61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
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* (C) Copyright 2017 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __RESC_IMG_H_
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#define __RESC_IMG_H_
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#include <linux/list.h>
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#define MAX_FILE_NAME_LEN 220
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#define MAX_HASH_LEN 32
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#define DTB_SUFFIX ".dtb"
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struct resource_file {
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char name[MAX_FILE_NAME_LEN];
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uint32_t blk_start;
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uint32_t blk_offset;
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char hash[MAX_HASH_LEN];
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uint32_t hash_size;
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uint32_t size; /* in byte */
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bool in_ram;
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struct list_head link;
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};
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extern struct list_head entry_head;
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/*
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* resource_setup_ram_list() - setup resource file list by given resource image.
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*
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* @dev_desc: boot device
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* @hdr: resource file hdr
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*
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* return 0 on success, otherwise fail.
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*/
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int resource_setup_ram_list(struct blk_desc *dev_desc, void *hdr);
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/*
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* rockchip_read_resource_file() - read file from resource.
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*
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* @buf: destination buf to store file data
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* @name: file name
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* @blk_offset: blocks offset in the file, 1 block = 512 bytes
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* @len: the size(by bytes) of file to read
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*
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* return the length of read data.
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*/
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int rockchip_read_resource_file(void *buf, const char *name, int blk_offset, int len);
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/*
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* rockchip_read_resource_dtb() - read dtb file
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*
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* @fdt_addr: destination buf to store dtb file
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* @hash: hash value buffer
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* @hash_size: hash value length
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*/
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int rockchip_read_resource_dtb(void *fdt_addr, char **hash, int *hash_size);
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#endif
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