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"
26 #define DRV_VERSION "1.162-ac"
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/ptrace.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/interrupt.h>
36 #include <linux/delay.h>
37 #include <linux/ethtool.h>
38 #include <linux/netdevice.h>
39 #include <linux/etherdevice.h>
40 #include <linux/skbuff.h>
41 #include <linux/if_arp.h>
42 #include <linux/ioport.h>
43 #include <linux/bitops.h>
44 #include <linux/jiffies.h>
45 #include <linux/uaccess.h>
48 #include <pcmcia/cistpl.h>
49 #include <pcmcia/cisreg.h>
50 #include <pcmcia/ciscode.h>
51 #include <pcmcia/ds.h>
54 /* To minimize the size of the driver source I only define operating
55 * constants if they are used several times. You'll need the manual
56 * if you want to understand driver details.
59 /* Offsets from base I/O address. */
61 #define EL3_TIMER 0x0a
63 #define EL3_STATUS 0x0e
65 #define EEPROM_READ 0x0080
66 #define EEPROM_BUSY 0x8000
68 #define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD)
70 /* The top five bits written to EL3_CMD are a command, the lower
71 * 11 bits are the parameter, if applicable.
88 SetStatusEnb = 15<<11,
90 SetRxThreshold = 17<<11,
91 SetTxThreshold = 18<<11,
94 StatsDisable = 22<<11,
100 AdapterFailure = 0x0002,
102 TxAvailable = 0x0008,
110 /* The SetRxFilter command accepts the following classes: */
118 /* Register window 1 offsets, the window used in normal operation. */
121 #define RX_STATUS 0x08
122 #define TX_STATUS 0x0B
123 #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
125 #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */
126 #define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */
127 #define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */
128 #define MEDIA_LED 0x0001 /* Enable link light on 3C589E cards. */
130 /* Time in jiffies before concluding Tx hung */
131 #define TX_TIMEOUT ((400*HZ)/1000)
134 struct pcmcia_device *p_dev;
135 /* For transceiver monitoring */
136 struct timer_list media;
139 unsigned long last_irq;
143 static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" };
145 /*====================================================================*/
147 /* Module parameters */
149 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
150 MODULE_DESCRIPTION("3Com 3c589 series PCMCIA ethernet driver");
151 MODULE_LICENSE("GPL");
153 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
155 /* Special hook for setting if_port when module is loaded */
156 INT_MODULE_PARM(if_port, 0);
159 /*====================================================================*/
161 static int tc589_config(struct pcmcia_device *link);
162 static void tc589_release(struct pcmcia_device *link);
164 static u16 read_eeprom(unsigned int ioaddr, int index);
165 static void tc589_reset(struct net_device *dev);
166 static void media_check(unsigned long arg);
167 static int el3_config(struct net_device *dev, struct ifmap *map);
168 static int el3_open(struct net_device *dev);
169 static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
170 struct net_device *dev);
171 static irqreturn_t el3_interrupt(int irq, void *dev_id);
172 static void update_stats(struct net_device *dev);
173 static struct net_device_stats *el3_get_stats(struct net_device *dev);
174 static int el3_rx(struct net_device *dev);
175 static int el3_close(struct net_device *dev);
176 static void el3_tx_timeout(struct net_device *dev);
177 static void set_rx_mode(struct net_device *dev);
178 static void set_multicast_list(struct net_device *dev);
179 static const struct ethtool_ops netdev_ethtool_ops;
181 static void tc589_detach(struct pcmcia_device *p_dev);
183 static const struct net_device_ops el3_netdev_ops = {
184 .ndo_open = el3_open,
185 .ndo_stop = el3_close,
186 .ndo_start_xmit = el3_start_xmit,
187 .ndo_tx_timeout = el3_tx_timeout,
188 .ndo_set_config = el3_config,
189 .ndo_get_stats = el3_get_stats,
190 .ndo_set_rx_mode = set_multicast_list,
191 .ndo_change_mtu = eth_change_mtu,
192 .ndo_set_mac_address = eth_mac_addr,
193 .ndo_validate_addr = eth_validate_addr,
196 static int tc589_probe(struct pcmcia_device *link)
198 struct el3_private *lp;
199 struct net_device *dev;
201 dev_dbg(&link->dev, "3c589_attach()\n");
203 /* Create new ethernet device */
204 dev = alloc_etherdev(sizeof(struct el3_private));
207 lp = netdev_priv(dev);
211 spin_lock_init(&lp->lock);
212 link->resource[0]->end = 16;
213 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
215 link->config_flags |= CONF_ENABLE_IRQ;
216 link->config_index = 1;
218 dev->netdev_ops = &el3_netdev_ops;
219 dev->watchdog_timeo = TX_TIMEOUT;
221 dev->ethtool_ops = &netdev_ethtool_ops;
223 return tc589_config(link);
226 static void tc589_detach(struct pcmcia_device *link)
228 struct net_device *dev = link->priv;
230 dev_dbg(&link->dev, "3c589_detach\n");
232 unregister_netdev(dev);
239 static int tc589_config(struct pcmcia_device *link)
241 struct net_device *dev = link->priv;
243 int ret, i, j, multi = 0, fifo;
245 static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
249 dev_dbg(&link->dev, "3c589_config\n");
251 phys_addr = (__be16 *)dev->dev_addr;
252 /* Is this a 3c562? */
253 if (link->manf_id != MANFID_3COM)
254 dev_info(&link->dev, "hmmm, is this really a 3Com card??\n");
255 multi = (link->card_id == PRODID_3COM_3C562);
259 /* For the 3c562, the base address must be xx00-xx7f */
260 for (i = j = 0; j < 0x400; j += 0x10) {
261 if (multi && (j & 0x80))
263 link->resource[0]->start = j ^ 0x300;
264 i = pcmcia_request_io(link);
271 ret = pcmcia_request_irq(link, el3_interrupt);
275 ret = pcmcia_enable_device(link);
279 dev->irq = link->irq;
280 dev->base_addr = link->resource[0]->start;
281 ioaddr = dev->base_addr;
284 /* The 3c589 has an extra EEPROM for configuration info, including
285 * the hardware address. The 3c562 puts the address in the CIS.
287 len = pcmcia_get_tuple(link, 0x88, &buf);
288 if (buf && len >= 6) {
289 for (i = 0; i < 3; i++)
290 phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
293 kfree(buf); /* 0 < len < 6 */
294 for (i = 0; i < 3; i++)
295 phys_addr[i] = htons(read_eeprom(ioaddr, i));
296 if (phys_addr[0] == htons(0x6060)) {
297 dev_err(&link->dev, "IO port conflict at 0x%03lx-0x%03lx\n",
298 dev->base_addr, dev->base_addr+15);
303 /* The address and resource configuration register aren't loaded from
304 * the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version.
307 outw(0x3f00, ioaddr + 8);
310 /* The if_port symbol can be set when the module is loaded */
311 if ((if_port >= 0) && (if_port <= 3))
312 dev->if_port = if_port;
314 dev_err(&link->dev, "invalid if_port requested\n");
316 SET_NETDEV_DEV(dev, &link->dev);
318 if (register_netdev(dev) != 0) {
319 dev_err(&link->dev, "register_netdev() failed\n");
323 netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
324 (multi ? "562" : "589"), dev->base_addr, dev->irq,
326 netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n",
327 (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
328 if_names[dev->if_port]);
336 static void tc589_release(struct pcmcia_device *link)
338 pcmcia_disable_device(link);
341 static int tc589_suspend(struct pcmcia_device *link)
343 struct net_device *dev = link->priv;
346 netif_device_detach(dev);
351 static int tc589_resume(struct pcmcia_device *link)
353 struct net_device *dev = link->priv;
357 netif_device_attach(dev);
363 /*====================================================================*/
365 /* Use this for commands that may take time to finish */
367 static void tc589_wait_for_completion(struct net_device *dev, int cmd)
370 outw(cmd, dev->base_addr + EL3_CMD);
372 if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000))
375 netdev_warn(dev, "command 0x%04x did not complete!\n", cmd);
378 /* Read a word from the EEPROM using the regular EEPROM access register.
379 * Assume that we are in register window zero.
382 static u16 read_eeprom(unsigned int ioaddr, int index)
385 outw(EEPROM_READ + index, ioaddr + 10);
386 /* Reading the eeprom takes 162 us */
387 for (i = 1620; i >= 0; i--)
388 if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0)
390 return inw(ioaddr + 12);
393 /* Set transceiver type, perhaps to something other than what the user
394 * specified in dev->if_port.
397 static void tc589_set_xcvr(struct net_device *dev, int if_port)
399 struct el3_private *lp = netdev_priv(dev);
400 unsigned int ioaddr = dev->base_addr;
409 outw(3<<14, ioaddr + 6);
412 outw(1<<14, ioaddr + 6);
415 /* On PCMCIA, this just turns on the LED */
416 outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD);
417 /* 10baseT interface, enable link beat and jabber check. */
419 outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA);
422 lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000);
424 lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800);
427 static void dump_status(struct net_device *dev)
429 unsigned int ioaddr = dev->base_addr;
431 netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n",
432 inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS),
433 inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE));
435 netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n",
436 inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08),
441 /* Reset and restore all of the 3c589 registers. */
442 static void tc589_reset(struct net_device *dev)
444 unsigned int ioaddr = dev->base_addr;
448 outw(0x0001, ioaddr + 4); /* Activate board. */
449 outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */
451 /* Set the station address in window 2. */
453 for (i = 0; i < 6; i++)
454 outb(dev->dev_addr[i], ioaddr + i);
456 tc589_set_xcvr(dev, dev->if_port);
458 /* Switch to the stats window, and clear all stats by reading. */
459 outw(StatsDisable, ioaddr + EL3_CMD);
461 for (i = 0; i < 9; i++)
466 /* Switch to register set 1 for normal use. */
470 outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
471 outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
472 outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
473 /* Allow status bits to be seen. */
474 outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
475 /* Ack all pending events, and set active indicator mask. */
476 outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
478 outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull
479 | AdapterFailure, ioaddr + EL3_CMD);
482 static void netdev_get_drvinfo(struct net_device *dev,
483 struct ethtool_drvinfo *info)
485 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
486 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
487 snprintf(info->bus_info, sizeof(info->bus_info),
488 "PCMCIA 0x%lx", dev->base_addr);
491 static const struct ethtool_ops netdev_ethtool_ops = {
492 .get_drvinfo = netdev_get_drvinfo,
495 static int el3_config(struct net_device *dev, struct ifmap *map)
497 if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
498 if (map->port <= 3) {
499 dev->if_port = map->port;
500 netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]);
501 tc589_set_xcvr(dev, dev->if_port);
509 static int el3_open(struct net_device *dev)
511 struct el3_private *lp = netdev_priv(dev);
512 struct pcmcia_device *link = lp->p_dev;
514 if (!pcmcia_dev_present(link))
518 netif_start_queue(dev);
521 setup_timer(&lp->media, media_check, (unsigned long)dev);
522 mod_timer(&lp->media, jiffies + HZ);
524 dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
525 dev->name, inw(dev->base_addr + EL3_STATUS));
530 static void el3_tx_timeout(struct net_device *dev)
532 unsigned int ioaddr = dev->base_addr;
534 netdev_warn(dev, "Transmit timed out!\n");
536 dev->stats.tx_errors++;
537 dev->trans_start = jiffies; /* prevent tx timeout */
538 /* Issue TX_RESET and TX_START commands. */
539 tc589_wait_for_completion(dev, TxReset);
540 outw(TxEnable, ioaddr + EL3_CMD);
541 netif_wake_queue(dev);
544 static void pop_tx_status(struct net_device *dev)
546 unsigned int ioaddr = dev->base_addr;
549 /* Clear the Tx status stack. */
550 for (i = 32; i > 0; i--) {
551 u_char tx_status = inb(ioaddr + TX_STATUS);
552 if (!(tx_status & 0x84))
554 /* reset transmitter on jabber error or underrun */
555 if (tx_status & 0x30)
556 tc589_wait_for_completion(dev, TxReset);
557 if (tx_status & 0x38) {
558 netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status);
559 outw(TxEnable, ioaddr + EL3_CMD);
560 dev->stats.tx_aborted_errors++;
562 outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
566 static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
567 struct net_device *dev)
569 unsigned int ioaddr = dev->base_addr;
570 struct el3_private *priv = netdev_priv(dev);
573 netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n",
574 (long)skb->len, inw(ioaddr + EL3_STATUS));
576 spin_lock_irqsave(&priv->lock, flags);
578 dev->stats.tx_bytes += skb->len;
580 /* Put out the doubleword header... */
581 outw(skb->len, ioaddr + TX_FIFO);
582 outw(0x00, ioaddr + TX_FIFO);
583 /* ... and the packet rounded to a doubleword. */
584 outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
586 if (inw(ioaddr + TX_FREE) <= 1536) {
587 netif_stop_queue(dev);
588 /* Interrupt us when the FIFO has room for max-sized packet. */
589 outw(SetTxThreshold + 1536, ioaddr + EL3_CMD);
593 spin_unlock_irqrestore(&priv->lock, flags);
599 /* The EL3 interrupt handler. */
600 static irqreturn_t el3_interrupt(int irq, void *dev_id)
602 struct net_device *dev = (struct net_device *) dev_id;
603 struct el3_private *lp = netdev_priv(dev);
606 int i = 0, handled = 1;
608 if (!netif_device_present(dev))
611 ioaddr = dev->base_addr;
613 netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS));
615 spin_lock(&lp->lock);
616 while ((status = inw(ioaddr + EL3_STATUS)) &
617 (IntLatch | RxComplete | StatsFull)) {
618 if ((status & 0xe000) != 0x2000) {
619 netdev_dbg(dev, "interrupt from dead card\n");
623 if (status & RxComplete)
625 if (status & TxAvailable) {
626 netdev_dbg(dev, " TX room bit was handled.\n");
627 /* There's room in the FIFO for a full-sized packet. */
628 outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
629 netif_wake_queue(dev);
631 if (status & TxComplete)
633 if (status & (AdapterFailure | RxEarly | StatsFull)) {
634 /* Handle all uncommon interrupts. */
635 if (status & StatsFull) /* Empty statistics. */
637 if (status & RxEarly) {
638 /* Rx early is unused. */
640 outw(AckIntr | RxEarly, ioaddr + EL3_CMD);
642 if (status & AdapterFailure) {
645 fifo_diag = inw(ioaddr + 4);
647 netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n",
649 if (fifo_diag & 0x0400) {
651 tc589_wait_for_completion(dev, TxReset);
652 outw(TxEnable, ioaddr + EL3_CMD);
654 if (fifo_diag & 0x2000) {
656 tc589_wait_for_completion(dev, RxReset);
658 outw(RxEnable, ioaddr + EL3_CMD);
660 outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
664 netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n",
666 /* Clear all interrupts */
667 outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
670 /* Acknowledge the IRQ. */
671 outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD);
673 lp->last_irq = jiffies;
674 spin_unlock(&lp->lock);
675 netdev_dbg(dev, "exiting interrupt, status %4.4x.\n",
676 inw(ioaddr + EL3_STATUS));
677 return IRQ_RETVAL(handled);
680 static void media_check(unsigned long arg)
682 struct net_device *dev = (struct net_device *)(arg);
683 struct el3_private *lp = netdev_priv(dev);
684 unsigned int ioaddr = dev->base_addr;
688 if (!netif_device_present(dev))
691 /* Check for pending interrupt with expired latency timer: with
692 * this, we can limp along even if the interrupt is blocked
694 if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
695 (inb(ioaddr + EL3_TIMER) == 0xff)) {
697 netdev_warn(dev, "interrupt(s) dropped!\n");
699 local_irq_save(flags);
700 el3_interrupt(dev->irq, dev);
701 local_irq_restore(flags);
707 lp->media.expires = jiffies + HZ/100;
708 add_timer(&lp->media);
712 /* lp->lock guards the EL3 window. Window should always be 1 except
713 * when the lock is held
716 spin_lock_irqsave(&lp->lock, flags);
718 media = inw(ioaddr+WN4_MEDIA) & 0xc810;
720 /* Ignore collisions unless we've had no irq's recently */
721 if (time_before(jiffies, lp->last_irq + HZ)) {
724 /* Try harder to detect carrier errors */
726 outw(StatsDisable, ioaddr + EL3_CMD);
727 errs = inb(ioaddr + 0);
728 outw(StatsEnable, ioaddr + EL3_CMD);
729 dev->stats.tx_carrier_errors += errs;
730 if (errs || (lp->media_status & 0x0010))
734 if (media != lp->media_status) {
735 if ((media & lp->media_status & 0x8000) &&
736 ((lp->media_status ^ media) & 0x0800))
737 netdev_info(dev, "%s link beat\n",
738 (lp->media_status & 0x0800 ? "lost" : "found"));
739 else if ((media & lp->media_status & 0x4000) &&
740 ((lp->media_status ^ media) & 0x0010))
741 netdev_info(dev, "coax cable %s\n",
742 (lp->media_status & 0x0010 ? "ok" : "problem"));
743 if (dev->if_port == 0) {
744 if (media & 0x8000) {
746 netdev_info(dev, "flipped to 10baseT\n");
748 tc589_set_xcvr(dev, 2);
749 } else if (media & 0x4000) {
751 tc589_set_xcvr(dev, 1);
753 netdev_info(dev, "flipped to 10base2\n");
756 lp->media_status = media;
760 spin_unlock_irqrestore(&lp->lock, flags);
763 lp->media.expires = jiffies + HZ;
764 add_timer(&lp->media);
767 static struct net_device_stats *el3_get_stats(struct net_device *dev)
769 struct el3_private *lp = netdev_priv(dev);
771 struct pcmcia_device *link = lp->p_dev;
773 if (pcmcia_dev_present(link)) {
774 spin_lock_irqsave(&lp->lock, flags);
776 spin_unlock_irqrestore(&lp->lock, flags);
781 /* Update statistics. We change to register window 6, so this should be run
782 * single-threaded if the device is active. This is expected to be a rare
783 * operation, and it's simpler for the rest of the driver to assume that
784 * window 1 is always valid rather than use a special window-state variable.
786 * Caller must hold the lock for this
789 static void update_stats(struct net_device *dev)
791 unsigned int ioaddr = dev->base_addr;
793 netdev_dbg(dev, "updating the statistics.\n");
794 /* Turn off statistics updates while reading. */
795 outw(StatsDisable, ioaddr + EL3_CMD);
796 /* Switch to the stats window, and read everything. */
798 dev->stats.tx_carrier_errors += inb(ioaddr + 0);
799 dev->stats.tx_heartbeat_errors += inb(ioaddr + 1);
800 /* Multiple collisions. */
802 dev->stats.collisions += inb(ioaddr + 3);
803 dev->stats.tx_window_errors += inb(ioaddr + 4);
804 dev->stats.rx_fifo_errors += inb(ioaddr + 5);
805 dev->stats.tx_packets += inb(ioaddr + 6);
815 /* Back to window 1, and turn statistics back on. */
817 outw(StatsEnable, ioaddr + EL3_CMD);
820 static int el3_rx(struct net_device *dev)
822 unsigned int ioaddr = dev->base_addr;
826 netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n",
827 inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
828 while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) &&
831 if (rx_status & 0x4000) { /* Error, update stats. */
832 short error = rx_status & 0x3800;
833 dev->stats.rx_errors++;
836 dev->stats.rx_over_errors++;
839 dev->stats.rx_length_errors++;
842 dev->stats.rx_frame_errors++;
845 dev->stats.rx_length_errors++;
848 dev->stats.rx_frame_errors++;
851 dev->stats.rx_crc_errors++;
855 short pkt_len = rx_status & 0x7ff;
858 skb = netdev_alloc_skb(dev, pkt_len + 5);
860 netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n",
864 insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len),
866 skb->protocol = eth_type_trans(skb, dev);
868 dev->stats.rx_packets++;
869 dev->stats.rx_bytes += pkt_len;
871 netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n",
873 dev->stats.rx_dropped++;
876 /* Pop the top of the Rx FIFO */
877 tc589_wait_for_completion(dev, RxDiscard);
880 netdev_warn(dev, "too much work in el3_rx!\n");
884 static void set_rx_mode(struct net_device *dev)
886 unsigned int ioaddr = dev->base_addr;
887 u16 opts = SetRxFilter | RxStation | RxBroadcast;
889 if (dev->flags & IFF_PROMISC)
890 opts |= RxMulticast | RxProm;
891 else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI))
893 outw(opts, ioaddr + EL3_CMD);
896 static void set_multicast_list(struct net_device *dev)
898 struct el3_private *priv = netdev_priv(dev);
901 spin_lock_irqsave(&priv->lock, flags);
903 spin_unlock_irqrestore(&priv->lock, flags);
906 static int el3_close(struct net_device *dev)
908 struct el3_private *lp = netdev_priv(dev);
909 struct pcmcia_device *link = lp->p_dev;
910 unsigned int ioaddr = dev->base_addr;
912 dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name);
914 if (pcmcia_dev_present(link)) {
915 /* Turn off statistics ASAP. We update dev->stats below. */
916 outw(StatsDisable, ioaddr + EL3_CMD);
918 /* Disable the receiver and transmitter. */
919 outw(RxDisable, ioaddr + EL3_CMD);
920 outw(TxDisable, ioaddr + EL3_CMD);
922 if (dev->if_port == 2)
923 /* Turn off thinnet power. Green! */
924 outw(StopCoax, ioaddr + EL3_CMD);
925 else if (dev->if_port == 1) {
926 /* Disable link beat and jabber */
928 outw(0, ioaddr + WN4_MEDIA);
931 /* Switching back to window 0 disables the IRQ. */
933 /* But we explicitly zero the IRQ line select anyway. */
934 outw(0x0f00, ioaddr + WN0_IRQ);
936 /* Check if the card still exists */
937 if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000)
942 netif_stop_queue(dev);
943 del_timer_sync(&lp->media);
948 static const struct pcmcia_device_id tc589_ids[] = {
949 PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0101, 0x0562),
950 PCMCIA_MFC_DEVICE_PROD_ID1(0, "Motorola MARQUIS", 0xf03e4e77),
951 PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0589),
952 PCMCIA_DEVICE_PROD_ID12("Farallon", "ENet", 0x58d93fc4, 0x992c2202),
953 PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x0035, "cis/3CXEM556.cis"),
954 PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x003d, "cis/3CXEM556.cis"),
957 MODULE_DEVICE_TABLE(pcmcia, tc589_ids);
959 static struct pcmcia_driver tc589_driver = {
960 .owner = THIS_MODULE,
962 .probe = tc589_probe,
963 .remove = tc589_detach,
964 .id_table = tc589_ids,
965 .suspend = tc589_suspend,
966 .resume = tc589_resume,
968 module_pcmcia_driver(tc589_driver);