| /**************************************************************************** |
| * arch/xtensa/src/esp32s3/esp32s3_qspi.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. |
| * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #ifndef __ARCH_XTENSA_SRC_ESP32S3_ESP32S3_QSPI_H |
| #define __ARCH_XTENSA_SRC_ESP32S3_ESP32S3_QSPI_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #include <nuttx/spi/qspi.h> |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| #ifdef CONFIG_ESP32S3_SPI |
| |
| #ifdef CONFIG_ESP32S3_SPI2 |
| # define ESP32S3_SPI2 2 |
| #endif |
| |
| #ifdef CONFIG_ESP32S3_SPI3 |
| # define ESP32S3_SPI3 3 |
| #endif |
| |
| /**************************************************************************** |
| * Public Function Prototypes |
| ****************************************************************************/ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| #define EXTERN extern "C" |
| extern "C" |
| { |
| #else |
| #define EXTERN extern |
| #endif |
| |
| /**************************************************************************** |
| * Name: esp32s3_qspibus_set_attr |
| * |
| * Description: |
| * Set attribution of QSPI bus transfer. |
| * |
| * Input Parameters: |
| * dev - Device-specific state data |
| * dummies - Number of dummy cycles, this only works in command |
| * transfer, not works in memory transfer |
| * addr_lines - Number of address transmiting I/O pins |
| * data_lines - Number of data transmiting I/O pins |
| * |
| * Returned Value: |
| * Zero (OK) is returned on success. Otherwise -1 (ERROR). |
| * |
| ****************************************************************************/ |
| |
| int esp32s3_qspibus_set_attr(struct qspi_dev_s *dev, |
| uint8_t dummies, |
| uint8_t addr_lines, |
| uint8_t data_lines); |
| |
| /**************************************************************************** |
| * Name: esp32s3_qspibus_initialize |
| * |
| * Description: |
| * Initialize the selected QSPI bus. |
| * |
| * Input Parameters: |
| * port - Port number (for hardware that has multiple QSPI interfaces) |
| * |
| * Returned Value: |
| * Valid QSPI device structure reference on success; NULL on failure |
| * |
| ****************************************************************************/ |
| |
| struct qspi_dev_s *esp32s3_qspibus_initialize(int port); |
| |
| /**************************************************************************** |
| * Name: esp32s3_qspibus_uninitialize |
| * |
| * Description: |
| * Uninitialize an QSPI bus. |
| * |
| * Input Parameters: |
| * dev - Device-specific state data |
| * |
| * Returned Value: |
| * Zero (OK) is returned on success. Otherwise -1 (ERROR). |
| * |
| ****************************************************************************/ |
| |
| int esp32s3_qspibus_uninitialize(struct qspi_dev_s *dev); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #undef EXTERN |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* CONFIG_ESP32S3_SPI */ |
| #endif /* __ARCH_XTENSA_SRC_ESP32S3_ESP32S3_QSPI_H */ |