root/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * aQuantia Corporation Network Driver
   4  * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
   5  */
   6 
   7 /* File aq_hw_utils.h: Declaration of helper functions used across hardware
   8  * layer.
   9  */
  10 
  11 #ifndef AQ_HW_UTILS_H
  12 #define AQ_HW_UTILS_H
  13 
  14 #include <linux/iopoll.h>
  15 
  16 #include "aq_common.h"
  17 
  18 #ifndef HIDWORD
  19 #define LODWORD(_qw)    ((u32)(_qw))
  20 #define HIDWORD(_qw)    ((u32)(((_qw) >> 32) & 0xffffffff))
  21 #endif
  22 
  23 #define AQ_HW_SLEEP(_US_) mdelay(_US_)
  24 
  25 #define aq_pr_err(...) pr_err(AQ_CFG_DRV_NAME ": " __VA_ARGS__)
  26 #define aq_pr_trace(...) pr_info(AQ_CFG_DRV_NAME ": " __VA_ARGS__)
  27 
  28 struct aq_hw_s;
  29 
  30 void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
  31                          u32 shift, u32 val);
  32 u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift);
  33 u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
  34 void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
  35 u64 aq_hw_read_reg64(struct aq_hw_s *hw, u32 reg);
  36 int aq_hw_err_from_flags(struct aq_hw_s *hw);
  37 
  38 #endif /* AQ_HW_UTILS_H */