projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 6494d708 SG |
1 | /* |
| 2 | * Copyright (c) 2013 Google, Inc | |
| 3 | * | |
| 4 | * (C) Copyright 2012 | |
| 5 | * Pavel Herrmann <morpheus.ibis@gmail.com> | |
| 6 | * | |
| 7 | * SPDX-License-Identifier: GPL-2.0+ | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef _DM_UCLASS_INTERNAL_H | |
| 11 | #define _DM_UCLASS_INTERNAL_H | |
| 12 | ||
| 13 | /** | |
| 14 | * uclass_find_device() - Return n-th child of uclass | |
| 15 | * @id: Id number of the uclass | |
| 16 | * @index: Position of the child in uclass's list | |
| 17 | * #devp: Returns pointer to device, or NULL on error | |
| 18 | * | |
| 19 | * The device is not prepared for use - this is an internal function | |
| 20 | * | |
| 21 | * @return the uclass pointer of a child at the given index or | |
| 22 | * return NULL on error. | |
| 23 | */ | |
| 24 | int uclass_find_device(enum uclass_id id, int index, struct device **devp); | |
| 25 | ||
| 26 | /** | |
| 27 | * uclass_bind_device() - Associate device with a uclass | |
| 28 | * | |
| 29 | * Connect the device into uclass's list of devices. | |
| 30 | * | |
| 31 | * @dev: Pointer to the device | |
| 32 | * #return 0 on success, -ve on error | |
| 33 | */ | |
| 34 | int uclass_bind_device(struct device *dev); | |
| 35 | ||
| 36 | /** | |
| 37 | * uclass_unbind_device() - Deassociate device with a uclass | |
| 38 | * | |
| 39 | * Disconnect the device from uclass's list of devices. | |
| 40 | * | |
| 41 | * @dev: Pointer to the device | |
| 42 | * #return 0 on success, -ve on error | |
| 43 | */ | |
| 44 | int uclass_unbind_device(struct device *dev); | |
| 45 | ||
| 46 | /** | |
| 47 | * uclass_post_probe_device() - Deal with a device that has just been probed | |
| 48 | * | |
| 49 | * Perform any post-processing of a probed device that is needed by the | |
| 50 | * uclass. | |
| 51 | * | |
| 52 | * @dev: Pointer to the device | |
| 53 | * #return 0 on success, -ve on error | |
| 54 | */ | |
| 55 | int uclass_post_probe_device(struct device *dev); | |
| 56 | ||
| 57 | /** | |
| 58 | * uclass_pre_remove_device() - Handle a device which is about to be removed | |
| 59 | * | |
| 60 | * Perform any pre-processing of a device that is about to be removed. | |
| 61 | * | |
| 62 | * @dev: Pointer to the device | |
| 63 | * #return 0 on success, -ve on error | |
| 64 | */ | |
| 65 | int uclass_pre_remove_device(struct device *dev); | |
| 66 | ||
| 67 | /** | |
| 68 | * uclass_find() - Find uclass by its id | |
| 69 | * | |
| 70 | * @id: Id to serach for | |
| 71 | * @return pointer to uclass, or NULL if not found | |
| 72 | */ | |
| 73 | struct uclass *uclass_find(enum uclass_id key); | |
| 74 | ||
| 75 | /** | |
| 76 | * uclass_destroy() - Destroy a uclass | |
| 77 | * | |
| 78 | * Destroy a uclass and all its devices | |
| 79 | * | |
| 80 | * @uc: uclass to destroy | |
| 81 | * @return 0 on success, -ve on error | |
| 82 | */ | |
| 83 | int uclass_destroy(struct uclass *uc); | |
| 84 | ||
| 85 | #endif |