v4.19.13 snapshot.
diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h
new file mode 100644
index 0000000..bb2246c
--- /dev/null
+++ b/include/linux/kbd_kern.h
@@ -0,0 +1,147 @@
+/* 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 struct tasklet_struct keyboard_tasklet;
+
+extern char *func_table[MAX_NR_FUNC];
+extern char func_buf[];
+extern char *funcbufptr;
+extern int funcbufsize, funcbufleft;
+
+/*
+ * 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);
+
+/* FIXME: review locking for vt.c callers */
+static inline void set_leds(void)
+{
+ tasklet_schedule(&keyboard_tasklet);
+}
+
+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 compute_shiftstate(void);
+
+/* defkeymap.c */
+
+extern unsigned int keymap_count;
+
+#endif