2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2002 JF Hay. All rights reserved.
5 * Copyright (c) 2001 M. Warner Losh. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/systm.h>
35 #include <sys/kernel.h>
37 #include <sys/malloc.h>
38 #include <sys/mutex.h>
39 #include <sys/module.h>
41 #include <machine/bus.h>
42 #include <sys/timepps.h>
44 #include <dev/puc/puc_bus.h>
46 #include <dev/sio/siovar.h>
47 #include <dev/sio/sioreg.h>
49 static int sio_puc_attach(device_t dev);
50 static int sio_puc_probe(device_t dev);
52 static device_method_t sio_puc_methods[] = {
53 /* Device interface */
54 DEVMETHOD(device_probe, sio_puc_probe),
55 DEVMETHOD(device_attach, sio_puc_attach),
56 DEVMETHOD(device_detach, siodetach),
61 static driver_t sio_puc_driver = {
68 sio_puc_attach(device_t dev)
72 if (BUS_READ_IVAR(device_get_parent(dev), dev, PUC_IVAR_CLOCK,
75 return (sioattach(dev, 0, rclk));
79 sio_puc_probe(device_t dev)
85 parent = device_get_parent(dev);
87 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_TYPE, &type))
89 if (type != PUC_TYPE_SERIAL)
92 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_CLOCK, &rclk))
95 error = sioprobe(dev, 0, rclk, 1);
96 return ((error > 0) ? error : BUS_PROBE_LOW_PRIORITY);
99 DRIVER_MODULE(sio, puc, sio_puc_driver, sio_devclass, 0, 0);