Commit | Line | Data |
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563c9c8a | 1 | /** @file\r |
0a6f4824 LG |
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 |
0a6f4824 LG |
5 | \r |
6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
c0a00b14 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
563c9c8a | 8 | \r |
9 | @par Revision Reference:\r | |
10 | This module is modified from DXE\IDE module for Ide Contriller Init support\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #include "IdeBus.h"\r | |
15 | \r | |
16 | #define PCI_CLASS_MASS_STORAGE 0x01\r | |
17 | #define PCI_SUB_CLASS_IDE 0x01\r | |
18 | \r | |
19 | \r | |
20 | //\r | |
21 | // IDE Bus Driver Binding Protocol Instance\r | |
22 | //\r | |
23 | EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding = {\r | |
24 | IDEBusDriverBindingSupported,\r | |
25 | IDEBusDriverBindingStart,\r | |
26 | IDEBusDriverBindingStop,\r | |
27 | 0xa,\r | |
28 | NULL,\r | |
29 | NULL\r | |
30 | };\r | |
31 | /**\r | |
32 | Deregister an IDE device and free resources\r | |
33 | \r | |
34 | @param This Protocol instance pointer.\r | |
35 | @param Controller Ide device handle\r | |
36 | @param Handle Handle of device to deregister driver on\r | |
37 | \r | |
38 | @retval EFI_SUCCESS Deregiter a specific IDE device successfully\r | |
39 | \r | |
40 | \r | |
41 | **/\r | |
42 | EFI_STATUS\r | |
43 | DeRegisterIdeDevice (\r | |
44 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
45 | IN EFI_HANDLE Controller,\r | |
46 | IN EFI_HANDLE Handle\r | |
47 | )\r | |
48 | {\r | |
49 | EFI_STATUS Status;\r | |
50 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
51 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
52 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
53 | UINTN Index;\r | |
54 | \r | |
55 | Status = gBS->OpenProtocol (\r | |
56 | Handle,\r | |
57 | &gEfiBlockIoProtocolGuid,\r | |
58 | (VOID **) &BlkIo,\r | |
59 | This->DriverBindingHandle,\r | |
60 | Controller,\r | |
61 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
62 | );\r | |
63 | if (EFI_ERROR (Status)) {\r | |
64 | return Status;\r | |
65 | }\r | |
66 | \r | |
67 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);\r | |
68 | \r | |
69 | //\r | |
70 | // Report Status code: Device disabled\r | |
71 | //\r | |
72 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
73 | EFI_PROGRESS_CODE,\r | |
74 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_DISABLE),\r | |
75 | IdeBlkIoDevice->DevicePath\r | |
76 | );\r | |
77 | \r | |
78 | //\r | |
79 | // Close the child handle\r | |
80 | //\r | |
81 | Status = gBS->CloseProtocol (\r | |
82 | Controller,\r | |
83 | &gEfiPciIoProtocolGuid,\r | |
84 | This->DriverBindingHandle,\r | |
85 | Handle\r | |
86 | );\r | |
87 | \r | |
88 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
89 | Handle,\r | |
90 | &gEfiDevicePathProtocolGuid,\r | |
91 | IdeBlkIoDevice->DevicePath,\r | |
92 | &gEfiBlockIoProtocolGuid,\r | |
93 | &IdeBlkIoDevice->BlkIo,\r | |
94 | &gEfiDiskInfoProtocolGuid,\r | |
95 | &IdeBlkIoDevice->DiskInfo,\r | |
96 | NULL\r | |
97 | );\r | |
98 | \r | |
99 | if (EFI_ERROR (Status)) {\r | |
100 | gBS->OpenProtocol (\r | |
101 | Controller,\r | |
102 | &gEfiPciIoProtocolGuid,\r | |
103 | (VOID **) &PciIo,\r | |
104 | This->DriverBindingHandle,\r | |
105 | Handle,\r | |
106 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
107 | );\r | |
108 | return Status;\r | |
109 | }\r | |
110 | \r | |
111 | //\r | |
112 | // Release allocated resources\r | |
113 | //\r | |
114 | Index = IdeBlkIoDevice->Channel * 2 + IdeBlkIoDevice->Device;\r | |
115 | if (Index < MAX_IDE_DEVICE) {\r | |
116 | IdeBlkIoDevice->IdeBusDriverPrivateData->HaveScannedDevice[Index] = FALSE;\r | |
117 | }\r | |
118 | ReleaseIdeResources (IdeBlkIoDevice);\r | |
119 | \r | |
120 | return EFI_SUCCESS;\r | |
121 | }\r | |
122 | /**\r | |
123 | Supported function of Driver Binding protocol for this driver.\r | |
124 | \r | |
125 | @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
126 | @param ControllerHandle The handle of the controller to test.\r | |
127 | @param RemainingDevicePath A pointer to the remaining portion of a device path.\r | |
128 | \r | |
129 | @retval EFI_SUCCESS Driver loaded.\r | |
130 | @retval other Driver not loaded.\r | |
131 | \r | |
132 | **/\r | |
133 | EFI_STATUS\r | |
134 | EFIAPI\r | |
135 | IDEBusDriverBindingSupported (\r | |
136 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
137 | IN EFI_HANDLE Controller,\r | |
138 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
139 | )\r | |
140 | {\r | |
141 | EFI_STATUS Status;\r | |
142 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
143 | EFI_DEV_PATH *Node;\r | |
144 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
e519401b SZ |
145 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
146 | PCI_TYPE00 PciData;\r | |
563c9c8a | 147 | \r |
148 | if (RemainingDevicePath != NULL) {\r | |
149 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
2277ab96 | 150 | //\r |
0a6f4824 | 151 | // Check if RemainingDevicePath is the End of Device Path Node,\r |
2277ab96 | 152 | // if yes, go on checking other conditions\r |
153 | //\r | |
154 | if (!IsDevicePathEnd (Node)) {\r | |
155 | //\r | |
156 | // If RemainingDevicePath isn't the End of Device Path Node,\r | |
157 | // check its validation\r | |
158 | //\r | |
159 | if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||\r | |
160 | Node->DevPath.SubType != MSG_ATAPI_DP ||\r | |
161 | DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) {\r | |
162 | return EFI_UNSUPPORTED;\r | |
163 | }\r | |
563c9c8a | 164 | }\r |
165 | }\r | |
166 | \r | |
167 | //\r | |
2277ab96 | 168 | // Verify the Ide Controller Init Protocol, which installed by the\r |
169 | // IdeController module.\r | |
563c9c8a | 170 | //\r |
171 | Status = gBS->OpenProtocol (\r | |
172 | Controller,\r | |
2277ab96 | 173 | &gEfiIdeControllerInitProtocolGuid,\r |
174 | (VOID **) &IdeInit,\r | |
563c9c8a | 175 | This->DriverBindingHandle,\r |
176 | Controller,\r | |
177 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
178 | );\r | |
2277ab96 | 179 | \r |
563c9c8a | 180 | if (Status == EFI_ALREADY_STARTED) {\r |
181 | return EFI_SUCCESS;\r | |
182 | }\r | |
183 | \r | |
9d0ece87 | 184 | if (EFI_ERROR (Status)) {\r |
185 | return Status;\r | |
186 | }\r | |
0a6f4824 | 187 | \r |
563c9c8a | 188 | //\r |
af4a6385 | 189 | // Close the I/O Abstraction(s) used to perform the supported test\r |
563c9c8a | 190 | //\r |
191 | gBS->CloseProtocol (\r | |
192 | Controller,\r | |
2277ab96 | 193 | &gEfiIdeControllerInitProtocolGuid,\r |
563c9c8a | 194 | This->DriverBindingHandle,\r |
195 | Controller\r | |
196 | );\r | |
197 | \r | |
198 | //\r | |
2277ab96 | 199 | // Open the EFI Device Path protocol needed to perform the supported test\r |
563c9c8a | 200 | //\r |
201 | Status = gBS->OpenProtocol (\r | |
202 | Controller,\r | |
2277ab96 | 203 | &gEfiDevicePathProtocolGuid,\r |
204 | (VOID **) &ParentDevicePath,\r | |
563c9c8a | 205 | This->DriverBindingHandle,\r |
206 | Controller,\r | |
207 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
208 | );\r | |
563c9c8a | 209 | if (Status == EFI_ALREADY_STARTED) {\r |
210 | return EFI_SUCCESS;\r | |
211 | }\r | |
212 | \r | |
213 | //\r | |
2277ab96 | 214 | // Close protocol, don't use device path protocol in the Support() function\r |
563c9c8a | 215 | //\r |
216 | gBS->CloseProtocol (\r | |
217 | Controller,\r | |
2277ab96 | 218 | &gEfiDevicePathProtocolGuid,\r |
563c9c8a | 219 | This->DriverBindingHandle,\r |
220 | Controller\r | |
221 | );\r | |
222 | \r | |
e519401b SZ |
223 | //\r |
224 | // Get the EfiPciIoProtocol\r | |
225 | //\r | |
226 | Status = gBS->OpenProtocol (\r | |
227 | Controller,\r | |
228 | &gEfiPciIoProtocolGuid,\r | |
229 | (VOID **) &PciIo,\r | |
230 | This->DriverBindingHandle,\r | |
231 | Controller,\r | |
232 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
233 | );\r | |
0a6f4824 | 234 | \r |
e519401b SZ |
235 | if (EFI_ERROR (Status)) {\r |
236 | return Status;\r | |
237 | }\r | |
0a6f4824 | 238 | \r |
e519401b SZ |
239 | //\r |
240 | // Now further check the PCI header: Base class (offset 0x0B) and\r | |
241 | // Sub Class (offset 0x0A). This controller should be an IDE controller\r | |
242 | //\r | |
243 | Status = PciIo->Pci.Read (\r | |
244 | PciIo,\r | |
245 | EfiPciIoWidthUint8,\r | |
246 | 0,\r | |
247 | sizeof (PciData),\r | |
248 | &PciData\r | |
249 | );\r | |
250 | \r | |
251 | if (!EFI_ERROR (Status)) {\r | |
252 | //\r | |
253 | // Examine if it is IDE mode by class code\r | |
254 | //\r | |
0a6f4824 | 255 | if ((PciData.Hdr.ClassCode[2] != PCI_CLASS_MASS_STORAGE) || (PciData.Hdr.ClassCode[1] != PCI_SUB_CLASS_IDE)) {\r |
e519401b | 256 | Status = EFI_UNSUPPORTED;\r |
0a6f4824 | 257 | } else {\r |
e519401b | 258 | Status = EFI_SUCCESS;\r |
0a6f4824 | 259 | }\r |
e519401b SZ |
260 | }\r |
261 | \r | |
563c9c8a | 262 | return Status;\r |
263 | }\r | |
264 | \r | |
265 | \r | |
266 | /**\r | |
267 | Start function of Driver binding protocol which start this driver on Controller\r | |
268 | by detecting all disks and installing BlockIo protocol on them.\r | |
269 | \r | |
270 | @param This Protocol instance pointer.\r | |
271 | @param Controller Handle of device to bind driver to.\r | |
272 | @param RemainingDevicePath produce all possible children.\r | |
273 | \r | |
274 | @retval EFI_SUCCESS This driver is added to ControllerHandle.\r | |
275 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r | |
276 | @retval other This driver does not support this device.\r | |
277 | \r | |
278 | **/\r | |
279 | EFI_STATUS\r | |
280 | EFIAPI\r | |
281 | IDEBusDriverBindingStart (\r | |
282 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
283 | IN EFI_HANDLE Controller,\r | |
284 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
285 | )\r | |
286 | {\r | |
287 | EFI_STATUS Status;\r | |
288 | EFI_STATUS SavedStatus;\r | |
289 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
290 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
291 | EFI_DEV_PATH *Node;\r | |
292 | UINT8 IdeChannel;\r | |
293 | UINT8 BeginningIdeChannel;\r | |
294 | UINT8 EndIdeChannel;\r | |
295 | UINT8 IdeDevice;\r | |
296 | UINT8 BeginningIdeDevice;\r | |
297 | UINT8 EndIdeDevice;\r | |
298 | IDE_BLK_IO_DEV *IdeBlkIoDevice[IdeMaxChannel][IdeMaxDevice];\r | |
299 | IDE_BLK_IO_DEV *IdeBlkIoDevicePtr;\r | |
300 | IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[IdeMaxChannel];\r | |
301 | ATA_TRANSFER_MODE TransferMode;\r | |
302 | ATA_DRIVE_PARMS DriveParameters;\r | |
303 | EFI_DEV_PATH NewNode;\r | |
304 | UINT8 ConfigurationOptions;\r | |
305 | UINT16 CommandBlockBaseAddr;\r | |
306 | UINT16 ControlBlockBaseAddr;\r | |
307 | UINTN DataSize;\r | |
308 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r | |
309 | UINT64 Supports;\r | |
310 | \r | |
311 | //\r | |
312 | // Local variables declaration for IdeControllerInit support\r | |
313 | //\r | |
314 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
315 | BOOLEAN EnumAll;\r | |
316 | BOOLEAN ChannelEnabled;\r | |
317 | UINT8 MaxDevices;\r | |
318 | EFI_IDENTIFY_DATA IdentifyData;\r | |
319 | EFI_ATA_COLLECTIVE_MODE *SupportedModes;\r | |
320 | \r | |
321 | IdeBusDriverPrivateData = NULL;\r | |
322 | SupportedModes = NULL;\r | |
323 | \r | |
324 | //\r | |
325 | // Perform IdeBus initialization\r | |
326 | //\r | |
327 | Status = gBS->OpenProtocol (\r | |
328 | Controller,\r | |
329 | &gEfiDevicePathProtocolGuid,\r | |
330 | (VOID **) &ParentDevicePath,\r | |
331 | This->DriverBindingHandle,\r | |
332 | Controller,\r | |
333 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
334 | );\r | |
335 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
336 | return Status;\r | |
337 | }\r | |
338 | \r | |
339 | //\r | |
340 | // Now open the IDE_CONTROLLER_INIT protocol. Step7.1\r | |
341 | //\r | |
342 | Status = gBS->OpenProtocol (\r | |
343 | Controller,\r | |
344 | &gEfiIdeControllerInitProtocolGuid,\r | |
345 | (VOID **) &IdeInit,\r | |
346 | This->DriverBindingHandle,\r | |
347 | Controller,\r | |
348 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
349 | );\r | |
350 | \r | |
351 | //\r | |
352 | // The following OpenProtocol function with _GET_PROTOCOL attribute and\r | |
353 | // will not return EFI_ALREADY_STARTED, so save it for now\r | |
354 | //\r | |
355 | SavedStatus = Status;\r | |
356 | \r | |
357 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
358 | DEBUG ((EFI_D_ERROR, "Open Init, Status=%x", Status));\r | |
359 | //\r | |
360 | // open protocol is not SUCCESS or not ALREADY_STARTED, error exit\r | |
361 | //\r | |
362 | goto ErrorExit;\r | |
363 | }\r | |
364 | \r | |
365 | //\r | |
366 | // Save Enumall. Step7.2\r | |
367 | //\r | |
368 | EnumAll = IdeInit->EnumAll;\r | |
369 | \r | |
370 | //\r | |
371 | // Consume PCI I/O protocol. Note that the OpenProtocol with _GET_PROTOCOL\r | |
372 | // attribute will not return EFI_ALREADY_STARTED\r | |
373 | //\r | |
374 | Status = gBS->OpenProtocol (\r | |
375 | Controller,\r | |
376 | &gEfiPciIoProtocolGuid,\r | |
377 | (VOID **) &PciIo,\r | |
378 | This->DriverBindingHandle,\r | |
379 | Controller,\r | |
380 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
381 | );\r | |
382 | if (EFI_ERROR (Status)) {\r | |
383 | DEBUG ((EFI_D_ERROR, "Open PciIo, Status=%x", Status));\r | |
384 | goto ErrorExit;\r | |
385 | }\r | |
386 | \r | |
387 | //\r | |
388 | // We must check EFI_ALREADY_STARTED because many ATAPI devices are removable\r | |
389 | //\r | |
390 | if (SavedStatus != EFI_ALREADY_STARTED) {\r | |
391 | IdeBusDriverPrivateData = AllocatePool (sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r | |
392 | if (IdeBusDriverPrivateData == NULL) {\r | |
393 | Status = EFI_OUT_OF_RESOURCES;\r | |
394 | goto ErrorExit;\r | |
395 | }\r | |
396 | \r | |
397 | ZeroMem (IdeBusDriverPrivateData, sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r | |
398 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
399 | &Controller,\r | |
400 | &gEfiCallerIdGuid,\r | |
401 | IdeBusDriverPrivateData,\r | |
402 | NULL\r | |
403 | );\r | |
404 | if (EFI_ERROR (Status)) {\r | |
405 | goto ErrorExit;\r | |
406 | }\r | |
407 | \r | |
408 | } else {\r | |
409 | Status = gBS->OpenProtocol (\r | |
410 | Controller,\r | |
411 | &gEfiCallerIdGuid,\r | |
412 | (VOID **) &IdeBusDriverPrivateData,\r | |
413 | This->DriverBindingHandle,\r | |
414 | Controller,\r | |
415 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
416 | );\r | |
417 | if (EFI_ERROR (Status)) {\r | |
418 | IdeBusDriverPrivateData = NULL;\r | |
419 | goto ErrorExit;\r | |
420 | }\r | |
421 | }\r | |
422 | \r | |
423 | Status = PciIo->Attributes (\r | |
424 | PciIo,\r | |
425 | EfiPciIoAttributeOperationSupported,\r | |
426 | 0,\r | |
427 | &Supports\r | |
428 | );\r | |
429 | if (!EFI_ERROR (Status)) {\r | |
1a45b15e | 430 | Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r |
563c9c8a | 431 | Status = PciIo->Attributes (\r |
432 | PciIo,\r | |
433 | EfiPciIoAttributeOperationEnable,\r | |
434 | Supports,\r | |
435 | NULL\r | |
436 | );\r | |
437 | }\r | |
438 | \r | |
439 | if (EFI_ERROR (Status)) {\r | |
440 | goto ErrorExit;\r | |
441 | }\r | |
442 | \r | |
443 | //\r | |
444 | // Read the environment variable that contains the IDEBus Driver's\r | |
445 | // Config options that were set by the Driver Configuration Protocol\r | |
446 | //\r | |
447 | DataSize = sizeof (ConfigurationOptions);\r | |
448 | Status = gRT->GetVariable (\r | |
449 | (CHAR16 *) L"Configuration",\r | |
450 | &gEfiCallerIdGuid,\r | |
451 | NULL,\r | |
452 | &DataSize,\r | |
453 | &ConfigurationOptions\r | |
454 | );\r | |
455 | if (EFI_ERROR (Status)) {\r | |
456 | ConfigurationOptions = 0x0f;\r | |
457 | }\r | |
458 | \r | |
2277ab96 | 459 | if (EnumAll || RemainingDevicePath == NULL) {\r |
563c9c8a | 460 | //\r |
0a6f4824 | 461 | // If IdeInit->EnumAll is TRUE or RemainingDevicePath is NULL,\r |
af4a6385 | 462 | // must enumerate all IDE devices anyway\r |
563c9c8a | 463 | //\r |
464 | BeginningIdeChannel = IdePrimary;\r | |
465 | EndIdeChannel = IdeSecondary;\r | |
466 | BeginningIdeDevice = IdeMaster;\r | |
467 | EndIdeDevice = IdeSlave;\r | |
2277ab96 | 468 | \r |
469 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
563c9c8a | 470 | //\r |
0a6f4824 | 471 | // If RemainingDevicePath isn't the End of Device Path Node,\r |
af4a6385 | 472 | // only scan the specified device by RemainingDevicePath\r |
563c9c8a | 473 | //\r |
474 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
475 | BeginningIdeChannel = Node->Atapi.PrimarySecondary;\r | |
476 | EndIdeChannel = BeginningIdeChannel;\r | |
477 | BeginningIdeDevice = Node->Atapi.SlaveMaster;\r | |
478 | EndIdeDevice = BeginningIdeDevice;\r | |
479 | if (BeginningIdeChannel >= IdeMaxChannel || EndIdeChannel >= IdeMaxChannel) {\r | |
480 | Status = EFI_INVALID_PARAMETER;\r | |
481 | goto ErrorExit;\r | |
482 | }\r | |
483 | if (BeginningIdeDevice >= IdeMaxDevice|| EndIdeDevice >= IdeMaxDevice) {\r | |
484 | Status = EFI_INVALID_PARAMETER;\r | |
485 | goto ErrorExit;\r | |
486 | }\r | |
2277ab96 | 487 | \r |
488 | } else {\r | |
489 | //\r | |
af4a6385 | 490 | // If RemainingDevicePath is the End of Device Path Node,\r |
2277ab96 | 491 | // skip enumerate any device and return EFI_SUCESSS\r |
0a6f4824 | 492 | //\r |
2277ab96 | 493 | BeginningIdeChannel = IdeMaxChannel;\r |
494 | EndIdeChannel = IdeMaxChannel - 1;\r | |
495 | BeginningIdeDevice = IdeMaxDevice;\r | |
496 | EndIdeDevice = IdeMaxDevice - 1;\r | |
563c9c8a | 497 | }\r |
498 | \r | |
499 | //\r | |
500 | // Obtain IDE IO port registers' base addresses\r | |
501 | //\r | |
502 | Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);\r | |
503 | if (EFI_ERROR (Status)) {\r | |
504 | goto ErrorExit;\r | |
505 | }\r | |
506 | \r | |
507 | //\r | |
508 | // Report status code: begin IdeBus initialization\r | |
509 | //\r | |
510 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
511 | EFI_PROGRESS_CODE,\r | |
512 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
513 | ParentDevicePath\r | |
514 | );\r | |
515 | \r | |
516 | //\r | |
517 | // Strictly follow the enumeration based on IDE_CONTROLLER_INIT protocol\r | |
518 | //\r | |
519 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r | |
520 | \r | |
521 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel);\r | |
522 | \r | |
523 | //\r | |
524 | // now obtain channel information fron IdeControllerInit protocol. Step9\r | |
525 | //\r | |
526 | Status = IdeInit->GetChannelInfo (\r | |
527 | IdeInit,\r | |
528 | IdeChannel,\r | |
529 | &ChannelEnabled,\r | |
530 | &MaxDevices\r | |
531 | );\r | |
532 | if (EFI_ERROR (Status)) {\r | |
533 | DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));\r | |
534 | continue;\r | |
535 | }\r | |
536 | \r | |
537 | if (!ChannelEnabled) {\r | |
538 | continue;\r | |
539 | }\r | |
540 | \r | |
541 | EndIdeDevice = (UINT8) MIN ((MaxDevices - 1), EndIdeDevice);\r | |
542 | ASSERT (EndIdeDevice < IdeMaxDevice);\r | |
543 | //\r | |
544 | // Now inform the IDE Controller Init Module. Sept10\r | |
545 | //\r | |
546 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel);\r | |
547 | \r | |
548 | //\r | |
549 | // No reset channel function implemented. Sept11\r | |
550 | //\r | |
551 | IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel);\r | |
552 | \r | |
553 | //\r | |
554 | // Step13\r | |
555 | //\r | |
556 | IdeInit->NotifyPhase (\r | |
557 | IdeInit,\r | |
558 | EfiIdeBusBeforeDevicePresenceDetection,\r | |
559 | IdeChannel\r | |
560 | );\r | |
561 | \r | |
562 | //\r | |
563 | // Prepare to detect IDE device of this channel\r | |
564 | //\r | |
565 | InitializeIDEChannelData ();\r | |
566 | \r | |
567 | //\r | |
568 | // -- 1st inner loop --- Master/Slave ------------ Step14\r | |
569 | //\r | |
570 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r | |
571 | //\r | |
572 | // Check whether the configuration options allow this device\r | |
573 | //\r | |
574 | if ((ConfigurationOptions & (1 << (IdeChannel * 2 + IdeDevice))) == 0) {\r | |
575 | continue;\r | |
576 | }\r | |
577 | \r | |
578 | //\r | |
579 | // The device has been scanned in another Start(), No need to scan it again\r | |
580 | // for perf optimization.\r | |
581 | //\r | |
582 | if (IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice]) {\r | |
583 | continue;\r | |
584 | }\r | |
585 | \r | |
586 | //\r | |
587 | // create child handle for the detected device.\r | |
588 | //\r | |
589 | IdeBlkIoDevice[IdeChannel][IdeDevice] = AllocatePool (sizeof (IDE_BLK_IO_DEV));\r | |
590 | if (IdeBlkIoDevice[IdeChannel][IdeDevice] == NULL) {\r | |
591 | continue;\r | |
592 | }\r | |
593 | \r | |
594 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r | |
595 | \r | |
596 | ZeroMem (IdeBlkIoDevicePtr, sizeof (IDE_BLK_IO_DEV));\r | |
597 | \r | |
598 | IdeBlkIoDevicePtr->Signature = IDE_BLK_IO_DEV_SIGNATURE;\r | |
599 | IdeBlkIoDevicePtr->Channel = (EFI_IDE_CHANNEL) IdeChannel;\r | |
600 | IdeBlkIoDevicePtr->Device = (EFI_IDE_DEVICE) IdeDevice;\r | |
601 | \r | |
602 | //\r | |
603 | // initialize Block IO interface's Media pointer\r | |
604 | //\r | |
605 | IdeBlkIoDevicePtr->BlkIo.Media = &IdeBlkIoDevicePtr->BlkMedia;\r | |
606 | \r | |
607 | //\r | |
608 | // Initialize IDE IO port addresses, including Command Block registers\r | |
609 | // and Control Block registers\r | |
610 | //\r | |
611 | IdeBlkIoDevicePtr->IoPort = AllocatePool (sizeof (IDE_BASE_REGISTERS));\r | |
612 | if (IdeBlkIoDevicePtr->IoPort == NULL) {\r | |
613 | continue;\r | |
614 | }\r | |
615 | \r | |
616 | ZeroMem (IdeBlkIoDevicePtr->IoPort, sizeof (IDE_BASE_REGISTERS));\r | |
617 | CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;\r | |
618 | ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;\r | |
619 | \r | |
620 | IdeBlkIoDevicePtr->IoPort->Data = CommandBlockBaseAddr;\r | |
621 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
622 | IdeBlkIoDevicePtr->IoPort->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
623 | IdeBlkIoDevicePtr->IoPort->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
624 | IdeBlkIoDevicePtr->IoPort->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
625 | IdeBlkIoDevicePtr->IoPort->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
626 | IdeBlkIoDevicePtr->IoPort->Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
627 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
628 | \r | |
629 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Alt) = ControlBlockBaseAddr;\r | |
630 | IdeBlkIoDevicePtr->IoPort->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);\r | |
631 | \r | |
632 | IdeBlkIoDevicePtr->IoPort->MasterSlave = (UINT16) ((IdeDevice == IdeMaster) ? 1 : 0);\r | |
633 | \r | |
634 | IdeBlkIoDevicePtr->PciIo = PciIo;\r | |
635 | IdeBlkIoDevicePtr->IdeBusDriverPrivateData = IdeBusDriverPrivateData;\r | |
636 | IdeBlkIoDevicePtr->IoPort->BusMasterBaseAddr = IdeRegsBaseAddr[IdeChannel].BusMasterBaseAddr;\r | |
637 | \r | |
638 | //\r | |
639 | // Report Status code: is about to detect IDE drive\r | |
640 | //\r | |
641 | REPORT_STATUS_CODE_EX (\r | |
642 | EFI_PROGRESS_CODE,\r | |
643 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_PRESENCE_DETECT),\r | |
644 | 0,\r | |
645 | &gEfiCallerIdGuid,\r | |
646 | NULL,\r | |
647 | NULL,\r | |
648 | 0\r | |
649 | );\r | |
650 | \r | |
651 | //\r | |
652 | // Discover device, now!\r | |
653 | //\r | |
654 | PERF_START (NULL, "DiscoverIdeDevice", "IDE", 0);\r | |
655 | Status = DiscoverIdeDevice (IdeBlkIoDevicePtr);\r | |
656 | PERF_END (NULL, "DiscoverIdeDevice", "IDE", 0);\r | |
657 | \r | |
658 | IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
659 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
660 | \r | |
661 | if (!EFI_ERROR (Status)) {\r | |
662 | //\r | |
663 | // Set Device Path\r | |
664 | //\r | |
665 | ZeroMem (&NewNode, sizeof (NewNode));\r | |
666 | NewNode.DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
667 | NewNode.DevPath.SubType = MSG_ATAPI_DP;\r | |
668 | SetDevicePathNodeLength (&NewNode.DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
669 | \r | |
670 | NewNode.Atapi.PrimarySecondary = (UINT8) IdeBlkIoDevicePtr->Channel;\r | |
671 | NewNode.Atapi.SlaveMaster = (UINT8) IdeBlkIoDevicePtr->Device;\r | |
672 | NewNode.Atapi.Lun = IdeBlkIoDevicePtr->Lun;\r | |
673 | IdeBlkIoDevicePtr->DevicePath = AppendDevicePathNode (\r | |
674 | ParentDevicePath,\r | |
675 | &NewNode.DevPath\r | |
676 | );\r | |
677 | if (IdeBlkIoDevicePtr->DevicePath == NULL) {\r | |
678 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
679 | continue;\r | |
680 | }\r | |
681 | \r | |
682 | //\r | |
683 | // Submit identify data to IDE controller init driver\r | |
684 | //\r | |
685 | CopyMem (&IdentifyData, IdeBlkIoDevicePtr->IdData, sizeof (IdentifyData));\r | |
686 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
687 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &IdentifyData);\r | |
688 | } else {\r | |
689 | //\r | |
690 | // Device detection failed\r | |
691 | //\r | |
692 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
693 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, NULL);\r | |
694 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
695 | IdeBlkIoDevicePtr = NULL;\r | |
696 | }\r | |
697 | //\r | |
698 | // end of 1st inner loop ---\r | |
699 | //\r | |
700 | }\r | |
701 | //\r | |
702 | // end of 1st outer loop =========\r | |
703 | //\r | |
704 | }\r | |
705 | \r | |
706 | //\r | |
707 | // = 2nd outer loop == Primary/Secondary =================\r | |
708 | //\r | |
709 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r | |
710 | \r | |
711 | //\r | |
712 | // -- 2nd inner loop --- Master/Slave --------\r | |
713 | //\r | |
714 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r | |
715 | \r | |
9bdcf582 | 716 | ASSERT (IdeChannel * 2 + IdeDevice < MAX_IDE_DEVICE);\r |
563c9c8a | 717 | if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) {\r |
718 | continue;\r | |
719 | }\r | |
720 | \r | |
721 | if (!IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice]) {\r | |
722 | continue;\r | |
723 | }\r | |
724 | \r | |
725 | Status = IdeInit->CalculateMode (\r | |
726 | IdeInit,\r | |
727 | IdeChannel,\r | |
728 | IdeDevice,\r | |
729 | &SupportedModes\r | |
730 | );\r | |
731 | if (EFI_ERROR (Status)) {\r | |
732 | DEBUG ((EFI_D_ERROR, "[bStStp20S=%x]", Status));\r | |
733 | continue;\r | |
734 | }\r | |
735 | \r | |
9bdcf582 | 736 | ASSERT (IdeChannel < IdeMaxChannel && IdeDevice < IdeMaxDevice);\r |
563c9c8a | 737 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r |
738 | \r | |
739 | //\r | |
740 | // Set best supported PIO mode on this IDE device\r | |
741 | //\r | |
742 | if (SupportedModes->PioMode.Mode <= AtaPioMode2) {\r | |
743 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_DEFAULT_PIO;\r | |
744 | } else {\r | |
745 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_FLOW_PIO;\r | |
746 | }\r | |
747 | \r | |
748 | TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);\r | |
749 | \r | |
750 | if (SupportedModes->ExtModeCount == 0){\r | |
751 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
752 | \r | |
753 | if (EFI_ERROR (Status)) {\r | |
754 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
755 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
756 | IdeBlkIoDevicePtr = NULL;\r | |
757 | continue;\r | |
758 | }\r | |
759 | }\r | |
760 | \r | |
761 | //\r | |
762 | // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't\r | |
763 | // be set together. Only one DMA mode can be set to a device. If setting\r | |
764 | // DMA mode operation fails, we can continue moving on because we only use\r | |
765 | // PIO mode at boot time. DMA modes are used by certain kind of OS booting\r | |
766 | //\r | |
767 | if (SupportedModes->UdmaMode.Valid) {\r | |
768 | \r | |
769 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_UDMA;\r | |
770 | TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode);\r | |
771 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
772 | \r | |
773 | if (EFI_ERROR (Status)) {\r | |
774 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
775 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
776 | IdeBlkIoDevicePtr = NULL;\r | |
777 | continue;\r | |
778 | }\r | |
779 | //\r | |
780 | // Record Udma Mode\r | |
781 | //\r | |
782 | IdeBlkIoDevicePtr->UdmaMode.Valid = TRUE;\r | |
783 | IdeBlkIoDevicePtr->UdmaMode.Mode = SupportedModes->UdmaMode.Mode;\r | |
784 | EnableInterrupt (IdeBlkIoDevicePtr);\r | |
785 | } else if (SupportedModes->MultiWordDmaMode.Valid) {\r | |
786 | \r | |
787 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_MDMA;\r | |
788 | TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode;\r | |
789 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
790 | \r | |
791 | if (EFI_ERROR (Status)) {\r | |
792 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
793 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
794 | IdeBlkIoDevicePtr = NULL;\r | |
795 | continue;\r | |
796 | }\r | |
797 | \r | |
798 | EnableInterrupt (IdeBlkIoDevicePtr);\r | |
799 | }\r | |
800 | //\r | |
801 | // Init driver parameters\r | |
802 | //\r | |
a7ddec11 | 803 | DriveParameters.Sector = (UINT8) ((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->sectors_per_track;\r |
804 | DriveParameters.Heads = (UINT8) (((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->heads - 1);\r | |
563c9c8a | 805 | DriveParameters.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt;\r |
806 | //\r | |
807 | // Set Parameters for the device:\r | |
808 | // 1) Init\r | |
809 | // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command\r | |
810 | //\r | |
811 | if ((IdeBlkIoDevicePtr->Type == IdeHardDisk) || (IdeBlkIoDevicePtr->Type == Ide48bitAddressingHardDisk)) {\r | |
812 | Status = SetDriveParameters (IdeBlkIoDevicePtr, &DriveParameters);\r | |
813 | }\r | |
814 | \r | |
815 | //\r | |
816 | // Record PIO mode used in private data\r | |
817 | //\r | |
818 | IdeBlkIoDevicePtr->PioMode = (ATA_PIO_MODE) SupportedModes->PioMode.Mode;\r | |
819 | \r | |
820 | //\r | |
821 | // Set IDE controller Timing Blocks in the PCI Configuration Space\r | |
822 | //\r | |
823 | IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes);\r | |
824 | \r | |
825 | //\r | |
826 | // Add Component Name for the IDE/ATAPI device that was discovered.\r | |
827 | //\r | |
828 | IdeBlkIoDevicePtr->ControllerNameTable = NULL;\r | |
829 | ADD_IDE_ATAPI_NAME (IdeBlkIoDevicePtr);\r | |
830 | \r | |
831 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
832 | &IdeBlkIoDevicePtr->Handle,\r | |
833 | &gEfiDevicePathProtocolGuid,\r | |
834 | IdeBlkIoDevicePtr->DevicePath,\r | |
835 | &gEfiBlockIoProtocolGuid,\r | |
836 | &IdeBlkIoDevicePtr->BlkIo,\r | |
837 | &gEfiDiskInfoProtocolGuid,\r | |
838 | &IdeBlkIoDevicePtr->DiskInfo,\r | |
839 | NULL\r | |
840 | );\r | |
841 | \r | |
842 | if (EFI_ERROR (Status)) {\r | |
843 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
844 | }\r | |
845 | \r | |
846 | gBS->OpenProtocol (\r | |
847 | Controller,\r | |
848 | &gEfiPciIoProtocolGuid,\r | |
849 | (VOID **) &PciIo,\r | |
850 | This->DriverBindingHandle,\r | |
851 | IdeBlkIoDevicePtr->Handle,\r | |
852 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
853 | );\r | |
854 | \r | |
855 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
856 | \r | |
857 | //\r | |
858 | // Report status code: device eanbled!\r | |
859 | //\r | |
860 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
861 | EFI_PROGRESS_CODE,\r | |
862 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE),\r | |
863 | IdeBlkIoDevicePtr->DevicePath\r | |
864 | );\r | |
865 | \r | |
866 | //\r | |
867 | // Create event to clear pending IDE interrupt\r | |
868 | //\r | |
869 | Status = gBS->CreateEventEx (\r | |
870 | EVT_NOTIFY_SIGNAL,\r | |
871 | TPL_NOTIFY,\r | |
872 | ClearInterrupt,\r | |
873 | IdeBlkIoDevicePtr,\r | |
874 | &gEfiEventExitBootServicesGuid,\r | |
875 | &IdeBlkIoDevicePtr->ExitBootServiceEvent\r | |
876 | );\r | |
877 | \r | |
878 | //\r | |
879 | // end of 2nd inner loop ----\r | |
880 | //\r | |
881 | }\r | |
882 | //\r | |
883 | // end of 2nd outer loop ==========\r | |
884 | //\r | |
885 | }\r | |
886 | \r | |
887 | //\r | |
888 | // All configurations done! Notify IdeController to do post initialization\r | |
889 | // work such as saving IDE controller PCI settings for S3 resume\r | |
890 | //\r | |
891 | IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);\r | |
892 | \r | |
893 | if (SupportedModes != NULL) {\r | |
2277ab96 | 894 | FreePool (SupportedModes);\r |
563c9c8a | 895 | }\r |
896 | \r | |
897 | PERF_START (NULL, "Finish IDE detection", "IDE", 1);\r | |
898 | PERF_END (NULL, "Finish IDE detection", "IDE", 0);\r | |
899 | \r | |
900 | return EFI_SUCCESS;\r | |
901 | \r | |
902 | ErrorExit:\r | |
903 | \r | |
904 | //\r | |
905 | // Report error code: controller error\r | |
906 | //\r | |
907 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
908 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
909 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_EC_CONTROLLER_ERROR),\r | |
910 | ParentDevicePath\r | |
911 | );\r | |
912 | \r | |
913 | gBS->CloseProtocol (\r | |
914 | Controller,\r | |
915 | &gEfiIdeControllerInitProtocolGuid,\r | |
916 | This->DriverBindingHandle,\r | |
917 | Controller\r | |
918 | );\r | |
919 | \r | |
920 | gBS->UninstallMultipleProtocolInterfaces (\r | |
921 | Controller,\r | |
922 | &gEfiCallerIdGuid,\r | |
923 | IdeBusDriverPrivateData,\r | |
924 | NULL\r | |
925 | );\r | |
926 | \r | |
927 | if (IdeBusDriverPrivateData != NULL) {\r | |
928 | gBS->FreePool (IdeBusDriverPrivateData);\r | |
929 | }\r | |
930 | \r | |
931 | if (SupportedModes != NULL) {\r | |
932 | gBS->FreePool (SupportedModes);\r | |
933 | }\r | |
934 | \r | |
935 | gBS->CloseProtocol (\r | |
936 | Controller,\r | |
937 | &gEfiPciIoProtocolGuid,\r | |
938 | This->DriverBindingHandle,\r | |
939 | Controller\r | |
940 | );\r | |
941 | \r | |
942 | gBS->CloseProtocol (\r | |
943 | Controller,\r | |
944 | &gEfiDevicePathProtocolGuid,\r | |
945 | This->DriverBindingHandle,\r | |
946 | Controller\r | |
947 | );\r | |
948 | \r | |
949 | return Status;\r | |
950 | \r | |
951 | }\r | |
952 | /**\r | |
953 | Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all\r | |
954 | child handle attached to the controller handle if there are.\r | |
955 | \r | |
956 | @param This Protocol instance pointer.\r | |
957 | @param Controller Handle of device to stop driver on\r | |
958 | @param NumberOfChildren Not used\r | |
959 | @param ChildHandleBuffer Not used\r | |
960 | \r | |
961 | @retval EFI_SUCCESS This driver is removed DeviceHandle\r | |
962 | @retval other This driver was not removed from this device\r | |
963 | \r | |
964 | **/\r | |
965 | EFI_STATUS\r | |
966 | EFIAPI\r | |
967 | IDEBusDriverBindingStop (\r | |
968 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
969 | IN EFI_HANDLE Controller,\r | |
970 | IN UINTN NumberOfChildren,\r | |
971 | IN EFI_HANDLE *ChildHandleBuffer\r | |
972 | )\r | |
973 | {\r | |
974 | EFI_STATUS Status;\r | |
975 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
976 | BOOLEAN AllChildrenStopped;\r | |
977 | UINTN Index;\r | |
978 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r | |
979 | UINT64 Supports;\r | |
980 | \r | |
981 | IdeBusDriverPrivateData = NULL;\r | |
982 | \r | |
983 | if (NumberOfChildren == 0) {\r | |
984 | \r | |
985 | Status = gBS->OpenProtocol (\r | |
986 | Controller,\r | |
987 | &gEfiPciIoProtocolGuid,\r | |
988 | (VOID **) &PciIo,\r | |
989 | This->DriverBindingHandle,\r | |
990 | Controller,\r | |
991 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
992 | );\r | |
993 | if (!EFI_ERROR (Status)) {\r | |
994 | Status = PciIo->Attributes (\r | |
995 | PciIo,\r | |
996 | EfiPciIoAttributeOperationSupported,\r | |
997 | 0,\r | |
998 | &Supports\r | |
999 | );\r | |
1000 | if (!EFI_ERROR (Status)) {\r | |
1a45b15e | 1001 | Supports &= (UINT64)(EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE);\r |
563c9c8a | 1002 | PciIo->Attributes (\r |
1003 | PciIo,\r | |
1004 | EfiPciIoAttributeOperationDisable,\r | |
1005 | Supports,\r | |
1006 | NULL\r | |
1007 | );\r | |
1008 | }\r | |
1009 | }\r | |
1010 | \r | |
1011 | gBS->OpenProtocol (\r | |
1012 | Controller,\r | |
1013 | &gEfiCallerIdGuid,\r | |
1014 | (VOID **) &IdeBusDriverPrivateData,\r | |
1015 | This->DriverBindingHandle,\r | |
1016 | Controller,\r | |
1017 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1018 | );\r | |
1019 | \r | |
1020 | gBS->UninstallMultipleProtocolInterfaces (\r | |
1021 | Controller,\r | |
1022 | &gEfiCallerIdGuid,\r | |
1023 | IdeBusDriverPrivateData,\r | |
1024 | NULL\r | |
1025 | );\r | |
1026 | \r | |
1027 | if (IdeBusDriverPrivateData != NULL) {\r | |
1028 | gBS->FreePool (IdeBusDriverPrivateData);\r | |
1029 | }\r | |
1030 | //\r | |
1031 | // Close the bus driver\r | |
1032 | //\r | |
1033 | gBS->CloseProtocol (\r | |
1034 | Controller,\r | |
1035 | &gEfiIdeControllerInitProtocolGuid,\r | |
1036 | This->DriverBindingHandle,\r | |
1037 | Controller\r | |
1038 | );\r | |
1039 | gBS->CloseProtocol (\r | |
1040 | Controller,\r | |
1041 | &gEfiPciIoProtocolGuid,\r | |
1042 | This->DriverBindingHandle,\r | |
1043 | Controller\r | |
1044 | );\r | |
1045 | gBS->CloseProtocol (\r | |
1046 | Controller,\r | |
1047 | &gEfiDevicePathProtocolGuid,\r | |
1048 | This->DriverBindingHandle,\r | |
1049 | Controller\r | |
1050 | );\r | |
1051 | \r | |
1052 | return EFI_SUCCESS;\r | |
1053 | }\r | |
1054 | \r | |
1055 | AllChildrenStopped = TRUE;\r | |
1056 | \r | |
1057 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
1058 | \r | |
1059 | Status = DeRegisterIdeDevice (This, Controller, ChildHandleBuffer[Index]);\r | |
1060 | \r | |
1061 | if (EFI_ERROR (Status)) {\r | |
1062 | AllChildrenStopped = FALSE;\r | |
1063 | }\r | |
1064 | }\r | |
1065 | \r | |
1066 | if (!AllChildrenStopped) {\r | |
1067 | return EFI_DEVICE_ERROR;\r | |
1068 | }\r | |
1069 | \r | |
1070 | return EFI_SUCCESS;\r | |
1071 | }\r | |
1072 | \r | |
1073 | /**\r | |
1074 | issue ATA or ATAPI command to reset a block IO device.\r | |
1075 | @param This Block IO protocol instance pointer.\r | |
1076 | @param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method\r | |
1077 | If TRUE, for ATAPI device, driver need invoke ATA reset method after\r | |
1078 | invoke ATAPI reset method\r | |
1079 | \r | |
1080 | @retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device.\r | |
1081 | @retval EFI_SUCCESS The device reset successfully\r | |
1082 | \r | |
1083 | **/\r | |
1084 | EFI_STATUS\r | |
1085 | EFIAPI\r | |
1086 | IDEBlkIoReset (\r | |
1087 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1088 | IN BOOLEAN ExtendedVerification\r | |
1089 | )\r | |
1090 | {\r | |
1091 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1092 | EFI_STATUS Status;\r | |
1093 | EFI_TPL OldTpl;\r | |
1094 | \r | |
1095 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1096 | \r | |
1097 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1098 | //\r | |
1099 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1100 | //\r | |
1101 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1102 | \r | |
1103 | //\r | |
1104 | // for ATA device, using ATA reset method\r | |
1105 | //\r | |
1106 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1107 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1108 | Status = AtaSoftReset (IdeBlkIoDevice);\r | |
1109 | goto Done;\r | |
1110 | }\r | |
1111 | \r | |
1112 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1113 | Status = EFI_DEVICE_ERROR;\r | |
1114 | goto Done;\r | |
1115 | }\r | |
1116 | \r | |
1117 | //\r | |
1118 | // for ATAPI device, using ATAPI reset method\r | |
1119 | //\r | |
1120 | Status = AtapiSoftReset (IdeBlkIoDevice);\r | |
1121 | if (ExtendedVerification) {\r | |
1122 | Status = AtaSoftReset (IdeBlkIoDevice);\r | |
1123 | }\r | |
1124 | \r | |
1125 | Done:\r | |
1126 | gBS->RestoreTPL (OldTpl);\r | |
1127 | return Status;\r | |
1128 | }\r | |
1129 | \r | |
1130 | /**\r | |
1131 | Read data from a block IO device\r | |
1132 | \r | |
1133 | @param This Block IO protocol instance pointer.\r | |
1134 | @param MediaId The media ID of the device\r | |
cd57e888 | 1135 | @param Lba Starting LBA address to read data\r |
563c9c8a | 1136 | @param BufferSize The size of data to be read\r |
1137 | @param Buffer Caller supplied buffer to save data\r | |
1138 | \r | |
1139 | @retval EFI_DEVICE_ERROR unknown device type\r | |
1140 | @retval other read data status.\r | |
1141 | \r | |
1142 | **/\r | |
1143 | EFI_STATUS\r | |
1144 | EFIAPI\r | |
1145 | IDEBlkIoReadBlocks (\r | |
1146 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1147 | IN UINT32 MediaId,\r | |
cd57e888 | 1148 | IN EFI_LBA Lba,\r |
563c9c8a | 1149 | IN UINTN BufferSize,\r |
1150 | OUT VOID *Buffer\r | |
1151 | )\r | |
1152 | {\r | |
1153 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1154 | EFI_STATUS Status;\r | |
1155 | EFI_TPL OldTpl;\r | |
1156 | \r | |
1157 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1158 | \r | |
1159 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1160 | \r | |
1161 | //\r | |
1162 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1163 | //\r | |
1164 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1165 | \r | |
1166 | //\r | |
1167 | // For ATA compatible device, use ATA read block's mechanism\r | |
1168 | //\r | |
1169 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1170 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1171 | Status = AtaBlkIoReadBlocks (\r | |
1172 | IdeBlkIoDevice,\r | |
1173 | MediaId,\r | |
cd57e888 | 1174 | Lba,\r |
563c9c8a | 1175 | BufferSize,\r |
1176 | Buffer\r | |
1177 | );\r | |
1178 | goto Done;\r | |
1179 | }\r | |
1180 | \r | |
1181 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1182 | Status = EFI_DEVICE_ERROR;\r | |
1183 | goto Done;\r | |
1184 | }\r | |
1185 | \r | |
1186 | //\r | |
1187 | // for ATAPI device, using ATAPI read block's mechanism\r | |
1188 | //\r | |
1189 | Status = AtapiBlkIoReadBlocks (\r | |
1190 | IdeBlkIoDevice,\r | |
1191 | MediaId,\r | |
cd57e888 | 1192 | Lba,\r |
563c9c8a | 1193 | BufferSize,\r |
1194 | Buffer\r | |
1195 | );\r | |
1196 | \r | |
1197 | Done:\r | |
1198 | gBS->RestoreTPL (OldTpl);\r | |
1199 | \r | |
1200 | return Status;\r | |
1201 | }\r | |
1202 | \r | |
1203 | /**\r | |
cd57e888 | 1204 | Write data to block io device.\r |
563c9c8a | 1205 | \r |
1206 | @param This Protocol instance pointer.\r | |
1207 | @param MediaId The media ID of the device\r | |
cd57e888 | 1208 | @param Lba Starting LBA address to write data\r |
563c9c8a | 1209 | @param BufferSize The size of data to be written\r |
1210 | @param Buffer Caller supplied buffer to save data\r | |
1211 | \r | |
1212 | @retval EFI_DEVICE_ERROR unknown device type\r | |
1213 | @retval other write data status\r | |
1214 | \r | |
1215 | **/\r | |
1216 | EFI_STATUS\r | |
1217 | EFIAPI\r | |
1218 | IDEBlkIoWriteBlocks (\r | |
1219 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1220 | IN UINT32 MediaId,\r | |
cd57e888 | 1221 | IN EFI_LBA Lba,\r |
563c9c8a | 1222 | IN UINTN BufferSize,\r |
1223 | IN VOID *Buffer\r | |
1224 | )\r | |
1225 | {\r | |
1226 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1227 | EFI_STATUS Status;\r | |
1228 | EFI_TPL OldTpl;\r | |
1229 | \r | |
1230 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1231 | \r | |
1232 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1233 | //\r | |
1234 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1235 | //\r | |
1236 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1237 | \r | |
1238 | //\r | |
1239 | // for ATA device, using ATA write block's mechanism\r | |
1240 | //\r | |
1241 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1242 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1243 | \r | |
1244 | Status = AtaBlkIoWriteBlocks (\r | |
1245 | IdeBlkIoDevice,\r | |
1246 | MediaId,\r | |
cd57e888 | 1247 | Lba,\r |
563c9c8a | 1248 | BufferSize,\r |
1249 | Buffer\r | |
1250 | );\r | |
1251 | goto Done;\r | |
1252 | }\r | |
1253 | \r | |
1254 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1255 | Status = EFI_DEVICE_ERROR;\r | |
1256 | goto Done;\r | |
1257 | }\r | |
1258 | \r | |
1259 | //\r | |
1260 | // for ATAPI device, using ATAPI write block's mechanism\r | |
1261 | //\r | |
1262 | Status = AtapiBlkIoWriteBlocks (\r | |
1263 | IdeBlkIoDevice,\r | |
1264 | MediaId,\r | |
cd57e888 | 1265 | Lba,\r |
563c9c8a | 1266 | BufferSize,\r |
1267 | Buffer\r | |
1268 | );\r | |
1269 | \r | |
1270 | Done:\r | |
1271 | gBS->RestoreTPL (OldTpl);\r | |
1272 | return Status;\r | |
1273 | }\r | |
1274 | /**\r | |
1275 | Flushes all modified data to a physical block devices\r | |
1276 | \r | |
1277 | @param This Indicates a pointer to the calling context which to sepcify a\r | |
1278 | sepcific block device\r | |
1279 | \r | |
1280 | @retval EFI_SUCCESS Always return success.\r | |
1281 | **/\r | |
1282 | EFI_STATUS\r | |
1283 | EFIAPI\r | |
1284 | IDEBlkIoFlushBlocks (\r | |
1285 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
1286 | )\r | |
1287 | {\r | |
1288 | //\r | |
1289 | // return directly\r | |
1290 | //\r | |
1291 | return EFI_SUCCESS;\r | |
1292 | }\r | |
1293 | \r | |
1294 | /**\r | |
0a6f4824 | 1295 | This function is used by the IDE bus driver to get inquiry data.\r |
bab0c17a | 1296 | Data format of Identify data is defined by the Interface GUID.\r |
563c9c8a | 1297 | \r |
bab0c17a | 1298 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1299 | @param InquiryData Pointer to a buffer for the inquiry data.\r | |
1300 | @param InquiryDataSize Pointer to the value for the inquiry data size.\r | |
563c9c8a | 1301 | \r |
bab0c17a | 1302 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
0a6f4824 LG |
1303 | @retval EFI_NOT_FOUND Device does not support this data class\r |
1304 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device\r | |
1305 | @retval EFI_BUFFER_TOO_SMALL IntquiryDataSize not big enough\r | |
563c9c8a | 1306 | \r |
1307 | **/\r | |
1308 | EFI_STATUS\r | |
1309 | EFIAPI\r | |
1310 | IDEDiskInfoInquiry (\r | |
1311 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1312 | IN OUT VOID *InquiryData,\r | |
1313 | IN OUT UINT32 *InquiryDataSize\r | |
1314 | )\r | |
1315 | {\r | |
1316 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1317 | \r | |
1318 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1319 | \r | |
1320 | if (*InquiryDataSize < sizeof (ATAPI_INQUIRY_DATA)) {\r | |
1321 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA);\r | |
1322 | return EFI_BUFFER_TOO_SMALL;\r | |
1323 | }\r | |
1324 | \r | |
1325 | if (IdeBlkIoDevice->InquiryData == NULL) {\r | |
1326 | return EFI_NOT_FOUND;\r | |
1327 | }\r | |
1328 | \r | |
1329 | gBS->CopyMem (InquiryData, IdeBlkIoDevice->InquiryData, sizeof (ATAPI_INQUIRY_DATA));\r | |
1330 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA);\r | |
1331 | \r | |
1332 | return EFI_SUCCESS;\r | |
1333 | }\r | |
1334 | \r | |
1335 | /**\r | |
0a6f4824 | 1336 | This function is used by the IDE bus driver to get identify data.\r |
563c9c8a | 1337 | Data format of Identify data is defined by the Interface GUID.\r |
1338 | \r | |
bab0c17a | 1339 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1340 | @param IdentifyData Pointer to a buffer for the identify data.\r | |
1341 | @param IdentifyDataSize Pointer to the value for the identify data size.\r | |
563c9c8a | 1342 | \r |
bab0c17a | 1343 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
0a6f4824 LG |
1344 | @retval EFI_NOT_FOUND Device does not support this data class\r |
1345 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device\r | |
1346 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough\r | |
563c9c8a | 1347 | \r |
1348 | **/\r | |
1349 | EFI_STATUS\r | |
1350 | EFIAPI\r | |
1351 | IDEDiskInfoIdentify (\r | |
1352 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1353 | IN OUT VOID *IdentifyData,\r | |
1354 | IN OUT UINT32 *IdentifyDataSize\r | |
1355 | )\r | |
1356 | {\r | |
1357 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1358 | \r | |
1359 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1360 | \r | |
1361 | if (*IdentifyDataSize < sizeof (EFI_IDENTIFY_DATA)) {\r | |
1362 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA);\r | |
1363 | return EFI_BUFFER_TOO_SMALL;\r | |
1364 | }\r | |
1365 | \r | |
1366 | if (IdeBlkIoDevice->IdData == NULL) {\r | |
1367 | return EFI_NOT_FOUND;\r | |
1368 | }\r | |
1369 | \r | |
1370 | gBS->CopyMem (IdentifyData, IdeBlkIoDevice->IdData, sizeof (EFI_IDENTIFY_DATA));\r | |
1371 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA);\r | |
1372 | \r | |
1373 | return EFI_SUCCESS;\r | |
1374 | }\r | |
1375 | \r | |
1376 | /**\r | |
0a6f4824 | 1377 | This function is used by the IDE bus driver to get sense data.\r |
563c9c8a | 1378 | Data format of Sense data is defined by the Interface GUID.\r |
1379 | \r | |
0a6f4824 LG |
1380 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1381 | @param SenseData Pointer to the SenseData.\r | |
1382 | @param SenseDataSize Size of SenseData in bytes.\r | |
bab0c17a | 1383 | @param SenseDataNumber Pointer to the value for the identify data size.\r |
563c9c8a | 1384 | \r |
bab0c17a | 1385 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
0a6f4824 LG |
1386 | @retval EFI_NOT_FOUND Device does not support this data class\r |
1387 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device\r | |
1388 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough\r | |
563c9c8a | 1389 | \r |
1390 | **/\r | |
1391 | EFI_STATUS\r | |
1392 | EFIAPI\r | |
1393 | IDEDiskInfoSenseData (\r | |
1394 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1395 | IN OUT VOID *SenseData,\r | |
1396 | IN OUT UINT32 *SenseDataSize,\r | |
1397 | OUT UINT8 *SenseDataNumber\r | |
1398 | )\r | |
1399 | {\r | |
1400 | return EFI_NOT_FOUND;\r | |
1401 | }\r | |
1402 | \r | |
1403 | /**\r | |
bab0c17a | 1404 | This function is used by the IDE bus driver to get controller information.\r |
563c9c8a | 1405 | \r |
0a6f4824 | 1406 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
bab0c17a | 1407 | @param IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r |
1408 | @param IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
563c9c8a | 1409 | \r |
0a6f4824 LG |
1410 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid\r |
1411 | @retval EFI_UNSUPPORTED This is not an IDE device\r | |
563c9c8a | 1412 | \r |
1413 | **/\r | |
1414 | EFI_STATUS\r | |
1415 | EFIAPI\r | |
1416 | IDEDiskInfoWhichIde (\r | |
1417 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1418 | OUT UINT32 *IdeChannel,\r | |
1419 | OUT UINT32 *IdeDevice\r | |
1420 | )\r | |
1421 | {\r | |
1422 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1423 | \r | |
1424 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1425 | *IdeChannel = IdeBlkIoDevice->Channel;\r | |
1426 | *IdeDevice = IdeBlkIoDevice->Device;\r | |
1427 | \r | |
1428 | return EFI_SUCCESS;\r | |
1429 | }\r | |
1430 | \r | |
1431 | /**\r | |
1432 | The is an event(generally the event is exitBootService event) call back function.\r | |
1433 | Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.\r | |
1434 | \r | |
1435 | @param Event Pointer to this event\r | |
e3644786 | 1436 | @param Context Event handler private data\r |
563c9c8a | 1437 | \r |
1438 | **/\r | |
1439 | VOID\r | |
1440 | EFIAPI\r | |
1441 | ClearInterrupt (\r | |
1442 | IN EFI_EVENT Event,\r | |
1443 | IN VOID *Context\r | |
1444 | )\r | |
1445 | {\r | |
1446 | EFI_STATUS Status;\r | |
1447 | UINT64 IoPortForBmis;\r | |
1448 | UINT8 RegisterValue;\r | |
1449 | IDE_BLK_IO_DEV *IdeDev;\r | |
1450 | \r | |
1451 | //\r | |
1452 | // Get our context\r | |
1453 | //\r | |
1454 | IdeDev = (IDE_BLK_IO_DEV *) Context;\r | |
1455 | \r | |
1456 | //\r | |
1457 | // Obtain IDE IO port registers' base addresses\r | |
1458 | //\r | |
1459 | Status = ReassignIdeResources (IdeDev);\r | |
1460 | if (EFI_ERROR (Status)) {\r | |
1461 | return;\r | |
1462 | }\r | |
1463 | \r | |
1464 | //\r | |
1465 | // Check whether interrupt is pending\r | |
1466 | //\r | |
1467 | \r | |
1468 | //\r | |
1469 | // Reset IDE device to force it de-assert interrupt pin\r | |
1470 | // Note: this will reset all devices on this IDE channel\r | |
1471 | //\r | |
ca89ab9c | 1472 | Status = AtaSoftReset (IdeDev);\r |
563c9c8a | 1473 | if (EFI_ERROR (Status)) {\r |
1474 | return;\r | |
1475 | }\r | |
1476 | \r | |
1477 | //\r | |
1478 | // Get base address of IDE Bus Master Status Regsiter\r | |
1479 | //\r | |
1480 | if (IdePrimary == IdeDev->Channel) {\r | |
1481 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
1482 | } else {\r | |
1483 | if (IdeSecondary == IdeDev->Channel) {\r | |
1484 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
1485 | } else {\r | |
1486 | return;\r | |
1487 | }\r | |
1488 | }\r | |
1489 | //\r | |
1490 | // Read BMIS register and clear ERROR and INTR bit\r | |
1491 | //\r | |
1492 | IdeDev->PciIo->Io.Read (\r | |
1493 | IdeDev->PciIo,\r | |
1494 | EfiPciIoWidthUint8,\r | |
1495 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
1496 | IoPortForBmis,\r | |
1497 | 1,\r | |
1498 | &RegisterValue\r | |
1499 | );\r | |
1500 | \r | |
1501 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
1502 | \r | |
1503 | IdeDev->PciIo->Io.Write (\r | |
1504 | IdeDev->PciIo,\r | |
1505 | EfiPciIoWidthUint8,\r | |
1506 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
1507 | IoPortForBmis,\r | |
1508 | 1,\r | |
1509 | &RegisterValue\r | |
1510 | );\r | |
1511 | \r | |
1512 | //\r | |
1513 | // Select the other device on this channel to ensure this device to release the interrupt pin\r | |
1514 | //\r | |
1515 | if (IdeDev->Device == 0) {\r | |
1516 | RegisterValue = (1 << 4) | 0xe0;\r | |
1517 | } else {\r | |
1518 | RegisterValue = (0 << 4) | 0xe0;\r | |
1519 | }\r | |
1520 | IDEWritePortB (\r | |
1521 | IdeDev->PciIo,\r | |
1522 | IdeDev->IoPort->Head,\r | |
1523 | RegisterValue\r | |
1524 | );\r | |
1525 | \r | |
1526 | }\r | |
1527 | \r | |
1528 | /**\r | |
1529 | The user Entry Point for module IdeBus. The user code starts with this function.\r | |
1530 | \r | |
1531 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
1532 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
1533 | \r | |
1534 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
1535 | @retval other Some error occurs when executing this entry point.\r | |
1536 | \r | |
1537 | **/\r | |
1538 | EFI_STATUS\r | |
1539 | EFIAPI\r | |
1540 | InitializeIdeBus(\r | |
1541 | IN EFI_HANDLE ImageHandle,\r | |
1542 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1543 | )\r | |
1544 | {\r | |
1545 | EFI_STATUS Status;\r | |
1546 | \r | |
1547 | //\r | |
1548 | // Install driver model protocol(s).\r | |
1549 | //\r | |
1550 | Status = EfiLibInstallAllDriverProtocols2 (\r | |
1551 | ImageHandle,\r | |
1552 | SystemTable,\r | |
1553 | &gIDEBusDriverBinding,\r | |
1554 | ImageHandle,\r | |
1555 | &gIDEBusComponentName,\r | |
1556 | &gIDEBusComponentName2,\r | |
1557 | NULL,\r | |
1558 | NULL,\r | |
1559 | &gIDEBusDriverDiagnostics,\r | |
1560 | &gIDEBusDriverDiagnostics2\r | |
1561 | );\r | |
1562 | ASSERT_EFI_ERROR (Status);\r | |
1563 | \r | |
1564 | return Status;\r | |
1565 | }\r |