1 /** @file 2 UEFI Component Name(2) protocol implementation for SdDxe driver. 3 4 Copyright (c) 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 "SdDxe.h" 16 17 // 18 // Driver name table 19 // 20 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSdDxeDriverNameTable[] = { 21 { "eng;en", L"Edkii Sd Memory Card Device Driver" }, 22 { NULL , NULL } 23 }; 24 25 // 26 // Controller name table 27 // 28 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSdDxeControllerNameTable[] = { 29 { "eng;en", L"Edkii Sd Host Controller" }, 30 { NULL , NULL } 31 }; 32 33 // 34 // EFI Component Name Protocol 35 // 36 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gSdDxeComponentName = { 37 SdDxeComponentNameGetDriverName, 38 SdDxeComponentNameGetControllerName, 39 "eng" 40 }; 41 42 // 43 // EFI Component Name 2 Protocol 44 // 45 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gSdDxeComponentName2 = { 46 (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) SdDxeComponentNameGetDriverName, 47 (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) SdDxeComponentNameGetControllerName, 48 "en" 49 }; 50 51 /** 52 Retrieves a Unicode string that is the user readable name of the driver. 53 54 This function retrieves the user readable name of a driver in the form of a 55 Unicode string. If the driver specified by This has a user readable name in 56 the language specified by Language, then a pointer to the driver name is 57 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified 58 by This does not support the language specified by Language, 59 then EFI_UNSUPPORTED is returned. 60 61 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or 62 EFI_COMPONENT_NAME_PROTOCOL instance. 63 64 @param Language[in] A pointer to a Null-terminated ASCII string 65 array indicating the language. This is the 66 language of the driver name that the caller is 67 requesting, and it must match one of the 68 languages specified in SupportedLanguages. The 69 number of languages supported by a driver is up 70 to the driver writer. Language is specified 71 in RFC 4646 or ISO 639-2 language code format. 72 73 @param DriverName[out] A pointer to the Unicode string to return. 74 This Unicode string is the name of the 75 driver specified by This in the language 76 specified by Language. 77 78 @retval EFI_SUCCESS The Unicode string for the Driver specified by 79 This and the language specified by Language was 80 returned in DriverName. 81 82 @retval EFI_INVALID_PARAMETER Language is NULL. 83 84 @retval EFI_INVALID_PARAMETER DriverName is NULL. 85 86 @retval EFI_UNSUPPORTED The driver specified by This does not support 87 the language specified by Language. 88 89 **/ 90 EFI_STATUS 91 EFIAPI 92 SdDxeComponentNameGetDriverName ( 93 IN EFI_COMPONENT_NAME_PROTOCOL *This, 94 IN CHAR8 *Language, 95 OUT CHAR16 **DriverName 96 ) 97 { 98 return LookupUnicodeString2 ( 99 Language, 100 This->SupportedLanguages, 101 mSdDxeDriverNameTable, 102 DriverName, 103 (BOOLEAN)(This == &gSdDxeComponentName) 104 ); 105 106 } 107 108 /** 109 Retrieves a Unicode string that is the user readable name of the controller 110 that is being managed by a driver. 111 112 This function retrieves the user readable name of the controller specified by 113 ControllerHandle and ChildHandle in the form of a Unicode string. If the 114 driver specified by This has a user readable name in the language specified by 115 Language, then a pointer to the controller name is returned in ControllerName, 116 and EFI_SUCCESS is returned. If the driver specified by This is not currently 117 managing the controller specified by ControllerHandle and ChildHandle, 118 then EFI_UNSUPPORTED is returned. If the driver specified by This does not 119 support the language specified by Language, then EFI_UNSUPPORTED is returned. 120 121 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or 122 EFI_COMPONENT_NAME_PROTOCOL instance. 123 124 @param ControllerHandle[in] The handle of a controller that the driver 125 specified by This is managing. This handle 126 specifies the controller whose name is to be 127 returned. 128 129 @param ChildHandle[in] The handle of the child controller to retrieve 130 the name of. This is an optional parameter that 131 may be NULL. It will be NULL for device 132 drivers. It will also be NULL for a bus drivers 133 that wish to retrieve the name of the bus 134 controller. It will not be NULL for a bus 135 driver that wishes to retrieve the name of a 136 child controller. 137 138 @param Language[in] A pointer to a Null-terminated ASCII string 139 array indicating the language. This is the 140 language of the driver name that the caller is 141 requesting, and it must match one of the 142 languages specified in SupportedLanguages. The 143 number of languages supported by a driver is up 144 to the driver writer. Language is specified in 145 RFC 4646 or ISO 639-2 language code format. 146 147 @param ControllerName[out] A pointer to the Unicode string to return. 148 This Unicode string is the name of the 149 controller specified by ControllerHandle and 150 ChildHandle in the language specified by 151 Language from the point of view of the driver 152 specified by This. 153 154 @retval EFI_SUCCESS The Unicode string for the user readable name in 155 the language specified by Language for the 156 driver specified by This was returned in 157 DriverName. 158 159 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL. 160 161 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid 162 EFI_HANDLE. 163 164 @retval EFI_INVALID_PARAMETER Language is NULL. 165 166 @retval EFI_INVALID_PARAMETER ControllerName is NULL. 167 168 @retval EFI_UNSUPPORTED The driver specified by This is not currently 169 managing the controller specified by 170 ControllerHandle and ChildHandle. 171 172 @retval EFI_UNSUPPORTED The driver specified by This does not support 173 the language specified by Language. 174 175 **/ 176 EFI_STATUS 177 EFIAPI 178 SdDxeComponentNameGetControllerName ( 179 IN EFI_COMPONENT_NAME_PROTOCOL *This, 180 IN EFI_HANDLE ControllerHandle, 181 IN EFI_HANDLE ChildHandle OPTIONAL, 182 IN CHAR8 *Language, 183 OUT CHAR16 **ControllerName 184 ) 185 { 186 EFI_STATUS Status; 187 EFI_BLOCK_IO_PROTOCOL *BlockIo; 188 SD_DEVICE *Device; 189 EFI_UNICODE_STRING_TABLE *ControllerNameTable; 190 191 // 192 // Make sure this driver is currently managing ControllHandle 193 // 194 Status = EfiTestManagedDevice ( 195 ControllerHandle, 196 gSdDxeDriverBinding.DriverBindingHandle, 197 &gEfiSdMmcPassThruProtocolGuid 198 ); 199 if (EFI_ERROR (Status)) { 200 return Status; 201 } 202 203 ControllerNameTable = mSdDxeControllerNameTable; 204 if (ChildHandle != NULL) { 205 Status = EfiTestChildHandle ( 206 ControllerHandle, 207 ChildHandle, 208 &gEfiSdMmcPassThruProtocolGuid 209 ); 210 if (EFI_ERROR (Status)) { 211 return Status; 212 } 213 // 214 // Get the child context 215 // 216 Status = gBS->OpenProtocol ( 217 ChildHandle, 218 &gEfiBlockIoProtocolGuid, 219 (VOID **) &BlockIo, 220 gSdDxeDriverBinding.DriverBindingHandle, 221 ChildHandle, 222 EFI_OPEN_PROTOCOL_GET_PROTOCOL 223 ); 224 if (EFI_ERROR (Status)) { 225 return EFI_UNSUPPORTED; 226 } 227 228 Device = SD_DEVICE_DATA_FROM_BLKIO (BlockIo); 229 ControllerNameTable = Device->ControllerNameTable; 230 } 231 232 return LookupUnicodeString2 ( 233 Language, 234 This->SupportedLanguages, 235 ControllerNameTable, 236 ControllerName, 237 (BOOLEAN)(This == &gSdDxeComponentName) 238 ); 239 } 240 241
