blob: 5cabefc2349438f26cddde0022d52acf6e967116 [file] [log] [blame]
David Brownell2e55cc72005-08-31 09:53:10 -07001/*
2 * ASIX AX8817X based USB 2.0 Ethernet Devices
David Hollis933a27d2006-07-29 10:12:50 -04003 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
David Brownell2e55cc72005-08-31 09:53:10 -07004 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
David Hollis933a27d2006-07-29 10:12:50 -04005 * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
David Brownell2e55cc72005-08-31 09:53:10 -07006 * 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
Jeff Kirsher9cb00072013-12-06 06:28:46 -080019 * along with this program; if not, see <http://www.gnu.org/licenses/>.
David Brownell2e55cc72005-08-31 09:53:10 -070020 */
21
Christian Riesch607740b2012-07-13 05:26:30 +000022#include "asix.h"
David Hollis933a27d2006-07-29 10:12:50 -040023
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
David Brownell2e55cc72005-08-31 09:53:10 -070035
Grant Grundler34861402011-11-15 07:12:39 +000036#define PHY_MODE_RTL8211CL 0x000C
Grant Grundler610d8852011-10-04 09:55:17 +000037
David Brownell2e55cc72005-08-31 09:53:10 -070038struct ax88172_int_data {
Al Viro51bf2972007-12-22 17:42:36 +000039 __le16 res1;
David Brownell2e55cc72005-08-31 09:53:10 -070040 u8 link;
Al Viro51bf2972007-12-22 17:42:36 +000041 __le16 res2;
David Brownell2e55cc72005-08-31 09:53:10 -070042 u8 status;
Al Viro51bf2972007-12-22 17:42:36 +000043 __le16 res3;
Eric Dumazetba2d3582010-06-02 18:10:09 +000044} __packed;
David Brownell2e55cc72005-08-31 09:53:10 -070045
David Hollis48b1be62006-03-28 20:15:42 -050046static void asix_status(struct usbnet *dev, struct urb *urb)
David Brownell2e55cc72005-08-31 09:53:10 -070047{
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) {
Ming Leieae65912013-04-11 04:40:34 +000057 usbnet_link_change(dev, link, 1);
Joe Perches60b86752010-02-17 10:30:23 +000058 netdev_dbg(dev->net, "Link Status is: %d\n", link);
David Brownell2e55cc72005-08-31 09:53:10 -070059 }
60}
61
Jean-Christophe PLAGNIOL-VILLARD452b5ec2012-11-21 21:35:17 +000062static 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
David Hollis933a27d2006-07-29 10:12:50 -040072/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
73static u32 asix_get_phyid(struct usbnet *dev)
David Brownell2e55cc72005-08-31 09:53:10 -070074{
David Hollis933a27d2006-07-29 10:12:50 -040075 int phy_reg;
76 u32 phy_id;
Grant Grundlera77929a2011-11-15 07:12:40 +000077 int i;
David Brownell2e55cc72005-08-31 09:53:10 -070078
Grant Grundlera77929a2011-11-15 07:12:40 +000079 /* 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)
David Hollis933a27d2006-07-29 10:12:50 -040088 return 0;
David Brownell2e55cc72005-08-31 09:53:10 -070089
David Hollis933a27d2006-07-29 10:12:50 -040090 phy_id = (phy_reg & 0xffff) << 16;
David Brownell2e55cc72005-08-31 09:53:10 -070091
David Hollis933a27d2006-07-29 10:12:50 -040092 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;
David Brownell2e55cc72005-08-31 09:53:10 -070099}
100
David Hollis933a27d2006-07-29 10:12:50 -0400101static 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
108static 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);
David Brownell2e55cc72005-08-31 09:53:10 -0700113}
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. */
Stephen Hemminger0fc0b732009-09-02 01:03:33 -0700118static const struct ethtool_ops ax88172_ethtool_ops = {
David Hollis48b1be62006-03-28 20:15:42 -0500119 .get_drvinfo = asix_get_drvinfo,
David Hollis933a27d2006-07-29 10:12:50 -0400120 .get_link = asix_get_link,
David Brownell2e55cc72005-08-31 09:53:10 -0700121 .get_msglevel = usbnet_get_msglevel,
122 .set_msglevel = usbnet_set_msglevel,
David Hollis48b1be62006-03-28 20:15:42 -0500123 .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,
Christian Rieschcb7b24c2012-07-19 00:23:07 +0000127 .set_eeprom = asix_set_eeprom,
Arnd Bergmannc41286f2006-10-09 00:08:01 +0200128 .get_settings = usbnet_get_settings,
129 .set_settings = usbnet_set_settings,
130 .nway_reset = usbnet_nway_reset,
David Brownell2e55cc72005-08-31 09:53:10 -0700131};
132
David Hollis933a27d2006-07-29 10:12:50 -0400133static void ax88172_set_multicast(struct net_device *net)
David Brownell2e55cc72005-08-31 09:53:10 -0700134{
135 struct usbnet *dev = netdev_priv(net);
David Hollis933a27d2006-07-29 10:12:50 -0400136 struct asix_data *data = (struct asix_data *)&dev->data;
137 u8 rx_ctl = 0x8c;
David Brownell2e55cc72005-08-31 09:53:10 -0700138
David Hollis933a27d2006-07-29 10:12:50 -0400139 if (net->flags & IFF_PROMISC) {
140 rx_ctl |= 0x01;
Joe Perches8e95a202009-12-03 07:58:21 +0000141 } else if (net->flags & IFF_ALLMULTI ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +0000142 netdev_mc_count(net) > AX_MAX_MCAST) {
David Hollis933a27d2006-07-29 10:12:50 -0400143 rx_ctl |= 0x02;
Jiri Pirko4cd24ea2010-02-08 04:30:35 +0000144 } else if (netdev_mc_empty(net)) {
David Hollis933a27d2006-07-29 10:12:50 -0400145 /* 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 */
Jiri Pirko22bedad32010-04-01 21:22:57 +0000151 struct netdev_hw_addr *ha;
David Hollis933a27d2006-07-29 10:12:50 -0400152 u32 crc_bits;
David Hollis933a27d2006-07-29 10:12:50 -0400153
154 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
155
156 /* Build the multicast hash filter. */
Jiri Pirko22bedad32010-04-01 21:22:57 +0000157 netdev_for_each_mc_addr(ha, net) {
158 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
David Hollis933a27d2006-07-29 10:12:50 -0400159 data->multi_filter[crc_bits >> 3] |=
160 1 << (crc_bits & 7);
David Hollis933a27d2006-07-29 10:12:50 -0400161 }
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
172static int ax88172_link_reset(struct usbnet *dev)
173{
174 u8 mode;
David Decotigny8ae6dac2011-04-27 18:32:38 +0000175 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
David Hollis933a27d2006-07-29 10:12:50 -0400176
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
David Decotigny8ae6dac2011-04-27 18:32:38 +0000184 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);
David Hollis933a27d2006-07-29 10:12:50 -0400186
187 asix_write_medium_mode(dev, mode);
188
189 return 0;
David Brownell2e55cc72005-08-31 09:53:10 -0700190}
191
Stephen Hemminger17033382009-03-20 19:35:55 +0000192static 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,
Jiri Pirkoafc4b132011-08-16 06:29:01 +0000201 .ndo_set_rx_mode = ax88172_set_multicast,
Stephen Hemminger17033382009-03-20 19:35:55 +0000202};
203
David Hollis48b1be62006-03-28 20:15:42 -0500204static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
David Brownell2e55cc72005-08-31 09:53:10 -0700205{
206 int ret = 0;
Al Viro51bf2972007-12-22 17:42:36 +0000207 u8 buf[ETH_ALEN];
David Brownell2e55cc72005-08-31 09:53:10 -0700208 int i;
209 unsigned long gpio_bits = dev->driver_info->data;
210
211 usbnet_get_endpoints(dev,intf);
212
David Brownell2e55cc72005-08-31 09:53:10 -0700213 /* Toggle the GPIOs in a manufacturer/model specific way */
214 for (i = 2; i >= 0; i--) {
Grant Grundler83e1b912011-10-04 09:55:18 +0000215 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
216 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
217 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000218 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700219 msleep(5);
220 }
221
Grant Grundler83e1b912011-10-04 09:55:18 +0000222 ret = asix_write_rx_ctl(dev, 0x80);
223 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000224 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700225
226 /* Get the MAC address */
Grant Grundler83e1b912011-10-04 09:55:18 +0000227 ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
228 if (ret < 0) {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000229 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
230 ret);
Al Viro51bf2972007-12-22 17:42:36 +0000231 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700232 }
Jean-Christophe PLAGNIOL-VILLARD452b5ec2012-11-21 21:35:17 +0000233
234 asix_set_netdev_dev_addr(dev, buf);
David Brownell2e55cc72005-08-31 09:53:10 -0700235
David Brownell2e55cc72005-08-31 09:53:10 -0700236 /* Initialize MII structure */
237 dev->mii.dev = dev->net;
David Hollis48b1be62006-03-28 20:15:42 -0500238 dev->mii.mdio_read = asix_mdio_read;
239 dev->mii.mdio_write = asix_mdio_write;
David Brownell2e55cc72005-08-31 09:53:10 -0700240 dev->mii.phy_id_mask = 0x3f;
241 dev->mii.reg_num_mask = 0x1f;
David Hollis933a27d2006-07-29 10:12:50 -0400242 dev->mii.phy_id = asix_get_phy_addr(dev);
David Brownell2e55cc72005-08-31 09:53:10 -0700243
Stephen Hemminger17033382009-03-20 19:35:55 +0000244 dev->net->netdev_ops = &ax88172_netdev_ops;
David Hollis48b1be62006-03-28 20:15:42 -0500245 dev->net->ethtool_ops = &ax88172_ethtool_ops;
Eric Dumazet95162d62012-07-05 04:31:01 +0000246 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
247 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
David Brownell2e55cc72005-08-31 09:53:10 -0700248
David Hollis933a27d2006-07-29 10:12:50 -0400249 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,
David Brownell2e55cc72005-08-31 09:53:10 -0700251 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
252 mii_nway_restart(&dev->mii);
253
254 return 0;
Al Viro51bf2972007-12-22 17:42:36 +0000255
256out:
David Brownell2e55cc72005-08-31 09:53:10 -0700257 return ret;
258}
259
Stephen Hemminger0fc0b732009-09-02 01:03:33 -0700260static const struct ethtool_ops ax88772_ethtool_ops = {
David Hollis48b1be62006-03-28 20:15:42 -0500261 .get_drvinfo = asix_get_drvinfo,
David Hollis933a27d2006-07-29 10:12:50 -0400262 .get_link = asix_get_link,
David Brownell2e55cc72005-08-31 09:53:10 -0700263 .get_msglevel = usbnet_get_msglevel,
264 .set_msglevel = usbnet_set_msglevel,
David Hollis48b1be62006-03-28 20:15:42 -0500265 .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,
Christian Rieschcb7b24c2012-07-19 00:23:07 +0000269 .set_eeprom = asix_set_eeprom,
Arnd Bergmannc41286f2006-10-09 00:08:01 +0200270 .get_settings = usbnet_get_settings,
271 .set_settings = usbnet_set_settings,
272 .nway_reset = usbnet_nway_reset,
David Brownell2e55cc72005-08-31 09:53:10 -0700273};
274
David Hollis933a27d2006-07-29 10:12:50 -0400275static int ax88772_link_reset(struct usbnet *dev)
276{
277 u16 mode;
David Decotigny8ae6dac2011-04-27 18:32:38 +0000278 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
David Hollis933a27d2006-07-29 10:12:50 -0400279
280 mii_check_media(&dev->mii, 1, 1);
281 mii_ethtool_gset(&dev->mii, &ecmd);
282 mode = AX88772_MEDIUM_DEFAULT;
283
David Decotigny8ae6dac2011-04-27 18:32:38 +0000284 if (ethtool_cmd_speed(&ecmd) != SPEED_100)
David Hollis933a27d2006-07-29 10:12:50 -0400285 mode &= ~AX_MEDIUM_PS;
286
287 if (ecmd.duplex != DUPLEX_FULL)
288 mode &= ~AX_MEDIUM_FD;
289
David Decotigny8ae6dac2011-04-27 18:32:38 +0000290 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);
David Hollis933a27d2006-07-29 10:12:50 -0400292
293 asix_write_medium_mode(dev, mode);
294
295 return 0;
296}
297
Grant Grundler4ad14382011-10-04 09:55:16 +0000298static int ax88772_reset(struct usbnet *dev)
David Brownell2e55cc72005-08-31 09:53:10 -0700299{
Jussi Kivilinna8ef66bd2012-01-10 06:40:17 +0000300 struct asix_data *data = (struct asix_data *)&dev->data;
Andres Salomond0ffff82007-01-11 18:39:16 -0500301 int ret, embd_phy;
David Hollis933a27d2006-07-29 10:12:50 -0400302 u16 rx_ctl;
David Brownell2e55cc72005-08-31 09:53:10 -0700303
Grant Grundler83e1b912011-10-04 09:55:18 +0000304 ret = asix_write_gpio(dev,
305 AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
306 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000307 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700308
Andres Salomond0ffff82007-01-11 18:39:16 -0500309 embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
Grant Grundler4ad14382011-10-04 09:55:16 +0000310
Grant Grundler83e1b912011-10-04 09:55:18 +0000311 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
312 if (ret < 0) {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000313 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
Al Viro51bf2972007-12-22 17:42:36 +0000314 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700315 }
316
Grant Grundler83e1b912011-10-04 09:55:18 +0000317 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
318 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000319 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700320
321 msleep(150);
Grant Grundler83e1b912011-10-04 09:55:18 +0000322
323 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
324 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000325 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700326
327 msleep(150);
Grant Grundler4ad14382011-10-04 09:55:16 +0000328
Andres Salomond0ffff82007-01-11 18:39:16 -0500329 if (embd_phy) {
Grant Grundler83e1b912011-10-04 09:55:18 +0000330 ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
331 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000332 goto out;
Grant Grundler83e1b912011-10-04 09:55:18 +0000333 } else {
334 ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
335 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000336 goto out;
Andres Salomond0ffff82007-01-11 18:39:16 -0500337 }
David Brownell2e55cc72005-08-31 09:53:10 -0700338
339 msleep(150);
David Hollis933a27d2006-07-29 10:12:50 -0400340 rx_ctl = asix_read_rx_ctl(dev);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000341 netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl);
Grant Grundler83e1b912011-10-04 09:55:18 +0000342 ret = asix_write_rx_ctl(dev, 0x0000);
343 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000344 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700345
David Hollis933a27d2006-07-29 10:12:50 -0400346 rx_ctl = asix_read_rx_ctl(dev);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000347 netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
David Hollis933a27d2006-07-29 10:12:50 -0400348
Grant Grundler83e1b912011-10-04 09:55:18 +0000349 ret = asix_sw_reset(dev, AX_SWRESET_PRL);
350 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000351 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700352
David Brownell2e55cc72005-08-31 09:53:10 -0700353 msleep(150);
354
Grant Grundler83e1b912011-10-04 09:55:18 +0000355 ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
356 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000357 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700358
David Hollis48b1be62006-03-28 20:15:42 -0500359 msleep(150);
360
David Hollis933a27d2006-07-29 10:12:50 -0400361 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,
David Brownell2e55cc72005-08-31 09:53:10 -0700363 ADVERTISE_ALL | ADVERTISE_CSMA);
364 mii_nway_restart(&dev->mii);
365
Grant Grundler83e1b912011-10-04 09:55:18 +0000366 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
367 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000368 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700369
Grant Grundler83e1b912011-10-04 09:55:18 +0000370 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
David Brownell2e55cc72005-08-31 09:53:10 -0700371 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
Grant Grundler83e1b912011-10-04 09:55:18 +0000372 AX88772_IPG2_DEFAULT, 0, NULL);
373 if (ret < 0) {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000374 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
Al Viro51bf2972007-12-22 17:42:36 +0000375 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700376 }
David Brownell2e55cc72005-08-31 09:53:10 -0700377
Jussi Kivilinna8ef66bd2012-01-10 06:40:17 +0000378 /* 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
David Brownell2e55cc72005-08-31 09:53:10 -0700385 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
Grant Grundler83e1b912011-10-04 09:55:18 +0000386 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
387 if (ret < 0)
Al Viro51bf2972007-12-22 17:42:36 +0000388 goto out;
David Brownell2e55cc72005-08-31 09:53:10 -0700389
David Hollis933a27d2006-07-29 10:12:50 -0400390 rx_ctl = asix_read_rx_ctl(dev);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000391 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
392 rx_ctl);
David Hollis933a27d2006-07-29 10:12:50 -0400393
394 rx_ctl = asix_read_medium_status(dev);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000395 netdev_dbg(dev->net,
396 "Medium Status is 0x%04x after all initializations\n",
397 rx_ctl);
David Hollis933a27d2006-07-29 10:12:50 -0400398
Grant Grundler4ad14382011-10-04 09:55:16 +0000399 return 0;
400
401out:
402 return ret;
403
404}
405
406static 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
418static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
419{
Lucas Stach5620df62013-01-16 04:24:06 +0000420 int ret, embd_phy, i;
Grant Grundler4ad14382011-10-04 09:55:16 +0000421 u8 buf[ETH_ALEN];
422 u32 phyid;
423
Grant Grundler4ad14382011-10-04 09:55:16 +0000424 usbnet_get_endpoints(dev,intf);
425
426 /* Get the MAC address */
Lucas Stach5620df62013-01-16 04:24:06 +0000427 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
Grant Grundler83e1b912011-10-04 09:55:18 +0000439 if (ret < 0) {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000440 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
Grant Grundler83e1b912011-10-04 09:55:18 +0000441 return ret;
Grant Grundler4ad14382011-10-04 09:55:16 +0000442 }
Jean-Christophe PLAGNIOL-VILLARD452b5ec2012-11-21 21:35:17 +0000443
444 asix_set_netdev_dev_addr(dev, buf);
Grant Grundler4ad14382011-10-04 09:55:16 +0000445
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
Grant Grundler4ad14382011-10-04 09:55:16 +0000454 dev->net->netdev_ops = &ax88772_netdev_ops;
455 dev->net->ethtool_ops = &ax88772_ethtool_ops;
Eric Dumazet95162d62012-07-05 04:31:01 +0000456 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
457 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
Grant Grundler4ad14382011-10-04 09:55:16 +0000458
Grant Grundlerd3665182011-11-15 07:12:41 +0000459 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) {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000464 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
Grant Grundlerd3665182011-11-15 07:12:41 +0000465 return ret;
466 }
467
Charles Keepax436c2a52014-11-06 15:49:41 +0000468 ax88772_reset(dev);
Grant Grundlerd3665182011-11-15 07:12:41 +0000469
470 /* Read PHYID register *AFTER* the PHY was reset properly */
471 phyid = asix_get_phyid(dev);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000472 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
Grant Grundlerd3665182011-11-15 07:12:41 +0000473
David Brownell2e55cc72005-08-31 09:53:10 -0700474 /* 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 }
Grant Grundler83e1b912011-10-04 09:55:18 +0000480
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000481 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
482 if (!dev->driver_priv)
483 return -ENOMEM;
484
David Brownell2e55cc72005-08-31 09:53:10 -0700485 return 0;
David Brownell2e55cc72005-08-31 09:53:10 -0700486}
487
Wu Fengguangad327912013-01-18 15:36:56 +0000488static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000489{
Markus Elfring91ecee62014-11-20 16:11:56 +0100490 kfree(dev->driver_priv);
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000491}
492
stephen hemmingerbc689c92012-01-05 19:10:23 +0000493static const struct ethtool_ops ax88178_ethtool_ops = {
David Hollis933a27d2006-07-29 10:12:50 -0400494 .get_drvinfo = asix_get_drvinfo,
495 .get_link = asix_get_link,
David Hollis933a27d2006-07-29 10:12:50 -0400496 .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,
Christian Rieschcb7b24c2012-07-19 00:23:07 +0000502 .set_eeprom = asix_set_eeprom,
Arnd Bergmannc41286f2006-10-09 00:08:01 +0200503 .get_settings = usbnet_get_settings,
504 .set_settings = usbnet_set_settings,
505 .nway_reset = usbnet_nway_reset,
David Hollis933a27d2006-07-29 10:12:50 -0400506};
507
508static int marvell_phy_init(struct usbnet *dev)
David Brownell2e55cc72005-08-31 09:53:10 -0700509{
David Hollis933a27d2006-07-29 10:12:50 -0400510 struct asix_data *data = (struct asix_data *)&dev->data;
511 u16 reg;
David Brownell2e55cc72005-08-31 09:53:10 -0700512
Joe Perches60b86752010-02-17 10:30:23 +0000513 netdev_dbg(dev->net, "marvell_phy_init()\n");
David Brownell2e55cc72005-08-31 09:53:10 -0700514
David Hollis933a27d2006-07-29 10:12:50 -0400515 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
Joe Perches60b86752010-02-17 10:30:23 +0000516 netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
David Brownell2e55cc72005-08-31 09:53:10 -0700517
David Hollis933a27d2006-07-29 10:12:50 -0400518 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
519 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
David Brownell2e55cc72005-08-31 09:53:10 -0700520
David Hollis933a27d2006-07-29 10:12:50 -0400521 if (data->ledmode) {
522 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
523 MII_MARVELL_LED_CTRL);
Joe Perches60b86752010-02-17 10:30:23 +0000524 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
David Brownell2e55cc72005-08-31 09:53:10 -0700525
David Hollis933a27d2006-07-29 10:12:50 -0400526 reg &= 0xf8ff;
527 reg |= (1 + 0x0100);
528 asix_mdio_write(dev->net, dev->mii.phy_id,
529 MII_MARVELL_LED_CTRL, reg);
David Brownell2e55cc72005-08-31 09:53:10 -0700530
David Hollis933a27d2006-07-29 10:12:50 -0400531 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
532 MII_MARVELL_LED_CTRL);
Joe Perches60b86752010-02-17 10:30:23 +0000533 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
David Hollis933a27d2006-07-29 10:12:50 -0400534 reg &= 0xfc0f;
David Brownell2e55cc72005-08-31 09:53:10 -0700535 }
536
David Brownell2e55cc72005-08-31 09:53:10 -0700537 return 0;
538}
539
Grant Grundler610d8852011-10-04 09:55:17 +0000540static 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
David Hollis933a27d2006-07-29 10:12:50 -0400561static 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
Joe Perches60b86752010-02-17 10:30:23 +0000565 netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
David Hollis933a27d2006-07-29 10:12:50 -0400566
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
Joe Perches60b86752010-02-17 10:30:23 +0000581 netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
David Hollis933a27d2006-07-29 10:12:50 -0400582 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
583
584 return 0;
585}
586
Grant Grundler610d8852011-10-04 09:55:17 +0000587static 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;
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000594 u32 phyid;
Grant Grundler610d8852011-10-04 09:55:17 +0000595
596 asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000597 netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
Grant Grundler610d8852011-10-04 09:55:17 +0000598
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
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000603 netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
Grant Grundler610d8852011-10-04 09:55:17 +0000604
605 if (eeprom == cpu_to_le16(0xffff)) {
606 data->phymode = PHY_MODE_MARVELL;
607 data->ledmode = 0;
608 gpio0 = 1;
609 } else {
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000610 data->phymode = le16_to_cpu(eeprom) & 0x7F;
Grant Grundler610d8852011-10-04 09:55:17 +0000611 data->ledmode = le16_to_cpu(eeprom) >> 8;
612 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
613 }
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000614 netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
Grant Grundler610d8852011-10-04 09:55:17 +0000615
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000616 /* Power up external GigaPHY through AX88178 GPIO pin */
Grant Grundler610d8852011-10-04 09:55:17 +0000617 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 {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000623 netdev_dbg(dev->net, "gpio phymode == 1 path\n");
Grant Grundler610d8852011-10-04 09:55:17 +0000624 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
625 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
626 }
627
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000628 /* Read PHYID register *AFTER* powering up PHY */
629 phyid = asix_get_phyid(dev);
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000630 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000631
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
Grant Grundler610d8852011-10-04 09:55:17 +0000635 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
Grant Grundler83e1b912011-10-04 09:55:18 +0000658 ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
659 if (ret < 0)
660 return ret;
Grant Grundler610d8852011-10-04 09:55:17 +0000661
Jussi Kivilinna71bc5d92012-01-10 06:40:23 +0000662 /* 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
Grant Grundler83e1b912011-10-04 09:55:18 +0000669 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
670 if (ret < 0)
671 return ret;
Grant Grundler610d8852011-10-04 09:55:17 +0000672
673 return 0;
Grant Grundler610d8852011-10-04 09:55:17 +0000674}
675
David Hollis933a27d2006-07-29 10:12:50 -0400676static int ax88178_link_reset(struct usbnet *dev)
677{
678 u16 mode;
David Decotigny8ae6dac2011-04-27 18:32:38 +0000679 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
David Hollis933a27d2006-07-29 10:12:50 -0400680 struct asix_data *data = (struct asix_data *)&dev->data;
David Decotigny8ae6dac2011-04-27 18:32:38 +0000681 u32 speed;
David Hollis933a27d2006-07-29 10:12:50 -0400682
Joe Perches60b86752010-02-17 10:30:23 +0000683 netdev_dbg(dev->net, "ax88178_link_reset()\n");
David Hollis933a27d2006-07-29 10:12:50 -0400684
685 mii_check_media(&dev->mii, 1, 1);
686 mii_ethtool_gset(&dev->mii, &ecmd);
687 mode = AX88178_MEDIUM_DEFAULT;
David Decotigny8ae6dac2011-04-27 18:32:38 +0000688 speed = ethtool_cmd_speed(&ecmd);
David Hollis933a27d2006-07-29 10:12:50 -0400689
David Decotigny8ae6dac2011-04-27 18:32:38 +0000690 if (speed == SPEED_1000)
Pantelis Koukousoulasa7f75c02008-11-20 01:48:46 -0800691 mode |= AX_MEDIUM_GM;
David Decotigny8ae6dac2011-04-27 18:32:38 +0000692 else if (speed == SPEED_100)
David Hollis933a27d2006-07-29 10:12:50 -0400693 mode |= AX_MEDIUM_PS;
694 else
695 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
696
Pantelis Koukousoulasa7f75c02008-11-20 01:48:46 -0800697 mode |= AX_MEDIUM_ENCK;
698
David Hollis933a27d2006-07-29 10:12:50 -0400699 if (ecmd.duplex == DUPLEX_FULL)
700 mode |= AX_MEDIUM_FD;
701 else
702 mode &= ~AX_MEDIUM_FD;
703
David Decotigny8ae6dac2011-04-27 18:32:38 +0000704 netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
705 speed, ecmd.duplex, mode);
David Hollis933a27d2006-07-29 10:12:50 -0400706
707 asix_write_medium_mode(dev, mode);
708
709 if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
David Decotigny8ae6dac2011-04-27 18:32:38 +0000710 marvell_led_status(dev, speed);
David Hollis933a27d2006-07-29 10:12:50 -0400711
712 return 0;
713}
714
715static 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
750static 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
Joe Perches60b86752010-02-17 10:30:23 +0000755 netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
David Hollis933a27d2006-07-29 10:12:50 -0400756
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
Ming Leia88c32a2013-07-25 13:47:53 +0800767 /* max qlen depend on hard_mtu and rx_urb_size */
768 usbnet_update_max_qlen(dev);
769
David Hollis933a27d2006-07-29 10:12:50 -0400770 return 0;
771}
772
Stephen Hemminger17033382009-03-20 19:35:55 +0000773static 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,
Jussi Kivilinna7f29a3b2010-03-09 12:24:38 +0000778 .ndo_set_mac_address = asix_set_mac_address,
Stephen Hemminger17033382009-03-20 19:35:55 +0000779 .ndo_validate_addr = eth_validate_addr,
Jiri Pirkoafc4b132011-08-16 06:29:01 +0000780 .ndo_set_rx_mode = asix_set_multicast,
Stephen Hemminger17033382009-03-20 19:35:55 +0000781 .ndo_do_ioctl = asix_ioctl,
782 .ndo_change_mtu = ax88178_change_mtu,
783};
784
David Hollis933a27d2006-07-29 10:12:50 -0400785static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
786{
David Hollis933a27d2006-07-29 10:12:50 -0400787 int ret;
Al Viro51bf2972007-12-22 17:42:36 +0000788 u8 buf[ETH_ALEN];
David Hollis933a27d2006-07-29 10:12:50 -0400789
790 usbnet_get_endpoints(dev,intf);
791
David Hollis933a27d2006-07-29 10:12:50 -0400792 /* Get the MAC address */
Grant Grundler83e1b912011-10-04 09:55:18 +0000793 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
794 if (ret < 0) {
Greg Kroah-Hartman49ae25b2012-09-19 09:46:14 +0000795 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
Grant Grundler83e1b912011-10-04 09:55:18 +0000796 return ret;
David Hollis933a27d2006-07-29 10:12:50 -0400797 }
Jean-Christophe PLAGNIOL-VILLARD452b5ec2012-11-21 21:35:17 +0000798
799 asix_set_netdev_dev_addr(dev, buf);
David Hollis933a27d2006-07-29 10:12:50 -0400800
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;
David Hollis933a27d2006-07-29 10:12:50 -0400808 dev->mii.phy_id = asix_get_phy_addr(dev);
Stephen Hemminger17033382009-03-20 19:35:55 +0000809
810 dev->net->netdev_ops = &ax88178_netdev_ops;
David Hollis933a27d2006-07-29 10:12:50 -0400811 dev->net->ethtool_ops = &ax88178_ethtool_ops;
David Hollis933a27d2006-07-29 10:12:50 -0400812
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000813 /* Blink LEDS so users know driver saw dongle */
814 asix_sw_reset(dev, 0);
815 msleep(150);
David Hollis933a27d2006-07-29 10:12:50 -0400816
Grant Grundlerb2d3ad292011-11-15 07:12:42 +0000817 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
818 msleep(150);
David Hollis933a27d2006-07-29 10:12:50 -0400819
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 }
David Hollis933a27d2006-07-29 10:12:50 -0400826
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000827 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
828 if (!dev->driver_priv)
829 return -ENOMEM;
830
Grant Grundler83e1b912011-10-04 09:55:18 +0000831 return 0;
David Hollis933a27d2006-07-29 10:12:50 -0400832}
833
David Brownell2e55cc72005-08-31 09:53:10 -0700834static const struct driver_info ax8817x_info = {
835 .description = "ASIX AX8817x USB 2.0 Ethernet",
David Hollis48b1be62006-03-28 20:15:42 -0500836 .bind = ax88172_bind,
837 .status = asix_status,
David Brownell2e55cc72005-08-31 09:53:10 -0700838 .link_reset = ax88172_link_reset,
839 .reset = ax88172_link_reset,
Ben Hutchings37e82732009-11-04 15:29:52 +0000840 .flags = FLAG_ETHER | FLAG_LINK_INTR,
David Brownell2e55cc72005-08-31 09:53:10 -0700841 .data = 0x00130103,
842};
843
844static const struct driver_info dlink_dub_e100_info = {
845 .description = "DLink DUB-E100 USB Ethernet",
David Hollis48b1be62006-03-28 20:15:42 -0500846 .bind = ax88172_bind,
847 .status = asix_status,
David Brownell2e55cc72005-08-31 09:53:10 -0700848 .link_reset = ax88172_link_reset,
849 .reset = ax88172_link_reset,
Ben Hutchings37e82732009-11-04 15:29:52 +0000850 .flags = FLAG_ETHER | FLAG_LINK_INTR,
David Brownell2e55cc72005-08-31 09:53:10 -0700851 .data = 0x009f9d9f,
852};
853
854static const struct driver_info netgear_fa120_info = {
855 .description = "Netgear FA-120 USB Ethernet",
David Hollis48b1be62006-03-28 20:15:42 -0500856 .bind = ax88172_bind,
857 .status = asix_status,
David Brownell2e55cc72005-08-31 09:53:10 -0700858 .link_reset = ax88172_link_reset,
859 .reset = ax88172_link_reset,
Ben Hutchings37e82732009-11-04 15:29:52 +0000860 .flags = FLAG_ETHER | FLAG_LINK_INTR,
David Brownell2e55cc72005-08-31 09:53:10 -0700861 .data = 0x00130103,
862};
863
864static const struct driver_info hawking_uf200_info = {
865 .description = "Hawking UF200 USB Ethernet",
David Hollis48b1be62006-03-28 20:15:42 -0500866 .bind = ax88172_bind,
867 .status = asix_status,
David Brownell2e55cc72005-08-31 09:53:10 -0700868 .link_reset = ax88172_link_reset,
869 .reset = ax88172_link_reset,
Ben Hutchings37e82732009-11-04 15:29:52 +0000870 .flags = FLAG_ETHER | FLAG_LINK_INTR,
David Brownell2e55cc72005-08-31 09:53:10 -0700871 .data = 0x001f1d1f,
872};
873
874static const struct driver_info ax88772_info = {
875 .description = "ASIX AX88772 USB 2.0 Ethernet",
876 .bind = ax88772_bind,
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000877 .unbind = ax88772_unbind,
David Hollis48b1be62006-03-28 20:15:42 -0500878 .status = asix_status,
David Brownell2e55cc72005-08-31 09:53:10 -0700879 .link_reset = ax88772_link_reset,
Michel Stam3cc81d82014-10-02 10:22:02 +0200880 .reset = ax88772_link_reset,
Eric Dumazeta9e0aca2012-03-14 20:18:32 +0000881 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000882 .rx_fixup = asix_rx_fixup_common,
David Hollis933a27d2006-07-29 10:12:50 -0400883 .tx_fixup = asix_tx_fixup,
884};
885
Lucas Stach5620df62013-01-16 04:24:06 +0000886static const struct driver_info ax88772b_info = {
887 .description = "ASIX AX88772B USB 2.0 Ethernet",
888 .bind = ax88772_bind,
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000889 .unbind = ax88772_unbind,
Lucas Stach5620df62013-01-16 04:24:06 +0000890 .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,
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000895 .rx_fixup = asix_rx_fixup_common,
Lucas Stach5620df62013-01-16 04:24:06 +0000896 .tx_fixup = asix_tx_fixup,
897 .data = FLAG_EEPROM_MAC,
898};
899
David Hollis933a27d2006-07-29 10:12:50 -0400900static const struct driver_info ax88178_info = {
901 .description = "ASIX AX88178 USB 2.0 Ethernet",
902 .bind = ax88178_bind,
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000903 .unbind = ax88772_unbind,
David Hollis933a27d2006-07-29 10:12:50 -0400904 .status = asix_status,
905 .link_reset = ax88178_link_reset,
Grant Grundler610d8852011-10-04 09:55:17 +0000906 .reset = ax88178_reset,
Emil Gooded43ff4c2014-02-13 19:30:39 +0100907 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
908 FLAG_MULTI_PACKET,
Lucas Stach8b5b6f52013-01-16 04:24:07 +0000909 .rx_fixup = asix_rx_fixup_common,
David Hollis933a27d2006-07-29 10:12:50 -0400910 .tx_fixup = asix_tx_fixup,
David Brownell2e55cc72005-08-31 09:53:10 -0700911};
912
Glen Turner45af3fb2013-02-27 04:32:36 +0000913/*
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 */
922static 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
David Brownell2e55cc72005-08-31 09:53:10 -0700936static 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}, {
David Hollis39c4b382007-02-20 08:02:24 -0500958 // Billionton Systems, USB2AR
959 USB_DEVICE (0x08dd, 0x90ff),
960 .driver_info = (unsigned long) &ax8817x_info,
David Brownell2e55cc72005-08-31 09:53:10 -0700961}, {
Chia-Sheng Chang80083a32015-10-16 02:00:21 +0800962 // Billionton Systems, GUSB2AM-1G-B
963 USB_DEVICE(0x08dd, 0x0114),
964 .driver_info = (unsigned long) &ax88178_info,
965}, {
David Brownell2e55cc72005-08-31 09:53:10 -0700966 // ATEN UC210T
967 USB_DEVICE (0x0557, 0x2009),
968 .driver_info = (unsigned long) &ax8817x_info,
969}, {
970 // Buffalo LUA-U2-KTX
971 USB_DEVICE (0x0411, 0x003d),
972 .driver_info = (unsigned long) &ax8817x_info,
973}, {
Mattia Dongiliac7b77f2008-05-06 20:42:35 -0700974 // Buffalo LUA-U2-GT 10/100/1000
975 USB_DEVICE (0x0411, 0x006e),
976 .driver_info = (unsigned long) &ax88178_info,
977}, {
David Brownell2e55cc72005-08-31 09:53:10 -0700978 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
979 USB_DEVICE (0x6189, 0x182d),
980 .driver_info = (unsigned long) &ax8817x_info,
981}, {
Joerg Neikes4e503912012-03-08 22:44:03 +0000982 // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
983 USB_DEVICE (0x0df6, 0x0056),
984 .driver_info = (unsigned long) &ax88178_info,
985}, {
Luca Ceresoli7488c3e2015-02-26 00:58:12 +0100986 // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
987 USB_DEVICE (0x0df6, 0x061c),
988 .driver_info = (unsigned long) &ax88178_info,
989}, {
David Brownell2e55cc72005-08-31 09:53:10 -0700990 // corega FEther USB2-TX
991 USB_DEVICE (0x07aa, 0x0017),
992 .driver_info = (unsigned long) &ax8817x_info,
993}, {
994 // Surecom EP-1427X-2
995 USB_DEVICE (0x1189, 0x0893),
996 .driver_info = (unsigned long) &ax8817x_info,
997}, {
998 // goodway corp usb gwusb2e
999 USB_DEVICE (0x1631, 0x6200),
1000 .driver_info = (unsigned long) &ax8817x_info,
1001}, {
David Hollis39c4b382007-02-20 08:02:24 -05001002 // JVC MP-PRX1 Port Replicator
1003 USB_DEVICE (0x04f1, 0x3008),
1004 .driver_info = (unsigned long) &ax8817x_info,
1005}, {
Quinlan Pfiffer66dc81e2012-09-28 19:58:44 +00001006 // Lenovo U2L100P 10/100
1007 USB_DEVICE (0x17ef, 0x7203),
1008 .driver_info = (unsigned long) &ax88772_info,
1009}, {
Marek Vasut30885902011-07-20 05:57:04 +00001010 // ASIX AX88772B 10/100
1011 USB_DEVICE (0x0b95, 0x772b),
Lucas Stach5620df62013-01-16 04:24:06 +00001012 .driver_info = (unsigned long) &ax88772b_info,
Marek Vasut30885902011-07-20 05:57:04 +00001013}, {
David Brownell2e55cc72005-08-31 09:53:10 -07001014 // ASIX AX88772 10/100
David Hollis39c4b382007-02-20 08:02:24 -05001015 USB_DEVICE (0x0b95, 0x7720),
1016 .driver_info = (unsigned long) &ax88772_info,
David Hollis5e0f76c2005-12-19 13:58:38 -05001017}, {
Eduard Warkentin73274132006-05-18 01:13:17 -07001018 // ASIX AX88178 10/100/1000
1019 USB_DEVICE (0x0b95, 0x1780),
David Hollis933a27d2006-07-29 10:12:50 -04001020 .driver_info = (unsigned long) &ax88178_info,
Eduard Warkentin73274132006-05-18 01:13:17 -07001021}, {
Arnaud Ebalardf4680d32010-12-15 12:16:30 +00001022 // Logitec LAN-GTJ/U2A
1023 USB_DEVICE (0x0789, 0x0160),
1024 .driver_info = (unsigned long) &ax88178_info,
1025}, {
David Hollis5e0f76c2005-12-19 13:58:38 -05001026 // Linksys USB200M Rev 2
1027 USB_DEVICE (0x13b1, 0x0018),
1028 .driver_info = (unsigned long) &ax88772_info,
David Hollis5732ce82006-01-05 14:39:49 -05001029}, {
1030 // 0Q0 cable ethernet
1031 USB_DEVICE (0x1557, 0x7720),
1032 .driver_info = (unsigned long) &ax88772_info,
David Hollis933a27d2006-07-29 10:12:50 -04001033}, {
1034 // DLink DUB-E100 H/W Ver B1
1035 USB_DEVICE (0x07d1, 0x3c05),
1036 .driver_info = (unsigned long) &ax88772_info,
1037}, {
David Hollisb923e7f2006-09-21 08:09:29 -04001038 // DLink DUB-E100 H/W Ver B1 Alternate
1039 USB_DEVICE (0x2001, 0x3c05),
1040 .driver_info = (unsigned long) &ax88772_info,
1041}, {
Søren holmed3770a2012-09-17 21:50:57 +00001042 // DLink DUB-E100 H/W Ver C1
1043 USB_DEVICE (0x2001, 0x1a02),
1044 .driver_info = (unsigned long) &ax88772_info,
1045}, {
David Hollis933a27d2006-07-29 10:12:50 -04001046 // Linksys USB1000
1047 USB_DEVICE (0x1737, 0x0039),
1048 .driver_info = (unsigned long) &ax88178_info,
YOSHIFUJI Hideaki / 吉藤英明b29cf312007-01-26 22:57:38 +09001049}, {
1050 // IO-DATA ETG-US2
1051 USB_DEVICE (0x04bb, 0x0930),
1052 .driver_info = (unsigned long) &ax88178_info,
David Hollis2ed22bc2007-05-23 07:33:17 -04001053}, {
1054 // Belkin F5D5055
1055 USB_DEVICE(0x050d, 0x5055),
1056 .driver_info = (unsigned long) &ax88178_info,
Aurelien Nephtali3d60efb52008-05-14 17:04:13 -07001057}, {
1058 // Apple USB Ethernet Adapter
1059 USB_DEVICE(0x05ac, 0x1402),
1060 .driver_info = (unsigned long) &ax88772_info,
Jason Cooperccf95402008-11-11 13:02:53 -05001061}, {
1062 // Cables-to-Go USB Ethernet Adapter
1063 USB_DEVICE(0x0b95, 0x772a),
1064 .driver_info = (unsigned long) &ax88772_info,
Greg Kroah-Hartmanfef7cc02009-02-24 23:52:24 -08001065}, {
1066 // ABOCOM for pci
1067 USB_DEVICE(0x14ea, 0xab11),
1068 .driver_info = (unsigned long) &ax88178_info,
1069}, {
1070 // ASIX 88772a
1071 USB_DEVICE(0x0db0, 0xa877),
1072 .driver_info = (unsigned long) &ax88772_info,
Aurelien Jacobse8303a32011-12-16 10:49:22 +00001073}, {
1074 // Asus USB Ethernet Adapter
1075 USB_DEVICE (0x0b95, 0x7e2b),
1076 .driver_info = (unsigned long) &ax88772_info,
Christian Riesch16626b02012-07-13 05:26:31 +00001077}, {
1078 /* ASIX 88172a demo board */
1079 USB_DEVICE(0x0b95, 0x172a),
1080 .driver_info = (unsigned long) &ax88172a_info,
Glen Turner45af3fb2013-02-27 04:32:36 +00001081}, {
1082 /*
1083 * USBLINK HG20F9 "USB 2.0 LAN"
1084 * Appears to have gazumped Linksys's manufacturer ID but
1085 * doesn't (yet) conflict with any known Linksys product.
1086 */
1087 USB_DEVICE(0x066b, 0x20f9),
1088 .driver_info = (unsigned long) &hg20f9_info,
David Brownell2e55cc72005-08-31 09:53:10 -07001089},
1090 { }, // END
1091};
1092MODULE_DEVICE_TABLE(usb, products);
1093
1094static struct usb_driver asix_driver = {
Grant Grundler83e1b912011-10-04 09:55:18 +00001095 .name = DRIVER_NAME,
David Brownell2e55cc72005-08-31 09:53:10 -07001096 .id_table = products,
1097 .probe = usbnet_probe,
1098 .suspend = usbnet_suspend,
1099 .resume = usbnet_resume,
1100 .disconnect = usbnet_disconnect,
Oliver Neukuma11a6542007-08-03 13:52:19 +02001101 .supports_autosuspend = 1,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -07001102 .disable_hub_initiated_lpm = 1,
David Brownell2e55cc72005-08-31 09:53:10 -07001103};
1104
Greg Kroah-Hartmand632eb12011-11-18 09:44:20 -08001105module_usb_driver(asix_driver);
David Brownell2e55cc72005-08-31 09:53:10 -07001106
1107MODULE_AUTHOR("David Hollis");
Grant Grundler4ad14382011-10-04 09:55:16 +00001108MODULE_VERSION(DRIVER_VERSION);
David Brownell2e55cc72005-08-31 09:53:10 -07001109MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1110MODULE_LICENSE("GPL");
1111