2 * Copyright (c) 1999 FreeBSD(98) Porting Team.
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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include "opt_syscons.h"
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
38 #include <sys/consio.h>
39 #include <sys/sysctl.h>
41 #include <machine/clock.h>
43 #include <pc98/pc98/pc98_machdep.h>
45 #include <dev/syscons/syscons.h>
47 #include <isa/isavar.h>
49 static devclass_t sc_devclass;
51 static sc_softc_t main_softc;
54 scidentify(driver_t *driver, device_t parent)
57 BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "sc", 0);
65 if (isa_get_vendorid(dev))
68 device_set_desc(dev, "System console");
69 return (sc_probe_unit(device_get_unit(dev), device_get_flags(dev)));
73 scattach(device_t dev)
76 return sc_attach_unit(device_get_unit(dev), device_get_flags(dev));
83 return (devclass_get_maxunit(sc_devclass));
87 *sc_get_softc(int unit, int flags)
93 if ((flags & SC_KERNEL_CONSOLE) != 0) {
94 /* FIXME: clear if it is wired to another unit! */
97 sc = device_get_softc(devclass_get_device(sc_devclass, unit));
102 if ((sc->flags & SC_INIT_DONE) == 0) {
105 sc->mouse_char = SC_MOUSE_CHAR;
111 *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd)
118 if ((adp == NULL || adp == sc->adp) &&
119 (kbd == NULL || kbd == sc->kbd))
121 units = devclass_get_maxunit(sc_devclass);
122 for (i = 0; i < units; ++i) {
123 sc = device_get_softc(devclass_get_device(sc_devclass, i));
126 if ((adp == NULL || adp == sc->adp) &&
127 (kbd == NULL || kbd == sc->kbd))
134 sc_get_cons_priority(int *unit, int *flags)
140 for (u = 0; u < 16; u++) {
141 if (resource_disabled(SC_DRIVER_NAME, u))
143 if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0)
145 if (resource_int_value(SC_DRIVER_NAME, u, "flags", &f) != 0)
147 if (f & SC_KERNEL_CONSOLE) {
148 /* the user designates this unit to be the console */
154 /* ...otherwise remember the first found unit */
163 return (CN_INTERNAL);
167 sc_get_bios_values(bios_values_t *values)
169 values->cursor_start = 15;
170 values->cursor_end = 16;
171 values->shift_state = 0;
172 values->bell_pitch = BELL_PITCH;
180 if (timer_spkr_acquire())
182 timer_spkr_setfreq(herz);
184 timer_spkr_release();
189 static device_method_t sc_methods[] = {
190 DEVMETHOD(device_identify, scidentify),
191 DEVMETHOD(device_probe, scprobe),
192 DEVMETHOD(device_attach, scattach),
196 static driver_t sc_driver = {
202 DRIVER_MODULE(sc, isa, sc_driver, sc_devclass, 0, 0);