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* Removed the two extra submit functions and combined them directly into SubmitTransfer()

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* The sparation based on async and periodic schedule made no sense as it is a question of queued/non-queued
* Therefore removed the near complete code duplication for adding interrupt transfers (that are also queued)

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22943 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz 2007-11-18 01:25:04 +00:00
parent ed1eff2fec
commit 7f07482988
2 changed files with 14 additions and 81 deletions
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91
src/add-ons/kernel/busses/usb/ehci.cpp
View File

@ -410,34 +410,18 @@ EHCI::SubmitTransfer(Transfer *transfer)
if (transfer->TransferPipe()->DeviceAddress() == fRootHubAddress)
return fRootHub->ProcessTransfer(this, transfer);
uint32 type = transfer->TransferPipe()->Type();
if ((type & USB_OBJECT_CONTROL_PIPE) > 0
|| (type & USB_OBJECT_BULK_PIPE) > 0) {
TRACE(("usb_ehci: submitting async transfer\n"));
return SubmitAsyncTransfer(transfer);
}
if ((type & USB_OBJECT_INTERRUPT_PIPE) > 0
|| (type & USB_OBJECT_ISO_PIPE) > 0) {
TRACE(("usb_ehci: submitting periodic transfer\n"));
return SubmitPeriodicTransfer(transfer);
}
TRACE_ERROR(("usb_ehci: tried to submit transfer for unknown pipe type %lu\n", type));
Pipe *pipe = transfer->TransferPipe();
if (pipe->Type() & USB_OBJECT_ISO_PIPE) {
// ToDo: implement isochronous transfers...
return B_ERROR;
}
}
status_t
EHCI::SubmitAsyncTransfer(Transfer *transfer)
{
ehci_qh *queueHead = CreateQueueHead();
if (!queueHead) {
TRACE_ERROR(("usb_ehci: failed to allocate async queue head\n"));
TRACE_ERROR(("usb_ehci: failed to allocate queue head\n"));
return B_NO_MEMORY;
}
Pipe *pipe = transfer->TransferPipe();
status_t result = InitQueueHead(queueHead, pipe);
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to init queue head\n"));
@ -447,12 +431,13 @@ EHCI::SubmitAsyncTransfer(Transfer *transfer)
bool directionIn;
ehci_qtd *dataDescriptor;
if (pipe->Type() & USB_OBJECT_CONTROL_PIPE)
if (pipe->Type() & USB_OBJECT_CONTROL_PIPE) {
result = FillQueueWithRequest(transfer, queueHead, &dataDescriptor,
&directionIn);
else
} else {
result = FillQueueWithData(transfer, queueHead, &dataDescriptor,
&directionIn);
}
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to fill transfer queue with data\n"));
@ -472,64 +457,14 @@ EHCI::SubmitAsyncTransfer(Transfer *transfer)
print_queue(queueHead);
#endif
if (pipe->Type() & USB_OBJECT_INTERRUPT_PIPE) {
uint8 interval = ((InterruptPipe *)pipe)->Interval();
result = LinkInterruptQueueHead(queueHead, interval);
} else
result = LinkQueueHead(queueHead);
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to link queue head to the async list\n"));
FreeQueueHead(queueHead);
return result;
}
return B_OK;
}
status_t
EHCI::SubmitPeriodicTransfer(Transfer *transfer)
{
Pipe *pipe = transfer->TransferPipe();
if ((pipe->Type() & USB_OBJECT_INTERRUPT_PIPE) == 0)
return B_ERROR;
ehci_qh *queueHead = CreateQueueHead();
if (!queueHead) {
TRACE_ERROR(("usb_ehci: failed to allocate periodic queue head\n"));
return B_NO_MEMORY;
}
status_t result = InitQueueHead(queueHead, pipe);
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to init queue head\n"));
FreeQueueHead(queueHead);
return result;
}
bool directionIn;
ehci_qtd *dataDescriptor;
result = FillQueueWithData(transfer, queueHead, &dataDescriptor,
&directionIn);
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to fill transfer queue with data\n"));
FreeQueueHead(queueHead);
return result;
}
result = AddPendingTransfer(transfer, queueHead, dataDescriptor, directionIn);
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to add pending transfer\n"));
FreeQueueHead(queueHead);
return result;
}
#ifdef TRACE_USB
TRACE(("usb_ehci: linking interrupt queue\n"));
print_queue(queueHead);
#endif
result = LinkInterruptQueueHead(queueHead,
((InterruptPipe *)pipe)->Interval());
if (result < B_OK) {
TRACE_ERROR(("usb_ehci: failed to link queue head to the async list\n"));
TRACE_ERROR(("usb_ehci: failed to link queue head\n"));
FreeQueueHead(queueHead);
return result;
}

2
src/add-ons/kernel/busses/usb/ehci.h
View File

@ -35,8 +35,6 @@ public:
status_t Start();
virtual status_t SubmitTransfer(Transfer *transfer);
status_t SubmitPeriodicTransfer(Transfer *transfer);
status_t SubmitAsyncTransfer(Transfer *transfer);
virtual status_t CancelQueuedTransfers(Pipe *pipe, bool force);
virtual status_t NotifyPipeChange(Pipe *pipe,