| 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 |
projects / mirror_edk2.git / blame