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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 
set_leds(void)81 static inline void set_leds(void)
82 {
83 	tasklet_schedule(&keyboard_tasklet);
84 }
85 
vc_kbd_mode(struct kbd_struct * kbd,int flag)86 static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
87 {
88 	return ((kbd->modeflags >> flag) & 1);
89 }
90 
vc_kbd_led(struct kbd_struct * kbd,int flag)91 static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
92 {
93 	return ((kbd->ledflagstate >> flag) & 1);
94 }
95 
set_vc_kbd_mode(struct kbd_struct * kbd,int flag)96 static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
97 {
98 	kbd->modeflags |= 1 << flag;
99 }
100 
set_vc_kbd_led(struct kbd_struct * kbd,int flag)101 static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
102 {
103 	kbd->ledflagstate |= 1 << flag;
104 }
105 
clr_vc_kbd_mode(struct kbd_struct * kbd,int flag)106 static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
107 {
108 	kbd->modeflags &= ~(1 << flag);
109 }
110 
clr_vc_kbd_led(struct kbd_struct * kbd,int flag)111 static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
112 {
113 	kbd->ledflagstate &= ~(1 << flag);
114 }
115 
chg_vc_kbd_lock(struct kbd_struct * kbd,int flag)116 static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
117 {
118 	kbd->lockstate ^= 1 << flag;
119 }
120 
chg_vc_kbd_slock(struct kbd_struct * kbd,int flag)121 static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
122 {
123 	kbd->slockstate ^= 1 << flag;
124 }
125 
chg_vc_kbd_mode(struct kbd_struct * kbd,int flag)126 static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
127 {
128 	kbd->modeflags ^= 1 << flag;
129 }
130 
chg_vc_kbd_led(struct kbd_struct * kbd,int flag)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 
con_schedule_flip(struct tty_struct * t)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 /* mac_hid.c */
165 extern int mac_hid_mouse_emulate_buttons(int, unsigned int, int);
166 
167 #endif
168