Lines Matching +full:local +full:- +full:timer +full:- +full:stop

1 // SPDX-License-Identifier: GPL-2.0-or-later
14  * Timer Driver for FBI board (timer chip 82C54)
20  *	28-Jun-1994 sw	Edit v1.6.
21  *			MCA: Added support for the SK-NET FDDI-FM2 adapter. The
31  * Prototypes of local functions.
33 /* 28-Jun-1994 sw - Note: hwt_restart() is also used in module 'drvfbi.c'. */
40  *	Start hardware timer (clock ticks are 16us).
46  *	smc - A pointer to the SMT Context structure.
48  *	time - The time in units of 16us to load the timer with.
62 	smc->hw.t_start = time ;  in hwt_start()
63 	smc->hw.t_stop = 0L ;  in hwt_start()
73 	outpd(ADDR(B2_TI_INI), (u_long) cnt * 200) ;	/* Load timer value. */  in hwt_start()
74 	outpw(ADDR(B2_TI_CRTL), TIM_START) ;		/* Start timer. */  in hwt_start()
76 	smc->hw.timer_activ = TRUE ;  in hwt_start()
83  *	Stop hardware timer.
88  *	smc - A pointer to the SMT Context structure.
98 	smc->hw.timer_activ = FALSE ;  in hwt_stop()
105  *	Initialize hardware timer.
110  *	smc - A pointer to the SMT Context structure.
117 	smc->hw.t_start = 0 ;  in hwt_init()
118 	smc->hw.t_stop	= 0 ;  in hwt_init()
119 	smc->hw.timer_activ = FALSE ;  in hwt_init()
128  *	Clear timer interrupt.
133  *	smc - A pointer to the SMT Context structure.
147  *	Stop hardware timer and read time elapsed since last start.
151  *	smc - A pointer to the SMT Context structure.
161 	if (smc->hw.timer_activ) {  in hwt_read()
166 		/* Check if timer expired (or wraparound). */  in hwt_read()
167 		if ((tr > smc->hw.t_start) || (is & IS_TIMINT)) {  in hwt_read()
169 			smc->hw.t_stop = smc->hw.t_start ;  in hwt_read()
172 			smc->hw.t_stop = smc->hw.t_start - tr ;  in hwt_read()
174 	return smc->hw.t_stop;  in hwt_read()
182  *	Stop hardware timer and read timer value and start the timer again.
186  *	smc - A pointer to the SMT Context structure.
188  *	current timer value in units of 80ns.
216  * NOTE: The function will return immediately, if the timer is not
226 	 * check if timer is running  in hwt_wait_time()
228 	if (smc->hw.timer_activ == FALSE ||  in hwt_wait_time()
236 			diff = (long)(start - hwt_quick_read(smc)) ;  in hwt_wait_time()