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      1 /** @file
      2 
      3   UEFI Component Name(2) protocol implementation for Usb Bus driver.
      4 
      5 Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
      6 This program and the accompanying materials
      7 are licensed and made available under the terms and conditions of the BSD License
      8 which accompanies this distribution.  The full text of the license may be found at
      9 http://opensource.org/licenses/bsd-license.php
     10 
     11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14 **/
     15 
     16 
     17 #include <Uefi.h>
     18 
     19 
     20 #include <Library/UefiLib.h>
     21 
     22 
     23 /**
     24   Retrieves a Unicode string that is the user readable name of the driver.
     25 
     26   This function retrieves the user readable name of a driver in the form of a
     27   Unicode string. If the driver specified by This has a user readable name in
     28   the language specified by Language, then a pointer to the driver name is
     29   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
     30   by This does not support the language specified by Language,
     31   then EFI_UNSUPPORTED is returned.
     32 
     33   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
     34                                 EFI_COMPONENT_NAME_PROTOCOL instance.
     35 
     36   @param  Language[in]          A pointer to a Null-terminated ASCII string
     37                                 array indicating the language. This is the
     38                                 language of the driver name that the caller is
     39                                 requesting, and it must match one of the
     40                                 languages specified in SupportedLanguages. The
     41                                 number of languages supported by a driver is up
     42                                 to the driver writer. Language is specified
     43                                 in RFC 4646 or ISO 639-2 language code format.
     44 
     45   @param  DriverName[out]       A pointer to the Unicode string to return.
     46                                 This Unicode string is the name of the
     47                                 driver specified by This in the language
     48                                 specified by Language.
     49 
     50   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
     51                                 This and the language specified by Language was
     52                                 returned in DriverName.
     53 
     54   @retval EFI_INVALID_PARAMETER Language is NULL.
     55 
     56   @retval EFI_INVALID_PARAMETER DriverName is NULL.
     57 
     58   @retval EFI_UNSUPPORTED       The driver specified by This does not support
     59                                 the language specified by Language.
     60 
     61 **/
     62 EFI_STATUS
     63 EFIAPI
     64 UsbBusComponentNameGetDriverName (
     65   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
     66   IN  CHAR8                        *Language,
     67   OUT CHAR16                       **DriverName
     68   );
     69 
     70 
     71 /**
     72   Retrieves a Unicode string that is the user readable name of the controller
     73   that is being managed by a driver.
     74 
     75   This function retrieves the user readable name of the controller specified by
     76   ControllerHandle and ChildHandle in the form of a Unicode string. If the
     77   driver specified by This has a user readable name in the language specified by
     78   Language, then a pointer to the controller name is returned in ControllerName,
     79   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
     80   managing the controller specified by ControllerHandle and ChildHandle,
     81   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
     82   support the language specified by Language, then EFI_UNSUPPORTED is returned.
     83 
     84   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
     85                                 EFI_COMPONENT_NAME_PROTOCOL instance.
     86 
     87   @param  ControllerHandle[in]  The handle of a controller that the driver
     88                                 specified by This is managing.  This handle
     89                                 specifies the controller whose name is to be
     90                                 returned.
     91 
     92   @param  ChildHandle[in]       The handle of the child controller to retrieve
     93                                 the name of.  This is an optional parameter that
     94                                 may be NULL.  It will be NULL for device
     95                                 drivers.  It will also be NULL for a bus drivers
     96                                 that wish to retrieve the name of the bus
     97                                 controller.  It will not be NULL for a bus
     98                                 driver that wishes to retrieve the name of a
     99                                 child controller.
    100 
    101   @param  Language[in]          A pointer to a Null-terminated ASCII string
    102                                 array indicating the language.  This is the
    103                                 language of the driver name that the caller is
    104                                 requesting, and it must match one of the
    105                                 languages specified in SupportedLanguages. The
    106                                 number of languages supported by a driver is up
    107                                 to the driver writer. Language is specified in
    108                                 RFC 4646 or ISO 639-2 language code format.
    109 
    110   @param  ControllerName[out]   A pointer to the Unicode string to return.
    111                                 This Unicode string is the name of the
    112                                 controller specified by ControllerHandle and
    113                                 ChildHandle in the language specified by
    114                                 Language from the point of view of the driver
    115                                 specified by This.
    116 
    117   @retval EFI_SUCCESS           The Unicode string for the user readable name in
    118                                 the language specified by Language for the
    119                                 driver specified by This was returned in
    120                                 DriverName.
    121 
    122   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
    123 
    124   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
    125                                 EFI_HANDLE.
    126 
    127   @retval EFI_INVALID_PARAMETER Language is NULL.
    128 
    129   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
    130 
    131   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
    132                                 managing the controller specified by
    133                                 ControllerHandle and ChildHandle.
    134 
    135   @retval EFI_UNSUPPORTED       The driver specified by This does not support
    136                                 the language specified by Language.
    137 
    138 **/
    139 EFI_STATUS
    140 EFIAPI
    141 UsbBusComponentNameGetControllerName (
    142   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
    143   IN  EFI_HANDLE                                      ControllerHandle,
    144   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
    145   IN  CHAR8                                           *Language,
    146   OUT CHAR16                                          **ControllerName
    147   );
    148 
    149 
    150 //
    151 // EFI Component Name Protocol
    152 //
    153 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  mUsbBusComponentName = {
    154   UsbBusComponentNameGetDriverName,
    155   UsbBusComponentNameGetControllerName,
    156   "eng"
    157 };
    158 
    159 //
    160 // EFI Component Name 2 Protocol
    161 //
    162 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL mUsbBusComponentName2 = {
    163   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) UsbBusComponentNameGetDriverName,
    164   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) UsbBusComponentNameGetControllerName,
    165   "en"
    166 };
    167 
    168 
    169 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUsbBusDriverNameTable[] = {
    170   { "eng;en", L"Usb Bus Driver" },
    171   { NULL , NULL }
    172 };
    173 
    174 /**
    175   Retrieves a Unicode string that is the user readable name of the driver.
    176 
    177   This function retrieves the user readable name of a driver in the form of a
    178   Unicode string. If the driver specified by This has a user readable name in
    179   the language specified by Language, then a pointer to the driver name is
    180   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
    181   by This does not support the language specified by Language,
    182   then EFI_UNSUPPORTED is returned.
    183 
    184   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
    185                                 EFI_COMPONENT_NAME_PROTOCOL instance.
    186 
    187   @param  Language[in]          A pointer to a Null-terminated ASCII string
    188                                 array indicating the language. This is the
    189                                 language of the driver name that the caller is
    190                                 requesting, and it must match one of the
    191                                 languages specified in SupportedLanguages. The
    192                                 number of languages supported by a driver is up
    193                                 to the driver writer. Language is specified
    194                                 in RFC 4646 or ISO 639-2 language code format.
    195 
    196   @param  DriverName[out]       A pointer to the Unicode string to return.
    197                                 This Unicode string is the name of the
    198                                 driver specified by This in the language
    199                                 specified by Language.
    200 
    201   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
    202                                 This and the language specified by Language was
    203                                 returned in DriverName.
    204 
    205   @retval EFI_INVALID_PARAMETER Language is NULL.
    206 
    207   @retval EFI_INVALID_PARAMETER DriverName is NULL.
    208 
    209   @retval EFI_UNSUPPORTED       The driver specified by This does not support
    210                                 the language specified by Language.
    211 
    212 **/
    213 EFI_STATUS
    214 EFIAPI
    215 UsbBusComponentNameGetDriverName (
    216   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
    217   IN  CHAR8                        *Language,
    218   OUT CHAR16                       **DriverName
    219   )
    220 {
    221   return LookupUnicodeString2 (
    222            Language,
    223            This->SupportedLanguages,
    224            mUsbBusDriverNameTable,
    225            DriverName,
    226            (BOOLEAN)(This == &mUsbBusComponentName)
    227            );
    228 }
    229 
    230 /**
    231   Retrieves a Unicode string that is the user readable name of the controller
    232   that is being managed by a driver.
    233 
    234   This function retrieves the user readable name of the controller specified by
    235   ControllerHandle and ChildHandle in the form of a Unicode string. If the
    236   driver specified by This has a user readable name in the language specified by
    237   Language, then a pointer to the controller name is returned in ControllerName,
    238   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
    239   managing the controller specified by ControllerHandle and ChildHandle,
    240   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
    241   support the language specified by Language, then EFI_UNSUPPORTED is returned.
    242 
    243   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
    244                                 EFI_COMPONENT_NAME_PROTOCOL instance.
    245 
    246   @param  ControllerHandle[in]  The handle of a controller that the driver
    247                                 specified by This is managing.  This handle
    248                                 specifies the controller whose name is to be
    249                                 returned.
    250 
    251   @param  ChildHandle[in]       The handle of the child controller to retrieve
    252                                 the name of.  This is an optional parameter that
    253                                 may be NULL.  It will be NULL for device
    254                                 drivers.  It will also be NULL for a bus drivers
    255                                 that wish to retrieve the name of the bus
    256                                 controller.  It will not be NULL for a bus
    257                                 driver that wishes to retrieve the name of a
    258                                 child controller.
    259 
    260   @param  Language[in]          A pointer to a Null-terminated ASCII string
    261                                 array indicating the language.  This is the
    262                                 language of the driver name that the caller is
    263                                 requesting, and it must match one of the
    264                                 languages specified in SupportedLanguages. The
    265                                 number of languages supported by a driver is up
    266                                 to the driver writer. Language is specified in
    267                                 RFC 4646 or ISO 639-2 language code format.
    268 
    269   @param  ControllerName[out]   A pointer to the Unicode string to return.
    270                                 This Unicode string is the name of the
    271                                 controller specified by ControllerHandle and
    272                                 ChildHandle in the language specified by
    273                                 Language from the point of view of the driver
    274                                 specified by This.
    275 
    276   @retval EFI_SUCCESS           The Unicode string for the user readable name in
    277                                 the language specified by Language for the
    278                                 driver specified by This was returned in
    279                                 DriverName.
    280 
    281   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
    282 
    283   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
    284                                 EFI_HANDLE.
    285 
    286   @retval EFI_INVALID_PARAMETER Language is NULL.
    287 
    288   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
    289 
    290   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
    291                                 managing the controller specified by
    292                                 ControllerHandle and ChildHandle.
    293 
    294   @retval EFI_UNSUPPORTED       The driver specified by This does not support
    295                                 the language specified by Language.
    296 
    297 **/
    298 EFI_STATUS
    299 EFIAPI
    300 UsbBusComponentNameGetControllerName (
    301   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
    302   IN  EFI_HANDLE                                      ControllerHandle,
    303   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
    304   IN  CHAR8                                           *Language,
    305   OUT CHAR16                                          **ControllerName
    306   )
    307 {
    308   return EFI_UNSUPPORTED;
    309 }
    310