1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI__HPET__ 2 #ifndef _UAPI__HPET__
3 #define _UAPI__HPET__ 3 #define _UAPI__HPET__
4 4
5 #include <linux/compiler.h> 5 #include <linux/compiler.h>
6 6
7 7
8 struct hpet_info { 8 struct hpet_info {
9 unsigned long hi_ireqfreq; /* Hz 9 unsigned long hi_ireqfreq; /* Hz */
10 unsigned long hi_flags; /* information 10 unsigned long hi_flags; /* information */
11 unsigned short hi_hpet; 11 unsigned short hi_hpet;
12 unsigned short hi_timer; 12 unsigned short hi_timer;
13 }; 13 };
14 14
15 #define HPET_INFO_PERIODIC 0x0010 /* per 15 #define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */
16 16
17 #define HPET_IE_ON _IO('h', 0x01) /* int 17 #define HPET_IE_ON _IO('h', 0x01) /* interrupt on */
18 #define HPET_IE_OFF _IO('h', 0x02) /* int 18 #define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */
19 #define HPET_INFO _IOR('h', 0x03, struct 19 #define HPET_INFO _IOR('h', 0x03, struct hpet_info)
20 #define HPET_EPI _IO('h', 0x04) /* ena 20 #define HPET_EPI _IO('h', 0x04) /* enable periodic */
21 #define HPET_DPI _IO('h', 0x05) /* dis 21 #define HPET_DPI _IO('h', 0x05) /* disable periodic */
22 #define HPET_IRQFREQ _IOW('h', 0x6, unsigne 22 #define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */
23 23
24 #define MAX_HPET_TBS 8 /* max 24 #define MAX_HPET_TBS 8 /* maximum hpet timer blocks */
25 25
26 #endif /* _UAPI__HPET__ */ 26 #endif /* _UAPI__HPET__ */
27 27
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