/* ====================================================================== * * A PCMCIA ethernet driver for the 3com 3c589 card. * * Copyright (C) 1999 David A. Hinds -- [email protected] * * 3c589_cs.c 1.162 2001/10/13 00:08:50 * * The network driver code is based on Donald Becker's 3c589 code: * * Written 1994 by Donald Becker. * Copyright 1993 United States Government as represented by the * Director, National Security Agency. This software may be used and * distributed according to the terms of the GNU General Public License, * incorporated herein by reference. * Donald Becker may be reached at [email protected] * * Updated for 2.5.x by Alan Cox <[email protected]> * * ====================================================================== */ #define pr_fmt(fmt) … #define DRV_NAME … #include <linux/module.h> #include <linux/kernel.h> #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/in.h> #include <linux/delay.h> #include <linux/ethtool.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include <linux/if_arp.h> #include <linux/ioport.h> #include <linux/bitops.h> #include <linux/jiffies.h> #include <linux/uaccess.h> #include <linux/io.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ciscode.h> #include <pcmcia/ds.h> /* To minimize the size of the driver source I only define operating * constants if they are used several times. You'll need the manual * if you want to understand driver details. */ /* Offsets from base I/O address. */ #define EL3_DATA … #define EL3_TIMER … #define EL3_CMD … #define EL3_STATUS … #define EEPROM_READ … #define EEPROM_BUSY … #define EL3WINDOW(win_num) … /* The top five bits written to EL3_CMD are a command, the lower * 11 bits are the parameter, if applicable. */ enum c509cmd { … }; enum c509status { … }; /* The SetRxFilter command accepts the following classes: */ enum RxFilter { … }; /* Register window 1 offsets, the window used in normal operation. */ #define TX_FIFO … #define RX_FIFO … #define RX_STATUS … #define TX_STATUS … #define TX_FREE … #define WN0_IRQ … #define WN4_MEDIA … #define MEDIA_TP … #define MEDIA_LED … /* Time in jiffies before concluding Tx hung */ #define TX_TIMEOUT … struct el3_private { … }; static const char *if_names[] = …; /*====================================================================*/ /* Module parameters */ MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; #define INT_MODULE_PARM(n, v) … /* Special hook for setting if_port when module is loaded */ INT_MODULE_PARM(if_port, 0); /*====================================================================*/ static int tc589_config(struct pcmcia_device *link); static void tc589_release(struct pcmcia_device *link); static u16 read_eeprom(unsigned int ioaddr, int index); static void tc589_reset(struct net_device *dev); static void media_check(struct timer_list *t); static int el3_config(struct net_device *dev, struct ifmap *map); static int el3_open(struct net_device *dev); static netdev_tx_t el3_start_xmit(struct sk_buff *skb, struct net_device *dev); static irqreturn_t el3_interrupt(int irq, void *dev_id); static void update_stats(struct net_device *dev); static struct net_device_stats *el3_get_stats(struct net_device *dev); static int el3_rx(struct net_device *dev); static int el3_close(struct net_device *dev); static void el3_tx_timeout(struct net_device *dev, unsigned int txqueue); static void set_rx_mode(struct net_device *dev); static void set_multicast_list(struct net_device *dev); static const struct ethtool_ops netdev_ethtool_ops; static void tc589_detach(struct pcmcia_device *p_dev); static const struct net_device_ops el3_netdev_ops = …; static int tc589_probe(struct pcmcia_device *link) { … } static void tc589_detach(struct pcmcia_device *link) { … } /* tc589_detach */ static int tc589_config(struct pcmcia_device *link) { … } /* tc589_config */ static void tc589_release(struct pcmcia_device *link) { … } static int tc589_suspend(struct pcmcia_device *link) { … } static int tc589_resume(struct pcmcia_device *link) { … } /*====================================================================*/ /* Use this for commands that may take time to finish */ static void tc589_wait_for_completion(struct net_device *dev, int cmd) { … } /* Read a word from the EEPROM using the regular EEPROM access register. * Assume that we are in register window zero. */ static u16 read_eeprom(unsigned int ioaddr, int index) { … } /* Set transceiver type, perhaps to something other than what the user * specified in dev->if_port. */ static void tc589_set_xcvr(struct net_device *dev, int if_port) { … } static void dump_status(struct net_device *dev) { … } /* Reset and restore all of the 3c589 registers. */ static void tc589_reset(struct net_device *dev) { … } static void netdev_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { … } static const struct ethtool_ops netdev_ethtool_ops = …; static int el3_config(struct net_device *dev, struct ifmap *map) { … } static int el3_open(struct net_device *dev) { … } static void el3_tx_timeout(struct net_device *dev, unsigned int txqueue) { … } static void pop_tx_status(struct net_device *dev) { … } static netdev_tx_t el3_start_xmit(struct sk_buff *skb, struct net_device *dev) { … } /* The EL3 interrupt handler. */ static irqreturn_t el3_interrupt(int irq, void *dev_id) { … } static void media_check(struct timer_list *t) { … } static struct net_device_stats *el3_get_stats(struct net_device *dev) { … } /* Update statistics. We change to register window 6, so this should be run * single-threaded if the device is active. This is expected to be a rare * operation, and it's simpler for the rest of the driver to assume that * window 1 is always valid rather than use a special window-state variable. * * Caller must hold the lock for this */ static void update_stats(struct net_device *dev) { … } static int el3_rx(struct net_device *dev) { … } static void set_rx_mode(struct net_device *dev) { … } static void set_multicast_list(struct net_device *dev) { … } static int el3_close(struct net_device *dev) { … } static const struct pcmcia_device_id tc589_ids[] = …; MODULE_DEVICE_TABLE(pcmcia, tc589_ids); static struct pcmcia_driver tc589_driver = …; module_pcmcia_driver(…);
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