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Commit | Line | Data |
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d6321d6e | 1 | /** @file\r |
2 | ISA Floppy Disk UEFI Driver conforming to the UEFI driver model\r | |
3 | \r | |
11f43dfd | 4 | 1. Support two types diskette drive \r |
5 | 1.44M drive and 2.88M drive (and now only support 1.44M)\r | |
d6321d6e | 6 | 2. Support two diskette drives per floppy disk controller\r |
11f43dfd | 7 | 3. Use DMA channel 2 to transfer data\r |
8 | 4. Do not use interrupt\r | |
9 | 5. Support diskette change line signal and write protect\r | |
10 | \r | |
d6321d6e | 11 | Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r |
f8cd287b | 12 | All rights reserved. This program and the accompanying materials\r |
13 | are licensed and made available under the terms and conditions of the BSD License\r | |
14 | which accompanies this distribution. The full text of the license may be found at\r | |
15 | http://opensource.org/licenses/bsd-license.php\r | |
11f43dfd | 16 | \r |
f8cd287b | 17 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
18 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11f43dfd | 19 | \r |
f8cd287b | 20 | **/\r |
11f43dfd | 21 | \r |
22 | #include "IsaFloppy.h"\r | |
23 | \r | |
d6321d6e | 24 | LIST_ENTRY mControllerHead = INITIALIZE_LIST_HEAD_VARIABLE (mControllerHead);\r |
11f43dfd | 25 | \r |
26 | //\r | |
27 | // ISA Floppy Driver Binding Protocol\r | |
28 | //\r | |
29 | EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver = {\r | |
30 | FdcControllerDriverSupported,\r | |
31 | FdcControllerDriverStart,\r | |
32 | FdcControllerDriverStop,\r | |
33 | 0xa,\r | |
34 | NULL,\r | |
35 | NULL\r | |
36 | };\r | |
37 | \r | |
99bda0fd | 38 | \r |
39 | /**\r | |
d6321d6e | 40 | The main Entry Point for this driver.\r |
99bda0fd | 41 | \r |
d6321d6e | 42 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r |
43 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
99bda0fd | 44 | \r |
d6321d6e | 45 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
46 | @retval other Some error occurs when executing this entry point.\r | |
99bda0fd | 47 | **/\r |
48 | EFI_STATUS\r | |
49 | EFIAPI\r | |
50 | InitializeIsaFloppy(\r | |
51 | IN EFI_HANDLE ImageHandle,\r | |
52 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
53 | )\r | |
54 | {\r | |
d6321d6e | 55 | EFI_STATUS Status;\r |
99bda0fd | 56 | \r |
57 | //\r | |
58 | // Install driver model protocol(s).\r | |
59 | //\r | |
f3d08ccf | 60 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
99bda0fd | 61 | ImageHandle,\r |
62 | SystemTable,\r | |
63 | &gFdcControllerDriver,\r | |
64 | ImageHandle,\r | |
65 | &gIsaFloppyComponentName,\r | |
f3d08ccf | 66 | &gIsaFloppyComponentName2\r |
99bda0fd | 67 | );\r |
68 | ASSERT_EFI_ERROR (Status);\r | |
69 | \r | |
99bda0fd | 70 | return Status;\r |
71 | }\r | |
72 | \r | |
bcd70414 | 73 | /**\r |
d6321d6e | 74 | Test if the controller is a floppy disk drive device\r |
bcd70414 | 75 | \r |
d6321d6e | 76 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. \r |
77 | @param[in] Controller The handle of the controller to test.\r | |
78 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path.\r | |
bcd70414 | 79 | \r |
d6321d6e | 80 | @retval EFI_SUCCESS The device is supported by this driver.\r |
81 | @retval EFI_ALREADY_STARTED The device is already being managed by this driver.\r | |
82 | @retval EFI_ACCESS_DENIED The device is already being managed by a different driver \r | |
83 | or an application that requires exclusive access.\r | |
84 | @retval EFI_UNSUPPORTED The device is is not supported by this driver.\r | |
bcd70414 | 85 | **/\r |
11f43dfd | 86 | EFI_STATUS\r |
87 | EFIAPI\r | |
88 | FdcControllerDriverSupported (\r | |
89 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
90 | IN EFI_HANDLE Controller,\r | |
91 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
92 | )\r | |
11f43dfd | 93 | {\r |
d6321d6e | 94 | EFI_STATUS Status;\r |
95 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
96 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
97 | \r | |
98 | //\r | |
99 | // Ignore the parameter RemainingDevicePath because this is a device driver.\r | |
100 | //\r | |
101 | \r | |
102 | //\r | |
103 | // Open the device path protocol\r | |
104 | //\r | |
105 | Status = gBS->OpenProtocol (\r | |
106 | Controller,\r | |
107 | &gEfiDevicePathProtocolGuid,\r | |
108 | (VOID **) &ParentDevicePath,\r | |
109 | This->DriverBindingHandle,\r | |
110 | Controller,\r | |
111 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
112 | );\r | |
113 | if (EFI_ERROR (Status)) {\r | |
114 | return Status;\r | |
115 | }\r | |
116 | \r | |
117 | gBS->CloseProtocol (\r | |
118 | Controller,\r | |
119 | &gEfiDevicePathProtocolGuid,\r | |
120 | This->DriverBindingHandle,\r | |
121 | Controller\r | |
122 | );\r | |
11f43dfd | 123 | \r |
124 | //\r | |
125 | // Open the ISA I/O Protocol\r | |
126 | //\r | |
127 | Status = gBS->OpenProtocol (\r | |
128 | Controller,\r | |
129 | &gEfiIsaIoProtocolGuid,\r | |
130 | (VOID **) &IsaIo,\r | |
131 | This->DriverBindingHandle,\r | |
132 | Controller,\r | |
133 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
134 | );\r | |
135 | if (EFI_ERROR (Status)) {\r | |
136 | return Status;\r | |
137 | }\r | |
138 | //\r | |
d6321d6e | 139 | // Use the ISA I/O Protocol to see if Controller is a floppy disk drive device\r |
11f43dfd | 140 | //\r |
141 | Status = EFI_SUCCESS;\r | |
142 | if (IsaIo->ResourceList->Device.HID != EISA_PNP_ID (0x604)) {\r | |
143 | Status = EFI_UNSUPPORTED;\r | |
144 | }\r | |
145 | //\r | |
146 | // Close the ISA I/O Protocol\r | |
147 | //\r | |
148 | gBS->CloseProtocol (\r | |
149 | Controller,\r | |
150 | &gEfiIsaIoProtocolGuid,\r | |
151 | This->DriverBindingHandle,\r | |
152 | Controller\r | |
153 | );\r | |
154 | \r | |
155 | return Status;\r | |
156 | }\r | |
157 | \r | |
bcd70414 | 158 | /**\r |
d6321d6e | 159 | Start this driver on Controller.\r |
160 | \r | |
161 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
162 | @param[in] ControllerHandle The handle of the controller to start. This handle \r | |
163 | must support a protocol interface that supplies \r | |
164 | an I/O abstraction to the driver.\r | |
165 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. \r | |
166 | This parameter is ignored by device drivers, and is optional for bus drivers.\r | |
167 | \r | |
168 | @retval EFI_SUCCESS The device was started.\r | |
169 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.\r | |
170 | Currently not implemented.\r | |
171 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
172 | @retval Others The driver failded to start the device.\r | |
bcd70414 | 173 | **/\r |
11f43dfd | 174 | EFI_STATUS\r |
175 | EFIAPI\r | |
176 | FdcControllerDriverStart (\r | |
177 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
178 | IN EFI_HANDLE Controller,\r | |
179 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
180 | )\r | |
11f43dfd | 181 | {\r |
d6321d6e | 182 | EFI_STATUS Status;\r |
183 | FDC_BLK_IO_DEV *FdcDev;\r | |
184 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
185 | UINTN Index;\r | |
186 | LIST_ENTRY *List;\r | |
187 | BOOLEAN Found;\r | |
188 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
11f43dfd | 189 | \r |
190 | FdcDev = NULL;\r | |
191 | IsaIo = NULL;\r | |
192 | \r | |
193 | //\r | |
194 | // Open the device path protocol\r | |
195 | //\r | |
196 | Status = gBS->OpenProtocol (\r | |
197 | Controller,\r | |
198 | &gEfiDevicePathProtocolGuid,\r | |
199 | (VOID **) &ParentDevicePath,\r | |
200 | This->DriverBindingHandle,\r | |
201 | Controller,\r | |
202 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
203 | );\r | |
204 | if (EFI_ERROR (Status)) {\r | |
205 | return Status;\r | |
206 | }\r | |
207 | //\r | |
208 | // Report enable progress code\r | |
209 | //\r | |
210 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
211 | EFI_PROGRESS_CODE,\r | |
212 | EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_PC_ENABLE,\r | |
213 | ParentDevicePath\r | |
214 | );\r | |
215 | \r | |
216 | //\r | |
217 | // Open the ISA I/O Protocol\r | |
218 | //\r | |
219 | Status = gBS->OpenProtocol (\r | |
220 | Controller,\r | |
221 | &gEfiIsaIoProtocolGuid,\r | |
222 | (VOID **) &IsaIo,\r | |
223 | This->DriverBindingHandle,\r | |
224 | Controller,\r | |
225 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
226 | );\r | |
227 | if (EFI_ERROR (Status)) {\r | |
228 | goto Done;\r | |
229 | }\r | |
230 | //\r | |
d6321d6e | 231 | // Allocate the floppy device's Device structure\r |
11f43dfd | 232 | //\r |
233 | FdcDev = AllocateZeroPool (sizeof (FDC_BLK_IO_DEV));\r | |
234 | if (FdcDev == NULL) {\r | |
235 | goto Done;\r | |
236 | }\r | |
237 | //\r | |
d6321d6e | 238 | // Initialize the floppy device's device structure\r |
11f43dfd | 239 | //\r |
240 | FdcDev->Signature = FDC_BLK_IO_DEV_SIGNATURE;\r | |
241 | FdcDev->Handle = Controller;\r | |
242 | FdcDev->IsaIo = IsaIo;\r | |
243 | FdcDev->Disk = (EFI_FDC_DISK) IsaIo->ResourceList->Device.UID;\r | |
244 | FdcDev->Cache = NULL;\r | |
245 | FdcDev->Event = NULL;\r | |
246 | FdcDev->ControllerState = NULL;\r | |
247 | FdcDev->DevicePath = ParentDevicePath;\r | |
248 | \r | |
d6321d6e | 249 | FdcDev->ControllerNameTable = NULL;\r |
250 | AddName (FdcDev);\r | |
11f43dfd | 251 | \r |
252 | //\r | |
d6321d6e | 253 | // Look up the base address of the Floppy Disk Controller which controls this floppy device\r |
11f43dfd | 254 | //\r |
255 | for (Index = 0; FdcDev->IsaIo->ResourceList->ResourceItem[Index].Type != EfiIsaAcpiResourceEndOfList; Index++) {\r | |
256 | if (FdcDev->IsaIo->ResourceList->ResourceItem[Index].Type == EfiIsaAcpiResourceIo) {\r | |
257 | FdcDev->BaseAddress = (UINT16) FdcDev->IsaIo->ResourceList->ResourceItem[Index].StartRange;\r | |
258 | }\r | |
259 | }\r | |
260 | //\r | |
d6321d6e | 261 | // Maintain the list of floppy disk controllers\r |
11f43dfd | 262 | //\r |
263 | Found = FALSE;\r | |
d6321d6e | 264 | List = mControllerHead.ForwardLink;\r |
265 | while (List != &mControllerHead) {\r | |
11f43dfd | 266 | FdcDev->ControllerState = FLOPPY_CONTROLLER_FROM_LIST_ENTRY (List);\r |
267 | if (FdcDev->BaseAddress == FdcDev->ControllerState->BaseAddress) {\r | |
268 | Found = TRUE;\r | |
269 | break;\r | |
270 | }\r | |
271 | \r | |
272 | List = List->ForwardLink;\r | |
273 | }\r | |
274 | \r | |
275 | if (!Found) {\r | |
276 | //\r | |
d6321d6e | 277 | // A new floppy disk controller controlling this floppy disk drive is found\r |
11f43dfd | 278 | //\r |
279 | FdcDev->ControllerState = AllocatePool (sizeof (FLOPPY_CONTROLLER_CONTEXT));\r | |
280 | if (FdcDev->ControllerState == NULL) {\r | |
281 | goto Done;\r | |
282 | }\r | |
283 | \r | |
284 | FdcDev->ControllerState->Signature = FLOPPY_CONTROLLER_CONTEXT_SIGNATURE;\r | |
285 | FdcDev->ControllerState->FddResetPerformed = FALSE;\r | |
286 | FdcDev->ControllerState->NeedRecalibrate = FALSE;\r | |
287 | FdcDev->ControllerState->BaseAddress = FdcDev->BaseAddress;\r | |
288 | FdcDev->ControllerState->NumberOfDrive = 0;\r | |
289 | \r | |
d6321d6e | 290 | InsertTailList (&mControllerHead, &FdcDev->ControllerState->Link);\r |
11f43dfd | 291 | }\r |
292 | //\r | |
d6321d6e | 293 | // Create a timer event for each floppy disk drive device.\r |
11f43dfd | 294 | // This timer event is used to control the motor on and off\r |
295 | //\r | |
296 | Status = gBS->CreateEvent (\r | |
297 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
298 | TPL_NOTIFY,\r | |
299 | FddTimerProc,\r | |
300 | FdcDev,\r | |
301 | &FdcDev->Event\r | |
302 | );\r | |
303 | if (EFI_ERROR (Status)) {\r | |
304 | goto Done;\r | |
305 | }\r | |
306 | //\r | |
307 | // Reset the Floppy Disk Controller\r | |
308 | //\r | |
309 | if (!FdcDev->ControllerState->FddResetPerformed) {\r | |
310 | FdcDev->ControllerState->FddResetPerformed = TRUE;\r | |
311 | FdcDev->ControllerState->FddResetStatus = FddReset (FdcDev);\r | |
312 | }\r | |
313 | \r | |
314 | if (EFI_ERROR (FdcDev->ControllerState->FddResetStatus)) {\r | |
315 | Status = EFI_DEVICE_ERROR;\r | |
316 | goto Done;\r | |
317 | }\r | |
318 | \r | |
319 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
320 | EFI_PROGRESS_CODE,\r | |
321 | EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_PC_PRESENCE_DETECT,\r | |
322 | ParentDevicePath\r | |
323 | );\r | |
324 | \r | |
325 | //\r | |
326 | // Discover the Floppy Drive\r | |
327 | //\r | |
328 | Status = DiscoverFddDevice (FdcDev);\r | |
329 | if (EFI_ERROR (Status)) {\r | |
330 | Status = EFI_DEVICE_ERROR;\r | |
331 | goto Done;\r | |
332 | }\r | |
333 | //\r | |
334 | // Install protocol interfaces for the serial device.\r | |
335 | //\r | |
336 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
337 | &Controller,\r | |
338 | &gEfiBlockIoProtocolGuid,\r | |
339 | &FdcDev->BlkIo,\r | |
340 | NULL\r | |
341 | );\r | |
d6321d6e | 342 | if (!EFI_ERROR (Status)) {\r |
343 | FdcDev->ControllerState->NumberOfDrive++;\r | |
344 | }\r | |
11f43dfd | 345 | \r |
346 | Done:\r | |
347 | if (EFI_ERROR (Status)) {\r | |
348 | \r | |
349 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
350 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
351 | EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_EC_CONTROLLER_ERROR,\r | |
352 | ParentDevicePath\r | |
353 | );\r | |
354 | \r | |
355 | //\r | |
d6321d6e | 356 | // If a floppy drive device structure was allocated, then free it\r |
11f43dfd | 357 | //\r |
d6321d6e | 358 | if (FdcDev != NULL) {\r |
359 | if (FdcDev->Event != NULL) {\r | |
360 | //\r | |
361 | // Close the event for turning the motor off\r | |
362 | //\r | |
363 | gBS->CloseEvent (FdcDev->Event);\r | |
364 | }\r | |
365 | \r | |
366 | FreeUnicodeStringTable (FdcDev->ControllerNameTable);\r | |
367 | FreePool (FdcDev);\r | |
368 | }\r | |
11f43dfd | 369 | \r |
370 | //\r | |
371 | // Close the ISA I/O Protocol\r | |
372 | //\r | |
373 | if (IsaIo != NULL) {\r | |
374 | gBS->CloseProtocol (\r | |
375 | Controller,\r | |
376 | &gEfiIsaIoProtocolGuid,\r | |
377 | This->DriverBindingHandle,\r | |
378 | Controller\r | |
379 | );\r | |
380 | }\r | |
d6321d6e | 381 | \r |
11f43dfd | 382 | //\r |
d6321d6e | 383 | // Close the device path protocol\r |
11f43dfd | 384 | //\r |
d6321d6e | 385 | gBS->CloseProtocol (\r |
386 | Controller,\r | |
387 | &gEfiDevicePathProtocolGuid,\r | |
388 | This->DriverBindingHandle,\r | |
389 | Controller\r | |
390 | );\r | |
11f43dfd | 391 | }\r |
392 | \r | |
393 | return Status;\r | |
394 | }\r | |
395 | \r | |
bcd70414 | 396 | /**\r |
d6321d6e | 397 | Stop this driver on ControllerHandle.\r |
398 | \r | |
399 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
400 | @param[in] ControllerHandle A handle to the device being stopped. The handle must \r | |
401 | support a bus specific I/O protocol for the driver \r | |
402 | to use to stop the device.\r | |
403 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
404 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL \r | |
405 | if NumberOfChildren is 0.\r | |
406 | \r | |
407 | @retval EFI_SUCCESS The device was stopped.\r | |
408 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
bcd70414 | 409 | **/\r |
11f43dfd | 410 | EFI_STATUS\r |
411 | EFIAPI\r | |
412 | FdcControllerDriverStop (\r | |
413 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
414 | IN EFI_HANDLE Controller,\r | |
415 | IN UINTN NumberOfChildren,\r | |
416 | IN EFI_HANDLE *ChildHandleBuffer\r | |
417 | )\r | |
11f43dfd | 418 | {\r |
419 | EFI_STATUS Status;\r | |
420 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
421 | FDC_BLK_IO_DEV *FdcDev;\r | |
422 | \r | |
d6321d6e | 423 | //\r |
424 | // Ignore NumberOfChildren since this is a device driver\r | |
425 | //\r | |
426 | \r | |
11f43dfd | 427 | //\r |
428 | // Get the Block I/O Protocol on Controller\r | |
429 | //\r | |
430 | Status = gBS->OpenProtocol (\r | |
431 | Controller,\r | |
432 | &gEfiBlockIoProtocolGuid,\r | |
433 | (VOID **) &BlkIo,\r | |
434 | This->DriverBindingHandle,\r | |
435 | Controller,\r | |
436 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
437 | );\r | |
438 | if (EFI_ERROR (Status)) {\r | |
439 | return Status;\r | |
440 | }\r | |
441 | //\r | |
d6321d6e | 442 | // Get the floppy drive device's Device structure\r |
11f43dfd | 443 | //\r |
444 | FdcDev = FDD_BLK_IO_FROM_THIS (BlkIo);\r | |
445 | \r | |
446 | //\r | |
447 | // Report disable progress code\r | |
448 | //\r | |
449 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
450 | EFI_PROGRESS_CODE,\r | |
451 | EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_PC_DISABLE,\r | |
452 | FdcDev->DevicePath\r | |
453 | );\r | |
454 | \r | |
11f43dfd | 455 | //\r |
456 | // Uninstall the Block I/O Protocol\r | |
457 | //\r | |
458 | Status = gBS->UninstallProtocolInterface (\r | |
459 | Controller,\r | |
460 | &gEfiBlockIoProtocolGuid,\r | |
461 | &FdcDev->BlkIo\r | |
462 | );\r | |
463 | if (EFI_ERROR (Status)) {\r | |
464 | return Status;\r | |
465 | }\r | |
d6321d6e | 466 | \r |
467 | //\r | |
468 | // Close the event for turning the motor off\r | |
469 | //\r | |
470 | gBS->CloseEvent (FdcDev->Event);\r | |
471 | \r | |
472 | //\r | |
473 | // Turn the motor off on the floppy drive device\r | |
474 | //\r | |
475 | FddTimerProc (FdcDev->Event, FdcDev);\r | |
476 | \r | |
11f43dfd | 477 | //\r |
478 | // Close the device path protocol\r | |
479 | //\r | |
480 | gBS->CloseProtocol (\r | |
481 | Controller,\r | |
482 | &gEfiDevicePathProtocolGuid,\r | |
483 | This->DriverBindingHandle,\r | |
484 | Controller\r | |
485 | );\r | |
486 | \r | |
487 | //\r | |
488 | // Close the ISA I/O Protocol\r | |
489 | //\r | |
490 | gBS->CloseProtocol (\r | |
491 | Controller,\r | |
492 | &gEfiIsaIoProtocolGuid,\r | |
493 | This->DriverBindingHandle,\r | |
494 | Controller\r | |
495 | );\r | |
496 | \r | |
497 | //\r | |
498 | // Free the controller list if needed\r | |
499 | //\r | |
500 | FdcDev->ControllerState->NumberOfDrive--;\r | |
501 | \r | |
11f43dfd | 502 | //\r |
503 | // Free the cache if one was allocated\r | |
504 | //\r | |
505 | FdcFreeCache (FdcDev);\r | |
506 | \r | |
507 | //\r | |
d6321d6e | 508 | // Free the floppy drive device's device structure\r |
11f43dfd | 509 | //\r |
510 | FreeUnicodeStringTable (FdcDev->ControllerNameTable);\r | |
d6321d6e | 511 | FreePool (FdcDev);\r |
11f43dfd | 512 | \r |
513 | return EFI_SUCCESS;\r | |
514 | }\r | |
bcd70414 | 515 | \r |