Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6.git] / drivers / net / usb / dm9601.c
1 /*
2  * Davicom DM9601 USB 1.1 10/100Mbps ethernet devices
3  *
4  * Peter Korsgaard <jacmet@sunsite.dk>
5  *
6  * This file is licensed under the terms of the GNU General Public License
7  * version 2.  This program is licensed "as is" without any warranty of any
8  * kind, whether express or implied.
9  */
10
11 //#define DEBUG
12
13 #include <linux/module.h>
14 #include <linux/sched.h>
15 #include <linux/stddef.h>
16 #include <linux/init.h>
17 #include <linux/netdevice.h>
18 #include <linux/etherdevice.h>
19 #include <linux/ethtool.h>
20 #include <linux/mii.h>
21 #include <linux/usb.h>
22 #include <linux/crc32.h>
23 #include <linux/usb/usbnet.h>
24 #include <linux/slab.h>
25
26 /* datasheet:
27  http://ptm2.cc.utu.fi/ftp/network/cards/DM9601/From_NET/DM9601-DS-P01-930914.pdf
28 */
29
30 /* control requests */
31 #define DM_READ_REGS    0x00
32 #define DM_WRITE_REGS   0x01
33 #define DM_READ_MEMS    0x02
34 #define DM_WRITE_REG    0x03
35 #define DM_WRITE_MEMS   0x05
36 #define DM_WRITE_MEM    0x07
37
38 /* registers */
39 #define DM_NET_CTRL     0x00
40 #define DM_RX_CTRL      0x05
41 #define DM_SHARED_CTRL  0x0b
42 #define DM_SHARED_ADDR  0x0c
43 #define DM_SHARED_DATA  0x0d    /* low + high */
44 #define DM_PHY_ADDR     0x10    /* 6 bytes */
45 #define DM_MCAST_ADDR   0x16    /* 8 bytes */
46 #define DM_GPR_CTRL     0x1e
47 #define DM_GPR_DATA     0x1f
48
49 #define DM_MAX_MCAST    64
50 #define DM_MCAST_SIZE   8
51 #define DM_EEPROM_LEN   256
52 #define DM_TX_OVERHEAD  2       /* 2 byte header */
53 #define DM_RX_OVERHEAD  7       /* 3 byte header + 4 byte crc tail */
54 #define DM_TIMEOUT      1000
55
56
57 static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data)
58 {
59         void *buf;
60         int err = -ENOMEM;
61
62         netdev_dbg(dev->net, "dm_read() reg=0x%02x length=%d\n", reg, length);
63
64         buf = kmalloc(length, GFP_KERNEL);
65         if (!buf)
66                 goto out;
67
68         err = usb_control_msg(dev->udev,
69                               usb_rcvctrlpipe(dev->udev, 0),
70                               DM_READ_REGS,
71                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
72                               0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
73         if (err == length)
74                 memcpy(data, buf, length);
75         else if (err >= 0)
76                 err = -EINVAL;
77         kfree(buf);
78
79  out:
80         return err;
81 }
82
83 static int dm_read_reg(struct usbnet *dev, u8 reg, u8 *value)
84 {
85         return dm_read(dev, reg, 1, value);
86 }
87
88 static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data)
89 {
90         void *buf = NULL;
91         int err = -ENOMEM;
92
93         netdev_dbg(dev->net, "dm_write() reg=0x%02x, length=%d\n", reg, length);
94
95         if (data) {
96                 buf = kmalloc(length, GFP_KERNEL);
97                 if (!buf)
98                         goto out;
99                 memcpy(buf, data, length);
100         }
101
102         err = usb_control_msg(dev->udev,
103                               usb_sndctrlpipe(dev->udev, 0),
104                               DM_WRITE_REGS,
105                               USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
106                               0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
107         kfree(buf);
108         if (err >= 0 && err < length)
109                 err = -EINVAL;
110  out:
111         return err;
112 }
113
114 static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
115 {
116         netdev_dbg(dev->net, "dm_write_reg() reg=0x%02x, value=0x%02x\n",
117                    reg, value);
118         return usb_control_msg(dev->udev,
119                                usb_sndctrlpipe(dev->udev, 0),
120                                DM_WRITE_REG,
121                                USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
122                                value, reg, NULL, 0, USB_CTRL_SET_TIMEOUT);
123 }
124
125 static void dm_write_async_callback(struct urb *urb)
126 {
127         struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
128         int status = urb->status;
129
130         if (status < 0)
131                 printk(KERN_DEBUG "dm_write_async_callback() failed with %d\n",
132                        status);
133
134         kfree(req);
135         usb_free_urb(urb);
136 }
137
138 static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value,
139                                   u16 length, void *data)
140 {
141         struct usb_ctrlrequest *req;
142         struct urb *urb;
143         int status;
144
145         urb = usb_alloc_urb(0, GFP_ATOMIC);
146         if (!urb) {
147                 netdev_err(dev->net, "Error allocating URB in dm_write_async_helper!\n");
148                 return;
149         }
150
151         req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
152         if (!req) {
153                 netdev_err(dev->net, "Failed to allocate memory for control request\n");
154                 usb_free_urb(urb);
155                 return;
156         }
157
158         req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
159         req->bRequest = length ? DM_WRITE_REGS : DM_WRITE_REG;
160         req->wValue = cpu_to_le16(value);
161         req->wIndex = cpu_to_le16(reg);
162         req->wLength = cpu_to_le16(length);
163
164         usb_fill_control_urb(urb, dev->udev,
165                              usb_sndctrlpipe(dev->udev, 0),
166                              (void *)req, data, length,
167                              dm_write_async_callback, req);
168
169         status = usb_submit_urb(urb, GFP_ATOMIC);
170         if (status < 0) {
171                 netdev_err(dev->net, "Error submitting the control message: status=%d\n",
172                            status);
173                 kfree(req);
174                 usb_free_urb(urb);
175         }
176 }
177
178 static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
179 {
180         netdev_dbg(dev->net, "dm_write_async() reg=0x%02x length=%d\n", reg, length);
181
182         dm_write_async_helper(dev, reg, 0, length, data);
183 }
184
185 static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
186 {
187         netdev_dbg(dev->net, "dm_write_reg_async() reg=0x%02x value=0x%02x\n",
188                    reg, value);
189
190         dm_write_async_helper(dev, reg, value, 0, NULL);
191 }
192
193 static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
194 {
195         int ret, i;
196
197         mutex_lock(&dev->phy_mutex);
198
199         dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
200         dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0xc : 0x4);
201
202         for (i = 0; i < DM_TIMEOUT; i++) {
203                 u8 tmp;
204
205                 udelay(1);
206                 ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
207                 if (ret < 0)
208                         goto out;
209
210                 /* ready */
211                 if ((tmp & 1) == 0)
212                         break;
213         }
214
215         if (i == DM_TIMEOUT) {
216                 netdev_err(dev->net, "%s read timed out!\n", phy ? "phy" : "eeprom");
217                 ret = -EIO;
218                 goto out;
219         }
220
221         dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
222         ret = dm_read(dev, DM_SHARED_DATA, 2, value);
223
224         netdev_dbg(dev->net, "read shared %d 0x%02x returned 0x%04x, %d\n",
225                    phy, reg, *value, ret);
226
227  out:
228         mutex_unlock(&dev->phy_mutex);
229         return ret;
230 }
231
232 static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 value)
233 {
234         int ret, i;
235
236         mutex_lock(&dev->phy_mutex);
237
238         ret = dm_write(dev, DM_SHARED_DATA, 2, &value);
239         if (ret < 0)
240                 goto out;
241
242         dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
243         dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1c : 0x14);
244
245         for (i = 0; i < DM_TIMEOUT; i++) {
246                 u8 tmp;
247
248                 udelay(1);
249                 ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
250                 if (ret < 0)
251                         goto out;
252
253                 /* ready */
254                 if ((tmp & 1) == 0)
255                         break;
256         }
257
258         if (i == DM_TIMEOUT) {
259                 netdev_err(dev->net, "%s write timed out!\n", phy ? "phy" : "eeprom");
260                 ret = -EIO;
261                 goto out;
262         }
263
264         dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
265
266 out:
267         mutex_unlock(&dev->phy_mutex);
268         return ret;
269 }
270
271 static int dm_read_eeprom_word(struct usbnet *dev, u8 offset, void *value)
272 {
273         return dm_read_shared_word(dev, 0, offset, value);
274 }
275
276
277
278 static int dm9601_get_eeprom_len(struct net_device *dev)
279 {
280         return DM_EEPROM_LEN;
281 }
282
283 static int dm9601_get_eeprom(struct net_device *net,
284                              struct ethtool_eeprom *eeprom, u8 * data)
285 {
286         struct usbnet *dev = netdev_priv(net);
287         __le16 *ebuf = (__le16 *) data;
288         int i;
289
290         /* access is 16bit */
291         if ((eeprom->offset % 2) || (eeprom->len % 2))
292                 return -EINVAL;
293
294         for (i = 0; i < eeprom->len / 2; i++) {
295                 if (dm_read_eeprom_word(dev, eeprom->offset / 2 + i,
296                                         &ebuf[i]) < 0)
297                         return -EINVAL;
298         }
299         return 0;
300 }
301
302 static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc)
303 {
304         struct usbnet *dev = netdev_priv(netdev);
305
306         __le16 res;
307
308         if (phy_id) {
309                 netdev_dbg(dev->net, "Only internal phy supported\n");
310                 return 0;
311         }
312
313         dm_read_shared_word(dev, 1, loc, &res);
314
315         netdev_dbg(dev->net,
316                    "dm9601_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
317                    phy_id, loc, le16_to_cpu(res));
318
319         return le16_to_cpu(res);
320 }
321
322 static void dm9601_mdio_write(struct net_device *netdev, int phy_id, int loc,
323                               int val)
324 {
325         struct usbnet *dev = netdev_priv(netdev);
326         __le16 res = cpu_to_le16(val);
327
328         if (phy_id) {
329                 netdev_dbg(dev->net, "Only internal phy supported\n");
330                 return;
331         }
332
333         netdev_dbg(dev->net, "dm9601_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
334                    phy_id, loc, val);
335
336         dm_write_shared_word(dev, 1, loc, res);
337 }
338
339 static void dm9601_get_drvinfo(struct net_device *net,
340                                struct ethtool_drvinfo *info)
341 {
342         /* Inherit standard device info */
343         usbnet_get_drvinfo(net, info);
344         info->eedump_len = DM_EEPROM_LEN;
345 }
346
347 static u32 dm9601_get_link(struct net_device *net)
348 {
349         struct usbnet *dev = netdev_priv(net);
350
351         return mii_link_ok(&dev->mii);
352 }
353
354 static int dm9601_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
355 {
356         struct usbnet *dev = netdev_priv(net);
357
358         return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
359 }
360
361 static const struct ethtool_ops dm9601_ethtool_ops = {
362         .get_drvinfo    = dm9601_get_drvinfo,
363         .get_link       = dm9601_get_link,
364         .get_msglevel   = usbnet_get_msglevel,
365         .set_msglevel   = usbnet_set_msglevel,
366         .get_eeprom_len = dm9601_get_eeprom_len,
367         .get_eeprom     = dm9601_get_eeprom,
368         .get_settings   = usbnet_get_settings,
369         .set_settings   = usbnet_set_settings,
370         .nway_reset     = usbnet_nway_reset,
371 };
372
373 static void dm9601_set_multicast(struct net_device *net)
374 {
375         struct usbnet *dev = netdev_priv(net);
376         /* We use the 20 byte dev->data for our 8 byte filter buffer
377          * to avoid allocating memory that is tricky to free later */
378         u8 *hashes = (u8 *) & dev->data;
379         u8 rx_ctl = 0x31;
380
381         memset(hashes, 0x00, DM_MCAST_SIZE);
382         hashes[DM_MCAST_SIZE - 1] |= 0x80;      /* broadcast address */
383
384         if (net->flags & IFF_PROMISC) {
385                 rx_ctl |= 0x02;
386         } else if (net->flags & IFF_ALLMULTI ||
387                    netdev_mc_count(net) > DM_MAX_MCAST) {
388                 rx_ctl |= 0x04;
389         } else if (!netdev_mc_empty(net)) {
390                 struct netdev_hw_addr *ha;
391
392                 netdev_for_each_mc_addr(ha, net) {
393                         u32 crc = ether_crc(ETH_ALEN, ha->addr) >> 26;
394                         hashes[crc >> 3] |= 1 << (crc & 0x7);
395                 }
396         }
397
398         dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes);
399         dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl);
400 }
401
402 static void __dm9601_set_mac_address(struct usbnet *dev)
403 {
404         dm_write_async(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr);
405 }
406
407 static int dm9601_set_mac_address(struct net_device *net, void *p)
408 {
409         struct sockaddr *addr = p;
410         struct usbnet *dev = netdev_priv(net);
411
412         if (!is_valid_ether_addr(addr->sa_data)) {
413                 dev_err(&net->dev, "not setting invalid mac address %pM\n",
414                                                                 addr->sa_data);
415                 return -EINVAL;
416         }
417
418         memcpy(net->dev_addr, addr->sa_data, net->addr_len);
419         __dm9601_set_mac_address(dev);
420
421         return 0;
422 }
423
424 static const struct net_device_ops dm9601_netdev_ops = {
425         .ndo_open               = usbnet_open,
426         .ndo_stop               = usbnet_stop,
427         .ndo_start_xmit         = usbnet_start_xmit,
428         .ndo_tx_timeout         = usbnet_tx_timeout,
429         .ndo_change_mtu         = usbnet_change_mtu,
430         .ndo_validate_addr      = eth_validate_addr,
431         .ndo_do_ioctl           = dm9601_ioctl,
432         .ndo_set_multicast_list = dm9601_set_multicast,
433         .ndo_set_mac_address    = dm9601_set_mac_address,
434 };
435
436 static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
437 {
438         int ret;
439         u8 mac[ETH_ALEN];
440
441         ret = usbnet_get_endpoints(dev, intf);
442         if (ret)
443                 goto out;
444
445         dev->net->netdev_ops = &dm9601_netdev_ops;
446         dev->net->ethtool_ops = &dm9601_ethtool_ops;
447         dev->net->hard_header_len += DM_TX_OVERHEAD;
448         dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
449         dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD;
450
451         dev->mii.dev = dev->net;
452         dev->mii.mdio_read = dm9601_mdio_read;
453         dev->mii.mdio_write = dm9601_mdio_write;
454         dev->mii.phy_id_mask = 0x1f;
455         dev->mii.reg_num_mask = 0x1f;
456
457         /* reset */
458         dm_write_reg(dev, DM_NET_CTRL, 1);
459         udelay(20);
460
461         /* read MAC */
462         if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, mac) < 0) {
463                 printk(KERN_ERR "Error reading MAC address\n");
464                 ret = -ENODEV;
465                 goto out;
466         }
467
468         /*
469          * Overwrite the auto-generated address only with good ones.
470          */
471         if (is_valid_ether_addr(mac))
472                 memcpy(dev->net->dev_addr, mac, ETH_ALEN);
473         else {
474                 printk(KERN_WARNING
475                         "dm9601: No valid MAC address in EEPROM, using %pM\n",
476                         dev->net->dev_addr);
477                 __dm9601_set_mac_address(dev);
478         }
479
480         /* power up phy */
481         dm_write_reg(dev, DM_GPR_CTRL, 1);
482         dm_write_reg(dev, DM_GPR_DATA, 0);
483
484         /* receive broadcast packets */
485         dm9601_set_multicast(dev->net);
486
487         dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
488         dm9601_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
489                           ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
490         mii_nway_restart(&dev->mii);
491
492 out:
493         return ret;
494 }
495
496 static int dm9601_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
497 {
498         u8 status;
499         int len;
500
501         /* format:
502            b1: rx status
503            b2: packet length (incl crc) low
504            b3: packet length (incl crc) high
505            b4..n-4: packet data
506            bn-3..bn: ethernet crc
507          */
508
509         if (unlikely(skb->len < DM_RX_OVERHEAD)) {
510                 dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
511                 return 0;
512         }
513
514         status = skb->data[0];
515         len = (skb->data[1] | (skb->data[2] << 8)) - 4;
516
517         if (unlikely(status & 0xbf)) {
518                 if (status & 0x01) dev->net->stats.rx_fifo_errors++;
519                 if (status & 0x02) dev->net->stats.rx_crc_errors++;
520                 if (status & 0x04) dev->net->stats.rx_frame_errors++;
521                 if (status & 0x20) dev->net->stats.rx_missed_errors++;
522                 if (status & 0x90) dev->net->stats.rx_length_errors++;
523                 return 0;
524         }
525
526         skb_pull(skb, 3);
527         skb_trim(skb, len);
528
529         return 1;
530 }
531
532 static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
533                                        gfp_t flags)
534 {
535         int len;
536
537         /* format:
538            b1: packet length low
539            b2: packet length high
540            b3..n: packet data
541         */
542
543         len = skb->len;
544
545         if (skb_headroom(skb) < DM_TX_OVERHEAD) {
546                 struct sk_buff *skb2;
547
548                 skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
549                 dev_kfree_skb_any(skb);
550                 skb = skb2;
551                 if (!skb)
552                         return NULL;
553         }
554
555         __skb_push(skb, DM_TX_OVERHEAD);
556
557         /* usbnet adds padding if length is a multiple of packet size
558            if so, adjust length value in header */
559         if ((skb->len % dev->maxpacket) == 0)
560                 len++;
561
562         skb->data[0] = len;
563         skb->data[1] = len >> 8;
564
565         return skb;
566 }
567
568 static void dm9601_status(struct usbnet *dev, struct urb *urb)
569 {
570         int link;
571         u8 *buf;
572
573         /* format:
574            b0: net status
575            b1: tx status 1
576            b2: tx status 2
577            b3: rx status
578            b4: rx overflow
579            b5: rx count
580            b6: tx count
581            b7: gpr
582         */
583
584         if (urb->actual_length < 8)
585                 return;
586
587         buf = urb->transfer_buffer;
588
589         link = !!(buf[0] & 0x40);
590         if (netif_carrier_ok(dev->net) != link) {
591                 if (link) {
592                         netif_carrier_on(dev->net);
593                         usbnet_defer_kevent (dev, EVENT_LINK_RESET);
594                 }
595                 else
596                         netif_carrier_off(dev->net);
597                 netdev_dbg(dev->net, "Link Status is: %d\n", link);
598         }
599 }
600
601 static int dm9601_link_reset(struct usbnet *dev)
602 {
603         struct ethtool_cmd ecmd;
604
605         mii_check_media(&dev->mii, 1, 1);
606         mii_ethtool_gset(&dev->mii, &ecmd);
607
608         netdev_dbg(dev->net, "link_reset() speed: %d duplex: %d\n",
609                    ecmd.speed, ecmd.duplex);
610
611         return 0;
612 }
613
614 static const struct driver_info dm9601_info = {
615         .description    = "Davicom DM9601 USB Ethernet",
616         .flags          = FLAG_ETHER | FLAG_LINK_INTR,
617         .bind           = dm9601_bind,
618         .rx_fixup       = dm9601_rx_fixup,
619         .tx_fixup       = dm9601_tx_fixup,
620         .status         = dm9601_status,
621         .link_reset     = dm9601_link_reset,
622         .reset          = dm9601_link_reset,
623 };
624
625 static const struct usb_device_id products[] = {
626         {
627          USB_DEVICE(0x07aa, 0x9601),    /* Corega FEther USB-TXC */
628          .driver_info = (unsigned long)&dm9601_info,
629          },
630         {
631          USB_DEVICE(0x0a46, 0x9601),    /* Davicom USB-100 */
632          .driver_info = (unsigned long)&dm9601_info,
633          },
634         {
635          USB_DEVICE(0x0a46, 0x6688),    /* ZT6688 USB NIC */
636          .driver_info = (unsigned long)&dm9601_info,
637          },
638         {
639          USB_DEVICE(0x0a46, 0x0268),    /* ShanTou ST268 USB NIC */
640          .driver_info = (unsigned long)&dm9601_info,
641          },
642         {
643          USB_DEVICE(0x0a46, 0x8515),    /* ADMtek ADM8515 USB NIC */
644          .driver_info = (unsigned long)&dm9601_info,
645          },
646         {
647         USB_DEVICE(0x0a47, 0x9601),     /* Hirose USB-100 */
648         .driver_info = (unsigned long)&dm9601_info,
649          },
650         {
651         USB_DEVICE(0x0fe6, 0x8101),     /* DM9601 USB to Fast Ethernet Adapter */
652         .driver_info = (unsigned long)&dm9601_info,
653          },
654         {
655          USB_DEVICE(0x0a46, 0x9000),    /* DM9000E */
656          .driver_info = (unsigned long)&dm9601_info,
657          },
658         {},                     // END
659 };
660
661 MODULE_DEVICE_TABLE(usb, products);
662
663 static struct usb_driver dm9601_driver = {
664         .name = "dm9601",
665         .id_table = products,
666         .probe = usbnet_probe,
667         .disconnect = usbnet_disconnect,
668         .suspend = usbnet_suspend,
669         .resume = usbnet_resume,
670 };
671
672 static int __init dm9601_init(void)
673 {
674         return usb_register(&dm9601_driver);
675 }
676
677 static void __exit dm9601_exit(void)
678 {
679         usb_deregister(&dm9601_driver);
680 }
681
682 module_init(dm9601_init);
683 module_exit(dm9601_exit);
684
685 MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
686 MODULE_DESCRIPTION("Davicom DM9601 USB 1.1 ethernet devices");
687 MODULE_LICENSE("GPL");