Release 4.12 include/uapi/linux/hpet.h

#ifndef _UAPI__HPET__

#define _UAPI__HPET__

#include <linux/compiler.h>



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	0x0010	
/* periodic-capable comparator */


#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 */


#define MAX_HPET_TBS	8		
/* maximum hpet timer blocks */

#endif /* _UAPI__HPET__ */
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Directory: include/uapi/linux

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