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 1.4 2005/06/11 00:26:48 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>
39 #include <sys/thread.h>
40 #include <sys/thread2.h>
42 #include <dev/video/fb/fbreg.h>
43 #include <dev/video/fb/splashreg.h>
44 #include "../syscons.h"
47 static int banksize, scrmode, bpsl, scrw, scrh;
53 logo_blit(video_adapter_t *adp, int x, int y)
57 for (o = 0, p = y * bpsl + x; p > banksize; p -= banksize)
61 for (d = 0; d < sizeof logo_img; d += logo_w) {
62 if (p + logo_w < banksize) {
63 bcopy(logo_img + d, vid + p, logo_w);
65 } else if (p < banksize) {
67 bcopy(logo_img + d, vid + p, l);
68 set_origin(adp, (o += banksize));
69 bcopy(logo_img + d + l, vid, logo_w - l);
73 set_origin(adp, (o += banksize));
74 bcopy(logo_img + d, vid + p, logo_w);
81 logo_update(video_adapter_t *adp)
83 static int xpos = 0, ypos = 0;
84 static int xinc = 1, yinc = 1;
86 /* Turn when you hit the edge */
87 if ((xpos + logo_w + xinc > scrw) || (xpos + xinc < 0))
89 if ((ypos + logo_h + yinc > scrh) || (ypos + yinc < 0))
94 /* XXX Relies on margin around logo to erase trail */
95 logo_blit(adp, xpos, ypos);
99 logo_saver(video_adapter_t *adp, int blank)
104 /* switch to graphics mode */
107 set_video_mode(adp, scrmode);
108 load_palette(adp, logo_pal);
109 #if 0 /* XXX conflict */
113 vid = (u_char *)adp->va_window;
114 banksize = adp->va_window_size;
115 bpsl = adp->va_line_width;
117 for (i = 0; i < bpsl*scrh; i += banksize) {
119 bzero(vid, banksize);
130 logo_init(video_adapter_t *adp)
134 if (!get_mode_info(adp, M_VESA_CG800x600, &info)) {
135 scrmode = M_VESA_CG800x600;
136 } else if (!get_mode_info(adp, M_VGA_CG320, &info)) {
137 scrmode = M_VGA_CG320;
139 log(LOG_NOTICE, "logo_saver: no suitable graphics mode\n");
143 scrw = info.vi_width;
144 scrh = info.vi_height;
151 logo_term(video_adapter_t *adp)
156 static scrn_saver_t logo_module = {
157 "logo_saver", logo_init, logo_term, logo_saver, NULL,
160 SAVER_MODULE(logo_saver, logo_module);