1 /* 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 27 #include <stdio_dev.h> 28 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 */ 37 extern struct stdio_dev **console_devices[MAX_FILES]; 38 /* 39 * The count of devices assigned to each FILE. Defined in console.c 40 * and populated in iomux.c. 41 */ 42 extern int cd_count[MAX_FILES]; 43 44 int iomux_doenv(const int, const char *); 45 void iomux_printdevs(const int); 46 struct stdio_dev *search_device(int, const char *); 47 48 #endif /* _IO_MUX_H */ 49