1/*-
2 * Copyright (c) 1995-1998 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
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.
16 *
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.
27 *
| 1/*-
2 * Copyright (c) 1995-1998 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
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.
16 *
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.
27 *
|
28 * $FreeBSD: head/sys/dev/syscons/snake/snake_saver.c 50477 1999-08-28 01:08:13Z peter $
| 28 * $FreeBSD: head/sys/dev/syscons/snake/snake_saver.c 56043 2000-01-15 15:25:43Z yokota $
|
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/module.h>
34#include <sys/malloc.h>
35#include <sys/kernel.h>
36#include <sys/sysctl.h>
37#include <sys/consio.h>
38#include <sys/fbio.h>
39
40#include <machine/pc/display.h>
41
42#include <dev/fb/fbreg.h>
43#include <dev/fb/splashreg.h>
44#include <dev/syscons/syscons.h>
45
46static char *message;
47static int *messagep;
48static int messagelen;
49static int blanked;
50
51static int
52snake_saver(video_adapter_t *adp, int blank)
53{
54 static int dirx, diry;
55 int f;
56 sc_softc_t *sc;
57 scr_stat *scp;
58
59/* XXX hack for minimal changes. */
60#define save message
61#define savs messagep
62
63 sc = sc_find_softc(adp, NULL);
64 if (sc == NULL)
65 return EAGAIN;
66 scp = sc->cur_scp;
67
68 if (blank) {
69 if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
70 return EAGAIN;
71 if (blanked <= 0) {
72#ifdef PC98
73 if (epson_machine_id == 0x20) {
74 outb(0x43f, 0x42);
75 outb(0x0c17, inb(0xc17) & ~0x08);
76 outb(0x43f, 0x40);
77 }
78#endif /* PC98 */
79 sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
80 (FG_LIGHTGREY | BG_BLACK) << 8);
81 (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
| 29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/module.h>
34#include <sys/malloc.h>
35#include <sys/kernel.h>
36#include <sys/sysctl.h>
37#include <sys/consio.h>
38#include <sys/fbio.h>
39
40#include <machine/pc/display.h>
41
42#include <dev/fb/fbreg.h>
43#include <dev/fb/splashreg.h>
44#include <dev/syscons/syscons.h>
45
46static char *message;
47static int *messagep;
48static int messagelen;
49static int blanked;
50
51static int
52snake_saver(video_adapter_t *adp, int blank)
53{
54 static int dirx, diry;
55 int f;
56 sc_softc_t *sc;
57 scr_stat *scp;
58
59/* XXX hack for minimal changes. */
60#define save message
61#define savs messagep
62
63 sc = sc_find_softc(adp, NULL);
64 if (sc == NULL)
65 return EAGAIN;
66 scp = sc->cur_scp;
67
68 if (blank) {
69 if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
70 return EAGAIN;
71 if (blanked <= 0) {
72#ifdef PC98
73 if (epson_machine_id == 0x20) {
74 outb(0x43f, 0x42);
75 outb(0x0c17, inb(0xc17) & ~0x08);
76 outb(0x43f, 0x40);
77 }
78#endif /* PC98 */
79 sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
80 (FG_LIGHTGREY | BG_BLACK) << 8);
81 (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
|
82 set_border(scp, 0);
| 82 sc_set_border(scp, 0);
|
83 dirx = (scp->xpos ? 1 : -1);
84 diry = (scp->ypos ?
85 scp->xsize : -scp->xsize);
86 for (f=0; f< messagelen; f++)
87 savs[f] = scp->xpos + scp->ypos*scp->xsize;
88 sc_vtb_putc(&scp->scr, savs[0], sc->scr_map[*save],
89 (FG_LIGHTGREY | BG_BLACK) << 8);
90 blanked = 1;
91 }
92 if (blanked++ < 4)
93 return 0;
94 blanked = 1;
95 sc_vtb_putc(&scp->scr, savs[messagelen - 1], sc->scr_map[0x20],
96 (FG_LIGHTGREY | BG_BLACK) << 8);
97 for (f=messagelen-1; f > 0; f--)
98 savs[f] = savs[f-1];
99 f = savs[0];
100 if ((f % scp->xsize) == 0 ||
101 (f % scp->xsize) == scp->xsize - 1 ||
102 (random() % 50) == 0)
103 dirx = -dirx;
104 if ((f / scp->xsize) == 0 ||
105 (f / scp->xsize) == scp->ysize - 1 ||
106 (random() % 20) == 0)
107 diry = -diry;
108 savs[0] += dirx + diry;
109 for (f=messagelen-1; f>=0; f--)
110 sc_vtb_putc(&scp->scr, savs[f], sc->scr_map[save[f]],
111 (FG_LIGHTGREY | BG_BLACK) << 8);
112 }
113 else {
114#ifdef PC98
115 if (epson_machine_id == 0x20) {
116 outb(0x43f, 0x42);
117 outb(0x0c17, inb(0xc17) | 0x08);
118 outb(0x43f, 0x40);
119 }
120#endif /* PC98 */
121 blanked = 0;
122 }
123 return 0;
124}
125
126static int
127snake_init(video_adapter_t *adp)
128{
129 messagelen = strlen(ostype) + 1 + strlen(osrelease);
130 message = malloc(messagelen + 1, M_DEVBUF, M_WAITOK);
131 sprintf(message, "%s %s", ostype, osrelease);
132 messagep = malloc(messagelen * sizeof *messagep, M_DEVBUF, M_WAITOK);
133 return 0;
134}
135
136static int
137snake_term(video_adapter_t *adp)
138{
139 free(message, M_DEVBUF);
140 free(messagep, M_DEVBUF);
141 return 0;
142}
143
144static scrn_saver_t snake_module = {
145 "snake_saver", snake_init, snake_term, snake_saver, NULL,
146};
147
148SAVER_MODULE(snake_saver, snake_module);
| 83 dirx = (scp->xpos ? 1 : -1);
84 diry = (scp->ypos ?
85 scp->xsize : -scp->xsize);
86 for (f=0; f< messagelen; f++)
87 savs[f] = scp->xpos + scp->ypos*scp->xsize;
88 sc_vtb_putc(&scp->scr, savs[0], sc->scr_map[*save],
89 (FG_LIGHTGREY | BG_BLACK) << 8);
90 blanked = 1;
91 }
92 if (blanked++ < 4)
93 return 0;
94 blanked = 1;
95 sc_vtb_putc(&scp->scr, savs[messagelen - 1], sc->scr_map[0x20],
96 (FG_LIGHTGREY | BG_BLACK) << 8);
97 for (f=messagelen-1; f > 0; f--)
98 savs[f] = savs[f-1];
99 f = savs[0];
100 if ((f % scp->xsize) == 0 ||
101 (f % scp->xsize) == scp->xsize - 1 ||
102 (random() % 50) == 0)
103 dirx = -dirx;
104 if ((f / scp->xsize) == 0 ||
105 (f / scp->xsize) == scp->ysize - 1 ||
106 (random() % 20) == 0)
107 diry = -diry;
108 savs[0] += dirx + diry;
109 for (f=messagelen-1; f>=0; f--)
110 sc_vtb_putc(&scp->scr, savs[f], sc->scr_map[save[f]],
111 (FG_LIGHTGREY | BG_BLACK) << 8);
112 }
113 else {
114#ifdef PC98
115 if (epson_machine_id == 0x20) {
116 outb(0x43f, 0x42);
117 outb(0x0c17, inb(0xc17) | 0x08);
118 outb(0x43f, 0x40);
119 }
120#endif /* PC98 */
121 blanked = 0;
122 }
123 return 0;
124}
125
126static int
127snake_init(video_adapter_t *adp)
128{
129 messagelen = strlen(ostype) + 1 + strlen(osrelease);
130 message = malloc(messagelen + 1, M_DEVBUF, M_WAITOK);
131 sprintf(message, "%s %s", ostype, osrelease);
132 messagep = malloc(messagelen * sizeof *messagep, M_DEVBUF, M_WAITOK);
133 return 0;
134}
135
136static int
137snake_term(video_adapter_t *adp)
138{
139 free(message, M_DEVBUF);
140 free(messagep, M_DEVBUF);
141 return 0;
142}
143
144static scrn_saver_t snake_module = {
145 "snake_saver", snake_init, snake_term, snake_saver, NULL,
146};
147
148SAVER_MODULE(snake_saver, snake_module);
|