1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2008 3*4882a593Smuzhiyun * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _IO_MUX_H 9*4882a593Smuzhiyun #define _IO_MUX_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <stdio_dev.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* 14*4882a593Smuzhiyun * Stuff required to support console multiplexing. 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* 18*4882a593Smuzhiyun * Pointers to devices used for each file type. Defined in console.c 19*4882a593Smuzhiyun * but storage is allocated in iomux.c. 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun extern struct stdio_dev **console_devices[MAX_FILES]; 22*4882a593Smuzhiyun /* 23*4882a593Smuzhiyun * The count of devices assigned to each FILE. Defined in console.c 24*4882a593Smuzhiyun * and populated in iomux.c. 25*4882a593Smuzhiyun */ 26*4882a593Smuzhiyun extern int cd_count[MAX_FILES]; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun int iomux_doenv(const int, const char *); 29*4882a593Smuzhiyun void iomux_printdevs(const int); 30*4882a593Smuzhiyun struct stdio_dev *search_device(int, const char *); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #endif /* _IO_MUX_H */ 33