projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
net: percpu_counter_inc() should not be called in BH-disabled section
[linux-2.6-block.git] / drivers / net / arm / etherh.c
CommitLineData
1da177e4
LT		 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>
1da177e4
LT		 31#include <linux/types.h>
32#include <linux/fcntl.h>
33#include <linux/interrupt.h>
1da177e4
LT		 34#include <linux/ioport.h>
35#include <linux/in.h>
36#include <linux/slab.h>
37#include <linux/string.h>
38#include <linux/errno.h>
39#include <linux/netdevice.h>
40#include <linux/etherdevice.h>
41#include <linux/ethtool.h>
42#include <linux/skbuff.h>
43#include <linux/delay.h>
44#include <linux/device.h>
45#include <linux/init.h>
46#include <linux/bitops.h>
ff5688ae 47#include <linux/jiffies.h>
1da177e4
LT		 48
49#include <asm/system.h>
50#include <asm/ecard.h>
51#include <asm/io.h>
1da177e4 52
6c3561b0
AV		 53#define EI_SHIFT(x) (ei_local->reg_offset[x])
54
b936889c
AV		 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)
1da177e4
LT		 59
60#define NET_DEBUG 0
61#define DEBUG_INIT 2
62
63#define DRV_NAME "etherh"
64#define DRV_VERSION "1.11"
65
6c3561b0
AV		 66static char version[] __initdata =
67 "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
68
69#include "../lib8390.c"
70
1da177e4
LT		 71static unsigned int net_debug = NET_DEBUG;
72
73struct 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
83struct 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
94MODULE_AUTHOR("Russell King");
95MODULE_DESCRIPTION("EtherH/EtherM driver");
96MODULE_LICENSE("GPL");
97
1da177e4
LT		 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
128static 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
135static 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
142static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
143{
144 return readb(eh->ctrl_port);
145}
146
147
148
149
150static 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
157static 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
164static expansioncard_ops_t etherh_ops = {
165 .irqenable = etherh_irq_enable,
166 .irqdisable = etherh_irq_disable,
167};
168
169
170
171
172static void
173etherh_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:
b936889c 185 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
1da177e4
LT		 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
216static int
217etherh_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:
b936889c 226 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
1da177e4
LT		 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 */
260static 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 */
285static void
286etherh_reset(struct net_device *dev)
287{
288 struct ei_device *ei_local = netdev_priv(dev);
b936889c 289 void __iomem *addr = (void __iomem *)dev->base_addr;
1da177e4
LT		 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 */
313static void
314etherh_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
b936889c 335 addr = (void __iomem *)dev->base_addr;
1da177e4
LT		 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)
ff5688ae 364 if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
1da177e4
LT		 365 printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
366 dev->name);
367 etherh_reset (dev);
6c3561b0 368 __NS8390_init (dev, 1);
1da177e4
LT		 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 */
379static void
380etherh_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
b936889c 395 addr = (void __iomem *)dev->base_addr;
1da177e4
LT		 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 */
420static void
421etherh_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
b936889c 435 addr = (void __iomem *)dev->base_addr;
1da177e4
LT		 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 */
462static int
463etherh_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
6c3561b0 473 if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
1da177e4
LT		 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);
6c3561b0 499 __ei_open(dev);
1da177e4
LT		 500
501 return 0;
502}
503
504/*
505 * The inverse routine to etherh_open().
506 */
507static int
508etherh_close(struct net_device *dev)
509{
6c3561b0 510 __ei_close (dev);
1da177e4
LT		 511 free_irq (dev->irq, dev);
512 return 0;
513}
514
515/*
516 * Initialisation
517 */
518
519static 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 */
531static int __init 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",
3f978704 538 dev_name(&ec->dev));
1da177e4
LT		 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",
3f978704 557 dev_name(&ec->dev), cd.d.string);
1da177e4
LT		 558
559 no_addr:
560 return -ENODEV;
561}
562
563/*
564 * Create an ethernet address from the system serial number.
565 */
566static 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
584static 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));
3f978704 588 strlcpy(info->bus_info, dev_name(dev->dev.parent),
1da177e4
LT		 589 sizeof(info->bus_info));
590}
591
592static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
593{
594 cmd->supported = etherh_priv(dev)->supported;
595 cmd->speed = 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 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
599 return 0;
600}
601
602static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
603{
604 switch (cmd->autoneg) {
605 case AUTONEG_ENABLE:
606 dev->flags |= IFF_AUTOMEDIA;
607 break;
608
609 case AUTONEG_DISABLE:
610 switch (cmd->port) {
611 case PORT_TP:
612 dev->if_port = IF_PORT_10BASET;
613 break;
614
615 case PORT_BNC:
616 dev->if_port = IF_PORT_10BASE2;
617 break;
618
619 default:
620 return -EINVAL;
621 }
622 dev->flags &= ~IFF_AUTOMEDIA;
623 break;
624
625 default:
626 return -EINVAL;
627 }
628
629 etherh_setif(dev);
630
631 return 0;
632}
633
7282d491 634static const struct ethtool_ops etherh_ethtool_ops = {
1da177e4
LT		 635 .get_settings = etherh_get_settings,
636 .set_settings = etherh_set_settings,
637 .get_drvinfo = etherh_get_drvinfo,
638};
639
640static u32 etherh_regoffsets[16];
641static u32 etherm_regoffsets[16];
642
643static int __init
644etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
645{
646 const struct etherh_data *data = id->data;
647 struct ei_device *ei_local;
648 struct net_device *dev;
649 struct etherh_priv *eh;
36149f02 650 int ret;
1da177e4
LT		 651
652 etherh_banner();
653
654 ret = ecard_request_resources(ec);
655 if (ret)
656 goto out;
657
6c3561b0 658 dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
1da177e4
LT		 659 if (!dev) {
660 ret = -ENOMEM;
661 goto release;
662 }
663
1da177e4
LT		 664 SET_NETDEV_DEV(dev, &ec->dev);
665
666 dev->open = etherh_open;
667 dev->stop = etherh_close;
668 dev->set_config = etherh_set_config;
669 dev->irq = ec->irq;
670 dev->ethtool_ops = &etherh_ethtool_ops;
671
672 if (data->supported & SUPPORTED_Autoneg)
673 dev->flags |= IFF_AUTOMEDIA;
674 if (data->supported & SUPPORTED_TP) {
675 dev->flags |= IFF_PORTSEL;
676 dev->if_port = IF_PORT_10BASET;
677 } else if (data->supported & SUPPORTED_BNC) {
678 dev->flags |= IFF_PORTSEL;
679 dev->if_port = IF_PORT_10BASE2;
680 } else
681 dev->if_port = IF_PORT_UNKNOWN;
682
683 eh = etherh_priv(dev);
684 eh->supported = data->supported;
685 eh->ctrl = 0;
686 eh->id = ec->cid.product;
10bdaaa0 687 eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
1da177e4
LT		 688 if (!eh->memc) {
689 ret = -ENOMEM;
690 goto free;
691 }
692
693 eh->ctrl_port = eh->memc;
694 if (data->ctrl_ioc) {
10bdaaa0 695 eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
1da177e4
LT		 696 if (!eh->ioc_fast) {
697 ret = -ENOMEM;
698 goto free;
699 }
700 eh->ctrl_port = eh->ioc_fast;
701 }
702
c7e78876 703 dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
1da177e4
LT		 704 eh->dma_base = eh->memc + data->dataport_offset;
705 eh->ctrl_port += data->ctrlport_offset;
706
707 /*
708 * IRQ and control port handling - only for non-NIC slot cards.
709 */
710 if (ec->slot_no != 8) {
c7b87f3d 711 ecard_setirq(ec, &etherh_ops, eh);
1da177e4
LT		 712 } else {
713 /*
714 * If we're in the NIC slot, make sure the IRQ is enabled
715 */
716 etherh_set_ctrl(eh, ETHERH_CP_IE);
717 }
718
719 ei_local = netdev_priv(dev);
720 spin_lock_init(&ei_local->page_lock);
721
722 if (ec->cid.product == PROD_ANT_ETHERM) {
723 etherm_addr(dev->dev_addr);
724 ei_local->reg_offset = etherm_regoffsets;
725 } else {
726 etherh_addr(dev->dev_addr, ec);
727 ei_local->reg_offset = etherh_regoffsets;
728 }
729
730 ei_local->name = dev->name;
731 ei_local->word16 = 1;
732 ei_local->tx_start_page = data->tx_start_page;
733 ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
734 ei_local->stop_page = data->stop_page;
735 ei_local->reset_8390 = etherh_reset;
736 ei_local->block_input = etherh_block_input;
737 ei_local->block_output = etherh_block_output;
738 ei_local->get_8390_hdr = etherh_get_header;
739 ei_local->interface_num = 0;
740
741 etherh_reset(dev);
6c3561b0 742 __NS8390_init(dev, 0);
1da177e4
LT		 743
744 ret = register_netdev(dev);
745 if (ret)
746 goto free;
747
e174961c
JB		 748 printk(KERN_INFO "%s: %s in slot %d, %pM\n",
749 dev->name, data->name, ec->slot_no, dev->dev_addr);
1da177e4
LT		 750
751 ecard_set_drvdata(ec, dev);
752
753 return 0;
754
755 free:
1da177e4
LT		 756 free_netdev(dev);
757 release:
758 ecard_release_resources(ec);
759 out:
760 return ret;
761}
762
763static void __devexit etherh_remove(struct expansion_card *ec)
764{
765 struct net_device *dev = ecard_get_drvdata(ec);
1da177e4
LT		 766
767 ecard_set_drvdata(ec, NULL);
768
769 unregister_netdev(dev);
1da177e4 770
1da177e4
LT		 771 free_netdev(dev);
772
773 ecard_release_resources(ec);
774}
775
776static struct etherh_data etherm_data = {
777 .ns8390_offset = ETHERM_NS8390,
778 .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT,
779 .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT,
780 .name = "ANT EtherM",
781 .supported = SUPPORTED_10baseT_Half,
782 .tx_start_page = ETHERM_TX_START_PAGE,
783 .stop_page = ETHERM_STOP_PAGE,
784};
785
786static struct etherh_data etherlan500_data = {
787 .ns8390_offset = ETHERH500_NS8390,
788 .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT,
789 .ctrlport_offset = ETHERH500_CTRLPORT,
790 .ctrl_ioc = 1,
791 .name = "i3 EtherH 500",
792 .supported = SUPPORTED_10baseT_Half,
793 .tx_start_page = ETHERH_TX_START_PAGE,
794 .stop_page = ETHERH_STOP_PAGE,
795};
796
797static struct etherh_data etherlan600_data = {
798 .ns8390_offset = ETHERH600_NS8390,
799 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
800 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
801 .name = "i3 EtherH 600",
802 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
803 .tx_start_page = ETHERH_TX_START_PAGE,
804 .stop_page = ETHERH_STOP_PAGE,
805};
806
807static struct etherh_data etherlan600a_data = {
808 .ns8390_offset = ETHERH600_NS8390,
809 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
810 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
811 .name = "i3 EtherH 600A",
812 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
813 .tx_start_page = ETHERH_TX_START_PAGE,
814 .stop_page = ETHERH_STOP_PAGE,
815};
816
817static const struct ecard_id etherh_ids[] = {
818 { MANU_ANT, PROD_ANT_ETHERM, &etherm_data },
819 { MANU_I3, PROD_I3_ETHERLAN500, &etherlan500_data },
820 { MANU_I3, PROD_I3_ETHERLAN600, &etherlan600_data },
821 { MANU_I3, PROD_I3_ETHERLAN600A, &etherlan600a_data },
822 { 0xffff, 0xffff }
823};
824
825static struct ecard_driver etherh_driver = {
826 .probe = etherh_probe,
827 .remove = __devexit_p(etherh_remove),
828 .id_table = etherh_ids,
829 .drv = {
830 .name = DRV_NAME,
831 },
832};
833
834static int __init etherh_init(void)
835{
836 int i;
837
838 for (i = 0; i < 16; i++) {
839 etherh_regoffsets[i] = i << 2;
840 etherm_regoffsets[i] = i << 5;
841 }
842
843 return ecard_register_driver(&etherh_driver);
844}
845
846static void __exit etherh_exit(void)
847{
848 ecard_remove_driver(&etherh_driver);
849}
850
851module_init(etherh_init);
852module_exit(etherh_exit);
Linux 6.x block layer and io_uring tree(s)