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1da177e4 LT |
1 | /*====================================================================== |
2 | ||
3 | A PCMCIA ethernet driver for the 3com 3c589 card. | |
4 | ||
5 | Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net | |
6 | ||
7 | 3c589_cs.c 1.162 2001/10/13 00:08:50 | |
8 | ||
9 | The network driver code is based on Donald Becker's 3c589 code: | |
10 | ||
11 | Written 1994 by Donald Becker. | |
12 | Copyright 1993 United States Government as represented by the | |
13 | Director, National Security Agency. This software may be used and | |
14 | distributed according to the terms of the GNU General Public License, | |
15 | incorporated herein by reference. | |
16 | Donald Becker may be reached at becker@scyld.com | |
17 | ||
18 | Updated for 2.5.x by Alan Cox <alan@redhat.com> | |
19 | ||
20 | ======================================================================*/ | |
21 | ||
22 | #define DRV_NAME "3c589_cs" | |
23 | #define DRV_VERSION "1.162-ac" | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/ptrace.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/string.h> | |
31 | #include <linux/timer.h> | |
32 | #include <linux/interrupt.h> | |
33 | #include <linux/in.h> | |
34 | #include <linux/delay.h> | |
35 | #include <linux/ethtool.h> | |
36 | #include <linux/netdevice.h> | |
37 | #include <linux/etherdevice.h> | |
38 | #include <linux/skbuff.h> | |
39 | #include <linux/if_arp.h> | |
40 | #include <linux/ioport.h> | |
41 | #include <linux/bitops.h> | |
42 | ||
43 | #include <pcmcia/version.h> | |
44 | #include <pcmcia/cs_types.h> | |
45 | #include <pcmcia/cs.h> | |
46 | #include <pcmcia/cistpl.h> | |
47 | #include <pcmcia/cisreg.h> | |
48 | #include <pcmcia/ciscode.h> | |
49 | #include <pcmcia/ds.h> | |
50 | ||
51 | #include <asm/uaccess.h> | |
52 | #include <asm/io.h> | |
53 | #include <asm/system.h> | |
54 | ||
55 | /* To minimize the size of the driver source I only define operating | |
56 | constants if they are used several times. You'll need the manual | |
57 | if you want to understand driver details. */ | |
58 | /* Offsets from base I/O address. */ | |
59 | #define EL3_DATA 0x00 | |
60 | #define EL3_TIMER 0x0a | |
61 | #define EL3_CMD 0x0e | |
62 | #define EL3_STATUS 0x0e | |
63 | ||
64 | #define EEPROM_READ 0x0080 | |
65 | #define EEPROM_BUSY 0x8000 | |
66 | ||
67 | #define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD) | |
68 | ||
69 | /* The top five bits written to EL3_CMD are a command, the lower | |
70 | 11 bits are the parameter, if applicable. */ | |
71 | enum c509cmd { | |
72 | TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11, | |
73 | RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11, | |
74 | TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11, | |
75 | FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11, | |
76 | SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11, | |
77 | SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11, | |
78 | StatsDisable = 22<<11, StopCoax = 23<<11, | |
79 | }; | |
80 | ||
81 | enum c509status { | |
82 | IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004, | |
83 | TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020, | |
84 | IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000 | |
85 | }; | |
86 | ||
87 | /* The SetRxFilter command accepts the following classes: */ | |
88 | enum RxFilter { | |
89 | RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8 | |
90 | }; | |
91 | ||
92 | /* Register window 1 offsets, the window used in normal operation. */ | |
93 | #define TX_FIFO 0x00 | |
94 | #define RX_FIFO 0x00 | |
95 | #define RX_STATUS 0x08 | |
96 | #define TX_STATUS 0x0B | |
97 | #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */ | |
98 | ||
99 | #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */ | |
100 | #define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */ | |
101 | #define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */ | |
102 | #define MEDIA_LED 0x0001 /* Enable link light on 3C589E cards. */ | |
103 | ||
104 | /* Time in jiffies before concluding Tx hung */ | |
105 | #define TX_TIMEOUT ((400*HZ)/1000) | |
106 | ||
107 | struct el3_private { | |
108 | dev_link_t link; | |
109 | dev_node_t node; | |
110 | struct net_device_stats stats; | |
111 | /* For transceiver monitoring */ | |
112 | struct timer_list media; | |
113 | u16 media_status; | |
114 | u16 fast_poll; | |
115 | unsigned long last_irq; | |
116 | spinlock_t lock; | |
117 | }; | |
118 | ||
119 | static char *if_names[] = { "auto", "10baseT", "10base2", "AUI" }; | |
120 | ||
121 | /*====================================================================*/ | |
122 | ||
123 | /* Module parameters */ | |
124 | ||
125 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); | |
126 | MODULE_DESCRIPTION("3Com 3c589 series PCMCIA ethernet driver"); | |
127 | MODULE_LICENSE("GPL"); | |
128 | ||
129 | #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) | |
130 | ||
131 | /* Special hook for setting if_port when module is loaded */ | |
132 | INT_MODULE_PARM(if_port, 0); | |
133 | ||
134 | #ifdef PCMCIA_DEBUG | |
135 | INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG); | |
136 | #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) | |
137 | static char *version = | |
138 | DRV_NAME ".c " DRV_VERSION " 2001/10/13 00:08:50 (David Hinds)"; | |
139 | #else | |
140 | #define DEBUG(n, args...) | |
141 | #endif | |
142 | ||
143 | /*====================================================================*/ | |
144 | ||
145 | static void tc589_config(dev_link_t *link); | |
146 | static void tc589_release(dev_link_t *link); | |
147 | static int tc589_event(event_t event, int priority, | |
148 | event_callback_args_t *args); | |
149 | ||
150 | static u16 read_eeprom(kio_addr_t ioaddr, int index); | |
151 | static void tc589_reset(struct net_device *dev); | |
152 | static void media_check(unsigned long arg); | |
153 | static int el3_config(struct net_device *dev, struct ifmap *map); | |
154 | static int el3_open(struct net_device *dev); | |
155 | static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
156 | static irqreturn_t el3_interrupt(int irq, void *dev_id, struct pt_regs *regs); | |
157 | static void update_stats(struct net_device *dev); | |
158 | static struct net_device_stats *el3_get_stats(struct net_device *dev); | |
159 | static int el3_rx(struct net_device *dev); | |
160 | static int el3_close(struct net_device *dev); | |
161 | static void el3_tx_timeout(struct net_device *dev); | |
162 | static void set_multicast_list(struct net_device *dev); | |
163 | static struct ethtool_ops netdev_ethtool_ops; | |
164 | ||
165 | static dev_info_t dev_info = "3c589_cs"; | |
166 | ||
167 | static dev_link_t *tc589_attach(void); | |
168 | static void tc589_detach(dev_link_t *); | |
169 | ||
170 | static dev_link_t *dev_list; | |
171 | ||
172 | /*====================================================================== | |
173 | ||
174 | tc589_attach() creates an "instance" of the driver, allocating | |
175 | local data structures for one device. The device is registered | |
176 | with Card Services. | |
177 | ||
178 | ======================================================================*/ | |
179 | ||
180 | static dev_link_t *tc589_attach(void) | |
181 | { | |
182 | struct el3_private *lp; | |
183 | client_reg_t client_reg; | |
184 | dev_link_t *link; | |
185 | struct net_device *dev; | |
186 | int ret; | |
187 | ||
188 | DEBUG(0, "3c589_attach()\n"); | |
189 | ||
190 | /* Create new ethernet device */ | |
191 | dev = alloc_etherdev(sizeof(struct el3_private)); | |
192 | if (!dev) | |
193 | return NULL; | |
194 | lp = netdev_priv(dev); | |
195 | link = &lp->link; | |
196 | link->priv = dev; | |
197 | ||
198 | spin_lock_init(&lp->lock); | |
199 | link->io.NumPorts1 = 16; | |
200 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; | |
201 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; | |
202 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
203 | link->irq.Handler = &el3_interrupt; | |
204 | link->irq.Instance = dev; | |
205 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
206 | link->conf.Vcc = 50; | |
207 | link->conf.IntType = INT_MEMORY_AND_IO; | |
208 | link->conf.ConfigIndex = 1; | |
209 | link->conf.Present = PRESENT_OPTION; | |
210 | ||
211 | /* The EL3-specific entries in the device structure. */ | |
212 | SET_MODULE_OWNER(dev); | |
213 | dev->hard_start_xmit = &el3_start_xmit; | |
214 | dev->set_config = &el3_config; | |
215 | dev->get_stats = &el3_get_stats; | |
216 | dev->set_multicast_list = &set_multicast_list; | |
217 | dev->open = &el3_open; | |
218 | dev->stop = &el3_close; | |
219 | #ifdef HAVE_TX_TIMEOUT | |
220 | dev->tx_timeout = el3_tx_timeout; | |
221 | dev->watchdog_timeo = TX_TIMEOUT; | |
222 | #endif | |
223 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); | |
224 | ||
225 | /* Register with Card Services */ | |
226 | link->next = dev_list; | |
227 | dev_list = link; | |
228 | client_reg.dev_info = &dev_info; | |
229 | client_reg.EventMask = | |
230 | CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | | |
231 | CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | | |
232 | CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; | |
233 | client_reg.event_handler = &tc589_event; | |
234 | client_reg.Version = 0x0210; | |
235 | client_reg.event_callback_args.client_data = link; | |
236 | ret = pcmcia_register_client(&link->handle, &client_reg); | |
237 | if (ret != 0) { | |
238 | cs_error(link->handle, RegisterClient, ret); | |
239 | tc589_detach(link); | |
240 | return NULL; | |
241 | } | |
242 | ||
243 | return link; | |
244 | } /* tc589_attach */ | |
245 | ||
246 | /*====================================================================== | |
247 | ||
248 | This deletes a driver "instance". The device is de-registered | |
249 | with Card Services. If it has been released, all local data | |
250 | structures are freed. Otherwise, the structures will be freed | |
251 | when the device is released. | |
252 | ||
253 | ======================================================================*/ | |
254 | ||
255 | static void tc589_detach(dev_link_t *link) | |
256 | { | |
257 | struct net_device *dev = link->priv; | |
258 | dev_link_t **linkp; | |
259 | ||
260 | DEBUG(0, "3c589_detach(0x%p)\n", link); | |
261 | ||
262 | /* Locate device structure */ | |
263 | for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) | |
264 | if (*linkp == link) break; | |
265 | if (*linkp == NULL) | |
266 | return; | |
267 | ||
268 | if (link->dev) | |
269 | unregister_netdev(dev); | |
270 | ||
271 | if (link->state & DEV_CONFIG) | |
272 | tc589_release(link); | |
273 | ||
274 | if (link->handle) | |
275 | pcmcia_deregister_client(link->handle); | |
276 | ||
277 | /* Unlink device structure, free bits */ | |
278 | *linkp = link->next; | |
279 | free_netdev(dev); | |
280 | } /* tc589_detach */ | |
281 | ||
282 | /*====================================================================== | |
283 | ||
284 | tc589_config() is scheduled to run after a CARD_INSERTION event | |
285 | is received, to configure the PCMCIA socket, and to make the | |
286 | ethernet device available to the system. | |
287 | ||
288 | ======================================================================*/ | |
289 | ||
290 | #define CS_CHECK(fn, ret) \ | |
291 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
292 | ||
293 | static void tc589_config(dev_link_t *link) | |
294 | { | |
295 | client_handle_t handle = link->handle; | |
296 | struct net_device *dev = link->priv; | |
297 | struct el3_private *lp = netdev_priv(dev); | |
298 | tuple_t tuple; | |
299 | cisparse_t parse; | |
300 | u16 buf[32], *phys_addr; | |
301 | int last_fn, last_ret, i, j, multi = 0, fifo; | |
302 | kio_addr_t ioaddr; | |
303 | char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"}; | |
304 | ||
305 | DEBUG(0, "3c589_config(0x%p)\n", link); | |
306 | ||
307 | phys_addr = (u16 *)dev->dev_addr; | |
308 | tuple.Attributes = 0; | |
309 | tuple.DesiredTuple = CISTPL_CONFIG; | |
310 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
311 | tuple.TupleData = (cisdata_t *)buf; | |
312 | tuple.TupleDataMax = sizeof(buf); | |
313 | tuple.TupleOffset = 0; | |
314 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); | |
315 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); | |
316 | link->conf.ConfigBase = parse.config.base; | |
317 | link->conf.Present = parse.config.rmask[0]; | |
318 | ||
319 | /* Is this a 3c562? */ | |
320 | tuple.DesiredTuple = CISTPL_MANFID; | |
321 | tuple.Attributes = TUPLE_RETURN_COMMON; | |
322 | if ((pcmcia_get_first_tuple(handle, &tuple) == CS_SUCCESS) && | |
323 | (pcmcia_get_tuple_data(handle, &tuple) == CS_SUCCESS)) { | |
324 | if (le16_to_cpu(buf[0]) != MANFID_3COM) | |
325 | printk(KERN_INFO "3c589_cs: hmmm, is this really a " | |
326 | "3Com card??\n"); | |
327 | multi = (le16_to_cpu(buf[1]) == PRODID_3COM_3C562); | |
328 | } | |
329 | ||
330 | /* Configure card */ | |
331 | link->state |= DEV_CONFIG; | |
332 | ||
333 | /* For the 3c562, the base address must be xx00-xx7f */ | |
334 | link->io.IOAddrLines = 16; | |
335 | for (i = j = 0; j < 0x400; j += 0x10) { | |
336 | if (multi && (j & 0x80)) continue; | |
337 | link->io.BasePort1 = j ^ 0x300; | |
338 | i = pcmcia_request_io(link->handle, &link->io); | |
339 | if (i == CS_SUCCESS) break; | |
340 | } | |
341 | if (i != CS_SUCCESS) { | |
342 | cs_error(link->handle, RequestIO, i); | |
343 | goto failed; | |
344 | } | |
345 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); | |
346 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); | |
347 | ||
348 | dev->irq = link->irq.AssignedIRQ; | |
349 | dev->base_addr = link->io.BasePort1; | |
350 | ioaddr = dev->base_addr; | |
351 | EL3WINDOW(0); | |
352 | ||
353 | /* The 3c589 has an extra EEPROM for configuration info, including | |
354 | the hardware address. The 3c562 puts the address in the CIS. */ | |
355 | tuple.DesiredTuple = 0x88; | |
356 | if (pcmcia_get_first_tuple(handle, &tuple) == CS_SUCCESS) { | |
357 | pcmcia_get_tuple_data(handle, &tuple); | |
358 | for (i = 0; i < 3; i++) | |
359 | phys_addr[i] = htons(buf[i]); | |
360 | } else { | |
361 | for (i = 0; i < 3; i++) | |
362 | phys_addr[i] = htons(read_eeprom(ioaddr, i)); | |
363 | if (phys_addr[0] == 0x6060) { | |
364 | printk(KERN_ERR "3c589_cs: IO port conflict at 0x%03lx" | |
365 | "-0x%03lx\n", dev->base_addr, dev->base_addr+15); | |
366 | goto failed; | |
367 | } | |
368 | } | |
369 | ||
370 | /* The address and resource configuration register aren't loaded from | |
371 | the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version. */ | |
372 | outw(0x3f00, ioaddr + 8); | |
373 | fifo = inl(ioaddr); | |
374 | ||
375 | /* The if_port symbol can be set when the module is loaded */ | |
376 | if ((if_port >= 0) && (if_port <= 3)) | |
377 | dev->if_port = if_port; | |
378 | else | |
379 | printk(KERN_ERR "3c589_cs: invalid if_port requested\n"); | |
380 | ||
381 | link->dev = &lp->node; | |
382 | link->state &= ~DEV_CONFIG_PENDING; | |
383 | SET_NETDEV_DEV(dev, &handle_to_dev(handle)); | |
384 | ||
385 | if (register_netdev(dev) != 0) { | |
386 | printk(KERN_ERR "3c589_cs: register_netdev() failed\n"); | |
387 | link->dev = NULL; | |
388 | goto failed; | |
389 | } | |
390 | ||
391 | strcpy(lp->node.dev_name, dev->name); | |
392 | ||
393 | printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, hw_addr ", | |
394 | dev->name, (multi ? "562" : "589"), dev->base_addr, | |
395 | dev->irq); | |
396 | for (i = 0; i < 6; i++) | |
397 | printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n")); | |
398 | printk(KERN_INFO " %dK FIFO split %s Rx:Tx, %s xcvr\n", | |
399 | (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3], | |
400 | if_names[dev->if_port]); | |
401 | return; | |
402 | ||
403 | cs_failed: | |
404 | cs_error(link->handle, last_fn, last_ret); | |
405 | failed: | |
406 | tc589_release(link); | |
407 | return; | |
408 | ||
409 | } /* tc589_config */ | |
410 | ||
411 | /*====================================================================== | |
412 | ||
413 | After a card is removed, tc589_release() will unregister the net | |
414 | device, and release the PCMCIA configuration. If the device is | |
415 | still open, this will be postponed until it is closed. | |
416 | ||
417 | ======================================================================*/ | |
418 | ||
419 | static void tc589_release(dev_link_t *link) | |
420 | { | |
421 | DEBUG(0, "3c589_release(0x%p)\n", link); | |
422 | ||
423 | pcmcia_release_configuration(link->handle); | |
424 | pcmcia_release_io(link->handle, &link->io); | |
425 | pcmcia_release_irq(link->handle, &link->irq); | |
426 | ||
427 | link->state &= ~DEV_CONFIG; | |
428 | } | |
429 | ||
430 | /*====================================================================== | |
431 | ||
432 | The card status event handler. Mostly, this schedules other | |
433 | stuff to run after an event is received. A CARD_REMOVAL event | |
434 | also sets some flags to discourage the net drivers from trying | |
435 | to talk to the card any more. | |
436 | ||
437 | ======================================================================*/ | |
438 | ||
439 | static int tc589_event(event_t event, int priority, | |
440 | event_callback_args_t *args) | |
441 | { | |
442 | dev_link_t *link = args->client_data; | |
443 | struct net_device *dev = link->priv; | |
444 | ||
445 | DEBUG(1, "3c589_event(0x%06x)\n", event); | |
446 | ||
447 | switch (event) { | |
448 | case CS_EVENT_CARD_REMOVAL: | |
449 | link->state &= ~DEV_PRESENT; | |
450 | if (link->state & DEV_CONFIG) | |
451 | netif_device_detach(dev); | |
452 | break; | |
453 | case CS_EVENT_CARD_INSERTION: | |
454 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; | |
455 | tc589_config(link); | |
456 | break; | |
457 | case CS_EVENT_PM_SUSPEND: | |
458 | link->state |= DEV_SUSPEND; | |
459 | /* Fall through... */ | |
460 | case CS_EVENT_RESET_PHYSICAL: | |
461 | if (link->state & DEV_CONFIG) { | |
462 | if (link->open) | |
463 | netif_device_detach(dev); | |
464 | pcmcia_release_configuration(link->handle); | |
465 | } | |
466 | break; | |
467 | case CS_EVENT_PM_RESUME: | |
468 | link->state &= ~DEV_SUSPEND; | |
469 | /* Fall through... */ | |
470 | case CS_EVENT_CARD_RESET: | |
471 | if (link->state & DEV_CONFIG) { | |
472 | pcmcia_request_configuration(link->handle, &link->conf); | |
473 | if (link->open) { | |
474 | tc589_reset(dev); | |
475 | netif_device_attach(dev); | |
476 | } | |
477 | } | |
478 | break; | |
479 | } | |
480 | return 0; | |
481 | } /* tc589_event */ | |
482 | ||
483 | /*====================================================================*/ | |
484 | ||
485 | /* | |
486 | Use this for commands that may take time to finish | |
487 | */ | |
488 | static void tc589_wait_for_completion(struct net_device *dev, int cmd) | |
489 | { | |
490 | int i = 100; | |
491 | outw(cmd, dev->base_addr + EL3_CMD); | |
492 | while (--i > 0) | |
493 | if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break; | |
494 | if (i == 0) | |
495 | printk(KERN_WARNING "%s: command 0x%04x did not complete!\n", | |
496 | dev->name, cmd); | |
497 | } | |
498 | ||
499 | /* | |
500 | Read a word from the EEPROM using the regular EEPROM access register. | |
501 | Assume that we are in register window zero. | |
502 | */ | |
503 | static u16 read_eeprom(kio_addr_t ioaddr, int index) | |
504 | { | |
505 | int i; | |
506 | outw(EEPROM_READ + index, ioaddr + 10); | |
507 | /* Reading the eeprom takes 162 us */ | |
508 | for (i = 1620; i >= 0; i--) | |
509 | if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0) | |
510 | break; | |
511 | return inw(ioaddr + 12); | |
512 | } | |
513 | ||
514 | /* | |
515 | Set transceiver type, perhaps to something other than what the user | |
516 | specified in dev->if_port. | |
517 | */ | |
518 | static void tc589_set_xcvr(struct net_device *dev, int if_port) | |
519 | { | |
520 | struct el3_private *lp = netdev_priv(dev); | |
521 | kio_addr_t ioaddr = dev->base_addr; | |
522 | ||
523 | EL3WINDOW(0); | |
524 | switch (if_port) { | |
525 | case 0: case 1: outw(0, ioaddr + 6); break; | |
526 | case 2: outw(3<<14, ioaddr + 6); break; | |
527 | case 3: outw(1<<14, ioaddr + 6); break; | |
528 | } | |
529 | /* On PCMCIA, this just turns on the LED */ | |
530 | outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD); | |
531 | /* 10baseT interface, enable link beat and jabber check. */ | |
532 | EL3WINDOW(4); | |
533 | outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA); | |
534 | EL3WINDOW(1); | |
535 | if (if_port == 2) | |
536 | lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000); | |
537 | else | |
538 | lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800); | |
539 | } | |
540 | ||
541 | static void dump_status(struct net_device *dev) | |
542 | { | |
543 | kio_addr_t ioaddr = dev->base_addr; | |
544 | EL3WINDOW(1); | |
545 | printk(KERN_INFO " irq status %04x, rx status %04x, tx status " | |
546 | "%02x tx free %04x\n", inw(ioaddr+EL3_STATUS), | |
547 | inw(ioaddr+RX_STATUS), inb(ioaddr+TX_STATUS), | |
548 | inw(ioaddr+TX_FREE)); | |
549 | EL3WINDOW(4); | |
550 | printk(KERN_INFO " diagnostics: fifo %04x net %04x ethernet %04x" | |
551 | " media %04x\n", inw(ioaddr+0x04), inw(ioaddr+0x06), | |
552 | inw(ioaddr+0x08), inw(ioaddr+0x0a)); | |
553 | EL3WINDOW(1); | |
554 | } | |
555 | ||
556 | /* Reset and restore all of the 3c589 registers. */ | |
557 | static void tc589_reset(struct net_device *dev) | |
558 | { | |
559 | kio_addr_t ioaddr = dev->base_addr; | |
560 | int i; | |
561 | ||
562 | EL3WINDOW(0); | |
563 | outw(0x0001, ioaddr + 4); /* Activate board. */ | |
564 | outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */ | |
565 | ||
566 | /* Set the station address in window 2. */ | |
567 | EL3WINDOW(2); | |
568 | for (i = 0; i < 6; i++) | |
569 | outb(dev->dev_addr[i], ioaddr + i); | |
570 | ||
571 | tc589_set_xcvr(dev, dev->if_port); | |
572 | ||
573 | /* Switch to the stats window, and clear all stats by reading. */ | |
574 | outw(StatsDisable, ioaddr + EL3_CMD); | |
575 | EL3WINDOW(6); | |
576 | for (i = 0; i < 9; i++) | |
577 | inb(ioaddr+i); | |
578 | inw(ioaddr + 10); | |
579 | inw(ioaddr + 12); | |
580 | ||
581 | /* Switch to register set 1 for normal use. */ | |
582 | EL3WINDOW(1); | |
583 | ||
584 | /* Accept b-cast and phys addr only. */ | |
585 | outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD); | |
586 | outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ | |
587 | outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ | |
588 | outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ | |
589 | /* Allow status bits to be seen. */ | |
590 | outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD); | |
591 | /* Ack all pending events, and set active indicator mask. */ | |
592 | outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq, | |
593 | ioaddr + EL3_CMD); | |
594 | outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull | |
595 | | AdapterFailure, ioaddr + EL3_CMD); | |
596 | } | |
597 | ||
598 | static void netdev_get_drvinfo(struct net_device *dev, | |
599 | struct ethtool_drvinfo *info) | |
600 | { | |
601 | strcpy(info->driver, DRV_NAME); | |
602 | strcpy(info->version, DRV_VERSION); | |
603 | sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); | |
604 | } | |
605 | ||
606 | #ifdef PCMCIA_DEBUG | |
607 | static u32 netdev_get_msglevel(struct net_device *dev) | |
608 | { | |
609 | return pc_debug; | |
610 | } | |
611 | ||
612 | static void netdev_set_msglevel(struct net_device *dev, u32 level) | |
613 | { | |
614 | pc_debug = level; | |
615 | } | |
616 | #endif /* PCMCIA_DEBUG */ | |
617 | ||
618 | static struct ethtool_ops netdev_ethtool_ops = { | |
619 | .get_drvinfo = netdev_get_drvinfo, | |
620 | #ifdef PCMCIA_DEBUG | |
621 | .get_msglevel = netdev_get_msglevel, | |
622 | .set_msglevel = netdev_set_msglevel, | |
623 | #endif /* PCMCIA_DEBUG */ | |
624 | }; | |
625 | ||
626 | static int el3_config(struct net_device *dev, struct ifmap *map) | |
627 | { | |
628 | if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { | |
629 | if (map->port <= 3) { | |
630 | dev->if_port = map->port; | |
631 | printk(KERN_INFO "%s: switched to %s port\n", | |
632 | dev->name, if_names[dev->if_port]); | |
633 | tc589_set_xcvr(dev, dev->if_port); | |
634 | } else | |
635 | return -EINVAL; | |
636 | } | |
637 | return 0; | |
638 | } | |
639 | ||
640 | static int el3_open(struct net_device *dev) | |
641 | { | |
642 | struct el3_private *lp = netdev_priv(dev); | |
643 | dev_link_t *link = &lp->link; | |
644 | ||
645 | if (!DEV_OK(link)) | |
646 | return -ENODEV; | |
647 | ||
648 | link->open++; | |
649 | netif_start_queue(dev); | |
650 | ||
651 | tc589_reset(dev); | |
652 | init_timer(&lp->media); | |
653 | lp->media.function = &media_check; | |
654 | lp->media.data = (unsigned long) dev; | |
655 | lp->media.expires = jiffies + HZ; | |
656 | add_timer(&lp->media); | |
657 | ||
658 | DEBUG(1, "%s: opened, status %4.4x.\n", | |
659 | dev->name, inw(dev->base_addr + EL3_STATUS)); | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
664 | static void el3_tx_timeout(struct net_device *dev) | |
665 | { | |
666 | struct el3_private *lp = netdev_priv(dev); | |
667 | kio_addr_t ioaddr = dev->base_addr; | |
668 | ||
669 | printk(KERN_WARNING "%s: Transmit timed out!\n", dev->name); | |
670 | dump_status(dev); | |
671 | lp->stats.tx_errors++; | |
672 | dev->trans_start = jiffies; | |
673 | /* Issue TX_RESET and TX_START commands. */ | |
674 | tc589_wait_for_completion(dev, TxReset); | |
675 | outw(TxEnable, ioaddr + EL3_CMD); | |
676 | netif_wake_queue(dev); | |
677 | } | |
678 | ||
679 | static void pop_tx_status(struct net_device *dev) | |
680 | { | |
681 | struct el3_private *lp = netdev_priv(dev); | |
682 | kio_addr_t ioaddr = dev->base_addr; | |
683 | int i; | |
684 | ||
685 | /* Clear the Tx status stack. */ | |
686 | for (i = 32; i > 0; i--) { | |
687 | u_char tx_status = inb(ioaddr + TX_STATUS); | |
688 | if (!(tx_status & 0x84)) break; | |
689 | /* reset transmitter on jabber error or underrun */ | |
690 | if (tx_status & 0x30) | |
691 | tc589_wait_for_completion(dev, TxReset); | |
692 | if (tx_status & 0x38) { | |
693 | DEBUG(1, "%s: transmit error: status 0x%02x\n", | |
694 | dev->name, tx_status); | |
695 | outw(TxEnable, ioaddr + EL3_CMD); | |
696 | lp->stats.tx_aborted_errors++; | |
697 | } | |
698 | outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ | |
699 | } | |
700 | } | |
701 | ||
702 | static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
703 | { | |
704 | kio_addr_t ioaddr = dev->base_addr; | |
705 | struct el3_private *priv = netdev_priv(dev); | |
706 | ||
707 | DEBUG(3, "%s: el3_start_xmit(length = %ld) called, " | |
708 | "status %4.4x.\n", dev->name, (long)skb->len, | |
709 | inw(ioaddr + EL3_STATUS)); | |
710 | ||
711 | priv->stats.tx_bytes += skb->len; | |
712 | ||
713 | /* Put out the doubleword header... */ | |
714 | outw(skb->len, ioaddr + TX_FIFO); | |
715 | outw(0x00, ioaddr + TX_FIFO); | |
716 | /* ... and the packet rounded to a doubleword. */ | |
717 | outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); | |
718 | ||
719 | dev->trans_start = jiffies; | |
720 | if (inw(ioaddr + TX_FREE) <= 1536) { | |
721 | netif_stop_queue(dev); | |
722 | /* Interrupt us when the FIFO has room for max-sized packet. */ | |
723 | outw(SetTxThreshold + 1536, ioaddr + EL3_CMD); | |
724 | } | |
725 | ||
726 | dev_kfree_skb(skb); | |
727 | pop_tx_status(dev); | |
728 | ||
729 | return 0; | |
730 | } | |
731 | ||
732 | /* The EL3 interrupt handler. */ | |
733 | static irqreturn_t el3_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
734 | { | |
735 | struct net_device *dev = (struct net_device *) dev_id; | |
736 | struct el3_private *lp = netdev_priv(dev); | |
737 | kio_addr_t ioaddr; | |
738 | __u16 status; | |
739 | int i = 0, handled = 1; | |
740 | ||
741 | if (!netif_device_present(dev)) | |
742 | return IRQ_NONE; | |
743 | ||
744 | ioaddr = dev->base_addr; | |
745 | ||
746 | DEBUG(3, "%s: interrupt, status %4.4x.\n", | |
747 | dev->name, inw(ioaddr + EL3_STATUS)); | |
748 | ||
749 | spin_lock(&lp->lock); | |
750 | while ((status = inw(ioaddr + EL3_STATUS)) & | |
751 | (IntLatch | RxComplete | StatsFull)) { | |
752 | if ((status & 0xe000) != 0x2000) { | |
753 | DEBUG(1, "%s: interrupt from dead card\n", dev->name); | |
754 | handled = 0; | |
755 | break; | |
756 | } | |
757 | ||
758 | if (status & RxComplete) | |
759 | el3_rx(dev); | |
760 | ||
761 | if (status & TxAvailable) { | |
762 | DEBUG(3, " TX room bit was handled.\n"); | |
763 | /* There's room in the FIFO for a full-sized packet. */ | |
764 | outw(AckIntr | TxAvailable, ioaddr + EL3_CMD); | |
765 | netif_wake_queue(dev); | |
766 | } | |
767 | ||
768 | if (status & TxComplete) | |
769 | pop_tx_status(dev); | |
770 | ||
771 | if (status & (AdapterFailure | RxEarly | StatsFull)) { | |
772 | /* Handle all uncommon interrupts. */ | |
773 | if (status & StatsFull) /* Empty statistics. */ | |
774 | update_stats(dev); | |
775 | if (status & RxEarly) { /* Rx early is unused. */ | |
776 | el3_rx(dev); | |
777 | outw(AckIntr | RxEarly, ioaddr + EL3_CMD); | |
778 | } | |
779 | if (status & AdapterFailure) { | |
780 | u16 fifo_diag; | |
781 | EL3WINDOW(4); | |
782 | fifo_diag = inw(ioaddr + 4); | |
783 | EL3WINDOW(1); | |
784 | printk(KERN_WARNING "%s: adapter failure, FIFO diagnostic" | |
785 | " register %04x.\n", dev->name, fifo_diag); | |
786 | if (fifo_diag & 0x0400) { | |
787 | /* Tx overrun */ | |
788 | tc589_wait_for_completion(dev, TxReset); | |
789 | outw(TxEnable, ioaddr + EL3_CMD); | |
790 | } | |
791 | if (fifo_diag & 0x2000) { | |
792 | /* Rx underrun */ | |
793 | tc589_wait_for_completion(dev, RxReset); | |
794 | set_multicast_list(dev); | |
795 | outw(RxEnable, ioaddr + EL3_CMD); | |
796 | } | |
797 | outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); | |
798 | } | |
799 | } | |
800 | ||
801 | if (++i > 10) { | |
802 | printk(KERN_ERR "%s: infinite loop in interrupt, " | |
803 | "status %4.4x.\n", dev->name, status); | |
804 | /* Clear all interrupts */ | |
805 | outw(AckIntr | 0xFF, ioaddr + EL3_CMD); | |
806 | break; | |
807 | } | |
808 | /* Acknowledge the IRQ. */ | |
809 | outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); | |
810 | } | |
811 | ||
812 | lp->last_irq = jiffies; | |
813 | spin_unlock(&lp->lock); | |
814 | DEBUG(3, "%s: exiting interrupt, status %4.4x.\n", | |
815 | dev->name, inw(ioaddr + EL3_STATUS)); | |
816 | return IRQ_RETVAL(handled); | |
817 | } | |
818 | ||
819 | static void media_check(unsigned long arg) | |
820 | { | |
821 | struct net_device *dev = (struct net_device *)(arg); | |
822 | struct el3_private *lp = netdev_priv(dev); | |
823 | kio_addr_t ioaddr = dev->base_addr; | |
824 | u16 media, errs; | |
825 | unsigned long flags; | |
826 | ||
827 | if (!netif_device_present(dev)) goto reschedule; | |
828 | ||
829 | EL3WINDOW(1); | |
830 | /* Check for pending interrupt with expired latency timer: with | |
831 | this, we can limp along even if the interrupt is blocked */ | |
832 | if ((inw(ioaddr + EL3_STATUS) & IntLatch) && | |
833 | (inb(ioaddr + EL3_TIMER) == 0xff)) { | |
834 | if (!lp->fast_poll) | |
835 | printk(KERN_WARNING "%s: interrupt(s) dropped!\n", dev->name); | |
836 | el3_interrupt(dev->irq, lp, NULL); | |
837 | lp->fast_poll = HZ; | |
838 | } | |
839 | if (lp->fast_poll) { | |
840 | lp->fast_poll--; | |
841 | lp->media.expires = jiffies + HZ/100; | |
842 | add_timer(&lp->media); | |
843 | return; | |
844 | } | |
845 | ||
846 | /* lp->lock guards the EL3 window. Window should always be 1 except | |
847 | when the lock is held */ | |
848 | spin_lock_irqsave(&lp->lock, flags); | |
849 | EL3WINDOW(4); | |
850 | media = inw(ioaddr+WN4_MEDIA) & 0xc810; | |
851 | ||
852 | /* Ignore collisions unless we've had no irq's recently */ | |
853 | if (jiffies - lp->last_irq < HZ) { | |
854 | media &= ~0x0010; | |
855 | } else { | |
856 | /* Try harder to detect carrier errors */ | |
857 | EL3WINDOW(6); | |
858 | outw(StatsDisable, ioaddr + EL3_CMD); | |
859 | errs = inb(ioaddr + 0); | |
860 | outw(StatsEnable, ioaddr + EL3_CMD); | |
861 | lp->stats.tx_carrier_errors += errs; | |
862 | if (errs || (lp->media_status & 0x0010)) media |= 0x0010; | |
863 | } | |
864 | ||
865 | if (media != lp->media_status) { | |
866 | if ((media & lp->media_status & 0x8000) && | |
867 | ((lp->media_status ^ media) & 0x0800)) | |
868 | printk(KERN_INFO "%s: %s link beat\n", dev->name, | |
869 | (lp->media_status & 0x0800 ? "lost" : "found")); | |
870 | else if ((media & lp->media_status & 0x4000) && | |
871 | ((lp->media_status ^ media) & 0x0010)) | |
872 | printk(KERN_INFO "%s: coax cable %s\n", dev->name, | |
873 | (lp->media_status & 0x0010 ? "ok" : "problem")); | |
874 | if (dev->if_port == 0) { | |
875 | if (media & 0x8000) { | |
876 | if (media & 0x0800) | |
877 | printk(KERN_INFO "%s: flipped to 10baseT\n", | |
878 | dev->name); | |
879 | else | |
880 | tc589_set_xcvr(dev, 2); | |
881 | } else if (media & 0x4000) { | |
882 | if (media & 0x0010) | |
883 | tc589_set_xcvr(dev, 1); | |
884 | else | |
885 | printk(KERN_INFO "%s: flipped to 10base2\n", | |
886 | dev->name); | |
887 | } | |
888 | } | |
889 | lp->media_status = media; | |
890 | } | |
891 | ||
892 | EL3WINDOW(1); | |
893 | spin_unlock_irqrestore(&lp->lock, flags); | |
894 | ||
895 | reschedule: | |
896 | lp->media.expires = jiffies + HZ; | |
897 | add_timer(&lp->media); | |
898 | } | |
899 | ||
900 | static struct net_device_stats *el3_get_stats(struct net_device *dev) | |
901 | { | |
902 | struct el3_private *lp = netdev_priv(dev); | |
903 | unsigned long flags; | |
904 | dev_link_t *link = &lp->link; | |
905 | ||
906 | if (DEV_OK(link)) { | |
907 | spin_lock_irqsave(&lp->lock, flags); | |
908 | update_stats(dev); | |
909 | spin_unlock_irqrestore(&lp->lock, flags); | |
910 | } | |
911 | return &lp->stats; | |
912 | } | |
913 | ||
914 | /* | |
915 | Update statistics. We change to register window 6, so this should be run | |
916 | single-threaded if the device is active. This is expected to be a rare | |
917 | operation, and it's simpler for the rest of the driver to assume that | |
918 | window 1 is always valid rather than use a special window-state variable. | |
919 | ||
920 | Caller must hold the lock for this | |
921 | */ | |
922 | static void update_stats(struct net_device *dev) | |
923 | { | |
924 | struct el3_private *lp = netdev_priv(dev); | |
925 | kio_addr_t ioaddr = dev->base_addr; | |
926 | ||
927 | DEBUG(2, "%s: updating the statistics.\n", dev->name); | |
928 | /* Turn off statistics updates while reading. */ | |
929 | outw(StatsDisable, ioaddr + EL3_CMD); | |
930 | /* Switch to the stats window, and read everything. */ | |
931 | EL3WINDOW(6); | |
932 | lp->stats.tx_carrier_errors += inb(ioaddr + 0); | |
933 | lp->stats.tx_heartbeat_errors += inb(ioaddr + 1); | |
934 | /* Multiple collisions. */ inb(ioaddr + 2); | |
935 | lp->stats.collisions += inb(ioaddr + 3); | |
936 | lp->stats.tx_window_errors += inb(ioaddr + 4); | |
937 | lp->stats.rx_fifo_errors += inb(ioaddr + 5); | |
938 | lp->stats.tx_packets += inb(ioaddr + 6); | |
939 | /* Rx packets */ inb(ioaddr + 7); | |
940 | /* Tx deferrals */ inb(ioaddr + 8); | |
941 | /* Rx octets */ inw(ioaddr + 10); | |
942 | /* Tx octets */ inw(ioaddr + 12); | |
943 | ||
944 | /* Back to window 1, and turn statistics back on. */ | |
945 | EL3WINDOW(1); | |
946 | outw(StatsEnable, ioaddr + EL3_CMD); | |
947 | } | |
948 | ||
949 | static int el3_rx(struct net_device *dev) | |
950 | { | |
951 | struct el3_private *lp = netdev_priv(dev); | |
952 | kio_addr_t ioaddr = dev->base_addr; | |
953 | int worklimit = 32; | |
954 | short rx_status; | |
955 | ||
956 | DEBUG(3, "%s: in rx_packet(), status %4.4x, rx_status %4.4x.\n", | |
957 | dev->name, inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS)); | |
958 | while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) && | |
959 | (--worklimit >= 0)) { | |
960 | if (rx_status & 0x4000) { /* Error, update stats. */ | |
961 | short error = rx_status & 0x3800; | |
962 | lp->stats.rx_errors++; | |
963 | switch (error) { | |
964 | case 0x0000: lp->stats.rx_over_errors++; break; | |
965 | case 0x0800: lp->stats.rx_length_errors++; break; | |
966 | case 0x1000: lp->stats.rx_frame_errors++; break; | |
967 | case 0x1800: lp->stats.rx_length_errors++; break; | |
968 | case 0x2000: lp->stats.rx_frame_errors++; break; | |
969 | case 0x2800: lp->stats.rx_crc_errors++; break; | |
970 | } | |
971 | } else { | |
972 | short pkt_len = rx_status & 0x7ff; | |
973 | struct sk_buff *skb; | |
974 | ||
975 | skb = dev_alloc_skb(pkt_len+5); | |
976 | ||
977 | DEBUG(3, " Receiving packet size %d status %4.4x.\n", | |
978 | pkt_len, rx_status); | |
979 | if (skb != NULL) { | |
980 | skb->dev = dev; | |
981 | skb_reserve(skb, 2); | |
982 | insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len), | |
983 | (pkt_len+3)>>2); | |
984 | skb->protocol = eth_type_trans(skb, dev); | |
985 | netif_rx(skb); | |
986 | dev->last_rx = jiffies; | |
987 | lp->stats.rx_packets++; | |
988 | lp->stats.rx_bytes += pkt_len; | |
989 | } else { | |
990 | DEBUG(1, "%s: couldn't allocate a sk_buff of" | |
991 | " size %d.\n", dev->name, pkt_len); | |
992 | lp->stats.rx_dropped++; | |
993 | } | |
994 | } | |
995 | /* Pop the top of the Rx FIFO */ | |
996 | tc589_wait_for_completion(dev, RxDiscard); | |
997 | } | |
998 | if (worklimit == 0) | |
999 | printk(KERN_WARNING "%s: too much work in el3_rx!\n", dev->name); | |
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | static void set_multicast_list(struct net_device *dev) | |
1004 | { | |
1005 | struct el3_private *lp = netdev_priv(dev); | |
1006 | dev_link_t *link = &lp->link; | |
1007 | kio_addr_t ioaddr = dev->base_addr; | |
1008 | u16 opts = SetRxFilter | RxStation | RxBroadcast; | |
1009 | ||
1010 | if (!(DEV_OK(link))) return; | |
1011 | if (dev->flags & IFF_PROMISC) | |
1012 | opts |= RxMulticast | RxProm; | |
1013 | else if (dev->mc_count || (dev->flags & IFF_ALLMULTI)) | |
1014 | opts |= RxMulticast; | |
1015 | outw(opts, ioaddr + EL3_CMD); | |
1016 | } | |
1017 | ||
1018 | static int el3_close(struct net_device *dev) | |
1019 | { | |
1020 | struct el3_private *lp = netdev_priv(dev); | |
1021 | dev_link_t *link = &lp->link; | |
1022 | kio_addr_t ioaddr = dev->base_addr; | |
1023 | ||
1024 | DEBUG(1, "%s: shutting down ethercard.\n", dev->name); | |
1025 | ||
1026 | if (DEV_OK(link)) { | |
1027 | /* Turn off statistics ASAP. We update lp->stats below. */ | |
1028 | outw(StatsDisable, ioaddr + EL3_CMD); | |
1029 | ||
1030 | /* Disable the receiver and transmitter. */ | |
1031 | outw(RxDisable, ioaddr + EL3_CMD); | |
1032 | outw(TxDisable, ioaddr + EL3_CMD); | |
1033 | ||
1034 | if (dev->if_port == 2) | |
1035 | /* Turn off thinnet power. Green! */ | |
1036 | outw(StopCoax, ioaddr + EL3_CMD); | |
1037 | else if (dev->if_port == 1) { | |
1038 | /* Disable link beat and jabber */ | |
1039 | EL3WINDOW(4); | |
1040 | outw(0, ioaddr + WN4_MEDIA); | |
1041 | } | |
1042 | ||
1043 | /* Switching back to window 0 disables the IRQ. */ | |
1044 | EL3WINDOW(0); | |
1045 | /* But we explicitly zero the IRQ line select anyway. */ | |
1046 | outw(0x0f00, ioaddr + WN0_IRQ); | |
1047 | ||
1048 | /* Check if the card still exists */ | |
1049 | if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000) | |
1050 | update_stats(dev); | |
1051 | } | |
1052 | ||
1053 | link->open--; | |
1054 | netif_stop_queue(dev); | |
1055 | del_timer_sync(&lp->media); | |
1056 | ||
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | static struct pcmcia_driver tc589_driver = { | |
1061 | .owner = THIS_MODULE, | |
1062 | .drv = { | |
1063 | .name = "3c589_cs", | |
1064 | }, | |
1065 | .attach = tc589_attach, | |
1066 | .detach = tc589_detach, | |
1067 | }; | |
1068 | ||
1069 | static int __init init_tc589(void) | |
1070 | { | |
1071 | return pcmcia_register_driver(&tc589_driver); | |
1072 | } | |
1073 | ||
1074 | static void __exit exit_tc589(void) | |
1075 | { | |
1076 | pcmcia_unregister_driver(&tc589_driver); | |
1077 | BUG_ON(dev_list != NULL); | |
1078 | } | |
1079 | ||
1080 | module_init(init_tc589); | |
1081 | module_exit(exit_tc589); |