| /* 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__ */ |
