GNU Linux-libre 4.9.318-gnu1
[releases.git] / drivers / net / usb / asix_devices.c
1 /*
2  * ASIX AX8817X based USB 2.0 Ethernet Devices
3  * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
4  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
5  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
6  * Copyright (c) 2002-2003 TiVo Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, see <http://www.gnu.org/licenses/>.
20  */
21
22 #include "asix.h"
23
24 #define PHY_MODE_MARVELL        0x0000
25 #define MII_MARVELL_LED_CTRL    0x0018
26 #define MII_MARVELL_STATUS      0x001b
27 #define MII_MARVELL_CTRL        0x0014
28
29 #define MARVELL_LED_MANUAL      0x0019
30
31 #define MARVELL_STATUS_HWCFG    0x0004
32
33 #define MARVELL_CTRL_TXDELAY    0x0002
34 #define MARVELL_CTRL_RXDELAY    0x0080
35
36 #define PHY_MODE_RTL8211CL      0x000C
37
38 #define AX88772A_PHY14H         0x14
39 #define AX88772A_PHY14H_DEFAULT 0x442C
40
41 #define AX88772A_PHY15H         0x15
42 #define AX88772A_PHY15H_DEFAULT 0x03C8
43
44 #define AX88772A_PHY16H         0x16
45 #define AX88772A_PHY16H_DEFAULT 0x4044
46
47 struct ax88172_int_data {
48         __le16 res1;
49         u8 link;
50         __le16 res2;
51         u8 status;
52         __le16 res3;
53 } __packed;
54
55 static void asix_status(struct usbnet *dev, struct urb *urb)
56 {
57         struct ax88172_int_data *event;
58         int link;
59
60         if (urb->actual_length < 8)
61                 return;
62
63         event = urb->transfer_buffer;
64         link = event->link & 0x01;
65         if (netif_carrier_ok(dev->net) != link) {
66                 usbnet_link_change(dev, link, 1);
67                 netdev_dbg(dev->net, "Link Status is: %d\n", link);
68         }
69 }
70
71 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
72 {
73         if (is_valid_ether_addr(addr)) {
74                 memcpy(dev->net->dev_addr, addr, ETH_ALEN);
75         } else {
76                 netdev_info(dev->net, "invalid hw address, using random\n");
77                 eth_hw_addr_random(dev->net);
78         }
79 }
80
81 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
82 static u32 asix_get_phyid(struct usbnet *dev)
83 {
84         int phy_reg;
85         u32 phy_id;
86         int i;
87
88         /* Poll for the rare case the FW or phy isn't ready yet.  */
89         for (i = 0; i < 100; i++) {
90                 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
91                 if (phy_reg < 0)
92                         return 0;
93                 if (phy_reg != 0 && phy_reg != 0xFFFF)
94                         break;
95                 mdelay(1);
96         }
97
98         if (phy_reg <= 0 || phy_reg == 0xFFFF)
99                 return 0;
100
101         phy_id = (phy_reg & 0xffff) << 16;
102
103         phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
104         if (phy_reg < 0)
105                 return 0;
106
107         phy_id |= (phy_reg & 0xffff);
108
109         return phy_id;
110 }
111
112 static u32 asix_get_link(struct net_device *net)
113 {
114         struct usbnet *dev = netdev_priv(net);
115
116         return mii_link_ok(&dev->mii);
117 }
118
119 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
120 {
121         struct usbnet *dev = netdev_priv(net);
122
123         return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
124 }
125
126 /* We need to override some ethtool_ops so we require our
127    own structure so we don't interfere with other usbnet
128    devices that may be connected at the same time. */
129 static const struct ethtool_ops ax88172_ethtool_ops = {
130         .get_drvinfo            = asix_get_drvinfo,
131         .get_link               = asix_get_link,
132         .get_msglevel           = usbnet_get_msglevel,
133         .set_msglevel           = usbnet_set_msglevel,
134         .get_wol                = asix_get_wol,
135         .set_wol                = asix_set_wol,
136         .get_eeprom_len         = asix_get_eeprom_len,
137         .get_eeprom             = asix_get_eeprom,
138         .set_eeprom             = asix_set_eeprom,
139         .get_settings           = usbnet_get_settings,
140         .set_settings           = usbnet_set_settings,
141         .nway_reset             = usbnet_nway_reset,
142 };
143
144 static void ax88172_set_multicast(struct net_device *net)
145 {
146         struct usbnet *dev = netdev_priv(net);
147         struct asix_data *data = (struct asix_data *)&dev->data;
148         u8 rx_ctl = 0x8c;
149
150         if (net->flags & IFF_PROMISC) {
151                 rx_ctl |= 0x01;
152         } else if (net->flags & IFF_ALLMULTI ||
153                    netdev_mc_count(net) > AX_MAX_MCAST) {
154                 rx_ctl |= 0x02;
155         } else if (netdev_mc_empty(net)) {
156                 /* just broadcast and directed */
157         } else {
158                 /* We use the 20 byte dev->data
159                  * for our 8 byte filter buffer
160                  * to avoid allocating memory that
161                  * is tricky to free later */
162                 struct netdev_hw_addr *ha;
163                 u32 crc_bits;
164
165                 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
166
167                 /* Build the multicast hash filter. */
168                 netdev_for_each_mc_addr(ha, net) {
169                         crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
170                         data->multi_filter[crc_bits >> 3] |=
171                             1 << (crc_bits & 7);
172                 }
173
174                 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
175                                    AX_MCAST_FILTER_SIZE, data->multi_filter);
176
177                 rx_ctl |= 0x10;
178         }
179
180         asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
181 }
182
183 static int ax88172_link_reset(struct usbnet *dev)
184 {
185         u8 mode;
186         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
187
188         mii_check_media(&dev->mii, 1, 1);
189         mii_ethtool_gset(&dev->mii, &ecmd);
190         mode = AX88172_MEDIUM_DEFAULT;
191
192         if (ecmd.duplex != DUPLEX_FULL)
193                 mode |= ~AX88172_MEDIUM_FD;
194
195         netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
196                    ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
197
198         asix_write_medium_mode(dev, mode, 0);
199
200         return 0;
201 }
202
203 static const struct net_device_ops ax88172_netdev_ops = {
204         .ndo_open               = usbnet_open,
205         .ndo_stop               = usbnet_stop,
206         .ndo_start_xmit         = usbnet_start_xmit,
207         .ndo_tx_timeout         = usbnet_tx_timeout,
208         .ndo_change_mtu         = usbnet_change_mtu,
209         .ndo_set_mac_address    = eth_mac_addr,
210         .ndo_validate_addr      = eth_validate_addr,
211         .ndo_do_ioctl           = asix_ioctl,
212         .ndo_set_rx_mode        = ax88172_set_multicast,
213 };
214
215 static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
216 {
217         unsigned int timeout = 5000;
218
219         asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
220
221         /* give phy_id a chance to process reset */
222         udelay(500);
223
224         /* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
225         while (timeout--) {
226                 if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
227                                                         & BMCR_RESET)
228                         udelay(100);
229                 else
230                         return;
231         }
232
233         netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
234                    dev->mii.phy_id);
235 }
236
237 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
238 {
239         int ret = 0;
240         u8 buf[ETH_ALEN] = {0};
241         int i;
242         unsigned long gpio_bits = dev->driver_info->data;
243
244         usbnet_get_endpoints(dev,intf);
245
246         /* Toggle the GPIOs in a manufacturer/model specific way */
247         for (i = 2; i >= 0; i--) {
248                 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
249                                 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
250                 if (ret < 0)
251                         goto out;
252                 msleep(5);
253         }
254
255         ret = asix_write_rx_ctl(dev, 0x80, 0);
256         if (ret < 0)
257                 goto out;
258
259         /* Get the MAC address */
260         ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
261                             0, 0, ETH_ALEN, buf, 0);
262         if (ret < 0) {
263                 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
264                            ret);
265                 goto out;
266         }
267
268         asix_set_netdev_dev_addr(dev, buf);
269
270         /* Initialize MII structure */
271         dev->mii.dev = dev->net;
272         dev->mii.mdio_read = asix_mdio_read;
273         dev->mii.mdio_write = asix_mdio_write;
274         dev->mii.phy_id_mask = 0x3f;
275         dev->mii.reg_num_mask = 0x1f;
276         dev->mii.phy_id = asix_get_phy_addr(dev);
277
278         dev->net->netdev_ops = &ax88172_netdev_ops;
279         dev->net->ethtool_ops = &ax88172_ethtool_ops;
280         dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
281         dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
282
283         asix_phy_reset(dev, BMCR_RESET);
284         asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
285                 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
286         mii_nway_restart(&dev->mii);
287
288         return 0;
289
290 out:
291         return ret;
292 }
293
294 static const struct ethtool_ops ax88772_ethtool_ops = {
295         .get_drvinfo            = asix_get_drvinfo,
296         .get_link               = asix_get_link,
297         .get_msglevel           = usbnet_get_msglevel,
298         .set_msglevel           = usbnet_set_msglevel,
299         .get_wol                = asix_get_wol,
300         .set_wol                = asix_set_wol,
301         .get_eeprom_len         = asix_get_eeprom_len,
302         .get_eeprom             = asix_get_eeprom,
303         .set_eeprom             = asix_set_eeprom,
304         .get_settings           = usbnet_get_settings,
305         .set_settings           = usbnet_set_settings,
306         .nway_reset             = usbnet_nway_reset,
307 };
308
309 static int ax88772_link_reset(struct usbnet *dev)
310 {
311         u16 mode;
312         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
313
314         mii_check_media(&dev->mii, 1, 1);
315         mii_ethtool_gset(&dev->mii, &ecmd);
316         mode = AX88772_MEDIUM_DEFAULT;
317
318         if (ethtool_cmd_speed(&ecmd) != SPEED_100)
319                 mode &= ~AX_MEDIUM_PS;
320
321         if (ecmd.duplex != DUPLEX_FULL)
322                 mode &= ~AX_MEDIUM_FD;
323
324         netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
325                    ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
326
327         asix_write_medium_mode(dev, mode, 0);
328
329         return 0;
330 }
331
332 static int ax88772_reset(struct usbnet *dev)
333 {
334         struct asix_data *data = (struct asix_data *)&dev->data;
335         int ret;
336
337         /* Rewrite MAC address */
338         ether_addr_copy(data->mac_addr, dev->net->dev_addr);
339         ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
340                              ETH_ALEN, data->mac_addr, 0);
341         if (ret < 0)
342                 goto out;
343
344         /* Set RX_CTL to default values with 2k buffer, and enable cactus */
345         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
346         if (ret < 0)
347                 goto out;
348
349         asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
350         if (ret < 0)
351                 goto out;
352
353         return 0;
354
355 out:
356         return ret;
357 }
358
359 static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
360 {
361         struct asix_data *data = (struct asix_data *)&dev->data;
362         int ret, embd_phy;
363         u16 rx_ctl;
364
365         ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
366                               AX_GPIO_GPO2EN, 5, in_pm);
367         if (ret < 0)
368                 goto out;
369
370         embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
371
372         ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy,
373                              0, 0, NULL, in_pm);
374         if (ret < 0) {
375                 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
376                 goto out;
377         }
378
379         if (embd_phy) {
380                 ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
381                 if (ret < 0)
382                         goto out;
383
384                 usleep_range(10000, 11000);
385
386                 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
387                 if (ret < 0)
388                         goto out;
389
390                 msleep(60);
391
392                 ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
393                                     in_pm);
394                 if (ret < 0)
395                         goto out;
396         } else {
397                 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
398                                     in_pm);
399                 if (ret < 0)
400                         goto out;
401         }
402
403         msleep(150);
404
405         if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
406                                            MII_PHYSID1))){
407                 ret = -EIO;
408                 goto out;
409         }
410
411         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
412         if (ret < 0)
413                 goto out;
414
415         ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
416         if (ret < 0)
417                 goto out;
418
419         ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
420                              AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
421                              AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
422         if (ret < 0) {
423                 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
424                 goto out;
425         }
426
427         /* Rewrite MAC address */
428         ether_addr_copy(data->mac_addr, dev->net->dev_addr);
429         ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
430                              ETH_ALEN, data->mac_addr, in_pm);
431         if (ret < 0)
432                 goto out;
433
434         /* Set RX_CTL to default values with 2k buffer, and enable cactus */
435         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
436         if (ret < 0)
437                 goto out;
438
439         rx_ctl = asix_read_rx_ctl(dev, in_pm);
440         netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
441                    rx_ctl);
442
443         rx_ctl = asix_read_medium_status(dev, in_pm);
444         netdev_dbg(dev->net,
445                    "Medium Status is 0x%04x after all initializations\n",
446                    rx_ctl);
447
448         return 0;
449
450 out:
451         return ret;
452 }
453
454 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
455 {
456         struct asix_data *data = (struct asix_data *)&dev->data;
457         int ret, embd_phy;
458         u16 rx_ctl, phy14h, phy15h, phy16h;
459         u8 chipcode = 0;
460
461         ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
462         if (ret < 0)
463                 goto out;
464
465         embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
466
467         ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy |
468                              AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
469         if (ret < 0) {
470                 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
471                 goto out;
472         }
473         usleep_range(10000, 11000);
474
475         ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
476         if (ret < 0)
477                 goto out;
478
479         usleep_range(10000, 11000);
480
481         ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
482         if (ret < 0)
483                 goto out;
484
485         msleep(160);
486
487         ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
488         if (ret < 0)
489                 goto out;
490
491         ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
492         if (ret < 0)
493                 goto out;
494
495         msleep(200);
496
497         if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
498                                            MII_PHYSID1))) {
499                 ret = -1;
500                 goto out;
501         }
502
503         ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0,
504                             0, 1, &chipcode, in_pm);
505         if (ret < 0)
506                 goto out;
507
508         if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772B_CHIPCODE) {
509                 ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
510                                      0, NULL, in_pm);
511                 if (ret < 0) {
512                         netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
513                                    ret);
514                         goto out;
515                 }
516         } else if ((chipcode & AX_CHIPCODE_MASK) == AX_AX88772A_CHIPCODE) {
517                 /* Check if the PHY registers have default settings */
518                 phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
519                                              AX88772A_PHY14H);
520                 phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
521                                              AX88772A_PHY15H);
522                 phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
523                                              AX88772A_PHY16H);
524
525                 netdev_dbg(dev->net,
526                            "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
527                            phy14h, phy15h, phy16h);
528
529                 /* Restore PHY registers default setting if not */
530                 if (phy14h != AX88772A_PHY14H_DEFAULT)
531                         asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
532                                              AX88772A_PHY14H,
533                                              AX88772A_PHY14H_DEFAULT);
534                 if (phy15h != AX88772A_PHY15H_DEFAULT)
535                         asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
536                                              AX88772A_PHY15H,
537                                              AX88772A_PHY15H_DEFAULT);
538                 if (phy16h != AX88772A_PHY16H_DEFAULT)
539                         asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
540                                              AX88772A_PHY16H,
541                                              AX88772A_PHY16H_DEFAULT);
542         }
543
544         ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
545                                 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
546                                 AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
547         if (ret < 0) {
548                 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
549                 goto out;
550         }
551
552         /* Rewrite MAC address */
553         memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
554         ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
555                                                         data->mac_addr, in_pm);
556         if (ret < 0)
557                 goto out;
558
559         /* Set RX_CTL to default values with 2k buffer, and enable cactus */
560         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
561         if (ret < 0)
562                 goto out;
563
564         ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
565         if (ret < 0)
566                 return ret;
567
568         /* Set RX_CTL to default values with 2k buffer, and enable cactus */
569         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
570         if (ret < 0)
571                 goto out;
572
573         rx_ctl = asix_read_rx_ctl(dev, in_pm);
574         netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
575                    rx_ctl);
576
577         rx_ctl = asix_read_medium_status(dev, in_pm);
578         netdev_dbg(dev->net,
579                    "Medium Status is 0x%04x after all initializations\n",
580                    rx_ctl);
581
582         return 0;
583
584 out:
585         return ret;
586 }
587
588 static const struct net_device_ops ax88772_netdev_ops = {
589         .ndo_open               = usbnet_open,
590         .ndo_stop               = usbnet_stop,
591         .ndo_start_xmit         = usbnet_start_xmit,
592         .ndo_tx_timeout         = usbnet_tx_timeout,
593         .ndo_change_mtu         = usbnet_change_mtu,
594         .ndo_set_mac_address    = asix_set_mac_address,
595         .ndo_validate_addr      = eth_validate_addr,
596         .ndo_do_ioctl           = asix_ioctl,
597         .ndo_set_rx_mode        = asix_set_multicast,
598 };
599
600 static void ax88772_suspend(struct usbnet *dev)
601 {
602         struct asix_common_private *priv = dev->driver_priv;
603         u16 medium;
604
605         /* Stop MAC operation */
606         medium = asix_read_medium_status(dev, 1);
607         medium &= ~AX_MEDIUM_RE;
608         asix_write_medium_mode(dev, medium, 1);
609
610         netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
611                    asix_read_medium_status(dev, 1));
612
613         /* Preserve BMCR for restoring */
614         priv->presvd_phy_bmcr =
615                 asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
616
617         /* Preserve ANAR for restoring */
618         priv->presvd_phy_advertise =
619                 asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
620 }
621
622 static int asix_suspend(struct usb_interface *intf, pm_message_t message)
623 {
624         struct usbnet *dev = usb_get_intfdata(intf);
625         struct asix_common_private *priv = dev->driver_priv;
626
627         if (priv && priv->suspend)
628                 priv->suspend(dev);
629
630         return usbnet_suspend(intf, message);
631 }
632
633 static void ax88772_restore_phy(struct usbnet *dev)
634 {
635         struct asix_common_private *priv = dev->driver_priv;
636
637         if (priv->presvd_phy_advertise) {
638                 /* Restore Advertisement control reg */
639                 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
640                                      priv->presvd_phy_advertise);
641
642                 /* Restore BMCR */
643                 if (priv->presvd_phy_bmcr & BMCR_ANENABLE)
644                         priv->presvd_phy_bmcr |= BMCR_ANRESTART;
645
646                 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
647                                      priv->presvd_phy_bmcr);
648
649                 priv->presvd_phy_advertise = 0;
650                 priv->presvd_phy_bmcr = 0;
651         }
652 }
653
654 static void ax88772_resume(struct usbnet *dev)
655 {
656         int i;
657
658         for (i = 0; i < 3; i++)
659                 if (!ax88772_hw_reset(dev, 1))
660                         break;
661         ax88772_restore_phy(dev);
662 }
663
664 static void ax88772a_resume(struct usbnet *dev)
665 {
666         int i;
667
668         for (i = 0; i < 3; i++) {
669                 if (!ax88772a_hw_reset(dev, 1))
670                         break;
671         }
672
673         ax88772_restore_phy(dev);
674 }
675
676 static int asix_resume(struct usb_interface *intf)
677 {
678         struct usbnet *dev = usb_get_intfdata(intf);
679         struct asix_common_private *priv = dev->driver_priv;
680
681         if (priv && priv->resume)
682                 priv->resume(dev);
683
684         return usbnet_resume(intf);
685 }
686
687 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
688 {
689         int ret, i;
690         u8 buf[ETH_ALEN] = {0}, chipcode = 0;
691         u32 phyid;
692         struct asix_common_private *priv;
693
694         usbnet_get_endpoints(dev,intf);
695
696         /* Get the MAC address */
697         if (dev->driver_info->data & FLAG_EEPROM_MAC) {
698                 for (i = 0; i < (ETH_ALEN >> 1); i++) {
699                         ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
700                                             0, 2, buf + i * 2, 0);
701                         if (ret < 0)
702                                 break;
703                 }
704         } else {
705                 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
706                                 0, 0, ETH_ALEN, buf, 0);
707         }
708
709         if (ret < 0) {
710                 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
711                 return ret;
712         }
713
714         asix_set_netdev_dev_addr(dev, buf);
715
716         /* Initialize MII structure */
717         dev->mii.dev = dev->net;
718         dev->mii.mdio_read = asix_mdio_read;
719         dev->mii.mdio_write = asix_mdio_write;
720         dev->mii.phy_id_mask = 0x1f;
721         dev->mii.reg_num_mask = 0x1f;
722         dev->mii.phy_id = asix_get_phy_addr(dev);
723
724         dev->net->netdev_ops = &ax88772_netdev_ops;
725         dev->net->ethtool_ops = &ax88772_ethtool_ops;
726         dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
727         dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
728
729         asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, &chipcode, 0);
730         chipcode &= AX_CHIPCODE_MASK;
731
732         ret = (chipcode == AX_AX88772_CHIPCODE) ? ax88772_hw_reset(dev, 0) :
733                                                   ax88772a_hw_reset(dev, 0);
734
735         if (ret < 0) {
736                 netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
737                 return ret;
738         }
739
740         /* Read PHYID register *AFTER* the PHY was reset properly */
741         phyid = asix_get_phyid(dev);
742         netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
743
744         /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
745         if (dev->driver_info->flags & FLAG_FRAMING_AX) {
746                 /* hard_mtu  is still the default - the device does not support
747                    jumbo eth frames */
748                 dev->rx_urb_size = 2048;
749         }
750
751         dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
752         if (!dev->driver_priv)
753                 return -ENOMEM;
754
755         priv = dev->driver_priv;
756
757         priv->presvd_phy_bmcr = 0;
758         priv->presvd_phy_advertise = 0;
759         if (chipcode == AX_AX88772_CHIPCODE) {
760                 priv->resume = ax88772_resume;
761                 priv->suspend = ax88772_suspend;
762         } else {
763                 priv->resume = ax88772a_resume;
764                 priv->suspend = ax88772_suspend;
765         }
766
767         return 0;
768 }
769
770 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
771 {
772         kfree(dev->driver_priv);
773 }
774
775 static const struct ethtool_ops ax88178_ethtool_ops = {
776         .get_drvinfo            = asix_get_drvinfo,
777         .get_link               = asix_get_link,
778         .get_msglevel           = usbnet_get_msglevel,
779         .set_msglevel           = usbnet_set_msglevel,
780         .get_wol                = asix_get_wol,
781         .set_wol                = asix_set_wol,
782         .get_eeprom_len         = asix_get_eeprom_len,
783         .get_eeprom             = asix_get_eeprom,
784         .set_eeprom             = asix_set_eeprom,
785         .get_settings           = usbnet_get_settings,
786         .set_settings           = usbnet_set_settings,
787         .nway_reset             = usbnet_nway_reset,
788 };
789
790 static int marvell_phy_init(struct usbnet *dev)
791 {
792         struct asix_data *data = (struct asix_data *)&dev->data;
793         u16 reg;
794
795         netdev_dbg(dev->net, "marvell_phy_init()\n");
796
797         reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
798         netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
799
800         asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
801                         MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
802
803         if (data->ledmode) {
804                 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
805                         MII_MARVELL_LED_CTRL);
806                 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
807
808                 reg &= 0xf8ff;
809                 reg |= (1 + 0x0100);
810                 asix_mdio_write(dev->net, dev->mii.phy_id,
811                         MII_MARVELL_LED_CTRL, reg);
812
813                 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
814                         MII_MARVELL_LED_CTRL);
815                 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
816                 reg &= 0xfc0f;
817         }
818
819         return 0;
820 }
821
822 static int rtl8211cl_phy_init(struct usbnet *dev)
823 {
824         struct asix_data *data = (struct asix_data *)&dev->data;
825
826         netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
827
828         asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
829         asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
830         asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
831                 asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
832         asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
833
834         if (data->ledmode == 12) {
835                 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
836                 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
837                 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
838         }
839
840         return 0;
841 }
842
843 static int marvell_led_status(struct usbnet *dev, u16 speed)
844 {
845         u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
846
847         netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
848
849         /* Clear out the center LED bits - 0x03F0 */
850         reg &= 0xfc0f;
851
852         switch (speed) {
853                 case SPEED_1000:
854                         reg |= 0x03e0;
855                         break;
856                 case SPEED_100:
857                         reg |= 0x03b0;
858                         break;
859                 default:
860                         reg |= 0x02f0;
861         }
862
863         netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
864         asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
865
866         return 0;
867 }
868
869 static int ax88178_reset(struct usbnet *dev)
870 {
871         struct asix_data *data = (struct asix_data *)&dev->data;
872         int ret;
873         __le16 eeprom;
874         u8 status;
875         int gpio0 = 0;
876         u32 phyid;
877
878         asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
879         netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
880
881         asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
882         asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
883         asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
884
885         netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
886
887         if (eeprom == cpu_to_le16(0xffff)) {
888                 data->phymode = PHY_MODE_MARVELL;
889                 data->ledmode = 0;
890                 gpio0 = 1;
891         } else {
892                 data->phymode = le16_to_cpu(eeprom) & 0x7F;
893                 data->ledmode = le16_to_cpu(eeprom) >> 8;
894                 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
895         }
896         netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
897
898         /* Power up external GigaPHY through AX88178 GPIO pin */
899         asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
900                         AX_GPIO_GPO1EN, 40, 0);
901         if ((le16_to_cpu(eeprom) >> 8) != 1) {
902                 asix_write_gpio(dev, 0x003c, 30, 0);
903                 asix_write_gpio(dev, 0x001c, 300, 0);
904                 asix_write_gpio(dev, 0x003c, 30, 0);
905         } else {
906                 netdev_dbg(dev->net, "gpio phymode == 1 path\n");
907                 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
908                 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
909         }
910
911         /* Read PHYID register *AFTER* powering up PHY */
912         phyid = asix_get_phyid(dev);
913         netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
914
915         /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
916         asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
917
918         asix_sw_reset(dev, 0, 0);
919         msleep(150);
920
921         asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
922         msleep(150);
923
924         asix_write_rx_ctl(dev, 0, 0);
925
926         if (data->phymode == PHY_MODE_MARVELL) {
927                 marvell_phy_init(dev);
928                 msleep(60);
929         } else if (data->phymode == PHY_MODE_RTL8211CL)
930                 rtl8211cl_phy_init(dev);
931
932         asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
933         asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
934                         ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
935         asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
936                         ADVERTISE_1000FULL);
937
938         asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
939         mii_nway_restart(&dev->mii);
940
941         /* Rewrite MAC address */
942         memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
943         ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
944                                                         data->mac_addr, 0);
945         if (ret < 0)
946                 return ret;
947
948         ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
949         if (ret < 0)
950                 return ret;
951
952         return 0;
953 }
954
955 static int ax88178_link_reset(struct usbnet *dev)
956 {
957         u16 mode;
958         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
959         struct asix_data *data = (struct asix_data *)&dev->data;
960         u32 speed;
961
962         netdev_dbg(dev->net, "ax88178_link_reset()\n");
963
964         mii_check_media(&dev->mii, 1, 1);
965         mii_ethtool_gset(&dev->mii, &ecmd);
966         mode = AX88178_MEDIUM_DEFAULT;
967         speed = ethtool_cmd_speed(&ecmd);
968
969         if (speed == SPEED_1000)
970                 mode |= AX_MEDIUM_GM;
971         else if (speed == SPEED_100)
972                 mode |= AX_MEDIUM_PS;
973         else
974                 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
975
976         mode |= AX_MEDIUM_ENCK;
977
978         if (ecmd.duplex == DUPLEX_FULL)
979                 mode |= AX_MEDIUM_FD;
980         else
981                 mode &= ~AX_MEDIUM_FD;
982
983         netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
984                    speed, ecmd.duplex, mode);
985
986         asix_write_medium_mode(dev, mode, 0);
987
988         if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
989                 marvell_led_status(dev, speed);
990
991         return 0;
992 }
993
994 static void ax88178_set_mfb(struct usbnet *dev)
995 {
996         u16 mfb = AX_RX_CTL_MFB_16384;
997         u16 rxctl;
998         u16 medium;
999         int old_rx_urb_size = dev->rx_urb_size;
1000
1001         if (dev->hard_mtu < 2048) {
1002                 dev->rx_urb_size = 2048;
1003                 mfb = AX_RX_CTL_MFB_2048;
1004         } else if (dev->hard_mtu < 4096) {
1005                 dev->rx_urb_size = 4096;
1006                 mfb = AX_RX_CTL_MFB_4096;
1007         } else if (dev->hard_mtu < 8192) {
1008                 dev->rx_urb_size = 8192;
1009                 mfb = AX_RX_CTL_MFB_8192;
1010         } else if (dev->hard_mtu < 16384) {
1011                 dev->rx_urb_size = 16384;
1012                 mfb = AX_RX_CTL_MFB_16384;
1013         }
1014
1015         rxctl = asix_read_rx_ctl(dev, 0);
1016         asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
1017
1018         medium = asix_read_medium_status(dev, 0);
1019         if (dev->net->mtu > 1500)
1020                 medium |= AX_MEDIUM_JFE;
1021         else
1022                 medium &= ~AX_MEDIUM_JFE;
1023         asix_write_medium_mode(dev, medium, 0);
1024
1025         if (dev->rx_urb_size > old_rx_urb_size)
1026                 usbnet_unlink_rx_urbs(dev);
1027 }
1028
1029 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1030 {
1031         struct usbnet *dev = netdev_priv(net);
1032         int ll_mtu = new_mtu + net->hard_header_len + 4;
1033
1034         netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
1035
1036         if (new_mtu <= 0 || ll_mtu > 16384)
1037                 return -EINVAL;
1038
1039         if ((ll_mtu % dev->maxpacket) == 0)
1040                 return -EDOM;
1041
1042         net->mtu = new_mtu;
1043         dev->hard_mtu = net->mtu + net->hard_header_len;
1044         ax88178_set_mfb(dev);
1045
1046         /* max qlen depend on hard_mtu and rx_urb_size */
1047         usbnet_update_max_qlen(dev);
1048
1049         return 0;
1050 }
1051
1052 static const struct net_device_ops ax88178_netdev_ops = {
1053         .ndo_open               = usbnet_open,
1054         .ndo_stop               = usbnet_stop,
1055         .ndo_start_xmit         = usbnet_start_xmit,
1056         .ndo_tx_timeout         = usbnet_tx_timeout,
1057         .ndo_set_mac_address    = asix_set_mac_address,
1058         .ndo_validate_addr      = eth_validate_addr,
1059         .ndo_set_rx_mode        = asix_set_multicast,
1060         .ndo_do_ioctl           = asix_ioctl,
1061         .ndo_change_mtu         = ax88178_change_mtu,
1062 };
1063
1064 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1065 {
1066         int ret;
1067         u8 buf[ETH_ALEN] = {0};
1068
1069         usbnet_get_endpoints(dev,intf);
1070
1071         /* Get the MAC address */
1072         ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
1073         if (ret < 0) {
1074                 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
1075                 return ret;
1076         }
1077
1078         asix_set_netdev_dev_addr(dev, buf);
1079
1080         /* Initialize MII structure */
1081         dev->mii.dev = dev->net;
1082         dev->mii.mdio_read = asix_mdio_read;
1083         dev->mii.mdio_write = asix_mdio_write;
1084         dev->mii.phy_id_mask = 0x1f;
1085         dev->mii.reg_num_mask = 0xff;
1086         dev->mii.supports_gmii = 1;
1087         dev->mii.phy_id = asix_get_phy_addr(dev);
1088
1089         dev->net->netdev_ops = &ax88178_netdev_ops;
1090         dev->net->ethtool_ops = &ax88178_ethtool_ops;
1091
1092         /* Blink LEDS so users know driver saw dongle */
1093         asix_sw_reset(dev, 0, 0);
1094         msleep(150);
1095
1096         asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
1097         msleep(150);
1098
1099         /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1100         if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1101                 /* hard_mtu  is still the default - the device does not support
1102                    jumbo eth frames */
1103                 dev->rx_urb_size = 2048;
1104         }
1105
1106         dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
1107         if (!dev->driver_priv)
1108                         return -ENOMEM;
1109
1110         return 0;
1111 }
1112
1113 static const struct driver_info ax8817x_info = {
1114         .description = "ASIX AX8817x USB 2.0 Ethernet",
1115         .bind = ax88172_bind,
1116         .status = asix_status,
1117         .link_reset = ax88172_link_reset,
1118         .reset = ax88172_link_reset,
1119         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
1120         .data = 0x00130103,
1121 };
1122
1123 static const struct driver_info dlink_dub_e100_info = {
1124         .description = "DLink DUB-E100 USB Ethernet",
1125         .bind = ax88172_bind,
1126         .status = asix_status,
1127         .link_reset = ax88172_link_reset,
1128         .reset = ax88172_link_reset,
1129         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
1130         .data = 0x009f9d9f,
1131 };
1132
1133 static const struct driver_info netgear_fa120_info = {
1134         .description = "Netgear FA-120 USB Ethernet",
1135         .bind = ax88172_bind,
1136         .status = asix_status,
1137         .link_reset = ax88172_link_reset,
1138         .reset = ax88172_link_reset,
1139         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
1140         .data = 0x00130103,
1141 };
1142
1143 static const struct driver_info hawking_uf200_info = {
1144         .description = "Hawking UF200 USB Ethernet",
1145         .bind = ax88172_bind,
1146         .status = asix_status,
1147         .link_reset = ax88172_link_reset,
1148         .reset = ax88172_link_reset,
1149         .flags =  FLAG_ETHER | FLAG_LINK_INTR,
1150         .data = 0x001f1d1f,
1151 };
1152
1153 static const struct driver_info ax88772_info = {
1154         .description = "ASIX AX88772 USB 2.0 Ethernet",
1155         .bind = ax88772_bind,
1156         .unbind = ax88772_unbind,
1157         .status = asix_status,
1158         .link_reset = ax88772_link_reset,
1159         .reset = ax88772_reset,
1160         .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
1161         .rx_fixup = asix_rx_fixup_common,
1162         .tx_fixup = asix_tx_fixup,
1163 };
1164
1165 static const struct driver_info ax88772b_info = {
1166         .description = "ASIX AX88772B USB 2.0 Ethernet",
1167         .bind = ax88772_bind,
1168         .unbind = ax88772_unbind,
1169         .status = asix_status,
1170         .link_reset = ax88772_link_reset,
1171         .reset = ax88772_reset,
1172         .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1173                  FLAG_MULTI_PACKET,
1174         .rx_fixup = asix_rx_fixup_common,
1175         .tx_fixup = asix_tx_fixup,
1176         .data = FLAG_EEPROM_MAC,
1177 };
1178
1179 static const struct driver_info ax88178_info = {
1180         .description = "ASIX AX88178 USB 2.0 Ethernet",
1181         .bind = ax88178_bind,
1182         .unbind = ax88772_unbind,
1183         .status = asix_status,
1184         .link_reset = ax88178_link_reset,
1185         .reset = ax88178_reset,
1186         .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1187                  FLAG_MULTI_PACKET,
1188         .rx_fixup = asix_rx_fixup_common,
1189         .tx_fixup = asix_tx_fixup,
1190 };
1191
1192 /*
1193  * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
1194  * no-name packaging.
1195  * USB device strings are:
1196  *   1: Manufacturer: USBLINK
1197  *   2: Product: HG20F9 USB2.0
1198  *   3: Serial: 000003
1199  * Appears to be compatible with Asix 88772B.
1200  */
1201 static const struct driver_info hg20f9_info = {
1202         .description = "HG20F9 USB 2.0 Ethernet",
1203         .bind = ax88772_bind,
1204         .unbind = ax88772_unbind,
1205         .status = asix_status,
1206         .link_reset = ax88772_link_reset,
1207         .reset = ax88772_reset,
1208         .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
1209                  FLAG_MULTI_PACKET,
1210         .rx_fixup = asix_rx_fixup_common,
1211         .tx_fixup = asix_tx_fixup,
1212         .data = FLAG_EEPROM_MAC,
1213 };
1214
1215 static const struct usb_device_id       products [] = {
1216 {
1217         // Linksys USB200M
1218         USB_DEVICE (0x077b, 0x2226),
1219         .driver_info =  (unsigned long) &ax8817x_info,
1220 }, {
1221         // Netgear FA120
1222         USB_DEVICE (0x0846, 0x1040),
1223         .driver_info =  (unsigned long) &netgear_fa120_info,
1224 }, {
1225         // DLink DUB-E100
1226         USB_DEVICE (0x2001, 0x1a00),
1227         .driver_info =  (unsigned long) &dlink_dub_e100_info,
1228 }, {
1229         // Intellinet, ST Lab USB Ethernet
1230         USB_DEVICE (0x0b95, 0x1720),
1231         .driver_info =  (unsigned long) &ax8817x_info,
1232 }, {
1233         // Hawking UF200, TrendNet TU2-ET100
1234         USB_DEVICE (0x07b8, 0x420a),
1235         .driver_info =  (unsigned long) &hawking_uf200_info,
1236 }, {
1237         // Billionton Systems, USB2AR
1238         USB_DEVICE (0x08dd, 0x90ff),
1239         .driver_info =  (unsigned long) &ax8817x_info,
1240 }, {
1241         // Billionton Systems, GUSB2AM-1G-B
1242         USB_DEVICE(0x08dd, 0x0114),
1243         .driver_info =  (unsigned long) &ax88178_info,
1244 }, {
1245         // ATEN UC210T
1246         USB_DEVICE (0x0557, 0x2009),
1247         .driver_info =  (unsigned long) &ax8817x_info,
1248 }, {
1249         // Buffalo LUA-U2-KTX
1250         USB_DEVICE (0x0411, 0x003d),
1251         .driver_info =  (unsigned long) &ax8817x_info,
1252 }, {
1253         // Buffalo LUA-U2-GT 10/100/1000
1254         USB_DEVICE (0x0411, 0x006e),
1255         .driver_info =  (unsigned long) &ax88178_info,
1256 }, {
1257         // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1258         USB_DEVICE (0x6189, 0x182d),
1259         .driver_info =  (unsigned long) &ax8817x_info,
1260 }, {
1261         // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
1262         USB_DEVICE (0x0df6, 0x0056),
1263         .driver_info =  (unsigned long) &ax88178_info,
1264 }, {
1265         // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
1266         USB_DEVICE (0x0df6, 0x061c),
1267         .driver_info =  (unsigned long) &ax88178_info,
1268 }, {
1269         // corega FEther USB2-TX
1270         USB_DEVICE (0x07aa, 0x0017),
1271         .driver_info =  (unsigned long) &ax8817x_info,
1272 }, {
1273         // Surecom EP-1427X-2
1274         USB_DEVICE (0x1189, 0x0893),
1275         .driver_info = (unsigned long) &ax8817x_info,
1276 }, {
1277         // goodway corp usb gwusb2e
1278         USB_DEVICE (0x1631, 0x6200),
1279         .driver_info = (unsigned long) &ax8817x_info,
1280 }, {
1281         // JVC MP-PRX1 Port Replicator
1282         USB_DEVICE (0x04f1, 0x3008),
1283         .driver_info = (unsigned long) &ax8817x_info,
1284 }, {
1285         // Lenovo U2L100P 10/100
1286         USB_DEVICE (0x17ef, 0x7203),
1287         .driver_info = (unsigned long)&ax88772b_info,
1288 }, {
1289         // ASIX AX88772B 10/100
1290         USB_DEVICE (0x0b95, 0x772b),
1291         .driver_info = (unsigned long) &ax88772b_info,
1292 }, {
1293         // ASIX AX88772 10/100
1294         USB_DEVICE (0x0b95, 0x7720),
1295         .driver_info = (unsigned long) &ax88772_info,
1296 }, {
1297         // ASIX AX88178 10/100/1000
1298         USB_DEVICE (0x0b95, 0x1780),
1299         .driver_info = (unsigned long) &ax88178_info,
1300 }, {
1301         // Logitec LAN-GTJ/U2A
1302         USB_DEVICE (0x0789, 0x0160),
1303         .driver_info = (unsigned long) &ax88178_info,
1304 }, {
1305         // Linksys USB200M Rev 2
1306         USB_DEVICE (0x13b1, 0x0018),
1307         .driver_info = (unsigned long) &ax88772_info,
1308 }, {
1309         // 0Q0 cable ethernet
1310         USB_DEVICE (0x1557, 0x7720),
1311         .driver_info = (unsigned long) &ax88772_info,
1312 }, {
1313         // DLink DUB-E100 H/W Ver B1
1314         USB_DEVICE (0x07d1, 0x3c05),
1315         .driver_info = (unsigned long) &ax88772_info,
1316 }, {
1317         // DLink DUB-E100 H/W Ver B1 Alternate
1318         USB_DEVICE (0x2001, 0x3c05),
1319         .driver_info = (unsigned long) &ax88772_info,
1320 }, {
1321        // DLink DUB-E100 H/W Ver C1
1322        USB_DEVICE (0x2001, 0x1a02),
1323        .driver_info = (unsigned long) &ax88772_info,
1324 }, {
1325         // Linksys USB1000
1326         USB_DEVICE (0x1737, 0x0039),
1327         .driver_info = (unsigned long) &ax88178_info,
1328 }, {
1329         // IO-DATA ETG-US2
1330         USB_DEVICE (0x04bb, 0x0930),
1331         .driver_info = (unsigned long) &ax88178_info,
1332 }, {
1333         // Belkin F5D5055
1334         USB_DEVICE(0x050d, 0x5055),
1335         .driver_info = (unsigned long) &ax88178_info,
1336 }, {
1337         // Apple USB Ethernet Adapter
1338         USB_DEVICE(0x05ac, 0x1402),
1339         .driver_info = (unsigned long) &ax88772_info,
1340 }, {
1341         // Cables-to-Go USB Ethernet Adapter
1342         USB_DEVICE(0x0b95, 0x772a),
1343         .driver_info = (unsigned long) &ax88772_info,
1344 }, {
1345         // ABOCOM for pci
1346         USB_DEVICE(0x14ea, 0xab11),
1347         .driver_info = (unsigned long) &ax88178_info,
1348 }, {
1349         // ASIX 88772a
1350         USB_DEVICE(0x0db0, 0xa877),
1351         .driver_info = (unsigned long) &ax88772_info,
1352 }, {
1353         // Asus USB Ethernet Adapter
1354         USB_DEVICE (0x0b95, 0x7e2b),
1355         .driver_info = (unsigned long)&ax88772b_info,
1356 }, {
1357         /* ASIX 88172a demo board */
1358         USB_DEVICE(0x0b95, 0x172a),
1359         .driver_info = (unsigned long) &ax88172a_info,
1360 }, {
1361         /*
1362          * USBLINK HG20F9 "USB 2.0 LAN"
1363          * Appears to have gazumped Linksys's manufacturer ID but
1364          * doesn't (yet) conflict with any known Linksys product.
1365          */
1366         USB_DEVICE(0x066b, 0x20f9),
1367         .driver_info = (unsigned long) &hg20f9_info,
1368 },
1369         { },            // END
1370 };
1371 MODULE_DEVICE_TABLE(usb, products);
1372
1373 static struct usb_driver asix_driver = {
1374         .name =         DRIVER_NAME,
1375         .id_table =     products,
1376         .probe =        usbnet_probe,
1377         .suspend =      asix_suspend,
1378         .resume =       asix_resume,
1379         .reset_resume = asix_resume,
1380         .disconnect =   usbnet_disconnect,
1381         .supports_autosuspend = 1,
1382         .disable_hub_initiated_lpm = 1,
1383 };
1384
1385 module_usb_driver(asix_driver);
1386
1387 MODULE_AUTHOR("David Hollis");
1388 MODULE_VERSION(DRIVER_VERSION);
1389 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1390 MODULE_LICENSE("GPL");
1391