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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* ASIX AX8817X based USB 2.0 Ethernet Devices
* Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
* Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
* Copyright (C) 2006 James Painter <jamie.painter@iname.com>
* Copyright (c) 2002-2003 TiVo Inc.
*/
#ifndef _ASIX_H
#define _ASIX_H
// #define DEBUG // error path messages, extra info
// #define VERBOSE // more; success messages
#include <linux/module.h>
#include <linux/kmod.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/crc32.h>
#include <linux/usb/usbnet.h>
#include <linux/slab.h>
#include <linux/if_vlan.h>
#include <linux/phy.h>
#include <net/selftests.h>
#define DRIVER_VERSION "22-Dec-2011"
#define DRIVER_NAME "asix"
/* ASIX AX8817X based USB 2.0 Ethernet Devices */
#define AX_CMD_SET_SW_MII 0x06
#define AX_CMD_READ_MII_REG 0x07
#define AX_CMD_WRITE_MII_REG 0x08
#define AX_CMD_STATMNGSTS_REG 0x09
#define AX_CMD_SET_HW_MII 0x0a
#define AX_CMD_READ_EEPROM 0x0b
#define AX_CMD_WRITE_EEPROM 0x0c
#define AX_CMD_WRITE_ENABLE 0x0d
#define AX_CMD_WRITE_DISABLE 0x0e
#define AX_CMD_READ_RX_CTL 0x0f
#define AX_CMD_WRITE_RX_CTL 0x10
#define AX_CMD_READ_IPG012 0x11
#define AX_CMD_WRITE_IPG0 0x12
#define AX_CMD_WRITE_IPG1 0x13
#define AX_CMD_READ_NODE_ID 0x13
#define AX_CMD_WRITE_NODE_ID 0x14
#define AX_CMD_WRITE_IPG2 0x14
#define AX_CMD_WRITE_MULTI_FILTER 0x16
#define AX88172_CMD_READ_NODE_ID 0x17
#define AX_CMD_READ_PHY_ID 0x19
#define AX_CMD_READ_MEDIUM_STATUS 0x1a
#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
#define AX_CMD_READ_MONITOR_MODE 0x1c
#define AX_CMD_WRITE_MONITOR_MODE 0x1d
#define AX_CMD_READ_GPIOS 0x1e
#define AX_CMD_WRITE_GPIOS 0x1f
#define AX_CMD_SW_RESET 0x20
#define AX_CMD_SW_PHY_STATUS 0x21
#define AX_CMD_SW_PHY_SELECT 0x22
#define AX_QCTCTRL 0x2A
#define AX_CHIPCODE_MASK 0x70
#define AX_AX88772_CHIPCODE 0x00
#define AX_AX88772A_CHIPCODE 0x10
#define AX_AX88772B_CHIPCODE 0x20
#define AX_HOST_EN 0x01
#define AX_PHYSEL_PSEL 0x01
#define AX_PHYSEL_SSMII 0
#define AX_PHYSEL_SSEN 0x10
#define AX_PHY_SELECT_MASK (BIT(3) | BIT(2))
#define AX_PHY_SELECT_INTERNAL 0
#define AX_PHY_SELECT_EXTERNAL BIT(2)
#define AX_MONITOR_MODE 0x01
#define AX_MONITOR_LINK 0x02
#define AX_MONITOR_MAGIC 0x04
#define AX_MONITOR_HSFS 0x10
/* AX88172 Medium Status Register values */
#define AX88172_MEDIUM_FD 0x02
#define AX88172_MEDIUM_TX 0x04
#define AX88172_MEDIUM_FC 0x10
#define AX88172_MEDIUM_DEFAULT \
( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
#define AX_MCAST_FILTER_SIZE 8
#define AX_MAX_MCAST 64
#define AX_SWRESET_CLEAR 0x00
#define AX_SWRESET_RR 0x01
#define AX_SWRESET_RT 0x02
#define AX_SWRESET_PRTE 0x04
#define AX_SWRESET_PRL 0x08
#define AX_SWRESET_BZ 0x10
#define AX_SWRESET_IPRL 0x20
#define AX_SWRESET_IPPD 0x40
#define AX88772_IPG0_DEFAULT 0x15
#define AX88772_IPG1_DEFAULT 0x0c
#define AX88772_IPG2_DEFAULT 0x12
/* AX88772 & AX88178 Medium Mode Register */
#define AX_MEDIUM_PF 0x0080
#define AX_MEDIUM_JFE 0x0040
#define AX_MEDIUM_TFC 0x0020
#define AX_MEDIUM_RFC 0x0010
#define AX_MEDIUM_ENCK 0x0008
#define AX_MEDIUM_AC 0x0004
#define AX_MEDIUM_FD 0x0002
#define AX_MEDIUM_GM 0x0001
#define AX_MEDIUM_SM 0x1000
#define AX_MEDIUM_SBP 0x0800
#define AX_MEDIUM_PS 0x0200
#define AX_MEDIUM_RE 0x0100
#define AX88178_MEDIUM_DEFAULT \
(AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
AX_MEDIUM_RE)
#define AX88772_MEDIUM_DEFAULT \
(AX_MEDIUM_FD | AX_MEDIUM_RFC | \
AX_MEDIUM_TFC | AX_MEDIUM_PS | \
AX_MEDIUM_AC | AX_MEDIUM_RE)
/* AX88772 & AX88178 RX_CTL values */
#define AX_RX_CTL_SO 0x0080
#define AX_RX_CTL_AP 0x0020
#define AX_RX_CTL_AM 0x0010
#define AX_RX_CTL_AB 0x0008
#define AX_RX_CTL_SEP 0x0004
#define AX_RX_CTL_AMALL 0x0002
#define AX_RX_CTL_PRO 0x0001
#define AX_RX_CTL_MFB_2048 0x0000
#define AX_RX_CTL_MFB_4096 0x0100
#define AX_RX_CTL_MFB_8192 0x0200
#define AX_RX_CTL_MFB_16384 0x0300
#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
/* GPIO 0 .. 2 toggles */
#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
#define AX_GPIO_RESERVED 0x40 /* Reserved */
#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
#define AX_EEPROM_MAGIC 0xdeadbeef
#define AX_EEPROM_LEN 0x200
/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
struct asix_data {
u8 multi_filter[AX_MCAST_FILTER_SIZE];
u8 mac_addr[ETH_ALEN];
u8 phymode;
u8 ledmode;
u8 res;
};
struct asix_rx_fixup_info {
struct sk_buff *ax_skb;
u32 header;
u16 remaining;
bool split_head;
};
struct asix_common_private {
void (*resume)(struct usbnet *dev);
void (*suspend)(struct usbnet *dev);
u16 presvd_phy_advertise;
u16 presvd_phy_bmcr;
struct asix_rx_fixup_info rx_fixup_info;
struct mii_bus *mdio;
struct phy_device *phydev;
u16 phy_addr;
char phy_name[20];
bool embd_phy;
};
extern const struct driver_info ax88172a_info;
/* ASIX specific flags */
#define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */
int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data, int in_pm);
int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data, int in_pm);
void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data);
int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
struct asix_rx_fixup_info *rx);
int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
void asix_rx_fixup_common_free(struct asix_common_private *dp);
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags);
int asix_set_sw_mii(struct usbnet *dev, int in_pm);
int asix_set_hw_mii(struct usbnet *dev, int in_pm);
int asix_read_phy_addr(struct usbnet *dev, bool internal);
int asix_sw_reset(struct usbnet *dev, u8 flags, int in_pm);
u16 asix_read_rx_ctl(struct usbnet *dev, int in_pm);
int asix_write_rx_ctl(struct usbnet *dev, u16 mode, int in_pm);
u16 asix_read_medium_status(struct usbnet *dev, int in_pm);
int asix_write_medium_mode(struct usbnet *dev, u16 mode, int in_pm);
void asix_adjust_link(struct net_device *netdev);
int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm);
void asix_set_multicast(struct net_device *net);
int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
int asix_mdio_bus_read(struct mii_bus *bus, int phy_id, int regnum);
int asix_mdio_bus_write(struct mii_bus *bus, int phy_id, int regnum, u16 val);
int asix_mdio_read_nopm(struct net_device *netdev, int phy_id, int loc);
void asix_mdio_write_nopm(struct net_device *netdev, int phy_id, int loc,
int val);
void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
int asix_get_eeprom_len(struct net_device *net);
int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
u8 *data);
int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
u8 *data);
void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
int asix_set_mac_address(struct net_device *net, void *p);
#endif /* _ASIX_H */
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