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>
40 #include <machine/framebuffer.h>
42 #include <dev/misc/syscons/syscons.h>
47 static devclass_t sc_devclass;
49 static int scprobe(device_t dev);
50 static int scattach(device_t dev);
52 static device_method_t sc_methods[] = {
53 DEVMETHOD(device_probe, scprobe),
54 DEVMETHOD(device_attach, scattach),
58 static driver_t sc_driver = {
64 static sc_softc_t main_softc;
70 if (isa_get_vendorid(dev))
73 device_set_desc(dev, "System console");
74 return sc_probe_unit(device_get_unit(dev), device_get_flags(dev));
78 scattach(device_t dev)
80 return sc_attach_unit(device_get_unit(dev), device_get_flags(dev));
86 return devclass_get_maxunit(sc_devclass);
90 sc_get_softc(int unit, int flags)
96 if (flags & SC_KERNEL_CONSOLE) {
97 /* FIXME: clear if it is wired to another unit! */
100 sc = (sc_softc_t *)device_get_softc(devclass_get_device(sc_devclass, unit));
105 if (!(sc->flags & SC_INIT_DONE)) {
108 sc->cursor_char = SC_CURSOR_CHAR;
109 sc->mouse_char = SC_MOUSE_CHAR;
115 sc_find_softc(struct video_adapter *adp, struct keyboard *kbd)
122 if (((adp == NULL) || (adp == sc->adp))
123 && ((kbd == NULL) || (kbd == sc->kbd)))
125 units = devclass_get_maxunit(sc_devclass);
126 for (i = 0; i < units; ++i) {
127 sc = (sc_softc_t *)device_get_softc(devclass_get_device(sc_devclass, i));
130 if (((adp == NULL) || (adp == sc->adp))
131 && ((kbd == NULL) || (kbd == sc->kbd)))
138 sc_get_cons_priority(int *unit, int *flags)
143 int have_efi_fb = (probe_efi_fb(1) == 0);
146 for (i = -1; (i = resource_locate(i, SC_DRIVER_NAME)) >= 0;) {
147 u = resource_query_unit(i);
148 if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
149 &disabled) == 0) && disabled)
151 if (resource_int_value(SC_DRIVER_NAME, u, "flags", &f) != 0)
153 /* We prefer the EFI Framebuffer over other video devices */
154 if (have_efi_fb && !(f & SC_EFI_FB))
156 if (f & SC_KERNEL_CONSOLE) {
157 /* the user designates this unit to be the console */
163 /* ...otherwise remember the first found unit */
168 if ((i < 0) && (*unit < 0))
171 *flags &= ~SC_EFI_FB;
173 return ((*flags & SC_KERNEL_CONSOLE) ? CN_INTERNAL : CN_NORMAL);
179 sc_get_bios_values(bios_values_t *values)
181 values->cursor_start = 0;
182 values->cursor_end = 32;
183 values->shift_state = 0;
184 values->bell_pitch = BELL_PITCH;
192 /* XXX use sound device if available */
197 DRIVER_MODULE(sc, isa, sc_driver, sc_devclass, NULL, NULL);