drivers/staging/vt6655/tmacro.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4  * All rights reserved.
   5  *
   6  * File: tmacro.h
   7  *
   8  * Purpose: define basic common types and macros
   9  *
  10  * Author: Tevin Chen
  11  *
  12  * Date: May 21, 1996
  13  *
  14  */
  15
  16 #ifndef __TMACRO_H__
  17 #define __TMACRO_H__
  18
  19 /****** Common helper macros ***********************************************/
  20
  21 #if !defined(LOBYTE)
  22 #define LOBYTE(w)           ((unsigned char)(w))
  23 #endif
  24 #if !defined(HIBYTE)
  25 #define HIBYTE(w)           ((unsigned char)(((unsigned short)(w) >> 8) & 0xFF))
  26 #endif
  27
  28 #if !defined(LOWORD)
  29 #define LOWORD(d)           ((unsigned short)(d))
  30 #endif
  31 #if !defined(HIWORD)
  32 #define HIWORD(d)           ((unsigned short)((((unsigned long)(d)) >> 16) & 0xFFFF))
  33 #endif
  34
  35 #define LODWORD(q)          ((q).u.dwLowDword)
  36 #define HIDWORD(q)          ((q).u.dwHighDword)
  37
  38 #if !defined(MAKEWORD)
  39 #define MAKEWORD(lb, hb)    ((unsigned short)(((unsigned char)(lb)) | (((unsigned short)((unsigned char)(hb))) << 8)))
  40 #endif
  41 #if !defined(MAKEDWORD)
  42 #define MAKEDWORD(lw, hw)   ((unsigned long)(((unsigned short)(lw)) | (((unsigned long)((unsigned short)(hw))) << 16)))
  43 #endif
  44
  45 #endif /* __TMACRO_H__ */