/*      $NetBSD: grfvar.h,v 1.25 2015/11/07 14:29:10 phx 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
 */

struct ite_softc;

#ifdef _KERNEL
/* maximum console size */
#define MAXROWS 200
#define MAXCOLS 200

/*
 * this struct is owned by the driver (grfcc, grfrt)
 * 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 description (for ioctl) */
        volatile void   *g_regkva;      /* KVA of registers */
        volatile void   *g_fbkva;       /* KVA of framebuffer */
        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 */
        void            *g_data;        /* device dependent data */
        int             g_blank;        /* shadow copy of blank value */
        int             (*g_mode)(struct grf_softc *, u_long, void *,
                                  u_long, int);
#if NWSDISPLAY > 0
        struct wsdisplay_accessops      *g_accessops;
        struct wsdisplay_emulops        *g_emulops;
        struct wsscreen_descr           *g_defaultscr;
        struct wsscreen_list            *g_scrlist;
        struct vcons_data               g_vd;
        uint16_t g_rowoffset[MAXROWS];  /* speed up putchar-multiplication */
        int     g_wsmode;               /* current wsdisplay mode */ 
        
#else
        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);
#endif /* NWSDISPLAY */
};

#if NWSDISPLAY > 0
/*
 * Generic wsdisplay access ops that can be used from all grf drivers.
 */
paddr_t grf_wsmmap(void *, void *, off_t, int);
int     grf_wsioctl(void *, void *, u_long, void *, int, struct lwp *);
#endif /* NWSDISPLAY */

#endif /* _KERNEL */

/* flags */
#define GF_ALIVE        0x01
#define GF_OPEN         0x02
#define GF_EXCLUDE      0x04
#define GF_WANTED       0x08
#define GF_GRFON        0x10
#define GF_CONSOLE      0x20

/* 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
#define GM_GRFTOGGLE    13

/* minor device interpretation */
#define GRFOVDEV        0x10    /* used by grf_ul, overlay planes */
#define GRFIMDEV        0x20    /* used by grf_ul, images planes */
#define GRFUNIT(d)      ((d) & 0x7)

/*
 * unit numbers for devices
 */
enum grfunits {
        GRF_CC_UNIT,
        GRF_RETINAII_UNIT,
        GRF_RETINAIII_UNIT,
        GRF_CL5426_UNIT,
        GRF_ULOWELL_UNIT,
        GRF_CV64_UNIT,
        GRF_ET4000_UNIT,
        GRF_CV3D_UNIT
};