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+/***************************************************************************//**
+ *   @file   iio_trigger.h
+ *   @brief  Header file for iio_trigger.
+ *   @author RBolboac(ramona.bolboaca@analog.com)
+********************************************************************************
+ * Copyright 2022(c) Analog Devices, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Analog Devices, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#ifndef IIO_TRIGGER_H_
+#define IIO_TRIGGER_H_
+
+#include "iio.h"
+#include "iio_types.h"
+#include "no_os_irq.h"
+
+#define TRIG_MAX_NAME_SIZE 20
+
+/**
+ * @struct iio_hw_trig
+ * @brief IIO hardware trigger structure
+ */
+struct iio_hw_trig {
+	/** IIO descriptor */
+	struct iio_desc	*iio_desc;
+	/** Interrupt descriptor to be linked with the trigger */
+	struct no_os_irq_ctrl_desc *irq_ctrl;
+	/** Interrupt id to be linked with the trigger */
+	uint32_t irq_id;
+	/** Interrupt trigger level */
+	enum no_os_irq_trig_level irq_trig_lvl;
+	/** Device trigger name */
+	char name[TRIG_MAX_NAME_SIZE + 1];
+};
+
+/**
+ * @struct iio_hw_trig_cb_info
+ * @brief Hardware trigger callback extra information structure
+ */
+struct iio_hw_trig_cb_info {
+	/** Platform specific event that triggers the calling of the callback. */
+	enum no_os_irq_event event;
+	/** Interrupt source peripheral specifier. */
+	enum no_os_irq_peripheral peripheral;
+	/** This will be used to store HAL specific descriptors */
+	void *handle;
+};
+
+/**
+ * @struct iio_hw_trig_init_param
+ * @brief IIO hardware trigger initialization structure
+ */
+struct iio_hw_trig_init_param {
+	/** IIO descriptor */
+	struct iio_desc *iio_desc;
+	/** Interrupt descriptor to be linked with the trigger */
+	struct no_os_irq_ctrl_desc *irq_ctrl;
+	/** Interrupt id to be linked with the trigger */
+	uint32_t irq_id;
+	/** Interrupt trigger level */
+	enum no_os_irq_trig_level irq_trig_lvl;
+	/** Additional interrupt callback information */
+	struct iio_hw_trig_cb_info cb_info;
+	/** Device trigger name */
+	const char *name;
+};
+
+/**
+ * @struct iio_sw_trig
+ * @brief IIO software trigger structure
+ */
+struct iio_sw_trig {
+	/** IIO descriptor */
+	struct iio_desc *iio_desc;
+	/** Device trigger name */
+	char name[TRIG_MAX_NAME_SIZE + 1];
+};
+
+/**
+ * @struct iio_sw_trig_init_param
+ * @brief IIO software trigger initialization structure
+ */
+struct iio_sw_trig_init_param {
+	/** IIO descriptor */
+	struct iio_desc *iio_desc;
+	/** Device trigger name */
+	const char *name;
+};
+
+#ifndef LINUX_PLATFORM
+/** API to initialize a hardware trigger */
+int iio_hw_trig_init(struct iio_hw_trig **iio_trig,
+		     struct iio_hw_trig_init_param *init_param);
+/** API to enable a hardware  trigger */
+int iio_trig_enable(void *trig);
+/** API to disable a hardware trigger */
+int iio_trig_disable(void *trig);
+/** API for hardware trigger handler */
+void iio_hw_trig_handler(void *trig);
+/** API to remove a hardware trigger */
+int iio_hw_trig_remove(struct iio_hw_trig *trig);
+#endif
+
+/** API to initialize a software trigger */
+int iio_sw_trig_init(struct iio_sw_trig **iio_trig,
+		     struct iio_sw_trig_init_param *init_param);
+/** API for software trigger handler */
+int iio_sw_trig_handler(void *trig, char *buf, uint32_t len,
+			const struct iio_ch_info *channel,
+			intptr_t priv);
+/** API to remove a software trigger */
+int iio_trig_remove(struct iio_sw_trig *trig);
+
+#endif /* IIO_TRIGGER_H_ */