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Commit | Line | Data |
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ed838d0c | 1 | /** @file\r |
29129ce4 | 2 | USB Mouse Driver that manages USB mouse and produces Simple Pointer Protocol.\r |
bb80e3b2 | 3 | \r |
d1102dba | 4 | Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
ed838d0c | 6 | \r |
ed838d0c | 7 | **/\r |
8 | \r | |
9 | #include "UsbMouse.h"\r | |
10 | \r | |
1436aea4 | 11 | EFI_DRIVER_BINDING_PROTOCOL gUsbMouseDriverBinding = {\r |
ed838d0c | 12 | USBMouseDriverBindingSupported,\r |
13 | USBMouseDriverBindingStart,\r | |
14 | USBMouseDriverBindingStop,\r | |
15 | 0xa,\r | |
16 | NULL,\r | |
17 | NULL\r | |
18 | };\r | |
19 | \r | |
bb80e3b2 | 20 | /**\r |
29129ce4 | 21 | Entrypoint of USB Mouse Driver.\r |
bb80e3b2 | 22 | \r |
29129ce4 | 23 | This function is the entrypoint of USB Mouse Driver. It installs Driver Binding\r |
24 | Protocols together with Component Name Protocols.\r | |
bb80e3b2 | 25 | \r |
29129ce4 | 26 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
27 | @param SystemTable A pointer to the EFI System Table.\r | |
bb80e3b2 | 28 | \r |
29129ce4 | 29 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
bb80e3b2 | 30 | \r |
31 | **/\r | |
ed838d0c | 32 | EFI_STATUS\r |
33 | EFIAPI\r | |
34 | USBMouseDriverBindingEntryPoint (\r | |
1436aea4 MK |
35 | IN EFI_HANDLE ImageHandle,\r |
36 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
ed838d0c | 37 | )\r |
ed838d0c | 38 | {\r |
1436aea4 | 39 | EFI_STATUS Status;\r |
29129ce4 | 40 | \r |
41 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
42 | ImageHandle,\r | |
43 | SystemTable,\r | |
44 | &gUsbMouseDriverBinding,\r | |
45 | ImageHandle,\r | |
46 | &gUsbMouseComponentName,\r | |
47 | &gUsbMouseComponentName2\r | |
48 | );\r | |
49 | ASSERT_EFI_ERROR (Status);\r | |
50 | \r | |
51 | return EFI_SUCCESS;\r | |
ed838d0c | 52 | }\r |
53 | \r | |
ed838d0c | 54 | /**\r |
29129ce4 | 55 | Check whether USB mouse driver supports this device.\r |
ed838d0c | 56 | \r |
29129ce4 | 57 | @param This The USB mouse driver binding protocol.\r |
58 | @param Controller The controller handle to check.\r | |
59 | @param RemainingDevicePath The remaining device path.\r | |
ed838d0c | 60 | \r |
29129ce4 | 61 | @retval EFI_SUCCESS The driver supports this controller.\r |
62 | @retval other This device isn't supported.\r | |
ed838d0c | 63 | \r |
64 | **/\r | |
65 | EFI_STATUS\r | |
66 | EFIAPI\r | |
67 | USBMouseDriverBindingSupported (\r | |
1436aea4 MK |
68 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
69 | IN EFI_HANDLE Controller,\r | |
70 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
ed838d0c | 71 | )\r |
72 | {\r | |
1436aea4 MK |
73 | EFI_STATUS Status;\r |
74 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
ed838d0c | 75 | \r |
29129ce4 | 76 | Status = gBS->OpenProtocol (\r |
77 | Controller,\r | |
78 | &gEfiUsbIoProtocolGuid,\r | |
1436aea4 | 79 | (VOID **)&UsbIo,\r |
29129ce4 | 80 | This->DriverBindingHandle,\r |
81 | Controller,\r | |
82 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
83 | );\r | |
84 | if (EFI_ERROR (Status)) {\r | |
85 | return Status;\r | |
ed838d0c | 86 | }\r |
87 | \r | |
88 | //\r | |
29129ce4 | 89 | // Use the USB I/O Protocol interface to check whether Controller is\r |
90 | // a mouse device that can be managed by this driver.\r | |
ed838d0c | 91 | //\r |
92 | Status = EFI_SUCCESS;\r | |
93 | if (!IsUsbMouse (UsbIo)) {\r | |
94 | Status = EFI_UNSUPPORTED;\r | |
95 | }\r | |
96 | \r | |
97 | gBS->CloseProtocol (\r | |
1436aea4 MK |
98 | Controller,\r |
99 | &gEfiUsbIoProtocolGuid,\r | |
100 | This->DriverBindingHandle,\r | |
101 | Controller\r | |
102 | );\r | |
29129ce4 | 103 | \r |
ed838d0c | 104 | return Status;\r |
105 | }\r | |
106 | \r | |
ed838d0c | 107 | /**\r |
29129ce4 | 108 | Starts the mouse device with this driver.\r |
109 | \r | |
d2286747 | 110 | This function consumes USB I/O Protocol, initializes USB mouse device,\r |
29129ce4 | 111 | installs Simple Pointer Protocol, and submits Asynchronous Interrupt\r |
112 | Transfer to manage the USB mouse device.\r | |
ed838d0c | 113 | \r |
29129ce4 | 114 | @param This The USB mouse driver binding instance.\r |
115 | @param Controller Handle of device to bind driver to.\r | |
116 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
117 | device to start.\r | |
ed838d0c | 118 | \r |
119 | @retval EFI_SUCCESS This driver supports this device.\r | |
120 | @retval EFI_UNSUPPORTED This driver does not support this device.\r | |
bb80e3b2 | 121 | @retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r |
122 | @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r | |
d7db0902 | 123 | @retval EFI_ALREADY_STARTED This driver has been started.\r |
ed838d0c | 124 | \r |
125 | **/\r | |
126 | EFI_STATUS\r | |
127 | EFIAPI\r | |
128 | USBMouseDriverBindingStart (\r | |
1436aea4 MK |
129 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
130 | IN EFI_HANDLE Controller,\r | |
131 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
ed838d0c | 132 | )\r |
133 | {\r | |
1436aea4 MK |
134 | EFI_STATUS Status;\r |
135 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
136 | USB_MOUSE_DEV *UsbMouseDevice;\r | |
137 | UINT8 EndpointNumber;\r | |
138 | EFI_USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;\r | |
139 | UINT8 Index;\r | |
140 | UINT8 EndpointAddr;\r | |
141 | UINT8 PollingInterval;\r | |
142 | UINT8 PacketSize;\r | |
143 | BOOLEAN Found;\r | |
144 | EFI_TPL OldTpl;\r | |
ed838d0c | 145 | \r |
15cc67e6 | 146 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
29129ce4 | 147 | //\r |
148 | // Open USB I/O Protocol\r | |
149 | //\r | |
ed838d0c | 150 | Status = gBS->OpenProtocol (\r |
151 | Controller,\r | |
152 | &gEfiUsbIoProtocolGuid,\r | |
1436aea4 | 153 | (VOID **)&UsbIo,\r |
ed838d0c | 154 | This->DriverBindingHandle,\r |
155 | Controller,\r | |
156 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
157 | );\r | |
158 | if (EFI_ERROR (Status)) {\r | |
15cc67e6 | 159 | goto ErrorExit1;\r |
ed838d0c | 160 | }\r |
161 | \r | |
162 | UsbMouseDevice = AllocateZeroPool (sizeof (USB_MOUSE_DEV));\r | |
29129ce4 | 163 | ASSERT (UsbMouseDevice != NULL);\r |
ed838d0c | 164 | \r |
29129ce4 | 165 | UsbMouseDevice->UsbIo = UsbIo;\r |
166 | UsbMouseDevice->Signature = USB_MOUSE_DEV_SIGNATURE;\r | |
ed838d0c | 167 | \r |
ed838d0c | 168 | //\r |
169 | // Get the Device Path Protocol on Controller's handle\r | |
170 | //\r | |
171 | Status = gBS->OpenProtocol (\r | |
172 | Controller,\r | |
173 | &gEfiDevicePathProtocolGuid,\r | |
1436aea4 | 174 | (VOID **)&UsbMouseDevice->DevicePath,\r |
ed838d0c | 175 | This->DriverBindingHandle,\r |
176 | Controller,\r | |
177 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
178 | );\r | |
179 | \r | |
180 | if (EFI_ERROR (Status)) {\r | |
181 | goto ErrorExit;\r | |
182 | }\r | |
37623a5c | 183 | \r |
184 | //\r | |
185 | // Report Status Code here since USB mouse will be detected next.\r | |
186 | //\r | |
187 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
188 | EFI_PROGRESS_CODE,\r | |
189 | (EFI_PERIPHERAL_MOUSE | EFI_P_PC_PRESENCE_DETECT),\r | |
190 | UsbMouseDevice->DevicePath\r | |
191 | );\r | |
192 | \r | |
ed838d0c | 193 | //\r |
194 | // Get interface & endpoint descriptor\r | |
195 | //\r | |
196 | UsbIo->UsbGetInterfaceDescriptor (\r | |
29129ce4 | 197 | UsbIo,\r |
198 | &UsbMouseDevice->InterfaceDescriptor\r | |
199 | );\r | |
ed838d0c | 200 | \r |
29129ce4 | 201 | EndpointNumber = UsbMouseDevice->InterfaceDescriptor.NumEndpoints;\r |
ed838d0c | 202 | \r |
29129ce4 | 203 | //\r |
d0d38ce2 | 204 | // Traverse endpoints to find interrupt endpoint IN\r |
29129ce4 | 205 | //\r |
206 | Found = FALSE;\r | |
ed838d0c | 207 | for (Index = 0; Index < EndpointNumber; Index++) {\r |
208 | UsbIo->UsbGetEndpointDescriptor (\r | |
29129ce4 | 209 | UsbIo,\r |
210 | Index,\r | |
211 | &EndpointDescriptor\r | |
212 | );\r | |
ed838d0c | 213 | \r |
d0d38ce2 | 214 | if (((EndpointDescriptor.Attributes & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) &&\r |
1436aea4 MK |
215 | ((EndpointDescriptor.EndpointAddress & USB_ENDPOINT_DIR_IN) != 0))\r |
216 | {\r | |
ed838d0c | 217 | //\r |
218 | // We only care interrupt endpoint here\r | |
219 | //\r | |
1436aea4 | 220 | CopyMem (&UsbMouseDevice->IntEndpointDescriptor, &EndpointDescriptor, sizeof (EndpointDescriptor));\r |
29129ce4 | 221 | Found = TRUE;\r |
222 | break;\r | |
ed838d0c | 223 | }\r |
224 | }\r | |
225 | \r | |
29129ce4 | 226 | if (!Found) {\r |
ed838d0c | 227 | //\r |
37623a5c | 228 | // Report Status Code to indicate that there is no USB mouse\r |
229 | //\r | |
230 | REPORT_STATUS_CODE (\r | |
231 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
232 | (EFI_PERIPHERAL_MOUSE | EFI_P_EC_NOT_DETECTED)\r | |
233 | );\r | |
234 | //\r | |
29129ce4 | 235 | // No interrupt endpoint found, then return unsupported.\r |
ed838d0c | 236 | //\r |
237 | Status = EFI_UNSUPPORTED;\r | |
238 | goto ErrorExit;\r | |
239 | }\r | |
240 | \r | |
37623a5c | 241 | //\r |
242 | // Report Status Code here since USB mouse has be detected.\r | |
243 | //\r | |
244 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
245 | EFI_PROGRESS_CODE,\r | |
246 | (EFI_PERIPHERAL_MOUSE | EFI_P_PC_DETECTED),\r | |
247 | UsbMouseDevice->DevicePath\r | |
248 | );\r | |
249 | \r | |
ed838d0c | 250 | Status = InitializeUsbMouseDevice (UsbMouseDevice);\r |
251 | if (EFI_ERROR (Status)) {\r | |
29129ce4 | 252 | //\r |
253 | // Fail to initialize USB mouse device.\r | |
254 | //\r | |
255 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
ed838d0c | 256 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r |
f9876ecf | 257 | (EFI_PERIPHERAL_MOUSE | EFI_P_EC_INTERFACE_ERROR),\r |
29129ce4 | 258 | UsbMouseDevice->DevicePath\r |
ed838d0c | 259 | );\r |
260 | \r | |
261 | goto ErrorExit;\r | |
262 | }\r | |
263 | \r | |
29129ce4 | 264 | //\r |
265 | // Initialize and install EFI Simple Pointer Protocol.\r | |
266 | //\r | |
1436aea4 MK |
267 | UsbMouseDevice->SimplePointerProtocol.GetState = GetMouseState;\r |
268 | UsbMouseDevice->SimplePointerProtocol.Reset = UsbMouseReset;\r | |
269 | UsbMouseDevice->SimplePointerProtocol.Mode = &UsbMouseDevice->Mode;\r | |
ed838d0c | 270 | \r |
271 | Status = gBS->CreateEvent (\r | |
272 | EVT_NOTIFY_WAIT,\r | |
273 | TPL_NOTIFY,\r | |
274 | UsbMouseWaitForInput,\r | |
275 | UsbMouseDevice,\r | |
276 | &((UsbMouseDevice->SimplePointerProtocol).WaitForInput)\r | |
277 | );\r | |
278 | if (EFI_ERROR (Status)) {\r | |
279 | goto ErrorExit;\r | |
280 | }\r | |
281 | \r | |
282 | Status = gBS->InstallProtocolInterface (\r | |
283 | &Controller,\r | |
284 | &gEfiSimplePointerProtocolGuid,\r | |
285 | EFI_NATIVE_INTERFACE,\r | |
286 | &UsbMouseDevice->SimplePointerProtocol\r | |
287 | );\r | |
288 | \r | |
289 | if (EFI_ERROR (Status)) {\r | |
ed838d0c | 290 | goto ErrorExit;\r |
291 | }\r | |
292 | \r | |
293 | //\r | |
29129ce4 | 294 | // The next step would be submitting Asynchronous Interrupt Transfer on this mouse device.\r |
295 | // After that we will be able to get key data from it. Thus this is deemed as\r | |
296 | // the enable action of the mouse, so report status code accordingly.\r | |
ed838d0c | 297 | //\r |
29129ce4 | 298 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
ed838d0c | 299 | EFI_PROGRESS_CODE,\r |
f9876ecf | 300 | (EFI_PERIPHERAL_MOUSE | EFI_P_PC_ENABLE),\r |
29129ce4 | 301 | UsbMouseDevice->DevicePath\r |
ed838d0c | 302 | );\r |
303 | \r | |
304 | //\r | |
29129ce4 | 305 | // Submit Asynchronous Interrupt Transfer to manage this device.\r |
ed838d0c | 306 | //\r |
29129ce4 | 307 | EndpointAddr = UsbMouseDevice->IntEndpointDescriptor.EndpointAddress;\r |
308 | PollingInterval = UsbMouseDevice->IntEndpointDescriptor.Interval;\r | |
1436aea4 | 309 | PacketSize = (UINT8)(UsbMouseDevice->IntEndpointDescriptor.MaxPacketSize);\r |
ed838d0c | 310 | \r |
311 | Status = UsbIo->UsbAsyncInterruptTransfer (\r | |
312 | UsbIo,\r | |
313 | EndpointAddr,\r | |
314 | TRUE,\r | |
315 | PollingInterval,\r | |
316 | PacketSize,\r | |
317 | OnMouseInterruptComplete,\r | |
318 | UsbMouseDevice\r | |
319 | );\r | |
320 | \r | |
29129ce4 | 321 | if (EFI_ERROR (Status)) {\r |
322 | //\r | |
323 | // If submit error, uninstall that interface\r | |
324 | //\r | |
325 | gBS->UninstallProtocolInterface (\r | |
326 | Controller,\r | |
327 | &gEfiSimplePointerProtocolGuid,\r | |
328 | &UsbMouseDevice->SimplePointerProtocol\r | |
329 | );\r | |
330 | goto ErrorExit;\r | |
ed838d0c | 331 | }\r |
d1102dba | 332 | \r |
29129ce4 | 333 | UsbMouseDevice->ControllerNameTable = NULL;\r |
334 | AddUnicodeString2 (\r | |
335 | "eng",\r | |
336 | gUsbMouseComponentName.SupportedLanguages,\r | |
337 | &UsbMouseDevice->ControllerNameTable,\r | |
338 | L"Generic Usb Mouse",\r | |
339 | TRUE\r | |
340 | );\r | |
341 | AddUnicodeString2 (\r | |
342 | "en",\r | |
343 | gUsbMouseComponentName2.SupportedLanguages,\r | |
344 | &UsbMouseDevice->ControllerNameTable,\r | |
345 | L"Generic Usb Mouse",\r | |
346 | FALSE\r | |
347 | );\r | |
ed838d0c | 348 | \r |
15cc67e6 | 349 | gBS->RestoreTPL (OldTpl);\r |
350 | \r | |
29129ce4 | 351 | return EFI_SUCCESS;\r |
ed838d0c | 352 | \r |
1436aea4 MK |
353 | //\r |
354 | // Error handler\r | |
355 | //\r | |
ed838d0c | 356 | ErrorExit:\r |
357 | if (EFI_ERROR (Status)) {\r | |
358 | gBS->CloseProtocol (\r | |
1436aea4 MK |
359 | Controller,\r |
360 | &gEfiUsbIoProtocolGuid,\r | |
361 | This->DriverBindingHandle,\r | |
362 | Controller\r | |
363 | );\r | |
ed838d0c | 364 | \r |
365 | if (UsbMouseDevice != NULL) {\r | |
ed838d0c | 366 | if ((UsbMouseDevice->SimplePointerProtocol).WaitForInput != NULL) {\r |
367 | gBS->CloseEvent ((UsbMouseDevice->SimplePointerProtocol).WaitForInput);\r | |
368 | }\r | |
369 | \r | |
29129ce4 | 370 | FreePool (UsbMouseDevice);\r |
ed838d0c | 371 | UsbMouseDevice = NULL;\r |
372 | }\r | |
373 | }\r | |
374 | \r | |
15cc67e6 | 375 | ErrorExit1:\r |
376 | gBS->RestoreTPL (OldTpl);\r | |
ed838d0c | 377 | return Status;\r |
378 | }\r | |
379 | \r | |
ed838d0c | 380 | /**\r |
29129ce4 | 381 | Stop the USB mouse device handled by this driver.\r |
ed838d0c | 382 | \r |
29129ce4 | 383 | @param This The USB mouse driver binding protocol.\r |
384 | @param Controller The controller to release.\r | |
385 | @param NumberOfChildren The number of handles in ChildHandleBuffer.\r | |
386 | @param ChildHandleBuffer The array of child handle.\r | |
ed838d0c | 387 | \r |
29129ce4 | 388 | @retval EFI_SUCCESS The device was stopped.\r |
389 | @retval EFI_UNSUPPORTED Simple Pointer Protocol is not installed on Controller.\r | |
390 | @retval Others Fail to uninstall protocols attached on the device.\r | |
ed838d0c | 391 | \r |
392 | **/\r | |
393 | EFI_STATUS\r | |
394 | EFIAPI\r | |
395 | USBMouseDriverBindingStop (\r | |
1436aea4 MK |
396 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
397 | IN EFI_HANDLE Controller,\r | |
398 | IN UINTN NumberOfChildren,\r | |
399 | IN EFI_HANDLE *ChildHandleBuffer\r | |
ed838d0c | 400 | )\r |
401 | {\r | |
1436aea4 MK |
402 | EFI_STATUS Status;\r |
403 | USB_MOUSE_DEV *UsbMouseDevice;\r | |
404 | EFI_SIMPLE_POINTER_PROTOCOL *SimplePointerProtocol;\r | |
405 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
ed838d0c | 406 | \r |
ed838d0c | 407 | Status = gBS->OpenProtocol (\r |
408 | Controller,\r | |
409 | &gEfiSimplePointerProtocolGuid,\r | |
1436aea4 | 410 | (VOID **)&SimplePointerProtocol,\r |
ed838d0c | 411 | This->DriverBindingHandle,\r |
412 | Controller,\r | |
413 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
414 | );\r | |
415 | \r | |
416 | if (EFI_ERROR (Status)) {\r | |
417 | return EFI_UNSUPPORTED;\r | |
418 | }\r | |
419 | \r | |
420 | UsbMouseDevice = USB_MOUSE_DEV_FROM_MOUSE_PROTOCOL (SimplePointerProtocol);\r | |
421 | \r | |
ed838d0c | 422 | UsbIo = UsbMouseDevice->UsbIo;\r |
423 | \r | |
424 | //\r | |
29129ce4 | 425 | // The key data input from this device will be disabled.\r |
ed838d0c | 426 | //\r |
29129ce4 | 427 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
ed838d0c | 428 | EFI_PROGRESS_CODE,\r |
f9876ecf | 429 | (EFI_PERIPHERAL_MOUSE | EFI_P_PC_DISABLE),\r |
29129ce4 | 430 | UsbMouseDevice->DevicePath\r |
ed838d0c | 431 | );\r |
432 | \r | |
433 | //\r | |
29129ce4 | 434 | // Delete the Asynchronous Interrupt Transfer from this device\r |
ed838d0c | 435 | //\r |
436 | UsbIo->UsbAsyncInterruptTransfer (\r | |
29129ce4 | 437 | UsbIo,\r |
438 | UsbMouseDevice->IntEndpointDescriptor.EndpointAddress,\r | |
439 | FALSE,\r | |
440 | UsbMouseDevice->IntEndpointDescriptor.Interval,\r | |
441 | 0,\r | |
442 | NULL,\r | |
443 | NULL\r | |
444 | );\r | |
ed838d0c | 445 | \r |
446 | Status = gBS->UninstallProtocolInterface (\r | |
447 | Controller,\r | |
448 | &gEfiSimplePointerProtocolGuid,\r | |
449 | &UsbMouseDevice->SimplePointerProtocol\r | |
450 | );\r | |
451 | if (EFI_ERROR (Status)) {\r | |
452 | return Status;\r | |
453 | }\r | |
454 | \r | |
455 | gBS->CloseProtocol (\r | |
29129ce4 | 456 | Controller,\r |
457 | &gEfiUsbIoProtocolGuid,\r | |
458 | This->DriverBindingHandle,\r | |
459 | Controller\r | |
460 | );\r | |
461 | \r | |
462 | //\r | |
463 | // Free all resources.\r | |
464 | //\r | |
465 | gBS->CloseEvent (UsbMouseDevice->SimplePointerProtocol.WaitForInput);\r | |
ed838d0c | 466 | \r |
29129ce4 | 467 | if (UsbMouseDevice->DelayedRecoveryEvent != NULL) {\r |
468 | gBS->CloseEvent (UsbMouseDevice->DelayedRecoveryEvent);\r | |
469 | UsbMouseDevice->DelayedRecoveryEvent = NULL;\r | |
470 | }\r | |
ed838d0c | 471 | \r |
bb80e3b2 | 472 | if (UsbMouseDevice->ControllerNameTable != NULL) {\r |
ed838d0c | 473 | FreeUnicodeStringTable (UsbMouseDevice->ControllerNameTable);\r |
474 | }\r | |
475 | \r | |
29129ce4 | 476 | FreePool (UsbMouseDevice);\r |
ed838d0c | 477 | \r |
478 | return EFI_SUCCESS;\r | |
ed838d0c | 479 | }\r |
480 | \r | |
ed838d0c | 481 | /**\r |
29129ce4 | 482 | Uses USB I/O to check whether the device is a USB mouse device.\r |
ed838d0c | 483 | \r |
29129ce4 | 484 | @param UsbIo Pointer to a USB I/O protocol instance.\r |
ed838d0c | 485 | \r |
29129ce4 | 486 | @retval TRUE Device is a USB mouse device.\r |
487 | @retval FALSE Device is a not USB mouse device.\r | |
ed838d0c | 488 | \r |
489 | **/\r | |
490 | BOOLEAN\r | |
491 | IsUsbMouse (\r | |
1436aea4 | 492 | IN EFI_USB_IO_PROTOCOL *UsbIo\r |
ed838d0c | 493 | )\r |
494 | {\r | |
495 | EFI_STATUS Status;\r | |
496 | EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r | |
497 | \r | |
498 | //\r | |
29129ce4 | 499 | // Get the default interface descriptor\r |
ed838d0c | 500 | //\r |
501 | Status = UsbIo->UsbGetInterfaceDescriptor (\r | |
502 | UsbIo,\r | |
503 | &InterfaceDescriptor\r | |
504 | );\r | |
505 | \r | |
506 | if (EFI_ERROR (Status)) {\r | |
507 | return FALSE;\r | |
508 | }\r | |
509 | \r | |
510 | if ((InterfaceDescriptor.InterfaceClass == CLASS_HID) &&\r | |
511 | (InterfaceDescriptor.InterfaceSubClass == SUBCLASS_BOOT) &&\r | |
512 | (InterfaceDescriptor.InterfaceProtocol == PROTOCOL_MOUSE)\r | |
1436aea4 MK |
513 | )\r |
514 | {\r | |
ed838d0c | 515 | return TRUE;\r |
516 | }\r | |
517 | \r | |
518 | return FALSE;\r | |
519 | }\r | |
520 | \r | |
ed838d0c | 521 | /**\r |
29129ce4 | 522 | Initialize the USB mouse device.\r |
523 | \r | |
524 | This function retrieves and parses HID report descriptor, and\r | |
525 | initializes state of USB_MOUSE_DEV. Then it sets indefinite idle\r | |
526 | rate for the device. Finally it creates event for delayed recovery,\r | |
527 | which deals with device error.\r | |
ed838d0c | 528 | \r |
bb80e3b2 | 529 | @param UsbMouseDev Device instance to be initialized.\r |
ed838d0c | 530 | \r |
29129ce4 | 531 | @retval EFI_SUCCESS USB mouse device successfully initialized..\r |
532 | @retval EFI_UNSUPPORTED HID descriptor type is not report descriptor.\r | |
533 | @retval Other USB mouse device was not initialized successfully.\r | |
ed838d0c | 534 | \r |
535 | **/\r | |
ed838d0c | 536 | EFI_STATUS\r |
537 | InitializeUsbMouseDevice (\r | |
1436aea4 | 538 | IN OUT USB_MOUSE_DEV *UsbMouseDev\r |
ed838d0c | 539 | )\r |
540 | {\r | |
1436aea4 MK |
541 | EFI_USB_IO_PROTOCOL *UsbIo;\r |
542 | UINT8 Protocol;\r | |
543 | EFI_STATUS Status;\r | |
544 | EFI_USB_HID_DESCRIPTOR *MouseHidDesc;\r | |
545 | UINT8 *ReportDesc;\r | |
546 | EFI_USB_CONFIG_DESCRIPTOR ConfigDesc;\r | |
547 | VOID *Buf;\r | |
548 | UINT32 TransferResult;\r | |
549 | UINT16 Total;\r | |
550 | USB_DESC_HEAD *Head;\r | |
551 | BOOLEAN Start;\r | |
ed838d0c | 552 | \r |
553 | UsbIo = UsbMouseDev->UsbIo;\r | |
554 | \r | |
555 | //\r | |
0309b719 | 556 | // Get the current configuration descriptor. Note that it doesn't include other descriptors.\r |
ed838d0c | 557 | //\r |
0309b719 | 558 | Status = UsbIo->UsbGetConfigDescriptor (\r |
559 | UsbIo,\r | |
560 | &ConfigDesc\r | |
561 | );\r | |
562 | if (EFI_ERROR (Status)) {\r | |
563 | return Status;\r | |
564 | }\r | |
565 | \r | |
566 | //\r | |
567 | // By issuing Get_Descriptor(Configuration) request with total length, we get the Configuration descriptor,\r | |
568 | // all Interface descriptors, all Endpoint descriptors, and the HID descriptor for each interface.\r | |
569 | //\r | |
570 | Buf = AllocateZeroPool (ConfigDesc.TotalLength);\r | |
571 | if (Buf == NULL) {\r | |
572 | return EFI_OUT_OF_RESOURCES;\r | |
573 | }\r | |
574 | \r | |
575 | Status = UsbGetDescriptor (\r | |
29129ce4 | 576 | UsbIo,\r |
0309b719 | 577 | (UINT16)((USB_DESC_TYPE_CONFIG << 8) | (ConfigDesc.ConfigurationValue - 1)),\r |
578 | 0,\r | |
579 | ConfigDesc.TotalLength,\r | |
580 | Buf,\r | |
581 | &TransferResult\r | |
29129ce4 | 582 | );\r |
ed838d0c | 583 | if (EFI_ERROR (Status)) {\r |
0309b719 | 584 | FreePool (Buf);\r |
ed838d0c | 585 | return Status;\r |
586 | }\r | |
587 | \r | |
1436aea4 MK |
588 | Total = 0;\r |
589 | Start = FALSE;\r | |
590 | Head = (USB_DESC_HEAD *)Buf;\r | |
0309b719 | 591 | MouseHidDesc = NULL;\r |
592 | \r | |
593 | //\r | |
594 | // Get HID descriptor from the receipt of Get_Descriptor(Configuration) request.\r | |
595 | // This algorithm is based on the fact that the HID descriptor shall be interleaved\r | |
596 | // between the interface and endpoint descriptors for HID interfaces.\r | |
597 | //\r | |
598 | while (Total < ConfigDesc.TotalLength) {\r | |
599 | if (Head->Type == USB_DESC_TYPE_INTERFACE) {\r | |
600 | if ((((USB_INTERFACE_DESCRIPTOR *)Head)->InterfaceNumber == UsbMouseDev->InterfaceDescriptor.InterfaceNumber) &&\r | |
1436aea4 MK |
601 | (((USB_INTERFACE_DESCRIPTOR *)Head)->AlternateSetting == UsbMouseDev->InterfaceDescriptor.AlternateSetting))\r |
602 | {\r | |
0309b719 | 603 | Start = TRUE;\r |
604 | }\r | |
605 | }\r | |
1436aea4 | 606 | \r |
af3a71b8 | 607 | if (Start && (Head->Type == USB_DESC_TYPE_ENDPOINT)) {\r |
0309b719 | 608 | break;\r |
609 | }\r | |
1436aea4 | 610 | \r |
af3a71b8 | 611 | if (Start && (Head->Type == USB_DESC_TYPE_HID)) {\r |
0309b719 | 612 | MouseHidDesc = (EFI_USB_HID_DESCRIPTOR *)Head;\r |
613 | break;\r | |
614 | }\r | |
1436aea4 | 615 | \r |
ab742719 | 616 | Total = Total + (UINT16)Head->Len;\r |
1436aea4 | 617 | Head = (USB_DESC_HEAD *)((UINT8 *)Buf + Total);\r |
0309b719 | 618 | }\r |
619 | \r | |
620 | if (MouseHidDesc == NULL) {\r | |
621 | FreePool (Buf);\r | |
622 | return EFI_UNSUPPORTED;\r | |
623 | }\r | |
624 | \r | |
ed838d0c | 625 | //\r |
29129ce4 | 626 | // Get report descriptor\r |
ed838d0c | 627 | //\r |
0309b719 | 628 | if (MouseHidDesc->HidClassDesc[0].DescriptorType != USB_DESC_TYPE_REPORT) {\r |
629 | FreePool (Buf);\r | |
ed838d0c | 630 | return EFI_UNSUPPORTED;\r |
631 | }\r | |
632 | \r | |
0309b719 | 633 | ReportDesc = AllocateZeroPool (MouseHidDesc->HidClassDesc[0].DescriptorLength);\r |
29129ce4 | 634 | ASSERT (ReportDesc != NULL);\r |
ed838d0c | 635 | \r |
636 | Status = UsbGetReportDescriptor (\r | |
29129ce4 | 637 | UsbIo,\r |
638 | UsbMouseDev->InterfaceDescriptor.InterfaceNumber,\r | |
0309b719 | 639 | MouseHidDesc->HidClassDesc[0].DescriptorLength,\r |
29129ce4 | 640 | ReportDesc\r |
641 | );\r | |
ed838d0c | 642 | \r |
643 | if (EFI_ERROR (Status)) {\r | |
0309b719 | 644 | FreePool (Buf);\r |
29129ce4 | 645 | FreePool (ReportDesc);\r |
ed838d0c | 646 | return Status;\r |
647 | }\r | |
648 | \r | |
649 | //\r | |
650 | // Parse report descriptor\r | |
651 | //\r | |
652 | Status = ParseMouseReportDescriptor (\r | |
29129ce4 | 653 | UsbMouseDev,\r |
654 | ReportDesc,\r | |
0309b719 | 655 | MouseHidDesc->HidClassDesc[0].DescriptorLength\r |
29129ce4 | 656 | );\r |
ed838d0c | 657 | \r |
658 | if (EFI_ERROR (Status)) {\r | |
0309b719 | 659 | FreePool (Buf);\r |
29129ce4 | 660 | FreePool (ReportDesc);\r |
ed838d0c | 661 | return Status;\r |
662 | }\r | |
663 | \r | |
29129ce4 | 664 | //\r |
665 | // Check the presence of left and right buttons,\r | |
666 | // and initialize fields of EFI_SIMPLE_POINTER_MODE.\r | |
667 | //\r | |
ed838d0c | 668 | if (UsbMouseDev->NumberOfButtons >= 1) {\r |
669 | UsbMouseDev->Mode.LeftButton = TRUE;\r | |
670 | }\r | |
1436aea4 | 671 | \r |
ed838d0c | 672 | if (UsbMouseDev->NumberOfButtons > 1) {\r |
673 | UsbMouseDev->Mode.RightButton = TRUE;\r | |
674 | }\r | |
1436aea4 | 675 | \r |
ed838d0c | 676 | UsbMouseDev->Mode.ResolutionX = 8;\r |
677 | UsbMouseDev->Mode.ResolutionY = 8;\r | |
678 | UsbMouseDev->Mode.ResolutionZ = 0;\r | |
29129ce4 | 679 | \r |
ed838d0c | 680 | //\r |
29129ce4 | 681 | // Set boot protocol for the USB mouse.\r |
682 | // This driver only supports boot protocol.\r | |
ed838d0c | 683 | //\r |
684 | UsbGetProtocolRequest (\r | |
685 | UsbIo,\r | |
29129ce4 | 686 | UsbMouseDev->InterfaceDescriptor.InterfaceNumber,\r |
ed838d0c | 687 | &Protocol\r |
688 | );\r | |
ed838d0c | 689 | if (Protocol != BOOT_PROTOCOL) {\r |
690 | Status = UsbSetProtocolRequest (\r | |
29129ce4 | 691 | UsbIo,\r |
83040701 | 692 | UsbMouseDev->InterfaceDescriptor.InterfaceNumber,\r |
29129ce4 | 693 | BOOT_PROTOCOL\r |
694 | );\r | |
ed838d0c | 695 | \r |
696 | if (EFI_ERROR (Status)) {\r | |
0309b719 | 697 | FreePool (Buf);\r |
29129ce4 | 698 | FreePool (ReportDesc);\r |
699 | return Status;\r | |
ed838d0c | 700 | }\r |
701 | }\r | |
702 | \r | |
0309b719 | 703 | FreePool (Buf);\r |
29129ce4 | 704 | FreePool (ReportDesc);\r |
ed838d0c | 705 | \r |
29129ce4 | 706 | //\r |
707 | // Create event for delayed recovery, which deals with device error.\r | |
708 | //\r | |
bb80e3b2 | 709 | if (UsbMouseDev->DelayedRecoveryEvent != NULL) {\r |
ed838d0c | 710 | gBS->CloseEvent (UsbMouseDev->DelayedRecoveryEvent);\r |
711 | UsbMouseDev->DelayedRecoveryEvent = 0;\r | |
712 | }\r | |
713 | \r | |
29129ce4 | 714 | gBS->CreateEvent (\r |
715 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
716 | TPL_NOTIFY,\r | |
717 | USBMouseRecoveryHandler,\r | |
718 | UsbMouseDev,\r | |
719 | &UsbMouseDev->DelayedRecoveryEvent\r | |
720 | );\r | |
ed838d0c | 721 | \r |
722 | return EFI_SUCCESS;\r | |
723 | }\r | |
724 | \r | |
ed838d0c | 725 | /**\r |
29129ce4 | 726 | Handler function for USB mouse's asynchronous interrupt transfer.\r |
727 | \r | |
728 | This function is the handler function for USB mouse's asynchronous interrupt transfer\r | |
729 | to manage the mouse. It parses data returned from asynchronous interrupt transfer, and\r | |
730 | get button and movement state.\r | |
ed838d0c | 731 | \r |
29129ce4 | 732 | @param Data A pointer to a buffer that is filled with key data which is\r |
733 | retrieved via asynchronous interrupt transfer.\r | |
734 | @param DataLength Indicates the size of the data buffer.\r | |
735 | @param Context Pointing to USB_KB_DEV instance.\r | |
736 | @param Result Indicates the result of the asynchronous interrupt transfer.\r | |
ed838d0c | 737 | \r |
29129ce4 | 738 | @retval EFI_SUCCESS Asynchronous interrupt transfer is handled successfully.\r |
739 | @retval EFI_DEVICE_ERROR Hardware error occurs.\r | |
ed838d0c | 740 | \r |
741 | **/\r | |
ed838d0c | 742 | EFI_STATUS\r |
743 | EFIAPI\r | |
744 | OnMouseInterruptComplete (\r | |
1436aea4 MK |
745 | IN VOID *Data,\r |
746 | IN UINTN DataLength,\r | |
747 | IN VOID *Context,\r | |
748 | IN UINT32 Result\r | |
ed838d0c | 749 | )\r |
750 | {\r | |
1436aea4 MK |
751 | USB_MOUSE_DEV *UsbMouseDevice;\r |
752 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
753 | UINT8 EndpointAddr;\r | |
754 | UINT32 UsbResult;\r | |
ed838d0c | 755 | \r |
1436aea4 MK |
756 | UsbMouseDevice = (USB_MOUSE_DEV *)Context;\r |
757 | UsbIo = UsbMouseDevice->UsbIo;\r | |
ed838d0c | 758 | \r |
759 | if (Result != EFI_USB_NOERROR) {\r | |
760 | //\r | |
761 | // Some errors happen during the process\r | |
762 | //\r | |
29129ce4 | 763 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
ed838d0c | 764 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r |
f9876ecf | 765 | (EFI_PERIPHERAL_MOUSE | EFI_P_EC_INPUT_ERROR),\r |
29129ce4 | 766 | UsbMouseDevice->DevicePath\r |
ed838d0c | 767 | );\r |
768 | \r | |
769 | if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {\r | |
29129ce4 | 770 | EndpointAddr = UsbMouseDevice->IntEndpointDescriptor.EndpointAddress;\r |
ed838d0c | 771 | \r |
772 | UsbClearEndpointHalt (\r | |
773 | UsbIo,\r | |
774 | EndpointAddr,\r | |
775 | &UsbResult\r | |
776 | );\r | |
777 | }\r | |
778 | \r | |
29129ce4 | 779 | //\r |
780 | // Delete & Submit this interrupt again\r | |
d1102dba | 781 | // Handler of DelayedRecoveryEvent triggered by timer will re-submit the interrupt.\r |
29129ce4 | 782 | //\r |
ed838d0c | 783 | UsbIo->UsbAsyncInterruptTransfer (\r |
29129ce4 | 784 | UsbIo,\r |
785 | UsbMouseDevice->IntEndpointDescriptor.EndpointAddress,\r | |
786 | FALSE,\r | |
787 | 0,\r | |
788 | 0,\r | |
789 | NULL,\r | |
790 | NULL\r | |
791 | );\r | |
792 | //\r | |
793 | // EFI_USB_INTERRUPT_DELAY is defined in USB standard for error handling.\r | |
794 | //\r | |
ed838d0c | 795 | gBS->SetTimer (\r |
29129ce4 | 796 | UsbMouseDevice->DelayedRecoveryEvent,\r |
797 | TimerRelative,\r | |
798 | EFI_USB_INTERRUPT_DELAY\r | |
799 | );\r | |
ed838d0c | 800 | return EFI_DEVICE_ERROR;\r |
801 | }\r | |
802 | \r | |
29129ce4 | 803 | //\r |
804 | // If no error and no data, just return EFI_SUCCESS.\r | |
805 | //\r | |
1436aea4 | 806 | if ((DataLength == 0) || (Data == NULL)) {\r |
ed838d0c | 807 | return EFI_SUCCESS;\r |
808 | }\r | |
809 | \r | |
ed838d0c | 810 | //\r |
811 | // Check mouse Data\r | |
29129ce4 | 812 | // USB HID Specification specifies following data format:\r |
813 | // Byte Bits Description\r | |
814 | // 0 0 Button 1\r | |
815 | // 1 Button 2\r | |
816 | // 2 Button 3\r | |
817 | // 4 to 7 Device-specific\r | |
818 | // 1 0 to 7 X displacement\r | |
819 | // 2 0 to 7 Y displacement\r | |
820 | // 3 to n 0 to 7 Device specific (optional)\r | |
821 | //\r | |
6c46cbbd RN |
822 | if (DataLength < 3) {\r |
823 | return EFI_DEVICE_ERROR;\r | |
824 | }\r | |
825 | \r | |
826 | UsbMouseDevice->StateChanged = TRUE;\r | |
827 | \r | |
1436aea4 MK |
828 | UsbMouseDevice->State.LeftButton = (BOOLEAN)((*(UINT8 *)Data & BIT0) != 0);\r |
829 | UsbMouseDevice->State.RightButton = (BOOLEAN)((*(UINT8 *)Data & BIT1) != 0);\r | |
830 | UsbMouseDevice->State.RelativeMovementX += *((INT8 *)Data + 1);\r | |
831 | UsbMouseDevice->State.RelativeMovementY += *((INT8 *)Data + 2);\r | |
ed838d0c | 832 | \r |
833 | if (DataLength > 3) {\r | |
1436aea4 | 834 | UsbMouseDevice->State.RelativeMovementZ += *((INT8 *)Data + 3);\r |
ed838d0c | 835 | }\r |
836 | \r | |
837 | return EFI_SUCCESS;\r | |
838 | }\r | |
839 | \r | |
ed838d0c | 840 | /**\r |
29129ce4 | 841 | Retrieves the current state of a pointer device.\r |
d1102dba LG |
842 | \r |
843 | @param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance.\r | |
29129ce4 | 844 | @param MouseState A pointer to the state information on the pointer device.\r |
d1102dba | 845 | \r |
29129ce4 | 846 | @retval EFI_SUCCESS The state of the pointer device was returned in State.\r |
847 | @retval EFI_NOT_READY The state of the pointer device has not changed since the last call to\r | |
d1102dba | 848 | GetState().\r |
29129ce4 | 849 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's\r |
d1102dba LG |
850 | current state.\r |
851 | @retval EFI_INVALID_PARAMETER MouseState is NULL.\r | |
ed838d0c | 852 | \r |
853 | **/\r | |
ed838d0c | 854 | EFI_STATUS\r |
855 | EFIAPI\r | |
856 | GetMouseState (\r | |
857 | IN EFI_SIMPLE_POINTER_PROTOCOL *This,\r | |
858 | OUT EFI_SIMPLE_POINTER_STATE *MouseState\r | |
859 | )\r | |
860 | {\r | |
1436aea4 | 861 | USB_MOUSE_DEV *MouseDev;\r |
ed838d0c | 862 | \r |
863 | if (MouseState == NULL) {\r | |
29129ce4 | 864 | return EFI_INVALID_PARAMETER;\r |
ed838d0c | 865 | }\r |
866 | \r | |
867 | MouseDev = USB_MOUSE_DEV_FROM_MOUSE_PROTOCOL (This);\r | |
868 | \r | |
869 | if (!MouseDev->StateChanged) {\r | |
870 | return EFI_NOT_READY;\r | |
871 | }\r | |
872 | \r | |
29129ce4 | 873 | //\r |
874 | // Retrieve mouse state from USB_MOUSE_DEV, which was filled by OnMouseInterruptComplete()\r | |
875 | //\r | |
ed838d0c | 876 | CopyMem (\r |
877 | MouseState,\r | |
878 | &MouseDev->State,\r | |
879 | sizeof (EFI_SIMPLE_POINTER_STATE)\r | |
880 | );\r | |
881 | \r | |
882 | //\r | |
883 | // Clear previous move state\r | |
884 | //\r | |
885 | MouseDev->State.RelativeMovementX = 0;\r | |
886 | MouseDev->State.RelativeMovementY = 0;\r | |
887 | MouseDev->State.RelativeMovementZ = 0;\r | |
888 | \r | |
1436aea4 | 889 | MouseDev->StateChanged = FALSE;\r |
ed838d0c | 890 | \r |
891 | return EFI_SUCCESS;\r | |
892 | }\r | |
893 | \r | |
d1102dba | 894 | /**\r |
29129ce4 | 895 | Resets the pointer device hardware.\r |
d1102dba | 896 | \r |
29129ce4 | 897 | @param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance.\r |
898 | @param ExtendedVerification Indicates that the driver may perform a more exhaustive\r | |
899 | verification operation of the device during reset.\r | |
d1102dba | 900 | \r |
29129ce4 | 901 | @retval EFI_SUCCESS The device was reset.\r |
902 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.\r | |
ed838d0c | 903 | \r |
904 | **/\r | |
ed838d0c | 905 | EFI_STATUS\r |
906 | EFIAPI\r | |
907 | UsbMouseReset (\r | |
1436aea4 MK |
908 | IN EFI_SIMPLE_POINTER_PROTOCOL *This,\r |
909 | IN BOOLEAN ExtendedVerification\r | |
ed838d0c | 910 | )\r |
911 | {\r | |
1436aea4 | 912 | USB_MOUSE_DEV *UsbMouseDevice;\r |
ed838d0c | 913 | \r |
1436aea4 | 914 | UsbMouseDevice = USB_MOUSE_DEV_FROM_MOUSE_PROTOCOL (This);\r |
ed838d0c | 915 | \r |
29129ce4 | 916 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
ed838d0c | 917 | EFI_PROGRESS_CODE,\r |
f9876ecf | 918 | (EFI_PERIPHERAL_MOUSE | EFI_P_PC_RESET),\r |
29129ce4 | 919 | UsbMouseDevice->DevicePath\r |
ed838d0c | 920 | );\r |
921 | \r | |
29129ce4 | 922 | //\r |
923 | // Clear mouse state.\r | |
924 | //\r | |
ed838d0c | 925 | ZeroMem (\r |
926 | &UsbMouseDevice->State,\r | |
927 | sizeof (EFI_SIMPLE_POINTER_STATE)\r | |
928 | );\r | |
929 | UsbMouseDevice->StateChanged = FALSE;\r | |
930 | \r | |
931 | return EFI_SUCCESS;\r | |
932 | }\r | |
933 | \r | |
ed838d0c | 934 | /**\r |
7772b176 | 935 | Event notification function for EFI_SIMPLE_POINTER_PROTOCOL.WaitForInput event.\r |
ed838d0c | 936 | \r |
29129ce4 | 937 | @param Event Event to be signaled when there's input from mouse.\r |
938 | @param Context Points to USB_MOUSE_DEV instance.\r | |
d1102dba | 939 | \r |
ed838d0c | 940 | **/\r |
ed838d0c | 941 | VOID\r |
942 | EFIAPI\r | |
943 | UsbMouseWaitForInput (\r | |
1436aea4 MK |
944 | IN EFI_EVENT Event,\r |
945 | IN VOID *Context\r | |
ed838d0c | 946 | )\r |
947 | {\r | |
1436aea4 | 948 | USB_MOUSE_DEV *UsbMouseDev;\r |
ed838d0c | 949 | \r |
1436aea4 | 950 | UsbMouseDev = (USB_MOUSE_DEV *)Context;\r |
ed838d0c | 951 | \r |
952 | //\r | |
29129ce4 | 953 | // If there's input from mouse, signal the event.\r |
ed838d0c | 954 | //\r |
955 | if (UsbMouseDev->StateChanged) {\r | |
956 | gBS->SignalEvent (Event);\r | |
957 | }\r | |
958 | }\r | |
959 | \r | |
ed838d0c | 960 | /**\r |
29129ce4 | 961 | Handler for Delayed Recovery event.\r |
ed838d0c | 962 | \r |
29129ce4 | 963 | This function is the handler for Delayed Recovery event triggered\r |
964 | by timer.\r | |
965 | After a device error occurs, the event would be triggered\r | |
966 | with interval of EFI_USB_INTERRUPT_DELAY. EFI_USB_INTERRUPT_DELAY\r | |
967 | is defined in USB standard for error handling.\r | |
ed838d0c | 968 | \r |
29129ce4 | 969 | @param Event The Delayed Recovery event.\r |
970 | @param Context Points to the USB_MOUSE_DEV instance.\r | |
ed838d0c | 971 | \r |
972 | **/\r | |
973 | VOID\r | |
974 | EFIAPI\r | |
975 | USBMouseRecoveryHandler (\r | |
1436aea4 MK |
976 | IN EFI_EVENT Event,\r |
977 | IN VOID *Context\r | |
ed838d0c | 978 | )\r |
979 | {\r | |
1436aea4 MK |
980 | USB_MOUSE_DEV *UsbMouseDev;\r |
981 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
ed838d0c | 982 | \r |
1436aea4 | 983 | UsbMouseDev = (USB_MOUSE_DEV *)Context;\r |
ed838d0c | 984 | \r |
1436aea4 | 985 | UsbIo = UsbMouseDev->UsbIo;\r |
ed838d0c | 986 | \r |
29129ce4 | 987 | //\r |
988 | // Re-submit Asynchronous Interrupt Transfer for recovery.\r | |
989 | //\r | |
ed838d0c | 990 | UsbIo->UsbAsyncInterruptTransfer (\r |
29129ce4 | 991 | UsbIo,\r |
992 | UsbMouseDev->IntEndpointDescriptor.EndpointAddress,\r | |
993 | TRUE,\r | |
994 | UsbMouseDev->IntEndpointDescriptor.Interval,\r | |
995 | UsbMouseDev->IntEndpointDescriptor.MaxPacketSize,\r | |
996 | OnMouseInterruptComplete,\r | |
997 | UsbMouseDev\r | |
998 | );\r | |
ed838d0c | 999 | }\r |