1 /* 3c509.c: A 3c509 EtherLink3 ethernet driver for linux. */
3 Written 1993-2000 by Donald Becker.
5 Copyright 1994-2000 by Donald Becker.
6 Copyright 1993 United States Government as represented by the
7 Director, National Security Agency. This software may be used and
8 distributed according to the terms of the GNU General Public License,
9 incorporated herein by reference.
11 This driver is for the 3Com EtherLinkIII series.
13 The author may be reached as becker@scyld.com, or C/O
14 Scyld Computing Corporation
15 410 Severn Ave., Suite 210
19 Because of the way 3c509 ISA detection works it's difficult to predict
20 a priori which of several ISA-mode cards will be detected first.
22 This driver does not use predictive interrupt mode, resulting in higher
23 packet latency but lower overhead. If interrupts are disabled for an
24 unusually long time it could also result in missed packets, but in
25 practice this rarely happens.
29 Alan Cox: Removed the 'Unexpected interrupt' bug.
30 Michael Meskes: Upgraded to Donald Becker's version 1.07.
31 Alan Cox: Increased the eeprom delay. Regardless of
32 what the docs say some people definitely
33 get problems with lower (but in card spec)
35 v1.10 4/21/97 Fixed module code so that multiple cards may be detected,
37 Andrea Arcangeli: Upgraded to Donald Becker's version 1.12.
38 Rick Payne: Fixed SMP race condition
39 v1.13 9/8/97 Made 'max_interrupt_work' an insmod-settable variable -djb
40 v1.14 10/15/97 Avoided waiting..discard message for fast machines -djb
41 v1.15 1/31/98 Faster recovery for Tx errors. -djb
42 v1.16 2/3/98 Different ID port handling to avoid sound cards. -djb
43 v1.18 12Mar2001 Andrew Morton <andrewm@uow.edu.au>
44 - Avoid bogus detect of 3c590's (Andrzej Krzysztofowicz)
45 - Reviewed against 1.18 from scyld.com
46 v1.18a 17Nov2001 Jeff Garzik <jgarzik@pobox.com>
48 v1.18b 1Mar2002 Zwane Mwaikambo <zwane@commfireservices.com>
49 - Power Management support
50 v1.18c 1Mar2002 David Ruggiero <jdr@farfalle.com>
52 v1.19 16Oct2002 Zwane Mwaikambo <zwane@linuxpower.ca>
53 - Additional ethtool features
54 v1.19a 28Oct2002 Davud Ruggiero <jdr@farfalle.com>
55 - Increase *read_eeprom udelay to workaround oops with 2 cards.
56 v1.19b 08Nov2002 Marc Zyngier <maz@wild-wind.fr.eu.org>
57 - Introduce driver model for EISA cards.
60 #define DRV_NAME "3c509"
61 #define DRV_VERSION "1.19b"
62 #define DRV_RELDATE "08Nov2002"
64 /* A few values that may be tweaked. */
66 /* Time in jiffies before concluding the transmitter is hung. */
67 #define TX_TIMEOUT (400*HZ/1000)
68 /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
69 static int max_interrupt_work = 10;
71 #include <linux/config.h>
72 #include <linux/module.h>
74 #include <linux/mca.h>
76 #include <linux/isapnp.h>
77 #include <linux/string.h>
78 #include <linux/interrupt.h>
79 #include <linux/errno.h>
81 #include <linux/slab.h>
82 #include <linux/ioport.h>
83 #include <linux/init.h>
84 #include <linux/netdevice.h>
85 #include <linux/etherdevice.h>
87 #include <linux/pm_legacy.h>
88 #include <linux/skbuff.h>
89 #include <linux/delay.h> /* for udelay() */
90 #include <linux/spinlock.h>
91 #include <linux/ethtool.h>
92 #include <linux/device.h>
93 #include <linux/eisa.h>
94 #include <linux/bitops.h>
96 #include <asm/uaccess.h>
100 static char versionA[] __initdata = DRV_NAME ".c:" DRV_VERSION " " DRV_RELDATE " becker@scyld.com\n";
101 static char versionB[] __initdata = "http://www.scyld.com/network/3c509.html\n";
104 static int el3_debug = EL3_DEBUG;
106 static int el3_debug = 2;
109 /* Used to do a global count of all the cards in the system. Must be
110 * a global variable so that the mca/eisa probe routines can increment
112 static int el3_cards = 0;
114 /* To minimize the size of the driver source I only define operating
115 constants if they are used several times. You'll need the manual
116 anyway if you want to understand driver details. */
117 /* Offsets from base I/O address. */
118 #define EL3_DATA 0x00
120 #define EL3_STATUS 0x0e
121 #define EEPROM_READ 0x80
123 #define EL3_IO_EXTENT 16
125 #define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD)
128 /* The top five bits written to EL3_CMD are a command, the lower
129 11 bits are the parameter, if applicable. */
131 TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11,
132 RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11,
133 TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11,
134 FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11,
135 SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11,
136 SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11,
137 StatsDisable = 22<<11, StopCoax = 23<<11, PowerUp = 27<<11,
138 PowerDown = 28<<11, PowerAuto = 29<<11};
141 IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
142 TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
143 IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000, };
145 /* The SetRxFilter command accepts the following classes: */
147 RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8 };
149 /* Register window 1 offsets, the window used in normal operation. */
152 #define RX_STATUS 0x08
153 #define TX_STATUS 0x0B
154 #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
156 #define WN0_CONF_CTRL 0x04 /* Window 0: Configuration control register */
157 #define WN0_ADDR_CONF 0x06 /* Window 0: Address configuration register */
158 #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */
159 #define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */
160 #define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */
161 #define WN4_NETDIAG 0x06 /* Window 4: Net diagnostic */
162 #define FD_ENABLE 0x8000 /* Enable full-duplex ("external loopback") */
165 * Must be a power of two (we use a binary and in the
168 #define SKB_QUEUE_SIZE 64
171 struct net_device_stats stats;
172 struct net_device *next_dev;
176 struct sk_buff *queue[SKB_QUEUE_SIZE];
177 #ifdef CONFIG_PM_LEGACY
178 struct pm_dev *pmdev;
184 } type; /* type of device */
187 static int id_port __initdata = 0x110; /* Start with 0x110 to avoid new sound cards.*/
188 static struct net_device *el3_root_dev;
190 static ushort id_read_eeprom(int index);
191 static ushort read_eeprom(int ioaddr, int index);
192 static int el3_open(struct net_device *dev);
193 static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev);
194 static irqreturn_t el3_interrupt(int irq, void *dev_id, struct pt_regs *regs);
195 static void update_stats(struct net_device *dev);
196 static struct net_device_stats *el3_get_stats(struct net_device *dev);
197 static int el3_rx(struct net_device *dev);
198 static int el3_close(struct net_device *dev);
199 static void set_multicast_list(struct net_device *dev);
200 static void el3_tx_timeout (struct net_device *dev);
201 static void el3_down(struct net_device *dev);
202 static void el3_up(struct net_device *dev);
203 static struct ethtool_ops ethtool_ops;
204 #ifdef CONFIG_PM_LEGACY
205 static int el3_suspend(struct pm_dev *pdev);
206 static int el3_resume(struct pm_dev *pdev);
207 static int el3_pm_callback(struct pm_dev *pdev, pm_request_t rqst, void *data);
209 /* generic device remove for all device types */
210 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)
211 static int el3_device_remove (struct device *device);
213 #ifdef CONFIG_NET_POLL_CONTROLLER
214 static void el3_poll_controller(struct net_device *dev);
218 static struct eisa_device_id el3_eisa_ids[] = {
225 static int el3_eisa_probe (struct device *device);
227 static struct eisa_driver el3_eisa_driver = {
228 .id_table = el3_eisa_ids,
231 .probe = el3_eisa_probe,
232 .remove = __devexit_p (el3_device_remove)
238 static int el3_mca_probe(struct device *dev);
240 static short el3_mca_adapter_ids[] __initdata = {
249 static char *el3_mca_adapter_names[] __initdata = {
250 "3Com 3c529 EtherLink III (10base2)",
251 "3Com 3c529 EtherLink III (10baseT)",
252 "3Com 3c529 EtherLink III (test mode)",
253 "3Com 3c529 EtherLink III (TP or coax)",
254 "3Com 3c529 EtherLink III (TP)",
258 static struct mca_driver el3_mca_driver = {
259 .id_table = el3_mca_adapter_ids,
262 .bus = &mca_bus_type,
263 .probe = el3_mca_probe,
264 .remove = __devexit_p(el3_device_remove),
267 #endif /* CONFIG_MCA */
269 #if defined(__ISAPNP__)
270 static struct isapnp_device_id el3_isapnp_adapters[] __initdata = {
271 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
272 ISAPNP_VENDOR('T', 'C', 'M'), ISAPNP_FUNCTION(0x5090),
273 (long) "3Com Etherlink III (TP)" },
274 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
275 ISAPNP_VENDOR('T', 'C', 'M'), ISAPNP_FUNCTION(0x5091),
276 (long) "3Com Etherlink III" },
277 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
278 ISAPNP_VENDOR('T', 'C', 'M'), ISAPNP_FUNCTION(0x5094),
279 (long) "3Com Etherlink III (combo)" },
280 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
281 ISAPNP_VENDOR('T', 'C', 'M'), ISAPNP_FUNCTION(0x5095),
282 (long) "3Com Etherlink III (TPO)" },
283 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
284 ISAPNP_VENDOR('T', 'C', 'M'), ISAPNP_FUNCTION(0x5098),
285 (long) "3Com Etherlink III (TPC)" },
286 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
287 ISAPNP_VENDOR('P', 'N', 'P'), ISAPNP_FUNCTION(0x80f7),
288 (long) "3Com Etherlink III compatible" },
289 { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
290 ISAPNP_VENDOR('P', 'N', 'P'), ISAPNP_FUNCTION(0x80f8),
291 (long) "3Com Etherlink III compatible" },
292 { } /* terminate list */
295 static u16 el3_isapnp_phys_addr[8][3];
297 #endif /* __ISAPNP__ */
299 /* With the driver model introduction for EISA devices, both init
300 * and cleanup have been split :
301 * - EISA devices probe/remove starts in el3_eisa_probe/el3_device_remove
302 * - MCA/ISA still use el3_probe
304 * Both call el3_common_init/el3_common_remove. */
306 static int __init el3_common_init(struct net_device *dev)
308 struct el3_private *lp = netdev_priv(dev);
312 spin_lock_init(&lp->lock);
314 if (dev->mem_start & 0x05) { /* xcvr codes 1/3/4/12 */
315 dev->if_port = (dev->mem_start & 0x0f);
316 } else { /* xcvr codes 0/8 */
317 /* use eeprom value, but save user's full-duplex selection */
318 dev->if_port |= (dev->mem_start & 0x08);
321 /* The EL3-specific entries in the device structure. */
322 dev->open = &el3_open;
323 dev->hard_start_xmit = &el3_start_xmit;
324 dev->stop = &el3_close;
325 dev->get_stats = &el3_get_stats;
326 dev->set_multicast_list = &set_multicast_list;
327 dev->tx_timeout = el3_tx_timeout;
328 dev->watchdog_timeo = TX_TIMEOUT;
329 #ifdef CONFIG_NET_POLL_CONTROLLER
330 dev->poll_controller = el3_poll_controller;
332 SET_ETHTOOL_OPS(dev, ðtool_ops);
334 err = register_netdev(dev);
336 printk(KERN_ERR "Failed to register 3c5x9 at %#3.3lx, IRQ %d.\n",
337 dev->base_addr, dev->irq);
338 release_region(dev->base_addr, EL3_IO_EXTENT);
343 const char *if_names[] = {"10baseT", "AUI", "undefined", "BNC"};
344 printk("%s: 3c5x9 found at %#3.3lx, %s port, address ",
345 dev->name, dev->base_addr,
346 if_names[(dev->if_port & 0x03)]);
349 /* Read in the station address. */
350 for (i = 0; i < 6; i++)
351 printk(" %2.2x", dev->dev_addr[i]);
352 printk(", IRQ %d.\n", dev->irq);
355 printk(KERN_INFO "%s" KERN_INFO "%s", versionA, versionB);
360 static void el3_common_remove (struct net_device *dev)
362 struct el3_private *lp = netdev_priv(dev);
364 (void) lp; /* Keep gcc quiet... */
365 #ifdef CONFIG_PM_LEGACY
367 pm_unregister(lp->pmdev);
369 #if defined(__ISAPNP__)
370 if (lp->type == EL3_PNP)
371 pnp_device_detach(to_pnp_dev(lp->dev));
374 unregister_netdev (dev);
375 release_region(dev->base_addr, EL3_IO_EXTENT);
379 static int __init el3_probe(int card_idx)
381 struct net_device *dev;
382 struct el3_private *lp;
383 short lrs_state = 0xff, i;
384 int ioaddr, irq, if_port;
386 static int current_tag;
388 #if defined(__ISAPNP__)
389 static int pnp_cards;
390 struct pnp_dev *idev = NULL;
395 for (i=0; el3_isapnp_adapters[i].vendor != 0; i++) {
397 while ((idev = pnp_find_dev(NULL,
398 el3_isapnp_adapters[i].vendor,
399 el3_isapnp_adapters[i].function,
401 if (pnp_device_attach(idev) < 0)
403 if (pnp_activate_dev(idev) < 0) {
405 pnp_device_detach(idev);
408 if (!pnp_port_valid(idev, 0) || !pnp_irq_valid(idev, 0))
410 ioaddr = pnp_port_start(idev, 0);
411 if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509 PnP")) {
412 pnp_device_detach(idev);
415 irq = pnp_irq(idev, 0);
417 printk ("ISAPnP reports %s at i/o 0x%x, irq %d\n",
418 (char*) el3_isapnp_adapters[i].driver_data, ioaddr, irq);
420 for (j = 0; j < 3; j++)
421 el3_isapnp_phys_addr[pnp_cards][j] =
423 htons(read_eeprom(ioaddr, j));
424 if_port = read_eeprom(ioaddr, 8) >> 14;
425 dev = alloc_etherdev(sizeof (struct el3_private));
427 release_region(ioaddr, EL3_IO_EXTENT);
428 pnp_device_detach(idev);
432 SET_MODULE_OWNER(dev);
433 SET_NETDEV_DEV(dev, &idev->dev);
436 netdev_boot_setup_check(dev);
441 #endif /* __ISAPNP__ */
443 /* Select an open I/O location at 0x1*0 to do contention select. */
444 for ( ; id_port < 0x200; id_port += 0x10) {
445 if (!request_region(id_port, 1, "3c509"))
449 if (inb(id_port) & 0x01){
450 release_region(id_port, 1);
453 release_region(id_port, 1);
455 if (id_port >= 0x200) {
456 /* Rare -- do we really need a warning? */
457 printk(" WARNING: No I/O port available for 3c509 activation.\n");
461 /* Next check for all ISA bus boards by sending the ID sequence to the
462 ID_PORT. We find cards past the first by setting the 'current_tag'
463 on cards as they are found. Cards with their tag set will not
464 respond to subsequent ID sequences. */
468 for(i = 0; i < 255; i++) {
469 outb(lrs_state, id_port);
471 lrs_state = lrs_state & 0x100 ? lrs_state ^ 0xcf : lrs_state;
474 /* For the first probe, clear all board's tag registers. */
475 if (current_tag == 0)
477 else /* Otherwise kill off already-found boards. */
480 if (id_read_eeprom(7) != 0x6d50) {
484 /* Read in EEPROM data, which does contention-select.
485 Only the lowest address board will stay "on-line".
486 3Com got the byte order backwards. */
487 for (i = 0; i < 3; i++) {
488 phys_addr[i] = htons(id_read_eeprom(i));
491 #if defined(__ISAPNP__)
493 /* The ISA PnP 3c509 cards respond to the ID sequence.
494 This check is needed in order not to register them twice. */
495 for (i = 0; i < pnp_cards; i++) {
496 if (phys_addr[0] == el3_isapnp_phys_addr[i][0] &&
497 phys_addr[1] == el3_isapnp_phys_addr[i][1] &&
498 phys_addr[2] == el3_isapnp_phys_addr[i][2])
501 printk("3c509 with address %02x %02x %02x %02x %02x %02x was found by ISAPnP\n",
502 phys_addr[0] & 0xff, phys_addr[0] >> 8,
503 phys_addr[1] & 0xff, phys_addr[1] >> 8,
504 phys_addr[2] & 0xff, phys_addr[2] >> 8);
505 /* Set the adaptor tag so that the next card can be found. */
506 outb(0xd0 + ++current_tag, id_port);
511 #endif /* __ISAPNP__ */
514 unsigned int iobase = id_read_eeprom(8);
515 if_port = iobase >> 14;
516 ioaddr = 0x200 + ((iobase & 0x1f) << 4);
518 irq = id_read_eeprom(9) >> 12;
520 dev = alloc_etherdev(sizeof (struct el3_private));
524 SET_MODULE_OWNER(dev);
526 netdev_boot_setup_check(dev);
528 /* Set passed-in IRQ or I/O Addr. */
529 if (dev->irq > 1 && dev->irq < 16)
532 if (dev->base_addr) {
533 if (dev->mem_end == 0x3c509 /* Magic key */
534 && dev->base_addr >= 0x200 && dev->base_addr <= 0x3e0)
535 ioaddr = dev->base_addr & 0x3f0;
536 else if (dev->base_addr != ioaddr)
540 if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509")) {
545 /* Set the adaptor tag so that the next card can be found. */
546 outb(0xd0 + ++current_tag, id_port);
548 /* Activate the adaptor at the EEPROM location. */
549 outb((ioaddr >> 4) | 0xe0, id_port);
552 if (inw(ioaddr) != 0x6d50)
555 /* Free the interrupt so that some other card can use it. */
556 outw(0x0f00, ioaddr + WN0_IRQ);
558 #if defined(__ISAPNP__)
559 found: /* PNP jumps here... */
560 #endif /* __ISAPNP__ */
562 memcpy(dev->dev_addr, phys_addr, sizeof(phys_addr));
563 dev->base_addr = ioaddr;
565 dev->if_port = if_port;
566 lp = netdev_priv(dev);
567 #if defined(__ISAPNP__)
568 lp->dev = &idev->dev;
570 err = el3_common_init(dev);
575 #ifdef CONFIG_PM_LEGACY
576 /* register power management */
577 lp->pmdev = pm_register(PM_ISA_DEV, card_idx, el3_pm_callback);
581 p->data = (struct net_device *)dev;
586 lp->next_dev = el3_root_dev;
591 #if defined(__ISAPNP__)
593 pnp_device_detach(idev);
601 static int __init el3_mca_probe(struct device *device)
603 /* Based on Erik Nygren's (nygren@mit.edu) 3c529 patch,
604 * heavily modified by Chris Beauregard
605 * (cpbeaure@csclub.uwaterloo.ca) to support standard MCA
608 * redone for multi-card detection by ZP Gu (zpg@castle.net)
609 * now works as a module */
611 struct el3_private *lp;
613 int ioaddr, irq, if_port;
615 struct net_device *dev = NULL;
617 struct mca_device *mdev = to_mca_device(device);
618 int slot = mdev->slot;
621 pos4 = mca_device_read_stored_pos(mdev, 4);
622 pos5 = mca_device_read_stored_pos(mdev, 5);
624 ioaddr = ((short)((pos4&0xfc)|0x02)) << 8;
628 printk("3c529: found %s at slot %d\n",
629 el3_mca_adapter_names[mdev->index], slot + 1);
632 strncpy(mdev->name, el3_mca_adapter_names[mdev->index],
634 mca_device_set_claim(mdev, 1);
636 if_port = pos4 & 0x03;
638 irq = mca_device_transform_irq(mdev, irq);
639 ioaddr = mca_device_transform_ioport(mdev, ioaddr);
641 printk("3c529: irq %d ioaddr 0x%x ifport %d\n", irq, ioaddr, if_port);
644 for (i = 0; i < 3; i++) {
645 phys_addr[i] = htons(read_eeprom(ioaddr, i));
648 dev = alloc_etherdev(sizeof (struct el3_private));
650 release_region(ioaddr, EL3_IO_EXTENT);
654 SET_MODULE_OWNER(dev);
655 netdev_boot_setup_check(dev);
657 memcpy(dev->dev_addr, phys_addr, sizeof(phys_addr));
658 dev->base_addr = ioaddr;
660 dev->if_port = if_port;
661 lp = netdev_priv(dev);
664 device->driver_data = dev;
665 err = el3_common_init(dev);
668 device->driver_data = NULL;
677 #endif /* CONFIG_MCA */
680 static int __init el3_eisa_probe (struct device *device)
682 struct el3_private *lp;
684 int ioaddr, irq, if_port;
686 struct net_device *dev = NULL;
687 struct eisa_device *edev;
690 /* Yeepee, The driver framework is calling us ! */
691 edev = to_eisa_device (device);
692 ioaddr = edev->base_addr;
694 if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509"))
697 /* Change the register set to the configuration window 0. */
698 outw(SelectWindow | 0, ioaddr + 0xC80 + EL3_CMD);
700 irq = inw(ioaddr + WN0_IRQ) >> 12;
701 if_port = inw(ioaddr + 6)>>14;
702 for (i = 0; i < 3; i++)
703 phys_addr[i] = htons(read_eeprom(ioaddr, i));
705 /* Restore the "Product ID" to the EEPROM read register. */
706 read_eeprom(ioaddr, 3);
708 dev = alloc_etherdev(sizeof (struct el3_private));
710 release_region(ioaddr, EL3_IO_EXTENT);
714 SET_MODULE_OWNER(dev);
716 netdev_boot_setup_check(dev);
718 memcpy(dev->dev_addr, phys_addr, sizeof(phys_addr));
719 dev->base_addr = ioaddr;
721 dev->if_port = if_port;
722 lp = netdev_priv(dev);
725 eisa_set_drvdata (edev, dev);
726 err = el3_common_init(dev);
729 eisa_set_drvdata (edev, NULL);
739 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)
740 /* This remove works for all device types.
742 * The net dev must be stored in the driver_data field */
743 static int __devexit el3_device_remove (struct device *device)
745 struct net_device *dev;
747 dev = device->driver_data;
749 el3_common_remove (dev);
754 /* Read a word from the EEPROM using the regular EEPROM access register.
755 Assume that we are in register window zero.
757 static ushort read_eeprom(int ioaddr, int index)
759 outw(EEPROM_READ + index, ioaddr + 10);
760 /* Pause for at least 162 us. for the read to take place.
761 Some chips seem to require much longer */
763 return inw(ioaddr + 12);
766 /* Read a word from the EEPROM when in the ISA ID probe state. */
767 static ushort __init id_read_eeprom(int index)
771 /* Issue read command, and pause for at least 162 us. for it to complete.
772 Assume extra-fast 16Mhz bus. */
773 outb(EEPROM_READ + index, id_port);
775 /* Pause for at least 162 us. for the read to take place. */
776 /* Some chips seem to require much longer */
779 for (bit = 15; bit >= 0; bit--)
780 word = (word << 1) + (inb(id_port) & 0x01);
783 printk(" 3c509 EEPROM word %d %#4.4x.\n", index, word);
790 el3_open(struct net_device *dev)
792 int ioaddr = dev->base_addr;
795 outw(TxReset, ioaddr + EL3_CMD);
796 outw(RxReset, ioaddr + EL3_CMD);
797 outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD);
799 i = request_irq(dev->irq, &el3_interrupt, 0, dev->name, dev);
805 printk("%s: Opening, IRQ %d status@%x %4.4x.\n", dev->name,
806 dev->irq, ioaddr + EL3_STATUS, inw(ioaddr + EL3_STATUS));
811 printk("%s: Opened 3c509 IRQ %d status %4.4x.\n",
812 dev->name, dev->irq, inw(ioaddr + EL3_STATUS));
818 el3_tx_timeout (struct net_device *dev)
820 struct el3_private *lp = netdev_priv(dev);
821 int ioaddr = dev->base_addr;
823 /* Transmitter timeout, serious problems. */
824 printk("%s: transmit timed out, Tx_status %2.2x status %4.4x "
825 "Tx FIFO room %d.\n",
826 dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS),
827 inw(ioaddr + TX_FREE));
828 lp->stats.tx_errors++;
829 dev->trans_start = jiffies;
830 /* Issue TX_RESET and TX_START commands. */
831 outw(TxReset, ioaddr + EL3_CMD);
832 outw(TxEnable, ioaddr + EL3_CMD);
833 netif_wake_queue(dev);
838 el3_start_xmit(struct sk_buff *skb, struct net_device *dev)
840 struct el3_private *lp = netdev_priv(dev);
841 int ioaddr = dev->base_addr;
844 netif_stop_queue (dev);
846 lp->stats.tx_bytes += skb->len;
849 printk("%s: el3_start_xmit(length = %u) called, status %4.4x.\n",
850 dev->name, skb->len, inw(ioaddr + EL3_STATUS));
853 #ifndef final_version
854 { /* Error-checking code, delete someday. */
855 ushort status = inw(ioaddr + EL3_STATUS);
856 if (status & 0x0001 /* IRQ line active, missed one. */
857 && inw(ioaddr + EL3_STATUS) & 1) { /* Make sure. */
858 printk("%s: Missed interrupt, status then %04x now %04x"
859 " Tx %2.2x Rx %4.4x.\n", dev->name, status,
860 inw(ioaddr + EL3_STATUS), inb(ioaddr + TX_STATUS),
861 inw(ioaddr + RX_STATUS));
862 /* Fake interrupt trigger by masking, acknowledge interrupts. */
863 outw(SetStatusEnb | 0x00, ioaddr + EL3_CMD);
864 outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
866 outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
872 * We lock the driver against other processors. Note
873 * we don't need to lock versus the IRQ as we suspended
874 * that. This means that we lose the ability to take
875 * an RX during a TX upload. That sucks a bit with SMP
876 * on an original 3c509 (2K buffer)
878 * Using disable_irq stops us crapping on other
879 * time sensitive devices.
882 spin_lock_irqsave(&lp->lock, flags);
884 /* Put out the doubleword header... */
885 outw(skb->len, ioaddr + TX_FIFO);
886 outw(0x00, ioaddr + TX_FIFO);
887 /* ... and the packet rounded to a doubleword. */
889 outsl_ns(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
891 outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
894 dev->trans_start = jiffies;
895 if (inw(ioaddr + TX_FREE) > 1536)
896 netif_start_queue(dev);
898 /* Interrupt us when the FIFO has room for max-sized packet. */
899 outw(SetTxThreshold + 1536, ioaddr + EL3_CMD);
901 spin_unlock_irqrestore(&lp->lock, flags);
905 /* Clear the Tx status stack. */
910 while (--i > 0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) {
911 if (tx_status & 0x38) lp->stats.tx_aborted_errors++;
912 if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD);
913 if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD);
914 outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
920 /* The EL3 interrupt handler. */
922 el3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
924 struct net_device *dev = (struct net_device *)dev_id;
925 struct el3_private *lp;
927 int i = max_interrupt_work;
930 printk ("el3_interrupt(): irq %d for unknown device.\n", irq);
934 lp = netdev_priv(dev);
935 spin_lock(&lp->lock);
937 ioaddr = dev->base_addr;
940 status = inw(ioaddr + EL3_STATUS);
941 printk("%s: interrupt, status %4.4x.\n", dev->name, status);
944 while ((status = inw(ioaddr + EL3_STATUS)) &
945 (IntLatch | RxComplete | StatsFull)) {
947 if (status & RxComplete)
950 if (status & TxAvailable) {
952 printk(" TX room bit was handled.\n");
953 /* There's room in the FIFO for a full-sized packet. */
954 outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
955 netif_wake_queue (dev);
957 if (status & (AdapterFailure | RxEarly | StatsFull | TxComplete)) {
958 /* Handle all uncommon interrupts. */
959 if (status & StatsFull) /* Empty statistics. */
961 if (status & RxEarly) { /* Rx early is unused. */
963 outw(AckIntr | RxEarly, ioaddr + EL3_CMD);
965 if (status & TxComplete) { /* Really Tx error. */
966 struct el3_private *lp = netdev_priv(dev);
970 while (--i>0 && (tx_status = inb(ioaddr + TX_STATUS)) > 0) {
971 if (tx_status & 0x38) lp->stats.tx_aborted_errors++;
972 if (tx_status & 0x30) outw(TxReset, ioaddr + EL3_CMD);
973 if (tx_status & 0x3C) outw(TxEnable, ioaddr + EL3_CMD);
974 outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
977 if (status & AdapterFailure) {
978 /* Adapter failure requires Rx reset and reinit. */
979 outw(RxReset, ioaddr + EL3_CMD);
980 /* Set the Rx filter to the current state. */
981 outw(SetRxFilter | RxStation | RxBroadcast
982 | (dev->flags & IFF_ALLMULTI ? RxMulticast : 0)
983 | (dev->flags & IFF_PROMISC ? RxProm : 0),
985 outw(RxEnable, ioaddr + EL3_CMD); /* Re-enable the receiver. */
986 outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
991 printk("%s: Infinite loop in interrupt, status %4.4x.\n",
993 /* Clear all interrupts. */
994 outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
997 /* Acknowledge the IRQ. */
998 outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); /* Ack IRQ */
1001 if (el3_debug > 4) {
1002 printk("%s: exiting interrupt, status %4.4x.\n", dev->name,
1003 inw(ioaddr + EL3_STATUS));
1005 spin_unlock(&lp->lock);
1010 #ifdef CONFIG_NET_POLL_CONTROLLER
1012 * Polling receive - used by netconsole and other diagnostic tools
1013 * to allow network i/o with interrupts disabled.
1015 static void el3_poll_controller(struct net_device *dev)
1017 disable_irq(dev->irq);
1018 el3_interrupt(dev->irq, dev, NULL);
1019 enable_irq(dev->irq);
1023 static struct net_device_stats *
1024 el3_get_stats(struct net_device *dev)
1026 struct el3_private *lp = netdev_priv(dev);
1027 unsigned long flags;
1030 * This is fast enough not to bother with disable IRQ
1034 spin_lock_irqsave(&lp->lock, flags);
1036 spin_unlock_irqrestore(&lp->lock, flags);
1040 /* Update statistics. We change to register window 6, so this should be run
1041 single-threaded if the device is active. This is expected to be a rare
1042 operation, and it's simpler for the rest of the driver to assume that
1043 window 1 is always valid rather than use a special window-state variable.
1045 static void update_stats(struct net_device *dev)
1047 struct el3_private *lp = netdev_priv(dev);
1048 int ioaddr = dev->base_addr;
1051 printk(" Updating the statistics.\n");
1052 /* Turn off statistics updates while reading. */
1053 outw(StatsDisable, ioaddr + EL3_CMD);
1054 /* Switch to the stats window, and read everything. */
1056 lp->stats.tx_carrier_errors += inb(ioaddr + 0);
1057 lp->stats.tx_heartbeat_errors += inb(ioaddr + 1);
1058 /* Multiple collisions. */ inb(ioaddr + 2);
1059 lp->stats.collisions += inb(ioaddr + 3);
1060 lp->stats.tx_window_errors += inb(ioaddr + 4);
1061 lp->stats.rx_fifo_errors += inb(ioaddr + 5);
1062 lp->stats.tx_packets += inb(ioaddr + 6);
1063 /* Rx packets */ inb(ioaddr + 7);
1064 /* Tx deferrals */ inb(ioaddr + 8);
1065 inw(ioaddr + 10); /* Total Rx and Tx octets. */
1068 /* Back to window 1, and turn statistics back on. */
1070 outw(StatsEnable, ioaddr + EL3_CMD);
1075 el3_rx(struct net_device *dev)
1077 struct el3_private *lp = netdev_priv(dev);
1078 int ioaddr = dev->base_addr;
1082 printk(" In rx_packet(), status %4.4x, rx_status %4.4x.\n",
1083 inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
1084 while ((rx_status = inw(ioaddr + RX_STATUS)) > 0) {
1085 if (rx_status & 0x4000) { /* Error, update stats. */
1086 short error = rx_status & 0x3800;
1088 outw(RxDiscard, ioaddr + EL3_CMD);
1089 lp->stats.rx_errors++;
1091 case 0x0000: lp->stats.rx_over_errors++; break;
1092 case 0x0800: lp->stats.rx_length_errors++; break;
1093 case 0x1000: lp->stats.rx_frame_errors++; break;
1094 case 0x1800: lp->stats.rx_length_errors++; break;
1095 case 0x2000: lp->stats.rx_frame_errors++; break;
1096 case 0x2800: lp->stats.rx_crc_errors++; break;
1099 short pkt_len = rx_status & 0x7ff;
1100 struct sk_buff *skb;
1102 skb = dev_alloc_skb(pkt_len+5);
1103 lp->stats.rx_bytes += pkt_len;
1105 printk("Receiving packet size %d status %4.4x.\n",
1106 pkt_len, rx_status);
1109 skb_reserve(skb, 2); /* Align IP on 16 byte */
1111 /* 'skb->data' points to the start of sk_buff data area. */
1113 insl_ns(ioaddr+RX_FIFO, skb_put(skb,pkt_len),
1114 (pkt_len + 3) >> 2);
1116 insl(ioaddr + RX_FIFO, skb_put(skb,pkt_len),
1117 (pkt_len + 3) >> 2);
1120 outw(RxDiscard, ioaddr + EL3_CMD); /* Pop top Rx packet. */
1121 skb->protocol = eth_type_trans(skb,dev);
1123 dev->last_rx = jiffies;
1124 lp->stats.rx_packets++;
1127 outw(RxDiscard, ioaddr + EL3_CMD);
1128 lp->stats.rx_dropped++;
1130 printk("%s: Couldn't allocate a sk_buff of size %d.\n",
1131 dev->name, pkt_len);
1133 inw(ioaddr + EL3_STATUS); /* Delay. */
1134 while (inw(ioaddr + EL3_STATUS) & 0x1000)
1135 printk(KERN_DEBUG " Waiting for 3c509 to discard packet, status %x.\n",
1136 inw(ioaddr + EL3_STATUS) );
1143 * Set or clear the multicast filter for this adaptor.
1146 set_multicast_list(struct net_device *dev)
1148 unsigned long flags;
1149 struct el3_private *lp = netdev_priv(dev);
1150 int ioaddr = dev->base_addr;
1152 if (el3_debug > 1) {
1154 if (old != dev->mc_count) {
1155 old = dev->mc_count;
1156 printk("%s: Setting Rx mode to %d addresses.\n", dev->name, dev->mc_count);
1159 spin_lock_irqsave(&lp->lock, flags);
1160 if (dev->flags&IFF_PROMISC) {
1161 outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast | RxProm,
1164 else if (dev->mc_count || (dev->flags&IFF_ALLMULTI)) {
1165 outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast, ioaddr + EL3_CMD);
1168 outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
1169 spin_unlock_irqrestore(&lp->lock, flags);
1173 el3_close(struct net_device *dev)
1175 int ioaddr = dev->base_addr;
1176 struct el3_private *lp = netdev_priv(dev);
1179 printk("%s: Shutting down ethercard.\n", dev->name);
1183 free_irq(dev->irq, dev);
1184 /* Switching back to window 0 disables the IRQ. */
1186 if (lp->type != EL3_EISA) {
1187 /* But we explicitly zero the IRQ line select anyway. Don't do
1188 * it on EISA cards, it prevents the module from getting an
1189 * IRQ after unload+reload... */
1190 outw(0x0f00, ioaddr + WN0_IRQ);
1197 el3_link_ok(struct net_device *dev)
1199 int ioaddr = dev->base_addr;
1203 tmp = inw(ioaddr + WN4_MEDIA);
1205 return tmp & (1<<11);
1209 el3_netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
1212 int ioaddr = dev->base_addr;
1215 /* obtain current transceiver via WN4_MEDIA? */
1216 tmp = inw(ioaddr + WN0_ADDR_CONF);
1217 ecmd->transceiver = XCVR_INTERNAL;
1218 switch (tmp >> 14) {
1220 ecmd->port = PORT_TP;
1223 ecmd->port = PORT_AUI;
1224 ecmd->transceiver = XCVR_EXTERNAL;
1227 ecmd->port = PORT_BNC;
1232 ecmd->duplex = DUPLEX_HALF;
1233 ecmd->supported = 0;
1234 tmp = inw(ioaddr + WN0_CONF_CTRL);
1236 ecmd->supported |= SUPPORTED_AUI;
1238 ecmd->supported |= SUPPORTED_BNC;
1240 ecmd->supported |= SUPPORTED_TP | SUPPORTED_10baseT_Half |
1241 SUPPORTED_10baseT_Full; /* hmm... */
1243 tmp = inw(ioaddr + WN4_NETDIAG);
1244 if (tmp & FD_ENABLE)
1245 ecmd->duplex = DUPLEX_FULL;
1248 ecmd->speed = SPEED_10;
1254 el3_netdev_set_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
1257 int ioaddr = dev->base_addr;
1259 if (ecmd->speed != SPEED_10)
1261 if ((ecmd->duplex != DUPLEX_HALF) && (ecmd->duplex != DUPLEX_FULL))
1263 if ((ecmd->transceiver != XCVR_INTERNAL) && (ecmd->transceiver != XCVR_EXTERNAL))
1266 /* change XCVR type */
1268 tmp = inw(ioaddr + WN0_ADDR_CONF);
1269 switch (ecmd->port) {
1286 outw(tmp, ioaddr + WN0_ADDR_CONF);
1287 if (dev->if_port == 3) {
1288 /* fire up the DC-DC convertor if BNC gets enabled */
1289 tmp = inw(ioaddr + WN0_ADDR_CONF);
1290 if (tmp & (3 << 14)) {
1291 outw(StartCoax, ioaddr + EL3_CMD);
1298 tmp = inw(ioaddr + WN4_NETDIAG);
1299 if (ecmd->duplex == DUPLEX_FULL)
1303 outw(tmp, ioaddr + WN4_NETDIAG);
1309 static void el3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1311 strcpy(info->driver, DRV_NAME);
1312 strcpy(info->version, DRV_VERSION);
1315 static int el3_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1317 struct el3_private *lp = netdev_priv(dev);
1320 spin_lock_irq(&lp->lock);
1321 ret = el3_netdev_get_ecmd(dev, ecmd);
1322 spin_unlock_irq(&lp->lock);
1326 static int el3_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1328 struct el3_private *lp = netdev_priv(dev);
1331 spin_lock_irq(&lp->lock);
1332 ret = el3_netdev_set_ecmd(dev, ecmd);
1333 spin_unlock_irq(&lp->lock);
1337 static u32 el3_get_link(struct net_device *dev)
1339 struct el3_private *lp = netdev_priv(dev);
1342 spin_lock_irq(&lp->lock);
1343 ret = el3_link_ok(dev);
1344 spin_unlock_irq(&lp->lock);
1348 static u32 el3_get_msglevel(struct net_device *dev)
1353 static void el3_set_msglevel(struct net_device *dev, u32 v)
1358 static struct ethtool_ops ethtool_ops = {
1359 .get_drvinfo = el3_get_drvinfo,
1360 .get_settings = el3_get_settings,
1361 .set_settings = el3_set_settings,
1362 .get_link = el3_get_link,
1363 .get_msglevel = el3_get_msglevel,
1364 .set_msglevel = el3_set_msglevel,
1368 el3_down(struct net_device *dev)
1370 int ioaddr = dev->base_addr;
1372 netif_stop_queue(dev);
1374 /* Turn off statistics ASAP. We update lp->stats below. */
1375 outw(StatsDisable, ioaddr + EL3_CMD);
1377 /* Disable the receiver and transmitter. */
1378 outw(RxDisable, ioaddr + EL3_CMD);
1379 outw(TxDisable, ioaddr + EL3_CMD);
1381 if (dev->if_port == 3)
1382 /* Turn off thinnet power. Green! */
1383 outw(StopCoax, ioaddr + EL3_CMD);
1384 else if (dev->if_port == 0) {
1385 /* Disable link beat and jabber, if_port may change here next open(). */
1387 outw(inw(ioaddr + WN4_MEDIA) & ~MEDIA_TP, ioaddr + WN4_MEDIA);
1390 outw(SetIntrEnb | 0x0000, ioaddr + EL3_CMD);
1396 el3_up(struct net_device *dev)
1398 int i, sw_info, net_diag;
1399 int ioaddr = dev->base_addr;
1401 /* Activating the board required and does no harm otherwise */
1402 outw(0x0001, ioaddr + 4);
1404 /* Set the IRQ line. */
1405 outw((dev->irq << 12) | 0x0f00, ioaddr + WN0_IRQ);
1407 /* Set the station address in window 2 each time opened. */
1410 for (i = 0; i < 6; i++)
1411 outb(dev->dev_addr[i], ioaddr + i);
1413 if ((dev->if_port & 0x03) == 3) /* BNC interface */
1414 /* Start the thinnet transceiver. We should really wait 50ms...*/
1415 outw(StartCoax, ioaddr + EL3_CMD);
1416 else if ((dev->if_port & 0x03) == 0) { /* 10baseT interface */
1417 /* Combine secondary sw_info word (the adapter level) and primary
1418 sw_info word (duplex setting plus other useless bits) */
1420 sw_info = (read_eeprom(ioaddr, 0x14) & 0x400f) |
1421 (read_eeprom(ioaddr, 0x0d) & 0xBff0);
1424 net_diag = inw(ioaddr + WN4_NETDIAG);
1425 net_diag = (net_diag | FD_ENABLE); /* temporarily assume full-duplex will be set */
1426 printk("%s: ", dev->name);
1427 switch (dev->if_port & 0x0c) {
1429 /* force full-duplex mode if 3c5x9b */
1430 if (sw_info & 0x000f) {
1431 printk("Forcing 3c5x9b full-duplex mode");
1435 /* set full-duplex mode based on eeprom config setting */
1436 if ((sw_info & 0x000f) && (sw_info & 0x8000)) {
1437 printk("Setting 3c5x9b full-duplex mode (from EEPROM configuration bit)");
1441 /* xcvr=(0 || 4) OR user has an old 3c5x9 non "B" model */
1442 printk("Setting 3c5x9/3c5x9B half-duplex mode");
1443 net_diag = (net_diag & ~FD_ENABLE); /* disable full duplex */
1446 outw(net_diag, ioaddr + WN4_NETDIAG);
1447 printk(" if_port: %d, sw_info: %4.4x\n", dev->if_port, sw_info);
1449 printk("%s: 3c5x9 net diag word is now: %4.4x.\n", dev->name, net_diag);
1450 /* Enable link beat and jabber check. */
1451 outw(inw(ioaddr + WN4_MEDIA) | MEDIA_TP, ioaddr + WN4_MEDIA);
1454 /* Switch to the stats window, and clear all stats by reading. */
1455 outw(StatsDisable, ioaddr + EL3_CMD);
1457 for (i = 0; i < 9; i++)
1462 /* Switch to register set 1 for normal use. */
1465 /* Accept b-case and phys addr only. */
1466 outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
1467 outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */
1469 outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */
1470 outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */
1471 /* Allow status bits to be seen. */
1472 outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD);
1473 /* Ack all pending events, and set active indicator mask. */
1474 outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
1476 outw(SetIntrEnb | IntLatch|TxAvailable|TxComplete|RxComplete|StatsFull,
1479 netif_start_queue(dev);
1482 /* Power Management support functions */
1483 #ifdef CONFIG_PM_LEGACY
1486 el3_suspend(struct pm_dev *pdev)
1488 unsigned long flags;
1489 struct net_device *dev;
1490 struct el3_private *lp;
1493 if (!pdev && !pdev->data)
1496 dev = (struct net_device *)pdev->data;
1497 lp = netdev_priv(dev);
1498 ioaddr = dev->base_addr;
1500 spin_lock_irqsave(&lp->lock, flags);
1502 if (netif_running(dev))
1503 netif_device_detach(dev);
1506 outw(PowerDown, ioaddr + EL3_CMD);
1508 spin_unlock_irqrestore(&lp->lock, flags);
1513 el3_resume(struct pm_dev *pdev)
1515 unsigned long flags;
1516 struct net_device *dev;
1517 struct el3_private *lp;
1520 if (!pdev && !pdev->data)
1523 dev = (struct net_device *)pdev->data;
1524 lp = netdev_priv(dev);
1525 ioaddr = dev->base_addr;
1527 spin_lock_irqsave(&lp->lock, flags);
1529 outw(PowerUp, ioaddr + EL3_CMD);
1532 if (netif_running(dev))
1533 netif_device_attach(dev);
1535 spin_unlock_irqrestore(&lp->lock, flags);
1540 el3_pm_callback(struct pm_dev *pdev, pm_request_t rqst, void *data)
1544 return el3_suspend(pdev);
1547 return el3_resume(pdev);
1552 #endif /* CONFIG_PM_LEGACY */
1554 /* Parameters that may be passed into the module. */
1555 static int debug = -1;
1556 static int irq[] = {-1, -1, -1, -1, -1, -1, -1, -1};
1557 static int xcvr[] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
1559 module_param(debug,int, 0);
1560 module_param_array(irq, int, NULL, 0);
1561 module_param_array(xcvr, int, NULL, 0);
1562 module_param(max_interrupt_work, int, 0);
1563 MODULE_PARM_DESC(debug, "debug level (0-6)");
1564 MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)");
1565 MODULE_PARM_DESC(xcvr,"transceiver(s) (0=internal, 1=external)");
1566 MODULE_PARM_DESC(max_interrupt_work, "maximum events handled per interrupt");
1567 #if defined(__ISAPNP__)
1568 module_param(nopnp, int, 0);
1569 MODULE_PARM_DESC(nopnp, "disable ISA PnP support (0-1)");
1570 MODULE_DEVICE_TABLE(isapnp, el3_isapnp_adapters);
1571 #endif /* __ISAPNP__ */
1572 MODULE_DESCRIPTION("3Com Etherlink III (3c509, 3c509B) ISA/PnP ethernet driver");
1573 MODULE_LICENSE("GPL");
1575 static int __init el3_init_module(void)
1583 el3_root_dev = NULL;
1584 while (el3_probe(el3_cards) == 0) {
1585 if (irq[el3_cards] > 1)
1586 el3_root_dev->irq = irq[el3_cards];
1587 if (xcvr[el3_cards] >= 0)
1588 el3_root_dev->if_port = xcvr[el3_cards];
1593 ret = eisa_driver_register(&el3_eisa_driver);
1597 int err = mca_register_driver(&el3_mca_driver);
1605 static void __exit el3_cleanup_module(void)
1607 struct net_device *next_dev;
1609 while (el3_root_dev) {
1610 struct el3_private *lp = netdev_priv(el3_root_dev);
1612 next_dev = lp->next_dev;
1613 el3_common_remove (el3_root_dev);
1614 el3_root_dev = next_dev;
1618 eisa_driver_unregister (&el3_eisa_driver);
1621 mca_unregister_driver(&el3_mca_driver);
1625 module_init (el3_init_module);
1626 module_exit (el3_cleanup_module);