1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/iio/driver.h b/include/linux/iio/driver.h
new file mode 100644
index 000000000..7a157ed21
--- /dev/null
+++ b/include/linux/iio/driver.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Industrial I/O in kernel access map interface.
+ *
+ * Copyright (c) 2011 Jonathan Cameron
+ */
+
+#ifndef _IIO_INKERN_H_
+#define _IIO_INKERN_H_
+
+struct device;
+struct iio_dev;
+struct iio_map;
+
+/**
+ * iio_map_array_register() - tell the core about inkernel consumers
+ * @indio_dev:	provider device
+ * @map:	array of mappings specifying association of channel with client
+ */
+int iio_map_array_register(struct iio_dev *indio_dev,
+			   struct iio_map *map);
+
+/**
+ * iio_map_array_unregister() - tell the core to remove consumer mappings for
+ *				the given provider device
+ * @indio_dev:	provider device
+ */
+int iio_map_array_unregister(struct iio_dev *indio_dev);
+
+/**
+ * devm_iio_map_array_register - device-managed version of iio_map_array_register
+ * @dev:	Device object to which to bind the unwinding of this registration
+ * @indio_dev:	Pointer to the iio_dev structure
+ * @maps:	Pointer to an IIO map object which is to be registered to this IIO device
+ *
+ * This function will call iio_map_array_register() to register an IIO map object
+ * and will also hook a callback to the iio_map_array_unregister() function to
+ * handle de-registration of the IIO map object when the device's refcount goes to
+ * zero.
+ */
+int devm_iio_map_array_register(struct device *dev, struct iio_dev *indio_dev, struct iio_map *maps);
+
+#endif