/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _LINUX_KD_H

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#define _LINUX_KD_H

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#include <linux/types.h>

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/* 0x4B is 'K', to avoid collision with termios and vt */

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#define GIO_FONT 0x4B60 /* gets font in expanded form */

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#define PIO_FONT 0x4B61 /* use font in expanded form */

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#define GIO_FONTX 0x4B6B /* get font using struct consolefontdesc */

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#define PIO_FONTX 0x4B6C /* set font using struct consolefontdesc */

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struct consolefontdesc {

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unsigned short charcount; /* characters in font (256 or 512) */

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unsigned short charheight; /* scan lines per character (1-32) */

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char *chardata; /* font data in expanded form */

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};

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#define PIO_FONTRESET 0x4B6D /* reset to default font */

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#define GIO_CMAP 0x4B70 /* gets colour palette on VGA+ */

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#define PIO_CMAP 0x4B71 /* sets colour palette on VGA+ */

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#define KIOCSOUND 0x4B2F /* start sound generation (0 for off) */

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#define KDMKTONE 0x4B30 /* generate tone */

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#define KDGETLED 0x4B31 /* return current led state */

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#define KDSETLED 0x4B32 /* set led state [lights, not flags] */

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#define LED_SCR 0x01 /* scroll lock led */

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#define LED_NUM 0x02 /* num lock led */

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#define LED_CAP 0x04 /* caps lock led */

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#define KDGKBTYPE 0x4B33 /* get keyboard type */

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#define KB_84 0x01

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#define KB_101 0x02 /* this is what we always answer */

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#define KB_OTHER 0x03

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#define KDADDIO 0x4B34 /* add i/o port as valid */

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#define KDDELIO 0x4B35 /* del i/o port as valid */

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#define KDENABIO 0x4B36 /* enable i/o to video board */

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#define KDDISABIO 0x4B37 /* disable i/o to video board */

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#define KDSETMODE 0x4B3A /* set text/graphics mode */

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#define KD_TEXT 0x00

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#define KD_GRAPHICS 0x01

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#define KD_TEXT0 0x02 /* obsolete */

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#define KD_TEXT1 0x03 /* obsolete */

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#define KDGETMODE 0x4B3B /* get current mode */

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#define KDMAPDISP 0x4B3C /* map display into address space */

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#define KDUNMAPDISP 0x4B3D /* unmap display from address space */

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typedef char scrnmap_t;

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#define E_TABSZ 256

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#define GIO_SCRNMAP 0x4B40 /* get screen mapping from kernel */

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#define PIO_SCRNMAP 0x4B41 /* put screen mapping table in kernel */

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#define GIO_UNISCRNMAP 0x4B69 /* get full Unicode screen mapping */

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#define PIO_UNISCRNMAP 0x4B6A /* set full Unicode screen mapping */

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#define GIO_UNIMAP 0x4B66 /* get unicode-to-font mapping from kernel */

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struct unipair {

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unsigned short unicode;

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unsigned short fontpos;

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};

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struct unimapdesc {

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unsigned short entry_ct;

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struct unipair *entries;

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};

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#define PIO_UNIMAP 0x4B67 /* put unicode-to-font mapping in kernel */

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#define PIO_UNIMAPCLR 0x4B68 /* clear table, possibly advise hash algorithm */

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struct unimapinit {

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unsigned short advised_hashsize; /* 0 if no opinion */

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unsigned short advised_hashstep; /* 0 if no opinion */

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unsigned short advised_hashlevel; /* 0 if no opinion */

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};

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#define UNI_DIRECT_BASE 0xF000 /* start of Direct Font Region */

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#define UNI_DIRECT_MASK 0x01FF /* Direct Font Region bitmask */

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#define K_RAW 0x00

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#define K_XLATE 0x01

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#define K_MEDIUMRAW 0x02

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#define K_UNICODE 0x03

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#define K_OFF 0x04

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#define KDGKBMODE 0x4B44 /* gets current keyboard mode */

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#define KDSKBMODE 0x4B45 /* sets current keyboard mode */

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#define K_METABIT 0x03

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#define K_ESCPREFIX 0x04

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#define KDGKBMETA 0x4B62 /* gets meta key handling mode */

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#define KDSKBMETA 0x4B63 /* sets meta key handling mode */

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#define K_SCROLLLOCK 0x01

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#define K_NUMLOCK 0x02

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#define K_CAPSLOCK 0x04

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#define KDGKBLED 0x4B64 /* get led flags (not lights) */

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#define KDSKBLED 0x4B65 /* set led flags (not lights) */

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struct kbentry {

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unsigned char kb_table;

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unsigned char kb_index;

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unsigned short kb_value;

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};

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#define K_NORMTAB 0x00

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#define K_SHIFTTAB 0x01

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#define K_ALTTAB 0x02

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#define K_ALTSHIFTTAB 0x03

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#define KDGKBENT 0x4B46 /* gets one entry in translation table */

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#define KDSKBENT 0x4B47 /* sets one entry in translation table */

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struct kbsentry {

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unsigned char kb_func;

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unsigned char kb_string[512];

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};

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#define KDGKBSENT 0x4B48 /* gets one function key string entry */

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#define KDSKBSENT 0x4B49 /* sets one function key string entry */

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struct kbdiacr {

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unsigned char diacr, base, result;

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};

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struct kbdiacrs {

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unsigned int kb_cnt; /* number of entries in following array */

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struct kbdiacr kbdiacr[256]; /* MAX_DIACR from keyboard.h */

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};

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#define KDGKBDIACR 0x4B4A /* read kernel accent table */

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#define KDSKBDIACR 0x4B4B /* write kernel accent table */

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struct kbdiacruc {

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unsigned int diacr, base, result;

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};

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struct kbdiacrsuc {

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unsigned int kb_cnt; /* number of entries in following array */

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struct kbdiacruc kbdiacruc[256]; /* MAX_DIACR from keyboard.h */

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};

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#define KDGKBDIACRUC 0x4BFA /* read kernel accent table - UCS */

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#define KDSKBDIACRUC 0x4BFB /* write kernel accent table - UCS */

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struct kbkeycode {

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unsigned int scancode, keycode;

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};

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#define KDGETKEYCODE 0x4B4C /* read kernel keycode table entry */

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#define KDSETKEYCODE 0x4B4D /* write kernel keycode table entry */

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#define KDSIGACCEPT 0x4B4E /* accept kbd generated signals */

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struct kbd_repeat {

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int delay; /* in msec; <= 0: don't change */

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int period; /* in msec; <= 0: don't change */

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/* earlier this field was misnamed "rate" */

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};

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#define KDKBDREP 0x4B52 /* set keyboard delay/repeat rate;

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* actually used values are returned */

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#define KDFONTOP 0x4B72 /* font operations */

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struct console_font_op {

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unsigned int op; /* operation code KD_FONT_OP_* */

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unsigned int flags; /* KD_FONT_FLAG_* */

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unsigned int width, height; /* font size */

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unsigned int charcount;

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unsigned char *data; /* font data with height fixed to 32 */

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};

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struct console_font {

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unsigned int width, height; /* font size */

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unsigned int charcount;

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unsigned char *data; /* font data with height fixed to 32 */

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};

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#define KD_FONT_OP_SET 0 /* Set font */

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#define KD_FONT_OP_GET 1 /* Get font */

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#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default, data points to name / NULL */

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#define KD_FONT_OP_COPY 3 /* Copy from another console */

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#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't recalculate hw charcell size [compat] */

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/* note: 0x4B00-0x4B4E all have had a value at some time;

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don't reuse for the time being */

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/* note: 0x4B60-0x4B6D, 0x4B70-0x4B72 used above */

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#endif /* _LINUX_KD_H */

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