cfq-iosched: no need to save interrupts in cfq_kick_queue()
[linux-2.6.git] / include / asm-h8300 / timer.h
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_CLOCK*10000) /* 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