diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/block_dev/qspi/nrf_block_dev_qspi.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/block_dev/qspi/nrf_block_dev_qspi.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/block_dev/qspi/nrf_block_dev_qspi.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/block_dev/qspi/nrf_block_dev_qspi.h new file mode 100644 index 0000000..f73a729 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/block_dev/qspi/nrf_block_dev_qspi.h @@ -0,0 +1,172 @@ +/** + * Copyright (c) 2016 - 2018, 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" + +/**@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 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_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); \ + 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), \ + } + +/** + * @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__ */ |