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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: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 | |
67 | extern struct kbd_struct kbd_table[]; |
68 | |
69 | extern int kbd_init(void); |
70 | |
71 | extern unsigned char getledstate(void); |
72 | extern void setledstate(struct kbd_struct *kbd, unsigned int led); |
73 | |
74 | extern int do_poke_blanked_console; |
75 | |
76 | extern void (*kbd_ledfunc)(unsigned int led); |
77 | |
78 | extern int set_console(int nr); |
79 | extern void schedule_console_callback(void); |
80 | |
81 | static inline void set_leds(void) |
82 | { |
83 | tasklet_schedule(&keyboard_tasklet); |
84 | } |
85 | |
86 | static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) |
87 | { |
88 | return ((kbd->modeflags >> flag) & 1); |
89 | } |
90 | |
91 | static inline int vc_kbd_led(struct kbd_struct * kbd, int flag) |
92 | { |
93 | return ((kbd->ledflagstate >> flag) & 1); |
94 | } |
95 | |
96 | static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag) |
97 | { |
98 | kbd->modeflags |= 1 << flag; |
99 | } |
100 | |
101 | static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag) |
102 | { |
103 | kbd->ledflagstate |= 1 << flag; |
104 | } |
105 | |
106 | static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag) |
107 | { |
108 | kbd->modeflags &= ~(1 << flag); |
109 | } |
110 | |
111 | static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag) |
112 | { |
113 | kbd->ledflagstate &= ~(1 << flag); |
114 | } |
115 | |
116 | static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag) |
117 | { |
118 | kbd->lockstate ^= 1 << flag; |
119 | } |
120 | |
121 | static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag) |
122 | { |
123 | kbd->slockstate ^= 1 << flag; |
124 | } |
125 | |
126 | static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag) |
127 | { |
128 | kbd->modeflags ^= 1 << flag; |
129 | } |
130 | |
131 | static 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 | |
142 | struct console; |
143 | |
144 | int getkeycode(unsigned int scancode); |
145 | int setkeycode(unsigned int scancode, unsigned int keycode); |
146 | void compute_shiftstate(void); |
147 | |
148 | /* defkeymap.c */ |
149 | |
150 | extern unsigned int keymap_count; |
151 | |
152 | /* console.c */ |
153 | |
154 | static 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 |
165 |
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