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kernel/linux-imx6_3.14.28/drivers/isdn/mISDN/fsm.h 1.67 KB
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  /*
   *
   * Author       Karsten Keil <kkeil@novell.com>
   *
   * Thanks to    Jan den Ouden
   *              Fritz Elfert
   * Copyright 2008  by Karsten Keil <kkeil@novell.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * 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.
   *
   */
  
  #ifndef _MISDN_FSM_H
  #define _MISDN_FSM_H
  
  #include <linux/timer.h>
  
  /* Statemachine */
  
  struct FsmInst;
  
  typedef void (*FSMFNPTR)(struct FsmInst *, int, void *);
  
  struct Fsm {
  	FSMFNPTR *jumpmatrix;
  	int state_count, event_count;
  	char **strEvent, **strState;
  };
  
  struct FsmInst {
  	struct Fsm *fsm;
  	int state;
  	int debug;
  	void *userdata;
  	int userint;
  	void (*printdebug) (struct FsmInst *, char *, ...);
  };
  
  struct FsmNode {
  	int state, event;
  	void (*routine) (struct FsmInst *, int, void *);
  };
  
  struct FsmTimer {
  	struct FsmInst *fi;
  	struct timer_list tl;
  	int event;
  	void *arg;
  };
  
  extern void mISDN_FsmNew(struct Fsm *, struct FsmNode *, int);
  extern void mISDN_FsmFree(struct Fsm *);
  extern int mISDN_FsmEvent(struct FsmInst *, int , void *);
  extern void mISDN_FsmChangeState(struct FsmInst *, int);
  extern void mISDN_FsmInitTimer(struct FsmInst *, struct FsmTimer *);
  extern int mISDN_FsmAddTimer(struct FsmTimer *, int, int, void *, int);
  extern void mISDN_FsmRestartTimer(struct FsmTimer *, int, int, void *, int);
  extern void mISDN_FsmDelTimer(struct FsmTimer *, int);
  
  #endif