/*      $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 */

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