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maccons.c revision 1.3 
      1 /*	$NetBSD: maccons.c,v 1.3 2002/09/06 13:18:43 gehenna 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 "wsdisplay.h"
     30 #include "wskbd.h"
     31 #include "zsc.h"
     32 
     33 #include <sys/param.h>
     34 #include <sys/systm.h>
     35 #include <sys/conf.h>
     36 
     37 #include <machine/autoconf.h>
     38 #include <machine/cpu.h>
     39 
     40 #include <dev/cons.h>
     41 #include <dev/wscons/wskbdvar.h>
     42 #include <dev/wscons/wsdisplayvar.h>
     43 #include <mac68k/dev/macfbvar.h>
     44 #include <mac68k/dev/akbdvar.h>
     45 
     46 void maccnprobe __P((struct consdev *));
     47 void maccninit __P((struct consdev *));
     48 int maccngetc __P((dev_t));
     49 void maccnputc __P((dev_t, int));
     50 void maccnpollc __P((dev_t, int));
     51 
     52 static int	maccons_initted = (-1);
     53 
     54 /* From Booter via locore */
     55 extern u_int32_t	mac68k_vidphys;
     56 
     57 void
     58 maccnprobe(struct consdev *cp)
     59 {
     60 #if NWSDISPLAY > 0
     61 	extern const struct cdevsw wsdisplay_cdevsw;
     62 	int     maj, unit;
     63 #endif
     64 
     65 	cp->cn_dev = NODEV;
     66 	cp->cn_pri = CN_NORMAL;
     67 
     68 #if NWSDISPLAY > 0
     69 	unit = 0;
     70 	maj = cdevsw_lookup_major(&wsdisplay_cdevsw);
     71 	if (maj != -1) {
     72 		cp->cn_pri = CN_INTERNAL;
     73 		cp->cn_dev = makedev(maj, unit);
     74 	}
     75 #endif
     76 }
     77 
     78 void
     79 maccninit(struct consdev *cp)
     80 {
     81 	/*
     82 	 * XXX evil hack; see consinit() for an explanation.
     83 	 * note:  maccons_initted is initialized to (-1).
     84 	 */
     85 	if (++maccons_initted > 0) {
     86 		macfb_cnattach(mac68k_vidphys);
     87 		akbd_cnattach();
     88 	}
     89 }
     90 
     91 int
     92 maccngetc (dev_t dev)
     93 {
     94 #if NWSKBD > 0
     95 	if (maccons_initted > 0)
     96 		return wskbd_cngetc(dev);
     97 #endif
     98 	return 0;
     99 }
    100 
    101 void
    102 maccnputc(dev_t dev, int c)
    103 {
    104 #if NZSC > 0
    105 	extern dev_t mac68k_zsdev;
    106 	extern int zscnputc __P((dev_t dev, int c));
    107 #endif
    108 
    109 #if NWSDISPLAY > 0
    110 	if (maccons_initted > 0)
    111 		wsdisplay_cnputc(dev,c);
    112 #endif
    113 #if NZSC > 0
    114         if (mac68k_machine.serial_boot_echo)
    115                 zscnputc(mac68k_zsdev, c);
    116 #endif
    117 }
    118 
    119 void
    120 maccnpollc(dev_t dev, int on)
    121 {
    122 #if NWSKBD > 0
    123 	if (maccons_initted > 0)
    124 		wskbd_cnpollc(dev,on);
    125 #endif
    126 }
    127