]>
Commit | Line | Data |
---|---|---|
563c9c8a | 1 | /** @file\r |
630d580d | 2 | This file implement UEFI driver for IDE Bus which includes device identification, \r |
3 | Child device(Disk, CDROM, etc) enumeration and child handler installation, and \r | |
563c9c8a | 4 | driver stop.\r |
630d580d | 5 | \r |
1a45b15e | 6 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r |
180a5a35 | 7 | This program and the accompanying materials\r |
563c9c8a | 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 | @par Revision Reference:\r | |
16 | This module is modified from DXE\IDE module for Ide Contriller Init support\r | |
17 | \r | |
18 | **/\r | |
19 | \r | |
20 | #include "IdeBus.h"\r | |
21 | \r | |
22 | #define PCI_CLASS_MASS_STORAGE 0x01\r | |
23 | #define PCI_SUB_CLASS_IDE 0x01\r | |
24 | \r | |
25 | \r | |
26 | //\r | |
27 | // IDE Bus Driver Binding Protocol Instance\r | |
28 | //\r | |
29 | EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding = {\r | |
30 | IDEBusDriverBindingSupported,\r | |
31 | IDEBusDriverBindingStart,\r | |
32 | IDEBusDriverBindingStop,\r | |
33 | 0xa,\r | |
34 | NULL,\r | |
35 | NULL\r | |
36 | };\r | |
37 | /**\r | |
38 | Deregister an IDE device and free resources\r | |
39 | \r | |
40 | @param This Protocol instance pointer.\r | |
41 | @param Controller Ide device handle\r | |
42 | @param Handle Handle of device to deregister driver on\r | |
43 | \r | |
44 | @retval EFI_SUCCESS Deregiter a specific IDE device successfully\r | |
45 | \r | |
46 | \r | |
47 | **/\r | |
48 | EFI_STATUS\r | |
49 | DeRegisterIdeDevice (\r | |
50 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
51 | IN EFI_HANDLE Controller,\r | |
52 | IN EFI_HANDLE Handle\r | |
53 | )\r | |
54 | {\r | |
55 | EFI_STATUS Status;\r | |
56 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
57 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
58 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
59 | UINTN Index;\r | |
60 | \r | |
61 | Status = gBS->OpenProtocol (\r | |
62 | Handle,\r | |
63 | &gEfiBlockIoProtocolGuid,\r | |
64 | (VOID **) &BlkIo,\r | |
65 | This->DriverBindingHandle,\r | |
66 | Controller,\r | |
67 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
68 | );\r | |
69 | if (EFI_ERROR (Status)) {\r | |
70 | return Status;\r | |
71 | }\r | |
72 | \r | |
73 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);\r | |
74 | \r | |
75 | //\r | |
76 | // Report Status code: Device disabled\r | |
77 | //\r | |
78 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
79 | EFI_PROGRESS_CODE,\r | |
80 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_DISABLE),\r | |
81 | IdeBlkIoDevice->DevicePath\r | |
82 | );\r | |
83 | \r | |
84 | //\r | |
85 | // Close the child handle\r | |
86 | //\r | |
87 | Status = gBS->CloseProtocol (\r | |
88 | Controller,\r | |
89 | &gEfiPciIoProtocolGuid,\r | |
90 | This->DriverBindingHandle,\r | |
91 | Handle\r | |
92 | );\r | |
93 | \r | |
94 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
95 | Handle,\r | |
96 | &gEfiDevicePathProtocolGuid,\r | |
97 | IdeBlkIoDevice->DevicePath,\r | |
98 | &gEfiBlockIoProtocolGuid,\r | |
99 | &IdeBlkIoDevice->BlkIo,\r | |
100 | &gEfiDiskInfoProtocolGuid,\r | |
101 | &IdeBlkIoDevice->DiskInfo,\r | |
102 | NULL\r | |
103 | );\r | |
104 | \r | |
105 | if (EFI_ERROR (Status)) {\r | |
106 | gBS->OpenProtocol (\r | |
107 | Controller,\r | |
108 | &gEfiPciIoProtocolGuid,\r | |
109 | (VOID **) &PciIo,\r | |
110 | This->DriverBindingHandle,\r | |
111 | Handle,\r | |
112 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
113 | );\r | |
114 | return Status;\r | |
115 | }\r | |
116 | \r | |
117 | //\r | |
118 | // Release allocated resources\r | |
119 | //\r | |
120 | Index = IdeBlkIoDevice->Channel * 2 + IdeBlkIoDevice->Device;\r | |
121 | if (Index < MAX_IDE_DEVICE) {\r | |
122 | IdeBlkIoDevice->IdeBusDriverPrivateData->HaveScannedDevice[Index] = FALSE;\r | |
123 | }\r | |
124 | ReleaseIdeResources (IdeBlkIoDevice);\r | |
125 | \r | |
126 | return EFI_SUCCESS;\r | |
127 | }\r | |
128 | /**\r | |
129 | Supported function of Driver Binding protocol for this driver.\r | |
130 | \r | |
131 | @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
132 | @param ControllerHandle The handle of the controller to test.\r | |
133 | @param RemainingDevicePath A pointer to the remaining portion of a device path.\r | |
134 | \r | |
135 | @retval EFI_SUCCESS Driver loaded.\r | |
136 | @retval other Driver not loaded.\r | |
137 | \r | |
138 | **/\r | |
139 | EFI_STATUS\r | |
140 | EFIAPI\r | |
141 | IDEBusDriverBindingSupported (\r | |
142 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
143 | IN EFI_HANDLE Controller,\r | |
144 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
145 | )\r | |
146 | {\r | |
147 | EFI_STATUS Status;\r | |
148 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
149 | EFI_DEV_PATH *Node;\r | |
150 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
e519401b SZ |
151 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
152 | PCI_TYPE00 PciData;\r | |
563c9c8a | 153 | \r |
154 | if (RemainingDevicePath != NULL) {\r | |
155 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
2277ab96 | 156 | //\r |
157 | // Check if RemainingDevicePath is the End of Device Path Node, \r | |
158 | // if yes, go on checking other conditions\r | |
159 | //\r | |
160 | if (!IsDevicePathEnd (Node)) {\r | |
161 | //\r | |
162 | // If RemainingDevicePath isn't the End of Device Path Node,\r | |
163 | // check its validation\r | |
164 | //\r | |
165 | if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||\r | |
166 | Node->DevPath.SubType != MSG_ATAPI_DP ||\r | |
167 | DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) {\r | |
168 | return EFI_UNSUPPORTED;\r | |
169 | }\r | |
563c9c8a | 170 | }\r |
171 | }\r | |
172 | \r | |
173 | //\r | |
2277ab96 | 174 | // Verify the Ide Controller Init Protocol, which installed by the\r |
175 | // IdeController module.\r | |
563c9c8a | 176 | //\r |
177 | Status = gBS->OpenProtocol (\r | |
178 | Controller,\r | |
2277ab96 | 179 | &gEfiIdeControllerInitProtocolGuid,\r |
180 | (VOID **) &IdeInit,\r | |
563c9c8a | 181 | This->DriverBindingHandle,\r |
182 | Controller,\r | |
183 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
184 | );\r | |
2277ab96 | 185 | \r |
563c9c8a | 186 | if (Status == EFI_ALREADY_STARTED) {\r |
187 | return EFI_SUCCESS;\r | |
188 | }\r | |
189 | \r | |
9d0ece87 | 190 | if (EFI_ERROR (Status)) {\r |
191 | return Status;\r | |
192 | }\r | |
193 | \r | |
563c9c8a | 194 | //\r |
af4a6385 | 195 | // Close the I/O Abstraction(s) used to perform the supported test\r |
563c9c8a | 196 | //\r |
197 | gBS->CloseProtocol (\r | |
198 | Controller,\r | |
2277ab96 | 199 | &gEfiIdeControllerInitProtocolGuid,\r |
563c9c8a | 200 | This->DriverBindingHandle,\r |
201 | Controller\r | |
202 | );\r | |
203 | \r | |
204 | //\r | |
2277ab96 | 205 | // Open the EFI Device Path protocol needed to perform the supported test\r |
563c9c8a | 206 | //\r |
207 | Status = gBS->OpenProtocol (\r | |
208 | Controller,\r | |
2277ab96 | 209 | &gEfiDevicePathProtocolGuid,\r |
210 | (VOID **) &ParentDevicePath,\r | |
563c9c8a | 211 | This->DriverBindingHandle,\r |
212 | Controller,\r | |
213 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
214 | );\r | |
563c9c8a | 215 | if (Status == EFI_ALREADY_STARTED) {\r |
216 | return EFI_SUCCESS;\r | |
217 | }\r | |
218 | \r | |
219 | //\r | |
2277ab96 | 220 | // Close protocol, don't use device path protocol in the Support() function\r |
563c9c8a | 221 | //\r |
222 | gBS->CloseProtocol (\r | |
223 | Controller,\r | |
2277ab96 | 224 | &gEfiDevicePathProtocolGuid,\r |
563c9c8a | 225 | This->DriverBindingHandle,\r |
226 | Controller\r | |
227 | );\r | |
228 | \r | |
e519401b SZ |
229 | //\r |
230 | // Get the EfiPciIoProtocol\r | |
231 | //\r | |
232 | Status = gBS->OpenProtocol (\r | |
233 | Controller,\r | |
234 | &gEfiPciIoProtocolGuid,\r | |
235 | (VOID **) &PciIo,\r | |
236 | This->DriverBindingHandle,\r | |
237 | Controller,\r | |
238 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
239 | );\r | |
240 | \r | |
241 | if (EFI_ERROR (Status)) {\r | |
242 | return Status;\r | |
243 | }\r | |
244 | \r | |
245 | //\r | |
246 | // Now further check the PCI header: Base class (offset 0x0B) and\r | |
247 | // Sub Class (offset 0x0A). This controller should be an IDE controller\r | |
248 | //\r | |
249 | Status = PciIo->Pci.Read (\r | |
250 | PciIo,\r | |
251 | EfiPciIoWidthUint8,\r | |
252 | 0,\r | |
253 | sizeof (PciData),\r | |
254 | &PciData\r | |
255 | );\r | |
256 | \r | |
257 | if (!EFI_ERROR (Status)) {\r | |
258 | //\r | |
259 | // Examine if it is IDE mode by class code\r | |
260 | //\r | |
261 | if ((PciData.Hdr.ClassCode[2] != PCI_CLASS_MASS_STORAGE) || (PciData.Hdr.ClassCode[1] != PCI_SUB_CLASS_IDE)) { \r | |
262 | Status = EFI_UNSUPPORTED;\r | |
263 | } else { \r | |
264 | Status = EFI_SUCCESS;\r | |
265 | } \r | |
266 | }\r | |
267 | \r | |
563c9c8a | 268 | return Status;\r |
269 | }\r | |
270 | \r | |
271 | \r | |
272 | /**\r | |
273 | Start function of Driver binding protocol which start this driver on Controller\r | |
274 | by detecting all disks and installing BlockIo protocol on them.\r | |
275 | \r | |
276 | @param This Protocol instance pointer.\r | |
277 | @param Controller Handle of device to bind driver to.\r | |
278 | @param RemainingDevicePath produce all possible children.\r | |
279 | \r | |
280 | @retval EFI_SUCCESS This driver is added to ControllerHandle.\r | |
281 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r | |
282 | @retval other This driver does not support this device.\r | |
283 | \r | |
284 | **/\r | |
285 | EFI_STATUS\r | |
286 | EFIAPI\r | |
287 | IDEBusDriverBindingStart (\r | |
288 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
289 | IN EFI_HANDLE Controller,\r | |
290 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
291 | )\r | |
292 | {\r | |
293 | EFI_STATUS Status;\r | |
294 | EFI_STATUS SavedStatus;\r | |
295 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
296 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
297 | EFI_DEV_PATH *Node;\r | |
298 | UINT8 IdeChannel;\r | |
299 | UINT8 BeginningIdeChannel;\r | |
300 | UINT8 EndIdeChannel;\r | |
301 | UINT8 IdeDevice;\r | |
302 | UINT8 BeginningIdeDevice;\r | |
303 | UINT8 EndIdeDevice;\r | |
304 | IDE_BLK_IO_DEV *IdeBlkIoDevice[IdeMaxChannel][IdeMaxDevice];\r | |
305 | IDE_BLK_IO_DEV *IdeBlkIoDevicePtr;\r | |
306 | IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[IdeMaxChannel];\r | |
307 | ATA_TRANSFER_MODE TransferMode;\r | |
308 | ATA_DRIVE_PARMS DriveParameters;\r | |
309 | EFI_DEV_PATH NewNode;\r | |
310 | UINT8 ConfigurationOptions;\r | |
311 | UINT16 CommandBlockBaseAddr;\r | |
312 | UINT16 ControlBlockBaseAddr;\r | |
313 | UINTN DataSize;\r | |
314 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r | |
315 | UINT64 Supports;\r | |
316 | \r | |
317 | //\r | |
318 | // Local variables declaration for IdeControllerInit support\r | |
319 | //\r | |
320 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
321 | BOOLEAN EnumAll;\r | |
322 | BOOLEAN ChannelEnabled;\r | |
323 | UINT8 MaxDevices;\r | |
324 | EFI_IDENTIFY_DATA IdentifyData;\r | |
325 | EFI_ATA_COLLECTIVE_MODE *SupportedModes;\r | |
326 | \r | |
327 | IdeBusDriverPrivateData = NULL;\r | |
328 | SupportedModes = NULL;\r | |
329 | \r | |
330 | //\r | |
331 | // Perform IdeBus initialization\r | |
332 | //\r | |
333 | Status = gBS->OpenProtocol (\r | |
334 | Controller,\r | |
335 | &gEfiDevicePathProtocolGuid,\r | |
336 | (VOID **) &ParentDevicePath,\r | |
337 | This->DriverBindingHandle,\r | |
338 | Controller,\r | |
339 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
340 | );\r | |
341 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
342 | return Status;\r | |
343 | }\r | |
344 | \r | |
345 | //\r | |
346 | // Now open the IDE_CONTROLLER_INIT protocol. Step7.1\r | |
347 | //\r | |
348 | Status = gBS->OpenProtocol (\r | |
349 | Controller,\r | |
350 | &gEfiIdeControllerInitProtocolGuid,\r | |
351 | (VOID **) &IdeInit,\r | |
352 | This->DriverBindingHandle,\r | |
353 | Controller,\r | |
354 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
355 | );\r | |
356 | \r | |
357 | //\r | |
358 | // The following OpenProtocol function with _GET_PROTOCOL attribute and\r | |
359 | // will not return EFI_ALREADY_STARTED, so save it for now\r | |
360 | //\r | |
361 | SavedStatus = Status;\r | |
362 | \r | |
363 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
364 | DEBUG ((EFI_D_ERROR, "Open Init, Status=%x", Status));\r | |
365 | //\r | |
366 | // open protocol is not SUCCESS or not ALREADY_STARTED, error exit\r | |
367 | //\r | |
368 | goto ErrorExit;\r | |
369 | }\r | |
370 | \r | |
371 | //\r | |
372 | // Save Enumall. Step7.2\r | |
373 | //\r | |
374 | EnumAll = IdeInit->EnumAll;\r | |
375 | \r | |
376 | //\r | |
377 | // Consume PCI I/O protocol. Note that the OpenProtocol with _GET_PROTOCOL\r | |
378 | // attribute will not return EFI_ALREADY_STARTED\r | |
379 | //\r | |
380 | Status = gBS->OpenProtocol (\r | |
381 | Controller,\r | |
382 | &gEfiPciIoProtocolGuid,\r | |
383 | (VOID **) &PciIo,\r | |
384 | This->DriverBindingHandle,\r | |
385 | Controller,\r | |
386 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
387 | );\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | DEBUG ((EFI_D_ERROR, "Open PciIo, Status=%x", Status));\r | |
390 | goto ErrorExit;\r | |
391 | }\r | |
392 | \r | |
393 | //\r | |
394 | // We must check EFI_ALREADY_STARTED because many ATAPI devices are removable\r | |
395 | //\r | |
396 | if (SavedStatus != EFI_ALREADY_STARTED) {\r | |
397 | IdeBusDriverPrivateData = AllocatePool (sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r | |
398 | if (IdeBusDriverPrivateData == NULL) {\r | |
399 | Status = EFI_OUT_OF_RESOURCES;\r | |
400 | goto ErrorExit;\r | |
401 | }\r | |
402 | \r | |
403 | ZeroMem (IdeBusDriverPrivateData, sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r | |
404 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
405 | &Controller,\r | |
406 | &gEfiCallerIdGuid,\r | |
407 | IdeBusDriverPrivateData,\r | |
408 | NULL\r | |
409 | );\r | |
410 | if (EFI_ERROR (Status)) {\r | |
411 | goto ErrorExit;\r | |
412 | }\r | |
413 | \r | |
414 | } else {\r | |
415 | Status = gBS->OpenProtocol (\r | |
416 | Controller,\r | |
417 | &gEfiCallerIdGuid,\r | |
418 | (VOID **) &IdeBusDriverPrivateData,\r | |
419 | This->DriverBindingHandle,\r | |
420 | Controller,\r | |
421 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
422 | );\r | |
423 | if (EFI_ERROR (Status)) {\r | |
424 | IdeBusDriverPrivateData = NULL;\r | |
425 | goto ErrorExit;\r | |
426 | }\r | |
427 | }\r | |
428 | \r | |
429 | Status = PciIo->Attributes (\r | |
430 | PciIo,\r | |
431 | EfiPciIoAttributeOperationSupported,\r | |
432 | 0,\r | |
433 | &Supports\r | |
434 | );\r | |
435 | if (!EFI_ERROR (Status)) {\r | |
1a45b15e | 436 | Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r |
563c9c8a | 437 | Status = PciIo->Attributes (\r |
438 | PciIo,\r | |
439 | EfiPciIoAttributeOperationEnable,\r | |
440 | Supports,\r | |
441 | NULL\r | |
442 | );\r | |
443 | }\r | |
444 | \r | |
445 | if (EFI_ERROR (Status)) {\r | |
446 | goto ErrorExit;\r | |
447 | }\r | |
448 | \r | |
449 | //\r | |
450 | // Read the environment variable that contains the IDEBus Driver's\r | |
451 | // Config options that were set by the Driver Configuration Protocol\r | |
452 | //\r | |
453 | DataSize = sizeof (ConfigurationOptions);\r | |
454 | Status = gRT->GetVariable (\r | |
455 | (CHAR16 *) L"Configuration",\r | |
456 | &gEfiCallerIdGuid,\r | |
457 | NULL,\r | |
458 | &DataSize,\r | |
459 | &ConfigurationOptions\r | |
460 | );\r | |
461 | if (EFI_ERROR (Status)) {\r | |
462 | ConfigurationOptions = 0x0f;\r | |
463 | }\r | |
464 | \r | |
2277ab96 | 465 | if (EnumAll || RemainingDevicePath == NULL) {\r |
563c9c8a | 466 | //\r |
2277ab96 | 467 | // If IdeInit->EnumAll is TRUE or RemainingDevicePath is NULL, \r |
af4a6385 | 468 | // must enumerate all IDE devices anyway\r |
563c9c8a | 469 | //\r |
470 | BeginningIdeChannel = IdePrimary;\r | |
471 | EndIdeChannel = IdeSecondary;\r | |
472 | BeginningIdeDevice = IdeMaster;\r | |
473 | EndIdeDevice = IdeSlave;\r | |
2277ab96 | 474 | \r |
475 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
563c9c8a | 476 | //\r |
af4a6385 | 477 | // If RemainingDevicePath isn't the End of Device Path Node, \r |
478 | // only scan the specified device by RemainingDevicePath\r | |
563c9c8a | 479 | //\r |
480 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
481 | BeginningIdeChannel = Node->Atapi.PrimarySecondary;\r | |
482 | EndIdeChannel = BeginningIdeChannel;\r | |
483 | BeginningIdeDevice = Node->Atapi.SlaveMaster;\r | |
484 | EndIdeDevice = BeginningIdeDevice;\r | |
485 | if (BeginningIdeChannel >= IdeMaxChannel || EndIdeChannel >= IdeMaxChannel) {\r | |
486 | Status = EFI_INVALID_PARAMETER;\r | |
487 | goto ErrorExit;\r | |
488 | }\r | |
489 | if (BeginningIdeDevice >= IdeMaxDevice|| EndIdeDevice >= IdeMaxDevice) {\r | |
490 | Status = EFI_INVALID_PARAMETER;\r | |
491 | goto ErrorExit;\r | |
492 | }\r | |
2277ab96 | 493 | \r |
494 | } else {\r | |
495 | //\r | |
af4a6385 | 496 | // If RemainingDevicePath is the End of Device Path Node,\r |
2277ab96 | 497 | // skip enumerate any device and return EFI_SUCESSS\r |
498 | // \r | |
499 | BeginningIdeChannel = IdeMaxChannel;\r | |
500 | EndIdeChannel = IdeMaxChannel - 1;\r | |
501 | BeginningIdeDevice = IdeMaxDevice;\r | |
502 | EndIdeDevice = IdeMaxDevice - 1;\r | |
563c9c8a | 503 | }\r |
504 | \r | |
505 | //\r | |
506 | // Obtain IDE IO port registers' base addresses\r | |
507 | //\r | |
508 | Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);\r | |
509 | if (EFI_ERROR (Status)) {\r | |
510 | goto ErrorExit;\r | |
511 | }\r | |
512 | \r | |
513 | //\r | |
514 | // Report status code: begin IdeBus initialization\r | |
515 | //\r | |
516 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
517 | EFI_PROGRESS_CODE,\r | |
518 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
519 | ParentDevicePath\r | |
520 | );\r | |
521 | \r | |
522 | //\r | |
523 | // Strictly follow the enumeration based on IDE_CONTROLLER_INIT protocol\r | |
524 | //\r | |
525 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r | |
526 | \r | |
527 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel);\r | |
528 | \r | |
529 | //\r | |
530 | // now obtain channel information fron IdeControllerInit protocol. Step9\r | |
531 | //\r | |
532 | Status = IdeInit->GetChannelInfo (\r | |
533 | IdeInit,\r | |
534 | IdeChannel,\r | |
535 | &ChannelEnabled,\r | |
536 | &MaxDevices\r | |
537 | );\r | |
538 | if (EFI_ERROR (Status)) {\r | |
539 | DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));\r | |
540 | continue;\r | |
541 | }\r | |
542 | \r | |
543 | if (!ChannelEnabled) {\r | |
544 | continue;\r | |
545 | }\r | |
546 | \r | |
547 | EndIdeDevice = (UINT8) MIN ((MaxDevices - 1), EndIdeDevice);\r | |
548 | ASSERT (EndIdeDevice < IdeMaxDevice);\r | |
549 | //\r | |
550 | // Now inform the IDE Controller Init Module. Sept10\r | |
551 | //\r | |
552 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel);\r | |
553 | \r | |
554 | //\r | |
555 | // No reset channel function implemented. Sept11\r | |
556 | //\r | |
557 | IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel);\r | |
558 | \r | |
559 | //\r | |
560 | // Step13\r | |
561 | //\r | |
562 | IdeInit->NotifyPhase (\r | |
563 | IdeInit,\r | |
564 | EfiIdeBusBeforeDevicePresenceDetection,\r | |
565 | IdeChannel\r | |
566 | );\r | |
567 | \r | |
568 | //\r | |
569 | // Prepare to detect IDE device of this channel\r | |
570 | //\r | |
571 | InitializeIDEChannelData ();\r | |
572 | \r | |
573 | //\r | |
574 | // -- 1st inner loop --- Master/Slave ------------ Step14\r | |
575 | //\r | |
576 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r | |
577 | //\r | |
578 | // Check whether the configuration options allow this device\r | |
579 | //\r | |
580 | if ((ConfigurationOptions & (1 << (IdeChannel * 2 + IdeDevice))) == 0) {\r | |
581 | continue;\r | |
582 | }\r | |
583 | \r | |
584 | //\r | |
585 | // The device has been scanned in another Start(), No need to scan it again\r | |
586 | // for perf optimization.\r | |
587 | //\r | |
588 | if (IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice]) {\r | |
589 | continue;\r | |
590 | }\r | |
591 | \r | |
592 | //\r | |
593 | // create child handle for the detected device.\r | |
594 | //\r | |
595 | IdeBlkIoDevice[IdeChannel][IdeDevice] = AllocatePool (sizeof (IDE_BLK_IO_DEV));\r | |
596 | if (IdeBlkIoDevice[IdeChannel][IdeDevice] == NULL) {\r | |
597 | continue;\r | |
598 | }\r | |
599 | \r | |
600 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r | |
601 | \r | |
602 | ZeroMem (IdeBlkIoDevicePtr, sizeof (IDE_BLK_IO_DEV));\r | |
603 | \r | |
604 | IdeBlkIoDevicePtr->Signature = IDE_BLK_IO_DEV_SIGNATURE;\r | |
605 | IdeBlkIoDevicePtr->Channel = (EFI_IDE_CHANNEL) IdeChannel;\r | |
606 | IdeBlkIoDevicePtr->Device = (EFI_IDE_DEVICE) IdeDevice;\r | |
607 | \r | |
608 | //\r | |
609 | // initialize Block IO interface's Media pointer\r | |
610 | //\r | |
611 | IdeBlkIoDevicePtr->BlkIo.Media = &IdeBlkIoDevicePtr->BlkMedia;\r | |
612 | \r | |
613 | //\r | |
614 | // Initialize IDE IO port addresses, including Command Block registers\r | |
615 | // and Control Block registers\r | |
616 | //\r | |
617 | IdeBlkIoDevicePtr->IoPort = AllocatePool (sizeof (IDE_BASE_REGISTERS));\r | |
618 | if (IdeBlkIoDevicePtr->IoPort == NULL) {\r | |
619 | continue;\r | |
620 | }\r | |
621 | \r | |
622 | ZeroMem (IdeBlkIoDevicePtr->IoPort, sizeof (IDE_BASE_REGISTERS));\r | |
623 | CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;\r | |
624 | ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;\r | |
625 | \r | |
626 | IdeBlkIoDevicePtr->IoPort->Data = CommandBlockBaseAddr;\r | |
627 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
628 | IdeBlkIoDevicePtr->IoPort->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
629 | IdeBlkIoDevicePtr->IoPort->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
630 | IdeBlkIoDevicePtr->IoPort->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
631 | IdeBlkIoDevicePtr->IoPort->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
632 | IdeBlkIoDevicePtr->IoPort->Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
633 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
634 | \r | |
635 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Alt) = ControlBlockBaseAddr;\r | |
636 | IdeBlkIoDevicePtr->IoPort->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);\r | |
637 | \r | |
638 | IdeBlkIoDevicePtr->IoPort->MasterSlave = (UINT16) ((IdeDevice == IdeMaster) ? 1 : 0);\r | |
639 | \r | |
640 | IdeBlkIoDevicePtr->PciIo = PciIo;\r | |
641 | IdeBlkIoDevicePtr->IdeBusDriverPrivateData = IdeBusDriverPrivateData;\r | |
642 | IdeBlkIoDevicePtr->IoPort->BusMasterBaseAddr = IdeRegsBaseAddr[IdeChannel].BusMasterBaseAddr;\r | |
643 | \r | |
644 | //\r | |
645 | // Report Status code: is about to detect IDE drive\r | |
646 | //\r | |
647 | REPORT_STATUS_CODE_EX (\r | |
648 | EFI_PROGRESS_CODE,\r | |
649 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_PRESENCE_DETECT),\r | |
650 | 0,\r | |
651 | &gEfiCallerIdGuid,\r | |
652 | NULL,\r | |
653 | NULL,\r | |
654 | 0\r | |
655 | );\r | |
656 | \r | |
657 | //\r | |
658 | // Discover device, now!\r | |
659 | //\r | |
660 | PERF_START (NULL, "DiscoverIdeDevice", "IDE", 0);\r | |
661 | Status = DiscoverIdeDevice (IdeBlkIoDevicePtr);\r | |
662 | PERF_END (NULL, "DiscoverIdeDevice", "IDE", 0);\r | |
663 | \r | |
664 | IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
665 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
666 | \r | |
667 | if (!EFI_ERROR (Status)) {\r | |
668 | //\r | |
669 | // Set Device Path\r | |
670 | //\r | |
671 | ZeroMem (&NewNode, sizeof (NewNode));\r | |
672 | NewNode.DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
673 | NewNode.DevPath.SubType = MSG_ATAPI_DP;\r | |
674 | SetDevicePathNodeLength (&NewNode.DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
675 | \r | |
676 | NewNode.Atapi.PrimarySecondary = (UINT8) IdeBlkIoDevicePtr->Channel;\r | |
677 | NewNode.Atapi.SlaveMaster = (UINT8) IdeBlkIoDevicePtr->Device;\r | |
678 | NewNode.Atapi.Lun = IdeBlkIoDevicePtr->Lun;\r | |
679 | IdeBlkIoDevicePtr->DevicePath = AppendDevicePathNode (\r | |
680 | ParentDevicePath,\r | |
681 | &NewNode.DevPath\r | |
682 | );\r | |
683 | if (IdeBlkIoDevicePtr->DevicePath == NULL) {\r | |
684 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
685 | continue;\r | |
686 | }\r | |
687 | \r | |
688 | //\r | |
689 | // Submit identify data to IDE controller init driver\r | |
690 | //\r | |
691 | CopyMem (&IdentifyData, IdeBlkIoDevicePtr->IdData, sizeof (IdentifyData));\r | |
692 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
693 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &IdentifyData);\r | |
694 | } else {\r | |
695 | //\r | |
696 | // Device detection failed\r | |
697 | //\r | |
698 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
699 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, NULL);\r | |
700 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
701 | IdeBlkIoDevicePtr = NULL;\r | |
702 | }\r | |
703 | //\r | |
704 | // end of 1st inner loop ---\r | |
705 | //\r | |
706 | }\r | |
707 | //\r | |
708 | // end of 1st outer loop =========\r | |
709 | //\r | |
710 | }\r | |
711 | \r | |
712 | //\r | |
713 | // = 2nd outer loop == Primary/Secondary =================\r | |
714 | //\r | |
715 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r | |
716 | \r | |
717 | //\r | |
718 | // -- 2nd inner loop --- Master/Slave --------\r | |
719 | //\r | |
720 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r | |
721 | \r | |
9bdcf582 | 722 | ASSERT (IdeChannel * 2 + IdeDevice < MAX_IDE_DEVICE);\r |
563c9c8a | 723 | if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) {\r |
724 | continue;\r | |
725 | }\r | |
726 | \r | |
727 | if (!IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice]) {\r | |
728 | continue;\r | |
729 | }\r | |
730 | \r | |
731 | Status = IdeInit->CalculateMode (\r | |
732 | IdeInit,\r | |
733 | IdeChannel,\r | |
734 | IdeDevice,\r | |
735 | &SupportedModes\r | |
736 | );\r | |
737 | if (EFI_ERROR (Status)) {\r | |
738 | DEBUG ((EFI_D_ERROR, "[bStStp20S=%x]", Status));\r | |
739 | continue;\r | |
740 | }\r | |
741 | \r | |
9bdcf582 | 742 | ASSERT (IdeChannel < IdeMaxChannel && IdeDevice < IdeMaxDevice);\r |
563c9c8a | 743 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r |
744 | \r | |
745 | //\r | |
746 | // Set best supported PIO mode on this IDE device\r | |
747 | //\r | |
748 | if (SupportedModes->PioMode.Mode <= AtaPioMode2) {\r | |
749 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_DEFAULT_PIO;\r | |
750 | } else {\r | |
751 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_FLOW_PIO;\r | |
752 | }\r | |
753 | \r | |
754 | TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);\r | |
755 | \r | |
756 | if (SupportedModes->ExtModeCount == 0){\r | |
757 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
758 | \r | |
759 | if (EFI_ERROR (Status)) {\r | |
760 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
761 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
762 | IdeBlkIoDevicePtr = NULL;\r | |
763 | continue;\r | |
764 | }\r | |
765 | }\r | |
766 | \r | |
767 | //\r | |
768 | // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't\r | |
769 | // be set together. Only one DMA mode can be set to a device. If setting\r | |
770 | // DMA mode operation fails, we can continue moving on because we only use\r | |
771 | // PIO mode at boot time. DMA modes are used by certain kind of OS booting\r | |
772 | //\r | |
773 | if (SupportedModes->UdmaMode.Valid) {\r | |
774 | \r | |
775 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_UDMA;\r | |
776 | TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode);\r | |
777 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
778 | \r | |
779 | if (EFI_ERROR (Status)) {\r | |
780 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
781 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
782 | IdeBlkIoDevicePtr = NULL;\r | |
783 | continue;\r | |
784 | }\r | |
785 | //\r | |
786 | // Record Udma Mode\r | |
787 | //\r | |
788 | IdeBlkIoDevicePtr->UdmaMode.Valid = TRUE;\r | |
789 | IdeBlkIoDevicePtr->UdmaMode.Mode = SupportedModes->UdmaMode.Mode;\r | |
790 | EnableInterrupt (IdeBlkIoDevicePtr);\r | |
791 | } else if (SupportedModes->MultiWordDmaMode.Valid) {\r | |
792 | \r | |
793 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_MDMA;\r | |
794 | TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode;\r | |
795 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
796 | \r | |
797 | if (EFI_ERROR (Status)) {\r | |
798 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
799 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
800 | IdeBlkIoDevicePtr = NULL;\r | |
801 | continue;\r | |
802 | }\r | |
803 | \r | |
804 | EnableInterrupt (IdeBlkIoDevicePtr);\r | |
805 | }\r | |
806 | //\r | |
807 | // Init driver parameters\r | |
808 | //\r | |
a7ddec11 | 809 | DriveParameters.Sector = (UINT8) ((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->sectors_per_track;\r |
810 | DriveParameters.Heads = (UINT8) (((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->heads - 1);\r | |
563c9c8a | 811 | DriveParameters.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt;\r |
812 | //\r | |
813 | // Set Parameters for the device:\r | |
814 | // 1) Init\r | |
815 | // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command\r | |
816 | //\r | |
817 | if ((IdeBlkIoDevicePtr->Type == IdeHardDisk) || (IdeBlkIoDevicePtr->Type == Ide48bitAddressingHardDisk)) {\r | |
818 | Status = SetDriveParameters (IdeBlkIoDevicePtr, &DriveParameters);\r | |
819 | }\r | |
820 | \r | |
821 | //\r | |
822 | // Record PIO mode used in private data\r | |
823 | //\r | |
824 | IdeBlkIoDevicePtr->PioMode = (ATA_PIO_MODE) SupportedModes->PioMode.Mode;\r | |
825 | \r | |
826 | //\r | |
827 | // Set IDE controller Timing Blocks in the PCI Configuration Space\r | |
828 | //\r | |
829 | IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes);\r | |
830 | \r | |
831 | //\r | |
832 | // Add Component Name for the IDE/ATAPI device that was discovered.\r | |
833 | //\r | |
834 | IdeBlkIoDevicePtr->ControllerNameTable = NULL;\r | |
835 | ADD_IDE_ATAPI_NAME (IdeBlkIoDevicePtr);\r | |
836 | \r | |
837 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
838 | &IdeBlkIoDevicePtr->Handle,\r | |
839 | &gEfiDevicePathProtocolGuid,\r | |
840 | IdeBlkIoDevicePtr->DevicePath,\r | |
841 | &gEfiBlockIoProtocolGuid,\r | |
842 | &IdeBlkIoDevicePtr->BlkIo,\r | |
843 | &gEfiDiskInfoProtocolGuid,\r | |
844 | &IdeBlkIoDevicePtr->DiskInfo,\r | |
845 | NULL\r | |
846 | );\r | |
847 | \r | |
848 | if (EFI_ERROR (Status)) {\r | |
849 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
850 | }\r | |
851 | \r | |
852 | gBS->OpenProtocol (\r | |
853 | Controller,\r | |
854 | &gEfiPciIoProtocolGuid,\r | |
855 | (VOID **) &PciIo,\r | |
856 | This->DriverBindingHandle,\r | |
857 | IdeBlkIoDevicePtr->Handle,\r | |
858 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
859 | );\r | |
860 | \r | |
861 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
862 | \r | |
863 | //\r | |
864 | // Report status code: device eanbled!\r | |
865 | //\r | |
866 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
867 | EFI_PROGRESS_CODE,\r | |
868 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE),\r | |
869 | IdeBlkIoDevicePtr->DevicePath\r | |
870 | );\r | |
871 | \r | |
872 | //\r | |
873 | // Create event to clear pending IDE interrupt\r | |
874 | //\r | |
875 | Status = gBS->CreateEventEx (\r | |
876 | EVT_NOTIFY_SIGNAL,\r | |
877 | TPL_NOTIFY,\r | |
878 | ClearInterrupt,\r | |
879 | IdeBlkIoDevicePtr,\r | |
880 | &gEfiEventExitBootServicesGuid,\r | |
881 | &IdeBlkIoDevicePtr->ExitBootServiceEvent\r | |
882 | );\r | |
883 | \r | |
884 | //\r | |
885 | // end of 2nd inner loop ----\r | |
886 | //\r | |
887 | }\r | |
888 | //\r | |
889 | // end of 2nd outer loop ==========\r | |
890 | //\r | |
891 | }\r | |
892 | \r | |
893 | //\r | |
894 | // All configurations done! Notify IdeController to do post initialization\r | |
895 | // work such as saving IDE controller PCI settings for S3 resume\r | |
896 | //\r | |
897 | IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);\r | |
898 | \r | |
899 | if (SupportedModes != NULL) {\r | |
2277ab96 | 900 | FreePool (SupportedModes);\r |
563c9c8a | 901 | }\r |
902 | \r | |
903 | PERF_START (NULL, "Finish IDE detection", "IDE", 1);\r | |
904 | PERF_END (NULL, "Finish IDE detection", "IDE", 0);\r | |
905 | \r | |
906 | return EFI_SUCCESS;\r | |
907 | \r | |
908 | ErrorExit:\r | |
909 | \r | |
910 | //\r | |
911 | // Report error code: controller error\r | |
912 | //\r | |
913 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
914 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
915 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_EC_CONTROLLER_ERROR),\r | |
916 | ParentDevicePath\r | |
917 | );\r | |
918 | \r | |
919 | gBS->CloseProtocol (\r | |
920 | Controller,\r | |
921 | &gEfiIdeControllerInitProtocolGuid,\r | |
922 | This->DriverBindingHandle,\r | |
923 | Controller\r | |
924 | );\r | |
925 | \r | |
926 | gBS->UninstallMultipleProtocolInterfaces (\r | |
927 | Controller,\r | |
928 | &gEfiCallerIdGuid,\r | |
929 | IdeBusDriverPrivateData,\r | |
930 | NULL\r | |
931 | );\r | |
932 | \r | |
933 | if (IdeBusDriverPrivateData != NULL) {\r | |
934 | gBS->FreePool (IdeBusDriverPrivateData);\r | |
935 | }\r | |
936 | \r | |
937 | if (SupportedModes != NULL) {\r | |
938 | gBS->FreePool (SupportedModes);\r | |
939 | }\r | |
940 | \r | |
941 | gBS->CloseProtocol (\r | |
942 | Controller,\r | |
943 | &gEfiPciIoProtocolGuid,\r | |
944 | This->DriverBindingHandle,\r | |
945 | Controller\r | |
946 | );\r | |
947 | \r | |
948 | gBS->CloseProtocol (\r | |
949 | Controller,\r | |
950 | &gEfiDevicePathProtocolGuid,\r | |
951 | This->DriverBindingHandle,\r | |
952 | Controller\r | |
953 | );\r | |
954 | \r | |
955 | return Status;\r | |
956 | \r | |
957 | }\r | |
958 | /**\r | |
959 | Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all\r | |
960 | child handle attached to the controller handle if there are.\r | |
961 | \r | |
962 | @param This Protocol instance pointer.\r | |
963 | @param Controller Handle of device to stop driver on\r | |
964 | @param NumberOfChildren Not used\r | |
965 | @param ChildHandleBuffer Not used\r | |
966 | \r | |
967 | @retval EFI_SUCCESS This driver is removed DeviceHandle\r | |
968 | @retval other This driver was not removed from this device\r | |
969 | \r | |
970 | **/\r | |
971 | EFI_STATUS\r | |
972 | EFIAPI\r | |
973 | IDEBusDriverBindingStop (\r | |
974 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
975 | IN EFI_HANDLE Controller,\r | |
976 | IN UINTN NumberOfChildren,\r | |
977 | IN EFI_HANDLE *ChildHandleBuffer\r | |
978 | )\r | |
979 | {\r | |
980 | EFI_STATUS Status;\r | |
981 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
982 | BOOLEAN AllChildrenStopped;\r | |
983 | UINTN Index;\r | |
984 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r | |
985 | UINT64 Supports;\r | |
986 | \r | |
987 | IdeBusDriverPrivateData = NULL;\r | |
988 | \r | |
989 | if (NumberOfChildren == 0) {\r | |
990 | \r | |
991 | Status = gBS->OpenProtocol (\r | |
992 | Controller,\r | |
993 | &gEfiPciIoProtocolGuid,\r | |
994 | (VOID **) &PciIo,\r | |
995 | This->DriverBindingHandle,\r | |
996 | Controller,\r | |
997 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
998 | );\r | |
999 | if (!EFI_ERROR (Status)) {\r | |
1000 | Status = PciIo->Attributes (\r | |
1001 | PciIo,\r | |
1002 | EfiPciIoAttributeOperationSupported,\r | |
1003 | 0,\r | |
1004 | &Supports\r | |
1005 | );\r | |
1006 | if (!EFI_ERROR (Status)) {\r | |
1a45b15e | 1007 | Supports &= (UINT64)(EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE);\r |
563c9c8a | 1008 | PciIo->Attributes (\r |
1009 | PciIo,\r | |
1010 | EfiPciIoAttributeOperationDisable,\r | |
1011 | Supports,\r | |
1012 | NULL\r | |
1013 | );\r | |
1014 | }\r | |
1015 | }\r | |
1016 | \r | |
1017 | gBS->OpenProtocol (\r | |
1018 | Controller,\r | |
1019 | &gEfiCallerIdGuid,\r | |
1020 | (VOID **) &IdeBusDriverPrivateData,\r | |
1021 | This->DriverBindingHandle,\r | |
1022 | Controller,\r | |
1023 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1024 | );\r | |
1025 | \r | |
1026 | gBS->UninstallMultipleProtocolInterfaces (\r | |
1027 | Controller,\r | |
1028 | &gEfiCallerIdGuid,\r | |
1029 | IdeBusDriverPrivateData,\r | |
1030 | NULL\r | |
1031 | );\r | |
1032 | \r | |
1033 | if (IdeBusDriverPrivateData != NULL) {\r | |
1034 | gBS->FreePool (IdeBusDriverPrivateData);\r | |
1035 | }\r | |
1036 | //\r | |
1037 | // Close the bus driver\r | |
1038 | //\r | |
1039 | gBS->CloseProtocol (\r | |
1040 | Controller,\r | |
1041 | &gEfiIdeControllerInitProtocolGuid,\r | |
1042 | This->DriverBindingHandle,\r | |
1043 | Controller\r | |
1044 | );\r | |
1045 | gBS->CloseProtocol (\r | |
1046 | Controller,\r | |
1047 | &gEfiPciIoProtocolGuid,\r | |
1048 | This->DriverBindingHandle,\r | |
1049 | Controller\r | |
1050 | );\r | |
1051 | gBS->CloseProtocol (\r | |
1052 | Controller,\r | |
1053 | &gEfiDevicePathProtocolGuid,\r | |
1054 | This->DriverBindingHandle,\r | |
1055 | Controller\r | |
1056 | );\r | |
1057 | \r | |
1058 | return EFI_SUCCESS;\r | |
1059 | }\r | |
1060 | \r | |
1061 | AllChildrenStopped = TRUE;\r | |
1062 | \r | |
1063 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
1064 | \r | |
1065 | Status = DeRegisterIdeDevice (This, Controller, ChildHandleBuffer[Index]);\r | |
1066 | \r | |
1067 | if (EFI_ERROR (Status)) {\r | |
1068 | AllChildrenStopped = FALSE;\r | |
1069 | }\r | |
1070 | }\r | |
1071 | \r | |
1072 | if (!AllChildrenStopped) {\r | |
1073 | return EFI_DEVICE_ERROR;\r | |
1074 | }\r | |
1075 | \r | |
1076 | return EFI_SUCCESS;\r | |
1077 | }\r | |
1078 | \r | |
1079 | /**\r | |
1080 | issue ATA or ATAPI command to reset a block IO device.\r | |
1081 | @param This Block IO protocol instance pointer.\r | |
1082 | @param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method\r | |
1083 | If TRUE, for ATAPI device, driver need invoke ATA reset method after\r | |
1084 | invoke ATAPI reset method\r | |
1085 | \r | |
1086 | @retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device.\r | |
1087 | @retval EFI_SUCCESS The device reset successfully\r | |
1088 | \r | |
1089 | **/\r | |
1090 | EFI_STATUS\r | |
1091 | EFIAPI\r | |
1092 | IDEBlkIoReset (\r | |
1093 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1094 | IN BOOLEAN ExtendedVerification\r | |
1095 | )\r | |
1096 | {\r | |
1097 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1098 | EFI_STATUS Status;\r | |
1099 | EFI_TPL OldTpl;\r | |
1100 | \r | |
1101 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1102 | \r | |
1103 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1104 | //\r | |
1105 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1106 | //\r | |
1107 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1108 | \r | |
1109 | //\r | |
1110 | // for ATA device, using ATA reset method\r | |
1111 | //\r | |
1112 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1113 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1114 | Status = AtaSoftReset (IdeBlkIoDevice);\r | |
1115 | goto Done;\r | |
1116 | }\r | |
1117 | \r | |
1118 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1119 | Status = EFI_DEVICE_ERROR;\r | |
1120 | goto Done;\r | |
1121 | }\r | |
1122 | \r | |
1123 | //\r | |
1124 | // for ATAPI device, using ATAPI reset method\r | |
1125 | //\r | |
1126 | Status = AtapiSoftReset (IdeBlkIoDevice);\r | |
1127 | if (ExtendedVerification) {\r | |
1128 | Status = AtaSoftReset (IdeBlkIoDevice);\r | |
1129 | }\r | |
1130 | \r | |
1131 | Done:\r | |
1132 | gBS->RestoreTPL (OldTpl);\r | |
1133 | return Status;\r | |
1134 | }\r | |
1135 | \r | |
1136 | /**\r | |
1137 | Read data from a block IO device\r | |
1138 | \r | |
1139 | @param This Block IO protocol instance pointer.\r | |
1140 | @param MediaId The media ID of the device\r | |
cd57e888 | 1141 | @param Lba Starting LBA address to read data\r |
563c9c8a | 1142 | @param BufferSize The size of data to be read\r |
1143 | @param Buffer Caller supplied buffer to save data\r | |
1144 | \r | |
1145 | @retval EFI_DEVICE_ERROR unknown device type\r | |
1146 | @retval other read data status.\r | |
1147 | \r | |
1148 | **/\r | |
1149 | EFI_STATUS\r | |
1150 | EFIAPI\r | |
1151 | IDEBlkIoReadBlocks (\r | |
1152 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1153 | IN UINT32 MediaId,\r | |
cd57e888 | 1154 | IN EFI_LBA Lba,\r |
563c9c8a | 1155 | IN UINTN BufferSize,\r |
1156 | OUT VOID *Buffer\r | |
1157 | )\r | |
1158 | {\r | |
1159 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1160 | EFI_STATUS Status;\r | |
1161 | EFI_TPL OldTpl;\r | |
1162 | \r | |
1163 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1164 | \r | |
1165 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1166 | \r | |
1167 | //\r | |
1168 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1169 | //\r | |
1170 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1171 | \r | |
1172 | //\r | |
1173 | // For ATA compatible device, use ATA read block's mechanism\r | |
1174 | //\r | |
1175 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1176 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1177 | Status = AtaBlkIoReadBlocks (\r | |
1178 | IdeBlkIoDevice,\r | |
1179 | MediaId,\r | |
cd57e888 | 1180 | Lba,\r |
563c9c8a | 1181 | BufferSize,\r |
1182 | Buffer\r | |
1183 | );\r | |
1184 | goto Done;\r | |
1185 | }\r | |
1186 | \r | |
1187 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1188 | Status = EFI_DEVICE_ERROR;\r | |
1189 | goto Done;\r | |
1190 | }\r | |
1191 | \r | |
1192 | //\r | |
1193 | // for ATAPI device, using ATAPI read block's mechanism\r | |
1194 | //\r | |
1195 | Status = AtapiBlkIoReadBlocks (\r | |
1196 | IdeBlkIoDevice,\r | |
1197 | MediaId,\r | |
cd57e888 | 1198 | Lba,\r |
563c9c8a | 1199 | BufferSize,\r |
1200 | Buffer\r | |
1201 | );\r | |
1202 | \r | |
1203 | Done:\r | |
1204 | gBS->RestoreTPL (OldTpl);\r | |
1205 | \r | |
1206 | return Status;\r | |
1207 | }\r | |
1208 | \r | |
1209 | /**\r | |
cd57e888 | 1210 | Write data to block io device.\r |
563c9c8a | 1211 | \r |
1212 | @param This Protocol instance pointer.\r | |
1213 | @param MediaId The media ID of the device\r | |
cd57e888 | 1214 | @param Lba Starting LBA address to write data\r |
563c9c8a | 1215 | @param BufferSize The size of data to be written\r |
1216 | @param Buffer Caller supplied buffer to save data\r | |
1217 | \r | |
1218 | @retval EFI_DEVICE_ERROR unknown device type\r | |
1219 | @retval other write data status\r | |
1220 | \r | |
1221 | **/\r | |
1222 | EFI_STATUS\r | |
1223 | EFIAPI\r | |
1224 | IDEBlkIoWriteBlocks (\r | |
1225 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1226 | IN UINT32 MediaId,\r | |
cd57e888 | 1227 | IN EFI_LBA Lba,\r |
563c9c8a | 1228 | IN UINTN BufferSize,\r |
1229 | IN VOID *Buffer\r | |
1230 | )\r | |
1231 | {\r | |
1232 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1233 | EFI_STATUS Status;\r | |
1234 | EFI_TPL OldTpl;\r | |
1235 | \r | |
1236 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1237 | \r | |
1238 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1239 | //\r | |
1240 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1241 | //\r | |
1242 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1243 | \r | |
1244 | //\r | |
1245 | // for ATA device, using ATA write block's mechanism\r | |
1246 | //\r | |
1247 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1248 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1249 | \r | |
1250 | Status = AtaBlkIoWriteBlocks (\r | |
1251 | IdeBlkIoDevice,\r | |
1252 | MediaId,\r | |
cd57e888 | 1253 | Lba,\r |
563c9c8a | 1254 | BufferSize,\r |
1255 | Buffer\r | |
1256 | );\r | |
1257 | goto Done;\r | |
1258 | }\r | |
1259 | \r | |
1260 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1261 | Status = EFI_DEVICE_ERROR;\r | |
1262 | goto Done;\r | |
1263 | }\r | |
1264 | \r | |
1265 | //\r | |
1266 | // for ATAPI device, using ATAPI write block's mechanism\r | |
1267 | //\r | |
1268 | Status = AtapiBlkIoWriteBlocks (\r | |
1269 | IdeBlkIoDevice,\r | |
1270 | MediaId,\r | |
cd57e888 | 1271 | Lba,\r |
563c9c8a | 1272 | BufferSize,\r |
1273 | Buffer\r | |
1274 | );\r | |
1275 | \r | |
1276 | Done:\r | |
1277 | gBS->RestoreTPL (OldTpl);\r | |
1278 | return Status;\r | |
1279 | }\r | |
1280 | /**\r | |
1281 | Flushes all modified data to a physical block devices\r | |
1282 | \r | |
1283 | @param This Indicates a pointer to the calling context which to sepcify a\r | |
1284 | sepcific block device\r | |
1285 | \r | |
1286 | @retval EFI_SUCCESS Always return success.\r | |
1287 | **/\r | |
1288 | EFI_STATUS\r | |
1289 | EFIAPI\r | |
1290 | IDEBlkIoFlushBlocks (\r | |
1291 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
1292 | )\r | |
1293 | {\r | |
1294 | //\r | |
1295 | // return directly\r | |
1296 | //\r | |
1297 | return EFI_SUCCESS;\r | |
1298 | }\r | |
1299 | \r | |
1300 | /**\r | |
bab0c17a | 1301 | This function is used by the IDE bus driver to get inquiry data. \r |
1302 | Data format of Identify data is defined by the Interface GUID.\r | |
563c9c8a | 1303 | \r |
bab0c17a | 1304 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1305 | @param InquiryData Pointer to a buffer for the inquiry data.\r | |
1306 | @param InquiryDataSize Pointer to the value for the inquiry data size.\r | |
563c9c8a | 1307 | \r |
bab0c17a | 1308 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1309 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1310 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
1311 | @retval EFI_BUFFER_TOO_SMALL IntquiryDataSize not big enough \r | |
563c9c8a | 1312 | \r |
1313 | **/\r | |
1314 | EFI_STATUS\r | |
1315 | EFIAPI\r | |
1316 | IDEDiskInfoInquiry (\r | |
1317 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1318 | IN OUT VOID *InquiryData,\r | |
1319 | IN OUT UINT32 *InquiryDataSize\r | |
1320 | )\r | |
1321 | {\r | |
1322 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1323 | \r | |
1324 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1325 | \r | |
1326 | if (*InquiryDataSize < sizeof (ATAPI_INQUIRY_DATA)) {\r | |
1327 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA);\r | |
1328 | return EFI_BUFFER_TOO_SMALL;\r | |
1329 | }\r | |
1330 | \r | |
1331 | if (IdeBlkIoDevice->InquiryData == NULL) {\r | |
1332 | return EFI_NOT_FOUND;\r | |
1333 | }\r | |
1334 | \r | |
1335 | gBS->CopyMem (InquiryData, IdeBlkIoDevice->InquiryData, sizeof (ATAPI_INQUIRY_DATA));\r | |
1336 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA);\r | |
1337 | \r | |
1338 | return EFI_SUCCESS;\r | |
1339 | }\r | |
1340 | \r | |
1341 | /**\r | |
bab0c17a | 1342 | This function is used by the IDE bus driver to get identify data. \r |
563c9c8a | 1343 | Data format of Identify data is defined by the Interface GUID.\r |
1344 | \r | |
bab0c17a | 1345 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1346 | @param IdentifyData Pointer to a buffer for the identify data.\r | |
1347 | @param IdentifyDataSize Pointer to the value for the identify data size.\r | |
563c9c8a | 1348 | \r |
bab0c17a | 1349 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1350 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1351 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
1352 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
563c9c8a | 1353 | \r |
1354 | **/\r | |
1355 | EFI_STATUS\r | |
1356 | EFIAPI\r | |
1357 | IDEDiskInfoIdentify (\r | |
1358 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1359 | IN OUT VOID *IdentifyData,\r | |
1360 | IN OUT UINT32 *IdentifyDataSize\r | |
1361 | )\r | |
1362 | {\r | |
1363 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1364 | \r | |
1365 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1366 | \r | |
1367 | if (*IdentifyDataSize < sizeof (EFI_IDENTIFY_DATA)) {\r | |
1368 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA);\r | |
1369 | return EFI_BUFFER_TOO_SMALL;\r | |
1370 | }\r | |
1371 | \r | |
1372 | if (IdeBlkIoDevice->IdData == NULL) {\r | |
1373 | return EFI_NOT_FOUND;\r | |
1374 | }\r | |
1375 | \r | |
1376 | gBS->CopyMem (IdentifyData, IdeBlkIoDevice->IdData, sizeof (EFI_IDENTIFY_DATA));\r | |
1377 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA);\r | |
1378 | \r | |
1379 | return EFI_SUCCESS;\r | |
1380 | }\r | |
1381 | \r | |
1382 | /**\r | |
bab0c17a | 1383 | This function is used by the IDE bus driver to get sense data. \r |
563c9c8a | 1384 | Data format of Sense data is defined by the Interface GUID.\r |
1385 | \r | |
bab0c17a | 1386 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r |
1387 | @param SenseData Pointer to the SenseData. \r | |
1388 | @param SenseDataSize Size of SenseData in bytes. \r | |
1389 | @param SenseDataNumber Pointer to the value for the identify data size.\r | |
563c9c8a | 1390 | \r |
bab0c17a | 1391 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1392 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1393 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
1394 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough \r | |
563c9c8a | 1395 | \r |
1396 | **/\r | |
1397 | EFI_STATUS\r | |
1398 | EFIAPI\r | |
1399 | IDEDiskInfoSenseData (\r | |
1400 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1401 | IN OUT VOID *SenseData,\r | |
1402 | IN OUT UINT32 *SenseDataSize,\r | |
1403 | OUT UINT8 *SenseDataNumber\r | |
1404 | )\r | |
1405 | {\r | |
1406 | return EFI_NOT_FOUND;\r | |
1407 | }\r | |
1408 | \r | |
1409 | /**\r | |
bab0c17a | 1410 | This function is used by the IDE bus driver to get controller information.\r |
563c9c8a | 1411 | \r |
bab0c17a | 1412 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r |
1413 | @param IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
1414 | @param IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
563c9c8a | 1415 | \r |
bab0c17a | 1416 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid \r |
1417 | @retval EFI_UNSUPPORTED This is not an IDE device \r | |
563c9c8a | 1418 | \r |
1419 | **/\r | |
1420 | EFI_STATUS\r | |
1421 | EFIAPI\r | |
1422 | IDEDiskInfoWhichIde (\r | |
1423 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1424 | OUT UINT32 *IdeChannel,\r | |
1425 | OUT UINT32 *IdeDevice\r | |
1426 | )\r | |
1427 | {\r | |
1428 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1429 | \r | |
1430 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1431 | *IdeChannel = IdeBlkIoDevice->Channel;\r | |
1432 | *IdeDevice = IdeBlkIoDevice->Device;\r | |
1433 | \r | |
1434 | return EFI_SUCCESS;\r | |
1435 | }\r | |
1436 | \r | |
1437 | /**\r | |
1438 | The is an event(generally the event is exitBootService event) call back function.\r | |
1439 | Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.\r | |
1440 | \r | |
1441 | @param Event Pointer to this event\r | |
e3644786 | 1442 | @param Context Event handler private data\r |
563c9c8a | 1443 | \r |
1444 | **/\r | |
1445 | VOID\r | |
1446 | EFIAPI\r | |
1447 | ClearInterrupt (\r | |
1448 | IN EFI_EVENT Event,\r | |
1449 | IN VOID *Context\r | |
1450 | )\r | |
1451 | {\r | |
1452 | EFI_STATUS Status;\r | |
1453 | UINT64 IoPortForBmis;\r | |
1454 | UINT8 RegisterValue;\r | |
1455 | IDE_BLK_IO_DEV *IdeDev;\r | |
1456 | \r | |
1457 | //\r | |
1458 | // Get our context\r | |
1459 | //\r | |
1460 | IdeDev = (IDE_BLK_IO_DEV *) Context;\r | |
1461 | \r | |
1462 | //\r | |
1463 | // Obtain IDE IO port registers' base addresses\r | |
1464 | //\r | |
1465 | Status = ReassignIdeResources (IdeDev);\r | |
1466 | if (EFI_ERROR (Status)) {\r | |
1467 | return;\r | |
1468 | }\r | |
1469 | \r | |
1470 | //\r | |
1471 | // Check whether interrupt is pending\r | |
1472 | //\r | |
1473 | \r | |
1474 | //\r | |
1475 | // Reset IDE device to force it de-assert interrupt pin\r | |
1476 | // Note: this will reset all devices on this IDE channel\r | |
1477 | //\r | |
ca89ab9c | 1478 | Status = AtaSoftReset (IdeDev);\r |
563c9c8a | 1479 | if (EFI_ERROR (Status)) {\r |
1480 | return;\r | |
1481 | }\r | |
1482 | \r | |
1483 | //\r | |
1484 | // Get base address of IDE Bus Master Status Regsiter\r | |
1485 | //\r | |
1486 | if (IdePrimary == IdeDev->Channel) {\r | |
1487 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
1488 | } else {\r | |
1489 | if (IdeSecondary == IdeDev->Channel) {\r | |
1490 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
1491 | } else {\r | |
1492 | return;\r | |
1493 | }\r | |
1494 | }\r | |
1495 | //\r | |
1496 | // Read BMIS register and clear ERROR and INTR bit\r | |
1497 | //\r | |
1498 | IdeDev->PciIo->Io.Read (\r | |
1499 | IdeDev->PciIo,\r | |
1500 | EfiPciIoWidthUint8,\r | |
1501 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
1502 | IoPortForBmis,\r | |
1503 | 1,\r | |
1504 | &RegisterValue\r | |
1505 | );\r | |
1506 | \r | |
1507 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
1508 | \r | |
1509 | IdeDev->PciIo->Io.Write (\r | |
1510 | IdeDev->PciIo,\r | |
1511 | EfiPciIoWidthUint8,\r | |
1512 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
1513 | IoPortForBmis,\r | |
1514 | 1,\r | |
1515 | &RegisterValue\r | |
1516 | );\r | |
1517 | \r | |
1518 | //\r | |
1519 | // Select the other device on this channel to ensure this device to release the interrupt pin\r | |
1520 | //\r | |
1521 | if (IdeDev->Device == 0) {\r | |
1522 | RegisterValue = (1 << 4) | 0xe0;\r | |
1523 | } else {\r | |
1524 | RegisterValue = (0 << 4) | 0xe0;\r | |
1525 | }\r | |
1526 | IDEWritePortB (\r | |
1527 | IdeDev->PciIo,\r | |
1528 | IdeDev->IoPort->Head,\r | |
1529 | RegisterValue\r | |
1530 | );\r | |
1531 | \r | |
1532 | }\r | |
1533 | \r | |
1534 | /**\r | |
1535 | The user Entry Point for module IdeBus. The user code starts with this function.\r | |
1536 | \r | |
1537 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
1538 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
1539 | \r | |
1540 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
1541 | @retval other Some error occurs when executing this entry point.\r | |
1542 | \r | |
1543 | **/\r | |
1544 | EFI_STATUS\r | |
1545 | EFIAPI\r | |
1546 | InitializeIdeBus(\r | |
1547 | IN EFI_HANDLE ImageHandle,\r | |
1548 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1549 | )\r | |
1550 | {\r | |
1551 | EFI_STATUS Status;\r | |
1552 | \r | |
1553 | //\r | |
1554 | // Install driver model protocol(s).\r | |
1555 | //\r | |
1556 | Status = EfiLibInstallAllDriverProtocols2 (\r | |
1557 | ImageHandle,\r | |
1558 | SystemTable,\r | |
1559 | &gIDEBusDriverBinding,\r | |
1560 | ImageHandle,\r | |
1561 | &gIDEBusComponentName,\r | |
1562 | &gIDEBusComponentName2,\r | |
1563 | NULL,\r | |
1564 | NULL,\r | |
1565 | &gIDEBusDriverDiagnostics,\r | |
1566 | &gIDEBusDriverDiagnostics2\r | |
1567 | );\r | |
1568 | ASSERT_EFI_ERROR (Status);\r | |
1569 | \r | |
1570 | return Status;\r | |
1571 | }\r |