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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 |
a7ddec11 | 6 | Copyright (c) 2006 - 2010, Intel Corporation\r |
563c9c8a | 7 | All rights reserved. This program and the accompanying materials\r |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | @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 | |
151 | \r | |
152 | if (RemainingDevicePath != NULL) {\r | |
153 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
2277ab96 | 154 | //\r |
155 | // Check if RemainingDevicePath is the End of Device Path Node, \r | |
156 | // if yes, go on checking other conditions\r | |
157 | //\r | |
158 | if (!IsDevicePathEnd (Node)) {\r | |
159 | //\r | |
160 | // If RemainingDevicePath isn't the End of Device Path Node,\r | |
161 | // check its validation\r | |
162 | //\r | |
163 | if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||\r | |
164 | Node->DevPath.SubType != MSG_ATAPI_DP ||\r | |
165 | DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) {\r | |
166 | return EFI_UNSUPPORTED;\r | |
167 | }\r | |
563c9c8a | 168 | }\r |
169 | }\r | |
170 | \r | |
171 | //\r | |
2277ab96 | 172 | // Verify the Ide Controller Init Protocol, which installed by the\r |
173 | // IdeController module.\r | |
174 | // Note 1: PciIo protocol has been opened BY_DRIVER by ide_init, so We can't\r | |
175 | // open BY_DRIVER here) That's why we don't check pciio protocol\r | |
176 | // Note 2: ide_init driver check ide controller's pci config space, so we dont\r | |
177 | // check here any more to save code size\r | |
563c9c8a | 178 | //\r |
179 | Status = gBS->OpenProtocol (\r | |
180 | Controller,\r | |
2277ab96 | 181 | &gEfiIdeControllerInitProtocolGuid,\r |
182 | (VOID **) &IdeInit,\r | |
563c9c8a | 183 | This->DriverBindingHandle,\r |
184 | Controller,\r | |
185 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
186 | );\r | |
2277ab96 | 187 | \r |
563c9c8a | 188 | if (Status == EFI_ALREADY_STARTED) {\r |
189 | return EFI_SUCCESS;\r | |
190 | }\r | |
191 | \r | |
9d0ece87 | 192 | if (EFI_ERROR (Status)) {\r |
193 | return Status;\r | |
194 | }\r | |
195 | \r | |
563c9c8a | 196 | //\r |
af4a6385 | 197 | // Close the I/O Abstraction(s) used to perform the supported test\r |
563c9c8a | 198 | //\r |
199 | gBS->CloseProtocol (\r | |
200 | Controller,\r | |
2277ab96 | 201 | &gEfiIdeControllerInitProtocolGuid,\r |
563c9c8a | 202 | This->DriverBindingHandle,\r |
203 | Controller\r | |
204 | );\r | |
205 | \r | |
206 | //\r | |
2277ab96 | 207 | // Open the EFI Device Path protocol needed to perform the supported test\r |
563c9c8a | 208 | //\r |
209 | Status = gBS->OpenProtocol (\r | |
210 | Controller,\r | |
2277ab96 | 211 | &gEfiDevicePathProtocolGuid,\r |
212 | (VOID **) &ParentDevicePath,\r | |
563c9c8a | 213 | This->DriverBindingHandle,\r |
214 | Controller,\r | |
215 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
216 | );\r | |
563c9c8a | 217 | if (Status == EFI_ALREADY_STARTED) {\r |
218 | return EFI_SUCCESS;\r | |
219 | }\r | |
220 | \r | |
221 | //\r | |
2277ab96 | 222 | // Close protocol, don't use device path protocol in the Support() function\r |
563c9c8a | 223 | //\r |
224 | gBS->CloseProtocol (\r | |
225 | Controller,\r | |
2277ab96 | 226 | &gEfiDevicePathProtocolGuid,\r |
563c9c8a | 227 | This->DriverBindingHandle,\r |
228 | Controller\r | |
229 | );\r | |
230 | \r | |
231 | return Status;\r | |
232 | }\r | |
233 | \r | |
234 | \r | |
235 | /**\r | |
236 | Start function of Driver binding protocol which start this driver on Controller\r | |
237 | by detecting all disks and installing BlockIo protocol on them.\r | |
238 | \r | |
239 | @param This Protocol instance pointer.\r | |
240 | @param Controller Handle of device to bind driver to.\r | |
241 | @param RemainingDevicePath produce all possible children.\r | |
242 | \r | |
243 | @retval EFI_SUCCESS This driver is added to ControllerHandle.\r | |
244 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r | |
245 | @retval other This driver does not support this device.\r | |
246 | \r | |
247 | **/\r | |
248 | EFI_STATUS\r | |
249 | EFIAPI\r | |
250 | IDEBusDriverBindingStart (\r | |
251 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
252 | IN EFI_HANDLE Controller,\r | |
253 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
254 | )\r | |
255 | {\r | |
256 | EFI_STATUS Status;\r | |
257 | EFI_STATUS SavedStatus;\r | |
258 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
259 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
260 | EFI_DEV_PATH *Node;\r | |
261 | UINT8 IdeChannel;\r | |
262 | UINT8 BeginningIdeChannel;\r | |
263 | UINT8 EndIdeChannel;\r | |
264 | UINT8 IdeDevice;\r | |
265 | UINT8 BeginningIdeDevice;\r | |
266 | UINT8 EndIdeDevice;\r | |
267 | IDE_BLK_IO_DEV *IdeBlkIoDevice[IdeMaxChannel][IdeMaxDevice];\r | |
268 | IDE_BLK_IO_DEV *IdeBlkIoDevicePtr;\r | |
269 | IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[IdeMaxChannel];\r | |
270 | ATA_TRANSFER_MODE TransferMode;\r | |
271 | ATA_DRIVE_PARMS DriveParameters;\r | |
272 | EFI_DEV_PATH NewNode;\r | |
273 | UINT8 ConfigurationOptions;\r | |
274 | UINT16 CommandBlockBaseAddr;\r | |
275 | UINT16 ControlBlockBaseAddr;\r | |
276 | UINTN DataSize;\r | |
277 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r | |
278 | UINT64 Supports;\r | |
279 | \r | |
280 | //\r | |
281 | // Local variables declaration for IdeControllerInit support\r | |
282 | //\r | |
283 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
284 | BOOLEAN EnumAll;\r | |
285 | BOOLEAN ChannelEnabled;\r | |
286 | UINT8 MaxDevices;\r | |
287 | EFI_IDENTIFY_DATA IdentifyData;\r | |
288 | EFI_ATA_COLLECTIVE_MODE *SupportedModes;\r | |
289 | \r | |
290 | IdeBusDriverPrivateData = NULL;\r | |
291 | SupportedModes = NULL;\r | |
292 | \r | |
293 | //\r | |
294 | // Perform IdeBus initialization\r | |
295 | //\r | |
296 | Status = gBS->OpenProtocol (\r | |
297 | Controller,\r | |
298 | &gEfiDevicePathProtocolGuid,\r | |
299 | (VOID **) &ParentDevicePath,\r | |
300 | This->DriverBindingHandle,\r | |
301 | Controller,\r | |
302 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
303 | );\r | |
304 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
305 | return Status;\r | |
306 | }\r | |
307 | \r | |
308 | //\r | |
309 | // Now open the IDE_CONTROLLER_INIT protocol. Step7.1\r | |
310 | //\r | |
311 | Status = gBS->OpenProtocol (\r | |
312 | Controller,\r | |
313 | &gEfiIdeControllerInitProtocolGuid,\r | |
314 | (VOID **) &IdeInit,\r | |
315 | This->DriverBindingHandle,\r | |
316 | Controller,\r | |
317 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
318 | );\r | |
319 | \r | |
320 | //\r | |
321 | // The following OpenProtocol function with _GET_PROTOCOL attribute and\r | |
322 | // will not return EFI_ALREADY_STARTED, so save it for now\r | |
323 | //\r | |
324 | SavedStatus = Status;\r | |
325 | \r | |
326 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r | |
327 | DEBUG ((EFI_D_ERROR, "Open Init, Status=%x", Status));\r | |
328 | //\r | |
329 | // open protocol is not SUCCESS or not ALREADY_STARTED, error exit\r | |
330 | //\r | |
331 | goto ErrorExit;\r | |
332 | }\r | |
333 | \r | |
334 | //\r | |
335 | // Save Enumall. Step7.2\r | |
336 | //\r | |
337 | EnumAll = IdeInit->EnumAll;\r | |
338 | \r | |
339 | //\r | |
340 | // Consume PCI I/O protocol. Note that the OpenProtocol with _GET_PROTOCOL\r | |
341 | // attribute will not return EFI_ALREADY_STARTED\r | |
342 | //\r | |
343 | Status = gBS->OpenProtocol (\r | |
344 | Controller,\r | |
345 | &gEfiPciIoProtocolGuid,\r | |
346 | (VOID **) &PciIo,\r | |
347 | This->DriverBindingHandle,\r | |
348 | Controller,\r | |
349 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
350 | );\r | |
351 | if (EFI_ERROR (Status)) {\r | |
352 | DEBUG ((EFI_D_ERROR, "Open PciIo, Status=%x", Status));\r | |
353 | goto ErrorExit;\r | |
354 | }\r | |
355 | \r | |
356 | //\r | |
357 | // We must check EFI_ALREADY_STARTED because many ATAPI devices are removable\r | |
358 | //\r | |
359 | if (SavedStatus != EFI_ALREADY_STARTED) {\r | |
360 | IdeBusDriverPrivateData = AllocatePool (sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r | |
361 | if (IdeBusDriverPrivateData == NULL) {\r | |
362 | Status = EFI_OUT_OF_RESOURCES;\r | |
363 | goto ErrorExit;\r | |
364 | }\r | |
365 | \r | |
366 | ZeroMem (IdeBusDriverPrivateData, sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r | |
367 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
368 | &Controller,\r | |
369 | &gEfiCallerIdGuid,\r | |
370 | IdeBusDriverPrivateData,\r | |
371 | NULL\r | |
372 | );\r | |
373 | if (EFI_ERROR (Status)) {\r | |
374 | goto ErrorExit;\r | |
375 | }\r | |
376 | \r | |
377 | } else {\r | |
378 | Status = gBS->OpenProtocol (\r | |
379 | Controller,\r | |
380 | &gEfiCallerIdGuid,\r | |
381 | (VOID **) &IdeBusDriverPrivateData,\r | |
382 | This->DriverBindingHandle,\r | |
383 | Controller,\r | |
384 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
385 | );\r | |
386 | if (EFI_ERROR (Status)) {\r | |
387 | IdeBusDriverPrivateData = NULL;\r | |
388 | goto ErrorExit;\r | |
389 | }\r | |
390 | }\r | |
391 | \r | |
392 | Status = PciIo->Attributes (\r | |
393 | PciIo,\r | |
394 | EfiPciIoAttributeOperationSupported,\r | |
395 | 0,\r | |
396 | &Supports\r | |
397 | );\r | |
398 | if (!EFI_ERROR (Status)) {\r | |
399 | Supports &= EFI_PCI_DEVICE_ENABLE;\r | |
400 | Status = PciIo->Attributes (\r | |
401 | PciIo,\r | |
402 | EfiPciIoAttributeOperationEnable,\r | |
403 | Supports,\r | |
404 | NULL\r | |
405 | );\r | |
406 | }\r | |
407 | \r | |
408 | if (EFI_ERROR (Status)) {\r | |
409 | goto ErrorExit;\r | |
410 | }\r | |
411 | \r | |
412 | //\r | |
413 | // Read the environment variable that contains the IDEBus Driver's\r | |
414 | // Config options that were set by the Driver Configuration Protocol\r | |
415 | //\r | |
416 | DataSize = sizeof (ConfigurationOptions);\r | |
417 | Status = gRT->GetVariable (\r | |
418 | (CHAR16 *) L"Configuration",\r | |
419 | &gEfiCallerIdGuid,\r | |
420 | NULL,\r | |
421 | &DataSize,\r | |
422 | &ConfigurationOptions\r | |
423 | );\r | |
424 | if (EFI_ERROR (Status)) {\r | |
425 | ConfigurationOptions = 0x0f;\r | |
426 | }\r | |
427 | \r | |
2277ab96 | 428 | if (EnumAll || RemainingDevicePath == NULL) {\r |
563c9c8a | 429 | //\r |
2277ab96 | 430 | // If IdeInit->EnumAll is TRUE or RemainingDevicePath is NULL, \r |
af4a6385 | 431 | // must enumerate all IDE devices anyway\r |
563c9c8a | 432 | //\r |
433 | BeginningIdeChannel = IdePrimary;\r | |
434 | EndIdeChannel = IdeSecondary;\r | |
435 | BeginningIdeDevice = IdeMaster;\r | |
436 | EndIdeDevice = IdeSlave;\r | |
2277ab96 | 437 | \r |
438 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
563c9c8a | 439 | //\r |
af4a6385 | 440 | // If RemainingDevicePath isn't the End of Device Path Node, \r |
441 | // only scan the specified device by RemainingDevicePath\r | |
563c9c8a | 442 | //\r |
443 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
444 | BeginningIdeChannel = Node->Atapi.PrimarySecondary;\r | |
445 | EndIdeChannel = BeginningIdeChannel;\r | |
446 | BeginningIdeDevice = Node->Atapi.SlaveMaster;\r | |
447 | EndIdeDevice = BeginningIdeDevice;\r | |
448 | if (BeginningIdeChannel >= IdeMaxChannel || EndIdeChannel >= IdeMaxChannel) {\r | |
449 | Status = EFI_INVALID_PARAMETER;\r | |
450 | goto ErrorExit;\r | |
451 | }\r | |
452 | if (BeginningIdeDevice >= IdeMaxDevice|| EndIdeDevice >= IdeMaxDevice) {\r | |
453 | Status = EFI_INVALID_PARAMETER;\r | |
454 | goto ErrorExit;\r | |
455 | }\r | |
2277ab96 | 456 | \r |
457 | } else {\r | |
458 | //\r | |
af4a6385 | 459 | // If RemainingDevicePath is the End of Device Path Node,\r |
2277ab96 | 460 | // skip enumerate any device and return EFI_SUCESSS\r |
461 | // \r | |
462 | BeginningIdeChannel = IdeMaxChannel;\r | |
463 | EndIdeChannel = IdeMaxChannel - 1;\r | |
464 | BeginningIdeDevice = IdeMaxDevice;\r | |
465 | EndIdeDevice = IdeMaxDevice - 1;\r | |
563c9c8a | 466 | }\r |
467 | \r | |
468 | //\r | |
469 | // Obtain IDE IO port registers' base addresses\r | |
470 | //\r | |
471 | Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);\r | |
472 | if (EFI_ERROR (Status)) {\r | |
473 | goto ErrorExit;\r | |
474 | }\r | |
475 | \r | |
476 | //\r | |
477 | // Report status code: begin IdeBus initialization\r | |
478 | //\r | |
479 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
480 | EFI_PROGRESS_CODE,\r | |
481 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
482 | ParentDevicePath\r | |
483 | );\r | |
484 | \r | |
485 | //\r | |
486 | // Strictly follow the enumeration based on IDE_CONTROLLER_INIT protocol\r | |
487 | //\r | |
488 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r | |
489 | \r | |
490 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel);\r | |
491 | \r | |
492 | //\r | |
493 | // now obtain channel information fron IdeControllerInit protocol. Step9\r | |
494 | //\r | |
495 | Status = IdeInit->GetChannelInfo (\r | |
496 | IdeInit,\r | |
497 | IdeChannel,\r | |
498 | &ChannelEnabled,\r | |
499 | &MaxDevices\r | |
500 | );\r | |
501 | if (EFI_ERROR (Status)) {\r | |
502 | DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));\r | |
503 | continue;\r | |
504 | }\r | |
505 | \r | |
506 | if (!ChannelEnabled) {\r | |
507 | continue;\r | |
508 | }\r | |
509 | \r | |
510 | EndIdeDevice = (UINT8) MIN ((MaxDevices - 1), EndIdeDevice);\r | |
511 | ASSERT (EndIdeDevice < IdeMaxDevice);\r | |
512 | //\r | |
513 | // Now inform the IDE Controller Init Module. Sept10\r | |
514 | //\r | |
515 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel);\r | |
516 | \r | |
517 | //\r | |
518 | // No reset channel function implemented. Sept11\r | |
519 | //\r | |
520 | IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel);\r | |
521 | \r | |
522 | //\r | |
523 | // Step13\r | |
524 | //\r | |
525 | IdeInit->NotifyPhase (\r | |
526 | IdeInit,\r | |
527 | EfiIdeBusBeforeDevicePresenceDetection,\r | |
528 | IdeChannel\r | |
529 | );\r | |
530 | \r | |
531 | //\r | |
532 | // Prepare to detect IDE device of this channel\r | |
533 | //\r | |
534 | InitializeIDEChannelData ();\r | |
535 | \r | |
536 | //\r | |
537 | // -- 1st inner loop --- Master/Slave ------------ Step14\r | |
538 | //\r | |
539 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r | |
540 | //\r | |
541 | // Check whether the configuration options allow this device\r | |
542 | //\r | |
543 | if ((ConfigurationOptions & (1 << (IdeChannel * 2 + IdeDevice))) == 0) {\r | |
544 | continue;\r | |
545 | }\r | |
546 | \r | |
547 | //\r | |
548 | // The device has been scanned in another Start(), No need to scan it again\r | |
549 | // for perf optimization.\r | |
550 | //\r | |
551 | if (IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice]) {\r | |
552 | continue;\r | |
553 | }\r | |
554 | \r | |
555 | //\r | |
556 | // create child handle for the detected device.\r | |
557 | //\r | |
558 | IdeBlkIoDevice[IdeChannel][IdeDevice] = AllocatePool (sizeof (IDE_BLK_IO_DEV));\r | |
559 | if (IdeBlkIoDevice[IdeChannel][IdeDevice] == NULL) {\r | |
560 | continue;\r | |
561 | }\r | |
562 | \r | |
563 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r | |
564 | \r | |
565 | ZeroMem (IdeBlkIoDevicePtr, sizeof (IDE_BLK_IO_DEV));\r | |
566 | \r | |
567 | IdeBlkIoDevicePtr->Signature = IDE_BLK_IO_DEV_SIGNATURE;\r | |
568 | IdeBlkIoDevicePtr->Channel = (EFI_IDE_CHANNEL) IdeChannel;\r | |
569 | IdeBlkIoDevicePtr->Device = (EFI_IDE_DEVICE) IdeDevice;\r | |
570 | \r | |
571 | //\r | |
572 | // initialize Block IO interface's Media pointer\r | |
573 | //\r | |
574 | IdeBlkIoDevicePtr->BlkIo.Media = &IdeBlkIoDevicePtr->BlkMedia;\r | |
575 | \r | |
576 | //\r | |
577 | // Initialize IDE IO port addresses, including Command Block registers\r | |
578 | // and Control Block registers\r | |
579 | //\r | |
580 | IdeBlkIoDevicePtr->IoPort = AllocatePool (sizeof (IDE_BASE_REGISTERS));\r | |
581 | if (IdeBlkIoDevicePtr->IoPort == NULL) {\r | |
582 | continue;\r | |
583 | }\r | |
584 | \r | |
585 | ZeroMem (IdeBlkIoDevicePtr->IoPort, sizeof (IDE_BASE_REGISTERS));\r | |
586 | CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;\r | |
587 | ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;\r | |
588 | \r | |
589 | IdeBlkIoDevicePtr->IoPort->Data = CommandBlockBaseAddr;\r | |
590 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
591 | IdeBlkIoDevicePtr->IoPort->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
592 | IdeBlkIoDevicePtr->IoPort->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
593 | IdeBlkIoDevicePtr->IoPort->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
594 | IdeBlkIoDevicePtr->IoPort->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
595 | IdeBlkIoDevicePtr->IoPort->Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
596 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
597 | \r | |
598 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Alt) = ControlBlockBaseAddr;\r | |
599 | IdeBlkIoDevicePtr->IoPort->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);\r | |
600 | \r | |
601 | IdeBlkIoDevicePtr->IoPort->MasterSlave = (UINT16) ((IdeDevice == IdeMaster) ? 1 : 0);\r | |
602 | \r | |
603 | IdeBlkIoDevicePtr->PciIo = PciIo;\r | |
604 | IdeBlkIoDevicePtr->IdeBusDriverPrivateData = IdeBusDriverPrivateData;\r | |
605 | IdeBlkIoDevicePtr->IoPort->BusMasterBaseAddr = IdeRegsBaseAddr[IdeChannel].BusMasterBaseAddr;\r | |
606 | \r | |
607 | //\r | |
608 | // Report Status code: is about to detect IDE drive\r | |
609 | //\r | |
610 | REPORT_STATUS_CODE_EX (\r | |
611 | EFI_PROGRESS_CODE,\r | |
612 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_PRESENCE_DETECT),\r | |
613 | 0,\r | |
614 | &gEfiCallerIdGuid,\r | |
615 | NULL,\r | |
616 | NULL,\r | |
617 | 0\r | |
618 | );\r | |
619 | \r | |
620 | //\r | |
621 | // Discover device, now!\r | |
622 | //\r | |
623 | PERF_START (NULL, "DiscoverIdeDevice", "IDE", 0);\r | |
624 | Status = DiscoverIdeDevice (IdeBlkIoDevicePtr);\r | |
625 | PERF_END (NULL, "DiscoverIdeDevice", "IDE", 0);\r | |
626 | \r | |
627 | IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
628 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
629 | \r | |
630 | if (!EFI_ERROR (Status)) {\r | |
631 | //\r | |
632 | // Set Device Path\r | |
633 | //\r | |
634 | ZeroMem (&NewNode, sizeof (NewNode));\r | |
635 | NewNode.DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
636 | NewNode.DevPath.SubType = MSG_ATAPI_DP;\r | |
637 | SetDevicePathNodeLength (&NewNode.DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
638 | \r | |
639 | NewNode.Atapi.PrimarySecondary = (UINT8) IdeBlkIoDevicePtr->Channel;\r | |
640 | NewNode.Atapi.SlaveMaster = (UINT8) IdeBlkIoDevicePtr->Device;\r | |
641 | NewNode.Atapi.Lun = IdeBlkIoDevicePtr->Lun;\r | |
642 | IdeBlkIoDevicePtr->DevicePath = AppendDevicePathNode (\r | |
643 | ParentDevicePath,\r | |
644 | &NewNode.DevPath\r | |
645 | );\r | |
646 | if (IdeBlkIoDevicePtr->DevicePath == NULL) {\r | |
647 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
648 | continue;\r | |
649 | }\r | |
650 | \r | |
651 | //\r | |
652 | // Submit identify data to IDE controller init driver\r | |
653 | //\r | |
654 | CopyMem (&IdentifyData, IdeBlkIoDevicePtr->IdData, sizeof (IdentifyData));\r | |
655 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
656 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &IdentifyData);\r | |
657 | } else {\r | |
658 | //\r | |
659 | // Device detection failed\r | |
660 | //\r | |
661 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
662 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, NULL);\r | |
663 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
664 | IdeBlkIoDevicePtr = NULL;\r | |
665 | }\r | |
666 | //\r | |
667 | // end of 1st inner loop ---\r | |
668 | //\r | |
669 | }\r | |
670 | //\r | |
671 | // end of 1st outer loop =========\r | |
672 | //\r | |
673 | }\r | |
674 | \r | |
675 | //\r | |
676 | // = 2nd outer loop == Primary/Secondary =================\r | |
677 | //\r | |
678 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r | |
679 | \r | |
680 | //\r | |
681 | // -- 2nd inner loop --- Master/Slave --------\r | |
682 | //\r | |
683 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r | |
684 | \r | |
685 | if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) {\r | |
686 | continue;\r | |
687 | }\r | |
688 | \r | |
689 | if (!IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice]) {\r | |
690 | continue;\r | |
691 | }\r | |
692 | \r | |
693 | Status = IdeInit->CalculateMode (\r | |
694 | IdeInit,\r | |
695 | IdeChannel,\r | |
696 | IdeDevice,\r | |
697 | &SupportedModes\r | |
698 | );\r | |
699 | if (EFI_ERROR (Status)) {\r | |
700 | DEBUG ((EFI_D_ERROR, "[bStStp20S=%x]", Status));\r | |
701 | continue;\r | |
702 | }\r | |
703 | \r | |
704 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r | |
705 | \r | |
706 | //\r | |
707 | // Set best supported PIO mode on this IDE device\r | |
708 | //\r | |
709 | if (SupportedModes->PioMode.Mode <= AtaPioMode2) {\r | |
710 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_DEFAULT_PIO;\r | |
711 | } else {\r | |
712 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_FLOW_PIO;\r | |
713 | }\r | |
714 | \r | |
715 | TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);\r | |
716 | \r | |
717 | if (SupportedModes->ExtModeCount == 0){\r | |
718 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
719 | \r | |
720 | if (EFI_ERROR (Status)) {\r | |
721 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
722 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
723 | IdeBlkIoDevicePtr = NULL;\r | |
724 | continue;\r | |
725 | }\r | |
726 | }\r | |
727 | \r | |
728 | //\r | |
729 | // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't\r | |
730 | // be set together. Only one DMA mode can be set to a device. If setting\r | |
731 | // DMA mode operation fails, we can continue moving on because we only use\r | |
732 | // PIO mode at boot time. DMA modes are used by certain kind of OS booting\r | |
733 | //\r | |
734 | if (SupportedModes->UdmaMode.Valid) {\r | |
735 | \r | |
736 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_UDMA;\r | |
737 | TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode);\r | |
738 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
739 | \r | |
740 | if (EFI_ERROR (Status)) {\r | |
741 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
742 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
743 | IdeBlkIoDevicePtr = NULL;\r | |
744 | continue;\r | |
745 | }\r | |
746 | //\r | |
747 | // Record Udma Mode\r | |
748 | //\r | |
749 | IdeBlkIoDevicePtr->UdmaMode.Valid = TRUE;\r | |
750 | IdeBlkIoDevicePtr->UdmaMode.Mode = SupportedModes->UdmaMode.Mode;\r | |
751 | EnableInterrupt (IdeBlkIoDevicePtr);\r | |
752 | } else if (SupportedModes->MultiWordDmaMode.Valid) {\r | |
753 | \r | |
754 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_MDMA;\r | |
755 | TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode;\r | |
756 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r | |
757 | \r | |
758 | if (EFI_ERROR (Status)) {\r | |
759 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r | |
760 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
761 | IdeBlkIoDevicePtr = NULL;\r | |
762 | continue;\r | |
763 | }\r | |
764 | \r | |
765 | EnableInterrupt (IdeBlkIoDevicePtr);\r | |
766 | }\r | |
767 | //\r | |
768 | // Init driver parameters\r | |
769 | //\r | |
a7ddec11 | 770 | DriveParameters.Sector = (UINT8) ((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->sectors_per_track;\r |
771 | DriveParameters.Heads = (UINT8) (((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->heads - 1);\r | |
563c9c8a | 772 | DriveParameters.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt;\r |
773 | //\r | |
774 | // Set Parameters for the device:\r | |
775 | // 1) Init\r | |
776 | // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command\r | |
777 | //\r | |
778 | if ((IdeBlkIoDevicePtr->Type == IdeHardDisk) || (IdeBlkIoDevicePtr->Type == Ide48bitAddressingHardDisk)) {\r | |
779 | Status = SetDriveParameters (IdeBlkIoDevicePtr, &DriveParameters);\r | |
780 | }\r | |
781 | \r | |
782 | //\r | |
783 | // Record PIO mode used in private data\r | |
784 | //\r | |
785 | IdeBlkIoDevicePtr->PioMode = (ATA_PIO_MODE) SupportedModes->PioMode.Mode;\r | |
786 | \r | |
787 | //\r | |
788 | // Set IDE controller Timing Blocks in the PCI Configuration Space\r | |
789 | //\r | |
790 | IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes);\r | |
791 | \r | |
792 | //\r | |
793 | // Add Component Name for the IDE/ATAPI device that was discovered.\r | |
794 | //\r | |
795 | IdeBlkIoDevicePtr->ControllerNameTable = NULL;\r | |
796 | ADD_IDE_ATAPI_NAME (IdeBlkIoDevicePtr);\r | |
797 | \r | |
798 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
799 | &IdeBlkIoDevicePtr->Handle,\r | |
800 | &gEfiDevicePathProtocolGuid,\r | |
801 | IdeBlkIoDevicePtr->DevicePath,\r | |
802 | &gEfiBlockIoProtocolGuid,\r | |
803 | &IdeBlkIoDevicePtr->BlkIo,\r | |
804 | &gEfiDiskInfoProtocolGuid,\r | |
805 | &IdeBlkIoDevicePtr->DiskInfo,\r | |
806 | NULL\r | |
807 | );\r | |
808 | \r | |
809 | if (EFI_ERROR (Status)) {\r | |
810 | ReleaseIdeResources (IdeBlkIoDevicePtr);\r | |
811 | }\r | |
812 | \r | |
813 | gBS->OpenProtocol (\r | |
814 | Controller,\r | |
815 | &gEfiPciIoProtocolGuid,\r | |
816 | (VOID **) &PciIo,\r | |
817 | This->DriverBindingHandle,\r | |
818 | IdeBlkIoDevicePtr->Handle,\r | |
819 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
820 | );\r | |
821 | \r | |
822 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = TRUE;\r | |
823 | \r | |
824 | //\r | |
825 | // Report status code: device eanbled!\r | |
826 | //\r | |
827 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
828 | EFI_PROGRESS_CODE,\r | |
829 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE),\r | |
830 | IdeBlkIoDevicePtr->DevicePath\r | |
831 | );\r | |
832 | \r | |
833 | //\r | |
834 | // Create event to clear pending IDE interrupt\r | |
835 | //\r | |
836 | Status = gBS->CreateEventEx (\r | |
837 | EVT_NOTIFY_SIGNAL,\r | |
838 | TPL_NOTIFY,\r | |
839 | ClearInterrupt,\r | |
840 | IdeBlkIoDevicePtr,\r | |
841 | &gEfiEventExitBootServicesGuid,\r | |
842 | &IdeBlkIoDevicePtr->ExitBootServiceEvent\r | |
843 | );\r | |
844 | \r | |
845 | //\r | |
846 | // end of 2nd inner loop ----\r | |
847 | //\r | |
848 | }\r | |
849 | //\r | |
850 | // end of 2nd outer loop ==========\r | |
851 | //\r | |
852 | }\r | |
853 | \r | |
854 | //\r | |
855 | // All configurations done! Notify IdeController to do post initialization\r | |
856 | // work such as saving IDE controller PCI settings for S3 resume\r | |
857 | //\r | |
858 | IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);\r | |
859 | \r | |
860 | if (SupportedModes != NULL) {\r | |
2277ab96 | 861 | FreePool (SupportedModes);\r |
563c9c8a | 862 | }\r |
863 | \r | |
864 | PERF_START (NULL, "Finish IDE detection", "IDE", 1);\r | |
865 | PERF_END (NULL, "Finish IDE detection", "IDE", 0);\r | |
866 | \r | |
867 | return EFI_SUCCESS;\r | |
868 | \r | |
869 | ErrorExit:\r | |
870 | \r | |
871 | //\r | |
872 | // Report error code: controller error\r | |
873 | //\r | |
874 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
875 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
876 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_EC_CONTROLLER_ERROR),\r | |
877 | ParentDevicePath\r | |
878 | );\r | |
879 | \r | |
880 | gBS->CloseProtocol (\r | |
881 | Controller,\r | |
882 | &gEfiIdeControllerInitProtocolGuid,\r | |
883 | This->DriverBindingHandle,\r | |
884 | Controller\r | |
885 | );\r | |
886 | \r | |
887 | gBS->UninstallMultipleProtocolInterfaces (\r | |
888 | Controller,\r | |
889 | &gEfiCallerIdGuid,\r | |
890 | IdeBusDriverPrivateData,\r | |
891 | NULL\r | |
892 | );\r | |
893 | \r | |
894 | if (IdeBusDriverPrivateData != NULL) {\r | |
895 | gBS->FreePool (IdeBusDriverPrivateData);\r | |
896 | }\r | |
897 | \r | |
898 | if (SupportedModes != NULL) {\r | |
899 | gBS->FreePool (SupportedModes);\r | |
900 | }\r | |
901 | \r | |
902 | gBS->CloseProtocol (\r | |
903 | Controller,\r | |
904 | &gEfiPciIoProtocolGuid,\r | |
905 | This->DriverBindingHandle,\r | |
906 | Controller\r | |
907 | );\r | |
908 | \r | |
909 | gBS->CloseProtocol (\r | |
910 | Controller,\r | |
911 | &gEfiDevicePathProtocolGuid,\r | |
912 | This->DriverBindingHandle,\r | |
913 | Controller\r | |
914 | );\r | |
915 | \r | |
916 | return Status;\r | |
917 | \r | |
918 | }\r | |
919 | /**\r | |
920 | Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all\r | |
921 | child handle attached to the controller handle if there are.\r | |
922 | \r | |
923 | @param This Protocol instance pointer.\r | |
924 | @param Controller Handle of device to stop driver on\r | |
925 | @param NumberOfChildren Not used\r | |
926 | @param ChildHandleBuffer Not used\r | |
927 | \r | |
928 | @retval EFI_SUCCESS This driver is removed DeviceHandle\r | |
929 | @retval other This driver was not removed from this device\r | |
930 | \r | |
931 | **/\r | |
932 | EFI_STATUS\r | |
933 | EFIAPI\r | |
934 | IDEBusDriverBindingStop (\r | |
935 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
936 | IN EFI_HANDLE Controller,\r | |
937 | IN UINTN NumberOfChildren,\r | |
938 | IN EFI_HANDLE *ChildHandleBuffer\r | |
939 | )\r | |
940 | {\r | |
941 | EFI_STATUS Status;\r | |
942 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
943 | BOOLEAN AllChildrenStopped;\r | |
944 | UINTN Index;\r | |
945 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r | |
946 | UINT64 Supports;\r | |
947 | \r | |
948 | IdeBusDriverPrivateData = NULL;\r | |
949 | \r | |
950 | if (NumberOfChildren == 0) {\r | |
951 | \r | |
952 | Status = gBS->OpenProtocol (\r | |
953 | Controller,\r | |
954 | &gEfiPciIoProtocolGuid,\r | |
955 | (VOID **) &PciIo,\r | |
956 | This->DriverBindingHandle,\r | |
957 | Controller,\r | |
958 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
959 | );\r | |
960 | if (!EFI_ERROR (Status)) {\r | |
961 | Status = PciIo->Attributes (\r | |
962 | PciIo,\r | |
963 | EfiPciIoAttributeOperationSupported,\r | |
964 | 0,\r | |
965 | &Supports\r | |
966 | );\r | |
967 | if (!EFI_ERROR (Status)) {\r | |
968 | Supports &= EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE;\r | |
969 | PciIo->Attributes (\r | |
970 | PciIo,\r | |
971 | EfiPciIoAttributeOperationDisable,\r | |
972 | Supports,\r | |
973 | NULL\r | |
974 | );\r | |
975 | }\r | |
976 | }\r | |
977 | \r | |
978 | gBS->OpenProtocol (\r | |
979 | Controller,\r | |
980 | &gEfiCallerIdGuid,\r | |
981 | (VOID **) &IdeBusDriverPrivateData,\r | |
982 | This->DriverBindingHandle,\r | |
983 | Controller,\r | |
984 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
985 | );\r | |
986 | \r | |
987 | gBS->UninstallMultipleProtocolInterfaces (\r | |
988 | Controller,\r | |
989 | &gEfiCallerIdGuid,\r | |
990 | IdeBusDriverPrivateData,\r | |
991 | NULL\r | |
992 | );\r | |
993 | \r | |
994 | if (IdeBusDriverPrivateData != NULL) {\r | |
995 | gBS->FreePool (IdeBusDriverPrivateData);\r | |
996 | }\r | |
997 | //\r | |
998 | // Close the bus driver\r | |
999 | //\r | |
1000 | gBS->CloseProtocol (\r | |
1001 | Controller,\r | |
1002 | &gEfiIdeControllerInitProtocolGuid,\r | |
1003 | This->DriverBindingHandle,\r | |
1004 | Controller\r | |
1005 | );\r | |
1006 | gBS->CloseProtocol (\r | |
1007 | Controller,\r | |
1008 | &gEfiPciIoProtocolGuid,\r | |
1009 | This->DriverBindingHandle,\r | |
1010 | Controller\r | |
1011 | );\r | |
1012 | gBS->CloseProtocol (\r | |
1013 | Controller,\r | |
1014 | &gEfiDevicePathProtocolGuid,\r | |
1015 | This->DriverBindingHandle,\r | |
1016 | Controller\r | |
1017 | );\r | |
1018 | \r | |
1019 | return EFI_SUCCESS;\r | |
1020 | }\r | |
1021 | \r | |
1022 | AllChildrenStopped = TRUE;\r | |
1023 | \r | |
1024 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
1025 | \r | |
1026 | Status = DeRegisterIdeDevice (This, Controller, ChildHandleBuffer[Index]);\r | |
1027 | \r | |
1028 | if (EFI_ERROR (Status)) {\r | |
1029 | AllChildrenStopped = FALSE;\r | |
1030 | }\r | |
1031 | }\r | |
1032 | \r | |
1033 | if (!AllChildrenStopped) {\r | |
1034 | return EFI_DEVICE_ERROR;\r | |
1035 | }\r | |
1036 | \r | |
1037 | return EFI_SUCCESS;\r | |
1038 | }\r | |
1039 | \r | |
1040 | /**\r | |
1041 | issue ATA or ATAPI command to reset a block IO device.\r | |
1042 | @param This Block IO protocol instance pointer.\r | |
1043 | @param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method\r | |
1044 | If TRUE, for ATAPI device, driver need invoke ATA reset method after\r | |
1045 | invoke ATAPI reset method\r | |
1046 | \r | |
1047 | @retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device.\r | |
1048 | @retval EFI_SUCCESS The device reset successfully\r | |
1049 | \r | |
1050 | **/\r | |
1051 | EFI_STATUS\r | |
1052 | EFIAPI\r | |
1053 | IDEBlkIoReset (\r | |
1054 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1055 | IN BOOLEAN ExtendedVerification\r | |
1056 | )\r | |
1057 | {\r | |
1058 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1059 | EFI_STATUS Status;\r | |
1060 | EFI_TPL OldTpl;\r | |
1061 | \r | |
1062 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1063 | \r | |
1064 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1065 | //\r | |
1066 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1067 | //\r | |
1068 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1069 | \r | |
1070 | //\r | |
1071 | // for ATA device, using ATA reset method\r | |
1072 | //\r | |
1073 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1074 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1075 | Status = AtaSoftReset (IdeBlkIoDevice);\r | |
1076 | goto Done;\r | |
1077 | }\r | |
1078 | \r | |
1079 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1080 | Status = EFI_DEVICE_ERROR;\r | |
1081 | goto Done;\r | |
1082 | }\r | |
1083 | \r | |
1084 | //\r | |
1085 | // for ATAPI device, using ATAPI reset method\r | |
1086 | //\r | |
1087 | Status = AtapiSoftReset (IdeBlkIoDevice);\r | |
1088 | if (ExtendedVerification) {\r | |
1089 | Status = AtaSoftReset (IdeBlkIoDevice);\r | |
1090 | }\r | |
1091 | \r | |
1092 | Done:\r | |
1093 | gBS->RestoreTPL (OldTpl);\r | |
1094 | return Status;\r | |
1095 | }\r | |
1096 | \r | |
1097 | /**\r | |
1098 | Read data from a block IO device\r | |
1099 | \r | |
1100 | @param This Block IO protocol instance pointer.\r | |
1101 | @param MediaId The media ID of the device\r | |
cd57e888 | 1102 | @param Lba Starting LBA address to read data\r |
563c9c8a | 1103 | @param BufferSize The size of data to be read\r |
1104 | @param Buffer Caller supplied buffer to save data\r | |
1105 | \r | |
1106 | @retval EFI_DEVICE_ERROR unknown device type\r | |
1107 | @retval other read data status.\r | |
1108 | \r | |
1109 | **/\r | |
1110 | EFI_STATUS\r | |
1111 | EFIAPI\r | |
1112 | IDEBlkIoReadBlocks (\r | |
1113 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1114 | IN UINT32 MediaId,\r | |
cd57e888 | 1115 | IN EFI_LBA Lba,\r |
563c9c8a | 1116 | IN UINTN BufferSize,\r |
1117 | OUT VOID *Buffer\r | |
1118 | )\r | |
1119 | {\r | |
1120 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1121 | EFI_STATUS Status;\r | |
1122 | EFI_TPL OldTpl;\r | |
1123 | \r | |
1124 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1125 | \r | |
1126 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1127 | \r | |
1128 | //\r | |
1129 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1130 | //\r | |
1131 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1132 | \r | |
1133 | //\r | |
1134 | // For ATA compatible device, use ATA read block's mechanism\r | |
1135 | //\r | |
1136 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1137 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1138 | Status = AtaBlkIoReadBlocks (\r | |
1139 | IdeBlkIoDevice,\r | |
1140 | MediaId,\r | |
cd57e888 | 1141 | Lba,\r |
563c9c8a | 1142 | BufferSize,\r |
1143 | Buffer\r | |
1144 | );\r | |
1145 | goto Done;\r | |
1146 | }\r | |
1147 | \r | |
1148 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1149 | Status = EFI_DEVICE_ERROR;\r | |
1150 | goto Done;\r | |
1151 | }\r | |
1152 | \r | |
1153 | //\r | |
1154 | // for ATAPI device, using ATAPI read block's mechanism\r | |
1155 | //\r | |
1156 | Status = AtapiBlkIoReadBlocks (\r | |
1157 | IdeBlkIoDevice,\r | |
1158 | MediaId,\r | |
cd57e888 | 1159 | Lba,\r |
563c9c8a | 1160 | BufferSize,\r |
1161 | Buffer\r | |
1162 | );\r | |
1163 | \r | |
1164 | Done:\r | |
1165 | gBS->RestoreTPL (OldTpl);\r | |
1166 | \r | |
1167 | return Status;\r | |
1168 | }\r | |
1169 | \r | |
1170 | /**\r | |
cd57e888 | 1171 | Write data to block io device.\r |
563c9c8a | 1172 | \r |
1173 | @param This Protocol instance pointer.\r | |
1174 | @param MediaId The media ID of the device\r | |
cd57e888 | 1175 | @param Lba Starting LBA address to write data\r |
563c9c8a | 1176 | @param BufferSize The size of data to be written\r |
1177 | @param Buffer Caller supplied buffer to save data\r | |
1178 | \r | |
1179 | @retval EFI_DEVICE_ERROR unknown device type\r | |
1180 | @retval other write data status\r | |
1181 | \r | |
1182 | **/\r | |
1183 | EFI_STATUS\r | |
1184 | EFIAPI\r | |
1185 | IDEBlkIoWriteBlocks (\r | |
1186 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1187 | IN UINT32 MediaId,\r | |
cd57e888 | 1188 | IN EFI_LBA Lba,\r |
563c9c8a | 1189 | IN UINTN BufferSize,\r |
1190 | IN VOID *Buffer\r | |
1191 | )\r | |
1192 | {\r | |
1193 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1194 | EFI_STATUS Status;\r | |
1195 | EFI_TPL OldTpl;\r | |
1196 | \r | |
1197 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1198 | \r | |
1199 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r | |
1200 | //\r | |
1201 | // Requery IDE IO resources in case of the switch of native and legacy modes\r | |
1202 | //\r | |
1203 | ReassignIdeResources (IdeBlkIoDevice);\r | |
1204 | \r | |
1205 | //\r | |
1206 | // for ATA device, using ATA write block's mechanism\r | |
1207 | //\r | |
1208 | if (IdeBlkIoDevice->Type == IdeHardDisk ||\r | |
1209 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1210 | \r | |
1211 | Status = AtaBlkIoWriteBlocks (\r | |
1212 | IdeBlkIoDevice,\r | |
1213 | MediaId,\r | |
cd57e888 | 1214 | Lba,\r |
563c9c8a | 1215 | BufferSize,\r |
1216 | Buffer\r | |
1217 | );\r | |
1218 | goto Done;\r | |
1219 | }\r | |
1220 | \r | |
1221 | if (IdeBlkIoDevice->Type == IdeUnknown) {\r | |
1222 | Status = EFI_DEVICE_ERROR;\r | |
1223 | goto Done;\r | |
1224 | }\r | |
1225 | \r | |
1226 | //\r | |
1227 | // for ATAPI device, using ATAPI write block's mechanism\r | |
1228 | //\r | |
1229 | Status = AtapiBlkIoWriteBlocks (\r | |
1230 | IdeBlkIoDevice,\r | |
1231 | MediaId,\r | |
cd57e888 | 1232 | Lba,\r |
563c9c8a | 1233 | BufferSize,\r |
1234 | Buffer\r | |
1235 | );\r | |
1236 | \r | |
1237 | Done:\r | |
1238 | gBS->RestoreTPL (OldTpl);\r | |
1239 | return Status;\r | |
1240 | }\r | |
1241 | /**\r | |
1242 | Flushes all modified data to a physical block devices\r | |
1243 | \r | |
1244 | @param This Indicates a pointer to the calling context which to sepcify a\r | |
1245 | sepcific block device\r | |
1246 | \r | |
1247 | @retval EFI_SUCCESS Always return success.\r | |
1248 | **/\r | |
1249 | EFI_STATUS\r | |
1250 | EFIAPI\r | |
1251 | IDEBlkIoFlushBlocks (\r | |
1252 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
1253 | )\r | |
1254 | {\r | |
1255 | //\r | |
1256 | // return directly\r | |
1257 | //\r | |
1258 | return EFI_SUCCESS;\r | |
1259 | }\r | |
1260 | \r | |
1261 | /**\r | |
bab0c17a | 1262 | This function is used by the IDE bus driver to get inquiry data. \r |
1263 | Data format of Identify data is defined by the Interface GUID.\r | |
563c9c8a | 1264 | \r |
bab0c17a | 1265 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1266 | @param InquiryData Pointer to a buffer for the inquiry data.\r | |
1267 | @param InquiryDataSize Pointer to the value for the inquiry data size.\r | |
563c9c8a | 1268 | \r |
bab0c17a | 1269 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1270 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1271 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
1272 | @retval EFI_BUFFER_TOO_SMALL IntquiryDataSize not big enough \r | |
563c9c8a | 1273 | \r |
1274 | **/\r | |
1275 | EFI_STATUS\r | |
1276 | EFIAPI\r | |
1277 | IDEDiskInfoInquiry (\r | |
1278 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1279 | IN OUT VOID *InquiryData,\r | |
1280 | IN OUT UINT32 *InquiryDataSize\r | |
1281 | )\r | |
1282 | {\r | |
1283 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1284 | \r | |
1285 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1286 | \r | |
1287 | if (*InquiryDataSize < sizeof (ATAPI_INQUIRY_DATA)) {\r | |
1288 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA);\r | |
1289 | return EFI_BUFFER_TOO_SMALL;\r | |
1290 | }\r | |
1291 | \r | |
1292 | if (IdeBlkIoDevice->InquiryData == NULL) {\r | |
1293 | return EFI_NOT_FOUND;\r | |
1294 | }\r | |
1295 | \r | |
1296 | gBS->CopyMem (InquiryData, IdeBlkIoDevice->InquiryData, sizeof (ATAPI_INQUIRY_DATA));\r | |
1297 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA);\r | |
1298 | \r | |
1299 | return EFI_SUCCESS;\r | |
1300 | }\r | |
1301 | \r | |
1302 | /**\r | |
bab0c17a | 1303 | This function is used by the IDE bus driver to get identify data. \r |
563c9c8a | 1304 | Data format of Identify data is defined by the Interface GUID.\r |
1305 | \r | |
bab0c17a | 1306 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1307 | @param IdentifyData Pointer to a buffer for the identify data.\r | |
1308 | @param IdentifyDataSize Pointer to the value for the identify data size.\r | |
563c9c8a | 1309 | \r |
bab0c17a | 1310 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1311 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1312 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
1313 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
563c9c8a | 1314 | \r |
1315 | **/\r | |
1316 | EFI_STATUS\r | |
1317 | EFIAPI\r | |
1318 | IDEDiskInfoIdentify (\r | |
1319 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1320 | IN OUT VOID *IdentifyData,\r | |
1321 | IN OUT UINT32 *IdentifyDataSize\r | |
1322 | )\r | |
1323 | {\r | |
1324 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1325 | \r | |
1326 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1327 | \r | |
1328 | if (*IdentifyDataSize < sizeof (EFI_IDENTIFY_DATA)) {\r | |
1329 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA);\r | |
1330 | return EFI_BUFFER_TOO_SMALL;\r | |
1331 | }\r | |
1332 | \r | |
1333 | if (IdeBlkIoDevice->IdData == NULL) {\r | |
1334 | return EFI_NOT_FOUND;\r | |
1335 | }\r | |
1336 | \r | |
1337 | gBS->CopyMem (IdentifyData, IdeBlkIoDevice->IdData, sizeof (EFI_IDENTIFY_DATA));\r | |
1338 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA);\r | |
1339 | \r | |
1340 | return EFI_SUCCESS;\r | |
1341 | }\r | |
1342 | \r | |
1343 | /**\r | |
bab0c17a | 1344 | This function is used by the IDE bus driver to get sense data. \r |
563c9c8a | 1345 | Data format of Sense data is defined by the Interface GUID.\r |
1346 | \r | |
bab0c17a | 1347 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r |
1348 | @param SenseData Pointer to the SenseData. \r | |
1349 | @param SenseDataSize Size of SenseData in bytes. \r | |
1350 | @param SenseDataNumber Pointer to the value for the identify data size.\r | |
563c9c8a | 1351 | \r |
bab0c17a | 1352 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1353 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1354 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
1355 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough \r | |
563c9c8a | 1356 | \r |
1357 | **/\r | |
1358 | EFI_STATUS\r | |
1359 | EFIAPI\r | |
1360 | IDEDiskInfoSenseData (\r | |
1361 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1362 | IN OUT VOID *SenseData,\r | |
1363 | IN OUT UINT32 *SenseDataSize,\r | |
1364 | OUT UINT8 *SenseDataNumber\r | |
1365 | )\r | |
1366 | {\r | |
1367 | return EFI_NOT_FOUND;\r | |
1368 | }\r | |
1369 | \r | |
1370 | /**\r | |
bab0c17a | 1371 | This function is used by the IDE bus driver to get controller information.\r |
563c9c8a | 1372 | \r |
bab0c17a | 1373 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r |
1374 | @param IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
1375 | @param IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
563c9c8a | 1376 | \r |
bab0c17a | 1377 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid \r |
1378 | @retval EFI_UNSUPPORTED This is not an IDE device \r | |
563c9c8a | 1379 | \r |
1380 | **/\r | |
1381 | EFI_STATUS\r | |
1382 | EFIAPI\r | |
1383 | IDEDiskInfoWhichIde (\r | |
1384 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
1385 | OUT UINT32 *IdeChannel,\r | |
1386 | OUT UINT32 *IdeDevice\r | |
1387 | )\r | |
1388 | {\r | |
1389 | IDE_BLK_IO_DEV *IdeBlkIoDevice;\r | |
1390 | \r | |
1391 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This);\r | |
1392 | *IdeChannel = IdeBlkIoDevice->Channel;\r | |
1393 | *IdeDevice = IdeBlkIoDevice->Device;\r | |
1394 | \r | |
1395 | return EFI_SUCCESS;\r | |
1396 | }\r | |
1397 | \r | |
1398 | /**\r | |
1399 | The is an event(generally the event is exitBootService event) call back function.\r | |
1400 | Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.\r | |
1401 | \r | |
1402 | @param Event Pointer to this event\r | |
1403 | @param Context Event hanlder private data\r | |
1404 | \r | |
1405 | **/\r | |
1406 | VOID\r | |
1407 | EFIAPI\r | |
1408 | ClearInterrupt (\r | |
1409 | IN EFI_EVENT Event,\r | |
1410 | IN VOID *Context\r | |
1411 | )\r | |
1412 | {\r | |
1413 | EFI_STATUS Status;\r | |
1414 | UINT64 IoPortForBmis;\r | |
1415 | UINT8 RegisterValue;\r | |
1416 | IDE_BLK_IO_DEV *IdeDev;\r | |
1417 | \r | |
1418 | //\r | |
1419 | // Get our context\r | |
1420 | //\r | |
1421 | IdeDev = (IDE_BLK_IO_DEV *) Context;\r | |
1422 | \r | |
1423 | //\r | |
1424 | // Obtain IDE IO port registers' base addresses\r | |
1425 | //\r | |
1426 | Status = ReassignIdeResources (IdeDev);\r | |
1427 | if (EFI_ERROR (Status)) {\r | |
1428 | return;\r | |
1429 | }\r | |
1430 | \r | |
1431 | //\r | |
1432 | // Check whether interrupt is pending\r | |
1433 | //\r | |
1434 | \r | |
1435 | //\r | |
1436 | // Reset IDE device to force it de-assert interrupt pin\r | |
1437 | // Note: this will reset all devices on this IDE channel\r | |
1438 | //\r | |
1439 | AtaSoftReset (IdeDev);\r | |
1440 | if (EFI_ERROR (Status)) {\r | |
1441 | return;\r | |
1442 | }\r | |
1443 | \r | |
1444 | //\r | |
1445 | // Get base address of IDE Bus Master Status Regsiter\r | |
1446 | //\r | |
1447 | if (IdePrimary == IdeDev->Channel) {\r | |
1448 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
1449 | } else {\r | |
1450 | if (IdeSecondary == IdeDev->Channel) {\r | |
1451 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
1452 | } else {\r | |
1453 | return;\r | |
1454 | }\r | |
1455 | }\r | |
1456 | //\r | |
1457 | // Read BMIS register and clear ERROR and INTR bit\r | |
1458 | //\r | |
1459 | IdeDev->PciIo->Io.Read (\r | |
1460 | IdeDev->PciIo,\r | |
1461 | EfiPciIoWidthUint8,\r | |
1462 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
1463 | IoPortForBmis,\r | |
1464 | 1,\r | |
1465 | &RegisterValue\r | |
1466 | );\r | |
1467 | \r | |
1468 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
1469 | \r | |
1470 | IdeDev->PciIo->Io.Write (\r | |
1471 | IdeDev->PciIo,\r | |
1472 | EfiPciIoWidthUint8,\r | |
1473 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
1474 | IoPortForBmis,\r | |
1475 | 1,\r | |
1476 | &RegisterValue\r | |
1477 | );\r | |
1478 | \r | |
1479 | //\r | |
1480 | // Select the other device on this channel to ensure this device to release the interrupt pin\r | |
1481 | //\r | |
1482 | if (IdeDev->Device == 0) {\r | |
1483 | RegisterValue = (1 << 4) | 0xe0;\r | |
1484 | } else {\r | |
1485 | RegisterValue = (0 << 4) | 0xe0;\r | |
1486 | }\r | |
1487 | IDEWritePortB (\r | |
1488 | IdeDev->PciIo,\r | |
1489 | IdeDev->IoPort->Head,\r | |
1490 | RegisterValue\r | |
1491 | );\r | |
1492 | \r | |
1493 | }\r | |
1494 | \r | |
1495 | /**\r | |
1496 | The user Entry Point for module IdeBus. The user code starts with this function.\r | |
1497 | \r | |
1498 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
1499 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
1500 | \r | |
1501 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
1502 | @retval other Some error occurs when executing this entry point.\r | |
1503 | \r | |
1504 | **/\r | |
1505 | EFI_STATUS\r | |
1506 | EFIAPI\r | |
1507 | InitializeIdeBus(\r | |
1508 | IN EFI_HANDLE ImageHandle,\r | |
1509 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1510 | )\r | |
1511 | {\r | |
1512 | EFI_STATUS Status;\r | |
1513 | \r | |
1514 | //\r | |
1515 | // Install driver model protocol(s).\r | |
1516 | //\r | |
1517 | Status = EfiLibInstallAllDriverProtocols2 (\r | |
1518 | ImageHandle,\r | |
1519 | SystemTable,\r | |
1520 | &gIDEBusDriverBinding,\r | |
1521 | ImageHandle,\r | |
1522 | &gIDEBusComponentName,\r | |
1523 | &gIDEBusComponentName2,\r | |
1524 | NULL,\r | |
1525 | NULL,\r | |
1526 | &gIDEBusDriverDiagnostics,\r | |
1527 | &gIDEBusDriverDiagnostics2\r | |
1528 | );\r | |
1529 | ASSERT_EFI_ERROR (Status);\r | |
1530 | \r | |
1531 | return Status;\r | |
1532 | }\r |