Viewing file:  kbd_kern.h (3.6 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _KBD_KERN_H
#define _KBD_KERN_H
#include <linux/tty.h>
#include <linux/interrupt.h>
#include <linux/keyboard.h>
extern char *func_table[MAX_NR_FUNC];
/*
* 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:1;
#define LED_SHOW_FLAGS 0 /* traditional state */
#define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */
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);
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 vt_set_leds_compute_shiftstate(void);
/* defkeymap.c */
extern unsigned int keymap_count;
#endif
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