|  | /* | 
|  | * 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. | 
|  | * | 
|  | * 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 <http://www.gnu.org/licenses/>. | 
|  | */ | 
|  |  | 
|  | #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> | 
|  |  | 
|  | #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; | 
|  | }; | 
|  |  | 
|  | 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, int internal); | 
|  | int asix_get_phy_addr(struct usbnet *dev); | 
|  |  | 
|  | 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); | 
|  |  | 
|  | 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_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 */ |