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 #define LAT1_MAP 0
11 #define GRAF_MAP 1
12 #define IBMPC_MAP 2
13 #define USER_MAP 3
14 
15 #include <linux/types.h>
16 
17 #ifdef CONFIG_CONSOLE_TRANSLATIONS
18 struct vc_data;
19 
20 extern u16 inverse_translate(const struct vc_data *conp, int glyph,
21 		int use_unicode);
22 extern unsigned short *set_translate(int m, struct vc_data *vc);
23 extern int conv_uni_to_pc(struct vc_data *conp, long ucs);
24 extern u32 conv_8bit_to_uni(unsigned char c);
25 extern int conv_uni_to_8bit(u32 uni);
26 void console_map_init(void);
27 #else
28 #define inverse_translate(conp, glyph, uni) ((uint16_t)glyph)
29 #define set_translate(m, vc) ((unsigned short *)NULL)
30 #define conv_uni_to_pc(conp, ucs) ((int) (ucs > 0xff ? -1: ucs))
31 #define conv_8bit_to_uni(c) ((uint32_t)(c))
32 #define conv_uni_to_8bit(c) ((int) ((c) & 0xff))
33 #define console_map_init(c) do { ; } while (0)
34 #endif /* CONFIG_CONSOLE_TRANSLATIONS */
35 
36 #endif /* __LINUX_CONSOLEMAP_H__ */
37