111 lines
4.4 KiB
C
111 lines
4.4 KiB
C
/* $NetBSD: fbvar.h,v 1.2 1994/11/20 20:53:04 deraadt Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)fbvar.h 8.1 (Berkeley) 6/11/93
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*/
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/*
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* Frame buffer variables. All frame buffer drivers must provide the
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* following in order to participate.
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*/
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struct fbdriver {
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/* device unblank function (force kernel output to display) */
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void (*fbd_unblank)(struct device *);
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#ifdef notyet
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void (*fbd_wrrop)(); /* `write region' rasterop */
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void (*fbd_cprop)(); /* `copy region' rasterop */
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void (*fbd_clrop)(); /* `clear region' rasterop */
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#endif
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};
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struct fbdevice {
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int fb_major; /* XXX */
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struct fbtype fb_type; /* what it says */
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caddr_t fb_pixels; /* display RAM */
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int fb_linebytes; /* bytes per display line */
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struct fbdriver *fb_driver; /* pointer to driver */
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struct device *fb_device; /* parameter for fbd_unblank */
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/* Raster console emulator state */
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u_int fb_bits; /* see defines below */
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int fb_ringing; /* bell currently ringing */
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int fb_belldepth; /* audible bell depth */
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int fb_scroll; /* stupid sun scroll mode */
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int fb_p0; /* escape sequence parameter 0 */
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int fb_p1; /* escape sequence parameter 1 */
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int *fb_row; /* emulator row */
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int *fb_col; /* emulator column */
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int fb_maxrow; /* emulator height of screen */
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int fb_maxcol; /* emulator width of screen */
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int fb_emuwidth; /* emulator screen width */
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int fb_emuheight; /* emulator screen height */
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int fb_xorigin; /* x origin for first column */
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int fb_yorigin; /* y origin for first row */
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struct raster *fb_sp; /* frame buffer raster */
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struct raster *fb_cursor; /* optional cursor */
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int fb_ras_blank; /* current screen blank raster op */
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struct raster_font *fb_font; /* font and related info */
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int fb_font_ascent; /* distance from font to char origin */
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};
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#define FB_INESC 0x001 /* processing an escape sequence */
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#define FB_STANDOUT 0x002 /* standout mode */
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/* #define FB_BOLD 0x? /* boldface mode */
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#define FB_INVERT 0x008 /* white on black mode */
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#define FB_VISBELL 0x010 /* visual bell */
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#define FB_CURSOR 0x020 /* cursor is visible */
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#define FB_P0_DEFAULT 0x100 /* param 0 is defaulted */
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#define FB_P1_DEFAULT 0x200 /* param 1 is defaulted */
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#define FB_P0 0x400 /* working on param 0 */
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#define FB_P1 0x800 /* working on param 1 */
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void fbattach __P((struct fbdevice *));
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