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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2008
* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
*/
#ifndef _IO_MUX_H
#define _IO_MUX_H
#include <stdio_dev.h>
/*
* Stuff required to support console multiplexing.
*/
/*
* Pointers to devices used for each file type. Defined in console.c
* but storage is allocated in iomux.c.
*/
extern struct stdio_dev **console_devices[MAX_FILES];
/*
* The count of devices assigned to each FILE. Defined in console.c
* and populated in iomux.c.
*/
extern int cd_count[MAX_FILES];
#define for_each_console_dev(i, file, dev) \
for (i = 0; \
i < cd_count[file] && (dev = console_devices[file][i]); \
i++)
int iomux_match_device(struct stdio_dev **, const int, struct stdio_dev *);
int iomux_doenv(const int, const char *);
int iomux_replace_device(const int, const char *, const char *);
void iomux_printdevs(const int);
#endif /* _IO_MUX_H */
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