aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/usb/asix.h
blob: bdaa12d07a127fae11a6209986d0473c32644f27 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/*
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#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/init.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_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_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 size;
	bool split_head;
};

struct asix_common_private {
	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 asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
		   u16 size, void *data);

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);

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 asix_set_hw_mii(struct usbnet *dev);

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);

u16 asix_read_rx_ctl(struct usbnet *dev);
int asix_write_rx_ctl(struct usbnet *dev, u16 mode);

u16 asix_read_medium_status(struct usbnet *dev);
int asix_write_medium_mode(struct usbnet *dev, u16 mode);

int asix_write_gpio(struct usbnet *dev, u16 value, int sleep);

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);

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 */