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 29 struct aq_hw_s; 30 31 void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, 32 u32 shift, u32 val); 33 u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift); 34 u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg); 35 void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value); 36 u64 aq_hw_read_reg64(struct aq_hw_s *hw, u32 reg); 37 void aq_hw_write_reg64(struct aq_hw_s *hw, u32 reg, u64 value); 38 int aq_hw_err_from_flags(struct aq_hw_s *hw); 39 int aq_hw_num_tcs(struct aq_hw_s *hw); 40 int aq_hw_q_per_tc(struct aq_hw_s *hw); 41 42 #endif /* AQ_HW_UTILS_H */ 43