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