summaryrefslogtreecommitdiff
path: root/drivers/net/arm/etherh.c
blob: 4ae98970b2829dba77f2d9815908874168fe17d3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
/*
 *  linux/drivers/acorn/net/etherh.c
 *
 *  Copyright (C) 2000-2002 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * NS8390 I-cubed EtherH and ANT EtherM specific driver
 * Thanks to I-Cubed for information on their cards.
 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
 * EtherM integration re-engineered by Russell King.
 *
 * Changelog:
 *  08-12-1996	RMK	1.00	Created
 *		RMK	1.03	Added support for EtherLan500 cards
 *  23-11-1997	RMK	1.04	Added media autodetection
 *  16-04-1998	RMK	1.05	Improved media autodetection
 *  10-02-2000	RMK	1.06	Updated for 2.3.43
 *  13-05-2000	RMK	1.07	Updated for 2.3.99-pre8
 *  12-10-1999  CK/TEW		EtherM driver first release
 *  21-12-2000	TTC		EtherH/EtherM integration
 *  25-12-2000	RMK	1.08	Clean integration of EtherM into this driver.
 *  03-01-2002	RMK	1.09	Always enable IRQs if we're in the nic slot.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/jiffies.h>

#include <asm/system.h>
#include <asm/ecard.h>
#include <asm/io.h>

#include "../8390.h"

#define NET_DEBUG  0
#define DEBUG_INIT 2

#define DRV_NAME	"etherh"
#define DRV_VERSION	"1.11"

static unsigned int net_debug = NET_DEBUG;

struct etherh_priv {
	void __iomem	*ioc_fast;
	void __iomem	*memc;
	void __iomem	*dma_base;
	unsigned int	id;
	void __iomem	*ctrl_port;
	unsigned char	ctrl;
	u32		supported;
};

struct etherh_data {
	unsigned long	ns8390_offset;
	unsigned long	dataport_offset;
	unsigned long	ctrlport_offset;
	int		ctrl_ioc;
	const char	name[16];
	u32		supported;
	unsigned char	tx_start_page;
	unsigned char	stop_page;
};

MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("EtherH/EtherM driver");
MODULE_LICENSE("GPL");

static char version[] __initdata =
	"EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";

#define ETHERH500_DATAPORT	0x800	/* MEMC */
#define ETHERH500_NS8390	0x000	/* MEMC */
#define ETHERH500_CTRLPORT	0x800	/* IOC  */

#define ETHERH600_DATAPORT	0x040	/* MEMC */
#define ETHERH600_NS8390	0x800	/* MEMC */
#define ETHERH600_CTRLPORT	0x200	/* MEMC */

#define ETHERH_CP_IE		1
#define ETHERH_CP_IF		2
#define ETHERH_CP_HEARTBEAT	2

#define ETHERH_TX_START_PAGE	1
#define ETHERH_STOP_PAGE	127

/*
 * These came from CK/TEW
 */
#define ETHERM_DATAPORT		0x200	/* MEMC */
#define ETHERM_NS8390		0x800	/* MEMC */
#define ETHERM_CTRLPORT		0x23c	/* MEMC */

#define ETHERM_TX_START_PAGE	64
#define ETHERM_STOP_PAGE	127

/* ------------------------------------------------------------------------ */

#define etherh_priv(dev) \
 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))

static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
{
	unsigned char ctrl = eh->ctrl | mask;
	eh->ctrl = ctrl;
	writeb(ctrl, eh->ctrl_port);
}

static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
{
	unsigned char ctrl = eh->ctrl & ~mask;
	eh->ctrl = ctrl;
	writeb(ctrl, eh->ctrl_port);
}

static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
{
	return readb(eh->ctrl_port);
}




static void etherh_irq_enable(ecard_t *ec, int irqnr)
{
	struct etherh_priv *eh = ec->irq_data;

	etherh_set_ctrl(eh, ETHERH_CP_IE);
}

static void etherh_irq_disable(ecard_t *ec, int irqnr)
{
	struct etherh_priv *eh = ec->irq_data;

	etherh_clr_ctrl(eh, ETHERH_CP_IE);
}

static expansioncard_ops_t etherh_ops = {
	.irqenable	= etherh_irq_enable,
	.irqdisable	= etherh_irq_disable,
};




static void
etherh_setif(struct net_device *dev)
{
	struct ei_device *ei_local = netdev_priv(dev);
	unsigned long flags;
	void __iomem *addr;

	local_irq_save(flags);

	/* set the interface type */
	switch (etherh_priv(dev)->id) {
	case PROD_I3_ETHERLAN600:
	case PROD_I3_ETHERLAN600A:
		addr = (void *)dev->base_addr + EN0_RCNTHI;

		switch (dev->if_port) {
		case IF_PORT_10BASE2:
			writeb((readb(addr) & 0xf8) | 1, addr);
			break;
		case IF_PORT_10BASET:
			writeb((readb(addr) & 0xf8), addr);
			break;
		}
		break;

	case PROD_I3_ETHERLAN500:
		switch (dev->if_port) {
		case IF_PORT_10BASE2:
			etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
			break;

		case IF_PORT_10BASET:
			etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
			break;
		}
		break;

	default:
		break;
	}

	local_irq_restore(flags);
}

static int
etherh_getifstat(struct net_device *dev)
{
	struct ei_device *ei_local = netdev_priv(dev);
	void __iomem *addr;
	int stat = 0;

	switch (etherh_priv(dev)->id) {
	case PROD_I3_ETHERLAN600:
	case PROD_I3_ETHERLAN600A:
		addr = (void *)dev->base_addr + EN0_RCNTHI;
		switch (dev->if_port) {
		case IF_PORT_10BASE2:
			stat = 1;
			break;
		case IF_PORT_10BASET:
			stat = readb(addr) & 4;
			break;
		}
		break;

	case PROD_I3_ETHERLAN500:
		switch (dev->if_port) {
		case IF_PORT_10BASE2:
			stat = 1;
			break;
		case IF_PORT_10BASET:
			stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
			break;
		}
		break;

	default:
		stat = 0;
		break;
	}

	return stat != 0;
}

/*
 * Configure the interface.  Note that we ignore the other
 * parts of ifmap, since its mostly meaningless for this driver.
 */
static int etherh_set_config(struct net_device *dev, struct ifmap *map)
{
	switch (map->port) {
	case IF_PORT_10BASE2:
	case IF_PORT_10BASET:
		/*
		 * If the user explicitly sets the interface
		 * media type, turn off automedia detection.
		 */
		dev->flags &= ~IFF_AUTOMEDIA;
		dev->if_port = map->port;
		break;

	default:
		return -EINVAL;
	}

	etherh_setif(dev);

	return 0;
}

/*
 * Reset the 8390 (hard reset).  Note that we can't actually do this.
 */
static void
etherh_reset(struct net_device *dev)
{
	struct ei_device *ei_local = netdev_priv(dev);
	void __iomem *addr = (void *)dev->base_addr;

	writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);

	/*
	 * See if we need to change the interface type.
	 * Note that we use 'interface_num' as a flag
	 * to indicate that we need to change the media.
	 */
	if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
		ei_local->interface_num = 0;

		if (dev->if_port == IF_PORT_10BASET)
			dev->if_port = IF_PORT_10BASE2;
		else
			dev->if_port = IF_PORT_10BASET;

		etherh_setif(dev);
	}
}

/*
 * Write a block of data out to the 8390
 */
static void
etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
{
	struct ei_device *ei_local = netdev_priv(dev);
	unsigned long dma_start;
	void __iomem *dma_base, *addr;

	if (ei_local->dmaing) {
		printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
			" DMAstat %d irqlock %d\n", dev->name,
			ei_local->dmaing, ei_local->irqlock);
		return;
	}

	/*
	 * Make sure we have a round number of bytes if we're in word mode.
	 */
	if (count & 1 && ei_local->word16)
		count++;

	ei_local->dmaing = 1;

	addr = (void *)dev->base_addr;
	dma_base = etherh_priv(dev)->dma_base;

	count = (count + 1) & ~1;
	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);

	writeb (0x42, addr + EN0_RCNTLO);
	writeb (0x00, addr + EN0_RCNTHI);
	writeb (0x42, addr + EN0_RSARLO);
	writeb (0x00, addr + EN0_RSARHI);
	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);

	udelay (1);

	writeb (ENISR_RDC, addr + EN0_ISR);
	writeb (count, addr + EN0_RCNTLO);
	writeb (count >> 8, addr + EN0_RCNTHI);
	writeb (0, addr + EN0_RSARLO);
	writeb (start_page, addr + EN0_RSARHI);
	writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);

	if (ei_local->word16)
		writesw (dma_base, buf, count >> 1);
	else
		writesb (dma_base, buf, count);

	dma_start = jiffies;

	while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
		if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
			printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
				dev->name);
			etherh_reset (dev);
			NS8390_init (dev, 1);
			break;
		}

	writeb (ENISR_RDC, addr + EN0_ISR);
	ei_local->dmaing = 0;
}

/*
 * Read a block of data from the 8390
 */
static void
etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
{
	struct ei_device *ei_local = netdev_priv(dev);
	unsigned char *buf;
	void __iomem *dma_base, *addr;

	if (ei_local->dmaing) {
		printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
			" DMAstat %d irqlock %d\n", dev->name,
			ei_local->dmaing, ei_local->irqlock);
		return;
	}

	ei_local->dmaing = 1;

	addr = (void *)dev->base_addr;
	dma_base = etherh_priv(dev)->dma_base;

	buf = skb->data;
	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
	writeb (count, addr + EN0_RCNTLO);
	writeb (count >> 8, addr + EN0_RCNTHI);
	writeb (ring_offset, addr + EN0_RSARLO);
	writeb (ring_offset >> 8, addr + EN0_RSARHI);
	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);

	if (ei_local->word16) {
		readsw (dma_base, buf, count >> 1);
		if (count & 1)
			buf[count - 1] = readb (dma_base);
	} else
		readsb (dma_base, buf, count);

	writeb (ENISR_RDC, addr + EN0_ISR);
	ei_local->dmaing = 0;
}

/*
 * Read a header from the 8390
 */
static void
etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
{
	struct ei_device *ei_local = netdev_priv(dev);
	void __iomem *dma_base, *addr;

	if (ei_local->dmaing) {
		printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: "
			" DMAstat %d irqlock %d\n", dev->name,
			ei_local->dmaing, ei_local->irqlock);
		return;
	}

	ei_local->dmaing = 1;

	addr = (void *)dev->base_addr;
	dma_base = etherh_priv(dev)->dma_base;

	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
	writeb (sizeof (*hdr), addr + EN0_RCNTLO);
	writeb (0, addr + EN0_RCNTHI);
	writeb (0, addr + EN0_RSARLO);
	writeb (ring_page, addr + EN0_RSARHI);
	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);

	if (ei_local->word16)
		readsw (dma_base, hdr, sizeof (*hdr) >> 1);
	else
		readsb (dma_base, hdr, sizeof (*hdr));

	writeb (ENISR_RDC, addr + EN0_ISR);
	ei_local->dmaing = 0;
}

/*
 * Open/initialize the board.  This is called (in the current kernel)
 * sometime after booting when the 'ifconfig' program is run.
 *
 * This routine should set everything up anew at each open, even
 * registers that "should" only need to be set once at boot, so that
 * there is non-reboot way to recover if something goes wrong.
 */
static int
etherh_open(struct net_device *dev)
{
	struct ei_device *ei_local = netdev_priv(dev);

	if (!is_valid_ether_addr(dev->dev_addr)) {
		printk(KERN_WARNING "%s: invalid ethernet MAC address\n",
			dev->name);
		return -EINVAL;
	}

	if (request_irq(dev->irq, ei_interrupt, 0, dev->name, dev))
		return -EAGAIN;

	/*
	 * Make sure that we aren't going to change the
	 * media type on the next reset - we are about to
	 * do automedia manually now.
	 */
	ei_local->interface_num = 0;

	/*
	 * If we are doing automedia detection, do it now.
	 * This is more reliable than the 8390's detection.
	 */
	if (dev->flags & IFF_AUTOMEDIA) {
		dev->if_port = IF_PORT_10BASET;
		etherh_setif(dev);
		mdelay(1);
		if (!etherh_getifstat(dev)) {
			dev->if_port = IF_PORT_10BASE2;
			etherh_setif(dev);
		}
	} else
		etherh_setif(dev);

	etherh_reset(dev);
	ei_open(dev);

	return 0;
}

/*
 * The inverse routine to etherh_open().
 */
static int
etherh_close(struct net_device *dev)
{
	ei_close (dev);
	free_irq (dev->irq, dev);
	return 0;
}

/*
 * Initialisation
 */

static void __init etherh_banner(void)
{
	static int version_printed;

	if (net_debug && version_printed++ == 0)
		printk(KERN_INFO "%s", version);
}

/*
 * Read the ethernet address string from the on board rom.
 * This is an ascii string...
 */
static int __init etherh_addr(char *addr, struct expansion_card *ec)
{
	struct in_chunk_dir cd;
	char *s;
	
	if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
		printk(KERN_ERR "%s: unable to read podule description string\n",
		       ec->dev.bus_id);
		goto no_addr;
	}

	s = strchr(cd.d.string, '(');
	if (s) {
		int i;

		for (i = 0; i < 6; i++) {
			addr[i] = simple_strtoul(s + 1, &s, 0x10);
			if (*s != (i == 5? ')' : ':'))
				break;
		}

		if (i == 6)
			return 0;
	}

	printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
	       ec->dev.bus_id, cd.d.string);

 no_addr:
	return -ENODEV;
}

/*
 * Create an ethernet address from the system serial number.
 */
static int __init etherm_addr(char *addr)
{
	unsigned int serial;

	if (system_serial_low == 0 && system_serial_high == 0)
		return -ENODEV;

	serial = system_serial_low | system_serial_high;

	addr[0] = 0;
	addr[1] = 0;
	addr[2] = 0xa4;
	addr[3] = 0x10 + (serial >> 24);
	addr[4] = serial >> 16;
	addr[5] = serial >> 8;
	return 0;
}

static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
	strlcpy(info->bus_info, dev->class_dev.dev->bus_id,
		sizeof(info->bus_info));
}

static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	cmd->supported	= etherh_priv(dev)->supported;
	cmd->speed	= SPEED_10;
	cmd->duplex	= DUPLEX_HALF;
	cmd->port	= dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
	cmd->autoneg	= dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE;
	return 0;
}

static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
	switch (cmd->autoneg) {
	case AUTONEG_ENABLE:
		dev->flags |= IFF_AUTOMEDIA;
		break;

	case AUTONEG_DISABLE:
		switch (cmd->port) {
		case PORT_TP:
			dev->if_port = IF_PORT_10BASET;
			break;

		case PORT_BNC:
			dev->if_port = IF_PORT_10BASE2;
			break;

		default:
			return -EINVAL;
		}
		dev->flags &= ~IFF_AUTOMEDIA;
		break;

	default:
		return -EINVAL;
	}

	etherh_setif(dev);

	return 0;
}

static const struct ethtool_ops etherh_ethtool_ops = {
	.get_settings	= etherh_get_settings,
	.set_settings	= etherh_set_settings,
	.get_drvinfo	= etherh_get_drvinfo,
};

static u32 etherh_regoffsets[16];
static u32 etherm_regoffsets[16];

static int __init
etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
{
	const struct etherh_data *data = id->data;
	struct ei_device *ei_local;
	struct net_device *dev;
	struct etherh_priv *eh;
	int i, ret;

	etherh_banner();

	ret = ecard_request_resources(ec);
	if (ret)
		goto out;

	dev = __alloc_ei_netdev(sizeof(struct etherh_priv));
	if (!dev) {
		ret = -ENOMEM;
		goto release;
	}

	SET_MODULE_OWNER(dev);
	SET_NETDEV_DEV(dev, &ec->dev);

	dev->open		= etherh_open;
	dev->stop		= etherh_close;
	dev->set_config		= etherh_set_config;
	dev->irq		= ec->irq;
	dev->ethtool_ops	= &etherh_ethtool_ops;

	if (data->supported & SUPPORTED_Autoneg)
		dev->flags |= IFF_AUTOMEDIA;
	if (data->supported & SUPPORTED_TP) {
		dev->flags |= IFF_PORTSEL;
		dev->if_port = IF_PORT_10BASET;
	} else if (data->supported & SUPPORTED_BNC) {
		dev->flags |= IFF_PORTSEL;
		dev->if_port = IF_PORT_10BASE2;
	} else
		dev->if_port = IF_PORT_UNKNOWN;

	eh = etherh_priv(dev);
	eh->supported		= data->supported;
	eh->ctrl		= 0;
	eh->id			= ec->cid.product;
	eh->memc		= ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE);
	if (!eh->memc) {
		ret = -ENOMEM;
		goto free;
	}

	eh->ctrl_port = eh->memc;
	if (data->ctrl_ioc) {
		eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE);
		if (!eh->ioc_fast) {
			ret = -ENOMEM;
			goto free;
		}
		eh->ctrl_port = eh->ioc_fast;
	}

	dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
	eh->dma_base = eh->memc + data->dataport_offset;
	eh->ctrl_port += data->ctrlport_offset;

	/*
	 * IRQ and control port handling - only for non-NIC slot cards.
	 */
	if (ec->slot_no != 8) {
		ec->ops		= &etherh_ops;
		ec->irq_data	= eh;
	} else {
		/*
		 * If we're in the NIC slot, make sure the IRQ is enabled
		 */
		etherh_set_ctrl(eh, ETHERH_CP_IE);
	}

	ei_local = netdev_priv(dev);
	spin_lock_init(&ei_local->page_lock);

	if (ec->cid.product == PROD_ANT_ETHERM) {
		etherm_addr(dev->dev_addr);
		ei_local->reg_offset = etherm_regoffsets;
	} else {
		etherh_addr(dev->dev_addr, ec);
		ei_local->reg_offset = etherh_regoffsets;
	}

	ei_local->name          = dev->name;
	ei_local->word16        = 1;
	ei_local->tx_start_page = data->tx_start_page;
	ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
	ei_local->stop_page     = data->stop_page;
	ei_local->reset_8390    = etherh_reset;
	ei_local->block_input   = etherh_block_input;
	ei_local->block_output  = etherh_block_output;
	ei_local->get_8390_hdr  = etherh_get_header;
	ei_local->interface_num = 0;

	etherh_reset(dev);
	NS8390_init(dev, 0);

	ret = register_netdev(dev);
	if (ret)
		goto free;

	printk(KERN_INFO "%s: %s in slot %d, ",
		dev->name, data->name, ec->slot_no);

	for (i = 0; i < 6; i++)
		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');

	ecard_set_drvdata(ec, dev);

	return 0;

 free:
	if (eh->ioc_fast)
		iounmap(eh->ioc_fast);
	if (eh->memc)
		iounmap(eh->memc);
	free_netdev(dev);
 release:
	ecard_release_resources(ec);
 out:
	return ret;
}

static void __devexit etherh_remove(struct expansion_card *ec)
{
	struct net_device *dev = ecard_get_drvdata(ec);
	struct etherh_priv *eh = etherh_priv(dev);

	ecard_set_drvdata(ec, NULL);

	unregister_netdev(dev);
	ec->ops = NULL;

	if (eh->ioc_fast)
		iounmap(eh->ioc_fast);
	iounmap(eh->memc);

	free_netdev(dev);

	ecard_release_resources(ec);
}

static struct etherh_data etherm_data = {
	.ns8390_offset		= ETHERM_NS8390,
	.dataport_offset	= ETHERM_NS8390 + ETHERM_DATAPORT,
	.ctrlport_offset	= ETHERM_NS8390 + ETHERM_CTRLPORT,
	.name			= "ANT EtherM",
	.supported		= SUPPORTED_10baseT_Half,
	.tx_start_page		= ETHERM_TX_START_PAGE,
	.stop_page		= ETHERM_STOP_PAGE,
};

static struct etherh_data etherlan500_data = {
	.ns8390_offset		= ETHERH500_NS8390,
	.dataport_offset	= ETHERH500_NS8390 + ETHERH500_DATAPORT,
	.ctrlport_offset	= ETHERH500_CTRLPORT,
	.ctrl_ioc		= 1,
	.name			= "i3 EtherH 500",
	.supported		= SUPPORTED_10baseT_Half,
	.tx_start_page		= ETHERH_TX_START_PAGE,
	.stop_page		= ETHERH_STOP_PAGE,
};

static struct etherh_data etherlan600_data = {
	.ns8390_offset		= ETHERH600_NS8390,
	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
	.name			= "i3 EtherH 600",
	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
	.tx_start_page		= ETHERH_TX_START_PAGE,
	.stop_page		= ETHERH_STOP_PAGE,
};

static struct etherh_data etherlan600a_data = {
	.ns8390_offset		= ETHERH600_NS8390,
	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
	.name			= "i3 EtherH 600A",
	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
	.tx_start_page		= ETHERH_TX_START_PAGE,
	.stop_page		= ETHERH_STOP_PAGE,
};

static const struct ecard_id etherh_ids[] = {
	{ MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
	{ MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
	{ MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
	{ MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
	{ 0xffff,   0xffff }
};

static struct ecard_driver etherh_driver = {
	.probe		= etherh_probe,
	.remove		= __devexit_p(etherh_remove),
	.id_table	= etherh_ids,
	.drv = {
		.name	= DRV_NAME,
	},
};

static int __init etherh_init(void)
{
	int i;

	for (i = 0; i < 16; i++) {
		etherh_regoffsets[i] = i << 2;
		etherm_regoffsets[i] = i << 5;
	}

	return ecard_register_driver(&etherh_driver);
}

static void __exit etherh_exit(void)
{
	ecard_remove_driver(&etherh_driver);
}

module_init(etherh_init);
module_exit(etherh_exit);