| 1 | #ifndef __ASM_SH_TIMER_H
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| 2 | #define __ASM_SH_TIMER_H
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| 3 |
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| 4 | #include <linux/sysdev.h>
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| 5 | #include <asm/cpu/timer.h>
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| 6 |
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| 7 | struct sys_timer_ops {
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| 8 | int (*init)(void);
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| 9 | int (*start)(void);
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| 10 | int (*stop)(void);
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| 11 | #ifndef CONFIG_GENERIC_TIME
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| 12 | unsigned long (*get_offset)(void);
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| 13 | #endif
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| 14 | };
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| 15 |
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| 16 | struct sys_timer {
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| 17 | const char *name;
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| 18 |
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| 19 | struct sys_device dev;
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| 20 | struct sys_timer_ops *ops;
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| 21 |
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| 22 | #ifdef CONFIG_NO_IDLE_HZ
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| 23 | struct dyn_tick_timer *dyn_tick;
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| 24 | #endif
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| 25 | };
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| 26 |
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| 27 | #ifdef CONFIG_NO_IDLE_HZ
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| 28 | #define DYN_TICK_ENABLED (1 << 1)
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| 29 |
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| 30 | struct dyn_tick_timer {
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| 31 | spinlock_t lock;
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| 32 | unsigned int state;
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| 33 | int (*enable)(void);
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| 34 | int (*disable)(void);
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| 35 | void (*reprogram)(unsigned long);
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| 36 | int (*handler)(int, void *);
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| 37 | };
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| 38 |
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| 39 | void timer_dyn_reprogram(void);
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| 40 | #else
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| 41 | #define timer_dyn_reprogram() do { } while (0)
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| 42 | #endif
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| 43 |
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| 44 | #define TICK_SIZE (tick_nsec / 1000)
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| 45 |
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| 46 | extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
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| 47 | extern struct sys_timer *sys_timer;
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| 48 |
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| 49 | #ifndef CONFIG_GENERIC_TIME
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| 50 | static inline unsigned long get_timer_offset(void)
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| 51 | {
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| 52 | return sys_timer->ops->get_offset();
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| 53 | }
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| 54 | #endif
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| 55 |
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| 56 |
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| 57 | struct sys_timer *get_sys_timer(void);
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| 58 |
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| 59 |
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| 60 | void handle_timer_tick(void);
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| 61 |
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| 62 | #endif
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