1 /* ======================================================================
3 * A PCMCIA ethernet driver for the 3com 3c589 card.
5 * Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
7 * 3c589_cs.c 1.162 2001/10/13 00:08:50
9 * The network driver code is based on Donald Becker's 3c589 code:
11 * Written 1994 by Donald Becker.
12 * Copyright 1993 United States Government as represented by the
13 * Director, National Security Agency. This software may be used and
14 * distributed according to the terms of the GNU General Public License,
15 * incorporated herein by reference.
16 * Donald Becker may be reached at becker@scyld.com
18 * Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk>
20 * ======================================================================
23 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
25 #define DRV_NAME "3c589_cs"
27 #include <linux/module.h>
28 #include <linux/kernel.h>
29 #include <linux/ptrace.h>
30 #include <linux/slab.h>
31 #include <linux/string.h>
32 #include <linux/timer.h>
33 #include <linux/interrupt.h>
35 #include <linux/delay.h>
36 #include <linux/ethtool.h>
37 #include <linux/netdevice.h>
38 #include <linux/etherdevice.h>
39 #include <linux/skbuff.h>
40 #include <linux/if_arp.h>
41 #include <linux/ioport.h>
42 #include <linux/bitops.h>
43 #include <linux/jiffies.h>
44 #include <linux/uaccess.h>
47 #include <pcmcia/cistpl.h>
48 #include <pcmcia/cisreg.h>
49 #include <pcmcia/ciscode.h>
50 #include <pcmcia/ds.h>
53 /* To minimize the size of the driver source I only define operating
54 * constants if they are used several times. You'll need the manual
55 * if you want to understand driver details.
58 /* Offsets from base I/O address. */
60 #define EL3_TIMER 0x0a
62 #define EL3_STATUS 0x0e
64 #define EEPROM_READ 0x0080
65 #define EEPROM_BUSY 0x8000
67 #define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD)
69 /* The top five bits written to EL3_CMD are a command, the lower
70 * 11 bits are the parameter, if applicable.
87 SetStatusEnb = 15<<11,
89 SetRxThreshold = 17<<11,
90 SetTxThreshold = 18<<11,
93 StatsDisable = 22<<11,
99 AdapterFailure = 0x0002,
101 TxAvailable = 0x0008,
109 /* The SetRxFilter command accepts the following classes: */
117 /* Register window 1 offsets, the window used in normal operation. */
120 #define RX_STATUS 0x08
121 #define TX_STATUS 0x0B
122 #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
124 #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */
125 #define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */
126 #define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */
127 #define MEDIA_LED 0x0001 /* Enable link light on 3C589E cards. */
129 /* Time in jiffies before concluding Tx hung */
130 #define TX_TIMEOUT ((400*HZ)/1000)
133 struct pcmcia_device *p_dev;
134 /* For transceiver monitoring */
135 struct timer_list media;
138 unsigned long last_irq;
142 static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" };
144 /*====================================================================*/
146 /* Module parameters */
148 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
149 MODULE_DESCRIPTION("3Com 3c589 series PCMCIA ethernet driver");
150 MODULE_LICENSE("GPL");
152 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
154 /* Special hook for setting if_port when module is loaded */
155 INT_MODULE_PARM(if_port, 0);
158 /*====================================================================*/
160 static int tc589_config(struct pcmcia_device *link);
161 static void tc589_release(struct pcmcia_device *link);
163 static u16 read_eeprom(unsigned int ioaddr, int index);
164 static void tc589_reset(struct net_device *dev);
165 static void media_check(struct timer_list *t);
166 static int el3_config(struct net_device *dev, struct ifmap *map);
167 static int el3_open(struct net_device *dev);
168 static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
169 struct net_device *dev);
170 static irqreturn_t el3_interrupt(int irq, void *dev_id);
171 static void update_stats(struct net_device *dev);
172 static struct net_device_stats *el3_get_stats(struct net_device *dev);
173 static int el3_rx(struct net_device *dev);
174 static int el3_close(struct net_device *dev);
175 static void el3_tx_timeout(struct net_device *dev, unsigned int txqueue);
176 static void set_rx_mode(struct net_device *dev);
177 static void set_multicast_list(struct net_device *dev);
178 static const struct ethtool_ops netdev_ethtool_ops;
180 static void tc589_detach(struct pcmcia_device *p_dev);
182 static const struct net_device_ops el3_netdev_ops = {
183 .ndo_open = el3_open,
184 .ndo_stop = el3_close,
185 .ndo_start_xmit = el3_start_xmit,
186 .ndo_tx_timeout = el3_tx_timeout,
187 .ndo_set_config = el3_config,
188 .ndo_get_stats = el3_get_stats,
189 .ndo_set_rx_mode = set_multicast_list,
190 .ndo_set_mac_address = eth_mac_addr,
191 .ndo_validate_addr = eth_validate_addr,
194 static int tc589_probe(struct pcmcia_device *link)
196 struct el3_private *lp;
197 struct net_device *dev;
200 dev_dbg(&link->dev, "3c589_attach()\n");
202 /* Create new ethernet device */
203 dev = alloc_etherdev(sizeof(struct el3_private));
206 lp = netdev_priv(dev);
210 spin_lock_init(&lp->lock);
211 link->resource[0]->end = 16;
212 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
214 link->config_flags |= CONF_ENABLE_IRQ;
215 link->config_index = 1;
217 dev->netdev_ops = &el3_netdev_ops;
218 dev->watchdog_timeo = TX_TIMEOUT;
220 dev->ethtool_ops = &netdev_ethtool_ops;
222 ret = tc589_config(link);
224 goto err_free_netdev;
233 static void tc589_detach(struct pcmcia_device *link)
235 struct net_device *dev = link->priv;
237 dev_dbg(&link->dev, "3c589_detach\n");
239 unregister_netdev(dev);
246 static int tc589_config(struct pcmcia_device *link)
248 struct net_device *dev = link->priv;
250 int ret, i, j, multi = 0, fifo;
252 static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
256 dev_dbg(&link->dev, "3c589_config\n");
258 phys_addr = (__be16 *)dev->dev_addr;
259 /* Is this a 3c562? */
260 if (link->manf_id != MANFID_3COM)
261 dev_info(&link->dev, "hmmm, is this really a 3Com card??\n");
262 multi = (link->card_id == PRODID_3COM_3C562);
266 /* For the 3c562, the base address must be xx00-xx7f */
267 for (i = j = 0; j < 0x400; j += 0x10) {
268 if (multi && (j & 0x80))
270 link->resource[0]->start = j ^ 0x300;
271 i = pcmcia_request_io(link);
278 ret = pcmcia_request_irq(link, el3_interrupt);
282 ret = pcmcia_enable_device(link);
286 dev->irq = link->irq;
287 dev->base_addr = link->resource[0]->start;
288 ioaddr = dev->base_addr;
291 /* The 3c589 has an extra EEPROM for configuration info, including
292 * the hardware address. The 3c562 puts the address in the CIS.
294 len = pcmcia_get_tuple(link, 0x88, &buf);
295 if (buf && len >= 6) {
296 for (i = 0; i < 3; i++)
297 phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
300 kfree(buf); /* 0 < len < 6 */
301 for (i = 0; i < 3; i++)
302 phys_addr[i] = htons(read_eeprom(ioaddr, i));
303 if (phys_addr[0] == htons(0x6060)) {
304 dev_err(&link->dev, "IO port conflict at 0x%03lx-0x%03lx\n",
305 dev->base_addr, dev->base_addr+15);
310 /* The address and resource configuration register aren't loaded from
311 * the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version.
314 outw(0x3f00, ioaddr + 8);
317 /* The if_port symbol can be set when the module is loaded */
318 if ((if_port >= 0) && (if_port <= 3))
319 dev->if_port = if_port;
321 dev_err(&link->dev, "invalid if_port requested\n");
323 SET_NETDEV_DEV(dev, &link->dev);
325 if (register_netdev(dev) != 0) {
326 dev_err(&link->dev, "register_netdev() failed\n");
330 netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
331 (multi ? "562" : "589"), dev->base_addr, dev->irq,
333 netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n",
334 (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
335 if_names[dev->if_port]);
343 static void tc589_release(struct pcmcia_device *link)
345 pcmcia_disable_device(link);
348 static int tc589_suspend(struct pcmcia_device *link)
350 struct net_device *dev = link->priv;
353 netif_device_detach(dev);
358 static int tc589_resume(struct pcmcia_device *link)
360 struct net_device *dev = link->priv;
364 netif_device_attach(dev);
370 /*====================================================================*/
372 /* Use this for commands that may take time to finish */
374 static void tc589_wait_for_completion(struct net_device *dev, int cmd)
377 outw(cmd, dev->base_addr + EL3_CMD);
379 if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000))
382 netdev_warn(dev, "command 0x%04x did not complete!\n", cmd);
385 /* Read a word from the EEPROM using the regular EEPROM access register.
386 * Assume that we are in register window zero.
389 static u16 read_eeprom(unsigned int ioaddr, int index)
392 outw(EEPROM_READ + index, ioaddr + 10);
393 /* Reading the eeprom takes 162 us */
394 for (i = 1620; i >= 0; i--)
395 if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0)
397 return inw(ioaddr + 12);
400 /* Set transceiver type, perhaps to something other than what the user
401 * specified in dev->if_port.
404 static void tc589_set_xcvr(struct net_device *dev, int if_port)
406 struct el3_private *lp = netdev_priv(dev);
407 unsigned int ioaddr = dev->base_addr;
416 outw(3<<14, ioaddr + 6);
419 outw(1<<14, ioaddr + 6);
422 /* On PCMCIA, this just turns on the LED */
423 outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD);
424 /* 10baseT interface, enable link beat and jabber check. */
426 outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA);
429 lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000);
431 lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800);
434 static void dump_status(struct net_device *dev)
436 unsigned int ioaddr = dev->base_addr;
438 netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n",
439 inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS),
440 inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE));
442 netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n",
443 inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08),
448 /* Reset and restore all of the 3c589 registers. */
449 static void tc589_reset(struct net_device *dev)
451 unsigned int ioaddr = dev->base_addr;
455 outw(0x0001, ioaddr + 4); /* Activate board. */
456 outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */
458 /* Set the station address in window 2. */
460 for (i = 0; i < 6; i++)
461 outb(dev->dev_addr[i], ioaddr + i);
463 tc589_set_xcvr(dev, dev->if_port);
465 /* Switch to the stats window, and clear all stats by reading. */
466 outw(StatsDisable, ioaddr + EL3_CMD);
468 for (i = 0; i < 9; i++)
473 /* Switch to register set 1 for normal use. */
477 outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
478 outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
479 outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
480 /* Allow status bits to be seen. */
481 outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
482 /* Ack all pending events, and set active indicator mask. */
483 outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
485 outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull
486 | AdapterFailure, ioaddr + EL3_CMD);
489 static void netdev_get_drvinfo(struct net_device *dev,
490 struct ethtool_drvinfo *info)
492 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
493 snprintf(info->bus_info, sizeof(info->bus_info),
494 "PCMCIA 0x%lx", dev->base_addr);
497 static const struct ethtool_ops netdev_ethtool_ops = {
498 .get_drvinfo = netdev_get_drvinfo,
501 static int el3_config(struct net_device *dev, struct ifmap *map)
503 if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
504 if (map->port <= 3) {
505 dev->if_port = map->port;
506 netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]);
507 tc589_set_xcvr(dev, dev->if_port);
515 static int el3_open(struct net_device *dev)
517 struct el3_private *lp = netdev_priv(dev);
518 struct pcmcia_device *link = lp->p_dev;
520 if (!pcmcia_dev_present(link))
524 netif_start_queue(dev);
527 timer_setup(&lp->media, media_check, 0);
528 mod_timer(&lp->media, jiffies + HZ);
530 dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
531 dev->name, inw(dev->base_addr + EL3_STATUS));
536 static void el3_tx_timeout(struct net_device *dev, unsigned int txqueue)
538 unsigned int ioaddr = dev->base_addr;
540 netdev_warn(dev, "Transmit timed out!\n");
542 dev->stats.tx_errors++;
543 netif_trans_update(dev); /* prevent tx timeout */
544 /* Issue TX_RESET and TX_START commands. */
545 tc589_wait_for_completion(dev, TxReset);
546 outw(TxEnable, ioaddr + EL3_CMD);
547 netif_wake_queue(dev);
550 static void pop_tx_status(struct net_device *dev)
552 unsigned int ioaddr = dev->base_addr;
555 /* Clear the Tx status stack. */
556 for (i = 32; i > 0; i--) {
557 u_char tx_status = inb(ioaddr + TX_STATUS);
558 if (!(tx_status & 0x84))
560 /* reset transmitter on jabber error or underrun */
561 if (tx_status & 0x30)
562 tc589_wait_for_completion(dev, TxReset);
563 if (tx_status & 0x38) {
564 netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status);
565 outw(TxEnable, ioaddr + EL3_CMD);
566 dev->stats.tx_aborted_errors++;
568 outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
572 static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
573 struct net_device *dev)
575 unsigned int ioaddr = dev->base_addr;
576 struct el3_private *priv = netdev_priv(dev);
579 netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n",
580 (long)skb->len, inw(ioaddr + EL3_STATUS));
582 spin_lock_irqsave(&priv->lock, flags);
584 dev->stats.tx_bytes += skb->len;
586 /* Put out the doubleword header... */
587 outw(skb->len, ioaddr + TX_FIFO);
588 outw(0x00, ioaddr + TX_FIFO);
589 /* ... and the packet rounded to a doubleword. */
590 outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
592 if (inw(ioaddr + TX_FREE) <= 1536) {
593 netif_stop_queue(dev);
594 /* Interrupt us when the FIFO has room for max-sized packet. */
595 outw(SetTxThreshold + 1536, ioaddr + EL3_CMD);
599 spin_unlock_irqrestore(&priv->lock, flags);
605 /* The EL3 interrupt handler. */
606 static irqreturn_t el3_interrupt(int irq, void *dev_id)
608 struct net_device *dev = (struct net_device *) dev_id;
609 struct el3_private *lp = netdev_priv(dev);
612 int i = 0, handled = 1;
614 if (!netif_device_present(dev))
617 ioaddr = dev->base_addr;
619 netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS));
621 spin_lock(&lp->lock);
622 while ((status = inw(ioaddr + EL3_STATUS)) &
623 (IntLatch | RxComplete | StatsFull)) {
624 if ((status & 0xe000) != 0x2000) {
625 netdev_dbg(dev, "interrupt from dead card\n");
629 if (status & RxComplete)
631 if (status & TxAvailable) {
632 netdev_dbg(dev, " TX room bit was handled.\n");
633 /* There's room in the FIFO for a full-sized packet. */
634 outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
635 netif_wake_queue(dev);
637 if (status & TxComplete)
639 if (status & (AdapterFailure | RxEarly | StatsFull)) {
640 /* Handle all uncommon interrupts. */
641 if (status & StatsFull) /* Empty statistics. */
643 if (status & RxEarly) {
644 /* Rx early is unused. */
646 outw(AckIntr | RxEarly, ioaddr + EL3_CMD);
648 if (status & AdapterFailure) {
651 fifo_diag = inw(ioaddr + 4);
653 netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n",
655 if (fifo_diag & 0x0400) {
657 tc589_wait_for_completion(dev, TxReset);
658 outw(TxEnable, ioaddr + EL3_CMD);
660 if (fifo_diag & 0x2000) {
662 tc589_wait_for_completion(dev, RxReset);
664 outw(RxEnable, ioaddr + EL3_CMD);
666 outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
670 netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n",
672 /* Clear all interrupts */
673 outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
676 /* Acknowledge the IRQ. */
677 outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD);
679 lp->last_irq = jiffies;
680 spin_unlock(&lp->lock);
681 netdev_dbg(dev, "exiting interrupt, status %4.4x.\n",
682 inw(ioaddr + EL3_STATUS));
683 return IRQ_RETVAL(handled);
686 static void media_check(struct timer_list *t)
688 struct el3_private *lp = from_timer(lp, t, media);
689 struct net_device *dev = lp->p_dev->priv;
690 unsigned int ioaddr = dev->base_addr;
694 if (!netif_device_present(dev))
697 /* Check for pending interrupt with expired latency timer: with
698 * this, we can limp along even if the interrupt is blocked
700 if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
701 (inb(ioaddr + EL3_TIMER) == 0xff)) {
703 netdev_warn(dev, "interrupt(s) dropped!\n");
705 local_irq_save(flags);
706 el3_interrupt(dev->irq, dev);
707 local_irq_restore(flags);
713 lp->media.expires = jiffies + HZ/100;
714 add_timer(&lp->media);
718 /* lp->lock guards the EL3 window. Window should always be 1 except
719 * when the lock is held
722 spin_lock_irqsave(&lp->lock, flags);
724 media = inw(ioaddr+WN4_MEDIA) & 0xc810;
726 /* Ignore collisions unless we've had no irq's recently */
727 if (time_before(jiffies, lp->last_irq + HZ)) {
730 /* Try harder to detect carrier errors */
732 outw(StatsDisable, ioaddr + EL3_CMD);
733 errs = inb(ioaddr + 0);
734 outw(StatsEnable, ioaddr + EL3_CMD);
735 dev->stats.tx_carrier_errors += errs;
736 if (errs || (lp->media_status & 0x0010))
740 if (media != lp->media_status) {
741 if ((media & lp->media_status & 0x8000) &&
742 ((lp->media_status ^ media) & 0x0800))
743 netdev_info(dev, "%s link beat\n",
744 (lp->media_status & 0x0800 ? "lost" : "found"));
745 else if ((media & lp->media_status & 0x4000) &&
746 ((lp->media_status ^ media) & 0x0010))
747 netdev_info(dev, "coax cable %s\n",
748 (lp->media_status & 0x0010 ? "ok" : "problem"));
749 if (dev->if_port == 0) {
750 if (media & 0x8000) {
752 netdev_info(dev, "flipped to 10baseT\n");
754 tc589_set_xcvr(dev, 2);
755 } else if (media & 0x4000) {
757 tc589_set_xcvr(dev, 1);
759 netdev_info(dev, "flipped to 10base2\n");
762 lp->media_status = media;
766 spin_unlock_irqrestore(&lp->lock, flags);
769 lp->media.expires = jiffies + HZ;
770 add_timer(&lp->media);
773 static struct net_device_stats *el3_get_stats(struct net_device *dev)
775 struct el3_private *lp = netdev_priv(dev);
777 struct pcmcia_device *link = lp->p_dev;
779 if (pcmcia_dev_present(link)) {
780 spin_lock_irqsave(&lp->lock, flags);
782 spin_unlock_irqrestore(&lp->lock, flags);
787 /* Update statistics. We change to register window 6, so this should be run
788 * single-threaded if the device is active. This is expected to be a rare
789 * operation, and it's simpler for the rest of the driver to assume that
790 * window 1 is always valid rather than use a special window-state variable.
792 * Caller must hold the lock for this
795 static void update_stats(struct net_device *dev)
797 unsigned int ioaddr = dev->base_addr;
799 netdev_dbg(dev, "updating the statistics.\n");
800 /* Turn off statistics updates while reading. */
801 outw(StatsDisable, ioaddr + EL3_CMD);
802 /* Switch to the stats window, and read everything. */
804 dev->stats.tx_carrier_errors += inb(ioaddr + 0);
805 dev->stats.tx_heartbeat_errors += inb(ioaddr + 1);
806 /* Multiple collisions. */
808 dev->stats.collisions += inb(ioaddr + 3);
809 dev->stats.tx_window_errors += inb(ioaddr + 4);
810 dev->stats.rx_fifo_errors += inb(ioaddr + 5);
811 dev->stats.tx_packets += inb(ioaddr + 6);
821 /* Back to window 1, and turn statistics back on. */
823 outw(StatsEnable, ioaddr + EL3_CMD);
826 static int el3_rx(struct net_device *dev)
828 unsigned int ioaddr = dev->base_addr;
832 netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n",
833 inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
834 while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) &&
837 if (rx_status & 0x4000) { /* Error, update stats. */
838 short error = rx_status & 0x3800;
839 dev->stats.rx_errors++;
842 dev->stats.rx_over_errors++;
845 dev->stats.rx_length_errors++;
848 dev->stats.rx_frame_errors++;
851 dev->stats.rx_length_errors++;
854 dev->stats.rx_frame_errors++;
857 dev->stats.rx_crc_errors++;
861 short pkt_len = rx_status & 0x7ff;
864 skb = netdev_alloc_skb(dev, pkt_len + 5);
866 netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n",
870 insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len),
872 skb->protocol = eth_type_trans(skb, dev);
874 dev->stats.rx_packets++;
875 dev->stats.rx_bytes += pkt_len;
877 netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n",
879 dev->stats.rx_dropped++;
882 /* Pop the top of the Rx FIFO */
883 tc589_wait_for_completion(dev, RxDiscard);
886 netdev_warn(dev, "too much work in el3_rx!\n");
890 static void set_rx_mode(struct net_device *dev)
892 unsigned int ioaddr = dev->base_addr;
893 u16 opts = SetRxFilter | RxStation | RxBroadcast;
895 if (dev->flags & IFF_PROMISC)
896 opts |= RxMulticast | RxProm;
897 else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI))
899 outw(opts, ioaddr + EL3_CMD);
902 static void set_multicast_list(struct net_device *dev)
904 struct el3_private *priv = netdev_priv(dev);
907 spin_lock_irqsave(&priv->lock, flags);
909 spin_unlock_irqrestore(&priv->lock, flags);
912 static int el3_close(struct net_device *dev)
914 struct el3_private *lp = netdev_priv(dev);
915 struct pcmcia_device *link = lp->p_dev;
916 unsigned int ioaddr = dev->base_addr;
918 dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name);
920 if (pcmcia_dev_present(link)) {
921 /* Turn off statistics ASAP. We update dev->stats below. */
922 outw(StatsDisable, ioaddr + EL3_CMD);
924 /* Disable the receiver and transmitter. */
925 outw(RxDisable, ioaddr + EL3_CMD);
926 outw(TxDisable, ioaddr + EL3_CMD);
928 if (dev->if_port == 2)
929 /* Turn off thinnet power. Green! */
930 outw(StopCoax, ioaddr + EL3_CMD);
931 else if (dev->if_port == 1) {
932 /* Disable link beat and jabber */
934 outw(0, ioaddr + WN4_MEDIA);
937 /* Switching back to window 0 disables the IRQ. */
939 /* But we explicitly zero the IRQ line select anyway. */
940 outw(0x0f00, ioaddr + WN0_IRQ);
942 /* Check if the card still exists */
943 if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000)
948 netif_stop_queue(dev);
949 del_timer_sync(&lp->media);
954 static const struct pcmcia_device_id tc589_ids[] = {
955 PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0101, 0x0562),
956 PCMCIA_MFC_DEVICE_PROD_ID1(0, "Motorola MARQUIS", 0xf03e4e77),
957 PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0589),
958 PCMCIA_DEVICE_PROD_ID12("Farallon", "ENet", 0x58d93fc4, 0x992c2202),
959 PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x0035, "cis/3CXEM556.cis"),
960 PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x003d, "cis/3CXEM556.cis"),
963 MODULE_DEVICE_TABLE(pcmcia, tc589_ids);
965 static struct pcmcia_driver tc589_driver = {
966 .owner = THIS_MODULE,
968 .probe = tc589_probe,
969 .remove = tc589_detach,
970 .id_table = tc589_ids,
971 .suspend = tc589_suspend,
972 .resume = tc589_resume,
974 module_pcmcia_driver(tc589_driver);