xref: /freebsd/sys/dev/fb/splashreg.h (revision 61e21613)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer as
12  *    the first lines of this file unmodified.
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  *
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 
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_ */
108