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 
10 enum 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 
22 struct vc_data;
23 
24 #ifdef CONFIG_CONSOLE_TRANSLATIONS
25 u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode);
26 unsigned short *set_translate(enum translation_map m, struct vc_data *vc);
27 int conv_uni_to_pc(struct vc_data *conp, long ucs);
28 u32 conv_8bit_to_uni(unsigned char c);
29 int conv_uni_to_8bit(u32 uni);
30 void console_map_init(void);
31 #else
inverse_translate(const struct vc_data * conp,u16 glyph,bool use_unicode)32 static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph,
33 		bool use_unicode)
34 {
35 	return glyph;
36 }
37 
set_translate(enum translation_map m,struct vc_data * vc)38 static inline unsigned short *set_translate(enum translation_map m,
39 		struct vc_data *vc)
40 {
41 	return NULL;
42 }
43 
conv_uni_to_pc(struct vc_data * conp,long ucs)44 static inline int conv_uni_to_pc(struct vc_data *conp, long ucs)
45 {
46 	return ucs > 0xff ? -1 : ucs;
47 }
48 
conv_8bit_to_uni(unsigned char c)49 static inline u32 conv_8bit_to_uni(unsigned char c)
50 {
51 	return c;
52 }
53 
conv_uni_to_8bit(u32 uni)54 static inline int conv_uni_to_8bit(u32 uni)
55 {
56 	return uni & 0xff;
57 }
58 
console_map_init(void)59 static inline void console_map_init(void) { }
60 #endif /* CONFIG_CONSOLE_TRANSLATIONS */
61 
62 #endif /* __LINUX_CONSOLEMAP_H__ */
63