Home | History | Annotate | Download | only in include
      1 /* ----------------------------------------------------------------------- *
      2  *
      3  *   Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
      4  *
      5  *   Permission is hereby granted, free of charge, to any person
      6  *   obtaining a copy of this software and associated documentation
      7  *   files (the "Software"), to deal in the Software without
      8  *   restriction, including without limitation the rights to use,
      9  *   copy, modify, merge, publish, distribute, sublicense, and/or
     10  *   sell copies of the Software, and to permit persons to whom
     11  *   the Software is furnished to do so, subject to the following
     12  *   conditions:
     13  *
     14  *   The above copyright notice and this permission notice shall
     15  *   be included in all copies or substantial portions of the Software.
     16  *
     17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  *   OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * ----------------------------------------------------------------------- */
     27 
     28 /*
     29  * console.h
     30  *
     31  * Alternative consoles
     32  */
     33 
     34 #ifndef _DEV_H
     35 #define _DEV_H
     36 
     37 #include <klibc/extern.h>
     38 #include <stdint.h>
     39 #include <stddef.h>
     40 
     41 struct input_dev;
     42 struct output_dev;
     43 
     44 __extern int opendev(const struct input_dev *, const struct output_dev *, int);
     45 __extern int openmem(const void *, size_t, int);
     46 
     47 /* Common generic devices */
     48 
     49 /* Null device */
     50 extern const struct input_dev dev_null_r;
     51 extern const struct output_dev dev_null_w;
     52 
     53 /* Error device */
     54 extern const struct input_dev dev_error_r;
     55 extern const struct output_dev dev_error_w;
     56 
     57 #endif /* _DEV_H */
     58