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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[deliverable/linux.git] / drivers / net / ethernet / 8390 / etherh.c
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 .ndo_change_mtu = eth_change_mtu,
658 #ifdef CONFIG_NET_POLL_CONTROLLER
659 .ndo_poll_controller = __ei_poll,
660 #endif
661 };
662
663 static u32 etherh_regoffsets[16];
664 static u32 etherm_regoffsets[16];
665
666 static int
667 etherh_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
785 static 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
798 static 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
808 static 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
819 static 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
829 static 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
839 static 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
847 static 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
856 static 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
868 static void __exit etherh_exit(void)
869 {
870 ecard_remove_driver(&etherh_driver);
871 }
872
873 module_init(etherh_init);
874 module_exit(etherh_exit);
Linux kernel - Deliverables
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