/*
 * This file defines functionality for reading and validating an FX3 firmware
 * image, and providing access to the image contents.
 *
 * This file is part of the bladeRF project:
 *   http://www.github.com/nuand/bladeRF
 *
 * Copyright (C) 2014 Nuand LLC
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef DRIVER_FX3_FW_H_
#define DRIVER_FX3_FW_H_

#include "host_config.h"
#include <stdbool.h>
#include <stdint.h>

#include "board/board.h"

struct fx3_firmware;

/**
 * Parse the contents of an FX3 firmware file into a fx3_firmware structure.
 *
 * @param[out]  fw      Handle to FX3 firmware data
 * @param[in]   buf     Buffer containing a FX3 firmware image
 * @param[in]   buf_len Length of buffer
 *
 * @return 0 on success, BLADERF_ERR_INVAL if image validation fails,
 * BLADERF_ERR_* values on other errors.
 */
int fx3_fw_parse(struct fx3_firmware **fw, uint8_t *buf, size_t buf_len);

/**
 * Free the data stored in the provided fx3_firmware structure.
 *
 * @param[inout]    fw  Structure to deallocate
 */
void fx3_fw_free(struct fx3_firmware *fw);

/**
 * This function allows each section to be iterated over by calling it
 * repeatedly, until it returns false.
 *
 * @param[in]   fw              Handle FX3 firmware data
 * @param[out]  section_addr    Target RAM address of the section (on the FX3)
 * @param[out]  section_data    Updated to point to start of next section's data
 * @parma[out]  section_len     Length of the next section
 *
 * @return true if this function returned section data, false if the end of the
 * FW has been reached and no data is available.
 */
bool fx3_fw_next_section(struct fx3_firmware *fw,
                         uint32_t *section_addr,
                         uint8_t **section_data,
                         uint32_t *section_len);

/**
 * @param[in]   fw              Handle FX3 firmware data
 *
 * @return The 32-bit little-endian address of the firmware entry point.
 */
uint32_t fx3_fw_entry_point(const struct fx3_firmware *fw);

#endif