE Device is a USB mouse device.\r
	368	@retval FALSE Device is a not USB mouse device.\r
	369	\r
	370	**/\r
	371	BOOLEAN\r
	372	IsUsbMouse (\r
	373	IN EFI_USB_IO_PROTOCOL *UsbIo\r
	374	);\r
	375	\r
	376	/**\r
	377	Initialize the USB mouse device.\r
	378	\r
	379	This function retrieves and parses HID report descriptor, and\r
	380	initializes state of USB_MOUSE_ABSOLUTE_POINTER_DEV. Then it sets indefinite idle\r
381	rate for the device. Finally it creates event for delayed recovery,\r
382	which deals with device error.\r
383	\r
384	@param UsbMouseAbsolutePointerDev Device instance to be initialized.\r
385	\r
386	@retval EFI_SUCCESS USB mouse device successfully initialized.\r
387	@retval EFI_UNSUPPORTED HID descriptor type is not report descriptor.\r
388	@retval Other USB mouse device was not initialized successfully.\r
389	\r
390	**/\r
391	EFI_STATUS\r
392	InitializeUsbMouseDevice (\r
393	IN USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDev\r
394	);\r
395	\r
396	/**\r
397	Handler function for USB mouse's asynchronous interrupt transfer.\r
398	\r
399	This function is the handler function for USB mouse's asynchronous interrupt transfer\r
400	to manage the mouse. It parses data returned from asynchronous interrupt transfer, and\r
401	get button and movement state.\r
402	\r
403	@param Data A pointer to a buffer that is filled with key data which is\r
404	retrieved via asynchronous interrupt transfer.\r
405	@param DataLength Indicates the size of the data buffer.\r
406	@param Context Pointing to USB_KB_DEV instance.\r
407	@param Result Indicates the result of the asynchronous interrupt transfer.\r
408	\r
409	@retval EFI_SUCCESS Asynchronous interrupt transfer is handled successfully.\r
410	@retval EFI_DEVICE_ERROR Hardware error occurs.\r
411	\r
412	**/\r
413	EFI_STATUS\r
414	EFIAPI\r
415	OnMouseInterruptComplete (\r
416	IN VOID *Data,\r
417	IN UINTN DataLength,\r
418	IN VOID *Context,\r
419	IN UINT32 Result\r
420	);\r
421	\r
422	/**\r
423	Handler for Delayed Recovery event.\r
424	\r
425	This function is the handler for Delayed Recovery event triggered\r
426	by timer.\r
427	After a device error occurs, the event would be triggered\r
428	with interval of EFI_USB_INTERRUPT_DELAY. EFI_USB_INTERRUPT_DELAY\r
429	is defined in USB standard for error handling.\r
430	\r
431	@param Event The Delayed Recovery event.\r
432	@param Context Points to the USB_MOUSE_ABSOLUTE_POINTER_DEV instance.\r
433	\r
434	**/\r
435	VOID\r
436	EFIAPI\r
437	USBMouseRecoveryHandler (\r
438	IN EFI_EVENT Event,\r
439	IN VOID *Context\r
440	);\r
441	\r
442	/**\r
443	Parse Mouse Report Descriptor.\r
444	\r
445	According to USB HID Specification, report descriptors are\r
446	composed of pieces of information. Each piece of information\r
447	is called an Item. This function retrieves each item from\r
448	the report descriptor and updates USB_MOUSE_ABSOLUTE_POINTER_DEV.\r
449	\r
450	@param UsbMouseAbsolutePointer The instance of USB_MOUSE_ABSOLUTE_POINTER_DEV\r
451	@param ReportDescriptor Report descriptor to parse\r
452	@param ReportSize Report descriptor size\r
453	\r
454	@retval EFI_SUCCESS Report descriptor successfully parsed.\r
455	@retval EFI_UNSUPPORTED Report descriptor contains long item.\r
456	\r
457	**/\r
458	EFI_STATUS\r
459	ParseMouseReportDescriptor (\r
460	OUT USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointer,\r
461	IN UINT8 *ReportDescriptor,\r
462	IN UINTN ReportSize\r
463	);\r
aa79b0b3	464	\r
09f72ae8	465	#endif\r