#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__ */ |