2 * Copyright (c) 1998 Dag-Erling Coïdan Smørgrav
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
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
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.
28 * $FreeBSD: src/sys/modules/syscons/logo/logo_saver.c,v 1.8 1999/08/28 00:47:51 peter Exp $
29 * $DragonFly: src/sys/dev/misc/syscons/logo/logo_saver.c,v 1.2 2003/06/17 04:28:47 dillon Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/syslog.h>
37 #include <sys/consio.h>
40 #include <dev/fb/fbreg.h>
41 #include <dev/fb/splashreg.h>
42 #include <dev/syscons/syscons.h>
45 static int banksize, scrmode, bpsl, scrw, scrh;
51 logo_blit(video_adapter_t *adp, int x, int y)
55 for (o = 0, p = y * bpsl + x; p > banksize; p -= banksize)
59 for (d = 0; d < sizeof logo_img; d += logo_w) {
60 if (p + logo_w < banksize) {
61 bcopy(logo_img + d, vid + p, logo_w);
63 } else if (p < banksize) {
65 bcopy(logo_img + d, vid + p, l);
66 set_origin(adp, (o += banksize));
67 bcopy(logo_img + d + l, vid, logo_w - l);
71 set_origin(adp, (o += banksize));
72 bcopy(logo_img + d, vid + p, logo_w);
79 logo_update(video_adapter_t *adp)
81 static int xpos = 0, ypos = 0;
82 static int xinc = 1, yinc = 1;
84 /* Turn when you hit the edge */
85 if ((xpos + logo_w + xinc > scrw) || (xpos + xinc < 0))
87 if ((ypos + logo_h + yinc > scrh) || (ypos + yinc < 0))
92 /* XXX Relies on margin around logo to erase trail */
93 logo_blit(adp, xpos, ypos);
97 logo_saver(video_adapter_t *adp, int blank)
102 /* switch to graphics mode */
105 set_video_mode(adp, scrmode);
106 load_palette(adp, logo_pal);
107 #if 0 /* XXX conflict */
111 vid = (u_char *)adp->va_window;
112 banksize = adp->va_window_size;
113 bpsl = adp->va_line_width;
115 for (i = 0; i < bpsl*scrh; i += banksize) {
117 bzero(vid, banksize);
128 logo_init(video_adapter_t *adp)
132 if (!get_mode_info(adp, M_VESA_CG800x600, &info)) {
133 scrmode = M_VESA_CG800x600;
134 } else if (!get_mode_info(adp, M_VGA_CG320, &info)) {
135 scrmode = M_VGA_CG320;
137 log(LOG_NOTICE, "logo_saver: no suitable graphics mode\n");
141 scrw = info.vi_width;
142 scrh = info.vi_height;
149 logo_term(video_adapter_t *adp)
154 static scrn_saver_t logo_module = {
155 "logo_saver", logo_init, logo_term, logo_saver, NULL,
158 SAVER_MODULE(logo_saver, logo_module);