IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/ComponentName.c

   1 /**@file
   2
   3 Copyright (c) 2006 - 2007, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 **/
  13
  14 #include "Ps2Keyboard.h"
  15
  16 //
  17 // EFI Component Name Functions
  18 //
  19 /**
  20   Retrieves a Unicode string that is the user readable name of the driver.
  21
  22   This function retrieves the user readable name of a driver in the form of a
  23   Unicode string. If the driver specified by This has a user readable name in
  24   the language specified by Language, then a pointer to the driver name is
  25   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
  26   by This does not support the language specified by Language,
  27   then EFI_UNSUPPORTED is returned.
  28
  29   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
  30                                 EFI_COMPONENT_NAME_PROTOCOL instance.
  31
  32   @param  Language[in]          A pointer to a Null-terminated ASCII string
  33                                 array indicating the language. This is the
  34                                 language of the driver name that the caller is
  35                                 requesting, and it must match one of the
  36                                 languages specified in SupportedLanguages. The
  37                                 number of languages supported by a driver is up
  38                                 to the driver writer. Language is specified
  39                                 in RFC 3066 or ISO 639-2 language code format.
  40
  41   @param  DriverName[out]       A pointer to the Unicode string to return.
  42                                 This Unicode string is the name of the
  43                                 driver specified by This in the language
  44                                 specified by Language.
  45
  46   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
  47                                 This and the language specified by Language was
  48                                 returned in DriverName.
  49
  50   @retval EFI_INVALID_PARAMETER Language is NULL.
  51
  52   @retval EFI_INVALID_PARAMETER DriverName is NULL.
  53
  54   @retval EFI_UNSUPPORTED       The driver specified by This does not support
  55                                 the language specified by Language.
  56
  57 **/
  58 EFI_STATUS
  59 EFIAPI
  60 Ps2KeyboardComponentNameGetDriverName (
  61   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  62   IN  CHAR8                        *Language,
  63   OUT CHAR16                       **DriverName
  64   );
  65
  66
  67 /**
  68   Retrieves a Unicode string that is the user readable name of the controller
  69   that is being managed by a driver.
  70
  71   This function retrieves the user readable name of the controller specified by
  72   ControllerHandle and ChildHandle in the form of a Unicode string. If the
  73   driver specified by This has a user readable name in the language specified by
  74   Language, then a pointer to the controller name is returned in ControllerName,
  75   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
  76   managing the controller specified by ControllerHandle and ChildHandle,
  77   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
  78   support the language specified by Language, then EFI_UNSUPPORTED is returned.
  79
  80   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
  81                                 EFI_COMPONENT_NAME_PROTOCOL instance.
  82
  83   @param  ControllerHandle[in]  The handle of a controller that the driver
  84                                 specified by This is managing.  This handle
  85                                 specifies the controller whose name is to be
  86                                 returned.
  87
  88   @param  ChildHandle[in]       The handle of the child controller to retrieve
  89                                 the name of.  This is an optional parameter that
  90                                 may be NULL.  It will be NULL for device
  91                                 drivers.  It will also be NULL for a bus drivers
  92                                 that wish to retrieve the name of the bus
  93                                 controller.  It will not be NULL for a bus
  94                                 driver that wishes to retrieve the name of a
  95                                 child controller.
  96
  97   @param  Language[in]          A pointer to a Null-terminated ASCII string
  98                                 array indicating the language.  This is the
  99                                 language of the driver name that the caller is
 100                                 requesting, and it must match one of the
 101                                 languages specified in SupportedLanguages. The
 102                                 number of languages supported by a driver is up
 103                                 to the driver writer. Language is specified in
 104                                 RFC 3066 or ISO 639-2 language code format.
 105
 106   @param  ControllerName[out]   A pointer to the Unicode string to return.
 107                                 This Unicode string is the name of the
 108                                 controller specified by ControllerHandle and
 109                                 ChildHandle in the language specified by
 110                                 Language from the point of view of the driver
 111                                 specified by This.
 112
 113   @retval EFI_SUCCESS           The Unicode string for the user readable name in
 114                                 the language specified by Language for the
 115                                 driver specified by This was returned in
 116                                 DriverName.
 117
 118   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
 119
 120   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
 121                                 EFI_HANDLE.
 122
 123   @retval EFI_INVALID_PARAMETER Language is NULL.
 124
 125   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
 126
 127   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
 128                                 managing the controller specified by
 129                                 ControllerHandle and ChildHandle.
 130
 131   @retval EFI_UNSUPPORTED       The driver specified by This does not support
 132                                 the language specified by Language.
 133
 134 **/
 135 EFI_STATUS
 136 EFIAPI
 137 Ps2KeyboardComponentNameGetControllerName (
 138   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 139   IN  EFI_HANDLE                                      ControllerHandle,
 140   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 141   IN  CHAR8                                           *Language,
 142   OUT CHAR16                                          **ControllerName
 143   );
 144
 145
 146 //
 147 // EFI Component Name Protocol
 148 //
 149 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gPs2KeyboardComponentName = {
 150   Ps2KeyboardComponentNameGetDriverName,
 151   Ps2KeyboardComponentNameGetControllerName,
 152   "eng"
 153 };
 154
 155 //
 156 // EFI Component Name 2 Protocol
 157 //
 158 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2 = {
 159   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Ps2KeyboardComponentNameGetDriverName,
 160   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Ps2KeyboardComponentNameGetControllerName,
 161   "en"
 162 };
 163
 164
 165 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPs2KeyboardDriverNameTable[] = {
 166   {
 167     "eng;en",
 168     L"PS/2 Keyboard Driver"
 169   },
 170   {
 171     NULL,
 172     NULL
 173   }
 174 };
 175
 176 /**
 177   Retrieves a Unicode string that is the user readable name of the driver.
 178
 179   This function retrieves the user readable name of a driver in the form of a
 180   Unicode string. If the driver specified by This has a user readable name in
 181   the language specified by Language, then a pointer to the driver name is
 182   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
 183   by This does not support the language specified by Language,
 184   then EFI_UNSUPPORTED is returned.
 185
 186   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
 187                                 EFI_COMPONENT_NAME_PROTOCOL instance.
 188
 189   @param  Language[in]          A pointer to a Null-terminated ASCII string
 190                                 array indicating the language. This is the
 191                                 language of the driver name that the caller is
 192                                 requesting, and it must match one of the
 193                                 languages specified in SupportedLanguages. The
 194                                 number of languages supported by a driver is up
 195                                 to the driver writer. Language is specified
 196                                 in RFC 3066 or ISO 639-2 language code format.
 197
 198   @param  DriverName[out]       A pointer to the Unicode string to return.
 199                                 This Unicode string is the name of the
 200                                 driver specified by This in the language
 201                                 specified by Language.
 202
 203   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
 204                                 This and the language specified by Language was
 205                                 returned in DriverName.
 206
 207   @retval EFI_INVALID_PARAMETER Language is NULL.
 208
 209   @retval EFI_INVALID_PARAMETER DriverName is NULL.
 210
 211   @retval EFI_UNSUPPORTED       The driver specified by This does not support
 212                                 the language specified by Language.
 213
 214 **/
 215 EFI_STATUS
 216 EFIAPI
 217 Ps2KeyboardComponentNameGetDriverName (
 218   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
 219   IN  CHAR8                        *Language,
 220   OUT CHAR16                       **DriverName
 221   )
 222 {
 223   return LookupUnicodeString2 (
 224            Language,
 225            This->SupportedLanguages,
 226            mPs2KeyboardDriverNameTable,
 227            DriverName,
 228            (BOOLEAN)(This == &gPs2KeyboardComponentName)
 229            );
 230 }
 231
 232 /**
 233   Retrieves a Unicode string that is the user readable name of the controller
 234   that is being managed by a driver.
 235
 236   This function retrieves the user readable name of the controller specified by
 237   ControllerHandle and ChildHandle in the form of a Unicode string. If the
 238   driver specified by This has a user readable name in the language specified by
 239   Language, then a pointer to the controller name is returned in ControllerName,
 240   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
 241   managing the controller specified by ControllerHandle and ChildHandle,
 242   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
 243   support the language specified by Language, then EFI_UNSUPPORTED is returned.
 244
 245   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
 246                                 EFI_COMPONENT_NAME_PROTOCOL instance.
 247
 248   @param  ControllerHandle[in]  The handle of a controller that the driver
 249                                 specified by This is managing.  This handle
 250                                 specifies the controller whose name is to be
 251                                 returned.
 252
 253   @param  ChildHandle[in]       The handle of the child controller to retrieve
 254                                 the name of.  This is an optional parameter that
 255                                 may be NULL.  It will be NULL for device
 256                                 drivers.  It will also be NULL for a bus drivers
 257                                 that wish to retrieve the name of the bus
 258                                 controller.  It will not be NULL for a bus
 259                                 driver that wishes to retrieve the name of a
 260                                 child controller.
 261
 262   @param  Language[in]          A pointer to a Null-terminated ASCII string
 263                                 array indicating the language.  This is the
 264                                 language of the driver name that the caller is
 265                                 requesting, and it must match one of the
 266                                 languages specified in SupportedLanguages. The
 267                                 number of languages supported by a driver is up
 268                                 to the driver writer. Language is specified in
 269                                 RFC 3066 or ISO 639-2 language code format.
 270
 271   @param  ControllerName[out]   A pointer to the Unicode string to return.
 272                                 This Unicode string is the name of the
 273                                 controller specified by ControllerHandle and
 274                                 ChildHandle in the language specified by
 275                                 Language from the point of view of the driver
 276                                 specified by This.
 277
 278   @retval EFI_SUCCESS           The Unicode string for the user readable name in
 279                                 the language specified by Language for the
 280                                 driver specified by This was returned in
 281                                 DriverName.
 282
 283   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
 284
 285   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
 286                                 EFI_HANDLE.
 287
 288   @retval EFI_INVALID_PARAMETER Language is NULL.
 289
 290   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
 291
 292   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
 293                                 managing the controller specified by
 294                                 ControllerHandle and ChildHandle.
 295
 296   @retval EFI_UNSUPPORTED       The driver specified by This does not support
 297                                 the language specified by Language.
 298
 299 **/
 300 EFI_STATUS
 301 EFIAPI
 302 Ps2KeyboardComponentNameGetControllerName (
 303   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 304   IN  EFI_HANDLE                                      ControllerHandle,
 305   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 306   IN  CHAR8                                           *Language,
 307   OUT CHAR16                                          **ControllerName
 308   )
 309 {
 310   EFI_STATUS                                  Status;
 311   EFI_SIMPLE_TEXT_INPUT_PROTOCOL              *ConIn;
 312   KEYBOARD_CONSOLE_IN_DEV                     *ConsoleIn;
 313   EFI_ISA_IO_PROTOCOL                         *IsaIoProtocol;
 314
 315   //
 316   // This is a device driver, so ChildHandle must be NULL.
 317   //
 318   if (ChildHandle != NULL) {
 319     return EFI_UNSUPPORTED;
 320   }
 321   //
 322   // Check Controller's handle
 323   //
 324   Status = gBS->OpenProtocol (
 325                   ControllerHandle,
 326                   &gEfiIsaIoProtocolGuid,
 327                   (VOID **) &IsaIoProtocol,
 328                   gKeyboardControllerDriver.DriverBindingHandle,
 329                   ControllerHandle,
 330                   EFI_OPEN_PROTOCOL_BY_DRIVER
 331                   );
 332
 333   if (!EFI_ERROR (Status)) {
 334     gBS->CloseProtocol (
 335            ControllerHandle,
 336            &gEfiIsaIoProtocolGuid,
 337            gKeyboardControllerDriver.DriverBindingHandle,
 338            ControllerHandle
 339            );
 340
 341     return EFI_UNSUPPORTED;
 342   }
 343
 344   if (Status != EFI_ALREADY_STARTED) {
 345     return EFI_UNSUPPORTED;
 346   }
 347   //
 348   // Get the device context
 349   //
 350   Status = gBS->OpenProtocol (
 351                   ControllerHandle,
 352                   &gEfiSimpleTextInProtocolGuid,
 353                   (VOID **) &ConIn,
 354                   gKeyboardControllerDriver.DriverBindingHandle,
 355                   ControllerHandle,
 356                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
 357                   );
 358   if (EFI_ERROR (Status)) {
 359     return Status;
 360   }
 361
 362   ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
 363
 364   return LookupUnicodeString2 (
 365            Language,
 366            This->SupportedLanguages,
 367            ConsoleIn->ControllerNameTable,
 368            ControllerName,
 369            (BOOLEAN)(This == &gPs2KeyboardComponentName)
 370            );
 371 }