2 * Copyright (c) 1997 Sandro Sigala, Brescia, Italy.
3 * Copyright (c) 1997 Chris Shenton
4 * Copyright (c) 1995 S ren Schmidt
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.
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/daemon/daemon_saver.c,v 1.18.2.2 2001/05/06 05:44:29 nyan Exp $
29 * $DragonFly: src/sys/dev/misc/syscons/fred/fred_saver.c,v 1.6 2006/09/05 00:55:38 dillon Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/module.h>
35 #include <sys/malloc.h>
36 #include <sys/kernel.h>
37 #include <sys/sysctl.h>
38 #include <sys/consio.h>
41 #include <machine/pc/display.h>
43 #include <dev/video/fb/fbreg.h>
44 #include <dev/video/fb/splashreg.h>
45 #include "../syscons.h"
47 #define DAEMON_MAX_WIDTH 32
48 #define DAEMON_MAX_HEIGHT 19
50 static u_char *message;
51 static int messagelen;
54 /* Who is the author of this ASCII pic? */
56 static u_char *daemon_pic[] = {
69 "<----|====O)))==) \\) /====",
70 "<----' `--' `.__,' \\",
73 " ______( (_ / \\______/",
79 static u_char *daemon_attr[] = {
92 "YYYYYYYYYYRRRRYYR RR RYYYY",
93 "YYYYYY RRRR RRRRRR R",
96 " CCCCCCR RR R RRRRRRRR",
103 * Reverse a graphics character, or return unaltered if no mirror;
104 * should do alphanumerics too, but I'm too lazy. <cshenton@it.hq.nasa.gov>
108 xflip_symbol(u_char symbol)
110 static const u_char lchars[] = "`'(){}[]\\/<>";
111 static const u_char rchars[] = "'`)(}{][/\\><";
114 for (pos = 0; lchars[pos] != '\0'; pos++)
115 if (lchars[pos] == symbol)
122 clear_daemon(sc_softc_t *sc, int xpos, int ypos, int dxdir, int xoff, int yoff,
129 for (y = yoff; y < ylen; y++) {
130 sc_vtb_erase(&sc->cur_scp->scr,
131 (ypos + y)*sc->cur_scp->xsize + xpos + xoff,
133 sc->scr_map[0x20], (FG_LIGHTGREY | BG_BLACK) << 8);
138 draw_daemon(sc_softc_t *sc, int xpos, int ypos, int dxdir, int xoff, int yoff,
145 for (y = yoff; y < ylen; y++) {
149 px = DAEMON_MAX_WIDTH - xlen;
150 if (px >= strlen(daemon_pic[y]))
152 for (x = xoff; (x < xlen) && (daemon_pic[y][px] != '\0'); x++, px++) {
153 switch (daemon_attr[y][px]) {
154 case 'R': attr = (FG_LIGHTRED|BG_BLACK)<<8; break;
155 case 'Y': attr = (FG_YELLOW|BG_BLACK)<<8; break;
156 case 'B': attr = (FG_LIGHTBLUE|BG_BLACK)<<8; break;
157 case 'W': attr = (FG_LIGHTGREY|BG_BLACK)<<8; break;
158 case 'C': attr = (FG_CYAN|BG_BLACK)<<8; break;
159 default: attr = (FG_WHITE|BG_BLACK)<<8; break;
161 if (dxdir < 0) { /* Moving left */
162 sc_vtb_putc(&sc->cur_scp->scr,
163 (ypos + y)*sc->cur_scp->xsize
165 sc->scr_map[daemon_pic[y][px]],
167 } else { /* Moving right */
168 sc_vtb_putc(&sc->cur_scp->scr,
169 (ypos + y)*sc->cur_scp->xsize
170 + xpos + DAEMON_MAX_WIDTH
172 sc->scr_map[xflip_symbol(daemon_pic[y][px])],
180 clear_string(sc_softc_t *sc, int xpos, int ypos, int xoff, char *s, int len)
184 sc_vtb_erase(&sc->cur_scp->scr,
185 ypos*sc->cur_scp->xsize + xpos + xoff, len - xoff,
186 sc->scr_map[0x20], (FG_LIGHTGREY | BG_BLACK) << 8);
190 draw_string(sc_softc_t *sc, int xpos, int ypos, int xoff, u_char *s, int len)
194 for (x = xoff; x < len; x++) {
195 sc_vtb_putc(&sc->cur_scp->scr,
196 ypos*sc->cur_scp->xsize + xpos + x,
197 sc->scr_map[s[x]], (FG_LIGHTGREEN | BG_BLACK) << 8);
202 daemon_saver(video_adapter_t *adp, int blank)
204 static int txpos = 10, typos = 10;
205 static int txdir = -1, tydir = -1;
206 static int dxpos = 0, dypos = 0;
207 static int dxdir = 1, dydir = 1;
208 static int moved_daemon = 0;
209 static int xoff, yoff, toff;
210 static int xlen, ylen, tlen;
215 sc = sc_find_softc(adp, NULL);
221 if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
224 /* clear the screen and set the border color */
225 sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
226 (FG_LIGHTGREY | BG_BLACK) << 8);
227 (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
228 sc_set_border(scp, 0);
229 xlen = ylen = tlen = 0;
235 clear_daemon(sc, dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
236 clear_string(sc, txpos, typos, toff, message, tlen);
238 if (++moved_daemon) {
240 * The daemon picture may be off the screen, if
241 * screen size is chagened while the screen
242 * saver is inactive. Make sure the origin of
243 * the picture is between min and max.
245 if (scp->xsize <= DAEMON_MAX_WIDTH) {
247 * If the screen width is too narrow, we
248 * allow part of the picture go off
249 * the screen so that the daemon won't
252 min = scp->xsize - DAEMON_MAX_WIDTH - 10;
256 max = scp->xsize - DAEMON_MAX_WIDTH;
261 } else if (dxpos >= max) {
266 if (scp->ysize <= DAEMON_MAX_HEIGHT) {
267 min = scp->ysize - DAEMON_MAX_HEIGHT - 10;
271 max = scp->ysize - DAEMON_MAX_HEIGHT;
276 } else if (dypos >= max) {
282 dxpos += dxdir; dypos += dydir;
284 /* clip the picture */
286 xlen = DAEMON_MAX_WIDTH;
287 if (dxpos + xlen <= 0)
291 if (dxpos >= scp->xsize)
293 else if (dxpos + xlen > scp->xsize)
294 xlen = scp->xsize - dxpos;
296 ylen = DAEMON_MAX_HEIGHT;
297 if (dypos + ylen <= 0)
301 if (dypos >= scp->ysize)
303 else if (dypos + ylen > scp->ysize)
304 ylen = scp->ysize - dypos;
307 if (scp->xsize <= messagelen) {
308 min = scp->xsize - messagelen - 10;
312 max = scp->xsize - messagelen;
317 } else if (txpos >= max) {
324 } else if (typos >= scp->ysize - 1) {
325 typos = scp->ysize - 1;
328 txpos += txdir; typos += tydir;
332 if (txpos + tlen <= 0)
336 if (txpos >= scp->xsize)
338 else if (txpos + tlen > scp->xsize)
339 tlen = scp->xsize - txpos;
341 draw_daemon(sc, dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
342 draw_string(sc, txpos, typos, toff, message, tlen);
350 daemon_init(video_adapter_t *adp)
352 messagelen = strlen(hostname) + 3 + strlen(ostype) + 1 +
354 message = kmalloc(messagelen + 1, M_SYSCONS, M_WAITOK);
355 sprintf(message, "%s - %s %s", hostname, ostype, osrelease);
361 daemon_term(video_adapter_t *adp)
363 kfree(message, M_SYSCONS);
367 static scrn_saver_t daemon_module = {
368 "daemon_saver", daemon_init, daemon_term, daemon_saver, NULL,
371 SAVER_MODULE(daemon_saver, daemon_module);