bsd/dev/ppc/cons.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1987 NeXT, Inc.
  27  */
  28
  29 struct consdev {
  30         char    *cn_name;       /* name of device in dev_name_list */
  31         int     (*cn_probe)();  /* probe hardware and fill in consdev info */
  32         int     (*cn_init)();   /* turn on as console */
  33         int     (*cn_getc)();   /* kernel getchar interface */
  34         int     (*cn_putc)();   /* kernel putchar interface */
  35         struct  tty *cn_tp;     /* tty structure for console device */
  36         dev_t   cn_dev;         /* major/minor of device */
  37         short   cn_pri;         /* pecking order; the higher the better */
  38 };
  39
  40 /* values for cn_pri - reflect our policy for console selection */
  41 #define CN_DEAD         0       /* device doesn't exist */
  42 #define CN_NORMAL       1       /* device exists but is nothing special */
  43 #define CN_INTERNAL     2       /* "internal" bit-mapped display */
  44 #define CN_REMOTE       3       /* serial interface with remote bit set */
  45
  46 /* XXX */
  47 #define CONSMAJOR       0
  48
  49 #ifdef KERNEL
  50
  51 #include <sys/types.h>
  52
  53 extern  struct consdev constab[];
  54 extern  struct consdev *cn_tab;
  55 extern  struct tty *cn_tty;
  56
  57 extern struct tty       cons;
  58 extern struct tty       *constty;               /* current console device */
  59 #endif
  60