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[USBOHCI]

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- Add a OHCI reset hack based on Linux code

svn path=/trunk/; revision=55948
This commit is contained in:
Cameron Gutman 2012-03-01 18:05:59 +00:00
parent 51220b9ed1
commit 9c50c787b4
1 changed files with 195 additions and 226 deletions
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421
reactos/drivers/usb/usbohci/hardware.cpp
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@ -367,18 +367,6 @@ CUSBHardwareDevice::PnpStart(
return Status;
}
//
// Stop the controller before modifying schedules
//
Status = StopController();
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to stop the controller \n");
return Status;
}
//
// Start the controller
//
@ -468,7 +456,195 @@ CUSBHardwareDevice::GetUSBQueue(
NTSTATUS
CUSBHardwareDevice::StartController(void)
{
ULONG Control, Descriptor, FrameInterval, Periodic, Port;
ULONG Control, Descriptor, FrameInterval, Periodic, Port, Reset, Index;
ULONG NewControl, WaitInMs;
LARGE_INTEGER Timeout;
BOOLEAN Again = FALSE;
//
// check context
//
Control = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET));
//Save this
NewControl = Control & OHCI_REMOTE_WAKEUP_CONNECTED;
if ((Control & OHCI_INTERRUPT_ROUTING))
{
//
// change ownership
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_COMMAND_STATUS_OFFSET), OHCI_OWNERSHIP_CHANGE_REQUEST);
for(Index = 0; Index < 100; Index++)
{
//
// wait a bit
//
KeStallExecutionProcessor(100);
//
// check control
//
Control = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET));
if (!(Control & OHCI_INTERRUPT_ROUTING))
{
//
// acquired ownership
//
break;
}
}
//
// if the ownership is still not changed, perform reset
//
if (Control & OHCI_INTERRUPT_ROUTING)
{
DPRINT1("SMM not responding\n");
}
else
{
DPRINT1("SMM has given up ownership\n");
}
}
//
// read contents of control register
//
Control = (READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET)) & OHCI_HC_FUNCTIONAL_STATE_MASK);
DPRINT1("Controller State %x\n", Control);
switch (Control)
{
case OHCI_HC_FUNCTIONAL_STATE_RESET:
NewControl |= OHCI_HC_FUNCTIONAL_STATE_RESET;
WaitInMs = 50;
break;
case OHCI_HC_FUNCTIONAL_STATE_SUSPEND:
case OHCI_HC_FUNCTIONAL_STATE_RESUME:
NewControl |= OHCI_HC_FUNCTIONAL_STATE_RESUME;
WaitInMs = 10;
break;
default:
WaitInMs = 0;
break;
}
retry:
if (WaitInMs != 0)
{
// Do the state transition
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), NewControl);
if (!Again)
{
//
// delay is 100 ms
//
Timeout.QuadPart = WaitInMs;
DPRINT1("Waiting %d milliseconds for controller to transition state\n", Timeout.LowPart);
//
// convert to 100 ns units (absolute)
//
Timeout.QuadPart *= -10000;
//
// perform the wait
//
KeDelayExecutionThread(KernelMode, FALSE, &Timeout);
}
}
//
// now reset controller
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_COMMAND_STATUS_OFFSET), OHCI_HOST_CONTROLLER_RESET);
//
// reset time is 10ms
//
for(Index = 0; Index < 100; Index++)
{
//
// wait a bit
//
KeStallExecutionProcessor(10);
//
// read command status
//
Reset = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_COMMAND_STATUS_OFFSET));
//
// was reset bit cleared
//
if ((Reset & OHCI_HOST_CONTROLLER_RESET) == 0)
{
//
// controller completed reset
//
break;
}
}
if ((Reset & OHCI_HOST_CONTROLLER_RESET))
{
//
// failed to reset controller
//
return STATUS_UNSUCCESSFUL;
}
//
// get frame interval
//
FrameInterval = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET));
m_IntervalValue = OHCI_GET_INTERVAL_VALUE(FrameInterval);
FrameInterval = ((FrameInterval & OHCI_FRAME_INTERVAL_TOGGLE) ^ OHCI_FRAME_INTERVAL_TOGGLE);
DPRINT1("FrameInterval %x IntervalValue %x\n", FrameInterval, m_IntervalValue);
FrameInterval |= OHCI_FSMPS(m_IntervalValue) | m_IntervalValue;
DPRINT1("Computed FrameInterval %x\n", FrameInterval);
//
// write frame interval
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET), FrameInterval);
FrameInterval = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET));
DPRINT1("Read FrameInterval %x\n", FrameInterval);
//
// 90 % periodic
//
Periodic = OHCI_PERIODIC(m_IntervalValue);
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_PERIODIC_START_OFFSET), Periodic);
DPRINT1("Computed Periodic Start %x\n", Periodic);
Periodic = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_PERIODIC_START_OFFSET));
DPRINT1("Read Periodic Start %x\n", Periodic);
// Linux does this hack for some bad controllers
if (!(FrameInterval & 0x3FFF0000) ||
!(Periodic))
{
if (!Again)
{
DPRINT1("Trying reset again on faulty controller\n");
Again = TRUE;
goto retry;
}
else
{
DPRINT1("Second reset didn't solve the problem, failing\n");
return STATUS_UNSUCCESSFUL;
}
}
//
// lets write physical address of dummy control endpoint descriptor
@ -532,23 +708,6 @@ CUSBHardwareDevice::StartController(void)
DPRINT1("Descriptor B: %x\n", Descriptor);
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_RH_DESCRIPTOR_B_OFFSET), Descriptor);
//
// get frame interval
//
FrameInterval = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET));
m_IntervalValue = OHCI_GET_INTERVAL_VALUE(FrameInterval);
FrameInterval = ((FrameInterval & OHCI_FRAME_INTERVAL_TOGGLE) ^ OHCI_FRAME_INTERVAL_TOGGLE);
DPRINT1("FrameInterval %x IntervalValue %x\n", FrameInterval, m_IntervalValue);
FrameInterval |= OHCI_FSMPS(m_IntervalValue) | m_IntervalValue;
DPRINT1("FrameInterval %x\n", FrameInterval);
//
// write frame interval
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET), FrameInterval);
//
// HCCA alignment check
//
@ -571,19 +730,15 @@ CUSBHardwareDevice::StartController(void)
//
// enable all queues
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), OHCI_ENABLE_LIST);
//
// 90 % periodic
//
Periodic = OHCI_PERIODIC(m_IntervalValue);
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_PERIODIC_START_OFFSET), Periodic);
DPRINT("Periodic Start %x\n", Periodic);
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), (NewControl & OHCI_REMOTE_WAKEUP_CONNECTED) | OHCI_ENABLE_LIST);
//
// start the controller
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), OHCI_ENABLE_LIST | OHCI_CONTROL_BULK_RATIO_1_4 | OHCI_HC_FUNCTIONAL_STATE_OPERATIONAL);
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), OHCI_ENABLE_LIST |
(NewControl & OHCI_REMOTE_WAKEUP_CONNECTED) |
OHCI_CONTROL_BULK_RATIO_1_4 |
OHCI_HC_FUNCTIONAL_STATE_OPERATIONAL);
//
// wait a bit
@ -836,194 +991,8 @@ CUSBHardwareDevice::InitializeController()
NTSTATUS
CUSBHardwareDevice::StopController(void)
{
ULONG Control, Reset;
ULONG Index, FrameInterval;
ASSERT(FALSE);
//
// check context
//
Control = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET));
if ((Control & OHCI_INTERRUPT_ROUTING))
{
//
// change ownership
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_COMMAND_STATUS_OFFSET), OHCI_OWNERSHIP_CHANGE_REQUEST);
for(Index = 0; Index < 100; Index++)
{
//
// wait a bit
//
KeStallExecutionProcessor(100);
//
// check control
//
Control = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET));
if (!(Control & OHCI_INTERRUPT_ROUTING))
{
//
// acquired ownership
//
break;
}
}
//
// if the ownership is still not changed, perform reset
//
if (Control & OHCI_INTERRUPT_ROUTING)
{
DPRINT1("SMM not responding\n");
}
else
{
DPRINT("SMM has given up ownership\n");
}
}
else
{
//
// read contents of control register
//
Control = (READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET)) & OHCI_HC_FUNCTIONAL_STATE_MASK);
DPRINT("Controller State %x\n", Control);
if (Control != OHCI_HC_FUNCTIONAL_STATE_RESET)
{
//
// OHCI 5.1.1.3.4, no SMM, BIOS active
//
if (Control != OHCI_HC_FUNCTIONAL_STATE_OPERATIONAL)
{
//
// lets resume
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), OHCI_HC_FUNCTIONAL_STATE_RESUME);
Index = 0;
do
{
//
// wait untill its resumed
//
KeStallExecutionProcessor(10);
//
// check control register
//
Control = (READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET)) & OHCI_HC_FUNCTIONAL_STATE_MASK);
if (Control == OHCI_HC_FUNCTIONAL_STATE_RESUME)
{
//
// it has resumed
//
break;
}
//
// check for time outs
//
Index++;
if(Index > 100)
{
DPRINT1("Failed to resume controller\n");
break;
}
}while(TRUE);
}
}
else
{
//
// 5.1.1.3.5 OHCI, no SMM, no BIOS
//
Index = 0;
//
// some controllers also depend on this
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET), OHCI_HC_FUNCTIONAL_STATE_RESET);
do
{
//
// wait untill its reset
//
KeStallExecutionProcessor(10);
//
// check control register
//
Control = (READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_CONTROL_OFFSET)) & OHCI_HC_FUNCTIONAL_STATE_MASK);
if (Control == OHCI_HC_FUNCTIONAL_STATE_RESET)
{
//
// it has reset
//
break;
}
//
// check for time outs
//
Index++;
if(Index > 100)
{
DPRINT1("Failed to reset controller\n");
break;
}
}while(TRUE);
}
}
//
// read from interval
//
FrameInterval = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_FRAME_INTERVAL_OFFSET));
//
// store interval value for later
//
m_IntervalValue = OHCI_GET_INTERVAL_VALUE(FrameInterval);
DPRINT1("FrameInterval %x Interval %x\n", FrameInterval, m_IntervalValue);
//
// now reset controller
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_COMMAND_STATUS_OFFSET), OHCI_HOST_CONTROLLER_RESET);
//
// reset time is 10ms
//
for(Index = 0; Index < 100; Index++)
{
//
// wait a bit
//
KeStallExecutionProcessor(10);
//
// read command status
//
Reset = READ_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_COMMAND_STATUS_OFFSET));
//
// was reset bit cleared
//
if ((Reset & OHCI_HOST_CONTROLLER_RESET) == 0)
{
//
// controller completed reset
//
return STATUS_SUCCESS;
}
}
//
// failed to reset controller
//
return STATUS_UNSUCCESSFUL;
}