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1 | /** @file\r |
2 | \r | |
3 | The definition for SD media device driver model and blkio protocol routines.\r | |
4 | \r | |
5 | Copyright (c) 2013-2015 Intel Corporation.\r | |
6 | \r | |
7 | This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | \r | |
18 | #include "SDMediaDevice.h"\r | |
19 | \r | |
20 | \r | |
21 | EFI_DRIVER_BINDING_PROTOCOL gSDMediaDeviceDriverBinding = {\r | |
22 | SDMediaDeviceSupported,\r | |
23 | SDMediaDeviceStart,\r | |
24 | SDMediaDeviceStop,\r | |
25 | 0x20,\r | |
26 | NULL,\r | |
27 | NULL\r | |
28 | };\r | |
29 | \r | |
30 | /**\r | |
31 | Entry point for EFI drivers.\r | |
32 | \r | |
33 | @param ImageHandle EFI_HANDLE.\r | |
34 | @param SystemTable EFI_SYSTEM_TABLE.\r | |
35 | \r | |
36 | @retval EFI_SUCCESS Driver is successfully loaded.\r | |
37 | @return Others Failed.\r | |
38 | \r | |
39 | **/\r | |
40 | EFI_STATUS\r | |
41 | EFIAPI\r | |
42 | InitializeSDMediaDevice (\r | |
43 | IN EFI_HANDLE ImageHandle,\r | |
44 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
45 | )\r | |
46 | {\r | |
47 | return EfiLibInstallDriverBindingComponentName2 (\r | |
48 | ImageHandle,\r | |
49 | SystemTable,\r | |
50 | &gSDMediaDeviceDriverBinding,\r | |
51 | ImageHandle,\r | |
52 | &gSDMediaDeviceName,\r | |
53 | &gSDMediaDeviceName2\r | |
54 | );\r | |
55 | }\r | |
56 | \r | |
57 | \r | |
58 | /**\r | |
59 | Test to see if this driver supports ControllerHandle. Any\r | |
60 | ControllerHandle that has BlockIoProtocol installed will be supported.\r | |
61 | \r | |
62 | @param This Protocol instance pointer.\r | |
63 | @param Controller Handle of device to test.\r | |
64 | @param RemainingDevicePath Not used.\r | |
65 | \r | |
66 | @return EFI_SUCCESS This driver supports this device.\r | |
67 | @return EFI_UNSUPPORTED This driver does not support this device.\r | |
68 | \r | |
69 | **/\r | |
70 | EFI_STATUS\r | |
71 | EFIAPI\r | |
72 | SDMediaDeviceSupported (\r | |
73 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
74 | IN EFI_HANDLE Controller,\r | |
75 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
76 | )\r | |
77 | {\r | |
78 | EFI_STATUS Status;\r | |
79 | EFI_SD_HOST_IO_PROTOCOL *SDHostIo;\r | |
80 | \r | |
81 | //\r | |
82 | // Test whether there is PCI IO Protocol attached on the controller handle.\r | |
83 | //\r | |
84 | Status = gBS->OpenProtocol (\r | |
85 | Controller,\r | |
86 | &gEfiSDHostIoProtocolGuid,\r | |
87 | (VOID **)&SDHostIo,\r | |
88 | This->DriverBindingHandle,\r | |
89 | Controller,\r | |
90 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
91 | );\r | |
92 | if (EFI_ERROR (Status)) {\r | |
93 | goto Exit;\r | |
94 | }\r | |
95 | \r | |
96 | gBS->CloseProtocol (\r | |
97 | Controller,\r | |
98 | &gEfiSDHostIoProtocolGuid,\r | |
99 | This->DriverBindingHandle,\r | |
100 | Controller\r | |
101 | );\r | |
102 | \r | |
103 | Exit:\r | |
104 | return Status;\r | |
105 | }\r | |
106 | \r | |
107 | /**\r | |
108 | Starting the SD Media Device Driver.\r | |
109 | \r | |
110 | @param This Protocol instance pointer.\r | |
111 | @param Controller Handle of device to test.\r | |
112 | @param RemainingDevicePath Not used.\r | |
113 | \r | |
114 | @retval EFI_SUCCESS This driver supports this device.\r | |
115 | @retval EFI_UNSUPPORTED This driver does not support this device.\r | |
116 | @retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r | |
117 | EFI_OUT_OF_RESOURCES- Failed due to resource shortage.\r | |
118 | \r | |
119 | **/\r | |
120 | EFI_STATUS\r | |
121 | EFIAPI\r | |
122 | SDMediaDeviceStart (\r | |
123 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
124 | IN EFI_HANDLE Controller,\r | |
125 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
126 | )\r | |
127 | {\r | |
128 | EFI_STATUS Status;\r | |
129 | EFI_SD_HOST_IO_PROTOCOL *SDHostIo;\r | |
130 | CARD_DATA *CardData;\r | |
131 | \r | |
132 | CardData = NULL;\r | |
133 | \r | |
134 | //\r | |
135 | // Open PCI I/O Protocol and save pointer to open protocol\r | |
136 | // in private data area.\r | |
137 | //\r | |
138 | Status = gBS->OpenProtocol (\r | |
139 | Controller,\r | |
140 | &gEfiSDHostIoProtocolGuid,\r | |
141 | (VOID **) &SDHostIo,\r | |
142 | This->DriverBindingHandle,\r | |
143 | Controller,\r | |
144 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
145 | );\r | |
146 | if (EFI_ERROR (Status)) {\r | |
147 | DEBUG ((EFI_D_ERROR, "SDMediaDeviceStart: Fail to open gEfiSDHostIoProtocolGuid \r\n"));\r | |
148 | goto Exit;\r | |
149 | }\r | |
150 | \r | |
151 | Status = SDHostIo->DetectCardAndInitHost (SDHostIo);\r | |
152 | if (EFI_ERROR (Status)) {\r | |
153 | DEBUG ((EFI_D_INFO, "SDMediaDeviceStart: Fail to DetectCardAndInitHost \r\n"));\r | |
154 | goto Exit;\r | |
155 | }\r | |
156 | \r | |
157 | CardData = (CARD_DATA*)AllocateZeroPool(sizeof (CARD_DATA));\r | |
158 | if (CardData == NULL) {\r | |
159 | Status = EFI_OUT_OF_RESOURCES;\r | |
160 | DEBUG ((EFI_D_ERROR, "SDMediaDeviceStart: Fail to AllocateZeroPool(CARD_DATA) \r\n"));\r | |
161 | goto Exit;\r | |
162 | }\r | |
163 | \r | |
164 | ASSERT (SDHostIo->HostCapability.BoundarySize >= 4 * 1024);\r | |
165 | CardData->RawBufferPointer = (UINT8*)((UINTN)DMA_MEMORY_TOP);\r | |
166 | Status = gBS->AllocatePages (\r | |
167 | AllocateMaxAddress,\r | |
168 | EfiBootServicesData,\r | |
169 | EFI_SIZE_TO_PAGES (2 * SDHostIo->HostCapability.BoundarySize),\r | |
170 | (EFI_PHYSICAL_ADDRESS *)(&CardData->RawBufferPointer)\r | |
171 | );\r | |
172 | \r | |
173 | if (CardData->RawBufferPointer == NULL) {\r | |
174 | DEBUG ((EFI_D_ERROR, "SDMediaDeviceStart: Fail to AllocateZeroPool(2*x) \r\n"));\r | |
175 | Status = EFI_OUT_OF_RESOURCES;\r | |
176 | goto Exit;\r | |
177 | }\r | |
178 | CardData->AlignedBuffer = CardData->RawBufferPointer - ((UINTN)(CardData->RawBufferPointer) & (SDHostIo->HostCapability.BoundarySize - 1)) + SDHostIo->HostCapability.BoundarySize;\r | |
179 | \r | |
180 | CardData->Signature = CARD_DATA_SIGNATURE;\r | |
181 | CardData->SDHostIo = SDHostIo;\r | |
182 | \r | |
183 | Status = MMCSDCardInit (CardData);\r | |
184 | if (EFI_ERROR (Status)) {\r | |
185 | DEBUG ((EFI_D_ERROR, "SDMediaDeviceStart: Fail to MMCSDCardInit \r\n"));\r | |
186 | goto Exit;\r | |
187 | }\r | |
188 | DEBUG ((EFI_D_INFO, "SDMediaDeviceStart: MMCSDCardInit SuccessFul\n"));\r | |
189 | \r | |
190 | if (CardData->CardType == CEATACard) {\r | |
191 | Status = CEATABlockIoInit (CardData);\r | |
192 | } else {\r | |
193 | Status = MMCSDBlockIoInit (CardData);\r | |
194 | }\r | |
195 | \r | |
196 | if (EFI_ERROR (Status)) {\r | |
197 | DEBUG ((EFI_D_ERROR, "SDMediaDeviceStart: Fail to BlockIoInit \r\n"));\r | |
198 | goto Exit;\r | |
199 | }\r | |
200 | DEBUG ((EFI_D_INFO, "SDMediaDeviceStart: BlockIo is successfully installed\n"));\r | |
201 | \r | |
202 | \r | |
203 | Status = gBS->InstallProtocolInterface (\r | |
204 | &Controller,\r | |
205 | &gEfiBlockIoProtocolGuid,\r | |
206 | EFI_NATIVE_INTERFACE,\r | |
207 | &CardData->BlockIo\r | |
208 | );\r | |
209 | if (EFI_ERROR (Status)) {\r | |
210 | DEBUG ((EFI_D_ERROR, "SDMediaDeviceStart: Fail to install gEfiBlockIoProtocolGuid \r\n"));\r | |
211 | goto Exit;\r | |
212 | }\r | |
213 | \r | |
214 | //\r | |
215 | // Install the component name protocol\r | |
216 | //\r | |
217 | CardData->ControllerNameTable = NULL;\r | |
218 | \r | |
219 | AddUnicodeString2 (\r | |
220 | "eng",\r | |
221 | gSDMediaDeviceName.SupportedLanguages,\r | |
222 | &CardData->ControllerNameTable,\r | |
223 | L"MMC/SD Media Device",\r | |
224 | TRUE\r | |
225 | );\r | |
226 | AddUnicodeString2 (\r | |
227 | "en",\r | |
228 | gSDMediaDeviceName2.SupportedLanguages,\r | |
229 | &CardData->ControllerNameTable,\r | |
230 | L"MMC/SD Media Device",\r | |
231 | FALSE\r | |
232 | );\r | |
233 | \r | |
234 | Exit:\r | |
235 | if (EFI_ERROR (Status)) {\r | |
236 | DEBUG ((EFI_D_INFO, "SDMediaDeviceStart: End with failure\r\n"));\r | |
237 | if (CardData != NULL) {\r | |
238 | if (CardData->RawBufferPointer != NULL) {\r | |
239 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) CardData->RawBufferPointer, EFI_SIZE_TO_PAGES (2 * SDHostIo->HostCapability.BoundarySize));\r | |
240 | }\r | |
241 | FreePool (CardData);\r | |
242 | }\r | |
243 | }\r | |
244 | \r | |
245 | return Status;\r | |
246 | }\r | |
247 | \r | |
248 | \r | |
249 | /**\r | |
250 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
251 | created by this driver.\r | |
252 | \r | |
253 | @param This Protocol instance pointer.\r | |
254 | @param Controller Handle of device to stop driver on.\r | |
255 | @param NumberOfChildren Number of Children in the ChildHandleBuffer.\r | |
256 | @param ChildHandleBuffer List of handles for the children we need to stop.\r | |
257 | \r | |
258 | @return EFI_SUCCESS\r | |
259 | @return others\r | |
260 | \r | |
261 | **/\r | |
262 | EFI_STATUS\r | |
263 | EFIAPI\r | |
264 | SDMediaDeviceStop (\r | |
265 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
266 | IN EFI_HANDLE Controller,\r | |
267 | IN UINTN NumberOfChildren,\r | |
268 | IN EFI_HANDLE *ChildHandleBuffer\r | |
269 | )\r | |
270 | {\r | |
271 | EFI_STATUS Status;\r | |
272 | CARD_DATA *CardData;\r | |
273 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
274 | \r | |
275 | //\r | |
276 | // First find BlockIo Protocol\r | |
277 | //\r | |
278 | Status = gBS->OpenProtocol (\r | |
279 | Controller,\r | |
280 | &gEfiBlockIoProtocolGuid,\r | |
281 | (VOID **)&BlockIo,\r | |
282 | This->DriverBindingHandle,\r | |
283 | Controller,\r | |
284 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
285 | );\r | |
286 | if (EFI_ERROR (Status)) {\r | |
287 | return Status;\r | |
288 | }\r | |
289 | \r | |
290 | CardData = CARD_DATA_FROM_THIS(BlockIo);\r | |
291 | \r | |
292 | //\r | |
293 | // Uninstall Block I/O protocol from the device handle\r | |
294 | //\r | |
295 | Status = gBS->UninstallProtocolInterface (\r | |
296 | Controller,\r | |
297 | &gEfiBlockIoProtocolGuid,\r | |
298 | BlockIo\r | |
299 | );\r | |
300 | if (EFI_ERROR (Status)) {\r | |
301 | return Status;\r | |
302 | }\r | |
303 | \r | |
304 | if (CardData != NULL) {\r | |
305 | if (CardData->RawBufferPointer != NULL) {\r | |
306 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) CardData->RawBufferPointer, EFI_SIZE_TO_PAGES (2 * CardData->SDHostIo->HostCapability.BoundarySize));\r | |
307 | }\r | |
308 | FreeUnicodeStringTable (CardData->ControllerNameTable);\r | |
309 | FreePool (CardData);\r | |
310 | }\r | |
311 | \r | |
312 | gBS->CloseProtocol (\r | |
313 | Controller,\r | |
314 | &gEfiSDHostIoProtocolGuid,\r | |
315 | This->DriverBindingHandle,\r | |
316 | Controller\r | |
317 | );\r | |
318 | \r | |
319 | return EFI_SUCCESS;\r | |
320 | }\r | |
321 | \r | |
322 | \r | |
323 | \r |