include/iomux.h

   1 /*
   2  * (C) Copyright 2008
   3  * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef _IO_MUX_H
   9 #define _IO_MUX_H
  10
  11 #include <stdio_dev.h>
  12
  13 /*
  14  * Stuff required to support console multiplexing.
  15  */
  16
  17 /*
  18  * Pointers to devices used for each file type.  Defined in console.c
  19  * but storage is allocated in iomux.c.
  20  */
  21 extern struct stdio_dev **console_devices[MAX_FILES];
  22 /*
  23  * The count of devices assigned to each FILE.  Defined in console.c
  24  * and populated in iomux.c.
  25  */
  26 extern int cd_count[MAX_FILES];
  27
  28 int iomux_doenv(const int, const char *);
  29 void iomux_printdevs(const int);
  30 struct stdio_dev *search_device(int, const char *);
  31
  32 #endif /* _IO_MUX_H */