linux/drivers/net/ethernet/wiznet/w5100-spi.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Ethernet driver for the WIZnet W5100/W5200/W5500 chip.
 *
 * Copyright (C) 2016 Akinobu Mita <[email protected]>
 *
 * Datasheet:
 * http://www.wiznet.co.kr/wp-content/uploads/wiznethome/Chip/W5100/Document/W5100_Datasheet_v1.2.6.pdf
 * http://wiznethome.cafe24.com/wp-content/uploads/wiznethome/Chip/W5200/Documents/W5200_DS_V140E.pdf
 * http://wizwiki.net/wiki/lib/exe/fetch.php?media=products:w5500:w5500_ds_v106e_141230.pdf
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/of.h>
#include <linux/of_net.h>
#include <linux/spi/spi.h>

#include "w5100.h"

#define W5100_SPI_WRITE_OPCODE …
#define W5100_SPI_READ_OPCODE …

static int w5100_spi_read(struct net_device *ndev, u32 addr)
{ … }

static int w5100_spi_write(struct net_device *ndev, u32 addr, u8 data)
{ … }

static int w5100_spi_read16(struct net_device *ndev, u32 addr)
{ … }

static int w5100_spi_write16(struct net_device *ndev, u32 addr, u16 data)
{ … }

static int w5100_spi_readbulk(struct net_device *ndev, u32 addr, u8 *buf,
			      int len)
{ … }

static int w5100_spi_writebulk(struct net_device *ndev, u32 addr, const u8 *buf,
			       int len)
{ … }

static const struct w5100_ops w5100_spi_ops = …;

#define W5200_SPI_WRITE_OPCODE …

struct w5200_spi_priv { … };

static struct w5200_spi_priv *w5200_spi_priv(struct net_device *ndev)
{ … }

static int w5200_spi_init(struct net_device *ndev)
{ … }

static int w5200_spi_read(struct net_device *ndev, u32 addr)
{ … }

static int w5200_spi_write(struct net_device *ndev, u32 addr, u8 data)
{ … }

static int w5200_spi_read16(struct net_device *ndev, u32 addr)
{ … }

static int w5200_spi_write16(struct net_device *ndev, u32 addr, u16 data)
{ … }

static int w5200_spi_readbulk(struct net_device *ndev, u32 addr, u8 *buf,
			      int len)
{ … }

static int w5200_spi_writebulk(struct net_device *ndev, u32 addr, const u8 *buf,
			       int len)
{ … }

static const struct w5100_ops w5200_ops = …;

#define W5500_SPI_BLOCK_SELECT(addr) …
#define W5500_SPI_READ_CONTROL(addr) …
#define W5500_SPI_WRITE_CONTROL(addr) …

struct w5500_spi_priv { … };

static struct w5500_spi_priv *w5500_spi_priv(struct net_device *ndev)
{ … }

static int w5500_spi_init(struct net_device *ndev)
{ … }

static int w5500_spi_read(struct net_device *ndev, u32 addr)
{ … }

static int w5500_spi_write(struct net_device *ndev, u32 addr, u8 data)
{ … }

static int w5500_spi_read16(struct net_device *ndev, u32 addr)
{ … }

static int w5500_spi_write16(struct net_device *ndev, u32 addr, u16 data)
{ … }

static int w5500_spi_readbulk(struct net_device *ndev, u32 addr, u8 *buf,
			      int len)
{ … }

static int w5500_spi_writebulk(struct net_device *ndev, u32 addr, const u8 *buf,
			       int len)
{ … }

static const struct w5100_ops w5500_ops = …;

static const struct of_device_id w5100_of_match[] = …;
MODULE_DEVICE_TABLE(of, w5100_of_match);

static int w5100_spi_probe(struct spi_device *spi)
{ … }

static void w5100_spi_remove(struct spi_device *spi)
{ … }

static const struct spi_device_id w5100_spi_ids[] = …;
MODULE_DEVICE_TABLE(spi, w5100_spi_ids);

static struct spi_driver w5100_spi_driver = …;
module_spi_driver(…) …;

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