| /* | |
| * console_struct.h | |
| * | |
| * Data structure describing single virtual console except for data | |
| * used by vt.c. | |
| * | |
| * Fields marked with [#] must be set by the low-level driver. | |
| * Fields marked with [!] can be changed by the low-level driver | |
| * to achieve effects such as fast scrolling by changing the origin. | |
| */ | |
| #ifndef _LINUX_CONSOLE_STRUCT_H | |
| #define _LINUX_CONSOLE_STRUCT_H | |
| #include <linux/wait.h> | |
| #include <linux/vt.h> | |
| #include <linux/workqueue.h> | |
| struct vt_struct; | |
| struct uni_pagedir; | |
| #define NPAR 16 | |
| struct vc_data { | |
| struct tty_port port; /* Upper level data */ | |
| unsigned short vc_num; /* Console number */ | |
| unsigned int vc_cols; /* [#] Console size */ | |
| unsigned int vc_rows; | |
| unsigned int vc_size_row; /* Bytes per row */ | |
| unsigned int vc_scan_lines; /* # of scan lines */ | |
| unsigned long vc_origin; /* [!] Start of real screen */ | |
| unsigned long vc_scr_end; /* [!] End of real screen */ | |
| unsigned long vc_visible_origin; /* [!] Top of visible window */ | |
| unsigned int vc_top, vc_bottom; /* Scrolling region */ | |
| const struct consw *vc_sw; | |
| unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */ | |
| unsigned int vc_screenbuf_size; | |
| unsigned char vc_mode; /* KD_TEXT, ... */ | |
| /* attributes for all characters on screen */ | |
| unsigned char vc_attr; /* Current attributes */ | |
| unsigned char vc_def_color; /* Default colors */ | |
| unsigned char vc_color; /* Foreground & background */ | |
| unsigned char vc_s_color; /* Saved foreground & background */ | |
| unsigned char vc_ulcolor; /* Color for underline mode */ | |
| unsigned char vc_itcolor; | |
| unsigned char vc_halfcolor; /* Color for half intensity mode */ | |
| /* cursor */ | |
| unsigned int vc_cursor_type; | |
| unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */ | |
| unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */ | |
| unsigned int vc_x, vc_y; /* Cursor position */ | |
| unsigned int vc_saved_x, vc_saved_y; | |
| unsigned long vc_pos; /* Cursor address */ | |
| /* fonts */ | |
| unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */ | |
| struct console_font vc_font; /* Current VC font set */ | |
| unsigned short vc_video_erase_char; /* Background erase character */ | |
| /* VT terminal data */ | |
| unsigned int vc_state; /* Escape sequence parser state */ | |
| unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ | |
| /* data for manual vt switching */ | |
| struct vt_mode vt_mode; | |
| struct pid *vt_pid; | |
| int vt_newvt; | |
| wait_queue_head_t paste_wait; | |
| /* mode flags */ | |
| unsigned int vc_charset : 1; /* Character set G0 / G1 */ | |
| unsigned int vc_s_charset : 1; /* Saved character set */ | |
| unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */ | |
| unsigned int vc_toggle_meta : 1; /* Toggle high bit? */ | |
| unsigned int vc_decscnm : 1; /* Screen Mode */ | |
| unsigned int vc_decom : 1; /* Origin Mode */ | |
| unsigned int vc_decawm : 1; /* Autowrap Mode */ | |
| unsigned int vc_deccm : 1; /* Cursor Visible */ | |
| unsigned int vc_decim : 1; /* Insert Mode */ | |
| unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ | |
| /* attribute flags */ | |
| unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ | |
| unsigned int vc_italic:1; | |
| unsigned int vc_underline : 1; | |
| unsigned int vc_blink : 1; | |
| unsigned int vc_reverse : 1; | |
| unsigned int vc_s_intensity : 2; /* saved rendition */ | |
| unsigned int vc_s_italic:1; | |
| unsigned int vc_s_underline : 1; | |
| unsigned int vc_s_blink : 1; | |
| unsigned int vc_s_reverse : 1; | |
| /* misc */ | |
| unsigned int vc_ques : 1; | |
| unsigned int vc_need_wrap : 1; | |
| unsigned int vc_can_do_color : 1; | |
| unsigned int vc_report_mouse : 2; | |
| unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ | |
| unsigned char vc_utf_count; | |
| int vc_utf_char; | |
| unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */ | |
| unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */ | |
| unsigned short * vc_translate; | |
| unsigned char vc_G0_charset; | |
| unsigned char vc_G1_charset; | |
| unsigned char vc_saved_G0; | |
| unsigned char vc_saved_G1; | |
| unsigned int vc_resize_user; /* resize request from user */ | |
| unsigned int vc_bell_pitch; /* Console bell pitch */ | |
| unsigned int vc_bell_duration; /* Console bell duration */ | |
| struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ | |
| struct uni_pagedir *vc_uni_pagedir; | |
| struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ | |
| bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */ | |
| /* additional information is in vt_kern.h */ | |
| }; | |
| struct vc { | |
| struct vc_data *d; | |
| struct work_struct SAK_work; | |
| /* might add scrmem, vt_struct, kbd at some time, | |
| to have everything in one place - the disadvantage | |
| would be that vc_cons etc can no longer be static */ | |
| }; | |
| extern struct vc vc_cons [MAX_NR_CONSOLES]; | |
| extern void vc_SAK(struct work_struct *work); | |
| #define CUR_DEF 0 | |
| #define CUR_NONE 1 | |
| #define CUR_UNDERLINE 2 | |
| #define CUR_LOWER_THIRD 3 | |
| #define CUR_LOWER_HALF 4 | |
| #define CUR_TWO_THIRDS 5 | |
| #define CUR_BLOCK 6 | |
| #define CUR_HWMASK 0x0f | |
| #define CUR_SWMASK 0xfff0 | |
| #define CUR_DEFAULT CUR_UNDERLINE | |
| #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp) | |
| #endif /* _LINUX_CONSOLE_STRUCT_H */ |