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1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_KD_H
3 #define _UAPI_LINUX_KD_H
4 #include <linux/types.h>
5 #include <linux/compiler.h>
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 */
14 struct consolefontdesc {
15 	unsigned short charcount;	/* characters in font (256 or 512) */
16 	unsigned short charheight;	/* scan lines per character (1-32) */
17 	char __user *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 
54 typedef 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 */
62 struct unipair {
63 	unsigned short unicode;
64 	unsigned short fontpos;
65 };
66 struct unimapdesc {
67 	unsigned short entry_ct;
68 	struct unipair __user *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 */
72 struct 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 
100 struct 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 
113 struct 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 
120 struct kbdiacr {
121         unsigned char diacr, base, result;
122 };
123 struct 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 
130 struct kbdiacruc {
131 	unsigned int diacr, base, result;
132 };
133 struct 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 
140 struct 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 
148 struct 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 
159 struct 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 __user *data;	/* font data with height fixed to 32 */
165 };
166 
167 struct console_font {
168 	unsigned int width, height;	/* font size */
169 	unsigned int charcount;
170 	unsigned char *data;	/* font data with height fixed to 32 */
171 };
172 
173 #define KD_FONT_OP_SET		0	/* Set font */
174 #define KD_FONT_OP_GET		1	/* Get font */
175 #define KD_FONT_OP_SET_DEFAULT	2	/* Set font to default, data points to name / NULL */
176 #define KD_FONT_OP_COPY		3	/* Obsolete, do not use */
177 
178 #define KD_FONT_FLAG_DONT_RECALC 	1	/* Don't recalculate hw charcell size [compat] */
179 
180 /* note: 0x4B00-0x4B4E all have had a value at some time;
181    don't reuse for the time being */
182 /* note: 0x4B60-0x4B6D, 0x4B70-0x4B72 used above */
183 
184 #endif /* _UAPI_LINUX_KD_H */
185