[qemu.git] / hpet.h

#ifndef	__HPET__
#define	__HPET__ 1


struct hpet_info {
	unsigned long hi_ireqfreq;	/* Hz */
	unsigned long hi_flags;	/* information */
	unsigned short hi_hpet;
	unsigned short hi_timer;
};

#define	HPET_INFO_PERIODIC	0x0001	/* timer is periodic */

#define	HPET_IE_ON	_IO('h', 0x01)	/* interrupt on */
#define	HPET_IE_OFF	_IO('h', 0x02)	/* interrupt off */
#define	HPET_INFO	_IOR('h', 0x03, struct hpet_info)
#define	HPET_EPI	_IO('h', 0x04)	/* enable periodic */
#define	HPET_DPI	_IO('h', 0x05)	/* disable periodic */
#define	HPET_IRQFREQ	_IOW('h', 0x6, unsigned long)	/* IRQFREQ usec */

#endif				/* !__HPET__ */
Commit	Line	Data
bd494f4c TS	1	#ifndef __HPET__
	2	#define __HPET__ 1
	3
	4
	5
	6	struct 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__ */