[deliverable/linux.git] / include / asm-h8300 / timer.h

#ifndef __H8300_TIMER_H
#define __H8300_TIMER_H

void h8300_timer_tick(void);
void h8300_timer_setup(void);
void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,
		   unsigned int *hour, unsigned int *min, unsigned int *sec);

#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */

#define calc_param(cnt, div, rate, limit)			\
do {								\
	cnt = TIMER_FREQ / HZ;					\
	for (div = 0; div < ARRAY_SIZE(divide_rate); div++) {	\
		if (rate[div] == 0)				\
			continue;				\
		if ((cnt / rate[div]) > limit)			\
			break;					\
	}							\
	if (div == ARRAY_SIZE(divide_rate))			\
		panic("Timer counter overflow");		\
	cnt /= divide_rate[div];				\
} while(0)

#endif
Commit	Line	Data
e0b0f9e4 YS	1	#ifndef __H8300_TIMER_H
	2	#define __H8300_TIMER_H
	3
	4	void h8300_timer_tick(void);
	5	void h8300_timer_setup(void);
	6	void h8300_gettod(unsigned int year, unsigned int mon, unsigned int *day,
	7	unsigned int hour, unsigned int min, unsigned int *sec);
	8
	9	#define TIMER_FREQ (CONFIG_CPU_CLOCK10000) / Timer input freq. */
	10
	11	#define calc_param(cnt, div, rate, limit) \
	12	do { \
	13	cnt = TIMER_FREQ / HZ; \
	14	for (div = 0; div < ARRAY_SIZE(divide_rate); div++) { \
	15	if (rate[div] == 0) \
	16	continue; \
	17	if ((cnt / rate[div]) > limit) \
	18	break; \
	19	} \
	20	if (div == ARRAY_SIZE(divide_rate)) \
	21	panic("Timer counter overflow"); \
	22	cnt /= divide_rate[div]; \
	23	} while(0)
	24
	25	#endif