freebsd-nq/sys/powerpc/powerpc/sc_machdep.c
Peter Grehan 462ded3729 A syscons implementation using the 8-bit framebuffer set up by
OpenFirmware. Not at all optimized, but provides a PC-style
user-experience.

Tested on revA imac, B&W G3, 2k iBook, and G4 eMac.
2004-01-21 05:16:23 +00:00

91 lines
2.3 KiB
C

/*-
* Copyright (c) 2003 Jake Burkholder.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/cons.h>
#include <sys/kbio.h>
#include <sys/consio.h>
#include <sys/sysctl.h>
#include <dev/syscons/syscons.h>
static sc_softc_t sc_softcs[8];
int
sc_get_cons_priority(int *unit, int *flags)
{
*unit = 0;
*flags = 0;
return (CN_INTERNAL);
}
int
sc_max_unit(void)
{
return (1);
}
sc_softc_t *
sc_get_softc(int unit, int flags)
{
sc_softc_t *sc;
if (unit < 0)
return (NULL);
sc = &sc_softcs[unit];
sc->unit = unit;
if ((sc->flags & SC_INIT_DONE) == 0) {
sc->keyboard = -1;
sc->adapter = -1;
sc->cursor_char = SC_CURSOR_CHAR;
sc->mouse_char = SC_MOUSE_CHAR;
}
return (sc);
}
void
sc_get_bios_values(bios_values_t *values)
{
values->cursor_start = 0;
values->cursor_end = 32;
values->shift_state = 0;
}
int
sc_tone(int hz)
{
return (0);
}