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

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30
31#if NSPLASH > 0
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/malloc.h>
37#include <sys/linker.h>
38
39#include <machine/console.h>
40
41#include <dev/fb/fbreg.h>
42#include <dev/fb/splashreg.h>
43
44/* video adapter and image decoder */
45static video_adapter_t *splash_adp;
46static splash_decoder_t *splash_decoder;
47
48/* decoder candidates */
49static int decoders;
50static splash_decoder_t **decoder_set;
51#define DECODER_ARRAY_DELTA 4
52
53/* console driver callback */
54static int (*splash_callback)(int);
55
56static int
57splash_find_data(splash_decoder_t *decoder)
58{
59 caddr_t image_module;
60 caddr_t p;
61
62 if (decoder->data_type == NULL)

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93 return 0;
94}
95
96static void
97splash_new(splash_decoder_t *decoder)
98{
99 splash_decoder = decoder;
100 if (splash_callback != NULL)
101 (*splash_callback)(SPLASH_INIT);
102}
103
104int
105splash_register(splash_decoder_t *decoder)
106{
107 splash_decoder_t **p;
108 int error;
109 int i;

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154 if (splash_decoder == decoder) {
155 if ((error = splash_term(splash_adp)) != 0)
156 return error;
157 }
158 return 0;
159}
160
161int
162splash_init(video_adapter_t *adp, int (*callback)(int))
163{
164 int i;
165
166 splash_adp = adp;
167 splash_callback = callback;
168
169 splash_decoder = NULL;
170 for (i = 0; i < decoders; ++i) {
171 if (decoder_set[i] == NULL)
172 continue;
173 if (splash_test(decoder_set[i]) == 0) {
174 splash_new(decoder_set[i]);
175 break;

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182 return 0;
183}
184
185int
186splash_term(video_adapter_t *adp)
187{
188 int error = 0;
189
190 if (splash_decoder != NULL) {
191 if (splash_callback != NULL)
192 error = (*splash_callback)(SPLASH_TERM);
193 if (error == 0)
194 error = (*splash_decoder->term)(adp);
195 if (error == 0)
196 splash_decoder = NULL;
197 }
198 return error;
199}
200
201int
202splash(video_adapter_t *adp, int on)
203{
204 if (splash_decoder != NULL)
205 return (*splash_decoder->splash)(adp, on);
206 return ENODEV;
207}
208
209#endif /* NSPLASH > 0 */