diff options
Diffstat (limited to 'include/linux/pps.h')
| -rw-r--r-- | include/linux/pps.h | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/include/linux/pps.h b/include/linux/pps.h deleted file mode 100644 index a9bb1d9..0000000 --- a/include/linux/pps.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * PPS API header - * - * Copyright (C) 2005-2009 Rodolfo Giometti <giometti@linux.it> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -#ifndef _PPS_H_ -#define _PPS_H_ - -#include <linux/types.h> - -#define PPS_VERSION "5.3.6" -#define PPS_MAX_SOURCES 16 /* should be enough... */ - -/* Implementation note: the logical states ``assert'' and ``clear'' - * are implemented in terms of the chip register, i.e. ``assert'' - * means the bit is set. */ - -/* - * 3.2 New data structures - */ - -#define PPS_API_VERS_1 1 -#define PPS_API_VERS PPS_API_VERS_1 /* we use API version 1 */ -#define PPS_MAX_NAME_LEN 32 - -/* 32-bit vs. 64-bit compatibility. - * - * 0n i386, the alignment of a uint64_t is only 4 bytes, while on most other - * architectures it's 8 bytes. On i386, there will be no padding between the - * two consecutive 'struct pps_ktime' members of struct pps_kinfo and struct - * pps_kparams. But on most platforms there will be padding to ensure correct - * alignment. - * - * The simple fix is probably to add an explicit padding. - * [David Woodhouse] - */ -struct pps_ktime { - __s64 sec; - __s32 nsec; - __u32 flags; -}; -#define PPS_TIME_INVALID (1<<0) /* used to specify timeout==NULL */ - -struct pps_kinfo { - __u32 assert_sequence; /* seq. num. of assert event */ - __u32 clear_sequence; /* seq. num. of clear event */ - struct pps_ktime assert_tu; /* time of assert event */ - struct pps_ktime clear_tu; /* time of clear event */ - int current_mode; /* current mode bits */ -}; - -struct pps_kparams { - int api_version; /* API version # */ - int mode; /* mode bits */ - struct pps_ktime assert_off_tu; /* offset compensation for assert */ - struct pps_ktime clear_off_tu; /* offset compensation for clear */ -}; - -/* - * 3.3 Mode bit definitions - */ - -/* Device/implementation parameters */ -#define PPS_CAPTUREASSERT 0x01 /* capture assert events */ -#define PPS_CAPTURECLEAR 0x02 /* capture clear events */ -#define PPS_CAPTUREBOTH 0x03 /* capture assert and clear events */ - -#define PPS_OFFSETASSERT 0x10 /* apply compensation for assert ev. */ -#define PPS_OFFSETCLEAR 0x20 /* apply compensation for clear ev. */ - -#define PPS_CANWAIT 0x100 /* can we wait for an event? */ -#define PPS_CANPOLL 0x200 /* bit reserved for future use */ - -/* Kernel actions */ -#define PPS_ECHOASSERT 0x40 /* feed back assert event to output */ -#define PPS_ECHOCLEAR 0x80 /* feed back clear event to output */ - -/* Timestamp formats */ -#define PPS_TSFMT_TSPEC 0x1000 /* select timespec format */ -#define PPS_TSFMT_NTPFP 0x2000 /* select NTP format */ - -/* - * 3.4.4 New functions: disciplining the kernel timebase - */ - -/* Kernel consumers */ -#define PPS_KC_HARDPPS 0 /* hardpps() (or equivalent) */ -#define PPS_KC_HARDPPS_PLL 1 /* hardpps() constrained to - use a phase-locked loop */ -#define PPS_KC_HARDPPS_FLL 2 /* hardpps() constrained to - use a frequency-locked loop */ -/* - * Here begins the implementation-specific part! - */ - -struct pps_fdata { - struct pps_kinfo info; - struct pps_ktime timeout; -}; - -struct pps_bind_args { - int tsformat; /* format of time stamps */ - int edge; /* selected event type */ - int consumer; /* selected kernel consumer */ -}; - -#include <linux/ioctl.h> - -#define PPS_GETPARAMS _IOR('p', 0xa1, struct pps_kparams *) -#define PPS_SETPARAMS _IOW('p', 0xa2, struct pps_kparams *) -#define PPS_GETCAP _IOR('p', 0xa3, int *) -#define PPS_FETCH _IOWR('p', 0xa4, struct pps_fdata *) -#define PPS_KC_BIND _IOW('p', 0xa5, struct pps_bind_args *) - -#endif /* _PPS_H_ */ |
