root/drivers/char/kbd_kern.h

/* */

INCLUDED FROM

DEFINITIONS

1. set_leds
2. vc_kbd_mode
3. vc_kbd_led
4. set_vc_kbd_mode
5. set_vc_kbd_led
6. clr_vc_kbd_mode
7. clr_vc_kbd_led
8. chg_vc_kbd_lock
9. chg_vc_kbd_mode
10. chg_vc_kbd_led

   1 #ifndef _KBD_KERN_H
   2 #define _KBD_KERN_H
   3 
   4 #include <linux/interrupt.h>
   5 #include <linux/keyboard.h>
   6 
   7 extern int shift_state;
   8 
   9 extern char *func_table[MAX_NR_FUNC];
  10 extern char func_buf[];
  11 extern char *funcbufptr;
  12 extern int funcbufsize, funcbufleft;
  13 
  14 /*
  15  * kbd->xxx contains the VC-local things (flag settings etc..)
  16  *
  17  * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
  18  *       The code in KDGETLED / KDSETLED depends on the internal and
  19  *       external order being the same.
  20  *
  21  * Note: lockstate is used as index in the array key_map.
  22  */
  23 struct kbd_struct {
  24 
  25         unsigned char lockstate;
  26 /* 8 modifiers - the names do not have any meaning at all;
  27    they can be associated to arbitrarily chosen keys */
  28 #define VC_SHIFTLOCK    KG_SHIFT        /* shift lock mode */
  29 #define VC_ALTGRLOCK    KG_ALTGR        /* altgr lock mode */
  30 #define VC_CTRLLOCK     KG_CTRL         /* control lock mode */
  31 #define VC_ALTLOCK      KG_ALT          /* alt lock mode */
  32 #define VC_SHIFTLLOCK   KG_SHIFTL       /* shiftl lock mode */
  33 #define VC_SHIFTRLOCK   KG_SHIFTR       /* shiftr lock mode */
  34 #define VC_CTRLLLOCK    KG_CTRLL        /* ctrll lock mode */
  35 #define VC_CTRLRLOCK    KG_CTRLR        /* ctrlr lock mode */
  36 
  37         unsigned char ledmode:2;        /* one 2-bit value */
  38 #define LED_SHOW_FLAGS 0        /* traditional state */
  39 #define LED_SHOW_IOCTL 1        /* only change leds upon ioctl */
  40 #define LED_SHOW_MEM 2          /* `heartbeat': peek into memory */
  41 
  42         unsigned char ledflagstate:3;   /* flags, not lights */
  43         unsigned char default_ledflagstate:3;
  44 #define VC_SCROLLOCK    0       /* scroll-lock mode */
  45 #define VC_NUMLOCK      1       /* numeric lock mode */
  46 #define VC_CAPSLOCK     2       /* capslock mode */
  47 
  48         unsigned char kbdmode:2;        /* one 2-bit value */
  49 #define VC_XLATE        0       /* translate keycodes using keymap */
  50 #define VC_MEDIUMRAW    1       /* medium raw (keycode) mode */
  51 #define VC_RAW          2       /* raw (scancode) mode */
  52 #define VC_UNICODE      3       /* Unicode mode */
  53 
  54         unsigned char modeflags:5;
  55 #define VC_APPLIC       0       /* application key mode */
  56 #define VC_CKMODE       1       /* cursor key mode */
  57 #define VC_REPEAT       2       /* keyboard repeat */
  58 #define VC_CRLF         3       /* 0 - enter sends CR, 1 - enter sends CRLF */
  59 #define VC_META         4       /* 0 - meta, 1 - meta=prefix with ESC */
  60 };
  61 
  62 extern struct kbd_struct kbd_table[];
  63 
  64 extern unsigned long kbd_init(unsigned long);
  65 
  66 extern unsigned char getledstate(void);
  67 extern void setledstate(struct kbd_struct *kbd, unsigned int led);
  68 
  69 extern inline void set_leds(void)
     /*  */
  70 {
  71         mark_bh(KEYBOARD_BH);
  72 }
  73 
  74 extern inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
     /*  */
  75 {
  76         return ((kbd->modeflags >> flag) & 1);
  77 }
  78 
  79 extern inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
     /*  */
  80 {
  81         return ((kbd->ledflagstate >> flag) & 1);
  82 }
  83 
  84 extern inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
     /*  */
  85 {
  86         kbd->modeflags |= 1 << flag;
  87 }
  88 
  89 extern inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
     /*  */
  90 {
  91         kbd->ledflagstate |= 1 << flag;
  92 }
  93 
  94 extern inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
     /*  */
  95 {
  96         kbd->modeflags &= ~(1 << flag);
  97 }
  98 
  99 extern inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
     /*  */
 100 {
 101         kbd->ledflagstate &= ~(1 << flag);
 102 }
 103 
 104 extern inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
     /*  */
 105 {
 106         kbd->lockstate ^= 1 << flag;
 107 }
 108 
 109 extern inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
     /*  */
 110 {
 111         kbd->modeflags ^= 1 << flag;
 112 }
 113 
 114 extern inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag)
     /*  */
 115 {
 116         kbd->ledflagstate ^= 1 << flag;
 117 }
 118 
 119 #define U(x) ((x) ^ 0xf000)
 120 
 121 #endif

/* */