sys/arch/sun2/dev/cons.h

   1 /*      $NetBSD: cons.h,v 1.1.16.1 2005/01/24 08:34:34 skrll Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2000 Eduardo E. Horvath
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 /*
  32  * PROM console driver.
  33  *
  34  * This is the default fallback console driver if nothing else attaches.
  35  */
  36
  37 struct pconssoftc {
  38         struct device of_dev;
  39         struct tty *of_tty;
  40         struct callout sc_poll_ch;
  41         int of_flags;
  42 };
  43 /* flags: */
  44 #define OFPOLL          1
  45
  46 #define OFBURSTLEN      128     /* max number of bytes to write in one chunk */
  47
  48 /* These are shared with the consinit OBP console */
  49 void pcons_cnpollc(dev_t dev, int on);
  50
  51 struct consdev;
  52 struct zs_chanstate;
  53
  54 extern void *zs_conschan;
  55
  56 extern void nullcnprobe(struct consdev *);
  57
  58 extern int  zs_getc(void *arg);
  59 extern void zs_putc(void *arg, int c);
  60
  61 #ifdef  KGDB
  62 void zs_kgdb_init(void);
  63 void zskgdb(struct zs_chanstate *);
  64 void *zs_find_prom(int);
  65 #endif
  66
  67 /*
  68  * PROM I/O nodes and arguments are prepared by consinit().
  69  * Drivers can examine these when looking for a console device match.
  70  */
  71 extern int prom_stdin_node;
  72 extern int prom_stdout_node;
  73 extern char prom_stdin_args[];
  74 extern char prom_stdout_args[];