mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 02:04:19 +08:00
e0b0f9e4ea
New timer handler files. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
26 lines
703 B
C
26 lines
703 B
C
#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
|