26 lines
		
	
	
	
		
			722 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			26 lines
		
	
	
	
		
			722 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #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__ */
 |