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fade_saver.c (42504) fade_saver.c (48104)
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

--- 11 unchanged lines hidden (view full) ---

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

--- 11 unchanged lines hidden (view full) ---

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 * $Id: fade_saver.c,v 1.15 1998/11/04 03:49:38 peter Exp $
28 * $Id: fade_saver.c,v 1.16 1999/01/11 03:18:46 yokota Exp $
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/kernel.h>
34#include <sys/module.h>
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/kernel.h>
34#include <sys/module.h>
35#include <sys/consio.h>
36#include <sys/fbio.h>
35
37
36#include <i386/isa/isa.h>
38#include <dev/fb/fbreg.h>
39#include <dev/fb/splashreg.h>
40#include <dev/syscons/syscons.h>
37
41
38#include <saver.h>
39
40static u_char palette[256*3];
41static int blanked;
42
43static int
44fade_saver(video_adapter_t *adp, int blank)
45{
46 static int count = 0;
47 u_char pal[256*3];
48 int i;
49
50 if (blank) {
51 blanked = TRUE;
42static u_char palette[256*3];
43static int blanked;
44
45static int
46fade_saver(video_adapter_t *adp, int blank)
47{
48 static int count = 0;
49 u_char pal[256*3];
50 int i;
51
52 if (blank) {
53 blanked = TRUE;
52 switch (adp->va_type) {
53 case KD_VGA:
54 if (ISPALAVAIL(adp->va_flags)) {
54 if (count <= 0)
55 save_palette(adp, palette);
55 if (count <= 0)
56 save_palette(adp, palette);
56 if (count < 64) {
57 if (count < 256) {
57 pal[0] = pal[1] = pal[2] = 0;
58 for (i = 3; i < 256*3; i++) {
59 if (palette[i] - count > 60)
60 pal[i] = palette[i] - count;
61 else
62 pal[i] = 60;
63 }
64 load_palette(adp, pal);
65 count++;
66 }
58 pal[0] = pal[1] = pal[2] = 0;
59 for (i = 3; i < 256*3; i++) {
60 if (palette[i] - count > 60)
61 pal[i] = palette[i] - count;
62 else
63 pal[i] = 60;
64 }
65 load_palette(adp, pal);
66 count++;
67 }
67 break;
68 case KD_EGA:
69 /* not yet done XXX */
70 break;
71 case KD_CGA:
72 outb(adp->va_crtc_addr + 4, 0x25);
73 break;
74 case KD_MONO:
75 case KD_HERCULES:
76 outb(adp->va_crtc_addr + 4, 0x21);
77 break;
78 default:
79 break;
68 } else {
69 (*vidsw[adp->va_index]->blank_display)(adp,
70 V_DISPLAY_BLANK);
80 }
71 }
81 }
82 else {
83 switch (adp->va_type) {
84 case KD_VGA:
72 } else {
73 if (ISPALAVAIL(adp->va_flags)) {
85 load_palette(adp, palette);
86 count = 0;
74 load_palette(adp, palette);
75 count = 0;
87 break;
88 case KD_EGA:
89 /* not yet done XXX */
90 break;
91 case KD_CGA:
92 outb(adp->va_crtc_addr + 4, 0x2d);
93 break;
94 case KD_MONO:
95 case KD_HERCULES:
96 outb(adp->va_crtc_addr + 4, 0x29);
97 break;
98 default:
99 break;
76 } else {
77 (*vidsw[adp->va_index]->blank_display)(adp,
78 V_DISPLAY_ON);
100 }
101 blanked = FALSE;
102 }
103 return 0;
104}
105
106static int
107fade_init(video_adapter_t *adp)
108{
79 }
80 blanked = FALSE;
81 }
82 return 0;
83}
84
85static int
86fade_init(video_adapter_t *adp)
87{
109 switch (adp->va_type) {
110 case KD_MONO:
111 case KD_HERCULES:
112 case KD_CGA:
113 /*
114 * `fade' saver is not fully implemented for MDA and CGA.
115 * It simply blanks the display instead.
116 */
117 case KD_VGA:
118 break;
119 case KD_EGA:
120 /* EGA is yet to be supported */
121 default:
88 if (!ISPALAVAIL(adp->va_flags)
89 && (*vidsw[adp->va_index]->blank_display)(adp, V_DISPLAY_ON) != 0)
122 return ENODEV;
90 return ENODEV;
123 }
124 blanked = FALSE;
125 return 0;
126}
127
128static int
129fade_term(video_adapter_t *adp)
130{
131 return 0;
132}
133
134static scrn_saver_t fade_module = {
135 "fade_saver", fade_init, fade_term, fade_saver, NULL,
136};
137
138SAVER_MODULE(fade_saver, fade_module);
91 blanked = FALSE;
92 return 0;
93}
94
95static int
96fade_term(video_adapter_t *adp)
97{
98 return 0;
99}
100
101static scrn_saver_t fade_module = {
102 "fade_saver", fade_init, fade_term, fade_saver, NULL,
103};
104
105SAVER_MODULE(fade_saver, fade_module);