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 _PTP_CLOCK_H_ 20 #define _PTP_CLOCK_H_ 21 #include <linux/ioctl.h> 22 #include <linux/types.h> 23 #define PTP_ENABLE_FEATURE (1 << 0) 24 #define PTP_RISING_EDGE (1 << 1) 25 #define PTP_FALLING_EDGE (1 << 2) 26 struct ptp_clock_time { 27 __s64 sec; 28 __u32 nsec; 29 __u32 reserved; 30 }; 31 struct ptp_clock_caps { 32 int max_adj; 33 int n_alarm; 34 int n_ext_ts; 35 int n_per_out; 36 int pps; 37 int n_pins; 38 int cross_timestamping; 39 int rsv[13]; 40 }; 41 struct ptp_extts_request { 42 unsigned int index; 43 unsigned int flags; 44 unsigned int rsv[2]; 45 }; 46 struct ptp_perout_request { 47 struct ptp_clock_time start; 48 struct ptp_clock_time period; 49 unsigned int index; 50 unsigned int flags; 51 unsigned int rsv[4]; 52 }; 53 #define PTP_MAX_SAMPLES 25 54 struct ptp_sys_offset { 55 unsigned int n_samples; 56 unsigned int rsv[3]; 57 struct ptp_clock_time ts[2 * PTP_MAX_SAMPLES + 1]; 58 }; 59 struct ptp_sys_offset_precise { 60 struct ptp_clock_time device; 61 struct ptp_clock_time sys_realtime; 62 struct ptp_clock_time sys_monoraw; 63 unsigned int rsv[4]; 64 }; 65 enum ptp_pin_function { 66 PTP_PF_NONE, 67 PTP_PF_EXTTS, 68 PTP_PF_PEROUT, 69 PTP_PF_PHYSYNC, 70 }; 71 struct ptp_pin_desc { 72 char name[64]; 73 unsigned int index; 74 unsigned int func; 75 unsigned int chan; 76 unsigned int rsv[5]; 77 }; 78 #define PTP_CLK_MAGIC '=' 79 #define PTP_CLOCK_GETCAPS _IOR(PTP_CLK_MAGIC, 1, struct ptp_clock_caps) 80 #define PTP_EXTTS_REQUEST _IOW(PTP_CLK_MAGIC, 2, struct ptp_extts_request) 81 #define PTP_PEROUT_REQUEST _IOW(PTP_CLK_MAGIC, 3, struct ptp_perout_request) 82 #define PTP_ENABLE_PPS _IOW(PTP_CLK_MAGIC, 4, int) 83 #define PTP_SYS_OFFSET _IOW(PTP_CLK_MAGIC, 5, struct ptp_sys_offset) 84 #define PTP_PIN_GETFUNC _IOWR(PTP_CLK_MAGIC, 6, struct ptp_pin_desc) 85 #define PTP_PIN_SETFUNC _IOW(PTP_CLK_MAGIC, 7, struct ptp_pin_desc) 86 #define PTP_SYS_OFFSET_PRECISE _IOWR(PTP_CLK_MAGIC, 8, struct ptp_sys_offset_precise) 87 struct ptp_extts_event { 88 struct ptp_clock_time t; 89 unsigned int index; 90 unsigned int flags; 91 unsigned int rsv[2]; 92 }; 93 #endif 94