1 /** @file 2 Component name for the QEMU video controller. 3 4 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> 5 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 #include "Qemu.h" 17 18 // 19 // EFI Component Name Protocol 20 // 21 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName = { 22 QemuVideoComponentNameGetDriverName, 23 QemuVideoComponentNameGetControllerName, 24 "eng" 25 }; 26 27 // 28 // EFI Component Name 2 Protocol 29 // 30 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2 = { 31 (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) QemuVideoComponentNameGetDriverName, 32 (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) QemuVideoComponentNameGetControllerName, 33 "en" 34 }; 35 36 37 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mQemuVideoDriverNameTable[] = { 38 { "eng;en", L"QEMU Video Driver" }, 39 { NULL , NULL } 40 }; 41 42 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mQemuVideoControllerNameTable[] = { 43 { "eng;en", L"QEMU Video PCI Adapter" }, 44 { NULL , NULL } 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 This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or 58 EFI_COMPONENT_NAME_PROTOCOL instance. 59 60 @param Language[in] A pointer to a Null-terminated ASCII string 61 array indicating the language. This is the 62 language of the driver name that the caller is 63 requesting, and it must match one of the 64 languages specified in SupportedLanguages. The 65 number of languages supported by a driver is up 66 to the driver writer. Language is specified 67 in RFC 4646 or ISO 639-2 language code format. 68 69 @param DriverName[out] A pointer to the Unicode string to return. 70 This Unicode string is the name of the 71 driver specified by This in the language 72 specified by Language. 73 74 @retval EFI_SUCCESS The Unicode string for the Driver specified by 75 This and the language specified by Language was 76 returned in DriverName. 77 78 @retval EFI_INVALID_PARAMETER Language is NULL. 79 80 @retval EFI_INVALID_PARAMETER DriverName is NULL. 81 82 @retval EFI_UNSUPPORTED The driver specified by This does not support 83 the language specified by Language. 84 85 **/ 86 EFI_STATUS 87 EFIAPI 88 QemuVideoComponentNameGetDriverName ( 89 IN EFI_COMPONENT_NAME_PROTOCOL *This, 90 IN CHAR8 *Language, 91 OUT CHAR16 **DriverName 92 ) 93 { 94 return LookupUnicodeString2 ( 95 Language, 96 This->SupportedLanguages, 97 mQemuVideoDriverNameTable, 98 DriverName, 99 (BOOLEAN)(This == &gQemuVideoComponentName) 100 ); 101 } 102 103 /** 104 Retrieves a Unicode string that is the user readable name of the controller 105 that is being managed by a driver. 106 107 This function retrieves the user readable name of the controller specified by 108 ControllerHandle and ChildHandle in the form of a Unicode string. If the 109 driver specified by This has a user readable name in the language specified by 110 Language, then a pointer to the controller name is returned in ControllerName, 111 and EFI_SUCCESS is returned. If the driver specified by This is not currently 112 managing the controller specified by ControllerHandle and ChildHandle, 113 then EFI_UNSUPPORTED is returned. If the driver specified by This does not 114 support the language specified by Language, then EFI_UNSUPPORTED is returned. 115 116 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or 117 EFI_COMPONENT_NAME_PROTOCOL instance. 118 119 @param ControllerHandle[in] The handle of a controller that the driver 120 specified by This is managing. This handle 121 specifies the controller whose name is to be 122 returned. 123 124 @param ChildHandle[in] The handle of the child controller to retrieve 125 the name of. This is an optional parameter that 126 may be NULL. It will be NULL for device 127 drivers. It will also be NULL for a bus drivers 128 that wish to retrieve the name of the bus 129 controller. It will not be NULL for a bus 130 driver that wishes to retrieve the name of a 131 child controller. 132 133 @param Language[in] A pointer to a Null-terminated ASCII string 134 array indicating the language. This is the 135 language of the driver name that the caller is 136 requesting, and it must match one of the 137 languages specified in SupportedLanguages. The 138 number of languages supported by a driver is up 139 to the driver writer. Language is specified in 140 RFC 4646 or ISO 639-2 language code format. 141 142 @param ControllerName[out] A pointer to the Unicode string to return. 143 This Unicode string is the name of the 144 controller specified by ControllerHandle and 145 ChildHandle in the language specified by 146 Language from the point of view of the driver 147 specified by This. 148 149 @retval EFI_SUCCESS The Unicode string for the user readable name in 150 the language specified by Language for the 151 driver specified by This was returned in 152 DriverName. 153 154 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE. 155 156 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid 157 EFI_HANDLE. 158 159 @retval EFI_INVALID_PARAMETER Language is NULL. 160 161 @retval EFI_INVALID_PARAMETER ControllerName is NULL. 162 163 @retval EFI_UNSUPPORTED The driver specified by This is not currently 164 managing the controller specified by 165 ControllerHandle and ChildHandle. 166 167 @retval EFI_UNSUPPORTED The driver specified by This does not support 168 the language specified by Language. 169 170 **/ 171 EFI_STATUS 172 EFIAPI 173 QemuVideoComponentNameGetControllerName ( 174 IN EFI_COMPONENT_NAME_PROTOCOL *This, 175 IN EFI_HANDLE ControllerHandle, 176 IN EFI_HANDLE ChildHandle OPTIONAL, 177 IN CHAR8 *Language, 178 OUT CHAR16 **ControllerName 179 ) 180 { 181 EFI_STATUS Status; 182 183 // 184 // This is a device driver, so ChildHandle must be NULL. 185 // 186 if (ChildHandle != NULL) { 187 return EFI_UNSUPPORTED; 188 } 189 190 // 191 // Make sure this driver is currently managing ControllHandle 192 // 193 Status = EfiTestManagedDevice ( 194 ControllerHandle, 195 gQemuVideoDriverBinding.DriverBindingHandle, 196 &gEfiPciIoProtocolGuid 197 ); 198 if (EFI_ERROR (Status)) { 199 return Status; 200 } 201 202 // 203 // Get the QEMU Video's Device structure 204 // 205 return LookupUnicodeString2 ( 206 Language, 207 This->SupportedLanguages, 208 mQemuVideoControllerNameTable, 209 ControllerName, 210 (BOOLEAN)(This == &gQemuVideoComponentName) 211 ); 212 } 213
