+/**
+ * rkcommon_verify_header() - verify the header for a Rockchip boot image
+ *
+ * @buf: Pointer to the image file
+ * @file_size: Size of entire bootable image file (incl. all padding)
+ * @return 0 if OK
+ */
+int rkcommon_verify_header(unsigned char *buf, int size,
+ struct image_tool_params *params);
+
+/**
+ * rkcommon_print_header() - print the header for a Rockchip boot image
+ *
+ * This prints the header, spl_name and whether this is a SD/MMC or SPI image.
+ *
+ * @buf: Pointer to the image (can be a read-only file-mapping)
+ */
+void rkcommon_print_header(const void *buf);
+
+/**
+ * rkcommon_need_rc4_spl() - check if rc4 encoded spl is required
+ *
+ * Some socs cannot disable the rc4-encryption of the spl binary.
+ * rc4 encryption is disabled normally except on socs that cannot
+ * handle unencrypted binaries.
+ * @return true or false depending on rc4 being required.
+ */
+bool rkcommon_need_rc4_spl(struct image_tool_params *params);
+
+/**
+ * rkcommon_rc4_encode_spl() - encode the spl binary
+ *
+ * Encrypts the SPL binary using the generic rc4 key as required
+ * by some socs.
+ *
+ * @buf: Pointer to the SPL data (header and SPL binary)
+ * @offset: offset inside buf to start at
+ * @size: number of bytes to encode
+ */
+void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size);
+
+/**
+ * rkcommon_vrec_header() - allocate memory for the header
+ *
+ * @params: Pointer to the tool params structure
+ * @tparams: Pointer tot the image type structure (for setting
+ * the header and header_size)
+ * @alignment: Alignment (a power of two) that the image should be
+ * padded to (e.g. 512 if we want to align with SD/MMC
+ * blocksizes or 2048 for the SPI format)
+ *
+ * @return bytes of padding required/added (does not include the header_size)
+ */
+int rkcommon_vrec_header(struct image_tool_params *params,
+ struct image_type_params *tparams,
+ unsigned int alignment);
+