drivers/net/usb/asix.h

   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, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #ifndef _ASIX_H
  23 #define _ASIX_H
  24
  25 // #define      DEBUG                   // error path messages, extra info
  26 // #define      VERBOSE                 // more; success messages
  27
  28 #include <linux/module.h>
  29 #include <linux/kmod.h>
  30 #include <linux/netdevice.h>
  31 #include <linux/etherdevice.h>
  32 #include <linux/ethtool.h>
  33 #include <linux/workqueue.h>
  34 #include <linux/mii.h>
  35 #include <linux/usb.h>
  36 #include <linux/crc32.h>
  37 #include <linux/usb/usbnet.h>
  38 #include <linux/slab.h>
  39 #include <linux/if_vlan.h>
  40
  41 #define DRIVER_VERSION "22-Dec-2011"
  42 #define DRIVER_NAME "asix"
  43
  44 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
  45
  46 #define AX_CMD_SET_SW_MII               0x06
  47 #define AX_CMD_READ_MII_REG             0x07
  48 #define AX_CMD_WRITE_MII_REG            0x08
  49 #define AX_CMD_SET_HW_MII               0x0a
  50 #define AX_CMD_READ_EEPROM              0x0b
  51 #define AX_CMD_WRITE_EEPROM             0x0c
  52 #define AX_CMD_WRITE_ENABLE             0x0d
  53 #define AX_CMD_WRITE_DISABLE            0x0e
  54 #define AX_CMD_READ_RX_CTL              0x0f
  55 #define AX_CMD_WRITE_RX_CTL             0x10
  56 #define AX_CMD_READ_IPG012              0x11
  57 #define AX_CMD_WRITE_IPG0               0x12
  58 #define AX_CMD_WRITE_IPG1               0x13
  59 #define AX_CMD_READ_NODE_ID             0x13
  60 #define AX_CMD_WRITE_NODE_ID            0x14
  61 #define AX_CMD_WRITE_IPG2               0x14
  62 #define AX_CMD_WRITE_MULTI_FILTER       0x16
  63 #define AX88172_CMD_READ_NODE_ID        0x17
  64 #define AX_CMD_READ_PHY_ID              0x19
  65 #define AX_CMD_READ_MEDIUM_STATUS       0x1a
  66 #define AX_CMD_WRITE_MEDIUM_MODE        0x1b
  67 #define AX_CMD_READ_MONITOR_MODE        0x1c
  68 #define AX_CMD_WRITE_MONITOR_MODE       0x1d
  69 #define AX_CMD_READ_GPIOS               0x1e
  70 #define AX_CMD_WRITE_GPIOS              0x1f
  71 #define AX_CMD_SW_RESET                 0x20
  72 #define AX_CMD_SW_PHY_STATUS            0x21
  73 #define AX_CMD_SW_PHY_SELECT            0x22
  74
  75 #define AX_PHY_SELECT_MASK              (BIT(3) | BIT(2))
  76 #define AX_PHY_SELECT_INTERNAL          0
  77 #define AX_PHY_SELECT_EXTERNAL          BIT(2)
  78
  79 #define AX_MONITOR_MODE                 0x01
  80 #define AX_MONITOR_LINK                 0x02
  81 #define AX_MONITOR_MAGIC                0x04
  82 #define AX_MONITOR_HSFS                 0x10
  83
  84 /* AX88172 Medium Status Register values */
  85 #define AX88172_MEDIUM_FD               0x02
  86 #define AX88172_MEDIUM_TX               0x04
  87 #define AX88172_MEDIUM_FC               0x10
  88 #define AX88172_MEDIUM_DEFAULT \
  89                 ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
  90
  91 #define AX_MCAST_FILTER_SIZE            8
  92 #define AX_MAX_MCAST                    64
  93
  94 #define AX_SWRESET_CLEAR                0x00
  95 #define AX_SWRESET_RR                   0x01
  96 #define AX_SWRESET_RT                   0x02
  97 #define AX_SWRESET_PRTE                 0x04
  98 #define AX_SWRESET_PRL                  0x08
  99 #define AX_SWRESET_BZ                   0x10
 100 #define AX_SWRESET_IPRL                 0x20
 101 #define AX_SWRESET_IPPD                 0x40
 102
 103 #define AX88772_IPG0_DEFAULT            0x15
 104 #define AX88772_IPG1_DEFAULT            0x0c
 105 #define AX88772_IPG2_DEFAULT            0x12
 106
 107 /* AX88772 & AX88178 Medium Mode Register */
 108 #define AX_MEDIUM_PF            0x0080
 109 #define AX_MEDIUM_JFE           0x0040
 110 #define AX_MEDIUM_TFC           0x0020
 111 #define AX_MEDIUM_RFC           0x0010
 112 #define AX_MEDIUM_ENCK          0x0008
 113 #define AX_MEDIUM_AC            0x0004
 114 #define AX_MEDIUM_FD            0x0002
 115 #define AX_MEDIUM_GM            0x0001
 116 #define AX_MEDIUM_SM            0x1000
 117 #define AX_MEDIUM_SBP           0x0800
 118 #define AX_MEDIUM_PS            0x0200
 119 #define AX_MEDIUM_RE            0x0100
 120
 121 #define AX88178_MEDIUM_DEFAULT  \
 122         (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
 123          AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
 124          AX_MEDIUM_RE)
 125
 126 #define AX88772_MEDIUM_DEFAULT  \
 127         (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
 128          AX_MEDIUM_TFC | AX_MEDIUM_PS | \
 129          AX_MEDIUM_AC | AX_MEDIUM_RE)
 130
 131 /* AX88772 & AX88178 RX_CTL values */
 132 #define AX_RX_CTL_SO            0x0080
 133 #define AX_RX_CTL_AP            0x0020
 134 #define AX_RX_CTL_AM            0x0010
 135 #define AX_RX_CTL_AB            0x0008
 136 #define AX_RX_CTL_SEP           0x0004
 137 #define AX_RX_CTL_AMALL         0x0002
 138 #define AX_RX_CTL_PRO           0x0001
 139 #define AX_RX_CTL_MFB_2048      0x0000
 140 #define AX_RX_CTL_MFB_4096      0x0100
 141 #define AX_RX_CTL_MFB_8192      0x0200
 142 #define AX_RX_CTL_MFB_16384     0x0300
 143
 144 #define AX_DEFAULT_RX_CTL       (AX_RX_CTL_SO | AX_RX_CTL_AB)
 145
 146 /* GPIO 0 .. 2 toggles */
 147 #define AX_GPIO_GPO0EN          0x01    /* GPIO0 Output enable */
 148 #define AX_GPIO_GPO_0           0x02    /* GPIO0 Output value */
 149 #define AX_GPIO_GPO1EN          0x04    /* GPIO1 Output enable */
 150 #define AX_GPIO_GPO_1           0x08    /* GPIO1 Output value */
 151 #define AX_GPIO_GPO2EN          0x10    /* GPIO2 Output enable */
 152 #define AX_GPIO_GPO_2           0x20    /* GPIO2 Output value */
 153 #define AX_GPIO_RESERVED        0x40    /* Reserved */
 154 #define AX_GPIO_RSE             0x80    /* Reload serial EEPROM */
 155
 156 #define AX_EEPROM_MAGIC         0xdeadbeef
 157 #define AX_EEPROM_LEN           0x200
 158
 159 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 160 struct asix_data {
 161         u8 multi_filter[AX_MCAST_FILTER_SIZE];
 162         u8 mac_addr[ETH_ALEN];
 163         u8 phymode;
 164         u8 ledmode;
 165         u8 res;
 166 };
 167
 168 struct asix_rx_fixup_info {
 169         struct sk_buff *ax_skb;
 170         u32 header;
 171         u16 remaining;
 172         bool split_head;
 173 };
 174
 175 struct asix_common_private {
 176         struct asix_rx_fixup_info rx_fixup_info;
 177 };
 178
 179 extern const struct driver_info ax88172a_info;
 180
 181 /* ASIX specific flags */
 182 #define FLAG_EEPROM_MAC         (1UL << 0)  /* init device MAC from eeprom */
 183
 184 int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 185                   u16 size, void *data);
 186
 187 int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 188                    u16 size, void *data);
 189
 190 void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
 191                           u16 index, u16 size, void *data);
 192
 193 int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
 194                            struct asix_rx_fixup_info *rx);
 195 int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
 196
 197 struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
 198                               gfp_t flags);
 199
 200 int asix_set_sw_mii(struct usbnet *dev);
 201 int asix_set_hw_mii(struct usbnet *dev);
 202
 203 int asix_read_phy_addr(struct usbnet *dev, int internal);
 204 int asix_get_phy_addr(struct usbnet *dev);
 205
 206 int asix_sw_reset(struct usbnet *dev, u8 flags);
 207
 208 u16 asix_read_rx_ctl(struct usbnet *dev);
 209 int asix_write_rx_ctl(struct usbnet *dev, u16 mode);
 210
 211 u16 asix_read_medium_status(struct usbnet *dev);
 212 int asix_write_medium_mode(struct usbnet *dev, u16 mode);
 213
 214 int asix_write_gpio(struct usbnet *dev, u16 value, int sleep);
 215
 216 void asix_set_multicast(struct net_device *net);
 217
 218 int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
 219 void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
 220
 221 void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
 222 int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
 223
 224 int asix_get_eeprom_len(struct net_device *net);
 225 int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
 226                     u8 *data);
 227 int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
 228                     u8 *data);
 229
 230 void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
 231
 232 int asix_set_mac_address(struct net_device *net, void *p);
 233
 234 #endif /* _ASIX_H */