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 a9bb1d93451a..000000000000 --- a/include/linux/pps.h +++ /dev/null | |||
| @@ -1,131 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * PPS API header | ||
| 3 | * | ||
| 4 | * Copyright (C) 2005-2009 Rodolfo Giometti <giometti@linux.it> | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 | * (at your option) any later version. | ||
| 10 | * | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with this program; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 19 | */ | ||
| 20 | |||
| 21 | |||
| 22 | #ifndef _PPS_H_ | ||
| 23 | #define _PPS_H_ | ||
| 24 | |||
| 25 | #include <linux/types.h> | ||
| 26 | |||
| 27 | #define PPS_VERSION "5.3.6" | ||
| 28 | #define PPS_MAX_SOURCES 16 /* should be enough... */ | ||
| 29 | |||
| 30 | /* Implementation note: the logical states ``assert'' and ``clear'' | ||
| 31 | * are implemented in terms of the chip register, i.e. ``assert'' | ||
| 32 | * means the bit is set. */ | ||
| 33 | |||
| 34 | /* | ||
| 35 | * 3.2 New data structures | ||
| 36 | */ | ||
| 37 | |||
| 38 | #define PPS_API_VERS_1 1 | ||
| 39 | #define PPS_API_VERS PPS_API_VERS_1 /* we use API version 1 */ | ||
| 40 | #define PPS_MAX_NAME_LEN 32 | ||
| 41 | |||
| 42 | /* 32-bit vs. 64-bit compatibility. | ||
| 43 | * | ||
| 44 | * 0n i386, the alignment of a uint64_t is only 4 bytes, while on most other | ||
| 45 | * architectures it's 8 bytes. On i386, there will be no padding between the | ||
| 46 | * two consecutive 'struct pps_ktime' members of struct pps_kinfo and struct | ||
| 47 | * pps_kparams. But on most platforms there will be padding to ensure correct | ||
| 48 | * alignment. | ||
| 49 | * | ||
| 50 | * The simple fix is probably to add an explicit padding. | ||
| 51 | * [David Woodhouse] | ||
| 52 | */ | ||
| 53 | struct pps_ktime { | ||
| 54 | __s64 sec; | ||
| 55 | __s32 nsec; | ||
| 56 | __u32 flags; | ||
| 57 | }; | ||
| 58 | #define PPS_TIME_INVALID (1<<0) /* used to specify timeout==NULL */ | ||
| 59 | |||
| 60 | struct pps_kinfo { | ||
| 61 | __u32 assert_sequence; /* seq. num. of assert event */ | ||
| 62 | __u32 clear_sequence; /* seq. num. of clear event */ | ||
| 63 | struct pps_ktime assert_tu; /* time of assert event */ | ||
| 64 | struct pps_ktime clear_tu; /* time of clear event */ | ||
| 65 | int current_mode; /* current mode bits */ | ||
| 66 | }; | ||
| 67 | |||
| 68 | struct pps_kparams { | ||
| 69 | int api_version; /* API version # */ | ||
| 70 | int mode; /* mode bits */ | ||
| 71 | struct pps_ktime assert_off_tu; /* offset compensation for assert */ | ||
| 72 | struct pps_ktime clear_off_tu; /* offset compensation for clear */ | ||
| 73 | }; | ||
| 74 | |||
| 75 | /* | ||
| 76 | * 3.3 Mode bit definitions | ||
| 77 | */ | ||
| 78 | |||
| 79 | /* Device/implementation parameters */ | ||
| 80 | #define PPS_CAPTUREASSERT 0x01 /* capture assert events */ | ||
| 81 | #define PPS_CAPTURECLEAR 0x02 /* capture clear events */ | ||
| 82 | #define PPS_CAPTUREBOTH 0x03 /* capture assert and clear events */ | ||
| 83 | |||
| 84 | #define PPS_OFFSETASSERT 0x10 /* apply compensation for assert ev. */ | ||
| 85 | #define PPS_OFFSETCLEAR 0x20 /* apply compensation for clear ev. */ | ||
| 86 | |||
| 87 | #define PPS_CANWAIT 0x100 /* can we wait for an event? */ | ||
| 88 | #define PPS_CANPOLL 0x200 /* bit reserved for future use */ | ||
| 89 | |||
| 90 | /* Kernel actions */ | ||
| 91 | #define PPS_ECHOASSERT 0x40 /* feed back assert event to output */ | ||
| 92 | #define PPS_ECHOCLEAR 0x80 /* feed back clear event to output */ | ||
| 93 | |||
| 94 | /* Timestamp formats */ | ||
| 95 | #define PPS_TSFMT_TSPEC 0x1000 /* select timespec format */ | ||
| 96 | #define PPS_TSFMT_NTPFP 0x2000 /* select NTP format */ | ||
| 97 | |||
| 98 | /* | ||
| 99 | * 3.4.4 New functions: disciplining the kernel timebase | ||
| 100 | */ | ||
| 101 | |||
| 102 | /* Kernel consumers */ | ||
| 103 | #define PPS_KC_HARDPPS 0 /* hardpps() (or equivalent) */ | ||
| 104 | #define PPS_KC_HARDPPS_PLL 1 /* hardpps() constrained to | ||
| 105 | use a phase-locked loop */ | ||
| 106 | #define PPS_KC_HARDPPS_FLL 2 /* hardpps() constrained to | ||
| 107 | use a frequency-locked loop */ | ||
| 108 | /* | ||
| 109 | * Here begins the implementation-specific part! | ||
| 110 | */ | ||
| 111 | |||
| 112 | struct pps_fdata { | ||
| 113 | struct pps_kinfo info; | ||
| 114 | struct pps_ktime timeout; | ||
| 115 | }; | ||
| 116 | |||
| 117 | struct pps_bind_args { | ||
| 118 | int tsformat; /* format of time stamps */ | ||
| 119 | int edge; /* selected event type */ | ||
| 120 | int consumer; /* selected kernel consumer */ | ||
| 121 | }; | ||
| 122 | |||
| 123 | #include <linux/ioctl.h> | ||
| 124 | |||
| 125 | #define PPS_GETPARAMS _IOR('p', 0xa1, struct pps_kparams *) | ||
| 126 | #define PPS_SETPARAMS _IOW('p', 0xa2, struct pps_kparams *) | ||
| 127 | #define PPS_GETCAP _IOR('p', 0xa3, int *) | ||
| 128 | #define PPS_FETCH _IOWR('p', 0xa4, struct pps_fdata *) | ||
| 129 | #define PPS_KC_BIND _IOW('p', 0xa5, struct pps_bind_args *) | ||
| 130 | |||
| 131 | #endif /* _PPS_H_ */ | ||
