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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020 Marvell International Ltd.
*/
#ifndef __OCTEON_ETH_H__
#define __OCTEON_ETH_H__
#include <phy.h>
#include <miiphy.h>
#include <mach/cvmx-helper.h>
#include <mach/cvmx-helper-board.h>
#include <mach/octeon_fdt.h>
struct eth_device;
/** Ethernet device private data structure for octeon ethernet */
struct octeon_eth_info {
u64 link_state;
u32 port; /** ipd port */
u32 interface; /** Port interface */
u32 index; /** port index on interface */
int node; /** OCX node number */
u32 initted_flag; /** 0 if port not initialized */
struct mii_dev *mii_bus; /** MII bus for PHY */
struct phy_device *phydev; /** PHY device */
struct eth_device *ethdev; /** Eth device this priv is part of */
int mii_addr;
int phy_fdt_offset; /** Offset of PHY info in device tree */
int fdt_offset; /** Offset of Eth interface in DT */
int phy_offset; /** Offset of PHY dev in device tree */
enum cvmx_phy_type phy_device_type; /** Type of PHY */
/* current link status, use to reconfigure on status changes */
u64 packets_sent;
u64 packets_received;
u32 link_speed : 2;
u32 link_duplex : 1;
u32 link_status : 1;
u32 loopback : 1;
u32 enabled : 1;
u32 is_c45 : 1; /** Set if we need to use clause 45 */
u32 vitesse_sfp_config : 1; /** Need Vitesse SFP config */
u32 ti_gpio_config : 1; /** Need TI GPIO config */
u32 bgx_mac_set : 1; /** Has the BGX MAC been set already */
u64 last_bgx_mac; /** Last BGX MAC address set */
u64 gmx_base; /** Base address to access GMX CSRs */
bool mod_abs; /** True if module is absent */
/**
* User defined function to check if a SFP+ module is absent or not.
*
* @param dev Ethernet device
* @param data User supplied data
*/
int (*check_mod_abs)(struct eth_device *dev, void *data);
/** User supplied data for check_mod_abs */
void *mod_abs_data;
/**
* Called to check the status of a port. This is used for some
* Vitesse and Inphi phys to probe the sFP adapter.
*/
int (*phy_port_check)(struct phy_device *dev);
/**
* Called whenever mod_abs changes state
*
* @param dev Ethernet device
* @param mod_abs True if module is absent
*
* @return 0 for success, otherwise error
*/
int (*mod_abs_changed)(struct eth_device *dev, bool mod_abs);
/** SDK phy information data structure */
cvmx_phy_info_t phy_info;
#ifdef CONFIG_OCTEON_SFP
/** Information about connected SFP/SFP+/SFP28/QSFP+/QSFP28 module */
struct octeon_sfp_info sfp;
#endif
};
/**
* Searches for an ethernet device based on interface and index.
*
* @param interface - interface number to search for
* @param index - index to search for
*
* @returns pointer to ethernet device or NULL if not found.
*/
struct eth_device *octeon_find_eth_by_interface_index(int interface, int index);
/**
* User-defined function called when the link state changes
*
* @param[in] dev Ethernet device
* @param link_state new link state
*
* NOTE: This is defined as a weak function.
*/
void board_net_set_link(struct eth_device *dev, cvmx_helper_link_info_t link_state);
/**
* Registers a function to be called when the link goes down. The function is
* often used for things like reading the SFP+ EEPROM.
*
* @param dev Ethernet device
* @param phy_port_check Function to call
*/
void octeon_eth_register_phy_port_check(struct eth_device *dev,
int (*phy_port_check)(struct phy_device *dev));
/**
* This weak function is called after the phy driver is connected but before
* it is initialized.
*
* @param dev Ethernet device for phy
*
* @return 0 to continue, or -1 for error to stop setting up the phy
*/
int octeon_eth_board_post_setup_phy(struct eth_device *dev);
/**
* Registers a function to be called whenever a mod_abs change is detected.
*
* @param dev Ethernet device
* @param mod_abs_changed Function to be called
*/
void octeon_eth_register_mod_abs_changed(struct eth_device *dev,
int (*mod_abs_changed)(struct eth_device *dev,
bool mod_abs));
/**
* Checks for state changes with the link state or module state
*
* @param dev Ethernet device to check
*
* NOTE: If the module state is changed then the module callback is called.
*/
void octeon_phy_port_check(struct eth_device *dev);
#endif /* __OCTEON_ETH_H__ */
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