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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 | struct tty_port port; /* Upper level data */ |
25 | |
26 | unsigned short vc_num; /* Console number */ |
27 | unsigned int vc_cols; /* [#] Console size */ |
28 | unsigned int vc_rows; |
29 | unsigned int vc_size_row; /* Bytes per row */ |
30 | unsigned int vc_scan_lines; /* # of scan lines */ |
31 | unsigned long vc_origin; /* [!] Start of real screen */ |
32 | unsigned long vc_scr_end; /* [!] End of real screen */ |
33 | unsigned long vc_visible_origin; /* [!] Top of visible window */ |
34 | unsigned int vc_top, vc_bottom; /* Scrolling region */ |
35 | const struct consw *vc_sw; |
36 | unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */ |
37 | unsigned int vc_screenbuf_size; |
38 | unsigned char vc_mode; /* KD_TEXT, ... */ |
39 | /* attributes for all characters on screen */ |
40 | unsigned char vc_attr; /* Current attributes */ |
41 | unsigned char vc_def_color; /* Default colors */ |
42 | unsigned char vc_color; /* Foreground & background */ |
43 | unsigned char vc_s_color; /* Saved foreground & background */ |
44 | unsigned char vc_ulcolor; /* Color for underline mode */ |
45 | unsigned char vc_itcolor; |
46 | unsigned char vc_halfcolor; /* Color for half intensity mode */ |
47 | /* cursor */ |
48 | unsigned int vc_cursor_type; |
49 | unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */ |
50 | unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */ |
51 | unsigned int vc_x, vc_y; /* Cursor position */ |
52 | unsigned int vc_saved_x, vc_saved_y; |
53 | unsigned long vc_pos; /* Cursor address */ |
54 | /* fonts */ |
55 | unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */ |
56 | struct console_font vc_font; /* Current VC font set */ |
57 | unsigned short vc_video_erase_char; /* Background erase character */ |
58 | /* VT terminal data */ |
59 | unsigned int vc_state; /* Escape sequence parser state */ |
60 | unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ |
61 | /* data for manual vt switching */ |
62 | struct vt_mode vt_mode; |
63 | struct pid *vt_pid; |
64 | int vt_newvt; |
65 | wait_queue_head_t paste_wait; |
66 | /* mode flags */ |
67 | unsigned int vc_charset : 1; /* Character set G0 / G1 */ |
68 | unsigned int vc_s_charset : 1; /* Saved character set */ |
69 | unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */ |
70 | unsigned int vc_toggle_meta : 1; /* Toggle high bit? */ |
71 | unsigned int vc_decscnm : 1; /* Screen Mode */ |
72 | unsigned int vc_decom : 1; /* Origin Mode */ |
73 | unsigned int vc_decawm : 1; /* Autowrap Mode */ |
74 | unsigned int vc_deccm : 1; /* Cursor Visible */ |
75 | unsigned int vc_decim : 1; /* Insert Mode */ |
76 | unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ |
77 | /* attribute flags */ |
78 | unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ |
79 | unsigned int vc_italic:1; |
80 | unsigned int vc_underline : 1; |
81 | unsigned int vc_blink : 1; |
82 | unsigned int vc_reverse : 1; |
83 | unsigned int vc_s_intensity : 2; /* saved rendition */ |
84 | unsigned int vc_s_italic:1; |
85 | unsigned int vc_s_underline : 1; |
86 | unsigned int vc_s_blink : 1; |
87 | unsigned int vc_s_reverse : 1; |
88 | /* misc */ |
89 | unsigned int vc_ques : 1; |
90 | unsigned int vc_need_wrap : 1; |
91 | unsigned int vc_can_do_color : 1; |
92 | unsigned int vc_report_mouse : 2; |
93 | unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ |
94 | unsigned char vc_utf_count; |
95 | int vc_utf_char; |
96 | unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */ |
97 | unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */ |
98 | unsigned short * vc_translate; |
99 | unsigned char vc_G0_charset; |
100 | unsigned char vc_G1_charset; |
101 | unsigned char vc_saved_G0; |
102 | unsigned char vc_saved_G1; |
103 | unsigned int vc_resize_user; /* resize request from user */ |
104 | unsigned int vc_bell_pitch; /* Console bell pitch */ |
105 | unsigned int vc_bell_duration; /* Console bell duration */ |
106 | struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ |
107 | unsigned long vc_uni_pagedir; |
108 | unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ |
109 | bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */ |
110 | /* additional information is in vt_kern.h */ |
111 | }; |
112 | |
113 | struct vc { |
114 | struct vc_data *d; |
115 | struct work_struct SAK_work; |
116 | |
117 | /* might add scrmem, vt_struct, kbd at some time, |
118 | to have everything in one place - the disadvantage |
119 | would be that vc_cons etc can no longer be static */ |
120 | }; |
121 | |
122 | extern struct vc vc_cons [MAX_NR_CONSOLES]; |
123 | extern void vc_SAK(struct work_struct *work); |
124 | |
125 | #define CUR_DEF 0 |
126 | #define CUR_NONE 1 |
127 | #define CUR_UNDERLINE 2 |
128 | #define CUR_LOWER_THIRD 3 |
129 | #define CUR_LOWER_HALF 4 |
130 | #define CUR_TWO_THIRDS 5 |
131 | #define CUR_BLOCK 6 |
132 | #define CUR_HWMASK 0x0f |
133 | #define CUR_SWMASK 0xfff0 |
134 | |
135 | #define CUR_DEFAULT CUR_UNDERLINE |
136 | |
137 | #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp) |
138 | |
139 | #endif /* _LINUX_CONSOLE_STRUCT_H */ |
140 |
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