kbd_kern.h (3687B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _KBD_KERN_H 3#define _KBD_KERN_H 4 5#include <linux/tty.h> 6#include <linux/interrupt.h> 7#include <linux/keyboard.h> 8 9extern char *func_table[MAX_NR_FUNC]; 10 11/* 12 * kbd->xxx contains the VC-local things (flag settings etc..) 13 * 14 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h 15 * The code in KDGETLED / KDSETLED depends on the internal and 16 * external order being the same. 17 * 18 * Note: lockstate is used as index in the array key_map. 19 */ 20struct kbd_struct { 21 22 unsigned char lockstate; 23/* 8 modifiers - the names do not have any meaning at all; 24 they can be associated to arbitrarily chosen keys */ 25#define VC_SHIFTLOCK KG_SHIFT /* shift lock mode */ 26#define VC_ALTGRLOCK KG_ALTGR /* altgr lock mode */ 27#define VC_CTRLLOCK KG_CTRL /* control lock mode */ 28#define VC_ALTLOCK KG_ALT /* alt lock mode */ 29#define VC_SHIFTLLOCK KG_SHIFTL /* shiftl lock mode */ 30#define VC_SHIFTRLOCK KG_SHIFTR /* shiftr lock mode */ 31#define VC_CTRLLLOCK KG_CTRLL /* ctrll lock mode */ 32#define VC_CTRLRLOCK KG_CTRLR /* ctrlr lock mode */ 33 unsigned char slockstate; /* for `sticky' Shift, Ctrl, etc. */ 34 35 unsigned char ledmode:1; 36#define LED_SHOW_FLAGS 0 /* traditional state */ 37#define LED_SHOW_IOCTL 1 /* only change leds upon ioctl */ 38 39 unsigned char ledflagstate:4; /* flags, not lights */ 40 unsigned char default_ledflagstate:4; 41#define VC_SCROLLOCK 0 /* scroll-lock mode */ 42#define VC_NUMLOCK 1 /* numeric lock mode */ 43#define VC_CAPSLOCK 2 /* capslock mode */ 44#define VC_KANALOCK 3 /* kanalock mode */ 45 46 unsigned char kbdmode:3; /* one 3-bit value */ 47#define VC_XLATE 0 /* translate keycodes using keymap */ 48#define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */ 49#define VC_RAW 2 /* raw (scancode) mode */ 50#define VC_UNICODE 3 /* Unicode mode */ 51#define VC_OFF 4 /* disabled mode */ 52 53 unsigned char modeflags:5; 54#define VC_APPLIC 0 /* application key mode */ 55#define VC_CKMODE 1 /* cursor key mode */ 56#define VC_REPEAT 2 /* keyboard repeat */ 57#define VC_CRLF 3 /* 0 - enter sends CR, 1 - enter sends CRLF */ 58#define VC_META 4 /* 0 - meta, 1 - meta=prefix with ESC */ 59}; 60 61extern int kbd_init(void); 62 63extern void setledstate(struct kbd_struct *kbd, unsigned int led); 64 65extern int do_poke_blanked_console; 66 67extern void (*kbd_ledfunc)(unsigned int led); 68 69extern int set_console(int nr); 70extern void schedule_console_callback(void); 71 72static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) 73{ 74 return ((kbd->modeflags >> flag) & 1); 75} 76 77static inline int vc_kbd_led(struct kbd_struct * kbd, int flag) 78{ 79 return ((kbd->ledflagstate >> flag) & 1); 80} 81 82static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag) 83{ 84 kbd->modeflags |= 1 << flag; 85} 86 87static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag) 88{ 89 kbd->ledflagstate |= 1 << flag; 90} 91 92static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag) 93{ 94 kbd->modeflags &= ~(1 << flag); 95} 96 97static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag) 98{ 99 kbd->ledflagstate &= ~(1 << flag); 100} 101 102static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag) 103{ 104 kbd->lockstate ^= 1 << flag; 105} 106 107static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag) 108{ 109 kbd->slockstate ^= 1 << flag; 110} 111 112static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag) 113{ 114 kbd->modeflags ^= 1 << flag; 115} 116 117static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) 118{ 119 kbd->ledflagstate ^= 1 << flag; 120} 121 122#define U(x) ((x) ^ 0xf000) 123 124#define BRL_UC_ROW 0x2800 125 126/* keyboard.c */ 127 128struct console; 129 130void vt_set_leds_compute_shiftstate(void); 131 132/* defkeymap.c */ 133 134extern unsigned int keymap_count; 135 136#endif