1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *  linux/drivers/acorn/net/etherh.c
4 *
5 *  Copyright (C) 2000-2002 Russell King
6 *
7 * NS8390 I-cubed EtherH and ANT EtherM specific driver
8 * Thanks to I-Cubed for information on their cards.
9 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
10 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
11 * EtherM integration re-engineered by Russell King.
12 *
13 * Changelog:
14 *  08-12-1996	RMK	1.00	Created
15 *		RMK	1.03	Added support for EtherLan500 cards
16 *  23-11-1997	RMK	1.04	Added media autodetection
17 *  16-04-1998	RMK	1.05	Improved media autodetection
18 *  10-02-2000	RMK	1.06	Updated for 2.3.43
19 *  13-05-2000	RMK	1.07	Updated for 2.3.99-pre8
20 *  12-10-1999  CK/TEW		EtherM driver first release
21 *  21-12-2000	TTC		EtherH/EtherM integration
22 *  25-12-2000	RMK	1.08	Clean integration of EtherM into this driver.
23 *  03-01-2002	RMK	1.09	Always enable IRQs if we're in the nic slot.
24 */
25
26#include <linux/module.h>
27#include <linux/kernel.h>
28#include <linux/types.h>
29#include <linux/fcntl.h>
30#include <linux/interrupt.h>
31#include <linux/ioport.h>
32#include <linux/in.h>
33#include <linux/string.h>
34#include <linux/errno.h>
35#include <linux/netdevice.h>
36#include <linux/etherdevice.h>
37#include <linux/ethtool.h>
38#include <linux/skbuff.h>
39#include <linux/delay.h>
40#include <linux/device.h>
41#include <linux/init.h>
42#include <linux/bitops.h>
43#include <linux/jiffies.h>
44
45#include <asm/ecard.h>
46#include <asm/io.h>
47#include <asm/system_info.h>
48
49#define EI_SHIFT(x)	(ei_local->reg_offset[x])
50
51#define ei_inb(_p)	 readb((void __iomem *)_p)
52#define ei_outb(_v,_p)	 writeb(_v,(void __iomem *)_p)
53#define ei_inb_p(_p)	 readb((void __iomem *)_p)
54#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
55
56#define DRV_NAME	"etherh"
57#define DRV_VERSION	"1.11"
58
59static char version[] =
60	"EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
61
62#include "lib8390.c"
63
64struct etherh_priv {
65	void __iomem	*ioc_fast;
66	void __iomem	*memc;
67	void __iomem	*dma_base;
68	unsigned int	id;
69	void __iomem	*ctrl_port;
70	unsigned char	ctrl;
71	u32		supported;
72};
73
74struct etherh_data {
75	unsigned long	ns8390_offset;
76	unsigned long	dataport_offset;
77	unsigned long	ctrlport_offset;
78	int		ctrl_ioc;
79	const char	name[16];
80	u32		supported;
81	unsigned char	tx_start_page;
82	unsigned char	stop_page;
83};
84
85MODULE_AUTHOR("Russell King");
86MODULE_DESCRIPTION("EtherH/EtherM driver");
87MODULE_LICENSE("GPL");
88
89#define ETHERH500_DATAPORT	0x800	/* MEMC */
90#define ETHERH500_NS8390	0x000	/* MEMC */
91#define ETHERH500_CTRLPORT	0x800	/* IOC  */
92
93#define ETHERH600_DATAPORT	0x040	/* MEMC */
94#define ETHERH600_NS8390	0x800	/* MEMC */
95#define ETHERH600_CTRLPORT	0x200	/* MEMC */
96
97#define ETHERH_CP_IE		1
98#define ETHERH_CP_IF		2
99#define ETHERH_CP_HEARTBEAT	2
100
101#define ETHERH_TX_START_PAGE	1
102#define ETHERH_STOP_PAGE	127
103
104/*
105 * These came from CK/TEW
106 */
107#define ETHERM_DATAPORT		0x200	/* MEMC */
108#define ETHERM_NS8390		0x800	/* MEMC */
109#define ETHERM_CTRLPORT		0x23c	/* MEMC */
110
111#define ETHERM_TX_START_PAGE	64
112#define ETHERM_STOP_PAGE	127
113
114/* ------------------------------------------------------------------------ */
115
116#define etherh_priv(dev) \
117 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
118
119static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
120{
121	unsigned char ctrl = eh->ctrl | mask;
122	eh->ctrl = ctrl;
123	writeb(ctrl, eh->ctrl_port);
124}
125
126static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
127{
128	unsigned char ctrl = eh->ctrl & ~mask;
129	eh->ctrl = ctrl;
130	writeb(ctrl, eh->ctrl_port);
131}
132
133static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
134{
135	return readb(eh->ctrl_port);
136}
137
138
139
140
141static void etherh_irq_enable(ecard_t *ec, int irqnr)
142{
143	struct etherh_priv *eh = ec->irq_data;
144
145	etherh_set_ctrl(eh, ETHERH_CP_IE);
146}
147
148static void etherh_irq_disable(ecard_t *ec, int irqnr)
149{
150	struct etherh_priv *eh = ec->irq_data;
151
152	etherh_clr_ctrl(eh, ETHERH_CP_IE);
153}
154
155static expansioncard_ops_t etherh_ops = {
156	.irqenable	= etherh_irq_enable,
157	.irqdisable	= etherh_irq_disable,
158};
159
160
161
162
163static void
164etherh_setif(struct net_device *dev)
165{
166	struct ei_device *ei_local = netdev_priv(dev);
167	unsigned long flags;
168	void __iomem *addr;
169
170	local_irq_save(flags);
171
172	/* set the interface type */
173	switch (etherh_priv(dev)->id) {
174	case PROD_I3_ETHERLAN600:
175	case PROD_I3_ETHERLAN600A:
176		addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
177
178		switch (dev->if_port) {
179		case IF_PORT_10BASE2:
180			writeb((readb(addr) & 0xf8) | 1, addr);
181			break;
182		case IF_PORT_10BASET:
183			writeb((readb(addr) & 0xf8), addr);
184			break;
185		}
186		break;
187
188	case PROD_I3_ETHERLAN500:
189		switch (dev->if_port) {
190		case IF_PORT_10BASE2:
191			etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
192			break;
193
194		case IF_PORT_10BASET:
195			etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
196			break;
197		}
198		break;
199
200	default:
201		break;
202	}
203
204	local_irq_restore(flags);
205}
206
207static int
208etherh_getifstat(struct net_device *dev)
209{
210	struct ei_device *ei_local = netdev_priv(dev);
211	void __iomem *addr;
212	int stat = 0;
213
214	switch (etherh_priv(dev)->id) {
215	case PROD_I3_ETHERLAN600:
216	case PROD_I3_ETHERLAN600A:
217		addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
218		switch (dev->if_port) {
219		case IF_PORT_10BASE2:
220			stat = 1;
221			break;
222		case IF_PORT_10BASET:
223			stat = readb(addr) & 4;
224			break;
225		}
226		break;
227
228	case PROD_I3_ETHERLAN500:
229		switch (dev->if_port) {
230		case IF_PORT_10BASE2:
231			stat = 1;
232			break;
233		case IF_PORT_10BASET:
234			stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
235			break;
236		}
237		break;
238
239	default:
240		stat = 0;
241		break;
242	}
243
244	return stat != 0;
245}
246
247/*
248 * Configure the interface.  Note that we ignore the other
249 * parts of ifmap, since its mostly meaningless for this driver.
250 */
251static int etherh_set_config(struct net_device *dev, struct ifmap *map)
252{
253	switch (map->port) {
254	case IF_PORT_10BASE2:
255	case IF_PORT_10BASET:
256		/*
257		 * If the user explicitly sets the interface
258		 * media type, turn off automedia detection.
259		 */
260		dev->flags &= ~IFF_AUTOMEDIA;
261		dev->if_port = map->port;
262		break;
263
264	default:
265		return -EINVAL;
266	}
267
268	etherh_setif(dev);
269
270	return 0;
271}
272
273/*
274 * Reset the 8390 (hard reset).  Note that we can't actually do this.
275 */
276static void
277etherh_reset(struct net_device *dev)
278{
279	struct ei_device *ei_local = netdev_priv(dev);
280	void __iomem *addr = (void __iomem *)dev->base_addr;
281
282	writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
283
284	/*
285	 * See if we need to change the interface type.
286	 * Note that we use 'interface_num' as a flag
287	 * to indicate that we need to change the media.
288	 */
289	if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
290		ei_local->interface_num = 0;
291
292		if (dev->if_port == IF_PORT_10BASET)
293			dev->if_port = IF_PORT_10BASE2;
294		else
295			dev->if_port = IF_PORT_10BASET;
296
297		etherh_setif(dev);
298	}
299}
300
301/*
302 * Write a block of data out to the 8390
303 */
304static void
305etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
306{
307	struct ei_device *ei_local = netdev_priv(dev);
308	unsigned long dma_start;
309	void __iomem *dma_base, *addr;
310
311	if (ei_local->dmaing) {
312		netdev_err(dev, "DMAing conflict in etherh_block_input: "
313			   " DMAstat %d irqlock %d\n",
314			   ei_local->dmaing, ei_local->irqlock);
315		return;
316	}
317
318	/*
319	 * Make sure we have a round number of bytes if we're in word mode.
320	 */
321	if (count & 1 && ei_local->word16)
322		count++;
323
324	ei_local->dmaing = 1;
325
326	addr = (void __iomem *)dev->base_addr;
327	dma_base = etherh_priv(dev)->dma_base;
328
329	count = (count + 1) & ~1;
330	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
331
332	writeb (0x42, addr + EN0_RCNTLO);
333	writeb (0x00, addr + EN0_RCNTHI);
334	writeb (0x42, addr + EN0_RSARLO);
335	writeb (0x00, addr + EN0_RSARHI);
336	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
337
338	udelay (1);
339
340	writeb (ENISR_RDC, addr + EN0_ISR);
341	writeb (count, addr + EN0_RCNTLO);
342	writeb (count >> 8, addr + EN0_RCNTHI);
343	writeb (0, addr + EN0_RSARLO);
344	writeb (start_page, addr + EN0_RSARHI);
345	writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
346
347	if (ei_local->word16)
348		writesw (dma_base, buf, count >> 1);
349	else
350		writesb (dma_base, buf, count);
351
352	dma_start = jiffies;
353
354	while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
355		if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
356			netdev_warn(dev, "timeout waiting for TX RDC\n");
357			etherh_reset (dev);
358			__NS8390_init (dev, 1);
359			break;
360		}
361
362	writeb (ENISR_RDC, addr + EN0_ISR);
363	ei_local->dmaing = 0;
364}
365
366/*
367 * Read a block of data from the 8390
368 */
369static void
370etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
371{
372	struct ei_device *ei_local = netdev_priv(dev);
373	unsigned char *buf;
374	void __iomem *dma_base, *addr;
375
376	if (ei_local->dmaing) {
377		netdev_err(dev, "DMAing conflict in etherh_block_input: "
378			   " DMAstat %d irqlock %d\n",
379			   ei_local->dmaing, ei_local->irqlock);
380		return;
381	}
382
383	ei_local->dmaing = 1;
384
385	addr = (void __iomem *)dev->base_addr;
386	dma_base = etherh_priv(dev)->dma_base;
387
388	buf = skb->data;
389	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
390	writeb (count, addr + EN0_RCNTLO);
391	writeb (count >> 8, addr + EN0_RCNTHI);
392	writeb (ring_offset, addr + EN0_RSARLO);
393	writeb (ring_offset >> 8, addr + EN0_RSARHI);
394	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
395
396	if (ei_local->word16) {
397		readsw (dma_base, buf, count >> 1);
398		if (count & 1)
399			buf[count - 1] = readb (dma_base);
400	} else
401		readsb (dma_base, buf, count);
402
403	writeb (ENISR_RDC, addr + EN0_ISR);
404	ei_local->dmaing = 0;
405}
406
407/*
408 * Read a header from the 8390
409 */
410static void
411etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
412{
413	struct ei_device *ei_local = netdev_priv(dev);
414	void __iomem *dma_base, *addr;
415
416	if (ei_local->dmaing) {
417		netdev_err(dev, "DMAing conflict in etherh_get_header: "
418			   " DMAstat %d irqlock %d\n",
419			   ei_local->dmaing, ei_local->irqlock);
420		return;
421	}
422
423	ei_local->dmaing = 1;
424
425	addr = (void __iomem *)dev->base_addr;
426	dma_base = etherh_priv(dev)->dma_base;
427
428	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
429	writeb (sizeof (*hdr), addr + EN0_RCNTLO);
430	writeb (0, addr + EN0_RCNTHI);
431	writeb (0, addr + EN0_RSARLO);
432	writeb (ring_page, addr + EN0_RSARHI);
433	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
434
435	if (ei_local->word16)
436		readsw (dma_base, hdr, sizeof (*hdr) >> 1);
437	else
438		readsb (dma_base, hdr, sizeof (*hdr));
439
440	writeb (ENISR_RDC, addr + EN0_ISR);
441	ei_local->dmaing = 0;
442}
443
444/*
445 * Open/initialize the board.  This is called (in the current kernel)
446 * sometime after booting when the 'ifconfig' program is run.
447 *
448 * This routine should set everything up anew at each open, even
449 * registers that "should" only need to be set once at boot, so that
450 * there is non-reboot way to recover if something goes wrong.
451 */
452static int
453etherh_open(struct net_device *dev)
454{
455	struct ei_device *ei_local = netdev_priv(dev);
456
457	if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
458		return -EAGAIN;
459
460	/*
461	 * Make sure that we aren't going to change the
462	 * media type on the next reset - we are about to
463	 * do automedia manually now.
464	 */
465	ei_local->interface_num = 0;
466
467	/*
468	 * If we are doing automedia detection, do it now.
469	 * This is more reliable than the 8390's detection.
470	 */
471	if (dev->flags & IFF_AUTOMEDIA) {
472		dev->if_port = IF_PORT_10BASET;
473		etherh_setif(dev);
474		mdelay(1);
475		if (!etherh_getifstat(dev)) {
476			dev->if_port = IF_PORT_10BASE2;
477			etherh_setif(dev);
478		}
479	} else
480		etherh_setif(dev);
481
482	etherh_reset(dev);
483	__ei_open(dev);
484
485	return 0;
486}
487
488/*
489 * The inverse routine to etherh_open().
490 */
491static int
492etherh_close(struct net_device *dev)
493{
494	__ei_close (dev);
495	free_irq (dev->irq, dev);
496	return 0;
497}
498
499/*
500 * Read the ethernet address string from the on board rom.
501 * This is an ascii string...
502 */
503static int etherh_addr(char *addr, struct expansion_card *ec)
504{
505	struct in_chunk_dir cd;
506	char *s;
507
508	if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
509		printk(KERN_ERR "%s: unable to read module description string\n",
510		       dev_name(&ec->dev));
511		goto no_addr;
512	}
513
514	s = strchr(cd.d.string, '(');
515	if (s) {
516		int i;
517
518		for (i = 0; i < 6; i++) {
519			addr[i] = simple_strtoul(s + 1, &s, 0x10);
520			if (*s != (i == 5? ')' : ':'))
521				break;
522		}
523
524		if (i == 6)
525			return 0;
526	}
527
528	printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
529	       dev_name(&ec->dev), cd.d.string);
530
531 no_addr:
532	return -ENODEV;
533}
534
535/*
536 * Create an ethernet address from the system serial number.
537 */
538static int __init etherm_addr(char *addr)
539{
540	unsigned int serial;
541
542	if (system_serial_low == 0 && system_serial_high == 0)
543		return -ENODEV;
544
545	serial = system_serial_low | system_serial_high;
546
547	addr[0] = 0;
548	addr[1] = 0;
549	addr[2] = 0xa4;
550	addr[3] = 0x10 + (serial >> 24);
551	addr[4] = serial >> 16;
552	addr[5] = serial >> 8;
553	return 0;
554}
555
556static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
557{
558	strscpy(info->driver, DRV_NAME, sizeof(info->driver));
559	strscpy(info->version, DRV_VERSION, sizeof(info->version));
560	strscpy(info->bus_info, dev_name(dev->dev.parent),
561		sizeof(info->bus_info));
562}
563
564static int etherh_get_link_ksettings(struct net_device *dev,
565				     struct ethtool_link_ksettings *cmd)
566{
567	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
568						etherh_priv(dev)->supported);
569	cmd->base.speed = SPEED_10;
570	cmd->base.duplex = DUPLEX_HALF;
571	cmd->base.port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
572	cmd->base.autoneg = (dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE :
573							  AUTONEG_DISABLE);
574	return 0;
575}
576
577static int etherh_set_link_ksettings(struct net_device *dev,
578				     const struct ethtool_link_ksettings *cmd)
579{
580	switch (cmd->base.autoneg) {
581	case AUTONEG_ENABLE:
582		dev->flags |= IFF_AUTOMEDIA;
583		break;
584
585	case AUTONEG_DISABLE:
586		switch (cmd->base.port) {
587		case PORT_TP:
588			dev->if_port = IF_PORT_10BASET;
589			break;
590
591		case PORT_BNC:
592			dev->if_port = IF_PORT_10BASE2;
593			break;
594
595		default:
596			return -EINVAL;
597		}
598		dev->flags &= ~IFF_AUTOMEDIA;
599		break;
600
601	default:
602		return -EINVAL;
603	}
604
605	etherh_setif(dev);
606
607	return 0;
608}
609
610static u32 etherh_get_msglevel(struct net_device *dev)
611{
612	struct ei_device *ei_local = netdev_priv(dev);
613
614	return ei_local->msg_enable;
615}
616
617static void etherh_set_msglevel(struct net_device *dev, u32 v)
618{
619	struct ei_device *ei_local = netdev_priv(dev);
620
621	ei_local->msg_enable = v;
622}
623
624static const struct ethtool_ops etherh_ethtool_ops = {
625	.get_drvinfo		= etherh_get_drvinfo,
626	.get_ts_info		= ethtool_op_get_ts_info,
627	.get_msglevel		= etherh_get_msglevel,
628	.set_msglevel		= etherh_set_msglevel,
629	.get_link_ksettings	= etherh_get_link_ksettings,
630	.set_link_ksettings	= etherh_set_link_ksettings,
631};
632
633static const struct net_device_ops etherh_netdev_ops = {
634	.ndo_open		= etherh_open,
635	.ndo_stop		= etherh_close,
636	.ndo_set_config		= etherh_set_config,
637	.ndo_start_xmit		= __ei_start_xmit,
638	.ndo_tx_timeout		= __ei_tx_timeout,
639	.ndo_get_stats		= __ei_get_stats,
640	.ndo_set_rx_mode	= __ei_set_multicast_list,
641	.ndo_validate_addr	= eth_validate_addr,
642	.ndo_set_mac_address	= eth_mac_addr,
643#ifdef CONFIG_NET_POLL_CONTROLLER
644	.ndo_poll_controller	= __ei_poll,
645#endif
646};
647
648static u32 etherh_regoffsets[16];
649static u32 etherm_regoffsets[16];
650
651static int
652etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
653{
654	const struct etherh_data *data = id->data;
655	struct ei_device *ei_local;
656	struct net_device *dev;
657	struct etherh_priv *eh;
658	u8 addr[ETH_ALEN];
659	int ret;
660
661	ret = ecard_request_resources(ec);
662	if (ret)
663		goto out;
664
665	dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
666	if (!dev) {
667		ret = -ENOMEM;
668		goto release;
669	}
670
671	SET_NETDEV_DEV(dev, &ec->dev);
672
673	dev->netdev_ops		= &etherh_netdev_ops;
674	dev->irq		= ec->irq;
675	dev->ethtool_ops	= &etherh_ethtool_ops;
676
677	if (data->supported & SUPPORTED_Autoneg)
678		dev->flags |= IFF_AUTOMEDIA;
679	if (data->supported & SUPPORTED_TP) {
680		dev->flags |= IFF_PORTSEL;
681		dev->if_port = IF_PORT_10BASET;
682	} else if (data->supported & SUPPORTED_BNC) {
683		dev->flags |= IFF_PORTSEL;
684		dev->if_port = IF_PORT_10BASE2;
685	} else
686		dev->if_port = IF_PORT_UNKNOWN;
687
688	eh = etherh_priv(dev);
689	eh->supported		= data->supported;
690	eh->ctrl		= 0;
691	eh->id			= ec->cid.product;
692	eh->memc		= ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
693	if (!eh->memc) {
694		ret = -ENOMEM;
695		goto free;
696	}
697
698	eh->ctrl_port = eh->memc;
699	if (data->ctrl_ioc) {
700		eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
701		if (!eh->ioc_fast) {
702			ret = -ENOMEM;
703			goto free;
704		}
705		eh->ctrl_port = eh->ioc_fast;
706	}
707
708	dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
709	eh->dma_base = eh->memc + data->dataport_offset;
710	eh->ctrl_port += data->ctrlport_offset;
711
712	/*
713	 * IRQ and control port handling - only for non-NIC slot cards.
714	 */
715	if (ec->slot_no != 8) {
716		ecard_setirq(ec, &etherh_ops, eh);
717	} else {
718		/*
719		 * If we're in the NIC slot, make sure the IRQ is enabled
720		 */
721		etherh_set_ctrl(eh, ETHERH_CP_IE);
722	}
723
724	ei_local = netdev_priv(dev);
725	spin_lock_init(&ei_local->page_lock);
726
727	if (ec->cid.product == PROD_ANT_ETHERM) {
728		etherm_addr(addr);
729		ei_local->reg_offset = etherm_regoffsets;
730	} else {
731		etherh_addr(addr, ec);
732		ei_local->reg_offset = etherh_regoffsets;
733	}
734	eth_hw_addr_set(dev, addr);
735
736	ei_local->name          = dev->name;
737	ei_local->word16        = 1;
738	ei_local->tx_start_page = data->tx_start_page;
739	ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
740	ei_local->stop_page     = data->stop_page;
741	ei_local->reset_8390    = etherh_reset;
742	ei_local->block_input   = etherh_block_input;
743	ei_local->block_output  = etherh_block_output;
744	ei_local->get_8390_hdr  = etherh_get_header;
745	ei_local->interface_num = 0;
746
747	etherh_reset(dev);
748	__NS8390_init(dev, 0);
749
750	ret = register_netdev(dev);
751	if (ret)
752		goto free;
753
754	netdev_info(dev, "%s in slot %d, %pM\n",
755		    data->name, ec->slot_no, dev->dev_addr);
756
757	ecard_set_drvdata(ec, dev);
758
759	return 0;
760
761 free:
762	free_netdev(dev);
763 release:
764	ecard_release_resources(ec);
765 out:
766	return ret;
767}
768
769static void etherh_remove(struct expansion_card *ec)
770{
771	struct net_device *dev = ecard_get_drvdata(ec);
772
773	ecard_set_drvdata(ec, NULL);
774
775	unregister_netdev(dev);
776
777	free_netdev(dev);
778
779	ecard_release_resources(ec);
780}
781
782static struct etherh_data etherm_data = {
783	.ns8390_offset		= ETHERM_NS8390,
784	.dataport_offset	= ETHERM_NS8390 + ETHERM_DATAPORT,
785	.ctrlport_offset	= ETHERM_NS8390 + ETHERM_CTRLPORT,
786	.name			= "ANT EtherM",
787	.supported		= SUPPORTED_10baseT_Half,
788	.tx_start_page		= ETHERM_TX_START_PAGE,
789	.stop_page		= ETHERM_STOP_PAGE,
790};
791
792static struct etherh_data etherlan500_data = {
793	.ns8390_offset		= ETHERH500_NS8390,
794	.dataport_offset	= ETHERH500_NS8390 + ETHERH500_DATAPORT,
795	.ctrlport_offset	= ETHERH500_CTRLPORT,
796	.ctrl_ioc		= 1,
797	.name			= "i3 EtherH 500",
798	.supported		= SUPPORTED_10baseT_Half,
799	.tx_start_page		= ETHERH_TX_START_PAGE,
800	.stop_page		= ETHERH_STOP_PAGE,
801};
802
803static struct etherh_data etherlan600_data = {
804	.ns8390_offset		= ETHERH600_NS8390,
805	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
806	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
807	.name			= "i3 EtherH 600",
808	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
809	.tx_start_page		= ETHERH_TX_START_PAGE,
810	.stop_page		= ETHERH_STOP_PAGE,
811};
812
813static struct etherh_data etherlan600a_data = {
814	.ns8390_offset		= ETHERH600_NS8390,
815	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
816	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
817	.name			= "i3 EtherH 600A",
818	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
819	.tx_start_page		= ETHERH_TX_START_PAGE,
820	.stop_page		= ETHERH_STOP_PAGE,
821};
822
823static const struct ecard_id etherh_ids[] = {
824	{ MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
825	{ MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
826	{ MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
827	{ MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
828	{ 0xffff,   0xffff }
829};
830
831static struct ecard_driver etherh_driver = {
832	.probe		= etherh_probe,
833	.remove		= etherh_remove,
834	.id_table	= etherh_ids,
835	.drv = {
836		.name	= DRV_NAME,
837	},
838};
839
840static int __init etherh_init(void)
841{
842	int i;
843
844	for (i = 0; i < 16; i++) {
845		etherh_regoffsets[i] = i << 2;
846		etherm_regoffsets[i] = i << 5;
847	}
848
849	return ecard_register_driver(&etherh_driver);
850}
851
852static void __exit etherh_exit(void)
853{
854	ecard_remove_driver(&etherh_driver);
855}
856
857module_init(etherh_init);
858module_exit(etherh_exit);
859