1 /* $NetBSD: fbvar.h,v 1.13 2016/04/21 18:06:06 macallan 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 /* 44 * Frame buffer variables. All frame buffer drivers must provide the 45 * following in order to participate. 46 */ 47 48 #include <sys/event.h> 49 50 #include <dev/rcons/rcons.h> 51 #include <dev/wscons/wsdisplayvar.h> 52 #include <dev/rasops/rasops.h> 53 54 struct fbdriver { 55 /* device unblank function (force kernel output to display) */ 56 void (*fbd_unblank)(device_t); 57 int (*fbd_open)(dev_t, int, int, struct lwp *); 58 int (*fbd_close)(dev_t, int, int, struct lwp *); 59 int (*fbd_ioctl)(dev_t, u_long, void *, int, struct lwp *); 60 int (*fbd_poll)(dev_t, int, struct lwp *); 61 paddr_t (*fbd_mmap)(dev_t, off_t, int); 62 int (*fbd_kqfilter)(dev_t, struct knote *); 63 #ifdef notyet 64 /* 65 * XXX redundant idea? these can hook into rasops on a per-device 66 * basis like: fb_rinfo.ri_ops.copycols = ....; 67 */ 68 void (*fbd_wrrop)(); /* `write region' rasterop */ 69 void (*fbd_cprop)(); /* `copy region' rasterop */ 70 void (*fbd_clrop)(); /* `clear region' rasterop */ 71 #endif 72 }; 73 74 struct fbdevice { 75 int fb_major; /* XXX */ 76 struct fbtype fb_type; /* what it says */ 77 void * fb_pixels; /* display RAM */ 78 int fb_linebytes; /* bytes per display line */ 79 80 struct fbdriver *fb_driver; /* pointer to driver */ 81 device_t fb_device; /* parameter for fbd_unblank */ 82 83 int fb_flags; /* misc. flags */ 84 #define FB_FORCE 0x00000001 /* force device into /dev/fb */ 85 #define FB_PFOUR 0x00010000 /* indicates fb is a pfour fb */ 86 #define FB_USERMASK (FB_FORCE) /* flags that the user can set */ 87 88 volatile u_int32_t *fb_pfour; /* pointer to pfour register */ 89 }; 90 91 void fb_attach(struct fbdevice *, int); 92 void fb_setsize_obp(struct fbdevice *, int, int, int, int); 93 void fb_setsize_eeprom(struct fbdevice *, int, int, int); 94 void fb_setsize_pfour(struct fbdevice *); 95 int fb_is_console(int); 96 #ifdef RASTERCONSOLE 97 void fbrcons_init(struct fbdevice *); 98 int fbrcons_rows(void); 99 int fbrcons_cols(void); 100 #endif 101 102 int fb_pfour_id(volatile void *); 103 int fb_pfour_get_video(struct fbdevice *); 104 void fb_pfour_set_video(struct fbdevice *, int); 105