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Linux 4.1.16
[linux/fpc-iii.git] / drivers / net / usb / asix_devices.c
blob1173a24feda38c3af236c84acaf8982f39c0e0b1
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 struct ax88172_int_data {
39 __le16 res1;
40 u8 link;
41 __le16 res2;
42 u8 status;
43 __le16 res3;
44 } __packed;
45
46 static void asix_status(struct usbnet *dev, struct urb *urb)
47 {
48 struct ax88172_int_data *event;
49 int link;
50
51 if (urb->actual_length < 8)
52 return;
53
54 event = urb->transfer_buffer;
55 link = event->link & 0x01;
56 if (netif_carrier_ok(dev->net) != link) {
57 usbnet_link_change(dev, link, 1);
58 netdev_dbg(dev->net, "Link Status is: %d\n", link);
59 }
60 }
61
62 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
63 {
64 if (is_valid_ether_addr(addr)) {
65 memcpy(dev->net->dev_addr, addr, ETH_ALEN);
66 } else {
67 netdev_info(dev->net, "invalid hw address, using random\n");
68 eth_hw_addr_random(dev->net);
69 }
70 }
71
72 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
73 static u32 asix_get_phyid(struct usbnet *dev)
74 {
75 int phy_reg;
76 u32 phy_id;
77 int i;
78
79 /* Poll for the rare case the FW or phy isn't ready yet. */
80 for (i = 0; i < 100; i++) {
81 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
82 if (phy_reg != 0 && phy_reg != 0xFFFF)
83 break;
84 mdelay(1);
85 }
86
87 if (phy_reg <= 0 || phy_reg == 0xFFFF)
88 return 0;
89
90 phy_id = (phy_reg & 0xffff) << 16;
91
92 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
93 if (phy_reg < 0)
94 return 0;
95
96 phy_id |= (phy_reg & 0xffff);
97
98 return phy_id;
99 }
100
101 static u32 asix_get_link(struct net_device *net)
102 {
103 struct usbnet *dev = netdev_priv(net);
104
105 return mii_link_ok(&dev->mii);
106 }
107
108 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
109 {
110 struct usbnet *dev = netdev_priv(net);
111
112 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
113 }
114
115 /* We need to override some ethtool_ops so we require our
116 own structure so we don't interfere with other usbnet
117 devices that may be connected at the same time. */
118 static const struct ethtool_ops ax88172_ethtool_ops = {
119 .get_drvinfo = asix_get_drvinfo,
120 .get_link = asix_get_link,
121 .get_msglevel = usbnet_get_msglevel,
122 .set_msglevel = usbnet_set_msglevel,
123 .get_wol = asix_get_wol,
124 .set_wol = asix_set_wol,
125 .get_eeprom_len = asix_get_eeprom_len,
126 .get_eeprom = asix_get_eeprom,
127 .set_eeprom = asix_set_eeprom,
128 .get_settings = usbnet_get_settings,
129 .set_settings = usbnet_set_settings,
130 .nway_reset = usbnet_nway_reset,
131 };
132
133 static void ax88172_set_multicast(struct net_device *net)
134 {
135 struct usbnet *dev = netdev_priv(net);
136 struct asix_data *data = (struct asix_data *)&dev->data;
137 u8 rx_ctl = 0x8c;
138
139 if (net->flags & IFF_PROMISC) {
140 rx_ctl |= 0x01;
141 } else if (net->flags & IFF_ALLMULTI ||
142 netdev_mc_count(net) > AX_MAX_MCAST) {
143 rx_ctl |= 0x02;
144 } else if (netdev_mc_empty(net)) {
145 /* just broadcast and directed */
146 } else {
147 /* We use the 20 byte dev->data
148 * for our 8 byte filter buffer
149 * to avoid allocating memory that
150 * is tricky to free later */
151 struct netdev_hw_addr *ha;
152 u32 crc_bits;
153
154 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
155
156 /* Build the multicast hash filter. */
157 netdev_for_each_mc_addr(ha, net) {
158 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
159 data->multi_filter[crc_bits >> 3] |=
160 1 << (crc_bits & 7);
161 }
162
163 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
164 AX_MCAST_FILTER_SIZE, data->multi_filter);
165
166 rx_ctl |= 0x10;
167 }
168
169 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
170 }
171
172 static int ax88172_link_reset(struct usbnet *dev)
173 {
174 u8 mode;
175 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
176
177 mii_check_media(&dev->mii, 1, 1);
178 mii_ethtool_gset(&dev->mii, &ecmd);
179 mode = AX88172_MEDIUM_DEFAULT;
180
181 if (ecmd.duplex != DUPLEX_FULL)
182 mode |= ~AX88172_MEDIUM_FD;
183
184 netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
185 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
186
187 asix_write_medium_mode(dev, mode);
188
189 return 0;
190 }
191
192 static const struct net_device_ops ax88172_netdev_ops = {
193 .ndo_open = usbnet_open,
194 .ndo_stop = usbnet_stop,
195 .ndo_start_xmit = usbnet_start_xmit,
196 .ndo_tx_timeout = usbnet_tx_timeout,
197 .ndo_change_mtu = usbnet_change_mtu,
198 .ndo_set_mac_address = eth_mac_addr,
199 .ndo_validate_addr = eth_validate_addr,
200 .ndo_do_ioctl = asix_ioctl,
201 .ndo_set_rx_mode = ax88172_set_multicast,
202 };
203
204 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
205 {
206 int ret = 0;
207 u8 buf[ETH_ALEN];
208 int i;
209 unsigned long gpio_bits = dev->driver_info->data;
210
211 usbnet_get_endpoints(dev,intf);
212
213 /* Toggle the GPIOs in a manufacturer/model specific way */
214 for (i = 2; i >= 0; i--) {
215 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
216 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
217 if (ret < 0)
218 goto out;
219 msleep(5);
220 }
221
222 ret = asix_write_rx_ctl(dev, 0x80);
223 if (ret < 0)
224 goto out;
225
226 /* Get the MAC address */
227 ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
228 if (ret < 0) {
229 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
230 ret);
231 goto out;
232 }
233
234 asix_set_netdev_dev_addr(dev, buf);
235
236 /* Initialize MII structure */
237 dev->mii.dev = dev->net;
238 dev->mii.mdio_read = asix_mdio_read;
239 dev->mii.mdio_write = asix_mdio_write;
240 dev->mii.phy_id_mask = 0x3f;
241 dev->mii.reg_num_mask = 0x1f;
242 dev->mii.phy_id = asix_get_phy_addr(dev);
243
244 dev->net->netdev_ops = &ax88172_netdev_ops;
245 dev->net->ethtool_ops = &ax88172_ethtool_ops;
246 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
247 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
248
249 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
250 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
251 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
252 mii_nway_restart(&dev->mii);
253
254 return 0;
255
256 out:
257 return ret;
258 }
259
260 static const struct ethtool_ops ax88772_ethtool_ops = {
261 .get_drvinfo = asix_get_drvinfo,
262 .get_link = asix_get_link,
263 .get_msglevel = usbnet_get_msglevel,
264 .set_msglevel = usbnet_set_msglevel,
265 .get_wol = asix_get_wol,
266 .set_wol = asix_set_wol,
267 .get_eeprom_len = asix_get_eeprom_len,
268 .get_eeprom = asix_get_eeprom,
269 .set_eeprom = asix_set_eeprom,
270 .get_settings = usbnet_get_settings,
271 .set_settings = usbnet_set_settings,
272 .nway_reset = usbnet_nway_reset,
273 };
274
275 static int ax88772_link_reset(struct usbnet *dev)
276 {
277 u16 mode;
278 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
279
280 mii_check_media(&dev->mii, 1, 1);
281 mii_ethtool_gset(&dev->mii, &ecmd);
282 mode = AX88772_MEDIUM_DEFAULT;
283
284 if (ethtool_cmd_speed(&ecmd) != SPEED_100)
285 mode &= ~AX_MEDIUM_PS;
286
287 if (ecmd.duplex != DUPLEX_FULL)
288 mode &= ~AX_MEDIUM_FD;
289
290 netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
291 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
292
293 asix_write_medium_mode(dev, mode);
294
295 return 0;
296 }
297
298 static int ax88772_reset(struct usbnet *dev)
299 {
300 struct asix_data *data = (struct asix_data *)&dev->data;
301 int ret, embd_phy;
302 u16 rx_ctl;
303
304 ret = asix_write_gpio(dev,
305 AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
306 if (ret < 0)
307 goto out;
308
309 embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
310
311 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
312 if (ret < 0) {
313 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
314 goto out;
315 }
316
317 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
318 if (ret < 0)
319 goto out;
320
321 msleep(150);
322
323 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
324 if (ret < 0)
325 goto out;
326
327 msleep(150);
328
329 if (embd_phy) {
330 ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
331 if (ret < 0)
332 goto out;
333 } else {
334 ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
335 if (ret < 0)
336 goto out;
337 }
338
339 msleep(150);
340 rx_ctl = asix_read_rx_ctl(dev);
341 netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl);
342 ret = asix_write_rx_ctl(dev, 0x0000);
343 if (ret < 0)
344 goto out;
345
346 rx_ctl = asix_read_rx_ctl(dev);
347 netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
348
349 ret = asix_sw_reset(dev, AX_SWRESET_PRL);
350 if (ret < 0)
351 goto out;
352
353 msleep(150);
354
355 ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
356 if (ret < 0)
357 goto out;
358
359 msleep(150);
360
361 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
362 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
363 ADVERTISE_ALL | ADVERTISE_CSMA);
364 mii_nway_restart(&dev->mii);
365
366 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
367 if (ret < 0)
368 goto out;
369
370 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
371 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
372 AX88772_IPG2_DEFAULT, 0, NULL);
373 if (ret < 0) {
374 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
375 goto out;
376 }
377
378 /* Rewrite MAC address */
379 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
380 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
381 data->mac_addr);
382 if (ret < 0)
383 goto out;
384
385 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
386 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
387 if (ret < 0)
388 goto out;
389
390 rx_ctl = asix_read_rx_ctl(dev);
391 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
392 rx_ctl);
393
394 rx_ctl = asix_read_medium_status(dev);
395 netdev_dbg(dev->net,
396 "Medium Status is 0x%04x after all initializations\n",
397 rx_ctl);
398
399 return 0;
400
401 out:
402 return ret;
403
404 }
405
406 static const struct net_device_ops ax88772_netdev_ops = {
407 .ndo_open = usbnet_open,
408 .ndo_stop = usbnet_stop,
409 .ndo_start_xmit = usbnet_start_xmit,
410 .ndo_tx_timeout = usbnet_tx_timeout,
411 .ndo_change_mtu = usbnet_change_mtu,
412 .ndo_set_mac_address = asix_set_mac_address,
413 .ndo_validate_addr = eth_validate_addr,
414 .ndo_do_ioctl = asix_ioctl,
415 .ndo_set_rx_mode = asix_set_multicast,
416 };
417
418 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
419 {
420 int ret, embd_phy, i;
421 u8 buf[ETH_ALEN];
422 u32 phyid;
423
424 usbnet_get_endpoints(dev,intf);
425
426 /* Get the MAC address */
427 if (dev->driver_info->data & FLAG_EEPROM_MAC) {
428 for (i = 0; i < (ETH_ALEN >> 1); i++) {
429 ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
430 0, 2, buf + i * 2);
431 if (ret < 0)
432 break;
433 }
434 } else {
435 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
436 0, 0, ETH_ALEN, buf);
437 }
438
439 if (ret < 0) {
440 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
441 return ret;
442 }
443
444 asix_set_netdev_dev_addr(dev, buf);
445
446 /* Initialize MII structure */
447 dev->mii.dev = dev->net;
448 dev->mii.mdio_read = asix_mdio_read;
449 dev->mii.mdio_write = asix_mdio_write;
450 dev->mii.phy_id_mask = 0x1f;
451 dev->mii.reg_num_mask = 0x1f;
452 dev->mii.phy_id = asix_get_phy_addr(dev);
453
454 dev->net->netdev_ops = &ax88772_netdev_ops;
455 dev->net->ethtool_ops = &ax88772_ethtool_ops;
456 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
457 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
458
459 embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
460
461 /* Reset the PHY to normal operation mode */
462 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
463 if (ret < 0) {
464 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
465 return ret;
466 }
467
468 ax88772_reset(dev);
469
470 /* Read PHYID register *AFTER* the PHY was reset properly */
471 phyid = asix_get_phyid(dev);
472 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
473
474 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
475 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
476 /* hard_mtu is still the default - the device does not support
477 jumbo eth frames */
478 dev->rx_urb_size = 2048;
479 }
480
481 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
482 if (!dev->driver_priv)
483 return -ENOMEM;
484
485 return 0;
486 }
487
488 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
489 {
490 kfree(dev->driver_priv);
491 }
492
493 static const struct ethtool_ops ax88178_ethtool_ops = {
494 .get_drvinfo = asix_get_drvinfo,
495 .get_link = asix_get_link,
496 .get_msglevel = usbnet_get_msglevel,
497 .set_msglevel = usbnet_set_msglevel,
498 .get_wol = asix_get_wol,
499 .set_wol = asix_set_wol,
500 .get_eeprom_len = asix_get_eeprom_len,
501 .get_eeprom = asix_get_eeprom,
502 .set_eeprom = asix_set_eeprom,
503 .get_settings = usbnet_get_settings,
504 .set_settings = usbnet_set_settings,
505 .nway_reset = usbnet_nway_reset,
506 };
507
508 static int marvell_phy_init(struct usbnet *dev)
509 {
510 struct asix_data *data = (struct asix_data *)&dev->data;
511 u16 reg;
512
513 netdev_dbg(dev->net, "marvell_phy_init()\n");
514
515 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
516 netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
517
518 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
519 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
520
521 if (data->ledmode) {
522 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
523 MII_MARVELL_LED_CTRL);
524 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
525
526 reg &= 0xf8ff;
527 reg |= (1 + 0x0100);
528 asix_mdio_write(dev->net, dev->mii.phy_id,
529 MII_MARVELL_LED_CTRL, reg);
530
531 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
532 MII_MARVELL_LED_CTRL);
533 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
534 reg &= 0xfc0f;
535 }
536
537 return 0;
538 }
539
540 static int rtl8211cl_phy_init(struct usbnet *dev)
541 {
542 struct asix_data *data = (struct asix_data *)&dev->data;
543
544 netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
545
546 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
547 asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
548 asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
549 asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
550 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
551
552 if (data->ledmode == 12) {
553 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
554 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
555 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
556 }
557
558 return 0;
559 }
560
561 static int marvell_led_status(struct usbnet *dev, u16 speed)
562 {
563 u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
564
565 netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
566
567 /* Clear out the center LED bits - 0x03F0 */
568 reg &= 0xfc0f;
569
570 switch (speed) {
571 case SPEED_1000:
572 reg |= 0x03e0;
573 break;
574 case SPEED_100:
575 reg |= 0x03b0;
576 break;
577 default:
578 reg |= 0x02f0;
579 }
580
581 netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
582 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
583
584 return 0;
585 }
586
587 static int ax88178_reset(struct usbnet *dev)
588 {
589 struct asix_data *data = (struct asix_data *)&dev->data;
590 int ret;
591 __le16 eeprom;
592 u8 status;
593 int gpio0 = 0;
594 u32 phyid;
595
596 asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
597 netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
598
599 asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
600 asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
601 asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
602
603 netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
604
605 if (eeprom == cpu_to_le16(0xffff)) {
606 data->phymode = PHY_MODE_MARVELL;
607 data->ledmode = 0;
608 gpio0 = 1;
609 } else {
610 data->phymode = le16_to_cpu(eeprom) & 0x7F;
611 data->ledmode = le16_to_cpu(eeprom) >> 8;
612 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
613 }
614 netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
615
616 /* Power up external GigaPHY through AX88178 GPIO pin */
617 asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
618 if ((le16_to_cpu(eeprom) >> 8) != 1) {
619 asix_write_gpio(dev, 0x003c, 30);
620 asix_write_gpio(dev, 0x001c, 300);
621 asix_write_gpio(dev, 0x003c, 30);
622 } else {
623 netdev_dbg(dev->net, "gpio phymode == 1 path\n");
624 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
625 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
626 }
627
628 /* Read PHYID register *AFTER* powering up PHY */
629 phyid = asix_get_phyid(dev);
630 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
631
632 /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
633 asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
634
635 asix_sw_reset(dev, 0);
636 msleep(150);
637
638 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
639 msleep(150);
640
641 asix_write_rx_ctl(dev, 0);
642
643 if (data->phymode == PHY_MODE_MARVELL) {
644 marvell_phy_init(dev);
645 msleep(60);
646 } else if (data->phymode == PHY_MODE_RTL8211CL)
647 rtl8211cl_phy_init(dev);
648
649 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
650 BMCR_RESET | BMCR_ANENABLE);
651 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
652 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
653 asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
654 ADVERTISE_1000FULL);
655
656 mii_nway_restart(&dev->mii);
657
658 ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
659 if (ret < 0)
660 return ret;
661
662 /* Rewrite MAC address */
663 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
664 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
665 data->mac_addr);
666 if (ret < 0)
667 return ret;
668
669 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
670 if (ret < 0)
671 return ret;
672
673 return 0;
674 }
675
676 static int ax88178_link_reset(struct usbnet *dev)
677 {
678 u16 mode;
679 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
680 struct asix_data *data = (struct asix_data *)&dev->data;
681 u32 speed;
682
683 netdev_dbg(dev->net, "ax88178_link_reset()\n");
684
685 mii_check_media(&dev->mii, 1, 1);
686 mii_ethtool_gset(&dev->mii, &ecmd);
687 mode = AX88178_MEDIUM_DEFAULT;
688 speed = ethtool_cmd_speed(&ecmd);
689
690 if (speed == SPEED_1000)
691 mode |= AX_MEDIUM_GM;
692 else if (speed == SPEED_100)
693 mode |= AX_MEDIUM_PS;
694 else
695 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
696
697 mode |= AX_MEDIUM_ENCK;
698
699 if (ecmd.duplex == DUPLEX_FULL)
700 mode |= AX_MEDIUM_FD;
701 else
702 mode &= ~AX_MEDIUM_FD;
703
704 netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
705 speed, ecmd.duplex, mode);
706
707 asix_write_medium_mode(dev, mode);
708
709 if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
710 marvell_led_status(dev, speed);
711
712 return 0;
713 }
714
715 static void ax88178_set_mfb(struct usbnet *dev)
716 {
717 u16 mfb = AX_RX_CTL_MFB_16384;
718 u16 rxctl;
719 u16 medium;
720 int old_rx_urb_size = dev->rx_urb_size;
721
722 if (dev->hard_mtu < 2048) {
723 dev->rx_urb_size = 2048;
724 mfb = AX_RX_CTL_MFB_2048;
725 } else if (dev->hard_mtu < 4096) {
726 dev->rx_urb_size = 4096;
727 mfb = AX_RX_CTL_MFB_4096;
728 } else if (dev->hard_mtu < 8192) {
729 dev->rx_urb_size = 8192;
730 mfb = AX_RX_CTL_MFB_8192;
731 } else if (dev->hard_mtu < 16384) {
732 dev->rx_urb_size = 16384;
733 mfb = AX_RX_CTL_MFB_16384;
734 }
735
736 rxctl = asix_read_rx_ctl(dev);
737 asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
738
739 medium = asix_read_medium_status(dev);
740 if (dev->net->mtu > 1500)
741 medium |= AX_MEDIUM_JFE;
742 else
743 medium &= ~AX_MEDIUM_JFE;
744 asix_write_medium_mode(dev, medium);
745
746 if (dev->rx_urb_size > old_rx_urb_size)
747 usbnet_unlink_rx_urbs(dev);
748 }
749
750 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
751 {
752 struct usbnet *dev = netdev_priv(net);
753 int ll_mtu = new_mtu + net->hard_header_len + 4;
754
755 netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
756
757 if (new_mtu <= 0 || ll_mtu > 16384)
758 return -EINVAL;
759
760 if ((ll_mtu % dev->maxpacket) == 0)
761 return -EDOM;
762
763 net->mtu = new_mtu;
764 dev->hard_mtu = net->mtu + net->hard_header_len;
765 ax88178_set_mfb(dev);
766
767 /* max qlen depend on hard_mtu and rx_urb_size */
768 usbnet_update_max_qlen(dev);
769
770 return 0;
771 }
772
773 static const struct net_device_ops ax88178_netdev_ops = {
774 .ndo_open = usbnet_open,
775 .ndo_stop = usbnet_stop,
776 .ndo_start_xmit = usbnet_start_xmit,
777 .ndo_tx_timeout = usbnet_tx_timeout,
778 .ndo_set_mac_address = asix_set_mac_address,
779 .ndo_validate_addr = eth_validate_addr,
780 .ndo_set_rx_mode = asix_set_multicast,
781 .ndo_do_ioctl = asix_ioctl,
782 .ndo_change_mtu = ax88178_change_mtu,
783 };
784
785 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
786 {
787 int ret;
788 u8 buf[ETH_ALEN];
789
790 usbnet_get_endpoints(dev,intf);
791
792 /* Get the MAC address */
793 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
794 if (ret < 0) {
795 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
796 return ret;
797 }
798
799 asix_set_netdev_dev_addr(dev, buf);
800
801 /* Initialize MII structure */
802 dev->mii.dev = dev->net;
803 dev->mii.mdio_read = asix_mdio_read;
804 dev->mii.mdio_write = asix_mdio_write;
805 dev->mii.phy_id_mask = 0x1f;
806 dev->mii.reg_num_mask = 0xff;
807 dev->mii.supports_gmii = 1;
808 dev->mii.phy_id = asix_get_phy_addr(dev);
809
810 dev->net->netdev_ops = &ax88178_netdev_ops;
811 dev->net->ethtool_ops = &ax88178_ethtool_ops;
812
813 /* Blink LEDS so users know driver saw dongle */
814 asix_sw_reset(dev, 0);
815 msleep(150);
816
817 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
818 msleep(150);
819
820 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
821 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
822 /* hard_mtu is still the default - the device does not support
823 jumbo eth frames */
824 dev->rx_urb_size = 2048;
825 }
826
827 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
828 if (!dev->driver_priv)
829 return -ENOMEM;
830
831 return 0;
832 }
833
834 static const struct driver_info ax8817x_info = {
835 .description = "ASIX AX8817x USB 2.0 Ethernet",
836 .bind = ax88172_bind,
837 .status = asix_status,
838 .link_reset = ax88172_link_reset,
839 .reset = ax88172_link_reset,
840 .flags = FLAG_ETHER | FLAG_LINK_INTR,
841 .data = 0x00130103,
842 };
843
844 static const struct driver_info dlink_dub_e100_info = {
845 .description = "DLink DUB-E100 USB Ethernet",
846 .bind = ax88172_bind,
847 .status = asix_status,
848 .link_reset = ax88172_link_reset,
849 .reset = ax88172_link_reset,
850 .flags = FLAG_ETHER | FLAG_LINK_INTR,
851 .data = 0x009f9d9f,
852 };
853
854 static const struct driver_info netgear_fa120_info = {
855 .description = "Netgear FA-120 USB Ethernet",
856 .bind = ax88172_bind,
857 .status = asix_status,
858 .link_reset = ax88172_link_reset,
859 .reset = ax88172_link_reset,
860 .flags = FLAG_ETHER | FLAG_LINK_INTR,
861 .data = 0x00130103,
862 };
863
864 static const struct driver_info hawking_uf200_info = {
865 .description = "Hawking UF200 USB Ethernet",
866 .bind = ax88172_bind,
867 .status = asix_status,
868 .link_reset = ax88172_link_reset,
869 .reset = ax88172_link_reset,
870 .flags = FLAG_ETHER | FLAG_LINK_INTR,
871 .data = 0x001f1d1f,
872 };
873
874 static const struct driver_info ax88772_info = {
875 .description = "ASIX AX88772 USB 2.0 Ethernet",
876 .bind = ax88772_bind,
877 .unbind = ax88772_unbind,
878 .status = asix_status,
879 .link_reset = ax88772_link_reset,
880 .reset = ax88772_link_reset,
881 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
882 .rx_fixup = asix_rx_fixup_common,
883 .tx_fixup = asix_tx_fixup,
884 };
885
886 static const struct driver_info ax88772b_info = {
887 .description = "ASIX AX88772B USB 2.0 Ethernet",
888 .bind = ax88772_bind,
889 .unbind = ax88772_unbind,
890 .status = asix_status,
891 .link_reset = ax88772_link_reset,
892 .reset = ax88772_reset,
893 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
894 FLAG_MULTI_PACKET,
895 .rx_fixup = asix_rx_fixup_common,
896 .tx_fixup = asix_tx_fixup,
897 .data = FLAG_EEPROM_MAC,
898 };
899
900 static const struct driver_info ax88178_info = {
901 .description = "ASIX AX88178 USB 2.0 Ethernet",
902 .bind = ax88178_bind,
903 .unbind = ax88772_unbind,
904 .status = asix_status,
905 .link_reset = ax88178_link_reset,
906 .reset = ax88178_reset,
907 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
908 FLAG_MULTI_PACKET,
909 .rx_fixup = asix_rx_fixup_common,
910 .tx_fixup = asix_tx_fixup,
911 };
912
913 /*
914 * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
915 * no-name packaging.
916 * USB device strings are:
917 * 1: Manufacturer: USBLINK
918 * 2: Product: HG20F9 USB2.0
919 * 3: Serial: 000003
920 * Appears to be compatible with Asix 88772B.
921 */
922 static const struct driver_info hg20f9_info = {
923 .description = "HG20F9 USB 2.0 Ethernet",
924 .bind = ax88772_bind,
925 .unbind = ax88772_unbind,
926 .status = asix_status,
927 .link_reset = ax88772_link_reset,
928 .reset = ax88772_reset,
929 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
930 FLAG_MULTI_PACKET,
931 .rx_fixup = asix_rx_fixup_common,
932 .tx_fixup = asix_tx_fixup,
933 .data = FLAG_EEPROM_MAC,
934 };
935
936 static const struct usb_device_id products [] = {
937 {
938 // Linksys USB200M
939 USB_DEVICE (0x077b, 0x2226),
940 .driver_info = (unsigned long) &ax8817x_info,
941 }, {
942 // Netgear FA120
943 USB_DEVICE (0x0846, 0x1040),
944 .driver_info = (unsigned long) &netgear_fa120_info,
945 }, {
946 // DLink DUB-E100
947 USB_DEVICE (0x2001, 0x1a00),
948 .driver_info = (unsigned long) &dlink_dub_e100_info,
949 }, {
950 // Intellinet, ST Lab USB Ethernet
951 USB_DEVICE (0x0b95, 0x1720),
952 .driver_info = (unsigned long) &ax8817x_info,
953 }, {
954 // Hawking UF200, TrendNet TU2-ET100
955 USB_DEVICE (0x07b8, 0x420a),
956 .driver_info = (unsigned long) &hawking_uf200_info,
957 }, {
958 // Billionton Systems, USB2AR
959 USB_DEVICE (0x08dd, 0x90ff),
960 .driver_info = (unsigned long) &ax8817x_info,
961 }, {
962 // ATEN UC210T
963 USB_DEVICE (0x0557, 0x2009),
964 .driver_info = (unsigned long) &ax8817x_info,
965 }, {
966 // Buffalo LUA-U2-KTX
967 USB_DEVICE (0x0411, 0x003d),
968 .driver_info = (unsigned long) &ax8817x_info,
969 }, {
970 // Buffalo LUA-U2-GT 10/100/1000
971 USB_DEVICE (0x0411, 0x006e),
972 .driver_info = (unsigned long) &ax88178_info,
973 }, {
974 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
975 USB_DEVICE (0x6189, 0x182d),
976 .driver_info = (unsigned long) &ax8817x_info,
977 }, {
978 // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
979 USB_DEVICE (0x0df6, 0x0056),
980 .driver_info = (unsigned long) &ax88178_info,
981 }, {
982 // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
983 USB_DEVICE (0x0df6, 0x061c),
984 .driver_info = (unsigned long) &ax88178_info,
985 }, {
986 // corega FEther USB2-TX
987 USB_DEVICE (0x07aa, 0x0017),
988 .driver_info = (unsigned long) &ax8817x_info,
989 }, {
990 // Surecom EP-1427X-2
991 USB_DEVICE (0x1189, 0x0893),
992 .driver_info = (unsigned long) &ax8817x_info,
993 }, {
994 // goodway corp usb gwusb2e
995 USB_DEVICE (0x1631, 0x6200),
996 .driver_info = (unsigned long) &ax8817x_info,
997 }, {
998 // JVC MP-PRX1 Port Replicator
999 USB_DEVICE (0x04f1, 0x3008),
1000 .driver_info = (unsigned long) &ax8817x_info,
1001 }, {
1002 // Lenovo U2L100P 10/100
1003 USB_DEVICE (0x17ef, 0x7203),
1004 .driver_info = (unsigned long) &ax88772_info,
1005 }, {
1006 // ASIX AX88772B 10/100
1007 USB_DEVICE (0x0b95, 0x772b),
1008 .driver_info = (unsigned long) &ax88772b_info,
1009 }, {
1010 // ASIX AX88772 10/100
1011 USB_DEVICE (0x0b95, 0x7720),
1012 .driver_info = (unsigned long) &ax88772_info,
1013 }, {
1014 // ASIX AX88178 10/100/1000
1015 USB_DEVICE (0x0b95, 0x1780),
1016 .driver_info = (unsigned long) &ax88178_info,
1017 }, {
1018 // Logitec LAN-GTJ/U2A
1019 USB_DEVICE (0x0789, 0x0160),
1020 .driver_info = (unsigned long) &ax88178_info,
1021 }, {
1022 // Linksys USB200M Rev 2
1023 USB_DEVICE (0x13b1, 0x0018),
1024 .driver_info = (unsigned long) &ax88772_info,
1025 }, {
1026 // 0Q0 cable ethernet
1027 USB_DEVICE (0x1557, 0x7720),
1028 .driver_info = (unsigned long) &ax88772_info,
1029 }, {
1030 // DLink DUB-E100 H/W Ver B1
1031 USB_DEVICE (0x07d1, 0x3c05),
1032 .driver_info = (unsigned long) &ax88772_info,
1033 }, {
1034 // DLink DUB-E100 H/W Ver B1 Alternate
1035 USB_DEVICE (0x2001, 0x3c05),
1036 .driver_info = (unsigned long) &ax88772_info,
1037 }, {
1038 // DLink DUB-E100 H/W Ver C1
1039 USB_DEVICE (0x2001, 0x1a02),
1040 .driver_info = (unsigned long) &ax88772_info,
1041 }, {
1042 // Linksys USB1000
1043 USB_DEVICE (0x1737, 0x0039),
1044 .driver_info = (unsigned long) &ax88178_info,
1045 }, {
1046 // IO-DATA ETG-US2
1047 USB_DEVICE (0x04bb, 0x0930),
1048 .driver_info = (unsigned long) &ax88178_info,
1049 }, {
1050 // Belkin F5D5055
1051 USB_DEVICE(0x050d, 0x5055),
1052 .driver_info = (unsigned long) &ax88178_info,
1053 }, {
1054 // Apple USB Ethernet Adapter
1055 USB_DEVICE(0x05ac, 0x1402),
1056 .driver_info = (unsigned long) &ax88772_info,
1057 }, {
1058 // Cables-to-Go USB Ethernet Adapter
1059 USB_DEVICE(0x0b95, 0x772a),
1060 .driver_info = (unsigned long) &ax88772_info,
1061 }, {
1062 // ABOCOM for pci
1063 USB_DEVICE(0x14ea, 0xab11),
1064 .driver_info = (unsigned long) &ax88178_info,
1065 }, {
1066 // ASIX 88772a
1067 USB_DEVICE(0x0db0, 0xa877),
1068 .driver_info = (unsigned long) &ax88772_info,
1069 }, {
1070 // Asus USB Ethernet Adapter
1071 USB_DEVICE (0x0b95, 0x7e2b),
1072 .driver_info = (unsigned long) &ax88772_info,
1073 }, {
1074 /* ASIX 88172a demo board */
1075 USB_DEVICE(0x0b95, 0x172a),
1076 .driver_info = (unsigned long) &ax88172a_info,
1077 }, {
1078 /*
1079 * USBLINK HG20F9 "USB 2.0 LAN"
1080 * Appears to have gazumped Linksys's manufacturer ID but
1081 * doesn't (yet) conflict with any known Linksys product.
1082 */
1083 USB_DEVICE(0x066b, 0x20f9),
1084 .driver_info = (unsigned long) &hg20f9_info,
1085 },
1086 { }, // END
1087 };
1088 MODULE_DEVICE_TABLE(usb, products);
1089
1090 static struct usb_driver asix_driver = {
1091 .name = DRIVER_NAME,
1092 .id_table = products,
1093 .probe = usbnet_probe,
1094 .suspend = usbnet_suspend,
1095 .resume = usbnet_resume,
1096 .disconnect = usbnet_disconnect,
1097 .supports_autosuspend = 1,
1098 .disable_hub_initiated_lpm = 1,
1099 };
1100
1101 module_usb_driver(asix_driver);
1102
1103 MODULE_AUTHOR("David Hollis");
1104 MODULE_VERSION(DRIVER_VERSION);
1105 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1106 MODULE_LICENSE("GPL");
1107
Linux with added FPC-III support