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/*

 *  linux/include/linux/console.h

 *

 *  Copyright (C) 1993        Hamish Macdonald

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file COPYING in the main directory of this archive

 * for more details.

 *

 * Changed:

 * 10-Mar-94: Arno Griffioen: Conversion for vt100 emulator port from PC LINUX

 */

#ifndef _LINUX_CONSOLE_H_

#define _LINUX_CONSOLE_H_ 1

#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 */

};

/*

 * this is what the terminal answers to a ESC-Z or csi0c query.

 */

#define VT100ID "\033[?1;2c"

#define VT102ID "\033[?6c"

/* DPC: 1994-04-13 !!! con_putcs is new entry !!! */

struct consw {

    unsigned long (*con_startup)(unsigned long, char **);

    void   (*con_init)(struct vc_data *);

    int    (*con_deinit)(struct vc_data *);

    int    (*con_clear)(struct vc_data *, int, int, int, int);

    int    (*con_putc)(struct vc_data *, int, int, int);

    int    (*con_putcs)(struct vc_data *, const char *, int, int, int);

    int    (*con_cursor)(struct vc_data *, int);

    int    (*con_scroll)(struct vc_data *, int, int, int, int);

    int    (*con_bmove)(struct vc_data *, int, int, int, int, int, int);

    int    (*con_switch)(struct vc_data *);

    int    (*con_blank)(int);

    int    (*con_get_font)(struct vc_data *, int *, int *, char *);

    int    (*con_set_font)(struct vc_data *, int, int, char *);

};

extern struct consw *conswitchp;

/* flag bits */

#define CON_INITED  (1)

/* scroll */

#define SM_UP       (1)

#define SM_DOWN     (2)

#define SM_LEFT     (3)

#define SM_RIGHT    (4)

/* cursor */

#define CM_DRAW     (1)

#define CM_ERASE    (2)

#define CM_MOVE     (3)

#endif /* linux/console.h */