| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|
| 2 | /* |
|---|
| 3 | * Industrial I/O in kernel access map interface. |
|---|
| 4 | * |
|---|
| 5 | * Copyright (c) 2011 Jonathan Cameron |
|---|
| 6 | */ |
|---|
| 7 | |
|---|
| 8 | #ifndef _IIO_INKERN_H_ |
|---|
| 9 | #define _IIO_INKERN_H_ |
|---|
| 10 | |
|---|
| 11 | struct device; |
|---|
| 12 | struct iio_dev; |
|---|
| 13 | struct iio_map; |
|---|
| 14 | |
|---|
| 15 | /** |
|---|
| 16 | * iio_map_array_register() - tell the core about inkernel consumers |
|---|
| 17 | * @indio_dev: provider device |
|---|
| 18 | * @map: array of mappings specifying association of channel with client |
|---|
| 19 | */ |
|---|
| 20 | int iio_map_array_register(struct iio_dev *indio_dev, |
|---|
| 21 | struct iio_map *map); |
|---|
| 22 | |
|---|
| 23 | /** |
|---|
| 24 | * iio_map_array_unregister() - tell the core to remove consumer mappings for |
|---|
| 25 | * the given provider device |
|---|
| 26 | * @indio_dev: provider device |
|---|
| 27 | */ |
|---|
| 28 | int iio_map_array_unregister(struct iio_dev *indio_dev); |
|---|
| 29 | |
|---|
| 30 | /** |
|---|
| 31 | * devm_iio_map_array_register - device-managed version of iio_map_array_register |
|---|
| 32 | * @dev: Device object to which to bind the unwinding of this registration |
|---|
| 33 | * @indio_dev: Pointer to the iio_dev structure |
|---|
| 34 | * @maps: Pointer to an IIO map object which is to be registered to this IIO device |
|---|
| 35 | * |
|---|
| 36 | * This function will call iio_map_array_register() to register an IIO map object |
|---|
| 37 | * and will also hook a callback to the iio_map_array_unregister() function to |
|---|
| 38 | * handle de-registration of the IIO map object when the device's refcount goes to |
|---|
| 39 | * zero. |
|---|
| 40 | */ |
|---|
| 41 | int devm_iio_map_array_register(struct device *dev, struct iio_dev *indio_dev, struct iio_map *maps); |
|---|
| 42 | |
|---|
| 43 | #endif |
|---|
| 44 | |
|---|
