| The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | #ifndef __HPET__ |
| 2 | #define __HPET__ 1 |
| 3 | |
| 4 | |
| 5 | |
| 6 | struct hpet_info { |
| 7 | unsigned long hi_ireqfreq; /* Hz */ |
| 8 | unsigned long hi_flags; /* information */ |
| 9 | unsigned short hi_hpet; |
| 10 | unsigned short hi_timer; |
| 11 | }; |
| 12 | |
| 13 | #define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */ |
| 14 | |
| 15 | #define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ |
| 16 | #define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ |
| 17 | #define HPET_INFO _IOR('h', 0x03, struct hpet_info) |
| 18 | #define HPET_EPI _IO('h', 0x04) /* enable periodic */ |
| 19 | #define HPET_DPI _IO('h', 0x05) /* disable periodic */ |
| 20 | #define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ |
| 21 | |
| 22 | #endif /* !__HPET__ */ |