1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_IIO_EVENTS_H_ 20 #define _UAPI_IIO_EVENTS_H_ 21 #include <linux/ioctl.h> 22 #include <linux/types.h> 23 struct iio_event_data { 24 __u64 id; 25 __s64 timestamp; 26 }; 27 #define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int) 28 #define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF) 29 #define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F) 30 #define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF) 31 #define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16) (mask & 0xFFFF)) 32 #define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16) (((mask) >> 16) & 0xFFFF)) 33 #define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF) 34 #define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1) 35 #endif 36
