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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | UsbBus.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | USB Bus Driver\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | --*/\r | |
23 | \r | |
24 | #include "usbbus.h"\r | |
25 | \r | |
26 | //#ifdef EFI_DEBUG\r | |
27 | UINTN gUSBDebugLevel = EFI_D_ERROR;\r | |
28 | UINTN gUSBErrorLevel = EFI_D_ERROR;\r | |
29 | //#endif\r | |
30 | //\r | |
31 | // The UsbBusProtocol is just used to locate USB_BUS_CONTROLLER\r | |
32 | // structure in the UsbBusDriverControllerDriverStop(). Then we can\r | |
33 | // Close all opened protocols and release this structure.\r | |
34 | //\r | |
35 | STATIC EFI_GUID mUsbBusProtocolGuid = EFI_USB_BUS_PROTOCOL_GUID;\r | |
36 | \r | |
37 | \r | |
38 | \r | |
39 | //\r | |
40 | // EFI_DRIVER_BINDING_PROTOCOL Protocol Interface\r | |
41 | //\r | |
42 | EFI_STATUS\r | |
43 | EFIAPI\r | |
44 | UsbBusControllerDriverSupported (\r | |
45 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
46 | IN EFI_HANDLE Controller,\r | |
47 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
48 | );\r | |
49 | \r | |
50 | EFI_STATUS\r | |
51 | EFIAPI\r | |
52 | UsbBusControllerDriverStart (\r | |
53 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
54 | IN EFI_HANDLE Controller,\r | |
55 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
56 | );\r | |
57 | \r | |
58 | EFI_STATUS\r | |
59 | EFIAPI\r | |
60 | UsbBusControllerDriverStop (\r | |
61 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
62 | IN EFI_HANDLE Controller,\r | |
63 | IN UINTN NumberOfChildren,\r | |
64 | IN EFI_HANDLE *ChildHandleBuffer\r | |
65 | );\r | |
66 | \r | |
67 | EFI_DRIVER_BINDING_PROTOCOL gUsbBusDriverBinding = {\r | |
68 | UsbBusControllerDriverSupported,\r | |
69 | UsbBusControllerDriverStart,\r | |
70 | UsbBusControllerDriverStop,\r | |
71 | 0x10,\r | |
72 | NULL,\r | |
73 | NULL\r | |
74 | };\r | |
75 | \r | |
76 | //\r | |
77 | // Internal use only\r | |
78 | //\r | |
79 | STATIC\r | |
80 | EFI_STATUS\r | |
81 | ReportUsbStatusCode (\r | |
82 | IN USB_BUS_CONTROLLER_DEVICE *UsbBusController,\r | |
83 | IN EFI_STATUS_CODE_TYPE Type,\r | |
84 | IN EFI_STATUS_CODE_VALUE Code\r | |
85 | );\r | |
86 | \r | |
87 | //\r | |
88 | // Supported function\r | |
89 | //\r | |
90 | VOID\r | |
91 | InitializeUsbIoInstance (\r | |
92 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController\r | |
93 | );\r | |
94 | \r | |
95 | STATIC\r | |
96 | USB_IO_CONTROLLER_DEVICE *\r | |
97 | CreateUsbIoControllerDevice (\r | |
98 | VOID\r | |
99 | );\r | |
100 | \r | |
101 | STATIC\r | |
102 | EFI_STATUS\r | |
103 | InitUsbIoController (\r | |
104 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController\r | |
105 | );\r | |
106 | \r | |
107 | //\r | |
108 | // USB Device Configuration / Deconfiguration\r | |
109 | //\r | |
110 | STATIC\r | |
111 | EFI_STATUS\r | |
112 | UsbDeviceConfiguration (\r | |
113 | IN USB_IO_CONTROLLER_DEVICE *ParentHubController,\r | |
114 | IN EFI_HANDLE HostController,\r | |
115 | IN UINT8 ParentPort,\r | |
116 | IN USB_IO_DEVICE *UsbIoDevice\r | |
117 | );\r | |
118 | \r | |
119 | //\r | |
120 | // Usb Bus enumeration function\r | |
121 | //\r | |
122 | STATIC\r | |
123 | VOID\r | |
124 | EFIAPI\r | |
125 | UsbEnumeration (\r | |
126 | IN EFI_EVENT Event,\r | |
127 | IN VOID *Context\r | |
128 | );\r | |
129 | \r | |
130 | EFI_STATUS\r | |
131 | ResetRootPort (\r | |
132 | IN EFI_USB_HC_PROTOCOL *UsbHCInterface,\r | |
133 | IN UINT8 PortNum,\r | |
134 | IN UINT8 RetryTimes\r | |
135 | );\r | |
136 | \r | |
137 | EFI_STATUS\r | |
138 | ResetHubPort (\r | |
139 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController,\r | |
140 | IN UINT8 PortIndex\r | |
141 | );\r | |
142 | \r | |
143 | EFI_STATUS\r | |
144 | ClearRootPortConnectionChangeStatus (\r | |
145 | IN UINT8 PortNum,\r | |
146 | IN EFI_USB_HC_PROTOCOL *UsbHCInterface\r | |
147 | );\r | |
148 | \r | |
149 | STATIC\r | |
150 | EFI_STATUS\r | |
151 | ParentPortReset (\r | |
152 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController,\r | |
153 | IN BOOLEAN ReConfigure,\r | |
154 | IN UINT8 RetryTimes\r | |
155 | );\r | |
156 | \r | |
157 | //\r | |
158 | // Following are address allocate and free functions\r | |
159 | //\r | |
160 | STATIC\r | |
161 | UINT8\r | |
162 | UsbAllocateAddress (\r | |
163 | IN UINT8 *AddressPool\r | |
164 | )\r | |
165 | {\r | |
166 | UINT8 ByteIndex;\r | |
167 | UINT8 BitIndex;\r | |
168 | \r | |
169 | for (ByteIndex = 0; ByteIndex < 16; ByteIndex++) {\r | |
170 | for (BitIndex = 0; BitIndex < 8; BitIndex++) {\r | |
171 | if ((AddressPool[ByteIndex] & (1 << BitIndex)) == 0) {\r | |
172 | //\r | |
173 | // Found one, covert to address, and mark it use\r | |
174 | //\r | |
175 | AddressPool[ByteIndex] |= (1 << BitIndex);\r | |
176 | return (UINT8) (ByteIndex * 8 + BitIndex);\r | |
177 | }\r | |
178 | }\r | |
179 | }\r | |
180 | \r | |
181 | return 0;\r | |
182 | \r | |
183 | }\r | |
184 | \r | |
185 | STATIC\r | |
186 | VOID\r | |
187 | UsbFreeAddress (\r | |
188 | IN UINT8 DevAddress,\r | |
189 | IN UINT8 *AddressPool\r | |
190 | )\r | |
191 | {\r | |
192 | UINT8 WhichByte;\r | |
193 | UINT8 WhichBit;\r | |
194 | //\r | |
195 | // Locate the position\r | |
196 | //\r | |
197 | WhichByte = (UINT8) (DevAddress / 8);\r | |
198 | WhichBit = (UINT8) (DevAddress & 0x7);\r | |
199 | \r | |
200 | AddressPool[WhichByte] &= (~(1 << WhichBit));\r | |
201 | }\r | |
202 | \r | |
203 | EFI_STATUS\r | |
204 | EFIAPI\r | |
205 | UsbBusControllerDriverSupported (\r | |
206 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
207 | IN EFI_HANDLE Controller,\r | |
208 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
209 | )\r | |
210 | /*++\r | |
211 | \r | |
212 | Routine Description:\r | |
213 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r | |
214 | that has UsbHcProtocol installed will be supported.\r | |
215 | \r | |
216 | Arguments:\r | |
217 | This - Protocol instance pointer.\r | |
218 | Controller - Handle of device to test\r | |
219 | RemainingDevicePath - Not used\r | |
220 | \r | |
221 | Returns:\r | |
222 | EFI_SUCCESS - This driver supports this device.\r | |
223 | EFI_UNSUPPORTED - This driver does not support this device.\r | |
224 | \r | |
225 | --*/\r | |
226 | {\r | |
227 | EFI_STATUS OpenStatus;\r | |
228 | \r | |
229 | //\r | |
230 | // Check whether USB Host Controller Protocol is already\r | |
231 | // installed on this handle. If it is installed, we can start\r | |
232 | // USB Bus Driver now.\r | |
233 | //\r | |
234 | OpenStatus = gBS->OpenProtocol (\r | |
235 | Controller,\r | |
236 | &gEfiUsbHcProtocolGuid,\r | |
237 | NULL,\r | |
238 | This->DriverBindingHandle,\r | |
239 | Controller,\r | |
240 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
241 | );\r | |
242 | \r | |
243 | if (EFI_ERROR (OpenStatus) && (OpenStatus != EFI_ALREADY_STARTED)) {\r | |
244 | return EFI_UNSUPPORTED;\r | |
245 | }\r | |
246 | \r | |
247 | return OpenStatus;\r | |
248 | }\r | |
249 | \r | |
250 | \r | |
251 | EFI_STATUS\r | |
252 | EFIAPI\r | |
253 | UsbBusControllerDriverStart (\r | |
254 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
255 | IN EFI_HANDLE Controller,\r | |
256 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
257 | )\r | |
258 | /*++\r | |
259 | \r | |
260 | Routine Description:\r | |
261 | \r | |
262 | Starting the Usb Bus Driver\r | |
263 | \r | |
264 | Arguments:\r | |
265 | \r | |
266 | This - Protocol instance pointer.\r | |
267 | Controller - Handle of device to test\r | |
268 | RemainingDevicePath - Not used\r | |
269 | \r | |
270 | Returns:\r | |
271 | \r | |
272 | EFI_SUCCESS - This driver supports this device.\r | |
273 | EFI_UNSUPPORTED - This driver does not support this device.\r | |
274 | EFI_DEVICE_ERROR - This driver cannot be started due to device\r | |
275 | Error\r | |
276 | EFI_OUT_OF_RESOURCES- Can't allocate memory resources\r | |
277 | EFI_ALREADY_STARTED - This driver has been started\r | |
278 | \r | |
279 | --*/\r | |
280 | {\r | |
281 | EFI_STATUS Status;\r | |
282 | EFI_STATUS OpenStatus;\r | |
283 | USB_BUS_CONTROLLER_DEVICE *UsbBusDev;\r | |
284 | USB_IO_DEVICE *RootHub;\r | |
285 | USB_IO_CONTROLLER_DEVICE *RootHubController;\r | |
286 | EFI_USB_HC_PROTOCOL *UsbHCInterface;\r | |
287 | \r | |
288 | //\r | |
289 | // Allocate USB_BUS_CONTROLLER_DEVICE structure\r | |
290 | //\r | |
291 | UsbBusDev = NULL;\r | |
292 | UsbBusDev = AllocateZeroPool (sizeof (USB_BUS_CONTROLLER_DEVICE));\r | |
293 | if (UsbBusDev == NULL) {\r | |
294 | return EFI_OUT_OF_RESOURCES;\r | |
295 | }\r | |
296 | \r | |
297 | UsbBusDev->Signature = USB_BUS_DEVICE_SIGNATURE;\r | |
298 | UsbBusDev->AddressPool[0] = 1;\r | |
299 | \r | |
300 | //\r | |
301 | // Get the Device Path Protocol on Controller's handle\r | |
302 | //\r | |
303 | OpenStatus = gBS->OpenProtocol (\r | |
304 | Controller,\r | |
305 | &gEfiDevicePathProtocolGuid,\r | |
306 | (VOID **) &UsbBusDev->DevicePath,\r | |
307 | This->DriverBindingHandle,\r | |
308 | Controller,\r | |
309 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
310 | );\r | |
311 | \r | |
312 | if (EFI_ERROR (OpenStatus)) {\r | |
313 | gBS->FreePool (UsbBusDev);\r | |
314 | return EFI_UNSUPPORTED;\r | |
315 | }\r | |
316 | //\r | |
317 | // Locate the Host Controller Interface\r | |
318 | //\r | |
319 | OpenStatus = gBS->OpenProtocol (\r | |
320 | Controller,\r | |
321 | &gEfiUsbHcProtocolGuid,\r | |
322 | (VOID **) &UsbHCInterface,\r | |
323 | This->DriverBindingHandle,\r | |
324 | Controller,\r | |
325 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
326 | );\r | |
327 | \r | |
328 | if (EFI_ERROR (OpenStatus) && (OpenStatus != EFI_ALREADY_STARTED)) {\r | |
329 | \r | |
330 | //\r | |
331 | // Report Status Code here since we will reset the host controller\r | |
332 | //\r | |
333 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
334 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
335 | EFI_IO_BUS_USB | EFI_IOB_EC_CONTROLLER_ERROR,\r | |
336 | UsbBusDev->DevicePath\r | |
337 | );\r | |
338 | \r | |
339 | gBS->CloseProtocol (\r | |
340 | Controller,\r | |
341 | &gEfiDevicePathProtocolGuid,\r | |
342 | This->DriverBindingHandle,\r | |
343 | Controller\r | |
344 | );\r | |
345 | gBS->FreePool (UsbBusDev);\r | |
346 | return EFI_UNSUPPORTED;\r | |
347 | }\r | |
348 | \r | |
349 | if (OpenStatus == EFI_ALREADY_STARTED) {\r | |
350 | gBS->CloseProtocol (\r | |
351 | Controller,\r | |
352 | &gEfiDevicePathProtocolGuid,\r | |
353 | This->DriverBindingHandle,\r | |
354 | Controller\r | |
355 | );\r | |
356 | gBS->FreePool (UsbBusDev);\r | |
357 | return EFI_ALREADY_STARTED;\r | |
358 | }\r | |
359 | \r | |
360 | UsbBusDev->UsbHCInterface = UsbHCInterface;\r | |
361 | \r | |
362 | //\r | |
363 | // Attach EFI_USB_BUS_PROTOCOL to controller handle,\r | |
364 | // for locate UsbBusDev later\r | |
365 | //\r | |
366 | Status = gBS->InstallProtocolInterface (\r | |
367 | &Controller,\r | |
368 | &mUsbBusProtocolGuid,\r | |
369 | EFI_NATIVE_INTERFACE,\r | |
370 | &UsbBusDev->BusIdentify\r | |
371 | );\r | |
372 | \r | |
373 | if (EFI_ERROR (Status)) {\r | |
374 | \r | |
375 | gBS->CloseProtocol (\r | |
376 | Controller,\r | |
377 | &gEfiDevicePathProtocolGuid,\r | |
378 | This->DriverBindingHandle,\r | |
379 | Controller\r | |
380 | );\r | |
381 | gBS->CloseProtocol (\r | |
382 | Controller,\r | |
383 | &gEfiUsbHcProtocolGuid,\r | |
384 | This->DriverBindingHandle,\r | |
385 | Controller\r | |
386 | );\r | |
387 | gBS->FreePool (UsbBusDev);\r | |
388 | return Status;\r | |
389 | }\r | |
390 | //\r | |
391 | // Add root hub to the tree\r | |
392 | //\r | |
393 | RootHub = NULL;\r | |
394 | RootHub = AllocateZeroPool (sizeof (USB_IO_DEVICE));\r | |
395 | if (RootHub == NULL) {\r | |
396 | gBS->UninstallProtocolInterface (\r | |
397 | Controller,\r | |
398 | &mUsbBusProtocolGuid,\r | |
399 | &UsbBusDev->BusIdentify\r | |
400 | );\r | |
401 | gBS->CloseProtocol (\r | |
402 | Controller,\r | |
403 | &gEfiDevicePathProtocolGuid,\r | |
404 | This->DriverBindingHandle,\r | |
405 | Controller\r | |
406 | );\r | |
407 | gBS->CloseProtocol (\r | |
408 | Controller,\r | |
409 | &gEfiUsbHcProtocolGuid,\r | |
410 | This->DriverBindingHandle,\r | |
411 | Controller\r | |
412 | );\r | |
413 | gBS->FreePool (UsbBusDev);\r | |
414 | return EFI_OUT_OF_RESOURCES;\r | |
415 | }\r | |
416 | \r | |
417 | RootHub->BusController = UsbBusDev;\r | |
418 | RootHub->DeviceAddress = UsbAllocateAddress (UsbBusDev->AddressPool);\r | |
419 | \r | |
420 | UsbBusDev->Root = RootHub;\r | |
421 | \r | |
422 | //\r | |
423 | // Allocate Root Hub Controller\r | |
424 | //\r | |
425 | RootHubController = CreateUsbIoControllerDevice ();\r | |
426 | if (RootHubController == NULL) {\r | |
427 | gBS->UninstallProtocolInterface (\r | |
428 | Controller,\r | |
429 | &mUsbBusProtocolGuid,\r | |
430 | &UsbBusDev->BusIdentify\r | |
431 | );\r | |
432 | gBS->CloseProtocol (\r | |
433 | Controller,\r | |
434 | &gEfiDevicePathProtocolGuid,\r | |
435 | This->DriverBindingHandle,\r | |
436 | Controller\r | |
437 | );\r | |
438 | gBS->CloseProtocol (\r | |
439 | Controller,\r | |
440 | &gEfiUsbHcProtocolGuid,\r | |
441 | This->DriverBindingHandle,\r | |
442 | Controller\r | |
443 | );\r | |
444 | gBS->FreePool (UsbBusDev);\r | |
445 | gBS->FreePool (RootHub);\r | |
446 | return EFI_OUT_OF_RESOURCES;\r | |
447 | }\r | |
448 | \r | |
449 | UsbHCInterface->GetRootHubPortNumber (\r | |
450 | UsbHCInterface,\r | |
451 | &RootHubController->DownstreamPorts\r | |
452 | );\r | |
453 | RootHubController->UsbDevice = RootHub;\r | |
454 | RootHubController->IsUsbHub = TRUE;\r | |
455 | RootHubController->DevicePath = UsbBusDev->DevicePath;\r | |
456 | RootHubController->HostController = Controller;\r | |
457 | \r | |
458 | RootHub->NumOfControllers = 1;\r | |
459 | RootHub->UsbController[0] = RootHubController;\r | |
460 | \r | |
461 | //\r | |
462 | // Report Status Code here since we will reset the host controller\r | |
463 | //\r | |
464 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
465 | EFI_PROGRESS_CODE,\r | |
466 | EFI_IO_BUS_USB | EFI_IOB_PC_RESET,\r | |
467 | UsbBusDev->DevicePath\r | |
468 | );\r | |
469 | \r | |
470 | //\r | |
471 | // Reset USB Host Controller\r | |
472 | //\r | |
473 | UsbHCInterface->Reset (\r | |
474 | UsbHCInterface,\r | |
475 | EFI_USB_HC_RESET_GLOBAL\r | |
476 | );\r | |
477 | \r | |
478 | //\r | |
479 | // Report Status Code while we are going to bring up the Host Controller\r | |
480 | // and start bus enumeration\r | |
481 | //\r | |
482 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
483 | EFI_PROGRESS_CODE,\r | |
484 | EFI_IO_BUS_USB | EFI_IOB_PC_ENABLE,\r | |
485 | UsbBusDev->DevicePath\r | |
486 | );\r | |
487 | \r | |
488 | //\r | |
489 | // Start USB Host Controller\r | |
490 | //\r | |
491 | UsbHCInterface->SetState (\r | |
492 | UsbHCInterface,\r | |
493 | EfiUsbHcStateOperational\r | |
494 | );\r | |
495 | \r | |
496 | //\r | |
497 | // Create a timer to query root ports periodically\r | |
498 | //\r | |
499 | Status = gBS->CreateEvent (\r | |
500 | EFI_EVENT_TIMER | EFI_EVENT_NOTIFY_SIGNAL,\r | |
501 | EFI_TPL_CALLBACK,\r | |
502 | UsbEnumeration,\r | |
503 | RootHubController,\r | |
504 | &RootHubController->HubNotify\r | |
505 | );\r | |
506 | if (EFI_ERROR (Status)) {\r | |
507 | gBS->UninstallProtocolInterface (\r | |
508 | Controller,\r | |
509 | &mUsbBusProtocolGuid,\r | |
510 | &UsbBusDev->BusIdentify\r | |
511 | );\r | |
512 | \r | |
513 | gBS->CloseProtocol (\r | |
514 | Controller,\r | |
515 | &gEfiDevicePathProtocolGuid,\r | |
516 | This->DriverBindingHandle,\r | |
517 | Controller\r | |
518 | );\r | |
519 | \r | |
520 | gBS->CloseProtocol (\r | |
521 | Controller,\r | |
522 | &gEfiUsbHcProtocolGuid,\r | |
523 | This->DriverBindingHandle,\r | |
524 | Controller\r | |
525 | );\r | |
526 | \r | |
527 | gBS->FreePool (RootHubController);\r | |
528 | gBS->FreePool (RootHub);\r | |
529 | gBS->FreePool (UsbBusDev);\r | |
530 | return EFI_UNSUPPORTED;\r | |
531 | }\r | |
532 | \r | |
533 | //\r | |
534 | // Before depending on the timer to check root ports periodically,\r | |
535 | // here we should check them immediately for the first time, or\r | |
536 | // there will be an interval between bus start and devices start.\r | |
537 | //\r | |
538 | gBS->SignalEvent (RootHubController->HubNotify);\r | |
539 | \r | |
540 | Status = gBS->SetTimer (\r | |
541 | RootHubController->HubNotify,\r | |
542 | TimerPeriodic,\r | |
543 | BUSPOLLING_PERIOD\r | |
544 | );\r | |
545 | if (EFI_ERROR (Status)) {\r | |
546 | gBS->UninstallProtocolInterface (\r | |
547 | Controller,\r | |
548 | &mUsbBusProtocolGuid,\r | |
549 | &UsbBusDev->BusIdentify\r | |
550 | );\r | |
551 | \r | |
552 | gBS->CloseProtocol (\r | |
553 | Controller,\r | |
554 | &gEfiDevicePathProtocolGuid,\r | |
555 | This->DriverBindingHandle,\r | |
556 | Controller\r | |
557 | );\r | |
558 | \r | |
559 | gBS->CloseProtocol (\r | |
560 | Controller,\r | |
561 | &gEfiUsbHcProtocolGuid,\r | |
562 | This->DriverBindingHandle,\r | |
563 | Controller\r | |
564 | );\r | |
565 | \r | |
566 | gBS->CloseEvent (RootHubController->HubNotify);\r | |
567 | gBS->FreePool (RootHubController);\r | |
568 | gBS->FreePool (RootHub);\r | |
569 | gBS->FreePool (UsbBusDev);\r | |
570 | return EFI_UNSUPPORTED;\r | |
571 | }\r | |
572 | \r | |
573 | return EFI_SUCCESS;\r | |
574 | }\r | |
575 | //\r | |
576 | // Stop the bus controller\r | |
577 | //\r | |
578 | EFI_STATUS\r | |
579 | EFIAPI\r | |
580 | UsbBusControllerDriverStop (\r | |
581 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
582 | IN EFI_HANDLE Controller,\r | |
583 | IN UINTN NumberOfChildren,\r | |
584 | IN EFI_HANDLE *ChildHandleBuffer\r | |
585 | )\r | |
586 | /*++\r | |
587 | \r | |
588 | Routine Description:\r | |
589 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
590 | created by this driver.\r | |
591 | \r | |
592 | Arguments:\r | |
593 | This - Protocol instance pointer.\r | |
594 | Controller - Handle of device to stop driver on\r | |
595 | NumberOfChildren - Number of Children in the ChildHandleBuffer\r | |
596 | ChildHandleBuffer - List of handles for the children we need to stop.\r | |
597 | \r | |
598 | Returns:\r | |
599 | EFI_SUCCESS\r | |
600 | EFI_DEVICE_ERROR\r | |
601 | others\r | |
602 | \r | |
603 | --*/\r | |
604 | {\r | |
605 | EFI_STATUS Status;\r | |
606 | USB_IO_DEVICE *Root;\r | |
607 | USB_IO_CONTROLLER_DEVICE *RootHubController;\r | |
608 | USB_BUS_CONTROLLER_DEVICE *UsbBusController;\r | |
609 | EFI_USB_BUS_PROTOCOL *UsbIdentifier;\r | |
610 | UINT8 Index2;\r | |
611 | EFI_USB_HC_PROTOCOL *UsbHCInterface;\r | |
612 | USB_IO_CONTROLLER_DEVICE *UsbController;\r | |
613 | USB_IO_DEVICE *UsbIoDevice;\r | |
614 | USB_IO_CONTROLLER_DEVICE *HubController;\r | |
615 | UINTN Index;\r | |
616 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
617 | \r | |
618 | if (NumberOfChildren > 0) {\r | |
619 | \r | |
620 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
621 | Status = gBS->OpenProtocol (\r | |
622 | ChildHandleBuffer[Index],\r | |
623 | &gEfiUsbIoProtocolGuid,\r | |
624 | (VOID **) &UsbIo,\r | |
625 | This->DriverBindingHandle,\r | |
626 | Controller,\r | |
627 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
628 | );\r | |
629 | if (EFI_ERROR (Status)) {\r | |
630 | //\r | |
631 | // We are here since the handle passed in does not support\r | |
632 | // UsbIo protocol. There are several reasons that will cause\r | |
633 | // this.\r | |
634 | // For combo device such as keyboard, it may have 2 devices\r | |
635 | // in one, namely, keyboard and mouse. If we deconfigure one\r | |
636 | // of them, the other will be freed at the same time. This will\r | |
637 | // cause the status error. But this is the correct behavior.\r | |
638 | // For hub device, if we deconfigure hub first, the other chile\r | |
639 | // device will be disconnected also, this will also provide us\r | |
640 | // a status error. Now we will only report EFI_SUCCESS since Uhc\r | |
641 | // driver will be disconnected at the second time.(pls see\r | |
642 | // CoreDisconnectController for details)\r | |
643 | //\r | |
644 | continue;\r | |
645 | }\r | |
646 | \r | |
647 | UsbController = USB_IO_CONTROLLER_DEVICE_FROM_USB_IO_THIS (UsbIo);\r | |
648 | UsbIoDevice = UsbController->UsbDevice;\r | |
649 | HubController = UsbController->Parent;\r | |
650 | UsbDeviceDeConfiguration (UsbIoDevice);\r | |
651 | for (Index2 = 0; Index2 < HubController->DownstreamPorts; Index2++) {\r | |
652 | if (HubController->Children[Index2] == UsbIoDevice) {\r | |
653 | HubController->Children[Index2] = NULL;\r | |
654 | }\r | |
655 | }\r | |
656 | }\r | |
657 | \r | |
658 | return EFI_SUCCESS;\r | |
659 | }\r | |
660 | //\r | |
661 | // Get the USB_BUS_CONTROLLER_DEVICE\r | |
662 | //\r | |
663 | Status = gBS->OpenProtocol (\r | |
664 | Controller,\r | |
665 | &mUsbBusProtocolGuid,\r | |
666 | (VOID **) &UsbIdentifier,\r | |
667 | This->DriverBindingHandle,\r | |
668 | Controller,\r | |
669 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
670 | );\r | |
671 | \r | |
672 | if (EFI_ERROR (Status)) {\r | |
673 | return EFI_DEVICE_ERROR;\r | |
674 | }\r | |
675 | \r | |
676 | UsbBusController = USB_BUS_CONTROLLER_DEVICE_FROM_THIS (UsbIdentifier);\r | |
677 | \r | |
678 | //\r | |
679 | // Stop USB Host Controller\r | |
680 | //\r | |
681 | UsbHCInterface = UsbBusController->UsbHCInterface;\r | |
682 | \r | |
683 | //\r | |
684 | // Report Status Code here since we will reset the host controller\r | |
685 | //\r | |
686 | ReportUsbStatusCode (\r | |
687 | UsbBusController,\r | |
688 | EFI_PROGRESS_CODE,\r | |
689 | EFI_IO_BUS_USB | EFI_IOB_PC_RESET\r | |
690 | );\r | |
691 | \r | |
692 | UsbHCInterface->SetState (\r | |
693 | UsbHCInterface,\r | |
694 | EfiUsbHcStateHalt\r | |
695 | );\r | |
696 | \r | |
697 | //\r | |
698 | // Deconfiguration all its devices\r | |
699 | //\r | |
700 | Root = UsbBusController->Root;\r | |
701 | RootHubController = Root->UsbController[0];\r | |
702 | \r | |
703 | gBS->CloseEvent (RootHubController->HubNotify);\r | |
704 | \r | |
705 | for (Index2 = 0; Index2 < RootHubController->DownstreamPorts; Index2++) {\r | |
706 | if (RootHubController->Children[Index2]) {\r | |
707 | UsbDeviceDeConfiguration (RootHubController->Children[Index2]);\r | |
708 | RootHubController->Children[Index2] = NULL;\r | |
709 | }\r | |
710 | }\r | |
711 | \r | |
712 | gBS->FreePool (RootHubController);\r | |
713 | gBS->FreePool (Root);\r | |
714 | \r | |
715 | //\r | |
716 | // Uninstall USB Bus Protocol\r | |
717 | //\r | |
718 | gBS->UninstallProtocolInterface (\r | |
719 | Controller,\r | |
720 | &mUsbBusProtocolGuid,\r | |
721 | &UsbBusController->BusIdentify\r | |
722 | );\r | |
723 | \r | |
724 | //\r | |
725 | // Close USB_HC_PROTOCOL & DEVICE_PATH_PROTOCOL\r | |
726 | // Opened by this Controller\r | |
727 | //\r | |
728 | gBS->CloseProtocol (\r | |
729 | Controller,\r | |
730 | &gEfiUsbHcProtocolGuid,\r | |
731 | This->DriverBindingHandle,\r | |
732 | Controller\r | |
733 | );\r | |
734 | \r | |
735 | gBS->CloseProtocol (\r | |
736 | Controller,\r | |
737 | &gEfiDevicePathProtocolGuid,\r | |
738 | This->DriverBindingHandle,\r | |
739 | Controller\r | |
740 | );\r | |
741 | \r | |
742 | gBS->FreePool (UsbBusController);\r | |
743 | \r | |
744 | return EFI_SUCCESS;\r | |
745 | }\r | |
746 | //\r | |
747 | // USB Device Configuration\r | |
748 | //\r | |
749 | STATIC\r | |
750 | EFI_STATUS\r | |
751 | UsbDeviceConfiguration (\r | |
752 | IN USB_IO_CONTROLLER_DEVICE *ParentHubController,\r | |
753 | IN EFI_HANDLE HostController,\r | |
754 | IN UINT8 ParentPort,\r | |
755 | IN USB_IO_DEVICE *UsbIoDevice\r | |
756 | )\r | |
757 | /*++\r | |
758 | \r | |
759 | Routine Description:\r | |
760 | Configurate a new device attached to the usb bus\r | |
761 | \r | |
762 | Arguments:\r | |
763 | ParentHubController - Parent Hub which this device is connected.\r | |
764 | HostController - Host Controller handle\r | |
765 | ParentPort - Parent Hub port which this device is connected.\r | |
766 | UsbIoDevice - The device to be configured.\r | |
767 | \r | |
768 | Returns:\r | |
769 | EFI_SUCCESS\r | |
770 | EFI_DEVICE_ERROR\r | |
771 | EFI_OUT_OF_RESOURCES\r | |
772 | \r | |
773 | --*/\r | |
774 | {\r | |
775 | UINT8 DevAddress;\r | |
776 | UINT8 Index;\r | |
777 | EFI_STATUS Result;\r | |
778 | UINT32 Status;\r | |
779 | CHAR16 *StrManufacturer;\r | |
780 | CHAR16 *StrProduct;\r | |
781 | CHAR16 *StrSerialNumber;\r | |
782 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
783 | UINT8 NumOfInterface;\r | |
784 | USB_IO_CONTROLLER_DEVICE *FirstController;\r | |
785 | USB_BUS_CONTROLLER_DEVICE *UsbBusDev;\r | |
786 | USB_IO_CONTROLLER_DEVICE *UsbIoController;\r | |
787 | \r | |
788 | UsbBusDev = UsbIoDevice->BusController;\r | |
789 | //\r | |
790 | // Since a USB device must have at least on interface,\r | |
791 | // so create this instance first\r | |
792 | //\r | |
793 | FirstController = CreateUsbIoControllerDevice ();\r | |
794 | FirstController->UsbDevice = UsbIoDevice;\r | |
795 | UsbIoDevice->UsbController[0] = FirstController;\r | |
796 | FirstController->InterfaceNumber = 0;\r | |
797 | FirstController->ParentPort = ParentPort;\r | |
798 | FirstController->Parent = ParentHubController;\r | |
799 | FirstController->HostController = HostController;\r | |
800 | \r | |
801 | InitializeUsbIoInstance (FirstController);\r | |
802 | \r | |
803 | DEBUG ((gUSBDebugLevel, "Configuration Usb Device at 0x%x...\n", ParentPort));\r | |
804 | \r | |
805 | //\r | |
806 | // Ensure we used the correctly USB I/O instance\r | |
807 | //\r | |
808 | UsbIo = &FirstController->UsbIo;\r | |
809 | \r | |
810 | //\r | |
811 | // First retrieve the 1st 8 bytes of\r | |
812 | // in order to get the MaxPacketSize for Endpoint 0\r | |
813 | //\r | |
814 | for (Index = 0; Index < 3; Index++) {\r | |
815 | \r | |
816 | UsbIoDevice->DeviceDescriptor.MaxPacketSize0 = 8;\r | |
817 | \r | |
818 | ParentPortReset (FirstController, FALSE, Index);\r | |
819 | \r | |
820 | Result = UsbGetDescriptor (\r | |
821 | UsbIo,\r | |
822 | (USB_DT_DEVICE << 8),\r | |
823 | 0,\r | |
824 | 8,\r | |
825 | &UsbIoDevice->DeviceDescriptor,\r | |
826 | &Status\r | |
827 | );\r | |
828 | if (!EFI_ERROR (Result)) {\r | |
829 | DEBUG ((gUSBDebugLevel,\r | |
830 | "Get Device Descriptor Success, MaxPacketSize0 = 0x%x\n",\r | |
831 | UsbIoDevice->DeviceDescriptor.MaxPacketSize0)\r | |
832 | );\r | |
833 | break;\r | |
834 | }\r | |
835 | \r | |
836 | }\r | |
837 | \r | |
838 | if (Index == 3) {\r | |
839 | ReportUsbStatusCode (\r | |
840 | UsbBusDev,\r | |
841 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
842 | EFI_IO_BUS_USB | EFI_IOB_EC_READ_ERROR\r | |
843 | );\r | |
844 | DEBUG ((gUSBErrorLevel, "Get Device Descriptor Fail when configing\n"));\r | |
845 | gBS->FreePool (FirstController);\r | |
846 | return EFI_DEVICE_ERROR;\r | |
847 | }\r | |
848 | \r | |
849 | DevAddress = UsbAllocateAddress (UsbIoDevice->BusController->AddressPool);\r | |
850 | if (DevAddress == 0) {\r | |
851 | DEBUG ((gUSBErrorLevel, "Cannot allocate address\n"));\r | |
852 | gBS->FreePool (FirstController);\r | |
853 | return EFI_OUT_OF_RESOURCES;\r | |
854 | }\r | |
855 | \r | |
856 | Result = UsbSetDeviceAddress (UsbIo, DevAddress, &Status);\r | |
857 | \r | |
858 | if (EFI_ERROR (Result)) {\r | |
859 | DEBUG ((gUSBErrorLevel, "Set address error\n"));\r | |
860 | ReportUsbStatusCode (\r | |
861 | UsbBusDev,\r | |
862 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
863 | EFI_IO_BUS_USB | EFI_IOB_EC_WRITE_ERROR\r | |
864 | );\r | |
865 | \r | |
866 | UsbFreeAddress (\r | |
867 | DevAddress,\r | |
868 | UsbIoDevice->BusController->AddressPool\r | |
869 | );\r | |
870 | \r | |
871 | gBS->FreePool (FirstController);\r | |
872 | return EFI_DEVICE_ERROR;\r | |
873 | }\r | |
874 | \r | |
875 | UsbIoDevice->DeviceAddress = DevAddress;\r | |
876 | \r | |
877 | //\r | |
878 | // Get the whole device descriptor\r | |
879 | //\r | |
880 | Result = UsbGetDescriptor (\r | |
881 | UsbIo,\r | |
882 | (USB_DT_DEVICE << 8),\r | |
883 | 0,\r | |
884 | sizeof (EFI_USB_DEVICE_DESCRIPTOR),\r | |
885 | &UsbIoDevice->DeviceDescriptor,\r | |
886 | &Status\r | |
887 | );\r | |
888 | \r | |
889 | if (EFI_ERROR (Result)) {\r | |
890 | DEBUG ((gUSBErrorLevel, "Get whole Device Descriptor error\n"));\r | |
891 | ReportUsbStatusCode (\r | |
892 | UsbBusDev,\r | |
893 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
894 | EFI_IO_BUS_USB | EFI_IOB_EC_READ_ERROR\r | |
895 | );\r | |
896 | UsbFreeAddress (\r | |
897 | DevAddress,\r | |
898 | UsbIoDevice->BusController->AddressPool\r | |
899 | );\r | |
900 | \r | |
901 | gBS->FreePool (FirstController);\r | |
902 | return EFI_DEVICE_ERROR;\r | |
903 | }\r | |
904 | //\r | |
905 | // Get & parse all configurations for this device, including\r | |
906 | // all configuration descriptors, all interface descriptors, all\r | |
907 | // endpoint descriptors\r | |
908 | //\r | |
909 | Result = UsbGetAllConfigurations (UsbIoDevice);\r | |
910 | \r | |
911 | if (EFI_ERROR (Result)) {\r | |
912 | DEBUG ((gUSBErrorLevel, "Failed to get device configuration\n"));\r | |
913 | ReportUsbStatusCode (\r | |
914 | UsbBusDev,\r | |
915 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
916 | EFI_IO_BUS_USB | EFI_IOB_EC_READ_ERROR\r | |
917 | );\r | |
918 | UsbFreeAddress (\r | |
919 | DevAddress,\r | |
920 | UsbIoDevice->BusController->AddressPool\r | |
921 | );\r | |
922 | \r | |
923 | gBS->FreePool (FirstController);\r | |
924 | return EFI_DEVICE_ERROR;\r | |
925 | }\r | |
926 | //\r | |
927 | // Set the 1st configuration value\r | |
928 | //\r | |
929 | Result = UsbSetDefaultConfiguration (UsbIoDevice);\r | |
930 | if (EFI_ERROR (Result)) {\r | |
931 | DEBUG ((gUSBErrorLevel, "Failed to set device configuration\n"));\r | |
932 | ReportUsbStatusCode (\r | |
933 | UsbBusDev,\r | |
934 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
935 | EFI_IO_BUS_USB | EFI_IOB_EC_WRITE_ERROR\r | |
936 | );\r | |
937 | UsbFreeAddress (\r | |
938 | DevAddress,\r | |
939 | UsbIoDevice->BusController->AddressPool\r | |
940 | );\r | |
941 | \r | |
942 | gBS->FreePool (FirstController);\r | |
943 | return EFI_DEVICE_ERROR;\r | |
944 | }\r | |
945 | \r | |
946 | UsbIoDevice->IsConfigured = TRUE;\r | |
947 | \r | |
948 | //\r | |
949 | // Get all string table if applicable\r | |
950 | //\r | |
951 | Result = UsbGetStringtable (UsbIoDevice);\r | |
952 | if (EFI_ERROR (Result)) {\r | |
953 | DEBUG ((gUSBDebugLevel, "Device doesn't support string table\n"));\r | |
954 | } else {\r | |
955 | \r | |
956 | StrManufacturer = NULL;\r | |
957 | UsbIo->UsbGetStringDescriptor (\r | |
958 | UsbIo,\r | |
959 | UsbIoDevice->LangID[0],\r | |
960 | (UsbIoDevice->DeviceDescriptor).StrManufacturer,\r | |
961 | &StrManufacturer\r | |
962 | );\r | |
963 | \r | |
964 | StrProduct = NULL;\r | |
965 | UsbIo->UsbGetStringDescriptor (\r | |
966 | UsbIo,\r | |
967 | UsbIoDevice->LangID[0],\r | |
968 | (UsbIoDevice->DeviceDescriptor).StrProduct,\r | |
969 | &StrProduct\r | |
970 | );\r | |
971 | \r | |
972 | StrSerialNumber = NULL;\r | |
973 | UsbIo->UsbGetStringDescriptor (\r | |
974 | UsbIo,\r | |
975 | UsbIoDevice->LangID[0],\r | |
976 | (UsbIoDevice->DeviceDescriptor).StrSerialNumber,\r | |
977 | &StrSerialNumber\r | |
978 | );\r | |
979 | \r | |
980 | if (StrManufacturer) {\r | |
981 | gBS->FreePool (StrManufacturer);\r | |
982 | }\r | |
983 | \r | |
984 | if (StrProduct) {\r | |
985 | gBS->FreePool (StrProduct);\r | |
986 | }\r | |
987 | \r | |
988 | if (StrSerialNumber) {\r | |
989 | gBS->FreePool (StrSerialNumber);\r | |
990 | }\r | |
991 | }\r | |
992 | //\r | |
993 | // Create USB_IO_CONTROLLER_DEVICE for\r | |
994 | // each detected interface\r | |
995 | //\r | |
996 | FirstController->CurrentConfigValue =\r | |
997 | UsbIoDevice->ActiveConfig->CongfigDescriptor.ConfigurationValue;\r | |
998 | \r | |
999 | NumOfInterface =\r | |
1000 | UsbIoDevice->ActiveConfig->CongfigDescriptor.NumInterfaces;\r | |
1001 | UsbIoDevice->NumOfControllers = NumOfInterface;\r | |
1002 | \r | |
1003 | Result = InitUsbIoController (FirstController);\r | |
1004 | if (EFI_ERROR (Result)) {\r | |
1005 | ReportUsbStatusCode (\r | |
1006 | UsbBusDev,\r | |
1007 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1008 | EFI_IO_BUS_USB | EFI_IOB_EC_INTERFACE_ERROR\r | |
1009 | );\r | |
1010 | gBS->FreePool (FirstController);\r | |
1011 | UsbIoDevice->UsbController[0] = NULL;\r | |
1012 | return EFI_DEVICE_ERROR;\r | |
1013 | }\r | |
1014 | \r | |
1015 | for (Index = 1; Index < NumOfInterface; Index++) {\r | |
1016 | UsbIoController = CreateUsbIoControllerDevice ();\r | |
1017 | UsbIoController->UsbDevice = UsbIoDevice;\r | |
1018 | UsbIoController->CurrentConfigValue =\r | |
1019 | UsbIoDevice->ActiveConfig->CongfigDescriptor.ConfigurationValue;\r | |
1020 | UsbIoController->InterfaceNumber = Index;\r | |
1021 | UsbIoDevice->UsbController[Index] = UsbIoController;\r | |
1022 | UsbIoController->ParentPort = ParentPort;\r | |
1023 | UsbIoController->Parent = ParentHubController;\r | |
1024 | UsbIoController->HostController = HostController;\r | |
1025 | \r | |
1026 | //\r | |
1027 | // First copy the USB_IO Protocol instance\r | |
1028 | //\r | |
1029 | CopyMem (\r | |
1030 | &UsbIoController->UsbIo,\r | |
1031 | UsbIo,\r | |
1032 | sizeof (EFI_USB_IO_PROTOCOL)\r | |
1033 | );\r | |
1034 | \r | |
1035 | Result = InitUsbIoController (UsbIoController);\r | |
1036 | if (EFI_ERROR (Result)) {\r | |
1037 | ReportUsbStatusCode (\r | |
1038 | UsbBusDev,\r | |
1039 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1040 | EFI_IO_BUS_USB | EFI_IOB_EC_INTERFACE_ERROR\r | |
1041 | );\r | |
1042 | gBS->FreePool (UsbIoController);\r | |
1043 | UsbIoDevice->UsbController[Index] = NULL;\r | |
1044 | }\r | |
1045 | }\r | |
1046 | \r | |
1047 | return EFI_SUCCESS;\r | |
1048 | }\r | |
1049 | //\r | |
1050 | // USB Device DeConfiguration\r | |
1051 | //\r | |
1052 | \r | |
1053 | EFI_STATUS\r | |
1054 | UsbDeviceDeConfiguration (\r | |
1055 | IN USB_IO_DEVICE *UsbIoDevice\r | |
1056 | )\r | |
1057 | /*++\r | |
1058 | \r | |
1059 | Routine Description:\r | |
1060 | Remove Device, Device Handles, Uninstall Protocols.\r | |
1061 | \r | |
1062 | Arguments:\r | |
1063 | UsbIoDevice - The device to be deconfigured.\r | |
1064 | \r | |
1065 | Returns: \r | |
1066 | EFI_SUCCESS\r | |
1067 | EFI_DEVICE_ERROR\r | |
1068 | \r | |
1069 | --*/\r | |
1070 | {\r | |
1071 | USB_IO_CONTROLLER_DEVICE *UsbController;\r | |
1072 | UINT8 index;\r | |
1073 | USB_IO_DEVICE *ChildDevice;\r | |
1074 | UINT8 Index;\r | |
1075 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
1076 | \r | |
1077 | DEBUG ((gUSBDebugLevel, "Enter Usb Device Deconfiguration\n"));\r | |
1078 | \r | |
1079 | //\r | |
1080 | // Double check UsbIoDevice exists\r | |
1081 | //\r | |
1082 | if (UsbIoDevice == NULL) {\r | |
1083 | return EFI_SUCCESS;\r | |
1084 | }\r | |
1085 | \r | |
1086 | for (index = 0; index < UsbIoDevice->NumOfControllers; index++) {\r | |
1087 | //\r | |
1088 | // Check if it is a hub, if so, de configuration all its\r | |
1089 | // downstream ports\r | |
1090 | //\r | |
1091 | UsbController = UsbIoDevice->UsbController[index];\r | |
1092 | \r | |
1093 | //\r | |
1094 | // Check the controller pointer\r | |
1095 | //\r | |
1096 | if (UsbController == NULL) {\r | |
1097 | continue;\r | |
1098 | }\r | |
1099 | \r | |
1100 | if (UsbController->IsUsbHub) {\r | |
1101 | \r | |
1102 | DEBUG ((gUSBDebugLevel, "Hub Deconfig, First Deconfig its downstream ports\n"));\r | |
1103 | \r | |
1104 | //\r | |
1105 | // First Remove interrupt transfer request for the status\r | |
1106 | // change port\r | |
1107 | //\r | |
1108 | UsbIo = &UsbController->UsbIo;\r | |
1109 | UsbIo->UsbAsyncInterruptTransfer (\r | |
1110 | UsbIo,\r | |
1111 | UsbController->HubEndpointAddress,\r | |
1112 | FALSE,\r | |
1113 | 0,\r | |
1114 | 0,\r | |
1115 | NULL,\r | |
1116 | NULL\r | |
1117 | );\r | |
1118 | \r | |
1119 | if (NULL != UsbController->HubNotify) {\r | |
1120 | gBS->CloseEvent (UsbController->HubNotify);\r | |
1121 | }\r | |
1122 | \r | |
1123 | for (Index = 0; Index < UsbController->DownstreamPorts; Index++) {\r | |
1124 | if (UsbController->Children[Index]) {\r | |
1125 | ChildDevice = UsbController->Children[Index];\r | |
1126 | UsbDeviceDeConfiguration (ChildDevice);\r | |
1127 | UsbController->Children[Index] = NULL;\r | |
1128 | }\r | |
1129 | }\r | |
1130 | }\r | |
1131 | //\r | |
1132 | // If the controller is managed by a device driver, we need to\r | |
1133 | // disconnect them\r | |
1134 | //\r | |
1135 | if (UsbController->IsManagedByDriver) {\r | |
1136 | gBS->DisconnectController (\r | |
1137 | UsbController->Handle,\r | |
1138 | NULL,\r | |
1139 | NULL\r | |
1140 | );\r | |
1141 | }\r | |
1142 | \r | |
1143 | //\r | |
1144 | // remove child handle reference to the USB_HC_PROTOCOL\r | |
1145 | //\r | |
1146 | gBS->CloseProtocol (\r | |
1147 | UsbController->HostController,\r | |
1148 | &gEfiUsbHcProtocolGuid,\r | |
1149 | gUsbBusDriverBinding.DriverBindingHandle,\r | |
1150 | UsbController->Handle\r | |
1151 | );\r | |
1152 | \r | |
1153 | //\r | |
1154 | // Uninstall EFI_USB_IO_PROTOCOL & DEVICE_PATH_PROTOCOL\r | |
1155 | // installed on this handle\r | |
1156 | //\r | |
1157 | gBS->UninstallMultipleProtocolInterfaces (\r | |
1158 | UsbController->Handle,\r | |
1159 | &gEfiDevicePathProtocolGuid,\r | |
1160 | UsbController->DevicePath,\r | |
1161 | &gEfiUsbIoProtocolGuid,\r | |
1162 | &UsbController->UsbIo,\r | |
1163 | NULL\r | |
1164 | );\r | |
1165 | \r | |
1166 | if (UsbController->DevicePath != NULL) {\r | |
1167 | gBS->FreePool (UsbController->DevicePath);\r | |
1168 | }\r | |
1169 | \r | |
1170 | gBS->FreePool (UsbController);\r | |
1171 | UsbIoDevice->UsbController[index] = NULL;\r | |
1172 | }\r | |
1173 | //\r | |
1174 | // Free address for later use\r | |
1175 | //\r | |
1176 | UsbFreeAddress (\r | |
1177 | UsbIoDevice->DeviceAddress,\r | |
1178 | UsbIoDevice->BusController->AddressPool\r | |
1179 | );\r | |
1180 | \r | |
1181 | //\r | |
1182 | // Free all resouces allocated for all its configurations\r | |
1183 | //\r | |
1184 | UsbDestroyAllConfiguration (UsbIoDevice);\r | |
1185 | \r | |
1186 | if (UsbIoDevice) {\r | |
1187 | gBS->FreePool (UsbIoDevice);\r | |
1188 | UsbIoDevice = NULL;\r | |
1189 | }\r | |
1190 | \r | |
1191 | return EFI_SUCCESS;\r | |
1192 | }\r | |
1193 | //\r | |
1194 | // After interrupt complete, this function will be called,\r | |
1195 | // This function need to be well-defined later\r | |
1196 | //\r | |
1197 | STATIC\r | |
1198 | EFI_STATUS\r | |
1199 | EFIAPI\r | |
1200 | OnHubInterruptComplete (\r | |
1201 | IN VOID *Data,\r | |
1202 | IN UINTN DataLength,\r | |
1203 | IN VOID *Context,\r | |
1204 | IN UINT32 Result\r | |
1205 | )\r | |
1206 | /*++\r | |
1207 | \r | |
1208 | Routine Description:\r | |
1209 | Whenever hub interrupt occurs, this routine will be called to check\r | |
1210 | which event happens.\r | |
1211 | \r | |
1212 | Arguments:\r | |
1213 | Data - Hub interrupt transfer data.\r | |
1214 | DataLength - The length of the Data.\r | |
1215 | Context - Hub Controller Device.\r | |
1216 | Result - Hub interrupt transfer status.\r | |
1217 | \r | |
1218 | Returns:\r | |
1219 | EFI_SUCCESS\r | |
1220 | EFI_DEVICE_ERROR\r | |
1221 | \r | |
1222 | --*/\r | |
1223 | {\r | |
1224 | USB_IO_CONTROLLER_DEVICE *HubController;\r | |
1225 | UINT8 Index;\r | |
1226 | UINT8 *ptr;\r | |
1227 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
1228 | UINT32 UsbResult;\r | |
1229 | BOOLEAN Disconnected;\r | |
1230 | EFI_STATUS Status;\r | |
1231 | \r | |
1232 | HubController = (USB_IO_CONTROLLER_DEVICE *) Context;\r | |
1233 | UsbIo = &HubController->UsbIo;\r | |
1234 | \r | |
1235 | //\r | |
1236 | // If something error in this interrupt transfer,\r | |
1237 | //\r | |
1238 | if (Result != EFI_USB_NOERROR) {\r | |
1239 | if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {\r | |
1240 | UsbClearEndpointHalt (\r | |
1241 | UsbIo,\r | |
1242 | HubController->HubEndpointAddress,\r | |
1243 | &UsbResult\r | |
1244 | );\r | |
1245 | }\r | |
1246 | \r | |
1247 | //\r | |
1248 | // Delete & Submit this interrupt again\r | |
1249 | //\r | |
1250 | UsbIo->UsbAsyncInterruptTransfer (\r | |
1251 | UsbIo,\r | |
1252 | HubController->HubEndpointAddress,\r | |
1253 | FALSE,\r | |
1254 | 0,\r | |
1255 | 0,\r | |
1256 | NULL,\r | |
1257 | NULL\r | |
1258 | );\r | |
1259 | \r | |
1260 | //\r | |
1261 | // try to detect if the hub itself was disconnected or not\r | |
1262 | //\r | |
1263 | Status = IsDeviceDisconnected (\r | |
1264 | HubController,\r | |
1265 | &Disconnected\r | |
1266 | );\r | |
1267 | \r | |
1268 | if (!EFI_ERROR (Status) && Disconnected == TRUE) {\r | |
1269 | DEBUG ((gUSBErrorLevel, "Hub is disconnected\n"));\r | |
1270 | return EFI_DEVICE_ERROR;\r | |
1271 | }\r | |
1272 | //\r | |
1273 | // Hub ports < 7\r | |
1274 | //\r | |
1275 | UsbIo->UsbAsyncInterruptTransfer (\r | |
1276 | UsbIo,\r | |
1277 | HubController->HubEndpointAddress,\r | |
1278 | TRUE,\r | |
1279 | 100,\r | |
1280 | 1,\r | |
1281 | OnHubInterruptComplete,\r | |
1282 | HubController\r | |
1283 | );\r | |
1284 | \r | |
1285 | return EFI_DEVICE_ERROR;\r | |
1286 | }\r | |
1287 | \r | |
1288 | if (DataLength == 0 || Data == NULL) {\r | |
1289 | return EFI_SUCCESS;\r | |
1290 | }\r | |
1291 | \r | |
1292 | //\r | |
1293 | // Scan which port has status change\r | |
1294 | // Bit 0 stands for hub itself, other bit stands for\r | |
1295 | // the corresponding port\r | |
1296 | //\r | |
1297 | for (Index = 0; Index < DataLength * 8; Index++) {\r | |
1298 | ptr = (UINT8 *) Data + Index / 8;\r | |
1299 | if ((*ptr) & (1 << (Index & 0x7))) {\r | |
1300 | HubController->StatusChangePort = Index;\r | |
1301 | break;\r | |
1302 | }\r | |
1303 | }\r | |
1304 | //\r | |
1305 | // Signal hub notify event\r | |
1306 | //\r | |
1307 | gBS->SignalEvent (HubController->HubNotify);\r | |
1308 | \r | |
1309 | return EFI_SUCCESS;\r | |
1310 | }\r | |
1311 | //\r | |
1312 | // USB Root Hub Enumerator\r | |
1313 | //\r | |
1314 | STATIC\r | |
1315 | VOID\r | |
1316 | EFIAPI\r | |
1317 | UsbEnumeration (\r | |
1318 | IN EFI_EVENT Event,\r | |
1319 | IN VOID *Context\r | |
1320 | )\r | |
1321 | /*++\r | |
1322 | \r | |
1323 | Routine Description:\r | |
1324 | This is USB enumerator\r | |
1325 | \r | |
1326 | Arguments:\r | |
1327 | Event - Indicating which event is signaled\r | |
1328 | Context - actually it is a USB_IO_DEVICE\r | |
1329 | \r | |
1330 | Returns:\r | |
1331 | EFI_SUCCESS\r | |
1332 | Others\r | |
1333 | \r | |
1334 | --*/\r | |
1335 | {\r | |
1336 | USB_IO_CONTROLLER_DEVICE *HubController;\r | |
1337 | EFI_USB_PORT_STATUS HubPortStatus;\r | |
1338 | EFI_STATUS Status;\r | |
1339 | UINT8 Index;\r | |
1340 | EFI_USB_HC_PROTOCOL *UsbHCInterface;\r | |
1341 | USB_IO_DEVICE *UsbIoDev;\r | |
1342 | USB_BUS_CONTROLLER_DEVICE *UsbBusDev;\r | |
1343 | EFI_HANDLE HostController;\r | |
1344 | USB_IO_DEVICE *OldUsbIoDevice;\r | |
1345 | USB_IO_DEVICE *NewDevice;\r | |
1346 | USB_IO_CONTROLLER_DEVICE *NewController;\r | |
1347 | UINT8 Index2;\r | |
1348 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
1349 | UINT8 StatusChangePort;\r | |
1350 | \r | |
1351 | HubController = (USB_IO_CONTROLLER_DEVICE *) Context;\r | |
1352 | HostController = HubController->HostController;\r | |
1353 | UsbBusDev = HubController->UsbDevice->BusController;\r | |
1354 | \r | |
1355 | if (HubController->UsbDevice->DeviceAddress == 1) {\r | |
1356 | //\r | |
1357 | // Root hub has the address 1\r | |
1358 | //\r | |
1359 | UsbIoDev = HubController->UsbDevice;\r | |
1360 | UsbHCInterface = UsbIoDev->BusController->UsbHCInterface;\r | |
1361 | \r | |
1362 | for (Index = 0; Index < HubController->DownstreamPorts; Index++) {\r | |
1363 | UsbHCInterface->GetRootHubPortStatus (\r | |
1364 | UsbHCInterface,\r | |
1365 | Index,\r | |
1366 | (EFI_USB_PORT_STATUS *) &HubPortStatus\r | |
1367 | );\r | |
1368 | \r | |
1369 | if (!IsPortConnectChange (HubPortStatus.PortChangeStatus)) {\r | |
1370 | continue;\r | |
1371 | }\r | |
1372 | //\r | |
1373 | // Clear root hub status change status\r | |
1374 | //\r | |
1375 | ClearRootPortConnectionChangeStatus (\r | |
1376 | Index,\r | |
1377 | UsbHCInterface\r | |
1378 | );\r | |
1379 | \r | |
1380 | gBS->Stall (100 * 1000);\r | |
1381 | \r | |
1382 | UsbHCInterface->GetRootHubPortStatus (\r | |
1383 | UsbHCInterface,\r | |
1384 | Index,\r | |
1385 | (EFI_USB_PORT_STATUS *) &HubPortStatus\r | |
1386 | );\r | |
1387 | \r | |
1388 | if (IsPortConnect (HubPortStatus.PortStatus)) {\r | |
1389 | \r | |
1390 | //\r | |
1391 | // There is something connected to this port\r | |
1392 | //\r | |
1393 | DEBUG ((gUSBDebugLevel, "Something attached from Root Hub in 0x%x\n", Index));\r | |
1394 | \r | |
1395 | ReportUsbStatusCode (\r | |
1396 | UsbBusDev,\r | |
1397 | EFI_PROGRESS_CODE,\r | |
1398 | EFI_IO_BUS_USB | EFI_IOB_PC_HOTPLUG\r | |
1399 | );\r | |
1400 | //\r | |
1401 | // if there is something physically detached, but still logically\r | |
1402 | // attached...\r | |
1403 | //\r | |
1404 | OldUsbIoDevice = HubController->Children[Index];\r | |
1405 | \r | |
1406 | if (NULL != OldUsbIoDevice) {\r | |
1407 | UsbDeviceDeConfiguration (OldUsbIoDevice);\r | |
1408 | HubController->Children[Index] = NULL;\r | |
1409 | }\r | |
1410 | \r | |
1411 | NewDevice = AllocateZeroPool (sizeof (USB_IO_DEVICE));\r | |
1412 | if (NewDevice == NULL) {\r | |
1413 | return ;\r | |
1414 | }\r | |
1415 | //\r | |
1416 | // Initialize some fields by copying data from\r | |
1417 | // its parents\r | |
1418 | //\r | |
1419 | NewDevice->IsSlowDevice = IsPortLowSpeedDeviceAttached (HubPortStatus.PortStatus);\r | |
1420 | \r | |
1421 | DEBUG ((gUSBDebugLevel, "DeviceSpeed 0x%x\n", NewDevice->IsSlowDevice));\r | |
1422 | \r | |
1423 | NewDevice->BusController = UsbIoDev->BusController;\r | |
1424 | \r | |
1425 | //\r | |
1426 | // Configure that device\r | |
1427 | //\r | |
1428 | Status = UsbDeviceConfiguration (\r | |
1429 | HubController,\r | |
1430 | HostController,\r | |
1431 | Index,\r | |
1432 | NewDevice\r | |
1433 | );\r | |
1434 | if (EFI_ERROR (Status)) {\r | |
1435 | gBS->FreePool (NewDevice);\r | |
1436 | return ;\r | |
1437 | }\r | |
1438 | //\r | |
1439 | // Add this device to the usb bus tree\r | |
1440 | //\r | |
1441 | HubController->Children[Index] = NewDevice;\r | |
1442 | \r | |
1443 | for (Index2 = 0; Index2 < NewDevice->NumOfControllers; Index2++) {\r | |
1444 | //\r | |
1445 | // If this device is hub, add to the hub index\r | |
1446 | //\r | |
1447 | NewController = NewDevice->UsbController[Index2];\r | |
1448 | \r | |
1449 | Status = gBS->ConnectController (\r | |
1450 | NewController->Handle,\r | |
1451 | NULL,\r | |
1452 | NULL,\r | |
1453 | TRUE\r | |
1454 | );\r | |
1455 | //\r | |
1456 | // If connect success, we need to disconnect when\r | |
1457 | // stop the controller, otherwise we need not call\r | |
1458 | // gBS->DisconnectController ()\r | |
1459 | // This is used by those usb devices we don't plan\r | |
1460 | // to support. We can allocate\r | |
1461 | // controller handles for them, but we don't have\r | |
1462 | // device drivers to manage them.\r | |
1463 | //\r | |
1464 | NewController->IsManagedByDriver = (BOOLEAN) (!EFI_ERROR (Status));\r | |
1465 | \r | |
1466 | if (IsHub (NewController)) {\r | |
1467 | \r | |
1468 | NewController->IsUsbHub = TRUE;\r | |
1469 | \r | |
1470 | //\r | |
1471 | // Configure Hub Controller\r | |
1472 | //\r | |
1473 | Status = DoHubConfig (NewController);\r | |
1474 | if (EFI_ERROR (Status)) {\r | |
1475 | continue;\r | |
1476 | }\r | |
1477 | //\r | |
1478 | // Create an event to do hub enumeration\r | |
1479 | //\r | |
1480 | gBS->CreateEvent (\r | |
1481 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
1482 | EFI_TPL_CALLBACK,\r | |
1483 | UsbEnumeration,\r | |
1484 | NewController,\r | |
1485 | &NewController->HubNotify\r | |
1486 | );\r | |
1487 | \r | |
1488 | //\r | |
1489 | // Add request to do query hub status\r | |
1490 | // change endpoint\r | |
1491 | // Hub ports < 7\r | |
1492 | //\r | |
1493 | UsbIo = &NewController->UsbIo;\r | |
1494 | UsbIo->UsbAsyncInterruptTransfer (\r | |
1495 | UsbIo,\r | |
1496 | NewController->HubEndpointAddress,\r | |
1497 | TRUE,\r | |
1498 | 100,\r | |
1499 | 1,\r | |
1500 | OnHubInterruptComplete,\r | |
1501 | NewController\r | |
1502 | );\r | |
1503 | \r | |
1504 | }\r | |
1505 | }\r | |
1506 | } else {\r | |
1507 | //\r | |
1508 | // Something disconnected from USB root hub\r | |
1509 | //\r | |
1510 | DEBUG ((gUSBDebugLevel, "Something deteached from Root Hub\n"));\r | |
1511 | \r | |
1512 | OldUsbIoDevice = HubController->Children[Index];\r | |
1513 | \r | |
1514 | UsbDeviceDeConfiguration (OldUsbIoDevice);\r | |
1515 | \r | |
1516 | HubController->Children[Index] = NULL;\r | |
1517 | \r | |
1518 | UsbHCInterface->ClearRootHubPortFeature (\r | |
1519 | UsbHCInterface,\r | |
1520 | Index,\r | |
1521 | EfiUsbPortEnableChange\r | |
1522 | );\r | |
1523 | \r | |
1524 | UsbHCInterface->GetRootHubPortStatus (\r | |
1525 | UsbHCInterface,\r | |
1526 | Index,\r | |
1527 | (EFI_USB_PORT_STATUS *) &HubPortStatus\r | |
1528 | );\r | |
1529 | \r | |
1530 | }\r | |
1531 | }\r | |
1532 | \r | |
1533 | return ;\r | |
1534 | } else {\r | |
1535 | //\r | |
1536 | // Event from Hub, Get the hub controller handle\r | |
1537 | //\r | |
1538 | //\r | |
1539 | // Get the status change endpoint\r | |
1540 | //\r | |
1541 | StatusChangePort = HubController->StatusChangePort;\r | |
1542 | \r | |
1543 | //\r | |
1544 | // Clear HubController Status Change Bit\r | |
1545 | //\r | |
1546 | HubController->StatusChangePort = 0;\r | |
1547 | \r | |
1548 | if (StatusChangePort == 0) {\r | |
1549 | //\r | |
1550 | // Hub changes, we don't handle here\r | |
1551 | //\r | |
1552 | return ;\r | |
1553 | }\r | |
1554 | //\r | |
1555 | // Check which event took place at that port\r | |
1556 | //\r | |
1557 | UsbIo = &HubController->UsbIo;\r | |
1558 | Status = HubGetPortStatus (\r | |
1559 | UsbIo,\r | |
1560 | StatusChangePort,\r | |
1561 | (UINT32 *) &HubPortStatus\r | |
1562 | );\r | |
1563 | \r | |
1564 | if (EFI_ERROR (Status)) {\r | |
1565 | return ;\r | |
1566 | }\r | |
1567 | //\r | |
1568 | // Clear some change status\r | |
1569 | //\r | |
1570 | if (HubPortStatus.PortChangeStatus & USB_PORT_STAT_C_ENABLE) {\r | |
1571 | //\r | |
1572 | // Clear Hub port enable change\r | |
1573 | //\r | |
1574 | DEBUG ((gUSBDebugLevel, "Port Enable Change\n"));\r | |
1575 | HubClearPortFeature (\r | |
1576 | UsbIo,\r | |
1577 | StatusChangePort,\r | |
1578 | EfiUsbPortEnableChange\r | |
1579 | );\r | |
1580 | \r | |
1581 | HubGetPortStatus (\r | |
1582 | UsbIo,\r | |
1583 | StatusChangePort,\r | |
1584 | (UINT32 *) &HubPortStatus\r | |
1585 | );\r | |
1586 | }\r | |
1587 | \r | |
1588 | if (HubPortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) {\r | |
1589 | //\r | |
1590 | // Clear Hub reset change\r | |
1591 | //\r | |
1592 | DEBUG ((gUSBDebugLevel, "Port Reset Change\n"));\r | |
1593 | HubClearPortFeature (\r | |
1594 | UsbIo,\r | |
1595 | StatusChangePort,\r | |
1596 | EfiUsbPortResetChange\r | |
1597 | );\r | |
1598 | \r | |
1599 | HubGetPortStatus (\r | |
1600 | UsbIo,\r | |
1601 | StatusChangePort,\r | |
1602 | (UINT32 *) &HubPortStatus\r | |
1603 | );\r | |
1604 | }\r | |
1605 | \r | |
1606 | if (HubPortStatus.PortChangeStatus & USB_PORT_STAT_C_OVERCURRENT) {\r | |
1607 | //\r | |
1608 | // Clear Hub overcurrent change\r | |
1609 | //\r | |
1610 | DEBUG ((gUSBDebugLevel, "Port Overcurrent Change\n"));\r | |
1611 | HubClearPortFeature (\r | |
1612 | UsbIo,\r | |
1613 | StatusChangePort,\r | |
1614 | EfiUsbPortOverCurrentChange\r | |
1615 | );\r | |
1616 | \r | |
1617 | HubGetPortStatus (\r | |
1618 | UsbIo,\r | |
1619 | StatusChangePort,\r | |
1620 | (UINT32 *) &HubPortStatus\r | |
1621 | );\r | |
1622 | }\r | |
1623 | \r | |
1624 | if (IsPortConnectChange (HubPortStatus.PortChangeStatus)) {\r | |
1625 | //\r | |
1626 | // First clear port connection change\r | |
1627 | //\r | |
1628 | DEBUG ((gUSBDebugLevel, "Port Connection Change\n"));\r | |
1629 | HubClearPortFeature (\r | |
1630 | UsbIo,\r | |
1631 | StatusChangePort,\r | |
1632 | EfiUsbPortConnectChange\r | |
1633 | );\r | |
1634 | \r | |
1635 | HubGetPortStatus (\r | |
1636 | UsbIo,\r | |
1637 | StatusChangePort,\r | |
1638 | (UINT32 *) &HubPortStatus\r | |
1639 | );\r | |
1640 | \r | |
1641 | if (IsPortConnect (HubPortStatus.PortStatus)) {\r | |
1642 | \r | |
1643 | DEBUG ((gUSBDebugLevel, "New Device Connect on Hub port \n"));\r | |
1644 | \r | |
1645 | ReportUsbStatusCode (\r | |
1646 | UsbBusDev,\r | |
1647 | EFI_PROGRESS_CODE,\r | |
1648 | EFI_IO_BUS_USB | EFI_IOB_PC_HOTPLUG\r | |
1649 | );\r | |
1650 | \r | |
1651 | //\r | |
1652 | // if there is something physically detached, but still logically\r | |
1653 | // attached...\r | |
1654 | //\r | |
1655 | OldUsbIoDevice = HubController->Children[StatusChangePort - 1];\r | |
1656 | \r | |
1657 | if (NULL != OldUsbIoDevice) {\r | |
1658 | UsbDeviceDeConfiguration (OldUsbIoDevice);\r | |
1659 | HubController->Children[StatusChangePort - 1] = NULL;\r | |
1660 | }\r | |
1661 | \r | |
1662 | NewDevice = AllocateZeroPool (sizeof (USB_IO_DEVICE));\r | |
1663 | if (NewDevice == NULL) {\r | |
1664 | return ;\r | |
1665 | }\r | |
1666 | \r | |
1667 | ResetHubPort (HubController, StatusChangePort);\r | |
1668 | \r | |
1669 | HubGetPortStatus (\r | |
1670 | UsbIo,\r | |
1671 | StatusChangePort,\r | |
1672 | (UINT32 *) &HubPortStatus\r | |
1673 | );\r | |
1674 | \r | |
1675 | //\r | |
1676 | // Initialize some fields\r | |
1677 | //\r | |
1678 | NewDevice->IsSlowDevice = IsPortLowSpeedDeviceAttached (HubPortStatus.PortStatus);\r | |
1679 | \r | |
1680 | NewDevice->BusController = HubController->UsbDevice->BusController;\r | |
1681 | \r | |
1682 | //\r | |
1683 | // Configure that device\r | |
1684 | //\r | |
1685 | Status = UsbDeviceConfiguration (\r | |
1686 | HubController,\r | |
1687 | HostController,\r | |
1688 | (UINT8) (StatusChangePort - 1),\r | |
1689 | NewDevice\r | |
1690 | );\r | |
1691 | \r | |
1692 | if (EFI_ERROR (Status)) {\r | |
1693 | gBS->FreePool (NewDevice);\r | |
1694 | return ;\r | |
1695 | }\r | |
1696 | //\r | |
1697 | // Add this device to the usb bus tree\r | |
1698 | // StatusChangePort is begin from 1,\r | |
1699 | //\r | |
1700 | HubController->Children[StatusChangePort - 1] = NewDevice;\r | |
1701 | \r | |
1702 | for (Index2 = 0; Index2 < NewDevice->NumOfControllers; Index2++) {\r | |
1703 | //\r | |
1704 | // If this device is hub, add to the hub index\r | |
1705 | //\r | |
1706 | NewController = NewDevice->UsbController[Index2];\r | |
1707 | \r | |
1708 | //\r | |
1709 | // Connect the controller to the driver image\r | |
1710 | //\r | |
1711 | Status = gBS->ConnectController (\r | |
1712 | NewController->Handle,\r | |
1713 | NULL,\r | |
1714 | NULL,\r | |
1715 | TRUE\r | |
1716 | );\r | |
1717 | //\r | |
1718 | // If connect success, we need to disconnect when\r | |
1719 | // stop the controller, otherwise we need not call\r | |
1720 | // gBS->DisconnectController ()\r | |
1721 | // This is used by those usb devices we don't plan\r | |
1722 | // to support. We can allocate\r | |
1723 | // controller handles for them, but we don't have\r | |
1724 | // device drivers to manage them.\r | |
1725 | //\r | |
1726 | NewController->IsManagedByDriver = (BOOLEAN) (!EFI_ERROR (Status));\r | |
1727 | \r | |
1728 | //\r | |
1729 | // If this device is hub, add to the hub index\r | |
1730 | //\r | |
1731 | if (IsHub (NewController)) {\r | |
1732 | \r | |
1733 | NewController->IsUsbHub = TRUE;\r | |
1734 | \r | |
1735 | //\r | |
1736 | // Configure Hub\r | |
1737 | //\r | |
1738 | Status = DoHubConfig (NewController);\r | |
1739 | \r | |
1740 | if (EFI_ERROR (Status)) {\r | |
1741 | continue;\r | |
1742 | }\r | |
1743 | //\r | |
1744 | // Create an event to do hub enumeration\r | |
1745 | //\r | |
1746 | gBS->CreateEvent (\r | |
1747 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
1748 | EFI_TPL_CALLBACK,\r | |
1749 | UsbEnumeration,\r | |
1750 | NewController,\r | |
1751 | &NewController->HubNotify\r | |
1752 | );\r | |
1753 | \r | |
1754 | //\r | |
1755 | // Add request to do query hub status\r | |
1756 | // change endpoint\r | |
1757 | //\r | |
1758 | UsbIo = &NewController->UsbIo;\r | |
1759 | UsbIo->UsbAsyncInterruptTransfer (\r | |
1760 | UsbIo,\r | |
1761 | NewController->HubEndpointAddress, // Hub endpoint address\r | |
1762 | TRUE,\r | |
1763 | 100,\r | |
1764 | 1, // Hub ports < 7\r | |
1765 | OnHubInterruptComplete,\r | |
1766 | NewController\r | |
1767 | );\r | |
1768 | }\r | |
1769 | }\r | |
1770 | } else {\r | |
1771 | //\r | |
1772 | // Something disconnected from USB hub\r | |
1773 | //\r | |
1774 | DEBUG ((gUSBDebugLevel, "Something Device Detached on Hub port\n"));\r | |
1775 | \r | |
1776 | OldUsbIoDevice = HubController->Children[StatusChangePort - 1];\r | |
1777 | \r | |
1778 | UsbDeviceDeConfiguration (OldUsbIoDevice);\r | |
1779 | \r | |
1780 | HubController->Children[StatusChangePort - 1] = NULL;\r | |
1781 | \r | |
1782 | }\r | |
1783 | \r | |
1784 | return ;\r | |
1785 | }\r | |
1786 | \r | |
1787 | return ;\r | |
1788 | }\r | |
1789 | }\r | |
1790 | //\r | |
1791 | // Clear port connection change status over a given root hub port\r | |
1792 | //\r | |
1793 | EFI_STATUS\r | |
1794 | ClearRootPortConnectionChangeStatus (\r | |
1795 | UINT8 PortNum,\r | |
1796 | EFI_USB_HC_PROTOCOL *UsbHCInterface\r | |
1797 | )\r | |
1798 | /*++\r | |
1799 | \r | |
1800 | Routine Description:\r | |
1801 | Clear port connection change status over a given root hub port\r | |
1802 | \r | |
1803 | Arguments:\r | |
1804 | PortNum - The given port.\r | |
1805 | UsbHCInterface - The EFI_USB_HC_PROTOCOL instance.\r | |
1806 | \r | |
1807 | Returns:\r | |
1808 | EFI_SUCCESS\r | |
1809 | \r | |
1810 | --*/\r | |
1811 | {\r | |
1812 | EFI_STATUS Status;\r | |
1813 | Status = UsbHCInterface->ClearRootHubPortFeature (\r | |
1814 | UsbHCInterface,\r | |
1815 | PortNum,\r | |
1816 | EfiUsbPortConnectChange\r | |
1817 | );\r | |
1818 | return Status;\r | |
1819 | }\r | |
1820 | \r | |
1821 | STATIC\r | |
1822 | USB_IO_CONTROLLER_DEVICE *\r | |
1823 | CreateUsbIoControllerDevice (\r | |
1824 | VOID\r | |
1825 | )\r | |
1826 | /*++\r | |
1827 | \r | |
1828 | Routine Description:\r | |
1829 | Allocate a structure for USB_IO_CONTROLLER_DEVICE\r | |
1830 | \r | |
1831 | Arguments:\r | |
1832 | N/A\r | |
1833 | \r | |
1834 | Returns:\r | |
1835 | A pointer to a USB_IO_CONTROLLER_DEVICE structure,\r | |
1836 | Or NULL.\r | |
1837 | \r | |
1838 | --*/\r | |
1839 | {\r | |
1840 | USB_IO_CONTROLLER_DEVICE *UsbIoControllerDev;\r | |
1841 | \r | |
1842 | //\r | |
1843 | // Allocate USB_IO_CONTROLLER_DEVICE structure\r | |
1844 | //\r | |
1845 | UsbIoControllerDev = NULL;\r | |
1846 | UsbIoControllerDev = AllocateZeroPool (sizeof (USB_IO_CONTROLLER_DEVICE));\r | |
1847 | \r | |
1848 | if (UsbIoControllerDev == NULL) {\r | |
1849 | return NULL;\r | |
1850 | }\r | |
1851 | \r | |
1852 | UsbIoControllerDev->Signature = USB_IO_CONTROLLER_SIGNATURE;\r | |
1853 | \r | |
1854 | return UsbIoControllerDev;\r | |
1855 | }\r | |
1856 | \r | |
1857 | STATIC\r | |
1858 | EFI_STATUS\r | |
1859 | InitUsbIoController (\r | |
1860 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController\r | |
1861 | )\r | |
1862 | /*++\r | |
1863 | \r | |
1864 | Routine Description:\r | |
1865 | Init and install EFI_USB_IO_PROTOCOL onto that controller.\r | |
1866 | \r | |
1867 | Arguments:\r | |
1868 | UsbIoController - The Controller to be operated.\r | |
1869 | \r | |
1870 | Returns:\r | |
1871 | EFI_SUCCESS\r | |
1872 | Others\r | |
1873 | \r | |
1874 | --*/\r | |
1875 | {\r | |
1876 | USB_DEVICE_PATH UsbNode;\r | |
1877 | EFI_STATUS Status;\r | |
1878 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
1879 | EFI_USB_HC_PROTOCOL *UsbHcProtocol;\r | |
1880 | \r | |
1881 | //\r | |
1882 | // Build the child device path for each new USB_IO device\r | |
1883 | //\r | |
1884 | ZeroMem (&UsbNode, sizeof (UsbNode));\r | |
1885 | UsbNode.Header.Type = MESSAGING_DEVICE_PATH;\r | |
1886 | UsbNode.Header.SubType = MSG_USB_DP;\r | |
1887 | SetDevicePathNodeLength (&UsbNode.Header, sizeof (UsbNode));\r | |
1888 | UsbNode.InterfaceNumber = UsbIoController->InterfaceNumber;\r | |
1889 | UsbNode.ParentPortNumber = UsbIoController->ParentPort;\r | |
1890 | ParentDevicePath = UsbIoController->Parent->DevicePath;\r | |
1891 | \r | |
1892 | UsbIoController->DevicePath =\r | |
1893 | AppendDevicePathNode (ParentDevicePath, &UsbNode.Header);\r | |
1894 | if (UsbIoController->DevicePath == NULL) {\r | |
1895 | return EFI_OUT_OF_RESOURCES;\r | |
1896 | }\r | |
1897 | \r | |
1898 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
1899 | &UsbIoController->Handle,\r | |
1900 | &gEfiDevicePathProtocolGuid,\r | |
1901 | UsbIoController->DevicePath,\r | |
1902 | &gEfiUsbIoProtocolGuid,\r | |
1903 | &UsbIoController->UsbIo,\r | |
1904 | NULL\r | |
1905 | );\r | |
1906 | \r | |
1907 | if (EFI_ERROR (Status)) {\r | |
1908 | return Status;\r | |
1909 | }\r | |
1910 | \r | |
1911 | Status = gBS->OpenProtocol (\r | |
1912 | UsbIoController->HostController,\r | |
1913 | &gEfiUsbHcProtocolGuid,\r | |
1914 | (VOID **) &UsbHcProtocol,\r | |
1915 | gUsbBusDriverBinding.DriverBindingHandle,\r | |
1916 | UsbIoController->Handle,\r | |
1917 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1918 | );\r | |
1919 | \r | |
1920 | return Status;\r | |
1921 | }\r | |
1922 | \r | |
1923 | STATIC\r | |
1924 | EFI_STATUS\r | |
1925 | ParentPortReset (\r | |
1926 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController,\r | |
1927 | IN BOOLEAN ReConfigure,\r | |
1928 | IN UINT8 RetryTimes\r | |
1929 | )\r | |
1930 | /*++\r | |
1931 | \r | |
1932 | Routine Description:\r | |
1933 | Reset parent hub port to which this device is connected.\r | |
1934 | \r | |
1935 | Arguments:\r | |
1936 | UsbIoController - Indicating the Usb Controller Device.\r | |
1937 | Reconfigure - Do we need to reconfigure it.\r | |
1938 | RetryTimes - Retry Times when failed\r | |
1939 | Returns:\r | |
1940 | EFI_SUCCESS\r | |
1941 | EFI_DEVICE_ERROR\r | |
1942 | \r | |
1943 | --*/\r | |
1944 | {\r | |
1945 | USB_IO_DEVICE *ParentIoDev;\r | |
1946 | USB_IO_DEVICE *UsbIoDev;\r | |
1947 | USB_IO_CONTROLLER_DEVICE *ParentController;\r | |
1948 | UINT8 HubPort;\r | |
1949 | UINT32 Status;\r | |
1950 | EFI_STATUS Result;\r | |
1951 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
1952 | UINT8 Address;\r | |
1953 | \r | |
1954 | ParentController = UsbIoController->Parent;\r | |
1955 | ParentIoDev = ParentController->UsbDevice;\r | |
1956 | UsbIoDev = UsbIoController->UsbDevice;\r | |
1957 | HubPort = UsbIoController->ParentPort;\r | |
1958 | \r | |
1959 | gBS->Stall (100 * 1000);\r | |
1960 | \r | |
1961 | if (ParentIoDev->DeviceAddress == 1) {\r | |
1962 | DEBUG ((gUSBDebugLevel, "Reset from Root Hub 0x%x\n", HubPort));\r | |
1963 | ResetRootPort (ParentIoDev->BusController->UsbHCInterface, HubPort, RetryTimes);\r | |
1964 | } else {\r | |
1965 | DEBUG ((gUSBDebugLevel, "Reset from Hub, Addr 0x%x\n", ParentIoDev->DeviceAddress));\r | |
1966 | ResetHubPort (ParentController, HubPort + 1);\r | |
1967 | }\r | |
1968 | //\r | |
1969 | // If we only need port reset, just return\r | |
1970 | //\r | |
1971 | if (!ReConfigure) {\r | |
1972 | return EFI_SUCCESS;\r | |
1973 | }\r | |
1974 | //\r | |
1975 | // Re-config that USB device\r | |
1976 | //\r | |
1977 | UsbIo = &UsbIoController->UsbIo;\r | |
1978 | \r | |
1979 | //\r | |
1980 | // Assign a unique address to this device\r | |
1981 | //\r | |
1982 | Address = UsbIoDev->DeviceAddress;\r | |
1983 | UsbIoDev->DeviceAddress = 0;\r | |
1984 | \r | |
1985 | Result = UsbSetDeviceAddress (UsbIo, Address, &Status);\r | |
1986 | UsbIoDev->DeviceAddress = Address;\r | |
1987 | \r | |
1988 | if (EFI_ERROR (Result)) {\r | |
1989 | return EFI_DEVICE_ERROR;\r | |
1990 | }\r | |
1991 | //\r | |
1992 | // Set the device to the default configuration\r | |
1993 | //\r | |
1994 | Result = UsbSetDefaultConfiguration (UsbIoDev);\r | |
1995 | if (EFI_ERROR (Result)) {\r | |
1996 | return EFI_DEVICE_ERROR;\r | |
1997 | }\r | |
1998 | \r | |
1999 | return EFI_SUCCESS;\r | |
2000 | }\r | |
2001 | \r | |
2002 | EFI_STATUS\r | |
2003 | EFIAPI\r | |
2004 | UsbPortReset (\r | |
2005 | IN EFI_USB_IO_PROTOCOL *This\r | |
2006 | )\r | |
2007 | /*++\r | |
2008 | \r | |
2009 | Routine Description:\r | |
2010 | Resets and reconfigures the USB controller. This function will\r | |
2011 | work for all USB devices except USB Hub Controllers.\r | |
2012 | \r | |
2013 | Arguments:\r | |
2014 | This - Indicates the calling context.\r | |
2015 | \r | |
2016 | Returns:\r | |
2017 | EFI_SUCCESS\r | |
2018 | EFI_INVALID_PARAMETER\r | |
2019 | EFI_DEVICE_ERROR\r | |
2020 | \r | |
2021 | --*/\r | |
2022 | {\r | |
2023 | USB_IO_CONTROLLER_DEVICE *UsbIoController;\r | |
2024 | EFI_STATUS Status;\r | |
2025 | \r | |
2026 | UsbIoController = USB_IO_CONTROLLER_DEVICE_FROM_USB_IO_THIS (This);\r | |
2027 | \r | |
2028 | //\r | |
2029 | // Since at this time, this device has already been configured,\r | |
2030 | // it needs to be re-configured.\r | |
2031 | //\r | |
2032 | Status = ParentPortReset (UsbIoController, TRUE, 0);\r | |
2033 | \r | |
2034 | return Status;\r | |
2035 | }\r | |
2036 | \r | |
2037 | EFI_STATUS\r | |
2038 | ResetRootPort (\r | |
2039 | IN EFI_USB_HC_PROTOCOL *UsbHCInterface,\r | |
2040 | IN UINT8 PortNum,\r | |
2041 | IN UINT8 RetryTimes\r | |
2042 | )\r | |
2043 | /*++\r | |
2044 | \r | |
2045 | Routine Description:\r | |
2046 | Reset Root Hub port.\r | |
2047 | \r | |
2048 | Arguments:\r | |
2049 | UsbHCInterface - The EFI_USB_HC_PROTOCOL instance.\r | |
2050 | PortNum - The given port to be reset.\r | |
2051 | RetryTimes - RetryTimes when failed\r | |
2052 | Returns:\r | |
2053 | N/A\r | |
2054 | \r | |
2055 | --*/\r | |
2056 | {\r | |
2057 | EFI_STATUS Status;\r | |
2058 | \r | |
2059 | //\r | |
2060 | // reset root port\r | |
2061 | //\r | |
2062 | Status = UsbHCInterface->SetRootHubPortFeature (\r | |
2063 | UsbHCInterface,\r | |
2064 | PortNum,\r | |
2065 | EfiUsbPortReset\r | |
2066 | );\r | |
2067 | \r | |
2068 | if (EFI_ERROR (Status)) {\r | |
2069 | return EFI_DEVICE_ERROR;\r | |
2070 | }\r | |
2071 | \r | |
2072 | gBS->Stall (50 * 1000);\r | |
2073 | \r | |
2074 | //\r | |
2075 | // clear reset root port\r | |
2076 | //\r | |
2077 | Status = UsbHCInterface->ClearRootHubPortFeature (\r | |
2078 | UsbHCInterface,\r | |
2079 | PortNum,\r | |
2080 | EfiUsbPortReset\r | |
2081 | );\r | |
2082 | \r | |
2083 | if (EFI_ERROR (Status)) {\r | |
2084 | return EFI_DEVICE_ERROR;\r | |
2085 | }\r | |
2086 | \r | |
2087 | gBS->Stall (1000);\r | |
2088 | \r | |
2089 | Status = ClearRootPortConnectionChangeStatus (PortNum, UsbHCInterface);\r | |
2090 | \r | |
2091 | if (EFI_ERROR (Status)) {\r | |
2092 | return EFI_DEVICE_ERROR;\r | |
2093 | }\r | |
2094 | //\r | |
2095 | // Set port enable\r | |
2096 | //\r | |
2097 | Status = UsbHCInterface->SetRootHubPortFeature (\r | |
2098 | UsbHCInterface,\r | |
2099 | PortNum,\r | |
2100 | EfiUsbPortEnable\r | |
2101 | );\r | |
2102 | if (EFI_ERROR (Status)) {\r | |
2103 | return EFI_DEVICE_ERROR;\r | |
2104 | }\r | |
2105 | \r | |
2106 | Status = UsbHCInterface->ClearRootHubPortFeature (\r | |
2107 | UsbHCInterface,\r | |
2108 | PortNum,\r | |
2109 | EfiUsbPortEnableChange\r | |
2110 | );\r | |
2111 | gBS->Stall ((1 + RetryTimes) * 50 * 1000);\r | |
2112 | \r | |
2113 | return EFI_SUCCESS;\r | |
2114 | }\r | |
2115 | \r | |
2116 | \r | |
2117 | EFI_STATUS\r | |
2118 | ResetHubPort (\r | |
2119 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController,\r | |
2120 | IN UINT8 PortIndex\r | |
2121 | )\r | |
2122 | /*++\r | |
2123 | \r | |
2124 | Routine Description:\r | |
2125 | Reset Hub port.\r | |
2126 | \r | |
2127 | Arguments:\r | |
2128 | UsbIoController - The USB_IO_CONTROLLER_DEVICE instance.\r | |
2129 | PortIndex - The given port to be reset.\r | |
2130 | \r | |
2131 | Returns:\r | |
2132 | EFI_SUCCESS\r | |
2133 | EFI_DEVICE_ERROR\r | |
2134 | \r | |
2135 | --*/\r | |
2136 | {\r | |
2137 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
2138 | EFI_USB_PORT_STATUS HubPortStatus;\r | |
2139 | UINT8 Number;\r | |
2140 | \r | |
2141 | ASSERT (UsbIoController->IsUsbHub == TRUE);\r | |
2142 | \r | |
2143 | UsbIo = &UsbIoController->UsbIo;\r | |
2144 | \r | |
2145 | HubSetPortFeature (\r | |
2146 | UsbIo,\r | |
2147 | PortIndex,\r | |
2148 | EfiUsbPortReset\r | |
2149 | );\r | |
2150 | \r | |
2151 | gBS->Stall (10 * 1000);\r | |
2152 | \r | |
2153 | //\r | |
2154 | // Wait for port reset complete\r | |
2155 | //\r | |
2156 | Number = 10;\r | |
2157 | do {\r | |
2158 | HubGetPortStatus (\r | |
2159 | UsbIo,\r | |
2160 | PortIndex,\r | |
2161 | (UINT32 *) &HubPortStatus\r | |
2162 | );\r | |
2163 | gBS->Stall (10 * 100);\r | |
2164 | Number -= 1;\r | |
2165 | } while ((HubPortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) == 0 && Number > 0);\r | |
2166 | \r | |
2167 | if (Number == 0) {\r | |
2168 | //\r | |
2169 | // Cannot reset port, return error\r | |
2170 | //\r | |
2171 | return EFI_DEVICE_ERROR;\r | |
2172 | }\r | |
2173 | \r | |
2174 | gBS->Stall (1000);\r | |
2175 | \r | |
2176 | HubGetPortStatus (\r | |
2177 | UsbIo,\r | |
2178 | PortIndex,\r | |
2179 | (UINT32 *) &HubPortStatus\r | |
2180 | );\r | |
2181 | //\r | |
2182 | // reset port will cause some bits change, clear them\r | |
2183 | //\r | |
2184 | if (HubPortStatus.PortChangeStatus & USB_PORT_STAT_C_ENABLE) {\r | |
2185 | DEBUG ((gUSBDebugLevel, "Port Enable Change\n"));\r | |
2186 | HubClearPortFeature (\r | |
2187 | UsbIo,\r | |
2188 | PortIndex,\r | |
2189 | EfiUsbPortEnableChange\r | |
2190 | );\r | |
2191 | }\r | |
2192 | \r | |
2193 | if (HubPortStatus.PortChangeStatus & USB_PORT_STAT_C_RESET) {\r | |
2194 | DEBUG ((gUSBDebugLevel, "Port Reset Change\n"));\r | |
2195 | HubClearPortFeature (\r | |
2196 | UsbIo,\r | |
2197 | PortIndex,\r | |
2198 | EfiUsbPortResetChange\r | |
2199 | );\r | |
2200 | }\r | |
2201 | \r | |
2202 | return EFI_SUCCESS;\r | |
2203 | }\r | |
2204 | \r | |
2205 | \r | |
2206 | \r | |
2207 | \r | |
2208 | \r | |
2209 | STATIC\r | |
2210 | EFI_STATUS\r | |
2211 | ReportUsbStatusCode (\r | |
2212 | IN USB_BUS_CONTROLLER_DEVICE *UsbBusController,\r | |
2213 | IN EFI_STATUS_CODE_TYPE Type,\r | |
2214 | IN EFI_STATUS_CODE_VALUE Code\r | |
2215 | )\r | |
2216 | /*++\r | |
2217 | \r | |
2218 | Routine Description:\r | |
2219 | \r | |
2220 | report a error Status code of USB bus driver controller\r | |
2221 | \r | |
2222 | Arguments:\r | |
2223 | UsbBusController - USB_BUS_CONTROLLER_DEVICE\r | |
2224 | Type - EFI_STATUS_CODE_TYPE\r | |
2225 | Code - EFI_STATUS_CODE_VALUE\r | |
2226 | Returns:\r | |
2227 | \r | |
2228 | None\r | |
2229 | \r | |
2230 | --*/\r | |
2231 | {\r | |
2232 | return REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
2233 | Type,\r | |
2234 | Code,\r | |
2235 | UsbBusController->DevicePath\r | |
2236 | );\r | |
2237 | }\r | |
2238 | \r | |
2239 | \r | |
2240 | EFI_STATUS\r | |
2241 | IsDeviceDisconnected (\r | |
2242 | IN USB_IO_CONTROLLER_DEVICE *UsbIoController,\r | |
2243 | IN OUT BOOLEAN *Disconnected\r | |
2244 | )\r | |
2245 | /*++\r | |
2246 | \r | |
2247 | Routine Description:\r | |
2248 | Reset if the device is disconencted or not\r | |
2249 | \r | |
2250 | Arguments:\r | |
2251 | UsbIoController - Indicating the Usb Controller Device.\r | |
2252 | Disconnected - Indicate whether the device is disconencted or not\r | |
2253 | \r | |
2254 | Returns:\r | |
2255 | EFI_SUCCESS\r | |
2256 | EFI_DEVICE_ERROR\r | |
2257 | \r | |
2258 | --*/\r | |
2259 | {\r | |
2260 | USB_IO_DEVICE *ParentIoDev;\r | |
2261 | USB_IO_DEVICE *UsbIoDev;\r | |
2262 | USB_IO_CONTROLLER_DEVICE *ParentController;\r | |
2263 | UINT8 HubPort;\r | |
2264 | EFI_STATUS Status;\r | |
2265 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
2266 | EFI_USB_PORT_STATUS PortStatus;\r | |
2267 | EFI_USB_HC_PROTOCOL *UsbHCInterface;\r | |
2268 | \r | |
2269 | ParentController = UsbIoController->Parent;\r | |
2270 | ParentIoDev = ParentController->UsbDevice;\r | |
2271 | UsbIoDev = UsbIoController->UsbDevice;\r | |
2272 | HubPort = UsbIoController->ParentPort;\r | |
2273 | \r | |
2274 | if (ParentIoDev->DeviceAddress == 1) {\r | |
2275 | //\r | |
2276 | // Connected to the root hub\r | |
2277 | //\r | |
2278 | UsbHCInterface = ParentIoDev->BusController->UsbHCInterface;\r | |
2279 | Status = UsbHCInterface->GetRootHubPortStatus (\r | |
2280 | UsbHCInterface,\r | |
2281 | HubPort,\r | |
2282 | &PortStatus\r | |
2283 | );\r | |
2284 | \r | |
2285 | } else {\r | |
2286 | UsbIo = &UsbIoController->UsbIo;\r | |
2287 | Status = HubGetPortStatus (\r | |
2288 | &ParentController->UsbIo,\r | |
2289 | HubPort + 1,\r | |
2290 | (UINT32 *) &PortStatus\r | |
2291 | );\r | |
2292 | \r | |
2293 | if (EFI_ERROR (Status)) {\r | |
2294 | return IsDeviceDisconnected (ParentController, Disconnected);\r | |
2295 | }\r | |
2296 | }\r | |
2297 | \r | |
2298 | *Disconnected = FALSE;\r | |
2299 | \r | |
2300 | if (!IsPortConnect (PortStatus.PortStatus)) {\r | |
2301 | *Disconnected = TRUE;\r | |
2302 | }\r | |
2303 | \r | |
2304 | return EFI_SUCCESS;\r | |
2305 | }\r |