xref: /linux/drivers/net/usb/asix.h (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
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 int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
171 		  u16 size, void *data);
172 
173 int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
174 		   u16 size, void *data);
175 
176 void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
177 			  u16 index, u16 size, void *data);
178 
179 int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb);
180 
181 struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
182 			      gfp_t flags);
183 
184 int asix_set_sw_mii(struct usbnet *dev);
185 int asix_set_hw_mii(struct usbnet *dev);
186 
187 int asix_read_phy_addr(struct usbnet *dev, int internal);
188 int asix_get_phy_addr(struct usbnet *dev);
189 
190 int asix_sw_reset(struct usbnet *dev, u8 flags);
191 
192 u16 asix_read_rx_ctl(struct usbnet *dev);
193 int asix_write_rx_ctl(struct usbnet *dev, u16 mode);
194 
195 u16 asix_read_medium_status(struct usbnet *dev);
196 int asix_write_medium_mode(struct usbnet *dev, u16 mode);
197 
198 int asix_write_gpio(struct usbnet *dev, u16 value, int sleep);
199 
200 void asix_set_multicast(struct net_device *net);
201 
202 int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
203 void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
204 
205 void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
206 int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
207 
208 int asix_get_eeprom_len(struct net_device *net);
209 int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
210 		    u8 *data);
211 int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
212 		    u8 *data);
213 
214 void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
215 
216 int asix_set_mac_address(struct net_device *net, void *p);
217 
218 #endif /* _ASIX_H */
219