include/linux/consolemap.h

   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(struct vc_data *conp, int glyph, int use_unicode);
  21 extern unsigned short *set_translate(int m, struct vc_data *vc);
  22 extern int conv_uni_to_pc(struct vc_data *conp, long ucs);
  23 extern u32 conv_8bit_to_uni(unsigned char c);
  24 extern int conv_uni_to_8bit(u32 uni);
  25 void console_map_init(void);
  26 #else
  27 #define inverse_translate(conp, glyph, uni) ((uint16_t)glyph)
  28 #define set_translate(m, vc) ((unsigned short *)NULL)
  29 #define conv_uni_to_pc(conp, ucs) ((int) (ucs > 0xff ? -1: ucs))
  30 #define conv_8bit_to_uni(c) ((uint32_t)(c))
  31 #define conv_uni_to_8bit(c) ((int) ((c) & 0xff))
  32 #define console_map_init(c) do { ; } while (0)
  33 #endif /* CONFIG_CONSOLE_TRANSLATIONS */
  34
  35 #endif /* __LINUX_CONSOLEMAP_H__ */