/*      $NetBSD: grfvar.h,v 1.15 2023/01/06 10:28:28 tsutsui Exp $      */

/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: Utah $Hdr: grfvar.h 1.9 91/01/21$
*
*      @(#)grfvar.h    7.3 (Berkeley) 5/7/91
*/

/*
* Structure passed as 'aux' during autoconf.
*/
typedef struct {
       cfprint_t       busprint;       /* grfbusprint function         */
       int             from_bus_match; /* called from grfbusmatch()    */
       int             unit;           /* grf-unit we want to attach   */
} grf_auxp_t;

struct ite_softc;

/*
* this struct is owned by the driver (grfcc)
* and is passed to grf when grf is configed. The ite also
* uses it...
*/
struct  grf_softc {
       device_t        g_device;       /* config sets this up.         */
       struct grfinfo  g_display;      /* hardware descr. (for ioctl)  */
       int             g_flags;        /* software flags               */
       int             g_unit;         /* grf unit we want/have        */
       dev_t           g_itedev;       /* ite device number            */
       dev_t           g_grfdev;       /* grf device number            */
       dev_t           g_viewdev;      /* view device number           */
       void *          g_data;         /* device dependent data        */
       int             (*g_mode)(struct grf_softc *, int, void *,
                                                               int, int);
       int             g_conpri;       /* priority of ite as console   */
       void            (*g_iteinit)(struct ite_softc *);
       void            (*g_itedeinit)(struct ite_softc *);
       void            (*g_iteclear)(struct ite_softc *, int, int,
                                                               int, int);
       void            (*g_iteputc)(struct ite_softc *, int, int,
                                                               int, int);
       void            (*g_itecursor)(struct ite_softc *, int);
       void            (*g_itescroll)(struct ite_softc *, int, int,
                                                               int, int);
};

/* flags */
#define GF_ALIVE        0x01
#define GF_OPEN         0x02
#define GF_EXCLUDE      0x04
#define GF_WANTED       0x08
#define GF_GRFON        0x10

/* software ids defined in grfioctl.h */

/* requests to mode routine (g_mode())*/
#define GM_GRFON                1
#define GM_GRFOFF               2
#define GM_GRFOVON              3
#define GM_GRFOVOFF             4
#define GM_GRFCONFIG            5
#define GM_GRFGETVMODE          6
#define GM_GRFSETVMODE          7
#define GM_GRFGETNUMVM          8
#define GM_GRFGETBANK           9
#define GM_GRFSETBANK           10
#define GM_GRFGETCURBANK        11
#define GM_GRFIOCTL             12

/* minor device interpretation */
#define GRFOVDEV        0x10    /* XXX no driver uses yet, overlay planes */
#define GRFIMDEV        0x20    /* XXX no driver uses yet, images planes  */
#define GRFUNIT(d)      ((d) & 0x7)

#ifdef _KERNEL

int  grf_mode(struct grf_softc *, int, void *, int, int);
void grf_viewsync(struct grf_softc *);

extern struct grf_softc *grfsp[]; /* XXX */
#endif /* _KERNEL */