Line data Source code
1 : /*
2 : * console_struct.h
3 : *
4 : * Data structure describing single virtual console except for data
5 : * used by vt.c.
6 : *
7 : * Fields marked with [#] must be set by the low-level driver.
8 : * Fields marked with [!] can be changed by the low-level driver
9 : * to achieve effects such as fast scrolling by changing the origin.
10 : */
11 :
12 : #ifndef _LINUX_CONSOLE_STRUCT_H
13 : #define _LINUX_CONSOLE_STRUCT_H
14 :
15 : #include <linux/wait.h>
16 : #include <linux/vt.h>
17 : #include <linux/workqueue.h>
18 :
19 : struct vt_struct;
20 :
21 : #define NPAR 16
22 :
23 : struct vc_data {
24 : unsigned short vc_num; /* Console number */
25 : unsigned int vc_cols; /* [#] Console size */
26 : unsigned int vc_rows;
27 : unsigned int vc_size_row; /* Bytes per row */
28 : unsigned int vc_scan_lines; /* # of scan lines */
29 : unsigned long vc_origin; /* [!] Start of real screen */
30 : unsigned long vc_scr_end; /* [!] End of real screen */
31 : unsigned long vc_visible_origin; /* [!] Top of visible window */
32 : unsigned int vc_top, vc_bottom; /* Scrolling region */
33 : const struct consw *vc_sw;
34 : unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */
35 : unsigned int vc_screenbuf_size;
36 : unsigned char vc_mode; /* KD_TEXT, ... */
37 : /* attributes for all characters on screen */
38 : unsigned char vc_attr; /* Current attributes */
39 : unsigned char vc_def_color; /* Default colors */
40 : unsigned char vc_color; /* Foreground & background */
41 : unsigned char vc_s_color; /* Saved foreground & background */
42 : unsigned char vc_ulcolor; /* Color for underline mode */
43 : unsigned char vc_itcolor;
44 : unsigned char vc_halfcolor; /* Color for half intensity mode */
45 : /* cursor */
46 : unsigned int vc_cursor_type;
47 : unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */
48 : unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */
49 : unsigned int vc_x, vc_y; /* Cursor position */
50 : unsigned int vc_saved_x, vc_saved_y;
51 : unsigned long vc_pos; /* Cursor address */
52 : /* fonts */
53 : unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
54 : struct console_font vc_font; /* Current VC font set */
55 : unsigned short vc_video_erase_char; /* Background erase character */
56 : /* VT terminal data */
57 : unsigned int vc_state; /* Escape sequence parser state */
58 : unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
59 : struct tty_struct *vc_tty; /* TTY we are attached to */
60 : /* data for manual vt switching */
61 : struct vt_mode vt_mode;
62 : struct pid *vt_pid;
63 : int vt_newvt;
64 : wait_queue_head_t paste_wait;
65 : /* mode flags */
66 : unsigned int vc_charset : 1; /* Character set G0 / G1 */
67 : unsigned int vc_s_charset : 1; /* Saved character set */
68 : unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */
69 : unsigned int vc_toggle_meta : 1; /* Toggle high bit? */
70 : unsigned int vc_decscnm : 1; /* Screen Mode */
71 : unsigned int vc_decom : 1; /* Origin Mode */
72 : unsigned int vc_decawm : 1; /* Autowrap Mode */
73 : unsigned int vc_deccm : 1; /* Cursor Visible */
74 : unsigned int vc_decim : 1; /* Insert Mode */
75 : unsigned int vc_deccolm : 1; /* 80/132 Column Mode */
76 : /* attribute flags */
77 : unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */
78 : unsigned int vc_italic:1;
79 : unsigned int vc_underline : 1;
80 : unsigned int vc_blink : 1;
81 : unsigned int vc_reverse : 1;
82 : unsigned int vc_s_intensity : 2; /* saved rendition */
83 : unsigned int vc_s_italic:1;
84 : unsigned int vc_s_underline : 1;
85 : unsigned int vc_s_blink : 1;
86 : unsigned int vc_s_reverse : 1;
87 : /* misc */
88 : unsigned int vc_ques : 1;
89 : unsigned int vc_need_wrap : 1;
90 : unsigned int vc_can_do_color : 1;
91 : unsigned int vc_report_mouse : 2;
92 : unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */
93 : unsigned char vc_utf_count;
94 : int vc_utf_char;
95 : unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */
96 : unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */
97 : unsigned short * vc_translate;
98 : unsigned char vc_G0_charset;
99 : unsigned char vc_G1_charset;
100 : unsigned char vc_saved_G0;
101 : unsigned char vc_saved_G1;
102 : unsigned int vc_resize_user; /* resize request from user */
103 : unsigned int vc_bell_pitch; /* Console bell pitch */
104 : unsigned int vc_bell_duration; /* Console bell duration */
105 : struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
106 : unsigned long vc_uni_pagedir;
107 : unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
108 : /* additional information is in vt_kern.h */
109 1 : };
110 :
111 : struct vc {
112 : struct vc_data *d;
113 : struct work_struct SAK_work;
114 :
115 : /* might add scrmem, vt_struct, kbd at some time,
116 : to have everything in one place - the disadvantage
117 : would be that vc_cons etc can no longer be static */
118 : };
119 :
120 1 : extern struct vc vc_cons [MAX_NR_CONSOLES];
121 : extern void vc_SAK(struct work_struct *work);
122 :
123 : #define CUR_DEF 0
124 : #define CUR_NONE 1
125 : #define CUR_UNDERLINE 2
126 : #define CUR_LOWER_THIRD 3
127 : #define CUR_LOWER_HALF 4
128 : #define CUR_TWO_THIRDS 5
129 : #define CUR_BLOCK 6
130 : #define CUR_HWMASK 0x0f
131 : #define CUR_SWMASK 0xfff0
132 :
133 : #define CUR_DEFAULT CUR_UNDERLINE
134 :
135 : #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
136 :
137 : #endif /* _LINUX_CONSOLE_STRUCT_H */
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