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