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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
607ca46e DH |
2 | #ifndef _UAPI__HPET__ |
3 | #define _UAPI__HPET__ | |
4 | ||
5 | #include <linux/compiler.h> | |
6 | ||
7 | ||
8 | struct 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__ */ |