break;
} while (TRUE);
+ //
+ // delay is 10 ms
+ //
+ Timeout.QuadPart = 10;
+ DPRINT1("Waiting %d milliseconds for port to recover after reset\n", Timeout.LowPart);
+
+ //
+ // convert to 100 ns units (absolute)
+ //
+ Timeout.QuadPart *= -10000;
+
+ //
+ // perform the wait
+ //
+ KeDelayExecutionThread(KernelMode, FALSE, &Timeout);
+
//
// check slow speed line after reset
//
+ PortStatus = EHCI_READ_REGISTER_ULONG(EHCI_PORTSC + (4 * PortIndex));
if (PortStatus & EHCI_PRT_SLOWSPEEDLINE)
{
DPRINT1("Non HighSpeed device. Releasing Ownership\n");
if (Status == C_PORT_CONNECTION)
{
+ LARGE_INTEGER Timeout;
+
+ //
+ // reset status change bits
+ //
Value = EHCI_READ_REGISTER_ULONG(EHCI_PORTSC + (4 * PortId));
Value |= EHCI_PRT_CONNECTSTATUSCHANGE | EHCI_PRT_ENABLEDSTATUSCHANGE;
EHCI_WRITE_REGISTER_ULONG(EHCI_PORTSC + (4 * PortId), Value);
+
+ //
+ // delay is 100 ms
+ //
+ Timeout.QuadPart = 100;
+ DPRINT1("Waiting %d milliseconds for port to stabilize after connection\n", Timeout.LowPart);
+
+ //
+ // convert to 100 ns units (absolute)
+ //
+ Timeout.QuadPart *= -10000;
+
+ //
+ // perform the wait
+ //
+ KeDelayExecutionThread(KernelMode, FALSE, &Timeout);
}
return STATUS_SUCCESS;
if (Status == C_PORT_CONNECTION || Status == C_PORT_ENABLE)
{
//
- // clear bits
+ // clear change bits
//
WRITE_REGISTER_ULONG((PULONG)((PUCHAR)m_Base + OHCI_RH_PORT_STATUS(PortId)), OHCI_RH_PORTSTATUS_CSC | OHCI_RH_PORTSTATUS_PESC);
+
+ //
+ // wait for port to stabilize
+ //
+ if (Status == C_PORT_CONNECTION)
+ {
+ LARGE_INTEGER Timeout;
+
+ //
+ // delay is 100 ms
+ //
+ Timeout.QuadPart = 100;
+ DPRINT1("Waiting %d milliseconds for port to stabilize after connection\n", Timeout.LowPart);
+
+ //
+ // convert to 100 ns units (absolute)
+ //
+ Timeout.QuadPart *= -10000;
+
+ //
+ // perform the wait
+ //
+ KeDelayExecutionThread(KernelMode, FALSE, &Timeout);
+ }
}
//
}
else if (Feature == PORT_RESET)
{
+ LARGE_INTEGER Timeout;
+
//
// assert
//
KeStallExecutionProcessor(100);
}while(TRUE);
+ //
+ // delay is 10 ms
+ //
+ Timeout.QuadPart = 10;
+ DPRINT1("Waiting %d milliseconds for port to recover after reset\n", Timeout.LowPart);
+
+ //
+ // convert to 100 ns units (absolute)
+ //
+ Timeout.QuadPart *= -10000;
+
+ //
+ // perform the wait
+ //
+ KeDelayExecutionThread(KernelMode, FALSE, &Timeout);
+
//
// trigger the status change interrupt
//