text: #ifndef _KBD_KERN_H
  #define _KBD_KERN_H
  
  #include <linux/tty.h>
  #include <linux/interrupt.h>
  #include <linux/keyboard.h>
  
  extern struct tasklet_struct keyboard_tasklet;
  
  extern char *func_table[MAX_NR_FUNC];
  extern char func_buf[];
  extern char *funcbufptr;
  extern int funcbufsize, funcbufleft;
  
  /*
   * kbd->xxx contains the VC-local things (flag settings etc..)
   *
   * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
   *       The code in KDGETLED / KDSETLED depends on the internal and
   *       external order being the same.
   *
   * Note: lockstate is used as index in the array key_map.
   */
  struct kbd_struct {
  
  	unsigned char lockstate;
  /* 8 modifiers - the names do not have any meaning at all;
     they can be associated to arbitrarily chosen keys */
  #define VC_SHIFTLOCK	KG_SHIFT	/* shift lock mode */
  #define VC_ALTGRLOCK	KG_ALTGR	/* altgr lock mode */
  #define VC_CTRLLOCK	KG_CTRL 	/* control lock mode */
  #define VC_ALTLOCK	KG_ALT  	/* alt lock mode */
  #define VC_SHIFTLLOCK	KG_SHIFTL	/* shiftl lock mode */
  #define VC_SHIFTRLOCK	KG_SHIFTR	/* shiftr lock mode */
  #define VC_CTRLLLOCK	KG_CTRLL 	/* ctrll lock mode */
  #define VC_CTRLRLOCK	KG_CTRLR 	/* ctrlr lock mode */
  	unsigned char slockstate; 	/* for `sticky' Shift, Ctrl, etc. */
  
  	unsigned char ledmode:2; 	/* one 2-bit value */
  #define LED_SHOW_FLAGS 0        /* traditional state */
  #define LED_SHOW_IOCTL 1        /* only change leds upon ioctl */
  #define LED_SHOW_MEM 2          /* `heartbeat': peek into memory */
  
  	unsigned char ledflagstate:4;	/* flags, not lights */
  	unsigned char default_ledflagstate:4;
  #define VC_SCROLLOCK	0	/* scroll-lock mode */
  #define VC_NUMLOCK	1	/* numeric lock mode */
  #define VC_CAPSLOCK	2	/* capslock mode */
  #define VC_KANALOCK	3	/* kanalock mode */
  
  	unsigned char kbdmode:3;	/* one 3-bit value */
  #define VC_XLATE	0	/* translate keycodes using keymap */
  #define VC_MEDIUMRAW	1	/* medium raw (keycode) mode */
  #define VC_RAW		2	/* raw (scancode) mode */
  #define VC_UNICODE	3	/* Unicode mode */
  #define VC_OFF		4	/* disabled mode */
  
  	unsigned char modeflags:5;
  #define VC_APPLIC	0	/* application key mode */
  #define VC_CKMODE	1	/* cursor key mode */
  #define VC_REPEAT	2	/* keyboard repeat */
  #define VC_CRLF		3	/* 0 - enter sends CR, 1 - enter sends CRLF */
  #define VC_META		4	/* 0 - meta, 1 - meta=prefix with ESC */
  };
  
  extern int kbd_init(void);
  
  extern void setledstate(struct kbd_struct *kbd, unsigned int led);
  
  extern int do_poke_blanked_console;
  
  extern void (*kbd_ledfunc)(unsigned int led);
  
  extern int set_console(int nr);
  extern void schedule_console_callback(void);
  
  /* FIXME: review locking for vt.c callers */
  static inline void set_leds(void)
  {
  	tasklet_schedule(&keyboard_tasklet);
  }
  
  static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
  {
  	return ((kbd->modeflags >> flag) & 1);
  }
  
  static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
  {
  	return ((kbd->ledflagstate >> flag) & 1);
  }
  
  static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
  {
  	kbd->modeflags |= 1 << flag;
  }
  
  static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
  {
  	kbd->ledflagstate |= 1 << flag;
  }
  
  static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
  {
  	kbd->modeflags &= ~(1 << flag);
  }
  
  static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
  {
  	kbd->ledflagstate &= ~(1 << flag);
  }
  
  static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
  {
  	kbd->lockstate ^= 1 << flag;
  }
  
  static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
  {
  	kbd->slockstate ^= 1 << flag;
  }
  
  static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
  {
  	kbd->modeflags ^= 1 << flag;
  }
  
  static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
  {
  	kbd->ledflagstate ^= 1 << flag;
  }
  
  #define U(x) ((x) ^ 0xf000)
  
  #define BRL_UC_ROW 0x2800
  
  /* keyboard.c */
  
  struct console;
  
  void compute_shiftstate(void);
  
  /* defkeymap.c */
  
  extern unsigned int keymap_count;
  
  #endif
  