1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
 4 * Author: James.Qian.Wang <james.qian.wang@arm.com>
 5 *
 6 */
 7#ifndef _MALIDP_UTILS_
 8#define _MALIDP_UTILS_
 9
10#include <linux/delay.h>
11#include <linux/errno.h>
12
13#define has_bit(nr, mask)	(BIT(nr) & (mask))
14#define has_bits(bits, mask)	(((bits) & (mask)) == (bits))
15
16#define dp_wait_cond(__cond, __tries, __min_range, __max_range)	\
17({							\
18	int num_tries = __tries;			\
19	while (!__cond && (num_tries > 0)) {		\
20		usleep_range(__min_range, __max_range);	\
21		num_tries--;				\
22	}						\
23	(__cond) ? 0 : -ETIMEDOUT;			\
24})
25
26/* the restriction of range is [start, end] */
27struct malidp_range {
28	u32 start;
29	u32 end;
30};
31
32static inline void set_range(struct malidp_range *rg, u32 start, u32 end)
33{
34	rg->start = start;
35	rg->end   = end;
36}
37
38static inline bool malidp_in_range(struct malidp_range *rg, u32 v)
39{
40	return (v >= rg->start) && (v <= rg->end);
41}
42
43#endif /* _MALIDP_UTILS_ */