1 /* 2 * ASIX AX8817X based USB 2.0 Ethernet Devices 3 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com> 4 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> 5 * Copyright (C) 2006 James Painter <jamie.painter@iname.com> 6 * Copyright (c) 2002-2003 TiVo Inc. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 #ifndef _ASIX_H 24 #define _ASIX_H 25 26 // #define DEBUG // error path messages, extra info 27 // #define VERBOSE // more; success messages 28 29 #include <linux/module.h> 30 #include <linux/kmod.h> 31 #include <linux/init.h> 32 #include <linux/netdevice.h> 33 #include <linux/etherdevice.h> 34 #include <linux/ethtool.h> 35 #include <linux/workqueue.h> 36 #include <linux/mii.h> 37 #include <linux/usb.h> 38 #include <linux/crc32.h> 39 #include <linux/usb/usbnet.h> 40 #include <linux/slab.h> 41 #include <linux/if_vlan.h> 42 43 #define DRIVER_VERSION "22-Dec-2011" 44 #define DRIVER_NAME "asix" 45 46 /* ASIX AX8817X based USB 2.0 Ethernet Devices */ 47 48 #define AX_CMD_SET_SW_MII 0x06 49 #define AX_CMD_READ_MII_REG 0x07 50 #define AX_CMD_WRITE_MII_REG 0x08 51 #define AX_CMD_SET_HW_MII 0x0a 52 #define AX_CMD_READ_EEPROM 0x0b 53 #define AX_CMD_WRITE_EEPROM 0x0c 54 #define AX_CMD_WRITE_ENABLE 0x0d 55 #define AX_CMD_WRITE_DISABLE 0x0e 56 #define AX_CMD_READ_RX_CTL 0x0f 57 #define AX_CMD_WRITE_RX_CTL 0x10 58 #define AX_CMD_READ_IPG012 0x11 59 #define AX_CMD_WRITE_IPG0 0x12 60 #define AX_CMD_WRITE_IPG1 0x13 61 #define AX_CMD_READ_NODE_ID 0x13 62 #define AX_CMD_WRITE_NODE_ID 0x14 63 #define AX_CMD_WRITE_IPG2 0x14 64 #define AX_CMD_WRITE_MULTI_FILTER 0x16 65 #define AX88172_CMD_READ_NODE_ID 0x17 66 #define AX_CMD_READ_PHY_ID 0x19 67 #define AX_CMD_READ_MEDIUM_STATUS 0x1a 68 #define AX_CMD_WRITE_MEDIUM_MODE 0x1b 69 #define AX_CMD_READ_MONITOR_MODE 0x1c 70 #define AX_CMD_WRITE_MONITOR_MODE 0x1d 71 #define AX_CMD_READ_GPIOS 0x1e 72 #define AX_CMD_WRITE_GPIOS 0x1f 73 #define AX_CMD_SW_RESET 0x20 74 #define AX_CMD_SW_PHY_STATUS 0x21 75 #define AX_CMD_SW_PHY_SELECT 0x22 76 77 #define AX_PHY_SELECT_MASK (BIT(3) | BIT(2)) 78 #define AX_PHY_SELECT_INTERNAL 0 79 #define AX_PHY_SELECT_EXTERNAL BIT(2) 80 81 #define AX_MONITOR_MODE 0x01 82 #define AX_MONITOR_LINK 0x02 83 #define AX_MONITOR_MAGIC 0x04 84 #define AX_MONITOR_HSFS 0x10 85 86 /* AX88172 Medium Status Register values */ 87 #define AX88172_MEDIUM_FD 0x02 88 #define AX88172_MEDIUM_TX 0x04 89 #define AX88172_MEDIUM_FC 0x10 90 #define AX88172_MEDIUM_DEFAULT \ 91 ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC ) 92 93 #define AX_MCAST_FILTER_SIZE 8 94 #define AX_MAX_MCAST 64 95 96 #define AX_SWRESET_CLEAR 0x00 97 #define AX_SWRESET_RR 0x01 98 #define AX_SWRESET_RT 0x02 99 #define AX_SWRESET_PRTE 0x04 100 #define AX_SWRESET_PRL 0x08 101 #define AX_SWRESET_BZ 0x10 102 #define AX_SWRESET_IPRL 0x20 103 #define AX_SWRESET_IPPD 0x40 104 105 #define AX88772_IPG0_DEFAULT 0x15 106 #define AX88772_IPG1_DEFAULT 0x0c 107 #define AX88772_IPG2_DEFAULT 0x12 108 109 /* AX88772 & AX88178 Medium Mode Register */ 110 #define AX_MEDIUM_PF 0x0080 111 #define AX_MEDIUM_JFE 0x0040 112 #define AX_MEDIUM_TFC 0x0020 113 #define AX_MEDIUM_RFC 0x0010 114 #define AX_MEDIUM_ENCK 0x0008 115 #define AX_MEDIUM_AC 0x0004 116 #define AX_MEDIUM_FD 0x0002 117 #define AX_MEDIUM_GM 0x0001 118 #define AX_MEDIUM_SM 0x1000 119 #define AX_MEDIUM_SBP 0x0800 120 #define AX_MEDIUM_PS 0x0200 121 #define AX_MEDIUM_RE 0x0100 122 123 #define AX88178_MEDIUM_DEFAULT \ 124 (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \ 125 AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \ 126 AX_MEDIUM_RE) 127 128 #define AX88772_MEDIUM_DEFAULT \ 129 (AX_MEDIUM_FD | AX_MEDIUM_RFC | \ 130 AX_MEDIUM_TFC | AX_MEDIUM_PS | \ 131 AX_MEDIUM_AC | AX_MEDIUM_RE) 132 133 /* AX88772 & AX88178 RX_CTL values */ 134 #define AX_RX_CTL_SO 0x0080 135 #define AX_RX_CTL_AP 0x0020 136 #define AX_RX_CTL_AM 0x0010 137 #define AX_RX_CTL_AB 0x0008 138 #define AX_RX_CTL_SEP 0x0004 139 #define AX_RX_CTL_AMALL 0x0002 140 #define AX_RX_CTL_PRO 0x0001 141 #define AX_RX_CTL_MFB_2048 0x0000 142 #define AX_RX_CTL_MFB_4096 0x0100 143 #define AX_RX_CTL_MFB_8192 0x0200 144 #define AX_RX_CTL_MFB_16384 0x0300 145 146 #define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB) 147 148 /* GPIO 0 .. 2 toggles */ 149 #define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */ 150 #define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */ 151 #define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */ 152 #define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */ 153 #define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */ 154 #define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */ 155 #define AX_GPIO_RESERVED 0x40 /* Reserved */ 156 #define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */ 157 158 #define AX_EEPROM_MAGIC 0xdeadbeef 159 #define AX_EEPROM_LEN 0x200 160 161 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ 162 struct asix_data { 163 u8 multi_filter[AX_MCAST_FILTER_SIZE]; 164 u8 mac_addr[ETH_ALEN]; 165 u8 phymode; 166 u8 ledmode; 167 u8 res; 168 }; 169 170 struct asix_rx_fixup_info { 171 struct sk_buff *ax_skb; 172 u32 header; 173 u16 size; 174 bool split_head; 175 }; 176 177 struct asix_common_private { 178 struct asix_rx_fixup_info rx_fixup_info; 179 }; 180 181 extern const struct driver_info ax88172a_info; 182 183 /* ASIX specific flags */ 184 #define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */ 185 186 int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, 187 u16 size, void *data); 188 189 int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, 190 u16 size, void *data); 191 192 void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, 193 u16 index, u16 size, void *data); 194 195 int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, 196 struct asix_rx_fixup_info *rx); 197 int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb); 198 199 struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, 200 gfp_t flags); 201 202 int asix_set_sw_mii(struct usbnet *dev); 203 int asix_set_hw_mii(struct usbnet *dev); 204 205 int asix_read_phy_addr(struct usbnet *dev, int internal); 206 int asix_get_phy_addr(struct usbnet *dev); 207 208 int asix_sw_reset(struct usbnet *dev, u8 flags); 209 210 u16 asix_read_rx_ctl(struct usbnet *dev); 211 int asix_write_rx_ctl(struct usbnet *dev, u16 mode); 212 213 u16 asix_read_medium_status(struct usbnet *dev); 214 int asix_write_medium_mode(struct usbnet *dev, u16 mode); 215 216 int asix_write_gpio(struct usbnet *dev, u16 value, int sleep); 217 218 void asix_set_multicast(struct net_device *net); 219 220 int asix_mdio_read(struct net_device *netdev, int phy_id, int loc); 221 void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val); 222 223 void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo); 224 int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo); 225 226 int asix_get_eeprom_len(struct net_device *net); 227 int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, 228 u8 *data); 229 int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, 230 u8 *data); 231 232 void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info); 233 234 int asix_set_mac_address(struct net_device *net, void *p); 235 236 #endif /* _ASIX_H */ 237