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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> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/types.h> | |
33 | #include <linux/fcntl.h> | |
34 | #include <linux/interrupt.h> | |
35 | #include <linux/ptrace.h> | |
36 | #include <linux/ioport.h> | |
37 | #include <linux/in.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/string.h> | |
40 | #include <linux/errno.h> | |
41 | #include <linux/netdevice.h> | |
42 | #include <linux/etherdevice.h> | |
43 | #include <linux/ethtool.h> | |
44 | #include <linux/skbuff.h> | |
45 | #include <linux/delay.h> | |
46 | #include <linux/device.h> | |
47 | #include <linux/init.h> | |
48 | #include <linux/bitops.h> | |
ff5688ae | 49 | #include <linux/jiffies.h> |
1da177e4 LT |
50 | |
51 | #include <asm/system.h> | |
52 | #include <asm/ecard.h> | |
53 | #include <asm/io.h> | |
1da177e4 LT |
54 | |
55 | #include "../8390.h" | |
56 | ||
57 | #define NET_DEBUG 0 | |
58 | #define DEBUG_INIT 2 | |
59 | ||
60 | #define DRV_NAME "etherh" | |
61 | #define DRV_VERSION "1.11" | |
62 | ||
63 | static unsigned int net_debug = NET_DEBUG; | |
64 | ||
65 | struct etherh_priv { | |
66 | void __iomem *ioc_fast; | |
67 | void __iomem *memc; | |
68 | void __iomem *dma_base; | |
69 | unsigned int id; | |
70 | void __iomem *ctrl_port; | |
71 | unsigned char ctrl; | |
72 | u32 supported; | |
73 | }; | |
74 | ||
75 | struct etherh_data { | |
76 | unsigned long ns8390_offset; | |
77 | unsigned long dataport_offset; | |
78 | unsigned long ctrlport_offset; | |
79 | int ctrl_ioc; | |
80 | const char name[16]; | |
81 | u32 supported; | |
82 | unsigned char tx_start_page; | |
83 | unsigned char stop_page; | |
84 | }; | |
85 | ||
86 | MODULE_AUTHOR("Russell King"); | |
87 | MODULE_DESCRIPTION("EtherH/EtherM driver"); | |
88 | MODULE_LICENSE("GPL"); | |
89 | ||
90 | static char version[] __initdata = | |
91 | "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; | |
92 | ||
93 | #define ETHERH500_DATAPORT 0x800 /* MEMC */ | |
94 | #define ETHERH500_NS8390 0x000 /* MEMC */ | |
95 | #define ETHERH500_CTRLPORT 0x800 /* IOC */ | |
96 | ||
97 | #define ETHERH600_DATAPORT 0x040 /* MEMC */ | |
98 | #define ETHERH600_NS8390 0x800 /* MEMC */ | |
99 | #define ETHERH600_CTRLPORT 0x200 /* MEMC */ | |
100 | ||
101 | #define ETHERH_CP_IE 1 | |
102 | #define ETHERH_CP_IF 2 | |
103 | #define ETHERH_CP_HEARTBEAT 2 | |
104 | ||
105 | #define ETHERH_TX_START_PAGE 1 | |
106 | #define ETHERH_STOP_PAGE 127 | |
107 | ||
108 | /* | |
109 | * These came from CK/TEW | |
110 | */ | |
111 | #define ETHERM_DATAPORT 0x200 /* MEMC */ | |
112 | #define ETHERM_NS8390 0x800 /* MEMC */ | |
113 | #define ETHERM_CTRLPORT 0x23c /* MEMC */ | |
114 | ||
115 | #define ETHERM_TX_START_PAGE 64 | |
116 | #define ETHERM_STOP_PAGE 127 | |
117 | ||
118 | /* ------------------------------------------------------------------------ */ | |
119 | ||
120 | #define etherh_priv(dev) \ | |
121 | ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device))) | |
122 | ||
123 | static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask) | |
124 | { | |
125 | unsigned char ctrl = eh->ctrl | mask; | |
126 | eh->ctrl = ctrl; | |
127 | writeb(ctrl, eh->ctrl_port); | |
128 | } | |
129 | ||
130 | static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask) | |
131 | { | |
132 | unsigned char ctrl = eh->ctrl & ~mask; | |
133 | eh->ctrl = ctrl; | |
134 | writeb(ctrl, eh->ctrl_port); | |
135 | } | |
136 | ||
137 | static inline unsigned int etherh_get_stat(struct etherh_priv *eh) | |
138 | { | |
139 | return readb(eh->ctrl_port); | |
140 | } | |
141 | ||
142 | ||
143 | ||
144 | ||
145 | static void etherh_irq_enable(ecard_t *ec, int irqnr) | |
146 | { | |
147 | struct etherh_priv *eh = ec->irq_data; | |
148 | ||
149 | etherh_set_ctrl(eh, ETHERH_CP_IE); | |
150 | } | |
151 | ||
152 | static void etherh_irq_disable(ecard_t *ec, int irqnr) | |
153 | { | |
154 | struct etherh_priv *eh = ec->irq_data; | |
155 | ||
156 | etherh_clr_ctrl(eh, ETHERH_CP_IE); | |
157 | } | |
158 | ||
159 | static expansioncard_ops_t etherh_ops = { | |
160 | .irqenable = etherh_irq_enable, | |
161 | .irqdisable = etherh_irq_disable, | |
162 | }; | |
163 | ||
164 | ||
165 | ||
166 | ||
167 | static void | |
168 | etherh_setif(struct net_device *dev) | |
169 | { | |
170 | struct ei_device *ei_local = netdev_priv(dev); | |
171 | unsigned long flags; | |
172 | void __iomem *addr; | |
173 | ||
174 | local_irq_save(flags); | |
175 | ||
176 | /* set the interface type */ | |
177 | switch (etherh_priv(dev)->id) { | |
178 | case PROD_I3_ETHERLAN600: | |
179 | case PROD_I3_ETHERLAN600A: | |
c7e78876 | 180 | addr = (void *)dev->base_addr + EN0_RCNTHI; |
1da177e4 LT |
181 | |
182 | switch (dev->if_port) { | |
183 | case IF_PORT_10BASE2: | |
184 | writeb((readb(addr) & 0xf8) | 1, addr); | |
185 | break; | |
186 | case IF_PORT_10BASET: | |
187 | writeb((readb(addr) & 0xf8), addr); | |
188 | break; | |
189 | } | |
190 | break; | |
191 | ||
192 | case PROD_I3_ETHERLAN500: | |
193 | switch (dev->if_port) { | |
194 | case IF_PORT_10BASE2: | |
195 | etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF); | |
196 | break; | |
197 | ||
198 | case IF_PORT_10BASET: | |
199 | etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF); | |
200 | break; | |
201 | } | |
202 | break; | |
203 | ||
204 | default: | |
205 | break; | |
206 | } | |
207 | ||
208 | local_irq_restore(flags); | |
209 | } | |
210 | ||
211 | static int | |
212 | etherh_getifstat(struct net_device *dev) | |
213 | { | |
214 | struct ei_device *ei_local = netdev_priv(dev); | |
215 | void __iomem *addr; | |
216 | int stat = 0; | |
217 | ||
218 | switch (etherh_priv(dev)->id) { | |
219 | case PROD_I3_ETHERLAN600: | |
220 | case PROD_I3_ETHERLAN600A: | |
c7e78876 | 221 | addr = (void *)dev->base_addr + EN0_RCNTHI; |
1da177e4 LT |
222 | switch (dev->if_port) { |
223 | case IF_PORT_10BASE2: | |
224 | stat = 1; | |
225 | break; | |
226 | case IF_PORT_10BASET: | |
227 | stat = readb(addr) & 4; | |
228 | break; | |
229 | } | |
230 | break; | |
231 | ||
232 | case PROD_I3_ETHERLAN500: | |
233 | switch (dev->if_port) { | |
234 | case IF_PORT_10BASE2: | |
235 | stat = 1; | |
236 | break; | |
237 | case IF_PORT_10BASET: | |
238 | stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT; | |
239 | break; | |
240 | } | |
241 | break; | |
242 | ||
243 | default: | |
244 | stat = 0; | |
245 | break; | |
246 | } | |
247 | ||
248 | return stat != 0; | |
249 | } | |
250 | ||
251 | /* | |
252 | * Configure the interface. Note that we ignore the other | |
253 | * parts of ifmap, since its mostly meaningless for this driver. | |
254 | */ | |
255 | static int etherh_set_config(struct net_device *dev, struct ifmap *map) | |
256 | { | |
257 | switch (map->port) { | |
258 | case IF_PORT_10BASE2: | |
259 | case IF_PORT_10BASET: | |
260 | /* | |
261 | * If the user explicitly sets the interface | |
262 | * media type, turn off automedia detection. | |
263 | */ | |
264 | dev->flags &= ~IFF_AUTOMEDIA; | |
265 | dev->if_port = map->port; | |
266 | break; | |
267 | ||
268 | default: | |
269 | return -EINVAL; | |
270 | } | |
271 | ||
272 | etherh_setif(dev); | |
273 | ||
274 | return 0; | |
275 | } | |
276 | ||
277 | /* | |
278 | * Reset the 8390 (hard reset). Note that we can't actually do this. | |
279 | */ | |
280 | static void | |
281 | etherh_reset(struct net_device *dev) | |
282 | { | |
283 | struct ei_device *ei_local = netdev_priv(dev); | |
c7e78876 | 284 | void __iomem *addr = (void *)dev->base_addr; |
1da177e4 LT |
285 | |
286 | writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); | |
287 | ||
288 | /* | |
289 | * See if we need to change the interface type. | |
290 | * Note that we use 'interface_num' as a flag | |
291 | * to indicate that we need to change the media. | |
292 | */ | |
293 | if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) { | |
294 | ei_local->interface_num = 0; | |
295 | ||
296 | if (dev->if_port == IF_PORT_10BASET) | |
297 | dev->if_port = IF_PORT_10BASE2; | |
298 | else | |
299 | dev->if_port = IF_PORT_10BASET; | |
300 | ||
301 | etherh_setif(dev); | |
302 | } | |
303 | } | |
304 | ||
305 | /* | |
306 | * Write a block of data out to the 8390 | |
307 | */ | |
308 | static void | |
309 | etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page) | |
310 | { | |
311 | struct ei_device *ei_local = netdev_priv(dev); | |
312 | unsigned long dma_start; | |
313 | void __iomem *dma_base, *addr; | |
314 | ||
315 | if (ei_local->dmaing) { | |
316 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " | |
317 | " DMAstat %d irqlock %d\n", dev->name, | |
318 | ei_local->dmaing, ei_local->irqlock); | |
319 | return; | |
320 | } | |
321 | ||
322 | /* | |
323 | * Make sure we have a round number of bytes if we're in word mode. | |
324 | */ | |
325 | if (count & 1 && ei_local->word16) | |
326 | count++; | |
327 | ||
328 | ei_local->dmaing = 1; | |
329 | ||
c7e78876 | 330 | addr = (void *)dev->base_addr; |
1da177e4 LT |
331 | dma_base = etherh_priv(dev)->dma_base; |
332 | ||
333 | count = (count + 1) & ~1; | |
334 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | |
335 | ||
336 | writeb (0x42, addr + EN0_RCNTLO); | |
337 | writeb (0x00, addr + EN0_RCNTHI); | |
338 | writeb (0x42, addr + EN0_RSARLO); | |
339 | writeb (0x00, addr + EN0_RSARHI); | |
340 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | |
341 | ||
342 | udelay (1); | |
343 | ||
344 | writeb (ENISR_RDC, addr + EN0_ISR); | |
345 | writeb (count, addr + EN0_RCNTLO); | |
346 | writeb (count >> 8, addr + EN0_RCNTHI); | |
347 | writeb (0, addr + EN0_RSARLO); | |
348 | writeb (start_page, addr + EN0_RSARHI); | |
349 | writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD); | |
350 | ||
351 | if (ei_local->word16) | |
352 | writesw (dma_base, buf, count >> 1); | |
353 | else | |
354 | writesb (dma_base, buf, count); | |
355 | ||
356 | dma_start = jiffies; | |
357 | ||
358 | while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0) | |
ff5688ae | 359 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ |
1da177e4 LT |
360 | printk(KERN_ERR "%s: timeout waiting for TX RDC\n", |
361 | dev->name); | |
362 | etherh_reset (dev); | |
363 | NS8390_init (dev, 1); | |
364 | break; | |
365 | } | |
366 | ||
367 | writeb (ENISR_RDC, addr + EN0_ISR); | |
368 | ei_local->dmaing = 0; | |
369 | } | |
370 | ||
371 | /* | |
372 | * Read a block of data from the 8390 | |
373 | */ | |
374 | static void | |
375 | etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) | |
376 | { | |
377 | struct ei_device *ei_local = netdev_priv(dev); | |
378 | unsigned char *buf; | |
379 | void __iomem *dma_base, *addr; | |
380 | ||
381 | if (ei_local->dmaing) { | |
382 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " | |
383 | " DMAstat %d irqlock %d\n", dev->name, | |
384 | ei_local->dmaing, ei_local->irqlock); | |
385 | return; | |
386 | } | |
387 | ||
388 | ei_local->dmaing = 1; | |
389 | ||
c7e78876 | 390 | addr = (void *)dev->base_addr; |
1da177e4 LT |
391 | dma_base = etherh_priv(dev)->dma_base; |
392 | ||
393 | buf = skb->data; | |
394 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | |
395 | writeb (count, addr + EN0_RCNTLO); | |
396 | writeb (count >> 8, addr + EN0_RCNTHI); | |
397 | writeb (ring_offset, addr + EN0_RSARLO); | |
398 | writeb (ring_offset >> 8, addr + EN0_RSARHI); | |
399 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | |
400 | ||
401 | if (ei_local->word16) { | |
402 | readsw (dma_base, buf, count >> 1); | |
403 | if (count & 1) | |
404 | buf[count - 1] = readb (dma_base); | |
405 | } else | |
406 | readsb (dma_base, buf, count); | |
407 | ||
408 | writeb (ENISR_RDC, addr + EN0_ISR); | |
409 | ei_local->dmaing = 0; | |
410 | } | |
411 | ||
412 | /* | |
413 | * Read a header from the 8390 | |
414 | */ | |
415 | static void | |
416 | etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) | |
417 | { | |
418 | struct ei_device *ei_local = netdev_priv(dev); | |
419 | void __iomem *dma_base, *addr; | |
420 | ||
421 | if (ei_local->dmaing) { | |
422 | printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: " | |
423 | " DMAstat %d irqlock %d\n", dev->name, | |
424 | ei_local->dmaing, ei_local->irqlock); | |
425 | return; | |
426 | } | |
427 | ||
428 | ei_local->dmaing = 1; | |
429 | ||
c7e78876 | 430 | addr = (void *)dev->base_addr; |
1da177e4 LT |
431 | dma_base = etherh_priv(dev)->dma_base; |
432 | ||
433 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | |
434 | writeb (sizeof (*hdr), addr + EN0_RCNTLO); | |
435 | writeb (0, addr + EN0_RCNTHI); | |
436 | writeb (0, addr + EN0_RSARLO); | |
437 | writeb (ring_page, addr + EN0_RSARHI); | |
438 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | |
439 | ||
440 | if (ei_local->word16) | |
441 | readsw (dma_base, hdr, sizeof (*hdr) >> 1); | |
442 | else | |
443 | readsb (dma_base, hdr, sizeof (*hdr)); | |
444 | ||
445 | writeb (ENISR_RDC, addr + EN0_ISR); | |
446 | ei_local->dmaing = 0; | |
447 | } | |
448 | ||
449 | /* | |
450 | * Open/initialize the board. This is called (in the current kernel) | |
451 | * sometime after booting when the 'ifconfig' program is run. | |
452 | * | |
453 | * This routine should set everything up anew at each open, even | |
454 | * registers that "should" only need to be set once at boot, so that | |
455 | * there is non-reboot way to recover if something goes wrong. | |
456 | */ | |
457 | static int | |
458 | etherh_open(struct net_device *dev) | |
459 | { | |
460 | struct ei_device *ei_local = netdev_priv(dev); | |
461 | ||
462 | if (!is_valid_ether_addr(dev->dev_addr)) { | |
463 | printk(KERN_WARNING "%s: invalid ethernet MAC address\n", | |
464 | dev->name); | |
465 | return -EINVAL; | |
466 | } | |
467 | ||
468 | if (request_irq(dev->irq, ei_interrupt, 0, dev->name, dev)) | |
469 | return -EAGAIN; | |
470 | ||
471 | /* | |
472 | * Make sure that we aren't going to change the | |
473 | * media type on the next reset - we are about to | |
474 | * do automedia manually now. | |
475 | */ | |
476 | ei_local->interface_num = 0; | |
477 | ||
478 | /* | |
479 | * If we are doing automedia detection, do it now. | |
480 | * This is more reliable than the 8390's detection. | |
481 | */ | |
482 | if (dev->flags & IFF_AUTOMEDIA) { | |
483 | dev->if_port = IF_PORT_10BASET; | |
484 | etherh_setif(dev); | |
485 | mdelay(1); | |
486 | if (!etherh_getifstat(dev)) { | |
487 | dev->if_port = IF_PORT_10BASE2; | |
488 | etherh_setif(dev); | |
489 | } | |
490 | } else | |
491 | etherh_setif(dev); | |
492 | ||
493 | etherh_reset(dev); | |
494 | ei_open(dev); | |
495 | ||
496 | return 0; | |
497 | } | |
498 | ||
499 | /* | |
500 | * The inverse routine to etherh_open(). | |
501 | */ | |
502 | static int | |
503 | etherh_close(struct net_device *dev) | |
504 | { | |
505 | ei_close (dev); | |
506 | free_irq (dev->irq, dev); | |
507 | return 0; | |
508 | } | |
509 | ||
510 | /* | |
511 | * Initialisation | |
512 | */ | |
513 | ||
514 | static void __init etherh_banner(void) | |
515 | { | |
516 | static int version_printed; | |
517 | ||
518 | if (net_debug && version_printed++ == 0) | |
519 | printk(KERN_INFO "%s", version); | |
520 | } | |
521 | ||
522 | /* | |
523 | * Read the ethernet address string from the on board rom. | |
524 | * This is an ascii string... | |
525 | */ | |
526 | static int __init etherh_addr(char *addr, struct expansion_card *ec) | |
527 | { | |
528 | struct in_chunk_dir cd; | |
529 | char *s; | |
530 | ||
531 | if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { | |
532 | printk(KERN_ERR "%s: unable to read podule description string\n", | |
533 | ec->dev.bus_id); | |
534 | goto no_addr; | |
535 | } | |
536 | ||
537 | s = strchr(cd.d.string, '('); | |
538 | if (s) { | |
539 | int i; | |
540 | ||
541 | for (i = 0; i < 6; i++) { | |
542 | addr[i] = simple_strtoul(s + 1, &s, 0x10); | |
543 | if (*s != (i == 5? ')' : ':')) | |
544 | break; | |
545 | } | |
546 | ||
547 | if (i == 6) | |
548 | return 0; | |
549 | } | |
550 | ||
551 | printk(KERN_ERR "%s: unable to parse MAC address: %s\n", | |
552 | ec->dev.bus_id, cd.d.string); | |
553 | ||
554 | no_addr: | |
555 | return -ENODEV; | |
556 | } | |
557 | ||
558 | /* | |
559 | * Create an ethernet address from the system serial number. | |
560 | */ | |
561 | static int __init etherm_addr(char *addr) | |
562 | { | |
563 | unsigned int serial; | |
564 | ||
565 | if (system_serial_low == 0 && system_serial_high == 0) | |
566 | return -ENODEV; | |
567 | ||
568 | serial = system_serial_low | system_serial_high; | |
569 | ||
570 | addr[0] = 0; | |
571 | addr[1] = 0; | |
572 | addr[2] = 0xa4; | |
573 | addr[3] = 0x10 + (serial >> 24); | |
574 | addr[4] = serial >> 16; | |
575 | addr[5] = serial >> 8; | |
576 | return 0; | |
577 | } | |
578 | ||
579 | static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
580 | { | |
581 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); | |
582 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | |
583 | strlcpy(info->bus_info, dev->class_dev.dev->bus_id, | |
584 | sizeof(info->bus_info)); | |
585 | } | |
586 | ||
587 | static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
588 | { | |
589 | cmd->supported = etherh_priv(dev)->supported; | |
590 | cmd->speed = SPEED_10; | |
591 | cmd->duplex = DUPLEX_HALF; | |
592 | cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC; | |
593 | cmd->autoneg = dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
594 | return 0; | |
595 | } | |
596 | ||
597 | static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
598 | { | |
599 | switch (cmd->autoneg) { | |
600 | case AUTONEG_ENABLE: | |
601 | dev->flags |= IFF_AUTOMEDIA; | |
602 | break; | |
603 | ||
604 | case AUTONEG_DISABLE: | |
605 | switch (cmd->port) { | |
606 | case PORT_TP: | |
607 | dev->if_port = IF_PORT_10BASET; | |
608 | break; | |
609 | ||
610 | case PORT_BNC: | |
611 | dev->if_port = IF_PORT_10BASE2; | |
612 | break; | |
613 | ||
614 | default: | |
615 | return -EINVAL; | |
616 | } | |
617 | dev->flags &= ~IFF_AUTOMEDIA; | |
618 | break; | |
619 | ||
620 | default: | |
621 | return -EINVAL; | |
622 | } | |
623 | ||
624 | etherh_setif(dev); | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | static struct ethtool_ops etherh_ethtool_ops = { | |
630 | .get_settings = etherh_get_settings, | |
631 | .set_settings = etherh_set_settings, | |
632 | .get_drvinfo = etherh_get_drvinfo, | |
633 | }; | |
634 | ||
635 | static u32 etherh_regoffsets[16]; | |
636 | static u32 etherm_regoffsets[16]; | |
637 | ||
638 | static int __init | |
639 | etherh_probe(struct expansion_card *ec, const struct ecard_id *id) | |
640 | { | |
641 | const struct etherh_data *data = id->data; | |
642 | struct ei_device *ei_local; | |
643 | struct net_device *dev; | |
644 | struct etherh_priv *eh; | |
645 | int i, ret; | |
646 | ||
647 | etherh_banner(); | |
648 | ||
649 | ret = ecard_request_resources(ec); | |
650 | if (ret) | |
651 | goto out; | |
652 | ||
653 | dev = __alloc_ei_netdev(sizeof(struct etherh_priv)); | |
654 | if (!dev) { | |
655 | ret = -ENOMEM; | |
656 | goto release; | |
657 | } | |
658 | ||
659 | SET_MODULE_OWNER(dev); | |
660 | SET_NETDEV_DEV(dev, &ec->dev); | |
661 | ||
662 | dev->open = etherh_open; | |
663 | dev->stop = etherh_close; | |
664 | dev->set_config = etherh_set_config; | |
665 | dev->irq = ec->irq; | |
666 | dev->ethtool_ops = ðerh_ethtool_ops; | |
667 | ||
668 | if (data->supported & SUPPORTED_Autoneg) | |
669 | dev->flags |= IFF_AUTOMEDIA; | |
670 | if (data->supported & SUPPORTED_TP) { | |
671 | dev->flags |= IFF_PORTSEL; | |
672 | dev->if_port = IF_PORT_10BASET; | |
673 | } else if (data->supported & SUPPORTED_BNC) { | |
674 | dev->flags |= IFF_PORTSEL; | |
675 | dev->if_port = IF_PORT_10BASE2; | |
676 | } else | |
677 | dev->if_port = IF_PORT_UNKNOWN; | |
678 | ||
679 | eh = etherh_priv(dev); | |
680 | eh->supported = data->supported; | |
681 | eh->ctrl = 0; | |
682 | eh->id = ec->cid.product; | |
683 | eh->memc = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE); | |
684 | if (!eh->memc) { | |
685 | ret = -ENOMEM; | |
686 | goto free; | |
687 | } | |
688 | ||
689 | eh->ctrl_port = eh->memc; | |
690 | if (data->ctrl_ioc) { | |
691 | eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE); | |
692 | if (!eh->ioc_fast) { | |
693 | ret = -ENOMEM; | |
694 | goto free; | |
695 | } | |
696 | eh->ctrl_port = eh->ioc_fast; | |
697 | } | |
698 | ||
c7e78876 | 699 | dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset; |
1da177e4 LT |
700 | eh->dma_base = eh->memc + data->dataport_offset; |
701 | eh->ctrl_port += data->ctrlport_offset; | |
702 | ||
703 | /* | |
704 | * IRQ and control port handling - only for non-NIC slot cards. | |
705 | */ | |
706 | if (ec->slot_no != 8) { | |
707 | ec->ops = ðerh_ops; | |
708 | ec->irq_data = eh; | |
709 | } else { | |
710 | /* | |
711 | * If we're in the NIC slot, make sure the IRQ is enabled | |
712 | */ | |
713 | etherh_set_ctrl(eh, ETHERH_CP_IE); | |
714 | } | |
715 | ||
716 | ei_local = netdev_priv(dev); | |
717 | spin_lock_init(&ei_local->page_lock); | |
718 | ||
719 | if (ec->cid.product == PROD_ANT_ETHERM) { | |
720 | etherm_addr(dev->dev_addr); | |
721 | ei_local->reg_offset = etherm_regoffsets; | |
722 | } else { | |
723 | etherh_addr(dev->dev_addr, ec); | |
724 | ei_local->reg_offset = etherh_regoffsets; | |
725 | } | |
726 | ||
727 | ei_local->name = dev->name; | |
728 | ei_local->word16 = 1; | |
729 | ei_local->tx_start_page = data->tx_start_page; | |
730 | ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES; | |
731 | ei_local->stop_page = data->stop_page; | |
732 | ei_local->reset_8390 = etherh_reset; | |
733 | ei_local->block_input = etherh_block_input; | |
734 | ei_local->block_output = etherh_block_output; | |
735 | ei_local->get_8390_hdr = etherh_get_header; | |
736 | ei_local->interface_num = 0; | |
737 | ||
738 | etherh_reset(dev); | |
739 | NS8390_init(dev, 0); | |
740 | ||
741 | ret = register_netdev(dev); | |
742 | if (ret) | |
743 | goto free; | |
744 | ||
745 | printk(KERN_INFO "%s: %s in slot %d, ", | |
746 | dev->name, data->name, ec->slot_no); | |
747 | ||
748 | for (i = 0; i < 6; i++) | |
749 | printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':'); | |
750 | ||
751 | ecard_set_drvdata(ec, dev); | |
752 | ||
753 | return 0; | |
754 | ||
755 | free: | |
756 | if (eh->ioc_fast) | |
757 | iounmap(eh->ioc_fast); | |
758 | if (eh->memc) | |
759 | iounmap(eh->memc); | |
760 | free_netdev(dev); | |
761 | release: | |
762 | ecard_release_resources(ec); | |
763 | out: | |
764 | return ret; | |
765 | } | |
766 | ||
767 | static void __devexit etherh_remove(struct expansion_card *ec) | |
768 | { | |
769 | struct net_device *dev = ecard_get_drvdata(ec); | |
770 | struct etherh_priv *eh = etherh_priv(dev); | |
771 | ||
772 | ecard_set_drvdata(ec, NULL); | |
773 | ||
774 | unregister_netdev(dev); | |
775 | ec->ops = NULL; | |
776 | ||
777 | if (eh->ioc_fast) | |
778 | iounmap(eh->ioc_fast); | |
779 | iounmap(eh->memc); | |
780 | ||
781 | free_netdev(dev); | |
782 | ||
783 | ecard_release_resources(ec); | |
784 | } | |
785 | ||
786 | static struct etherh_data etherm_data = { | |
787 | .ns8390_offset = ETHERM_NS8390, | |
788 | .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT, | |
789 | .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT, | |
790 | .name = "ANT EtherM", | |
791 | .supported = SUPPORTED_10baseT_Half, | |
792 | .tx_start_page = ETHERM_TX_START_PAGE, | |
793 | .stop_page = ETHERM_STOP_PAGE, | |
794 | }; | |
795 | ||
796 | static struct etherh_data etherlan500_data = { | |
797 | .ns8390_offset = ETHERH500_NS8390, | |
798 | .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT, | |
799 | .ctrlport_offset = ETHERH500_CTRLPORT, | |
800 | .ctrl_ioc = 1, | |
801 | .name = "i3 EtherH 500", | |
802 | .supported = SUPPORTED_10baseT_Half, | |
803 | .tx_start_page = ETHERH_TX_START_PAGE, | |
804 | .stop_page = ETHERH_STOP_PAGE, | |
805 | }; | |
806 | ||
807 | static struct etherh_data etherlan600_data = { | |
808 | .ns8390_offset = ETHERH600_NS8390, | |
809 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, | |
810 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, | |
811 | .name = "i3 EtherH 600", | |
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 | ||
817 | static struct etherh_data etherlan600a_data = { | |
818 | .ns8390_offset = ETHERH600_NS8390, | |
819 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, | |
820 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, | |
821 | .name = "i3 EtherH 600A", | |
822 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, | |
823 | .tx_start_page = ETHERH_TX_START_PAGE, | |
824 | .stop_page = ETHERH_STOP_PAGE, | |
825 | }; | |
826 | ||
827 | static const struct ecard_id etherh_ids[] = { | |
828 | { MANU_ANT, PROD_ANT_ETHERM, ðerm_data }, | |
829 | { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data }, | |
830 | { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data }, | |
831 | { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data }, | |
832 | { 0xffff, 0xffff } | |
833 | }; | |
834 | ||
835 | static struct ecard_driver etherh_driver = { | |
836 | .probe = etherh_probe, | |
837 | .remove = __devexit_p(etherh_remove), | |
838 | .id_table = etherh_ids, | |
839 | .drv = { | |
840 | .name = DRV_NAME, | |
841 | }, | |
842 | }; | |
843 | ||
844 | static int __init etherh_init(void) | |
845 | { | |
846 | int i; | |
847 | ||
848 | for (i = 0; i < 16; i++) { | |
849 | etherh_regoffsets[i] = i << 2; | |
850 | etherm_regoffsets[i] = i << 5; | |
851 | } | |
852 | ||
853 | return ecard_register_driver(ðerh_driver); | |
854 | } | |
855 | ||
856 | static void __exit etherh_exit(void) | |
857 | { | |
858 | ecard_remove_driver(ðerh_driver); | |
859 | } | |
860 | ||
861 | module_init(etherh_init); | |
862 | module_exit(etherh_exit); |