Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _KBD_KERN_H |
3 | #define _KBD_KERN_H | |
4 | ||
5 | #include <linux/tty.h> | |
6 | #include <linux/interrupt.h> | |
7 | #include <linux/keyboard.h> | |
8 | ||
1da177e4 | 9 | extern char *func_table[MAX_NR_FUNC]; |
1da177e4 LT |
10 | |
11 | /* | |
12 | * kbd->xxx contains the VC-local things (flag settings etc..) | |
13 | * | |
14 | * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h | |
15 | * The code in KDGETLED / KDSETLED depends on the internal and | |
16 | * external order being the same. | |
17 | * | |
18 | * Note: lockstate is used as index in the array key_map. | |
19 | */ | |
20 | struct kbd_struct { | |
21 | ||
22 | unsigned char lockstate; | |
23 | /* 8 modifiers - the names do not have any meaning at all; | |
24 | they can be associated to arbitrarily chosen keys */ | |
25 | #define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */ | |
26 | #define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */ | |
27 | #define VC_CTRLLOCK KG_CTRL /* control lock mode */ | |
28 | #define VC_ALTLOCK KG_ALT /* alt lock mode */ | |
29 | #define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */ | |
30 | #define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */ | |
31 | #define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */ | |
32 | #define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */ | |
33 | unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */ | |
34 | ||
cf940ebe | 35 | unsigned char ledmode:1; |
1da177e4 LT |
36 | #define LED_SHOW_FLAGS 0 /* traditional state */ |
37 | #define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */ | |
1da177e4 LT |
38 | |
39 | unsigned char ledflagstate:4; /* flags, not lights */ | |
40 | unsigned char default_ledflagstate:4; | |
41 | #define VC_SCROLLOCK 0 /* scroll-lock mode */ | |
42 | #define VC_NUMLOCK 1 /* numeric lock mode */ | |
43 | #define VC_CAPSLOCK 2 /* capslock mode */ | |
44 | #define VC_KANALOCK 3 /* kanalock mode */ | |
45 | ||
9fc3de9c | 46 | unsigned char kbdmode:3; /* one 3-bit value */ |
1da177e4 LT |
47 | #define VC_XLATE 0 /* translate keycodes using keymap */ |
48 | #define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */ | |
49 | #define VC_RAW 2 /* raw (scancode) mode */ | |
50 | #define VC_UNICODE 3 /* Unicode mode */ | |
9fc3de9c | 51 | #define VC_OFF 4 /* disabled mode */ |
1da177e4 LT |
52 | |
53 | unsigned char modeflags:5; | |
54 | #define VC_APPLIC 0 /* application key mode */ | |
55 | #define VC_CKMODE 1 /* cursor key mode */ | |
56 | #define VC_REPEAT 2 /* keyboard repeat */ | |
57 | #define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */ | |
58 | #define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */ | |
59 | }; | |
60 | ||
1da177e4 LT |
61 | extern int kbd_init(void); |
62 | ||
1da177e4 LT |
63 | extern void setledstate(struct kbd_struct *kbd, unsigned int led); |
64 | ||
65 | extern int do_poke_blanked_console; | |
66 | ||
67 | extern void (*kbd_ledfunc)(unsigned int led); | |
68 | ||
b257bc05 | 69 | extern int set_console(int nr); |
1da177e4 LT |
70 | extern void schedule_console_callback(void); |
71 | ||
1da177e4 LT |
72 | static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) |
73 | { | |
74 | return ((kbd->modeflags >> flag) & 1); | |
75 | } | |
76 | ||
77 | static inline int vc_kbd_led(struct kbd_struct * kbd, int flag) | |
78 | { | |
79 | return ((kbd->ledflagstate >> flag) & 1); | |
80 | } | |
81 | ||
82 | static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag) | |
83 | { | |
84 | kbd->modeflags |= 1 << flag; | |
85 | } | |
86 | ||
87 | static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag) | |
88 | { | |
89 | kbd->ledflagstate |= 1 << flag; | |
90 | } | |
91 | ||
92 | static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag) | |
93 | { | |
94 | kbd->modeflags &= ~(1 << flag); | |
95 | } | |
96 | ||
97 | static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag) | |
98 | { | |
99 | kbd->ledflagstate &= ~(1 << flag); | |
100 | } | |
101 | ||
102 | static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag) | |
103 | { | |
104 | kbd->lockstate ^= 1 << flag; | |
105 | } | |
106 | ||
107 | static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag) | |
108 | { | |
109 | kbd->slockstate ^= 1 << flag; | |
110 | } | |
111 | ||
112 | static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag) | |
113 | { | |
114 | kbd->modeflags ^= 1 << flag; | |
115 | } | |
116 | ||
117 | static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) | |
118 | { | |
119 | kbd->ledflagstate ^= 1 << flag; | |
120 | } | |
121 | ||
122 | #define U(x) ((x) ^ 0xf000) | |
123 | ||
b9ec4e10 ST |
124 | #define BRL_UC_ROW 0x2800 |
125 | ||
1da177e4 LT |
126 | /* keyboard.c */ |
127 | ||
128 | struct console; | |
129 | ||
63f24a7f | 130 | void vt_set_leds_compute_shiftstate(void); |
1da177e4 LT |
131 | |
132 | /* defkeymap.c */ | |
133 | ||
134 | extern unsigned int keymap_count; | |
135 | ||
1da177e4 | 136 | #endif |