xref: /openbmc/linux/drivers/net/ethernet/8390/etherh.c (revision 9f97da78)
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/system.h>
49 #include <asm/ecard.h>
50 #include <asm/io.h>
51 #include <asm/system_info.h>
52 
53 #define EI_SHIFT(x)	(ei_local->reg_offset[x])
54 
55 #define ei_inb(_p)	 readb((void __iomem *)_p)
56 #define ei_outb(_v,_p)	 writeb(_v,(void __iomem *)_p)
57 #define ei_inb_p(_p)	 readb((void __iomem *)_p)
58 #define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
59 
60 #define NET_DEBUG  0
61 #define DEBUG_INIT 2
62 
63 #define DRV_NAME	"etherh"
64 #define DRV_VERSION	"1.11"
65 
66 static char version[] __initdata =
67 	"EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
68 
69 #include "lib8390.c"
70 
71 static unsigned int net_debug = NET_DEBUG;
72 
73 struct etherh_priv {
74 	void __iomem	*ioc_fast;
75 	void __iomem	*memc;
76 	void __iomem	*dma_base;
77 	unsigned int	id;
78 	void __iomem	*ctrl_port;
79 	unsigned char	ctrl;
80 	u32		supported;
81 };
82 
83 struct etherh_data {
84 	unsigned long	ns8390_offset;
85 	unsigned long	dataport_offset;
86 	unsigned long	ctrlport_offset;
87 	int		ctrl_ioc;
88 	const char	name[16];
89 	u32		supported;
90 	unsigned char	tx_start_page;
91 	unsigned char	stop_page;
92 };
93 
94 MODULE_AUTHOR("Russell King");
95 MODULE_DESCRIPTION("EtherH/EtherM driver");
96 MODULE_LICENSE("GPL");
97 
98 #define ETHERH500_DATAPORT	0x800	/* MEMC */
99 #define ETHERH500_NS8390	0x000	/* MEMC */
100 #define ETHERH500_CTRLPORT	0x800	/* IOC  */
101 
102 #define ETHERH600_DATAPORT	0x040	/* MEMC */
103 #define ETHERH600_NS8390	0x800	/* MEMC */
104 #define ETHERH600_CTRLPORT	0x200	/* MEMC */
105 
106 #define ETHERH_CP_IE		1
107 #define ETHERH_CP_IF		2
108 #define ETHERH_CP_HEARTBEAT	2
109 
110 #define ETHERH_TX_START_PAGE	1
111 #define ETHERH_STOP_PAGE	127
112 
113 /*
114  * These came from CK/TEW
115  */
116 #define ETHERM_DATAPORT		0x200	/* MEMC */
117 #define ETHERM_NS8390		0x800	/* MEMC */
118 #define ETHERM_CTRLPORT		0x23c	/* MEMC */
119 
120 #define ETHERM_TX_START_PAGE	64
121 #define ETHERM_STOP_PAGE	127
122 
123 /* ------------------------------------------------------------------------ */
124 
125 #define etherh_priv(dev) \
126  ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
127 
128 static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
129 {
130 	unsigned char ctrl = eh->ctrl | mask;
131 	eh->ctrl = ctrl;
132 	writeb(ctrl, eh->ctrl_port);
133 }
134 
135 static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
136 {
137 	unsigned char ctrl = eh->ctrl & ~mask;
138 	eh->ctrl = ctrl;
139 	writeb(ctrl, eh->ctrl_port);
140 }
141 
142 static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
143 {
144 	return readb(eh->ctrl_port);
145 }
146 
147 
148 
149 
150 static void etherh_irq_enable(ecard_t *ec, int irqnr)
151 {
152 	struct etherh_priv *eh = ec->irq_data;
153 
154 	etherh_set_ctrl(eh, ETHERH_CP_IE);
155 }
156 
157 static void etherh_irq_disable(ecard_t *ec, int irqnr)
158 {
159 	struct etherh_priv *eh = ec->irq_data;
160 
161 	etherh_clr_ctrl(eh, ETHERH_CP_IE);
162 }
163 
164 static expansioncard_ops_t etherh_ops = {
165 	.irqenable	= etherh_irq_enable,
166 	.irqdisable	= etherh_irq_disable,
167 };
168 
169 
170 
171 
172 static void
173 etherh_setif(struct net_device *dev)
174 {
175 	struct ei_device *ei_local = netdev_priv(dev);
176 	unsigned long flags;
177 	void __iomem *addr;
178 
179 	local_irq_save(flags);
180 
181 	/* set the interface type */
182 	switch (etherh_priv(dev)->id) {
183 	case PROD_I3_ETHERLAN600:
184 	case PROD_I3_ETHERLAN600A:
185 		addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
186 
187 		switch (dev->if_port) {
188 		case IF_PORT_10BASE2:
189 			writeb((readb(addr) & 0xf8) | 1, addr);
190 			break;
191 		case IF_PORT_10BASET:
192 			writeb((readb(addr) & 0xf8), addr);
193 			break;
194 		}
195 		break;
196 
197 	case PROD_I3_ETHERLAN500:
198 		switch (dev->if_port) {
199 		case IF_PORT_10BASE2:
200 			etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
201 			break;
202 
203 		case IF_PORT_10BASET:
204 			etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
205 			break;
206 		}
207 		break;
208 
209 	default:
210 		break;
211 	}
212 
213 	local_irq_restore(flags);
214 }
215 
216 static int
217 etherh_getifstat(struct net_device *dev)
218 {
219 	struct ei_device *ei_local = netdev_priv(dev);
220 	void __iomem *addr;
221 	int stat = 0;
222 
223 	switch (etherh_priv(dev)->id) {
224 	case PROD_I3_ETHERLAN600:
225 	case PROD_I3_ETHERLAN600A:
226 		addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
227 		switch (dev->if_port) {
228 		case IF_PORT_10BASE2:
229 			stat = 1;
230 			break;
231 		case IF_PORT_10BASET:
232 			stat = readb(addr) & 4;
233 			break;
234 		}
235 		break;
236 
237 	case PROD_I3_ETHERLAN500:
238 		switch (dev->if_port) {
239 		case IF_PORT_10BASE2:
240 			stat = 1;
241 			break;
242 		case IF_PORT_10BASET:
243 			stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
244 			break;
245 		}
246 		break;
247 
248 	default:
249 		stat = 0;
250 		break;
251 	}
252 
253 	return stat != 0;
254 }
255 
256 /*
257  * Configure the interface.  Note that we ignore the other
258  * parts of ifmap, since its mostly meaningless for this driver.
259  */
260 static int etherh_set_config(struct net_device *dev, struct ifmap *map)
261 {
262 	switch (map->port) {
263 	case IF_PORT_10BASE2:
264 	case IF_PORT_10BASET:
265 		/*
266 		 * If the user explicitly sets the interface
267 		 * media type, turn off automedia detection.
268 		 */
269 		dev->flags &= ~IFF_AUTOMEDIA;
270 		dev->if_port = map->port;
271 		break;
272 
273 	default:
274 		return -EINVAL;
275 	}
276 
277 	etherh_setif(dev);
278 
279 	return 0;
280 }
281 
282 /*
283  * Reset the 8390 (hard reset).  Note that we can't actually do this.
284  */
285 static void
286 etherh_reset(struct net_device *dev)
287 {
288 	struct ei_device *ei_local = netdev_priv(dev);
289 	void __iomem *addr = (void __iomem *)dev->base_addr;
290 
291 	writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
292 
293 	/*
294 	 * See if we need to change the interface type.
295 	 * Note that we use 'interface_num' as a flag
296 	 * to indicate that we need to change the media.
297 	 */
298 	if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
299 		ei_local->interface_num = 0;
300 
301 		if (dev->if_port == IF_PORT_10BASET)
302 			dev->if_port = IF_PORT_10BASE2;
303 		else
304 			dev->if_port = IF_PORT_10BASET;
305 
306 		etherh_setif(dev);
307 	}
308 }
309 
310 /*
311  * Write a block of data out to the 8390
312  */
313 static void
314 etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
315 {
316 	struct ei_device *ei_local = netdev_priv(dev);
317 	unsigned long dma_start;
318 	void __iomem *dma_base, *addr;
319 
320 	if (ei_local->dmaing) {
321 		printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
322 			" DMAstat %d irqlock %d\n", dev->name,
323 			ei_local->dmaing, ei_local->irqlock);
324 		return;
325 	}
326 
327 	/*
328 	 * Make sure we have a round number of bytes if we're in word mode.
329 	 */
330 	if (count & 1 && ei_local->word16)
331 		count++;
332 
333 	ei_local->dmaing = 1;
334 
335 	addr = (void __iomem *)dev->base_addr;
336 	dma_base = etherh_priv(dev)->dma_base;
337 
338 	count = (count + 1) & ~1;
339 	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
340 
341 	writeb (0x42, addr + EN0_RCNTLO);
342 	writeb (0x00, addr + EN0_RCNTHI);
343 	writeb (0x42, addr + EN0_RSARLO);
344 	writeb (0x00, addr + EN0_RSARHI);
345 	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
346 
347 	udelay (1);
348 
349 	writeb (ENISR_RDC, addr + EN0_ISR);
350 	writeb (count, addr + EN0_RCNTLO);
351 	writeb (count >> 8, addr + EN0_RCNTHI);
352 	writeb (0, addr + EN0_RSARLO);
353 	writeb (start_page, addr + EN0_RSARHI);
354 	writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
355 
356 	if (ei_local->word16)
357 		writesw (dma_base, buf, count >> 1);
358 	else
359 		writesb (dma_base, buf, count);
360 
361 	dma_start = jiffies;
362 
363 	while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
364 		if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
365 			printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
366 				dev->name);
367 			etherh_reset (dev);
368 			__NS8390_init (dev, 1);
369 			break;
370 		}
371 
372 	writeb (ENISR_RDC, addr + EN0_ISR);
373 	ei_local->dmaing = 0;
374 }
375 
376 /*
377  * Read a block of data from the 8390
378  */
379 static void
380 etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
381 {
382 	struct ei_device *ei_local = netdev_priv(dev);
383 	unsigned char *buf;
384 	void __iomem *dma_base, *addr;
385 
386 	if (ei_local->dmaing) {
387 		printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
388 			" DMAstat %d irqlock %d\n", dev->name,
389 			ei_local->dmaing, ei_local->irqlock);
390 		return;
391 	}
392 
393 	ei_local->dmaing = 1;
394 
395 	addr = (void __iomem *)dev->base_addr;
396 	dma_base = etherh_priv(dev)->dma_base;
397 
398 	buf = skb->data;
399 	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
400 	writeb (count, addr + EN0_RCNTLO);
401 	writeb (count >> 8, addr + EN0_RCNTHI);
402 	writeb (ring_offset, addr + EN0_RSARLO);
403 	writeb (ring_offset >> 8, addr + EN0_RSARHI);
404 	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
405 
406 	if (ei_local->word16) {
407 		readsw (dma_base, buf, count >> 1);
408 		if (count & 1)
409 			buf[count - 1] = readb (dma_base);
410 	} else
411 		readsb (dma_base, buf, count);
412 
413 	writeb (ENISR_RDC, addr + EN0_ISR);
414 	ei_local->dmaing = 0;
415 }
416 
417 /*
418  * Read a header from the 8390
419  */
420 static void
421 etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
422 {
423 	struct ei_device *ei_local = netdev_priv(dev);
424 	void __iomem *dma_base, *addr;
425 
426 	if (ei_local->dmaing) {
427 		printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: "
428 			" DMAstat %d irqlock %d\n", dev->name,
429 			ei_local->dmaing, ei_local->irqlock);
430 		return;
431 	}
432 
433 	ei_local->dmaing = 1;
434 
435 	addr = (void __iomem *)dev->base_addr;
436 	dma_base = etherh_priv(dev)->dma_base;
437 
438 	writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
439 	writeb (sizeof (*hdr), addr + EN0_RCNTLO);
440 	writeb (0, addr + EN0_RCNTHI);
441 	writeb (0, addr + EN0_RSARLO);
442 	writeb (ring_page, addr + EN0_RSARHI);
443 	writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
444 
445 	if (ei_local->word16)
446 		readsw (dma_base, hdr, sizeof (*hdr) >> 1);
447 	else
448 		readsb (dma_base, hdr, sizeof (*hdr));
449 
450 	writeb (ENISR_RDC, addr + EN0_ISR);
451 	ei_local->dmaing = 0;
452 }
453 
454 /*
455  * Open/initialize the board.  This is called (in the current kernel)
456  * sometime after booting when the 'ifconfig' program is run.
457  *
458  * This routine should set everything up anew at each open, even
459  * registers that "should" only need to be set once at boot, so that
460  * there is non-reboot way to recover if something goes wrong.
461  */
462 static int
463 etherh_open(struct net_device *dev)
464 {
465 	struct ei_device *ei_local = netdev_priv(dev);
466 
467 	if (!is_valid_ether_addr(dev->dev_addr)) {
468 		printk(KERN_WARNING "%s: invalid ethernet MAC address\n",
469 			dev->name);
470 		return -EINVAL;
471 	}
472 
473 	if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
474 		return -EAGAIN;
475 
476 	/*
477 	 * Make sure that we aren't going to change the
478 	 * media type on the next reset - we are about to
479 	 * do automedia manually now.
480 	 */
481 	ei_local->interface_num = 0;
482 
483 	/*
484 	 * If we are doing automedia detection, do it now.
485 	 * This is more reliable than the 8390's detection.
486 	 */
487 	if (dev->flags & IFF_AUTOMEDIA) {
488 		dev->if_port = IF_PORT_10BASET;
489 		etherh_setif(dev);
490 		mdelay(1);
491 		if (!etherh_getifstat(dev)) {
492 			dev->if_port = IF_PORT_10BASE2;
493 			etherh_setif(dev);
494 		}
495 	} else
496 		etherh_setif(dev);
497 
498 	etherh_reset(dev);
499 	__ei_open(dev);
500 
501 	return 0;
502 }
503 
504 /*
505  * The inverse routine to etherh_open().
506  */
507 static int
508 etherh_close(struct net_device *dev)
509 {
510 	__ei_close (dev);
511 	free_irq (dev->irq, dev);
512 	return 0;
513 }
514 
515 /*
516  * Initialisation
517  */
518 
519 static void __init etherh_banner(void)
520 {
521 	static int version_printed;
522 
523 	if (net_debug && version_printed++ == 0)
524 		printk(KERN_INFO "%s", version);
525 }
526 
527 /*
528  * Read the ethernet address string from the on board rom.
529  * This is an ascii string...
530  */
531 static int __devinit etherh_addr(char *addr, struct expansion_card *ec)
532 {
533 	struct in_chunk_dir cd;
534 	char *s;
535 
536 	if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
537 		printk(KERN_ERR "%s: unable to read podule description string\n",
538 		       dev_name(&ec->dev));
539 		goto no_addr;
540 	}
541 
542 	s = strchr(cd.d.string, '(');
543 	if (s) {
544 		int i;
545 
546 		for (i = 0; i < 6; i++) {
547 			addr[i] = simple_strtoul(s + 1, &s, 0x10);
548 			if (*s != (i == 5? ')' : ':'))
549 				break;
550 		}
551 
552 		if (i == 6)
553 			return 0;
554 	}
555 
556 	printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
557 	       dev_name(&ec->dev), cd.d.string);
558 
559  no_addr:
560 	return -ENODEV;
561 }
562 
563 /*
564  * Create an ethernet address from the system serial number.
565  */
566 static int __init etherm_addr(char *addr)
567 {
568 	unsigned int serial;
569 
570 	if (system_serial_low == 0 && system_serial_high == 0)
571 		return -ENODEV;
572 
573 	serial = system_serial_low | system_serial_high;
574 
575 	addr[0] = 0;
576 	addr[1] = 0;
577 	addr[2] = 0xa4;
578 	addr[3] = 0x10 + (serial >> 24);
579 	addr[4] = serial >> 16;
580 	addr[5] = serial >> 8;
581 	return 0;
582 }
583 
584 static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
585 {
586 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
587 	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
588 	strlcpy(info->bus_info, dev_name(dev->dev.parent),
589 		sizeof(info->bus_info));
590 }
591 
592 static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
593 {
594 	cmd->supported	= etherh_priv(dev)->supported;
595 	ethtool_cmd_speed_set(cmd, SPEED_10);
596 	cmd->duplex	= DUPLEX_HALF;
597 	cmd->port	= dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
598 	cmd->autoneg	= (dev->flags & IFF_AUTOMEDIA ?
599 			   AUTONEG_ENABLE : AUTONEG_DISABLE);
600 	return 0;
601 }
602 
603 static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
604 {
605 	switch (cmd->autoneg) {
606 	case AUTONEG_ENABLE:
607 		dev->flags |= IFF_AUTOMEDIA;
608 		break;
609 
610 	case AUTONEG_DISABLE:
611 		switch (cmd->port) {
612 		case PORT_TP:
613 			dev->if_port = IF_PORT_10BASET;
614 			break;
615 
616 		case PORT_BNC:
617 			dev->if_port = IF_PORT_10BASE2;
618 			break;
619 
620 		default:
621 			return -EINVAL;
622 		}
623 		dev->flags &= ~IFF_AUTOMEDIA;
624 		break;
625 
626 	default:
627 		return -EINVAL;
628 	}
629 
630 	etherh_setif(dev);
631 
632 	return 0;
633 }
634 
635 static const struct ethtool_ops etherh_ethtool_ops = {
636 	.get_settings	= etherh_get_settings,
637 	.set_settings	= etherh_set_settings,
638 	.get_drvinfo	= etherh_get_drvinfo,
639 };
640 
641 static const struct net_device_ops etherh_netdev_ops = {
642 	.ndo_open		= etherh_open,
643 	.ndo_stop		= etherh_close,
644 	.ndo_set_config		= etherh_set_config,
645 	.ndo_start_xmit		= __ei_start_xmit,
646 	.ndo_tx_timeout		= __ei_tx_timeout,
647 	.ndo_get_stats		= __ei_get_stats,
648 	.ndo_set_rx_mode	= __ei_set_multicast_list,
649 	.ndo_validate_addr	= eth_validate_addr,
650 	.ndo_set_mac_address	= eth_mac_addr,
651 	.ndo_change_mtu		= eth_change_mtu,
652 #ifdef CONFIG_NET_POLL_CONTROLLER
653 	.ndo_poll_controller	= __ei_poll,
654 #endif
655 };
656 
657 static u32 etherh_regoffsets[16];
658 static u32 etherm_regoffsets[16];
659 
660 static int __devinit
661 etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
662 {
663 	const struct etherh_data *data = id->data;
664 	struct ei_device *ei_local;
665 	struct net_device *dev;
666 	struct etherh_priv *eh;
667 	int ret;
668 
669 	etherh_banner();
670 
671 	ret = ecard_request_resources(ec);
672 	if (ret)
673 		goto out;
674 
675 	dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
676 	if (!dev) {
677 		ret = -ENOMEM;
678 		goto release;
679 	}
680 
681 	SET_NETDEV_DEV(dev, &ec->dev);
682 
683 	dev->netdev_ops		= &etherh_netdev_ops;
684 	dev->irq		= ec->irq;
685 	dev->ethtool_ops	= &etherh_ethtool_ops;
686 
687 	if (data->supported & SUPPORTED_Autoneg)
688 		dev->flags |= IFF_AUTOMEDIA;
689 	if (data->supported & SUPPORTED_TP) {
690 		dev->flags |= IFF_PORTSEL;
691 		dev->if_port = IF_PORT_10BASET;
692 	} else if (data->supported & SUPPORTED_BNC) {
693 		dev->flags |= IFF_PORTSEL;
694 		dev->if_port = IF_PORT_10BASE2;
695 	} else
696 		dev->if_port = IF_PORT_UNKNOWN;
697 
698 	eh = etherh_priv(dev);
699 	eh->supported		= data->supported;
700 	eh->ctrl		= 0;
701 	eh->id			= ec->cid.product;
702 	eh->memc		= ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
703 	if (!eh->memc) {
704 		ret = -ENOMEM;
705 		goto free;
706 	}
707 
708 	eh->ctrl_port = eh->memc;
709 	if (data->ctrl_ioc) {
710 		eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
711 		if (!eh->ioc_fast) {
712 			ret = -ENOMEM;
713 			goto free;
714 		}
715 		eh->ctrl_port = eh->ioc_fast;
716 	}
717 
718 	dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
719 	eh->dma_base = eh->memc + data->dataport_offset;
720 	eh->ctrl_port += data->ctrlport_offset;
721 
722 	/*
723 	 * IRQ and control port handling - only for non-NIC slot cards.
724 	 */
725 	if (ec->slot_no != 8) {
726 		ecard_setirq(ec, &etherh_ops, eh);
727 	} else {
728 		/*
729 		 * If we're in the NIC slot, make sure the IRQ is enabled
730 		 */
731 		etherh_set_ctrl(eh, ETHERH_CP_IE);
732 	}
733 
734 	ei_local = netdev_priv(dev);
735 	spin_lock_init(&ei_local->page_lock);
736 
737 	if (ec->cid.product == PROD_ANT_ETHERM) {
738 		etherm_addr(dev->dev_addr);
739 		ei_local->reg_offset = etherm_regoffsets;
740 	} else {
741 		etherh_addr(dev->dev_addr, ec);
742 		ei_local->reg_offset = etherh_regoffsets;
743 	}
744 
745 	ei_local->name          = dev->name;
746 	ei_local->word16        = 1;
747 	ei_local->tx_start_page = data->tx_start_page;
748 	ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
749 	ei_local->stop_page     = data->stop_page;
750 	ei_local->reset_8390    = etherh_reset;
751 	ei_local->block_input   = etherh_block_input;
752 	ei_local->block_output  = etherh_block_output;
753 	ei_local->get_8390_hdr  = etherh_get_header;
754 	ei_local->interface_num = 0;
755 
756 	etherh_reset(dev);
757 	__NS8390_init(dev, 0);
758 
759 	ret = register_netdev(dev);
760 	if (ret)
761 		goto free;
762 
763 	printk(KERN_INFO "%s: %s in slot %d, %pM\n",
764 		dev->name, data->name, ec->slot_no, dev->dev_addr);
765 
766 	ecard_set_drvdata(ec, dev);
767 
768 	return 0;
769 
770  free:
771 	free_netdev(dev);
772  release:
773 	ecard_release_resources(ec);
774  out:
775 	return ret;
776 }
777 
778 static void __devexit etherh_remove(struct expansion_card *ec)
779 {
780 	struct net_device *dev = ecard_get_drvdata(ec);
781 
782 	ecard_set_drvdata(ec, NULL);
783 
784 	unregister_netdev(dev);
785 
786 	free_netdev(dev);
787 
788 	ecard_release_resources(ec);
789 }
790 
791 static struct etherh_data etherm_data = {
792 	.ns8390_offset		= ETHERM_NS8390,
793 	.dataport_offset	= ETHERM_NS8390 + ETHERM_DATAPORT,
794 	.ctrlport_offset	= ETHERM_NS8390 + ETHERM_CTRLPORT,
795 	.name			= "ANT EtherM",
796 	.supported		= SUPPORTED_10baseT_Half,
797 	.tx_start_page		= ETHERM_TX_START_PAGE,
798 	.stop_page		= ETHERM_STOP_PAGE,
799 };
800 
801 static struct etherh_data etherlan500_data = {
802 	.ns8390_offset		= ETHERH500_NS8390,
803 	.dataport_offset	= ETHERH500_NS8390 + ETHERH500_DATAPORT,
804 	.ctrlport_offset	= ETHERH500_CTRLPORT,
805 	.ctrl_ioc		= 1,
806 	.name			= "i3 EtherH 500",
807 	.supported		= SUPPORTED_10baseT_Half,
808 	.tx_start_page		= ETHERH_TX_START_PAGE,
809 	.stop_page		= ETHERH_STOP_PAGE,
810 };
811 
812 static struct etherh_data etherlan600_data = {
813 	.ns8390_offset		= ETHERH600_NS8390,
814 	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
815 	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
816 	.name			= "i3 EtherH 600",
817 	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
818 	.tx_start_page		= ETHERH_TX_START_PAGE,
819 	.stop_page		= ETHERH_STOP_PAGE,
820 };
821 
822 static struct etherh_data etherlan600a_data = {
823 	.ns8390_offset		= ETHERH600_NS8390,
824 	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
825 	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
826 	.name			= "i3 EtherH 600A",
827 	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
828 	.tx_start_page		= ETHERH_TX_START_PAGE,
829 	.stop_page		= ETHERH_STOP_PAGE,
830 };
831 
832 static const struct ecard_id etherh_ids[] = {
833 	{ MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
834 	{ MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
835 	{ MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
836 	{ MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
837 	{ 0xffff,   0xffff }
838 };
839 
840 static struct ecard_driver etherh_driver = {
841 	.probe		= etherh_probe,
842 	.remove		= __devexit_p(etherh_remove),
843 	.id_table	= etherh_ids,
844 	.drv = {
845 		.name	= DRV_NAME,
846 	},
847 };
848 
849 static int __init etherh_init(void)
850 {
851 	int i;
852 
853 	for (i = 0; i < 16; i++) {
854 		etherh_regoffsets[i] = i << 2;
855 		etherm_regoffsets[i] = i << 5;
856 	}
857 
858 	return ecard_register_driver(&etherh_driver);
859 }
860 
861 static void __exit etherh_exit(void)
862 {
863 	ecard_remove_driver(&etherh_driver);
864 }
865 
866 module_init(etherh_init);
867 module_exit(etherh_exit);
868