2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1998 Dag-Erling Coïdan Smørgrav
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/syslog.h>
38 #include <sys/consio.h>
41 #include <dev/fb/fbreg.h>
42 #include <dev/fb/splashreg.h>
43 #include <dev/syscons/syscons.h>
45 #define SAVER_NAME "logo_saver"
47 #define SET_ORIGIN(adp, o) do { \
49 if (oo != last_origin) \
50 vidd_set_win_org(adp, last_origin = oo); \
53 extern unsigned int logo_w;
54 extern unsigned int logo_h;
55 extern unsigned char logo_pal[];
56 extern unsigned char logo_img[];
57 extern unsigned int logo_img_size;
60 static int banksize, scrmode, bpsl, scrw, scrh;
64 logo_blit(video_adapter_t *adp, int x, int y)
69 for (o = 0, p = y * bpsl + x; p > banksize; p -= banksize)
73 for (d = 0; d < logo_img_size; d += logo_w) {
74 if (p + logo_w < banksize) {
75 bcopy(logo_img + d, vid + p, logo_w);
77 } else if (p < banksize) {
79 bcopy(logo_img + d, vid + p, l);
80 SET_ORIGIN(adp, (o += banksize));
81 bcopy(logo_img + d + l, vid, logo_w - l);
85 SET_ORIGIN(adp, (o += banksize));
86 bcopy(logo_img + d, vid + p, logo_w);
93 logo_update(video_adapter_t *adp)
95 static int xpos = 0, ypos = 0;
96 static int xinc = 1, yinc = 1;
98 /* Turn when you hit the edge */
99 if ((xpos + logo_w + xinc > scrw) || (xpos + xinc < 0))
101 if ((ypos + logo_h + yinc > scrh) || (ypos + yinc < 0))
106 /* XXX Relies on margin around logo to erase trail */
107 logo_blit(adp, xpos, ypos);
111 logo_saver(video_adapter_t *adp, int blank)
116 /* switch to graphics mode */
119 vidd_set_mode(adp, scrmode);
120 vidd_load_palette(adp, logo_pal);
121 vidd_set_border(adp, 0);
123 vid = (u_char *)adp->va_window;
124 banksize = adp->va_window_size;
125 bpsl = adp->va_line_width;
137 logo_init(video_adapter_t *adp)
141 if (!vidd_get_info(adp, M_VESA_CG800x600, &info)) {
142 scrmode = M_VESA_CG800x600;
143 } else if (!vidd_get_info(adp, M_VGA_CG320, &info)) {
144 scrmode = M_VGA_CG320;
147 "%s: the console does not support M_VGA_CG320\n",
152 scrw = info.vi_width;
153 scrh = info.vi_height;
159 logo_term(video_adapter_t *adp)
164 static scrn_saver_t logo_module = {
173 SAVER_MODULE(beastie_saver, logo_module);
175 SAVER_MODULE(logo_saver, logo_module);