Edit File: hpet.h
#ifndef __HPET__ #define __HPET__ 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 /* __HPET__ */