Merge branch 'sched-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...
[linux-2.6] / drivers / net / phy / smsc.c
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
43 static 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
53 static 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
60 static int smsc_phy_config_init(struct phy_device *phydev)
61 {
62         return smsc_phy_ack_interrupt (phydev);
63 }
64
65
66 static 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
90 static 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
114 static 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
138 static 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
162 static 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
186 static 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
212 err5:
213         phy_driver_unregister (&lan911x_int_driver);
214 err4:
215         phy_driver_unregister (&lan8700_driver);
216 err3:
217         phy_driver_unregister (&lan8187_driver);
218 err2:
219         phy_driver_unregister (&lan83c185_driver);
220 err1:
221         return ret;
222 }
223
224 static 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
233 MODULE_DESCRIPTION("SMSC PHY driver");
234 MODULE_AUTHOR("Herbert Valerio Riedel");
235 MODULE_LICENSE("GPL");
236
237 module_init(smsc_init);
238 module_exit(smsc_exit);