linux/drivers/net/dsa/b53/b53_serdes.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Northstar Plus switch SerDes/SGMII PHY main logic
 *
 * Copyright (C) 2018 Florian Fainelli <[email protected]>
 */

#define pr_fmt(fmt) …

#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/phy.h>
#include <linux/phylink.h>
#include <net/dsa.h>

#include "b53_priv.h"
#include "b53_serdes.h"
#include "b53_regs.h"

static inline struct b53_pcs *pcs_to_b53_pcs(struct phylink_pcs *pcs)
{ … }

static void b53_serdes_write_blk(struct b53_device *dev, u8 offset, u16 block,
				 u16 value)
{ … }

static u16 b53_serdes_read_blk(struct b53_device *dev, u8 offset, u16 block)
{ … }

static void b53_serdes_set_lane(struct b53_device *dev, u8 lane)
{ … }

static void b53_serdes_write(struct b53_device *dev, u8 lane,
			     u8 offset, u16 block, u16 value)
{ … }

static u16 b53_serdes_read(struct b53_device *dev, u8 lane,
			   u8 offset, u16 block)
{ … }

static int b53_serdes_config(struct phylink_pcs *pcs, unsigned int neg_mode,
			     phy_interface_t interface,
			     const unsigned long *advertising,
			     bool permit_pause_to_mac)
{ … }

static void b53_serdes_an_restart(struct phylink_pcs *pcs)
{ … }

static void b53_serdes_get_state(struct phylink_pcs *pcs,
				  struct phylink_link_state *state)
{ … }

void b53_serdes_link_set(struct b53_device *dev, int port, unsigned int mode,
			 phy_interface_t interface, bool link_up)
{ … }
EXPORT_SYMBOL(…);

static const struct phylink_pcs_ops b53_pcs_ops = …;

void b53_serdes_phylink_get_caps(struct b53_device *dev, int port,
				 struct phylink_config *config)
{ … }
EXPORT_SYMBOL(…);

struct phylink_pcs *b53_serdes_phylink_mac_select_pcs(struct b53_device *dev,
						      int port,
						      phy_interface_t interface)
{ … }
EXPORT_SYMBOL(…);

int b53_serdes_init(struct b53_device *dev, int port)
{ … }
EXPORT_SYMBOL(…);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;