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.
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.
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.
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/>.
25 // #define DEBUG // error path messages, extra info
26 // #define VERBOSE // more; success messages
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>
41 #define DRIVER_VERSION "22-Dec-2011"
42 #define DRIVER_NAME "asix"
44 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
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
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)
79 #define AX_MONITOR_MODE 0x01
80 #define AX_MONITOR_LINK 0x02
81 #define AX_MONITOR_MAGIC 0x04
82 #define AX_MONITOR_HSFS 0x10
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 )
91 #define AX_MCAST_FILTER_SIZE 8
92 #define AX_MAX_MCAST 64
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
103 #define AX88772_IPG0_DEFAULT 0x15
104 #define AX88772_IPG1_DEFAULT 0x0c
105 #define AX88772_IPG2_DEFAULT 0x12
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
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 | \
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)
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
144 #define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
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 */
156 #define AX_EEPROM_MAGIC 0xdeadbeef
157 #define AX_EEPROM_LEN 0x200
159 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
161 u8 multi_filter[AX_MCAST_FILTER_SIZE];
162 u8 mac_addr[ETH_ALEN];
168 struct asix_rx_fixup_info {
169 struct sk_buff *ax_skb;
175 struct asix_common_private {
176 struct asix_rx_fixup_info rx_fixup_info;
179 extern const struct driver_info ax88172a_info;
181 /* ASIX specific flags */
182 #define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */
184 int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
185 u16 size, void *data);
187 int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
188 u16 size, void *data);
190 void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
191 u16 index, u16 size, void *data);
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);
197 struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
200 int asix_set_sw_mii(struct usbnet *dev);
201 int asix_set_hw_mii(struct usbnet *dev);
203 int asix_read_phy_addr(struct usbnet *dev, int internal);
204 int asix_get_phy_addr(struct usbnet *dev);
206 int asix_sw_reset(struct usbnet *dev, u8 flags);
208 u16 asix_read_rx_ctl(struct usbnet *dev);
209 int asix_write_rx_ctl(struct usbnet *dev, u16 mode);
211 u16 asix_read_medium_status(struct usbnet *dev);
212 int asix_write_medium_mode(struct usbnet *dev, u16 mode);
214 int asix_write_gpio(struct usbnet *dev, u16 value, int sleep);
216 void asix_set_multicast(struct net_device *net);
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);
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);
224 int asix_get_eeprom_len(struct net_device *net);
225 int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
227 int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
230 void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
232 int asix_set_mac_address(struct net_device *net, void *p);