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