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diff --git a/drivers/staging/vt6656/tmacro.h b/drivers/staging/vt6656/tmacro.h
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+/*
+ * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * File: tmacro.h
+ *
+ * Purpose: define basic common types and macros
+ *
+ * Author: Tevin Chen
+ *
+ * Date: May 21, 1996
+ *
+ */
+
+#ifndef __TMACRO_H__
+#define __TMACRO_H__
+
+#include "ttype.h"
+
+/****** Common helper macros ***********************************************/
+
+#if !defined(LOBYTE)
+#define LOBYTE(w) ((BYTE)(w))
+#endif
+#if !defined(HIBYTE)
+#define HIBYTE(w) ((BYTE)(((WORD)(w) >> 8) & 0xFF))
+#endif
+
+#if !defined(LOWORD)
+#define LOWORD(d) ((WORD)(d))
+#endif
+#if !defined(HIWORD)
+#define HIWORD(d) ((WORD)((((DWORD)(d)) >> 16) & 0xFFFF))
+#endif
+
+#define LODWORD(q) ((q).u.dwLowDword)
+#define HIDWORD(q) ((q).u.dwHighDword)
+
+#if !defined(MAKEWORD)
+#define MAKEWORD(lb, hb) ((WORD)(((BYTE)(lb)) | (((WORD)((BYTE)(hb))) << 8)))
+#endif
+#if !defined(MAKEDWORD)
+#define MAKEDWORD(lw, hw) ((DWORD)(((WORD)(lw)) | (((DWORD)((WORD)(hw))) << 16)))
+#endif
+
+#endif // __TMACRO_H__
+
+