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https://github.com/AsahiLinux/u-boot
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86 lines
2 KiB
C
86 lines
2 KiB
C
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/*
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* Copyright (c) 2013 Google, Inc
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*
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* (C) Copyright 2012
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* Pavel Herrmann <morpheus.ibis@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _DM_UCLASS_INTERNAL_H
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#define _DM_UCLASS_INTERNAL_H
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/**
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* uclass_find_device() - Return n-th child of uclass
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* @id: Id number of the uclass
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* @index: Position of the child in uclass's list
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* #devp: Returns pointer to device, or NULL on error
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*
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* The device is not prepared for use - this is an internal function
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*
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* @return the uclass pointer of a child at the given index or
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* return NULL on error.
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*/
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int uclass_find_device(enum uclass_id id, int index, struct device **devp);
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/**
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* uclass_bind_device() - Associate device with a uclass
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*
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* Connect the device into uclass's list of devices.
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*
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* @dev: Pointer to the device
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* #return 0 on success, -ve on error
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*/
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int uclass_bind_device(struct device *dev);
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/**
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* uclass_unbind_device() - Deassociate device with a uclass
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*
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* Disconnect the device from uclass's list of devices.
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*
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* @dev: Pointer to the device
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* #return 0 on success, -ve on error
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*/
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int uclass_unbind_device(struct device *dev);
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/**
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* uclass_post_probe_device() - Deal with a device that has just been probed
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*
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* Perform any post-processing of a probed device that is needed by the
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* uclass.
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*
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* @dev: Pointer to the device
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* #return 0 on success, -ve on error
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*/
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int uclass_post_probe_device(struct device *dev);
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/**
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* uclass_pre_remove_device() - Handle a device which is about to be removed
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*
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* Perform any pre-processing of a device that is about to be removed.
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*
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* @dev: Pointer to the device
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* #return 0 on success, -ve on error
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*/
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int uclass_pre_remove_device(struct device *dev);
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/**
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* uclass_find() - Find uclass by its id
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*
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* @id: Id to serach for
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* @return pointer to uclass, or NULL if not found
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*/
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struct uclass *uclass_find(enum uclass_id key);
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/**
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* uclass_destroy() - Destroy a uclass
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*
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* Destroy a uclass and all its devices
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*
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* @uc: uclass to destroy
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* @return 0 on success, -ve on error
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*/
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int uclass_destroy(struct uclass *uc);
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#endif
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