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maccons.c revision 1.5 
      1 /*	$NetBSD: maccons.c,v 1.5 2005/01/15 16:00:59 chs 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 1.5 2005/01/15 16:00:59 chs 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 <dev/cons.h>
     44 #include <dev/wscons/wskbdvar.h>
     45 #include <dev/wscons/wsdisplayvar.h>
     46 #include <mac68k/dev/macfbvar.h>
     47 #include <mac68k/dev/akbdvar.h>
     48 
     49 void maccnprobe(struct consdev *);
     50 void maccninit(struct consdev *);
     51 int maccngetc(dev_t);
     52 void maccnputc(dev_t, int);
     53 void maccnpollc(dev_t, int);
     54 
     55 static int	maccons_initted = (-1);
     56 
     57 /* From Booter via locore */
     58 extern u_int32_t	mac68k_vidphys;
     59 
     60 void
     61 maccnprobe(struct consdev *cp)
     62 {
     63 #if NWSDISPLAY > 0
     64 	extern const struct cdevsw wsdisplay_cdevsw;
     65 	int     maj, unit;
     66 #endif
     67 
     68 	cp->cn_dev = NODEV;
     69 	cp->cn_pri = CN_NORMAL;
     70 
     71 #if NWSDISPLAY > 0
     72 	unit = 0;
     73 	maj = cdevsw_lookup_major(&wsdisplay_cdevsw);
     74 	if (maj != -1) {
     75 		cp->cn_pri = CN_INTERNAL;
     76 		cp->cn_dev = makedev(maj, unit);
     77 	}
     78 #endif
     79 }
     80 
     81 void
     82 maccninit(struct consdev *cp)
     83 {
     84 	/*
     85 	 * XXX evil hack; see consinit() for an explanation.
     86 	 * note:  maccons_initted is initialized to (-1).
     87 	 */
     88 	if (++maccons_initted > 0) {
     89 		macfb_cnattach(mac68k_vidphys);
     90 		akbd_cnattach();
     91 	}
     92 }
     93 
     94 int
     95 maccngetc (dev_t dev)
     96 {
     97 #if NWSKBD > 0
     98 	if (maccons_initted > 0)
     99 		return wskbd_cngetc(dev);
    100 #endif
    101 	return 0;
    102 }
    103 
    104 void
    105 maccnputc(dev_t dev, int c)
    106 {
    107 #if NZSC > 0
    108 	extern dev_t mac68k_zsdev;
    109 	extern int zscnputc(dev_t, int);
    110 #endif
    111 
    112 #if NWSDISPLAY > 0
    113 	if (maccons_initted > 0)
    114 		wsdisplay_cnputc(dev,c);
    115 #endif
    116 #if NZSC > 0
    117         if (mac68k_machine.serial_boot_echo)
    118                 zscnputc(mac68k_zsdev, c);
    119 #endif
    120 }
    121 
    122 void
    123 maccnpollc(dev_t dev, int on)
    124 {
    125 #if NWSKBD > 0
    126 	if (maccons_initted > 0)
    127 		wskbd_cnpollc(dev,on);
    128 #endif
    129 }
    130