16494d708SSimon Glass /* 26494d708SSimon Glass * Copyright (c) 2013 Google, Inc 36494d708SSimon Glass * 46494d708SSimon Glass * (C) Copyright 2012 56494d708SSimon Glass * Pavel Herrmann <morpheus.ibis@gmail.com> 66494d708SSimon Glass * 76494d708SSimon Glass * SPDX-License-Identifier: GPL-2.0+ 86494d708SSimon Glass */ 96494d708SSimon Glass 106494d708SSimon Glass #ifndef _DM_UCLASS_INTERNAL_H 116494d708SSimon Glass #define _DM_UCLASS_INTERNAL_H 126494d708SSimon Glass 136494d708SSimon Glass /** 146494d708SSimon Glass * uclass_find_device() - Return n-th child of uclass 156494d708SSimon Glass * @id: Id number of the uclass 166494d708SSimon Glass * @index: Position of the child in uclass's list 176494d708SSimon Glass * #devp: Returns pointer to device, or NULL on error 186494d708SSimon Glass * 196494d708SSimon Glass * The device is not prepared for use - this is an internal function 206494d708SSimon Glass * 216494d708SSimon Glass * @return the uclass pointer of a child at the given index or 226494d708SSimon Glass * return NULL on error. 236494d708SSimon Glass */ 24*54c5d08aSHeiko Schocher int uclass_find_device(enum uclass_id id, int index, struct udevice **devp); 256494d708SSimon Glass 266494d708SSimon Glass /** 276494d708SSimon Glass * uclass_bind_device() - Associate device with a uclass 286494d708SSimon Glass * 296494d708SSimon Glass * Connect the device into uclass's list of devices. 306494d708SSimon Glass * 316494d708SSimon Glass * @dev: Pointer to the device 326494d708SSimon Glass * #return 0 on success, -ve on error 336494d708SSimon Glass */ 34*54c5d08aSHeiko Schocher int uclass_bind_device(struct udevice *dev); 356494d708SSimon Glass 366494d708SSimon Glass /** 376494d708SSimon Glass * uclass_unbind_device() - Deassociate device with a uclass 386494d708SSimon Glass * 396494d708SSimon Glass * Disconnect the device from uclass's list of devices. 406494d708SSimon Glass * 416494d708SSimon Glass * @dev: Pointer to the device 426494d708SSimon Glass * #return 0 on success, -ve on error 436494d708SSimon Glass */ 44*54c5d08aSHeiko Schocher int uclass_unbind_device(struct udevice *dev); 456494d708SSimon Glass 466494d708SSimon Glass /** 476494d708SSimon Glass * uclass_post_probe_device() - Deal with a device that has just been probed 486494d708SSimon Glass * 496494d708SSimon Glass * Perform any post-processing of a probed device that is needed by the 506494d708SSimon Glass * uclass. 516494d708SSimon Glass * 526494d708SSimon Glass * @dev: Pointer to the device 536494d708SSimon Glass * #return 0 on success, -ve on error 546494d708SSimon Glass */ 55*54c5d08aSHeiko Schocher int uclass_post_probe_device(struct udevice *dev); 566494d708SSimon Glass 576494d708SSimon Glass /** 586494d708SSimon Glass * uclass_pre_remove_device() - Handle a device which is about to be removed 596494d708SSimon Glass * 606494d708SSimon Glass * Perform any pre-processing of a device that is about to be removed. 616494d708SSimon Glass * 626494d708SSimon Glass * @dev: Pointer to the device 636494d708SSimon Glass * #return 0 on success, -ve on error 646494d708SSimon Glass */ 65*54c5d08aSHeiko Schocher int uclass_pre_remove_device(struct udevice *dev); 666494d708SSimon Glass 676494d708SSimon Glass /** 686494d708SSimon Glass * uclass_find() - Find uclass by its id 696494d708SSimon Glass * 706494d708SSimon Glass * @id: Id to serach for 716494d708SSimon Glass * @return pointer to uclass, or NULL if not found 726494d708SSimon Glass */ 736494d708SSimon Glass struct uclass *uclass_find(enum uclass_id key); 746494d708SSimon Glass 756494d708SSimon Glass /** 766494d708SSimon Glass * uclass_destroy() - Destroy a uclass 776494d708SSimon Glass * 786494d708SSimon Glass * Destroy a uclass and all its devices 796494d708SSimon Glass * 806494d708SSimon Glass * @uc: uclass to destroy 816494d708SSimon Glass * @return 0 on success, -ve on error 826494d708SSimon Glass */ 836494d708SSimon Glass int uclass_destroy(struct uclass *uc); 846494d708SSimon Glass 856494d708SSimon Glass #endif 86