Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _KBD_KERN_H
2#define _KBD_KERN_H
3
4#include <linux/tty.h>
5#include <linux/interrupt.h>
6#include <linux/keyboard.h>
7
8extern struct tasklet_struct keyboard_tasklet;
9
10extern char *func_table[MAX_NR_FUNC];
11extern char func_buf[];
12extern char *funcbufptr;
13extern int funcbufsize, funcbufleft;
14
15/*
16 * kbd->xxx contains the VC-local things (flag settings etc..)
17 *
18 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
19 * The code in KDGETLED / KDSETLED depends on the internal and
20 * external order being the same.
21 *
22 * Note: lockstate is used as index in the array key_map.
23 */
24struct kbd_struct {
25
26 unsigned char lockstate;
27/* 8 modifiers - the names do not have any meaning at all;
28 they can be associated to arbitrarily chosen keys */
29#define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */
30#define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */
31#define VC_CTRLLOCK KG_CTRL /* control lock mode */
32#define VC_ALTLOCK KG_ALT /* alt lock mode */
33#define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */
34#define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */
35#define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */
36#define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */
37 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */
38
39 unsigned char ledmode:2; /* one 2-bit value */
40#define LED_SHOW_FLAGS 0 /* traditional state */
41#define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
42#define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */
43
44 unsigned char ledflagstate:4; /* flags, not lights */
45 unsigned char default_ledflagstate:4;
46#define VC_SCROLLOCK 0 /* scroll-lock mode */
47#define VC_NUMLOCK 1 /* numeric lock mode */
48#define VC_CAPSLOCK 2 /* capslock mode */
49#define VC_KANALOCK 3 /* kanalock mode */
50
51 unsigned char kbdmode:3; /* one 3-bit value */
52#define VC_XLATE 0 /* translate keycodes using keymap */
53#define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */
54#define VC_RAW 2 /* raw (scancode) mode */
55#define VC_UNICODE 3 /* Unicode mode */
56#define VC_OFF 4 /* disabled mode */
57
58 unsigned char modeflags:5;
59#define VC_APPLIC 0 /* application key mode */
60#define VC_CKMODE 1 /* cursor key mode */
61#define VC_REPEAT 2 /* keyboard repeat */
62#define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
63#define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
64};
65
66extern int kbd_init(void);
67
68extern void setledstate(struct kbd_struct *kbd, unsigned int led);
69
70extern int do_poke_blanked_console;
71
72extern void (*kbd_ledfunc)(unsigned int led);
73
74extern int set_console(int nr);
75extern void schedule_console_callback(void);
76
77/* FIXME: review locking for vt.c callers */
78static inline void set_leds(void)
79{
80 tasklet_schedule(&keyboard_tasklet);
81}
82
83static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
84{
85 return ((kbd->modeflags >> flag) & 1);
86}
87
88static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
89{
90 return ((kbd->ledflagstate >> flag) & 1);
91}
92
93static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
94{
95 kbd->modeflags |= 1 << flag;
96}
97
98static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
99{
100 kbd->ledflagstate |= 1 << flag;
101}
102
103static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
104{
105 kbd->modeflags &= ~(1 << flag);
106}
107
108static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
109{
110 kbd->ledflagstate &= ~(1 << flag);
111}
112
113static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
114{
115 kbd->lockstate ^= 1 << flag;
116}
117
118static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
119{
120 kbd->slockstate ^= 1 << flag;
121}
122
123static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
124{
125 kbd->modeflags ^= 1 << flag;
126}
127
128static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
129{
130 kbd->ledflagstate ^= 1 << flag;
131}
132
133#define U(x) ((x) ^ 0xf000)
134
135#define BRL_UC_ROW 0x2800
136
137/* keyboard.c */
138
139struct console;
140
141void compute_shiftstate(void);
142
143/* defkeymap.c */
144
145extern unsigned int keymap_count;
146
147#endif