| Simon Glass | 6494d70 | 2014-02-26 15:59:18 -0700 | [diff] [blame] | 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 |