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1da177e4 LT |
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 | ||
e07dea98 AD |
12 | #include <linux/vt.h> |
13 | ||
1da177e4 LT |
14 | struct vt_struct; |
15 | ||
16 | #define NPAR 16 | |
17 | ||
18 | struct vc_data { | |
19 | unsigned short vc_num; /* Console number */ | |
20 | unsigned int vc_cols; /* [#] Console size */ | |
21 | unsigned int vc_rows; | |
22 | unsigned int vc_size_row; /* Bytes per row */ | |
23 | unsigned int vc_scan_lines; /* # of scan lines */ | |
24 | unsigned long vc_origin; /* [!] Start of real screen */ | |
25 | unsigned long vc_scr_end; /* [!] End of real screen */ | |
26 | unsigned long vc_visible_origin; /* [!] Top of visible window */ | |
27 | unsigned int vc_top, vc_bottom; /* Scrolling region */ | |
28 | const struct consw *vc_sw; | |
29 | unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */ | |
30 | unsigned int vc_screenbuf_size; | |
31 | unsigned char vc_mode; /* KD_TEXT, ... */ | |
32 | /* attributes for all characters on screen */ | |
33 | unsigned char vc_attr; /* Current attributes */ | |
34 | unsigned char vc_def_color; /* Default colors */ | |
35 | unsigned char vc_color; /* Foreground & background */ | |
36 | unsigned char vc_s_color; /* Saved foreground & background */ | |
37 | unsigned char vc_ulcolor; /* Color for underline mode */ | |
38 | unsigned char vc_halfcolor; /* Color for half intensity mode */ | |
39 | /* cursor */ | |
40 | unsigned int vc_cursor_type; | |
41 | unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */ | |
42 | unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */ | |
43 | unsigned int vc_x, vc_y; /* Cursor position */ | |
44 | unsigned int vc_saved_x, vc_saved_y; | |
45 | unsigned long vc_pos; /* Cursor address */ | |
46 | /* fonts */ | |
47 | unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */ | |
48 | struct console_font vc_font; /* Current VC font set */ | |
49 | unsigned short vc_video_erase_char; /* Background erase character */ | |
50 | /* VT terminal data */ | |
51 | unsigned int vc_state; /* Escape sequence parser state */ | |
52 | unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ | |
53 | struct tty_struct *vc_tty; /* TTY we are attached to */ | |
54 | /* data for manual vt switching */ | |
55 | struct vt_mode vt_mode; | |
56 | int vt_pid; | |
57 | int vt_newvt; | |
58 | wait_queue_head_t paste_wait; | |
59 | /* mode flags */ | |
60 | unsigned int vc_charset : 1; /* Character set G0 / G1 */ | |
61 | unsigned int vc_s_charset : 1; /* Saved character set */ | |
62 | unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */ | |
63 | unsigned int vc_toggle_meta : 1; /* Toggle high bit? */ | |
64 | unsigned int vc_decscnm : 1; /* Screen Mode */ | |
65 | unsigned int vc_decom : 1; /* Origin Mode */ | |
66 | unsigned int vc_decawm : 1; /* Autowrap Mode */ | |
67 | unsigned int vc_deccm : 1; /* Cursor Visible */ | |
68 | unsigned int vc_decim : 1; /* Insert Mode */ | |
69 | unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ | |
70 | /* attribute flags */ | |
71 | unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ | |
72 | unsigned int vc_underline : 1; | |
73 | unsigned int vc_blink : 1; | |
74 | unsigned int vc_reverse : 1; | |
75 | unsigned int vc_s_intensity : 2; /* saved rendition */ | |
76 | unsigned int vc_s_underline : 1; | |
77 | unsigned int vc_s_blink : 1; | |
78 | unsigned int vc_s_reverse : 1; | |
79 | /* misc */ | |
80 | unsigned int vc_ques : 1; | |
81 | unsigned int vc_need_wrap : 1; | |
82 | unsigned int vc_can_do_color : 1; | |
83 | unsigned int vc_report_mouse : 2; | |
84 | unsigned int vc_kmalloced : 1; | |
85 | unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ | |
86 | unsigned char vc_utf_count; | |
87 | int vc_utf_char; | |
88 | unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */ | |
89 | unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */ | |
90 | unsigned short * vc_translate; | |
91 | unsigned char vc_G0_charset; | |
92 | unsigned char vc_G1_charset; | |
93 | unsigned char vc_saved_G0; | |
94 | unsigned char vc_saved_G1; | |
95 | unsigned int vc_bell_pitch; /* Console bell pitch */ | |
96 | unsigned int vc_bell_duration; /* Console bell duration */ | |
97 | struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ | |
98 | unsigned long vc_uni_pagedir; | |
99 | unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ | |
100 | /* additional information is in vt_kern.h */ | |
101 | }; | |
102 | ||
103 | struct vc { | |
104 | struct vc_data *d; | |
105 | ||
106 | /* might add scrmem, vt_struct, kbd at some time, | |
107 | to have everything in one place - the disadvantage | |
108 | would be that vc_cons etc can no longer be static */ | |
109 | }; | |
110 | ||
111 | extern struct vc vc_cons [MAX_NR_CONSOLES]; | |
112 | ||
113 | #define CUR_DEF 0 | |
114 | #define CUR_NONE 1 | |
115 | #define CUR_UNDERLINE 2 | |
116 | #define CUR_LOWER_THIRD 3 | |
117 | #define CUR_LOWER_HALF 4 | |
118 | #define CUR_TWO_THIRDS 5 | |
119 | #define CUR_BLOCK 6 | |
120 | #define CUR_HWMASK 0x0f | |
121 | #define CUR_SWMASK 0xfff0 | |
122 | ||
123 | #define CUR_DEFAULT CUR_UNDERLINE | |
124 | ||
125 | #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp) |