Commit | Line | Data |
---|---|---|
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 | ||
113aa838 | 18 | Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk> |
1da177e4 LT |
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> | |
ff5688ae | 42 | #include <linux/jiffies.h> |
1da177e4 | 43 | |
1da177e4 LT |
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 { | |
fd238232 | 108 | struct pcmcia_device *p_dev; |
1da177e4 LT |
109 | /* For transceiver monitoring */ |
110 | struct timer_list media; | |
111 | u16 media_status; | |
112 | u16 fast_poll; | |
113 | unsigned long last_irq; | |
114 | spinlock_t lock; | |
115 | }; | |
116 | ||
21c0f275 | 117 | static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" }; |
1da177e4 LT |
118 | |
119 | /*====================================================================*/ | |
120 | ||
121 | /* Module parameters */ | |
122 | ||
123 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); | |
124 | MODULE_DESCRIPTION("3Com 3c589 series PCMCIA ethernet driver"); | |
125 | MODULE_LICENSE("GPL"); | |
126 | ||
127 | #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) | |
128 | ||
129 | /* Special hook for setting if_port when module is loaded */ | |
130 | INT_MODULE_PARM(if_port, 0); | |
131 | ||
1da177e4 LT |
132 | |
133 | /*====================================================================*/ | |
134 | ||
15b99ac1 | 135 | static int tc589_config(struct pcmcia_device *link); |
fba395ee | 136 | static void tc589_release(struct pcmcia_device *link); |
1da177e4 | 137 | |
906da809 | 138 | static u16 read_eeprom(unsigned int ioaddr, int index); |
1da177e4 LT |
139 | static void tc589_reset(struct net_device *dev); |
140 | static void media_check(unsigned long arg); | |
141 | static int el3_config(struct net_device *dev, struct ifmap *map); | |
142 | static int el3_open(struct net_device *dev); | |
dbf02fae SH |
143 | static netdev_tx_t el3_start_xmit(struct sk_buff *skb, |
144 | struct net_device *dev); | |
7d12e780 | 145 | static irqreturn_t el3_interrupt(int irq, void *dev_id); |
1da177e4 LT |
146 | static void update_stats(struct net_device *dev); |
147 | static struct net_device_stats *el3_get_stats(struct net_device *dev); | |
148 | static int el3_rx(struct net_device *dev); | |
149 | static int el3_close(struct net_device *dev); | |
150 | static void el3_tx_timeout(struct net_device *dev); | |
e445bb4e | 151 | static void set_rx_mode(struct net_device *dev); |
1da177e4 | 152 | static void set_multicast_list(struct net_device *dev); |
7282d491 | 153 | static const struct ethtool_ops netdev_ethtool_ops; |
1da177e4 | 154 | |
cc3b4866 | 155 | static void tc589_detach(struct pcmcia_device *p_dev); |
1da177e4 | 156 | |
1da177e4 LT |
157 | /*====================================================================== |
158 | ||
159 | tc589_attach() creates an "instance" of the driver, allocating | |
160 | local data structures for one device. The device is registered | |
161 | with Card Services. | |
162 | ||
163 | ======================================================================*/ | |
164 | ||
97161d4b SH |
165 | static const struct net_device_ops el3_netdev_ops = { |
166 | .ndo_open = el3_open, | |
167 | .ndo_stop = el3_close, | |
168 | .ndo_start_xmit = el3_start_xmit, | |
169 | .ndo_tx_timeout = el3_tx_timeout, | |
170 | .ndo_set_config = el3_config, | |
171 | .ndo_get_stats = el3_get_stats, | |
172 | .ndo_set_multicast_list = set_multicast_list, | |
173 | .ndo_change_mtu = eth_change_mtu, | |
174 | .ndo_set_mac_address = eth_mac_addr, | |
175 | .ndo_validate_addr = eth_validate_addr, | |
176 | }; | |
177 | ||
15b99ac1 | 178 | static int tc589_probe(struct pcmcia_device *link) |
1da177e4 LT |
179 | { |
180 | struct el3_private *lp; | |
1da177e4 | 181 | struct net_device *dev; |
1da177e4 | 182 | |
dd0fab5b | 183 | dev_dbg(&link->dev, "3c589_attach()\n"); |
f8cfa618 | 184 | |
1da177e4 LT |
185 | /* Create new ethernet device */ |
186 | dev = alloc_etherdev(sizeof(struct el3_private)); | |
187 | if (!dev) | |
f8cfa618 | 188 | return -ENOMEM; |
1da177e4 | 189 | lp = netdev_priv(dev); |
1da177e4 | 190 | link->priv = dev; |
fba395ee | 191 | lp->p_dev = link; |
1da177e4 LT |
192 | |
193 | spin_lock_init(&lp->lock); | |
194 | link->io.NumPorts1 = 16; | |
195 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; | |
eb14120f | 196 | |
1da177e4 | 197 | link->conf.Attributes = CONF_ENABLE_IRQ; |
1da177e4 LT |
198 | link->conf.IntType = INT_MEMORY_AND_IO; |
199 | link->conf.ConfigIndex = 1; | |
f8cfa618 | 200 | |
97161d4b | 201 | dev->netdev_ops = &el3_netdev_ops; |
1da177e4 | 202 | dev->watchdog_timeo = TX_TIMEOUT; |
97161d4b | 203 | |
1da177e4 LT |
204 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
205 | ||
15b99ac1 | 206 | return tc589_config(link); |
1da177e4 LT |
207 | } /* tc589_attach */ |
208 | ||
209 | /*====================================================================== | |
210 | ||
211 | This deletes a driver "instance". The device is de-registered | |
212 | with Card Services. If it has been released, all local data | |
213 | structures are freed. Otherwise, the structures will be freed | |
214 | when the device is released. | |
215 | ||
216 | ======================================================================*/ | |
217 | ||
fba395ee | 218 | static void tc589_detach(struct pcmcia_device *link) |
1da177e4 LT |
219 | { |
220 | struct net_device *dev = link->priv; | |
b4635811 | 221 | |
dd0fab5b | 222 | dev_dbg(&link->dev, "3c589_detach\n"); |
1da177e4 | 223 | |
c7c2fa07 | 224 | unregister_netdev(dev); |
1da177e4 | 225 | |
e2d40963 | 226 | tc589_release(link); |
cc3b4866 | 227 | |
1da177e4 LT |
228 | free_netdev(dev); |
229 | } /* tc589_detach */ | |
230 | ||
231 | /*====================================================================== | |
232 | ||
233 | tc589_config() is scheduled to run after a CARD_INSERTION event | |
234 | is received, to configure the PCMCIA socket, and to make the | |
235 | ethernet device available to the system. | |
236 | ||
237 | ======================================================================*/ | |
238 | ||
15b99ac1 | 239 | static int tc589_config(struct pcmcia_device *link) |
1da177e4 | 240 | { |
1da177e4 | 241 | struct net_device *dev = link->priv; |
b1e247ad | 242 | __be16 *phys_addr; |
dd0fab5b | 243 | int ret, i, j, multi = 0, fifo; |
906da809 | 244 | unsigned int ioaddr; |
1da177e4 | 245 | char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"}; |
dddfbd82 DB |
246 | u8 *buf; |
247 | size_t len; | |
1da177e4 | 248 | |
dd0fab5b | 249 | dev_dbg(&link->dev, "3c589_config\n"); |
1da177e4 | 250 | |
b1e247ad | 251 | phys_addr = (__be16 *)dev->dev_addr; |
efd50585 DB |
252 | /* Is this a 3c562? */ |
253 | if (link->manf_id != MANFID_3COM) | |
1da177e4 LT |
254 | printk(KERN_INFO "3c589_cs: hmmm, is this really a " |
255 | "3Com card??\n"); | |
efd50585 | 256 | multi = (link->card_id == PRODID_3COM_3C562); |
1da177e4 LT |
257 | |
258 | /* For the 3c562, the base address must be xx00-xx7f */ | |
259 | link->io.IOAddrLines = 16; | |
260 | for (i = j = 0; j < 0x400; j += 0x10) { | |
261 | if (multi && (j & 0x80)) continue; | |
262 | link->io.BasePort1 = j ^ 0x300; | |
fba395ee | 263 | i = pcmcia_request_io(link, &link->io); |
4c89e88b DB |
264 | if (i == 0) |
265 | break; | |
1da177e4 | 266 | } |
dd0fab5b | 267 | if (i != 0) |
1da177e4 | 268 | goto failed; |
dd0fab5b | 269 | |
eb14120f | 270 | ret = pcmcia_request_irq(link, el3_interrupt); |
dd0fab5b DB |
271 | if (ret) |
272 | goto failed; | |
273 | ||
274 | ret = pcmcia_request_configuration(link, &link->conf); | |
275 | if (ret) | |
276 | goto failed; | |
1da177e4 | 277 | |
eb14120f | 278 | dev->irq = link->irq; |
1da177e4 LT |
279 | dev->base_addr = link->io.BasePort1; |
280 | ioaddr = dev->base_addr; | |
281 | EL3WINDOW(0); | |
282 | ||
283 | /* The 3c589 has an extra EEPROM for configuration info, including | |
284 | the hardware address. The 3c562 puts the address in the CIS. */ | |
dddfbd82 DB |
285 | len = pcmcia_get_tuple(link, 0x88, &buf); |
286 | if (buf && len >= 6) { | |
287 | for (i = 0; i < 3; i++) | |
288 | phys_addr[i] = htons(le16_to_cpu(buf[i*2])); | |
289 | kfree(buf); | |
1da177e4 | 290 | } else { |
dddfbd82 | 291 | kfree(buf); /* 0 < len < 6 */ |
1da177e4 LT |
292 | for (i = 0; i < 3; i++) |
293 | phys_addr[i] = htons(read_eeprom(ioaddr, i)); | |
b1e247ad | 294 | if (phys_addr[0] == htons(0x6060)) { |
1da177e4 LT |
295 | printk(KERN_ERR "3c589_cs: IO port conflict at 0x%03lx" |
296 | "-0x%03lx\n", dev->base_addr, dev->base_addr+15); | |
297 | goto failed; | |
298 | } | |
299 | } | |
300 | ||
301 | /* The address and resource configuration register aren't loaded from | |
302 | the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version. */ | |
303 | outw(0x3f00, ioaddr + 8); | |
304 | fifo = inl(ioaddr); | |
305 | ||
306 | /* The if_port symbol can be set when the module is loaded */ | |
307 | if ((if_port >= 0) && (if_port <= 3)) | |
308 | dev->if_port = if_port; | |
309 | else | |
310 | printk(KERN_ERR "3c589_cs: invalid if_port requested\n"); | |
311 | ||
dd2e5a15 | 312 | SET_NETDEV_DEV(dev, &link->dev); |
1da177e4 LT |
313 | |
314 | if (register_netdev(dev) != 0) { | |
315 | printk(KERN_ERR "3c589_cs: register_netdev() failed\n"); | |
1da177e4 LT |
316 | goto failed; |
317 | } | |
318 | ||
0795af57 | 319 | printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, " |
e174961c | 320 | "hw_addr %pM\n", |
0795af57 | 321 | dev->name, (multi ? "562" : "589"), dev->base_addr, dev->irq, |
e174961c | 322 | dev->dev_addr); |
1da177e4 LT |
323 | printk(KERN_INFO " %dK FIFO split %s Rx:Tx, %s xcvr\n", |
324 | (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3], | |
325 | if_names[dev->if_port]); | |
15b99ac1 | 326 | return 0; |
1da177e4 | 327 | |
1da177e4 LT |
328 | failed: |
329 | tc589_release(link); | |
15b99ac1 | 330 | return -ENODEV; |
1da177e4 LT |
331 | } /* tc589_config */ |
332 | ||
333 | /*====================================================================== | |
334 | ||
335 | After a card is removed, tc589_release() will unregister the net | |
336 | device, and release the PCMCIA configuration. If the device is | |
337 | still open, this will be postponed until it is closed. | |
338 | ||
339 | ======================================================================*/ | |
340 | ||
fba395ee | 341 | static void tc589_release(struct pcmcia_device *link) |
1da177e4 | 342 | { |
fba395ee | 343 | pcmcia_disable_device(link); |
1da177e4 LT |
344 | } |
345 | ||
fba395ee | 346 | static int tc589_suspend(struct pcmcia_device *link) |
98e4c28b | 347 | { |
98e4c28b DB |
348 | struct net_device *dev = link->priv; |
349 | ||
e2d40963 | 350 | if (link->open) |
8661bb5b | 351 | netif_device_detach(dev); |
98e4c28b DB |
352 | |
353 | return 0; | |
354 | } | |
355 | ||
fba395ee | 356 | static int tc589_resume(struct pcmcia_device *link) |
98e4c28b | 357 | { |
98e4c28b DB |
358 | struct net_device *dev = link->priv; |
359 | ||
e2d40963 | 360 | if (link->open) { |
8661bb5b DB |
361 | tc589_reset(dev); |
362 | netif_device_attach(dev); | |
98e4c28b DB |
363 | } |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
1da177e4 LT |
368 | /*====================================================================*/ |
369 | ||
370 | /* | |
371 | Use this for commands that may take time to finish | |
372 | */ | |
373 | static void tc589_wait_for_completion(struct net_device *dev, int cmd) | |
374 | { | |
375 | int i = 100; | |
376 | outw(cmd, dev->base_addr + EL3_CMD); | |
377 | while (--i > 0) | |
378 | if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break; | |
379 | if (i == 0) | |
380 | printk(KERN_WARNING "%s: command 0x%04x did not complete!\n", | |
381 | dev->name, cmd); | |
382 | } | |
383 | ||
384 | /* | |
385 | Read a word from the EEPROM using the regular EEPROM access register. | |
386 | Assume that we are in register window zero. | |
387 | */ | |
906da809 | 388 | static u16 read_eeprom(unsigned int ioaddr, int index) |
1da177e4 LT |
389 | { |
390 | int i; | |
391 | outw(EEPROM_READ + index, ioaddr + 10); | |
392 | /* Reading the eeprom takes 162 us */ | |
393 | for (i = 1620; i >= 0; i--) | |
394 | if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0) | |
395 | break; | |
396 | return inw(ioaddr + 12); | |
397 | } | |
398 | ||
399 | /* | |
400 | Set transceiver type, perhaps to something other than what the user | |
401 | specified in dev->if_port. | |
402 | */ | |
403 | static void tc589_set_xcvr(struct net_device *dev, int if_port) | |
404 | { | |
405 | struct el3_private *lp = netdev_priv(dev); | |
906da809 | 406 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
407 | |
408 | EL3WINDOW(0); | |
409 | switch (if_port) { | |
410 | case 0: case 1: outw(0, ioaddr + 6); break; | |
411 | case 2: outw(3<<14, ioaddr + 6); break; | |
412 | case 3: outw(1<<14, ioaddr + 6); break; | |
413 | } | |
414 | /* On PCMCIA, this just turns on the LED */ | |
415 | outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD); | |
416 | /* 10baseT interface, enable link beat and jabber check. */ | |
417 | EL3WINDOW(4); | |
418 | outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA); | |
419 | EL3WINDOW(1); | |
420 | if (if_port == 2) | |
421 | lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000); | |
422 | else | |
423 | lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800); | |
424 | } | |
425 | ||
426 | static void dump_status(struct net_device *dev) | |
427 | { | |
906da809 | 428 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
429 | EL3WINDOW(1); |
430 | printk(KERN_INFO " irq status %04x, rx status %04x, tx status " | |
431 | "%02x tx free %04x\n", inw(ioaddr+EL3_STATUS), | |
432 | inw(ioaddr+RX_STATUS), inb(ioaddr+TX_STATUS), | |
433 | inw(ioaddr+TX_FREE)); | |
434 | EL3WINDOW(4); | |
435 | printk(KERN_INFO " diagnostics: fifo %04x net %04x ethernet %04x" | |
436 | " media %04x\n", inw(ioaddr+0x04), inw(ioaddr+0x06), | |
437 | inw(ioaddr+0x08), inw(ioaddr+0x0a)); | |
438 | EL3WINDOW(1); | |
439 | } | |
440 | ||
441 | /* Reset and restore all of the 3c589 registers. */ | |
442 | static void tc589_reset(struct net_device *dev) | |
443 | { | |
906da809 | 444 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
445 | int i; |
446 | ||
447 | EL3WINDOW(0); | |
448 | outw(0x0001, ioaddr + 4); /* Activate board. */ | |
449 | outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */ | |
450 | ||
451 | /* Set the station address in window 2. */ | |
452 | EL3WINDOW(2); | |
453 | for (i = 0; i < 6; i++) | |
454 | outb(dev->dev_addr[i], ioaddr + i); | |
455 | ||
456 | tc589_set_xcvr(dev, dev->if_port); | |
457 | ||
458 | /* Switch to the stats window, and clear all stats by reading. */ | |
459 | outw(StatsDisable, ioaddr + EL3_CMD); | |
460 | EL3WINDOW(6); | |
461 | for (i = 0; i < 9; i++) | |
462 | inb(ioaddr+i); | |
463 | inw(ioaddr + 10); | |
464 | inw(ioaddr + 12); | |
465 | ||
466 | /* Switch to register set 1 for normal use. */ | |
467 | EL3WINDOW(1); | |
468 | ||
e445bb4e | 469 | set_rx_mode(dev); |
1da177e4 LT |
470 | outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ |
471 | outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ | |
472 | outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ | |
473 | /* Allow status bits to be seen. */ | |
474 | outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD); | |
475 | /* Ack all pending events, and set active indicator mask. */ | |
476 | outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq, | |
477 | ioaddr + EL3_CMD); | |
478 | outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull | |
479 | | AdapterFailure, ioaddr + EL3_CMD); | |
480 | } | |
481 | ||
482 | static void netdev_get_drvinfo(struct net_device *dev, | |
483 | struct ethtool_drvinfo *info) | |
484 | { | |
485 | strcpy(info->driver, DRV_NAME); | |
486 | strcpy(info->version, DRV_VERSION); | |
487 | sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); | |
488 | } | |
489 | ||
7282d491 | 490 | static const struct ethtool_ops netdev_ethtool_ops = { |
1da177e4 | 491 | .get_drvinfo = netdev_get_drvinfo, |
1da177e4 LT |
492 | }; |
493 | ||
494 | static int el3_config(struct net_device *dev, struct ifmap *map) | |
495 | { | |
496 | if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { | |
497 | if (map->port <= 3) { | |
498 | dev->if_port = map->port; | |
499 | printk(KERN_INFO "%s: switched to %s port\n", | |
500 | dev->name, if_names[dev->if_port]); | |
501 | tc589_set_xcvr(dev, dev->if_port); | |
502 | } else | |
503 | return -EINVAL; | |
504 | } | |
505 | return 0; | |
506 | } | |
507 | ||
508 | static int el3_open(struct net_device *dev) | |
509 | { | |
510 | struct el3_private *lp = netdev_priv(dev); | |
fba395ee | 511 | struct pcmcia_device *link = lp->p_dev; |
1da177e4 | 512 | |
9940ec36 | 513 | if (!pcmcia_dev_present(link)) |
1da177e4 LT |
514 | return -ENODEV; |
515 | ||
516 | link->open++; | |
517 | netif_start_queue(dev); | |
518 | ||
519 | tc589_reset(dev); | |
520 | init_timer(&lp->media); | |
521 | lp->media.function = &media_check; | |
522 | lp->media.data = (unsigned long) dev; | |
523 | lp->media.expires = jiffies + HZ; | |
524 | add_timer(&lp->media); | |
525 | ||
dd0fab5b | 526 | dev_dbg(&link->dev, "%s: opened, status %4.4x.\n", |
1da177e4 LT |
527 | dev->name, inw(dev->base_addr + EL3_STATUS)); |
528 | ||
529 | return 0; | |
530 | } | |
531 | ||
532 | static void el3_tx_timeout(struct net_device *dev) | |
533 | { | |
906da809 | 534 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
535 | |
536 | printk(KERN_WARNING "%s: Transmit timed out!\n", dev->name); | |
537 | dump_status(dev); | |
cd65284f | 538 | dev->stats.tx_errors++; |
1da177e4 LT |
539 | dev->trans_start = jiffies; |
540 | /* Issue TX_RESET and TX_START commands. */ | |
541 | tc589_wait_for_completion(dev, TxReset); | |
542 | outw(TxEnable, ioaddr + EL3_CMD); | |
543 | netif_wake_queue(dev); | |
544 | } | |
545 | ||
546 | static void pop_tx_status(struct net_device *dev) | |
547 | { | |
906da809 | 548 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
549 | int i; |
550 | ||
551 | /* Clear the Tx status stack. */ | |
552 | for (i = 32; i > 0; i--) { | |
553 | u_char tx_status = inb(ioaddr + TX_STATUS); | |
554 | if (!(tx_status & 0x84)) break; | |
555 | /* reset transmitter on jabber error or underrun */ | |
556 | if (tx_status & 0x30) | |
557 | tc589_wait_for_completion(dev, TxReset); | |
558 | if (tx_status & 0x38) { | |
dd0fab5b | 559 | pr_debug("%s: transmit error: status 0x%02x\n", |
1da177e4 LT |
560 | dev->name, tx_status); |
561 | outw(TxEnable, ioaddr + EL3_CMD); | |
cd65284f | 562 | dev->stats.tx_aborted_errors++; |
1da177e4 LT |
563 | } |
564 | outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ | |
565 | } | |
566 | } | |
567 | ||
dbf02fae SH |
568 | static netdev_tx_t el3_start_xmit(struct sk_buff *skb, |
569 | struct net_device *dev) | |
1da177e4 | 570 | { |
906da809 | 571 | unsigned int ioaddr = dev->base_addr; |
1da177e4 | 572 | struct el3_private *priv = netdev_priv(dev); |
d08d2839 | 573 | unsigned long flags; |
1da177e4 | 574 | |
dd0fab5b | 575 | pr_debug("%s: el3_start_xmit(length = %ld) called, " |
1da177e4 LT |
576 | "status %4.4x.\n", dev->name, (long)skb->len, |
577 | inw(ioaddr + EL3_STATUS)); | |
578 | ||
d08d2839 K |
579 | spin_lock_irqsave(&priv->lock, flags); |
580 | ||
cd65284f | 581 | dev->stats.tx_bytes += skb->len; |
1da177e4 LT |
582 | |
583 | /* Put out the doubleword header... */ | |
584 | outw(skb->len, ioaddr + TX_FIFO); | |
585 | outw(0x00, ioaddr + TX_FIFO); | |
586 | /* ... and the packet rounded to a doubleword. */ | |
587 | outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); | |
588 | ||
589 | dev->trans_start = jiffies; | |
590 | if (inw(ioaddr + TX_FREE) <= 1536) { | |
591 | netif_stop_queue(dev); | |
592 | /* Interrupt us when the FIFO has room for max-sized packet. */ | |
593 | outw(SetTxThreshold + 1536, ioaddr + EL3_CMD); | |
594 | } | |
595 | ||
1da177e4 | 596 | pop_tx_status(dev); |
d08d2839 | 597 | spin_unlock_irqrestore(&priv->lock, flags); |
63ac9b91 | 598 | dev_kfree_skb(skb); |
1da177e4 | 599 | |
6ed10654 | 600 | return NETDEV_TX_OK; |
1da177e4 LT |
601 | } |
602 | ||
603 | /* The EL3 interrupt handler. */ | |
7d12e780 | 604 | static irqreturn_t el3_interrupt(int irq, void *dev_id) |
1da177e4 LT |
605 | { |
606 | struct net_device *dev = (struct net_device *) dev_id; | |
607 | struct el3_private *lp = netdev_priv(dev); | |
906da809 | 608 | unsigned int ioaddr; |
1da177e4 LT |
609 | __u16 status; |
610 | int i = 0, handled = 1; | |
611 | ||
612 | if (!netif_device_present(dev)) | |
613 | return IRQ_NONE; | |
614 | ||
615 | ioaddr = dev->base_addr; | |
616 | ||
dd0fab5b | 617 | pr_debug("%s: interrupt, status %4.4x.\n", |
1da177e4 LT |
618 | dev->name, inw(ioaddr + EL3_STATUS)); |
619 | ||
620 | spin_lock(&lp->lock); | |
621 | while ((status = inw(ioaddr + EL3_STATUS)) & | |
622 | (IntLatch | RxComplete | StatsFull)) { | |
623 | if ((status & 0xe000) != 0x2000) { | |
dd0fab5b | 624 | pr_debug("%s: interrupt from dead card\n", dev->name); |
1da177e4 LT |
625 | handled = 0; |
626 | break; | |
627 | } | |
628 | ||
629 | if (status & RxComplete) | |
630 | el3_rx(dev); | |
631 | ||
632 | if (status & TxAvailable) { | |
dd0fab5b | 633 | pr_debug(" TX room bit was handled.\n"); |
1da177e4 LT |
634 | /* There's room in the FIFO for a full-sized packet. */ |
635 | outw(AckIntr | TxAvailable, ioaddr + EL3_CMD); | |
636 | netif_wake_queue(dev); | |
637 | } | |
638 | ||
639 | if (status & TxComplete) | |
640 | pop_tx_status(dev); | |
641 | ||
642 | if (status & (AdapterFailure | RxEarly | StatsFull)) { | |
643 | /* Handle all uncommon interrupts. */ | |
644 | if (status & StatsFull) /* Empty statistics. */ | |
645 | update_stats(dev); | |
646 | if (status & RxEarly) { /* Rx early is unused. */ | |
647 | el3_rx(dev); | |
648 | outw(AckIntr | RxEarly, ioaddr + EL3_CMD); | |
649 | } | |
650 | if (status & AdapterFailure) { | |
651 | u16 fifo_diag; | |
652 | EL3WINDOW(4); | |
653 | fifo_diag = inw(ioaddr + 4); | |
654 | EL3WINDOW(1); | |
655 | printk(KERN_WARNING "%s: adapter failure, FIFO diagnostic" | |
656 | " register %04x.\n", dev->name, fifo_diag); | |
657 | if (fifo_diag & 0x0400) { | |
658 | /* Tx overrun */ | |
659 | tc589_wait_for_completion(dev, TxReset); | |
660 | outw(TxEnable, ioaddr + EL3_CMD); | |
661 | } | |
662 | if (fifo_diag & 0x2000) { | |
663 | /* Rx underrun */ | |
664 | tc589_wait_for_completion(dev, RxReset); | |
e445bb4e | 665 | set_rx_mode(dev); |
1da177e4 LT |
666 | outw(RxEnable, ioaddr + EL3_CMD); |
667 | } | |
668 | outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); | |
669 | } | |
670 | } | |
671 | ||
672 | if (++i > 10) { | |
673 | printk(KERN_ERR "%s: infinite loop in interrupt, " | |
674 | "status %4.4x.\n", dev->name, status); | |
675 | /* Clear all interrupts */ | |
676 | outw(AckIntr | 0xFF, ioaddr + EL3_CMD); | |
677 | break; | |
678 | } | |
679 | /* Acknowledge the IRQ. */ | |
680 | outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); | |
681 | } | |
682 | ||
683 | lp->last_irq = jiffies; | |
684 | spin_unlock(&lp->lock); | |
dd0fab5b | 685 | pr_debug("%s: exiting interrupt, status %4.4x.\n", |
1da177e4 LT |
686 | dev->name, inw(ioaddr + EL3_STATUS)); |
687 | return IRQ_RETVAL(handled); | |
688 | } | |
689 | ||
690 | static void media_check(unsigned long arg) | |
691 | { | |
692 | struct net_device *dev = (struct net_device *)(arg); | |
693 | struct el3_private *lp = netdev_priv(dev); | |
906da809 | 694 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
695 | u16 media, errs; |
696 | unsigned long flags; | |
697 | ||
698 | if (!netif_device_present(dev)) goto reschedule; | |
699 | ||
1da177e4 LT |
700 | /* Check for pending interrupt with expired latency timer: with |
701 | this, we can limp along even if the interrupt is blocked */ | |
702 | if ((inw(ioaddr + EL3_STATUS) & IntLatch) && | |
703 | (inb(ioaddr + EL3_TIMER) == 0xff)) { | |
704 | if (!lp->fast_poll) | |
705 | printk(KERN_WARNING "%s: interrupt(s) dropped!\n", dev->name); | |
671c8806 KK |
706 | |
707 | local_irq_save(flags); | |
d08d2839 | 708 | el3_interrupt(dev->irq, dev); |
671c8806 KK |
709 | local_irq_restore(flags); |
710 | ||
1da177e4 LT |
711 | lp->fast_poll = HZ; |
712 | } | |
713 | if (lp->fast_poll) { | |
714 | lp->fast_poll--; | |
715 | lp->media.expires = jiffies + HZ/100; | |
716 | add_timer(&lp->media); | |
717 | return; | |
718 | } | |
719 | ||
720 | /* lp->lock guards the EL3 window. Window should always be 1 except | |
721 | when the lock is held */ | |
722 | spin_lock_irqsave(&lp->lock, flags); | |
723 | EL3WINDOW(4); | |
724 | media = inw(ioaddr+WN4_MEDIA) & 0xc810; | |
725 | ||
726 | /* Ignore collisions unless we've had no irq's recently */ | |
ff5688ae | 727 | if (time_before(jiffies, lp->last_irq + HZ)) { |
1da177e4 LT |
728 | media &= ~0x0010; |
729 | } else { | |
730 | /* Try harder to detect carrier errors */ | |
731 | EL3WINDOW(6); | |
732 | outw(StatsDisable, ioaddr + EL3_CMD); | |
733 | errs = inb(ioaddr + 0); | |
734 | outw(StatsEnable, ioaddr + EL3_CMD); | |
cd65284f | 735 | dev->stats.tx_carrier_errors += errs; |
1da177e4 LT |
736 | if (errs || (lp->media_status & 0x0010)) media |= 0x0010; |
737 | } | |
738 | ||
739 | if (media != lp->media_status) { | |
740 | if ((media & lp->media_status & 0x8000) && | |
741 | ((lp->media_status ^ media) & 0x0800)) | |
742 | printk(KERN_INFO "%s: %s link beat\n", dev->name, | |
743 | (lp->media_status & 0x0800 ? "lost" : "found")); | |
744 | else if ((media & lp->media_status & 0x4000) && | |
745 | ((lp->media_status ^ media) & 0x0010)) | |
746 | printk(KERN_INFO "%s: coax cable %s\n", dev->name, | |
747 | (lp->media_status & 0x0010 ? "ok" : "problem")); | |
748 | if (dev->if_port == 0) { | |
749 | if (media & 0x8000) { | |
750 | if (media & 0x0800) | |
751 | printk(KERN_INFO "%s: flipped to 10baseT\n", | |
752 | dev->name); | |
753 | else | |
754 | tc589_set_xcvr(dev, 2); | |
755 | } else if (media & 0x4000) { | |
756 | if (media & 0x0010) | |
757 | tc589_set_xcvr(dev, 1); | |
758 | else | |
759 | printk(KERN_INFO "%s: flipped to 10base2\n", | |
760 | dev->name); | |
761 | } | |
762 | } | |
763 | lp->media_status = media; | |
764 | } | |
765 | ||
766 | EL3WINDOW(1); | |
767 | spin_unlock_irqrestore(&lp->lock, flags); | |
768 | ||
769 | reschedule: | |
770 | lp->media.expires = jiffies + HZ; | |
771 | add_timer(&lp->media); | |
772 | } | |
773 | ||
774 | static struct net_device_stats *el3_get_stats(struct net_device *dev) | |
775 | { | |
776 | struct el3_private *lp = netdev_priv(dev); | |
777 | unsigned long flags; | |
fba395ee | 778 | struct pcmcia_device *link = lp->p_dev; |
1da177e4 | 779 | |
9940ec36 | 780 | if (pcmcia_dev_present(link)) { |
1da177e4 LT |
781 | spin_lock_irqsave(&lp->lock, flags); |
782 | update_stats(dev); | |
783 | spin_unlock_irqrestore(&lp->lock, flags); | |
784 | } | |
cd65284f | 785 | return &dev->stats; |
1da177e4 LT |
786 | } |
787 | ||
788 | /* | |
789 | Update statistics. We change to register window 6, so this should be run | |
790 | single-threaded if the device is active. This is expected to be a rare | |
791 | operation, and it's simpler for the rest of the driver to assume that | |
792 | window 1 is always valid rather than use a special window-state variable. | |
793 | ||
794 | Caller must hold the lock for this | |
795 | */ | |
796 | static void update_stats(struct net_device *dev) | |
797 | { | |
906da809 | 798 | unsigned int ioaddr = dev->base_addr; |
1da177e4 | 799 | |
dd0fab5b | 800 | pr_debug("%s: updating the statistics.\n", dev->name); |
1da177e4 LT |
801 | /* Turn off statistics updates while reading. */ |
802 | outw(StatsDisable, ioaddr + EL3_CMD); | |
803 | /* Switch to the stats window, and read everything. */ | |
804 | EL3WINDOW(6); | |
cd65284f PZ |
805 | dev->stats.tx_carrier_errors += inb(ioaddr + 0); |
806 | dev->stats.tx_heartbeat_errors += inb(ioaddr + 1); | |
1da177e4 | 807 | /* Multiple collisions. */ inb(ioaddr + 2); |
cd65284f PZ |
808 | dev->stats.collisions += inb(ioaddr + 3); |
809 | dev->stats.tx_window_errors += inb(ioaddr + 4); | |
810 | dev->stats.rx_fifo_errors += inb(ioaddr + 5); | |
811 | dev->stats.tx_packets += inb(ioaddr + 6); | |
1da177e4 LT |
812 | /* Rx packets */ inb(ioaddr + 7); |
813 | /* Tx deferrals */ inb(ioaddr + 8); | |
814 | /* Rx octets */ inw(ioaddr + 10); | |
815 | /* Tx octets */ inw(ioaddr + 12); | |
816 | ||
817 | /* Back to window 1, and turn statistics back on. */ | |
818 | EL3WINDOW(1); | |
819 | outw(StatsEnable, ioaddr + EL3_CMD); | |
820 | } | |
821 | ||
822 | static int el3_rx(struct net_device *dev) | |
823 | { | |
906da809 | 824 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
825 | int worklimit = 32; |
826 | short rx_status; | |
827 | ||
dd0fab5b | 828 | pr_debug("%s: in rx_packet(), status %4.4x, rx_status %4.4x.\n", |
1da177e4 LT |
829 | dev->name, inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS)); |
830 | while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) && | |
b9bdcd9b RK |
831 | worklimit > 0) { |
832 | worklimit--; | |
1da177e4 LT |
833 | if (rx_status & 0x4000) { /* Error, update stats. */ |
834 | short error = rx_status & 0x3800; | |
cd65284f | 835 | dev->stats.rx_errors++; |
1da177e4 | 836 | switch (error) { |
cd65284f PZ |
837 | case 0x0000: dev->stats.rx_over_errors++; break; |
838 | case 0x0800: dev->stats.rx_length_errors++; break; | |
839 | case 0x1000: dev->stats.rx_frame_errors++; break; | |
840 | case 0x1800: dev->stats.rx_length_errors++; break; | |
841 | case 0x2000: dev->stats.rx_frame_errors++; break; | |
842 | case 0x2800: dev->stats.rx_crc_errors++; break; | |
1da177e4 LT |
843 | } |
844 | } else { | |
845 | short pkt_len = rx_status & 0x7ff; | |
846 | struct sk_buff *skb; | |
847 | ||
848 | skb = dev_alloc_skb(pkt_len+5); | |
849 | ||
dd0fab5b | 850 | pr_debug(" Receiving packet size %d status %4.4x.\n", |
1da177e4 LT |
851 | pkt_len, rx_status); |
852 | if (skb != NULL) { | |
1da177e4 LT |
853 | skb_reserve(skb, 2); |
854 | insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len), | |
855 | (pkt_len+3)>>2); | |
856 | skb->protocol = eth_type_trans(skb, dev); | |
857 | netif_rx(skb); | |
cd65284f PZ |
858 | dev->stats.rx_packets++; |
859 | dev->stats.rx_bytes += pkt_len; | |
1da177e4 | 860 | } else { |
dd0fab5b | 861 | pr_debug("%s: couldn't allocate a sk_buff of" |
1da177e4 | 862 | " size %d.\n", dev->name, pkt_len); |
cd65284f | 863 | dev->stats.rx_dropped++; |
1da177e4 LT |
864 | } |
865 | } | |
866 | /* Pop the top of the Rx FIFO */ | |
867 | tc589_wait_for_completion(dev, RxDiscard); | |
868 | } | |
869 | if (worklimit == 0) | |
870 | printk(KERN_WARNING "%s: too much work in el3_rx!\n", dev->name); | |
871 | return 0; | |
872 | } | |
873 | ||
e445bb4e | 874 | static void set_rx_mode(struct net_device *dev) |
1da177e4 | 875 | { |
906da809 | 876 | unsigned int ioaddr = dev->base_addr; |
1da177e4 LT |
877 | u16 opts = SetRxFilter | RxStation | RxBroadcast; |
878 | ||
1da177e4 LT |
879 | if (dev->flags & IFF_PROMISC) |
880 | opts |= RxMulticast | RxProm; | |
4cd24eaf | 881 | else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI)) |
1da177e4 LT |
882 | opts |= RxMulticast; |
883 | outw(opts, ioaddr + EL3_CMD); | |
884 | } | |
885 | ||
e445bb4e KK |
886 | static void set_multicast_list(struct net_device *dev) |
887 | { | |
888 | struct el3_private *priv = netdev_priv(dev); | |
889 | unsigned long flags; | |
890 | ||
891 | spin_lock_irqsave(&priv->lock, flags); | |
892 | set_rx_mode(dev); | |
893 | spin_unlock_irqrestore(&priv->lock, flags); | |
894 | } | |
895 | ||
1da177e4 LT |
896 | static int el3_close(struct net_device *dev) |
897 | { | |
898 | struct el3_private *lp = netdev_priv(dev); | |
fba395ee | 899 | struct pcmcia_device *link = lp->p_dev; |
906da809 | 900 | unsigned int ioaddr = dev->base_addr; |
1da177e4 | 901 | |
dd0fab5b | 902 | dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name); |
1da177e4 | 903 | |
9940ec36 | 904 | if (pcmcia_dev_present(link)) { |
cd65284f | 905 | /* Turn off statistics ASAP. We update dev->stats below. */ |
1da177e4 LT |
906 | outw(StatsDisable, ioaddr + EL3_CMD); |
907 | ||
908 | /* Disable the receiver and transmitter. */ | |
909 | outw(RxDisable, ioaddr + EL3_CMD); | |
910 | outw(TxDisable, ioaddr + EL3_CMD); | |
911 | ||
912 | if (dev->if_port == 2) | |
913 | /* Turn off thinnet power. Green! */ | |
914 | outw(StopCoax, ioaddr + EL3_CMD); | |
915 | else if (dev->if_port == 1) { | |
916 | /* Disable link beat and jabber */ | |
917 | EL3WINDOW(4); | |
918 | outw(0, ioaddr + WN4_MEDIA); | |
919 | } | |
920 | ||
921 | /* Switching back to window 0 disables the IRQ. */ | |
922 | EL3WINDOW(0); | |
923 | /* But we explicitly zero the IRQ line select anyway. */ | |
924 | outw(0x0f00, ioaddr + WN0_IRQ); | |
925 | ||
926 | /* Check if the card still exists */ | |
927 | if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000) | |
928 | update_stats(dev); | |
929 | } | |
930 | ||
931 | link->open--; | |
932 | netif_stop_queue(dev); | |
933 | del_timer_sync(&lp->media); | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
7ffec58c DB |
938 | static struct pcmcia_device_id tc589_ids[] = { |
939 | PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0101, 0x0562), | |
940 | PCMCIA_MFC_DEVICE_PROD_ID1(0, "Motorola MARQUIS", 0xf03e4e77), | |
941 | PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0589), | |
942 | PCMCIA_DEVICE_PROD_ID12("Farallon", "ENet", 0x58d93fc4, 0x992c2202), | |
f0a3a153 KK |
943 | PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x0035, "cis/3CXEM556.cis"), |
944 | PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x003d, "cis/3CXEM556.cis"), | |
7ffec58c DB |
945 | PCMCIA_DEVICE_NULL, |
946 | }; | |
947 | MODULE_DEVICE_TABLE(pcmcia, tc589_ids); | |
948 | ||
1da177e4 LT |
949 | static struct pcmcia_driver tc589_driver = { |
950 | .owner = THIS_MODULE, | |
951 | .drv = { | |
952 | .name = "3c589_cs", | |
953 | }, | |
15b99ac1 | 954 | .probe = tc589_probe, |
cc3b4866 | 955 | .remove = tc589_detach, |
7ffec58c | 956 | .id_table = tc589_ids, |
98e4c28b DB |
957 | .suspend = tc589_suspend, |
958 | .resume = tc589_resume, | |
1da177e4 LT |
959 | }; |
960 | ||
961 | static int __init init_tc589(void) | |
962 | { | |
963 | return pcmcia_register_driver(&tc589_driver); | |
964 | } | |
965 | ||
966 | static void __exit exit_tc589(void) | |
967 | { | |
968 | pcmcia_unregister_driver(&tc589_driver); | |
1da177e4 LT |
969 | } |
970 | ||
971 | module_init(init_tc589); | |
972 | module_exit(exit_tc589); |