/* * aQuantia Corporation Network Driver * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. */ /* File aq_hw_utils.h: Declaration of helper functions used across hardware * layer. */ #ifndef AQ_HW_UTILS_H #define AQ_HW_UTILS_H #include "aq_common.h" #ifndef HIDWORD #define LODWORD(_qw) ((u32)(_qw)) #define HIDWORD(_qw) ((u32)(((_qw) >> 32) & 0xffffffff)) #endif #define AQ_HW_SLEEP(_US_) mdelay(_US_) #define AQ_HW_WAIT_FOR(_B_, _US_, _N_) \ do { \ unsigned int AQ_HW_WAIT_FOR_i; \ for (AQ_HW_WAIT_FOR_i = _N_; (!(_B_)) && (AQ_HW_WAIT_FOR_i);\ --AQ_HW_WAIT_FOR_i) {\ udelay(_US_); \ } \ if (!AQ_HW_WAIT_FOR_i) {\ err = -ETIME; \ } \ } while (0) #define aq_pr_err(...) pr_err(AQ_CFG_DRV_NAME ": " __VA_ARGS__) #define aq_pr_trace(...) pr_info(AQ_CFG_DRV_NAME ": " __VA_ARGS__) struct aq_hw_s; void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift, u32 val); u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift); u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg); void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value); int aq_hw_err_from_flags(struct aq_hw_s *hw); #endif /* AQ_HW_UTILS_H */