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Add the apm_saver syscons screen saver module.
apm_saver uses the apm_display() routine from the apm system to "suspend" the "display" part of the machine. This is beneficial for some laptops (or other machines with non-traditional displays) that choke on the 'green' saver's effect. Another way of looking at this is that it's the same as a screen saver that does an 'apm -d 0' to blank the display and an 'apm -d 1' to bring it back. One probably ought to use these commands to make sure the effect will be correct before using it unattended.
This commit is contained in:
Nick Sayer
parent
dd35cab101
commit
472a4993b0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=51851
91
sys/dev/syscons/apm/apm_saver.c
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91
sys/dev/syscons/apm/apm_saver.c
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@ -0,0 +1,91 @@
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/*-
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* Copyright (c) 1999 Nick Sayer (who stole shamelessly from blank_saver)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/consio.h>
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#include <sys/fbio.h>
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#include <dev/fb/fbreg.h>
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#include <dev/fb/splashreg.h>
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#include <dev/syscons/syscons.h>
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#include <sys/select.h>
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#include <machine/apm_bios.h>
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#include <machine/pc/bios.h>
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#include <i386/apm/apm.h>
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extern int apm_display __P((int newstate));
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extern struct apm_softc apm_softc;
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static int blanked=0;
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static int
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apm_saver(video_adapter_t *adp, int blank)
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{
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struct apm_softc *sc = &apm_softc;
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if (!sc->initialized || !sc->active)
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return 0;
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if (blank==blanked)
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return 0;
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blanked=blank;
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apm_display(!blanked);
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return 0;
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}
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static int
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apm_init(video_adapter_t *adp)
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{
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struct apm_softc *sc = &apm_softc;
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if (!sc->initialized || !sc->active)
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printf("WARNING: apm_saver module requires apm enabled\n");
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return 0;
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}
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static int
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apm_term(video_adapter_t *adp)
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{
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return 0;
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}
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static scrn_saver_t apm_module = {
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"apm_saver", apm_init, apm_term, apm_saver, NULL,
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};
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SAVER_MODULE(apm_saver, apm_module);
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@ -1,6 +1,7 @@
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# $FreeBSD$
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SUBDIR =
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SUBDIR += apm
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SUBDIR += blank
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SUBDIR += daemon
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SUBDIR += fade
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9
sys/modules/syscons/apm/Makefile
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9
sys/modules/syscons/apm/Makefile
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@ -0,0 +1,9 @@
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# $FreeBSD$
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KMOD= apm_saver
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SRCS= apm_saver.c
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NOMAN=
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CFLAGS+= -I${.CURDIR}/..
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.include <bsd.kmod.mk>
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91
sys/modules/syscons/apm/apm_saver.c
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91
sys/modules/syscons/apm/apm_saver.c
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@ -0,0 +1,91 @@
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/*-
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* Copyright (c) 1999 Nick Sayer (who stole shamelessly from blank_saver)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
|
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/consio.h>
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#include <sys/fbio.h>
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#include <dev/fb/fbreg.h>
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#include <dev/fb/splashreg.h>
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#include <dev/syscons/syscons.h>
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#include <sys/select.h>
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#include <machine/apm_bios.h>
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#include <machine/pc/bios.h>
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#include <i386/apm/apm.h>
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extern int apm_display __P((int newstate));
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extern struct apm_softc apm_softc;
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static int blanked=0;
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static int
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apm_saver(video_adapter_t *adp, int blank)
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{
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struct apm_softc *sc = &apm_softc;
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if (!sc->initialized || !sc->active)
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return 0;
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if (blank==blanked)
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return 0;
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blanked=blank;
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apm_display(!blanked);
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return 0;
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}
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static int
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apm_init(video_adapter_t *adp)
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{
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struct apm_softc *sc = &apm_softc;
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if (!sc->initialized || !sc->active)
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printf("WARNING: apm_saver module requires apm enabled\n");
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return 0;
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}
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static int
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apm_term(video_adapter_t *adp)
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{
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return 0;
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}
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static scrn_saver_t apm_module = {
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"apm_saver", apm_init, apm_term, apm_saver, NULL,
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};
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SAVER_MODULE(apm_saver, apm_module);
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