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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | UhcHlp.c\r | |
15 | \r | |
16 | Abstract: \r | |
17 | \r | |
18 | \r | |
19 | Revision History\r | |
20 | --*/\r | |
21 | \r | |
22 | #include "uhci.h"\r | |
23 | \r | |
24 | EFI_STATUS\r | |
25 | USBReadPortW (\r | |
26 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
27 | IN UINT32 PortOffset,\r | |
28 | IN OUT UINT16 *Data\r | |
29 | )\r | |
30 | /*++\r | |
31 | \r | |
32 | Routine Description:\r | |
33 | \r | |
34 | USBReadPort Word\r | |
35 | \r | |
36 | Arguments:\r | |
37 | \r | |
38 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
39 | PortOffset - Port offset\r | |
40 | Data - Data to reutrn\r | |
41 | \r | |
42 | Returns:\r | |
43 | \r | |
44 | EFI_SUCCESS\r | |
45 | \r | |
46 | --*/\r | |
47 | {\r | |
48 | //\r | |
49 | // Perform 16bit Read in PCI IO Space\r | |
50 | //\r | |
51 | return PciIo->Io.Read (\r | |
52 | PciIo,\r | |
53 | EfiPciIoWidthUint16,\r | |
54 | USB_BAR_INDEX,\r | |
55 | (UINT64) PortOffset,\r | |
56 | 1,\r | |
57 | Data\r | |
58 | );\r | |
59 | }\r | |
60 | \r | |
61 | EFI_STATUS\r | |
62 | USBReadPortDW (\r | |
63 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
64 | IN UINT32 PortOffset,\r | |
65 | IN OUT UINT32 *Data\r | |
66 | )\r | |
67 | /*++\r | |
68 | \r | |
69 | Routine Description:\r | |
70 | \r | |
71 | USBReadPort DWord\r | |
72 | \r | |
73 | Arguments:\r | |
74 | \r | |
75 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
76 | PortOffset - Port offset\r | |
77 | Data - Data to reutrn\r | |
78 | \r | |
79 | Returns:\r | |
80 | \r | |
81 | EFI_SUCCESS\r | |
82 | \r | |
83 | --*/\r | |
84 | {\r | |
85 | //\r | |
86 | // Perform 32bit Read in PCI IO Space\r | |
87 | //\r | |
88 | return PciIo->Io.Read (\r | |
89 | PciIo,\r | |
90 | EfiPciIoWidthUint32,\r | |
91 | USB_BAR_INDEX,\r | |
92 | (UINT64) PortOffset,\r | |
93 | 1,\r | |
94 | Data\r | |
95 | );\r | |
96 | }\r | |
97 | \r | |
98 | EFI_STATUS\r | |
99 | USBWritePortW (\r | |
100 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
101 | IN UINT32 PortOffset,\r | |
102 | IN UINT16 Data\r | |
103 | )\r | |
104 | /*++\r | |
105 | \r | |
106 | Routine Description:\r | |
107 | \r | |
108 | USB Write Port Word\r | |
109 | \r | |
110 | Arguments:\r | |
111 | \r | |
112 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
113 | PortOffset - Port offset\r | |
114 | Data - Data to write\r | |
115 | \r | |
116 | Returns:\r | |
117 | \r | |
118 | EFI_SUCCESS\r | |
119 | \r | |
120 | --*/\r | |
121 | {\r | |
122 | //\r | |
123 | // Perform 16bit Write in PCI IO Space\r | |
124 | //\r | |
125 | return PciIo->Io.Write (\r | |
126 | PciIo,\r | |
127 | EfiPciIoWidthUint16,\r | |
128 | USB_BAR_INDEX,\r | |
129 | (UINT64) PortOffset,\r | |
130 | 1,\r | |
131 | &Data\r | |
132 | );\r | |
133 | }\r | |
134 | \r | |
135 | EFI_STATUS\r | |
136 | USBWritePortDW (\r | |
137 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
138 | IN UINT32 PortOffset,\r | |
139 | IN UINT32 Data\r | |
140 | )\r | |
141 | /*++\r | |
142 | \r | |
143 | Routine Description:\r | |
144 | \r | |
145 | USB Write Port DWord\r | |
146 | \r | |
147 | Arguments:\r | |
148 | \r | |
149 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
150 | PortOffset - Port offset\r | |
151 | Data - Data to write\r | |
152 | \r | |
153 | Returns:\r | |
154 | \r | |
155 | EFI_SUCCESS\r | |
156 | \r | |
157 | --*/\r | |
158 | {\r | |
159 | //\r | |
160 | // Perform 32bit Write in PCI IO Space\r | |
161 | //\r | |
162 | return PciIo->Io.Write (\r | |
163 | PciIo,\r | |
164 | EfiPciIoWidthUint32,\r | |
165 | USB_BAR_INDEX,\r | |
166 | (UINT64) PortOffset,\r | |
167 | 1,\r | |
168 | &Data\r | |
169 | );\r | |
170 | }\r | |
171 | //\r | |
172 | // USB register-base helper functions\r | |
173 | //\r | |
174 | EFI_STATUS\r | |
175 | WriteUHCCommandReg (\r | |
176 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
177 | IN UINT32 CmdAddrOffset,\r | |
178 | IN UINT16 UsbCmd\r | |
179 | )\r | |
180 | /*++\r | |
181 | \r | |
182 | Routine Description:\r | |
183 | \r | |
184 | Write UHCI Command Register\r | |
185 | \r | |
186 | Arguments:\r | |
187 | \r | |
188 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
189 | CmdAddrOffset - Command address offset\r | |
190 | UsbCmd - Data to write\r | |
191 | \r | |
192 | Returns:\r | |
193 | \r | |
194 | EFI_SUCCESS\r | |
195 | \r | |
196 | --*/\r | |
197 | {\r | |
198 | //\r | |
199 | // Write to UHC's Command Register\r | |
200 | //\r | |
201 | return USBWritePortW (PciIo, CmdAddrOffset, UsbCmd);\r | |
202 | }\r | |
203 | \r | |
204 | EFI_STATUS\r | |
205 | ReadUHCCommandReg (\r | |
206 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
207 | IN UINT32 CmdAddrOffset,\r | |
208 | IN OUT UINT16 *Data\r | |
209 | )\r | |
210 | /*++\r | |
211 | \r | |
212 | Routine Description:\r | |
213 | \r | |
214 | Read UHCI Command Register\r | |
215 | \r | |
216 | Arguments:\r | |
217 | \r | |
218 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
219 | CmdAddrOffset - Command address offset\r | |
220 | Data - Data to return\r | |
221 | \r | |
222 | Returns:\r | |
223 | \r | |
224 | EFI_SUCCESS\r | |
225 | \r | |
226 | --*/\r | |
227 | {\r | |
228 | //\r | |
229 | // Read from UHC's Command Register\r | |
230 | //\r | |
231 | return USBReadPortW (PciIo, CmdAddrOffset, Data);\r | |
232 | }\r | |
233 | \r | |
234 | EFI_STATUS\r | |
235 | WriteUHCStatusReg (\r | |
236 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
237 | IN UINT32 StatusAddrOffset,\r | |
238 | IN UINT16 UsbSts\r | |
239 | )\r | |
240 | /*++\r | |
241 | \r | |
242 | Routine Description:\r | |
243 | \r | |
244 | Write UHCI Staus Register\r | |
245 | \r | |
246 | Arguments:\r | |
247 | \r | |
248 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
249 | StatusAddrOffset - Status address offset\r | |
250 | UsbSts - Data to write\r | |
251 | \r | |
252 | Returns:\r | |
253 | \r | |
254 | EFI_SUCCESS\r | |
255 | \r | |
256 | --*/\r | |
257 | {\r | |
258 | //\r | |
259 | // Write to UHC's Status Register\r | |
260 | //\r | |
261 | return USBWritePortW (PciIo, StatusAddrOffset, UsbSts);\r | |
262 | }\r | |
263 | \r | |
264 | EFI_STATUS\r | |
265 | ReadUHCStatusReg (\r | |
266 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
267 | IN UINT32 StatusAddrOffset,\r | |
268 | IN OUT UINT16 *Data\r | |
269 | )\r | |
270 | /*++\r | |
271 | \r | |
272 | Routine Description:\r | |
273 | \r | |
274 | Read UHCI Staus Register\r | |
275 | \r | |
276 | Arguments:\r | |
277 | \r | |
278 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
279 | StatusAddrOffset - Status address offset\r | |
280 | UsbSts - Data to return\r | |
281 | \r | |
282 | Returns:\r | |
283 | \r | |
284 | EFI_SUCCESS\r | |
285 | \r | |
286 | --*/\r | |
287 | {\r | |
288 | //\r | |
289 | // Read from UHC's Status Register\r | |
290 | //\r | |
291 | return USBReadPortW (PciIo, StatusAddrOffset, Data);\r | |
292 | }\r | |
293 | \r | |
294 | \r | |
295 | EFI_STATUS\r | |
296 | ClearStatusReg (\r | |
297 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
298 | IN UINT32 StatusAddrOffset\r | |
299 | )\r | |
300 | /*++\r | |
301 | \r | |
302 | Routine Description:\r | |
303 | \r | |
304 | Clear the content of UHC's Status Register\r | |
305 | \r | |
306 | Arguments:\r | |
307 | \r | |
308 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
309 | StatusAddrOffset - Status address offset\r | |
310 | \r | |
311 | Returns:\r | |
312 | \r | |
313 | EFI_SUCCESS\r | |
314 | \r | |
315 | --*/\r | |
316 | {\r | |
317 | \r | |
318 | return WriteUHCStatusReg (PciIo, StatusAddrOffset, 0x003F);\r | |
319 | }\r | |
320 | \r | |
321 | EFI_STATUS\r | |
322 | ReadUHCFrameNumberReg (\r | |
323 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
324 | IN UINT32 FrameNumAddrOffset,\r | |
325 | IN OUT UINT16 *Data\r | |
326 | )\r | |
327 | /*++\r | |
328 | \r | |
329 | Routine Description:\r | |
330 | \r | |
331 | Read from UHC's Frame Number Register\r | |
332 | \r | |
333 | Arguments:\r | |
334 | \r | |
335 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
336 | FrameNumAddrOffset - Frame number register offset\r | |
337 | Data - Data to return \r | |
338 | Returns:\r | |
339 | \r | |
340 | EFI_SUCCESS\r | |
341 | \r | |
342 | --*/\r | |
343 | {\r | |
344 | \r | |
345 | return USBReadPortW (PciIo, FrameNumAddrOffset, Data);\r | |
346 | }\r | |
347 | \r | |
348 | EFI_STATUS\r | |
349 | WriteUHCFrameListBaseReg (\r | |
350 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
351 | IN UINT32 FlBaseAddrOffset,\r | |
352 | IN UINT32 UsbFrameListBaseAddr\r | |
353 | )\r | |
354 | /*++\r | |
355 | \r | |
356 | Routine Description:\r | |
357 | \r | |
358 | Write to UHC's Frame List Base Register\r | |
359 | \r | |
360 | Arguments:\r | |
361 | \r | |
362 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
363 | FlBaseAddrOffset - Frame Base address register\r | |
364 | UsbFrameListBaseAddr - Address to write\r | |
365 | \r | |
366 | Returns:\r | |
367 | \r | |
368 | EFI_SUCCESS\r | |
369 | \r | |
370 | --*/\r | |
371 | {\r | |
372 | \r | |
373 | return USBWritePortDW (PciIo, FlBaseAddrOffset, UsbFrameListBaseAddr);\r | |
374 | }\r | |
375 | \r | |
376 | EFI_STATUS\r | |
377 | ReadRootPortReg (\r | |
378 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
379 | IN UINT32 PortAddrOffset,\r | |
380 | IN OUT UINT16 *Data\r | |
381 | )\r | |
382 | /*++\r | |
383 | \r | |
384 | Routine Description:\r | |
385 | \r | |
386 | Read from UHC's Root Port Register\r | |
387 | \r | |
388 | Arguments:\r | |
389 | \r | |
390 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
391 | PortAddrOffset - Port Addrress Offset,\r | |
392 | Data - Data to return\r | |
393 | Returns:\r | |
394 | \r | |
395 | EFI_SUCCESS\r | |
396 | \r | |
397 | --*/\r | |
398 | {\r | |
399 | \r | |
400 | return USBReadPortW (PciIo, PortAddrOffset, Data);\r | |
401 | }\r | |
402 | \r | |
403 | EFI_STATUS\r | |
404 | WriteRootPortReg (\r | |
405 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
406 | IN UINT32 PortAddrOffset,\r | |
407 | IN UINT16 ControlBits\r | |
408 | )\r | |
409 | /*++\r | |
410 | \r | |
411 | Routine Description:\r | |
412 | \r | |
413 | Write to UHC's Root Port Register\r | |
414 | \r | |
415 | Arguments:\r | |
416 | \r | |
417 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
418 | PortAddrOffset - Port Addrress Offset,\r | |
419 | ControlBits - Data to write\r | |
420 | Returns:\r | |
421 | \r | |
422 | EFI_SUCCESS\r | |
423 | \r | |
424 | --*/\r | |
425 | {\r | |
426 | \r | |
427 | return USBWritePortW (PciIo, PortAddrOffset, ControlBits);\r | |
428 | }\r | |
429 | \r | |
430 | \r | |
431 | \r | |
432 | EFI_STATUS\r | |
433 | WaitForUHCHalt (\r | |
434 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
435 | IN UINT32 StatusRegAddr,\r | |
436 | IN UINTN Timeout\r | |
437 | )\r | |
438 | /*++\r | |
439 | \r | |
440 | Routine Description:\r | |
441 | \r | |
442 | Wait until UHCI halt or timeout\r | |
443 | \r | |
444 | Arguments:\r | |
445 | \r | |
446 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
447 | StatusRegAddr - Status Register Address\r | |
448 | Timeout - Time out value in us\r | |
449 | \r | |
450 | Returns:\r | |
451 | \r | |
452 | EFI_DEVICE_ERROR - Unable to read the status register\r | |
453 | EFI_TIMEOUT - Time out\r | |
454 | EFI_SUCCESS - Success\r | |
455 | \r | |
456 | --*/\r | |
457 | {\r | |
458 | UINTN Delay;\r | |
459 | EFI_STATUS Status;\r | |
460 | UINT16 HcStatus;\r | |
461 | \r | |
462 | //\r | |
463 | // Timeout is in us unit\r | |
464 | //\r | |
465 | Delay = (Timeout / 50) + 1;\r | |
466 | do {\r | |
467 | Status = ReadUHCStatusReg (PciIo, StatusRegAddr, &HcStatus);\r | |
468 | if (EFI_ERROR (Status)) {\r | |
469 | return EFI_DEVICE_ERROR;\r | |
470 | }\r | |
471 | \r | |
472 | if ((HcStatus & USBSTS_HCH) == USBSTS_HCH) {\r | |
473 | break;\r | |
474 | }\r | |
475 | //\r | |
476 | // Stall for 50 us\r | |
477 | //\r | |
478 | gBS->Stall (50);\r | |
479 | \r | |
480 | } while (Delay--);\r | |
481 | \r | |
482 | if (Delay == 0) {\r | |
483 | return EFI_TIMEOUT;\r | |
484 | }\r | |
485 | \r | |
486 | return EFI_SUCCESS;\r | |
487 | }\r | |
488 | \r | |
489 | BOOLEAN\r | |
490 | IsStatusOK (\r | |
491 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
492 | IN UINT32 StatusRegAddr\r | |
493 | )\r | |
494 | /*++\r | |
495 | \r | |
496 | Routine Description:\r | |
497 | \r | |
498 | Judge whether the host controller operates well\r | |
499 | \r | |
500 | Arguments:\r | |
501 | \r | |
502 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
503 | StatusRegAddr - Status register address\r | |
504 | \r | |
505 | Returns:\r | |
506 | \r | |
507 | TRUE - Status is good\r | |
508 | FALSE - Status is bad\r | |
509 | \r | |
510 | --*/\r | |
511 | {\r | |
512 | EFI_STATUS Status;\r | |
513 | UINT16 HcStatus;\r | |
514 | //\r | |
515 | // Detect whether the interrupt is caused by fatal error.\r | |
516 | // see "UHCI Design Guid".\r | |
517 | //\r | |
518 | Status = ReadUHCStatusReg (PciIo, StatusRegAddr, &HcStatus);\r | |
519 | if (EFI_ERROR (Status)) {\r | |
520 | return FALSE;\r | |
521 | }\r | |
522 | \r | |
523 | if (HcStatus & (USBSTS_HCPE | USBSTS_HSE | USBSTS_HCH)) {\r | |
524 | return FALSE;\r | |
525 | } else {\r | |
526 | return TRUE;\r | |
527 | }\r | |
528 | \r | |
529 | }\r | |
530 | \r | |
531 | \r | |
532 | BOOLEAN \r | |
533 | IsHostSysOrProcessErr (\r | |
534 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
535 | IN UINT32 StatusRegAddr\r | |
536 | )\r | |
537 | /*++\r | |
538 | \r | |
539 | Routine Description:\r | |
540 | \r | |
541 | Judge the status is HostSys,ProcessErr error or good\r | |
542 | \r | |
543 | Arguments:\r | |
544 | \r | |
545 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
546 | StatusRegAddr - Status register address\r | |
547 | \r | |
548 | Returns:\r | |
549 | \r | |
550 | TRUE - Status is good\r | |
551 | FALSE - Status is bad\r | |
552 | \r | |
553 | --*/\r | |
554 | {\r | |
555 | EFI_STATUS Status;\r | |
556 | UINT16 HcStatus;\r | |
557 | //\r | |
558 | // Detect whether the interrupt is caused by serious error.\r | |
559 | // see "UHCI Design Guid".\r | |
560 | //\r | |
561 | Status = ReadUHCStatusReg (PciIo, StatusRegAddr, &HcStatus);\r | |
562 | if (EFI_ERROR (Status)) {\r | |
563 | return FALSE;\r | |
564 | }\r | |
565 | \r | |
566 | if (HcStatus & (USBSTS_HSE | USBSTS_HCPE)) {\r | |
567 | return TRUE;\r | |
568 | } else {\r | |
569 | return FALSE;\r | |
570 | }\r | |
571 | }\r | |
572 | \r | |
573 | \r | |
574 | UINT16\r | |
575 | GetCurrentFrameNumber (\r | |
576 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
577 | IN UINT32 FrameNumAddrOffset\r | |
578 | )\r | |
579 | /*++\r | |
580 | \r | |
581 | Routine Description:\r | |
582 | \r | |
583 | Get Current Frame Number\r | |
584 | \r | |
585 | Arguments:\r | |
586 | \r | |
587 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
588 | FrameNumAddrOffset - FrameNum register AddrOffset\r | |
589 | \r | |
590 | Returns:\r | |
591 | \r | |
592 | Frame number \r | |
593 | \r | |
594 | --*/\r | |
595 | {\r | |
596 | //\r | |
597 | // Gets value in the USB frame number register.\r | |
598 | //\r | |
599 | UINT16 FrameNumber;\r | |
600 | \r | |
601 | ReadUHCFrameNumberReg (PciIo, FrameNumAddrOffset, &FrameNumber);\r | |
602 | \r | |
603 | return (UINT16) (FrameNumber & 0x03FF);\r | |
604 | }\r | |
605 | \r | |
606 | EFI_STATUS\r | |
607 | SetFrameListBaseAddress (\r | |
608 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
609 | IN UINT32 FlBaseAddrReg,\r | |
610 | IN UINT32 Addr\r | |
611 | )\r | |
612 | /*++\r | |
613 | \r | |
614 | Routine Description:\r | |
615 | \r | |
616 | Set FrameListBase Address\r | |
617 | \r | |
618 | Arguments:\r | |
619 | \r | |
620 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
621 | FlBaseAddrReg - FrameListBase register\r | |
622 | Addr - Address to set\r | |
623 | \r | |
624 | Returns:\r | |
625 | \r | |
626 | EFI_SUCCESS\r | |
627 | \r | |
628 | --*/\r | |
629 | {\r | |
630 | //\r | |
631 | // Sets value in the USB Frame List Base Address register.\r | |
632 | //\r | |
633 | return WriteUHCFrameListBaseReg (PciIo, FlBaseAddrReg, (UINT32) (Addr & 0xFFFFF000));\r | |
634 | }\r | |
635 | \r | |
636 | VOID\r | |
637 | EnableMaxPacketSize (\r | |
638 | IN USB_HC_DEV *HcDev\r | |
639 | )\r | |
640 | /*++\r | |
641 | \r | |
642 | Routine Description:\r | |
643 | \r | |
644 | Enable Max Packet Size\r | |
645 | \r | |
646 | Arguments:\r | |
647 | \r | |
648 | HcDev - USB_HC_DEV\r | |
649 | \r | |
650 | Returns:\r | |
651 | \r | |
652 | VOID\r | |
653 | \r | |
654 | --*/\r | |
655 | {\r | |
656 | UINT16 CommandContent;\r | |
657 | EFI_STATUS Status;\r | |
658 | \r | |
659 | Status = ReadUHCCommandReg (\r | |
660 | HcDev->PciIo,\r | |
661 | (UINT32) (USBCMD),\r | |
662 | &CommandContent\r | |
663 | );\r | |
664 | \r | |
665 | if ((CommandContent & USBCMD_MAXP) != USBCMD_MAXP) {\r | |
666 | CommandContent |= USBCMD_MAXP;\r | |
667 | WriteUHCCommandReg (\r | |
668 | HcDev->PciIo,\r | |
669 | (UINT32) (USBCMD),\r | |
670 | CommandContent\r | |
671 | );\r | |
672 | }\r | |
673 | \r | |
674 | return ;\r | |
675 | }\r | |
676 | \r | |
677 | EFI_STATUS\r | |
678 | CreateFrameList (\r | |
679 | IN USB_HC_DEV *HcDev,\r | |
680 | IN UINT32 FlBaseAddrReg\r | |
681 | )\r | |
682 | /*++\r | |
683 | \r | |
684 | Routine Description:\r | |
685 | \r | |
686 | CreateFrameList\r | |
687 | \r | |
688 | Arguments:\r | |
689 | \r | |
690 | HcDev - USB_HC_DEV\r | |
691 | FlBaseAddrReg - Frame List register\r | |
692 | \r | |
693 | Returns:\r | |
694 | \r | |
695 | EFI_OUT_OF_RESOURCES - Can't allocate memory resources\r | |
696 | EFI_UNSUPPORTED - Map memory fail\r | |
697 | EFI_SUCCESS - Success\r | |
698 | \r | |
699 | --*/\r | |
700 | {\r | |
701 | EFI_STATUS Status;\r | |
702 | VOID *CommonBuffer;\r | |
703 | EFI_PHYSICAL_ADDRESS MappedAddress;\r | |
704 | VOID *Mapping;\r | |
705 | UINTN BufferSizeInPages;\r | |
706 | UINTN BufferSizeInBytes;\r | |
707 | \r | |
708 | //\r | |
709 | // The Frame List is a common buffer that will be\r | |
710 | // accessed by both the cpu and the usb bus master\r | |
711 | // at the same time.\r | |
712 | // The Frame List ocupies 4K bytes,\r | |
713 | // and must be aligned on 4-Kbyte boundaries.\r | |
714 | //\r | |
715 | BufferSizeInBytes = 4096;\r | |
716 | BufferSizeInPages = EFI_SIZE_TO_PAGES (BufferSizeInBytes);\r | |
717 | Status = HcDev->PciIo->AllocateBuffer (\r | |
718 | HcDev->PciIo,\r | |
719 | AllocateAnyPages,\r | |
720 | EfiBootServicesData,\r | |
721 | BufferSizeInPages,\r | |
722 | &CommonBuffer,\r | |
723 | 0\r | |
724 | );\r | |
725 | if (EFI_ERROR (Status)) {\r | |
726 | return EFI_OUT_OF_RESOURCES;\r | |
727 | }\r | |
728 | \r | |
729 | Status = HcDev->PciIo->Map (\r | |
730 | HcDev->PciIo,\r | |
731 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
732 | CommonBuffer,\r | |
733 | &BufferSizeInBytes,\r | |
734 | &MappedAddress,\r | |
735 | &Mapping\r | |
736 | );\r | |
737 | if (EFI_ERROR (Status) || (BufferSizeInBytes != 4096)) {\r | |
738 | HcDev->PciIo->FreeBuffer (HcDev->PciIo, BufferSizeInPages, CommonBuffer);\r | |
739 | return EFI_UNSUPPORTED;\r | |
740 | }\r | |
741 | \r | |
742 | HcDev->FrameListEntry = (FRAMELIST_ENTRY *) ((UINTN) MappedAddress);\r | |
743 | \r | |
744 | HcDev->FrameListMapping = Mapping;\r | |
745 | \r | |
746 | InitFrameList (HcDev);\r | |
747 | \r | |
748 | //\r | |
749 | // Tell the Host Controller where the Frame List lies,\r | |
750 | // by set the Frame List Base Address Register.\r | |
751 | //\r | |
752 | SetFrameListBaseAddress (\r | |
753 | HcDev->PciIo,\r | |
754 | FlBaseAddrReg,\r | |
755 | (UINT32) ((UINTN) HcDev->FrameListEntry)\r | |
756 | );\r | |
757 | \r | |
758 | return EFI_SUCCESS;\r | |
759 | }\r | |
760 | \r | |
761 | EFI_STATUS\r | |
762 | FreeFrameListEntry (\r | |
763 | IN USB_HC_DEV *HcDev\r | |
764 | )\r | |
765 | /*++\r | |
766 | \r | |
767 | Routine Description:\r | |
768 | \r | |
769 | Free FrameList buffer\r | |
770 | \r | |
771 | Arguments:\r | |
772 | \r | |
773 | HcDev - USB_HC_DEV\r | |
774 | \r | |
775 | Returns:\r | |
776 | \r | |
777 | EFI_SUCCESS - success\r | |
778 | \r | |
779 | --*/\r | |
780 | {\r | |
781 | //\r | |
782 | // Unmap the common buffer for framelist entry,\r | |
783 | // and free the common buffer.\r | |
784 | // Uhci's frame list occupy 4k memory.\r | |
785 | //\r | |
786 | HcDev->PciIo->Unmap (HcDev->PciIo, HcDev->FrameListMapping);\r | |
787 | HcDev->PciIo->FreeBuffer (\r | |
788 | HcDev->PciIo,\r | |
789 | EFI_SIZE_TO_PAGES (4096),\r | |
790 | (VOID *) (HcDev->FrameListEntry)\r | |
791 | );\r | |
792 | return EFI_SUCCESS;\r | |
793 | }\r | |
794 | \r | |
795 | VOID\r | |
796 | InitFrameList (\r | |
797 | IN USB_HC_DEV *HcDev\r | |
798 | )\r | |
799 | /*++\r | |
800 | \r | |
801 | Routine Description:\r | |
802 | \r | |
803 | Initialize FrameList\r | |
804 | \r | |
805 | Arguments:\r | |
806 | \r | |
807 | HcDev - USB_HC_DEV\r | |
808 | \r | |
809 | Returns:\r | |
810 | VOID\r | |
811 | \r | |
812 | --*/ \r | |
813 | {\r | |
814 | FRAMELIST_ENTRY *FrameListPtr;\r | |
815 | UINTN Index;\r | |
816 | \r | |
817 | //\r | |
818 | // Validate each Frame List Entry\r | |
819 | //\r | |
820 | FrameListPtr = HcDev->FrameListEntry;\r | |
821 | for (Index = 0; Index < 1024; Index++) {\r | |
822 | FrameListPtr->FrameListPtrTerminate = 1;\r | |
823 | FrameListPtr->FrameListPtr = 0;\r | |
824 | FrameListPtr->FrameListPtrQSelect = 0;\r | |
825 | FrameListPtr->FrameListRsvd = 0;\r | |
826 | FrameListPtr++;\r | |
827 | }\r | |
828 | }\r | |
829 | //\r | |
830 | // //////////////////////////////////////////////////////////////\r | |
831 | //\r | |
832 | // QH TD related Helper Functions\r | |
833 | //\r | |
834 | ////////////////////////////////////////////////////////////////\r | |
835 | //\r | |
836 | // functions for QH\r | |
837 | //\r | |
838 | EFI_STATUS\r | |
839 | AllocateQHStruct (\r | |
840 | IN USB_HC_DEV *HcDev,\r | |
841 | OUT QH_STRUCT **ppQHStruct\r | |
842 | )\r | |
843 | /*++\r | |
844 | \r | |
845 | Routine Description:\r | |
846 | \r | |
847 | Allocate QH Struct\r | |
848 | \r | |
849 | Arguments:\r | |
850 | \r | |
851 | HcDev - USB_HC_DEV\r | |
852 | ppQHStruct - QH_STRUCT content to return\r | |
853 | Returns:\r | |
854 | \r | |
855 | EFI_SUCCESS\r | |
856 | \r | |
857 | --*/\r | |
858 | {\r | |
859 | *ppQHStruct = NULL;\r | |
860 | \r | |
861 | //\r | |
862 | // QH must align on 16 bytes alignment,\r | |
863 | // since the memory allocated by UhciAllocatePool ()\r | |
864 | // is aligned on 32 bytes, it is no need to adjust\r | |
865 | // the allocated memory returned.\r | |
866 | //\r | |
867 | return UhciAllocatePool (HcDev, (UINT8 **) ppQHStruct, sizeof (QH_STRUCT));\r | |
868 | }\r | |
869 | \r | |
870 | \r | |
871 | EFI_STATUS\r | |
872 | CreateQH (\r | |
873 | IN USB_HC_DEV *HcDev,\r | |
874 | OUT QH_STRUCT **pptrQH\r | |
875 | )\r | |
876 | /*++\r | |
877 | \r | |
878 | Routine Description:\r | |
879 | \r | |
880 | CreateQH\r | |
881 | \r | |
882 | Arguments:\r | |
883 | \r | |
884 | HcDev - USB_HC_DEV\r | |
885 | ppQHStruct - QH_STRUCT content to return\r | |
886 | Returns:\r | |
887 | \r | |
888 | EFI_SUCCESS - Success\r | |
889 | EFI_OUT_OF_RESOURCES - Can't allocate memory\r | |
890 | --*/\r | |
891 | {\r | |
892 | EFI_STATUS Status;\r | |
893 | \r | |
894 | //\r | |
895 | // allocate align memory for QH_STRUCT\r | |
896 | //\r | |
897 | Status = AllocateQHStruct (HcDev, pptrQH);\r | |
898 | if (EFI_ERROR (Status)) {\r | |
899 | return EFI_OUT_OF_RESOURCES;\r | |
900 | }\r | |
901 | //\r | |
902 | // init each field of the QH_STRUCT\r | |
903 | //\r | |
904 | //\r | |
905 | // Make QH ready\r | |
906 | //\r | |
907 | SetQHHorizontalValidorInvalid (*pptrQH, FALSE);\r | |
908 | SetQHVerticalValidorInvalid (*pptrQH, FALSE);\r | |
909 | \r | |
910 | return EFI_SUCCESS;\r | |
911 | }\r | |
912 | \r | |
913 | VOID\r | |
914 | SetQHHorizontalLinkPtr (\r | |
915 | IN QH_STRUCT *PtrQH,\r | |
916 | IN VOID *ptrNext\r | |
917 | )\r | |
918 | /*++\r | |
919 | \r | |
920 | Routine Description:\r | |
921 | \r | |
922 | Set QH Horizontal Link Pointer\r | |
923 | \r | |
924 | Arguments:\r | |
925 | \r | |
926 | PtrQH - QH_STRUCT\r | |
927 | ptrNext - Data to write \r | |
928 | \r | |
929 | Returns:\r | |
930 | \r | |
931 | VOID\r | |
932 | \r | |
933 | --*/\r | |
934 | {\r | |
935 | //\r | |
936 | // Since the QH_STRUCT is aligned on 16-byte boundaries,\r | |
937 | // Only the highest 28bit of the address is valid\r | |
938 | // (take 32bit address as an example).\r | |
939 | //\r | |
940 | PtrQH->QH.QHHorizontalPtr = (UINT32) ((UINTN) ptrNext >> 4);\r | |
941 | }\r | |
942 | \r | |
943 | VOID *\r | |
944 | GetQHHorizontalLinkPtr (\r | |
945 | IN QH_STRUCT *PtrQH\r | |
946 | )\r | |
947 | /*++\r | |
948 | \r | |
949 | Routine Description:\r | |
950 | \r | |
951 | Get QH Horizontal Link Pointer\r | |
952 | \r | |
953 | Arguments:\r | |
954 | \r | |
955 | PtrQH - QH_STRUCT\r | |
956 | \r | |
957 | \r | |
958 | Returns:\r | |
959 | \r | |
960 | Data to return \r | |
961 | \r | |
962 | --*/\r | |
963 | {\r | |
964 | //\r | |
965 | // Restore the 28bit address to 32bit address\r | |
966 | // (take 32bit address as an example)\r | |
967 | //\r | |
968 | return (VOID *) ((UINTN) (PtrQH->QH.QHHorizontalPtr << 4));\r | |
969 | }\r | |
970 | \r | |
971 | VOID\r | |
972 | SetQHHorizontalQHorTDSelect (\r | |
973 | IN QH_STRUCT *PtrQH,\r | |
974 | IN BOOLEAN bQH\r | |
975 | )\r | |
976 | /*++\r | |
977 | \r | |
978 | Routine Description:\r | |
979 | \r | |
980 | Set QH Horizontal QH or TD \r | |
981 | \r | |
982 | Arguments:\r | |
983 | \r | |
984 | PtrQH - QH_STRUCT\r | |
985 | bQH - TRUE is QH FALSE is TD\r | |
986 | \r | |
987 | Returns:\r | |
988 | VOID\r | |
989 | \r | |
990 | --*/\r | |
991 | {\r | |
992 | //\r | |
993 | // if QH is connected, the specified bit is set,\r | |
994 | // if TD is connected, the specified bit is cleared.\r | |
995 | //\r | |
996 | PtrQH->QH.QHHorizontalQSelect = bQH ? 1 : 0;\r | |
997 | }\r | |
998 | \r | |
999 | \r | |
1000 | VOID\r | |
1001 | SetQHHorizontalValidorInvalid (\r | |
1002 | IN QH_STRUCT *PtrQH,\r | |
1003 | IN BOOLEAN bValid\r | |
1004 | )\r | |
1005 | /*++\r | |
1006 | \r | |
1007 | Routine Description:\r | |
1008 | \r | |
1009 | Set QH Horizontal Valid or Invalid\r | |
1010 | \r | |
1011 | Arguments:\r | |
1012 | \r | |
1013 | PtrQH - QH_STRUCT\r | |
1014 | bValid - TRUE is Valid FALSE is Invalid\r | |
1015 | \r | |
1016 | Returns:\r | |
1017 | VOID\r | |
1018 | \r | |
1019 | --*/\r | |
1020 | {\r | |
1021 | //\r | |
1022 | // Valid means the horizontal link pointer is valid,\r | |
1023 | // else, it's invalid.\r | |
1024 | //\r | |
1025 | PtrQH->QH.QHHorizontalTerminate = bValid ? 0 : 1;\r | |
1026 | }\r | |
1027 | \r | |
1028 | VOID\r | |
1029 | SetQHVerticalLinkPtr (\r | |
1030 | IN QH_STRUCT *PtrQH,\r | |
1031 | IN VOID *ptrNext\r | |
1032 | )\r | |
1033 | /*++\r | |
1034 | \r | |
1035 | Routine Description:\r | |
1036 | \r | |
1037 | Set QH Vertical Link Pointer\r | |
1038 | \r | |
1039 | Arguments:\r | |
1040 | \r | |
1041 | PtrQH - QH_STRUCT\r | |
1042 | ptrNext - Data to write\r | |
1043 | Returns:\r | |
1044 | \r | |
1045 | VOID\r | |
1046 | \r | |
1047 | --*/\r | |
1048 | {\r | |
1049 | //\r | |
1050 | // Since the QH_STRUCT is aligned on 16-byte boundaries,\r | |
1051 | // Only the highest 28bit of the address is valid\r | |
1052 | // (take 32bit address as an example).\r | |
1053 | //\r | |
1054 | PtrQH->QH.QHVerticalPtr = (UINT32) ((UINTN) ptrNext >> 4);\r | |
1055 | }\r | |
1056 | \r | |
1057 | VOID *\r | |
1058 | GetQHVerticalLinkPtr (\r | |
1059 | IN QH_STRUCT *PtrQH\r | |
1060 | )\r | |
1061 | /*++\r | |
1062 | \r | |
1063 | Routine Description:\r | |
1064 | \r | |
1065 | Get QH Vertical Link Pointer\r | |
1066 | \r | |
1067 | Arguments:\r | |
1068 | \r | |
1069 | PtrQH - QH_STRUCT\r | |
1070 | \r | |
1071 | Returns:\r | |
1072 | \r | |
1073 | Data to return\r | |
1074 | \r | |
1075 | --*/\r | |
1076 | {\r | |
1077 | //\r | |
1078 | // Restore the 28bit address to 32bit address\r | |
1079 | // (take 32bit address as an example)\r | |
1080 | //\r | |
1081 | return (VOID *) ((UINTN) (PtrQH->QH.QHVerticalPtr << 4));\r | |
1082 | }\r | |
1083 | \r | |
1084 | VOID\r | |
1085 | SetQHVerticalQHorTDSelect (\r | |
1086 | IN QH_STRUCT *PtrQH,\r | |
1087 | IN BOOLEAN bQH\r | |
1088 | )\r | |
1089 | /*++\r | |
1090 | \r | |
1091 | Routine Description:\r | |
1092 | \r | |
1093 | Set QH Vertical QH or TD\r | |
1094 | \r | |
1095 | Arguments:\r | |
1096 | \r | |
1097 | PtrQH - QH_STRUCT\r | |
1098 | bQH - TRUE is QH FALSE is TD\r | |
1099 | \r | |
1100 | Returns:\r | |
1101 | \r | |
1102 | VOID\r | |
1103 | \r | |
1104 | --*/\r | |
1105 | {\r | |
1106 | //\r | |
1107 | // Set the specified bit if the Vertical Link Pointer pointing to a QH,\r | |
1108 | // Clear the specified bit if the Vertical Link Pointer pointing to a TD.\r | |
1109 | //\r | |
1110 | PtrQH->QH.QHVerticalQSelect = bQH ? 1 : 0;\r | |
1111 | }\r | |
1112 | \r | |
1113 | BOOLEAN\r | |
1114 | IsQHHorizontalQHSelect (\r | |
1115 | IN QH_STRUCT *PtrQH\r | |
1116 | )\r | |
1117 | /*++\r | |
1118 | \r | |
1119 | Routine Description:\r | |
1120 | \r | |
1121 | Is QH Horizontal QH Select\r | |
1122 | \r | |
1123 | Arguments:\r | |
1124 | \r | |
1125 | PtrQH - QH_STRUCT\r | |
1126 | \r | |
1127 | Returns:\r | |
1128 | \r | |
1129 | TRUE - QH\r | |
1130 | FALSE - TD\r | |
1131 | \r | |
1132 | --*/\r | |
1133 | {\r | |
1134 | //\r | |
1135 | // Retrieve the information about whether the Horizontal Link Pointer\r | |
1136 | // pointing to a QH or TD.\r | |
1137 | //\r | |
1138 | return (BOOLEAN) (PtrQH->QH.QHHorizontalQSelect ? TRUE : FALSE);\r | |
1139 | }\r | |
1140 | \r | |
1141 | VOID\r | |
1142 | SetQHVerticalValidorInvalid (\r | |
1143 | IN QH_STRUCT *PtrQH,\r | |
1144 | IN BOOLEAN IsValid\r | |
1145 | )\r | |
1146 | /*++\r | |
1147 | \r | |
1148 | Routine Description:\r | |
1149 | \r | |
1150 | Set QH Vertical Valid or Invalid\r | |
1151 | \r | |
1152 | Arguments:\r | |
1153 | \r | |
1154 | PtrQH - QH_STRUCT\r | |
1155 | IsValid - TRUE is valid FALSE is invalid\r | |
1156 | \r | |
1157 | Returns:\r | |
1158 | \r | |
1159 | VOID\r | |
1160 | \r | |
1161 | --*/\r | |
1162 | {\r | |
1163 | //\r | |
1164 | // If TRUE, indicates the Vertical Link Pointer field is valid,\r | |
1165 | // else, the field is invalid.\r | |
1166 | //\r | |
1167 | PtrQH->QH.QHVerticalTerminate = IsValid ? 0 : 1;\r | |
1168 | }\r | |
1169 | \r | |
1170 | \r | |
1171 | BOOLEAN\r | |
1172 | GetQHVerticalValidorInvalid (\r | |
1173 | IN QH_STRUCT *PtrQH\r | |
1174 | )\r | |
1175 | /*++\r | |
1176 | \r | |
1177 | Routine Description:\r | |
1178 | \r | |
1179 | Get QH Vertical Valid or Invalid\r | |
1180 | \r | |
1181 | Arguments:\r | |
1182 | \r | |
1183 | PtrQH - QH_STRUCT\r | |
1184 | \r | |
1185 | Returns:\r | |
1186 | \r | |
1187 | TRUE - Valid\r | |
1188 | FALSE - Invalid\r | |
1189 | \r | |
1190 | --*/\r | |
1191 | {\r | |
1192 | //\r | |
1193 | // If TRUE, indicates the Vertical Link Pointer field is valid,\r | |
1194 | // else, the field is invalid.\r | |
1195 | //\r | |
1196 | return (BOOLEAN) (!(PtrQH->QH.QHVerticalTerminate));\r | |
1197 | }\r | |
1198 | \r | |
1199 | BOOLEAN\r | |
1200 | GetQHHorizontalValidorInvalid (\r | |
1201 | IN QH_STRUCT *PtrQH\r | |
1202 | )\r | |
1203 | /*++\r | |
1204 | \r | |
1205 | Routine Description:\r | |
1206 | \r | |
1207 | Get QH Horizontal Valid or Invalid\r | |
1208 | \r | |
1209 | Arguments:\r | |
1210 | \r | |
1211 | PtrQH - QH_STRUCT\r | |
1212 | \r | |
1213 | Returns:\r | |
1214 | \r | |
1215 | TRUE - Valid\r | |
1216 | FALSE - Invalid\r | |
1217 | \r | |
1218 | --*/\r | |
1219 | {\r | |
1220 | //\r | |
1221 | // If TRUE, meaning the Horizontal Link Pointer field is valid,\r | |
1222 | // else, the field is invalid.\r | |
1223 | //\r | |
1224 | return (BOOLEAN) (!(PtrQH->QH.QHHorizontalTerminate));\r | |
1225 | }\r | |
1226 | //\r | |
1227 | // functions for TD\r | |
1228 | //\r | |
1229 | EFI_STATUS\r | |
1230 | AllocateTDStruct (\r | |
1231 | IN USB_HC_DEV *HcDev,\r | |
1232 | OUT TD_STRUCT **ppTDStruct\r | |
1233 | )\r | |
1234 | /*++\r | |
1235 | \r | |
1236 | Routine Description:\r | |
1237 | \r | |
1238 | Allocate TD Struct\r | |
1239 | \r | |
1240 | Arguments:\r | |
1241 | \r | |
1242 | HcDev - USB_HC_DEV\r | |
1243 | ppTDStruct - place to store TD_STRUCT pointer\r | |
1244 | Returns:\r | |
1245 | \r | |
1246 | EFI_SUCCESS\r | |
1247 | \r | |
1248 | --*/\r | |
1249 | {\r | |
1250 | *ppTDStruct = NULL;\r | |
1251 | \r | |
1252 | //\r | |
1253 | // TD must align on 16 bytes alignment,\r | |
1254 | // since the memory allocated by UhciAllocatePool ()\r | |
1255 | // is aligned on 32 bytes, it is no need to adjust\r | |
1256 | // the allocated memory returned.\r | |
1257 | //\r | |
1258 | return UhciAllocatePool (\r | |
1259 | HcDev,\r | |
1260 | (UINT8 **) ppTDStruct,\r | |
1261 | sizeof (TD_STRUCT)\r | |
1262 | );\r | |
1263 | }\r | |
1264 | \r | |
1265 | EFI_STATUS\r | |
1266 | CreateTD (\r | |
1267 | IN USB_HC_DEV *HcDev,\r | |
1268 | OUT TD_STRUCT **pptrTD\r | |
1269 | )\r | |
1270 | /*++\r | |
1271 | \r | |
1272 | Routine Description:\r | |
1273 | \r | |
1274 | Create TD\r | |
1275 | \r | |
1276 | Arguments:\r | |
1277 | \r | |
1278 | HcDev - USB_HC_DEV\r | |
1279 | pptrTD - TD_STRUCT pointer to store\r | |
1280 | \r | |
1281 | Returns:\r | |
1282 | \r | |
1283 | EFI_OUT_OF_RESOURCES - Can't allocate resources\r | |
1284 | EFI_SUCCESS - Success\r | |
1285 | \r | |
1286 | --*/\r | |
1287 | {\r | |
1288 | EFI_STATUS Status;\r | |
1289 | //\r | |
1290 | // create memory for TD_STRUCT, and align the memory.\r | |
1291 | //\r | |
1292 | Status = AllocateTDStruct (HcDev, pptrTD);\r | |
1293 | if (EFI_ERROR (Status)) {\r | |
1294 | return EFI_OUT_OF_RESOURCES;\r | |
1295 | }\r | |
1296 | \r | |
1297 | //\r | |
1298 | // Make TD ready.\r | |
1299 | //\r | |
1300 | SetTDLinkPtrValidorInvalid (*pptrTD, FALSE);\r | |
1301 | \r | |
1302 | \r | |
1303 | return EFI_SUCCESS;\r | |
1304 | }\r | |
1305 | \r | |
1306 | EFI_STATUS\r | |
1307 | GenSetupStageTD (\r | |
1308 | IN USB_HC_DEV *HcDev,\r | |
1309 | IN UINT8 DevAddr,\r | |
1310 | IN UINT8 Endpoint,\r | |
1311 | IN BOOLEAN bSlow,\r | |
1312 | IN UINT8 *pDevReq,\r | |
1313 | IN UINT8 RequestLen,\r | |
1314 | OUT TD_STRUCT **ppTD\r | |
1315 | )\r | |
1316 | /*++\r | |
1317 | \r | |
1318 | Routine Description:\r | |
1319 | \r | |
1320 | Generate Setup Stage TD\r | |
1321 | \r | |
1322 | Arguments:\r | |
1323 | \r | |
1324 | HcDev - USB_HC_DEV\r | |
1325 | DevAddr - Device address\r | |
1326 | Endpoint - Endpoint number \r | |
1327 | bSlow - Full speed or low speed\r | |
1328 | pDevReq - Device request\r | |
1329 | RequestLen - Request length\r | |
1330 | ppTD - TD_STRUCT to return\r | |
1331 | Returns:\r | |
1332 | \r | |
1333 | EFI_OUT_OF_RESOURCES - Can't allocate memory\r | |
1334 | EFI_SUCCESS - Success\r | |
1335 | \r | |
1336 | --*/\r | |
1337 | {\r | |
1338 | EFI_STATUS Status;\r | |
1339 | TD_STRUCT *pTDStruct;\r | |
1340 | \r | |
1341 | Status = CreateTD (HcDev, &pTDStruct);\r | |
1342 | if (EFI_ERROR (Status)) {\r | |
1343 | return EFI_OUT_OF_RESOURCES;\r | |
1344 | }\r | |
1345 | \r | |
1346 | SetTDLinkPtr (pTDStruct, NULL);\r | |
1347 | \r | |
1348 | //\r | |
1349 | // Depth first fashion\r | |
1350 | //\r | |
1351 | SetTDLinkPtrDepthorBreadth (pTDStruct, TRUE);\r | |
1352 | \r | |
1353 | //\r | |
1354 | // initialize as the last TD in the QH context,\r | |
1355 | // this field will be updated in the TD linkage process.\r | |
1356 | //\r | |
1357 | SetTDLinkPtrValidorInvalid (pTDStruct, FALSE);\r | |
1358 | \r | |
1359 | //\r | |
1360 | // Disable Short Packet Detection by default\r | |
1361 | //\r | |
1362 | EnableorDisableTDShortPacket (pTDStruct, FALSE);\r | |
1363 | \r | |
1364 | //\r | |
1365 | // Max error counter is 3, retry 3 times when error encountered.\r | |
1366 | //\r | |
1367 | SetTDControlErrorCounter (pTDStruct, 3);\r | |
1368 | \r | |
1369 | //\r | |
1370 | // set device speed attribute\r | |
1371 | // (TRUE - Slow Device; FALSE - Full Speed Device)\r | |
1372 | //\r | |
1373 | SetTDLoworFullSpeedDevice (pTDStruct, bSlow);\r | |
1374 | \r | |
1375 | //\r | |
1376 | // Non isochronous transfer TD\r | |
1377 | //\r | |
1378 | SetTDControlIsochronousorNot (pTDStruct, FALSE);\r | |
1379 | \r | |
1380 | //\r | |
1381 | // Interrupt On Complete bit be set to zero,\r | |
1382 | // Disable IOC interrupt.\r | |
1383 | //\r | |
1384 | SetorClearTDControlIOC (pTDStruct, FALSE);\r | |
1385 | \r | |
1386 | //\r | |
1387 | // Set TD Active bit\r | |
1388 | //\r | |
1389 | SetTDStatusActiveorInactive (pTDStruct, TRUE);\r | |
1390 | \r | |
1391 | SetTDTokenMaxLength (pTDStruct, RequestLen);\r | |
1392 | \r | |
1393 | SetTDTokenDataToggle0 (pTDStruct);\r | |
1394 | \r | |
1395 | SetTDTokenEndPoint (pTDStruct, Endpoint);\r | |
1396 | \r | |
1397 | SetTDTokenDeviceAddress (pTDStruct, DevAddr);\r | |
1398 | \r | |
1399 | SetTDTokenPacketID (pTDStruct, SETUP_PACKET_ID);\r | |
1400 | \r | |
1401 | pTDStruct->pTDBuffer = (UINT8 *) pDevReq;\r | |
1402 | pTDStruct->TDBufferLength = RequestLen;\r | |
1403 | SetTDDataBuffer (pTDStruct);\r | |
1404 | \r | |
1405 | *ppTD = pTDStruct;\r | |
1406 | \r | |
1407 | return EFI_SUCCESS;\r | |
1408 | }\r | |
1409 | \r | |
1410 | EFI_STATUS\r | |
1411 | GenDataTD (\r | |
1412 | IN USB_HC_DEV *HcDev,\r | |
1413 | IN UINT8 DevAddr,\r | |
1414 | IN UINT8 Endpoint,\r | |
1415 | IN UINT8 *pData,\r | |
1416 | IN UINT8 Len,\r | |
1417 | IN UINT8 PktID,\r | |
1418 | IN UINT8 Toggle,\r | |
1419 | IN BOOLEAN bSlow,\r | |
1420 | OUT TD_STRUCT **ppTD\r | |
1421 | )\r | |
1422 | /*++\r | |
1423 | \r | |
1424 | Routine Description:\r | |
1425 | \r | |
1426 | Generate Data Stage TD\r | |
1427 | \r | |
1428 | Arguments:\r | |
1429 | \r | |
1430 | HcDev - USB_HC_DEV\r | |
1431 | DevAddr - Device address\r | |
1432 | Endpoint - Endpoint number \r | |
1433 | pData - Data buffer \r | |
1434 | Len - Data length\r | |
1435 | PktID - Packet ID\r | |
1436 | Toggle - Data toggle value\r | |
1437 | bSlow - Full speed or low speed\r | |
1438 | ppTD - TD_STRUCT to return\r | |
1439 | Returns:\r | |
1440 | \r | |
1441 | EFI_OUT_OF_RESOURCES - Can't allocate memory\r | |
1442 | EFI_SUCCESS - Success\r | |
1443 | \r | |
1444 | --*/\r | |
1445 | {\r | |
1446 | TD_STRUCT *pTDStruct;\r | |
1447 | EFI_STATUS Status;\r | |
1448 | \r | |
1449 | Status = CreateTD (HcDev, &pTDStruct);\r | |
1450 | if (EFI_ERROR (Status)) {\r | |
1451 | return EFI_OUT_OF_RESOURCES;\r | |
1452 | }\r | |
1453 | \r | |
1454 | SetTDLinkPtr (pTDStruct, NULL);\r | |
1455 | \r | |
1456 | //\r | |
1457 | // Depth first fashion\r | |
1458 | //\r | |
1459 | SetTDLinkPtrDepthorBreadth (pTDStruct, TRUE);\r | |
1460 | \r | |
1461 | //\r | |
1462 | // Link pointer pointing to TD struct\r | |
1463 | //\r | |
1464 | SetTDLinkPtrQHorTDSelect (pTDStruct, FALSE);\r | |
1465 | \r | |
1466 | //\r | |
1467 | // initialize as the last TD in the QH context,\r | |
1468 | // this field will be updated in the TD linkage process.\r | |
1469 | //\r | |
1470 | SetTDLinkPtrValidorInvalid (pTDStruct, FALSE);\r | |
1471 | \r | |
1472 | //\r | |
1473 | // Disable short packet detect\r | |
1474 | //\r | |
1475 | EnableorDisableTDShortPacket (pTDStruct, FALSE);\r | |
1476 | //\r | |
1477 | // Max error counter is 3\r | |
1478 | //\r | |
1479 | SetTDControlErrorCounter (pTDStruct, 3);\r | |
1480 | \r | |
1481 | //\r | |
1482 | // set device speed attribute\r | |
1483 | // (TRUE - Slow Device; FALSE - Full Speed Device)\r | |
1484 | //\r | |
1485 | SetTDLoworFullSpeedDevice (pTDStruct, bSlow);\r | |
1486 | \r | |
1487 | //\r | |
1488 | // Non isochronous transfer TD\r | |
1489 | //\r | |
1490 | SetTDControlIsochronousorNot (pTDStruct, FALSE);\r | |
1491 | \r | |
1492 | //\r | |
1493 | // Disable Interrupt On Complete\r | |
1494 | // Disable IOC interrupt.\r | |
1495 | //\r | |
1496 | SetorClearTDControlIOC (pTDStruct, FALSE);\r | |
1497 | \r | |
1498 | //\r | |
1499 | // Set Active bit\r | |
1500 | //\r | |
1501 | SetTDStatusActiveorInactive (pTDStruct, TRUE);\r | |
1502 | \r | |
1503 | SetTDTokenMaxLength (pTDStruct, Len);\r | |
1504 | \r | |
1505 | if (Toggle) {\r | |
1506 | SetTDTokenDataToggle1 (pTDStruct);\r | |
1507 | } else {\r | |
1508 | SetTDTokenDataToggle0 (pTDStruct);\r | |
1509 | }\r | |
1510 | \r | |
1511 | SetTDTokenEndPoint (pTDStruct, Endpoint);\r | |
1512 | \r | |
1513 | SetTDTokenDeviceAddress (pTDStruct, DevAddr);\r | |
1514 | \r | |
1515 | SetTDTokenPacketID (pTDStruct, PktID);\r | |
1516 | \r | |
1517 | pTDStruct->pTDBuffer = (UINT8 *) pData;\r | |
1518 | pTDStruct->TDBufferLength = Len;\r | |
1519 | SetTDDataBuffer (pTDStruct);\r | |
1520 | *ppTD = pTDStruct;\r | |
1521 | \r | |
1522 | return EFI_SUCCESS;\r | |
1523 | }\r | |
1524 | \r | |
1525 | \r | |
1526 | EFI_STATUS\r | |
1527 | CreateStatusTD (\r | |
1528 | IN USB_HC_DEV *HcDev,\r | |
1529 | IN UINT8 DevAddr,\r | |
1530 | IN UINT8 Endpoint,\r | |
1531 | IN UINT8 PktID,\r | |
1532 | IN BOOLEAN bSlow,\r | |
1533 | OUT TD_STRUCT **ppTD\r | |
1534 | )\r | |
1535 | /*++\r | |
1536 | \r | |
1537 | Routine Description:\r | |
1538 | \r | |
1539 | Generate Status Stage TD\r | |
1540 | \r | |
1541 | Arguments:\r | |
1542 | \r | |
1543 | HcDev - USB_HC_DEV\r | |
1544 | DevAddr - Device address\r | |
1545 | Endpoint - Endpoint number \r | |
1546 | PktID - Packet ID\r | |
1547 | bSlow - Full speed or low speed\r | |
1548 | ppTD - TD_STRUCT to return\r | |
1549 | Returns:\r | |
1550 | \r | |
1551 | EFI_OUT_OF_RESOURCES - Can't allocate memory\r | |
1552 | EFI_SUCCESS - Success\r | |
1553 | \r | |
1554 | --*/\r | |
1555 | {\r | |
1556 | TD_STRUCT *ptrTDStruct;\r | |
1557 | EFI_STATUS Status;\r | |
1558 | \r | |
1559 | Status = CreateTD (HcDev, &ptrTDStruct);\r | |
1560 | if (EFI_ERROR (Status)) {\r | |
1561 | return EFI_OUT_OF_RESOURCES;\r | |
1562 | }\r | |
1563 | \r | |
1564 | SetTDLinkPtr (ptrTDStruct, NULL);\r | |
1565 | \r | |
1566 | //\r | |
1567 | // Depth first fashion\r | |
1568 | //\r | |
1569 | SetTDLinkPtrDepthorBreadth (ptrTDStruct, TRUE);\r | |
1570 | \r | |
1571 | //\r | |
1572 | // initialize as the last TD in the QH context,\r | |
1573 | // this field will be updated in the TD linkage process.\r | |
1574 | //\r | |
1575 | SetTDLinkPtrValidorInvalid (ptrTDStruct, FALSE);\r | |
1576 | \r | |
1577 | //\r | |
1578 | // Disable short packet detect\r | |
1579 | //\r | |
1580 | EnableorDisableTDShortPacket (ptrTDStruct, FALSE);\r | |
1581 | \r | |
1582 | //\r | |
1583 | // Max error counter is 3\r | |
1584 | //\r | |
1585 | SetTDControlErrorCounter (ptrTDStruct, 3);\r | |
1586 | \r | |
1587 | //\r | |
1588 | // set device speed attribute\r | |
1589 | // (TRUE - Slow Device; FALSE - Full Speed Device)\r | |
1590 | //\r | |
1591 | SetTDLoworFullSpeedDevice (ptrTDStruct, bSlow);\r | |
1592 | \r | |
1593 | //\r | |
1594 | // Non isochronous transfer TD\r | |
1595 | //\r | |
1596 | SetTDControlIsochronousorNot (ptrTDStruct, FALSE);\r | |
1597 | \r | |
1598 | //\r | |
1599 | // Disable Interrupt On Complete\r | |
1600 | // Disable IOC interrupt.\r | |
1601 | //\r | |
1602 | SetorClearTDControlIOC (ptrTDStruct, FALSE);\r | |
1603 | \r | |
1604 | //\r | |
1605 | // Set TD Active bit\r | |
1606 | //\r | |
1607 | SetTDStatusActiveorInactive (ptrTDStruct, TRUE);\r | |
1608 | \r | |
1609 | SetTDTokenMaxLength (ptrTDStruct, 0);\r | |
1610 | \r | |
1611 | SetTDTokenDataToggle1 (ptrTDStruct);\r | |
1612 | \r | |
1613 | SetTDTokenEndPoint (ptrTDStruct, Endpoint);\r | |
1614 | \r | |
1615 | SetTDTokenDeviceAddress (ptrTDStruct, DevAddr);\r | |
1616 | \r | |
1617 | SetTDTokenPacketID (ptrTDStruct, PktID);\r | |
1618 | \r | |
1619 | ptrTDStruct->pTDBuffer = NULL;\r | |
1620 | ptrTDStruct->TDBufferLength = 0;\r | |
1621 | SetTDDataBuffer (ptrTDStruct);\r | |
1622 | \r | |
1623 | *ppTD = ptrTDStruct;\r | |
1624 | \r | |
1625 | return EFI_SUCCESS;\r | |
1626 | }\r | |
1627 | \r | |
1628 | \r | |
1629 | VOID\r | |
1630 | SetTDLinkPtrValidorInvalid (\r | |
1631 | IN TD_STRUCT *ptrTDStruct,\r | |
1632 | IN BOOLEAN bValid\r | |
1633 | )\r | |
1634 | /*++\r | |
1635 | \r | |
1636 | Routine Description:\r | |
1637 | \r | |
1638 | Set TD Link Pointer Valid or Invalid\r | |
1639 | \r | |
1640 | Arguments:\r | |
1641 | \r | |
1642 | ptrTDStruct - TD_STRUCT\r | |
1643 | bValid - TRUE is valid FALSE is invalid\r | |
1644 | \r | |
1645 | Returns:\r | |
1646 | \r | |
1647 | VOID\r | |
1648 | \r | |
1649 | --*/\r | |
1650 | {\r | |
1651 | //\r | |
1652 | // Valid means the link pointer is valid,\r | |
1653 | // else, it's invalid.\r | |
1654 | //\r | |
1655 | ptrTDStruct->TDData.TDLinkPtrTerminate = (bValid ? 0 : 1);\r | |
1656 | }\r | |
1657 | \r | |
1658 | VOID\r | |
1659 | SetTDLinkPtrQHorTDSelect (\r | |
1660 | IN TD_STRUCT *ptrTDStruct,\r | |
1661 | IN BOOLEAN bQH\r | |
1662 | )\r | |
1663 | /*++\r | |
1664 | \r | |
1665 | Routine Description:\r | |
1666 | \r | |
1667 | Set TD Link Pointer QH or TD Select\r | |
1668 | \r | |
1669 | Arguments:\r | |
1670 | \r | |
1671 | ptrTDStruct - TD_STRUCT\r | |
1672 | bQH - TRUE is QH FALSE is TD\r | |
1673 | \r | |
1674 | Returns:\r | |
1675 | \r | |
1676 | VOID\r | |
1677 | \r | |
1678 | --*/\r | |
1679 | {\r | |
1680 | //\r | |
1681 | // Indicate whether the Link Pointer pointing to a QH or TD\r | |
1682 | //\r | |
1683 | ptrTDStruct->TDData.TDLinkPtrQSelect = (bQH ? 1 : 0);\r | |
1684 | }\r | |
1685 | \r | |
1686 | VOID\r | |
1687 | SetTDLinkPtrDepthorBreadth (\r | |
1688 | IN TD_STRUCT *ptrTDStruct,\r | |
1689 | IN BOOLEAN bDepth\r | |
1690 | )\r | |
1691 | /*++\r | |
1692 | \r | |
1693 | Routine Description:\r | |
1694 | \r | |
1695 | Set TD Link Pointer depth or bread priority\r | |
1696 | \r | |
1697 | Arguments:\r | |
1698 | \r | |
1699 | ptrTDStruct - TD_STRUCT\r | |
1700 | bDepth - TRUE is Depth FALSE is Breadth\r | |
1701 | \r | |
1702 | Returns:\r | |
1703 | \r | |
1704 | VOID\r | |
1705 | \r | |
1706 | --*/\r | |
1707 | {\r | |
1708 | //\r | |
1709 | // If TRUE, indicating the host controller should process in depth first\r | |
1710 | // fashion,\r | |
1711 | // else, the host controller should process in breadth first fashion\r | |
1712 | //\r | |
1713 | ptrTDStruct->TDData.TDLinkPtrDepthSelect = (bDepth ? 1 : 0);\r | |
1714 | }\r | |
1715 | \r | |
1716 | VOID\r | |
1717 | SetTDLinkPtr (\r | |
1718 | IN TD_STRUCT *ptrTDStruct,\r | |
1719 | IN VOID *ptrNext\r | |
1720 | )\r | |
1721 | /*++\r | |
1722 | \r | |
1723 | Routine Description:\r | |
1724 | \r | |
1725 | Set TD Link Pointer\r | |
1726 | \r | |
1727 | Arguments:\r | |
1728 | \r | |
1729 | ptrTDStruct - TD_STRUCT\r | |
1730 | ptrNext - Pointer to set\r | |
1731 | \r | |
1732 | Returns:\r | |
1733 | \r | |
1734 | VOID\r | |
1735 | \r | |
1736 | --*/\r | |
1737 | {\r | |
1738 | //\r | |
1739 | // Set TD Link Pointer. Since QH,TD align on 16-byte boundaries,\r | |
1740 | // only the highest 28 bits are valid. (if take 32bit address as an example)\r | |
1741 | //\r | |
1742 | ptrTDStruct->TDData.TDLinkPtr = (UINT32) ((UINTN) ptrNext >> 4);\r | |
1743 | }\r | |
1744 | \r | |
1745 | VOID *\r | |
1746 | GetTDLinkPtr (\r | |
1747 | IN TD_STRUCT *ptrTDStruct\r | |
1748 | )\r | |
1749 | /*++\r | |
1750 | \r | |
1751 | Routine Description:\r | |
1752 | \r | |
1753 | Get TD Link Pointer\r | |
1754 | \r | |
1755 | Arguments:\r | |
1756 | \r | |
1757 | ptrTDStruct - TD_STRUCT\r | |
1758 | \r | |
1759 | Returns:\r | |
1760 | \r | |
1761 | Pointer to get\r | |
1762 | \r | |
1763 | --*/\r | |
1764 | {\r | |
1765 | //\r | |
1766 | // Get TD Link Pointer. Restore it back to 32bit\r | |
1767 | // (if take 32bit address as an example)\r | |
1768 | //\r | |
1769 | return (VOID *) ((UINTN) (ptrTDStruct->TDData.TDLinkPtr << 4));\r | |
1770 | }\r | |
1771 | \r | |
1772 | BOOLEAN\r | |
1773 | IsTDLinkPtrQHOrTD (\r | |
1774 | IN TD_STRUCT *ptrTDStruct\r | |
1775 | )\r | |
1776 | /*++\r | |
1777 | \r | |
1778 | Routine Description:\r | |
1779 | \r | |
1780 | Is TD Link Pointer is QH Or TD\r | |
1781 | \r | |
1782 | Arguments:\r | |
1783 | \r | |
1784 | ptrTDStruct - TODO: add argument description\r | |
1785 | \r | |
1786 | Returns:\r | |
1787 | \r | |
1788 | TRUE - QH\r | |
1789 | FALSE - TD \r | |
1790 | \r | |
1791 | --*/\r | |
1792 | {\r | |
1793 | //\r | |
1794 | // Get the information about whether the Link Pointer field pointing to\r | |
1795 | // a QH or a TD.\r | |
1796 | //\r | |
1797 | return (BOOLEAN) (ptrTDStruct->TDData.TDLinkPtrQSelect);\r | |
1798 | }\r | |
1799 | \r | |
1800 | VOID\r | |
1801 | EnableorDisableTDShortPacket (\r | |
1802 | IN TD_STRUCT *ptrTDStruct,\r | |
1803 | IN BOOLEAN bEnable\r | |
1804 | )\r | |
1805 | /*++\r | |
1806 | \r | |
1807 | Routine Description:\r | |
1808 | \r | |
1809 | Enable or Disable TD ShortPacket\r | |
1810 | \r | |
1811 | Arguments:\r | |
1812 | \r | |
1813 | ptrTDStruct - TD_STRUCT\r | |
1814 | bEnable - TRUE is Enanble FALSE is Disable\r | |
1815 | \r | |
1816 | Returns:\r | |
1817 | \r | |
1818 | VOID\r | |
1819 | \r | |
1820 | --*/\r | |
1821 | {\r | |
1822 | //\r | |
1823 | // TRUE means enable short packet detection mechanism.\r | |
1824 | //\r | |
1825 | ptrTDStruct->TDData.TDStatusSPD = (bEnable ? 1 : 0);\r | |
1826 | }\r | |
1827 | \r | |
1828 | VOID\r | |
1829 | SetTDControlErrorCounter (\r | |
1830 | IN TD_STRUCT *ptrTDStruct,\r | |
1831 | IN UINT8 nMaxErrors\r | |
1832 | )\r | |
1833 | /*++\r | |
1834 | \r | |
1835 | Routine Description:\r | |
1836 | \r | |
1837 | Set TD Control ErrorCounter\r | |
1838 | \r | |
1839 | Arguments:\r | |
1840 | \r | |
1841 | ptrTDStruct - TD_STRUCT\r | |
1842 | nMaxErrors - Error counter number\r | |
1843 | \r | |
1844 | Returns:\r | |
1845 | \r | |
1846 | VOID\r | |
1847 | \r | |
1848 | --*/\r | |
1849 | {\r | |
1850 | //\r | |
1851 | // valid value of nMaxErrors is 0,1,2,3\r | |
1852 | //\r | |
1853 | if (nMaxErrors > 3) {\r | |
1854 | nMaxErrors = 3;\r | |
1855 | }\r | |
1856 | \r | |
1857 | ptrTDStruct->TDData.TDStatusErr = nMaxErrors;\r | |
1858 | }\r | |
1859 | \r | |
1860 | \r | |
1861 | VOID\r | |
1862 | SetTDLoworFullSpeedDevice (\r | |
1863 | IN TD_STRUCT *ptrTDStruct,\r | |
1864 | IN BOOLEAN bLowSpeedDevice\r | |
1865 | )\r | |
1866 | {\r | |
1867 | //\r | |
1868 | // TRUE means the TD is targeting at a Low-speed device\r | |
1869 | //\r | |
1870 | ptrTDStruct->TDData.TDStatusLS = (bLowSpeedDevice ? 1 : 0);\r | |
1871 | }\r | |
1872 | \r | |
1873 | VOID\r | |
1874 | SetTDControlIsochronousorNot (\r | |
1875 | IN TD_STRUCT *ptrTDStruct,\r | |
1876 | IN BOOLEAN IsIsochronous\r | |
1877 | )\r | |
1878 | {\r | |
1879 | //\r | |
1880 | // TRUE means the TD belongs to Isochronous transfer type.\r | |
1881 | //\r | |
1882 | ptrTDStruct->TDData.TDStatusIOS = (IsIsochronous ? 1 : 0);\r | |
1883 | }\r | |
1884 | \r | |
1885 | VOID\r | |
1886 | SetorClearTDControlIOC (\r | |
1887 | IN TD_STRUCT *ptrTDStruct,\r | |
1888 | IN BOOLEAN IsSet\r | |
1889 | )\r | |
1890 | {\r | |
1891 | //\r | |
1892 | // If this bit is set, it indicates that the host controller should issue\r | |
1893 | // an interrupt on completion of the frame in which this TD is executed.\r | |
1894 | //\r | |
1895 | ptrTDStruct->TDData.TDStatusIOC = IsSet ? 1 : 0;\r | |
1896 | }\r | |
1897 | \r | |
1898 | VOID\r | |
1899 | SetTDStatusActiveorInactive (\r | |
1900 | IN TD_STRUCT *ptrTDStruct,\r | |
1901 | IN BOOLEAN IsActive\r | |
1902 | )\r | |
1903 | {\r | |
1904 | //\r | |
1905 | // If this bit is set, it indicates that the TD is active and can be\r | |
1906 | // executed.\r | |
1907 | //\r | |
1908 | if (IsActive) {\r | |
1909 | ptrTDStruct->TDData.TDStatus |= 0x80;\r | |
1910 | } else {\r | |
1911 | ptrTDStruct->TDData.TDStatus &= 0x7F;\r | |
1912 | }\r | |
1913 | }\r | |
1914 | \r | |
1915 | UINT16\r | |
1916 | SetTDTokenMaxLength (\r | |
1917 | IN TD_STRUCT *ptrTDStruct,\r | |
1918 | IN UINT16 MaximumLength\r | |
1919 | )\r | |
1920 | {\r | |
1921 | //\r | |
1922 | // Specifies the maximum number of data bytes allowed for the transfer.\r | |
1923 | // the legal value extent is 0 ~ 0x500.\r | |
1924 | //\r | |
1925 | if (MaximumLength > 0x500) {\r | |
1926 | MaximumLength = 0x500;\r | |
1927 | }\r | |
1928 | ptrTDStruct->TDData.TDTokenMaxLen = MaximumLength - 1;\r | |
1929 | \r | |
1930 | return MaximumLength;\r | |
1931 | }\r | |
1932 | \r | |
1933 | VOID\r | |
1934 | SetTDTokenDataToggle1 (\r | |
1935 | IN TD_STRUCT *ptrTDStruct\r | |
1936 | )\r | |
1937 | {\r | |
1938 | //\r | |
1939 | // Set the data toggle bit to DATA1\r | |
1940 | //\r | |
1941 | ptrTDStruct->TDData.TDTokenDataToggle = 1;\r | |
1942 | }\r | |
1943 | \r | |
1944 | VOID\r | |
1945 | SetTDTokenDataToggle0 (\r | |
1946 | IN TD_STRUCT *ptrTDStruct\r | |
1947 | )\r | |
1948 | {\r | |
1949 | //\r | |
1950 | // Set the data toggle bit to DATA0\r | |
1951 | //\r | |
1952 | ptrTDStruct->TDData.TDTokenDataToggle = 0;\r | |
1953 | }\r | |
1954 | \r | |
1955 | UINT8\r | |
1956 | GetTDTokenDataToggle (\r | |
1957 | IN TD_STRUCT *ptrTDStruct\r | |
1958 | )\r | |
1959 | {\r | |
1960 | //\r | |
1961 | // Get the data toggle value.\r | |
1962 | //\r | |
1963 | return (UINT8) (ptrTDStruct->TDData.TDTokenDataToggle);\r | |
1964 | }\r | |
1965 | \r | |
1966 | VOID\r | |
1967 | SetTDTokenEndPoint (\r | |
1968 | IN TD_STRUCT *ptrTDStruct,\r | |
1969 | IN UINTN EndPoint\r | |
1970 | )\r | |
1971 | {\r | |
1972 | //\r | |
1973 | // Set EndPoint Number the TD is targeting at.\r | |
1974 | //\r | |
1975 | ptrTDStruct->TDData.TDTokenEndPt = (UINT8) EndPoint;\r | |
1976 | }\r | |
1977 | \r | |
1978 | VOID\r | |
1979 | SetTDTokenDeviceAddress (\r | |
1980 | IN TD_STRUCT *ptrTDStruct,\r | |
1981 | IN UINTN DeviceAddress\r | |
1982 | )\r | |
1983 | {\r | |
1984 | //\r | |
1985 | // Set Device Address the TD is targeting at.\r | |
1986 | //\r | |
1987 | ptrTDStruct->TDData.TDTokenDevAddr = (UINT8) DeviceAddress;\r | |
1988 | }\r | |
1989 | \r | |
1990 | VOID\r | |
1991 | SetTDTokenPacketID (\r | |
1992 | IN TD_STRUCT *ptrTDStruct,\r | |
1993 | IN UINT8 PID\r | |
1994 | )\r | |
1995 | {\r | |
1996 | //\r | |
1997 | // Set the Packet Identification to be used for this transaction.\r | |
1998 | //\r | |
1999 | ptrTDStruct->TDData.TDTokenPID = PID;\r | |
2000 | }\r | |
2001 | \r | |
2002 | VOID\r | |
2003 | SetTDDataBuffer (\r | |
2004 | IN TD_STRUCT *ptrTDStruct\r | |
2005 | )\r | |
2006 | {\r | |
2007 | //\r | |
2008 | // Set the beginning address of the data buffer that will be used\r | |
2009 | // during the transaction.\r | |
2010 | //\r | |
2011 | ptrTDStruct->TDData.TDBufferPtr = (UINT32) ((UINTN) (ptrTDStruct->pTDBuffer));\r | |
2012 | }\r | |
2013 | \r | |
2014 | BOOLEAN\r | |
2015 | IsTDStatusActive (\r | |
2016 | IN TD_STRUCT *ptrTDStruct\r | |
2017 | )\r | |
2018 | {\r | |
2019 | UINT8 TDStatus;\r | |
2020 | \r | |
2021 | //\r | |
2022 | // Detect whether the TD is active.\r | |
2023 | //\r | |
2024 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2025 | return (BOOLEAN) (TDStatus & 0x80);\r | |
2026 | }\r | |
2027 | \r | |
2028 | BOOLEAN\r | |
2029 | IsTDStatusStalled (\r | |
2030 | IN TD_STRUCT *ptrTDStruct\r | |
2031 | )\r | |
2032 | {\r | |
2033 | UINT8 TDStatus;\r | |
2034 | \r | |
2035 | //\r | |
2036 | // Detect whether the device/endpoint addressed by this TD is stalled.\r | |
2037 | //\r | |
2038 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2039 | return (BOOLEAN) (TDStatus & 0x40);\r | |
2040 | }\r | |
2041 | \r | |
2042 | BOOLEAN\r | |
2043 | IsTDStatusBufferError (\r | |
2044 | IN TD_STRUCT *ptrTDStruct\r | |
2045 | )\r | |
2046 | {\r | |
2047 | UINT8 TDStatus;\r | |
2048 | //\r | |
2049 | // Detect whether Data Buffer Error is happened.\r | |
2050 | //\r | |
2051 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2052 | return (BOOLEAN) (TDStatus & 0x20);\r | |
2053 | }\r | |
2054 | \r | |
2055 | BOOLEAN\r | |
2056 | IsTDStatusBabbleError (\r | |
2057 | IN TD_STRUCT *ptrTDStruct\r | |
2058 | )\r | |
2059 | {\r | |
2060 | UINT8 TDStatus;\r | |
2061 | \r | |
2062 | //\r | |
2063 | // Detect whether Babble Error is happened.\r | |
2064 | //\r | |
2065 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2066 | return (BOOLEAN) (TDStatus & 0x10);\r | |
2067 | }\r | |
2068 | \r | |
2069 | BOOLEAN\r | |
2070 | IsTDStatusNAKReceived (\r | |
2071 | IN TD_STRUCT *ptrTDStruct\r | |
2072 | )\r | |
2073 | {\r | |
2074 | UINT8 TDStatus;\r | |
2075 | \r | |
2076 | //\r | |
2077 | // Detect whether NAK is received.\r | |
2078 | //\r | |
2079 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2080 | return (BOOLEAN) (TDStatus & 0x08);\r | |
2081 | }\r | |
2082 | \r | |
2083 | BOOLEAN\r | |
2084 | IsTDStatusCRCTimeOutError (\r | |
2085 | IN TD_STRUCT *ptrTDStruct\r | |
2086 | )\r | |
2087 | {\r | |
2088 | UINT8 TDStatus;\r | |
2089 | \r | |
2090 | //\r | |
2091 | // Detect whether CRC/Time Out Error is encountered.\r | |
2092 | //\r | |
2093 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2094 | return (BOOLEAN) (TDStatus & 0x04);\r | |
2095 | }\r | |
2096 | \r | |
2097 | BOOLEAN\r | |
2098 | IsTDStatusBitStuffError (\r | |
2099 | IN TD_STRUCT *ptrTDStruct\r | |
2100 | )\r | |
2101 | {\r | |
2102 | UINT8 TDStatus;\r | |
2103 | \r | |
2104 | //\r | |
2105 | // Detect whether Bitstuff Error is received.\r | |
2106 | //\r | |
2107 | TDStatus = (UINT8) (ptrTDStruct->TDData.TDStatus);\r | |
2108 | return (BOOLEAN) (TDStatus & 0x02);\r | |
2109 | }\r | |
2110 | \r | |
2111 | UINT16\r | |
2112 | GetTDStatusActualLength (\r | |
2113 | IN TD_STRUCT *ptrTDStruct\r | |
2114 | )\r | |
2115 | {\r | |
2116 | //\r | |
2117 | // Retrieve the actual number of bytes that were tansferred.\r | |
2118 | // the value is encoded as n-1. so return the decoded value.\r | |
2119 | //\r | |
2120 | return (UINT16) ((ptrTDStruct->TDData.TDStatusActualLength) + 1);\r | |
2121 | }\r | |
2122 | \r | |
2123 | UINT16\r | |
2124 | GetTDTokenMaxLength (\r | |
2125 | IN TD_STRUCT *ptrTDStruct\r | |
2126 | )\r | |
2127 | {\r | |
2128 | //\r | |
2129 | // Retrieve the maximum number of data bytes allowed for the trnasfer.\r | |
2130 | //\r | |
2131 | return (UINT16) ((ptrTDStruct->TDData.TDTokenMaxLen) + 1);\r | |
2132 | }\r | |
2133 | \r | |
2134 | UINT8\r | |
2135 | GetTDTokenEndPoint (\r | |
2136 | IN TD_STRUCT *ptrTDStruct\r | |
2137 | )\r | |
2138 | {\r | |
2139 | //\r | |
2140 | // Retrieve the endpoint number the transaction is targeting at.\r | |
2141 | //\r | |
2142 | return (UINT8) (ptrTDStruct->TDData.TDTokenEndPt);\r | |
2143 | }\r | |
2144 | \r | |
2145 | UINT8\r | |
2146 | GetTDTokenDeviceAddress (\r | |
2147 | IN TD_STRUCT *ptrTDStruct\r | |
2148 | )\r | |
2149 | {\r | |
2150 | //\r | |
2151 | // Retrieve the device address the transaction is targeting at.\r | |
2152 | //\r | |
2153 | return (UINT8) (ptrTDStruct->TDData.TDTokenDevAddr);\r | |
2154 | }\r | |
2155 | \r | |
2156 | UINT8\r | |
2157 | GetTDTokenPacketID (\r | |
2158 | IN TD_STRUCT *ptrTDStruct\r | |
2159 | )\r | |
2160 | {\r | |
2161 | //\r | |
2162 | // Retrieve the Packet Identification information.\r | |
2163 | //\r | |
2164 | return (UINT8) (ptrTDStruct->TDData.TDTokenPID);\r | |
2165 | }\r | |
2166 | \r | |
2167 | UINT8 *\r | |
2168 | GetTDDataBuffer (\r | |
2169 | IN TD_STRUCT *ptrTDStruct\r | |
2170 | )\r | |
2171 | {\r | |
2172 | //\r | |
2173 | // Retrieve the beginning address of the data buffer\r | |
2174 | // that involved in this transaction.\r | |
2175 | //\r | |
2176 | return ptrTDStruct->pTDBuffer;\r | |
2177 | }\r | |
2178 | \r | |
2179 | BOOLEAN\r | |
2180 | GetTDLinkPtrValidorInvalid (\r | |
2181 | IN TD_STRUCT *ptrTDStruct\r | |
2182 | )\r | |
2183 | {\r | |
2184 | //\r | |
2185 | // Retrieve the information of whether the Link Pointer field\r | |
2186 | // is valid or not.\r | |
2187 | //\r | |
2188 | if (ptrTDStruct->TDData.TDLinkPtrTerminate) {\r | |
2189 | return FALSE;\r | |
2190 | } else {\r | |
2191 | return TRUE;\r | |
2192 | }\r | |
2193 | \r | |
2194 | }\r | |
2195 | \r | |
2196 | UINTN\r | |
2197 | CountTDsNumber (\r | |
2198 | IN TD_STRUCT *PtrFirstTD\r | |
2199 | )\r | |
2200 | {\r | |
2201 | UINTN Number;\r | |
2202 | TD_STRUCT *ptr;\r | |
2203 | //\r | |
2204 | // Count the queued TDs number.\r | |
2205 | //\r | |
2206 | Number = 0;\r | |
2207 | ptr = PtrFirstTD;\r | |
2208 | while (ptr) {\r | |
2209 | ptr = (TD_STRUCT *) ptr->ptrNextTD;\r | |
2210 | Number++;\r | |
2211 | }\r | |
2212 | \r | |
2213 | return Number;\r | |
2214 | }\r | |
2215 | \r | |
2216 | \r | |
2217 | \r | |
2218 | VOID\r | |
2219 | LinkTDToQH (\r | |
2220 | IN QH_STRUCT *PtrQH,\r | |
2221 | IN TD_STRUCT *PtrTD\r | |
2222 | )\r | |
2223 | /*++\r | |
2224 | \r | |
2225 | Routine Description:\r | |
2226 | \r | |
2227 | Link TD To QH\r | |
2228 | \r | |
2229 | Arguments:\r | |
2230 | \r | |
2231 | PtrQH - QH_STRUCT\r | |
2232 | PtrTD - TD_STRUCT\r | |
2233 | Returns:\r | |
2234 | \r | |
2235 | VOID\r | |
2236 | \r | |
2237 | --*/\r | |
2238 | {\r | |
2239 | if (PtrQH == NULL || PtrTD == NULL) {\r | |
2240 | return ;\r | |
2241 | }\r | |
2242 | //\r | |
2243 | // Validate QH Vertical Ptr field\r | |
2244 | //\r | |
2245 | SetQHVerticalValidorInvalid (PtrQH, TRUE);\r | |
2246 | \r | |
2247 | //\r | |
2248 | // Vertical Ptr pointing to TD structure\r | |
2249 | //\r | |
2250 | SetQHVerticalQHorTDSelect (PtrQH, FALSE);\r | |
2251 | \r | |
2252 | SetQHVerticalLinkPtr (PtrQH, (VOID *) PtrTD);\r | |
2253 | \r | |
2254 | PtrQH->ptrDown = (VOID *) PtrTD;\r | |
2255 | }\r | |
2256 | \r | |
2257 | VOID\r | |
2258 | LinkTDToTD (\r | |
2259 | IN TD_STRUCT *ptrPreTD,\r | |
2260 | IN TD_STRUCT *PtrTD\r | |
2261 | )\r | |
2262 | /*++\r | |
2263 | \r | |
2264 | Routine Description:\r | |
2265 | \r | |
2266 | Link TD To TD\r | |
2267 | \r | |
2268 | Arguments:\r | |
2269 | \r | |
2270 | ptrPreTD - Previous TD_STRUCT to be linked\r | |
2271 | PtrTD - TD_STRUCT to link\r | |
2272 | Returns:\r | |
2273 | \r | |
2274 | VOID\r | |
2275 | \r | |
2276 | --*/\r | |
2277 | {\r | |
2278 | if (ptrPreTD == NULL || PtrTD == NULL) {\r | |
2279 | return ;\r | |
2280 | }\r | |
2281 | //\r | |
2282 | // Depth first fashion\r | |
2283 | //\r | |
2284 | SetTDLinkPtrDepthorBreadth (ptrPreTD, TRUE);\r | |
2285 | \r | |
2286 | //\r | |
2287 | // Link pointer pointing to TD struct\r | |
2288 | //\r | |
2289 | SetTDLinkPtrQHorTDSelect (ptrPreTD, FALSE);\r | |
2290 | \r | |
2291 | //\r | |
2292 | // Validate the link pointer valid bit\r | |
2293 | //\r | |
2294 | SetTDLinkPtrValidorInvalid (ptrPreTD, TRUE);\r | |
2295 | \r | |
2296 | SetTDLinkPtr (ptrPreTD, PtrTD);\r | |
2297 | \r | |
2298 | ptrPreTD->ptrNextTD = (VOID *) PtrTD;\r | |
2299 | }\r | |
2300 | //\r | |
2301 | // Transfer Schedule related Helper Functions\r | |
2302 | //\r | |
2303 | VOID\r | |
2304 | SetorClearCurFrameListTerminate (\r | |
2305 | IN FRAMELIST_ENTRY *pCurEntry,\r | |
2306 | IN BOOLEAN IsSet\r | |
2307 | )\r | |
2308 | {\r | |
2309 | //\r | |
2310 | // If TRUE, empty the frame. If FALSE, indicate the Pointer field is valid.\r | |
2311 | //\r | |
2312 | pCurEntry->FrameListPtrTerminate = (IsSet ? 1 : 0);\r | |
2313 | }\r | |
2314 | \r | |
2315 | VOID\r | |
2316 | SetCurFrameListQHorTD (\r | |
2317 | IN FRAMELIST_ENTRY *pCurEntry,\r | |
2318 | IN BOOLEAN IsQH\r | |
2319 | )\r | |
2320 | {\r | |
2321 | //\r | |
2322 | // This bit indicates to the hardware whether the item referenced by the\r | |
2323 | // link pointer is a TD or a QH.\r | |
2324 | //\r | |
2325 | pCurEntry->FrameListPtrQSelect = (IsQH ? 1 : 0);\r | |
2326 | }\r | |
2327 | \r | |
2328 | BOOLEAN\r | |
2329 | IsCurFrameListQHorTD (\r | |
2330 | IN FRAMELIST_ENTRY *pCurEntry\r | |
2331 | )\r | |
2332 | {\r | |
2333 | //\r | |
2334 | // TRUE is QH\r | |
2335 | // FALSE is TD\r | |
2336 | //\r | |
2337 | return (BOOLEAN) (pCurEntry->FrameListPtrQSelect);\r | |
2338 | }\r | |
2339 | \r | |
2340 | BOOLEAN\r | |
2341 | GetCurFrameListTerminate (\r | |
2342 | IN FRAMELIST_ENTRY *pCurEntry\r | |
2343 | )\r | |
2344 | {\r | |
2345 | //\r | |
2346 | // TRUE means the frame is empty,\r | |
2347 | // FALSE means the link pointer field is valid.\r | |
2348 | //\r | |
2349 | return (BOOLEAN) (pCurEntry->FrameListPtrTerminate);\r | |
2350 | }\r | |
2351 | \r | |
2352 | VOID\r | |
2353 | SetCurFrameListPointer (\r | |
2354 | IN FRAMELIST_ENTRY *pCurEntry,\r | |
2355 | IN UINT8 *ptr\r | |
2356 | )\r | |
2357 | {\r | |
2358 | //\r | |
2359 | // Set the pointer field of the frame.\r | |
2360 | //\r | |
2361 | pCurEntry->FrameListPtr = (UINT32) ((UINTN) ptr >> 4);\r | |
2362 | }\r | |
2363 | \r | |
2364 | VOID *\r | |
2365 | GetCurFrameListPointer (\r | |
2366 | IN FRAMELIST_ENTRY *pCurEntry\r | |
2367 | )\r | |
2368 | {\r | |
2369 | //\r | |
2370 | // Get the link pointer of the frame.\r | |
2371 | //\r | |
2372 | return (VOID *) ((UINTN) (pCurEntry->FrameListPtr << 4));\r | |
2373 | \r | |
2374 | }\r | |
2375 | \r | |
2376 | VOID\r | |
2377 | LinkQHToFrameList (\r | |
2378 | IN FRAMELIST_ENTRY *pEntry,\r | |
2379 | IN UINT16 FrameListIndex,\r | |
2380 | IN QH_STRUCT *PtrQH\r | |
2381 | )\r | |
2382 | /*++\r | |
2383 | \r | |
2384 | Routine Description:\r | |
2385 | \r | |
2386 | Link QH To Frame List\r | |
2387 | \r | |
2388 | Arguments:\r | |
2389 | \r | |
2390 | pEntry - FRAMELIST_ENTRY\r | |
2391 | FrameListIndex - Frame List Index\r | |
2392 | PtrQH - QH to link \r | |
2393 | Returns:\r | |
2394 | \r | |
2395 | VOID\r | |
2396 | \r | |
2397 | --*/\r | |
2398 | {\r | |
2399 | FRAMELIST_ENTRY *pCurFrame;\r | |
2400 | QH_STRUCT *TempQH;\r | |
2401 | QH_STRUCT *NextTempQH;\r | |
2402 | TD_STRUCT *TempTD;\r | |
2403 | BOOLEAN LINK;\r | |
2404 | \r | |
2405 | //\r | |
2406 | // Get frame list entry that the link process will begin from.\r | |
2407 | //\r | |
2408 | pCurFrame = pEntry + FrameListIndex;\r | |
2409 | \r | |
2410 | //\r | |
2411 | // if current frame is empty\r | |
2412 | // then link the specified QH directly to the Frame List.\r | |
2413 | //\r | |
2414 | if (GetCurFrameListTerminate (pCurFrame)) {\r | |
2415 | \r | |
2416 | //\r | |
2417 | // Link new QH to the frame list entry.\r | |
2418 | //\r | |
2419 | SetCurFrameListQHorTD (pCurFrame, TRUE);\r | |
2420 | \r | |
2421 | SetCurFrameListPointer (pCurFrame, (UINT8 *) PtrQH);\r | |
2422 | \r | |
2423 | //\r | |
2424 | // clear T bit in the Frame List, indicating that the frame list entry\r | |
2425 | // is no longer empty.\r | |
2426 | //\r | |
2427 | SetorClearCurFrameListTerminate (pCurFrame, FALSE);\r | |
2428 | \r | |
2429 | return ;\r | |
2430 | \r | |
2431 | } else {\r | |
2432 | //\r | |
2433 | // current frame list has link pointer\r | |
2434 | //\r | |
2435 | if (!IsCurFrameListQHorTD (pCurFrame)) {\r | |
2436 | //\r | |
2437 | // a TD is linked to the framelist entry\r | |
2438 | //\r | |
2439 | TempTD = (TD_STRUCT *) GetCurFrameListPointer (pCurFrame);\r | |
2440 | \r | |
2441 | while (GetTDLinkPtrValidorInvalid (TempTD)) {\r | |
2442 | \r | |
2443 | if (IsTDLinkPtrQHOrTD (TempTD)) {\r | |
2444 | //\r | |
2445 | // QH linked next to the TD\r | |
2446 | //\r | |
2447 | break;\r | |
2448 | }\r | |
2449 | \r | |
2450 | TempTD = (TD_STRUCT *) GetTDLinkPtr (TempTD);\r | |
2451 | }\r | |
2452 | \r | |
2453 | //\r | |
2454 | // either no ptr linked next to the TD or QH is linked next to the TD\r | |
2455 | //\r | |
2456 | if (!GetTDLinkPtrValidorInvalid (TempTD)) {\r | |
2457 | \r | |
2458 | //\r | |
2459 | // no ptr linked next to the TD\r | |
2460 | //\r | |
2461 | TempTD->ptrNextQH = PtrQH;\r | |
2462 | SetTDLinkPtrQHorTDSelect (TempTD, TRUE);\r | |
2463 | SetTDLinkPtr (TempTD, PtrQH);\r | |
2464 | SetTDLinkPtrValidorInvalid (TempTD, TRUE);\r | |
2465 | return ;\r | |
2466 | \r | |
2467 | } else {\r | |
2468 | //\r | |
2469 | // QH is linked next to the TD\r | |
2470 | //\r | |
2471 | TempQH = (QH_STRUCT *) GetTDLinkPtr (TempTD);\r | |
2472 | }\r | |
2473 | } else {\r | |
2474 | //\r | |
2475 | // a QH is linked to the framelist entry\r | |
2476 | //\r | |
2477 | TempQH = (QH_STRUCT *) GetCurFrameListPointer (pCurFrame);\r | |
2478 | }\r | |
2479 | \r | |
2480 | //\r | |
2481 | // Set up Flag\r | |
2482 | //\r | |
2483 | LINK = TRUE;\r | |
2484 | \r | |
2485 | //\r | |
2486 | // Avoid the same qh repeated linking in one frame entry\r | |
2487 | //\r | |
2488 | if (TempQH == PtrQH) {\r | |
2489 | LINK = FALSE;\r | |
2490 | return ;\r | |
2491 | }\r | |
2492 | //\r | |
2493 | // if current QH has next QH connected\r | |
2494 | //\r | |
2495 | while (GetQHHorizontalValidorInvalid (TempQH)) {\r | |
2496 | //\r | |
2497 | // Get next QH pointer\r | |
2498 | //\r | |
2499 | NextTempQH = (QH_STRUCT *) GetQHHorizontalLinkPtr (TempQH);\r | |
2500 | \r | |
2501 | //\r | |
2502 | // Bulk transfer qh may be self-linked,\r | |
2503 | // so, the code below is to aVOID dead-loop when meeting self-linked qh\r | |
2504 | //\r | |
2505 | if (NextTempQH == TempQH) {\r | |
2506 | LINK = FALSE;\r | |
2507 | break;\r | |
2508 | }\r | |
2509 | \r | |
2510 | TempQH = NextTempQH;\r | |
2511 | \r | |
2512 | //\r | |
2513 | // Avoid the same qh repeated linking in one frame entry\r | |
2514 | //\r | |
2515 | if (TempQH == PtrQH) {\r | |
2516 | LINK = FALSE;\r | |
2517 | }\r | |
2518 | }\r | |
2519 | \r | |
2520 | if (LINK) {\r | |
2521 | TempQH->ptrNext = PtrQH;\r | |
2522 | SetQHHorizontalQHorTDSelect (TempQH, TRUE);\r | |
2523 | SetQHHorizontalLinkPtr (TempQH, PtrQH);\r | |
2524 | SetQHHorizontalValidorInvalid (TempQH, TRUE);\r | |
2525 | }\r | |
2526 | \r | |
2527 | return ;\r | |
2528 | }\r | |
2529 | }\r | |
2530 | \r | |
2531 | EFI_STATUS\r | |
2532 | ExecuteControlTransfer (\r | |
2533 | IN USB_HC_DEV *HcDev,\r | |
2534 | IN TD_STRUCT *PtrTD,\r | |
2535 | IN UINT32 wIndex,\r | |
2536 | OUT UINTN *ActualLen,\r | |
2537 | IN UINTN TimeOut,\r | |
2538 | OUT UINT32 *TransferResult\r | |
2539 | )\r | |
2540 | /*++\r | |
2541 | \r | |
2542 | Routine Description:\r | |
2543 | \r | |
2544 | Execute Control Transfer\r | |
2545 | \r | |
2546 | Arguments:\r | |
2547 | \r | |
2548 | HcDev - USB_HC_DEV\r | |
2549 | PtrTD - TD_STRUCT\r | |
2550 | wIndex - No use\r | |
2551 | ActualLen - Actual transfered Len \r | |
2552 | TimeOut - TimeOut value in milliseconds\r | |
2553 | TransferResult - Transfer result\r | |
2554 | Returns:\r | |
2555 | \r | |
2556 | EFI_SUCCESS - Sucess\r | |
2557 | EFI_DEVICE_ERROR - Error\r | |
2558 | \r | |
2559 | \r | |
2560 | --*/\r | |
2561 | {\r | |
2562 | UINTN ErrTDPos;\r | |
2563 | UINTN Delay;\r | |
2564 | UINTN RequiredLen;\r | |
2565 | BOOLEAN TransferFinished;\r | |
2566 | \r | |
2567 | ErrTDPos = 0;\r | |
2568 | *TransferResult = EFI_USB_NOERROR;\r | |
2569 | RequiredLen = *ActualLen;\r | |
2570 | *ActualLen = 0;\r | |
2571 | \r | |
2572 | Delay = (TimeOut * STALL_1_MILLI_SECOND / 50) + 1;\r | |
2573 | \r | |
2574 | do {\r | |
2575 | TransferFinished = CheckTDsResults (\r | |
2576 | PtrTD,\r | |
2577 | RequiredLen,\r | |
2578 | TransferResult,\r | |
2579 | &ErrTDPos,\r | |
2580 | ActualLen\r | |
2581 | );\r | |
2582 | \r | |
2583 | if (TransferFinished) {\r | |
2584 | break;\r | |
2585 | }\r | |
2586 | \r | |
2587 | //\r | |
2588 | // TD is inactive, which means the control transfer is end.\r | |
2589 | //\r | |
2590 | if ((*TransferResult & EFI_USB_ERR_NOTEXECUTE) != EFI_USB_ERR_NOTEXECUTE) {\r | |
2591 | break;\r | |
2592 | } \r | |
2593 | \r | |
2594 | gBS->Stall (50);\r | |
2595 | \r | |
2596 | } while (Delay--);\r | |
2597 | \r | |
2598 | if (*TransferResult != EFI_USB_NOERROR) {\r | |
2599 | return EFI_DEVICE_ERROR;\r | |
2600 | }\r | |
2601 | \r | |
2602 | return EFI_SUCCESS;\r | |
2603 | }\r | |
2604 | \r | |
2605 | EFI_STATUS\r | |
2606 | ExecBulkorSyncInterruptTransfer (\r | |
2607 | IN USB_HC_DEV *HcDev,\r | |
2608 | IN TD_STRUCT *PtrTD,\r | |
2609 | IN UINT32 wIndex,\r | |
2610 | OUT UINTN *ActualLen,\r | |
2611 | OUT UINT8 *DataToggle,\r | |
2612 | IN UINTN TimeOut,\r | |
2613 | OUT UINT32 *TransferResult\r | |
2614 | )\r | |
2615 | /*++\r | |
2616 | \r | |
2617 | Routine Description:\r | |
2618 | \r | |
2619 | Execute Bulk or SyncInterrupt Transfer\r | |
2620 | \r | |
2621 | Arguments:\r | |
2622 | \r | |
2623 | HcDev - USB_HC_DEV\r | |
2624 | PtrTD - TD_STRUCT\r | |
2625 | wIndex - No use\r | |
2626 | ActualLen - Actual transfered Len \r | |
2627 | DataToggle - Data Toggle\r | |
2628 | TimeOut - TimeOut value in milliseconds\r | |
2629 | TransferResult - Transfer result\r | |
2630 | Returns:\r | |
2631 | \r | |
2632 | EFI_SUCCESS - Sucess\r | |
2633 | EFI_DEVICE_ERROR - Error\r | |
2634 | --*/\r | |
2635 | {\r | |
2636 | UINTN ErrTDPos;\r | |
2637 | UINTN ScrollNum;\r | |
2638 | UINTN Delay;\r | |
2639 | UINTN RequiredLen;\r | |
2640 | BOOLEAN TransferFinished;\r | |
2641 | \r | |
2642 | ErrTDPos = 0;\r | |
2643 | *TransferResult = EFI_USB_NOERROR;\r | |
2644 | RequiredLen = *ActualLen;\r | |
2645 | *ActualLen = 0;\r | |
2646 | \r | |
2647 | Delay = (TimeOut * STALL_1_MILLI_SECOND / 50) + 1;\r | |
2648 | \r | |
2649 | do {\r | |
2650 | \r | |
2651 | TransferFinished = CheckTDsResults (\r | |
2652 | PtrTD,\r | |
2653 | RequiredLen,\r | |
2654 | TransferResult,\r | |
2655 | &ErrTDPos,\r | |
2656 | ActualLen\r | |
2657 | );\r | |
2658 | \r | |
2659 | if (TransferFinished) {\r | |
2660 | break;\r | |
2661 | }\r | |
2662 | \r | |
2663 | //\r | |
2664 | // TD is inactive, which means bulk or interrupt transfer's end.\r | |
2665 | // \r | |
2666 | if ((*TransferResult & EFI_USB_ERR_NOTEXECUTE) != EFI_USB_ERR_NOTEXECUTE) {\r | |
2667 | break;\r | |
2668 | }\r | |
2669 | \r | |
2670 | gBS->Stall (50);\r | |
2671 | \r | |
2672 | } while (Delay--);\r | |
2673 | \r | |
2674 | //\r | |
2675 | // has error\r | |
2676 | //\r | |
2677 | if (*TransferResult != EFI_USB_NOERROR) {\r | |
2678 | \r | |
2679 | //\r | |
2680 | // scroll the Data Toggle back to the last success TD\r | |
2681 | //\r | |
2682 | ScrollNum = CountTDsNumber (PtrTD) - ErrTDPos;\r | |
2683 | if (ScrollNum & 0x1) {\r | |
2684 | *DataToggle ^= 1;\r | |
2685 | }\r | |
2686 | \r | |
2687 | return EFI_DEVICE_ERROR;\r | |
2688 | }\r | |
2689 | \r | |
2690 | return EFI_SUCCESS;\r | |
2691 | }\r | |
2692 | \r | |
2693 | VOID\r | |
2694 | DelLinkSingleQH (\r | |
2695 | IN USB_HC_DEV *HcDev,\r | |
2696 | IN QH_STRUCT *PtrQH,\r | |
2697 | IN UINT16 FrameListIndex,\r | |
2698 | IN BOOLEAN SearchOther,\r | |
2699 | IN BOOLEAN Delete\r | |
2700 | )\r | |
2701 | /*++\r | |
2702 | \r | |
2703 | Routine Description:\r | |
2704 | \r | |
2705 | Unlink from frame list and delete single QH\r | |
2706 | Arguments:\r | |
2707 | \r | |
2708 | HcDev - USB_HC_DEV\r | |
2709 | PtrQH - QH_STRUCT\r | |
2710 | FrameListIndex - Frame List Index\r | |
2711 | SearchOther - Search Other QH\r | |
2712 | Delete - TRUE is to delete the QH\r | |
2713 | Returns:\r | |
2714 | VOID\r | |
2715 | --*/\r | |
2716 | {\r | |
2717 | FRAMELIST_ENTRY *pCurFrame;\r | |
2718 | UINTN Index;\r | |
2719 | UINTN BeginFrame;\r | |
2720 | UINTN EndFrame;\r | |
2721 | QH_STRUCT *CurrentQH;\r | |
2722 | QH_STRUCT *NextQH;\r | |
2723 | TD_STRUCT *CurrentTD;\r | |
2724 | VOID *PtrPreQH;\r | |
2725 | BOOLEAN Found;\r | |
2726 | \r | |
2727 | NextQH = NULL;\r | |
2728 | PtrPreQH = NULL;\r | |
2729 | Found = FALSE;\r | |
2730 | \r | |
2731 | if (PtrQH == NULL) {\r | |
2732 | return ;\r | |
2733 | }\r | |
2734 | \r | |
2735 | if (SearchOther) {\r | |
2736 | BeginFrame = 0;\r | |
2737 | EndFrame = 1024;\r | |
2738 | } else {\r | |
2739 | BeginFrame = FrameListIndex;\r | |
2740 | EndFrame = FrameListIndex + 1;\r | |
2741 | }\r | |
2742 | \r | |
2743 | for (Index = BeginFrame; Index < EndFrame; Index++) {\r | |
2744 | \r | |
2745 | pCurFrame = HcDev->FrameListEntry + (Index & 0x3FF);\r | |
2746 | \r | |
2747 | if (GetCurFrameListTerminate (pCurFrame)) {\r | |
2748 | //\r | |
2749 | // current frame list is empty,search next frame list entry\r | |
2750 | //\r | |
2751 | continue;\r | |
2752 | }\r | |
2753 | \r | |
2754 | if (!IsCurFrameListQHorTD (pCurFrame)) {\r | |
2755 | //\r | |
2756 | // TD linked to current framelist\r | |
2757 | //\r | |
2758 | CurrentTD = (TD_STRUCT *) GetCurFrameListPointer (pCurFrame);\r | |
2759 | \r | |
2760 | while (GetTDLinkPtrValidorInvalid (CurrentTD)) {\r | |
2761 | \r | |
2762 | if (IsTDLinkPtrQHOrTD (CurrentTD)) {\r | |
2763 | //\r | |
2764 | // QH linked next to the TD,break while ()\r | |
2765 | //\r | |
2766 | break;\r | |
2767 | }\r | |
2768 | \r | |
2769 | CurrentTD = (TD_STRUCT *) GetTDLinkPtr (CurrentTD);\r | |
2770 | }\r | |
2771 | \r | |
2772 | if (!GetTDLinkPtrValidorInvalid (CurrentTD)) {\r | |
2773 | //\r | |
2774 | // no QH linked next to the last TD,\r | |
2775 | // search next frame list\r | |
2776 | //\r | |
2777 | continue;\r | |
2778 | }\r | |
2779 | \r | |
2780 | //\r | |
2781 | // a QH linked next to the last TD\r | |
2782 | //\r | |
2783 | CurrentQH = (QH_STRUCT *) GetTDLinkPtr (CurrentTD);\r | |
2784 | \r | |
2785 | PtrPreQH = CurrentTD;\r | |
2786 | \r | |
2787 | } else {\r | |
2788 | //\r | |
2789 | // a QH linked to current framelist\r | |
2790 | //\r | |
2791 | CurrentQH = (QH_STRUCT *) GetCurFrameListPointer (pCurFrame);\r | |
2792 | \r | |
2793 | PtrPreQH = NULL;\r | |
2794 | }\r | |
2795 | \r | |
2796 | if (CurrentQH == PtrQH) {\r | |
2797 | \r | |
2798 | if (GetQHHorizontalValidorInvalid (PtrQH)) {\r | |
2799 | //\r | |
2800 | // there is QH connected after the QH found\r | |
2801 | //\r | |
2802 | //\r | |
2803 | // retrieve nex qh pointer of the qh found.\r | |
2804 | //\r | |
2805 | NextQH = GetQHHorizontalLinkPtr (PtrQH);\r | |
2806 | } else {\r | |
2807 | NextQH = NULL;\r | |
2808 | }\r | |
2809 | \r | |
2810 | if (PtrPreQH) {\r | |
2811 | //\r | |
2812 | // QH linked to a TD struct\r | |
2813 | //\r | |
2814 | CurrentTD = (TD_STRUCT *) PtrPreQH;\r | |
2815 | \r | |
2816 | SetTDLinkPtrValidorInvalid (CurrentTD, (BOOLEAN) ((NextQH == NULL) ? FALSE : TRUE));\r | |
2817 | SetTDLinkPtr (CurrentTD, NextQH);\r | |
2818 | CurrentTD->ptrNextQH = NextQH;\r | |
2819 | \r | |
2820 | } else {\r | |
2821 | //\r | |
2822 | // QH linked directly to current framelist entry\r | |
2823 | //\r | |
2824 | SetorClearCurFrameListTerminate (pCurFrame, (BOOLEAN) ((NextQH == NULL) ? TRUE : FALSE));\r | |
2825 | SetCurFrameListPointer (pCurFrame, (UINT8 *) NextQH);\r | |
2826 | }\r | |
2827 | \r | |
2828 | Found = TRUE;\r | |
2829 | //\r | |
2830 | // search next framelist entry\r | |
2831 | //\r | |
2832 | continue;\r | |
2833 | }\r | |
2834 | \r | |
2835 | while (GetQHHorizontalValidorInvalid (CurrentQH)) {\r | |
2836 | \r | |
2837 | PtrPreQH = CurrentQH;\r | |
2838 | //\r | |
2839 | // Get next horizontal linked QH\r | |
2840 | //\r | |
2841 | CurrentQH = (QH_STRUCT *) GetQHHorizontalLinkPtr (CurrentQH);\r | |
2842 | //\r | |
2843 | // the qh is found\r | |
2844 | //\r | |
2845 | if (CurrentQH == PtrQH) {\r | |
2846 | break;\r | |
2847 | }\r | |
2848 | }\r | |
2849 | \r | |
2850 | //\r | |
2851 | // search next frame list entry\r | |
2852 | //\r | |
2853 | if (CurrentQH != PtrQH) {\r | |
2854 | //\r | |
2855 | // Not find the QH\r | |
2856 | //\r | |
2857 | continue;\r | |
2858 | }\r | |
2859 | //\r | |
2860 | // find the specified qh, then delink it from\r | |
2861 | // the horizontal QH list in the frame entry.\r | |
2862 | //\r | |
2863 | \r | |
2864 | if (GetQHHorizontalValidorInvalid (PtrQH)) {\r | |
2865 | //\r | |
2866 | // there is QH connected after the QH found\r | |
2867 | //\r | |
2868 | //\r | |
2869 | // retrieve nex qh pointer of the qh found.\r | |
2870 | //\r | |
2871 | NextQH = GetQHHorizontalLinkPtr (PtrQH);\r | |
2872 | \r | |
2873 | } else {\r | |
2874 | //\r | |
2875 | // NO QH connected after the QH found\r | |
2876 | //\r | |
2877 | NextQH = NULL;\r | |
2878 | //\r | |
2879 | // NULL the previous QH's link ptr and set Terminate field.\r | |
2880 | //\r | |
2881 | SetQHHorizontalValidorInvalid ((QH_STRUCT *) PtrPreQH, FALSE);\r | |
2882 | }\r | |
2883 | \r | |
2884 | SetQHHorizontalLinkPtr ((QH_STRUCT *) PtrPreQH, NextQH);\r | |
2885 | ((QH_STRUCT *) PtrPreQH)->ptrNext = NextQH;\r | |
2886 | \r | |
2887 | Found = TRUE;\r | |
2888 | }\r | |
2889 | \r | |
2890 | if (Found && Delete) {\r | |
2891 | //\r | |
2892 | // free memory once used by the specific QH\r | |
2893 | //\r | |
2894 | UhciFreePool (HcDev, (UINT8 *) PtrQH, sizeof (QH_STRUCT));\r | |
2895 | }\r | |
2896 | \r | |
2897 | return ;\r | |
2898 | }\r | |
2899 | \r | |
2900 | \r | |
2901 | VOID\r | |
2902 | DeleteQueuedTDs (\r | |
2903 | IN USB_HC_DEV *HcDev,\r | |
2904 | IN TD_STRUCT *PtrFirstTD\r | |
2905 | )\r | |
2906 | /*++\r | |
2907 | Routine Description:\r | |
2908 | \r | |
2909 | Delete Queued TDs\r | |
2910 | Arguments:\r | |
2911 | \r | |
2912 | HcDev - USB_HC_DEV\r | |
2913 | PtrFirstTD - TD link list head\r | |
2914 | \r | |
2915 | Returns:\r | |
2916 | VOID\r | |
2917 | \r | |
2918 | --*/\r | |
2919 | {\r | |
2920 | TD_STRUCT *Tptr1;\r | |
2921 | TD_STRUCT *Tptr2;\r | |
2922 | \r | |
2923 | Tptr1 = PtrFirstTD;\r | |
2924 | //\r | |
2925 | // Delete all the TDs in a queue.\r | |
2926 | //\r | |
2927 | while (Tptr1) {\r | |
2928 | \r | |
2929 | Tptr2 = Tptr1;\r | |
2930 | \r | |
2931 | if (!GetTDLinkPtrValidorInvalid (Tptr2)) {\r | |
2932 | Tptr1 = NULL;\r | |
2933 | } else {\r | |
2934 | \r | |
2935 | Tptr1 = GetTDLinkPtr (Tptr2);\r | |
2936 | \r | |
2937 | //\r | |
2938 | // TD link to itself\r | |
2939 | //\r | |
2940 | if (Tptr1 == Tptr2) {\r | |
2941 | Tptr1 = NULL;\r | |
2942 | }\r | |
2943 | }\r | |
2944 | \r | |
2945 | UhciFreePool (HcDev, (UINT8 *) Tptr2, sizeof (TD_STRUCT));\r | |
2946 | }\r | |
2947 | \r | |
2948 | return ;\r | |
2949 | }\r | |
2950 | \r | |
2951 | VOID\r | |
2952 | InsertQHTDToINTList (\r | |
2953 | IN USB_HC_DEV *HcDev,\r | |
2954 | IN QH_STRUCT *PtrQH,\r | |
2955 | IN TD_STRUCT *PtrFirstTD,\r | |
2956 | IN UINT8 DeviceAddress,\r | |
2957 | IN UINT8 EndPointAddress,\r | |
2958 | IN UINT8 DataToggle,\r | |
2959 | IN UINTN DataLength,\r | |
2960 | IN UINTN PollingInterval,\r | |
2961 | IN VOID *Mapping,\r | |
2962 | IN UINT8 *DataBuffer,\r | |
2963 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction,\r | |
2964 | IN VOID *Context\r | |
2965 | )\r | |
2966 | /*++\r | |
2967 | Routine Description:\r | |
2968 | Insert QH and TD To Interrupt List\r | |
2969 | Arguments:\r | |
2970 | \r | |
2971 | HcDev - USB_HC_DEV\r | |
2972 | PtrQH - QH_STRUCT\r | |
2973 | PtrFirstTD - First TD_STRUCT\r | |
2974 | DeviceAddress - Device Address\r | |
2975 | EndPointAddress - EndPoint Address\r | |
2976 | DataToggle - Data Toggle\r | |
2977 | DataLength - Data length \r | |
2978 | PollingInterval - Polling Interval when inserted to frame list\r | |
2979 | Mapping - Mapping alue \r | |
2980 | DataBuffer - Data buffer\r | |
2981 | CallBackFunction- CallBackFunction after interrupt transfeer\r | |
2982 | Context - CallBackFunction Context passed as function parameter\r | |
2983 | Returns:\r | |
2984 | EFI_SUCCESS - Sucess\r | |
2985 | EFI_INVALID_PARAMETER - Paremeter is error \r | |
2986 | \r | |
2987 | --*/\r | |
2988 | {\r | |
2989 | INTERRUPT_LIST *Node;\r | |
2990 | \r | |
2991 | Node = AllocatePool (sizeof (INTERRUPT_LIST));\r | |
2992 | if (Node == NULL) {\r | |
2993 | return ;\r | |
2994 | }\r | |
2995 | \r | |
2996 | //\r | |
2997 | // Fill Node field\r | |
2998 | //\r | |
2999 | Node->Signature = INTERRUPT_LIST_SIGNATURE;\r | |
3000 | Node->DevAddr = DeviceAddress;\r | |
3001 | Node->EndPoint = EndPointAddress;\r | |
3002 | Node->PtrQH = PtrQH;\r | |
3003 | Node->PtrFirstTD = PtrFirstTD;\r | |
3004 | Node->DataToggle = DataToggle;\r | |
3005 | Node->DataLen = DataLength;\r | |
3006 | Node->PollInterval = PollingInterval;\r | |
3007 | Node->Mapping = Mapping;\r | |
3008 | //\r | |
3009 | // DataBuffer is allocated host memory, not mapped memory\r | |
3010 | //\r | |
3011 | Node->DataBuffer = DataBuffer;\r | |
3012 | Node->InterruptCallBack = CallBackFunction;\r | |
3013 | Node->InterruptContext = Context;\r | |
3014 | \r | |
3015 | //\r | |
3016 | // insert the new interrupt transfer to the head of the list.\r | |
3017 | // The interrupt transfer's monitor function scans the whole list from head\r | |
3018 | // to tail. The new interrupt transfer MUST be added to the head of the list\r | |
3019 | // for the sake of error recovery.\r | |
3020 | //\r | |
3021 | InsertHeadList (&(HcDev->InterruptListHead), &(Node->Link));\r | |
3022 | \r | |
3023 | return ;\r | |
3024 | }\r | |
3025 | \r | |
3026 | \r | |
3027 | EFI_STATUS\r | |
3028 | DeleteAsyncINTQHTDs (\r | |
3029 | IN USB_HC_DEV *HcDev,\r | |
3030 | IN UINT8 DeviceAddress,\r | |
3031 | IN UINT8 EndPointAddress,\r | |
3032 | OUT UINT8 *DataToggle\r | |
3033 | )\r | |
3034 | /*++\r | |
3035 | Routine Description:\r | |
3036 | \r | |
3037 | Delete Async INT QH and TDs\r | |
3038 | Arguments:\r | |
3039 | \r | |
3040 | HcDev - USB_HC_DEV\r | |
3041 | DeviceAddress - Device Address\r | |
3042 | EndPointAddress - EndPoint Address\r | |
3043 | DataToggle - Data Toggle\r | |
3044 | \r | |
3045 | Returns:\r | |
3046 | EFI_SUCCESS - Sucess\r | |
3047 | EFI_INVALID_PARAMETER - Paremeter is error \r | |
3048 | \r | |
3049 | --*/\r | |
3050 | {\r | |
3051 | QH_STRUCT *MatchQH;\r | |
3052 | QH_STRUCT *ptrNextQH;\r | |
3053 | TD_STRUCT *MatchTD;\r | |
3054 | LIST_ENTRY *Link;\r | |
3055 | INTERRUPT_LIST *MatchList;\r | |
3056 | INTERRUPT_LIST *PtrList;\r | |
3057 | BOOLEAN Found;\r | |
3058 | \r | |
3059 | UINT32 Result;\r | |
3060 | UINTN ErrTDPos;\r | |
3061 | UINTN ActualLen;\r | |
3062 | \r | |
3063 | MatchQH = NULL;\r | |
3064 | MatchTD = NULL;\r | |
3065 | MatchList = NULL;\r | |
3066 | \r | |
3067 | //\r | |
3068 | // no interrupt transaction exists\r | |
3069 | //\r | |
3070 | if (IsListEmpty (&(HcDev->InterruptListHead))) {\r | |
3071 | return EFI_INVALID_PARAMETER;\r | |
3072 | }\r | |
3073 | //\r | |
3074 | // find the correct QH-TD that need to delete\r | |
3075 | // (by matching Device address and EndPoint number to match QH-TD )\r | |
3076 | //\r | |
3077 | Found = FALSE;\r | |
3078 | Link = &(HcDev->InterruptListHead);\r | |
3079 | do {\r | |
3080 | \r | |
3081 | Link = Link->ForwardLink;\r | |
3082 | PtrList = INTERRUPT_LIST_FROM_LINK (Link);\r | |
3083 | \r | |
3084 | if ((PtrList->DevAddr == DeviceAddress) && ((PtrList->EndPoint & 0x0f) == (EndPointAddress & 0x0f))) {\r | |
3085 | MatchList = PtrList;\r | |
3086 | \r | |
3087 | Found = TRUE;\r | |
3088 | break;\r | |
3089 | }\r | |
3090 | \r | |
3091 | } while (Link->ForwardLink != &(HcDev->InterruptListHead));\r | |
3092 | \r | |
3093 | if (!Found) {\r | |
3094 | return EFI_INVALID_PARAMETER;\r | |
3095 | }\r | |
3096 | //\r | |
3097 | // get current endpoint's data toggle bit and save.\r | |
3098 | //\r | |
3099 | ExecuteAsyncINTTDs (HcDev, MatchList, &Result, &ErrTDPos, &ActualLen);\r | |
3100 | UpdateAsyncINTQHTDs (MatchList, Result, (UINT32) ErrTDPos);\r | |
3101 | *DataToggle = MatchList->DataToggle;\r | |
3102 | \r | |
3103 | MatchTD = MatchList->PtrFirstTD;\r | |
3104 | MatchQH = MatchList->PtrQH;\r | |
3105 | //\r | |
3106 | // find the first matching QH position in the FrameList\r | |
3107 | //\r | |
3108 | while (MatchQH) {\r | |
3109 | \r | |
3110 | ptrNextQH = MatchQH->ptrNextIntQH;\r | |
3111 | \r | |
3112 | //\r | |
3113 | // Search all the entries\r | |
3114 | //\r | |
3115 | DelLinkSingleQH (HcDev, MatchQH, 0, TRUE, TRUE);\r | |
3116 | \r | |
3117 | MatchQH = ptrNextQH;\r | |
3118 | }\r | |
3119 | \r | |
3120 | //\r | |
3121 | // Call PciIo->Unmap() to unmap the busmaster read/write\r | |
3122 | //\r | |
3123 | HcDev->PciIo->Unmap (HcDev->PciIo, MatchList->Mapping);\r | |
3124 | \r | |
3125 | //\r | |
3126 | // free host data buffer allocated,\r | |
3127 | // mapped data buffer is freed by Unmap\r | |
3128 | //\r | |
3129 | if (MatchList->DataBuffer != NULL) {\r | |
3130 | gBS->FreePool (MatchList->DataBuffer);\r | |
3131 | }\r | |
3132 | \r | |
3133 | //\r | |
3134 | // at last delete the TDs, to aVOID problems\r | |
3135 | //\r | |
3136 | DeleteQueuedTDs (HcDev, MatchTD);\r | |
3137 | \r | |
3138 | //\r | |
3139 | // remove Match node from interrupt list\r | |
3140 | //\r | |
3141 | RemoveEntryList (&(MatchList->Link));\r | |
3142 | gBS->FreePool (MatchList);\r | |
3143 | return EFI_SUCCESS;\r | |
3144 | }\r | |
3145 | \r | |
3146 | BOOLEAN\r | |
3147 | CheckTDsResults (\r | |
3148 | IN TD_STRUCT *PtrTD,\r | |
3149 | IN UINTN RequiredLen,\r | |
3150 | OUT UINT32 *Result,\r | |
3151 | OUT UINTN *ErrTDPos,\r | |
3152 | OUT UINTN *ActualTransferSize\r | |
3153 | )\r | |
3154 | /*++\r | |
3155 | \r | |
3156 | Routine Description:\r | |
3157 | \r | |
3158 | Check TDs Results\r | |
3159 | \r | |
3160 | Arguments:\r | |
3161 | \r | |
3162 | PtrTD - TD_STRUCT to check\r | |
3163 | RequiredLen - Required Len\r | |
3164 | Result - Transfer result\r | |
3165 | ErrTDPos - Error TD Position\r | |
3166 | ActualTransferSize - Actual Transfer Size\r | |
3167 | \r | |
3168 | Returns:\r | |
3169 | \r | |
3170 | TRUE - Sucess\r | |
3171 | FALSE - Fail\r | |
3172 | \r | |
3173 | --*/\r | |
3174 | {\r | |
3175 | UINTN Len;\r | |
3176 | \r | |
3177 | *Result = EFI_USB_NOERROR;\r | |
3178 | *ErrTDPos = 0;\r | |
3179 | \r | |
3180 | //\r | |
3181 | // Init to zero.\r | |
3182 | //\r | |
3183 | *ActualTransferSize = 0;\r | |
3184 | \r | |
3185 | while (PtrTD) {\r | |
3186 | \r | |
3187 | if (IsTDStatusActive (PtrTD)) {\r | |
3188 | *Result |= EFI_USB_ERR_NOTEXECUTE;\r | |
3189 | }\r | |
3190 | \r | |
3191 | if (IsTDStatusStalled (PtrTD)) {\r | |
3192 | *Result |= EFI_USB_ERR_STALL;\r | |
3193 | }\r | |
3194 | \r | |
3195 | if (IsTDStatusBufferError (PtrTD)) {\r | |
3196 | *Result |= EFI_USB_ERR_BUFFER;\r | |
3197 | }\r | |
3198 | \r | |
3199 | if (IsTDStatusBabbleError (PtrTD)) {\r | |
3200 | *Result |= EFI_USB_ERR_BABBLE;\r | |
3201 | }\r | |
3202 | \r | |
3203 | if (IsTDStatusNAKReceived (PtrTD)) {\r | |
3204 | *Result |= EFI_USB_ERR_NAK;\r | |
3205 | }\r | |
3206 | \r | |
3207 | if (IsTDStatusCRCTimeOutError (PtrTD)) {\r | |
3208 | *Result |= EFI_USB_ERR_TIMEOUT;\r | |
3209 | }\r | |
3210 | \r | |
3211 | if (IsTDStatusBitStuffError (PtrTD)) {\r | |
3212 | *Result |= EFI_USB_ERR_BITSTUFF;\r | |
3213 | }\r | |
3214 | \r | |
3215 | //\r | |
3216 | // if any error encountered, stop processing the left TDs.\r | |
3217 | //\r | |
3218 | if (*Result) {\r | |
3219 | return FALSE;\r | |
3220 | }\r | |
3221 | \r | |
3222 | Len = GetTDStatusActualLength (PtrTD) & 0x7FF;\r | |
3223 | *ActualTransferSize += Len;\r | |
3224 | \r | |
3225 | if (*ActualTransferSize <= RequiredLen && Len < PtrTD->TDData.TDTokenMaxLen) {\r | |
3226 | //\r | |
3227 | // transter finished and actural length less than required length\r | |
3228 | //\r | |
3229 | goto Done;\r | |
3230 | }\r | |
3231 | //\r | |
3232 | // Accumulate actual transferred data length in each TD.\r | |
3233 | //\r | |
3234 | PtrTD = (TD_STRUCT *) (PtrTD->ptrNextTD);\r | |
3235 | //\r | |
3236 | // Record the first Error TD's position in the queue,\r | |
3237 | // this value is zero-based.\r | |
3238 | //\r | |
3239 | (*ErrTDPos)++;\r | |
3240 | }\r | |
3241 | \r | |
3242 | Done:\r | |
3243 | return TRUE;\r | |
3244 | }\r | |
3245 | \r | |
3246 | \r | |
3247 | VOID\r | |
3248 | ExecuteAsyncINTTDs (\r | |
3249 | IN USB_HC_DEV *HcDev,\r | |
3250 | IN INTERRUPT_LIST *PtrList,\r | |
3251 | OUT UINT32 *Result,\r | |
3252 | OUT UINTN *ErrTDPos,\r | |
3253 | OUT UINTN *ActualLen\r | |
3254 | )\r | |
3255 | /*++\r | |
3256 | \r | |
3257 | Routine Description:\r | |
3258 | \r | |
3259 | Execute Async Interrupt TDs\r | |
3260 | \r | |
3261 | Arguments:\r | |
3262 | \r | |
3263 | HcDev - USB_HC_DEV\r | |
3264 | PtrList - INTERRUPT_LIST\r | |
3265 | Result - Transfer result\r | |
3266 | ErrTDPos - Error TD Position\r | |
3267 | ActualTransferSize - Actual Transfer Size\r | |
3268 | \r | |
3269 | Returns:\r | |
3270 | \r | |
3271 | VOID\r | |
3272 | \r | |
3273 | --*/\r | |
3274 | {\r | |
3275 | //\r | |
3276 | // *ErrTDPos is zero-based value, indicating the first error TD's position\r | |
3277 | // in the TDs' sequence.\r | |
3278 | // *ErrTDPos value is only valid when *Result is not equal NOERROR.\r | |
3279 | //\r | |
3280 | UINTN RequiredLen;\r | |
3281 | \r | |
3282 | RequiredLen = *ActualLen;\r | |
3283 | CheckTDsResults (PtrList->PtrFirstTD, RequiredLen, Result, ErrTDPos, ActualLen);\r | |
3284 | \r | |
3285 | return ;\r | |
3286 | }\r | |
3287 | \r | |
3288 | \r | |
3289 | VOID\r | |
3290 | UpdateAsyncINTQHTDs (\r | |
3291 | IN INTERRUPT_LIST *PtrList,\r | |
3292 | IN UINT32 Result,\r | |
3293 | IN UINT32 ErrTDPos\r | |
3294 | )\r | |
3295 | /*++\r | |
3296 | \r | |
3297 | Routine Description:\r | |
3298 | \r | |
3299 | Update Async Interrupt QH and TDs\r | |
3300 | \r | |
3301 | Arguments:\r | |
3302 | \r | |
3303 | PtrList - INTERRUPT_LIST\r | |
3304 | Result - Transfer reslut\r | |
3305 | ErrTDPos - Error TD Position\r | |
3306 | \r | |
3307 | Returns:\r | |
3308 | \r | |
3309 | VOID\r | |
3310 | \r | |
3311 | --*/\r | |
3312 | {\r | |
3313 | QH_STRUCT *PtrFirstQH;\r | |
3314 | QH_STRUCT *PtrQH;\r | |
3315 | TD_STRUCT *PtrFirstTD;\r | |
3316 | TD_STRUCT *PtrTD;\r | |
3317 | UINT8 DataToggle;\r | |
3318 | UINT32 Index;\r | |
3319 | \r | |
3320 | PtrFirstQH = PtrList->PtrQH;\r | |
3321 | PtrFirstTD = PtrList->PtrFirstTD;\r | |
3322 | \r | |
3323 | DataToggle = 0;\r | |
3324 | \r | |
3325 | if (Result == EFI_USB_NOERROR) {\r | |
3326 | \r | |
3327 | PtrTD = PtrFirstTD;\r | |
3328 | while (PtrTD) {\r | |
3329 | DataToggle = GetTDTokenDataToggle (PtrTD);\r | |
3330 | PtrTD = PtrTD->ptrNextTD;\r | |
3331 | }\r | |
3332 | \r | |
3333 | //\r | |
3334 | // save current DataToggle value to interrupt list.\r | |
3335 | // this value is used for tracing the interrupt endpoint DataToggle.\r | |
3336 | // when this interrupt transfer is deleted, the last DataToggle is saved\r | |
3337 | //\r | |
3338 | PtrList->DataToggle = DataToggle;\r | |
3339 | \r | |
3340 | PtrTD = PtrFirstTD;\r | |
3341 | \r | |
3342 | //\r | |
3343 | // Since DataToggle bit should toggle after each success transaction,\r | |
3344 | // the First TD's DataToggle bit will be updated to XOR of Last TD's\r | |
3345 | // DataToggle bit. If the First TD's DataToggle bit is not equal Last\r | |
3346 | // TD's DataToggle bit, that means it already be the XOR of Last TD's,\r | |
3347 | // so no update is needed.\r | |
3348 | //\r | |
3349 | if (DataToggle == GetTDTokenDataToggle (PtrFirstTD)) {\r | |
3350 | PtrTD = PtrFirstTD;\r | |
3351 | while (PtrTD) {\r | |
3352 | \r | |
3353 | DataToggle ^= 1;\r | |
3354 | if (DataToggle) {\r | |
3355 | SetTDTokenDataToggle1 (PtrTD);\r | |
3356 | } else {\r | |
3357 | SetTDTokenDataToggle0 (PtrTD);\r | |
3358 | }\r | |
3359 | \r | |
3360 | PtrTD = PtrTD->ptrNextTD;\r | |
3361 | }\r | |
3362 | }\r | |
3363 | //\r | |
3364 | // restore Link Pointer of QH to First TD\r | |
3365 | // (because QH's Link Pointer will change during TD execution)\r | |
3366 | //\r | |
3367 | PtrQH = PtrFirstQH;\r | |
3368 | while (PtrQH) {\r | |
3369 | \r | |
3370 | LinkTDToQH (PtrQH, PtrFirstTD);\r | |
3371 | PtrQH = PtrQH->ptrNextIntQH;\r | |
3372 | }\r | |
3373 | \r | |
3374 | //\r | |
3375 | // set all the TDs active\r | |
3376 | //\r | |
3377 | PtrTD = PtrFirstTD;\r | |
3378 | while (PtrTD) {\r | |
3379 | SetTDStatusActiveorInactive (PtrTD, TRUE);\r | |
3380 | PtrTD = PtrTD->ptrNextTD;\r | |
3381 | }\r | |
3382 | \r | |
3383 | } else if (((Result & EFI_USB_ERR_NOTEXECUTE) == EFI_USB_ERR_NOTEXECUTE) ||\r | |
3384 | ((Result & EFI_USB_ERR_NAK) == EFI_USB_ERR_NAK)\r | |
3385 | ) {\r | |
3386 | //\r | |
3387 | // no update\r | |
3388 | //\r | |
3389 | } else {\r | |
3390 | //\r | |
3391 | // Have Errors\r | |
3392 | //\r | |
3393 | PtrTD = PtrFirstTD;\r | |
3394 | //\r | |
3395 | // not first TD error\r | |
3396 | //\r | |
3397 | if (ErrTDPos != 0) {\r | |
3398 | //\r | |
3399 | // get the last success TD\r | |
3400 | //\r | |
3401 | for (Index = 1; Index < ErrTDPos; Index++) {\r | |
3402 | PtrTD = PtrTD->ptrNextTD;\r | |
3403 | }\r | |
3404 | //\r | |
3405 | // update Data Toggle in the interrupt list node\r | |
3406 | //\r | |
3407 | PtrList->DataToggle = GetTDTokenDataToggle (PtrTD);\r | |
3408 | \r | |
3409 | //\r | |
3410 | // get the error TD\r | |
3411 | //\r | |
3412 | PtrTD = PtrTD->ptrNextTD;\r | |
3413 | \r | |
3414 | } else {\r | |
3415 | PtrList->DataToggle = GetTDTokenDataToggle (PtrTD);\r | |
3416 | }\r | |
3417 | //\r | |
3418 | // do not restore the QH's vertical link pointer,\r | |
3419 | // let the callback function do the rest of error handling.\r | |
3420 | //\r | |
3421 | }\r | |
3422 | \r | |
3423 | return ;\r | |
3424 | }\r | |
3425 | \r | |
3426 | VOID\r | |
3427 | ReleaseInterruptList (\r | |
3428 | IN USB_HC_DEV *HcDev,\r | |
3429 | IN LIST_ENTRY *ListHead\r | |
3430 | )\r | |
3431 | /*++\r | |
3432 | \r | |
3433 | Routine Description:\r | |
3434 | \r | |
3435 | Release Interrupt List\r | |
3436 | Arguments:\r | |
3437 | \r | |
3438 | HcDev - USB_HC_DEV\r | |
3439 | ListHead - List head\r | |
3440 | \r | |
3441 | Returns:\r | |
3442 | \r | |
3443 | VOID\r | |
3444 | \r | |
3445 | --*/\r | |
3446 | {\r | |
3447 | LIST_ENTRY *Link;\r | |
3448 | LIST_ENTRY *SavedLink;\r | |
3449 | INTERRUPT_LIST *pNode;\r | |
3450 | TD_STRUCT *PtrTD;\r | |
3451 | TD_STRUCT *ptrNextTD;\r | |
3452 | QH_STRUCT *PtrQH;\r | |
3453 | QH_STRUCT *SavedQH;\r | |
3454 | \r | |
3455 | if (ListHead == NULL) {\r | |
3456 | return ;\r | |
3457 | }\r | |
3458 | \r | |
3459 | Link = ListHead;\r | |
3460 | \r | |
3461 | //\r | |
3462 | // Free all the resources in the interrupt list\r | |
3463 | //\r | |
3464 | SavedLink = Link->ForwardLink;\r | |
3465 | while (!IsListEmpty (ListHead)) {\r | |
3466 | \r | |
3467 | Link = SavedLink;\r | |
3468 | \r | |
3469 | SavedLink = Link->ForwardLink;\r | |
3470 | \r | |
3471 | pNode = INTERRUPT_LIST_FROM_LINK (Link);\r | |
3472 | \r | |
3473 | RemoveEntryList (&pNode->Link);\r | |
3474 | \r | |
3475 | SavedQH = pNode->PtrQH;\r | |
3476 | for (PtrQH = SavedQH; PtrQH != NULL; PtrQH = SavedQH) {\r | |
3477 | SavedQH = PtrQH->ptrNextIntQH;\r | |
3478 | UhciFreePool (HcDev, (UINT8 *) PtrQH, sizeof (QH_STRUCT));\r | |
3479 | }\r | |
3480 | \r | |
3481 | PtrTD = pNode->PtrFirstTD;\r | |
3482 | while (PtrTD != NULL) {\r | |
3483 | \r | |
3484 | ptrNextTD = PtrTD->ptrNextTD;\r | |
3485 | UhciFreePool (HcDev, (UINT8 *) PtrTD, sizeof (TD_STRUCT));\r | |
3486 | PtrTD = ptrNextTD;\r | |
3487 | }\r | |
3488 | \r | |
3489 | gBS->FreePool (pNode);\r | |
3490 | }\r | |
3491 | }\r | |
3492 | \r | |
3493 | \r | |
3494 | EFI_STATUS\r | |
3495 | InitializeMemoryManagement (\r | |
3496 | IN USB_HC_DEV *HcDev\r | |
3497 | )\r | |
3498 | /*++\r | |
3499 | \r | |
3500 | Routine Description:\r | |
3501 | \r | |
3502 | Initialize Memory Management\r | |
3503 | \r | |
3504 | Arguments:\r | |
3505 | \r | |
3506 | HcDev - USB_HC_DEV\r | |
3507 | \r | |
3508 | Returns:\r | |
3509 | \r | |
3510 | EFI_SUCCESS - Success\r | |
3511 | --*/\r | |
3512 | {\r | |
3513 | MEMORY_MANAGE_HEADER *MemoryHeader;\r | |
3514 | EFI_STATUS Status;\r | |
3515 | UINTN MemPages;\r | |
3516 | \r | |
3517 | MemPages = NORMAL_MEMORY_BLOCK_UNIT_IN_PAGES;\r | |
3518 | Status = CreateMemoryBlock (HcDev, &MemoryHeader, MemPages);\r | |
3519 | if (EFI_ERROR (Status)) {\r | |
3520 | return Status;\r | |
3521 | }\r | |
3522 | \r | |
3523 | HcDev->MemoryHeader = MemoryHeader;\r | |
3524 | \r | |
3525 | return EFI_SUCCESS;\r | |
3526 | }\r | |
3527 | \r | |
3528 | EFI_STATUS\r | |
3529 | CreateMemoryBlock (\r | |
3530 | IN USB_HC_DEV *HcDev,\r | |
3531 | OUT MEMORY_MANAGE_HEADER **MemoryHeader,\r | |
3532 | IN UINTN MemoryBlockSizeInPages\r | |
3533 | )\r | |
3534 | /*++\r | |
3535 | \r | |
3536 | Routine Description:\r | |
3537 | \r | |
3538 | Use PciIo->AllocateBuffer to allocate common buffer for the memory block,\r | |
3539 | and use PciIo->Map to map the common buffer for Bus Master Read/Write.\r | |
3540 | \r | |
3541 | \r | |
3542 | Arguments:\r | |
3543 | \r | |
3544 | HcDev - USB_HC_DEV\r | |
3545 | MemoryHeader - MEMORY_MANAGE_HEADER to output\r | |
3546 | MemoryBlockSizeInPages - MemoryBlockSizeInPages\r | |
3547 | Returns:\r | |
3548 | \r | |
3549 | EFI_SUCCESS - Success\r | |
3550 | --*/\r | |
3551 | {\r | |
3552 | EFI_STATUS Status;\r | |
3553 | VOID *CommonBuffer;\r | |
3554 | EFI_PHYSICAL_ADDRESS MappedAddress;\r | |
3555 | UINTN MemoryBlockSizeInBytes;\r | |
3556 | VOID *Mapping;\r | |
3557 | \r | |
3558 | //\r | |
3559 | // Allocate memory for MemoryHeader\r | |
3560 | //\r | |
3561 | *MemoryHeader = AllocateZeroPool (sizeof (MEMORY_MANAGE_HEADER));\r | |
3562 | if (*MemoryHeader == NULL) {\r | |
3563 | return EFI_OUT_OF_RESOURCES;\r | |
3564 | }\r | |
3565 | \r | |
3566 | (*MemoryHeader)->Next = NULL;\r | |
3567 | \r | |
3568 | //\r | |
3569 | // set Memory block size\r | |
3570 | //\r | |
3571 | (*MemoryHeader)->MemoryBlockSizeInBytes = EFI_PAGES_TO_SIZE (MemoryBlockSizeInPages);\r | |
3572 | \r | |
3573 | //\r | |
3574 | // each bit in Bit Array will manage 32 bytes memory in memory block\r | |
3575 | //\r | |
3576 | (*MemoryHeader)->BitArraySizeInBytes = ((*MemoryHeader)->MemoryBlockSizeInBytes / 32) / 8;\r | |
3577 | \r | |
3578 | //\r | |
3579 | // Allocate memory for BitArray\r | |
3580 | //\r | |
3581 | (*MemoryHeader)->BitArrayPtr = AllocateZeroPool ((*MemoryHeader)->BitArraySizeInBytes);\r | |
3582 | if ((*MemoryHeader)->BitArrayPtr == NULL) {\r | |
3583 | gBS->FreePool (*MemoryHeader);\r | |
3584 | return EFI_OUT_OF_RESOURCES;\r | |
3585 | }\r | |
3586 | \r | |
3587 | //\r | |
3588 | // Memory Block uses MemoryBlockSizeInPages pages,\r | |
3589 | // and it is allocated as common buffer use.\r | |
3590 | //\r | |
3591 | Status = HcDev->PciIo->AllocateBuffer (\r | |
3592 | HcDev->PciIo,\r | |
3593 | AllocateAnyPages,\r | |
3594 | EfiBootServicesData,\r | |
3595 | MemoryBlockSizeInPages,\r | |
3596 | &CommonBuffer,\r | |
3597 | 0\r | |
3598 | );\r | |
3599 | if (EFI_ERROR (Status)) {\r | |
3600 | gBS->FreePool ((*MemoryHeader)->BitArrayPtr);\r | |
3601 | gBS->FreePool (*MemoryHeader);\r | |
3602 | return Status;\r | |
3603 | }\r | |
3604 | \r | |
3605 | MemoryBlockSizeInBytes = EFI_PAGES_TO_SIZE (MemoryBlockSizeInPages);\r | |
3606 | Status = HcDev->PciIo->Map (\r | |
3607 | HcDev->PciIo,\r | |
3608 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
3609 | CommonBuffer,\r | |
3610 | &MemoryBlockSizeInBytes,\r | |
3611 | &MappedAddress,\r | |
3612 | &Mapping\r | |
3613 | );\r | |
3614 | //\r | |
3615 | // if returned Mapped size is less than the size we request,do not support.\r | |
3616 | //\r | |
3617 | if (EFI_ERROR (Status) || (MemoryBlockSizeInBytes != EFI_PAGES_TO_SIZE (MemoryBlockSizeInPages))) {\r | |
3618 | HcDev->PciIo->FreeBuffer (HcDev->PciIo, MemoryBlockSizeInPages, CommonBuffer);\r | |
3619 | gBS->FreePool ((*MemoryHeader)->BitArrayPtr);\r | |
3620 | gBS->FreePool (*MemoryHeader);\r | |
3621 | return EFI_UNSUPPORTED;\r | |
3622 | }\r | |
3623 | //\r | |
3624 | // Set Memory block initial address\r | |
3625 | //\r | |
3626 | (*MemoryHeader)->MemoryBlockPtr = (UINT8 *) ((UINTN) MappedAddress);\r | |
3627 | (*MemoryHeader)->Mapping = Mapping;\r | |
3628 | \r | |
3629 | ZeroMem (\r | |
3630 | (*MemoryHeader)->MemoryBlockPtr,\r | |
3631 | EFI_PAGES_TO_SIZE (MemoryBlockSizeInPages)\r | |
3632 | );\r | |
3633 | \r | |
3634 | return EFI_SUCCESS;\r | |
3635 | }\r | |
3636 | \r | |
3637 | EFI_STATUS\r | |
3638 | FreeMemoryHeader (\r | |
3639 | IN USB_HC_DEV *HcDev,\r | |
3640 | IN MEMORY_MANAGE_HEADER *MemoryHeader\r | |
3641 | )\r | |
3642 | /*++\r | |
3643 | \r | |
3644 | Routine Description:\r | |
3645 | \r | |
3646 | Free Memory Header\r | |
3647 | \r | |
3648 | Arguments:\r | |
3649 | \r | |
3650 | HcDev - USB_HC_DEV\r | |
3651 | MemoryHeader - MemoryHeader to be freed\r | |
3652 | \r | |
3653 | Returns:\r | |
3654 | \r | |
3655 | EFI_INVALID_PARAMETER - Parameter is error\r | |
3656 | EFI_SUCCESS - Success\r | |
3657 | \r | |
3658 | --*/\r | |
3659 | {\r | |
3660 | if ((MemoryHeader == NULL) || (HcDev == NULL)) {\r | |
3661 | return EFI_INVALID_PARAMETER;\r | |
3662 | }\r | |
3663 | //\r | |
3664 | // unmap the common buffer used by the memory block\r | |
3665 | //\r | |
3666 | HcDev->PciIo->Unmap (HcDev->PciIo, MemoryHeader->Mapping);\r | |
3667 | \r | |
3668 | //\r | |
3669 | // free common buffer\r | |
3670 | //\r | |
3671 | HcDev->PciIo->FreeBuffer (\r | |
3672 | HcDev->PciIo,\r | |
3673 | EFI_SIZE_TO_PAGES (MemoryHeader->MemoryBlockSizeInBytes),\r | |
3674 | MemoryHeader->MemoryBlockPtr\r | |
3675 | );\r | |
3676 | //\r | |
3677 | // free bit array\r | |
3678 | //\r | |
3679 | gBS->FreePool (MemoryHeader->BitArrayPtr);\r | |
3680 | //\r | |
3681 | // free memory header\r | |
3682 | //\r | |
3683 | gBS->FreePool (MemoryHeader);\r | |
3684 | \r | |
3685 | return EFI_SUCCESS;\r | |
3686 | }\r | |
3687 | \r | |
3688 | EFI_STATUS\r | |
3689 | UhciAllocatePool (\r | |
3690 | IN USB_HC_DEV *HcDev,\r | |
3691 | OUT UINT8 **Pool,\r | |
3692 | IN UINTN AllocSize\r | |
3693 | )\r | |
3694 | /*++\r | |
3695 | \r | |
3696 | Routine Description:\r | |
3697 | \r | |
3698 | Uhci Allocate Pool\r | |
3699 | \r | |
3700 | Arguments:\r | |
3701 | \r | |
3702 | HcDev - USB_HC_DEV\r | |
3703 | Pool - Place to store pointer to the memory buffer\r | |
3704 | AllocSize - Alloc Size\r | |
3705 | \r | |
3706 | Returns:\r | |
3707 | \r | |
3708 | EFI_SUCCESS - Success\r | |
3709 | \r | |
3710 | --*/\r | |
3711 | {\r | |
3712 | MEMORY_MANAGE_HEADER *MemoryHeader;\r | |
3713 | MEMORY_MANAGE_HEADER *TempHeaderPtr;\r | |
3714 | MEMORY_MANAGE_HEADER *NewMemoryHeader;\r | |
3715 | UINTN RealAllocSize;\r | |
3716 | UINTN MemoryBlockSizeInPages;\r | |
3717 | EFI_STATUS Status;\r | |
3718 | \r | |
3719 | *Pool = NULL;\r | |
3720 | \r | |
3721 | MemoryHeader = HcDev->MemoryHeader;\r | |
3722 | ASSERT (MemoryHeader != NULL);\r | |
3723 | \r | |
3724 | //\r | |
3725 | // allocate unit is 32 bytes (align on 32 byte)\r | |
3726 | //\r | |
3727 | if (AllocSize & 0x1F) {\r | |
3728 | RealAllocSize = (AllocSize / 32 + 1) * 32;\r | |
3729 | } else {\r | |
3730 | RealAllocSize = AllocSize;\r | |
3731 | }\r | |
3732 | \r | |
3733 | //\r | |
3734 | // There may be linked MemoryHeaders.\r | |
3735 | // To allocate a free pool in Memory blocks,\r | |
3736 | // must search in the MemoryHeader link list\r | |
3737 | // until enough free pool is found.\r | |
3738 | //\r | |
3739 | Status = EFI_NOT_FOUND;\r | |
3740 | for (TempHeaderPtr = MemoryHeader; TempHeaderPtr != NULL;\r | |
3741 | TempHeaderPtr = TempHeaderPtr->Next) {\r | |
3742 | \r | |
3743 | Status = AllocMemInMemoryBlock (\r | |
3744 | TempHeaderPtr,\r | |
3745 | (VOID **) Pool,\r | |
3746 | RealAllocSize / 32\r | |
3747 | );\r | |
3748 | if (!EFI_ERROR (Status)) {\r | |
3749 | ZeroMem (*Pool, AllocSize);\r | |
3750 | return EFI_SUCCESS;\r | |
3751 | }\r | |
3752 | }\r | |
3753 | \r | |
3754 | //\r | |
3755 | // There is no enough memory,\r | |
3756 | // Create a new Memory Block\r | |
3757 | //\r | |
3758 | \r | |
3759 | //\r | |
3760 | // if pool size is larger than NORMAL_MEMORY_BLOCK_UNIT_IN_PAGES,\r | |
3761 | // just allocate a large enough memory block.\r | |
3762 | //\r | |
3763 | if (RealAllocSize > EFI_PAGES_TO_SIZE (NORMAL_MEMORY_BLOCK_UNIT_IN_PAGES)) {\r | |
3764 | MemoryBlockSizeInPages = EFI_SIZE_TO_PAGES (RealAllocSize) + 1;\r | |
3765 | } else {\r | |
3766 | MemoryBlockSizeInPages = NORMAL_MEMORY_BLOCK_UNIT_IN_PAGES;\r | |
3767 | }\r | |
3768 | \r | |
3769 | Status = CreateMemoryBlock (HcDev, &NewMemoryHeader, MemoryBlockSizeInPages);\r | |
3770 | if (EFI_ERROR (Status)) {\r | |
3771 | return Status;\r | |
3772 | }\r | |
3773 | \r | |
3774 | //\r | |
3775 | // Link the new Memory Block to the Memory Header list\r | |
3776 | //\r | |
3777 | InsertMemoryHeaderToList (MemoryHeader, NewMemoryHeader);\r | |
3778 | \r | |
3779 | Status = AllocMemInMemoryBlock (\r | |
3780 | NewMemoryHeader,\r | |
3781 | (VOID **) Pool,\r | |
3782 | RealAllocSize / 32\r | |
3783 | );\r | |
3784 | \r | |
3785 | if (!EFI_ERROR (Status)) {\r | |
3786 | ZeroMem (*Pool, AllocSize);\r | |
3787 | }\r | |
3788 | \r | |
3789 | return Status;\r | |
3790 | }\r | |
3791 | \r | |
3792 | VOID\r | |
3793 | UhciFreePool (\r | |
3794 | IN USB_HC_DEV *HcDev,\r | |
3795 | IN UINT8 *Pool,\r | |
3796 | IN UINTN AllocSize\r | |
3797 | )\r | |
3798 | /*++\r | |
3799 | \r | |
3800 | Routine Description:\r | |
3801 | \r | |
3802 | Uhci Free Pool\r | |
3803 | \r | |
3804 | Arguments:\r | |
3805 | \r | |
3806 | HcDev - USB_HC_DEV\r | |
3807 | Pool - Pool to free\r | |
3808 | AllocSize - Pool size\r | |
3809 | \r | |
3810 | Returns:\r | |
3811 | \r | |
3812 | VOID\r | |
3813 | \r | |
3814 | --*/\r | |
3815 | {\r | |
3816 | MEMORY_MANAGE_HEADER *MemoryHeader;\r | |
3817 | MEMORY_MANAGE_HEADER *TempHeaderPtr;\r | |
3818 | UINTN StartBytePos;\r | |
3819 | UINTN Index;\r | |
3820 | UINT8 StartBitPos;\r | |
3821 | UINT8 Index2;\r | |
3822 | UINTN Count;\r | |
3823 | UINTN RealAllocSize;\r | |
3824 | \r | |
3825 | MemoryHeader = HcDev->MemoryHeader;\r | |
3826 | \r | |
3827 | //\r | |
3828 | // allocate unit is 32 byte (align on 32 byte)\r | |
3829 | //\r | |
3830 | if (AllocSize & 0x1F) {\r | |
3831 | RealAllocSize = (AllocSize / 32 + 1) * 32;\r | |
3832 | } else {\r | |
3833 | RealAllocSize = AllocSize;\r | |
3834 | }\r | |
3835 | //\r | |
3836 | // scan the memory header linked list for\r | |
3837 | // the asigned memory to free.\r | |
3838 | //\r | |
3839 | for (TempHeaderPtr = MemoryHeader;TempHeaderPtr != NULL;\r | |
3840 | TempHeaderPtr = TempHeaderPtr->Next) {\r | |
3841 | \r | |
3842 | if ((Pool >= TempHeaderPtr->MemoryBlockPtr) &&\r | |
3843 | ((Pool + RealAllocSize) <= (TempHeaderPtr->MemoryBlockPtr + TempHeaderPtr->MemoryBlockSizeInBytes))\r | |
3844 | ) {\r | |
3845 | //\r | |
3846 | // Pool is in the Memory Block area,\r | |
3847 | // find the start byte and bit in the bit array\r | |
3848 | //\r | |
3849 | StartBytePos = ((Pool - TempHeaderPtr->MemoryBlockPtr) / 32) / 8;\r | |
3850 | StartBitPos = (UINT8) (((Pool - TempHeaderPtr->MemoryBlockPtr) / 32) & 0x7);\r | |
3851 | \r | |
3852 | //\r | |
3853 | // reset associated bits in bit arry\r | |
3854 | //\r | |
3855 | for (Index = StartBytePos, Index2 = StartBitPos, Count = 0; Count < (RealAllocSize / 32); Count++) {\r | |
3856 | \r | |
3857 | TempHeaderPtr->BitArrayPtr[Index] ^= (UINT8) (bit (Index2));\r | |
3858 | Index2++;\r | |
3859 | if (Index2 == 8) {\r | |
3860 | Index += 1;\r | |
3861 | Index2 = 0;\r | |
3862 | }\r | |
3863 | }\r | |
3864 | //\r | |
3865 | // break the loop\r | |
3866 | //\r | |
3867 | break;\r | |
3868 | }\r | |
3869 | }\r | |
3870 | \r | |
3871 | //\r | |
3872 | // Release emptied memory blocks (only if the memory block is not\r | |
3873 | // the first one in the memory header list\r | |
3874 | //\r | |
3875 | for (TempHeaderPtr = MemoryHeader->Next; TempHeaderPtr != NULL;) {\r | |
3876 | //\r | |
3877 | // Debug\r | |
3878 | //\r | |
3879 | ASSERT (MemoryHeader->Next != NULL);\r | |
3880 | \r | |
3881 | if (IsMemoryBlockEmptied (TempHeaderPtr)) {\r | |
3882 | \r | |
3883 | DelinkMemoryBlock (MemoryHeader, TempHeaderPtr);\r | |
3884 | //\r | |
3885 | // when the TempHeaderPtr is freed in FreeMemoryHeader(),\r | |
3886 | // the TempHeaderPtr is pointing to nonsense content.\r | |
3887 | //\r | |
3888 | FreeMemoryHeader (HcDev, TempHeaderPtr);\r | |
3889 | //\r | |
3890 | // reset the TempHeaderPtr, continue search for\r | |
3891 | // another empty memory block.\r | |
3892 | //\r | |
3893 | TempHeaderPtr = MemoryHeader->Next;\r | |
3894 | continue;\r | |
3895 | }\r | |
3896 | \r | |
3897 | TempHeaderPtr = TempHeaderPtr->Next;\r | |
3898 | }\r | |
3899 | }\r | |
3900 | \r | |
3901 | VOID\r | |
3902 | InsertMemoryHeaderToList (\r | |
3903 | IN MEMORY_MANAGE_HEADER *MemoryHeader,\r | |
3904 | IN MEMORY_MANAGE_HEADER *NewMemoryHeader\r | |
3905 | )\r | |
3906 | /*++\r | |
3907 | \r | |
3908 | Routine Description:\r | |
3909 | \r | |
3910 | Insert Memory Header To List\r | |
3911 | \r | |
3912 | Arguments:\r | |
3913 | \r | |
3914 | MemoryHeader - MEMORY_MANAGE_HEADER\r | |
3915 | NewMemoryHeader - MEMORY_MANAGE_HEADER\r | |
3916 | \r | |
3917 | Returns:\r | |
3918 | \r | |
3919 | VOID\r | |
3920 | \r | |
3921 | --*/\r | |
3922 | {\r | |
3923 | MEMORY_MANAGE_HEADER *TempHeaderPtr;\r | |
3924 | \r | |
3925 | for (TempHeaderPtr = MemoryHeader; TempHeaderPtr != NULL;\r | |
3926 | TempHeaderPtr = TempHeaderPtr->Next) {\r | |
3927 | if (TempHeaderPtr->Next == NULL) {\r | |
3928 | TempHeaderPtr->Next = NewMemoryHeader;\r | |
3929 | break;\r | |
3930 | }\r | |
3931 | }\r | |
3932 | }\r | |
3933 | \r | |
3934 | EFI_STATUS\r | |
3935 | AllocMemInMemoryBlock (\r | |
3936 | IN MEMORY_MANAGE_HEADER *MemoryHeader,\r | |
3937 | OUT VOID **Pool,\r | |
3938 | IN UINTN NumberOfMemoryUnit\r | |
3939 | )\r | |
3940 | /*++\r | |
3941 | \r | |
3942 | Routine Description:\r | |
3943 | \r | |
3944 | Alloc Memory In MemoryBlock\r | |
3945 | \r | |
3946 | Arguments:\r | |
3947 | \r | |
3948 | MemoryHeader - MEMORY_MANAGE_HEADER\r | |
3949 | Pool - Place to store pointer to memory\r | |
3950 | NumberOfMemoryUnit - Number Of Memory Unit\r | |
3951 | \r | |
3952 | Returns:\r | |
3953 | \r | |
3954 | EFI_NOT_FOUND - Can't find the free memory \r | |
3955 | EFI_SUCCESS - Success\r | |
3956 | \r | |
3957 | --*/\r | |
3958 | {\r | |
3959 | UINTN TempBytePos;\r | |
3960 | UINTN FoundBytePos;\r | |
3961 | UINT8 Index;\r | |
3962 | UINT8 FoundBitPos;\r | |
3963 | UINT8 ByteValue;\r | |
3964 | UINT8 BitValue;\r | |
3965 | UINTN NumberOfZeros;\r | |
3966 | UINTN Count;\r | |
3967 | \r | |
3968 | FoundBytePos = 0;\r | |
3969 | FoundBitPos = 0;\r | |
3970 | ByteValue = MemoryHeader->BitArrayPtr[0];\r | |
3971 | NumberOfZeros = 0;\r | |
3972 | Index = 0;\r | |
3973 | \r | |
3974 | for (TempBytePos = 0; TempBytePos < MemoryHeader->BitArraySizeInBytes;) {\r | |
3975 | \r | |
3976 | //\r | |
3977 | // Pop out BitValue from a byte in TempBytePos.\r | |
3978 | //\r | |
3979 | BitValue = (UINT8) (ByteValue & 0x1);\r | |
3980 | //\r | |
3981 | // right shift the byte\r | |
3982 | //\r | |
3983 | ByteValue /= 2;\r | |
3984 | \r | |
3985 | if (BitValue == 0) {\r | |
3986 | //\r | |
3987 | // Found a free bit, the NumberOfZeros only record the number\r | |
3988 | // of those consecutive zeros\r | |
3989 | //\r | |
3990 | NumberOfZeros++;\r | |
3991 | //\r | |
3992 | // Found enough consecutive free space, break the loop\r | |
3993 | //\r | |
3994 | if (NumberOfZeros >= NumberOfMemoryUnit) {\r | |
3995 | break;\r | |
3996 | }\r | |
3997 | } else {\r | |
3998 | //\r | |
3999 | // Encountering a '1', meant the bit is ocupied.\r | |
4000 | //\r | |
4001 | if (NumberOfZeros >= NumberOfMemoryUnit) {\r | |
4002 | //\r | |
4003 | // Found enough consecutive free space,break the loop\r | |
4004 | //\r | |
4005 | break;\r | |
4006 | } else {\r | |
4007 | //\r | |
4008 | // the NumberOfZeros only record the number of those consecutive zeros,\r | |
4009 | // so reset the NumberOfZeros to 0 when encountering '1' before finding\r | |
4010 | // enough consecutive '0's\r | |
4011 | //\r | |
4012 | NumberOfZeros = 0;\r | |
4013 | //\r | |
4014 | // reset the (FoundBytePos,FoundBitPos) to the position of '1'\r | |
4015 | //\r | |
4016 | FoundBytePos = TempBytePos;\r | |
4017 | FoundBitPos = Index;\r | |
4018 | }\r | |
4019 | }\r | |
4020 | //\r | |
4021 | // step forward a bit\r | |
4022 | //\r | |
4023 | Index++;\r | |
4024 | if (Index == 8) {\r | |
4025 | //\r | |
4026 | // step forward a byte, getting the byte value,\r | |
4027 | // and reset the bit pos.\r | |
4028 | //\r | |
4029 | TempBytePos += 1;\r | |
4030 | ByteValue = MemoryHeader->BitArrayPtr[TempBytePos];\r | |
4031 | Index = 0;\r | |
4032 | }\r | |
4033 | }\r | |
4034 | \r | |
4035 | if (NumberOfZeros < NumberOfMemoryUnit) {\r | |
4036 | return EFI_NOT_FOUND;\r | |
4037 | }\r | |
4038 | \r | |
4039 | //\r | |
4040 | // Found enough free space.\r | |
4041 | //\r | |
4042 | \r | |
4043 | //\r | |
4044 | // The values recorded in (FoundBytePos,FoundBitPos) have two conditions:\r | |
4045 | // 1)(FoundBytePos,FoundBitPos) record the position\r | |
4046 | // of the last '1' before the consecutive '0's, it must\r | |
4047 | // be adjusted to the start position of the consecutive '0's.\r | |
4048 | // 2)the start address of the consecutive '0's is just the start of\r | |
4049 | // the bitarray. so no need to adjust the values of\r | |
4050 | // (FoundBytePos,FoundBitPos).\r | |
4051 | //\r | |
4052 | if ((MemoryHeader->BitArrayPtr[0] & bit (0)) != 0) {\r | |
4053 | FoundBitPos += 1;\r | |
4054 | }\r | |
4055 | \r | |
4056 | //\r | |
4057 | // Have the (FoundBytePos,FoundBitPos) make sense.\r | |
4058 | //\r | |
4059 | if (FoundBitPos > 7) {\r | |
4060 | FoundBytePos += 1;\r | |
4061 | FoundBitPos -= 8;\r | |
4062 | }\r | |
4063 | \r | |
4064 | //\r | |
4065 | // Set the memory as allocated\r | |
4066 | //\r | |
4067 | for (TempBytePos = FoundBytePos, Index = FoundBitPos,Count = 0;\r | |
4068 | Count < NumberOfMemoryUnit; Count ++) {\r | |
4069 | \r | |
4070 | MemoryHeader->BitArrayPtr[TempBytePos] |= bit (Index);\r | |
4071 | Index++;\r | |
4072 | if (Index == 8) {\r | |
4073 | TempBytePos += 1;\r | |
4074 | Index = 0;\r | |
4075 | }\r | |
4076 | }\r | |
4077 | \r | |
4078 | *Pool = MemoryHeader->MemoryBlockPtr + (FoundBytePos * 8 + FoundBitPos) * 32;\r | |
4079 | \r | |
4080 | return EFI_SUCCESS;\r | |
4081 | }\r | |
4082 | \r | |
4083 | BOOLEAN\r | |
4084 | IsMemoryBlockEmptied (\r | |
4085 | IN MEMORY_MANAGE_HEADER *MemoryHeaderPtr\r | |
4086 | )\r | |
4087 | /*++\r | |
4088 | \r | |
4089 | Routine Description:\r | |
4090 | \r | |
4091 | Is Memory Block Emptied\r | |
4092 | \r | |
4093 | Arguments:\r | |
4094 | \r | |
4095 | MemoryHeaderPtr - MEMORY_MANAGE_HEADER\r | |
4096 | \r | |
4097 | Returns:\r | |
4098 | \r | |
4099 | TRUE - Empty\r | |
4100 | FALSE - Not Empty \r | |
4101 | \r | |
4102 | --*/\r | |
4103 | {\r | |
4104 | UINTN Index;\r | |
4105 | \r | |
4106 | for (Index = 0; Index < MemoryHeaderPtr->BitArraySizeInBytes; Index++) {\r | |
4107 | if (MemoryHeaderPtr->BitArrayPtr[Index] != 0) {\r | |
4108 | return FALSE;\r | |
4109 | }\r | |
4110 | }\r | |
4111 | \r | |
4112 | return TRUE;\r | |
4113 | }\r | |
4114 | \r | |
4115 | VOID\r | |
4116 | DelinkMemoryBlock (\r | |
4117 | IN MEMORY_MANAGE_HEADER *FirstMemoryHeader,\r | |
4118 | IN MEMORY_MANAGE_HEADER *NeedFreeMemoryHeader\r | |
4119 | )\r | |
4120 | /*++\r | |
4121 | \r | |
4122 | Routine Description:\r | |
4123 | \r | |
4124 | Delink Memory Block\r | |
4125 | \r | |
4126 | Arguments:\r | |
4127 | \r | |
4128 | FirstMemoryHeader - MEMORY_MANAGE_HEADER\r | |
4129 | NeedFreeMemoryHeader - MEMORY_MANAGE_HEADER\r | |
4130 | \r | |
4131 | Returns:\r | |
4132 | \r | |
4133 | VOID\r | |
4134 | \r | |
4135 | --*/\r | |
4136 | {\r | |
4137 | MEMORY_MANAGE_HEADER *TempHeaderPtr;\r | |
4138 | \r | |
4139 | if ((FirstMemoryHeader == NULL) || (NeedFreeMemoryHeader == NULL)) {\r | |
4140 | return ;\r | |
4141 | }\r | |
4142 | for (TempHeaderPtr = FirstMemoryHeader; TempHeaderPtr != NULL;\r | |
4143 | TempHeaderPtr = TempHeaderPtr->Next) {\r | |
4144 | \r | |
4145 | if (TempHeaderPtr->Next == NeedFreeMemoryHeader) {\r | |
4146 | //\r | |
4147 | // Link the before and after\r | |
4148 | //\r | |
4149 | TempHeaderPtr->Next = NeedFreeMemoryHeader->Next;\r | |
4150 | break;\r | |
4151 | }\r | |
4152 | }\r | |
4153 | }\r | |
4154 | \r | |
4155 | EFI_STATUS\r | |
4156 | DelMemoryManagement (\r | |
4157 | IN USB_HC_DEV *HcDev\r | |
4158 | )\r | |
4159 | /*++\r | |
4160 | \r | |
4161 | Routine Description:\r | |
4162 | \r | |
4163 | Delete Memory Management\r | |
4164 | \r | |
4165 | Arguments:\r | |
4166 | \r | |
4167 | HcDev - USB_HC_DEV\r | |
4168 | \r | |
4169 | Returns:\r | |
4170 | \r | |
4171 | EFI_SUCCESS - Success\r | |
4172 | \r | |
4173 | --*/\r | |
4174 | {\r | |
4175 | MEMORY_MANAGE_HEADER *TempHeaderPtr;\r | |
4176 | \r | |
4177 | for (TempHeaderPtr = HcDev->MemoryHeader->Next; TempHeaderPtr != NULL;) {\r | |
4178 | \r | |
4179 | DelinkMemoryBlock (HcDev->MemoryHeader, TempHeaderPtr);\r | |
4180 | //\r | |
4181 | // when the TempHeaderPtr is freed in FreeMemoryHeader(),\r | |
4182 | // the TempHeaderPtr is pointing to nonsense content.\r | |
4183 | //\r | |
4184 | FreeMemoryHeader (HcDev, TempHeaderPtr);\r | |
4185 | //\r | |
4186 | // reset the TempHeaderPtr,continue free another memory block.\r | |
4187 | //\r | |
4188 | TempHeaderPtr = HcDev->MemoryHeader->Next;\r | |
4189 | }\r | |
4190 | \r | |
4191 | FreeMemoryHeader (HcDev, HcDev->MemoryHeader);\r | |
4192 | \r | |
4193 | return EFI_SUCCESS;\r | |
4194 | }\r | |
4195 | \r | |
4196 | \r | |
4197 | VOID\r | |
4198 | CleanUsbTransactions (\r | |
4199 | IN USB_HC_DEV *HcDev\r | |
4200 | )\r | |
4201 | {\r | |
4202 | //\r | |
4203 | // only asynchronous interrupt transfers are always alive on the bus\r | |
4204 | //\r | |
4205 | ReleaseInterruptList (HcDev, &(HcDev->InterruptListHead));\r | |
4206 | }\r | |
4207 | \r | |
4208 | VOID\r | |
4209 | TurnOffUSBEmulation (\r | |
4210 | IN EFI_PCI_IO_PROTOCOL *PciIo\r | |
4211 | )\r | |
4212 | /*++\r | |
4213 | \r | |
4214 | Routine Description:\r | |
4215 | Disable USB Emulation\r | |
4216 | Arguments:\r | |
4217 | PciIo - EFI_PCI_IO_PROTOCOL\r | |
4218 | Returns:\r | |
4219 | VOID\r | |
4220 | --*/\r | |
4221 | {\r | |
4222 | UINT16 Command;\r | |
4223 | \r | |
4224 | //\r | |
4225 | // Disable USB Emulation\r | |
4226 | //\r | |
4227 | Command = 0;\r | |
4228 | PciIo->Pci.Write (\r | |
4229 | PciIo,\r | |
4230 | EfiPciIoWidthUint16,\r | |
4231 | USB_EMULATION,\r | |
4232 | 1,\r | |
4233 | &Command\r | |
4234 | );\r | |
4235 | \r | |
4236 | return ;\r | |
4237 | }\r |