iomux.h 1.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
  1. /*
  2. * (C) Copyright 2008
  3. * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. *This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef _IO_MUX_H
  24. #define _IO_MUX_H
  25. #include <stdio_dev.h>
  26. /*
  27. * Stuff required to support console multiplexing.
  28. */
  29. /*
  30. * Pointers to devices used for each file type. Defined in console.c
  31. * but storage is allocated in iomux.c.
  32. */
  33. extern struct stdio_dev **console_devices[MAX_FILES];
  34. /*
  35. * The count of devices assigned to each FILE. Defined in console.c
  36. * and populated in iomux.c.
  37. */
  38. extern int cd_count[MAX_FILES];
  39. int iomux_doenv(const int, const char *);
  40. void iomux_printdevs(const int);
  41. struct stdio_dev *search_device(int, char *);
  42. #endif /* _IO_MUX_H */