1/*
2 *  linux/drivers/acorn/net/etherh.c
3 *
4 *  Copyright (C) 2000-2002 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * NS8390 I-cubed EtherH and ANT EtherM specific driver
11 * Thanks to I-Cubed for information on their cards.
12 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
13 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
14 * EtherM integration re-engineered by Russell King.
15 *
16 * Changelog:
17 *  08-12-1996	RMK	1.00	Created
18 *		RMK	1.03	Added support for EtherLan500 cards
19 *  23-11-1997	RMK	1.04	Added media autodetection
20 *  16-04-1998	RMK	1.05	Improved media autodetection
21 *  10-02-2000	RMK	1.06	Updated for 2.3.43
22 *  13-05-2000	RMK	1.07	Updated for 2.3.99-pre8
23 *  12-10-1999  CK/TEW		EtherM driver first release
24 *  21-12-2000	TTC		EtherH/EtherM integration
25 *  25-12-2000	RMK	1.08	Clean integration of EtherM into this driver.
26 *  03-01-2002	RMK	1.09	Always enable IRQs if we're in the nic slot.
27 */
28
29#include <linux/module.h>
30#include <linux/kernel.h>
31#include <linux/types.h>
32#include <linux/fcntl.h>
33#include <linux/interrupt.h>
34#include <linux/ioport.h>
35#include <linux/in.h>
36#include <linux/string.h>
37#include <linux/errno.h>
38#include <linux/netdevice.h>
39#include <linux/etherdevice.h>
40#include <linux/ethtool.h>
41#include <linux/skbuff.h>
42#include <linux/delay.h>
43#include <linux/device.h>
44#include <linux/init.h>
45#include <linux/bitops.h>
46#include <linux/jiffies.h>
47
48#include <asm/ecard.h>
49#include <asm/io.h>
50#include <asm/system_info.h>
51
52#define EI_SHIFT(x)	(ei_local->reg_offset[x])
53
54#define ei_inb(_p)	 readb((void __iomem *)_p)
55#define ei_outb(_v,_p)	 writeb(_v,(void __iomem *)_p)
56#define ei_inb_p(_p)	 readb((void __iomem *)_p)
57#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
58
59#define DRV_NAME	"etherh"
60#define DRV_VERSION	"1.11"
61
62static char version[] =
63	"EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
64
65#include "lib8390.c"
66
67static u32 etherh_msg_enable;
68
69struct etherh_priv {
70	void __iomem	*ioc_fast;
71	void __iomem	*memc;
72	void __iomem	*dma_base;
73	unsigned int	id;
74	void __iomem	*ctrl_port;
75	unsigned char	ctrl;
76	u32		supported;
77};
78
79struct etherh_data {
80	unsigned long	ns8390_offset;
81	unsigned long	dataport_offset;
82	unsigned long	ctrlport_offset;
83	int		ctrl_ioc;
84	const char	name[16];
85	u32		supported;
86	unsigned char	tx_start_page;
87	unsigned char	stop_page;
88};
89
90MODULE_AUTHOR("Russell King");
91MODULE_DESCRIPTION("EtherH/EtherM driver");
92MODULE_LICENSE("GPL");
93
94#define ETHERH500_DATAPORT	0x800	/* MEMC */
95#define ETHERH500_NS8390	0x000	/* MEMC */
96#define ETHERH500_CTRLPORT	0x800	/* IOC  */
97
98#define ETHERH600_DATAPORT	0x040	/* MEMC */
99#define ETHERH600_NS8390	0x800	/* MEMC */
100#define ETHERH600_CTRLPORT	0x200	/* MEMC */
101
102#define ETHERH_CP_IE		1
103#define ETHERH_CP_IF		2
104#define ETHERH_CP_HEARTBEAT	2
105
106#define ETHERH_TX_START_PAGE	1
107#define ETHERH_STOP_PAGE	127
108
109/*
110 * These came from CK/TEW
111 */
112#define ETHERM_DATAPORT		0x200	/* MEMC */
113#define ETHERM_NS8390		0x800	/* MEMC */
114#define ETHERM_CTRLPORT		0x23c	/* MEMC */
115
116#define ETHERM_TX_START_PAGE	64
117#define ETHERM_STOP_PAGE	127
118
119/* ------------------------------------------------------------------------ */
120
121#define etherh_priv(dev) \
122 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
123
124static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
125{
126	unsigned char ctrl = eh->ctrl | mask;
127	eh->ctrl = ctrl;
128	writeb(ctrl, eh->ctrl_port);
129}
130
131static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
132{
133	unsigned char ctrl = eh->ctrl & ~mask;
134	eh->ctrl = ctrl;
135	writeb(ctrl, eh->ctrl_port);
136}
137
138static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
139{
140	return readb(eh->ctrl_port);
141}
142
143
144
145
146static void etherh_irq_enable(ecard_t *ec, int irqnr)
147{
148	struct etherh_priv *eh = ec->irq_data;
149
150	etherh_set_ctrl(eh, ETHERH_CP_IE);
151}
152
153static void etherh_irq_disable(ecard_t *ec, int irqnr)
154{
155	struct etherh_priv *eh = ec->irq_data;
156
157	etherh_clr_ctrl(eh, ETHERH_CP_IE);
158}
159
160static expansioncard_ops_t etherh_ops = {
161	.irqenable	= etherh_irq_enable,
162	.irqdisable	= etherh_irq_disable,
163};
164
165
166
167
168static void
169etherh_setif(struct net_device *dev)
170{
171	struct ei_device *ei_local = netdev_priv(dev);
172	unsigned long flags;
173	void __iomem *addr;
174
175	local_irq_save(flags);
176
177	/* set the interface type */
178	switch (etherh_priv(dev)->id) {
179	case PROD_I3_ETHERLAN600:
180	case PROD_I3_ETHERLAN600A:
181		addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
182
183		switch (dev->if_port) {
184		case IF_PORT_10BASE2:
185			writeb((readb(addr) & 0xf8) | 1, addr);
186			break;
187		case IF_PORT_10BASET:
188			writeb((readb(addr) & 0xf8), addr);
189			break;
190		}
191		break;
192
193	case PROD_I3_ETHERLAN500:
194		switch (dev->if_port) {
195		case IF_PORT_10BASE2:
196			etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
197			break;
198
199		case IF_PORT_10BASET:
200			etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
201			break;
202		}
203		break;
204
205	default:
206		break;
207	}
208
209	local_irq_restore(flags);
210}
211
212static int
213etherh_getifstat(struct net_device *dev)
214{
215	struct ei_device *ei_local = netdev_priv(dev);
216	void __iomem *addr;
217	int stat = 0;
218
219	switch (etherh_priv(dev)->id) {
220	case PROD_I3_ETHERLAN600:
221	case PROD_I3_ETHERLAN600A:
222		addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
223		switch (dev->if_port) {
224		case IF_PORT_10BASE2:
225			stat = 1;
226			break;
227		case IF_PORT_10BASET:
228			stat = readb(addr) & 4;
229			break;
230		}
231		break;
232
233	case PROD_I3_ETHERLAN500:
234		switch (dev->if_port) {
235		case IF_PORT_10BASE2:
236			stat = 1;
237			break;
238		case IF_PORT_10BASET:
239			stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
240			break;
241		}
242		break;
243
244	default:
245		stat = 0;
246		break;
247	}
248
249	return stat != 0;
250}
251
252/*
253 * Configure the interface.  Note that we ignore the other
254 * parts of ifmap, since its mostly meaningless for this driver.
255 */
256static int etherh_set_config(struct net_device *dev, struct ifmap *map)
257{
258	switch (map->port) {
259	case IF_PORT_10BASE2:
260	case IF_PORT_10BASET:
261		/*
262		 * If the user explicitly sets the interface
263		 * media type, turn off automedia detection.
264		 */
265		dev->flags &= ~IFF_AUTOMEDIA;
266		dev->if_port = map->port;
267		break;
268
269	default:
270		return -EINVAL;
271	}
272
273	etherh_setif(dev);
274
275	return 0;
276}
277
278/*
279 * Reset the 8390 (hard reset).  Note that we can't actually do this.
280 */
281static void
282etherh_reset(struct net_device *dev)
283{
284	struct ei_device *ei_local = netdev_priv(dev);
285	void __iomem *addr = (void __iomem *)dev->base_addr;
286
287	writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
288
289	/*
290	 * See if we need to change the interface type.
291	 * Note that we use 'interface_num' as a flag
292	 * to indicate that we need to change the media.
293	 */
294	if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
295		ei_local->interface_num = 0;
296
297		if (dev->if_port == IF_PORT_10BASET)
298			dev->if_port = IF_PORT_10BASE2;
299		else
300			dev->if_port = IF_PORT_10BASET;
301
302		etherh_setif(dev);
303	}
304}
305
306/*
307 * Write a block of data out to the 8390
308 */
309static void
310etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
311{
312	struct ei_device *ei_local = netdev_priv(dev);
313	unsigned long dma_start;
314	void __iomem *dma_base, *addr;
315
316	if (ei_local->dmaing) {
317		netdev_err(dev, "DMAing conflict in etherh_block_input: "
318			   " DMAstat %d irqlock %d\n",
319			   ei_local->dmaing, ei_local->irqlock);
320		return;
321	}
322
323	/*
324	 * Make sure we have a round number of bytes if we're in word mode.
325	 */
326	if (count & 1 && ei_local->word16)
327		count++;
328
329	ei_local->dmaing = 1;
330
331	addr = (void __iomem *)dev->base_addr;
332	dma_base = etherh_priv(dev)->dma_base;
333
334	count = (count + 1) & ~1;
335	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
336
337	writeb (0x42, addr + EN0_RCNTLO);
338	writeb (0x00, addr + EN0_RCNTHI);
339	writeb (0x42, addr + EN0_RSARLO);
340	writeb (0x00, addr + EN0_RSARHI);
341	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
342
343	udelay (1);
344
345	writeb (ENISR_RDC, addr + EN0_ISR);
346	writeb (count, addr + EN0_RCNTLO);
347	writeb (count >> 8, addr + EN0_RCNTHI);
348	writeb (0, addr + EN0_RSARLO);
349	writeb (start_page, addr + EN0_RSARHI);
350	writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
351
352	if (ei_local->word16)
353		writesw (dma_base, buf, count >> 1);
354	else
355		writesb (dma_base, buf, count);
356
357	dma_start = jiffies;
358
359	while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
360		if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
361			netdev_warn(dev, "timeout waiting for TX RDC\n");
362			etherh_reset (dev);
363			__NS8390_init (dev, 1);
364			break;
365		}
366
367	writeb (ENISR_RDC, addr + EN0_ISR);
368	ei_local->dmaing = 0;
369}
370
371/*
372 * Read a block of data from the 8390
373 */
374static void
375etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
376{
377	struct ei_device *ei_local = netdev_priv(dev);
378	unsigned char *buf;
379	void __iomem *dma_base, *addr;
380
381	if (ei_local->dmaing) {
382		netdev_err(dev, "DMAing conflict in etherh_block_input: "
383			   " DMAstat %d irqlock %d\n",
384			   ei_local->dmaing, ei_local->irqlock);
385		return;
386	}
387
388	ei_local->dmaing = 1;
389
390	addr = (void __iomem *)dev->base_addr;
391	dma_base = etherh_priv(dev)->dma_base;
392
393	buf = skb->data;
394	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
395	writeb (count, addr + EN0_RCNTLO);
396	writeb (count >> 8, addr + EN0_RCNTHI);
397	writeb (ring_offset, addr + EN0_RSARLO);
398	writeb (ring_offset >> 8, addr + EN0_RSARHI);
399	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
400
401	if (ei_local->word16) {
402		readsw (dma_base, buf, count >> 1);
403		if (count & 1)
404			buf[count - 1] = readb (dma_base);
405	} else
406		readsb (dma_base, buf, count);
407
408	writeb (ENISR_RDC, addr + EN0_ISR);
409	ei_local->dmaing = 0;
410}
411
412/*
413 * Read a header from the 8390
414 */
415static void
416etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
417{
418	struct ei_device *ei_local = netdev_priv(dev);
419	void __iomem *dma_base, *addr;
420
421	if (ei_local->dmaing) {
422		netdev_err(dev, "DMAing conflict in etherh_get_header: "
423			   " DMAstat %d irqlock %d\n",
424			   ei_local->dmaing, ei_local->irqlock);
425		return;
426	}
427
428	ei_local->dmaing = 1;
429
430	addr = (void __iomem *)dev->base_addr;
431	dma_base = etherh_priv(dev)->dma_base;
432
433	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
434	writeb (sizeof (*hdr), addr + EN0_RCNTLO);
435	writeb (0, addr + EN0_RCNTHI);
436	writeb (0, addr + EN0_RSARLO);
437	writeb (ring_page, addr + EN0_RSARHI);
438	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
439
440	if (ei_local->word16)
441		readsw (dma_base, hdr, sizeof (*hdr) >> 1);
442	else
443		readsb (dma_base, hdr, sizeof (*hdr));
444
445	writeb (ENISR_RDC, addr + EN0_ISR);
446	ei_local->dmaing = 0;
447}
448
449/*
450 * Open/initialize the board.  This is called (in the current kernel)
451 * sometime after booting when the 'ifconfig' program is run.
452 *
453 * This routine should set everything up anew at each open, even
454 * registers that "should" only need to be set once at boot, so that
455 * there is non-reboot way to recover if something goes wrong.
456 */
457static int
458etherh_open(struct net_device *dev)
459{
460	struct ei_device *ei_local = netdev_priv(dev);
461
462	if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
463		return -EAGAIN;
464
465	/*
466	 * Make sure that we aren't going to change the
467	 * media type on the next reset - we are about to
468	 * do automedia manually now.
469	 */
470	ei_local->interface_num = 0;
471
472	/*
473	 * If we are doing automedia detection, do it now.
474	 * This is more reliable than the 8390's detection.
475	 */
476	if (dev->flags & IFF_AUTOMEDIA) {
477		dev->if_port = IF_PORT_10BASET;
478		etherh_setif(dev);
479		mdelay(1);
480		if (!etherh_getifstat(dev)) {
481			dev->if_port = IF_PORT_10BASE2;
482			etherh_setif(dev);
483		}
484	} else
485		etherh_setif(dev);
486
487	etherh_reset(dev);
488	__ei_open(dev);
489
490	return 0;
491}
492
493/*
494 * The inverse routine to etherh_open().
495 */
496static int
497etherh_close(struct net_device *dev)
498{
499	__ei_close (dev);
500	free_irq (dev->irq, dev);
501	return 0;
502}
503
504/*
505 * Initialisation
506 */
507
508static void __init etherh_banner(void)
509{
510	static int version_printed;
511
512	if ((etherh_msg_enable & NETIF_MSG_DRV) && (version_printed++ == 0))
513		pr_info("%s", version);
514}
515
516/*
517 * Read the ethernet address string from the on board rom.
518 * This is an ascii string...
519 */
520static int etherh_addr(char *addr, struct expansion_card *ec)
521{
522	struct in_chunk_dir cd;
523	char *s;
524
525	if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
526		printk(KERN_ERR "%s: unable to read module description string\n",
527		       dev_name(&ec->dev));
528		goto no_addr;
529	}
530
531	s = strchr(cd.d.string, '(');
532	if (s) {
533		int i;
534
535		for (i = 0; i < 6; i++) {
536			addr[i] = simple_strtoul(s + 1, &s, 0x10);
537			if (*s != (i == 5? ')' : ':'))
538				break;
539		}
540
541		if (i == 6)
542			return 0;
543	}
544
545	printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
546	       dev_name(&ec->dev), cd.d.string);
547
548 no_addr:
549	return -ENODEV;
550}
551
552/*
553 * Create an ethernet address from the system serial number.
554 */
555static int __init etherm_addr(char *addr)
556{
557	unsigned int serial;
558
559	if (system_serial_low == 0 && system_serial_high == 0)
560		return -ENODEV;
561
562	serial = system_serial_low | system_serial_high;
563
564	addr[0] = 0;
565	addr[1] = 0;
566	addr[2] = 0xa4;
567	addr[3] = 0x10 + (serial >> 24);
568	addr[4] = serial >> 16;
569	addr[5] = serial >> 8;
570	return 0;
571}
572
573static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
574{
575	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
576	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
577	strlcpy(info->bus_info, dev_name(dev->dev.parent),
578		sizeof(info->bus_info));
579}
580
581static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
582{
583	cmd->supported	= etherh_priv(dev)->supported;
584	ethtool_cmd_speed_set(cmd, SPEED_10);
585	cmd->duplex	= DUPLEX_HALF;
586	cmd->port	= dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
587	cmd->autoneg	= (dev->flags & IFF_AUTOMEDIA ?
588			   AUTONEG_ENABLE : AUTONEG_DISABLE);
589	return 0;
590}
591
592static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
593{
594	switch (cmd->autoneg) {
595	case AUTONEG_ENABLE:
596		dev->flags |= IFF_AUTOMEDIA;
597		break;
598
599	case AUTONEG_DISABLE:
600		switch (cmd->port) {
601		case PORT_TP:
602			dev->if_port = IF_PORT_10BASET;
603			break;
604
605		case PORT_BNC:
606			dev->if_port = IF_PORT_10BASE2;
607			break;
608
609		default:
610			return -EINVAL;
611		}
612		dev->flags &= ~IFF_AUTOMEDIA;
613		break;
614
615	default:
616		return -EINVAL;
617	}
618
619	etherh_setif(dev);
620
621	return 0;
622}
623
624static u32 etherh_get_msglevel(struct net_device *dev)
625{
626	struct ei_device *ei_local = netdev_priv(dev);
627
628	return ei_local->msg_enable;
629}
630
631static void etherh_set_msglevel(struct net_device *dev, u32 v)
632{
633	struct ei_device *ei_local = netdev_priv(dev);
634
635	ei_local->msg_enable = v;
636}
637
638static const struct ethtool_ops etherh_ethtool_ops = {
639	.get_settings	= etherh_get_settings,
640	.set_settings	= etherh_set_settings,
641	.get_drvinfo	= etherh_get_drvinfo,
642	.get_ts_info	= ethtool_op_get_ts_info,
643	.get_msglevel	= etherh_get_msglevel,
644	.set_msglevel	= etherh_set_msglevel,
645};
646
647static const struct net_device_ops etherh_netdev_ops = {
648	.ndo_open		= etherh_open,
649	.ndo_stop		= etherh_close,
650	.ndo_set_config		= etherh_set_config,
651	.ndo_start_xmit		= __ei_start_xmit,
652	.ndo_tx_timeout		= __ei_tx_timeout,
653	.ndo_get_stats		= __ei_get_stats,
654	.ndo_set_rx_mode	= __ei_set_multicast_list,
655	.ndo_validate_addr	= eth_validate_addr,
656	.ndo_set_mac_address	= eth_mac_addr,
657	.ndo_change_mtu		= eth_change_mtu,
658#ifdef CONFIG_NET_POLL_CONTROLLER
659	.ndo_poll_controller	= __ei_poll,
660#endif
661};
662
663static u32 etherh_regoffsets[16];
664static u32 etherm_regoffsets[16];
665
666static int
667etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
668{
669	const struct etherh_data *data = id->data;
670	struct ei_device *ei_local;
671	struct net_device *dev;
672	struct etherh_priv *eh;
673	int ret;
674
675	etherh_banner();
676
677	ret = ecard_request_resources(ec);
678	if (ret)
679		goto out;
680
681	dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
682	if (!dev) {
683		ret = -ENOMEM;
684		goto release;
685	}
686
687	SET_NETDEV_DEV(dev, &ec->dev);
688
689	dev->netdev_ops		= &etherh_netdev_ops;
690	dev->irq		= ec->irq;
691	dev->ethtool_ops	= &etherh_ethtool_ops;
692
693	if (data->supported & SUPPORTED_Autoneg)
694		dev->flags |= IFF_AUTOMEDIA;
695	if (data->supported & SUPPORTED_TP) {
696		dev->flags |= IFF_PORTSEL;
697		dev->if_port = IF_PORT_10BASET;
698	} else if (data->supported & SUPPORTED_BNC) {
699		dev->flags |= IFF_PORTSEL;
700		dev->if_port = IF_PORT_10BASE2;
701	} else
702		dev->if_port = IF_PORT_UNKNOWN;
703
704	eh = etherh_priv(dev);
705	eh->supported		= data->supported;
706	eh->ctrl		= 0;
707	eh->id			= ec->cid.product;
708	eh->memc		= ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
709	if (!eh->memc) {
710		ret = -ENOMEM;
711		goto free;
712	}
713
714	eh->ctrl_port = eh->memc;
715	if (data->ctrl_ioc) {
716		eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
717		if (!eh->ioc_fast) {
718			ret = -ENOMEM;
719			goto free;
720		}
721		eh->ctrl_port = eh->ioc_fast;
722	}
723
724	dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
725	eh->dma_base = eh->memc + data->dataport_offset;
726	eh->ctrl_port += data->ctrlport_offset;
727
728	/*
729	 * IRQ and control port handling - only for non-NIC slot cards.
730	 */
731	if (ec->slot_no != 8) {
732		ecard_setirq(ec, &etherh_ops, eh);
733	} else {
734		/*
735		 * If we're in the NIC slot, make sure the IRQ is enabled
736		 */
737		etherh_set_ctrl(eh, ETHERH_CP_IE);
738	}
739
740	ei_local = netdev_priv(dev);
741	spin_lock_init(&ei_local->page_lock);
742
743	if (ec->cid.product == PROD_ANT_ETHERM) {
744		etherm_addr(dev->dev_addr);
745		ei_local->reg_offset = etherm_regoffsets;
746	} else {
747		etherh_addr(dev->dev_addr, ec);
748		ei_local->reg_offset = etherh_regoffsets;
749	}
750
751	ei_local->name          = dev->name;
752	ei_local->word16        = 1;
753	ei_local->tx_start_page = data->tx_start_page;
754	ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
755	ei_local->stop_page     = data->stop_page;
756	ei_local->reset_8390    = etherh_reset;
757	ei_local->block_input   = etherh_block_input;
758	ei_local->block_output  = etherh_block_output;
759	ei_local->get_8390_hdr  = etherh_get_header;
760	ei_local->interface_num = 0;
761	ei_local->msg_enable = etherh_msg_enable;
762
763	etherh_reset(dev);
764	__NS8390_init(dev, 0);
765
766	ret = register_netdev(dev);
767	if (ret)
768		goto free;
769
770	netdev_info(dev, "%s in slot %d, %pM\n",
771		    data->name, ec->slot_no, dev->dev_addr);
772
773	ecard_set_drvdata(ec, dev);
774
775	return 0;
776
777 free:
778	free_netdev(dev);
779 release:
780	ecard_release_resources(ec);
781 out:
782	return ret;
783}
784
785static void etherh_remove(struct expansion_card *ec)
786{
787	struct net_device *dev = ecard_get_drvdata(ec);
788
789	ecard_set_drvdata(ec, NULL);
790
791	unregister_netdev(dev);
792
793	free_netdev(dev);
794
795	ecard_release_resources(ec);
796}
797
798static struct etherh_data etherm_data = {
799	.ns8390_offset		= ETHERM_NS8390,
800	.dataport_offset	= ETHERM_NS8390 + ETHERM_DATAPORT,
801	.ctrlport_offset	= ETHERM_NS8390 + ETHERM_CTRLPORT,
802	.name			= "ANT EtherM",
803	.supported		= SUPPORTED_10baseT_Half,
804	.tx_start_page		= ETHERM_TX_START_PAGE,
805	.stop_page		= ETHERM_STOP_PAGE,
806};
807
808static struct etherh_data etherlan500_data = {
809	.ns8390_offset		= ETHERH500_NS8390,
810	.dataport_offset	= ETHERH500_NS8390 + ETHERH500_DATAPORT,
811	.ctrlport_offset	= ETHERH500_CTRLPORT,
812	.ctrl_ioc		= 1,
813	.name			= "i3 EtherH 500",
814	.supported		= SUPPORTED_10baseT_Half,
815	.tx_start_page		= ETHERH_TX_START_PAGE,
816	.stop_page		= ETHERH_STOP_PAGE,
817};
818
819static struct etherh_data etherlan600_data = {
820	.ns8390_offset		= ETHERH600_NS8390,
821	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
822	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
823	.name			= "i3 EtherH 600",
824	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
825	.tx_start_page		= ETHERH_TX_START_PAGE,
826	.stop_page		= ETHERH_STOP_PAGE,
827};
828
829static struct etherh_data etherlan600a_data = {
830	.ns8390_offset		= ETHERH600_NS8390,
831	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
832	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
833	.name			= "i3 EtherH 600A",
834	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
835	.tx_start_page		= ETHERH_TX_START_PAGE,
836	.stop_page		= ETHERH_STOP_PAGE,
837};
838
839static const struct ecard_id etherh_ids[] = {
840	{ MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
841	{ MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
842	{ MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
843	{ MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
844	{ 0xffff,   0xffff }
845};
846
847static struct ecard_driver etherh_driver = {
848	.probe		= etherh_probe,
849	.remove		= etherh_remove,
850	.id_table	= etherh_ids,
851	.drv = {
852		.name	= DRV_NAME,
853	},
854};
855
856static int __init etherh_init(void)
857{
858	int i;
859
860	for (i = 0; i < 16; i++) {
861		etherh_regoffsets[i] = i << 2;
862		etherm_regoffsets[i] = i << 5;
863	}
864
865	return ecard_register_driver(&etherh_driver);
866}
867
868static void __exit etherh_exit(void)
869{
870	ecard_remove_driver(&etherh_driver);
871}
872
873module_init(etherh_init);
874module_exit(etherh_exit);
875