1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2017 Rockchip Electronics Co., Ltd 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __RESC_IMG_H_ 8*4882a593Smuzhiyun #define __RESC_IMG_H_ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/list.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define MAX_FILE_NAME_LEN 220 13*4882a593Smuzhiyun #define MAX_HASH_LEN 32 14*4882a593Smuzhiyun #define DTB_SUFFIX ".dtb" 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct resource_file { 17*4882a593Smuzhiyun char name[MAX_FILE_NAME_LEN]; 18*4882a593Smuzhiyun uint32_t blk_start; 19*4882a593Smuzhiyun uint32_t blk_offset; 20*4882a593Smuzhiyun char hash[MAX_HASH_LEN]; 21*4882a593Smuzhiyun uint32_t hash_size; 22*4882a593Smuzhiyun uint32_t size; /* in byte */ 23*4882a593Smuzhiyun bool in_ram; 24*4882a593Smuzhiyun struct list_head link; 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun extern struct list_head entry_head; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* 30*4882a593Smuzhiyun * resource_setup_ram_list() - setup resource file list by given resource image. 31*4882a593Smuzhiyun * 32*4882a593Smuzhiyun * @dev_desc: boot device 33*4882a593Smuzhiyun * @hdr: resource file hdr 34*4882a593Smuzhiyun * 35*4882a593Smuzhiyun * return 0 on success, otherwise fail. 36*4882a593Smuzhiyun */ 37*4882a593Smuzhiyun int resource_setup_ram_list(struct blk_desc *dev_desc, void *hdr); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* 40*4882a593Smuzhiyun * rockchip_read_resource_file() - read file from resource. 41*4882a593Smuzhiyun * 42*4882a593Smuzhiyun * @buf: destination buf to store file data 43*4882a593Smuzhiyun * @name: file name 44*4882a593Smuzhiyun * @blk_offset: blocks offset in the file, 1 block = 512 bytes 45*4882a593Smuzhiyun * @len: the size(by bytes) of file to read 46*4882a593Smuzhiyun * 47*4882a593Smuzhiyun * return the length of read data. 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun int rockchip_read_resource_file(void *buf, const char *name, int blk_offset, int len); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /* 52*4882a593Smuzhiyun * rockchip_read_resource_dtb() - read dtb file 53*4882a593Smuzhiyun * 54*4882a593Smuzhiyun * @fdt_addr: destination buf to store dtb file 55*4882a593Smuzhiyun * @hash: hash value buffer 56*4882a593Smuzhiyun * @hash_size: hash value length 57*4882a593Smuzhiyun */ 58*4882a593Smuzhiyun int rockchip_read_resource_dtb(void *fdt_addr, char **hash, int *hash_size); 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #endif 61