| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Industrial I/O in kernel access map interface. |
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| 4 | * |
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| 5 | * Copyright (c) 2011 Jonathan Cameron |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef _IIO_INKERN_H_ |
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| 9 | #define _IIO_INKERN_H_ |
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| 10 | |
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| 11 | struct device; |
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| 12 | struct iio_dev; |
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| 13 | struct iio_map; |
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| 14 | |
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| 15 | /** |
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| 16 | * iio_map_array_register() - tell the core about inkernel consumers |
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| 17 | * @indio_dev: provider device |
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| 18 | * @map: array of mappings specifying association of channel with client |
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| 19 | */ |
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| 20 | int iio_map_array_register(struct iio_dev *indio_dev, |
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| 21 | const struct iio_map *map); |
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| 22 | |
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| 23 | /** |
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| 24 | * iio_map_array_unregister() - tell the core to remove consumer mappings for |
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| 25 | * the given provider device |
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| 26 | * @indio_dev: provider device |
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| 27 | */ |
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| 28 | int iio_map_array_unregister(struct iio_dev *indio_dev); |
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| 29 | |
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| 30 | /** |
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| 31 | * devm_iio_map_array_register - device-managed version of iio_map_array_register |
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| 32 | * @dev: Device object to which to bind the unwinding of this registration |
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| 33 | * @indio_dev: Pointer to the iio_dev structure |
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| 34 | * @maps: Pointer to an IIO map object which is to be registered to this IIO device |
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| 35 | * |
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| 36 | * This function will call iio_map_array_register() to register an IIO map object |
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| 37 | * and will also hook a callback to the iio_map_array_unregister() function to |
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| 38 | * handle de-registration of the IIO map object when the device's refcount goes to |
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| 39 | * zero. |
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| 40 | */ |
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| 41 | int devm_iio_map_array_register(struct device *dev, struct iio_dev *indio_dev, |
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| 42 | const struct iio_map *maps); |
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| 43 | |
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| 44 | #endif |
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| 45 | |
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