/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
 */

#ifndef _CAM_COMMON_UTIL_H_
#define _CAM_COMMON_UTIL_H_

#include <linux/types.h>
#include <linux/kernel.h>

#define CAM_BITS_MASK_SHIFT(x, mask, shift) (((x) & (mask)) >> shift)

#define PTR_TO_U64(ptr) ((uint64_t)(uintptr_t)ptr)
#define U64_TO_PTR(ptr) ((void *)(uintptr_t)ptr)

/**
 * cam_common_util_get_string_index()
 *
 * @brief                  Match the string from list of strings to return
 *                         matching index
 *
 * @strings:               Pointer to list of strings
 * @num_strings:           Number of strings in 'strings'
 * @matching_string:       String to match
 * @index:                 Pointer to index to return matching index
 *
 * @return:                0 for success
 *                         -EINVAL for Fail
 */
int cam_common_util_get_string_index(const char **strings,
	uint32_t num_strings, const char *matching_string, uint32_t *index);

/**
 * cam_common_util_remove_duplicate_arr()
 *
 * @brief                  Move all the unique integers to the start of
 *                         the array and return the number of unique integers
 *
 * @array:                 Pointer to the first integer of array
 * @num:                   Number of elements in array
 *
 * @return:                Number of unique integers in array
 */
uint32_t cam_common_util_remove_duplicate_arr(int32_t *array,
	uint32_t num);

#endif /* _CAM_COMMON_UTIL_H_ */