/*
 * This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
 * Copyright (c) 2022 Pol Henarejos.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, version 3.
 *
 * This program 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
 * Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */


#ifndef _OTP_H_
#define _OTP_H_

#ifdef PICO_RP2350

#define OTP_OLD_MKEK_ROW 0xEF0
#define OTP_OLD_DEVK_ROW 0xED0
#define OTP_MKEK_ROW     0xE90
#define OTP_DEVK_ROW     0xE80

#define OTP_KEY_1    OTP_MKEK_ROW
#define OTP_KEY_2    OTP_DEVK_ROW

extern const uint8_t* otp_buffer(uint16_t row);
extern const uint8_t* otp_buffer_raw(uint16_t row);
extern bool is_empty_otp_buffer(uint16_t row, uint16_t len);
extern int otp_write_data(uint16_t row, const uint8_t *data, uint16_t len);
extern int otp_write_data_raw(uint16_t row, const uint8_t *data, uint16_t len);

#elif defined(ESP_PLATFORM)

#include "esp_efuse.h"
#include "esp_efuse_table.h"

#define OTP_KEY_1    EFUSE_BLK_KEY3
#define OTP_KEY_2    EFUSE_BLK_KEY4

#endif

extern int otp_enable_secure_boot(uint8_t bootkey, bool secure_lock);
extern void init_otp_files();

extern const uint8_t *otp_key_1;
extern const uint8_t *otp_key_2;

extern bool otp_is_secure_boot_enabled(uint8_t *bootkey);
extern bool otp_is_secure_boot_locked();

#endif // _OTP_H_