112 lines
4.2 KiB
C
112 lines
4.2 KiB
C
/* $NetBSD: fbvar.h,v 1.10 2005/12/11 12:23:56 christos 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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/*
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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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#include <sys/event.h>
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#include <dev/rcons/rcons.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/rasops/rasops.h>
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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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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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int (*fbd_ioctl)(dev_t, u_long, caddr_t, int, struct lwp *);
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int (*fbd_poll)(dev_t, 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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#ifdef notyet
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/*
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* XXX redundant idea? these can hook into rasops on a per-device
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* basis like: fb_rinfo.ri_ops.copycols = ....;
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*/
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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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int fb_flags; /* misc. flags */
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#define FB_FORCE 0x00000001 /* force device into /dev/fb */
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#define FB_PFOUR 0x00010000 /* indicates fb is a pfour fb */
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#define FB_USERMASK (FB_FORCE) /* flags that the user can set */
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volatile u_int32_t *fb_pfour; /* pointer to pfour register */
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#ifdef RASTERCONSOLE
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/* Raster console emulator state */
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struct rconsole fb_rcons;
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#endif
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/* for wsdisplay we always need rasops_info */
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struct rasops_info fb_rinfo;
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};
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void fb_attach(struct fbdevice *, int);
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void fb_setsize_obp(struct fbdevice *, int, int, int, int);
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void fb_setsize_eeprom(struct fbdevice *, int, int, int);
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void fb_setsize_pfour(struct fbdevice *);
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int fb_is_console(int);
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#ifdef RASTERCONSOLE
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void fbrcons_init(struct fbdevice *);
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int fbrcons_rows(void);
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int fbrcons_cols(void);
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#endif
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int fb_pfour_id(volatile 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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