LXR linux/include/linux/kbd

   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
   8extern struct tasklet_struct keyboard_tasklet;
   9
  10extern int shift_state;
  11
  12extern char *func_table[MAX_NR_FUNC];
  13extern char func_buf[];
  14extern char *funcbufptr;
  15extern 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 */
  26struct 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
  67extern struct kbd_struct kbd_table[];
  68
  69extern int kbd_init(void);
  70
  71extern unsigned char getledstate(void);
  72extern void setledstate(struct kbd_struct *kbd, unsigned int led);
  73
  74extern int do_poke_blanked_console;
  75
  76extern void (*kbd_ledfunc)(unsigned int led);
  77
  78extern int set_console(int nr);
  79extern void schedule_console_callback(void);
  80
  81static inline void set_leds(void)
  82{
  83        tasklet_schedule(&keyboard_tasklet);
  84}
  85
  86static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
  87{
  88        return ((kbd->modeflags >> flag) & 1);
  89}
  90
  91static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
  92{
  93        return ((kbd->ledflagstate >> flag) & 1);
  94}
  95
  96static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
  97{
  98        kbd->modeflags |= 1 << flag;
  99}
 100
 101static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
 102{
 103        kbd->ledflagstate |= 1 << flag;
 104}
 105
 106static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
 107{
 108        kbd->modeflags &= ~(1 << flag);
 109}
 110
 111static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
 112{
 113        kbd->ledflagstate &= ~(1 << flag);
 114}
 115
 116static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
 117{
 118        kbd->lockstate ^= 1 << flag;
 119}
 120
 121static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
 122{
 123        kbd->slockstate ^= 1 << flag;
 124}
 125
 126static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
 127{
 128        kbd->modeflags ^= 1 << flag;
 129}
 130
 131static 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
 142struct console;
 143
 144int getkeycode(unsigned int scancode);
 145int setkeycode(unsigned int scancode, unsigned int keycode);
 146void compute_shiftstate(void);
 147
 148/* defkeymap.c */
 149
 150extern unsigned int keymap_count;
 151
 152/* console.c */
 153
 154static 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 */
 165extern int mac_hid_mouse_emulate_buttons(int, unsigned int, int);
 166
 167#endif
 168