2 * PROJECT: ReactOS USB Port Driver
3 * LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
4 * PURPOSE: USBPort USB 2.0 functions
5 * COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
15 USB2_AllocateCheck(IN OUT PULONG OutTimeUsed
,
17 IN ULONG LimitAllocation
)
20 BOOLEAN Result
= TRUE
;
22 BusTime
= *OutTimeUsed
+ CalcBusTime
;
23 *OutTimeUsed
+= CalcBusTime
;
25 if (BusTime
> LimitAllocation
)
27 DPRINT("USB2_AllocateCheck: BusTime > LimitAllocation\n");
36 USB2_AddDataBitStuff(IN USHORT DataTime
)
38 return (DataTime
+ (DataTime
/ 16));
43 USB2_IncMicroFrame(OUT PUCHAR frame
,
48 if (*uframe
> (USB2_MICROFRAMES
- 1))
51 *frame
= (*frame
+ 1) & (USB2_FRAMES
- 1);
57 USB2_GetPrevMicroFrame(OUT PUCHAR frame
,
60 *uframe
= USB2_MICROFRAMES
- 1;
65 *frame
= USB2_FRAMES
- 1;
70 USB2_CheckTtEndpointInsert(IN PUSB2_TT_ENDPOINT nextTtEndpoint
,
71 IN PUSB2_TT_ENDPOINT TtEndpoint
)
75 DPRINT("USB2_CheckTtEndpointInsert: nextTtEndpoint - %p, TtEndpoint - %p\n",
81 if (TtEndpoint
->CalcBusTime
>= (USB2_FS_MAX_PERIODIC_ALLOCATION
/ 2))
83 DPRINT1("USB2_CheckTtEndpointInsert: Result - FALSE\n");
89 DPRINT("USB2_CheckTtEndpointInsert: Result - TRUE\n");
93 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
95 if (nextTtEndpoint
->ActualPeriod
< TtEndpoint
->ActualPeriod
&&
96 TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
)
98 DPRINT("USB2_CheckTtEndpointInsert: Result - TRUE\n");
102 if ((nextTtEndpoint
->ActualPeriod
<= TtEndpoint
->ActualPeriod
&&
103 TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
) ||
104 nextTtEndpoint
== TtEndpoint
)
106 DPRINT("USB2_CheckTtEndpointInsert: Result - TRUE\n");
110 DPRINT("USB2_CheckTtEndpointInsert: Result - FALSE\n");
116 USB2_GetOverhead(IN PUSB2_TT_ENDPOINT TtEndpoint
)
124 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
125 Direction
= TtEndpoint
->TtEndpointParams
.Direction
;
126 DeviceSpeed
= TtEndpoint
->TtEndpointParams
.Direction
;
128 HostDelay
= TtEndpoint
->Tt
->HcExtension
->HcDelayTime
;
130 if (DeviceSpeed
== UsbHighSpeed
)
132 if (Direction
== USBPORT_TRANSFER_DIRECTION_OUT
)
134 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
135 Overhead
= HostDelay
+ USB2_HS_ISOCHRONOUS_OUT_OVERHEAD
;
137 Overhead
= HostDelay
+ USB2_HS_INTERRUPT_OUT_OVERHEAD
;
141 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
142 Overhead
= HostDelay
+ USB2_HS_ISOCHRONOUS_IN_OVERHEAD
;
144 Overhead
= HostDelay
+ USB2_HS_ISOCHRONOUS_OUT_OVERHEAD
;
147 else if (DeviceSpeed
== UsbFullSpeed
)
149 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
150 Overhead
= HostDelay
+ USB2_FS_ISOCHRONOUS_OVERHEAD
;
152 Overhead
= HostDelay
+ USB2_FS_INTERRUPT_OVERHEAD
;
156 Overhead
= HostDelay
+ USB2_LS_INTERRUPT_OVERHEAD
;
164 USB2_GetHsOverhead(IN PUSB2_TT_ENDPOINT TtEndpoint
,
165 IN PULONG OverheadSS
,
166 IN PULONG OverheadCS
)
172 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
173 Direction
= TtEndpoint
->TtEndpointParams
.Direction
;
175 HostDelay
= TtEndpoint
->Tt
->HcExtension
->HcDelayTime
;
177 if (Direction
== USBPORT_TRANSFER_DIRECTION_OUT
)
179 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
181 *OverheadSS
= HostDelay
+ USB2_HS_SS_ISOCHRONOUS_OUT_OVERHEAD
;
186 *OverheadSS
= HostDelay
+ USB2_HS_SS_INTERRUPT_OUT_OVERHEAD
;
187 *OverheadCS
= HostDelay
+ USB2_HS_CS_INTERRUPT_OUT_OVERHEAD
;
192 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
194 *OverheadSS
= HostDelay
+ USB2_HS_SS_ISOCHRONOUS_IN_OVERHEAD
;
195 *OverheadCS
= HostDelay
+ USB2_HS_CS_ISOCHRONOUS_IN_OVERHEAD
;
199 *OverheadSS
= HostDelay
+ USB2_HS_SS_INTERRUPT_IN_OVERHEAD
;
200 *OverheadCS
= HostDelay
+ USB2_HS_CS_INTERRUPT_IN_OVERHEAD
;
203 //DPRINT("USB2_GetHsOverhead: *OverheadSS - %X, *OverheadCS - %X\n",
211 USB2_GetLastIsoTime(IN PUSB2_TT_ENDPOINT TtEndpoint
,
214 PUSB2_TT_ENDPOINT nextTtEndpoint
;
217 //DPRINT("USB2_GetLastIsoTime: TtEndpoint - %p, Frame - %X\n",
221 nextTtEndpoint
= TtEndpoint
->Tt
->FrameBudget
[Frame
].IsoEndpoint
->NextTtEndpoint
;
223 if (nextTtEndpoint
||
224 (nextTtEndpoint
= TtEndpoint
->Tt
->FrameBudget
[Frame
].AltEndpoint
) != NULL
)
226 Result
= nextTtEndpoint
->StartTime
+ nextTtEndpoint
->CalcBusTime
;
230 Result
= USB2_FS_SOF_TIME
;
238 USB2_GetStartTime(IN PUSB2_TT_ENDPOINT nextTtEndpoint
,
239 IN PUSB2_TT_ENDPOINT TtEndpoint
,
240 IN PUSB2_TT_ENDPOINT prevTtEndpoint
,
243 PUSB2_TT_ENDPOINT ttEndpoint
;
246 DPRINT("USB2_GetStartTime: nextTtEndpoint - %p, TtEndpoint - %p, prevTtEndpoint - %p, Frame - %X\n",
252 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
254 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
257 return nextTtEndpoint
->StartTime
+ nextTtEndpoint
->CalcBusTime
;
259 ttEndpoint
= TtEndpoint
->Tt
->FrameBudget
[Frame
].AltEndpoint
;
262 return ttEndpoint
->StartTime
+ ttEndpoint
->CalcBusTime
;
264 return USB2_FS_SOF_TIME
;
268 ttEndpoint
= prevTtEndpoint
;
270 if (ttEndpoint
== TtEndpoint
->Tt
->FrameBudget
[Frame
].IntEndpoint
)
271 return USB2_GetLastIsoTime(TtEndpoint
, Frame
);
273 return ttEndpoint
->StartTime
+ ttEndpoint
->CalcBusTime
;
279 USB2_InitTtEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint
,
280 IN UCHAR TransferType
,
282 IN UCHAR DeviceSpeed
,
284 IN USHORT MaxPacketSize
,
287 TtEndpoint
->TtEndpointParams
.TransferType
= TransferType
;
288 TtEndpoint
->TtEndpointParams
.Direction
= Direction
;
289 TtEndpoint
->TtEndpointParams
.DeviceSpeed
= DeviceSpeed
;
291 TtEndpoint
->Period
= Period
;
292 TtEndpoint
->MaxPacketSize
= MaxPacketSize
;
295 TtEndpoint
->CalcBusTime
= 0;
296 TtEndpoint
->StartTime
= 0;
297 TtEndpoint
->ActualPeriod
= 0;
298 TtEndpoint
->StartFrame
= 0;
299 TtEndpoint
->StartMicroframe
= 0;
301 TtEndpoint
->Nums
.AsULONG
= 0;
302 TtEndpoint
->NextTtEndpoint
= NULL
;
303 TtEndpoint
->Reserved2
= 0;
304 TtEndpoint
->PreviosPeriod
= 0;
305 TtEndpoint
->IsPromoted
= FALSE
;
310 USB2_AllocateHS(IN PUSB2_TT_ENDPOINT TtEndpoint
,
313 PUSB2_HC_EXTENSION HcExtension
;
319 ULONG RemainDataTime
;
324 USHORT PktSizeBitStuff
;
329 DPRINT("USB2_AllocateHS: TtEndpoint - %p, Frame - %X, StartFrame - %X\n",
332 TtEndpoint
->StartFrame
);
335 HcExtension
= Tt
->HcExtension
;
337 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
338 Direction
= TtEndpoint
->TtEndpointParams
.Direction
;
342 TtEndpoint
->StartMicroframe
=
343 TtEndpoint
->StartTime
/ USB2_FS_RAW_BYTES_IN_MICROFRAME
- 1;
345 DPRINT("USB2_AllocateHS: TtEndpoint->StartMicroframe - %X\n",
346 TtEndpoint
->StartMicroframe
);
349 USB2_GetHsOverhead(TtEndpoint
, &OverheadSS
, &OverheadCS
);
351 if (TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
)
355 TtEndpoint
->Nums
.NumStarts
= 1;
357 if ((CHAR
)TtEndpoint
->StartMicroframe
< (USB2_MICROFRAMES
- 3))
358 TtEndpoint
->Nums
.NumCompletes
= 3;
360 TtEndpoint
->Nums
.NumCompletes
= 2;
365 if (Direction
== USBPORT_TRANSFER_DIRECTION_OUT
)
367 DPRINT("USB2_AllocateHS: ISO UNIMPLEMENTED\n");
372 DPRINT("USB2_AllocateHS: ISO UNIMPLEMENTED\n");
377 frame
= TtEndpoint
->StartFrame
+ Frame
;
378 uframe
= TtEndpoint
->StartMicroframe
;
380 if (TtEndpoint
->StartMicroframe
== 0xFF)
381 USB2_GetPrevMicroFrame(&frame
, &uframe
);
383 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumStarts
; ix
++)
385 if (!USB2_AllocateCheck(&HcExtension
->TimeUsed
[frame
][uframe
],
387 USB2_MAX_MICROFRAME_ALLOCATION
))
392 if (Tt
->NumStartSplits
[frame
][uframe
] >
393 (USB2_MAX_FS_LS_TRANSACTIONS_IN_UFRAME
- 1))
395 DPRINT1("USB2_AllocateHS: Num Start Splits - %X\n",
396 Tt
->NumStartSplits
[frame
][uframe
] + 1);
402 ++Tt
->NumStartSplits
[frame
][uframe
];
403 USB2_IncMicroFrame(&frame
, &uframe
);
406 frame
= TtEndpoint
->StartFrame
+ Frame
;
407 uframe
= TtEndpoint
->StartMicroframe
+ TtEndpoint
->Nums
.NumStarts
+ 1;
409 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumCompletes
; ix
++)
411 if (!USB2_AllocateCheck(&HcExtension
->TimeUsed
[frame
][uframe
],
413 USB2_MAX_MICROFRAME_ALLOCATION
))
418 USB2_IncMicroFrame(&frame
, &uframe
);
421 PktSize
= TtEndpoint
->MaxPacketSize
;
422 PktSizeBitStuff
= USB2_AddDataBitStuff(PktSize
);
424 if (Direction
== USBPORT_TRANSFER_DIRECTION_OUT
)
426 frame
= TtEndpoint
->StartFrame
+ Frame
;
427 uframe
= TtEndpoint
->StartMicroframe
;
430 USB2_GetPrevMicroFrame(&frame
, &uframe
);
434 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumStarts
; ix
++)
436 DataSize
= PktSizeBitStuff
- DataTime
;
438 if (DataSize
<= USB2_FS_RAW_BYTES_IN_MICROFRAME
)
441 DataTime
= USB2_FS_RAW_BYTES_IN_MICROFRAME
;
443 DPRINT("USB2_AllocateHS: ix - %X, frame - %X, uframe - %X, TimeUsed - %X\n",
447 HcExtension
->TimeUsed
[frame
][uframe
]);
449 if (!USB2_AllocateCheck(&HcExtension
->TimeUsed
[frame
][uframe
],
451 USB2_MAX_MICROFRAME_ALLOCATION
))
456 USB2_IncMicroFrame(&frame
, &uframe
);
457 DataTime
+= USB2_FS_RAW_BYTES_IN_MICROFRAME
;
462 frame
= TtEndpoint
->StartFrame
+ Frame
;
463 uframe
= TtEndpoint
->StartMicroframe
+ TtEndpoint
->Nums
.NumStarts
+ 1;
465 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumCompletes
; ix
++)
467 if (Tt
->TimeCS
[frame
][uframe
] < USB2_FS_RAW_BYTES_IN_MICROFRAME
)
469 RemainDataTime
= USB2_FS_RAW_BYTES_IN_MICROFRAME
-
470 Tt
->TimeCS
[frame
][uframe
];
472 if (RemainDataTime
>= PktSizeBitStuff
)
474 DataTime
= PktSizeBitStuff
;
476 else if (RemainDataTime
> 0)
478 DataTime
= RemainDataTime
;
485 if (!USB2_AllocateCheck(&HcExtension
->TimeUsed
[frame
][uframe
],
487 USB2_MAX_MICROFRAME_ALLOCATION
))
493 if (PktSizeBitStuff
< USB2_FS_RAW_BYTES_IN_MICROFRAME
)
494 Tt
->TimeCS
[frame
][uframe
] += PktSizeBitStuff
;
496 Tt
->TimeCS
[frame
][uframe
] += USB2_FS_RAW_BYTES_IN_MICROFRAME
;
498 USB2_IncMicroFrame(&frame
, &uframe
);
502 DPRINT("USB2_AllocateHS: Result - %X\n", Result
);
508 USB2_DeallocateHS(IN PUSB2_TT_ENDPOINT TtEndpoint
,
512 PUSB2_HC_EXTENSION HcExtension
;
517 ULONG CurrentDataTime
;
518 ULONG RemainDataTime
;
522 USHORT PktSizeBitStuff
;
526 DPRINT("USB2_DeallocateHS: TtEndpoint - %p, Frame - %X\n",
531 HcExtension
= Tt
->HcExtension
;
533 USB2_GetHsOverhead(TtEndpoint
, &OverheadSS
, &OverheadCS
);
535 frame
= TtEndpoint
->StartFrame
+ Frame
;
536 uframe
= TtEndpoint
->StartMicroframe
;
538 if (TtEndpoint
->StartMicroframe
== 0xFF)
540 USB2_GetPrevMicroFrame(&frame
, &uframe
);
543 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumStarts
; ix
++)
545 HcExtension
->TimeUsed
[frame
][uframe
] -= OverheadSS
;
546 --Tt
->NumStartSplits
[frame
][uframe
];
547 USB2_IncMicroFrame(&frame
, &uframe
);
550 frame
= TtEndpoint
->StartFrame
+ Frame
;
551 uframe
= TtEndpoint
->StartMicroframe
+ TtEndpoint
->Nums
.NumStarts
+ 1;
553 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumCompletes
; ix
++)
555 HcExtension
->TimeUsed
[frame
][uframe
] -= OverheadCS
;
556 USB2_IncMicroFrame(&frame
, &uframe
);
559 Direction
= TtEndpoint
->TtEndpointParams
.Direction
;
560 PktSize
= TtEndpoint
->MaxPacketSize
;
561 PktSizeBitStuff
= USB2_AddDataBitStuff(PktSize
);
563 if (Direction
== USBPORT_TRANSFER_DIRECTION_OUT
)
565 frame
= TtEndpoint
->StartFrame
+ Frame
;
566 uframe
= TtEndpoint
->StartMicroframe
;
568 if (TtEndpoint
->StartMicroframe
== 0xFF)
570 USB2_GetPrevMicroFrame(&frame
, &uframe
);
575 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumStarts
; ix
++)
577 DataSize
= PktSizeBitStuff
- DataTime
;
579 if (DataSize
<= USB2_FS_RAW_BYTES_IN_MICROFRAME
)
581 CurrentDataTime
= PktSizeBitStuff
- DataTime
;
585 CurrentDataTime
= USB2_FS_RAW_BYTES_IN_MICROFRAME
;
588 HcExtension
->TimeUsed
[frame
][uframe
] -= CurrentDataTime
;
589 USB2_IncMicroFrame(&frame
, &uframe
);
590 DataTime
+= USB2_FS_RAW_BYTES_IN_MICROFRAME
;
595 frame
= TtEndpoint
->StartFrame
+ Frame
;
596 uframe
= TtEndpoint
->StartMicroframe
+ TtEndpoint
->Nums
.NumStarts
+ 1;
598 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumCompletes
; ix
++)
600 if (PktSizeBitStuff
>= USB2_FS_RAW_BYTES_IN_MICROFRAME
)
602 CurrentDataTime
= USB2_FS_RAW_BYTES_IN_MICROFRAME
;
606 CurrentDataTime
= PktSizeBitStuff
;
609 Tt
->TimeCS
[frame
][uframe
] -= CurrentDataTime
;
611 if (Tt
->TimeCS
[frame
][uframe
] < USB2_FS_RAW_BYTES_IN_MICROFRAME
)
613 RemainDataTime
= USB2_FS_RAW_BYTES_IN_MICROFRAME
-
614 Tt
->TimeCS
[frame
][uframe
];
616 if (RemainDataTime
>= PktSizeBitStuff
)
617 RemainDataTime
= PktSizeBitStuff
;
619 HcExtension
->TimeUsed
[frame
][uframe
] -= RemainDataTime
;
622 USB2_IncMicroFrame(&frame
, &uframe
);
631 USB2_MoveTtEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint
,
633 IN PUSB2_REBALANCE Rebalance
,
634 IN ULONG RebalanceListEntries
,
635 OUT BOOLEAN
* OutResult
)
642 DPRINT("USB2_MoveTtEndpoint: TtEndpoint - %p, BusTime - %X\n",
648 for (Num
= 0; Rebalance
->RebalanceEndpoint
[Num
]; Num
++)
650 if (Rebalance
->RebalanceEndpoint
[Num
] == TtEndpoint
)
654 DPRINT("USB2_MoveTtEndpoint: Num - %X\n", Num
);
656 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
658 if (Rebalance
->RebalanceEndpoint
[Num
] &&
659 TtEndpoint
->TtEndpointParams
.EndpointMoved
== TRUE
&&
660 (TransferType
!= USBPORT_TRANSFER_TYPE_INTERRUPT
|| BusTime
>= 0))
662 DPRINT("USB2_MoveTtEndpoint: result - FALSE\n");
667 (TtEndpoint
->StartFrame
+ ix
) < USB2_FRAMES
;
668 ix
+= TtEndpoint
->ActualPeriod
)
670 USB2_DeallocateHS(TtEndpoint
, ix
);
673 TtEndpoint
->StartTime
+= BusTime
;
675 EndBusTime
= TtEndpoint
->StartTime
+ TtEndpoint
->CalcBusTime
;
677 if (EndBusTime
> USB2_FS_MAX_PERIODIC_ALLOCATION
)
679 DPRINT("USB2_MoveTtEndpoint: EndBusTime is too large!\n");
683 TtEndpoint
->TtEndpointParams
.EndpointMoved
= TRUE
;
685 if (Rebalance
->RebalanceEndpoint
[Num
] == NULL
)
687 if (Num
>= RebalanceListEntries
)
689 DPRINT("USB2_MoveTtEndpoint: Too many changes!\n");
694 Rebalance
->RebalanceEndpoint
[Num
] = TtEndpoint
;
695 Rebalance
->RebalanceEndpoint
[Num
+ 1] = NULL
;
700 (TtEndpoint
->StartFrame
+ ix
) < USB2_FRAMES
;
701 ix
+= TtEndpoint
->ActualPeriod
)
703 if (!USB2_AllocateHS(TtEndpoint
, ix
))
705 DPRINT("USB2_MoveTtEndpoint: OutResult - FALSE\n");
710 DPRINT("USB2_MoveTtEndpoint: result - TRUE\n");
716 USB2_CommonFrames(IN PUSB2_TT_ENDPOINT NextTtEndpoint
,
717 IN PUSB2_TT_ENDPOINT TtEndpoint
)
721 DPRINT("USB2_CommonFrames: \n");
723 if (NextTtEndpoint
->ActualPeriod
== ENDPOINT_INTERRUPT_1ms
||
724 TtEndpoint
->ActualPeriod
== ENDPOINT_INTERRUPT_1ms
)
729 if (NextTtEndpoint
->ActualPeriod
< TtEndpoint
->ActualPeriod
)
731 Frame
= TtEndpoint
->StartFrame
% TtEndpoint
->ActualPeriod
;
735 Frame
= NextTtEndpoint
->StartFrame
% TtEndpoint
->ActualPeriod
;
738 return (Frame
== TtEndpoint
->StartFrame
);
743 USB2_ConvertFrame(IN UCHAR Frame
,
746 OUT PUCHAR HcMicroframe
)
748 DPRINT("USB2_ConvertFrame: Frame - %x, Microframe - %x\n",
752 if (Microframe
== 0xFF)
758 if (Microframe
>= 0 &&
759 Microframe
<= (USB2_MICROFRAMES
- 2))
762 *HcMicroframe
= Microframe
+ 1;
765 if (Microframe
== (USB2_MICROFRAMES
- 1))
767 *HcFrame
= Frame
+ 1;
774 USB2_GetSMASK(IN PUSB2_TT_ENDPOINT TtEndpoint
)
781 if (TtEndpoint
->TtEndpointParams
.DeviceSpeed
== UsbHighSpeed
)
783 SMask
= (1 << TtEndpoint
->StartMicroframe
);
787 USB2_ConvertFrame(TtEndpoint
->StartFrame
,
788 TtEndpoint
->StartMicroframe
,
792 for (ix
= 0; ix
< TtEndpoint
->Nums
.NumStarts
; ix
++)
794 SMask
|= (1 << HcMicroFrame
);
804 USB2_GetCMASK(IN PUSB2_TT_ENDPOINT TtEndpoint
)
815 static const UCHAR CMASKS
[USB2_MICROFRAMES
] = {
816 0x1C, 0x38, 0x70, 0xE0, 0xC1, 0x83, 0x07, 0x0E
819 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
820 DeviceSpeed
= TtEndpoint
->TtEndpointParams
.DeviceSpeed
;
821 Direction
= TtEndpoint
->TtEndpointParams
.Direction
;
823 if (DeviceSpeed
== UsbHighSpeed
)
828 if (TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
)
830 USB2_ConvertFrame(TtEndpoint
->StartFrame
,
831 TtEndpoint
->StartMicroframe
,
835 Result
= CMASKS
[HcMicroFrame
];
839 if (Direction
== USBPORT_TRANSFER_DIRECTION_OUT
)
844 USB2_ConvertFrame(TtEndpoint
->StartFrame
,
845 TtEndpoint
->StartMicroframe
,
849 NumCompletes
= TtEndpoint
->Nums
.NumCompletes
;
851 for (MicroFrameCS
= HcMicroFrame
+ 2;
852 MicroFrameCS
< USB2_MICROFRAMES
;
855 MaskCS
|= (1 << MicroFrameCS
);
864 for (; NumCompletes
; NumCompletes
--)
866 MaskCS
|= (1 << (MicroFrameCS
- USB2_MICROFRAMES
));
877 USB2_RebalanceEndpoint(IN PDEVICE_OBJECT FdoDevice
,
880 PUSBPORT_DEVICE_EXTENSION FdoExtension
;
881 PUSBPORT_REGISTRATION_PACKET Packet
;
882 PUSBPORT_ENDPOINT Endpoint
;
884 ULONG AllocedBusTime
;
885 ULONG EndpointBandwidth
;
887 ULONG ScheduleOffset
;
896 FdoExtension
= FdoDevice
->DeviceExtension
;
897 Packet
= &FdoExtension
->MiniPortInterface
->Packet
;
899 while (!IsListEmpty(List
))
901 Entry
= RemoveHeadList(List
);
903 Endpoint
= CONTAINING_RECORD(Entry
,
905 RebalanceLink
.Flink
);
907 DPRINT("USB2_RebalanceEndpoint: Endpoint - %p\n", Endpoint
);
909 Endpoint
->RebalanceLink
.Flink
= NULL
;
910 Endpoint
->RebalanceLink
.Blink
= NULL
;
912 KeAcquireSpinLock(&Endpoint
->EndpointSpinLock
,
913 &Endpoint
->EndpointOldIrql
);
915 SMask
= USB2_GetSMASK(Endpoint
->TtEndpoint
);
916 CMask
= USB2_GetCMASK(Endpoint
->TtEndpoint
);
918 ScheduleOffset
= Endpoint
->TtEndpoint
->StartFrame
;
919 NewPeriod
= Endpoint
->TtEndpoint
->ActualPeriod
;
921 AllocedBusTime
= Endpoint
->TtEndpoint
->CalcBusTime
;
922 EndpointBandwidth
= USB2_MICROFRAMES
* AllocedBusTime
;
924 Endpoint
->EndpointProperties
.InterruptScheduleMask
= SMask
;
925 Endpoint
->EndpointProperties
.SplitCompletionMask
= CMask
;
927 if (Endpoint
->EndpointProperties
.Period
!= NewPeriod
)
929 Factor
= USB2_FRAMES
/ Endpoint
->EndpointProperties
.Period
;
932 for (ix
= 0; ix
< Factor
; ix
++)
934 Bandwidth
= Endpoint
->EndpointProperties
.UsbBandwidth
;
935 n
= Factor
* Endpoint
->EndpointProperties
.ScheduleOffset
;
936 Endpoint
->TtExtension
->Bandwidth
[n
+ ix
] += Bandwidth
;
939 Endpoint
->EndpointProperties
.Period
= NewPeriod
;
940 Endpoint
->EndpointProperties
.ScheduleOffset
= ScheduleOffset
;
941 Endpoint
->EndpointProperties
.UsbBandwidth
= EndpointBandwidth
;
943 Factor
= USB2_FRAMES
/ NewPeriod
;
946 for (ix
= 0; ix
< Factor
; ix
++)
948 n
= Factor
* ScheduleOffset
;
949 Endpoint
->TtExtension
->Bandwidth
[n
+ ix
] += EndpointBandwidth
;
953 KeAcquireSpinLock(&FdoExtension
->MiniportSpinLock
, &OldIrql
);
955 Packet
->RebalanceEndpoint(FdoExtension
->MiniPortExt
,
956 &Endpoint
->EndpointProperties
,
957 (PVOID
)((ULONG_PTR
)Endpoint
+ sizeof(USBPORT_ENDPOINT
)));
959 KeReleaseSpinLock(&FdoExtension
->MiniportSpinLock
, OldIrql
);
961 KeReleaseSpinLock(&Endpoint
->EndpointSpinLock
,
962 Endpoint
->EndpointOldIrql
);
968 USB2_Rebalance(IN PDEVICE_OBJECT FdoDevice
,
969 IN PLIST_ENTRY RebalanceList
)
971 PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties
;
972 PUSBPORT_ENDPOINT Endpoint
;
974 LIST_ENTRY BalanceListInt1
;
975 LIST_ENTRY BalanceListInt2
;
977 ULONG ScheduleOffset
;
982 DPRINT("USB2_Rebalance: FdoDevice - %p, RebalanceList - %p\n",
986 InitializeListHead(&BalanceListInt1
);
987 InitializeListHead(&BalanceListInt2
);
989 while (!IsListEmpty(RebalanceList
))
991 Entry
= RebalanceList
->Flink
;
993 Endpoint
= CONTAINING_RECORD(Entry
,
995 RebalanceLink
.Flink
);
997 DPRINT("USBPORT_Rebalance: Entry - %p, Endpoint - %p\n",
1001 RemoveHeadList(RebalanceList
);
1002 Entry
->Flink
= NULL
;
1003 Entry
->Blink
= NULL
;
1005 SMask
= USB2_GetSMASK(Endpoint
->TtEndpoint
);
1006 CMask
= USB2_GetCMASK(Endpoint
->TtEndpoint
);
1008 ScheduleOffset
= Endpoint
->TtEndpoint
->StartFrame
;
1009 ActualPeriod
= Endpoint
->TtEndpoint
->ActualPeriod
;
1011 EndpointProperties
= &Endpoint
->EndpointProperties
;
1012 TransferType
= EndpointProperties
->TransferType
;
1014 switch (TransferType
)
1016 case USBPORT_TRANSFER_TYPE_ISOCHRONOUS
:
1017 DPRINT("USBPORT_Rebalance: USBPORT_TRANSFER_TYPE_ISOCHRONOUS. FIXME\n");
1021 case USBPORT_TRANSFER_TYPE_INTERRUPT
:
1022 if (SMask
!= EndpointProperties
->InterruptScheduleMask
||
1023 CMask
!= EndpointProperties
->SplitCompletionMask
||
1024 ScheduleOffset
!= EndpointProperties
->ScheduleOffset
||
1025 ActualPeriod
!= EndpointProperties
->Period
)
1027 if (ActualPeriod
== EndpointProperties
->Period
&&
1028 ScheduleOffset
== EndpointProperties
->ScheduleOffset
)
1030 InsertTailList(&BalanceListInt1
, Entry
);
1034 InsertTailList(&BalanceListInt2
, Entry
);
1045 USB2_RebalanceEndpoint(FdoDevice
, &BalanceListInt2
);
1046 USB2_RebalanceEndpoint(FdoDevice
, &BalanceListInt1
);
1047 //USB2_RebalanceEndpoint(FdoDevice, &BalanceListIso);
1052 USB2_DeallocateEndpointBudget(IN PUSB2_TT_ENDPOINT TtEndpoint
,
1053 IN PUSB2_REBALANCE Rebalance
,
1054 IN PULONG RebalanceListEntries
,
1058 PUSB2_HC_EXTENSION HcExtension
;
1060 ULONG StartMicroframe
;
1066 DPRINT("USB2_DeallocateEndpointBudget: TtEndpoint - %p, MaxFrames - %X\n",
1070 if (TtEndpoint
->CalcBusTime
== 0)
1072 DPRINT("USB2_DeallocateEndpointBudget: endpoint not allocated\n");//error((int)"endpoint not allocated");
1076 Tt
= TtEndpoint
->Tt
;
1077 HcExtension
= Tt
->HcExtension
;
1079 Speed
= TtEndpoint
->TtEndpointParams
.DeviceSpeed
;
1080 DPRINT("USB2_DeallocateEndpointBudget: DeviceSpeed - %X\n", Speed
);
1082 StartMicroframe
= TtEndpoint
->StartFrame
* USB2_MICROFRAMES
+
1083 TtEndpoint
->StartMicroframe
;
1085 if (Speed
== UsbHighSpeed
)
1087 for (ix
= StartMicroframe
;
1088 ix
< USB2_MAX_MICROFRAMES
;
1089 ix
+= TtEndpoint
->ActualPeriod
)
1091 frame
= ix
/ USB2_MICROFRAMES
;
1092 uframe
= ix
% (USB2_MICROFRAMES
- 1);
1094 HcExtension
->TimeUsed
[frame
][uframe
] -= TtEndpoint
->CalcBusTime
;
1097 TtEndpoint
->CalcBusTime
= 0;
1099 DPRINT("USB2_DeallocateEndpointBudget: return TRUE\n");
1103 /* Speed != UsbHighSpeed (FS/LS) */
1105 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
1107 for (ix
= MaxFrames
, Frame
= (MaxFrames
- 1) - TtEndpoint
->StartFrame
;
1111 frame
= TtEndpoint
->StartFrame
+ Frame
;
1113 DPRINT("USB2_DeallocateEndpointBudget: frame - %X, Frame - %X, StartFrame - %X\n",
1116 TtEndpoint
->StartFrame
);
1118 if ((Frame
% TtEndpoint
->ActualPeriod
) == 0)
1120 USB2_DeallocateHS(TtEndpoint
, Frame
);
1121 Tt
->FrameBudget
[frame
].TimeUsed
-= TtEndpoint
->CalcBusTime
;
1124 if (TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
)
1126 endpoint
= Tt
->FrameBudget
[frame
].IntEndpoint
;
1130 endpoint
= Tt
->FrameBudget
[frame
].IsoEndpoint
;
1133 nextEndpoint
= endpoint
->NextTtEndpoint
;
1135 DPRINT("USB2_DeallocateEndpointBudget: TtEndpoint - %p, nextEndpoint - %p\n",
1139 if (TtEndpoint
->CalcBusTime
> (USB2_FS_MAX_PERIODIC_ALLOCATION
/ 2))
1141 while (nextEndpoint
)
1143 endpoint
= nextEndpoint
;
1144 nextEndpoint
= nextEndpoint
->NextTtEndpoint
;
1147 nextEndpoint
= TtEndpoint
;
1149 DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
1155 while (nextEndpoint
&&
1156 !USB2_CheckTtEndpointInsert(nextEndpoint
, TtEndpoint
))
1158 endpoint
= nextEndpoint
;
1159 nextEndpoint
= nextEndpoint
->NextTtEndpoint
;
1162 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
&&
1165 DPRINT1("USB2_DeallocateEndpointBudget: Iso Ep UNIMPLEMENTED. FIXME\n");
1169 DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
1174 if ((Frame
% TtEndpoint
->ActualPeriod
) == 0)
1176 if (TtEndpoint
->CalcBusTime
> (USB2_FS_MAX_PERIODIC_ALLOCATION
/ 2))
1178 Tt
->FrameBudget
[frame
].AltEndpoint
= NULL
;
1180 else if (nextEndpoint
)
1182 nextEndpoint
= nextEndpoint
->NextTtEndpoint
;
1183 endpoint
->NextTtEndpoint
= nextEndpoint
;
1185 DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
1191 if (TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
)
1193 if (endpoint
== Tt
->FrameBudget
[frame
].IntEndpoint
)
1195 if (Tt
->FrameBudget
[frame
].IsoEndpoint
->NextTtEndpoint
)
1197 endpoint
= Tt
->FrameBudget
[frame
].IsoEndpoint
->NextTtEndpoint
;
1198 DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p\n", endpoint
);
1200 else if (Tt
->FrameBudget
[frame
].AltEndpoint
)
1202 endpoint
= Tt
->FrameBudget
[frame
].AltEndpoint
;
1203 DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p\n", endpoint
);
1209 DPRINT1("USB2_DeallocateEndpointBudget: Iso Ep UNIMPLEMENTED. FIXME\n");
1213 Period
= TtEndpoint
->ActualPeriod
;
1217 endpoint
= nextEndpoint
,
1218 nextEndpoint
= nextEndpoint
->NextTtEndpoint
)
1220 DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
1224 endTime
= endpoint
->StartTime
+ endpoint
->CalcBusTime
;
1225 maxEndTime
= endTime
;
1227 if (Period
> nextEndpoint
->ActualPeriod
||
1228 TtEndpoint
->StartFrame
!= nextEndpoint
->StartFrame
)
1230 if (USB2_CommonFrames(nextEndpoint
, TtEndpoint
))
1231 Factor
= Period
/ nextEndpoint
->ActualPeriod
;
1233 Factor
= USB2_FRAMES
/ nextEndpoint
->ActualPeriod
;
1235 maxEndTime
= endTime
;
1237 for (jx
= 0, frame
= nextEndpoint
->StartFrame
;
1239 jx
++, frame
+= nextEndpoint
->ActualPeriod
)
1241 if (nextEndpoint
->StartFrame
!= TtEndpoint
->StartFrame
)
1243 lastEndpoint
= Tt
->FrameBudget
[frame
].IntEndpoint
;
1245 if (Tt
->FrameBudget
[frame
].IsoEndpoint
->NextTtEndpoint
)
1247 lastEndpoint
= Tt
->FrameBudget
[frame
].IsoEndpoint
->NextTtEndpoint
;
1249 else if (Tt
->FrameBudget
[frame
].AltEndpoint
)
1251 lastEndpoint
= Tt
->FrameBudget
[frame
].AltEndpoint
;
1254 for (tmpEndpoint
= Tt
->FrameBudget
[frame
].IntEndpoint
->NextTtEndpoint
;
1255 tmpEndpoint
&& tmpEndpoint
!= nextEndpoint
;
1256 tmpEndpoint
= tmpEndpoint
->NextTtEndpoint
)
1258 lastEndpoint
= tmpEndpoint
;
1261 lastEndTime
= lastEndpoint
->StartTime
+ lastEndpoint
->CalcBusTime
;
1263 if (endTime
< (lastEndTime
- 1))
1265 maxEndTime
= lastEndTime
;
1266 endTime
= maxEndTime
;
1268 if (nextEndpoint
->StartTime
== maxEndTime
)
1273 maxEndTime
= endTime
;
1279 if (maxEndTime
>= nextEndpoint
->StartTime
)
1282 if (!USB2_MoveTtEndpoint(nextEndpoint
,
1283 maxEndTime
- nextEndpoint
->StartTime
,
1285 *RebalanceListEntries
,
1290 DPRINT("USB2_DeallocateEndpointBudget: Not moved!\n");
1296 if (Period
> nextEndpoint
->ActualPeriod
)
1297 Period
= nextEndpoint
->ActualPeriod
;
1301 TtEndpoint
->CalcBusTime
= 0;
1303 DPRINT("USB2_DeallocateEndpointBudget: return TRUE\n");
1309 USB2_AllocateTimeForEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint
,
1310 IN PUSB2_REBALANCE Rebalance
,
1311 IN PULONG RebalanceListEntries
)
1314 PUSB2_HC_EXTENSION HcExtension
;
1325 PUSB2_TT_ENDPOINT prevEndpoint
;
1326 PUSB2_TT_ENDPOINT nextEndpoint
;
1327 PUSB2_TT_ENDPOINT IntEndpoint
;
1330 BOOLEAN Result
= TRUE
;
1332 DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint - %p\n", TtEndpoint
);
1334 Tt
= TtEndpoint
->Tt
;
1335 HcExtension
= Tt
->HcExtension
;
1337 TtEndpoint
->Nums
.NumStarts
= 0;
1338 TtEndpoint
->Nums
.NumCompletes
= 0;
1340 TtEndpoint
->StartFrame
= 0;
1341 TtEndpoint
->StartMicroframe
= 0;
1343 if (TtEndpoint
->CalcBusTime
)
1345 DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint already allocated!\n");
1349 Speed
= TtEndpoint
->TtEndpointParams
.DeviceSpeed
;
1351 if (Speed
== UsbHighSpeed
)
1353 if (TtEndpoint
->Period
> USB2_MAX_MICROFRAMES
)
1354 TtEndpoint
->ActualPeriod
= USB2_MAX_MICROFRAMES
;
1356 TtEndpoint
->ActualPeriod
= TtEndpoint
->Period
;
1358 MinTimeUsed
= HcExtension
->TimeUsed
[0][0];
1360 for (ix
= 1; ix
< TtEndpoint
->ActualPeriod
; ix
++)
1362 frame
= ix
/ USB2_MICROFRAMES
;
1363 uframe
= ix
% (USB2_MICROFRAMES
- 1);
1365 TimeUsed
= HcExtension
->TimeUsed
[frame
][uframe
];
1367 if (TimeUsed
< MinTimeUsed
)
1369 MinTimeUsed
= TimeUsed
;
1370 TtEndpoint
->StartFrame
= frame
;
1371 TtEndpoint
->StartMicroframe
= uframe
;
1375 TtEndpoint
->CalcBusTime
= USB2_GetOverhead(TtEndpoint
) +
1376 USB2_AddDataBitStuff(TtEndpoint
->MaxPacketSize
);
1378 DPRINT("USB2_AllocateTimeForEndpoint: StartFrame - %X, StartMicroframe - %X, CalcBusTime - %X\n",
1379 TtEndpoint
->StartFrame
,
1380 TtEndpoint
->StartMicroframe
,
1381 TtEndpoint
->CalcBusTime
);
1383 Microframe
= TtEndpoint
->StartFrame
* USB2_MICROFRAMES
+
1384 TtEndpoint
->StartMicroframe
;
1386 if (Microframe
>= USB2_MAX_MICROFRAMES
)
1388 DPRINT("USB2_AllocateTimeForEndpoint: Microframe >= 256. Result - TRUE\n");
1392 for (ix
= Microframe
;
1393 ix
< USB2_MAX_MICROFRAMES
;
1394 ix
+= TtEndpoint
->ActualPeriod
)
1396 frame
= ix
/ USB2_MICROFRAMES
;
1397 uframe
= ix
% (USB2_MICROFRAMES
- 1);
1399 DPRINT("USB2_AllocateTimeForEndpoint: frame - %X, uframe - %X, TimeUsed[f][uf] - %X\n",
1402 HcExtension
->TimeUsed
[frame
][uframe
]);
1404 if (!USB2_AllocateCheck(&HcExtension
->TimeUsed
[frame
][uframe
],
1405 TtEndpoint
->CalcBusTime
,
1406 USB2_MAX_MICROFRAME_ALLOCATION
))
1408 DPRINT("USB2_AllocateTimeForEndpoint: Result = FALSE\n");
1415 for (ix
= Microframe
;
1416 ix
< USB2_MAX_MICROFRAMES
;
1417 ix
+= TtEndpoint
->ActualPeriod
)
1419 frame
= ix
/ USB2_MICROFRAMES
;
1420 uframe
= ix
% (USB2_MICROFRAMES
- 1);
1422 HcExtension
->TimeUsed
[frame
][uframe
] -= TtEndpoint
->CalcBusTime
;
1426 DPRINT("USB2_AllocateTimeForEndpoint: Result - TRUE\n");
1430 /* Speed != UsbHighSpeed (FS/LS) */
1432 if (TtEndpoint
->Period
> USB2_FRAMES
)
1433 TtEndpoint
->ActualPeriod
= USB2_FRAMES
;
1435 TtEndpoint
->ActualPeriod
= TtEndpoint
->Period
;
1437 MinTimeUsed
= Tt
->FrameBudget
[0].TimeUsed
;
1439 for (ix
= 1; ix
< TtEndpoint
->ActualPeriod
; ix
++)
1441 if ((Tt
->FrameBudget
[ix
].TimeUsed
) < MinTimeUsed
)
1443 MinTimeUsed
= Tt
->FrameBudget
[ix
].TimeUsed
;
1444 TtEndpoint
->StartFrame
= ix
;
1448 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
1450 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
1452 if (Speed
== UsbFullSpeed
)
1454 Overhead
= USB2_FS_ISOCHRONOUS_OVERHEAD
+ Tt
->DelayTime
;
1458 DPRINT("USB2_AllocateTimeForEndpoint: ISO can not be on a LS bus!\n");
1464 if (Speed
== UsbFullSpeed
)
1465 Overhead
= USB2_FS_INTERRUPT_OVERHEAD
+ Tt
->DelayTime
;
1467 Overhead
= USB2_LS_INTERRUPT_OVERHEAD
+ Tt
->DelayTime
;
1470 if (Speed
== UsbLowSpeed
)
1472 TtEndpoint
->CalcBusTime
= TtEndpoint
->MaxPacketSize
* 8 + Overhead
;
1476 TtEndpoint
->CalcBusTime
= TtEndpoint
->MaxPacketSize
+ Overhead
;
1479 LatestStart
= USB2_HUB_DELAY
+ USB2_FS_SOF_TIME
;
1482 (TtEndpoint
->StartFrame
+ ix
) < USB2_FRAMES
;
1483 ix
+= TtEndpoint
->ActualPeriod
)
1485 frame
= TtEndpoint
->StartFrame
+ ix
;
1487 if (Tt
->FrameBudget
[frame
].AltEndpoint
&&
1488 TtEndpoint
->CalcBusTime
>= (USB2_FS_MAX_PERIODIC_ALLOCATION
/ 2))
1490 DPRINT("USB2_AllocateTimeForEndpoint: return FALSE\n");
1494 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
1495 prevEndpoint
= Tt
->FrameBudget
[frame
].IsoEndpoint
;
1497 prevEndpoint
= Tt
->FrameBudget
[frame
].IntEndpoint
;
1499 for (nextEndpoint
= prevEndpoint
->NextTtEndpoint
;
1501 nextEndpoint
= nextEndpoint
->NextTtEndpoint
)
1503 if (USB2_CheckTtEndpointInsert(nextEndpoint
, TtEndpoint
))
1508 prevEndpoint
= nextEndpoint
;
1511 StartTime
= USB2_GetStartTime(nextEndpoint
,
1516 if (StartTime
> LatestStart
)
1517 LatestStart
= StartTime
;
1520 TtEndpoint
->StartTime
= LatestStart
;
1522 if ((LatestStart
+ TtEndpoint
->CalcBusTime
) > USB2_FS_MAX_PERIODIC_ALLOCATION
)
1524 TtEndpoint
->CalcBusTime
= 0;
1525 DPRINT("USB2_AllocateTimeForEndpoint: return FALSE\n");
1529 for (ix
= 0, frame
= -TtEndpoint
->StartFrame
;
1533 DPRINT("USB2_AllocateTimeForEndpoint: ix - %X, frame - %X, StartFrame - %X\n",
1536 TtEndpoint
->StartFrame
);
1538 if (TransferType
== USBPORT_TRANSFER_TYPE_ISOCHRONOUS
)
1540 DPRINT1("USB2_AllocateTimeForEndpoint: Iso Ep UNIMPLEMENTED. FIXME\n");
1545 IntEndpoint
= Tt
->FrameBudget
[ix
].IntEndpoint
;
1546 nextEndpoint
= IntEndpoint
->NextTtEndpoint
;
1548 for (nextEndpoint
= IntEndpoint
->NextTtEndpoint
;
1550 nextEndpoint
= nextEndpoint
->NextTtEndpoint
)
1552 if (USB2_CheckTtEndpointInsert(nextEndpoint
, TtEndpoint
))
1554 IntEndpoint
= nextEndpoint
;
1557 if ((frame
% TtEndpoint
->ActualPeriod
) == 0)
1565 calcBusTime
= LatestStart
+ TtEndpoint
->CalcBusTime
-
1566 nextEndpoint
->StartTime
;
1570 calcBusTime
= TtEndpoint
->CalcBusTime
;
1573 if (calcBusTime
> 0)
1575 TimeUsed
= Tt
->FrameBudget
[ix
].TimeUsed
;
1577 if (!USB2_AllocateCheck(&TimeUsed
,
1579 USB2_FS_MAX_PERIODIC_ALLOCATION
))
1581 DPRINT("USB2_AllocateTimeForEndpoint: Result = FALSE\n");
1587 if (nextEndpoint
!= TtEndpoint
)
1589 if ((frame
% TtEndpoint
->ActualPeriod
) == 0)
1593 DPRINT("USB2_AllocateTimeForEndpoint: frame == 0\n");
1594 TtEndpoint
->NextTtEndpoint
= nextEndpoint
;
1597 IntEndpoint
->NextTtEndpoint
= TtEndpoint
;
1599 DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint - %p, nextEndpoint - %p\n",
1604 if (calcBusTime
> 0)
1609 DPRINT("USB2_AllocateTimeForEndpoint: nextEndpoint - %p, calcBusTime - %X\n",
1615 nextEndpoint
= nextEndpoint
->NextTtEndpoint
)
1617 MoveResult
= USB2_MoveTtEndpoint(nextEndpoint
,
1620 *RebalanceListEntries
,
1625 DPRINT("USB2_AllocateTimeForEndpoint: Result = FALSE\n");
1636 if ((frame
% TtEndpoint
->ActualPeriod
) == 0)
1638 if (!USB2_AllocateHS(TtEndpoint
, frame
))
1640 DPRINT1("USB2_AllocateTimeForEndpoint: USB2_AllocateHS return FALSE\n");
1644 Tt
->FrameBudget
[ix
].TimeUsed
+= TtEndpoint
->CalcBusTime
;
1647 if (Result
== FALSE
)
1649 USB2_DeallocateEndpointBudget(TtEndpoint
,
1651 RebalanceListEntries
,
1654 DPRINT("USB2_AllocateTimeForEndpoint: return FALSE\n");
1659 DPRINT("USB2_AllocateTimeForEndpoint: Result - %X\n", Result
);
1665 USB2_ChangePeriod(IN PUSB2_TT_ENDPOINT TtEndpoint
,
1666 IN PUSB2_REBALANCE Rebalance
,
1667 IN PULONG RebalanceListEntries
)
1671 DPRINT("USB2_ChangePeriod: RebalanceListEntries - %X\n",
1672 *RebalanceListEntries
);
1674 USB2_DeallocateEndpointBudget(TtEndpoint
,
1676 RebalanceListEntries
,
1679 TtEndpoint
->PreviosPeriod
= TtEndpoint
->Period
;
1680 TtEndpoint
->Period
= ENDPOINT_INTERRUPT_1ms
;
1682 Result
= USB2_AllocateTimeForEndpoint(TtEndpoint
,
1684 RebalanceListEntries
);
1691 USB2_PromotePeriods(IN PUSB2_TT_ENDPOINT TtEndpoint
,
1692 IN PUSB2_REBALANCE Rebalance
,
1693 IN PULONG RebalanceListEntries
)
1695 PUSB2_TT_ENDPOINT ttEndpoint
;
1699 TransferType
= TtEndpoint
->TtEndpointParams
.TransferType
;
1701 if (TtEndpoint
->ActualPeriod
!= ENDPOINT_INTERRUPT_1ms
&&
1702 TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
&&
1703 (CHAR
)TtEndpoint
->StartMicroframe
> 2 &&
1704 !USB2_ChangePeriod(TtEndpoint
, Rebalance
, RebalanceListEntries
))
1706 DPRINT("USB2_PromotePeriods: return FALSE\n");
1710 if (Rebalance
->RebalanceEndpoint
[0] == NULL
)
1712 DPRINT("USB2_PromotePeriods: return TRUE\n");
1716 DPRINT("USB2_PromotePeriods: RebalanceListEntries - %X\n",
1717 *RebalanceListEntries
);
1719 for (ix
= 0; Rebalance
->RebalanceEndpoint
[ix
]; ix
++)
1721 Rebalance
->RebalanceEndpoint
[ix
]->IsPromoted
= FALSE
;
1724 for (ix
= 0; ; ix
++)
1726 ttEndpoint
= Rebalance
->RebalanceEndpoint
[ix
];
1727 TransferType
= ttEndpoint
->TtEndpointParams
.TransferType
;
1729 if (ttEndpoint
->ActualPeriod
!= ENDPOINT_INTERRUPT_1ms
&&
1730 TransferType
== USBPORT_TRANSFER_TYPE_INTERRUPT
&&
1731 ttEndpoint
->StartMicroframe
> 2)
1733 USB2_DeallocateEndpointBudget(ttEndpoint
,
1735 RebalanceListEntries
,
1738 ttEndpoint
->IsPromoted
= TRUE
;
1739 ttEndpoint
->PreviosPeriod
= ttEndpoint
->Period
;
1740 ttEndpoint
->Period
= ENDPOINT_INTERRUPT_1ms
;
1742 if (!USB2_AllocateTimeForEndpoint(ttEndpoint
,
1744 RebalanceListEntries
))
1750 if (Rebalance
->RebalanceEndpoint
[ix
+ 1] == NULL
)
1752 DPRINT("USB2_PromotePeriods: return TRUE\n");
1757 USB2_DeallocateEndpointBudget(TtEndpoint
,
1759 RebalanceListEntries
,
1762 TtEndpoint
->Period
= TtEndpoint
->PreviosPeriod
;
1763 TtEndpoint
->PreviosPeriod
= 0;
1765 for (ix
= 0; Rebalance
->RebalanceEndpoint
[ix
]; ix
++)
1767 ttEndpoint
= Rebalance
->RebalanceEndpoint
[ix
];
1769 if (ttEndpoint
->IsPromoted
)
1771 if (ttEndpoint
->CalcBusTime
)
1773 USB2_DeallocateEndpointBudget(ttEndpoint
,
1775 RebalanceListEntries
,
1779 TtEndpoint
->Period
= TtEndpoint
->PreviosPeriod
;
1780 TtEndpoint
->PreviosPeriod
= 0;
1782 USB2_AllocateTimeForEndpoint(ttEndpoint
,
1784 RebalanceListEntries
);
1788 DPRINT("USB2_PromotePeriods: return FALSE\n");
1794 USBPORT_UpdateAllocatedBwTt(IN PUSB2_TT_EXTENSION TtExtension
)
1797 ULONG NewBusBandwidth
;
1798 ULONG MaxBusBandwidth
= 0;
1799 ULONG MinBusBandwidth
;
1802 DPRINT("USBPORT_UpdateAllocatedBwTt: TtExtension - %p\n", TtExtension
);
1804 BusBandwidth
= TtExtension
->BusBandwidth
;
1805 MinBusBandwidth
= BusBandwidth
;
1807 for (ix
= 0; ix
< USB2_FRAMES
; ix
++)
1809 NewBusBandwidth
= BusBandwidth
- TtExtension
->Bandwidth
[ix
];
1811 if (NewBusBandwidth
> MaxBusBandwidth
)
1812 MaxBusBandwidth
= NewBusBandwidth
;
1814 if (NewBusBandwidth
< MinBusBandwidth
)
1815 MinBusBandwidth
= NewBusBandwidth
;
1818 TtExtension
->MaxBandwidth
= MaxBusBandwidth
;
1820 if (MinBusBandwidth
== BusBandwidth
)
1821 TtExtension
->MinBandwidth
= 0;
1823 TtExtension
->MinBandwidth
= MinBusBandwidth
;
1828 USBPORT_AllocateBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice
,
1829 IN PUSBPORT_ENDPOINT Endpoint
)
1831 PUSBPORT_DEVICE_EXTENSION FdoExtension
;
1832 PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties
;
1833 PUSB2_TT_EXTENSION TtExtension
;
1835 PUSB2_REBALANCE Rebalance
;
1836 LIST_ENTRY RebalanceList
;
1837 ULONG RebalanceListEntries
;
1838 PUSB2_TT_ENDPOINT TtEndpoint
;
1839 PUSB2_TT_ENDPOINT RebalanceTtEndpoint
;
1841 USB_DEVICE_SPEED DeviceSpeed
;
1843 ULONG AllocedBusTime
;
1844 ULONG EndpointBandwidth
;
1845 ULONG ScheduleOffset
;
1855 DPRINT("USBPORT_AllocateBandwidthUSB2: FdoDevice - %p, Endpoint - %p\n",
1859 EndpointProperties
= &Endpoint
->EndpointProperties
;
1860 EndpointProperties
->ScheduleOffset
= 0;
1862 if (Endpoint
->Flags
& ENDPOINT_FLAG_ROOTHUB_EP0
)
1864 DPRINT("USBPORT_AllocateBandwidthUSB2: ENDPOINT_FLAG_ROOTHUB_EP0\n");
1868 FdoExtension
= FdoDevice
->DeviceExtension
;
1870 TransferType
= EndpointProperties
->TransferType
;
1871 DPRINT("USBPORT_AllocateBandwidthUSB2: TransferType - %X\n", TransferType
);
1873 if (TransferType
== USBPORT_TRANSFER_TYPE_CONTROL
||
1874 TransferType
== USBPORT_TRANSFER_TYPE_BULK
)
1879 if (Endpoint
->TtExtension
)
1880 TtExtension
= Endpoint
->TtExtension
;
1884 InitializeListHead(&RebalanceList
);
1886 Rebalance
= ExAllocatePoolWithTag(NonPagedPool
,
1887 sizeof(USB2_REBALANCE
),
1890 DPRINT("USBPORT_AllocateBandwidthUSB2: Rebalance - %p, TtExtension - %p\n",
1896 RtlZeroMemory(Rebalance
, sizeof(USB2_REBALANCE
));
1898 TtEndpoint
= Endpoint
->TtEndpoint
;
1899 TtEndpoint
->Endpoint
= Endpoint
;
1901 Direction
= EndpointProperties
->Direction
== USBPORT_TRANSFER_DIRECTION_OUT
;
1902 DeviceSpeed
= EndpointProperties
->DeviceSpeed
;
1904 switch (DeviceSpeed
)
1909 Tt
= &TtExtension
->Tt
;
1911 Period
= USB2_FRAMES
;
1913 while (Period
> 0 && Period
> EndpointProperties
->Period
)
1918 DPRINT("USBPORT_AllocateBandwidthUSB2: Period - %X\n", Period
);
1924 Tt
= &FdoExtension
->Usb2Extension
->HcTt
;
1926 if (EndpointProperties
->Period
> USB2_MAX_MICROFRAMES
)
1927 Period
= USB2_MAX_MICROFRAMES
;
1929 Period
= EndpointProperties
->Period
;
1936 DPRINT1("USBPORT_AllocateBandwidthUSB2: DeviceSpeed - %X!\n",
1941 Tt
= &TtExtension
->Tt
;
1946 USB2_InitTtEndpoint(TtEndpoint
,
1951 EndpointProperties
->MaxPacketSize
,
1954 RebalanceListEntries
= USB2_FRAMES
- 2;
1956 Result
= USB2_AllocateTimeForEndpoint(TtEndpoint
,
1958 &RebalanceListEntries
);
1962 Result
= USB2_PromotePeriods(TtEndpoint
,
1964 &RebalanceListEntries
);
1967 RebalanceListEntries
= 0;
1969 for (ix
= 0; Rebalance
->RebalanceEndpoint
[ix
]; ix
++)
1971 RebalanceListEntries
= ix
+ 1;
1976 RebalanceListEntries
= 0;
1980 DPRINT("USBPORT_AllocateBandwidthUSB2: RebalanceListEntries - %X, Result - %X\n",
1981 RebalanceListEntries
,
1984 for (ix
= 0; ix
< RebalanceListEntries
; ix
++)
1986 RebalanceTtEndpoint
= Rebalance
->RebalanceEndpoint
[ix
];
1988 DPRINT("USBPORT_AllocateBandwidthUSB2: RebalanceTtEndpoint[%X] - %p, RebalanceTtEndpoint - %p, RebalanceLink - %p\n",
1990 RebalanceTtEndpoint
,
1991 &RebalanceTtEndpoint
->Endpoint
->RebalanceLink
);
1993 InsertTailList(&RebalanceList
,
1994 &RebalanceTtEndpoint
->Endpoint
->RebalanceLink
);
1998 ExFreePoolWithTag(Rebalance
, USB_PORT_TAG
);
2002 SMask
= USB2_GetSMASK(Endpoint
->TtEndpoint
);
2003 EndpointProperties
->InterruptScheduleMask
= SMask
;
2005 CMask
= USB2_GetCMASK(Endpoint
->TtEndpoint
);
2006 EndpointProperties
->SplitCompletionMask
= CMask
;
2008 AllocedBusTime
= TtEndpoint
->CalcBusTime
;
2010 EndpointBandwidth
= USB2_MICROFRAMES
* AllocedBusTime
;
2011 EndpointProperties
->UsbBandwidth
= EndpointBandwidth
;
2013 ActualPeriod
= Endpoint
->TtEndpoint
->ActualPeriod
;
2014 EndpointProperties
->Period
= ActualPeriod
;
2016 ScheduleOffset
= Endpoint
->TtEndpoint
->StartFrame
;
2017 EndpointProperties
->ScheduleOffset
= ScheduleOffset
;
2019 Factor
= USB2_FRAMES
/ ActualPeriod
;
2022 n
= ScheduleOffset
* Factor
;
2026 for (ix
= 0; ix
< Factor
; ix
++)
2028 TtExtension
->Bandwidth
[n
+ ix
] -= EndpointBandwidth
;
2033 for (ix
= 1; ix
< Factor
; ix
++)
2035 FdoExtension
->Bandwidth
[n
+ ix
] -= EndpointBandwidth
;
2039 USBPORT_DumpingEndpointProperties(EndpointProperties
);
2040 USBPORT_DumpingTtEndpoint(Endpoint
->TtEndpoint
);
2042 if (AllocedBusTime
>= (USB2_FS_MAX_PERIODIC_ALLOCATION
/ 2))
2044 DPRINT1("USBPORT_AllocateBandwidthUSB2: AllocedBusTime >= 0.5 * MAX_ALLOCATION \n");
2048 USB2_Rebalance(FdoDevice
, &RebalanceList
);
2052 DPRINT("USBPORT_AllocateBandwidthUSB2: Result - %X\n", Result
);
2056 for (ix
= 0; ix
< USB2_FRAMES
; ix
++)
2058 FdoExtension
->Bandwidth
[ix
] += TtExtension
->MaxBandwidth
;
2061 USBPORT_UpdateAllocatedBwTt(TtExtension
);
2063 for (ix
= 0; ix
< USB2_FRAMES
; ix
++)
2065 FdoExtension
->Bandwidth
[ix
] -= TtExtension
->MaxBandwidth
;
2068 DPRINT("USBPORT_AllocateBandwidthUSB2: Result - %X\n", Result
);
2075 USBPORT_FreeBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice
,
2076 IN PUSBPORT_ENDPOINT Endpoint
)
2078 DPRINT1("USBPORT_FreeBandwidthUSB2: UNIMPLEMENTED. FIXME. \n");
2083 USB2_InitTT(IN PUSB2_HC_EXTENSION HcExtension
,
2089 DPRINT("USB2_InitTT: HcExtension - %p, Tt - %p\n", HcExtension
, Tt
);
2091 Tt
->HcExtension
= HcExtension
;
2093 Tt
->MaxTime
= USB2_FS_MAX_PERIODIC_ALLOCATION
;
2095 for (ix
= 0; ix
< USB2_FRAMES
; ix
++)
2097 Tt
->FrameBudget
[ix
].TimeUsed
= USB2_MAX_MICROFRAMES
;
2098 Tt
->FrameBudget
[ix
].AltEndpoint
= NULL
;
2100 for (jx
= 0; jx
< USB2_MICROFRAMES
; jx
++)
2102 Tt
->TimeCS
[ix
][jx
] = 0;
2103 Tt
->NumStartSplits
[ix
][jx
] = 0;
2106 Tt
->FrameBudget
[ix
].IsoEndpoint
= &Tt
->IsoEndpoint
[ix
];
2108 USB2_InitTtEndpoint(&Tt
->IsoEndpoint
[ix
],
2109 USBPORT_TRANSFER_TYPE_ISOCHRONOUS
,
2110 USBPORT_TRANSFER_DIRECTION_OUT
,
2116 Tt
->IsoEndpoint
[ix
].ActualPeriod
= USB2_FRAMES
;
2117 Tt
->IsoEndpoint
[ix
].CalcBusTime
= USB2_FS_SOF_TIME
+ USB2_HUB_DELAY
;
2118 Tt
->IsoEndpoint
[ix
].StartFrame
= ix
;
2119 Tt
->IsoEndpoint
[ix
].StartMicroframe
= 0xFF;
2121 Tt
->FrameBudget
[ix
].IntEndpoint
= &Tt
->IntEndpoint
[ix
];
2123 USB2_InitTtEndpoint(&Tt
->IntEndpoint
[ix
],
2124 USBPORT_TRANSFER_TYPE_INTERRUPT
,
2125 USBPORT_TRANSFER_DIRECTION_OUT
,
2131 Tt
->IntEndpoint
[ix
].ActualPeriod
= USB2_FRAMES
;
2132 Tt
->IntEndpoint
[ix
].CalcBusTime
= USB2_FS_SOF_TIME
+ USB2_HUB_DELAY
;
2133 Tt
->IntEndpoint
[ix
].StartFrame
= ix
;
2134 Tt
->IntEndpoint
[ix
].StartMicroframe
= 0xFF;
2140 USB2_InitController(IN PUSB2_HC_EXTENSION HcExtension
)
2145 DPRINT("USB2_InitController: HcExtension - %p\n", HcExtension
);
2147 HcExtension
->MaxHsBusAllocation
= USB2_MAX_MICROFRAME_ALLOCATION
;
2149 for (ix
= 0; ix
< USB2_FRAMES
; ix
++)
2151 for (jx
= 0; jx
< USB2_MICROFRAMES
; jx
++)
2153 HcExtension
->TimeUsed
[ix
][jx
] = 0;
2157 HcExtension
->HcDelayTime
= USB2_CONTROLLER_DELAY
;
2159 USB2_InitTT(HcExtension
, &HcExtension
->HcTt
);