LXR linux/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
  18struct vc_data;
  19
  20extern u16 inverse_translate(const struct vc_data *conp, int glyph,
  21                int use_unicode);
  22extern unsigned short *set_translate(int m, struct vc_data *vc);
  23extern int conv_uni_to_pc(struct vc_data *conp, long ucs);
  24extern u32 conv_8bit_to_uni(unsigned char c);
  25extern int conv_uni_to_8bit(u32 uni);
  26void 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