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Gary Jennejohn16a28ef2008-11-06 15:04:23 +01001/*
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
24#ifndef _IO_MUX_H
25#define _IO_MUX_H
26
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020027#include <stdio_dev.h>
Gary Jennejohn16a28ef2008-11-06 15:04:23 +010028
29/*
30 * Stuff required to support console multiplexing.
31 */
32
33/*
34 * Pointers to devices used for each file type. Defined in console.c
35 * but storage is allocated in iomux.c.
36 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020037extern struct stdio_dev **console_devices[MAX_FILES];
Gary Jennejohn16a28ef2008-11-06 15:04:23 +010038/*
39 * The count of devices assigned to each FILE. Defined in console.c
40 * and populated in iomux.c.
41 */
42extern int cd_count[MAX_FILES];
43
44int iomux_doenv(const int, const char *);
45void iomux_printdevs(const int);
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020046struct stdio_dev *search_device(int, char *);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +010047
48#endif /* _IO_MUX_H */