| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | struct vt_struct; |
| 13 | |
| 14 | #define NPAR 16 |
| 15 | |
| 16 | struct vc_data { |
| 17 | unsigned short vc_num; /* Console number */ |
| 18 | unsigned int vc_cols; /* [#] Console size */ |
| 19 | unsigned int vc_rows; |
| 20 | unsigned int vc_size_row; /* Bytes per row */ |
| 21 | unsigned int vc_scan_lines; /* # of scan lines */ |
| 22 | unsigned long vc_origin; /* [!] Start of real screen */ |
| 23 | unsigned long vc_scr_end; /* [!] End of real screen */ |
| 24 | unsigned long vc_visible_origin; /* [!] Top of visible window */ |
| 25 | unsigned int vc_top, vc_bottom; /* Scrolling region */ |
| 26 | const struct consw *vc_sw; |
| 27 | unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */ |
| 28 | unsigned int vc_screenbuf_size; |
| 29 | unsigned char vc_mode; /* KD_TEXT, ... */ |
| 30 | /* attributes for all characters on screen */ |
| 31 | unsigned char vc_attr; /* Current attributes */ |
| 32 | unsigned char vc_def_color; /* Default colors */ |
| 33 | unsigned char vc_color; /* Foreground & background */ |
| 34 | unsigned char vc_s_color; /* Saved foreground & background */ |
| 35 | unsigned char vc_ulcolor; /* Color for underline mode */ |
| 36 | unsigned char vc_halfcolor; /* Color for half intensity mode */ |
| 37 | /* cursor */ |
| 38 | unsigned int vc_cursor_type; |
| 39 | unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */ |
| 40 | unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */ |
| 41 | unsigned int vc_x, vc_y; /* Cursor position */ |
| 42 | unsigned int vc_saved_x, vc_saved_y; |
| 43 | unsigned long vc_pos; /* Cursor address */ |
| 44 | /* fonts */ |
| 45 | unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */ |
| 46 | struct console_font vc_font; /* Current VC font set */ |
| 47 | unsigned short vc_video_erase_char; /* Background erase character */ |
| 48 | /* VT terminal data */ |
| 49 | unsigned int vc_state; /* Escape sequence parser state */ |
| 50 | unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ |
| 51 | struct tty_struct *vc_tty; /* TTY we are attached to */ |
| 52 | /* data for manual vt switching */ |
| 53 | struct vt_mode vt_mode; |
| 54 | int vt_pid; |
| 55 | int vt_newvt; |
| 56 | wait_queue_head_t paste_wait; |
| 57 | /* mode flags */ |
| 58 | unsigned int vc_charset : 1; /* Character set G0 / G1 */ |
| 59 | unsigned int vc_s_charset : 1; /* Saved character set */ |
| 60 | unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */ |
| 61 | unsigned int vc_toggle_meta : 1; /* Toggle high bit? */ |
| 62 | unsigned int vc_decscnm : 1; /* Screen Mode */ |
| 63 | unsigned int vc_decom : 1; /* Origin Mode */ |
| 64 | unsigned int vc_decawm : 1; /* Autowrap Mode */ |
| 65 | unsigned int vc_deccm : 1; /* Cursor Visible */ |
| 66 | unsigned int vc_decim : 1; /* Insert Mode */ |
| 67 | unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ |
| 68 | /* attribute flags */ |
| 69 | unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ |
| 70 | unsigned int vc_underline : 1; |
| 71 | unsigned int vc_blink : 1; |
| 72 | unsigned int vc_reverse : 1; |
| 73 | unsigned int vc_s_intensity : 2; /* saved rendition */ |
| 74 | unsigned int vc_s_underline : 1; |
| 75 | unsigned int vc_s_blink : 1; |
| 76 | unsigned int vc_s_reverse : 1; |
| 77 | /* misc */ |
| 78 | unsigned int vc_ques : 1; |
| 79 | unsigned int vc_need_wrap : 1; |
| 80 | unsigned int vc_can_do_color : 1; |
| 81 | unsigned int vc_report_mouse : 2; |
| 82 | unsigned int vc_kmalloced : 1; |
| 83 | unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ |
| 84 | unsigned char vc_utf_count; |
| 85 | int vc_utf_char; |
| 86 | unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */ |
| 87 | unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */ |
| 88 | unsigned short * vc_translate; |
| 89 | unsigned char vc_G0_charset; |
| 90 | unsigned char vc_G1_charset; |
| 91 | unsigned char vc_saved_G0; |
| 92 | unsigned char vc_saved_G1; |
| 93 | unsigned int vc_bell_pitch; /* Console bell pitch */ |
| 94 | unsigned int vc_bell_duration; /* Console bell duration */ |
| 95 | struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ |
| 96 | unsigned long vc_uni_pagedir; |
| 97 | unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ |
| 98 | /* additional information is in vt_kern.h */ |
| 99 | }; |
| 100 | |
| 101 | struct vc { |
| 102 | struct vc_data *d; |
| 103 | |
| 104 | /* might add scrmem, vt_struct, kbd at some time, |
| 105 | to have everything in one place - the disadvantage |
| 106 | would be that vc_cons etc can no longer be static */ |
| 107 | }; |
| 108 | |
| 109 | extern struct vc vc_cons [MAX_NR_CONSOLES]; |
| 110 | |
| 111 | #define CUR_DEF 0 |
| 112 | #define CUR_NONE 1 |
| 113 | #define CUR_UNDERLINE 2 |
| 114 | #define CUR_LOWER_THIRD 3 |
| 115 | #define CUR_LOWER_HALF 4 |
| 116 | #define CUR_TWO_THIRDS 5 |
| 117 | #define CUR_BLOCK 6 |
| 118 | #define CUR_HWMASK 0x0f |
| 119 | #define CUR_SWMASK 0xfff0 |
| 120 | |
| 121 | #define CUR_DEFAULT CUR_UNDERLINE |
| 122 | |
| 123 | #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp) |