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

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FreeBSD/Linux Kernel Cross Reference sys/sparc64/sparc64/sc_machdep.c

FreeBSD/Linux Kernel Cross Reference
sys/sparc64/sparc64/sc_machdep.c