usr/src/sys/sparc/include/fbvar.h

/*
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * All advertising materials mentioning features or use of this software
 * must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Lawrence Berkeley Laboratory.
 *
 * 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 the University of
 *      California, Berkeley and its contributors.
 * 4. 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.
 *
 *      @(#)fbvar.h     8.1 (Berkeley) 6/11/93
 *
 * from: $Header: fbvar.h,v 1.15 92/11/26 02:04:34 torek Exp $
 */

/*
 * Frame buffer variables.  All frame buffer drivers must provide the
 * following in order to participate.
 */
struct fbdriver {
        /* device unblank function (force kernel output to display) */
        void    (*fbd_unblank)(struct device *);
#ifdef notyet
        void    (*fbd_wrrop)();         /* `write region' rasterop */
        void    (*fbd_cprop)();         /* `copy region' rasterop */
        void    (*fbd_clrop)();         /* `clear region' rasterop */
#endif
};

struct fbdevice {
        int     fb_major;               /* XXX */
        struct  fbtype fb_type;         /* what it says */
        caddr_t fb_pixels;              /* display RAM */
        int     fb_linebytes;           /* bytes per display line */

        struct  fbdriver *fb_driver;    /* pointer to driver */
        struct  device *fb_device;      /* parameter for fbd_unblank */

        /* Raster console emulator state */
        u_int   fb_bits;                /* see defines below */
        int     fb_ringing;             /* bell currently ringing */
        int     fb_belldepth;           /* audible bell depth */
        int     fb_scroll;              /* stupid sun scroll mode */

        int     fb_p0;                  /* escape sequence parameter 0 */
        int     fb_p1;                  /* escape sequence parameter 1 */

        int     *fb_row;                /* emulator row */
        int     *fb_col;                /* emulator column */

        int     fb_maxrow;              /* emulator height of screen */
        int     fb_maxcol;              /* emulator width of screen */

        int     fb_emuwidth;            /* emulator screen width  */
        int     fb_emuheight;           /* emulator screen height */

        int     fb_xorigin;             /* x origin for first column */
        int     fb_yorigin;             /* y origin for first row */

        struct  raster *fb_sp;          /* frame buffer raster */
        struct  raster *fb_cursor;      /* optional cursor */
        int     fb_ras_blank;           /* current screen blank raster op */

        struct  raster_font *fb_font;   /* font and related info */
        int     fb_font_ascent;         /* distance from font to char origin */
};

#define FB_INESC        0x001           /* processing an escape sequence */
#define FB_STANDOUT     0x002           /* standout mode */
/* #define FB_BOLD      0x?             /* boldface mode */
#define FB_INVERT       0x008           /* white on black mode */
#define FB_VISBELL      0x010           /* visual bell */
#define FB_CURSOR       0x020           /* cursor is visible */
#define FB_P0_DEFAULT   0x100           /* param 0 is defaulted */
#define FB_P1_DEFAULT   0x200           /* param 1 is defaulted */
#define FB_P0           0x400           /* working on param 0 */
#define FB_P1           0x800           /* working on param 1 */

void    fbattach __P((struct fbdevice *));