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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 | 54 | |
6c3561b0 AV |
55 | #define EI_SHIFT(x) (ei_local->reg_offset[x]) |
56 | ||
57 | #define ei_inb(_p) readb(_p) | |
58 | #define ei_outb(_v,_p) writeb(_v,_p) | |
59 | #define ei_inb_p(_p) readb(_p) | |
60 | #define ei_outb_p(_v,_p) writeb(_v,_p) | |
1da177e4 LT |
61 | |
62 | #define NET_DEBUG 0 | |
63 | #define DEBUG_INIT 2 | |
64 | ||
65 | #define DRV_NAME "etherh" | |
66 | #define DRV_VERSION "1.11" | |
67 | ||
6c3561b0 AV |
68 | static char version[] __initdata = |
69 | "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; | |
70 | ||
71 | #include "../lib8390.c" | |
72 | ||
1da177e4 LT |
73 | static unsigned int net_debug = NET_DEBUG; |
74 | ||
75 | struct etherh_priv { | |
76 | void __iomem *ioc_fast; | |
77 | void __iomem *memc; | |
78 | void __iomem *dma_base; | |
79 | unsigned int id; | |
80 | void __iomem *ctrl_port; | |
81 | unsigned char ctrl; | |
82 | u32 supported; | |
83 | }; | |
84 | ||
85 | struct etherh_data { | |
86 | unsigned long ns8390_offset; | |
87 | unsigned long dataport_offset; | |
88 | unsigned long ctrlport_offset; | |
89 | int ctrl_ioc; | |
90 | const char name[16]; | |
91 | u32 supported; | |
92 | unsigned char tx_start_page; | |
93 | unsigned char stop_page; | |
94 | }; | |
95 | ||
96 | MODULE_AUTHOR("Russell King"); | |
97 | MODULE_DESCRIPTION("EtherH/EtherM driver"); | |
98 | MODULE_LICENSE("GPL"); | |
99 | ||
1da177e4 LT |
100 | #define ETHERH500_DATAPORT 0x800 /* MEMC */ |
101 | #define ETHERH500_NS8390 0x000 /* MEMC */ | |
102 | #define ETHERH500_CTRLPORT 0x800 /* IOC */ | |
103 | ||
104 | #define ETHERH600_DATAPORT 0x040 /* MEMC */ | |
105 | #define ETHERH600_NS8390 0x800 /* MEMC */ | |
106 | #define ETHERH600_CTRLPORT 0x200 /* MEMC */ | |
107 | ||
108 | #define ETHERH_CP_IE 1 | |
109 | #define ETHERH_CP_IF 2 | |
110 | #define ETHERH_CP_HEARTBEAT 2 | |
111 | ||
112 | #define ETHERH_TX_START_PAGE 1 | |
113 | #define ETHERH_STOP_PAGE 127 | |
114 | ||
115 | /* | |
116 | * These came from CK/TEW | |
117 | */ | |
118 | #define ETHERM_DATAPORT 0x200 /* MEMC */ | |
119 | #define ETHERM_NS8390 0x800 /* MEMC */ | |
120 | #define ETHERM_CTRLPORT 0x23c /* MEMC */ | |
121 | ||
122 | #define ETHERM_TX_START_PAGE 64 | |
123 | #define ETHERM_STOP_PAGE 127 | |
124 | ||
125 | /* ------------------------------------------------------------------------ */ | |
126 | ||
127 | #define etherh_priv(dev) \ | |
128 | ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device))) | |
129 | ||
130 | static inline void etherh_set_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 void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask) | |
138 | { | |
139 | unsigned char ctrl = eh->ctrl & ~mask; | |
140 | eh->ctrl = ctrl; | |
141 | writeb(ctrl, eh->ctrl_port); | |
142 | } | |
143 | ||
144 | static inline unsigned int etherh_get_stat(struct etherh_priv *eh) | |
145 | { | |
146 | return readb(eh->ctrl_port); | |
147 | } | |
148 | ||
149 | ||
150 | ||
151 | ||
152 | static void etherh_irq_enable(ecard_t *ec, int irqnr) | |
153 | { | |
154 | struct etherh_priv *eh = ec->irq_data; | |
155 | ||
156 | etherh_set_ctrl(eh, ETHERH_CP_IE); | |
157 | } | |
158 | ||
159 | static void etherh_irq_disable(ecard_t *ec, int irqnr) | |
160 | { | |
161 | struct etherh_priv *eh = ec->irq_data; | |
162 | ||
163 | etherh_clr_ctrl(eh, ETHERH_CP_IE); | |
164 | } | |
165 | ||
166 | static expansioncard_ops_t etherh_ops = { | |
167 | .irqenable = etherh_irq_enable, | |
168 | .irqdisable = etherh_irq_disable, | |
169 | }; | |
170 | ||
171 | ||
172 | ||
173 | ||
174 | static void | |
175 | etherh_setif(struct net_device *dev) | |
176 | { | |
177 | struct ei_device *ei_local = netdev_priv(dev); | |
178 | unsigned long flags; | |
179 | void __iomem *addr; | |
180 | ||
181 | local_irq_save(flags); | |
182 | ||
183 | /* set the interface type */ | |
184 | switch (etherh_priv(dev)->id) { | |
185 | case PROD_I3_ETHERLAN600: | |
186 | case PROD_I3_ETHERLAN600A: | |
c7e78876 | 187 | addr = (void *)dev->base_addr + EN0_RCNTHI; |
1da177e4 LT |
188 | |
189 | switch (dev->if_port) { | |
190 | case IF_PORT_10BASE2: | |
191 | writeb((readb(addr) & 0xf8) | 1, addr); | |
192 | break; | |
193 | case IF_PORT_10BASET: | |
194 | writeb((readb(addr) & 0xf8), addr); | |
195 | break; | |
196 | } | |
197 | break; | |
198 | ||
199 | case PROD_I3_ETHERLAN500: | |
200 | switch (dev->if_port) { | |
201 | case IF_PORT_10BASE2: | |
202 | etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF); | |
203 | break; | |
204 | ||
205 | case IF_PORT_10BASET: | |
206 | etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF); | |
207 | break; | |
208 | } | |
209 | break; | |
210 | ||
211 | default: | |
212 | break; | |
213 | } | |
214 | ||
215 | local_irq_restore(flags); | |
216 | } | |
217 | ||
218 | static int | |
219 | etherh_getifstat(struct net_device *dev) | |
220 | { | |
221 | struct ei_device *ei_local = netdev_priv(dev); | |
222 | void __iomem *addr; | |
223 | int stat = 0; | |
224 | ||
225 | switch (etherh_priv(dev)->id) { | |
226 | case PROD_I3_ETHERLAN600: | |
227 | case PROD_I3_ETHERLAN600A: | |
c7e78876 | 228 | addr = (void *)dev->base_addr + EN0_RCNTHI; |
1da177e4 LT |
229 | switch (dev->if_port) { |
230 | case IF_PORT_10BASE2: | |
231 | stat = 1; | |
232 | break; | |
233 | case IF_PORT_10BASET: | |
234 | stat = readb(addr) & 4; | |
235 | break; | |
236 | } | |
237 | break; | |
238 | ||
239 | case PROD_I3_ETHERLAN500: | |
240 | switch (dev->if_port) { | |
241 | case IF_PORT_10BASE2: | |
242 | stat = 1; | |
243 | break; | |
244 | case IF_PORT_10BASET: | |
245 | stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT; | |
246 | break; | |
247 | } | |
248 | break; | |
249 | ||
250 | default: | |
251 | stat = 0; | |
252 | break; | |
253 | } | |
254 | ||
255 | return stat != 0; | |
256 | } | |
257 | ||
258 | /* | |
259 | * Configure the interface. Note that we ignore the other | |
260 | * parts of ifmap, since its mostly meaningless for this driver. | |
261 | */ | |
262 | static int etherh_set_config(struct net_device *dev, struct ifmap *map) | |
263 | { | |
264 | switch (map->port) { | |
265 | case IF_PORT_10BASE2: | |
266 | case IF_PORT_10BASET: | |
267 | /* | |
268 | * If the user explicitly sets the interface | |
269 | * media type, turn off automedia detection. | |
270 | */ | |
271 | dev->flags &= ~IFF_AUTOMEDIA; | |
272 | dev->if_port = map->port; | |
273 | break; | |
274 | ||
275 | default: | |
276 | return -EINVAL; | |
277 | } | |
278 | ||
279 | etherh_setif(dev); | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
284 | /* | |
285 | * Reset the 8390 (hard reset). Note that we can't actually do this. | |
286 | */ | |
287 | static void | |
288 | etherh_reset(struct net_device *dev) | |
289 | { | |
290 | struct ei_device *ei_local = netdev_priv(dev); | |
c7e78876 | 291 | void __iomem *addr = (void *)dev->base_addr; |
1da177e4 LT |
292 | |
293 | writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); | |
294 | ||
295 | /* | |
296 | * See if we need to change the interface type. | |
297 | * Note that we use 'interface_num' as a flag | |
298 | * to indicate that we need to change the media. | |
299 | */ | |
300 | if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) { | |
301 | ei_local->interface_num = 0; | |
302 | ||
303 | if (dev->if_port == IF_PORT_10BASET) | |
304 | dev->if_port = IF_PORT_10BASE2; | |
305 | else | |
306 | dev->if_port = IF_PORT_10BASET; | |
307 | ||
308 | etherh_setif(dev); | |
309 | } | |
310 | } | |
311 | ||
312 | /* | |
313 | * Write a block of data out to the 8390 | |
314 | */ | |
315 | static void | |
316 | etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page) | |
317 | { | |
318 | struct ei_device *ei_local = netdev_priv(dev); | |
319 | unsigned long dma_start; | |
320 | void __iomem *dma_base, *addr; | |
321 | ||
322 | if (ei_local->dmaing) { | |
323 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " | |
324 | " DMAstat %d irqlock %d\n", dev->name, | |
325 | ei_local->dmaing, ei_local->irqlock); | |
326 | return; | |
327 | } | |
328 | ||
329 | /* | |
330 | * Make sure we have a round number of bytes if we're in word mode. | |
331 | */ | |
332 | if (count & 1 && ei_local->word16) | |
333 | count++; | |
334 | ||
335 | ei_local->dmaing = 1; | |
336 | ||
c7e78876 | 337 | addr = (void *)dev->base_addr; |
1da177e4 LT |
338 | dma_base = etherh_priv(dev)->dma_base; |
339 | ||
340 | count = (count + 1) & ~1; | |
341 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | |
342 | ||
343 | writeb (0x42, addr + EN0_RCNTLO); | |
344 | writeb (0x00, addr + EN0_RCNTHI); | |
345 | writeb (0x42, addr + EN0_RSARLO); | |
346 | writeb (0x00, addr + EN0_RSARHI); | |
347 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | |
348 | ||
349 | udelay (1); | |
350 | ||
351 | writeb (ENISR_RDC, addr + EN0_ISR); | |
352 | writeb (count, addr + EN0_RCNTLO); | |
353 | writeb (count >> 8, addr + EN0_RCNTHI); | |
354 | writeb (0, addr + EN0_RSARLO); | |
355 | writeb (start_page, addr + EN0_RSARHI); | |
356 | writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD); | |
357 | ||
358 | if (ei_local->word16) | |
359 | writesw (dma_base, buf, count >> 1); | |
360 | else | |
361 | writesb (dma_base, buf, count); | |
362 | ||
363 | dma_start = jiffies; | |
364 | ||
365 | while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0) | |
ff5688ae | 366 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ |
1da177e4 LT |
367 | printk(KERN_ERR "%s: timeout waiting for TX RDC\n", |
368 | dev->name); | |
369 | etherh_reset (dev); | |
6c3561b0 | 370 | __NS8390_init (dev, 1); |
1da177e4 LT |
371 | break; |
372 | } | |
373 | ||
374 | writeb (ENISR_RDC, addr + EN0_ISR); | |
375 | ei_local->dmaing = 0; | |
376 | } | |
377 | ||
378 | /* | |
379 | * Read a block of data from the 8390 | |
380 | */ | |
381 | static void | |
382 | etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) | |
383 | { | |
384 | struct ei_device *ei_local = netdev_priv(dev); | |
385 | unsigned char *buf; | |
386 | void __iomem *dma_base, *addr; | |
387 | ||
388 | if (ei_local->dmaing) { | |
389 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " | |
390 | " DMAstat %d irqlock %d\n", dev->name, | |
391 | ei_local->dmaing, ei_local->irqlock); | |
392 | return; | |
393 | } | |
394 | ||
395 | ei_local->dmaing = 1; | |
396 | ||
c7e78876 | 397 | addr = (void *)dev->base_addr; |
1da177e4 LT |
398 | dma_base = etherh_priv(dev)->dma_base; |
399 | ||
400 | buf = skb->data; | |
401 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | |
402 | writeb (count, addr + EN0_RCNTLO); | |
403 | writeb (count >> 8, addr + EN0_RCNTHI); | |
404 | writeb (ring_offset, addr + EN0_RSARLO); | |
405 | writeb (ring_offset >> 8, addr + EN0_RSARHI); | |
406 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | |
407 | ||
408 | if (ei_local->word16) { | |
409 | readsw (dma_base, buf, count >> 1); | |
410 | if (count & 1) | |
411 | buf[count - 1] = readb (dma_base); | |
412 | } else | |
413 | readsb (dma_base, buf, count); | |
414 | ||
415 | writeb (ENISR_RDC, addr + EN0_ISR); | |
416 | ei_local->dmaing = 0; | |
417 | } | |
418 | ||
419 | /* | |
420 | * Read a header from the 8390 | |
421 | */ | |
422 | static void | |
423 | etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) | |
424 | { | |
425 | struct ei_device *ei_local = netdev_priv(dev); | |
426 | void __iomem *dma_base, *addr; | |
427 | ||
428 | if (ei_local->dmaing) { | |
429 | printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: " | |
430 | " DMAstat %d irqlock %d\n", dev->name, | |
431 | ei_local->dmaing, ei_local->irqlock); | |
432 | return; | |
433 | } | |
434 | ||
435 | ei_local->dmaing = 1; | |
436 | ||
c7e78876 | 437 | addr = (void *)dev->base_addr; |
1da177e4 LT |
438 | dma_base = etherh_priv(dev)->dma_base; |
439 | ||
440 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | |
441 | writeb (sizeof (*hdr), addr + EN0_RCNTLO); | |
442 | writeb (0, addr + EN0_RCNTHI); | |
443 | writeb (0, addr + EN0_RSARLO); | |
444 | writeb (ring_page, addr + EN0_RSARHI); | |
445 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | |
446 | ||
447 | if (ei_local->word16) | |
448 | readsw (dma_base, hdr, sizeof (*hdr) >> 1); | |
449 | else | |
450 | readsb (dma_base, hdr, sizeof (*hdr)); | |
451 | ||
452 | writeb (ENISR_RDC, addr + EN0_ISR); | |
453 | ei_local->dmaing = 0; | |
454 | } | |
455 | ||
456 | /* | |
457 | * Open/initialize the board. This is called (in the current kernel) | |
458 | * sometime after booting when the 'ifconfig' program is run. | |
459 | * | |
460 | * This routine should set everything up anew at each open, even | |
461 | * registers that "should" only need to be set once at boot, so that | |
462 | * there is non-reboot way to recover if something goes wrong. | |
463 | */ | |
464 | static int | |
465 | etherh_open(struct net_device *dev) | |
466 | { | |
467 | struct ei_device *ei_local = netdev_priv(dev); | |
468 | ||
469 | if (!is_valid_ether_addr(dev->dev_addr)) { | |
470 | printk(KERN_WARNING "%s: invalid ethernet MAC address\n", | |
471 | dev->name); | |
472 | return -EINVAL; | |
473 | } | |
474 | ||
6c3561b0 | 475 | if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev)) |
1da177e4 LT |
476 | return -EAGAIN; |
477 | ||
478 | /* | |
479 | * Make sure that we aren't going to change the | |
480 | * media type on the next reset - we are about to | |
481 | * do automedia manually now. | |
482 | */ | |
483 | ei_local->interface_num = 0; | |
484 | ||
485 | /* | |
486 | * If we are doing automedia detection, do it now. | |
487 | * This is more reliable than the 8390's detection. | |
488 | */ | |
489 | if (dev->flags & IFF_AUTOMEDIA) { | |
490 | dev->if_port = IF_PORT_10BASET; | |
491 | etherh_setif(dev); | |
492 | mdelay(1); | |
493 | if (!etherh_getifstat(dev)) { | |
494 | dev->if_port = IF_PORT_10BASE2; | |
495 | etherh_setif(dev); | |
496 | } | |
497 | } else | |
498 | etherh_setif(dev); | |
499 | ||
500 | etherh_reset(dev); | |
6c3561b0 | 501 | __ei_open(dev); |
1da177e4 LT |
502 | |
503 | return 0; | |
504 | } | |
505 | ||
506 | /* | |
507 | * The inverse routine to etherh_open(). | |
508 | */ | |
509 | static int | |
510 | etherh_close(struct net_device *dev) | |
511 | { | |
6c3561b0 | 512 | __ei_close (dev); |
1da177e4 LT |
513 | free_irq (dev->irq, dev); |
514 | return 0; | |
515 | } | |
516 | ||
517 | /* | |
518 | * Initialisation | |
519 | */ | |
520 | ||
521 | static void __init etherh_banner(void) | |
522 | { | |
523 | static int version_printed; | |
524 | ||
525 | if (net_debug && version_printed++ == 0) | |
526 | printk(KERN_INFO "%s", version); | |
527 | } | |
528 | ||
529 | /* | |
530 | * Read the ethernet address string from the on board rom. | |
531 | * This is an ascii string... | |
532 | */ | |
533 | static int __init etherh_addr(char *addr, struct expansion_card *ec) | |
534 | { | |
535 | struct in_chunk_dir cd; | |
536 | char *s; | |
537 | ||
538 | if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { | |
539 | printk(KERN_ERR "%s: unable to read podule description string\n", | |
540 | ec->dev.bus_id); | |
541 | goto no_addr; | |
542 | } | |
543 | ||
544 | s = strchr(cd.d.string, '('); | |
545 | if (s) { | |
546 | int i; | |
547 | ||
548 | for (i = 0; i < 6; i++) { | |
549 | addr[i] = simple_strtoul(s + 1, &s, 0x10); | |
550 | if (*s != (i == 5? ')' : ':')) | |
551 | break; | |
552 | } | |
553 | ||
554 | if (i == 6) | |
555 | return 0; | |
556 | } | |
557 | ||
558 | printk(KERN_ERR "%s: unable to parse MAC address: %s\n", | |
559 | ec->dev.bus_id, cd.d.string); | |
560 | ||
561 | no_addr: | |
562 | return -ENODEV; | |
563 | } | |
564 | ||
565 | /* | |
566 | * Create an ethernet address from the system serial number. | |
567 | */ | |
568 | static int __init etherm_addr(char *addr) | |
569 | { | |
570 | unsigned int serial; | |
571 | ||
572 | if (system_serial_low == 0 && system_serial_high == 0) | |
573 | return -ENODEV; | |
574 | ||
575 | serial = system_serial_low | system_serial_high; | |
576 | ||
577 | addr[0] = 0; | |
578 | addr[1] = 0; | |
579 | addr[2] = 0xa4; | |
580 | addr[3] = 0x10 + (serial >> 24); | |
581 | addr[4] = serial >> 16; | |
582 | addr[5] = serial >> 8; | |
583 | return 0; | |
584 | } | |
585 | ||
586 | static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
587 | { | |
588 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); | |
589 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | |
590 | strlcpy(info->bus_info, dev->class_dev.dev->bus_id, | |
591 | sizeof(info->bus_info)); | |
592 | } | |
593 | ||
594 | static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
595 | { | |
596 | cmd->supported = etherh_priv(dev)->supported; | |
597 | cmd->speed = SPEED_10; | |
598 | cmd->duplex = DUPLEX_HALF; | |
599 | cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC; | |
600 | cmd->autoneg = dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
601 | return 0; | |
602 | } | |
603 | ||
604 | static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
605 | { | |
606 | switch (cmd->autoneg) { | |
607 | case AUTONEG_ENABLE: | |
608 | dev->flags |= IFF_AUTOMEDIA; | |
609 | break; | |
610 | ||
611 | case AUTONEG_DISABLE: | |
612 | switch (cmd->port) { | |
613 | case PORT_TP: | |
614 | dev->if_port = IF_PORT_10BASET; | |
615 | break; | |
616 | ||
617 | case PORT_BNC: | |
618 | dev->if_port = IF_PORT_10BASE2; | |
619 | break; | |
620 | ||
621 | default: | |
622 | return -EINVAL; | |
623 | } | |
624 | dev->flags &= ~IFF_AUTOMEDIA; | |
625 | break; | |
626 | ||
627 | default: | |
628 | return -EINVAL; | |
629 | } | |
630 | ||
631 | etherh_setif(dev); | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
7282d491 | 636 | static const struct ethtool_ops etherh_ethtool_ops = { |
1da177e4 LT |
637 | .get_settings = etherh_get_settings, |
638 | .set_settings = etherh_set_settings, | |
639 | .get_drvinfo = etherh_get_drvinfo, | |
640 | }; | |
641 | ||
642 | static u32 etherh_regoffsets[16]; | |
643 | static u32 etherm_regoffsets[16]; | |
644 | ||
645 | static int __init | |
646 | etherh_probe(struct expansion_card *ec, const struct ecard_id *id) | |
647 | { | |
648 | const struct etherh_data *data = id->data; | |
649 | struct ei_device *ei_local; | |
650 | struct net_device *dev; | |
651 | struct etherh_priv *eh; | |
652 | int i, ret; | |
653 | ||
654 | etherh_banner(); | |
655 | ||
656 | ret = ecard_request_resources(ec); | |
657 | if (ret) | |
658 | goto out; | |
659 | ||
6c3561b0 | 660 | dev = ____alloc_ei_netdev(sizeof(struct etherh_priv)); |
1da177e4 LT |
661 | if (!dev) { |
662 | ret = -ENOMEM; | |
663 | goto release; | |
664 | } | |
665 | ||
666 | SET_MODULE_OWNER(dev); | |
667 | SET_NETDEV_DEV(dev, &ec->dev); | |
668 | ||
669 | dev->open = etherh_open; | |
670 | dev->stop = etherh_close; | |
671 | dev->set_config = etherh_set_config; | |
672 | dev->irq = ec->irq; | |
673 | dev->ethtool_ops = ðerh_ethtool_ops; | |
674 | ||
675 | if (data->supported & SUPPORTED_Autoneg) | |
676 | dev->flags |= IFF_AUTOMEDIA; | |
677 | if (data->supported & SUPPORTED_TP) { | |
678 | dev->flags |= IFF_PORTSEL; | |
679 | dev->if_port = IF_PORT_10BASET; | |
680 | } else if (data->supported & SUPPORTED_BNC) { | |
681 | dev->flags |= IFF_PORTSEL; | |
682 | dev->if_port = IF_PORT_10BASE2; | |
683 | } else | |
684 | dev->if_port = IF_PORT_UNKNOWN; | |
685 | ||
686 | eh = etherh_priv(dev); | |
687 | eh->supported = data->supported; | |
688 | eh->ctrl = 0; | |
689 | eh->id = ec->cid.product; | |
690 | eh->memc = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE); | |
691 | if (!eh->memc) { | |
692 | ret = -ENOMEM; | |
693 | goto free; | |
694 | } | |
695 | ||
696 | eh->ctrl_port = eh->memc; | |
697 | if (data->ctrl_ioc) { | |
698 | eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE); | |
699 | if (!eh->ioc_fast) { | |
700 | ret = -ENOMEM; | |
701 | goto free; | |
702 | } | |
703 | eh->ctrl_port = eh->ioc_fast; | |
704 | } | |
705 | ||
c7e78876 | 706 | dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset; |
1da177e4 LT |
707 | eh->dma_base = eh->memc + data->dataport_offset; |
708 | eh->ctrl_port += data->ctrlport_offset; | |
709 | ||
710 | /* | |
711 | * IRQ and control port handling - only for non-NIC slot cards. | |
712 | */ | |
713 | if (ec->slot_no != 8) { | |
714 | ec->ops = ðerh_ops; | |
715 | ec->irq_data = 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); | |
6c3561b0 | 746 | __NS8390_init(dev, 0); |
1da177e4 LT |
747 | |
748 | ret = register_netdev(dev); | |
749 | if (ret) | |
750 | goto free; | |
751 | ||
752 | printk(KERN_INFO "%s: %s in slot %d, ", | |
753 | dev->name, data->name, ec->slot_no); | |
754 | ||
755 | for (i = 0; i < 6; i++) | |
756 | printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':'); | |
757 | ||
758 | ecard_set_drvdata(ec, dev); | |
759 | ||
760 | return 0; | |
761 | ||
762 | free: | |
763 | if (eh->ioc_fast) | |
764 | iounmap(eh->ioc_fast); | |
765 | if (eh->memc) | |
766 | iounmap(eh->memc); | |
767 | free_netdev(dev); | |
768 | release: | |
769 | ecard_release_resources(ec); | |
770 | out: | |
771 | return ret; | |
772 | } | |
773 | ||
774 | static void __devexit etherh_remove(struct expansion_card *ec) | |
775 | { | |
776 | struct net_device *dev = ecard_get_drvdata(ec); | |
777 | struct etherh_priv *eh = etherh_priv(dev); | |
778 | ||
779 | ecard_set_drvdata(ec, NULL); | |
780 | ||
781 | unregister_netdev(dev); | |
782 | ec->ops = NULL; | |
783 | ||
784 | if (eh->ioc_fast) | |
785 | iounmap(eh->ioc_fast); | |
786 | iounmap(eh->memc); | |
787 | ||
788 | free_netdev(dev); | |
789 | ||
790 | ecard_release_resources(ec); | |
791 | } | |
792 | ||
793 | static struct etherh_data etherm_data = { | |
794 | .ns8390_offset = ETHERM_NS8390, | |
795 | .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT, | |
796 | .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT, | |
797 | .name = "ANT EtherM", | |
798 | .supported = SUPPORTED_10baseT_Half, | |
799 | .tx_start_page = ETHERM_TX_START_PAGE, | |
800 | .stop_page = ETHERM_STOP_PAGE, | |
801 | }; | |
802 | ||
803 | static struct etherh_data etherlan500_data = { | |
804 | .ns8390_offset = ETHERH500_NS8390, | |
805 | .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT, | |
806 | .ctrlport_offset = ETHERH500_CTRLPORT, | |
807 | .ctrl_ioc = 1, | |
808 | .name = "i3 EtherH 500", | |
809 | .supported = SUPPORTED_10baseT_Half, | |
810 | .tx_start_page = ETHERH_TX_START_PAGE, | |
811 | .stop_page = ETHERH_STOP_PAGE, | |
812 | }; | |
813 | ||
814 | static struct etherh_data etherlan600_data = { | |
815 | .ns8390_offset = ETHERH600_NS8390, | |
816 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, | |
817 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, | |
818 | .name = "i3 EtherH 600", | |
819 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, | |
820 | .tx_start_page = ETHERH_TX_START_PAGE, | |
821 | .stop_page = ETHERH_STOP_PAGE, | |
822 | }; | |
823 | ||
824 | static struct etherh_data etherlan600a_data = { | |
825 | .ns8390_offset = ETHERH600_NS8390, | |
826 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, | |
827 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, | |
828 | .name = "i3 EtherH 600A", | |
829 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, | |
830 | .tx_start_page = ETHERH_TX_START_PAGE, | |
831 | .stop_page = ETHERH_STOP_PAGE, | |
832 | }; | |
833 | ||
834 | static const struct ecard_id etherh_ids[] = { | |
835 | { MANU_ANT, PROD_ANT_ETHERM, ðerm_data }, | |
836 | { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data }, | |
837 | { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data }, | |
838 | { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data }, | |
839 | { 0xffff, 0xffff } | |
840 | }; | |
841 | ||
842 | static struct ecard_driver etherh_driver = { | |
843 | .probe = etherh_probe, | |
844 | .remove = __devexit_p(etherh_remove), | |
845 | .id_table = etherh_ids, | |
846 | .drv = { | |
847 | .name = DRV_NAME, | |
848 | }, | |
849 | }; | |
850 | ||
851 | static int __init etherh_init(void) | |
852 | { | |
853 | int i; | |
854 | ||
855 | for (i = 0; i < 16; i++) { | |
856 | etherh_regoffsets[i] = i << 2; | |
857 | etherm_regoffsets[i] = i << 5; | |
858 | } | |
859 | ||
860 | return ecard_register_driver(ðerh_driver); | |
861 | } | |
862 | ||
863 | static void __exit etherh_exit(void) | |
864 | { | |
865 | ecard_remove_driver(ðerh_driver); | |
866 | } | |
867 | ||
868 | module_init(etherh_init); | |
869 | module_exit(etherh_exit); |