115 lines
4.3 KiB
C
115 lines
4.3 KiB
C
/* $NetBSD: fbvar.h,v 1.12 2003/08/07 16:29:12 agc Exp $ */
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/*
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* Copyright (c) 1992, 1993, 1995
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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. Modifications have been made by Ted Lemon
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* to provide more generic frame buffer support.
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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. 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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#ifndef _PMAX_FBVAR_H_
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#define _PMAX_FBVAR_H_
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/* XXX */
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#include <sys/select.h>
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/* Hardware cursor information... */
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struct hw_cursor {
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int width, height; /* Size of cursor... */
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int x, y; /* Position of cursor... */
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int depth; /* Depth in bits of cursor... */
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caddr_t bitmap; /* Cursor bitmap... */
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u_char *cmap; /* Cursor colormap... */
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int cmap_size; /* Size of cursor colormap... */
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};
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struct fbsoftc {
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struct device sc_dv;
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struct fbinfo *sc_fi;
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};
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struct fbinfo {
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int fi_unit; /* Physical frame buffer unit. */
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struct fbtype fi_type; /* Geometry of frame buffer. */
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caddr_t fi_pixels; /* display RAM */
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int fi_pixelsize; /* size of display RAM in bytes*/
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caddr_t fi_base; /* base address of fb I/O space. */
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caddr_t fi_vdac; /* Colormap base address... */
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caddr_t fi_cmap_bits; /* Colormap backing store... */
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int fi_size; /* Size of entire fb address space. */
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int fi_linebytes; /* bytes per display line */
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caddr_t fi_savedcmap; /* Colormap before open() */
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struct fbdriver *fi_driver; /* pointer to driver */
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struct hw_cursor fi_cursor; /* Hardware cursor info */
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u_int fi_blanked; /* Blanked? */
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u_int fi_open; /* Event queue mapped? */
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struct pmax_fbtty *fi_glasstty; /* old-pmax fb driver compat */
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struct fbuaccess *fi_fbu; /* qvss-style X event stuff */
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struct selinfo fi_selp; /* Select structure */
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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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int (*fbd_unblank) __P((struct fbinfo *));
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int (*fbd_blank) __P((struct fbinfo *));
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void (*fbd_initcmap) __P((struct fbinfo *));
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int (*fbd_getcmap) __P((struct fbinfo *, u_char *, int, int));
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int (*fbd_putcmap) __P((struct fbinfo *, const u_char *, int, int));
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void (*fbd_poscursor) __P((struct fbinfo *fi, int x, int y));
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void (*fbd_loadcursor) __P((struct fbinfo *fi, u_short *cursor));
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void (*fbd_cursorcolor) __P((struct fbinfo *fi, u_int *color));
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};
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#ifdef _KERNEL
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void fbattach __P((int));
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void fbcnalloc __P ((struct fbinfo **fip));
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int fballoc __P ((struct fbinfo **fip));
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void fbconnect __P ((struct fbinfo *fi));
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int tcfb_cnattach __P((int prom_slot));
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#endif /* _KERNEL */
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#endif /* !_PMAX_FBVAR_H_ */
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