phy: Add LSI ET1011C PHY driver
[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         .driver         = { .owner = THIS_MODULE, }
85 };
86
87 static struct phy_driver lan8187_driver = {
88         .phy_id         = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
89         .phy_id_mask    = 0xfffffff0,
90         .name           = "SMSC LAN8187",
91
92         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
93                                 | SUPPORTED_Asym_Pause),
94         .flags          = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
95
96         /* basic functions */
97         .config_aneg    = genphy_config_aneg,
98         .read_status    = genphy_read_status,
99         .config_init    = smsc_phy_config_init,
100
101         /* IRQ related */
102         .ack_interrupt  = smsc_phy_ack_interrupt,
103         .config_intr    = smsc_phy_config_intr,
104
105         .driver         = { .owner = THIS_MODULE, }
106 };
107
108 static struct phy_driver lan8700_driver = {
109         .phy_id         = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
110         .phy_id_mask    = 0xfffffff0,
111         .name           = "SMSC LAN8700",
112
113         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
114                                 | SUPPORTED_Asym_Pause),
115         .flags          = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
116
117         /* basic functions */
118         .config_aneg    = genphy_config_aneg,
119         .read_status    = genphy_read_status,
120         .config_init    = smsc_phy_config_init,
121
122         /* IRQ related */
123         .ack_interrupt  = smsc_phy_ack_interrupt,
124         .config_intr    = smsc_phy_config_intr,
125
126         .driver         = { .owner = THIS_MODULE, }
127 };
128
129 static struct phy_driver lan911x_int_driver = {
130         .phy_id         = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
131         .phy_id_mask    = 0xfffffff0,
132         .name           = "SMSC LAN911x Internal PHY",
133
134         .features       = (PHY_BASIC_FEATURES | SUPPORTED_Pause
135                                 | SUPPORTED_Asym_Pause),
136         .flags          = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
137
138         /* basic functions */
139         .config_aneg    = genphy_config_aneg,
140         .read_status    = genphy_read_status,
141         .config_init    = smsc_phy_config_init,
142
143         /* IRQ related */
144         .ack_interrupt  = smsc_phy_ack_interrupt,
145         .config_intr    = smsc_phy_config_intr,
146
147         .driver         = { .owner = THIS_MODULE, }
148 };
149
150 static int __init smsc_init(void)
151 {
152         int ret;
153
154         ret = phy_driver_register (&lan83c185_driver);
155         if (ret)
156                 goto err1;
157
158         ret = phy_driver_register (&lan8187_driver);
159         if (ret)
160                 goto err2;
161
162         ret = phy_driver_register (&lan8700_driver);
163         if (ret)
164                 goto err3;
165
166         ret = phy_driver_register (&lan911x_int_driver);
167         if (ret)
168                 goto err4;
169
170         return 0;
171
172 err4:
173         phy_driver_unregister (&lan8700_driver);
174 err3:
175         phy_driver_unregister (&lan8187_driver);
176 err2:
177         phy_driver_unregister (&lan83c185_driver);
178 err1:
179         return ret;
180 }
181
182 static void __exit smsc_exit(void)
183 {
184         phy_driver_unregister (&lan911x_int_driver);
185         phy_driver_unregister (&lan8700_driver);
186         phy_driver_unregister (&lan8187_driver);
187         phy_driver_unregister (&lan83c185_driver);
188 }
189
190 MODULE_DESCRIPTION("SMSC PHY driver");
191 MODULE_AUTHOR("Herbert Valerio Riedel");
192 MODULE_LICENSE("GPL");
193
194 module_init(smsc_init);
195 module_exit(smsc_exit);