1 /* $NetBSD: fbvar.h,v 1.4 2002/10/23 09:13:55 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 /* 48 * Frame buffer variables. All frame buffer drivers must provide the 49 * following in order to participate. 50 */ 51 52 #include <sys/event.h> 53 54 #ifdef RASTERCONSOLE 55 #include <dev/rcons/rcons.h> 56 #include <dev/wscons/wsdisplayvar.h> 57 #include <dev/rasops/rasops.h> 58 #endif 59 60 struct fbdriver { 61 /* device unblank function (force kernel output to display) */ 62 void (*fbd_unblank)(struct device *); 63 int (*fbd_open)(dev_t, int, int, struct proc *); 64 int (*fbd_close)(dev_t, int, int, struct proc *); 65 int (*fbd_ioctl)(dev_t, u_long, caddr_t, int, struct proc *); 66 int (*fbd_poll)(dev_t, int, struct proc *); 67 paddr_t (*fbd_mmap)(dev_t, off_t, int); 68 int (*fbd_kqfilter)(dev_t, struct knote *); 69 #ifdef notyet 70 /* 71 * XXX redundant idea? these can hook into rasops on a per-device 72 * basis like: fb_rinfo.ri_ops.copycols = ....; 73 */ 74 void (*fbd_wrrop)(); /* `write region' rasterop */ 75 void (*fbd_cprop)(); /* `copy region' rasterop */ 76 void (*fbd_clrop)(); /* `clear region' rasterop */ 77 #endif 78 }; 79 80 struct fbdevice { 81 int fb_major; /* XXX */ 82 struct fbtype fb_type; /* what it says */ 83 caddr_t fb_pixels; /* display RAM */ 84 int fb_linebytes; /* bytes per display line */ 85 86 struct fbdriver *fb_driver; /* pointer to driver */ 87 struct device *fb_device; /* parameter for fbd_unblank */ 88 89 int fb_flags; /* misc. flags */ 90 #define FB_FORCE 0x00000001 /* force device into /dev/fb */ 91 #define FB_PFOUR 0x00010000 /* indicates fb is a pfour fb */ 92 #define FB_USERMASK (FB_FORCE) /* flags that the user can set */ 93 94 volatile u_int32_t *fb_pfour; /* pointer to pfour register */ 95 96 #ifdef RASTERCONSOLE 97 /* Raster console emulator state */ 98 struct rconsole fb_rcons; 99 struct rasops_info fb_rinfo; 100 #endif 101 }; 102 103 void fb_attach(struct fbdevice *, int); 104 void fb_setsize_obp(struct fbdevice *, int, int, int, int); 105 void fb_setsize_eeprom(struct fbdevice *, int, int, int); 106 void fb_setsize_pfour(struct fbdevice *); 107 int fb_is_console(int); 108 #ifdef RASTERCONSOLE 109 void fbrcons_init(struct fbdevice *); 110 int fbrcons_rows(void); 111 int fbrcons_cols(void); 112 #endif 113 114 int fb_pfour_id(volatile void *); 115 int fb_pfour_get_video(struct fbdevice *); 116 void fb_pfour_set_video(struct fbdevice *, int); 117