xref: /openbmc/linux/drivers/net/ethernet/8390/etherh.c (revision a52ad514)
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 
62 static char version[] =
63 	"EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
64 
65 #include "lib8390.c"
66 
67 static u32 etherh_msg_enable;
68 
69 struct 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 
79 struct 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 
90 MODULE_AUTHOR("Russell King");
91 MODULE_DESCRIPTION("EtherH/EtherM driver");
92 MODULE_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 
124 static 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 
131 static 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 
138 static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
139 {
140 	return readb(eh->ctrl_port);
141 }
142 
143 
144 
145 
146 static 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 
153 static 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 
160 static expansioncard_ops_t etherh_ops = {
161 	.irqenable	= etherh_irq_enable,
162 	.irqdisable	= etherh_irq_disable,
163 };
164 
165 
166 
167 
168 static void
169 etherh_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 
212 static int
213 etherh_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  */
256 static 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  */
281 static void
282 etherh_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  */
309 static void
310 etherh_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  */
374 static void
375 etherh_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  */
415 static void
416 etherh_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  */
457 static int
458 etherh_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  */
496 static int
497 etherh_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 
508 static 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  */
520 static 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  */
555 static 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 
573 static 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 
581 static 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 
592 static 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 
624 static 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 
631 static 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 
638 static 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 
647 static 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 #ifdef CONFIG_NET_POLL_CONTROLLER
658 	.ndo_poll_controller	= __ei_poll,
659 #endif
660 };
661 
662 static u32 etherh_regoffsets[16];
663 static u32 etherm_regoffsets[16];
664 
665 static int
666 etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
667 {
668 	const struct etherh_data *data = id->data;
669 	struct ei_device *ei_local;
670 	struct net_device *dev;
671 	struct etherh_priv *eh;
672 	int ret;
673 
674 	etherh_banner();
675 
676 	ret = ecard_request_resources(ec);
677 	if (ret)
678 		goto out;
679 
680 	dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
681 	if (!dev) {
682 		ret = -ENOMEM;
683 		goto release;
684 	}
685 
686 	SET_NETDEV_DEV(dev, &ec->dev);
687 
688 	dev->netdev_ops		= &etherh_netdev_ops;
689 	dev->irq		= ec->irq;
690 	dev->ethtool_ops	= &etherh_ethtool_ops;
691 
692 	if (data->supported & SUPPORTED_Autoneg)
693 		dev->flags |= IFF_AUTOMEDIA;
694 	if (data->supported & SUPPORTED_TP) {
695 		dev->flags |= IFF_PORTSEL;
696 		dev->if_port = IF_PORT_10BASET;
697 	} else if (data->supported & SUPPORTED_BNC) {
698 		dev->flags |= IFF_PORTSEL;
699 		dev->if_port = IF_PORT_10BASE2;
700 	} else
701 		dev->if_port = IF_PORT_UNKNOWN;
702 
703 	eh = etherh_priv(dev);
704 	eh->supported		= data->supported;
705 	eh->ctrl		= 0;
706 	eh->id			= ec->cid.product;
707 	eh->memc		= ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
708 	if (!eh->memc) {
709 		ret = -ENOMEM;
710 		goto free;
711 	}
712 
713 	eh->ctrl_port = eh->memc;
714 	if (data->ctrl_ioc) {
715 		eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
716 		if (!eh->ioc_fast) {
717 			ret = -ENOMEM;
718 			goto free;
719 		}
720 		eh->ctrl_port = eh->ioc_fast;
721 	}
722 
723 	dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
724 	eh->dma_base = eh->memc + data->dataport_offset;
725 	eh->ctrl_port += data->ctrlport_offset;
726 
727 	/*
728 	 * IRQ and control port handling - only for non-NIC slot cards.
729 	 */
730 	if (ec->slot_no != 8) {
731 		ecard_setirq(ec, &etherh_ops, eh);
732 	} else {
733 		/*
734 		 * If we're in the NIC slot, make sure the IRQ is enabled
735 		 */
736 		etherh_set_ctrl(eh, ETHERH_CP_IE);
737 	}
738 
739 	ei_local = netdev_priv(dev);
740 	spin_lock_init(&ei_local->page_lock);
741 
742 	if (ec->cid.product == PROD_ANT_ETHERM) {
743 		etherm_addr(dev->dev_addr);
744 		ei_local->reg_offset = etherm_regoffsets;
745 	} else {
746 		etherh_addr(dev->dev_addr, ec);
747 		ei_local->reg_offset = etherh_regoffsets;
748 	}
749 
750 	ei_local->name          = dev->name;
751 	ei_local->word16        = 1;
752 	ei_local->tx_start_page = data->tx_start_page;
753 	ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
754 	ei_local->stop_page     = data->stop_page;
755 	ei_local->reset_8390    = etherh_reset;
756 	ei_local->block_input   = etherh_block_input;
757 	ei_local->block_output  = etherh_block_output;
758 	ei_local->get_8390_hdr  = etherh_get_header;
759 	ei_local->interface_num = 0;
760 	ei_local->msg_enable = etherh_msg_enable;
761 
762 	etherh_reset(dev);
763 	__NS8390_init(dev, 0);
764 
765 	ret = register_netdev(dev);
766 	if (ret)
767 		goto free;
768 
769 	netdev_info(dev, "%s in slot %d, %pM\n",
770 		    data->name, ec->slot_no, dev->dev_addr);
771 
772 	ecard_set_drvdata(ec, dev);
773 
774 	return 0;
775 
776  free:
777 	free_netdev(dev);
778  release:
779 	ecard_release_resources(ec);
780  out:
781 	return ret;
782 }
783 
784 static void etherh_remove(struct expansion_card *ec)
785 {
786 	struct net_device *dev = ecard_get_drvdata(ec);
787 
788 	ecard_set_drvdata(ec, NULL);
789 
790 	unregister_netdev(dev);
791 
792 	free_netdev(dev);
793 
794 	ecard_release_resources(ec);
795 }
796 
797 static struct etherh_data etherm_data = {
798 	.ns8390_offset		= ETHERM_NS8390,
799 	.dataport_offset	= ETHERM_NS8390 + ETHERM_DATAPORT,
800 	.ctrlport_offset	= ETHERM_NS8390 + ETHERM_CTRLPORT,
801 	.name			= "ANT EtherM",
802 	.supported		= SUPPORTED_10baseT_Half,
803 	.tx_start_page		= ETHERM_TX_START_PAGE,
804 	.stop_page		= ETHERM_STOP_PAGE,
805 };
806 
807 static struct etherh_data etherlan500_data = {
808 	.ns8390_offset		= ETHERH500_NS8390,
809 	.dataport_offset	= ETHERH500_NS8390 + ETHERH500_DATAPORT,
810 	.ctrlport_offset	= ETHERH500_CTRLPORT,
811 	.ctrl_ioc		= 1,
812 	.name			= "i3 EtherH 500",
813 	.supported		= SUPPORTED_10baseT_Half,
814 	.tx_start_page		= ETHERH_TX_START_PAGE,
815 	.stop_page		= ETHERH_STOP_PAGE,
816 };
817 
818 static struct etherh_data etherlan600_data = {
819 	.ns8390_offset		= ETHERH600_NS8390,
820 	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
821 	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
822 	.name			= "i3 EtherH 600",
823 	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
824 	.tx_start_page		= ETHERH_TX_START_PAGE,
825 	.stop_page		= ETHERH_STOP_PAGE,
826 };
827 
828 static struct etherh_data etherlan600a_data = {
829 	.ns8390_offset		= ETHERH600_NS8390,
830 	.dataport_offset	= ETHERH600_NS8390 + ETHERH600_DATAPORT,
831 	.ctrlport_offset	= ETHERH600_NS8390 + ETHERH600_CTRLPORT,
832 	.name			= "i3 EtherH 600A",
833 	.supported		= SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
834 	.tx_start_page		= ETHERH_TX_START_PAGE,
835 	.stop_page		= ETHERH_STOP_PAGE,
836 };
837 
838 static const struct ecard_id etherh_ids[] = {
839 	{ MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
840 	{ MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
841 	{ MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
842 	{ MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
843 	{ 0xffff,   0xffff }
844 };
845 
846 static struct ecard_driver etherh_driver = {
847 	.probe		= etherh_probe,
848 	.remove		= etherh_remove,
849 	.id_table	= etherh_ids,
850 	.drv = {
851 		.name	= DRV_NAME,
852 	},
853 };
854 
855 static int __init etherh_init(void)
856 {
857 	int i;
858 
859 	for (i = 0; i < 16; i++) {
860 		etherh_regoffsets[i] = i << 2;
861 		etherm_regoffsets[i] = i << 5;
862 	}
863 
864 	return ecard_register_driver(&etherh_driver);
865 }
866 
867 static void __exit etherh_exit(void)
868 {
869 	ecard_remove_driver(&etherh_driver);
870 }
871 
872 module_init(etherh_init);
873 module_exit(etherh_exit);
874