LXR linux/drivers/net/ethernet/aquantia/atlantic/aq_hw

   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
  28struct aq_hw_s;
  29
  30void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
  31                         u32 shift, u32 val);
  32u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift);
  33u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
  34void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
  35u64 aq_hw_read_reg64(struct aq_hw_s *hw, u32 reg);
  36int aq_hw_err_from_flags(struct aq_hw_s *hw);
  37
  38#endif /* AQ_HW_UTILS_H */
  39