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
8 extern struct tasklet_struct keyboard_tasklet;
9
10 extern int shift_state;
11
12 extern char *func_table[MAX_NR_FUNC];
13 extern char func_buf[];
14 extern char *funcbufptr;
15 extern 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 */
26 struct 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:3; /* one 3-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 #define VC_OFF 4 /* disabled mode */
59
60 unsigned char modeflags:5;
61 #define VC_APPLIC 0 /* application key mode */
62 #define VC_CKMODE 1 /* cursor key mode */
63 #define VC_REPEAT 2 /* keyboard repeat */
64 #define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
65 #define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
66 };
67
68 extern struct kbd_struct kbd_table[];
69
70 extern int kbd_init(void);
71
72 extern unsigned char getledstate(void);
73 extern void setledstate(struct kbd_struct *kbd, unsigned int led);
74
75 extern int do_poke_blanked_console;
76
77 extern void (*kbd_ledfunc)(unsigned int led);
78
79 extern int set_console(int nr);
80 extern void schedule_console_callback(void);
81
set_leds(void)82 static inline void set_leds(void)
83 {
84 tasklet_schedule(&keyboard_tasklet);
85 }
86
vc_kbd_mode(struct kbd_struct * kbd,int flag)87 static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
88 {
89 return ((kbd->modeflags >> flag) & 1);
90 }
91
vc_kbd_led(struct kbd_struct * kbd,int flag)92 static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
93 {
94 return ((kbd->ledflagstate >> flag) & 1);
95 }
96
set_vc_kbd_mode(struct kbd_struct * kbd,int flag)97 static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
98 {
99 kbd->modeflags |= 1 << flag;
100 }
101
set_vc_kbd_led(struct kbd_struct * kbd,int flag)102 static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
103 {
104 kbd->ledflagstate |= 1 << flag;
105 }
106
clr_vc_kbd_mode(struct kbd_struct * kbd,int flag)107 static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
108 {
109 kbd->modeflags &= ~(1 << flag);
110 }
111
clr_vc_kbd_led(struct kbd_struct * kbd,int flag)112 static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
113 {
114 kbd->ledflagstate &= ~(1 << flag);
115 }
116
chg_vc_kbd_lock(struct kbd_struct * kbd,int flag)117 static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
118 {
119 kbd->lockstate ^= 1 << flag;
120 }
121
chg_vc_kbd_slock(struct kbd_struct * kbd,int flag)122 static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
123 {
124 kbd->slockstate ^= 1 << flag;
125 }
126
chg_vc_kbd_mode(struct kbd_struct * kbd,int flag)127 static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
128 {
129 kbd->modeflags ^= 1 << flag;
130 }
131
chg_vc_kbd_led(struct kbd_struct * kbd,int flag)132 static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
133 {
134 kbd->ledflagstate ^= 1 << flag;
135 }
136
137 #define U(x) ((x) ^ 0xf000)
138
139 #define BRL_UC_ROW 0x2800
140
141 /* keyboard.c */
142
143 struct console;
144
145 int getkeycode(unsigned int scancode);
146 int setkeycode(unsigned int scancode, unsigned int keycode);
147 void compute_shiftstate(void);
148
149 /* defkeymap.c */
150
151 extern unsigned int keymap_count;
152
153 /* console.c */
154
con_schedule_flip(struct tty_struct * t)155 static inline void con_schedule_flip(struct tty_struct *t)
156 {
157 unsigned long flags;
158 spin_lock_irqsave(&t->buf.lock, flags);
159 if (t->buf.tail != NULL)
160 t->buf.tail->commit = t->buf.tail->used;
161 spin_unlock_irqrestore(&t->buf.lock, flags);
162 schedule_work(&t->buf.work);
163 }
164
165 #endif
166