e0cc03a09b
kqueue provides a stateful and efficient event notification framework currently supported events include socket, file, directory, fifo, pipe, tty and device changes, and monitoring of processes and signals kqueue is supported by all writable filesystems in NetBSD tree (with exception of Coda) and all device drivers supporting poll(2) based on work done by Jonathan Lemon for FreeBSD initial NetBSD port done by Luke Mewburn and Jason Thorpe
107 lines
4.1 KiB
C
107 lines
4.1 KiB
C
/* $NetBSD: fbvar.h,v 1.7 2002/10/23 09:12:26 jdolecek 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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#include <sys/event.h> /* for struct knote */
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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 fbcmap;
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struct fbdevice {
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struct fbtype fb_fbtype; /* see fbio.h */
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struct fbdriver *fb_driver; /* pointer to driver */
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void *fb_private; /* for fb driver use */
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char *fb_name; /* i.e. sc_dev.dx_name */
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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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int fb_flags; /* copy of cf_flags */
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/* This points to the P4 register if the FB has one. */
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volatile u_int32_t *fb_pfour;
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/*
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* XXX - The "Raster console" stuff could be stored
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* in the driver specific structure at fb_private
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* if needed.
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*/
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};
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struct fbdriver {
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/* These avoid the need to know our major number. */
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int (*fbd_open) __P((dev_t, int, int, struct proc *));
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int (*fbd_close) __P((dev_t, int, int, struct proc *));
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paddr_t (*fbd_mmap) __P((dev_t, off_t, int));
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int (*fbd_kqfilter) __P((dev_t, struct knote *));
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/* These are the internal ioctl functions */
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int (*fbd_gattr) __P((struct fbdevice *, void *));
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int (*fbd_gvideo) __P((struct fbdevice *, void *));
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int (*fbd_svideo) __P((struct fbdevice *, void *));
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int (*fbd_getcmap) __P((struct fbdevice *, void *));
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int (*fbd_putcmap) __P((struct fbdevice *, void *));
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};
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int fbioctlfb __P((struct fbdevice *, u_long, caddr_t));
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void fb_attach __P((struct fbdevice *, int));
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int fb_noioctl __P((struct fbdevice *, void *));
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void fb_unblank __P((void));
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void fb_eeprom_setsize __P((struct fbdevice *));
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int fb_pfour_id __P((void *));
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int fb_pfour_get_video __P((struct fbdevice *));
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void fb_pfour_set_video __P((struct fbdevice *, int));
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void fb_pfour_setsize __P((struct fbdevice *));
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/* This comes from enable.c */
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void enable_video __P((int));
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