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      1 /*	$NetBSD: maccons.c,v 1.10 2019/07/26 10:48:44 rin 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 1.10 2019/07/26 10:48:44 rin Exp $");
     31 
     32 #include "genfb.h"
     33 #include "macfb.h"
     34 #include "wsdisplay.h"
     35 #include "wskbd.h"
     36 #include "zsc.h"
     37 
     38 #if (NGENFB + NMACFB) > 1
     39 #error "genfb(4) and macfb(4) cannot be enabled at the same time"
     40 #endif
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/conf.h>
     45 
     46 #include <machine/autoconf.h>
     47 #include <machine/cpu.h>
     48 #include <machine/video.h>
     49 
     50 #include <dev/cons.h>
     51 #include <dev/wscons/wsdisplayvar.h>
     52 #include <dev/wscons/wskbdvar.h>
     53 #if NGENFB > 0
     54 #include <dev/wsfb/genfbvar.h>
     55 #endif
     56 
     57 #include <mac68k/dev/akbdvar.h>
     58 #if NMACFB > 0
     59 #include <mac68k/dev/macfbvar.h>
     60 #endif
     61 
     62 void maccnprobe(struct consdev *);
     63 void maccninit(struct consdev *);
     64 int maccngetc(dev_t);
     65 void maccnputc(dev_t, int);
     66 void maccnpollc(dev_t, int);
     67 
     68 static int	maccons_initted = (-1);
     69 
     70 void
     71 maccnprobe(struct consdev *cp)
     72 {
     73 #if NWSDISPLAY > 0
     74 	extern const struct cdevsw wsdisplay_cdevsw;
     75 	int     maj, unit;
     76 #endif
     77 
     78 	cp->cn_dev = NODEV;
     79 	cp->cn_pri = CN_NORMAL;
     80 
     81 #if NWSDISPLAY > 0
     82 	unit = 0;
     83 	maj = cdevsw_lookup_major(&wsdisplay_cdevsw);
     84 	if (maj != -1) {
     85 		cp->cn_pri = CN_INTERNAL;
     86 		cp->cn_dev = makedev(maj, unit);
     87 	}
     88 #endif
     89 }
     90 
     91 void
     92 maccninit(struct consdev *cp)
     93 {
     94 	/*
     95 	 * XXX evil hack; see consinit() for an explanation.
     96 	 * note:  maccons_initted is initialized to (-1).
     97 	 */
     98 	if (++maccons_initted > 0) {
     99 #if NMACFB > 0
    100 		macfb_cnattach(mac68k_video.mv_phys);
    101 #elif NGENFB > 0
    102 		genfb_cnattach();
    103 #endif
    104 		akbd_cnattach();
    105 	}
    106 }
    107 
    108 int
    109 maccngetc (dev_t dev)
    110 {
    111 #if NWSKBD > 0
    112 	if (maccons_initted > 0)
    113 		return wskbd_cngetc(dev);
    114 #endif
    115 	return 0;
    116 }
    117 
    118 void
    119 maccnputc(dev_t dev, int c)
    120 {
    121 #if NZSC > 0
    122 	extern dev_t mac68k_zsdev;
    123 	extern int zscnputc(dev_t, int);
    124 #endif
    125 
    126 #if NWSDISPLAY > 0
    127 	if (maccons_initted > 0)
    128 		wsdisplay_cnputc(dev,c);
    129 #endif
    130 #if NZSC > 0
    131         if (mac68k_machine.serial_boot_echo)
    132                 zscnputc(mac68k_zsdev, c);
    133 #endif
    134 }
    135 
    136 void
    137 maccnpollc(dev_t dev, int on)
    138 {
    139 #if NWSKBD > 0
    140 	if (maccons_initted > 0)
    141 		wskbd_cnpollc(dev,on);
    142 #endif
    143 }
    144