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1 | /** @file\r |
2 | This file contains URB request, each request is warpped in a\r | |
3 | URB (Usb Request Block).\r | |
4 | \r | |
5 | Copyright (c) 2013-2015 Intel Corporation.\r | |
6 | \r | |
7 | This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | \r | |
18 | \r | |
19 | #include "Ohci.h"\r | |
20 | \r | |
21 | \r | |
22 | /**\r | |
23 | \r | |
24 | Create a TD\r | |
25 | \r | |
26 | @Param Ohc UHC private data\r | |
27 | \r | |
28 | @retval TD structure pointer\r | |
29 | \r | |
30 | **/\r | |
31 | TD_DESCRIPTOR *\r | |
32 | OhciCreateTD (\r | |
33 | IN USB_OHCI_HC_DEV *Ohc\r | |
34 | )\r | |
35 | {\r | |
36 | TD_DESCRIPTOR *Td;\r | |
37 | \r | |
38 | Td = UsbHcAllocateMem(Ohc->MemPool, sizeof(TD_DESCRIPTOR));\r | |
39 | if (Td == NULL) {\r | |
40 | DEBUG ((EFI_D_INFO, "STV allocate TD fail !\r\n"));\r | |
41 | return NULL;\r | |
42 | }\r | |
43 | Td->CurrBufferPointer = 0;\r | |
44 | Td->NextTD = 0;\r | |
45 | Td->BufferEndPointer = 0;\r | |
46 | Td->NextTDPointer = 0;\r | |
47 | \r | |
48 | return Td;\r | |
49 | }\r | |
50 | \r | |
51 | \r | |
52 | /**\r | |
53 | \r | |
54 | Free a TD\r | |
55 | \r | |
56 | @Param Ohc UHC private data\r | |
57 | @Param Td Pointer to a TD to free\r | |
58 | \r | |
59 | @retval EFI_SUCCESS TD freed\r | |
60 | \r | |
61 | **/\r | |
62 | EFI_STATUS\r | |
63 | OhciFreeTD (\r | |
64 | IN USB_OHCI_HC_DEV *Ohc,\r | |
65 | IN TD_DESCRIPTOR *Td\r | |
66 | )\r | |
67 | {\r | |
68 | if (Td == NULL) {\r | |
69 | return EFI_SUCCESS;\r | |
70 | }\r | |
71 | UsbHcFreeMem(Ohc->MemPool, Td, sizeof(TD_DESCRIPTOR));\r | |
72 | \r | |
73 | return EFI_SUCCESS;\r | |
74 | }\r | |
75 | \r | |
76 | \r | |
77 | /**\r | |
78 | \r | |
79 | Create a ED\r | |
80 | \r | |
81 | @Param Ohc Device private data\r | |
82 | \r | |
83 | @retval ED descriptor pointer\r | |
84 | \r | |
85 | **/\r | |
86 | ED_DESCRIPTOR *\r | |
87 | OhciCreateED (\r | |
88 | USB_OHCI_HC_DEV *Ohc\r | |
89 | )\r | |
90 | {\r | |
91 | ED_DESCRIPTOR *Ed;\r | |
92 | Ed = UsbHcAllocateMem(Ohc->MemPool, sizeof (ED_DESCRIPTOR));\r | |
93 | if (Ed == NULL) {\r | |
94 | DEBUG ((EFI_D_INFO, "STV allocate ED fail !\r\n"));\r | |
95 | return NULL;\r | |
96 | }\r | |
97 | Ed->Word0.Skip = 1;\r | |
98 | Ed->TdTailPointer = 0;\r | |
99 | Ed->Word2.TdHeadPointer = 0;\r | |
100 | Ed->NextED = 0;\r | |
101 | \r | |
102 | return Ed;\r | |
103 | }\r | |
104 | \r | |
105 | /**\r | |
106 | \r | |
107 | Free a ED\r | |
108 | \r | |
109 | @Param Ohc UHC private data\r | |
110 | @Param Ed Pointer to a ED to free\r | |
111 | \r | |
112 | @retval EFI_SUCCESS ED freed\r | |
113 | \r | |
114 | **/\r | |
115 | \r | |
116 | EFI_STATUS\r | |
117 | OhciFreeED (\r | |
118 | IN USB_OHCI_HC_DEV *Ohc,\r | |
119 | IN ED_DESCRIPTOR *Ed\r | |
120 | )\r | |
121 | {\r | |
122 | if (Ed == NULL) {\r | |
123 | return EFI_SUCCESS;\r | |
124 | }\r | |
125 | UsbHcFreeMem(Ohc->MemPool, Ed, sizeof(ED_DESCRIPTOR));\r | |
126 | \r | |
127 | return EFI_SUCCESS;\r | |
128 | }\r | |
129 | \r | |
130 | /**\r | |
131 | \r | |
132 | Free ED\r | |
133 | \r | |
134 | @Param Ohc Device private data\r | |
135 | @Param Ed Pointer to a ED to free\r | |
136 | \r | |
137 | @retval EFI_SUCCESS ED freed\r | |
138 | \r | |
139 | **/\r | |
140 | EFI_STATUS\r | |
141 | OhciFreeAllTDFromED (\r | |
142 | IN USB_OHCI_HC_DEV *Ohc,\r | |
143 | IN ED_DESCRIPTOR *Ed\r | |
144 | )\r | |
145 | {\r | |
146 | TD_DESCRIPTOR *HeadTd;\r | |
147 | TD_DESCRIPTOR *TailTd;\r | |
148 | TD_DESCRIPTOR *Td;\r | |
149 | TD_DESCRIPTOR *TempTd;\r | |
150 | \r | |
151 | if (Ed == NULL) {\r | |
152 | return EFI_SUCCESS;\r | |
153 | }\r | |
154 | \r | |
155 | HeadTd = TD_PTR (Ed->Word2.TdHeadPointer);\r | |
156 | TailTd = (TD_DESCRIPTOR *)(UINTN)(Ed->TdTailPointer);\r | |
157 | \r | |
158 | Td = HeadTd;\r | |
159 | while (Td != TailTd) {\r | |
160 | TempTd = Td;\r | |
161 | Td = (TD_DESCRIPTOR *)(UINTN)(Td->NextTDPointer);\r | |
162 | OhciFreeTD (Ohc, TempTd);\r | |
163 | }\r | |
164 | \r | |
165 | return EFI_SUCCESS;\r | |
166 | }\r | |
167 | \r | |
168 | /**\r | |
169 | \r | |
170 | Find a working ED match the requirement\r | |
171 | \r | |
172 | @Param EdHead Head of the ED list\r | |
173 | @Param DeviceAddress Device address to search\r | |
174 | @Param EndPointNum End point num to search\r | |
175 | @Param EdDir ED Direction to search\r | |
176 | \r | |
177 | @retval ED descriptor searched\r | |
178 | \r | |
179 | **/\r | |
180 | \r | |
181 | ED_DESCRIPTOR *\r | |
182 | OhciFindWorkingEd (\r | |
183 | IN ED_DESCRIPTOR *EdHead,\r | |
184 | IN UINT8 DeviceAddress,\r | |
185 | IN UINT8 EndPointNum,\r | |
186 | IN UINT8 EdDir\r | |
187 | )\r | |
188 | {\r | |
189 | ED_DESCRIPTOR *Ed;\r | |
190 | \r | |
191 | for (Ed = EdHead; Ed != NULL; Ed = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED)) {\r | |
192 | if (Ed->Word2.Halted == 0 && Ed->Word0.Skip == 0 &&\r | |
193 | Ed->Word0.FunctionAddress == DeviceAddress && Ed->Word0.EndPointNum == EndPointNum &&\r | |
194 | Ed->Word0.Direction == EdDir) {\r | |
195 | break;\r | |
196 | }\r | |
197 | }\r | |
198 | \r | |
199 | return Ed;\r | |
200 | }\r | |
201 | \r | |
202 | \r | |
203 | /**\r | |
204 | \r | |
205 | Initialize interrupt list.\r | |
206 | \r | |
207 | @Param Ohc Device private data\r | |
208 | \r | |
209 | @retval EFI_SUCCESS Initialization done\r | |
210 | \r | |
211 | **/\r | |
212 | EFI_STATUS\r | |
213 | OhciInitializeInterruptList (\r | |
214 | USB_OHCI_HC_DEV *Ohc\r | |
215 | )\r | |
216 | {\r | |
217 | static UINT32 Leaf[32] = {0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10, 26, 6, 22, 14, 30, 1, 17,\r | |
218 | 9, 25, 5, 21, 13, 29, 3, 19, 11, 27, 7, 23, 15, 31};\r | |
219 | UINT32 *HccaInterruptTable;\r | |
220 | UINTN Index;\r | |
221 | UINTN Level;\r | |
222 | UINTN Count;\r | |
223 | ED_DESCRIPTOR *NewEd;\r | |
224 | \r | |
225 | HccaInterruptTable = Ohc->HccaMemoryBlock->HccaInterruptTable;\r | |
226 | \r | |
227 | for (Index = 0; Index < 32; Index++) {\r | |
228 | NewEd = OhciCreateED (Ohc);\r | |
229 | if (NewEd == NULL) {\r | |
230 | return EFI_OUT_OF_RESOURCES;\r | |
231 | }\r | |
232 | HccaInterruptTable[Index] = (UINT32)(UINTN)NewEd;\r | |
233 | }\r | |
234 | \r | |
235 | for (Index = 0; Index < 32; Index++) {\r | |
236 | Ohc->IntervalList[0][Index] = (ED_DESCRIPTOR *)(UINTN)HccaInterruptTable[Leaf[Index]];\r | |
237 | }\r | |
238 | \r | |
239 | Count = 32;\r | |
240 | for (Level = 1; Level <= 5; Level++) {\r | |
241 | Count = Count >> 1;\r | |
242 | \r | |
243 | for (Index = 0; Index < Count; Index++) {\r | |
244 | Ohc->IntervalList[Level][Index] = OhciCreateED (Ohc);\r | |
245 | if (HccaInterruptTable[Index] == 0) {\r | |
246 | return EFI_OUT_OF_RESOURCES;\r | |
247 | }\r | |
248 | Ohc->IntervalList[Level - 1][Index * 2 ]->NextED = (UINT32)(UINTN)Ohc->IntervalList[Level][Index];\r | |
249 | Ohc->IntervalList[Level - 1][Index * 2 + 1]->NextED = (UINT32)(UINTN)Ohc->IntervalList[Level][Index];\r | |
250 | }\r | |
251 | }\r | |
252 | \r | |
253 | return EFI_SUCCESS;\r | |
254 | }\r | |
255 | \r | |
256 | /**\r | |
257 | \r | |
258 | Attach an ED\r | |
259 | \r | |
260 | @Param Ed Ed to be attached\r | |
261 | @Param NewEd Ed to attach\r | |
262 | \r | |
263 | @retval EFI_SUCCESS NewEd attached to Ed\r | |
264 | @retval EFI_INVALID_PARAMETER Ed is NULL\r | |
265 | \r | |
266 | **/\r | |
267 | EFI_STATUS\r | |
268 | OhciAttachED (\r | |
269 | IN ED_DESCRIPTOR *Ed,\r | |
270 | IN ED_DESCRIPTOR *NewEd\r | |
271 | )\r | |
272 | {\r | |
273 | ED_DESCRIPTOR *Temp;\r | |
274 | \r | |
275 | if (Ed == NULL) {\r | |
276 | return EFI_INVALID_PARAMETER;\r | |
277 | }\r | |
278 | \r | |
279 | if (Ed->NextED == 0){\r | |
280 | Ed->NextED = (UINT32)(UINTN)NewEd;\r | |
281 | } else {\r | |
282 | Temp = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED);\r | |
283 | Ed->NextED = (UINT32)(UINTN)NewEd;\r | |
284 | NewEd->NextED = (UINT32)(UINTN)Temp;\r | |
285 | }\r | |
286 | \r | |
287 | return EFI_SUCCESS;\r | |
288 | }\r | |
289 | \r | |
290 | \r | |
291 | /**\r | |
292 | \r | |
293 | Count ED number on a ED chain\r | |
294 | \r | |
295 | @Param Ed Head of the ED chain\r | |
296 | \r | |
297 | @retval ED number on the chain\r | |
298 | \r | |
299 | **/\r | |
300 | \r | |
301 | UINTN\r | |
302 | CountEdNum (\r | |
303 | IN ED_DESCRIPTOR *Ed\r | |
304 | )\r | |
305 | {\r | |
306 | UINTN Count;\r | |
307 | \r | |
308 | Count = 0;\r | |
309 | \r | |
310 | while (Ed) {\r | |
311 | Ed = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED);\r | |
312 | Count++;\r | |
313 | }\r | |
314 | \r | |
315 | return Count;\r | |
316 | }\r | |
317 | \r | |
318 | /**\r | |
319 | \r | |
320 | Find the minimal burn ED list on a specific depth level\r | |
321 | \r | |
322 | @Param Ohc Device private data\r | |
323 | @Param Depth Depth level\r | |
324 | \r | |
325 | @retval ED list found\r | |
326 | \r | |
327 | **/\r | |
328 | \r | |
329 | ED_DESCRIPTOR *\r | |
330 | OhciFindMinInterruptEDList (\r | |
331 | IN USB_OHCI_HC_DEV *Ohc,\r | |
332 | IN UINT32 Depth\r | |
333 | )\r | |
334 | {\r | |
335 | UINTN EdNum;\r | |
336 | UINTN MinEdNum;\r | |
337 | ED_DESCRIPTOR *TempEd;\r | |
338 | ED_DESCRIPTOR *HeadEd;\r | |
339 | UINTN Index;\r | |
340 | \r | |
341 | if (Depth > 5) {\r | |
342 | return NULL;\r | |
343 | }\r | |
344 | \r | |
345 | MinEdNum = 0xFFFFFFFF;\r | |
346 | TempEd = NULL;\r | |
347 | for (Index = 0; Index < (UINTN)(32 >> Depth); Index++) {\r | |
348 | HeadEd = Ohc->IntervalList[Depth][Index];\r | |
349 | EdNum = CountEdNum (HeadEd);\r | |
350 | if (EdNum < MinEdNum) {\r | |
351 | MinEdNum = EdNum;\r | |
352 | TempEd = HeadEd;\r | |
353 | }\r | |
354 | }\r | |
355 | \r | |
356 | ASSERT (TempEd != NULL);\r | |
357 | \r | |
358 | return TempEd;\r | |
359 | }\r | |
360 | \r | |
361 | \r | |
362 | /**\r | |
363 | \r | |
364 | Attach an ED to an ED list\r | |
365 | \r | |
366 | @Param OHC UHC private data\r | |
367 | @Param ListType Type of the ED list\r | |
368 | @Param Ed ED to attach\r | |
369 | @Param EdList ED list to be attached\r | |
370 | \r | |
371 | @retval EFI_SUCCESS ED attached to ED list\r | |
372 | \r | |
373 | **/\r | |
374 | ED_DESCRIPTOR *\r | |
375 | OhciAttachEDToList (\r | |
376 | IN USB_OHCI_HC_DEV *Ohc,\r | |
377 | IN DESCRIPTOR_LIST_TYPE ListType,\r | |
378 | IN ED_DESCRIPTOR *Ed,\r | |
379 | IN ED_DESCRIPTOR *EdList\r | |
380 | )\r | |
381 | {\r | |
382 | ED_DESCRIPTOR *HeadEd;\r | |
383 | \r | |
384 | HeadEd = NULL;\r | |
385 | switch(ListType) {\r | |
386 | case CONTROL_LIST:\r | |
387 | HeadEd = (ED_DESCRIPTOR *) OhciGetMemoryPointer (Ohc, HC_CONTROL_HEAD);\r | |
388 | if (HeadEd == NULL) {\r | |
389 | OhciSetMemoryPointer (Ohc, HC_CONTROL_HEAD, Ed);\r | |
390 | HeadEd = Ed;\r | |
391 | } else {\r | |
392 | OhciAttachED (HeadEd, Ed);\r | |
393 | }\r | |
394 | break;\r | |
395 | \r | |
396 | case BULK_LIST:\r | |
397 | HeadEd = (ED_DESCRIPTOR *) OhciGetMemoryPointer (Ohc, HC_BULK_HEAD);\r | |
398 | if (HeadEd == NULL) {\r | |
399 | OhciSetMemoryPointer (Ohc, HC_BULK_HEAD, Ed);\r | |
400 | HeadEd = Ed;\r | |
401 | } else {\r | |
402 | OhciAttachED (HeadEd, Ed);\r | |
403 | }\r | |
404 | break;\r | |
405 | \r | |
406 | case INTERRUPT_LIST:\r | |
407 | OhciAttachED (EdList, Ed);\r | |
408 | break;\r | |
409 | \r | |
410 | default:\r | |
411 | ASSERT (FALSE);\r | |
412 | }\r | |
413 | \r | |
414 | return HeadEd;\r | |
415 | }\r | |
416 | \r | |
417 | /**\r | |
418 | \r | |
419 | Remove interrupt EDs that match requirement\r | |
420 | \r | |
421 | @Param Ohc UHC private data\r | |
422 | @Param IntEd The address of Interrupt endpoint\r | |
423 | \r | |
424 | @retval EFI_SUCCESS EDs match requirement removed\r | |
425 | \r | |
426 | **/\r | |
427 | \r | |
428 | EFI_STATUS\r | |
429 | OhciFreeInterruptEdByEd (\r | |
430 | IN USB_OHCI_HC_DEV *Ohc,\r | |
431 | IN ED_DESCRIPTOR *IntEd\r | |
432 | )\r | |
433 | {\r | |
434 | ED_DESCRIPTOR *Ed;\r | |
435 | ED_DESCRIPTOR *TempEd;\r | |
436 | UINTN Index;\r | |
437 | \r | |
438 | if (IntEd == NULL)\r | |
439 | return EFI_SUCCESS;\r | |
440 | \r | |
441 | for (Index = 0; Index < 32; Index++) {\r | |
442 | Ed = (ED_DESCRIPTOR *)(UINTN)Ohc->HccaMemoryBlock->HccaInterruptTable[Index];\r | |
443 | if (Ed == NULL) {\r | |
444 | continue;\r | |
445 | }\r | |
446 | while (Ed->NextED != 0) {\r | |
447 | if (Ed->NextED == (UINT32)(UINTN)IntEd ) {\r | |
448 | TempEd = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED);\r | |
449 | Ed->NextED = TempEd->NextED;\r | |
450 | OhciFreeED (Ohc, TempEd);\r | |
451 | } else {\r | |
452 | Ed = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED);\r | |
453 | }\r | |
454 | }\r | |
455 | }\r | |
456 | return EFI_SUCCESS;\r | |
457 | }\r | |
458 | \r | |
459 | /**\r | |
460 | \r | |
461 | Remove interrupt EDs that match requirement\r | |
462 | \r | |
463 | @Param Ohc UHC private data\r | |
464 | @Param FunctionAddress Requirement on function address\r | |
465 | @Param EndPointNum Requirement on end point number\r | |
466 | \r | |
467 | @retval EFI_SUCCESS EDs match requirement removed\r | |
468 | \r | |
469 | **/\r | |
470 | EFI_STATUS\r | |
471 | OhciFreeInterruptEdByAddr (\r | |
472 | IN USB_OHCI_HC_DEV *Ohc,\r | |
473 | IN UINT8 FunctionAddress,\r | |
474 | IN UINT8 EndPointNum\r | |
475 | )\r | |
476 | {\r | |
477 | ED_DESCRIPTOR *Ed;\r | |
478 | ED_DESCRIPTOR *TempEd;\r | |
479 | UINTN Index;\r | |
480 | \r | |
481 | for (Index = 0; Index < 32; Index++) {\r | |
482 | Ed = (ED_DESCRIPTOR *)(UINTN)Ohc->HccaMemoryBlock->HccaInterruptTable[Index];\r | |
483 | if (Ed == NULL) {\r | |
484 | continue;\r | |
485 | }\r | |
486 | \r | |
487 | while (Ed->NextED != 0) {\r | |
488 | TempEd = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED);\r | |
489 | if (TempEd->Word0.FunctionAddress == FunctionAddress &&\r | |
490 | TempEd->Word0.EndPointNum == EndPointNum ) {\r | |
491 | Ed->NextED = TempEd->NextED;\r | |
492 | OhciFreeED (Ohc, TempEd);\r | |
493 | } else {\r | |
494 | Ed = (ED_DESCRIPTOR *)(UINTN)(Ed->NextED);\r | |
495 | }\r | |
496 | }\r | |
497 | }\r | |
498 | \r | |
499 | return EFI_SUCCESS;\r | |
500 | }\r | |
501 | \r | |
502 | \r | |
503 | /**\r | |
504 | \r | |
505 | Link Td2 to the end of Td1\r | |
506 | \r | |
507 | @Param Td1 TD to be linked\r | |
508 | @Param Td2 TD to link\r | |
509 | \r | |
510 | @retval EFI_SUCCESS TD successfully linked\r | |
511 | @retval EFI_INVALID_PARAMETER Td1 is NULL\r | |
512 | \r | |
513 | **/\r | |
514 | EFI_STATUS\r | |
515 | OhciLinkTD (\r | |
516 | IN TD_DESCRIPTOR *Td1,\r | |
517 | IN TD_DESCRIPTOR *Td2\r | |
518 | )\r | |
519 | {\r | |
520 | TD_DESCRIPTOR *TempTd;\r | |
521 | \r | |
522 | if (Td1 == NULL) {\r | |
523 | return EFI_INVALID_PARAMETER;\r | |
524 | }\r | |
525 | \r | |
526 | if (Td1 == Td2) {\r | |
527 | return EFI_SUCCESS;\r | |
528 | }\r | |
529 | \r | |
530 | TempTd = Td1;\r | |
531 | while (TempTd->NextTD != 0) {\r | |
532 | TempTd = (TD_DESCRIPTOR *)(UINTN)(TempTd->NextTD);\r | |
533 | }\r | |
534 | \r | |
535 | TempTd->NextTD = (UINT32)(UINTN)Td2;\r | |
536 | TempTd->NextTDPointer = (UINT32)(UINTN)Td2;\r | |
537 | \r | |
538 | return EFI_SUCCESS;\r | |
539 | }\r | |
540 | \r | |
541 | \r | |
542 | /**\r | |
543 | \r | |
544 | Attach TD list to ED\r | |
545 | \r | |
546 | @Param Ed ED which TD list attach on\r | |
547 | @Param HeadTd Head of the TD list to attach\r | |
548 | \r | |
549 | @retval EFI_SUCCESS TD list attached on the ED\r | |
550 | \r | |
551 | **/\r | |
552 | EFI_STATUS\r | |
553 | OhciAttachTDListToED (\r | |
554 | IN ED_DESCRIPTOR *Ed,\r | |
555 | IN TD_DESCRIPTOR *HeadTd\r | |
556 | )\r | |
557 | {\r | |
558 | TD_DESCRIPTOR *TempTd;\r | |
559 | \r | |
560 | TempTd = TD_PTR (Ed->Word2.TdHeadPointer);\r | |
561 | \r | |
562 | if (TempTd != NULL) {\r | |
563 | while (TempTd->NextTD != 0) {\r | |
564 | TempTd = (TD_DESCRIPTOR *)(UINTN)(TempTd->NextTD);\r | |
565 | }\r | |
566 | TempTd->NextTD = (UINT32)(UINTN)HeadTd;\r | |
567 | TempTd->NextTDPointer = (UINT32)(UINTN)HeadTd;\r | |
568 | } else {\r | |
569 | Ed->Word2.TdHeadPointer = RIGHT_SHIFT_4 ((UINT32)(UINTN)HeadTd);\r | |
570 | }\r | |
571 | \r | |
572 | return EFI_SUCCESS;\r | |
573 | }\r | |
574 | \r | |
575 | \r | |
576 | /**\r | |
577 | \r | |
578 | Set value to ED specific field\r | |
579 | \r | |
580 | @Param Ed ED to be set\r | |
581 | @Param Field Field to be set\r | |
582 | @Param Value Value to set\r | |
583 | \r | |
584 | @retval EFI_SUCCESS Value set\r | |
585 | \r | |
586 | **/\r | |
587 | EFI_STATUS\r | |
588 | OhciSetEDField (\r | |
589 | IN ED_DESCRIPTOR *Ed,\r | |
590 | IN UINT32 Field,\r | |
591 | IN UINT32 Value\r | |
592 | )\r | |
593 | {\r | |
594 | if (Field & ED_FUNC_ADD) {\r | |
595 | Ed->Word0.FunctionAddress = Value;\r | |
596 | }\r | |
597 | if (Field & ED_ENDPT_NUM) {\r | |
598 | Ed->Word0.EndPointNum = Value;\r | |
599 | }\r | |
600 | if (Field & ED_DIR) {\r | |
601 | Ed->Word0.Direction = Value;\r | |
602 | }\r | |
603 | if (Field & ED_SPEED) {\r | |
604 | Ed->Word0.Speed = Value;\r | |
605 | }\r | |
606 | if (Field & ED_SKIP) {\r | |
607 | Ed->Word0.Skip = Value;\r | |
608 | }\r | |
609 | if (Field & ED_FORMAT) {\r | |
610 | Ed->Word0.Format = Value;\r | |
611 | }\r | |
612 | if (Field & ED_MAX_PACKET) {\r | |
613 | Ed->Word0.MaxPacketSize = Value;\r | |
614 | }\r | |
615 | if (Field & ED_PDATA) {\r | |
616 | Ed->Word0.FreeSpace = Value;\r | |
617 | }\r | |
618 | if (Field & ED_ZERO) {\r | |
619 | Ed->Word2.Zero = Value;\r | |
620 | }\r | |
621 | if (Field & ED_TDTAIL_PTR) {\r | |
622 | Ed->TdTailPointer = Value;\r | |
623 | }\r | |
624 | \r | |
625 | if (Field & ED_HALTED) {\r | |
626 | Ed->Word2.Halted = Value;\r | |
627 | }\r | |
628 | if (Field & ED_DTTOGGLE) {\r | |
629 | Ed->Word2.ToggleCarry = Value;\r | |
630 | }\r | |
631 | if (Field & ED_TDHEAD_PTR) {\r | |
632 | Ed->Word2.TdHeadPointer = RIGHT_SHIFT_4 (Value);\r | |
633 | }\r | |
634 | \r | |
635 | if (Field & ED_NEXT_EDPTR) {\r | |
636 | Ed->NextED = Value;\r | |
637 | }\r | |
638 | \r | |
639 | return EFI_SUCCESS;\r | |
640 | }\r | |
641 | \r | |
642 | /**\r | |
643 | \r | |
644 | Get value from an ED's specific field\r | |
645 | \r | |
646 | @Param Ed ED pointer\r | |
647 | @Param Field Field to get value from\r | |
648 | \r | |
649 | @retval Value of the field\r | |
650 | \r | |
651 | **/\r | |
652 | UINT32\r | |
653 | OhciGetEDField (\r | |
654 | IN ED_DESCRIPTOR *Ed,\r | |
655 | IN UINT32 Field\r | |
656 | )\r | |
657 | {\r | |
658 | switch (Field) {\r | |
659 | case ED_FUNC_ADD:\r | |
660 | return Ed->Word0.FunctionAddress;\r | |
661 | break;\r | |
662 | case ED_ENDPT_NUM:\r | |
663 | return Ed->Word0.EndPointNum;\r | |
664 | break;\r | |
665 | case ED_DIR:\r | |
666 | return Ed->Word0.Direction;\r | |
667 | break;\r | |
668 | case ED_SPEED:\r | |
669 | return Ed->Word0.Speed;\r | |
670 | break;\r | |
671 | case ED_SKIP:\r | |
672 | return Ed->Word0.Skip;\r | |
673 | break;\r | |
674 | case ED_FORMAT:\r | |
675 | return Ed->Word0.Format;\r | |
676 | break;\r | |
677 | case ED_MAX_PACKET:\r | |
678 | return Ed->Word0.MaxPacketSize;\r | |
679 | break;\r | |
680 | \r | |
681 | case ED_TDTAIL_PTR:\r | |
682 | return Ed->TdTailPointer;\r | |
683 | break;\r | |
684 | \r | |
685 | case ED_HALTED:\r | |
686 | return Ed->Word2.Halted;\r | |
687 | break;\r | |
688 | \r | |
689 | case ED_DTTOGGLE:\r | |
690 | return Ed->Word2.ToggleCarry;\r | |
691 | break;\r | |
692 | \r | |
693 | case ED_TDHEAD_PTR:\r | |
694 | return Ed->Word2.TdHeadPointer << 4;\r | |
695 | break;\r | |
696 | \r | |
697 | case ED_NEXT_EDPTR:\r | |
698 | return Ed->NextED;\r | |
699 | break;\r | |
700 | \r | |
701 | default:\r | |
702 | ASSERT (FALSE);\r | |
703 | }\r | |
704 | \r | |
705 | return 0;\r | |
706 | }\r | |
707 | \r | |
708 | \r | |
709 | /**\r | |
710 | \r | |
711 | Set value to TD specific field\r | |
712 | \r | |
713 | @Param Td TD to be set\r | |
714 | @Param Field Field to be set\r | |
715 | @Param Value Value to set\r | |
716 | \r | |
717 | @retval EFI_SUCCESS Value set\r | |
718 | \r | |
719 | **/\r | |
720 | EFI_STATUS\r | |
721 | OhciSetTDField (\r | |
722 | IN TD_DESCRIPTOR *Td,\r | |
723 | IN UINT32 Field,\r | |
724 | IN UINT32 Value\r | |
725 | )\r | |
726 | {\r | |
727 | if (Field & TD_PDATA) {\r | |
728 | Td->Word0.Reserved = Value;\r | |
729 | }\r | |
730 | if (Field & TD_BUFFER_ROUND) {\r | |
731 | Td->Word0.BufferRounding = Value;\r | |
732 | }\r | |
733 | if (Field & TD_DIR_PID) {\r | |
734 | Td->Word0.DirPID = Value;\r | |
735 | }\r | |
736 | if (Field & TD_DELAY_INT) {\r | |
737 | Td->Word0.DelayInterrupt = Value;\r | |
738 | }\r | |
739 | if (Field & TD_DT_TOGGLE) {\r | |
740 | Td->Word0.DataToggle = Value | 0x2;\r | |
741 | }\r | |
742 | if (Field & TD_ERROR_CNT) {\r | |
743 | Td->Word0.ErrorCount = Value;\r | |
744 | }\r | |
745 | if (Field & TD_COND_CODE) {\r | |
746 | Td->Word0.ConditionCode = Value;\r | |
747 | }\r | |
748 | \r | |
749 | if (Field & TD_CURR_BUFFER_PTR) {\r | |
750 | Td->CurrBufferPointer = Value;\r | |
751 | }\r | |
752 | \r | |
753 | \r | |
754 | if (Field & TD_NEXT_PTR) {\r | |
755 | Td->NextTD = Value;\r | |
756 | }\r | |
757 | \r | |
758 | if (Field & TD_BUFFER_END_PTR) {\r | |
759 | Td->BufferEndPointer = Value;\r | |
760 | }\r | |
761 | \r | |
762 | return EFI_SUCCESS;\r | |
763 | }\r | |
764 | \r | |
765 | \r | |
766 | /**\r | |
767 | \r | |
768 | Get value from ED specific field\r | |
769 | \r | |
770 | @Param Td TD pointer\r | |
771 | @Param Field Field to get value from\r | |
772 | \r | |
773 | @retval Value of the field\r | |
774 | \r | |
775 | **/\r | |
776 | \r | |
777 | UINT32\r | |
778 | OhciGetTDField (\r | |
779 | IN TD_DESCRIPTOR *Td,\r | |
780 | IN UINT32 Field\r | |
781 | )\r | |
782 | {\r | |
783 | switch (Field){\r | |
784 | case TD_BUFFER_ROUND:\r | |
785 | return Td->Word0.BufferRounding;\r | |
786 | break;\r | |
787 | case TD_DIR_PID:\r | |
788 | return Td->Word0.DirPID;\r | |
789 | break;\r | |
790 | case TD_DELAY_INT:\r | |
791 | return Td->Word0.DelayInterrupt;\r | |
792 | break;\r | |
793 | case TD_DT_TOGGLE:\r | |
794 | return Td->Word0.DataToggle;\r | |
795 | break;\r | |
796 | case TD_ERROR_CNT:\r | |
797 | return Td->Word0.ErrorCount;\r | |
798 | break;\r | |
799 | case TD_COND_CODE:\r | |
800 | return Td->Word0.ConditionCode;\r | |
801 | break;\r | |
802 | case TD_CURR_BUFFER_PTR:\r | |
803 | return Td->CurrBufferPointer;\r | |
804 | break;\r | |
805 | \r | |
806 | case TD_NEXT_PTR:\r | |
807 | return Td->NextTD;\r | |
808 | break;\r | |
809 | \r | |
810 | case TD_BUFFER_END_PTR:\r | |
811 | return Td->BufferEndPointer;\r | |
812 | break;\r | |
813 | \r | |
814 | default:\r | |
815 | ASSERT (FALSE);\r | |
816 | }\r | |
817 | \r | |
818 | return 0;\r | |
819 | }\r | |
820 | \r | |
821 | /**\r | |
822 | \r | |
823 | Free the Ed,Td,buffer that were created during transferring\r | |
824 | \r | |
825 | @Param Ohc Device private data\r | |
826 | **/\r | |
827 | \r | |
828 | VOID\r | |
829 | OhciFreeDynamicIntMemory(\r | |
830 | IN USB_OHCI_HC_DEV *Ohc\r | |
831 | )\r | |
832 | {\r | |
833 | INTERRUPT_CONTEXT_ENTRY *Entry;\r | |
834 | if (Ohc != NULL) {\r | |
835 | while (Ohc->InterruptContextList != NULL) {\r | |
836 | Entry = Ohc->InterruptContextList;\r | |
837 | Ohc->InterruptContextList = Ohc->InterruptContextList->NextEntry;\r | |
838 | OhciFreeInterruptEdByEd (Ohc, Entry->Ed);\r | |
839 | OhciFreeInterruptContextEntry (Ohc, Entry);\r | |
840 | }\r | |
841 | }\r | |
842 | }\r | |
843 | /**\r | |
844 | \r | |
845 | Free the Ed that were initilized during driver was starting,\r | |
846 | those memory were used as interrupt ED head\r | |
847 | \r | |
848 | @Param Ohc Device private data\r | |
849 | \r | |
850 | \r | |
851 | **/\r | |
852 | VOID\r | |
853 | OhciFreeFixedIntMemory (\r | |
854 | IN USB_OHCI_HC_DEV *Ohc\r | |
855 | )\r | |
856 | {\r | |
857 | static UINT32 Leaf[] = {32,16,8,4,2,1};\r | |
858 | UINTN Index;\r | |
859 | UINTN Level;\r | |
860 | \r | |
861 | for (Level = 0; Level < 6; Level++) {\r | |
862 | for (Index = 0; Index < Leaf[Level]; Index++) {\r | |
863 | if (Ohc->IntervalList[Level][Index] != NULL) {\r | |
864 | UsbHcFreeMem(Ohc->MemPool, Ohc->IntervalList[Level][Index], sizeof(ED_DESCRIPTOR));\r | |
865 | }\r | |
866 | }\r | |
867 | }\r | |
868 | }\r | |
869 | /**\r | |
870 | \r | |
871 | Release all OHCI used memory when OHCI going to quit\r | |
872 | \r | |
873 | @Param Ohc Device private data\r | |
874 | \r | |
875 | @retval EFI_SUCCESS Memory released\r | |
876 | \r | |
877 | **/\r | |
878 | \r | |
879 | EFI_STATUS\r | |
880 | OhciFreeIntTransferMemory (\r | |
881 | IN USB_OHCI_HC_DEV *Ohc\r | |
882 | )\r | |
883 | {\r | |
884 | //\r | |
885 | // Free the Ed,Td,buffer that were created during transferring\r | |
886 | //\r | |
887 | OhciFreeDynamicIntMemory (Ohc);\r | |
888 | //\r | |
889 | // Free the Ed that were initilized during driver was starting\r | |
890 | //\r | |
891 | OhciFreeFixedIntMemory (Ohc);\r | |
892 | return EFI_SUCCESS;\r | |
893 | }\r | |
894 | \r | |
895 | \r |