--- /dev/null
+/*
+ * Copyright (c) 2014 Rene Griessl <rgriessl@cit-ec.uni-bielefeld.de>
+ * based on the U-Boot Asix driver as well as information
+ * from the Linux AX88179_178a driver
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <usb.h>
+#include <net.h>
+#include <linux/mii.h>
+#include "usb_ether.h"
+#include <malloc.h>
+#include <errno.h>
+
+/* ASIX AX88179 based USB 3.0 Ethernet Devices */
+#define AX88179_PHY_ID 0x03
+#define AX_EEPROM_LEN 0x100
+#define AX88179_EEPROM_MAGIC 0x17900b95
+#define AX_MCAST_FLTSIZE 8
+#define AX_MAX_MCAST 64
+#define AX_INT_PPLS_LINK (1 << 16)
+#define AX_RXHDR_L4_TYPE_MASK 0x1c
+#define AX_RXHDR_L4_TYPE_UDP 4
+#define AX_RXHDR_L4_TYPE_TCP 16
+#define AX_RXHDR_L3CSUM_ERR 2
+#define AX_RXHDR_L4CSUM_ERR 1
+#define AX_RXHDR_CRC_ERR (1 << 29)
+#define AX_RXHDR_DROP_ERR (1 << 31)
+#define AX_ENDPOINT_INT 0x01
+#define AX_ENDPOINT_IN 0x02
+#define AX_ENDPOINT_OUT 0x03
+#define AX_ACCESS_MAC 0x01
+#define AX_ACCESS_PHY 0x02
+#define AX_ACCESS_EEPROM 0x04
+#define AX_ACCESS_EFUS 0x05
+#define AX_PAUSE_WATERLVL_HIGH 0x54
+#define AX_PAUSE_WATERLVL_LOW 0x55
+
+#define PHYSICAL_LINK_STATUS 0x02
+ #define AX_USB_SS (1 << 2)
+ #define AX_USB_HS (1 << 1)
+
+#define GENERAL_STATUS 0x03
+ #define AX_SECLD (1 << 2)
+
+#define AX_SROM_ADDR 0x07
+#define AX_SROM_CMD 0x0a
+ #define EEP_RD (1 << 2)
+ #define EEP_BUSY (1 << 4)
+
+#define AX_SROM_DATA_LOW 0x08
+#define AX_SROM_DATA_HIGH 0x09
+
+#define AX_RX_CTL 0x0b
+ #define AX_RX_CTL_DROPCRCERR (1 << 8)
+ #define AX_RX_CTL_IPE (1 << 9)
+ #define AX_RX_CTL_START (1 << 7)
+ #define AX_RX_CTL_AP (1 << 5)
+ #define AX_RX_CTL_AM (1 << 4)
+ #define AX_RX_CTL_AB (1 << 3)
+ #define AX_RX_CTL_AMALL (1 << 1)
+ #define AX_RX_CTL_PRO (1 << 0)
+ #define AX_RX_CTL_STOP 0
+
+#define AX_NODE_ID 0x10
+#define AX_MULFLTARY 0x16
+
+#define AX_MEDIUM_STATUS_MODE 0x22
+ #define AX_MEDIUM_GIGAMODE (1 << 0)
+ #define AX_MEDIUM_FULL_DUPLEX (1 << 1)
+ #define AX_MEDIUM_EN_125MHZ (1 << 3)
+ #define AX_MEDIUM_RXFLOW_CTRLEN (1 << 4)
+ #define AX_MEDIUM_TXFLOW_CTRLEN (1 << 5)
+ #define AX_MEDIUM_RECEIVE_EN (1 << 8)
+ #define AX_MEDIUM_PS (1 << 9)
+ #define AX_MEDIUM_JUMBO_EN 0x8040
+
+#define AX_MONITOR_MOD 0x24
+ #define AX_MONITOR_MODE_RWLC (1 << 1)
+ #define AX_MONITOR_MODE_RWMP (1 << 2)
+ #define AX_MONITOR_MODE_PMEPOL (1 << 5)
+ #define AX_MONITOR_MODE_PMETYPE (1 << 6)
+
+#define AX_GPIO_CTRL 0x25
+ #define AX_GPIO_CTRL_GPIO3EN (1 << 7)
+ #define AX_GPIO_CTRL_GPIO2EN (1 << 6)
+ #define AX_GPIO_CTRL_GPIO1EN (1 << 5)
+
+#define AX_PHYPWR_RSTCTL 0x26
+ #define AX_PHYPWR_RSTCTL_BZ (1 << 4)
+ #define AX_PHYPWR_RSTCTL_IPRL (1 << 5)
+ #define AX_PHYPWR_RSTCTL_AT (1 << 12)
+
+#define AX_RX_BULKIN_QCTRL 0x2e
+#define AX_CLK_SELECT 0x33
+ #define AX_CLK_SELECT_BCS (1 << 0)
+ #define AX_CLK_SELECT_ACS (1 << 1)
+ #define AX_CLK_SELECT_ULR (1 << 3)
+
+#define AX_RXCOE_CTL 0x34
+ #define AX_RXCOE_IP (1 << 0)
+ #define AX_RXCOE_TCP (1 << 1)
+ #define AX_RXCOE_UDP (1 << 2)
+ #define AX_RXCOE_TCPV6 (1 << 5)
+ #define AX_RXCOE_UDPV6 (1 << 6)
+
+#define AX_TXCOE_CTL 0x35
+ #define AX_TXCOE_IP (1 << 0)
+ #define AX_TXCOE_TCP (1 << 1)
+ #define AX_TXCOE_UDP (1 << 2)
+ #define AX_TXCOE_TCPV6 (1 << 5)
+ #define AX_TXCOE_UDPV6 (1 << 6)
+
+#define AX_LEDCTRL 0x73
+
+#define GMII_PHY_PHYSR 0x11
+ #define GMII_PHY_PHYSR_SMASK 0xc000
+ #define GMII_PHY_PHYSR_GIGA (1 << 15)
+ #define GMII_PHY_PHYSR_100 (1 << 14)
+ #define GMII_PHY_PHYSR_FULL (1 << 13)
+ #define GMII_PHY_PHYSR_LINK (1 << 10)
+
+#define GMII_LED_ACT 0x1a
+ #define GMII_LED_ACTIVE_MASK 0xff8f
+ #define GMII_LED0_ACTIVE (1 << 4)
+ #define GMII_LED1_ACTIVE (1 << 5)
+ #define GMII_LED2_ACTIVE (1 << 6)
+
+#define GMII_LED_LINK 0x1c
+ #define GMII_LED_LINK_MASK 0xf888
+ #define GMII_LED0_LINK_10 (1 << 0)
+ #define GMII_LED0_LINK_100 (1 << 1)
+ #define GMII_LED0_LINK_1000 (1 << 2)
+ #define GMII_LED1_LINK_10 (1 << 4)
+ #define GMII_LED1_LINK_100 (1 << 5)
+ #define GMII_LED1_LINK_1000 (1 << 6)
+ #define GMII_LED2_LINK_10 (1 << 8)
+ #define GMII_LED2_LINK_100 (1 << 9)
+ #define GMII_LED2_LINK_1000 (1 << 10)
+ #define LED0_ACTIVE (1 << 0)
+ #define LED0_LINK_10 (1 << 1)
+ #define LED0_LINK_100 (1 << 2)
+ #define LED0_LINK_1000 (1 << 3)
+ #define LED0_FD (1 << 4)
+ #define LED0_USB3_MASK 0x001f
+ #define LED1_ACTIVE (1 << 5)
+ #define LED1_LINK_10 (1 << 6)
+ #define LED1_LINK_100 (1 << 7)
+ #define LED1_LINK_1000 (1 << 8)
+ #define LED1_FD (1 << 9)
+ #define LED1_USB3_MASK 0x03e0
+ #define LED2_ACTIVE (1 << 10)
+ #define LED2_LINK_1000 (1 << 13)
+ #define LED2_LINK_100 (1 << 12)
+ #define LED2_LINK_10 (1 << 11)
+ #define LED2_FD (1 << 14)
+ #define LED_VALID (1 << 15)
+ #define LED2_USB3_MASK 0x7c00
+
+#define GMII_PHYPAGE 0x1e
+#define GMII_PHY_PAGE_SELECT 0x1f
+ #define GMII_PHY_PGSEL_EXT 0x0007
+ #define GMII_PHY_PGSEL_PAGE0 0x0000
+
+/* local defines */
+#define ASIX_BASE_NAME "axg"
+#define USB_CTRL_SET_TIMEOUT 5000
+#define USB_CTRL_GET_TIMEOUT 5000
+#define USB_BULK_SEND_TIMEOUT 5000
+#define USB_BULK_RECV_TIMEOUT 5000
+
+#define AX_RX_URB_SIZE 1024 * 0x12
+#define BLK_FRAME_SIZE 0x200
+#define PHY_CONNECT_TIMEOUT 5000
+
+#define TIMEOUT_RESOLUTION 50 /* ms */
+
+#define FLAG_NONE 0
+#define FLAG_TYPE_AX88179 (1U << 0)
+#define FLAG_TYPE_AX88178a (1U << 1)
+#define FLAG_TYPE_DLINK_DUB1312 (1U << 2)
+#define FLAG_TYPE_SITECOM (1U << 3)
+#define FLAG_TYPE_SAMSUNG (1U << 4)
+#define FLAG_TYPE_LENOVO (1U << 5)
+
+/* local vars */
+static const struct {
+ unsigned char ctrl, timer_l, timer_h, size, ifg;
+} AX88179_BULKIN_SIZE[] = {
+ {7, 0x4f, 0, 0x02, 0xff},
+ {7, 0x20, 3, 0x03, 0xff},
+ {7, 0xae, 7, 0x04, 0xff},
+ {7, 0xcc, 0x4c, 0x04, 8},
+};
+
+static int curr_eth_dev; /* index for name of next device detected */
+
+/* driver private */
+struct asix_private {
+ int flags;
+ int rx_urb_size;
+ int maxpacketsize;
+};
+
+/*
+ * Asix infrastructure commands
+ */
+static int asix_write_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ int len;
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size);
+
+ debug("asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ memcpy(buf, data, size);
+
+ len = usb_control_msg(
+ dev->pusb_dev,
+ usb_sndctrlpipe(dev->pusb_dev, 0),
+ cmd,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_SET_TIMEOUT);
+
+ return len == size ? 0 : ECOMM;
+}
+
+static int asix_read_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ int len;
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size);
+
+ debug("asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ len = usb_control_msg(
+ dev->pusb_dev,
+ usb_rcvctrlpipe(dev->pusb_dev, 0),
+ cmd,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_GET_TIMEOUT);
+
+ memcpy(data, buf, size);
+
+ return len == size ? 0 : ECOMM;
+}
+
+static int asix_read_mac(struct eth_device *eth)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ u8 buf[ETH_ALEN];
+
+ asix_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, 6, 6, buf);
+ debug("asix_read_mac() returning %02x:%02x:%02x:%02x:%02x:%02x\n",
+ buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+ memcpy(eth->enetaddr, buf, ETH_ALEN);
+
+ return 0;
+}
+
+static int asix_basic_reset(struct ueth_data *dev)
+{
+ struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+ u8 buf[5];
+ u16 *tmp16;
+ u8 *tmp;
+
+ tmp16 = (u16 *)buf;
+ tmp = (u8 *)buf;
+
+ /* Power up ethernet PHY */
+ *tmp16 = 0;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
+
+ *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
+ mdelay(200);
+
+ *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
+ mdelay(200);
+
+ /* RX bulk configuration */
+ memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
+
+ dev_priv->rx_urb_size = 128 * 20;
+
+ /* Water Level configuration */
+ *tmp = 0x34;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
+
+ *tmp = 0x52;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, 1, 1, tmp);
+
+ /* Enable checksum offload */
+ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
+ AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
+
+ *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
+ AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
+
+ /* Configure RX control register => start operation */
+ *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
+ AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
+
+ *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
+ AX_MONITOR_MODE_RWMP;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
+
+ /* Configure default medium type => giga */
+ *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
+ AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
+ AX_MEDIUM_GIGAMODE | AX_MEDIUM_JUMBO_EN;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, tmp16);
+
+ u16 adv = 0;
+ adv = ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_LPACK |
+ ADVERTISE_NPAGE | ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP;
+ asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_ADVERTISE, 2, &adv);
+
+ adv = ADVERTISE_1000FULL;
+ asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_CTRL1000, 2, &adv);
+
+ return 0;
+}
+
+static int asix_wait_link(struct ueth_data *dev)
+{
+ int timeout = 0;
+ int link_detected;
+ u8 buf[2];
+ u16 *tmp16;
+
+ tmp16 = (u16 *)buf;
+
+ do {
+ asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+ MII_BMSR, 2, buf);
+ link_detected = *tmp16 & BMSR_LSTATUS;
+ if (!link_detected) {
+ if (timeout == 0)
+ printf("Waiting for Ethernet connection... ");
+ mdelay(TIMEOUT_RESOLUTION);
+ timeout += TIMEOUT_RESOLUTION;
+ }
+ } while (!link_detected && timeout < PHY_CONNECT_TIMEOUT);
+
+ if (link_detected) {
+ if (timeout > 0)
+ printf("done.\n");
+ return 0;
+ } else {
+ printf("unable to connect.\n");
+ return -ENETUNREACH;
+ }
+}
+
+/*
+ * Asix callbacks
+ */
+static int asix_init(struct eth_device *eth, bd_t *bd)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+ u8 buf[2], tmp[5], link_sts;
+ u16 *tmp16, mode;
+
+
+ tmp16 = (u16 *)buf;
+
+ debug("** %s()\n", __func__);
+
+ /* Configure RX control register => start operation */
+ *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
+ AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
+ if (asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16) != 0)
+ goto out_err;
+
+ if (asix_wait_link(dev) != 0) {
+ /*reset device and try again*/
+ printf("Reset Ethernet Device\n");
+ asix_basic_reset(dev);
+ if (asix_wait_link(dev) != 0)
+ goto out_err;
+ }
+
+ /* Configure link */
+ mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
+ AX_MEDIUM_RXFLOW_CTRLEN;
+
+ asix_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
+ 1, 1, &link_sts);
+
+ asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+ GMII_PHY_PHYSR, 2, tmp16);
+
+ if (!(*tmp16 & GMII_PHY_PHYSR_LINK)) {
+ return 0;
+ } else if (GMII_PHY_PHYSR_GIGA == (*tmp16 & GMII_PHY_PHYSR_SMASK)) {
+ mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ |
+ AX_MEDIUM_JUMBO_EN;
+
+ if (link_sts & AX_USB_SS)
+ memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
+ else if (link_sts & AX_USB_HS)
+ memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
+ else
+ memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+ } else if (GMII_PHY_PHYSR_100 == (*tmp16 & GMII_PHY_PHYSR_SMASK)) {
+ mode |= AX_MEDIUM_PS;
+
+ if (link_sts & (AX_USB_SS | AX_USB_HS))
+ memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
+ else
+ memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+ } else {
+ memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+ }
+
+ /* RX bulk configuration */
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
+
+ dev_priv->rx_urb_size = (1024 * (tmp[3] + 2));
+ if (*tmp16 & GMII_PHY_PHYSR_FULL)
+ mode |= AX_MEDIUM_FULL_DUPLEX;
+ asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
+ 2, 2, &mode);
+
+ return 0;
+out_err:
+ return -1;
+}
+
+static int asix_send(struct eth_device *eth, void *packet, int length)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+
+ int err;
+ u32 packet_len, tx_hdr2;
+ int actual_len, framesize;
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, msg,
+ PKTSIZE + (2 * sizeof(packet_len)));
+
+ debug("** %s(), len %d\n", __func__, length);
+
+ packet_len = length;
+ cpu_to_le32s(&packet_len);
+
+ memcpy(msg, &packet_len, sizeof(packet_len));
+ framesize = dev_priv->maxpacketsize;
+ tx_hdr2 = 0;
+ if (((length + 8) % framesize) == 0)
+ tx_hdr2 |= 0x80008000; /* Enable padding */
+
+ cpu_to_le32s(&tx_hdr2);
+
+ memcpy(msg + sizeof(packet_len), &tx_hdr2, sizeof(tx_hdr2));
+
+ memcpy(msg + sizeof(packet_len) + sizeof(tx_hdr2),
+ (void *)packet, length);
+
+ err = usb_bulk_msg(dev->pusb_dev,
+ usb_sndbulkpipe(dev->pusb_dev, dev->ep_out),
+ (void *)msg,
+ length + sizeof(packet_len) + sizeof(tx_hdr2),
+ &actual_len,
+ USB_BULK_SEND_TIMEOUT);
+ debug("Tx: len = %u, actual = %u, err = %d\n",
+ length + sizeof(packet_len), actual_len, err);
+
+ return err;
+}
+
+static int asix_recv(struct eth_device *eth)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv;
+
+ u16 frame_pos;
+ int err;
+ int actual_len;
+
+ int pkt_cnt;
+ u32 rx_hdr;
+ u16 hdr_off;
+ u32 *pkt_hdr;
+ ALLOC_CACHE_ALIGN_BUFFER(u8, recv_buf, dev_priv->rx_urb_size);
+
+ actual_len = -1;
+
+ debug("** %s()\n", __func__);
+
+ err = usb_bulk_msg(dev->pusb_dev,
+ usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
+ (void *)recv_buf,
+ dev_priv->rx_urb_size,
+ &actual_len,
+ USB_BULK_RECV_TIMEOUT);
+ debug("Rx: len = %u, actual = %u, err = %d\n", dev_priv->rx_urb_size,
+ actual_len, err);
+
+ if (err != 0) {
+ debug("Rx: failed to receive\n");
+ return -ECOMM;
+ }
+ if (actual_len > dev_priv->rx_urb_size) {
+ debug("Rx: received too many bytes %d\n", actual_len);
+ return -EMSGSIZE;
+ }
+
+
+ rx_hdr = *(u32 *)(recv_buf + actual_len - 4);
+ le32_to_cpus(&pkt_hdr);
+
+ pkt_cnt = (u16)rx_hdr;
+ hdr_off = (u16)(rx_hdr >> 16);
+ pkt_hdr = (u32 *)(recv_buf + hdr_off);
+
+
+ frame_pos = 0;
+
+ while (pkt_cnt--) {
+ u16 pkt_len;
+
+ le32_to_cpus(pkt_hdr);
+ pkt_len = (*pkt_hdr >> 16) & 0x1fff;
+
+ frame_pos += 2;
+
+ NetReceive(recv_buf + frame_pos, pkt_len);
+
+ pkt_hdr++;
+ frame_pos += ((pkt_len + 7) & 0xFFF8)-2;
+
+ if (pkt_cnt == 0)
+ return 0;
+ }
+ return err;
+}
+
+static void asix_halt(struct eth_device *eth)
+{
+ debug("** %s()\n", __func__);
+}
+
+/*
+ * Asix probing functions
+ */
+void ax88179_eth_before_probe(void)
+{
+ curr_eth_dev = 0;
+}
+
+struct asix_dongle {
+ unsigned short vendor;
+ unsigned short product;
+ int flags;
+};
+
+static const struct asix_dongle asix_dongles[] = {
+ { 0x0b95, 0x1790, FLAG_TYPE_AX88179 },
+ { 0x0b95, 0x178a, FLAG_TYPE_AX88178a },
+ { 0x2001, 0x4a00, FLAG_TYPE_DLINK_DUB1312 },
+ { 0x0df6, 0x0072, FLAG_TYPE_SITECOM },
+ { 0x04e8, 0xa100, FLAG_TYPE_SAMSUNG },
+ { 0x17ef, 0x304b, FLAG_TYPE_LENOVO },
+ { 0x0000, 0x0000, FLAG_NONE } /* END - Do not remove */
+};
+
+/* Probe to see if a new device is actually an asix device */
+int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum,
+ struct ueth_data *ss)
+{
+ struct usb_interface *iface;
+ struct usb_interface_descriptor *iface_desc;
+ struct asix_private *dev_priv;
+ int ep_in_found = 0, ep_out_found = 0;
+ int i;
+
+ /* let's examine the device now */
+ iface = &dev->config.if_desc[ifnum];
+ iface_desc = &dev->config.if_desc[ifnum].desc;
+
+ for (i = 0; asix_dongles[i].vendor != 0; i++) {
+ if (dev->descriptor.idVendor == asix_dongles[i].vendor &&
+ dev->descriptor.idProduct == asix_dongles[i].product)
+ /* Found a supported dongle */
+ break;
+ }
+
+ if (asix_dongles[i].vendor == 0)
+ return 0;
+
+ memset(ss, 0, sizeof(struct ueth_data));
+
+ /* At this point, we know we've got a live one */
+ debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n",
+ dev->descriptor.idVendor, dev->descriptor.idProduct);
+
+ /* Initialize the ueth_data structure with some useful info */
+ ss->ifnum = ifnum;
+ ss->pusb_dev = dev;
+ ss->subclass = iface_desc->bInterfaceSubClass;
+ ss->protocol = iface_desc->bInterfaceProtocol;
+
+ /* alloc driver private */
+ ss->dev_priv = calloc(1, sizeof(struct asix_private));
+ if (!ss->dev_priv)
+ return 0;
+ dev_priv = ss->dev_priv;
+ dev_priv->flags = asix_dongles[i].flags;
+
+ /*
+ * We are expecting a minimum of 3 endpoints - in, out (bulk), and
+ * int. We will ignore any others.
+ */
+ for (i = 0; i < iface_desc->bNumEndpoints; i++) {
+ /* is it an interrupt endpoint? */
+ if ((iface->ep_desc[i].bmAttributes &
+ USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
+ ss->ep_int = iface->ep_desc[i].bEndpointAddress &
+ USB_ENDPOINT_NUMBER_MASK;
+ ss->irqinterval = iface->ep_desc[i].bInterval;
+ continue;
+ }
+
+ /* is it an BULK endpoint? */
+ if (!((iface->ep_desc[i].bmAttributes &
+ USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
+ continue;
+
+ u8 ep_addr = iface->ep_desc[i].bEndpointAddress;
+ if ((ep_addr & USB_DIR_IN) && !ep_in_found) {
+ ss->ep_in = ep_addr &
+ USB_ENDPOINT_NUMBER_MASK;
+ ep_in_found = 1;
+ }
+ if (!(ep_addr & USB_DIR_IN) && !ep_out_found) {
+ ss->ep_out = ep_addr &
+ USB_ENDPOINT_NUMBER_MASK;
+ dev_priv->maxpacketsize =
+ dev->epmaxpacketout[AX_ENDPOINT_OUT];
+ ep_out_found = 1;
+ }
+ }
+ debug("Endpoints In %d Out %d Int %d\n",
+ ss->ep_in, ss->ep_out, ss->ep_int);
+
+ /* Do some basic sanity checks, and bail if we find a problem */
+ if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
+ !ss->ep_in || !ss->ep_out || !ss->ep_int) {
+ debug("Problems with device\n");
+ return 0;
+ }
+ dev->privptr = (void *)ss;
+ return 1;
+}
+
+int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
+ struct eth_device *eth)
+{
+ if (!eth) {
+ debug("%s: missing parameter.\n", __func__);
+ return 0;
+ }
+ sprintf(eth->name, "%s%d", ASIX_BASE_NAME, curr_eth_dev++);
+ eth->init = asix_init;
+ eth->send = asix_send;
+ eth->recv = asix_recv;
+ eth->halt = asix_halt;
+ eth->priv = ss;
+
+ if (asix_basic_reset(ss))
+ return 0;
+
+ /* Get the MAC address */
+ if (asix_read_mac(eth))
+ return 0;
+ debug("MAC %pM\n", eth->enetaddr);
+
+ return 1;
+}
projects / karo-tx-uboot.git / commitdiff