2 * Copyright (c) 2006 Kip Macy <kmacy@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
33 #include <sys/clock.h>
34 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/resource.h>
39 #include <machine/bus.h>
40 #include <machine/resource.h>
44 #include <machine/hv_api.h>
45 #include <machine/mdesc_bus.h>
46 #include <machine/cddl/mdesc.h>
47 #include <machine/cddl/mdesc_impl.h>
51 static int hv_rtc_attach(device_t dev);
52 static int hv_rtc_probe(device_t dev);
53 static int hv_settime(device_t dev, struct timespec *ts);
54 static int hv_gettime(device_t dev, struct timespec *ts);
56 static device_method_t hv_rtc_methods[] = {
57 /* Device interface */
58 DEVMETHOD(device_probe, hv_rtc_probe),
59 DEVMETHOD(device_attach, hv_rtc_attach),
62 DEVMETHOD(clock_gettime, hv_gettime),
63 DEVMETHOD(clock_settime, hv_settime),
68 static driver_t hv_rtc_driver = {
73 static devclass_t hv_rtc_devclass;
74 DRIVER_MODULE(rtc, vnex, hv_rtc_driver, hv_rtc_devclass, 0, 0);
77 hv_rtc_probe(device_t dev)
79 if (strcmp(mdesc_bus_get_name(dev), "rtc") == 0) {
87 hv_rtc_attach(device_t dev)
89 clock_register(dev, 1000000);
94 hv_settime(device_t dev, struct timespec *ts)
96 hv_tod_set(ts->tv_sec);
101 hv_gettime(device_t dev, struct timespec *ts)
104 hv_tod_get(&ts->tv_sec);