| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2022, STMicroelectronics |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __RPMSG_CHRDEV_H__ |
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| 7 | #define __RPMSG_CHRDEV_H__ |
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| 8 | |
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| 9 | #if IS_ENABLED(CONFIG_RPMSG_CHAR) |
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| 10 | /** |
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| 11 | * rpmsg_chrdev_eptdev_create() - register char device based on an endpoint |
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| 12 | * @rpdev: prepared rpdev to be used for creating endpoints |
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| 13 | * @parent: parent device |
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| 14 | * @chinfo: associated endpoint channel information. |
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| 15 | * |
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| 16 | * This function create a new rpmsg char endpoint device to instantiate a new |
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| 17 | * endpoint based on chinfo information. |
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| 18 | */ |
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| 19 | int rpmsg_chrdev_eptdev_create(struct rpmsg_device *rpdev, struct device *parent, |
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| 20 | struct rpmsg_channel_info chinfo); |
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| 21 | |
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| 22 | /** |
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| 23 | * rpmsg_chrdev_eptdev_destroy() - destroy created char device endpoint. |
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| 24 | * @data: private data associated to the endpoint device |
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| 25 | * |
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| 26 | * This function destroys a rpmsg char endpoint device created by the RPMSG_DESTROY_EPT_IOCTL |
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| 27 | * control. |
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| 28 | */ |
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| 29 | int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data); |
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| 30 | |
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| 31 | #else /*IS_ENABLED(CONFIG_RPMSG_CHAR) */ |
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| 32 | |
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| 33 | static inline int rpmsg_chrdev_eptdev_create(struct rpmsg_device *rpdev, struct device *parent, |
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| 34 | struct rpmsg_channel_info chinfo) |
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| 35 | { |
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| 36 | return -ENXIO; |
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| 37 | } |
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| 38 | |
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| 39 | static inline int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data) |
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| 40 | { |
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| 41 | return -ENXIO; |
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| 42 | } |
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| 43 | |
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| 44 | #endif /*IS_ENABLED(CONFIG_RPMSG_CHAR) */ |
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| 45 | |
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| 46 | #endif /*__RPMSG_CHRDEV_H__ */ |
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| 47 | |
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