/*
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/*
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* linux/arch/arm/drivers/char/vt.h
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* linux/arch/arm/drivers/char/vt.h
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*
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*
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* Virtual Terminal bits...
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* Virtual Terminal bits...
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*/
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*/
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#ifndef _VT_KERN_H
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#ifndef _VT_KERN_H
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#define _VT_KERN_H
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#define _VT_KERN_H
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#include <linux/vt.h>
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#include <linux/vt.h>
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#define NPAR 16
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#define NPAR 16
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#define SEL_BUFFER_SIZE 4096
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#define SEL_BUFFER_SIZE 4096
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struct vc_state {
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struct vc_state {
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unsigned char forecol; /* foreground */
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unsigned char forecol; /* foreground */
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unsigned char backcol; /* background */
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unsigned char backcol; /* background */
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unsigned char x; /* x position */
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unsigned char x; /* x position */
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unsigned char y; /* y position */
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unsigned char y; /* y position */
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#define FLG_BOLD 0x01
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#define FLG_BOLD 0x01
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#define FLG_ITALIC 0x02
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#define FLG_ITALIC 0x02
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#define FLG_UNDERLINE 0x04
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#define FLG_UNDERLINE 0x04
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#define FLG_FLASH 0x08
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#define FLG_FLASH 0x08
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#define FLG_INVERSE 0x10
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#define FLG_INVERSE 0x10
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#define FLG_CHRSET 0x20
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#define FLG_CHRSET 0x20
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unsigned char flags; /* special flags */
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unsigned char flags; /* special flags */
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unsigned char G0_charset; /* G0 character set */
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unsigned char G0_charset; /* G0 character set */
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unsigned char G1_charset; /* G1 character set */
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unsigned char G1_charset; /* G1 character set */
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unsigned char __unused; /* unused */
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unsigned char __unused; /* unused */
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};
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};
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extern struct con_struct *___GCC_HACK_TO_STOP_ITS_SILLY_COMPLAINTS___;
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extern struct con_struct *___GCC_HACK_TO_STOP_ITS_SILLY_COMPLAINTS___;
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struct console_driver {
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struct console_driver {
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void (*gotoxy)(struct con_struct *vcd);
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void (*gotoxy)(struct con_struct *vcd);
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void (*scroll_up)(struct con_struct *vcd,unsigned int,unsigned int,unsigned int);
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void (*scroll_up)(struct con_struct *vcd,unsigned int,unsigned int,unsigned int);
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void (*scroll_down)(struct con_struct *vcd,unsigned int,unsigned int,unsigned int);
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void (*scroll_down)(struct con_struct *vcd,unsigned int,unsigned int,unsigned int);
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unsigned long *(*buffer_pos)(struct con_struct *vcd,unsigned int offset);
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unsigned long *(*buffer_pos)(struct con_struct *vcd,unsigned int offset);
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void (*delete_char)(struct con_struct *vcd,unsigned int);
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void (*delete_char)(struct con_struct *vcd,unsigned int);
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void (*insert_char)(struct con_struct *vcd,unsigned int);
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void (*insert_char)(struct con_struct *vcd,unsigned int);
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void (*put_char)(struct con_struct *vcd,unsigned long);
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void (*put_char)(struct con_struct *vcd,unsigned long);
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void (*write_char)(struct con_struct *vcd,unsigned long);
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void (*write_char)(struct con_struct *vcd,unsigned long);
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void (*erase)(struct con_struct *vcd,unsigned char,unsigned char,unsigned char,unsigned char);
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void (*erase)(struct con_struct *vcd,unsigned char,unsigned char,unsigned char,unsigned char);
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};
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};
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struct con_struct {
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struct con_struct {
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struct {
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struct {
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unsigned int origin; /* address of top-left */
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unsigned int origin; /* address of top-left */
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unsigned int pos; /* current position into screen */
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unsigned int pos; /* current position into screen */
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unsigned long *palette_entries; /* Current palette */
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unsigned long *palette_entries; /* Current palette */
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unsigned int cursoron; /* Cursor on count */
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unsigned int cursoron; /* Cursor on count */
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} screen;
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} screen;
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struct {
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struct {
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unsigned long *buffer; /* pointer to actual buffer */
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unsigned long *buffer; /* pointer to actual buffer */
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unsigned int size; /* size of buffer */
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unsigned int size; /* size of buffer */
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unsigned int pos; /* current position into buffer */
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unsigned int pos; /* current position into buffer */
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unsigned char kmalloced : 1; /* buffer kmalloced */
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unsigned char kmalloced : 1; /* buffer kmalloced */
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} buffer;
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} buffer;
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struct console_driver driver;
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struct console_driver driver;
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/*
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/*
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* State
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* State
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*/
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*/
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struct vc_state curstate; /* current state */
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struct vc_state curstate; /* current state */
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struct vc_state savedstate; /* saved state */
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struct vc_state savedstate; /* saved state */
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unsigned long combined_state; /* combined state */
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unsigned long combined_state; /* combined state */
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unsigned long cached_backcolwrd; /* cached background colour */
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unsigned long cached_backcolwrd; /* cached background colour */
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unsigned long tab_stop[5]; /* tab stops */
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unsigned long tab_stop[5]; /* tab stops */
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unsigned short *translate; /* translation table */
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unsigned short *translate; /* translation table */
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unsigned char top; /* top of scrollable region */
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unsigned char top; /* top of scrollable region */
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unsigned char bottom; /* bottom of scrollable region */
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unsigned char bottom; /* bottom of scrollable region */
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unsigned char def_forecol; /* default foreground */
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unsigned char def_forecol; /* default foreground */
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unsigned char def_backcol; /* default background */
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unsigned char def_backcol; /* default background */
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unsigned char cursor_count; /* on/off cursor count (int) */
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unsigned char cursor_count; /* on/off cursor count (int) */
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unsigned char disp_ctrl : 1; /* display control characters */
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unsigned char disp_ctrl : 1; /* display control characters */
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unsigned char toggle_meta : 1; /* toggle high bit */
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unsigned char toggle_meta : 1; /* toggle high bit */
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unsigned char decscnm : 1; /* screen mode */
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unsigned char decscnm : 1; /* screen mode */
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unsigned char decom : 1; /* origin mode */
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unsigned char decom : 1; /* origin mode */
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unsigned char decawm : 1; /* autowrap mode */
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unsigned char decawm : 1; /* autowrap mode */
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unsigned char deccm : 1; /* cursor visible */
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unsigned char deccm : 1; /* cursor visible */
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unsigned char decim : 1; /* insert mode */
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unsigned char decim : 1; /* insert mode */
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unsigned char deccolm : 1; /* 80/132 col mode */
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unsigned char deccolm : 1; /* 80/132 col mode */
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unsigned char report_mouse : 2; /* mouse reporting? */
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unsigned char report_mouse : 2; /* mouse reporting? */
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unsigned char need_wrap : 1; /* need to wrap */
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unsigned char need_wrap : 1; /* need to wrap */
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unsigned char ques : 1;
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unsigned char ques : 1;
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/*
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/*
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* UTF
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* UTF
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*/
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*/
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unsigned char utf : 1; /* Unicode UTF-8 encoding */
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unsigned char utf : 1; /* Unicode UTF-8 encoding */
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unsigned char utf_count; /* UTF character count */
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unsigned char utf_count; /* UTF character count */
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unsigned long utf_char; /* UTF character built */
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unsigned long utf_char; /* UTF character built */
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unsigned long npar; /* number of params */
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unsigned long npar; /* number of params */
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unsigned long par[NPAR]; /* params */
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unsigned long par[NPAR]; /* params */
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unsigned int bell_pitch; /* console bell pitch */
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unsigned int bell_pitch; /* console bell pitch */
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unsigned int bell_duration; /* console bell duration */
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unsigned int bell_duration; /* console bell duration */
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unsigned char state; /* Current escape state */
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unsigned char state; /* Current escape state */
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};
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};
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struct vt_data {
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struct vt_data {
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unsigned char numcolumns; /* number of columns */
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unsigned char numcolumns; /* number of columns */
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unsigned char numrows; /* number of rows */
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unsigned char numrows; /* number of rows */
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unsigned char __unused[2];
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unsigned char __unused[2];
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struct vt *fgconsole; /* displayed VC */
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struct vt *fgconsole; /* displayed VC */
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struct vt *blanked; /* blanked VC */
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struct vt *blanked; /* blanked VC */
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struct {
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struct {
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unsigned char bitsperpix; /* bits per pixel */
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unsigned char bitsperpix; /* bits per pixel */
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unsigned char bytespercharh; /* horiz. bytes a char takes */
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unsigned char bytespercharh; /* horiz. bytes a char takes */
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unsigned char bytespercharv; /* vert. bytes a char takes */
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unsigned char bytespercharv; /* vert. bytes a char takes */
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unsigned char __unused[1];
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unsigned char __unused[1];
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unsigned long sizerow; /* size of a row of chars */
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unsigned long sizerow; /* size of a row of chars */
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unsigned long totsize; /* total character size */
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unsigned long totsize; /* total character size */
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unsigned long memstart; /* video mem start */
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unsigned long memstart; /* video mem start */
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unsigned long memsize; /* video mem size */
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unsigned long memsize; /* video mem size */
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unsigned long memend; /* video mem end */
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unsigned long memend; /* video mem end */
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unsigned long blankinterval; /* blank interval */
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unsigned long blankinterval; /* blank interval */
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} screen;
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} screen;
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struct {
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struct {
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unsigned long *buffer; /* address of screen buffer */
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unsigned long *buffer; /* address of screen buffer */
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unsigned long totsize; /* total buffer size */
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unsigned long totsize; /* total buffer size */
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unsigned long lastorigin; /* last origin address */
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unsigned long lastorigin; /* last origin address */
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unsigned long origin; /* current origin */
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unsigned long origin; /* current origin */
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unsigned long sizerow; /* size of a row of chars */
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unsigned long sizerow; /* size of a row of chars */
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} buffer;
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} buffer;
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struct {
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struct {
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struct vt *vt; /* selected VC */
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struct vt *vt; /* selected VC */
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int start; /* start offset */
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int start; /* start offset */
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int end; /* end offset */
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int end; /* end offset */
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int length; /* buffer length */
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int length; /* buffer length */
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char *buffer; /* buffer */
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char *buffer; /* buffer */
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} select;
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} select;
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};
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};
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extern struct vt_data vtdata;
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extern struct vt_data vtdata;
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extern struct tty_driver console_driver;
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extern struct tty_driver console_driver;
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struct vt_struct {
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struct vt_struct {
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unsigned char vc_mode; /* hmm... */
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unsigned char vc_mode; /* hmm... */
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unsigned char vc_kbdraw;
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unsigned char vc_kbdraw;
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unsigned char vc_kbde0;
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unsigned char vc_kbde0;
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unsigned char vc_kbdleds;
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unsigned char vc_kbdleds;
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struct vt_mode vt_mode;
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struct vt_mode vt_mode;
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pid_t vt_pid;
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pid_t vt_pid;
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struct vt *vt_newvt; /* VT to switch to.. */
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struct vt *vt_newvt; /* VT to switch to.. */
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struct wait_queue *paste_wait;
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struct wait_queue *paste_wait;
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unsigned char * xmit_buf;
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unsigned char * xmit_buf;
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unsigned int xmit_cnt;
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unsigned int xmit_cnt;
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unsigned int xmit_out;
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unsigned int xmit_out;
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unsigned int xmit_in;
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unsigned int xmit_in;
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unsigned int xmitting;
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unsigned int xmitting;
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};
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};
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struct vt {
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struct vt {
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/*
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/*
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* Per-console data
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* Per-console data
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*/
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*/
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struct con_struct *vcd;
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struct con_struct *vcd;
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/*
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/*
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* Keyboard stuff
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* Keyboard stuff
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*/
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*/
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struct kbd_struct *kbd;
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struct kbd_struct *kbd;
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/*
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/*
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* VT stuff
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* VT stuff
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*/
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*/
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struct vt_struct *vtd;
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struct vt_struct *vtd;
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/*
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/*
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* tty that this VT is connected to
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* tty that this VT is connected to
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*/
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*/
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struct tty_struct **tty;
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struct tty_struct **tty;
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/*
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/*
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* tty number of this vt struct
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* tty number of this vt struct
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*/
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*/
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unsigned char num;
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unsigned char num;
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/*
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/*
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* is this vt allocated and initialised?
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* is this vt allocated and initialised?
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*/
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*/
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unsigned char allocinit;
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unsigned char allocinit;
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/*
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/*
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* might add scrmem at some time, to have everything
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* might add scrmem at some time, to have everything
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* in one place - the disadvantage would be that
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* in one place - the disadvantage would be that
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* vc_cons etc can no longer be static
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* vc_cons etc can no longer be static
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*/
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*/
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};
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};
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extern struct vt vt_con_data[];
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extern struct vt vt_con_data[];
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#define VT_IS_IN_USE(i) (vt_driver.table[i] && vt_driver.table[i]->count)
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#define VT_IS_IN_USE(i) (vt_driver.table[i] && vt_driver.table[i]->count)
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#define VT_BUSY(i) (VT_IS_IN_USE(i) || vt_con_data + i == vtdata.fgconsole || vt_con_data + i == vtdata.select.vt)
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#define VT_BUSY(i) (VT_IS_IN_USE(i) || vt_con_data + i == vtdata.fgconsole || vt_con_data + i == vtdata.select.vt)
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extern inline int vt_allocated (const struct vt * const vt)
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extern inline int vt_allocated (const struct vt * const vt)
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{
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{
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return vt->allocinit != 0;
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return vt->allocinit != 0;
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}
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}
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extern void vt_reset (const struct vt *vt);
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extern void vt_reset (const struct vt *vt);
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extern void vt_completechangeconsole (const struct vt *vt);
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extern void vt_completechangeconsole (const struct vt *vt);
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extern void vt_changeconsole (struct vt *newvt);
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extern void vt_changeconsole (struct vt *newvt);
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extern void vt_mksound (unsigned int count, unsigned int vol, unsigned int ticks);
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extern void vt_mksound (unsigned int count, unsigned int vol, unsigned int ticks);
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extern int vt_deallocate (int arg);
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extern int vt_deallocate (int arg);
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extern int vt_resize (int cols, int rows);
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extern int vt_resize (int cols, int rows);
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/*
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/*
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* Blanking ...
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* Blanking ...
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*/
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*/
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extern void vt_pokeblankedconsole (void);
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extern void vt_pokeblankedconsole (void);
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extern void vt_do_unblankscreen (void);
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extern void vt_do_unblankscreen (void);
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extern void vt_do_blankscreen (int nopowersave);
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extern void vt_do_blankscreen (int nopowersave);
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/*
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/*
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* Screen switching...
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* Screen switching...
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*/
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*/
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extern void vt_updatescreen (const struct vt *newvt);
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extern void vt_updatescreen (const struct vt *newvt);
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/*
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/*
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* Initialisation ...
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* Initialisation ...
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*/
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*/
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extern unsigned long vt_pre_init (unsigned long kmem);
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extern unsigned long vt_pre_init (unsigned long kmem);
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extern void vt_post_init (void);
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extern void vt_post_init (void);
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#endif /* _VT_KERN_H */
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#endif /* _VT_KERN_H */
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