#ifndef _ASMi386_TIMER_H
#define _ASMi386_TIMER_H
+#include <linux/init.h>
/**
* struct timer_ops - used to define a timer source
*
+ * @name: name of the timer.
* @init: Probes and initializes the timer. Takes clock= override
- * string as an argument. Returns 0 on success, anything else on failure.
- * @mark_offset: called by the timer interrupt
- * @get_offset: called by gettimeofday(). Returns the number of ms since the
- * last timer intruupt.
+ * string as an argument. Returns 0 on success, anything else
+ * on failure.
+ * @mark_offset: called by the timer interrupt.
+ * @get_offset: called by gettimeofday(). Returns the number of microseconds
+ * since the last timer interupt.
+ * @monotonic_clock: returns the number of nanoseconds since the init of the
+ * timer.
+ * @delay: delays this many clock cycles.
*/
-struct timer_opts{
+struct timer_opts {
char* name;
- int (*init)(char *override);
void (*mark_offset)(void);
unsigned long (*get_offset)(void);
unsigned long long (*monotonic_clock)(void);
void (*delay)(unsigned long);
};
+struct init_timer_opts {
+ int (*init)(char *override);
+ struct timer_opts *opts;
+};
+
#define TICK_SIZE (tick_nsec / 1000)
-extern struct timer_opts* select_timer(void);
+extern struct timer_opts* __init select_timer(void);
extern void clock_fallback(void);
+void setup_pit_timer(void);
/* Modifiers for buggy PIT handling */
/* list of externed timers */
extern struct timer_opts timer_none;
extern struct timer_opts timer_pit;
-extern struct timer_opts timer_tsc;
+extern struct init_timer_opts timer_pit_init;
+extern struct init_timer_opts timer_tsc_init;
#ifdef CONFIG_X86_CYCLONE_TIMER
-extern struct timer_opts timer_cyclone;
+extern struct init_timer_opts timer_cyclone_init;
#endif
extern unsigned long calibrate_tsc(void);
extern void init_cpu_khz(void);
#ifdef CONFIG_HPET_TIMER
-extern struct timer_opts timer_hpet;
+extern struct init_timer_opts timer_hpet_init;
extern unsigned long calibrate_tsc_hpet(unsigned long *tsc_hpet_quotient_ptr);
#endif
#ifdef CONFIG_X86_PM_TIMER
-extern struct timer_opts timer_pmtmr;
+extern struct init_timer_opts timer_pmtmr_init;
#endif
#endif