1/*- 2 * Copyright (c) 1995-1998 S��ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: releng/10.3/sys/dev/syscons/blank/blank_saver.c 230132 2012-01-15 13:23:18Z uqs $ 29 */ 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/module.h> 35#include <sys/consio.h> 36#include <sys/fbio.h> 37 38#include <dev/fb/fbreg.h> 39#include <dev/fb/splashreg.h> 40#include <dev/syscons/syscons.h> 41 42static int 43blank_saver(video_adapter_t *adp, int blank) 44{ 45 vidd_blank_display(adp, (blank) ? V_DISPLAY_BLANK : V_DISPLAY_ON); 46 return 0; 47} 48 49static int 50blank_init(video_adapter_t *adp) 51{ 52 if (vidd_blank_display(adp, V_DISPLAY_ON) == 0) 53 return 0; 54 return ENODEV; 55} 56 57static int 58blank_term(video_adapter_t *adp) 59{ 60 return 0; 61} 62 63static scrn_saver_t blank_module = { 64 "blank_saver", blank_init, blank_term, blank_saver, NULL, 65}; 66 67SAVER_MODULE(blank_saver, blank_module); 68