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1/*
2 * ASIX AX8817X based USB 2.0 Ethernet Devices
933a27d3 3 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
2e55cc72 4 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
933a27d3 5 * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
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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
9cb00073 19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
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20 */
21
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22#ifndef _ASIX_H
23#define _ASIX_H
24
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25// #define DEBUG // error path messages, extra info
26// #define VERBOSE // more; success messages
27
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28#include <linux/module.h>
29#include <linux/kmod.h>
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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>
3692e94f 37#include <linux/usb/usbnet.h>
5a0e3ad6 38#include <linux/slab.h>
9dae3100 39#include <linux/if_vlan.h>
2e55cc72 40
f87ce5b2 41#define DRIVER_VERSION "22-Dec-2011"
83e1b918 42#define DRIVER_NAME "asix"
933a27d3 43
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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
d9fe64e5 49#define AX_CMD_STATMNGSTS_REG 0x09
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50#define AX_CMD_SET_HW_MII 0x0a
51#define AX_CMD_READ_EEPROM 0x0b
52#define AX_CMD_WRITE_EEPROM 0x0c
53#define AX_CMD_WRITE_ENABLE 0x0d
54#define AX_CMD_WRITE_DISABLE 0x0e
933a27d3 55#define AX_CMD_READ_RX_CTL 0x0f
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56#define AX_CMD_WRITE_RX_CTL 0x10
57#define AX_CMD_READ_IPG012 0x11
58#define AX_CMD_WRITE_IPG0 0x12
59#define AX_CMD_WRITE_IPG1 0x13
933a27d3 60#define AX_CMD_READ_NODE_ID 0x13
7f29a3ba 61#define AX_CMD_WRITE_NODE_ID 0x14
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62#define AX_CMD_WRITE_IPG2 0x14
63#define AX_CMD_WRITE_MULTI_FILTER 0x16
933a27d3 64#define AX88172_CMD_READ_NODE_ID 0x17
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65#define AX_CMD_READ_PHY_ID 0x19
66#define AX_CMD_READ_MEDIUM_STATUS 0x1a
67#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
68#define AX_CMD_READ_MONITOR_MODE 0x1c
69#define AX_CMD_WRITE_MONITOR_MODE 0x1d
933a27d3 70#define AX_CMD_READ_GPIOS 0x1e
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71#define AX_CMD_WRITE_GPIOS 0x1f
72#define AX_CMD_SW_RESET 0x20
73#define AX_CMD_SW_PHY_STATUS 0x21
74#define AX_CMD_SW_PHY_SELECT 0x22
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75#define AX_QCTCTRL 0x2A
76
77#define AX_CHIPCODE_MASK 0x70
78#define AX_AX88772_CHIPCODE 0x00
79#define AX_AX88772A_CHIPCODE 0x10
80#define AX_AX88772B_CHIPCODE 0x20
81#define AX_HOST_EN 0x01
82
83#define AX_PHYSEL_PSEL 0x01
84#define AX_PHYSEL_SSMII 0
85#define AX_PHYSEL_SSEN 0x10
2e55cc72 86
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87#define AX_PHY_SELECT_MASK (BIT(3) | BIT(2))
88#define AX_PHY_SELECT_INTERNAL 0
89#define AX_PHY_SELECT_EXTERNAL BIT(2)
90
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91#define AX_MONITOR_MODE 0x01
92#define AX_MONITOR_LINK 0x02
93#define AX_MONITOR_MAGIC 0x04
94#define AX_MONITOR_HSFS 0x10
95
96/* AX88172 Medium Status Register values */
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97#define AX88172_MEDIUM_FD 0x02
98#define AX88172_MEDIUM_TX 0x04
99#define AX88172_MEDIUM_FC 0x10
100#define AX88172_MEDIUM_DEFAULT \
101 ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
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102
103#define AX_MCAST_FILTER_SIZE 8
104#define AX_MAX_MCAST 64
105
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106#define AX_SWRESET_CLEAR 0x00
107#define AX_SWRESET_RR 0x01
108#define AX_SWRESET_RT 0x02
109#define AX_SWRESET_PRTE 0x04
110#define AX_SWRESET_PRL 0x08
111#define AX_SWRESET_BZ 0x10
112#define AX_SWRESET_IPRL 0x20
113#define AX_SWRESET_IPPD 0x40
114
115#define AX88772_IPG0_DEFAULT 0x15
116#define AX88772_IPG1_DEFAULT 0x0c
117#define AX88772_IPG2_DEFAULT 0x12
118
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119/* AX88772 & AX88178 Medium Mode Register */
120#define AX_MEDIUM_PF 0x0080
121#define AX_MEDIUM_JFE 0x0040
122#define AX_MEDIUM_TFC 0x0020
123#define AX_MEDIUM_RFC 0x0010
124#define AX_MEDIUM_ENCK 0x0008
125#define AX_MEDIUM_AC 0x0004
126#define AX_MEDIUM_FD 0x0002
127#define AX_MEDIUM_GM 0x0001
128#define AX_MEDIUM_SM 0x1000
129#define AX_MEDIUM_SBP 0x0800
130#define AX_MEDIUM_PS 0x0200
131#define AX_MEDIUM_RE 0x0100
132
133#define AX88178_MEDIUM_DEFAULT \
134 (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
135 AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
83e1b918 136 AX_MEDIUM_RE)
2e55cc72 137
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138#define AX88772_MEDIUM_DEFAULT \
139 (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
140 AX_MEDIUM_TFC | AX_MEDIUM_PS | \
83e1b918 141 AX_MEDIUM_AC | AX_MEDIUM_RE)
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142
143/* AX88772 & AX88178 RX_CTL values */
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144#define AX_RX_CTL_SO 0x0080
145#define AX_RX_CTL_AP 0x0020
146#define AX_RX_CTL_AM 0x0010
147#define AX_RX_CTL_AB 0x0008
148#define AX_RX_CTL_SEP 0x0004
149#define AX_RX_CTL_AMALL 0x0002
150#define AX_RX_CTL_PRO 0x0001
151#define AX_RX_CTL_MFB_2048 0x0000
152#define AX_RX_CTL_MFB_4096 0x0100
153#define AX_RX_CTL_MFB_8192 0x0200
154#define AX_RX_CTL_MFB_16384 0x0300
155
156#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
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157
158/* GPIO 0 .. 2 toggles */
159#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
160#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
161#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
162#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
163#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
164#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
165#define AX_GPIO_RESERVED 0x40 /* Reserved */
166#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
167
168#define AX_EEPROM_MAGIC 0xdeadbeef
ceb02c91 169#define AX_EEPROM_LEN 0x200
933a27d3 170
2e55cc72 171/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
48b1be6a 172struct asix_data {
2e55cc72 173 u8 multi_filter[AX_MCAST_FILTER_SIZE];
7f29a3ba 174 u8 mac_addr[ETH_ALEN];
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175 u8 phymode;
176 u8 ledmode;
ceb02c91 177 u8 res;
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178};
179
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180struct asix_rx_fixup_info {
181 struct sk_buff *ax_skb;
182 u32 header;
7b0378f5 183 u16 remaining;
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184 bool split_head;
185};
186
187struct asix_common_private {
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188 void (*resume)(struct usbnet *dev);
189 void (*suspend)(struct usbnet *dev);
190 u16 presvd_phy_advertise;
191 u16 presvd_phy_bmcr;
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192 struct asix_rx_fixup_info rx_fixup_info;
193};
194
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195extern const struct driver_info ax88172a_info;
196
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197/* ASIX specific flags */
198#define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */
199
607740bc 200int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
d9fe64e5 201 u16 size, void *data, int in_pm);
933a27d3 202
607740bc 203int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
d9fe64e5 204 u16 size, void *data, int in_pm);
933a27d3 205
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206void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
207 u16 index, u16 size, void *data);
933a27d3 208
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209int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
210 struct asix_rx_fixup_info *rx);
211int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
d0c8f338 212void asix_rx_fixup_common_free(struct asix_common_private *dp);
933a27d3 213
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214struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
215 gfp_t flags);
933a27d3 216
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217int asix_set_sw_mii(struct usbnet *dev, int in_pm);
218int asix_set_hw_mii(struct usbnet *dev, int in_pm);
933a27d3 219
16626b0c 220int asix_read_phy_addr(struct usbnet *dev, int internal);
607740bc 221int asix_get_phy_addr(struct usbnet *dev);
933a27d3 222
d9fe64e5 223int asix_sw_reset(struct usbnet *dev, u8 flags, int in_pm);
933a27d3 224
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225u16 asix_read_rx_ctl(struct usbnet *dev, int in_pm);
226int asix_write_rx_ctl(struct usbnet *dev, u16 mode, int in_pm);
933a27d3 227
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228u16 asix_read_medium_status(struct usbnet *dev, int in_pm);
229int asix_write_medium_mode(struct usbnet *dev, u16 mode, int in_pm);
2e55cc72 230
d9fe64e5 231int asix_write_gpio(struct usbnet *dev, u16 value, int sleep, int in_pm);
933a27d3 232
607740bc 233void asix_set_multicast(struct net_device *net);
933a27d3 234
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235int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
236void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
933a27d3 237
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238int asix_mdio_read_nopm(struct net_device *netdev, int phy_id, int loc);
239void asix_mdio_write_nopm(struct net_device *netdev, int phy_id, int loc,
240 int val);
241
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242void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
243int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
933a27d3 244
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245int asix_get_eeprom_len(struct net_device *net);
246int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
247 u8 *data);
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248int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
249 u8 *data);
2e55cc72 250
607740bc 251void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
2e55cc72 252
607740bc 253int asix_set_mac_address(struct net_device *net, void *p);
2e55cc72 254
607740bc 255#endif /* _ASIX_H */