48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
|
|
* 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 */
|