blob: 30e535644b43003e9a6c9bf4ff5ae47a76783110 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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__ */