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