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913cb9dc | 1 | /** @file\r |
2 | \r | |
ab6495ea | 3 | The UHCI register operation routines.\r |
4 | \r | |
cd5ebaa0 HT |
5 | Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r |
6 | This program and the accompanying materials\r | |
913cb9dc | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
913cb9dc | 14 | **/\r |
15 | \r | |
16 | #include "Uhci.h"\r | |
17 | \r | |
18 | \r | |
19 | /**\r | |
ab6495ea | 20 | Map address of request structure buffer.\r |
913cb9dc | 21 | \r |
ab6495ea | 22 | @param Uhc The UHCI device.\r |
23 | @param Request The user request buffer.\r | |
24 | @param MappedAddr Mapped address of request.\r | |
25 | @param Map Identificaion of this mapping to return.\r | |
913cb9dc | 26 | \r |
ab6495ea | 27 | @return EFI_SUCCESS Success.\r |
28 | @return EFI_DEVICE_ERROR Fail to map the user request.\r | |
913cb9dc | 29 | \r |
30 | **/\r | |
31 | EFI_STATUS\r | |
32 | UhciMapUserRequest (\r | |
33 | IN USB_HC_DEV *Uhc,\r | |
34 | IN OUT VOID *Request,\r | |
35 | OUT UINT8 **MappedAddr,\r | |
36 | OUT VOID **Map\r | |
37 | )\r | |
38 | {\r | |
39 | EFI_STATUS Status;\r | |
40 | UINTN Len;\r | |
41 | EFI_PHYSICAL_ADDRESS PhyAddr;\r | |
42 | \r | |
43 | Len = sizeof (EFI_USB_DEVICE_REQUEST);\r | |
44 | Status = Uhc->PciIo->Map (\r | |
45 | Uhc->PciIo,\r | |
46 | EfiPciIoOperationBusMasterRead,\r | |
47 | Request,\r | |
48 | &Len,\r | |
49 | &PhyAddr,\r | |
50 | Map\r | |
51 | );\r | |
52 | \r | |
53 | if (!EFI_ERROR (Status)) {\r | |
54 | *MappedAddr = (UINT8 *) (UINTN) PhyAddr;\r | |
55 | }\r | |
56 | \r | |
57 | return Status;\r | |
58 | }\r | |
59 | \r | |
60 | \r | |
61 | /**\r | |
ab6495ea | 62 | Map address of user data buffer.\r |
913cb9dc | 63 | \r |
ab6495ea | 64 | @param Uhc The UHCI device.\r |
65 | @param Direction Direction of the data transfer.\r | |
66 | @param Data The user data buffer.\r | |
67 | @param Len Length of the user data.\r | |
68 | @param PktId Packet identificaion.\r | |
69 | @param MappedAddr Mapped address to return.\r | |
70 | @param Map Identificaion of this mapping to return.\r | |
913cb9dc | 71 | \r |
ab6495ea | 72 | @return EFI_SUCCESS Success.\r |
73 | @return EFI_DEVICE_ERROR Fail to map the user data.\r | |
913cb9dc | 74 | \r |
75 | **/\r | |
76 | EFI_STATUS\r | |
77 | UhciMapUserData (\r | |
78 | IN USB_HC_DEV *Uhc,\r | |
79 | IN EFI_USB_DATA_DIRECTION Direction,\r | |
80 | IN VOID *Data,\r | |
81 | IN OUT UINTN *Len,\r | |
82 | OUT UINT8 *PktId,\r | |
83 | OUT UINT8 **MappedAddr,\r | |
84 | OUT VOID **Map\r | |
85 | )\r | |
86 | {\r | |
87 | EFI_STATUS Status;\r | |
88 | EFI_PHYSICAL_ADDRESS PhyAddr;\r | |
89 | \r | |
90 | Status = EFI_SUCCESS;\r | |
91 | \r | |
92 | switch (Direction) {\r | |
93 | case EfiUsbDataIn:\r | |
94 | //\r | |
95 | // BusMasterWrite means cpu read\r | |
96 | //\r | |
97 | *PktId = INPUT_PACKET_ID;\r | |
98 | Status = Uhc->PciIo->Map (\r | |
99 | Uhc->PciIo,\r | |
100 | EfiPciIoOperationBusMasterWrite,\r | |
101 | Data,\r | |
102 | Len,\r | |
103 | &PhyAddr,\r | |
104 | Map\r | |
105 | );\r | |
106 | \r | |
107 | if (EFI_ERROR (Status)) {\r | |
108 | goto EXIT;\r | |
109 | }\r | |
110 | \r | |
111 | *MappedAddr = (UINT8 *) (UINTN) PhyAddr;\r | |
112 | break;\r | |
113 | \r | |
114 | case EfiUsbDataOut:\r | |
115 | *PktId = OUTPUT_PACKET_ID;\r | |
116 | Status = Uhc->PciIo->Map (\r | |
117 | Uhc->PciIo,\r | |
118 | EfiPciIoOperationBusMasterRead,\r | |
119 | Data,\r | |
120 | Len,\r | |
121 | &PhyAddr,\r | |
122 | Map\r | |
123 | );\r | |
124 | \r | |
125 | if (EFI_ERROR (Status)) {\r | |
126 | goto EXIT;\r | |
127 | }\r | |
128 | \r | |
129 | *MappedAddr = (UINT8 *) (UINTN) PhyAddr;\r | |
130 | break;\r | |
131 | \r | |
132 | case EfiUsbNoData:\r | |
133 | if ((Len != NULL) && (*Len != 0)) {\r | |
134 | Status = EFI_INVALID_PARAMETER;\r | |
135 | goto EXIT;\r | |
136 | }\r | |
137 | \r | |
138 | *PktId = OUTPUT_PACKET_ID;\r | |
913cb9dc | 139 | *MappedAddr = NULL;\r |
140 | *Map = NULL;\r | |
141 | break;\r | |
142 | \r | |
143 | default:\r | |
144 | Status = EFI_INVALID_PARAMETER;\r | |
145 | }\r | |
146 | \r | |
147 | EXIT:\r | |
148 | return Status;\r | |
149 | }\r | |
150 | \r | |
151 | \r | |
913cb9dc | 152 | /**\r |
ab6495ea | 153 | Link the TD To QH.\r |
913cb9dc | 154 | \r |
3af875e2 | 155 | @param Uhc The UHCI device.\r |
ab6495ea | 156 | @param Qh The queue head for the TD to link to.\r |
157 | @param Td The TD to link.\r | |
913cb9dc | 158 | \r |
913cb9dc | 159 | **/\r |
160 | VOID\r | |
161 | UhciLinkTdToQh (\r | |
3af875e2 | 162 | IN USB_HC_DEV *Uhc,\r |
913cb9dc | 163 | IN UHCI_QH_SW *Qh,\r |
164 | IN UHCI_TD_SW *Td\r | |
165 | )\r | |
166 | {\r | |
3af875e2 | 167 | EFI_PHYSICAL_ADDRESS PhyAddr;\r |
3af875e2 | 168 | \r |
aa91de05 | 169 | PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Td, sizeof (UHCI_TD_HW));\r |
3af875e2 | 170 | \r |
aa91de05 | 171 | ASSERT ((Qh != NULL) && (Td != NULL));\r |
913cb9dc | 172 | \r |
3af875e2 | 173 | Qh->QhHw.VerticalLink = QH_VLINK (PhyAddr, FALSE);\r |
913cb9dc | 174 | Qh->TDs = (VOID *) Td;\r |
175 | }\r | |
176 | \r | |
177 | \r | |
178 | /**\r | |
ab6495ea | 179 | Unlink TD from the QH.\r |
913cb9dc | 180 | \r |
ab6495ea | 181 | @param Qh The queue head to unlink from.\r |
182 | @param Td The TD to unlink.\r | |
913cb9dc | 183 | \r |
913cb9dc | 184 | **/\r |
185 | VOID\r | |
186 | UhciUnlinkTdFromQh (\r | |
187 | IN UHCI_QH_SW *Qh,\r | |
188 | IN UHCI_TD_SW *Td\r | |
189 | )\r | |
190 | {\r | |
191 | ASSERT ((Qh != NULL) && (Td != NULL));\r | |
192 | \r | |
193 | Qh->QhHw.VerticalLink = QH_VLINK (NULL, TRUE);\r | |
194 | Qh->TDs = NULL;\r | |
195 | }\r | |
196 | \r | |
197 | \r | |
198 | /**\r | |
ab6495ea | 199 | Append a new TD To the previous TD.\r |
913cb9dc | 200 | \r |
3af875e2 | 201 | @param Uhc The UHCI device.\r |
ab6495ea | 202 | @param PrevTd Previous UHCI_TD_SW to be linked to.\r |
203 | @param ThisTd TD to link.\r | |
913cb9dc | 204 | \r |
913cb9dc | 205 | **/\r |
913cb9dc | 206 | VOID\r |
207 | UhciAppendTd (\r | |
3af875e2 | 208 | IN USB_HC_DEV *Uhc,\r |
913cb9dc | 209 | IN UHCI_TD_SW *PrevTd,\r |
210 | IN UHCI_TD_SW *ThisTd\r | |
211 | )\r | |
212 | {\r | |
3af875e2 | 213 | EFI_PHYSICAL_ADDRESS PhyAddr;\r |
913cb9dc | 214 | \r |
aa91de05 | 215 | PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, ThisTd, sizeof (UHCI_TD_HW));\r |
3af875e2 | 216 | \r |
aa91de05 | 217 | ASSERT ((PrevTd != NULL) && (ThisTd != NULL));\r |
3af875e2 | 218 | \r |
219 | PrevTd->TdHw.NextLink = TD_LINK (PhyAddr, TRUE, FALSE);\r | |
913cb9dc | 220 | PrevTd->NextTd = (VOID *) ThisTd;\r |
221 | }\r | |
222 | \r | |
223 | \r | |
224 | /**\r | |
ab6495ea | 225 | Delete a list of TDs.\r |
913cb9dc | 226 | \r |
ab6495ea | 227 | @param Uhc The UHCI device.\r |
228 | @param FirstTd TD link list head.\r | |
913cb9dc | 229 | \r |
ab6495ea | 230 | @return None.\r |
913cb9dc | 231 | \r |
232 | **/\r | |
233 | VOID\r | |
234 | UhciDestoryTds (\r | |
235 | IN USB_HC_DEV *Uhc,\r | |
236 | IN UHCI_TD_SW *FirstTd\r | |
237 | )\r | |
238 | {\r | |
239 | UHCI_TD_SW *NextTd;\r | |
240 | UHCI_TD_SW *ThisTd;\r | |
241 | \r | |
242 | NextTd = FirstTd;\r | |
243 | \r | |
244 | while (NextTd != NULL) {\r | |
245 | ThisTd = NextTd;\r | |
246 | NextTd = ThisTd->NextTd;\r | |
247 | UsbHcFreeMem (Uhc->MemPool, ThisTd, sizeof (UHCI_TD_SW));\r | |
248 | }\r | |
249 | }\r | |
250 | \r | |
251 | \r | |
252 | /**\r | |
ab6495ea | 253 | Create an initialize a new queue head.\r |
913cb9dc | 254 | \r |
ab6495ea | 255 | @param Uhc The UHCI device.\r |
256 | @param Interval The polling interval for the queue.\r | |
913cb9dc | 257 | \r |
ab6495ea | 258 | @return The newly created queue header.\r |
913cb9dc | 259 | \r |
260 | **/\r | |
261 | UHCI_QH_SW *\r | |
262 | UhciCreateQh (\r | |
263 | IN USB_HC_DEV *Uhc,\r | |
264 | IN UINTN Interval\r | |
265 | )\r | |
266 | {\r | |
267 | UHCI_QH_SW *Qh;\r | |
268 | \r | |
269 | Qh = UsbHcAllocateMem (Uhc->MemPool, sizeof (UHCI_QH_SW));\r | |
270 | \r | |
271 | if (Qh == NULL) {\r | |
272 | return NULL;\r | |
273 | }\r | |
274 | \r | |
275 | Qh->QhHw.HorizonLink = QH_HLINK (NULL, TRUE);\r | |
276 | Qh->QhHw.VerticalLink = QH_VLINK (NULL, TRUE);\r | |
b4c24e2d | 277 | Qh->Interval = UhciConvertPollRate(Interval);\r |
913cb9dc | 278 | Qh->TDs = NULL;\r |
279 | Qh->NextQh = NULL;\r | |
280 | \r | |
281 | return Qh;\r | |
282 | }\r | |
283 | \r | |
284 | \r | |
285 | /**\r | |
ab6495ea | 286 | Create and intialize a TD.\r |
913cb9dc | 287 | \r |
ab6495ea | 288 | @param Uhc The UHCI device.\r |
913cb9dc | 289 | \r |
ab6495ea | 290 | @return The newly allocated and initialized TD.\r |
913cb9dc | 291 | \r |
292 | **/\r | |
913cb9dc | 293 | UHCI_TD_SW *\r |
294 | UhciCreateTd (\r | |
295 | IN USB_HC_DEV *Uhc\r | |
296 | )\r | |
297 | {\r | |
298 | UHCI_TD_SW *Td;\r | |
299 | \r | |
300 | Td = UsbHcAllocateMem (Uhc->MemPool, sizeof (UHCI_TD_SW));\r | |
301 | if (Td == NULL) {\r | |
302 | return NULL;\r | |
303 | }\r | |
304 | \r | |
aa91de05 | 305 | Td->TdHw.NextLink = TD_LINK (NULL, FALSE, TRUE);\r |
913cb9dc | 306 | Td->NextTd = NULL;\r |
307 | Td->Data = NULL;\r | |
308 | Td->DataLen = 0;\r | |
309 | \r | |
310 | return Td;\r | |
311 | }\r | |
312 | \r | |
313 | \r | |
314 | /**\r | |
ab6495ea | 315 | Create and initialize a TD for Setup Stage of a control transfer.\r |
913cb9dc | 316 | \r |
ab6495ea | 317 | @param Uhc The UHCI device.\r |
318 | @param DevAddr Device address.\r | |
3af875e2 | 319 | @param Request A pointer to cpu memory address of Device request.\r |
320 | @param RequestPhy A pointer to pci memory address of Device request.\r | |
ab6495ea | 321 | @param IsLow Full speed or low speed.\r |
913cb9dc | 322 | \r |
ab6495ea | 323 | @return The created setup Td Pointer.\r |
913cb9dc | 324 | \r |
325 | **/\r | |
913cb9dc | 326 | UHCI_TD_SW *\r |
327 | UhciCreateSetupTd (\r | |
328 | IN USB_HC_DEV *Uhc,\r | |
329 | IN UINT8 DevAddr,\r | |
330 | IN UINT8 *Request,\r | |
3af875e2 | 331 | IN UINT8 *RequestPhy,\r |
913cb9dc | 332 | IN BOOLEAN IsLow\r |
333 | )\r | |
334 | {\r | |
335 | UHCI_TD_SW *Td;\r | |
336 | \r | |
337 | Td = UhciCreateTd (Uhc);\r | |
338 | \r | |
339 | if (Td == NULL) {\r | |
340 | return NULL;\r | |
341 | }\r | |
342 | \r | |
343 | Td->TdHw.NextLink = TD_LINK (NULL, TRUE, TRUE);\r | |
344 | Td->TdHw.ShortPacket = FALSE;\r | |
345 | Td->TdHw.IsIsoch = FALSE;\r | |
346 | Td->TdHw.IntOnCpl = FALSE;\r | |
347 | Td->TdHw.ErrorCount = 0x03;\r | |
348 | Td->TdHw.Status |= USBTD_ACTIVE;\r | |
349 | Td->TdHw.DataToggle = 0;\r | |
350 | Td->TdHw.EndPoint = 0;\r | |
351 | Td->TdHw.LowSpeed = IsLow ? 1 : 0;\r | |
352 | Td->TdHw.DeviceAddr = DevAddr & 0x7F;\r | |
353 | Td->TdHw.MaxPacketLen = (UINT32) (sizeof (EFI_USB_DEVICE_REQUEST) - 1);\r | |
354 | Td->TdHw.PidCode = SETUP_PACKET_ID;\r | |
3af875e2 | 355 | Td->TdHw.DataBuffer = (UINT32) (UINTN) RequestPhy;\r |
913cb9dc | 356 | \r |
357 | Td->Data = Request;\r | |
c9325700 | 358 | Td->DataLen = (UINT16) sizeof (EFI_USB_DEVICE_REQUEST);\r |
913cb9dc | 359 | \r |
360 | return Td;\r | |
361 | }\r | |
362 | \r | |
363 | \r | |
364 | /**\r | |
ab6495ea | 365 | Create a TD for data.\r |
913cb9dc | 366 | \r |
ab6495ea | 367 | @param Uhc The UHCI device.\r |
368 | @param DevAddr Device address.\r | |
369 | @param Endpoint Endpoint number.\r | |
3af875e2 | 370 | @param DataPtr A pointer to cpu memory address of Data buffer.\r |
371 | @param DataPhyPtr A pointer to pci memory address of Data buffer.\r | |
ab6495ea | 372 | @param Len Data length.\r |
373 | @param PktId Packet ID.\r | |
374 | @param Toggle Data toggle value.\r | |
375 | @param IsLow Full speed or low speed.\r | |
913cb9dc | 376 | \r |
ab6495ea | 377 | @return Data Td pointer if success, otherwise NULL.\r |
913cb9dc | 378 | \r |
379 | **/\r | |
913cb9dc | 380 | UHCI_TD_SW *\r |
381 | UhciCreateDataTd (\r | |
382 | IN USB_HC_DEV *Uhc,\r | |
383 | IN UINT8 DevAddr,\r | |
384 | IN UINT8 Endpoint,\r | |
385 | IN UINT8 *DataPtr,\r | |
3af875e2 | 386 | IN UINT8 *DataPhyPtr,\r |
913cb9dc | 387 | IN UINTN Len,\r |
388 | IN UINT8 PktId,\r | |
389 | IN UINT8 Toggle,\r | |
390 | IN BOOLEAN IsLow\r | |
391 | )\r | |
392 | {\r | |
393 | UHCI_TD_SW *Td;\r | |
394 | \r | |
395 | //\r | |
396 | // Code as length - 1, and the max valid length is 0x500\r | |
397 | //\r | |
398 | ASSERT (Len <= 0x500);\r | |
399 | \r | |
400 | Td = UhciCreateTd (Uhc);\r | |
401 | \r | |
402 | if (Td == NULL) {\r | |
403 | return NULL;\r | |
404 | }\r | |
405 | \r | |
406 | Td->TdHw.NextLink = TD_LINK (NULL, TRUE, TRUE);\r | |
407 | Td->TdHw.ShortPacket = FALSE;\r | |
408 | Td->TdHw.IsIsoch = FALSE;\r | |
409 | Td->TdHw.IntOnCpl = FALSE;\r | |
aa91de05 | 410 | Td->TdHw.ErrorCount = 0x03;\r |
913cb9dc | 411 | Td->TdHw.Status = USBTD_ACTIVE;\r |
412 | Td->TdHw.LowSpeed = IsLow ? 1 : 0;\r | |
413 | Td->TdHw.DataToggle = Toggle & 0x01;\r | |
414 | Td->TdHw.EndPoint = Endpoint & 0x0F;\r | |
415 | Td->TdHw.DeviceAddr = DevAddr & 0x7F;\r | |
416 | Td->TdHw.MaxPacketLen = (UINT32) (Len - 1);\r | |
417 | Td->TdHw.PidCode = (UINT8) PktId;\r | |
3af875e2 | 418 | Td->TdHw.DataBuffer = (UINT32) (UINTN) DataPhyPtr;\r |
913cb9dc | 419 | \r |
420 | Td->Data = DataPtr;\r | |
421 | Td->DataLen = (UINT16) Len;\r | |
422 | \r | |
423 | return Td;\r | |
424 | }\r | |
425 | \r | |
426 | \r | |
427 | /**\r | |
ab6495ea | 428 | Create TD for the Status Stage of control transfer.\r |
913cb9dc | 429 | \r |
ab6495ea | 430 | @param Uhc The UHCI device.\r |
431 | @param DevAddr Device address.\r | |
432 | @param PktId Packet ID.\r | |
433 | @param IsLow Full speed or low speed.\r | |
913cb9dc | 434 | \r |
ab6495ea | 435 | @return Status Td Pointer.\r |
913cb9dc | 436 | \r |
437 | **/\r | |
913cb9dc | 438 | UHCI_TD_SW *\r |
439 | UhciCreateStatusTd (\r | |
440 | IN USB_HC_DEV *Uhc,\r | |
441 | IN UINT8 DevAddr,\r | |
442 | IN UINT8 PktId,\r | |
443 | IN BOOLEAN IsLow\r | |
444 | )\r | |
445 | {\r | |
446 | UHCI_TD_SW *Td;\r | |
447 | \r | |
448 | Td = UhciCreateTd (Uhc);\r | |
449 | \r | |
450 | if (Td == NULL) {\r | |
451 | return NULL;\r | |
452 | }\r | |
453 | \r | |
454 | Td->TdHw.NextLink = TD_LINK (NULL, TRUE, TRUE);\r | |
455 | Td->TdHw.ShortPacket = FALSE;\r | |
456 | Td->TdHw.IsIsoch = FALSE;\r | |
457 | Td->TdHw.IntOnCpl = FALSE;\r | |
458 | Td->TdHw.ErrorCount = 0x03;\r | |
459 | Td->TdHw.Status |= USBTD_ACTIVE;\r | |
460 | Td->TdHw.MaxPacketLen = 0x7FF; //0x7FF: there is no data (refer to UHCI spec)\r | |
461 | Td->TdHw.DataToggle = 1;\r | |
462 | Td->TdHw.EndPoint = 0;\r | |
463 | Td->TdHw.LowSpeed = IsLow ? 1 : 0;\r | |
464 | Td->TdHw.DeviceAddr = DevAddr & 0x7F;\r | |
465 | Td->TdHw.PidCode = (UINT8) PktId;\r | |
466 | Td->TdHw.DataBuffer = (UINT32) (UINTN) NULL;\r | |
467 | \r | |
468 | Td->Data = NULL;\r | |
469 | Td->DataLen = 0;\r | |
470 | \r | |
471 | return Td;\r | |
472 | }\r | |
473 | \r | |
474 | \r | |
475 | /**\r | |
ab6495ea | 476 | Create Tds list for Control Transfer.\r |
913cb9dc | 477 | \r |
ab6495ea | 478 | @param Uhc The UHCI device.\r |
479 | @param DeviceAddr The device address.\r | |
480 | @param DataPktId Packet Identification of Data Tds.\r | |
3af875e2 | 481 | @param Request A pointer to cpu memory address of request structure buffer to transfer.\r |
482 | @param RequestPhy A pointer to pci memory address of request structure buffer to transfer.\r | |
483 | @param Data A pointer to cpu memory address of user data buffer to transfer.\r | |
484 | @param DataPhy A pointer to pci memory address of user data buffer to transfer.\r | |
ab6495ea | 485 | @param DataLen Length of user data to transfer.\r |
486 | @param MaxPacket Maximum packet size for control transfer.\r | |
487 | @param IsLow Full speed or low speed.\r | |
913cb9dc | 488 | \r |
ab6495ea | 489 | @return The Td list head for the control transfer.\r |
913cb9dc | 490 | \r |
491 | **/\r | |
492 | UHCI_TD_SW *\r | |
493 | UhciCreateCtrlTds (\r | |
494 | IN USB_HC_DEV *Uhc,\r | |
495 | IN UINT8 DeviceAddr,\r | |
496 | IN UINT8 DataPktId,\r | |
497 | IN UINT8 *Request,\r | |
3af875e2 | 498 | IN UINT8 *RequestPhy,\r |
913cb9dc | 499 | IN UINT8 *Data,\r |
3af875e2 | 500 | IN UINT8 *DataPhy,\r |
913cb9dc | 501 | IN UINTN DataLen,\r |
502 | IN UINT8 MaxPacket,\r | |
503 | IN BOOLEAN IsLow\r | |
504 | )\r | |
505 | {\r | |
506 | UHCI_TD_SW *SetupTd;\r | |
507 | UHCI_TD_SW *FirstDataTd;\r | |
508 | UHCI_TD_SW *DataTd;\r | |
509 | UHCI_TD_SW *PrevDataTd;\r | |
510 | UHCI_TD_SW *StatusTd;\r | |
511 | UINT8 DataToggle;\r | |
512 | UINT8 StatusPktId;\r | |
513 | UINTN ThisTdLen;\r | |
514 | \r | |
515 | \r | |
516 | DataTd = NULL;\r | |
517 | SetupTd = NULL;\r | |
518 | FirstDataTd = NULL;\r | |
519 | PrevDataTd = NULL;\r | |
520 | StatusTd = NULL;\r | |
521 | \r | |
522 | //\r | |
523 | // Create setup packets for the transfer\r | |
524 | //\r | |
3af875e2 | 525 | SetupTd = UhciCreateSetupTd (Uhc, DeviceAddr, Request, RequestPhy, IsLow);\r |
913cb9dc | 526 | \r |
527 | if (SetupTd == NULL) {\r | |
528 | return NULL;\r | |
529 | }\r | |
530 | \r | |
531 | //\r | |
532 | // Create data packets for the transfer\r | |
533 | //\r | |
534 | DataToggle = 1;\r | |
535 | \r | |
536 | while (DataLen > 0) {\r | |
537 | //\r | |
538 | // PktSize is the data load size in each Td.\r | |
539 | //\r | |
540 | ThisTdLen = (DataLen > MaxPacket ? MaxPacket : DataLen);\r | |
541 | \r | |
542 | DataTd = UhciCreateDataTd (\r | |
543 | Uhc,\r | |
544 | DeviceAddr,\r | |
545 | 0,\r | |
3af875e2 | 546 | Data, //cpu memory address\r |
547 | DataPhy, //Pci memory address\r | |
913cb9dc | 548 | ThisTdLen,\r |
549 | DataPktId,\r | |
550 | DataToggle,\r | |
551 | IsLow\r | |
552 | );\r | |
553 | \r | |
554 | if (DataTd == NULL) {\r | |
555 | goto FREE_TD;\r | |
556 | }\r | |
557 | \r | |
558 | if (FirstDataTd == NULL) {\r | |
559 | FirstDataTd = DataTd;\r | |
560 | FirstDataTd->NextTd = NULL;\r | |
561 | } else {\r | |
3af875e2 | 562 | UhciAppendTd (Uhc, PrevDataTd, DataTd);\r |
913cb9dc | 563 | }\r |
564 | \r | |
565 | DataToggle ^= 1;\r | |
566 | PrevDataTd = DataTd;\r | |
567 | Data += ThisTdLen;\r | |
3af875e2 | 568 | DataPhy += ThisTdLen;\r |
913cb9dc | 569 | DataLen -= ThisTdLen;\r |
570 | }\r | |
571 | \r | |
572 | //\r | |
573 | // Status packet is on the opposite direction to data packets\r | |
574 | //\r | |
575 | if (OUTPUT_PACKET_ID == DataPktId) {\r | |
576 | StatusPktId = INPUT_PACKET_ID;\r | |
577 | } else {\r | |
578 | StatusPktId = OUTPUT_PACKET_ID;\r | |
579 | }\r | |
580 | \r | |
581 | StatusTd = UhciCreateStatusTd (Uhc, DeviceAddr, StatusPktId, IsLow);\r | |
582 | \r | |
583 | if (StatusTd == NULL) {\r | |
584 | goto FREE_TD;\r | |
585 | }\r | |
586 | \r | |
587 | //\r | |
588 | // Link setup Td -> data Tds -> status Td together\r | |
589 | //\r | |
590 | if (FirstDataTd != NULL) {\r | |
3af875e2 | 591 | UhciAppendTd (Uhc, SetupTd, FirstDataTd);\r |
592 | UhciAppendTd (Uhc, PrevDataTd, StatusTd);\r | |
913cb9dc | 593 | } else {\r |
3af875e2 | 594 | UhciAppendTd (Uhc, SetupTd, StatusTd);\r |
913cb9dc | 595 | }\r |
596 | \r | |
597 | return SetupTd;\r | |
598 | \r | |
599 | FREE_TD:\r | |
600 | if (SetupTd != NULL) {\r | |
601 | UhciDestoryTds (Uhc, SetupTd);\r | |
602 | }\r | |
603 | \r | |
604 | if (FirstDataTd != NULL) {\r | |
605 | UhciDestoryTds (Uhc, FirstDataTd);\r | |
606 | }\r | |
607 | \r | |
608 | return NULL;\r | |
609 | }\r | |
610 | \r | |
611 | \r | |
612 | /**\r | |
ab6495ea | 613 | Create Tds list for Bulk/Interrupt Transfer.\r |
614 | \r | |
615 | @param Uhc USB_HC_DEV.\r | |
616 | @param DevAddr Address of Device.\r | |
617 | @param EndPoint Endpoint Number.\r | |
618 | @param PktId Packet Identification of Data Tds.\r | |
3af875e2 | 619 | @param Data A pointer to cpu memory address of user data buffer to transfer.\r |
620 | @param DataPhy A pointer to pci memory address of user data buffer to transfer.\r | |
ab6495ea | 621 | @param DataLen Length of user data to transfer.\r |
622 | @param DataToggle Data Toggle Pointer.\r | |
623 | @param MaxPacket Maximum packet size for Bulk/Interrupt transfer.\r | |
624 | @param IsLow Is Low Speed Device.\r | |
625 | \r | |
626 | @return The Tds list head for the bulk transfer.\r | |
913cb9dc | 627 | \r |
628 | **/\r | |
629 | UHCI_TD_SW *\r | |
630 | UhciCreateBulkOrIntTds (\r | |
631 | IN USB_HC_DEV *Uhc,\r | |
632 | IN UINT8 DevAddr,\r | |
633 | IN UINT8 EndPoint,\r | |
634 | IN UINT8 PktId,\r | |
635 | IN UINT8 *Data,\r | |
3af875e2 | 636 | IN UINT8 *DataPhy,\r |
913cb9dc | 637 | IN UINTN DataLen,\r |
638 | IN OUT UINT8 *DataToggle,\r | |
639 | IN UINT8 MaxPacket,\r | |
640 | IN BOOLEAN IsLow\r | |
641 | )\r | |
642 | {\r | |
643 | UHCI_TD_SW *DataTd;\r | |
644 | UHCI_TD_SW *FirstDataTd;\r | |
645 | UHCI_TD_SW *PrevDataTd;\r | |
646 | UINTN ThisTdLen;\r | |
647 | \r | |
648 | DataTd = NULL;\r | |
649 | FirstDataTd = NULL;\r | |
650 | PrevDataTd = NULL;\r | |
651 | \r | |
652 | //\r | |
653 | // Create data packets for the transfer\r | |
654 | //\r | |
655 | while (DataLen > 0) {\r | |
656 | //\r | |
657 | // PktSize is the data load size that each Td.\r | |
658 | //\r | |
659 | ThisTdLen = DataLen;\r | |
660 | \r | |
661 | if (DataLen > MaxPacket) {\r | |
662 | ThisTdLen = MaxPacket;\r | |
663 | }\r | |
664 | \r | |
665 | DataTd = UhciCreateDataTd (\r | |
666 | Uhc,\r | |
667 | DevAddr,\r | |
668 | EndPoint,\r | |
669 | Data,\r | |
3af875e2 | 670 | DataPhy,\r |
913cb9dc | 671 | ThisTdLen,\r |
672 | PktId,\r | |
673 | *DataToggle,\r | |
674 | IsLow\r | |
675 | );\r | |
676 | \r | |
677 | if (DataTd == NULL) {\r | |
678 | goto FREE_TD;\r | |
679 | }\r | |
680 | \r | |
681 | if (PktId == INPUT_PACKET_ID) {\r | |
682 | DataTd->TdHw.ShortPacket = TRUE;\r | |
683 | }\r | |
684 | \r | |
685 | if (FirstDataTd == NULL) {\r | |
686 | FirstDataTd = DataTd;\r | |
687 | FirstDataTd->NextTd = NULL;\r | |
688 | } else {\r | |
3af875e2 | 689 | UhciAppendTd (Uhc, PrevDataTd, DataTd);\r |
913cb9dc | 690 | }\r |
691 | \r | |
692 | *DataToggle ^= 1;\r | |
693 | PrevDataTd = DataTd;\r | |
694 | Data += ThisTdLen;\r | |
3af875e2 | 695 | DataPhy += ThisTdLen;\r |
913cb9dc | 696 | DataLen -= ThisTdLen;\r |
697 | }\r | |
698 | \r | |
699 | return FirstDataTd;\r | |
700 | \r | |
701 | FREE_TD:\r | |
702 | if (FirstDataTd != NULL) {\r | |
703 | UhciDestoryTds (Uhc, FirstDataTd);\r | |
704 | }\r | |
705 | \r | |
706 | return NULL;\r | |
707 | }\r |