/*      $NetBSD: itevar.h,v 1.16 2023/01/06 10:28:28 tsutsui Exp $      */

/*
 * Copyright (c) 1995 Leo Weppelman (Atari modifications)
 * Copyright (c) 1994 Christian E. Hopps
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Christian E. Hopps.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ITEVAR_H
#define _ITEVAR_H

#include <atari/dev/font.h>

enum ite_arraymaxs {
        MAX_ARGSIZE = 256,
        MAX_TABS = 256,
};

enum ite_attr {
        ATTR_NOR    = 0,
        ATTR_INV    = 1,
        ATTR_UL     = 2,
        ATTR_BOLD   = 4,
        ATTR_BLINK  = 8,
        ATTR_ALL    = 16-1,

        ATTR_KEYPAD = 0x80              /* XXX */
};

struct ite_softc {
        device_t                device;         /* _Must_ be first      */
        char                    argbuf[MAX_ARGSIZE];
        struct  grf_softc       *grf;           /* XXX */
        char                    *ap;
        struct  tty             *tp;
        void                    *priv;
        font_info               font;
        u_char                  *tabs;
        struct kbdmap           *kbdmap;
        int                     flags;
        short                   cursorx;
        short                   cursory;
        short                   rows;
        short                   cols;
        u_char                  *cursor;
        char                    imode;
        u_char                  escape;
        u_char                  cursor_opt;
        u_char                  key_repeat;
        char                    G0;
        char                    G1;
        char                    G2;
        char                    G3;
        char                    *GL;
        char                    *GR;
        char                    sc_G0;
        char                    sc_G1;
        char                    sc_G2;
        char                    sc_G3;
        char                    *sc_GL;
        char                    *sc_GR;
        char                    linefeed_newline;
        char                    auto_wrap;
        char                    cursor_appmode;
        char                    keypad_appmode;
        short                   top_margin;
        short                   bottom_margin;
        short                   inside_margins;
        short                   eightbit_C1;
        short                   emul_level;
        enum    ite_attr        attribute;
        enum    ite_attr        save_attribute;
        int                     curx;
        int                     save_curx;
        int                     cury;
        int                     save_cury;
        int                     (*itexx_ioctl)(struct ite_softc *, u_long,
                                                void *, int, struct lwp *);
};

enum ite_flags {
        ITE_ALIVE  = 0x1,               /* grf layer is configed        */
        ITE_ISCONS = 0x2,               /* ite is acting console.       */
        ITE_INITED = 0x4,               /* ite has been inited.         */
        ITE_ISOPEN = 0x8,               /* ite has been opened          */
        ITE_INGRF  = 0x10,              /* ite is in graphics mode      */
        ITE_ACTIVE = 0x20,              /* ite is an active terminal    */
        ITE_ATTACHED = 0x40,            /* ite is attached              */
};

enum ite_replrules {
        RR_CLEAR = 0,
        RR_COPY = 0x3,
        RR_XOR = 0x6,
        RR_COYINVERTED = 0xC
};

enum ite_scrolldir {
        SCROLL_UP = 1,
        SCROLL_DOWN,
        SCROLL_LEFT,
        SCROLL_RIGHT,
};

enum ite_cursact {
        DRAW_CURSOR = 5,
        ERASE_CURSOR,
        MOVE_CURSOR,
        START_CURSOROPT,
        END_CURSOROPT
};

enum ite_special_keycodes {
        KBD_LEFT_SHIFT  = 0x2a,
        KBD_RIGHT_SHIFT = 0x36,
        KBD_CAPS_LOCK   = 0x3a,
        KBD_CTRL        = 0x1d,
        KBD_ALT         = 0x38
};

enum ite_modifiers {
        KBD_MOD_LSHIFT  = 0x01,
        KBD_MOD_RSHIFT  = 0x02,
        KBD_MOD_CTRL    = 0x04,
        KBD_MOD_ALT     = 0x08,
        KBD_MOD_CAPS    = 0x10,
        KBD_MOD_SHIFT   = (KBD_MOD_LSHIFT | KBD_MOD_RSHIFT)
};

enum caller {
        ITEFILT_TTY,
        ITEFILT_CONSOLE,
        ITEFILT_REPEATER
};

enum emul_level {
        EMUL_VT100 = 1,
        EMUL_VT300_8,
        EMUL_VT300_7
};

enum ite_max_getsize { ITEBURST = 64 };

enum tab_size { TABSIZE = 8 };
#define TABEND(u) (ite_tty[u]->t_windsize.ws_col - TABSIZE) /* XXX */

#define set_attr(ip, attr)      ((ip)->attribute |= (attr))
#define clr_attr(ip, attr)      ((ip)->attribute &= ~(attr))
#define attrloc(ip, y, x) 0
#define attrclr(ip, sy, sx, h, w)
#define attrmov(ip, sy, sx, dy, dx, h, w)
#define attrtest(ip, attr) 0
#define attrset(ip, attr)

#ifdef _KERNEL

/* character set */
#define CSET_ASCII      0       /* US-ASCII */
#define CSET_DECGRAPH   1       /* DEC special graphics characters */

extern int ite_default_x;
extern int ite_default_y;
extern int ite_default_width;
extern int ite_default_depth;
extern int ite_default_height;


struct proc;
struct consdev;
struct termios;

/* console related function */
void    ite_cnprobe(struct consdev *);
void    ite_cninit(struct consdev *);
int     ite_cngetc(dev_t);
void    ite_cnputc(dev_t, int);
void    ite_cnfinish(struct ite_softc *);

/* standard ite device entry points. */
void    iteinit(dev_t);

/* ite functions */
void    ite_on(dev_t, int);
void    ite_off(dev_t, int);
void    ite_reinit(dev_t);
int     ite_param(struct tty *, struct termios *);
void    ite_reset(struct ite_softc *);
int     ite_cnfilter(u_int, enum caller);
void    ite_filter(u_int ,enum caller);

/* ite_cc functions */
int     grfcc_cnprobe(void);
void    grfcc_iteinit(struct grf_softc *);
#endif /* _KERNEL */

#endif /* _ITEVAR_H */