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-rw-r--r--sys/conf/NOTES3
-rw-r--r--sys/conf/files1
-rw-r--r--sys/conf/majors3
-rw-r--r--sys/dev/ppbus/pps.c222
-rw-r--r--sys/i386/conf/LINT3
-rw-r--r--sys/i386/conf/NOTES3
-rw-r--r--sys/i386/conf/majors.i3863
7 files changed, 233 insertions, 5 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index 42f34b7e10af..a551633bc4ab 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
-# $Id: LINT,v 1.405 1998/02/11 17:37:55 yokota Exp $
+# $Id: LINT,v 1.406 1998/02/11 20:47:42 dima Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@@ -1361,6 +1361,7 @@ controller ppbus0
controller vpo0 at ppbus?
device nlpt0 at ppbus?
device ppi0 at ppbus?
+device pps0 at ppbus?
controller ppc0 at isa? disable port ? irq 7 vector ppcintr
diff --git a/sys/conf/files b/sys/conf/files
index 59da1772412a..9195b6d91b2b 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -43,6 +43,7 @@ dev/ppbus/ppb_base.c optional ppbus
dev/ppbus/ppb_1284.c optional ppbus
dev/ppbus/ppbconf.c optional ppbus
dev/ppbus/ppi.c optional ppi
+dev/ppbus/pps.c optional pps
dev/ppbus/vpo.c optional vpo
dev/vn/vn.c optional vn
dev/vx/if_vx.c optional vx device-driver
diff --git a/sys/conf/majors b/sys/conf/majors
index bbdd91dc5802..656a5d383aca 100644
--- a/sys/conf/majors
+++ b/sys/conf/majors
@@ -1,4 +1,4 @@
-$Id: majors.i386,v 1.24 1998/01/16 22:13:01 pst Exp $
+$Id: majors.i386,v 1.25 1998/01/26 06:11:14 julian Exp $
Hopefully, this list will one day be obsoleted by DEVFS, but for now
this is the current allocation of device major numbers.
@@ -128,3 +128,4 @@ chrdev name comments
86 alog Industrial Computer Source AIO8-P driver
87 wfd ATAPI floppy client of "ata"
88 dpt DPT RAID Controller <shimon@i-connect.net>
+89 pps Pulse-Per-Second timing interface
diff --git a/sys/dev/ppbus/pps.c b/sys/dev/ppbus/pps.c
new file mode 100644
index 000000000000..805d227a8bce
--- /dev/null
+++ b/sys/dev/ppbus/pps.c
@@ -0,0 +1,222 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "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
+ * ----------------------------------------------------------------------------
+ *
+ * $Id$
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/sysctl.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/buf.h>
+#include <sys/uio.h>
+#include <sys/syslog.h>
+#ifdef DEVFS
+#include <sys/devfsext.h>
+#endif /*DEVFS*/
+#include <sys/malloc.h>
+
+#include <machine/clock.h>
+#include <machine/lpt.h>
+
+#include <dev/ppbus/ppbconf.h>
+#include "ppps.h"
+
+#define PPPPS_NAME "pps" /* our official name */
+
+static struct ppps_data {
+ int ppps_unit;
+ struct ppb_device ppps_dev;
+ struct ppsclockev {
+ struct timespec timestamp;
+ u_int serial;
+ } ev;
+ int sawtooth;
+} *softc[NPPPPS];
+
+static int nppps;
+static int sawtooth;
+
+/*
+ * Make ourselves visible as a ppbus driver
+ */
+
+static struct ppb_device *pppsprobe(struct ppb_data *ppb);
+static int pppsattach(struct ppb_device *dev);
+static void pppsintr(int unit);
+static void ppps_drvinit(void *unused);
+
+static struct ppb_driver pppsdriver = {
+ pppsprobe, pppsattach, PPPPS_NAME
+};
+
+DATA_SET(ppbdriver_set, pppsdriver);
+
+static d_open_t pppsopen;
+static d_close_t pppsclose;
+static d_read_t pppsread;
+static d_write_t pppswrite;
+
+#define CDEV_MAJOR 89
+static struct cdevsw ppps_cdevsw =
+ { pppsopen, pppsclose, pppsread, pppswrite,
+ noioctl, nullstop, nullreset, nodevtotty,
+ seltrue, nommap, nostrat, PPPPS_NAME,
+ NULL, -1 };
+
+static struct ppb_device *
+pppsprobe(struct ppb_data *ppb)
+{
+ struct ppps_data *sc;
+
+ sc = (struct ppps_data *) malloc(sizeof(struct ppps_data),
+ M_TEMP, M_NOWAIT);
+ if (!sc) {
+ printf(PPPPS_NAME ": cannot malloc!\n");
+ return (0);
+ }
+ bzero(sc, sizeof(struct ppps_data));
+
+ softc[nppps] = sc;
+
+ sc->ppps_unit = nppps++;
+
+ sc->ppps_dev.id_unit = sc->ppps_unit;
+ sc->ppps_dev.ppb = ppb;
+ sc->ppps_dev.intr = pppsintr;
+
+ return (&sc->ppps_dev);
+}
+
+static int
+pppsattach(struct ppb_device *dev)
+{
+ /*
+ * Report ourselves
+ */
+ printf(PPPPS_NAME "%d: <Pulse per second Timing Interface> on ppbus %d\n",
+ dev->id_unit, dev->ppb->ppb_link->adapter_unit);
+
+#ifdef DEVFS
+ sc->devfs_token = devfs_add_devswf(&ppps_cdevsw,
+ dev->id_unit, DV_CHR,
+ UID_ROOT, GID_WHEEL, 0600, PPPPS_NAME "%d", dev->id_unit);
+ sc->devfs_token_ctl = devfs_add_devswf(&ppps_cdevsw,
+ dev->id_unit | LP_BYPASS, DV_CHR,
+ UID_ROOT, GID_WHEEL, 0600, PPPPS_NAME "%d.ctl", dev->id_unit);
+#endif
+
+ return (1);
+}
+
+static int
+pppsopen(dev_t dev, int flags, int fmt, struct proc *p)
+{
+ struct ppps_data *sc;
+ u_int unit = minor(dev);
+
+ if ((unit >= nppps))
+ return (ENXIO);
+
+ sc = softc[unit];
+
+ if (ppb_request_bus(&sc->ppps_dev, PPB_WAIT|PPB_INTR))
+ return (EINTR);
+
+ ppb_wctr(&sc->ppps_dev, 0x10);
+
+ return(0);
+}
+
+static int
+pppsclose(dev_t dev, int flags, int fmt, struct proc *p)
+{
+ struct ppps_data *sc = softc[minor(dev)];
+
+ ppb_release_bus(&sc->ppps_dev);
+ return(0);
+}
+
+static void
+pppsintr(int unit)
+{
+/*
+ * XXX: You want to thing carefully about what you actually want to do
+ * here.
+ */
+#if 0
+ struct ppps_data *sc = softc[unit];
+ struct timespec tc;
+#if 1
+ struct timeval tv;
+#endif
+
+ nanotime(&tc);
+ if (!(ppb_rstr(&sc->ppps_dev) & nACK))
+ return;
+ tc.tv_nsec -= sc->sawtooth;
+ tc.tv_nsec += 10000;
+ sc->sawtooth = 0;
+ if (tc.tv_nsec > 1000000000) {
+ tc.tv_sec++;
+ tc.tv_nsec -= 1000000000;
+ } else if (tc.tv_nsec < 0) {
+ tc.tv_sec--;
+ tc.tv_nsec += 1000000000;
+ }
+ sc->ev.timestamp = tc;
+ sc->ev.serial++;
+#if 1
+ tv.tv_sec = tc.tv_sec;
+ tv.tv_usec = tc.tv_nsec / 1000;
+ hardpps(&tv, tv.tv_usec);
+#endif
+#endif
+}
+
+static int
+pppsread(dev_t dev, struct uio *uio, int ioflag)
+{
+ struct ppps_data *sc = softc[minor(dev)];
+ int err, c;
+
+ c = imin(uio->uio_resid, sizeof sc->ev);
+ err = uiomove(&sc->ev, c, uio);
+ return(err);
+}
+
+static int
+pppswrite(dev_t dev, struct uio *uio, int ioflag)
+{
+ struct ppps_data *sc = softc[minor(dev)];
+ int err, c;
+
+ c = imin(uio->uio_resid, sizeof sc->sawtooth);
+ err = uiomove(&sc->sawtooth, c, uio);
+ return(err);
+}
+
+
+
+static ppps_devsw_installed = 0;
+
+static void
+ppps_drvinit(void *unused)
+{
+ dev_t dev;
+
+ if( ! ppps_devsw_installed ) {
+ dev = makedev(CDEV_MAJOR, 0);
+ cdevsw_add(&dev,&ppps_cdevsw, NULL);
+ ppps_devsw_installed = 1;
+ }
+}
+
+SYSINIT(pppsdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,ppps_drvinit,NULL)
diff --git a/sys/i386/conf/LINT b/sys/i386/conf/LINT
index 42f34b7e10af..a551633bc4ab 100644
--- a/sys/i386/conf/LINT
+++ b/sys/i386/conf/LINT
@@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
-# $Id: LINT,v 1.405 1998/02/11 17:37:55 yokota Exp $
+# $Id: LINT,v 1.406 1998/02/11 20:47:42 dima Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@@ -1361,6 +1361,7 @@ controller ppbus0
controller vpo0 at ppbus?
device nlpt0 at ppbus?
device ppi0 at ppbus?
+device pps0 at ppbus?
controller ppc0 at isa? disable port ? irq 7 vector ppcintr
diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES
index 42f34b7e10af..a551633bc4ab 100644
--- a/sys/i386/conf/NOTES
+++ b/sys/i386/conf/NOTES
@@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
-# $Id: LINT,v 1.405 1998/02/11 17:37:55 yokota Exp $
+# $Id: LINT,v 1.406 1998/02/11 20:47:42 dima Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@@ -1361,6 +1361,7 @@ controller ppbus0
controller vpo0 at ppbus?
device nlpt0 at ppbus?
device ppi0 at ppbus?
+device pps0 at ppbus?
controller ppc0 at isa? disable port ? irq 7 vector ppcintr
diff --git a/sys/i386/conf/majors.i386 b/sys/i386/conf/majors.i386
index bbdd91dc5802..656a5d383aca 100644
--- a/sys/i386/conf/majors.i386
+++ b/sys/i386/conf/majors.i386
@@ -1,4 +1,4 @@
-$Id: majors.i386,v 1.24 1998/01/16 22:13:01 pst Exp $
+$Id: majors.i386,v 1.25 1998/01/26 06:11:14 julian Exp $
Hopefully, this list will one day be obsoleted by DEVFS, but for now
this is the current allocation of device major numbers.
@@ -128,3 +128,4 @@ chrdev name comments
86 alog Industrial Computer Source AIO8-P driver
87 wfd ATAPI floppy client of "ata"
88 dpt DPT RAID Controller <shimon@i-connect.net>
+89 pps Pulse-Per-Second timing interface
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-02 07:33:04 +0000