drivers/staging/vt6656/ttype.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * File: ttype.h
  20  *
  21  * Purpose: define basic common types and macros
  22  *
  23  * Author: Tevin Chen
  24  *
  25  * Date: May 21, 1996
  26  *
  27  */
  28
  29 #ifndef __TTYPE_H__
  30 #define __TTYPE_H__
  31
  32 /******* Common definitions and typedefs ***********************************/
  33
  34 typedef int             BOOL;
  35
  36 #if !defined(TRUE)
  37 #define TRUE            1
  38 #endif
  39 #if !defined(FALSE)
  40 #define FALSE           0
  41 #endif
  42
  43 /****** Simple typedefs  ***************************************************/
  44
  45 typedef unsigned char   BYTE;           //  8-bit
  46 typedef unsigned short  WORD;           // 16-bit
  47 typedef unsigned long   DWORD;          // 32-bit
  48
  49 // QWORD is for those situation that we want
  50 // an 8-byte-aligned 8 byte long structure
  51 // which is NOT really a floating point number.
  52 typedef union tagUQuadWord {
  53     struct {
  54         DWORD   dwLowDword;
  55         DWORD   dwHighDword;
  56     } u;
  57     double      DoNotUseThisField;
  58 } UQuadWord;
  59 typedef UQuadWord       QWORD;          // 64-bit
  60
  61 /****** Common pointer types ***********************************************/
  62
  63 typedef unsigned long   ULONG_PTR;      // 32-bit
  64 typedef unsigned long   DWORD_PTR;      // 32-bit
  65
  66 // boolean pointer
  67
  68 typedef BYTE *           PBYTE;
  69
  70 typedef WORD *           PWORD;
  71
  72 typedef DWORD *          PDWORD;
  73
  74 typedef QWORD *          PQWORD;
  75
  76 #endif /* __TTYPE_H__ */