LXR linux-old/include/linux/kbd

   1#ifndef _KBD_KERN_H
   2#define _KBD_KERN_H
   3
   4#include <linux/interrupt.h>
   5#include <linux/keyboard.h>
   6
   7extern struct tasklet_struct keyboard_tasklet;
   8
   9extern int shift_state;
  10
  11extern char *func_table[MAX_NR_FUNC];
  12extern char func_buf[];
  13extern char *funcbufptr;
  14extern 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 */
  25struct 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
  65extern struct kbd_struct kbd_table[];
  66
  67extern int kbd_init(void);
  68
  69extern unsigned char getledstate(void);
  70extern void setledstate(struct kbd_struct *kbd, unsigned int led);
  71
  72extern int do_poke_blanked_console;
  73
  74extern void (*kbd_ledfunc)(unsigned int led);
  75extern void kbd_refresh_leds(void);
  76
  77extern void set_console(int nr);
  78extern void schedule_console_callback(void);
  79
  80static inline void set_leds(void)
  81{
  82        tasklet_schedule(&keyboard_tasklet);
  83}
  84
  85static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag)
  86{
  87        return ((kbd->modeflags >> flag) & 1);
  88}
  89
  90static inline int vc_kbd_led(struct kbd_struct * kbd, int flag)
  91{
  92        return ((kbd->ledflagstate >> flag) & 1);
  93}
  94
  95static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag)
  96{
  97        kbd->modeflags |= 1 << flag;
  98}
  99
 100static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag)
 101{
 102        kbd->ledflagstate |= 1 << flag;
 103}
 104
 105static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag)
 106{
 107        kbd->modeflags &= ~(1 << flag);
 108}
 109
 110static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag)
 111{
 112        kbd->ledflagstate &= ~(1 << flag);
 113}
 114
 115static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag)
 116{
 117        kbd->lockstate ^= 1 << flag;
 118}
 119
 120static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag)
 121{
 122        kbd->slockstate ^= 1 << flag;
 123}
 124
 125static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag)
 126{
 127        kbd->modeflags ^= 1 << flag;
 128}
 129
 130static 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
 139struct console;
 140
 141int getkeycode(unsigned int scancode);
 142int setkeycode(unsigned int scancode, unsigned int keycode);
 143void compute_shiftstate(void);
 144
 145/* defkeymap.c */
 146
 147extern unsigned int keymap_count;
 148
 149/* console.c */
 150
 151static inline void con_schedule_flip(struct tty_struct *t)
 152{
 153        schedule_task(&t->flip.tqueue);
 154}
 155
 156#endif
 157