1/*-
2 * Copyright (c) 2003 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/cons.h>
34#include <sys/consio.h>
35#include <sys/kernel.h>
36#include <sys/limits.h>
37#include <sys/module.h>
38
39#include <dev/ofw/ofw_bus.h>
40
41#include <machine/bus.h>
42
43#include <dev/syscons/syscons.h>
44
45#define	SC_MD_MAX	8
46#define	SC_MD_FLAGS	SC_AUTODETECT_KBD
47
48static sc_softc_t sc_softcs[SC_MD_MAX];
49
50static device_identify_t sc_identify;
51static device_probe_t sc_probe;
52static device_attach_t sc_attach;
53
54static device_method_t sc_methods[] = {
55	/* Device interface */
56	DEVMETHOD(device_identify,	sc_identify),
57	DEVMETHOD(device_probe,		sc_probe),
58	DEVMETHOD(device_attach,	sc_attach),
59
60	DEVMETHOD_END
61};
62
63static driver_t sc_driver = {
64	SC_DRIVER_NAME,
65	sc_methods,
66	1,	/* no softc */
67};
68
69static devclass_t sc_devclass;
70
71DRIVER_MODULE(sc, nexus, sc_driver, sc_devclass, 0, 0);
72
73static void
74sc_identify(driver_t *driver, device_t parent)
75{
76
77	/*
78	 * Add with a priority guaranteed to make it last on
79	 * the device list.
80	 */
81	BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
82}
83
84static int
85sc_probe(device_t dev)
86{
87	int unit;
88
89	unit = device_get_unit(dev);
90	if (strcmp(ofw_bus_get_name(dev), SC_DRIVER_NAME) != 0 ||
91	    unit >= SC_MD_MAX)
92		return (ENXIO);
93
94	device_set_desc(dev, "System console");
95	return (sc_probe_unit(unit, device_get_flags(dev) | SC_MD_FLAGS));
96}
97
98static int
99sc_attach(device_t dev)
100{
101
102	return (sc_attach_unit(device_get_unit(dev),
103	    device_get_flags(dev) | SC_MD_FLAGS));
104}
105
106int
107sc_get_cons_priority(int *unit, int *flags)
108{
109
110	*unit = 0;
111	*flags = 0;
112	return (CN_INTERNAL);
113}
114
115int
116sc_max_unit(void)
117{
118
119	return (devclass_get_maxunit(sc_devclass));
120}
121
122sc_softc_t *
123sc_get_softc(int unit, int flags)
124{
125	sc_softc_t *sc;
126
127	if (unit < 0 || unit >= SC_MD_MAX)
128		return (NULL);
129	sc = &sc_softcs[unit];
130	sc->unit = unit;
131	if ((sc->flags & SC_INIT_DONE) == 0) {
132		sc->keyboard = -1;
133		sc->adapter = -1;
134		sc->cursor_char = SC_CURSOR_CHAR;
135		sc->mouse_char = SC_MOUSE_CHAR;
136	}
137	return (sc);
138}
139
140void
141sc_get_bios_values(bios_values_t *values)
142{
143
144}
145
146int
147sc_tone(int hz)
148{
149
150	return (0);
151}
152