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      1 /** @file
      2   UEFI Component Name(2) protocol implementation for Isa Floppy driver.
      3 
      4 Copyright (c) 2006 - 2015, 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 #include "IsaFloppy.h"
     16 
     17 //
     18 // EFI Component Name Protocol
     19 //
     20 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gIsaFloppyComponentName = {
     21   IsaFloppyComponentNameGetDriverName,
     22   IsaFloppyComponentNameGetControllerName,
     23   "eng"
     24 };
     25 
     26 //
     27 // EFI Component Name 2 Protocol
     28 //
     29 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gIsaFloppyComponentName2 = {
     30   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) IsaFloppyComponentNameGetDriverName,
     31   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) IsaFloppyComponentNameGetControllerName,
     32   "en"
     33 };
     34 
     35 
     36 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mIsaFloppyDriverNameTable[] = {
     37   {
     38     "eng;en",
     39     L"ISA Floppy Driver"
     40   },
     41   {
     42     NULL,
     43     NULL
     44   }
     45 };
     46 
     47 /**
     48   Retrieves a Unicode string that is the user readable name of the driver.
     49 
     50   This function retrieves the user readable name of a driver in the form of a
     51   Unicode string. If the driver specified by This has a user readable name in
     52   the language specified by Language, then a pointer to the driver name is
     53   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
     54   by This does not support the language specified by Language,
     55   then EFI_UNSUPPORTED is returned.
     56 
     57   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
     58                                 EFI_COMPONENT_NAME_PROTOCOL instance.
     59   @param[in]  Language          A pointer to a Null-terminated ASCII string
     60                                 array indicating the language. This is the
     61                                 language of the driver name that the caller is
     62                                 requesting, and it must match one of the
     63                                 languages specified in SupportedLanguages. The
     64                                 number of languages supported by a driver is up
     65                                 to the driver writer. Language is specified
     66                                 in RFC 4646 or ISO 639-2 language code format.
     67   @param[out]  DriverName       A pointer to the Unicode string to return.
     68                                 This Unicode string is the name of the
     69                                 driver specified by This in the language
     70                                 specified by Language.
     71   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
     72                                 This and the language specified by Language was
     73                                 returned in DriverName.
     74 
     75   @retval EFI_INVALID_PARAMETER Language is NULL.
     76   @retval EFI_INVALID_PARAMETER DriverName is NULL.
     77   @retval EFI_UNSUPPORTED       The driver specified by This does not support
     78                                 the language specified by Language.
     79 **/
     80 EFI_STATUS
     81 EFIAPI
     82 IsaFloppyComponentNameGetDriverName (
     83   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
     84   IN  CHAR8                        *Language,
     85   OUT CHAR16                       **DriverName
     86   )
     87 {
     88   return LookupUnicodeString2 (
     89            Language,
     90            This->SupportedLanguages,
     91            mIsaFloppyDriverNameTable,
     92            DriverName,
     93            (BOOLEAN)(This == &gIsaFloppyComponentName)
     94            );
     95 }
     96 
     97 /**
     98   Retrieves a Unicode string that is the user readable name of the controller
     99   that is being managed by a driver.
    100 
    101   This function retrieves the user readable name of the controller specified by
    102   ControllerHandle and ChildHandle in the form of a Unicode string. If the
    103   driver specified by This has a user readable name in the language specified by
    104   Language, then a pointer to the controller name is returned in ControllerName,
    105   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
    106   managing the controller specified by ControllerHandle and ChildHandle,
    107   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
    108   support the language specified by Language, then EFI_UNSUPPORTED is returned.
    109 
    110   @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
    111                                 EFI_COMPONENT_NAME_PROTOCOL instance.
    112   @param[in]  ControllerHandle  The handle of a controller that the driver
    113                                 specified by This is managing.  This handle
    114                                 specifies the controller whose name is to be
    115                                 returned.
    116   @param[in]  ChildHandle       The handle of the child controller to retrieve
    117                                 the name of.  This is an optional parameter that
    118                                 may be NULL.  It will be NULL for device
    119                                 drivers.  It will also be NULL for a bus drivers
    120                                 that wish to retrieve the name of the bus
    121                                 controller.  It will not be NULL for a bus
    122                                 driver that wishes to retrieve the name of a
    123                                 child controller.
    124   @param[in]  Language          A pointer to a Null-terminated ASCII string
    125                                 array indicating the language.  This is the
    126                                 language of the driver name that the caller is
    127                                 requesting, and it must match one of the
    128                                 languages specified in SupportedLanguages. The
    129                                 number of languages supported by a driver is up
    130                                 to the driver writer. Language is specified in
    131                                 RFC 4646 or ISO 639-2 language code format.
    132   @param[out]  ControllerName   A pointer to the Unicode string to return.
    133                                 This Unicode string is the name of the
    134                                 controller specified by ControllerHandle and
    135                                 ChildHandle in the language specified by
    136                                 Language from the point of view of the driver
    137                                 specified by This.
    138 
    139   @retval EFI_SUCCESS           The Unicode string for the user readable name in
    140                                 the language specified by Language for the
    141                                 driver specified by This was returned in
    142                                 DriverName.
    143   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
    144   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
    145                                 EFI_HANDLE.
    146   @retval EFI_INVALID_PARAMETER Language is NULL.
    147   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
    148   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
    149                                 managing the controller specified by
    150                                 ControllerHandle and ChildHandle.
    151   @retval EFI_UNSUPPORTED       The driver specified by This does not support
    152                                 the language specified by Language.
    153 **/
    154 EFI_STATUS
    155 EFIAPI
    156 IsaFloppyComponentNameGetControllerName (
    157   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
    158   IN  EFI_HANDLE                   ControllerHandle,
    159   IN  EFI_HANDLE                   ChildHandle  OPTIONAL,
    160   IN  CHAR8                        *Language,
    161   OUT CHAR16                       **ControllerName
    162   )
    163 {
    164   EFI_STATUS             Status;
    165   EFI_BLOCK_IO_PROTOCOL  *BlkIo;
    166   FDC_BLK_IO_DEV         *FdcDev;
    167 
    168   if (Language == NULL || ControllerName == NULL) {
    169     return EFI_INVALID_PARAMETER;
    170   }
    171   //
    172   // This is a device driver, so ChildHandle must be NULL.
    173   //
    174   if (ChildHandle != NULL) {
    175     return EFI_UNSUPPORTED;
    176   }
    177 
    178   //
    179   // Check if this driver is currently managing ControllerHandle
    180   //
    181   Status = EfiTestManagedDevice (
    182              ControllerHandle,
    183              gFdcControllerDriver.DriverBindingHandle,
    184              &gEfiIsaIoProtocolGuid
    185              );
    186   if (EFI_ERROR (Status)) {
    187     return Status;
    188   }
    189 
    190   //
    191   // Get the device context
    192   //
    193   Status = gBS->OpenProtocol (
    194                   ControllerHandle,
    195                   &gEfiBlockIoProtocolGuid,
    196                   (VOID **) &BlkIo,
    197                   gFdcControllerDriver.DriverBindingHandle,
    198                   ControllerHandle,
    199                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
    200                   );
    201   if (EFI_ERROR (Status)) {
    202     return Status;
    203   }
    204 
    205   FdcDev = FDD_BLK_IO_FROM_THIS (BlkIo);
    206 
    207   return LookupUnicodeString2 (
    208            Language,
    209            This->SupportedLanguages,
    210            FdcDev->ControllerNameTable,
    211            ControllerName,
    212            (BOOLEAN)(This == &gIsaFloppyComponentName)
    213            );
    214 }
    215 
    216 /**
    217   Add the component name for the floppy device
    218 
    219   @param[in]  FdcDev  A pointer to the FDC_BLK_IO_DEV instance.
    220 
    221 **/
    222 VOID
    223 AddName (
    224   IN  FDC_BLK_IO_DEV  *FdcDev
    225   )
    226 {
    227   CHAR16  FloppyDriveName[FLOPPY_DRIVE_NAME_LEN + 1];
    228 
    229   if (!(FeaturePcdGet(PcdComponentNameDisable) && FeaturePcdGet(PcdComponentName2Disable))) {
    230     StrCpyS (FloppyDriveName, FLOPPY_DRIVE_NAME_LEN + 1, FLOPPY_DRIVE_NAME);
    231     FloppyDriveName[FLOPPY_DRIVE_NAME_LEN - 1] = (CHAR16) (L'0' + FdcDev->Disk);
    232 
    233     AddUnicodeString2 (
    234       "eng",
    235       gIsaFloppyComponentName.SupportedLanguages,
    236       &FdcDev->ControllerNameTable,
    237       FloppyDriveName,
    238       TRUE
    239       );
    240     AddUnicodeString2 (
    241       "en",
    242       gIsaFloppyComponentName2.SupportedLanguages,
    243       &FdcDev->ControllerNameTable,
    244       FloppyDriveName,
    245       FALSE
    246       );
    247   }
    248 }
    249 
    250