diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/UhciDxe/UhciSched.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/UhciDxe/UhciSched.c | 293 |
1 files changed, 136 insertions, 157 deletions
diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/UhciSched.c b/MdeModulePkg/Bus/Pci/UhciDxe/UhciSched.c index 0829bc2a8c..c08f949696 100644 --- a/MdeModulePkg/Bus/Pci/UhciDxe/UhciSched.c +++ b/MdeModulePkg/Bus/Pci/UhciDxe/UhciSched.c @@ -9,7 +9,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include "Uhci.h"
-
/**
Create Frame List Structure.
@@ -22,7 +21,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent **/
EFI_STATUS
UhciInitFrameList (
- IN USB_HC_DEV *Uhc
+ IN USB_HC_DEV *Uhc
)
{
EFI_PHYSICAL_ADDRESS MappedAddr;
@@ -70,14 +69,14 @@ UhciInitFrameList ( goto ON_ERROR;
}
- Uhc->FrameBase = (UINT32 *) (UINTN) Buffer;
- Uhc->FrameMapping = Mapping;
+ Uhc->FrameBase = (UINT32 *)(UINTN)Buffer;
+ Uhc->FrameMapping = Mapping;
//
// Tell the Host Controller where the Frame List lies,
// by set the Frame List Base Address Register.
//
- UhciSetFrameListBaseAddr (Uhc->PciIo, (VOID *) (UINTN) MappedAddr);
+ UhciSetFrameListBaseAddr (Uhc->PciIo, (VOID *)(UINTN)MappedAddr);
//
// Allocate the QH used by sync interrupt/control/bulk transfer.
@@ -85,9 +84,9 @@ UhciInitFrameList ( // can be reclaimed. Notice, LS don't support bulk transfer and
// also doesn't support BW reclamation.
//
- Uhc->SyncIntQh = UhciCreateQh (Uhc, 1);
- Uhc->CtrlQh = UhciCreateQh (Uhc, 1);
- Uhc->BulkQh = UhciCreateQh (Uhc, 1);
+ Uhc->SyncIntQh = UhciCreateQh (Uhc, 1);
+ Uhc->CtrlQh = UhciCreateQh (Uhc, 1);
+ Uhc->BulkQh = UhciCreateQh (Uhc, 1);
if ((Uhc->SyncIntQh == NULL) || (Uhc->CtrlQh == NULL) || (Uhc->BulkQh == NULL)) {
Uhc->PciIo->Unmap (Uhc->PciIo, Mapping);
@@ -102,22 +101,22 @@ UhciInitFrameList ( // Each frame entry is linked to this sequence of QH. These QH
// will remain on the schedul, never got removed
//
- PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Uhc->CtrlQh, sizeof (UHCI_QH_HW));
- Uhc->SyncIntQh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
- Uhc->SyncIntQh->NextQh = Uhc->CtrlQh;
+ PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Uhc->CtrlQh, sizeof (UHCI_QH_HW));
+ Uhc->SyncIntQh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
+ Uhc->SyncIntQh->NextQh = Uhc->CtrlQh;
- PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Uhc->BulkQh, sizeof (UHCI_QH_HW));
- Uhc->CtrlQh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
- Uhc->CtrlQh->NextQh = Uhc->BulkQh;
+ PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Uhc->BulkQh, sizeof (UHCI_QH_HW));
+ Uhc->CtrlQh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
+ Uhc->CtrlQh->NextQh = Uhc->BulkQh;
//
// Some old platform such as Intel's Tiger 4 has a difficult time
// in supporting the full speed bandwidth reclamation in the previous
// mentioned form. Most new platforms don't suffer it.
//
- Uhc->BulkQh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
+ Uhc->BulkQh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
- Uhc->BulkQh->NextQh = NULL;
+ Uhc->BulkQh->NextQh = NULL;
Uhc->FrameBaseHostAddr = AllocateZeroPool (4096);
if (Uhc->FrameBaseHostAddr == NULL) {
@@ -127,7 +126,7 @@ UhciInitFrameList ( PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Uhc->SyncIntQh, sizeof (UHCI_QH_HW));
for (Index = 0; Index < UHCI_FRAME_NUM; Index++) {
- Uhc->FrameBase[Index] = QH_HLINK (PhyAddr, FALSE);
+ Uhc->FrameBase[Index] = QH_HLINK (PhyAddr, FALSE);
Uhc->FrameBaseHostAddr[Index] = (UINT32)(UINTN)Uhc->SyncIntQh;
}
@@ -150,7 +149,6 @@ ON_ERROR: return Status;
}
-
/**
Destory FrameList buffer.
@@ -159,7 +157,7 @@ ON_ERROR: **/
VOID
UhciDestoryFrameList (
- IN USB_HC_DEV *Uhc
+ IN USB_HC_DEV *Uhc
)
{
//
@@ -172,7 +170,7 @@ UhciDestoryFrameList ( Uhc->PciIo->FreeBuffer (
Uhc->PciIo,
EFI_SIZE_TO_PAGES (4096),
- (VOID *) Uhc->FrameBase
+ (VOID *)Uhc->FrameBase
);
if (Uhc->FrameBaseHostAddr != NULL) {
@@ -191,14 +189,13 @@ UhciDestoryFrameList ( UsbHcFreeMem (Uhc->MemPool, Uhc->BulkQh, sizeof (UHCI_QH_SW));
}
- Uhc->FrameBase = NULL;
- Uhc->FrameBaseHostAddr = NULL;
- Uhc->SyncIntQh = NULL;
- Uhc->CtrlQh = NULL;
- Uhc->BulkQh = NULL;
+ Uhc->FrameBase = NULL;
+ Uhc->FrameBaseHostAddr = NULL;
+ Uhc->SyncIntQh = NULL;
+ Uhc->CtrlQh = NULL;
+ Uhc->BulkQh = NULL;
}
-
/**
Convert the poll rate to the maxium 2^n that is smaller
than Interval.
@@ -210,10 +207,10 @@ UhciDestoryFrameList ( **/
UINTN
UhciConvertPollRate (
- IN UINTN Interval
+ IN UINTN Interval
)
{
- UINTN BitCount;
+ UINTN BitCount;
ASSERT (Interval != 0);
@@ -230,7 +227,6 @@ UhciConvertPollRate ( return (UINTN)1 << (BitCount - 1);
}
-
/**
Link a queue head (for asynchronous interrupt transfer) to
the frame list.
@@ -241,15 +237,15 @@ UhciConvertPollRate ( **/
VOID
UhciLinkQhToFrameList (
- USB_HC_DEV *Uhc,
- UHCI_QH_SW *Qh
+ USB_HC_DEV *Uhc,
+ UHCI_QH_SW *Qh
)
{
- UINTN Index;
- UHCI_QH_SW *Prev;
- UHCI_QH_SW *Next;
- EFI_PHYSICAL_ADDRESS PhyAddr;
- EFI_PHYSICAL_ADDRESS QhPciAddr;
+ UINTN Index;
+ UHCI_QH_SW *Prev;
+ UHCI_QH_SW *Next;
+ EFI_PHYSICAL_ADDRESS PhyAddr;
+ EFI_PHYSICAL_ADDRESS QhPciAddr;
ASSERT ((Uhc->FrameBase != NULL) && (Qh != NULL));
@@ -261,8 +257,8 @@ UhciLinkQhToFrameList ( // heads on the frame list
//
ASSERT (!LINK_TERMINATED (Uhc->FrameBase[Index]));
- Next = (UHCI_QH_SW*)(UINTN)Uhc->FrameBaseHostAddr[Index];
- Prev = NULL;
+ Next = (UHCI_QH_SW *)(UINTN)Uhc->FrameBaseHostAddr[Index];
+ Prev = NULL;
//
// Now, insert the queue head (Qh) into this frame:
@@ -279,8 +275,8 @@ UhciLinkQhToFrameList ( // rate is correct.
//
while (Next->Interval > Qh->Interval) {
- Prev = Next;
- Next = Next->NextQh;
+ Prev = Next;
+ Next = Next->NextQh;
ASSERT (Next != NULL);
}
@@ -305,15 +301,15 @@ UhciLinkQhToFrameList ( //
ASSERT ((Index == 0) && (Qh->NextQh == NULL));
- Prev = Next;
- Next = Next->NextQh;
+ Prev = Next;
+ Next = Next->NextQh;
- Qh->NextQh = Next;
- Prev->NextQh = Qh;
+ Qh->NextQh = Next;
+ Prev->NextQh = Qh;
- Qh->QhHw.HorizonLink = Prev->QhHw.HorizonLink;
+ Qh->QhHw.HorizonLink = Prev->QhHw.HorizonLink;
- Prev->QhHw.HorizonLink = QH_HLINK (QhPciAddr, FALSE);
+ Prev->QhHw.HorizonLink = QH_HLINK (QhPciAddr, FALSE);
break;
}
@@ -323,22 +319,21 @@ UhciLinkQhToFrameList ( // guarranted by 2^n polling interval.
//
if (Qh->NextQh == NULL) {
- Qh->NextQh = Next;
- PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Next, sizeof (UHCI_QH_HW));
- Qh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
+ Qh->NextQh = Next;
+ PhyAddr = UsbHcGetPciAddressForHostMem (Uhc->MemPool, Next, sizeof (UHCI_QH_HW));
+ Qh->QhHw.HorizonLink = QH_HLINK (PhyAddr, FALSE);
}
if (Prev == NULL) {
- Uhc->FrameBase[Index] = QH_HLINK (QhPciAddr, FALSE);
- Uhc->FrameBaseHostAddr[Index] = (UINT32)(UINTN)Qh;
+ Uhc->FrameBase[Index] = QH_HLINK (QhPciAddr, FALSE);
+ Uhc->FrameBaseHostAddr[Index] = (UINT32)(UINTN)Qh;
} else {
- Prev->NextQh = Qh;
- Prev->QhHw.HorizonLink = QH_HLINK (QhPciAddr, FALSE);
+ Prev->NextQh = Qh;
+ Prev->QhHw.HorizonLink = QH_HLINK (QhPciAddr, FALSE);
}
}
}
-
/**
Unlink QH from the frame list is easier: find all
the precedence node, and pointer there next to QhSw's
@@ -350,13 +345,13 @@ UhciLinkQhToFrameList ( **/
VOID
UhciUnlinkQhFromFrameList (
- USB_HC_DEV *Uhc,
- UHCI_QH_SW *Qh
+ USB_HC_DEV *Uhc,
+ UHCI_QH_SW *Qh
)
{
- UINTN Index;
- UHCI_QH_SW *Prev;
- UHCI_QH_SW *This;
+ UINTN Index;
+ UHCI_QH_SW *Prev;
+ UHCI_QH_SW *This;
ASSERT ((Uhc->FrameBase != NULL) && (Qh != NULL));
@@ -366,16 +361,16 @@ UhciUnlinkQhFromFrameList ( // queue heads on the frame list
//
ASSERT (!LINK_TERMINATED (Uhc->FrameBase[Index]));
- This = (UHCI_QH_SW*)(UINTN)Uhc->FrameBaseHostAddr[Index];
- Prev = NULL;
+ This = (UHCI_QH_SW *)(UINTN)Uhc->FrameBaseHostAddr[Index];
+ Prev = NULL;
//
// Walk through the frame's QH list to find the
// queue head to remove
//
while ((This != NULL) && (This != Qh)) {
- Prev = This;
- This = This->NextQh;
+ Prev = This;
+ This = This->NextQh;
}
//
@@ -390,16 +385,15 @@ UhciUnlinkQhFromFrameList ( //
// Qh is the first entry in the frame
//
- Uhc->FrameBase[Index] = Qh->QhHw.HorizonLink;
- Uhc->FrameBaseHostAddr[Index] = (UINT32)(UINTN)Qh->NextQh;
+ Uhc->FrameBase[Index] = Qh->QhHw.HorizonLink;
+ Uhc->FrameBaseHostAddr[Index] = (UINT32)(UINTN)Qh->NextQh;
} else {
- Prev->NextQh = Qh->NextQh;
- Prev->QhHw.HorizonLink = Qh->QhHw.HorizonLink;
+ Prev->NextQh = Qh->NextQh;
+ Prev->QhHw.HorizonLink = Qh->QhHw.HorizonLink;
}
}
}
-
/**
Check TDs Results.
@@ -413,18 +407,18 @@ UhciUnlinkQhFromFrameList ( **/
BOOLEAN
UhciCheckTdStatus (
- IN USB_HC_DEV *Uhc,
- IN UHCI_TD_SW *Td,
- IN BOOLEAN IsLow,
- OUT UHCI_QH_RESULT *QhResult
+ IN USB_HC_DEV *Uhc,
+ IN UHCI_TD_SW *Td,
+ IN BOOLEAN IsLow,
+ OUT UHCI_QH_RESULT *QhResult
)
{
- UINTN Len;
- UINT8 State;
- UHCI_TD_HW *TdHw;
- BOOLEAN Finished;
+ UINTN Len;
+ UINT8 State;
+ UHCI_TD_HW *TdHw;
+ BOOLEAN Finished;
- Finished = TRUE;
+ Finished = TRUE;
//
// Initialize the data toggle to that of the first
@@ -457,7 +451,6 @@ UhciCheckTdStatus ( if ((State & USBTD_STALLED) != 0) {
if ((State & USBTD_BABBLE) != 0) {
QhResult->Result |= EFI_USB_ERR_BABBLE;
-
} else if (TdHw->ErrorCount != 0) {
QhResult->Result |= EFI_USB_ERR_STALL;
}
@@ -480,7 +473,6 @@ UhciCheckTdStatus ( Finished = TRUE;
goto ON_EXIT;
-
} else if ((State & USBTD_ACTIVE) != 0) {
//
// The TD is still active, no need to check further.
@@ -489,14 +481,13 @@ UhciCheckTdStatus ( Finished = FALSE;
goto ON_EXIT;
-
} else {
//
// Update the next data toggle, it is always the
// next to the last known-good TD's data toggle if
// any TD is executed OK
//
- QhResult->NextToggle = (UINT8) (1 - (UINT8)TdHw->DataToggle);
+ QhResult->NextToggle = (UINT8)(1 - (UINT8)TdHw->DataToggle);
//
// This TD is finished OK or met short packet read. Update the
@@ -530,7 +521,7 @@ ON_EXIT: //
if (!UhciIsHcWorking (Uhc->PciIo)) {
QhResult->Result |= EFI_USB_ERR_SYSTEM;
- Finished = TRUE;
+ Finished = TRUE;
}
if (Finished) {
@@ -541,7 +532,6 @@ ON_EXIT: return Finished;
}
-
/**
Check the result of the transfer.
@@ -558,19 +548,19 @@ ON_EXIT: **/
EFI_STATUS
UhciExecuteTransfer (
- IN USB_HC_DEV *Uhc,
- IN UHCI_QH_SW *Qh,
- IN UHCI_TD_SW *Td,
- IN UINTN TimeOut,
- IN BOOLEAN IsLow,
- OUT UHCI_QH_RESULT *QhResult
+ IN USB_HC_DEV *Uhc,
+ IN UHCI_QH_SW *Qh,
+ IN UHCI_TD_SW *Td,
+ IN UINTN TimeOut,
+ IN BOOLEAN IsLow,
+ OUT UHCI_QH_RESULT *QhResult
)
{
- UINTN Index;
- UINTN Delay;
- BOOLEAN Finished;
- EFI_STATUS Status;
- BOOLEAN InfiniteLoop;
+ UINTN Index;
+ UINTN Delay;
+ BOOLEAN Finished;
+ EFI_STATUS Status;
+ BOOLEAN InfiniteLoop;
Finished = FALSE;
Status = EFI_SUCCESS;
@@ -605,7 +595,6 @@ UhciExecuteTransfer ( UhciDumpTds (Td);
Status = EFI_TIMEOUT;
-
} else if (QhResult->Result != EFI_USB_NOERROR) {
DEBUG ((DEBUG_ERROR, "UhciExecuteTransfer: execution failed with result %x\n", QhResult->Result));
UhciDumpQh (Qh);
@@ -617,7 +606,6 @@ UhciExecuteTransfer ( return Status;
}
-
/**
Update Async Request, QH and TDs.
@@ -635,12 +623,12 @@ UhciUpdateAsyncReq ( IN UINT32 NextToggle
)
{
- UHCI_QH_SW *Qh;
- UHCI_TD_SW *FirstTd;
- UHCI_TD_SW *Td;
+ UHCI_QH_SW *Qh;
+ UHCI_TD_SW *FirstTd;
+ UHCI_TD_SW *Td;
- Qh = AsyncReq->QhSw;
- FirstTd = AsyncReq->FirstTd;
+ Qh = AsyncReq->QhSw;
+ FirstTd = AsyncReq->FirstTd;
if (Result == EFI_USB_NOERROR) {
//
@@ -659,11 +647,10 @@ UhciUpdateAsyncReq ( }
UhciLinkTdToQh (Uhc, Qh, FirstTd);
- return ;
+ return;
}
}
-
/**
Create Async Request node, and Link to List.
@@ -699,7 +686,7 @@ UhciCreateAsyncReq ( IN BOOLEAN IsLow
)
{
- UHCI_ASYNC_REQUEST *AsyncReq;
+ UHCI_ASYNC_REQUEST *AsyncReq;
AsyncReq = AllocatePool (sizeof (UHCI_ASYNC_REQUEST));
@@ -710,17 +697,17 @@ UhciCreateAsyncReq ( //
// Fill Request field. Data is allocated host memory, not mapped
//
- AsyncReq->Signature = UHCI_ASYNC_INT_SIGNATURE;
- AsyncReq->DevAddr = DevAddr;
- AsyncReq->EndPoint = EndPoint;
- AsyncReq->DataLen = DataLen;
- AsyncReq->Interval = UhciConvertPollRate(Interval);
- AsyncReq->Data = Data;
- AsyncReq->Callback = Callback;
- AsyncReq->Context = Context;
- AsyncReq->QhSw = Qh;
- AsyncReq->FirstTd = FirstTd;
- AsyncReq->IsLow = IsLow;
+ AsyncReq->Signature = UHCI_ASYNC_INT_SIGNATURE;
+ AsyncReq->DevAddr = DevAddr;
+ AsyncReq->EndPoint = EndPoint;
+ AsyncReq->DataLen = DataLen;
+ AsyncReq->Interval = UhciConvertPollRate (Interval);
+ AsyncReq->Data = Data;
+ AsyncReq->Callback = Callback;
+ AsyncReq->Context = Context;
+ AsyncReq->QhSw = Qh;
+ AsyncReq->FirstTd = FirstTd;
+ AsyncReq->IsLow = IsLow;
//
// Insert the new interrupt transfer to the head of the list.
@@ -733,7 +720,6 @@ UhciCreateAsyncReq ( return EFI_SUCCESS;
}
-
/**
Free an asynchronous request's resource such as memory.
@@ -743,8 +729,8 @@ UhciCreateAsyncReq ( **/
VOID
UhciFreeAsyncReq (
- IN USB_HC_DEV *Uhc,
- IN UHCI_ASYNC_REQUEST *AsyncReq
+ IN USB_HC_DEV *Uhc,
+ IN UHCI_ASYNC_REQUEST *AsyncReq
)
{
ASSERT ((Uhc != NULL) && (AsyncReq != NULL));
@@ -759,7 +745,6 @@ UhciFreeAsyncReq ( gBS->FreePool (AsyncReq);
}
-
/**
Unlink an asynchronous request's from UHC's asynchronus list.
also remove the queue head from the frame list. If FreeNow,
@@ -775,9 +760,9 @@ UhciFreeAsyncReq ( **/
VOID
UhciUnlinkAsyncReq (
- IN USB_HC_DEV *Uhc,
- IN UHCI_ASYNC_REQUEST *AsyncReq,
- IN BOOLEAN FreeNow
+ IN USB_HC_DEV *Uhc,
+ IN UHCI_ASYNC_REQUEST *AsyncReq,
+ IN BOOLEAN FreeNow
)
{
ASSERT ((Uhc != NULL) && (AsyncReq != NULL));
@@ -793,12 +778,11 @@ UhciUnlinkAsyncReq ( // then add AsyncReq to UHC's recycle list
//
AsyncReq->QhSw->QhHw.VerticalLink = QH_VLINK (NULL, TRUE);
- AsyncReq->Recycle = Uhc->RecycleWait;
- Uhc->RecycleWait = AsyncReq;
+ AsyncReq->Recycle = Uhc->RecycleWait;
+ Uhc->RecycleWait = AsyncReq;
}
}
-
/**
Delete Async Interrupt QH and TDs.
@@ -814,10 +798,10 @@ UhciUnlinkAsyncReq ( **/
EFI_STATUS
UhciRemoveAsyncReq (
- IN USB_HC_DEV *Uhc,
- IN UINT8 DevAddr,
- IN UINT8 EndPoint,
- OUT UINT8 *Toggle
+ IN USB_HC_DEV *Uhc,
+ IN UINT8 DevAddr,
+ IN UINT8 EndPoint,
+ OUT UINT8 *Toggle
)
{
EFI_STATUS Status;
@@ -842,14 +826,13 @@ UhciRemoveAsyncReq ( Link = Uhc->AsyncIntList.ForwardLink;
do {
- AsyncReq = UHCI_ASYNC_INT_FROM_LINK (Link);
- Link = Link->ForwardLink;
+ AsyncReq = UHCI_ASYNC_INT_FROM_LINK (Link);
+ Link = Link->ForwardLink;
if ((AsyncReq->DevAddr == DevAddr) && (AsyncReq->EndPoint == EndPoint)) {
Found = TRUE;
break;
}
-
} while (Link != &(Uhc->AsyncIntList));
if (!Found) {
@@ -870,7 +853,6 @@ UhciRemoveAsyncReq ( return Status;
}
-
/**
Recycle the asynchronouse request. When a queue head
is unlinked from frame list, host controller hardware
@@ -889,26 +871,24 @@ UhciRemoveAsyncReq ( **/
VOID
UhciRecycleAsyncReq (
- IN USB_HC_DEV *Uhc
+ IN USB_HC_DEV *Uhc
)
{
- UHCI_ASYNC_REQUEST *Req;
- UHCI_ASYNC_REQUEST *Next;
+ UHCI_ASYNC_REQUEST *Req;
+ UHCI_ASYNC_REQUEST *Next;
Req = Uhc->Recycle;
while (Req != NULL) {
Next = Req->Recycle;
UhciFreeAsyncReq (Uhc, Req);
- Req = Next;
+ Req = Next;
}
Uhc->Recycle = Uhc->RecycleWait;
Uhc->RecycleWait = NULL;
}
-
-
/**
Release all the asynchronous transfers on the lsit.
@@ -917,11 +897,11 @@ UhciRecycleAsyncReq ( **/
VOID
UhciFreeAllAsyncReq (
- IN USB_HC_DEV *Uhc
+ IN USB_HC_DEV *Uhc
)
{
- LIST_ENTRY *Head;
- UHCI_ASYNC_REQUEST *AsyncReq;
+ LIST_ENTRY *Head;
+ UHCI_ASYNC_REQUEST *AsyncReq;
//
// Call UhciRecycleAsyncReq twice. The requests on Recycle
@@ -938,12 +918,11 @@ UhciFreeAllAsyncReq ( }
while (!IsListEmpty (Head)) {
- AsyncReq = UHCI_ASYNC_INT_FROM_LINK (Head->ForwardLink);
+ AsyncReq = UHCI_ASYNC_INT_FROM_LINK (Head->ForwardLink);
UhciUnlinkAsyncReq (Uhc, AsyncReq, TRUE);
}
}
-
/**
Interrupt transfer periodic check handler.
@@ -954,18 +933,18 @@ UhciFreeAllAsyncReq ( VOID
EFIAPI
UhciMonitorAsyncReqList (
- IN EFI_EVENT Event,
- IN VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
)
{
- UHCI_ASYNC_REQUEST *AsyncReq;
- LIST_ENTRY *Link;
- USB_HC_DEV *Uhc;
- VOID *Data;
- BOOLEAN Finished;
- UHCI_QH_RESULT QhResult;
+ UHCI_ASYNC_REQUEST *AsyncReq;
+ LIST_ENTRY *Link;
+ USB_HC_DEV *Uhc;
+ VOID *Data;
+ BOOLEAN Finished;
+ UHCI_QH_RESULT QhResult;
- Uhc = (USB_HC_DEV *) Context;
+ Uhc = (USB_HC_DEV *)Context;
//
// Recycle the asynchronous requests expired, and promote
@@ -975,7 +954,7 @@ UhciMonitorAsyncReqList ( UhciRecycleAsyncReq (Uhc);
if (IsListEmpty (&(Uhc->AsyncIntList))) {
- return ;
+ return;
}
//
@@ -984,8 +963,8 @@ UhciMonitorAsyncReqList ( Link = Uhc->AsyncIntList.ForwardLink;
do {
- AsyncReq = UHCI_ASYNC_INT_FROM_LINK (Link);
- Link = Link->ForwardLink;
+ AsyncReq = UHCI_ASYNC_INT_FROM_LINK (Link);
+ Link = Link->ForwardLink;
Finished = UhciCheckTdStatus (Uhc, AsyncReq->FirstTd, AsyncReq->IsLow, &QhResult);
@@ -1004,7 +983,7 @@ UhciMonitorAsyncReqList ( Data = AllocatePool (QhResult.Complete);
if (Data == NULL) {
- return ;
+ return;
}
CopyMem (Data, AsyncReq->FirstTd->Data, QhResult.Complete);
|