[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 - 2008, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\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/PcdLib.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
/// 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
typedef struct {\r
  UINT16  Format;\r
  UINT8   Size;\r
  UINT8   Type;\r
  UINT8   Tag;\r
  union {\r
    UINT8   U8;\r
    UINT16  U16;\r
    UINT32  U32;\r
    INT8    I8;\r
    INT16   I16;\r
    INT32   I32;\r
    UINT8   *LongData;\r
  } 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 not a valid EFI_HANDLE.\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
67b8a9ce	4	Copyright (c) 2004 - 2008, Intel Corporation\r
09f72ae8	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
09f72ae8	13	**/\r
09f72ae8	14	\r
67b8a9ce	15	#ifndef _USB_MOUSE_ABSOLUTE_POINTER_H_\r
67b8a9ce	16	#define _USB_MOUSE_ABSOLUTE_POINTER_H_\r
09f72ae8	17	\r
09f72ae8	18	\r
60c93673	19	#include <Uefi.h>\r
09f72ae8	20	\r
	21	#include <Protocol/AbsolutePointer.h>\r
	22	#include <Protocol/UsbIo.h>\r
	23	#include <Protocol/DevicePath.h>\r
	24	\r
	25	#include <Library/ReportStatusCodeLib.h>\r
	26	#include <Library/BaseMemoryLib.h>\r
	27	#include <Library/UefiDriverEntryPoint.h>\r
	28	#include <Library/UefiBootServicesTableLib.h>\r
	29	#include <Library/UefiLib.h>\r
09f72ae8	30	#include <Library/MemoryAllocationLib.h>\r
09f72ae8	31	#include <Library/PcdLib.h>\r
dfb74df5	32	#include <Library/UefiUsbLib.h>\r
67b8a9ce	33	#include <Library/DebugLib.h>\r
09f72ae8	34	\r
	35	#include <IndustryStandard/Usb.h>\r
	36	\r
	37	#define CLASS_HID 3\r
	38	#define SUBCLASS_BOOT 1\r
	39	#define PROTOCOL_MOUSE 2\r
	40	\r
	41	#define BOOT_PROTOCOL 0\r
	42	#define REPORT_PROTOCOL 1\r
	43	\r
f3f2e05d	44	#define USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE SIGNATURE_32 ('u', 'm', 's', 't')\r
09f72ae8	45	\r
67b8a9ce	46	///\r
	47	/// Button range and status\r
	48	///\r
09f72ae8	49	typedef struct {\r
	50	BOOLEAN ButtonDetected;\r
	51	UINT8 ButtonMinIndex;\r
	52	UINT8 ButtonMaxIndex;\r
	53	UINT8 Reserved;\r
67b8a9ce	54	} USB_MOUSE_BUTTON_DATA;\r
09f72ae8	55	\r
67b8a9ce	56	///\r
	57	/// Device instance of USB mouse.\r
	58	///\r
09f72ae8	59	typedef struct {\r
	60	UINTN Signature;\r
	61	EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
	62	EFI_EVENT DelayedRecoveryEvent;\r
	63	EFI_USB_IO_PROTOCOL *UsbIo;\r
67b8a9ce	64	EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r
67b8a9ce	65	EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;\r
09f72ae8	66	UINT8 NumberOfButtons;\r
	67	INT32 XLogicMax;\r
	68	INT32 XLogicMin;\r
	69	INT32 YLogicMax;\r
	70	INT32 YLogicMin;\r
09f72ae8	71	EFI_ABSOLUTE_POINTER_PROTOCOL AbsolutePointerProtocol;\r
67b8a9ce	72	EFI_ABSOLUTE_POINTER_STATE State;\r
	73	EFI_ABSOLUTE_POINTER_MODE Mode;\r
	74	BOOLEAN StateChanged;\r
	75	USB_MOUSE_BUTTON_DATA PrivateData;\r
09f72ae8	76	EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r
	77	} USB_MOUSE_ABSOLUTE_POINTER_DEV;\r
	78	\r
67b8a9ce	79	///\r
	80	/// General HID Item structure\r
	81	///\r
	82	typedef struct {\r
	83	UINT16 Format;\r
	84	UINT8 Size;\r
	85	UINT8 Type;\r
	86	UINT8 Tag;\r
	87	union {\r
	88	UINT8 U8;\r
	89	UINT16 U16;\r
	90	UINT32 U32;\r
	91	INT8 I8;\r
	92	INT16 I16;\r
	93	INT32 I32;\r
	94	UINT8 *LongData;\r
	95	} Data;\r
	96	} HID_ITEM;\r
	97	\r
09f72ae8	98	#define USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL(a) \\r
	99	CR(a, USB_MOUSE_ABSOLUTE_POINTER_DEV, AbsolutePointerProtocol, USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE)\r
	100	\r
09f72ae8	101	//\r
	102	// Global Variables\r
	103	//\r
	104	extern EFI_DRIVER_BINDING_PROTOCOL gUsbMouseAbsolutePointerDriverBinding;\r
	105	extern EFI_COMPONENT_NAME_PROTOCOL gUsbMouseAbsolutePointerComponentName;\r
	106	extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMouseAbsolutePointerComponentName2;\r
09f72ae8	107	\r
aa79b0b3	108	//\r
67b8a9ce	109	// Functions of Driver Binding Protocol\r
aa79b0b3	110	//\r
aa79b0b3	111	\r
67b8a9ce	112	/**\r
	113	Check whether USB Mouse Absolute Pointer Driver supports this device.\r
	114	\r
	115	@param This The driver binding protocol.\r
	116	@param Controller The controller handle to check.\r
	117	@param RemainingDevicePath The remaining device path.\r
	118	\r
	119	@retval EFI_SUCCESS The driver supports this controller.\r
	120	@retval other This device isn't supported.\r
	121	\r
	122	**/\r
aa79b0b3	123	EFI_STATUS\r
	124	EFIAPI\r
	125	USBMouseAbsolutePointerDriverBindingSupported (\r
	126	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	127	IN EFI_HANDLE Controller,\r
	128	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	129	);\r
	130	\r
67b8a9ce	131	/**\r
	132	Starts the mouse device with this driver.\r
	133	\r
	134	This function consumes USB I/O Portocol, intializes USB mouse device,\r
	135	installs Absolute Pointer Protocol, and submits Asynchronous Interrupt\r
	136	Transfer to manage the USB mouse device.\r
	137	\r
	138	@param This The driver binding instance.\r
	139	@param Controller Handle of device to bind driver to.\r
	140	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	141	device to start.\r
	142	\r
	143	@retval EFI_SUCCESS This driver supports this device.\r
	144	@retval EFI_UNSUPPORTED This driver does not support this device.\r
	145	@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r
	146	@retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r
	147	@retval EFI_ALREADY_STARTED This driver has been started.\r
	148	\r
	149	**/\r
aa79b0b3	150	EFI_STATUS\r
	151	EFIAPI\r
	152	USBMouseAbsolutePointerDriverBindingStart (\r
	153	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	154	IN EFI_HANDLE Controller,\r
	155	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	156	);\r
	157	\r
67b8a9ce	158	/**\r
	159	Stop the USB mouse device handled by this driver.\r
	160	\r
	161	@param This The driver binding protocol.\r
	162	@param Controller The controller to release.\r
	163	@param NumberOfChildren The number of handles in ChildHandleBuffer.\r
	164	@param ChildHandleBuffer The array of child handle.\r
	165	\r
	166	@retval EFI_SUCCESS The device was stopped.\r
	167	@retval EFI_UNSUPPORTED Absolute Pointer Protocol is not installed on Controller.\r
	168	@retval Others Fail to uninstall protocols attached on the device.\r
	169	\r
	170	**/\r
aa79b0b3	171	EFI_STATUS\r
	172	EFIAPI\r
	173	USBMouseAbsolutePointerDriverBindingStop (\r
	174	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	175	IN EFI_HANDLE Controller,\r
	176	IN UINTN NumberOfChildren,\r
	177	IN EFI_HANDLE *ChildHandleBuffer\r
	178	);\r
	179	\r
67b8a9ce	180	//\r
	181	// EFI Component Name Functions\r
	182	//\r
	183	\r
	184	/**\r
	185	Retrieves a Unicode string that is the user readable name of the driver.\r
	186	\r
	187	This function retrieves the user readable name of a driver in the form of a\r
	188	Unicode string. If the driver specified by This has a user readable name in\r
	189	the language specified by Language, then a pointer to the driver name is\r
	190	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
	191	by This does not support the language specified by Language,\r
	192	then EFI_UNSUPPORTED is returned.\r
	193	\r
	194	@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	195	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	196	@param Language A pointer to a Null-terminated ASCII string\r
	197	array indicating the language. This is the\r
	198	language of the driver name that the caller is\r
	199	requesting, and it must match one of the\r
	200	languages specified in SupportedLanguages. The\r
	201	number of languages supported by a driver is up\r
	202	to the driver writer. Language is specified\r
0254efc0	203	in RFC 4646 or ISO 639-2 language code format.\r
67b8a9ce	204	@param DriverName A pointer to the Unicode string to return.\r
	205	This Unicode string is the name of the\r
	206	driver specified by This in the language\r
	207	specified by Language.\r
	208	\r
	209	@retval EFI_SUCCESS The Unicode string for the Driver specified by\r
	210	This and the language specified by Language was\r
	211	returned in DriverName.\r
	212	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	213	@retval EFI_INVALID_PARAMETER DriverName is NULL.\r
	214	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	215	the language specified by Language.\r
	216	\r
	217	**/\r
	218	EFI_STATUS\r
	219	EFIAPI\r
	220	UsbMouseAbsolutePointerComponentNameGetDriverName (\r
	221	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	222	IN CHAR8 *Language,\r
	223	OUT CHAR16 **DriverName\r
	224	);\r
	225	\r
	226	/**\r
	227	Retrieves a Unicode string that is the user readable name of the controller\r
	228	that is being managed by a driver.\r
	229	\r
	230	This function retrieves the user readable name of the controller specified by\r
	231	ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
	232	driver specified by This has a user readable name in the language specified by\r
	233	Language, then a pointer to the controller name is returned in ControllerName,\r
	234	and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
	235	managing the controller specified by ControllerHandle and ChildHandle,\r
	236	then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
	237	support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
	238	\r
	239	@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	240	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	241	@param ControllerHandle The handle of a controller that the driver\r
	242	specified by This is managing. This handle\r
	243	specifies the controller whose name is to be\r
	244	returned.\r
	245	@param ChildHandle The handle of the child controller to retrieve\r
	246	the name of. This is an optional parameter that\r
	247	may be NULL. It will be NULL for device\r
	248	drivers. It will also be NULL for a bus drivers\r
	249	that wish to retrieve the name of the bus\r
	250	controller. It will not be NULL for a bus\r
	251	driver that wishes to retrieve the name of a\r
	252	child controller.\r
	253	@param Language A pointer to a Null-terminated ASCII string\r
	254	array indicating the language. This is the\r
	255	language of the driver name that the caller is\r
	256	requesting, and it must match one of the\r
	257	languages specified in SupportedLanguages. The\r
	258	number of languages supported by a driver is up\r
	259	to the driver writer. Language is specified in\r
0254efc0	260	RFC 4646 or ISO 639-2 language code format.\r
67b8a9ce	261	@param ControllerName A pointer to the Unicode string to return.\r
	262	This Unicode string is the name of the\r
	263	controller specified by ControllerHandle and\r
	264	ChildHandle in the language specified by\r
	265	Language from the point of view of the driver\r
	266	specified by This.\r
	267	\r
	268	@retval EFI_SUCCESS The Unicode string for the user readable name in\r
	269	the language specified by Language for the\r
	270	driver specified by This was returned in\r
	271	DriverName.\r
	272	@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
	273	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
	274	EFI_HANDLE.\r
	275	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	276	@retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
	277	@retval EFI_UNSUPPORTED The driver specified by This is not currently\r
	278	managing the controller specified by\r
	279	ControllerHandle and ChildHandle.\r
	280	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	281	the language specified by Language.\r
	282	\r
	283	**/\r
	284	EFI_STATUS\r
	285	EFIAPI\r
	286	UsbMouseAbsolutePointerComponentNameGetControllerName (\r
	287	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	288	IN EFI_HANDLE ControllerHandle,\r
	289	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	290	IN CHAR8 *Language,\r
	291	OUT CHAR16 **ControllerName\r
	292	);\r
	293	\r
	294	//\r
	295	// Functions of EFI_ABSOLUTE_POINTER_PROTOCOL\r
	296	//\r
	297	\r
	298	/**\r
	299	Retrieves the current state of a pointer device.\r
	300	\r
	301	@param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance. \r
	302	@param MouseState A pointer to the state information on the pointer device.\r
	303	\r
	304	@retval EFI_SUCCESS The state of the pointer device was returned in State.\r
	305	@retval EFI_NOT_READY The state of the pointer device has not changed since the last call to\r
	306	GetState(). \r
	307	@retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's\r
	308	current state. \r
	309	@retval EFI_INVALID_PARAMETER State is NULL. \r
	310	\r
	311	**/\r
	312	EFI_STATUS\r
	313	EFIAPI\r
	314	GetMouseAbsolutePointerState (\r
	315	IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,\r
	316	OUT EFI_ABSOLUTE_POINTER_STATE *State\r
	317	);\r
	318	\r
	319	/**\r
	320	Resets the pointer device hardware.\r
	321	\r
	322	@param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.\r
	323	@param ExtendedVerification Indicates that the driver may perform a more exhaustive\r
	324	verification operation of the device during reset.\r
325	\r
326	@retval EFI_SUCCESS The device was reset.\r
327	@retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.\r
328	\r
329	**/\r
330	EFI_STATUS\r
331	EFIAPI\r
332	UsbMouseAbsolutePointerReset (\r
333	IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,\r
334	IN BOOLEAN ExtendedVerification\r
335	);\r
336	\r
337	/**\r
338	Event notification function for EFI_ABSOLUTE_POINTER_PROTOCOL.WaitForInput event.\r
339	\r
340	@param Event Event to be signaled when there's input from mouse.\r
341	@param Context Points to USB_MOUSE_ABSOLUTE_POINTER_DEV instance.\r
342	\r
343	**/\r
344	VOID\r
345	EFIAPI\r
346	UsbMouseAbsolutePointerWaitForInput (\r
347	IN EFI_EVENT Event,\r
348	IN VOID *Context\r
349	);\r
350	\r
351	//\r
352	// Internal worker functions\r
353	//\r
354	\r
355	/**\r
356	Uses USB I/O to check whether the device is a USB mouse device.\r
357	\r
358	@param UsbIo Pointer to a USB I/O protocol instance.\r
359	\r
360	@retval TRUE Device is a USB mouse device.\r
361	@retval FALSE Device is a not USB mouse device.\r
362	\r
363	**/\r
364	BOOLEAN\r
365	IsUsbMouse (\r
366	IN EFI_USB_IO_PROTOCOL *UsbIo\r
367	);\r
368	\r
369	/**\r
370	Initialize the USB mouse device.\r
371	\r
372	This function retrieves and parses HID report descriptor, and\r
373	initializes state of USB_MOUSE_ABSOLUTE_POINTER_DEV. Then it sets indefinite idle\r
374	rate for the device. Finally it creates event for delayed recovery,\r
375	which deals with device error.\r
376	\r
377	@param UsbMouseAbsolutePointerDev Device instance to be initialized.\r
378	\r
379	@retval EFI_SUCCESS USB mouse device successfully initialized.\r
380	@retval EFI_UNSUPPORTED HID descriptor type is not report descriptor.\r
381	@retval Other USB mouse device was not initialized successfully.\r
382	\r
383	**/\r
384	EFI_STATUS\r
385	InitializeUsbMouseDevice (\r
386	IN USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDev\r
387	);\r
388	\r
389	/**\r
390	Handler function for USB mouse's asynchronous interrupt transfer.\r
391	\r
392	This function is the handler function for USB mouse's asynchronous interrupt transfer\r
393	to manage the mouse. It parses data returned from asynchronous interrupt transfer, and\r
394	get button and movement state.\r
395	\r
396	@param Data A pointer to a buffer that is filled with key data which is\r
397	retrieved via asynchronous interrupt transfer.\r
398	@param DataLength Indicates the size of the data buffer.\r
399	@param Context Pointing to USB_KB_DEV instance.\r
400	@param Result Indicates the result of the asynchronous interrupt transfer.\r
401	\r
402	@retval EFI_SUCCESS Asynchronous interrupt transfer is handled successfully.\r
403	@retval EFI_DEVICE_ERROR Hardware error occurs.\r
404	\r
405	**/\r
406	EFI_STATUS\r
407	EFIAPI\r
408	OnMouseInterruptComplete (\r
409	IN VOID *Data,\r
410	IN UINTN DataLength,\r
411	IN VOID *Context,\r
412	IN UINT32 Result\r
413	);\r
414	\r
415	/**\r
416	Handler for Delayed Recovery event.\r
417	\r
418	This function is the handler for Delayed Recovery event triggered\r
419	by timer.\r
420	After a device error occurs, the event would be triggered\r
421	with interval of EFI_USB_INTERRUPT_DELAY. EFI_USB_INTERRUPT_DELAY\r
422	is defined in USB standard for error handling.\r
423	\r
424	@param Event The Delayed Recovery event.\r
425	@param Context Points to the USB_MOUSE_ABSOLUTE_POINTER_DEV instance.\r
426	\r
427	**/\r
428	VOID\r
429	EFIAPI\r
430	USBMouseRecoveryHandler (\r
431	IN EFI_EVENT Event,\r
432	IN VOID *Context\r
433	);\r
434	\r
435	/**\r
436	Parse Mouse Report Descriptor.\r
437	\r
438	According to USB HID Specification, report descriptors are\r
439	composed of pieces of information. Each piece of information\r
440	is called an Item. This function retrieves each item from\r
441	the report descriptor and updates USB_MOUSE_ABSOLUTE_POINTER_DEV.\r
442	\r
443	@param UsbMouseAbsolutePointer The instance of USB_MOUSE_ABSOLUTE_POINTER_DEV\r
444	@param ReportDescriptor Report descriptor to parse\r
445	@param ReportSize Report descriptor size\r
446	\r
447	@retval EFI_SUCCESS Report descriptor successfully parsed.\r
448	@retval EFI_UNSUPPORTED Report descriptor contains long item.\r
449	\r
450	**/\r
451	EFI_STATUS\r
452	ParseMouseReportDescriptor (\r
453	OUT USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointer,\r
454	IN UINT8 *ReportDescriptor,\r
455	IN UINTN ReportSize\r
456	);\r
aa79b0b3	457	\r
09f72ae8	458	#endif\r