sys/arch/mac68k/dev/maccons.c

   1 /*      $NetBSD: maccons.c,v 1.6.38.1 2007/10/03 19:24:06 garbled Exp $ */
   2
   3 /*
   4  * Copyright (C) 1999 Scott Reynolds.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  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.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: maccons.c,v 1.6.38.1 2007/10/03 19:24:06 garbled Exp $");
  31
  32 #include "wsdisplay.h"
  33 #include "wskbd.h"
  34 #include "zsc.h"
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/conf.h>
  39
  40 #include <machine/autoconf.h>
  41 #include <machine/cpu.h>
  42
  43 #include <machine/video.h>
  44 #include <dev/cons.h>
  45 #include <dev/wscons/wskbdvar.h>
  46 #include <dev/wscons/wsdisplayvar.h>
  47 #include <mac68k/dev/macfbvar.h>
  48 #include <mac68k/dev/akbdvar.h>
  49
  50 void maccnprobe(struct consdev *);
  51 void maccninit(struct consdev *);
  52 int maccngetc(dev_t);
  53 void maccnputc(dev_t, int);
  54 void maccnpollc(dev_t, int);
  55
  56 static int      maccons_initted = (-1);
  57
  58 void
  59 maccnprobe(struct consdev *cp)
  60 {
  61 #if NWSDISPLAY > 0
  62         extern const struct cdevsw wsdisplay_cdevsw;
  63         int     maj, unit;
  64 #endif
  65
  66         cp->cn_dev = NODEV;
  67         cp->cn_pri = CN_NORMAL;
  68
  69 #if NWSDISPLAY > 0
  70         unit = 0;
  71         maj = cdevsw_lookup_major(&wsdisplay_cdevsw);
  72         if (maj != -1) {
  73                 cp->cn_pri = CN_INTERNAL;
  74                 cp->cn_dev = makedev(maj, unit);
  75         }
  76 #endif
  77 }
  78
  79 void
  80 maccninit(struct consdev *cp)
  81 {
  82         /*
  83          * XXX evil hack; see consinit() for an explanation.
  84          * note:  maccons_initted is initialized to (-1).
  85          */
  86         if (++maccons_initted > 0) {
  87                 macfb_cnattach(mac68k_video.mv_phys);
  88                 akbd_cnattach();
  89         }
  90 }
  91
  92 int
  93 maccngetc (dev_t dev)
  94 {
  95 #if NWSKBD > 0
  96         if (maccons_initted > 0)
  97                 return wskbd_cngetc(dev);
  98 #endif
  99         return 0;
 100 }
 101
 102 void
 103 maccnputc(dev_t dev, int c)
 104 {
 105 #if NZSC > 0
 106         extern dev_t mac68k_zsdev;
 107         extern int zscnputc(dev_t, int);
 108 #endif
 109
 110 #if NWSDISPLAY > 0
 111         if (maccons_initted > 0)
 112                 wsdisplay_cnputc(dev,c);
 113 #endif
 114 #if NZSC > 0
 115         if (mac68k_machine.serial_boot_echo)
 116                 zscnputc(mac68k_zsdev, c);
 117 #endif
 118 }
 119
 120 void
 121 maccnpollc(dev_t dev, int on)
 122 {
 123 #if NWSKBD > 0
 124         if (maccons_initted > 0)
 125                 wskbd_cnpollc(dev,on);
 126 #endif
 127 }