tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * drivers/net/phy/smsc.c
3 *
4 * Driver for SMSC PHYs
5 *
6 * Author: Herbert Valerio Riedel
7 *
8 * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@smsc.com
16 *
17 */
18
19#include <linux/kernel.h>
20#include <linux/module.h>
21#include <linux/mii.h>
22#include <linux/ethtool.h>
23#include <linux/phy.h>
24#include <linux/netdevice.h>
25
26#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
27#define MII_LAN83C185_IM 30 /* Interrupt Mask */
28
29#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
30#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
31#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
32#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
33#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
34#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
35#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
36
37#define MII_LAN83C185_ISF_INT_ALL (0x0e)
38
39#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
40 (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
41
42
43static int smsc_phy_config_intr(struct phy_device *phydev)
44{
45 int rc = phy_write (phydev, MII_LAN83C185_IM,
46 ((PHY_INTERRUPT_ENABLED == phydev->interrupts)
47 ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
48 : 0));
49
50 return rc < 0 ? rc : 0;
51}
52
53static int smsc_phy_ack_interrupt(struct phy_device *phydev)
54{
55 int rc = phy_read (phydev, MII_LAN83C185_ISF);
56
57 return rc < 0 ? rc : 0;
58}
59
60static int smsc_phy_config_init(struct phy_device *phydev)
61{
62 return smsc_phy_ack_interrupt (phydev);
63}
64
65
66static struct phy_driver lan83c185_driver = {
67 .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
68 .phy_id_mask = 0xfffffff0,
69 .name = "SMSC LAN83C185",
70
71 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
72 | SUPPORTED_Asym_Pause),
73 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
74
75 /* basic functions */
76 .config_aneg = genphy_config_aneg,
77 .read_status = genphy_read_status,
78 .config_init = smsc_phy_config_init,
79
80 /* IRQ related */
81 .ack_interrupt = smsc_phy_ack_interrupt,
82 .config_intr = smsc_phy_config_intr,
83
84 .suspend = genphy_suspend,
85 .resume = genphy_resume,
86
87 .driver = { .owner = THIS_MODULE, }
88};
89
90static struct phy_driver lan8187_driver = {
91 .phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
92 .phy_id_mask = 0xfffffff0,
93 .name = "SMSC LAN8187",
94
95 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
96 | SUPPORTED_Asym_Pause),
97 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
98
99 /* basic functions */
100 .config_aneg = genphy_config_aneg,
101 .read_status = genphy_read_status,
102 .config_init = smsc_phy_config_init,
103
104 /* IRQ related */
105 .ack_interrupt = smsc_phy_ack_interrupt,
106 .config_intr = smsc_phy_config_intr,
107
108 .suspend = genphy_suspend,
109 .resume = genphy_resume,
110
111 .driver = { .owner = THIS_MODULE, }
112};
113
114static struct phy_driver lan8700_driver = {
115 .phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
116 .phy_id_mask = 0xfffffff0,
117 .name = "SMSC LAN8700",
118
119 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
120 | SUPPORTED_Asym_Pause),
121 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
122
123 /* basic functions */
124 .config_aneg = genphy_config_aneg,
125 .read_status = genphy_read_status,
126 .config_init = smsc_phy_config_init,
127
128 /* IRQ related */
129 .ack_interrupt = smsc_phy_ack_interrupt,
130 .config_intr = smsc_phy_config_intr,
131
132 .suspend = genphy_suspend,
133 .resume = genphy_resume,
134
135 .driver = { .owner = THIS_MODULE, }
136};
137
138static struct phy_driver lan911x_int_driver = {
139 .phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
140 .phy_id_mask = 0xfffffff0,
141 .name = "SMSC LAN911x Internal PHY",
142
143 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
144 | SUPPORTED_Asym_Pause),
145 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
146
147 /* basic functions */
148 .config_aneg = genphy_config_aneg,
149 .read_status = genphy_read_status,
150 .config_init = smsc_phy_config_init,
151
152 /* IRQ related */
153 .ack_interrupt = smsc_phy_ack_interrupt,
154 .config_intr = smsc_phy_config_intr,
155
156 .suspend = genphy_suspend,
157 .resume = genphy_resume,
158
159 .driver = { .owner = THIS_MODULE, }
160};
161
162static struct phy_driver lan8710_driver = {
163 .phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
164 .phy_id_mask = 0xfffffff0,
165 .name = "SMSC LAN8710/LAN8720",
166
167 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
168 | SUPPORTED_Asym_Pause),
169 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
170
171 /* basic functions */
172 .config_aneg = genphy_config_aneg,
173 .read_status = genphy_read_status,
174 .config_init = smsc_phy_config_init,
175
176 /* IRQ related */
177 .ack_interrupt = smsc_phy_ack_interrupt,
178 .config_intr = smsc_phy_config_intr,
179
180 .suspend = genphy_suspend,
181 .resume = genphy_resume,
182
183 .driver = { .owner = THIS_MODULE, }
184};
185
186static int __init smsc_init(void)
187{
188 int ret;
189
190 ret = phy_driver_register (&lan83c185_driver);
191 if (ret)
192 goto err1;
193
194 ret = phy_driver_register (&lan8187_driver);
195 if (ret)
196 goto err2;
197
198 ret = phy_driver_register (&lan8700_driver);
199 if (ret)
200 goto err3;
201
202 ret = phy_driver_register (&lan911x_int_driver);
203 if (ret)
204 goto err4;
205
206 ret = phy_driver_register (&lan8710_driver);
207 if (ret)
208 goto err5;
209
210 return 0;
211
212err5:
213 phy_driver_unregister (&lan911x_int_driver);
214err4:
215 phy_driver_unregister (&lan8700_driver);
216err3:
217 phy_driver_unregister (&lan8187_driver);
218err2:
219 phy_driver_unregister (&lan83c185_driver);
220err1:
221 return ret;
222}
223
224static void __exit smsc_exit(void)
225{
226 phy_driver_unregister (&lan8710_driver);
227 phy_driver_unregister (&lan911x_int_driver);
228 phy_driver_unregister (&lan8700_driver);
229 phy_driver_unregister (&lan8187_driver);
230 phy_driver_unregister (&lan83c185_driver);
231}
232
233MODULE_DESCRIPTION("SMSC PHY driver");
234MODULE_AUTHOR("Herbert Valerio Riedel");
235MODULE_LICENSE("GPL");
236
237module_init(smsc_init);
238module_exit(smsc_exit);