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	/* Copy from another console */
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