4 * Data structure describing single virtual console except for data
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.
12 #ifndef _LINUX_CONSOLE_STRUCT_H
13 #define _LINUX_CONSOLE_STRUCT_H
15 #include <linux/wait.h>
17 #include <linux/workqueue.h>
25 struct tty_port port; /* Upper level data */
27 unsigned short vc_num; /* Console number */
28 unsigned int vc_cols; /* [#] Console size */
30 unsigned int vc_size_row; /* Bytes per row */
31 unsigned int vc_scan_lines; /* # of scan lines */
32 unsigned int vc_cell_height; /* CRTC character cell height */
33 unsigned long vc_origin; /* [!] Start of real screen */
34 unsigned long vc_scr_end; /* [!] End of real screen */
35 unsigned long vc_visible_origin; /* [!] Top of visible window */
36 unsigned int vc_top, vc_bottom; /* Scrolling region */
37 const struct consw *vc_sw;
38 unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */
39 unsigned int vc_screenbuf_size;
40 unsigned char vc_mode; /* KD_TEXT, ... */
41 /* attributes for all characters on screen */
42 unsigned char vc_attr; /* Current attributes */
43 unsigned char vc_def_color; /* Default colors */
44 unsigned char vc_color; /* Foreground & background */
45 unsigned char vc_s_color; /* Saved foreground & background */
46 unsigned char vc_ulcolor; /* Color for underline mode */
47 unsigned char vc_itcolor;
48 unsigned char vc_halfcolor; /* Color for half intensity mode */
50 unsigned int vc_cursor_type;
51 unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */
52 unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */
53 unsigned int vc_x, vc_y; /* Cursor position */
54 unsigned int vc_saved_x, vc_saved_y;
55 unsigned long vc_pos; /* Cursor address */
57 unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
58 struct console_font vc_font; /* Current VC font set */
59 unsigned short vc_video_erase_char; /* Background erase character */
60 /* VT terminal data */
61 unsigned int vc_state; /* Escape sequence parser state */
62 unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
63 /* data for manual vt switching */
64 struct vt_mode vt_mode;
67 wait_queue_head_t paste_wait;
69 unsigned int vc_charset : 1; /* Character set G0 / G1 */
70 unsigned int vc_s_charset : 1; /* Saved character set */
71 unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */
72 unsigned int vc_toggle_meta : 1; /* Toggle high bit? */
73 unsigned int vc_decscnm : 1; /* Screen Mode */
74 unsigned int vc_decom : 1; /* Origin Mode */
75 unsigned int vc_decawm : 1; /* Autowrap Mode */
76 unsigned int vc_deccm : 1; /* Cursor Visible */
77 unsigned int vc_decim : 1; /* Insert Mode */
78 unsigned int vc_deccolm : 1; /* 80/132 Column Mode */
80 unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */
81 unsigned int vc_italic:1;
82 unsigned int vc_underline : 1;
83 unsigned int vc_blink : 1;
84 unsigned int vc_reverse : 1;
85 unsigned int vc_s_intensity : 2; /* saved rendition */
86 unsigned int vc_s_italic:1;
87 unsigned int vc_s_underline : 1;
88 unsigned int vc_s_blink : 1;
89 unsigned int vc_s_reverse : 1;
91 unsigned int vc_ques : 1;
92 unsigned int vc_need_wrap : 1;
93 unsigned int vc_can_do_color : 1;
94 unsigned int vc_report_mouse : 2;
95 unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */
96 unsigned char vc_utf_count;
98 unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */
99 unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */
100 unsigned short * vc_translate;
101 unsigned char vc_G0_charset;
102 unsigned char vc_G1_charset;
103 unsigned char vc_saved_G0;
104 unsigned char vc_saved_G1;
105 unsigned int vc_resize_user; /* resize request from user */
106 unsigned int vc_bell_pitch; /* Console bell pitch */
107 unsigned int vc_bell_duration; /* Console bell duration */
108 unsigned short vc_cur_blink_ms; /* Cursor blink duration */
109 struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
110 struct uni_pagedir *vc_uni_pagedir;
111 struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
112 bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */
113 /* additional information is in vt_kern.h */
118 struct work_struct SAK_work;
120 /* might add scrmem, vt_struct, kbd at some time,
121 to have everything in one place - the disadvantage
122 would be that vc_cons etc can no longer be static */
125 extern struct vc vc_cons [MAX_NR_CONSOLES];
126 extern void vc_SAK(struct work_struct *work);
130 #define CUR_UNDERLINE 2
131 #define CUR_LOWER_THIRD 3
132 #define CUR_LOWER_HALF 4
133 #define CUR_TWO_THIRDS 5
135 #define CUR_HWMASK 0x0f
136 #define CUR_SWMASK 0xfff0
138 #define CUR_DEFAULT CUR_UNDERLINE
140 #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
142 #endif /* _LINUX_CONSOLE_STRUCT_H */