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104 lines
2.2 KiB
104 lines
2.2 KiB
/* |
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* Copyright (c) 2020 The ZMK Contributors |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#pragma once |
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#include <zephyr/types.h> |
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#include <stddef.h> |
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#include <device.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/** |
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* @cond INTERNAL_HIDDEN |
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* |
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* Behavior driver API definition and system call entry points. |
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* |
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* (Internal use only.) |
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*/ |
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typedef int (*ext_power_enable_t)(struct device *dev); |
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typedef int (*ext_power_disable_t)(struct device *dev); |
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typedef int (*ext_power_get_t)(struct device *dev); |
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__subsystem struct ext_power_api { |
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ext_power_enable_t enable; |
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ext_power_disable_t disable; |
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ext_power_get_t get; |
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}; |
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/** |
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* @endcond |
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*/ |
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/** |
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* @brief Enable the external power output |
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* @param dev Pointer to the device structure for the driver instance. |
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* |
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* @retval 0 If successful. |
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* @retval Negative errno code if failure. |
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*/ |
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__syscall int ext_power_enable(struct device *dev); |
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static inline int z_impl_ext_power_enable(struct device *dev) { |
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const struct ext_power_api *api = (const struct ext_power_api *)dev->driver_api; |
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if (api->enable == NULL) { |
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return -ENOTSUP; |
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} |
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return api->enable(dev); |
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} |
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/** |
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* @brief Disable the external power output |
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* @param dev Pointer to the device structure for the driver instance. |
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* |
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* @retval 0 If successful. |
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* @retval Negative errno code if failure. |
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*/ |
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__syscall int ext_power_disable(struct device *dev); |
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static inline int z_impl_ext_power_disable(struct device *dev) { |
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const struct ext_power_api *api = (const struct ext_power_api *)dev->driver_api; |
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if (api->disable == NULL) { |
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return -ENOTSUP; |
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} |
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return api->disable(dev); |
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} |
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/** |
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* @brief Get the current status of the external power output |
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* @param dev Pointer to the device structure for the driver instance. |
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* |
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* @retval 0 If ext power is disabled. |
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* @retval 1 if ext power is enabled. |
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* @retval Negative errno code if failure. |
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*/ |
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__syscall int ext_power_get(struct device *dev); |
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static inline int z_impl_ext_power_get(struct device *dev) { |
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const struct ext_power_api *api = (const struct ext_power_api *)dev->driver_api; |
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if (api->get == NULL) { |
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return -ENOTSUP; |
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} |
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return api->get(dev); |
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} |
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#ifdef __cplusplus |
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} |
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#endif |
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/** |
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* @} |
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*/ |
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#include <syscalls/ext_power.h>
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