diff options
Diffstat (limited to 'drivers/net/arm/etherh.c')
-rw-r--r-- | drivers/net/arm/etherh.c | 866 |
1 files changed, 866 insertions, 0 deletions
diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c new file mode 100644 index 00000000000..03e217a868d --- /dev/null +++ b/drivers/net/arm/etherh.c | |||
@@ -0,0 +1,866 @@ | |||
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/system.h> | ||
49 | #include <asm/ecard.h> | ||
50 | #include <asm/io.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 NET_DEBUG 0 | ||
60 | #define DEBUG_INIT 2 | ||
61 | |||
62 | #define DRV_NAME "etherh" | ||
63 | #define DRV_VERSION "1.11" | ||
64 | |||
65 | static char version[] __initdata = | ||
66 | "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; | ||
67 | |||
68 | #include "../lib8390.c" | ||
69 | |||
70 | static unsigned int net_debug = NET_DEBUG; | ||
71 | |||
72 | struct etherh_priv { | ||
73 | void __iomem *ioc_fast; | ||
74 | void __iomem *memc; | ||
75 | void __iomem *dma_base; | ||
76 | unsigned int id; | ||
77 | void __iomem *ctrl_port; | ||
78 | unsigned char ctrl; | ||
79 | u32 supported; | ||
80 | }; | ||
81 | |||
82 | struct etherh_data { | ||
83 | unsigned long ns8390_offset; | ||
84 | unsigned long dataport_offset; | ||
85 | unsigned long ctrlport_offset; | ||
86 | int ctrl_ioc; | ||
87 | const char name[16]; | ||
88 | u32 supported; | ||
89 | unsigned char tx_start_page; | ||
90 | unsigned char stop_page; | ||
91 | }; | ||
92 | |||
93 | MODULE_AUTHOR("Russell King"); | ||
94 | MODULE_DESCRIPTION("EtherH/EtherM driver"); | ||
95 | MODULE_LICENSE("GPL"); | ||
96 | |||
97 | #define ETHERH500_DATAPORT 0x800 /* MEMC */ | ||
98 | #define ETHERH500_NS8390 0x000 /* MEMC */ | ||
99 | #define ETHERH500_CTRLPORT 0x800 /* IOC */ | ||
100 | |||
101 | #define ETHERH600_DATAPORT 0x040 /* MEMC */ | ||
102 | #define ETHERH600_NS8390 0x800 /* MEMC */ | ||
103 | #define ETHERH600_CTRLPORT 0x200 /* MEMC */ | ||
104 | |||
105 | #define ETHERH_CP_IE 1 | ||
106 | #define ETHERH_CP_IF 2 | ||
107 | #define ETHERH_CP_HEARTBEAT 2 | ||
108 | |||
109 | #define ETHERH_TX_START_PAGE 1 | ||
110 | #define ETHERH_STOP_PAGE 127 | ||
111 | |||
112 | /* | ||
113 | * These came from CK/TEW | ||
114 | */ | ||
115 | #define ETHERM_DATAPORT 0x200 /* MEMC */ | ||
116 | #define ETHERM_NS8390 0x800 /* MEMC */ | ||
117 | #define ETHERM_CTRLPORT 0x23c /* MEMC */ | ||
118 | |||
119 | #define ETHERM_TX_START_PAGE 64 | ||
120 | #define ETHERM_STOP_PAGE 127 | ||
121 | |||
122 | /* ------------------------------------------------------------------------ */ | ||
123 | |||
124 | #define etherh_priv(dev) \ | ||
125 | ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device))) | ||
126 | |||
127 | static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask) | ||
128 | { | ||
129 | unsigned char ctrl = eh->ctrl | mask; | ||
130 | eh->ctrl = ctrl; | ||
131 | writeb(ctrl, eh->ctrl_port); | ||
132 | } | ||
133 | |||
134 | static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask) | ||
135 | { | ||
136 | unsigned char ctrl = eh->ctrl & ~mask; | ||
137 | eh->ctrl = ctrl; | ||
138 | writeb(ctrl, eh->ctrl_port); | ||
139 | } | ||
140 | |||
141 | static inline unsigned int etherh_get_stat(struct etherh_priv *eh) | ||
142 | { | ||
143 | return readb(eh->ctrl_port); | ||
144 | } | ||
145 | |||
146 | |||
147 | |||
148 | |||
149 | static void etherh_irq_enable(ecard_t *ec, int irqnr) | ||
150 | { | ||
151 | struct etherh_priv *eh = ec->irq_data; | ||
152 | |||
153 | etherh_set_ctrl(eh, ETHERH_CP_IE); | ||
154 | } | ||
155 | |||
156 | static void etherh_irq_disable(ecard_t *ec, int irqnr) | ||
157 | { | ||
158 | struct etherh_priv *eh = ec->irq_data; | ||
159 | |||
160 | etherh_clr_ctrl(eh, ETHERH_CP_IE); | ||
161 | } | ||
162 | |||
163 | static expansioncard_ops_t etherh_ops = { | ||
164 | .irqenable = etherh_irq_enable, | ||
165 | .irqdisable = etherh_irq_disable, | ||
166 | }; | ||
167 | |||
168 | |||
169 | |||
170 | |||
171 | static void | ||
172 | etherh_setif(struct net_device *dev) | ||
173 | { | ||
174 | struct ei_device *ei_local = netdev_priv(dev); | ||
175 | unsigned long flags; | ||
176 | void __iomem *addr; | ||
177 | |||
178 | local_irq_save(flags); | ||
179 | |||
180 | /* set the interface type */ | ||
181 | switch (etherh_priv(dev)->id) { | ||
182 | case PROD_I3_ETHERLAN600: | ||
183 | case PROD_I3_ETHERLAN600A: | ||
184 | addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; | ||
185 | |||
186 | switch (dev->if_port) { | ||
187 | case IF_PORT_10BASE2: | ||
188 | writeb((readb(addr) & 0xf8) | 1, addr); | ||
189 | break; | ||
190 | case IF_PORT_10BASET: | ||
191 | writeb((readb(addr) & 0xf8), addr); | ||
192 | break; | ||
193 | } | ||
194 | break; | ||
195 | |||
196 | case PROD_I3_ETHERLAN500: | ||
197 | switch (dev->if_port) { | ||
198 | case IF_PORT_10BASE2: | ||
199 | etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF); | ||
200 | break; | ||
201 | |||
202 | case IF_PORT_10BASET: | ||
203 | etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF); | ||
204 | break; | ||
205 | } | ||
206 | break; | ||
207 | |||
208 | default: | ||
209 | break; | ||
210 | } | ||
211 | |||
212 | local_irq_restore(flags); | ||
213 | } | ||
214 | |||
215 | static int | ||
216 | etherh_getifstat(struct net_device *dev) | ||
217 | { | ||
218 | struct ei_device *ei_local = netdev_priv(dev); | ||
219 | void __iomem *addr; | ||
220 | int stat = 0; | ||
221 | |||
222 | switch (etherh_priv(dev)->id) { | ||
223 | case PROD_I3_ETHERLAN600: | ||
224 | case PROD_I3_ETHERLAN600A: | ||
225 | addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; | ||
226 | switch (dev->if_port) { | ||
227 | case IF_PORT_10BASE2: | ||
228 | stat = 1; | ||
229 | break; | ||
230 | case IF_PORT_10BASET: | ||
231 | stat = readb(addr) & 4; | ||
232 | break; | ||
233 | } | ||
234 | break; | ||
235 | |||
236 | case PROD_I3_ETHERLAN500: | ||
237 | switch (dev->if_port) { | ||
238 | case IF_PORT_10BASE2: | ||
239 | stat = 1; | ||
240 | break; | ||
241 | case IF_PORT_10BASET: | ||
242 | stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT; | ||
243 | break; | ||
244 | } | ||
245 | break; | ||
246 | |||
247 | default: | ||
248 | stat = 0; | ||
249 | break; | ||
250 | } | ||
251 | |||
252 | return stat != 0; | ||
253 | } | ||
254 | |||
255 | /* | ||
256 | * Configure the interface. Note that we ignore the other | ||
257 | * parts of ifmap, since its mostly meaningless for this driver. | ||
258 | */ | ||
259 | static int etherh_set_config(struct net_device *dev, struct ifmap *map) | ||
260 | { | ||
261 | switch (map->port) { | ||
262 | case IF_PORT_10BASE2: | ||
263 | case IF_PORT_10BASET: | ||
264 | /* | ||
265 | * If the user explicitly sets the interface | ||
266 | * media type, turn off automedia detection. | ||
267 | */ | ||
268 | dev->flags &= ~IFF_AUTOMEDIA; | ||
269 | dev->if_port = map->port; | ||
270 | break; | ||
271 | |||
272 | default: | ||
273 | return -EINVAL; | ||
274 | } | ||
275 | |||
276 | etherh_setif(dev); | ||
277 | |||
278 | return 0; | ||
279 | } | ||
280 | |||
281 | /* | ||
282 | * Reset the 8390 (hard reset). Note that we can't actually do this. | ||
283 | */ | ||
284 | static void | ||
285 | etherh_reset(struct net_device *dev) | ||
286 | { | ||
287 | struct ei_device *ei_local = netdev_priv(dev); | ||
288 | void __iomem *addr = (void __iomem *)dev->base_addr; | ||
289 | |||
290 | writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); | ||
291 | |||
292 | /* | ||
293 | * See if we need to change the interface type. | ||
294 | * Note that we use 'interface_num' as a flag | ||
295 | * to indicate that we need to change the media. | ||
296 | */ | ||
297 | if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) { | ||
298 | ei_local->interface_num = 0; | ||
299 | |||
300 | if (dev->if_port == IF_PORT_10BASET) | ||
301 | dev->if_port = IF_PORT_10BASE2; | ||
302 | else | ||
303 | dev->if_port = IF_PORT_10BASET; | ||
304 | |||
305 | etherh_setif(dev); | ||
306 | } | ||
307 | } | ||
308 | |||
309 | /* | ||
310 | * Write a block of data out to the 8390 | ||
311 | */ | ||
312 | static void | ||
313 | etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page) | ||
314 | { | ||
315 | struct ei_device *ei_local = netdev_priv(dev); | ||
316 | unsigned long dma_start; | ||
317 | void __iomem *dma_base, *addr; | ||
318 | |||
319 | if (ei_local->dmaing) { | ||
320 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " | ||
321 | " DMAstat %d irqlock %d\n", dev->name, | ||
322 | ei_local->dmaing, ei_local->irqlock); | ||
323 | return; | ||
324 | } | ||
325 | |||
326 | /* | ||
327 | * Make sure we have a round number of bytes if we're in word mode. | ||
328 | */ | ||
329 | if (count & 1 && ei_local->word16) | ||
330 | count++; | ||
331 | |||
332 | ei_local->dmaing = 1; | ||
333 | |||
334 | addr = (void __iomem *)dev->base_addr; | ||
335 | dma_base = etherh_priv(dev)->dma_base; | ||
336 | |||
337 | count = (count + 1) & ~1; | ||
338 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | ||
339 | |||
340 | writeb (0x42, addr + EN0_RCNTLO); | ||
341 | writeb (0x00, addr + EN0_RCNTHI); | ||
342 | writeb (0x42, addr + EN0_RSARLO); | ||
343 | writeb (0x00, addr + EN0_RSARHI); | ||
344 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | ||
345 | |||
346 | udelay (1); | ||
347 | |||
348 | writeb (ENISR_RDC, addr + EN0_ISR); | ||
349 | writeb (count, addr + EN0_RCNTLO); | ||
350 | writeb (count >> 8, addr + EN0_RCNTHI); | ||
351 | writeb (0, addr + EN0_RSARLO); | ||
352 | writeb (start_page, addr + EN0_RSARHI); | ||
353 | writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD); | ||
354 | |||
355 | if (ei_local->word16) | ||
356 | writesw (dma_base, buf, count >> 1); | ||
357 | else | ||
358 | writesb (dma_base, buf, count); | ||
359 | |||
360 | dma_start = jiffies; | ||
361 | |||
362 | while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0) | ||
363 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ | ||
364 | printk(KERN_ERR "%s: timeout waiting for TX RDC\n", | ||
365 | dev->name); | ||
366 | etherh_reset (dev); | ||
367 | __NS8390_init (dev, 1); | ||
368 | break; | ||
369 | } | ||
370 | |||
371 | writeb (ENISR_RDC, addr + EN0_ISR); | ||
372 | ei_local->dmaing = 0; | ||
373 | } | ||
374 | |||
375 | /* | ||
376 | * Read a block of data from the 8390 | ||
377 | */ | ||
378 | static void | ||
379 | etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) | ||
380 | { | ||
381 | struct ei_device *ei_local = netdev_priv(dev); | ||
382 | unsigned char *buf; | ||
383 | void __iomem *dma_base, *addr; | ||
384 | |||
385 | if (ei_local->dmaing) { | ||
386 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " | ||
387 | " DMAstat %d irqlock %d\n", dev->name, | ||
388 | ei_local->dmaing, ei_local->irqlock); | ||
389 | return; | ||
390 | } | ||
391 | |||
392 | ei_local->dmaing = 1; | ||
393 | |||
394 | addr = (void __iomem *)dev->base_addr; | ||
395 | dma_base = etherh_priv(dev)->dma_base; | ||
396 | |||
397 | buf = skb->data; | ||
398 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | ||
399 | writeb (count, addr + EN0_RCNTLO); | ||
400 | writeb (count >> 8, addr + EN0_RCNTHI); | ||
401 | writeb (ring_offset, addr + EN0_RSARLO); | ||
402 | writeb (ring_offset >> 8, addr + EN0_RSARHI); | ||
403 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | ||
404 | |||
405 | if (ei_local->word16) { | ||
406 | readsw (dma_base, buf, count >> 1); | ||
407 | if (count & 1) | ||
408 | buf[count - 1] = readb (dma_base); | ||
409 | } else | ||
410 | readsb (dma_base, buf, count); | ||
411 | |||
412 | writeb (ENISR_RDC, addr + EN0_ISR); | ||
413 | ei_local->dmaing = 0; | ||
414 | } | ||
415 | |||
416 | /* | ||
417 | * Read a header from the 8390 | ||
418 | */ | ||
419 | static void | ||
420 | etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) | ||
421 | { | ||
422 | struct ei_device *ei_local = netdev_priv(dev); | ||
423 | void __iomem *dma_base, *addr; | ||
424 | |||
425 | if (ei_local->dmaing) { | ||
426 | printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: " | ||
427 | " DMAstat %d irqlock %d\n", dev->name, | ||
428 | ei_local->dmaing, ei_local->irqlock); | ||
429 | return; | ||
430 | } | ||
431 | |||
432 | ei_local->dmaing = 1; | ||
433 | |||
434 | addr = (void __iomem *)dev->base_addr; | ||
435 | dma_base = etherh_priv(dev)->dma_base; | ||
436 | |||
437 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); | ||
438 | writeb (sizeof (*hdr), addr + EN0_RCNTLO); | ||
439 | writeb (0, addr + EN0_RCNTHI); | ||
440 | writeb (0, addr + EN0_RSARLO); | ||
441 | writeb (ring_page, addr + EN0_RSARHI); | ||
442 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); | ||
443 | |||
444 | if (ei_local->word16) | ||
445 | readsw (dma_base, hdr, sizeof (*hdr) >> 1); | ||
446 | else | ||
447 | readsb (dma_base, hdr, sizeof (*hdr)); | ||
448 | |||
449 | writeb (ENISR_RDC, addr + EN0_ISR); | ||
450 | ei_local->dmaing = 0; | ||
451 | } | ||
452 | |||
453 | /* | ||
454 | * Open/initialize the board. This is called (in the current kernel) | ||
455 | * sometime after booting when the 'ifconfig' program is run. | ||
456 | * | ||
457 | * This routine should set everything up anew at each open, even | ||
458 | * registers that "should" only need to be set once at boot, so that | ||
459 | * there is non-reboot way to recover if something goes wrong. | ||
460 | */ | ||
461 | static int | ||
462 | etherh_open(struct net_device *dev) | ||
463 | { | ||
464 | struct ei_device *ei_local = netdev_priv(dev); | ||
465 | |||
466 | if (!is_valid_ether_addr(dev->dev_addr)) { | ||
467 | printk(KERN_WARNING "%s: invalid ethernet MAC address\n", | ||
468 | dev->name); | ||
469 | return -EINVAL; | ||
470 | } | ||
471 | |||
472 | if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev)) | ||
473 | return -EAGAIN; | ||
474 | |||
475 | /* | ||
476 | * Make sure that we aren't going to change the | ||
477 | * media type on the next reset - we are about to | ||
478 | * do automedia manually now. | ||
479 | */ | ||
480 | ei_local->interface_num = 0; | ||
481 | |||
482 | /* | ||
483 | * If we are doing automedia detection, do it now. | ||
484 | * This is more reliable than the 8390's detection. | ||
485 | */ | ||
486 | if (dev->flags & IFF_AUTOMEDIA) { | ||
487 | dev->if_port = IF_PORT_10BASET; | ||
488 | etherh_setif(dev); | ||
489 | mdelay(1); | ||
490 | if (!etherh_getifstat(dev)) { | ||
491 | dev->if_port = IF_PORT_10BASE2; | ||
492 | etherh_setif(dev); | ||
493 | } | ||
494 | } else | ||
495 | etherh_setif(dev); | ||
496 | |||
497 | etherh_reset(dev); | ||
498 | __ei_open(dev); | ||
499 | |||
500 | return 0; | ||
501 | } | ||
502 | |||
503 | /* | ||
504 | * The inverse routine to etherh_open(). | ||
505 | */ | ||
506 | static int | ||
507 | etherh_close(struct net_device *dev) | ||
508 | { | ||
509 | __ei_close (dev); | ||
510 | free_irq (dev->irq, dev); | ||
511 | return 0; | ||
512 | } | ||
513 | |||
514 | /* | ||
515 | * Initialisation | ||
516 | */ | ||
517 | |||
518 | static void __init etherh_banner(void) | ||
519 | { | ||
520 | static int version_printed; | ||
521 | |||
522 | if (net_debug && version_printed++ == 0) | ||
523 | printk(KERN_INFO "%s", version); | ||
524 | } | ||
525 | |||
526 | /* | ||
527 | * Read the ethernet address string from the on board rom. | ||
528 | * This is an ascii string... | ||
529 | */ | ||
530 | static int __devinit etherh_addr(char *addr, struct expansion_card *ec) | ||
531 | { | ||
532 | struct in_chunk_dir cd; | ||
533 | char *s; | ||
534 | |||
535 | if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { | ||
536 | printk(KERN_ERR "%s: unable to read podule description string\n", | ||
537 | dev_name(&ec->dev)); | ||
538 | goto no_addr; | ||
539 | } | ||
540 | |||
541 | s = strchr(cd.d.string, '('); | ||
542 | if (s) { | ||
543 | int i; | ||
544 | |||
545 | for (i = 0; i < 6; i++) { | ||
546 | addr[i] = simple_strtoul(s + 1, &s, 0x10); | ||
547 | if (*s != (i == 5? ')' : ':')) | ||
548 | break; | ||
549 | } | ||
550 | |||
551 | if (i == 6) | ||
552 | return 0; | ||
553 | } | ||
554 | |||
555 | printk(KERN_ERR "%s: unable to parse MAC address: %s\n", | ||
556 | dev_name(&ec->dev), cd.d.string); | ||
557 | |||
558 | no_addr: | ||
559 | return -ENODEV; | ||
560 | } | ||
561 | |||
562 | /* | ||
563 | * Create an ethernet address from the system serial number. | ||
564 | */ | ||
565 | static int __init etherm_addr(char *addr) | ||
566 | { | ||
567 | unsigned int serial; | ||
568 | |||
569 | if (system_serial_low == 0 && system_serial_high == 0) | ||
570 | return -ENODEV; | ||
571 | |||
572 | serial = system_serial_low | system_serial_high; | ||
573 | |||
574 | addr[0] = 0; | ||
575 | addr[1] = 0; | ||
576 | addr[2] = 0xa4; | ||
577 | addr[3] = 0x10 + (serial >> 24); | ||
578 | addr[4] = serial >> 16; | ||
579 | addr[5] = serial >> 8; | ||
580 | return 0; | ||
581 | } | ||
582 | |||
583 | static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | ||
584 | { | ||
585 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); | ||
586 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | ||
587 | strlcpy(info->bus_info, dev_name(dev->dev.parent), | ||
588 | sizeof(info->bus_info)); | ||
589 | } | ||
590 | |||
591 | static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | ||
592 | { | ||
593 | cmd->supported = etherh_priv(dev)->supported; | ||
594 | ethtool_cmd_speed_set(cmd, SPEED_10); | ||
595 | cmd->duplex = DUPLEX_HALF; | ||
596 | cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC; | ||
597 | cmd->autoneg = (dev->flags & IFF_AUTOMEDIA ? | ||
598 | AUTONEG_ENABLE : AUTONEG_DISABLE); | ||
599 | return 0; | ||
600 | } | ||
601 | |||
602 | static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | ||
603 | { | ||
604 | switch (cmd->autoneg) { | ||
605 | case AUTONEG_ENABLE: | ||
606 | dev->flags |= IFF_AUTOMEDIA; | ||
607 | break; | ||
608 | |||
609 | case AUTONEG_DISABLE: | ||
610 | switch (cmd->port) { | ||
611 | case PORT_TP: | ||
612 | dev->if_port = IF_PORT_10BASET; | ||
613 | break; | ||
614 | |||
615 | case PORT_BNC: | ||
616 | dev->if_port = IF_PORT_10BASE2; | ||
617 | break; | ||
618 | |||
619 | default: | ||
620 | return -EINVAL; | ||
621 | } | ||
622 | dev->flags &= ~IFF_AUTOMEDIA; | ||
623 | break; | ||
624 | |||
625 | default: | ||
626 | return -EINVAL; | ||
627 | } | ||
628 | |||
629 | etherh_setif(dev); | ||
630 | |||
631 | return 0; | ||
632 | } | ||
633 | |||
634 | static const struct ethtool_ops etherh_ethtool_ops = { | ||
635 | .get_settings = etherh_get_settings, | ||
636 | .set_settings = etherh_set_settings, | ||
637 | .get_drvinfo = etherh_get_drvinfo, | ||
638 | }; | ||
639 | |||
640 | static const struct net_device_ops etherh_netdev_ops = { | ||
641 | .ndo_open = etherh_open, | ||
642 | .ndo_stop = etherh_close, | ||
643 | .ndo_set_config = etherh_set_config, | ||
644 | .ndo_start_xmit = __ei_start_xmit, | ||
645 | .ndo_tx_timeout = __ei_tx_timeout, | ||
646 | .ndo_get_stats = __ei_get_stats, | ||
647 | .ndo_set_multicast_list = __ei_set_multicast_list, | ||
648 | .ndo_validate_addr = eth_validate_addr, | ||
649 | .ndo_set_mac_address = eth_mac_addr, | ||
650 | .ndo_change_mtu = eth_change_mtu, | ||
651 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
652 | .ndo_poll_controller = __ei_poll, | ||
653 | #endif | ||
654 | }; | ||
655 | |||
656 | static u32 etherh_regoffsets[16]; | ||
657 | static u32 etherm_regoffsets[16]; | ||
658 | |||
659 | static int __devinit | ||
660 | etherh_probe(struct expansion_card *ec, const struct ecard_id *id) | ||
661 | { | ||
662 | const struct etherh_data *data = id->data; | ||
663 | struct ei_device *ei_local; | ||
664 | struct net_device *dev; | ||
665 | struct etherh_priv *eh; | ||
666 | int ret; | ||
667 | |||
668 | etherh_banner(); | ||
669 | |||
670 | ret = ecard_request_resources(ec); | ||
671 | if (ret) | ||
672 | goto out; | ||
673 | |||
674 | dev = ____alloc_ei_netdev(sizeof(struct etherh_priv)); | ||
675 | if (!dev) { | ||
676 | ret = -ENOMEM; | ||
677 | goto release; | ||
678 | } | ||
679 | |||
680 | SET_NETDEV_DEV(dev, &ec->dev); | ||
681 | |||
682 | dev->netdev_ops = ðerh_netdev_ops; | ||
683 | dev->irq = ec->irq; | ||
684 | dev->ethtool_ops = ðerh_ethtool_ops; | ||
685 | |||
686 | if (data->supported & SUPPORTED_Autoneg) | ||
687 | dev->flags |= IFF_AUTOMEDIA; | ||
688 | if (data->supported & SUPPORTED_TP) { | ||
689 | dev->flags |= IFF_PORTSEL; | ||
690 | dev->if_port = IF_PORT_10BASET; | ||
691 | } else if (data->supported & SUPPORTED_BNC) { | ||
692 | dev->flags |= IFF_PORTSEL; | ||
693 | dev->if_port = IF_PORT_10BASE2; | ||
694 | } else | ||
695 | dev->if_port = IF_PORT_UNKNOWN; | ||
696 | |||
697 | eh = etherh_priv(dev); | ||
698 | eh->supported = data->supported; | ||
699 | eh->ctrl = 0; | ||
700 | eh->id = ec->cid.product; | ||
701 | eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE); | ||
702 | if (!eh->memc) { | ||
703 | ret = -ENOMEM; | ||
704 | goto free; | ||
705 | } | ||
706 | |||
707 | eh->ctrl_port = eh->memc; | ||
708 | if (data->ctrl_ioc) { | ||
709 | eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE); | ||
710 | if (!eh->ioc_fast) { | ||
711 | ret = -ENOMEM; | ||
712 | goto free; | ||
713 | } | ||
714 | eh->ctrl_port = eh->ioc_fast; | ||
715 | } | ||
716 | |||
717 | dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset; | ||
718 | eh->dma_base = eh->memc + data->dataport_offset; | ||
719 | eh->ctrl_port += data->ctrlport_offset; | ||
720 | |||
721 | /* | ||
722 | * IRQ and control port handling - only for non-NIC slot cards. | ||
723 | */ | ||
724 | if (ec->slot_no != 8) { | ||
725 | ecard_setirq(ec, ðerh_ops, eh); | ||
726 | } else { | ||
727 | /* | ||
728 | * If we're in the NIC slot, make sure the IRQ is enabled | ||
729 | */ | ||
730 | etherh_set_ctrl(eh, ETHERH_CP_IE); | ||
731 | } | ||
732 | |||
733 | ei_local = netdev_priv(dev); | ||
734 | spin_lock_init(&ei_local->page_lock); | ||
735 | |||
736 | if (ec->cid.product == PROD_ANT_ETHERM) { | ||
737 | etherm_addr(dev->dev_addr); | ||
738 | ei_local->reg_offset = etherm_regoffsets; | ||
739 | } else { | ||
740 | etherh_addr(dev->dev_addr, ec); | ||
741 | ei_local->reg_offset = etherh_regoffsets; | ||
742 | } | ||
743 | |||
744 | ei_local->name = dev->name; | ||
745 | ei_local->word16 = 1; | ||
746 | ei_local->tx_start_page = data->tx_start_page; | ||
747 | ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES; | ||
748 | ei_local->stop_page = data->stop_page; | ||
749 | ei_local->reset_8390 = etherh_reset; | ||
750 | ei_local->block_input = etherh_block_input; | ||
751 | ei_local->block_output = etherh_block_output; | ||
752 | ei_local->get_8390_hdr = etherh_get_header; | ||
753 | ei_local->interface_num = 0; | ||
754 | |||
755 | etherh_reset(dev); | ||
756 | __NS8390_init(dev, 0); | ||
757 | |||
758 | ret = register_netdev(dev); | ||
759 | if (ret) | ||
760 | goto free; | ||
761 | |||
762 | printk(KERN_INFO "%s: %s in slot %d, %pM\n", | ||
763 | dev->name, data->name, ec->slot_no, dev->dev_addr); | ||
764 | |||
765 | ecard_set_drvdata(ec, dev); | ||
766 | |||
767 | return 0; | ||
768 | |||
769 | free: | ||
770 | free_netdev(dev); | ||
771 | release: | ||
772 | ecard_release_resources(ec); | ||
773 | out: | ||
774 | return ret; | ||
775 | } | ||
776 | |||
777 | static void __devexit etherh_remove(struct expansion_card *ec) | ||
778 | { | ||
779 | struct net_device *dev = ecard_get_drvdata(ec); | ||
780 | |||
781 | ecard_set_drvdata(ec, NULL); | ||
782 | |||
783 | unregister_netdev(dev); | ||
784 | |||
785 | free_netdev(dev); | ||
786 | |||
787 | ecard_release_resources(ec); | ||
788 | } | ||
789 | |||
790 | static struct etherh_data etherm_data = { | ||
791 | .ns8390_offset = ETHERM_NS8390, | ||
792 | .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT, | ||
793 | .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT, | ||
794 | .name = "ANT EtherM", | ||
795 | .supported = SUPPORTED_10baseT_Half, | ||
796 | .tx_start_page = ETHERM_TX_START_PAGE, | ||
797 | .stop_page = ETHERM_STOP_PAGE, | ||
798 | }; | ||
799 | |||
800 | static struct etherh_data etherlan500_data = { | ||
801 | .ns8390_offset = ETHERH500_NS8390, | ||
802 | .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT, | ||
803 | .ctrlport_offset = ETHERH500_CTRLPORT, | ||
804 | .ctrl_ioc = 1, | ||
805 | .name = "i3 EtherH 500", | ||
806 | .supported = SUPPORTED_10baseT_Half, | ||
807 | .tx_start_page = ETHERH_TX_START_PAGE, | ||
808 | .stop_page = ETHERH_STOP_PAGE, | ||
809 | }; | ||
810 | |||
811 | static struct etherh_data etherlan600_data = { | ||
812 | .ns8390_offset = ETHERH600_NS8390, | ||
813 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, | ||
814 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, | ||
815 | .name = "i3 EtherH 600", | ||
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 | |||
821 | static struct etherh_data etherlan600a_data = { | ||
822 | .ns8390_offset = ETHERH600_NS8390, | ||
823 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, | ||
824 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, | ||
825 | .name = "i3 EtherH 600A", | ||
826 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, | ||
827 | .tx_start_page = ETHERH_TX_START_PAGE, | ||
828 | .stop_page = ETHERH_STOP_PAGE, | ||
829 | }; | ||
830 | |||
831 | static const struct ecard_id etherh_ids[] = { | ||
832 | { MANU_ANT, PROD_ANT_ETHERM, ðerm_data }, | ||
833 | { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data }, | ||
834 | { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data }, | ||
835 | { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data }, | ||
836 | { 0xffff, 0xffff } | ||
837 | }; | ||
838 | |||
839 | static struct ecard_driver etherh_driver = { | ||
840 | .probe = etherh_probe, | ||
841 | .remove = __devexit_p(etherh_remove), | ||
842 | .id_table = etherh_ids, | ||
843 | .drv = { | ||
844 | .name = DRV_NAME, | ||
845 | }, | ||
846 | }; | ||
847 | |||
848 | static int __init etherh_init(void) | ||
849 | { | ||
850 | int i; | ||
851 | |||
852 | for (i = 0; i < 16; i++) { | ||
853 | etherh_regoffsets[i] = i << 2; | ||
854 | etherm_regoffsets[i] = i << 5; | ||
855 | } | ||
856 | |||
857 | return ecard_register_driver(ðerh_driver); | ||
858 | } | ||
859 | |||
860 | static void __exit etherh_exit(void) | ||
861 | { | ||
862 | ecard_remove_driver(ðerh_driver); | ||
863 | } | ||
864 | |||
865 | module_init(etherh_init); | ||
866 | module_exit(etherh_exit); | ||