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/sparc64/sparc64/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 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/6.0/sys/sparc64/sparc64/sc_machdep.c 146480 2005-05-21 20:38:26Z marius $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/bus.h>
   33 #include <sys/cons.h>
   34 #include <sys/consio.h>
   35 #include <sys/kernel.h>
   36 #include <sys/limits.h>
   37 #include <sys/module.h>
   38 
   39 #include <dev/ofw/openfirm.h>
   40 
   41 #include <machine/bus.h>
   42 #include <machine/nexusvar.h>
   43 
   44 #include <dev/syscons/syscons.h>
   45 
   46 #define SC_MD_MAX       8
   47 #define SC_MD_FLAGS     SC_AUTODETECT_KBD
   48 
   49 static sc_softc_t sc_softcs[SC_MD_MAX];
   50 
   51 static device_identify_t sc_identify;
   52 static device_probe_t sc_probe;
   53 static device_attach_t sc_attach;
   54 
   55 static device_method_t sc_methods[] = {
   56         /* Device interface */
   57         DEVMETHOD(device_identify,      sc_identify),
   58         DEVMETHOD(device_probe,         sc_probe),
   59         DEVMETHOD(device_attach,        sc_attach),
   60 
   61         { 0, 0 }
   62 };
   63 
   64 static driver_t sc_driver = {
   65         SC_DRIVER_NAME,
   66         sc_methods,
   67         1,      /* no softc */
   68 };
   69 
   70 static devclass_t sc_devclass;
   71 
   72 DRIVER_MODULE(sc, nexus, sc_driver, sc_devclass, 0, 0);
   73 
   74 static void
   75 sc_identify(driver_t *driver, device_t parent)
   76 {
   77 
   78         /*
   79          * Add with a priority guaranteed to make it last on
   80          * the device list.
   81          */
   82         BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
   83 }
   84 
   85 static int
   86 sc_probe(device_t dev)
   87 {
   88         int unit;
   89 
   90         unit = device_get_unit(dev);
   91         if (strcmp(nexus_get_name(dev), SC_DRIVER_NAME) != 0 ||
   92             unit >= SC_MD_MAX)
   93                 return (ENXIO);
   94 
   95         device_set_desc(dev, "System console");
   96         return (sc_probe_unit(unit, device_get_flags(dev) | SC_MD_FLAGS));
   97 }
   98 
   99 static int
  100 sc_attach(device_t dev)
  101 {
  102 
  103         return (sc_attach_unit(device_get_unit(dev),
  104             device_get_flags(dev) | SC_MD_FLAGS));
  105 }
  106 
  107 int
  108 sc_get_cons_priority(int *unit, int *flags)
  109 {
  110 
  111         *unit = 0;
  112         *flags = 0;
  113         return (CN_INTERNAL);
  114 }
  115 
  116 int
  117 sc_max_unit(void)
  118 {
  119 
  120         return (devclass_get_maxunit(sc_devclass));
  121 }
  122 
  123 sc_softc_t *
  124 sc_get_softc(int unit, int flags)
  125 {
  126         sc_softc_t *sc;
  127 
  128         if (unit < 0 || unit >= SC_MD_MAX)
  129                 return (NULL);
  130         sc = &sc_softcs[unit];
  131         sc->unit = unit;
  132         if ((sc->flags & SC_INIT_DONE) == 0) {
  133                 sc->keyboard = -1;
  134                 sc->adapter = -1;
  135                 sc->cursor_char = SC_CURSOR_CHAR;
  136                 sc->mouse_char = SC_MOUSE_CHAR;
  137         }
  138         return (sc);
  139 }
  140 
  141 void
  142 sc_get_bios_values(bios_values_t *values)
  143 {
  144 
  145 }
  146 
  147 int
  148 sc_tone(int hz)
  149 {
  150 
  151         return (0);
  152 }

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