1 /* $NetBSD: fbvar.h,v 1.7 2002/10/23 09:12:26 jdolecek Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)fbvar.h 8.1 (Berkeley) 6/11/93 45 */ 46 47 #include <sys/event.h> /* for struct knote */ 48 49 /* 50 * Frame buffer variables. All frame buffer drivers must provide the 51 * following in order to participate. 52 */ 53 54 struct fbcmap; 55 56 struct fbdevice { 57 struct fbtype fb_fbtype; /* see fbio.h */ 58 struct fbdriver *fb_driver; /* pointer to driver */ 59 void *fb_private; /* for fb driver use */ 60 char *fb_name; /* i.e. sc_dev.dx_name */ 61 62 caddr_t fb_pixels; /* display RAM */ 63 int fb_linebytes; /* bytes per display line */ 64 65 int fb_flags; /* copy of cf_flags */ 66 67 /* This points to the P4 register if the FB has one. */ 68 volatile u_int32_t *fb_pfour; 69 70 /* 71 * XXX - The "Raster console" stuff could be stored 72 * in the driver specific structure at fb_private 73 * if needed. 74 */ 75 }; 76 77 struct fbdriver { 78 /* These avoid the need to know our major number. */ 79 int (*fbd_open) __P((dev_t, int, int, struct proc *)); 80 int (*fbd_close) __P((dev_t, int, int, struct proc *)); 81 paddr_t (*fbd_mmap) __P((dev_t, off_t, int)); 82 int (*fbd_kqfilter) __P((dev_t, struct knote *)); 83 /* These are the internal ioctl functions */ 84 int (*fbd_gattr) __P((struct fbdevice *, void *)); 85 int (*fbd_gvideo) __P((struct fbdevice *, void *)); 86 int (*fbd_svideo) __P((struct fbdevice *, void *)); 87 int (*fbd_getcmap) __P((struct fbdevice *, void *)); 88 int (*fbd_putcmap) __P((struct fbdevice *, void *)); 89 }; 90 91 int fbioctlfb __P((struct fbdevice *, u_long, caddr_t)); 92 93 void fb_attach __P((struct fbdevice *, int)); 94 int fb_noioctl __P((struct fbdevice *, void *)); 95 void fb_unblank __P((void)); 96 97 void fb_eeprom_setsize __P((struct fbdevice *)); 98 99 int fb_pfour_id __P((void *)); 100 int fb_pfour_get_video __P((struct fbdevice *)); 101 void fb_pfour_set_video __P((struct fbdevice *, int)); 102 103 void fb_pfour_setsize __P((struct fbdevice *)); 104 105 /* This comes from enable.c */ 106 void enable_video __P((int)); 107