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ed72955c 1/** @file\r
2 Copyright (c) 2006, Intel Corporation \r
3 All rights reserved. This program and the accompanying materials \r
4 are licensed and made available under the terms and conditions of the BSD License \r
5 which accompanies this distribution. The full text of the license may be found at \r
6 http://opensource.org/licenses/bsd-license.php \r
878ddf1f 7\r
ed72955c 8 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
9 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
878ddf1f 10\r
ed72955c 11**/\r
878ddf1f 12\r
13#include "CirrusLogic5430.h"\r
14\r
15//\r
16// EFI Component Name Functions\r
17//\r
18EFI_STATUS\r
19EFIAPI\r
20CirrusLogic5430ComponentNameGetDriverName (\r
21 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
22 IN CHAR8 *Language,\r
23 OUT CHAR16 **DriverName\r
24 );\r
25\r
26EFI_STATUS\r
27EFIAPI\r
28CirrusLogic5430ComponentNameGetControllerName (\r
29 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
30 IN EFI_HANDLE ControllerHandle,\r
31 IN EFI_HANDLE ChildHandle OPTIONAL,\r
32 IN CHAR8 *Language,\r
33 OUT CHAR16 **ControllerName\r
34 );\r
35\r
36//\r
37// EFI Component Name Protocol\r
38//\r
39EFI_COMPONENT_NAME_PROTOCOL gCirrusLogic5430ComponentName = {\r
40 CirrusLogic5430ComponentNameGetDriverName,\r
41 CirrusLogic5430ComponentNameGetControllerName,\r
42 "eng"\r
43};\r
44\r
45static EFI_UNICODE_STRING_TABLE mCirrusLogic5430DriverNameTable[] = {\r
46 { "eng", (CHAR16 *) L"Cirrus Logic 5430 UGA Driver" },\r
47 { NULL , NULL }\r
48};\r
49\r
50static EFI_UNICODE_STRING_TABLE mCirrusLogic5430ControllerNameTable[] = {\r
51 { "eng", (CHAR16 *) L"Cirrus Logic 5430 PCI Adapter" },\r
52 { NULL , NULL }\r
53};\r
54\r
ed72955c 55/**\r
56 Retrieves a Unicode string that is the user readable name of the EFI Driver.\r
57\r
58 @param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.\r
59 @param Language A pointer to a three character ISO 639-2 language identifier.\r
60 This is the language of the driver name that that the caller\r
61 is requesting, and it must match one of the languages specified\r
62 in SupportedLanguages. The number of languages supported by a\r
63 driver is up to the driver writer.\r
64 @param DriverName A pointer to the Unicode string to return. This Unicode string\r
65 is the name of the driver specified by This in the language\r
66 specified by Language.\r
67\r
68 @retval EFI_SUCCESS The Unicode string for the Driver specified by This\r
69 and the language specified by Language was returned\r
70 in DriverName.\r
71 @retval EFI_INVALID_PARAMETER Language is NULL.\r
72 @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
73 @retval EFI_UNSUPPORTED The driver specified by This does not support the\r
74 language specified by Language.\r
75\r
76**/\r
878ddf1f 77EFI_STATUS\r
78EFIAPI\r
79CirrusLogic5430ComponentNameGetDriverName (\r
80 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
81 IN CHAR8 *Language,\r
82 OUT CHAR16 **DriverName\r
83 )\r
878ddf1f 84{\r
85 return LookupUnicodeString (\r
86 Language,\r
87 gCirrusLogic5430ComponentName.SupportedLanguages,\r
88 mCirrusLogic5430DriverNameTable,\r
89 DriverName\r
90 );\r
91}\r
92\r
ed72955c 93/**\r
94 Retrieves a Unicode string that is the user readable name of the controller\r
95 that is being managed by an EFI Driver.\r
96\r
97 @param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.\r
98 @param ControllerHandle The handle of a controller that the driver specified by\r
99 This is managing. This handle specifies the controller\r
100 whose name is to be returned.\r
101 @param ChildHandle The handle of the child controller to retrieve the name\r
102 of. This is an optional parameter that may be NULL. It\r
103 will be NULL for device drivers. It will also be NULL\r
104 for a bus drivers that wish to retrieve the name of the\r
105 bus controller. It will not be NULL for a bus driver\r
106 that wishes to retrieve the name of a child controller.\r
107 @param Language A pointer to a three character ISO 639-2 language\r
108 identifier. This is the language of the controller name\r
109 that that the caller is requesting, and it must match one\r
110 of the languages specified in SupportedLanguages. The\r
111 number of languages supported by a driver is up to the\r
112 driver writer.\r
113 @param ControllerName A pointer to the Unicode string to return. This Unicode\r
114 string is the name of the controller specified by\r
115 ControllerHandle and ChildHandle in the language specified\r
116 by Language from the point of view of the driver specified\r
117 by This.\r
118\r
119 @retval EFI_SUCCESS The Unicode string for the user readable name in the\r
120 language specified by Language for the driver\r
121 specified by This was returned in DriverName.\r
122 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
123 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.\r
124 @retval EFI_INVALID_PARAMETER Language is NULL.\r
125 @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
126 @retval EFI_UNSUPPORTED The driver specified by This is not currently managing\r
127 the controller specified by ControllerHandle and\r
128 ChildHandle.\r
129 @retval EFI_UNSUPPORTED The driver specified by This does not support the\r
130 language specified by Language.\r
131\r
132**/\r
878ddf1f 133EFI_STATUS\r
134EFIAPI\r
135CirrusLogic5430ComponentNameGetControllerName (\r
136 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
137 IN EFI_HANDLE ControllerHandle,\r
138 IN EFI_HANDLE ChildHandle OPTIONAL,\r
139 IN CHAR8 *Language,\r
140 OUT CHAR16 **ControllerName\r
141 )\r
878ddf1f 142{\r
143 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
144 EFI_STATUS Status;\r
145 CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;\r
146 EFI_PCI_IO_PROTOCOL *PciIoProtocol;\r
147\r
148 //\r
149 // This is a device driver, so ChildHandle must be NULL.\r
150 //\r
151 if (ChildHandle != NULL) {\r
152 return EFI_UNSUPPORTED;\r
153 }\r
154\r
155 //\r
156 // Check Controller's handle\r
157 //\r
158 Status = gBS->OpenProtocol (\r
159 ControllerHandle,\r
160 &gEfiPciIoProtocolGuid,\r
161 (VOID **) &PciIoProtocol,\r
162 gCirrusLogic5430DriverBinding.DriverBindingHandle,\r
163 ControllerHandle,\r
164 EFI_OPEN_PROTOCOL_BY_DRIVER\r
165 );\r
166 if (!EFI_ERROR (Status)) {\r
167 gBS->CloseProtocol (\r
168 ControllerHandle,\r
169 &gEfiPciIoProtocolGuid,\r
170 gCirrusLogic5430DriverBinding.DriverBindingHandle,\r
171 ControllerHandle\r
172 );\r
173\r
174 return EFI_UNSUPPORTED;\r
175 }\r
176\r
177 if (Status != EFI_ALREADY_STARTED) {\r
178 return EFI_UNSUPPORTED;\r
179 }\r
180\r
181 //\r
182 // Get the UGA Draw Protocol on Controller\r
183 //\r
184 Status = gBS->OpenProtocol (\r
185 ControllerHandle,\r
186 &gEfiUgaDrawProtocolGuid,\r
187 (VOID **) &UgaDraw,\r
188 gCirrusLogic5430DriverBinding.DriverBindingHandle,\r
189 ControllerHandle,\r
190 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
191 );\r
192 if (EFI_ERROR (Status)) {\r
193 return Status;\r
194 }\r
195\r
196 //\r
197 // Get the Cirrus Logic 5430's Device structure\r
198 //\r
199 Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (UgaDraw);\r
200\r
201 return LookupUnicodeString (\r
202 Language,\r
203 gCirrusLogic5430ComponentName.SupportedLanguages,\r
204 mCirrusLogic5430ControllerNameTable,\r
205 ControllerName\r
206 );\r
207}\r