| 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 | bool ucs_is_double_width(uint32_t cp); |
| 32 | bool ucs_is_zero_width(uint32_t cp); |
| 33 | u32 ucs_recompose(u32 base, u32 mark); |
| 34 | u32 ucs_get_fallback(u32 cp); |
| 35 | #else |
| 36 | static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, |
| 37 | bool use_unicode) |
| 38 | { |
| 39 | return glyph; |
| 40 | } |
| 41 | |
| 42 | static inline unsigned short *set_translate(enum translation_map m, |
| 43 | struct vc_data *vc) |
| 44 | { |
| 45 | return NULL; |
| 46 | } |
| 47 | |
| 48 | static inline int conv_uni_to_pc(struct vc_data *conp, long ucs) |
| 49 | { |
| 50 | return ucs > 0xff ? -1 : ucs; |
| 51 | } |
| 52 | |
| 53 | static inline u32 conv_8bit_to_uni(unsigned char c) |
| 54 | { |
| 55 | return c; |
| 56 | } |
| 57 | |
| 58 | static inline int conv_uni_to_8bit(u32 uni) |
| 59 | { |
| 60 | return uni & 0xff; |
| 61 | } |
| 62 | |
| 63 | static inline void console_map_init(void) { } |
| 64 | |
| 65 | static inline bool ucs_is_double_width(uint32_t cp) |
| 66 | { |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | static inline bool ucs_is_zero_width(uint32_t cp) |
| 71 | { |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | static inline u32 ucs_recompose(u32 base, u32 mark) |
| 76 | { |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | static inline u32 ucs_get_fallback(u32 cp) |
| 81 | { |
| 82 | return 0; |
| 83 | } |
| 84 | #endif /* CONFIG_CONSOLE_TRANSLATIONS */ |
| 85 | |
| 86 | #endif /* __LINUX_CONSOLEMAP_H__ */ |
| 87 | |