1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Author Karsten Keil <kkeil@novell.com> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Thanks to Jan den Ouden 7*4882a593Smuzhiyun * Fritz Elfert 8*4882a593Smuzhiyun * Copyright 2008 by Karsten Keil <kkeil@novell.com> 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef _MISDN_FSM_H 12*4882a593Smuzhiyun #define _MISDN_FSM_H 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <linux/timer.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* Statemachine */ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct FsmInst; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun typedef void (*FSMFNPTR)(struct FsmInst *, int, void *); 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct Fsm { 23*4882a593Smuzhiyun FSMFNPTR *jumpmatrix; 24*4882a593Smuzhiyun int state_count, event_count; 25*4882a593Smuzhiyun char **strEvent, **strState; 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun struct FsmInst { 29*4882a593Smuzhiyun struct Fsm *fsm; 30*4882a593Smuzhiyun int state; 31*4882a593Smuzhiyun int debug; 32*4882a593Smuzhiyun void *userdata; 33*4882a593Smuzhiyun int userint; 34*4882a593Smuzhiyun void (*printdebug) (struct FsmInst *, char *, ...); 35*4882a593Smuzhiyun }; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun struct FsmNode { 38*4882a593Smuzhiyun int state, event; 39*4882a593Smuzhiyun void (*routine) (struct FsmInst *, int, void *); 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct FsmTimer { 43*4882a593Smuzhiyun struct FsmInst *fi; 44*4882a593Smuzhiyun struct timer_list tl; 45*4882a593Smuzhiyun int event; 46*4882a593Smuzhiyun void *arg; 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun extern int mISDN_FsmNew(struct Fsm *, struct FsmNode *, int); 50*4882a593Smuzhiyun extern void mISDN_FsmFree(struct Fsm *); 51*4882a593Smuzhiyun extern int mISDN_FsmEvent(struct FsmInst *, int , void *); 52*4882a593Smuzhiyun extern void mISDN_FsmChangeState(struct FsmInst *, int); 53*4882a593Smuzhiyun extern void mISDN_FsmInitTimer(struct FsmInst *, struct FsmTimer *); 54*4882a593Smuzhiyun extern int mISDN_FsmAddTimer(struct FsmTimer *, int, int, void *, int); 55*4882a593Smuzhiyun extern void mISDN_FsmRestartTimer(struct FsmTimer *, int, int, void *, int); 56*4882a593Smuzhiyun extern void mISDN_FsmDelTimer(struct FsmTimer *, int); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #endif 59