diff options
Diffstat (limited to 'lkm/syscons/fade')
-rw-r--r-- | lkm/syscons/fade/Makefile | 10 | ||||
-rw-r--r-- | lkm/syscons/fade/fade_saver.c | 96 |
2 files changed, 106 insertions, 0 deletions
diff --git a/lkm/syscons/fade/Makefile b/lkm/syscons/fade/Makefile new file mode 100644 index 0000000..610a195 --- /dev/null +++ b/lkm/syscons/fade/Makefile @@ -0,0 +1,10 @@ +# $Id$ + +BINDIR= ${DESTDIR}/lkm +KMOD= fade_saver_mod +SRCS= fade_saver.c + +NOMAN= +CFLAGS+= -DLKM -I${.CURDIR}/.. -I${.CURDIR}/../../../sys + +.include <bsd.kmod.mk> diff --git a/lkm/syscons/fade/fade_saver.c b/lkm/syscons/fade/fade_saver.c new file mode 100644 index 0000000..a58eaa0 --- /dev/null +++ b/lkm/syscons/fade/fade_saver.c @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 1995 Søren Schmidt + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id$ + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/exec.h> +#include <sys/sysent.h> +#include <sys/lkm.h> +#include <sys/errno.h> +#include <saver.h> + +MOD_MISC("fade_saver") + +void (*current_saver)(); +void (*old_saver)(); + +static void +fade_saver(int blank) +{ + static int count = 0; + int i; + + if (blank) { + scrn_blanked = 1; + if (count < 64) { + outb(PIXMASK, 0xFF); /* no pixelmask */ + outb(PALWADR, 0x00); + outb(PALDATA, 0); + outb(PALDATA, 0); + outb(PALDATA, 0); + for (i = 3; i < 768; i++) { + if (palette[i] - count > 15) + outb(PALDATA, palette[i]-count); + else + outb(PALDATA, 15); + } + inb(crtc_addr+6); /* reset flip/flop */ + outb(ATC, 0x20); /* enable palette */ + count++; + } + } + else { + load_palette(); + count = scrn_blanked = 0; + } +} + +saver_load(struct lkm_table *lkmtp, int cmd) +{ + (*current_saver)(0); + old_saver = current_saver; + current_saver = fade_saver; + uprintf("fade screen saver installed\n"); + return 0; +} + +saver_unload(struct lkm_table *lkmtp, int cmd) +{ + (*current_saver)(0); + current_saver = old_saver; + uprintf("fade screen saver removed\n"); + return 0; +} + +saver_init(struct lkm_table *lkmtp, int cmd, int ver) +{ + DISPATCH(lkmtp, cmd, ver, saver_load, saver_unload, nosys); +} |