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913cb9dc | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2006 - 2007, 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 | Ehci.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | \r | |
19 | Revision History\r | |
20 | \r | |
21 | **/\r | |
22 | \r | |
23 | \r | |
24 | #include "Ehci.h"\r | |
25 | \r | |
26 | //\r | |
27 | // Two arrays used to translate the EHCI port state (change)\r | |
28 | // to the UEFI protocol's port state (change).\r | |
29 | //\r | |
30 | USB_PORT_STATE_MAP mUsbPortStateMap[] = {\r | |
31 | {PORTSC_CONN, USB_PORT_STAT_CONNECTION},\r | |
32 | {PORTSC_ENABLED, USB_PORT_STAT_ENABLE},\r | |
33 | {PORTSC_SUSPEND, USB_PORT_STAT_SUSPEND},\r | |
34 | {PORTSC_OVERCUR, USB_PORT_STAT_OVERCURRENT},\r | |
35 | {PORTSC_RESET, USB_PORT_STAT_RESET},\r | |
36 | {PORTSC_POWER, USB_PORT_STAT_POWER},\r | |
37 | {PORTSC_OWNER, USB_PORT_STAT_OWNER}\r | |
38 | };\r | |
39 | \r | |
40 | USB_PORT_STATE_MAP mUsbPortChangeMap[] = {\r | |
41 | {PORTSC_CONN_CHANGE, USB_PORT_STAT_C_CONNECTION},\r | |
42 | {PORTSC_ENABLE_CHANGE, USB_PORT_STAT_C_ENABLE},\r | |
43 | {PORTSC_OVERCUR_CHANGE, USB_PORT_STAT_C_OVERCURRENT}\r | |
44 | };\r | |
45 | \r | |
46 | \r | |
47 | /**\r | |
48 | Retrieves the capablility of root hub ports.\r | |
49 | \r | |
50 | @param This This EFI_USB_HC_PROTOCOL instance.\r | |
51 | @param MaxSpeed Max speed supported by the controller\r | |
52 | @param PortNumber Number of the root hub ports.\r | |
53 | @param Is64BitCapable Whether the controller supports 64-bit memory\r | |
54 | addressing.\r | |
55 | \r | |
56 | @return EFI_SUCCESS : host controller capability were retrieved successfully.\r | |
57 | @return EFI_INVALID_PARAMETER : Either of the three capability pointer is NULL\r | |
58 | \r | |
59 | **/\r | |
60 | STATIC\r | |
61 | EFI_STATUS\r | |
62 | EFIAPI\r | |
63 | EhcGetCapability (\r | |
64 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
65 | OUT UINT8 *MaxSpeed,\r | |
66 | OUT UINT8 *PortNumber,\r | |
67 | OUT UINT8 *Is64BitCapable\r | |
68 | )\r | |
69 | {\r | |
70 | USB2_HC_DEV *Ehc;\r | |
71 | EFI_TPL OldTpl;\r | |
72 | \r | |
73 | if ((MaxSpeed == NULL) || (PortNumber == NULL) || (Is64BitCapable == NULL)) {\r | |
74 | return EFI_INVALID_PARAMETER;\r | |
75 | }\r | |
76 | \r | |
77 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
78 | Ehc = EHC_FROM_THIS (This);\r | |
79 | \r | |
80 | *MaxSpeed = EFI_USB_SPEED_HIGH;\r | |
81 | *PortNumber = (UINT8) (Ehc->HcStructParams & HCSP_NPORTS);\r | |
82 | *Is64BitCapable = (UINT8) (Ehc->HcCapParams & HCCP_64BIT);\r | |
83 | \r | |
84 | EHC_DEBUG (("EhcGetCapability: %d ports, 64 bit %d\n", *PortNumber, *Is64BitCapable));\r | |
85 | \r | |
86 | gBS->RestoreTPL (OldTpl);\r | |
87 | return EFI_SUCCESS;\r | |
88 | }\r | |
89 | \r | |
90 | \r | |
91 | /**\r | |
92 | Provides software reset for the USB host controller.\r | |
93 | \r | |
94 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
95 | @param Attributes A bit mask of the reset operation to perform.\r | |
96 | \r | |
97 | @return EFI_SUCCESS : The reset operation succeeded.\r | |
98 | @return EFI_INVALID_PARAMETER : Attributes is not valid.\r | |
99 | @return EFI_UNSUPPOURTED : The type of reset specified by Attributes is\r | |
100 | @return not currently supported by the host controller.\r | |
101 | @return EFI_DEVICE_ERROR : Host controller isn't halted to reset.\r | |
102 | \r | |
103 | **/\r | |
104 | STATIC\r | |
105 | EFI_STATUS\r | |
106 | EFIAPI\r | |
107 | EhcReset (\r | |
108 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
109 | IN UINT16 Attributes\r | |
110 | )\r | |
111 | {\r | |
112 | USB2_HC_DEV *Ehc;\r | |
113 | EFI_TPL OldTpl;\r | |
114 | EFI_STATUS Status;\r | |
115 | \r | |
116 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
117 | Ehc = EHC_FROM_THIS (This);\r | |
118 | \r | |
119 | switch (Attributes) {\r | |
120 | case EFI_USB_HC_RESET_GLOBAL:\r | |
121 | //\r | |
122 | // Flow through, same behavior as Host Controller Reset\r | |
123 | //\r | |
124 | case EFI_USB_HC_RESET_HOST_CONTROLLER:\r | |
125 | //\r | |
126 | // Host Controller must be Halt when Reset it\r | |
127 | //\r | |
128 | if (!EhcIsHalt (Ehc)) {\r | |
129 | Status = EhcHaltHC (Ehc, EHC_GENERIC_TIME);\r | |
130 | \r | |
131 | if (EFI_ERROR (Status)) {\r | |
132 | Status = EFI_DEVICE_ERROR;\r | |
133 | goto ON_EXIT;\r | |
134 | }\r | |
135 | }\r | |
136 | \r | |
137 | //\r | |
138 | // Clean up the asynchronous transfers, currently only\r | |
139 | // interrupt supports asynchronous operation.\r | |
140 | //\r | |
141 | EhciDelAllAsyncIntTransfers (Ehc);\r | |
142 | EhcAckAllInterrupt (Ehc);\r | |
143 | EhcFreeSched (Ehc);\r | |
144 | \r | |
145 | Status = EhcResetHC (Ehc, EHC_STALL_1_SECOND);\r | |
146 | \r | |
147 | if (EFI_ERROR (Status)) {\r | |
148 | goto ON_EXIT;\r | |
149 | }\r | |
150 | \r | |
151 | Status = EhcInitHC (Ehc);\r | |
152 | break;\r | |
153 | \r | |
154 | case EFI_USB_HC_RESET_GLOBAL_WITH_DEBUG:\r | |
155 | case EFI_USB_HC_RESET_HOST_WITH_DEBUG:\r | |
156 | Status = EFI_UNSUPPORTED;\r | |
157 | break;\r | |
158 | \r | |
159 | default:\r | |
160 | Status = EFI_INVALID_PARAMETER;\r | |
161 | }\r | |
162 | \r | |
163 | ON_EXIT:\r | |
164 | EHC_DEBUG (("EhcReset: exit status %r\n", Status));\r | |
165 | gBS->RestoreTPL (OldTpl);\r | |
166 | return Status;\r | |
167 | }\r | |
168 | \r | |
169 | \r | |
170 | /**\r | |
171 | Retrieve the current state of the USB host controller.\r | |
172 | \r | |
173 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
174 | @param State Variable to return the current host controller\r | |
175 | state.\r | |
176 | \r | |
177 | @return EFI_SUCCESS : Host controller state was returned in State.\r | |
178 | @return EFI_INVALID_PARAMETER : State is NULL.\r | |
179 | @return EFI_DEVICE_ERROR : An error was encountered while attempting to\r | |
180 | @return retrieve the host controller's current state.\r | |
181 | \r | |
182 | **/\r | |
183 | STATIC\r | |
184 | EFI_STATUS\r | |
185 | EFIAPI\r | |
186 | EhcGetState (\r | |
187 | IN CONST EFI_USB2_HC_PROTOCOL *This,\r | |
188 | OUT EFI_USB_HC_STATE *State\r | |
189 | )\r | |
190 | {\r | |
191 | EFI_TPL OldTpl;\r | |
192 | USB2_HC_DEV *Ehc;\r | |
193 | \r | |
194 | if (State == NULL) {\r | |
195 | return EFI_INVALID_PARAMETER;\r | |
196 | }\r | |
197 | \r | |
198 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
199 | Ehc = EHC_FROM_THIS (This);\r | |
200 | \r | |
201 | if (EHC_REG_BIT_IS_SET (Ehc, EHC_USBSTS_OFFSET, USBSTS_HALT)) {\r | |
202 | *State = EfiUsbHcStateHalt;\r | |
203 | } else {\r | |
204 | *State = EfiUsbHcStateOperational;\r | |
205 | }\r | |
206 | \r | |
207 | gBS->RestoreTPL (OldTpl);\r | |
208 | \r | |
209 | EHC_DEBUG (("EhcGetState: current state %d\n", *State));\r | |
210 | return EFI_SUCCESS;\r | |
211 | }\r | |
212 | \r | |
213 | \r | |
214 | /**\r | |
215 | Sets the USB host controller to a specific state.\r | |
216 | \r | |
217 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
218 | @param State The state of the host controller that will be set.\r | |
219 | \r | |
220 | @return EFI_SUCCESS : The USB host controller was successfully placed\r | |
221 | @return in the state specified by State.\r | |
222 | @return EFI_INVALID_PARAMETER : State is invalid.\r | |
223 | @return EFI_DEVICE_ERROR : Failed to set the state due to device error.\r | |
224 | \r | |
225 | **/\r | |
226 | STATIC\r | |
227 | EFI_STATUS\r | |
228 | EFIAPI\r | |
229 | EhcSetState (\r | |
230 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
231 | IN EFI_USB_HC_STATE State\r | |
232 | )\r | |
233 | {\r | |
234 | USB2_HC_DEV *Ehc;\r | |
235 | EFI_TPL OldTpl;\r | |
236 | EFI_STATUS Status;\r | |
237 | EFI_USB_HC_STATE CurState;\r | |
238 | \r | |
239 | Status = EhcGetState (This, &CurState);\r | |
240 | \r | |
241 | if (EFI_ERROR (Status)) {\r | |
242 | return EFI_DEVICE_ERROR;\r | |
243 | }\r | |
244 | \r | |
245 | if (CurState == State) {\r | |
246 | return EFI_SUCCESS;\r | |
247 | }\r | |
248 | \r | |
249 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
250 | Ehc = EHC_FROM_THIS (This);\r | |
251 | \r | |
252 | switch (State) {\r | |
253 | case EfiUsbHcStateHalt:\r | |
254 | Status = EhcHaltHC (Ehc, EHC_GENERIC_TIME);\r | |
255 | break;\r | |
256 | \r | |
257 | case EfiUsbHcStateOperational:\r | |
258 | if (EHC_REG_BIT_IS_SET (Ehc, EHC_USBSTS_OFFSET, USBSTS_SYS_ERROR)) {\r | |
259 | Status = EFI_DEVICE_ERROR;\r | |
260 | break;\r | |
261 | }\r | |
262 | \r | |
263 | Status = EhcRunHC (Ehc, EHC_GENERIC_TIME);\r | |
264 | break;\r | |
265 | \r | |
266 | case EfiUsbHcStateSuspend:\r | |
267 | Status = EFI_UNSUPPORTED;\r | |
268 | break;\r | |
269 | \r | |
270 | default:\r | |
271 | Status = EFI_INVALID_PARAMETER;\r | |
272 | }\r | |
273 | \r | |
274 | EHC_DEBUG (("EhcSetState: exit status %r\n", Status));\r | |
275 | gBS->RestoreTPL (OldTpl);\r | |
276 | return Status;\r | |
277 | }\r | |
278 | \r | |
279 | \r | |
280 | /**\r | |
281 | Retrieves the current status of a USB root hub port.\r | |
282 | \r | |
283 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
284 | @param PortNumber The root hub port to retrieve the state from. This\r | |
285 | value is zero-based.\r | |
286 | @param PortStatus Variable to receive the port state\r | |
287 | \r | |
288 | @return EFI_SUCCESS : The status of the USB root hub port specified\r | |
289 | @return by PortNumber was returned in PortStatus.\r | |
290 | @return EFI_INVALID_PARAMETER : PortNumber is invalid.\r | |
291 | @return EFI_DEVICE_ERROR : Can't read register\r | |
292 | \r | |
293 | **/\r | |
294 | STATIC\r | |
295 | EFI_STATUS\r | |
296 | EFIAPI\r | |
297 | EhcGetRootHubPortStatus (\r | |
298 | IN CONST EFI_USB2_HC_PROTOCOL *This,\r | |
299 | IN CONST UINT8 PortNumber,\r | |
300 | OUT EFI_USB_PORT_STATUS *PortStatus\r | |
301 | )\r | |
302 | {\r | |
303 | USB2_HC_DEV *Ehc;\r | |
304 | EFI_TPL OldTpl;\r | |
305 | UINT32 Offset;\r | |
306 | UINT32 State;\r | |
307 | UINT32 TotalPort;\r | |
308 | UINTN Index;\r | |
309 | UINTN MapSize;\r | |
310 | EFI_STATUS Status;\r | |
311 | \r | |
312 | if (PortStatus == NULL) {\r | |
313 | return EFI_INVALID_PARAMETER;\r | |
314 | }\r | |
315 | \r | |
316 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
317 | \r | |
318 | Ehc = EHC_FROM_THIS (This);\r | |
319 | Status = EFI_SUCCESS;\r | |
320 | \r | |
321 | TotalPort = (Ehc->HcStructParams & HCSP_NPORTS);\r | |
322 | \r | |
323 | if (PortNumber >= TotalPort) {\r | |
324 | Status = EFI_INVALID_PARAMETER;\r | |
325 | goto ON_EXIT;\r | |
326 | }\r | |
327 | \r | |
328 | Offset = (UINT32) (EHC_PORT_STAT_OFFSET + (4 * PortNumber));\r | |
329 | PortStatus->PortStatus = 0;\r | |
330 | PortStatus->PortChangeStatus = 0;\r | |
331 | \r | |
332 | State = EhcReadOpReg (Ehc, Offset);\r | |
333 | \r | |
334 | //\r | |
335 | // Identify device speed. If in K state, it is low speed.\r | |
336 | // If the port is enabled after reset, the device is of\r | |
337 | // high speed. The USB bus driver should retrieve the actual\r | |
338 | // port speed after reset.\r | |
339 | //\r | |
340 | if (EHC_BIT_IS_SET (State, PORTSC_LINESTATE_K)) {\r | |
341 | PortStatus->PortStatus |= USB_PORT_STAT_LOW_SPEED;\r | |
342 | \r | |
343 | } else if (EHC_BIT_IS_SET (State, PORTSC_ENABLED)) {\r | |
344 | PortStatus->PortStatus |= USB_PORT_STAT_HIGH_SPEED;\r | |
345 | }\r | |
346 | \r | |
347 | //\r | |
348 | // Convert the EHCI port/port change state to UEFI status\r | |
349 | //\r | |
350 | MapSize = sizeof (mUsbPortStateMap) / sizeof (USB_PORT_STATE_MAP);\r | |
351 | \r | |
352 | for (Index = 0; Index < MapSize; Index++) {\r | |
353 | if (EHC_BIT_IS_SET (State, mUsbPortStateMap[Index].HwState)) {\r | |
354 | PortStatus->PortStatus |= mUsbPortStateMap[Index].UefiState;\r | |
355 | }\r | |
356 | }\r | |
357 | \r | |
358 | MapSize = sizeof (mUsbPortChangeMap) / sizeof (USB_PORT_STATE_MAP);\r | |
359 | \r | |
360 | for (Index = 0; Index < MapSize; Index++) {\r | |
361 | if (EHC_BIT_IS_SET (State, mUsbPortChangeMap[Index].HwState)) {\r | |
362 | PortStatus->PortChangeStatus |= mUsbPortChangeMap[Index].UefiState;\r | |
363 | }\r | |
364 | }\r | |
365 | \r | |
366 | ON_EXIT:\r | |
367 | gBS->RestoreTPL (OldTpl);\r | |
368 | return Status;\r | |
369 | }\r | |
370 | \r | |
371 | \r | |
372 | /**\r | |
373 | Sets a feature for the specified root hub port.\r | |
374 | \r | |
375 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
376 | @param PortNumber Root hub port to set.\r | |
377 | @param PortFeature Feature to set\r | |
378 | \r | |
379 | @return EFI_SUCCESS : The feature specified by PortFeature was set\r | |
380 | @return EFI_INVALID_PARAMETER : PortNumber is invalid or PortFeature is invalid.\r | |
381 | @return EFI_DEVICE_ERROR : Can't read register\r | |
382 | \r | |
383 | **/\r | |
384 | STATIC\r | |
385 | EFI_STATUS\r | |
386 | EFIAPI\r | |
387 | EhcSetRootHubPortFeature (\r | |
388 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
389 | IN UINT8 PortNumber,\r | |
390 | IN EFI_USB_PORT_FEATURE PortFeature\r | |
391 | )\r | |
392 | {\r | |
393 | USB2_HC_DEV *Ehc;\r | |
394 | EFI_TPL OldTpl;\r | |
395 | UINT32 Offset;\r | |
396 | UINT32 State;\r | |
397 | UINT32 TotalPort;\r | |
398 | EFI_STATUS Status;\r | |
399 | \r | |
400 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
401 | Ehc = EHC_FROM_THIS (This);\r | |
402 | Status = EFI_SUCCESS;\r | |
403 | \r | |
404 | TotalPort = (Ehc->HcStructParams & HCSP_NPORTS);\r | |
405 | \r | |
406 | if (PortNumber >= TotalPort) {\r | |
407 | Status = EFI_INVALID_PARAMETER;\r | |
408 | goto ON_EXIT;\r | |
409 | }\r | |
410 | \r | |
411 | Offset = (UINT32) (EHC_PORT_STAT_OFFSET + (4 * PortNumber));\r | |
412 | State = EhcReadOpReg (Ehc, Offset);\r | |
413 | \r | |
414 | //\r | |
415 | // Mask off the port status change bits, these bits are\r | |
416 | // write clean bit\r | |
417 | //\r | |
418 | State &= ~PORTSC_CHANGE_MASK;\r | |
419 | \r | |
420 | switch (PortFeature) {\r | |
421 | case EfiUsbPortEnable:\r | |
422 | //\r | |
423 | // Sofeware can't set this bit, Port can only be enable by\r | |
424 | // EHCI as a part of the reset and enable\r | |
425 | //\r | |
426 | State |= PORTSC_ENABLED;\r | |
427 | EhcWriteOpReg (Ehc, Offset, State);\r | |
428 | break;\r | |
429 | \r | |
430 | case EfiUsbPortSuspend:\r | |
431 | State |= PORTSC_SUSPEND;\r | |
432 | EhcWriteOpReg (Ehc, Offset, State);\r | |
433 | break;\r | |
434 | \r | |
435 | case EfiUsbPortReset:\r | |
436 | //\r | |
437 | // Make sure Host Controller not halt before reset it\r | |
438 | //\r | |
439 | if (EhcIsHalt (Ehc)) {\r | |
440 | Status = EhcRunHC (Ehc, EHC_GENERIC_TIME);\r | |
441 | \r | |
442 | if (EFI_ERROR (Status)) {\r | |
443 | EHC_DEBUG (("EhcSetRootHubPortFeature :failed to start HC - %r\n", Status));\r | |
444 | break;\r | |
445 | }\r | |
446 | }\r | |
447 | \r | |
448 | //\r | |
449 | // Set one to PortReset bit must also set zero to PortEnable bit\r | |
450 | //\r | |
451 | State |= PORTSC_RESET;\r | |
452 | State &= ~PORTSC_ENABLED;\r | |
453 | EhcWriteOpReg (Ehc, Offset, State);\r | |
454 | break;\r | |
455 | \r | |
456 | case EfiUsbPortPower:\r | |
457 | //\r | |
458 | // Not supported, ignore the operation\r | |
459 | //\r | |
460 | Status = EFI_SUCCESS;\r | |
461 | break;\r | |
462 | \r | |
463 | case EfiUsbPortOwner:\r | |
464 | State |= PORTSC_OWNER;\r | |
465 | EhcWriteOpReg (Ehc, Offset, State);\r | |
466 | break;\r | |
467 | \r | |
468 | default:\r | |
469 | Status = EFI_INVALID_PARAMETER;\r | |
470 | }\r | |
471 | \r | |
472 | ON_EXIT:\r | |
473 | EHC_DEBUG (("EhcSetRootHubPortFeature: exit status %r\n", Status));\r | |
474 | \r | |
475 | gBS->RestoreTPL (OldTpl);\r | |
476 | return Status;\r | |
477 | }\r | |
478 | \r | |
479 | \r | |
480 | /**\r | |
481 | Clears a feature for the specified root hub port.\r | |
482 | \r | |
483 | @param This A pointer to the EFI_USB2_HC_PROTOCOL instance.\r | |
484 | @param PortNumber Specifies the root hub port whose feature is\r | |
485 | requested to be cleared.\r | |
486 | @param PortFeature Indicates the feature selector associated with the\r | |
487 | feature clear request.\r | |
488 | \r | |
489 | @return EFI_SUCCESS : The feature specified by PortFeature was cleared\r | |
490 | @return for the USB root hub port specified by PortNumber.\r | |
491 | @return EFI_INVALID_PARAMETER : PortNumber is invalid or PortFeature is invalid.\r | |
492 | @return EFI_DEVICE_ERROR : Can't read register\r | |
493 | \r | |
494 | **/\r | |
495 | STATIC\r | |
496 | EFI_STATUS\r | |
497 | EFIAPI\r | |
498 | EhcClearRootHubPortFeature (\r | |
499 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
500 | IN UINT8 PortNumber,\r | |
501 | IN EFI_USB_PORT_FEATURE PortFeature\r | |
502 | )\r | |
503 | {\r | |
504 | USB2_HC_DEV *Ehc;\r | |
505 | EFI_TPL OldTpl;\r | |
506 | UINT32 Offset;\r | |
507 | UINT32 State;\r | |
508 | UINT32 TotalPort;\r | |
509 | EFI_STATUS Status;\r | |
510 | \r | |
511 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
512 | Ehc = EHC_FROM_THIS (This);\r | |
513 | Status = EFI_SUCCESS;\r | |
514 | \r | |
515 | TotalPort = (Ehc->HcStructParams & HCSP_NPORTS);\r | |
516 | \r | |
517 | if (PortNumber >= TotalPort) {\r | |
518 | Status = EFI_INVALID_PARAMETER;\r | |
519 | goto ON_EXIT;\r | |
520 | }\r | |
521 | \r | |
522 | Offset = EHC_PORT_STAT_OFFSET + (4 * PortNumber);\r | |
523 | State = EhcReadOpReg (Ehc, Offset);\r | |
524 | State &= ~PORTSC_CHANGE_MASK;\r | |
525 | \r | |
526 | switch (PortFeature) {\r | |
527 | case EfiUsbPortEnable:\r | |
528 | //\r | |
529 | // Clear PORT_ENABLE feature means disable port.\r | |
530 | //\r | |
531 | State &= ~PORTSC_ENABLED;\r | |
532 | EhcWriteOpReg (Ehc, Offset, State);\r | |
533 | break;\r | |
534 | \r | |
535 | case EfiUsbPortSuspend:\r | |
536 | //\r | |
537 | // A write of zero to this bit is ignored by the host\r | |
538 | // controller. The host controller will unconditionally\r | |
539 | // set this bit to a zero when:\r | |
540 | // 1. software sets the Forct Port Resume bit to a zero from a one.\r | |
541 | // 2. software sets the Port Reset bit to a one frome a zero.\r | |
542 | //\r | |
543 | State &= ~PORSTSC_RESUME;\r | |
544 | EhcWriteOpReg (Ehc, Offset, State);\r | |
545 | break;\r | |
546 | \r | |
547 | case EfiUsbPortReset:\r | |
548 | //\r | |
549 | // Clear PORT_RESET means clear the reset signal.\r | |
550 | //\r | |
551 | State &= ~PORTSC_RESET;\r | |
552 | EhcWriteOpReg (Ehc, Offset, State);\r | |
553 | break;\r | |
554 | \r | |
555 | case EfiUsbPortOwner:\r | |
556 | //\r | |
557 | // Clear port owner means this port owned by EHC\r | |
558 | //\r | |
559 | State &= ~PORTSC_OWNER;\r | |
560 | EhcWriteOpReg (Ehc, Offset, State);\r | |
561 | break;\r | |
562 | \r | |
563 | case EfiUsbPortConnectChange:\r | |
564 | //\r | |
565 | // Clear connect status change\r | |
566 | //\r | |
567 | State |= PORTSC_CONN_CHANGE;\r | |
568 | EhcWriteOpReg (Ehc, Offset, State);\r | |
569 | break;\r | |
570 | \r | |
571 | case EfiUsbPortEnableChange:\r | |
572 | //\r | |
573 | // Clear enable status change\r | |
574 | //\r | |
575 | State |= PORTSC_ENABLE_CHANGE;\r | |
576 | EhcWriteOpReg (Ehc, Offset, State);\r | |
577 | break;\r | |
578 | \r | |
579 | case EfiUsbPortOverCurrentChange:\r | |
580 | //\r | |
581 | // Clear PortOverCurrent change\r | |
582 | //\r | |
583 | State |= PORTSC_OVERCUR_CHANGE;\r | |
584 | EhcWriteOpReg (Ehc, Offset, State);\r | |
585 | break;\r | |
586 | \r | |
587 | case EfiUsbPortPower:\r | |
588 | case EfiUsbPortSuspendChange:\r | |
589 | case EfiUsbPortResetChange:\r | |
590 | //\r | |
591 | // Not supported or not related operation\r | |
592 | //\r | |
593 | break;\r | |
594 | \r | |
595 | default:\r | |
596 | Status = EFI_INVALID_PARAMETER;\r | |
597 | break;\r | |
598 | }\r | |
599 | \r | |
600 | ON_EXIT:\r | |
601 | EHC_DEBUG (("EhcClearRootHubPortFeature: exit status %r\n", Status));\r | |
602 | gBS->RestoreTPL (OldTpl);\r | |
603 | return Status;\r | |
604 | }\r | |
605 | \r | |
606 | \r | |
607 | /**\r | |
608 | Submits control transfer to a target USB device.\r | |
609 | \r | |
610 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
611 | @param DeviceAddress The target device address\r | |
612 | @param DeviceSpeed Target device speed.\r | |
613 | @param MaximumPacketLength Maximum packet size the default control transfer\r | |
614 | endpoint is capable of sending or receiving.\r | |
615 | @param Request USB device request to send\r | |
616 | @param TransferDirection Specifies the data direction for the data stage\r | |
617 | @param Data Data buffer to be transmitted or received from USB\r | |
618 | device.\r | |
619 | @param DataLength The size (in bytes) of the data buffer\r | |
620 | @param TimeOut Indicates the maximum timeout, in millisecond,\r | |
621 | @param Translator Transaction translator to be used by this device.\r | |
622 | @param TransferResult Return the result of this control transfer.\r | |
623 | \r | |
624 | @return EFI_SUCCESS : Transfer was completed successfully.\r | |
625 | @return EFI_OUT_OF_RESOURCES : The transfer failed due to lack of resources.\r | |
626 | @return EFI_INVALID_PARAMETER : Some parameters are invalid.\r | |
627 | @return EFI_TIMEOUT : Transfer failed due to timeout.\r | |
628 | @return EFI_DEVICE_ERROR : Transfer failed due to host controller or device error.\r | |
629 | \r | |
630 | **/\r | |
631 | STATIC\r | |
632 | EFI_STATUS\r | |
633 | EFIAPI\r | |
634 | EhcControlTransfer (\r | |
635 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
636 | IN UINT8 DeviceAddress,\r | |
637 | IN UINT8 DeviceSpeed,\r | |
638 | IN UINTN MaximumPacketLength,\r | |
639 | IN EFI_USB_DEVICE_REQUEST *Request,\r | |
640 | IN EFI_USB_DATA_DIRECTION TransferDirection,\r | |
641 | IN OUT VOID *Data,\r | |
642 | IN OUT UINTN *DataLength,\r | |
643 | IN UINTN TimeOut,\r | |
644 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r | |
645 | OUT UINT32 *TransferResult\r | |
646 | )\r | |
647 | {\r | |
648 | USB2_HC_DEV *Ehc;\r | |
649 | URB *Urb;\r | |
650 | EFI_TPL OldTpl;\r | |
651 | UINT8 Endpoint;\r | |
652 | EFI_STATUS Status;\r | |
653 | \r | |
654 | //\r | |
655 | // Validate parameters\r | |
656 | //\r | |
657 | if ((Request == NULL) || (TransferResult == NULL)) {\r | |
658 | return EFI_INVALID_PARAMETER;\r | |
659 | }\r | |
660 | \r | |
661 | if ((TransferDirection != EfiUsbDataIn) &&\r | |
662 | (TransferDirection != EfiUsbDataOut) &&\r | |
663 | (TransferDirection != EfiUsbNoData)) {\r | |
664 | return EFI_INVALID_PARAMETER;\r | |
665 | }\r | |
666 | \r | |
667 | if ((TransferDirection == EfiUsbNoData) &&\r | |
668 | ((Data != NULL) || (*DataLength != 0))) {\r | |
669 | return EFI_INVALID_PARAMETER;\r | |
670 | }\r | |
671 | \r | |
672 | if ((TransferDirection != EfiUsbNoData) &&\r | |
673 | ((Data == NULL) || (*DataLength == 0))) {\r | |
674 | return EFI_INVALID_PARAMETER;\r | |
675 | }\r | |
676 | \r | |
677 | if ((MaximumPacketLength != 8) && (MaximumPacketLength != 16) &&\r | |
678 | (MaximumPacketLength != 32) && (MaximumPacketLength != 64)) {\r | |
679 | return EFI_INVALID_PARAMETER;\r | |
680 | }\r | |
681 | \r | |
682 | if ((DeviceSpeed == EFI_USB_SPEED_LOW) && (MaximumPacketLength != 8)) {\r | |
683 | return EFI_INVALID_PARAMETER;\r | |
684 | }\r | |
685 | \r | |
686 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
687 | Ehc = EHC_FROM_THIS (This);\r | |
688 | \r | |
689 | Status = EFI_DEVICE_ERROR;\r | |
690 | *TransferResult = EFI_USB_ERR_SYSTEM;\r | |
691 | \r | |
692 | if (EhcIsHalt (Ehc) || EhcIsSysError (Ehc)) {\r | |
693 | EHC_ERROR (("EhcControlTransfer: HC halted at entrance\n"));\r | |
694 | \r | |
695 | EhcAckAllInterrupt (Ehc);\r | |
696 | goto ON_EXIT;\r | |
697 | }\r | |
698 | \r | |
699 | EhcAckAllInterrupt (Ehc);\r | |
700 | \r | |
701 | //\r | |
702 | // Create a new URB, insert it into the asynchronous\r | |
703 | // schedule list, then poll the execution status.\r | |
704 | //\r | |
705 | //\r | |
706 | // Encode the direction in address, although default control\r | |
707 | // endpoint is bidirectional. EhcCreateUrb expects this\r | |
708 | // combination of Ep addr and its direction.\r | |
709 | //\r | |
710 | Endpoint = 0 | ((TransferDirection == EfiUsbDataIn) ? 0x80 : 0);\r | |
711 | Urb = EhcCreateUrb (\r | |
712 | Ehc,\r | |
713 | DeviceAddress,\r | |
714 | Endpoint,\r | |
715 | DeviceSpeed,\r | |
716 | 0,\r | |
717 | MaximumPacketLength,\r | |
718 | Translator,\r | |
719 | EHC_CTRL_TRANSFER,\r | |
720 | Request,\r | |
721 | Data,\r | |
722 | *DataLength,\r | |
723 | NULL,\r | |
724 | NULL,\r | |
725 | 1\r | |
726 | );\r | |
727 | \r | |
728 | if (Urb == NULL) {\r | |
729 | EHC_ERROR (("EhcControlTransfer: failed to create URB"));\r | |
730 | \r | |
731 | Status = EFI_OUT_OF_RESOURCES;\r | |
732 | goto ON_EXIT;\r | |
733 | }\r | |
734 | \r | |
735 | EhcLinkQhToAsync (Ehc, Urb->Qh);\r | |
736 | Status = EhcExecTransfer (Ehc, Urb, TimeOut);\r | |
737 | EhcUnlinkQhFromAsync (Ehc, Urb->Qh);\r | |
738 | \r | |
739 | //\r | |
740 | // Get the status from URB. The result is updated in EhcCheckUrbResult\r | |
741 | // which is called by EhcExecTransfer\r | |
742 | //\r | |
743 | *TransferResult = Urb->Result;\r | |
744 | *DataLength = Urb->Completed;\r | |
745 | \r | |
746 | if (*TransferResult == EFI_USB_NOERROR) {\r | |
747 | Status = EFI_SUCCESS;\r | |
748 | }\r | |
749 | \r | |
750 | EhcAckAllInterrupt (Ehc);\r | |
751 | EhcFreeUrb (Ehc, Urb);\r | |
752 | \r | |
753 | ON_EXIT:\r | |
754 | Ehc->PciIo->Flush (Ehc->PciIo);\r | |
755 | gBS->RestoreTPL (OldTpl);\r | |
756 | \r | |
757 | if (EFI_ERROR (Status)) {\r | |
758 | EHC_ERROR (("EhcControlTransfer: error - %r, transfer - %x\n", Status, *TransferResult));\r | |
759 | }\r | |
760 | \r | |
761 | return Status;\r | |
762 | }\r | |
763 | \r | |
764 | \r | |
765 | /**\r | |
766 | Submits bulk transfer to a bulk endpoint of a USB device.\r | |
767 | \r | |
768 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
769 | @param DeviceAddress Target device address\r | |
770 | @param EndPointAddress Endpoint number and its direction in bit 7. .\r | |
771 | @param DeviceSpeed Device speed, Low speed device doesn't support bulk\r | |
772 | transfer.\r | |
773 | @param MaximumPacketLength Maximum packet size the endpoint is capable of\r | |
774 | sending or receiving.\r | |
775 | @param DataBuffersNumber Number of data buffers prepared for the transfer.\r | |
776 | @param Data Array of pointers to the buffers of data to transmit\r | |
777 | from or receive into.\r | |
778 | @param DataLength The lenght of the data buffer\r | |
779 | @param DataToggle On input, the initial data toggle for the transfer;\r | |
780 | On output, it is updated to to next data toggle to\r | |
781 | use of the subsequent bulk\r | |
782 | transfer.\r | |
783 | @param Translator A pointr to the transaction translator data.\r | |
784 | @param TimeOut Indicates the maximum time, in millisecond, which\r | |
785 | the transfer is allowed to complete.\r | |
786 | @param TransferResult A pointer to the detailed result information of the\r | |
787 | bulk transfer.\r | |
788 | \r | |
789 | @return EFI_SUCCESS : The transfer was completed successfully.\r | |
790 | @return EFI_OUT_OF_RESOURCES : The transfer failed due to lack of resource.\r | |
791 | @return EFI_INVALID_PARAMETER : Some parameters are invalid.\r | |
792 | @return EFI_TIMEOUT : The transfer failed due to timeout.\r | |
793 | @return EFI_DEVICE_ERROR : The transfer failed due to host controller error.\r | |
794 | \r | |
795 | **/\r | |
796 | STATIC\r | |
797 | EFI_STATUS\r | |
798 | EFIAPI\r | |
799 | EhcBulkTransfer (\r | |
800 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
801 | IN UINT8 DeviceAddress,\r | |
802 | IN UINT8 EndPointAddress,\r | |
803 | IN UINT8 DeviceSpeed,\r | |
804 | IN UINTN MaximumPacketLength,\r | |
805 | IN UINT8 DataBuffersNumber,\r | |
806 | IN OUT VOID *Data[EFI_USB_MAX_BULK_BUFFER_NUM],\r | |
807 | IN OUT UINTN *DataLength,\r | |
808 | IN OUT UINT8 *DataToggle,\r | |
809 | IN UINTN TimeOut,\r | |
810 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r | |
811 | OUT UINT32 *TransferResult\r | |
812 | )\r | |
813 | {\r | |
814 | USB2_HC_DEV *Ehc;\r | |
815 | URB *Urb;\r | |
816 | EFI_TPL OldTpl;\r | |
817 | EFI_STATUS Status;\r | |
818 | \r | |
819 | //\r | |
820 | // Validate the parameters\r | |
821 | //\r | |
822 | if ((DataLength == NULL) || (*DataLength == 0) ||\r | |
823 | (Data == NULL) || (Data[0] == NULL) || (TransferResult == NULL)) {\r | |
824 | return EFI_INVALID_PARAMETER;\r | |
825 | }\r | |
826 | \r | |
827 | if ((*DataToggle != 0) && (*DataToggle != 1)) {\r | |
828 | return EFI_INVALID_PARAMETER;\r | |
829 | }\r | |
830 | \r | |
831 | if ((DeviceSpeed == EFI_USB_SPEED_LOW) ||\r | |
832 | ((DeviceSpeed == EFI_USB_SPEED_FULL) && (MaximumPacketLength > 64)) ||\r | |
833 | ((EFI_USB_SPEED_HIGH == DeviceSpeed) && (MaximumPacketLength > 512))) {\r | |
834 | return EFI_INVALID_PARAMETER;\r | |
835 | }\r | |
836 | \r | |
837 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
838 | Ehc = EHC_FROM_THIS (This);\r | |
839 | \r | |
840 | *TransferResult = EFI_USB_ERR_SYSTEM;\r | |
841 | Status = EFI_DEVICE_ERROR;\r | |
842 | \r | |
843 | if (EhcIsHalt (Ehc) || EhcIsSysError (Ehc)) {\r | |
844 | EHC_ERROR (("EhcBulkTransfer: HC is halted\n"));\r | |
845 | \r | |
846 | EhcAckAllInterrupt (Ehc);\r | |
847 | goto ON_EXIT;\r | |
848 | }\r | |
849 | \r | |
850 | EhcAckAllInterrupt (Ehc);\r | |
851 | \r | |
852 | //\r | |
853 | // Create a new URB, insert it into the asynchronous\r | |
854 | // schedule list, then poll the execution status.\r | |
855 | //\r | |
856 | Urb = EhcCreateUrb (\r | |
857 | Ehc,\r | |
858 | DeviceAddress,\r | |
859 | EndPointAddress,\r | |
860 | DeviceSpeed,\r | |
861 | *DataToggle,\r | |
862 | MaximumPacketLength,\r | |
863 | Translator,\r | |
864 | EHC_BULK_TRANSFER,\r | |
865 | NULL,\r | |
866 | Data[0],\r | |
867 | *DataLength,\r | |
868 | NULL,\r | |
869 | NULL,\r | |
870 | 1\r | |
871 | );\r | |
872 | \r | |
873 | if (Urb == NULL) {\r | |
874 | EHC_ERROR (("EhcBulkTransfer: failed to create URB\n"));\r | |
875 | \r | |
876 | Status = EFI_OUT_OF_RESOURCES;\r | |
877 | goto ON_EXIT;\r | |
878 | }\r | |
879 | \r | |
880 | EhcLinkQhToAsync (Ehc, Urb->Qh);\r | |
881 | Status = EhcExecTransfer (Ehc, Urb, TimeOut);\r | |
882 | EhcUnlinkQhFromAsync (Ehc, Urb->Qh);\r | |
883 | \r | |
884 | *TransferResult = Urb->Result;\r | |
885 | *DataLength = Urb->Completed;\r | |
886 | *DataToggle = Urb->DataToggle;\r | |
887 | \r | |
888 | if (*TransferResult == EFI_USB_NOERROR) {\r | |
889 | Status = EFI_SUCCESS;\r | |
890 | }\r | |
891 | \r | |
892 | EhcAckAllInterrupt (Ehc);\r | |
893 | EhcFreeUrb (Ehc, Urb);\r | |
894 | \r | |
895 | ON_EXIT:\r | |
896 | Ehc->PciIo->Flush (Ehc->PciIo);\r | |
897 | gBS->RestoreTPL (OldTpl);\r | |
898 | \r | |
899 | if (EFI_ERROR (Status)) {\r | |
900 | EHC_ERROR (("EhcBulkTransfer: error - %r, transfer - %x\n", Status, *TransferResult));\r | |
901 | }\r | |
902 | \r | |
903 | return Status;\r | |
904 | }\r | |
905 | \r | |
906 | \r | |
907 | /**\r | |
908 | Submits an asynchronous interrupt transfer to an\r | |
909 | interrupt endpoint of a USB device.\r | |
910 | \r | |
911 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
912 | @param DeviceAddress Target device address\r | |
913 | @param EndPointAddress Endpoint number and its direction encoded in bit 7\r | |
914 | @param DeviceSpeed Indicates device speed.\r | |
915 | @param MaximumPacketLength Maximum packet size the target endpoint is capable\r | |
916 | @param IsNewTransfer If TRUE, to submit an new asynchronous interrupt\r | |
917 | transfer If FALSE, to remove the specified\r | |
918 | asynchronous interrupt\r | |
919 | @param DataToggle On input, the initial data toggle to use; on output,\r | |
920 | it is updated to indicate the next data toggle\r | |
921 | @param PollingInterval The he interval, in milliseconds, that the transfer\r | |
922 | is polled.\r | |
923 | @param DataLength The length of data to receive at the rate specified\r | |
924 | by PollingInterval.\r | |
925 | @param Translator Transaction translator to use.\r | |
926 | @param CallBackFunction Function to call at the rate specified by\r | |
927 | PollingInterval\r | |
928 | @param Context Context to CallBackFunction.\r | |
929 | \r | |
930 | @return EFI_SUCCESS : The request has been successfully submitted or canceled.\r | |
931 | @return EFI_INVALID_PARAMETER : Some parameters are invalid.\r | |
932 | @return EFI_OUT_OF_RESOURCES : The request failed due to a lack of resources.\r | |
933 | @return EFI_DEVICE_ERROR : The transfer failed due to host controller error.\r | |
934 | \r | |
935 | **/\r | |
936 | STATIC\r | |
937 | EFI_STATUS\r | |
938 | EFIAPI\r | |
939 | EhcAsyncInterruptTransfer (\r | |
940 | IN EFI_USB2_HC_PROTOCOL * This,\r | |
941 | IN UINT8 DeviceAddress,\r | |
942 | IN UINT8 EndPointAddress,\r | |
943 | IN UINT8 DeviceSpeed,\r | |
944 | IN UINTN MaximumPacketLength,\r | |
945 | IN BOOLEAN IsNewTransfer,\r | |
946 | IN OUT UINT8 *DataToggle,\r | |
947 | IN UINTN PollingInterval,\r | |
948 | IN UINTN DataLength,\r | |
949 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR * Translator,\r | |
950 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction,\r | |
951 | IN VOID *Context OPTIONAL\r | |
952 | )\r | |
953 | {\r | |
954 | USB2_HC_DEV *Ehc;\r | |
955 | URB *Urb;\r | |
956 | EFI_TPL OldTpl;\r | |
957 | EFI_STATUS Status;\r | |
958 | UINT8 *Data;\r | |
959 | \r | |
960 | //\r | |
961 | // Validate parameters\r | |
962 | //\r | |
963 | if (!EHCI_IS_DATAIN (EndPointAddress)) {\r | |
964 | return EFI_INVALID_PARAMETER;\r | |
965 | }\r | |
966 | \r | |
967 | if (IsNewTransfer) {\r | |
968 | if (DataLength == 0) {\r | |
969 | return EFI_INVALID_PARAMETER;\r | |
970 | }\r | |
971 | \r | |
972 | if ((*DataToggle != 1) && (*DataToggle != 0)) {\r | |
973 | return EFI_INVALID_PARAMETER;\r | |
974 | }\r | |
975 | \r | |
976 | if ((PollingInterval > 255) || (PollingInterval < 1)) {\r | |
977 | return EFI_INVALID_PARAMETER;\r | |
978 | }\r | |
979 | }\r | |
980 | \r | |
981 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
982 | Ehc = EHC_FROM_THIS (This);\r | |
983 | \r | |
984 | //\r | |
985 | // Delete Async interrupt transfer request. DataToggle will return\r | |
986 | // the next data toggle to use.\r | |
987 | //\r | |
988 | if (!IsNewTransfer) {\r | |
989 | Status = EhciDelAsyncIntTransfer (Ehc, DeviceAddress, EndPointAddress, DataToggle);\r | |
990 | \r | |
991 | EHC_DEBUG (("EhcAsyncInterruptTransfer: remove old transfer - %r\n", Status));\r | |
992 | goto ON_EXIT;\r | |
993 | }\r | |
994 | \r | |
995 | Status = EFI_SUCCESS;\r | |
996 | \r | |
997 | if (EhcIsHalt (Ehc) || EhcIsSysError (Ehc)) {\r | |
998 | EHC_ERROR (("EhcAsyncInterruptTransfer: HC is halt\n"));\r | |
999 | EhcAckAllInterrupt (Ehc);\r | |
1000 | \r | |
1001 | Status = EFI_DEVICE_ERROR;\r | |
1002 | goto ON_EXIT;\r | |
1003 | }\r | |
1004 | \r | |
1005 | EhcAckAllInterrupt (Ehc);\r | |
1006 | \r | |
1007 | Data = AllocatePool (DataLength);\r | |
1008 | \r | |
1009 | if (Data == NULL) {\r | |
1010 | EHC_ERROR (("EhcAsyncInterruptTransfer: failed to allocate buffer\n"));\r | |
1011 | \r | |
1012 | Status = EFI_OUT_OF_RESOURCES;\r | |
1013 | goto ON_EXIT;\r | |
1014 | }\r | |
1015 | \r | |
1016 | Urb = EhcCreateUrb (\r | |
1017 | Ehc,\r | |
1018 | DeviceAddress,\r | |
1019 | EndPointAddress,\r | |
1020 | DeviceSpeed,\r | |
1021 | *DataToggle,\r | |
1022 | MaximumPacketLength,\r | |
1023 | Translator,\r | |
1024 | EHC_INT_TRANSFER_ASYNC,\r | |
1025 | NULL,\r | |
1026 | Data,\r | |
1027 | DataLength,\r | |
1028 | CallBackFunction,\r | |
1029 | Context,\r | |
1030 | PollingInterval\r | |
1031 | );\r | |
1032 | \r | |
1033 | if (Urb == NULL) {\r | |
1034 | EHC_ERROR (("EhcAsyncInterruptTransfer: failed to create URB\n"));\r | |
1035 | \r | |
1036 | gBS->FreePool (Data);\r | |
1037 | Status = EFI_OUT_OF_RESOURCES;\r | |
1038 | goto ON_EXIT;\r | |
1039 | }\r | |
1040 | \r | |
1041 | //\r | |
1042 | // New asynchronous transfer must inserted to the head.\r | |
1043 | // Check the comments in EhcMoniteAsyncRequests\r | |
1044 | //\r | |
1045 | EhcLinkQhToPeriod (Ehc, Urb->Qh);\r | |
1046 | InsertHeadList (&Ehc->AsyncIntTransfers, &Urb->UrbList);\r | |
1047 | \r | |
1048 | ON_EXIT:\r | |
1049 | Ehc->PciIo->Flush (Ehc->PciIo);\r | |
1050 | gBS->RestoreTPL (OldTpl);\r | |
1051 | \r | |
1052 | return Status;\r | |
1053 | }\r | |
1054 | \r | |
1055 | \r | |
1056 | /**\r | |
1057 | Submits synchronous interrupt transfer to an interrupt endpoint\r | |
1058 | of a USB device.\r | |
1059 | \r | |
1060 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
1061 | @param DeviceAddress Target device address\r | |
1062 | @param EndPointAddress Endpoint number and its direction encoded in bit 7\r | |
1063 | @param DeviceSpeed Indicates device speed.\r | |
1064 | @param MaximumPacketLength Maximum packet size the target endpoint is capable\r | |
1065 | of sending or receiving.\r | |
1066 | @param Data Buffer of data that will be transmitted to USB\r | |
1067 | device or received from USB device.\r | |
1068 | @param DataLength On input, the size, in bytes, of the data buffer; On\r | |
1069 | output, the number of bytes transferred.\r | |
1070 | @param DataToggle On input, the initial data toggle to use; on output,\r | |
1071 | it is updated to indicate the next data toggle\r | |
1072 | @param TimeOut Maximum time, in second, to complete\r | |
1073 | @param Translator Transaction translator to use.\r | |
1074 | @param TransferResult Variable to receive the transfer result\r | |
1075 | \r | |
1076 | @return EFI_SUCCESS : The transfer was completed successfully.\r | |
1077 | @return EFI_OUT_OF_RESOURCES : The transfer failed due to lack of resource.\r | |
1078 | @return EFI_INVALID_PARAMETER : Some parameters are invalid.\r | |
1079 | @return EFI_TIMEOUT : The transfer failed due to timeout.\r | |
1080 | @return EFI_DEVICE_ERROR : The failed due to host controller or device error\r | |
1081 | \r | |
1082 | **/\r | |
1083 | STATIC\r | |
1084 | EFI_STATUS\r | |
1085 | EFIAPI\r | |
1086 | EhcSyncInterruptTransfer (\r | |
1087 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
1088 | IN UINT8 DeviceAddress,\r | |
1089 | IN UINT8 EndPointAddress,\r | |
1090 | IN UINT8 DeviceSpeed,\r | |
1091 | IN UINTN MaximumPacketLength,\r | |
1092 | IN OUT VOID *Data,\r | |
1093 | IN OUT UINTN *DataLength,\r | |
1094 | IN OUT UINT8 *DataToggle,\r | |
1095 | IN UINTN TimeOut,\r | |
1096 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r | |
1097 | OUT UINT32 *TransferResult\r | |
1098 | )\r | |
1099 | {\r | |
1100 | USB2_HC_DEV *Ehc;\r | |
1101 | EFI_TPL OldTpl;\r | |
1102 | URB *Urb;\r | |
1103 | EFI_STATUS Status;\r | |
1104 | \r | |
1105 | //\r | |
1106 | // Validates parameters\r | |
1107 | //\r | |
1108 | if ((DataLength == NULL) || (*DataLength == 0) ||\r | |
1109 | (Data == NULL) || (TransferResult == NULL)) {\r | |
1110 | return EFI_INVALID_PARAMETER;\r | |
1111 | }\r | |
1112 | \r | |
1113 | if (!EHCI_IS_DATAIN (EndPointAddress)) {\r | |
1114 | return EFI_INVALID_PARAMETER;\r | |
1115 | }\r | |
1116 | \r | |
1117 | if ((*DataToggle != 1) && (*DataToggle != 0)) {\r | |
1118 | return EFI_INVALID_PARAMETER;\r | |
1119 | }\r | |
1120 | \r | |
1121 | if (((DeviceSpeed == EFI_USB_SPEED_LOW) && (MaximumPacketLength != 8)) ||\r | |
1122 | ((DeviceSpeed == EFI_USB_SPEED_FULL) && (MaximumPacketLength > 64)) ||\r | |
1123 | ((DeviceSpeed == EFI_USB_SPEED_HIGH) && (MaximumPacketLength > 3072))) {\r | |
1124 | return EFI_INVALID_PARAMETER;\r | |
1125 | }\r | |
1126 | \r | |
1127 | OldTpl = gBS->RaiseTPL (EHC_TPL);\r | |
1128 | Ehc = EHC_FROM_THIS (This);\r | |
1129 | \r | |
1130 | *TransferResult = EFI_USB_ERR_SYSTEM;\r | |
1131 | Status = EFI_DEVICE_ERROR;\r | |
1132 | \r | |
1133 | if (EhcIsHalt (Ehc) || EhcIsSysError (Ehc)) {\r | |
1134 | EHC_ERROR (("EhcSyncInterruptTransfer: HC is halt\n"));\r | |
1135 | \r | |
1136 | EhcAckAllInterrupt (Ehc);\r | |
1137 | goto ON_EXIT;\r | |
1138 | }\r | |
1139 | \r | |
1140 | EhcAckAllInterrupt (Ehc);\r | |
1141 | \r | |
1142 | Urb = EhcCreateUrb (\r | |
1143 | Ehc,\r | |
1144 | DeviceAddress,\r | |
1145 | EndPointAddress,\r | |
1146 | DeviceSpeed,\r | |
1147 | *DataToggle,\r | |
1148 | MaximumPacketLength,\r | |
1149 | Translator,\r | |
1150 | EHC_INT_TRANSFER_SYNC,\r | |
1151 | NULL,\r | |
1152 | Data,\r | |
1153 | *DataLength,\r | |
1154 | NULL,\r | |
1155 | NULL,\r | |
1156 | 1\r | |
1157 | );\r | |
1158 | \r | |
1159 | if (Urb == NULL) {\r | |
1160 | EHC_ERROR (("EhcSyncInterruptTransfer: failed to create URB\n"));\r | |
1161 | \r | |
1162 | Status = EFI_OUT_OF_RESOURCES;\r | |
1163 | goto ON_EXIT;\r | |
1164 | }\r | |
1165 | \r | |
1166 | EhcLinkQhToPeriod (Ehc, Urb->Qh);\r | |
1167 | Status = EhcExecTransfer (Ehc, Urb, TimeOut);\r | |
1168 | EhcUnlinkQhFromPeriod (Ehc, Urb->Qh);\r | |
1169 | \r | |
1170 | *TransferResult = Urb->Result;\r | |
1171 | *DataLength = Urb->Completed;\r | |
1172 | *DataToggle = Urb->DataToggle;\r | |
1173 | \r | |
1174 | if (*TransferResult == EFI_USB_NOERROR) {\r | |
1175 | Status = EFI_SUCCESS;\r | |
1176 | }\r | |
1177 | \r | |
1178 | ON_EXIT:\r | |
1179 | Ehc->PciIo->Flush (Ehc->PciIo);\r | |
1180 | gBS->RestoreTPL (OldTpl);\r | |
1181 | \r | |
1182 | if (EFI_ERROR (Status)) {\r | |
1183 | EHC_ERROR (("EhcSyncInterruptTransfer: error - %r, transfer - %x\n", Status, *TransferResult));\r | |
1184 | }\r | |
1185 | \r | |
1186 | return Status;\r | |
1187 | }\r | |
1188 | \r | |
1189 | \r | |
1190 | /**\r | |
1191 | Submits isochronous transfer to a target USB device.\r | |
1192 | \r | |
1193 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
1194 | @param DeviceAddress Target device address\r | |
1195 | @param EndPointAddress End point address with its direction\r | |
1196 | @param DeviceSpeed Device speed, Low speed device doesn't support this\r | |
1197 | type.\r | |
1198 | @param MaximumPacketLength Maximum packet size that the endpoint is capable of\r | |
1199 | sending or receiving.\r | |
1200 | @param DataBuffersNumber Number of data buffers prepared for the transfer.\r | |
1201 | @param Data Array of pointers to the buffers of data that will\r | |
1202 | be transmitted to USB device or received from USB\r | |
1203 | device.\r | |
1204 | @param DataLength The size, in bytes, of the data buffer\r | |
1205 | @param Translator Transaction translator to use.\r | |
1206 | @param TransferResult Variable to receive the transfer result\r | |
1207 | \r | |
1208 | @return EFI_UNSUPPORTED : Isochronous transfer is unsupported.\r | |
1209 | \r | |
1210 | **/\r | |
1211 | STATIC\r | |
1212 | EFI_STATUS\r | |
1213 | EFIAPI\r | |
1214 | EhcIsochronousTransfer (\r | |
1215 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
1216 | IN UINT8 DeviceAddress,\r | |
1217 | IN UINT8 EndPointAddress,\r | |
1218 | IN UINT8 DeviceSpeed,\r | |
1219 | IN UINTN MaximumPacketLength,\r | |
1220 | IN UINT8 DataBuffersNumber,\r | |
1221 | IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM],\r | |
1222 | IN UINTN DataLength,\r | |
1223 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r | |
1224 | OUT UINT32 *TransferResult\r | |
1225 | )\r | |
1226 | {\r | |
1227 | return EFI_UNSUPPORTED;\r | |
1228 | }\r | |
1229 | \r | |
1230 | \r | |
1231 | /**\r | |
1232 | Submits Async isochronous transfer to a target USB device.\r | |
1233 | \r | |
1234 | @param This This EFI_USB2_HC_PROTOCOL instance.\r | |
1235 | @param DeviceAddress Target device address\r | |
1236 | @param EndPointAddress End point address with its direction\r | |
1237 | @param DeviceSpeed Device speed, Low speed device doesn't support this\r | |
1238 | type.\r | |
1239 | @param MaximumPacketLength Maximum packet size that the endpoint is capable of\r | |
1240 | sending or receiving.\r | |
1241 | @param DataBuffersNumber Number of data buffers prepared for the transfer.\r | |
1242 | @param Data Array of pointers to the buffers of data that will\r | |
1243 | be transmitted to USB device or received from USB\r | |
1244 | device.\r | |
1245 | @param DataLength The size, in bytes, of the data buffer\r | |
1246 | @param Translator Transaction translator to use.\r | |
1247 | @param IsochronousCallBack Function to be called when the transfer complete\r | |
1248 | @param Context Context passed to the call back function as\r | |
1249 | parameter\r | |
1250 | \r | |
1251 | @return EFI_UNSUPPORTED : Isochronous transfer isn't supported\r | |
1252 | \r | |
1253 | **/\r | |
1254 | STATIC\r | |
1255 | EFI_STATUS\r | |
1256 | EFIAPI\r | |
1257 | EhcAsyncIsochronousTransfer (\r | |
1258 | IN EFI_USB2_HC_PROTOCOL *This,\r | |
1259 | IN UINT8 DeviceAddress,\r | |
1260 | IN UINT8 EndPointAddress,\r | |
1261 | IN UINT8 DeviceSpeed,\r | |
1262 | IN UINTN MaximumPacketLength,\r | |
1263 | IN UINT8 DataBuffersNumber,\r | |
1264 | IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM],\r | |
1265 | IN UINTN DataLength,\r | |
1266 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r | |
1267 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,\r | |
1268 | IN VOID *Context\r | |
1269 | )\r | |
1270 | {\r | |
1271 | return EFI_UNSUPPORTED;\r | |
1272 | }\r | |
1273 | \r | |
1274 | //@MT: EFI_DRIVER_ENTRY_POINT (EhcDriverEntryPoint)\r | |
1275 | \r | |
1276 | EFI_STATUS\r | |
1277 | EFIAPI\r | |
1278 | EhcDriverEntryPoint (\r | |
1279 | IN EFI_HANDLE ImageHandle,\r | |
1280 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1281 | )\r | |
1282 | /*++\r | |
1283 | \r | |
1284 | Routine Description:\r | |
1285 | \r | |
1286 | Entry point for EFI drivers.\r | |
1287 | \r | |
1288 | Arguments:\r | |
1289 | \r | |
1290 | ImageHandle - EFI_HANDLE\r | |
1291 | SystemTable - EFI_SYSTEM_TABLE\r | |
1292 | \r | |
1293 | Returns:\r | |
1294 | \r | |
1295 | EFI_SUCCESS Success\r | |
1296 | EFI_DEVICE_ERROR Fail\r | |
1297 | \r | |
1298 | --*/\r | |
1299 | {\r | |
1300 | return EfiLibInstallAllDriverProtocols (\r | |
1301 | ImageHandle,\r | |
1302 | SystemTable,\r | |
1303 | &gEhciDriverBinding,\r | |
1304 | ImageHandle,\r | |
1305 | &gEhciComponentName,\r | |
1306 | NULL,\r | |
1307 | NULL\r | |
1308 | );\r | |
1309 | }\r | |
1310 | \r | |
1311 | \r | |
1312 | /**\r | |
1313 | Test to see if this driver supports ControllerHandle. Any\r | |
1314 | ControllerHandle that has Usb2HcProtocol installed will\r | |
1315 | be supported.\r | |
1316 | \r | |
1317 | @param This Protocol instance pointer.\r | |
1318 | @param Controlle Handle of device to test\r | |
1319 | @param RemainingDevicePath Not used\r | |
1320 | \r | |
1321 | @return EFI_SUCCESS : This driver supports this device.\r | |
1322 | @return EFI_UNSUPPORTED : This driver does not support this device.\r | |
1323 | \r | |
1324 | **/\r | |
1325 | EFI_STATUS\r | |
1326 | EFIAPI\r | |
1327 | EhcDriverBindingSupported (\r | |
1328 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1329 | IN EFI_HANDLE Controller,\r | |
1330 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
1331 | )\r | |
1332 | {\r | |
1333 | EFI_STATUS Status;\r | |
1334 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1335 | USB_CLASSC UsbClassCReg;\r | |
1336 | \r | |
1337 | //\r | |
1338 | // Test whether there is PCI IO Protocol attached on the controller handle.\r | |
1339 | //\r | |
1340 | Status = gBS->OpenProtocol (\r | |
1341 | Controller,\r | |
1342 | &gEfiPciIoProtocolGuid,\r | |
1343 | &PciIo,\r | |
1344 | This->DriverBindingHandle,\r | |
1345 | Controller,\r | |
1346 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
1347 | );\r | |
1348 | \r | |
1349 | if (EFI_ERROR (Status)) {\r | |
1350 | return EFI_UNSUPPORTED;\r | |
1351 | }\r | |
1352 | \r | |
1353 | Status = PciIo->Pci.Read (\r | |
1354 | PciIo,\r | |
1355 | EfiPciIoWidthUint8,\r | |
1356 | EHC_PCI_CLASSC,\r | |
1357 | sizeof (USB_CLASSC) / sizeof (UINT8),\r | |
1358 | &UsbClassCReg\r | |
1359 | );\r | |
1360 | \r | |
1361 | if (EFI_ERROR (Status)) {\r | |
1362 | Status = EFI_UNSUPPORTED;\r | |
1363 | goto ON_EXIT;\r | |
1364 | }\r | |
1365 | \r | |
1366 | //\r | |
1367 | // Test whether the controller belongs to Ehci type\r | |
1368 | //\r | |
1369 | if ((UsbClassCReg.BaseCode != PCI_CLASS_SERIAL) ||\r | |
1370 | (UsbClassCReg.SubClassCode != PCI_CLASS_SERIAL_USB) ||\r | |
1371 | (UsbClassCReg.PI != EHC_PCI_CLASSC_PI)) {\r | |
1372 | \r | |
1373 | Status = EFI_UNSUPPORTED;\r | |
1374 | }\r | |
1375 | \r | |
1376 | ON_EXIT:\r | |
1377 | gBS->CloseProtocol (\r | |
1378 | Controller,\r | |
1379 | &gEfiPciIoProtocolGuid,\r | |
1380 | This->DriverBindingHandle,\r | |
1381 | Controller\r | |
1382 | );\r | |
1383 | \r | |
1384 | return Status;\r | |
1385 | }\r | |
1386 | \r | |
1387 | \r | |
1388 | /**\r | |
1389 | Create and initialize a USB2_HC_DEV\r | |
1390 | \r | |
1391 | @param PciIo The PciIo on this device\r | |
1392 | \r | |
1393 | @return The allocated and initialized USB2_HC_DEV structure\r | |
1394 | @return if created, otherwise NULL.\r | |
1395 | \r | |
1396 | **/\r | |
1397 | STATIC\r | |
1398 | USB2_HC_DEV *\r | |
1399 | EhcCreateUsb2Hc (\r | |
1400 | IN EFI_PCI_IO_PROTOCOL *PciIo\r | |
1401 | )\r | |
1402 | {\r | |
1403 | USB2_HC_DEV *Ehc;\r | |
1404 | EFI_STATUS Status;\r | |
1405 | \r | |
1406 | Ehc = AllocateZeroPool (sizeof (USB2_HC_DEV));\r | |
1407 | \r | |
1408 | if (Ehc == NULL) {\r | |
1409 | return NULL;\r | |
1410 | }\r | |
1411 | \r | |
1412 | //\r | |
1413 | // Init EFI_USB2_HC_PROTOCOL interface and private data structure\r | |
1414 | //\r | |
1415 | Ehc->Signature = USB2_HC_DEV_SIGNATURE;\r | |
1416 | \r | |
1417 | Ehc->Usb2Hc.GetCapability = EhcGetCapability;\r | |
1418 | Ehc->Usb2Hc.Reset = EhcReset;\r | |
1419 | Ehc->Usb2Hc.GetState = EhcGetState;\r | |
1420 | Ehc->Usb2Hc.SetState = EhcSetState;\r | |
1421 | Ehc->Usb2Hc.ControlTransfer = EhcControlTransfer;\r | |
1422 | Ehc->Usb2Hc.BulkTransfer = EhcBulkTransfer;\r | |
1423 | Ehc->Usb2Hc.AsyncInterruptTransfer = EhcAsyncInterruptTransfer;\r | |
1424 | Ehc->Usb2Hc.SyncInterruptTransfer = EhcSyncInterruptTransfer;\r | |
1425 | Ehc->Usb2Hc.IsochronousTransfer = EhcIsochronousTransfer;\r | |
1426 | Ehc->Usb2Hc.AsyncIsochronousTransfer = EhcAsyncIsochronousTransfer;\r | |
1427 | Ehc->Usb2Hc.GetRootHubPortStatus = EhcGetRootHubPortStatus;\r | |
1428 | Ehc->Usb2Hc.SetRootHubPortFeature = EhcSetRootHubPortFeature;\r | |
1429 | Ehc->Usb2Hc.ClearRootHubPortFeature = EhcClearRootHubPortFeature;\r | |
1430 | Ehc->Usb2Hc.MajorRevision = 0x1;\r | |
1431 | Ehc->Usb2Hc.MinorRevision = 0x1;\r | |
1432 | \r | |
1433 | Ehc->PciIo = PciIo;\r | |
1434 | \r | |
1435 | InitializeListHead (&Ehc->AsyncIntTransfers);\r | |
1436 | \r | |
1437 | Ehc->HcStructParams = EhcReadCapRegister (Ehc, EHC_HCSPARAMS_OFFSET);\r | |
1438 | Ehc->HcCapParams = EhcReadCapRegister (Ehc, EHC_HCCPARAMS_OFFSET);\r | |
1439 | Ehc->CapLen = EhcReadCapRegister (Ehc, EHC_CAPLENGTH_OFFSET) & 0x0FF;\r | |
1440 | \r | |
1441 | EHC_DEBUG (("EhcCreateUsb2Hc: capability length %d\n", Ehc->CapLen));\r | |
1442 | \r | |
1443 | //\r | |
1444 | // Create AsyncRequest Polling Timer\r | |
1445 | //\r | |
1446 | Status = gBS->CreateEvent (\r | |
1447 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
1448 | TPL_CALLBACK,\r | |
1449 | EhcMoniteAsyncRequests,\r | |
1450 | Ehc,\r | |
1451 | &Ehc->PollTimer\r | |
1452 | );\r | |
1453 | \r | |
1454 | if (EFI_ERROR (Status)) {\r | |
1455 | gBS->FreePool (Ehc);\r | |
1456 | return NULL;\r | |
1457 | }\r | |
1458 | \r | |
1459 | return Ehc;\r | |
1460 | }\r | |
1461 | \r | |
1462 | \r | |
1463 | /**\r | |
1464 | Starting the Usb EHCI Driver\r | |
1465 | \r | |
1466 | @param This Protocol instance pointer.\r | |
1467 | @param Controller Handle of device to test\r | |
1468 | @param RemainingDevicePath Not used\r | |
1469 | \r | |
1470 | @return EFI_SUCCESS : supports this device.\r | |
1471 | @return EFI_UNSUPPORTED : do not support this device.\r | |
1472 | @return EFI_DEVICE_ERROR : cannot be started due to device Error\r | |
1473 | @return EFI_OUT_OF_RESOURCES : cannot allocate resources\r | |
1474 | \r | |
1475 | **/\r | |
1476 | EFI_STATUS\r | |
1477 | EFIAPI\r | |
1478 | EhcDriverBindingStart (\r | |
1479 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1480 | IN EFI_HANDLE Controller,\r | |
1481 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
1482 | )\r | |
1483 | {\r | |
1484 | EFI_STATUS Status;\r | |
1485 | USB2_HC_DEV *Ehc;\r | |
1486 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1487 | \r | |
1488 | //\r | |
1489 | // Open the PciIo Protocol, then enable the USB host controller\r | |
1490 | //\r | |
1491 | Status = gBS->OpenProtocol (\r | |
1492 | Controller,\r | |
1493 | &gEfiPciIoProtocolGuid,\r | |
1494 | &PciIo,\r | |
1495 | This->DriverBindingHandle,\r | |
1496 | Controller,\r | |
1497 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
1498 | );\r | |
1499 | \r | |
1500 | if (EFI_ERROR (Status)) {\r | |
1501 | EHC_ERROR (("EhcDriverBindingStart: failed to open PCI_IO\n"));\r | |
1502 | return EFI_DEVICE_ERROR;\r | |
1503 | }\r | |
1504 | \r | |
1505 | Status = PciIo->Attributes (\r | |
1506 | PciIo,\r | |
1507 | EfiPciIoAttributeOperationEnable,\r | |
1508 | EFI_PCI_DEVICE_ENABLE,\r | |
1509 | NULL\r | |
1510 | );\r | |
1511 | \r | |
1512 | if (EFI_ERROR (Status)) {\r | |
1513 | EHC_ERROR (("EhcDriverBindingStart: failed to enable controller\n"));\r | |
1514 | goto CLOSE_PCIIO;\r | |
1515 | }\r | |
1516 | \r | |
1517 | //\r | |
1518 | // Create then install USB2_HC_PROTOCOL\r | |
1519 | //\r | |
1520 | Ehc = EhcCreateUsb2Hc (PciIo);\r | |
1521 | \r | |
1522 | if (Ehc == NULL) {\r | |
1523 | EHC_ERROR (("EhcDriverBindingStart: failed to create USB2_HC\n"));\r | |
1524 | \r | |
1525 | Status = EFI_OUT_OF_RESOURCES;\r | |
1526 | goto CLOSE_PCIIO;\r | |
1527 | }\r | |
1528 | \r | |
1529 | Status = gBS->InstallProtocolInterface (\r | |
1530 | &Controller,\r | |
1531 | &gEfiUsb2HcProtocolGuid,\r | |
1532 | EFI_NATIVE_INTERFACE,\r | |
1533 | &Ehc->Usb2Hc\r | |
1534 | );\r | |
1535 | \r | |
1536 | if (EFI_ERROR (Status)) {\r | |
1537 | EHC_ERROR (("EhcDriverBindingStart: failed to install USB2_HC Protocol\n"));\r | |
1538 | goto FREE_POOL;\r | |
1539 | }\r | |
1540 | \r | |
1541 | //\r | |
1542 | // Robustnesss improvement such as for UoL\r | |
1543 | //\r | |
1544 | EhcClearLegacySupport (Ehc);\r | |
1545 | EhcResetHC (Ehc, EHC_STALL_1_SECOND);\r | |
1546 | \r | |
1547 | Status = EhcInitHC (Ehc);\r | |
1548 | \r | |
1549 | if (EFI_ERROR (Status)) {\r | |
1550 | EHC_ERROR (("EhcDriverBindingStart: failed to init host controller\n"));\r | |
1551 | goto UNINSTALL_USBHC;\r | |
1552 | }\r | |
1553 | \r | |
1554 | //\r | |
1555 | // Start the asynchronous interrupt monitor\r | |
1556 | //\r | |
1557 | Status = gBS->SetTimer (Ehc->PollTimer, TimerPeriodic, EHC_ASYNC_POLL_TIME);\r | |
1558 | \r | |
1559 | if (EFI_ERROR (Status)) {\r | |
1560 | EHC_ERROR (("EhcDriverBindingStart: failed to start async interrupt monitor\n"));\r | |
1561 | \r | |
1562 | EhcHaltHC (Ehc, EHC_GENERIC_TIME);\r | |
1563 | goto UNINSTALL_USBHC;\r | |
1564 | }\r | |
1565 | \r | |
1566 | //\r | |
1567 | // Install the component name protocol, don't fail the start\r | |
1568 | // because of something for display.\r | |
1569 | //\r | |
1570 | AddUnicodeString (\r | |
1571 | "eng",\r | |
1572 | gEhciComponentName.SupportedLanguages,\r | |
1573 | &Ehc->ControllerNameTable,\r | |
1574 | L"Enhanced Host Controller (USB 2.0)"\r | |
1575 | );\r | |
1576 | \r | |
1577 | EHC_DEBUG (("EhcDriverBindingStart: EHCI started for controller @ %x\n", Controller));\r | |
1578 | return EFI_SUCCESS;\r | |
1579 | \r | |
1580 | UNINSTALL_USBHC:\r | |
1581 | gBS->UninstallProtocolInterface (\r | |
1582 | Controller,\r | |
1583 | &gEfiUsb2HcProtocolGuid,\r | |
1584 | &Ehc->Usb2Hc\r | |
1585 | );\r | |
1586 | \r | |
1587 | FREE_POOL:\r | |
1588 | EhcFreeSched (Ehc);\r | |
1589 | gBS->CloseEvent (Ehc->PollTimer);\r | |
1590 | gBS->FreePool (Ehc);\r | |
1591 | \r | |
1592 | CLOSE_PCIIO:\r | |
1593 | gBS->CloseProtocol (\r | |
1594 | Controller,\r | |
1595 | &gEfiPciIoProtocolGuid,\r | |
1596 | This->DriverBindingHandle,\r | |
1597 | Controller\r | |
1598 | );\r | |
1599 | \r | |
1600 | return Status;\r | |
1601 | }\r | |
1602 | \r | |
1603 | \r | |
1604 | /**\r | |
1605 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
1606 | created by this driver.\r | |
1607 | \r | |
1608 | @param This Protocol instance pointer.\r | |
1609 | @param Controller Handle of device to stop driver on\r | |
1610 | @param NumberOfChildren Number of Children in the ChildHandleBuffer\r | |
1611 | @param ChildHandleBuffer List of handles for the children we need to stop.\r | |
1612 | \r | |
1613 | @return EFI_SUCCESS Success\r | |
1614 | @return EFI_DEVICE_ERROR Fail\r | |
1615 | \r | |
1616 | **/\r | |
1617 | EFI_STATUS\r | |
1618 | EFIAPI\r | |
1619 | EhcDriverBindingStop (\r | |
1620 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1621 | IN EFI_HANDLE Controller,\r | |
1622 | IN UINTN NumberOfChildren,\r | |
1623 | IN EFI_HANDLE *ChildHandleBuffer\r | |
1624 | )\r | |
1625 | {\r | |
1626 | EFI_STATUS Status;\r | |
1627 | EFI_USB2_HC_PROTOCOL *Usb2Hc;\r | |
1628 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1629 | USB2_HC_DEV *Ehc;\r | |
1630 | \r | |
1631 | //\r | |
1632 | // Test whether the Controller handler passed in is a valid\r | |
1633 | // Usb controller handle that should be supported, if not,\r | |
1634 | // return the error status directly\r | |
1635 | //\r | |
1636 | Status = gBS->OpenProtocol (\r | |
1637 | Controller,\r | |
1638 | &gEfiUsb2HcProtocolGuid,\r | |
1639 | &Usb2Hc,\r | |
1640 | This->DriverBindingHandle,\r | |
1641 | Controller,\r | |
1642 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
1643 | );\r | |
1644 | \r | |
1645 | if (EFI_ERROR (Status)) {\r | |
1646 | return Status;\r | |
1647 | }\r | |
1648 | \r | |
1649 | Ehc = EHC_FROM_THIS (Usb2Hc);\r | |
1650 | PciIo = Ehc->PciIo;\r | |
1651 | \r | |
1652 | //\r | |
1653 | // Stop AsyncRequest Polling timer then stop the EHCI driver\r | |
1654 | // and uninstall the EHCI protocl.\r | |
1655 | //\r | |
1656 | gBS->SetTimer (Ehc->PollTimer, TimerCancel, EHC_ASYNC_POLL_TIME);\r | |
1657 | EhcHaltHC (Ehc, EHC_GENERIC_TIME);\r | |
1658 | \r | |
1659 | Status = gBS->UninstallProtocolInterface (\r | |
1660 | Controller,\r | |
1661 | &gEfiUsb2HcProtocolGuid,\r | |
1662 | Usb2Hc\r | |
1663 | );\r | |
1664 | \r | |
1665 | if (EFI_ERROR (Status)) {\r | |
1666 | return Status;\r | |
1667 | }\r | |
1668 | \r | |
1669 | if (Ehc->PollTimer != NULL) {\r | |
1670 | gBS->CloseEvent (Ehc->PollTimer);\r | |
1671 | }\r | |
1672 | \r | |
1673 | EhcFreeSched (Ehc);\r | |
1674 | \r | |
1675 | if (Ehc->ControllerNameTable) {\r | |
1676 | FreeUnicodeStringTable (Ehc->ControllerNameTable);\r | |
1677 | }\r | |
1678 | \r | |
1679 | //\r | |
1680 | // Disable the USB Host Controller\r | |
1681 | //\r | |
1682 | PciIo->Attributes (\r | |
1683 | PciIo,\r | |
1684 | EfiPciIoAttributeOperationDisable,\r | |
1685 | EFI_PCI_DEVICE_ENABLE,\r | |
1686 | NULL\r | |
1687 | );\r | |
1688 | \r | |
1689 | gBS->CloseProtocol (\r | |
1690 | Controller,\r | |
1691 | &gEfiPciIoProtocolGuid,\r | |
1692 | This->DriverBindingHandle,\r | |
1693 | Controller\r | |
1694 | );\r | |
1695 | \r | |
1696 | gBS->FreePool (Ehc);\r | |
1697 | return Status;\r | |
1698 | }\r | |
1699 | \r | |
1700 | EFI_DRIVER_BINDING_PROTOCOL\r | |
1701 | gEhciDriverBinding = {\r | |
1702 | EhcDriverBindingSupported,\r | |
1703 | EhcDriverBindingStart,\r | |
1704 | EhcDriverBindingStop,\r | |
1705 | 0x10,\r | |
1706 | NULL,\r | |
1707 | NULL\r | |
1708 | };\r |