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