1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ASIX AX8817X based USB 2.0 Ethernet Devices 4 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com> 5 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> 6 * Copyright (C) 2006 James Painter <jamie.painter@iname.com> 7 * Copyright (c) 2002-2003 TiVo Inc. 8 */ 9 10 #include "asix.h" 11 12 #define PHY_MODE_MARVELL 0x0000 13 #define MII_MARVELL_LED_CTRL 0x0018 14 #define MII_MARVELL_STATUS 0x001b 15 #define MII_MARVELL_CTRL 0x0014 16 17 #define MARVELL_LED_MANUAL 0x0019 18 19 #define MARVELL_STATUS_HWCFG 0x0004 20 21 #define MARVELL_CTRL_TXDELAY 0x0002 22 #define MARVELL_CTRL_RXDELAY 0x0080 23 24 #define PHY_MODE_RTL8211CL 0x000C 25 26 #define AX88772A_PHY14H 0x14 27 #define AX88772A_PHY14H_DEFAULT 0x442C 28 29 #define AX88772A_PHY15H 0x15 30 #define AX88772A_PHY15H_DEFAULT 0x03C8 31 32 #define AX88772A_PHY16H 0x16 33 #define AX88772A_PHY16H_DEFAULT 0x4044 34 35 struct ax88172_int_data { 36 __le16 res1; 37 u8 link; 38 __le16 res2; 39 u8 status; 40 __le16 res3; 41 } __packed; 42 43 static void asix_status(struct usbnet *dev, struct urb *urb) 44 { 45 struct ax88172_int_data *event; 46 int link; 47 48 if (urb->actual_length < 8) 49 return; 50 51 event = urb->transfer_buffer; 52 link = event->link & 0x01; 53 if (netif_carrier_ok(dev->net) != link) { 54 usbnet_link_change(dev, link, 1); 55 netdev_dbg(dev->net, "Link Status is: %d\n", link); 56 } 57 } 58 59 static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr) 60 { 61 if (is_valid_ether_addr(addr)) { 62 eth_hw_addr_set(dev->net, addr); 63 } else { 64 netdev_info(dev->net, "invalid hw address, using random\n"); 65 eth_hw_addr_random(dev->net); 66 } 67 } 68 69 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ 70 static u32 asix_get_phyid(struct usbnet *dev) 71 { 72 int phy_reg; 73 u32 phy_id; 74 int i; 75 76 /* Poll for the rare case the FW or phy isn't ready yet. */ 77 for (i = 0; i < 100; i++) { 78 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); 79 if (phy_reg < 0) 80 return 0; 81 if (phy_reg != 0 && phy_reg != 0xFFFF) 82 break; 83 mdelay(1); 84 } 85 86 if (phy_reg <= 0 || phy_reg == 0xFFFF) 87 return 0; 88 89 phy_id = (phy_reg & 0xffff) << 16; 90 91 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); 92 if (phy_reg < 0) 93 return 0; 94 95 phy_id |= (phy_reg & 0xffff); 96 97 return phy_id; 98 } 99 100 static u32 asix_get_link(struct net_device *net) 101 { 102 struct usbnet *dev = netdev_priv(net); 103 104 return mii_link_ok(&dev->mii); 105 } 106 107 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd) 108 { 109 struct usbnet *dev = netdev_priv(net); 110 111 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); 112 } 113 114 /* We need to override some ethtool_ops so we require our 115 own structure so we don't interfere with other usbnet 116 devices that may be connected at the same time. */ 117 static const struct ethtool_ops ax88172_ethtool_ops = { 118 .get_drvinfo = asix_get_drvinfo, 119 .get_link = asix_get_link, 120 .get_msglevel = usbnet_get_msglevel, 121 .set_msglevel = usbnet_set_msglevel, 122 .get_wol = asix_get_wol, 123 .set_wol = asix_set_wol, 124 .get_eeprom_len = asix_get_eeprom_len, 125 .get_eeprom = asix_get_eeprom, 126 .set_eeprom = asix_set_eeprom, 127 .nway_reset = usbnet_nway_reset, 128 .get_link_ksettings = usbnet_get_link_ksettings_mii, 129 .set_link_ksettings = usbnet_set_link_ksettings_mii, 130 }; 131 132 static void ax88172_set_multicast(struct net_device *net) 133 { 134 struct usbnet *dev = netdev_priv(net); 135 struct asix_data *data = (struct asix_data *)&dev->data; 136 u8 rx_ctl = 0x8c; 137 138 if (net->flags & IFF_PROMISC) { 139 rx_ctl |= 0x01; 140 } else if (net->flags & IFF_ALLMULTI || 141 netdev_mc_count(net) > AX_MAX_MCAST) { 142 rx_ctl |= 0x02; 143 } else if (netdev_mc_empty(net)) { 144 /* just broadcast and directed */ 145 } else { 146 /* We use the 20 byte dev->data 147 * for our 8 byte filter buffer 148 * to avoid allocating memory that 149 * is tricky to free later */ 150 struct netdev_hw_addr *ha; 151 u32 crc_bits; 152 153 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); 154 155 /* Build the multicast hash filter. */ 156 netdev_for_each_mc_addr(ha, net) { 157 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; 158 data->multi_filter[crc_bits >> 3] |= 159 1 << (crc_bits & 7); 160 } 161 162 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, 163 AX_MCAST_FILTER_SIZE, data->multi_filter); 164 165 rx_ctl |= 0x10; 166 } 167 168 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); 169 } 170 171 static int ax88172_link_reset(struct usbnet *dev) 172 { 173 u8 mode; 174 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; 175 176 mii_check_media(&dev->mii, 1, 1); 177 mii_ethtool_gset(&dev->mii, &ecmd); 178 mode = AX88172_MEDIUM_DEFAULT; 179 180 if (ecmd.duplex != DUPLEX_FULL) 181 mode |= ~AX88172_MEDIUM_FD; 182 183 netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", 184 ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); 185 186 asix_write_medium_mode(dev, mode, 0); 187 188 return 0; 189 } 190 191 static const struct net_device_ops ax88172_netdev_ops = { 192 .ndo_open = usbnet_open, 193 .ndo_stop = usbnet_stop, 194 .ndo_start_xmit = usbnet_start_xmit, 195 .ndo_tx_timeout = usbnet_tx_timeout, 196 .ndo_change_mtu = usbnet_change_mtu, 197 .ndo_get_stats64 = dev_get_tstats64, 198 .ndo_set_mac_address = eth_mac_addr, 199 .ndo_validate_addr = eth_validate_addr, 200 .ndo_eth_ioctl = asix_ioctl, 201 .ndo_set_rx_mode = ax88172_set_multicast, 202 }; 203 204 static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits) 205 { 206 unsigned int timeout = 5000; 207 208 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits); 209 210 /* give phy_id a chance to process reset */ 211 udelay(500); 212 213 /* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */ 214 while (timeout--) { 215 if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR) 216 & BMCR_RESET) 217 udelay(100); 218 else 219 return; 220 } 221 222 netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n", 223 dev->mii.phy_id); 224 } 225 226 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) 227 { 228 int ret = 0; 229 u8 buf[ETH_ALEN] = {0}; 230 int i; 231 unsigned long gpio_bits = dev->driver_info->data; 232 233 usbnet_get_endpoints(dev,intf); 234 235 /* Toggle the GPIOs in a manufacturer/model specific way */ 236 for (i = 2; i >= 0; i--) { 237 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, 238 (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0); 239 if (ret < 0) 240 goto out; 241 msleep(5); 242 } 243 244 ret = asix_write_rx_ctl(dev, 0x80, 0); 245 if (ret < 0) 246 goto out; 247 248 /* Get the MAC address */ 249 ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 250 0, 0, ETH_ALEN, buf, 0); 251 if (ret < 0) { 252 netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n", 253 ret); 254 goto out; 255 } 256 257 asix_set_netdev_dev_addr(dev, buf); 258 259 /* Initialize MII structure */ 260 dev->mii.dev = dev->net; 261 dev->mii.mdio_read = asix_mdio_read; 262 dev->mii.mdio_write = asix_mdio_write; 263 dev->mii.phy_id_mask = 0x3f; 264 dev->mii.reg_num_mask = 0x1f; 265 266 dev->mii.phy_id = asix_read_phy_addr(dev, true); 267 if (dev->mii.phy_id < 0) 268 return dev->mii.phy_id; 269 270 dev->net->netdev_ops = &ax88172_netdev_ops; 271 dev->net->ethtool_ops = &ax88172_ethtool_ops; 272 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ 273 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */ 274 275 asix_phy_reset(dev, BMCR_RESET); 276 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 277 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); 278 mii_nway_restart(&dev->mii); 279 280 return 0; 281 282 out: 283 return ret; 284 } 285 286 static void ax88772_ethtool_get_strings(struct net_device *netdev, u32 sset, 287 u8 *data) 288 { 289 switch (sset) { 290 case ETH_SS_TEST: 291 net_selftest_get_strings(data); 292 break; 293 } 294 } 295 296 static int ax88772_ethtool_get_sset_count(struct net_device *ndev, int sset) 297 { 298 switch (sset) { 299 case ETH_SS_TEST: 300 return net_selftest_get_count(); 301 default: 302 return -EOPNOTSUPP; 303 } 304 } 305 306 static void ax88772_ethtool_get_pauseparam(struct net_device *ndev, 307 struct ethtool_pauseparam *pause) 308 { 309 struct usbnet *dev = netdev_priv(ndev); 310 struct asix_common_private *priv = dev->driver_priv; 311 312 phylink_ethtool_get_pauseparam(priv->phylink, pause); 313 } 314 315 static int ax88772_ethtool_set_pauseparam(struct net_device *ndev, 316 struct ethtool_pauseparam *pause) 317 { 318 struct usbnet *dev = netdev_priv(ndev); 319 struct asix_common_private *priv = dev->driver_priv; 320 321 return phylink_ethtool_set_pauseparam(priv->phylink, pause); 322 } 323 324 static const struct ethtool_ops ax88772_ethtool_ops = { 325 .get_drvinfo = asix_get_drvinfo, 326 .get_link = usbnet_get_link, 327 .get_msglevel = usbnet_get_msglevel, 328 .set_msglevel = usbnet_set_msglevel, 329 .get_wol = asix_get_wol, 330 .set_wol = asix_set_wol, 331 .get_eeprom_len = asix_get_eeprom_len, 332 .get_eeprom = asix_get_eeprom, 333 .set_eeprom = asix_set_eeprom, 334 .nway_reset = phy_ethtool_nway_reset, 335 .get_link_ksettings = phy_ethtool_get_link_ksettings, 336 .set_link_ksettings = phy_ethtool_set_link_ksettings, 337 .self_test = net_selftest, 338 .get_strings = ax88772_ethtool_get_strings, 339 .get_sset_count = ax88772_ethtool_get_sset_count, 340 .get_pauseparam = ax88772_ethtool_get_pauseparam, 341 .set_pauseparam = ax88772_ethtool_set_pauseparam, 342 }; 343 344 static int ax88772_reset(struct usbnet *dev) 345 { 346 struct asix_data *data = (struct asix_data *)&dev->data; 347 struct asix_common_private *priv = dev->driver_priv; 348 int ret; 349 350 /* Rewrite MAC address */ 351 ether_addr_copy(data->mac_addr, dev->net->dev_addr); 352 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, 353 ETH_ALEN, data->mac_addr, 0); 354 if (ret < 0) 355 goto out; 356 357 /* Set RX_CTL to default values with 2k buffer, and enable cactus */ 358 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0); 359 if (ret < 0) 360 goto out; 361 362 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0); 363 if (ret < 0) 364 goto out; 365 366 phylink_start(priv->phylink); 367 368 return 0; 369 370 out: 371 return ret; 372 } 373 374 static int ax88772_hw_reset(struct usbnet *dev, int in_pm) 375 { 376 struct asix_data *data = (struct asix_data *)&dev->data; 377 struct asix_common_private *priv = dev->driver_priv; 378 u16 rx_ctl; 379 int ret; 380 381 ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 | 382 AX_GPIO_GPO2EN, 5, in_pm); 383 if (ret < 0) 384 goto out; 385 386 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy, 387 0, 0, NULL, in_pm); 388 if (ret < 0) { 389 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); 390 goto out; 391 } 392 393 if (priv->embd_phy) { 394 ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm); 395 if (ret < 0) 396 goto out; 397 398 usleep_range(10000, 11000); 399 400 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm); 401 if (ret < 0) 402 goto out; 403 404 msleep(60); 405 406 ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL, 407 in_pm); 408 if (ret < 0) 409 goto out; 410 } else { 411 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL, 412 in_pm); 413 if (ret < 0) 414 goto out; 415 } 416 417 msleep(150); 418 419 if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id, 420 MII_PHYSID1))){ 421 ret = -EIO; 422 goto out; 423 } 424 425 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); 426 if (ret < 0) 427 goto out; 428 429 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm); 430 if (ret < 0) 431 goto out; 432 433 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, 434 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, 435 AX88772_IPG2_DEFAULT, 0, NULL, in_pm); 436 if (ret < 0) { 437 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); 438 goto out; 439 } 440 441 /* Rewrite MAC address */ 442 ether_addr_copy(data->mac_addr, dev->net->dev_addr); 443 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, 444 ETH_ALEN, data->mac_addr, in_pm); 445 if (ret < 0) 446 goto out; 447 448 /* Set RX_CTL to default values with 2k buffer, and enable cactus */ 449 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); 450 if (ret < 0) 451 goto out; 452 453 rx_ctl = asix_read_rx_ctl(dev, in_pm); 454 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", 455 rx_ctl); 456 457 rx_ctl = asix_read_medium_status(dev, in_pm); 458 netdev_dbg(dev->net, 459 "Medium Status is 0x%04x after all initializations\n", 460 rx_ctl); 461 462 return 0; 463 464 out: 465 return ret; 466 } 467 468 static int ax88772a_hw_reset(struct usbnet *dev, int in_pm) 469 { 470 struct asix_data *data = (struct asix_data *)&dev->data; 471 struct asix_common_private *priv = dev->driver_priv; 472 u16 rx_ctl, phy14h, phy15h, phy16h; 473 int ret; 474 475 ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm); 476 if (ret < 0) 477 goto out; 478 479 ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy | 480 AX_PHYSEL_SSEN, 0, 0, NULL, in_pm); 481 if (ret < 0) { 482 netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); 483 goto out; 484 } 485 usleep_range(10000, 11000); 486 487 ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm); 488 if (ret < 0) 489 goto out; 490 491 usleep_range(10000, 11000); 492 493 ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm); 494 if (ret < 0) 495 goto out; 496 497 msleep(160); 498 499 ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm); 500 if (ret < 0) 501 goto out; 502 503 ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm); 504 if (ret < 0) 505 goto out; 506 507 msleep(200); 508 509 if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id, 510 MII_PHYSID1))) { 511 ret = -1; 512 goto out; 513 } 514 515 if (priv->chipcode == AX_AX88772B_CHIPCODE) { 516 ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001, 517 0, NULL, in_pm); 518 if (ret < 0) { 519 netdev_dbg(dev->net, "Write BQ setting failed: %d\n", 520 ret); 521 goto out; 522 } 523 } else if (priv->chipcode == AX_AX88772A_CHIPCODE) { 524 /* Check if the PHY registers have default settings */ 525 phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, 526 AX88772A_PHY14H); 527 phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, 528 AX88772A_PHY15H); 529 phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id, 530 AX88772A_PHY16H); 531 532 netdev_dbg(dev->net, 533 "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n", 534 phy14h, phy15h, phy16h); 535 536 /* Restore PHY registers default setting if not */ 537 if (phy14h != AX88772A_PHY14H_DEFAULT) 538 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, 539 AX88772A_PHY14H, 540 AX88772A_PHY14H_DEFAULT); 541 if (phy15h != AX88772A_PHY15H_DEFAULT) 542 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, 543 AX88772A_PHY15H, 544 AX88772A_PHY15H_DEFAULT); 545 if (phy16h != AX88772A_PHY16H_DEFAULT) 546 asix_mdio_write_nopm(dev->net, dev->mii.phy_id, 547 AX88772A_PHY16H, 548 AX88772A_PHY16H_DEFAULT); 549 } 550 551 ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0, 552 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT, 553 AX88772_IPG2_DEFAULT, 0, NULL, in_pm); 554 if (ret < 0) { 555 netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); 556 goto out; 557 } 558 559 /* Rewrite MAC address */ 560 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); 561 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, 562 data->mac_addr, in_pm); 563 if (ret < 0) 564 goto out; 565 566 /* Set RX_CTL to default values with 2k buffer, and enable cactus */ 567 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); 568 if (ret < 0) 569 goto out; 570 571 ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm); 572 if (ret < 0) 573 return ret; 574 575 /* Set RX_CTL to default values with 2k buffer, and enable cactus */ 576 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm); 577 if (ret < 0) 578 goto out; 579 580 rx_ctl = asix_read_rx_ctl(dev, in_pm); 581 netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", 582 rx_ctl); 583 584 rx_ctl = asix_read_medium_status(dev, in_pm); 585 netdev_dbg(dev->net, 586 "Medium Status is 0x%04x after all initializations\n", 587 rx_ctl); 588 589 return 0; 590 591 out: 592 return ret; 593 } 594 595 static const struct net_device_ops ax88772_netdev_ops = { 596 .ndo_open = usbnet_open, 597 .ndo_stop = usbnet_stop, 598 .ndo_start_xmit = usbnet_start_xmit, 599 .ndo_tx_timeout = usbnet_tx_timeout, 600 .ndo_change_mtu = usbnet_change_mtu, 601 .ndo_get_stats64 = dev_get_tstats64, 602 .ndo_set_mac_address = asix_set_mac_address, 603 .ndo_validate_addr = eth_validate_addr, 604 .ndo_eth_ioctl = phy_do_ioctl_running, 605 .ndo_set_rx_mode = asix_set_multicast, 606 }; 607 608 static void ax88772_suspend(struct usbnet *dev) 609 { 610 struct asix_common_private *priv = dev->driver_priv; 611 u16 medium; 612 613 if (netif_running(dev->net)) { 614 rtnl_lock(); 615 phylink_suspend(priv->phylink, false); 616 rtnl_unlock(); 617 } 618 619 /* Stop MAC operation */ 620 medium = asix_read_medium_status(dev, 1); 621 medium &= ~AX_MEDIUM_RE; 622 asix_write_medium_mode(dev, medium, 1); 623 624 netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n", 625 asix_read_medium_status(dev, 1)); 626 } 627 628 static int asix_suspend(struct usb_interface *intf, pm_message_t message) 629 { 630 struct usbnet *dev = usb_get_intfdata(intf); 631 struct asix_common_private *priv = dev->driver_priv; 632 633 if (priv && priv->suspend) 634 priv->suspend(dev); 635 636 return usbnet_suspend(intf, message); 637 } 638 639 static void ax88772_resume(struct usbnet *dev) 640 { 641 struct asix_common_private *priv = dev->driver_priv; 642 int i; 643 644 for (i = 0; i < 3; i++) 645 if (!priv->reset(dev, 1)) 646 break; 647 648 if (netif_running(dev->net)) { 649 rtnl_lock(); 650 phylink_resume(priv->phylink); 651 rtnl_unlock(); 652 } 653 } 654 655 static int asix_resume(struct usb_interface *intf) 656 { 657 struct usbnet *dev = usb_get_intfdata(intf); 658 struct asix_common_private *priv = dev->driver_priv; 659 660 if (priv && priv->resume) 661 priv->resume(dev); 662 663 return usbnet_resume(intf); 664 } 665 666 static int ax88772_init_mdio(struct usbnet *dev) 667 { 668 struct asix_common_private *priv = dev->driver_priv; 669 int ret; 670 671 priv->mdio = mdiobus_alloc(); 672 if (!priv->mdio) 673 return -ENOMEM; 674 675 priv->mdio->priv = dev; 676 priv->mdio->read = &asix_mdio_bus_read; 677 priv->mdio->write = &asix_mdio_bus_write; 678 priv->mdio->name = "Asix MDIO Bus"; 679 /* mii bus name is usb-<usb bus number>-<usb device number> */ 680 snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "usb-%03d:%03d", 681 dev->udev->bus->busnum, dev->udev->devnum); 682 683 ret = mdiobus_register(priv->mdio); 684 if (ret) { 685 netdev_err(dev->net, "Could not register MDIO bus (err %d)\n", ret); 686 mdiobus_free(priv->mdio); 687 priv->mdio = NULL; 688 } 689 690 return ret; 691 } 692 693 static void ax88772_mdio_unregister(struct asix_common_private *priv) 694 { 695 mdiobus_unregister(priv->mdio); 696 mdiobus_free(priv->mdio); 697 } 698 699 static int ax88772_init_phy(struct usbnet *dev) 700 { 701 struct asix_common_private *priv = dev->driver_priv; 702 int ret; 703 704 priv->phydev = mdiobus_get_phy(priv->mdio, priv->phy_addr); 705 if (!priv->phydev) { 706 netdev_err(dev->net, "Could not find PHY\n"); 707 return -ENODEV; 708 } 709 710 ret = phylink_connect_phy(priv->phylink, priv->phydev); 711 if (ret) { 712 netdev_err(dev->net, "Could not connect PHY\n"); 713 return ret; 714 } 715 716 phy_suspend(priv->phydev); 717 priv->phydev->mac_managed_pm = true; 718 719 phy_attached_info(priv->phydev); 720 721 if (priv->embd_phy) 722 return 0; 723 724 /* In case main PHY is not the embedded PHY and MAC is RMII clock 725 * provider, we need to suspend embedded PHY by keeping PLL enabled 726 * (AX_SWRESET_IPPD == 0). 727 */ 728 priv->phydev_int = mdiobus_get_phy(priv->mdio, AX_EMBD_PHY_ADDR); 729 if (!priv->phydev_int) { 730 rtnl_lock(); 731 phylink_disconnect_phy(priv->phylink); 732 rtnl_unlock(); 733 netdev_err(dev->net, "Could not find internal PHY\n"); 734 return -ENODEV; 735 } 736 737 priv->phydev_int->mac_managed_pm = true; 738 phy_suspend(priv->phydev_int); 739 740 return 0; 741 } 742 743 static void ax88772_mac_config(struct phylink_config *config, unsigned int mode, 744 const struct phylink_link_state *state) 745 { 746 /* Nothing to do */ 747 } 748 749 static void ax88772_mac_link_down(struct phylink_config *config, 750 unsigned int mode, phy_interface_t interface) 751 { 752 struct usbnet *dev = netdev_priv(to_net_dev(config->dev)); 753 754 asix_write_medium_mode(dev, 0, 0); 755 usbnet_link_change(dev, false, false); 756 } 757 758 static void ax88772_mac_link_up(struct phylink_config *config, 759 struct phy_device *phy, 760 unsigned int mode, phy_interface_t interface, 761 int speed, int duplex, 762 bool tx_pause, bool rx_pause) 763 { 764 struct usbnet *dev = netdev_priv(to_net_dev(config->dev)); 765 u16 m = AX_MEDIUM_AC | AX_MEDIUM_RE; 766 767 m |= duplex ? AX_MEDIUM_FD : 0; 768 769 switch (speed) { 770 case SPEED_100: 771 m |= AX_MEDIUM_PS; 772 break; 773 case SPEED_10: 774 break; 775 default: 776 return; 777 } 778 779 if (tx_pause) 780 m |= AX_MEDIUM_TFC; 781 782 if (rx_pause) 783 m |= AX_MEDIUM_RFC; 784 785 asix_write_medium_mode(dev, m, 0); 786 usbnet_link_change(dev, true, false); 787 } 788 789 static const struct phylink_mac_ops ax88772_phylink_mac_ops = { 790 .mac_config = ax88772_mac_config, 791 .mac_link_down = ax88772_mac_link_down, 792 .mac_link_up = ax88772_mac_link_up, 793 }; 794 795 static int ax88772_phylink_setup(struct usbnet *dev) 796 { 797 struct asix_common_private *priv = dev->driver_priv; 798 phy_interface_t phy_if_mode; 799 struct phylink *phylink; 800 801 priv->phylink_config.dev = &dev->net->dev; 802 priv->phylink_config.type = PHYLINK_NETDEV; 803 priv->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_ASYM_PAUSE | 804 MAC_10 | MAC_100; 805 806 __set_bit(PHY_INTERFACE_MODE_INTERNAL, 807 priv->phylink_config.supported_interfaces); 808 __set_bit(PHY_INTERFACE_MODE_RMII, 809 priv->phylink_config.supported_interfaces); 810 811 if (priv->embd_phy) 812 phy_if_mode = PHY_INTERFACE_MODE_INTERNAL; 813 else 814 phy_if_mode = PHY_INTERFACE_MODE_RMII; 815 816 phylink = phylink_create(&priv->phylink_config, dev->net->dev.fwnode, 817 phy_if_mode, &ax88772_phylink_mac_ops); 818 if (IS_ERR(phylink)) 819 return PTR_ERR(phylink); 820 821 priv->phylink = phylink; 822 return 0; 823 } 824 825 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) 826 { 827 struct asix_common_private *priv; 828 u8 buf[ETH_ALEN] = {0}; 829 int ret, i; 830 831 priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL); 832 if (!priv) 833 return -ENOMEM; 834 835 dev->driver_priv = priv; 836 837 usbnet_get_endpoints(dev, intf); 838 839 /* Maybe the boot loader passed the MAC address via device tree */ 840 if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) { 841 netif_dbg(dev, ifup, dev->net, 842 "MAC address read from device tree"); 843 } else { 844 /* Try getting the MAC address from EEPROM */ 845 if (dev->driver_info->data & FLAG_EEPROM_MAC) { 846 for (i = 0; i < (ETH_ALEN >> 1); i++) { 847 ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 848 0x04 + i, 0, 2, buf + i * 2, 849 0); 850 if (ret < 0) 851 break; 852 } 853 } else { 854 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 855 0, 0, ETH_ALEN, buf, 0); 856 } 857 858 if (ret < 0) { 859 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", 860 ret); 861 return ret; 862 } 863 } 864 865 asix_set_netdev_dev_addr(dev, buf); 866 867 dev->net->netdev_ops = &ax88772_netdev_ops; 868 dev->net->ethtool_ops = &ax88772_ethtool_ops; 869 dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */ 870 dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */ 871 872 ret = asix_read_phy_addr(dev, true); 873 if (ret < 0) 874 return ret; 875 876 priv->phy_addr = ret; 877 priv->embd_phy = ((priv->phy_addr & 0x1f) == AX_EMBD_PHY_ADDR); 878 879 ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1, 880 &priv->chipcode, 0); 881 if (ret < 0) { 882 netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret); 883 return ret; 884 } 885 886 priv->chipcode &= AX_CHIPCODE_MASK; 887 888 priv->resume = ax88772_resume; 889 priv->suspend = ax88772_suspend; 890 if (priv->chipcode == AX_AX88772_CHIPCODE) 891 priv->reset = ax88772_hw_reset; 892 else 893 priv->reset = ax88772a_hw_reset; 894 895 ret = priv->reset(dev, 0); 896 if (ret < 0) { 897 netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret); 898 return ret; 899 } 900 901 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ 902 if (dev->driver_info->flags & FLAG_FRAMING_AX) { 903 /* hard_mtu is still the default - the device does not support 904 jumbo eth frames */ 905 dev->rx_urb_size = 2048; 906 } 907 908 priv->presvd_phy_bmcr = 0; 909 priv->presvd_phy_advertise = 0; 910 911 ret = ax88772_init_mdio(dev); 912 if (ret) 913 goto mdio_err; 914 915 ret = ax88772_phylink_setup(dev); 916 if (ret) 917 goto phylink_err; 918 919 ret = ax88772_init_phy(dev); 920 if (ret) 921 goto initphy_err; 922 923 return 0; 924 925 initphy_err: 926 phylink_destroy(priv->phylink); 927 phylink_err: 928 ax88772_mdio_unregister(priv); 929 mdio_err: 930 return ret; 931 } 932 933 static int ax88772_stop(struct usbnet *dev) 934 { 935 struct asix_common_private *priv = dev->driver_priv; 936 937 phylink_stop(priv->phylink); 938 939 return 0; 940 } 941 942 static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf) 943 { 944 struct asix_common_private *priv = dev->driver_priv; 945 946 rtnl_lock(); 947 phylink_disconnect_phy(priv->phylink); 948 rtnl_unlock(); 949 phylink_destroy(priv->phylink); 950 ax88772_mdio_unregister(priv); 951 asix_rx_fixup_common_free(dev->driver_priv); 952 } 953 954 static void ax88178_unbind(struct usbnet *dev, struct usb_interface *intf) 955 { 956 asix_rx_fixup_common_free(dev->driver_priv); 957 kfree(dev->driver_priv); 958 } 959 960 static const struct ethtool_ops ax88178_ethtool_ops = { 961 .get_drvinfo = asix_get_drvinfo, 962 .get_link = asix_get_link, 963 .get_msglevel = usbnet_get_msglevel, 964 .set_msglevel = usbnet_set_msglevel, 965 .get_wol = asix_get_wol, 966 .set_wol = asix_set_wol, 967 .get_eeprom_len = asix_get_eeprom_len, 968 .get_eeprom = asix_get_eeprom, 969 .set_eeprom = asix_set_eeprom, 970 .nway_reset = usbnet_nway_reset, 971 .get_link_ksettings = usbnet_get_link_ksettings_mii, 972 .set_link_ksettings = usbnet_set_link_ksettings_mii, 973 }; 974 975 static int marvell_phy_init(struct usbnet *dev) 976 { 977 struct asix_data *data = (struct asix_data *)&dev->data; 978 u16 reg; 979 980 netdev_dbg(dev->net, "marvell_phy_init()\n"); 981 982 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS); 983 netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg); 984 985 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL, 986 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY); 987 988 if (data->ledmode) { 989 reg = asix_mdio_read(dev->net, dev->mii.phy_id, 990 MII_MARVELL_LED_CTRL); 991 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg); 992 993 reg &= 0xf8ff; 994 reg |= (1 + 0x0100); 995 asix_mdio_write(dev->net, dev->mii.phy_id, 996 MII_MARVELL_LED_CTRL, reg); 997 998 reg = asix_mdio_read(dev->net, dev->mii.phy_id, 999 MII_MARVELL_LED_CTRL); 1000 netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg); 1001 } 1002 1003 return 0; 1004 } 1005 1006 static int rtl8211cl_phy_init(struct usbnet *dev) 1007 { 1008 struct asix_data *data = (struct asix_data *)&dev->data; 1009 1010 netdev_dbg(dev->net, "rtl8211cl_phy_init()\n"); 1011 1012 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005); 1013 asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0); 1014 asix_mdio_write (dev->net, dev->mii.phy_id, 0x01, 1015 asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080); 1016 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0); 1017 1018 if (data->ledmode == 12) { 1019 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002); 1020 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb); 1021 asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0); 1022 } 1023 1024 return 0; 1025 } 1026 1027 static int marvell_led_status(struct usbnet *dev, u16 speed) 1028 { 1029 u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL); 1030 1031 netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg); 1032 1033 /* Clear out the center LED bits - 0x03F0 */ 1034 reg &= 0xfc0f; 1035 1036 switch (speed) { 1037 case SPEED_1000: 1038 reg |= 0x03e0; 1039 break; 1040 case SPEED_100: 1041 reg |= 0x03b0; 1042 break; 1043 default: 1044 reg |= 0x02f0; 1045 } 1046 1047 netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg); 1048 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg); 1049 1050 return 0; 1051 } 1052 1053 static int ax88178_reset(struct usbnet *dev) 1054 { 1055 struct asix_data *data = (struct asix_data *)&dev->data; 1056 int ret; 1057 __le16 eeprom; 1058 u8 status; 1059 int gpio0 = 0; 1060 u32 phyid; 1061 1062 ret = asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0); 1063 if (ret < 0) { 1064 netdev_dbg(dev->net, "Failed to read GPIOS: %d\n", ret); 1065 return ret; 1066 } 1067 1068 netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status); 1069 1070 asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0); 1071 ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0); 1072 if (ret < 0) { 1073 netdev_dbg(dev->net, "Failed to read EEPROM: %d\n", ret); 1074 return ret; 1075 } 1076 1077 asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0); 1078 1079 netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom); 1080 1081 if (eeprom == cpu_to_le16(0xffff)) { 1082 data->phymode = PHY_MODE_MARVELL; 1083 data->ledmode = 0; 1084 gpio0 = 1; 1085 } else { 1086 data->phymode = le16_to_cpu(eeprom) & 0x7F; 1087 data->ledmode = le16_to_cpu(eeprom) >> 8; 1088 gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1; 1089 } 1090 netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode); 1091 1092 /* Power up external GigaPHY through AX88178 GPIO pin */ 1093 asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | 1094 AX_GPIO_GPO1EN, 40, 0); 1095 if ((le16_to_cpu(eeprom) >> 8) != 1) { 1096 asix_write_gpio(dev, 0x003c, 30, 0); 1097 asix_write_gpio(dev, 0x001c, 300, 0); 1098 asix_write_gpio(dev, 0x003c, 30, 0); 1099 } else { 1100 netdev_dbg(dev->net, "gpio phymode == 1 path\n"); 1101 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0); 1102 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0); 1103 } 1104 1105 /* Read PHYID register *AFTER* powering up PHY */ 1106 phyid = asix_get_phyid(dev); 1107 netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); 1108 1109 /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */ 1110 asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0); 1111 1112 asix_sw_reset(dev, 0, 0); 1113 msleep(150); 1114 1115 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0); 1116 msleep(150); 1117 1118 asix_write_rx_ctl(dev, 0, 0); 1119 1120 if (data->phymode == PHY_MODE_MARVELL) { 1121 marvell_phy_init(dev); 1122 msleep(60); 1123 } else if (data->phymode == PHY_MODE_RTL8211CL) 1124 rtl8211cl_phy_init(dev); 1125 1126 asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE); 1127 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 1128 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); 1129 asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000, 1130 ADVERTISE_1000FULL); 1131 1132 asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0); 1133 mii_nway_restart(&dev->mii); 1134 1135 /* Rewrite MAC address */ 1136 memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); 1137 ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, 1138 data->mac_addr, 0); 1139 if (ret < 0) 1140 return ret; 1141 1142 ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0); 1143 if (ret < 0) 1144 return ret; 1145 1146 return 0; 1147 } 1148 1149 static int ax88178_link_reset(struct usbnet *dev) 1150 { 1151 u16 mode; 1152 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; 1153 struct asix_data *data = (struct asix_data *)&dev->data; 1154 u32 speed; 1155 1156 netdev_dbg(dev->net, "ax88178_link_reset()\n"); 1157 1158 mii_check_media(&dev->mii, 1, 1); 1159 mii_ethtool_gset(&dev->mii, &ecmd); 1160 mode = AX88178_MEDIUM_DEFAULT; 1161 speed = ethtool_cmd_speed(&ecmd); 1162 1163 if (speed == SPEED_1000) 1164 mode |= AX_MEDIUM_GM; 1165 else if (speed == SPEED_100) 1166 mode |= AX_MEDIUM_PS; 1167 else 1168 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM); 1169 1170 mode |= AX_MEDIUM_ENCK; 1171 1172 if (ecmd.duplex == DUPLEX_FULL) 1173 mode |= AX_MEDIUM_FD; 1174 else 1175 mode &= ~AX_MEDIUM_FD; 1176 1177 netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n", 1178 speed, ecmd.duplex, mode); 1179 1180 asix_write_medium_mode(dev, mode, 0); 1181 1182 if (data->phymode == PHY_MODE_MARVELL && data->ledmode) 1183 marvell_led_status(dev, speed); 1184 1185 return 0; 1186 } 1187 1188 static void ax88178_set_mfb(struct usbnet *dev) 1189 { 1190 u16 mfb = AX_RX_CTL_MFB_16384; 1191 u16 rxctl; 1192 u16 medium; 1193 int old_rx_urb_size = dev->rx_urb_size; 1194 1195 if (dev->hard_mtu < 2048) { 1196 dev->rx_urb_size = 2048; 1197 mfb = AX_RX_CTL_MFB_2048; 1198 } else if (dev->hard_mtu < 4096) { 1199 dev->rx_urb_size = 4096; 1200 mfb = AX_RX_CTL_MFB_4096; 1201 } else if (dev->hard_mtu < 8192) { 1202 dev->rx_urb_size = 8192; 1203 mfb = AX_RX_CTL_MFB_8192; 1204 } else if (dev->hard_mtu < 16384) { 1205 dev->rx_urb_size = 16384; 1206 mfb = AX_RX_CTL_MFB_16384; 1207 } 1208 1209 rxctl = asix_read_rx_ctl(dev, 0); 1210 asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0); 1211 1212 medium = asix_read_medium_status(dev, 0); 1213 if (dev->net->mtu > 1500) 1214 medium |= AX_MEDIUM_JFE; 1215 else 1216 medium &= ~AX_MEDIUM_JFE; 1217 asix_write_medium_mode(dev, medium, 0); 1218 1219 if (dev->rx_urb_size > old_rx_urb_size) 1220 usbnet_unlink_rx_urbs(dev); 1221 } 1222 1223 static int ax88178_change_mtu(struct net_device *net, int new_mtu) 1224 { 1225 struct usbnet *dev = netdev_priv(net); 1226 int ll_mtu = new_mtu + net->hard_header_len + 4; 1227 1228 netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu); 1229 1230 if ((ll_mtu % dev->maxpacket) == 0) 1231 return -EDOM; 1232 1233 net->mtu = new_mtu; 1234 dev->hard_mtu = net->mtu + net->hard_header_len; 1235 ax88178_set_mfb(dev); 1236 1237 /* max qlen depend on hard_mtu and rx_urb_size */ 1238 usbnet_update_max_qlen(dev); 1239 1240 return 0; 1241 } 1242 1243 static const struct net_device_ops ax88178_netdev_ops = { 1244 .ndo_open = usbnet_open, 1245 .ndo_stop = usbnet_stop, 1246 .ndo_start_xmit = usbnet_start_xmit, 1247 .ndo_tx_timeout = usbnet_tx_timeout, 1248 .ndo_get_stats64 = dev_get_tstats64, 1249 .ndo_set_mac_address = asix_set_mac_address, 1250 .ndo_validate_addr = eth_validate_addr, 1251 .ndo_set_rx_mode = asix_set_multicast, 1252 .ndo_eth_ioctl = asix_ioctl, 1253 .ndo_change_mtu = ax88178_change_mtu, 1254 }; 1255 1256 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) 1257 { 1258 int ret; 1259 u8 buf[ETH_ALEN] = {0}; 1260 1261 usbnet_get_endpoints(dev,intf); 1262 1263 /* Get the MAC address */ 1264 ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0); 1265 if (ret < 0) { 1266 netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); 1267 return ret; 1268 } 1269 1270 asix_set_netdev_dev_addr(dev, buf); 1271 1272 /* Initialize MII structure */ 1273 dev->mii.dev = dev->net; 1274 dev->mii.mdio_read = asix_mdio_read; 1275 dev->mii.mdio_write = asix_mdio_write; 1276 dev->mii.phy_id_mask = 0x1f; 1277 dev->mii.reg_num_mask = 0xff; 1278 dev->mii.supports_gmii = 1; 1279 1280 dev->mii.phy_id = asix_read_phy_addr(dev, true); 1281 if (dev->mii.phy_id < 0) 1282 return dev->mii.phy_id; 1283 1284 dev->net->netdev_ops = &ax88178_netdev_ops; 1285 dev->net->ethtool_ops = &ax88178_ethtool_ops; 1286 dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4); 1287 1288 /* Blink LEDS so users know driver saw dongle */ 1289 asix_sw_reset(dev, 0, 0); 1290 msleep(150); 1291 1292 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0); 1293 msleep(150); 1294 1295 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ 1296 if (dev->driver_info->flags & FLAG_FRAMING_AX) { 1297 /* hard_mtu is still the default - the device does not support 1298 jumbo eth frames */ 1299 dev->rx_urb_size = 2048; 1300 } 1301 1302 dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL); 1303 if (!dev->driver_priv) 1304 return -ENOMEM; 1305 1306 return 0; 1307 } 1308 1309 static const struct driver_info ax8817x_info = { 1310 .description = "ASIX AX8817x USB 2.0 Ethernet", 1311 .bind = ax88172_bind, 1312 .status = asix_status, 1313 .link_reset = ax88172_link_reset, 1314 .reset = ax88172_link_reset, 1315 .flags = FLAG_ETHER | FLAG_LINK_INTR, 1316 .data = 0x00130103, 1317 }; 1318 1319 static const struct driver_info dlink_dub_e100_info = { 1320 .description = "DLink DUB-E100 USB Ethernet", 1321 .bind = ax88172_bind, 1322 .status = asix_status, 1323 .link_reset = ax88172_link_reset, 1324 .reset = ax88172_link_reset, 1325 .flags = FLAG_ETHER | FLAG_LINK_INTR, 1326 .data = 0x009f9d9f, 1327 }; 1328 1329 static const struct driver_info netgear_fa120_info = { 1330 .description = "Netgear FA-120 USB Ethernet", 1331 .bind = ax88172_bind, 1332 .status = asix_status, 1333 .link_reset = ax88172_link_reset, 1334 .reset = ax88172_link_reset, 1335 .flags = FLAG_ETHER | FLAG_LINK_INTR, 1336 .data = 0x00130103, 1337 }; 1338 1339 static const struct driver_info hawking_uf200_info = { 1340 .description = "Hawking UF200 USB Ethernet", 1341 .bind = ax88172_bind, 1342 .status = asix_status, 1343 .link_reset = ax88172_link_reset, 1344 .reset = ax88172_link_reset, 1345 .flags = FLAG_ETHER | FLAG_LINK_INTR, 1346 .data = 0x001f1d1f, 1347 }; 1348 1349 static const struct driver_info ax88772_info = { 1350 .description = "ASIX AX88772 USB 2.0 Ethernet", 1351 .bind = ax88772_bind, 1352 .unbind = ax88772_unbind, 1353 .status = asix_status, 1354 .reset = ax88772_reset, 1355 .stop = ax88772_stop, 1356 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET, 1357 .rx_fixup = asix_rx_fixup_common, 1358 .tx_fixup = asix_tx_fixup, 1359 }; 1360 1361 static const struct driver_info ax88772b_info = { 1362 .description = "ASIX AX88772B USB 2.0 Ethernet", 1363 .bind = ax88772_bind, 1364 .unbind = ax88772_unbind, 1365 .status = asix_status, 1366 .reset = ax88772_reset, 1367 .stop = ax88772_stop, 1368 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 1369 FLAG_MULTI_PACKET, 1370 .rx_fixup = asix_rx_fixup_common, 1371 .tx_fixup = asix_tx_fixup, 1372 .data = FLAG_EEPROM_MAC, 1373 }; 1374 1375 static const struct driver_info lxausb_t1l_info = { 1376 .description = "Linux Automation GmbH USB 10Base-T1L", 1377 .bind = ax88772_bind, 1378 .unbind = ax88772_unbind, 1379 .status = asix_status, 1380 .reset = ax88772_reset, 1381 .stop = ax88772_stop, 1382 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 1383 FLAG_MULTI_PACKET, 1384 .rx_fixup = asix_rx_fixup_common, 1385 .tx_fixup = asix_tx_fixup, 1386 .data = FLAG_EEPROM_MAC, 1387 }; 1388 1389 static const struct driver_info ax88178_info = { 1390 .description = "ASIX AX88178 USB 2.0 Ethernet", 1391 .bind = ax88178_bind, 1392 .unbind = ax88178_unbind, 1393 .status = asix_status, 1394 .link_reset = ax88178_link_reset, 1395 .reset = ax88178_reset, 1396 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 1397 FLAG_MULTI_PACKET, 1398 .rx_fixup = asix_rx_fixup_common, 1399 .tx_fixup = asix_tx_fixup, 1400 }; 1401 1402 /* 1403 * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in 1404 * no-name packaging. 1405 * USB device strings are: 1406 * 1: Manufacturer: USBLINK 1407 * 2: Product: HG20F9 USB2.0 1408 * 3: Serial: 000003 1409 * Appears to be compatible with Asix 88772B. 1410 */ 1411 static const struct driver_info hg20f9_info = { 1412 .description = "HG20F9 USB 2.0 Ethernet", 1413 .bind = ax88772_bind, 1414 .unbind = ax88772_unbind, 1415 .status = asix_status, 1416 .reset = ax88772_reset, 1417 .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | 1418 FLAG_MULTI_PACKET, 1419 .rx_fixup = asix_rx_fixup_common, 1420 .tx_fixup = asix_tx_fixup, 1421 .data = FLAG_EEPROM_MAC, 1422 }; 1423 1424 static const struct usb_device_id products [] = { 1425 { 1426 // Linksys USB200M 1427 USB_DEVICE (0x077b, 0x2226), 1428 .driver_info = (unsigned long) &ax8817x_info, 1429 }, { 1430 // Netgear FA120 1431 USB_DEVICE (0x0846, 0x1040), 1432 .driver_info = (unsigned long) &netgear_fa120_info, 1433 }, { 1434 // DLink DUB-E100 1435 USB_DEVICE (0x2001, 0x1a00), 1436 .driver_info = (unsigned long) &dlink_dub_e100_info, 1437 }, { 1438 // Intellinet, ST Lab USB Ethernet 1439 USB_DEVICE (0x0b95, 0x1720), 1440 .driver_info = (unsigned long) &ax8817x_info, 1441 }, { 1442 // Hawking UF200, TrendNet TU2-ET100 1443 USB_DEVICE (0x07b8, 0x420a), 1444 .driver_info = (unsigned long) &hawking_uf200_info, 1445 }, { 1446 // Billionton Systems, USB2AR 1447 USB_DEVICE (0x08dd, 0x90ff), 1448 .driver_info = (unsigned long) &ax8817x_info, 1449 }, { 1450 // Billionton Systems, GUSB2AM-1G-B 1451 USB_DEVICE(0x08dd, 0x0114), 1452 .driver_info = (unsigned long) &ax88178_info, 1453 }, { 1454 // ATEN UC210T 1455 USB_DEVICE (0x0557, 0x2009), 1456 .driver_info = (unsigned long) &ax8817x_info, 1457 }, { 1458 // Buffalo LUA-U2-KTX 1459 USB_DEVICE (0x0411, 0x003d), 1460 .driver_info = (unsigned long) &ax8817x_info, 1461 }, { 1462 // Buffalo LUA-U2-GT 10/100/1000 1463 USB_DEVICE (0x0411, 0x006e), 1464 .driver_info = (unsigned long) &ax88178_info, 1465 }, { 1466 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter" 1467 USB_DEVICE (0x6189, 0x182d), 1468 .driver_info = (unsigned long) &ax8817x_info, 1469 }, { 1470 // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter" 1471 USB_DEVICE (0x0df6, 0x0056), 1472 .driver_info = (unsigned long) &ax88178_info, 1473 }, { 1474 // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter" 1475 USB_DEVICE (0x0df6, 0x061c), 1476 .driver_info = (unsigned long) &ax88178_info, 1477 }, { 1478 // corega FEther USB2-TX 1479 USB_DEVICE (0x07aa, 0x0017), 1480 .driver_info = (unsigned long) &ax8817x_info, 1481 }, { 1482 // Surecom EP-1427X-2 1483 USB_DEVICE (0x1189, 0x0893), 1484 .driver_info = (unsigned long) &ax8817x_info, 1485 }, { 1486 // goodway corp usb gwusb2e 1487 USB_DEVICE (0x1631, 0x6200), 1488 .driver_info = (unsigned long) &ax8817x_info, 1489 }, { 1490 // JVC MP-PRX1 Port Replicator 1491 USB_DEVICE (0x04f1, 0x3008), 1492 .driver_info = (unsigned long) &ax8817x_info, 1493 }, { 1494 // Lenovo U2L100P 10/100 1495 USB_DEVICE (0x17ef, 0x7203), 1496 .driver_info = (unsigned long)&ax88772b_info, 1497 }, { 1498 // ASIX AX88772B 10/100 1499 USB_DEVICE (0x0b95, 0x772b), 1500 .driver_info = (unsigned long) &ax88772b_info, 1501 }, { 1502 // ASIX AX88772 10/100 1503 USB_DEVICE (0x0b95, 0x7720), 1504 .driver_info = (unsigned long) &ax88772_info, 1505 }, { 1506 // ASIX AX88178 10/100/1000 1507 USB_DEVICE (0x0b95, 0x1780), 1508 .driver_info = (unsigned long) &ax88178_info, 1509 }, { 1510 // Logitec LAN-GTJ/U2A 1511 USB_DEVICE (0x0789, 0x0160), 1512 .driver_info = (unsigned long) &ax88178_info, 1513 }, { 1514 // Linksys USB200M Rev 2 1515 USB_DEVICE (0x13b1, 0x0018), 1516 .driver_info = (unsigned long) &ax88772_info, 1517 }, { 1518 // 0Q0 cable ethernet 1519 USB_DEVICE (0x1557, 0x7720), 1520 .driver_info = (unsigned long) &ax88772_info, 1521 }, { 1522 // DLink DUB-E100 H/W Ver B1 1523 USB_DEVICE (0x07d1, 0x3c05), 1524 .driver_info = (unsigned long) &ax88772_info, 1525 }, { 1526 // DLink DUB-E100 H/W Ver B1 Alternate 1527 USB_DEVICE (0x2001, 0x3c05), 1528 .driver_info = (unsigned long) &ax88772_info, 1529 }, { 1530 // DLink DUB-E100 H/W Ver C1 1531 USB_DEVICE (0x2001, 0x1a02), 1532 .driver_info = (unsigned long) &ax88772_info, 1533 }, { 1534 // Linksys USB1000 1535 USB_DEVICE (0x1737, 0x0039), 1536 .driver_info = (unsigned long) &ax88178_info, 1537 }, { 1538 // IO-DATA ETG-US2 1539 USB_DEVICE (0x04bb, 0x0930), 1540 .driver_info = (unsigned long) &ax88178_info, 1541 }, { 1542 // Belkin F5D5055 1543 USB_DEVICE(0x050d, 0x5055), 1544 .driver_info = (unsigned long) &ax88178_info, 1545 }, { 1546 // Apple USB Ethernet Adapter 1547 USB_DEVICE(0x05ac, 0x1402), 1548 .driver_info = (unsigned long) &ax88772_info, 1549 }, { 1550 // Cables-to-Go USB Ethernet Adapter 1551 USB_DEVICE(0x0b95, 0x772a), 1552 .driver_info = (unsigned long) &ax88772_info, 1553 }, { 1554 // ABOCOM for pci 1555 USB_DEVICE(0x14ea, 0xab11), 1556 .driver_info = (unsigned long) &ax88178_info, 1557 }, { 1558 // ASIX 88772a 1559 USB_DEVICE(0x0db0, 0xa877), 1560 .driver_info = (unsigned long) &ax88772_info, 1561 }, { 1562 // Asus USB Ethernet Adapter 1563 USB_DEVICE (0x0b95, 0x7e2b), 1564 .driver_info = (unsigned long)&ax88772b_info, 1565 }, { 1566 /* ASIX 88172a demo board */ 1567 USB_DEVICE(0x0b95, 0x172a), 1568 .driver_info = (unsigned long) &ax88172a_info, 1569 }, { 1570 /* 1571 * USBLINK HG20F9 "USB 2.0 LAN" 1572 * Appears to have gazumped Linksys's manufacturer ID but 1573 * doesn't (yet) conflict with any known Linksys product. 1574 */ 1575 USB_DEVICE(0x066b, 0x20f9), 1576 .driver_info = (unsigned long) &hg20f9_info, 1577 }, { 1578 // Linux Automation GmbH USB 10Base-T1L 1579 USB_DEVICE(0x33f7, 0x0004), 1580 .driver_info = (unsigned long) &lxausb_t1l_info, 1581 }, 1582 { }, // END 1583 }; 1584 MODULE_DEVICE_TABLE(usb, products); 1585 1586 static struct usb_driver asix_driver = { 1587 .name = DRIVER_NAME, 1588 .id_table = products, 1589 .probe = usbnet_probe, 1590 .suspend = asix_suspend, 1591 .resume = asix_resume, 1592 .reset_resume = asix_resume, 1593 .disconnect = usbnet_disconnect, 1594 .supports_autosuspend = 1, 1595 .disable_hub_initiated_lpm = 1, 1596 }; 1597 1598 module_usb_driver(asix_driver); 1599 1600 MODULE_AUTHOR("David Hollis"); 1601 MODULE_VERSION(DRIVER_VERSION); 1602 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices"); 1603 MODULE_LICENSE("GPL"); 1604 1605