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 char *func_table[MAX_NR_FUNC];
11 extern char func_buf[];
12 extern char *funcbufptr;
13 extern 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 */
24 struct 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
66 extern int kbd_init(void);
67
68 extern unsigned char getledstate(void);
69 extern void setledstate(struct kbd_struct *kbd, unsigned int led);
70
71 extern int do_poke_blanked_console;
72
73 extern void (*kbd_ledfunc)(unsigned int led);
74
75 extern int set_console(int nr);
76 extern void schedule_console_callback(void);
77
78 /* FIXME: review locking for vt.c callers */
set_leds(void)79 static inline void set_leds(void)
80 {
81 tasklet_schedule(&keyboard_tasklet);
82 }
83
vc_kbd_mode(struct kbd_struct * kbd,int flag)84 static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
85 {
86 return ((kbd->modeflags >> flag) & 1);
87 }
88
vc_kbd_led(struct kbd_struct * kbd,int flag)89 static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
90 {
91 return ((kbd->ledflagstate >> flag) & 1);
92 }
93
set_vc_kbd_mode(struct kbd_struct * kbd,int flag)94 static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
95 {
96 kbd->modeflags |= 1 << flag;
97 }
98
set_vc_kbd_led(struct kbd_struct * kbd,int flag)99 static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
100 {
101 kbd->ledflagstate |= 1 << flag;
102 }
103
clr_vc_kbd_mode(struct kbd_struct * kbd,int flag)104 static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
105 {
106 kbd->modeflags &= ~(1 << flag);
107 }
108
clr_vc_kbd_led(struct kbd_struct * kbd,int flag)109 static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
110 {
111 kbd->ledflagstate &= ~(1 << flag);
112 }
113
chg_vc_kbd_lock(struct kbd_struct * kbd,int flag)114 static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
115 {
116 kbd->lockstate ^= 1 << flag;
117 }
118
chg_vc_kbd_slock(struct kbd_struct * kbd,int flag)119 static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
120 {
121 kbd->slockstate ^= 1 << flag;
122 }
123
chg_vc_kbd_mode(struct kbd_struct * kbd,int flag)124 static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
125 {
126 kbd->modeflags ^= 1 << flag;
127 }
128
chg_vc_kbd_led(struct kbd_struct * kbd,int flag)129 static 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
136 #define BRL_UC_ROW 0x2800
137
138 /* keyboard.c */
139
140 struct console;
141
142 void compute_shiftstate(void);
143
144 /* defkeymap.c */
145
146 extern unsigned int keymap_count;
147
148 /* console.c */
149
con_schedule_flip(struct tty_struct * t)150 static inline void con_schedule_flip(struct tty_struct *t)
151 {
152 unsigned long flags;
153 spin_lock_irqsave(&t->buf.lock, flags);
154 if (t->buf.tail != NULL)
155 t->buf.tail->commit = t->buf.tail->used;
156 spin_unlock_irqrestore(&t->buf.lock, flags);
157 schedule_work(&t->buf.work);
158 }
159
160 #endif
161