uapi/linux/kd.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef _UAPI_LINUX_KD_H
0003 #define _UAPI_LINUX_KD_H
0004 #include <linux/types.h>
0005 #include <linux/compiler.h>
0006
0007 /* 0x4B is 'K', to avoid collision with termios and vt */
0008
0009 #define GIO_FONT    0x4B60  /* gets font in expanded form */
0010 #define PIO_FONT    0x4B61  /* use font in expanded form */
0011
0012 #define GIO_FONTX   0x4B6B  /* get font using struct consolefontdesc */
0013 #define PIO_FONTX   0x4B6C  /* set font using struct consolefontdesc */
0014 struct consolefontdesc {
0015     unsigned short charcount;   /* characters in font (256 or 512) */
0016     unsigned short charheight;  /* scan lines per character (1-32) */
0017     char __user *chardata;      /* font data in expanded form */
0018 };
0019
0020 #define PIO_FONTRESET   0x4B6D  /* reset to default font */
0021
0022 #define GIO_CMAP    0x4B70  /* gets colour palette on VGA+ */
0023 #define PIO_CMAP    0x4B71  /* sets colour palette on VGA+ */
0024
0025 #define KIOCSOUND   0x4B2F  /* start sound generation (0 for off) */
0026 #define KDMKTONE    0x4B30  /* generate tone */
0027
0028 #define KDGETLED    0x4B31  /* return current led state */
0029 #define KDSETLED    0x4B32  /* set led state [lights, not flags] */
0030 #define     LED_SCR     0x01    /* scroll lock led */
0031 #define     LED_NUM     0x02    /* num lock led */
0032 #define     LED_CAP     0x04    /* caps lock led */
0033
0034 #define KDGKBTYPE   0x4B33  /* get keyboard type */
0035 #define     KB_84       0x01
0036 #define     KB_101      0x02    /* this is what we always answer */
0037 #define     KB_OTHER    0x03
0038
0039 #define KDADDIO     0x4B34  /* add i/o port as valid */
0040 #define KDDELIO     0x4B35  /* del i/o port as valid */
0041 #define KDENABIO    0x4B36  /* enable i/o to video board */
0042 #define KDDISABIO   0x4B37  /* disable i/o to video board */
0043
0044 #define KDSETMODE   0x4B3A  /* set text/graphics mode */
0045 #define     KD_TEXT     0x00
0046 #define     KD_GRAPHICS 0x01
0047 #define     KD_TEXT0    0x02    /* obsolete */
0048 #define     KD_TEXT1    0x03    /* obsolete */
0049 #define KDGETMODE   0x4B3B  /* get current mode */
0050
0051 #define KDMAPDISP   0x4B3C  /* map display into address space */
0052 #define KDUNMAPDISP 0x4B3D  /* unmap display from address space */
0053
0054 typedef char scrnmap_t;
0055 #define     E_TABSZ     256
0056 #define GIO_SCRNMAP 0x4B40  /* get screen mapping from kernel */
0057 #define PIO_SCRNMAP 0x4B41  /* put screen mapping table in kernel */
0058 #define GIO_UNISCRNMAP  0x4B69  /* get full Unicode screen mapping */
0059 #define PIO_UNISCRNMAP  0x4B6A  /* set full Unicode screen mapping */
0060
0061 #define GIO_UNIMAP  0x4B66  /* get unicode-to-font mapping from kernel */
0062 struct unipair {
0063     unsigned short unicode;
0064     unsigned short fontpos;
0065 };
0066 struct unimapdesc {
0067     unsigned short entry_ct;
0068     struct unipair __user *entries;
0069 };
0070 #define PIO_UNIMAP  0x4B67  /* put unicode-to-font mapping in kernel */
0071 #define PIO_UNIMAPCLR   0x4B68  /* clear table, possibly advise hash algorithm */
0072 struct unimapinit {
0073     unsigned short advised_hashsize;  /* 0 if no opinion */
0074     unsigned short advised_hashstep;  /* 0 if no opinion */
0075     unsigned short advised_hashlevel; /* 0 if no opinion */
0076 };
0077
0078 #define UNI_DIRECT_BASE 0xF000  /* start of Direct Font Region */
0079 #define UNI_DIRECT_MASK 0x01FF  /* Direct Font Region bitmask */
0080
0081 #define     K_RAW       0x00
0082 #define     K_XLATE     0x01
0083 #define     K_MEDIUMRAW 0x02
0084 #define     K_UNICODE   0x03
0085 #define     K_OFF       0x04
0086 #define KDGKBMODE   0x4B44  /* gets current keyboard mode */
0087 #define KDSKBMODE   0x4B45  /* sets current keyboard mode */
0088
0089 #define     K_METABIT   0x03
0090 #define     K_ESCPREFIX 0x04
0091 #define KDGKBMETA   0x4B62  /* gets meta key handling mode */
0092 #define KDSKBMETA   0x4B63  /* sets meta key handling mode */
0093
0094 #define     K_SCROLLLOCK    0x01
0095 #define     K_NUMLOCK   0x02
0096 #define     K_CAPSLOCK  0x04
0097 #define KDGKBLED    0x4B64  /* get led flags (not lights) */
0098 #define KDSKBLED    0x4B65  /* set led flags (not lights) */
0099
0100 struct kbentry {
0101     unsigned char kb_table;
0102     unsigned char kb_index;
0103     unsigned short kb_value;
0104 };
0105 #define     K_NORMTAB   0x00
0106 #define     K_SHIFTTAB  0x01
0107 #define     K_ALTTAB    0x02
0108 #define     K_ALTSHIFTTAB   0x03
0109
0110 #define KDGKBENT    0x4B46  /* gets one entry in translation table */
0111 #define KDSKBENT    0x4B47  /* sets one entry in translation table */
0112
0113 struct kbsentry {
0114     unsigned char kb_func;
0115     unsigned char kb_string[512];
0116 };
0117 #define KDGKBSENT   0x4B48  /* gets one function key string entry */
0118 #define KDSKBSENT   0x4B49  /* sets one function key string entry */
0119
0120 struct kbdiacr {
0121         unsigned char diacr, base, result;
0122 };
0123 struct kbdiacrs {
0124         unsigned int kb_cnt;    /* number of entries in following array */
0125     struct kbdiacr kbdiacr[256];    /* MAX_DIACR from keyboard.h */
0126 };
0127 #define KDGKBDIACR      0x4B4A  /* read kernel accent table */
0128 #define KDSKBDIACR      0x4B4B  /* write kernel accent table */
0129
0130 struct kbdiacruc {
0131     unsigned int diacr, base, result;
0132 };
0133 struct kbdiacrsuc {
0134         unsigned int kb_cnt;    /* number of entries in following array */
0135     struct kbdiacruc kbdiacruc[256];    /* MAX_DIACR from keyboard.h */
0136 };
0137 #define KDGKBDIACRUC    0x4BFA  /* read kernel accent table - UCS */
0138 #define KDSKBDIACRUC    0x4BFB  /* write kernel accent table - UCS */
0139
0140 struct kbkeycode {
0141     unsigned int scancode, keycode;
0142 };
0143 #define KDGETKEYCODE    0x4B4C  /* read kernel keycode table entry */
0144 #define KDSETKEYCODE    0x4B4D  /* write kernel keycode table entry */
0145
0146 #define KDSIGACCEPT 0x4B4E  /* accept kbd generated signals */
0147
0148 struct kbd_repeat {
0149     int delay;  /* in msec; <= 0: don't change */
0150     int period; /* in msec; <= 0: don't change */
0151             /* earlier this field was misnamed "rate" */
0152 };
0153
0154 #define KDKBDREP        0x4B52  /* set keyboard delay/repeat rate;
0155                  * actually used values are returned */
0156
0157 #define KDFONTOP    0x4B72  /* font operations */
0158
0159 struct console_font_op {
0160     unsigned int op;    /* operation code KD_FONT_OP_* */
0161     unsigned int flags; /* KD_FONT_FLAG_* */
0162     unsigned int width, height; /* font size */
0163     unsigned int charcount;
0164     unsigned char __user *data; /* font data with height fixed to 32 */
0165 };
0166
0167 struct console_font {
0168     unsigned int width, height; /* font size */
0169     unsigned int charcount;
0170     unsigned char *data;    /* font data with height fixed to 32 */
0171 };
0172
0173 #define KD_FONT_OP_SET      0   /* Set font */
0174 #define KD_FONT_OP_GET      1   /* Get font */
0175 #define KD_FONT_OP_SET_DEFAULT  2   /* Set font to default, data points to name / NULL */
0176 #define KD_FONT_OP_COPY     3   /* Obsolete, do not use */
0177
0178 #define KD_FONT_FLAG_DONT_RECALC    1   /* Don't recalculate hw charcell size [compat] */
0179
0180 /* note: 0x4B00-0x4B4E all have had a value at some time;
0181    don't reuse for the time being */
0182 /* note: 0x4B60-0x4B6D, 0x4B70-0x4B72 used above */
0183
0184 #endif /* _UAPI_LINUX_KD_H */