2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/isa/syscons_isa.c,v 1.11.2.2 2001/08/01 10:42:28 yokota Exp $
29 #include "opt_syscons.h"
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/systimer.h>
39 #include <machine/console.h>
41 #include <dev/misc/syscons/syscons.h>
46 static devclass_t sc_devclass;
48 static int scprobe(device_t dev);
49 static int scattach(device_t dev);
51 static device_method_t sc_methods[] = {
52 DEVMETHOD(device_probe, scprobe),
53 DEVMETHOD(device_attach, scattach),
57 static driver_t sc_driver = {
63 static sc_softc_t main_softc;
69 if (isa_get_vendorid(dev))
72 device_set_desc(dev, "System console");
73 return sc_probe_unit(device_get_unit(dev), device_get_flags(dev));
77 scattach(device_t dev)
79 return sc_attach_unit(device_get_unit(dev), device_get_flags(dev));
85 return devclass_get_maxunit(sc_devclass);
89 sc_get_softc(int unit, int flags)
95 if (flags & SC_KERNEL_CONSOLE) {
96 /* FIXME: clear if it is wired to another unit! */
99 sc = (sc_softc_t *)device_get_softc(devclass_get_device(sc_devclass, unit));
104 if (!(sc->flags & SC_INIT_DONE)) {
107 sc->cursor_char = SC_CURSOR_CHAR;
108 sc->mouse_char = SC_MOUSE_CHAR;
114 sc_find_softc(struct video_adapter *adp, struct keyboard *kbd)
121 if (((adp == NULL) || (adp == sc->adp))
122 && ((kbd == NULL) || (kbd == sc->kbd)))
124 units = devclass_get_maxunit(sc_devclass);
125 for (i = 0; i < units; ++i) {
126 sc = (sc_softc_t *)device_get_softc(devclass_get_device(sc_devclass, i));
129 if (((adp == NULL) || (adp == sc->adp))
130 && ((kbd == NULL) || (kbd == sc->kbd)))
137 sc_get_cons_priority(int *unit, int *flags)
144 for (i = -1; (i = resource_locate(i, SC_DRIVER_NAME)) >= 0;) {
145 u = resource_query_unit(i);
146 if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
147 &disabled) == 0) && disabled)
149 if (resource_int_value(SC_DRIVER_NAME, u, "flags", &f) != 0)
151 if (f & SC_KERNEL_CONSOLE) {
152 /* the user designates this unit to be the console */
158 /* ...otherwise remember the first found unit */
163 if ((i < 0) && (*unit < 0))
166 return ((*flags & SC_KERNEL_CONSOLE) ? CN_INTERNAL : CN_NORMAL);
172 sc_get_bios_values(bios_values_t *values)
174 values->cursor_start = 0;
175 values->cursor_end = 32;
176 values->shift_state = 0;
177 values->bell_pitch = BELL_PITCH;
185 /* XXX use sound device if available */
190 DRIVER_MODULE(sc, isa, sc_driver, sc_devclass, NULL, NULL);