1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _LINUX_KD_H
3#define _LINUX_KD_H
4#include <linux/types.h>
5
6
7/* 0x4B is 'K', to avoid collision with termios and vt */
8
9#define GIO_FONT 0x4B60 /* gets font in expanded form */
10#define PIO_FONT 0x4B61 /* use font in expanded form */
11
12#define GIO_FONTX 0x4B6B /* get font using struct consolefontdesc */
13#define PIO_FONTX 0x4B6C /* set font using struct consolefontdesc */
14struct consolefontdesc {
15 unsigned short charcount; /* characters in font (256 or 512) */
16 unsigned short charheight; /* scan lines per character (1-32) */
17 char *chardata; /* font data in expanded form */
18};
19
20#define PIO_FONTRESET 0x4B6D /* reset to default font */
21
22#define GIO_CMAP 0x4B70 /* gets colour palette on VGA+ */
23#define PIO_CMAP 0x4B71 /* sets colour palette on VGA+ */
24
25#define KIOCSOUND 0x4B2F /* start sound generation (0 for off) */
26#define KDMKTONE 0x4B30 /* generate tone */
27
28#define KDGETLED 0x4B31 /* return current led state */
29#define KDSETLED 0x4B32 /* set led state [lights, not flags] */
30#define LED_SCR 0x01 /* scroll lock led */
31#define LED_NUM 0x02 /* num lock led */
32#define LED_CAP 0x04 /* caps lock led */
33
34#define KDGKBTYPE 0x4B33 /* get keyboard type */
35#define KB_84 0x01
36#define KB_101 0x02 /* this is what we always answer */
37#define KB_OTHER 0x03
38
39#define KDADDIO 0x4B34 /* add i/o port as valid */
40#define KDDELIO 0x4B35 /* del i/o port as valid */
41#define KDENABIO 0x4B36 /* enable i/o to video board */
42#define KDDISABIO 0x4B37 /* disable i/o to video board */
43
44#define KDSETMODE 0x4B3A /* set text/graphics mode */
45#define KD_TEXT 0x00
46#define KD_GRAPHICS 0x01
47#define KD_TEXT0 0x02 /* obsolete */
48#define KD_TEXT1 0x03 /* obsolete */
49#define KD_TRANSPARENT 0x04
50
51#define KDGETMODE 0x4B3B /* get current mode */
52
53#define KDMAPDISP 0x4B3C /* map display into address space */
54#define KDUNMAPDISP 0x4B3D /* unmap display from address space */
55
56typedef char scrnmap_t;
57#define E_TABSZ 256
58#define GIO_SCRNMAP 0x4B40 /* get screen mapping from kernel */
59#define PIO_SCRNMAP 0x4B41 /* put screen mapping table in kernel */
60#define GIO_UNISCRNMAP 0x4B69 /* get full Unicode screen mapping */
61#define PIO_UNISCRNMAP 0x4B6A /* set full Unicode screen mapping */
62
63#define GIO_UNIMAP 0x4B66 /* get unicode-to-font mapping from kernel */
64struct unipair {
65 unsigned short unicode;
66 unsigned short fontpos;
67};
68struct unimapdesc {
69 unsigned short entry_ct;
70 struct unipair *entries;
71};
72#define PIO_UNIMAP 0x4B67 /* put unicode-to-font mapping in kernel */
73#define PIO_UNIMAPCLR 0x4B68 /* clear table, possibly advise hash algorithm */
74struct unimapinit {
75 unsigned short advised_hashsize; /* 0 if no opinion */
76 unsigned short advised_hashstep; /* 0 if no opinion */
77 unsigned short advised_hashlevel; /* 0 if no opinion */
78};
79
80#define UNI_DIRECT_BASE 0xF000 /* start of Direct Font Region */
81#define UNI_DIRECT_MASK 0x01FF /* Direct Font Region bitmask */
82
83#define K_RAW 0x00
84#define K_XLATE 0x01
85#define K_MEDIUMRAW 0x02
86#define K_UNICODE 0x03
87#define K_OFF 0x04
88#define KDGKBMODE 0x4B44 /* gets current keyboard mode */
89#define KDSKBMODE 0x4B45 /* sets current keyboard mode */
90
91#define K_METABIT 0x03
92#define K_ESCPREFIX 0x04
93#define KDGKBMETA 0x4B62 /* gets meta key handling mode */
94#define KDSKBMETA 0x4B63 /* sets meta key handling mode */
95
96#define K_SCROLLLOCK 0x01
97#define K_NUMLOCK 0x02
98#define K_CAPSLOCK 0x04
99#define KDGKBLED 0x4B64 /* get led flags (not lights) */
100#define KDSKBLED 0x4B65 /* set led flags (not lights) */
101
102struct kbentry {
103 unsigned char kb_table;
104 unsigned char kb_index;
105 unsigned short kb_value;
106};
107#define K_NORMTAB 0x00
108#define K_SHIFTTAB 0x01
109#define K_ALTTAB 0x02
110#define K_ALTSHIFTTAB 0x03
111
112#define KDGKBENT 0x4B46 /* gets one entry in translation table */
113#define KDSKBENT 0x4B47 /* sets one entry in translation table */
114
115struct kbsentry {
116 unsigned char kb_func;
117 unsigned char kb_string[512];
118};
119#define KDGKBSENT 0x4B48 /* gets one function key string entry */
120#define KDSKBSENT 0x4B49 /* sets one function key string entry */
121
122struct kbdiacr {
123 unsigned char diacr, base, result;
124};
125struct kbdiacrs {
126 unsigned int kb_cnt; /* number of entries in following array */
127 struct kbdiacr kbdiacr[256]; /* MAX_DIACR from keyboard.h */
128};
129#define KDGKBDIACR 0x4B4A /* read kernel accent table */
130#define KDSKBDIACR 0x4B4B /* write kernel accent table */
131
132struct kbdiacruc {
133 unsigned int diacr, base, result;
134};
135struct kbdiacrsuc {
136 unsigned int kb_cnt; /* number of entries in following array */
137 struct kbdiacruc kbdiacruc[256]; /* MAX_DIACR from keyboard.h */
138};
139#define KDGKBDIACRUC 0x4BFA /* read kernel accent table - UCS */
140#define KDSKBDIACRUC 0x4BFB /* write kernel accent table - UCS */
141
142struct kbkeycode {
143 unsigned int scancode, keycode;
144};
145#define KDGETKEYCODE 0x4B4C /* read kernel keycode table entry */
146#define KDSETKEYCODE 0x4B4D /* write kernel keycode table entry */
147
148#define KDSIGACCEPT 0x4B4E /* accept kbd generated signals */
149
150struct kbd_repeat {
151 int delay; /* in msec; <= 0: don't change */
152 int period; /* in msec; <= 0: don't change */
153 /* earlier this field was misnamed "rate" */
154};
155
156#define KDKBDREP 0x4B52 /* set keyboard delay/repeat rate;
157 * actually used values are returned */
158
159#define KDFONTOP 0x4B72 /* font operations */
160
161struct console_font_op {
162 unsigned int op; /* operation code KD_FONT_OP_* */
163 unsigned int flags; /* KD_FONT_FLAG_* */
164 unsigned int width, height; /* font size */
165 unsigned int charcount;
166 unsigned char *data; /* font data with height fixed to 32 */
167};
168
169struct console_font {
170 unsigned int width, height; /* font size */
171 unsigned int charcount;
172 unsigned char *data; /* font data with height fixed to 32 */
173};
174
175#define KD_FONT_OP_SET 0 /* Set font */
176#define KD_FONT_OP_GET 1 /* Get font */
177#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default, data points to name / NULL */
178#define KD_FONT_OP_COPY 3 /* Copy from another console */
179
180#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't recalculate hw charcell size [compat] */
181
182/* note: 0x4B00-0x4B4E all have had a value at some time;
183 don't reuse for the time being */
184/* note: 0x4B60-0x4B6D, 0x4B70-0x4B72 used above */
185
186#endif /* _LINUX_KD_H */
187

source code of include/linux/kd.h