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1 | /** @file\r | |
2 | PS/2 Mouse driver. Routines that interacts with callers,\r | |
3 | conforming to EFI driver model.\r | |
4 | \r | |
5 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "Ps2Mouse.h"\r | |
17 | #include "CommPs2.h"\r | |
18 | \r | |
19 | ///\r | |
20 | /// DriverBinding Protocol Instance\r | |
21 | ///\r | |
22 | EFI_DRIVER_BINDING_PROTOCOL gPS2MouseDriver = {\r | |
23 | PS2MouseDriverSupported,\r | |
24 | PS2MouseDriverStart,\r | |
25 | PS2MouseDriverStop,\r | |
26 | 0xa,\r | |
27 | NULL,\r | |
28 | NULL\r | |
29 | };\r | |
30 | \r | |
31 | /**\r | |
32 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r | |
33 | than contains a IsaIo protocol can be supported.\r | |
34 | \r | |
35 | @param This Protocol instance pointer.\r | |
36 | @param ControllerHandle Handle of device to test\r | |
37 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
38 | device to start.\r | |
39 | \r | |
40 | @retval EFI_SUCCESS This driver supports this device\r | |
41 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
42 | @retval other This driver does not support this device\r | |
43 | \r | |
44 | **/\r | |
45 | EFI_STATUS\r | |
46 | EFIAPI\r | |
47 | PS2MouseDriverSupported (\r | |
48 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
49 | IN EFI_HANDLE Controller,\r | |
50 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
51 | )\r | |
52 | {\r | |
53 | EFI_STATUS Status;\r | |
54 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
55 | \r | |
56 | Status = EFI_SUCCESS;\r | |
57 | \r | |
58 | //\r | |
59 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
60 | //\r | |
61 | Status = gBS->OpenProtocol (\r | |
62 | Controller,\r | |
63 | &gEfiIsaIoProtocolGuid,\r | |
64 | (VOID **) &IsaIo,\r | |
65 | This->DriverBindingHandle,\r | |
66 | Controller,\r | |
67 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
68 | );\r | |
69 | if (EFI_ERROR (Status)) {\r | |
70 | return Status;\r | |
71 | }\r | |
72 | //\r | |
73 | // Use the ISA I/O Protocol to see if Controller is the Keyboard controller\r | |
74 | //\r | |
75 | switch (IsaIo->ResourceList->Device.HID) {\r | |
76 | case EISA_PNP_ID (0xF03):\r | |
77 | //\r | |
78 | // Microsoft PS/2 style mouse\r | |
79 | //\r | |
80 | case EISA_PNP_ID (0xF13):\r | |
81 | //\r | |
82 | // PS/2 Port for PS/2-style Mice\r | |
83 | //\r | |
84 | break;\r | |
85 | \r | |
86 | case EISA_PNP_ID (0x303):\r | |
87 | //\r | |
88 | // IBM Enhanced (101/102-key, PS/2 mouse support)\r | |
89 | //\r | |
90 | if (IsaIo->ResourceList->Device.UID == 1) {\r | |
91 | break;\r | |
92 | }\r | |
93 | \r | |
94 | default:\r | |
95 | Status = EFI_UNSUPPORTED;\r | |
96 | break;\r | |
97 | }\r | |
98 | //\r | |
99 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
100 | //\r | |
101 | gBS->CloseProtocol (\r | |
102 | Controller,\r | |
103 | &gEfiIsaIoProtocolGuid,\r | |
104 | This->DriverBindingHandle,\r | |
105 | Controller\r | |
106 | );\r | |
107 | \r | |
108 | return Status;\r | |
109 | }\r | |
110 | \r | |
111 | /**\r | |
112 | Start this driver on ControllerHandle by opening a IsaIo protocol, creating \r | |
113 | PS2_MOUSE_ABSOLUTE_POINTER_DEV device and install gEfiAbsolutePointerProtocolGuid\r | |
114 | finally.\r | |
115 | \r | |
116 | @param This Protocol instance pointer.\r | |
117 | @param ControllerHandle Handle of device to bind driver to\r | |
118 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
119 | device to start.\r | |
120 | \r | |
121 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
122 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
123 | @retval other This driver does not support this device\r | |
124 | \r | |
125 | **/\r | |
126 | EFI_STATUS\r | |
127 | EFIAPI\r | |
128 | PS2MouseDriverStart (\r | |
129 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
130 | IN EFI_HANDLE Controller,\r | |
131 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
132 | )\r | |
133 | {\r | |
134 | EFI_STATUS Status;\r | |
135 | EFI_STATUS EmptyStatus;\r | |
136 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
137 | PS2_MOUSE_DEV *MouseDev;\r | |
138 | UINT8 Data;\r | |
139 | EFI_TPL OldTpl;\r | |
140 | EFI_STATUS_CODE_VALUE StatusCode;\r | |
141 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
142 | \r | |
143 | StatusCode = 0;\r | |
144 | MouseDev = NULL;\r | |
145 | IsaIo = NULL;\r | |
146 | \r | |
147 | //\r | |
148 | // Open the device path protocol\r | |
149 | //\r | |
150 | Status = gBS->OpenProtocol (\r | |
151 | Controller,\r | |
152 | &gEfiDevicePathProtocolGuid,\r | |
153 | (VOID **) &ParentDevicePath,\r | |
154 | This->DriverBindingHandle,\r | |
155 | Controller,\r | |
156 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
157 | );\r | |
158 | if (EFI_ERROR (Status)) {\r | |
159 | return Status;\r | |
160 | }\r | |
161 | //\r | |
162 | // Report that the keyboard is being enabled\r | |
163 | //\r | |
164 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
165 | EFI_PROGRESS_CODE,\r | |
166 | EFI_PERIPHERAL_MOUSE | EFI_P_PC_ENABLE,\r | |
167 | ParentDevicePath\r | |
168 | );\r | |
169 | \r | |
170 | //\r | |
171 | // Get the ISA I/O Protocol on Controller's handle\r | |
172 | //\r | |
173 | Status = gBS->OpenProtocol (\r | |
174 | Controller,\r | |
175 | &gEfiIsaIoProtocolGuid,\r | |
176 | (VOID **) &IsaIo,\r | |
177 | This->DriverBindingHandle,\r | |
178 | Controller,\r | |
179 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
180 | );\r | |
181 | if (EFI_ERROR (Status)) {\r | |
182 | gBS->CloseProtocol (\r | |
183 | Controller,\r | |
184 | &gEfiDevicePathProtocolGuid,\r | |
185 | This->DriverBindingHandle,\r | |
186 | Controller\r | |
187 | );\r | |
188 | return EFI_INVALID_PARAMETER;\r | |
189 | }\r | |
190 | //\r | |
191 | // Raise TPL to avoid keyboard operation impact\r | |
192 | //\r | |
193 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
194 | \r | |
195 | //\r | |
196 | // Allocate private data\r | |
197 | //\r | |
198 | MouseDev = AllocateZeroPool (sizeof (PS2_MOUSE_DEV));\r | |
199 | if (MouseDev == NULL) {\r | |
200 | Status = EFI_OUT_OF_RESOURCES;\r | |
201 | goto ErrorExit;\r | |
202 | }\r | |
203 | //\r | |
204 | // Setup the device instance\r | |
205 | //\r | |
206 | MouseDev->Signature = PS2_MOUSE_DEV_SIGNATURE;\r | |
207 | MouseDev->Handle = Controller;\r | |
208 | MouseDev->SampleRate = SampleRate20;\r | |
209 | MouseDev->Resolution = MouseResolution4;\r | |
210 | MouseDev->Scaling = Scaling1;\r | |
211 | MouseDev->DataPackageSize = 3;\r | |
212 | MouseDev->IsaIo = IsaIo;\r | |
213 | MouseDev->DevicePath = ParentDevicePath;\r | |
214 | \r | |
215 | //\r | |
216 | // Resolution = 4 counts/mm\r | |
217 | //\r | |
218 | MouseDev->Mode.ResolutionX = 4;\r | |
219 | MouseDev->Mode.ResolutionY = 4;\r | |
220 | MouseDev->Mode.LeftButton = TRUE;\r | |
221 | MouseDev->Mode.RightButton = TRUE;\r | |
222 | \r | |
223 | MouseDev->SimplePointerProtocol.Reset = MouseReset;\r | |
224 | MouseDev->SimplePointerProtocol.GetState = MouseGetState;\r | |
225 | MouseDev->SimplePointerProtocol.Mode = &(MouseDev->Mode);\r | |
226 | \r | |
227 | //\r | |
228 | // Initialize keyboard controller if necessary\r | |
229 | //\r | |
230 | IsaIo->Io.Read (IsaIo, EfiIsaIoWidthUint8, KBC_CMD_STS_PORT, 1, &Data);\r | |
231 | //\r | |
232 | // Fix for random hangs in System waiting for the Key if no KBC is present in BIOS.\r | |
233 | //\r | |
234 | if ((Data & (KBC_PARE | KBC_TIM)) == (KBC_PARE | KBC_TIM)) {\r | |
235 | //\r | |
236 | // If nobody decodes KBC I/O port, it will read back as 0xFF.\r | |
237 | // Check the Time-Out and Parity bit to see if it has an active KBC in system\r | |
238 | //\r | |
239 | Status = EFI_DEVICE_ERROR;\r | |
240 | StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_NOT_DETECTED;\r | |
241 | goto ErrorExit;\r | |
242 | } \r | |
243 | \r | |
244 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
245 | EFI_PROGRESS_CODE,\r | |
246 | EFI_PERIPHERAL_MOUSE | EFI_P_MOUSE_PC_SELF_TEST,\r | |
247 | ParentDevicePath\r | |
248 | );\r | |
249 | \r | |
250 | if ((Data & KBC_SYSF) != KBC_SYSF) {\r | |
251 | Status = KbcSelfTest (IsaIo);\r | |
252 | if (EFI_ERROR (Status)) {\r | |
253 | StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_CONTROLLER_ERROR;\r | |
254 | goto ErrorExit;\r | |
255 | }\r | |
256 | }\r | |
257 | \r | |
258 | KbcEnableAux (IsaIo);\r | |
259 | \r | |
260 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
261 | EFI_PROGRESS_CODE,\r | |
262 | EFI_PERIPHERAL_MOUSE | EFI_P_PC_PRESENCE_DETECT,\r | |
263 | ParentDevicePath\r | |
264 | );\r | |
265 | \r | |
266 | //\r | |
267 | // Reset the mouse\r | |
268 | //\r | |
269 | Status = MouseDev->SimplePointerProtocol.Reset (\r | |
270 | &MouseDev->SimplePointerProtocol,\r | |
271 | FeaturePcdGet (PcdPs2MouseExtendedVerification)\r | |
272 | );\r | |
273 | if (EFI_ERROR (Status)) {\r | |
274 | //\r | |
275 | // mouse not connected\r | |
276 | //\r | |
277 | Status = EFI_SUCCESS;\r | |
278 | StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_NOT_DETECTED;\r | |
279 | goto ErrorExit;\r | |
280 | }\r | |
281 | //\r | |
282 | // Setup the WaitForKey event\r | |
283 | //\r | |
284 | Status = gBS->CreateEvent (\r | |
285 | EVT_NOTIFY_WAIT,\r | |
286 | TPL_NOTIFY,\r | |
287 | MouseWaitForInput,\r | |
288 | MouseDev,\r | |
289 | &((MouseDev->SimplePointerProtocol).WaitForInput)\r | |
290 | );\r | |
291 | if (EFI_ERROR (Status)) {\r | |
292 | Status = EFI_OUT_OF_RESOURCES;\r | |
293 | goto ErrorExit;\r | |
294 | }\r | |
295 | //\r | |
296 | // Setup a periodic timer, used to poll mouse state\r | |
297 | //\r | |
298 | Status = gBS->CreateEvent (\r | |
299 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
300 | TPL_NOTIFY,\r | |
301 | PollMouse,\r | |
302 | MouseDev,\r | |
303 | &MouseDev->TimerEvent\r | |
304 | );\r | |
305 | if (EFI_ERROR (Status)) {\r | |
306 | Status = EFI_OUT_OF_RESOURCES;\r | |
307 | goto ErrorExit;\r | |
308 | }\r | |
309 | //\r | |
310 | // Start timer to poll mouse (100 samples per second)\r | |
311 | //\r | |
312 | Status = gBS->SetTimer (MouseDev->TimerEvent, TimerPeriodic, 100000);\r | |
313 | if (EFI_ERROR (Status)) {\r | |
314 | Status = EFI_OUT_OF_RESOURCES;\r | |
315 | goto ErrorExit;\r | |
316 | }\r | |
317 | \r | |
318 | MouseDev->ControllerNameTable = NULL;\r | |
319 | AddUnicodeString2 (\r | |
320 | "eng",\r | |
321 | gPs2MouseComponentName.SupportedLanguages,\r | |
322 | &MouseDev->ControllerNameTable,\r | |
323 | L"PS/2 Mouse Device",\r | |
324 | TRUE\r | |
325 | );\r | |
326 | AddUnicodeString2 (\r | |
327 | "en",\r | |
328 | gPs2MouseComponentName2.SupportedLanguages,\r | |
329 | &MouseDev->ControllerNameTable,\r | |
330 | L"PS/2 Mouse Device",\r | |
331 | FALSE\r | |
332 | );\r | |
333 | \r | |
334 | \r | |
335 | //\r | |
336 | // Install protocol interfaces for the mouse device.\r | |
337 | //\r | |
338 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
339 | &Controller,\r | |
340 | &gEfiSimplePointerProtocolGuid,\r | |
341 | &MouseDev->SimplePointerProtocol,\r | |
342 | NULL\r | |
343 | );\r | |
344 | if (EFI_ERROR (Status)) {\r | |
345 | goto ErrorExit;\r | |
346 | }\r | |
347 | \r | |
348 | gBS->RestoreTPL (OldTpl);\r | |
349 | \r | |
350 | return Status;\r | |
351 | \r | |
352 | ErrorExit:\r | |
353 | \r | |
354 | if (Status != EFI_DEVICE_ERROR) {\r | |
355 | KbcDisableAux (IsaIo);\r | |
356 | }\r | |
357 | \r | |
358 | if (StatusCode != 0) {\r | |
359 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
360 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
361 | StatusCode,\r | |
362 | ParentDevicePath\r | |
363 | );\r | |
364 | }\r | |
365 | \r | |
366 | if ((MouseDev != NULL) && (MouseDev->SimplePointerProtocol.WaitForInput != NULL)) {\r | |
367 | gBS->CloseEvent (MouseDev->SimplePointerProtocol.WaitForInput);\r | |
368 | }\r | |
369 | \r | |
370 | if ((MouseDev != NULL) && (MouseDev->TimerEvent != NULL)) {\r | |
371 | gBS->CloseEvent (MouseDev->TimerEvent);\r | |
372 | }\r | |
373 | \r | |
374 | if ((MouseDev != NULL) && (MouseDev->ControllerNameTable != NULL)) {\r | |
375 | FreeUnicodeStringTable (MouseDev->ControllerNameTable);\r | |
376 | }\r | |
377 | \r | |
378 | if (Status != EFI_DEVICE_ERROR) {\r | |
379 | //\r | |
380 | // Since there will be no timer handler for mouse input any more,\r | |
381 | // exhaust input data just in case there is still mouse data left\r | |
382 | //\r | |
383 | EmptyStatus = EFI_SUCCESS;\r | |
384 | while (!EFI_ERROR (EmptyStatus)) {\r | |
385 | EmptyStatus = In8042Data (IsaIo, &Data);\r | |
386 | }\r | |
387 | }\r | |
388 | \r | |
389 | if (MouseDev != NULL) {\r | |
390 | FreePool (MouseDev);\r | |
391 | }\r | |
392 | \r | |
393 | gBS->CloseProtocol (\r | |
394 | Controller,\r | |
395 | &gEfiDevicePathProtocolGuid,\r | |
396 | This->DriverBindingHandle,\r | |
397 | Controller\r | |
398 | );\r | |
399 | \r | |
400 | gBS->CloseProtocol (\r | |
401 | Controller,\r | |
402 | &gEfiIsaIoProtocolGuid,\r | |
403 | This->DriverBindingHandle,\r | |
404 | Controller\r | |
405 | );\r | |
406 | \r | |
407 | gBS->RestoreTPL (OldTpl);\r | |
408 | \r | |
409 | return Status;\r | |
410 | }\r | |
411 | \r | |
412 | /**\r | |
413 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
414 | created by this driver.\r | |
415 | \r | |
416 | @param This Protocol instance pointer.\r | |
417 | @param ControllerHandle Handle of device to stop driver on\r | |
418 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
419 | children is zero stop the entire bus driver.\r | |
420 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
421 | \r | |
422 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
423 | @retval other This driver was not removed from this device\r | |
424 | \r | |
425 | **/\r | |
426 | EFI_STATUS\r | |
427 | EFIAPI\r | |
428 | PS2MouseDriverStop (\r | |
429 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
430 | IN EFI_HANDLE Controller,\r | |
431 | IN UINTN NumberOfChildren,\r | |
432 | IN EFI_HANDLE *ChildHandleBuffer\r | |
433 | )\r | |
434 | {\r | |
435 | EFI_STATUS Status;\r | |
436 | EFI_SIMPLE_POINTER_PROTOCOL *SimplePointerProtocol;\r | |
437 | PS2_MOUSE_DEV *MouseDev;\r | |
438 | UINT8 Data;\r | |
439 | \r | |
440 | Status = gBS->OpenProtocol (\r | |
441 | Controller,\r | |
442 | &gEfiSimplePointerProtocolGuid,\r | |
443 | (VOID **) &SimplePointerProtocol,\r | |
444 | This->DriverBindingHandle,\r | |
445 | Controller,\r | |
446 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
447 | );\r | |
448 | if (EFI_ERROR (Status)) {\r | |
449 | return EFI_SUCCESS;\r | |
450 | }\r | |
451 | \r | |
452 | MouseDev = PS2_MOUSE_DEV_FROM_THIS (SimplePointerProtocol);\r | |
453 | \r | |
454 | //\r | |
455 | // Report that the keyboard is being disabled\r | |
456 | //\r | |
457 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
458 | EFI_PROGRESS_CODE,\r | |
459 | EFI_PERIPHERAL_MOUSE | EFI_P_PC_DISABLE,\r | |
460 | MouseDev->DevicePath\r | |
461 | );\r | |
462 | \r | |
463 | Status = gBS->UninstallProtocolInterface (\r | |
464 | Controller,\r | |
465 | &gEfiSimplePointerProtocolGuid,\r | |
466 | &MouseDev->SimplePointerProtocol\r | |
467 | );\r | |
468 | if (EFI_ERROR (Status)) {\r | |
469 | return Status;\r | |
470 | }\r | |
471 | \r | |
472 | //\r | |
473 | // Cancel mouse data polling timer, close timer event\r | |
474 | //\r | |
475 | gBS->SetTimer (MouseDev->TimerEvent, TimerCancel, 0);\r | |
476 | gBS->CloseEvent (MouseDev->TimerEvent);\r | |
477 | \r | |
478 | //\r | |
479 | // Since there will be no timer handler for mouse input any more,\r | |
480 | // exhaust input data just in case there is still mouse data left\r | |
481 | //\r | |
482 | Status = EFI_SUCCESS;\r | |
483 | while (!EFI_ERROR (Status)) {\r | |
484 | Status = In8042Data (MouseDev->IsaIo, &Data);\r | |
485 | }\r | |
486 | \r | |
487 | gBS->CloseEvent (MouseDev->SimplePointerProtocol.WaitForInput);\r | |
488 | FreeUnicodeStringTable (MouseDev->ControllerNameTable);\r | |
489 | FreePool (MouseDev);\r | |
490 | \r | |
491 | gBS->CloseProtocol (\r | |
492 | Controller,\r | |
493 | &gEfiDevicePathProtocolGuid,\r | |
494 | This->DriverBindingHandle,\r | |
495 | Controller\r | |
496 | );\r | |
497 | \r | |
498 | gBS->CloseProtocol (\r | |
499 | Controller,\r | |
500 | &gEfiIsaIoProtocolGuid,\r | |
501 | This->DriverBindingHandle,\r | |
502 | Controller\r | |
503 | );\r | |
504 | \r | |
505 | return EFI_SUCCESS;\r | |
506 | }\r | |
507 | \r | |
508 | /**\r | |
509 | Reset the Mouse and do BAT test for it, if ExtendedVerification isTRUE and there is a mouse device connectted to system\r | |
510 | \r | |
511 | @param This - Pointer of simple pointer Protocol.\r | |
512 | @param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.\r | |
513 | \r | |
514 | \r | |
515 | @retval EFI_SUCCESS - The command byte is written successfully.\r | |
516 | @retval EFI_DEVICE_ERROR - Errors occurred during reseting keyboard.\r | |
517 | \r | |
518 | **/\r | |
519 | EFI_STATUS\r | |
520 | EFIAPI\r | |
521 | MouseReset (\r | |
522 | IN EFI_SIMPLE_POINTER_PROTOCOL *This,\r | |
523 | IN BOOLEAN ExtendedVerification\r | |
524 | )\r | |
525 | {\r | |
526 | EFI_STATUS Status;\r | |
527 | PS2_MOUSE_DEV *MouseDev;\r | |
528 | EFI_TPL OldTpl;\r | |
529 | BOOLEAN KeyboardEnable;\r | |
530 | UINT8 Data;\r | |
531 | \r | |
532 | MouseDev = PS2_MOUSE_DEV_FROM_THIS (This);\r | |
533 | \r | |
534 | //\r | |
535 | // Report reset progress code\r | |
536 | //\r | |
537 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
538 | EFI_PROGRESS_CODE,\r | |
539 | EFI_PERIPHERAL_MOUSE | EFI_P_PC_RESET,\r | |
540 | MouseDev->DevicePath\r | |
541 | );\r | |
542 | \r | |
543 | KeyboardEnable = FALSE;\r | |
544 | \r | |
545 | //\r | |
546 | // Raise TPL to avoid keyboard operation impact\r | |
547 | //\r | |
548 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
549 | \r | |
550 | ZeroMem (&MouseDev->State, sizeof (EFI_SIMPLE_POINTER_STATE));\r | |
551 | MouseDev->StateChanged = FALSE;\r | |
552 | \r | |
553 | //\r | |
554 | // Exhaust input data\r | |
555 | //\r | |
556 | Status = EFI_SUCCESS;\r | |
557 | while (!EFI_ERROR (Status)) {\r | |
558 | Status = In8042Data (MouseDev->IsaIo, &Data);\r | |
559 | }\r | |
560 | \r | |
561 | CheckKbStatus (MouseDev->IsaIo, &KeyboardEnable);\r | |
562 | \r | |
563 | KbcDisableKb (MouseDev->IsaIo);\r | |
564 | \r | |
565 | MouseDev->IsaIo->Io.Read (MouseDev->IsaIo, EfiIsaIoWidthUint8, KBC_CMD_STS_PORT, 1, &Data);\r | |
566 | \r | |
567 | //\r | |
568 | // if there's data block on KBC data port, read it out\r | |
569 | //\r | |
570 | if ((Data & KBC_OUTB) == KBC_OUTB) {\r | |
571 | MouseDev->IsaIo->Io.Read (MouseDev->IsaIo, EfiIsaIoWidthUint8, KBC_DATA_PORT, 1, &Data);\r | |
572 | }\r | |
573 | \r | |
574 | Status = EFI_SUCCESS;\r | |
575 | //\r | |
576 | // The PS2 mouse driver reset behavior is always successfully return no matter wheater or not there is mouse connected to system.\r | |
577 | // This behavior is needed by performance speed. The following mouse command only succeessfully finish when mouse device is\r | |
578 | // connected to system, so if PS2 mouse device not connect to system or user not ask for, we skip the mouse configuration and enabling\r | |
579 | //\r | |
580 | if (ExtendedVerification && CheckMouseConnect (MouseDev)) {\r | |
581 | //\r | |
582 | // Send mouse reset command and set mouse default configure\r | |
583 | //\r | |
584 | Status = PS2MouseReset (MouseDev->IsaIo);\r | |
585 | if (EFI_ERROR (Status)) {\r | |
586 | Status = EFI_DEVICE_ERROR;\r | |
587 | goto Exit;\r | |
588 | }\r | |
589 | \r | |
590 | Status = PS2MouseSetSampleRate (MouseDev->IsaIo, MouseDev->SampleRate);\r | |
591 | if (EFI_ERROR (Status)) {\r | |
592 | Status = EFI_DEVICE_ERROR;\r | |
593 | goto Exit;\r | |
594 | }\r | |
595 | \r | |
596 | Status = PS2MouseSetResolution (MouseDev->IsaIo, MouseDev->Resolution);\r | |
597 | if (EFI_ERROR (Status)) {\r | |
598 | Status = EFI_DEVICE_ERROR;\r | |
599 | goto Exit;\r | |
600 | }\r | |
601 | \r | |
602 | Status = PS2MouseSetScaling (MouseDev->IsaIo, MouseDev->Scaling);\r | |
603 | if (EFI_ERROR (Status)) {\r | |
604 | Status = EFI_DEVICE_ERROR;\r | |
605 | goto Exit;\r | |
606 | }\r | |
607 | \r | |
608 | Status = PS2MouseEnable (MouseDev->IsaIo);\r | |
609 | if (EFI_ERROR (Status)) {\r | |
610 | Status = EFI_DEVICE_ERROR;\r | |
611 | goto Exit;\r | |
612 | }\r | |
613 | }\r | |
614 | Exit:\r | |
615 | gBS->RestoreTPL (OldTpl);\r | |
616 | \r | |
617 | if (KeyboardEnable) {\r | |
618 | KbcEnableKb (MouseDev->IsaIo);\r | |
619 | }\r | |
620 | \r | |
621 | return Status;\r | |
622 | }\r | |
623 | \r | |
624 | /**\r | |
625 | Check whether there is Ps/2 mouse device in system\r | |
626 | \r | |
627 | @param MouseDev - Mouse Private Data Structure\r | |
628 | \r | |
629 | @retval TRUE - Keyboard in System.\r | |
630 | @retval FALSE - Keyboard not in System.\r | |
631 | \r | |
632 | **/\r | |
633 | BOOLEAN\r | |
634 | CheckMouseConnect (\r | |
635 | IN PS2_MOUSE_DEV *MouseDev\r | |
636 | )\r | |
637 | \r | |
638 | {\r | |
639 | EFI_STATUS Status;\r | |
640 | \r | |
641 | Status = PS2MouseEnable (MouseDev->IsaIo);\r | |
642 | if (!EFI_ERROR (Status)) {\r | |
643 | return TRUE;\r | |
644 | }\r | |
645 | \r | |
646 | return FALSE;\r | |
647 | }\r | |
648 | \r | |
649 | /**\r | |
650 | Get and Clear mouse status.\r | |
651 | \r | |
652 | @param This - Pointer of simple pointer Protocol.\r | |
653 | @param State - Output buffer holding status.\r | |
654 | \r | |
655 | @retval EFI_INVALID_PARAMETER Output buffer is invalid.\r | |
656 | @retval EFI_NOT_READY Mouse is not changed status yet.\r | |
657 | @retval EFI_SUCCESS Mouse status is changed and get successful.\r | |
658 | **/\r | |
659 | EFI_STATUS\r | |
660 | EFIAPI\r | |
661 | MouseGetState (\r | |
662 | IN EFI_SIMPLE_POINTER_PROTOCOL *This,\r | |
663 | IN OUT EFI_SIMPLE_POINTER_STATE *State\r | |
664 | )\r | |
665 | {\r | |
666 | PS2_MOUSE_DEV *MouseDev;\r | |
667 | EFI_TPL OldTpl;\r | |
668 | \r | |
669 | MouseDev = PS2_MOUSE_DEV_FROM_THIS (This);\r | |
670 | \r | |
671 | if (State == NULL) {\r | |
672 | return EFI_INVALID_PARAMETER;\r | |
673 | }\r | |
674 | \r | |
675 | if (!MouseDev->StateChanged) {\r | |
676 | return EFI_NOT_READY;\r | |
677 | }\r | |
678 | \r | |
679 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
680 | CopyMem (State, &(MouseDev->State), sizeof (EFI_SIMPLE_POINTER_STATE));\r | |
681 | \r | |
682 | //\r | |
683 | // clear mouse state\r | |
684 | //\r | |
685 | MouseDev->State.RelativeMovementX = 0;\r | |
686 | MouseDev->State.RelativeMovementY = 0;\r | |
687 | MouseDev->State.RelativeMovementZ = 0;\r | |
688 | MouseDev->StateChanged = FALSE;\r | |
689 | gBS->RestoreTPL (OldTpl);\r | |
690 | \r | |
691 | return EFI_SUCCESS;\r | |
692 | }\r | |
693 | \r | |
694 | /**\r | |
695 | \r | |
696 | Event notification function for SIMPLE_POINTER.WaitForInput event.\r | |
697 | Signal the event if there is input from mouse.\r | |
698 | \r | |
699 | @param Event event object\r | |
700 | @param Context event context\r | |
701 | \r | |
702 | **/\r | |
703 | VOID\r | |
704 | EFIAPI\r | |
705 | MouseWaitForInput (\r | |
706 | IN EFI_EVENT Event,\r | |
707 | IN VOID *Context\r | |
708 | )\r | |
709 | {\r | |
710 | PS2_MOUSE_DEV *MouseDev;\r | |
711 | \r | |
712 | MouseDev = (PS2_MOUSE_DEV *) Context;\r | |
713 | \r | |
714 | //\r | |
715 | // Someone is waiting on the mouse event, if there's\r | |
716 | // input from mouse, signal the event\r | |
717 | //\r | |
718 | if (MouseDev->StateChanged) {\r | |
719 | gBS->SignalEvent (Event);\r | |
720 | }\r | |
721 | \r | |
722 | }\r | |
723 | \r | |
724 | /**\r | |
725 | Event notification function for TimerEvent event.\r | |
726 | If mouse device is connected to system, try to get the mouse packet data.\r | |
727 | \r | |
728 | @param Event - TimerEvent in PS2_MOUSE_DEV\r | |
729 | @param Context - Pointer to PS2_MOUSE_DEV structure\r | |
730 | \r | |
731 | **/\r | |
732 | VOID\r | |
733 | EFIAPI\r | |
734 | PollMouse (\r | |
735 | IN EFI_EVENT Event,\r | |
736 | IN VOID *Context\r | |
737 | )\r | |
738 | \r | |
739 | {\r | |
740 | PS2_MOUSE_DEV *MouseDev;\r | |
741 | \r | |
742 | MouseDev = (PS2_MOUSE_DEV *) Context;\r | |
743 | \r | |
744 | //\r | |
745 | // Polling mouse packet data\r | |
746 | //\r | |
747 | PS2MouseGetPacket (MouseDev);\r | |
748 | }\r | |
749 | \r | |
750 | /**\r | |
751 | The user Entry Point for module Ps2Mouse. The user code starts with this function.\r | |
752 | \r | |
753 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r | |
754 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
755 | \r | |
756 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
757 | @retval other Some error occurs when executing this entry point.\r | |
758 | \r | |
759 | **/\r | |
760 | EFI_STATUS\r | |
761 | EFIAPI\r | |
762 | InitializePs2Mouse(\r | |
763 | IN EFI_HANDLE ImageHandle,\r | |
764 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
765 | )\r | |
766 | {\r | |
767 | EFI_STATUS Status;\r | |
768 | \r | |
769 | //\r | |
770 | // Install driver model protocol(s).\r | |
771 | //\r | |
772 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
773 | ImageHandle,\r | |
774 | SystemTable,\r | |
775 | &gPS2MouseDriver,\r | |
776 | ImageHandle,\r | |
777 | &gPs2MouseComponentName,\r | |
778 | &gPs2MouseComponentName2\r | |
779 | );\r | |
780 | ASSERT_EFI_ERROR (Status);\r | |
781 | \r | |
782 | \r | |
783 | return Status;\r | |
784 | }\r | |
785 | \r |