text: /****************************************************************************
   * arch/xtensa/src/esp32/esp32_spiflash.h
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.  The
   * ASF licenses this file to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance with the
   * License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations
   * under the License.
   *
   ****************************************************************************/
  
  #ifndef __ARCH_XTENSA_SRC_ESP32_ESP32_SPIFLASH_H
  #define __ARCH_XTENSA_SRC_ESP32_ESP32_SPIFLASH_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <sys/types.h>
  #include <stdint.h>
  #include <nuttx/mtd/mtd.h>
  
  #include "xtensa_attr.h"
  
  #ifndef __ASSEMBLY__
  
  #undef EXTERN
  #if defined(__cplusplus)
  #define EXTERN extern "C"
  extern "C"
  {
  #else
  #define EXTERN extern
  #endif
  
  /****************************************************************************
   * Public Function Prototypes
   ****************************************************************************/
  
  /****************************************************************************
   * Name: esp32_spiflash_init
   *
   * Description:
   *   Alloc ESP32 SPI Flash MTD.
   *
   * Input Parameters:
   *   None
   *
   * Returned Value:
   *   ESP32 SPI Flash MTD data pointer if success or NULL if fail.
   *
   ****************************************************************************/
  
  FAR struct mtd_dev_s *esp32_spiflash_alloc_mtdpart(void);
  
  /****************************************************************************
   * Name: esp32_spiflash_get_mtd
   *
   * Description:
   *   Get ESP32 SPI Flash raw MTD.
   *
   * Input Parameters:
   *   None
   *
   * Returned Value:
   *   ESP32 SPI Flash raw MTD data pointer.
   *
   ****************************************************************************/
  
  FAR struct mtd_dev_s *esp32_spiflash_get_mtd(void);
  
  /****************************************************************************
   * Name: esp32_spiflash_get_mtd
   *
   * Description:
   *   Get ESP32 SPI Flash encryption raw MTD.
   *
   * Input Parameters:
   *   None
   *
   * Returned Value:
   *   ESP32 SPI Flash encryption raw MTD data pointer.
   *
   ****************************************************************************/
  
  FAR struct mtd_dev_s *esp32_spiflash_encrypt_get_mtd(void);
  
  #ifdef __cplusplus
  }
  #endif
  #undef EXTERN
  
  #endif /* __ASSEMBLY__ */
  #endif /* __ARCH_XTENSA_SRC_ESP32_ESP32_SPIFLASH_H */
  