1#ifndef	__HPET__
2#define	__HPET__ 1
3
4
5
6struct hpet_info {
7	unsigned long hi_ireqfreq;	/* Hz */
8	unsigned long hi_flags;	/* information */
9	unsigned short hi_hpet;
10	unsigned short hi_timer;
11};
12
13#define	HPET_INFO_PERIODIC	0x0001	/* timer is periodic */
14
15#define	HPET_IE_ON	_IO('h', 0x01)	/* interrupt on */
16#define	HPET_IE_OFF	_IO('h', 0x02)	/* interrupt off */
17#define	HPET_INFO	_IOR('h', 0x03, struct hpet_info)
18#define	HPET_EPI	_IO('h', 0x04)	/* enable periodic */
19#define	HPET_DPI	_IO('h', 0x05)	/* disable periodic */
20#define	HPET_IRQFREQ	_IOW('h', 0x6, unsigned long)	/* IRQFREQ usec */
21
22#endif				/* !__HPET__ */
23