| /* 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 |