xref: /freebsd/sys/compat/linuxkpi/common/include/linux/console.h (revision 57c9ec539cbae4239390b8877e38b1e1f82710ae)
1 /*-
2  * Copyright (c) 2022 Beckhoff Automation GmbH & Co. KG
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  */
26 
27 #ifndef _LINUXKPI_LINUX_CONSOLE_H_
28 #define	_LINUXKPI_LINUX_CONSOLE_H_
29 
30 #include <linux/types.h>
31 
32 static inline void
console_lock(void)33 console_lock(void)
34 {
35 }
36 
37 static inline int
console_trylock(void)38 console_trylock(void)
39 {
40 	return (1);
41 }
42 
43 static inline void
console_unlock(void)44 console_unlock(void)
45 {
46 }
47 
48 static inline bool
vgacon_text_force(void)49 vgacon_text_force(void)
50 {
51 
52 	return (false);
53 }
54 
55 #endif	/* _LINUXKPI_LINUX_CONSOLE_H_ */
56