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/*

 * 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;

#define NPAR 16

struct vc_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 */

        struct tty_struct *vc_tty;              /* TTY we are attached to */

        /* 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 int    vc_kmalloced    : 1;

        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 */

        unsigned long   vc_uni_pagedir;

        unsigned long   *vc_uni_pagedir_loc;  /* [!] Location of uni_pagedir variable for this console */

        /* 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 */