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 KDGETMODE 0x4B3B /* get current mode */
50
51#define KDMAPDISP 0x4B3C /* map display into address space */
52#define KDUNMAPDISP 0x4B3D /* unmap display from address space */
53
54typedef char scrnmap_t;
55#define E_TABSZ 256
56#define GIO_SCRNMAP 0x4B40 /* get screen mapping from kernel */
57#define PIO_SCRNMAP 0x4B41 /* put screen mapping table in kernel */
58#define GIO_UNISCRNMAP 0x4B69 /* get full Unicode screen mapping */
59#define PIO_UNISCRNMAP 0x4B6A /* set full Unicode screen mapping */
60
61#define GIO_UNIMAP 0x4B66 /* get unicode-to-font mapping from kernel */
62struct unipair {
63 unsigned short unicode;
64 unsigned short fontpos;
65};
66struct unimapdesc {
67 unsigned short entry_ct;
68 struct unipair *entries;
69};
70#define PIO_UNIMAP 0x4B67 /* put unicode-to-font mapping in kernel */
71#define PIO_UNIMAPCLR 0x4B68 /* clear table, possibly advise hash algorithm */
72struct unimapinit {
73 unsigned short advised_hashsize; /* 0 if no opinion */
74 unsigned short advised_hashstep; /* 0 if no opinion */
75 unsigned short advised_hashlevel; /* 0 if no opinion */
76};
77
78#define UNI_DIRECT_BASE 0xF000 /* start of Direct Font Region */
79#define UNI_DIRECT_MASK 0x01FF /* Direct Font Region bitmask */
80
81#define K_RAW 0x00
82#define K_XLATE 0x01
83#define K_MEDIUMRAW 0x02
84#define K_UNICODE 0x03
85#define K_OFF 0x04
86#define KDGKBMODE 0x4B44 /* gets current keyboard mode */
87#define KDSKBMODE 0x4B45 /* sets current keyboard mode */
88
89#define K_METABIT 0x03
90#define K_ESCPREFIX 0x04
91#define KDGKBMETA 0x4B62 /* gets meta key handling mode */
92#define KDSKBMETA 0x4B63 /* sets meta key handling mode */
93
94#define K_SCROLLLOCK 0x01
95#define K_NUMLOCK 0x02
96#define K_CAPSLOCK 0x04
97#define KDGKBLED 0x4B64 /* get led flags (not lights) */
98#define KDSKBLED 0x4B65 /* set led flags (not lights) */
99
100struct kbentry {
101 unsigned char kb_table;
102 unsigned char kb_index;
103 unsigned short kb_value;
104};
105#define K_NORMTAB 0x00
106#define K_SHIFTTAB 0x01
107#define K_ALTTAB 0x02
108#define K_ALTSHIFTTAB 0x03
109
110#define KDGKBENT 0x4B46 /* gets one entry in translation table */
111#define KDSKBENT 0x4B47 /* sets one entry in translation table */
112
113struct kbsentry {
114 unsigned char kb_func;
115 unsigned char kb_string[512];
116};
117#define KDGKBSENT 0x4B48 /* gets one function key string entry */
118#define KDSKBSENT 0x4B49 /* sets one function key string entry */
119
120struct kbdiacr {
121 unsigned char diacr, base, result;
122};
123struct kbdiacrs {
124 unsigned int kb_cnt; /* number of entries in following array */
125 struct kbdiacr kbdiacr[256]; /* MAX_DIACR from keyboard.h */
126};
127#define KDGKBDIACR 0x4B4A /* read kernel accent table */
128#define KDSKBDIACR 0x4B4B /* write kernel accent table */
129
130struct kbdiacruc {
131 unsigned int diacr, base, result;
132};
133struct kbdiacrsuc {
134 unsigned int kb_cnt; /* number of entries in following array */
135 struct kbdiacruc kbdiacruc[256]; /* MAX_DIACR from keyboard.h */
136};
137#define KDGKBDIACRUC 0x4BFA /* read kernel accent table - UCS */
138#define KDSKBDIACRUC 0x4BFB /* write kernel accent table - UCS */
139
140struct kbkeycode {
141 unsigned int scancode, keycode;
142};
143#define KDGETKEYCODE 0x4B4C /* read kernel keycode table entry */
144#define KDSETKEYCODE 0x4B4D /* write kernel keycode table entry */
145
146#define KDSIGACCEPT 0x4B4E /* accept kbd generated signals */
147
148struct kbd_repeat {
149 int delay; /* in msec; <= 0: don't change */
150 int period; /* in msec; <= 0: don't change */
151 /* earlier this field was misnamed "rate" */
152};
153
154#define KDKBDREP 0x4B52 /* set keyboard delay/repeat rate;
155 * actually used values are returned */
156
157#define KDFONTOP 0x4B72 /* font operations */
158
159struct console_font_op {
160 unsigned int op; /* operation code KD_FONT_OP_* */
161 unsigned int flags; /* KD_FONT_FLAG_* */
162 unsigned int width, height; /* font size */
163 unsigned int charcount;
164 unsigned char *data; /* font data with vpitch fixed to 32 for
165 * KD_FONT_OP_SET/GET
166 */
167};
168
169struct console_font {
170 unsigned int width, height; /* font size */
171 unsigned int charcount;
172 unsigned char *data; /* font data with vpitch fixed to 32 for
173 * KD_FONT_OP_SET/GET
174 */
175};
176
177#define KD_FONT_OP_SET 0 /* Set font */
178#define KD_FONT_OP_GET 1 /* Get font */
179#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default, data points to name / NULL */
180#define KD_FONT_OP_COPY 3 /* Obsolete, do not use */
181#define KD_FONT_OP_SET_TALL 4 /* Set font with vpitch = height */
182#define KD_FONT_OP_GET_TALL 5 /* Get font with vpitch = height */
183
184#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't recalculate hw charcell size [compat] */
185
186/* note: 0x4B00-0x4B4E all have had a value at some time;
187 don't reuse for the time being */
188/* note: 0x4B60-0x4B6D, 0x4B70-0x4B72 used above */
189
190#endif /* _LINUX_KD_H */