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607ca46e DH |
1 | #ifndef _UAPI__HPET__ |
2 | #define _UAPI__HPET__ | |
3 | ||
4 | #include <linux/compiler.h> | |
5 | ||
6 | ||
7 | struct hpet_info { | |
8 | unsigned long hi_ireqfreq; /* Hz */ | |
9 | unsigned long hi_flags; /* information */ | |
10 | unsigned short hi_hpet; | |
11 | unsigned short hi_timer; | |
12 | }; | |
13 | ||
14 | #define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */ | |
15 | ||
16 | #define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ | |
17 | #define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ | |
18 | #define HPET_INFO _IOR('h', 0x03, struct hpet_info) | |
19 | #define HPET_EPI _IO('h', 0x04) /* enable periodic */ | |
20 | #define HPET_DPI _IO('h', 0x05) /* disable periodic */ | |
21 | #define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ | |
22 | ||
23 | #define MAX_HPET_TBS 8 /* maximum hpet timer blocks */ | |
24 | ||
25 | #endif /* _UAPI__HPET__ */ |