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 int shift_state;
11
12extern char *func_table[MAX_NR_FUNC];
13extern char func_buf[];
14extern char *funcbufptr;
15extern int funcbufsize, funcbufleft;
16
17/*
18 * kbd->xxx contains the VC-local things (flag settings etc..)
19 *
20 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
21 * The code in KDGETLED / KDSETLED depends on the internal and
22 * external order being the same.
23 *
24 * Note: lockstate is used as index in the array key_map.
25 */
26struct kbd_struct {
27
28 unsigned char lockstate;
29/* 8 modifiers - the names do not have any meaning at all;
30 they can be associated to arbitrarily chosen keys */
31#define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */
32#define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */
33#define VC_CTRLLOCK KG_CTRL /* control lock mode */
34#define VC_ALTLOCK KG_ALT /* alt lock mode */
35#define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */
36#define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */
37#define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */
38#define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */
39 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */
40
41 unsigned char ledmode:2; /* one 2-bit value */
42#define LED_SHOW_FLAGS 0 /* traditional state */
43#define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
44#define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */
45
46 unsigned char ledflagstate:4; /* flags, not lights */
47 unsigned char default_ledflagstate:4;
48#define VC_SCROLLOCK 0 /* scroll-lock mode */
49#define VC_NUMLOCK 1 /* numeric lock mode */
50#define VC_CAPSLOCK 2 /* capslock mode */
51#define VC_KANALOCK 3 /* kanalock mode */
52
53 unsigned char kbdmode:2; /* one 2-bit value */
54#define VC_XLATE 0 /* translate keycodes using keymap */
55#define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */
56#define VC_RAW 2 /* raw (scancode) mode */
57#define VC_UNICODE 3 /* Unicode mode */
58
59 unsigned char modeflags:5;
60#define VC_APPLIC 0 /* application key mode */
61#define VC_CKMODE 1 /* cursor key mode */
62#define VC_REPEAT 2 /* keyboard repeat */
63#define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
64#define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
65};
66
67extern struct kbd_struct kbd_table[];
68
69extern int kbd_init(void);
70
71extern unsigned char getledstate(void);
72extern void setledstate(struct kbd_struct *kbd, unsigned int led);
73
74extern int do_poke_blanked_console;
75
76extern void (*kbd_ledfunc)(unsigned int led);
77
78extern int set_console(int nr);
79extern void schedule_console_callback(void);
80
81static inline void set_leds(void)
82{
83 tasklet_schedule(&keyboard_tasklet);
84}
85
86static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
87{
88 return ((kbd->modeflags >> flag) & 1);
89}
90
91static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
92{
93 return ((kbd->ledflagstate >> flag) & 1);
94}
95
96static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
97{
98 kbd->modeflags |= 1 << flag;
99}
100
101static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
102{
103 kbd->ledflagstate |= 1 << flag;
104}
105
106static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
107{
108 kbd->modeflags &= ~(1 << flag);
109}
110
111static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
112{
113 kbd->ledflagstate &= ~(1 << flag);
114}
115
116static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
117{
118 kbd->lockstate ^= 1 << flag;
119}
120
121static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
122{
123 kbd->slockstate ^= 1 << flag;
124}
125
126static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
127{
128 kbd->modeflags ^= 1 << flag;
129}
130
131static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
132{
133 kbd->ledflagstate ^= 1 << flag;
134}
135
136#define U(x) ((x) ^ 0xf000)
137
138#define BRL_UC_ROW 0x2800
139
140/* keyboard.c */
141
142struct console;
143
144int getkeycode(unsigned int scancode);
145int setkeycode(unsigned int scancode, unsigned int keycode);
146void compute_shiftstate(void);
147
148/* defkeymap.c */
149
150extern unsigned int keymap_count;
151
152/* console.c */
153
154static inline void con_schedule_flip(struct tty_struct *t)
155{
156 unsigned long flags;
157 spin_lock_irqsave(&t->buf.lock, flags);
158 if (t->buf.tail != NULL)
159 t->buf.tail->commit = t->buf.tail->used;
160 spin_unlock_irqrestore(&t->buf.lock, flags);
161 schedule_delayed_work(&t->buf.work, 0);
162}
163
164#endif