0285cf4235
Move lfosc_get_accuracy away from common library as not all devices need this function. Signed-off-by: David Jewsbury <david.jewsbury@nordicsemi.no>
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/*
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* Copyright (c) 2024 Nordic Semiconductor ASA
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_CLOCK_CONTROL_NRF2_COMMON_H_
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#define ZEPHYR_DRIVERS_CLOCK_CONTROL_NRF2_COMMON_H_
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#include <zephyr/device.h>
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/clock_control.h>
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#include <zephyr/sys/atomic.h>
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#include <zephyr/sys/onoff.h>
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#define FLAGS_COMMON_BITS 10
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struct clock_onoff {
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struct onoff_manager mgr;
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onoff_notify_fn notify;
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uint8_t idx;
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};
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/**
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* @brief Defines a type for specific clock configuration structure.
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*
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* @param type suffix added clock_config_ to form the type name.
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* @param _onoff_cnt number of clock configuration options to be handled;
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* for each one a separate onoff manager instance is used.
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*/
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#define STRUCT_CLOCK_CONFIG(type, _onoff_cnt) \
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struct clock_config_##type { \
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atomic_t flags; \
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uint32_t flags_snapshot; \
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struct k_work work; \
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uint8_t onoff_cnt; \
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struct clock_onoff onoff[_onoff_cnt]; \
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}
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/**
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* @brief Initializes a clock configuration structure.
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*
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* @param clk_cfg pointer to the structure to be initialized.
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* @param onoff_cnt number of clock configuration options handled
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* handled by the structure.
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* @param update_work_handler function that performs configuration update,
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* called from the system work queue.
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*
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* @return 0 on success, negative value when onoff initialization fails.
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*/
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int clock_config_init(void *clk_cfg, uint8_t onoff_cnt, k_work_handler_t update_work_handler);
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/**
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* @brief Helper function for requesting a clock configuration handled by
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* a given on-off manager.
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*
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* If needed, the function resets the on-off service prior to making the new
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* request.
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*
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* @param mgr pointer to the manager for which the request is to be done.
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* @param cli pointer to a client state structure to be used for the request.
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*
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* @return result returned by onoff_request().
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*/
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int clock_config_request(struct onoff_manager *mgr, struct onoff_client *cli);
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/**
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* @brief Starts a clock configuration update.
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*
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* This function is supposed to be called by a specific clock control driver
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* from its update work handler.
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*
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* @param work pointer to the work item received by the update work handler.
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*
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* @return index of the clock configuration onoff option to be activated.
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*/
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uint8_t clock_config_update_begin(struct k_work *work);
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/**
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* @brief Finalizes a clock configuration update.
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*
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* Notifies all relevant onoff managers about the update result.
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* Only the first call after each clock_config_update_begin() performs
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* the actual operation. Any further calls are simply no-ops.
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*
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* @param clk_cfg pointer to the clock configuration structure.
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* @param status result to be passed to onoff managers.
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*/
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void clock_config_update_end(void *clk_cfg, int status);
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int api_nosys_on_off(const struct device *dev, clock_control_subsys_t sys);
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#endif /* ZEPHYR_DRIVERS_CLOCK_CONTROL_NRF2_COMMON_H_ */
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