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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/usb/asix_devices.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/usb/asix_devices.c')
-rw-r--r--drivers/net/usb/asix_devices.c1604
1 files changed, 1604 insertions, 0 deletions
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
new file mode 100644
index 0000000000..f7cff58fe0
--- /dev/null
+++ b/drivers/net/usb/asix_devices.c
@@ -0,0 +1,1604 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ASIX AX8817X based USB 2.0 Ethernet Devices
+ * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
+ * Copyright (c) 2002-2003 TiVo Inc.
+ */
+
+#include "asix.h"
+
+#define PHY_MODE_MARVELL 0x0000
+#define MII_MARVELL_LED_CTRL 0x0018
+#define MII_MARVELL_STATUS 0x001b
+#define MII_MARVELL_CTRL 0x0014
+
+#define MARVELL_LED_MANUAL 0x0019
+
+#define MARVELL_STATUS_HWCFG 0x0004
+
+#define MARVELL_CTRL_TXDELAY 0x0002
+#define MARVELL_CTRL_RXDELAY 0x0080
+
+#define PHY_MODE_RTL8211CL 0x000C
+
+#define AX88772A_PHY14H 0x14
+#define AX88772A_PHY14H_DEFAULT 0x442C
+
+#define AX88772A_PHY15H 0x15
+#define AX88772A_PHY15H_DEFAULT 0x03C8
+
+#define AX88772A_PHY16H 0x16
+#define AX88772A_PHY16H_DEFAULT 0x4044
+
+struct ax88172_int_data {
+ __le16 res1;
+ u8 link;
+ __le16 res2;
+ u8 status;
+ __le16 res3;
+} __packed;
+
+static void asix_status(struct usbnet *dev, struct urb *urb)
+{
+ struct ax88172_int_data *event;
+ int link;
+
+ if (urb->actual_length < 8)
+ return;
+
+ event = urb->transfer_buffer;
+ link = event->link & 0x01;
+ if (netif_carrier_ok(dev->net) != link) {
+ usbnet_link_change(dev, link, 1);
+ netdev_dbg(dev->net, "Link Status is: %d\n", link);
+ }
+}
+
+static void asix_set_netdev_dev_addr(struct usbnet *dev, u8 *addr)
+{
+ if (is_valid_ether_addr(addr)) {
+ eth_hw_addr_set(dev->net, addr);
+ } else {
+ netdev_info(dev->net, "invalid hw address, using random\n");
+ eth_hw_addr_random(dev->net);
+ }
+}
+
+/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
+static u32 asix_get_phyid(struct usbnet *dev)
+{
+ int phy_reg;
+ u32 phy_id;
+ int i;
+
+ /* Poll for the rare case the FW or phy isn't ready yet. */
+ for (i = 0; i < 100; i++) {
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+ if (phy_reg < 0)
+ return 0;
+ if (phy_reg != 0 && phy_reg != 0xFFFF)
+ break;
+ mdelay(1);
+ }
+
+ if (phy_reg <= 0 || phy_reg == 0xFFFF)
+ return 0;
+
+ phy_id = (phy_reg & 0xffff) << 16;
+
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
+ if (phy_reg < 0)
+ return 0;
+
+ phy_id |= (phy_reg & 0xffff);
+
+ return phy_id;
+}
+
+static u32 asix_get_link(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return mii_link_ok(&dev->mii);
+}
+
+static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+/* We need to override some ethtool_ops so we require our
+ own structure so we don't interfere with other usbnet
+ devices that may be connected at the same time. */
+static const struct ethtool_ops ax88172_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .set_eeprom = asix_set_eeprom,
+ .nway_reset = usbnet_nway_reset,
+ .get_link_ksettings = usbnet_get_link_ksettings_mii,
+ .set_link_ksettings = usbnet_set_link_ksettings_mii,
+};
+
+static void ax88172_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 rx_ctl = 0x8c;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x01;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= 0x02;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= 0x10;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int ax88172_link_reset(struct usbnet *dev)
+{
+ u8 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88172_MEDIUM_DEFAULT;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode |= ~AX88172_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode, 0);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88172_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_get_stats64 = dev_get_tstats64,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_eth_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = ax88172_set_multicast,
+};
+
+static void asix_phy_reset(struct usbnet *dev, unsigned int reset_bits)
+{
+ unsigned int timeout = 5000;
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, reset_bits);
+
+ /* give phy_id a chance to process reset */
+ udelay(500);
+
+ /* See IEEE 802.3 "22.2.4.1.1 Reset": 500ms max */
+ while (timeout--) {
+ if (asix_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR)
+ & BMCR_RESET)
+ udelay(100);
+ else
+ return;
+ }
+
+ netdev_err(dev->net, "BMCR_RESET timeout on phy_id %d\n",
+ dev->mii.phy_id);
+}
+
+static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret = 0;
+ u8 buf[ETH_ALEN] = {0};
+ int i;
+ unsigned long gpio_bits = dev->driver_info->data;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Toggle the GPIOs in a manufacturer/model specific way */
+ for (i = 2; i >= 0; i--) {
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
+ (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL, 0);
+ if (ret < 0)
+ goto out;
+ msleep(5);
+ }
+
+ ret = asix_write_rx_ctl(dev, 0x80, 0);
+ if (ret < 0)
+ goto out;
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
+ 0, 0, ETH_ALEN, buf, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "read AX_CMD_READ_NODE_ID failed: %d\n",
+ ret);
+ goto out;
+ }
+
+ asix_set_netdev_dev_addr(dev, buf);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x3f;
+ dev->mii.reg_num_mask = 0x1f;
+
+ dev->mii.phy_id = asix_read_phy_addr(dev, true);
+ if (dev->mii.phy_id < 0)
+ return dev->mii.phy_id;
+
+ dev->net->netdev_ops = &ax88172_netdev_ops;
+ dev->net->ethtool_ops = &ax88172_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ asix_phy_reset(dev, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ mii_nway_restart(&dev->mii);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static void ax88772_ethtool_get_strings(struct net_device *netdev, u32 sset,
+ u8 *data)
+{
+ switch (sset) {
+ case ETH_SS_TEST:
+ net_selftest_get_strings(data);
+ break;
+ }
+}
+
+static int ax88772_ethtool_get_sset_count(struct net_device *ndev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_TEST:
+ return net_selftest_get_count();
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void ax88772_ethtool_get_pauseparam(struct net_device *ndev,
+ struct ethtool_pauseparam *pause)
+{
+ struct usbnet *dev = netdev_priv(ndev);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ phylink_ethtool_get_pauseparam(priv->phylink, pause);
+}
+
+static int ax88772_ethtool_set_pauseparam(struct net_device *ndev,
+ struct ethtool_pauseparam *pause)
+{
+ struct usbnet *dev = netdev_priv(ndev);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ return phylink_ethtool_set_pauseparam(priv->phylink, pause);
+}
+
+static const struct ethtool_ops ax88772_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = usbnet_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .set_eeprom = asix_set_eeprom,
+ .nway_reset = phy_ethtool_nway_reset,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
+ .self_test = net_selftest,
+ .get_strings = ax88772_ethtool_get_strings,
+ .get_sset_count = ax88772_ethtool_get_sset_count,
+ .get_pauseparam = ax88772_ethtool_get_pauseparam,
+ .set_pauseparam = ax88772_ethtool_set_pauseparam,
+};
+
+static int ax88772_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct asix_common_private *priv = dev->driver_priv;
+ int ret;
+
+ /* Rewrite MAC address */
+ ether_addr_copy(data->mac_addr, dev->net->dev_addr);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
+ ETH_ALEN, data->mac_addr, 0);
+ if (ret < 0)
+ goto out;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, 0);
+ if (ret < 0)
+ goto out;
+
+ phylink_start(priv->phylink);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static int ax88772_hw_reset(struct usbnet *dev, int in_pm)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct asix_common_private *priv = dev->driver_priv;
+ u16 rx_ctl;
+ int ret;
+
+ ret = asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_2 |
+ AX_GPIO_GPO2EN, 5, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy,
+ 0, 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
+ goto out;
+ }
+
+ if (priv->embd_phy) {
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD, in_pm);
+ if (ret < 0)
+ goto out;
+
+ usleep_range(10000, 11000);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
+ if (ret < 0)
+ goto out;
+
+ msleep(60);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL,
+ in_pm);
+ if (ret < 0)
+ goto out;
+ } else {
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL,
+ in_pm);
+ if (ret < 0)
+ goto out;
+ }
+
+ msleep(150);
+
+ if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ MII_PHYSID1))){
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
+ AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
+ AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
+ goto out;
+ }
+
+ /* Rewrite MAC address */
+ ether_addr_copy(data->mac_addr, dev->net->dev_addr);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0,
+ ETH_ALEN, data->mac_addr, in_pm);
+ if (ret < 0)
+ goto out;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev, in_pm);
+ netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
+ rx_ctl);
+
+ rx_ctl = asix_read_medium_status(dev, in_pm);
+ netdev_dbg(dev->net,
+ "Medium Status is 0x%04x after all initializations\n",
+ rx_ctl);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static int ax88772a_hw_reset(struct usbnet *dev, int in_pm)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct asix_common_private *priv = dev->driver_priv;
+ u16 rx_ctl, phy14h, phy15h, phy16h;
+ int ret;
+
+ ret = asix_write_gpio(dev, AX_GPIO_RSE, 5, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, priv->embd_phy |
+ AX_PHYSEL_SSEN, 0, 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret);
+ goto out;
+ }
+ usleep_range(10000, 11000);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_IPRL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ usleep_range(10000, 11000);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ msleep(160);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ msleep(200);
+
+ if (in_pm && (!asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ MII_PHYSID1))) {
+ ret = -1;
+ goto out;
+ }
+
+ if (priv->chipcode == AX_AX88772B_CHIPCODE) {
+ ret = asix_write_cmd(dev, AX_QCTCTRL, 0x8000, 0x8001,
+ 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Write BQ setting failed: %d\n",
+ ret);
+ goto out;
+ }
+ } else if (priv->chipcode == AX_AX88772A_CHIPCODE) {
+ /* Check if the PHY registers have default settings */
+ phy14h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY14H);
+ phy15h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY15H);
+ phy16h = asix_mdio_read_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY16H);
+
+ netdev_dbg(dev->net,
+ "772a_hw_reset: MR20=0x%x MR21=0x%x MR22=0x%x\n",
+ phy14h, phy15h, phy16h);
+
+ /* Restore PHY registers default setting if not */
+ if (phy14h != AX88772A_PHY14H_DEFAULT)
+ asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY14H,
+ AX88772A_PHY14H_DEFAULT);
+ if (phy15h != AX88772A_PHY15H_DEFAULT)
+ asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY15H,
+ AX88772A_PHY15H_DEFAULT);
+ if (phy16h != AX88772A_PHY16H_DEFAULT)
+ asix_mdio_write_nopm(dev->net, dev->mii.phy_id,
+ AX88772A_PHY16H,
+ AX88772A_PHY16H_DEFAULT);
+ }
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
+ AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
+ AX88772_IPG2_DEFAULT, 0, NULL, in_pm);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret);
+ goto out;
+ }
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr, in_pm);
+ if (ret < 0)
+ goto out;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT, in_pm);
+ if (ret < 0)
+ return ret;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, in_pm);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev, in_pm);
+ netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n",
+ rx_ctl);
+
+ rx_ctl = asix_read_medium_status(dev, in_pm);
+ netdev_dbg(dev->net,
+ "Medium Status is 0x%04x after all initializations\n",
+ rx_ctl);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static const struct net_device_ops ax88772_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_get_stats64 = dev_get_tstats64,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_eth_ioctl = phy_do_ioctl_running,
+ .ndo_set_rx_mode = asix_set_multicast,
+};
+
+static void ax88772_suspend(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ u16 medium;
+
+ if (netif_running(dev->net)) {
+ rtnl_lock();
+ phylink_suspend(priv->phylink, false);
+ rtnl_unlock();
+ }
+
+ /* Stop MAC operation */
+ medium = asix_read_medium_status(dev, 1);
+ medium &= ~AX_MEDIUM_RE;
+ asix_write_medium_mode(dev, medium, 1);
+
+ netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
+ asix_read_medium_status(dev, 1));
+}
+
+static int asix_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ if (priv && priv->suspend)
+ priv->suspend(dev);
+
+ return usbnet_suspend(intf, message);
+}
+
+static void ax88772_resume(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ int i;
+
+ for (i = 0; i < 3; i++)
+ if (!priv->reset(dev, 1))
+ break;
+
+ if (netif_running(dev->net)) {
+ rtnl_lock();
+ phylink_resume(priv->phylink);
+ rtnl_unlock();
+ }
+}
+
+static int asix_resume(struct usb_interface *intf)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+ struct asix_common_private *priv = dev->driver_priv;
+
+ if (priv && priv->resume)
+ priv->resume(dev);
+
+ return usbnet_resume(intf);
+}
+
+static int ax88772_init_mdio(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ int ret;
+
+ priv->mdio = mdiobus_alloc();
+ if (!priv->mdio)
+ return -ENOMEM;
+
+ priv->mdio->priv = dev;
+ priv->mdio->read = &asix_mdio_bus_read;
+ priv->mdio->write = &asix_mdio_bus_write;
+ priv->mdio->name = "Asix MDIO Bus";
+ /* mii bus name is usb-<usb bus number>-<usb device number> */
+ snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "usb-%03d:%03d",
+ dev->udev->bus->busnum, dev->udev->devnum);
+
+ ret = mdiobus_register(priv->mdio);
+ if (ret) {
+ netdev_err(dev->net, "Could not register MDIO bus (err %d)\n", ret);
+ mdiobus_free(priv->mdio);
+ priv->mdio = NULL;
+ }
+
+ return ret;
+}
+
+static void ax88772_mdio_unregister(struct asix_common_private *priv)
+{
+ mdiobus_unregister(priv->mdio);
+ mdiobus_free(priv->mdio);
+}
+
+static int ax88772_init_phy(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ int ret;
+
+ priv->phydev = mdiobus_get_phy(priv->mdio, priv->phy_addr);
+ if (!priv->phydev) {
+ netdev_err(dev->net, "Could not find PHY\n");
+ return -ENODEV;
+ }
+
+ ret = phylink_connect_phy(priv->phylink, priv->phydev);
+ if (ret) {
+ netdev_err(dev->net, "Could not connect PHY\n");
+ return ret;
+ }
+
+ phy_suspend(priv->phydev);
+ priv->phydev->mac_managed_pm = true;
+
+ phy_attached_info(priv->phydev);
+
+ if (priv->embd_phy)
+ return 0;
+
+ /* In case main PHY is not the embedded PHY and MAC is RMII clock
+ * provider, we need to suspend embedded PHY by keeping PLL enabled
+ * (AX_SWRESET_IPPD == 0).
+ */
+ priv->phydev_int = mdiobus_get_phy(priv->mdio, AX_EMBD_PHY_ADDR);
+ if (!priv->phydev_int) {
+ rtnl_lock();
+ phylink_disconnect_phy(priv->phylink);
+ rtnl_unlock();
+ netdev_err(dev->net, "Could not find internal PHY\n");
+ return -ENODEV;
+ }
+
+ priv->phydev_int->mac_managed_pm = true;
+ phy_suspend(priv->phydev_int);
+
+ return 0;
+}
+
+static void ax88772_mac_config(struct phylink_config *config, unsigned int mode,
+ const struct phylink_link_state *state)
+{
+ /* Nothing to do */
+}
+
+static void ax88772_mac_link_down(struct phylink_config *config,
+ unsigned int mode, phy_interface_t interface)
+{
+ struct usbnet *dev = netdev_priv(to_net_dev(config->dev));
+
+ asix_write_medium_mode(dev, 0, 0);
+ usbnet_link_change(dev, false, false);
+}
+
+static void ax88772_mac_link_up(struct phylink_config *config,
+ struct phy_device *phy,
+ unsigned int mode, phy_interface_t interface,
+ int speed, int duplex,
+ bool tx_pause, bool rx_pause)
+{
+ struct usbnet *dev = netdev_priv(to_net_dev(config->dev));
+ u16 m = AX_MEDIUM_AC | AX_MEDIUM_RE;
+
+ m |= duplex ? AX_MEDIUM_FD : 0;
+
+ switch (speed) {
+ case SPEED_100:
+ m |= AX_MEDIUM_PS;
+ break;
+ case SPEED_10:
+ break;
+ default:
+ return;
+ }
+
+ if (tx_pause)
+ m |= AX_MEDIUM_TFC;
+
+ if (rx_pause)
+ m |= AX_MEDIUM_RFC;
+
+ asix_write_medium_mode(dev, m, 0);
+ usbnet_link_change(dev, true, false);
+}
+
+static const struct phylink_mac_ops ax88772_phylink_mac_ops = {
+ .mac_config = ax88772_mac_config,
+ .mac_link_down = ax88772_mac_link_down,
+ .mac_link_up = ax88772_mac_link_up,
+};
+
+static int ax88772_phylink_setup(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+ phy_interface_t phy_if_mode;
+ struct phylink *phylink;
+
+ priv->phylink_config.dev = &dev->net->dev;
+ priv->phylink_config.type = PHYLINK_NETDEV;
+ priv->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_ASYM_PAUSE |
+ MAC_10 | MAC_100;
+
+ __set_bit(PHY_INTERFACE_MODE_INTERNAL,
+ priv->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_RMII,
+ priv->phylink_config.supported_interfaces);
+
+ if (priv->embd_phy)
+ phy_if_mode = PHY_INTERFACE_MODE_INTERNAL;
+ else
+ phy_if_mode = PHY_INTERFACE_MODE_RMII;
+
+ phylink = phylink_create(&priv->phylink_config, dev->net->dev.fwnode,
+ phy_if_mode, &ax88772_phylink_mac_ops);
+ if (IS_ERR(phylink))
+ return PTR_ERR(phylink);
+
+ priv->phylink = phylink;
+ return 0;
+}
+
+static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ struct asix_common_private *priv;
+ u8 buf[ETH_ALEN] = {0};
+ int ret, i;
+
+ priv = devm_kzalloc(&dev->udev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev->driver_priv = priv;
+
+ usbnet_get_endpoints(dev, intf);
+
+ /* Maybe the boot loader passed the MAC address via device tree */
+ if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) {
+ netif_dbg(dev, ifup, dev->net,
+ "MAC address read from device tree");
+ } else {
+ /* Try getting the MAC address from EEPROM */
+ if (dev->driver_info->data & FLAG_EEPROM_MAC) {
+ for (i = 0; i < (ETH_ALEN >> 1); i++) {
+ ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+ 0x04 + i, 0, 2, buf + i * 2,
+ 0);
+ if (ret < 0)
+ break;
+ }
+ } else {
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
+ 0, 0, ETH_ALEN, buf, 0);
+ }
+
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read MAC address: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ asix_set_netdev_dev_addr(dev, buf);
+
+ dev->net->netdev_ops = &ax88772_netdev_ops;
+ dev->net->ethtool_ops = &ax88772_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ ret = asix_read_phy_addr(dev, true);
+ if (ret < 0)
+ return ret;
+
+ priv->phy_addr = ret;
+ priv->embd_phy = ((priv->phy_addr & 0x1f) == AX_EMBD_PHY_ADDR);
+
+ ret = asix_read_cmd(dev, AX_CMD_STATMNGSTS_REG, 0, 0, 1,
+ &priv->chipcode, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret);
+ return ret;
+ }
+
+ priv->chipcode &= AX_CHIPCODE_MASK;
+
+ priv->resume = ax88772_resume;
+ priv->suspend = ax88772_suspend;
+ if (priv->chipcode == AX_AX88772_CHIPCODE)
+ priv->reset = ax88772_hw_reset;
+ else
+ priv->reset = ax88772a_hw_reset;
+
+ ret = priv->reset(dev, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret);
+ return ret;
+ }
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ priv->presvd_phy_bmcr = 0;
+ priv->presvd_phy_advertise = 0;
+
+ ret = ax88772_init_mdio(dev);
+ if (ret)
+ goto mdio_err;
+
+ ret = ax88772_phylink_setup(dev);
+ if (ret)
+ goto phylink_err;
+
+ ret = ax88772_init_phy(dev);
+ if (ret)
+ goto initphy_err;
+
+ return 0;
+
+initphy_err:
+ phylink_destroy(priv->phylink);
+phylink_err:
+ ax88772_mdio_unregister(priv);
+mdio_err:
+ return ret;
+}
+
+static int ax88772_stop(struct usbnet *dev)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+
+ phylink_stop(priv->phylink);
+
+ return 0;
+}
+
+static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+ struct asix_common_private *priv = dev->driver_priv;
+
+ rtnl_lock();
+ phylink_disconnect_phy(priv->phylink);
+ rtnl_unlock();
+ phylink_destroy(priv->phylink);
+ ax88772_mdio_unregister(priv);
+ asix_rx_fixup_common_free(dev->driver_priv);
+}
+
+static void ax88178_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+ asix_rx_fixup_common_free(dev->driver_priv);
+ kfree(dev->driver_priv);
+}
+
+static const struct ethtool_ops ax88178_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .set_eeprom = asix_set_eeprom,
+ .nway_reset = usbnet_nway_reset,
+ .get_link_ksettings = usbnet_get_link_ksettings_mii,
+ .set_link_ksettings = usbnet_set_link_ksettings_mii,
+};
+
+static int marvell_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 reg;
+
+ netdev_dbg(dev->net, "marvell_phy_init()\n");
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
+ netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
+ MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
+
+ if (data->ledmode) {
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
+
+ reg &= 0xf8ff;
+ reg |= (1 + 0x0100);
+ asix_mdio_write(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL, reg);
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
+ }
+
+ return 0;
+}
+
+static int rtl8211cl_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
+
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
+ asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+
+ if (data->ledmode == 12) {
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+ }
+
+ return 0;
+}
+
+static int marvell_led_status(struct usbnet *dev, u16 speed)
+{
+ u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
+
+ netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
+
+ /* Clear out the center LED bits - 0x03F0 */
+ reg &= 0xfc0f;
+
+ switch (speed) {
+ case SPEED_1000:
+ reg |= 0x03e0;
+ break;
+ case SPEED_100:
+ reg |= 0x03b0;
+ break;
+ default:
+ reg |= 0x02f0;
+ }
+
+ netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
+
+ return 0;
+}
+
+static int ax88178_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret;
+ __le16 eeprom;
+ u8 status;
+ int gpio0 = 0;
+ u32 phyid;
+
+ ret = asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read GPIOS: %d\n", ret);
+ return ret;
+ }
+
+ netdev_dbg(dev->net, "GPIO Status: 0x%04x\n", status);
+
+ asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL, 0);
+ ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read EEPROM: %d\n", ret);
+ return ret;
+ }
+
+ asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL, 0);
+
+ netdev_dbg(dev->net, "EEPROM index 0x17 is 0x%04x\n", eeprom);
+
+ if (eeprom == cpu_to_le16(0xffff)) {
+ data->phymode = PHY_MODE_MARVELL;
+ data->ledmode = 0;
+ gpio0 = 1;
+ } else {
+ data->phymode = le16_to_cpu(eeprom) & 0x7F;
+ data->ledmode = le16_to_cpu(eeprom) >> 8;
+ gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
+ }
+ netdev_dbg(dev->net, "GPIO0: %d, PhyMode: %d\n", gpio0, data->phymode);
+
+ /* Power up external GigaPHY through AX88178 GPIO pin */
+ asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 |
+ AX_GPIO_GPO1EN, 40, 0);
+ if ((le16_to_cpu(eeprom) >> 8) != 1) {
+ asix_write_gpio(dev, 0x003c, 30, 0);
+ asix_write_gpio(dev, 0x001c, 300, 0);
+ asix_write_gpio(dev, 0x003c, 30, 0);
+ } else {
+ netdev_dbg(dev->net, "gpio phymode == 1 path\n");
+ asix_write_gpio(dev, AX_GPIO_GPO1EN, 30, 0);
+ asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30, 0);
+ }
+
+ /* Read PHYID register *AFTER* powering up PHY */
+ phyid = asix_get_phyid(dev);
+ netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid);
+
+ /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+ asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL, 0);
+
+ asix_sw_reset(dev, 0, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
+ msleep(150);
+
+ asix_write_rx_ctl(dev, 0, 0);
+
+ if (data->phymode == PHY_MODE_MARVELL) {
+ marvell_phy_init(dev);
+ msleep(60);
+ } else if (data->phymode == PHY_MODE_RTL8211CL)
+ rtl8211cl_phy_init(dev);
+
+ asix_phy_reset(dev, BMCR_RESET | BMCR_ANENABLE);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
+ ADVERTISE_1000FULL);
+
+ asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT, 0);
+ mii_nway_restart(&dev->mii);
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL, 0);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int ax88178_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u32 speed;
+
+ netdev_dbg(dev->net, "ax88178_link_reset()\n");
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88178_MEDIUM_DEFAULT;
+ speed = ethtool_cmd_speed(&ecmd);
+
+ if (speed == SPEED_1000)
+ mode |= AX_MEDIUM_GM;
+ else if (speed == SPEED_100)
+ mode |= AX_MEDIUM_PS;
+ else
+ mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
+
+ mode |= AX_MEDIUM_ENCK;
+
+ if (ecmd.duplex == DUPLEX_FULL)
+ mode |= AX_MEDIUM_FD;
+ else
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ speed, ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode, 0);
+
+ if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
+ marvell_led_status(dev, speed);
+
+ return 0;
+}
+
+static void ax88178_set_mfb(struct usbnet *dev)
+{
+ u16 mfb = AX_RX_CTL_MFB_16384;
+ u16 rxctl;
+ u16 medium;
+ int old_rx_urb_size = dev->rx_urb_size;
+
+ if (dev->hard_mtu < 2048) {
+ dev->rx_urb_size = 2048;
+ mfb = AX_RX_CTL_MFB_2048;
+ } else if (dev->hard_mtu < 4096) {
+ dev->rx_urb_size = 4096;
+ mfb = AX_RX_CTL_MFB_4096;
+ } else if (dev->hard_mtu < 8192) {
+ dev->rx_urb_size = 8192;
+ mfb = AX_RX_CTL_MFB_8192;
+ } else if (dev->hard_mtu < 16384) {
+ dev->rx_urb_size = 16384;
+ mfb = AX_RX_CTL_MFB_16384;
+ }
+
+ rxctl = asix_read_rx_ctl(dev, 0);
+ asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb, 0);
+
+ medium = asix_read_medium_status(dev, 0);
+ if (dev->net->mtu > 1500)
+ medium |= AX_MEDIUM_JFE;
+ else
+ medium &= ~AX_MEDIUM_JFE;
+ asix_write_medium_mode(dev, medium, 0);
+
+ if (dev->rx_urb_size > old_rx_urb_size)
+ usbnet_unlink_rx_urbs(dev);
+}
+
+static int ax88178_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int ll_mtu = new_mtu + net->hard_header_len + 4;
+
+ netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
+
+ if ((ll_mtu % dev->maxpacket) == 0)
+ return -EDOM;
+
+ net->mtu = new_mtu;
+ dev->hard_mtu = net->mtu + net->hard_header_len;
+ ax88178_set_mfb(dev);
+
+ /* max qlen depend on hard_mtu and rx_urb_size */
+ usbnet_update_max_qlen(dev);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88178_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_get_stats64 = dev_get_tstats64,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_rx_mode = asix_set_multicast,
+ .ndo_eth_ioctl = asix_ioctl,
+ .ndo_change_mtu = ax88178_change_mtu,
+};
+
+static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret;
+ u8 buf[ETH_ALEN] = {0};
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);
+ if (ret < 0) {
+ netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
+ return ret;
+ }
+
+ asix_set_netdev_dev_addr(dev, buf);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0xff;
+ dev->mii.supports_gmii = 1;
+
+ dev->mii.phy_id = asix_read_phy_addr(dev, true);
+ if (dev->mii.phy_id < 0)
+ return dev->mii.phy_id;
+
+ dev->net->netdev_ops = &ax88178_netdev_ops;
+ dev->net->ethtool_ops = &ax88178_ethtool_ops;
+ dev->net->max_mtu = 16384 - (dev->net->hard_header_len + 4);
+
+ /* Blink LEDS so users know driver saw dongle */
+ asix_sw_reset(dev, 0, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD, 0);
+ msleep(150);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
+ if (!dev->driver_priv)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static const struct driver_info ax8817x_info = {
+ .description = "ASIX AX8817x USB 2.0 Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info dlink_dub_e100_info = {
+ .description = "DLink DUB-E100 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x009f9d9f,
+};
+
+static const struct driver_info netgear_fa120_info = {
+ .description = "Netgear FA-120 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info hawking_uf200_info = {
+ .description = "Hawking UF200 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x001f1d1f,
+};
+
+static const struct driver_info ax88772_info = {
+ .description = "ASIX AX88772 USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .unbind = ax88772_unbind,
+ .status = asix_status,
+ .reset = ax88772_reset,
+ .stop = ax88772_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct driver_info ax88772b_info = {
+ .description = "ASIX AX88772B USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .unbind = ax88772_unbind,
+ .status = asix_status,
+ .reset = ax88772_reset,
+ .stop = ax88772_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+ .data = FLAG_EEPROM_MAC,
+};
+
+static const struct driver_info lxausb_t1l_info = {
+ .description = "Linux Automation GmbH USB 10Base-T1L",
+ .bind = ax88772_bind,
+ .unbind = ax88772_unbind,
+ .status = asix_status,
+ .reset = ax88772_reset,
+ .stop = ax88772_stop,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+ .data = FLAG_EEPROM_MAC,
+};
+
+static const struct driver_info ax88178_info = {
+ .description = "ASIX AX88178 USB 2.0 Ethernet",
+ .bind = ax88178_bind,
+ .unbind = ax88178_unbind,
+ .status = asix_status,
+ .link_reset = ax88178_link_reset,
+ .reset = ax88178_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+};
+
+/*
+ * USBLINK 20F9 "USB 2.0 LAN" USB ethernet adapter, typically found in
+ * no-name packaging.
+ * USB device strings are:
+ * 1: Manufacturer: USBLINK
+ * 2: Product: HG20F9 USB2.0
+ * 3: Serial: 000003
+ * Appears to be compatible with Asix 88772B.
+ */
+static const struct driver_info hg20f9_info = {
+ .description = "HG20F9 USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .unbind = ax88772_unbind,
+ .status = asix_status,
+ .reset = ax88772_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+ .data = FLAG_EEPROM_MAC,
+};
+
+static const struct usb_device_id products [] = {
+{
+ // Linksys USB200M
+ USB_DEVICE (0x077b, 0x2226),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Netgear FA120
+ USB_DEVICE (0x0846, 0x1040),
+ .driver_info = (unsigned long) &netgear_fa120_info,
+}, {
+ // DLink DUB-E100
+ USB_DEVICE (0x2001, 0x1a00),
+ .driver_info = (unsigned long) &dlink_dub_e100_info,
+}, {
+ // Intellinet, ST Lab USB Ethernet
+ USB_DEVICE (0x0b95, 0x1720),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Hawking UF200, TrendNet TU2-ET100
+ USB_DEVICE (0x07b8, 0x420a),
+ .driver_info = (unsigned long) &hawking_uf200_info,
+}, {
+ // Billionton Systems, USB2AR
+ USB_DEVICE (0x08dd, 0x90ff),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Billionton Systems, GUSB2AM-1G-B
+ USB_DEVICE(0x08dd, 0x0114),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // ATEN UC210T
+ USB_DEVICE (0x0557, 0x2009),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-KTX
+ USB_DEVICE (0x0411, 0x003d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-GT 10/100/1000
+ USB_DEVICE (0x0411, 0x006e),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
+ USB_DEVICE (0x6189, 0x182d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
+ USB_DEVICE (0x0df6, 0x0056),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Sitecom LN-028 "USB 2.0 10/100/1000 Ethernet adapter"
+ USB_DEVICE (0x0df6, 0x061c),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // corega FEther USB2-TX
+ USB_DEVICE (0x07aa, 0x0017),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Surecom EP-1427X-2
+ USB_DEVICE (0x1189, 0x0893),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // goodway corp usb gwusb2e
+ USB_DEVICE (0x1631, 0x6200),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // JVC MP-PRX1 Port Replicator
+ USB_DEVICE (0x04f1, 0x3008),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Lenovo U2L100P 10/100
+ USB_DEVICE (0x17ef, 0x7203),
+ .driver_info = (unsigned long)&ax88772b_info,
+}, {
+ // ASIX AX88772B 10/100
+ USB_DEVICE (0x0b95, 0x772b),
+ .driver_info = (unsigned long) &ax88772b_info,
+}, {
+ // ASIX AX88772 10/100
+ USB_DEVICE (0x0b95, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88178 10/100/1000
+ USB_DEVICE (0x0b95, 0x1780),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Logitec LAN-GTJ/U2A
+ USB_DEVICE (0x0789, 0x0160),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Linksys USB200M Rev 2
+ USB_DEVICE (0x13b1, 0x0018),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // 0Q0 cable ethernet
+ USB_DEVICE (0x1557, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1
+ USB_DEVICE (0x07d1, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1 Alternate
+ USB_DEVICE (0x2001, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver C1
+ USB_DEVICE (0x2001, 0x1a02),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Linksys USB1000
+ USB_DEVICE (0x1737, 0x0039),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // IO-DATA ETG-US2
+ USB_DEVICE (0x04bb, 0x0930),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Belkin F5D5055
+ USB_DEVICE(0x050d, 0x5055),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Apple USB Ethernet Adapter
+ USB_DEVICE(0x05ac, 0x1402),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Cables-to-Go USB Ethernet Adapter
+ USB_DEVICE(0x0b95, 0x772a),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ABOCOM for pci
+ USB_DEVICE(0x14ea, 0xab11),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // ASIX 88772a
+ USB_DEVICE(0x0db0, 0xa877),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Asus USB Ethernet Adapter
+ USB_DEVICE (0x0b95, 0x7e2b),
+ .driver_info = (unsigned long)&ax88772b_info,
+}, {
+ /* ASIX 88172a demo board */
+ USB_DEVICE(0x0b95, 0x172a),
+ .driver_info = (unsigned long) &ax88172a_info,
+}, {
+ /*
+ * USBLINK HG20F9 "USB 2.0 LAN"
+ * Appears to have gazumped Linksys's manufacturer ID but
+ * doesn't (yet) conflict with any known Linksys product.
+ */
+ USB_DEVICE(0x066b, 0x20f9),
+ .driver_info = (unsigned long) &hg20f9_info,
+}, {
+ // Linux Automation GmbH USB 10Base-T1L
+ USB_DEVICE(0x33f7, 0x0004),
+ .driver_info = (unsigned long) &lxausb_t1l_info,
+},
+ { }, // END
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver asix_driver = {
+ .name = DRIVER_NAME,
+ .id_table = products,
+ .probe = usbnet_probe,
+ .suspend = asix_suspend,
+ .resume = asix_resume,
+ .reset_resume = asix_resume,
+ .disconnect = usbnet_disconnect,
+ .supports_autosuspend = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+
+module_usb_driver(asix_driver);
+
+MODULE_AUTHOR("David Hollis");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
+MODULE_LICENSE("GPL");
+