1 /* SPDX-License-Identifier: GPL-2.0 */
6 #include <linux/interrupt.h>
7 #include <linux/keyboard.h>
9 extern struct tasklet_struct keyboard_tasklet;
11 extern char *func_table[MAX_NR_FUNC];
14 * kbd->xxx contains the VC-local things (flag settings etc..)
16 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
17 * The code in KDGETLED / KDSETLED depends on the internal and
18 * external order being the same.
20 * Note: lockstate is used as index in the array key_map.
24 unsigned char lockstate;
25 /* 8 modifiers - the names do not have any meaning at all;
26 they can be associated to arbitrarily chosen keys */
27 #define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */
28 #define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */
29 #define VC_CTRLLOCK KG_CTRL /* control lock mode */
30 #define VC_ALTLOCK KG_ALT /* alt lock mode */
31 #define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */
32 #define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */
33 #define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */
34 #define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */
35 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */
37 unsigned char ledmode:1;
38 #define LED_SHOW_FLAGS 0 /* traditional state */
39 #define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
41 unsigned char ledflagstate:4; /* flags, not lights */
42 unsigned char default_ledflagstate:4;
43 #define VC_SCROLLOCK 0 /* scroll-lock mode */
44 #define VC_NUMLOCK 1 /* numeric lock mode */
45 #define VC_CAPSLOCK 2 /* capslock mode */
46 #define VC_KANALOCK 3 /* kanalock mode */
48 unsigned char kbdmode:3; /* one 3-bit value */
49 #define VC_XLATE 0 /* translate keycodes using keymap */
50 #define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */
51 #define VC_RAW 2 /* raw (scancode) mode */
52 #define VC_UNICODE 3 /* Unicode mode */
53 #define VC_OFF 4 /* disabled mode */
55 unsigned char modeflags:5;
56 #define VC_APPLIC 0 /* application key mode */
57 #define VC_CKMODE 1 /* cursor key mode */
58 #define VC_REPEAT 2 /* keyboard repeat */
59 #define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
60 #define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
63 extern int kbd_init(void);
65 extern void setledstate(struct kbd_struct *kbd, unsigned int led);
67 extern int do_poke_blanked_console;
69 extern void (*kbd_ledfunc)(unsigned int led);
71 extern int set_console(int nr);
72 extern void schedule_console_callback(void);
74 /* FIXME: review locking for vt.c callers */
75 static inline void set_leds(void)
77 tasklet_schedule(&keyboard_tasklet);
80 static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
82 return ((kbd->modeflags >> flag) & 1);
85 static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
87 return ((kbd->ledflagstate >> flag) & 1);
90 static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
92 kbd->modeflags |= 1 << flag;
95 static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
97 kbd->ledflagstate |= 1 << flag;
100 static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
102 kbd->modeflags &= ~(1 << flag);
105 static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
107 kbd->ledflagstate &= ~(1 << flag);
110 static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
112 kbd->lockstate ^= 1 << flag;
115 static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
117 kbd->slockstate ^= 1 << flag;
120 static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
122 kbd->modeflags ^= 1 << flag;
125 static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
127 kbd->ledflagstate ^= 1 << flag;
130 #define U(x) ((x) ^ 0xf000)
132 #define BRL_UC_ROW 0x2800
138 void compute_shiftstate(void);
142 extern unsigned int keymap_count;