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      1 /** @file
      2   A Ps2MouseAbsolutePointer driver header file
      3 
      4 Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
      5 This program and the accompanying materials
      6 are licensed and made available under the terms and conditions of the BSD License
      7 which accompanies this distribution.  The full text of the license may be found at
      8 http://opensource.org/licenses/bsd-license.php
      9 
     10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     12 
     13 **/
     14 
     15 #ifndef __PS2MOUSEABSOLUTEPOINTER_H__
     16 #define __PS2MOUSEABSOLUTEPOINTER_H__
     17 
     18 #include <FrameworkDxe.h>
     19 
     20 #include <Protocol/AbsolutePointer.h>
     21 #include <Protocol/IsaIo.h>
     22 #include <Protocol/DevicePath.h>
     23 
     24 #include <Library/DebugLib.h>
     25 #include <Library/UefiDriverEntryPoint.h>
     26 #include <Library/UefiLib.h>
     27 #include <Library/BaseMemoryLib.h>
     28 #include <Library/MemoryAllocationLib.h>
     29 #include <Library/UefiBootServicesTableLib.h>
     30 #include <Library/ReportStatusCodeLib.h>
     31 #include <Library/PcdLib.h>
     32 
     33 //
     34 // Global Variables
     35 //
     36 extern EFI_DRIVER_BINDING_PROTOCOL   gPS2MouseAbsolutePointerDriver;
     37 extern EFI_COMPONENT_NAME_PROTOCOL   gPs2MouseAbsolutePointerComponentName;
     38 extern EFI_COMPONENT_NAME2_PROTOCOL  gPs2MouseAbsolutePointerComponentName2;
     39 
     40 //
     41 // PS/2 mouse sample rate
     42 //
     43 typedef enum {
     44   SampleRate10,
     45   SampleRate20,
     46   SampleRate40,
     47   SampleRate60,
     48   SampleRate80,
     49   SampleRate100,
     50   SampleRate200,
     51   MaxSampleRate
     52 } MOUSE_SR;
     53 
     54 //
     55 // PS/2 mouse resolution
     56 //
     57 typedef enum {
     58   MouseResolution1,
     59   MouseResolution2,
     60   MouseResolution4,
     61   MouseResolution8,
     62   MaxResolution
     63 } MOUSE_RE;
     64 
     65 //
     66 // PS/2 mouse scaling
     67 //
     68 typedef enum {
     69   Scaling1,
     70   Scaling2
     71 } MOUSE_SF;
     72 
     73 //
     74 // Driver Private Data
     75 //
     76 #define PS2_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE SIGNATURE_32 ('p', '2', 's', 't')
     77 
     78 typedef struct {
     79   UINTN                               Signature;
     80 
     81   EFI_HANDLE                          Handle;
     82   EFI_ABSOLUTE_POINTER_PROTOCOL       AbsolutePointerProtocol;
     83   EFI_ABSOLUTE_POINTER_STATE          State;
     84   EFI_ABSOLUTE_POINTER_MODE           Mode;
     85   BOOLEAN                             StateChanged;
     86 
     87   //
     88   // PS2 Mouse device specific information
     89   //
     90   MOUSE_SR                            SampleRate;
     91   MOUSE_RE                            Resolution;
     92   MOUSE_SF                            Scaling;
     93   UINT8                               DataPackageSize;
     94 
     95   EFI_ISA_IO_PROTOCOL                 *IsaIo;
     96 
     97   EFI_EVENT                           TimerEvent;
     98 
     99   EFI_UNICODE_STRING_TABLE            *ControllerNameTable;
    100   EFI_DEVICE_PATH_PROTOCOL            *DevicePath;
    101 } PS2_MOUSE_ABSOLUTE_POINTER_DEV;
    102 
    103 #define PS2_MOUSE_ABSOLUTE_POINTER_DEV_FROM_THIS(a)  CR (a, PS2_MOUSE_ABSOLUTE_POINTER_DEV, AbsolutePointerProtocol, PS2_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE)
    104 
    105 //
    106 // Function prototypes
    107 //
    108 /**
    109   Test to see if this driver supports ControllerHandle. Any ControllerHandle
    110   than contains a IsaIo protocol can be supported.
    111 
    112   @param  This                Protocol instance pointer.
    113   @param  ControllerHandle    Handle of device to test
    114   @param  RemainingDevicePath Optional parameter use to pick a specific child
    115                               device to start.
    116 
    117   @retval EFI_SUCCESS         This driver supports this device
    118   @retval EFI_ALREADY_STARTED This driver is already running on this device
    119   @retval other               This driver does not support this device
    120 
    121 **/
    122 EFI_STATUS
    123 EFIAPI
    124 PS2MouseAbsolutePointerDriverSupported (
    125   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
    126   IN EFI_HANDLE                     Controller,
    127   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
    128   );
    129 
    130 /**
    131   Start this driver on ControllerHandle by opening a IsaIo
    132   protocol, creating PS2_MOUSE_ABSOLUTE_POINTER_DEV device and install gEfiAbsolutePointerProtocolGuid
    133   finnally.
    134 
    135   @param  This                 Protocol instance pointer.
    136   @param  ControllerHandle     Handle of device to bind driver to
    137   @param  RemainingDevicePath  Optional parameter use to pick a specific child
    138                                device to start.
    139 
    140   @retval EFI_SUCCESS          This driver is added to ControllerHandle
    141   @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle
    142   @retval other                This driver does not support this device
    143 
    144 **/
    145 EFI_STATUS
    146 EFIAPI
    147 PS2MouseAbsolutePointerDriverStart (
    148   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
    149   IN EFI_HANDLE                     Controller,
    150   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
    151   );
    152 
    153 /**
    154   Stop this driver on ControllerHandle. Support stoping any child handles
    155   created by this driver.
    156 
    157   @param  This              Protocol instance pointer.
    158   @param  ControllerHandle  Handle of device to stop driver on
    159   @param  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of
    160                             children is zero stop the entire bus driver.
    161   @param  ChildHandleBuffer List of Child Handles to Stop.
    162 
    163   @retval EFI_SUCCESS       This driver is removed ControllerHandle
    164   @retval other             This driver was not removed from this device
    165 
    166 **/
    167 EFI_STATUS
    168 EFIAPI
    169 PS2MouseAbsolutePointerDriverStop (
    170   IN EFI_DRIVER_BINDING_PROTOCOL   *This,
    171   IN EFI_HANDLE                    Controller,
    172   IN UINTN                         NumberOfChildren,
    173   IN EFI_HANDLE                    *ChildHandleBuffer
    174   );
    175 
    176 //
    177 // EFI Component Name Functions
    178 //
    179 /**
    180   Retrieves a Unicode string that is the user readable name of the driver.
    181 
    182   This function retrieves the user readable name of a driver in the form of a
    183   Unicode string. If the driver specified by This has a user readable name in
    184   the language specified by Language, then a pointer to the driver name is
    185   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
    186   by This does not support the language specified by Language,
    187   then EFI_UNSUPPORTED is returned.
    188 
    189   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
    190                                 EFI_COMPONENT_NAME_PROTOCOL instance.
    191 
    192   @param  Language[in]          A pointer to a Null-terminated ASCII string
    193                                 array indicating the language. This is the
    194                                 language of the driver name that the caller is
    195                                 requesting, and it must match one of the
    196                                 languages specified in SupportedLanguages. The
    197                                 number of languages supported by a driver is up
    198                                 to the driver writer. Language is specified
    199                                 in RFC 4646 or ISO 639-2 language code format.
    200 
    201   @param  DriverName[out]       A pointer to the Unicode string to return.
    202                                 This Unicode string is the name of the
    203                                 driver specified by This in the language
    204                                 specified by Language.
    205 
    206   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
    207                                 This and the language specified by Language was
    208                                 returned in DriverName.
    209 
    210   @retval EFI_INVALID_PARAMETER Language is NULL.
    211 
    212   @retval EFI_INVALID_PARAMETER DriverName is NULL.
    213 
    214   @retval EFI_UNSUPPORTED       The driver specified by This does not support
    215                                 the language specified by Language.
    216 
    217 **/
    218 EFI_STATUS
    219 EFIAPI
    220 Ps2MouseAbsolutePointerComponentNameGetDriverName (
    221   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
    222   IN  CHAR8                        *Language,
    223   OUT CHAR16                       **DriverName
    224   );
    225 
    226 
    227 /**
    228   Retrieves a Unicode string that is the user readable name of the controller
    229   that is being managed by a driver.
    230 
    231   This function retrieves the user readable name of the controller specified by
    232   ControllerHandle and ChildHandle in the form of a Unicode string. If the
    233   driver specified by This has a user readable name in the language specified by
    234   Language, then a pointer to the controller name is returned in ControllerName,
    235   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
    236   managing the controller specified by ControllerHandle and ChildHandle,
    237   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
    238   support the language specified by Language, then EFI_UNSUPPORTED is returned.
    239 
    240   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
    241                                 EFI_COMPONENT_NAME_PROTOCOL instance.
    242 
    243   @param  ControllerHandle[in]  The handle of a controller that the driver
    244                                 specified by This is managing.  This handle
    245                                 specifies the controller whose name is to be
    246                                 returned.
    247 
    248   @param  ChildHandle[in]       The handle of the child controller to retrieve
    249                                 the name of.  This is an optional parameter that
    250                                 may be NULL.  It will be NULL for device
    251                                 drivers.  It will also be NULL for a bus drivers
    252                                 that wish to retrieve the name of the bus
    253                                 controller.  It will not be NULL for a bus
    254                                 driver that wishes to retrieve the name of a
    255                                 child controller.
    256 
    257   @param  Language[in]          A pointer to a Null-terminated ASCII string
    258                                 array indicating the language.  This is the
    259                                 language of the driver name that the caller is
    260                                 requesting, and it must match one of the
    261                                 languages specified in SupportedLanguages. The
    262                                 number of languages supported by a driver is up
    263                                 to the driver writer. Language is specified in
    264                                 RFC 4646 or ISO 639-2 language code format.
    265 
    266   @param  ControllerName[out]   A pointer to the Unicode string to return.
    267                                 This Unicode string is the name of the
    268                                 controller specified by ControllerHandle and
    269                                 ChildHandle in the language specified by
    270                                 Language from the point of view of the driver
    271                                 specified by This.
    272 
    273   @retval EFI_SUCCESS           The Unicode string for the user readable name in
    274                                 the language specified by Language for the
    275                                 driver specified by This was returned in
    276                                 DriverName.
    277 
    278   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
    279 
    280   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
    281                                 EFI_HANDLE.
    282 
    283   @retval EFI_INVALID_PARAMETER Language is NULL.
    284 
    285   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
    286 
    287   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
    288                                 managing the controller specified by
    289                                 ControllerHandle and ChildHandle.
    290 
    291   @retval EFI_UNSUPPORTED       The driver specified by This does not support
    292                                 the language specified by Language.
    293 
    294 **/
    295 EFI_STATUS
    296 EFIAPI
    297 Ps2MouseAbsolutePointerComponentNameGetControllerName (
    298   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
    299   IN  EFI_HANDLE                                      ControllerHandle,
    300   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
    301   IN  CHAR8                                           *Language,
    302   OUT CHAR16                                          **ControllerName
    303   );
    304 
    305 /**
    306   Reset the Mouse and do BAT test for it, if ExtendedVerification isTRUE and there is a mouse device connectted to system.
    307 
    308   @param This                 - Pointer of simple pointer Protocol.
    309   @param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
    310 
    311 
    312   @retval EFI_SUCCESS         - The command byte is written successfully.
    313   @retval EFI_DEVICE_ERROR    - Errors occurred during reseting keyboard.
    314 
    315 **/
    316 EFI_STATUS
    317 EFIAPI
    318 MouseAbsolutePointerReset (
    319   IN EFI_ABSOLUTE_POINTER_PROTOCOL  *This,
    320   IN BOOLEAN                        ExtendedVerification
    321   );
    322 
    323 /**
    324   Get and Clear mouse status.
    325 
    326   @param This                 - Pointer of simple pointer Protocol.
    327   @param State                - Output buffer holding status.
    328 
    329   @retval EFI_INVALID_PARAMETER Output buffer is invalid.
    330   @retval EFI_NOT_READY         Mouse is not changed status yet.
    331   @retval EFI_SUCCESS           Mouse status is changed and get successful.
    332 **/
    333 EFI_STATUS
    334 EFIAPI
    335 MouseAbsolutePointerGetState (
    336   IN EFI_ABSOLUTE_POINTER_PROTOCOL  *This,
    337   IN OUT EFI_ABSOLUTE_POINTER_STATE   *State
    338   );
    339 
    340 /**
    341 
    342   Event notification function for SIMPLE_POINTER.WaitForInput event.
    343   Signal the event if there is input from mouse.
    344 
    345   @param Event    event object
    346   @param Context  event context
    347 
    348 **/
    349 VOID
    350 EFIAPI
    351 MouseAbsolutePointerWaitForInput (
    352   IN  EFI_EVENT               Event,
    353   IN  VOID                    *Context
    354   );
    355 
    356 /**
    357   Event notification function for TimerEvent event.
    358   If mouse device is connected to system, try to get the mouse packet data.
    359 
    360   @param Event      -  TimerEvent in PS2_MOUSE_DEV
    361   @param Context    -  Pointer to PS2_MOUSE_DEV structure
    362 
    363 **/
    364 VOID
    365 EFIAPI
    366 PollMouseAbsolutePointer (
    367   IN EFI_EVENT  Event,
    368   IN VOID       *Context
    369   );
    370 
    371 /**
    372   I/O work flow of in 8042 data.
    373 
    374   @param IsaIo   Pointer to instance of EFI_ISA_IO_PROTOCOL
    375   @param Data    Data value
    376 
    377   @retval EFI_SUCCESS Success to excute I/O work flow
    378   @retval EFI_TIMEOUT Keyboard controller time out.
    379 **/
    380 EFI_STATUS
    381 In8042Data (
    382   IN EFI_ISA_IO_PROTOCOL                  *IsaIo,
    383   IN OUT UINT8                            *Data
    384   );
    385 
    386 /**
    387   Check whether there is Ps/2 mouse device in system
    388 
    389   @param MouseAbsolutePointerDev - Absolute Pointer Device Private Data Structure
    390 
    391   @retval TRUE                - Keyboard in System.
    392   @retval FALSE               - Keyboard not in System.
    393 
    394 **/
    395 BOOLEAN
    396 CheckMouseAbsolutePointerConnect (
    397   IN  PS2_MOUSE_ABSOLUTE_POINTER_DEV     *MouseAbsolutePointerDev
    398   );
    399 
    400 #endif
    401