From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH net-next 1/1] Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver Date: Mon, 27 Jul 2015 19:59:30 +0000 Message-ID: <9235D6609DB808459E95D78E17F2E43D53361B@CHN-SV-EXMX02.mchp-main.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Cc: To: Return-path: Received: from exsmtp02.microchip.com ([198.175.253.38]:49305 "EHLO email.microchip.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754519AbbG0T7c convert rfc822-to-8bit (ORCPT ); Mon, 27 Jul 2015 15:59:32 -0400 Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: This patch adds a driver for LAN7800 family of USB 2.0 & USB 3.0 to Gigabit Ethernet. - remove module param which can be configurable by standard mechanism. - remove other module parms except msg_level per review comment. Signed-off-by: Woojung Huh --- drivers/net/usb/Kconfig | 10 + drivers/net/usb/Makefile | 1 + drivers/net/usb/lan78xx.c | 3517 +++++++++++++++++++++++++++++++++++++++++++++ drivers/net/usb/lan78xx.h | 1069 ++++++++++++++ 4 files changed, 4597 insertions(+) create mode 100644 drivers/net/usb/lan78xx.c create mode 100644 drivers/net/usb/lan78xx.h diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 7ba8d08..1610b79 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -106,6 +106,16 @@ config USB_RTL8152 To compile this driver as a module, choose M here: the module will be called r8152. +config USB_LAN78XX + tristate "Microchip LAN78XX Based USB Ethernet Adapters" + select MII + help + This option adds support for Microchip LAN78XX based USB 2 + & USB 3 10/100/1000 Ethernet adapters. + + To compile this driver as a module, choose M here: the + module will be called lan78xx. + config USB_USBNET tristate "Multi-purpose USB Networking Framework" select MII diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index e2797f1..cf6a0e6 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_USB_PEGASUS) += pegasus.o obj-$(CONFIG_USB_RTL8150) += rtl8150.o obj-$(CONFIG_USB_RTL8152) += r8152.o obj-$(CONFIG_USB_HSO) += hso.o +obj-$(CONFIG_USB_LAN78XX) += lan78xx.o obj-$(CONFIG_USB_NET_AX8817X) += asix.o asix-y := asix_devices.o asix_common.o ax88172a.o obj-$(CONFIG_USB_NET_AX88179_178A) += ax88179_178a.o diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c new file mode 100644 index 0000000..516722f --- /dev/null +++ b/drivers/net/usb/lan78xx.c @@ -0,0 +1,3517 @@ +/* + * Copyright (C) 2015 Microchip Technology + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "lan78xx.h" + +#define DRIVER_AUTHOR "WOOJUNG HUH " +#define DRIVER_DESC "LAN78XX USB 3.0 Gigabit Ethernet Devices" +#define DRIVER_NAME "lan78xx" +#define DRIVER_VERSION "1.0.0" + +#define TX_TIMEOUT_JIFFIES (5 * HZ) +#define THROTTLE_JIFFIES (HZ / 8) +#define UNLINK_TIMEOUT_MS 3 + +#define RX_MAX_QUEUE_MEMORY (60 * 1518) + +#define SS_USB_PKT_SIZE (1024) +#define HS_USB_PKT_SIZE (512) +#define FS_USB_PKT_SIZE (64) + +#define MAX_RX_FIFO_SIZE (12 * 1024) +#define MAX_TX_FIFO_SIZE (12 * 1024) +#define DEFAULT_BURST_CAP_SIZE (MAX_TX_FIFO_SIZE) +#define DEFAULT_BULK_IN_DELAY (0x0800) +#define MAX_SINGLE_PACKET_SIZE (9000) +#define DEFAULT_TX_CSUM_ENABLE (true) +#define DEFAULT_RX_CSUM_ENABLE (true) +#define DEFAULT_TSO_CSUM_ENABLE (true) +#define DEFAULT_VLAN_FILTER_ENABLE (true) +#define INTERNAL_PHY_ID (2) /* 2: GMII */ +#define TX_OVERHEAD (8) +#define RXW_PADDING 2 + +#define LAN78XX_USB_VENDOR_ID (0x0424) +#define LAN7800_USB_PRODUCT_ID (0x7800) +#define LAN7850_USB_PRODUCT_ID (0x7850) +#define LAN78XX_EEPROM_MAGIC (0x78A5) +#define LAN78XX_OTP_MAGIC (0x78F3) + +#define MII_READ 1 +#define MII_WRITE 0 + +#define EEPROM_INDICATOR (0xA5) +#define EEPROM_MAC_OFFSET (0x01) +#define MAX_EEPROM_SIZE 512 +#define OTP_INDICATOR_1 (0xF3) +#define OTP_INDICATOR_2 (0xF7) + +#define WAKE_ALL (WAKE_PHY | WAKE_UCAST | \ + WAKE_MCAST | WAKE_BCAST | \ + WAKE_ARP | WAKE_MAGIC) + +/* USB related defines */ +#define BULK_IN_PIPE 1 +#define BULK_OUT_PIPE 2 + +/* default autosuspend delay (mSec)*/ +#define DEFAULT_AUTOSUSPEND_DELAY (10 * 1000) + +static const char lan78xx_gstrings[][ETH_GSTRING_LEN] = { + "RX FCS Errors", + "RX Alignment Errors", + "Rx Fragment Errors", + "RX Jabber Errors", + "RX Undersize Frame Errors", + "RX Oversize Frame Errors", + "RX Dropped Frames", + "RX Unicast Byte Count", + "RX Broadcast Byte Count", + "RX Multicast Byte Count", + "RX Unicast Frames", + "RX Broadcast Frames", + "RX Multicast Frames", + "RX Pause Frames", + "RX 64 Byte Frames", + "RX 65 - 127 Byte Frames", + "RX 128 - 255 Byte Frames", + "RX 256 - 511 Bytes Frames", + "RX 512 - 1023 Byte Frames", + "RX 1024 - 1518 Byte Frames", + "RX Greater 1518 Byte Frames", + "EEE RX LPI Transitions", + "EEE RX LPI Time", + "TX FCS Errors", + "TX Excess Deferral Errors", + "TX Carrier Errors", + "TX Bad Byte Count", + "TX Single Collisions", + "TX Multiple Collisions", + "TX Excessive Collision", + "TX Late Collisions", + "TX Unicast Byte Count", + "TX Broadcast Byte Count", + "TX Multicast Byte Count", + "TX Unicast Frames", + "TX Broadcast Frames", + "TX Multicast Frames", + "TX Pause Frames", + "TX 64 Byte Frames", + "TX 65 - 127 Byte Frames", + "TX 128 - 255 Byte Frames", + "TX 256 - 511 Bytes Frames", + "TX 512 - 1023 Byte Frames", + "TX 1024 - 1518 Byte Frames", + "TX Greater 1518 Byte Frames", + "EEE TX LPI Transitions", + "EEE TX LPI Time", +}; + +struct lan78xx_statstage { + u32 rx_fcs_errors; + u32 rx_alignment_errors; + u32 rx_fragment_errors; + u32 rx_jabber_errors; + u32 rx_undersize_frame_errors; + u32 rx_oversize_frame_errors; + u32 rx_dropped_frames; + u32 rx_unicast_byte_count; + u32 rx_broadcast_byte_count; + u32 rx_multicast_byte_count; + u32 rx_unicast_frames; + u32 rx_broadcast_frames; + u32 rx_multicast_frames; + u32 rx_pause_frames; + u32 rx_64_byte_frames; + u32 rx_65_127_byte_frames; + u32 rx_128_255_byte_frames; + u32 rx_256_511_bytes_frames; + u32 rx_512_1023_byte_frames; + u32 rx_1024_1518_byte_frames; + u32 rx_greater_1518_byte_frames; + u32 eee_rx_lpi_transitions; + u32 eee_rx_lpi_time; + u32 tx_fcs_errors; + u32 tx_excess_deferral_errors; + u32 tx_carrier_errors; + u32 tx_bad_byte_count; + u32 tx_single_collisions; + u32 tx_multiple_collisions; + u32 tx_excessive_collision; + u32 tx_late_collisions; + u32 tx_unicast_byte_count; + u32 tx_broadcast_byte_count; + u32 tx_multicast_byte_count; + u32 tx_unicast_frames; + u32 tx_broadcast_frames; + u32 tx_multicast_frames; + u32 tx_pause_frames; + u32 tx_64_byte_frames; + u32 tx_65_127_byte_frames; + u32 tx_128_255_byte_frames; + u32 tx_256_511_bytes_frames; + u32 tx_512_1023_byte_frames; + u32 tx_1024_1518_byte_frames; + u32 tx_greater_1518_byte_frames; + u32 eee_tx_lpi_transitions; + u32 eee_tx_lpi_time; +}; + +struct lan78xx_net; + +struct lan78xx_priv { + struct lan78xx_net *dev; + u32 rfe_ctl; + u32 mchash_table[DP_SEL_VHF_HASH_LEN]; /* multicat hash table */ + u32 pfilter_table[NUM_OF_MAF][2]; /* perfect filter table */ + u32 vlan_table[DP_SEL_VHF_VLAN_LEN]; + struct mutex dataport_mutex; /* for dataport access */ + spinlock_t rfe_ctl_lock; /* for rfe register access */ + struct work_struct set_multicast; + struct work_struct set_vlan; + u32 wol; +}; + +enum skb_state { + illegal = 0, + tx_start, + tx_done, + rx_start, + rx_done, + rx_cleanup, + unlink_start +}; + +struct skb_data { /* skb->cb is one of these */ + struct urb *urb; + struct lan78xx_net *dev; + enum skb_state state; + size_t length; +}; + +struct usb_context { + struct usb_ctrlrequest req; + struct lan78xx_net *dev; +}; + +#define EVENT_TX_HALT 0 +#define EVENT_RX_HALT 1 +#define EVENT_RX_MEMORY 2 +#define EVENT_STS_SPLIT 3 +#define EVENT_LINK_RESET 4 +#define EVENT_RX_PAUSED 5 +#define EVENT_DEV_WAKING 6 +#define EVENT_DEV_ASLEEP 7 +#define EVENT_DEV_OPEN 8 + +struct lan78xx_net { + struct net_device *net; + struct usb_device *udev; + struct usb_interface *intf; + void *driver_priv; + + int rx_qlen; + int tx_qlen; + struct sk_buff_head rxq; + struct sk_buff_head txq; + struct sk_buff_head done; + struct sk_buff_head rxq_pause; + struct sk_buff_head txq_pend; + + struct tasklet_struct bh; + struct delayed_work wq; + + struct usb_host_endpoint *ep_blkin; + struct usb_host_endpoint *ep_blkout; + struct usb_host_endpoint *ep_intr; + + int msg_enable; + + struct urb *urb_intr; + struct usb_anchor deferred; + + struct mutex phy_mutex; /* for phy access */ + unsigned pipe_in, pipe_out, pipe_intr; + + u32 hard_mtu; /* count any extra framing */ + size_t rx_urb_size; /* size for rx urbs */ + + unsigned long flags; + + wait_queue_head_t *wait; + unsigned char suspend_count; + + unsigned maxpacket; + struct timer_list delay; + + unsigned long data[5]; + struct mii_if_info mii; + + int link_on; + u8 mdix_ctrl; +}; + +/* use ethtool to change the level for any given device */ +static int msg_level = -1; +module_param(msg_level, int, 0); +MODULE_PARM_DESC(msg_level, "Override default message level"); + +static int lan78xx_read_reg(struct lan78xx_net *dev, u32 index, u32 *data) +{ + u32 *buf = kmalloc(sizeof(u32), GFP_KERNEL); + int ret; + + BUG_ON(!dev); + + if (!buf) + return -ENOMEM; + + ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), + USB_VENDOR_REQUEST_READ_REGISTER, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, index, buf, 4, USB_CTRL_GET_TIMEOUT); + if (likely(ret >= 0)) { + le32_to_cpus(buf); + *data = *buf; + } else { + netdev_warn(dev->net, + "Failed to read register index 0x%08x. ret = %d", + index, ret); + } + + kfree(buf); + + return ret; +} + +static int lan78xx_write_reg(struct lan78xx_net *dev, u32 index, u32 data) +{ + u32 *buf = kmalloc(sizeof(u32), GFP_KERNEL); + int ret; + + BUG_ON(!dev); + + if (!buf) + return -ENOMEM; + + *buf = data; + cpu_to_le32s(buf); + + ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), + USB_VENDOR_REQUEST_WRITE_REGISTER, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, index, buf, 4, USB_CTRL_SET_TIMEOUT); + if (unlikely(ret < 0)) { + netdev_warn(dev->net, + "Failed to write register index 0x%08x. ret = %d", + index, ret); + } + + kfree(buf); + + return ret; +} + +static int lan78xx_read_stats(struct lan78xx_net *dev, + struct lan78xx_statstage *data) +{ + int ret = 0; + struct lan78xx_statstage *stats; + + BUG_ON(!dev); + BUG_ON(!data); + BUG_ON(sizeof(struct lan78xx_statstage) != 0xBC); + + stats = kmalloc(sizeof(*stats), GFP_KERNEL); + if (!stats) + return -ENOMEM; + + ret = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + USB_VENDOR_REQUEST_GET_STATS, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, + 0, + (void *)stats, + sizeof(*stats), + USB_CTRL_SET_TIMEOUT); + if (likely(ret >= 0)) { + le32_to_cpus(stats); + *data = *stats; + } else { + netdev_warn(dev->net, + "Failed to read stat ret = 0x%x", ret); + } + + le32_to_cpus(stats); + *data = *stats; + + kfree(stats); + + return ret; +} + +/* Loop until the read is completed with timeout called with phy_mutex held */ +static int lan78xx_phy_wait_not_busy(struct lan78xx_net *dev) +{ + unsigned long start_time = jiffies; + u32 val; + int ret; + + do { + ret = lan78xx_read_reg(dev, MII_ACC, &val); + if (unlikely(ret < 0)) + return -EIO; + + if (!(val & MII_ACC_MII_BUSY_)) + return 0; + } while (!time_after(jiffies, start_time + HZ)); + + return -EIO; +} + +static inline u32 mii_access(int id, int index, int read) +{ + u32 ret; + + ret = ((u32)id << MII_ACC_PHY_ADDR_SHIFT_) & MII_ACC_PHY_ADDR_MASK_; + ret |= ((u32)index << MII_ACC_MIIRINDA_SHIFT_) & MII_ACC_MIIRINDA_MASK_; + if (read) + ret |= MII_ACC_MII_READ_; + else + ret |= MII_ACC_MII_WRITE_; + ret |= MII_ACC_MII_BUSY_; + + return ret; +} + +static int lan78xx_mdio_read(struct net_device *netdev, int phy_id, int idx) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + u32 val, addr; + int ret; + + if (usb_autopm_get_interface(dev->intf) < 0) + return 0x00; + + mutex_lock(&dev->phy_mutex); + + /* confirm MII not busy */ + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* set the address, index & direction (read from PHY) */ + phy_id &= dev->mii.phy_id_mask; + idx &= dev->mii.reg_num_mask; + addr = mii_access(phy_id, idx, MII_READ); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + ret = lan78xx_read_reg(dev, MII_DATA, &val); + + ret = (int)(val & 0xFFFF); + +done: + mutex_unlock(&dev->phy_mutex); + usb_autopm_put_interface(dev->intf); + return ret; +} + +static void lan78xx_mdio_write(struct net_device *netdev, int phy_id, + int idx, int regval) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + u32 val, addr; + int ret; + + if (usb_autopm_get_interface(dev->intf) < 0) + return; + + mutex_lock(&dev->phy_mutex); + + /* confirm MII not busy */ + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + val = regval; + ret = lan78xx_write_reg(dev, MII_DATA, val); + + /* set the address, index & direction (write to PHY) */ + phy_id &= dev->mii.phy_id_mask; + idx &= dev->mii.reg_num_mask; + addr = mii_access(phy_id, idx, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + +done: + mutex_unlock(&dev->phy_mutex); + usb_autopm_put_interface(dev->intf); +} + +static void lan78xx_mmd_write(struct net_device *netdev, int phy_id, + int mmddev, int mmdidx, int regval) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + u32 val, addr; + int ret; + + if (usb_autopm_get_interface(dev->intf) < 0) + return; + + mutex_lock(&dev->phy_mutex); + + /* confirm MII not busy */ + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + mmddev &= 0x1F; + + /* set up device address for MMD */ + ret = lan78xx_write_reg(dev, MII_DATA, mmddev); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* select register of MMD */ + val = mmdidx; + ret = lan78xx_write_reg(dev, MII_DATA, val); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* select register data for MMD */ + val = PHY_MMD_CTRL_OP_DNI_ | mmddev; + ret = lan78xx_write_reg(dev, MII_DATA, val); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* write to MMD */ + val = regval; + ret = lan78xx_write_reg(dev, MII_DATA, val); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + +done: + mutex_unlock(&dev->phy_mutex); + usb_autopm_put_interface(dev->intf); +} + +static int lan78xx_mmd_read(struct net_device *netdev, int phy_id, + int mmddev, int mmdidx) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + u32 val, addr; + int ret; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + return ret; + + mutex_lock(&dev->phy_mutex); + + /* confirm MII not busy */ + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* set up device address for MMD */ + ret = lan78xx_write_reg(dev, MII_DATA, mmddev); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* select register of MMD */ + val = mmdidx; + ret = lan78xx_write_reg(dev, MII_DATA, val); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* select register data for MMD */ + val = PHY_MMD_CTRL_OP_DNI_ | mmddev; + ret = lan78xx_write_reg(dev, MII_DATA, val); + + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_CTL, MII_WRITE); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* set the address, index & direction (read from PHY) */ + phy_id &= dev->mii.phy_id_mask; + addr = mii_access(phy_id, PHY_MMD_REG_DATA, MII_READ); + ret = lan78xx_write_reg(dev, MII_ACC, addr); + + ret = lan78xx_phy_wait_not_busy(dev); + if (ret < 0) + goto done; + + /* read from MMD */ + ret = lan78xx_read_reg(dev, MII_DATA, &val); + + ret = (int)(val & 0xFFFF); + +done: + mutex_unlock(&dev->phy_mutex); + usb_autopm_put_interface(dev->intf); + return ret; +} + +static int lan78xx_wait_eeprom(struct lan78xx_net *dev) +{ + unsigned long start_time = jiffies; + u32 val; + int ret; + + do { + ret = lan78xx_read_reg(dev, E2P_CMD, &val); + if (unlikely(ret < 0)) + return -EIO; + + if (!(val & E2P_CMD_EPC_BUSY_) || + (val & E2P_CMD_EPC_TIMEOUT_)) + break; + usleep_range(40, 100); + } while (!time_after(jiffies, start_time + HZ)); + + if (val & (E2P_CMD_EPC_TIMEOUT_ | E2P_CMD_EPC_BUSY_)) { + netdev_warn(dev->net, "EEPROM read operation timeout"); + return -EIO; + } + + return 0; +} + +static int lan78xx_eeprom_confirm_not_busy(struct lan78xx_net *dev) +{ + unsigned long start_time = jiffies; + u32 val; + int ret; + + do { + ret = lan78xx_read_reg(dev, E2P_CMD, &val); + if (unlikely(ret < 0)) + return -EIO; + + if (!(val & E2P_CMD_EPC_BUSY_)) + return 0; + + usleep_range(40, 100); + } while (!time_after(jiffies, start_time + HZ)); + + netdev_warn(dev->net, "EEPROM is busy"); + return -EIO; +} + +static int lan78xx_read_raw_eeprom(struct lan78xx_net *dev, u32 offset, + u32 length, u8 *data) +{ + u32 val; + int i, ret; + + BUG_ON(!dev); + BUG_ON(!data); + + ret = lan78xx_eeprom_confirm_not_busy(dev); + if (ret) + return ret; + + for (i = 0; i < length; i++) { + val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_READ_; + val |= (offset & E2P_CMD_EPC_ADDR_MASK_); + ret = lan78xx_write_reg(dev, E2P_CMD, val); + if (unlikely(ret < 0)) + return -EIO; + + ret = lan78xx_wait_eeprom(dev); + if (ret < 0) + return ret; + + ret = lan78xx_read_reg(dev, E2P_DATA, &val); + if (unlikely(ret < 0)) + return -EIO; + + data[i] = val & 0xFF; + offset++; + } + + return 0; +} + +static int lan78xx_read_eeprom(struct lan78xx_net *dev, u32 offset, + u32 length, u8 *data) +{ + u8 sig; + int ret; + + ret = lan78xx_read_raw_eeprom(dev, 0, 1, &sig); + if ((ret == 0) && (sig == EEPROM_INDICATOR)) + ret = lan78xx_read_raw_eeprom(dev, offset, length, data); + else + ret = -EINVAL; + + return ret; +} + +static int lan78xx_write_raw_eeprom(struct lan78xx_net *dev, u32 offset, + u32 length, u8 *data) +{ + u32 val; + int i, ret; + + BUG_ON(!dev); + BUG_ON(!data); + + ret = lan78xx_eeprom_confirm_not_busy(dev); + if (ret) + return ret; + + /* Issue write/erase enable command */ + val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_EWEN_; + ret = lan78xx_write_reg(dev, E2P_CMD, val); + if (unlikely(ret < 0)) + return -EIO; + + ret = lan78xx_wait_eeprom(dev); + if (ret < 0) + return ret; + + for (i = 0; i < length; i++) { + /* Fill data register */ + val = data[i]; + ret = lan78xx_write_reg(dev, E2P_DATA, val); + if (ret < 0) + return ret; + + /* Send "write" command */ + val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_WRITE_; + val |= (offset & E2P_CMD_EPC_ADDR_MASK_); + ret = lan78xx_write_reg(dev, E2P_CMD, val); + if (ret < 0) + return ret; + + ret = lan78xx_wait_eeprom(dev); + if (ret < 0) + return ret; + + offset++; + } + + return 0; +} + +static int lan78xx_read_raw_otp(struct lan78xx_net *dev, u32 offset, + u32 length, u8 *data) +{ + int i; + int ret; + u32 buf; + unsigned long timeout; + + ret = lan78xx_read_reg(dev, OTP_PWR_DN, &buf); + + if (buf & OTP_PWR_DN_PWRDN_N_) { + /* clear it and wait to be cleared */ + ret = lan78xx_write_reg(dev, OTP_PWR_DN, 0); + + timeout = jiffies + HZ; + do { + usleep_range(1, 10); + ret = lan78xx_read_reg(dev, OTP_PWR_DN, &buf); + if (time_after(jiffies, timeout)) { + netdev_warn(dev->net, + "timeout on OTP_PWR_DN"); + return -EIO; + } + } while (buf & OTP_PWR_DN_PWRDN_N_); + } + + for (i = 0; i < length; i++) { + ret = lan78xx_write_reg(dev, OTP_ADDR1, + ((offset + i) >> 8) & OTP_ADDR1_15_11); + ret = lan78xx_write_reg(dev, OTP_ADDR2, + ((offset + i) & OTP_ADDR2_10_3)); + + ret = lan78xx_write_reg(dev, OTP_FUNC_CMD, OTP_FUNC_CMD_READ_); + ret = lan78xx_write_reg(dev, OTP_CMD_GO, OTP_CMD_GO_GO_); + + timeout = jiffies + HZ; + do { + udelay(1); + ret = lan78xx_read_reg(dev, OTP_STATUS, &buf); + if (time_after(jiffies, timeout)) { + netdev_warn(dev->net, + "timeout on OTP_STATUS"); + return -EIO; + } + } while (buf & OTP_STATUS_BUSY_); + + ret = lan78xx_read_reg(dev, OTP_RD_DATA, &buf); + + data[i] = (u8)(buf & 0xFF); + } + + return 0; +} + +static int lan78xx_read_otp(struct lan78xx_net *dev, u32 offset, + u32 length, u8 *data) +{ + u8 sig; + int ret; + + ret = lan78xx_read_raw_otp(dev, 0, 1, &sig); + + if (ret == 0) { + if (sig == OTP_INDICATOR_1) + offset = offset; + else if (sig == OTP_INDICATOR_2) + offset += 0x100; + else + ret = -EINVAL; + ret = lan78xx_read_raw_otp(dev, offset, length, data); + } + + return ret; +} + +static int lan78xx_dataport_wait_not_busy(struct lan78xx_net *dev) +{ + int i, ret; + + for (i = 0; i < 100; i++) { + u32 dp_sel; + + ret = lan78xx_read_reg(dev, DP_SEL, &dp_sel); + if (unlikely(ret < 0)) + return -EIO; + + if (dp_sel & DP_SEL_DPRDY_) + return 0; + + usleep_range(40, 100); + } + + netdev_warn(dev->net, "lan78xx_dataport_wait_not_busy timed out"); + + return -EIO; +} + +static int lan78xx_dataport_write(struct lan78xx_net *dev, u32 ram_select, + u32 addr, u32 length, u32 *buf) +{ + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + u32 dp_sel; + int i, ret; + + if (usb_autopm_get_interface(dev->intf) < 0) + return 0; + + mutex_lock(&pdata->dataport_mutex); + + ret = lan78xx_dataport_wait_not_busy(dev); + if (ret < 0) + goto done; + + ret = lan78xx_read_reg(dev, DP_SEL, &dp_sel); + + dp_sel &= ~DP_SEL_RSEL_MASK_; + dp_sel |= ram_select; + ret = lan78xx_write_reg(dev, DP_SEL, dp_sel); + + for (i = 0; i < length; i++) { + ret = lan78xx_write_reg(dev, DP_ADDR, addr + i); + + ret = lan78xx_write_reg(dev, DP_DATA, buf[i]); + + ret = lan78xx_write_reg(dev, DP_CMD, DP_CMD_WRITE_); + + ret = lan78xx_dataport_wait_not_busy(dev); + if (ret < 0) + goto done; + } + +done: + mutex_unlock(&pdata->dataport_mutex); + usb_autopm_put_interface(dev->intf); + + return ret; +} + +static void lan78xx_set_addr_filter(struct lan78xx_priv *pdata, + int index, u8 addr[ETH_ALEN]) +{ + u32 temp; + + if ((pdata) && (index > 0) && (index < NUM_OF_MAF)) { + temp = addr[3]; + temp = addr[2] | (temp << 8); + temp = addr[1] | (temp << 8); + temp = addr[0] | (temp << 8); + pdata->pfilter_table[index][1] = temp; + temp = addr[5]; + temp = addr[4] | (temp << 8); + temp |= MAF_HI_VALID_ | MAF_HI_TYPE_DST_; + pdata->pfilter_table[index][0] = temp; + } +} + +/* returns hash bit number for given MAC address */ +static inline u32 lan78xx_hash(char addr[ETH_ALEN]) +{ + return (ether_crc(ETH_ALEN, addr) >> 23) & 0x1ff; +} + +static void lan78xx_deferred_multicast_write(struct work_struct *param) +{ + struct lan78xx_priv *pdata = + container_of(param, struct lan78xx_priv, set_multicast); + struct lan78xx_net *dev = pdata->dev; + int i; + int ret; + + netif_dbg(dev, drv, dev->net, "deferred multicast write 0x%08x\n", + pdata->rfe_ctl); + + lan78xx_dataport_write(dev, DP_SEL_RSEL_VLAN_DA_, DP_SEL_VHF_VLAN_LEN, + DP_SEL_VHF_HASH_LEN, pdata->mchash_table); + + for (i = 1; i < NUM_OF_MAF; i++) { + ret = lan78xx_write_reg(dev, MAF_HI(i), 0); + ret = lan78xx_write_reg(dev, MAF_LO(i), + pdata->pfilter_table[i][1]); + ret = lan78xx_write_reg(dev, MAF_HI(i), + pdata->pfilter_table[i][0]); + } + + ret = lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); +} + +static void lan78xx_set_multicast(struct net_device *netdev) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + unsigned long flags; + int i; + + spin_lock_irqsave(&pdata->rfe_ctl_lock, flags); + + pdata->rfe_ctl &= ~(RFE_CTL_UCAST_EN_ | RFE_CTL_MCAST_EN_ | + RFE_CTL_DA_PERFECT_ | RFE_CTL_MCAST_HASH_); + + for (i = 0; i < DP_SEL_VHF_HASH_LEN; i++) + pdata->mchash_table[i] = 0; + /* pfilter_table[0] has own HW address */ + for (i = 1; i < NUM_OF_MAF; i++) { + pdata->pfilter_table[i][0] = + pdata->pfilter_table[i][1] = 0; + } + + pdata->rfe_ctl |= RFE_CTL_BCAST_EN_; + + if (dev->net->flags & IFF_PROMISC) { + netif_dbg(dev, drv, dev->net, "promiscuous mode enabled"); + pdata->rfe_ctl |= RFE_CTL_MCAST_EN_ | RFE_CTL_UCAST_EN_; + } else { + if (dev->net->flags & IFF_ALLMULTI) { + netif_dbg(dev, drv, dev->net, + "receive all multicast enabled"); + pdata->rfe_ctl |= RFE_CTL_MCAST_EN_; + } + } + + if (netdev_mc_count(dev->net)) { + struct netdev_hw_addr *ha; + int i; + + netif_dbg(dev, drv, dev->net, "receive multicast hash filter"); + + pdata->rfe_ctl |= RFE_CTL_DA_PERFECT_; + + i = 1; + netdev_for_each_mc_addr(ha, netdev) { + /* set first 32 into Perfect Filter */ + if (i < 33) { + lan78xx_set_addr_filter(pdata, i, ha->addr); + } else { + u32 bitnum = lan78xx_hash(ha->addr); + + pdata->mchash_table[bitnum / 32] |= + (1 << (bitnum % 32)); + pdata->rfe_ctl |= RFE_CTL_MCAST_HASH_; + } + i++; + } + } + + spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags); + + /* defer register writes to a sleepable context */ + schedule_work(&pdata->set_multicast); +} + +static int lan78xx_update_flowcontrol(struct lan78xx_net *dev, u8 duplex, + u16 lcladv, u16 rmtadv) +{ + u32 flow = 0, fct_flow = 0; + int ret; + + u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv); + + if (cap & FLOW_CTRL_TX) + flow = (FLOW_CR_TX_FCEN_ | 0xFFFF); + + if (cap & FLOW_CTRL_RX) + flow |= FLOW_CR_RX_FCEN_; + + if (dev->udev->speed == USB_SPEED_SUPER) + fct_flow = 0x817; + else if (dev->udev->speed == USB_SPEED_HIGH) + fct_flow = 0x211; + + netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s", + (cap & FLOW_CTRL_RX ? "enabled" : "disabled"), + (cap & FLOW_CTRL_TX ? "enabled" : "disabled")); + + ret = lan78xx_write_reg(dev, FCT_FLOW, fct_flow); + + /* threshold value should be set before enabling flow */ + ret = lan78xx_write_reg(dev, FLOW, flow); + + return 0; +} + +static int lan78xx_link_reset(struct lan78xx_net *dev) +{ + struct mii_if_info *mii = &dev->mii; + struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; + u16 ladv, radv, temp; + int ret; + u32 buf; + + /* clear PHY interrupt status */ + /* VTSE PHY */ + temp = lan78xx_mdio_read(dev->net, mii->phy_id, PHY_VTSE_INT_STS); + + /* clear LAN78xx interrupt status */ + ret = lan78xx_write_reg(dev, INT_STS, INT_STS_PHY_INT_); + if (unlikely(ret < 0)) + return -EIO; + + if (!mii_link_ok(mii) && dev->link_on) { + dev->link_on = false; + netif_carrier_off(dev->net); + + /* reset MAC */ + ret = lan78xx_read_reg(dev, MAC_CR, &buf); + if (unlikely(ret < 0)) + return -EIO; + buf |= MAC_CR_RST_; + ret = lan78xx_write_reg(dev, MAC_CR, buf); + if (unlikely(ret < 0)) + return -EIO; + } else if (mii_link_ok(mii) && !dev->link_on) { + dev->link_on = true; + + mii_check_media(mii, 1, 1); + mii_ethtool_gset(&dev->mii, &ecmd); + + mii->mdio_read(mii->dev, mii->phy_id, PHY_VTSE_INT_STS); + + if (dev->udev->speed == USB_SPEED_SUPER) { + if (ethtool_cmd_speed(&ecmd) == 1000) { + /* disable U2 */ + ret = lan78xx_read_reg(dev, USB_CFG1, &buf); + buf &= ~USB_CFG1_DEV_U2_INIT_EN_; + ret = lan78xx_write_reg(dev, USB_CFG1, buf); + /* enable U1 */ + ret = lan78xx_read_reg(dev, USB_CFG1, &buf); + buf |= USB_CFG1_DEV_U1_INIT_EN_; + ret = lan78xx_write_reg(dev, USB_CFG1, buf); + } else { + /* enable U1 & U2 */ + ret = lan78xx_read_reg(dev, USB_CFG1, &buf); + buf |= USB_CFG1_DEV_U2_INIT_EN_; + buf |= USB_CFG1_DEV_U1_INIT_EN_; + ret = lan78xx_write_reg(dev, USB_CFG1, buf); + } + } + + ladv = lan78xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE); + radv = lan78xx_mdio_read(dev->net, mii->phy_id, MII_LPA); + netif_dbg(dev, link, dev->net, + "speed: %u duplex: %d anadv: 0x%04x anlpa: 0x%04x", + ethtool_cmd_speed(&ecmd), ecmd.duplex, ladv, radv); + + ret = lan78xx_update_flowcontrol(dev, ecmd.duplex, ladv, radv); + netif_carrier_on(dev->net); + } + + return ret; +} + +/* some work can't be done in tasklets, so we use keventd + * + * NOTE: annoying asymmetry: if it's active, schedule_work() fails, + * but tasklet_schedule() doesn't. hope the failure is rare. + */ +void lan78xx_defer_kevent(struct lan78xx_net *dev, int work) +{ + set_bit(work, &dev->flags); + if (!schedule_delayed_work(&dev->wq, 0)) + netdev_err(dev->net, "kevent %d may have been dropped\n", work); +} + +static void lan78xx_status(struct lan78xx_net *dev, struct urb *urb) +{ + u32 intdata; + + if (urb->actual_length != 4) { + netdev_warn(dev->net, + "unexpected urb length %d", urb->actual_length); + return; + } + + memcpy(&intdata, urb->transfer_buffer, 4); + le32_to_cpus(&intdata); + + if (intdata & INT_ENP_PHY_INT) { + netif_dbg(dev, link, dev->net, "PHY INTR: 0x%08x\n", intdata); + lan78xx_defer_kevent(dev, EVENT_LINK_RESET); + } else + netdev_warn(dev->net, + "unexpected interrupt: 0x%08x\n", intdata); +} + +static int lan78xx_ethtool_get_eeprom_len(struct net_device *netdev) +{ + return MAX_EEPROM_SIZE; +} + +static int lan78xx_ethtool_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *ee, u8 *data) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + + ee->magic = LAN78XX_EEPROM_MAGIC; + + return lan78xx_read_raw_eeprom(dev, ee->offset, ee->len, data); +} + +static int lan78xx_ethtool_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *ee, u8 *data) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + + /* Allow entire eeprom update only */ + if ((ee->magic == LAN78XX_EEPROM_MAGIC) && + (ee->offset == 0) && + (ee->len == 512) && + (data[0] == EEPROM_INDICATOR)) + return lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data); + else if ((ee->magic == LAN78XX_OTP_MAGIC) && + (ee->offset == 0) && + (ee->len == 512) && + (data[0] == OTP_INDICATOR_1)) + return lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data); + + return -EINVAL; +} + +static void lan78xx_get_strings(struct net_device *netdev, u32 stringset, + u8 *data) +{ + if (stringset == ETH_SS_STATS) + memcpy(data, lan78xx_gstrings, sizeof(lan78xx_gstrings)); +} + +static int lan78xx_get_sset_count(struct net_device *netdev, int sset) +{ + if (sset == ETH_SS_STATS) + return ARRAY_SIZE(lan78xx_gstrings); + else + return -EOPNOTSUPP; +} + +static void lan78xx_get_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 *data) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_statstage lan78xx_stat; + u32 *p; + int i; + + if (usb_autopm_get_interface(dev->intf) < 0) + return; + + if (lan78xx_read_stats(dev, &lan78xx_stat) > 0) { + p = (u32 *)&lan78xx_stat; + for (i = 0; i < (sizeof(lan78xx_stat) / (sizeof(u32))); i++) + data[i] = p[i]; + } + + usb_autopm_put_interface(dev->intf); +} + +static void lan78xx_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + int ret; + u32 buf; + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + + if (usb_autopm_get_interface(dev->intf) < 0) + return; + + ret = lan78xx_read_reg(dev, USB_CFG0, &buf); + if (unlikely(ret < 0)) { + wol->supported = 0; + wol->wolopts = 0; + } else { + if (buf & USB_CFG_RMT_WKP_) { + wol->supported = WAKE_ALL; + wol->wolopts = pdata->wol; + } else { + wol->supported = 0; + wol->wolopts = 0; + } + } + + usb_autopm_put_interface(dev->intf); +} + +static int lan78xx_set_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + int ret; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + return ret; + + pdata->wol = 0; + if (wol->wolopts & WAKE_UCAST) + pdata->wol |= WAKE_UCAST; + if (wol->wolopts & WAKE_MCAST) + pdata->wol |= WAKE_MCAST; + if (wol->wolopts & WAKE_BCAST) + pdata->wol |= WAKE_BCAST; + if (wol->wolopts & WAKE_MAGIC) + pdata->wol |= WAKE_MAGIC; + if (wol->wolopts & WAKE_PHY) + pdata->wol |= WAKE_PHY; + if (wol->wolopts & WAKE_ARP) + pdata->wol |= WAKE_ARP; + + device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts); + + usb_autopm_put_interface(dev->intf); + + return ret; +} + +static int lan78xx_get_eee(struct net_device *net, struct ethtool_eee *edata) +{ + struct lan78xx_net *dev = netdev_priv(net); + int ret; + u32 buf; + u32 adv, lpadv; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + return ret; + + ret = lan78xx_read_reg(dev, MAC_CR, &buf); + if (buf & MAC_CR_EEE_EN_) { + buf = lan78xx_mmd_read(dev->net, dev->mii.phy_id, + PHY_MMD_DEV_7, PHY_EEE_ADVERTISEMENT); + adv = mmd_eee_adv_to_ethtool_adv_t(buf); + buf = lan78xx_mmd_read(dev->net, dev->mii.phy_id, + PHY_MMD_DEV_7, PHY_EEE_LP_ADVERTISEMENT); + lpadv = mmd_eee_adv_to_ethtool_adv_t(buf); + + edata->eee_enabled = true; + edata->supported = true; + edata->eee_active = !!(adv & lpadv); + edata->advertised = adv; + edata->lp_advertised = lpadv; + edata->tx_lpi_enabled = true; + /* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */ + ret = lan78xx_read_reg(dev, EEE_TX_LPI_REQ_DLY, &buf); + edata->tx_lpi_timer = buf; + } else { + buf = lan78xx_mmd_read(dev->net, dev->mii.phy_id, + PHY_MMD_DEV_7, PHY_EEE_LP_ADVERTISEMENT); + lpadv = mmd_eee_adv_to_ethtool_adv_t(buf); + + edata->eee_enabled = false; + edata->eee_active = false; + edata->supported = false; + edata->advertised = 0; + edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(lpadv); + edata->tx_lpi_enabled = false; + edata->tx_lpi_timer = 0; + } + + usb_autopm_put_interface(dev->intf); + + return 0; +} + +static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata) +{ + struct lan78xx_net *dev = netdev_priv(net); + int ret; + u32 buf; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + return ret; + + if (edata->eee_enabled) { + ret = lan78xx_read_reg(dev, MAC_CR, &buf); + buf |= MAC_CR_EEE_EN_; + ret = lan78xx_write_reg(dev, MAC_CR, buf); + + buf = ethtool_adv_to_mmd_eee_adv_t(edata->advertised); + lan78xx_mmd_write(dev->net, dev->mii.phy_id, + PHY_MMD_DEV_7, PHY_EEE_ADVERTISEMENT, buf); + } else { + ret = lan78xx_read_reg(dev, MAC_CR, &buf); + buf &= ~MAC_CR_EEE_EN_; + ret = lan78xx_write_reg(dev, MAC_CR, buf); + } + + usb_autopm_put_interface(dev->intf); + + return 0; +} + +static u32 lan78xx_get_link(struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + + return mii_link_ok(&dev->mii); +} + +int lan78xx_nway_reset(struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + + if ((!dev->mii.mdio_read) || (!dev->mii.mdio_write)) + return -EOPNOTSUPP; + + return mii_nway_restart(&dev->mii); +} + +static void lan78xx_get_drvinfo(struct net_device *net, + struct ethtool_drvinfo *info) +{ + struct lan78xx_net *dev = netdev_priv(net); + + strncpy(info->driver, DRIVER_NAME, sizeof(info->driver)); + strncpy(info->version, DRIVER_VERSION, sizeof(info->version)); + usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info)); +} + +static u32 lan78xx_get_msglevel(struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + + return dev->msg_enable; +} + +static void lan78xx_set_msglevel(struct net_device *net, u32 level) +{ + struct lan78xx_net *dev = netdev_priv(net); + + dev->msg_enable = level; +} + +static int lan78xx_get_settings(struct net_device *net, struct ethtool_cmd *cmd) +{ + struct lan78xx_net *dev = netdev_priv(net); + struct mii_if_info *mii = &dev->mii; + int ret; + int buf; + + if ((!dev->mii.mdio_read) || (!dev->mii.mdio_write)) + return -EOPNOTSUPP; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + return ret; + + ret = mii_ethtool_gset(&dev->mii, cmd); + + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_1); + buf = mii->mdio_read(mii->dev, mii->phy_id, PHY_EXT_MODE_CTRL); + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_0); + + buf &= PHY_EXT_MODE_CTRL_MDIX_MASK_; + if (buf == PHY_EXT_MODE_CTRL_AUTO_MDIX_) { + cmd->eth_tp_mdix = ETH_TP_MDI_AUTO; + cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; + } else if (buf == PHY_EXT_MODE_CTRL_MDI_) { + cmd->eth_tp_mdix = ETH_TP_MDI; + cmd->eth_tp_mdix_ctrl = ETH_TP_MDI; + } else if (buf == PHY_EXT_MODE_CTRL_MDI_X_) { + cmd->eth_tp_mdix = ETH_TP_MDI_X; + cmd->eth_tp_mdix_ctrl = ETH_TP_MDI_X; + } + + usb_autopm_put_interface(dev->intf); + + return ret; +} + +static int lan78xx_set_settings(struct net_device *net, struct ethtool_cmd *cmd) +{ + struct lan78xx_net *dev = netdev_priv(net); + struct mii_if_info *mii = &dev->mii; + int ret = 0; + int temp; + + if ((!dev->mii.mdio_read) || (!dev->mii.mdio_write)) + return -EOPNOTSUPP; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + return ret; + + if (dev->mdix_ctrl != cmd->eth_tp_mdix_ctrl) { + if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI) { + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, + PHY_EXT_GPIO_PAGE_SPACE_1); + temp = mii->mdio_read(mii->dev, mii->phy_id, + PHY_EXT_MODE_CTRL); + temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_; + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_MODE_CTRL, + temp | PHY_EXT_MODE_CTRL_MDI_); + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, + PHY_EXT_GPIO_PAGE_SPACE_0); + } else if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI_X) { + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, + PHY_EXT_GPIO_PAGE_SPACE_1); + temp = mii->mdio_read(mii->dev, mii->phy_id, + PHY_EXT_MODE_CTRL); + temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_; + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_MODE_CTRL, + temp | PHY_EXT_MODE_CTRL_MDI_X_); + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, + PHY_EXT_GPIO_PAGE_SPACE_0); + } else if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) { + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, + PHY_EXT_GPIO_PAGE_SPACE_1); + temp = mii->mdio_read(mii->dev, mii->phy_id, + PHY_EXT_MODE_CTRL); + temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_; + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_MODE_CTRL, + temp | PHY_EXT_MODE_CTRL_AUTO_MDIX_); + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, + PHY_EXT_GPIO_PAGE_SPACE_0); + } + } + + /* change speed & duplex */ + ret = mii_ethtool_sset(&dev->mii, cmd); + + if (!cmd->autoneg) { + /* force link down */ + temp = mii->mdio_read(mii->dev, mii->phy_id, MII_BMCR); + mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR, + temp | BMCR_LOOPBACK); + mdelay(1); + mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR, temp); + } + + usb_autopm_put_interface(dev->intf); + + return ret; +} + +static const struct ethtool_ops lan78xx_ethtool_ops = { + .get_link = lan78xx_get_link, + .nway_reset = lan78xx_nway_reset, + .get_drvinfo = lan78xx_get_drvinfo, + .get_msglevel = lan78xx_get_msglevel, + .set_msglevel = lan78xx_set_msglevel, + .get_settings = lan78xx_get_settings, + .set_settings = lan78xx_set_settings, + .get_eeprom_len = lan78xx_ethtool_get_eeprom_len, + .get_eeprom = lan78xx_ethtool_get_eeprom, + .set_eeprom = lan78xx_ethtool_set_eeprom, + .get_ethtool_stats = lan78xx_get_stats, + .get_sset_count = lan78xx_get_sset_count, + .get_strings = lan78xx_get_strings, + .get_wol = lan78xx_get_wol, + .set_wol = lan78xx_set_wol, + .get_eee = lan78xx_get_eee, + .set_eee = lan78xx_set_eee, +}; + +static int lan78xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + + if (!netif_running(netdev)) + return -EINVAL; + + return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); +} + +static void lan78xx_init_mac_address(struct lan78xx_net *dev) +{ + u32 addr_lo, addr_hi; + int ret; + u8 addr[6]; + + ret = lan78xx_read_reg(dev, RX_ADDRL, &addr_lo); + ret = lan78xx_read_reg(dev, RX_ADDRH, &addr_hi); + + addr[0] = addr_lo & 0xFF; + addr[1] = (addr_lo >> 8) & 0xFF; + addr[2] = (addr_lo >> 16) & 0xFF; + addr[3] = (addr_lo >> 24) & 0xFF; + addr[4] = addr_hi & 0xFF; + addr[5] = (addr_hi >> 8) & 0xFF; + + if (!is_valid_ether_addr(addr)) { + /* reading mac address from EEPROM or OTP */ + if ((lan78xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, + addr) == 0) || + (lan78xx_read_otp(dev, EEPROM_MAC_OFFSET, ETH_ALEN, + addr) == 0)) { + if (is_valid_ether_addr(addr)) { + /* eeprom values are valid so use them */ + netif_dbg(dev, ifup, dev->net, + "MAC address read from EEPROM"); + } else { + /* generate random MAC */ + random_ether_addr(addr); + netif_dbg(dev, ifup, dev->net, + "MAC address set to random addr"); + } + + addr_lo = addr[0] | (addr[1] << 8) | + (addr[2] << 16) | (addr[3] << 24); + addr_hi = addr[4] | (addr[5] << 8); + + ret = lan78xx_write_reg(dev, RX_ADDRL, addr_lo); + ret = lan78xx_write_reg(dev, RX_ADDRH, addr_hi); + } else { + /* generate random MAC */ + random_ether_addr(addr); + netif_dbg(dev, ifup, dev->net, + "MAC address set to random addr"); + } + } + + ret = lan78xx_write_reg(dev, MAF_LO(0), addr_lo); + ret = lan78xx_write_reg(dev, MAF_HI(0), addr_hi | MAF_HI_VALID_); + + ether_addr_copy(dev->net->dev_addr, addr); +} + +static void lan78xx_mii_init(struct lan78xx_net *dev) +{ + /* Initialize MII structure */ + dev->mii.dev = dev->net; + dev->mii.mdio_read = lan78xx_mdio_read; + dev->mii.mdio_write = lan78xx_mdio_write; + dev->mii.phy_id_mask = 0x1f; + dev->mii.reg_num_mask = 0x1f; + dev->mii.phy_id = INTERNAL_PHY_ID; + dev->mii.supports_gmii = true; +} + +static int lan78xx_phy_init(struct lan78xx_net *dev) +{ + int temp; + struct mii_if_info *mii = &dev->mii; + + if ((!mii->mdio_write) || (!mii->mdio_read)) + return -EOPNOTSUPP; + + temp = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE); + temp |= ADVERTISE_ALL; + mii->mdio_write(mii->dev, mii->phy_id, MII_ADVERTISE, + temp | ADVERTISE_CSMA | + ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + + /* set to AUTOMDIX */ + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_1); + temp = mii->mdio_read(mii->dev, mii->phy_id, PHY_EXT_MODE_CTRL); + temp &= ~PHY_EXT_MODE_CTRL_MDIX_MASK_; + mii->mdio_write(mii->dev, mii->phy_id, PHY_EXT_MODE_CTRL, + temp | PHY_EXT_MODE_CTRL_AUTO_MDIX_); + mii->mdio_write(mii->dev, mii->phy_id, + PHY_EXT_GPIO_PAGE, PHY_EXT_GPIO_PAGE_SPACE_0); + dev->mdix_ctrl = ETH_TP_MDI_AUTO; + + /* MAC doesn't support 1000HD */ + temp = mii->mdio_read(mii->dev, mii->phy_id, MII_CTRL1000); + mii->mdio_write(mii->dev, mii->phy_id, MII_CTRL1000, + temp & ~ADVERTISE_1000HALF); + + /* clear interrupt */ + mii->mdio_read(mii->dev, mii->phy_id, PHY_VTSE_INT_STS); + mii->mdio_write(mii->dev, mii->phy_id, PHY_VTSE_INT_MASK, + PHY_VTSE_INT_MASK_MDINTPIN_EN_ | + PHY_VTSE_INT_MASK_LINK_CHANGE_); + + netif_dbg(dev, ifup, dev->net, "phy initialised successfully"); + + return 0; +} + +static int lan78xx_set_rx_max_frame_length(struct lan78xx_net *dev, int size) +{ + int ret = 0; + u32 buf; + bool rxenabled; + + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + + rxenabled = ((buf & MAC_RX_RXEN_) != 0); + + if (rxenabled) { + buf &= ~MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + } + + /* add 4 to size for FCS */ + buf &= ~MAC_RX_MAX_SIZE_MASK_; + buf |= (((size + 4) << MAC_RX_MAX_SIZE_SHIFT_) & MAC_RX_MAX_SIZE_MASK_); + + ret = lan78xx_write_reg(dev, MAC_RX, buf); + + if (rxenabled) { + buf |= MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + } + + return 0; +} + +static int unlink_urbs(struct lan78xx_net *dev, struct sk_buff_head *q) +{ + struct sk_buff *skb; + unsigned long flags; + int count = 0; + + spin_lock_irqsave(&q->lock, flags); + while (!skb_queue_empty(q)) { + struct skb_data *entry; + struct urb *urb; + int ret; + + skb_queue_walk(q, skb) { + entry = (struct skb_data *)skb->cb; + if (entry->state != unlink_start) + goto found; + } + break; +found: + entry->state = unlink_start; + urb = entry->urb; + + /* Get reference count of the URB to avoid it to be + * freed during usb_unlink_urb, which may trigger + * use-after-free problem inside usb_unlink_urb since + * usb_unlink_urb is always racing with .complete + * handler(include defer_bh). + */ + usb_get_urb(urb); + spin_unlock_irqrestore(&q->lock, flags); + /* during some PM-driven resume scenarios, + * these (async) unlinks complete immediately + */ + ret = usb_unlink_urb(urb); + if (ret != -EINPROGRESS && ret != 0) + netdev_dbg(dev->net, "unlink urb err, %d\n", ret); + else + count++; + usb_put_urb(urb); + spin_lock_irqsave(&q->lock, flags); + } + spin_unlock_irqrestore(&q->lock, flags); + return count; +} + +static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + int ll_mtu = new_mtu + netdev->hard_header_len; + int old_hard_mtu = dev->hard_mtu; + int old_rx_urb_size = dev->rx_urb_size; + int ret; + + if (new_mtu > MAX_SINGLE_PACKET_SIZE) + return -EINVAL; + + if (new_mtu <= 0) + return -EINVAL; + /* no second zero-length packet read wanted after mtu-sized packets */ + if ((ll_mtu % dev->maxpacket) == 0) + return -EDOM; + + ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN); + + netdev->mtu = new_mtu; + + dev->hard_mtu = netdev->mtu + netdev->hard_header_len; + if (dev->rx_urb_size == old_hard_mtu) { + dev->rx_urb_size = dev->hard_mtu; + if (dev->rx_urb_size > old_rx_urb_size) { + if (netif_running(dev->net)) { + unlink_urbs(dev, &dev->rxq); + tasklet_schedule(&dev->bh); + } + } + } + + return 0; +} + +int lan78xx_set_mac_addr(struct net_device *netdev, void *p) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct sockaddr *addr = p; + u32 addr_lo, addr_hi; + int ret; + + if (netif_running(netdev)) + return -EBUSY; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + ether_addr_copy(netdev->dev_addr, addr->sa_data); + + addr_lo = netdev->dev_addr[0] | + netdev->dev_addr[1] << 8 | + netdev->dev_addr[2] << 16 | + netdev->dev_addr[3] << 24; + addr_hi = netdev->dev_addr[4] | + netdev->dev_addr[5] << 8; + + ret = lan78xx_write_reg(dev, RX_ADDRL, addr_lo); + ret = lan78xx_write_reg(dev, RX_ADDRH, addr_hi); + + return 0; +} + +/* Enable or disable Rx checksum offload engine */ +static int lan78xx_set_features(struct net_device *netdev, + netdev_features_t features) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + unsigned long flags; + int ret; + + spin_lock_irqsave(&pdata->rfe_ctl_lock, flags); + + if (features & NETIF_F_RXCSUM) { + pdata->rfe_ctl |= RFE_CTL_TCPUDP_COE_ | RFE_CTL_IP_COE_; + pdata->rfe_ctl |= RFE_CTL_ICMP_COE_ | RFE_CTL_IGMP_COE_; + } else { + pdata->rfe_ctl &= ~(RFE_CTL_TCPUDP_COE_ | RFE_CTL_IP_COE_); + pdata->rfe_ctl &= ~(RFE_CTL_ICMP_COE_ | RFE_CTL_IGMP_COE_); + } + + if (features & NETIF_F_HW_VLAN_CTAG_RX) + pdata->rfe_ctl |= RFE_CTL_VLAN_FILTER_; + else + pdata->rfe_ctl &= ~RFE_CTL_VLAN_FILTER_; + + spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags); + + ret = lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); + + return 0; +} + +static void lan78xx_deferred_vlan_write(struct work_struct *param) +{ + struct lan78xx_priv *pdata = + container_of(param, struct lan78xx_priv, set_vlan); + struct lan78xx_net *dev = pdata->dev; + + lan78xx_dataport_write(dev, DP_SEL_RSEL_VLAN_DA_, 0, + DP_SEL_VHF_VLAN_LEN, pdata->vlan_table); +} + +static int lan78xx_vlan_rx_add_vid(struct net_device *netdev, + __be16 proto, u16 vid) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + u16 vid_bit_index; + u16 vid_dword_index; + + vid_dword_index = (vid >> 5) & 0x7F; + vid_bit_index = vid & 0x1F; + + pdata->vlan_table[vid_dword_index] |= (1 << vid_bit_index); + + /* defer register writes to a sleepable context */ + schedule_work(&pdata->set_vlan); + + return 0; +} + +static int lan78xx_vlan_rx_kill_vid(struct net_device *netdev, + __be16 proto, u16 vid) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + u16 vid_bit_index; + u16 vid_dword_index; + + vid_dword_index = (vid >> 5) & 0x7F; + vid_bit_index = vid & 0x1F; + + pdata->vlan_table[vid_dword_index] &= ~(1 << vid_bit_index); + + /* defer register writes to a sleepable context */ + schedule_work(&pdata->set_vlan); + + return 0; +} + +static void lan78xx_init_ltm(struct lan78xx_net *dev) +{ + int ret; + u32 buf; + u32 regs[6] = { 0 }; + + ret = lan78xx_read_reg(dev, USB_CFG1, &buf); + if (buf & USB_CFG1_LTM_ENABLE_) { + u8 temp[2]; + /* Get values from EEPROM first */ + if (lan78xx_read_eeprom(dev, 0x3F, 2, temp) == 0) { + if (temp[0] == 24) { + ret = lan78xx_read_raw_eeprom(dev, + temp[1] * 2, + 24, + (u8 *)regs); + if (ret < 0) + return; + } + } else if (lan78xx_read_otp(dev, 0x3F, 2, temp) == 0) { + if (temp[0] == 24) { + ret = lan78xx_read_raw_otp(dev, + temp[1] * 2, + 24, + (u8 *)regs); + if (ret < 0) + return; + } + } + } + + lan78xx_write_reg(dev, LTM_BELT_IDLE0, regs[0]); + lan78xx_write_reg(dev, LTM_BELT_IDLE1, regs[1]); + lan78xx_write_reg(dev, LTM_BELT_ACT0, regs[2]); + lan78xx_write_reg(dev, LTM_BELT_ACT1, regs[3]); + lan78xx_write_reg(dev, LTM_INACTIVE0, regs[4]); + lan78xx_write_reg(dev, LTM_INACTIVE1, regs[5]); +} + +static int lan78xx_reset(struct lan78xx_net *dev) +{ + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + u32 buf; + int ret = 0; + unsigned long timeout; + + ret = lan78xx_read_reg(dev, HW_CFG, &buf); + buf |= HW_CFG_LRST_; + ret = lan78xx_write_reg(dev, HW_CFG, buf); + + timeout = jiffies + HZ; + do { + mdelay(1); + ret = lan78xx_read_reg(dev, HW_CFG, &buf); + if (time_after(jiffies, timeout)) { + netdev_warn(dev->net, + "timeout on completion of LiteReset"); + return -EIO; + } + } while (buf & HW_CFG_LRST_); + + lan78xx_init_mac_address(dev); + + /* Respond to the IN token with a NAK */ + ret = lan78xx_read_reg(dev, USB_CFG0, &buf); + buf |= USB_CFG_BIR_; + ret = lan78xx_write_reg(dev, USB_CFG0, buf); + + /* Init LTM */ + lan78xx_init_ltm(dev); + + dev->net->hard_header_len += TX_OVERHEAD; + dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; + + if (dev->udev->speed == USB_SPEED_SUPER) { + buf = DEFAULT_BURST_CAP_SIZE / SS_USB_PKT_SIZE; + dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE; + dev->rx_qlen = 4; + dev->tx_qlen = 4; + } else if (dev->udev->speed == USB_SPEED_HIGH) { + buf = DEFAULT_BURST_CAP_SIZE / HS_USB_PKT_SIZE; + dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE; + dev->rx_qlen = RX_MAX_QUEUE_MEMORY / dev->rx_urb_size; + dev->tx_qlen = RX_MAX_QUEUE_MEMORY / dev->hard_mtu; + } else { + buf = DEFAULT_BURST_CAP_SIZE / FS_USB_PKT_SIZE; + dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE; + dev->rx_qlen = 4; + } + + ret = lan78xx_write_reg(dev, BURST_CAP, buf); + ret = lan78xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY); + + ret = lan78xx_read_reg(dev, HW_CFG, &buf); + buf |= HW_CFG_MEF_; + ret = lan78xx_write_reg(dev, HW_CFG, buf); + + ret = lan78xx_read_reg(dev, USB_CFG0, &buf); + buf |= USB_CFG_BCE_; + ret = lan78xx_write_reg(dev, USB_CFG0, buf); + + /* set FIFO sizes */ + buf = (MAX_RX_FIFO_SIZE - 512) / 512; + ret = lan78xx_write_reg(dev, FCT_RX_FIFO_END, buf); + + buf = (MAX_TX_FIFO_SIZE - 512) / 512; + ret = lan78xx_write_reg(dev, FCT_TX_FIFO_END, buf); + + ret = lan78xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_); + ret = lan78xx_write_reg(dev, FLOW, 0); + ret = lan78xx_write_reg(dev, FCT_FLOW, 0); + + /* Don't need rfe_ctl_lock during initialisation */ + ret = lan78xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl); + pdata->rfe_ctl |= RFE_CTL_BCAST_EN_ | RFE_CTL_DA_PERFECT_; + ret = lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); + + /* Enable or disable checksum offload engines */ + lan78xx_set_features(dev->net, dev->net->features); + + lan78xx_set_multicast(dev->net); + + /* reset PHY */ + ret = lan78xx_read_reg(dev, PMT_CTL, &buf); + buf |= PMT_CTL_PHY_RST_; + ret = lan78xx_write_reg(dev, PMT_CTL, buf); + + timeout = jiffies + HZ; + do { + mdelay(1); + ret = lan78xx_read_reg(dev, PMT_CTL, &buf); + if (time_after(jiffies, timeout)) { + netdev_warn(dev->net, "timeout waiting for PHY Reset"); + return -EIO; + } + } while (buf & PMT_CTL_PHY_RST_); + + lan78xx_mii_init(dev); + + ret = lan78xx_phy_init(dev); + + ret = lan78xx_read_reg(dev, MAC_CR, &buf); + + buf |= MAC_CR_GMII_EN_; + buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_; + + ret = lan78xx_write_reg(dev, MAC_CR, buf); + + /* enable on PHY */ + if (buf & MAC_CR_EEE_EN_) + lan78xx_mmd_write(dev->net, dev->mii.phy_id, 0x07, 0x3C, 0x06); + + /* enable PHY interrupts */ + ret = lan78xx_read_reg(dev, INT_EP_CTL, &buf); + buf |= INT_ENP_PHY_INT; + ret = lan78xx_write_reg(dev, INT_EP_CTL, buf); + + ret = lan78xx_read_reg(dev, MAC_TX, &buf); + buf |= MAC_TX_TXEN_; + ret = lan78xx_write_reg(dev, MAC_TX, buf); + + ret = lan78xx_read_reg(dev, FCT_TX_CTL, &buf); + buf |= FCT_TX_CTL_EN_; + ret = lan78xx_write_reg(dev, FCT_TX_CTL, buf); + + ret = lan78xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN); + + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf |= MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + + ret = lan78xx_read_reg(dev, FCT_RX_CTL, &buf); + buf |= FCT_RX_CTL_EN_; + ret = lan78xx_write_reg(dev, FCT_RX_CTL, buf); + + if (!mii_nway_restart(&dev->mii)) + netif_dbg(dev, link, dev->net, "autoneg initiated"); + + return 0; +} + +static int lan78xx_open(struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + int ret; + + ret = usb_autopm_get_interface(dev->intf); + if (ret < 0) + goto out; + + ret = lan78xx_reset(dev); + if (ret < 0) + goto done; + + /* for Link Check */ + if (dev->urb_intr) { + ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL); + if (ret < 0) { + netif_err(dev, ifup, dev->net, + "intr submit %d\n", ret); + goto done; + } + } + + set_bit(EVENT_DEV_OPEN, &dev->flags); + + netif_start_queue(net); + + dev->link_on = false; + + lan78xx_defer_kevent(dev, EVENT_LINK_RESET); +done: + usb_autopm_put_interface(dev->intf); + +out: + return ret; +} + +static void lan78xx_terminate_urbs(struct lan78xx_net *dev) +{ + DECLARE_WAIT_QUEUE_HEAD_ONSTACK(unlink_wakeup); + DECLARE_WAITQUEUE(wait, current); + int temp; + + /* ensure there are no more active urbs */ + add_wait_queue(&unlink_wakeup, &wait); + set_current_state(TASK_UNINTERRUPTIBLE); + dev->wait = &unlink_wakeup; + temp = unlink_urbs(dev, &dev->txq) + unlink_urbs(dev, &dev->rxq); + + /* maybe wait for deletions to finish. */ + while (!skb_queue_empty(&dev->rxq) && + !skb_queue_empty(&dev->txq) && + !skb_queue_empty(&dev->done)) { + schedule_timeout(msecs_to_jiffies(UNLINK_TIMEOUT_MS)); + set_current_state(TASK_UNINTERRUPTIBLE); + netif_dbg(dev, ifdown, dev->net, + "waited for %d urb completions\n", temp); + } + set_current_state(TASK_RUNNING); + dev->wait = NULL; + remove_wait_queue(&unlink_wakeup, &wait); +} + +int lan78xx_stop(struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + + clear_bit(EVENT_DEV_OPEN, &dev->flags); + netif_stop_queue(net); + + netif_info(dev, ifdown, dev->net, + "stop stats: rx/tx %lu/%lu, errs %lu/%lu\n", + net->stats.rx_packets, net->stats.tx_packets, + net->stats.rx_errors, net->stats.tx_errors); + + lan78xx_terminate_urbs(dev); + + usb_kill_urb(dev->urb_intr); + + skb_queue_purge(&dev->rxq_pause); + + /* deferred work (task, timer, softirq) must also stop. + * can't flush_scheduled_work() until we drop rtnl (later), + * else workers could deadlock; so make workers a NOP. + */ + dev->flags = 0; + cancel_delayed_work_sync(&dev->wq); + tasklet_kill(&dev->bh); + + usb_autopm_put_interface(dev->intf); + + return 0; +} + +static int lan78xx_linearize(struct sk_buff *skb) +{ + return skb_linearize(skb); +} + +static struct sk_buff *lan78xx_tx_prep(struct lan78xx_net *dev, + struct sk_buff *skb, gfp_t flags) +{ + u32 tx_cmd_a, tx_cmd_b; + + if (skb_headroom(skb) < TX_OVERHEAD) { + struct sk_buff *skb2; + + skb2 = skb_copy_expand(skb, TX_OVERHEAD, 0, flags); + dev_kfree_skb_any(skb); + skb = skb2; + if (!skb) + return NULL; + } + + if (lan78xx_linearize(skb) < 0) + return NULL; + + tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN_MASK_) | TX_CMD_A_FCS_; + + if (skb->ip_summed == CHECKSUM_PARTIAL) + tx_cmd_a |= TX_CMD_A_IPE_ | TX_CMD_A_TPE_; + + tx_cmd_b = 0; + if (skb_is_gso(skb)) { + u16 mss = max(skb_shinfo(skb)->gso_size, TX_CMD_B_MSS_MIN_); + + tx_cmd_b = (mss << TX_CMD_B_MSS_SHIFT_) & TX_CMD_B_MSS_MASK_; + + tx_cmd_a |= TX_CMD_A_LSO_; + } + + if (skb_vlan_tag_present(skb)) { + tx_cmd_a |= TX_CMD_A_IVTG_; + tx_cmd_b |= skb_vlan_tag_get(skb) & TX_CMD_B_VTAG_MASK_; + } + + skb_push(skb, 4); + cpu_to_le32s(&tx_cmd_b); + memcpy(skb->data, &tx_cmd_b, 4); + + skb_push(skb, 4); + cpu_to_le32s(&tx_cmd_a); + memcpy(skb->data, &tx_cmd_a, 4); + + return skb; +} + +static enum skb_state defer_bh(struct lan78xx_net *dev, struct sk_buff *skb, + struct sk_buff_head *list, enum skb_state state) +{ + unsigned long flags; + enum skb_state old_state; + struct skb_data *entry = (struct skb_data *)skb->cb; + + spin_lock_irqsave(&list->lock, flags); + old_state = entry->state; + entry->state = state; + if (!list->prev) + BUG_ON(!list->prev); + if (!list->next) + BUG_ON(!list->next); + if (!skb->prev || !skb->next) + BUG_ON(true); + + __skb_unlink(skb, list); + spin_unlock(&list->lock); + spin_lock(&dev->done.lock); + if (!dev->done.prev) + BUG_ON(!dev->done.prev); + if (!dev->done.next) + BUG_ON(!dev->done.next); + + __skb_queue_tail(&dev->done, skb); + if (skb_queue_len(&dev->done) == 1) + tasklet_schedule(&dev->bh); + spin_unlock_irqrestore(&dev->done.lock, flags); + + return old_state; +} + +static void tx_complete(struct urb *urb) +{ + struct sk_buff *skb = (struct sk_buff *)urb->context; + struct skb_data *entry = (struct skb_data *)skb->cb; + struct lan78xx_net *dev = entry->dev; + + if (urb->status == 0) { + dev->net->stats.tx_packets++; + dev->net->stats.tx_bytes += entry->length; + } else { + dev->net->stats.tx_errors++; + + switch (urb->status) { + case -EPIPE: + lan78xx_defer_kevent(dev, EVENT_TX_HALT); + break; + + /* software-driven interface shutdown */ + case -ECONNRESET: + case -ESHUTDOWN: + break; + + case -EPROTO: + case -ETIME: + case -EILSEQ: + netif_stop_queue(dev->net); + break; + default: + netif_dbg(dev, tx_err, dev->net, + "tx err %d\n", entry->urb->status); + break; + } + } + + usb_autopm_put_interface_async(dev->intf); + + if (skb) + defer_bh(dev, skb, &dev->txq, tx_done); +} + +static void lan78xx_queue_skb(struct sk_buff_head *list, + struct sk_buff *newsk, enum skb_state state) +{ + struct skb_data *entry = (struct skb_data *)newsk->cb; + + __skb_queue_tail(list, newsk); + entry->state = state; +} + +netdev_tx_t lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + + if (skb) + skb_tx_timestamp(skb); + + skb = lan78xx_tx_prep(dev, skb, GFP_ATOMIC); + if (skb) { + skb_queue_tail(&dev->txq_pend, skb); + + if (skb_queue_len(&dev->txq_pend) > 10) + netif_stop_queue(net); + } else { + netif_dbg(dev, tx_err, dev->net, + "lan78xx_tx_prep return NULL\n"); + dev->net->stats.tx_errors++; + dev->net->stats.tx_dropped++; + } + + tasklet_schedule(&dev->bh); + + return NETDEV_TX_OK; +} + +int lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf) +{ + int tmp; + struct usb_host_interface *alt = NULL; + struct usb_host_endpoint *in = NULL, *out = NULL; + struct usb_host_endpoint *status = NULL; + + for (tmp = 0; tmp < intf->num_altsetting; tmp++) { + unsigned ep; + + in = NULL; + out = NULL; + status = NULL; + alt = intf->altsetting + tmp; + + for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { + struct usb_host_endpoint *e; + int intr = 0; + + e = alt->endpoint + ep; + switch (e->desc.bmAttributes) { + case USB_ENDPOINT_XFER_INT: + if (!usb_endpoint_dir_in(&e->desc)) + continue; + intr = 1; + /* FALLTHROUGH */ + case USB_ENDPOINT_XFER_BULK: + break; + default: + continue; + } + if (usb_endpoint_dir_in(&e->desc)) { + if (!intr && !in) + in = e; + else if (intr && !status) + status = e; + } else { + if (!out) + out = e; + } + } + if (in && out) + break; + } + if (!alt || !in || !out) + return -EINVAL; + + dev->pipe_in = usb_rcvbulkpipe(dev->udev, + in->desc.bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK); + dev->pipe_out = usb_sndbulkpipe(dev->udev, + out->desc.bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK); + dev->ep_intr = status; + + return 0; +} + +static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf) +{ + struct lan78xx_priv *pdata = NULL; + int ret; + int i; + + ret = lan78xx_get_endpoints(dev, intf); + + dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL); + + pdata = (struct lan78xx_priv *)(dev->data[0]); + if (!pdata) { + netdev_warn(dev->net, "Unable to allocate lan78xx_priv"); + return -ENOMEM; + } + + pdata->dev = dev; + + spin_lock_init(&pdata->rfe_ctl_lock); + mutex_init(&pdata->dataport_mutex); + + INIT_WORK(&pdata->set_multicast, lan78xx_deferred_multicast_write); + + for (i = 0; i < DP_SEL_VHF_VLAN_LEN; i++) + pdata->vlan_table[i] = 0; + + INIT_WORK(&pdata->set_vlan, lan78xx_deferred_vlan_write); + + dev->net->features = 0; + + if (DEFAULT_TX_CSUM_ENABLE) + dev->net->features |= NETIF_F_HW_CSUM; + + if (DEFAULT_RX_CSUM_ENABLE) + dev->net->features |= NETIF_F_RXCSUM; + + if (DEFAULT_TSO_CSUM_ENABLE) + dev->net->features |= NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG; + + dev->net->hw_features = dev->net->features; + + /* Init all registers */ + ret = lan78xx_reset(dev); + + dev->net->flags |= IFF_MULTICAST; + + pdata->wol = WAKE_MAGIC; + + return 0; +} + +static void lan78xx_unbind(struct lan78xx_net *dev, struct usb_interface *intf) +{ + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + + if (pdata) { + netif_dbg(dev, ifdown, dev->net, "free pdata"); + kfree(pdata); + pdata = NULL; + dev->data[0] = 0; + } +} + +static void lan78xx_rx_csum_offload(struct lan78xx_net *dev, + struct sk_buff *skb, + u32 rx_cmd_a, u32 rx_cmd_b) +{ + if (!(dev->net->features & NETIF_F_RXCSUM) || + unlikely(rx_cmd_a & RX_CMD_A_ICSM_)) { + skb->ip_summed = CHECKSUM_NONE; + } else { + skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT_)); + skb->ip_summed = CHECKSUM_COMPLETE; + } +} + +void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb) +{ + int status; + + if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { + skb_queue_tail(&dev->rxq_pause, skb); + return; + } + + skb->protocol = eth_type_trans(skb, dev->net); + dev->net->stats.rx_packets++; + dev->net->stats.rx_bytes += skb->len; + + netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", + skb->len + sizeof(struct ethhdr), skb->protocol); + memset(skb->cb, 0, sizeof(struct skb_data)); + + if (skb_defer_rx_timestamp(skb)) + return; + + status = netif_rx(skb); + if (status != NET_RX_SUCCESS) + netif_dbg(dev, rx_err, dev->net, + "netif_rx status %d\n", status); +} + +static int lan78xx_rx(struct lan78xx_net *dev, struct sk_buff *skb) +{ + if (skb->len < dev->net->hard_header_len) + return 0; + + while (skb->len > 0) { + u32 rx_cmd_a, rx_cmd_b, align_count, size; + u16 rx_cmd_c; + struct sk_buff *skb2; + unsigned char *packet; + + memcpy(&rx_cmd_a, skb->data, sizeof(rx_cmd_a)); + le32_to_cpus(&rx_cmd_a); + skb_pull(skb, sizeof(rx_cmd_a)); + + memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b)); + le32_to_cpus(&rx_cmd_b); + skb_pull(skb, sizeof(rx_cmd_b)); + + memcpy(&rx_cmd_c, skb->data, sizeof(rx_cmd_c)); + le16_to_cpus(&rx_cmd_c); + skb_pull(skb, sizeof(rx_cmd_c)); + + packet = skb->data; + + /* get the packet length */ + size = (rx_cmd_a & RX_CMD_A_LEN_MASK_); + align_count = (4 - ((size + RXW_PADDING) % 4)) % 4; + + if (unlikely(rx_cmd_a & RX_CMD_A_RED_)) { + netif_dbg(dev, rx_err, dev->net, + "Error rx_cmd_a=0x%08x", rx_cmd_a); + } else { + /* last frame in this batch */ + if (skb->len == size) { + lan78xx_rx_csum_offload(dev, skb, + rx_cmd_a, rx_cmd_b); + + skb_trim(skb, skb->len - 4); /* remove fcs */ + skb->truesize = size + sizeof(struct sk_buff); + + return 1; + } + + skb2 = skb_clone(skb, GFP_ATOMIC); + if (unlikely(!skb2)) { + netdev_warn(dev->net, "Error allocating skb"); + return 0; + } + + skb2->len = size; + skb2->data = packet; + skb_set_tail_pointer(skb2, size); + + lan78xx_rx_csum_offload(dev, skb2, rx_cmd_a, rx_cmd_b); + + skb_trim(skb2, skb2->len - 4); /* remove fcs */ + skb2->truesize = size + sizeof(struct sk_buff); + + lan78xx_skb_return(dev, skb2); + } + + skb_pull(skb, size); + + /* padding bytes before the next frame starts */ + if (skb->len) + skb_pull(skb, align_count); + } + + if (unlikely(skb->len < 0)) { + netdev_warn(dev->net, "invalid rx length<0 %d", skb->len); + return 0; + } + + return 1; +} + +static inline void rx_process(struct lan78xx_net *dev, struct sk_buff *skb) +{ + if (!lan78xx_rx(dev, skb)) { + dev->net->stats.rx_errors++; + goto done; + } + + if (skb->len) { + lan78xx_skb_return(dev, skb); + return; + } + + netif_dbg(dev, rx_err, dev->net, "drop\n"); + dev->net->stats.rx_errors++; +done: + skb_queue_tail(&dev->done, skb); +} + +static void rx_complete(struct urb *urb); + +static int rx_submit(struct lan78xx_net *dev, struct urb *urb, gfp_t flags) +{ + struct sk_buff *skb; + struct skb_data *entry; + unsigned long lockflags; + size_t size = dev->rx_urb_size; + int ret = 0; + + skb = netdev_alloc_skb_ip_align(dev->net, size); + if (!skb) { + usb_free_urb(urb); + return -ENOMEM; + } + + entry = (struct skb_data *)skb->cb; + entry->urb = urb; + entry->dev = dev; + entry->length = 0; + + usb_fill_bulk_urb(urb, dev->udev, dev->pipe_in, + skb->data, size, rx_complete, skb); + + spin_lock_irqsave(&dev->rxq.lock, lockflags); + + if (netif_device_present(dev->net) && + netif_running(dev->net) && + !test_bit(EVENT_RX_HALT, &dev->flags) && + !test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { + ret = usb_submit_urb(urb, GFP_ATOMIC); + switch (ret) { + case 0: + lan78xx_queue_skb(&dev->rxq, skb, rx_start); + break; + case -EPIPE: + lan78xx_defer_kevent(dev, EVENT_RX_HALT); + break; + case -ENODEV: + netif_dbg(dev, ifdown, dev->net, "device gone\n"); + netif_device_detach(dev->net); + break; + case -EHOSTUNREACH: + ret = -ENOLINK; + break; + default: + netif_dbg(dev, rx_err, dev->net, + "rx submit, %d\n", ret); + tasklet_schedule(&dev->bh); + } + } else { + netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); + ret = -ENOLINK; + } + spin_unlock_irqrestore(&dev->rxq.lock, lockflags); + if (ret) { + dev_kfree_skb_any(skb); + usb_free_urb(urb); + } + return ret; +} + +static void rx_complete(struct urb *urb) +{ + struct sk_buff *skb = (struct sk_buff *)urb->context; + struct skb_data *entry = (struct skb_data *)skb->cb; + struct lan78xx_net *dev = entry->dev; + int urb_status = urb->status; + enum skb_state state; + + skb_put(skb, urb->actual_length); + state = rx_done; + entry->urb = NULL; + + switch (urb_status) { + case 0: + if (skb->len < dev->net->hard_header_len) { + state = rx_cleanup; + dev->net->stats.rx_errors++; + dev->net->stats.rx_length_errors++; + netif_dbg(dev, rx_err, dev->net, + "rx length %d\n", skb->len); + } + usb_mark_last_busy(dev->udev); + break; + case -EPIPE: + dev->net->stats.rx_errors++; + lan78xx_defer_kevent(dev, EVENT_RX_HALT); + /* FALLTHROUGH */ + case -ECONNRESET: /* async unlink */ + case -ESHUTDOWN: /* hardware gone */ + netif_dbg(dev, ifdown, dev->net, + "rx shutdown, code %d\n", urb_status); + state = rx_cleanup; + entry->urb = urb; + urb = NULL; + break; + case -EPROTO: + case -ETIME: + case -EILSEQ: + dev->net->stats.rx_errors++; + state = rx_cleanup; + entry->urb = urb; + urb = NULL; + break; + + /* data overrun ... flush fifo? */ + case -EOVERFLOW: + dev->net->stats.rx_over_errors++; + /* FALLTHROUGH */ + + default: + state = rx_cleanup; + dev->net->stats.rx_errors++; + netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); + break; + } + + state = defer_bh(dev, skb, &dev->rxq, state); + + if (urb) { + if (netif_running(dev->net) && + !test_bit(EVENT_RX_HALT, &dev->flags) && + state != unlink_start) { + rx_submit(dev, urb, GFP_ATOMIC); + return; + } + usb_free_urb(urb); + } + netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n"); +} + +static void lan78xx_tx_bh(struct lan78xx_net *dev) +{ + int length; + struct urb *urb = NULL; + struct skb_data *entry; + unsigned long flags; + struct sk_buff_head *tqp = &dev->txq_pend; + struct sk_buff *skb, *skb2; + int ret; + int count, pos; + int skb_totallen, pkt_cnt; + + skb_totallen = 0; + pkt_cnt = 0; + for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) { + if (skb_is_gso(skb)) { + if (pkt_cnt) { + /* handle previous packets first */ + break; + } + length = skb->len; + skb2 = skb_dequeue(tqp); + goto gso_skb; + } + + if ((skb_totallen + skb->len) > MAX_SINGLE_PACKET_SIZE) + break; + skb_totallen = skb->len + roundup(skb_totallen, sizeof(u32)); + pkt_cnt++; + } + + /* copy to a single skb */ + skb = alloc_skb(skb_totallen, GFP_ATOMIC); + if (!skb) + goto drop; + + skb_put(skb, skb_totallen); + + for (count = pos = 0; count < pkt_cnt; count++) { + skb2 = skb_dequeue(tqp); + if (skb2) { + memcpy(skb->data + pos, skb2->data, skb2->len); + pos += roundup(skb2->len, sizeof(u32)); + dev_kfree_skb(skb2); + } else { + BUG_ON(true); + } + } + + length = skb_totallen; + +gso_skb: + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) { + netif_dbg(dev, tx_err, dev->net, "no urb\n"); + goto drop; + } + + entry = (struct skb_data *)skb->cb; + entry->urb = urb; + entry->dev = dev; + entry->length = length; + + spin_lock_irqsave(&dev->txq.lock, flags); + ret = usb_autopm_get_interface_async(dev->intf); + if (ret < 0) { + spin_unlock_irqrestore(&dev->txq.lock, flags); + goto drop; + } + + usb_fill_bulk_urb(urb, dev->udev, dev->pipe_out, + skb->data, skb->len, tx_complete, skb); + + if (length % dev->maxpacket == 0) { + /* send USB_ZERO_PACKET */ + urb->transfer_flags |= URB_ZERO_PACKET; + } + +#ifdef CONFIG_PM + /* if this triggers the device is still a sleep */ + if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { + /* transmission will be done in resume */ + usb_anchor_urb(urb, &dev->deferred); + /* no use to process more packets */ + netif_stop_queue(dev->net); + usb_put_urb(urb); + spin_unlock_irqrestore(&dev->txq.lock, flags); + netdev_dbg(dev->net, "Delaying transmission for resumption\n"); + return; + } +#endif + + ret = usb_submit_urb(urb, GFP_ATOMIC); + switch (ret) { + case 0: + dev->net->trans_start = jiffies; + lan78xx_queue_skb(&dev->txq, skb, tx_start); + if (skb_queue_len(&dev->txq) >= dev->tx_qlen) + netif_stop_queue(dev->net); + break; + case -EPIPE: + netif_stop_queue(dev->net); + lan78xx_defer_kevent(dev, EVENT_TX_HALT); + usb_autopm_put_interface_async(dev->intf); + break; + default: + usb_autopm_put_interface_async(dev->intf); + netif_dbg(dev, tx_err, dev->net, + "tx: submit urb err %d\n", ret); + break; + } + + spin_unlock_irqrestore(&dev->txq.lock, flags); + + if (ret) { + netif_dbg(dev, tx_err, dev->net, "drop, code %d\n", ret); +drop: + dev->net->stats.tx_dropped++; + if (skb) + dev_kfree_skb_any(skb); + usb_free_urb(urb); + } else + netif_dbg(dev, tx_queued, dev->net, + "> tx, len %d, type 0x%x\n", length, skb->protocol); +} + +static void lan78xx_rx_bh(struct lan78xx_net *dev) +{ + struct urb *urb; + int i; + + if (skb_queue_len(&dev->rxq) < dev->rx_qlen) { + for (i = 0; i < 10; i++) { + if (skb_queue_len(&dev->rxq) >= dev->rx_qlen) + break; + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (urb) + if (rx_submit(dev, urb, GFP_ATOMIC) == -ENOLINK) + return; + } + + if (skb_queue_len(&dev->rxq) < dev->rx_qlen) + tasklet_schedule(&dev->bh); + } + if (skb_queue_len(&dev->txq) < dev->tx_qlen) + netif_wake_queue(dev->net); +} + +static void lan78xx_bh(unsigned long param) +{ + struct lan78xx_net *dev = (struct lan78xx_net *)param; + struct sk_buff *skb; + struct skb_data *entry; + + if (!dev->done.prev) + BUG_ON(!dev->done.prev); + if (!dev->done.next) + BUG_ON(!dev->done.next); + + while ((skb = skb_dequeue(&dev->done))) { + entry = (struct skb_data *)(skb->cb); + switch (entry->state) { + case rx_done: + entry->state = rx_cleanup; + rx_process(dev, skb); + continue; + case tx_done: + usb_free_urb(entry->urb); + dev_kfree_skb(skb); + continue; + case rx_cleanup: + usb_free_urb(entry->urb); + dev_kfree_skb(skb); + continue; + default: + netdev_dbg(dev->net, "skb state %d\n", entry->state); + return; + } + if (!dev->done.prev) + BUG_ON(!dev->done.prev); + if (!dev->done.next) + BUG_ON(!dev->done.next); + } + + if (netif_device_present(dev->net) && netif_running(dev->net)) { + if (!skb_queue_empty(&dev->txq_pend)) + lan78xx_tx_bh(dev); + + if (!timer_pending(&dev->delay) && + !test_bit(EVENT_RX_HALT, &dev->flags)) + lan78xx_rx_bh(dev); + } +} + +static void lan78xx_delayedwork(struct work_struct *work) +{ + int status; + struct lan78xx_net *dev; + + dev = container_of(work, struct lan78xx_net, wq.work); + + if (test_bit(EVENT_TX_HALT, &dev->flags)) { + unlink_urbs(dev, &dev->txq); + status = usb_autopm_get_interface(dev->intf); + if (status < 0) + goto fail_pipe; + status = usb_clear_halt(dev->udev, dev->pipe_out); + usb_autopm_put_interface(dev->intf); + if (status < 0 && + status != -EPIPE && + status != -ESHUTDOWN) { + if (netif_msg_tx_err(dev)) +fail_pipe: + netdev_err(dev->net, + "can't clear tx halt, status %d\n", + status); + } else { + clear_bit(EVENT_TX_HALT, &dev->flags); + if (status != -ESHUTDOWN) + netif_wake_queue(dev->net); + } + } + if (test_bit(EVENT_RX_HALT, &dev->flags)) { + unlink_urbs(dev, &dev->rxq); + status = usb_autopm_get_interface(dev->intf); + if (status < 0) + goto fail_halt; + status = usb_clear_halt(dev->udev, dev->pipe_in); + usb_autopm_put_interface(dev->intf); + if (status < 0 && + status != -EPIPE && + status != -ESHUTDOWN) { + if (netif_msg_rx_err(dev)) +fail_halt: + netdev_err(dev->net, + "can't clear rx halt, status %d\n", + status); + } else { + clear_bit(EVENT_RX_HALT, &dev->flags); + tasklet_schedule(&dev->bh); + } + } + + if (test_bit(EVENT_LINK_RESET, &dev->flags)) { + int ret = 0; + + clear_bit(EVENT_LINK_RESET, &dev->flags); + status = usb_autopm_get_interface(dev->intf); + if (status < 0) + goto skip_reset; + if (lan78xx_link_reset(dev) < 0) { + usb_autopm_put_interface(dev->intf); +skip_reset: + netdev_info(dev->net, "link reset failed (%d)\n", + ret); + } else { + usb_autopm_put_interface(dev->intf); + } + } +} + +static void intr_complete(struct urb *urb) +{ + struct lan78xx_net *dev = urb->context; + int status = urb->status; + + switch (status) { + /* success */ + case 0: + lan78xx_status(dev, urb); + break; + + /* software-driven interface shutdown */ + case -ENOENT: /* urb killed */ + case -ESHUTDOWN: /* hardware gone */ + netif_dbg(dev, ifdown, dev->net, + "intr shutdown, code %d\n", status); + return; + + /* NOTE: not throttling like RX/TX, since this endpoint + * already polls infrequently + */ + default: + netdev_dbg(dev->net, "intr status %d\n", status); + break; + } + + if (!netif_running(dev->net)) + return; + + memset(urb->transfer_buffer, 0, urb->transfer_buffer_length); + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status != 0) + netif_err(dev, timer, dev->net, + "intr resubmit --> %d\n", status); +} + +static void lan78xx_disconnect(struct usb_interface *intf) +{ + struct lan78xx_net *dev; + struct usb_device *udev; + struct net_device *net; + + dev = usb_get_intfdata(intf); + usb_set_intfdata(intf, NULL); + if (!dev) + return; + + udev = interface_to_usbdev(intf); + + net = dev->net; + unregister_netdev(net); + + cancel_delayed_work_sync(&dev->wq); + + usb_scuttle_anchored_urbs(&dev->deferred); + + lan78xx_unbind(dev, intf); + + usb_kill_urb(dev->urb_intr); + usb_free_urb(dev->urb_intr); + + free_netdev(net); + usb_put_dev(udev); +} + +void lan78xx_tx_timeout(struct net_device *net) +{ + struct lan78xx_net *dev = netdev_priv(net); + + unlink_urbs(dev, &dev->txq); + tasklet_schedule(&dev->bh); +} + +static const struct net_device_ops lan78xx_netdev_ops = { + .ndo_open = lan78xx_open, + .ndo_stop = lan78xx_stop, + .ndo_start_xmit = lan78xx_start_xmit, + .ndo_tx_timeout = lan78xx_tx_timeout, + .ndo_change_mtu = lan78xx_change_mtu, + .ndo_set_mac_address = lan78xx_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, + .ndo_do_ioctl = lan78xx_ioctl, + .ndo_set_rx_mode = lan78xx_set_multicast, + .ndo_set_features = lan78xx_set_features, + .ndo_vlan_rx_add_vid = lan78xx_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = lan78xx_vlan_rx_kill_vid, +}; + +static int lan78xx_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct lan78xx_net *dev; + struct net_device *netdev; + struct usb_device *udev; + int ret; + unsigned maxp; + unsigned period; + u8 *buf = NULL; + + udev = interface_to_usbdev(intf); + udev = usb_get_dev(udev); + + ret = -ENOMEM; + netdev = alloc_etherdev(sizeof(struct lan78xx_net)); + if (!netdev) { + dev_err(&intf->dev, "Error: OOM\n"); + goto out1; + } + + /* netdev_printk() needs this */ + SET_NETDEV_DEV(netdev, &intf->dev); + + dev = netdev_priv(netdev); + dev->udev = udev; + dev->intf = intf; + dev->net = netdev; + dev->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV + | NETIF_MSG_PROBE | NETIF_MSG_LINK); + + skb_queue_head_init(&dev->rxq); + skb_queue_head_init(&dev->txq); + skb_queue_head_init(&dev->done); + skb_queue_head_init(&dev->rxq_pause); + skb_queue_head_init(&dev->txq_pend); + mutex_init(&dev->phy_mutex); + + tasklet_init(&dev->bh, lan78xx_bh, (unsigned long)dev); + INIT_DELAYED_WORK(&dev->wq, lan78xx_delayedwork); + init_usb_anchor(&dev->deferred); + + netdev->netdev_ops = &lan78xx_netdev_ops; + netdev->watchdog_timeo = TX_TIMEOUT_JIFFIES; + netdev->ethtool_ops = &lan78xx_ethtool_ops; + + ret = lan78xx_bind(dev, intf); + if (ret < 0) + goto out2; + strcpy(netdev->name, "eth%d"); + + if (netdev->mtu > (dev->hard_mtu - netdev->hard_header_len)) + netdev->mtu = dev->hard_mtu - netdev->hard_header_len; + + dev->ep_blkin = (intf->cur_altsetting)->endpoint + 0; + dev->ep_blkout = (intf->cur_altsetting)->endpoint + 1; + dev->ep_intr = (intf->cur_altsetting)->endpoint + 2; + + dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE); + dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE); + + dev->pipe_intr = usb_rcvintpipe(dev->udev, + dev->ep_intr->desc.bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK); + period = dev->ep_intr->desc.bInterval; + + maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0); + buf = kmalloc(maxp, GFP_KERNEL); + if (buf) { + dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->urb_intr) { + kfree(buf); + goto out3; + } else { + usb_fill_int_urb(dev->urb_intr, dev->udev, + dev->pipe_intr, buf, maxp, + intr_complete, dev, period); + } + } + + dev->maxpacket = usb_maxpacket(dev->udev, dev->pipe_out, 1); + + /* driver requires remote-wakeup capability during autosuspend. */ + intf->needs_remote_wakeup = 1; + + ret = register_netdev(netdev); + if (ret != 0) { + netif_err(dev, probe, netdev, "couldn't register the device\n"); + goto out2; + } + + usb_set_intfdata(intf, dev); + + ret = device_set_wakeup_enable(&udev->dev, true); + + /* Default delay of 2sec has more overhead than advantage. + * Set to 10sec as default. + */ + pm_runtime_set_autosuspend_delay(&udev->dev, + DEFAULT_AUTOSUSPEND_DELAY); + + return 0; + + usb_set_intfdata(intf, NULL); +out3: + lan78xx_unbind(dev, intf); +out2: + free_netdev(netdev); +out1: + usb_put_dev(udev); + + return ret; +} + +static u16 lan78xx_wakeframe_crc16(const u8 *buf, int len) +{ + const u16 crc16poly = 0x8005; + int i; + u16 bit, crc, msb; + u8 data; + + crc = 0xFFFF; + for (i = 0; i < len; i++) { + data = *buf++; + for (bit = 0; bit < 8; bit++) { + msb = crc >> 15; + crc <<= 1; + + if (msb ^ (u16)(data & 1)) { + crc ^= crc16poly; + crc |= (u16)0x0001U; + } + data >>= 1; + } + } + + return crc; +} + +static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol) +{ + u32 buf; + int ret; + int mask_index; + u16 crc; + u32 temp_wucsr; + u32 temp_pmt_ctl; + const u8 ipv4_multicast[3] = { 0x01, 0x00, 0x5E }; + const u8 ipv6_multicast[3] = { 0x33, 0x33 }; + const u8 arp_type[2] = { 0x08, 0x06 }; + + ret = lan78xx_read_reg(dev, MAC_TX, &buf); + buf &= ~MAC_TX_TXEN_; + ret = lan78xx_write_reg(dev, MAC_TX, buf); + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf &= ~MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + + ret = lan78xx_write_reg(dev, WUCSR, 0); + ret = lan78xx_write_reg(dev, WUCSR2, 0); + ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL); + + temp_wucsr = 0; + + temp_pmt_ctl = 0; + ret = lan78xx_read_reg(dev, PMT_CTL, &temp_pmt_ctl); + temp_pmt_ctl &= ~PMT_CTL_RES_CLR_WKP_EN_; + temp_pmt_ctl |= PMT_CTL_RES_CLR_WKP_STS_; + + for (mask_index = 0; mask_index < NUM_OF_WUF_CFG; mask_index++) + ret = lan78xx_write_reg(dev, WUF_CFG(mask_index), 0); + + mask_index = 0; + if (wol & WAKE_PHY) { + temp_pmt_ctl |= PMT_CTL_PHY_WAKE_EN_; + + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_; + } + if (wol & WAKE_MAGIC) { + temp_wucsr |= WUCSR_MPEN_; + + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_3_; + } + if (wol & WAKE_BCAST) { + temp_wucsr |= WUCSR_BCST_EN_; + + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_; + } + if (wol & WAKE_MCAST) { + temp_wucsr |= WUCSR_WAKE_EN_; + + /* set WUF_CFG & WUF_MASK for IPv4 Multicast */ + crc = lan78xx_wakeframe_crc16(ipv4_multicast, 3); + ret = lan78xx_write_reg(dev, WUF_CFG(mask_index), + WUF_CFGX_EN_ | + WUF_CFGX_TYPE_MCAST_ | + (0 << WUF_CFGX_OFFSET_SHIFT_) | + (crc & WUF_CFGX_CRC16_MASK_)); + + ret = lan78xx_write_reg(dev, WUF_MASK0(mask_index), 7); + ret = lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0); + ret = lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0); + ret = lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0); + mask_index++; + + /* for IPv6 Multicast */ + crc = lan78xx_wakeframe_crc16(ipv6_multicast, 2); + ret = lan78xx_write_reg(dev, WUF_CFG(mask_index), + WUF_CFGX_EN_ | + WUF_CFGX_TYPE_MCAST_ | + (0 << WUF_CFGX_OFFSET_SHIFT_) | + (crc & WUF_CFGX_CRC16_MASK_)); + + ret = lan78xx_write_reg(dev, WUF_MASK0(mask_index), 3); + ret = lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0); + ret = lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0); + ret = lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0); + mask_index++; + + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_; + } + if (wol & WAKE_UCAST) { + temp_wucsr |= WUCSR_PFDA_EN_; + + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_; + } + if (wol & WAKE_ARP) { + temp_wucsr |= WUCSR_WAKE_EN_; + + /* set WUF_CFG & WUF_MASK + * for packettype (offset 12,13) = ARP (0x0806) + */ + crc = lan78xx_wakeframe_crc16(arp_type, 2); + ret = lan78xx_write_reg(dev, WUF_CFG(mask_index), + WUF_CFGX_EN_ | + WUF_CFGX_TYPE_ALL_ | + (0 << WUF_CFGX_OFFSET_SHIFT_) | + (crc & WUF_CFGX_CRC16_MASK_)); + + ret = lan78xx_write_reg(dev, WUF_MASK0(mask_index), 0x3000); + ret = lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0); + ret = lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0); + ret = lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0); + mask_index++; + + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_; + } + + ret = lan78xx_write_reg(dev, WUCSR, temp_wucsr); + + /* when multiple WOL bits are set */ + if (hweight_long((unsigned long)wol) > 1) { + temp_pmt_ctl |= PMT_CTL_WOL_EN_; + temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_; + temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_; + } + ret = lan78xx_write_reg(dev, PMT_CTL, temp_pmt_ctl); + + /* clear WUPS */ + ret = lan78xx_read_reg(dev, PMT_CTL, &buf); + buf |= PMT_CTL_WUPS_MASK_; + ret = lan78xx_write_reg(dev, PMT_CTL, buf); + + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf |= MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + + return 0; +} + +int lan78xx_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct lan78xx_net *dev = usb_get_intfdata(intf); + struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); + u32 buf; + int ret; + int event; + + ret = 0; + event = message.event; + + if (!dev->suspend_count++) { + spin_lock_irq(&dev->txq.lock); + /* don't autosuspend while transmitting */ + if ((skb_queue_len(&dev->txq) || + skb_queue_len(&dev->txq_pend)) && + PMSG_IS_AUTO(message)) { + spin_unlock_irq(&dev->txq.lock); + ret = -EBUSY; + goto out; + } else { + set_bit(EVENT_DEV_ASLEEP, &dev->flags); + spin_unlock_irq(&dev->txq.lock); + } + + /* stop TX & RX */ + ret = lan78xx_read_reg(dev, MAC_TX, &buf); + buf &= ~MAC_TX_TXEN_; + ret = lan78xx_write_reg(dev, MAC_TX, buf); + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf &= ~MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + + /* empty out the rx and queues */ + netif_device_detach(dev->net); + lan78xx_terminate_urbs(dev); + usb_kill_urb(dev->urb_intr); + + /* reattach */ + netif_device_attach(dev->net); + } + + if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { + if (PMSG_IS_AUTO(message)) { + /* auto suspend (selective suspend) */ + ret = lan78xx_read_reg(dev, MAC_TX, &buf); + buf &= ~MAC_TX_TXEN_; + ret = lan78xx_write_reg(dev, MAC_TX, buf); + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf &= ~MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + + ret = lan78xx_write_reg(dev, WUCSR, 0); + ret = lan78xx_write_reg(dev, WUCSR2, 0); + ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL); + + /* set goodframe wakeup */ + ret = lan78xx_read_reg(dev, WUCSR, &buf); + + buf |= WUCSR_RFE_WAKE_EN_; + buf |= WUCSR_STORE_WAKE_; + + ret = lan78xx_write_reg(dev, WUCSR, buf); + + ret = lan78xx_read_reg(dev, PMT_CTL, &buf); + + buf &= ~PMT_CTL_RES_CLR_WKP_EN_; + buf |= PMT_CTL_RES_CLR_WKP_STS_; + + buf |= PMT_CTL_PHY_WAKE_EN_; + buf |= PMT_CTL_WOL_EN_; + buf &= ~PMT_CTL_SUS_MODE_MASK_; + buf |= PMT_CTL_SUS_MODE_3_; + + ret = lan78xx_write_reg(dev, PMT_CTL, buf); + + ret = lan78xx_read_reg(dev, PMT_CTL, &buf); + + buf |= PMT_CTL_WUPS_MASK_; + + ret = lan78xx_write_reg(dev, PMT_CTL, buf); + + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf |= MAC_RX_RXEN_; + ret = lan78xx_write_reg(dev, MAC_RX, buf); + } else { + lan78xx_set_suspend(dev, pdata->wol); + } + } + +out: + return ret; +} + +int lan78xx_resume(struct usb_interface *intf) +{ + struct lan78xx_net *dev = usb_get_intfdata(intf); + struct sk_buff *skb; + struct urb *res; + int ret; + u32 buf; + + if (!--dev->suspend_count) { + /* resume interrupt URBs */ + if (dev->urb_intr && test_bit(EVENT_DEV_OPEN, &dev->flags)) + usb_submit_urb(dev->urb_intr, GFP_NOIO); + + spin_lock_irq(&dev->txq.lock); + while ((res = usb_get_from_anchor(&dev->deferred))) { + skb = (struct sk_buff *)res->context; + ret = usb_submit_urb(res, GFP_ATOMIC); + if (ret < 0) { + dev_kfree_skb_any(skb); + usb_free_urb(res); + usb_autopm_put_interface_async(dev->intf); + } else { + dev->net->trans_start = jiffies; + lan78xx_queue_skb(&dev->txq, skb, tx_start); + } + } + + clear_bit(EVENT_DEV_ASLEEP, &dev->flags); + spin_unlock_irq(&dev->txq.lock); + + if (test_bit(EVENT_DEV_OPEN, &dev->flags)) { + if (!(skb_queue_len(&dev->txq) >= dev->tx_qlen)) + netif_start_queue(dev->net); + tasklet_schedule(&dev->bh); + } + } + + ret = lan78xx_write_reg(dev, WUCSR2, 0); + ret = lan78xx_write_reg(dev, WUCSR, 0); + ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL); + + ret = lan78xx_write_reg(dev, WUCSR2, WUCSR2_NS_RCD_ | + WUCSR2_ARP_RCD_ | + WUCSR2_IPV6_TCPSYN_RCD_ | + WUCSR2_IPV4_TCPSYN_RCD_); + + ret = lan78xx_write_reg(dev, WUCSR, WUCSR_EEE_TX_WAKE_ | + WUCSR_EEE_RX_WAKE_ | + WUCSR_PFDA_FR_ | + WUCSR_RFE_WAKE_FR_ | + WUCSR_WUFR_ | + WUCSR_MPR_ | + WUCSR_BCST_FR_); + + ret = lan78xx_read_reg(dev, MAC_TX, &buf); + buf |= MAC_TX_TXEN_; + ret = lan78xx_write_reg(dev, MAC_TX, buf); + + return 0; +} + +int lan78xx_reset_resume(struct usb_interface *intf) +{ + struct lan78xx_net *dev = usb_get_intfdata(intf); + + lan78xx_reset(dev); + return lan78xx_resume(intf); +} + +static const struct usb_device_id products[] = { + { + /* LAN7800 USB Gigabit Ethernet Device */ + USB_DEVICE(LAN78XX_USB_VENDOR_ID, LAN7800_USB_PRODUCT_ID), + }, + { + /* LAN7850 USB Gigabit Ethernet Device */ + USB_DEVICE(LAN78XX_USB_VENDOR_ID, LAN7850_USB_PRODUCT_ID), + }, + {}, +}; +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver lan78xx_driver = { + .name = DRIVER_NAME, + .id_table = products, + .probe = lan78xx_probe, + .disconnect = lan78xx_disconnect, + .suspend = lan78xx_suspend, + .resume = lan78xx_resume, + .reset_resume = lan78xx_reset_resume, + .supports_autosuspend = 1, + .disable_hub_initiated_lpm = 1, +}; + +module_usb_driver(lan78xx_driver); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/lan78xx.h b/drivers/net/usb/lan78xx.h new file mode 100644 index 0000000..ae7562e --- /dev/null +++ b/drivers/net/usb/lan78xx.h @@ -0,0 +1,1069 @@ +/* + * Copyright (C) 2015 Microchip Technology + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ +#ifndef _LAN78XX_H +#define _LAN78XX_H + +/* USB Vendor Requests */ +#define USB_VENDOR_REQUEST_WRITE_REGISTER 0xA0 +#define USB_VENDOR_REQUEST_READ_REGISTER 0xA1 +#define USB_VENDOR_REQUEST_GET_STATS 0xA2 + +/* Interrupt Endpoint status word bitfields */ +#define INT_ENP_EEE_START_TX_LPI_INT BIT(26) +#define INT_ENP_EEE_STOP_TX_LPI_INT BIT(25) +#define INT_ENP_EEE_RX_LPI_INT BIT(24) +#define INT_ENP_RDFO_INT BIT(22) +#define INT_ENP_TXE_INT BIT(21) +#define INT_ENP_TX_DIS_INT BIT(19) +#define INT_ENP_RX_DIS_INT BIT(18) +#define INT_ENP_PHY_INT BIT(17) +#define INT_ENP_DP_INT BIT(16) +#define INT_ENP_MAC_ERR_INT BIT(15) +#define INT_ENP_TDFU_INT BIT(14) +#define INT_ENP_TDFO_INT BIT(13) +#define INT_ENP_UTX_FP_INT BIT(12) + +#define TX_PKT_ALIGNMENT 4 +#define RX_PKT_ALIGNMENT 4 + +/* Tx Command A */ +#define TX_CMD_A_IGE_ (0x20000000) +#define TX_CMD_A_ICE_ (0x10000000) +#define TX_CMD_A_LSO_ (0x08000000) +#define TX_CMD_A_IPE_ (0x04000000) +#define TX_CMD_A_TPE_ (0x02000000) +#define TX_CMD_A_IVTG_ (0x01000000) +#define TX_CMD_A_RVTG_ (0x00800000) +#define TX_CMD_A_FCS_ (0x00400000) +#define TX_CMD_A_LEN_MASK_ (0x000FFFFF) + +/* Tx Command B */ +#define TX_CMD_B_MSS_SHIFT_ (16) +#define TX_CMD_B_MSS_MASK_ (0x3FFF0000) +#define TX_CMD_B_MSS_MIN_ ((unsigned short)8) +#define TX_CMD_B_VTAG_MASK_ (0x0000FFFF) +#define TX_CMD_B_VTAG_PRI_MASK_ (0x0000E000) +#define TX_CMD_B_VTAG_CFI_MASK_ (0x00001000) +#define TX_CMD_B_VTAG_VID_MASK_ (0x00000FFF) + +/* Rx Command A */ +#define RX_CMD_A_ICE_ (0x80000000) +#define RX_CMD_A_TCE_ (0x40000000) +#define RX_CMD_A_CSE_MASK_ (0xC0000000) +#define RX_CMD_A_IPV_ (0x20000000) +#define RX_CMD_A_PID_MASK_ (0x18000000) +#define RX_CMD_A_PID_NONE_IP_ (0x00000000) +#define RX_CMD_A_PID_TCP_IP_ (0x08000000) +#define RX_CMD_A_PID_UDP_IP_ (0x10000000) +#define RX_CMD_A_PID_IP_ (0x18000000) +#define RX_CMD_A_PFF_ (0x04000000) +#define RX_CMD_A_BAM_ (0x02000000) +#define RX_CMD_A_MAM_ (0x01000000) +#define RX_CMD_A_FVTG_ (0x00800000) +#define RX_CMD_A_RED_ (0x00400000) +#define RX_CMD_A_RX_ERRS_MASK_ (0xC03F0000) +#define RX_CMD_A_RWT_ (0x00200000) +#define RX_CMD_A_RUNT_ (0x00100000) +#define RX_CMD_A_LONG_ (0x00080000) +#define RX_CMD_A_RXE_ (0x00040000) +#define RX_CMD_A_DRB_ (0x00020000) +#define RX_CMD_A_FCS_ (0x00010000) +#define RX_CMD_A_UAM_ (0x00008000) +#define RX_CMD_A_ICSM_ (0x00004000) +#define RX_CMD_A_LEN_MASK_ (0x00003FFF) + +/* Rx Command B */ +#define RX_CMD_B_CSUM_SHIFT_ (16) +#define RX_CMD_B_CSUM_MASK_ (0xFFFF0000) +#define RX_CMD_B_VTAG_MASK_ (0x0000FFFF) +#define RX_CMD_B_VTAG_PRI_MASK_ (0x0000E000) +#define RX_CMD_B_VTAG_CFI_MASK_ (0x00001000) +#define RX_CMD_B_VTAG_VID_MASK_ (0x00000FFF) + +/* Rx Command C */ +#define RX_CMD_C_WAKE_SHIFT_ (15) +#define RX_CMD_C_WAKE_ (0x8000) +#define RX_CMD_C_REF_FAIL_SHIFT_ (14) +#define RX_CMD_C_REF_FAIL_ (0x4000) + +/* SCSRs */ +#define NUMBER_OF_REGS (193) + +#define ID_REV (0x00) +#define ID_REV_CHIP_ID_MASK_ (0xFFFF0000) +#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF) +#define ID_REV_CHIP_ID_7800_ (0x7800) + +#define FPGA_REV (0x04) +#define FPGA_REV_MINOR_MASK_ (0x0000FF00) +#define FPGA_REV_MAJOR_MASK_ (0x000000FF) + +#define INT_STS (0x0C) +#define INT_STS_CLEAR_ALL_ (0xFFFFFFFF) +#define INT_STS_EEE_TX_LPI_STRT_ (0x04000000) +#define INT_STS_EEE_TX_LPI_STOP_ (0x02000000) +#define INT_STS_EEE_RX_LPI_ (0x01000000) +#define INT_STS_RDFO_ (0x00400000) +#define INT_STS_TXE_ (0x00200000) +#define INT_STS_TX_DIS_ (0x00080000) +#define INT_STS_RX_DIS_ (0x00040000) +#define INT_STS_PHY_INT_ (0x00020000) +#define INT_STS_DP_INT_ (0x00010000) +#define INT_STS_MAC_ERR_ (0x00008000) +#define INT_STS_TDFU_ (0x00004000) +#define INT_STS_TDFO_ (0x00002000) +#define INT_STS_UFX_FP_ (0x00001000) +#define INT_STS_GPIO_MASK_ (0x00000FFF) +#define INT_STS_GPIO11_ (0x00000800) +#define INT_STS_GPIO10_ (0x00000400) +#define INT_STS_GPIO9_ (0x00000200) +#define INT_STS_GPIO8_ (0x00000100) +#define INT_STS_GPIO7_ (0x00000080) +#define INT_STS_GPIO6_ (0x00000040) +#define INT_STS_GPIO5_ (0x00000020) +#define INT_STS_GPIO4_ (0x00000010) +#define INT_STS_GPIO3_ (0x00000008) +#define INT_STS_GPIO2_ (0x00000004) +#define INT_STS_GPIO1_ (0x00000002) +#define INT_STS_GPIO0_ (0x00000001) + +#define HW_CFG (0x010) +#define HW_CFG_CLK125_EN_ (0x02000000) +#define HW_CFG_REFCLK25_EN_ (0x01000000) +#define HW_CFG_LED3_EN_ (0x00800000) +#define HW_CFG_LED2_EN_ (0x00400000) +#define HW_CFG_LED1_EN_ (0x00200000) +#define HW_CFG_LED0_EN_ (0x00100000) +#define HW_CFG_EEE_PHY_LUSU_ (0x00020000) +#define HW_CFG_EEE_TSU_ (0x00010000) +#define HW_CFG_NETDET_STS_ (0x00008000) +#define HW_CFG_NETDET_EN_ (0x00004000) +#define HW_CFG_EEM_ (0x00002000) +#define HW_CFG_RST_PROTECT_ (0x00001000) +#define HW_CFG_CONNECT_BUF_ (0x00000400) +#define HW_CFG_CONNECT_EN_ (0x00000200) +#define HW_CFG_CONNECT_POL_ (0x00000100) +#define HW_CFG_SUSPEND_N_SEL_MASK_ (0x000000C0) +#define HW_CFG_SUSPEND_N_SEL_2 (0x00000000) +#define HW_CFG_SUSPEND_N_SEL_12N (0x00000040) +#define HW_CFG_SUSPEND_N_SEL_012N (0x00000080) +#define HW_CFG_SUSPEND_N_SEL_0123N (0x000000C0) +#define HW_CFG_SUSPEND_N_POL_ (0x00000020) +#define HW_CFG_MEF_ (0x00000010) +#define HW_CFG_ETC_ (0x00000008) +#define HW_CFG_LRST_ (0x00000002) +#define HW_CFG_SRST_ (0x00000001) + +#define PMT_CTL (0x014) +#define PMT_CTL_EEE_WAKEUP_EN_ (0x00002000) +#define PMT_CTL_EEE_WUPS_ (0x00001000) +#define PMT_CTL_MAC_SRST_ (0x00000800) +#define PMT_CTL_PHY_PWRUP_ (0x00000400) +#define PMT_CTL_RES_CLR_WKP_MASK_ (0x00000300) +#define PMT_CTL_RES_CLR_WKP_STS_ (0x00000200) +#define PMT_CTL_RES_CLR_WKP_EN_ (0x00000100) +#define PMT_CTL_READY_ (0x00000080) +#define PMT_CTL_SUS_MODE_MASK_ (0x00000060) +#define PMT_CTL_SUS_MODE_0_ (0x00000000) +#define PMT_CTL_SUS_MODE_1_ (0x00000020) +#define PMT_CTL_SUS_MODE_2_ (0x00000040) +#define PMT_CTL_SUS_MODE_3_ (0x00000060) +#define PMT_CTL_PHY_RST_ (0x00000010) +#define PMT_CTL_WOL_EN_ (0x00000008) +#define PMT_CTL_PHY_WAKE_EN_ (0x00000004) +#define PMT_CTL_WUPS_MASK_ (0x00000003) +#define PMT_CTL_WUPS_MLT_ (0x00000003) +#define PMT_CTL_WUPS_MAC_ (0x00000002) +#define PMT_CTL_WUPS_PHY_ (0x00000001) + +#define GPIO_CFG0 (0x018) +#define GPIO_CFG0_GPIOEN_MASK_ (0x0000F000) +#define GPIO_CFG0_GPIOEN3_ (0x00008000) +#define GPIO_CFG0_GPIOEN2_ (0x00004000) +#define GPIO_CFG0_GPIOEN1_ (0x00002000) +#define GPIO_CFG0_GPIOEN0_ (0x00001000) +#define GPIO_CFG0_GPIOBUF_MASK_ (0x00000F00) +#define GPIO_CFG0_GPIOBUF3_ (0x00000800) +#define GPIO_CFG0_GPIOBUF2_ (0x00000400) +#define GPIO_CFG0_GPIOBUF1_ (0x00000200) +#define GPIO_CFG0_GPIOBUF0_ (0x00000100) +#define GPIO_CFG0_GPIODIR_MASK_ (0x000000F0) +#define GPIO_CFG0_GPIODIR3_ (0x00000080) +#define GPIO_CFG0_GPIODIR2_ (0x00000040) +#define GPIO_CFG0_GPIODIR1_ (0x00000020) +#define GPIO_CFG0_GPIODIR0_ (0x00000010) +#define GPIO_CFG0_GPIOD_MASK_ (0x0000000F) +#define GPIO_CFG0_GPIOD3_ (0x00000008) +#define GPIO_CFG0_GPIOD2_ (0x00000004) +#define GPIO_CFG0_GPIOD1_ (0x00000002) +#define GPIO_CFG0_GPIOD0_ (0x00000001) + +#define GPIO_CFG1 (0x01C) +#define GPIO_CFG1_GPIOEN_MASK_ (0xFF000000) +#define GPIO_CFG1_GPIOEN11_ (0x80000000) +#define GPIO_CFG1_GPIOEN10_ (0x40000000) +#define GPIO_CFG1_GPIOEN9_ (0x20000000) +#define GPIO_CFG1_GPIOEN8_ (0x10000000) +#define GPIO_CFG1_GPIOEN7_ (0x08000000) +#define GPIO_CFG1_GPIOEN6_ (0x04000000) +#define GPIO_CFG1_GPIOEN5_ (0x02000000) +#define GPIO_CFG1_GPIOEN4_ (0x01000000) +#define GPIO_CFG1_GPIOBUF_MASK_ (0x00FF0000) +#define GPIO_CFG1_GPIOBUF11_ (0x00800000) +#define GPIO_CFG1_GPIOBUF10_ (0x00400000) +#define GPIO_CFG1_GPIOBUF9_ (0x00200000) +#define GPIO_CFG1_GPIOBUF8_ (0x00100000) +#define GPIO_CFG1_GPIOBUF7_ (0x00080000) +#define GPIO_CFG1_GPIOBUF6_ (0x00040000) +#define GPIO_CFG1_GPIOBUF5_ (0x00020000) +#define GPIO_CFG1_GPIOBUF4_ (0x00010000) +#define GPIO_CFG1_GPIODIR_MASK_ (0x0000FF00) +#define GPIO_CFG1_GPIODIR11_ (0x00008000) +#define GPIO_CFG1_GPIODIR10_ (0x00004000) +#define GPIO_CFG1_GPIODIR9_ (0x00002000) +#define GPIO_CFG1_GPIODIR8_ (0x00001000) +#define GPIO_CFG1_GPIODIR7_ (0x00000800) +#define GPIO_CFG1_GPIODIR6_ (0x00000400) +#define GPIO_CFG1_GPIODIR5_ (0x00000200) +#define GPIO_CFG1_GPIODIR4_ (0x00000100) +#define GPIO_CFG1_GPIOD_MASK_ (0x000000FF) +#define GPIO_CFG1_GPIOD11_ (0x00000080) +#define GPIO_CFG1_GPIOD10_ (0x00000040) +#define GPIO_CFG1_GPIOD9_ (0x00000020) +#define GPIO_CFG1_GPIOD8_ (0x00000010) +#define GPIO_CFG1_GPIOD7_ (0x00000008) +#define GPIO_CFG1_GPIOD6_ (0x00000004) +#define GPIO_CFG1_GPIOD6_ (0x00000004) +#define GPIO_CFG1_GPIOD5_ (0x00000002) +#define GPIO_CFG1_GPIOD4_ (0x00000001) + +#define GPIO_WAKE (0x020) +#define GPIO_WAKE_GPIOPOL_MASK_ (0x0FFF0000) +#define GPIO_WAKE_GPIOPOL11_ (0x08000000) +#define GPIO_WAKE_GPIOPOL10_ (0x04000000) +#define GPIO_WAKE_GPIOPOL9_ (0x02000000) +#define GPIO_WAKE_GPIOPOL8_ (0x01000000) +#define GPIO_WAKE_GPIOPOL7_ (0x00800000) +#define GPIO_WAKE_GPIOPOL6_ (0x00400000) +#define GPIO_WAKE_GPIOPOL5_ (0x00200000) +#define GPIO_WAKE_GPIOPOL4_ (0x00100000) +#define GPIO_WAKE_GPIOPOL3_ (0x00080000) +#define GPIO_WAKE_GPIOPOL2_ (0x00040000) +#define GPIO_WAKE_GPIOPOL1_ (0x00020000) +#define GPIO_WAKE_GPIOPOL0_ (0x00010000) +#define GPIO_WAKE_GPIOWK_MASK_ (0x00000FFF) +#define GPIO_WAKE_GPIOWK11_ (0x00000800) +#define GPIO_WAKE_GPIOWK10_ (0x00000400) +#define GPIO_WAKE_GPIOWK9_ (0x00000200) +#define GPIO_WAKE_GPIOWK8_ (0x00000100) +#define GPIO_WAKE_GPIOWK7_ (0x00000080) +#define GPIO_WAKE_GPIOWK6_ (0x00000040) +#define GPIO_WAKE_GPIOWK5_ (0x00000020) +#define GPIO_WAKE_GPIOWK4_ (0x00000010) +#define GPIO_WAKE_GPIOWK3_ (0x00000008) +#define GPIO_WAKE_GPIOWK2_ (0x00000004) +#define GPIO_WAKE_GPIOWK1_ (0x00000002) +#define GPIO_WAKE_GPIOWK0_ (0x00000001) + +#define DP_SEL (0x024) +#define DP_SEL_DPRDY_ (0x80000000) +#define DP_SEL_RSEL_MASK_ (0x0000000F) +#define DP_SEL_RSEL_USB_PHY_CSRS_ (0x0000000F) +#define DP_SEL_RSEL_OTP_64BIT_ (0x00000009) +#define DP_SEL_RSEL_OTP_8BIT_ (0x00000008) +#define DP_SEL_RSEL_UTX_BUF_RAM_ (0x00000007) +#define DP_SEL_RSEL_DESC_RAM_ (0x00000005) +#define DP_SEL_RSEL_TXFIFO_ (0x00000004) +#define DP_SEL_RSEL_RXFIFO_ (0x00000003) +#define DP_SEL_RSEL_LSO_ (0x00000002) +#define DP_SEL_RSEL_VLAN_DA_ (0x00000001) +#define DP_SEL_RSEL_URXBUF_ (0x00000000) +#define DP_SEL_VHF_HASH_LEN (16) +#define DP_SEL_VHF_VLAN_LEN (128) + +#define DP_CMD (0x028) +#define DP_CMD_WRITE_ (0x00000001) +#define DP_CMD_READ_ (0x00000000) + +#define DP_ADDR (0x02C) +#define DP_ADDR_MASK_ (0x00003FFF) + +#define DP_DATA (0x030) + +#define E2P_CMD (0x040) +#define E2P_CMD_EPC_BUSY_ (0x80000000) +#define E2P_CMD_EPC_CMD_MASK_ (0x70000000) +#define E2P_CMD_EPC_CMD_RELOAD_ (0x70000000) +#define E2P_CMD_EPC_CMD_ERAL_ (0x60000000) +#define E2P_CMD_EPC_CMD_ERASE_ (0x50000000) +#define E2P_CMD_EPC_CMD_WRAL_ (0x40000000) +#define E2P_CMD_EPC_CMD_WRITE_ (0x30000000) +#define E2P_CMD_EPC_CMD_EWEN_ (0x20000000) +#define E2P_CMD_EPC_CMD_EWDS_ (0x10000000) +#define E2P_CMD_EPC_CMD_READ_ (0x00000000) +#define E2P_CMD_EPC_TIMEOUT_ (0x00000400) +#define E2P_CMD_EPC_DL_ (0x00000200) +#define E2P_CMD_EPC_ADDR_MASK_ (0x000001FF) + +#define E2P_DATA (0x044) +#define E2P_DATA_EEPROM_DATA_MASK_ (0x000000FF) + +#define BOS_ATTR (0x050) +#define BOS_ATTR_BLOCK_SIZE_MASK_ (0x000000FF) + +#define SS_ATTR (0x054) +#define SS_ATTR_POLL_INT_MASK_ (0x00FF0000) +#define SS_ATTR_DEV_DESC_SIZE_MASK_ (0x0000FF00) +#define SS_ATTR_CFG_BLK_SIZE_MASK_ (0x000000FF) + +#define HS_ATTR (0x058) +#define HS_ATTR_POLL_INT_MASK_ (0x00FF0000) +#define HS_ATTR_DEV_DESC_SIZE_MASK_ (0x0000FF00) +#define HS_ATTR_CFG_BLK_SIZE_MASK_ (0x000000FF) + +#define FS_ATTR (0x05C) +#define FS_ATTR_POLL_INT_MASK_ (0x00FF0000) +#define FS_ATTR_DEV_DESC_SIZE_MASK_ (0x0000FF00) +#define FS_ATTR_CFG_BLK_SIZE_MASK_ (0x000000FF) + +#define STR_ATTR0 (0x060) +#define STR_ATTR0_CFGSTR_DESC_SIZE_MASK_ (0xFF000000) +#define STR_ATTR0_SERSTR_DESC_SIZE_MASK_ (0x00FF0000) +#define STR_ATTR0_PRODSTR_DESC_SIZE_MASK_ (0x0000FF00) +#define STR_ATTR0_MANUF_DESC_SIZE_MASK_ (0x000000FF) + +#define STR_ATTR1 (0x064) +#define STR_ATTR1_INTSTR_DESC_SIZE_MASK_ (0x000000FF) + +#define STR_FLAG_ATTR (0x068) +#define STR_FLAG_ATTR_PME_FLAGS_MASK_ (0x000000FF) + +#define USB_CFG0 (0x080) +#define USB_CFG_LPM_RESPONSE_ (0x80000000) +#define USB_CFG_LPM_CAPABILITY_ (0x40000000) +#define USB_CFG_LPM_ENBL_SLPM_ (0x20000000) +#define USB_CFG_HIRD_THR_MASK_ (0x1F000000) +#define USB_CFG_HIRD_THR_960_ (0x1C000000) +#define USB_CFG_HIRD_THR_885_ (0x1B000000) +#define USB_CFG_HIRD_THR_810_ (0x1A000000) +#define USB_CFG_HIRD_THR_735_ (0x19000000) +#define USB_CFG_HIRD_THR_660_ (0x18000000) +#define USB_CFG_HIRD_THR_585_ (0x17000000) +#define USB_CFG_HIRD_THR_510_ (0x16000000) +#define USB_CFG_HIRD_THR_435_ (0x15000000) +#define USB_CFG_HIRD_THR_360_ (0x14000000) +#define USB_CFG_HIRD_THR_285_ (0x13000000) +#define USB_CFG_HIRD_THR_210_ (0x12000000) +#define USB_CFG_HIRD_THR_135_ (0x11000000) +#define USB_CFG_HIRD_THR_60_ (0x10000000) +#define USB_CFG_MAX_BURST_BI_MASK_ (0x00F00000) +#define USB_CFG_MAX_BURST_BO_MASK_ (0x000F0000) +#define USB_CFG_MAX_DEV_SPEED_MASK_ (0x0000E000) +#define USB_CFG_MAX_DEV_SPEED_SS_ (0x00008000) +#define USB_CFG_MAX_DEV_SPEED_HS_ (0x00000000) +#define USB_CFG_MAX_DEV_SPEED_FS_ (0x00002000) +#define USB_CFG_PHY_BOOST_MASK_ (0x00000180) +#define USB_CFG_PHY_BOOST_PLUS_12_ (0x00000180) +#define USB_CFG_PHY_BOOST_PLUS_8_ (0x00000100) +#define USB_CFG_PHY_BOOST_PLUS_4_ (0x00000080) +#define USB_CFG_PHY_BOOST_NORMAL_ (0x00000000) +#define USB_CFG_BIR_ (0x00000040) +#define USB_CFG_BCE_ (0x00000020) +#define USB_CFG_PORT_SWAP_ (0x00000010) +#define USB_CFG_LPM_EN_ (0x00000008) +#define USB_CFG_RMT_WKP_ (0x00000004) +#define USB_CFG_PWR_SEL_ (0x00000002) +#define USB_CFG_STALL_BO_DIS_ (0x00000001) + +#define USB_CFG1 (0x084) +#define USB_CFG1_U1_TIMEOUT_MASK_ (0xFF000000) +#define USB_CFG1_U2_TIMEOUT_MASK_ (0x00FF0000) +#define USB_CFG1_HS_TOUT_CAL_MASK_ (0x0000E000) +#define USB_CFG1_DEV_U2_INIT_EN_ (0x00001000) +#define USB_CFG1_DEV_U2_EN_ (0x00000800) +#define USB_CFG1_DEV_U1_INIT_EN_ (0x00000400) +#define USB_CFG1_DEV_U1_EN_ (0x00000200) +#define USB_CFG1_LTM_ENABLE_ (0x00000100) +#define USB_CFG1_FS_TOUT_CAL_MASK_ (0x00000070) +#define USB_CFG1_SCALE_DOWN_MASK_ (0x00000003) +#define USB_CFG1_SCALE_DOWN_MODE3_ (0x00000003) +#define USB_CFG1_SCALE_DOWN_MODE2_ (0x00000002) +#define USB_CFG1_SCALE_DOWN_MODE1_ (0x00000001) +#define USB_CFG1_SCALE_DOWN_MODE0_ (0x00000000) + +#define USB_CFG2 (0x088) +#define USB_CFG2_SS_DETACH_TIME_MASK_ (0xFFFF0000) +#define USB_CFG2_HS_DETACH_TIME_MASK_ (0x0000FFFF) + +#define BURST_CAP (0x090) +#define BURST_CAP_SIZE_MASK_ (0x000000FF) + +#define BULK_IN_DLY (0x094) +#define BULK_IN_DLY_MASK_ (0x0000FFFF) + +#define INT_EP_CTL (0x098) +#define INT_EP_INTEP_ON_ (0x80000000) +#define INT_STS_EEE_TX_LPI_STRT_EN_ (0x04000000) +#define INT_STS_EEE_TX_LPI_STOP_EN_ (0x02000000) +#define INT_STS_EEE_RX_LPI_EN_ (0x01000000) +#define INT_EP_RDFO_EN_ (0x00400000) +#define INT_EP_TXE_EN_ (0x00200000) +#define INT_EP_TX_DIS_EN_ (0x00080000) +#define INT_EP_RX_DIS_EN_ (0x00040000) +#define INT_EP_PHY_INT_EN_ (0x00020000) +#define INT_EP_DP_INT_EN_ (0x00010000) +#define INT_EP_MAC_ERR_EN_ (0x00008000) +#define INT_EP_TDFU_EN_ (0x00004000) +#define INT_EP_TDFO_EN_ (0x00002000) +#define INT_EP_UTX_FP_EN_ (0x00001000) +#define INT_EP_GPIO_EN_MASK_ (0x00000FFF) + +#define PIPE_CTL (0x09C) +#define PIPE_CTL_TXSWING_ (0x00000040) +#define PIPE_CTL_TXMARGIN_MASK_ (0x00000038) +#define PIPE_CTL_TXDEEMPHASIS_MASK_ (0x00000006) +#define PIPE_CTL_ELASTICITYBUFFERMODE_ (0x00000001) + +#define U1_LATENCY (0xA0) +#define U2_LATENCY (0xA4) + +#define USB_STATUS (0x0A8) +#define USB_STATUS_REMOTE_WK_ (0x00100000) +#define USB_STATUS_FUNC_REMOTE_WK_ (0x00080000) +#define USB_STATUS_LTM_ENABLE_ (0x00040000) +#define USB_STATUS_U2_ENABLE_ (0x00020000) +#define USB_STATUS_U1_ENABLE_ (0x00010000) +#define USB_STATUS_SET_SEL_ (0x00000020) +#define USB_STATUS_REMOTE_WK_STS_ (0x00000010) +#define USB_STATUS_FUNC_REMOTE_WK_STS_ (0x00000008) +#define USB_STATUS_LTM_ENABLE_STS_ (0x00000004) +#define USB_STATUS_U2_ENABLE_STS_ (0x00000002) +#define USB_STATUS_U1_ENABLE_STS_ (0x00000001) + +#define USB_CFG3 (0x0AC) +#define USB_CFG3_EN_U2_LTM_ (0x40000000) +#define USB_CFG3_BULK_OUT_NUMP_OVR_ (0x20000000) +#define USB_CFG3_DIS_FAST_U1_EXIT_ (0x10000000) +#define USB_CFG3_LPM_NYET_THR_ (0x0F000000) +#define USB_CFG3_RX_DET_2_POL_LFPS_ (0x00800000) +#define USB_CFG3_LFPS_FILT_ (0x00400000) +#define USB_CFG3_SKIP_RX_DET_ (0x00200000) +#define USB_CFG3_DELAY_P1P2P3_ (0x001C0000) +#define USB_CFG3_DELAY_PHY_PWR_CHG_ (0x00020000) +#define USB_CFG3_U1U2_EXIT_FR_ (0x00010000) +#define USB_CFG3_REQ_P1P2P3 (0x00008000) +#define USB_CFG3_HST_PRT_CMPL_ (0x00004000) +#define USB_CFG3_DIS_SCRAMB_ (0x00002000) +#define USB_CFG3_PWR_DN_SCALE_ (0x00001FFF) + +#define RFE_CTL (0x0B0) +#define RFE_CTL_IGMP_COE_ (0x00004000) +#define RFE_CTL_ICMP_COE_ (0x00002000) +#define RFE_CTL_TCPUDP_COE_ (0x00001000) +#define RFE_CTL_IP_COE_ (0x00000800) +#define RFE_CTL_BCAST_EN_ (0x00000400) +#define RFE_CTL_MCAST_EN_ (0x00000200) +#define RFE_CTL_UCAST_EN_ (0x00000100) +#define RFE_CTL_VLAN_STRIP_ (0x00000080) +#define RFE_CTL_DISCARD_UNTAGGED_ (0x00000040) +#define RFE_CTL_VLAN_FILTER_ (0x00000020) +#define RFE_CTL_SA_FILTER_ (0x00000010) +#define RFE_CTL_MCAST_HASH_ (0x00000008) +#define RFE_CTL_DA_HASH_ (0x00000004) +#define RFE_CTL_DA_PERFECT_ (0x00000002) +#define RFE_CTL_RST_ (0x00000001) + +#define VLAN_TYPE (0x0B4) +#define VLAN_TYPE_MASK_ (0x0000FFFF) + +#define FCT_RX_CTL (0x0C0) +#define FCT_RX_CTL_EN_ (0x80000000) +#define FCT_RX_CTL_RST_ (0x40000000) +#define FCT_RX_CTL_SBF_ (0x02000000) +#define FCT_RX_CTL_OVFL_ (0x01000000) +#define FCT_RX_CTL_DROP_ (0x00800000) +#define FCT_RX_CTL_NOT_EMPTY_ (0x00400000) +#define FCT_RX_CTL_EMPTY_ (0x00200000) +#define FCT_RX_CTL_DIS_ (0x00100000) +#define FCT_RX_CTL_USED_MASK_ (0x0000FFFF) + +#define FCT_TX_CTL (0x0C4) +#define FCT_TX_CTL_EN_ (0x80000000) +#define FCT_TX_CTL_RST_ (0x40000000) +#define FCT_TX_CTL_NOT_EMPTY_ (0x00400000) +#define FCT_TX_CTL_EMPTY_ (0x00200000) +#define FCT_TX_CTL_DIS_ (0x00100000) +#define FCT_TX_CTL_USED_MASK_ (0x0000FFFF) + +#define FCT_RX_FIFO_END (0x0C8) +#define FCT_RX_FIFO_END_MASK_ (0x0000007F) + +#define FCT_TX_FIFO_END (0x0CC) +#define FCT_TX_FIFO_END_MASK_ (0x0000003F) + +#define FCT_FLOW (0x0D0) +#define FCT_FLOW_OFF_MASK_ (0x00007F00) +#define FCT_FLOW_ON_MASK_ (0x0000007F) + +#define RX_DP_STOR (0x0D4) +#define RX_DP_STORE_TOT_RXUSED_MASK_ (0xFFFF0000) +#define RX_DP_STORE_UTX_RXUSED_MASK_ (0x0000FFFF) + +#define TX_DP_STOR (0x0D8) +#define TX_DP_STORE_TOT_TXUSED_MASK_ (0xFFFF0000) +#define TX_DP_STORE_URX_TXUSED_MASK_ (0x0000FFFF) + +#define LTM_BELT_IDLE0 (0x0E0) +#define LTM_BELT_IDLE0_IDLE1000_ (0x0FFF0000) +#define LTM_BELT_IDLE0_IDLE100_ (0x00000FFF) + +#define LTM_BELT_IDLE1 (0x0E4) +#define LTM_BELT_IDLE1_IDLE10_ (0x00000FFF) + +#define LTM_BELT_ACT0 (0x0E8) +#define LTM_BELT_ACT0_ACT1000_ (0x0FFF0000) +#define LTM_BELT_ACT0_ACT100_ (0x00000FFF) + +#define LTM_BELT_ACT1 (0x0EC) +#define LTM_BELT_ACT1_ACT10_ (0x00000FFF) + +#define LTM_INACTIVE0 (0x0F0) +#define LTM_INACTIVE0_TIMER1000_ (0xFFFF0000) +#define LTM_INACTIVE0_TIMER100_ (0x0000FFFF) + +#define LTM_INACTIVE1 (0x0F4) +#define LTM_INACTIVE1_TIMER10_ (0x0000FFFF) + +#define MAC_CR (0x100) +#define MAC_CR_GMII_EN_ (0x00080000) +#define MAC_CR_EEE_TX_CLK_STOP_EN_ (0x00040000) +#define MAC_CR_EEE_EN_ (0x00020000) +#define MAC_CR_EEE_TLAR_EN_ (0x00010000) +#define MAC_CR_ADP_ (0x00002000) +#define MAC_CR_AUTO_DUPLEX_ (0x00001000) +#define MAC_CR_AUTO_SPEED_ (0x00000800) +#define MAC_CR_LOOPBACK_ (0x00000400) +#define MAC_CR_BOLMT_MASK_ (0x000000C0) +#define MAC_CR_FULL_DUPLEX_ (0x00000008) +#define MAC_CR_SPEED_MASK_ (0x00000006) +#define MAC_CR_SPEED_1000_ (0x00000004) +#define MAC_CR_SPEED_100_ (0x00000002) +#define MAC_CR_SPEED_10_ (0x00000000) +#define MAC_CR_RST_ (0x00000001) + +#define MAC_RX (0x104) +#define MAC_RX_MAX_SIZE_SHIFT_ (16) +#define MAC_RX_MAX_SIZE_MASK_ (0x3FFF0000) +#define MAC_RX_FCS_STRIP_ (0x00000010) +#define MAC_RX_VLAN_FSE_ (0x00000004) +#define MAC_RX_RXD_ (0x00000002) +#define MAC_RX_RXEN_ (0x00000001) + +#define MAC_TX (0x108) +#define MAC_TX_BAD_FCS_ (0x00000004) +#define MAC_TX_TXD_ (0x00000002) +#define MAC_TX_TXEN_ (0x00000001) + +#define FLOW (0x10C) +#define FLOW_CR_FORCE_FC_ (0x80000000) +#define FLOW_CR_TX_FCEN_ (0x40000000) +#define FLOW_CR_RX_FCEN_ (0x20000000) +#define FLOW_CR_FPF_ (0x10000000) +#define FLOW_CR_FCPT_MASK_ (0x0000FFFF) + +#define RAND_SEED (0x110) +#define RAND_SEED_MASK_ (0x0000FFFF) + +#define ERR_STS (0x114) +#define ERR_STS_FERR_ (0x00000100) +#define ERR_STS_LERR_ (0x00000080) +#define ERR_STS_RFERR_ (0x00000040) +#define ERR_STS_ECERR_ (0x00000010) +#define ERR_STS_ALERR_ (0x00000008) +#define ERR_STS_URERR_ (0x00000004) + +#define RX_ADDRH (0x118) +#define RX_ADDRH_MASK_ (0x0000FFFF) + +#define RX_ADDRL (0x11C) +#define RX_ADDRL_MASK_ (0xFFFFFFFF) + +#define MII_ACC (0x120) +#define MII_ACC_PHY_ADDR_SHIFT_ (11) +#define MII_ACC_PHY_ADDR_MASK_ (0x0000F800) +#define MII_ACC_MIIRINDA_SHIFT_ (6) +#define MII_ACC_MIIRINDA_MASK_ (0x000007C0) +#define MII_ACC_MII_READ_ (0x00000000) +#define MII_ACC_MII_WRITE_ (0x00000002) +#define MII_ACC_MII_BUSY_ (0x00000001) + +#define MII_DATA (0x124) +#define MII_DATA_MASK_ (0x0000FFFF) + +#define MAC_RGMII_ID (0x128) +#define MAC_RGMII_ID_TXC_DELAY_EN_ (0x00000002) +#define MAC_RGMII_ID_RXC_DELAY_EN_ (0x00000001) + +#define EEE_TX_LPI_REQ_DLY (0x130) +#define EEE_TX_LPI_REQ_DLY_CNT_MASK_ (0xFFFFFFFF) + +#define EEE_TW_TX_SYS (0x134) +#define EEE_TW_TX_SYS_CNT1G_MASK_ (0xFFFF0000) +#define EEE_TW_TX_SYS_CNT100M_MASK_ (0x0000FFFF) + +#define EEE_TX_LPI_REM_DLY (0x138) +#define EEE_TX_LPI_REM_DLY_CNT_ (0x00FFFFFF) + +#define WUCSR (0x140) +#define WUCSR_TESTMODE_ (0x80000000) +#define WUCSR_RFE_WAKE_EN_ (0x00004000) +#define WUCSR_EEE_TX_WAKE_ (0x00002000) +#define WUCSR_EEE_TX_WAKE_EN_ (0x00001000) +#define WUCSR_EEE_RX_WAKE_ (0x00000800) +#define WUCSR_EEE_RX_WAKE_EN_ (0x00000400) +#define WUCSR_RFE_WAKE_FR_ (0x00000200) +#define WUCSR_STORE_WAKE_ (0x00000100) +#define WUCSR_PFDA_FR_ (0x00000080) +#define WUCSR_WUFR_ (0x00000040) +#define WUCSR_MPR_ (0x00000020) +#define WUCSR_BCST_FR_ (0x00000010) +#define WUCSR_PFDA_EN_ (0x00000008) +#define WUCSR_WAKE_EN_ (0x00000004) +#define WUCSR_MPEN_ (0x00000002) +#define WUCSR_BCST_EN_ (0x00000001) + +#define WK_SRC (0x144) +#define WK_SRC_GPIOX_INT_WK_SHIFT_ (20) +#define WK_SRC_GPIOX_INT_WK_MASK_ (0xFFF00000) +#define WK_SRC_IPV6_TCPSYN_RCD_WK_ (0x00010000) +#define WK_SRC_IPV4_TCPSYN_RCD_WK_ (0x00008000) +#define WK_SRC_EEE_TX_WK_ (0x00004000) +#define WK_SRC_EEE_RX_WK_ (0x00002000) +#define WK_SRC_GOOD_FR_WK_ (0x00001000) +#define WK_SRC_PFDA_FR_WK_ (0x00000800) +#define WK_SRC_MP_FR_WK_ (0x00000400) +#define WK_SRC_BCAST_FR_WK_ (0x00000200) +#define WK_SRC_WU_FR_WK_ (0x00000100) +#define WK_SRC_WUFF_MATCH_MASK_ (0x0000001F) + +#define WUF_CFG0 (0x150) +#define NUM_OF_WUF_CFG (32) +#define WUF_CFG_BEGIN (WUF_CFG0) +#define WUF_CFG(index) (WUF_CFG_BEGIN + (4 * (index))) +#define WUF_CFGX_EN_ (0x80000000) +#define WUF_CFGX_TYPE_MASK_ (0x03000000) +#define WUF_CFGX_TYPE_MCAST_ (0x02000000) +#define WUF_CFGX_TYPE_ALL_ (0x01000000) +#define WUF_CFGX_TYPE_UCAST_ (0x00000000) +#define WUF_CFGX_OFFSET_SHIFT_ (16) +#define WUF_CFGX_OFFSET_MASK_ (0x00FF0000) +#define WUF_CFGX_CRC16_MASK_ (0x0000FFFF) + +#define WUF_MASK0_0 (0x200) +#define WUF_MASK0_1 (0x204) +#define WUF_MASK0_2 (0x208) +#define WUF_MASK0_3 (0x20C) +#define NUM_OF_WUF_MASK (32) +#define WUF_MASK0_BEGIN (WUF_MASK0_0) +#define WUF_MASK1_BEGIN (WUF_MASK0_1) +#define WUF_MASK2_BEGIN (WUF_MASK0_2) +#define WUF_MASK3_BEGIN (WUF_MASK0_3) +#define WUF_MASK0(index) (WUF_MASK0_BEGIN + (0x10 * (index))) +#define WUF_MASK1(index) (WUF_MASK1_BEGIN + (0x10 * (index))) +#define WUF_MASK2(index) (WUF_MASK2_BEGIN + (0x10 * (index))) +#define WUF_MASK3(index) (WUF_MASK3_BEGIN + (0x10 * (index))) + +#define MAF_BASE (0x400) +#define MAF_HIX (0x00) +#define MAF_LOX (0x04) +#define NUM_OF_MAF (33) +#define MAF_HI_BEGIN (MAF_BASE + MAF_HIX) +#define MAF_LO_BEGIN (MAF_BASE + MAF_LOX) +#define MAF_HI(index) (MAF_BASE + (8 * (index)) + (MAF_HIX)) +#define MAF_LO(index) (MAF_BASE + (8 * (index)) + (MAF_LOX)) +#define MAF_HI_VALID_ (0x80000000) +#define MAF_HI_TYPE_MASK_ (0x40000000) +#define MAF_HI_TYPE_SRC_ (0x40000000) +#define MAF_HI_TYPE_DST_ (0x00000000) +#define MAF_HI_ADDR_MASK (0x0000FFFF) +#define MAF_LO_ADDR_MASK (0xFFFFFFFF) + +#define WUCSR2 (0x600) +#define WUCSR2_CSUM_DISABLE_ (0x80000000) +#define WUCSR2_NA_SA_SEL_ (0x00000100) +#define WUCSR2_NS_RCD_ (0x00000080) +#define WUCSR2_ARP_RCD_ (0x00000040) +#define WUCSR2_IPV6_TCPSYN_RCD_ (0x00000020) +#define WUCSR2_IPV4_TCPSYN_RCD_ (0x00000010) +#define WUCSR2_NS_OFFLOAD_EN_ (0x00000008) +#define WUCSR2_ARP_OFFLOAD_EN_ (0x00000004) +#define WUCSR2_IPV6_TCPSYN_WAKE_EN_ (0x00000002) +#define WUCSR2_IPV4_TCPSYN_WAKE_EN_ (0x00000001) + +#define NS1_IPV6_ADDR_DEST0 (0x610) +#define NS1_IPV6_ADDR_DEST1 (0x614) +#define NS1_IPV6_ADDR_DEST2 (0x618) +#define NS1_IPV6_ADDR_DEST3 (0x61C) + +#define NS1_IPV6_ADDR_SRC0 (0x620) +#define NS1_IPV6_ADDR_SRC1 (0x624) +#define NS1_IPV6_ADDR_SRC2 (0x628) +#define NS1_IPV6_ADDR_SRC3 (0x62C) + +#define NS1_ICMPV6_ADDR0_0 (0x630) +#define NS1_ICMPV6_ADDR0_1 (0x634) +#define NS1_ICMPV6_ADDR0_2 (0x638) +#define NS1_ICMPV6_ADDR0_3 (0x63C) + +#define NS1_ICMPV6_ADDR1_0 (0x640) +#define NS1_ICMPV6_ADDR1_1 (0x644) +#define NS1_ICMPV6_ADDR1_2 (0x648) +#define NS1_ICMPV6_ADDR1_3 (0x64C) + +#define NS2_IPV6_ADDR_DEST0 (0x650) +#define NS2_IPV6_ADDR_DEST1 (0x654) +#define NS2_IPV6_ADDR_DEST2 (0x658) +#define NS2_IPV6_ADDR_DEST3 (0x65C) + +#define NS2_IPV6_ADDR_SRC0 (0x660) +#define NS2_IPV6_ADDR_SRC1 (0x664) +#define NS2_IPV6_ADDR_SRC2 (0x668) +#define NS2_IPV6_ADDR_SRC3 (0x66C) + +#define NS2_ICMPV6_ADDR0_0 (0x670) +#define NS2_ICMPV6_ADDR0_1 (0x674) +#define NS2_ICMPV6_ADDR0_2 (0x678) +#define NS2_ICMPV6_ADDR0_3 (0x67C) + +#define NS2_ICMPV6_ADDR1_0 (0x680) +#define NS2_ICMPV6_ADDR1_1 (0x684) +#define NS2_ICMPV6_ADDR1_2 (0x688) +#define NS2_ICMPV6_ADDR1_3 (0x68C) + +#define SYN_IPV4_ADDR_SRC (0x690) +#define SYN_IPV4_ADDR_DEST (0x694) +#define SYN_IPV4_TCP_PORTS (0x698) +#define SYN_IPV4_TCP_PORTS_IPV4_DEST_PORT_SHIFT_ (16) +#define SYN_IPV4_TCP_PORTS_IPV4_DEST_PORT_MASK_ (0xFFFF0000) +#define SYN_IPV4_TCP_PORTS_IPV4_SRC_PORT_MASK_ (0x0000FFFF) + +#define SYN_IPV6_ADDR_SRC0 (0x69C) +#define SYN_IPV6_ADDR_SRC1 (0x6A0) +#define SYN_IPV6_ADDR_SRC2 (0x6A4) +#define SYN_IPV6_ADDR_SRC3 (0x6A8) + +#define SYN_IPV6_ADDR_DEST0 (0x6AC) +#define SYN_IPV6_ADDR_DEST1 (0x6B0) +#define SYN_IPV6_ADDR_DEST2 (0x6B4) +#define SYN_IPV6_ADDR_DEST3 (0x6B8) + +#define SYN_IPV6_TCP_PORTS (0x6BC) +#define SYN_IPV6_TCP_PORTS_IPV6_DEST_PORT_SHIFT_ (16) +#define SYN_IPV6_TCP_PORTS_IPV6_DEST_PORT_MASK_ (0xFFFF0000) +#define SYN_IPV6_TCP_PORTS_IPV6_SRC_PORT_MASK_ (0x0000FFFF) + +#define ARP_SPA (0x6C0) +#define ARP_TPA (0x6C4) + +#define PHY_DEV_ID (0x700) +#define PHY_DEV_ID_REV_SHIFT_ (28) +#define PHY_DEV_ID_REV_SHIFT_ (28) +#define PHY_DEV_ID_REV_MASK_ (0xF0000000) +#define PHY_DEV_ID_MODEL_SHIFT_ (22) +#define PHY_DEV_ID_MODEL_MASK_ (0x0FC00000) +#define PHY_DEV_ID_OUI_MASK_ (0x003FFFFF) + +#define OTP_BASE_ADDR (0x00001000) +#define OTP_ADDR_RANGE_ (0x1FF) + +#define OTP_PWR_DN (OTP_BASE_ADDR + 4 * 0x00) +#define OTP_PWR_DN_PWRDN_N_ (0x01) + +#define OTP_ADDR1 (OTP_BASE_ADDR + 4 * 0x01) +#define OTP_ADDR1_15_11 (0x1F) + +#define OTP_ADDR2 (OTP_BASE_ADDR + 4 * 0x02) +#define OTP_ADDR2_10_3 (0xFF) + +#define OTP_ADDR3 (OTP_BASE_ADDR + 4 * 0x03) +#define OTP_ADDR3_2_0 (0x03) + +#define OTP_PRGM_DATA (OTP_BASE_ADDR + 4 * 0x04) + +#define OTP_PRGM_MODE (OTP_BASE_ADDR + 4 * 0x05) +#define OTP_PRGM_MODE_BYTE_ (0x01) + +#define OTP_RD_DATA (OTP_BASE_ADDR + 4 * 0x06) + +#define OTP_FUNC_CMD (OTP_BASE_ADDR + 4 * 0x08) +#define OTP_FUNC_CMD_RESET_ (0x04) +#define OTP_FUNC_CMD_PROGRAM_ (0x02) +#define OTP_FUNC_CMD_READ_ (0x01) + +#define OTP_TST_CMD (OTP_BASE_ADDR + 4 * 0x09) +#define OTP_TST_CMD_TEST_DEC_SEL_ (0x10) +#define OTP_TST_CMD_PRGVRFY_ (0x08) +#define OTP_TST_CMD_WRTEST_ (0x04) +#define OTP_TST_CMD_TESTDEC_ (0x02) +#define OTP_TST_CMD_BLANKCHECK_ (0x01) + +#define OTP_CMD_GO (OTP_BASE_ADDR + 4 * 0x0A) +#define OTP_CMD_GO_GO_ (0x01) + +#define OTP_PASS_FAIL (OTP_BASE_ADDR + 4 * 0x0B) +#define OTP_PASS_FAIL_PASS_ (0x02) +#define OTP_PASS_FAIL_FAIL_ (0x01) + +#define OTP_STATUS (OTP_BASE_ADDR + 4 * 0x0C) +#define OTP_STATUS_OTP_LOCK_ (0x10) +#define OTP_STATUS_WEB_ (0x08) +#define OTP_STATUS_PGMEN (0x04) +#define OTP_STATUS_CPUMPEN_ (0x02) +#define OTP_STATUS_BUSY_ (0x01) + +#define OTP_MAX_PRG (OTP_BASE_ADDR + 4 * 0x0D) +#define OTP_MAX_PRG_MAX_PROG (0x1F) + +#define OTP_INTR_STATUS (OTP_BASE_ADDR + 4 * 0x10) +#define OTP_INTR_STATUS_READY_ (0x01) + +#define OTP_INTR_MASK (OTP_BASE_ADDR + 4 * 0x11) +#define OTP_INTR_MASK_READY_ (0x01) + +#define OTP_RSTB_PW1 (OTP_BASE_ADDR + 4 * 0x14) +#define OTP_RSTB_PW2 (OTP_BASE_ADDR + 4 * 0x15) +#define OTP_PGM_PW1 (OTP_BASE_ADDR + 4 * 0x18) +#define OTP_PGM_PW2 (OTP_BASE_ADDR + 4 * 0x19) +#define OTP_READ_PW1 (OTP_BASE_ADDR + 4 * 0x1C) +#define OTP_READ_PW2 (OTP_BASE_ADDR + 4 * 0x1D) +#define OTP_TCRST (OTP_BASE_ADDR + 4 * 0x20) +#define OTP_RSRD (OTP_BASE_ADDR + 4 * 0x21) +#define OTP_TREADEN_VAL (OTP_BASE_ADDR + 4 * 0x22) +#define OTP_TDLES_VAL (OTP_BASE_ADDR + 4 * 0x23) +#define OTP_TWWL_VAL (OTP_BASE_ADDR + 4 * 0x24) +#define OTP_TDLEH_VAL (OTP_BASE_ADDR + 4 * 0x25) +#define OTP_TWPED_VAL (OTP_BASE_ADDR + 4 * 0x26) +#define OTP_TPES_VAL (OTP_BASE_ADDR + 4 * 0x27) +#define OTP_TCPS_VAL (OTP_BASE_ADDR + 4 * 0x28) +#define OTP_TCPH_VAL (OTP_BASE_ADDR + 4 * 0x29) +#define OTP_TPGMVFY_VAL (OTP_BASE_ADDR + 4 * 0x2A) +#define OTP_TPEH_VAL (OTP_BASE_ADDR + 4 * 0x2B) +#define OTP_TPGRST_VAL (OTP_BASE_ADDR + 4 * 0x2C) +#define OTP_TCLES_VAL (OTP_BASE_ADDR + 4 * 0x2D) +#define OTP_TCLEH_VAL (OTP_BASE_ADDR + 4 * 0x2E) +#define OTP_TRDES_VAL (OTP_BASE_ADDR + 4 * 0x2F) +#define OTP_TBCACC_VAL (OTP_BASE_ADDR + 4 * 0x30) +#define OTP_TAAC_VAL (OTP_BASE_ADDR + 4 * 0x31) +#define OTP_TACCT_VAL (OTP_BASE_ADDR + 4 * 0x32) +#define OTP_TRDEP_VAL (OTP_BASE_ADDR + 4 * 0x38) +#define OTP_TPGSV_VAL (OTP_BASE_ADDR + 4 * 0x39) +#define OTP_TPVSR_VAL (OTP_BASE_ADDR + 4 * 0x3A) +#define OTP_TPVHR_VAL (OTP_BASE_ADDR + 4 * 0x3B) +#define OTP_TPVSA_VAL (OTP_BASE_ADDR + 4 * 0x3C) + +#define PHY_ID1 (0x02) +#define PHY_ID2 (0x03) + +#define PHY_DEV_ID_OUI_VTSE (0x04001C) +#define PHY_DEV_ID_MODEL_VTSE_8502 (0x23) + +#define PHY_AUTONEG_ADV (0x04) +#define NWAY_AR_NEXT_PAGE_ (0x8000) +#define NWAY_AR_REMOTE_FAULT_ (0x2000) +#define NWAY_AR_ASM_DIR_ (0x0800) +#define NWAY_AR_PAUSE_ (0x0400) +#define NWAY_AR_100T4_CAPS_ (0x0200) +#define NWAY_AR_100TX_FD_CAPS_ (0x0100) +#define NWAY_AR_SELECTOR_FIELD_ (0x001F) +#define NWAY_AR_100TX_HD_CAPS_ (0x0080) +#define NWAY_AR_10T_FD_CAPS_ (0x0040) +#define NWAY_AR_10T_HD_CAPS_ (0x0020) +#define NWAY_AR_ALL_CAPS_ (NWAY_AR_10T_HD_CAPS_ | \ + NWAY_AR_10T_FD_CAPS_ | \ + NWAY_AR_100TX_HD_CAPS_ | \ + NWAY_AR_100TX_FD_CAPS_) +#define NWAY_AR_PAUSE_MASK (NWAY_AR_PAUSE_ | NWAY_AR_ASM_DIR_) + +#define PHY_LP_ABILITY (0x05) +#define NWAY_LPAR_NEXT_PAGE_ (0x8000) +#define NWAY_LPAR_ACKNOWLEDGE_ (0x4000) +#define NWAY_LPAR_REMOTE_FAULT_ (0x2000) +#define NWAY_LPAR_ASM_DIR_ (0x0800) +#define NWAY_LPAR_PAUSE_ (0x0400) +#define NWAY_LPAR_100T4_CAPS_ (0x0200) +#define NWAY_LPAR_100TX_FD_CAPS_ (0x0100) +#define NWAY_LPAR_100TX_HD_CAPS_ (0x0080) +#define NWAY_LPAR_10T_FD_CAPS_ (0x0040) +#define NWAY_LPAR_10T_HD_CAPS_ (0x0020) +#define NWAY_LPAR_SELECTOR_FIELD_ (0x001F) + +#define PHY_AUTONEG_EXP (0x06) +#define NWAY_ER_PAR_DETECT_FAULT_ (0x0010) +#define NWAY_ER_LP_NEXT_PAGE_CAPS_ (0x0008) +#define NWAY_ER_NEXT_PAGE_CAPS_ (0x0004) +#define NWAY_ER_PAGE_RXD_ (0x0002) +#define NWAY_ER_LP_NWAY_CAPS_ (0x0001) + +#define PHY_NEXT_PAGE_TX (0x07) +#define NPTX_NEXT_PAGE_ (0x8000) +#define NPTX_MSG_PAGE_ (0x2000) +#define NPTX_ACKNOWLDGE2_ (0x1000) +#define NPTX_TOGGLE_ (0x0800) +#define NPTX_MSG_CODE_FIELD_ (0x0001) + +#define PHY_LP_NEXT_PAGE (0x08) +#define LP_RNPR_NEXT_PAGE_ (0x8000) +#define LP_RNPR_ACKNOWLDGE_ (0x4000) +#define LP_RNPR_MSG_PAGE_ (0x2000) +#define LP_RNPR_ACKNOWLDGE2_ (0x1000) +#define LP_RNPR_TOGGLE_ (0x0800) +#define LP_RNPR_MSG_CODE_FIELD_ (0x0001) + +#define PHY_1000T_CTRL (0x09) +#define CR_1000T_TEST_MODE_4_ (0x8000) +#define CR_1000T_TEST_MODE_3_ (0x6000) +#define CR_1000T_TEST_MODE_2_ (0x4000) +#define CR_1000T_TEST_MODE_1_ (0x2000) +#define CR_1000T_MS_ENABLE_ (0x1000) +#define CR_1000T_MS_VALUE_ (0x0800) +#define CR_1000T_REPEATER_DTE_ (0x0400) +#define CR_1000T_FD_CAPS_ (0x0200) +#define CR_1000T_HD_CAPS_ (0x0100) +#define CR_1000T_ASYM_PAUSE_ (0x0080) +#define CR_1000T_TEST_MODE_NORMAL_ (0x0000) + +#define PHY_1000T_STATUS (0x0A) +#define SR_1000T_MS_CONFIG_FAULT_ (0x8000) +#define SR_1000T_MS_CONFIG_RES_ (0x4000) +#define SR_1000T_LOCAL_RX_STATUS_ (0x2000) +#define SR_1000T_REMOTE_RX_STATUS_ (0x1000) +#define SR_1000T_LP_FD_CAPS_ (0x0800) +#define SR_1000T_LP_HD_CAPS_ (0x0400) +#define SR_1000T_ASYM_PAUSE_DIR_ (0x0100) +#define SR_1000T_IDLE_ERROR_CNT_ (0x00FF) +#define SR_1000T_REMOTE_RX_STATUS_SHIFT 12 +#define SR_1000T_LOCAL_RX_STATUS_SHIFT 13 +#define SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT 5 +#define FFE_IDLE_ERR_COUNT_TIMEOUT_20 20 +#define FFE_IDLE_ERR_COUNT_TIMEOUT_100 100 + +#define PHY_EXT_STATUS (0x0F) +#define IEEE_ESR_1000X_FD_CAPS_ (0x8000) +#define IEEE_ESR_1000X_HD_CAPS_ (0x4000) +#define IEEE_ESR_1000T_FD_CAPS_ (0x2000) +#define IEEE_ESR_1000T_HD_CAPS_ (0x1000) +#define PHY_TX_POLARITY_MASK_ (0x0100) +#define PHY_TX_NORMAL_POLARITY_ (0x0000) +#define AUTO_POLARITY_DISABLE_ (0x0010) + +#define PHY_MMD_CTL (0x0D) +#define PHY_MMD_CTRL_OP_MASK_ (0xC000) +#define PHY_MMD_CTRL_OP_REG_ (0x0000) +#define PHY_MMD_CTRL_OP_DNI_ (0x4000) +#define PHY_MMD_CTRL_OP_DPIRW_ (0x8000) +#define PHY_MMD_CTRL_OP_DPIWO_ (0xC000) +#define PHY_MMD_CTRL_DEV_ADDR_MASK_ (0x001F) + +#define PHY_MMD_REG_DATA (0x0E) + +/* VTSE Vendor Specific registers */ +#define PHY_VTSE_BYPASS (0x12) +#define PHY_VTSE_BYPASS_DISABLE_PAIR_SWAP_ (0x0020) + +#define PHY_VTSE_INT_MASK (0x19) +#define PHY_VTSE_INT_MASK_MDINTPIN_EN_ (0x8000) +#define PHY_VTSE_INT_MASK_SPEED_CHANGE_ (0x4000) +#define PHY_VTSE_INT_MASK_LINK_CHANGE_ (0x2000) +#define PHY_VTSE_INT_MASK_FDX_CHANGE_ (0x1000) +#define PHY_VTSE_INT_MASK_AUTONEG_ERR_ (0x0800) +#define PHY_VTSE_INT_MASK_AUTONEG_DONE_ (0x0400) +#define PHY_VTSE_INT_MASK_POE_DETECT_ (0x0200) +#define PHY_VTSE_INT_MASK_SYMBOL_ERR_ (0x0100) +#define PHY_VTSE_INT_MASK_FAST_LINK_FAIL_ (0x0080) +#define PHY_VTSE_INT_MASK_WOL_EVENT_ (0x0040) +#define PHY_VTSE_INT_MASK_EXTENDED_INT_ (0x0020) +#define PHY_VTSE_INT_MASK_RESERVED_ (0x0010) +#define PHY_VTSE_INT_MASK_FALSE_CARRIER_ (0x0008) +#define PHY_VTSE_INT_MASK_LINK_SPEED_DS_ (0x0004) +#define PHY_VTSE_INT_MASK_MASTER_SLAVE_DONE_ (0x0002) +#define PHY_VTSE_INT_MASK_RX__ER_ (0x0001) + +#define PHY_VTSE_INT_STS (0x1A) +#define PHY_VTSE_INT_STS_INT_ACTIVE_ (0x8000) +#define PHY_VTSE_INT_STS_SPEED_CHANGE_ (0x4000) +#define PHY_VTSE_INT_STS_LINK_CHANGE_ (0x2000) +#define PHY_VTSE_INT_STS_FDX_CHANGE_ (0x1000) +#define PHY_VTSE_INT_STS_AUTONEG_ERR_ (0x0800) +#define PHY_VTSE_INT_STS_AUTONEG_DONE_ (0x0400) +#define PHY_VTSE_INT_STS_POE_DETECT_ (0x0200) +#define PHY_VTSE_INT_STS_SYMBOL_ERR_ (0x0100) +#define PHY_VTSE_INT_STS_FAST_LINK_FAIL_ (0x0080) +#define PHY_VTSE_INT_STS_WOL_EVENT_ (0x0040) +#define PHY_VTSE_INT_STS_EXTENDED_INT_ (0x0020) +#define PHY_VTSE_INT_STS_RESERVED_ (0x0010) +#define PHY_VTSE_INT_STS_FALSE_CARRIER_ (0x0008) +#define PHY_VTSE_INT_STS_LINK_SPEED_DS_ (0x0004) +#define PHY_VTSE_INT_STS_MASTER_SLAVE_DONE_ (0x0002) +#define PHY_VTSE_INT_STS_RX_ER_ (0x0001) + +/* VTSE PHY registers */ +#define PHY_EXT_GPIO_PAGE (0x1F) +#define PHY_EXT_GPIO_PAGE_SPACE_0 (0x0000) +#define PHY_EXT_GPIO_PAGE_SPACE_1 (0x0001) +#define PHY_EXT_GPIO_PAGE_SPACE_2 (0x0002) + +/* Extended Register Page 1 space */ +#define PHY_EXT_MODE_CTRL (0x13) +#define PHY_EXT_MODE_CTRL_MDIX_MASK_ (0x000C) +#define PHY_EXT_MODE_CTRL_AUTO_MDIX_ (0x0000) +#define PHY_EXT_MODE_CTRL_MDI_ (0x0008) +#define PHY_EXT_MODE_CTRL_MDI_X_ (0x000C) + +#define PHY_ANA_10BASE_T_HD 0x01 +#define PHY_ANA_10BASE_T_FD 0x02 +#define PHY_ANA_100BASE_TX_HD 0x04 +#define PHY_ANA_100BASE_TX_FD 0x08 +#define PHY_ANA_1000BASE_T_FD 0x10 +#define PHY_ANA_ALL_SUPPORTED_MEDIA (PHY_ANA_10BASE_T_HD | \ + PHY_ANA_10BASE_T_FD | \ + PHY_ANA_100BASE_TX_HD | \ + PHY_ANA_100BASE_TX_FD | \ + PHY_ANA_1000BASE_T_FD) +/* PHY MMD registers */ +#define PHY_MMD_DEV_3 3 + +#define PHY_EEE_PCS_STATUS (0x1) +#define PHY_EEE_PCS_STATUS_TX_LPI_RCVD_ ((WORD)0x0800) +#define PHY_EEE_PCS_STATUS_RX_LPI_RCVD_ ((WORD)0x0400) +#define PHY_EEE_PCS_STATUS_TX_LPI_IND_ ((WORD)0x0200) +#define PHY_EEE_PCS_STATUS_RX_LPI_IND_ ((WORD)0x0100) +#define PHY_EEE_PCS_STATUS_PCS_RCV_LNK_STS_ ((WORD)0x0004) + +#define PHY_EEE_CAPABILITIES (0x14) +#define PHY_EEE_CAPABILITIES_1000BT_EEE_ ((WORD)0x0004) +#define PHY_EEE_CAPABILITIES_100BT_EEE_ ((WORD)0x0002) + +#define PHY_MMD_DEV_7 7 + +#define PHY_EEE_ADVERTISEMENT (0x3C) +#define PHY_EEE_ADVERTISEMENT_1000BT_EEE_ ((WORD)0x0004) +#define PHY_EEE_ADVERTISEMENT_100BT_EEE_ ((WORD)0x0002) + +#define PHY_EEE_LP_ADVERTISEMENT (0x3D) +#define PHY_EEE_1000BT_EEE_CAPABLE_ ((WORD)0x0004) +#define PHY_EEE_100BT_EEE_CAPABLE_ ((WORD)0x0002) +#endif /* _LAN78XX_H */ -- 2.1.4