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1/*
2 * linux/drivers/acorn/net/etherh.c
3 *
4 * Copyright (C) 2000-2002 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * NS8390 I-cubed EtherH and ANT EtherM specific driver
11 * Thanks to I-Cubed for information on their cards.
12 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
13 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
14 * EtherM integration re-engineered by Russell King.
15 *
16 * Changelog:
17 * 08-12-1996 RMK 1.00 Created
18 * RMK 1.03 Added support for EtherLan500 cards
19 * 23-11-1997 RMK 1.04 Added media autodetection
20 * 16-04-1998 RMK 1.05 Improved media autodetection
21 * 10-02-2000 RMK 1.06 Updated for 2.3.43
22 * 13-05-2000 RMK 1.07 Updated for 2.3.99-pre8
23 * 12-10-1999 CK/TEW EtherM driver first release
24 * 21-12-2000 TTC EtherH/EtherM integration
25 * 25-12-2000 RMK 1.08 Clean integration of EtherM into this driver.
26 * 03-01-2002 RMK 1.09 Always enable IRQs if we're in the nic slot.
27 */
28
29#include <linux/module.h>
30#include <linux/kernel.h>
31#include <linux/types.h>
32#include <linux/fcntl.h>
33#include <linux/interrupt.h>
34#include <linux/ioport.h>
35#include <linux/in.h>
36#include <linux/string.h>
37#include <linux/errno.h>
38#include <linux/netdevice.h>
39#include <linux/etherdevice.h>
40#include <linux/ethtool.h>
41#include <linux/skbuff.h>
42#include <linux/delay.h>
43#include <linux/device.h>
44#include <linux/init.h>
45#include <linux/bitops.h>
46#include <linux/jiffies.h>
47
48#include <asm/ecard.h>
49#include <asm/io.h>
50#include <asm/system_info.h>
51
52#define EI_SHIFT(x) (ei_local->reg_offset[x])
53
54#define ei_inb(_p) readb((void __iomem *)_p)
55#define ei_outb(_v,_p) writeb(_v,(void __iomem *)_p)
56#define ei_inb_p(_p) readb((void __iomem *)_p)
57#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
58
59#define DRV_NAME "etherh"
60#define DRV_VERSION "1.11"
61
62static char version[] =
63 "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
64
65#include "lib8390.c"
66
67struct etherh_priv {
68 void __iomem *ioc_fast;
69 void __iomem *memc;
70 void __iomem *dma_base;
71 unsigned int id;
72 void __iomem *ctrl_port;
73 unsigned char ctrl;
74 u32 supported;
75};
76
77struct etherh_data {
78 unsigned long ns8390_offset;
79 unsigned long dataport_offset;
80 unsigned long ctrlport_offset;
81 int ctrl_ioc;
82 const char name[16];
83 u32 supported;
84 unsigned char tx_start_page;
85 unsigned char stop_page;
86};
87
88MODULE_AUTHOR("Russell King");
89MODULE_DESCRIPTION("EtherH/EtherM driver");
90MODULE_LICENSE("GPL");
91
92#define ETHERH500_DATAPORT 0x800 /* MEMC */
93#define ETHERH500_NS8390 0x000 /* MEMC */
94#define ETHERH500_CTRLPORT 0x800 /* IOC */
95
96#define ETHERH600_DATAPORT 0x040 /* MEMC */
97#define ETHERH600_NS8390 0x800 /* MEMC */
98#define ETHERH600_CTRLPORT 0x200 /* MEMC */
99
100#define ETHERH_CP_IE 1
101#define ETHERH_CP_IF 2
102#define ETHERH_CP_HEARTBEAT 2
103
104#define ETHERH_TX_START_PAGE 1
105#define ETHERH_STOP_PAGE 127
106
107/*
108 * These came from CK/TEW
109 */
110#define ETHERM_DATAPORT 0x200 /* MEMC */
111#define ETHERM_NS8390 0x800 /* MEMC */
112#define ETHERM_CTRLPORT 0x23c /* MEMC */
113
114#define ETHERM_TX_START_PAGE 64
115#define ETHERM_STOP_PAGE 127
116
117/* ------------------------------------------------------------------------ */
118
119#define etherh_priv(dev) \
120 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
121
122static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
123{
124 unsigned char ctrl = eh->ctrl | mask;
125 eh->ctrl = ctrl;
126 writeb(ctrl, eh->ctrl_port);
127}
128
129static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
130{
131 unsigned char ctrl = eh->ctrl & ~mask;
132 eh->ctrl = ctrl;
133 writeb(ctrl, eh->ctrl_port);
134}
135
136static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
137{
138 return readb(eh->ctrl_port);
139}
140
141
142
143
144static void etherh_irq_enable(ecard_t *ec, int irqnr)
145{
146 struct etherh_priv *eh = ec->irq_data;
147
148 etherh_set_ctrl(eh, ETHERH_CP_IE);
149}
150
151static void etherh_irq_disable(ecard_t *ec, int irqnr)
152{
153 struct etherh_priv *eh = ec->irq_data;
154
155 etherh_clr_ctrl(eh, ETHERH_CP_IE);
156}
157
158static expansioncard_ops_t etherh_ops = {
159 .irqenable = etherh_irq_enable,
160 .irqdisable = etherh_irq_disable,
161};
162
163
164
165
166static void
167etherh_setif(struct net_device *dev)
168{
169 struct ei_device *ei_local = netdev_priv(dev);
170 unsigned long flags;
171 void __iomem *addr;
172
173 local_irq_save(flags);
174
175 /* set the interface type */
176 switch (etherh_priv(dev)->id) {
177 case PROD_I3_ETHERLAN600:
178 case PROD_I3_ETHERLAN600A:
179 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
180
181 switch (dev->if_port) {
182 case IF_PORT_10BASE2:
183 writeb((readb(addr) & 0xf8) | 1, addr);
184 break;
185 case IF_PORT_10BASET:
186 writeb((readb(addr) & 0xf8), addr);
187 break;
188 }
189 break;
190
191 case PROD_I3_ETHERLAN500:
192 switch (dev->if_port) {
193 case IF_PORT_10BASE2:
194 etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
195 break;
196
197 case IF_PORT_10BASET:
198 etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
199 break;
200 }
201 break;
202
203 default:
204 break;
205 }
206
207 local_irq_restore(flags);
208}
209
210static int
211etherh_getifstat(struct net_device *dev)
212{
213 struct ei_device *ei_local = netdev_priv(dev);
214 void __iomem *addr;
215 int stat = 0;
216
217 switch (etherh_priv(dev)->id) {
218 case PROD_I3_ETHERLAN600:
219 case PROD_I3_ETHERLAN600A:
220 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
221 switch (dev->if_port) {
222 case IF_PORT_10BASE2:
223 stat = 1;
224 break;
225 case IF_PORT_10BASET:
226 stat = readb(addr) & 4;
227 break;
228 }
229 break;
230
231 case PROD_I3_ETHERLAN500:
232 switch (dev->if_port) {
233 case IF_PORT_10BASE2:
234 stat = 1;
235 break;
236 case IF_PORT_10BASET:
237 stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
238 break;
239 }
240 break;
241
242 default:
243 stat = 0;
244 break;
245 }
246
247 return stat != 0;
248}
249
250/*
251 * Configure the interface. Note that we ignore the other
252 * parts of ifmap, since its mostly meaningless for this driver.
253 */
254static int etherh_set_config(struct net_device *dev, struct ifmap *map)
255{
256 switch (map->port) {
257 case IF_PORT_10BASE2:
258 case IF_PORT_10BASET:
259 /*
260 * If the user explicitly sets the interface
261 * media type, turn off automedia detection.
262 */
263 dev->flags &= ~IFF_AUTOMEDIA;
264 dev->if_port = map->port;
265 break;
266
267 default:
268 return -EINVAL;
269 }
270
271 etherh_setif(dev);
272
273 return 0;
274}
275
276/*
277 * Reset the 8390 (hard reset). Note that we can't actually do this.
278 */
279static void
280etherh_reset(struct net_device *dev)
281{
282 struct ei_device *ei_local = netdev_priv(dev);
283 void __iomem *addr = (void __iomem *)dev->base_addr;
284
285 writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
286
287 /*
288 * See if we need to change the interface type.
289 * Note that we use 'interface_num' as a flag
290 * to indicate that we need to change the media.
291 */
292 if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
293 ei_local->interface_num = 0;
294
295 if (dev->if_port == IF_PORT_10BASET)
296 dev->if_port = IF_PORT_10BASE2;
297 else
298 dev->if_port = IF_PORT_10BASET;
299
300 etherh_setif(dev);
301 }
302}
303
304/*
305 * Write a block of data out to the 8390
306 */
307static void
308etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
309{
310 struct ei_device *ei_local = netdev_priv(dev);
311 unsigned long dma_start;
312 void __iomem *dma_base, *addr;
313
314 if (ei_local->dmaing) {
315 netdev_err(dev, "DMAing conflict in etherh_block_input: "
316 " DMAstat %d irqlock %d\n",
317 ei_local->dmaing, ei_local->irqlock);
318 return;
319 }
320
321 /*
322 * Make sure we have a round number of bytes if we're in word mode.
323 */
324 if (count & 1 && ei_local->word16)
325 count++;
326
327 ei_local->dmaing = 1;
328
329 addr = (void __iomem *)dev->base_addr;
330 dma_base = etherh_priv(dev)->dma_base;
331
332 count = (count + 1) & ~1;
333 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
334
335 writeb (0x42, addr + EN0_RCNTLO);
336 writeb (0x00, addr + EN0_RCNTHI);
337 writeb (0x42, addr + EN0_RSARLO);
338 writeb (0x00, addr + EN0_RSARHI);
339 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
340
341 udelay (1);
342
343 writeb (ENISR_RDC, addr + EN0_ISR);
344 writeb (count, addr + EN0_RCNTLO);
345 writeb (count >> 8, addr + EN0_RCNTHI);
346 writeb (0, addr + EN0_RSARLO);
347 writeb (start_page, addr + EN0_RSARHI);
348 writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
349
350 if (ei_local->word16)
351 writesw (dma_base, buf, count >> 1);
352 else
353 writesb (dma_base, buf, count);
354
355 dma_start = jiffies;
356
357 while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
358 if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
359 netdev_warn(dev, "timeout waiting for TX RDC\n");
360 etherh_reset (dev);
361 __NS8390_init (dev, 1);
362 break;
363 }
364
365 writeb (ENISR_RDC, addr + EN0_ISR);
366 ei_local->dmaing = 0;
367}
368
369/*
370 * Read a block of data from the 8390
371 */
372static void
373etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
374{
375 struct ei_device *ei_local = netdev_priv(dev);
376 unsigned char *buf;
377 void __iomem *dma_base, *addr;
378
379 if (ei_local->dmaing) {
380 netdev_err(dev, "DMAing conflict in etherh_block_input: "
381 " DMAstat %d irqlock %d\n",
382 ei_local->dmaing, ei_local->irqlock);
383 return;
384 }
385
386 ei_local->dmaing = 1;
387
388 addr = (void __iomem *)dev->base_addr;
389 dma_base = etherh_priv(dev)->dma_base;
390
391 buf = skb->data;
392 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
393 writeb (count, addr + EN0_RCNTLO);
394 writeb (count >> 8, addr + EN0_RCNTHI);
395 writeb (ring_offset, addr + EN0_RSARLO);
396 writeb (ring_offset >> 8, addr + EN0_RSARHI);
397 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
398
399 if (ei_local->word16) {
400 readsw (dma_base, buf, count >> 1);
401 if (count & 1)
402 buf[count - 1] = readb (dma_base);
403 } else
404 readsb (dma_base, buf, count);
405
406 writeb (ENISR_RDC, addr + EN0_ISR);
407 ei_local->dmaing = 0;
408}
409
410/*
411 * Read a header from the 8390
412 */
413static void
414etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
415{
416 struct ei_device *ei_local = netdev_priv(dev);
417 void __iomem *dma_base, *addr;
418
419 if (ei_local->dmaing) {
420 netdev_err(dev, "DMAing conflict in etherh_get_header: "
421 " DMAstat %d irqlock %d\n",
422 ei_local->dmaing, ei_local->irqlock);
423 return;
424 }
425
426 ei_local->dmaing = 1;
427
428 addr = (void __iomem *)dev->base_addr;
429 dma_base = etherh_priv(dev)->dma_base;
430
431 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
432 writeb (sizeof (*hdr), addr + EN0_RCNTLO);
433 writeb (0, addr + EN0_RCNTHI);
434 writeb (0, addr + EN0_RSARLO);
435 writeb (ring_page, addr + EN0_RSARHI);
436 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
437
438 if (ei_local->word16)
439 readsw (dma_base, hdr, sizeof (*hdr) >> 1);
440 else
441 readsb (dma_base, hdr, sizeof (*hdr));
442
443 writeb (ENISR_RDC, addr + EN0_ISR);
444 ei_local->dmaing = 0;
445}
446
447/*
448 * Open/initialize the board. This is called (in the current kernel)
449 * sometime after booting when the 'ifconfig' program is run.
450 *
451 * This routine should set everything up anew at each open, even
452 * registers that "should" only need to be set once at boot, so that
453 * there is non-reboot way to recover if something goes wrong.
454 */
455static int
456etherh_open(struct net_device *dev)
457{
458 struct ei_device *ei_local = netdev_priv(dev);
459
460 if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
461 return -EAGAIN;
462
463 /*
464 * Make sure that we aren't going to change the
465 * media type on the next reset - we are about to
466 * do automedia manually now.
467 */
468 ei_local->interface_num = 0;
469
470 /*
471 * If we are doing automedia detection, do it now.
472 * This is more reliable than the 8390's detection.
473 */
474 if (dev->flags & IFF_AUTOMEDIA) {
475 dev->if_port = IF_PORT_10BASET;
476 etherh_setif(dev);
477 mdelay(1);
478 if (!etherh_getifstat(dev)) {
479 dev->if_port = IF_PORT_10BASE2;
480 etherh_setif(dev);
481 }
482 } else
483 etherh_setif(dev);
484
485 etherh_reset(dev);
486 __ei_open(dev);
487
488 return 0;
489}
490
491/*
492 * The inverse routine to etherh_open().
493 */
494static int
495etherh_close(struct net_device *dev)
496{
497 __ei_close (dev);
498 free_irq (dev->irq, dev);
499 return 0;
500}
501
502/*
503 * Read the ethernet address string from the on board rom.
504 * This is an ascii string...
505 */
506static int etherh_addr(char *addr, struct expansion_card *ec)
507{
508 struct in_chunk_dir cd;
509 char *s;
510
511 if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
512 printk(KERN_ERR "%s: unable to read module description string\n",
513 dev_name(&ec->dev));
514 goto no_addr;
515 }
516
517 s = strchr(cd.d.string, '(');
518 if (s) {
519 int i;
520
521 for (i = 0; i < 6; i++) {
522 addr[i] = simple_strtoul(s + 1, &s, 0x10);
523 if (*s != (i == 5? ')' : ':'))
524 break;
525 }
526
527 if (i == 6)
528 return 0;
529 }
530
531 printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
532 dev_name(&ec->dev), cd.d.string);
533
534 no_addr:
535 return -ENODEV;
536}
537
538/*
539 * Create an ethernet address from the system serial number.
540 */
541static int __init etherm_addr(char *addr)
542{
543 unsigned int serial;
544
545 if (system_serial_low == 0 && system_serial_high == 0)
546 return -ENODEV;
547
548 serial = system_serial_low | system_serial_high;
549
550 addr[0] = 0;
551 addr[1] = 0;
552 addr[2] = 0xa4;
553 addr[3] = 0x10 + (serial >> 24);
554 addr[4] = serial >> 16;
555 addr[5] = serial >> 8;
556 return 0;
557}
558
559static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
560{
561 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
562 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
563 strlcpy(info->bus_info, dev_name(dev->dev.parent),
564 sizeof(info->bus_info));
565}
566
567static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
568{
569 cmd->supported = etherh_priv(dev)->supported;
570 ethtool_cmd_speed_set(cmd, SPEED_10);
571 cmd->duplex = DUPLEX_HALF;
572 cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
573 cmd->autoneg = (dev->flags & IFF_AUTOMEDIA ?
574 AUTONEG_ENABLE : AUTONEG_DISABLE);
575 return 0;
576}
577
578static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
579{
580 switch (cmd->autoneg) {
581 case AUTONEG_ENABLE:
582 dev->flags |= IFF_AUTOMEDIA;
583 break;
584
585 case AUTONEG_DISABLE:
586 switch (cmd->port) {
587 case PORT_TP:
588 dev->if_port = IF_PORT_10BASET;
589 break;
590
591 case PORT_BNC:
592 dev->if_port = IF_PORT_10BASE2;
593 break;
594
595 default:
596 return -EINVAL;
597 }
598 dev->flags &= ~IFF_AUTOMEDIA;
599 break;
600
601 default:
602 return -EINVAL;
603 }
604
605 etherh_setif(dev);
606
607 return 0;
608}
609
610static u32 etherh_get_msglevel(struct net_device *dev)
611{
612 struct ei_device *ei_local = netdev_priv(dev);
613
614 return ei_local->msg_enable;
615}
616
617static void etherh_set_msglevel(struct net_device *dev, u32 v)
618{
619 struct ei_device *ei_local = netdev_priv(dev);
620
621 ei_local->msg_enable = v;
622}
623
624static const struct ethtool_ops etherh_ethtool_ops = {
625 .get_settings = etherh_get_settings,
626 .set_settings = etherh_set_settings,
627 .get_drvinfo = etherh_get_drvinfo,
628 .get_ts_info = ethtool_op_get_ts_info,
629 .get_msglevel = etherh_get_msglevel,
630 .set_msglevel = etherh_set_msglevel,
631};
632
633static const struct net_device_ops etherh_netdev_ops = {
634 .ndo_open = etherh_open,
635 .ndo_stop = etherh_close,
636 .ndo_set_config = etherh_set_config,
637 .ndo_start_xmit = __ei_start_xmit,
638 .ndo_tx_timeout = __ei_tx_timeout,
639 .ndo_get_stats = __ei_get_stats,
640 .ndo_set_rx_mode = __ei_set_multicast_list,
641 .ndo_validate_addr = eth_validate_addr,
642 .ndo_set_mac_address = eth_mac_addr,
643#ifdef CONFIG_NET_POLL_CONTROLLER
644 .ndo_poll_controller = __ei_poll,
645#endif
646};
647
648static u32 etherh_regoffsets[16];
649static u32 etherm_regoffsets[16];
650
651static int
652etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
653{
654 const struct etherh_data *data = id->data;
655 struct ei_device *ei_local;
656 struct net_device *dev;
657 struct etherh_priv *eh;
658 int ret;
659
660 ret = ecard_request_resources(ec);
661 if (ret)
662 goto out;
663
664 dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
665 if (!dev) {
666 ret = -ENOMEM;
667 goto release;
668 }
669
670 SET_NETDEV_DEV(dev, &ec->dev);
671
672 dev->netdev_ops = ðerh_netdev_ops;
673 dev->irq = ec->irq;
674 dev->ethtool_ops = ðerh_ethtool_ops;
675
676 if (data->supported & SUPPORTED_Autoneg)
677 dev->flags |= IFF_AUTOMEDIA;
678 if (data->supported & SUPPORTED_TP) {
679 dev->flags |= IFF_PORTSEL;
680 dev->if_port = IF_PORT_10BASET;
681 } else if (data->supported & SUPPORTED_BNC) {
682 dev->flags |= IFF_PORTSEL;
683 dev->if_port = IF_PORT_10BASE2;
684 } else
685 dev->if_port = IF_PORT_UNKNOWN;
686
687 eh = etherh_priv(dev);
688 eh->supported = data->supported;
689 eh->ctrl = 0;
690 eh->id = ec->cid.product;
691 eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
692 if (!eh->memc) {
693 ret = -ENOMEM;
694 goto free;
695 }
696
697 eh->ctrl_port = eh->memc;
698 if (data->ctrl_ioc) {
699 eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
700 if (!eh->ioc_fast) {
701 ret = -ENOMEM;
702 goto free;
703 }
704 eh->ctrl_port = eh->ioc_fast;
705 }
706
707 dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
708 eh->dma_base = eh->memc + data->dataport_offset;
709 eh->ctrl_port += data->ctrlport_offset;
710
711 /*
712 * IRQ and control port handling - only for non-NIC slot cards.
713 */
714 if (ec->slot_no != 8) {
715 ecard_setirq(ec, ðerh_ops, eh);
716 } else {
717 /*
718 * If we're in the NIC slot, make sure the IRQ is enabled
719 */
720 etherh_set_ctrl(eh, ETHERH_CP_IE);
721 }
722
723 ei_local = netdev_priv(dev);
724 spin_lock_init(&ei_local->page_lock);
725
726 if (ec->cid.product == PROD_ANT_ETHERM) {
727 etherm_addr(dev->dev_addr);
728 ei_local->reg_offset = etherm_regoffsets;
729 } else {
730 etherh_addr(dev->dev_addr, ec);
731 ei_local->reg_offset = etherh_regoffsets;
732 }
733
734 ei_local->name = dev->name;
735 ei_local->word16 = 1;
736 ei_local->tx_start_page = data->tx_start_page;
737 ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
738 ei_local->stop_page = data->stop_page;
739 ei_local->reset_8390 = etherh_reset;
740 ei_local->block_input = etherh_block_input;
741 ei_local->block_output = etherh_block_output;
742 ei_local->get_8390_hdr = etherh_get_header;
743 ei_local->interface_num = 0;
744
745 etherh_reset(dev);
746 __NS8390_init(dev, 0);
747
748 ret = register_netdev(dev);
749 if (ret)
750 goto free;
751
752 netdev_info(dev, "%s in slot %d, %pM\n",
753 data->name, ec->slot_no, dev->dev_addr);
754
755 ecard_set_drvdata(ec, dev);
756
757 return 0;
758
759 free:
760 free_netdev(dev);
761 release:
762 ecard_release_resources(ec);
763 out:
764 return ret;
765}
766
767static void etherh_remove(struct expansion_card *ec)
768{
769 struct net_device *dev = ecard_get_drvdata(ec);
770
771 ecard_set_drvdata(ec, NULL);
772
773 unregister_netdev(dev);
774
775 free_netdev(dev);
776
777 ecard_release_resources(ec);
778}
779
780static struct etherh_data etherm_data = {
781 .ns8390_offset = ETHERM_NS8390,
782 .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT,
783 .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT,
784 .name = "ANT EtherM",
785 .supported = SUPPORTED_10baseT_Half,
786 .tx_start_page = ETHERM_TX_START_PAGE,
787 .stop_page = ETHERM_STOP_PAGE,
788};
789
790static struct etherh_data etherlan500_data = {
791 .ns8390_offset = ETHERH500_NS8390,
792 .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT,
793 .ctrlport_offset = ETHERH500_CTRLPORT,
794 .ctrl_ioc = 1,
795 .name = "i3 EtherH 500",
796 .supported = SUPPORTED_10baseT_Half,
797 .tx_start_page = ETHERH_TX_START_PAGE,
798 .stop_page = ETHERH_STOP_PAGE,
799};
800
801static struct etherh_data etherlan600_data = {
802 .ns8390_offset = ETHERH600_NS8390,
803 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
804 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
805 .name = "i3 EtherH 600",
806 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
807 .tx_start_page = ETHERH_TX_START_PAGE,
808 .stop_page = ETHERH_STOP_PAGE,
809};
810
811static struct etherh_data etherlan600a_data = {
812 .ns8390_offset = ETHERH600_NS8390,
813 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
814 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
815 .name = "i3 EtherH 600A",
816 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
817 .tx_start_page = ETHERH_TX_START_PAGE,
818 .stop_page = ETHERH_STOP_PAGE,
819};
820
821static const struct ecard_id etherh_ids[] = {
822 { MANU_ANT, PROD_ANT_ETHERM, ðerm_data },
823 { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data },
824 { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data },
825 { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data },
826 { 0xffff, 0xffff }
827};
828
829static struct ecard_driver etherh_driver = {
830 .probe = etherh_probe,
831 .remove = etherh_remove,
832 .id_table = etherh_ids,
833 .drv = {
834 .name = DRV_NAME,
835 },
836};
837
838static int __init etherh_init(void)
839{
840 int i;
841
842 for (i = 0; i < 16; i++) {
843 etherh_regoffsets[i] = i << 2;
844 etherm_regoffsets[i] = i << 5;
845 }
846
847 return ecard_register_driver(ðerh_driver);
848}
849
850static void __exit etherh_exit(void)
851{
852 ecard_remove_driver(ðerh_driver);
853}
854
855module_init(etherh_init);
856module_exit(etherh_exit);
1/*
2 * linux/drivers/acorn/net/etherh.c
3 *
4 * Copyright (C) 2000-2002 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * NS8390 I-cubed EtherH and ANT EtherM specific driver
11 * Thanks to I-Cubed for information on their cards.
12 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
13 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
14 * EtherM integration re-engineered by Russell King.
15 *
16 * Changelog:
17 * 08-12-1996 RMK 1.00 Created
18 * RMK 1.03 Added support for EtherLan500 cards
19 * 23-11-1997 RMK 1.04 Added media autodetection
20 * 16-04-1998 RMK 1.05 Improved media autodetection
21 * 10-02-2000 RMK 1.06 Updated for 2.3.43
22 * 13-05-2000 RMK 1.07 Updated for 2.3.99-pre8
23 * 12-10-1999 CK/TEW EtherM driver first release
24 * 21-12-2000 TTC EtherH/EtherM integration
25 * 25-12-2000 RMK 1.08 Clean integration of EtherM into this driver.
26 * 03-01-2002 RMK 1.09 Always enable IRQs if we're in the nic slot.
27 */
28
29#include <linux/module.h>
30#include <linux/kernel.h>
31#include <linux/types.h>
32#include <linux/fcntl.h>
33#include <linux/interrupt.h>
34#include <linux/ioport.h>
35#include <linux/in.h>
36#include <linux/string.h>
37#include <linux/errno.h>
38#include <linux/netdevice.h>
39#include <linux/etherdevice.h>
40#include <linux/ethtool.h>
41#include <linux/skbuff.h>
42#include <linux/delay.h>
43#include <linux/device.h>
44#include <linux/init.h>
45#include <linux/bitops.h>
46#include <linux/jiffies.h>
47
48#include <asm/ecard.h>
49#include <asm/io.h>
50#include <asm/system_info.h>
51
52#define EI_SHIFT(x) (ei_local->reg_offset[x])
53
54#define ei_inb(_p) readb((void __iomem *)_p)
55#define ei_outb(_v,_p) writeb(_v,(void __iomem *)_p)
56#define ei_inb_p(_p) readb((void __iomem *)_p)
57#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
58
59#define DRV_NAME "etherh"
60#define DRV_VERSION "1.11"
61
62static char version[] =
63 "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
64
65#include "lib8390.c"
66
67static u32 etherh_msg_enable;
68
69struct etherh_priv {
70 void __iomem *ioc_fast;
71 void __iomem *memc;
72 void __iomem *dma_base;
73 unsigned int id;
74 void __iomem *ctrl_port;
75 unsigned char ctrl;
76 u32 supported;
77};
78
79struct etherh_data {
80 unsigned long ns8390_offset;
81 unsigned long dataport_offset;
82 unsigned long ctrlport_offset;
83 int ctrl_ioc;
84 const char name[16];
85 u32 supported;
86 unsigned char tx_start_page;
87 unsigned char stop_page;
88};
89
90MODULE_AUTHOR("Russell King");
91MODULE_DESCRIPTION("EtherH/EtherM driver");
92MODULE_LICENSE("GPL");
93
94#define ETHERH500_DATAPORT 0x800 /* MEMC */
95#define ETHERH500_NS8390 0x000 /* MEMC */
96#define ETHERH500_CTRLPORT 0x800 /* IOC */
97
98#define ETHERH600_DATAPORT 0x040 /* MEMC */
99#define ETHERH600_NS8390 0x800 /* MEMC */
100#define ETHERH600_CTRLPORT 0x200 /* MEMC */
101
102#define ETHERH_CP_IE 1
103#define ETHERH_CP_IF 2
104#define ETHERH_CP_HEARTBEAT 2
105
106#define ETHERH_TX_START_PAGE 1
107#define ETHERH_STOP_PAGE 127
108
109/*
110 * These came from CK/TEW
111 */
112#define ETHERM_DATAPORT 0x200 /* MEMC */
113#define ETHERM_NS8390 0x800 /* MEMC */
114#define ETHERM_CTRLPORT 0x23c /* MEMC */
115
116#define ETHERM_TX_START_PAGE 64
117#define ETHERM_STOP_PAGE 127
118
119/* ------------------------------------------------------------------------ */
120
121#define etherh_priv(dev) \
122 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
123
124static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
125{
126 unsigned char ctrl = eh->ctrl | mask;
127 eh->ctrl = ctrl;
128 writeb(ctrl, eh->ctrl_port);
129}
130
131static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
132{
133 unsigned char ctrl = eh->ctrl & ~mask;
134 eh->ctrl = ctrl;
135 writeb(ctrl, eh->ctrl_port);
136}
137
138static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
139{
140 return readb(eh->ctrl_port);
141}
142
143
144
145
146static void etherh_irq_enable(ecard_t *ec, int irqnr)
147{
148 struct etherh_priv *eh = ec->irq_data;
149
150 etherh_set_ctrl(eh, ETHERH_CP_IE);
151}
152
153static void etherh_irq_disable(ecard_t *ec, int irqnr)
154{
155 struct etherh_priv *eh = ec->irq_data;
156
157 etherh_clr_ctrl(eh, ETHERH_CP_IE);
158}
159
160static expansioncard_ops_t etherh_ops = {
161 .irqenable = etherh_irq_enable,
162 .irqdisable = etherh_irq_disable,
163};
164
165
166
167
168static void
169etherh_setif(struct net_device *dev)
170{
171 struct ei_device *ei_local = netdev_priv(dev);
172 unsigned long flags;
173 void __iomem *addr;
174
175 local_irq_save(flags);
176
177 /* set the interface type */
178 switch (etherh_priv(dev)->id) {
179 case PROD_I3_ETHERLAN600:
180 case PROD_I3_ETHERLAN600A:
181 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
182
183 switch (dev->if_port) {
184 case IF_PORT_10BASE2:
185 writeb((readb(addr) & 0xf8) | 1, addr);
186 break;
187 case IF_PORT_10BASET:
188 writeb((readb(addr) & 0xf8), addr);
189 break;
190 }
191 break;
192
193 case PROD_I3_ETHERLAN500:
194 switch (dev->if_port) {
195 case IF_PORT_10BASE2:
196 etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
197 break;
198
199 case IF_PORT_10BASET:
200 etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
201 break;
202 }
203 break;
204
205 default:
206 break;
207 }
208
209 local_irq_restore(flags);
210}
211
212static int
213etherh_getifstat(struct net_device *dev)
214{
215 struct ei_device *ei_local = netdev_priv(dev);
216 void __iomem *addr;
217 int stat = 0;
218
219 switch (etherh_priv(dev)->id) {
220 case PROD_I3_ETHERLAN600:
221 case PROD_I3_ETHERLAN600A:
222 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
223 switch (dev->if_port) {
224 case IF_PORT_10BASE2:
225 stat = 1;
226 break;
227 case IF_PORT_10BASET:
228 stat = readb(addr) & 4;
229 break;
230 }
231 break;
232
233 case PROD_I3_ETHERLAN500:
234 switch (dev->if_port) {
235 case IF_PORT_10BASE2:
236 stat = 1;
237 break;
238 case IF_PORT_10BASET:
239 stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
240 break;
241 }
242 break;
243
244 default:
245 stat = 0;
246 break;
247 }
248
249 return stat != 0;
250}
251
252/*
253 * Configure the interface. Note that we ignore the other
254 * parts of ifmap, since its mostly meaningless for this driver.
255 */
256static int etherh_set_config(struct net_device *dev, struct ifmap *map)
257{
258 switch (map->port) {
259 case IF_PORT_10BASE2:
260 case IF_PORT_10BASET:
261 /*
262 * If the user explicitly sets the interface
263 * media type, turn off automedia detection.
264 */
265 dev->flags &= ~IFF_AUTOMEDIA;
266 dev->if_port = map->port;
267 break;
268
269 default:
270 return -EINVAL;
271 }
272
273 etherh_setif(dev);
274
275 return 0;
276}
277
278/*
279 * Reset the 8390 (hard reset). Note that we can't actually do this.
280 */
281static void
282etherh_reset(struct net_device *dev)
283{
284 struct ei_device *ei_local = netdev_priv(dev);
285 void __iomem *addr = (void __iomem *)dev->base_addr;
286
287 writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
288
289 /*
290 * See if we need to change the interface type.
291 * Note that we use 'interface_num' as a flag
292 * to indicate that we need to change the media.
293 */
294 if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
295 ei_local->interface_num = 0;
296
297 if (dev->if_port == IF_PORT_10BASET)
298 dev->if_port = IF_PORT_10BASE2;
299 else
300 dev->if_port = IF_PORT_10BASET;
301
302 etherh_setif(dev);
303 }
304}
305
306/*
307 * Write a block of data out to the 8390
308 */
309static void
310etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
311{
312 struct ei_device *ei_local = netdev_priv(dev);
313 unsigned long dma_start;
314 void __iomem *dma_base, *addr;
315
316 if (ei_local->dmaing) {
317 netdev_err(dev, "DMAing conflict in etherh_block_input: "
318 " DMAstat %d irqlock %d\n",
319 ei_local->dmaing, ei_local->irqlock);
320 return;
321 }
322
323 /*
324 * Make sure we have a round number of bytes if we're in word mode.
325 */
326 if (count & 1 && ei_local->word16)
327 count++;
328
329 ei_local->dmaing = 1;
330
331 addr = (void __iomem *)dev->base_addr;
332 dma_base = etherh_priv(dev)->dma_base;
333
334 count = (count + 1) & ~1;
335 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
336
337 writeb (0x42, addr + EN0_RCNTLO);
338 writeb (0x00, addr + EN0_RCNTHI);
339 writeb (0x42, addr + EN0_RSARLO);
340 writeb (0x00, addr + EN0_RSARHI);
341 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
342
343 udelay (1);
344
345 writeb (ENISR_RDC, addr + EN0_ISR);
346 writeb (count, addr + EN0_RCNTLO);
347 writeb (count >> 8, addr + EN0_RCNTHI);
348 writeb (0, addr + EN0_RSARLO);
349 writeb (start_page, addr + EN0_RSARHI);
350 writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
351
352 if (ei_local->word16)
353 writesw (dma_base, buf, count >> 1);
354 else
355 writesb (dma_base, buf, count);
356
357 dma_start = jiffies;
358
359 while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
360 if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
361 netdev_warn(dev, "timeout waiting for TX RDC\n");
362 etherh_reset (dev);
363 __NS8390_init (dev, 1);
364 break;
365 }
366
367 writeb (ENISR_RDC, addr + EN0_ISR);
368 ei_local->dmaing = 0;
369}
370
371/*
372 * Read a block of data from the 8390
373 */
374static void
375etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
376{
377 struct ei_device *ei_local = netdev_priv(dev);
378 unsigned char *buf;
379 void __iomem *dma_base, *addr;
380
381 if (ei_local->dmaing) {
382 netdev_err(dev, "DMAing conflict in etherh_block_input: "
383 " DMAstat %d irqlock %d\n",
384 ei_local->dmaing, ei_local->irqlock);
385 return;
386 }
387
388 ei_local->dmaing = 1;
389
390 addr = (void __iomem *)dev->base_addr;
391 dma_base = etherh_priv(dev)->dma_base;
392
393 buf = skb->data;
394 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
395 writeb (count, addr + EN0_RCNTLO);
396 writeb (count >> 8, addr + EN0_RCNTHI);
397 writeb (ring_offset, addr + EN0_RSARLO);
398 writeb (ring_offset >> 8, addr + EN0_RSARHI);
399 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
400
401 if (ei_local->word16) {
402 readsw (dma_base, buf, count >> 1);
403 if (count & 1)
404 buf[count - 1] = readb (dma_base);
405 } else
406 readsb (dma_base, buf, count);
407
408 writeb (ENISR_RDC, addr + EN0_ISR);
409 ei_local->dmaing = 0;
410}
411
412/*
413 * Read a header from the 8390
414 */
415static void
416etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
417{
418 struct ei_device *ei_local = netdev_priv(dev);
419 void __iomem *dma_base, *addr;
420
421 if (ei_local->dmaing) {
422 netdev_err(dev, "DMAing conflict in etherh_get_header: "
423 " DMAstat %d irqlock %d\n",
424 ei_local->dmaing, ei_local->irqlock);
425 return;
426 }
427
428 ei_local->dmaing = 1;
429
430 addr = (void __iomem *)dev->base_addr;
431 dma_base = etherh_priv(dev)->dma_base;
432
433 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
434 writeb (sizeof (*hdr), addr + EN0_RCNTLO);
435 writeb (0, addr + EN0_RCNTHI);
436 writeb (0, addr + EN0_RSARLO);
437 writeb (ring_page, addr + EN0_RSARHI);
438 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
439
440 if (ei_local->word16)
441 readsw (dma_base, hdr, sizeof (*hdr) >> 1);
442 else
443 readsb (dma_base, hdr, sizeof (*hdr));
444
445 writeb (ENISR_RDC, addr + EN0_ISR);
446 ei_local->dmaing = 0;
447}
448
449/*
450 * Open/initialize the board. This is called (in the current kernel)
451 * sometime after booting when the 'ifconfig' program is run.
452 *
453 * This routine should set everything up anew at each open, even
454 * registers that "should" only need to be set once at boot, so that
455 * there is non-reboot way to recover if something goes wrong.
456 */
457static int
458etherh_open(struct net_device *dev)
459{
460 struct ei_device *ei_local = netdev_priv(dev);
461
462 if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
463 return -EAGAIN;
464
465 /*
466 * Make sure that we aren't going to change the
467 * media type on the next reset - we are about to
468 * do automedia manually now.
469 */
470 ei_local->interface_num = 0;
471
472 /*
473 * If we are doing automedia detection, do it now.
474 * This is more reliable than the 8390's detection.
475 */
476 if (dev->flags & IFF_AUTOMEDIA) {
477 dev->if_port = IF_PORT_10BASET;
478 etherh_setif(dev);
479 mdelay(1);
480 if (!etherh_getifstat(dev)) {
481 dev->if_port = IF_PORT_10BASE2;
482 etherh_setif(dev);
483 }
484 } else
485 etherh_setif(dev);
486
487 etherh_reset(dev);
488 __ei_open(dev);
489
490 return 0;
491}
492
493/*
494 * The inverse routine to etherh_open().
495 */
496static int
497etherh_close(struct net_device *dev)
498{
499 __ei_close (dev);
500 free_irq (dev->irq, dev);
501 return 0;
502}
503
504/*
505 * Initialisation
506 */
507
508static void __init etherh_banner(void)
509{
510 static int version_printed;
511
512 if ((etherh_msg_enable & NETIF_MSG_DRV) && (version_printed++ == 0))
513 pr_info("%s", version);
514}
515
516/*
517 * Read the ethernet address string from the on board rom.
518 * This is an ascii string...
519 */
520static int etherh_addr(char *addr, struct expansion_card *ec)
521{
522 struct in_chunk_dir cd;
523 char *s;
524
525 if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
526 printk(KERN_ERR "%s: unable to read module description string\n",
527 dev_name(&ec->dev));
528 goto no_addr;
529 }
530
531 s = strchr(cd.d.string, '(');
532 if (s) {
533 int i;
534
535 for (i = 0; i < 6; i++) {
536 addr[i] = simple_strtoul(s + 1, &s, 0x10);
537 if (*s != (i == 5? ')' : ':'))
538 break;
539 }
540
541 if (i == 6)
542 return 0;
543 }
544
545 printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
546 dev_name(&ec->dev), cd.d.string);
547
548 no_addr:
549 return -ENODEV;
550}
551
552/*
553 * Create an ethernet address from the system serial number.
554 */
555static int __init etherm_addr(char *addr)
556{
557 unsigned int serial;
558
559 if (system_serial_low == 0 && system_serial_high == 0)
560 return -ENODEV;
561
562 serial = system_serial_low | system_serial_high;
563
564 addr[0] = 0;
565 addr[1] = 0;
566 addr[2] = 0xa4;
567 addr[3] = 0x10 + (serial >> 24);
568 addr[4] = serial >> 16;
569 addr[5] = serial >> 8;
570 return 0;
571}
572
573static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
574{
575 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
576 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
577 strlcpy(info->bus_info, dev_name(dev->dev.parent),
578 sizeof(info->bus_info));
579}
580
581static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
582{
583 cmd->supported = etherh_priv(dev)->supported;
584 ethtool_cmd_speed_set(cmd, SPEED_10);
585 cmd->duplex = DUPLEX_HALF;
586 cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
587 cmd->autoneg = (dev->flags & IFF_AUTOMEDIA ?
588 AUTONEG_ENABLE : AUTONEG_DISABLE);
589 return 0;
590}
591
592static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
593{
594 switch (cmd->autoneg) {
595 case AUTONEG_ENABLE:
596 dev->flags |= IFF_AUTOMEDIA;
597 break;
598
599 case AUTONEG_DISABLE:
600 switch (cmd->port) {
601 case PORT_TP:
602 dev->if_port = IF_PORT_10BASET;
603 break;
604
605 case PORT_BNC:
606 dev->if_port = IF_PORT_10BASE2;
607 break;
608
609 default:
610 return -EINVAL;
611 }
612 dev->flags &= ~IFF_AUTOMEDIA;
613 break;
614
615 default:
616 return -EINVAL;
617 }
618
619 etherh_setif(dev);
620
621 return 0;
622}
623
624static u32 etherh_get_msglevel(struct net_device *dev)
625{
626 struct ei_device *ei_local = netdev_priv(dev);
627
628 return ei_local->msg_enable;
629}
630
631static void etherh_set_msglevel(struct net_device *dev, u32 v)
632{
633 struct ei_device *ei_local = netdev_priv(dev);
634
635 ei_local->msg_enable = v;
636}
637
638static const struct ethtool_ops etherh_ethtool_ops = {
639 .get_settings = etherh_get_settings,
640 .set_settings = etherh_set_settings,
641 .get_drvinfo = etherh_get_drvinfo,
642 .get_ts_info = ethtool_op_get_ts_info,
643 .get_msglevel = etherh_get_msglevel,
644 .set_msglevel = etherh_set_msglevel,
645};
646
647static const struct net_device_ops etherh_netdev_ops = {
648 .ndo_open = etherh_open,
649 .ndo_stop = etherh_close,
650 .ndo_set_config = etherh_set_config,
651 .ndo_start_xmit = __ei_start_xmit,
652 .ndo_tx_timeout = __ei_tx_timeout,
653 .ndo_get_stats = __ei_get_stats,
654 .ndo_set_rx_mode = __ei_set_multicast_list,
655 .ndo_validate_addr = eth_validate_addr,
656 .ndo_set_mac_address = eth_mac_addr,
657 .ndo_change_mtu = eth_change_mtu,
658#ifdef CONFIG_NET_POLL_CONTROLLER
659 .ndo_poll_controller = __ei_poll,
660#endif
661};
662
663static u32 etherh_regoffsets[16];
664static u32 etherm_regoffsets[16];
665
666static int
667etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
668{
669 const struct etherh_data *data = id->data;
670 struct ei_device *ei_local;
671 struct net_device *dev;
672 struct etherh_priv *eh;
673 int ret;
674
675 etherh_banner();
676
677 ret = ecard_request_resources(ec);
678 if (ret)
679 goto out;
680
681 dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
682 if (!dev) {
683 ret = -ENOMEM;
684 goto release;
685 }
686
687 SET_NETDEV_DEV(dev, &ec->dev);
688
689 dev->netdev_ops = ðerh_netdev_ops;
690 dev->irq = ec->irq;
691 dev->ethtool_ops = ðerh_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, ðerh_ops, eh);
733 } else {
734 /*
735 * If we're in the NIC slot, make sure the IRQ is enabled
736 */
737 etherh_set_ctrl(eh, ETHERH_CP_IE);
738 }
739
740 ei_local = netdev_priv(dev);
741 spin_lock_init(&ei_local->page_lock);
742
743 if (ec->cid.product == PROD_ANT_ETHERM) {
744 etherm_addr(dev->dev_addr);
745 ei_local->reg_offset = etherm_regoffsets;
746 } else {
747 etherh_addr(dev->dev_addr, ec);
748 ei_local->reg_offset = etherh_regoffsets;
749 }
750
751 ei_local->name = dev->name;
752 ei_local->word16 = 1;
753 ei_local->tx_start_page = data->tx_start_page;
754 ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
755 ei_local->stop_page = data->stop_page;
756 ei_local->reset_8390 = etherh_reset;
757 ei_local->block_input = etherh_block_input;
758 ei_local->block_output = etherh_block_output;
759 ei_local->get_8390_hdr = etherh_get_header;
760 ei_local->interface_num = 0;
761 ei_local->msg_enable = etherh_msg_enable;
762
763 etherh_reset(dev);
764 __NS8390_init(dev, 0);
765
766 ret = register_netdev(dev);
767 if (ret)
768 goto free;
769
770 netdev_info(dev, "%s in slot %d, %pM\n",
771 data->name, ec->slot_no, dev->dev_addr);
772
773 ecard_set_drvdata(ec, dev);
774
775 return 0;
776
777 free:
778 free_netdev(dev);
779 release:
780 ecard_release_resources(ec);
781 out:
782 return ret;
783}
784
785static void etherh_remove(struct expansion_card *ec)
786{
787 struct net_device *dev = ecard_get_drvdata(ec);
788
789 ecard_set_drvdata(ec, NULL);
790
791 unregister_netdev(dev);
792
793 free_netdev(dev);
794
795 ecard_release_resources(ec);
796}
797
798static struct etherh_data etherm_data = {
799 .ns8390_offset = ETHERM_NS8390,
800 .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT,
801 .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT,
802 .name = "ANT EtherM",
803 .supported = SUPPORTED_10baseT_Half,
804 .tx_start_page = ETHERM_TX_START_PAGE,
805 .stop_page = ETHERM_STOP_PAGE,
806};
807
808static struct etherh_data etherlan500_data = {
809 .ns8390_offset = ETHERH500_NS8390,
810 .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT,
811 .ctrlport_offset = ETHERH500_CTRLPORT,
812 .ctrl_ioc = 1,
813 .name = "i3 EtherH 500",
814 .supported = SUPPORTED_10baseT_Half,
815 .tx_start_page = ETHERH_TX_START_PAGE,
816 .stop_page = ETHERH_STOP_PAGE,
817};
818
819static struct etherh_data etherlan600_data = {
820 .ns8390_offset = ETHERH600_NS8390,
821 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
822 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
823 .name = "i3 EtherH 600",
824 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
825 .tx_start_page = ETHERH_TX_START_PAGE,
826 .stop_page = ETHERH_STOP_PAGE,
827};
828
829static struct etherh_data etherlan600a_data = {
830 .ns8390_offset = ETHERH600_NS8390,
831 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
832 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
833 .name = "i3 EtherH 600A",
834 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
835 .tx_start_page = ETHERH_TX_START_PAGE,
836 .stop_page = ETHERH_STOP_PAGE,
837};
838
839static const struct ecard_id etherh_ids[] = {
840 { MANU_ANT, PROD_ANT_ETHERM, ðerm_data },
841 { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data },
842 { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data },
843 { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data },
844 { 0xffff, 0xffff }
845};
846
847static struct ecard_driver etherh_driver = {
848 .probe = etherh_probe,
849 .remove = etherh_remove,
850 .id_table = etherh_ids,
851 .drv = {
852 .name = DRV_NAME,
853 },
854};
855
856static int __init etherh_init(void)
857{
858 int i;
859
860 for (i = 0; i < 16; i++) {
861 etherh_regoffsets[i] = i << 2;
862 etherm_regoffsets[i] = i << 5;
863 }
864
865 return ecard_register_driver(ðerh_driver);
866}
867
868static void __exit etherh_exit(void)
869{
870 ecard_remove_driver(ðerh_driver);
871}
872
873module_init(etherh_init);
874module_exit(etherh_exit);