1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Atlantic Network Driver
3 *
4 * Copyright (C) 2014-2019 aQuantia Corporation
5 * Copyright (C) 2019-2020 Marvell International Ltd.
6 */
7
8/* File aq_hw_utils.h: Declaration of helper functions used across hardware
9 * layer.
10 */
11
12#ifndef AQ_HW_UTILS_H
13#define AQ_HW_UTILS_H
14
15#include <linux/iopoll.h>
16
17#include "aq_common.h"
18
19#ifndef HIDWORD
20#define LODWORD(_qw)    ((u32)(_qw))
21#define HIDWORD(_qw)    ((u32)(((_qw) >> 32) & 0xffffffff))
22#endif
23
24#define AQ_HW_SLEEP(_US_) mdelay(_US_)
25
26#define aq_pr_err(...) pr_err(AQ_CFG_DRV_NAME ": " __VA_ARGS__)
27#define aq_pr_trace(...) pr_info(AQ_CFG_DRV_NAME ": " __VA_ARGS__)
28
29struct aq_hw_s;
30
31void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
32			 u32 shift, u32 val);
33u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift);
34u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
35void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
36u64 aq_hw_read_reg64(struct aq_hw_s *hw, u32 reg);
37void aq_hw_write_reg64(struct aq_hw_s *hw, u32 reg, u64 value);
38int aq_hw_err_from_flags(struct aq_hw_s *hw);
39int aq_hw_num_tcs(struct aq_hw_s *hw);
40int aq_hw_q_per_tc(struct aq_hw_s *hw);
41
42#endif /* AQ_HW_UTILS_H */
43