26 lines
722 B
C
26 lines
722 B
C
|
#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__ */
|