splashreg.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    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  * $FreeBSD$
   29  */
   30 
   31 #ifndef _DEV_FB_SPLASHREG_H_
   32 #define _DEV_FB_SPLASHREG_H_
   33 
   34 #define SPLASH_IMAGE    "splash_image_data"
   35 
   36 struct video_adapter;
   37 
   38 struct image_decoder {
   39         char            *name;
   40         int             (*init)(struct video_adapter *adp);
   41         int             (*term)(struct video_adapter *adp);
   42         int             (*splash)(struct video_adapter *adp, int on);
   43         char            *data_type;
   44         void            *data;
   45         size_t          data_size;
   46 };
   47 
   48 typedef struct image_decoder    splash_decoder_t;
   49 typedef struct image_decoder    scrn_saver_t;
   50 
   51 #define SPLASH_DECODER(name, sw)                                \
   52         static int name##_modevent(module_t mod, int type, void *data) \
   53         {                                                       \
   54                 switch ((modeventtype_t)type) {                 \
   55                 case MOD_LOAD:                                  \
   56                         return splash_register(&sw);            \
   57                 case MOD_UNLOAD:                                \
   58                         return splash_unregister(&sw);          \
   59                 default:                                        \
   60                         return EOPNOTSUPP;                      \
   61                         break;                                  \
   62                 }                                               \
   63                 return 0;                                       \
   64         }                                                       \
   65         static moduledata_t name##_mod = {                      \
   66                 #name,                                          \
   67                 name##_modevent,                                \
   68                 NULL                                            \
   69         };                                                      \
   70         DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY); \
   71         MODULE_DEPEND(name, splash, 1, 1, 1)
   72 
   73 #define SAVER_MODULE(name, sw)                                  \
   74         static int name##_modevent(module_t mod, int type, void *data) \
   75         {                                                       \
   76                 switch ((modeventtype_t)type) {                 \
   77                 case MOD_LOAD:                                  \
   78                         return splash_register(&sw);            \
   79                 case MOD_UNLOAD:                                \
   80                         return splash_unregister(&sw);          \
   81                 default:                                        \
   82                         return EOPNOTSUPP;                      \
   83                         break;                                  \
   84                 }                                               \
   85                 return 0;                                       \
   86         }                                                       \
   87         static moduledata_t name##_mod = {                      \
   88                 #name,                                          \
   89                 name##_modevent,                                \
   90                 NULL                                            \
   91         };                                                      \
   92         DECLARE_MODULE(name, name##_mod, SI_SUB_PSEUDO, SI_ORDER_MIDDLE); \
   93         MODULE_DEPEND(name, splash, 1, 1, 1)
   94 
   95 /* entry point for the splash image decoder */
   96 int     splash_register(splash_decoder_t *decoder);
   97 int     splash_unregister(splash_decoder_t *decoder);
   98 
   99 /* entry points for the console driver */
  100 int     splash_init(video_adapter_t *adp, int (*callback)(int, void *),
  101                     void *arg);
  102 int     splash_term(video_adapter_t *adp);
  103 int     splash(video_adapter_t *adp, int on);
  104 
  105 /* event types for the callback function */
  106 #define SPLASH_INIT     0
  107 #define SPLASH_TERM     1
  108 
  109 #endif /* _DEV_FB_SPLASHREG_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/fb/splashreg.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/splashreg.h