1d2912cb1SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 206458e27SJonathan Cameron /* 306458e27SJonathan Cameron * Industrial I/O in kernel access map interface. 406458e27SJonathan Cameron * 506458e27SJonathan Cameron * Copyright (c) 2011 Jonathan Cameron 606458e27SJonathan Cameron */ 706458e27SJonathan Cameron 806458e27SJonathan Cameron #ifndef _IIO_INKERN_H_ 906458e27SJonathan Cameron #define _IIO_INKERN_H_ 1006458e27SJonathan Cameron 1125c02edfSAlexandru Ardelean struct device; 1289c16919SAndy Shevchenko struct iio_dev; 1306458e27SJonathan Cameron struct iio_map; 1406458e27SJonathan Cameron 1506458e27SJonathan Cameron /** 1606458e27SJonathan Cameron * iio_map_array_register() - tell the core about inkernel consumers 1706458e27SJonathan Cameron * @indio_dev: provider device 1806458e27SJonathan Cameron * @map: array of mappings specifying association of channel with client 1906458e27SJonathan Cameron */ 2006458e27SJonathan Cameron int iio_map_array_register(struct iio_dev *indio_dev, 21*faf17860SChristophe JAILLET const struct iio_map *map); 2206458e27SJonathan Cameron 2306458e27SJonathan Cameron /** 246cb2afd7SGuenter Roeck * iio_map_array_unregister() - tell the core to remove consumer mappings for 256cb2afd7SGuenter Roeck * the given provider device 2606458e27SJonathan Cameron * @indio_dev: provider device 2706458e27SJonathan Cameron */ 286cb2afd7SGuenter Roeck int iio_map_array_unregister(struct iio_dev *indio_dev); 2906458e27SJonathan Cameron 3025c02edfSAlexandru Ardelean /** 3125c02edfSAlexandru Ardelean * devm_iio_map_array_register - device-managed version of iio_map_array_register 3225c02edfSAlexandru Ardelean * @dev: Device object to which to bind the unwinding of this registration 3325c02edfSAlexandru Ardelean * @indio_dev: Pointer to the iio_dev structure 3425c02edfSAlexandru Ardelean * @maps: Pointer to an IIO map object which is to be registered to this IIO device 3525c02edfSAlexandru Ardelean * 3625c02edfSAlexandru Ardelean * This function will call iio_map_array_register() to register an IIO map object 3725c02edfSAlexandru Ardelean * and will also hook a callback to the iio_map_array_unregister() function to 3825c02edfSAlexandru Ardelean * handle de-registration of the IIO map object when the device's refcount goes to 3925c02edfSAlexandru Ardelean * zero. 4025c02edfSAlexandru Ardelean */ 41*faf17860SChristophe JAILLET int devm_iio_map_array_register(struct device *dev, struct iio_dev *indio_dev, 42*faf17860SChristophe JAILLET const struct iio_map *maps); 4325c02edfSAlexandru Ardelean 4406458e27SJonathan Cameron #endif 45