FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/splashreg.h
1 /*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 as
10 * the first lines of this file unmodified.
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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef _DEV_FB_SPLASHREG_H_
30 #define _DEV_FB_SPLASHREG_H_
31
32 #define SPLASH_IMAGE "splash_image_data"
33
34 struct video_adapter;
35
36 struct image_decoder {
37 char *name;
38 int (*init)(struct video_adapter *adp);
39 int (*term)(struct video_adapter *adp);
40 int (*splash)(struct video_adapter *adp, int on);
41 char *data_type;
42 void *data;
43 size_t data_size;
44 };
45
46 typedef struct image_decoder splash_decoder_t;
47 typedef struct image_decoder scrn_saver_t;
48
49 #define SPLASH_DECODER(name, sw) \
50 static int name##_modevent(module_t mod, int type, void *data) \
51 { \
52 switch ((modeventtype_t)type) { \
53 case MOD_LOAD: \
54 return splash_register(&sw); \
55 case MOD_UNLOAD: \
56 return splash_unregister(&sw); \
57 default: \
58 return EOPNOTSUPP; \
59 break; \
60 } \
61 return 0; \
62 } \
63 static moduledata_t name##_mod = { \
64 #name, \
65 name##_modevent, \
66 NULL \
67 }; \
68 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY); \
69 MODULE_DEPEND(name, splash, 1, 1, 1)
70
71 #define SAVER_MODULE(name, sw) \
72 static int name##_modevent(module_t mod, int type, void *data) \
73 { \
74 switch ((modeventtype_t)type) { \
75 case MOD_LOAD: \
76 return splash_register(&sw); \
77 case MOD_UNLOAD: \
78 return splash_unregister(&sw); \
79 default: \
80 return EOPNOTSUPP; \
81 break; \
82 } \
83 return 0; \
84 } \
85 static moduledata_t name##_mod = { \
86 #name, \
87 name##_modevent, \
88 NULL \
89 }; \
90 DECLARE_MODULE(name, name##_mod, SI_SUB_PSEUDO, SI_ORDER_MIDDLE); \
91 MODULE_DEPEND(name, splash, 1, 1, 1)
92
93 /* entry point for the splash image decoder */
94 int splash_register(splash_decoder_t *decoder);
95 int splash_unregister(splash_decoder_t *decoder);
96
97 /* entry points for the console driver */
98 int splash_init(video_adapter_t *adp, int (*callback)(int, void *),
99 void *arg);
100 int splash_term(video_adapter_t *adp);
101 int splash(video_adapter_t *adp, int on);
102
103 /* event types for the callback function */
104 #define SPLASH_INIT 0
105 #define SPLASH_TERM 1
106
107 #endif /* _DEV_FB_SPLASHREG_H_ */
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