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/* $OpenBSD: fbvar.h,v 1.6 2001/11/01 12:13:46 art Exp $ */
/* $NetBSD: fbvar.h,v 1.3 1996/10/29 19:27:37 gwr Exp $ */
/*
* 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
*/
/*
* Frame buffer variables. All frame buffer drivers must provide the
* following in order to participate.
*/
struct fbdevice {
struct fbtype fb_fbtype; /* see fbio.h */
struct fbdriver *fb_driver; /* pointer to driver */
void *fb_private; /* for fb driver use */
char *fb_name; /* i.e. sc_dev.dx_name */
caddr_t fb_pixels; /* display RAM */
int fb_linebytes; /* bytes per display line */
/*
* XXX - The "Raster console" stuff could be stored
* in the driver specific structure at fb_private
* if needed.
*/
};
struct fbdriver {
/* These avoid the need to know our major number. */
int (*fbd_open) __P((dev_t, int, int, struct proc *));
int (*fbd_close) __P((dev_t, int, int, struct proc *));
paddr_t (*fbd_mmap) __P((dev_t, off_t, int));
/* These are the internal ioctl functions */
int (*fbd_gattr) __P((struct fbdevice *, struct fbgattr *));
int (*fbd_gvideo) __P((struct fbdevice *, int *));
int (*fbd_svideo) __P((struct fbdevice *, int *));
int (*fbd_getcmap) __P((struct fbdevice *, struct fbcmap *));
int (*fbd_putcmap) __P((struct fbdevice *, struct fbcmap *));
};
void fb_attach __P((struct fbdevice *, int));
int fbioctlfb __P((struct fbdevice *, u_long, caddr_t));
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