1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * consolemap.h
4 *
5 * Interface between console.c, selection.c  and consolemap.c
6 */
7#ifndef __LINUX_CONSOLEMAP_H__
8#define __LINUX_CONSOLEMAP_H__
9
10enum translation_map {
11	LAT1_MAP,
12	GRAF_MAP,
13	IBMPC_MAP,
14	USER_MAP,
15
16	FIRST_MAP = LAT1_MAP,
17	LAST_MAP = USER_MAP,
18};
19
20#include <linux/types.h>
21
22struct vc_data;
23
24#ifdef CONFIG_CONSOLE_TRANSLATIONS
25u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode);
26unsigned short *set_translate(enum translation_map m, struct vc_data *vc);
27int conv_uni_to_pc(struct vc_data *conp, long ucs);
28u32 conv_8bit_to_uni(unsigned char c);
29int conv_uni_to_8bit(u32 uni);
30void console_map_init(void);
31#else
32static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph,
33		bool use_unicode)
34{
35	return glyph;
36}
37
38static inline unsigned short *set_translate(enum translation_map m,
39		struct vc_data *vc)
40{
41	return NULL;
42}
43
44static inline int conv_uni_to_pc(struct vc_data *conp, long ucs)
45{
46	return ucs > 0xff ? -1 : ucs;
47}
48
49static inline u32 conv_8bit_to_uni(unsigned char c)
50{
51	return c;
52}
53
54static inline int conv_uni_to_8bit(u32 uni)
55{
56	return uni & 0xff;
57}
58
59static inline void console_map_init(void) { }
60#endif /* CONFIG_CONSOLE_TRANSLATIONS */
61
62#endif /* __LINUX_CONSOLEMAP_H__ */
63