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Kazutaka YOKOTA
parent
7385073d2a
commit
559e7c1b0c
@ -1,5 +1,29 @@
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/*-
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* $Id:$
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* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: splash.c,v 1.1 1999/01/09 02:44:49 yokota Exp $
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*/
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#include "splash.h"
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@ -26,90 +50,98 @@ static int decoders;
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static splash_decoder_t **decoder_set;
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#define DECODER_ARRAY_DELTA 4
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/* splash image data file */
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static void *splash_image_data;
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static size_t splash_image_size;
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/* console driver callback */
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static int (*splash_callback)(int);
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static int
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splash_find_image(void)
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splash_find_data(splash_decoder_t *decoder)
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{
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caddr_t image_module;
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caddr_t p;
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if (splash_image_data == NULL) {
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image_module = preload_search_by_type(SPLASH_IMAGE);
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if (image_module == NULL)
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return ENOENT;
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p = preload_search_info(image_module, MODINFO_ADDR);
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if (p == NULL)
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return ENOENT;
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splash_image_data = *(void **)p;
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p = preload_search_info(image_module, MODINFO_SIZE);
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if (p == NULL)
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return ENOENT;
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splash_image_size = *(size_t *)p;
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}
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if (decoder->data_type == NULL)
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return 0;
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image_module = preload_search_by_type(decoder->data_type);
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if (image_module == NULL)
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return ENOENT;
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p = preload_search_info(image_module, MODINFO_ADDR);
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if (p == NULL)
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return ENOENT;
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decoder->data = *(void **)p;
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p = preload_search_info(image_module, MODINFO_SIZE);
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if (p == NULL)
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return ENOENT;
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decoder->data_size = *(size_t *)p;
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if (bootverbose)
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printf("splash: image@%p, size:%u\n",
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decoder->data, decoder->data_size);
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return 0;
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}
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static int
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splash_test(splash_decoder_t *decoder)
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{
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if ((*decoder->init)(splash_adp, splash_image_data, splash_image_size))
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if (splash_find_data(decoder))
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return ENOENT; /* XXX */
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if ((*decoder->init)(splash_adp)) {
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decoder->data = NULL;
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decoder->data_size = 0;
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return ENODEV; /* XXX */
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}
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if (bootverbose)
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printf("splash: image decoder found: %s\n", decoder->name);
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return 0;
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}
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static void
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splash_new(splash_decoder_t *decoder)
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{
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splash_decoder = decoder;
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if (splash_callback != NULL)
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(*splash_callback)(SPLASH_INIT);
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return 0;
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}
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int
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splash_register(splash_decoder_t *decoder)
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{
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splash_decoder_t **p;
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int error;
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int i;
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/* only one decoder can be active */
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if (splash_decoder != NULL)
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return ENODEV; /* XXX */
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/* if the splash image is not in memory, abort */
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splash_find_image();
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if (bootverbose)
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printf("splash: image@%p, size:%u\n",
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splash_image_data, splash_image_size);
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if (splash_image_data == NULL)
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return ENOENT;
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/*
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* If the video card has aleady been initialized, test this
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* decoder immediately.
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*/
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if (splash_adp != NULL)
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return splash_test(decoder);
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/* register the decoder for later use */
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for (i = 0; i < decoders; ++i) {
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if (decoder_set[i] == NULL)
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break;
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if (splash_adp != NULL) {
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/*
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* If the video card has aleady been initialized, test
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* this decoder immediately.
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*/
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error = splash_test(decoder);
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if (error == 0) {
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/* replace the current decoder with new one */
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if (splash_decoder != NULL)
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error = splash_term(splash_adp);
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if (error == 0)
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splash_new(decoder);
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}
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return error;
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} else {
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/* register the decoder for later use */
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for (i = 0; i < decoders; ++i) {
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if (decoder_set[i] == NULL)
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break;
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}
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if ((i >= decoders) && (decoders % DECODER_ARRAY_DELTA) == 0) {
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p = malloc(sizeof(*p)*(decoders + DECODER_ARRAY_DELTA),
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M_DEVBUF, M_NOWAIT);
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if (p == NULL)
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return ENOMEM;
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if (decoder_set != NULL)
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bcopy(decoder_set, p, sizeof(*p)*decoders);
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free(decoder_set, M_DEVBUF);
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decoder_set = p;
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i = decoders++;
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}
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decoder_set[i] = decoder;
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}
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if ((i >= decoders) && (decoders % DECODER_ARRAY_DELTA) == 0) {
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p = malloc(sizeof(*p)*(decoders + DECODER_ARRAY_DELTA),
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M_DEVBUF, M_NOWAIT);
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if (p == NULL)
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return ENOMEM;
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if (decoder_set != NULL)
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bcopy(decoder_set, p, sizeof(*p)*decoders);
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free(decoder_set, M_DEVBUF);
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decoder_set = p;
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i = decoders++;
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}
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decoder_set[i] = decoder;
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return 0;
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}
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@ -117,18 +149,11 @@ int
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splash_unregister(splash_decoder_t *decoder)
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{
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int error;
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int i;
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if (splash_decoder == decoder) {
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if ((error = splash_term(splash_adp)) != 0)
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return error;
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}
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for (i = 0; i < decoders; ++i) {
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if (decoder_set[i] == decoder) {
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decoder_set[i] = NULL;
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break;
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}
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}
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return 0;
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}
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@ -140,16 +165,18 @@ splash_init(video_adapter_t *adp, int (*callback)(int))
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splash_adp = adp;
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splash_callback = callback;
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/* try registered decoders with this adapter and loaded image */
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splash_decoder = NULL;
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splash_find_image();
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if (splash_image_data == NULL)
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return 0;
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for (i = 0; i < decoders; ++i) {
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if (decoder_set[i] == NULL)
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continue;
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if (splash_test(decoder_set[i]) == 0)
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if (splash_test(decoder_set[i]) == 0) {
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splash_new(decoder_set[i]);
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break;
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}
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decoder_set[i] = NULL;
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}
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for (++i; i < decoders; ++i) {
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decoder_set[i] = NULL;
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}
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return 0;
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}
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@ -1,5 +1,29 @@
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/*-
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* $Id: $
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* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: splashreg.h,v 1.1 1999/01/09 02:44:49 yokota Exp $
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*/
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#ifndef _DEV_FB_SPLASHREG_H_
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@ -9,13 +33,18 @@
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struct video_adapter;
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typedef struct splash_decoder {
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struct image_decoder {
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char *name;
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int (*init)(struct video_adapter *adp, void *data,
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size_t size);
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int (*init)(struct video_adapter *adp);
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int (*term)(struct video_adapter *adp);
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int (*splash)(struct video_adapter *adp, int on);
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} splash_decoder_t;
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char *data_type;
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void *data;
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size_t data_size;
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};
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typedef struct image_decoder splash_decoder_t;
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typedef struct image_decoder scrn_saver_t;
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#define SPLASH_DECODER(name, sw) \
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static int name##_modevent(module_t mod, int type, void *data) \
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@ -25,6 +54,8 @@ typedef struct splash_decoder {
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return splash_register(&sw); \
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case MOD_UNLOAD: \
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return splash_unregister(&sw); \
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default: \
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break; \
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} \
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return 0; \
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} \
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@ -35,6 +66,26 @@ typedef struct splash_decoder {
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}; \
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DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY)
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#define SAVER_MODULE(name, sw) \
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static int name##_modevent(module_t mod, int type, void *data) \
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{ \
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switch ((modeventtype_t)type) { \
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case MOD_LOAD: \
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return splash_register(&sw); \
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case MOD_UNLOAD: \
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return splash_unregister(&sw); \
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default: \
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break; \
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} \
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return 0; \
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} \
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static moduledata_t name##_mod = { \
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#name, \
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name##_modevent, \
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NULL \
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}; \
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DECLARE_MODULE(name, name##_mod, SI_SUB_PSEUDO, SI_ORDER_MIDDLE)
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/* entry point for the splash image decoder */
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int splash_register(splash_decoder_t *decoder);
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int splash_unregister(splash_decoder_t *decoder);
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