diff options
Diffstat (limited to 'include/linux/console.h')
-rw-r--r-- | include/linux/console.h | 103 |
1 files changed, 39 insertions, 64 deletions
diff --git a/include/linux/console.h b/include/linux/console.h index 80a1c5e69..7589ce794 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -16,70 +16,7 @@ #define NPAR 16 -struct vc_data { - unsigned long vc_screenbuf_size; - unsigned short vc_num; /* Console number */ - unsigned short vc_video_erase_char; /* Background erase character */ - 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; /* Colour for underline mode */ - unsigned char vc_halfcolor; /* Colour for half intensity mode */ - unsigned long vc_origin; /* Used for EGA/VGA fast scroll */ - unsigned long vc_scr_end; /* Used for EGA/VGA fast scroll */ - unsigned short *vc_pos; - unsigned long vc_x,vc_y; - unsigned long vc_top,vc_bottom; - unsigned long vc_rows,vc_cols; - unsigned long vc_size_row; - unsigned long vc_state; - unsigned long vc_npar,vc_par[NPAR]; - unsigned short *vc_video_mem_start; - unsigned long vc_video_mem_end; /* End of video RAM (sort of) */ - unsigned long vc_saved_x; - unsigned long vc_saved_y; - /* mode flags */ - unsigned long vc_charset : 1; /* Character set G0 / G1 */ - unsigned long vc_s_charset : 1; /* Saved character set */ - unsigned long vc_disp_ctrl : 1; /* Display chars < 32? */ - unsigned long vc_toggle_meta : 1; /* Toggle high bit? */ - unsigned long vc_decscnm : 1; /* Screen Mode */ - unsigned long vc_decom : 1; /* Origin Mode */ - unsigned long vc_decawm : 1; /* Autowrap Mode */ - unsigned long vc_deccm : 1; /* Cursor Visible */ - unsigned long vc_decim : 1; /* Insert Mode */ - unsigned long vc_deccolm : 1; /* 80/132 Column Mode */ - /* attribute flags */ - unsigned long vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ - unsigned long vc_underline : 1; - unsigned long vc_blink : 1; - unsigned long vc_reverse : 1; - unsigned long vc_s_intensity : 2; /* saved rendition */ - unsigned long vc_s_underline : 1; - unsigned long vc_s_blink : 1; - unsigned long vc_s_reverse : 1; - /* misc */ - unsigned long vc_ques : 1; - unsigned long vc_need_wrap : 1; - unsigned long vc_can_do_color : 1; - unsigned long vc_has_scrolled : 1; /* Info for unblank_screen */ - unsigned long vc_kmalloced : 1; /* kfree_s() needed */ - unsigned long vc_report_mouse : 2; - unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ - unsigned char vc_utf_count; - unsigned long vc_utf_char; - unsigned long vc_tab_stop[5]; /* Tab stops. 160 columns. */ - 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_bell_pitch; /* Console bell pitch */ - unsigned int vc_bell_duration; /* Console bell duration */ - struct consw *vc_sw; - /* additional information is in vt_kern.h */ -}; +struct vc_data; /* * this is what the terminal answers to a ESC-Z or csi0c query. @@ -121,4 +58,42 @@ extern struct consw *conswitchp; #define CM_ERASE (2) #define CM_MOVE (3) +struct tty_struct; +int tioclinux(struct tty_struct *tty, unsigned long arg); + +/* The interface for /dev/console(s) and printk output */ + +struct console +{ + /* + * This function should not return before the string is written. + */ + void (*write)(const char*, unsigned); + + /* To unblank the console in case of panic */ + void (*unblank)(void); + + /* + * Only the console that was registered last with wait_key != + * NULL will be used. This blocks until there is a character + * to give back, it does not schedule. + */ + void (*wait_key)(void); + + /* + * Return the device to use when opening /dev/console. Only the + * last registered console will do. + */ + int (*device)(void); + + /* + * For a linked list of consoles for multiple output. Any console + * not at the head of the list is used only for output. + */ + struct console *next; +}; + +extern void register_console(struct console *); +extern struct console *console_drivers; + #endif /* linux/console.h */ |