1 /* 2 * (C) Copyright 2017 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __RESC_IMG_H_ 8 #define __RESC_IMG_H_ 9 10 /* 11 * rockchip_read_resource_file - read file from resource partition 12 * 13 * @buf: destination buf to store file data 14 * @name: file name 15 * @offset: blocks offset in the file, 1 block = 512 bytes 16 * @len: the size(by bytes) of file to read. 17 * 18 * return negative num on failed, otherwise the file size 19 */ 20 int rockchip_read_resource_file(void *buf, const char *name, int offset, int len); 21 22 /* 23 * rockchip_read_resource_dtb() - read dtb file 24 * 25 * @fdt_addr: destination buf to store dtb file 26 * @hash: hash value buffer 27 * @hash_size: hash value length 28 */ 29 int rockchip_read_resource_dtb(void *fdt_addr, char **hash, int *hash_size); 30 #endif 31