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cons.c revision 1.10.12.1
      1  1.10.12.1       jym /*	$NetBSD: cons.c,v 1.10.12.1 2009/05/13 17:16:34 jym Exp $	*/
      2        1.1  sakamoto 
      3        1.1  sakamoto /*
      4        1.1  sakamoto  * Copyright (c) 1990, 1993
      5        1.1  sakamoto  *	The Regents of the University of California.  All rights reserved.
      6        1.6       agc  *
      7        1.6       agc  * This code is derived from software contributed to Berkeley by
      8        1.6       agc  * the Systems Programming Group of the University of Utah Computer
      9        1.6       agc  * Science Department.
     10        1.6       agc  *
     11        1.6       agc  * Redistribution and use in source and binary forms, with or without
     12        1.6       agc  * modification, are permitted provided that the following conditions
     13        1.6       agc  * are met:
     14        1.6       agc  * 1. Redistributions of source code must retain the above copyright
     15        1.6       agc  *    notice, this list of conditions and the following disclaimer.
     16        1.6       agc  * 2. Redistributions in binary form must reproduce the above copyright
     17        1.6       agc  *    notice, this list of conditions and the following disclaimer in the
     18        1.6       agc  *    documentation and/or other materials provided with the distribution.
     19        1.6       agc  * 3. Neither the name of the University nor the names of its contributors
     20        1.6       agc  *    may be used to endorse or promote products derived from this software
     21        1.6       agc  *    without specific prior written permission.
     22        1.6       agc  *
     23        1.6       agc  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24        1.6       agc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25        1.6       agc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26        1.6       agc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27        1.6       agc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28        1.6       agc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29        1.6       agc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30        1.6       agc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31        1.6       agc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32        1.6       agc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33        1.6       agc  * SUCH DAMAGE.
     34        1.6       agc  *
     35        1.6       agc  * from: Utah Hdr: cons.c 1.7 92/02/28
     36        1.6       agc  *
     37        1.6       agc  *	@(#)cons.c	8.1 (Berkeley) 6/10/93
     38        1.6       agc  */
     39        1.6       agc /*
     40        1.6       agc  * Copyright (c) 1988 University of Utah.
     41        1.1  sakamoto  *
     42        1.1  sakamoto  * This code is derived from software contributed to Berkeley by
     43        1.1  sakamoto  * the Systems Programming Group of the University of Utah Computer
     44        1.1  sakamoto  * Science Department.
     45        1.1  sakamoto  *
     46        1.1  sakamoto  * Redistribution and use in source and binary forms, with or without
     47        1.1  sakamoto  * modification, are permitted provided that the following conditions
     48        1.1  sakamoto  * are met:
     49        1.1  sakamoto  * 1. Redistributions of source code must retain the above copyright
     50        1.1  sakamoto  *    notice, this list of conditions and the following disclaimer.
     51        1.1  sakamoto  * 2. Redistributions in binary form must reproduce the above copyright
     52        1.1  sakamoto  *    notice, this list of conditions and the following disclaimer in the
     53        1.1  sakamoto  *    documentation and/or other materials provided with the distribution.
     54        1.1  sakamoto  * 3. All advertising materials mentioning features or use of this software
     55        1.1  sakamoto  *    must display the following acknowledgement:
     56        1.1  sakamoto  *	This product includes software developed by the University of
     57        1.1  sakamoto  *	California, Berkeley and its contributors.
     58        1.1  sakamoto  * 4. Neither the name of the University nor the names of its contributors
     59        1.1  sakamoto  *    may be used to endorse or promote products derived from this software
     60        1.1  sakamoto  *    without specific prior written permission.
     61        1.1  sakamoto  *
     62        1.1  sakamoto  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     63        1.1  sakamoto  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     64        1.1  sakamoto  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     65        1.1  sakamoto  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     66        1.1  sakamoto  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     67        1.1  sakamoto  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     68        1.1  sakamoto  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     69        1.1  sakamoto  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     70        1.1  sakamoto  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     71        1.1  sakamoto  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     72        1.1  sakamoto  * SUCH DAMAGE.
     73        1.1  sakamoto  *
     74        1.1  sakamoto  * from: Utah Hdr: cons.c 1.7 92/02/28
     75        1.1  sakamoto  *
     76        1.1  sakamoto  *	@(#)cons.c	8.1 (Berkeley) 6/10/93
     77        1.1  sakamoto  */
     78        1.1  sakamoto 
     79        1.9  kiyohara #include <lib/libsa/stand.h>
     80        1.1  sakamoto #include <sys/param.h>
     81        1.5  sakamoto #include "boot.h"
     82        1.1  sakamoto #include "cons.h"
     83        1.1  sakamoto 
     84        1.2  sakamoto #ifdef CONS_BE
     85        1.9  kiyohara void becnprobe(struct consdev *);
     86        1.9  kiyohara void becninit(struct consdev *);
     87        1.9  kiyohara void becnputchar(void *, register int);
     88        1.9  kiyohara int becngetchar(void *);
     89        1.9  kiyohara int becnscan(void *);
     90        1.2  sakamoto #endif
     91        1.2  sakamoto 
     92        1.2  sakamoto #ifdef CONS_VGA
     93        1.9  kiyohara void vgacnprobe(struct consdev *);
     94        1.9  kiyohara void vgacninit(struct consdev *);
     95        1.9  kiyohara void vgacnputchar(void *, register int);
     96        1.9  kiyohara int vgacngetchar(void *);
     97        1.9  kiyohara int vgacnscan(void *);
     98        1.2  sakamoto #endif
     99        1.2  sakamoto 
    100        1.2  sakamoto #ifdef CONS_SERIAL
    101        1.9  kiyohara void siocnprobe(struct consdev *);
    102        1.9  kiyohara void siocninit(struct consdev *);
    103        1.9  kiyohara void siocnputchar(void *, register int);
    104        1.9  kiyohara int siocngetchar(void *);
    105        1.9  kiyohara int siocnscan(void *);
    106        1.4  sakamoto # include "ns16550.h"
    107        1.4  sakamoto # ifndef COMPORT
    108        1.4  sakamoto #  define COMPORT COM1
    109        1.4  sakamoto # endif
    110        1.4  sakamoto # ifndef COMSPEED
    111        1.4  sakamoto #  define COMSPEED 9600
    112        1.4  sakamoto # endif
    113        1.2  sakamoto #endif
    114        1.1  sakamoto 
    115        1.1  sakamoto struct consdev constab[] = {
    116        1.2  sakamoto #ifdef CONS_BE
    117        1.4  sakamoto 	{ "be", 0xd0000000, 0,
    118        1.5  sakamoto 	    becnprobe, becninit, becngetchar, becnputchar, becnscan },
    119        1.2  sakamoto #endif
    120        1.1  sakamoto #ifdef CONS_VGA
    121        1.4  sakamoto 	{ "vga", 0xc0000000, 0,
    122        1.5  sakamoto 	    vgacnprobe, vgacninit, vgacngetchar, vgacnputchar, vgacnscan },
    123        1.1  sakamoto #endif
    124        1.1  sakamoto #ifdef CONS_SERIAL
    125        1.4  sakamoto 	{ "com", COMPORT, COMSPEED,
    126        1.5  sakamoto 	    siocnprobe, siocninit, siocngetchar, siocnputchar, siocnscan },
    127        1.1  sakamoto #endif
    128        1.1  sakamoto 	{ 0 }
    129        1.1  sakamoto };
    130        1.1  sakamoto 
    131        1.1  sakamoto struct consdev *cn_tab;
    132        1.1  sakamoto 
    133        1.2  sakamoto char *
    134        1.9  kiyohara cninit(int *addr, int *speed)
    135        1.1  sakamoto {
    136        1.1  sakamoto 	register struct consdev *cp;
    137        1.1  sakamoto 
    138        1.1  sakamoto 	cn_tab = NULL;
    139        1.1  sakamoto 	for (cp = constab; cp->cn_probe; cp++) {
    140        1.1  sakamoto 		(*cp->cn_probe)(cp);
    141        1.1  sakamoto 		if (cp->cn_pri > CN_DEAD &&
    142        1.1  sakamoto 		    (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri))
    143        1.1  sakamoto 			cn_tab = cp;
    144        1.1  sakamoto 	}
    145        1.1  sakamoto 	if (cn_tab) {
    146        1.1  sakamoto 		(*cn_tab->cn_init)(cn_tab);
    147        1.4  sakamoto 		*addr = cn_tab->address;
    148        1.4  sakamoto 		*speed = cn_tab->speed;
    149        1.5  sakamoto 		return (cn_tab->cn_name);
    150        1.1  sakamoto 	}
    151        1.2  sakamoto 
    152        1.5  sakamoto 	return (NULL);
    153        1.1  sakamoto }
    154        1.1  sakamoto 
    155        1.4  sakamoto int
    156  1.10.12.1       jym cngetc(void)
    157        1.1  sakamoto {
    158        1.9  kiyohara 
    159        1.1  sakamoto 	if (cn_tab)
    160        1.1  sakamoto 		return ((*cn_tab->cn_getc)(cn_tab->cn_dev));
    161        1.1  sakamoto 	return (0);
    162        1.1  sakamoto }
    163        1.1  sakamoto 
    164        1.4  sakamoto void
    165        1.9  kiyohara cnputc(int c)
    166        1.1  sakamoto {
    167        1.9  kiyohara 
    168        1.1  sakamoto 	if (cn_tab)
    169        1.1  sakamoto 		(*cn_tab->cn_putc)(cn_tab->cn_dev, c);
    170        1.1  sakamoto }
    171        1.1  sakamoto 
    172        1.4  sakamoto int
    173  1.10.12.1       jym cnscan(void)
    174        1.1  sakamoto {
    175        1.9  kiyohara 
    176        1.1  sakamoto 	if (cn_tab)
    177        1.1  sakamoto 		return ((*cn_tab->cn_scan)(cn_tab->cn_dev));
    178        1.8   tsutsui 	return -1;
    179        1.1  sakamoto }
    180        1.1  sakamoto 
    181        1.2  sakamoto #ifdef CONS_BE
    182        1.1  sakamoto /*
    183        1.1  sakamoto  * BeBox default console
    184        1.1  sakamoto  */
    185        1.1  sakamoto void
    186        1.9  kiyohara becnprobe(struct consdev *cp)
    187        1.1  sakamoto {
    188        1.9  kiyohara 
    189        1.2  sakamoto 	cp->cn_pri = CN_INTERNAL;
    190        1.1  sakamoto }
    191        1.1  sakamoto 
    192        1.1  sakamoto void
    193        1.9  kiyohara becninit(struct consdev *cp)
    194        1.1  sakamoto {
    195        1.9  kiyohara 
    196        1.5  sakamoto 	video_init((u_char *)cp->address);
    197        1.1  sakamoto 	kbdreset();
    198       1.10  kiyohara 	kbd(1);		/* read out ugly data */
    199        1.1  sakamoto }
    200        1.1  sakamoto 
    201        1.4  sakamoto int
    202        1.9  kiyohara becngetchar(void *dev)
    203        1.1  sakamoto {
    204        1.9  kiyohara 
    205        1.2  sakamoto 	return (kbd_getc());
    206        1.1  sakamoto }
    207        1.1  sakamoto 
    208        1.1  sakamoto void
    209        1.9  kiyohara becnputchar(void *dev, register int c)
    210        1.1  sakamoto {
    211        1.9  kiyohara 
    212        1.2  sakamoto 	video_putc(c);
    213        1.1  sakamoto }
    214        1.1  sakamoto 
    215        1.4  sakamoto int
    216        1.9  kiyohara becnscan(void *dev)
    217        1.1  sakamoto {
    218        1.9  kiyohara 
    219        1.1  sakamoto 	return (kbd(1));
    220        1.1  sakamoto }
    221        1.9  kiyohara #endif /* CONS_BE */
    222        1.1  sakamoto 
    223        1.2  sakamoto #ifdef CONS_VGA
    224        1.2  sakamoto /*
    225        1.2  sakamoto  * VGA console
    226        1.2  sakamoto  */
    227        1.2  sakamoto void
    228        1.9  kiyohara vgacnprobe(struct consdev *cp)
    229        1.2  sakamoto {
    230        1.9  kiyohara 
    231        1.2  sakamoto 	cp->cn_pri = CN_NORMAL;
    232        1.2  sakamoto }
    233        1.2  sakamoto 
    234        1.2  sakamoto void
    235        1.9  kiyohara vgacninit(struct consdev *cp)
    236        1.2  sakamoto {
    237        1.9  kiyohara 
    238        1.5  sakamoto 	vga_reset((u_char *)cp->address);
    239        1.5  sakamoto 	vga_init((u_char *)cp->address);
    240        1.2  sakamoto 	kbdreset();
    241        1.2  sakamoto }
    242        1.2  sakamoto 
    243        1.4  sakamoto int
    244        1.9  kiyohara vgacngetchar(void *dev)
    245        1.2  sakamoto {
    246        1.9  kiyohara 
    247        1.2  sakamoto 	return (kbd_getc());
    248        1.2  sakamoto }
    249        1.2  sakamoto 
    250        1.2  sakamoto void
    251        1.9  kiyohara vgacnputchar(void *dev, register int c)
    252        1.2  sakamoto {
    253        1.9  kiyohara 
    254        1.2  sakamoto 	vga_putc(c);
    255        1.2  sakamoto }
    256        1.2  sakamoto 
    257        1.4  sakamoto int
    258        1.9  kiyohara vgacnscan(void *dev)
    259        1.2  sakamoto {
    260        1.9  kiyohara 
    261        1.2  sakamoto 	return (kbd(1));
    262        1.2  sakamoto }
    263        1.2  sakamoto #endif /* CONS_VGA */
    264        1.2  sakamoto 
    265        1.1  sakamoto #ifdef CONS_SERIAL
    266        1.1  sakamoto /*
    267        1.2  sakamoto  * serial console
    268        1.1  sakamoto  */
    269        1.1  sakamoto void
    270        1.9  kiyohara siocnprobe(struct consdev *cp)
    271        1.1  sakamoto {
    272        1.9  kiyohara 
    273        1.1  sakamoto 	cp->cn_pri = CN_REMOTE;
    274        1.1  sakamoto }
    275        1.1  sakamoto 
    276        1.1  sakamoto void
    277        1.9  kiyohara siocninit(struct consdev *cp)
    278        1.1  sakamoto {
    279        1.9  kiyohara 
    280        1.4  sakamoto 	cp->cn_dev = (void *)NS16550_init(cp->address, cp->speed);
    281        1.1  sakamoto }
    282        1.1  sakamoto 
    283        1.4  sakamoto int
    284        1.9  kiyohara siocngetchar(void *dev)
    285        1.1  sakamoto {
    286        1.9  kiyohara 
    287        1.4  sakamoto 	return (NS16550_getc((struct NS16550 *)dev));
    288        1.1  sakamoto }
    289        1.1  sakamoto 
    290        1.1  sakamoto void
    291        1.9  kiyohara siocnputchar(void *dev, register int c)
    292        1.1  sakamoto {
    293        1.9  kiyohara 
    294        1.1  sakamoto 	if (c == '\n')
    295        1.4  sakamoto 		NS16550_putc((struct NS16550 *)dev, '\r');
    296        1.4  sakamoto 	NS16550_putc((struct NS16550 *)dev, c);
    297        1.1  sakamoto }
    298        1.1  sakamoto 
    299        1.4  sakamoto int
    300        1.9  kiyohara siocnscan(void *dev)
    301        1.1  sakamoto {
    302        1.9  kiyohara 
    303        1.4  sakamoto 	return (NS16550_scankbd((struct NS16550 *)dev));
    304        1.1  sakamoto }
    305        1.1  sakamoto #endif /* CONS_SERIAL */
    306