hpet.h (785B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI__HPET__ 3#define _UAPI__HPET__ 4 5#include <linux/compiler.h> 6 7 8struct hpet_info { 9 unsigned long hi_ireqfreq; /* Hz */ 10 unsigned long hi_flags; /* information */ 11 unsigned short hi_hpet; 12 unsigned short hi_timer; 13}; 14 15#define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */ 16 17#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ 18#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ 19#define HPET_INFO _IOR('h', 0x03, struct hpet_info) 20#define HPET_EPI _IO('h', 0x04) /* enable periodic */ 21#define HPET_DPI _IO('h', 0x05) /* disable periodic */ 22#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ 23 24#define MAX_HPET_TBS 8 /* maximum hpet timer blocks */ 25 26#endif /* _UAPI__HPET__ */