linux/drivers/net/wan/pc300too.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Cyclades PC300 synchronous serial card driver for Linux
 *
 * Copyright (C) 2000-2008 Krzysztof Halasa <[email protected]>
 *
 * For information see <https://www.kernel.org/pub/linux/utils/net/hdlc/>.
 *
 * Sources of information:
 *    Hitachi HD64572 SCA-II User's Manual
 *    Original Cyclades PC300 Linux driver
 *
 * This driver currently supports only PC300/RSV (V.24/V.35) and
 * PC300/X21 cards.
 */

#define pr_fmt(fmt) …

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/in.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/moduleparam.h>
#include <linux/netdevice.h>
#include <linux/hdlc.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <asm/io.h>

#include "hd64572.h"

#undef DEBUG_PKT
#define DEBUG_RINGS

#define PC300_PLX_SIZE …
#define PC300_SCA_SIZE …
#define MAX_TX_BUFFERS …

static int pci_clock_freq = …;
static int use_crystal_clock;
static unsigned int CLOCK_BASE;

/* Masks to access the init_ctrl PLX register */
#define PC300_CLKSEL_MASK …
#define PC300_CHMEDIA_MASK(port) …
#define PC300_CTYPE_MASK …

enum { … }; /* card types */

/*      PLX PCI9050-1 local configuration and shared runtime registers.
 *      This structure can be used to access 9050 registers (memory mapped).
 */
plx9050;

port_t;

card_t;

#define get_port(card, port) …

#include "hd64572.c"

static void pc300_set_iface(port_t *port)
{ … }

static int pc300_open(struct net_device *dev)
{ … }

static int pc300_close(struct net_device *dev)
{ … }

static int pc300_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
				void __user *data, int cmd)
{ … }

static int pc300_ioctl(struct net_device *dev, struct if_settings *ifs)
{ … }

static void pc300_pci_remove_one(struct pci_dev *pdev)
{ … }

static const struct net_device_ops pc300_ops = …;

static int pc300_pci_init_one(struct pci_dev *pdev,
			      const struct pci_device_id *ent)
{ … }

static const struct pci_device_id pc300_pci_tbl[] = …;

static struct pci_driver pc300_pci_driver = …;

static int __init pc300_init_module(void)
{ … }

static void __exit pc300_cleanup_module(void)
{ … }

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(pci, pc300_pci_tbl);
module_param(pci_clock_freq, int, 0444);
MODULE_PARM_DESC(…) …;
module_param(use_crystal_clock, int, 0444);
MODULE_PARM_DESC(…) …;
module_init(…) …;
module_exit(pc300_cleanup_module);