release/src-rt/linux/linux-2.6/fs/exfat/exfat_oal.h

   1 /*
   2  *  Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
   3  *
   4  *  This program is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU General Public License
   6  *  as published by the Free Software Foundation; either version 2
   7  *  of the License, or (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 /************************************************************************/
  20 /*                                                                      */
  21 /*  PROJECT : exFAT & FAT12/16/32 File System                           */
  22 /*  FILE    : exfat_oal.h                                               */
  23 /*  PURPOSE : Header File for exFAT OS Adaptation Layer                 */
  24 /*            (Semaphore Functions & Real-Time Clock Functions)         */
  25 /*                                                                      */
  26 /*----------------------------------------------------------------------*/
  27 /*  NOTES                                                               */
  28 /*                                                                      */
  29 /*----------------------------------------------------------------------*/
  30 /*  REVISION HISTORY (Ver 0.9)                                          */
  31 /*                                                                      */
  32 /*  - 2010.11.15 [Joosun Hahn] : first writing                          */
  33 /*                                                                      */
  34 /************************************************************************/
  35
  36 #ifndef _EXFAT_OAL_H
  37 #define _EXFAT_OAL_H
  38
  39 #include "exfat_config.h"
  40 #include "exfat_global.h"
  41 #include <linux/version.h>
  42
  43 #ifdef __cplusplus
  44 extern "C" {
  45 #endif /* __cplusplus */
  46
  47   /*----------------------------------------------------------------------*/
  48         /*  Constant & Macro Definitions (Configurable)                         */
  49         /*----------------------------------------------------------------------*/
  50
  51         /*----------------------------------------------------------------------*/
  52         /*  Constant & Macro Definitions (Non-Configurable)                     */
  53         /*----------------------------------------------------------------------*/
  54
  55         /*----------------------------------------------------------------------*/
  56         /*  Type Definitions                                                    */
  57         /*----------------------------------------------------------------------*/
  58
  59         typedef struct {
  60                 UINT16      sec;        /* 0 ~ 59               */
  61                 UINT16      min;        /* 0 ~ 59               */
  62                 UINT16      hour;       /* 0 ~ 23               */
  63                 UINT16      day;        /* 1 ~ 31               */
  64                 UINT16      mon;        /* 1 ~ 12               */
  65                 UINT16      year;       /* 0 ~ 127 (since 1980) */
  66         } TIMESTAMP_T;
  67
  68         /*----------------------------------------------------------------------*/
  69         /*  External Function Declarations                                      */
  70         /*----------------------------------------------------------------------*/
  71
  72 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
  73 #define DECLARE_MUTEX(m) DEFINE_SEMAPHORE(m)
  74 #endif
  75
  76         INT32 sm_init(struct semaphore *sm);
  77         INT32 sm_P(struct semaphore *sm);
  78         void  sm_V(struct semaphore *sm);
  79
  80         TIMESTAMP_T *tm_current(TIMESTAMP_T *tm);
  81
  82 #ifdef __cplusplus
  83 }
  84 #endif /* __cplusplus  */
  85
  86 #endif /* _EXFAT_OAL_H */
  87
  88 /* end of exfat_oal.h */