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	#define HPET_TCNF_INT_ENB 0x00000004			#define HPET_TCNF_INT_ENB 0x00000004
	#define HPET_TCNF_INT_TYPE 0x00000002 /* 1 = level triggered, 0 = edge */			#define HPET_TCNF_INT_TYPE 0x00000002 /* 1 = level triggered, 0 = edge */
	#define HPET_TIMER_COMPARATOR(x) ((x) * 0x20 + 0x108)			#define HPET_TIMER_COMPARATOR(x) ((x) * 0x20 + 0x108)
	#define HPET_TIMER_FSB_VAL(x) ((x) * 0x20 + 0x110)			#define HPET_TIMER_FSB_VAL(x) ((x) * 0x20 + 0x110)
	#define HPET_TIMER_FSB_ADDR(x) ((x) * 0x20 + 0x114)			#define HPET_TIMER_FSB_ADDR(x) ((x) * 0x20 + 0x114)

	#define HPET_MIN_CYCLES 128 /* Period considered reliable. */			#define HPET_MIN_CYCLES 128 /* Period considered reliable. */

				#ifdef _KERNEL
				struct timecounter;
				struct vdso_timehands;
				struct vdso_timehands32;

				uint32_t hpet_vdso_timehands(struct vdso_timehands *vdso_th,
				struct timecounter *tc);
				uint32_t hpet_vdso_timehands32(struct vdso_timehands32 *vdso_th32,
				struct timecounter *tc);
				#endif

	#endif /* !__ACPI_HPET_H__ */			#endif /* !__ACPI_HPET_H__ */