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/** @file
Copyright (c) 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
UhciDebug.c
Abstract:
This file provides the information dump support for Uhci when in debug mode.
You can dynamically adjust the debug level by changing variable gEHCDebugLevel
and gEHCErrorLevel.
Revision History
**/
#include "Uhci.h"
#include "UhciDebug.h"
#ifdef EFI_DEBUG
UINTN mUhciDebugMask = USB_DEBUG_FORCE_OUTPUT;
/**
Debug debug print interface for UHCI
@param Format String to use for the print, followed by print arguments
@return None
**/
VOID
UhciDebug (
IN CHAR8 *Format,
...
)
{
VA_LIST Marker;
VA_START (Marker, Format);
DebugVPrint (DEBUG_INFO, Format, Marker);
VA_END (Marker);
}
/**
Debug error print interface for UHCI
@param Format String to use for the print, followed by print arguments
@return None
**/
VOID
UhciError (
IN CHAR8 *Format,
...
)
{
VA_LIST Marker;
VA_START (Marker, Format);
DebugVPrint (DEBUG_ERROR, Format, Marker);
VA_END (Marker);
}
/**
Debug print interface for UHCI
@param Level Level to control debug print
@param Format String to use for the print, followed by print arguments
@return None
**/
VOID
UhciDebugPrint (
IN UINTN Level,
IN CHAR8 *Format,
...
)
{
VA_LIST Marker;
VA_START (Marker, Format);
if (Level & mUhciDebugMask) {
if (mUhciDebugMask & USB_DEBUG_FORCE_OUTPUT) {
DebugVPrint (DEBUG_ERROR, Format, Marker);
} else {
DebugVPrint (DEBUG_INFO, Format, Marker);
}
}
VA_END (Marker);
}
/**
Dump the content of QH structure
@param QhSw Pointer to software QH structure
@return None
**/
VOID
UhciDumpQh (
IN UHCI_QH_SW *QhSw
)
{
UINTN Level;
Level = UHCI_DEBUG_QH;
UhciDebugPrint (Level, "&QhSw @ 0x%x\n", QhSw);
UhciDebugPrint (Level, "QhSw.NextQh - 0x%x\n", QhSw->NextQh);
UhciDebugPrint (Level, "QhSw.TDs - 0x%x\n", QhSw->TDs);
UhciDebugPrint (Level, "QhSw.QhHw:\n");
UhciDebugPrint (Level, " Horizon Link - %x\n", QhSw->QhHw.HorizonLink);
UhciDebugPrint (Level, " Vertical Link - %x\n\n", QhSw->QhHw.VerticalLink);
}
/**
Dump the content of TD structure.
@param TdSw Pointer to software TD structure
@param IsCur Whether dump the whole list, or only dump the current TD
@return None
**/
VOID
UhciDumpTds (
IN UHCI_TD_SW *TdSw
)
{
UHCI_TD_SW *CurTdSw;
UINTN Level;
Level = UHCI_DEBUG_TD;
CurTdSw = TdSw;
while (CurTdSw != NULL) {
UhciDebugPrint (Level, "TdSw @ 0x%x\n", CurTdSw);
UhciDebugPrint (Level, "TdSw.NextTd - 0x%x\n", CurTdSw->NextTd);
UhciDebugPrint (Level, "TdSw.DataLen - %d\n", CurTdSw->DataLen);
UhciDebugPrint (Level, "TdSw.Data - 0x%x\n", CurTdSw->Data);
UhciDebugPrint (Level, "TdHw:\n");
UhciDebugPrint (Level, " NextLink - 0x%x\n", CurTdSw->TdHw.NextLink);
UhciDebugPrint (Level, " ActualLen - %d\n", CurTdSw->TdHw.ActualLen);
UhciDebugPrint (Level, " Status - 0x%x\n", CurTdSw->TdHw.Status);
UhciDebugPrint (Level, " IOC - %d\n", CurTdSw->TdHw.IntOnCpl);
UhciDebugPrint (Level, " IsIsoCh - %d\n", CurTdSw->TdHw.IsIsoch);
UhciDebugPrint (Level, " LowSpeed - %d\n", CurTdSw->TdHw.LowSpeed);
UhciDebugPrint (Level, " ErrorCount - %d\n", CurTdSw->TdHw.ErrorCount);
UhciDebugPrint (Level, " ShortPacket - %d\n", CurTdSw->TdHw.ShortPacket);
UhciDebugPrint (Level, " PidCode - 0x%x\n", CurTdSw->TdHw.PidCode);
UhciDebugPrint (Level, " DevAddr - %d\n", CurTdSw->TdHw.DeviceAddr);
UhciDebugPrint (Level, " EndPoint - %d\n", CurTdSw->TdHw.EndPoint);
UhciDebugPrint (Level, " DataToggle - %d\n", CurTdSw->TdHw.DataToggle);
UhciDebugPrint (Level, " MaxPacketLen - %d\n", CurTdSw->TdHw.MaxPacketLen);
UhciDebugPrint (Level, " DataBuffer - 0x%x\n\n",CurTdSw->TdHw.DataBuffer);
CurTdSw = CurTdSw->NextTd;
}
}
#endif
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