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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, dev = console_devices[file][i]; \
- i < cd_count[file]; \
- i++, dev = console_devices[file][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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