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49#include <linux/module.h>
50#include <linux/kernel.h>
51#include <linux/types.h>
52#include <linux/fcntl.h>
53#include <linux/interrupt.h>
54#include <linux/ioport.h>
55#include <linux/in.h>
56#include <linux/slab.h>
57#include <linux/string.h>
58#include <linux/errno.h>
59#include <linux/netdevice.h>
60#include <linux/etherdevice.h>
61#include <linux/skbuff.h>
62#include <linux/device.h>
63#include <linux/init.h>
64#include <linux/delay.h>
65#include <linux/bitops.h>
66
67#include <asm/ecard.h>
68#include <asm/io.h>
69
70static char version[] = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n";
71
72#include "ether3.h"
73
74static unsigned int net_debug = NET_DEBUG;
75
76static void ether3_setmulticastlist(struct net_device *dev);
77static int ether3_rx(struct net_device *dev, unsigned int maxcnt);
78static void ether3_tx(struct net_device *dev);
79static int ether3_open (struct net_device *dev);
80static netdev_tx_t ether3_sendpacket(struct sk_buff *skb,
81 struct net_device *dev);
82static irqreturn_t ether3_interrupt (int irq, void *dev_id);
83static int ether3_close (struct net_device *dev);
84static void ether3_setmulticastlist (struct net_device *dev);
85static void ether3_timeout(struct net_device *dev);
86
87#define BUS_16 2
88#define BUS_8 1
89#define BUS_UNKNOWN 0
90
91
92
93typedef enum {
94 buffer_write,
95 buffer_read
96} buffer_rw_t;
97
98
99
100
101
102
103static inline void ether3_outb(int v, void __iomem *r)
104{
105 writeb(v, r);
106 udelay(1);
107}
108
109static inline void ether3_outw(int v, void __iomem *r)
110{
111 writew(v, r);
112 udelay(1);
113}
114#define ether3_inb(r) ({ unsigned int __v = readb((r)); udelay(1); __v; })
115#define ether3_inw(r) ({ unsigned int __v = readw((r)); udelay(1); __v; })
116
117static int
118ether3_setbuffer(struct net_device *dev, buffer_rw_t read, int start)
119{
120 int timeout = 1000;
121
122 ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1);
123 ether3_outw(priv(dev)->regs.command | CMD_FIFOWRITE, REG_COMMAND);
124
125 while ((ether3_inw(REG_STATUS) & STAT_FIFOEMPTY) == 0) {
126 if (!timeout--) {
127 printk("%s: setbuffer broken\n", dev->name);
128 priv(dev)->broken = 1;
129 return 1;
130 }
131 udelay(1);
132 }
133
134 if (read == buffer_read) {
135 ether3_outw(start, REG_DMAADDR);
136 ether3_outw(priv(dev)->regs.command | CMD_FIFOREAD, REG_COMMAND);
137 } else {
138 ether3_outw(priv(dev)->regs.command | CMD_FIFOWRITE, REG_COMMAND);
139 ether3_outw(start, REG_DMAADDR);
140 }
141 return 0;
142}
143
144
145
146
147#define ether3_writebuffer(dev,data,length) \
148 writesw(REG_BUFWIN, (data), (length) >> 1)
149
150#define ether3_writeword(dev,data) \
151 writew((data), REG_BUFWIN)
152
153#define ether3_writelong(dev,data) { \
154 void __iomem *reg_bufwin = REG_BUFWIN; \
155 writew((data), reg_bufwin); \
156 writew((data) >> 16, reg_bufwin); \
157}
158
159
160
161
162#define ether3_readbuffer(dev,data,length) \
163 readsw(REG_BUFWIN, (data), (length) >> 1)
164
165#define ether3_readword(dev) \
166 readw(REG_BUFWIN)
167
168#define ether3_readlong(dev) \
169 readw(REG_BUFWIN) | (readw(REG_BUFWIN) << 16)
170
171
172
173
174static void ether3_ledoff(struct timer_list *t)
175{
176 struct dev_priv *private = from_timer(private, t, timer);
177 struct net_device *dev = private->dev;
178
179 ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2);
180}
181
182
183
184
185static inline void ether3_ledon(struct net_device *dev)
186{
187 del_timer(&priv(dev)->timer);
188 priv(dev)->timer.expires = jiffies + HZ / 50;
189 add_timer(&priv(dev)->timer);
190 if (priv(dev)->regs.config2 & CFG2_CTRLO)
191 ether3_outw(priv(dev)->regs.config2 &= ~CFG2_CTRLO, REG_CONFIG2);
192}
193
194
195
196
197
198static int
199ether3_addr(char *addr, struct expansion_card *ec)
200{
201 struct in_chunk_dir cd;
202 char *s;
203
204 if (ecard_readchunk(&cd, ec, 0xf5, 0) && (s = strchr(cd.d.string, '('))) {
205 int i;
206 for (i = 0; i<6; i++) {
207 addr[i] = simple_strtoul(s + 1, &s, 0x10);
208 if (*s != (i==5?')' : ':' ))
209 break;
210 }
211 if (i == 6)
212 return 0;
213 }
214
215
216
217 printk(KERN_ERR "ether3: Couldn't read a valid MAC address from card.\n");
218 return -ENODEV;
219}
220
221
222
223static int
224ether3_ramtest(struct net_device *dev, unsigned char byte)
225{
226 unsigned char *buffer = kmalloc(RX_END, GFP_KERNEL);
227 int i,ret = 0;
228 int max_errors = 4;
229 int bad = -1;
230
231 if (!buffer)
232 return 1;
233
234 memset(buffer, byte, RX_END);
235 ether3_setbuffer(dev, buffer_write, 0);
236 ether3_writebuffer(dev, buffer, TX_END);
237 ether3_setbuffer(dev, buffer_write, RX_START);
238 ether3_writebuffer(dev, buffer + RX_START, RX_LEN);
239 memset(buffer, byte ^ 0xff, RX_END);
240 ether3_setbuffer(dev, buffer_read, 0);
241 ether3_readbuffer(dev, buffer, TX_END);
242 ether3_setbuffer(dev, buffer_read, RX_START);
243 ether3_readbuffer(dev, buffer + RX_START, RX_LEN);
244
245 for (i = 0; i < RX_END; i++) {
246 if (buffer[i] != byte) {
247 if (max_errors > 0 && bad != buffer[i]) {
248 printk("%s: RAM failed with (%02X instead of %02X) at 0x%04X",
249 dev->name, buffer[i], byte, i);
250 ret = 2;
251 max_errors--;
252 bad = i;
253 }
254 } else {
255 if (bad != -1) {
256 if (bad != i - 1)
257 printk(" - 0x%04X\n", i - 1);
258 printk("\n");
259 bad = -1;
260 }
261 }
262 }
263 if (bad != -1)
264 printk(" - 0xffff\n");
265 kfree(buffer);
266
267 return ret;
268}
269
270
271
272static int ether3_init_2(struct net_device *dev)
273{
274 int i;
275
276 priv(dev)->regs.config1 = CFG1_RECVCOMPSTAT0|CFG1_DMABURST8;
277 priv(dev)->regs.config2 = CFG2_CTRLO|CFG2_RECVCRC|CFG2_ERRENCRC;
278 priv(dev)->regs.command = 0;
279
280
281
282
283 ether3_outw(priv(dev)->regs.config1 | CFG1_BUFSELSTAT0, REG_CONFIG1);
284 for (i = 0; i < 6; i++)
285 ether3_outb(dev->dev_addr[i], REG_BUFWIN);
286
287 if (dev->flags & IFF_PROMISC)
288 priv(dev)->regs.config1 |= CFG1_RECVPROMISC;
289 else if (dev->flags & IFF_MULTICAST)
290 priv(dev)->regs.config1 |= CFG1_RECVSPECBRMULTI;
291 else
292 priv(dev)->regs.config1 |= CFG1_RECVSPECBROAD;
293
294
295
296
297
298
299 ether3_outw(priv(dev)->regs.config1 | CFG1_TRANSEND, REG_CONFIG1);
300 ether3_outw((TX_END>>8) - 1, REG_BUFWIN);
301 ether3_outw(priv(dev)->rx_head, REG_RECVPTR);
302 ether3_outw(0, REG_TRANSMITPTR);
303 ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND);
304 ether3_outw(priv(dev)->regs.config2, REG_CONFIG2);
305 ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1);
306 ether3_outw(priv(dev)->regs.command, REG_COMMAND);
307
308 i = ether3_ramtest(dev, 0x5A);
309 if(i)
310 return i;
311 i = ether3_ramtest(dev, 0x1E);
312 if(i)
313 return i;
314
315 ether3_setbuffer(dev, buffer_write, 0);
316 ether3_writelong(dev, 0);
317 return 0;
318}
319
320static void
321ether3_init_for_open(struct net_device *dev)
322{
323 int i;
324
325
326 ether3_outw(CFG2_RESET, REG_CONFIG2);
327 udelay(4);
328
329 priv(dev)->regs.command = 0;
330 ether3_outw(CMD_RXOFF|CMD_TXOFF, REG_COMMAND);
331 while (ether3_inw(REG_STATUS) & (STAT_RXON|STAT_TXON))
332 barrier();
333
334 ether3_outw(priv(dev)->regs.config1 | CFG1_BUFSELSTAT0, REG_CONFIG1);
335 for (i = 0; i < 6; i++)
336 ether3_outb(dev->dev_addr[i], REG_BUFWIN);
337
338 priv(dev)->tx_head = 0;
339 priv(dev)->tx_tail = 0;
340 priv(dev)->regs.config2 |= CFG2_CTRLO;
341 priv(dev)->rx_head = RX_START;
342
343 ether3_outw(priv(dev)->regs.config1 | CFG1_TRANSEND, REG_CONFIG1);
344 ether3_outw((TX_END>>8) - 1, REG_BUFWIN);
345 ether3_outw(priv(dev)->rx_head, REG_RECVPTR);
346 ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND);
347 ether3_outw(0, REG_TRANSMITPTR);
348 ether3_outw(priv(dev)->regs.config2, REG_CONFIG2);
349 ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1);
350
351 ether3_setbuffer(dev, buffer_write, 0);
352 ether3_writelong(dev, 0);
353
354 priv(dev)->regs.command = CMD_ENINTRX | CMD_ENINTTX;
355 ether3_outw(priv(dev)->regs.command | CMD_RXON, REG_COMMAND);
356}
357
358static inline int
359ether3_probe_bus_8(struct net_device *dev, int val)
360{
361 int write_low, write_high, read_low, read_high;
362
363 write_low = val & 255;
364 write_high = val >> 8;
365
366 printk(KERN_DEBUG "ether3_probe: write8 [%02X:%02X]", write_high, write_low);
367
368 ether3_outb(write_low, REG_RECVPTR);
369 ether3_outb(write_high, REG_RECVPTR + 4);
370
371 read_low = ether3_inb(REG_RECVPTR);
372 read_high = ether3_inb(REG_RECVPTR + 4);
373
374 printk(", read8 [%02X:%02X]\n", read_high, read_low);
375
376 return read_low == write_low && read_high == write_high;
377}
378
379static inline int
380ether3_probe_bus_16(struct net_device *dev, int val)
381{
382 int read_val;
383
384 ether3_outw(val, REG_RECVPTR);
385 read_val = ether3_inw(REG_RECVPTR);
386
387 printk(KERN_DEBUG "ether3_probe: write16 [%04X], read16 [%04X]\n", val, read_val);
388
389 return read_val == val;
390}
391
392
393
394
395
396
397
398
399
400static int
401ether3_open(struct net_device *dev)
402{
403 if (request_irq(dev->irq, ether3_interrupt, 0, "ether3", dev))
404 return -EAGAIN;
405
406 ether3_init_for_open(dev);
407
408 netif_start_queue(dev);
409
410 return 0;
411}
412
413
414
415
416static int
417ether3_close(struct net_device *dev)
418{
419 netif_stop_queue(dev);
420
421 disable_irq(dev->irq);
422
423 ether3_outw(CMD_RXOFF|CMD_TXOFF, REG_COMMAND);
424 priv(dev)->regs.command = 0;
425 while (ether3_inw(REG_STATUS) & (STAT_RXON|STAT_TXON))
426 barrier();
427 ether3_outb(0x80, REG_CONFIG2 + 4);
428 ether3_outw(0, REG_COMMAND);
429
430 free_irq(dev->irq, dev);
431
432 return 0;
433}
434
435
436
437
438
439
440
441static void ether3_setmulticastlist(struct net_device *dev)
442{
443 priv(dev)->regs.config1 &= ~CFG1_RECVPROMISC;
444
445 if (dev->flags & IFF_PROMISC) {
446
447 priv(dev)->regs.config1 |= CFG1_RECVPROMISC;
448 } else if (dev->flags & IFF_ALLMULTI || !netdev_mc_empty(dev)) {
449 priv(dev)->regs.config1 |= CFG1_RECVSPECBRMULTI;
450 } else
451 priv(dev)->regs.config1 |= CFG1_RECVSPECBROAD;
452
453 ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1);
454}
455
456static void ether3_timeout(struct net_device *dev)
457{
458 unsigned long flags;
459
460 del_timer(&priv(dev)->timer);
461
462 local_irq_save(flags);
463 printk(KERN_ERR "%s: transmit timed out, network cable problem?\n", dev->name);
464 printk(KERN_ERR "%s: state: { status=%04X cfg1=%04X cfg2=%04X }\n", dev->name,
465 ether3_inw(REG_STATUS), ether3_inw(REG_CONFIG1), ether3_inw(REG_CONFIG2));
466 printk(KERN_ERR "%s: { rpr=%04X rea=%04X tpr=%04X }\n", dev->name,
467 ether3_inw(REG_RECVPTR), ether3_inw(REG_RECVEND), ether3_inw(REG_TRANSMITPTR));
468 printk(KERN_ERR "%s: tx head=%X tx tail=%X\n", dev->name,
469 priv(dev)->tx_head, priv(dev)->tx_tail);
470 ether3_setbuffer(dev, buffer_read, priv(dev)->tx_tail);
471 printk(KERN_ERR "%s: packet status = %08X\n", dev->name, ether3_readlong(dev));
472 local_irq_restore(flags);
473
474 priv(dev)->regs.config2 |= CFG2_CTRLO;
475 dev->stats.tx_errors += 1;
476 ether3_outw(priv(dev)->regs.config2, REG_CONFIG2);
477 priv(dev)->tx_head = priv(dev)->tx_tail = 0;
478
479 netif_wake_queue(dev);
480}
481
482
483
484
485static netdev_tx_t
486ether3_sendpacket(struct sk_buff *skb, struct net_device *dev)
487{
488 unsigned long flags;
489 unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
490 unsigned int ptr, next_ptr;
491
492 if (priv(dev)->broken) {
493 dev_kfree_skb(skb);
494 dev->stats.tx_dropped++;
495 netif_start_queue(dev);
496 return NETDEV_TX_OK;
497 }
498
499 length = (length + 1) & ~1;
500 if (length != skb->len) {
501 if (skb_padto(skb, length))
502 goto out;
503 }
504
505 next_ptr = (priv(dev)->tx_head + 1) & 15;
506
507 local_irq_save(flags);
508
509 if (priv(dev)->tx_tail == next_ptr) {
510 local_irq_restore(flags);
511 return NETDEV_TX_BUSY;
512 }
513
514 ptr = 0x600 * priv(dev)->tx_head;
515 priv(dev)->tx_head = next_ptr;
516 next_ptr *= 0x600;
517
518#define TXHDR_FLAGS (TXHDR_TRANSMIT|TXHDR_CHAINCONTINUE|TXHDR_DATAFOLLOWS|TXHDR_ENSUCCESS)
519
520 ether3_setbuffer(dev, buffer_write, next_ptr);
521 ether3_writelong(dev, 0);
522 ether3_setbuffer(dev, buffer_write, ptr);
523 ether3_writelong(dev, 0);
524 ether3_writebuffer(dev, skb->data, length);
525 ether3_writeword(dev, htons(next_ptr));
526 ether3_writeword(dev, TXHDR_CHAINCONTINUE >> 16);
527 ether3_setbuffer(dev, buffer_write, ptr);
528 ether3_writeword(dev, htons((ptr + length + 4)));
529 ether3_writeword(dev, TXHDR_FLAGS >> 16);
530 ether3_ledon(dev);
531
532 if (!(ether3_inw(REG_STATUS) & STAT_TXON)) {
533 ether3_outw(ptr, REG_TRANSMITPTR);
534 ether3_outw(priv(dev)->regs.command | CMD_TXON, REG_COMMAND);
535 }
536
537 next_ptr = (priv(dev)->tx_head + 1) & 15;
538 local_irq_restore(flags);
539
540 dev_kfree_skb(skb);
541
542 if (priv(dev)->tx_tail == next_ptr)
543 netif_stop_queue(dev);
544
545 out:
546 return NETDEV_TX_OK;
547}
548
549static irqreturn_t
550ether3_interrupt(int irq, void *dev_id)
551{
552 struct net_device *dev = (struct net_device *)dev_id;
553 unsigned int status, handled = IRQ_NONE;
554
555#if NET_DEBUG > 1
556 if(net_debug & DEBUG_INT)
557 printk("eth3irq: %d ", irq);
558#endif
559
560 status = ether3_inw(REG_STATUS);
561
562 if (status & STAT_INTRX) {
563 ether3_outw(CMD_ACKINTRX | priv(dev)->regs.command, REG_COMMAND);
564 ether3_rx(dev, 12);
565 handled = IRQ_HANDLED;
566 }
567
568 if (status & STAT_INTTX) {
569 ether3_outw(CMD_ACKINTTX | priv(dev)->regs.command, REG_COMMAND);
570 ether3_tx(dev);
571 handled = IRQ_HANDLED;
572 }
573
574#if NET_DEBUG > 1
575 if(net_debug & DEBUG_INT)
576 printk("done\n");
577#endif
578 return handled;
579}
580
581
582
583
584static int ether3_rx(struct net_device *dev, unsigned int maxcnt)
585{
586 unsigned int next_ptr = priv(dev)->rx_head, received = 0;
587
588 ether3_ledon(dev);
589
590 do {
591 unsigned int this_ptr, status;
592 unsigned char addrs[16];
593
594
595
596
597
598
599
600 {
601 unsigned int temp_ptr;
602 ether3_setbuffer(dev, buffer_read, next_ptr);
603 temp_ptr = ether3_readword(dev);
604 status = ether3_readword(dev);
605 if ((status & (RXSTAT_DONE | RXHDR_CHAINCONTINUE | RXHDR_RECEIVE)) !=
606 (RXSTAT_DONE | RXHDR_CHAINCONTINUE) || !temp_ptr)
607 break;
608
609 this_ptr = next_ptr + 4;
610 next_ptr = ntohs(temp_ptr);
611 }
612 ether3_setbuffer(dev, buffer_read, this_ptr);
613 ether3_readbuffer(dev, addrs+2, 12);
614
615if (next_ptr < RX_START || next_ptr >= RX_END) {
616 int i;
617 printk("%s: bad next pointer @%04X: ", dev->name, priv(dev)->rx_head);
618 printk("%02X %02X %02X %02X ", next_ptr >> 8, next_ptr & 255, status & 255, status >> 8);
619 for (i = 2; i < 14; i++)
620 printk("%02X ", addrs[i]);
621 printk("\n");
622 next_ptr = priv(dev)->rx_head;
623 break;
624}
625
626
627
628 if (!(*(unsigned long *)&dev->dev_addr[0] ^ *(unsigned long *)&addrs[2+6]) &&
629 !(*(unsigned short *)&dev->dev_addr[4] ^ *(unsigned short *)&addrs[2+10])) {
630 maxcnt ++;
631 ether3_outw(next_ptr >> 8, REG_RECVEND);
632 } else
633 if (!(status & (RXSTAT_OVERSIZE|RXSTAT_CRCERROR|RXSTAT_DRIBBLEERROR|RXSTAT_SHORTPACKET))) {
634 unsigned int length = next_ptr - this_ptr;
635 struct sk_buff *skb;
636
637 if (next_ptr <= this_ptr)
638 length += RX_END - RX_START;
639
640 skb = netdev_alloc_skb(dev, length + 2);
641 if (skb) {
642 unsigned char *buf;
643
644 skb_reserve(skb, 2);
645 buf = skb_put(skb, length);
646 ether3_readbuffer(dev, buf + 12, length - 12);
647 ether3_outw(next_ptr >> 8, REG_RECVEND);
648 *(unsigned short *)(buf + 0) = *(unsigned short *)(addrs + 2);
649 *(unsigned long *)(buf + 2) = *(unsigned long *)(addrs + 4);
650 *(unsigned long *)(buf + 6) = *(unsigned long *)(addrs + 8);
651 *(unsigned short *)(buf + 10) = *(unsigned short *)(addrs + 12);
652 skb->protocol = eth_type_trans(skb, dev);
653 netif_rx(skb);
654 received ++;
655 } else {
656 ether3_outw(next_ptr >> 8, REG_RECVEND);
657 dev->stats.rx_dropped++;
658 goto done;
659 }
660 } else {
661 struct net_device_stats *stats = &dev->stats;
662 ether3_outw(next_ptr >> 8, REG_RECVEND);
663 if (status & RXSTAT_OVERSIZE) stats->rx_over_errors ++;
664 if (status & RXSTAT_CRCERROR) stats->rx_crc_errors ++;
665 if (status & RXSTAT_DRIBBLEERROR) stats->rx_fifo_errors ++;
666 if (status & RXSTAT_SHORTPACKET) stats->rx_length_errors ++;
667 stats->rx_errors++;
668 }
669 }
670 while (-- maxcnt);
671
672done:
673 dev->stats.rx_packets += received;
674 priv(dev)->rx_head = next_ptr;
675
676
677
678
679 if (!(ether3_inw(REG_STATUS) & STAT_RXON)) {
680 dev->stats.rx_dropped++;
681 ether3_outw(next_ptr, REG_RECVPTR);
682 ether3_outw(priv(dev)->regs.command | CMD_RXON, REG_COMMAND);
683 }
684
685 return maxcnt;
686}
687
688
689
690
691static void ether3_tx(struct net_device *dev)
692{
693 unsigned int tx_tail = priv(dev)->tx_tail;
694 int max_work = 14;
695
696 do {
697 unsigned long status;
698
699
700
701
702 ether3_setbuffer(dev, buffer_read, tx_tail * 0x600);
703 status = ether3_readlong(dev);
704
705
706
707
708 if ((status & (TXSTAT_DONE | TXHDR_TRANSMIT)) !=
709 (TXSTAT_DONE | TXHDR_TRANSMIT))
710 break;
711
712
713
714
715 if (!(status & (TXSTAT_BABBLED | TXSTAT_16COLLISIONS)))
716 dev->stats.tx_packets++;
717 else {
718 dev->stats.tx_errors++;
719 if (status & TXSTAT_16COLLISIONS)
720 dev->stats.collisions += 16;
721 if (status & TXSTAT_BABBLED)
722 dev->stats.tx_fifo_errors++;
723 }
724
725 tx_tail = (tx_tail + 1) & 15;
726 } while (--max_work);
727
728 if (priv(dev)->tx_tail != tx_tail) {
729 priv(dev)->tx_tail = tx_tail;
730 netif_wake_queue(dev);
731 }
732}
733
734static void ether3_banner(void)
735{
736 static unsigned version_printed = 0;
737
738 if (net_debug && version_printed++ == 0)
739 printk(KERN_INFO "%s", version);
740}
741
742static const struct net_device_ops ether3_netdev_ops = {
743 .ndo_open = ether3_open,
744 .ndo_stop = ether3_close,
745 .ndo_start_xmit = ether3_sendpacket,
746 .ndo_set_rx_mode = ether3_setmulticastlist,
747 .ndo_tx_timeout = ether3_timeout,
748 .ndo_validate_addr = eth_validate_addr,
749 .ndo_set_mac_address = eth_mac_addr,
750};
751
752static int
753ether3_probe(struct expansion_card *ec, const struct ecard_id *id)
754{
755 const struct ether3_data *data = id->data;
756 struct net_device *dev;
757 int bus_type, ret;
758
759 ether3_banner();
760
761 ret = ecard_request_resources(ec);
762 if (ret)
763 goto out;
764
765 dev = alloc_etherdev(sizeof(struct dev_priv));
766 if (!dev) {
767 ret = -ENOMEM;
768 goto release;
769 }
770
771 SET_NETDEV_DEV(dev, &ec->dev);
772
773 priv(dev)->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
774 if (!priv(dev)->base) {
775 ret = -ENOMEM;
776 goto free;
777 }
778
779 ec->irqaddr = priv(dev)->base + data->base_offset;
780 ec->irqmask = 0xf0;
781
782 priv(dev)->seeq = priv(dev)->base + data->base_offset;
783 dev->irq = ec->irq;
784
785 ether3_addr(dev->dev_addr, ec);
786
787 priv(dev)->dev = dev;
788 timer_setup(&priv(dev)->timer, ether3_ledoff, 0);
789
790
791
792 ether3_outb(0x80, REG_CONFIG2 + 4);
793 bus_type = BUS_UNKNOWN;
794 udelay(4);
795
796
797
798
799 if (ether3_probe_bus_8(dev, 0x100) &&
800 ether3_probe_bus_8(dev, 0x201))
801 bus_type = BUS_8;
802
803 if (bus_type == BUS_UNKNOWN &&
804 ether3_probe_bus_16(dev, 0x101) &&
805 ether3_probe_bus_16(dev, 0x201))
806 bus_type = BUS_16;
807
808 switch (bus_type) {
809 case BUS_UNKNOWN:
810 printk(KERN_ERR "%s: unable to identify bus width\n", dev->name);
811 ret = -ENODEV;
812 goto free;
813
814 case BUS_8:
815 printk(KERN_ERR "%s: %s found, but is an unsupported "
816 "8-bit card\n", dev->name, data->name);
817 ret = -ENODEV;
818 goto free;
819
820 default:
821 break;
822 }
823
824 if (ether3_init_2(dev)) {
825 ret = -ENODEV;
826 goto free;
827 }
828
829 dev->netdev_ops = ðer3_netdev_ops;
830 dev->watchdog_timeo = 5 * HZ / 100;
831
832 ret = register_netdev(dev);
833 if (ret)
834 goto free;
835
836 printk("%s: %s in slot %d, %pM\n",
837 dev->name, data->name, ec->slot_no, dev->dev_addr);
838
839 ecard_set_drvdata(ec, dev);
840 return 0;
841
842 free:
843 free_netdev(dev);
844 release:
845 ecard_release_resources(ec);
846 out:
847 return ret;
848}
849
850static void ether3_remove(struct expansion_card *ec)
851{
852 struct net_device *dev = ecard_get_drvdata(ec);
853
854 ecard_set_drvdata(ec, NULL);
855
856 unregister_netdev(dev);
857 free_netdev(dev);
858 ecard_release_resources(ec);
859}
860
861static struct ether3_data ether3 = {
862 .name = "ether3",
863 .base_offset = 0,
864};
865
866static struct ether3_data etherb = {
867 .name = "etherb",
868 .base_offset = 0x800,
869};
870
871static const struct ecard_id ether3_ids[] = {
872 { MANU_ANT2, PROD_ANT_ETHER3, ðer3 },
873 { MANU_ANT, PROD_ANT_ETHER3, ðer3 },
874 { MANU_ANT, PROD_ANT_ETHERB, ðerb },
875 { 0xffff, 0xffff }
876};
877
878static struct ecard_driver ether3_driver = {
879 .probe = ether3_probe,
880 .remove = ether3_remove,
881 .id_table = ether3_ids,
882 .drv = {
883 .name = "ether3",
884 },
885};
886
887static int __init ether3_init(void)
888{
889 return ecard_register_driver(ðer3_driver);
890}
891
892static void __exit ether3_exit(void)
893{
894 ecard_remove_driver(ðer3_driver);
895}
896
897module_init(ether3_init);
898module_exit(ether3_exit);
899
900MODULE_LICENSE("GPL");
901
