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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
Linus Torvalds1da177e2005-04-16 15:20:36 -070010extern 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
Arthur Taylor9fc3de92011-02-04 13:55:50 -080051 unsigned char kbdmode:3; /* one 3-bit value */
Linus Torvalds1da177e2005-04-16 15:20:36 -070052#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 */
Arthur Taylor9fc3de92011-02-04 13:55:50 -080056#define VC_OFF 4 /* disabled mode */
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070066extern int kbd_init(void);
67
68extern unsigned char getledstate(void);
69extern void setledstate(struct kbd_struct *kbd, unsigned int led);
70
71extern int do_poke_blanked_console;
72
73extern void (*kbd_ledfunc)(unsigned int led);
74
Andrew Johnsonb257bc02007-03-16 13:38:24 -080075extern int set_console(int nr);
Linus Torvalds1da177e2005-04-16 15:20:36 -070076extern void schedule_console_callback(void);
77
Alan Cox079c9532012-02-28 14:49:23 +000078/* FIXME: review locking for vt.c callers */
Linus Torvalds1da177e2005-04-16 15:20:36 -070079static inline void set_leds(void)
80{
81 tasklet_schedule(&keyboard_tasklet);
82}
83
84static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
85{
86 return ((kbd->modeflags >> flag) & 1);
87}
88
89static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
90{
91 return ((kbd->ledflagstate >> flag) & 1);
92}
93
94static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
95{
96 kbd->modeflags |= 1 << flag;
97}
98
99static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
100{
101 kbd->ledflagstate |= 1 << flag;
102}
103
104static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
105{
106 kbd->modeflags &= ~(1 << flag);
107}
108
109static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
110{
111 kbd->ledflagstate &= ~(1 << flag);
112}
113
114static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
115{
116 kbd->lockstate ^= 1 << flag;
117}
118
119static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
120{
121 kbd->slockstate ^= 1 << flag;
122}
123
124static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
125{
126 kbd->modeflags ^= 1 << flag;
127}
128
129static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
130{
131 kbd->ledflagstate ^= 1 << flag;
132}
133
134#define U(x) ((x) ^ 0xf000)
135
Samuel Thibaultb9ec4e12006-04-02 00:10:28 -0500136#define BRL_UC_ROW 0x2800
137
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138/* keyboard.c */
139
140struct console;
141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142void compute_shiftstate(void);
143
144/* defkeymap.c */
145
146extern unsigned int keymap_count;
147
148/* console.c */
149
150static inline void con_schedule_flip(struct tty_struct *t)
151{
Paul Fulghum808249c2006-02-03 03:04:41 -0800152 unsigned long flags;
153 spin_lock_irqsave(&t->buf.lock, flags);
Paul Fulghum33b37a32006-06-28 04:26:49 -0700154 if (t->buf.tail != NULL)
Paul Fulghum8977d922006-02-10 01:51:14 -0800155 t->buf.tail->commit = t->buf.tail->used;
Paul Fulghum808249c2006-02-03 03:04:41 -0800156 spin_unlock_irqrestore(&t->buf.lock, flags);
Linus Torvaldsf23eb2b2011-03-22 16:17:32 -0700157 schedule_work(&t->buf.work);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158}
159
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160#endif