xiaozhengsheng 6df0f7d96e 初始版本
2025-08-19 09:49:41 +08:00

186 lines
7.9 KiB
C

/**
* Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef NRF_BLOCK_DEV_QSPI_H__
#define NRF_BLOCK_DEV_QSPI_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "nrf_block_dev.h"
#include "nrf_drv_qspi.h"
#include "nrf_log_instance.h"
/**@file
*
* @defgroup nrf_block_dev_qspi QSPI implementation
* @ingroup nrf_block_dev
* @{
*
*/
/**
* @brief QSPI block device operations
* */
extern const nrf_block_dev_ops_t nrf_block_device_qspi_ops;
/**
* @brief QSPI block device internal erase unit buffer size
* */
#define NRF_BLOCK_DEV_QSPI_ERASE_UNIT_SIZE (4096)
/**
* @brief Internal Block device state
*/
typedef enum {
NRF_BLOCK_DEV_QSPI_STATE_DISABLED = 0, /**< QSPI block device state DISABLED */
NRF_BLOCK_DEV_QSPI_STATE_IDLE, /**< QSPI block device state IDLE */
NRF_BLOCK_DEV_QSPI_STATE_READ_EXEC, /**< QSPI block device state READ_EXEC */
NRF_BLOCK_DEV_QSPI_STATE_EUNIT_LOAD, /**< QSPI block device state EUNIT_LOAD */
NRF_BLOCK_DEV_QSPI_STATE_WRITE_ERASE, /**< QSPI block device state WRITE_ERASE */
NRF_BLOCK_DEV_QSPI_STATE_WRITE_EXEC, /**< QSPI block device state WRITE_EXEC */
} nrf_block_dev_qspi_state_t;
/**
* @brief Work structure of QSPI block device
*/
typedef struct {
volatile nrf_block_dev_qspi_state_t state; //!< QSPI block device state
nrf_block_dev_geometry_t geometry; //!< Block device geometry
nrf_block_dev_ev_handler ev_handler; //!< Block device event handler
void const * p_context; //!< Context handle passed to event handler
nrf_block_req_t req; //!< Block READ/WRITE request: original value
nrf_block_req_t left_req; //!< Block READ/WRITE request: left value
bool cache_flushing; //!< QSPI cache flush in progress flag
bool writeback_mode; //!< QSPI write-back mode flag
bool erase_required; //!< QSPI erase required flag
uint32_t erase_unit_idx; //!< QSPI erase unit index
uint32_t erase_unit_dirty_blocks; //!< QSPI erase unit dirty blocks mask
uint8_t p_erase_unit_buff[NRF_BLOCK_DEV_QSPI_ERASE_UNIT_SIZE]; //!< QSPI erase unit buffer (fixed value)
} nrf_block_dev_qspi_work_t;
/**
* @brief QSPI block device flags*/
typedef enum {
NRF_BLOCK_DEV_QSPI_FLAG_CACHE_WRITEBACK = (1u << 0) //!< Cache write-back mode enable flag
} nrf_block_dev_qspi_flag_t;
/** @brief Name of the module used for logger messaging.
*/
#define NRF_BLOCK_DEV_QSPI_LOG_NAME block_dev_qspi
/**
* @brief QSPI block device config initializer (@ref nrf_block_dev_qspi_config_t)
*
* @param blk_size Block size
* @param blk_flags Block device flags, @ref nrf_block_dev_qspi_flag_t
* @param qspi_drv_config QPSI driver config
* */
#define NRF_BLOCK_DEV_QSPI_CONFIG(blk_size, blk_flags, qspi_drv_config) { \
.block_size = (blk_size), \
.flags = (blk_flags), \
.qspi_config = qspi_drv_config \
}
/**
* @brief QSPI block device config
*/
typedef struct {
uint32_t block_size; //!< Desired block size
uint32_t flags; //!< QSPI block device flags
nrf_drv_qspi_config_t qspi_config; //!< QSPI configuration
} nrf_block_dev_qspi_config_t;
/**
* @brief QSPI block device
* */
typedef struct {
nrf_block_dev_t block_dev; //!< Block device
nrf_block_dev_info_strings_t info_strings; //!< Block device information strings
nrf_block_dev_qspi_config_t qspi_bdev_config; //!< QSPI block device config
nrf_block_dev_qspi_work_t * p_work; //!< QSPI block device work structure
NRF_LOG_INSTANCE_PTR_DECLARE(p_log) //!< Pointer to instance of the logger object (Conditionally compiled).
} nrf_block_dev_qspi_t;
/**
* @brief Defines a QSPI block device.
*
* @param name Instance name
* @param config Configuration @ref nrf_block_dev_qspi_config_t
* @param info Info strings @ref NFR_BLOCK_DEV_INFO_CONFIG
* */
#define NRF_BLOCK_DEV_QSPI_DEFINE(name, config, info) \
static nrf_block_dev_qspi_work_t CONCAT_2(name, _work); \
NRF_LOG_INSTANCE_REGISTER(NRF_BLOCK_DEV_QSPI_LOG_NAME, name, \
NRF_BLOCK_DEV_QSPI_CONFIG_INFO_COLOR, \
NRF_BLOCK_DEV_QSPI_CONFIG_DEBUG_COLOR, \
NRF_BLOCK_DEV_QSPI_CONFIG_LOG_INIT_FILTER_LEVEL, \
NRF_BLOCK_DEV_QSPI_CONFIG_LOG_ENABLED ? \
NRF_BLOCK_DEV_QSPI_CONFIG_LOG_LEVEL : NRF_LOG_SEVERITY_NONE); \
static const nrf_block_dev_qspi_t name = { \
.block_dev = { .p_ops = &nrf_block_device_qspi_ops }, \
.info_strings = BRACKET_EXTRACT(info), \
.qspi_bdev_config = config, \
.p_work = &CONCAT_2(name, _work), \
NRF_LOG_INSTANCE_PTR_INIT(p_log, NRF_BLOCK_DEV_QSPI_LOG_NAME, name) \
}
/**
* @brief Returns block device API handle from QSPI block device.
*
* @param[in] p_blk_qspi QSPI block device
* @return Block device handle
*/
static inline nrf_block_dev_t const *
nrf_block_dev_qspi_ops_get(nrf_block_dev_qspi_t const * p_blk_qspi)
{
return &p_blk_qspi->block_dev;
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* NRF_BLOCK_DEV_QSPI_H__ */