1 /* $NetBSD: fbvar.h,v 1.14 2022/02/12 03:24:35 riastradh 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. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)fbvar.h 8.1 (Berkeley) 6/11/93 41 */ 42 43 #include <sys/event.h> /* for struct knote */ 44 45 /* 46 * Frame buffer variables. All frame buffer drivers must provide the 47 * following in order to participate. 48 */ 49 50 struct fbcmap; 51 52 struct fbdevice { 53 struct fbtype fb_fbtype; /* see fbio.h */ 54 struct fbdriver *fb_driver; /* pointer to driver */ 55 void *fb_private; /* for fb driver use */ 56 const char *fb_name; /* i.e. device_xname(sc_dev) */ 57 58 void * fb_pixels; /* display RAM */ 59 int fb_linebytes; /* bytes per display line */ 60 61 int fb_flags; /* copy of cf_flags */ 62 63 /* This points to the P4 register if the FB has one. */ 64 volatile uint32_t *fb_pfour; 65 66 /* 67 * XXX - The "Raster console" stuff could be stored 68 * in the driver specific structure at fb_private 69 * if needed. 70 */ 71 }; 72 73 struct fbdriver { 74 /* These avoid the need to know our major number. */ 75 int (*fbd_open)(dev_t, int, int, struct lwp *); 76 int (*fbd_close)(dev_t, int, int, struct lwp *); 77 paddr_t (*fbd_mmap)(dev_t, off_t, int); 78 int (*fbd_kqfilter)(dev_t, struct knote *); 79 /* These are the internal ioctl functions */ 80 int (*fbd_gattr)(struct fbdevice *, void *); 81 int (*fbd_gvideo)(struct fbdevice *, void *); 82 int (*fbd_svideo)(struct fbdevice *, void *); 83 int (*fbd_getcmap)(struct fbdevice *, void *); 84 int (*fbd_putcmap)(struct fbdevice *, void *); 85 }; 86 87 int fbioctlfb(struct fbdevice *, u_long, void *); 88 89 void fb_attach(struct fbdevice *, int); 90 int fb_noioctl(struct fbdevice *, void *); 91 92 void fb_eeprom_setsize (struct fbdevice *); 93 94 int fb_pfour_id(void *); 95 int fb_pfour_get_video(struct fbdevice *); 96 void fb_pfour_set_video(struct fbdevice *, int); 97 98 void fb_pfour_setsize(struct fbdevice *); 99 100 /* This comes from enable.c */ 101 void enable_video(int); 102