1 #ifndef _KBD_KERN_H
2 #define _KBD_KERN_H
3
4 #include <linux/interrupt.h>
5 #include <linux/keyboard.h>
6
7 extern struct tasklet_struct keyboard_tasklet;
8
9 extern int shift_state;
10
11 extern char *func_table[MAX_NR_FUNC];
12 extern char func_buf[];
13 extern char *funcbufptr;
14 extern int funcbufsize, funcbufleft;
15
16 /*
17 * kbd->xxx contains the VC-local things (flag settings etc..)
18 *
19 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
20 * The code in KDGETLED / KDSETLED depends on the internal and
21 * external order being the same.
22 *
23 * Note: lockstate is used as index in the array key_map.
24 */
25 struct kbd_struct {
26
27 unsigned char lockstate;
28 /* 8 modifiers - the names do not have any meaning at all;
29 they can be associated to arbitrarily chosen keys */
30 #define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */
31 #define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */
32 #define VC_CTRLLOCK KG_CTRL /* control lock mode */
33 #define VC_ALTLOCK KG_ALT /* alt lock mode */
34 #define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */
35 #define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */
36 #define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */
37 #define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */
38 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */
39
40 unsigned char ledmode:2; /* one 2-bit value */
41 #define LED_SHOW_FLAGS 0 /* traditional state */
42 #define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
43 #define LED_SHOW_MEM 2 /* `heartbeat': peek into memory */
44
45 unsigned char ledflagstate:3; /* flags, not lights */
46 unsigned char default_ledflagstate:3;
47 #define VC_SCROLLOCK 0 /* scroll-lock mode */
48 #define VC_NUMLOCK 1 /* numeric lock mode */
49 #define VC_CAPSLOCK 2 /* capslock mode */
50
51 unsigned char kbdmode:2; /* one 2-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
57 unsigned char modeflags:5;
58 #define VC_APPLIC 0 /* application key mode */
59 #define VC_CKMODE 1 /* cursor key mode */
60 #define VC_REPEAT 2 /* keyboard repeat */
61 #define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */
62 #define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */
63 };
64
65 extern struct kbd_struct kbd_table[];
66
67 extern int kbd_init(void);
68
69 extern unsigned char getledstate(void);
70 extern void setledstate(struct kbd_struct *kbd, unsigned int led);
71
72 extern int do_poke_blanked_console;
73
74 extern void (*kbd_ledfunc)(unsigned int led);
75 extern void kbd_refresh_leds(void);
76
77 extern void set_console(int nr);
78 extern void schedule_console_callback(void);
79
set_leds(void)80 static inline void set_leds(void)
81 {
82 tasklet_schedule(&keyboard_tasklet);
83 }
84
vc_kbd_mode(struct kbd_struct * kbd,int flag)85 static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
86 {
87 return ((kbd->modeflags >> flag) & 1);
88 }
89
vc_kbd_led(struct kbd_struct * kbd,int flag)90 static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
91 {
92 return ((kbd->ledflagstate >> flag) & 1);
93 }
94
set_vc_kbd_mode(struct kbd_struct * kbd,int flag)95 static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
96 {
97 kbd->modeflags |= 1 << flag;
98 }
99
set_vc_kbd_led(struct kbd_struct * kbd,int flag)100 static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
101 {
102 kbd->ledflagstate |= 1 << flag;
103 }
104
clr_vc_kbd_mode(struct kbd_struct * kbd,int flag)105 static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
106 {
107 kbd->modeflags &= ~(1 << flag);
108 }
109
clr_vc_kbd_led(struct kbd_struct * kbd,int flag)110 static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
111 {
112 kbd->ledflagstate &= ~(1 << flag);
113 }
114
chg_vc_kbd_lock(struct kbd_struct * kbd,int flag)115 static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
116 {
117 kbd->lockstate ^= 1 << flag;
118 }
119
chg_vc_kbd_slock(struct kbd_struct * kbd,int flag)120 static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
121 {
122 kbd->slockstate ^= 1 << flag;
123 }
124
chg_vc_kbd_mode(struct kbd_struct * kbd,int flag)125 static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
126 {
127 kbd->modeflags ^= 1 << flag;
128 }
129
chg_vc_kbd_led(struct kbd_struct * kbd,int flag)130 static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
131 {
132 kbd->ledflagstate ^= 1 << flag;
133 }
134
135 #define U(x) ((x) ^ 0xf000)
136
137 /* keyboard.c */
138
139 struct console;
140
141 int getkeycode(unsigned int scancode);
142 int setkeycode(unsigned int scancode, unsigned int keycode);
143 void compute_shiftstate(void);
144
145 /* defkeymap.c */
146
147 extern unsigned int keymap_count;
148
149 /* console.c */
150
con_schedule_flip(struct tty_struct * t)151 static inline void con_schedule_flip(struct tty_struct *t)
152 {
153 schedule_task(&t->flip.tqueue);
154 }
155
156 #endif
157