linux/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
 *
 * Derived from Intel e1000 driver
 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
 */
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/mii.h>
#include <linux/crc32.h>

#include "atl1e.h"

/*
 * check_eeprom_exist
 * return 0 if eeprom exist
 */
int atl1e_check_eeprom_exist(struct atl1e_hw *hw)
{ … }

void atl1e_hw_set_mac_addr(struct atl1e_hw *hw)
{ … }

/*
 * atl1e_get_permanent_address
 * return 0 if get valid mac address,
 */
static int atl1e_get_permanent_address(struct atl1e_hw *hw)
{ … }

bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value)
{ … }

bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value)
{ … }

void atl1e_force_ps(struct atl1e_hw *hw)
{ … }

/*
 * Reads the adapter's MAC address from the EEPROM
 *
 * hw - Struct containing variables accessed by shared code
 */
int atl1e_read_mac_addr(struct atl1e_hw *hw)
{ … }

/*
 * atl1e_hash_mc_addr
 *  purpose
 *      set hash value for a multicast address
 */
u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
{ … }

/*
 * Sets the bit in the multicast table corresponding to the hash value.
 * hw - Struct containing variables accessed by shared code
 * hash_value - Multicast address hash value
 */
void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value)
{ … }
/*
 * Reads the value from a PHY register
 * hw - Struct containing variables accessed by shared code
 * reg_addr - address of the PHY register to read
 */
int atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data)
{ … }

/*
 * Writes a value to a PHY register
 * hw - Struct containing variables accessed by shared code
 * reg_addr - address of the PHY register to write
 * data - data to write to the PHY
 */
int atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data)
{ … }

/*
 * atl1e_init_pcie - init PCIE module
 */
static void atl1e_init_pcie(struct atl1e_hw *hw)
{ … }
/*
 * Configures PHY autoneg and flow control advertisement settings
 *
 * hw - Struct containing variables accessed by shared code
 */
static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw)
{ … }


/*
 * Resets the PHY and make all config validate
 *
 * hw - Struct containing variables accessed by shared code
 *
 * Sets bit 15 and 12 of the MII control regiser (for F001 bug)
 */
int atl1e_phy_commit(struct atl1e_hw *hw)
{ … }

int atl1e_phy_init(struct atl1e_hw *hw)
{ … }

/*
 * Reset the transmit and receive units; mask and clear all interrupts.
 * hw - Struct containing variables accessed by shared code
 * return : 0  or  idle status (if error)
 */
int atl1e_reset_hw(struct atl1e_hw *hw)
{ … }


/*
 * Performs basic configuration of the adapter.
 *
 * hw - Struct containing variables accessed by shared code
 * Assumes that the controller has previously been reset and is in a
 * post-reset uninitialized state. Initializes multicast table,
 * and  Calls routines to setup link
 * Leaves the transmit and receive units disabled and uninitialized.
 */
int atl1e_init_hw(struct atl1e_hw *hw)
{ … }

/*
 * Detects the current speed and duplex settings of the hardware.
 *
 * hw - Struct containing variables accessed by shared code
 * speed - Speed of the connection
 * duplex - Duplex setting of the connection
 */
int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex)
{ … }

int atl1e_restart_autoneg(struct atl1e_hw *hw)
{ … }