1 /* ne2.c: A NE/2 Ethernet Driver for Linux. */
3 Based on the NE2000 driver written by Donald Becker (1992-94).
4 modified by Wim Dumon (Apr 1996)
6 This software may be used and distributed according to the terms
7 of the GNU General Public License, incorporated herein by reference.
9 The author may be reached as wimpie@linux.cc.kuleuven.ac.be
11 Currently supported: NE/2
12 This patch was never tested on other MCA-ethernet adapters, but it
13 might work. Just give it a try and let me know if you have problems.
14 Also mail me if it really works, please!
17 Mon Feb 3 16:26:02 MET 1997
18 - adapted the driver to work with the 2.1.25 kernel
19 - multiple ne2 support (untested)
20 - module support (untested)
22 Fri Aug 28 00:18:36 CET 1998 (David Weinehall)
23 - fixed a few minor typos
24 - made the MODULE_PARM conditional (it only works with the v2.1.x kernels)
25 - fixed the module support (Now it's working...)
27 Mon Sep 7 19:01:44 CET 1998 (David Weinehall)
28 - added support for Arco Electronics AE/2-card (experimental)
30 Mon Sep 14 09:53:42 CET 1998 (David Weinehall)
31 - added support for Compex ENET-16MC/P (experimental)
33 Tue Sep 15 16:21:12 CET 1998 (David Weinehall, Magnus Jonsson, Tomas Ogren)
34 - Miscellaneous bugfixes
36 Tue Sep 19 16:21:12 CET 1998 (Magnus Jonsson)
39 Wed Sep 23 14:33:34 CET 1998 (David Weinehall)
40 - Restructuring and rewriting for v2.1.x compliance
42 Wed Oct 14 17:19:21 CET 1998 (David Weinehall)
43 - Added code that unregisters irq and proc-info
46 Mon Nov 16 15:28:23 CET 1998 (Wim Dumon)
47 - pass 'dev' as last parameter of request_irq in stead of 'NULL'
49 Wed Feb 7 21:24:00 CET 2001 (Alfred Arnold)
50 - added support for the D-Link DE-320CT
54 This is alpha-test software. It is not guaranteed to work. As a
55 matter of fact, I'm quite sure there are *LOTS* of bugs in here. I
56 would like to hear from you if you use this driver, even if it works.
57 If it doesn't work, be sure to send me a mail with the problems !
60 static const char *version = "ne2.c:v0.91 Nov 16 1998 Wim Dumon <wimpie@kotnet.org>\n";
62 #include <linux/module.h>
63 #include <linux/kernel.h>
64 #include <linux/types.h>
65 #include <linux/fcntl.h>
66 #include <linux/interrupt.h>
67 #include <linux/ioport.h>
69 #include <linux/string.h>
70 #include <linux/errno.h>
71 #include <linux/init.h>
72 #include <linux/mca-legacy.h>
73 #include <linux/netdevice.h>
74 #include <linux/etherdevice.h>
75 #include <linux/skbuff.h>
76 #include <linux/bitops.h>
77 #include <linux/jiffies.h>
84 #define DRV_NAME "ne2"
86 /* Some defines that people can play with if so inclined. */
88 /* Do we perform extra sanity checks on stuff ? */
89 /* #define NE_SANITY_CHECK */
91 /* Do we implement the read before write bugfix ? */
92 /* #define NE_RW_BUGFIX */
94 /* Do we have a non std. amount of memory? (in units of 256 byte pages) */
95 /* #define PACKETBUF_MEMSIZE 0x40 */
98 /* ---- No user-serviceable parts below ---- */
100 #define NE_BASE (dev->base_addr)
102 #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
103 #define NE_RESET 0x20 /* Issue a read to reset, a write to clear. */
104 #define NE_IO_EXTENT 0x30
106 #define NE1SM_START_PG 0x20 /* First page of TX buffer */
107 #define NE1SM_STOP_PG 0x40 /* Last page +1 of RX ring */
108 #define NESM_START_PG 0x40 /* First page of TX buffer */
109 #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
111 /* From the .ADF file: */
112 static unsigned int addresses[7] __initdata =
113 {0x1000, 0x2020, 0x8020, 0xa0a0, 0xb0b0, 0xc0c0, 0xc3d0};
114 static int irqs[4] __initdata = {3, 4, 5, 9};
116 /* From the D-Link ADF file: */
117 static unsigned int dlink_addresses[4] __initdata =
118 {0x300, 0x320, 0x340, 0x360};
119 static int dlink_irqs[8] __initdata = {3, 4, 5, 9, 10, 11, 14, 15};
121 struct ne2_adapters_t {
126 static struct ne2_adapters_t ne2_adapters[] __initdata = {
127 { 0x6354, "Arco Ethernet Adapter AE/2" },
128 { 0x70DE, "Compex ENET-16 MC/P" },
129 { 0x7154, "Novell Ethernet Adapter NE/2" },
130 { 0x56ea, "D-Link DE-320CT" },
134 extern int netcard_probe(struct net_device *dev);
136 static int ne2_probe1(struct net_device *dev, int slot);
138 static void ne_reset_8390(struct net_device *dev);
139 static void ne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
141 static void ne_block_input(struct net_device *dev, int count,
142 struct sk_buff *skb, int ring_offset);
143 static void ne_block_output(struct net_device *dev, const int count,
144 const unsigned char *buf, const int start_page);
148 * special code to read the DE-320's MAC address EEPROM. In contrast to a
149 * standard NE design, this is a serial EEPROM (93C46) that has to be read
150 * bit by bit. The EEPROM cotrol port at base + 0x1e has the following
153 * Bit 0 = Data out (read from EEPROM)
154 * Bit 1 = Data in (write to EEPROM)
156 * Bit 3 = Chip Select
157 * Bit 7 = ~50 kHz clock for defined delays
161 static void __init dlink_put_eeprom(unsigned char value, unsigned int addr)
164 unsigned char v1, v2;
166 /* write the value to the NIC EEPROM register */
168 outb(value, addr + 0x1e);
170 /* now wait the clock line to toggle twice. Effectively, we are
171 waiting (at least) for one clock cycle */
173 for (z = 0; z < 2; z++) {
175 v1 = inb(addr + 0x1e);
176 v2 = inb(addr + 0x1e);
178 while (!((v1 ^ v2) & 0x80));
182 static void __init dlink_send_eeprom_bit(unsigned int bit, unsigned int addr)
184 /* shift data bit into correct position */
188 /* write value, keep clock line high for two cycles */
190 dlink_put_eeprom(0x09 | bit, addr);
191 dlink_put_eeprom(0x0d | bit, addr);
192 dlink_put_eeprom(0x0d | bit, addr);
193 dlink_put_eeprom(0x09 | bit, addr);
196 static void __init dlink_send_eeprom_word(unsigned int value, unsigned int len, unsigned int addr)
200 /* adjust bits so that they are left-aligned in a 16-bit-word */
202 value = value << (16 - len);
204 /* shift bits out to the EEPROM */
206 for (z = 0; z < len; z++) {
207 dlink_send_eeprom_bit((value & 0x8000) >> 15, addr);
212 static unsigned int __init dlink_get_eeprom(unsigned int eeaddr, unsigned int addr)
215 unsigned int value = 0;
217 /* pull the CS line low for a moment. This resets the EEPROM-
218 internal logic, and makes it ready for a new command. */
220 dlink_put_eeprom(0x01, addr);
221 dlink_put_eeprom(0x09, addr);
223 /* send one start bit, read command (1 - 0), plus the address to
226 dlink_send_eeprom_word(0x0180 | (eeaddr & 0x3f), 9, addr);
228 /* get the data word. We clock by sending 0s to the EEPROM, which
229 get ignored during the read process */
231 for (z = 0; z < 16; z++) {
232 dlink_send_eeprom_bit(0, addr);
233 value = (value << 1) | (inb(addr + 0x1e) & 0x01);
240 * Note that at boot, this probe only picks up one card at a time.
243 static int __init do_ne2_probe(struct net_device *dev)
245 static int current_mca_slot = -1;
247 int adapter_found = 0;
249 /* Do not check any supplied i/o locations.
250 POS registers usually don't fail :) */
252 /* MCA cards have POS registers.
253 Autodetecting MCA cards is extremely simple.
254 Just search for the card. */
256 for(i = 0; (ne2_adapters[i].name != NULL) && !adapter_found; i++) {
258 mca_find_unused_adapter(ne2_adapters[i].id, 0);
260 if((current_mca_slot != MCA_NOTFOUND) && !adapter_found) {
262 mca_set_adapter_name(current_mca_slot,
263 ne2_adapters[i].name);
264 mca_mark_as_used(current_mca_slot);
266 res = ne2_probe1(dev, current_mca_slot);
268 mca_mark_as_unused(current_mca_slot);
276 struct net_device * __init ne2_probe(int unit)
278 struct net_device *dev = alloc_eip_netdev();
282 return ERR_PTR(-ENOMEM);
284 sprintf(dev->name, "eth%d", unit);
285 netdev_boot_setup_check(dev);
287 err = do_ne2_probe(dev);
297 static int ne2_procinfo(char *buf, int slot, struct net_device *dev)
301 len += sprintf(buf+len, "The NE/2 Ethernet Adapter\n" );
302 len += sprintf(buf+len, "Driver written by Wim Dumon ");
303 len += sprintf(buf+len, "<wimpie@kotnet.org>\n");
304 len += sprintf(buf+len, "Modified by ");
305 len += sprintf(buf+len, "David Weinehall <tao@acc.umu.se>\n");
306 len += sprintf(buf+len, "and by Magnus Jonsson <bigfoot@acc.umu.se>\n");
307 len += sprintf(buf+len, "Based on the original NE2000 drivers\n" );
308 len += sprintf(buf+len, "Base IO: %#x\n", (unsigned int)dev->base_addr);
309 len += sprintf(buf+len, "IRQ : %d\n", dev->irq);
310 len += sprintf(buf+len, "HW addr : %pM\n", dev->dev_addr);
315 static int __init ne2_probe1(struct net_device *dev, int slot)
317 int i, base_addr, irq, retval;
319 unsigned char SA_prom[32];
320 const char *name = "NE/2";
321 int start_page, stop_page;
322 static unsigned version_printed;
324 if (ei_debug && version_printed++ == 0)
327 printk("NE/2 ethercard found in slot %d:", slot);
329 /* Read base IO and IRQ from the POS-registers */
330 POS = mca_read_stored_pos(slot, 2);
332 printk(" disabled.\n");
336 /* handle different POS register structure for D-Link card */
338 if (mca_read_stored_pos(slot, 0) == 0xea) {
339 base_addr = dlink_addresses[(POS >> 5) & 0x03];
340 irq = dlink_irqs[(POS >> 2) & 0x07];
344 /* printk("Halleluja sdog, als er na de pijl een 1 staat is 1 - 1 == 0"
345 " en zou het moeten werken -> %d\n", i);
346 The above line was for remote testing, thanx to sdog ... */
347 base_addr = addresses[i - 1];
348 irq = irqs[(POS & 0x60)>>5];
351 if (!request_region(base_addr, NE_IO_EXTENT, DRV_NAME))
355 printk("POS info : pos 2 = %#x ; base = %#x ; irq = %ld\n", POS,
360 /* Reset the card the way they do it in the Crynwr packet driver */
362 outb(0x0, base_addr + NE_RESET);
363 inb(base_addr + NE_RESET);
364 outb(0x21, base_addr + NE_CMD);
365 if (inb(base_addr + NE_CMD) != 0x21) {
366 printk("NE/2 adapter not responding\n");
371 /* In the crynwr sources they do a RAM-test here. I skip it. I suppose
372 my RAM is okay. Suppose your memory is broken. Then this test
373 should fail and you won't be able to use your card. But if I do not
374 test, you won't be able to use your card, neither. So this test
377 #else /* _I_ never tested it this way .. Go ahead and try ...*/
378 /* Reset card. Who knows what dain-bramaged state it was left in. */
380 unsigned long reset_start_time = jiffies;
382 /* DON'T change these to inb_p/outb_p or reset will fail on
384 outb(inb(base_addr + NE_RESET), base_addr + NE_RESET);
386 while ((inb_p(base_addr + EN0_ISR) & ENISR_RESET) == 0)
387 if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
388 printk(" not found (no reset ack).\n");
393 outb_p(0xff, base_addr + EN0_ISR); /* Ack all intr. */
398 /* Read the 16 bytes of station address PROM.
399 We must first initialize registers, similar to
400 NS8390p_init(eifdev, 0).
401 We can't reliably read the SAPROM address without this.
402 (I learned the hard way!). */
405 unsigned char value, offset;
408 {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD},
409 {0x49, EN0_DCFG}, /* Set WORD-wide (0x49) access. */
410 {0x00, EN0_RCNTLO}, /* Clear the count regs. */
412 {0x00, EN0_IMR}, /* Mask completion irq. */
414 {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
415 {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
418 {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
420 {E8390_RREAD+E8390_START, E8390_CMD},
423 for (i = 0; i < ARRAY_SIZE(program_seq); i++)
424 outb_p(program_seq[i].value, base_addr +
425 program_seq[i].offset);
428 for(i = 0; i < 6 /*sizeof(SA_prom)*/; i+=1) {
429 SA_prom[i] = inb(base_addr + NE_DATAPORT);
432 /* I don't know whether the previous sequence includes the general
433 board reset procedure, so better don't omit it and just overwrite
434 the garbage read from a DE-320 with correct stuff. */
436 if (mca_read_stored_pos(slot, 0) == 0xea) {
439 for (i = 0; i < 3; i++) {
440 v = dlink_get_eeprom(i, base_addr);
441 SA_prom[(i << 1) ] = v & 0xff;
442 SA_prom[(i << 1) + 1] = (v >> 8) & 0xff;
446 start_page = NESM_START_PG;
447 stop_page = NESM_STOP_PG;
451 /* Snarf the interrupt now. There's no point in waiting since we cannot
452 share and the board will usually be enabled. */
453 retval = request_irq(dev->irq, eip_interrupt, 0, DRV_NAME, dev);
455 printk (" unable to get IRQ %d (irqval=%d).\n",
460 dev->base_addr = base_addr;
462 for (i = 0; i < ETH_ALEN; i++)
463 dev->dev_addr[i] = SA_prom[i];
465 printk(" %pM\n", dev->dev_addr);
467 printk("%s: %s found at %#x, using IRQ %d.\n",
468 dev->name, name, base_addr, dev->irq);
470 mca_set_adapter_procfn(slot, (MCA_ProcFn) ne2_procinfo, dev);
472 ei_status.name = name;
473 ei_status.tx_start_page = start_page;
474 ei_status.stop_page = stop_page;
475 ei_status.word16 = (2 == 2);
477 ei_status.rx_start_page = start_page + TX_PAGES;
478 #ifdef PACKETBUF_MEMSIZE
479 /* Allow the packet buffer size to be overridden by know-it-alls. */
480 ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
483 ei_status.reset_8390 = &ne_reset_8390;
484 ei_status.block_input = &ne_block_input;
485 ei_status.block_output = &ne_block_output;
486 ei_status.get_8390_hdr = &ne_get_8390_hdr;
488 ei_status.priv = slot;
490 dev->netdev_ops = &eip_netdev_ops;
491 NS8390p_init(dev, 0);
493 retval = register_netdev(dev);
498 mca_set_adapter_procfn( ei_status.priv, NULL, NULL);
499 free_irq(dev->irq, dev);
501 release_region(base_addr, NE_IO_EXTENT);
505 /* Hard reset the card. This used to pause for the same period that a
506 8390 reset command required, but that shouldn't be necessary. */
507 static void ne_reset_8390(struct net_device *dev)
509 unsigned long reset_start_time = jiffies;
512 printk("resetting the 8390 t=%ld...", jiffies);
514 /* DON'T change these to inb_p/outb_p or reset will fail on clones. */
515 outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
518 ei_status.dmaing = 0;
520 /* This check _should_not_ be necessary, omit eventually. */
521 while ((inb_p(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
522 if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
523 printk("%s: ne_reset_8390() did not complete.\n",
527 outb_p(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
530 /* Grab the 8390 specific header. Similar to the block_input routine, but
531 we don't need to be concerned with ring wrap as the header will be at
532 the start of a page, so we optimize accordingly. */
534 static void ne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
538 int nic_base = dev->base_addr;
540 /* This *shouldn't* happen.
541 If it does, it's the last thing you'll see */
542 if (ei_status.dmaing) {
543 printk("%s: DMAing conflict in ne_get_8390_hdr "
544 "[DMAstat:%d][irqlock:%d].\n",
545 dev->name, ei_status.dmaing, ei_status.irqlock);
549 ei_status.dmaing |= 0x01;
550 outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
551 outb_p(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
552 outb_p(0, nic_base + EN0_RCNTHI);
553 outb_p(0, nic_base + EN0_RSARLO); /* On page boundary */
554 outb_p(ring_page, nic_base + EN0_RSARHI);
555 outb_p(E8390_RREAD+E8390_START, nic_base + NE_CMD);
557 if (ei_status.word16)
558 insw(NE_BASE + NE_DATAPORT, hdr,
559 sizeof(struct e8390_pkt_hdr)>>1);
561 insb(NE_BASE + NE_DATAPORT, hdr,
562 sizeof(struct e8390_pkt_hdr));
564 outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
565 ei_status.dmaing &= ~0x01;
568 /* Block input and output, similar to the Crynwr packet driver. If you
569 are porting to a new ethercard, look at the packet driver source for
570 hints. The NEx000 doesn't share the on-board packet memory -- you have
571 to put the packet out through the "remote DMA" dataport using outb. */
573 static void ne_block_input(struct net_device *dev, int count, struct sk_buff *skb,
576 #ifdef NE_SANITY_CHECK
577 int xfer_count = count;
579 int nic_base = dev->base_addr;
580 char *buf = skb->data;
582 /* This *shouldn't* happen.
583 If it does, it's the last thing you'll see */
584 if (ei_status.dmaing) {
585 printk("%s: DMAing conflict in ne_block_input "
586 "[DMAstat:%d][irqlock:%d].\n",
587 dev->name, ei_status.dmaing, ei_status.irqlock);
590 ei_status.dmaing |= 0x01;
591 outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
592 outb_p(count & 0xff, nic_base + EN0_RCNTLO);
593 outb_p(count >> 8, nic_base + EN0_RCNTHI);
594 outb_p(ring_offset & 0xff, nic_base + EN0_RSARLO);
595 outb_p(ring_offset >> 8, nic_base + EN0_RSARHI);
596 outb_p(E8390_RREAD+E8390_START, nic_base + NE_CMD);
597 if (ei_status.word16) {
598 insw(NE_BASE + NE_DATAPORT,buf,count>>1);
600 buf[count-1] = inb(NE_BASE + NE_DATAPORT);
601 #ifdef NE_SANITY_CHECK
606 insb(NE_BASE + NE_DATAPORT, buf, count);
609 #ifdef NE_SANITY_CHECK
610 /* This was for the ALPHA version only, but enough people have
611 been encountering problems so it is still here. If you see
612 this message you either 1) have a slightly incompatible clone
613 or 2) have noise/speed problems with your bus. */
614 if (ei_debug > 1) { /* DMA termination address check... */
615 int addr, tries = 20;
617 /* DON'T check for 'inb_p(EN0_ISR) & ENISR_RDC' here
618 -- it's broken for Rx on some cards! */
619 int high = inb_p(nic_base + EN0_RSARHI);
620 int low = inb_p(nic_base + EN0_RSARLO);
621 addr = (high << 8) + low;
622 if (((ring_offset + xfer_count) & 0xff) == low)
624 } while (--tries > 0);
626 printk("%s: RX transfer address mismatch,"
627 "%#4.4x (expected) vs. %#4.4x (actual).\n",
628 dev->name, ring_offset + xfer_count, addr);
631 outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
632 ei_status.dmaing &= ~0x01;
635 static void ne_block_output(struct net_device *dev, int count,
636 const unsigned char *buf, const int start_page)
638 int nic_base = NE_BASE;
639 unsigned long dma_start;
640 #ifdef NE_SANITY_CHECK
644 /* Round the count up for word writes. Do we need to do this?
645 What effect will an odd byte count have on the 8390?
646 I should check someday. */
647 if (ei_status.word16 && (count & 0x01))
650 /* This *shouldn't* happen.
651 If it does, it's the last thing you'll see */
652 if (ei_status.dmaing) {
653 printk("%s: DMAing conflict in ne_block_output."
654 "[DMAstat:%d][irqlock:%d]\n",
655 dev->name, ei_status.dmaing, ei_status.irqlock);
658 ei_status.dmaing |= 0x01;
659 /* We should already be in page 0, but to be safe... */
660 outb_p(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
662 #ifdef NE_SANITY_CHECK
666 #ifdef NE8390_RW_BUGFIX
667 /* Handle the read-before-write bug the same way as the
668 Crynwr packet driver -- the NatSemi method doesn't work.
669 Actually this doesn't always work either, but if you have
670 problems with your NEx000 this is better than nothing! */
671 outb_p(0x42, nic_base + EN0_RCNTLO);
672 outb_p(0x00, nic_base + EN0_RCNTHI);
673 outb_p(0x42, nic_base + EN0_RSARLO);
674 outb_p(0x00, nic_base + EN0_RSARHI);
675 outb_p(E8390_RREAD+E8390_START, nic_base + NE_CMD);
676 /* Make certain that the dummy read has occurred. */
682 outb_p(ENISR_RDC, nic_base + EN0_ISR);
684 /* Now the normal output. */
685 outb_p(count & 0xff, nic_base + EN0_RCNTLO);
686 outb_p(count >> 8, nic_base + EN0_RCNTHI);
687 outb_p(0x00, nic_base + EN0_RSARLO);
688 outb_p(start_page, nic_base + EN0_RSARHI);
690 outb_p(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
691 if (ei_status.word16) {
692 outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
694 outsb(NE_BASE + NE_DATAPORT, buf, count);
699 #ifdef NE_SANITY_CHECK
700 /* This was for the ALPHA version only, but enough people have
701 been encountering problems so it is still here. */
703 if (ei_debug > 1) { /* DMA termination address check... */
704 int addr, tries = 20;
706 int high = inb_p(nic_base + EN0_RSARHI);
707 int low = inb_p(nic_base + EN0_RSARLO);
708 addr = (high << 8) + low;
709 if ((start_page << 8) + count == addr)
711 } while (--tries > 0);
713 printk("%s: Tx packet transfer address mismatch,"
714 "%#4.4x (expected) vs. %#4.4x (actual).\n",
715 dev->name, (start_page << 8) + count, addr);
722 while ((inb_p(nic_base + EN0_ISR) & ENISR_RDC) == 0)
723 if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
724 printk("%s: timeout waiting for Tx RDC.\n", dev->name);
726 NS8390p_init(dev, 1);
730 outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
731 ei_status.dmaing &= ~0x01;
736 #define MAX_NE_CARDS 4 /* Max number of NE cards per module */
737 static struct net_device *dev_ne[MAX_NE_CARDS];
738 static int io[MAX_NE_CARDS];
739 static int irq[MAX_NE_CARDS];
740 static int bad[MAX_NE_CARDS]; /* 0xbad = bad sig or no reset ack */
741 MODULE_LICENSE("GPL");
743 module_param_array(io, int, NULL, 0);
744 module_param_array(irq, int, NULL, 0);
745 module_param_array(bad, int, NULL, 0);
746 MODULE_PARM_DESC(io, "(ignored)");
747 MODULE_PARM_DESC(irq, "(ignored)");
748 MODULE_PARM_DESC(bad, "(ignored)");
750 /* Module code fixed by David Weinehall */
752 int __init init_module(void)
754 struct net_device *dev;
755 int this_dev, found = 0;
757 for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
758 dev = alloc_eip_netdev();
761 dev->irq = irq[this_dev];
762 dev->mem_end = bad[this_dev];
763 dev->base_addr = io[this_dev];
764 if (do_ne2_probe(dev) == 0) {
765 dev_ne[found++] = dev;
773 printk(KERN_WARNING "ne2.c: No NE/2 card found\n");
777 static void cleanup_card(struct net_device *dev)
779 mca_mark_as_unused(ei_status.priv);
780 mca_set_adapter_procfn( ei_status.priv, NULL, NULL);
781 free_irq(dev->irq, dev);
782 release_region(dev->base_addr, NE_IO_EXTENT);
785 void __exit cleanup_module(void)
789 for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
790 struct net_device *dev = dev_ne[this_dev];
792 unregister_netdev(dev);