1 /* $NetBSD: fbvar.h,v 1.3 2000/08/23 12:02:47 pk 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 #ifdef RASTERCONSOLE 53 #include <dev/rcons/rcons.h> 54 #include <dev/wscons/wsdisplayvar.h> 55 #include <dev/rasops/rasops.h> 56 #endif 57 58 struct fbdriver { 59 /* device unblank function (force kernel output to display) */ 60 void (*fbd_unblank)(struct device *); 61 int (*fbd_open)(dev_t, int, int, struct proc *); 62 int (*fbd_close)(dev_t, int, int, struct proc *); 63 int (*fbd_ioctl)(dev_t, u_long, caddr_t, int, struct proc *); 64 int (*fbd_poll)(dev_t, int, struct proc *); 65 paddr_t (*fbd_mmap)(dev_t, off_t, int); 66 #ifdef notyet 67 /* 68 * XXX redundant idea? these can hook into rasops on a per-device 69 * basis like: fb_rinfo.ri_ops.copycols = ....; 70 */ 71 void (*fbd_wrrop)(); /* `write region' rasterop */ 72 void (*fbd_cprop)(); /* `copy region' rasterop */ 73 void (*fbd_clrop)(); /* `clear region' rasterop */ 74 #endif 75 }; 76 77 struct fbdevice { 78 int fb_major; /* XXX */ 79 struct fbtype fb_type; /* what it says */ 80 caddr_t fb_pixels; /* display RAM */ 81 int fb_linebytes; /* bytes per display line */ 82 83 struct fbdriver *fb_driver; /* pointer to driver */ 84 struct device *fb_device; /* parameter for fbd_unblank */ 85 86 int fb_flags; /* misc. flags */ 87 #define FB_FORCE 0x00000001 /* force device into /dev/fb */ 88 #define FB_PFOUR 0x00010000 /* indicates fb is a pfour fb */ 89 #define FB_USERMASK (FB_FORCE) /* flags that the user can set */ 90 91 volatile u_int32_t *fb_pfour; /* pointer to pfour register */ 92 93 #ifdef RASTERCONSOLE 94 /* Raster console emulator state */ 95 struct rconsole fb_rcons; 96 struct rasops_info fb_rinfo; 97 #endif 98 }; 99 100 void fb_attach(struct fbdevice *, int); 101 void fb_setsize_obp(struct fbdevice *, int, int, int, int); 102 void fb_setsize_eeprom(struct fbdevice *, int, int, int); 103 void fb_setsize_pfour(struct fbdevice *); 104 int fb_is_console(int); 105 #ifdef RASTERCONSOLE 106 void fbrcons_init(struct fbdevice *); 107 int fbrcons_rows(void); 108 int fbrcons_cols(void); 109 #endif 110 111 int fb_pfour_id(volatile void *); 112 int fb_pfour_get_video(struct fbdevice *); 113 void fb_pfour_set_video(struct fbdevice *, int); 114