1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI__HPET__ 3*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI__HPET__ 4*f80ad8b4SAndroid Build Coastguard Worker 5*f80ad8b4SAndroid Build Coastguard Worker #include <linux/compiler.h> 6*f80ad8b4SAndroid Build Coastguard Worker 7*f80ad8b4SAndroid Build Coastguard Worker 8*f80ad8b4SAndroid Build Coastguard Worker struct hpet_info { 9*f80ad8b4SAndroid Build Coastguard Worker unsigned long hi_ireqfreq; /* Hz */ 10*f80ad8b4SAndroid Build Coastguard Worker unsigned long hi_flags; /* information */ 11*f80ad8b4SAndroid Build Coastguard Worker unsigned short hi_hpet; 12*f80ad8b4SAndroid Build Coastguard Worker unsigned short hi_timer; 13*f80ad8b4SAndroid Build Coastguard Worker }; 14*f80ad8b4SAndroid Build Coastguard Worker 15*f80ad8b4SAndroid Build Coastguard Worker #define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */ 16*f80ad8b4SAndroid Build Coastguard Worker 17*f80ad8b4SAndroid Build Coastguard Worker #define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ 18*f80ad8b4SAndroid Build Coastguard Worker #define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ 19*f80ad8b4SAndroid Build Coastguard Worker #define HPET_INFO _IOR('h', 0x03, struct hpet_info) 20*f80ad8b4SAndroid Build Coastguard Worker #define HPET_EPI _IO('h', 0x04) /* enable periodic */ 21*f80ad8b4SAndroid Build Coastguard Worker #define HPET_DPI _IO('h', 0x05) /* disable periodic */ 22*f80ad8b4SAndroid Build Coastguard Worker #define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ 23*f80ad8b4SAndroid Build Coastguard Worker 24*f80ad8b4SAndroid Build Coastguard Worker #define MAX_HPET_TBS 8 /* maximum hpet timer blocks */ 25*f80ad8b4SAndroid Build Coastguard Worker 26*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI__HPET__ */ 27