1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/drivers/acorn/net/etherh.c
4 *
5 * Copyright (C) 2000-2002 Russell King
6 *
7 * NS8390 I-cubed EtherH and ANT EtherM specific driver
8 * Thanks to I-Cubed for information on their cards.
9 * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
10 * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
11 * EtherM integration re-engineered by Russell King.
12 *
13 * Changelog:
14 * 08-12-1996 RMK 1.00 Created
15 * RMK 1.03 Added support for EtherLan500 cards
16 * 23-11-1997 RMK 1.04 Added media autodetection
17 * 16-04-1998 RMK 1.05 Improved media autodetection
18 * 10-02-2000 RMK 1.06 Updated for 2.3.43
19 * 13-05-2000 RMK 1.07 Updated for 2.3.99-pre8
20 * 12-10-1999 CK/TEW EtherM driver first release
21 * 21-12-2000 TTC EtherH/EtherM integration
22 * 25-12-2000 RMK 1.08 Clean integration of EtherM into this driver.
23 * 03-01-2002 RMK 1.09 Always enable IRQs if we're in the nic slot.
24 */
25
26 #include <linux/module.h>
27 #include <linux/kernel.h>
28 #include <linux/types.h>
29 #include <linux/fcntl.h>
30 #include <linux/interrupt.h>
31 #include <linux/ioport.h>
32 #include <linux/in.h>
33 #include <linux/string.h>
34 #include <linux/errno.h>
35 #include <linux/netdevice.h>
36 #include <linux/etherdevice.h>
37 #include <linux/ethtool.h>
38 #include <linux/skbuff.h>
39 #include <linux/delay.h>
40 #include <linux/device.h>
41 #include <linux/init.h>
42 #include <linux/bitops.h>
43 #include <linux/jiffies.h>
44
45 #include <asm/ecard.h>
46 #include <asm/io.h>
47 #include <asm/system_info.h>
48
49 #define EI_SHIFT(x) (ei_local->reg_offset[x])
50
51 #define ei_inb(_p) readb((void __iomem *)_p)
52 #define ei_outb(_v,_p) writeb(_v,(void __iomem *)_p)
53 #define ei_inb_p(_p) readb((void __iomem *)_p)
54 #define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p)
55
56 #define DRV_NAME "etherh"
57 #define DRV_VERSION "1.11"
58
59 static char version[] =
60 "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
61
62 #include "lib8390.c"
63
64 struct etherh_priv {
65 void __iomem *ioc_fast;
66 void __iomem *memc;
67 void __iomem *dma_base;
68 unsigned int id;
69 void __iomem *ctrl_port;
70 unsigned char ctrl;
71 u32 supported;
72 };
73
74 struct etherh_data {
75 unsigned long ns8390_offset;
76 unsigned long dataport_offset;
77 unsigned long ctrlport_offset;
78 int ctrl_ioc;
79 const char name[16];
80 u32 supported;
81 unsigned char tx_start_page;
82 unsigned char stop_page;
83 };
84
85 MODULE_AUTHOR("Russell King");
86 MODULE_DESCRIPTION("EtherH/EtherM driver");
87 MODULE_LICENSE("GPL");
88
89 #define ETHERH500_DATAPORT 0x800 /* MEMC */
90 #define ETHERH500_NS8390 0x000 /* MEMC */
91 #define ETHERH500_CTRLPORT 0x800 /* IOC */
92
93 #define ETHERH600_DATAPORT 0x040 /* MEMC */
94 #define ETHERH600_NS8390 0x800 /* MEMC */
95 #define ETHERH600_CTRLPORT 0x200 /* MEMC */
96
97 #define ETHERH_CP_IE 1
98 #define ETHERH_CP_IF 2
99 #define ETHERH_CP_HEARTBEAT 2
100
101 #define ETHERH_TX_START_PAGE 1
102 #define ETHERH_STOP_PAGE 127
103
104 /*
105 * These came from CK/TEW
106 */
107 #define ETHERM_DATAPORT 0x200 /* MEMC */
108 #define ETHERM_NS8390 0x800 /* MEMC */
109 #define ETHERM_CTRLPORT 0x23c /* MEMC */
110
111 #define ETHERM_TX_START_PAGE 64
112 #define ETHERM_STOP_PAGE 127
113
114 /* ------------------------------------------------------------------------ */
115
116 #define etherh_priv(dev) \
117 ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
118
etherh_set_ctrl(struct etherh_priv * eh,unsigned char mask)119 static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
120 {
121 unsigned char ctrl = eh->ctrl | mask;
122 eh->ctrl = ctrl;
123 writeb(ctrl, eh->ctrl_port);
124 }
125
etherh_clr_ctrl(struct etherh_priv * eh,unsigned char mask)126 static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
127 {
128 unsigned char ctrl = eh->ctrl & ~mask;
129 eh->ctrl = ctrl;
130 writeb(ctrl, eh->ctrl_port);
131 }
132
etherh_get_stat(struct etherh_priv * eh)133 static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
134 {
135 return readb(eh->ctrl_port);
136 }
137
138
139
140
etherh_irq_enable(ecard_t * ec,int irqnr)141 static void etherh_irq_enable(ecard_t *ec, int irqnr)
142 {
143 struct etherh_priv *eh = ec->irq_data;
144
145 etherh_set_ctrl(eh, ETHERH_CP_IE);
146 }
147
etherh_irq_disable(ecard_t * ec,int irqnr)148 static void etherh_irq_disable(ecard_t *ec, int irqnr)
149 {
150 struct etherh_priv *eh = ec->irq_data;
151
152 etherh_clr_ctrl(eh, ETHERH_CP_IE);
153 }
154
155 static expansioncard_ops_t etherh_ops = {
156 .irqenable = etherh_irq_enable,
157 .irqdisable = etherh_irq_disable,
158 };
159
160
161
162
163 static void
etherh_setif(struct net_device * dev)164 etherh_setif(struct net_device *dev)
165 {
166 struct ei_device *ei_local = netdev_priv(dev);
167 unsigned long flags;
168 void __iomem *addr;
169
170 local_irq_save(flags);
171
172 /* set the interface type */
173 switch (etherh_priv(dev)->id) {
174 case PROD_I3_ETHERLAN600:
175 case PROD_I3_ETHERLAN600A:
176 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
177
178 switch (dev->if_port) {
179 case IF_PORT_10BASE2:
180 writeb((readb(addr) & 0xf8) | 1, addr);
181 break;
182 case IF_PORT_10BASET:
183 writeb((readb(addr) & 0xf8), addr);
184 break;
185 }
186 break;
187
188 case PROD_I3_ETHERLAN500:
189 switch (dev->if_port) {
190 case IF_PORT_10BASE2:
191 etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
192 break;
193
194 case IF_PORT_10BASET:
195 etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
196 break;
197 }
198 break;
199
200 default:
201 break;
202 }
203
204 local_irq_restore(flags);
205 }
206
207 static int
etherh_getifstat(struct net_device * dev)208 etherh_getifstat(struct net_device *dev)
209 {
210 struct ei_device *ei_local = netdev_priv(dev);
211 void __iomem *addr;
212 int stat = 0;
213
214 switch (etherh_priv(dev)->id) {
215 case PROD_I3_ETHERLAN600:
216 case PROD_I3_ETHERLAN600A:
217 addr = (void __iomem *)dev->base_addr + EN0_RCNTHI;
218 switch (dev->if_port) {
219 case IF_PORT_10BASE2:
220 stat = 1;
221 break;
222 case IF_PORT_10BASET:
223 stat = readb(addr) & 4;
224 break;
225 }
226 break;
227
228 case PROD_I3_ETHERLAN500:
229 switch (dev->if_port) {
230 case IF_PORT_10BASE2:
231 stat = 1;
232 break;
233 case IF_PORT_10BASET:
234 stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
235 break;
236 }
237 break;
238
239 default:
240 stat = 0;
241 break;
242 }
243
244 return stat != 0;
245 }
246
247 /*
248 * Configure the interface. Note that we ignore the other
249 * parts of ifmap, since its mostly meaningless for this driver.
250 */
etherh_set_config(struct net_device * dev,struct ifmap * map)251 static int etherh_set_config(struct net_device *dev, struct ifmap *map)
252 {
253 switch (map->port) {
254 case IF_PORT_10BASE2:
255 case IF_PORT_10BASET:
256 /*
257 * If the user explicitly sets the interface
258 * media type, turn off automedia detection.
259 */
260 dev->flags &= ~IFF_AUTOMEDIA;
261 WRITE_ONCE(dev->if_port, map->port);
262 break;
263
264 default:
265 return -EINVAL;
266 }
267
268 etherh_setif(dev);
269
270 return 0;
271 }
272
273 /*
274 * Reset the 8390 (hard reset). Note that we can't actually do this.
275 */
276 static void
etherh_reset(struct net_device * dev)277 etherh_reset(struct net_device *dev)
278 {
279 struct ei_device *ei_local = netdev_priv(dev);
280 void __iomem *addr = (void __iomem *)dev->base_addr;
281
282 writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
283
284 /*
285 * See if we need to change the interface type.
286 * Note that we use 'interface_num' as a flag
287 * to indicate that we need to change the media.
288 */
289 if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
290 ei_local->interface_num = 0;
291
292 if (dev->if_port == IF_PORT_10BASET)
293 dev->if_port = IF_PORT_10BASE2;
294 else
295 dev->if_port = IF_PORT_10BASET;
296
297 etherh_setif(dev);
298 }
299 }
300
301 /*
302 * Write a block of data out to the 8390
303 */
304 static void
etherh_block_output(struct net_device * dev,int count,const unsigned char * buf,int start_page)305 etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
306 {
307 struct ei_device *ei_local = netdev_priv(dev);
308 unsigned long dma_start;
309 void __iomem *dma_base, *addr;
310
311 if (ei_local->dmaing) {
312 netdev_err(dev, "DMAing conflict in etherh_block_input: "
313 " DMAstat %d irqlock %d\n",
314 ei_local->dmaing, ei_local->irqlock);
315 return;
316 }
317
318 /*
319 * Make sure we have a round number of bytes if we're in word mode.
320 */
321 if (count & 1 && ei_local->word16)
322 count++;
323
324 ei_local->dmaing = 1;
325
326 addr = (void __iomem *)dev->base_addr;
327 dma_base = etherh_priv(dev)->dma_base;
328
329 count = (count + 1) & ~1;
330 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
331
332 writeb (0x42, addr + EN0_RCNTLO);
333 writeb (0x00, addr + EN0_RCNTHI);
334 writeb (0x42, addr + EN0_RSARLO);
335 writeb (0x00, addr + EN0_RSARHI);
336 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
337
338 udelay (1);
339
340 writeb (ENISR_RDC, addr + EN0_ISR);
341 writeb (count, addr + EN0_RCNTLO);
342 writeb (count >> 8, addr + EN0_RCNTHI);
343 writeb (0, addr + EN0_RSARLO);
344 writeb (start_page, addr + EN0_RSARHI);
345 writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
346
347 if (ei_local->word16)
348 writesw (dma_base, buf, count >> 1);
349 else
350 writesb (dma_base, buf, count);
351
352 dma_start = jiffies;
353
354 while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
355 if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
356 netdev_warn(dev, "timeout waiting for TX RDC\n");
357 etherh_reset (dev);
358 __NS8390_init (dev, 1);
359 break;
360 }
361
362 writeb (ENISR_RDC, addr + EN0_ISR);
363 ei_local->dmaing = 0;
364 }
365
366 /*
367 * Read a block of data from the 8390
368 */
369 static void
etherh_block_input(struct net_device * dev,int count,struct sk_buff * skb,int ring_offset)370 etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
371 {
372 struct ei_device *ei_local = netdev_priv(dev);
373 unsigned char *buf;
374 void __iomem *dma_base, *addr;
375
376 if (ei_local->dmaing) {
377 netdev_err(dev, "DMAing conflict in etherh_block_input: "
378 " DMAstat %d irqlock %d\n",
379 ei_local->dmaing, ei_local->irqlock);
380 return;
381 }
382
383 ei_local->dmaing = 1;
384
385 addr = (void __iomem *)dev->base_addr;
386 dma_base = etherh_priv(dev)->dma_base;
387
388 buf = skb->data;
389 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
390 writeb (count, addr + EN0_RCNTLO);
391 writeb (count >> 8, addr + EN0_RCNTHI);
392 writeb (ring_offset, addr + EN0_RSARLO);
393 writeb (ring_offset >> 8, addr + EN0_RSARHI);
394 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
395
396 if (ei_local->word16) {
397 readsw (dma_base, buf, count >> 1);
398 if (count & 1)
399 buf[count - 1] = readb (dma_base);
400 } else
401 readsb (dma_base, buf, count);
402
403 writeb (ENISR_RDC, addr + EN0_ISR);
404 ei_local->dmaing = 0;
405 }
406
407 /*
408 * Read a header from the 8390
409 */
410 static void
etherh_get_header(struct net_device * dev,struct e8390_pkt_hdr * hdr,int ring_page)411 etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
412 {
413 struct ei_device *ei_local = netdev_priv(dev);
414 void __iomem *dma_base, *addr;
415
416 if (ei_local->dmaing) {
417 netdev_err(dev, "DMAing conflict in etherh_get_header: "
418 " DMAstat %d irqlock %d\n",
419 ei_local->dmaing, ei_local->irqlock);
420 return;
421 }
422
423 ei_local->dmaing = 1;
424
425 addr = (void __iomem *)dev->base_addr;
426 dma_base = etherh_priv(dev)->dma_base;
427
428 writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
429 writeb (sizeof (*hdr), addr + EN0_RCNTLO);
430 writeb (0, addr + EN0_RCNTHI);
431 writeb (0, addr + EN0_RSARLO);
432 writeb (ring_page, addr + EN0_RSARHI);
433 writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
434
435 if (ei_local->word16)
436 readsw (dma_base, hdr, sizeof (*hdr) >> 1);
437 else
438 readsb (dma_base, hdr, sizeof (*hdr));
439
440 writeb (ENISR_RDC, addr + EN0_ISR);
441 ei_local->dmaing = 0;
442 }
443
444 /*
445 * Open/initialize the board. This is called (in the current kernel)
446 * sometime after booting when the 'ifconfig' program is run.
447 *
448 * This routine should set everything up anew at each open, even
449 * registers that "should" only need to be set once at boot, so that
450 * there is non-reboot way to recover if something goes wrong.
451 */
452 static int
etherh_open(struct net_device * dev)453 etherh_open(struct net_device *dev)
454 {
455 struct ei_device *ei_local = netdev_priv(dev);
456
457 if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev))
458 return -EAGAIN;
459
460 /*
461 * Make sure that we aren't going to change the
462 * media type on the next reset - we are about to
463 * do automedia manually now.
464 */
465 ei_local->interface_num = 0;
466
467 /*
468 * If we are doing automedia detection, do it now.
469 * This is more reliable than the 8390's detection.
470 */
471 if (dev->flags & IFF_AUTOMEDIA) {
472 dev->if_port = IF_PORT_10BASET;
473 etherh_setif(dev);
474 mdelay(1);
475 if (!etherh_getifstat(dev)) {
476 dev->if_port = IF_PORT_10BASE2;
477 etherh_setif(dev);
478 }
479 } else
480 etherh_setif(dev);
481
482 etherh_reset(dev);
483 __ei_open(dev);
484
485 return 0;
486 }
487
488 /*
489 * The inverse routine to etherh_open().
490 */
491 static int
etherh_close(struct net_device * dev)492 etherh_close(struct net_device *dev)
493 {
494 __ei_close (dev);
495 free_irq (dev->irq, dev);
496 return 0;
497 }
498
499 /*
500 * Read the ethernet address string from the on board rom.
501 * This is an ascii string...
502 */
etherh_addr(char * addr,struct expansion_card * ec)503 static int etherh_addr(char *addr, struct expansion_card *ec)
504 {
505 struct in_chunk_dir cd;
506 char *s;
507
508 if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
509 printk(KERN_ERR "%s: unable to read module description string\n",
510 dev_name(&ec->dev));
511 goto no_addr;
512 }
513
514 s = strchr(cd.d.string, '(');
515 if (s) {
516 int i;
517
518 for (i = 0; i < 6; i++) {
519 addr[i] = simple_strtoul(s + 1, &s, 0x10);
520 if (*s != (i == 5? ')' : ':'))
521 break;
522 }
523
524 if (i == 6)
525 return 0;
526 }
527
528 printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
529 dev_name(&ec->dev), cd.d.string);
530
531 no_addr:
532 return -ENODEV;
533 }
534
535 /*
536 * Create an ethernet address from the system serial number.
537 */
etherm_addr(char * addr)538 static int __init etherm_addr(char *addr)
539 {
540 unsigned int serial;
541
542 if (system_serial_low == 0 && system_serial_high == 0)
543 return -ENODEV;
544
545 serial = system_serial_low | system_serial_high;
546
547 addr[0] = 0;
548 addr[1] = 0;
549 addr[2] = 0xa4;
550 addr[3] = 0x10 + (serial >> 24);
551 addr[4] = serial >> 16;
552 addr[5] = serial >> 8;
553 return 0;
554 }
555
etherh_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)556 static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
557 {
558 strscpy(info->driver, DRV_NAME, sizeof(info->driver));
559 strscpy(info->version, DRV_VERSION, sizeof(info->version));
560 strscpy(info->bus_info, dev_name(dev->dev.parent),
561 sizeof(info->bus_info));
562 }
563
etherh_get_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * cmd)564 static int etherh_get_link_ksettings(struct net_device *dev,
565 struct ethtool_link_ksettings *cmd)
566 {
567 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
568 etherh_priv(dev)->supported);
569 cmd->base.speed = SPEED_10;
570 cmd->base.duplex = DUPLEX_HALF;
571 cmd->base.port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
572 cmd->base.autoneg = (dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE :
573 AUTONEG_DISABLE);
574 return 0;
575 }
576
etherh_set_link_ksettings(struct net_device * dev,const struct ethtool_link_ksettings * cmd)577 static int etherh_set_link_ksettings(struct net_device *dev,
578 const struct ethtool_link_ksettings *cmd)
579 {
580 switch (cmd->base.autoneg) {
581 case AUTONEG_ENABLE:
582 dev->flags |= IFF_AUTOMEDIA;
583 break;
584
585 case AUTONEG_DISABLE:
586 switch (cmd->base.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
etherh_get_msglevel(struct net_device * dev)610 static 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
etherh_set_msglevel(struct net_device * dev,u32 v)617 static 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
624 static const struct ethtool_ops etherh_ethtool_ops = {
625 .get_drvinfo = etherh_get_drvinfo,
626 .get_ts_info = ethtool_op_get_ts_info,
627 .get_msglevel = etherh_get_msglevel,
628 .set_msglevel = etherh_set_msglevel,
629 .get_link_ksettings = etherh_get_link_ksettings,
630 .set_link_ksettings = etherh_set_link_ksettings,
631 };
632
633 static 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
648 static u32 etherh_regoffsets[16];
649 static u32 etherm_regoffsets[16];
650
651 static int
etherh_probe(struct expansion_card * ec,const struct ecard_id * id)652 etherh_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 u8 addr[ETH_ALEN];
659 int ret;
660
661 ret = ecard_request_resources(ec);
662 if (ret)
663 goto out;
664
665 dev = ____alloc_ei_netdev(sizeof(struct etherh_priv));
666 if (!dev) {
667 ret = -ENOMEM;
668 goto release;
669 }
670
671 SET_NETDEV_DEV(dev, &ec->dev);
672
673 dev->netdev_ops = ðerh_netdev_ops;
674 dev->irq = ec->irq;
675 dev->ethtool_ops = ðerh_ethtool_ops;
676
677 if (data->supported & SUPPORTED_Autoneg)
678 dev->flags |= IFF_AUTOMEDIA;
679 if (data->supported & SUPPORTED_TP) {
680 dev->flags |= IFF_PORTSEL;
681 dev->if_port = IF_PORT_10BASET;
682 } else if (data->supported & SUPPORTED_BNC) {
683 dev->flags |= IFF_PORTSEL;
684 dev->if_port = IF_PORT_10BASE2;
685 } else
686 dev->if_port = IF_PORT_UNKNOWN;
687
688 eh = etherh_priv(dev);
689 eh->supported = data->supported;
690 eh->ctrl = 0;
691 eh->id = ec->cid.product;
692 eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE);
693 if (!eh->memc) {
694 ret = -ENOMEM;
695 goto free;
696 }
697
698 eh->ctrl_port = eh->memc;
699 if (data->ctrl_ioc) {
700 eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE);
701 if (!eh->ioc_fast) {
702 ret = -ENOMEM;
703 goto free;
704 }
705 eh->ctrl_port = eh->ioc_fast;
706 }
707
708 dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
709 eh->dma_base = eh->memc + data->dataport_offset;
710 eh->ctrl_port += data->ctrlport_offset;
711
712 /*
713 * IRQ and control port handling - only for non-NIC slot cards.
714 */
715 if (ec->slot_no != 8) {
716 ecard_setirq(ec, ðerh_ops, eh);
717 } else {
718 /*
719 * If we're in the NIC slot, make sure the IRQ is enabled
720 */
721 etherh_set_ctrl(eh, ETHERH_CP_IE);
722 }
723
724 ei_local = netdev_priv(dev);
725 spin_lock_init(&ei_local->page_lock);
726
727 if (ec->cid.product == PROD_ANT_ETHERM) {
728 etherm_addr(addr);
729 ei_local->reg_offset = etherm_regoffsets;
730 } else {
731 etherh_addr(addr, ec);
732 ei_local->reg_offset = etherh_regoffsets;
733 }
734 eth_hw_addr_set(dev, addr);
735
736 ei_local->name = dev->name;
737 ei_local->word16 = 1;
738 ei_local->tx_start_page = data->tx_start_page;
739 ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
740 ei_local->stop_page = data->stop_page;
741 ei_local->reset_8390 = etherh_reset;
742 ei_local->block_input = etherh_block_input;
743 ei_local->block_output = etherh_block_output;
744 ei_local->get_8390_hdr = etherh_get_header;
745 ei_local->interface_num = 0;
746
747 etherh_reset(dev);
748 __NS8390_init(dev, 0);
749
750 ret = register_netdev(dev);
751 if (ret)
752 goto free;
753
754 netdev_info(dev, "%s in slot %d, %pM\n",
755 data->name, ec->slot_no, dev->dev_addr);
756
757 ecard_set_drvdata(ec, dev);
758
759 return 0;
760
761 free:
762 free_netdev(dev);
763 release:
764 ecard_release_resources(ec);
765 out:
766 return ret;
767 }
768
etherh_remove(struct expansion_card * ec)769 static void etherh_remove(struct expansion_card *ec)
770 {
771 struct net_device *dev = ecard_get_drvdata(ec);
772
773 ecard_set_drvdata(ec, NULL);
774
775 unregister_netdev(dev);
776
777 free_netdev(dev);
778
779 ecard_release_resources(ec);
780 }
781
782 static struct etherh_data etherm_data = {
783 .ns8390_offset = ETHERM_NS8390,
784 .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT,
785 .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT,
786 .name = "ANT EtherM",
787 .supported = SUPPORTED_10baseT_Half,
788 .tx_start_page = ETHERM_TX_START_PAGE,
789 .stop_page = ETHERM_STOP_PAGE,
790 };
791
792 static struct etherh_data etherlan500_data = {
793 .ns8390_offset = ETHERH500_NS8390,
794 .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT,
795 .ctrlport_offset = ETHERH500_CTRLPORT,
796 .ctrl_ioc = 1,
797 .name = "i3 EtherH 500",
798 .supported = SUPPORTED_10baseT_Half,
799 .tx_start_page = ETHERH_TX_START_PAGE,
800 .stop_page = ETHERH_STOP_PAGE,
801 };
802
803 static struct etherh_data etherlan600_data = {
804 .ns8390_offset = ETHERH600_NS8390,
805 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
806 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
807 .name = "i3 EtherH 600",
808 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
809 .tx_start_page = ETHERH_TX_START_PAGE,
810 .stop_page = ETHERH_STOP_PAGE,
811 };
812
813 static struct etherh_data etherlan600a_data = {
814 .ns8390_offset = ETHERH600_NS8390,
815 .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
816 .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
817 .name = "i3 EtherH 600A",
818 .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
819 .tx_start_page = ETHERH_TX_START_PAGE,
820 .stop_page = ETHERH_STOP_PAGE,
821 };
822
823 static const struct ecard_id etherh_ids[] = {
824 { MANU_ANT, PROD_ANT_ETHERM, ðerm_data },
825 { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data },
826 { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data },
827 { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data },
828 { 0xffff, 0xffff }
829 };
830
831 static struct ecard_driver etherh_driver = {
832 .probe = etherh_probe,
833 .remove = etherh_remove,
834 .id_table = etherh_ids,
835 .drv = {
836 .name = DRV_NAME,
837 },
838 };
839
etherh_init(void)840 static int __init etherh_init(void)
841 {
842 int i;
843
844 for (i = 0; i < 16; i++) {
845 etherh_regoffsets[i] = i << 2;
846 etherm_regoffsets[i] = i << 5;
847 }
848
849 return ecard_register_driver(ðerh_driver);
850 }
851
etherh_exit(void)852 static void __exit etherh_exit(void)
853 {
854 ecard_remove_driver(ðerh_driver);
855 }
856
857 module_init(etherh_init);
858 module_exit(etherh_exit);
859