102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
/* $NetBSD: fbvar.h,v 1.13 2008/06/28 12:13:38 tsutsui 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. 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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const char *fb_name; /* i.e. sc_dev->dv_xname */
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void * 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 uint32_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)(dev_t, int, int, struct lwp *);
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int (*fbd_close)(dev_t, int, int, struct lwp *);
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paddr_t (*fbd_mmap)(dev_t, off_t, int);
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int (*fbd_kqfilter)(dev_t, struct knote *);
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/* These are the internal ioctl functions */
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int (*fbd_gattr)(struct fbdevice *, void *);
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int (*fbd_gvideo)(struct fbdevice *, void *);
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int (*fbd_svideo)(struct fbdevice *, void *);
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int (*fbd_getcmap)(struct fbdevice *, void *);
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int (*fbd_putcmap)(struct fbdevice *, void *);
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};
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int fbioctlfb(struct fbdevice *, u_long, void *);
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void fb_attach(struct fbdevice *, int);
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int fb_noioctl(struct fbdevice *, void *);
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void fb_eeprom_setsize (struct fbdevice *);
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int fb_pfour_id(void *);
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int fb_pfour_get_video(struct fbdevice *);
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void fb_pfour_set_video(struct fbdevice *, int);
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void fb_pfour_setsize(struct fbdevice *);
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/* This comes from enable.c */
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void enable_video(int);
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