blob: d104baf02818ebc45c99287ab05954f5d48faaef [file] [log] [blame]
Gary Jennejohn16a28ef2008-11-06 15:04:23 +01001/*
2 * (C) Copyright 2008
3 * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Gary Jennejohn16a28ef2008-11-06 15:04:23 +01006 */
7
8#ifndef _IO_MUX_H
9#define _IO_MUX_H
10
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020011#include <stdio_dev.h>
Gary Jennejohn16a28ef2008-11-06 15:04:23 +010012
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 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020021extern struct stdio_dev **console_devices[MAX_FILES];
Gary Jennejohn16a28ef2008-11-06 15:04:23 +010022/*
23 * The count of devices assigned to each FILE. Defined in console.c
24 * and populated in iomux.c.
25 */
26extern int cd_count[MAX_FILES];
27
28int iomux_doenv(const int, const char *);
29void iomux_printdevs(const int);
Mike Frysingerd7be3052010-10-20 07:18:03 -040030struct stdio_dev *search_device(int, const char *);
Gary Jennejohn16a28ef2008-11-06 15:04:23 +010031
32#endif /* _IO_MUX_H */