fade_saver.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1995-1998 Søren Schmidt
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer,
   12  *    without modification, immediately at the beginning of the file.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. The name of the author may not be used to endorse or promote products
   17  *    derived from this software without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   29  *
   30  * $FreeBSD$
   31  */
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/module.h>
   37 #include <sys/consio.h>
   38 #include <sys/fbio.h>
   39 
   40 #include <dev/fb/fbreg.h>
   41 #include <dev/fb/splashreg.h>
   42 #include <dev/syscons/syscons.h>
   43 
   44 static u_char palette[256*3];
   45 
   46 static int
   47 fade_saver(video_adapter_t *adp, int blank)
   48 {
   49         static int count = 0;
   50         u_char pal[256*3];
   51         int i;
   52 
   53         if (blank) {
   54                 if (ISPALAVAIL(adp->va_flags)) {
   55                         if (count <= 0)
   56                                 vidd_save_palette(adp, palette);
   57                         if (count < 256) {
   58                                 pal[0] = pal[1] = pal[2] = 0;
   59                                 for (i = 3; i < 256*3; i++) {
   60                                         if (palette[i] - count > 60)
   61                                                 pal[i] = palette[i] - count;
   62                                         else
   63                                                 pal[i] = 60;
   64                                 }
   65                                 vidd_load_palette(adp, pal);
   66                                 count++;
   67                         }
   68                 } else {
   69                         vidd_blank_display(adp, V_DISPLAY_BLANK);
   70                 }
   71         } else {
   72                 if (ISPALAVAIL(adp->va_flags)) {
   73                         vidd_load_palette(adp, palette);
   74                         count = 0;
   75                 } else {
   76                         vidd_blank_display(adp, V_DISPLAY_ON);
   77                 }
   78         }
   79         return 0;
   80 }
   81 
   82 static int
   83 fade_init(video_adapter_t *adp)
   84 {
   85         if (!ISPALAVAIL(adp->va_flags) &&
   86             vidd_blank_display(adp, V_DISPLAY_ON) != 0)
   87                 return ENODEV;
   88         return 0;
   89 }
   90 
   91 static int
   92 fade_term(video_adapter_t *adp)
   93 {
   94         return 0;
   95 }
   96 
   97 static scrn_saver_t fade_module = {
   98         "fade_saver", fade_init, fade_term, fade_saver, NULL,
   99 };
  100 
  101 SAVER_MODULE(fade_saver, fade_module);

Cache object: 45c0180f8809df54e6ba4255f0ad83b5

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/dev/syscons/fade/fade_saver.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/syscons/fade/fade_saver.c