From a3d971d99da6c9c2a860d0863b2f7995f7605ffb Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Sun, 7 Jun 1998 19:44:22 +0000
Subject: This is a prototype implementation of the draft-mogul-pps-api-##.txt
 paper.

It will be updated along with the draft and possible subsequent
standard.

The ppbus based pps driver is updated to implement this API.
---
 include/Makefile  |  6 ++--
 include/timepps.h | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 include/timepps.h

(limited to 'include')

diff --git a/include/Makefile b/include/Makefile
index cca7b0b..a03da72 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -1,5 +1,5 @@
 #	From: @(#)Makefile	8.2 (Berkeley) 1/4/94
-#	$Id: Makefile,v 1.76 1998/03/28 11:48:14 dufault Exp $
+#	$Id: Makefile,v 1.77 1998/05/21 19:21:43 eivind Exp $
 #
 # Doing a make install builds /usr/include
 #
@@ -18,8 +18,8 @@ FILES=	a.out.h ar.h assert.h bitstring.h ctype.h db.h dirent.h disktab.h \
 	paths.h pthread.h pthread_np.h pwd.h \
 	ranlib.h regex.h regexp.h resolv.h rune.h runetype.h setjmp.h sgtty.h \
 	signal.h stab.h stddef.h stdio.h stdlib.h string.h stringlist.h \
-	strings.h struct.h sysexits.h tar.h time.h timers.h ttyent.h unistd.h \
-	utime.h utmp.h vis.h
+	strings.h struct.h sysexits.h tar.h time.h timepps.h timers.h \
+	ttyent.h unistd.h utime.h utmp.h vis.h
 .if defined(WANT_CSRG_LIBM)
 FILES+=	math.h
 .endif
diff --git a/include/timepps.h b/include/timepps.h
new file mode 100644
index 0000000..c9277ce
--- /dev/null
+++ b/include/timepps.h
@@ -0,0 +1,86 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "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
+ * ----------------------------------------------------------------------------
+ *
+ * $Id$
+ *
+ * The is a FreeBSD protype version of the "draft-mogul-pps-api-02.txt" 
+ * specification for Pulse Per Second timing interfaces.
+ *
+ */
+
+#ifndef _TIME_PPS_H_
+#define	_TIME_PPS_H_
+
+#include <sys/timepps.h>
+
+int time_pps_create(int filedes, pps_handle_t *handle);
+int time_pps_destroy(pps_handle_t handle);
+int time_pps_setparams(pps_handle_t handle, const pps_params_t *ppsparams);
+int time_pps_getparams(pps_handle_t handle, pps_params_t *ppsparams);
+int time_pps_getcap(pps_handle_t handle, int *mode);
+int time_pps_fetch(pps_handle_t handle, pps_info_t *ppsinfobuf);
+int time_pps_wait(pps_handle_t handle, const struct timespec *timeout, 
+	pps_info_t *ppsinfobuf);
+
+__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);
+}
+
+__inline int
+time_pps_destroy(pps_handle_t handle)
+{
+	return (ioctl(handle, PPS_IOC_DESTROY, 0));
+}
+
+__inline int
+time_pps_setparams(pps_handle_t handle, const pps_params_t *ppsparams)
+{
+	return (ioctl(handle, PPS_IOC_SETPARAMS, ppsparams));
+}
+
+__inline int
+time_pps_getparams(pps_handle_t handle, pps_params_t *ppsparams)
+{
+	return (ioctl(handle, PPS_IOC_GETPARAMS, ppsparams));
+}
+
+__inline int 
+time_pps_getcap(pps_handle_t handle, int *mode)
+{
+	return (ioctl(handle, PPS_IOC_GETCAP, mode));
+}
+
+__inline int
+time_pps_fetch(pps_handle_t handle, pps_info_t *ppsinfobuf)
+{
+	return (ioctl(handle, PPS_IOC_FETCH, ppsinfobuf));
+}
+
+__inline int
+time_pps_wait(pps_handle_t handle, const struct timespec *timeout,
+        pps_info_t *ppsinfobuf)
+{
+	int error;
+	struct pps_wait_args arg;
+
+	arg.timeout = *timeout;
+	error = ioctl(handle, PPS_IOC_WAIT, &arg);
+	*ppsinfobuf = arg.pps_info_buf;
+	return (error);
+}
+
+#endif /* !_TIME_PPS_H_ */
-- 
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