The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/arm/sc_machdep.c

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    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 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD$");
   30 
   31 #include <sys/param.h>
   32 #include <sys/systm.h>
   33 #include <sys/kernel.h>
   34 #include <sys/module.h>
   35 #include <sys/bus.h>
   36 #include <sys/cons.h>
   37 #include <sys/kbio.h>
   38 #include <sys/consio.h>
   39 #include <sys/sysctl.h>
   40 
   41 #include <dev/syscons/syscons.h>
   42 
   43 static sc_softc_t sc_softcs[8];
   44 
   45 int
   46 sc_get_cons_priority(int *unit, int *flags)
   47 {
   48 
   49         *unit = 0;
   50         *flags = 0;
   51         return (CN_INTERNAL);
   52 }
   53 
   54 int
   55 sc_max_unit(void)
   56 {
   57         return (1);
   58 }
   59 
   60 sc_softc_t *
   61 sc_get_softc(int unit, int flags)
   62 {
   63         sc_softc_t *sc;
   64 
   65         if (unit < 0)
   66                 return (NULL);
   67         sc = &sc_softcs[unit];
   68         sc->unit = unit;
   69         if ((sc->flags & SC_INIT_DONE) == 0) {
   70                 sc->keyboard = -1;
   71                 sc->adapter = -1;
   72                 sc->cursor_char = SC_CURSOR_CHAR;
   73                 sc->mouse_char = SC_MOUSE_CHAR;
   74         }
   75         return (sc);
   76 }
   77 
   78 void
   79 sc_get_bios_values(bios_values_t *values)
   80 {
   81         values->cursor_start = 0;
   82         values->cursor_end = 32;
   83         values->shift_state = 0;
   84 }
   85 
   86 int
   87 sc_tone(int hz)
   88 {
   89         return (0);
   90 }

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