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1da177e4 LT |
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 void 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 | ||
b9ec4e10 ST |
138 | #define BRL_UC_ROW 0x2800 |
139 | ||
1da177e4 LT |
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 | { | |
808249ce PF |
156 | unsigned long flags; |
157 | spin_lock_irqsave(&t->buf.lock, flags); | |
33b37a33 | 158 | if (t->buf.tail != NULL) |
8977d929 | 159 | t->buf.tail->commit = t->buf.tail->used; |
808249ce | 160 | spin_unlock_irqrestore(&t->buf.lock, flags); |
33f0f88f | 161 | schedule_work(&t->buf.work); |
1da177e4 LT |
162 | } |
163 | ||
164 | #endif |