| /* |
| * 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) |
| |
| 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 */ |
