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Diffstat (limited to 'cpukit/score/include/sys/timepps.h')
| -rw-r--r-- | cpukit/score/include/sys/timepps.h | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/cpukit/score/include/sys/timepps.h b/cpukit/score/include/sys/timepps.h deleted file mode 100644 index 01212f0b43..0000000000 --- a/cpukit/score/include/sys/timepps.h +++ /dev/null @@ -1,266 +0,0 @@ -/*- - * ---------------------------------------------------------------------------- - * "THE BEER-WARE LICENSE" (Revision 42): - * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you - * can do whatever you want with this stuff. If we meet some day, and you think - * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp - * ---------------------------------------------------------------------------- - * - * Copyright (c) 2011 The FreeBSD Foundation - * All rights reserved. - * - * Portions of this software were developed by Julien Ridoux at the University - * of Melbourne under sponsorship from the FreeBSD Foundation. - * - * $FreeBSD: head/sys/sys/timepps.h 282424 2015-05-04 17:59:39Z ian $ - * - * The is a FreeBSD version of the RFC 2783 API for Pulse Per Second - * timing interfaces. - */ - -#ifndef _SYS_TIMEPPS_H_ -#define _SYS_TIMEPPS_H_ - -#include <sys/_ffcounter.h> -#include <sys/ioccom.h> -#include <sys/time.h> - -#define PPS_API_VERS_1 1 - -typedef int pps_handle_t; - -typedef unsigned pps_seq_t; - -typedef struct ntp_fp { - unsigned int integral; - unsigned int fractional; -} ntp_fp_t; - -typedef union pps_timeu { - struct timespec tspec; - ntp_fp_t ntpfp; - unsigned long longpad[3]; -} pps_timeu_t; - -typedef struct { - pps_seq_t assert_sequence; /* assert event seq # */ - pps_seq_t clear_sequence; /* clear event seq # */ - pps_timeu_t assert_tu; - pps_timeu_t clear_tu; - int current_mode; /* current mode bits */ -} pps_info_t; - -typedef struct { - pps_seq_t assert_sequence; /* assert event seq # */ - pps_seq_t clear_sequence; /* clear event seq # */ - pps_timeu_t assert_tu; - pps_timeu_t clear_tu; - ffcounter assert_ffcount; /* ffcounter on assert event */ - ffcounter clear_ffcount; /* ffcounter on clear event */ - int current_mode; /* current mode bits */ -} pps_info_ffc_t; - -#define assert_timestamp assert_tu.tspec -#define clear_timestamp clear_tu.tspec - -#define assert_timestamp_ntpfp assert_tu.ntpfp -#define clear_timestamp_ntpfp clear_tu.ntpfp - -typedef struct { - int api_version; /* API version # */ - int mode; /* mode bits */ - pps_timeu_t assert_off_tu; - pps_timeu_t clear_off_tu; -} pps_params_t; - -#define assert_offset assert_off_tu.tspec -#define clear_offset clear_off_tu.tspec - -#define assert_offset_ntpfp assert_off_tu.ntpfp -#define clear_offset_ntpfp clear_off_tu.ntpfp - - -#define PPS_CAPTUREASSERT 0x01 -#define PPS_CAPTURECLEAR 0x02 -#define PPS_CAPTUREBOTH 0x03 - -#define PPS_OFFSETASSERT 0x10 -#define PPS_OFFSETCLEAR 0x20 - -#define PPS_ECHOASSERT 0x40 -#define PPS_ECHOCLEAR 0x80 - -#define PPS_CANWAIT 0x100 -#define PPS_CANPOLL 0x200 - -#define PPS_TSFMT_TSPEC 0x1000 -#define PPS_TSFMT_NTPFP 0x2000 - -#define PPS_TSCLK_FBCK 0x10000 -#define PPS_TSCLK_FFWD 0x20000 -#define PPS_TSCLK_MASK 0x30000 - -#define PPS_KC_HARDPPS 0 -#define PPS_KC_HARDPPS_PLL 1 -#define PPS_KC_HARDPPS_FLL 2 - -struct pps_fetch_args { - int tsformat; - pps_info_t pps_info_buf; - struct timespec timeout; -}; - -struct pps_fetch_ffc_args { - int tsformat; - pps_info_ffc_t pps_info_buf_ffc; - struct timespec timeout; -}; - -struct pps_kcbind_args { - int kernel_consumer; - int edge; - int tsformat; -}; - -#define PPS_IOC_CREATE _IO('1', 1) -#define PPS_IOC_DESTROY _IO('1', 2) -#define PPS_IOC_SETPARAMS _IOW('1', 3, pps_params_t) -#define PPS_IOC_GETPARAMS _IOR('1', 4, pps_params_t) -#define PPS_IOC_GETCAP _IOR('1', 5, int) -#define PPS_IOC_FETCH _IOWR('1', 6, struct pps_fetch_args) -#define PPS_IOC_KCBIND _IOW('1', 7, struct pps_kcbind_args) -#define PPS_IOC_FETCH_FFCOUNTER _IOWR('1', 8, struct pps_fetch_ffc_args) - -#ifdef _KERNEL - -struct mtx; - -#define KCMODE_EDGEMASK 0x03 -#define KCMODE_ABIFLAG 0x80000000 /* Internal use: abi-aware driver. */ - -#define PPS_ABI_VERSION 1 - -#define PPSFLAG_MTX_SPIN 0x01 /* Driver mtx is MTX_SPIN type. */ - -struct pps_state { - /* Capture information. */ - struct timehands *capth; - struct fftimehands *capffth; - unsigned capgen; - unsigned capcount; - - /* State information. */ - pps_params_t ppsparam; - pps_info_t ppsinfo; - pps_info_ffc_t ppsinfo_ffc; - int kcmode; - int ppscap; - struct timecounter *ppstc; - unsigned ppscount[3]; - /* - * The following fields are valid if the driver calls pps_init_abi(). - */ - uint16_t driver_abi; /* Driver sets before pps_init_abi(). */ - uint16_t kernel_abi; /* Kernel sets during pps_init_abi(). */ - struct mtx *driver_mtx; /* Optional, valid if non-NULL. */ - uint32_t flags; -}; - -void pps_capture(struct pps_state *pps); -void pps_event(struct pps_state *pps, int event); -void pps_init(struct pps_state *pps); -void pps_init_abi(struct pps_state *pps); -int pps_ioctl(unsigned long cmd, caddr_t data, struct pps_state *pps); -void hardpps(struct timespec *tsp, long nsec); - -#else /* !_KERNEL */ - -static __inline int -time_pps_create(int filedes, pps_handle_t *handle) -{ - int error; - - *handle = -1; - error = ioctl(filedes, PPS_IOC_CREATE, 0); - if (error < 0) - return (-1); - *handle = filedes; - return (0); -} - -static __inline int -time_pps_destroy(pps_handle_t handle) -{ - return (ioctl(handle, PPS_IOC_DESTROY, 0)); -} - -static __inline int -time_pps_setparams(pps_handle_t handle, const pps_params_t *ppsparams) -{ - return (ioctl(handle, PPS_IOC_SETPARAMS, ppsparams)); -} - -static __inline int -time_pps_getparams(pps_handle_t handle, pps_params_t *ppsparams) -{ - return (ioctl(handle, PPS_IOC_GETPARAMS, ppsparams)); -} - -static __inline int -time_pps_getcap(pps_handle_t handle, int *mode) -{ - return (ioctl(handle, PPS_IOC_GETCAP, mode)); -} - -static __inline int -time_pps_fetch(pps_handle_t handle, const int tsformat, - pps_info_t *ppsinfobuf, const struct timespec *timeout) -{ - int error; - struct pps_fetch_args arg; - - arg.tsformat = tsformat; - if (timeout == NULL) { - arg.timeout.tv_sec = -1; - arg.timeout.tv_nsec = -1; - } else - arg.timeout = *timeout; - error = ioctl(handle, PPS_IOC_FETCH, &arg); - *ppsinfobuf = arg.pps_info_buf; - return (error); -} - -static __inline int -time_pps_fetch_ffc(pps_handle_t handle, const int tsformat, - pps_info_ffc_t *ppsinfobuf, const struct timespec *timeout) -{ - struct pps_fetch_ffc_args arg; - int error; - - arg.tsformat = tsformat; - if (timeout == NULL) { - arg.timeout.tv_sec = -1; - arg.timeout.tv_nsec = -1; - } else { - arg.timeout = *timeout; - } - error = ioctl(handle, PPS_IOC_FETCH_FFCOUNTER, &arg); - *ppsinfobuf = arg.pps_info_buf_ffc; - return (error); -} - -static __inline int -time_pps_kcbind(pps_handle_t handle, const int kernel_consumer, - const int edge, const int tsformat) -{ - struct pps_kcbind_args arg; - - arg.kernel_consumer = kernel_consumer; - arg.edge = edge; - arg.tsformat = tsformat; - return (ioctl(handle, PPS_IOC_KCBIND, &arg)); -} - -#endif /* KERNEL */ - -#endif /* !_SYS_TIMEPPS_H_ */ |