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      1 /*	$NetBSD: fdt_console.h,v 1.1 2025/09/06 22:53:48 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_FDT_FDT_CONSOLE_H_
     30 #define _DEV_FDT_FDT_CONSOLE_H_
     31 
     32 #include <sys/termios.h>
     33 
     34 struct fdt_console {
     35 	int	(*match)(int);
     36 	void	(*consinit)(struct fdt_attach_args *, u_int);
     37 };
     38 
     39 struct fdt_console_info {
     40 	const struct fdt_console *ops;
     41 };
     42 
     43 #define	_FDT_CONSOLE_REGISTER(name)	\
     44 	__link_set_add_rodata(fdt_consoles, __CONCAT(name,_consinfo));
     45 
     46 #define	FDT_CONSOLE(_name, _ops)					\
     47 static const struct fdt_console_info __CONCAT(_name,_consinfo) = {	\
     48 	.ops = (_ops)							\
     49 };									\
     50 _FDT_CONSOLE_REGISTER(_name)
     51 
     52 const struct fdt_console *
     53 		fdtbus_get_console(void);
     54 
     55 const char *	fdtbus_get_stdout_path(void);
     56 int		fdtbus_get_stdout_phandle(void);
     57 int		fdtbus_get_stdout_speed(void);
     58 tcflag_t	fdtbus_get_stdout_flags(void);
     59 
     60 #endif /* _DEV_FDT_FDT_CONSOLE_H_ */
     61